Merge pull request #136 from h4570/135-obj-get-texture-names-from-mtl-file-instead-of-material-name

Fix for obj loader and dynamic pipeline

.clang-format

@@ -0,0 +1,40 @@
+# Use the Google style in this project.
+BasedOnStyle: Google
+
+# Some folks prefer to write "int& foo" while others prefer "int &foo".  The
+# Google Style Guide only asks for consistency within a project, we chose
+# "int& foo" for this project:
+DerivePointerAlignment: false
+PointerAlignment: Left
+
+SortIncludes: false
+
+IncludeBlocks: Merge
+IncludeCategories:
+# Matches common headers first, but sorts them after project includes
+- Regex: '^\"google/cloud/internal/disable_deprecation_warnings.inc\"$'
+  Priority: -1
+- Regex: '^\"google/cloud/(internal/|grpc_utils/|testing_util/|[^/]+\.h)'
+  Priority: 1000
+- Regex: '^\"google/cloud/'  # project includes should sort first
+  Priority: 500
+- Regex: '^\"'
+  Priority: 1500
+- Regex: '^<grpc/'
+  Priority: 2000
+- Regex: '^<google/*'
+  Priority: 3000
+- Regex: '^<.*/.*'
+  Priority: 4000
+- Regex: '^<[^/]*>'
+  Priority: 5000
+
+# Format raw string literals with a `pb` or `proto` tag as proto.
+RawStringFormats:
+- Language: TextProto
+  Delimiters:
+  - 'pb'
+  - 'proto'
+  BasedOnStyle: Google
+
+CommentPragmas: '(@copydoc)'

.dockerignore

@@ -0,0 +1,5 @@
+*.elf
+.git/
+.vscode/
+docs/
+tools/

.gitattributes

@@ -0,0 +1,2 @@
+# Ignore all differences in line endings
+*        -crlf

.gitignore

@@ -1,37 +1,33 @@
-.vscode/
+# ---
-
+
-# ---
+# Prerequisites
-
+*.d
-# Prerequisites
+
-*.d
+# Compiled Object files
-
+*.slo
-# Compiled Object files
+*.lo
-*.slo
+*.o
-*.lo
+*.vsm
-*.o
+
-
+# Precompiled Headers
-# Precompiled Headers
+*.gch
-*.gch
+*.pch
-*.pch
+
-
+# Compiled Dynamic libraries
-# Compiled Dynamic libraries
+*.so
-*.so
+*.dylib
-*.dylib
+*.dll
-*.dll
+
-
+# Compiled Static libraries
-# Fortran module files
+*.lai
-*.mod
+*.la
-*.smod
+*.a
-
+*.lib
-# Compiled Static libraries
+
-*.lai
+# Executables
-*.la
+*.exe
-*.a
+*.out
-*.lib
+*.app
-
+*.erl
-# Executables
+*.elf
-*.exe
+*.irx
-*.out
-*.app
-*.erl
-*.elf

.vscode/.gitignore

@@ -0,0 +1,6 @@
+*.log
+
+# Configuration files
+/c_cpp_properties.json
+/tasks.json
+/settings.json

.vscode/configurations/windows-docker/c_cpp_properties.json

@@ -0,0 +1,41 @@
+{
+    "configurations": [
+        {
+            "name": "Docker PS2SDK",
+            "includePath": [
+                "${workspaceFolder}/**",
+                "C:/Users/YOUR-INTELLISENSE-PATH/ps2dev-intellisense/ps2sdk/common/include/**",
+                "C:/Users/YOUR-INTELLISENSE-PATH/ps2dev-intellisense/ps2sdk/ee/include/**",
+                "C:/Users/YOUR-INTELLISENSE-PATH/ps2dev-intellisense/ps2sdk/iop/include/**",
+                "C:/Users/YOUR-INTELLISENSE-PATH/ps2dev-intellisense/ps2sdk/ports/include/**",
+                "C:/Users/YOUR-INTELLISENSE-PATH/ps2dev-intellisense/ee/include/**",
+                "C:/Users/YOUR-INTELLISENSE-PATH/ps2dev-intellisense/ee/lib/gcc/mips64r5900el-ps2-elf/11.3.0/include/**",
+                "C:/Users/YOUR-INTELLISENSE-PATH/ps2dev-intellisense/ee/lib/gcc/mips64r5900el-ps2-elf/11.3.0/include-fixed/**",
+                "C:/Users/YOUR-INTELLISENSE-PATH/ps2dev-intellisense/ee/lib/gcc/mips64r5900el-ps2-elf/11.3.0/install-tools/include/**",
+                "C:/Users/YOUR-INTELLISENSE-PATH/ps2dev-intellisense/ee/lib/gcc/mips64r5900el-ps2-elf/11.3.0/plugin/include/**",
+                "C:/Users/YOUR-INTELLISENSE-PATH/ps2dev-intellisense/ee/mips64r5900el-ps2-elf/include/**",
+                "C:/Users/YOUR-INTELLISENSE-PATH/ps2dev-intellisense/ee/mips64r5900el-ps2-elf/sys-include/**",
+                "C:/Users/YOUR-INTELLISENSE-PATH/ps2dev-intellisense/gsKit/include/**",
+                "C:/Users/YOUR-INTELLISENSE-PATH/ps2dev-intellisense/iop/lib/gcc/mipsel-ps2-elf/11.3.0/include/**",
+                "C:/Users/YOUR-INTELLISENSE-PATH/ps2dev-intellisense/iop/lib/gcc/mipsel-ps2-elf/11.3.0/install-tools/include/**",
+                "C:/Users/YOUR-INTELLISENSE-PATH/ps2dev-intellisense/iop/lib/gcc/mipsel-ps2-elf/11.3.0/plugin/include/**",
+                "C:/Users/YOUR-INTELLISENSE-PATH/ps2dev-intellisense/iop/lib/gcc/mipsel-ps2-elf/11.3.0/include-fixed/**",
+                "C:/Users/YOUR-INTELLISENSE-PATH/ps2dev-intellisense/iop/lib/gcc/mipsel-ps2-irx/11.3.0/include/**",
+                "C:/Users/YOUR-INTELLISENSE-PATH/ps2dev-intellisense/iop/lib/gcc/mipsel-ps2-irx/11.3.0/install-tools/include/**",
+                "C:/Users/YOUR-INTELLISENSE-PATH/ps2dev-intellisense/iop/lib/gcc/mipsel-ps2-irx/11.3.0/plugin/include/**",
+                "C:/Users/YOUR-INTELLISENSE-PATH/ps2dev-intellisense/iop/lib/gcc/mipsel-ps2-irx/11.3.0/include-fixed/**"
+            ],
+            "defines": [
+                "_EE",
+                "_IOP",
+                "__SPU__",
+                "INTELLISENSE"
+            ],
+            "cppStandard": "c++20",
+            "compilerPath": "", // Should be empty
+            "intelliSenseMode": "linux-gcc-x86",
+            "configurationProvider": "ms-vscode.cpptools"
+        }
+    ],
+    "version": 4
+}

.vscode/configurations/windows-docker/settings.json

@@ -0,0 +1,14 @@
+{
+    "buildDirectory": "demo",
+    "C_Cpp.default.intelliSenseMode": "gcc-x86",
+    "files.associations": {
+        "*.vcl": "asm-collection",
+        "*.i": "asm-collection",
+        "*.vsm": "asm-collection",
+        "*.vclpp": "asm-collection",
+        "*.hpp": "cpp",
+        "*.cpp": "cpp",
+        "*.h": "c",
+        "*.c": "c"
+    }
+}

.vscode/configurations/windows-docker/tasks.json

@@ -0,0 +1,119 @@
+{
+    "version": "2.0.0",
+    "tasks": [
+        {
+            "label": "Build & run",
+            "dependsOrder": "sequence",
+            "dependsOn": [
+                "1. Copy source code to docker volume",
+                "2. Compile via docker container",
+                "3. Copy binaries to host",
+                "4. Run PCSX2"
+            ],
+            "group": {
+                "kind": "build",
+                "isDefault": true
+            }
+        },
+        {
+            "type": "shell",
+            "label": "1. Copy source code to docker volume",
+            "command": "docker exec -t tyra-compiler sh -c 'rsync -ac --delete --exclude \".git\" --exclude \"docs\" --exclude \".vscode\" --exclude \"tools\" --exclude \"obj\" --exclude \"bin\" /host/ /src/'"
+        },
+        {
+            "type": "shell",
+            "label": "2. Compile via docker container",
+            "command": "docker exec -t tyra-compiler sh -c 'cd ${config:buildDirectory} && make build-engine all'",
+            "problemMatcher": {
+                "base": "$gcc",
+                "fileLocation": [
+                    "autoDetect"
+                ]
+            }
+        },
+        {
+            "type": "shell",
+            "label": "3. Copy binaries to host",
+            "command": "docker exec -t tyra-compiler sh -c 'rsync -zac --include=\"*/\" --include=\"bin/**\" --exclude=\"*\" /src/ /host/'"
+        },
+        {
+            "type": "shell",
+            "label": "4. Run PCSX2",
+            "options": {
+                "cwd": "${config:buildDirectory}"
+            },
+            "command": "./run.ps1"
+        },
+        {
+            "type": "shell",
+            "label": "Convert WAV to ADPCM",
+            "dependsOn": [
+                "1. Copy source code to docker volume"
+            ],
+            "command": "docker exec -t tyra-compiler sh -c 'adpenc ${input:wav2adpcmSource} ${input:wav2adpcmTarget} && rsync -zac /src/${input:wav2adpcmTarget} /host/${input:wav2adpcmTarget}'"
+        },
+        {
+            "type": "shell",
+            "label": "Cleanup",
+            "command": "docker exec -t tyra-compiler sh -c 'rm -rf /src/*'"
+        },
+        {
+            "type": "shell",
+            "label": "Send to PS2",
+            "command": "docker exec -t tyra-compiler sh -c 'cd ${config:buildDirectory}/bin && killall -v ps2client || $true && ps2client -h ${input:ps2Ip} reset && ps2client -h ${input:ps2Ip} reset && ps2client -h ${input:ps2Ip} execee host:$(find . -maxdepth 1 -type f -name \"*.elf\")'"
+        },
+        {
+            "type": "shell",
+            "label": "Open PS2 output logger",
+            "command": "docker stop ps2-logs || $true && docker run -t --rm --name=ps2-logs -p ${input:local2Ip}:18194:18194/udp h4570/tyra sh -c 'ps2client -h ${input:ps2Ip} listen'",
+            "runOptions": {
+                "instanceLimit": 1
+            },
+            "presentation": {
+                "reveal": "always",
+                "panel": "new"
+            }
+        },
+        {
+            "type": "shell",
+            "label": "Start docker container",
+            "command": "docker compose up -d"
+        },
+        {
+            "type": "shell",
+            "label": "Stop docker container",
+            "command": "docker compose down"
+        },
+        {
+            "type": "shell",
+            "label": "[Debug] Copy obj directory to host",
+            "command": "docker exec -t tyra-compiler sh -c 'rsync -zac --include=\"*/\" --include=\"obj/**\" --exclude=\"*\" /src/ /host/'"
+        }
+    ],
+    "inputs": [
+        {
+            "id": "wav2adpcmSource",
+            "description": "Source file path (ex. ):",
+            "default": "demo/res/sound.wav",
+            "type": "promptString"
+        },
+        {
+            "id": "wav2adpcmTarget",
+            "description": "Target file path (ex. ):",
+            "default": "demo/res/sound.adpcm",
+            "type": "promptString"
+        },
+        {
+            "id": "ps2Ip",
+            "description": "PS2link ip address:",
+            "default": "192.168.1.200",
+            "type": "promptString"
+        },
+        {
+            "id": "local2Ip",
+            "description": "Local ip address:",
+            "default": "192.168.1.245",
+            "type": "promptString"
+        }
+    ]
+}

.vscode/extensions.json

@@ -0,0 +1,9 @@
+{
+    "recommendations": [
+        "ms-vscode.cpptools-extension-pack",
+        "ryzngard.vscode-header-source",
+        "maziac.asm-code-lens",
+        "dmnsgn.vscode-wavefront",
+        "spmeesseman.vscode-taskexplorer"
+    ]
+}

CHANGELOG.MD

@@ -1,117 +0,0 @@
-# Changelog
-All notable changes to this project will be documented in this file.
-
-The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
-and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
-
-## [1.31.2] - 2021-02-06
-
-### Added
-- Id to MeshFrame
-- Non textured rendering (RGBA only)
-
-### Changed
-- Moved color from mesh to mesh material.
-- OBJ Loader refactor
-- Logic of loadFrom()
-- Migrated to GCC9 (valid with latest PS2SDK)
-
-### Removed
-- Removed MeshId from TextureLink, TextureRepository
-
-## [1.29.1] - 2020-12-27
-### Added
-- Created libpacket2 in PS2SDK
-- Dolphin sample
-- 2D support (Sprite class)
-- Alpha blending (transparency)
-- PNG support
-- ADPCM support in audio class
-- AudioFinish event in audio class
-- BoundingBox class
-- A lot of useful funcs in Matrix class
-- Mock of file service
-- Array mode to draw() (highly optimized for small meshes)
-- VCLPP - Usage of VU1 Preprocessor
-
-### Changed
-- Project setup (makefile mostly)
-- Readme
-- Switched into libpacket2 in `vifsender` and `gifsender`
-- Timer class refactor
-- Engine base refactor
-- MeshTexture into Texture
-- Refactored floors sample
-- Refactored Audio class
-- Fixed Path 3 lighting
-- Refactored, optimized math classes (vector, matrix..)
-- Cleanup in camera base
-- Refactored Path 3 and Path 1 rendering
-- Synchronization functions (`renderer->waitForRender()`)
-- BMP class refactor
-- Dff Loader refactor
-- Optimized rendering data preparation
-
-### Removed
-- Ari sample
-- VU1 class
-
-## [1.1.0] - 2020-11-03
-### Added
-- A lot of useful functions to Mesh class
-- MeshFrame class
-- MeshMaterial class
-- MeshTexture class
-- TextureLink struct
-- Texture wrapping settings
-- TextureRepository class
-- PRINT_ERR()
-- Ari sample
-
-### Changed
-- Project setup (gitignore etc.)
-- Readme
-- DFF loader refactor
-- OBJ loader refactor
-- MD2 loader refactor
-- 3D data classes refactor (one interface for all)
-- Rendering refactor
-
-### Removed
-- MeshSpec class
-- Texture class
-- Md2Model class
-- ObjModel class
-- DffModel class
-
-## [1.0.0] - 2020-10-28
-### Added
-- Project setup (gitignore etc.)
-- License
-- Readme
-- BMP support
-- DFF support
-- MD2 support
-- OBJ support
-- Animation support
-- Engine base
-- AudioListener class
-- Rendering base
-- Path 1 renderer (VU1)
-- Path 3 renderer (GIF)
-- Math classes (matrix, vector, plane..)
-- Audio support (bg song only)
-- Camera base
-- Base lighting support (bugged) for Path 3
-- Pad support
-- EE Timer
-- Math class
-- String class
-- Mesh class with AABB
-- Makefile
-- Primitive floors sample
-
-[1.31.2]: https://github.com/h4570/tyra/compare/v1.29.1-alpha...v1.31.2-alpha
-[1.29.1]: https://github.com/h4570/tyra/compare/1.1.0...v1.29.1-alpha
-[1.1.0]: https://github.com/h4570/tyra/compare/1.0.0...1.1.0
-[1.0.0]: https://github.com/h4570/tyra/compare/1.0.0

Dockerfile

@@ -0,0 +1,67 @@
+# syntax=docker/dockerfile:1
+FROM ubuntu:20.04
+
+# Install necessary packages for PS2DEV, VCLPP and VCL.
+RUN apt-get update
+ARG DEBIAN_FRONTEND=noninteractive
+RUN apt-get install -y git make g++ texinfo bison flex gettext libgmp3-dev \
+    libmpfr-dev libmpc-dev gcc binutils cmake wget patch zlib1g-dev libgsl-dev \
+    unzip
+
+# Setup PS2DEV env
+ENV PS2DEV /usr/local/ps2dev
+RUN mkdir -p $PS2DEV
+RUN chown -R $USER: $PS2DEV
+ENV PS2SDK $PS2DEV/ps2sdk
+ENV GSKIT $PS2DEV/gsKit
+ENV PATH $PATH:${PS2DEV}/bin:${PS2DEV}/ee/bin:${PS2DEV}/iop/bin:${PS2DEV}/dvp/bin:${PS2SDK}/bin
+
+# Compile PS2DEV
+RUN mkdir -p /temp/ps2dev
+RUN git clone https://github.com/ps2dev/ps2dev.git /temp/ps2dev
+WORKDIR "/temp/ps2dev"
+RUN ./build-all.sh
+
+# Compile VCLPP
+RUN mkdir -p /temp/vclpp
+RUN git clone https://github.com/glampert/vclpp.git /temp/vclpp
+WORKDIR "/temp/vclpp"
+RUN make
+
+# Download VCL
+RUN mkdir -p /temp/vcl
+WORKDIR "/temp/vcl"
+RUN wget http://apgcglz.cluster028.hosting.ovh.net/tyra/vcl.zip
+RUN unzip vcl.zip
+
+# ------------------------------------------------------------------------------
+
+# Start from clean image
+FROM ubuntu:20.04
+
+# Set ENV variables
+ENV PS2DEV /usr/local/ps2dev
+ENV PS2SDK $PS2DEV/ps2sdk
+ENV PATH $PATH:${PS2DEV}/bin:${PS2DEV}/ee/bin:${PS2DEV}/iop/bin:${PS2DEV}/dvp/bin:${PS2SDK}/bin
+
+# Copy stuff from previous stage
+COPY --from=0 ${PS2DEV} ${PS2DEV}
+COPY --from=0 /temp/vcl/vcl /usr/bin/vcl
+COPY --from=0 /temp/vclpp/vclpp /usr/bin/vclpp
+
+# Install packages for emulating x86 and Tyra (make, libmpc, psmisc)
+RUN apt-get update
+RUN apt-get install -y make rsync libmpc-dev qemu qemu-user-static binfmt-support psmisc
+
+# Add 32bit executables support for VCL
+RUN dpkg --add-architecture i386
+RUN apt-get update
+RUN apt-get install -y libstdc++5:i386
+RUN update-binfmts --install i386 /usr/bin/qemu-i386-static --magic '\x7fELF\x01\x01\x01\x03\x00\x00\x00\x00\x00\x00\x00\x00\x03\x00\x03\x00\x01\x00\x00\x00' --mask '\xff\xff\xff\xff\xff\xff\xff\xfc\xff\xff\xff\xff\xff\xff\xff\xff\xf8\xff\xff\xff\xff\xff\xff\xff'
+
+# Set chmod
+RUN chmod 755 /usr/bin/vclpp
+RUN chmod 755 /usr/bin/vcl
+
+WORKDIR /src
+CMD ["/bin/bash"]

LICENSE

@@ -1,201 +0,0 @@
-                                 Apache License
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-   TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
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-      outstanding shares, or (iii) beneficial ownership of such entity.
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-      "You" (or "Your") shall mean an individual or Legal Entity
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Makefile.base

@@ -0,0 +1,117 @@
+#Compiler and Linker
+EE_PREFIX	:= mips64r5900el-ps2-elf-
+AR			:= $(EE_PREFIX)ar
+AS			:= $(EE_PREFIX)as
+CC			:= $(EE_PREFIX)gcc
+CXX			:= $(EE_PREFIX)g++
+STRIP		:= $(EE_PREFIX)strip
+BIN2S		:= $(PS2SDK)/bin/bin2s
+VCL			:= vcl
+VCLPP		:= vclpp
+DVP			:= dvp-as
+
+IRXEMBEDDEDEXT	:= irx-em
+
+#Flags, Libraries and Includes
+CFLAGS      += -D_EE -Wall -O3
+LINKFLAGS	+= -O3 -Wl,-zmax-page-size=128
+ASFLAGS		+= -O3
+LIB         += -lstdc++ -ldma -lpacket2 -lgraph -ldraw -lmath3d -lpng -lz -lpad -laudsrv -lpatches -lcdvd
+INC         += -I$(PS2DEV)/ps2sdk/ee/include -I$(PS2DEV)/ps2sdk/common/include -I$(PS2DEV)/ps2sdk/ports/include
+
+#---------------------------------------------------------------------------------
+#DO NOT EDIT BELOW THIS LINE
+#---------------------------------------------------------------------------------
+SOURCES     := $(shell find $(SRCDIR) -type f -name *.$(SRCEXT))
+OBJECTS     := $(patsubst $(SRCDIR)/%,$(BUILDDIR)/%,$(SOURCES:.$(SRCEXT)=.$(OBJEXT)))
+
+IRXEM_SOURCES  := $(shell find $(SRCDIR) -type f -name *.$(IRXEMBEDDEDEXT))
+IRXEM_OBJECTS  := $(patsubst $(SRCDIR)/%,$(BUILDDIR)/%,$(IRXEM_SOURCES:.$(IRXEMBEDDEDEXT)=.$(OBJEXT)))
+
+VU_SOURCES_VCL  := $(shell find $(SRCDIR) -type f -name *.$(VCLEXT))
+VU_OBJECTS_VCL  := $(patsubst $(SRCDIR)/%,$(BUILDDIR)/%,$(VU_SOURCES_VCL:.$(VCLEXT)=.$(OBJEXT)))
+
+VU_SOURCES_VSM  := $(shell find $(SRCDIR) -type f -name *.$(VSMEXT))
+VU_OBJECTS_VSM  := $(patsubst $(SRCDIR)/%,$(BUILDDIR)/%,$(VU_SOURCES_VSM:.$(VSMEXT)=.$(OBJEXT)))
+
+VCL_SOURCES  := $(shell find $(SRCDIR) -type f -name *.$(VCLPPEXT))
+VCL_OBJECTS  := $(patsubst $(SRCDIR)/%,$(BUILDDIR)/%,$(VCL_SOURCES:.$(VCLPPEXT)=.$(OBJEXT)))
+
+#Default Make
+all: resources $(TARGET)
+#all: resources irxcopy $(TARGET)
+
+release:
+	$(MAKE) CFLAGS="-DNDEBUG $(CFLAGS)"
+
+#Remake
+remake: cleaner all
+
+#Copy Resources from Resources Directory to Target Directory
+resources: directories
+	@cp -r $(RESDIR)/* $(TARGETDIR)/ || true
+
+#Make the Directories
+directories:
+	@mkdir -p $(TARGETDIR)
+	@mkdir -p $(BUILDDIR)
+
+#Clean only Objects
+clean:
+	@$(RM) -rf $(BUILDDIR)
+
+#Full Clean, Objects and Binaries
+cleaner: clean
+	@$(RM) -rf $(TARGETDIR)
+	@$(RM) -rf $(BUILDDIR)
+
+#irxcopy:
+#	@cp $(PS2SDK)/iop/irx/audsrv.irx $(TARGETDIR)/audsrv.irx
+
+#Pull in dependency info for *existing* .o files
+-include $(OBJECTS:.$(OBJEXT)=.$(DEPEXT))
+
+#Link
+$(TARGET): $(OBJECTS) $(VCL_OBJECTS) $(VU_OBJECTS_VCL) $(VU_OBJECTS_VSM) $(IRXEM_OBJECTS)
+	$(CXX) -T$(PS2DEV)/ps2sdk/ee/startup/linkfile -o $(TARGETDIR)/$(TARGET) $^ -L$(PS2DEV)/ps2sdk/ee/lib -L$(PS2SDK)/ports/lib $(LINKFLAGS) $(LIBDIRS) $(LIB)
+	$(STRIP) --strip-all $(TARGETDIR)/$(TARGET)
+
+$(BUILDDIR)/%.$(OBJEXT): $(SRCDIR)/%.$(IRXEMBEDDEDEXT)
+	@mkdir -p $(dir $@)
+	@rm -f $@.s
+	$(BIN2S) $(shell head -1 $<) $@.s $(shell sed -n '2p' $<)
+	$(AS) $(ASFLAGS) $@.s -o $@
+
+$(BUILDDIR)/%.$(OBJEXT): $(SRCDIR)/%.$(SRCEXT)
+	@mkdir -p $(dir $@)
+	$(CXX) $(CFLAGS) $(INC) -c -o $@ $<
+	@$(CXX) $(CFLAGS) $(INCDEP) -MM $(SRCDIR)/$*.$(SRCEXT) > $(BUILDDIR)/$*.$(DEPEXT)
+	@cp -f $(BUILDDIR)/$*.$(DEPEXT) $(BUILDDIR)/$*.$(DEPEXT).tmp
+	@sed -e 's|.*:|$(BUILDDIR)/$*.$(OBJEXT):|' < $(BUILDDIR)/$*.$(DEPEXT).tmp > $(BUILDDIR)/$*.$(DEPEXT)
+	@sed -e 's/.*://' -e 's/\\$$//' < $(BUILDDIR)/$*.$(DEPEXT).tmp | fmt -1 | sed -e 's/^ *//' -e 's/$$/:/' >> $(BUILDDIR)/$*.$(DEPEXT)
+	@rm -f $(BUILDDIR)/$*.$(DEPEXT).tmp
+
+$(BUILDDIR)/%.$(OBJEXT): $(SRCDIR)/%.$(VCLEXT)
+	@mkdir -p $(dir $@)
+	@rm -f $@.vsm
+	$(VCL) $< >> $@.vsm
+	$(DVP) $@.vsm -o $@
+
+$(BUILDDIR)/%.$(OBJEXT): $(SRCDIR)/%.$(VSMEXT)
+	@mkdir -p $(dir $@)
+	$(DVP) $< -o $@
+
+$(BUILDDIR)/%.$(OBJEXT): $(SRCDIR)/%.$(VCLPPEXT)
+	@mkdir -p $(dir $@)
+	@rm -f $@.vcl
+	@rm -f $@.vsm
+	$(VCLPP) $< $@.vcl
+	$(VCL) $@.vcl > $@.vsm
+	$(DVP) $@.vsm -o $@
+
+run-pcsx2:
+	taskkill.exe /f /t /im pcsx2x64.exe || true
+	$(WSL_LINUX_PCSX2)/pcsx2x64.exe --elf=$(WSL_MAKE_WINDOWS)$(CURDIR)/$(TARGETDIR)/$(TARGET)
+
+#Non-File Targets
+.PHONY: all remake clean cleaner resources

README.MD

@@ -1,157 +1,168 @@
-[![Contributors][contributors-shield]][contributors-url]
+[![Codacy Badge](https://app.codacy.com/project/badge/Grade/b81ab27f1c774f839729829c9f772b1a)](https://www.codacy.com/gh/h4570/tyra/dashboard?utm_source=github.com&utm_medium=referral&utm_content=h4570/tyra&utm_campaign=Badge_Grade)
-[![MIT License][license-shield]][license-url]
+[![Contributors][contributors-shield]][contributors-url]
-[![Discord](https://img.shields.io/badge/discord-Tyra-brightgreen?logo=discord)](https://discord.gg/NhhTmg3Gm5)
+[![MIT License][license-shield]][license-url]
-[![Discord](https://img.shields.io/badge/discord-PS2--Scene-brightgreen?logo=discord)](https://discord.gg/7dCr6ThSN5)
+[![Discord](https://img.shields.io/badge/discord-Tyra-brightgreen?logo=discord)](https://discord.gg/NhhTmg3Gm5)
-
+[![Discord](https://img.shields.io/badge/discord-PS2--Scene-brightgreen?logo=discord)](https://discord.gg/7dCr6ThSN5)
-<br />
+
-<p align="center">
+<br />
-  <a href="https://github.com/h4570/tyra">
+<p align="center">
-    <img src="http://apgcglz.cluster028.hosting.ovh.net/tyra/github-splash.png" alt="Logo" width="100%" height="auto">
+  <a href="https://github.com/h4570/tyra">
-  </a>
+    <img src="http://apgcglz.cluster028.hosting.ovh.net/tyra/github-splash.png" alt="Logo" width="100%" height="auto">
-
+  </a>
-  <h3 align="center">Tyra - alpha 1.31.2</h3>
+
-
+  <h3 align="center">Tyra - 2.0.0</h3>
-  <p align="center">
+
-    Open source game engine for PlayStation 2™
+  <p align="center">
-    <br />
+    Open source game engine for PlayStation 2™
-    <a href="https://github.com/h4570/tyra/tree/master/src/samples/dolphin"><strong>Dolphin sample »</strong></a>
+    <br />
-    &nbsp;
+    <a href="https://youtube.com/playlist?list=PLdQVLBcXRRWvtMi-OqccDWLTEFEisD5RH"><strong>YouTube tutorials »</strong></a>
-    <a href="https://github.com/h4570/tyra/tree/master/src/samples/floors"><strong>Floors sample »</strong></a>
+    &nbsp;
-    <br />
+    <br />
-    <br />
+    <br />
-    <a href="https://github.com/h4570/tyra/issues">Report Bug</a>
+    <a href="https://github.com/h4570/tyra/issues">Report Bug</a>
-    ·
+    ·
-    <a href="https://github.com/h4570/tyra/issues">Request Feature</a>
+    <a href="https://github.com/h4570/tyra/issues">Request Feature</a>
-  </p>
+  </p>
-</p>  
+</p>  
-
+
-## Table of Contents  
+[![Stargazers repo roster for h4570/tyra](https://reporoster.com/stars/h4570/tyra)](https://github.com/h4570/tyra/stargazers)
-
+
-* [About the Project](#about-the-project) 
+## Table of Contents  
-  * [Samples](#samples) 
+
-  * [About project](#about-project) 
+* [About the project](#about-the-project) 
-  * [Tyra features](#tyra-features) 
+  * [Description](#description) 
-  * [Branches](#branches) 
+  * [Tutorials](#tutorials) 
-* [Getting Started](#getting-started) 
+  * [Features](#features) 
-  * [Installation](#installation) 
+  * [Branches](#branches) 
-  * [Prerequisites](#prerequisites) 
+* [Contributing](#contributing) 
-* [Roadmap](#roadmap) 
+* [Games](#games) 
-* [Tyra team](#tyra-team)
+* [License](#license) 
-* [Contributing](#contributing) 
+* [Built With](#built-with) 
-* [License](#license) 
+* [Acronyms](#acronyms) 
-* [Built With](#built-with) 
+* [Credits](#credits) 
-* [Acronyms](#acronyms) 
+
-* [Thanks](#thanks) 
+## About the Project  
-
+<p align="center">
-## About The Project  
+  <img src="http://apgcglz.cluster028.hosting.ovh.net/tyra/tyra_code.gif" alt="Sample code" width="500" height="auto">  
-
+  <img src="http://apgcglz.cluster028.hosting.ovh.net/tyra/showcase.gif " alt="Sample game" width="500" height="auto"> 
-<img src="http://apgcglz.cluster028.hosting.ovh.net/tyra/1.31.2/tyra.gif" alt="sample" width="600" height="auto">  
+</p> 
-
+
-### Samples
+---
-* [Dolphin](https://github.com/h4570/tyra/tree/master/src/samples/dolphin) 
+### Description
-* [Floors](https://github.com/h4570/tyra/tree/master/src/samples/floors) 
+Tyra is a project that allows you to easily create games for the PlayStation 2 console.  
-  
+When I tried to make a game for PS2 a few years ago, I realized how many things had to be done to tame this exotic console architecture.
-### About project
+Decision was simple - I need to create an engine which will handle 3D file loading, 2D/3D rendering, animation, audio,  handling between PS2 CPUs, synchronization.. It should be simple as possible - so people with no experience can create a simple game in a few hours.  
-Goal of Tyra project is to provide simple API for PS2 game creation, so you can just run PS2 emulator, grab .obj file, and put it into live in a seconds. Project is on alpha stage, so keep in mind that there are many things to be done and to fix.
+**And that's what Tyra is all about.**  
- 
+
-YouTube tutorials soon!  
+### Tutorials
-  
+* 01 - Setup environment - [Text tutorial](https://github.com/h4570/tyra/tree/master/docs/install) or [Video](https://www.youtube.com/watch?v=9IXOU1SPdzc)
-**Why Tyra is needed?** Raw PS2 development can be a big challenge. PS2 it's pretty low-level and there are a lot of stuff that you must do from scratch.  
+* 02 - Cooking game assets - [Video](https://www.youtube.com/watch?v=LjO71ovPFJs)
-Tyra takes care for you, and rendering, coprocessors communication, synchronization and many more low-level stuff is already done.
+* 03 - Create a game repository - [Video](https://www.youtube.com/watch?v=DKfIKar3GUM)
-
+* 04 - Run game from USB in PS2 - [Video](https://www.youtube.com/watch?v=ZX8fTQqiNho)
-### Tyra features
+---
-* 3D support - VU1 "Path 1 rendering"  
+* 01 - [Code](https://github.com/h4570/tyra/tree/master/tutorials/01-hello) - Hello world
-* 2D support - PNG & BMP
+* 02 - [Code](https://github.com/h4570/tyra/tree/master/tutorials/02-sprite) - 2D rendering
-* Frustum culling, backface culling  
+* 03 - [Code](https://github.com/h4570/tyra/tree/master/tutorials/03-minecraft) - 3D minecraft blocks
-* OpenGL adaptions: Perspective projection, lookAt camera  
+* 04 - [Code](https://github.com/h4570/tyra/tree/master/tutorials/04-de_dust2) - `de_dust2.obj` rendering
-* Texture support - .bmp and png  
+* 05 - [Code](https://github.com/h4570/tyra/tree/master/tutorials/05-animation) - 3D animation
-* Mesh loaders: ".obj", ".dff" (RenderWare, GTA:SA) and ".md2" (Quake II) 
+* 06 - [Code](https://github.com/h4570/tyra/tree/master/tutorials/06-audio) - Background music and sound effects
-* Threading support 
+* 07 - [Code](https://github.com/h4570/tyra/tree/master/tutorials/07-lighting) - Static lightmap and dynamic directional lights
-* Animation support for obj and md2
+* 08 - [Code](https://github.com/h4570/tyra/tree/master/tutorials/08-skybox-debug) - Skybox and debug rendering
-* Audio support - .wav and .adpcm 
+* 09 - [Code](https://github.com/h4570/tyra/tree/master/tutorials/09-manual-mode) - Manual rendering (a'la OpenGL)
-* Pad support 
+* Demo game - [Code](https://github.com/h4570/tyra/tree/master/demo)
-
+---
-### Branches
+
-* Master - monthly releases - tested on PS2 & PCSX2.
+### Features
-* Develop - daily builds - can be unstable.
+* Docker image with Tyra, all tools and `PS2DEV` C++20 compiler
-
+* 3D rendering via `VU1` coprocessor:
-## Getting Started  
+  * Static rendering  
-
+  * Morph animation rendering  
-### Installation [![Discord](https://img.shields.io/badge/discord-Tyra-brightgreen?logo=discord)](https://discord.gg/NhhTmg3Gm5)  
+  * Super optimized, custom minecraft block renderer  
-In our Discord channel, there is detailed tutorial which will help you with setting up the all environment - starting from installing dependencies and ending on emulator setup or intellisense.  
+  * Debug rendering (lines, boxes, bboxes)
-
+  * Manual rendering (a'la `OpenGL`)
-### Prerequisites 
+* 2D rendering
-
+* Frustum culling:
-This is an example of how to list things you need to use the software.  
+  * Simple - culling whole mesh
-* PS2 DEV environment - [PS2DEV](https://github.com/ps2dev/ps2dev)  
+  * Precise - culling only visible parts of mesh
-* At least #e8e9edb PS2SDK (06.02.2021) - [PS2SDK](https://github.com/ps2dev/ps2sdk) 
+* Clipping:
-* PS2 Emulator. For example [PCSX2](https://pcsx2.net/) 
+  * Standard "fake", but fast PS2 clipping done in `VU1`
-
+  * Software clipping done in `EE Core`
-## Extra info 
+* Optimized math functions via `VU0` coprocessor   
-* BMP loader needs some polishing so be sure that you exporting BMP with 24bit: RGB888 and without information about colors. 
+* Background music and sound effects support 
-* If you want to run .elf in PCSX2, be sure that you have version >=1.6 and **Host access** enabled in PCSX2 configuration file.  
+* Pad support
-* If you want to use your own .obj file, please check "triangulate faces" in blender. PS2 is supporting only triangle primitive type.  
+* USB support
-
+* Memory card support
-## Roadmap  
+* `.wav` Audio file support
-
+* `.obj` 3D file support
-### Roadmap for next master release:  
+* `.md2` 3D file support
-[Next release roadmap](https://github.com/h4570/tyra/projects/4)  
+* `.png` Texture file support
-
+
-## Tyra team  
+### Branches
-
+* `master` - stable releases - tested on PS2 & PCSX2.
-Sandro Sobczyński - sandro.sobczynski@gmail.com  
+* `develop` - daily builds.
-[![LinkedIn][linkedin-shield]](https://linkedin.com/in/sandro-sobczyński-28820b15a)  
+
-Michał Mostowik - mostek3pl@gmail.com  
+See the [open issues](https://github.com/h4570/tyra/issues) for a list of proposed features (and known issues). 
-[![LinkedIn][linkedin-shield]](https://www.linkedin.com/in/notfoxar)  
+
-
+## Contributing 
-See the [open issues](https://github.com/h4570/tyra/issues) for a list of proposed features (and known issues). 
+
-
+Contributions are what make the open source community such an amazing place to be learn, inspire, and create. Any contributions you make are **greatly appreciated**. 
-## Contributing 
+
-
+1. Fork the Project 
-Contributions are what make the open source community such an amazing place to be learn, inspire, and create. Any contributions you make are **greatly appreciated**. 
+2. Create your Feature Branch (`git checkout -b feature/amazing-feature`)  
-
+3. Commit your Changes (`git commit -m 'Add some amazing-feature'`)  
-1. Fork the Project 
+4. Push to the Branch (`git push origin feature/amazing-feature`)  
-2. Create your Feature Branch (`git checkout -b feature/amazing-feature`)  
+5. Open a Pull Request  
-3. Commit your Changes (`git commit -m 'Add some amazing-feature'`)  
+
-4. Push to the Branch (`git push origin feature/amazing-feature`)  
+## Games
-5. Open a Pull Request  
+
-
+List of games developed with Tyra.  
-## License  
+If you created one, please contact me - I will add it to the list :)
-
+
-Distributed under the Apache License 2.0 License. See `LICENSE` for more information. 
+* [Tyracraft](https://github.com/Wellinator/tyracraft) 
-
+
-## Built With  
+## License  
-
+
-* [PS2SDK](https://github.com/ps2dev/ps2sdk)  
+Distributed under the Apache License 2.0 License. See `LICENSE` for more information. 
-
+
-### Acronyms 
+## Built With  
-* EE (Emotion Engine) - whole set of processors and subsystems that make up the PlayStation 2 
+
-* GS (Graphic synthesizer) - configurable rasterizer and texture mapper. Has only 2MB~ memory for textures, but for the opposite have very high transfer rate, so you can switch textures in the blink 
+* [PS2DEV](https://github.com/ps2dev/ps2dev)  
-* VU0 - programmable (ASM) vector processor that is accessed by inline assembly code injected into C program.  
+* [VCLPP](https://github.com/glampert/vclpp)  
-* VU1 - programmable (ASM) vector processor, which is similar to vertex shader. Accessed via DMA.  
+* Sony VCL
-* IOP - I/O processor which enables access to peripheral devices, such the game controller  
+
-
+## Acronyms 
-## Thanks  
+* EE (Emotion Engine) - whole set of processors and subsystems that make up the PlayStation 2 
-
+* EE Core - main PS2 CPU (c++ done here) 
-Without these guys, everything would be harder:
+* GS (Graphic synthesizer) - configurable rasterizer and texture mapper. Has only 2MB~ memory for textures, but for the opposite have very high transfer rate, so you can switch textures in the blink 
-* Dr Henry Fortuna - for code sources
+* VU0 - programmable (ASM) vector processor that is accessed by inline assembly code injected into C program.  
-* Rick Gaiser - for help and new GCC!
+* VU1 - programmable (ASM) vector processor, which is similar to vertex shader. Accessed via DMA.  
-* Lukasz D.K. - for huge archive of PS2 stuff
+* IOP - I/O processor which enables access to peripheral devices, such the game controller  
-* Guilherme Lampert - for code sources
+
-* Jesper Svennevid, Daniel Collin - for openvcl's code samples
+## Credits
-* Whole PS2DEV team
+
-* Manieq - for nice splash screens!
+Without these guys, Tyra would not happen:
-* And so many other guys. Thanks!
+* Dr Henry Fortuna - for code sources, PS2 academy tutorials
-
+* Rick Gaiser, fjtrujy - for maintaining PS2DEV
-Project Link: [https://github.com/h4570/tyra](https://github.com/h4570/tyra)  
+* Wellington Carvalho - for testing, contributing to Tyra and sharing cool ideas!
-  
+* Leonardo Ono - for software renderer example (with clipping!)
-<br />
+* Lukasz D.K. - for huge archive of PS2 stuff
-<a href="https://github.com/h4570/tyra">
+* Guilherme Lampert - for code sources
-  <img src="http://apgcglz.cluster028.hosting.ovh.net/tyra/github-splash2.png" alt="Logo" width="100%" height="auto">
+* Jesper Svennevid, Daniel Collin - for openvcl's code samples
-</a>
+* Whole PS2DEV team
-
+* Manieq - for nice splash screens!
-[contributors-shield]: https://img.shields.io/github/contributors/h4570/tyra.svg?style=flat-square  
+* And so many other guys. Thanks!
-[contributors-url]: https://github.com/h4570/tyra/graphs/contributors 
+
-[linkedin-shield]: https://img.shields.io/badge/-LinkedIn-black.svg?style=flat-square&logo=linkedin&colorB=555  
+Project Link: [https://github.com/h4570/tyra](https://github.com/h4570/tyra)  
-[license-shield]: https://img.shields.io/github/license/h4570/tyra.svg?style=flat-square  
+Sandro Sobczyński - sandro.sobczynski@gmail.com  
-[license-url]: https://github.com/h4570/tyra/blob/master/LICENSE  
+[![LinkedIn][linkedin-shield]](https://linkedin.com/in/sandro-sobczyński-28820b15a)  
+  
+<br />
+<a href="https://github.com/h4570/tyra">
+  <img src="http://apgcglz.cluster028.hosting.ovh.net/tyra/github-splash2.png" alt="Logo" width="100%" height="auto">
+</a>
+
+[contributors-shield]: https://img.shields.io/github/contributors/h4570/tyra.svg?style=flat-square  
+[contributors-url]: https://github.com/h4570/tyra/graphs/contributors 
+[linkedin-shield]: https://img.shields.io/badge/-LinkedIn-black.svg?style=flat-square&logo=linkedin&colorB=555  
+[license-shield]: https://img.shields.io/github/license/h4570/tyra.svg?style=flat-square  
+[license-url]: https://github.com/h4570/tyra/blob/master/LICENSE  

demo/Makefile

@@ -0,0 +1,33 @@
+TARGET      := demo.elf
+ENGINEDIR	:= ../engine
+
+#The Directories, Source, Includes, Objects, Binary and Resources
+SRCDIR      := src
+INCDIR      := inc
+BUILDDIR    := obj
+TARGETDIR   := bin
+RESDIR      := res
+SRCEXT      := cpp
+VSMEXT		:= vsm
+VCLEXT		:= vcl
+VCLPPEXT	:= vclpp
+DEPEXT      := d
+OBJEXT      := o
+
+#Flags, Libraries and Includes
+CFLAGS      :=
+LIB         := -ltyra
+LIBDIRS     := -L$(ENGINEDIR)/bin
+INC         := -I$(INCDIR) -I$(ENGINEDIR)/inc
+INCDEP      := -I$(INCDIR) -I$(ENGINEDIR)/inc
+
+include ../Makefile.base
+
+clean-engine:
+	cd $(ENGINEDIR) && $(MAKE) cleaner
+
+build-engine:
+	cd $(ENGINEDIR) && $(MAKE)
+
+build-release-engine:
+	cd $(ENGINEDIR) && $(MAKE) release

demo/bin/.gitignore

@@ -0,0 +1,4 @@
+# Ignore everything in this directory
+*
+# Except this file
+!.gitignore

demo/inc/demo_game.hpp

@@ -0,0 +1,34 @@
+/*
+# _____        ____   ___
+#   |     \/   ____| |___|
+#   |     |   |   \  |   |
+#-----------------------------------------------------------------------
+# Copyright 2022, tyra - https://github.com/h4570/tyra
+# Licensed under Apache License 2.0
+# Sandro Sobczyński <sandro.sobczynski@gmail.com>
+*/
+
+#pragma once
+
+#include <tyra>
+#include "state/state_manager.hpp"
+
+using Tyra::Engine;
+using Tyra::Game;
+
+namespace Demo {
+
+class DemoGame : public Game {
+ public:
+  DemoGame(Engine* engine);
+  ~DemoGame();
+
+  void init();
+  void loop();
+
+ private:
+  Engine* engine;
+  StateManager<GlobalStateType> stateManager;
+};
+
+}  // namespace Demo

demo/inc/game_settings.hpp

@@ -0,0 +1,17 @@
+/*
+# _____        ____   ___
+#   |     \/   ____| |___|
+#   |     |   |   \  |   |
+#-----------------------------------------------------------------------
+# Copyright 2022, tyra - https://github.com/h4570/tyra
+# Licensed under Apache License 2.0
+# Sandro Sobczyński <sandro.sobczynski@gmail.com>
+*/
+
+#pragma once
+
+namespace Demo {
+
+const bool IS_REAL_PS2_VIA_USB = false;
+
+}  // namespace Demo

demo/inc/state/global_state_type.hpp

@@ -0,0 +1,17 @@
+/*
+# _____        ____   ___
+#   |     \/   ____| |___|
+#   |     |   |   \  |   |
+#-----------------------------------------------------------------------
+# Copyright 2022, tyra - https://github.com/h4570/tyra
+# Licensed under Apache License 2.0
+# Sandro Sobczyński <sandro.sobczynski@gmail.com>
+*/
+
+#pragma once
+
+namespace Demo {
+
+enum GlobalStateType { STATE_INTRO, STATE_LOADING, STATE_GAME, STATE_EXIT };
+
+}  // namespace Demo

demo/inc/state/state.hpp

@@ -0,0 +1,40 @@
+/*
+# _____        ____   ___
+#   |     \/   ____| |___|
+#   |     |   |   \  |   |
+#-----------------------------------------------------------------------
+# Copyright 2022, tyra - https://github.com/h4570/tyra
+# Licensed under Apache License 2.0
+# Sandro Sobczyński <sandro.sobczynski@gmail.com>
+*/
+
+#pragma once
+
+#include <engine.hpp>
+
+using Tyra::Engine;
+
+namespace Demo {
+
+template <typename StateTypeT>
+class State {
+ public:
+  State(Engine* t_engine) : engine(t_engine) {}
+  virtual ~State() {}
+
+  virtual const StateTypeT& getState() const = 0;
+
+  virtual const bool& wantFinish() const = 0;
+
+  virtual void onStart() = 0;
+
+  virtual void update() = 0;
+
+  /** @return Next game state */
+  virtual StateTypeT onFinish() = 0;
+
+ protected:
+  Engine* engine;
+};
+
+}  // namespace Demo

demo/inc/state/state_manager.hpp

@@ -0,0 +1,99 @@
+/*
+# _____        ____   ___
+#   |     \/   ____| |___|
+#   |     |   |   \  |   |
+#-----------------------------------------------------------------------
+# Copyright 2022, tyra - https://github.com/h4570/tyra
+# Licensed under Apache License 2.0
+# Sandro Sobczyński <sandro.sobczynski@gmail.com>
+*/
+
+#pragma once
+
+#include <vector>
+#include "./state.hpp"
+#include "./global_state_type.hpp"
+
+namespace Demo {
+
+template <typename StateTypeT>
+class StateManager {
+ public:
+  StateManager(const StateTypeT& t_initialState,
+               const StateTypeT& t_exitState) {
+    stateInitialized = false;
+    currentState = t_initialState;
+    exitState = t_exitState;
+  }
+
+  ~StateManager() { freeAll(); }
+
+  const StateTypeT& getCurrentState() const { return currentState; }
+
+  const StateTypeT& getExitState() const { return exitState; }
+
+  bool finished() const { return currentState == exitState; }
+
+  std::vector<State<StateTypeT>*>* getAll() { return &states; }
+
+  State<StateTypeT>* get(const StateTypeT& stateType) {
+    for (auto& state : states) {
+      if (state->getState() == stateType) {
+        return state;
+      }
+    }
+    return nullptr;
+  }
+
+  void add(State<StateTypeT>* state) { states.push_back(state); }
+
+  /** remove (without free) */
+  void remove(const State<StateTypeT>* state) {
+    states.erase(std::remove(states.begin(), states.end(), state),
+                 states.end());
+  }
+
+  /** free and remove */
+  void free(const State<StateTypeT>* state) {
+    auto* found = get(state);
+    if (!found) return;
+
+    remove(found);
+    delete found;
+  }
+
+  /** free and remove all */
+  void freeAll() {
+    for (auto& state : states) {
+      delete state;
+    }
+    states.clear();
+  }
+
+  void update() {
+    for (auto& state : states) {
+      if (state->getState() == currentState) {
+        if (state->wantFinish()) {
+          currentState = state->onFinish();
+          stateInitialized = false;
+          break;
+        }
+
+        if (!stateInitialized) {
+          state->onStart();
+          stateInitialized = true;
+        }
+
+        state->update();
+        break;
+      }
+    }
+  }
+
+ private:
+  bool stateInitialized;
+  std::vector<State<StateTypeT>*> states;
+  StateTypeT currentState, exitState;
+};
+
+}  // namespace Demo

demo/inc/states/game/enemy/enemy.hpp

@@ -0,0 +1,63 @@
+/*
+# _____        ____   ___
+#   |     \/   ____| |___|
+#   |     |   |   \  |   |
+#-----------------------------------------------------------------------
+# Copyright 2022, tyra - https://github.com/h4570/tyra
+# Licensed under Apache License 2.0
+# Sandro Sobczyński <sandro.sobczynski@gmail.com>
+*/
+
+#pragma once
+
+#include <tyra>
+#include "states/game/renderer/renderer_dynamic_pair.hpp"
+#include "states/game/terrain/heightmap.hpp"
+#include "states/game/player/player_shoot_action.hpp"
+#include "./enemy_info.hpp"
+
+using Tyra::AnimationSequenceCallback;
+using Tyra::Audio;
+using Tyra::DynamicMesh;
+using Tyra::DynPipOptions;
+using Tyra::Engine;
+using Tyra::Renderer;
+using Tyra::Renderer3DUtility;
+using Tyra::TextureRepository;
+using Tyra::Vec4;
+
+namespace Demo {
+
+class Enemy {
+ public:
+  Enemy(Engine* engine, const EnemyInfo& info);
+  ~Enemy();
+
+  DynamicMesh* mesh;
+  DynPipOptions* options;
+  RendererDynamicPair* pair;
+
+  void update(const Heightmap& heightmap, const Vec4& playerPosition,
+              const PlayerShootAction& shootAction);
+
+ private:
+  std::vector<u32> walkSequence;
+  std::vector<u32> fightSequence;
+
+  void allocateOptions();
+  void walk(const Heightmap& heightmap, const Vec4& positionDiff);
+  void animationCallback(const AnimationSequenceCallback& callback);
+  void fight();
+  void handlePlayerShoot(const PlayerShootAction& shootAction);
+  void setMeshToSpawn();
+
+  bool isWalking = true;
+  bool isFighting = false;
+  Vec4 terrainLeftUp;
+  Vec4 terrainRightDown;
+
+  Audio* audio;
+  EnemyInfo info;
+};
+
+}  // namespace Demo

demo/inc/states/game/enemy/enemy_info.hpp

@@ -0,0 +1,33 @@
+/*
+# _____        ____   ___
+#   |     \/   ____| |___|
+#   |     |   |   \  |   |
+#-----------------------------------------------------------------------
+# Copyright 2022, tyra - https://github.com/h4570/tyra
+# Licensed under Apache License 2.0
+# Sandro Sobczyński <sandro.sobczynski@gmail.com>
+*/
+
+#pragma once
+
+#include <tyra>
+#include <audsrv.h>
+
+using Tyra::DynamicMesh;
+using Tyra::Texture;
+using Tyra::Vec4;
+
+namespace Demo {
+
+struct EnemyInfo {
+  u8 adpcmChannel;
+  audsrv_adpcm_t* adpcmPunch;
+  audsrv_adpcm_t* adpcmDeath;
+  DynamicMesh* motherMesh;
+  Texture* bodyTexture;
+  Texture* clothTexture;
+  Vec4 terrainLeftUp;
+  Vec4 terrainRightDown;
+};
+
+}  // namespace Demo

demo/inc/states/game/enemy/enemy_manager.hpp

@@ -0,0 +1,45 @@
+/*
+# _____        ____   ___
+#   |     \/   ____| |___|
+#   |     |   |   \  |   |
+#-----------------------------------------------------------------------
+# Copyright 2022, tyra - https://github.com/h4570/tyra
+# Licensed under Apache License 2.0
+# Sandro Sobczyński <sandro.sobczynski@gmail.com>
+*/
+
+#pragma once
+
+#include <tyra>
+#include <vector>
+#include "states/game/terrain/heightmap.hpp"
+#include "states/game/player/player_shoot_action.hpp"
+#include "./enemy.hpp"
+
+using Tyra::DynamicMesh;
+using Tyra::Engine;
+using Tyra::Texture;
+using Tyra::TextureRepository;
+using Tyra::Vec4;
+
+namespace Demo {
+
+class EnemyManager {
+ public:
+  EnemyManager(Engine* engine, const Heightmap& heightmap);
+  ~EnemyManager();
+
+  void update(const Heightmap& heightmap, const Vec4& playerPosition,
+              const PlayerShootAction& shootAction);
+
+  std::vector<RendererDynamicPair*> getPairs() const;
+
+ private:
+  TextureRepository* textureRepo;
+  std::vector<Enemy*> enemies;
+  DynamicMesh* motherMesh;
+  Texture* bodyTexture;
+  Texture* clothTexture;
+};
+
+}  // namespace Demo

demo/inc/states/game/game_state.hpp

@@ -0,0 +1,58 @@
+/*
+# _____        ____   ___
+#   |     \/   ____| |___|
+#   |     |   |   \  |   |
+#-----------------------------------------------------------------------
+# Copyright 2022, tyra - https://github.com/h4570/tyra
+# Licensed under Apache License 2.0
+# Sandro Sobczyński <sandro.sobczynski@gmail.com>
+*/
+
+#pragma once
+
+#include "state/state.hpp"
+#include "state/global_state_type.hpp"
+#include "./player/player.hpp"
+#include "./renderer/game_renderer.hpp"
+#include "./terrain/terrain.hpp"
+#include "./skybox/skybox.hpp"
+#include "./ship/ship.hpp"
+#include "./hud/hud.hpp"
+#include "./enemy/enemy_manager.hpp"
+
+using std::unique_ptr;
+
+namespace Demo {
+
+class GameState : public State<GlobalStateType> {
+ public:
+  GameState(Engine* t_engine);
+  ~GameState();
+
+  const GlobalStateType& getState() const { return state; }
+
+  const bool& wantFinish() const { return _wantFinish; };
+
+  void onStart();
+
+  void update();
+
+  /** @return Next game state */
+  GlobalStateType onFinish();
+
+ private:
+  GlobalStateType state;
+  bool _wantFinish;
+  bool initialized;
+  u8 fpsChecker;
+
+  GameRenderer renderer;
+  unique_ptr<Player> player;
+  unique_ptr<EnemyManager> enemyManager;
+  unique_ptr<Terrain> terrain;
+  unique_ptr<Skybox> skybox;
+  unique_ptr<Ship> ship;
+  unique_ptr<Hud> hud;
+};
+
+}  // namespace Demo

demo/inc/states/game/hud/hud.hpp

@@ -0,0 +1,39 @@
+/*
+# _____        ____   ___
+#   |     \/   ____| |___|
+#   |     |   |   \  |   |
+#-----------------------------------------------------------------------
+# Copyright 2022, tyra - https://github.com/h4570/tyra
+# Licensed under Apache License 2.0
+# Sandro Sobczyński <sandro.sobczynski@gmail.com>
+*/
+
+#pragma once
+
+#include <tyra>
+#include <memory>
+
+using std::unique_ptr;
+using Tyra::Sprite;
+using Tyra::Texture;
+using Tyra::TextureRepository;
+
+namespace Demo {
+
+class Hud {
+ public:
+  Hud(TextureRepository* repo);
+  ~Hud();
+
+  TextureRepository* repo;
+
+  unique_ptr<Sprite> hpSprite;
+  unique_ptr<Sprite> crosshairSprite;
+  unique_ptr<Sprite> soldierSprite;
+
+  Texture* hpTexture;
+  Texture* crosshairTexture;
+  Texture* soldierTexture;
+};
+
+}  // namespace Demo

demo/inc/states/game/player/camera.hpp

@@ -0,0 +1,40 @@
+/*
+# _____        ____   ___
+#   |     \/   ____| |___|
+#   |     |   |   \  |   |
+#-----------------------------------------------------------------------
+# Copyright 2022, tyra - https://github.com/h4570/tyra
+# Licensed under Apache License 2.0
+# Sandro Sobczyński <sandro.sobczynski@gmail.com>
+*/
+
+#pragma once
+
+#include <tyra>
+
+using Tyra::CameraInfo3D;
+using Tyra::Pad;
+using Tyra::Vec4;
+
+namespace Demo {
+
+class Camera {
+ public:
+  Camera(Pad* pad);
+  ~Camera();
+
+  Vec4 lookAt;
+  Vec4 position;
+  Vec4 unitCircle;
+
+  CameraInfo3D getCameraInfo() { return CameraInfo3D(&position, &lookAt); }
+
+  void update(const Vec4& playerPosition, const float& terrainHeight);
+
+ private:
+  float circleRotation, lengthFromOrigin, height;
+
+  Pad* pad;
+};
+
+}  // namespace Demo

demo/inc/states/game/player/player.hpp

@@ -0,0 +1,53 @@
+/*
+# _____        ____   ___
+#   |     \/   ____| |___|
+#   |     |   |   \  |   |
+#-----------------------------------------------------------------------
+# Copyright 2022, tyra - https://github.com/h4570/tyra
+# Licensed under Apache License 2.0
+# Sandro Sobczyński <sandro.sobczynski@gmail.com>
+*/
+
+#pragma once
+
+#include "states/game/renderer/renderer_dynamic_pair.hpp"
+#include "states/game/renderer/renderer_static_pair.hpp"
+#include "states/game/terrain/heightmap.hpp"
+#include "./weapon.hpp"
+#include "./camera.hpp"
+#include "./player_shoot_action.hpp"
+#include <tyra>
+
+using Tyra::Engine;
+using Tyra::Pad;
+using Tyra::Renderer3DUtility;
+using Tyra::Vec4;
+
+namespace Demo {
+
+class Player {
+ public:
+  Player(Engine* engine);
+  ~Player();
+
+  const Vec4& getPosition() const { return position; }
+  CameraInfo3D getCameraInfo() { return camera.getCameraInfo(); }
+
+  RendererStaticPair* pair;
+
+  void update(const Heightmap& heightmap);
+
+  PlayerShootAction getShootAction() const;
+
+ private:
+  void handlePlayerPosition(const Heightmap& heightmap,
+                            const float& terrainHeight);
+
+  float speed;
+  Pad* pad;
+  Vec4 position;
+  Weapon weapon;
+  Camera camera;
+};
+
+}  // namespace Demo

demo/inc/states/game/player/player_shoot_action.hpp

@@ -0,0 +1,25 @@
+/*
+# _____        ____   ___
+#   |     \/   ____| |___|
+#   |     |   |   \  |   |
+#-----------------------------------------------------------------------
+# Copyright 2022, tyra - https://github.com/h4570/tyra
+# Licensed under Apache License 2.0
+# Sandro Sobczyński <sandro.sobczynski@gmail.com>
+*/
+
+#pragma once
+
+#include <tyra>
+#include <optional>
+
+using Tyra::Ray;
+
+namespace Demo {
+
+struct PlayerShootAction {
+  bool isShooting = false;
+  std::optional<Ray> ray;
+};
+
+}  // namespace Demo

demo/inc/states/game/player/weapon.hpp

@@ -0,0 +1,54 @@
+/*
+# _____        ____   ___
+#   |     \/   ____| |___|
+#   |     |   |   \  |   |
+#-----------------------------------------------------------------------
+# Copyright 2022, tyra - https://github.com/h4570/tyra
+# Licensed under Apache License 2.0
+# Sandro Sobczyński <sandro.sobczynski@gmail.com>
+*/
+
+#pragma once
+
+#include <tyra>
+
+using Tyra::Audio;
+using Tyra::Engine;
+using Tyra::Pad;
+using Tyra::Renderer;
+using Tyra::StaPipOptions;
+using Tyra::StaticMesh;
+using Tyra::TextureRepository;
+using Tyra::Timer;
+using Tyra::Vec4;
+
+namespace Demo {
+
+class Weapon {
+ public:
+  Weapon(Engine* engine);
+  ~Weapon();
+
+  StaticMesh* mesh;
+  StaPipOptions* options;
+  bool isShooting = false;
+
+  void update();
+
+ private:
+  bool isShootAnimation1, isShootAnimation2;
+  Pad* pad;
+  Audio* audio;
+  Timer shootTimer;
+  Vec4 initialPosition;
+  u8 adpcmCurrentChannel;
+  u8 adpcmChannelsCount;
+
+  audsrv_adpcm_t* shootAdpcm;
+
+  void shoot();
+  void allocateOptions();
+  u8 getShootChannel();
+};
+
+}  // namespace Demo

demo/inc/states/game/renderer/game_renderer.hpp

@@ -0,0 +1,52 @@
+/*
+# _____        ____   ___
+#   |     \/   ____| |___|
+#   |     |   |   \  |   |
+#-----------------------------------------------------------------------
+# Copyright 2022, tyra - https://github.com/h4570/tyra
+# Licensed under Apache License 2.0
+# Sandro Sobczyński <sandro.sobczynski@gmail.com>
+*/
+
+#pragma once
+
+#include <tyra>
+#include "./renderer_static_pair.hpp"
+#include "./renderer_dynamic_pair.hpp"
+
+using Tyra::CoreBBox;
+using Tyra::DynamicPipeline;
+using Tyra::Renderer;
+using Tyra::Sprite;
+using Tyra::StaticPipeline;
+
+namespace Demo {
+
+class GameRenderer {
+ public:
+  GameRenderer(Renderer* renderer);
+  ~GameRenderer();
+
+  void add(std::vector<RendererStaticPair*> staticPairs);
+  void add(std::vector<RendererDynamicPair*> dynamicPairs);
+  void add(RendererStaticPair* staticPair);
+  void add(RendererDynamicPair* dynamicPair);
+  void add(Sprite* sprite);
+  void add(const CoreBBox& bbox);
+
+  void clear();
+  void render();
+
+ private:
+  Renderer* renderer;
+
+  StaticPipeline stpip;
+  DynamicPipeline dypip;
+
+  std::vector<RendererStaticPair*> staticPairs;
+  std::vector<RendererDynamicPair*> dynamicPairs;
+  std::vector<Sprite*> sprites;
+  std::vector<CoreBBox> bboxes;
+};
+
+}  // namespace Demo

demo/inc/states/game/renderer/renderer_dynamic_pair.hpp

@@ -0,0 +1,25 @@
+/*
+# _____        ____   ___
+#   |     \/   ____| |___|
+#   |     |   |   \  |   |
+#-----------------------------------------------------------------------
+# Copyright 2022, tyra - https://github.com/h4570/tyra
+# Licensed under Apache License 2.0
+# Sandro Sobczyński <sandro.sobczynski@gmail.com>
+*/
+
+#pragma once
+
+#include <tyra>
+
+using Tyra::DynamicMesh;
+using Tyra::DynPipOptions;
+
+namespace Demo {
+
+struct RendererDynamicPair {
+  DynamicMesh* mesh;
+  DynPipOptions* options;
+};
+
+}  // namespace Demo

demo/inc/states/game/renderer/renderer_static_pair.hpp

@@ -0,0 +1,25 @@
+/*
+# _____        ____   ___
+#   |     \/   ____| |___|
+#   |     |   |   \  |   |
+#-----------------------------------------------------------------------
+# Copyright 2022, tyra - https://github.com/h4570/tyra
+# Licensed under Apache License 2.0
+# Sandro Sobczyński <sandro.sobczynski@gmail.com>
+*/
+
+#pragma once
+
+#include <tyra>
+
+using Tyra::StaPipOptions;
+using Tyra::StaticMesh;
+
+namespace Demo {
+
+struct RendererStaticPair {
+  StaticMesh* mesh;
+  StaPipOptions* options;
+};
+
+}  // namespace Demo

demo/inc/states/game/ship/ship.hpp

@@ -0,0 +1,37 @@
+/*
+# _____        ____   ___
+#   |     \/   ____| |___|
+#   |     |   |   \  |   |
+#-----------------------------------------------------------------------
+# Copyright 2022, tyra - https://github.com/h4570/tyra
+# Licensed under Apache License 2.0
+# Sandro Sobczyński <sandro.sobczynski@gmail.com>
+*/
+
+#pragma once
+
+#include <tyra>
+#include "states/game/renderer/renderer_static_pair.hpp"
+
+using Tyra::Renderer;
+using Tyra::StaPipOptions;
+using Tyra::StaticMesh;
+using Tyra::TextureRepository;
+using Tyra::Vec4;
+
+namespace Demo {
+
+class Ship {
+ public:
+  Ship(TextureRepository* repo);
+  ~Ship();
+
+  StaticMesh* mesh;
+  StaPipOptions* options;
+  RendererStaticPair* pair;
+
+ private:
+  void allocateOptions();
+};
+
+}  // namespace Demo

demo/inc/states/game/skybox/skybox.hpp

@@ -0,0 +1,39 @@
+/*
+# _____        ____   ___
+#   |     \/   ____| |___|
+#   |     |   |   \  |   |
+#-----------------------------------------------------------------------
+# Copyright 2022, tyra - https://github.com/h4570/tyra
+# Licensed under Apache License 2.0
+# Sandro Sobczyński <sandro.sobczynski@gmail.com>
+*/
+
+#pragma once
+
+#include <tyra>
+#include "states/game/renderer/renderer_static_pair.hpp"
+
+using Tyra::Renderer;
+using Tyra::StaPipOptions;
+using Tyra::StaticMesh;
+using Tyra::TextureRepository;
+using Tyra::Vec4;
+
+namespace Demo {
+
+class Skybox {
+ public:
+  Skybox(TextureRepository* repo);
+  ~Skybox();
+
+  StaticMesh* mesh;
+  StaPipOptions* options;
+  RendererStaticPair* pair;
+
+  void update(const Vec4& playerPosition);
+
+ private:
+  void allocateOptions();
+};
+
+}  // namespace Demo

demo/inc/states/game/terrain/heightmap.hpp

@@ -0,0 +1,43 @@
+/*
+# _____        ____   ___
+#   |     \/   ____| |___|
+#   |     |   |   \  |   |
+#-----------------------------------------------------------------------
+# Copyright 2022, tyra - https://github.com/h4570/tyra
+# Licensed under Apache License 2.0
+# Sandro Sobczyński <sandro.sobczynski@gmail.com>
+*/
+
+#pragma once
+
+#include <tyra>
+
+using Tyra::Vec4;
+
+namespace Demo {
+
+class Heightmap {
+ public:
+  Heightmap(const float& minHeight, const float& maxHeight, const Vec4& leftUp,
+            const Vec4& rightDown);
+  ~Heightmap();
+
+  const float& getHeightOffset(const Vec4& playerPosition) const;
+
+  bool isOutside(const Vec4& position) const;
+
+  float** map;
+  s16 mapWidth, mapHeight;
+  float minHeight, maxHeight;
+  Vec4 leftUp, rightDown;
+
+ private:
+  float getWidthPercentage(const Vec4& playerPosition) const;
+  float getHeightPercentage(const Vec4& playerPosition) const;
+  void allocateMap(const unsigned char* data, const int& width,
+                   const int& height);
+  float getGameHeight(const u8& inputColor, const u8& minColor,
+                      const u8& maxColor) const;
+};
+
+}  // namespace Demo

demo/inc/states/game/terrain/terrain.hpp

@@ -0,0 +1,40 @@
+/*
+# _____        ____   ___
+#   |     \/   ____| |___|
+#   |     |   |   \  |   |
+#-----------------------------------------------------------------------
+# Copyright 2022, tyra - https://github.com/h4570/tyra
+# Licensed under Apache License 2.0
+# Sandro Sobczyński <sandro.sobczynski@gmail.com>
+*/
+
+#pragma once
+
+#include <tyra>
+#include "states/game/renderer/renderer_static_pair.hpp"
+#include "./heightmap.hpp"
+
+using Tyra::StaPipOptions;
+using Tyra::StaticMesh;
+using Tyra::TextureRepository;
+using Tyra::Vec4;
+
+namespace Demo {
+
+class Terrain {
+ public:
+  Terrain(TextureRepository* repo);
+  ~Terrain();
+
+  Heightmap heightmap;
+  StaticMesh* mesh;
+  StaPipOptions* options;
+  RendererStaticPair* pair;
+
+  float getHeightOffset(const Vec4& playerPosition);
+
+ private:
+  void allocateOptions();
+};
+
+}  // namespace Demo

demo/inc/states/intro/intro_state.hpp

@@ -0,0 +1,44 @@
+/*
+# _____        ____   ___
+#   |     \/   ____| |___|
+#   |     |   |   \  |   |
+#-----------------------------------------------------------------------
+# Copyright 2022, tyra - https://github.com/h4570/tyra
+# Licensed under Apache License 2.0
+# Sandro Sobczyński <sandro.sobczynski@gmail.com>
+*/
+
+#pragma once
+
+#include "state/state.hpp"
+#include "state/global_state_type.hpp"
+#include "state/state_manager.hpp"
+#include "./intro_state_type.hpp"
+
+namespace Demo {
+
+class IntroState : public State<GlobalStateType> {
+ public:
+  IntroState(Engine* t_engine);
+  ~IntroState();
+
+  const GlobalStateType& getState() const { return state; }
+
+  const bool& wantFinish() const { return _wantFinish; };
+
+  void onStart();
+
+  void update();
+
+  /** @return Next game state */
+  GlobalStateType onFinish();
+
+ private:
+  GlobalStateType state;
+  bool _wantFinish;
+  bool initialized;
+
+  StateManager<IntroStateType> stateManager;
+};
+
+}  // namespace Demo

demo/inc/states/intro/intro_state_type.hpp

@@ -0,0 +1,22 @@
+/*
+# _____        ____   ___
+#   |     \/   ____| |___|
+#   |     |   |   \  |   |
+#-----------------------------------------------------------------------
+# Copyright 2022, tyra - https://github.com/h4570/tyra
+# Licensed under Apache License 2.0
+# Sandro Sobczyński <sandro.sobczynski@gmail.com>
+*/
+
+#pragma once
+
+namespace Demo {
+
+enum IntroStateType {
+  STATE_PS2DEV,
+  STATE_TYRA,
+  STATE_PRESS_KEY,
+  STATE_INTRO_END
+};
+
+}  // namespace Demo

demo/inc/states/intro/states/intro_press_key_state.hpp

@@ -0,0 +1,74 @@
+/*
+# _____        ____   ___
+#   |     \/   ____| |___|
+#   |     |   |   \  |   |
+#-----------------------------------------------------------------------
+# Copyright 2022, tyra - https://github.com/h4570/tyra
+# Licensed under Apache License 2.0
+# Sandro Sobczyński <sandro.sobczynski@gmail.com>
+*/
+
+#pragma once
+
+#include "state/state.hpp"
+#include "../intro_state_type.hpp"
+#include <tyra>
+
+using Tyra::Sprite;
+using Tyra::Texture;
+using Tyra::Timer;
+using Tyra::Vec2;
+
+namespace Demo {
+
+class IntroPressKeyState : public State<IntroStateType> {
+ public:
+  IntroPressKeyState(Engine* t_engine);
+  ~IntroPressKeyState();
+
+  const IntroStateType& getState() const { return state; }
+
+  const bool& wantFinish() const { return _wantFinish; };
+
+  void onStart();
+
+  /** @return Next game state */
+  IntroStateType onFinish();
+
+  void update();
+
+ private:
+  void renderFiller();
+  void updateMap();
+
+  IntroStateType state;
+  bool _wantFinish;
+  bool initialized;
+  bool mapFadeIn;
+  bool fillerFadeIn;
+  bool showPressKey;
+  bool pressKeyAlphaToggle;
+  u8 pressKeyAlphaDelayer;
+
+  float fillersOffset;
+  constexpr static float textureWidthHeight = 512.0F;
+  const static u8 mapRows = 3;
+  const static u8 mapCols = 3;
+
+  Vec2 mapPosition;
+  u8 mapDirection;
+
+  Texture* fillerTexture;
+  Sprite* fillerSprite;
+
+  Texture* logoTexture;
+  Sprite* logoSprite;
+
+  Texture* pressKeyTexture;
+  Sprite* pressKeySprite;
+
+  Texture* mapTextures[mapRows][mapCols];
+  Sprite* mapSprites[mapRows][mapCols];
+};
+
+}  // namespace Demo

demo/inc/states/intro/states/intro_ps2dev_state.hpp

@@ -0,0 +1,54 @@
+/*
+# _____        ____   ___
+#   |     \/   ____| |___|
+#   |     |   |   \  |   |
+#-----------------------------------------------------------------------
+# Copyright 2022, tyra - https://github.com/h4570/tyra
+# Licensed under Apache License 2.0
+# Sandro Sobczyński <sandro.sobczynski@gmail.com>
+*/
+
+#pragma once
+
+#include "state/state.hpp"
+#include "../intro_state_type.hpp"
+#include <tyra>
+
+using Tyra::Sprite;
+using Tyra::Texture;
+using Tyra::Timer;
+
+namespace Demo {
+
+class IntroPs2DevState : public State<IntroStateType> {
+ public:
+  IntroPs2DevState(Engine* t_engine);
+  ~IntroPs2DevState();
+
+  const IntroStateType& getState() const { return state; }
+
+  const bool& wantFinish() const { return _wantFinish; };
+
+  void onStart();
+
+  void update();
+
+  /** @return Next game state */
+  IntroStateType onFinish();
+
+ private:
+  IntroStateType state;
+  bool _wantFinish;
+
+  Texture* texture;
+  Timer initialDelayTimer;
+  bool initialized;
+  bool initialDelayElapsed;
+  bool fadeinActivated;
+  bool fadeoutActivated;
+  u8 frameSkipper;
+
+  Sprite* sprite;
+};
+
+}  // namespace Demo

demo/inc/states/intro/states/intro_tyra_state.hpp

@@ -0,0 +1,63 @@
+/*
+# _____        ____   ___
+#   |     \/   ____| |___|
+#   |     |   |   \  |   |
+#-----------------------------------------------------------------------
+# Copyright 2022, tyra - https://github.com/h4570/tyra
+# Licensed under Apache License 2.0
+# Sandro Sobczyński <sandro.sobczynski@gmail.com>
+*/
+
+#pragma once
+
+#include "state/state.hpp"
+#include "../intro_state_type.hpp"
+#include <tyra>
+
+using Tyra::Sprite;
+using Tyra::Texture;
+using Tyra::Timer;
+
+namespace Demo {
+
+class IntroTyraState : public State<IntroStateType> {
+ public:
+  IntroTyraState(Engine* t_engine);
+  ~IntroTyraState();
+
+  const IntroStateType& getState() const { return state; }
+
+  const bool& wantFinish() const { return _wantFinish; };
+
+  void onStart();
+
+  void update();
+
+  /** @return Next game state */
+  IntroStateType onFinish();
+
+ private:
+  IntroStateType state;
+  bool _wantFinish;
+
+  Texture* tyraTexture;
+  Texture* bgTexture;
+  Texture* bg2Texture;
+  Texture* fillerTexture;
+
+  Timer initialDelayTimer;
+  bool initialized;
+  bool initialDelayElapsed;
+  bool animActivated;
+  bool fadeoutActivated;
+  u8 frameSkipper;
+
+  Sprite* tyraSprite;
+  Sprite* bgSprite;
+  Sprite* bg2Sprite;
+  Sprite* fillerSprite;
+
+  void renderFillers();
+};
+
+}  // namespace Demo

demo/inc/states/loading/loading_state.hpp

@@ -0,0 +1,41 @@
+/*
+# _____        ____   ___
+#   |     \/   ____| |___|
+#   |     |   |   \  |   |
+#-----------------------------------------------------------------------
+# Copyright 2022, tyra - https://github.com/h4570/tyra
+# Licensed under Apache License 2.0
+# Sandro Sobczyński <sandro.sobczynski@gmail.com>
+*/
+
+#pragma once
+
+#include "state/state.hpp"
+#include "state/global_state_type.hpp"
+#include "state/state_manager.hpp"
+
+namespace Demo {
+
+class LoadingState : public State<GlobalStateType> {
+ public:
+  LoadingState(Engine* t_engine);
+  ~LoadingState();
+
+  const GlobalStateType& getState() const { return state; }
+
+  const bool& wantFinish() const { return _wantFinish; };
+
+  void onStart();
+
+  void update();
+
+  /** @return Next game state */
+  GlobalStateType onFinish();
+
+ private:
+  GlobalStateType state;
+  bool _wantFinish;
+  bool initialized;
+};
+
+}  // namespace Demo

demo/res/.gitignore

@@ -0,0 +1,4 @@
+# Ignore everything in this directory
+*
+# Except this file
+!.gitignore

demo/run.ps1

@@ -0,0 +1,4 @@
+$ConfigFile = Join-Path $PSScriptRoot '../windows-pcsx2.ps1'
+. $ConfigFile
+
+RunPCSX2

demo/src/demo_game.cpp

@@ -0,0 +1,35 @@
+/*
+# _____        ____   ___
+#   |     \/   ____| |___|
+#   |     |   |   \  |   |
+#-----------------------------------------------------------------------
+# Copyright 2022, tyra - https://github.com/h4570/tyra
+# Licensed under Apache License 2.0
+# Sandro Sobczyński <sandro.sobczynski@gmail.com>
+*/
+
+#include "demo_game.hpp"
+#include "states/intro/intro_state.hpp"
+#include "states/loading/loading_state.hpp"
+#include "states/game/game_state.hpp"
+
+namespace Demo {
+
+DemoGame::DemoGame(Engine* t_engine)
+    : engine(t_engine), stateManager(STATE_INTRO, STATE_EXIT) {}
+DemoGame::~DemoGame() {}
+
+void DemoGame::init() {
+  stateManager.add(new IntroState(engine));
+  stateManager.add(new LoadingState(engine));
+  stateManager.add(new GameState(engine));
+}
+void DemoGame::loop() {
+  stateManager.update();
+
+  if (stateManager.finished()) {
+    exit(0);
+  }
+}
+
+}  // namespace Demo

demo/src/main.cpp

@@ -0,0 +1,29 @@
+/*
+# _____        ____   ___
+#   |     \/   ____| |___|
+#   |     |   |   \  |   |
+#-----------------------------------------------------------------------
+# Copyright 2022, tyra - https://github.com/h4570/tyra
+# Licensed under Apache License 2.0
+# Sandro Sobczyński <sandro.sobczynski@gmail.com>
+*/
+
+#include <tyra>
+#include "demo_game.hpp"
+#include "game_settings.hpp"
+
+int main() {
+  Tyra::EngineOptions options;
+
+  if (Demo::IS_REAL_PS2_VIA_USB) {
+    options.writeLogsToFile = true;
+    options.loadUsbDriver = true;
+  }
+
+  Tyra::Engine engine(options);
+
+  Demo::DemoGame game(&engine);
+  engine.run(&game);
+  SleepThread();
+  return 0;
+}

demo/src/states/game/enemy/enemy.cpp

@@ -0,0 +1,159 @@
+/*
+# _____        ____   ___
+#   |     \/   ____| |___|
+#   |     |   |   \  |   |
+#-----------------------------------------------------------------------
+# Copyright 2022, tyra - https://github.com/h4570/tyra
+# Licensed under Apache License 2.0
+# Sandro Sobczyński <sandro.sobczynski@gmail.com>
+*/
+
+#include "states/game/enemy/enemy.hpp"
+#include <functional>
+
+using Tyra::Color;
+using Tyra::Math;
+
+namespace Demo {
+
+Enemy::Enemy(Engine* engine, const EnemyInfo& t_info) {
+  info = t_info;
+
+  mesh = new DynamicMesh(*info.motherMesh);
+
+  auto* bodyMaterial = mesh->getMaterialByName("BodyMaterial");
+  auto* clothMaterial = mesh->getMaterialByName("ClothMaterial");
+
+  TYRA_ASSERT(bodyMaterial != nullptr && clothMaterial != nullptr,
+              "Body and cloth materials not found!");
+
+  info.bodyTexture->addLink(bodyMaterial->id);
+  info.clothTexture->addLink(clothMaterial->id);
+
+  float r = Math::randomf(75.0F, 128.0F);
+  float g = Math::randomf(75.0F, 128.0F);
+  float b = Math::randomf(75.0F, 128.0F);
+
+  bodyMaterial->ambient.set(r, g, b);
+  clothMaterial->ambient.set(r, g, b);
+
+  walkSequence = {0, 1, 2};
+  fightSequence = {3, 4, 5};
+
+  terrainLeftUp = info.terrainLeftUp;
+  terrainRightDown = info.terrainRightDown;
+
+  setMeshToSpawn();
+
+  mesh->animation.setSequence(walkSequence);
+  mesh->animation.loop = true;
+  mesh->animation.setCallback(
+      std::bind(&Enemy::animationCallback, this, std::placeholders::_1));
+  mesh->translation.translateY(-5.0F);
+
+  audio = &engine->audio;
+  audio->adpcm.setVolume(30, info.adpcmChannel);
+
+  allocateOptions();
+
+  pair = new RendererDynamicPair{mesh, options};
+}
+
+Enemy::~Enemy() {
+  delete mesh;
+  delete options;
+  delete pair;
+}
+
+void Enemy::setMeshToSpawn() {
+  auto spawnPoint =
+      Vec4(Math::randomf(terrainLeftUp.x, terrainRightDown.x), 0.0F,
+           Math::randomf(terrainLeftUp.z, terrainRightDown.z), 1.0F);
+
+  mesh->setPosition(spawnPoint);
+}
+
+void Enemy::update(const Heightmap& heightmap, const Vec4& playerPosition,
+                   const PlayerShootAction& shootAction) {
+  auto* enemyPosition = mesh->getPosition();
+
+  handlePlayerShoot(shootAction);
+
+  auto diff = *enemyPosition - playerPosition;
+  auto ang = Math::atan2(diff.x, diff.z);
+
+  if (diff.length() > 150.0F) {
+    walk(heightmap, diff);
+  } else {
+    fight();
+  }
+
+  const float naturalRotation = 3.1F;
+  mesh->rotation.identity();
+  ang += naturalRotation;
+  mesh->rotation.rotateByAngle(ang, Vec4(0.0F, 1.0F, 0.0F, 0.0F));
+
+  mesh->update();
+}
+
+void Enemy::handlePlayerShoot(const PlayerShootAction& shootAction) {
+  if (!shootAction.isShooting) {
+    return;
+  }
+
+  const auto& ray = shootAction.ray.value();
+
+  auto bbox =
+      mesh->getCurrentBoundingBox().getTransformed(mesh->getModelMatrix());
+
+  auto isOnEnemy = ray.intersectBox(bbox.min(), bbox.max());
+
+  if (isOnEnemy) {
+    setMeshToSpawn();
+    audio->adpcm.tryPlay(info.adpcmDeath, info.adpcmChannel);
+  }
+}
+
+void Enemy::walk(const Heightmap& heightmap, const Vec4& positionDiff) {
+  if (isFighting) {
+    mesh->animation.setSequence(walkSequence);
+  }
+
+  isFighting = false;
+  isWalking = true;
+
+  auto* enemyPosition = mesh->getPosition();
+  auto normalized = positionDiff;
+  normalized.normalize();
+  const float speed = 2.5F;
+  auto nextPos = *enemyPosition - normalized * speed;
+  nextPos.y = heightmap.getHeightOffset(nextPos) - 60.0F;
+
+  mesh->translation.identity();
+  mesh->translation.translate(nextPos);
+}
+
+void Enemy::fight() {
+  if (isWalking) {
+    mesh->animation.setSequence(fightSequence);
+  }
+
+  isFighting = true;
+  isWalking = false;
+}
+
+void Enemy::animationCallback(const AnimationSequenceCallback& callback) {
+  if (callback == AnimationSequenceCallback::AnimationSequenceCallback_Loop) {
+    if (isFighting) {
+      audio->adpcm.tryPlay(info.adpcmPunch, info.adpcmChannel);
+    }
+  }
+}
+
+void Enemy::allocateOptions() {
+  options = new DynPipOptions();
+  options->frustumCulling =
+      Tyra::PipelineFrustumCulling::PipelineFrustumCulling_None;
+}
+
+}  // namespace Demo

demo/src/states/game/enemy/enemy_manager.cpp

@@ -0,0 +1,92 @@
+/*
+# _____        ____   ___
+#   |     \/   ____| |___|
+#   |     |   |   \  |   |
+#-----------------------------------------------------------------------
+# Copyright 2022, tyra - https://github.com/h4570/tyra
+# Licensed under Apache License 2.0
+# Sandro Sobczyński <sandro.sobczynski@gmail.com>
+*/
+
+#include "states/game/enemy/enemy_manager.hpp"
+#include <functional>
+#include "game_settings.hpp"
+
+using Tyra::FileUtils;
+using Tyra::Math;
+using Tyra::ObjLoader;
+using Tyra::ObjLoaderOptions;
+
+namespace Demo {
+
+EnemyManager::EnemyManager(Engine* engine, const Heightmap& heightmap) {
+  textureRepo = &engine->renderer.core.texture.repository;
+
+  ObjLoader loader;
+  ObjLoaderOptions objOptions;
+  objOptions.animation.count = 6;
+  objOptions.flipUVs = true;
+  objOptions.scale = 250.0F;
+
+  auto data = loader.load(FileUtils::fromCwd("game/models/zombie/zombie.obj"),
+                          objOptions);
+  data->loadNormals = false;
+  motherMesh = new DynamicMesh(data.get());
+
+  bodyTexture = textureRepo->add(
+      FileUtils::fromCwd("game/models/zombie/BodyMaterial.png"));
+
+  clothTexture = textureRepo->add(
+      FileUtils::fromCwd("game/models/zombie/ClothMaterial.png"));
+
+  auto* punch = engine->audio.adpcm.load(
+      FileUtils::fromCwd("game/models/zombie/punch.adpcm"));
+
+  auto* death = engine->audio.adpcm.load(
+      FileUtils::fromCwd("game/models/zombie/death.adpcm"));
+
+  const int enemyCount = IS_REAL_PS2_VIA_USB ? 8 : 12;
+  for (int i = 0; i < enemyCount; i++) {
+    EnemyInfo info;
+    info.adpcmChannel = 9 + i;
+    info.adpcmPunch = punch;
+    info.adpcmDeath = death;
+    info.motherMesh = motherMesh;
+    info.clothTexture = clothTexture;
+    info.bodyTexture = bodyTexture;
+    info.terrainLeftUp = heightmap.leftUp;
+    info.terrainRightDown = heightmap.rightDown;
+    enemies.push_back(new Enemy(engine, info));
+  }
+}
+
+EnemyManager::~EnemyManager() {
+  for (auto* enemy : enemies) {
+    delete enemy;
+  }
+
+  delete motherMesh;
+
+  textureRepo->free(bodyTexture->id);
+  textureRepo->free(clothTexture->id);
+}
+
+std::vector<RendererDynamicPair*> EnemyManager::getPairs() const {
+  std::vector<RendererDynamicPair*> result;
+
+  for (auto* enemy : enemies) {
+    result.push_back(enemy->pair);
+  }
+
+  return result;
+}
+
+void EnemyManager::update(const Heightmap& heightmap,
+                          const Vec4& playerPosition,
+                          const PlayerShootAction& shootAction) {
+  for (auto* enemy : enemies) {
+    enemy->update(heightmap, playerPosition, shootAction);
+  }
+}
+
+}  // namespace Demo

demo/src/states/game/game_state.cpp

@@ -0,0 +1,97 @@
+/*
+# _____        ____   ___
+#   |     \/   ____| |___|
+#   |     |   |   \  |   |
+#-----------------------------------------------------------------------
+# Copyright 2022, tyra - https://github.com/h4570/tyra
+# Licensed under Apache License 2.0
+# Sandro Sobczyński <sandro.sobczynski@gmail.com>
+*/
+
+#include "states/game/game_state.hpp"
+#include "game_settings.hpp"
+
+using std::make_unique;
+using Tyra::FileUtils;
+
+namespace Demo {
+
+GameState::GameState(Engine* t_engine)
+    : State(t_engine), renderer(&t_engine->renderer) {
+  state = STATE_GAME;
+  _wantFinish = false;
+  initialized = false;
+  fpsChecker = 0;
+}
+
+GameState::~GameState() {}
+
+void GameState::onStart() {
+  TYRA_LOG("Game. RAM: ", engine->info.getAvailableRAM(), "MB");
+
+  engine->audio.song.stop();
+  engine->audio.song.inLoop = true;
+  engine->audio.song.load(FileUtils::fromCwd("game/game-audio.wav"));
+  engine->audio.song.setVolume(0);
+  engine->audio.song.play();
+
+  auto* repository = &engine->renderer.core.texture.repository;
+  player = make_unique<Player>(engine);
+  terrain = make_unique<Terrain>(repository);
+  enemyManager = make_unique<EnemyManager>(engine, terrain->heightmap);
+  ship = make_unique<Ship>(repository);
+  skybox = make_unique<Skybox>(repository);
+  hud = make_unique<Hud>(repository);
+
+  engine->audio.song.setVolume(85);
+
+  if (IS_REAL_PS2_VIA_USB) engine->renderer.setFrameLimit(false);
+
+  initialized = true;
+}
+
+GlobalStateType GameState::onFinish() {
+  if (!initialized) return STATE_EXIT;
+
+  initialized = false;
+
+  return STATE_EXIT;
+}
+
+void GameState::update() {
+  // Check fps
+  if (fpsChecker++ > 50) {
+    TYRA_LOG("FPS: ", engine->info.getFps(),
+             " RAM: ", engine->info.getAvailableRAM());
+    fpsChecker = 0;
+  }
+
+  // Game logic
+  player->update(terrain->heightmap);
+  skybox->update(player->getPosition());
+  auto shootAction = player->getShootAction();
+  enemyManager->update(terrain->heightmap, player->getPosition(), shootAction);
+  auto* firstEnemyMesh = enemyManager->getPairs().front()->mesh;
+
+  // Render
+  engine->renderer.beginFrame(player->getCameraInfo());
+  {
+    renderer.clear();
+    {
+      renderer.add(skybox->pair);  // First, because of ALLPASS
+      renderer.add(ship->pair);
+      renderer.add(player->pair);
+      renderer.add(enemyManager->getPairs());
+      renderer.add(terrain->pair);
+      renderer.add(firstEnemyMesh->getCurrentBoundingBox().getTransformed(
+          firstEnemyMesh->getModelMatrix()));
+      renderer.add(hud->crosshairSprite.get());
+      renderer.add(hud->hpSprite.get());
+      renderer.add(hud->soldierSprite.get());
+    }
+    renderer.render();
+  }
+  engine->renderer.endFrame();
+}
+
+}  // namespace Demo

demo/src/states/game/hud/hud.cpp

@@ -0,0 +1,51 @@
+/*
+# _____        ____   ___
+#   |     \/   ____| |___|
+#   |     |   |   \  |   |
+#-----------------------------------------------------------------------
+# Copyright 2022, tyra - https://github.com/h4570/tyra
+# Licensed under Apache License 2.0
+# Sandro Sobczyński <sandro.sobczynski@gmail.com>
+*/
+
+#include "states/game/hud/hud.hpp"
+
+using Tyra::FileUtils;
+
+namespace Demo {
+
+Hud::Hud(TextureRepository* t_repo) {
+  repo = t_repo;
+
+  soldierSprite = std::make_unique<Sprite>();
+  soldierSprite->mode = Tyra::MODE_STRETCH;
+  soldierSprite->size.set(64.0F, 64.0F);
+  soldierSprite->position.set(5.0F, 448.0F - 64.0F - 5.0F);
+
+  soldierTexture = repo->add(FileUtils::fromCwd("game/soldier.png"));
+  soldierTexture->addLink(soldierSprite->id);
+
+  hpSprite = std::make_unique<Sprite>();
+  hpSprite->mode = Tyra::MODE_STRETCH;
+  hpSprite->size.set(128.0F, 64.0F);
+  hpSprite->position.set(70.0F, 448.0F - 64.0F - 5.0F);
+
+  hpTexture = repo->add(FileUtils::fromCwd("game/health_bar.png"));
+  hpTexture->addLink(hpSprite->id);
+
+  crosshairSprite = std::make_unique<Sprite>();
+  crosshairSprite->mode = Tyra::MODE_STRETCH;
+  crosshairSprite->size.set(16.0F, 16.0F);
+  crosshairSprite->position.set(512.0F / 2.0F - 16.0F / 2,
+                                448.0F / 2.0F - 16.0F / 2);
+
+  crosshairTexture = repo->add(FileUtils::fromCwd("game/crosshair.png"));
+  crosshairTexture->addLink(crosshairSprite->id);
+}
+
+Hud::~Hud() {
+  repo->free(crosshairTexture->id);
+  repo->free(hpTexture->id);
+}
+
+}  // namespace Demo

demo/src/states/game/player/camera.cpp

@@ -0,0 +1,49 @@
+/*
+# _____        ____   ___
+#   |     \/   ____| |___|
+#   |     |   |   \  |   |
+#-----------------------------------------------------------------------
+# Copyright 2022, tyra - https://github.com/h4570/tyra
+# Licensed under Apache License 2.0
+# Sandro Sobczyński <sandro.sobczynski@gmail.com>
+*/
+
+#include "states/game/player/camera.hpp"
+
+namespace Demo {
+
+Camera::Camera(Pad* t_pad) : lookAt(0.0F), position(0.0F), pad(t_pad) {
+  lengthFromOrigin = 30.0F;
+  circleRotation = -3.5F;
+  height = 1.5F;
+}
+
+Camera::~Camera() {}
+
+void Camera::update(const Vec4& playerPosition, const float& terrainHeight) {
+  const float rotationOffset = 0.045F;
+  const float heightOffset = 0.5F;
+
+  const auto& rightJoy = pad->getRightJoyPad();
+
+  if (rightJoy.h <= 100) {
+    circleRotation -= rotationOffset;
+  } else if (rightJoy.h >= 200) {
+    circleRotation += rotationOffset;
+  }
+
+  if (rightJoy.v <= 100) {
+    height -= heightOffset;
+  } else if (rightJoy.v >= 200) {
+    height += heightOffset;
+  }
+
+  unitCircle.x = (sin(circleRotation) * lengthFromOrigin);
+  unitCircle.y = height;
+  unitCircle.z = (cos(circleRotation) * lengthFromOrigin);
+
+  position = playerPosition;
+  lookAt = unitCircle + playerPosition;
+}
+
+}  // namespace Demo

demo/src/states/game/player/player.cpp

@@ -0,0 +1,77 @@
+/*
+# _____        ____   ___
+#   |     \/   ____| |___|
+#   |     |   |   \  |   |
+#-----------------------------------------------------------------------
+# Copyright 2022, tyra - https://github.com/h4570/tyra
+# Licensed under Apache License 2.0
+# Sandro Sobczyński <sandro.sobczynski@gmail.com>
+*/
+
+#include "states/game/player/player.hpp"
+
+namespace Demo {
+
+Player::Player(Engine* engine)
+    : position(0.0F), weapon(engine), camera(&engine->pad) {
+  pair = new RendererStaticPair{weapon.mesh, weapon.options};
+  pad = &engine->pad;
+  position = Vec4(3.0F, 50.0F, 0.0F);
+  camera.lookAt = Vec4(0.0F, 0.0F, -30.0F);
+  speed = 6.0F;
+}
+
+Player::~Player() { delete pair; }
+
+void Player::update(const Heightmap& heightmap) {
+  float terrainHeight = heightmap.getHeightOffset(getPosition());
+
+  handlePlayerPosition(heightmap, terrainHeight);
+  camera.update(position, terrainHeight);
+  weapon.update();
+}
+
+PlayerShootAction Player::getShootAction() const {
+  PlayerShootAction action;
+  action.isShooting = weapon.isShooting;
+
+  if (action.isShooting) {
+    action.ray =
+        Ray(camera.position, (camera.lookAt - camera.position).getNormalized());
+  }
+
+  return action;
+}
+
+void Player::handlePlayerPosition(const Heightmap& heightmap,
+                                  const float& terrainHeight) {
+  const auto& leftJoy = pad->getLeftJoyPad();
+
+  auto normalizedCamera = Vec4(camera.unitCircle);
+  normalizedCamera.normalize();
+  normalizedCamera *= speed;
+
+  Vec4 nextPosition(position);
+  nextPosition.y = terrainHeight + 50.0F;
+
+  if (leftJoy.v <= 100) {
+    nextPosition.x += normalizedCamera.x;
+    nextPosition.z += normalizedCamera.z;
+  } else if (leftJoy.v >= 200) {
+    nextPosition.x += -normalizedCamera.x;
+    nextPosition.z += -normalizedCamera.z;
+  }
+  if (leftJoy.h <= 100) {
+    nextPosition.x += normalizedCamera.z;
+    nextPosition.z += -normalizedCamera.x;
+  } else if (leftJoy.h >= 200) {
+    nextPosition.x += -normalizedCamera.z;
+    nextPosition.z += normalizedCamera.x;
+  }
+
+  if (!heightmap.isOutside(nextPosition)) position = nextPosition;
+
+  camera.position = position;
+}
+
+}  // namespace Demo

demo/src/states/game/player/weapon.cpp

@@ -0,0 +1,131 @@
+/*
+# _____        ____   ___
+#   |     \/   ____| |___|
+#   |     |   |   \  |   |
+#-----------------------------------------------------------------------
+# Copyright 2022, tyra - https://github.com/h4570/tyra
+# Licensed under Apache License 2.0
+# Sandro Sobczyński <sandro.sobczynski@gmail.com>
+*/
+
+#include "states/game/player/weapon.hpp"
+
+using Tyra::FileUtils;
+using Tyra::ObjLoader;
+using Tyra::ObjLoaderOptions;
+
+namespace Demo {
+
+Weapon::Weapon(Engine* engine) {
+  ObjLoader loader;
+
+  ObjLoaderOptions objOptions;
+  objOptions.flipUVs = true;
+  objOptions.scale = .5F;
+
+  pad = &engine->pad;
+  audio = &engine->audio;
+  auto* repo = &engine->renderer.core.texture.repository;
+  auto data =
+      loader.load(FileUtils::fromCwd("game/models/ak47/ak47.obj"), objOptions);
+  data->loadNormals = false;
+  mesh = new StaticMesh(data.get());
+
+  mesh->translation.translateX(2.85F);
+  mesh->translation.translateY(-3.40F);
+  mesh->translation.translateZ(-10.50F);
+
+  mesh->rotation.rotateY(1.60F);
+  mesh->rotation.rotateZ(-6.30F);
+
+  mesh->scale.scale(0.5F);
+
+  repo->addByMesh(mesh, FileUtils::fromCwd("game/models/ak47/"), "png");
+
+  initialPosition = *mesh->getPosition();
+
+  allocateOptions();
+
+  shootAdpcm =
+      audio->adpcm.load(FileUtils::fromCwd("game/models/ak47/ak47.adpcm"));
+
+  isShootAnimation1 = isShootAnimation2 = false;
+
+  adpcmChannelsCount = 8;
+  adpcmCurrentChannel = 0;
+
+  const u8 shootVolume = 25;
+  for (u8 i = 0; i < adpcmChannelsCount; i++) {
+    audio->adpcm.setVolume(shootVolume, i);
+  }
+}
+
+Weapon::~Weapon() {
+  delete mesh;
+  delete options;
+  delete shootAdpcm;
+}
+
+u8 Weapon::getShootChannel() {
+  auto result = adpcmCurrentChannel++;
+
+  if (adpcmCurrentChannel >= adpcmChannelsCount) {
+    adpcmCurrentChannel = 0;
+  }
+  return result;
+}
+
+void Weapon::update() {
+  isShooting = false;
+
+  if (!isShootAnimation1 && !isShootAnimation2 && pad->getPressed().Cross) {
+    shoot();
+  }
+
+  auto* position = mesh->getPosition();
+
+  const float recoil = 0.5F;
+  const float speed = 500;
+
+  if (isShootAnimation1) {
+    position->z += recoil;
+    position->y -= recoil / 4;
+    if (shootTimer.getTimeDelta() > speed) {
+      isShootAnimation1 = false;
+      shootTimer.prime();
+      isShootAnimation2 = true;
+    }
+  }
+
+  if (isShootAnimation2) {
+    position->z -= recoil / 2;
+    position->y += recoil / 8;
+    if (shootTimer.getTimeDelta() > speed * 2) {
+      isShootAnimation2 = false;
+      *position = initialPosition;
+      if (pad->getPressed().Cross) {
+        shoot();
+      }
+    }
+  }
+}
+
+void Weapon::shoot() {
+  isShooting = true;
+  shootTimer.prime();
+  audio->adpcm.tryPlay(shootAdpcm, getShootChannel());
+  isShootAnimation1 = true;
+}
+
+void Weapon::allocateOptions() {
+  options = new StaPipOptions();
+  options->textureMappingType = Tyra::TyraNearest;
+  options->shadingType = Tyra::TyraShadingFlat;
+  options->blendingEnabled = false;
+  options->fullClipChecks = false;
+  options->frustumCulling = Tyra::PipelineFrustumCulling_None;
+  options->transformationType = Tyra::TyraMP;
+  options->antiAliasingEnabled = false;
+}
+
+}  // namespace Demo

demo/src/states/game/renderer/game_renderer.cpp

@@ -0,0 +1,89 @@
+/*
+# _____        ____   ___
+#   |     \/   ____| |___|
+#   |     |   |   \  |   |
+#-----------------------------------------------------------------------
+# Copyright 2022, tyra - https://github.com/h4570/tyra
+# Licensed under Apache License 2.0
+# Sandro Sobczyński <sandro.sobczynski@gmail.com>
+*/
+
+#include "states/game/renderer/game_renderer.hpp"
+
+using Tyra::Threading;
+
+namespace Demo {
+
+GameRenderer::GameRenderer(Renderer* t_renderer) {
+  renderer = t_renderer;
+
+  stpip.setRenderer(&renderer->core);
+  dypip.setRenderer(&renderer->core);
+}
+
+GameRenderer::~GameRenderer() {}
+
+void GameRenderer::add(std::vector<RendererStaticPair*> t_staticPairs) {
+  staticPairs.insert(staticPairs.end(), t_staticPairs.begin(),
+                     t_staticPairs.end());
+}
+
+void GameRenderer::add(std::vector<RendererDynamicPair*> t_dynamicPairs) {
+  dynamicPairs.insert(dynamicPairs.end(), t_dynamicPairs.begin(),
+                      t_dynamicPairs.end());
+}
+
+void GameRenderer::add(Sprite* sprite) { sprites.push_back(sprite); }
+
+void GameRenderer::add(const CoreBBox& bbox) { bboxes.push_back(bbox); }
+
+void GameRenderer::add(RendererStaticPair* staticPair) {
+  staticPairs.push_back(staticPair);
+}
+
+void GameRenderer::add(RendererDynamicPair* dynamicPair) {
+  dynamicPairs.push_back(dynamicPair);
+}
+
+void GameRenderer::clear() {
+  staticPairs.clear();
+  dynamicPairs.clear();
+  sprites.clear();
+  bboxes.clear();
+}
+
+void GameRenderer::render() {
+  // Render static stuff
+  if (staticPairs.size()) {
+    renderer->renderer3D.usePipeline(&stpip);
+
+    for (auto& pair : staticPairs) {
+      stpip.render(pair->mesh, pair->options);
+    }
+  }
+
+  Threading::switchThread();  // give some time for audio thread
+
+  // Render animated stuff
+  if (dynamicPairs.size()) {
+    renderer->renderer3D.usePipeline(&dypip);
+
+    for (auto& pair : dynamicPairs) {
+      dypip.render(pair->mesh, pair->options);
+    }
+  }
+
+  Threading::switchThread();
+
+  // Render debug stuff after stapip/dynpip, otherwise it will not be visible
+  for (auto& bbox : bboxes) {
+    renderer->renderer3D.utility.drawBBox(bbox);
+  }
+
+  // Render 2D
+  for (auto& sprite : sprites) {
+    renderer->renderer2D.render(sprite);
+  }
+}
+
+}  // namespace Demo

demo/src/states/game/ship/ship.cpp

@@ -0,0 +1,50 @@
+/*
+# _____        ____   ___
+#   |     \/   ____| |___|
+#   |     |   |   \  |   |
+#-----------------------------------------------------------------------
+# Copyright 2022, tyra - https://github.com/h4570/tyra
+# Licensed under Apache License 2.0
+# Sandro Sobczyński <sandro.sobczynski@gmail.com>
+*/
+
+#include "states/game/ship/ship.hpp"
+
+using Tyra::FileUtils;
+using Tyra::ObjLoader;
+using Tyra::ObjLoaderOptions;
+
+namespace Demo {
+
+Ship::Ship(TextureRepository* repo) {
+  ObjLoader loader;
+
+  ObjLoaderOptions objOptions;
+  objOptions.flipUVs = true;
+  objOptions.scale = 200.0F;
+
+  auto data =
+      loader.load(FileUtils::fromCwd("game/models/ship/ship.obj"), objOptions);
+  mesh = new StaticMesh(data.get());
+
+  for (std::size_t i = 0; i < mesh->materials.size(); i++) {
+    mesh->materials[i]->ambient /= 2.0F;
+    mesh->materials[i]->ambient.a = 128.0F;
+  }
+
+  mesh->setPosition(Vec4(-800.0F, 10.0F, -2500.0F));
+
+  allocateOptions();
+
+  pair = new RendererStaticPair{mesh, options};
+}
+
+Ship::~Ship() {
+  delete mesh;
+  delete options;
+  delete pair;
+}
+
+void Ship::allocateOptions() { options = new StaPipOptions(); }
+
+}  // namespace Demo

demo/src/states/game/skybox/skybox.cpp

@@ -0,0 +1,59 @@
+/*
+# _____        ____   ___
+#   |     \/   ____| |___|
+#   |     |   |   \  |   |
+#-----------------------------------------------------------------------
+# Copyright 2022, tyra - https://github.com/h4570/tyra
+# Licensed under Apache License 2.0
+# Sandro Sobczyński <sandro.sobczynski@gmail.com>
+*/
+
+#include "states/game/skybox/skybox.hpp"
+
+using Tyra::FileUtils;
+using Tyra::ObjLoader;
+using Tyra::ObjLoaderOptions;
+
+namespace Demo {
+
+Skybox::Skybox(TextureRepository* repo) {
+  ObjLoader loader;
+
+  ObjLoaderOptions objOptions;
+  objOptions.flipUVs = true;
+  objOptions.scale = 100.0F;
+
+  auto data = loader.load(FileUtils::fromCwd("game/models/skybox/skybox.obj"),
+                          objOptions);
+  data->loadNormals = false;
+  mesh = new StaticMesh(data.get());
+
+  repo->addByMesh(mesh, FileUtils::fromCwd("game/models/skybox/"), "png");
+
+  allocateOptions();
+
+  pair = new RendererStaticPair{mesh, options};
+}
+
+Skybox::~Skybox() {
+  delete mesh;
+  delete options;
+  delete pair;
+}
+
+void Skybox::update(const Vec4& playerPosition) {
+  mesh->translation.identity();
+  mesh->translation.translate(playerPosition);
+}
+
+void Skybox::allocateOptions() {
+  options = new StaPipOptions();
+  options->frustumCulling = Tyra::PipelineFrustumCulling_None;
+  options->shadingType = Tyra::TyraShadingGouraud;
+  options->zTestType = Tyra::PipelineZTest_AllPass;
+  options->textureMappingType = Tyra::TyraNearest;
+  options->blendingEnabled = true;
+  options->antiAliasingEnabled = false;
+}
+
+}  // namespace Demo

demo/src/states/game/terrain/heightmap.cpp

@@ -0,0 +1,113 @@
+/*
+# _____        ____   ___
+#   |     \/   ____| |___|
+#   |     |   |   \  |   |
+#-----------------------------------------------------------------------
+# Copyright 2022, tyra - https://github.com/h4570/tyra
+# Licensed under Apache License 2.0
+# Sandro Sobczyński <sandro.sobczynski@gmail.com>
+*/
+
+#include "states/game/terrain/heightmap.hpp"
+
+using Tyra::FileUtils;
+using Tyra::PngLoader;
+using Tyra::PngPixel3;
+using Tyra::Vec4;
+
+namespace Demo {
+
+Heightmap::Heightmap(const float& t_minHeight, const float& t_maxHeight,
+                     const Vec4& t_leftUp, const Vec4& t_rightDown)
+    : minHeight(t_minHeight),
+      maxHeight(t_maxHeight),
+      leftUp(t_leftUp),
+      rightDown(t_rightDown) {
+  PngLoader loader;
+  auto* data =
+      loader.load(FileUtils::fromCwd("game/models/terrain/heightmap.png"));
+
+  allocateMap(data->data, data->width, data->height);
+
+  delete data;
+}
+
+bool Heightmap::isOutside(const Vec4& position) const {
+  return position.x <= leftUp.x || position.x >= rightDown.x ||
+         position.z <= leftUp.z || position.z >= rightDown.z;
+}
+
+Heightmap::~Heightmap() {
+  if (map) {
+    for (int i = 0; i < mapHeight; i++) {
+      delete[] map[i];
+    }
+    delete[] map;
+  }
+}
+
+const float& Heightmap::getHeightOffset(const Vec4& playerPosition) const {
+  float widthPercentage = getWidthPercentage(playerPosition);
+  float heightPercentage = getHeightPercentage(playerPosition);
+
+  auto x = static_cast<s16>(widthPercentage * mapWidth);
+  auto y = static_cast<s16>(heightPercentage * mapHeight);
+
+  TYRA_ASSERT(x >= 0 && x < mapWidth, "x is out of range");
+  TYRA_ASSERT(y >= 0 && y < mapHeight, "y is out of range");
+
+  return map[x][y];
+}
+
+float Heightmap::getWidthPercentage(const Vec4& playerPosition) const {
+  return (playerPosition.x - leftUp.x) / (rightDown.x - leftUp.x);
+}
+
+float Heightmap::getHeightPercentage(const Vec4& playerPosition) const {
+  return (playerPosition.z - leftUp.z) / (rightDown.z - leftUp.z);
+}
+
+void Heightmap::allocateMap(const unsigned char* data, const int& width,
+                            const int& height) {
+  auto* pixels = (struct PngPixel3*)data;
+
+  u8 min = pixels[0].r;  // in grayscale every r,g,b is the same
+  u8 max = pixels[0].r;
+
+  // Get min and max
+  for (int i = 0; i < width * height; i++) {
+    const auto& value = pixels[i].r;
+    if (value < min) {
+      min = value;
+    }
+    if (value > max) {
+      max = value;
+    }
+  }
+
+  // Allocate
+  mapWidth = width;
+  mapHeight = height;
+  map = new float*[width];
+  for (int i = 0; i < width; i++) {
+    map[i] = new float[height];
+  }
+
+  // Fill
+  int k = 0;
+  for (int j = 0; j < height; j++) {
+    for (int i = 0; i < width; i++) {
+      map[i][j] = getGameHeight(pixels[k++].r, min, max);
+    }
+  }
+}
+
+float Heightmap::getGameHeight(const u8& inputColor, const u8& minColor,
+                               const u8& maxColor) const {
+  const float mapRange = maxColor - minColor;
+  const float gameRange = maxHeight - minHeight;
+
+  return (inputColor - minColor) / mapRange * gameRange + minHeight;
+}
+
+}  // namespace Demo

demo/src/states/game/terrain/terrain.cpp

@@ -0,0 +1,60 @@
+/*
+# _____        ____   ___
+#   |     \/   ____| |___|
+#   |     |   |   \  |   |
+#-----------------------------------------------------------------------
+# Copyright 2022, tyra - https://github.com/h4570/tyra
+# Licensed under Apache License 2.0
+# Sandro Sobczyński <sandro.sobczynski@gmail.com>
+*/
+
+#include "states/game/terrain/terrain.hpp"
+
+using Tyra::FileUtils;
+using Tyra::ObjLoader;
+using Tyra::ObjLoaderOptions;
+
+namespace Demo {
+Terrain::Terrain(TextureRepository* repo)
+    : heightmap(-70.0F,                               // Min height
+                240.0F,                               // Max height
+                Vec4(-750.0F, 0.0F, -1400.0F, 1.0F),  // Left up
+                Vec4(920.0F, 0.0F, 1520.0F, 1.0F)     // Right down
+      ) {
+  ObjLoader loader;
+
+  ObjLoaderOptions objOptions;
+  objOptions.flipUVs = true;
+  objOptions.scale = 100.0F;
+
+  auto data = loader.load(FileUtils::fromCwd("game/models/terrain/terrain.obj"),
+                          objOptions);
+  data->loadNormals = false;
+  mesh = new StaticMesh(data.get());
+
+  repo->addByMesh(mesh, FileUtils::fromCwd("game/models/terrain/"), "png");
+
+  allocateOptions();
+
+  pair = new RendererStaticPair{mesh, options};
+}
+
+float Terrain::getHeightOffset(const Vec4& playerPosition) {
+  return heightmap.getHeightOffset(playerPosition);
+}
+
+Terrain::~Terrain() {
+  delete mesh;
+  delete options;
+  delete pair;
+}
+
+void Terrain::allocateOptions() {
+  options = new StaPipOptions();
+  options->frustumCulling = Tyra::PipelineFrustumCulling_None;
+  options->shadingType = Tyra::TyraShadingGouraud;
+  options->blendingEnabled = true;
+  options->antiAliasingEnabled = false;
+}
+
+}  // namespace Demo

demo/src/states/intro/intro_state.cpp

@@ -0,0 +1,62 @@
+/*
+# _____        ____   ___
+#   |     \/   ____| |___|
+#   |     |   |   \  |   |
+#-----------------------------------------------------------------------
+# Copyright 2022, tyra - https://github.com/h4570/tyra
+# Licensed under Apache License 2.0
+# Sandro Sobczyński <sandro.sobczynski@gmail.com>
+*/
+
+#include "states/intro/intro_state.hpp"
+
+#include "states/intro/states/intro_ps2dev_state.hpp"
+#include "states/intro/states/intro_tyra_state.hpp"
+#include "states/intro/states/intro_press_key_state.hpp"
+
+using Tyra::FileUtils;
+
+namespace Demo {
+
+IntroState::IntroState(Engine* t_engine)
+    : State(t_engine), stateManager(STATE_PS2DEV, STATE_INTRO_END) {
+  state = STATE_INTRO;
+  _wantFinish = false;
+  initialized = false;
+}
+
+IntroState::~IntroState() {}
+
+void IntroState::onStart() {
+  TYRA_LOG("Intro. RAM: ", engine->info.getAvailableRAM(), "MB");
+
+  engine->audio.song.load(FileUtils::fromCwd("intro/intro.wav"));
+  engine->audio.song.inLoop = false;
+  engine->audio.song.setVolume(80);
+  engine->audio.song.play();
+
+  stateManager.add(new IntroPs2DevState(engine));
+  stateManager.add(new IntroTyraState(engine));
+  stateManager.add(new IntroPressKeyState(engine));
+
+  initialized = true;
+}
+
+GlobalStateType IntroState::onFinish() {
+  if (!initialized) return STATE_LOADING;
+
+  stateManager.freeAll();
+
+  initialized = false;
+  return STATE_LOADING;
+}
+
+void IntroState::update() {
+  stateManager.update();
+
+  if (stateManager.finished()) {
+    _wantFinish = true;
+  }
+}
+
+}  // namespace Demo

demo/src/states/intro/states/intro_press_key_state.cpp

@@ -0,0 +1,198 @@
+/*
+# _____        ____   ___
+#   |     \/   ____| |___|
+#   |     |   |   \  |   |
+#-----------------------------------------------------------------------
+# Copyright 2022, tyra - https://github.com/h4570/tyra
+# Licensed under Apache License 2.0
+# Sandro Sobczyński <sandro.sobczynski@gmail.com>
+*/
+
+#include "states/intro/states/intro_press_key_state.hpp"
+#include <string>
+
+using Tyra::FileUtils;
+using Tyra::Math;
+using Tyra::PngLoader;
+using Tyra::SpriteMode;
+using Tyra::Threading;
+
+namespace Demo {
+
+IntroPressKeyState::IntroPressKeyState(Engine* t_engine)
+    : State(t_engine), mapPosition(0.0F, 0.0F) {
+  state = STATE_PRESS_KEY;
+  _wantFinish = false;
+  mapDirection = 0;
+  mapFadeIn = true;
+  fillerFadeIn = false;
+  showPressKey = false;
+  pressKeyAlphaToggle = false;
+  pressKeyAlphaDelayer = 0;
+  fillersOffset = -512.0F;
+}
+
+IntroPressKeyState::~IntroPressKeyState() {}
+
+void IntroPressKeyState::onStart() {
+  TYRA_LOG("Intro - presskey. RAM: ", engine->info.getAvailableRAM(), "MB");
+
+  for (u8 i = 0; i < mapRows; i++) {
+    for (u8 j = 0; j < mapCols; j++) {
+      mapSprites[i][j] = new Sprite;
+      mapSprites[i][j]->color.a = 0.0F;
+      mapSprites[i][j]->mode = SpriteMode::MODE_STRETCH;
+      mapSprites[i][j]->size.set(textureWidthHeight, textureWidthHeight);
+      mapSprites[i][j]->position.set(i * textureWidthHeight,
+                                     j * textureWidthHeight);
+
+      std::string filename =
+          "map-" + std::to_string(i) + "-" + std::to_string(j);
+      std::string path = "intro/map/" + filename + ".png";
+
+      mapTextures[i][j] = engine->renderer.core.texture.repository.add(
+          FileUtils::fromCwd(path));
+      mapTextures[i][j]->addLink(mapSprites[i][j]->id);
+    }
+  }
+
+  fillerSprite = new Sprite;
+  fillerSprite->size.set(256.0F, 50.0F);
+  fillerSprite->position.set(0.0F, 224.0F - 25.0F);
+
+  fillerTexture = engine->renderer.core.texture.repository.add(
+      FileUtils::fromCwd("intro/filler.png"));
+  fillerTexture->addLink(fillerSprite->id);
+
+  pressKeySprite = new Sprite;
+  pressKeySprite->size.set(256.0F, 64.0F);
+  pressKeySprite->scale = 0.5F;
+  pressKeySprite->position.set(192.0F, 380.0F);
+
+  pressKeyTexture = engine->renderer.core.texture.repository.add(
+      FileUtils::fromCwd("intro/press-key.png"));
+  pressKeyTexture->addLink(pressKeySprite->id);
+
+  logoSprite = new Sprite;
+  logoSprite->size.set(256.0F, 128.0F);
+  logoSprite->position.set(256.0F - 128.0F, 224.0F - 64.0F);
+
+  logoTexture = engine->renderer.core.texture.repository.add(
+      FileUtils::fromCwd("intro/lastalive.png"));
+  logoTexture->addLink(logoSprite->id);
+
+  initialized = true;
+}
+
+IntroStateType IntroPressKeyState::onFinish() {
+  if (!initialized) return STATE_INTRO_END;
+
+  for (u8 i = 0; i < mapRows; i++)
+    for (u8 j = 0; j < mapCols; j++) {
+      engine->renderer.core.texture.repository.free(mapTextures[i][j]->id);
+      delete mapSprites[i][j];
+    }
+
+  engine->renderer.core.texture.repository.free(fillerTexture->id);
+  delete fillerSprite;
+
+  engine->renderer.core.texture.repository.free(logoTexture->id);
+  delete logoSprite;
+
+  engine->renderer.core.texture.repository.free(pressKeyTexture->id);
+  delete pressKeySprite;
+
+  initialized = false;
+  return STATE_INTRO_END;
+}
+
+void IntroPressKeyState::update() {
+  engine->renderer.beginFrame();
+
+  if (mapDirection == 0 &&
+      mapPosition.x >= textureWidthHeight * (mapRows - 1) &&
+      mapPosition.y >= textureWidthHeight * (mapCols - 1)) {
+    mapDirection = 1;
+  } else if (mapDirection == 1 && mapPosition.x <= 0.0F &&
+             mapPosition.y <= 0.0F) {
+    mapDirection = 0;
+  }
+
+  if (engine->pad.getClicked().Cross) {
+    _wantFinish = true;
+  }
+
+  const float offset = 0.1F;
+  if (mapDirection == 0) {
+    mapPosition += offset;
+  } else if (mapDirection == 1) {
+    mapPosition -= offset;
+  }
+
+  if (mapFadeIn) {
+    for (u8 i = 0; i < mapRows; i++) {
+      for (u8 j = 0; j < mapCols; j++) {
+        auto* sprite = mapSprites[i][j];
+        if (sprite->color.a >= 16.0F && sprite->color.a < 32.0F) {
+          fillerFadeIn = true;
+        }
+        if (sprite->color.a < 96.0F) {
+          sprite->color.a += 0.2F;
+        } else {
+          mapFadeIn = false;
+        }
+      }
+    }
+  }
+
+  if (fillerFadeIn) {
+    if (fillersOffset < -1.0F) {
+      fillersOffset += 4.0F;
+    } else {
+      fillerFadeIn = false;
+      showPressKey = true;
+    }
+  }
+
+  updateMap();
+
+  Threading::switchThread();
+
+  for (u8 i = 0; i < mapRows; i++)
+    for (u8 j = 0; j < mapCols; j++)
+      engine->renderer.renderer2D.render(mapSprites[i][j]);
+
+  renderFiller();
+  engine->renderer.renderer2D.render(logoSprite);
+
+  if (showPressKey) {
+    if (pressKeyAlphaDelayer++ > 50) {
+      pressKeyAlphaToggle = !pressKeyAlphaToggle;
+      pressKeyAlphaDelayer = 0;
+    }
+
+    if (pressKeyAlphaToggle) {
+      engine->renderer.renderer2D.render(pressKeySprite);
+    }
+  }
+
+  engine->renderer.endFrame();
+}
+
+void IntroPressKeyState::renderFiller() {
+  fillerSprite->position.x = -1.0F + fillersOffset;
+  engine->renderer.renderer2D.render(fillerSprite);
+  fillerSprite->position.x = 255.0F + fillersOffset;
+  engine->renderer.renderer2D.render(fillerSprite);
+}
+
+void IntroPressKeyState::updateMap() {
+  for (u8 i = 0; i < mapRows; i++)
+    for (u8 j = 0; j < mapCols; j++) {
+      mapSprites[i][j]->position.x =
+          i * (textureWidthHeight + 1.0F) - mapPosition.x;
+      mapSprites[i][j]->position.y =
+          j * (textureWidthHeight + 1.0F) - mapPosition.y;
+    }
+}
+}  // namespace Demo

demo/src/states/intro/states/intro_ps2dev_state.cpp

@@ -0,0 +1,104 @@
+/*
+# _____        ____   ___
+#   |     \/   ____| |___|
+#   |     |   |   \  |   |
+#-----------------------------------------------------------------------
+# Copyright 2022, tyra - https://github.com/h4570/tyra
+# Licensed under Apache License 2.0
+# Sandro Sobczyński <sandro.sobczynski@gmail.com>
+*/
+
+#include "states/intro/states/intro_ps2dev_state.hpp"
+
+using Tyra::FileUtils;
+using Tyra::PngLoader;
+using Tyra::Threading;
+
+namespace Demo {
+
+IntroPs2DevState::IntroPs2DevState(Engine* t_engine) : State(t_engine) {
+  state = STATE_PS2DEV;
+  _wantFinish = false;
+  initialized = false;
+  initialDelayElapsed = false;
+  frameSkipper = 0;
+  fadeinActivated = true;
+  fadeoutActivated = false;
+}
+
+IntroPs2DevState::~IntroPs2DevState() {}
+
+void IntroPs2DevState::onStart() {
+  TYRA_LOG("Intro - ps2dev. RAM: ", engine->info.getAvailableRAM(), "MB");
+
+  const auto& settings = engine->renderer.core.getSettings();
+
+  initialDelayTimer.prime();
+
+  sprite = new Sprite;
+  sprite->size.set(256.0F, 64.0F);
+  sprite->position.set(settings.getWidth() / 2 - sprite->size.x / 2,
+                       settings.getHeight() / 2 - sprite->size.y / 2);
+  sprite->color.a = 0;
+
+  Threading::switchThread();
+
+  texture = engine->renderer.core.texture.repository.add(
+      FileUtils::fromCwd("intro/ps2dev.png"));
+  texture->addLink(sprite->id);
+
+  initialized = true;
+}
+
+IntroStateType IntroPs2DevState::onFinish() {
+  if (!initialized) return STATE_TYRA;
+
+  delete sprite;
+  engine->renderer.core.texture.repository.free(texture->id);
+
+  initialized = false;
+  return STATE_TYRA;
+}
+
+void IntroPs2DevState::update() {
+  engine->renderer.beginFrame();
+
+  if (initialDelayTimer.getTimeDelta() >= 60000) initialDelayElapsed = true;
+
+  if (engine->pad.getClicked().Cross) {
+    _wantFinish = true;
+  }
+
+  frameSkipper++;
+  if (frameSkipper > 3) {
+    frameSkipper = 0;
+  }
+
+  if (fadeinActivated && initialDelayElapsed && frameSkipper == 0) {
+    if (sprite->color.a < 128.0F)
+      sprite->color.a += 2.0F;
+    else {
+      fadeoutActivated = true;
+      fadeinActivated = false;
+    }
+    if (sprite->color.a >= 96.0F && sprite->color.a < 128.0F) {
+      sprite->color.g -= 6.0F;
+      sprite->color.b -= 6.0F;
+    }
+  }
+
+  Threading::switchThread();
+
+  if (fadeoutActivated && frameSkipper == 0) {
+    if (sprite->color.a > 0)
+      sprite->color.a -= 4;
+    else
+      _wantFinish = true;
+  }
+
+  engine->renderer.renderer2D.render(sprite);
+
+  engine->renderer.endFrame();
+}
+
+}  // namespace Demo

demo/src/states/intro/states/intro_tyra_state.cpp

@@ -0,0 +1,180 @@
+/*
+# _____        ____   ___
+#   |     \/   ____| |___|
+#   |     |   |   \  |   |
+#-----------------------------------------------------------------------
+# Copyright 2022, tyra - https://github.com/h4570/tyra
+# Licensed under Apache License 2.0
+# Sandro Sobczyński <sandro.sobczynski@gmail.com>
+*/
+
+#include "states/intro/states/intro_tyra_state.hpp"
+
+using Tyra::FileUtils;
+using Tyra::Math;
+using Tyra::PngLoader;
+using Tyra::Threading;
+
+namespace Demo {
+
+IntroTyraState::IntroTyraState(Engine* t_engine) : State(t_engine) {
+  state = STATE_TYRA;
+  _wantFinish = false;
+  initialized = false;
+  initialDelayElapsed = false;
+  animActivated = true;
+  fadeoutActivated = false;
+  frameSkipper = 0;
+}
+
+IntroTyraState::~IntroTyraState() {}
+
+void IntroTyraState::onStart() {
+  TYRA_LOG("Intro - tyra. RAM: ", engine->info.getAvailableRAM(), "MB");
+
+  const auto& settings = engine->renderer.core.getSettings();
+
+  initialDelayTimer.prime();
+
+  tyraSprite = new Sprite;
+  tyraSprite->size.set(256.0F, 64.0F);
+  tyraSprite->position.set(settings.getWidth() / 2 - tyraSprite->size.x / 2,
+                           settings.getHeight() / 2 - tyraSprite->size.y / 2);
+
+  bgSprite = new Sprite;
+  bgSprite->size.set(256.0F, 256.0F);
+  bgSprite->position.set(settings.getWidth() / 2 - bgSprite->size.x / 2,
+                         settings.getHeight() / 3 * 2.0F);
+
+  bg2Sprite = new Sprite;
+  bg2Sprite->size.set(256.0F, 256.0F);
+  bg2Sprite->position.set(
+      settings.getWidth() / 2 - bg2Sprite->size.x / 2,
+      (settings.getHeight() / 3 * 2.0F) + bg2Sprite->size.y + 1.0F);
+
+  fillerSprite = new Sprite;
+  fillerSprite->size.set(256.0F, 256.0F);
+  fillerSprite->position.set(0.0F, 0.0F);
+
+  tyraTexture = engine->renderer.core.texture.repository.add(
+      FileUtils::fromCwd("intro/tyra.png"));
+  tyraTexture->addLink(tyraSprite->id);
+
+  bgTexture = engine->renderer.core.texture.repository.add(
+      FileUtils::fromCwd("intro/tyra_bg.png"));
+  bgTexture->addLink(bgSprite->id);
+
+  Threading::switchThread();
+
+  bg2Texture = engine->renderer.core.texture.repository.add(
+      FileUtils::fromCwd("intro/tyra_bg2.png"));
+  bg2Texture->addLink(bg2Sprite->id);
+
+  fillerTexture = engine->renderer.core.texture.repository.add(
+      FileUtils::fromCwd("intro/filler.png"));
+  fillerTexture->addLink(fillerSprite->id);
+
+  initialized = true;
+}
+
+IntroStateType IntroTyraState::onFinish() {
+  if (!initialized) return STATE_PRESS_KEY;
+
+  engine->renderer.core.texture.repository.free(tyraTexture->id);
+  engine->renderer.core.texture.repository.free(bgTexture->id);
+  engine->renderer.core.texture.repository.free(bg2Texture->id);
+  engine->renderer.core.texture.repository.free(fillerTexture->id);
+
+  delete tyraSprite;
+  delete bgSprite;
+  delete bg2Sprite;
+  delete fillerSprite;
+
+  initialized = false;
+  return STATE_PRESS_KEY;
+}
+
+void IntroTyraState::update() {
+  engine->renderer.beginFrame();
+
+  if (initialDelayTimer.getTimeDelta() >= 15000) initialDelayElapsed = true;
+
+  frameSkipper++;
+  if (frameSkipper > 3) {
+    frameSkipper = 0;
+  }
+
+  if (engine->pad.getClicked().Cross) {
+    _wantFinish = true;
+  }
+
+  const float slideUpMaxPost = -128.0F;
+
+  if (initialDelayElapsed) {
+    if (bgSprite->position.y <= 32.0F) fadeoutActivated = true;
+
+    float offset = 1.0F;
+    if (bgSprite->position.y > slideUpMaxPost && bgSprite->position.y <= 64.0F)
+      offset /= 1.6F;
+    else if (bgSprite->position.y > 64.0F && bgSprite->position.y <= 128.0F)
+      offset /= 1.2F;
+
+    if (bgSprite->position.y > 32.0F && bgSprite->position.y <= 64.0F &&
+        bgSprite->color.g > 0.0F) {
+      const float colorOffset = 1.5F;
+      bgSprite->color.g -= colorOffset;
+      bgSprite->color.b -= colorOffset;
+      bg2Sprite->color.g -= colorOffset;
+      bg2Sprite->color.b -= colorOffset;
+    }
+
+    if (bgSprite->position.y > slideUpMaxPost) {
+      bgSprite->position.y -= offset;
+      bg2Sprite->position.y -= offset;
+    }
+  }
+
+  if (fadeoutActivated && frameSkipper == 0) {
+    if (bgSprite->color.a > 0) {
+      bgSprite->color.a -= 4.0F;
+      bg2Sprite->color.a -= 4.0F;
+    } else
+      _wantFinish = true;
+  }
+
+  Threading::switchThread();
+
+  engine->renderer.renderer2D.render(bgSprite);
+  engine->renderer.renderer2D.render(bg2Sprite);
+  engine->renderer.renderer2D.render(tyraSprite);
+
+  renderFillers();
+
+  engine->renderer.endFrame();
+}
+
+void IntroTyraState::renderFillers() {
+  // Up
+  fillerSprite->position.set(0.0F, -63.0F);
+  engine->renderer.renderer2D.render(fillerSprite);
+
+  fillerSprite->position.set(256.0F, -63.0F);
+  engine->renderer.renderer2D.render(fillerSprite);
+
+  // Left
+  fillerSprite->position.set(-124.0F, 128.0F);
+  engine->renderer.renderer2D.render(fillerSprite);
+
+  // Down
+  fillerSprite->position.set(0.0F, 256.0F);
+  engine->renderer.renderer2D.render(fillerSprite);
+
+  fillerSprite->position.set(256.0F, 256.0F);
+  engine->renderer.renderer2D.render(fillerSprite);
+
+  // Right
+  fillerSprite->position.set(386.0F, 128.0F);
+  engine->renderer.renderer2D.render(fillerSprite);
+}
+
+}  // namespace Demo

demo/src/states/loading/loading_state.cpp

@@ -0,0 +1,72 @@
+/*
+# _____        ____   ___
+#   |     \/   ____| |___|
+#   |     |   |   \  |   |
+#-----------------------------------------------------------------------
+# Copyright 2022, tyra - https://github.com/h4570/tyra
+# Licensed under Apache License 2.0
+# Sandro Sobczyński <sandro.sobczynski@gmail.com>
+*/
+
+#include <tyra>
+#include "states/loading/loading_state.hpp"
+#include <memory>
+
+using std::make_unique;
+using std::unique_ptr;
+using Tyra::FileUtils;
+using Tyra::Sprite;
+
+namespace Demo {
+
+LoadingState::LoadingState(Engine* t_engine) : State(t_engine) {
+  state = STATE_LOADING;
+  _wantFinish = false;
+  initialized = false;
+}
+
+LoadingState::~LoadingState() {}
+
+void LoadingState::onStart() {
+  TYRA_LOG("Loading. RAM: ", engine->info.getAvailableRAM(), "MB");
+
+  auto* repo = &engine->renderer.core.texture.repository;
+
+  auto fillerTexture = repo->add(FileUtils::fromCwd("loading/filler.png"));
+  auto loadingTexture = repo->add(FileUtils::fromCwd("loading/loading.png"));
+
+  auto fillerSprite = make_unique<Sprite>();
+  auto loadingSprite = make_unique<Sprite>();
+
+  fillerSprite->position.set(0.0F, 0.0F);
+  fillerSprite->size.set(600.0F, 600.0F);
+  fillerSprite->mode = Tyra::MODE_STRETCH;
+
+  loadingSprite->size.set(128.0F, 64.0F);
+  loadingSprite->mode = Tyra::MODE_STRETCH;
+  loadingSprite->position.set(5.0F, 448.0F - 64.0F - 5.0F);
+
+  fillerTexture->addLink(fillerSprite->id);
+  loadingTexture->addLink(loadingSprite->id);
+
+  engine->renderer.beginFrame();
+  engine->renderer.renderer2D.render(fillerSprite.get());
+  engine->renderer.renderer2D.render(loadingSprite.get());
+  engine->renderer.endFrame();
+
+  repo->free(fillerTexture->id);
+  repo->free(loadingTexture->id);
+
+  initialized = true;
+}
+
+GlobalStateType LoadingState::onFinish() {
+  if (!initialized) return STATE_GAME;
+
+  initialized = false;
+  return STATE_GAME;
+}
+
+void LoadingState::update() { _wantFinish = true; }
+
+}  // namespace Demo

docker-compose.yml

@@ -0,0 +1,14 @@
+version: "3.9"
+volumes:
+  tyra-volume:
+services:
+  compiler:
+    environment:
+      TERM: xterm-256color
+    network_mode: host
+    image: "h4570/tyra"
+    tty: true
+    container_name: tyra-compiler
+    volumes:
+      - tyra-volume:/src
+      - ./:/host

docs/install/README.MD

@@ -0,0 +1,25 @@
+# Installing Tyra
+
+[![](https://img.shields.io/badge/Install%20time-5%20minutes-brightgreen)](#)
+
+## Prerequisites:
+1. Git
+2. VSCode
+3. Docker with PowerShell as a default terminal
+4. [PCSX2](https://github.com/h4570/tyra/blob/master/docs/install/pcsx2.md#)
+
+---
+
+## Steps:
+1. Download [intellisense package](https://github.com/h4570/tyra/releases) and unzip it somewhere in your computer.
+2. Open terminal in your favourite repositories directory and execute: 
+```
+docker pull h4570/tyra
+git clone https://github.com/h4570/tyra.git
+```
+3. Open `VSCode` and open previously cloned directory.
+4. In `VSCode` open `.vscode/configurations/windows-docker` and copy configuration files into `.vscode/`
+5. In `c_cpp_properties.json` fix all `YOUR-INTELLISENSE-PATH` with path from point 2.
+6. Click `CTRL+SHIFT+P`, type `Tasks: Run task` and run `Start docker container` - Repeat this step every time you want to start working with Tyra (every reboot)
+7. Click `CTRL+SHIFT+P`, type `Tasks: Run build task`
+8. Tyra should automatically compile engine, `demo` game and run `PCSX2`. If you want to compile & run tutorials, please change `buildDirectory` in `settings.json` to example `tutorials/01-hello`

docs/install/pcsx2.md

@@ -0,0 +1,21 @@
+## Install & configure PCSX2
+
+- Download & install PCSX2 (1.6+ version) from https://pcsx2.net/
+- Extract bios files from https://romsmania.cc/bios/pcsx2-playstation-2-bios-3 to `%UserProfile%\Documents\PCSX2\bios`
+- Close `PCSX2` if you have opened!
+- Open `%UserProfile%\Documents\PCSX2\inis\PCSX2_vm.ini` in notepad
+
+```
+HostFs=enabled
+```
+
+- Open PCSX2 and map pad to your keyboard, for example:
+
+```
+WASD = Left joy
+Arrows = Right joy
+Space = X
+Circle = C
+```
+
+- Enable **"EE timing hack"** in PCSX2 hacks!

engine/Makefile

@@ -0,0 +1,26 @@
+TARGET		:= libtyra.a
+
+#The Directories, Source, Includes, Objects, Binary and Resources
+SRCDIR      := src
+INCDIR      := inc
+BUILDDIR    := obj
+TARGETDIR   := bin
+RESDIR      := res
+SRCEXT      := cpp
+VSMEXT		:= vsm
+VCLEXT		:= vcl
+VCLPPEXT	:= vclpp
+DEPEXT      := d
+OBJEXT      := o
+
+#Flags, Libraries and Includes
+CFLAGS      := 
+LIB         := 
+LIBDIRS     := 
+INC         := -I$(INCDIR)
+INCDEP      := -I$(INCDIR)
+
+include ../Makefile.base
+
+$(TARGET): $(OBJECTS) $(VCL_OBJECTS) $(VU_OBJECTS_VCL) $(VU_OBJECTS_VSM) $(IRXEM_OBJECTS)
+	$(AR) rcs $(TARGETDIR)/$(TARGET) $(OBJECTS) $(VCL_OBJECTS) $(VU_OBJECTS_VCL) $(VU_OBJECTS_VSM) $(IRXEM_OBJECTS)

engine/bin/.gitignore

@@ -0,0 +1,4 @@
+# Ignore everything in this directory
+*
+# Except this file
+!.gitignore

engine/inc/audio/adpcm_result.hpp

@@ -0,0 +1,28 @@
+/*
+# _____        ____   ___
+#   |     \/   ____| |___|
+#   |     |   |   \  |   |
+#-----------------------------------------------------------------------
+# Copyright 2022-2022, Tyra - https://github.com/h4570/tyrav2
+# Licensed under Apache License 2.0
+# Sandro Sobczyński <sandro.sobczynski@gmail.com>
+# Wellinator Carvalho <wellcoj@gmail.com>
+*/
+
+#pragma once
+
+namespace Tyra {
+
+enum AdpcmResult {
+  ADPCM_OK,
+
+  /** When provided channel by user is currently in use */
+  ADPCM_CHANNEL_USED,
+
+  /** When user did not provided channel and all are in use */
+  ADPCM_NO_FREE_CHANNELS,
+
+  ADPCM_ERROR
+};
+
+}  // namespace Tyra

engine/inc/audio/audio.hpp

@@ -0,0 +1,42 @@
+/*
+# _____        ____   ___
+#   |     \/   ____| |___|
+#   |     |   |   \  |   |
+#-----------------------------------------------------------------------
+# Copyright 2022-2022, Tyra - https://github.com/h4570/tyrav2
+# Licensed under Apache License 2.0
+# Sandro Sobczyński <sandro.sobczynski@gmail.com>
+# Wellinator Carvalho <wellcoj@gmail.com>
+*/
+
+#pragma once
+
+#include "./audio_adpcm.hpp"
+#include "./audio_song.hpp"
+
+namespace Tyra {
+
+/** Class responsible for audio. */
+class Audio {
+ public:
+  Audio();
+  ~Audio();
+
+  void init();
+
+  AudioSong song;
+  AudioAdpcm adpcm;
+
+  void work();
+
+ private:
+  ee_thread_t thread;
+  int threadId;
+  static const u16 threadStackSize;
+  u8* threadStack;
+
+  void initAUDSRV();
+  void initThread();
+};
+
+}  // namespace Tyra

engine/inc/audio/audio_adpcm.hpp

@@ -0,0 +1,77 @@
+/*
+# _____        ____   ___
+#   |     \/   ____| |___|
+#   |     |   |   \  |   |
+#-----------------------------------------------------------------------
+# Copyright 2022-2022, Tyra - https://github.com/h4570/tyrav2
+# Licensed under Apache License 2.0
+# Sandro Sobczyński <sandro.sobczynski@gmail.com>
+# Wellinator Carvalho <wellcoj@gmail.com>
+*/
+
+#pragma once
+
+#include "./audio_listener_ref.hpp"
+#include "./adpcm_result.hpp"
+#include <audsrv.h>
+#include <string>
+
+namespace Tyra {
+
+/**
+ * Class responsible for playing ADPCM samples.
+ * ADPCM sample can't be stopped.
+ */
+class AudioAdpcm {
+ public:
+  AudioAdpcm();
+  ~AudioAdpcm();
+
+  void init();
+
+  /**
+   * Load ADPCM sample.
+   * ADPCM sample is an output from "Convert WAV to ADPCM" task (adpenc tool).
+   * Adpenc expects 22kHz 16bit file.
+   * @param t_path Example: "host:hit.adpcm" or "host:folder/jump.adpcm"
+   */
+  audsrv_adpcm_t* load(const char* t_path);
+  audsrv_adpcm_t* load(const std::string& t_path);
+
+  /**
+   * Frees up all memory taken by samples, and stops all voices from
+   * being played.
+   */
+  void reset();
+
+  /**
+   * Try play ADPCM sample if channel(s) is not occupied.
+   * @param t_adpcm ADPCM data, created by load();
+   * @param t_ch Channel (0-23). Type -1 for use any free channel.
+   */
+  AdpcmResult tryPlay(audsrv_adpcm_t* t_adpcm);
+  AdpcmResult tryPlay(audsrv_adpcm_t* t_adpcm, const s8& t_ch);
+
+  /**
+   * Play ADPCM sample, if channel is occupied, wait for it.
+   * If not used properly, can hugely reduce performance.
+   * @param t_adpcm ADPCM data, created by load();
+   * @param t_ch Channel (0-23). Type -1 for use any free channel.
+   */
+  void playWait(audsrv_adpcm_t* t_adpcm);
+  void playWait(audsrv_adpcm_t* t_adpcm, const s8& t_ch);
+
+  /**
+   * Set ADPCM volume.
+   * @param t_vol Value 0-100
+   * @param t_ch Channel (0-23)
+   */
+  void setVolume(const u8& t_vol, const s8& t_ch) {
+    audsrv_adpcm_set_volume(t_ch, t_vol);
+  }
+
+ private:
+  void initAUDSRV();
+};
+
+}  // namespace Tyra

engine/inc/audio/audio_listener.hpp

@@ -0,0 +1,25 @@
+/*
+# _____        ____   ___
+#   |     \/   ____| |___|
+#   |     |   |   \  |   |
+#-----------------------------------------------------------------------
+# Copyright 2022-2022, Tyra - https://github.com/h4570/tyrav2
+# Licensed under Apache License 2.0
+# Sandro Sobczyński <sandro.sobczynski@gmail.com>
+# Wellinator Carvalho <wellcoj@gmail.com>
+*/
+
+#pragma once
+
+namespace Tyra {
+
+class AudioListener {
+ public:
+  virtual ~AudioListener(){};
+  virtual void onAudioTick() = 0;
+  virtual void onAudioFinish() = 0;
+
+ private:
+};
+
+}  // namespace Tyra

engine/inc/audio/audio_listener_ref.hpp

@@ -0,0 +1,24 @@
+/*
+# _____        ____   ___
+#   |     \/   ____| |___|
+#   |     |   |   \  |   |
+#-----------------------------------------------------------------------
+# Copyright 2022-2022, Tyra - https://github.com/h4570/tyrav2
+# Licensed under Apache License 2.0
+# Sandro Sobczyński <sandro.sobczynski@gmail.com>
+# Wellinator Carvalho <wellcoj@gmail.com>
+*/
+
+#pragma once
+
+#include "./audio_listener.hpp"
+#include <tamtypes.h>
+
+namespace Tyra {
+
+struct AudioListenerRef {
+  AudioListener* listener;
+  u32 id;
+};
+
+}  // namespace Tyra

engine/inc/audio/audio_song.hpp

@@ -0,0 +1,90 @@
+/*
+# _____        ____   ___
+#   |     \/   ____| |___|
+#   |     |   |   \  |   |
+#-----------------------------------------------------------------------
+# Copyright 2022-2022, Tyra - https://github.com/h4570/tyrav2
+# Licensed under Apache License 2.0
+# Sandro Sobczyński <sandro.sobczynski@gmail.com>
+# Wellinator Carvalho <wellcoj@gmail.com>
+*/
+
+#pragma once
+
+#include "./audio_listener_ref.hpp"
+#include <audsrv.h>
+#include <string>
+#include <vector>
+#include <kernel.h>
+
+namespace Tyra {
+
+/** Class responsible for background audio playing. */
+class AudioSong {
+ public:
+  AudioSong();
+  ~AudioSong();
+
+  void init();
+
+  bool inLoop;
+
+  /**
+   * Load 16bit 22kHz Stereo WAV.
+   * Can be used multiple times for song switching.
+   * @param t_path Example: "host:song.wav" or "host:folder/song.wav"
+   */
+  void load(const char* t_path);
+  void load(const std::string& t_path);
+
+  void play();
+
+  void stop();
+
+  const bool& isPlaying() const;
+
+  const bool& isLoaded() const;
+
+  const u8& getVolume() const;
+
+  /**
+   * Set song volume.
+   * @param t_vol Value 0-100
+   */
+  void setVolume(const u8& t_vol);
+
+  /**
+   * If you want to synchronize some actions with
+   * background song, add audio listener.
+   * @returns Listener id.
+   */
+  u32 addListener(AudioListener* t_listener);
+
+  /** Remove song listener. */
+  void removeListener(const u32& t_id);
+
+  std::size_t getListenersCount() const;
+
+  void work();
+
+ private:
+  bool songLoaded, songPlaying, songFinished;
+  u8 tyraVolume, audsrvVolume;
+  FILE* wav;
+  audsrv_fmt_t format;
+  std::vector<AudioListenerRef*> songListeners;
+
+  ee_sema_t sema;
+  s32 fillbufferSema;
+  static const u16 chunkSize;
+  char* chunk;
+  s32 chunkReadStatus;
+
+  void initSema();
+  void initAUDSRV();
+  void setSongFormat();
+  void unloadSong();
+  void rewindSongToStart();
+};
+
+}  // namespace Tyra

engine/inc/debug/debug.hpp

@@ -0,0 +1,117 @@
+/*
+# _____        ____   ___
+#   |     \/   ____| |___|
+#   |     |   |   \  |   |
+#-----------------------------------------------------------------------
+# Copyright 2022, tyra - https://github.com/h4570/tyra
+# Licensed under Apache License 2.0
+# Sandro Sobczyński <sandro.sobczynski@gmail.com>
+*/
+
+#pragma once
+
+#ifdef NDEBUG
+#define TYRA_LOG(...) ((void)0)
+#define TYRA_WARN(...) ((void)0)
+#define TYRA_ERROR(...) ((void)0)
+#define TYRA_TRAP(...) ((void)0)
+#define TYRA_ASSERT(condition, ...) ((void)0)
+
+#else  // IF Debug
+
+#include <stdio.h>
+#include <string>
+#include <sstream>
+#include <fstream>
+#include <utility>
+#include <memory>
+
+#include "file/file_utils.hpp"
+#include "info/info.hpp"
+
+#define TYRA_LOG(...) TyraDebug::writeLines("LOG: ", ##__VA_ARGS__, "\n")
+#define TYRA_WARN(...) TyraDebug::writeLines("==WARN: ", ##__VA_ARGS__, "\n")
+#define TYRA_ERROR(...) TyraDebug::writeLines("====ERR: ", ##__VA_ARGS__, "\n")
+#define TYRA_TRAP(...) TyraDebug::trap(__FILE__, __LINE__, ##__VA_ARGS__)
+#define TYRA_BREAKPOINT() TyraDebug::trap(__FILE__, __LINE__, "Breakpoint")
+#define TYRA_ASSERT(condition, ...) \
+  if (!(condition)) TyraDebug::trap(__FILE__, __LINE__, ##__VA_ARGS__)
+
+class TyraDebug {
+ public:
+  template <typename Arg, typename... Args>
+  static void writeLines(Arg&& arg, Args&&... args) {
+    std::stringstream ss;
+
+    ss << std::forward<Arg>(arg);
+    using expander = int[];
+    (void)expander{0, (void(ss << std::forward<Args>(args)), 0)...};
+
+    if (Tyra::Info::writeLogsToFile) {
+      auto* logFile = getLogFile();
+      *logFile << ss.str();
+      logFile->flush();
+    } else {
+      printf("%s", ss.str().c_str());
+    }
+  }
+
+  template <typename... Args>
+  static void trap(const char* file, int line, Args... args) {
+    std::stringstream ss1;
+    ss1 << "\n";
+    ss1 << "==============  TYRA  ==============\n";
+    ss1 << "| Assertion failed!\n";
+    ss1 << "|\n";
+
+    if (Tyra::Info::writeLogsToFile) {
+      auto* logFile = getLogFile();
+      *logFile << ss1.str();
+      logFile->flush();
+    } else {
+      printf("%s", ss1.str().c_str());
+    }
+
+    writeAssertLines(args...);
+
+    std::stringstream ss2;
+    ss2 << "|\n";
+    ss2 << "| File : " << file << ":" << line << "\n";
+    ss2 << "====================================\n\n";
+
+    if (Tyra::Info::writeLogsToFile) {
+      auto* logFile = getLogFile();
+      *logFile << ss2.str();
+      logFile->flush();
+    } else {
+      printf("%s", ss2.str().c_str());
+    }
+
+    for (;;) {
+    }
+  }
+
+ private:
+  static std::unique_ptr<std::ofstream> logFile;
+  static std::ofstream* getLogFile();
+
+  template <typename Arg, typename... Args>
+  static void writeAssertLines(Arg&& arg, Args&&... args) {
+    std::stringstream ss;
+
+    ss << "| " << std::forward<Arg>(arg) << "\n";
+    using expander = int[];
+    (void)expander{
+        0, (void(ss << "| " << std::forward<Args>(args) << "\n"), 0)...};
+
+    if (Tyra::Info::writeLogsToFile) {
+      auto* logfile = getLogFile();
+      *logfile << ss.str();
+      logFile->flush();
+    } else {
+      printf("%s", ss.str().c_str());
+    }
+  }
+};
+
+#endif  // NDEBUG

engine/inc/engine.hpp

@@ -0,0 +1,56 @@
+/*
+# _____        ____   ___
+#   |     \/   ____| |___|
+#   |     |   |   \  |   |
+#-----------------------------------------------------------------------
+# Copyright 2022, tyra - https://github.com/h4570/tyra
+# Licensed under Apache License 2.0
+# Sandro Sobczyński <sandro.sobczynski@gmail.com>
+*/
+
+#pragma once
+
+#include "./renderer/renderer.hpp"
+#include "./pad/pad.hpp"
+#include "./audio/audio.hpp"
+#include "./irx/irx_loader.hpp"
+#include "./info/info.hpp"
+#include "./info/banner.hpp"
+#include "./game.hpp"
+
+namespace Tyra {
+
+struct EngineOptions {
+  /**
+   * True -> logs will be written to file.
+   * False -> logs will be displayed in console
+   */
+  bool writeLogsToFile = false;
+
+  bool loadUsbDriver = false;
+};
+
+class Engine {
+ public:
+  Engine();
+  Engine(const EngineOptions& options);
+  ~Engine();
+
+  Renderer renderer;
+  Pad pad;
+  Audio audio;
+  Info info;
+
+  void run(Game* t_game);
+
+ private:
+  IrxLoader irx;
+
+  Game* game;
+  Banner banner;
+
+  void realLoop();
+  void initAll(const bool& loadUsbDriver);
+};
+
+}  // namespace Tyra

engine/inc/file/file_utils.hpp

@@ -0,0 +1,52 @@
+/*
+# _____        ____   ___
+#   |     \/   ____| |___|
+#   |     |   |   \  |   |
+#-----------------------------------------------------------------------
+# Copyright 2022, tyra - https://github.com/h4570/tyra
+# Licensed under Apache License 2.0
+# Wellington Carvalho <wellcoj@gmail.com>
+*/
+
+#pragma once
+
+#include <string>
+
+namespace Tyra {
+
+class FileUtils {
+ public:
+  FileUtils();
+  ~FileUtils();
+
+  /**
+   * Get current working directory.
+   * Example: "host:" or "mass:"
+   */
+  static std::string getCwd();
+
+  /**
+   * Add current working directory prefix to path
+   * Example: "host:..." or "mass:..."
+   */
+  static std::string fromCwd(const std::string& relativePath);
+  static std::string fromCwd(const char* relativePath);
+
+  static std::string getFilenameFromPath(const std::string& path);
+  static std::string getPathFromFilename(const std::string& path);
+  static std::string getFilenameWithoutExtension(const std::string& filename);
+  static std::string getExtensionOfFilename(const std::string& filename);
+
+  const char* getElfName() const { return elfName; };
+  const char* getElfPath() const { return elfPath; };
+
+ private:
+  // Argv name+path & just path
+  char cwd[255];
+  char elfName[255];
+  char elfPath[255 - 14];
+
+  void setPathInfo(const char* path);
+};
+
+}  // namespace Tyra

engine/inc/game.hpp

@@ -0,0 +1,21 @@
+/*
+# _____        ____   ___
+#   |     \/   ____| |___|
+#   |     |   |   \  |   |
+#-----------------------------------------------------------------------
+# Copyright 2022, tyra - https://github.com/h4570/tyra
+# Licensed under Apache License 2.0
+# Sandro Sobczyński <sandro.sobczynski@gmail.com>
+*/
+
+#pragma once
+
+namespace Tyra {
+
+class Game {
+ public:
+  virtual void init() = 0;
+  virtual void loop() = 0;
+};
+
+}  // namespace Tyra

engine/inc/info/banner.hpp

@@ -0,0 +1,25 @@
+/*
+# _____        ____   ___
+#   |     \/   ____| |___|
+#   |     |   |   \  |   |
+#-----------------------------------------------------------------------
+# Copyright 2022, tyra - https://github.com/h4570/tyra
+# Licensed under Apache License 2.0
+# Wellington Carvalho <wellcoj@gmail.com>
+*/
+
+#pragma once
+
+#include "renderer/renderer.hpp"
+
+namespace Tyra {
+
+class Banner {
+ public:
+  Banner();
+  ~Banner();
+
+  void show(Renderer* renderer);
+};
+
+}  // namespace Tyra

engine/inc/info/info.hpp

@@ -0,0 +1,47 @@
+/*
+# _____        ____   ___
+#   |     \/   ____| |___|
+#   |     |   |   \  |   |
+#-----------------------------------------------------------------------
+# Copyright 2022, tyra - https://github.com/h4570/tyra
+# Licensed under Apache License 2.0
+# Wellington Carvalho <wellcoj@gmail.com>
+*/
+
+#pragma once
+
+#include <tamtypes.h>
+#include <stddef.h>
+#include "time/timer.hpp"
+#include "./version.hpp"
+
+namespace Tyra {
+
+class Info {
+ public:
+  Info();
+  ~Info();
+
+  Version version;
+
+  static bool writeLogsToFile;
+
+  /** Called by engine */
+  void update();
+
+  const u32& getFps() const { return fps; };
+
+  /** @return Available RAM in MB */
+  float getAvailableRAM();
+
+ private:
+  float calcFps();
+  void* allocateLargestFreeRAMBlock(size_t* size);
+  size_t getFreeRAMSize();
+
+  u8 fpsDelayer;
+  u32 fps;
+  Timer timer;
+};
+
+}  // namespace Tyra

engine/inc/info/version.hpp

@@ -0,0 +1,33 @@
+/*
+# _____        ____   ___
+#   |     \/   ____| |___|
+#   |     |   |   \  |   |
+#-----------------------------------------------------------------------
+# Copyright 2022, tyra - https://github.com/h4570/tyra
+# Licensed under Apache License 2.0
+# André Guilherme <andregui17@outlook.com>
+*/
+
+#pragma once
+
+#include <tamtypes.h>
+#include <string>
+
+namespace Tyra {
+
+class Version {
+ public:
+  Version() {}
+  ~Version() {}
+
+  static const u8 major = 2;
+  static const u8 minor = 0;
+  static const u8 patch = 0;
+
+  static std::string toString() {
+    return std::to_string(major) + "." + std::to_string(minor) + "." +
+           std::to_string(patch);
+  }
+};
+
+}  // namespace Tyra

engine/inc/irx/irx_loader.hpp

@@ -0,0 +1,38 @@
+/*
+# _____        ____   ___
+#   |     \/   ____| |___|
+#   |     |   |   \  |   |
+#-----------------------------------------------------------------------
+# Copyright 2022, tyra - https://github.com/h4570/tyra
+# Licensed under Apache License 2.0
+# Wellington Carvalho <wellcoj@gmail.com>
+*/
+
+#pragma once
+
+#include <tamtypes.h>
+
+namespace Tyra {
+
+class IrxLoader {
+ public:
+  IrxLoader();
+  ~IrxLoader();
+
+  void loadAll(const bool& withUsb, const bool& isLoggingToFile);
+
+ private:
+  static bool isLoaded;
+
+  void loadSio2man(const bool& verbose);
+  void loadPadman(const bool& verbose);
+  void loadLibsd(const bool& verbose);
+  void loadUsbModules(const bool& verbose);
+  void loadAudsrv(const bool& verbose);
+
+  int applyRpcPatches();
+  void waitUntilUsbDeviceIsReady();
+  void delay(int count);
+};
+
+}  // namespace Tyra

engine/inc/loaders/3d/builder/mesh_builder_data.hpp

@@ -0,0 +1,34 @@
+
+/*
+# _____        ____   ___
+#   |     \/   ____| |___|
+#   |     |   |   \  |   |
+#-----------------------------------------------------------------------
+# Copyright 2022, tyra - https://github.com/h4570/tyra
+# Licensed under Apache License 2.0
+# Sandro Sobczyński <sandro.sobczynski@gmail.com>
+*/
+
+#pragma once
+
+#include <vector>
+#include "./mesh_builder_material_data.hpp"
+
+namespace Tyra {
+
+/**
+ * Data needed for constructing mesh class.
+ * All dynamic data ownership is moved to mesh class, so
+ * verts, coords.. are not deallocated!
+ */
+class MeshBuilderData {
+ public:
+  MeshBuilderData();
+  ~MeshBuilderData();
+
+  std::vector<MeshBuilderMaterialData*> materials;
+
+  bool loadNormals, loadLightmap;
+};
+
+}  // namespace Tyra

engine/inc/loaders/3d/builder/mesh_builder_material_data.hpp

@@ -0,0 +1,33 @@
+
+/*
+# _____        ____   ___
+#   |     \/   ____| |___|
+#   |     |   |   \  |   |
+#-----------------------------------------------------------------------
+# Copyright 2022, tyra - https://github.com/h4570/tyra
+# Licensed under Apache License 2.0
+# Sandro Sobczyński <sandro.sobczynski@gmail.com>
+*/
+
+#pragma once
+
+#include <vector>
+#include <string>
+#include <optional>
+#include "./mesh_builder_material_frame_data.hpp"
+#include "renderer/models/color.hpp"
+
+namespace Tyra {
+
+class MeshBuilderMaterialData {
+ public:
+  MeshBuilderMaterialData();
+  ~MeshBuilderMaterialData();
+
+  std::vector<MeshBuilderMaterialFrameData*> frames;
+  std::string name;
+  std::optional<std::string> texturePath;
+  Color ambient;
+};
+
+}  // namespace Tyra

engine/inc/loaders/3d/builder/mesh_builder_material_frame_data.hpp

@@ -0,0 +1,30 @@
+
+/*
+# _____        ____   ___
+#   |     \/   ____| |___|
+#   |     |   |   \  |   |
+#-----------------------------------------------------------------------
+# Copyright 2022, tyra - https://github.com/h4570/tyra
+# Licensed under Apache License 2.0
+# Sandro Sobczyński <sandro.sobczynski@gmail.com>
+*/
+
+#pragma once
+
+#include <tamtypes.h>
+#include "math/vec4.hpp"
+#include "renderer/models/color.hpp"
+
+namespace Tyra {
+
+class MeshBuilderMaterialFrameData {
+ public:
+  MeshBuilderMaterialFrameData();
+  ~MeshBuilderMaterialFrameData();
+
+  u32 count;
+  Vec4 *vertices, *textureCoords, *normals;
+  Color* colors;
+};
+
+}  // namespace Tyra

engine/inc/loaders/3d/md2_loader/anorms.hpp

@@ -0,0 +1,103 @@
+/*
+Copyright (C) 1997-2001 Id Software, Inc.
+This program is free software; you can redistribute it and/or
+modify it under the terms of the GNU General Public License
+as published by the Free Software Foundation; either version 2
+of the License, or (at your option) any later version.
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+See the GNU General Public License for more details.
+You should have received a copy of the GNU General Public License
+along with this program; if not, write to the Free Software
+Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+*/
+
+#pragma once
+
+namespace Tyra {
+
+const float ANORMS[162][3] = {
+    {-0.525731f, 0.000000f, 0.850651f},   {-0.442863f, 0.238856f, 0.864188f},
+    {-0.295242f, 0.000000f, 0.955423f},   {-0.309017f, 0.500000f, 0.809017f},
+    {-0.162460f, 0.262866f, 0.951056f},   {0.000000f, 0.000000f, 1.000000f},
+    {0.000000f, 0.850651f, 0.525731f},    {-0.147621f, 0.716567f, 0.681718f},
+    {0.147621f, 0.716567f, 0.681718f},    {0.000000f, 0.525731f, 0.850651f},
+    {0.309017f, 0.500000f, 0.809017f},    {0.525731f, 0.000000f, 0.850651f},
+    {0.295242f, 0.000000f, 0.955423f},    {0.442863f, 0.238856f, 0.864188f},
+    {0.162460f, 0.262866f, 0.951056f},    {-0.681718f, 0.147621f, 0.716567f},
+    {-0.809017f, 0.309017f, 0.500000f},   {-0.587785f, 0.425325f, 0.688191f},
+    {-0.850651f, 0.525731f, 0.000000f},   {-0.864188f, 0.442863f, 0.238856f},
+    {-0.716567f, 0.681718f, 0.147621f},   {-0.688191f, 0.587785f, 0.425325f},
+    {-0.500000f, 0.809017f, 0.309017f},   {-0.238856f, 0.864188f, 0.442863f},
+    {-0.425325f, 0.688191f, 0.587785f},   {-0.716567f, 0.681718f, -0.147621f},
+    {-0.500000f, 0.809017f, -0.309017f},  {-0.525731f, 0.850651f, 0.000000f},
+    {0.000000f, 0.850651f, -0.525731f},   {-0.238856f, 0.864188f, -0.442863f},
+    {0.000000f, 0.955423f, -0.295242f},   {-0.262866f, 0.951056f, -0.162460f},
+    {0.000000f, 1.000000f, 0.000000f},    {0.000000f, 0.955423f, 0.295242f},
+    {-0.262866f, 0.951056f, 0.162460f},   {0.238856f, 0.864188f, 0.442863f},
+    {0.262866f, 0.951056f, 0.162460f},    {0.500000f, 0.809017f, 0.309017f},
+    {0.238856f, 0.864188f, -0.442863f},   {0.262866f, 0.951056f, -0.162460f},
+    {0.500000f, 0.809017f, -0.309017f},   {0.850651f, 0.525731f, 0.000000f},
+    {0.716567f, 0.681718f, 0.147621f},    {0.716567f, 0.681718f, -0.147621f},
+    {0.525731f, 0.850651f, 0.000000f},    {0.425325f, 0.688191f, 0.587785f},
+    {0.864188f, 0.442863f, 0.238856f},    {0.688191f, 0.587785f, 0.425325f},
+    {0.809017f, 0.309017f, 0.500000f},    {0.681718f, 0.147621f, 0.716567f},
+    {0.587785f, 0.425325f, 0.688191f},    {0.955423f, 0.295242f, 0.000000f},
+    {1.000000f, 0.000000f, 0.000000f},    {0.951056f, 0.162460f, 0.262866f},
+    {0.850651f, -0.525731f, 0.000000f},   {0.955423f, -0.295242f, 0.000000f},
+    {0.864188f, -0.442863f, 0.238856f},   {0.951056f, -0.162460f, 0.262866f},
+    {0.809017f, -0.309017f, 0.500000f},   {0.681718f, -0.147621f, 0.716567f},
+    {0.850651f, 0.000000f, 0.525731f},    {0.864188f, 0.442863f, -0.238856f},
+    {0.809017f, 0.309017f, -0.500000f},   {0.951056f, 0.162460f, -0.262866f},
+    {0.525731f, 0.000000f, -0.850651f},   {0.681718f, 0.147621f, -0.716567f},
+    {0.681718f, -0.147621f, -0.716567f},  {0.850651f, 0.000000f, -0.525731f},
+    {0.809017f, -0.309017f, -0.500000f},  {0.864188f, -0.442863f, -0.238856f},
+    {0.951056f, -0.162460f, -0.262866f},  {0.147621f, 0.716567f, -0.681718f},
+    {0.309017f, 0.500000f, -0.809017f},   {0.425325f, 0.688191f, -0.587785f},
+    {0.442863f, 0.238856f, -0.864188f},   {0.587785f, 0.425325f, -0.688191f},
+    {0.688191f, 0.587785f, -0.425325f},   {-0.147621f, 0.716567f, -0.681718f},
+    {-0.309017f, 0.500000f, -0.809017f},  {0.000000f, 0.525731f, -0.850651f},
+    {-0.525731f, 0.000000f, -0.850651f},  {-0.442863f, 0.238856f, -0.864188f},
+    {-0.295242f, 0.000000f, -0.955423f},  {-0.162460f, 0.262866f, -0.951056f},
+    {0.000000f, 0.000000f, -1.000000f},   {0.295242f, 0.000000f, -0.955423f},
+    {0.162460f, 0.262866f, -0.951056f},   {-0.442863f, -0.238856f, -0.864188f},
+    {-0.309017f, -0.500000f, -0.809017f}, {-0.162460f, -0.262866f, -0.951056f},
+    {0.000000f, -0.850651f, -0.525731f},  {-0.147621f, -0.716567f, -0.681718f},
+    {0.147621f, -0.716567f, -0.681718f},  {0.000000f, -0.525731f, -0.850651f},
+    {0.309017f, -0.500000f, -0.809017f},  {0.442863f, -0.238856f, -0.864188f},
+    {0.162460f, -0.262866f, -0.951056f},  {0.238856f, -0.864188f, -0.442863f},
+    {0.500000f, -0.809017f, -0.309017f},  {0.425325f, -0.688191f, -0.587785f},
+    {0.716567f, -0.681718f, -0.147621f},  {0.688191f, -0.587785f, -0.425325f},
+    {0.587785f, -0.425325f, -0.688191f},  {0.000000f, -0.955423f, -0.295242f},
+    {0.000000f, -1.000000f, 0.000000f},   {0.262866f, -0.951056f, -0.162460f},
+    {0.000000f, -0.850651f, 0.525731f},   {0.000000f, -0.955423f, 0.295242f},
+    {0.238856f, -0.864188f, 0.442863f},   {0.262866f, -0.951056f, 0.162460f},
+    {0.500000f, -0.809017f, 0.309017f},   {0.716567f, -0.681718f, 0.147621f},
+    {0.525731f, -0.850651f, 0.000000f},   {-0.238856f, -0.864188f, -0.442863f},
+    {-0.500000f, -0.809017f, -0.309017f}, {-0.262866f, -0.951056f, -0.162460f},
+    {-0.850651f, -0.525731f, 0.000000f},  {-0.716567f, -0.681718f, -0.147621f},
+    {-0.716567f, -0.681718f, 0.147621f},  {-0.525731f, -0.850651f, 0.000000f},
+    {-0.500000f, -0.809017f, 0.309017f},  {-0.238856f, -0.864188f, 0.442863f},
+    {-0.262866f, -0.951056f, 0.162460f},  {-0.864188f, -0.442863f, 0.238856f},
+    {-0.809017f, -0.309017f, 0.500000f},  {-0.688191f, -0.587785f, 0.425325f},
+    {-0.681718f, -0.147621f, 0.716567f},  {-0.442863f, -0.238856f, 0.864188f},
+    {-0.587785f, -0.425325f, 0.688191f},  {-0.309017f, -0.500000f, 0.809017f},
+    {-0.147621f, -0.716567f, 0.681718f},  {-0.425325f, -0.688191f, 0.587785f},
+    {-0.162460f, -0.262866f, 0.951056f},  {0.442863f, -0.238856f, 0.864188f},
+    {0.162460f, -0.262866f, 0.951056f},   {0.309017f, -0.500000f, 0.809017f},
+    {0.147621f, -0.716567f, 0.681718f},   {0.000000f, -0.525731f, 0.850651f},
+    {0.425325f, -0.688191f, 0.587785f},   {0.587785f, -0.425325f, 0.688191f},
+    {0.688191f, -0.587785f, 0.425325f},   {-0.955423f, 0.295242f, 0.000000f},
+    {-0.951056f, 0.162460f, 0.262866f},   {-1.000000f, 0.000000f, 0.000000f},
+    {-0.850651f, 0.000000f, 0.525731f},   {-0.955423f, -0.295242f, 0.000000f},
+    {-0.951056f, -0.162460f, 0.262866f},  {-0.864188f, 0.442863f, -0.238856f},
+    {-0.951056f, 0.162460f, -0.262866f},  {-0.809017f, 0.309017f, -0.500000f},
+    {-0.864188f, -0.442863f, -0.238856f}, {-0.951056f, -0.162460f, -0.262866f},
+    {-0.809017f, -0.309017f, -0.500000f}, {-0.681718f, 0.147621f, -0.716567f},
+    {-0.681718f, -0.147621f, -0.716567f}, {-0.850651f, 0.000000f, -0.525731f},
+    {-0.688191f, 0.587785f, -0.425325f},  {-0.587785f, 0.425325f, -0.688191f},
+    {-0.425325f, 0.688191f, -0.587785f},  {-0.425325f, -0.688191f, -0.587785f},
+    {-0.587785f, -0.425325f, -0.688191f}, {-0.688191f, -0.587785f, -0.425325f}};
+
+}

engine/inc/loaders/3d/md2_loader/md2_loader.hpp

@@ -0,0 +1,35 @@
+/*
+# _____        ____   ___
+#   |     \/   ____| |___|
+#   |     |   |   \  |   |
+#-----------------------------------------------------------------------
+# Copyright 2022, tyra - https://github.com/h4570/tyra
+# Licensed under Apache License 2.0
+# Sandro Sobczyński <sandro.sobczynski@gmail.com>
+*/
+
+#pragma once
+
+#include "../builder/mesh_builder_data.hpp"
+#include <string>
+#include <memory>
+
+namespace Tyra {
+
+struct MD2LoaderOptions {
+  bool flipUVs = false;
+  float scale = 1.0F;
+};
+
+/** Class responsible for loading & parsing Quake's II ".md2" 3D files */
+class MD2Loader {
+ public:
+  static std::unique_ptr<MeshBuilderData> load(const char* fullpath);
+  static std::unique_ptr<MeshBuilderData> load(const char* fullpath,
+                                               MD2LoaderOptions options);
+  static std::unique_ptr<MeshBuilderData> load(const std::string& fullpath);
+  static std::unique_ptr<MeshBuilderData> load(const std::string& fullpath,
+                                               MD2LoaderOptions options);
+};
+
+}  // namespace Tyra

engine/inc/loaders/3d/obj_loader/mapbox/earcut.hpp

@@ -0,0 +1,853 @@
+#pragma once
+
+#include <algorithm>
+#include <cassert>
+#include <cmath>
+#include <memory>
+#include <vector>
+
+namespace mapbox {
+
+namespace util {
+
+template <std::size_t I, typename T>
+struct nth {
+  inline static typename std::tuple_element<I, T>::type get(const T& t) {
+    return std::get<I>(t);
+  };
+};
+
+}  // namespace util
+
+namespace detail {
+
+template <typename N = uint32_t>
+class Earcut {
+ public:
+  std::vector<N> indices;
+  std::size_t vertices = 0;
+
+  template <typename Polygon>
+  void operator()(const Polygon& points);
+
+ private:
+  struct Node {
+    Node(N index, double x_, double y_) : i(index), x(x_), y(y_) {}
+    Node(const Node&) = delete;
+    Node& operator=(const Node&) = delete;
+    Node(Node&&) = delete;
+    Node& operator=(Node&&) = delete;
+
+    const N i;
+    const double x;
+    const double y;
+
+    // previous and next vertice nodes in a polygon ring
+    Node* prev = nullptr;
+    Node* next = nullptr;
+
+    // z-order curve value
+    int32_t z = 0;
+
+    // previous and next nodes in z-order
+    Node* prevZ = nullptr;
+    Node* nextZ = nullptr;
+
+    // indicates whether this is a steiner point
+    bool steiner = false;
+  };
+
+  template <typename Ring>
+  Node* linkedList(const Ring& points, const bool clockwise);
+  Node* filterPoints(Node* start, Node* end = nullptr);
+  void earcutLinked(Node* ear, int pass = 0);
+  bool isEar(Node* ear);
+  bool isEarHashed(Node* ear);
+  Node* cureLocalIntersections(Node* start);
+  void splitEarcut(Node* start);
+  template <typename Polygon>
+  Node* eliminateHoles(const Polygon& points, Node* outerNode);
+  Node* eliminateHole(Node* hole, Node* outerNode);
+  Node* findHoleBridge(Node* hole, Node* outerNode);
+  bool sectorContainsSector(const Node* m, const Node* p);
+  void indexCurve(Node* start);
+  Node* sortLinked(Node* list);
+  int32_t zOrder(const double x_, const double y_);
+  Node* getLeftmost(Node* start);
+  bool pointInTriangle(double ax, double ay, double bx, double by, double cx,
+                       double cy, double px, double py) const;
+  bool isValidDiagonal(Node* a, Node* b);
+  double area(const Node* p, const Node* q, const Node* r) const;
+  bool equals(const Node* p1, const Node* p2);
+  bool intersects(const Node* p1, const Node* q1, const Node* p2,
+                  const Node* q2);
+  bool onSegment(const Node* p, const Node* q, const Node* r);
+  int sign(double val);
+  bool intersectsPolygon(const Node* a, const Node* b);
+  bool locallyInside(const Node* a, const Node* b);
+  bool middleInside(const Node* a, const Node* b);
+  Node* splitPolygon(Node* a, Node* b);
+  template <typename Point>
+  Node* insertNode(std::size_t i, const Point& p, Node* last);
+  void removeNode(Node* p);
+
+  bool hashing;
+  double minX, maxX;
+  double minY, maxY;
+  double inv_size = 0;
+
+  template <typename T, typename Alloc = std::allocator<T>>
+  class ObjectPool {
+   public:
+    ObjectPool() {}
+    ObjectPool(std::size_t blockSize_) { reset(blockSize_); }
+    ~ObjectPool() { clear(); }
+    template <typename... Args>
+    T* construct(Args&&... args) {
+      if (currentIndex >= blockSize) {
+        currentBlock = alloc_traits::allocate(alloc, blockSize);
+        allocations.emplace_back(currentBlock);
+        currentIndex = 0;
+      }
+      T* object = &currentBlock[currentIndex++];
+      alloc_traits::construct(alloc, object, std::forward<Args>(args)...);
+      return object;
+    }
+    void reset(std::size_t newBlockSize) {
+      for (auto allocation : allocations) {
+        alloc_traits::deallocate(alloc, allocation, blockSize);
+      }
+      allocations.clear();
+      blockSize = std::max<std::size_t>(1, newBlockSize);
+      currentBlock = nullptr;
+      currentIndex = blockSize;
+    }
+    void clear() { reset(blockSize); }
+
+   private:
+    T* currentBlock = nullptr;
+    std::size_t currentIndex = 1;
+    std::size_t blockSize = 1;
+    std::vector<T*> allocations;
+    Alloc alloc;
+    typedef typename std::allocator_traits<Alloc> alloc_traits;
+  };
+  ObjectPool<Node> nodes;
+};
+
+template <typename N>
+template <typename Polygon>
+void Earcut<N>::operator()(const Polygon& points) {
+  // reset
+  indices.clear();
+  vertices = 0;
+
+  if (points.empty()) return;
+
+  double x;
+  double y;
+  int threshold = 80;
+  std::size_t len = 0;
+
+  for (size_t i = 0; threshold >= 0 && i < points.size(); i++) {
+    threshold -= static_cast<int>(points[i].size());
+    len += points[i].size();
+  }
+
+  // estimate size of nodes and indices
+  nodes.reset(len * 3 / 2);
+  indices.reserve(len + points[0].size());
+
+  Node* outerNode = linkedList(points[0], true);
+  if (!outerNode || outerNode->prev == outerNode->next) return;
+
+  if (points.size() > 1) outerNode = eliminateHoles(points, outerNode);
+
+  // if the shape is not too simple, we'll use z-order curve hash later;
+  // calculate polygon bbox
+  hashing = threshold < 0;
+  if (hashing) {
+    Node* p = outerNode->next;
+    minX = maxX = outerNode->x;
+    minY = maxY = outerNode->y;
+    do {
+      x = p->x;
+      y = p->y;
+      minX = std::min<double>(minX, x);
+      minY = std::min<double>(minY, y);
+      maxX = std::max<double>(maxX, x);
+      maxY = std::max<double>(maxY, y);
+      p = p->next;
+    } while (p != outerNode);
+
+    // minX, minY and size are later used to transform coords into integers for
+    // z-order calculation
+    inv_size = std::max<double>(maxX - minX, maxY - minY);
+    inv_size = inv_size != .0 ? (1. / inv_size) : .0;
+  }
+
+  earcutLinked(outerNode);
+
+  nodes.clear();
+}
+
+// create a circular doubly linked list from polygon points in the specified
+// winding order
+template <typename N>
+template <typename Ring>
+typename Earcut<N>::Node* Earcut<N>::linkedList(const Ring& points,
+                                                const bool clockwise) {
+  using Point = typename Ring::value_type;
+  double sum = 0;
+  const std::size_t len = points.size();
+  std::size_t i, j;
+  Node* last = nullptr;
+
+  // calculate original winding order of a polygon ring
+  for (i = 0, j = len > 0 ? len - 1 : 0; i < len; j = i++) {
+    const auto& p1 = points[i];
+    const auto& p2 = points[j];
+    const double p20 = util::nth<0, Point>::get(p2);
+    const double p10 = util::nth<0, Point>::get(p1);
+    const double p11 = util::nth<1, Point>::get(p1);
+    const double p21 = util::nth<1, Point>::get(p2);
+    sum += (p20 - p10) * (p11 + p21);
+  }
+
+  // link points into circular doubly-linked list in the specified winding order
+  if (clockwise == (sum > 0)) {
+    for (i = 0; i < len; i++) last = insertNode(vertices + i, points[i], last);
+  } else {
+    for (i = len; i-- > 0;) last = insertNode(vertices + i, points[i], last);
+  }
+
+  if (last && equals(last, last->next)) {
+    removeNode(last);
+    last = last->next;
+  }
+
+  vertices += len;
+
+  return last;
+}
+
+// eliminate colinear or duplicate points
+template <typename N>
+typename Earcut<N>::Node* Earcut<N>::filterPoints(Node* start, Node* end) {
+  if (!end) end = start;
+
+  Node* p = start;
+  bool again;
+  do {
+    again = false;
+
+    if (!p->steiner && (equals(p, p->next) || area(p->prev, p, p->next) == 0)) {
+      removeNode(p);
+      p = end = p->prev;
+
+      if (p == p->next) break;
+      again = true;
+
+    } else {
+      p = p->next;
+    }
+  } while (again || p != end);
+
+  return end;
+}
+
+// main ear slicing loop which triangulates a polygon (given as a linked list)
+template <typename N>
+void Earcut<N>::earcutLinked(Node* ear, int pass) {
+  if (!ear) return;
+
+  // interlink polygon nodes in z-order
+  if (!pass && hashing) indexCurve(ear);
+
+  Node* stop = ear;
+  Node* prev;
+  Node* next;
+
+  int iterations = 0;
+
+  // iterate through ears, slicing them one by one
+  while (ear->prev != ear->next) {
+    iterations++;
+    prev = ear->prev;
+    next = ear->next;
+
+    if (hashing ? isEarHashed(ear) : isEar(ear)) {
+      // cut off the triangle
+      indices.emplace_back(prev->i);
+      indices.emplace_back(ear->i);
+      indices.emplace_back(next->i);
+
+      removeNode(ear);
+
+      // skipping the next vertice leads to less sliver triangles
+      ear = next->next;
+      stop = next->next;
+
+      continue;
+    }
+
+    ear = next;
+
+    // if we looped through the whole remaining polygon and can't find any more
+    // ears
+    if (ear == stop) {
+      // try filtering points and slicing again
+      if (!pass) earcutLinked(filterPoints(ear), 1);
+
+      // if this didn't work, try curing all small self-intersections locally
+      else if (pass == 1) {
+        ear = cureLocalIntersections(filterPoints(ear));
+        earcutLinked(ear, 2);
+
+        // as a last resort, try splitting the remaining polygon into two
+      } else if (pass == 2)
+        splitEarcut(ear);
+
+      break;
+    }
+  }
+}
+
+// check whether a polygon node forms a valid ear with adjacent nodes
+template <typename N>
+bool Earcut<N>::isEar(Node* ear) {
+  const Node* a = ear->prev;
+  const Node* b = ear;
+  const Node* c = ear->next;
+
+  if (area(a, b, c) >= 0) return false;  // reflex, can't be an ear
+
+  // now make sure we don't have other points inside the potential ear
+  Node* p = ear->next->next;
+
+  while (p != ear->prev) {
+    if (pointInTriangle(a->x, a->y, b->x, b->y, c->x, c->y, p->x, p->y) &&
+        area(p->prev, p, p->next) >= 0)
+      return false;
+    p = p->next;
+  }
+
+  return true;
+}
+
+template <typename N>
+bool Earcut<N>::isEarHashed(Node* ear) {
+  const Node* a = ear->prev;
+  const Node* b = ear;
+  const Node* c = ear->next;
+
+  if (area(a, b, c) >= 0) return false;  // reflex, can't be an ear
+
+  // triangle bbox; min & max are calculated like this for speed
+  const double minTX = std::min<double>(a->x, std::min<double>(b->x, c->x));
+  const double minTY = std::min<double>(a->y, std::min<double>(b->y, c->y));
+  const double maxTX = std::max<double>(a->x, std::max<double>(b->x, c->x));
+  const double maxTY = std::max<double>(a->y, std::max<double>(b->y, c->y));
+
+  // z-order range for the current triangle bbox;
+  const int32_t minZ = zOrder(minTX, minTY);
+  const int32_t maxZ = zOrder(maxTX, maxTY);
+
+  // first look for points inside the triangle in increasing z-order
+  Node* p = ear->nextZ;
+
+  while (p && p->z <= maxZ) {
+    if (p != ear->prev && p != ear->next &&
+        pointInTriangle(a->x, a->y, b->x, b->y, c->x, c->y, p->x, p->y) &&
+        area(p->prev, p, p->next) >= 0)
+      return false;
+    p = p->nextZ;
+  }
+
+  // then look for points in decreasing z-order
+  p = ear->prevZ;
+
+  while (p && p->z >= minZ) {
+    if (p != ear->prev && p != ear->next &&
+        pointInTriangle(a->x, a->y, b->x, b->y, c->x, c->y, p->x, p->y) &&
+        area(p->prev, p, p->next) >= 0)
+      return false;
+    p = p->prevZ;
+  }
+
+  return true;
+}
+
+// go through all polygon nodes and cure small local self-intersections
+template <typename N>
+typename Earcut<N>::Node* Earcut<N>::cureLocalIntersections(Node* start) {
+  Node* p = start;
+  do {
+    Node* a = p->prev;
+    Node* b = p->next->next;
+
+    // a self-intersection where edge (v[i-1],v[i]) intersects (v[i+1],v[i+2])
+    if (!equals(a, b) && intersects(a, p, p->next, b) && locallyInside(a, b) &&
+        locallyInside(b, a)) {
+      indices.emplace_back(a->i);
+      indices.emplace_back(p->i);
+      indices.emplace_back(b->i);
+
+      // remove two nodes involved
+      removeNode(p);
+      removeNode(p->next);
+
+      p = start = b;
+    }
+    p = p->next;
+  } while (p != start);
+
+  return filterPoints(p);
+}
+
+// try splitting polygon into two and triangulate them independently
+template <typename N>
+void Earcut<N>::splitEarcut(Node* start) {
+  // look for a valid diagonal that divides the polygon into two
+  Node* a = start;
+  do {
+    Node* b = a->next->next;
+    while (b != a->prev) {
+      if (a->i != b->i && isValidDiagonal(a, b)) {
+        // split the polygon in two by the diagonal
+        Node* c = splitPolygon(a, b);
+
+        // filter colinear points around the cuts
+        a = filterPoints(a, a->next);
+        c = filterPoints(c, c->next);
+
+        // run earcut on each half
+        earcutLinked(a);
+        earcutLinked(c);
+        return;
+      }
+      b = b->next;
+    }
+    a = a->next;
+  } while (a != start);
+}
+
+// link every hole into the outer loop, producing a single-ring polygon without
+// holes
+template <typename N>
+template <typename Polygon>
+typename Earcut<N>::Node* Earcut<N>::eliminateHoles(const Polygon& points,
+                                                    Node* outerNode) {
+  const size_t len = points.size();
+
+  std::vector<Node*> queue;
+  for (size_t i = 1; i < len; i++) {
+    Node* list = linkedList(points[i], false);
+    if (list) {
+      if (list == list->next) list->steiner = true;
+      queue.push_back(getLeftmost(list));
+    }
+  }
+  std::sort(queue.begin(), queue.end(),
+            [](const Node* a, const Node* b) { return a->x < b->x; });
+
+  // process holes from left to right
+  for (size_t i = 0; i < queue.size(); i++) {
+    outerNode = eliminateHole(queue[i], outerNode);
+    outerNode = filterPoints(outerNode, outerNode->next);
+  }
+
+  return outerNode;
+}
+
+// find a bridge between vertices that connects hole with an outer ring and and
+// link it
+template <typename N>
+typename Earcut<N>::Node* Earcut<N>::eliminateHole(Node* hole,
+                                                   Node* outerNode) {
+  Node* bridge = findHoleBridge(hole, outerNode);
+  if (!bridge) {
+    return outerNode;
+  }
+
+  Node* bridgeReverse = splitPolygon(bridge, hole);
+
+  // filter collinear points around the cuts
+  Node* filteredBridge = filterPoints(bridge, bridge->next);
+  filterPoints(bridgeReverse, bridgeReverse->next);
+
+  // Check if input node was removed by the filtering
+  return outerNode == bridge ? filteredBridge : outerNode;
+}
+
+// David Eberly's algorithm for finding a bridge between hole and outer polygon
+template <typename N>
+typename Earcut<N>::Node* Earcut<N>::findHoleBridge(Node* hole,
+                                                    Node* outerNode) {
+  Node* p = outerNode;
+  double hx = hole->x;
+  double hy = hole->y;
+  double qx = -std::numeric_limits<double>::infinity();
+  Node* m = nullptr;
+
+  // find a segment intersected by a ray from the hole's leftmost Vertex to the
+  // left; segment's endpoint with lesser x will be potential connection Vertex
+  do {
+    if (hy <= p->y && hy >= p->next->y && p->next->y != p->y) {
+      double x = p->x + (hy - p->y) * (p->next->x - p->x) / (p->next->y - p->y);
+      if (x <= hx && x > qx) {
+        qx = x;
+        if (x == hx) {
+          if (hy == p->y) return p;
+          if (hy == p->next->y) return p->next;
+        }
+        m = p->x < p->next->x ? p : p->next;
+      }
+    }
+    p = p->next;
+  } while (p != outerNode);
+
+  if (!m) return 0;
+
+  if (hx == qx) return m;  // hole touches outer segment; pick leftmost endpoint
+
+  // look for points inside the triangle of hole Vertex, segment intersection
+  // and endpoint; if there are no points found, we have a valid connection;
+  // otherwise choose the Vertex of the minimum angle with the ray as connection
+  // Vertex
+
+  const Node* stop = m;
+  double tanMin = std::numeric_limits<double>::infinity();
+  double tanCur = 0;
+
+  p = m;
+  double mx = m->x;
+  double my = m->y;
+
+  do {
+    if (hx >= p->x && p->x >= mx && hx != p->x &&
+        pointInTriangle(hy < my ? hx : qx, hy, mx, my, hy < my ? qx : hx, hy,
+                        p->x, p->y)) {
+      tanCur = std::abs(hy - p->y) / (hx - p->x);  // tangential
+
+      if (locallyInside(p, hole) &&
+          (tanCur < tanMin ||
+           (tanCur == tanMin && (p->x > m->x || sectorContainsSector(m, p))))) {
+        m = p;
+        tanMin = tanCur;
+      }
+    }
+
+    p = p->next;
+  } while (p != stop);
+
+  return m;
+}
+
+// whether sector in vertex m contains sector in vertex p in the same
+// coordinates
+template <typename N>
+bool Earcut<N>::sectorContainsSector(const Node* m, const Node* p) {
+  return area(m->prev, m, p->prev) < 0 && area(p->next, m, m->next) < 0;
+}
+
+// interlink polygon nodes in z-order
+template <typename N>
+void Earcut<N>::indexCurve(Node* start) {
+  assert(start);
+  Node* p = start;
+
+  do {
+    p->z = p->z ? p->z : zOrder(p->x, p->y);
+    p->prevZ = p->prev;
+    p->nextZ = p->next;
+    p = p->next;
+  } while (p != start);
+
+  p->prevZ->nextZ = nullptr;
+  p->prevZ = nullptr;
+
+  sortLinked(p);
+}
+
+// Simon Tatham's linked list merge sort algorithm
+// http://www.chiark.greenend.org.uk/~sgtatham/algorithms/listsort.html
+template <typename N>
+typename Earcut<N>::Node* Earcut<N>::sortLinked(Node* list) {
+  assert(list);
+  Node* p;
+  Node* q;
+  Node* e;
+  Node* tail;
+  int i, numMerges, pSize, qSize;
+  int inSize = 1;
+
+  for (;;) {
+    p = list;
+    list = nullptr;
+    tail = nullptr;
+    numMerges = 0;
+
+    while (p) {
+      numMerges++;
+      q = p;
+      pSize = 0;
+      for (i = 0; i < inSize; i++) {
+        pSize++;
+        q = q->nextZ;
+        if (!q) break;
+      }
+
+      qSize = inSize;
+
+      while (pSize > 0 || (qSize > 0 && q)) {
+        if (pSize == 0) {
+          e = q;
+          q = q->nextZ;
+          qSize--;
+        } else if (qSize == 0 || !q) {
+          e = p;
+          p = p->nextZ;
+          pSize--;
+        } else if (p->z <= q->z) {
+          e = p;
+          p = p->nextZ;
+          pSize--;
+        } else {
+          e = q;
+          q = q->nextZ;
+          qSize--;
+        }
+
+        if (tail)
+          tail->nextZ = e;
+        else
+          list = e;
+
+        e->prevZ = tail;
+        tail = e;
+      }
+
+      p = q;
+    }
+
+    tail->nextZ = nullptr;
+
+    if (numMerges <= 1) return list;
+
+    inSize *= 2;
+  }
+}
+
+// z-order of a Vertex given coords and size of the data bounding box
+template <typename N>
+int32_t Earcut<N>::zOrder(const double x_, const double y_) {
+  // coords are transformed into non-negative 15-bit integer range
+  int32_t x = static_cast<int32_t>(32767.0 * (x_ - minX) * inv_size);
+  int32_t y = static_cast<int32_t>(32767.0 * (y_ - minY) * inv_size);
+
+  x = (x | (x << 8)) & 0x00FF00FF;
+  x = (x | (x << 4)) & 0x0F0F0F0F;
+  x = (x | (x << 2)) & 0x33333333;
+  x = (x | (x << 1)) & 0x55555555;
+
+  y = (y | (y << 8)) & 0x00FF00FF;
+  y = (y | (y << 4)) & 0x0F0F0F0F;
+  y = (y | (y << 2)) & 0x33333333;
+  y = (y | (y << 1)) & 0x55555555;
+
+  return x | (y << 1);
+}
+
+// find the leftmost node of a polygon ring
+template <typename N>
+typename Earcut<N>::Node* Earcut<N>::getLeftmost(Node* start) {
+  Node* p = start;
+  Node* leftmost = start;
+  do {
+    if (p->x < leftmost->x || (p->x == leftmost->x && p->y < leftmost->y))
+      leftmost = p;
+    p = p->next;
+  } while (p != start);
+
+  return leftmost;
+}
+
+// check if a point lies within a convex triangle
+template <typename N>
+bool Earcut<N>::pointInTriangle(double ax, double ay, double bx, double by,
+                                double cx, double cy, double px,
+                                double py) const {
+  return (cx - px) * (ay - py) - (ax - px) * (cy - py) >= 0 &&
+         (ax - px) * (by - py) - (bx - px) * (ay - py) >= 0 &&
+         (bx - px) * (cy - py) - (cx - px) * (by - py) >= 0;
+}
+
+// check if a diagonal between two polygon nodes is valid (lies in polygon
+// interior)
+template <typename N>
+bool Earcut<N>::isValidDiagonal(Node* a, Node* b) {
+  return a->next->i != b->i && a->prev->i != b->i &&
+         !intersectsPolygon(a, b) &&  // dones't intersect other edges
+         ((locallyInside(a, b) && locallyInside(b, a) &&
+           middleInside(a, b) &&  // locally visible
+           (area(a->prev, a, b->prev) != 0.0 ||
+            area(a, b->prev, b) !=
+                0.0)) ||  // does not create opposite-facing sectors
+          (equals(a, b) && area(a->prev, a, a->next) > 0 &&
+           area(b->prev, b, b->next) > 0));  // special zero-length case
+}
+
+// signed area of a triangle
+template <typename N>
+double Earcut<N>::area(const Node* p, const Node* q, const Node* r) const {
+  return (q->y - p->y) * (r->x - q->x) - (q->x - p->x) * (r->y - q->y);
+}
+
+// check if two points are equal
+template <typename N>
+bool Earcut<N>::equals(const Node* p1, const Node* p2) {
+  return p1->x == p2->x && p1->y == p2->y;
+}
+
+// check if two segments intersect
+template <typename N>
+bool Earcut<N>::intersects(const Node* p1, const Node* q1, const Node* p2,
+                           const Node* q2) {
+  int o1 = sign(area(p1, q1, p2));
+  int o2 = sign(area(p1, q1, q2));
+  int o3 = sign(area(p2, q2, p1));
+  int o4 = sign(area(p2, q2, q1));
+
+  if (o1 != o2 && o3 != o4) return true;  // general case
+
+  if (o1 == 0 && onSegment(p1, p2, q1))
+    return true;  // p1, q1 and p2 are collinear and p2 lies on p1q1
+  if (o2 == 0 && onSegment(p1, q2, q1))
+    return true;  // p1, q1 and q2 are collinear and q2 lies on p1q1
+  if (o3 == 0 && onSegment(p2, p1, q2))
+    return true;  // p2, q2 and p1 are collinear and p1 lies on p2q2
+  if (o4 == 0 && onSegment(p2, q1, q2))
+    return true;  // p2, q2 and q1 are collinear and q1 lies on p2q2
+
+  return false;
+}
+
+// for collinear points p, q, r, check if point q lies on segment pr
+template <typename N>
+bool Earcut<N>::onSegment(const Node* p, const Node* q, const Node* r) {
+  return q->x <= std::max<double>(p->x, r->x) &&
+         q->x >= std::min<double>(p->x, r->x) &&
+         q->y <= std::max<double>(p->y, r->y) &&
+         q->y >= std::min<double>(p->y, r->y);
+}
+
+template <typename N>
+int Earcut<N>::sign(double val) {
+  return (0.0 < val) - (val < 0.0);
+}
+
+// check if a polygon diagonal intersects any polygon segments
+template <typename N>
+bool Earcut<N>::intersectsPolygon(const Node* a, const Node* b) {
+  const Node* p = a;
+  do {
+    if (p->i != a->i && p->next->i != a->i && p->i != b->i &&
+        p->next->i != b->i && intersects(p, p->next, a, b))
+      return true;
+    p = p->next;
+  } while (p != a);
+
+  return false;
+}
+
+// check if a polygon diagonal is locally inside the polygon
+template <typename N>
+bool Earcut<N>::locallyInside(const Node* a, const Node* b) {
+  return area(a->prev, a, a->next) < 0
+             ? area(a, b, a->next) >= 0 && area(a, a->prev, b) >= 0
+             : area(a, b, a->prev) < 0 || area(a, a->next, b) < 0;
+}
+
+// check if the middle Vertex of a polygon diagonal is inside the polygon
+template <typename N>
+bool Earcut<N>::middleInside(const Node* a, const Node* b) {
+  const Node* p = a;
+  bool inside = false;
+  double px = (a->x + b->x) / 2;
+  double py = (a->y + b->y) / 2;
+  do {
+    if (((p->y > py) != (p->next->y > py)) && p->next->y != p->y &&
+        (px < (p->next->x - p->x) * (py - p->y) / (p->next->y - p->y) + p->x))
+      inside = !inside;
+    p = p->next;
+  } while (p != a);
+
+  return inside;
+}
+
+// link two polygon vertices with a bridge; if the vertices belong to the same
+// ring, it splits polygon into two; if one belongs to the outer ring and
+// another to a hole, it merges it into a single ring
+template <typename N>
+typename Earcut<N>::Node* Earcut<N>::splitPolygon(Node* a, Node* b) {
+  Node* a2 = nodes.construct(a->i, a->x, a->y);
+  Node* b2 = nodes.construct(b->i, b->x, b->y);
+  Node* an = a->next;
+  Node* bp = b->prev;
+
+  a->next = b;
+  b->prev = a;
+
+  a2->next = an;
+  an->prev = a2;
+
+  b2->next = a2;
+  a2->prev = b2;
+
+  bp->next = b2;
+  b2->prev = bp;
+
+  return b2;
+}
+
+// create a node and util::optionally link it with previous one (in a circular
+// doubly linked list)
+template <typename N>
+template <typename Point>
+typename Earcut<N>::Node* Earcut<N>::insertNode(std::size_t i, const Point& pt,
+                                                Node* last) {
+  Node* p = nodes.construct(static_cast<N>(i), util::nth<0, Point>::get(pt),
+                            util::nth<1, Point>::get(pt));
+
+  if (!last) {
+    p->prev = p;
+    p->next = p;
+
+  } else {
+    assert(last);
+    p->next = last->next;
+    p->prev = last;
+    last->next->prev = p;
+    last->next = p;
+  }
+  return p;
+}
+
+template <typename N>
+void Earcut<N>::removeNode(Node* p) {
+  p->next->prev = p->prev;
+  p->prev->next = p->next;
+
+  if (p->prevZ) p->prevZ->nextZ = p->nextZ;
+  if (p->nextZ) p->nextZ->prevZ = p->prevZ;
+}
+}  // namespace detail
+
+template <typename N = uint32_t, typename Polygon>
+std::vector<N> earcut(const Polygon& poly) {
+  mapbox::detail::Earcut<N> earcut;
+  earcut(poly);
+  return std::move(earcut.indices);
+}
+}  // namespace mapbox

engine/inc/loaders/3d/obj_loader/obj_loader.hpp

@@ -0,0 +1,67 @@
+/*
+# _____        ____   ___
+#   |     \/   ____| |___|
+#   |     |   |   \  |   |
+#-----------------------------------------------------------------------
+# Copyright 2022, tyra - https://github.com/h4570/tyra
+# Licensed under Apache License 2.0
+# Sandro Sobczyński <sandro.sobczynski@gmail.com>
+*/
+
+#pragma once
+
+#include "../builder/mesh_builder_data.hpp"
+#include <string>
+#include "renderer/models/color.hpp"
+#include "loaders/3d/obj_loader/tiny_obj_loader.hpp"
+#include <memory.h>
+#include <optional>
+
+namespace Tyra {
+
+struct ObjLoaderAnimationOptions {
+  u16 count = 1;
+  u16 startingIndex = 1;
+};
+
+struct ObjLoaderOptions {
+  bool flipUVs = false;
+  float scale = 1.0F;
+  ObjLoaderAnimationOptions animation;
+};
+
+struct MaterialVertexCount {
+  size_t materialId;
+  int count;
+};
+
+/** Class responsible for loading & parsing obj files */
+class ObjLoader {
+ public:
+  static std::unique_ptr<MeshBuilderData> load(const char* fullpath);
+  static std::unique_ptr<MeshBuilderData> load(const char* fullpath,
+                                               const ObjLoaderOptions& options);
+  static std::unique_ptr<MeshBuilderData> load(const std::string& fullpath);
+  static std::unique_ptr<MeshBuilderData> load(const std::string& fullpath,
+                                               const ObjLoaderOptions& options);
+
+ private:
+  static void addOutputMaterialsAndFrames(
+      MeshBuilderData* output, const tinyobj::attrib_t& attrib,
+      const std::vector<tinyobj::shape_t>& shapes,
+      const std::vector<tinyobj::material_t>& materials, const u16& framesCount,
+      std::vector<MaterialVertexCount>& materialVertexCounts);
+
+  static std::vector<MaterialVertexCount> scan(
+      const std::vector<tinyobj::shape_t>& shapes,
+      const std::vector<tinyobj::material_t>& materials);
+
+  static void importFrame(MeshBuilderData* output,
+                          const tinyobj::attrib_t& attrib,
+                          const std::vector<tinyobj::shape_t>& shapes,
+                          const std::vector<tinyobj::material_t>& materials,
+                          const u16& frameIndex, const float& scale,
+                          const bool& invertY, const u16& count);
+};
+
+}  // namespace Tyra

engine/inc/loaders/texture/base/texture_loader.hpp

@@ -0,0 +1,34 @@
+/*
+# _____        ____   ___
+#   |     \/   ____| |___|
+#   |     |   |   \  |   |
+#-----------------------------------------------------------------------
+# Copyright 2022, tyra - https://github.com/h4570/tyra
+# Licensed under Apache License 2.0
+# Sandro Sobczyński <sandro.sobczynski@gmail.com>
+*/
+
+#pragma once
+
+#include "loaders/texture/builder/texture_builder_data.hpp"
+#include "renderer/core/texture/models/texture_bpp.hpp"
+#include <string>
+
+namespace Tyra {
+class TextureLoader {
+ public:
+  /**
+   * @brief Loads texture data from file.
+   * Sets size, name and data.
+   * @param fullpath Full path to texture file. Example: "host:texture.png"
+   */
+  virtual TextureBuilderData* load(const char* fullpath) = 0;
+
+  inline TextureBuilderData* load(const std::string& fullpath) {
+    return load(fullpath.c_str());
+  }
+
+  u32 getTextureSize(const u32& width, const u32& height,
+                     const TextureBpp& bpp);
+};
+}  // namespace Tyra

engine/inc/loaders/texture/base/texture_loader_selector.hpp

@@ -0,0 +1,34 @@
+/*
+# _____        ____   ___
+#   |     \/   ____| |___|
+#   |     |   |   \  |   |
+#-----------------------------------------------------------------------
+# Copyright 2022, tyra - https://github.com/h4570/tyra
+# Licensed under Apache License 2.0
+# Sandro Sobczyński <sandro.sobczynski@gmail.com>
+*/
+
+#pragma once
+
+#include "loaders/texture/base/texture_loader.hpp"
+#include "loaders/texture/png_loader.hpp"
+#include <string>
+
+namespace Tyra {
+class TextureLoaderSelector {
+ public:
+  TextureLoaderSelector();
+  ~TextureLoaderSelector();
+
+  TextureLoader& getLoaderByFileName(const char* fullpath);
+
+  inline TextureLoader& getLoaderByFileName(const std::string& fullpath) {
+    return getLoaderByFileName(fullpath.c_str());
+  }
+
+  TextureLoader& getLoaderByExtension(const std::string& extension);
+
+ private:
+  PngLoader pngLoader;
+};
+}  // namespace Tyra

engine/inc/loaders/texture/builder/texture_builder_data.hpp

@@ -0,0 +1,36 @@
+/*
+# _____        ____   ___
+#   |     \/   ____| |___|
+#   |     |   |   \  |   |
+#-----------------------------------------------------------------------
+# Copyright 2022, tyra - https://github.com/h4570/tyra
+# Licensed under Apache License 2.0
+# Sandro Sobczyński <sandro.sobczynski@gmail.com>
+*/
+
+#pragma once
+
+#include <tamtypes.h>
+#include <string>
+#include "renderer/core/texture/models/texture_bpp.hpp"
+
+namespace Tyra {
+
+class TextureBuilderData {
+ public:
+  TextureBuilderData();
+  ~TextureBuilderData();
+
+  std::string name;
+
+  int width, height;
+  unsigned char* data;
+  TextureBpp bpp;
+  unsigned char gsComponents;
+
+  int clutWidth, clutHeight;
+  unsigned char* clut;
+  TextureBpp clutBpp;
+  unsigned char clutGsComponents;
+};
+}  // namespace Tyra

engine/inc/loaders/texture/png_loader.hpp

@@ -0,0 +1,68 @@
+/*
+# _____        ____   ___
+#   |     \/   ____| |___|
+#   |     |   |   \  |   |
+#-----------------------------------------------------------------------
+# Copyright 2022, tyra - https://github.com/h4570/tyra
+# Licensed under Apache License 2.0
+# Sandro Sobczyński <sandro.sobczynski@gmail.com>
+*/
+
+#pragma once
+
+#include "loaders/texture/base/texture_loader.hpp"
+#include "renderer/core/texture/models/texture.hpp"
+
+#ifdef INTELLISENSE
+typedef void* png_structp;
+typedef void* png_bytep;
+typedef void* png_infop;
+typedef void* png_colorp;
+#else
+#include <png.h>
+#endif
+
+namespace Tyra {
+
+struct PngPixel3 {
+  u8 r, g, b;
+};
+
+struct PngPixel4 {
+  u8 r, g, b, a;
+};
+
+class PngLoader : public TextureLoader {
+ public:
+  PngLoader();
+  ~PngLoader();
+
+  inline TextureBuilderData* load(const std::string& fullpath) {
+    return load(fullpath.c_str());
+  }
+
+  TextureBuilderData* load(const char* fullpath);
+
+ private:
+  void handle32bpp(TextureBuilderData* result, png_structp pngPtr,
+                   png_infop infoPtr, png_bytep* rowPointers);
+
+  void handle24bpp(TextureBuilderData* result, png_structp pngPtr,
+                   png_infop infoPtr, png_bytep* rowPointers);
+
+  void handlePalletized(TextureBuilderData* result, png_structp pngPtr,
+                        png_infop infoPtr, png_bytep* rowPointers,
+                        const int& bitDepth);
+
+  void handle8bppPalletized(TextureBuilderData* result, png_structp pngPtr,
+                            png_infop infoPtr, png_bytep* rowPointers,
+                            png_colorp palette, png_bytep trans,
+                            const int& numPallete, const int& numTrans);
+
+  void handle4bppPalletized(TextureBuilderData* result, png_structp pngPtr,
+                            png_infop infoPtr, png_bytep* rowPointers,
+                            png_colorp palette, png_bytep trans,
+                            const int& numPallete, const int& numTrans);
+};
+
+}  // namespace Tyra

engine/inc/math/m4x4.hpp

@@ -0,0 +1,116 @@
+/*
+# _____        ____   ___
+#   |     \/   ____| |___|
+#   |     |   |   \  |   |
+#-----------------------------------------------------------------------
+# Copyright 2022, tyra - https://github.com/h4570/tyra
+# Licensed under Apache License 2.0
+# Sandro Sobczyński <sandro.sobczynski@gmail.com>
+*/
+
+#pragma once
+
+#include "math/vec4.hpp"
+#include "math/math.hpp"
+#include <string>
+
+namespace Tyra {
+
+class M4x4 {
+ public:
+  MATRIX data alignas(sizeof(float) * 16);
+
+  static const M4x4 Identity;
+
+  /** Create matrix with random values */
+  M4x4() {}
+
+  M4x4(const M4x4& v) { copy(this, v); }
+
+  explicit M4x4(const float* v) { copy(this, v); }
+
+  M4x4(const float& m11, const float& m12, const float& m13, const float& m14,
+       const float& m21, const float& m22, const float& m23, const float& m24,
+       const float& m31, const float& m32, const float& m33, const float& m34,
+       const float& m41, const float& m42, const float& m43, const float& m44);
+
+  static void copy(M4x4* out, const float* in);
+  static void copy(M4x4* out, const M4x4& in);
+
+  void operator=(const M4x4& v);
+  Vec4 operator*(const Vec4& v) const;
+  M4x4 operator*(const M4x4& v) const;
+  void operator*=(const M4x4& v);
+  float& operator[](const u8& index);
+
+  /**
+   * 1 0 0 0
+   * 0 1 0 0
+   * 0 0 1 0
+   * 0 0 0 1
+   */
+  void identity();
+
+  inline void unit() { identity(); }
+
+  void set(const float& m11, const float& m12, const float& m13,
+           const float& m14, const float& m21, const float& m22,
+           const float& m23, const float& m24, const float& m31,
+           const float& m32, const float& m33, const float& m34,
+           const float& m41, const float& m42, const float& m43,
+           const float& m44);
+
+  void translate(const Vec4& v);
+  void translateX(const float& v);
+  void translateY(const float& v);
+  void translateZ(const float& v);
+
+  void rotateByAngle(const float& angle, const Vec4& axis);
+  void rotate(const Vec4& v);
+  void rotateX(const float& radians);
+  void rotateY(const float& radians);
+  void rotateZ(const float& radians);
+
+  void scale(const float& v);
+  void scale(const Vec4& v);
+  void scaleX(const float& v);
+  void scaleY(const float& v);
+  void scaleZ(const float& v);
+
+  /** Create perspective projection M4x4 (gluPerspective) */
+  static M4x4 perspective(const float& fov, const float& width,
+                          const float& height, const float& projectionScale,
+                          const float& aspectRatio, const float& near,
+                          const float& far);
+
+  /**
+   * Create a view M4x4 that transforms coordinates in
+   * such a way that the user looks at a target vector
+   * direction from a position vector (glLookAt)
+   */
+  static M4x4 lookAt(const Vec4& position, const Vec4& target);
+  static void lookAt(M4x4* res, const Vec4& position, const Vec4& target);
+
+  void print() const;
+  void print(const char* name) const;
+  void print(const std::string& name) const { print(name.c_str()); }
+  std::string getPrint(const char* name = nullptr) const;
+
+ private:
+  static float upVec[4] alignas(sizeof(float) * 4);
+  static float viewVec[4] alignas(sizeof(float) * 4);
+
+  static void cross(float res[16], const float a[16], const float b[16]);
+  void rotationX(const float& v);
+  void rotationY(const float& v);
+  void rotationZ(const float& v);
+  void rotationByAngle(const float& angle, const Vec4& axis);
+  void translationX(const float& v);
+  void translationY(const float& v);
+  void translationZ(const float& v);
+  void setScale(const Vec4& val);
+  static M4x4 setCamera(const float pos[4], const float vz[4],
+                        const float vy[4]);
+};
+
+}  // namespace Tyra

engine/inc/math/math.hpp

@@ -0,0 +1,44 @@
+/*
+# _____        ____   ___
+#   |     \/   ____| |___|
+#   |     |   |   \  |   |
+#-----------------------------------------------------------------------
+# Copyright 2022, tyra - https://github.com/h4570/tyra
+# Licensed under Apache License 2.0
+# Sandro Sobczyński <sandro.sobczynski@gmail.com>
+*/
+
+#pragma once
+
+extern "C" {
+#include <tamtypes.h>
+}
+
+#include <math.h>
+
+namespace Tyra {
+
+class Math {
+ public:
+  constexpr static float HALF_ANG2RAD = 3.14159265358979323846F / 360.0F;
+  constexpr static float ANG2RAD = 3.14159265358979323846F / 180.0F;
+  constexpr static float PI = 3.1415926535897932384626433832795F;
+  constexpr static float HALF_PI = 1.5707963267948966192313216916398F;
+  static float cos(float x);
+  static float asin(float x);
+  static float atan2(float y, float x);
+  static float mod(const float& x, const float& y);
+  static float acos(const float& x);
+  static float sin(const float& x);
+  static float tan(const float& x);
+  static float invSqrt(const float& x);
+  static float randomf(const float& min, const float& max);
+  static int randomi(const int& min, const int& max);
+  static bool equalf(const float& a, const float& b,
+                     const float& epsilon = 0.00001F);
+
+ private:
+  Math();
+};
+
+}  // namespace Tyra

engine/inc/math/plane.hpp

@@ -0,0 +1,37 @@
+/*
+# _____        ____   ___
+#   |     \/   ____| |___|
+#   |     |   |   \  |   |
+#-----------------------------------------------------------------------
+# Copyright 2022, tyra - https://github.com/h4570/tyra
+# Licensed under Apache License 2.0
+# Sandro Sobczyński <sandro.sobczynski@gmail.com>
+*/
+
+#pragma once
+
+#include "./vec4.hpp"
+#include <string>
+
+namespace Tyra {
+
+class Plane {
+ public:
+  Vec4 normal;
+  float distance;
+
+  Plane();
+  Plane(const Vec4& a, const Vec4& b, const Vec4& c);
+  ~Plane();
+
+  void update(const Vec4& a, const Vec4& b, const Vec4& c);
+
+  float distanceTo(const Vec4& t_vec) const;
+
+  void print() const;
+  void print(const char* name) const;
+  void print(const std::string& name) const { print(name.c_str()); }
+  std::string getPrint(const char* name = nullptr) const;
+};
+
+}  // namespace Tyra

engine/inc/math/vec2.hpp

@@ -0,0 +1,70 @@
+/*
+# _____        ____   ___
+#   |     \/   ____| |___|
+#   |     |   |   \  |   |
+#-----------------------------------------------------------------------
+# Copyright 2022, tyra - https://github.com/h4570/tyra
+# Licensed under Apache License 2.0
+# Sandro Sobczyński <sandro.sobczynski@gmail.com>
+*/
+
+#pragma once
+
+extern "C" {
+#include <stdio.h>
+#include <tamtypes.h>
+}
+
+#include <string>
+#include "math/math.hpp"
+
+namespace Tyra {
+
+class Vec2 {
+ public:
+  union {
+    struct {
+      float x;
+      float y;
+    };
+    float xy[2] alignas(sizeof(float) * 2);
+  };
+
+  Vec2(const float& t_x, const float& t_y);
+  Vec2(const Vec2& v);
+  Vec2();
+  ~Vec2();
+
+  void operator=(const Vec2& v);
+
+  Vec2 operator+(const Vec2& v) const;
+  Vec2 operator-(const Vec2& v) const;
+  Vec2 operator*(const Vec2& v) const;
+  Vec2 operator/(const Vec2& v) const;
+
+  Vec2 operator+(const float& v) const;
+  Vec2 operator-(const float& v) const;
+  Vec2 operator*(const float& v) const;
+  Vec2 operator/(const float& v) const;
+
+  void operator+=(const Vec2& v);
+  void operator-=(const Vec2& v);
+  void operator*=(const Vec2& v);
+  void operator/=(const Vec2& v);
+
+  void operator+=(const float& v);
+  void operator-=(const float& v);
+  void operator*=(const float& v);
+  void operator/=(const float& v);
+
+  void set(const float& t_x, const float& t_y);
+  void set(const Vec2& v);
+  void rotate(const float& t_angle, const float& t_x, const float& t_y);
+
+  void print() const;
+  void print(const char* name) const;
+  void print(const std::string& name) const { print(name.c_str()); }
+  std::string getPrint(const char* name = nullptr) const;
+};
+
+}  // namespace Tyra

engine/inc/math/vec4.hpp

@@ -0,0 +1,161 @@
+/*
+# _____        ____   ___
+#   |     \/   ____| |___|
+#   |     |   |   \  |   |
+#-----------------------------------------------------------------------
+# Copyright 2022, tyra - https://github.com/h4570/tyra
+# Licensed under Apache License 2.0
+# Sandro Sobczyński <sandro.sobczynski@gmail.com>
+*/
+
+#pragma once
+
+extern "C" {
+#include <stdio.h>
+#include <tamtypes.h>
+}
+
+#include <math3d.h>
+#include <string>
+#include "math/math.hpp"
+
+namespace Tyra {
+
+class Vec4 {
+ public:
+  union {
+    struct {
+      float x;
+      float y;
+      float z;
+      float w;
+    };
+    VECTOR xyzw alignas(sizeof(float) * 4);
+  };
+
+  static void copy(Vec4* out, const float* in);
+  static inline void copy(Vec4* out, const Vec4& in) { copy(out, in.xyzw); }
+
+  static const Vec4 Identity;
+
+  /** Initialize Vec4 without setting default values */
+  Vec4() {}
+
+  /** Initialize Vec4 with provided values */
+  Vec4(const float& x, const float& y = 0.0F, const float& z = 0.0F,
+       const float& w = 1.0F)
+      : x(x), y(y), z(z), w(w) {}
+
+  /** Initialize Vec4 with other Vec4 values */
+  Vec4(const Vec4& v) { copy(this, v); }
+
+  /** Initialize Vec4 with float[4] values */
+  explicit Vec4(const float* v) { copy(this, v); }
+
+  /** copy */
+  void operator=(const Vec4& v);
+
+  /** negate xyz */
+  Vec4 operator-(void) const;
+
+  /** xyz + xyz */
+  Vec4 operator+(const Vec4& v) const;
+  void operator+=(const Vec4& v);
+
+  /** xyz - xyz */
+  Vec4 operator-(const Vec4& v) const;
+  void operator-=(const Vec4& v);
+
+  /** xyzw * xyzw */
+  Vec4 operator*(const Vec4& v) const;
+  void operator*=(const Vec4& v);
+
+  /** xyzw / xyzw */
+  Vec4 operator/(const Vec4& v) const;
+  void operator/=(const Vec4& v);
+
+  /** xyz * v */
+  Vec4 operator*(const float& v) const;
+  void operator*=(const float& v);
+
+  /** xyz / v */
+  Vec4 operator/(const float& v) const;
+  void operator/=(const float& v);
+
+  /** (0,0,0,1) */
+  void unit();
+
+  inline void set(const Vec4& v) { copy(this, v.xyzw); }
+  inline void set(const float* v) { copy(this, v); }
+  void set(const float& x, const float& y = 0.0F, const float& z = 0.0F,
+           const float& w = 1.0F);
+
+  Vec4 cross(const Vec4& v) const;
+
+  void rotateZ(const int& angle);
+
+  int getRelativeCosBetween(const Vec4& v) const;
+  int getRelativeAngleBetween(const Vec4& v) const;
+
+  float innerProduct(const Vec4& v) const;
+  inline float dot3(const Vec4& v) const { return innerProduct(v); }
+
+  /** Get vector length */
+  float length() const;
+
+  /** Normalize vector */
+  void normalize();
+
+  Vec4 getNormalized() const;
+
+  /** Returns distance between two vectors */
+  float distanceTo(const Vec4& v) const;
+
+  /**
+   * Checks intersection with given box
+   * @param min Opposite min vertex (ex. near, left, down vertex of bounding
+   * box)
+   * @param max Opposite max vertex (ex. far, right, up vertex of bounding
+   * box)
+   */
+  bool collidesBox(const Vec4& min, const Vec4& max) const;
+
+  /**
+   * Checks if this vector is on given box (this->y >= box.y)
+   * @param min Opposite min vertex (ex. near, left, down vertex of bounding
+   * box)
+   * @param max Opposite max vertex (ex. far, right, up vertex of bounding
+   * box)
+   */
+  bool isOnBox(const Vec4& min, const Vec4& max) const;
+
+  /** Check if given triangle should be backface culled */
+  static u8 shouldBeBackfaceCulled(const Vec4* cameraPos, const Vec4* v0,
+                                   const Vec4* v1, const Vec4* v2);
+
+  /**
+   * Update this vector by linear interpolation between two vertices
+   * @param v1 Before vertex
+   * @param v2 After vertex
+   * @param interp State of interpolation
+   */
+  void lerp(const Vec4& v1, const Vec4& v2, const float& interp);
+
+  /**
+   * Get vector by linear interpolation between two vertices
+   * @param v1 Before vertex
+   * @param v2 After vertex
+   * @param interp State of interpolation
+   */
+  static Vec4 getByLerp(const Vec4& v1, const Vec4& v2, const float& interp);
+
+  void print() const;
+  void print(const char* name) const;
+  void print(const std::string& name) const { print(name.c_str()); }
+  std::string getPrint(const char* name = nullptr) const;
+
+  static void setLerp(Vec4* output, const Vec4& v1, const Vec4& v2,
+                      const float& interp);
+};
+
+}  // namespace Tyra