implemented alpha texture repository

src/engine/include/models/mesh.hpp

@@ -54,8 +54,23 @@ public:
     u8 isMd2Loaded, isObjLoaded, isDffLoaded, isSpecInitialized;
     clutbuffer_t clut;
     lod_t lod;
+    u32 id;
     MeshTexture *textures;
 
+    /** Array of materials. Size of getMaterialsCount() */
+    MeshMaterial *getMaterials() const { return obj->frames[0].getMaterials(); };
+
+    const u32 &getMaterialsCount() const { return obj->frames[0].getMaterialsCount(); };
+
+    /** Returns material, which is a mesh "subgroup". */
+    MeshMaterial &getMaterial(const u32 &i) const { return obj->frames[0].getMaterial(i); };
+
+    /** 
+     * Returns material, which is a mesh "subgroup".
+     * NULL if not found.
+     */
+    MeshMaterial *getMaterialById(const u32 &t_id) const { return obj->frames[0].getMaterialById(t_id); }
+
 private:
     void setupLodAndClut();
     void setDefaultWrapSettings(texwrap_t &t_wrapSettings);

src/engine/include/models/mesh_frame.hpp

@@ -11,6 +11,7 @@
 #ifndef _TYRA_MESH_FRAME_
 #define _TYRA_MESH_FRAME_
 
+#include <stddef.h>
 #include <tamtypes.h>
 #include "math/point.hpp"
 #include "math/vector3.hpp"
@@ -50,6 +51,18 @@ public:
     /** Returns material, which is a mesh "subgroup". */
     MeshMaterial &getMaterial(const u32 &i) const { return materials[i]; };
 
+    /** 
+     * Returns material, which is a mesh "subgroup".
+     * NULL if not found.
+     */
+    MeshMaterial *getMaterialById(const u32 &t_id) const
+    {
+        for (u32 i = 0; i < materialsCount; i++)
+            if (materials[i].getId() == t_id)
+                return &materials[i];
+        return NULL;
+    }
+
     /** Array of vertices. Size of getVertexCount() */
     Vector3 *getVertices() const { return vertices; };
 

src/engine/include/models/mesh_texture.hpp

@@ -106,15 +106,23 @@ public:
     // ----
 
     /** Assign texture to mesh and mesh material */
-    void addLink(u32 t_meshId, u32 t_materialId);
+    void addLink(const u32 &t_meshId, const u32 &t_materialId);
 
     /** Remove mesh and mesh material assignment */
-    void removeLink(u32 t_meshId, u32 t_materialId);
+    void removeLink(const u32 &t_meshId, const u32 &t_materialId);
 
     const u8 &isNameSet() const { return _isNameSet; };
 
     const u8 &isSizeSet() const { return _isSizeSet; };
 
+    const u8 isLinkedWith(const u32 &t_meshId, const u32 &t_materialId) const
+    {
+        for (u32 i = 0; i < texLinkCount; i++)
+            if (texLinks[i].materialId == t_materialId && texLinks[i].meshId == t_meshId)
+                return true;
+        return false;
+    };
+
 private:
     void setDefaultWrapSettings();
     texwrap_t wrapSettings;

src/engine/include/modules/renderer.hpp

@@ -59,7 +59,7 @@ public:
     TextureRepository *getTextureRepository() { return &textureRepo; };
 
 private:
-    void changeTexture(Mesh *t_mesh, u8 t_textureIndex);
+    void changeTexture(Mesh *t_mesh, u32 t_materialId);
     u32 lastTextureId;
     texbuffer_t textureBuffer;
     u8 isTextureVRAMAllocated;

src/engine/include/modules/texture_repository.hpp

@@ -14,6 +14,8 @@
 #include <tamtypes.h>
 #include <draw_buffers.h>
 #include "../models/mesh.hpp"
+#include "../models/mesh_frame.hpp"
+#include "../loaders/bmp_loader.hpp"
 
 /** Class responsible for intializing draw env, textures and buffers */
 class TextureRepository
@@ -23,7 +25,64 @@ public:
     TextureRepository();
     ~TextureRepository();
 
+    // ----
+    // Getters
+    // ----
+
+    /** Returns all repository textures. */
+    MeshTexture **getAll() const { return textures; }
+
+    const u32 &getTexturesCount() const { return texturesCount; };
+
+    /** 
+     * Returns single texture.
+     * NULL if not found.
+     */
+    MeshTexture *getByMesh(const u32 &t_meshId, const u32 &t_materialId)
+    {
+        for (u32 i = 0; i < texturesCount; i++)
+            if (textures[i]->isLinkedWith(t_meshId, t_materialId))
+                return textures[i];
+        return NULL;
+    }
+
+    /** 
+     * Returns single texture.
+     * NULL if not found.
+     */
+    MeshTexture *getByTextureId(const u32 &t_id) const
+    {
+        for (u32 i = 0; i < texturesCount; i++)
+            if (t_id == textures[i]->getId())
+                return textures[i];
+        return NULL;
+    }
+
+    // ----
+    //  Setters
+    // ----
+
+    // ----
+    //  Other
+    // ----
+
+    /** Add single unlinked texture to repository. */
+    MeshTexture *add(char *t_subfolder, char *t_name);
+
+    /** Add linked textures in given subpath for mesh material names. */
+    void addByMesh(char *t_path, Mesh &mesh);
+
+    /** 
+     * Remove texture from repository.
+     * Texture is NOT destructed.
+     */
+    void remove(u32 textureId);
+
 private:
+    void increaseArray(u32 newLength);
+    u32 texturesCount;
+    MeshTexture **textures;
+    BmpLoader loader;
 };
 
 #endif

src/engine/loaders/bmp_loader.cpp

@@ -32,7 +32,7 @@ BmpLoader::~BmpLoader() {}
  */
 void BmpLoader::load(MeshTexture &o_texture, char *t_subfolder, char *t_name, char *t_extension)
 {
-    o_texture.setName(t_name);
+
     char *t_path_part = String::createConcatenated(t_subfolder, t_name);
     char *t_path = String::createConcatenated(t_path_part, t_extension);
     delete[] t_path_part;

src/engine/models/mesh.cpp

@@ -17,6 +17,7 @@
 #include "../include/models/mesh_texture.hpp"
 #include "../include/utils/debug.hpp"
 #include "../include/utils/string.hpp"
+#include <cstdlib>
 
 // ----
 // Constructors/Destructors
@@ -31,6 +32,7 @@ Mesh::Mesh()
     isObjLoaded = false;
     isDffLoaded = false;
     isSpecInitialized = false;
+    id = rand() % 1000000;
     scale = 1.0F;
 }
 
@@ -110,7 +112,6 @@ void Mesh::loadObj(char *t_subfolder, char *t_objFile, Vector3 &t_initPos, float
     setVerticesReference(obj->getFacesCount(), obj->frames[0].getVertices());
     setDefaultColor();
     isObjLoaded = true;
-    loadTextures(t_subfolder, ".bmp");
 }
 
 void Mesh::setObj(Vector3 &t_initPos, ObjModel *t_objModel)
@@ -171,12 +172,6 @@ void Mesh::loadTextures(char *t_subfolder, char *t_extension)
     BmpLoader bmpLoader = BmpLoader();
     if (isObjLoaded)
     {
-        textures = new MeshTexture[obj->frames[0].getMaterialsCount()];
-        for (u8 i = 0; i < obj->frames[0].getMaterialsCount(); i++)
-        {
-            bmpLoader.load(textures[i], t_subfolder, obj->frames[0].getMaterial(i).getName(), t_extension);
-            // setDefaultWrapSettings(spec->textures[i].wrapSettings);
-        }
     }
     else if (isMd2Loaded)
     {

src/engine/models/mesh_material.cpp

@@ -19,7 +19,7 @@
 
 MeshMaterial::MeshMaterial()
 {
-    id = rand() % 100000;
+    id = rand() % 1000000;
     facesCount = 0;
     _isNameSet = false;
     _areFacesAllocated = false;

src/engine/models/mesh_texture.cpp

@@ -20,7 +20,7 @@
 
 MeshTexture::MeshTexture()
 {
-    id = rand() % 100000;
+    id = rand() % 1000000;
     texLinkCount = 0;
     _isSizeSet = false;
     _isNameSet = false;
@@ -81,30 +81,33 @@ void MeshTexture::setWrapSettings(const WrapSettings t_horizontal, const WrapSet
     wrapSettings.vertical = t_vertical;
 }
 
-void MeshTexture::addLink(u32 t_meshId, u32 t_materialId)
+void MeshTexture::addLink(const u32 &t_meshId, const u32 &t_materialId)
 {
     TextureLink *savedLinks = texLinks;
-    texLinks = new TextureLink[++texLinkCount];
+    texLinks = new TextureLink[texLinkCount + 1];
-    for (u32 i = 0; i < texLinkCount - 1; i++)
+    for (u32 i = 0; i < texLinkCount; i++)
     {
         texLinks[i].materialId = savedLinks[i].materialId;
         texLinks[i].meshId = savedLinks[i].meshId;
     }
+    if (texLinkCount != 0)
         delete[] savedLinks;
+    texLinkCount++;
     texLinks[texLinkCount - 1].materialId = t_materialId;
     texLinks[texLinkCount - 1].meshId = t_meshId;
 }
 
-void MeshTexture::removeLink(u32 t_meshId, u32 t_materialId)
+void MeshTexture::removeLink(const u32 &t_meshId, const u32 &t_materialId)
 {
     TextureLink *savedLinks = texLinks;
-    texLinks = new TextureLink[--texLinkCount];
+    texLinks = new TextureLink[texLinkCount - 1];
     u32 savedCount = 0;
-    for (u32 i = 0; i < texLinkCount + 1; i++)
+    for (u32 i = 0; i < texLinkCount; i++)
         if (savedLinks[i].materialId != t_materialId && savedLinks[i].meshId != t_meshId)
         {
             texLinks[savedCount++].materialId = savedLinks[i].materialId;
             texLinks[savedCount++].meshId = savedLinks[i].meshId;
         }
     delete[] savedLinks;
+    texLinkCount--;
 }

src/engine/modules/renderer.cpp

@@ -81,16 +81,22 @@ void Renderer::deallocateTextureBuffer()
     }
 }
 
-void Renderer::changeTexture(Mesh *t_mesh, u8 t_textureIndex)
+void Renderer::changeTexture(Mesh *t_mesh, u32 t_materialId)
 {
-    if (t_mesh->textures[t_textureIndex].getId() != lastTextureId)
+    MeshTexture *tex = textureRepo.getByMesh(t_mesh->id, t_materialId);
+    if (tex != NULL)
     {
-        lastTextureId = t_mesh->textures[t_textureIndex].getId();
+        if (tex->getId() != lastTextureId)
+        {
+            lastTextureId = tex->getId();
             deallocateTextureBuffer();
-        allocateTextureBuffer(t_mesh->textures[t_textureIndex].getWidth(), t_mesh->textures[t_textureIndex].getHeight());
+            allocateTextureBuffer(tex->getWidth(), tex->getHeight());
-        GifSender::sendTexture(t_mesh->textures[t_textureIndex], &textureBuffer);
+            GifSender::sendTexture(*tex, &textureBuffer);
         }
     }
+    else
+        PRINT_ERR("Texture was not found in texture repository!");
+}
 
 /** Initializes drawing environment (1st app packet) */
 void Renderer::initDrawingEnv(float t_screenW, float t_screenH)
@@ -208,9 +214,9 @@ void Renderer::draw(Mesh *t_mesh, LightBulb *t_bulbs, u16 t_bulbsCount)
     if (t_mesh->isObjLoaded)
     {
         t_mesh->obj->animate();
-        for (u32 i = 0; i < t_mesh->obj->frames[0].getMaterialsCount(); i++)
+        for (u32 i = 0; i < t_mesh->getMaterialsCount(); i++)
         {
-            changeTexture(t_mesh, i);
+            changeTexture(t_mesh, t_mesh->getMaterial(i).getId());
             vertCount = t_mesh->getDrawData(i, vertices, normals, coordinates, *renderData.cameraPosition);
             vifSender->drawMesh(&renderData, perspective, vertCount, vertices, normals, coordinates, t_mesh, t_bulbs, t_bulbsCount, &textureBuffer);
         }

src/engine/modules/texture_repository.cpp

@@ -18,7 +18,7 @@
 TextureRepository::TextureRepository()
 {
     PRINT_LOG("Initializing texture repository");
-
+    texturesCount = 0;
     PRINT_LOG("Texture repository initialized!");
 }
 
@@ -27,3 +27,59 @@ TextureRepository::~TextureRepository() {}
 // ----
 // Methods
 // ----
+
+MeshTexture *TextureRepository::add(char *t_subfolder, char *t_name)
+{
+    increaseArray(texturesCount + 1);
+    // texturesCount is updated
+    loader.load(*textures[texturesCount - 1], t_subfolder, t_name, ".bmp");
+    return textures[texturesCount - 1];
+}
+
+void TextureRepository::addByMesh(char *t_path, Mesh &mesh)
+{
+#define MATERIAL mesh.getMaterial(i)
+    u32 newLength = texturesCount + mesh.getMaterialsCount();
+    increaseArray(newLength);
+    for (u8 i = newLength - mesh.getMaterialsCount(); i < newLength; i++)
+    {
+        textures[i] = new MeshTexture();
+        loader.load(*textures[i], t_path, MATERIAL.getName(), ".bmp");
+        textures[i]->setName(mesh.getMaterial(i).getName());
+        textures[i]->addLink(mesh.id, MATERIAL.getId());
+    }
+}
+
+/** 
+ * Remove texture from repository.
+ * Texture is not destructed.
+ */
+void TextureRepository::remove(u32 t_textureId)
+{
+    MeshTexture **savedTextures = textures;
+    textures = new MeshTexture *[texturesCount - 1];
+    u32 savedCount = 0;
+    for (u32 i = 0; i < texturesCount; i++)
+        if (savedTextures[i]->getId() != t_textureId)
+            textures[savedCount++] = savedTextures[i];
+    delete[] savedTextures;
+    texturesCount--;
+}
+
+/** 
+ * Resize textures array. 
+ * texturesCount variable is updated. 
+ * Classes are NOT instantiated. 
+ */
+void TextureRepository::increaseArray(u32 newLength)
+{
+    MeshTexture **savedTextures = textures;
+    textures = new MeshTexture *[newLength];
+    if (texturesCount)
+    {
+        for (u32 i = 0; i < texturesCount; i++)
+            textures[i] = savedTextures[i];
+        delete[] savedTextures;
+    }
+    texturesCount = newLength;
+}

src/samples/ari/ari.cpp

@@ -93,6 +93,8 @@ void Ari::onInit()
     test = new Mesh();
     Vector3 testpos = Vector3(0.0F, 10.0F, 0.0F);
     test->loadObj("objanim/", "untitled", testpos, 10.0F, 2);
+    texRepo->addByMesh("objanim/", *test);
+    // MeshTexture **textures = texRepo->getAll();
     test->playAnimation(0, 1);
     test->shouldBeBackfaceCulled = true;
     // test->shouldBeFrustumCulled = true;