demo update

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