Added texture, assets, tools and texture loading.

src/dawn/asset/assets/CMakeLists.txt

@@ -0,0 +1,10 @@
+# Copyright (c) 2022 Dominic Msters
+# 
+# This software is released under the MIT License.
+# https://opensource.org/licenses/MIT
+
+# Sources
+target_sources(${DAWN_TARGET_NAME}
+  PRIVATE
+    TextureAsset.cpp
+)

src/dawn/asset/assets/TextureAsset.cpp

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+// Copyright (c) 2022 Dominic Masters
+// 
+// This software is released under the MIT License.
+// https://opensource.org/licenses/MIT
+
+#include "TextureAsset.hpp"
+
+using namespace Dawn;
+
+TextureAsset::TextureAsset(AssetManager &assetManager, std::string name) :
+  Asset(assetManager, name),
+  loader(name + ".texture")
+{
+  this->texture = std::make_shared<Texture>();
+}
+
+void TextureAsset::updateSync() {
+  if(this->state == 0x00 || this->state == 0x01) return;
+
+  this->state = 0x03;
+  this->texture->setSize(this->width, this->height);
+  this->texture->buffer(this->colors);
+  this->state = 0x04;
+  this->loaded = true;
+}
+
+void TextureAsset::updateAsync() {
+  if(this->state != 0x00) return;
+  this->loader.loadRaw(&this->buffer);
+
+  this->state = 0x01;
+
+  // Parse header data.
+  char integer[32];
+  size_t j = 0, i = 0;
+  while(true) {
+    auto c = this->buffer[i++];
+    if(c == '|') {
+      integer[j] = '\0';
+      if(this->width == -1) {
+        this->width = atoi(integer);
+        if(this->width <= 0) throw "Invalid width";
+        j = 0;
+        continue;
+      } else {
+        this->height = atoi(integer);
+        if(this->height <= 0) throw "Invalid height";
+        break;
+      }
+    }
+    integer[j++] = c;
+  }
+
+  this->colors = (struct Color *)((void *)(this->buffer + i));
+  this->state = 0x02;
+}
+
+TextureAsset::~TextureAsset() {
+  if(this->buffer != nullptr) {
+    memoryFree(this->buffer);
+  }
+}

src/dawn/asset/assets/TextureAsset.hpp

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+// Copyright (c) 2022 Dominic Masters
+// 
+// This software is released under the MIT License.
+// https://opensource.org/licenses/MIT
+
+#pragma once
+#include "../Asset.hpp"
+#include "../AssetLoader.hpp"
+#include "display/Texture.hpp"
+
+namespace Dawn {
+  class TextureAsset : public Asset {
+    protected:
+      AssetLoader loader;
+      uint8_t *buffer = nullptr;
+      int32_t width = -1, height = -1;
+      struct Color *colors;
+
+    public:
+      std::shared_ptr<Texture> texture;
+
+      TextureAsset(AssetManager &assetManager, std::string name);
+
+      void updateSync() override;
+      void updateAsync() override;
+
+      ~TextureAsset();
+  };
+}