1 files changed, 77 insertions, 0 deletions
diff --git a/src/AssetManager.hpp b/src/AssetManager.hpp
new file mode 100644
index 0000000..ba5546b
--- /dev/null
+++ b/src/AssetManager.hpp
@@ -0,0 +1,77 @@
+#pragma once
+
+#include <experimental/filesystem>
+#include <map>
+
+#include <GL/glew.h>
+#include <glm/vec4.hpp>
+#include <nlohmann/json.hpp>
+
+#include "Block.hpp"
+#include "Texture.hpp"
+
+struct TextureCoordinates {
+	TextureCoordinates(float x = -1, float y = -1, float w = -1, float h = -1) : x(x), y(y), w(w), h(h) {}
+
+	bool operator==(const TextureCoordinates &rhs) const {
+		return x == rhs.x &&
+		       y == rhs.y &&
+		       w == rhs.w &&
+		       h == rhs.h;
+	}
+
+	explicit operator bool() const {
+		return !(*this == TextureCoordinates(-1, -1, -1, -1));
+	}
+
+	float x, y, w, h;
+};
+
+struct BlockTextureId {
+	//Block sides: 0 - bottom, 1 - top, 2 - north, 3 - south, 4 - west, 5 - east 6 - every side
+	BlockTextureId(int id = 0, int state = 0, int side = 6) : id(id), state(state), side(side) {}
+
+	int id:9;
+	int state:4;
+	int side:3;
+
+
+	bool operator<(const BlockTextureId &rhs) const {
+		if (id < rhs.id)
+			return true;
+		if (rhs.id < id)
+			return false;
+		if (state < rhs.state)
+			return true;
+		if (rhs.state < state)
+			return false;
+		return side < rhs.side;
+	}
+};
+
+class AssetManager {
+	Texture *textureAtlas;
+	std::map<std::string, Block> assetIds;
+	std::map<std::string, TextureCoordinates> assetTextures;
+	std::map<BlockTextureId,glm::vec4> textureAtlasIndexes;
+public:
+	AssetManager();
+
+	~AssetManager();
+
+	void LoadTextureResources();
+
+	TextureCoordinates GetTextureByAssetName(std::string AssetName);
+
+	std::string GetTextureAssetNameByBlockId(BlockTextureId block);
+
+	GLuint GetTextureAtlas();
+
+	const std::map<BlockTextureId,glm::vec4> &GetTextureAtlasIndexes();
+
+	void LoadIds();
+
+	TextureCoordinates GetTextureByBlock(BlockTextureId block);
+
+	static AssetManager& Instance();
+};