VideoCommon: rewrite custom textures

Source/Core/VideoCommon/HiresTextures.h

@@ -4,15 +4,36 @@
 
 #pragma once
 
-#include <map>
 #include <string>
+#include <unordered_map>
 #include "VideoCommon/TextureDecoder.h"
 #include "VideoCommon/VideoCommon.h"
 
-namespace HiresTextures
+class HiresTexture
 {
-void Init(const std::string& gameCode);
-bool HiresTexExists(const std::string& filename);
-PC_TexFormat GetHiresTex(const std::string& fileName, unsigned int* pWidth, unsigned int* pHeight, unsigned int* required_size, int texformat, unsigned int data_size, u8* data);
+public:
+	static void Init(const std::string& gameCode);
 
-}
+	static HiresTexture* Search(
+		const u8* texture, size_t texture_size,
+		const u8* tlut, size_t tlut_size,
+		u32 width, u32 height,
+		int format
+	);
+
+	~HiresTexture();
+
+	struct Level
+	{
+		u8* data;
+		size_t data_size;
+		u32 width, height;
+	};
+	std::vector<Level> m_levels;
+
+	static std::unordered_map<std::string, std::string> textureMap;
+
+private:
+	HiresTexture() {}
+
+};