#include <metahook.h>

 #include "qgl.h"

 #include "surface.h"

 extern DWORD g_dwEngineBase, g_dwEngineSize;

 #define GL_LOADTEXTURE_SIG "\xA1\xC8\x20\xEC\x01\x8B\x4C\x24\x20\x8B\x54\x24\x1C\x50\x8B\x44"

 int (*g_pfnGL_LoadTexture)(char *identifier, int textureType, int width, int height, BYTE *data, int mipmap, int iType, BYTE *pPal) = ;

 int GL_LoadTexture(char *identifier, int textureType, int width, int height, BYTE *data, int mipmap, int iType, BYTE *pPal)

 {

     if (width >  || height > )

     {

         static BYTE buffer[ *  * ];

         for (DWORD i = ; i < width * height; ++i)

         {

             buffer[(i * ) + ] = pPal[(data[i] * ) + ];

             buffer[(i * ) + ] = pPal[(data[i] * ) + ];

             buffer[(i * ) + ] = pPal[(data[i] * ) + ];

         }

         int id = g_pSurface->CreateNewTextureID();

         qglBindTexture(GL_TEXTURE_2D, id);

         qglTexImage2D(GL_TEXTURE_2D, , GL_RGB, width, height, , GL_RGB, GL_UNSIGNED_BYTE, buffer);

         qglTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);

         qglTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);

         return id;

     }

     return g_pfnGL_LoadTexture(identifier, textureType, width, height, data, mipmap, iType, pPal);

 }

 void Hook_InstallHook(void)

 {

     g_pfnGL_LoadTexture = (int (*)(char *, int, int, int, BYTE *, int, int, BYTE *))g_pMetaHookAPI->SearchPattern((void *)g_dwEngineBase, g_dwEngineSize, GL_LOADTEXTURE_SIG, sizeof(GL_LOADTEXTURE_SIG) - );

     if (g_pfnGL_LoadTexture)

     {

         g_pMetaHookAPI->InlineHook(g_pfnGL_LoadTexture, GL_LoadTexture, (void *&)g_pfnGL_LoadTexture);

     }

 }