Work in progress version of the retexterung support. The next step is to alter

r_LoadPic, so that it accepts realwidth and realheight as additional arguments 
and uses them to manipualte image after uploading it into the vram.

src/refresh/files/jpeg.c

@@ -73,14 +73,29 @@ LoadJPG
 ==============
 */
 image_t *
-LoadJPG (char *filename, int *width, int *height, imagetype_t type)
+LoadJPG (char *oldname, int *width, int *height, imagetype_t type)
 {
 	byte *pic = NULL;
 	struct jpeg_decompress_struct	cinfo;
+	char							filename[256];
 	struct jpeg_error_mgr			jerr;
+	int								len;
 	byte							*rawdata, *rgbadata, *scanline, *p, *q;
 	unsigned int					rawsize, i;
 
+	len = strlen( oldname );
+
+	if ( strcmp( oldname + len - 4, ".jpg" ) )
+	{
+		strncpy(filename, oldname, 256);
+		strncat(filename, ".jpg", 255);
+	}
+	else
+	{
+		strncpy(filename, oldname, 256);
+	}
+
+
 	// Load JPEG file into memory
 	rawsize = ri.FS_LoadFile(filename, (void **)&rawdata);
 

src/refresh/files/pcx.c

@@ -27,14 +27,28 @@
 #include "../header/local.h"
 
 void
-LoadPCX ( char *filename, byte **pic, byte **palette, int *width, int *height )
+LoadPCX ( char *oldname, byte **pic, byte **palette, int *width, int *height )
 {
 	byte    *raw;
 	pcx_t   *pcx;
 	int x, y;
 	int len;
+	int filelen;
 	int dataByte, runLength;
 	byte    *out, *pix;
+	char filename[256];
+
+	filelen = strlen( oldname );
+
+	if ( strcmp( oldname + filelen - 4, ".pcx" ) )
+	{
+		strncpy(filename, oldname, 256);
+		strncat(filename, ".pcx", 255);
+	}
+	else
+	{
+		strncpy(filename, oldname, 256);
+	}
 
 	*pic = NULL;
 	*palette = NULL;

src/refresh/files/tga.c

@@ -36,7 +36,7 @@ typedef struct _TargaHeader
 } TargaHeader;
 
 image_t *
-LoadTGA ( char *name, int *width, int *height, imagetype_t type )
+LoadTGA ( char *oldname, int *width, int *height, imagetype_t type )
 {
 	byte *pic = NULL;
 	int columns, rows, numPixels;
@@ -45,9 +45,24 @@ LoadTGA ( char *name, int *width, int *height, imagetype_t type )
 	byte    *buf_p;
 	byte    *buffer;
 	int length;
+	int len;
 	TargaHeader targa_header;
 	byte            *targa_rgba;
 	byte tmp [ 2 ];
+	char name[256];
+
+	len = strlen( oldname );
+
+	if ( strcmp( oldname + len - 4, ".tga" ) )
+	{
+		strncpy( name, oldname, 256 );
+		strncat(name, ".tga", 255);
+	}
+	else
+	{
+		strncpy( name, oldname, 256 );
+	}
+
 
 	/* load the file */
 	length = ri.FS_LoadFile( name, (void **) &buffer );
@@ -100,6 +115,8 @@ LoadTGA ( char *name, int *width, int *height, imagetype_t type )
 	rows = targa_header.height;
 	numPixels = columns * rows;
 
+	// FIXME Custommaps
+
 	if ( width )
 	{
 		*width = columns;
@@ -110,6 +127,7 @@ LoadTGA ( char *name, int *width, int *height, imagetype_t type )
 		*height = rows;
 	}
 
+
 	targa_rgba = malloc( numPixels * 4 );
 	pic = targa_rgba;
 

src/refresh/files/wal.c

@@ -1,11 +1,25 @@
 #include "../header/local.h"
 
 image_t *
-LoadWal ( char *name )
+LoadWal ( char *oldname )
 {
 	miptex_t    *mt;
 	int width, height, ofs;
 	image_t     *image;
+	int len;
+	char name[256];
+
+	len = strlen( oldname );
+
+	if ( strcmp( oldname + len - 4, ".wal" ) )
+	{
+		strncpy(name, oldname, 256);
+		strncat(name, ".wal", 255);
+	}
+	else
+	{
+		strncpy(name, oldname, 256);
+	}
 
 	ri.FS_LoadFile( name, (void **) &mt );
 
@@ -26,3 +40,21 @@ LoadWal ( char *name )
 	return ( image );
 }
 
+qboolean GetWalInfo (char *name, int *width, int *height)
+{
+	miptex_t	*mt;
+
+	ri.FS_LoadFile (name, (void **)&mt);
+
+	if (!mt)
+	{
+		return false;
+	}
+
+	*width = LittleLong (mt->width);
+	*height = LittleLong (mt->height);
+
+	ri.FS_FreeFile ((void *)mt);
+	return true;
+}
+

src/refresh/header/local.h

@@ -313,6 +313,7 @@ void R_ResampleTexture ( unsigned *in, int inwidth, int inheight, unsigned *out,
 struct image_s *R_RegisterSkin ( char *name );
 
 void LoadPCX ( char *filename, byte **pic, byte **palette, int *width, int *height );
+qboolean GetWalInfo (char *name, int *width, int *height);
 image_t *R_LoadPic ( char *name, byte *pic, int width, int height, imagetype_t type, int bits );
 image_t *R_FindImage ( char *name, imagetype_t type );
 void R_TextureMode ( char *string );

src/refresh/r_image.c

@@ -1018,13 +1018,17 @@ R_FindImage ( char *name, imagetype_t type )
 	int i, len;
 	byte    *pic, *palette;
 	int width, height;
+	int realwidth, realheight;
 	char *ptr;
+	char namewe[256];
 
 	if ( !name )
 	{
 		return ( NULL );
 	}
 
+	memset(namewe, 0, 256);
+
 	len = strlen( name );
 
 	if ( len < 5 )
@@ -1065,7 +1069,21 @@ R_FindImage ( char *name, imagetype_t type )
 	}
 	else if ( !strcmp( name + len - 4, ".wal" ) )
 	{
-		image = LoadWal( name );
+		/* Remove the extension */
+		memcpy(namewe, name, len - 4);
+
+		GetWalInfo(name, &realwidth, &realheight);
+		image = LoadTGA( namewe, &width, &height, type );
+
+		if( image == NULL )
+		{
+			image = LoadJPG( namewe, &width, &height, type );
+		}
+
+		if( image == NULL)
+		{
+			image = LoadWal( namewe );
+		}
 	}
 	else if ( !strcmp( name + len - 4, ".tga" ) )
 	{