]> de.git.xonotic.org Git - xonotic/darkplaces.git/blobdiff - image.c
implemented real support for QW skins (pants, shirt, glow, cropped pcx
[xonotic/darkplaces.git] / image.c
diff --git a/image.c b/image.c
index 353a4b5dab1d58416b8988e43a786485e17b2229..968fabf6381eedd52aa92d3f8c8ff3741ee8766c 100644 (file)
--- a/image.c
+++ b/image.c
@@ -26,14 +26,14 @@ void Image_CopyMux(unsigned char *outpixels, const unsigned char *inpixels, int
                if (inputflipdiagonal)
                {
                        for (x = 0, line = inpixels + col_ofs; x < inputwidth; x++, line += col_inc)
-                               for (y = 0, in = line + row_ofs; y < inputheight; y++, in += row_inc, outpixels += numinputcomponents)
+                               for (y = 0, in = line + row_ofs; y < inputheight; y++, in += row_inc, outpixels += numoutputcomponents)
                                        for (c = 0; c < numoutputcomponents; c++)
                                                outpixels[c] = ((index = outputinputcomponentindices[c]) & 0x80000000) ? index : in[index];
                }
                else
                {
                        for (y = 0, line = inpixels + row_ofs; y < inputheight; y++, line += row_inc)
-                               for (x = 0, in = line + col_ofs; x < inputwidth; x++, in += col_inc, outpixels += numinputcomponents)
+                               for (x = 0, in = line + col_ofs; x < inputwidth; x++, in += col_inc, outpixels += numoutputcomponents)
                                        for (c = 0; c < numoutputcomponents; c++)
                                                outpixels[c] = ((index = outputinputcomponentindices[c]) & 0x80000000) ? index : in[index];
                }
@@ -44,14 +44,14 @@ void Image_CopyMux(unsigned char *outpixels, const unsigned char *inpixels, int
                if (inputflipdiagonal)
                {
                        for (x = 0, line = inpixels + col_ofs; x < inputwidth; x++, line += col_inc)
-                               for (y = 0, in = line + row_ofs; y < inputheight; y++, in += row_inc, outpixels += numinputcomponents)
+                               for (y = 0, in = line + row_ofs; y < inputheight; y++, in += row_inc, outpixels += numoutputcomponents)
                                        for (c = 0; c < numoutputcomponents; c++)
                                                outpixels[c] = in[outputinputcomponentindices[c]];
                }
                else
                {
                        for (y = 0, line = inpixels + row_ofs; y < inputheight; y++, line += row_inc)
-                               for (x = 0, in = line + col_ofs; x < inputwidth; x++, in += col_inc, outpixels += numinputcomponents)
+                               for (x = 0, in = line + col_ofs; x < inputwidth; x++, in += col_inc, outpixels += numoutputcomponents)
                                        for (c = 0; c < numoutputcomponents; c++)
                                                outpixels[c] = in[outputinputcomponentindices[c]];
                }
@@ -115,7 +115,7 @@ void Image_GammaRemapRGB(const unsigned char *in, unsigned char *out, int pixels
 }
 
 // note: pal must be 32bit color
-void Image_Copy8bitRGBA(const unsigned char *in, unsigned char *out, int pixels, const unsigned int *pal)
+void Image_Copy8bitBGRA(const unsigned char *in, unsigned char *out, int pixels, const unsigned int *pal)
 {
        int *iout = (int *)out;
        while (pixels >= 8)
@@ -181,10 +181,10 @@ typedef struct pcx_s
 LoadPCX
 ============
 */
-unsigned char* LoadPCX (const unsigned char *f, int filesize, int matchwidth, int matchheight)
+unsigned char* LoadPCX_BGRA (const unsigned char *f, int filesize)
 {
        pcx_t pcx;
-       unsigned char *a, *b, *image_rgba, *pbuf;
+       unsigned char *a, *b, *image_buffer, *pbuf;
        const unsigned char *palette, *fin, *enddata;
        int x, y, x2, dataByte;
 
@@ -216,18 +216,16 @@ unsigned char* LoadPCX (const unsigned char *f, int filesize, int matchwidth, in
                Con_Print("Bad pcx file\n");
                return NULL;
        }
-       if ((matchwidth && image_width != matchwidth) || (matchheight && image_height != matchheight))
-               return NULL;
 
        palette = f + filesize - 768;
 
-       image_rgba = (unsigned char *)Mem_Alloc(tempmempool, image_width*image_height*4);
-       if (!image_rgba)
+       image_buffer = (unsigned char *)Mem_Alloc(tempmempool, image_width*image_height*4);
+       if (!image_buffer)
        {
                Con_Printf("LoadPCX: not enough memory for %i by %i image\n", image_width, image_height);
                return NULL;
        }
-       pbuf = image_rgba + image_width*image_height*3;
+       pbuf = image_buffer + image_width*image_height*3;
        enddata = palette;
 
        for (y = 0;y < image_height && fin < enddata;y++)
@@ -250,24 +248,102 @@ unsigned char* LoadPCX (const unsigned char *f, int filesize, int matchwidth, in
                        else
                                a[x++] = dataByte;
                }
-               fin += pcx.bytes_per_line - image_width; // the number of bytes per line is always forced to an even number
                while(x < image_width)
                        a[x++] = 0;
        }
 
-       a = image_rgba;
+       a = image_buffer;
        b = pbuf;
 
        for(x = 0;x < image_width*image_height;x++)
        {
                y = *b++ * 3;
-               *a++ = palette[y];
-               *a++ = palette[y+1];
                *a++ = palette[y+2];
+               *a++ = palette[y+1];
+               *a++ = palette[y];
                *a++ = 255;
        }
 
-       return image_rgba;
+       return image_buffer;
+}
+
+/*
+============
+LoadPCX
+============
+*/
+qboolean LoadPCX_QWSkin(const unsigned char *f, int filesize, unsigned char *pixels, int outwidth, int outheight)
+{
+       pcx_t pcx;
+       unsigned char *a;
+       const unsigned char *fin, *enddata;
+       int x, y, x2, dataByte, pcxwidth, pcxheight;
+
+       if (filesize < (int)sizeof(pcx) + 768)
+               return false;
+
+       image_width = outwidth;
+       image_height = outheight;
+       fin = f;
+
+       memcpy(&pcx, fin, sizeof(pcx));
+       fin += sizeof(pcx);
+
+       // LordHavoc: big-endian support ported from QF newtree
+       pcx.xmax = LittleShort (pcx.xmax);
+       pcx.xmin = LittleShort (pcx.xmin);
+       pcx.ymax = LittleShort (pcx.ymax);
+       pcx.ymin = LittleShort (pcx.ymin);
+       pcx.hres = LittleShort (pcx.hres);
+       pcx.vres = LittleShort (pcx.vres);
+       pcx.bytes_per_line = LittleShort (pcx.bytes_per_line);
+       pcx.palette_type = LittleShort (pcx.palette_type);
+
+       pcxwidth = pcx.xmax + 1 - pcx.xmin;
+       pcxheight = pcx.ymax + 1 - pcx.ymin;
+       if (pcx.manufacturer != 0x0a || pcx.version != 5 || pcx.encoding != 1 || pcx.bits_per_pixel != 8 || pcxwidth > 4096 || pcxheight > 4096 || pcxwidth <= 0 || pcxheight <= 0)
+               return false;
+
+       enddata = f + filesize - 768;
+
+       for (y = 0;y < outheight && fin < enddata;y++)
+       {
+               a = pixels + y * outwidth;
+               // pad the output with blank lines if needed
+               if (y >= pcxheight)
+               {
+                       memset(a, 0, outwidth);
+                       continue;
+               }
+               for (x = 0;x < pcxwidth;)
+               {
+                       if (fin >= enddata)
+                               return false;
+                       dataByte = *fin++;
+                       if(dataByte >= 0xC0)
+                       {
+                               x2 = x + (dataByte & 0x3F);
+                               if (fin >= enddata)
+                                       return false;
+                               if (x2 > pcxwidth)
+                                       return false;
+                               dataByte = *fin++;
+                               for (;x < x2;x++)
+                                       if (x < outwidth)
+                                               a[x] = dataByte;
+                       }
+                       else
+                       {
+                               if (x < outwidth) // truncate to destination width
+                                       a[x] = dataByte;
+                               x++;
+                       }
+               }
+               while(x < outwidth)
+                       a[x++] = 0;
+       }
+
+       return true;
 }
 
 /*
@@ -298,14 +374,20 @@ void PrintTargaHeader(TargaHeader *t)
 LoadTGA
 =============
 */
-unsigned char *LoadTGA (const unsigned char *f, int filesize, int matchwidth, int matchheight)
+unsigned char *LoadTGA_BGRA (const unsigned char *f, int filesize)
 {
-       int x, y, pix_inc, row_inc, red, green, blue, alpha, runlen, alphabits;
-       unsigned char *pixbuf, *image_rgba;
+       int x, y, pix_inc, row_inci, runlen, alphabits;
+       unsigned char *image_buffer;
+       unsigned int *pixbufi;
        const unsigned char *fin, *enddata;
-       unsigned char *p;
        TargaHeader targa_header;
-       unsigned char palette[256*4];
+       unsigned int palettei[256];
+       union
+       {
+               unsigned int i;
+               unsigned char b[4];
+       }
+       bgra;
 
        if (filesize < 19)
                return NULL;
@@ -323,16 +405,15 @@ unsigned char *LoadTGA (const unsigned char *f, int filesize, int matchwidth, in
        targa_header.y_origin = f[10] + f[11] * 256;
        targa_header.width = image_width = f[12] + f[13] * 256;
        targa_header.height = image_height = f[14] + f[15] * 256;
+       targa_header.pixel_size = f[16];
+       targa_header.attributes = f[17];
+
        if (image_width > 4096 || image_height > 4096 || image_width <= 0 || image_height <= 0)
        {
                Con_Print("LoadTGA: invalid size\n");
                PrintTargaHeader(&targa_header);
                return NULL;
        }
-       if ((matchwidth && image_width != matchwidth) || (matchheight && image_height != matchheight))
-               return NULL;
-       targa_header.pixel_size = f[16];
-       targa_header.attributes = f[17];
 
        // advance to end of header
        fin = f + 18;
@@ -361,21 +442,17 @@ unsigned char *LoadTGA (const unsigned char *f, int filesize, int matchwidth, in
                {
                        for (x = 0;x < targa_header.colormap_length;x++)
                        {
-                               palette[x*4+2] = *fin++;
-                               palette[x*4+1] = *fin++;
-                               palette[x*4+0] = *fin++;
-                               palette[x*4+3] = 255;
+                               bgra.b[0] = *fin++;
+                               bgra.b[1] = *fin++;
+                               bgra.b[2] = *fin++;
+                               bgra.b[3] = 255;
+                               palettei[x] = bgra.i;
                        }
                }
                else if (targa_header.colormap_size == 32)
                {
-                       for (x = 0;x < targa_header.colormap_length;x++)
-                       {
-                               palette[x*4+2] = *fin++;
-                               palette[x*4+1] = *fin++;
-                               palette[x*4+0] = *fin++;
-                               palette[x*4+3] = *fin++;
-                       }
+                       memcpy(palettei, fin, targa_header.colormap_length*4);
+                       fin += targa_header.colormap_length * 4;
                }
                else
                {
@@ -400,10 +477,9 @@ unsigned char *LoadTGA (const unsigned char *f, int filesize, int matchwidth, in
                // set up a palette to make the loader easier
                for (x = 0;x < 256;x++)
                {
-                       palette[x*4+2] = x;
-                       palette[x*4+1] = x;
-                       palette[x*4+0] = x;
-                       palette[x*4+3] = 255;
+                       bgra.b[0] = bgra.b[1] = bgra.b[2] = x;
+                       bgra.b[3] = 255;
+                       palettei[x] = bgra.i;
                }
                // fall through to colormap case
        case 1:
@@ -434,8 +510,8 @@ unsigned char *LoadTGA (const unsigned char *f, int filesize, int matchwidth, in
                return NULL;
        }
 
-       image_rgba = (unsigned char *)Mem_Alloc(tempmempool, image_width * image_height * 4);
-       if (!image_rgba)
+       image_buffer = (unsigned char *)Mem_Alloc(tempmempool, image_width * image_height * 4);
+       if (!image_buffer)
        {
                Con_Printf("LoadTGA: not enough memory for %i by %i image\n", image_width, image_height);
                return NULL;
@@ -444,38 +520,29 @@ unsigned char *LoadTGA (const unsigned char *f, int filesize, int matchwidth, in
        // If bit 5 of attributes isn't set, the image has been stored from bottom to top
        if ((targa_header.attributes & 0x20) == 0)
        {
-               pixbuf = image_rgba + (image_height - 1)*image_width*4;
-               row_inc = -image_width*4*2;
+               pixbufi = (unsigned int*)image_buffer + (image_height - 1)*image_width;
+               row_inci = -image_width*2;
        }
        else
        {
-               pixbuf = image_rgba;
-               row_inc = 0;
+               pixbufi = (unsigned int*)image_buffer;
+               row_inci = 0;
        }
 
        x = 0;
        y = 0;
-       red = green = blue = alpha = 255;
        pix_inc = 1;
        if ((targa_header.image_type & ~8) == 2)
-               pix_inc = targa_header.pixel_size / 8;
+               pix_inc = (targa_header.pixel_size + 7) / 8;
        switch (targa_header.image_type)
        {
        case 1: // colormapped, uncompressed
        case 3: // greyscale, uncompressed
                if (fin + image_width * image_height * pix_inc > enddata)
                        break;
-               for (y = 0;y < image_height;y++, pixbuf += row_inc)
-               {
+               for (y = 0;y < image_height;y++, pixbufi += row_inci)
                        for (x = 0;x < image_width;x++)
-                       {
-                               p = palette + *fin++ * 4;
-                               *pixbuf++ = p[0];
-                               *pixbuf++ = p[1];
-                               *pixbuf++ = p[2];
-                               *pixbuf++ = p[3];
-                       }
-               }
+                               *pixbufi++ = palettei[*fin++];
                break;
        case 2:
                // BGR or BGRA, uncompressed
@@ -483,34 +550,27 @@ unsigned char *LoadTGA (const unsigned char *f, int filesize, int matchwidth, in
                        break;
                if (targa_header.pixel_size == 32 && alphabits)
                {
-                       for (y = 0;y < image_height;y++, pixbuf += row_inc)
-                       {
-                               for (x = 0;x < image_width;x++, fin += pix_inc)
-                               {
-                                       *pixbuf++ = fin[2];
-                                       *pixbuf++ = fin[1];
-                                       *pixbuf++ = fin[0];
-                                       *pixbuf++ = fin[3];
-                               }
-                       }
+                       for (y = 0;y < image_height;y++)
+                               memcpy(pixbufi + y * (image_width + row_inci), fin + y * image_width * pix_inc, image_width*4);
                }
                else
                {
-                       for (y = 0;y < image_height;y++, pixbuf += row_inc)
+                       for (y = 0;y < image_height;y++, pixbufi += row_inci)
                        {
                                for (x = 0;x < image_width;x++, fin += pix_inc)
                                {
-                                       *pixbuf++ = fin[2];
-                                       *pixbuf++ = fin[1];
-                                       *pixbuf++ = fin[0];
-                                       *pixbuf++ = 255;
+                                       bgra.b[0] = fin[0];
+                                       bgra.b[1] = fin[1];
+                                       bgra.b[2] = fin[2];
+                                       bgra.b[3] = 255;
+                                       *pixbufi++ = bgra.i;
                                }
                        }
                }
                break;
        case 9: // colormapped, RLE
        case 11: // greyscale, RLE
-               for (y = 0;y < image_height;y++, pixbuf += row_inc)
+               for (y = 0;y < image_height;y++, pixbufi += row_inci)
                {
                        for (x = 0;x < image_width;)
                        {
@@ -525,18 +585,9 @@ unsigned char *LoadTGA (const unsigned char *f, int filesize, int matchwidth, in
                                                break; // error - truncated file
                                        if (x + runlen > image_width)
                                                break; // error - line exceeds width
-                                       p = palette + *fin++ * 4;
-                                       red = p[0];
-                                       green = p[1];
-                                       blue = p[2];
-                                       alpha = p[3];
+                                       bgra.i = palettei[*fin++];
                                        for (;runlen--;x++)
-                                       {
-                                               *pixbuf++ = red;
-                                               *pixbuf++ = green;
-                                               *pixbuf++ = blue;
-                                               *pixbuf++ = alpha;
-                                       }
+                                               *pixbufi++ = bgra.i;
                                }
                                else
                                {
@@ -547,13 +598,7 @@ unsigned char *LoadTGA (const unsigned char *f, int filesize, int matchwidth, in
                                        if (x + runlen > image_width)
                                                break; // error - line exceeds width
                                        for (;runlen--;x++)
-                                       {
-                                               p = palette + *fin++ * 4;
-                                               *pixbuf++ = p[0];
-                                               *pixbuf++ = p[1];
-                                               *pixbuf++ = p[2];
-                                               *pixbuf++ = p[3];
-                                       }
+                                               *pixbufi++ = palettei[*fin++];
                                }
                        }
                }
@@ -562,7 +607,7 @@ unsigned char *LoadTGA (const unsigned char *f, int filesize, int matchwidth, in
                // BGR or BGRA, RLE
                if (targa_header.pixel_size == 32 && alphabits)
                {
-                       for (y = 0;y < image_height;y++, pixbuf += row_inc)
+                       for (y = 0;y < image_height;y++, pixbufi += row_inci)
                        {
                                for (x = 0;x < image_width;)
                                {
@@ -577,18 +622,13 @@ unsigned char *LoadTGA (const unsigned char *f, int filesize, int matchwidth, in
                                                        break; // error - truncated file
                                                if (x + runlen > image_width)
                                                        break; // error - line exceeds width
-                                               red = fin[2];
-                                               green = fin[1];
-                                               blue = fin[0];
-                                               alpha = fin[3];
+                                               bgra.b[0] = fin[0];
+                                               bgra.b[1] = fin[1];
+                                               bgra.b[2] = fin[2];
+                                               bgra.b[3] = fin[3];
                                                fin += pix_inc;
                                                for (;runlen--;x++)
-                                               {
-                                                       *pixbuf++ = red;
-                                                       *pixbuf++ = green;
-                                                       *pixbuf++ = blue;
-                                                       *pixbuf++ = alpha;
-                                               }
+                                                       *pixbufi++ = bgra.i;
                                        }
                                        else
                                        {
@@ -598,12 +638,14 @@ unsigned char *LoadTGA (const unsigned char *f, int filesize, int matchwidth, in
                                                        break; // error - truncated file
                                                if (x + runlen > image_width)
                                                        break; // error - line exceeds width
-                                               for (;runlen--;x++, fin += pix_inc)
+                                               for (;runlen--;x++)
                                                {
-                                                       *pixbuf++ = fin[2];
-                                                       *pixbuf++ = fin[1];
-                                                       *pixbuf++ = fin[0];
-                                                       *pixbuf++ = fin[3];
+                                                       bgra.b[0] = fin[0];
+                                                       bgra.b[1] = fin[1];
+                                                       bgra.b[2] = fin[2];
+                                                       bgra.b[3] = fin[3];
+                                                       fin += pix_inc;
+                                                       *pixbufi++ = bgra.i;
                                                }
                                        }
                                }
@@ -611,7 +653,7 @@ unsigned char *LoadTGA (const unsigned char *f, int filesize, int matchwidth, in
                }
                else
                {
-                       for (y = 0;y < image_height;y++, pixbuf += row_inc)
+                       for (y = 0;y < image_height;y++, pixbufi += row_inci)
                        {
                                for (x = 0;x < image_width;)
                                {
@@ -626,18 +668,13 @@ unsigned char *LoadTGA (const unsigned char *f, int filesize, int matchwidth, in
                                                        break; // error - truncated file
                                                if (x + runlen > image_width)
                                                        break; // error - line exceeds width
-                                               red = fin[2];
-                                               green = fin[1];
-                                               blue = fin[0];
-                                               alpha = 255;
+                                               bgra.b[0] = fin[0];
+                                               bgra.b[1] = fin[1];
+                                               bgra.b[2] = fin[2];
+                                               bgra.b[3] = 255;
                                                fin += pix_inc;
                                                for (;runlen--;x++)
-                                               {
-                                                       *pixbuf++ = red;
-                                                       *pixbuf++ = green;
-                                                       *pixbuf++ = blue;
-                                                       *pixbuf++ = alpha;
-                                               }
+                                                       *pixbufi++ = bgra.i;
                                        }
                                        else
                                        {
@@ -647,12 +684,14 @@ unsigned char *LoadTGA (const unsigned char *f, int filesize, int matchwidth, in
                                                        break; // error - truncated file
                                                if (x + runlen > image_width)
                                                        break; // error - line exceeds width
-                                               for (;runlen--;x++, fin += pix_inc)
+                                               for (;runlen--;x++)
                                                {
-                                                       *pixbuf++ = fin[2];
-                                                       *pixbuf++ = fin[1];
-                                                       *pixbuf++ = fin[0];
-                                                       *pixbuf++ = 255;
+                                                       bgra.b[0] = fin[0];
+                                                       bgra.b[1] = fin[1];
+                                                       bgra.b[2] = fin[2];
+                                                       bgra.b[3] = 255;
+                                                       fin += pix_inc;
+                                                       *pixbufi++ = bgra.i;
                                                }
                                        }
                                }
@@ -664,55 +703,9 @@ unsigned char *LoadTGA (const unsigned char *f, int filesize, int matchwidth, in
                break;
        }
 
-       return image_rgba;
-}
-
-/*
-============
-LoadLMP
-============
-*/
-unsigned char *LoadLMP (const unsigned char *f, int filesize, int matchwidth, int matchheight, qboolean loadAs8Bit)
-{
-       unsigned char *image_buffer;
-
-       if (filesize < 9)
-       {
-               Con_Print("LoadLMP: invalid LMP file\n");
-               return NULL;
-       }
-
-       // parse the very complicated header *chuckle*
-       image_width = BuffLittleLong(f);
-       image_height = BuffLittleLong(f + 4);
-       if (image_width > 4096 || image_height > 4096 || image_width <= 0 || image_height <= 0)
-       {
-               Con_Printf("LoadLMP: invalid size %ix%i\n", image_width, image_height);
-               return NULL;
-       }
-       if ((matchwidth && image_width != matchwidth) || (matchheight && image_height != matchheight))
-               return NULL;
-
-       if (filesize < (8 + image_width * image_height))
-       {
-               Con_Print("LoadLMP: invalid LMP file\n");
-               return NULL;
-       }
-
-       if (loadAs8Bit)
-       {
-               image_buffer = (unsigned char *)Mem_Alloc(tempmempool, image_width * image_height);
-               memcpy(image_buffer, f + 8, image_width * image_height);
-       }
-       else
-       {
-               image_buffer = (unsigned char *)Mem_Alloc(tempmempool, image_width * image_height * 4);
-               Image_Copy8bitRGBA(f + 8, image_buffer, image_width * image_height, palette_transparent);
-       }
        return image_buffer;
 }
 
-
 typedef struct q2wal_s
 {
        char            name[32];
@@ -724,9 +717,9 @@ typedef struct q2wal_s
        int                     value;
 } q2wal_t;
 
-unsigned char *LoadWAL (const unsigned char *f, int filesize, int matchwidth, int matchheight)
+unsigned char *LoadWAL_BGRA (const unsigned char *f, int filesize)
 {
-       unsigned char *image_rgba;
+       unsigned char *image_buffer;
        const q2wal_t *inwal = (const q2wal_t *)f;
 
        if (filesize < (int) sizeof(q2wal_t))
@@ -742,8 +735,6 @@ unsigned char *LoadWAL (const unsigned char *f, int filesize, int matchwidth, in
                Con_Printf("LoadWAL: invalid size %ix%i\n", image_width, image_height);
                return NULL;
        }
-       if ((matchwidth && image_width != matchwidth) || (matchheight && image_height != matchheight))
-               return NULL;
 
        if (filesize < (int) sizeof(q2wal_t) + (int) LittleLong(inwal->offsets[0]) + image_width * image_height)
        {
@@ -751,99 +742,111 @@ unsigned char *LoadWAL (const unsigned char *f, int filesize, int matchwidth, in
                return NULL;
        }
 
-       image_rgba = (unsigned char *)Mem_Alloc(tempmempool, image_width * image_height * 4);
-       if (!image_rgba)
+       image_buffer = (unsigned char *)Mem_Alloc(tempmempool, image_width * image_height * 4);
+       if (!image_buffer)
        {
-               Con_Printf("LoadLMP: not enough memory for %i by %i image\n", image_width, image_height);
+               Con_Printf("LoadWAL: not enough memory for %i by %i image\n", image_width, image_height);
                return NULL;
        }
-       Image_Copy8bitRGBA(f + LittleLong(inwal->offsets[0]), image_rgba, image_width * image_height, palette_complete);
-       return image_rgba;
+       Image_Copy8bitBGRA(f + LittleLong(inwal->offsets[0]), image_buffer, image_width * image_height, palette_bgra_complete);
+       return image_buffer;
 }
 
 
-void Image_StripImageExtension (const char *in, char *out)
+void Image_StripImageExtension (const char *in, char *out, size_t size_out)
 {
-       const char *end, *temp;
-       end = in + strlen(in);
-       if ((end - in) >= 4)
-       {
-               temp = end - 4;
-               if (strcmp(temp, ".tga") == 0
-                || strcmp(temp, ".pcx") == 0
-                || strcmp(temp, ".lmp") == 0
-                || strcmp(temp, ".png") == 0
-                || strcmp(temp, ".jpg") == 0)
-                       end = temp;
-               while (in < end)
-                       *out++ = *in++;
-               *out++ = 0;
-       }
+       const char *ext;
+
+       if (size_out == 0)
+               return;
+
+       ext = FS_FileExtension(in);
+       if (ext && (!strcmp(ext, "tga") || !strcmp(ext, "pcx") || !strcmp(ext, "lmp") || !strcmp(ext, "png") || !strcmp(ext, "jpg")))
+               FS_StripExtension(in, out, size_out);
        else
-               strcpy(out, in);
+               strlcpy(out, in, size_out);
 }
 
 typedef struct imageformat_s
 {
        const char *formatstring;
-       unsigned char *(*loadfunc)(const unsigned char *f, int filesize, int matchwidth, int matchheight);
+       unsigned char *(*loadfunc)(const unsigned char *f, int filesize);
 }
 imageformat_t;
 
 // GAME_TENEBRAE only
 imageformat_t imageformats_tenebrae[] =
 {
-       {"override/%s.tga", LoadTGA},
-       {"override/%s.png", PNG_LoadImage},
-       {"override/%s.jpg", JPEG_LoadImage},
-       {"override/%s.pcx", LoadPCX},
+       {"override/%s.tga", LoadTGA_BGRA},
+       {"override/%s.png", PNG_LoadImage_BGRA},
+       {"override/%s.jpg", JPEG_LoadImage_BGRA},
+       {"override/%s.pcx", LoadPCX_BGRA},
+       {"%s.tga", LoadTGA_BGRA},
+       {"%s.png", PNG_LoadImage_BGRA},
+       {"%s.jpg", JPEG_LoadImage_BGRA},
+       {"%s.pcx", LoadPCX_BGRA},
        {NULL, NULL}
 };
 
 imageformat_t imageformats_nopath[] =
 {
-       {"override/%s.tga", LoadTGA},
-       {"override/%s.png", PNG_LoadImage},
-       {"override/%s.jpg", JPEG_LoadImage},
-       {"textures/%s.tga", LoadTGA},
-       {"textures/%s.png", PNG_LoadImage},
-       {"textures/%s.jpg", JPEG_LoadImage},
-       {"%s.tga", LoadTGA},
-       {"%s.png", PNG_LoadImage},
-       {"%s.jpg", JPEG_LoadImage},
-       {"%s.pcx", LoadPCX},
+       {"override/%s.tga", LoadTGA_BGRA},
+       {"override/%s.png", PNG_LoadImage_BGRA},
+       {"override/%s.jpg", JPEG_LoadImage_BGRA},
+       {"textures/%s.tga", LoadTGA_BGRA},
+       {"textures/%s.png", PNG_LoadImage_BGRA},
+       {"textures/%s.jpg", JPEG_LoadImage_BGRA},
+       {"%s.tga", LoadTGA_BGRA},
+       {"%s.png", PNG_LoadImage_BGRA},
+       {"%s.jpg", JPEG_LoadImage_BGRA},
+       {"%s.pcx", LoadPCX_BGRA},
+       {NULL, NULL}
+};
+
+// GAME_DELUXEQUAKE only
+// VorteX: the point why i use such messy texture paths is
+// that GtkRadiant can't detect normal/gloss textures
+// and exclude them from texture browser
+// so i just use additional folder to store this textures
+imageformat_t imageformats_dq[] =
+{
+       {"%s.tga", LoadTGA_BGRA},
+       {"%s.jpg", JPEG_LoadImage_BGRA},
+       {"texturemaps/%s.tga", LoadTGA_BGRA},
+       {"texturemaps/%s.jpg", JPEG_LoadImage_BGRA},
        {NULL, NULL}
 };
 
 imageformat_t imageformats_textures[] =
 {
-       {"%s.tga", LoadTGA},
-       {"%s.png", PNG_LoadImage},
-       {"%s.jpg", JPEG_LoadImage},
-       {"%s.pcx", LoadPCX},
-       {"%s.wal", LoadWAL},
+       {"%s.tga", LoadTGA_BGRA},
+       {"%s.png", PNG_LoadImage_BGRA},
+       {"%s.jpg", JPEG_LoadImage_BGRA},
+       {"%s.pcx", LoadPCX_BGRA},
+       {"%s.wal", LoadWAL_BGRA},
        {NULL, NULL}
 };
 
 imageformat_t imageformats_gfx[] =
 {
-       {"%s.tga", LoadTGA},
-       {"%s.png", PNG_LoadImage},
-       {"%s.jpg", JPEG_LoadImage},
-       {"%s.pcx", LoadPCX},
+       {"%s.tga", LoadTGA_BGRA},
+       {"%s.png", PNG_LoadImage_BGRA},
+       {"%s.jpg", JPEG_LoadImage_BGRA},
+       {"%s.pcx", LoadPCX_BGRA},
        {NULL, NULL}
 };
 
 imageformat_t imageformats_other[] =
 {
-       {"%s.tga", LoadTGA},
-       {"%s.png", PNG_LoadImage},
-       {"%s.jpg", JPEG_LoadImage},
-       {"%s.pcx", LoadPCX},
+       {"%s.tga", LoadTGA_BGRA},
+       {"%s.png", PNG_LoadImage_BGRA},
+       {"%s.jpg", JPEG_LoadImage_BGRA},
+       {"%s.pcx", LoadPCX_BGRA},
        {NULL, NULL}
 };
 
-unsigned char *loadimagepixels (const char *filename, qboolean complain, int matchwidth, int matchheight)
+int fixtransparentpixels(unsigned char *data, int w, int h);
+unsigned char *loadimagepixelsbgra (const char *filename, qboolean complain, qboolean allowFixtrans)
 {
        fs_offset_t filesize;
        imageformat_t *firstformat, *format;
@@ -853,8 +856,7 @@ unsigned char *loadimagepixels (const char *filename, qboolean complain, int mat
                Mem_CheckSentinelsGlobal();
        if (developer_texturelogging.integer)
                Log_Printf("textures.log", "%s\n", filename);
-       strlcpy(basename, filename, sizeof(basename));
-       Image_StripImageExtension(basename, basename); // strip filename extensions to allow replacement by other types
+       Image_StripImageExtension(filename, basename, sizeof(basename)); // strip filename extensions to allow replacement by other types
        // replace *'s with #, so commandline utils don't get confused when dealing with the external files
        for (c = basename;*c;c++)
                if (*c == '*')
@@ -869,22 +871,24 @@ unsigned char *loadimagepixels (const char *filename, qboolean complain, int mat
        }
        if (gamemode == GAME_TENEBRAE)
                firstformat = imageformats_tenebrae;
+       else if (gamemode == GAME_DELUXEQUAKE)
+               firstformat = imageformats_dq;
        else if (!strcasecmp(name, "textures"))
                firstformat = imageformats_textures;
        else if (!strcasecmp(name, "gfx"))
                firstformat = imageformats_gfx;
-       else if (!strchr(name, '/'))
+       else if (!strchr(basename, '/'))
                firstformat = imageformats_nopath;
        else
                firstformat = imageformats_other;
        // now try all the formats in the selected list
        for (format = firstformat;format->formatstring;format++)
        {
-               sprintf (name, format->formatstring, basename);
+               dpsnprintf (name, sizeof(name), format->formatstring, basename);
                f = FS_LoadFile(name, tempmempool, true, &filesize);
                if (f)
                {
-                       data = format->loadfunc(f, filesize, matchwidth, matchheight);
+                       data = format->loadfunc(f, filesize);
                        Mem_Free(f);
                        if (data)
                        {
@@ -892,8 +896,26 @@ unsigned char *loadimagepixels (const char *filename, qboolean complain, int mat
                                        Con_Printf("loaded image %s (%dx%d)\n", name, image_width, image_height);
                                if (developer_memorydebug.integer)
                                        Mem_CheckSentinelsGlobal();
+                               if(allowFixtrans && r_fixtrans_auto.integer)
+                               {
+                                       int n = fixtransparentpixels(data, image_width, image_height);
+                                       if(n)
+                                       {
+                                               Con_Printf("- had to fix %s (%d pixels changed)\n", name, n);
+                                               if(r_fixtrans_auto.integer >= 2)
+                                               {
+                                                       char outfilename[MAX_QPATH], buf[MAX_QPATH];
+                                                       Image_StripImageExtension(name, buf, sizeof(buf));
+                                                       dpsnprintf(outfilename, sizeof(outfilename), "fixtrans/%s.tga", buf);
+                                                       Image_WriteTGABGRA(outfilename, image_width, image_height, data);
+                                                       Con_Printf("- %s written.\n", outfilename);
+                                               }
+                                       }
+                               }
                                return data;
                        }
+                       else
+                               Con_DPrintf("Error loading image %s (file loaded but decode failed)\n", name);
                }
        }
        if (complain)
@@ -901,31 +923,188 @@ unsigned char *loadimagepixels (const char *filename, qboolean complain, int mat
                Con_Printf("Couldn't load %s using ", filename);
                for (format = firstformat;format->formatstring;format++)
                {
-                       sprintf (name, format->formatstring, basename);
+                       dpsnprintf (name, sizeof(name), format->formatstring, basename);
                        Con_Printf(format == firstformat ? "\"%s\"" : (format[1].formatstring ? ", \"%s\"" : " or \"%s\".\n"), format->formatstring);
                }
        }
+
+       // texture loading can take a while, so make sure we're sending keepalives
+       CL_KeepaliveMessage(false);
+
        if (developer_memorydebug.integer)
                Mem_CheckSentinelsGlobal();
        return NULL;
 }
 
-rtexture_t *loadtextureimage (rtexturepool_t *pool, const char *filename, int matchwidth, int matchheight, qboolean complain, int flags)
+rtexture_t *loadtextureimage (rtexturepool_t *pool, const char *filename, qboolean complain, int flags, qboolean allowFixtrans)
 {
        unsigned char *data;
        rtexture_t *rt;
-       if (!(data = loadimagepixels (filename, complain, matchwidth, matchheight)))
+       if (!(data = loadimagepixelsbgra (filename, complain, allowFixtrans)))
                return 0;
-       rt = R_LoadTexture2D(pool, filename, image_width, image_height, data, TEXTYPE_RGBA, flags, NULL);
+       rt = R_LoadTexture2D(pool, filename, image_width, image_height, data, TEXTYPE_BGRA, flags, NULL);
        Mem_Free(data);
        return rt;
 }
 
-qboolean Image_WriteTGARGB_preflipped (const char *filename, int width, int height, const unsigned char *data, unsigned char *buffer)
+int fixtransparentpixels(unsigned char *data, int w, int h)
+{
+       int const FIXTRANS_NEEDED = 1;
+       int const FIXTRANS_HAS_L = 2;
+       int const FIXTRANS_HAS_R = 4;
+       int const FIXTRANS_HAS_U = 8;
+       int const FIXTRANS_HAS_D = 16;
+       int const FIXTRANS_FIXED = 32;
+       unsigned char *fixMask = (unsigned char *) Mem_Alloc(tempmempool, w * h);
+       int fixPixels = 0;
+       int changedPixels = 0;
+       int x, y;
+
+#define FIXTRANS_PIXEL (y*w+x)
+#define FIXTRANS_PIXEL_U (((y+h-1)%h)*w+x)
+#define FIXTRANS_PIXEL_D (((y+1)%h)*w+x)
+#define FIXTRANS_PIXEL_L (y*w+((x+w-1)%w))
+#define FIXTRANS_PIXEL_R (y*w+((x+1)%w))
+
+       memset(fixMask, 0, w * h);
+       for(y = 0; y < h; ++y)
+               for(x = 0; x < w; ++x)
+               {
+                       if(data[FIXTRANS_PIXEL * 4 + 3] == 0)
+                       {
+                               fixMask[FIXTRANS_PIXEL] |= FIXTRANS_NEEDED;
+                               ++fixPixels;
+                       }
+                       else
+                       {
+                               fixMask[FIXTRANS_PIXEL_D] |= FIXTRANS_HAS_U;
+                               fixMask[FIXTRANS_PIXEL_U] |= FIXTRANS_HAS_D;
+                               fixMask[FIXTRANS_PIXEL_R] |= FIXTRANS_HAS_L;
+                               fixMask[FIXTRANS_PIXEL_L] |= FIXTRANS_HAS_R;
+                       }
+               }
+       if(fixPixels == w * h)
+               return 0; // sorry, can't do anything about this
+       while(fixPixels)
+       {
+               for(y = 0; y < h; ++y)
+                       for(x = 0; x < w; ++x)
+                               if(fixMask[FIXTRANS_PIXEL] & FIXTRANS_NEEDED)
+                               {
+                                       unsigned int sumR = 0, sumG = 0, sumB = 0, sumA = 0, sumRA = 0, sumGA = 0, sumBA = 0, cnt = 0;
+                                       unsigned char r, g, b, a, r0, g0, b0;
+                                       if(fixMask[FIXTRANS_PIXEL] & FIXTRANS_HAS_U)
+                                       {
+                                               r = data[FIXTRANS_PIXEL_U * 4 + 2];
+                                               g = data[FIXTRANS_PIXEL_U * 4 + 1];
+                                               b = data[FIXTRANS_PIXEL_U * 4 + 0];
+                                               a = data[FIXTRANS_PIXEL_U * 4 + 3];
+                                               sumR += r; sumG += g; sumB += b; sumA += a; sumRA += r*a; sumGA += g*a; sumBA += b*a; ++cnt;
+                                       }
+                                       if(fixMask[FIXTRANS_PIXEL] & FIXTRANS_HAS_D)
+                                       {
+                                               r = data[FIXTRANS_PIXEL_D * 4 + 2];
+                                               g = data[FIXTRANS_PIXEL_D * 4 + 1];
+                                               b = data[FIXTRANS_PIXEL_D * 4 + 0];
+                                               a = data[FIXTRANS_PIXEL_D * 4 + 3];
+                                               sumR += r; sumG += g; sumB += b; sumA += a; sumRA += r*a; sumGA += g*a; sumBA += b*a; ++cnt;
+                                       }
+                                       if(fixMask[FIXTRANS_PIXEL] & FIXTRANS_HAS_L)
+                                       {
+                                               r = data[FIXTRANS_PIXEL_L * 4 + 2];
+                                               g = data[FIXTRANS_PIXEL_L * 4 + 1];
+                                               b = data[FIXTRANS_PIXEL_L * 4 + 0];
+                                               a = data[FIXTRANS_PIXEL_L * 4 + 3];
+                                               sumR += r; sumG += g; sumB += b; sumA += a; sumRA += r*a; sumGA += g*a; sumBA += b*a; ++cnt;
+                                       }
+                                       if(fixMask[FIXTRANS_PIXEL] & FIXTRANS_HAS_R)
+                                       {
+                                               r = data[FIXTRANS_PIXEL_R * 4 + 2];
+                                               g = data[FIXTRANS_PIXEL_R * 4 + 1];
+                                               b = data[FIXTRANS_PIXEL_R * 4 + 0];
+                                               a = data[FIXTRANS_PIXEL_R * 4 + 3];
+                                               sumR += r; sumG += g; sumB += b; sumA += a; sumRA += r*a; sumGA += g*a; sumBA += b*a; ++cnt;
+                                       }
+                                       if(!cnt)
+                                               continue;
+                                       r0 = data[FIXTRANS_PIXEL * 4 + 2];
+                                       g0 = data[FIXTRANS_PIXEL * 4 + 1];
+                                       b0 = data[FIXTRANS_PIXEL * 4 + 0];
+                                       if(sumA)
+                                       {
+                                               // there is a surrounding non-alpha pixel
+                                               r = (sumRA + sumA / 2) / sumA;
+                                               g = (sumGA + sumA / 2) / sumA;
+                                               b = (sumBA + sumA / 2) / sumA;
+                                       }
+                                       else
+                                       {
+                                               // need to use a "regular" average
+                                               r = (sumR + cnt / 2) / cnt;
+                                               g = (sumG + cnt / 2) / cnt;
+                                               b = (sumB + cnt / 2) / cnt;
+                                       }
+                                       if(r != r0 || g != g0 || b != b0)
+                                               ++changedPixels;
+                                       data[FIXTRANS_PIXEL * 4 + 2] = r;
+                                       data[FIXTRANS_PIXEL * 4 + 1] = g;
+                                       data[FIXTRANS_PIXEL * 4 + 0] = b;
+                                       fixMask[FIXTRANS_PIXEL] |= FIXTRANS_FIXED;
+                               }
+               for(y = 0; y < h; ++y)
+                       for(x = 0; x < w; ++x)
+                               if(fixMask[FIXTRANS_PIXEL] & FIXTRANS_FIXED)
+                               {
+                                       fixMask[FIXTRANS_PIXEL] &= ~(FIXTRANS_NEEDED | FIXTRANS_FIXED);
+                                       fixMask[FIXTRANS_PIXEL_D] |= FIXTRANS_HAS_U;
+                                       fixMask[FIXTRANS_PIXEL_U] |= FIXTRANS_HAS_D;
+                                       fixMask[FIXTRANS_PIXEL_R] |= FIXTRANS_HAS_L;
+                                       fixMask[FIXTRANS_PIXEL_L] |= FIXTRANS_HAS_R;
+                                       --fixPixels;
+                               }
+       }
+       return changedPixels;
+}
+
+void Image_FixTransparentPixels_f(void)
+{
+       const char *filename, *filename_pattern;
+       fssearch_t *search;
+       int i, n;
+       char outfilename[MAX_QPATH], buf[MAX_QPATH];
+       unsigned char *data;
+       if(Cmd_Argc() != 2)
+       {
+               Con_Printf("Usage: %s imagefile\n", Cmd_Argv(0));
+               return;
+       }
+       filename_pattern = Cmd_Argv(1);
+       search = FS_Search(filename_pattern, true, true);
+       if(!search)
+               return;
+       for(i = 0; i < search->numfilenames; ++i)
+       {
+               filename = search->filenames[i];
+               Con_Printf("Processing %s... ", filename);
+               Image_StripImageExtension(filename, buf, sizeof(buf));
+               dpsnprintf(outfilename, sizeof(outfilename), "fixtrans/%s.tga", buf);
+               if(!(data = loadimagepixelsbgra(filename, true, false)))
+                       return;
+               if((n = fixtransparentpixels(data, image_width, image_height)))
+               {
+                       Image_WriteTGABGRA(outfilename, image_width, image_height, data);
+                       Con_Printf("%s written (%d pixels changed).\n", outfilename, n);
+               }
+               else
+                       Con_Printf("unchanged.\n");
+               Mem_Free(data);
+       }
+       FS_FreeSearch(search);
+}
+
+qboolean Image_WriteTGABGR_preflipped (const char *filename, int width, int height, const unsigned char *data, unsigned char *buffer)
 {
        qboolean ret;
-       unsigned char *out;
-       const unsigned char *in, *end;
 
        memset (buffer, 0, 18);
        buffer[2] = 2;          // uncompressed type
@@ -936,21 +1115,13 @@ qboolean Image_WriteTGARGB_preflipped (const char *filename, int width, int heig
        buffer[16] = 24;        // pixel size
 
        // swap rgb to bgr
-       in = data;
-       out = buffer + 18;
-       end = in + width*height*3;
-       for (;in < end;in += 3)
-       {
-               *out++ = in[2];
-               *out++ = in[1];
-               *out++ = in[0];
-       }
+       memcpy(buffer + 18, data, width*height*3);
        ret = FS_WriteFile (filename, buffer, width*height*3 + 18 );
 
        return ret;
 }
 
-void Image_WriteTGARGBA (const char *filename, int width, int height, const unsigned char *data)
+void Image_WriteTGABGRA (const char *filename, int width, int height, const unsigned char *data)
 {
        int y;
        unsigned char *buffer, *out;
@@ -964,24 +1135,46 @@ void Image_WriteTGARGBA (const char *filename, int width, int height, const unsi
        buffer[13] = (width >> 8) & 0xFF;
        buffer[14] = (height >> 0) & 0xFF;
        buffer[15] = (height >> 8) & 0xFF;
-       buffer[16] = 32;        // pixel size
-       buffer[17] = 8; // 8 bits of alpha
 
-       // swap rgba to bgra and flip upside down
-       out = buffer + 18;
-       for (y = height - 1;y >= 0;y--)
+       for (y = 3;y < width*height*4;y += 4)
+               if (data[y] < 255)
+                       break;
+
+       if (y < width*height*4)
        {
-               in = data + y * width * 4;
-               end = in + width * 4;
-               for (;in < end;in += 4)
+               // save the alpha channel
+               buffer[16] = 32;        // pixel size
+               buffer[17] = 8; // 8 bits of alpha
+
+               // flip upside down
+               out = buffer + 18;
+               for (y = height - 1;y >= 0;y--)
                {
-                       *out++ = in[2];
-                       *out++ = in[1];
-                       *out++ = in[0];
-                       *out++ = in[3];
+                       memcpy(out, data + y * width * 4, width * 4);
+                       out += width*4;
+               }
+       }
+       else
+       {
+               // save only the color channels
+               buffer[16] = 24;        // pixel size
+               buffer[17] = 0; // 8 bits of alpha
+
+               // truncate bgra to bgr and flip upside down
+               out = buffer + 18;
+               for (y = height - 1;y >= 0;y--)
+               {
+                       in = data + y * width * 4;
+                       end = in + width * 4;
+                       for (;in < end;in += 4)
+                       {
+                               *out++ = in[0];
+                               *out++ = in[1];
+                               *out++ = in[2];
+                       }
                }
        }
-       FS_WriteFile (filename, buffer, width*height*4 + 18 );
+       FS_WriteFile (filename, buffer, out - buffer);
 
        Mem_Free(buffer);
 }
@@ -1017,35 +1210,6 @@ static void Image_Resample32LerpLine (const unsigned char *in, unsigned char *ou
        }
 }
 
-static void Image_Resample24LerpLine (const unsigned char *in, unsigned char *out, int inwidth, int outwidth)
-{
-       int             j, xi, oldx = 0, f, fstep, endx, lerp;
-       fstep = (int) (inwidth*65536.0f/outwidth);
-       endx = (inwidth-1);
-       for (j = 0,f = 0;j < outwidth;j++, f += fstep)
-       {
-               xi = f >> 16;
-               if (xi != oldx)
-               {
-                       in += (xi - oldx) * 3;
-                       oldx = xi;
-               }
-               if (xi < endx)
-               {
-                       lerp = f & 0xFFFF;
-                       *out++ = (unsigned char) ((((in[3] - in[0]) * lerp) >> 16) + in[0]);
-                       *out++ = (unsigned char) ((((in[4] - in[1]) * lerp) >> 16) + in[1]);
-                       *out++ = (unsigned char) ((((in[5] - in[2]) * lerp) >> 16) + in[2]);
-               }
-               else // last pixel of the line has no pixel to lerp to
-               {
-                       *out++ = in[0];
-                       *out++ = in[1];
-                       *out++ = in[2];
-               }
-       }
-}
-
 #define LERPBYTE(i) r = resamplerow1[i];out[i] = (unsigned char) ((((resamplerow2[i] - r) * lerp) >> 16) + r)
 void Image_Resample32Lerp(const void *indata, int inwidth, int inheight, void *outdata, int outwidth, int outheight)
 {
@@ -1188,170 +1352,28 @@ void Image_Resample32Nolerp(const void *indata, int inwidth, int inheight, void
        }
 }
 
-void Image_Resample24Lerp(const void *indata, int inwidth, int inheight, void *outdata, int outwidth, int outheight)
-{
-       int i, j, r, yi, oldy, f, fstep, lerp, endy = (inheight-1), inwidth3 = inwidth * 3, outwidth3 = outwidth * 3;
-       unsigned char *out;
-       const unsigned char *inrow;
-       unsigned char *resamplerow1;
-       unsigned char *resamplerow2;
-       out = (unsigned char *)outdata;
-       fstep = (int) (inheight*65536.0f/outheight);
-
-       resamplerow1 = (unsigned char *)Mem_Alloc(tempmempool, outwidth*3*2);
-       resamplerow2 = resamplerow1 + outwidth*3;
-
-       inrow = (const unsigned char *)indata;
-       oldy = 0;
-       Image_Resample24LerpLine (inrow, resamplerow1, inwidth, outwidth);
-       Image_Resample24LerpLine (inrow + inwidth3, resamplerow2, inwidth, outwidth);
-       for (i = 0, f = 0;i < outheight;i++,f += fstep)
-       {
-               yi = f >> 16;
-               if (yi < endy)
-               {
-                       lerp = f & 0xFFFF;
-                       if (yi != oldy)
-                       {
-                               inrow = (unsigned char *)indata + inwidth3*yi;
-                               if (yi == oldy+1)
-                                       memcpy(resamplerow1, resamplerow2, outwidth3);
-                               else
-                                       Image_Resample24LerpLine (inrow, resamplerow1, inwidth, outwidth);
-                               Image_Resample24LerpLine (inrow + inwidth3, resamplerow2, inwidth, outwidth);
-                               oldy = yi;
-                       }
-                       j = outwidth - 4;
-                       while(j >= 0)
-                       {
-                               LERPBYTE( 0);
-                               LERPBYTE( 1);
-                               LERPBYTE( 2);
-                               LERPBYTE( 3);
-                               LERPBYTE( 4);
-                               LERPBYTE( 5);
-                               LERPBYTE( 6);
-                               LERPBYTE( 7);
-                               LERPBYTE( 8);
-                               LERPBYTE( 9);
-                               LERPBYTE(10);
-                               LERPBYTE(11);
-                               out += 12;
-                               resamplerow1 += 12;
-                               resamplerow2 += 12;
-                               j -= 4;
-                       }
-                       if (j & 2)
-                       {
-                               LERPBYTE( 0);
-                               LERPBYTE( 1);
-                               LERPBYTE( 2);
-                               LERPBYTE( 3);
-                               LERPBYTE( 4);
-                               LERPBYTE( 5);
-                               out += 6;
-                               resamplerow1 += 6;
-                               resamplerow2 += 6;
-                       }
-                       if (j & 1)
-                       {
-                               LERPBYTE( 0);
-                               LERPBYTE( 1);
-                               LERPBYTE( 2);
-                               out += 3;
-                               resamplerow1 += 3;
-                               resamplerow2 += 3;
-                       }
-                       resamplerow1 -= outwidth3;
-                       resamplerow2 -= outwidth3;
-               }
-               else
-               {
-                       if (yi != oldy)
-                       {
-                               inrow = (unsigned char *)indata + inwidth3*yi;
-                               if (yi == oldy+1)
-                                       memcpy(resamplerow1, resamplerow2, outwidth3);
-                               else
-                                       Image_Resample24LerpLine (inrow, resamplerow1, inwidth, outwidth);
-                               oldy = yi;
-                       }
-                       memcpy(out, resamplerow1, outwidth3);
-               }
-       }
-       Mem_Free(resamplerow1);
-       resamplerow1 = NULL;
-       resamplerow2 = NULL;
-}
-
-void Image_Resample24Nolerp(const void *indata, int inwidth, int inheight, void *outdata, int outwidth, int outheight)
-{
-       int i, j, f, inwidth3 = inwidth * 3;
-       unsigned frac, fracstep;
-       unsigned char *inrow, *out;
-       out = (unsigned char *)outdata;
-
-       fracstep = inwidth*0x10000/outwidth;
-       for (i = 0;i < outheight;i++)
-       {
-               inrow = (unsigned char *)indata + inwidth3*(i*inheight/outheight);
-               frac = fracstep >> 1;
-               j = outwidth - 4;
-               while (j >= 0)
-               {
-                       f = (frac >> 16)*3;*out++ = inrow[f+0];*out++ = inrow[f+1];*out++ = inrow[f+2];frac += fracstep;
-                       f = (frac >> 16)*3;*out++ = inrow[f+0];*out++ = inrow[f+1];*out++ = inrow[f+2];frac += fracstep;
-                       f = (frac >> 16)*3;*out++ = inrow[f+0];*out++ = inrow[f+1];*out++ = inrow[f+2];frac += fracstep;
-                       f = (frac >> 16)*3;*out++ = inrow[f+0];*out++ = inrow[f+1];*out++ = inrow[f+2];frac += fracstep;
-                       j -= 4;
-               }
-               if (j & 2)
-               {
-                       f = (frac >> 16)*3;*out++ = inrow[f+0];*out++ = inrow[f+1];*out++ = inrow[f+2];frac += fracstep;
-                       f = (frac >> 16)*3;*out++ = inrow[f+0];*out++ = inrow[f+1];*out++ = inrow[f+2];frac += fracstep;
-                       out += 2;
-               }
-               if (j & 1)
-               {
-                       f = (frac >> 16)*3;*out++ = inrow[f+0];*out++ = inrow[f+1];*out++ = inrow[f+2];frac += fracstep;
-                       out += 1;
-               }
-       }
-}
-
 /*
 ================
 Image_Resample
 ================
 */
-void Image_Resample (const void *indata, int inwidth, int inheight, int indepth, void *outdata, int outwidth, int outheight, int outdepth, int bytesperpixel, int quality)
+void Image_Resample32(const void *indata, int inwidth, int inheight, int indepth, void *outdata, int outwidth, int outheight, int outdepth, int quality)
 {
        if (indepth != 1 || outdepth != 1)
        {
                Con_Printf ("Image_Resample: 3D resampling not supported\n");
                return;
        }
-       if (bytesperpixel == 4)
-       {
-               if (quality)
-                       Image_Resample32Lerp(indata, inwidth, inheight, outdata, outwidth, outheight);
-               else
-                       Image_Resample32Nolerp(indata, inwidth, inheight, outdata, outwidth, outheight);
-       }
-       else if (bytesperpixel == 3)
-       {
-               if (quality)
-                       Image_Resample24Lerp(indata, inwidth, inheight, outdata, outwidth, outheight);
-               else
-                       Image_Resample24Nolerp(indata, inwidth, inheight, outdata, outwidth, outheight);
-       }
+       if (quality)
+               Image_Resample32Lerp(indata, inwidth, inheight, outdata, outwidth, outheight);
        else
-               Con_Printf ("Image_Resample: unsupported bytesperpixel %i\n", bytesperpixel);
+               Image_Resample32Nolerp(indata, inwidth, inheight, outdata, outwidth, outheight);
 }
 
 // in can be the same as out
-void Image_MipReduce(const unsigned char *in, unsigned char *out, int *width, int *height, int *depth, int destwidth, int destheight, int destdepth, int bytesperpixel)
+void Image_MipReduce32(const unsigned char *in, unsigned char *out, int *width, int *height, int *depth, int destwidth, int destheight, int destdepth)
 {
+       const unsigned char *inrow;
        int x, y, nextrow;
        if (*depth != 1 || destdepth != 1)
        {
@@ -1364,7 +1386,10 @@ void Image_MipReduce(const unsigned char *in, unsigned char *out, int *width, in
                        *depth >>= 1;
                return;
        }
-       nextrow = *width * bytesperpixel;
+       // note: if given odd width/height this discards the last row/column of
+       // pixels, rather than doing a proper box-filter scale down
+       inrow = in;
+       nextrow = *width * 4;
        if (*width > destwidth)
        {
                *width >>= 1;
@@ -1372,74 +1397,34 @@ void Image_MipReduce(const unsigned char *in, unsigned char *out, int *width, in
                {
                        // reduce both
                        *height >>= 1;
-                       if (bytesperpixel == 4)
+                       for (y = 0;y < *height;y++, inrow += nextrow * 2)
                        {
-                               for (y = 0;y < *height;y++)
+                               for (in = inrow, x = 0;x < *width;x++)
                                {
-                                       for (x = 0;x < *width;x++)
-                                       {
-                                               out[0] = (unsigned char) ((in[0] + in[4] + in[nextrow  ] + in[nextrow+4]) >> 2);
-                                               out[1] = (unsigned char) ((in[1] + in[5] + in[nextrow+1] + in[nextrow+5]) >> 2);
-                                               out[2] = (unsigned char) ((in[2] + in[6] + in[nextrow+2] + in[nextrow+6]) >> 2);
-                                               out[3] = (unsigned char) ((in[3] + in[7] + in[nextrow+3] + in[nextrow+7]) >> 2);
-                                               out += 4;
-                                               in += 8;
-                                       }
-                                       in += nextrow; // skip a line
+                                       out[0] = (unsigned char) ((in[0] + in[4] + in[nextrow  ] + in[nextrow+4]) >> 2);
+                                       out[1] = (unsigned char) ((in[1] + in[5] + in[nextrow+1] + in[nextrow+5]) >> 2);
+                                       out[2] = (unsigned char) ((in[2] + in[6] + in[nextrow+2] + in[nextrow+6]) >> 2);
+                                       out[3] = (unsigned char) ((in[3] + in[7] + in[nextrow+3] + in[nextrow+7]) >> 2);
+                                       out += 4;
+                                       in += 8;
                                }
                        }
-                       else if (bytesperpixel == 3)
-                       {
-                               for (y = 0;y < *height;y++)
-                               {
-                                       for (x = 0;x < *width;x++)
-                                       {
-                                               out[0] = (unsigned char) ((in[0] + in[3] + in[nextrow  ] + in[nextrow+3]) >> 2);
-                                               out[1] = (unsigned char) ((in[1] + in[4] + in[nextrow+1] + in[nextrow+4]) >> 2);
-                                               out[2] = (unsigned char) ((in[2] + in[5] + in[nextrow+2] + in[nextrow+5]) >> 2);
-                                               out += 3;
-                                               in += 6;
-                                       }
-                                       in += nextrow; // skip a line
-                               }
-                       }
-                       else
-                               Con_Printf ("Image_MipReduce: unsupported bytesperpixel %i\n", bytesperpixel);
                }
                else
                {
                        // reduce width
-                       if (bytesperpixel == 4)
+                       for (y = 0;y < *height;y++, inrow += nextrow)
                        {
-                               for (y = 0;y < *height;y++)
+                               for (in = inrow, x = 0;x < *width;x++)
                                {
-                                       for (x = 0;x < *width;x++)
-                                       {
-                                               out[0] = (unsigned char) ((in[0] + in[4]) >> 1);
-                                               out[1] = (unsigned char) ((in[1] + in[5]) >> 1);
-                                               out[2] = (unsigned char) ((in[2] + in[6]) >> 1);
-                                               out[3] = (unsigned char) ((in[3] + in[7]) >> 1);
-                                               out += 4;
-                                               in += 8;
-                                       }
+                                       out[0] = (unsigned char) ((in[0] + in[4]) >> 1);
+                                       out[1] = (unsigned char) ((in[1] + in[5]) >> 1);
+                                       out[2] = (unsigned char) ((in[2] + in[6]) >> 1);
+                                       out[3] = (unsigned char) ((in[3] + in[7]) >> 1);
+                                       out += 4;
+                                       in += 8;
                                }
                        }
-                       else if (bytesperpixel == 3)
-                       {
-                               for (y = 0;y < *height;y++)
-                               {
-                                       for (x = 0;x < *width;x++)
-                                       {
-                                               out[0] = (unsigned char) ((in[0] + in[3]) >> 1);
-                                               out[1] = (unsigned char) ((in[1] + in[4]) >> 1);
-                                               out[2] = (unsigned char) ((in[2] + in[5]) >> 1);
-                                               out += 3;
-                                               in += 6;
-                                       }
-                               }
-                       }
-                       else
-                               Con_Printf ("Image_MipReduce: unsupported bytesperpixel %i\n", bytesperpixel);
                }
        }
        else
@@ -1448,224 +1433,63 @@ void Image_MipReduce(const unsigned char *in, unsigned char *out, int *width, in
                {
                        // reduce height
                        *height >>= 1;
-                       if (bytesperpixel == 4)
-                       {
-                               for (y = 0;y < *height;y++)
-                               {
-                                       for (x = 0;x < *width;x++)
-                                       {
-                                               out[0] = (unsigned char) ((in[0] + in[nextrow  ]) >> 1);
-                                               out[1] = (unsigned char) ((in[1] + in[nextrow+1]) >> 1);
-                                               out[2] = (unsigned char) ((in[2] + in[nextrow+2]) >> 1);
-                                               out[3] = (unsigned char) ((in[3] + in[nextrow+3]) >> 1);
-                                               out += 4;
-                                               in += 4;
-                                       }
-                                       in += nextrow; // skip a line
-                               }
-                       }
-                       else if (bytesperpixel == 3)
+                       for (y = 0;y < *height;y++, inrow += nextrow * 2)
                        {
-                               for (y = 0;y < *height;y++)
+                               for (in = inrow, x = 0;x < *width;x++)
                                {
-                                       for (x = 0;x < *width;x++)
-                                       {
-                                               out[0] = (unsigned char) ((in[0] + in[nextrow  ]) >> 1);
-                                               out[1] = (unsigned char) ((in[1] + in[nextrow+1]) >> 1);
-                                               out[2] = (unsigned char) ((in[2] + in[nextrow+2]) >> 1);
-                                               out += 3;
-                                               in += 3;
-                                       }
-                                       in += nextrow; // skip a line
+                                       out[0] = (unsigned char) ((in[0] + in[nextrow  ]) >> 1);
+                                       out[1] = (unsigned char) ((in[1] + in[nextrow+1]) >> 1);
+                                       out[2] = (unsigned char) ((in[2] + in[nextrow+2]) >> 1);
+                                       out[3] = (unsigned char) ((in[3] + in[nextrow+3]) >> 1);
+                                       out += 4;
+                                       in += 4;
                                }
                        }
-                       else
-                               Con_Printf ("Image_MipReduce: unsupported bytesperpixel %i\n", bytesperpixel);
                }
                else
                        Con_Printf ("Image_MipReduce: desired size already achieved\n");
        }
 }
 
-void Image_HeightmapToNormalmap(const unsigned char *inpixels, unsigned char *outpixels, int width, int height, int clamp, float bumpscale)
+void Image_HeightmapToNormalmap_BGRA(const unsigned char *inpixels, unsigned char *outpixels, int width, int height, int clamp, float bumpscale)
 {
-       int x, y;
-       const unsigned char *p0, *p1, *p2;
+       int x, y, x1, x2, y1, y2;
+       const unsigned char *b, *row[3];
+       int p[5];
        unsigned char *out;
        float iwidth, iheight, ibumpscale, n[3];
        iwidth = 1.0f / width;
        iheight = 1.0f / height;
-       ibumpscale = (255.0f * 3.0f) / bumpscale;
+       ibumpscale = (255.0f * 6.0f) / bumpscale;
        out = outpixels;
-       for (y = 0;y < height;y++)
+       for (y = 0, y1 = height-1;y < height;y1 = y, y++)
        {
-               for (x = 0;x < width;x++)
+               y2 = y + 1;if (y2 >= height) y2 = 0;
+               row[0] = inpixels + (y1 * width) * 4;
+               row[1] = inpixels + (y  * width) * 4;
+               row[2] = inpixels + (y2 * width) * 4;
+               for (x = 0, x1 = width-1;x < width;x1 = x, x++)
                {
-                       p0 = inpixels + (y * width + x) * 4;
-                       if (x == width - 1)
-                       {
-                               if (clamp)
-                                       p1 = inpixels + (y * width + x) * 4;
-                               else
-                                       p1 = inpixels + (y * width) * 4;
-                       }
-                       else
-                               p1 = inpixels + (y * width + x + 1) * 4;
-                       if (y == height - 1)
-                       {
-                               if (clamp)
-                                       p2 = inpixels + (y * width + x) * 4;
-                               else
-                                       p2 = inpixels + x * 4;
-                       }
-                       else
-                               p2 = inpixels + ((y + 1) * width + x) * 4;
-                       /*
-                       dv[0][0] = iwidth;
-                       dv[0][1] = 0;
-                       dv[0][2] = ((p0[0] + p0[1] + p0[2]) * ibumpscale) - ((p1[0] + p1[1] + p1[2]) * ibumpscale);
-                       dv[1][0] = 0;
-                       dv[1][1] = iheight;
-                       dv[1][2] = ((p2[0] + p2[1] + p2[2]) * ibumpscale) - ((p0[0] + p0[1] + p0[2]) * ibumpscale);
-                       n[0] = dv[0][1]*dv[1][2]-dv[0][2]*dv[1][1];
-                       n[1] = dv[0][2]*dv[1][0]-dv[0][0]*dv[1][2];
-                       n[2] = dv[0][0]*dv[1][1]-dv[0][1]*dv[1][0];
-                       */
-                       n[0] = ((p0[0] + p0[1] + p0[2]) - (p1[0] + p1[1] + p1[2]));
-                       n[1] = ((p2[0] + p2[1] + p2[2]) - (p0[0] + p0[1] + p0[2]));
-                       n[2] = ibumpscale;
-                       VectorNormalize(n);
-                       /*
-                       // this should work for the bottom right triangle if anyone wants
-                       // code for that for some reason
-                       n[0] = ((p3[0] + p3[1] + p3[2]) - (p1[0] + p1[1] + p1[2]));
-                       n[1] = ((p2[0] + p2[1] + p2[2]) - (p3[0] + p3[1] + p3[2]));
+                       x2 = x + 1;if (x2 >= width) x2 = 0;
+                       // left, right
+                       b = row[1] + x1 * 4;p[0] = (b[0] + b[1] + b[2]);
+                       b = row[1] + x2 * 4;p[1] = (b[0] + b[1] + b[2]);
+                       // above, below
+                       b = row[0] + x  * 4;p[2] = (b[0] + b[1] + b[2]);
+                       b = row[2] + x  * 4;p[3] = (b[0] + b[1] + b[2]);
+                       // center
+                       b = row[1] + x  * 4;p[4] = (b[0] + b[1] + b[2]);
+                       // calculate a normal from the slopes
+                       n[0] = p[0] - p[1];
+                       n[1] = p[3] - p[2];
                        n[2] = ibumpscale;
                        VectorNormalize(n);
-                       */
-                       out[0] = (int)(128.0f + n[0] * 127.0f);
+                       // turn it into a dot3 rgb vector texture
+                       out[2] = (int)(128.0f + n[0] * 127.0f);
                        out[1] = (int)(128.0f + n[1] * 127.0f);
-                       out[2] = (int)(128.0f + n[2] * 127.0f);
-                       out[3] = (p0[0] + p0[1] + p0[2]) / 3;
+                       out[0] = (int)(128.0f + n[2] * 127.0f);
+                       out[3] = (p[4]) / 3;
                        out += 4;
                }
        }
 }
-
-int image_loadskin(imageskin_t *s, const char *shadername)
-{
-       int j;
-       unsigned char *bumppixels;
-       int bumppixels_width, bumppixels_height;
-       char name[MAX_QPATH];
-       strlcpy(name, shadername, sizeof(name));
-       Image_StripImageExtension(name, name);
-       memset(s, 0, sizeof(*s));
-       s->basepixels = loadimagepixels(name, false, 0, 0);
-       if (s->basepixels == NULL)
-               return false;
-       s->basepixels_width = image_width;
-       s->basepixels_height = image_height;
-
-       bumppixels = NULL;bumppixels_width = 0;bumppixels_height = 0;
-       for (j = 3;j < s->basepixels_width * s->basepixels_height * 4;j += 4)
-               if (s->basepixels[j] < 255)
-                       break;
-       if (j < s->basepixels_width * s->basepixels_height * 4)
-       {
-               // has transparent pixels
-               s->maskpixels = (unsigned char *)Mem_Alloc(loadmodel->mempool, s->basepixels_width * s->basepixels_height * 4);
-               s->maskpixels_width = s->basepixels_width;
-               s->maskpixels_height = s->basepixels_height;
-               memcpy(s->maskpixels, s->basepixels, s->maskpixels_width * s->maskpixels_height * 4);
-               for (j = 0;j < s->basepixels_width * s->basepixels_height * 4;j += 4)
-               {
-                       s->maskpixels[j+0] = 255;
-                       s->maskpixels[j+1] = 255;
-                       s->maskpixels[j+2] = 255;
-               }
-       }
-
-       // _luma is supported for tenebrae compatibility
-       // (I think it's a very stupid name, but oh well)
-       if ((s->glowpixels = loadimagepixels(va("%s_glow", name), false, 0, 0)) != NULL
-        || (s->glowpixels = loadimagepixels(va("%s_luma", name), false, 0, 0)) != NULL)
-       {
-               s->glowpixels_width = image_width;
-               s->glowpixels_height = image_height;
-       }
-       // _norm is the name used by tenebrae
-       // (I don't like the name much)
-       if ((s->nmappixels = loadimagepixels(va("%s_norm", name), false, 0, 0)) != NULL)
-       {
-               s->nmappixels_width = image_width;
-               s->nmappixels_height = image_height;
-       }
-       else if ((bumppixels = loadimagepixels(va("%s_bump", name), false, 0, 0)) != NULL)
-       {
-               bumppixels_width = image_width;
-               bumppixels_height = image_height;
-       }
-       if ((s->glosspixels = loadimagepixels(va("%s_gloss", name), false, 0, 0)) != NULL)
-       {
-               s->glosspixels_width = image_width;
-               s->glosspixels_height = image_height;
-       }
-       if ((s->pantspixels = loadimagepixels(va("%s_pants", name), false, 0, 0)) != NULL)
-       {
-               s->pantspixels_width = image_width;
-               s->pantspixels_height = image_height;
-       }
-       if ((s->shirtpixels = loadimagepixels(va("%s_shirt", name), false, 0, 0)) != NULL)
-       {
-               s->shirtpixels_width = image_width;
-               s->shirtpixels_height = image_height;
-       }
-
-       if (s->nmappixels == NULL)
-       {
-               if (bumppixels != NULL)
-               {
-                       if (r_shadow_bumpscale_bumpmap.value > 0)
-                       {
-                               s->nmappixels = (unsigned char *)Mem_Alloc(loadmodel->mempool, bumppixels_width * bumppixels_height * 4);
-                               s->nmappixels_width = bumppixels_width;
-                               s->nmappixels_height = bumppixels_height;
-                               Image_HeightmapToNormalmap(bumppixels, s->nmappixels, s->nmappixels_width, s->nmappixels_height, false, r_shadow_bumpscale_bumpmap.value);
-                       }
-               }
-               else
-               {
-                       if (r_shadow_bumpscale_basetexture.value > 0)
-                       {
-                               s->nmappixels = (unsigned char *)Mem_Alloc(loadmodel->mempool, s->basepixels_width * s->basepixels_height * 4);
-                               s->nmappixels_width = s->basepixels_width;
-                               s->nmappixels_height = s->basepixels_height;
-                               Image_HeightmapToNormalmap(s->basepixels, s->nmappixels, s->nmappixels_width, s->nmappixels_height, false, r_shadow_bumpscale_basetexture.value);
-                       }
-               }
-       }
-       if (bumppixels != NULL)
-               Mem_Free(bumppixels);
-       return true;
-}
-
-void image_freeskin(imageskin_t *s)
-{
-       if (s->basepixels)
-               Mem_Free(s->basepixels);
-       if (s->maskpixels)
-               Mem_Free(s->maskpixels);
-       if (s->nmappixels)
-               Mem_Free(s->nmappixels);
-       if (s->glowpixels)
-               Mem_Free(s->glowpixels);
-       if (s->glosspixels)
-               Mem_Free(s->glosspixels);
-       if (s->pantspixels)
-               Mem_Free(s->pantspixels);
-       if (s->shirtpixels)
-               Mem_Free(s->shirtpixels);
-       memset(s, 0, sizeof(*s));
-}
-