Image* LoadHLWBuff( byte* buffer ){
byte *buf_p;
unsigned long mipdatasize;
int columns, rows, numPixels;
byte *pixbuf;
int row, column;
byte *palette;
LPWAD3_MIP lpMip;
unsigned char red, green, blue, alphabyte;
lpMip = (LPWAD3_MIP)buffer; //!\todo Make endian-safe.
mipdatasize = GET_MIP_DATA_SIZE( lpMip->width,lpMip->height );
palette = buffer + mipdatasize + 2;
buf_p = buffer + lpMip->offsets[0];
columns = lpMip->width;
rows = lpMip->height;
numPixels = columns * rows;
RGBAImage* image = new RGBAImage( columns, rows );
for ( row = 0; row < rows; row++ )
{
pixbuf = image->getRGBAPixels() + row * columns * 4;
for ( column = 0; column < columns; column++ )
{
int palIndex;
palIndex = *buf_p++;
red = *( palette + ( palIndex * 3 ) );
green = *( palette + ( palIndex * 3 ) + 1 );
blue = *( palette + ( palIndex * 3 ) + 2 );
// HalfLife engine makes pixels that are BLUE transparent.
// So show them that way in the editor.
if ( blue == 0xff && red == 0x00 && green == 0x00 ) {
alphabyte = 0x00;
blue = 0x00; // don't set the resulting pixel to blue
}
else
{
alphabyte = 0xff;
}
*pixbuf++ = red;
*pixbuf++ = green;
*pixbuf++ = blue;
*pixbuf++ = alphabyte;
}
}
return image;
}
static void LoadMIP (const char *name, byte ** pic, int *width, int *height)
{
byte *buffer;
byte *buf_p;
unsigned int length, palettelength;
unsigned long mipdatasize;
int columns, rows, numPixels;
byte *pixbuf;
int i;
byte *bmpRGBA;
byte *loadedpalette;
const byte *palette;
LPWAD3_MIP lpMip;
*pic = NULL;
loadedpalette = NULL;
//
// load the file
//
length = vfsLoadFile ((char *) name, (void **) &buffer, 0);
if (length == (unsigned int) -1)
return;
lpMip = (LPWAD3_MIP)buffer;
mipdatasize = GET_MIP_DATA_SIZE(lpMip->width,lpMip->height);
palettelength = vfsLoadFile ("textures/palette.lmp", (void **) &loadedpalette, 0);
if (palettelength == 768)
palette = loadedpalette;
else
{
loadedpalette = NULL;
palette = quakepalette;
}
buf_p = buffer+lpMip->offsets[0];
columns = lpMip->width;
rows = lpMip->height;
numPixels = columns * rows;
if (width)
*width = columns;
if (height)
*height = rows;
//Sys_Printf("lpMip->width = %i, lpMip->height = %i, lpMip->offsets[0] = %i, lpMip->offsets[1] = %i, lpMip->offsets[2] = %i, lpMip->offsets[3] = %i, numPixels = %i\n", lpMip->width, lpMip->height, lpMip->offsets[0], lpMip->offsets[1], lpMip->offsets[2], lpMip->offsets[3], numPixels);
//for (i = 0; i < sizeof(*lpMip); i++)
// Sys_Printf("%02x", (int) ((unsigned char *)lpMip)[i]);
bmpRGBA = reinterpret_cast < unsigned char *>(g_malloc (numPixels * 4));
*pic = bmpRGBA;
pixbuf = bmpRGBA;
for (i = 0; i < numPixels; i++)
{
int palIndex = *buf_p++;
*pixbuf++ = palette[palIndex*3];
*pixbuf++ = palette[palIndex*3+1];
*pixbuf++ = palette[palIndex*3+2];
*pixbuf++ = 0xff;
}
vfsFreeFile (buffer);
if (loadedpalette != NULL)
vfsFreeFile (loadedpalette);
}
static void LoadHLW (const char *name, byte ** pic, int *width, int *height)
{
byte *buffer;
byte *buf_p;
unsigned int length;
unsigned long mipdatasize;
int columns, rows, numPixels;
byte *pixbuf;
int row, column;
byte *bmpRGBA;
byte *palette;
LPWAD3_MIP lpMip;
unsigned char red, green, blue, alphabyte;
*pic = NULL;
//
// load the file
//
length = vfsLoadFile ((char *) name, (void **) &buffer, 0);
if (length == (unsigned int) -1)
return;
lpMip = (LPWAD3_MIP)buffer;
mipdatasize = GET_MIP_DATA_SIZE(lpMip->width,lpMip->height);
palette = buffer+mipdatasize+2;
buf_p = buffer+lpMip->offsets[0];
columns = lpMip->width;
rows = lpMip->height;
numPixels = columns * rows;
if (width)
*width = columns;
if (height)
*height = rows;
bmpRGBA = reinterpret_cast < unsigned char *>(g_malloc (numPixels * 4));
*pic = bmpRGBA;
for (row = 0; row < rows; row++)
{
pixbuf = bmpRGBA + row * columns * 4;
for (column = 0; column < columns; column++)
{
int palIndex;
palIndex = *buf_p++;
red = *(palette+(palIndex*3));
green = *(palette+(palIndex*3)+1);
blue = *(palette+(palIndex*3)+2);
// HalfLife engine makes pixels that are BLUE transparent.
// So show them that way in the editor.
if (blue == 0xff && red == 0x00 && green == 0x00)
{
alphabyte = 0x00;
blue = 0x00; // don't set the resulting pixel to blue
}
else
{
alphabyte = 0xff;
}
*pixbuf++ = red;
*pixbuf++ = green;
*pixbuf++ = blue;
*pixbuf++ = alphabyte;
}
}
vfsFreeFile (buffer);
}
