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 Image* LoadJPGBuff_( const void *src_buffer, int src_size ){
struct jpeg_decompress_struct cinfo;
struct my_jpeg_error_mgr jerr;
cinfo.err = jpeg_std_error( &jerr.pub );
jerr.pub.error_exit = my_jpeg_error_exit;
if ( setjmp( jerr.setjmp_buffer ) ) { //< TODO: use c++ exceptions instead of setjmp/longjmp to handle errors
globalErrorStream() << "WARNING: JPEG library error: " << errormsg << "\n";
jpeg_destroy_decompress( &cinfo );
return 0;
}
jpeg_create_decompress( &cinfo );
jpeg_buffer_src( &cinfo, const_cast<void*>( src_buffer ), src_size );
jpeg_read_header( &cinfo, TRUE );
jpeg_start_decompress( &cinfo );
int row_stride = cinfo.output_width * cinfo.output_components;
RGBAImage* image = new RGBAImage( cinfo.output_width, cinfo.output_height );
JSAMPARRAY buffer = ( *cinfo.mem->alloc_sarray )( ( j_common_ptr ) & cinfo, JPOOL_IMAGE, row_stride, 1 );
while ( cinfo.output_scanline < cinfo.output_height )
{
jpeg_read_scanlines( &cinfo, buffer, 1 );
if ( cinfo.out_color_components == 4 ) {
j_putRGBAScanline( buffer[0], cinfo.output_width, image->getRGBAPixels(), cinfo.output_scanline - 1 );
}
else if ( cinfo.out_color_components == 3 ) {
j_putRGBScanline( buffer[0], cinfo.output_width, image->getRGBAPixels(), cinfo.output_scanline - 1 );
}
else if ( cinfo.out_color_components == 1 ) {
j_putGrayScanlineToRGB( buffer[0], cinfo.output_width, image->getRGBAPixels(), cinfo.output_scanline - 1 );
}
}
jpeg_finish_decompress( &cinfo );
jpeg_destroy_decompress( &cinfo );
return image;
}
static Image* LoadImage (ArchiveFile& file, const char *extension)
{
RGBAImage* image = (RGBAImage *) 0;
/* load the buffer from pk3 or filesystem */
ScopedArchiveBuffer buffer(file);
GdkPixbufLoader *loader = gdk_pixbuf_loader_new_with_type(extension, (GError**) 0);
if (loader == (GdkPixbufLoader*)0) {
g_warning("could not get a loader for: '%s'\n", extension);
return image;
}
GError *error = (GError *) 0;
if (gdk_pixbuf_loader_write(loader, (const guchar *) buffer.buffer, static_cast<gsize> (buffer.length),
&error)) {
int pos = 0;
GdkPixbuf *pixbuf = gdk_pixbuf_loader_get_pixbuf(loader);
const int width = gdk_pixbuf_get_width(pixbuf);
const int height = gdk_pixbuf_get_height(pixbuf);
const gboolean hasAlpha = gdk_pixbuf_get_has_alpha(pixbuf);
const int stepWidth = gdk_pixbuf_get_n_channels(pixbuf);
const guchar *pixels = gdk_pixbuf_get_pixels(pixbuf);
image = new RGBAImage(width, height, false);
byte *rgba = image->getRGBAPixels();
const int rowextra = gdk_pixbuf_get_rowstride(pixbuf) - width * stepWidth;
for (int y = 0; y < height; ++y, pixels += rowextra) {
for (int x = 0; x < width; ++x) {
rgba[pos++] = *(pixels++);
rgba[pos++] = *(pixels++);
rgba[pos++] = *(pixels++);
if (hasAlpha && *pixels != 255)
image->setHasAlpha(true);
rgba[pos++] = hasAlpha ? *(pixels++) : 255;
}
}
g_object_unref(pixbuf);
} else {
g_warning("image could not get loaded: '%s' %s\n",
file.getName().c_str(), (error != (GError *) 0) ? error->message : "");
if (error)
g_error_free(error);
}
gdk_pixbuf_loader_close(loader, (GError**) 0);
return image;
}
Image* LoadDDSBuff( const byte* buffer ){
int width, height;
ddsPF_t pixelFormat;
if ( DDSGetInfo( reinterpret_cast<ddsBuffer_t*>( const_cast<byte*>( buffer ) ), &width, &height, &pixelFormat ) == -1 ) {
return 0;
}
RGBAImage* image = new RGBAImage( width, height );
if ( DDSDecompress( reinterpret_cast<ddsBuffer_t*>( const_cast<byte*>( buffer ) ), image->getRGBAPixels() ) == -1 ) {
image->release();
return 0;
}
return image;
}
Image* LoadMDLImageBuff( byte* buffer ){
if ( !LoadPalette() ) {
return 0;
}
if ( !ident_equal( buffer, MDL_IDENT ) ) {
globalErrorStream() << "LoadMDLImage: data has wrong ident\n";
return 0;
}
PointerInputStream inputStream( buffer );
inputStream.seek( 4 + 4 + 12 + 12 + 4 + 12 );
//int numskins =
istream_read_int32_le( inputStream );
int skinwidth = istream_read_int32_le( inputStream );
int skinheight = istream_read_int32_le( inputStream );
inputStream.seek( 4 + 4 + 4 + 4 + 4 + 4 );
switch ( istream_read_int32_le( inputStream ) )
{
case MDL_SKIN_SINGLE:
break;
case MDL_SKIN_GROUP:
int numskins = istream_read_int32_le( inputStream );
inputStream.seek( numskins * 4 );
break;
}
RGBAImage* image = new RGBAImage( skinwidth, skinheight );
unsigned char* pRGBA = image->getRGBAPixels();
for ( int i = 0; i < ( skinheight ); i++ )
{
for ( int j = 0; j < ( skinwidth ); j++ )
{
byte index = istream_read_byte( inputStream );
*pRGBA++ = mdl_palette[index * 3 + 0];
*pRGBA++ = mdl_palette[index * 3 + 1];
*pRGBA++ = mdl_palette[index * 3 + 2];
*pRGBA++ = 255;
}
}
return image;
}
Image* LoadIDSPBuff( byte *buffer ){
byte *buf_p;
int columns, rows;
byte *pixbuf;
int row, column;
byte *palette;
unsigned char red, green, blue, alphabyte;
dspriteheader_t *header;
dspritev1_t *pinv1;
dspritev2_t *pinv2;
dspriteframetype_t *pframetype;
int version;
int numframes;
dspriteframe_t *spriteframe;
header = (dspriteheader_t *)buffer;
if ( header->ident != IDSPRITEHEADER ) {
globalWarningStream() << "WARNING: IDSP file has wrong header\n";
return 0;
}
version = header->version;
if ( version != 1 && version != 2 ) {
globalWarningStream() << "WARNING: IDSP file has wrong version number "
"(" << version << " should be 1 or 2)\n";
return 0;
}
// initialise variables depending on the sprite version.
switch ( version )
{
case 1:
pinv1 = (dspritev1_t *)( header + 1 );
numframes = pinv1->numframes;
columns = pinv1->width;
rows = pinv1->height;
pframetype = (dspriteframetype_t *)( pinv1 + 1 );
break;
case 2:
pinv2 = (dspritev2_t *)( header + 1 );
numframes = pinv2->numframes;
columns = pinv2->width;
rows = pinv2->height;
pframetype = (dspriteframetype_t *)( pinv2 + 1 );
break;
default:
globalWarningStream() << "WARNING: IDSP file has unsupported version\n";
return 0;
}
if ( numframes > 1 ) {
globalWarningStream() << "WARNING: IDSP file has multiple frames, only the first frame will be used.\n";
}
// palette = buffer+mipdatasize+2;
// buf_p = buffer+lpMip->offsets[0];
RGBAImage* image = new RGBAImage( columns, rows );
#ifdef DEBUG
frametype = spriteframetype_t( pframetype->type );
if ( frametype == SPR_SINGLE ) {
globalOutputStream() << "Single Frame\n";
}
else if ( frametype == SPR_GROUP ) {
globalOutputStream() << "Group of Frames\n";
}
else
{
globalWarningStream() << "Bleh!\n"; // <-- we always get this, wtf!
}
#endif
palette = (byte *)( pframetype + 1 );
spriteframe = (dspriteframe_t *)( palette + ( 256 * 3 ) + 4 ); // what are those 4 extra bytes ? what's missing ?
buf_p = (byte *)( spriteframe + 1 );
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. (RGB = 0x0000FF)
// So show them that way in the editor.
if ( blue == 0xff && red == 0x00 && green == 0x00 ) {
alphabyte = 0xff; //FIXME: backwards? (so sprite models to render correctly)
blue = 0x00; // don't set the resulting pixel to blue
}
else
{
alphabyte = 0x00; //FIXME: backwards? (so sprite models to render correctly)
}
*pixbuf++ = red;
*pixbuf++ = green;
*pixbuf++ = blue;
*pixbuf++ = alphabyte;
}
}
return image;
}
