mirror of https://github.com/TTimo/GtkRadiant.git
606 lines
16 KiB
C++
606 lines
16 KiB
C++
/*
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Copyright (C) 1999-2007 id Software, Inc. and contributors.
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For a list of contributors, see the accompanying CONTRIBUTORS file.
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This file is part of GtkRadiant.
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GtkRadiant is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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GtkRadiant is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GtkRadiant; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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// lbmlib.c
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// by Hydra - hydra@hydras-world.com
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//
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// This module is based on the image module, but just more stripped down.
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// it still currently supports TGA file loading, even though this is not
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// required for HalfLife support (unless MD2 files use TGA's)
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//
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// use the #defines in imagehl.h to enable/disable the various formats.
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//
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// HLW = Half-Life-WAD, I don't know if the actual in data in the WAD files
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// has it's own name, so I'm just calling the individal textures .HLW files :)
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//
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// Thanks to the guys that made Wally for releasing an example WAD loader.
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// without it this would not have been possible.
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#include <stdlib.h>
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#include <string.h>
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#include <glib.h>
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#include "imagehl.h"
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#include "lbmlib.h"
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#include <stdio.h>
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#define Sys_Printf g_FuncTable.m_pfnSysPrintf
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#define Sys_FPrintf g_FuncTable.m_pfnSysFPrintf
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#ifdef USE_IDSP
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/*
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============================================================================
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IDSP IMAGE (.spr files)
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Some code copied straight from the Q1 source, also used the HalfLife SDK as
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a reference.
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============================================================================
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*/
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typedef enum {ST_SYNC = 0, ST_RAND } synctype_t;
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typedef enum { SPR_SINGLE = 0, SPR_GROUP } spriteframetype_t;
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typedef struct dspriteheader_s {
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int ident;
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int version;
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} dspriteheader_t;
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// Quake1
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typedef struct {
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int type;
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float boundingradius;
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int width;
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int height;
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int numframes;
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float beamlength;
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synctype_t synctype;
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} dspritev1_t;
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// Halflife
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typedef struct {
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int type;
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int texFormat;
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float boundingradius;
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int width;
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int height;
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int numframes;
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float beamlength;
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synctype_t synctype;
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} dspritev2_t;
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typedef struct {
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int origin[2];
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int width;
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int height;
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} dspriteframe_t;
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typedef struct {
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short type;
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} dspriteframetype_t;
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/*
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typedef struct {
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byte rgb[256][3];
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} dpalette_t;
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*/
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#define IDSPRITEHEADER ( ( 'P' << 24 ) + ( 'S' << 16 ) + ( 'D' << 8 ) + 'I' )
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// little-endian "IDSP"
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/*
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=============
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LoadIDSP
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=============
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*/
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static void LoadIDSP( const char *name, byte ** pic, int *width, int *height ){
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byte *buffer;
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byte *buf_p;
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unsigned int length;
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int columns, rows, numPixels;
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byte *pixbuf;
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int row, column;
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byte *bmpRGBA;
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byte *palette;
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unsigned char red, green, blue, alphabyte;
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dspriteheader_t *header;
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dspritev1_t *pinv1;
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dspritev2_t *pinv2;
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dspriteframetype_t *pframetype;
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int version;
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int numframes;
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dspriteframe_t *spriteframe;
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*pic = NULL;
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//
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// load the file
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//
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length = vfsLoadFile( (char *) name, (void **) &buffer, 0 );
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if ( length == (unsigned int) -1 ) {
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return;
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}
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header = (dspriteheader_t *)buffer;
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if ( header->ident != IDSPRITEHEADER ) {
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Sys_FPrintf( SYS_WRN, "WARNING: %s has wrong header\n" );
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vfsFreeFile( buffer );
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return;
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}
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version = header->version;
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if ( version != 1 && version != 2 ) {
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Sys_FPrintf( SYS_WRN, "WARNING: %s has wrong version number "
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"(%i should be 1 or 2)\n", name, version );
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vfsFreeFile( buffer );
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return;
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}
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// initialise variables depending on the sprite version.
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switch ( version )
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{
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case 1:
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pinv1 = (dspritev1_t *)( header + 1 );
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numframes = pinv1->numframes;
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columns = pinv1->width;
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rows = pinv1->height;
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pframetype = (dspriteframetype_t *)( pinv1 + 1 );
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break;
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case 2:
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pinv2 = (dspritev2_t *)( header + 1 );
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numframes = pinv2->numframes;
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columns = pinv2->width;
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rows = pinv2->height;
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pframetype = (dspriteframetype_t *)( pinv2 + 1 );
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break;
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}
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if ( numframes > 1 ) {
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Sys_FPrintf( SYS_WRN, "WARNING: %s has multiple frames, only the first frame will be used.\n", name );
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}
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// palette = buffer+mipdatasize+2;
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// buf_p = buffer+lpMip->offsets[0];
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numPixels = columns * rows;
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if ( width ) {
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*width = columns;
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}
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if ( height ) {
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*height = rows;
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}
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bmpRGBA = reinterpret_cast < unsigned char *>( g_malloc( numPixels * 4 ) );
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*pic = bmpRGBA;
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#ifdef DEBUG
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spriteframetype_t frametype = spriteframetype_t( LittleLong( pframetype->type ) );
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if ( frametype == SPR_SINGLE ) {
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Sys_Printf( "Single Frame\n" );
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}
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else if ( frametype == SPR_GROUP ) {
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Sys_Printf( "Group of Frames\n" );
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}
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else
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{
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Sys_Printf( "Bleh!\n" ); // <-- we always get this, wtf!
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}
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#endif
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palette = (byte *)( pframetype + 1 );
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spriteframe = (dspriteframe_t *)( palette + ( 256 * 3 ) + 4 ); // what are those 4 extra bytes ? what's missing ?
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buf_p = (byte *)( spriteframe + 1 );
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int temp;
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temp = buf_p - buffer;
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for ( row = 0; row < rows; row++ )
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{
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pixbuf = bmpRGBA + row * columns * 4;
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for ( column = 0; column < columns; column++ )
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{
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int palIndex;
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palIndex = *buf_p++;
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red = *( palette + ( palIndex * 3 ) );
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green = *( palette + ( palIndex * 3 ) + 1 );
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blue = *( palette + ( palIndex * 3 ) + 2 );
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// HalfLife engine makes pixels that are BLUE transparent. (RGB = 0x0000FF)
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// So show them that way in the editor.
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if ( blue == 0xff && red == 0x00 && green == 0x00 ) {
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alphabyte = 0xff; //FIXME: backwards? (so sprite models to render correctly)
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blue = 0x00; // don't set the resulting pixel to blue
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}
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else
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{
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alphabyte = 0x00; //FIXME: backwards? (so sprite models to render correctly)
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}
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*pixbuf++ = red;
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*pixbuf++ = green;
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*pixbuf++ = blue;
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*pixbuf++ = alphabyte;
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}
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}
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vfsFreeFile( buffer );
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}
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#endif
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#ifdef USE_HLW
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/*
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============================================================================
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HLW IMAGE
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HalfLife WAD files contain files that look like this:
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Mip section
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First mip
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Mip header
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First mip (width * height)
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Second mip (width * height / 4)
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Third mip (width * height / 16)
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Fourth mip (width * height / 64)
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Palette size (WORD)
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Palette (Palette size * 3)
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Padding (WORD)
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============================================================================
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*/
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#define GET_MIP_DATA_SIZE( WIDTH, HEIGHT ) ( sizeof( WAD3_MIP ) + ( WIDTH * HEIGHT ) + ( WIDTH * HEIGHT / 4 ) + ( WIDTH * HEIGHT / 16 ) + ( WIDTH * HEIGHT / 64 ) )
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typedef struct
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{
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char name[16];
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DWORD width, height;
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DWORD offsets[4]; // four mip maps stored
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} WAD3_MIP, *LPWAD3_MIP;
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/*
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=========================================================
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HLW LOADING
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Hydra: this code isn't bullet proof and probably won't
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like corrupt WAD files, but it works for now.
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TODO: make it more robust.
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=========================================================
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*/
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/*
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=============
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LoadHLW
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=============
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*/
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static void LoadHLW( const char *name, byte ** pic, int *width, int *height ){
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byte *buffer;
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byte *buf_p;
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unsigned int length;
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unsigned long mipdatasize;
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int columns, rows, numPixels;
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byte *pixbuf;
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int row, column;
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byte *bmpRGBA;
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byte *palette;
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LPWAD3_MIP lpMip;
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unsigned char red, green, blue, alphabyte;
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*pic = NULL;
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//
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// load the file
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//
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length = vfsLoadFile( (char *) name, (void **) &buffer, 0 );
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if ( length == (unsigned int) -1 ) {
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return;
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}
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lpMip = (LPWAD3_MIP)buffer;
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mipdatasize = GET_MIP_DATA_SIZE( lpMip->width,lpMip->height );
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palette = buffer + mipdatasize + 2;
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buf_p = buffer + lpMip->offsets[0];
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columns = lpMip->width;
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rows = lpMip->height;
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numPixels = columns * rows;
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if ( width ) {
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*width = columns;
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}
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if ( height ) {
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*height = rows;
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}
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bmpRGBA = reinterpret_cast < unsigned char *>( g_malloc( numPixels * 4 ) );
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*pic = bmpRGBA;
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for ( row = 0; row < rows; row++ )
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{
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pixbuf = bmpRGBA + row * columns * 4;
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for ( column = 0; column < columns; column++ )
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{
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int palIndex;
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palIndex = *buf_p++;
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red = *( palette + ( palIndex * 3 ) );
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green = *( palette + ( palIndex * 3 ) + 1 );
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blue = *( palette + ( palIndex * 3 ) + 2 );
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// HalfLife engine makes pixels that are BLUE transparent.
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// So show them that way in the editor.
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if ( blue == 0xff && red == 0x00 && green == 0x00 ) {
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alphabyte = 0x00;
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blue = 0x00; // don't set the resulting pixel to blue
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}
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else
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{
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alphabyte = 0xff;
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}
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*pixbuf++ = red;
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*pixbuf++ = green;
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*pixbuf++ = blue;
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*pixbuf++ = alphabyte;
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}
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}
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vfsFreeFile( buffer );
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}
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#endif
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#ifdef USE_MIP
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/*
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============================================================================
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MIP IMAGE
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Quake WAD files contain miptex files that look like this:
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Mip section
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First mip
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Mip header
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First mip (width * height)
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Second mip (width * height / 4)
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Third mip (width * height / 16)
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Fourth mip (width * height / 64)
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============================================================================
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*/
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/*
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=========================================================
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MIP LOADING
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LordHavoc: this code is based on the HLW code above.
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=========================================================
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*/
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static const byte quakepalette[768] =
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{
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0x00,0x00,0x00, 0x0f,0x0f,0x0f, 0x1f,0x1f,0x1f, 0x2f,0x2f,0x2f,
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0x3f,0x3f,0x3f, 0x4b,0x4b,0x4b, 0x5b,0x5b,0x5b, 0x6b,0x6b,0x6b,
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0x7b,0x7b,0x7b, 0x8b,0x8b,0x8b, 0x9b,0x9b,0x9b, 0xab,0xab,0xab,
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0xbb,0xbb,0xbb, 0xcb,0xcb,0xcb, 0xdb,0xdb,0xdb, 0xeb,0xeb,0xeb,
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0x0f,0x0b,0x07, 0x17,0x0f,0x0b, 0x1f,0x17,0x0b, 0x27,0x1b,0x0f,
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0x2f,0x23,0x13, 0x37,0x2b,0x17, 0x3f,0x2f,0x17, 0x4b,0x37,0x1b,
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0x53,0x3b,0x1b, 0x5b,0x43,0x1f, 0x63,0x4b,0x1f, 0x6b,0x53,0x1f,
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0x73,0x57,0x1f, 0x7b,0x5f,0x23, 0x83,0x67,0x23, 0x8f,0x6f,0x23,
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0x0b,0x0b,0x0f, 0x13,0x13,0x1b, 0x1b,0x1b,0x27, 0x27,0x27,0x33,
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0x2f,0x2f,0x3f, 0x37,0x37,0x4b, 0x3f,0x3f,0x57, 0x47,0x47,0x67,
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0x4f,0x4f,0x73, 0x5b,0x5b,0x7f, 0x63,0x63,0x8b, 0x6b,0x6b,0x97,
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0x73,0x73,0xa3, 0x7b,0x7b,0xaf, 0x83,0x83,0xbb, 0x8b,0x8b,0xcb,
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0x00,0x00,0x00, 0x07,0x07,0x00, 0x0b,0x0b,0x00, 0x13,0x13,0x00,
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0x1b,0x1b,0x00, 0x23,0x23,0x00, 0x2b,0x2b,0x07, 0x2f,0x2f,0x07,
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0x37,0x37,0x07, 0x3f,0x3f,0x07, 0x47,0x47,0x07, 0x4b,0x4b,0x0b,
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0x53,0x53,0x0b, 0x5b,0x5b,0x0b, 0x63,0x63,0x0b, 0x6b,0x6b,0x0f,
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0x07,0x00,0x00, 0x0f,0x00,0x00, 0x17,0x00,0x00, 0x1f,0x00,0x00,
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0x27,0x00,0x00, 0x2f,0x00,0x00, 0x37,0x00,0x00, 0x3f,0x00,0x00,
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0x47,0x00,0x00, 0x4f,0x00,0x00, 0x57,0x00,0x00, 0x5f,0x00,0x00,
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0x67,0x00,0x00, 0x6f,0x00,0x00, 0x77,0x00,0x00, 0x7f,0x00,0x00,
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0x13,0x13,0x00, 0x1b,0x1b,0x00, 0x23,0x23,0x00, 0x2f,0x2b,0x00,
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0x37,0x2f,0x00, 0x43,0x37,0x00, 0x4b,0x3b,0x07, 0x57,0x43,0x07,
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0x5f,0x47,0x07, 0x6b,0x4b,0x0b, 0x77,0x53,0x0f, 0x83,0x57,0x13,
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0x8b,0x5b,0x13, 0x97,0x5f,0x1b, 0xa3,0x63,0x1f, 0xaf,0x67,0x23,
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0x23,0x13,0x07, 0x2f,0x17,0x0b, 0x3b,0x1f,0x0f, 0x4b,0x23,0x13,
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0x57,0x2b,0x17, 0x63,0x2f,0x1f, 0x73,0x37,0x23, 0x7f,0x3b,0x2b,
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0x8f,0x43,0x33, 0x9f,0x4f,0x33, 0xaf,0x63,0x2f, 0xbf,0x77,0x2f,
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0xcf,0x8f,0x2b, 0xdf,0xab,0x27, 0xef,0xcb,0x1f, 0xff,0xf3,0x1b,
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0x0b,0x07,0x00, 0x1b,0x13,0x00, 0x2b,0x23,0x0f, 0x37,0x2b,0x13,
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0x47,0x33,0x1b, 0x53,0x37,0x23, 0x63,0x3f,0x2b, 0x6f,0x47,0x33,
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0x7f,0x53,0x3f, 0x8b,0x5f,0x47, 0x9b,0x6b,0x53, 0xa7,0x7b,0x5f,
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0xb7,0x87,0x6b, 0xc3,0x93,0x7b, 0xd3,0xa3,0x8b, 0xe3,0xb3,0x97,
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0xab,0x8b,0xa3, 0x9f,0x7f,0x97, 0x93,0x73,0x87, 0x8b,0x67,0x7b,
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0x7f,0x5b,0x6f, 0x77,0x53,0x63, 0x6b,0x4b,0x57, 0x5f,0x3f,0x4b,
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0x57,0x37,0x43, 0x4b,0x2f,0x37, 0x43,0x27,0x2f, 0x37,0x1f,0x23,
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0x2b,0x17,0x1b, 0x23,0x13,0x13, 0x17,0x0b,0x0b, 0x0f,0x07,0x07,
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0xbb,0x73,0x9f, 0xaf,0x6b,0x8f, 0xa3,0x5f,0x83, 0x97,0x57,0x77,
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|
0x8b,0x4f,0x6b, 0x7f,0x4b,0x5f, 0x73,0x43,0x53, 0x6b,0x3b,0x4b,
|
|
0x5f,0x33,0x3f, 0x53,0x2b,0x37, 0x47,0x23,0x2b, 0x3b,0x1f,0x23,
|
|
0x2f,0x17,0x1b, 0x23,0x13,0x13, 0x17,0x0b,0x0b, 0x0f,0x07,0x07,
|
|
0xdb,0xc3,0xbb, 0xcb,0xb3,0xa7, 0xbf,0xa3,0x9b, 0xaf,0x97,0x8b,
|
|
0xa3,0x87,0x7b, 0x97,0x7b,0x6f, 0x87,0x6f,0x5f, 0x7b,0x63,0x53,
|
|
0x6b,0x57,0x47, 0x5f,0x4b,0x3b, 0x53,0x3f,0x33, 0x43,0x33,0x27,
|
|
0x37,0x2b,0x1f, 0x27,0x1f,0x17, 0x1b,0x13,0x0f, 0x0f,0x0b,0x07,
|
|
0x6f,0x83,0x7b, 0x67,0x7b,0x6f, 0x5f,0x73,0x67, 0x57,0x6b,0x5f,
|
|
0x4f,0x63,0x57, 0x47,0x5b,0x4f, 0x3f,0x53,0x47, 0x37,0x4b,0x3f,
|
|
0x2f,0x43,0x37, 0x2b,0x3b,0x2f, 0x23,0x33,0x27, 0x1f,0x2b,0x1f,
|
|
0x17,0x23,0x17, 0x0f,0x1b,0x13, 0x0b,0x13,0x0b, 0x07,0x0b,0x07,
|
|
0xff,0xf3,0x1b, 0xef,0xdf,0x17, 0xdb,0xcb,0x13, 0xcb,0xb7,0x0f,
|
|
0xbb,0xa7,0x0f, 0xab,0x97,0x0b, 0x9b,0x83,0x07, 0x8b,0x73,0x07,
|
|
0x7b,0x63,0x07, 0x6b,0x53,0x00, 0x5b,0x47,0x00, 0x4b,0x37,0x00,
|
|
0x3b,0x2b,0x00, 0x2b,0x1f,0x00, 0x1b,0x0f,0x00, 0x0b,0x07,0x00,
|
|
0x00,0x00,0xff, 0x0b,0x0b,0xef, 0x13,0x13,0xdf, 0x1b,0x1b,0xcf,
|
|
0x23,0x23,0xbf, 0x2b,0x2b,0xaf, 0x2f,0x2f,0x9f, 0x2f,0x2f,0x8f,
|
|
0x2f,0x2f,0x7f, 0x2f,0x2f,0x6f, 0x2f,0x2f,0x5f, 0x2b,0x2b,0x4f,
|
|
0x23,0x23,0x3f, 0x1b,0x1b,0x2f, 0x13,0x13,0x1f, 0x0b,0x0b,0x0f,
|
|
0x2b,0x00,0x00, 0x3b,0x00,0x00, 0x4b,0x07,0x00, 0x5f,0x07,0x00,
|
|
0x6f,0x0f,0x00, 0x7f,0x17,0x07, 0x93,0x1f,0x07, 0xa3,0x27,0x0b,
|
|
0xb7,0x33,0x0f, 0xc3,0x4b,0x1b, 0xcf,0x63,0x2b, 0xdb,0x7f,0x3b,
|
|
0xe3,0x97,0x4f, 0xe7,0xab,0x5f, 0xef,0xbf,0x77, 0xf7,0xd3,0x8b,
|
|
0xa7,0x7b,0x3b, 0xb7,0x9b,0x37, 0xc7,0xc3,0x37, 0xe7,0xe3,0x57,
|
|
0x7f,0xbf,0xff, 0xab,0xe7,0xff, 0xd7,0xff,0xff, 0x67,0x00,0x00,
|
|
0x8b,0x00,0x00, 0xb3,0x00,0x00, 0xd7,0x00,0x00, 0xff,0x00,0x00,
|
|
0xff,0xf3,0x93, 0xff,0xf7,0xc7, 0xff,0xff,0xff, 0x9f,0x5b,0x53
|
|
};
|
|
|
|
/*
|
|
=============
|
|
LoadMIP
|
|
=============
|
|
*/
|
|
|
|
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 );
|
|
}
|
|
}
|
|
#endif
|
|
|
|
/*
|
|
=================
|
|
LoadImage
|
|
|
|
Loads any of the supported image types into a cannonical
|
|
32 bit format.
|
|
=================
|
|
*/
|
|
void LoadImage( const char *name, byte ** pic, int *width, int *height ){
|
|
int len;
|
|
*pic = NULL;
|
|
*width = 0;
|
|
*height = 0;
|
|
|
|
len = strlen( name );
|
|
if ( len < 5 ) {
|
|
return;
|
|
}
|
|
|
|
#ifdef USE_HLW
|
|
if ( *pic == NULL && !g_ascii_strcasecmp( name + len - 4, ".hlw" ) ) {
|
|
LoadHLW( name, pic, width, height );
|
|
}
|
|
#endif
|
|
|
|
#ifdef USE_MIP
|
|
if ( *pic == NULL && !g_ascii_strcasecmp( name + len - 4, ".mip" ) ) {
|
|
LoadMIP( name, pic, width, height );
|
|
}
|
|
#endif
|
|
|
|
#ifdef USE_IDSP
|
|
if ( *pic == NULL && !g_ascii_strcasecmp( name + len - 4, ".spr" ) ) {
|
|
LoadIDSP( name, pic, width, height );
|
|
}
|
|
#endif
|
|
}
|