2 Copyright (C) 1999-2006 Id Software, Inc. and contributors.
3 For a list of contributors, see the accompanying CONTRIBUTORS file.
5 This file is part of GtkRadiant.
7 GtkRadiant is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2 of the License, or
10 (at your option) any later version.
12 GtkRadiant is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with GtkRadiant; if not, write to the Free Software
19 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
22 // by Hydra - hydra@hydras-world.com
30 typedef unsigned char byte;
32 #include "ifilesystem.h"
37 ============================================================================
39 IDSP IMAGE (.spr files)
41 Some code copied straight from the Q1 source, also used the HalfLife SDK as
44 ============================================================================
47 typedef enum {ST_SYNC=0, ST_RAND } synctype_t;
48 typedef enum { SPR_SINGLE=0, SPR_GROUP } spriteframetype_t;
50 typedef struct dspriteheader_s {
94 #define IDSPRITEHEADER (('P'<<24)+('S'<<16)+('D'<<8)+'I')
95 // little-endian "IDSP"
103 Image* LoadIDSPBuff(byte *buffer)
106 int columns, rows, numPixels;
111 unsigned char red, green, blue, alphabyte;
113 dspriteheader_t *header;
116 dspriteframetype_t *pframetype;
119 dspriteframe_t *spriteframe;
121 header = (dspriteheader_t *)buffer;
123 if (header->ident != IDSPRITEHEADER)
125 globalErrorStream() << "WARNING: IDSP file has wrong header\n";
129 version = header->version;
130 if (version != 1 && version != 2 )
132 globalErrorStream() << "WARNING: IDSP file has wrong version number "
133 "(" << version << " should be 1 or 2)\n";
137 // initialise variables depending on the sprite version.
141 pinv1 = (dspritev1_t *)(header+1);
142 numframes = pinv1->numframes;
143 columns = pinv1->width;
144 rows = pinv1->height;
145 pframetype = (dspriteframetype_t *)(pinv1 + 1);
148 pinv2 = (dspritev2_t *)(header+1);
149 numframes = pinv2->numframes;
150 columns = pinv2->width;
151 rows = pinv2->height;
152 pframetype = (dspriteframetype_t *)(pinv2 + 1);
155 globalErrorStream() << "WARNING: IDSP file has unsupported version\n";
159 globalErrorStream() << "WARNING: IDSP file has multiple frames, only the first frame will be used.\n";
161 // palette = buffer+mipdatasize+2;
162 // buf_p = buffer+lpMip->offsets[0];
164 numPixels = columns * rows;
166 RGBAImage* image = new RGBAImage(columns, rows);
169 frametype = spriteframetype_t(pframetype->type);
170 if (frametype == SPR_SINGLE)
172 globalOutputStream() << "Single Frame\n";
174 else if (frametype == SPR_GROUP)
176 globalOutputStream() << "Group of Frames\n";
180 globalOutputStream() << "Bleh!\n"; // <-- we always get this, wtf!
184 palette = (byte *)(pframetype+1);
185 spriteframe = (dspriteframe_t *)(palette + (256*3) + 4); // what are those 4 extra bytes ? what's missing ?
186 buf_p = (byte *)(spriteframe + 1);
188 for (row = 0; row < rows; row++)
190 pixbuf = image->getRGBAPixels() + row * columns * 4;
192 for (column = 0; column < columns; column++)
198 red = *(palette+(palIndex*3));
199 green = *(palette+(palIndex*3)+1);
200 blue = *(palette+(palIndex*3)+2);
202 // HalfLife engine makes pixels that are BLUE transparent. (RGB = 0x0000FF)
203 // So show them that way in the editor.
204 if (blue == 0xff && red == 0x00 && green == 0x00)
206 alphabyte = 0xff; //FIXME: backwards? (so sprite models to render correctly)
207 blue = 0x00; // don't set the resulting pixel to blue
211 alphabyte = 0x00; //FIXME: backwards? (so sprite models to render correctly)
218 *pixbuf++ = alphabyte;
225 Image* LoadIDSP(ArchiveFile& file)
227 ScopedArchiveBuffer buffer(file);
228 return LoadIDSPBuff( buffer.buffer );