2 Copyright (C) 2001-2006, William Joseph.
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
24 #include "ifilesystem.h"
27 #include "stream/stringstream.h"
28 #include "bytestreamutils.h"
34 typedef unsigned char byte;
44 void LoadPCXPalette(const char *filename, byte palette[768])
47 int length = vfsLoadFile (filename, (void **)&buffer);
51 const pcx_header_t* pcx = reinterpret_cast<const pcx_header_t*>(buffer);
53 if (pcx->manufacturer != 0x0a
56 || pcx->bits_per_pixel != 8)
59 memcpy(palette, buffer + length - 768, 768);
64 const int WAL_NAME_LENGTH = 32;
65 const int WAL_MIPMAP_COUNT = 4;
68 char name[WAL_NAME_LENGTH];
69 unsigned width, height;
70 unsigned offsets[WAL_MIPMAP_COUNT]; // four mip maps stored
71 char animname[WAL_NAME_LENGTH]; // next frame in animation chain
77 const int M8_NAME_LENGTH = 32;
78 const int M8_MIPMAP_COUNT = 16;
82 char name[M8_NAME_LENGTH];
83 unsigned width[M8_MIPMAP_COUNT], height[M8_MIPMAP_COUNT]; // width and height of each mipmap
84 unsigned offsets[M8_MIPMAP_COUNT]; // 16 mip maps stored
85 char animname[M8_NAME_LENGTH]; // next frame in animation chain
86 byte palette[768]; // palette stored in m8
92 Image* LoadMipTex(byte* buffer, byte TypeofTex)
94 int w, h, offset, flags, contents, value;
98 PointerInputStream inputStream(buffer);
100 if ( TypeofTex == HERETIC2_M8 )
102 inputStream.seek(4 + M8_NAME_LENGTH); // version, name
103 w = istream_read_int32_le(inputStream);
104 inputStream.seek(4 * (M8_MIPMAP_COUNT - 1)); // remaining widths
105 h = istream_read_int32_le(inputStream);
106 inputStream.seek(4 * (M8_MIPMAP_COUNT - 1)); // remaining heights
107 offset = istream_read_int32_le(inputStream);
108 inputStream.seek(4 * (M8_MIPMAP_COUNT - 1)); // remaining offsets
109 inputStream.seek(M8_NAME_LENGTH); // animname
110 inputStream.read(palette, 768);
111 flags = istream_read_int32_le(inputStream);
112 contents = istream_read_int32_le(inputStream);
113 value = istream_read_int32_le(inputStream);
114 source = buffer + offset;
118 LoadPCXPalette("pics/colormap.pcx", palette);
120 inputStream.seek(WAL_NAME_LENGTH); // name
121 w = istream_read_int32_le(inputStream);
122 h = istream_read_int32_le(inputStream);
123 offset = istream_read_int32_le(inputStream);
124 inputStream.seek(4 * (WAL_MIPMAP_COUNT - 1)); // remaining offsets
125 inputStream.seek(WAL_NAME_LENGTH); // animname
126 flags = istream_read_int32_le(inputStream);
127 contents = istream_read_int32_le(inputStream);
128 value = istream_read_int32_le(inputStream);
129 source = buffer + offset;
132 RGBAImageFlags* image = new RGBAImageFlags(w, h, flags, contents, value);
134 byte* dest = image->getRGBAPixels();
135 byte* end = source + (w * h);
136 for(; source != end; ++source, dest += 4)
138 *(dest + 0) = palette[*source * 3 + 0];
139 *(dest + 1) = palette[*source * 3 + 1];
140 *(dest + 2) = palette[*source * 3 + 2];
147 Image* LoadWal(ArchiveFile& file)
149 ScopedArchiveBuffer buffer(file);
150 return LoadMipTex( buffer.buffer, QUAKE2_WAL );
153 Image* LoadM8(ArchiveFile& file)
155 ScopedArchiveBuffer buffer(file);
156 return LoadMipTex( buffer.buffer, HERETIC2_M8 );