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"
26 #include "bytestreamutils.h"
29 typedef unsigned char byte;
31 const int M32_NAME_LENGTH = 128;
32 const int M32_MIPMAP_COUNT = 16;
34 typedef struct m32_header_t {
36 char name[M32_NAME_LENGTH];
37 char altname[M32_NAME_LENGTH]; // texture substitution
38 char animname[M32_NAME_LENGTH]; // next frame in animation chain
39 char damagename[M32_NAME_LENGTH]; // image that should be shown when damaged
40 unsigned width[M32_MIPMAP_COUNT], height[M32_MIPMAP_COUNT];
41 unsigned offsets[M32_MIPMAP_COUNT];
45 float scale_x, scale_y;
48 // detail texturing info
49 char dt_name[M32_NAME_LENGTH]; // detailed texture name
50 float dt_scale_x, dt_scale_y;
53 int dt_src_blend_mode, dt_dst_blend_mode;
55 int unused[20]; // future expansion to maintain compatibility with h2
59 Image *LoadM32Buff(byte *buffer)
61 PointerInputStream inputStream(buffer);
63 inputStream.seek(4 // version
64 + M32_NAME_LENGTH // name
65 + M32_NAME_LENGTH // altname
66 + M32_NAME_LENGTH // animname
67 + M32_NAME_LENGTH); // damagename
68 int w = istream_read_uint32_le(inputStream);
69 inputStream.seek(4 * (M32_MIPMAP_COUNT - 1)); // remaining widths
70 int h = istream_read_uint32_le(inputStream);
71 inputStream.seek(4 * (M32_MIPMAP_COUNT - 1)); // remaining heights
72 int offset = istream_read_uint32_le(inputStream);
73 inputStream.seek(4 * (M32_MIPMAP_COUNT - 1)); // remaining offsets
74 int flags = istream_read_uint32_le(inputStream);
75 int contents = istream_read_uint32_le(inputStream);
76 int value = istream_read_uint32_le(inputStream);
78 RGBAImageFlags *image = new RGBAImageFlags(w, h, flags, contents, value);
80 const byte *source = buffer + offset;
81 std::copy(source, source + (w * h * 4), image->getRGBAPixels());
86 Image *LoadM32(ArchiveFile &file)
88 ScopedArchiveBuffer buffer(file);
89 return LoadM32Buff(buffer.buffer);