2 Copyright (C) 1996-1997 Id Software, Inc.
4 This program is free software; you can redistribute it and/or
5 modify it under the terms of the GNU General Public License
6 as published by the Free Software Foundation; either version 2
7 of the License, or (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
13 See the GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
25 ==============================================================================
29 Alias models are position independent, so the cache manager can move them.
30 ==============================================================================
54 ========================================================================
56 .MD2 triangle model file format
58 ========================================================================
61 // LordHavoc: grabbed this from the Q2 utility source,
62 // renamed a things to avoid conflicts
64 #define MD2ALIAS_VERSION 8
65 #define MD2_SKINNAME 64
81 float scale[3]; // multiply byte verts by this
82 float translate[3]; // then add this
83 char name[16]; // frame name from grabbing
87 // a positive integer starts a tristrip command, followed by that many
89 // a negative integer starts a trifan command, followed by -x vertexes
90 // a zero indicates the end of the command list.
91 // a vertex consists of a floating point s, a floating point t,
92 // and an integer vertex index.
102 int framesize; // byte size of each frame
106 int num_st; // greater than num_xyz for seams
108 int num_glcmds; // dwords in strip/fan command list
111 int ofs_skins; // each skin is a MAX_SKINNAME string
112 int ofs_st; // byte offset from start for stverts
113 int ofs_tris; // offset for dtriangles
114 int ofs_frames; // offset for first frame
116 int ofs_end; // end of file
119 // LordHavoc: mdl, md2 and md3 models are converted to the same internal format
120 #define ALIASTYPE_ALIAS 1
121 #define ALIASTYPE_ZYM 2
123 extern void Mod_IDP0_Load(struct model_s *mod, void *buffer);
124 extern void Mod_IDP2_Load(struct model_s *mod, void *buffer);
125 extern void Mod_IDP3_Load(struct model_s *mod, void *buffer);
127 extern void Mod_AliasInit(void);
129 #include "model_zymotic.h"
131 // all md3 ints, floats, and shorts, are little endian, and thus need to be
132 // passed through LittleLong/LittleFloat/LittleShort to avoid breaking on
133 // bigendian machines (Macs for example)
134 #define MD3VERSION 15
136 #define MD3FRAMENAME 16
138 // the origin is at 1/64th scale
139 // the pitch and yaw are encoded as 8 bits each
140 typedef struct md3vertex_s
142 short origin[3], normalpitchyaw;
147 typedef struct md3frameinfo_s
153 char name[MD3FRAMENAME];
157 // one per tag per frame
158 typedef struct md3tag_s
162 float rotationmatrix[9];
166 // one per shader per mesh
167 typedef struct md3shader_s
170 // engine field (yes this empty int does exist in the file)
175 // one per mesh per model
177 // note that the lump_ offsets in this struct are relative to the beginning
178 // of the mesh struct
180 // to find the next mesh in the file, you must go to lump_end, which puts you
181 // at the beginning of the next mesh
182 typedef struct md3mesh_s
184 char identifier[4]; // "IDP3"
194 int lump_framevertices;
199 // this struct is at the beginning of the md3 file
201 // note that the lump_ offsets in this struct are relative to the beginning
202 // of the header struct (which is the beginning of the file)
203 typedef struct md3modelheader_s
205 char identifier[4]; // "IDP3"
220 // this layer is fog (completely specialized behavior, automatic NODRAW_IF_NOTFOGGED behavior)
221 #define ALIASLAYER_FOG 1
222 // apply diffuse lighting
223 #define ALIASLAYER_DIFFUSE 8
224 // apply specular lighting
225 #define ALIASLAYER_SPECULAR 16
226 // tint with pants color
227 #define ALIASLAYER_COLORMAP_PANTS 32
228 // tint with shirt color
229 #define ALIASLAYER_COLORMAP_SHIRT 64
230 // don't draw this layer if colormap is not used
231 #define ALIASLAYER_NODRAW_IF_NOTCOLORMAPPED 128
232 // don't draw this layer if colormap is used
233 #define ALIASLAYER_NODRAW_IF_COLORMAPPED 256
234 // ignore NODRAW flags on this layer only if all previous layers were skipped
235 #define ALIASLAYER_FORCEDRAW_IF_FIRSTPASS 512
237 typedef struct aliaslayer_s
245 // indicates this skin is transparent
246 #define ALIASSKIN_TRANSPARENT 1
248 typedef struct aliasskin_s
252 aliaslayer_t *data_layers;
256 typedef struct aliasmesh_s
262 aliasskin_t *data_skins;
264 int *data_neighbor3i;
265 float *data_texcoord2f;
266 float *data_aliasvertex3f;
267 float *data_aliassvector3f;
268 float *data_aliastvector3f;
269 float *data_aliasnormal3f;
273 typedef struct aliastag_s