1 /*
2 Copyright (C) 1999-2006 Id Software, Inc. and contributors.
3 For a list of contributors, see the accompanying CONTRIBUTORS file.
4 
5 This file is part of GtkRadiant.
6 
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.
11 
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.
16 
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
20 */
21 
22 #if !defined(INCLUDED_MDLFORMAT_H)
23 #define INCLUDED_MDLFORMAT_H
24 
25 typedef unsigned char byte;
26 
27 const unsigned char MDL_IDENT[4] = { 'I', 'D', 'P', 'O', };
28 
29 #define MDL_VERSION	6
30 
31 #define MDL_ONSEAM				0x0020
32 
33 typedef enum { MDL_FRAME_SINGLE=0, MDL_FRAME_GROUP } aliasframetype_t;
34 
35 typedef enum { MDL_SKIN_SINGLE=0, MDL_SKIN_GROUP } aliasskintype_t;
36 
37 typedef float float3[3];
38 
39 typedef struct {
40 	byte ident[4];
41 	int			version;
42 	float3		scale;
43 	float3		scale_origin;
44 	float		boundingradius;
45 	float3		eyeposition;
46 	int			numskins;
47 	int			skinwidth;
48 	int			skinheight;
49 	int			numverts;
50 	int			numtris;
51 	int			numframes;
52 	int	synctype;
53 	int			flags;
54 	float		size;
55 } mdlHeader_t;
56 
57 // TODO: could be shorts
58 
59 typedef struct {
60 	int		onseam;
61 	int		s;
62 	int		t;
63 } mdlSt_t;
64 
65 typedef struct dtriangle_s {
66 	int					facesfront;
67 	int					vertindex[3];
68 } mdlTriangle_t;
69 
70 #define MDL_FACES_FRONT				1
71 
72 // This mirrors trivert_t in trilib.h, is present so Quake knows how to
73 // load this data
74 
75 typedef struct {
76 	byte	v[3];
77 	byte	lightnormalindex;
78 } mdlXyzNormal_t;
79 
80 const int MDL_XYZNORMAL_SIZE = 4;
81 
82 typedef struct {
83 	mdlXyzNormal_t	bboxmin;	// lightnormal isn't used
84 	mdlXyzNormal_t	bboxmax;	// lightnormal isn't used
85 	char		name[16];	// frame name from grabbing
86 } mdlFrame_t;
87 
88 const int MDL_FRAME_SIZE = (MDL_XYZNORMAL_SIZE * 2) + 16;
89 
90 typedef struct {
91 	int			numframes;
92 	mdlXyzNormal_t	bboxmin;	// lightnormal isn't used
93 	mdlXyzNormal_t	bboxmax;	// lightnormal isn't used
94 } mdlFrameGroup_t;
95 
96 const int MDL_FRAMEGROUP_SIZE = 4 + (MDL_XYZNORMAL_SIZE * 2);
97 
98 typedef struct {
99 	int			numskins;
100 } mdlSkinGroup_t;
101 
102 typedef struct {
103 	float	interval;
104 } mdlFrameInterval_t;
105 
106 typedef struct {
107 	float	interval;
108 } mdlSkinInterval_t;
109 
110 typedef struct {
111 	aliasframetype_t	type;
112 } mdlFrameType_t;
113 
114 typedef struct {
115 	aliasskintype_t	type;
116 } mdlSkinType_t;
117 
118 #endif
119