libs/picomodel/pm_fm.h

   1 /* -----------------------------------------------------------------------------
   2
   3    PicoModel Library
   4
   5    Copyright (c) 2002, Randy Reddig & seaw0lf
   6    All rights reserved.
   7
   8    Redistribution and use in source and binary forms, with or without modification,
   9    are permitted provided that the following conditions are met:
  10
  11    Redistributions of source code must retain the above copyright notice, this list
  12    of conditions and the following disclaimer.
  13
  14    Redistributions in binary form must reproduce the above copyright notice, this
  15    list of conditions and the following disclaimer in the documentation and/or
  16    other materials provided with the distribution.
  17
  18    Neither the names of the copyright holders nor the names of its contributors may
  19    be used to endorse or promote products derived from this software without
  20    specific prior written permission.
  21
  22    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
  23    ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  24    WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  25    DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
  26    ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  27    (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  28    LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
  29    ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  30    (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  31    SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  32
  33    ----------------------------------------------------------------------------- */
  34
  35 // This header file is based from the following:
  36
  37 /*
  38     FlexModel.H - Header file for FlexModel file structure
  39
  40     By Chris Burke
  41     serotonin@earthlink.net
  42  */
  43
  44 #ifndef __PM_FM_H__
  45 #define __PM_FM_H__
  46
  47 #include "picointernal.h"
  48
  49
  50 //
  51 //      Absolute limits (from QData / QMView source)
  52 //
  53 #define MAX_FM_TRIANGLES    2048
  54 #define MAX_FM_VERTS        2048
  55 #define MAX_FM_FRAMES       2048
  56 #define MAX_FM_SKINS        64
  57 #define MAX_FM_SKINNAME     64
  58 #define MAX_FM_MESH_NODES   16
  59
  60 #define DTRIVERTX_V0   0
  61 #define DTRIVERTX_V1   1
  62 #define DTRIVERTX_V2   2
  63 #define DTRIVERTX_LNI  3
  64 #define DTRIVERTX_SIZE 4
  65
  66 #define SKINPAGE_WIDTH 640
  67 #define SKINPAGE_HEIGHT 480
  68
  69 #define ENCODED_WIDTH_X 92
  70 #define ENCODED_WIDTH_Y 475
  71 #define ENCODED_HEIGHT_X 128
  72 #define ENCODED_HEIGHT_Y 475
  73
  74 #define SCALE_ADJUST_FACTOR 0.96
  75
  76 #define INFO_HEIGHT 5
  77 #define INFO_Y ( SKINPAGE_HEIGHT - INFO_HEIGHT )
  78
  79
  80 //
  81 //      Generic header on every chunk
  82 //
  83 #define FM_MAXCHUNKIDENT    32L
  84 typedef struct
  85 {
  86         char ident[FM_MAXCHUNKIDENT];
  87         unsigned int version;
  88         unsigned int size;
  89 } fm_chunk_header_t;
  90
  91 //
  92 //      The format of the "header" chunk
  93 //
  94 #define FM_HEADERCHUNKNAME  "header"
  95 #define FM_HEADERCHUNKVER   2
  96 #define FM_HEADERCHUNKSIZE  40
  97 typedef struct
  98 {
  99         int skinWidth;              // in pixels
 100         int skinHeight;             // in pixels
 101         int frameSize;              // size of each frame (in bytes)
 102         int numSkins;               // number of skins
 103         int numXYZ;                 // number of unique vertices in 3D space
 104         int numST;                  // number of unique vertices in texture space
 105         int numTris;                // number of unique triangles
 106         int numGLCmds;              // # 32-bit elements in strip/fan command list
 107         int numFrames;              // number of animation frames
 108         int numMeshNodes;               // number of mesh nodes
 109 } fm_header_t;
 110
 111 //
 112 //      The format of an entry in the "skin" chunk.
 113 //      The number of entries is given in the fmheader chunk
 114 //
 115 #define FM_SKINCHUNKNAME    "skin"
 116 #define FM_SKINCHUNKVER     1
 117 #define FM_MAXPATHLENGTH    64L
 118 #define FM_SKINPATHSIZE ( FM_MAXPATHLENGTH )
 119 typedef struct
 120 {
 121         char path[FM_SKINPATHSIZE];                 //  path, relative to 'base'
 122 } fm_skinpath_t;
 123
 124 //
 125 //      The format of the "st coord" chunk. This is a list
 126 //      of unique skin texture (u, v) coordinates to be mapped
 127 //      to verteces of the model
 128 //
 129 #define FM_STCOORDCHUNKNAME "st coord"
 130 #define FM_STCOORDCHUNKVER  1
 131 #define FM_STCOORDUVSIZE    ( 2L + 2L )
 132
 133 typedef struct
 134 {
 135         short s;
 136         short t;
 137 } fm_st_t;
 138
 139 //
 140 //      The format of the "tris" chunk. This is a list of vertex indeces
 141 //      in 3D space, and the corresponding vertex indeces in texture space.
 142 //
 143 #define FM_TRISCHUNKNAME    "tris"
 144 #define FM_TRISCHUNKVER     1
 145 #define FM_TRISINFOSIZE     ( 2L * 3 + 2L * 3 )
 146
 147 typedef struct
 148 {
 149         short index_xyz[3];
 150         short index_st[3];
 151 } fm_xyz_st_t;
 152
 153
 154 //
 155 //      The format of the "frames" chunk. This is a list of animation
 156 //      frames, each specifying the coordinates and "light normal" index
 157 //      of every vertex of the model in 3D space.
 158 //
 159 #define FM_FRAMESCHUNKNAME  "frames"
 160 #define FM_FRAMESCHUNKVER   1
 161
 162 #define FM_NUMVERTEXNORMALS 162
 163
 164 // Frame info
 165 typedef struct
 166 {
 167         byte v[3];                          //  scaled by header info
 168         byte lightnormalindex;              //  index in canned table of closest vertex normal
 169 } fm_vert_normal_t;
 170
 171 typedef struct
 172 {
 173         float scale[3];                     //  multiply byte verts by this
 174         float translate[3];                 //  then add this
 175         char name[16];                      //  frame name
 176 } fm_framehdr_t;
 177
 178 typedef struct
 179 {
 180         fm_framehdr_t header;                   //      One header per frame
 181         fm_vert_normal_t verts[1];              //      variable number of these
 182 } fm_frame_t;
 183
 184 typedef struct
 185 {
 186         fm_chunk_header_t   *fm_header_hdr;
 187         fm_header_t     *fm_header;
 188         fm_chunk_header_t   *fm_skin_hdr;
 189         fm_skinpath_t       *fm_skin;
 190         fm_chunk_header_t   *fm_st_hdr;
 191         fm_st_t         *fm_st;
 192         fm_chunk_header_t   *fm_tri_hdr;
 193         fm_xyz_st_t     *fm_tri;
 194         fm_chunk_header_t   *fm_frame_hdr;
 195         fm_frame_t      *fm_frame;
 196 } fm_t;
 197
 198 float fm_normals[FM_NUMVERTEXNORMALS][3] = {
 199         {-0.525731f, 0.000000f, 0.850651f},
 200         {-0.442863f, 0.238856f, 0.864188f},
 201         {-0.295242f, 0.000000f, 0.955423f},
 202         {-0.309017f, 0.500000f, 0.809017f},
 203         {-0.162460f, 0.262866f, 0.951056f},
 204         {0.000000f, 0.000000f, 1.000000f},
 205         {0.000000f, 0.850651f, 0.525731f},
 206         {-0.147621f, 0.716567f, 0.681718f},
 207         {0.147621f, 0.716567f, 0.681718f},
 208         {0.000000f, 0.525731f, 0.850651f},
 209         {0.309017f, 0.500000f, 0.809017f},
 210         {0.525731f, 0.000000f, 0.850651f},
 211         {0.295242f, 0.000000f, 0.955423f},
 212         {0.442863f, 0.238856f, 0.864188f},
 213         {0.162460f, 0.262866f, 0.951056f},
 214         {-0.681718f, 0.147621f, 0.716567f},
 215         {-0.809017f, 0.309017f, 0.500000f},
 216         {-0.587785f, 0.425325f, 0.688191f},
 217         {-0.850651f, 0.525731f, 0.000000f},
 218         {-0.864188f, 0.442863f, 0.238856f},
 219         {-0.716567f, 0.681718f, 0.147621f},
 220         {-0.688191f, 0.587785f, 0.425325f},
 221         {-0.500000f, 0.809017f, 0.309017f},
 222         {-0.238856f, 0.864188f, 0.442863f},
 223         {-0.425325f, 0.688191f, 0.587785f},
 224         {-0.716567f, 0.681718f, -0.147621f},
 225         {-0.500000f, 0.809017f, -0.309017f},
 226         {-0.525731f, 0.850651f, 0.000000f},
 227         {0.000000f, 0.850651f, -0.525731f},
 228         {-0.238856f, 0.864188f, -0.442863f},
 229         {0.000000f, 0.955423f, -0.295242f},
 230         {-0.262866f, 0.951056f, -0.162460f},
 231         {0.000000f, 1.000000f, 0.000000f},
 232         {0.000000f, 0.955423f, 0.295242f},
 233         {-0.262866f, 0.951056f, 0.162460f},
 234         {0.238856f, 0.864188f, 0.442863f},
 235         {0.262866f, 0.951056f, 0.162460f},
 236         {0.500000f, 0.809017f, 0.309017f},
 237         {0.238856f, 0.864188f, -0.442863f},
 238         {0.262866f, 0.951056f, -0.162460f},
 239         {0.500000f, 0.809017f, -0.309017f},
 240         {0.850651f, 0.525731f, 0.000000f},
 241         {0.716567f, 0.681718f, 0.147621f},
 242         {0.716567f, 0.681718f, -0.147621f},
 243         {0.525731f, 0.850651f, 0.000000f},
 244         {0.425325f, 0.688191f, 0.587785f},
 245         {0.864188f, 0.442863f, 0.238856f},
 246         {0.688191f, 0.587785f, 0.425325f},
 247         {0.809017f, 0.309017f, 0.500000f},
 248         {0.681718f, 0.147621f, 0.716567f},
 249         {0.587785f, 0.425325f, 0.688191f},
 250         {0.955423f, 0.295242f, 0.000000f},
 251         {1.000000f, 0.000000f, 0.000000f},
 252         {0.951056f, 0.162460f, 0.262866f},
 253         {0.850651f, -0.525731f, 0.000000f},
 254         {0.955423f, -0.295242f, 0.000000f},
 255         {0.864188f, -0.442863f, 0.238856f},
 256         {0.951056f, -0.162460f, 0.262866f},
 257         {0.809017f, -0.309017f, 0.500000f},
 258         {0.681718f, -0.147621f, 0.716567f},
 259         {0.850651f, 0.000000f, 0.525731f},
 260         {0.864188f, 0.442863f, -0.238856f},
 261         {0.809017f, 0.309017f, -0.500000f},
 262         {0.951056f, 0.162460f, -0.262866f},
 263         {0.525731f, 0.000000f, -0.850651f},
 264         {0.681718f, 0.147621f, -0.716567f},
 265         {0.681718f, -0.147621f, -0.716567f},
 266         {0.850651f, 0.000000f, -0.525731f},
 267         {0.809017f, -0.309017f, -0.500000f},
 268         {0.864188f, -0.442863f, -0.238856f},
 269         {0.951056f, -0.162460f, -0.262866f},
 270         {0.147621f, 0.716567f, -0.681718f},
 271         {0.309017f, 0.500000f, -0.809017f},
 272         {0.425325f, 0.688191f, -0.587785f},
 273         {0.442863f, 0.238856f, -0.864188f},
 274         {0.587785f, 0.425325f, -0.688191f},
 275         {0.688191f, 0.587785f, -0.425325f},
 276         {-0.147621f, 0.716567f, -0.681718f},
 277         {-0.309017f, 0.500000f, -0.809017f},
 278         {0.000000f, 0.525731f, -0.850651f},
 279         {-0.525731f, 0.000000f, -0.850651f},
 280         {-0.442863f, 0.238856f, -0.864188f},
 281         {-0.295242f, 0.000000f, -0.955423f},
 282         {-0.162460f, 0.262866f, -0.951056f},
 283         {0.000000f, 0.000000f, -1.000000f},
 284         {0.295242f, 0.000000f, -0.955423f},
 285         {0.162460f, 0.262866f, -0.951056f},
 286         {-0.442863f, -0.238856f, -0.864188f},
 287         {-0.309017f, -0.500000f, -0.809017f},
 288         {-0.162460f, -0.262866f, -0.951056f},
 289         {0.000000f, -0.850651f, -0.525731f},
 290         {-0.147621f, -0.716567f, -0.681718f},
 291         {0.147621f, -0.716567f, -0.681718f},
 292         {0.000000f, -0.525731f, -0.850651f},
 293         {0.309017f, -0.500000f, -0.809017f},
 294         {0.442863f, -0.238856f, -0.864188f},
 295         {0.162460f, -0.262866f, -0.951056f},
 296         {0.238856f, -0.864188f, -0.442863f},
 297         {0.500000f, -0.809017f, -0.309017f},
 298         {0.425325f, -0.688191f, -0.587785f},
 299         {0.716567f, -0.681718f, -0.147621f},
 300         {0.688191f, -0.587785f, -0.425325f},
 301         {0.587785f, -0.425325f, -0.688191f},
 302         {0.000000f, -0.955423f, -0.295242f},
 303         {0.000000f, -1.000000f, 0.000000f},
 304         {0.262866f, -0.951056f, -0.162460f},
 305         {0.000000f, -0.850651f, 0.525731f},
 306         {0.000000f, -0.955423f, 0.295242f},
 307         {0.238856f, -0.864188f, 0.442863f},
 308         {0.262866f, -0.951056f, 0.162460f},
 309         {0.500000f, -0.809017f, 0.309017f},
 310         {0.716567f, -0.681718f, 0.147621f},
 311         {0.525731f, -0.850651f, 0.000000f},
 312         {-0.238856f, -0.864188f, -0.442863f},
 313         {-0.500000f, -0.809017f, -0.309017f},
 314         {-0.262866f, -0.951056f, -0.162460f},
 315         {-0.850651f, -0.525731f, 0.000000f},
 316         {-0.716567f, -0.681718f, -0.147621f},
 317         {-0.716567f, -0.681718f, 0.147621f},
 318         {-0.525731f, -0.850651f, 0.000000f},
 319         {-0.500000f, -0.809017f, 0.309017f},
 320         {-0.238856f, -0.864188f, 0.442863f},
 321         {-0.262866f, -0.951056f, 0.162460f},
 322         {-0.864188f, -0.442863f, 0.238856f},
 323         {-0.809017f, -0.309017f, 0.500000f},
 324         {-0.688191f, -0.587785f, 0.425325f},
 325         {-0.681718f, -0.147621f, 0.716567f},
 326         {-0.442863f, -0.238856f, 0.864188f},
 327         {-0.587785f, -0.425325f, 0.688191f},
 328         {-0.309017f, -0.500000f, 0.809017f},
 329         {-0.147621f, -0.716567f, 0.681718f},
 330         {-0.425325f, -0.688191f, 0.587785f},
 331         {-0.162460f, -0.262866f, 0.951056f},
 332         {0.442863f, -0.238856f, 0.864188f},
 333         {0.162460f, -0.262866f, 0.951056f},
 334         {0.309017f, -0.500000f, 0.809017f},
 335         {0.147621f, -0.716567f, 0.681718f},
 336         {0.000000f, -0.525731f, 0.850651f},
 337         {0.425325f, -0.688191f, 0.587785f},
 338         {0.587785f, -0.425325f, 0.688191f},
 339         {0.688191f, -0.587785f, 0.425325f},
 340         {-0.955423f, 0.295242f, 0.000000f},
 341         {-0.951056f, 0.162460f, 0.262866f},
 342         {-1.000000f, 0.000000f, 0.000000f},
 343         {-0.850651f, 0.000000f, 0.525731f},
 344         {-0.955423f, -0.295242f, 0.000000f},
 345         {-0.951056f, -0.162460f, 0.262866f},
 346         {-0.864188f, 0.442863f, -0.238856f},
 347         {-0.951056f, 0.162460f, -0.262866f},
 348         {-0.809017f, 0.309017f, -0.500000f},
 349         {-0.864188f, -0.442863f, -0.238856f},
 350         {-0.951056f, -0.162460f, -0.262866f},
 351         {-0.809017f, -0.309017f, -0.500000f},
 352         {-0.681718f, 0.147621f, -0.716567f},
 353         {-0.681718f, -0.147621f, -0.716567f},
 354         {-0.850651f, 0.000000f, -0.525731f},
 355         {-0.688191f, 0.587785f, -0.425325f},
 356         {-0.587785f, 0.425325f, -0.688191f},
 357         {-0.425325f, 0.688191f, -0.587785f},
 358         {-0.425325f, -0.688191f, -0.587785f},
 359         {-0.587785f, -0.425325f, -0.688191f},
 360         {-0.688191f, -0.587785f, -0.425325f},
 361 };
 362
 363 #endif