bspfile.h

   1 /*
   2 Copyright (C) 1996-1997 Id Software, Inc.
   3
   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.
   8
   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.
  12
  13 See the GNU General Public License for more details.
  14
  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.
  18
  19 */
  20
  21
  22 #define MAX_MAP_HULLS           16              // was 4
  23 #define MAX_MAP_LEAFS           65536   // was 8192
  24
  25 // key / value pair sizes
  26
  27 #define MAX_KEY         32
  28 #define MAX_VALUE       1024
  29
  30 //=============================================================================
  31
  32
  33 #define BSPVERSION      29
  34 #define MCBSPVERSION 2
  35
  36 typedef struct
  37 {
  38         int             fileofs, filelen;
  39 } lump_t;
  40
  41 #define LUMP_ENTITIES   0
  42 #define LUMP_PLANES             1
  43 #define LUMP_TEXTURES   2
  44 #define LUMP_VERTEXES   3
  45 #define LUMP_VISIBILITY 4
  46 #define LUMP_NODES              5
  47 #define LUMP_TEXINFO    6
  48 #define LUMP_FACES              7
  49 #define LUMP_LIGHTING   8
  50 #define LUMP_CLIPNODES  9
  51 #define LUMP_LEAFS              10
  52 #define LUMP_MARKSURFACES 11
  53 #define LUMP_EDGES              12
  54 #define LUMP_SURFEDGES  13
  55 #define LUMP_MODELS             14
  56 #define HEADER_LUMPS    15
  57
  58 typedef struct
  59 {
  60         int                     numhulls;
  61         int                     filehulls;
  62         float           hullsizes[MAX_MAP_HULLS][2][3];
  63 } dhullinfo_t;
  64
  65 typedef struct
  66 {
  67         float           mins[3], maxs[3];
  68         float           origin[3];
  69         int                     headnode[MAX_MAP_HULLS];
  70         int                     visleafs;               // not including the solid leaf 0
  71         int                     firstface, numfaces;
  72 } dmodel_t;
  73
  74 typedef struct
  75 {
  76         int                     version;
  77         lump_t          lumps[HEADER_LUMPS];
  78 } dheader_t;
  79
  80 typedef struct
  81 {
  82         int                     nummiptex;
  83         int                     dataofs[4];             // [nummiptex]
  84 } dmiptexlump_t;
  85
  86 #define MIPLEVELS       4
  87 typedef struct miptex_s
  88 {
  89         char            name[16];
  90         unsigned        width, height;
  91         unsigned        offsets[MIPLEVELS];             // four mip maps stored
  92 } miptex_t;
  93
  94
  95 typedef struct
  96 {
  97         float   point[3];
  98 } dvertex_t;
  99
 100
 101 // 0-2 are axial planes
 102 #define PLANE_X                 0
 103 #define PLANE_Y                 1
 104 #define PLANE_Z                 2
 105
 106 // 3-5 are non-axial planes snapped to the nearest
 107 #define PLANE_ANYX              3
 108 #define PLANE_ANYY              4
 109 #define PLANE_ANYZ              5
 110
 111 typedef struct
 112 {
 113         float   normal[3];
 114         float   dist;
 115         int             type;           // PLANE_X - PLANE_ANYZ ?remove? trivial to regenerate
 116 } dplane_t;
 117
 118
 119 // contents values in Q1 maps
 120 #define CONTENTS_EMPTY                  -1
 121 #define CONTENTS_SOLID                  -2
 122 #define CONTENTS_WATER                  -3
 123 #define CONTENTS_SLIME                  -4
 124 #define CONTENTS_LAVA                           -5
 125 #define CONTENTS_SKY                            -6
 126 // these were #ifdef QUAKE2 in the quake source
 127 #define CONTENTS_ORIGIN                 -7 // removed at csg time
 128 #define CONTENTS_CLIP                           -8 // changed to contents_solid
 129 #define CONTENTS_CURRENT_0              -9
 130 #define CONTENTS_CURRENT_90             -10
 131 #define CONTENTS_CURRENT_180            -11
 132 #define CONTENTS_CURRENT_270            -12
 133 #define CONTENTS_CURRENT_UP             -13
 134 #define CONTENTS_CURRENT_DOWN           -14
 135
 136 //contents flags in Q2 maps
 137 #define CONTENTSQ2_SOLID                        0x00000001 // an eye is never valid in a solid
 138 #define CONTENTSQ2_WINDOW                       0x00000002 // translucent, but not watery
 139 #define CONTENTSQ2_AUX                          0x00000004
 140 #define CONTENTSQ2_LAVA                         0x00000008
 141 #define CONTENTSQ2_SLIME                        0x00000010
 142 #define CONTENTSQ2_WATER                        0x00000020
 143 #define CONTENTSQ2_MIST                         0x00000040
 144 #define CONTENTSQ2_AREAPORTAL           0x00008000
 145 #define CONTENTSQ2_PLAYERCLIP           0x00010000
 146 #define CONTENTSQ2_MONSTERCLIP          0x00020000
 147 #define CONTENTSQ2_CURRENT_0            0x00040000
 148 #define CONTENTSQ2_CURRENT_90           0x00080000
 149 #define CONTENTSQ2_CURRENT_180          0x00100000
 150 #define CONTENTSQ2_CURRENT_270          0x00200000
 151 #define CONTENTSQ2_CURRENT_UP           0x00400000
 152 #define CONTENTSQ2_CURRENT_DOWN         0x00800000
 153 #define CONTENTSQ2_ORIGIN                       0x01000000 // removed before bsping an entity
 154 #define CONTENTSQ2_MONSTER                      0x02000000 // should never be on a brush, only in game
 155 #define CONTENTSQ2_DEADMONSTER          0x04000000
 156 #define CONTENTSQ2_DETAIL                       0x08000000 // brushes to be added after vis leafs
 157 #define CONTENTSQ2_TRANSLUCENT          0x10000000 // auto set if any surface has trans
 158 #define CONTENTSQ2_LADDER                       0x20000000
 159
 160 //contents flags in Q3 maps
 161 #define CONTENTSQ3_SOLID                        0x00000001 // solid (opaque and transparent)
 162 #define CONTENTSQ3_LAVA                         0x00000008 // lava
 163 #define CONTENTSQ3_SLIME                        0x00000010 // slime
 164 #define CONTENTSQ3_WATER                        0x00000020 // water
 165 #define CONTENTSQ3_FOG                          0x00000040 // unused?
 166 #define CONTENTSQ3_AREAPORTAL           0x00008000 // areaportal (separates areas)
 167 #define CONTENTSQ3_PLAYERCLIP           0x00010000 // block players
 168 #define CONTENTSQ3_MONSTERCLIP          0x00020000 // block monsters
 169 #define CONTENTSQ3_TELEPORTER           0x00040000 // hint for Q3's bots
 170 #define CONTENTSQ3_JUMPPAD                      0x00080000 // hint for Q3's bots
 171 #define CONTENTSQ3_CLUSTERPORTAL        0x00100000 // hint for Q3's bots
 172 #define CONTENTSQ3_DONOTENTER           0x00200000 // hint for Q3's bots
 173 #define CONTENTSQ3_ORIGIN                       0x01000000 // used by origin brushes to indicate origin of bmodel (removed by map compiler)
 174 #define CONTENTSQ3_BODY                         0x02000000 // used by bbox entities (should never be on a brush)
 175 #define CONTENTSQ3_CORPSE                       0x04000000 // used by dead bodies (SOLID_CORPSE in darkplaces)
 176 #define CONTENTSQ3_DETAIL                       0x08000000 // brushes that do not split the bsp tree (decorations)
 177 #define CONTENTSQ3_STRUCTURAL           0x10000000 // brushes that split the bsp tree
 178 #define CONTENTSQ3_TRANSLUCENT          0x20000000 // leaves surfaces that are inside for rendering
 179 #define CONTENTSQ3_TRIGGER                      0x40000000 // used by trigger entities
 180 #define CONTENTSQ3_NODROP                       0x80000000 // remove items that fall into this brush
 181
 182 #define SUPERCONTENTS_SOLID                     0x00000001
 183 #define SUPERCONTENTS_WATER                     0x00000002
 184 #define SUPERCONTENTS_SLIME                     0x00000004
 185 #define SUPERCONTENTS_LAVA                      0x00000008
 186 #define SUPERCONTENTS_SKY                       0x00000010
 187 #define SUPERCONTENTS_BODY                      0x00000020
 188 #define SUPERCONTENTS_CORPSE            0x00000040
 189 #define SUPERCONTENTS_NODROP            0x00000080
 190 #define SUPERCONTENTS_PLAYERCLIP        0x00000100
 191 #define SUPERCONTENTS_MONSTERCLIP       0x00000200
 192 #define SUPERCONTENTS_DONOTENTER        0x00000400
 193 #define SUPERCONTENTS_LIQUIDSMASK       (SUPERCONTENTS_LAVA | SUPERCONTENTS_SLIME | SUPERCONTENTS_WATER)
 194
 195 /*
 196 #define SUPERCONTENTS_DEADMONSTER       0x00000000
 197 #define SUPERCONTENTS_CURRENT_0         0x00000000
 198 #define SUPERCONTENTS_CURRENT_90        0x00000000
 199 #define SUPERCONTENTS_CURRENT_180       0x00000000
 200 #define SUPERCONTENTS_CURRENT_270       0x00000000
 201 #define SUPERCONTENTS_CURRENT_DOWN      0x00000000
 202 #define SUPERCONTENTS_CURRENT_UP        0x00000000
 203 #define SUPERCONTENTS_AREAPORTAL        0x00000000
 204 #define SUPERCONTENTS_AUX                       0x00000000
 205 #define SUPERCONTENTS_CLUSTERPORTAL     0x00000000
 206 #define SUPERCONTENTS_DETAIL            0x00000000
 207 #define SUPERCONTENTS_STRUCTURAL        0x00000000
 208 #define SUPERCONTENTS_DONOTENTER        0x00000000
 209 #define SUPERCONTENTS_JUMPPAD           0x00000000
 210 #define SUPERCONTENTS_LADDER            0x00000000
 211 #define SUPERCONTENTS_MONSTER           0x00000000
 212 #define SUPERCONTENTS_MONSTERCLIP       0x00000000
 213 #define SUPERCONTENTS_PLAYERCLIP        0x00000000
 214 #define SUPERCONTENTS_TELEPORTER        0x00000000
 215 #define SUPERCONTENTS_TRANSLUCENT       0x00000000
 216 #define SUPERCONTENTS_TRIGGER           0x00000000
 217 #define SUPERCONTENTS_WINDOW            0x00000000
 218 */
 219
 220
 221 typedef struct
 222 {
 223         int                     planenum;
 224         short           children[2];    // negative numbers are -(leafs+1), not nodes
 225         short           mins[3];                // for sphere culling
 226         short           maxs[3];
 227         unsigned short  firstface;
 228         unsigned short  numfaces;       // counting both sides
 229 } dnode_t;
 230
 231 typedef struct
 232 {
 233         int                     planenum;
 234         short           children[2];    // negative numbers are contents
 235 } dclipnode_t;
 236
 237
 238 typedef struct
 239 {
 240         float           vecs[2][4];             // [s/t][xyz offset]
 241         int                     miptex;
 242         int                     flags;
 243 } texinfo_t;
 244 #define TEX_SPECIAL             1               // sky or slime, no lightmap or 256 subdivision
 245
 246 // note that edge 0 is never used, because negative edge nums are used for
 247 // counterclockwise use of the edge in a face
 248 typedef struct
 249 {
 250         unsigned short  v[2];           // vertex numbers
 251 } dedge_t;
 252
 253 #define MAXLIGHTMAPS    4
 254 typedef struct
 255 {
 256         // LordHavoc: changed from short to unsigned short for q2 support
 257         unsigned short  planenum;
 258         short           side;
 259
 260         int                     firstedge;              // we must support > 64k edges
 261         short           numedges;
 262         short           texinfo;
 263
 264 // lighting info
 265         qbyte           styles[MAXLIGHTMAPS];
 266         int                     lightofs;               // start of [numstyles*surfsize] samples
 267 } dface_t;
 268
 269
 270
 271 #define AMBIENT_WATER   0
 272 #define AMBIENT_SKY             1
 273 #define AMBIENT_SLIME   2
 274 #define AMBIENT_LAVA    3
 275
 276 #define NUM_AMBIENTS                    4               // automatic ambient sounds
 277
 278 // leaf 0 is the generic CONTENTS_SOLID leaf, used for all solid areas
 279 // all other leafs need visibility info
 280 typedef struct
 281 {
 282         int                     contents;
 283         int                     visofs;                         // -1 = no visibility info
 284
 285         short           mins[3];                        // for frustum culling
 286         short           maxs[3];
 287
 288         unsigned short          firstmarksurface;
 289         unsigned short          nummarksurfaces;
 290
 291         qbyte           ambient_level[NUM_AMBIENTS];
 292 } dleaf_t;
 293