contrib/bobtoolz/bsploader.cpp

   1 #include "StdAfx.h"\r
   2 #include "./dialogs/dialogs-gtk.h"\r
   3 #include "bsploader.h"\r
   4 #include "../../libs/cmdlib.h"\r
   5 \r
   6 int                     numnodes;\r
   7 int                     numplanes;\r
   8 int                     numleafs;\r
   9 int                     numleafsurfaces;\r
  10 int                     numVisBytes;\r
  11 int                     numDrawVerts;\r
  12 int                     numDrawSurfaces;\r
  13 int                     numbrushes;\r
  14 int                     numbrushsides;\r
  15 int                     numleafbrushes;\r
  16 \r
  17 byte                        *visBytes =                   NULL;\r
  18 dnode_t                   *dnodes =                         NULL;\r
  19 dplane_t                  *dplanes =                      NULL;\r
  20 dleaf_t                   *dleafs =                         NULL;\r
  21 qdrawVert_t       *drawVerts =            NULL;\r
  22 dsurface_t        *drawSurfaces =               NULL;\r
  23 int                                 *dleafsurfaces =    NULL;\r
  24 dbrush_t                  *dbrushes =                     NULL;\r
  25 dbrushside_t    *dbrushsides =          NULL;\r
  26 int                                 *dleafbrushes =             NULL;\r
  27 \r
  28 #define BSP_IDENT       (('P'<<24)+('S'<<16)+('B'<<8)+'I')\r
  29 #define Q3_BSP_VERSION                  46\r
  30 #define WOLF_BSP_VERSION                        47\r
  31 \r
  32 /*\r
  33 ================\r
  34 FileLength\r
  35 ================\r
  36 */\r
  37 int FileLength (FILE *f)\r
  38 {\r
  39         int             pos;\r
  40         int             end;\r
  41 \r
  42         pos = ftell (f);\r
  43         fseek (f, 0, SEEK_END);\r
  44         end = ftell (f);\r
  45         fseek (f, pos, SEEK_SET);\r
  46 \r
  47         return end;\r
  48 }\r
  49 \r
  50 /*\r
  51 ==============\r
  52 LoadFile\r
  53 ==============\r
  54 */\r
  55 qboolean    LoadFile( const char *filename, byte **bufferptr)\r
  56 {\r
  57         FILE    *f;\r
  58         int             length;\r
  59         byte    *buffer;\r
  60 \r
  61         f = fopen(filename, "rb");\r
  62         if(!f)\r
  63                 return false;\r
  64 \r
  65         length = FileLength (f);\r
  66         buffer = new byte[length+1];\r
  67         buffer[length] = 0;\r
  68         fread(buffer, 1, length, f);\r
  69         fclose (f);\r
  70 \r
  71         *bufferptr = buffer;\r
  72         return true;\r
  73 }\r
  74 \r
  75 /*int    LittleLong (int l)\r
  76 {\r
  77         return l;\r
  78 }\r
  79 \r
  80 float   LittleFloat (float l)\r
  81 {\r
  82         return l;\r
  83 }*/\r
  84 \r
  85 /*\r
  86 =============\r
  87 SwapBlock\r
  88 \r
  89 If all values are 32 bits, this can be used to swap everything\r
  90 =============\r
  91 */\r
  92 void SwapBlock( int *block, int sizeOfBlock ) {\r
  93         int             i;\r
  94 \r
  95         sizeOfBlock >>= 2;\r
  96         for ( i = 0 ; i < sizeOfBlock ; i++ ) {\r
  97                 block[i] = LittleLong( block[i] );\r
  98         }\r
  99 }\r
 100 \r
 101 /*\r
 102 =============\r
 103 SwapBSPFile\r
 104 \r
 105 Byte swaps all data in a bsp file.\r
 106 =============\r
 107 */\r
 108 void SwapBSPFile( void ) {\r
 109         int                             i;\r
 110         \r
 111         // models       \r
 112 //      SwapBlock( (int *)dmodels, nummodels * sizeof( dmodels[0] ) );\r
 113 \r
 114         // shaders (don't swap the name)\r
 115 //      for ( i = 0 ; i < numShaders ; i++ ) {\r
 116 //              dshaders[i].contentFlags = LittleLong( dshaders[i].contentFlags );\r
 117 //              dshaders[i].surfaceFlags = LittleLong( dshaders[i].surfaceFlags );\r
 118 //      }\r
 119 \r
 120         // planes\r
 121         SwapBlock( (int *)dplanes, numplanes * sizeof( dplanes[0] ) );\r
 122         \r
 123         // nodes\r
 124         SwapBlock( (int *)dnodes, numnodes * sizeof( dnodes[0] ) );\r
 125 \r
 126         // leafs\r
 127         SwapBlock( (int *)dleafs, numleafs * sizeof( dleafs[0] ) );\r
 128 \r
 129         // leaffaces\r
 130         SwapBlock( (int *)dleafsurfaces, numleafsurfaces * sizeof( dleafsurfaces[0] ) );\r
 131 \r
 132         // leafbrushes\r
 133         SwapBlock( (int *)dleafbrushes, numleafbrushes * sizeof( dleafbrushes[0] ) );\r
 134 \r
 135         // brushes\r
 136         SwapBlock( (int *)dbrushes, numbrushes * sizeof( dbrushes[0] ) );\r
 137 \r
 138         // brushsides\r
 139         SwapBlock( (int *)dbrushsides, numbrushsides * sizeof( dbrushsides[0] ) );\r
 140 \r
 141         // vis\r
 142         ((int *)&visBytes)[0] = LittleLong( ((int *)&visBytes)[0] );\r
 143         ((int *)&visBytes)[1] = LittleLong( ((int *)&visBytes)[1] );\r
 144 \r
 145         // drawverts (don't swap colors )\r
 146         for ( i = 0 ; i < numDrawVerts ; i++ ) {\r
 147                 drawVerts[i].lightmap[0] = LittleFloat( drawVerts[i].lightmap[0] );\r
 148                 drawVerts[i].lightmap[1] = LittleFloat( drawVerts[i].lightmap[1] );\r
 149                 drawVerts[i].st[0] = LittleFloat( drawVerts[i].st[0] );\r
 150                 drawVerts[i].st[1] = LittleFloat( drawVerts[i].st[1] );\r
 151                 drawVerts[i].xyz[0] = LittleFloat( drawVerts[i].xyz[0] );\r
 152                 drawVerts[i].xyz[1] = LittleFloat( drawVerts[i].xyz[1] );\r
 153                 drawVerts[i].xyz[2] = LittleFloat( drawVerts[i].xyz[2] );\r
 154                 drawVerts[i].normal[0] = LittleFloat( drawVerts[i].normal[0] );\r
 155                 drawVerts[i].normal[1] = LittleFloat( drawVerts[i].normal[1] );\r
 156                 drawVerts[i].normal[2] = LittleFloat( drawVerts[i].normal[2] );\r
 157         }\r
 158 \r
 159         // drawindexes\r
 160 //      SwapBlock( (int *)drawIndexes, numDrawIndexes * sizeof( drawIndexes[0] ) );\r
 161 \r
 162         // drawsurfs\r
 163         SwapBlock( (int *)drawSurfaces, numDrawSurfaces * sizeof( drawSurfaces[0] ) );\r
 164 \r
 165         // fogs\r
 166 //      for ( i = 0 ; i < numFogs ; i++ ) {\r
 167 //              dfogs[i].brushNum = LittleLong( dfogs[i].brushNum );\r
 168 //              dfogs[i].visibleSide = LittleLong( dfogs[i].visibleSide );\r
 169 //      }\r
 170 }\r
 171 \r
 172 /*\r
 173 =============\r
 174 CopyLump\r
 175 =============\r
 176 */\r
 177 int CopyLump( dheader_t *header, int lump, void **dest, int size ) {\r
 178         int             length, ofs;\r
 179 \r
 180         length = header->lumps[lump].filelen;\r
 181         ofs = header->lumps[lump].fileofs;\r
 182         \r
 183         if(length == 0)\r
 184                 return 0;\r
 185         \r
 186         *dest = new byte[length];\r
 187         memcpy( *dest, (byte *)header + ofs, length );\r
 188 \r
 189         return length / size;\r
 190 }\r
 191 \r
 192 /*\r
 193 =============\r
 194 LoadBSPFile\r
 195 =============\r
 196 */\r
 197 qboolean        LoadBSPFile( const char *filename ) {\r
 198         dheader_t       *header;\r
 199 \r
 200         // load the file header\r
 201         if(!LoadFile (filename, (byte **)&header))\r
 202                 return false;\r
 203 \r
 204         // swap the header\r
 205         SwapBlock( (int *)header, sizeof(*header) );\r
 206 \r
 207         if ( header->ident != BSP_IDENT ) {\r
 208                 DoMessageBox( "Cant find a valid IBSP file", "Error", MB_OK);\r
 209                 return false;\r
 210         }\r
 211         if ( (header->version != Q3_BSP_VERSION) &&\r
 212                                                                                                                                                         (header->version != WOLF_BSP_VERSION) ) {\r
 213                 DoMessageBox( "File is incorrect version", "Error", MB_OK);\r
 214                 return false;\r
 215         }\r
 216 \r
 217         numbrushsides =         CopyLump( header, LUMP_BRUSHES,                 (void**)&dbrushsides,   sizeof(dbrushside_t) );\r
 218         numbrushes =            CopyLump( header, LUMP_BRUSHES,                 (void**)&dbrushes,              sizeof(dbrush_t) );\r
 219         numplanes =                     CopyLump( header, LUMP_PLANES,                  (void**)&dplanes,               sizeof(dplane_t) );\r
 220         numleafs =                      CopyLump( header, LUMP_LEAFS,                   (void**)&dleafs,                sizeof(dleaf_t) );\r
 221         numnodes =                      CopyLump( header, LUMP_NODES,                   (void**)&dnodes,                sizeof(dnode_t) );\r
 222         numDrawVerts =          CopyLump( header, LUMP_DRAWVERTS,               (void**)&drawVerts,             sizeof(qdrawVert_t) );\r
 223         numDrawSurfaces =       CopyLump( header, LUMP_SURFACES,                (void**)&drawSurfaces,  sizeof(dsurface_t) );\r
 224         numleafsurfaces =       CopyLump( header, LUMP_LEAFSURFACES,    (void**)&dleafsurfaces, sizeof(int) );\r
 225         numVisBytes =           CopyLump( header, LUMP_VISIBILITY,              (void**)&visBytes,              1 );\r
 226         numleafbrushes =        CopyLump( header, LUMP_LEAFBRUSHES,             (void**)&dleafbrushes,  sizeof(int) );\r
 227 \r
 228         delete header;          // everything has been copied out\r
 229                 \r
 230         // swap everything\r
 231         SwapBSPFile();\r
 232 \r
 233         return true;\r
 234 }\r
 235 \r
 236 void FreeBSPData()\r
 237 {\r
 238         if(visBytes)\r
 239                 delete visBytes;\r
 240         if(dnodes)\r
 241                 delete dnodes;\r
 242         if(dplanes)\r
 243                 delete dplanes;\r
 244         if(dleafs)\r
 245                 delete dleafs;\r
 246         if(drawVerts)\r
 247                 delete drawVerts;\r
 248         if(drawSurfaces)\r
 249                 delete drawSurfaces;\r
 250         if(dleafsurfaces)\r
 251                 delete dleafsurfaces;\r
 252         if(dleafbrushes)\r
 253                 delete dleafbrushes;\r
 254         if(dbrushes)\r
 255                 delete dbrushes;\r
 256         if(dbrushsides)\r
 257                 delete dbrushsides;\r
 258 }\r