tools/quake3/q3map2/convert_map.c

   1 /* -------------------------------------------------------------------------------
   2
   3 Copyright (C) 1999-2007 id Software, Inc. and contributors.
   4 For a list of contributors, see the accompanying CONTRIBUTORS file.
   5
   6 This file is part of GtkRadiant.
   7
   8 GtkRadiant is free software; you can redistribute it and/or modify
   9 it under the terms of the GNU General Public License as published by
  10 the Free Software Foundation; either version 2 of the License, or
  11 (at your option) any later version.
  12
  13 GtkRadiant is distributed in the hope that it will be useful,
  14 but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 GNU General Public License for more details.
  17
  18 You should have received a copy of the GNU General Public License
  19 along with GtkRadiant; if not, write to the Free Software
  20 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  21
  22 ----------------------------------------------------------------------------------
  23
  24 This code has been altered significantly from its original form, to support
  25 several games based on the Quake III Arena engine, in the form of "Q3Map2."
  26
  27 ------------------------------------------------------------------------------- */
  28
  29
  30
  31 /* marker */
  32 #define CONVERT_MAP_C
  33
  34
  35
  36 /* dependencies */
  37 #include "q3map2.h"
  38
  39
  40
  41 /*
  42 ConvertBrush()
  43 exports a map brush
  44 */
  45
  46 #define SNAP_FLOAT_TO_INT       4
  47 #define SNAP_INT_TO_FLOAT       (1.0 / SNAP_FLOAT_TO_INT)
  48
  49 typedef vec_t vec2_t[2];
  50
  51 static vec_t Det3x3(vec_t a00, vec_t a01, vec_t a02,
  52                     vec_t a10, vec_t a11, vec_t a12,
  53                     vec_t a20, vec_t a21, vec_t a22)
  54 {
  55         return
  56                 a00 * (a11 * a22 - a12 * a21)
  57         -       a01 * (a10 * a22 - a12 * a20)
  58         +       a02 * (a10 * a21 - a11 * a20);
  59 }
  60
  61 void GetBestSurfaceTriangleMatchForBrushside(side_t *buildSide, bspDrawVert_t *bestVert[3])
  62 {
  63         bspDrawSurface_t *s;
  64         int i;
  65         int t;
  66         vec_t best = 0;
  67         vec_t thisarea;
  68         vec3_t normdiff;
  69         vec3_t v1v0, v2v0, norm;
  70         bspDrawVert_t *vert[3];
  71         winding_t *polygon;
  72         plane_t *buildPlane = &mapplanes[buildSide->planenum];
  73         int matches = 0;
  74
  75         // first, start out with NULLs
  76         bestVert[0] = bestVert[1] = bestVert[2] = NULL;
  77
  78         // brute force through all surfaces
  79         for(s = bspDrawSurfaces; s != bspDrawSurfaces + numBSPDrawSurfaces; ++s)
  80         {
  81                 if(s->surfaceType != MST_PLANAR && s->surfaceType != MST_TRIANGLE_SOUP)
  82                         continue;
  83                 if(strcmp(buildSide->shaderInfo->shader, bspShaders[s->shaderNum].shader))
  84                         continue;
  85                 for(t = 0; t + 3 <= s->numIndexes; t += 3)
  86                 {
  87                         vert[0] = &bspDrawVerts[s->firstVert + bspDrawIndexes[s->firstIndex + t + 0]];
  88                         vert[1] = &bspDrawVerts[s->firstVert + bspDrawIndexes[s->firstIndex + t + 1]];
  89                         vert[2] = &bspDrawVerts[s->firstVert + bspDrawIndexes[s->firstIndex + t + 2]];
  90                         if(s->surfaceType == MST_PLANAR)
  91                         {
  92                                 VectorSubtract(vert[0]->normal, buildPlane->normal, normdiff); if(VectorLength(normdiff) >= normalEpsilon) continue;
  93                                 VectorSubtract(vert[1]->normal, buildPlane->normal, normdiff); if(VectorLength(normdiff) >= normalEpsilon) continue;
  94                                 VectorSubtract(vert[2]->normal, buildPlane->normal, normdiff); if(VectorLength(normdiff) >= normalEpsilon) continue;
  95                         }
  96                         else
  97                         {
  98                                 // this is more prone to roundoff errors, but with embedded
  99                                 // models, there is no better way
 100                                 VectorSubtract(vert[1]->xyz, vert[0]->xyz, v1v0);
 101                                 VectorSubtract(vert[2]->xyz, vert[0]->xyz, v2v0);
 102                                 CrossProduct(v2v0, v1v0, norm);
 103                                 VectorNormalize(norm, norm);
 104                                 VectorSubtract(norm, buildPlane->normal, normdiff); if(VectorLength(normdiff) >= normalEpsilon) continue;
 105                         }
 106                         if(abs(DotProduct(vert[0]->xyz, buildPlane->normal) - buildPlane->dist) >= distanceEpsilon) continue;
 107                         if(abs(DotProduct(vert[1]->xyz, buildPlane->normal) - buildPlane->dist) >= distanceEpsilon) continue;
 108                         if(abs(DotProduct(vert[2]->xyz, buildPlane->normal) - buildPlane->dist) >= distanceEpsilon) continue;
 109                         // Okay. Correct surface type, correct shader, correct plane. Let's start with the business...
 110                         polygon = CopyWinding(buildSide->winding);
 111                         for(i = 0; i < 3; ++i)
 112                         {
 113                                 // 0: 1, 2
 114                                 // 1: 2, 0
 115                                 // 2; 0, 1
 116                                 vec3_t *v1 = &vert[(i+1)%3]->xyz;
 117                                 vec3_t *v2 = &vert[(i+2)%3]->xyz;
 118                                 vec3_t triNormal;
 119                                 vec_t triDist;
 120                                 vec3_t sideDirection;
 121                                 // we now need to generate triNormal and triDist so that they represent the plane spanned by normal and (v2 - v1).
 122                                 VectorSubtract(*v2, *v1, sideDirection);
 123                                 CrossProduct(sideDirection, buildPlane->normal, triNormal);
 124                                 triDist = DotProduct(*v1, triNormal);
 125                                 ChopWindingInPlace(&polygon, triNormal, triDist, distanceEpsilon);
 126                                 if(!polygon)
 127                                         goto exwinding;
 128                         }
 129                         thisarea = WindingArea(polygon);
 130                         if(thisarea > 0)
 131                                 ++matches;
 132                         if(thisarea > best)
 133                         {
 134                                 best = thisarea;
 135                                 bestVert[0] = vert[0];
 136                                 bestVert[1] = vert[1];
 137                                 bestVert[2] = vert[2];
 138                         }
 139                         FreeWinding(polygon);
 140 exwinding:
 141                         ;
 142                 }
 143         }
 144         //if(strncmp(buildSide->shaderInfo->shader, "textures/common/", 16))
 145         //      fprintf(stderr, "brushside with %s: %d matches (%f area)\n", buildSide->shaderInfo->shader, matches, best);
 146 }
 147
 148 static void ConvertOriginBrush( FILE *f, int num, vec3_t origin, qboolean brushPrimitives )
 149 {
 150         char pattern[6][5][3] = {
 151                 { "+++", "+-+", "-++", " - ", "-  " },
 152                 { "+++", "-++", "++-", "+  ", "  +" },
 153                 { "+++", "++-", "+-+", " - ", "  +" },
 154                 { "---", "+--", "-+-", " - ", "+  " },
 155                 { "---", "--+", "+--", "-  ", "  +" },
 156                 { "---", "-+-", "--+", " + ", "  +" }
 157         };
 158         int i;
 159 #define S(a,b,c) (pattern[a][b][c] == '+' ? +1 : pattern[a][b][c] == '-' ? -1 : 0)
 160 #define FRAC(x) ((x) - floor(x))
 161
 162         /* start brush */
 163         fprintf( f, "\t// brush %d\n", num );
 164         fprintf( f, "\t{\n" );
 165         if(brushPrimitives)
 166         {
 167                 fprintf( f, "\tbrushDef\n" );
 168                 fprintf( f, "\t{\n" );
 169         }
 170         /* print brush side */
 171         /* ( 640 24 -224 ) ( 448 24 -224 ) ( 448 -232 -224 ) common/caulk 0 48 0 0.500000 0.500000 0 0 0 */
 172
 173         for(i = 0; i < 6; ++i)
 174         {
 175                 if(brushPrimitives)
 176                 {
 177                         fprintf( f, "\t\t( %.3f %.3f %.3f ) ( %.3f %.3f %.3f ) ( %.3f %.3f %.3f ) ( ( %.8f %.8f %.8f ) ( %.8f %.8f %.8f ) ) %s %d 0 0\n",
 178                                         origin[0] + 8 * S(i,0,0), origin[1] + 8 * S(i,0,1), origin[2] + 8 * S(i,0,2),
 179                                         origin[0] + 8 * S(i,1,0), origin[1] + 8 * S(i,1,1), origin[2] + 8 * S(i,1,2),
 180                                         origin[0] + 8 * S(i,2,0), origin[1] + 8 * S(i,2,1), origin[2] + 8 * S(i,2,2),
 181                                         1.0f/16.0f, 0.0f, FRAC((S(i,3,0) * origin[0] + S(i,3,1) * origin[1] + S(i,3,2) * origin[2]) / 16.0 + 0.5),
 182                                         0.0f, 1.0f/16.0f, FRAC((S(i,4,0) * origin[0] + S(i,4,1) * origin[1] + S(i,4,2) * origin[2]) / 16.0 + 0.5),
 183                                         "common/origin",
 184                                         0
 185                                    );
 186                 }
 187                 else
 188                 {
 189                         fprintf( f, "\t\t( %.3f %.3f %.3f ) ( %.3f %.3f %.3f ) ( %.3f %.3f %.3f ) %s %.8f %.8f %.8f %.8f %.8f %d 0 0\n",
 190                                         origin[0] + 8 * S(i,0,0), origin[1] + 8 * S(i,0,1), origin[2] + 8 * S(i,0,2),
 191                                         origin[0] + 8 * S(i,1,0), origin[1] + 8 * S(i,1,1), origin[2] + 8 * S(i,1,2),
 192                                         origin[0] + 8 * S(i,2,0), origin[1] + 8 * S(i,2,1), origin[2] + 8 * S(i,2,2),
 193                                         "common/origin",
 194                                         FRAC((S(i,3,0) * origin[0] + S(i,3,1) * origin[1] + S(i,3,2) * origin[2]) / 16.0 + 0.5),
 195                                         FRAC((S(i,4,0) * origin[0] + S(i,4,1) * origin[1] + S(i,4,2) * origin[2]) / 16.0 + 0.5),
 196                                         0.0f, 0.25f, 0.25f,
 197                                         0
 198                                    );
 199                 }
 200         }
 201 #undef FRAC
 202 #undef S
 203
 204         /* end brush */
 205         if(brushPrimitives)
 206                 fprintf( f, "\t}\n" );
 207         fprintf( f, "\t}\n\n" );
 208 }
 209
 210 static void ConvertBrush( FILE *f, int num, bspBrush_t *brush, vec3_t origin, qboolean brushPrimitives )
 211 {
 212         int                             i, j;
 213         bspBrushSide_t  *side;
 214         side_t                  *buildSide;
 215         bspShader_t             *shader;
 216         char                    *texture;
 217         bspPlane_t              *plane;
 218         plane_t         *buildPlane;
 219         vec3_t                  pts[ 3 ];
 220         bspDrawVert_t   *vert[3];
 221         int valid;
 222
 223
 224         /* start brush */
 225         fprintf( f, "\t// brush %d\n", num );
 226         fprintf( f, "\t{\n" );
 227         if(brushPrimitives)
 228         {
 229                 fprintf( f, "\tbrushDef\n" );
 230                 fprintf( f, "\t{\n" );
 231         }
 232
 233         /* clear out build brush */
 234         for( i = 0; i < buildBrush->numsides; i++ )
 235         {
 236                 buildSide = &buildBrush->sides[ i ];
 237                 if( buildSide->winding != NULL )
 238                 {
 239                         FreeWinding( buildSide->winding );
 240                         buildSide->winding = NULL;
 241                 }
 242         }
 243         buildBrush->numsides = 0;
 244
 245         /* iterate through bsp brush sides */
 246         for( i = 0; i < brush->numSides; i++ )
 247         {
 248                 /* get side */
 249                 side = &bspBrushSides[ brush->firstSide + i ];
 250
 251                 /* get shader */
 252                 if( side->shaderNum < 0 || side->shaderNum >= numBSPShaders )
 253                         continue;
 254                 shader = &bspShaders[ side->shaderNum ];
 255                 //if( !Q_stricmp( shader->shader, "default" ) || !Q_stricmp( shader->shader, "noshader" ) )
 256                 //      continue;
 257
 258                 /* get plane */
 259                 plane = &bspPlanes[ side->planeNum ];
 260
 261                 /* add build side */
 262                 buildSide = &buildBrush->sides[ buildBrush->numsides ];
 263                 buildBrush->numsides++;
 264
 265                 /* tag it */
 266                 buildSide->shaderInfo = ShaderInfoForShader( shader->shader );
 267                 buildSide->planenum = side->planeNum;
 268                 buildSide->winding = NULL;
 269         }
 270
 271         /* make brush windings */
 272         if( !CreateBrushWindings( buildBrush ) )
 273         {
 274                 Sys_Printf( "CreateBrushWindings failed\n" );
 275                 return;
 276         }
 277
 278         /* iterate through build brush sides */
 279         for( i = 0; i < buildBrush->numsides; i++ )
 280         {
 281                 /* get build side */
 282                 buildSide = &buildBrush->sides[ i ];
 283
 284                 /* get plane */
 285                 buildPlane = &mapplanes[ buildSide->planenum ];
 286
 287                 /* dummy check */
 288                 if( buildSide->shaderInfo == NULL || buildSide->winding == NULL )
 289                         continue;
 290
 291                 // st-texcoords -> texMat block
 292                 // start out with dummy
 293                 VectorSet(buildSide->texMat[0], 1/32.0, 0, 0);
 294                 VectorSet(buildSide->texMat[1], 0, 1/32.0, 0);
 295
 296                 // find surface for this side (by brute force)
 297                 // surface format:
 298                 //   - meshverts point in pairs of three into verts
 299                 //   - (triangles)
 300                 //   - find the triangle that has most in common with our side
 301                 GetBestSurfaceTriangleMatchForBrushside(buildSide, vert);
 302                 valid = 0;
 303
 304                 /* get texture name */
 305                 if( !Q_strncasecmp( buildSide->shaderInfo->shader, "textures/", 9 ) )
 306                         texture = buildSide->shaderInfo->shader + 9;
 307                 else
 308                         texture = buildSide->shaderInfo->shader;
 309
 310                 /* get plane points and offset by origin */
 311                 for( j = 0; j < 3; j++ )
 312                 {
 313                         VectorAdd( buildSide->winding->p[ j ], origin, pts[ j ] );
 314                         //%     pts[ j ][ 0 ] = SNAP_INT_TO_FLOAT * floor( pts[ j ][ 0 ] * SNAP_FLOAT_TO_INT + 0.5f );
 315                         //%     pts[ j ][ 1 ] = SNAP_INT_TO_FLOAT * floor( pts[ j ][ 1 ] * SNAP_FLOAT_TO_INT + 0.5f );
 316                         //%     pts[ j ][ 2 ] = SNAP_INT_TO_FLOAT * floor( pts[ j ][ 2 ] * SNAP_FLOAT_TO_INT + 0.5f );
 317                 }
 318
 319                 if(vert[0] && vert[1] && vert[2])
 320                 {
 321                         if(brushPrimitives)
 322                         {
 323                                 int i;
 324                                 vec3_t texX, texY;
 325                                 vec2_t xyI, xyJ, xyK;
 326                                 vec2_t stI, stJ, stK;
 327                                 vec_t D, D0, D1, D2;
 328
 329                                 ComputeAxisBase(buildPlane->normal, texX, texY);
 330
 331                                 xyI[0] = DotProduct(vert[0]->xyz, texX);
 332                                 xyI[1] = DotProduct(vert[0]->xyz, texY);
 333                                 xyJ[0] = DotProduct(vert[1]->xyz, texX);
 334                                 xyJ[1] = DotProduct(vert[1]->xyz, texY);
 335                                 xyK[0] = DotProduct(vert[2]->xyz, texX);
 336                                 xyK[1] = DotProduct(vert[2]->xyz, texY);
 337                                 stI[0] = vert[0]->st[0]; stI[1] = vert[0]->st[1];
 338                                 stJ[0] = vert[1]->st[0]; stJ[1] = vert[1]->st[1];
 339                                 stK[0] = vert[2]->st[0]; stK[1] = vert[2]->st[1];
 340
 341                                 //   - solve linear equations:
 342                                 //     - (x, y) := xyz . (texX, texY)
 343                                 //     - st[i] = texMat[i][0]*x + texMat[i][1]*y + texMat[i][2]
 344                                 //       (for three vertices)
 345                                 D = Det3x3(
 346                                         xyI[0], xyI[1], 1,
 347                                         xyJ[0], xyJ[1], 1,
 348                                         xyK[0], xyK[1], 1
 349                                 );
 350                                 if(D != 0)
 351                                 {
 352                                         for(i = 0; i < 2; ++i)
 353                                         {
 354                                                 D0 = Det3x3(
 355                                                         stI[i], xyI[1], 1,
 356                                                         stJ[i], xyJ[1], 1,
 357                                                         stK[i], xyK[1], 1
 358                                                 );
 359                                                 D1 = Det3x3(
 360                                                         xyI[0], stI[i], 1,
 361                                                         xyJ[0], stJ[i], 1,
 362                                                         xyK[0], stK[i], 1
 363                                                 );
 364                                                 D2 = Det3x3(
 365                                                         xyI[0], xyI[1], stI[i],
 366                                                         xyJ[0], xyJ[1], stJ[i],
 367                                                         xyK[0], xyK[1], stK[i]
 368                                                 );
 369                                                 VectorSet(buildSide->texMat[i], D0 / D, D1 / D, D2 / D);
 370                                         }
 371                                         valid = 1;
 372                                 }
 373                                 else
 374                                         fprintf(stderr, "degenerate triangle found when solving texMat equations for\n(%f %f %f) (%f %f %f) (%f %f %f)\n( %f %f %f )\n( %f %f %f ) -> ( %f %f )\n( %f %f %f ) -> ( %f %f )\n( %f %f %f ) -> ( %f %f )\n",
 375                                                 buildPlane->normal[0], buildPlane->normal[1], buildPlane->normal[2],
 376                                                 vert[0]->normal[0], vert[0]->normal[1], vert[0]->normal[2],
 377                                                 texX[0], texX[1], texX[2], texY[0], texY[1], texY[2],
 378                                                 vert[0]->xyz[0], vert[0]->xyz[1], vert[0]->xyz[2], xyI[0], xyI[1],
 379                                                 vert[1]->xyz[0], vert[1]->xyz[1], vert[1]->xyz[2], xyJ[0], xyJ[1],
 380                                                 vert[2]->xyz[0], vert[2]->xyz[1], vert[2]->xyz[2], xyK[0], xyK[1]
 381                                                 );
 382
 383                                 /* print brush side */
 384                                 /* ( 640 24 -224 ) ( 448 24 -224 ) ( 448 -232 -224 ) common/caulk 0 48 0 0.500000 0.500000 0 0 0 */
 385                                 fprintf( f, "\t\t( %.3f %.3f %.3f ) ( %.3f %.3f %.3f ) ( %.3f %.3f %.3f ) ( ( %.8f %.8f %.8f ) ( %.8f %.8f %.8f ) ) %s %d 0 0\n",
 386                                                 pts[ 0 ][ 0 ], pts[ 0 ][ 1 ], pts[ 0 ][ 2 ],
 387                                                 pts[ 1 ][ 0 ], pts[ 1 ][ 1 ], pts[ 1 ][ 2 ],
 388                                                 pts[ 2 ][ 0 ], pts[ 2 ][ 1 ], pts[ 2 ][ 2 ],
 389                                                 buildSide->texMat[0][0], buildSide->texMat[0][1], buildSide->texMat[0][2],
 390                                                 buildSide->texMat[1][0], buildSide->texMat[1][1], buildSide->texMat[1][2],
 391                                                 texture,
 392                                                 // DEBUG: valid ? 0 : C_DETAIL
 393                                                 0
 394                                            );
 395                         }
 396                         else
 397                         {
 398                                 // invert QuakeTextureVecs
 399                                 int i;
 400                                 vec3_t vecs[2];
 401                                 int sv, tv;
 402                                 vec2_t stI, stJ, stK;
 403                                 vec3_t sts[2];
 404                                 vec2_t shift, scale;
 405                                 vec_t rotate;
 406                                 vec_t D, D0, D1, D2;
 407
 408                                 TextureAxisFromPlane(buildPlane, vecs[0], vecs[1]);
 409                                 if (vecs[0][0])
 410                                         sv = 0;
 411                                 else if (vecs[0][1])
 412                                         sv = 1;
 413                                 else
 414                                         sv = 2;
 415                                 if (vecs[1][0])
 416                                         tv = 0;
 417                                 else if (vecs[1][1])
 418                                         tv = 1;
 419                                 else
 420                                         tv = 2;
 421
 422                                 stI[0] = vert[0]->st[0] * buildSide->shaderInfo->shaderWidth; stI[1] = vert[0]->st[1] * buildSide->shaderInfo->shaderHeight;
 423                                 stJ[0] = vert[1]->st[0] * buildSide->shaderInfo->shaderWidth; stJ[1] = vert[1]->st[1] * buildSide->shaderInfo->shaderHeight;
 424                                 stK[0] = vert[2]->st[0] * buildSide->shaderInfo->shaderWidth; stK[1] = vert[2]->st[1] * buildSide->shaderInfo->shaderHeight;
 425
 426                                 D = Det3x3(
 427                                         vert[0]->xyz[sv], vert[0]->xyz[tv], 1,
 428                                         vert[1]->xyz[sv], vert[1]->xyz[tv], 1,
 429                                         vert[2]->xyz[sv], vert[2]->xyz[tv], 1
 430                                 );
 431                                 if(D != 0)
 432                                 {
 433                                         for(i = 0; i < 2; ++i)
 434                                         {
 435                                                 D0 = Det3x3(
 436                                                         stI[i], vert[0]->xyz[tv], 1,
 437                                                         stJ[i], vert[1]->xyz[tv], 1,
 438                                                         stK[i], vert[2]->xyz[tv], 1
 439                                                 );
 440                                                 D1 = Det3x3(
 441                                                         vert[0]->xyz[sv], stI[i], 1,
 442                                                         vert[1]->xyz[sv], stJ[i], 1,
 443                                                         vert[2]->xyz[sv], stK[i], 1
 444                                                 );
 445                                                 D2 = Det3x3(
 446                                                         vert[0]->xyz[sv], vert[0]->xyz[tv], stI[i],
 447                                                         vert[1]->xyz[sv], vert[1]->xyz[tv], stJ[i],
 448                                                         vert[2]->xyz[sv], vert[2]->xyz[tv], stK[i]
 449                                                 );
 450                                                 VectorSet(sts[i], D0 / D, D1 / D, D2 / D);
 451                                         }
 452                                         valid = 1;
 453                                 }
 454                                 else
 455                                         fprintf(stderr, "degenerate triangle found when solving texDef equations\n"); // FIXME add stuff here
 456
 457                                 // now we must solve:
 458                                         //      // now we must invert:
 459                                         //      ang = rotate / 180 * Q_PI;
 460                                         //      sinv = sin(ang);
 461                                         //      cosv = cos(ang);
 462                                         //      ns = cosv * vecs[0][sv];
 463                                         //      nt = sinv * vecs[0][sv];
 464                                         //      vecsrotscaled[0][sv] = ns / scale[0];
 465                                         //      vecsrotscaled[0][tv] = nt / scale[0];
 466                                         //      ns = -sinv * vecs[1][tv];
 467                                         //      nt =  cosv * vecs[1][tv];
 468                                         //      vecsrotscaled[1][sv] = ns / scale[1];
 469                                         //      vecsrotscaled[1][tv] = nt / scale[1];
 470                                 scale[0] = 1.0/sqrt(sts[0][0] * sts[0][0] + sts[0][1] * sts[0][1]);
 471                                 scale[1] = 1.0/sqrt(sts[1][0] * sts[1][0] + sts[1][1] * sts[1][1]);
 472                                 rotate = atan2(sts[0][1] * vecs[0][sv] - sts[1][0] * vecs[1][tv], sts[0][0] * vecs[0][sv] + sts[1][1] * vecs[1][tv]) * (180.0f / Q_PI);
 473                                 shift[0] = sts[0][2];
 474                                 shift[1] = sts[1][2];
 475
 476                                 /* print brush side */
 477                                 /* ( 640 24 -224 ) ( 448 24 -224 ) ( 448 -232 -224 ) common/caulk 0 48 0 0.500000 0.500000 0 0 0 */
 478                                 fprintf( f, "\t\t( %.3f %.3f %.3f ) ( %.3f %.3f %.3f ) ( %.3f %.3f %.3f ) %s %.8f %.8f %.8f %.8f %.8f %d 0 0\n",
 479                                                 pts[ 0 ][ 0 ], pts[ 0 ][ 1 ], pts[ 0 ][ 2 ],
 480                                                 pts[ 1 ][ 0 ], pts[ 1 ][ 1 ], pts[ 1 ][ 2 ],
 481                                                 pts[ 2 ][ 0 ], pts[ 2 ][ 1 ], pts[ 2 ][ 2 ],
 482                                                 texture,
 483                                                 shift[0], shift[1], rotate, scale[0], scale[1],
 484                                                 // DEBUG: valid ? 0 : C_DETAIL
 485                                                 0
 486                                            );
 487                         }
 488                 }
 489                 else
 490                 {
 491                         vec3_t  vecs[ 2 ];
 492                         if(strncmp(buildSide->shaderInfo->shader, "textures/common/", 16))
 493                         if(strcmp(buildSide->shaderInfo->shader, "noshader"))
 494                         if(strcmp(buildSide->shaderInfo->shader, "default"))
 495                                 fprintf(stderr, "no matching triangle for brushside using %s (hopefully nobody can see this side anyway)\n", buildSide->shaderInfo->shader);
 496
 497                         MakeNormalVectors( buildPlane->normal, vecs[ 0 ], vecs[ 1 ] );
 498                         VectorMA( vec3_origin, buildPlane->dist, buildPlane->normal, pts[ 0 ] );
 499                         VectorMA( pts[ 0 ], 256.0f, vecs[ 0 ], pts[ 1 ] );
 500                         VectorMA( pts[ 0 ], 256.0f, vecs[ 1 ], pts[ 2 ] );
 501                         if(brushPrimitives)
 502                         {
 503                                 fprintf( f, "\t\t( %.3f %.3f %.3f ) ( %.3f %.3f %.3f ) ( %.3f %.3f %.3f ) ( ( %.8f %.8f %.8f ) ( %.8f %.8f %.8f ) ) %s %d 0 0\n",
 504                                                 pts[ 0 ][ 0 ], pts[ 0 ][ 1 ], pts[ 0 ][ 2 ],
 505                                                 pts[ 1 ][ 0 ], pts[ 1 ][ 1 ], pts[ 1 ][ 2 ],
 506                                                 pts[ 2 ][ 0 ], pts[ 2 ][ 1 ], pts[ 2 ][ 2 ],
 507                                                 1.0f/16.0f, 0.0f, 0.0f,
 508                                                 0.0f, 1.0f/16.0f, 0.0f,
 509                                                 texture,
 510                                                 // DEBUG: valid ? 0 : C_DETAIL
 511                                                 0
 512                                            );
 513                         }
 514                         else
 515                         {
 516                                 fprintf( f, "\t\t( %.3f %.3f %.3f ) ( %.3f %.3f %.3f ) ( %.3f %.3f %.3f ) %s %.8f %.8f %.8f %.8f %.8f %d 0 0\n",
 517                                                 pts[ 0 ][ 0 ], pts[ 0 ][ 1 ], pts[ 0 ][ 2 ],
 518                                                 pts[ 1 ][ 0 ], pts[ 1 ][ 1 ], pts[ 1 ][ 2 ],
 519                                                 pts[ 2 ][ 0 ], pts[ 2 ][ 1 ], pts[ 2 ][ 2 ],
 520                                                 texture,
 521                                                 0.0f, 0.0f, 0.0f, 0.25f, 0.25f,
 522                                                 // DEBUG: valid ? 0 : C_DETAIL
 523                                                 0
 524                                            );
 525                         }
 526                 }
 527         }
 528
 529         /* end brush */
 530         if(brushPrimitives)
 531         {
 532                 fprintf( f, "\t}\n" );
 533         }
 534         fprintf( f, "\t}\n\n" );
 535 }
 536
 537 #if 0
 538         /* iterate through the brush sides (ignore the first 6 bevel planes) */
 539         for( i = 0; i < brush->numSides; i++ )
 540         {
 541                 /* get side */
 542                 side = &bspBrushSides[ brush->firstSide + i ];
 543
 544                 /* get shader */
 545                 if( side->shaderNum < 0 || side->shaderNum >= numBSPShaders )
 546                         continue;
 547                 shader = &bspShaders[ side->shaderNum ];
 548                 if( !Q_stricmp( shader->shader, "default" ) || !Q_stricmp( shader->shader, "noshader" ) )
 549                         continue;
 550
 551                 /* get texture name */
 552                 if( !Q_strncasecmp( shader->shader, "textures/", 9 ) )
 553                         texture = shader->shader + 9;
 554                 else
 555                         texture = shader->shader;
 556
 557                 /* get plane */
 558                 plane = &bspPlanes[ side->planeNum ];
 559
 560                 /* make plane points */
 561                 {
 562                         vec3_t  vecs[ 2 ];
 563
 564
 565                         MakeNormalVectors( plane->normal, vecs[ 0 ], vecs[ 1 ] );
 566                         VectorMA( vec3_origin, plane->dist, plane->normal, pts[ 0 ] );
 567                         VectorMA( pts[ 0 ], 256.0f, vecs[ 0 ], pts[ 1 ] );
 568                         VectorMA( pts[ 0 ], 256.0f, vecs[ 1 ], pts[ 2 ] );
 569                 }
 570
 571                 /* offset by origin */
 572                 for( j = 0; j < 3; j++ )
 573                         VectorAdd( pts[ j ], origin, pts[ j ] );
 574
 575                 /* print brush side */
 576                 /* ( 640 24 -224 ) ( 448 24 -224 ) ( 448 -232 -224 ) common/caulk 0 48 0 0.500000 0.500000 0 0 0 */
 577                 fprintf( f, "\t\t( %.3f %.3f %.3f ) ( %.3f %.3f %.3f ) ( %.3f %.3f %.3f ) %s 0 0 0 0.5 0.5 0 0 0\n",
 578                         pts[ 0 ][ 0 ], pts[ 0 ][ 1 ], pts[ 0 ][ 2 ],
 579                         pts[ 1 ][ 0 ], pts[ 1 ][ 1 ], pts[ 1 ][ 2 ],
 580                         pts[ 2 ][ 0 ], pts[ 2 ][ 1 ], pts[ 2 ][ 2 ],
 581                         texture );
 582         }
 583 #endif
 584
 585
 586
 587 /*
 588 ConvertPatch()
 589 converts a bsp patch to a map patch
 590
 591         {
 592                 patchDef2
 593                 {
 594                         base_wall/concrete
 595                         ( 9 3 0 0 0 )
 596                         (
 597                                 ( ( 168 168 -192 0 2 ) ( 168 168 -64 0 1 ) ( 168 168 64 0 0 ) ... )
 598                                 ...
 599                         )
 600                 }
 601         }
 602
 603 */
 604
 605 static void ConvertPatch( FILE *f, int num, bspDrawSurface_t *ds, vec3_t origin )
 606 {
 607         int                             x, y;
 608         bspShader_t             *shader;
 609         char                    *texture;
 610         bspDrawVert_t   *dv;
 611         vec3_t                  xyz;
 612
 613
 614         /* only patches */
 615         if( ds->surfaceType != MST_PATCH )
 616                 return;
 617
 618         /* get shader */
 619         if( ds->shaderNum < 0 || ds->shaderNum >= numBSPShaders )
 620                 return;
 621         shader = &bspShaders[ ds->shaderNum ];
 622
 623         /* get texture name */
 624         if( !Q_strncasecmp( shader->shader, "textures/", 9 ) )
 625                 texture = shader->shader + 9;
 626         else
 627                 texture = shader->shader;
 628
 629         /* start patch */
 630         fprintf( f, "\t// patch %d\n", num );
 631         fprintf( f, "\t{\n" );
 632         fprintf( f, "\t\tpatchDef2\n" );
 633         fprintf( f, "\t\t{\n" );
 634         fprintf( f, "\t\t\t%s\n", texture );
 635         fprintf( f, "\t\t\t( %d %d 0 0 0 )\n", ds->patchWidth, ds->patchHeight );
 636         fprintf( f, "\t\t\t(\n" );
 637
 638         /* iterate through the verts */
 639         for( x = 0; x < ds->patchWidth; x++ )
 640         {
 641                 /* start row */
 642                 fprintf( f, "\t\t\t\t(" );
 643
 644                 /* iterate through the row */
 645                 for( y = 0; y < ds->patchHeight; y++ )
 646                 {
 647                         /* get vert */
 648                         dv = &bspDrawVerts[ ds->firstVert + (y * ds->patchWidth) + x ];
 649
 650                         /* offset it */
 651                         VectorAdd( origin, dv->xyz, xyz );
 652
 653                         /* print vertex */
 654                         fprintf( f, " ( %f %f %f %f %f )", xyz[ 0 ], xyz[ 1 ], xyz[ 2 ], dv->st[ 0 ], dv->st[ 1 ] );
 655                 }
 656
 657                 /* end row */
 658                 fprintf( f, " )\n" );
 659         }
 660
 661         /* end patch */
 662         fprintf( f, "\t\t\t)\n" );
 663         fprintf( f, "\t\t}\n" );
 664         fprintf( f, "\t}\n\n" );
 665 }
 666
 667
 668
 669 /*
 670 ConvertModel()
 671 exports a bsp model to a map file
 672 */
 673
 674 static void ConvertModel( FILE *f, bspModel_t *model, int modelNum, vec3_t origin, qboolean brushPrimitives )
 675 {
 676         int                                     i, num;
 677         bspBrush_t                      *brush;
 678         bspDrawSurface_t        *ds;
 679
 680
 681         /* convert bsp planes to map planes */
 682         nummapplanes = numBSPPlanes;
 683         AUTOEXPAND_BY_REALLOC(mapplanes, nummapplanes, allocatedmapplanes, 1024);
 684         for( i = 0; i < numBSPPlanes; i++ )
 685         {
 686                 VectorCopy( bspPlanes[ i ].normal, mapplanes[ i ].normal );
 687                 mapplanes[ i ].dist = bspPlanes[ i ].dist;
 688                 mapplanes[ i ].type = PlaneTypeForNormal( mapplanes[ i ].normal );
 689                 mapplanes[ i ].hash_chain = 0;
 690         }
 691
 692         /* allocate a build brush */
 693         buildBrush = AllocBrush( 512 );
 694         buildBrush->entityNum = 0;
 695         buildBrush->original = buildBrush;
 696
 697         if(origin[0] != 0 || origin[1] != 0 || origin[2] != 0)
 698                 ConvertOriginBrush(f, -1, origin, brushPrimitives);
 699
 700         /* go through each brush in the model */
 701         for( i = 0; i < model->numBSPBrushes; i++ )
 702         {
 703                 num = i + model->firstBSPBrush;
 704                 brush = &bspBrushes[ num ];
 705                 ConvertBrush( f, num, brush, origin, brushPrimitives );
 706         }
 707
 708         /* free the build brush */
 709         free( buildBrush );
 710
 711         /* go through each drawsurf in the model */
 712         for( i = 0; i < model->numBSPSurfaces; i++ )
 713         {
 714                 num = i + model->firstBSPSurface;
 715                 ds = &bspDrawSurfaces[ num ];
 716
 717                 /* we only love patches */
 718                 if( ds->surfaceType == MST_PATCH )
 719                         ConvertPatch( f, num, ds, origin );
 720         }
 721 }
 722
 723
 724
 725 /*
 726 ConvertEPairs()
 727 exports entity key/value pairs to a map file
 728 */
 729
 730 static void ConvertEPairs( FILE *f, entity_t *e, qboolean skip_origin )
 731 {
 732         epair_t *ep;
 733
 734
 735         /* walk epairs */
 736         for( ep = e->epairs; ep != NULL; ep = ep->next )
 737         {
 738                 /* ignore empty keys/values */
 739                 if( ep->key[ 0 ] == '\0' || ep->value[ 0 ] == '\0' )
 740                         continue;
 741
 742                 /* ignore model keys with * prefixed values */
 743                 if( !Q_stricmp( ep->key, "model" ) && ep->value[ 0 ] == '*' )
 744                         continue;
 745
 746                 /* ignore origin keys if skip_origin is set */
 747                 if( skip_origin && !Q_stricmp( ep->key, "origin" ) )
 748                         continue;
 749
 750                 /* emit the epair */
 751                 fprintf( f, "\t\"%s\" \"%s\"\n", ep->key, ep->value );
 752         }
 753 }
 754
 755
 756
 757 /*
 758 ConvertBSPToMap()
 759 exports an quake map file from the bsp
 760 */
 761
 762 int ConvertBSPToMap_Ext( char *bspName, qboolean brushPrimitives )
 763 {
 764         int                             i, modelNum;
 765         FILE                    *f;
 766         bspModel_t              *model;
 767         entity_t                *e;
 768         vec3_t                  origin;
 769         const char              *value;
 770         char                    name[ 1024 ], base[ 1024 ];
 771
 772
 773         /* note it */
 774         Sys_Printf( "--- Convert BSP to MAP ---\n" );
 775
 776         /* create the bsp filename from the bsp name */
 777         strcpy( name, bspName );
 778         StripExtension( name );
 779         strcat( name, "_converted.map" );
 780         Sys_Printf( "writing %s\n", name );
 781
 782         ExtractFileBase( bspName, base );
 783         strcat( base, ".bsp" );
 784
 785         /* open it */
 786         f = fopen( name, "wb" );
 787         if( f == NULL )
 788                 Error( "Open failed on %s\n", name );
 789
 790         /* print header */
 791         fprintf( f, "// Generated by Q3Map2 (ydnar) -convert -format map\n" );
 792
 793         /* walk entity list */
 794         for( i = 0; i < numEntities; i++ )
 795         {
 796                 /* get entity */
 797                 e = &entities[ i ];
 798
 799                 /* start entity */
 800                 fprintf( f, "// entity %d\n", i );
 801                 fprintf( f, "{\n" );
 802
 803                 /* get model num */
 804                 if( i == 0 )
 805                         modelNum = 0;
 806                 else
 807                 {
 808                         value = ValueForKey( e, "model" );
 809                         if( value[ 0 ] == '*' )
 810                                 modelNum = atoi( value + 1 );
 811                         else
 812                                 modelNum = -1;
 813                 }
 814
 815                 /* export keys */
 816                 ConvertEPairs( f, e, modelNum >= 0 );
 817                 fprintf( f, "\n" );
 818
 819                 /* only handle bsp models */
 820                 if( modelNum >= 0 )
 821                 {
 822                         /* get model */
 823                         model = &bspModels[ modelNum ];
 824
 825                         /* get entity origin */
 826                         value = ValueForKey( e, "origin" );
 827                         if( value[ 0 ] == '\0' )
 828                                 VectorClear( origin );
 829                         else
 830                                 GetVectorForKey( e, "origin", origin );
 831
 832                         /* convert model */
 833                         ConvertModel( f, model, modelNum, origin, brushPrimitives );
 834                 }
 835
 836                 /* end entity */
 837                 fprintf( f, "}\n\n" );
 838         }
 839
 840         /* close the file and return */
 841         fclose( f );
 842
 843         /* return to sender */
 844         return 0;
 845 }
 846
 847 int ConvertBSPToMap( char *bspName )
 848 {
 849         return ConvertBSPToMap_Ext(bspName, qfalse);
 850 }
 851
 852 int ConvertBSPToMap_BP( char *bspName )
 853 {
 854         return ConvertBSPToMap_Ext(bspName, qtrue);
 855 }