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 && VectorCompare(vert[0]->normal, vert[1]->normal) && VectorCompare(vert[1]->normal, vert[2]->normal))
  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 #define FRAC(x) ((x) - floor(x))
 149 static void ConvertOriginBrush( FILE *f, int num, vec3_t origin, qboolean brushPrimitives )
 150 {
 151         int originSize = 256;
 152
 153         char pattern[6][7][3] = {
 154                 { "+++", "+-+", "-++", "-  ", " + ", " - ", "-  " },
 155                 { "+++", "-++", "++-", "-  ", "  +", "+  ", "  +" },
 156                 { "+++", "++-", "+-+", " - ", "  +", " - ", "  +" },
 157                 { "---", "+--", "-+-", "-  ", " + ", " - ", "+  " },
 158                 { "---", "--+", "+--", "-  ", "  +", "-  ", "  +" },
 159                 { "---", "-+-", "--+", " - ", "  +", " + ", "  +" }
 160         };
 161         int i;
 162 #define S(a,b,c) (pattern[a][b][c] == '+' ? +1 : pattern[a][b][c] == '-' ? -1 : 0)
 163
 164         /* start brush */
 165         fprintf( f, "\t// brush %d\n", num );
 166         fprintf( f, "\t{\n" );
 167         if(brushPrimitives)
 168         {
 169                 fprintf( f, "\tbrushDef\n" );
 170                 fprintf( f, "\t{\n" );
 171         }
 172         /* print brush side */
 173         /* ( 640 24 -224 ) ( 448 24 -224 ) ( 448 -232 -224 ) common/caulk 0 48 0 0.500000 0.500000 0 0 0 */
 174
 175         for(i = 0; i < 6; ++i)
 176         {
 177                 if(brushPrimitives)
 178                 {
 179                         fprintf( f, "\t\t( %.3f %.3f %.3f ) ( %.3f %.3f %.3f ) ( %.3f %.3f %.3f ) ( ( %.8f %.8f %.8f ) ( %.8f %.8f %.8f ) ) %s %d 0 0\n",
 180                                         origin[0] + 8 * S(i,0,0), origin[1] + 8 * S(i,0,1), origin[2] + 8 * S(i,0,2),
 181                                         origin[0] + 8 * S(i,1,0), origin[1] + 8 * S(i,1,1), origin[2] + 8 * S(i,1,2),
 182                                         origin[0] + 8 * S(i,2,0), origin[1] + 8 * S(i,2,1), origin[2] + 8 * S(i,2,2),
 183                                         1.0f/16.0f, 0.0f, FRAC((S(i,5,0) * origin[0] + S(i,5,1) * origin[1] + S(i,5,2) * origin[2]) / 16.0 + 0.5),
 184                                         0.0f, 1.0f/16.0f, FRAC((S(i,6,0) * origin[0] + S(i,6,1) * origin[1] + S(i,6,2) * origin[2]) / 16.0 + 0.5),
 185                                         "common/origin",
 186                                         0
 187                                    );
 188                 }
 189                 else
 190                 {
 191                         fprintf( f, "\t\t( %.3f %.3f %.3f ) ( %.3f %.3f %.3f ) ( %.3f %.3f %.3f ) %s %.8f %.8f %.8f %.8f %.8f %d 0 0\n",
 192                                         origin[0] + 8 * S(i,0,0), origin[1] + 8 * S(i,0,1), origin[2] + 8 * S(i,0,2),
 193                                         origin[0] + 8 * S(i,1,0), origin[1] + 8 * S(i,1,1), origin[2] + 8 * S(i,1,2),
 194                                         origin[0] + 8 * S(i,2,0), origin[1] + 8 * S(i,2,1), origin[2] + 8 * S(i,2,2),
 195                                         "common/origin",
 196                                         FRAC((S(i,3,0) * origin[0] + S(i,3,1) * origin[1] + S(i,3,2) * origin[2]) / 16.0 + 0.5) * originSize,
 197                                         FRAC((S(i,4,0) * origin[0] + S(i,4,1) * origin[1] + S(i,4,2) * origin[2]) / 16.0 + 0.5) * originSize,
 198                                         0.0f, 16.0 / originSize, 16.0 / originSize,
 199                                         0
 200                                    );
 201                 }
 202         }
 203 #undef S
 204
 205         /* end brush */
 206         if(brushPrimitives)
 207                 fprintf( f, "\t}\n" );
 208         fprintf( f, "\t}\n\n" );
 209 }
 210
 211 static void ConvertBrush( FILE *f, int num, bspBrush_t *brush, vec3_t origin, qboolean brushPrimitives )
 212 {
 213         int                             i, j;
 214         bspBrushSide_t  *side;
 215         side_t                  *buildSide;
 216         bspShader_t             *shader;
 217         char                    *texture;
 218         bspPlane_t              *plane;
 219         plane_t         *buildPlane;
 220         vec3_t                  pts[ 3 ];
 221         bspDrawVert_t   *vert[3];
 222         int valid;
 223
 224
 225         /* start brush */
 226         fprintf( f, "\t// brush %d\n", num );
 227         fprintf( f, "\t{\n" );
 228         if(brushPrimitives)
 229         {
 230                 fprintf( f, "\tbrushDef\n" );
 231                 fprintf( f, "\t{\n" );
 232         }
 233
 234         /* clear out build brush */
 235         for( i = 0; i < buildBrush->numsides; i++ )
 236         {
 237                 buildSide = &buildBrush->sides[ i ];
 238                 if( buildSide->winding != NULL )
 239                 {
 240                         FreeWinding( buildSide->winding );
 241                         buildSide->winding = NULL;
 242                 }
 243         }
 244         buildBrush->numsides = 0;
 245
 246         /* iterate through bsp brush sides */
 247         for( i = 0; i < brush->numSides; i++ )
 248         {
 249                 /* get side */
 250                 side = &bspBrushSides[ brush->firstSide + i ];
 251
 252                 /* get shader */
 253                 if( side->shaderNum < 0 || side->shaderNum >= numBSPShaders )
 254                         continue;
 255                 shader = &bspShaders[ side->shaderNum ];
 256                 //if( !Q_stricmp( shader->shader, "default" ) || !Q_stricmp( shader->shader, "noshader" ) )
 257                 //      continue;
 258
 259                 /* get plane */
 260                 plane = &bspPlanes[ side->planeNum ];
 261
 262                 /* add build side */
 263                 buildSide = &buildBrush->sides[ buildBrush->numsides ];
 264                 buildBrush->numsides++;
 265
 266                 /* tag it */
 267                 buildSide->shaderInfo = ShaderInfoForShader( shader->shader );
 268                 buildSide->planenum = side->planeNum;
 269                 buildSide->winding = NULL;
 270         }
 271
 272         /* make brush windings */
 273         if( !CreateBrushWindings( buildBrush ) )
 274         {
 275                 Sys_Printf( "CreateBrushWindings failed\n" );
 276                 return;
 277         }
 278
 279         /* iterate through build brush sides */
 280         for( i = 0; i < buildBrush->numsides; i++ )
 281         {
 282                 /* get build side */
 283                 buildSide = &buildBrush->sides[ i ];
 284
 285                 /* get plane */
 286                 buildPlane = &mapplanes[ buildSide->planenum ];
 287
 288                 /* dummy check */
 289                 if( buildSide->shaderInfo == NULL || buildSide->winding == NULL )
 290                         continue;
 291
 292                 // st-texcoords -> texMat block
 293                 // start out with dummy
 294                 VectorSet(buildSide->texMat[0], 1/32.0, 0, 0);
 295                 VectorSet(buildSide->texMat[1], 0, 1/32.0, 0);
 296
 297                 // find surface for this side (by brute force)
 298                 // surface format:
 299                 //   - meshverts point in pairs of three into verts
 300                 //   - (triangles)
 301                 //   - find the triangle that has most in common with our side
 302                 GetBestSurfaceTriangleMatchForBrushside(buildSide, vert);
 303                 valid = 0;
 304
 305                 /* get texture name */
 306                 if( !Q_strncasecmp( buildSide->shaderInfo->shader, "textures/", 9 ) )
 307                         texture = buildSide->shaderInfo->shader + 9;
 308                 else
 309                         texture = buildSide->shaderInfo->shader;
 310
 311                 /* get plane points and offset by origin */
 312                 for( j = 0; j < 3; j++ )
 313                 {
 314                         VectorAdd( buildSide->winding->p[ j ], origin, pts[ j ] );
 315                         //%     pts[ j ][ 0 ] = SNAP_INT_TO_FLOAT * floor( pts[ j ][ 0 ] * SNAP_FLOAT_TO_INT + 0.5f );
 316                         //%     pts[ j ][ 1 ] = SNAP_INT_TO_FLOAT * floor( pts[ j ][ 1 ] * SNAP_FLOAT_TO_INT + 0.5f );
 317                         //%     pts[ j ][ 2 ] = SNAP_INT_TO_FLOAT * floor( pts[ j ][ 2 ] * SNAP_FLOAT_TO_INT + 0.5f );
 318                 }
 319
 320                 if(vert[0] && vert[1] && vert[2])
 321                 {
 322                         if(brushPrimitives)
 323                         {
 324                                 int i;
 325                                 vec3_t texX, texY;
 326                                 vec2_t xyI, xyJ, xyK;
 327                                 vec2_t stI, stJ, stK;
 328                                 vec_t D, D0, D1, D2;
 329
 330                                 ComputeAxisBase(buildPlane->normal, texX, texY);
 331
 332                                 xyI[0] = DotProduct(vert[0]->xyz, texX);
 333                                 xyI[1] = DotProduct(vert[0]->xyz, texY);
 334                                 xyJ[0] = DotProduct(vert[1]->xyz, texX);
 335                                 xyJ[1] = DotProduct(vert[1]->xyz, texY);
 336                                 xyK[0] = DotProduct(vert[2]->xyz, texX);
 337                                 xyK[1] = DotProduct(vert[2]->xyz, texY);
 338                                 stI[0] = vert[0]->st[0]; stI[1] = vert[0]->st[1];
 339                                 stJ[0] = vert[1]->st[0]; stJ[1] = vert[1]->st[1];
 340                                 stK[0] = vert[2]->st[0]; stK[1] = vert[2]->st[1];
 341
 342                                 //   - solve linear equations:
 343                                 //     - (x, y) := xyz . (texX, texY)
 344                                 //     - st[i] = texMat[i][0]*x + texMat[i][1]*y + texMat[i][2]
 345                                 //       (for three vertices)
 346                                 D = Det3x3(
 347                                         xyI[0], xyI[1], 1,
 348                                         xyJ[0], xyJ[1], 1,
 349                                         xyK[0], xyK[1], 1
 350                                 );
 351                                 if(D != 0)
 352                                 {
 353                                         for(i = 0; i < 2; ++i)
 354                                         {
 355                                                 D0 = Det3x3(
 356                                                         stI[i], xyI[1], 1,
 357                                                         stJ[i], xyJ[1], 1,
 358                                                         stK[i], xyK[1], 1
 359                                                 );
 360                                                 D1 = Det3x3(
 361                                                         xyI[0], stI[i], 1,
 362                                                         xyJ[0], stJ[i], 1,
 363                                                         xyK[0], stK[i], 1
 364                                                 );
 365                                                 D2 = Det3x3(
 366                                                         xyI[0], xyI[1], stI[i],
 367                                                         xyJ[0], xyJ[1], stJ[i],
 368                                                         xyK[0], xyK[1], stK[i]
 369                                                 );
 370                                                 VectorSet(buildSide->texMat[i], D0 / D, D1 / D, D2 / D);
 371                                         }
 372                                         valid = 1;
 373                                 }
 374                                 else
 375                                         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",
 376                                                 buildPlane->normal[0], buildPlane->normal[1], buildPlane->normal[2],
 377                                                 vert[0]->normal[0], vert[0]->normal[1], vert[0]->normal[2],
 378                                                 texX[0], texX[1], texX[2], texY[0], texY[1], texY[2],
 379                                                 vert[0]->xyz[0], vert[0]->xyz[1], vert[0]->xyz[2], xyI[0], xyI[1],
 380                                                 vert[1]->xyz[0], vert[1]->xyz[1], vert[1]->xyz[2], xyJ[0], xyJ[1],
 381                                                 vert[2]->xyz[0], vert[2]->xyz[1], vert[2]->xyz[2], xyK[0], xyK[1]
 382                                                 );
 383
 384                                 /* print brush side */
 385                                 /* ( 640 24 -224 ) ( 448 24 -224 ) ( 448 -232 -224 ) common/caulk 0 48 0 0.500000 0.500000 0 0 0 */
 386                                 fprintf( f, "\t\t( %.3f %.3f %.3f ) ( %.3f %.3f %.3f ) ( %.3f %.3f %.3f ) ( ( %.8f %.8f %.8f ) ( %.8f %.8f %.8f ) ) %s %d 0 0\n",
 387                                                 pts[ 0 ][ 0 ], pts[ 0 ][ 1 ], pts[ 0 ][ 2 ],
 388                                                 pts[ 1 ][ 0 ], pts[ 1 ][ 1 ], pts[ 1 ][ 2 ],
 389                                                 pts[ 2 ][ 0 ], pts[ 2 ][ 1 ], pts[ 2 ][ 2 ],
 390                                                 buildSide->texMat[0][0], buildSide->texMat[0][1], FRAC(buildSide->texMat[0][2]),
 391                                                 buildSide->texMat[1][0], buildSide->texMat[1][1], FRAC(buildSide->texMat[1][2]),
 392                                                 texture,
 393                                                 // DEBUG: valid ? 0 : C_DETAIL
 394                                                 0
 395                                            );
 396                         }
 397                         else
 398                         {
 399                                 // invert QuakeTextureVecs
 400                                 int i;
 401                                 vec3_t vecs[2];
 402                                 int sv, tv;
 403                                 vec2_t stI, stJ, stK;
 404                                 vec3_t sts[2];
 405                                 vec2_t shift, scale;
 406                                 vec_t rotate;
 407                                 vec_t D, D0, D1, D2;
 408
 409                                 TextureAxisFromPlane(buildPlane, vecs[0], vecs[1]);
 410                                 if (vecs[0][0])
 411                                         sv = 0;
 412                                 else if (vecs[0][1])
 413                                         sv = 1;
 414                                 else
 415                                         sv = 2;
 416                                 if (vecs[1][0])
 417                                         tv = 0;
 418                                 else if (vecs[1][1])
 419                                         tv = 1;
 420                                 else
 421                                         tv = 2;
 422
 423                                 stI[0] = vert[0]->st[0] * buildSide->shaderInfo->shaderWidth; stI[1] = vert[0]->st[1] * buildSide->shaderInfo->shaderHeight;
 424                                 stJ[0] = vert[1]->st[0] * buildSide->shaderInfo->shaderWidth; stJ[1] = vert[1]->st[1] * buildSide->shaderInfo->shaderHeight;
 425                                 stK[0] = vert[2]->st[0] * buildSide->shaderInfo->shaderWidth; stK[1] = vert[2]->st[1] * buildSide->shaderInfo->shaderHeight;
 426
 427                                 D = Det3x3(
 428                                         vert[0]->xyz[sv], vert[0]->xyz[tv], 1,
 429                                         vert[1]->xyz[sv], vert[1]->xyz[tv], 1,
 430                                         vert[2]->xyz[sv], vert[2]->xyz[tv], 1
 431                                 );
 432                                 if(D != 0)
 433                                 {
 434                                         for(i = 0; i < 2; ++i)
 435                                         {
 436                                                 D0 = Det3x3(
 437                                                         stI[i], vert[0]->xyz[tv], 1,
 438                                                         stJ[i], vert[1]->xyz[tv], 1,
 439                                                         stK[i], vert[2]->xyz[tv], 1
 440                                                 );
 441                                                 D1 = Det3x3(
 442                                                         vert[0]->xyz[sv], stI[i], 1,
 443                                                         vert[1]->xyz[sv], stJ[i], 1,
 444                                                         vert[2]->xyz[sv], stK[i], 1
 445                                                 );
 446                                                 D2 = Det3x3(
 447                                                         vert[0]->xyz[sv], vert[0]->xyz[tv], stI[i],
 448                                                         vert[1]->xyz[sv], vert[1]->xyz[tv], stJ[i],
 449                                                         vert[2]->xyz[sv], vert[2]->xyz[tv], stK[i]
 450                                                 );
 451                                                 VectorSet(sts[i], D0 / D, D1 / D, D2 / D);
 452                                         }
 453                                         valid = 1;
 454                                 }
 455                                 else
 456                                         fprintf(stderr, "degenerate triangle found when solving texDef equations\n"); // FIXME add stuff here
 457
 458                                 // now we must solve:
 459                                         //      // now we must invert:
 460                                         //      ang = rotate / 180 * Q_PI;
 461                                         //      sinv = sin(ang);
 462                                         //      cosv = cos(ang);
 463                                         //      ns = cosv * vecs[0][sv];
 464                                         //      nt = sinv * vecs[0][sv];
 465                                         //      vecsrotscaled[0][sv] = ns / scale[0];
 466                                         //      vecsrotscaled[0][tv] = nt / scale[0];
 467                                         //      ns = -sinv * vecs[1][tv];
 468                                         //      nt =  cosv * vecs[1][tv];
 469                                         //      vecsrotscaled[1][sv] = ns / scale[1];
 470                                         //      vecsrotscaled[1][tv] = nt / scale[1];
 471                                 scale[0] = 1.0/sqrt(sts[0][0] * sts[0][0] + sts[0][1] * sts[0][1]);
 472                                 scale[1] = 1.0/sqrt(sts[1][0] * sts[1][0] + sts[1][1] * sts[1][1]);
 473                                 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);
 474                                 shift[0] = buildSide->shaderInfo->shaderWidth * FRAC(sts[0][2] / buildSide->shaderInfo->shaderWidth);
 475                                 shift[1] = buildSide->shaderInfo->shaderHeight * FRAC(sts[1][2] / buildSide->shaderInfo->shaderHeight);
 476
 477                                 /* print brush side */
 478                                 /* ( 640 24 -224 ) ( 448 24 -224 ) ( 448 -232 -224 ) common/caulk 0 48 0 0.500000 0.500000 0 0 0 */
 479                                 fprintf( f, "\t\t( %.3f %.3f %.3f ) ( %.3f %.3f %.3f ) ( %.3f %.3f %.3f ) %s %.8f %.8f %.8f %.8f %.8f %d 0 0\n",
 480                                                 pts[ 0 ][ 0 ], pts[ 0 ][ 1 ], pts[ 0 ][ 2 ],
 481                                                 pts[ 1 ][ 0 ], pts[ 1 ][ 1 ], pts[ 1 ][ 2 ],
 482                                                 pts[ 2 ][ 0 ], pts[ 2 ][ 1 ], pts[ 2 ][ 2 ],
 483                                                 texture,
 484                                                 shift[0], shift[1], rotate, scale[0], scale[1],
 485                                                 // DEBUG: valid ? 0 : C_DETAIL
 486                                                 0
 487                                            );
 488                         }
 489                 }
 490                 else
 491                 {
 492                         vec3_t  vecs[ 2 ];
 493                         if(strncmp(buildSide->shaderInfo->shader, "textures/common/", 16))
 494                         if(strcmp(buildSide->shaderInfo->shader, "noshader"))
 495                         if(strcmp(buildSide->shaderInfo->shader, "default"))
 496                         {
 497                                 fprintf(stderr, "no matching triangle for brushside using %s (hopefully nobody can see this side anyway)\n", buildSide->shaderInfo->shader);
 498                                 texture = "common/WTF";
 499                         }
 500
 501                         MakeNormalVectors( buildPlane->normal, vecs[ 0 ], vecs[ 1 ] );
 502                         VectorMA( vec3_origin, buildPlane->dist, buildPlane->normal, pts[ 0 ] );
 503                         VectorMA( pts[ 0 ], 256.0f, vecs[ 0 ], pts[ 1 ] );
 504                         VectorMA( pts[ 0 ], 256.0f, vecs[ 1 ], pts[ 2 ] );
 505                         if(brushPrimitives)
 506                         {
 507                                 fprintf( f, "\t\t( %.3f %.3f %.3f ) ( %.3f %.3f %.3f ) ( %.3f %.3f %.3f ) ( ( %.8f %.8f %.8f ) ( %.8f %.8f %.8f ) ) %s %d 0 0\n",
 508                                                 pts[ 0 ][ 0 ], pts[ 0 ][ 1 ], pts[ 0 ][ 2 ],
 509                                                 pts[ 1 ][ 0 ], pts[ 1 ][ 1 ], pts[ 1 ][ 2 ],
 510                                                 pts[ 2 ][ 0 ], pts[ 2 ][ 1 ], pts[ 2 ][ 2 ],
 511                                                 1.0f/16.0f, 0.0f, 0.0f,
 512                                                 0.0f, 1.0f/16.0f, 0.0f,
 513                                                 texture,
 514                                                 // DEBUG: valid ? 0 : C_DETAIL
 515                                                 0
 516                                            );
 517                         }
 518                         else
 519                         {
 520                                 fprintf( f, "\t\t( %.3f %.3f %.3f ) ( %.3f %.3f %.3f ) ( %.3f %.3f %.3f ) %s %.8f %.8f %.8f %.8f %.8f %d 0 0\n",
 521                                                 pts[ 0 ][ 0 ], pts[ 0 ][ 1 ], pts[ 0 ][ 2 ],
 522                                                 pts[ 1 ][ 0 ], pts[ 1 ][ 1 ], pts[ 1 ][ 2 ],
 523                                                 pts[ 2 ][ 0 ], pts[ 2 ][ 1 ], pts[ 2 ][ 2 ],
 524                                                 texture,
 525                                                 0.0f, 0.0f, 0.0f, 0.25f, 0.25f,
 526                                                 // DEBUG: valid ? 0 : C_DETAIL
 527                                                 0
 528                                            );
 529                         }
 530                 }
 531         }
 532
 533         /* end brush */
 534         if(brushPrimitives)
 535         {
 536                 fprintf( f, "\t}\n" );
 537         }
 538         fprintf( f, "\t}\n\n" );
 539 }
 540 #undef FRAC
 541
 542 #if 0
 543         /* iterate through the brush sides (ignore the first 6 bevel planes) */
 544         for( i = 0; i < brush->numSides; i++ )
 545         {
 546                 /* get side */
 547                 side = &bspBrushSides[ brush->firstSide + i ];
 548
 549                 /* get shader */
 550                 if( side->shaderNum < 0 || side->shaderNum >= numBSPShaders )
 551                         continue;
 552                 shader = &bspShaders[ side->shaderNum ];
 553                 if( !Q_stricmp( shader->shader, "default" ) || !Q_stricmp( shader->shader, "noshader" ) )
 554                         continue;
 555
 556                 /* get texture name */
 557                 if( !Q_strncasecmp( shader->shader, "textures/", 9 ) )
 558                         texture = shader->shader + 9;
 559                 else
 560                         texture = shader->shader;
 561
 562                 /* get plane */
 563                 plane = &bspPlanes[ side->planeNum ];
 564
 565                 /* make plane points */
 566                 {
 567                         vec3_t  vecs[ 2 ];
 568
 569
 570                         MakeNormalVectors( plane->normal, vecs[ 0 ], vecs[ 1 ] );
 571                         VectorMA( vec3_origin, plane->dist, plane->normal, pts[ 0 ] );
 572                         VectorMA( pts[ 0 ], 256.0f, vecs[ 0 ], pts[ 1 ] );
 573                         VectorMA( pts[ 0 ], 256.0f, vecs[ 1 ], pts[ 2 ] );
 574                 }
 575
 576                 /* offset by origin */
 577                 for( j = 0; j < 3; j++ )
 578                         VectorAdd( pts[ j ], origin, pts[ j ] );
 579
 580                 /* print brush side */
 581                 /* ( 640 24 -224 ) ( 448 24 -224 ) ( 448 -232 -224 ) common/caulk 0 48 0 0.500000 0.500000 0 0 0 */
 582                 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",
 583                         pts[ 0 ][ 0 ], pts[ 0 ][ 1 ], pts[ 0 ][ 2 ],
 584                         pts[ 1 ][ 0 ], pts[ 1 ][ 1 ], pts[ 1 ][ 2 ],
 585                         pts[ 2 ][ 0 ], pts[ 2 ][ 1 ], pts[ 2 ][ 2 ],
 586                         texture );
 587         }
 588 #endif
 589
 590
 591
 592 /*
 593 ConvertPatch()
 594 converts a bsp patch to a map patch
 595
 596         {
 597                 patchDef2
 598                 {
 599                         base_wall/concrete
 600                         ( 9 3 0 0 0 )
 601                         (
 602                                 ( ( 168 168 -192 0 2 ) ( 168 168 -64 0 1 ) ( 168 168 64 0 0 ) ... )
 603                                 ...
 604                         )
 605                 }
 606         }
 607
 608 */
 609
 610 static void ConvertPatch( FILE *f, int num, bspDrawSurface_t *ds, vec3_t origin )
 611 {
 612         int                             x, y;
 613         bspShader_t             *shader;
 614         char                    *texture;
 615         bspDrawVert_t   *dv;
 616         vec3_t                  xyz;
 617
 618
 619         /* only patches */
 620         if( ds->surfaceType != MST_PATCH )
 621                 return;
 622
 623         /* get shader */
 624         if( ds->shaderNum < 0 || ds->shaderNum >= numBSPShaders )
 625                 return;
 626         shader = &bspShaders[ ds->shaderNum ];
 627
 628         /* get texture name */
 629         if( !Q_strncasecmp( shader->shader, "textures/", 9 ) )
 630                 texture = shader->shader + 9;
 631         else
 632                 texture = shader->shader;
 633
 634         /* start patch */
 635         fprintf( f, "\t// patch %d\n", num );
 636         fprintf( f, "\t{\n" );
 637         fprintf( f, "\t\tpatchDef2\n" );
 638         fprintf( f, "\t\t{\n" );
 639         fprintf( f, "\t\t\t%s\n", texture );
 640         fprintf( f, "\t\t\t( %d %d 0 0 0 )\n", ds->patchWidth, ds->patchHeight );
 641         fprintf( f, "\t\t\t(\n" );
 642
 643         /* iterate through the verts */
 644         for( x = 0; x < ds->patchWidth; x++ )
 645         {
 646                 /* start row */
 647                 fprintf( f, "\t\t\t\t(" );
 648
 649                 /* iterate through the row */
 650                 for( y = 0; y < ds->patchHeight; y++ )
 651                 {
 652                         /* get vert */
 653                         dv = &bspDrawVerts[ ds->firstVert + (y * ds->patchWidth) + x ];
 654
 655                         /* offset it */
 656                         VectorAdd( origin, dv->xyz, xyz );
 657
 658                         /* print vertex */
 659                         fprintf( f, " ( %f %f %f %f %f )", xyz[ 0 ], xyz[ 1 ], xyz[ 2 ], dv->st[ 0 ], dv->st[ 1 ] );
 660                 }
 661
 662                 /* end row */
 663                 fprintf( f, " )\n" );
 664         }
 665
 666         /* end patch */
 667         fprintf( f, "\t\t\t)\n" );
 668         fprintf( f, "\t\t}\n" );
 669         fprintf( f, "\t}\n\n" );
 670 }
 671
 672
 673
 674 /*
 675 ConvertModel()
 676 exports a bsp model to a map file
 677 */
 678
 679 static void ConvertModel( FILE *f, bspModel_t *model, int modelNum, vec3_t origin, qboolean brushPrimitives )
 680 {
 681         int                                     i, num;
 682         bspBrush_t                      *brush;
 683         bspDrawSurface_t        *ds;
 684
 685
 686         /* convert bsp planes to map planes */
 687         nummapplanes = numBSPPlanes;
 688         AUTOEXPAND_BY_REALLOC(mapplanes, nummapplanes, allocatedmapplanes, 1024);
 689         for( i = 0; i < numBSPPlanes; i++ )
 690         {
 691                 VectorCopy( bspPlanes[ i ].normal, mapplanes[ i ].normal );
 692                 mapplanes[ i ].dist = bspPlanes[ i ].dist;
 693                 mapplanes[ i ].type = PlaneTypeForNormal( mapplanes[ i ].normal );
 694                 mapplanes[ i ].hash_chain = 0;
 695         }
 696
 697         /* allocate a build brush */
 698         buildBrush = AllocBrush( 512 );
 699         buildBrush->entityNum = 0;
 700         buildBrush->original = buildBrush;
 701
 702         if(origin[0] != 0 || origin[1] != 0 || origin[2] != 0)
 703                 ConvertOriginBrush(f, -1, origin, brushPrimitives);
 704
 705         /* go through each brush in the model */
 706         for( i = 0; i < model->numBSPBrushes; i++ )
 707         {
 708                 num = i + model->firstBSPBrush;
 709                 brush = &bspBrushes[ num ];
 710                 ConvertBrush( f, num, brush, origin, brushPrimitives );
 711         }
 712
 713         /* free the build brush */
 714         free( buildBrush );
 715
 716         /* go through each drawsurf in the model */
 717         for( i = 0; i < model->numBSPSurfaces; i++ )
 718         {
 719                 num = i + model->firstBSPSurface;
 720                 ds = &bspDrawSurfaces[ num ];
 721
 722                 /* we only love patches */
 723                 if( ds->surfaceType == MST_PATCH )
 724                         ConvertPatch( f, num, ds, origin );
 725         }
 726 }
 727
 728
 729
 730 /*
 731 ConvertEPairs()
 732 exports entity key/value pairs to a map file
 733 */
 734
 735 static void ConvertEPairs( FILE *f, entity_t *e, qboolean skip_origin )
 736 {
 737         epair_t *ep;
 738
 739
 740         /* walk epairs */
 741         for( ep = e->epairs; ep != NULL; ep = ep->next )
 742         {
 743                 /* ignore empty keys/values */
 744                 if( ep->key[ 0 ] == '\0' || ep->value[ 0 ] == '\0' )
 745                         continue;
 746
 747                 /* ignore model keys with * prefixed values */
 748                 if( !Q_stricmp( ep->key, "model" ) && ep->value[ 0 ] == '*' )
 749                         continue;
 750
 751                 /* ignore origin keys if skip_origin is set */
 752                 if( skip_origin && !Q_stricmp( ep->key, "origin" ) )
 753                         continue;
 754
 755                 /* emit the epair */
 756                 fprintf( f, "\t\"%s\" \"%s\"\n", ep->key, ep->value );
 757         }
 758 }
 759
 760
 761
 762 /*
 763 ConvertBSPToMap()
 764 exports an quake map file from the bsp
 765 */
 766
 767 int ConvertBSPToMap_Ext( char *bspName, qboolean brushPrimitives )
 768 {
 769         int                             i, modelNum;
 770         FILE                    *f;
 771         bspModel_t              *model;
 772         entity_t                *e;
 773         vec3_t                  origin;
 774         const char              *value;
 775         char                    name[ 1024 ], base[ 1024 ];
 776
 777
 778         /* note it */
 779         Sys_Printf( "--- Convert BSP to MAP ---\n" );
 780
 781         /* create the bsp filename from the bsp name */
 782         strcpy( name, bspName );
 783         StripExtension( name );
 784         strcat( name, "_converted.map" );
 785         Sys_Printf( "writing %s\n", name );
 786
 787         ExtractFileBase( bspName, base );
 788         strcat( base, ".bsp" );
 789
 790         /* open it */
 791         f = fopen( name, "wb" );
 792         if( f == NULL )
 793                 Error( "Open failed on %s\n", name );
 794
 795         /* print header */
 796         fprintf( f, "// Generated by Q3Map2 (ydnar) -convert -format map\n" );
 797
 798         /* walk entity list */
 799         for( i = 0; i < numEntities; i++ )
 800         {
 801                 /* get entity */
 802                 e = &entities[ i ];
 803
 804                 /* start entity */
 805                 fprintf( f, "// entity %d\n", i );
 806                 fprintf( f, "{\n" );
 807
 808                 /* get model num */
 809                 if( i == 0 )
 810                         modelNum = 0;
 811                 else
 812                 {
 813                         value = ValueForKey( e, "model" );
 814                         if( value[ 0 ] == '*' )
 815                                 modelNum = atoi( value + 1 );
 816                         else
 817                                 modelNum = -1;
 818                 }
 819
 820                 /* export keys */
 821                 ConvertEPairs( f, e, modelNum >= 0 );
 822                 fprintf( f, "\n" );
 823
 824                 /* only handle bsp models */
 825                 if( modelNum >= 0 )
 826                 {
 827                         /* get model */
 828                         model = &bspModels[ modelNum ];
 829
 830                         /* get entity origin */
 831                         value = ValueForKey( e, "origin" );
 832                         if( value[ 0 ] == '\0' )
 833                                 VectorClear( origin );
 834                         else
 835                                 GetVectorForKey( e, "origin", origin );
 836
 837                         /* convert model */
 838                         ConvertModel( f, model, modelNum, origin, brushPrimitives );
 839                 }
 840
 841                 /* end entity */
 842                 fprintf( f, "}\n\n" );
 843         }
 844
 845         /* close the file and return */
 846         fclose( f );
 847
 848         /* return to sender */
 849         return 0;
 850 }
 851
 852 int ConvertBSPToMap( char *bspName )
 853 {
 854         return ConvertBSPToMap_Ext(bspName, qfalse);
 855 }
 856
 857 int ConvertBSPToMap_BP( char *bspName )
 858 {
 859         return ConvertBSPToMap_Ext(bspName, qtrue);
 860 }