ref: 761946b93cf45a3b9e47868a704fb165af760333
dir: /code/bspc/l_bsp_sin.c/
/* =========================================================================== Copyright (C) 1999-2005 Id Software, Inc. This file is part of Quake III Arena source code. Quake III Arena source code is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. Quake III Arena source code is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with Foobar; if not, write to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA =========================================================================== */ #include "l_cmd.h" #include "l_math.h" #include "l_mem.h" #include "l_log.h" #include "l_poly.h" #include "../botlib/l_script.h" #include "l_bsp_ent.h" #include "l_bsp_sin.h" void GetLeafNums (void); //============================================================================= int sin_nummodels; sin_dmodel_t *sin_dmodels;//[SIN_MAX_MAP_MODELS]; int sin_visdatasize; byte *sin_dvisdata;//[SIN_MAX_MAP_VISIBILITY]; sin_dvis_t *sin_dvis;// = (sin_dvis_t *)sin_sin_dvisdata; int sin_lightdatasize; byte *sin_dlightdata;//[SIN_MAX_MAP_LIGHTING]; int sin_entdatasize; char *sin_dentdata;//[SIN_MAX_MAP_ENTSTRING]; int sin_numleafs; sin_dleaf_t *sin_dleafs;//[SIN_MAX_MAP_LEAFS]; int sin_numplanes; sin_dplane_t *sin_dplanes;//[SIN_MAX_MAP_PLANES]; int sin_numvertexes; sin_dvertex_t *sin_dvertexes;//[SIN_MAX_MAP_VERTS]; int sin_numnodes; sin_dnode_t *sin_dnodes;//[SIN_MAX_MAP_NODES]; int sin_numtexinfo; sin_texinfo_t *sin_texinfo;//[SIN_MAX_MAP_sin_texinfo]; int sin_numfaces; sin_dface_t *sin_dfaces;//[SIN_MAX_MAP_FACES]; int sin_numedges; sin_dedge_t *sin_dedges;//[SIN_MAX_MAP_EDGES]; int sin_numleaffaces; unsigned short *sin_dleaffaces;//[SIN_MAX_MAP_LEAFFACES]; int sin_numleafbrushes; unsigned short *sin_dleafbrushes;//[SIN_MAX_MAP_LEAFBRUSHES]; int sin_numsurfedges; int *sin_dsurfedges;//[SIN_MAX_MAP_SURFEDGES]; int sin_numbrushes; sin_dbrush_t *sin_dbrushes;//[SIN_MAX_MAP_BRUSHES]; int sin_numbrushsides; sin_dbrushside_t *sin_dbrushsides;//[SIN_MAX_MAP_BRUSHSIDES]; int sin_numareas; sin_darea_t *sin_dareas;//[SIN_MAX_MAP_AREAS]; int sin_numareaportals; sin_dareaportal_t *sin_dareaportals;//[SIN_MAX_MAP_AREAPORTALS]; int sin_numlightinfo; sin_lightvalue_t *sin_lightinfo;//[SIN_MAX_MAP_LIGHTINFO]; byte sin_dpop[256]; char sin_dbrushsidetextured[SIN_MAX_MAP_BRUSHSIDES]; int sin_bspallocated = false; int sin_allocatedbspmem = 0; void Sin_AllocMaxBSP(void) { //models sin_nummodels = 0; sin_dmodels = (sin_dmodel_t *) GetClearedMemory(SIN_MAX_MAP_MODELS * sizeof(sin_dmodel_t)); sin_allocatedbspmem += SIN_MAX_MAP_MODELS * sizeof(sin_dmodel_t); //vis data sin_visdatasize = 0; sin_dvisdata = (byte *) GetClearedMemory(SIN_MAX_MAP_VISIBILITY * sizeof(byte)); sin_dvis = (sin_dvis_t *) sin_dvisdata; sin_allocatedbspmem += SIN_MAX_MAP_VISIBILITY * sizeof(byte); //light data sin_lightdatasize = 0; sin_dlightdata = (byte *) GetClearedMemory(SIN_MAX_MAP_LIGHTING * sizeof(byte)); sin_allocatedbspmem += SIN_MAX_MAP_LIGHTING * sizeof(byte); //entity data sin_entdatasize = 0; sin_dentdata = (char *) GetClearedMemory(SIN_MAX_MAP_ENTSTRING * sizeof(char)); sin_allocatedbspmem += SIN_MAX_MAP_ENTSTRING * sizeof(char); //leafs sin_numleafs = 0; sin_dleafs = (sin_dleaf_t *) GetClearedMemory(SIN_MAX_MAP_LEAFS * sizeof(sin_dleaf_t)); sin_allocatedbspmem += SIN_MAX_MAP_LEAFS * sizeof(sin_dleaf_t); //planes sin_numplanes = 0; sin_dplanes = (sin_dplane_t *) GetClearedMemory(SIN_MAX_MAP_PLANES * sizeof(sin_dplane_t)); sin_allocatedbspmem += SIN_MAX_MAP_PLANES * sizeof(sin_dplane_t); //vertexes sin_numvertexes = 0; sin_dvertexes = (sin_dvertex_t *) GetClearedMemory(SIN_MAX_MAP_VERTS * sizeof(sin_dvertex_t)); sin_allocatedbspmem += SIN_MAX_MAP_VERTS * sizeof(sin_dvertex_t); //nodes sin_numnodes = 0; sin_dnodes = (sin_dnode_t *) GetClearedMemory(SIN_MAX_MAP_NODES * sizeof(sin_dnode_t)); sin_allocatedbspmem += SIN_MAX_MAP_NODES * sizeof(sin_dnode_t); //texture info sin_numtexinfo = 0; sin_texinfo = (sin_texinfo_t *) GetClearedMemory(SIN_MAX_MAP_TEXINFO * sizeof(sin_texinfo_t)); sin_allocatedbspmem += SIN_MAX_MAP_TEXINFO * sizeof(sin_texinfo_t); //faces sin_numfaces = 0; sin_dfaces = (sin_dface_t *) GetClearedMemory(SIN_MAX_MAP_FACES * sizeof(sin_dface_t)); sin_allocatedbspmem += SIN_MAX_MAP_FACES * sizeof(sin_dface_t); //edges sin_numedges = 0; sin_dedges = (sin_dedge_t *) GetClearedMemory(SIN_MAX_MAP_EDGES * sizeof(sin_dedge_t)); sin_allocatedbspmem += SIN_MAX_MAP_EDGES * sizeof(sin_dedge_t); //leaf faces sin_numleaffaces = 0; sin_dleaffaces = (unsigned short *) GetClearedMemory(SIN_MAX_MAP_LEAFFACES * sizeof(unsigned short)); sin_allocatedbspmem += SIN_MAX_MAP_LEAFFACES * sizeof(unsigned short); //leaf brushes sin_numleafbrushes = 0; sin_dleafbrushes = (unsigned short *) GetClearedMemory(SIN_MAX_MAP_LEAFBRUSHES * sizeof(unsigned short)); sin_allocatedbspmem += SIN_MAX_MAP_LEAFBRUSHES * sizeof(unsigned short); //surface edges sin_numsurfedges = 0; sin_dsurfedges = (int *) GetClearedMemory(SIN_MAX_MAP_SURFEDGES * sizeof(int)); sin_allocatedbspmem += SIN_MAX_MAP_SURFEDGES * sizeof(int); //brushes sin_numbrushes = 0; sin_dbrushes = (sin_dbrush_t *) GetClearedMemory(SIN_MAX_MAP_BRUSHES * sizeof(sin_dbrush_t)); sin_allocatedbspmem += SIN_MAX_MAP_BRUSHES * sizeof(sin_dbrush_t); //brushsides sin_numbrushsides = 0; sin_dbrushsides = (sin_dbrushside_t *) GetClearedMemory(SIN_MAX_MAP_BRUSHSIDES * sizeof(sin_dbrushside_t)); sin_allocatedbspmem += SIN_MAX_MAP_BRUSHSIDES * sizeof(sin_dbrushside_t); //areas sin_numareas = 0; sin_dareas = (sin_darea_t *) GetClearedMemory(SIN_MAX_MAP_AREAS * sizeof(sin_darea_t)); sin_allocatedbspmem += SIN_MAX_MAP_AREAS * sizeof(sin_darea_t); //area portals sin_numareaportals = 0; sin_dareaportals = (sin_dareaportal_t *) GetClearedMemory(SIN_MAX_MAP_AREAPORTALS * sizeof(sin_dareaportal_t)); sin_allocatedbspmem += SIN_MAX_MAP_AREAPORTALS * sizeof(sin_dareaportal_t); //light info sin_numlightinfo = 0; sin_lightinfo = (sin_lightvalue_t *) GetClearedMemory(SIN_MAX_MAP_LIGHTINFO * sizeof(sin_lightvalue_t)); sin_allocatedbspmem += SIN_MAX_MAP_LIGHTINFO * sizeof(sin_lightvalue_t); //print allocated memory Log_Print("allocated "); PrintMemorySize(sin_allocatedbspmem); Log_Print(" of BSP memory\n"); } //end of the function Sin_AllocMaxBSP void Sin_FreeMaxBSP(void) { //models sin_nummodels = 0; FreeMemory(sin_dmodels); sin_dmodels = NULL; //vis data sin_visdatasize = 0; FreeMemory(sin_dvisdata); sin_dvisdata = NULL; sin_dvis = NULL; //light data sin_lightdatasize = 0; FreeMemory(sin_dlightdata); sin_dlightdata = NULL; //entity data sin_entdatasize = 0; FreeMemory(sin_dentdata); sin_dentdata = NULL; //leafs sin_numleafs = 0; FreeMemory(sin_dleafs); sin_dleafs = NULL; //planes sin_numplanes = 0; FreeMemory(sin_dplanes); sin_dplanes = NULL; //vertexes sin_numvertexes = 0; FreeMemory(sin_dvertexes); sin_dvertexes = NULL; //nodes sin_numnodes = 0; FreeMemory(sin_dnodes); sin_dnodes = NULL; //texture info sin_numtexinfo = 0; FreeMemory(sin_texinfo); sin_texinfo = NULL; //faces sin_numfaces = 0; FreeMemory(sin_dfaces); sin_dfaces = NULL; //edges sin_numedges = 0; FreeMemory(sin_dedges); sin_dedges = NULL; //leaf faces sin_numleaffaces = 0; FreeMemory(sin_dleaffaces); sin_dleaffaces = NULL; //leaf brushes sin_numleafbrushes = 0; FreeMemory(sin_dleafbrushes); sin_dleafbrushes = NULL; //surface edges sin_numsurfedges = 0; FreeMemory(sin_dsurfedges); sin_dsurfedges = NULL; //brushes sin_numbrushes = 0; FreeMemory(sin_dbrushes); sin_dbrushes = NULL; //brushsides sin_numbrushsides = 0; FreeMemory(sin_dbrushsides); sin_dbrushsides = NULL; //areas sin_numareas = 0; FreeMemory(sin_dareas); sin_dareas = NULL; //area portals sin_numareaportals = 0; FreeMemory(sin_dareaportals); sin_dareaportals = NULL; //light info sin_numlightinfo = 0; FreeMemory(sin_lightinfo); sin_lightinfo = NULL; // Log_Print("freed "); PrintMemorySize(sin_allocatedbspmem); Log_Print(" of BSP memory\n"); sin_allocatedbspmem = 0; } //end of the function Sin_FreeMaxBSP #define WCONVEX_EPSILON 0.5 //=========================================================================== // returns the amount the face and the winding overlap // // Parameter: - // Returns: - // Changes Globals: - //=========================================================================== float Sin_FaceOnWinding(sin_dface_t *face, winding_t *winding) { int i, edgenum, side; float dist, area; sin_dplane_t plane; vec_t *v1, *v2; vec3_t normal, edgevec; winding_t *w; // w = CopyWinding(winding); memcpy(&plane, &sin_dplanes[face->planenum], sizeof(sin_dplane_t)); //check on which side of the plane the face is if (face->side) { VectorNegate(plane.normal, plane.normal); plane.dist = -plane.dist; } //end if for (i = 0; i < face->numedges && w; i++) { //get the first and second vertex of the edge edgenum = sin_dsurfedges[face->firstedge + i]; side = edgenum > 0; //if the face plane is flipped v1 = sin_dvertexes[sin_dedges[abs(edgenum)].v[side]].point; v2 = sin_dvertexes[sin_dedges[abs(edgenum)].v[!side]].point; //create a plane through the edge vector, orthogonal to the face plane //and with the normal vector pointing out of the face VectorSubtract(v1, v2, edgevec); CrossProduct(edgevec, plane.normal, normal); VectorNormalize(normal); dist = DotProduct(normal, v1); // ChopWindingInPlace(&w, normal, dist, 0.9); //CLIP_EPSILON } //end for if (w) { area = WindingArea(w); FreeWinding(w); return area; } //end if return 0; } //end of the function Sin_FaceOnWinding //=========================================================================== // creates a winding for the given brush side on the given brush // // Parameter: - // Returns: - // Changes Globals: - //=========================================================================== winding_t *Sin_BrushSideWinding(sin_dbrush_t *brush, sin_dbrushside_t *baseside) { int i; sin_dplane_t *baseplane, *plane; sin_dbrushside_t *side; winding_t *w; //create a winding for the brush side with the given planenumber baseplane = &sin_dplanes[baseside->planenum]; w = BaseWindingForPlane(baseplane->normal, baseplane->dist); for (i = 0; i < brush->numsides && w; i++) { side = &sin_dbrushsides[brush->firstside + i]; //don't chop with the base plane if (side->planenum == baseside->planenum) continue; //also don't use planes that are almost equal plane = &sin_dplanes[side->planenum]; if (DotProduct(baseplane->normal, plane->normal) > 0.999 && fabs(baseplane->dist - plane->dist) < 0.01) continue; // plane = &sin_dplanes[side->planenum^1]; ChopWindingInPlace(&w, plane->normal, plane->dist, 0); //CLIP_EPSILON); } //end for return w; } //end of the function Sin_BrushSideWinding //=========================================================================== // // Parameter: - // Returns: - // Changes Globals: - //=========================================================================== int Sin_HintSkipBrush(sin_dbrush_t *brush) { int j; sin_dbrushside_t *brushside; for (j = 0; j < brush->numsides; j++) { brushside = &sin_dbrushsides[brush->firstside + j]; if (brushside->texinfo > 0) { if (sin_texinfo[brushside->texinfo].flags & (SURF_SKIP|SURF_HINT)) { return true; } //end if } //end if } //end for return false; } //end of the function Sin_HintSkipBrush //=========================================================================== // fix screwed brush texture references // // Parameter: - // Returns: - // Changes Globals: - //=========================================================================== qboolean WindingIsTiny(winding_t *w); void Sin_FixTextureReferences(void) { int i, j, k, we; sin_dbrushside_t *brushside; sin_dbrush_t *brush; sin_dface_t *face; winding_t *w; memset(sin_dbrushsidetextured, false, SIN_MAX_MAP_BRUSHSIDES); //go over all the brushes for (i = 0; i < sin_numbrushes; i++) { brush = &sin_dbrushes[i]; //hint brushes are not textured if (Sin_HintSkipBrush(brush)) continue; //go over all the sides of the brush for (j = 0; j < brush->numsides; j++) { brushside = &sin_dbrushsides[brush->firstside + j]; // w = Sin_BrushSideWinding(brush, brushside); if (!w) { sin_dbrushsidetextured[brush->firstside + j] = true; continue; } //end if else { //RemoveEqualPoints(w, 0.2); if (WindingIsTiny(w)) { FreeWinding(w); sin_dbrushsidetextured[brush->firstside + j] = true; continue; } //end if else { we = WindingError(w); if (we == WE_NOTENOUGHPOINTS || we == WE_SMALLAREA || we == WE_POINTBOGUSRANGE // || we == WE_NONCONVEX ) { FreeWinding(w); sin_dbrushsidetextured[brush->firstside + j] = true; continue; } //end if } //end else } //end else if (WindingArea(w) < 20) { sin_dbrushsidetextured[brush->firstside + j] = true; } //end if //find a face for texturing this brush for (k = 0; k < sin_numfaces; k++) { face = &sin_dfaces[k]; //if the face is in the same plane as the brush side if ((face->planenum&~1) != (brushside->planenum&~1)) continue; //if the face is partly or totally on the brush side if (Sin_FaceOnWinding(face, w)) { brushside->texinfo = face->texinfo; sin_dbrushsidetextured[brush->firstside + j] = true; break; } //end if } //end for FreeWinding(w); } //end for } //end for } //end of the function Sin_FixTextureReferences*/ /* =============== CompressVis =============== */ int Sin_CompressVis (byte *vis, byte *dest) { int j; int rep; int visrow; byte *dest_p; dest_p = dest; // visrow = (r_numvisleafs + 7)>>3; visrow = (sin_dvis->numclusters + 7)>>3; for (j=0 ; j<visrow ; j++) { *dest_p++ = vis[j]; if (vis[j]) continue; rep = 1; for ( j++; j<visrow ; j++) if (vis[j] || rep == 255) break; else rep++; *dest_p++ = rep; j--; } return dest_p - dest; } //end of the function Sin_CompressVis /* =================== DecompressVis =================== */ void Sin_DecompressVis (byte *in, byte *decompressed) { int c; byte *out; int row; // row = (r_numvisleafs+7)>>3; row = (sin_dvis->numclusters+7)>>3; out = decompressed; do { if (*in) { *out++ = *in++; continue; } c = in[1]; if (!c) Error ("DecompressVis: 0 repeat"); in += 2; while (c) { *out++ = 0; c--; } } while (out - decompressed < row); } //end of the function Sin_DecompressVis //============================================================================= /* ============= Sin_SwapBSPFile Byte swaps all data in a bsp file. ============= */ void Sin_SwapBSPFile (qboolean todisk) { int i, j; sin_dmodel_t *d; // models for (i=0 ; i<sin_nummodels ; i++) { d = &sin_dmodels[i]; d->firstface = LittleLong (d->firstface); d->numfaces = LittleLong (d->numfaces); d->headnode = LittleLong (d->headnode); for (j=0 ; j<3 ; j++) { d->mins[j] = LittleFloat(d->mins[j]); d->maxs[j] = LittleFloat(d->maxs[j]); d->origin[j] = LittleFloat(d->origin[j]); } } // // vertexes // for (i=0 ; i<sin_numvertexes ; i++) { for (j=0 ; j<3 ; j++) sin_dvertexes[i].point[j] = LittleFloat (sin_dvertexes[i].point[j]); } // // planes // for (i=0 ; i<sin_numplanes ; i++) { for (j=0 ; j<3 ; j++) sin_dplanes[i].normal[j] = LittleFloat (sin_dplanes[i].normal[j]); sin_dplanes[i].dist = LittleFloat (sin_dplanes[i].dist); sin_dplanes[i].type = LittleLong (sin_dplanes[i].type); } // // sin_texinfos // for (i = 0; i < sin_numtexinfo; i++) { for (j=0 ; j<8 ; j++) sin_texinfo[i].vecs[0][j] = LittleFloat (sin_texinfo[i].vecs[0][j]); #ifdef SIN sin_texinfo[i].trans_mag = LittleFloat( sin_texinfo[i].trans_mag ); sin_texinfo[i].trans_angle = LittleLong( sin_texinfo[i].trans_angle ); sin_texinfo[i].animtime = LittleFloat( sin_texinfo[i].animtime ); sin_texinfo[i].nonlit = LittleFloat( sin_texinfo[i].nonlit ); sin_texinfo[i].translucence = LittleFloat( sin_texinfo[i].translucence ); sin_texinfo[i].friction = LittleFloat( sin_texinfo[i].friction ); sin_texinfo[i].restitution = LittleFloat( sin_texinfo[i].restitution ); sin_texinfo[i].flags = LittleUnsigned (sin_texinfo[i].flags); #else sin_texinfo[i].value = LittleLong (sin_texinfo[i].value); sin_texinfo[i].flags = LittleLong (sin_texinfo[i].flags); #endif sin_texinfo[i].nexttexinfo = LittleLong (sin_texinfo[i].nexttexinfo); } #ifdef SIN // // lightinfos // for (i = 0; i < sin_numlightinfo; i++) { for (j=0 ; j<3 ; j++) { sin_lightinfo[i].color[j] = LittleFloat (sin_lightinfo[i].color[j]); } sin_lightinfo[i].value = LittleLong (sin_lightinfo[i].value); sin_lightinfo[i].direct = LittleFloat( sin_lightinfo[i].direct ); sin_lightinfo[i].directangle = LittleFloat( sin_lightinfo[i].directangle ); sin_lightinfo[i].directstyle = LittleFloat( sin_lightinfo[i].directstyle ); } #endif // // faces // for (i=0 ; i<sin_numfaces ; i++) { sin_dfaces[i].texinfo = LittleShort (sin_dfaces[i].texinfo); #ifdef SIN sin_dfaces[i].lightinfo = LittleLong (sin_dfaces[i].lightinfo); sin_dfaces[i].planenum = LittleUnsignedShort (sin_dfaces[i].planenum); #else sin_dfaces[i].planenum = LittleShort (sin_dfaces[i].planenum); #endif sin_dfaces[i].side = LittleShort (sin_dfaces[i].side); sin_dfaces[i].lightofs = LittleLong (sin_dfaces[i].lightofs); sin_dfaces[i].firstedge = LittleLong (sin_dfaces[i].firstedge); sin_dfaces[i].numedges = LittleShort (sin_dfaces[i].numedges); } // // nodes // for (i=0 ; i<sin_numnodes ; i++) { sin_dnodes[i].planenum = LittleLong (sin_dnodes[i].planenum); for (j=0 ; j<3 ; j++) { sin_dnodes[i].mins[j] = LittleShort (sin_dnodes[i].mins[j]); sin_dnodes[i].maxs[j] = LittleShort (sin_dnodes[i].maxs[j]); } sin_dnodes[i].children[0] = LittleLong (sin_dnodes[i].children[0]); sin_dnodes[i].children[1] = LittleLong (sin_dnodes[i].children[1]); #ifdef SIN sin_dnodes[i].firstface = LittleUnsignedShort (sin_dnodes[i].firstface); sin_dnodes[i].numfaces = LittleUnsignedShort (sin_dnodes[i].numfaces); #else sin_dnodes[i].firstface = LittleShort (sin_dnodes[i].firstface); sin_dnodes[i].numfaces = LittleShort (sin_dnodes[i].numfaces); #endif } // // leafs // for (i=0 ; i<sin_numleafs ; i++) { sin_dleafs[i].contents = LittleLong (sin_dleafs[i].contents); sin_dleafs[i].cluster = LittleShort (sin_dleafs[i].cluster); sin_dleafs[i].area = LittleShort (sin_dleafs[i].area); for (j=0 ; j<3 ; j++) { sin_dleafs[i].mins[j] = LittleShort (sin_dleafs[i].mins[j]); sin_dleafs[i].maxs[j] = LittleShort (sin_dleafs[i].maxs[j]); } #ifdef SIN sin_dleafs[i].firstleafface = LittleUnsignedShort (sin_dleafs[i].firstleafface); sin_dleafs[i].numleaffaces = LittleUnsignedShort (sin_dleafs[i].numleaffaces); sin_dleafs[i].firstleafbrush = LittleUnsignedShort (sin_dleafs[i].firstleafbrush); sin_dleafs[i].numleafbrushes = LittleUnsignedShort (sin_dleafs[i].numleafbrushes); #else sin_dleafs[i].firstleafface = LittleShort (sin_dleafs[i].firstleafface); sin_dleafs[i].numleaffaces = LittleShort (sin_dleafs[i].numleaffaces); sin_dleafs[i].firstleafbrush = LittleShort (sin_dleafs[i].firstleafbrush); sin_dleafs[i].numleafbrushes = LittleShort (sin_dleafs[i].numleafbrushes); #endif } // // leaffaces // for (i=0 ; i<sin_numleaffaces ; i++) sin_dleaffaces[i] = LittleShort (sin_dleaffaces[i]); // // leafbrushes // for (i=0 ; i<sin_numleafbrushes ; i++) sin_dleafbrushes[i] = LittleShort (sin_dleafbrushes[i]); // // surfedges // for (i=0 ; i<sin_numsurfedges ; i++) sin_dsurfedges[i] = LittleLong (sin_dsurfedges[i]); // // edges // for (i=0 ; i<sin_numedges ; i++) { #ifdef SIN sin_dedges[i].v[0] = LittleUnsignedShort (sin_dedges[i].v[0]); sin_dedges[i].v[1] = LittleUnsignedShort (sin_dedges[i].v[1]); #else sin_dedges[i].v[0] = LittleShort (sin_dedges[i].v[0]); sin_dedges[i].v[1] = LittleShort (sin_dedges[i].v[1]); #endif } // // brushes // for (i=0 ; i<sin_numbrushes ; i++) { sin_dbrushes[i].firstside = LittleLong (sin_dbrushes[i].firstside); sin_dbrushes[i].numsides = LittleLong (sin_dbrushes[i].numsides); sin_dbrushes[i].contents = LittleLong (sin_dbrushes[i].contents); } // // areas // for (i=0 ; i<sin_numareas ; i++) { sin_dareas[i].numareaportals = LittleLong (sin_dareas[i].numareaportals); sin_dareas[i].firstareaportal = LittleLong (sin_dareas[i].firstareaportal); } // // areasportals // for (i=0 ; i<sin_numareaportals ; i++) { sin_dareaportals[i].portalnum = LittleLong (sin_dareaportals[i].portalnum); sin_dareaportals[i].otherarea = LittleLong (sin_dareaportals[i].otherarea); } // // brushsides // for (i=0 ; i<sin_numbrushsides ; i++) { #ifdef SIN sin_dbrushsides[i].planenum = LittleUnsignedShort (sin_dbrushsides[i].planenum); #else sin_dbrushsides[i].planenum = LittleShort (sin_dbrushsides[i].planenum); #endif sin_dbrushsides[i].texinfo = LittleShort (sin_dbrushsides[i].texinfo); #ifdef SIN sin_dbrushsides[i].lightinfo = LittleLong (sin_dbrushsides[i].lightinfo); #endif } // // visibility // if (todisk) j = sin_dvis->numclusters; else j = LittleLong(sin_dvis->numclusters); sin_dvis->numclusters = LittleLong (sin_dvis->numclusters); for (i=0 ; i<j ; i++) { sin_dvis->bitofs[i][0] = LittleLong (sin_dvis->bitofs[i][0]); sin_dvis->bitofs[i][1] = LittleLong (sin_dvis->bitofs[i][1]); } } //end of the function Sin_SwapBSPFile sin_dheader_t *header; #ifdef SIN int Sin_CopyLump (int lump, void *dest, int size, int maxsize) { int length, ofs; length = header->lumps[lump].filelen; ofs = header->lumps[lump].fileofs; if (length % size) Error ("Sin_LoadBSPFile: odd lump size"); if ((length/size) > maxsize) Error ("Sin_LoadBSPFile: exceeded max size for lump %d size %d > maxsize %d\n", lump, (length/size), maxsize ); memcpy (dest, (byte *)header + ofs, length); return length / size; } #else int Sin_CopyLump (int lump, void *dest, int size) { int length, ofs; length = header->lumps[lump].filelen; ofs = header->lumps[lump].fileofs; if (length % size) Error ("Sin_LoadBSPFile: odd lump size"); memcpy (dest, (byte *)header + ofs, length); return length / size; } #endif /* ============= Sin_LoadBSPFile ============= */ void Sin_LoadBSPFile(char *filename, int offset, int length) { int i; // // load the file header // LoadFile (filename, (void **)&header, offset, length); // swap the header for (i=0 ; i< sizeof(sin_dheader_t)/4 ; i++) ((int *)header)[i] = LittleLong ( ((int *)header)[i]); if (header->ident != SIN_BSPHEADER && header->ident != SINGAME_BSPHEADER) Error ("%s is not a IBSP file", filename); if (header->version != SIN_BSPVERSION && header->version != SINGAME_BSPVERSION) Error ("%s is version %i, not %i", filename, header->version, SIN_BSPVERSION); #ifdef SIN sin_nummodels = Sin_CopyLump (SIN_LUMP_MODELS, sin_dmodels, sizeof(sin_dmodel_t), SIN_MAX_MAP_MODELS); sin_numvertexes = Sin_CopyLump (SIN_LUMP_VERTEXES, sin_dvertexes, sizeof(sin_dvertex_t), SIN_MAX_MAP_VERTS); sin_numplanes = Sin_CopyLump (SIN_LUMP_PLANES, sin_dplanes, sizeof(sin_dplane_t), SIN_MAX_MAP_PLANES); sin_numleafs = Sin_CopyLump (SIN_LUMP_LEAFS, sin_dleafs, sizeof(sin_dleaf_t), SIN_MAX_MAP_LEAFS); sin_numnodes = Sin_CopyLump (SIN_LUMP_NODES, sin_dnodes, sizeof(sin_dnode_t), SIN_MAX_MAP_NODES); sin_numtexinfo = Sin_CopyLump (SIN_LUMP_TEXINFO, sin_texinfo, sizeof(sin_texinfo_t), SIN_MAX_MAP_TEXINFO); sin_numfaces = Sin_CopyLump (SIN_LUMP_FACES, sin_dfaces, sizeof(sin_dface_t), SIN_MAX_MAP_FACES); sin_numleaffaces = Sin_CopyLump (SIN_LUMP_LEAFFACES, sin_dleaffaces, sizeof(sin_dleaffaces[0]), SIN_MAX_MAP_LEAFFACES); sin_numleafbrushes = Sin_CopyLump (SIN_LUMP_LEAFBRUSHES, sin_dleafbrushes, sizeof(sin_dleafbrushes[0]), SIN_MAX_MAP_LEAFBRUSHES); sin_numsurfedges = Sin_CopyLump (SIN_LUMP_SURFEDGES, sin_dsurfedges, sizeof(sin_dsurfedges[0]), SIN_MAX_MAP_SURFEDGES); sin_numedges = Sin_CopyLump (SIN_LUMP_EDGES, sin_dedges, sizeof(sin_dedge_t), SIN_MAX_MAP_EDGES); sin_numbrushes = Sin_CopyLump (SIN_LUMP_BRUSHES, sin_dbrushes, sizeof(sin_dbrush_t), SIN_MAX_MAP_BRUSHES); sin_numbrushsides = Sin_CopyLump (SIN_LUMP_BRUSHSIDES, sin_dbrushsides, sizeof(sin_dbrushside_t), SIN_MAX_MAP_BRUSHSIDES); sin_numareas = Sin_CopyLump (SIN_LUMP_AREAS, sin_dareas, sizeof(sin_darea_t), SIN_MAX_MAP_AREAS); sin_numareaportals = Sin_CopyLump (SIN_LUMP_AREAPORTALS, sin_dareaportals, sizeof(sin_dareaportal_t), SIN_MAX_MAP_AREAPORTALS); sin_numlightinfo = Sin_CopyLump (SIN_LUMP_LIGHTINFO, sin_lightinfo, sizeof(sin_lightvalue_t), SIN_MAX_MAP_LIGHTINFO); sin_visdatasize = Sin_CopyLump (SIN_LUMP_VISIBILITY, sin_dvisdata, 1, SIN_MAX_MAP_VISIBILITY); sin_lightdatasize = Sin_CopyLump (SIN_LUMP_LIGHTING, sin_dlightdata, 1, SIN_MAX_MAP_LIGHTING); sin_entdatasize = Sin_CopyLump (SIN_LUMP_ENTITIES, sin_dentdata, 1, SIN_MAX_MAP_ENTSTRING); Sin_CopyLump (SIN_LUMP_POP, sin_dpop, 1, sizeof(sin_dpop)); #else sin_nummodels = Sin_CopyLump (SIN_LUMP_MODELS, sin_dmodels, sizeof(sin_dmodel_t)); sin_numvertexes = Sin_CopyLump (SIN_LUMP_VERTEXES, sin_dvertexes, sizeof(sin_dvertex_t)); sin_numplanes = Sin_CopyLump (SIN_LUMP_PLANES, sin_dplanes, sizeof(sin_dplane_t)); sin_numleafs = Sin_CopyLump (SIN_LUMP_LEAFS, sin_dleafs, sizeof(sin_dleaf_t)); sin_numnodes = Sin_CopyLump (SIN_LUMP_NODES, sin_dnodes, sizeof(sin_dnode_t)); sin_numtexinfo = Sin_CopyLump (SIN_LUMP_TEXINFO, sin_texinfo, sizeof(sin_texinfo_t)); sin_numfaces = Sin_CopyLump (SIN_LUMP_FACES, sin_dfaces, sizeof(sin_dface_t)); sin_numleaffaces = Sin_CopyLump (SIN_LUMP_LEAFFACES, sin_dleaffaces, sizeof(sin_dleaffaces[0])); sin_numleafbrushes = Sin_CopyLump (SIN_LUMP_LEAFBRUSHES, sin_dleafbrushes, sizeof(sin_dleafbrushes[0])); sin_numsurfedges = Sin_CopyLump (SIN_LUMP_SURFEDGES, sin_dsurfedges, sizeof(sin_dsurfedges[0])); sin_numedges = Sin_CopyLump (SIN_LUMP_EDGES, sin_dedges, sizeof(sin_dedge_t)); sin_numbrushes = Sin_CopyLump (SIN_LUMP_BRUSHES, sin_dbrushes, sizeof(sin_dbrush_t)); sin_numbrushsides = Sin_CopyLump (SIN_LUMP_BRUSHSIDES, sin_dbrushsides, sizeof(sin_dbrushside_t)); sin_numareas = Sin_CopyLump (SIN_LUMP_AREAS, sin_dareas, sizeof(sin_darea_t)); sin_numareaportals = Sin_CopyLump (SIN_LUMP_AREAPORTALS, sin_dareaportals, sizeof(sin_dareaportal_t)); sin_visdatasize = Sin_CopyLump (SIN_LUMP_VISIBILITY, sin_dvisdata, 1); sin_lightdatasize = Sin_CopyLump (SIN_LUMP_LIGHTING, sin_dlightdata, 1); sin_entdatasize = Sin_CopyLump (SIN_LUMP_ENTITIES, sin_dentdata, 1); Sin_CopyLump (SIN_LUMP_POP, sin_dpop, 1); #endif FreeMemory(header); // everything has been copied out // // swap everything // Sin_SwapBSPFile (false); } //end of the function Sin_LoadBSPFile /* ============= Sin_LoadBSPFilesTexinfo Only loads the sin_texinfo lump, so qdata can scan for textures ============= */ void Sin_LoadBSPFileTexinfo (char *filename) { int i; FILE *f; int length, ofs; header = GetMemory(sizeof(sin_dheader_t)); f = fopen (filename, "rb"); fread (header, sizeof(sin_dheader_t), 1, f); // swap the header for (i=0 ; i< sizeof(sin_dheader_t)/4 ; i++) ((int *)header)[i] = LittleLong ( ((int *)header)[i]); if (header->ident != SIN_BSPHEADER && header->ident != SINGAME_BSPHEADER) Error ("%s is not a IBSP file", filename); if (header->version != SIN_BSPVERSION && header->version != SINGAME_BSPVERSION) Error ("%s is version %i, not %i", filename, header->version, SIN_BSPVERSION); length = header->lumps[SIN_LUMP_TEXINFO].filelen; ofs = header->lumps[SIN_LUMP_TEXINFO].fileofs; fseek (f, ofs, SEEK_SET); fread (sin_texinfo, length, 1, f); fclose (f); sin_numtexinfo = length / sizeof(sin_texinfo_t); FreeMemory(header); // everything has been copied out Sin_SwapBSPFile (false); } //end of the function Sin_LoadBSPFilesTexinfo //============================================================================ FILE *wadfile; sin_dheader_t outheader; #ifdef SIN void Sin_AddLump (int lumpnum, void *data, int len, int size, int maxsize) { sin_lump_t *lump; int totallength; totallength = len*size; if (len > maxsize) Error ("Sin_WriteBSPFile: exceeded max size for lump %d size %d > maxsize %d\n", lumpnum, len, maxsize ); lump = &header->lumps[lumpnum]; lump->fileofs = LittleLong( ftell(wadfile) ); lump->filelen = LittleLong(totallength); SafeWrite (wadfile, data, (totallength+3)&~3); } #else void Sin_AddLump (int lumpnum, void *data, int len) { sin_lump_t *lump; lump = &header->lumps[lumpnum]; lump->fileofs = LittleLong( ftell(wadfile) ); lump->filelen = LittleLong(len); SafeWrite (wadfile, data, (len+3)&~3); } #endif /* ============= Sin_WriteBSPFile Swaps the bsp file in place, so it should not be referenced again ============= */ void Sin_WriteBSPFile (char *filename) { header = &outheader; memset (header, 0, sizeof(sin_dheader_t)); Sin_SwapBSPFile (true); header->ident = LittleLong (SIN_BSPHEADER); header->version = LittleLong (SIN_BSPVERSION); wadfile = SafeOpenWrite (filename); SafeWrite (wadfile, header, sizeof(sin_dheader_t)); // overwritten later #ifdef SIN Sin_AddLump (SIN_LUMP_PLANES, sin_dplanes, sin_numplanes, sizeof(sin_dplane_t), SIN_MAX_MAP_PLANES); Sin_AddLump (SIN_LUMP_LEAFS, sin_dleafs, sin_numleafs, sizeof(sin_dleaf_t), SIN_MAX_MAP_LEAFS); Sin_AddLump (SIN_LUMP_VERTEXES, sin_dvertexes, sin_numvertexes, sizeof(sin_dvertex_t), SIN_MAX_MAP_VERTS); Sin_AddLump (SIN_LUMP_NODES, sin_dnodes, sin_numnodes, sizeof(sin_dnode_t), SIN_MAX_MAP_NODES); Sin_AddLump (SIN_LUMP_TEXINFO, sin_texinfo, sin_numtexinfo, sizeof(sin_texinfo_t), SIN_MAX_MAP_TEXINFO); Sin_AddLump (SIN_LUMP_FACES, sin_dfaces, sin_numfaces, sizeof(sin_dface_t), SIN_MAX_MAP_FACES); Sin_AddLump (SIN_LUMP_BRUSHES, sin_dbrushes, sin_numbrushes, sizeof(sin_dbrush_t), SIN_MAX_MAP_BRUSHES); Sin_AddLump (SIN_LUMP_BRUSHSIDES, sin_dbrushsides, sin_numbrushsides, sizeof(sin_dbrushside_t), SIN_MAX_MAP_BRUSHSIDES); Sin_AddLump (SIN_LUMP_LEAFFACES, sin_dleaffaces, sin_numleaffaces, sizeof(sin_dleaffaces[0]), SIN_MAX_MAP_LEAFFACES); Sin_AddLump (SIN_LUMP_LEAFBRUSHES, sin_dleafbrushes, sin_numleafbrushes, sizeof(sin_dleafbrushes[0]), SIN_MAX_MAP_LEAFBRUSHES); Sin_AddLump (SIN_LUMP_SURFEDGES, sin_dsurfedges, sin_numsurfedges, sizeof(sin_dsurfedges[0]), SIN_MAX_MAP_SURFEDGES); Sin_AddLump (SIN_LUMP_EDGES, sin_dedges, sin_numedges, sizeof(sin_dedge_t), SIN_MAX_MAP_EDGES); Sin_AddLump (SIN_LUMP_MODELS, sin_dmodels, sin_nummodels, sizeof(sin_dmodel_t), SIN_MAX_MAP_MODELS); Sin_AddLump (SIN_LUMP_AREAS, sin_dareas, sin_numareas, sizeof(sin_darea_t), SIN_MAX_MAP_AREAS); Sin_AddLump (SIN_LUMP_AREAPORTALS, sin_dareaportals, sin_numareaportals, sizeof(sin_dareaportal_t), SIN_MAX_MAP_AREAPORTALS); Sin_AddLump (SIN_LUMP_LIGHTINFO, sin_lightinfo, sin_numlightinfo, sizeof(sin_lightvalue_t), SIN_MAX_MAP_LIGHTINFO); Sin_AddLump (SIN_LUMP_LIGHTING, sin_dlightdata, sin_lightdatasize, 1, SIN_MAX_MAP_LIGHTING); Sin_AddLump (SIN_LUMP_VISIBILITY, sin_dvisdata, sin_visdatasize, 1, SIN_MAX_MAP_VISIBILITY); Sin_AddLump (SIN_LUMP_ENTITIES, sin_dentdata, sin_entdatasize, 1, SIN_MAX_MAP_ENTSTRING); Sin_AddLump (SIN_LUMP_POP, sin_dpop, sizeof(sin_dpop), 1, sizeof(sin_dpop)); #else Sin_AddLump (SIN_LUMP_PLANES, sin_dplanes, sin_numplanes*sizeof(sin_dplane_t)); Sin_AddLump (SIN_LUMP_LEAFS, sin_dleafs, sin_numleafs*sizeof(sin_dleaf_t)); Sin_AddLump (SIN_LUMP_VERTEXES, sin_dvertexes, sin_numvertexes*sizeof(sin_dvertex_t)); Sin_AddLump (SIN_LUMP_NODES, sin_dnodes, sin_numnodes*sizeof(sin_dnode_t)); Sin_AddLump (SIN_LUMP_TEXINFO, sin_texinfo, sin_numtexinfo*sizeof(sin_texinfo_t)); Sin_AddLump (SIN_LUMP_FACES, sin_dfaces, sin_numfaces*sizeof(sin_dface_t)); Sin_AddLump (SIN_LUMP_BRUSHES, sin_dbrushes, sin_numbrushes*sizeof(sin_dbrush_t)); Sin_AddLump (SIN_LUMP_BRUSHSIDES, sin_dbrushsides, sin_numbrushsides*sizeof(sin_dbrushside_t)); Sin_AddLump (SIN_LUMP_LEAFFACES, sin_dleaffaces, sin_numleaffaces*sizeof(sin_dleaffaces[0])); Sin_AddLump (SIN_LUMP_LEAFBRUSHES, sin_dleafbrushes, sin_numleafbrushes*sizeof(sin_dleafbrushes[0])); Sin_AddLump (SIN_LUMP_SURFEDGES, sin_dsurfedges, sin_numsurfedges*sizeof(sin_dsurfedges[0])); Sin_AddLump (SIN_LUMP_EDGES, sin_dedges, sin_numedges*sizeof(sin_dedge_t)); Sin_AddLump (SIN_LUMP_MODELS, sin_dmodels, sin_nummodels*sizeof(sin_dmodel_t)); Sin_AddLump (SIN_LUMP_AREAS, sin_dareas, sin_numareas*sizeof(sin_darea_t)); Sin_AddLump (SIN_LUMP_AREAPORTALS, sin_dareaportals, sin_numareaportals*sizeof(sin_dareaportal_t)); Sin_AddLump (SIN_LUMP_LIGHTING, sin_dlightdata, sin_lightdatasize); Sin_AddLump (SIN_LUMP_VISIBILITY, sin_dvisdata, sin_visdatasize); Sin_AddLump (SIN_LUMP_ENTITIES, sin_dentdata, sin_entdatasize); Sin_AddLump (SIN_LUMP_POP, sin_dpop, sizeof(sin_dpop)); #endif fseek (wadfile, 0, SEEK_SET); SafeWrite (wadfile, header, sizeof(sin_dheader_t)); fclose (wadfile); } //============================================================================ //============================================ /* ================ ParseEntities Parses the sin_dentdata string into entities ================ */ void Sin_ParseEntities (void) { script_t *script; num_entities = 0; script = LoadScriptMemory(sin_dentdata, sin_entdatasize, "*sin bsp file"); SetScriptFlags(script, SCFL_NOSTRINGWHITESPACES | SCFL_NOSTRINGESCAPECHARS); while(ParseEntity(script)) { } //end while FreeScript(script); } //end of the function Sin_ParseEntities /* ================ UnparseEntities Generates the sin_dentdata string from all the entities ================ */ void Sin_UnparseEntities (void) { char *buf, *end; epair_t *ep; char line[2048]; int i; char key[1024], value[1024]; buf = sin_dentdata; end = buf; *end = 0; for (i=0 ; i<num_entities ; i++) { ep = entities[i].epairs; if (!ep) continue; // ent got removed strcat (end,"{\n"); end += 2; for (ep = entities[i].epairs ; ep ; ep=ep->next) { strcpy (key, ep->key); StripTrailing (key); strcpy (value, ep->value); StripTrailing (value); sprintf (line, "\"%s\" \"%s\"\n", key, value); strcat (end, line); end += strlen(line); } strcat (end,"}\n"); end += 2; if (end > buf + SIN_MAX_MAP_ENTSTRING) Error ("Entity text too long"); } sin_entdatasize = end - buf + 1; } //end of the function Sin_UnparseEntities #ifdef SIN void FreeValueKeys(entity_t *ent) { epair_t *ep,*next; for (ep=ent->epairs ; ep ; ep=next) { next = ep->next; FreeMemory(ep->value); FreeMemory(ep->key); FreeMemory(ep); } ent->epairs = NULL; } #endif /* ============= Sin_PrintBSPFileSizes Dumps info about current file ============= */ void Sin_PrintBSPFileSizes (void) { if (!num_entities) Sin_ParseEntities (); Log_Print("%6i models %7i\n" ,sin_nummodels, (int)(sin_nummodels*sizeof(sin_dmodel_t))); Log_Print("%6i brushes %7i\n" ,sin_numbrushes, (int)(sin_numbrushes*sizeof(sin_dbrush_t))); Log_Print("%6i brushsides %7i\n" ,sin_numbrushsides, (int)(sin_numbrushsides*sizeof(sin_dbrushside_t))); Log_Print("%6i planes %7i\n" ,sin_numplanes, (int)(sin_numplanes*sizeof(sin_dplane_t))); Log_Print("%6i texinfo %7i\n" ,sin_numtexinfo, (int)(sin_numtexinfo*sizeof(sin_texinfo_t))); #ifdef SIN Log_Print("%6i lightinfo %7i\n" ,sin_numlightinfo, (int)(sin_numlightinfo*sizeof(sin_lightvalue_t))); #endif Log_Print("%6i entdata %7i\n", num_entities, sin_entdatasize); Log_Print("\n"); Log_Print("%6i vertexes %7i\n" ,sin_numvertexes, (int)(sin_numvertexes*sizeof(sin_dvertex_t))); Log_Print("%6i nodes %7i\n" ,sin_numnodes, (int)(sin_numnodes*sizeof(sin_dnode_t))); Log_Print("%6i faces %7i\n" ,sin_numfaces, (int)(sin_numfaces*sizeof(sin_dface_t))); Log_Print("%6i leafs %7i\n" ,sin_numleafs, (int)(sin_numleafs*sizeof(sin_dleaf_t))); Log_Print("%6i leaffaces %7i\n" ,sin_numleaffaces, (int)(sin_numleaffaces*sizeof(sin_dleaffaces[0]))); Log_Print("%6i leafbrushes %7i\n" ,sin_numleafbrushes, (int)(sin_numleafbrushes*sizeof(sin_dleafbrushes[0]))); Log_Print("%6i surfedges %7i\n" ,sin_numsurfedges, (int)(sin_numsurfedges*sizeof(sin_dsurfedges[0]))); Log_Print("%6i edges %7i\n" ,sin_numedges, (int)(sin_numedges*sizeof(sin_dedge_t))); Log_Print(" lightdata %7i\n", sin_lightdatasize); Log_Print(" visdata %7i\n", sin_visdatasize); }