ref: bea7b7bf8ccbc2bc41906517079e76fcfb31cb5a
dir: /code/bspc/aas_file.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 "qbsp.h" #include "../botlib/aasfile.h" #include "aas_file.h" #include "aas_store.h" #include "aas_create.h" #define AAS_Error Error //=========================================================================== // // Parameter: - // Returns: - // Changes Globals: - //=========================================================================== void AAS_SwapAASData(void) { int i, j; //bounding boxes for (i = 0; i < aasworld.numbboxes; i++) { aasworld.bboxes[i].presencetype = LittleLong(aasworld.bboxes[i].presencetype); aasworld.bboxes[i].flags = LittleLong(aasworld.bboxes[i].flags); for (j = 0; j < 3; j++) { aasworld.bboxes[i].mins[j] = LittleLong(aasworld.bboxes[i].mins[j]); aasworld.bboxes[i].maxs[j] = LittleLong(aasworld.bboxes[i].maxs[j]); } //end for } //end for //vertexes for (i = 0; i < aasworld.numvertexes; i++) { for (j = 0; j < 3; j++) aasworld.vertexes[i][j] = LittleFloat(aasworld.vertexes[i][j]); } //end for //planes for (i = 0; i < aasworld.numplanes; i++) { for (j = 0; j < 3; j++) aasworld.planes[i].normal[j] = LittleFloat(aasworld.planes[i].normal[j]); aasworld.planes[i].dist = LittleFloat(aasworld.planes[i].dist); aasworld.planes[i].type = LittleLong(aasworld.planes[i].type); } //end for //edges for (i = 0; i < aasworld.numedges; i++) { aasworld.edges[i].v[0] = LittleLong(aasworld.edges[i].v[0]); aasworld.edges[i].v[1] = LittleLong(aasworld.edges[i].v[1]); } //end for //edgeindex for (i = 0; i < aasworld.edgeindexsize; i++) { aasworld.edgeindex[i] = LittleLong(aasworld.edgeindex[i]); } //end for //faces for (i = 0; i < aasworld.numfaces; i++) { aasworld.faces[i].planenum = LittleLong(aasworld.faces[i].planenum); aasworld.faces[i].faceflags = LittleLong(aasworld.faces[i].faceflags); aasworld.faces[i].numedges = LittleLong(aasworld.faces[i].numedges); aasworld.faces[i].firstedge = LittleLong(aasworld.faces[i].firstedge); aasworld.faces[i].frontarea = LittleLong(aasworld.faces[i].frontarea); aasworld.faces[i].backarea = LittleLong(aasworld.faces[i].backarea); } //end for //face index for (i = 0; i < aasworld.faceindexsize; i++) { aasworld.faceindex[i] = LittleLong(aasworld.faceindex[i]); } //end for //convex areas for (i = 0; i < aasworld.numareas; i++) { aasworld.areas[i].areanum = LittleLong(aasworld.areas[i].areanum); aasworld.areas[i].numfaces = LittleLong(aasworld.areas[i].numfaces); aasworld.areas[i].firstface = LittleLong(aasworld.areas[i].firstface); for (j = 0; j < 3; j++) { aasworld.areas[i].mins[j] = LittleFloat(aasworld.areas[i].mins[j]); aasworld.areas[i].maxs[j] = LittleFloat(aasworld.areas[i].maxs[j]); aasworld.areas[i].center[j] = LittleFloat(aasworld.areas[i].center[j]); } //end for } //end for //area settings for (i = 0; i < aasworld.numareasettings; i++) { aasworld.areasettings[i].contents = LittleLong(aasworld.areasettings[i].contents); aasworld.areasettings[i].areaflags = LittleLong(aasworld.areasettings[i].areaflags); aasworld.areasettings[i].presencetype = LittleLong(aasworld.areasettings[i].presencetype); aasworld.areasettings[i].cluster = LittleLong(aasworld.areasettings[i].cluster); aasworld.areasettings[i].clusterareanum = LittleLong(aasworld.areasettings[i].clusterareanum); aasworld.areasettings[i].numreachableareas = LittleLong(aasworld.areasettings[i].numreachableareas); aasworld.areasettings[i].firstreachablearea = LittleLong(aasworld.areasettings[i].firstreachablearea); } //end for //area reachability for (i = 0; i < aasworld.reachabilitysize; i++) { aasworld.reachability[i].areanum = LittleLong(aasworld.reachability[i].areanum); aasworld.reachability[i].facenum = LittleLong(aasworld.reachability[i].facenum); aasworld.reachability[i].edgenum = LittleLong(aasworld.reachability[i].edgenum); for (j = 0; j < 3; j++) { aasworld.reachability[i].start[j] = LittleFloat(aasworld.reachability[i].start[j]); aasworld.reachability[i].end[j] = LittleFloat(aasworld.reachability[i].end[j]); } //end for aasworld.reachability[i].traveltype = LittleLong(aasworld.reachability[i].traveltype); aasworld.reachability[i].traveltime = LittleShort(aasworld.reachability[i].traveltime); } //end for //nodes for (i = 0; i < aasworld.numnodes; i++) { aasworld.nodes[i].planenum = LittleLong(aasworld.nodes[i].planenum); aasworld.nodes[i].children[0] = LittleLong(aasworld.nodes[i].children[0]); aasworld.nodes[i].children[1] = LittleLong(aasworld.nodes[i].children[1]); } //end for //cluster portals for (i = 0; i < aasworld.numportals; i++) { aasworld.portals[i].areanum = LittleLong(aasworld.portals[i].areanum); aasworld.portals[i].frontcluster = LittleLong(aasworld.portals[i].frontcluster); aasworld.portals[i].backcluster = LittleLong(aasworld.portals[i].backcluster); aasworld.portals[i].clusterareanum[0] = LittleLong(aasworld.portals[i].clusterareanum[0]); aasworld.portals[i].clusterareanum[1] = LittleLong(aasworld.portals[i].clusterareanum[1]); } //end for //cluster portal index for (i = 0; i < aasworld.portalindexsize; i++) { aasworld.portalindex[i] = LittleLong(aasworld.portalindex[i]); } //end for //cluster for (i = 0; i < aasworld.numclusters; i++) { aasworld.clusters[i].numareas = LittleLong(aasworld.clusters[i].numareas); aasworld.clusters[i].numportals = LittleLong(aasworld.clusters[i].numportals); aasworld.clusters[i].firstportal = LittleLong(aasworld.clusters[i].firstportal); } //end for } //end of the function AAS_SwapAASData //=========================================================================== // dump the current loaded aas file // // Parameter: - // Returns: - // Changes Globals: - //=========================================================================== void AAS_DumpAASData(void) { /* if (aasworld.vertexes) FreeMemory(aasworld.vertexes); aasworld.vertexes = NULL; if (aasworld.planes) FreeMemory(aasworld.planes); aasworld.planes = NULL; if (aasworld.edges) FreeMemory(aasworld.edges); aasworld.edges = NULL; if (aasworld.edgeindex) FreeMemory(aasworld.edgeindex); aasworld.edgeindex = NULL; if (aasworld.faces) FreeMemory(aasworld.faces); aasworld.faces = NULL; if (aasworld.faceindex) FreeMemory(aasworld.faceindex); aasworld.faceindex = NULL; if (aasworld.areas) FreeMemory(aasworld.areas); aasworld.areas = NULL; if (aasworld.areasettings) FreeMemory(aasworld.areasettings); aasworld.areasettings = NULL; if (aasworld.reachability) FreeMemory(aasworld.reachability); aasworld.reachability = NULL; */ aasworld.loaded = false; } //end of the function AAS_DumpAASData //=========================================================================== // allocate memory and read a lump of a AAS file // // Parameter: - // Returns: - // Changes Globals: - //=========================================================================== char *AAS_LoadAASLump(FILE *fp, int offset, int length, void *buf) { if (!length) { printf("lump size 0\n"); return buf; } //end if //seek to the data if (fseek(fp, offset, SEEK_SET)) { AAS_Error("can't seek to lump\n"); AAS_DumpAASData(); fclose(fp); return 0; } //end if //allocate memory if (!buf) buf = (void *) GetClearedMemory(length); //read the data if (fread((char *) buf, 1, length, fp) != length) { AAS_Error("can't read lump\n"); FreeMemory(buf); AAS_DumpAASData(); fclose(fp); return NULL; } //end if return buf; } //end of the function AAS_LoadAASLump //=========================================================================== // // Parameter: - // Returns: - // Changes Globals: - //=========================================================================== void AAS_DData(unsigned char *data, int size) { int i; for (i = 0; i < size; i++) { data[i] ^= (unsigned char) i * 119; } //end for } //end of the function AAS_DData //=========================================================================== // load an aas file // // Parameter: - // Returns: - // Changes Globals: - //=========================================================================== qboolean AAS_LoadAASFile(char *filename, int fpoffset, int fplength) { FILE *fp; aas_header_t header; int offset, length; //dump current loaded aas file AAS_DumpAASData(); //open the file fp = fopen(filename, "rb"); if (!fp) { AAS_Error("can't open %s\n", filename); return false; } //end if //seek to the correct position (in the pak file) if (fseek(fp, fpoffset, SEEK_SET)) { AAS_Error("can't seek to file %s\n"); fclose(fp); return false; } //end if //read the header if (fread(&header, sizeof(aas_header_t), 1, fp) != 1) { AAS_Error("can't read header of file %s\n", filename); fclose(fp); return false; } //end if //check header identification header.ident = LittleLong(header.ident); if (header.ident != AASID) { AAS_Error("%s is not an AAS file\n", filename); fclose(fp); return false; } //end if //check the version header.version = LittleLong(header.version); if (header.version != AASVERSION_OLD && header.version != AASVERSION) { AAS_Error("%s is version %i, not %i\n", filename, header.version, AASVERSION); fclose(fp); return false; } //end if // if (header.version == AASVERSION) { AAS_DData((unsigned char *) &header + 8, sizeof(aas_header_t) - 8); } //end if aasworld.bspchecksum = LittleLong(header.bspchecksum); //load the lumps: //bounding boxes offset = fpoffset + LittleLong(header.lumps[AASLUMP_BBOXES].fileofs); length = LittleLong(header.lumps[AASLUMP_BBOXES].filelen); aasworld.bboxes = (aas_bbox_t *) AAS_LoadAASLump(fp, offset, length, aasworld.bboxes); if (!aasworld.bboxes) return false; aasworld.numbboxes = length / sizeof(aas_bbox_t); //vertexes offset = fpoffset + LittleLong(header.lumps[AASLUMP_VERTEXES].fileofs); length = LittleLong(header.lumps[AASLUMP_VERTEXES].filelen); aasworld.vertexes = (aas_vertex_t *) AAS_LoadAASLump(fp, offset, length, aasworld.vertexes); if (!aasworld.vertexes) return false; aasworld.numvertexes = length / sizeof(aas_vertex_t); //planes offset = fpoffset + LittleLong(header.lumps[AASLUMP_PLANES].fileofs); length = LittleLong(header.lumps[AASLUMP_PLANES].filelen); aasworld.planes = (aas_plane_t *) AAS_LoadAASLump(fp, offset, length, aasworld.planes); if (!aasworld.planes) return false; aasworld.numplanes = length / sizeof(aas_plane_t); //edges offset = fpoffset + LittleLong(header.lumps[AASLUMP_EDGES].fileofs); length = LittleLong(header.lumps[AASLUMP_EDGES].filelen); aasworld.edges = (aas_edge_t *) AAS_LoadAASLump(fp, offset, length, aasworld.edges); if (!aasworld.edges) return false; aasworld.numedges = length / sizeof(aas_edge_t); //edgeindex offset = fpoffset + LittleLong(header.lumps[AASLUMP_EDGEINDEX].fileofs); length = LittleLong(header.lumps[AASLUMP_EDGEINDEX].filelen); aasworld.edgeindex = (aas_edgeindex_t *) AAS_LoadAASLump(fp, offset, length, aasworld.edgeindex); if (!aasworld.edgeindex) return false; aasworld.edgeindexsize = length / sizeof(aas_edgeindex_t); //faces offset = fpoffset + LittleLong(header.lumps[AASLUMP_FACES].fileofs); length = LittleLong(header.lumps[AASLUMP_FACES].filelen); aasworld.faces = (aas_face_t *) AAS_LoadAASLump(fp, offset, length, aasworld.faces); if (!aasworld.faces) return false; aasworld.numfaces = length / sizeof(aas_face_t); //faceindex offset = fpoffset + LittleLong(header.lumps[AASLUMP_FACEINDEX].fileofs); length = LittleLong(header.lumps[AASLUMP_FACEINDEX].filelen); aasworld.faceindex = (aas_faceindex_t *) AAS_LoadAASLump(fp, offset, length, aasworld.faceindex); if (!aasworld.faceindex) return false; aasworld.faceindexsize = length / sizeof(int); //convex areas offset = fpoffset + LittleLong(header.lumps[AASLUMP_AREAS].fileofs); length = LittleLong(header.lumps[AASLUMP_AREAS].filelen); aasworld.areas = (aas_area_t *) AAS_LoadAASLump(fp, offset, length, aasworld.areas); if (!aasworld.areas) return false; aasworld.numareas = length / sizeof(aas_area_t); //area settings offset = fpoffset + LittleLong(header.lumps[AASLUMP_AREASETTINGS].fileofs); length = LittleLong(header.lumps[AASLUMP_AREASETTINGS].filelen); aasworld.areasettings = (aas_areasettings_t *) AAS_LoadAASLump(fp, offset, length, aasworld.areasettings); if (!aasworld.areasettings) return false; aasworld.numareasettings = length / sizeof(aas_areasettings_t); //reachability list offset = fpoffset + LittleLong(header.lumps[AASLUMP_REACHABILITY].fileofs); length = LittleLong(header.lumps[AASLUMP_REACHABILITY].filelen); aasworld.reachability = (aas_reachability_t *) AAS_LoadAASLump(fp, offset, length, aasworld.reachability); if (length && !aasworld.reachability) return false; aasworld.reachabilitysize = length / sizeof(aas_reachability_t); //nodes offset = fpoffset + LittleLong(header.lumps[AASLUMP_NODES].fileofs); length = LittleLong(header.lumps[AASLUMP_NODES].filelen); aasworld.nodes = (aas_node_t *) AAS_LoadAASLump(fp, offset, length, aasworld.nodes); if (!aasworld.nodes) return false; aasworld.numnodes = length / sizeof(aas_node_t); //cluster portals offset = fpoffset + LittleLong(header.lumps[AASLUMP_PORTALS].fileofs); length = LittleLong(header.lumps[AASLUMP_PORTALS].filelen); aasworld.portals = (aas_portal_t *) AAS_LoadAASLump(fp, offset, length, aasworld.portals); if (length && !aasworld.portals) return false; aasworld.numportals = length / sizeof(aas_portal_t); //cluster portal index offset = fpoffset + LittleLong(header.lumps[AASLUMP_PORTALINDEX].fileofs); length = LittleLong(header.lumps[AASLUMP_PORTALINDEX].filelen); aasworld.portalindex = (aas_portalindex_t *) AAS_LoadAASLump(fp, offset, length, aasworld.portalindex); if (length && !aasworld.portalindex) return false; aasworld.portalindexsize = length / sizeof(aas_portalindex_t); //clusters offset = fpoffset + LittleLong(header.lumps[AASLUMP_CLUSTERS].fileofs); length = LittleLong(header.lumps[AASLUMP_CLUSTERS].filelen); aasworld.clusters = (aas_cluster_t *) AAS_LoadAASLump(fp, offset, length, aasworld.clusters); if (length && !aasworld.clusters) return false; aasworld.numclusters = length / sizeof(aas_cluster_t); //swap everything AAS_SwapAASData(); //aas file is loaded aasworld.loaded = true; //close the file fclose(fp); return true; } //end of the function AAS_LoadAASFile //=========================================================================== // // Parameter: - // Returns: - // Changes Globals: - //=========================================================================== int AAS_WriteAASLump(FILE *fp, aas_header_t *h, int lumpnum, void *data, int length) { aas_lump_t *lump; lump = &h->lumps[lumpnum]; lump->fileofs = LittleLong(ftell(fp)); lump->filelen = LittleLong(length); if (length > 0) { if (fwrite(data, length, 1, fp) < 1) { Log_Print("error writing lump %s\n", lumpnum); fclose(fp); return false; } //end if } //end if return true; } //end of the function AAS_WriteAASLump //=========================================================================== // // Parameter: - // Returns: - // Changes Globals: - //=========================================================================== void AAS_ShowNumReachabilities(int tt, char *name) { int i, num; num = 0; for (i = 0; i < aasworld.reachabilitysize; i++) { if ((aasworld.reachability[i].traveltype & TRAVELTYPE_MASK) == tt) num++; } //end for Log_Print("%6d %s\n", num, name); } //end of the function AAS_ShowNumReachabilities //=========================================================================== // // Parameter: - // Returns: - // Changes Globals: - //=========================================================================== void AAS_ShowTotals(void) { Log_Print("numvertexes = %d\r\n", aasworld.numvertexes); Log_Print("numplanes = %d\r\n", aasworld.numplanes); Log_Print("numedges = %d\r\n", aasworld.numedges); Log_Print("edgeindexsize = %d\r\n", aasworld.edgeindexsize); Log_Print("numfaces = %d\r\n", aasworld.numfaces); Log_Print("faceindexsize = %d\r\n", aasworld.faceindexsize); Log_Print("numareas = %d\r\n", aasworld.numareas); Log_Print("numareasettings = %d\r\n", aasworld.numareasettings); Log_Print("reachabilitysize = %d\r\n", aasworld.reachabilitysize); Log_Print("numnodes = %d\r\n", aasworld.numnodes); Log_Print("numportals = %d\r\n", aasworld.numportals); Log_Print("portalindexsize = %d\r\n", aasworld.portalindexsize); Log_Print("numclusters = %d\r\n", aasworld.numclusters); AAS_ShowNumReachabilities(TRAVEL_WALK, "walk"); AAS_ShowNumReachabilities(TRAVEL_CROUCH, "crouch"); AAS_ShowNumReachabilities(TRAVEL_BARRIERJUMP, "barrier jump"); AAS_ShowNumReachabilities(TRAVEL_JUMP, "jump"); AAS_ShowNumReachabilities(TRAVEL_LADDER, "ladder"); AAS_ShowNumReachabilities(TRAVEL_WALKOFFLEDGE, "walk off ledge"); AAS_ShowNumReachabilities(TRAVEL_SWIM, "swim"); AAS_ShowNumReachabilities(TRAVEL_WATERJUMP, "water jump"); AAS_ShowNumReachabilities(TRAVEL_TELEPORT, "teleport"); AAS_ShowNumReachabilities(TRAVEL_ELEVATOR, "elevator"); AAS_ShowNumReachabilities(TRAVEL_ROCKETJUMP, "rocket jump"); AAS_ShowNumReachabilities(TRAVEL_BFGJUMP, "bfg jump"); AAS_ShowNumReachabilities(TRAVEL_GRAPPLEHOOK, "grapple hook"); AAS_ShowNumReachabilities(TRAVEL_DOUBLEJUMP, "double jump"); AAS_ShowNumReachabilities(TRAVEL_RAMPJUMP, "ramp jump"); AAS_ShowNumReachabilities(TRAVEL_STRAFEJUMP, "strafe jump"); AAS_ShowNumReachabilities(TRAVEL_JUMPPAD, "jump pad"); AAS_ShowNumReachabilities(TRAVEL_FUNCBOB, "func bob"); } //end of the function AAS_ShowTotals //=========================================================================== // aas data is useless after writing to file because it is byte swapped // // Parameter: - // Returns: - // Changes Globals: - //=========================================================================== qboolean AAS_WriteAASFile(char *filename) { aas_header_t header; FILE *fp; Log_Print("writing %s\n", filename); AAS_ShowTotals(); //swap the aas data AAS_SwapAASData(); //initialize the file header memset(&header, 0, sizeof(aas_header_t)); header.ident = LittleLong(AASID); header.version = LittleLong(AASVERSION); header.bspchecksum = LittleLong(aasworld.bspchecksum); //open a new file fp = fopen(filename, "wb"); if (!fp) { Log_Print("error opening %s\n", filename); return false; } //end if //write the header if (fwrite(&header, sizeof(aas_header_t), 1, fp) < 1) { fclose(fp); return false; } //end if //add the data lumps to the file if (!AAS_WriteAASLump(fp, &header, AASLUMP_BBOXES, aasworld.bboxes, aasworld.numbboxes * sizeof(aas_bbox_t))) return false; if (!AAS_WriteAASLump(fp, &header, AASLUMP_VERTEXES, aasworld.vertexes, aasworld.numvertexes * sizeof(aas_vertex_t))) return false; if (!AAS_WriteAASLump(fp, &header, AASLUMP_PLANES, aasworld.planes, aasworld.numplanes * sizeof(aas_plane_t))) return false; if (!AAS_WriteAASLump(fp, &header, AASLUMP_EDGES, aasworld.edges, aasworld.numedges * sizeof(aas_edge_t))) return false; if (!AAS_WriteAASLump(fp, &header, AASLUMP_EDGEINDEX, aasworld.edgeindex, aasworld.edgeindexsize * sizeof(aas_edgeindex_t))) return false; if (!AAS_WriteAASLump(fp, &header, AASLUMP_FACES, aasworld.faces, aasworld.numfaces * sizeof(aas_face_t))) return false; if (!AAS_WriteAASLump(fp, &header, AASLUMP_FACEINDEX, aasworld.faceindex, aasworld.faceindexsize * sizeof(aas_faceindex_t))) return false; if (!AAS_WriteAASLump(fp, &header, AASLUMP_AREAS, aasworld.areas, aasworld.numareas * sizeof(aas_area_t))) return false; if (!AAS_WriteAASLump(fp, &header, AASLUMP_AREASETTINGS, aasworld.areasettings, aasworld.numareasettings * sizeof(aas_areasettings_t))) return false; if (!AAS_WriteAASLump(fp, &header, AASLUMP_REACHABILITY, aasworld.reachability, aasworld.reachabilitysize * sizeof(aas_reachability_t))) return false; if (!AAS_WriteAASLump(fp, &header, AASLUMP_NODES, aasworld.nodes, aasworld.numnodes * sizeof(aas_node_t))) return false; if (!AAS_WriteAASLump(fp, &header, AASLUMP_PORTALS, aasworld.portals, aasworld.numportals * sizeof(aas_portal_t))) return false; if (!AAS_WriteAASLump(fp, &header, AASLUMP_PORTALINDEX, aasworld.portalindex, aasworld.portalindexsize * sizeof(aas_portalindex_t))) return false; if (!AAS_WriteAASLump(fp, &header, AASLUMP_CLUSTERS, aasworld.clusters, aasworld.numclusters * sizeof(aas_cluster_t))) return false; //rewrite the header with the added lumps fseek(fp, 0, SEEK_SET); AAS_DData((unsigned char *) &header + 8, sizeof(aas_header_t) - 8); if (fwrite(&header, sizeof(aas_header_t), 1, fp) < 1) { fclose(fp); return false; } //end if //close the file fclose(fp); return true; } //end of the function AAS_WriteAASFile