ioq3/code/bspc/aas_file.c

550 lines
21 KiB
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