ref: a8a53b1228ec040b0b449150b7d62b06a8c7f4e1
dir: /code/botlib/be_aas_optimize.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
===========================================================================
*/
/*****************************************************************************
* name: be_aas_optimize.c
*
* desc: decreases the .aas file size after the reachabilities have
* been calculated, just dumps all the faces, edges and vertexes
*
* $Archive: /MissionPack/code/botlib/be_aas_optimize.c $
*
*****************************************************************************/
#include "../game/q_shared.h"
#include "l_libvar.h"
#include "l_memory.h"
#include "l_script.h"
#include "l_precomp.h"
#include "l_struct.h"
#include "aasfile.h"
#include "../game/botlib.h"
#include "../game/be_aas.h"
#include "be_aas_funcs.h"
#include "be_interface.h"
#include "be_aas_def.h"
typedef struct optimized_s
{
//vertexes
int numvertexes;
aas_vertex_t *vertexes;
//edges
int numedges;
aas_edge_t *edges;
//edge index
int edgeindexsize;
aas_edgeindex_t *edgeindex;
//faces
int numfaces;
aas_face_t *faces;
//face index
int faceindexsize;
aas_faceindex_t *faceindex;
//convex areas
int numareas;
aas_area_t *areas;
//
int *vertexoptimizeindex;
int *edgeoptimizeindex;
int *faceoptimizeindex;
} optimized_t;
//===========================================================================
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
int AAS_KeepEdge(aas_edge_t *edge)
{
return 1;
} //end of the function AAS_KeepFace
//===========================================================================
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
int AAS_OptimizeEdge(optimized_t *optimized, int edgenum)
{
int i, optedgenum;
aas_edge_t *edge, *optedge;
edge = &aasworld.edges[abs(edgenum)];
if (!AAS_KeepEdge(edge)) return 0;
optedgenum = optimized->edgeoptimizeindex[abs(edgenum)];
if (optedgenum)
{
//keep the edge reversed sign
if (edgenum > 0) return optedgenum;
else return -optedgenum;
} //end if
optedge = &optimized->edges[optimized->numedges];
for (i = 0; i < 2; i++)
{
if (optimized->vertexoptimizeindex[edge->v[i]])
{
optedge->v[i] = optimized->vertexoptimizeindex[edge->v[i]];
} //end if
else
{
VectorCopy(aasworld.vertexes[edge->v[i]], optimized->vertexes[optimized->numvertexes]);
optedge->v[i] = optimized->numvertexes;
optimized->vertexoptimizeindex[edge->v[i]] = optimized->numvertexes;
optimized->numvertexes++;
} //end else
} //end for
optimized->edgeoptimizeindex[abs(edgenum)] = optimized->numedges;
optedgenum = optimized->numedges;
optimized->numedges++;
//keep the edge reversed sign
if (edgenum > 0) return optedgenum;
else return -optedgenum;
} //end of the function AAS_OptimizeEdge
//===========================================================================
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
int AAS_KeepFace(aas_face_t *face)
{
if (!(face->faceflags & FACE_LADDER)) return 0;
else return 1;
} //end of the function AAS_KeepFace
//===========================================================================
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
int AAS_OptimizeFace(optimized_t *optimized, int facenum)
{
int i, edgenum, optedgenum, optfacenum;
aas_face_t *face, *optface;
face = &aasworld.faces[abs(facenum)];
if (!AAS_KeepFace(face)) return 0;
optfacenum = optimized->faceoptimizeindex[abs(facenum)];
if (optfacenum)
{
//keep the face side sign
if (facenum > 0) return optfacenum;
else return -optfacenum;
} //end if
optface = &optimized->faces[optimized->numfaces];
Com_Memcpy(optface, face, sizeof(aas_face_t));
optface->numedges = 0;
optface->firstedge = optimized->edgeindexsize;
for (i = 0; i < face->numedges; i++)
{
edgenum = aasworld.edgeindex[face->firstedge + i];
optedgenum = AAS_OptimizeEdge(optimized, edgenum);
if (optedgenum)
{
optimized->edgeindex[optface->firstedge + optface->numedges] = optedgenum;
optface->numedges++;
optimized->edgeindexsize++;
} //end if
} //end for
optimized->faceoptimizeindex[abs(facenum)] = optimized->numfaces;
optfacenum = optimized->numfaces;
optimized->numfaces++;
//keep the face side sign
if (facenum > 0) return optfacenum;
else return -optfacenum;
} //end of the function AAS_OptimizeFace
//===========================================================================
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
void AAS_OptimizeArea(optimized_t *optimized, int areanum)
{
int i, facenum, optfacenum;
aas_area_t *area, *optarea;
area = &aasworld.areas[areanum];
optarea = &optimized->areas[areanum];
Com_Memcpy(optarea, area, sizeof(aas_area_t));
optarea->numfaces = 0;
optarea->firstface = optimized->faceindexsize;
for (i = 0; i < area->numfaces; i++)
{
facenum = aasworld.faceindex[area->firstface + i];
optfacenum = AAS_OptimizeFace(optimized, facenum);
if (optfacenum)
{
optimized->faceindex[optarea->firstface + optarea->numfaces] = optfacenum;
optarea->numfaces++;
optimized->faceindexsize++;
} //end if
} //end for
} //end of the function AAS_OptimizeArea
//===========================================================================
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
void AAS_OptimizeAlloc(optimized_t *optimized)
{
optimized->vertexes = (aas_vertex_t *) GetClearedMemory(aasworld.numvertexes * sizeof(aas_vertex_t));
optimized->numvertexes = 0;
optimized->edges = (aas_edge_t *) GetClearedMemory(aasworld.numedges * sizeof(aas_edge_t));
optimized->numedges = 1; //edge zero is a dummy
optimized->edgeindex = (aas_edgeindex_t *) GetClearedMemory(aasworld.edgeindexsize * sizeof(aas_edgeindex_t));
optimized->edgeindexsize = 0;
optimized->faces = (aas_face_t *) GetClearedMemory(aasworld.numfaces * sizeof(aas_face_t));
optimized->numfaces = 1; //face zero is a dummy
optimized->faceindex = (aas_faceindex_t *) GetClearedMemory(aasworld.faceindexsize * sizeof(aas_faceindex_t));
optimized->faceindexsize = 0;
optimized->areas = (aas_area_t *) GetClearedMemory(aasworld.numareas * sizeof(aas_area_t));
optimized->numareas = aasworld.numareas;
//
optimized->vertexoptimizeindex = (int *) GetClearedMemory(aasworld.numvertexes * sizeof(int));
optimized->edgeoptimizeindex = (int *) GetClearedMemory(aasworld.numedges * sizeof(int));
optimized->faceoptimizeindex = (int *) GetClearedMemory(aasworld.numfaces * sizeof(int));
} //end of the function AAS_OptimizeAlloc
//===========================================================================
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
void AAS_OptimizeStore(optimized_t *optimized)
{
//store the optimized vertexes
if (aasworld.vertexes) FreeMemory(aasworld.vertexes);
aasworld.vertexes = optimized->vertexes;
aasworld.numvertexes = optimized->numvertexes;
//store the optimized edges
if (aasworld.edges) FreeMemory(aasworld.edges);
aasworld.edges = optimized->edges;
aasworld.numedges = optimized->numedges;
//store the optimized edge index
if (aasworld.edgeindex) FreeMemory(aasworld.edgeindex);
aasworld.edgeindex = optimized->edgeindex;
aasworld.edgeindexsize = optimized->edgeindexsize;
//store the optimized faces
if (aasworld.faces) FreeMemory(aasworld.faces);
aasworld.faces = optimized->faces;
aasworld.numfaces = optimized->numfaces;
//store the optimized face index
if (aasworld.faceindex) FreeMemory(aasworld.faceindex);
aasworld.faceindex = optimized->faceindex;
aasworld.faceindexsize = optimized->faceindexsize;
//store the optimized areas
if (aasworld.areas) FreeMemory(aasworld.areas);
aasworld.areas = optimized->areas;
aasworld.numareas = optimized->numareas;
//free optimize indexes
FreeMemory(optimized->vertexoptimizeindex);
FreeMemory(optimized->edgeoptimizeindex);
FreeMemory(optimized->faceoptimizeindex);
} //end of the function AAS_OptimizeStore
//===========================================================================
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
void AAS_Optimize(void)
{
int i, sign;
optimized_t optimized;
AAS_OptimizeAlloc(&optimized);
for (i = 1; i < aasworld.numareas; i++)
{
AAS_OptimizeArea(&optimized, i);
} //end for
//reset the reachability face pointers
for (i = 0; i < aasworld.reachabilitysize; i++)
{
//NOTE: for TRAVEL_ELEVATOR the facenum is the model number of
// the elevator
if ((aasworld.reachability[i].traveltype & TRAVELTYPE_MASK) == TRAVEL_ELEVATOR) continue;
//NOTE: for TRAVEL_JUMPPAD the facenum is the Z velocity and the edgenum is the hor velocity
if ((aasworld.reachability[i].traveltype & TRAVELTYPE_MASK) == TRAVEL_JUMPPAD) continue;
//NOTE: for TRAVEL_FUNCBOB the facenum and edgenum contain other coded information
if ((aasworld.reachability[i].traveltype & TRAVELTYPE_MASK) == TRAVEL_FUNCBOB) continue;
//
sign = aasworld.reachability[i].facenum;
aasworld.reachability[i].facenum = optimized.faceoptimizeindex[abs(aasworld.reachability[i].facenum)];
if (sign < 0) aasworld.reachability[i].facenum = -aasworld.reachability[i].facenum;
sign = aasworld.reachability[i].edgenum;
aasworld.reachability[i].edgenum = optimized.edgeoptimizeindex[abs(aasworld.reachability[i].edgenum)];
if (sign < 0) aasworld.reachability[i].edgenum = -aasworld.reachability[i].edgenum;
} //end for
//store the optimized AAS data into aasworld
AAS_OptimizeStore(&optimized);
//print some nice stuff :)
botimport.Print(PRT_MESSAGE, "AAS data optimized.\n");
} //end of the function AAS_Optimize