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526 lines
16 KiB
C
526 lines
16 KiB
C
/*
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===========================================================================
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Return to Castle Wolfenstein single player GPL Source Code
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Copyright (C) 1999-2010 id Software LLC, a ZeniMax Media company.
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This file is part of the Return to Castle Wolfenstein single player GPL Source Code (RTCW SP Source Code).
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RTCW SP Source Code is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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RTCW SP Source Code is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with RTCW SP Source Code. If not, see <http://www.gnu.org/licenses/>.
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In addition, the RTCW SP Source Code is also subject to certain additional terms. You should have received a copy of these additional terms immediately following the terms and conditions of the GNU General Public License which accompanied the RTCW SP Source Code. If not, please request a copy in writing from id Software at the address below.
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If you have questions concerning this license or the applicable additional terms, you may contact in writing id Software LLC, c/o ZeniMax Media Inc., Suite 120, Rockville, Maryland 20850 USA.
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===========================================================================
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*/
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/*****************************************************************************
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* name: be_aas_bspq3.c
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*
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* desc: BSP, Environment Sampling
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*
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*
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*****************************************************************************/
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#include "../game/q_shared.h"
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#include "l_memory.h"
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#include "l_script.h"
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#include "l_precomp.h"
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#include "l_struct.h"
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#include "aasfile.h"
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#include "../game/botlib.h"
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#include "../game/be_aas.h"
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#include "be_aas_funcs.h"
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#include "be_aas_def.h"
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extern botlib_import_t botimport;
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//#define TRACE_DEBUG
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#define ON_EPSILON 0.005
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//#define DEG2RAD( a ) (( a * M_PI ) / 180.0F)
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#define MAX_BSPENTITIES 2048
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typedef struct rgb_s
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{
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int red;
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int green;
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int blue;
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} rgb_t;
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//bsp entity epair
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typedef struct bsp_epair_s
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{
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char *key;
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char *value;
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struct bsp_epair_s *next;
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} bsp_epair_t;
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//bsp data entity
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typedef struct bsp_entity_s
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{
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bsp_epair_t *epairs;
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} bsp_entity_t;
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//id Sofware BSP data
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typedef struct bsp_s
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{
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//true when bsp file is loaded
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int loaded;
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//entity data
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int entdatasize;
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char *dentdata;
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//bsp entities
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int numentities;
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bsp_entity_t entities[MAX_BSPENTITIES];
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//memory used for strings and epairs
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byte *ebuffer;
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} bsp_t;
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//global bsp
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bsp_t bspworld;
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#ifdef BSP_DEBUG
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typedef struct cname_s
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{
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int value;
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char *name;
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} cname_t;
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cname_t contentnames[] =
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{
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{CONTENTS_SOLID,"CONTENTS_SOLID"},
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{CONTENTS_WINDOW,"CONTENTS_WINDOW"},
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{CONTENTS_AUX,"CONTENTS_AUX"},
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{CONTENTS_LAVA,"CONTENTS_LAVA"},
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{CONTENTS_SLIME,"CONTENTS_SLIME"},
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{CONTENTS_WATER,"CONTENTS_WATER"},
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{CONTENTS_MIST,"CONTENTS_MIST"},
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{LAST_VISIBLE_CONTENTS,"LAST_VISIBLE_CONTENTS"},
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{CONTENTS_AREAPORTAL,"CONTENTS_AREAPORTAL"},
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{CONTENTS_PLAYERCLIP,"CONTENTS_PLAYERCLIP"},
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{CONTENTS_MONSTERCLIP,"CONTENTS_MONSTERCLIP"},
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{CONTENTS_CURRENT_0,"CONTENTS_CURRENT_0"},
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{CONTENTS_CURRENT_90,"CONTENTS_CURRENT_90"},
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{CONTENTS_CURRENT_180,"CONTENTS_CURRENT_180"},
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{CONTENTS_CURRENT_270,"CONTENTS_CURRENT_270"},
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{CONTENTS_CURRENT_UP,"CONTENTS_CURRENT_UP"},
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{CONTENTS_CURRENT_DOWN,"CONTENTS_CURRENT_DOWN"},
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{CONTENTS_ORIGIN,"CONTENTS_ORIGIN"},
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{CONTENTS_MONSTER,"CONTENTS_MONSTER"},
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{CONTENTS_DEADMONSTER,"CONTENTS_DEADMONSTER"},
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{CONTENTS_DETAIL,"CONTENTS_DETAIL"},
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{CONTENTS_TRANSLUCENT,"CONTENTS_TRANSLUCENT"},
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{CONTENTS_LADDER,"CONTENTS_LADDER"},
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{0, 0}
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};
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void PrintContents( int contents ) {
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int i;
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for ( i = 0; contentnames[i].value; i++ )
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{
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if ( contents & contentnames[i].value ) {
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botimport.Print( PRT_MESSAGE, "%s\n", contentnames[i].name );
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} //end if
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} //end for
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} //end of the function PrintContents
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#endif //BSP_DEBUG
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//===========================================================================
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// traces axial boxes of any size through the world
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//
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// Parameter: -
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// Returns: -
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// Changes Globals: -
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//===========================================================================
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bsp_trace_t AAS_Trace( vec3_t start, vec3_t mins, vec3_t maxs, vec3_t end, int passent, int contentmask ) {
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bsp_trace_t bsptrace;
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botimport.Trace( &bsptrace, start, mins, maxs, end, passent, contentmask );
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return bsptrace;
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} //end of the function AAS_Trace
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//===========================================================================
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// returns the contents at the given point
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//
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// Parameter: -
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// Returns: -
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// Changes Globals: -
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//===========================================================================
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int AAS_PointContents( vec3_t point ) {
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return botimport.PointContents( point );
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} //end of the function AAS_PointContents
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//===========================================================================
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//
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// Parameter: -
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// Returns: -
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// Changes Globals: -
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//===========================================================================
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qboolean AAS_EntityCollision( int entnum,
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vec3_t start, vec3_t boxmins, vec3_t boxmaxs, vec3_t end,
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int contentmask, bsp_trace_t *trace ) {
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bsp_trace_t enttrace;
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botimport.EntityTrace( &enttrace, start, boxmins, boxmaxs, end, entnum, contentmask );
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if ( enttrace.fraction < trace->fraction ) {
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memcpy( trace, &enttrace, sizeof( bsp_trace_t ) );
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return qtrue;
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} //end if
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return qfalse;
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} //end of the function AAS_EntityCollision
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//===========================================================================
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// returns true if in Potentially Hearable Set
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//
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// Parameter: -
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// Returns: -
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// Changes Globals: -
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//===========================================================================
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qboolean AAS_inPVS( vec3_t p1, vec3_t p2 ) {
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return botimport.inPVS( p1, p2 );
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} //end of the function AAS_InPVS
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//===========================================================================
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// returns true if in Potentially Visible Set
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//
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// Parameter: -
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// Returns: -
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// Changes Globals: -
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//===========================================================================
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qboolean AAS_inPHS( vec3_t p1, vec3_t p2 ) {
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return qtrue;
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} //end of the function AAS_inPHS
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//===========================================================================
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//
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// Parameter: -
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// Returns: -
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// Changes Globals: -
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//===========================================================================
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void AAS_BSPModelMinsMaxsOrigin( int modelnum, vec3_t angles, vec3_t mins, vec3_t maxs, vec3_t origin ) {
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botimport.BSPModelMinsMaxsOrigin( modelnum, angles, mins, maxs, origin );
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} //end of the function AAS_BSPModelMinsMaxs
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//===========================================================================
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// unlinks the entity from all leaves
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//
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// Parameter: -
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// Returns: -
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// Changes Globals: -
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//===========================================================================
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void AAS_UnlinkFromBSPLeaves( bsp_link_t *leaves ) {
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} //end of the function AAS_UnlinkFromBSPLeaves
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//===========================================================================
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//
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// Parameter: -
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// Returns: -
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// Changes Globals: -
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//===========================================================================
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bsp_link_t *AAS_BSPLinkEntity( vec3_t absmins, vec3_t absmaxs, int entnum, int modelnum ) {
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return NULL;
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} //end of the function AAS_BSPLinkEntity
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//===========================================================================
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//
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// Parameter: -
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// Returns: -
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// Changes Globals: -
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//===========================================================================
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int AAS_BoxEntities( vec3_t absmins, vec3_t absmaxs, int *list, int maxcount ) {
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return 0;
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} //end of the function AAS_BoxEntities
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//===========================================================================
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//
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// Parameter: -
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// Returns: -
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// Changes Globals: -
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//===========================================================================
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int AAS_NextBSPEntity( int ent ) {
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ent++;
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if ( ent >= 1 && ent < bspworld.numentities ) {
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return ent;
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}
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return 0;
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} //end of the function AAS_NextBSPEntity
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//===========================================================================
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//
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// Parameter: -
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// Returns: -
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// Changes Globals: -
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//===========================================================================
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int AAS_BSPEntityInRange( int ent ) {
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if ( ent <= 0 || ent >= bspworld.numentities ) {
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botimport.Print( PRT_MESSAGE, "bsp entity out of range\n" );
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return qfalse;
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} //end if
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return qtrue;
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} //end of the function AAS_BSPEntityInRange
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//===========================================================================
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//
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// Parameter: -
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// Returns: -
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// Changes Globals: -
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//===========================================================================
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int AAS_ValueForBSPEpairKey( int ent, char *key, char *value, int size ) {
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bsp_epair_t *epair;
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value[0] = '\0';
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if ( !AAS_BSPEntityInRange( ent ) ) {
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return qfalse;
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}
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for ( epair = bspworld.entities[ent].epairs; epair; epair = epair->next )
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{
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if ( !strcmp( epair->key, key ) ) {
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strncpy( value, epair->value, size - 1 );
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value[size - 1] = '\0';
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return qtrue;
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} //end if
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} //end for
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return qfalse;
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} //end of the function AAS_FindBSPEpair
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//===========================================================================
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//
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// Parameter: -
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// Returns: -
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// Changes Globals: -
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//===========================================================================
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int AAS_VectorForBSPEpairKey( int ent, char *key, vec3_t v ) {
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char buf[MAX_EPAIRKEY];
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double v1, v2, v3;
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VectorClear( v );
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if ( !AAS_ValueForBSPEpairKey( ent, key, buf, MAX_EPAIRKEY ) ) {
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return qfalse;
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}
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//scanf into doubles, then assign, so it is vec_t size independent
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v1 = v2 = v3 = 0;
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sscanf( buf, "%lf %lf %lf", &v1, &v2, &v3 );
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v[0] = v1;
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v[1] = v2;
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v[2] = v3;
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return qtrue;
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} //end of the function AAS_VectorForBSPEpairKey
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//===========================================================================
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//
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// Parameter: -
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// Returns: -
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// Changes Globals: -
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//===========================================================================
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int AAS_FloatForBSPEpairKey( int ent, char *key, float *value ) {
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char buf[MAX_EPAIRKEY];
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*value = 0;
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if ( !AAS_ValueForBSPEpairKey( ent, key, buf, MAX_EPAIRKEY ) ) {
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return qfalse;
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}
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*value = atof( buf );
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return qtrue;
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} //end of the function AAS_FloatForBSPEpairKey
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//===========================================================================
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//
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// Parameter: -
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// Returns: -
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// Changes Globals: -
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//===========================================================================
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int AAS_IntForBSPEpairKey( int ent, char *key, int *value ) {
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char buf[MAX_EPAIRKEY];
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*value = 0;
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if ( !AAS_ValueForBSPEpairKey( ent, key, buf, MAX_EPAIRKEY ) ) {
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return qfalse;
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}
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*value = atoi( buf );
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return qtrue;
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} //end of the function AAS_IntForBSPEpairKey
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//===========================================================================
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//
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// Parameter: -
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// Returns: -
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// Changes Globals: -
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//===========================================================================
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void AAS_FreeBSPEntities( void ) {
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// RF, optimized memory allocation
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/*
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int i;
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bsp_entity_t *ent;
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bsp_epair_t *epair, *nextepair;
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for (i = 1; i < bspworld.numentities; i++)
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{
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ent = &bspworld.entities[i];
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for (epair = ent->epairs; epair; epair = nextepair)
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{
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nextepair = epair->next;
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//
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if (epair->key) FreeMemory(epair->key);
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if (epair->value) FreeMemory(epair->value);
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FreeMemory(epair);
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} //end for
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} //end for
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*/
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if ( bspworld.ebuffer ) {
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FreeMemory( bspworld.ebuffer );
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}
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bspworld.numentities = 0;
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} //end of the function AAS_FreeBSPEntities
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//===========================================================================
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//
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// Parameter: -
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// Returns: -
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// Changes Globals: -
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//===========================================================================
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void AAS_ParseBSPEntities( void ) {
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script_t *script;
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token_t token;
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bsp_entity_t *ent;
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bsp_epair_t *epair;
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byte *buffer, *buftrav;
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int bufsize;
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// RF, modified this, so that it first gathers up memory requirements, then allocates a single chunk,
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// and places the strings all in there
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bspworld.ebuffer = NULL;
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script = LoadScriptMemory( bspworld.dentdata, bspworld.entdatasize, "entdata" );
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SetScriptFlags( script, SCFL_NOSTRINGWHITESPACES | SCFL_NOSTRINGESCAPECHARS ); //SCFL_PRIMITIVE);
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bufsize = 0;
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while ( PS_ReadToken( script, &token ) )
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{
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if ( strcmp( token.string, "{" ) ) {
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ScriptError( script, "invalid %s\n", token.string );
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AAS_FreeBSPEntities();
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FreeScript( script );
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return;
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} //end if
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if ( bspworld.numentities >= MAX_BSPENTITIES ) {
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botimport.Print( PRT_MESSAGE, "too many entities in BSP file\n" );
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break;
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} //end if
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while ( PS_ReadToken( script, &token ) )
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{
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if ( !strcmp( token.string, "}" ) ) {
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break;
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}
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bufsize += sizeof( bsp_epair_t );
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if ( token.type != TT_STRING ) {
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ScriptError( script, "invalid %s\n", token.string );
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AAS_FreeBSPEntities();
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FreeScript( script );
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return;
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} //end if
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StripDoubleQuotes( token.string );
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bufsize += strlen( token.string ) + 1;
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if ( !PS_ExpectTokenType( script, TT_STRING, 0, &token ) ) {
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AAS_FreeBSPEntities();
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FreeScript( script );
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return;
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} //end if
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StripDoubleQuotes( token.string );
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bufsize += strlen( token.string ) + 1;
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} //end while
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if ( strcmp( token.string, "}" ) ) {
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ScriptError( script, "missing }\n" );
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AAS_FreeBSPEntities();
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FreeScript( script );
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return;
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} //end if
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} //end while
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FreeScript( script );
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buffer = (byte *)GetClearedHunkMemory( bufsize );
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buftrav = buffer;
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bspworld.ebuffer = buffer;
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// RF, now parse the entities into memory
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// RF, NOTE: removed error checks for speed, no need to do them twice
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script = LoadScriptMemory( bspworld.dentdata, bspworld.entdatasize, "entdata" );
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SetScriptFlags( script, SCFL_NOSTRINGWHITESPACES | SCFL_NOSTRINGESCAPECHARS ); //SCFL_PRIMITIVE);
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bspworld.numentities = 1;
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while ( PS_ReadToken( script, &token ) )
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{
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ent = &bspworld.entities[bspworld.numentities];
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bspworld.numentities++;
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ent->epairs = NULL;
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while ( PS_ReadToken( script, &token ) )
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{
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if ( !strcmp( token.string, "}" ) ) {
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break;
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}
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epair = (bsp_epair_t *) buftrav; buftrav += sizeof( bsp_epair_t );
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epair->next = ent->epairs;
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ent->epairs = epair;
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StripDoubleQuotes( token.string );
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epair->key = (char *) buftrav; buftrav += ( strlen( token.string ) + 1 );
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strcpy( epair->key, token.string );
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if ( !PS_ExpectTokenType( script, TT_STRING, 0, &token ) ) {
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AAS_FreeBSPEntities();
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FreeScript( script );
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return;
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} //end if
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StripDoubleQuotes( token.string );
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epair->value = (char *) buftrav; buftrav += ( strlen( token.string ) + 1 );
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strcpy( epair->value, token.string );
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} //end while
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} //end while
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FreeScript( script );
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} //end of the function AAS_ParseBSPEntities
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//===========================================================================
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//
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// Parameter: -
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// Returns: -
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// Changes Globals: -
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//===========================================================================
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int AAS_BSPTraceLight( vec3_t start, vec3_t end, vec3_t endpos, int *red, int *green, int *blue ) {
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return 0;
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} //end of the function AAS_BSPTraceLight
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//===========================================================================
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//
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// Parameter: -
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// Returns: -
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// Changes Globals: -
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//===========================================================================
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void AAS_DumpBSPData( void ) {
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AAS_FreeBSPEntities();
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if ( bspworld.dentdata ) {
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FreeMemory( bspworld.dentdata );
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}
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bspworld.dentdata = NULL;
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bspworld.entdatasize = 0;
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//
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bspworld.loaded = qfalse;
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memset( &bspworld, 0, sizeof( bspworld ) );
|
||
} //end of the function AAS_DumpBSPData
|
||
//===========================================================================
|
||
// load an bsp file
|
||
//
|
||
// Parameter: -
|
||
// Returns: -
|
||
// Changes Globals: -
|
||
//===========================================================================
|
||
int AAS_LoadBSPFile( void ) {
|
||
AAS_DumpBSPData();
|
||
bspworld.entdatasize = strlen( botimport.BSPEntityData() ) + 1;
|
||
bspworld.dentdata = (char *) GetClearedHunkMemory( bspworld.entdatasize );
|
||
memcpy( bspworld.dentdata, botimport.BSPEntityData(), bspworld.entdatasize );
|
||
AAS_ParseBSPEntities();
|
||
bspworld.loaded = qtrue;
|
||
return BLERR_NOERROR;
|
||
} //end of the function AAS_LoadBSPFile
|