mirror of
https://github.com/nillerusr/source-engine.git
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321 lines
9.2 KiB
C++
321 lines
9.2 KiB
C++
//========= Copyright Valve Corporation, All rights reserved. ============//
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//
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// Purpose:
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//
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// $Workfile: $
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// $Date: $
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// $NoKeywords: $
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//===========================================================================//
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#include "quakedef.h"
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#include "world.h"
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#include "eiface.h"
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#include "server.h"
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#include "cmodel_engine.h"
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#include "gl_model_private.h"
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#include "sv_main.h"
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#include "vengineserver_impl.h"
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#include "collisionutils.h"
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#include "vphysics_interface.h"
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#include "ispatialpartitioninternal.h"
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#include "staticpropmgr.h"
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#include "shadowmgr.h"
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#include "string_t.h"
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#include "enginetrace.h"
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#include "sys_dll.h"
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// memdbgon must be the last include file in a .cpp file!!!
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#include "tier0/memdbgon.h"
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//============================================================================
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/*
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===============
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SV_ClearWorld
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===============
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*/
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void SV_ClearWorld (void)
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{
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MDLCACHE_COARSE_LOCK_(g_pMDLCache);
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// Clean up static props from the previous level
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#if !defined( SWDS )
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g_pShadowMgr->LevelShutdown();
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#endif // SWDS
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StaticPropMgr()->LevelShutdown();
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for ( int i = 0; i < 3; i++ )
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{
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if ( host_state.worldmodel->mins[i] < MIN_COORD_INTEGER || host_state.worldmodel->maxs[i] > MAX_COORD_INTEGER )
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{
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Host_EndGame(true, "Map coordinate extents are too large!!\nCheck for errors!\n" );
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}
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}
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SpatialPartition()->Init( host_state.worldmodel->mins, host_state.worldmodel->maxs );
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// Load all static props into the spatial partition
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StaticPropMgr()->LevelInit();
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#if !defined( SWDS )
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g_pShadowMgr->LevelInit( host_state.worldbrush->numsurfaces );
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#endif
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}
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//-----------------------------------------------------------------------------
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// Trigger world-space bounds
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//-----------------------------------------------------------------------------
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static void CM_TriggerWorldSpaceBounds( ICollideable *pCollideable, Vector *pMins, Vector *pMaxs )
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{
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if ( pCollideable->GetSolidFlags() & FSOLID_USE_TRIGGER_BOUNDS )
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{
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pCollideable->WorldSpaceTriggerBounds( pMins, pMaxs );
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}
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else
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{
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CM_WorldSpaceBounds( pCollideable, pMins, pMaxs );
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}
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}
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static void CM_GetCollideableTriggerTestBox( ICollideable *pCollide, Vector *pMins, Vector *pMaxs, bool bUseAccurateBbox )
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{
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if ( bUseAccurateBbox && pCollide->GetSolid() == SOLID_BBOX )
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{
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*pMins = pCollide->OBBMins();
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*pMaxs = pCollide->OBBMaxs();
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}
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else
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{
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const Vector &vecStart = pCollide->GetCollisionOrigin();
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pCollide->WorldSpaceSurroundingBounds( pMins, pMaxs );
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*pMins -= vecStart;
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*pMaxs -= vecStart;
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}
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}
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//-----------------------------------------------------------------------------
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// Little enumeration class used to try touching all triggers
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//-----------------------------------------------------------------------------
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class CTouchLinks : public IPartitionEnumerator
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{
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public:
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CTouchLinks( edict_t* pEnt, const Vector* pPrevAbsOrigin, bool accurateBboxTriggerChecks ) : m_TouchedEntities( 8, 8 )
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{
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m_pEnt = pEnt;
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m_pCollide = pEnt->GetCollideable();
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Assert( m_pCollide );
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Vector vecMins, vecMaxs;
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CM_GetCollideableTriggerTestBox( m_pCollide, &vecMins, &vecMaxs, accurateBboxTriggerChecks );
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const Vector &vecStart = m_pCollide->GetCollisionOrigin();
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if (pPrevAbsOrigin)
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{
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m_Ray.Init( *pPrevAbsOrigin, vecStart, vecMins, vecMaxs );
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}
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else
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{
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m_Ray.Init( vecStart, vecStart, vecMins, vecMaxs );
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}
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}
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IterationRetval_t EnumElement( IHandleEntity *pHandleEntity )
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{
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// Static props should never be in the trigger list
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Assert( !StaticPropMgr()->IsStaticProp( pHandleEntity ) );
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IServerUnknown *pUnk = static_cast<IServerUnknown*>( pHandleEntity );
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Assert( pUnk );
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// Convert the IHandleEntity to an edict_t*...
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// Context is the thing we're testing everything against
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edict_t* pTouch = pUnk->GetNetworkable()->GetEdict();
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// Can't bump against itself
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if ( pTouch == m_pEnt )
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return ITERATION_CONTINUE;
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IServerEntity *pTriggerEntity = pTouch->GetIServerEntity();
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if ( !pTriggerEntity )
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return ITERATION_CONTINUE;
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// Hmmm.. everything in this list should be a trigger....
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ICollideable *pTriggerCollideable = pTriggerEntity->GetCollideable();
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if ( !m_pCollide->ShouldTouchTrigger(pTriggerCollideable->GetSolidFlags()) )
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return ITERATION_CONTINUE;
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Assert(pTriggerCollideable->GetSolidFlags() & FSOLID_TRIGGER );
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if ( pTriggerCollideable->GetSolidFlags() & FSOLID_USE_TRIGGER_BOUNDS )
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{
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Vector vecTriggerMins, vecTriggerMaxs;
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pTriggerCollideable->WorldSpaceTriggerBounds( &vecTriggerMins, &vecTriggerMaxs );
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if ( !IsBoxIntersectingRay( vecTriggerMins, vecTriggerMaxs, m_Ray ) )
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{
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return ITERATION_CONTINUE;
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}
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}
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else
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{
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trace_t tr;
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g_pEngineTraceServer->ClipRayToCollideable( m_Ray, MASK_SOLID, pTriggerCollideable, &tr );
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if ( !(tr.contents & MASK_SOLID) )
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return ITERATION_CONTINUE;
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}
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m_TouchedEntities.AddToTail( pTouch );
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return ITERATION_CONTINUE;
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}
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void HandleTouchedEntities( )
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{
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for ( int i = 0; i < m_TouchedEntities.Count(); ++i )
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{
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serverGameEnts->MarkEntitiesAsTouching( m_TouchedEntities[i], m_pEnt );
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}
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}
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Ray_t m_Ray;
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private:
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edict_t *m_pEnt;
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ICollideable *m_pCollide;
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CUtlVector< edict_t* > m_TouchedEntities;
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};
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// enumerator class that's used to update touch links for a trigger when
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// it moves or changes solid type
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class CTriggerMoved : public IPartitionEnumerator
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{
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public:
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CTriggerMoved( bool accurateBboxTriggerChecks ) : m_TouchedEntities( 8, 8 )
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{
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m_bAccurateBBoxCheck = accurateBboxTriggerChecks;
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}
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void TriggerMoved( edict_t *pTriggerEntity )
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{
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m_pTriggerEntity = pTriggerEntity;
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m_pTrigger = pTriggerEntity->GetCollideable();
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m_triggerSolidFlags = m_pTrigger->GetSolidFlags();
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Vector vecAbsMins, vecAbsMaxs;
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CM_TriggerWorldSpaceBounds( m_pTrigger, &vecAbsMins, &vecAbsMaxs );
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SpatialPartition()->EnumerateElementsInBox( PARTITION_ENGINE_SOLID_EDICTS,
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vecAbsMins, vecAbsMaxs, false, this );
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}
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IterationRetval_t EnumElement( IHandleEntity *pHandleEntity )
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{
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// skip static props, the game DLL doesn't care about them
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if ( StaticPropMgr()->IsStaticProp( pHandleEntity ) )
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return ITERATION_CONTINUE;
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IServerUnknown *pUnk = static_cast< IServerUnknown* >( pHandleEntity );
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Assert( pUnk );
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// Convert the user ID to and edict_t*...
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edict_t* pTouch = pUnk->GetNetworkable()->GetEdict();
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Assert( pTouch );
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ICollideable *pTouchCollide = pUnk->GetCollideable();
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// Can't ever touch itself because it's in the other list
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if ( pTouchCollide == m_pTrigger )
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return ITERATION_CONTINUE;
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if ( !pTouchCollide->ShouldTouchTrigger(m_triggerSolidFlags) )
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return ITERATION_CONTINUE;
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IServerEntity *serverEntity = pTouch->GetIServerEntity();
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if ( !serverEntity )
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return ITERATION_CONTINUE;
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// FIXME: Should we be using the surrounding bounds here?
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Vector vecMins, vecMaxs;
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CM_GetCollideableTriggerTestBox( pTouchCollide, &vecMins, &vecMaxs, m_bAccurateBBoxCheck );
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const Vector &vecStart = pTouchCollide->GetCollisionOrigin();
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Ray_t ray;
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ray.Init( vecStart, vecStart, vecMins, vecMaxs );
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if ( m_pTrigger->GetSolidFlags() & FSOLID_USE_TRIGGER_BOUNDS )
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{
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Vector vecTriggerMins, vecTriggerMaxs;
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m_pTrigger->WorldSpaceTriggerBounds( &vecTriggerMins, &vecTriggerMaxs );
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if ( !IsBoxIntersectingRay( vecTriggerMins, vecTriggerMaxs, ray ) )
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{
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return ITERATION_CONTINUE;
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}
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}
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else
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{
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trace_t tr;
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g_pEngineTraceServer->ClipRayToCollideable( ray, MASK_SOLID, m_pTrigger, &tr );
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if ( !(tr.contents & MASK_SOLID) )
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return ITERATION_CONTINUE;
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}
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m_TouchedEntities.AddToTail( pTouch );
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return ITERATION_CONTINUE;
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}
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void HandleTouchedEntities( )
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{
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for ( int i = 0; i < m_TouchedEntities.Count(); ++i )
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{
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serverGameEnts->MarkEntitiesAsTouching( m_TouchedEntities[i], m_pTriggerEntity );
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}
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}
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private:
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edict_t* m_pTriggerEntity;
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ICollideable* m_pTrigger;
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int m_triggerSolidFlags;
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Vector m_vecDelta;
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CUtlVector< edict_t* > m_TouchedEntities;
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bool m_bAccurateBBoxCheck;
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};
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//-----------------------------------------------------------------------------
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// Touches triggers. Or, if it is a trigger, causes other things to touch it
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// returns true if untouch needs to be checked
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//-----------------------------------------------------------------------------
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void SV_TriggerMoved( edict_t *pTriggerEnt, bool accurateBboxTriggerChecks )
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{
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CTriggerMoved triggerEnum( accurateBboxTriggerChecks );
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triggerEnum.TriggerMoved( pTriggerEnt );
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triggerEnum.HandleTouchedEntities( );
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}
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void SV_SolidMoved( edict_t *pSolidEnt, ICollideable *pSolidCollide, const Vector* pPrevAbsOrigin, bool accurateBboxTriggerChecks )
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{
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if (!pPrevAbsOrigin)
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{
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CTouchLinks touchEnumerator(pSolidEnt, NULL, accurateBboxTriggerChecks);
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Vector vecWorldMins, vecWorldMaxs;
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pSolidCollide->WorldSpaceSurroundingBounds( &vecWorldMins, &vecWorldMaxs );
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SpatialPartition()->EnumerateElementsInBox( PARTITION_ENGINE_TRIGGER_EDICTS,
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vecWorldMins, vecWorldMaxs, false, &touchEnumerator );
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touchEnumerator.HandleTouchedEntities( );
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}
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else
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{
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CTouchLinks touchEnumerator(pSolidEnt, pPrevAbsOrigin, accurateBboxTriggerChecks);
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// A version that checks against an extruded ray indicating the motion
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SpatialPartition()->EnumerateElementsAlongRay( PARTITION_ENGINE_TRIGGER_EDICTS,
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touchEnumerator.m_Ray, false, &touchEnumerator );
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touchEnumerator.HandleTouchedEntities( );
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}
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}
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