381 lines
18 KiB
C
381 lines
18 KiB
C
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// Copyright (C) 2007 Id Software, Inc.
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//
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#ifndef __CLIP_H__
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#define __CLIP_H__
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const int CLIPSECTOR_DEPTH = 5;
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const int CLIPSECTOR_WIDTH = 1 << CLIPSECTOR_DEPTH;
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/*
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===============================================================================
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Handles collision detection with the world and between clip models.
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===============================================================================
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*/
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#define CLIPMODEL_ID_TO_JOINT_HANDLE( id ) ( ( id ) >= 0 ? INVALID_JOINT : ((jointHandle_t) ( -1 - id )) )
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#define JOINT_HANDLE_TO_CLIPMODEL_ID( id ) ( -1 - id )
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#define INVALID_BODY ( -1 )
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class idClipModel;
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class idEntity;
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class idBounds;
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class sdLadderEntity;
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struct clipSector_t {
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int contents;
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struct clipLink_t * clipLinks;
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};
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typedef idBlockAlloc<clipLink_t, 1024> idClipLinkBlockAlloc;
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struct clipLink_t {
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idClipModel * clipModel;
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clipSector_t * sector;
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clipLink_t * prevInSector;
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clipLink_t * nextInSector;
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clipLink_t * nextLink;
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};
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//#define CLIP_DEBUG
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#ifdef CLIP_DEBUG
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// CLIP_DEBUG_EXTREME this enables per-frame trace logging, for spike hunting
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//#define CLIP_DEBUG_EXTREME
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#define CLIP_DEBUG_PARMS_DECLARATION const char* clipDebugFileName, int clipDebugLineNum,
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#define CLIP_DEBUG_PARMS_DECLARATION_ONLY const char* clipDebugFileName, int clipDebugLineNum
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#define CLIP_DEBUG_PARMS __FILE__, __LINE__,
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#define CLIP_DEBUG_PARMS_ONLY __FILE__, __LINE__
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#define CLIP_DEBUG_PARMS_PASSTHRU clipDebugFileName, clipDebugLineNum,
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#define CLIP_DEBUG_PARMS_PASSTHRU_ONLY clipDebugFileName, clipDebugLineNum
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#define CLIP_DEBUG_PARMS_SCRIPT gameLocal.program->GetCurrentThread()->CurrentFile(), gameLocal.program->GetCurrentThread()->CurrentLine(),
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#define CLIP_DEBUG_PARMS_ENTINFO_ONLY( ent ) \
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( ent != NULL ? ( \
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ent->IsType( rvClientPhysics::Type ) ? ( \
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( ( rvClientPhysics* )ent )->GetCurrentClientEntity()->GetSpawnArgs() != NULL ? ( \
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va( "%s - %s", __FILE__, ( ( rvClientPhysics* )ent )->GetCurrentClientEntity()->GetSpawnArgs()->GetString( "classname" ) ) \
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) : va( "%s - misc rvClientEntity", __FILE__ ) \
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) : va( "%s - %s", __FILE__, ent->spawnArgs.GetString( "classname" ) ) \
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) : va( "%s - NULL", __FILE__ ) ), __LINE__
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#define CLIP_DEBUG_PARMS_ENTINFO( ent ) CLIP_DEBUG_PARMS_ENTINFO_ONLY( ent ),
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#define CLIP_DEBUG_PARMS_CLIENTINFO_ONLY( ent ) \
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( ent != NULL ? ( \
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ent == gameLocal.GetLocalPlayer() ? \
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va( "%s - local client", __FILE__ ) \
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: va( "%s - non-local", __FILE__ ) \
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) : va( "%s - NULL", __FILE__ ) ), __LINE__
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#define CLIP_DEBUG_PARMS_CLIENTINFO( ent ) CLIP_DEBUG_PARMS_CLIENTINFO_ONLY( ent ),
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enum clipTimerMode_t {
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CTM_TRANSLATION,
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CTM_ROTATION,
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CTM_CONTACTS,
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CTM_CONTENTS,
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CTM_CLIPMODELSTOUCHINGBOUNDS,
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CTM_FINDLADDER,
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CTM_FINDWATER,
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CTM_NUM,
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};
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struct clipTimerInfo_t {
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int lineNumber;
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int count;
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double time;
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};
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struct clipTimerFrameInfo_t {
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int count;
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double elapsedTime;
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};
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#define CLIP_DEBUG_MAX_FRAMES 8192
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struct clipTimerInfoExtreme_t {
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// int lineNumber;
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clipTimerFrameInfo_t frameInfo[ CLIP_DEBUG_MAX_FRAMES ];
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};
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#else
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#define CLIP_DEBUG_PARMS_DECLARATION
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#define CLIP_DEBUG_PARMS_DECLARATION_ONLY void
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#define CLIP_DEBUG_PARMS
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#define CLIP_DEBUG_PARMS_ONLY
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#define CLIP_DEBUG_PARMS_PASSTHRU
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#define CLIP_DEBUG_PARMS_PASSTHRU_ONLY
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#define CLIP_DEBUG_PARMS_SCRIPT
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#define CLIP_DEBUG_PARMS_ENTINFO_ONLY( ent )
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#define CLIP_DEBUG_PARMS_ENTINFO( ent )
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#define CLIP_DEBUG_PARMS_CLIENTINFO_ONLY( ent )
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#define CLIP_DEBUG_PARMS_CLIENTINFO( ent )
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#endif // CLIP_DEBUG
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class idClip {
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public:
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idClip( void );
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void Init( void );
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void Shutdown( void );
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// clip versus the rest of the world
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bool Translation( CLIP_DEBUG_PARMS_DECLARATION trace_t &results, const idVec3 &start, const idVec3 &end,
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const idClipModel *mdl, const idMat3 &trmAxis, int contentMask, const idEntity *passEntity, traceMode_t traceMode = TM_DEFAULT, float forceRadius = -1.f );
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bool Rotation( CLIP_DEBUG_PARMS_DECLARATION trace_t &results, const idVec3 &start, const idRotation &rotation,
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const idClipModel *mdl, const idMat3 &trmAxis, int contentMask, const idEntity *passEntity, traceMode_t traceMode = TM_DEFAULT );
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bool Motion( CLIP_DEBUG_PARMS_DECLARATION trace_t &results, const idVec3 &start, const idVec3 &end, const idRotation &rotation,
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const idClipModel *mdl, const idMat3 &trmAxis, int contentMask, const idEntity *passEntity, traceMode_t traceMode = TM_DEFAULT );
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int Contacts( CLIP_DEBUG_PARMS_DECLARATION contactInfo_t *contacts, const int maxContacts, const idVec3 &start, const idVec3 *dir, const float depth,
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const idClipModel *mdl, const idMat3 &trmAxis, int contentMask, const idEntity *passEntity, traceMode_t traceMode = TM_DEFAULT );
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int Contents( CLIP_DEBUG_PARMS_DECLARATION const idVec3 &start,
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const idClipModel *mdl, const idMat3 &trmAxis, int contentMask, const idEntity *passEntity, traceMode_t traceMode = TM_DEFAULT );
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// special case translations versus the rest of the world
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bool TracePoint( CLIP_DEBUG_PARMS_DECLARATION trace_t &results, const idVec3 &start, const idVec3 &end,
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int contentMask, const idEntity *passEntity, traceMode_t traceMode = TM_DEFAULT, float forceRadius = -1.f );
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bool TraceBounds( CLIP_DEBUG_PARMS_DECLARATION trace_t &results, const idVec3 &start, const idVec3 &end, const idBounds &bounds,
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const idMat3& axis, int contentMask, const idEntity *passEntity, traceMode_t traceMode = TM_DEFAULT );
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bool TracePointExt( CLIP_DEBUG_PARMS_DECLARATION trace_t &results, const idVec3 &start, const idVec3 &end,
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int contentMask, const idEntity *passEntity1, const idEntity *passEntity2, traceMode_t traceMode = TM_DEFAULT );
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// clip versus a specific model
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void TranslationModel( CLIP_DEBUG_PARMS_DECLARATION trace_t &results, const idVec3 &start, const idVec3 &end,
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const idClipModel *trm, const idMat3 &trmAxis, int contentMask,
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const idClipModel *model, const idVec3 &modelOrigin, const idMat3 &modelAxis );
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void RotationModel( CLIP_DEBUG_PARMS_DECLARATION trace_t &results, const idVec3 &start, const idRotation &rotation,
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const idClipModel *trm, const idMat3 &trmAxis, int contentMask,
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const idClipModel *model, const idVec3 &modelOrigin, const idMat3 &modelAxis );
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int ContactsModel( CLIP_DEBUG_PARMS_DECLARATION contactInfo_t *contacts, const int maxContacts, const idVec3 &start, const idVec3 *dir, const float depth,
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const idClipModel *trm, const idMat3 &trmAxis, int contentMask,
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const idClipModel *model, const idVec3 &modelOrigin, const idMat3 &modelAxis );
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int ContentsModel( CLIP_DEBUG_PARMS_DECLARATION const idVec3 &start,
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const idClipModel *trm, const idMat3 &trmAxis, int contentMask,
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const idClipModel *model, const idVec3 &modelOrigin, const idMat3 &modelAxis );
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// clip versus the world but not the entities
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void TranslationWorld( CLIP_DEBUG_PARMS_DECLARATION trace_t &results, const idVec3 &start, const idVec3 &end,
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const idClipModel *trm, const idMat3 &trmAxis, int contentMask );
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int ContentsWorld( CLIP_DEBUG_PARMS_DECLARATION const idVec3 &start,
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const idClipModel *trm, const idMat3 &trmAxis, int contentMask );
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// clip versus all entities but not the world
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bool TranslationEntities( CLIP_DEBUG_PARMS_DECLARATION trace_t &results, const idVec3 &start, const idVec3 &end,
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const idClipModel *mdl, const idMat3 &trmAxis, int contentMask, const idEntity *passEntity, traceMode_t traceMode = TM_DEFAULT );
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// trace against a single render model
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void TraceRenderModel( trace_t &trace, const idVec3 &start, const idVec3 &end, const float radius, const idMat3 &axis, int contentMask, idClipModel *touch );
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int EntitiesForTranslation( CLIP_DEBUG_PARMS_DECLARATION const idVec3 &start, const idVec3 &end, int contentMask, const idEntity* passEntity, idEntity** entities, int maxEntities, traceMode_t traceMode = TM_DEFAULT );
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// get a contact feature
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bool GetModelContactFeature( const contactInfo_t &contact, const idClipModel *clipModel, idFixedWinding &winding ) const;
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// get entities/clip models within or touching the given bounds
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int EntitiesTouchingBounds( const idBounds& bounds, int contentMask, idEntity **entityList, int maxCount, bool nowarning = false ) const;
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int EntitiesTouchingBounds( const idBounds& bounds, int contentMask, idEntity **entityList, int maxCount, const idTypeInfo& type, bool nowarning = false ) const;
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int EntitiesTouchingRadius( const idSphere& sphere, int contentMask, idEntity **entityList, int maxCount, bool nowarning ) const;
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int ClipModelsTouchingBounds( CLIP_DEBUG_PARMS_DECLARATION const idBounds& bounds, int contentMask, const idClipModel **clipModelList, int maxCount, const idEntity* passEntity, bool includeWorld = false ) const;
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//idClipModel * GetWorld( void ) const { return world; }
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const idBounds& GetWorldBounds( void ) const;
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void GetWorldBounds( idBounds& bounds, int surfaceMask, bool inclusive ) const;
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idClipModel * DefaultClipModel( void );
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// stats and debug drawing
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void PrintStatistics( void );
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void DrawWorld( float radius );
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void DrawClipModels( const idVec3 &viewOrigin, const idMat3 &viewAxis, const float radius, const idEntity *passEntity );
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bool DrawModelContactFeature( const contactInfo_t &contact, const idClipModel *clipModel, int lifetime ) const;
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void CoordsForBounds( int* coords, const idBounds& bounds ) const;
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void DrawClipSectors( void ) const;
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void DrawAreaClipSectors( float range ) const;
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idClipLinkBlockAlloc& GetClipLinkAllocator( void ) { return clipLinkAllocator; }
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clipSector_t* GetClipSectors( void ) { return clipSectors; }
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void PrecacheModel( const char* clipModelName );
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bool LoadTraceModel( const char* clipModelName, idTraceModel& trm );
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int FindLadder( CLIP_DEBUG_PARMS_DECLARATION const idBounds& bounds, sdLadderEntity** ladders, int maxLadders );
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int FindWater( CLIP_DEBUG_PARMS_DECLARATION const idBounds& bounds, const idClipModel** clipModelList, int maxCount );
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// each thread will have to allocate
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void AllocThread( void );
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void FreeThread( void );
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int GetThreadCount( void );
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// lock linking for multi-threading
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void Lock( void ) const { lock.Acquire(); }
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void Unlock( void ) const { lock.Release(); }
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void DeleteClipModel( idClipModel *clipModel );
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void ThreadDeleteClipModels( void );
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void ActuallyDeleteClipModels( bool force = false );
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#ifdef CLIP_DEBUG
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void LogTrace( const char* fileName, int lineNumber, double time, clipTimerMode_t mode );
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void PrintTraceTimings( void );
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void ClearTraceTimings( void );
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#endif // CLIP_DEBUG
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#ifdef CLIP_DEBUG_EXTREME
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void LogTraceExtreme( const char* fileName, int lineNumber, double time, clipTimerMode_t mode );
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void StartTraceLogging( void );
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void StopTraceLogging( void );
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bool IsTraceLogging( void ) { return isTraceLogging; }
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void UpdateTraceLogging( void );
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void DumpTraceLog( void );
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void DumpTraceLog( int mode );
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void AssembleTraceLogs( void );
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void AssembleTraceLogs( int mode );
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#endif // CLIP_DEBUG_EXTREME
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const idClipModel* GetTemporaryClipModel( const idBounds& bounds );
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const idClipModel* GetThirdPersonOffsetModel( void );
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const idClipModel* GetBigThirdPersonOffsetModel( void );
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const idClipModel* GetLeanOffsetModel( void );
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private:
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idVec3 nodeScale;
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idVec3 inverseNodeScale;
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idVec3 nodeOffset;
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idClipLinkBlockAlloc clipLinkAllocator;
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idBounds worldBounds;
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idList< idClipModel* > worldClips;
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idClipModel* temporaryClipModel;
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idClipModel* thirdPersonOffsetModel;
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idClipModel* bigThirdPersonOffsetModel;
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idClipModel* leanOffsetModel;
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idClipModel* defaultClipModel;
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#ifdef CLIP_DEBUG
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idHashMap< idList< clipTimerInfo_t > > clipTimerInfo[ CTM_NUM ];
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#endif // CLIP_DEBUG
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#ifdef CLIP_DEBUG_EXTREME
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idHashMap< clipTimerInfoExtreme_t* > clipTimerInfoExtreme[ CTM_NUM ];
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int clipTimerSampleTimes[ CLIP_DEBUG_MAX_FRAMES ];
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int clipSampleUpto;
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int logSubFileUpto;
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int logFileUpto;
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bool isTraceLogging;
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#endif
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clipSector_t * clipSectors;
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// statistics
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int numTranslations;
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int numRotations;
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int numMotions;
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int numRenderModelTraces;
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int numContents;
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int numContacts;
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idClipModel * deletedClipModels;
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mutable sdLock lock; // lock for multi-threading
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static unsigned int mailBoxID;
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private:
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clipSector_t* CreateClipSectors( const int depth, const idBounds &bounds );
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int GetTraceClipModels( const idVec3& start, const idVec3& end, int contentMask, const idEntity* passEntity, idClipModel** clipModelList, traceMode_t traceMode ) const;
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int GetTraceClipModels( const idBounds &bounds, int contentMask, const idEntity *passEntity, idClipModel** clipModelList, traceMode_t traceMode ) const;
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int GetTraceClipModelsExt( const idVec3& start, const idVec3& end, int contentMask, const idEntity* passEntity1, const idEntity *passEntity2, idClipModel** clipModelList, traceMode_t traceMode ) const;
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void GetClipSectorsStaticContents( void );
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bool TestHugeTranslation( trace_t &results, const idClipModel *mdl, const idVec3 &start, const idVec3 &end, const idMat3 &trmAxis ) const;
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bool TranslationClipModel( CLIP_DEBUG_PARMS_DECLARATION trace_t &results, const idVec3 &start, const idVec3 &end,
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const idTraceModel *trm, const idMat3 &trmAxis, int contentMask, const idClipModel *mdl );
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bool RotationClipModel( CLIP_DEBUG_PARMS_DECLARATION trace_t &results, const idVec3 &start, const idRotation &rotation,
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const idTraceModel *trm, const idMat3 &trmAxis, int contentMask, const idClipModel *mdl );
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int ContactsClipModel( CLIP_DEBUG_PARMS_DECLARATION contactInfo_t *contacts, const int maxContacts, const idVec3 &start, const idVec3 *dir, const float depth,
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const idTraceModel *trm, const idMat3 &trmAxis, int contentMask, const idClipModel *mdl );
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int ContentsClipModel( CLIP_DEBUG_PARMS_DECLARATION const idVec3 &start,
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const idTraceModel *trm, const idMat3 &trmAxis, int contentMask, const idClipModel *mdl );
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// the raw versions of these functions - they don't attempt to correct non-orthonormal axes
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bool RotationInternal( CLIP_DEBUG_PARMS_DECLARATION trace_t &results, const idVec3 &start, const idRotation &rotation,
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const idClipModel *mdl, const idMat3 &trmAxis, int contentMask, const idEntity *passEntity, traceMode_t traceMode );
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bool MotionInternal( CLIP_DEBUG_PARMS_DECLARATION trace_t &results, const idVec3 &start, const idVec3 &end, const idRotation &rotation,
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const idClipModel *mdl, const idMat3 &trmAxis, int contentMask, const idEntity *passEntity, traceMode_t traceMode );
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void RotationModelInternal( CLIP_DEBUG_PARMS_DECLARATION trace_t &results, const idVec3 &start, const idRotation &rotation,
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const idClipModel *trm, const idMat3 &trmAxis, int contentMask,
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const idClipModel *model, const idVec3 &modelOrigin, const idMat3 &modelAxis );
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};
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ID_INLINE bool idClip::TracePoint( CLIP_DEBUG_PARMS_DECLARATION trace_t &results, const idVec3 &start, const idVec3 &end, int contentMask, const idEntity *passEntity, traceMode_t traceMode, float forceRadius ) {
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Translation( CLIP_DEBUG_PARMS_PASSTHRU results, start, end, NULL, mat3_identity, contentMask, passEntity, traceMode, forceRadius );
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return ( results.fraction < 1.0f );
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}
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ID_INLINE idClipModel *idClip::DefaultClipModel( void ) {
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return defaultClipModel;
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}
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ID_INLINE void idClip::CoordsForBounds( int* coords, const idBounds& bounds ) const {
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float fCoords[ 4 ];
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fCoords[ 0 ] = ( bounds[ 0 ].x - nodeOffset.x ) * nodeScale.x;
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fCoords[ 1 ] = ( bounds[ 0 ].y - nodeOffset.y ) * nodeScale.y;
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fCoords[ 2 ] = ( bounds[ 1 ].x - nodeOffset.x ) * nodeScale.x;
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fCoords[ 3 ] = ( bounds[ 1 ].y - nodeOffset.y ) * nodeScale.y;
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coords[ 0 ] = idMath::ClampInt( 0, CLIPSECTOR_WIDTH - 1, idMath::Ftoi( fCoords[ 0 ] ) );
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coords[ 1 ] = idMath::ClampInt( 0, CLIPSECTOR_WIDTH - 1, idMath::Ftoi( fCoords[ 1 ] ) );
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coords[ 2 ] = idMath::ClampInt( 0, CLIPSECTOR_WIDTH - 1, idMath::Ftoi( fCoords[ 2 ] ) ) + 1;
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coords[ 3 ] = idMath::ClampInt( 0, CLIPSECTOR_WIDTH - 1, idMath::Ftoi( fCoords[ 3 ] ) ) + 1;
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}
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ID_INLINE bool idClip::Rotation( CLIP_DEBUG_PARMS_DECLARATION trace_t &results, const idVec3 &start, const idRotation &rotation,
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const idClipModel *mdl, const idMat3 &trmAxis, int contentMask, const idEntity *passEntity, traceMode_t traceMode ) {
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|
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if ( RotationInternal( CLIP_DEBUG_PARMS_PASSTHRU results, start, rotation, mdl, trmAxis, contentMask, passEntity, traceMode ) ) {
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// ensure that non-orthonormal axes don't creep their way into the physics
|
||
|
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results.endAxis.OrthoNormalizeSelf();
|
||
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return true;
|
||
|
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}
|
||
|
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return false;
|
||
|
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}
|
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|
||
|
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ID_INLINE bool idClip::Motion( CLIP_DEBUG_PARMS_DECLARATION trace_t &results, const idVec3 &start, const idVec3 &end, const idRotation &rotation,
|
||
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const idClipModel *mdl, const idMat3 &trmAxis, int contentMask, const idEntity *passEntity, traceMode_t traceMode ) {
|
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|
||
|
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if ( MotionInternal( CLIP_DEBUG_PARMS_PASSTHRU results, start, end, rotation, mdl, trmAxis, contentMask, passEntity, traceMode ) ) {
|
||
|
|
// ensure that non-orthonormal axes don't creep their way into the physics
|
||
|
|
results.endAxis.OrthoNormalizeSelf();
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
return false;
|
||
|
|
}
|
||
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|
||
|
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ID_INLINE void idClip::RotationModel( CLIP_DEBUG_PARMS_DECLARATION trace_t &results, const idVec3 &start, const idRotation &rotation,
|
||
|
|
const idClipModel *trm, const idMat3 &trmAxis, int contentMask,
|
||
|
|
const idClipModel *model, const idVec3 &modelOrigin, const idMat3 &modelAxis ) {
|
||
|
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|
||
|
|
RotationModelInternal( CLIP_DEBUG_PARMS_PASSTHRU results, start, rotation, trm, trmAxis, contentMask, model, modelOrigin, modelAxis );
|
||
|
|
if ( results.fraction < 1.0f ) {
|
||
|
|
// ensure that non-orthonormal axes don't creep their way into the physics
|
||
|
|
results.endAxis.OrthoNormalizeSelf();
|
||
|
|
}
|
||
|
|
}
|
||
|
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|
||
|
|
#endif /* !__CLIP_H__ */
|