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177 lines
6.4 KiB
177 lines
6.4 KiB
5 years ago
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//========= Copyright Valve Corporation, All rights reserved. ============//
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//
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// Purpose: Pulling CCollisionEvent's definition out of physics.cpp so it can be abstracted upon (for the portal mod)
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//
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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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#ifndef PHYSICS_COLLISIONEVENT_H
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#define PHYSICS_COLLISIONEVENT_H
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#ifdef _WIN32
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#pragma once
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#endif
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#include "physics.h"
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#include "tier1/callqueue.h"
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extern CCallQueue g_PostSimulationQueue;
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struct damageevent_t
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{
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CBaseEntity *pEntity;
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IPhysicsObject *pInflictorPhysics;
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CTakeDamageInfo info;
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bool bRestoreVelocity;
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};
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struct inflictorstate_t
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{
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Vector savedVelocity;
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AngularImpulse savedAngularVelocity;
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IPhysicsObject *pInflictorPhysics;
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float otherMassMax;
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short nextIndex;
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short restored;
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};
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enum
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{
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COLLSTATE_ENABLED = 0,
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COLLSTATE_TRYDISABLE = 1,
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COLLSTATE_TRYNPCSOLVER = 2,
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COLLSTATE_TRYENTITYSOLVER = 3,
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COLLSTATE_DISABLED = 4
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};
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struct penetrateevent_t
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{
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EHANDLE hEntity0;
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EHANDLE hEntity1;
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float startTime;
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float timeStamp;
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int collisionState;
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};
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class CCollisionEvent : public IPhysicsCollisionEvent, public IPhysicsCollisionSolver, public IPhysicsObjectEvent
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{
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public:
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CCollisionEvent();
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friction_t *FindFriction( CBaseEntity *pObject );
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void ShutdownFriction( friction_t &friction );
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void FrameUpdate();
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void LevelShutdown( void );
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// IPhysicsCollisionEvent
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void PreCollision( vcollisionevent_t *pEvent );
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void PostCollision( vcollisionevent_t *pEvent );
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void Friction( IPhysicsObject *pObject, float energy, int surfaceProps, int surfacePropsHit, IPhysicsCollisionData *pData );
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void StartTouch( IPhysicsObject *pObject1, IPhysicsObject *pObject2, IPhysicsCollisionData *pTouchData );
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void EndTouch( IPhysicsObject *pObject1, IPhysicsObject *pObject2, IPhysicsCollisionData *pTouchData );
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void FluidStartTouch( IPhysicsObject *pObject, IPhysicsFluidController *pFluid );
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void FluidEndTouch( IPhysicsObject *pObject, IPhysicsFluidController *pFluid );
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void PostSimulationFrame();
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void ObjectEnterTrigger( IPhysicsObject *pTrigger, IPhysicsObject *pObject );
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void ObjectLeaveTrigger( IPhysicsObject *pTrigger, IPhysicsObject *pObject );
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bool GetTriggerEvent( triggerevent_t *pEvent, CBaseEntity *pTriggerEntity );
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void BufferTouchEvents( bool enable ) { m_bBufferTouchEvents = enable; }
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virtual void AddDamageEvent( CBaseEntity *pEntity, const CTakeDamageInfo &info, IPhysicsObject *pInflictorPhysics, bool bRestoreVelocity, const Vector &savedVel, const AngularImpulse &savedAngVel );
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void AddImpulseEvent( IPhysicsObject *pPhysicsObject, const Vector &vecCenterForce, const AngularImpulse &vecCenterTorque );
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void AddSetVelocityEvent( IPhysicsObject *pPhysicsObject, const Vector &vecVelocity );
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void AddRemoveObject(IServerNetworkable *pRemove);
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void FlushQueuedOperations();
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// IPhysicsCollisionSolver
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int ShouldCollide( IPhysicsObject *pObj0, IPhysicsObject *pObj1, void *pGameData0, void *pGameData1 );
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int ShouldSolvePenetration( IPhysicsObject *pObj0, IPhysicsObject *pObj1, void *pGameData0, void *pGameData1, float dt );
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bool ShouldFreezeObject( IPhysicsObject *pObject );
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static const char *ModuleName() { return CBaseEntity::IsServer() ? "SERVER" : "CLIENT"; }
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int AdditionalCollisionChecksThisTick( int currentChecksDone )
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{
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//CallbackContext check(this);
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if ( currentChecksDone < 1200 )
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{
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DevMsg(1,"%s: VPhysics Collision detection getting expensive, check for too many convex pieces!\n", ModuleName());
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return 1200 - currentChecksDone;
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}
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DevMsg(1,"%s: VPhysics exceeded collision check limit (%d)!!!\nInterpenetration may result!\n", ModuleName(), currentChecksDone );
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return 0;
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}
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bool ShouldFreezeContacts( IPhysicsObject **pObjectList, int objectCount );
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// IPhysicsObjectEvent
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// these can be used to optimize out queries on sleeping objects
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// Called when an object is woken after sleeping
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virtual void ObjectWake( IPhysicsObject *pObject );
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// called when an object goes to sleep (no longer simulating)
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virtual void ObjectSleep( IPhysicsObject *pObject );
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// locals
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bool GetInflictorVelocity( IPhysicsObject *pInflictor, Vector &velocity, AngularImpulse &angVelocity );
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void GetListOfPenetratingEntities( CBaseEntity *pSearch, CUtlVector<CBaseEntity *> &list );
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bool IsInCallback() { return m_inCallback > 0 ? true : false; }
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private:
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#if _DEBUG
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int ShouldCollide_2( IPhysicsObject *pObj0, IPhysicsObject *pObj1, void *pGameData0, void *pGameData1 );
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#endif
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void UpdateFrictionSounds();
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void UpdateTouchEvents();
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void UpdateDamageEvents();
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void UpdatePenetrateEvents( void );
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void UpdateFluidEvents();
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void UpdateRemoveObjects();
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void AddTouchEvent( CBaseEntity *pEntity0, CBaseEntity *pEntity1, int touchType, const Vector &point, const Vector &normal );
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penetrateevent_t &FindOrAddPenetrateEvent( CBaseEntity *pEntity0, CBaseEntity *pEntity1 );
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float DeltaTimeSinceLastFluid( CBaseEntity *pEntity );
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void RestoreDamageInflictorState( IPhysicsObject *pInflictor );
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void RestoreDamageInflictorState( int inflictorStateIndex, float velocityBlend );
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int AddDamageInflictor( IPhysicsObject *pInflictorPhysics, float otherMass, const Vector &savedVel, const AngularImpulse &savedAngVel, bool addList );
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int FindDamageInflictor( IPhysicsObject *pInflictorPhysics );
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// make the call into the entity system
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void DispatchStartTouch( CBaseEntity *pEntity0, CBaseEntity *pEntity1, const Vector &point, const Vector &normal );
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void DispatchEndTouch( CBaseEntity *pEntity0, CBaseEntity *pEntity1 );
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class CallbackContext
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{
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public:
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CallbackContext(CCollisionEvent *pOuter)
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{
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m_pOuter = pOuter;
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m_pOuter->m_inCallback++;
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}
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~CallbackContext()
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{
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m_pOuter->m_inCallback--;
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}
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private:
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CCollisionEvent *m_pOuter;
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};
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friend class CallbackContext;
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friction_t m_current[4];
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gamevcollisionevent_t m_gameEvent;
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CUtlVector<triggerevent_t> m_triggerEvents;
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triggerevent_t m_currentTriggerEvent;
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CUtlVector<touchevent_t> m_touchEvents;
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CUtlVector<damageevent_t> m_damageEvents;
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CUtlVector<inflictorstate_t> m_damageInflictors;
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CUtlVector<penetrateevent_t> m_penetrateEvents;
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CUtlVector<fluidevent_t> m_fluidEvents;
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CUtlVector<IServerNetworkable *> m_removeObjects;
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int m_inCallback;
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int m_lastTickFrictionError; // counter to control printing of the dev warning for large contact systems
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bool m_bBufferTouchEvents;
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};
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#endif //#ifndef PHYSICS_COLLISIONEVENT_H
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