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game/client/ragdoll.h

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+//========= Copyright <20> 1996-2005, Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $Workfile:     $
+// $Date:         $
+// $NoKeywords: $
+//=============================================================================//
+
+#ifndef RAGDOLL_H
+#define RAGDOLL_H
+
+#ifdef _WIN32
+#pragma once
+#endif
+
+#include "ragdoll_shared.h"
+
+#define RAGDOLL_VISUALIZE	0
+
+class C_BaseEntity;
+class CStudioHdr;
+struct mstudiobone_t;
+class Vector;
+class IPhysicsObject;
+class CBoneAccessor;
+
+abstract_class IRagdoll
+{
+public:
+	virtual ~IRagdoll() {}
+
+	virtual void RagdollBone( C_BaseEntity *ent, const mstudiobone_t *pbones, int boneCount, bool *boneSimulated, CBoneAccessor &pBoneToWorld ) = 0;
+	virtual const Vector& GetRagdollOrigin( ) = 0;
+	virtual void GetRagdollBounds( Vector &mins, Vector &maxs ) = 0;
+	virtual int RagdollBoneCount() const = 0;
+	virtual IPhysicsObject *GetElement( int elementNum ) = 0;
+	virtual void DrawWireframe( void ) = 0;
+	virtual void VPhysicsUpdate( IPhysicsObject *pObject ) = 0;
+	virtual bool TransformVectorToWorld( int boneIndex, const Vector *vTemp, Vector *vOut ) = 0;
+};
+
+class CRagdoll : public IRagdoll
+{
+public:
+	CRagdoll();
+	~CRagdoll( void );
+
+	DECLARE_SIMPLE_DATADESC();
+	
+	void Init( 
+		C_BaseEntity *ent, 
+		CStudioHdr *pstudiohdr, 
+		const Vector &forceVector, 
+		int forceBone, 
+		const matrix3x4_t *pDeltaBones0, 
+		const matrix3x4_t *pDeltaBones1, 
+		const matrix3x4_t *pCurrentBonePosition, 
+		float boneDt,
+		bool bFixedConstraints=false,
+		bool bBleedOutOnSleep=true);
+
+	virtual void RagdollBone( C_BaseEntity *ent, const mstudiobone_t *pbones, int boneCount, bool *boneSimulated, CBoneAccessor &pBoneToWorld );
+	virtual const Vector& GetRagdollOrigin( );
+	virtual void GetRagdollBounds( Vector &theMins, Vector &theMaxs );
+	void	BuildRagdollBounds( C_BaseEntity *ent );
+	
+	virtual IPhysicsObject *GetElement( int elementNum );
+	virtual IPhysicsConstraintGroup *GetConstraintGroup() { return m_ragdoll.pGroup; }
+	virtual void DrawWireframe();
+	virtual void VPhysicsUpdate( IPhysicsObject *pPhysics );
+	virtual int RagdollBoneCount() const { return m_ragdoll.listCount; }
+	virtual bool TransformVectorToWorld( int iBoneIndex, const Vector *vTemp, Vector *vOut );
+	
+
+	void	SetInitialBonePosition( CStudioHdr *pstudiohdr, const CBoneAccessor &pDesiredBonePosition );
+
+	bool IsValid() { return m_ragdoll.listCount > 0; }
+	bool IsAsleep( void ) const { return m_allAsleep; }
+
+	void ResetRagdollSleepAfterTime( void );
+	float GetLastVPhysicsUpdateTime() const { return m_lastUpdate; }
+	IPhysicsObject *RagdollPhysicsObject( int i ) { return m_ragdoll.list[ i ].pObject; }
+
+public:
+
+	void			CheckSettleStationaryRagdoll();
+	void			PhysForceRagdollToSleep();
+	void			CreateBloodPool();
+
+private:
+
+	ragdoll_t	m_ragdoll;
+	Vector		m_mins, m_maxs;
+	Vector		m_origin;
+	float		m_lastUpdate;
+	bool		m_allAsleep;
+	Vector		m_vecLastOrigin;
+	float		m_flLastOriginChangeTime;
+	float		m_flAwakeTime;
+	bool		m_doBleedOut;
+
+#if RAGDOLL_VISUALIZE
+	matrix3x4_t			m_savedBone1[MAXSTUDIOBONES];
+	matrix3x4_t			m_savedBone2[MAXSTUDIOBONES];
+	matrix3x4_t			m_savedBone3[MAXSTUDIOBONES];
+#endif
+
+public:
+	
+	ragdoll_t *GetRagdoll( void ){ return &m_ragdoll; }
+};
+
+
+CRagdoll *CreateRagdoll( 
+	C_BaseEntity *ent, 
+	CStudioHdr *pstudiohdr, 
+	const Vector &forceVector, 
+	int forceBone, 
+	const matrix3x4_t *pDeltaBones0, 
+	const matrix3x4_t *pDeltaBones1, 
+	const matrix3x4_t *pCurrentBonePosition, 
+	float boneDt,
+	bool bFixedConstraints=false,
+	bool bBleedOutOnSleep=true);
+
+
+// save this ragdoll's creation as the current tick
+void NoteRagdollCreationTick( C_BaseEntity *pRagdoll );
+// returns true if the ragdoll was created on this tick
+bool WasRagdollCreatedOnCurrentTick( C_BaseEntity *pRagdoll );
+
+#endif // RAGDOLL_H