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game/client/tf2/c_ragdoll_shadow.cpp

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+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//=============================================================================//
+#include "cbase.h"
+#include "model_types.h"
+#include "vcollide.h"
+#include "vcollide_parse.h"
+#include "solidsetdefaults.h"
+#include "c_basetfplayer.h"
+#include "bone_setup.h"
+#include "engine/ivmodelinfo.h"
+
+CPhysCollide *PhysCreateBbox( const Vector &mins, const Vector &maxs );
+extern CSolidSetDefaults g_SolidSetup;
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+class C_RagdollShadow : public C_BaseAnimating
+{
+	DECLARE_CLASS( C_RagdollShadow, C_BaseAnimating );
+public:
+	DECLARE_CLIENTCLASS();
+
+	C_RagdollShadow( void );
+	~C_RagdollShadow( void );
+
+	virtual void OnDataChanged( DataUpdateType_t updateType );
+
+	virtual void ClientThink( void );
+	virtual int DrawModel( int flags );
+
+public:
+	IPhysicsObject *VPhysicsInitShadow( bool allowPhysicsMovement, bool allowPhysicsRotation );
+	void			VPhysicsSetObject( IPhysicsObject *pPhysics );
+	void			VPhysicsDestroyObject( void );
+
+	int			m_nPlayer;
+	EHANDLE		m_hPlayer;
+
+	IPhysicsObject	*m_pPhysicsObject;
+	IPhysicsSpring		*m_pSpring;
+};
+
+IMPLEMENT_CLIENTCLASS_DT( C_RagdollShadow, DT_RagdollShadow, CRagdollShadow )
+	RecvPropInt( RECVINFO( m_nPlayer ) ),
+END_RECV_TABLE()
+
+C_RagdollShadow::C_RagdollShadow( void )
+{
+	m_nPlayer = -1;
+	m_hPlayer = NULL;
+
+	m_pPhysicsObject = NULL;
+	m_pSpring = NULL;
+}
+
+C_RagdollShadow::~C_RagdollShadow( void )
+{
+	VPhysicsDestroyObject();
+
+	delete m_pSpring;
+}
+
+void C_RagdollShadow::VPhysicsDestroyObject( void )
+{
+	if ( m_pPhysicsObject )
+	{
+		physenv->DestroyObject( m_pPhysicsObject );
+		m_pPhysicsObject = NULL;
+	}
+}
+
+// Create a physics thingy based on an existing collision model
+IPhysicsObject *PhysModelCreateCustom( C_BaseEntity *pEntity, const CPhysCollide *pModel, const Vector &origin, const QAngle &angles, const char *props )
+{
+	solid_t solid;
+	solid.params = g_PhysDefaultObjectParams;
+	solid.params.mass = 85.0f;
+	solid.params.inertia = 1e24f;
+	int surfaceProp = -1;
+	if ( props && props[0] )
+	{
+		surfaceProp = physprops->GetSurfaceIndex( props );
+	}
+	solid.params.pGameData = static_cast<void *>(pEntity);
+	IPhysicsObject *pObject = physenv->CreatePolyObject( pModel, surfaceProp, origin, angles, &solid.params );
+	return pObject;
+}
+
+IPhysicsObject *PhysModelCreateRagdoll( C_BaseEntity *pEntity, int modelIndex, const Vector &origin, const QAngle &angles )
+{
+	vcollide_t *pCollide = modelinfo->GetVCollide( modelIndex );
+	if ( !pCollide )
+		return NULL;
+
+	solid_t solid;
+	memset( &solid, 0, sizeof(solid) );
+	solid.params = g_PhysDefaultObjectParams;
+
+	IVPhysicsKeyParser *pParse = physcollision->VPhysicsKeyParserCreate( pCollide->pKeyValues );
+	while ( !pParse->Finished() )
+	{
+		const char *pBlock = pParse->GetCurrentBlockName();
+		if ( !strcmpi( pBlock, "solid" ) )
+		{
+			pParse->ParseSolid( &solid, &g_SolidSetup );
+			break;
+		}
+		else
+		{
+			pParse->SkipBlock();
+		}
+	}
+	physcollision->VPhysicsKeyParserDestroy( pParse );
+
+	// collisions are off by default
+	solid.params.enableCollisions = true;
+
+	int surfaceProp = -1;
+	if ( solid.surfaceprop[0] )
+	{
+		surfaceProp = physprops->GetSurfaceIndex( solid.surfaceprop );
+	}
+	solid.params.pGameData = static_cast<void *>(pEntity);
+	solid.params.pName = "ragdoll_player";
+	IPhysicsObject *pObject = physenv->CreatePolyObject( pCollide->solids[0], surfaceProp, origin, angles, &solid.params );
+	//PhysCheckAdd( pObject, STRING(pEntity->m_iClassname) );
+	return pObject;
+}
+
+void C_RagdollShadow::VPhysicsSetObject( IPhysicsObject *pPhysics )
+{
+	if ( m_pPhysicsObject && pPhysics )
+	{
+		Warning( "C_RagdollShadow::Overwriting physics object!\n" );
+	}
+	m_pPhysicsObject = pPhysics;
+}
+
+
+// This creates a vphysics object with a shadow controller that follows the AI
+IPhysicsObject *C_RagdollShadow::VPhysicsInitShadow( bool allowPhysicsMovement, bool allowPhysicsRotation )
+{
+	CStudioHdr *hdr = GetModelPtr();
+	if ( !hdr )
+	{
+		return NULL;
+	}
+
+	// If this entity already has a physics object, then it should have been deleted prior to making this call.
+	Assert(!m_pPhysicsObject);
+
+	// make sure m_vecOrigin / m_vecAngles are correct
+	const Vector &origin = GetAbsOrigin();
+	QAngle angles = GetAbsAngles();
+	IPhysicsObject *pPhysicsObject = NULL;
+
+	if ( GetSolid() == SOLID_BBOX )
+	{
+		const char *pSurfaceProps = "flesh";
+		if ( GetModelIndex() && modelinfo->GetModelType( GetModel() ) == mod_studio )
+		{
+			pSurfaceProps = Studio_GetDefaultSurfaceProps( hdr );
+		}
+		angles = vec3_angle;
+		CPhysCollide *pCollide = PhysCreateBbox( WorldAlignMins(), WorldAlignMaxs() );
+		if ( !pCollide )
+			return NULL;
+		pPhysicsObject = PhysModelCreateCustom( this, pCollide, origin, angles, pSurfaceProps );
+	}
+	else
+	{
+		pPhysicsObject = PhysModelCreateRagdoll( this, GetModelIndex(), origin, angles );
+	}
+	VPhysicsSetObject( pPhysicsObject );
+	pPhysicsObject->SetShadow( 1e4, 1e4, allowPhysicsMovement, allowPhysicsRotation );
+	pPhysicsObject->UpdateShadow( GetAbsOrigin(), GetAbsAngles(), false, 0 );
+//	PhysAddShadow( this );
+	return pPhysicsObject;
+}	
+
+void C_RagdollShadow::OnDataChanged( DataUpdateType_t updateType )
+{
+	BaseClass::OnDataChanged( updateType );
+
+	// Has to happen *after* the client handle is set
+	SetNextClientThink( CLIENT_THINK_ALWAYS );
+
+	bool bnewentity = (updateType == DATA_UPDATE_CREATED);
+	if ( bnewentity && ( m_nPlayer != 0 ) )
+	{
+		SetNextClientThink( CLIENT_THINK_ALWAYS );
+
+		Assert( !m_pPhysicsObject );
+
+		C_BaseEntity *pl = static_cast< C_BaseEntity * >( cl_entitylist->GetEnt( m_nPlayer ) );
+		if ( pl )
+		{
+			m_hPlayer = pl;
+		}
+
+		m_pPhysicsObject = VPhysicsInitShadow( true, false );
+	}
+
+	if ( m_pPhysicsObject )
+	{
+		// Create the spring if we don't have one yet
+		if ( !m_pSpring )
+		{
+			C_BaseTFPlayer *pl = static_cast< C_BaseTFPlayer * >( (C_BaseEntity *)m_hPlayer );
+			if ( pl && pl->VPhysicsGetObject() )
+			{
+				springparams_t spring;
+				spring.constant = 15000;
+				spring.damping = 1.0;
+				spring.naturalLength = 0.0f;
+				spring.relativeDamping = 100.0f;
+				VectorCopy( vec3_origin, spring.startPosition );
+				VectorCopy( vec3_origin, spring.endPosition );
+				spring.useLocalPositions = true;
+
+				m_pSpring = physenv->CreateSpring( m_pPhysicsObject, pl->VPhysicsGetObject(), &spring );
+
+				PhysDisableObjectCollisions( m_pPhysicsObject, pl->VPhysicsGetObject() );
+			}
+		}
+
+		m_pPhysicsObject->UpdateShadow( GetAbsOrigin(), GetAbsAngles(), false, 0 );
+	}
+
+}
+
+void C_RagdollShadow::ClientThink( void )
+{
+	BaseClass::ClientThink();
+}
+
+int C_RagdollShadow::DrawModel( int flags )
+{
+//	int drawn = BaseClass::DrawModel( flags );
+//	return drawn;
+	return 0;
+}