genesis-3d_engine/Engine/app/physXfeature/PhysicsBodyComponent.cc

/****************************************************************************
Copyright (c) 2011-2013,WebJet Business Division,CYOU

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#if __USE_PHYSX__ || __GENESIS_EDITOR__
#include "stdneb.h"
#include "PhysicsBodyComponent.h"
#include "appframework/actor.h"
#include "resource/resourceserver.h"
#include "graphicfeature/graphicsfeatureprotocol.h"
#include "terrainfeature/components/TerrainRenderComponent.h"
#include "basegamefeature/managers/timesource.h"
#include "physicsCore/PhysicsServer.h"
#include "physicsCore/PhysicsUtil.h"
#include "physicsCore/PhysicsMaterial.h"
#include "physicsCore/PhysicsEntity.h"
#include "physicsCore/PhysicsUtil.h"
#include "physicsCore/PhysicsShape.h"
#include "physicsCore/PhysicsMeshShape.h"
#include "physicsCore/PhysicsConvexShape.h"
#include "PxRigidBodyExt.h"
#include "PxShape.h"
#include "PxForceMode.h"
#include "PxScene.h"

namespace App
{
	__ImplementClass(App::PhysicsBodyComponent, 'PXBC', App::Component);

	using namespace Resources;

	PhysicsBodyComponent::PhysicsBodyComponent()
		:m_pPhysXActor(NULL),
		m_enableSimulate(true),
		m_enableSimulateSwitch(false)
	{
	}

	PhysicsBodyComponent::~PhysicsBodyComponent()
	{
	}


	void PhysicsBodyComponent::OnActivate()
	{
		if(this->IsActive())
			return;
		Super::OnActivate();
		if ( !m_pPhysXActor.isvalid() )
		{
			CreateEntity(PHYSICSDYNAMIC);
		}
		m_pPhysXActor->OnActivate();
	}

	void PhysicsBodyComponent::OnDeactivate()
	{
		if(!this->IsActive())
			return;
		Super::OnDeactivate();
		if ( m_pPhysXActor.isvalid() )
		{
			m_pPhysXActor->OnDeactivate();
		}
	}

	void PhysicsBodyComponent::SetupCallbacks()
	{
		Super::SetupCallbacks();
		mActor->RegisterComponentCallback(this, BeginFrame);
		mActor->RegisterComponentCallback(this, OnFrame);
		mActor->RegisterComponentCallback(this, MoveAfter );
	}

	void PhysicsBodyComponent::SetupAcceptedMessages()
	{
		Super::SetupAcceptedMessages();
	}

	void PhysicsBodyComponent::HandleMessage(const GPtr<Messaging::Message>& msg)
	{

	}

	void PhysicsBodyComponent::_OnBeginFrame()
	{
// 		if (m_pPhysXActor.isvalid())
// 		{
// 			m_pPhysXActor->Tick((float)GameTime::Instance()->GetFrameTime());
// 		}
	}

	void PhysicsBodyComponent::_OnFrame()
	{
		//ֱ<><D6B1><EFBFBD><EFBFBD>EnablePhysicsSimulate<74><65><EFBFBD><EFBFBD><EFBFBD><EFBFBD>OnActivate<74><65>OnDeactivate<74>п<EFBFBD><D0BF>ܶ<EFBFBD>px<70><78><EFBFBD>в<EFBFBD><D0B2><EFBFBD>д<EFBFBD><D0B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ǽ<EFBFBD>ֹ<EFBFBD>ģ<EFBFBD><C4A3>˴<EFBFBD><CBB4><EFBFBD><EFBFBD>ӳٴ<D3B3><D9B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ܿ<EFBFBD><DCBF><EFBFBD><EFBFBD><EFBFBD>д<EFBFBD><D0B4>
		if (m_enableSimulateSwitch)
		{
			if (m_enableSimulate)
			{
				OnActivate();
			} 
			else
			{
				OnDeactivate();
			}
			m_enableSimulateSwitch = false;
		}
	}

	void PhysicsBodyComponent::_OnMoveAfter()
	{
		if(!PhysicsServer::Instance()->IsMoveAfterEnabled() || !m_pPhysXActor.isvalid())
		{
			return;
		}
		Math::float3 worldPos;
		worldPos.x()=mActor->GetWorldPosition().x();
		worldPos.y()=mActor->GetWorldPosition().y();
		worldPos.z()=mActor->GetWorldPosition().z();
		if(IsActive())
		{
			m_pPhysXActor->MoveToPostion(worldPos);
			m_pPhysXActor->RotateToRotation(mActor->GetWorldRotation());
		}

		for ( int i=0; i<m_pPhysXActor->GetShapeCount(); ++i )
		{
			m_pPhysXActor->GetShape(i)->ScaleWithActor(mActor->GetWorldScale());
		}
	}

	void PhysicsBodyComponent::CopyFrom( const GPtr<Component>& pComponent )
	{
		if( !pComponent.isvalid()  )
			return;
		if( !pComponent->GetRtti()->IsDerivedFrom( *(this->GetRtti()) ) )
			return;

		GPtr<PhysicsEntity> _srcEntity = pComponent.downcast<PhysicsBodyComponent>()->GetEntity();
		if ( _srcEntity.isvalid() )
		{
			if ( !m_pPhysXActor.isvalid() )
			{
				CreateEntity((PhysicsType)_srcEntity->GetType());
			}
			m_pPhysXActor->CopyFrom(_srcEntity);
		}
	}

	void PhysicsBodyComponent::SetupAllResource()
	{
		//TODO:
		return;
	}

	bool PhysicsBodyComponent::IsAllResourceLoaded()
	{
		//TODO:
		return true;
	}

	GPtr<PhysicsEntity> PhysicsBodyComponent::CreateEntity( PhysicsType type /*= PHYSICSDYNAMIC*/ )
	{
		if ( m_pPhysXActor.isvalid() )
		{
			m_pPhysXActor->OnDeactivate();
			m_pPhysXActor->OnDestory();
		}

		m_pPhysXActor = PhysicsEntity::Create(this,type);

		if ( IsActive() && m_pPhysXActor.isvalid() )
		{
			m_pPhysXActor->OnActivate();
		}

		return m_pPhysXActor;
	}

	void PhysicsBodyComponent::GetReferenceResourceId( Util::Array<Resources::ReferenceResource>& list ) const
	{
		for(int i = 0;i<m_pPhysXActor->GetShapeCount();i++)
		{
			GPtr<PhysicsShape>& pShape = m_pPhysXActor->GetShapes()[i];
			const Util::String& pMaterial = pShape->GetMaterialID();
			list.Append(Resources::ReferenceResource(pMaterial, Resources::RR_Unknown));
			if(pShape->IsA(PhysicsMeshShape::RTTI))
			{
				GPtr<PhysicsMeshShape> pMeshShape = pShape.downcast<PhysicsMeshShape>();
				const Util::String& pMeshFile = pMeshShape->GetMeshFileName();
				list.Append(Resources::ReferenceResource(pMeshFile, Resources::RR_Unknown));
			}
			else if(pShape->IsA(PhysicsConvexShape::RTTI))
			{
				GPtr<PhysicsConvexShape> pMeshShape = pShape.downcast<PhysicsConvexShape>();
				const Util::String& pMeshFile = pMeshShape->GetMeshFileName();
				list.Append(Resources::ReferenceResource(pMeshFile, Resources::RR_Unknown));
			}
		}
		Super::GetReferenceResourceId(list);
	}

	void PhysicsBodyComponent::SetEntity( GPtr<PhysicsEntity>& enty )
	{
		if ( m_pPhysXActor.isvalid() )
		{
			m_pPhysXActor->OnDeactivate();
			m_pPhysXActor->OnDestory();
		}
		m_pPhysXActor = enty;
		if ( IsActive() && m_pPhysXActor.isvalid() )
		{
			m_pPhysXActor->OnActivate();
		}
	}
}

#endif