genesis-3d_engine/Engine/app/graphicfeature/components/meshrendercomponent.cc

/****************************************************************************
Copyright (c) 2011-2013,WebJet Business Division,CYOU
 
http://www.genesis-3d.com.cn

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
****************************************************************************/
#include "stdneb.h"
#include "graphicfeature/components/meshrendercomponent.h"
#include "graphicfeature/components/apprenderable.h"
#include "graphicfeature/graphicsfeatureprotocol.h"
#include "resource/meshres.h"
#include "resource/resourceserver.h"
#include "appframework/actor.h"
#include "graphicsystem/Renderable/GraphicRenderer.h"
#include "shadercompiler/ShaderMarcro.h"

namespace App
{
	using namespace Resources;
	using namespace Graphic;
	using namespace RenderBase;

	__ImplementClass(App::MeshRenderComponent, 'MRCT', App::RenderComponent );

	//------------------------------------------------------------------------
	MeshRenderComponent::MeshRenderComponent()
		: mRenderObject()
		, mMeshLoading(false)
		, mLMTexParam(1.0f,1.0f,0.0f,0.0f)
		, mLMIndex (0xFFFF)
		, mLMDirty (true)
		, mLMScale(1.0)
		, m_LightmapMode(SingleMode)
		, m_LMTexHandleValid(false)
		, m_bDrawDepth (true)
		, m_bUsedForResHotLoad(false)
		, mbCastShadow(true)
		, mbReceiveShadow(true)
	{
		mResourcePrior = 1;
		mMeshInfo.dirty = false;
	}
	//------------------------------------------------------------------------
	MeshRenderComponent::~MeshRenderComponent()
	{
		mPrimitiveResInfo = NULL;
		OnDestroy();
		n_assert( mRenderableResUnitList.IsEmpty() );

	}
	//------------------------------------------------------------------------
	void MeshRenderComponent::OnActivate()
	{
		Super::OnActivate();
		if (mMeshInfo.dirty)
		{
			_LoadRenderData();
		}
		else
		{

			if (!mMeshLoading && mVisible)
			{
				_AttachRenderObject();
			}
		}

		n_assert( mActor );
		if( mActor  )
		{
			if (mRenderObject.isvalid())
			{
				mRenderObject->SetTransform(mActor->GetWorldTransform());
			}
		}
	}
	//------------------------------------------------------------------------
	void MeshRenderComponent::OnDeactivate()
	{

		if (IsActive() && mVisible)		
		{
			_DeattachRenderObject();
		}
		// deActive material
		Super::OnDeactivate();
	}
	//------------------------------------------------------------------------
	void MeshRenderComponent::OnDestroy()
	{
		//n_assert( !mRenderableAttached );
		if ( mPrimitive.IsValid() )
		{
			mPrimitive = RenderBase::PrimitiveHandle();
		}

		for (int i = 0; i <= 2; i++)
		{
			if ( mLMHandle[i].IsValid() )
			{
				mLMHandle[i] = RenderBase::TextureHandle();
			}
		}

		//mRenderableResUnitList.Clear();

		Super::OnDestroy();
	}
	//------------------------------------------------------------------------
	void MeshRenderComponent::SetupCallbacks()
	{
		mActor->RegisterComponentCallback(this, MoveAfter);
		mActor->RegisterComponentCallback(this, BeginFrame);
		Super::SetupCallbacks();
	}
	//------------------------------------------------------------------------
	void MeshRenderComponent::SetupAcceptedMessages()
	{
		Super::SetupAcceptedMessages();
	}
	//------------------------------------------------------------------------
	void MeshRenderComponent::HandleMessage(const GPtr<Messaging::Message>& msg)
	{
		 Super::HandleMessage(msg);//[zhongdaohuan]<5D><>Ϣ<EFBFBD><CFA2><EFBFBD>Ƹɵ<C6B8><C9B5>ˡ<EFBFBD>
	}
	//------------------------------------------------------------------------
	void MeshRenderComponent::StandaloneRender(const GPtr<Graphic::Material>& customMat)
	{
		Graphic::RenderableResUnitArray::Iterator begin = mRenderableResUnitList.Begin();
		Graphic::RenderableResUnitArray::Iterator end = mRenderableResUnitList.End();
		Graphic::GraphicRenderer::ResetCache();
		while(begin != end)
		{
			Renderable* rdbl = begin->GetRenderable();

			//<2F><><EFBFBD><EFBFBD>customMat<61><74><EFBFBD><EFBFBD>Template<74><65><EFBFBD>͵<EFBFBD>shader,<2C><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ǿ<EFBFBD><C7BF><EFBFBD><EFBFBD>Ⱦ<EFBFBD>ĺ<EFBFBD><C4BA><EFBFBD><EFBFBD>ڣ<EFBFBD><DAA3>ݲ<EFBFBD>֧<EFBFBD><D6A7>ʹ<EFBFBD><CAB9>subshader
			if (!customMat->GetTech()->IsTemplateTech())
			{
				rdbl->SetShaderMask((uint)Graphic::eForward, 0);
			}

			if (rdbl)
			{
				GraphicRenderer::BeforeRender(rdbl, eCustomized, customMat.get_unsafe());
				mRenderObject->Render(rdbl, eCustomized, customMat.get_unsafe());
			}

			++begin;
		}
	}

	void MeshRenderComponent::SetMeshID(const Resources::ResourceId& meshID, Resources::Priority priority /* = 1 */, bool bUsedForResHotLoad )
	{
		if (mActor && mActor->PriorityDefinition())
		{
			priority = mActor->GetPriority();
		}
		mMeshLoading = true;
		mMeshInfo.meshID = meshID;
		mMeshInfo.priority = priority;
		mMeshInfo.dirty = true;
		m_bUsedForResHotLoad = bUsedForResHotLoad;
		if(Resources::ResourcePriority::Synchronization == priority)
		{
			_OnMeshDirty( bUsedForResHotLoad );
		}
	}


	void MeshRenderComponent::UpdateRenderLayer()
	{
		if (mRenderObject.isvalid())
		{
			mRenderObject->SetLayerID(mActor->GetLayerID());
		}
	}
	 
	void MeshRenderComponent::SetVisible(bool bVis)
	{
		if ( bVis == mVisible )
		{
			return;
		}
		Super::SetVisible(bVis);
		if (IsActive())
		{
			if (mVisible)
			{
				_AttachRenderObject();
			}
			else
			{
				_DeattachRenderObject();
			}
		}
	}
#ifdef __GENESIS_EDITOR__
	void MeshRenderComponent::SetEditorVisible(bool bVis)
	{
		Super::SetEditorVisible(bVis);

		if (IsActive())
		{
			if (mRenderObject.isvalid())
			{
				mRenderObject->SetEditorVisible(bVis);
				
			}
		}
		
	}
#endif
	void MeshRenderComponent::_AttachRenderObject()
	{
		if (mRenderObject.isvalid())
		{
			n_assert(mActor);
			mRenderObject->Attach(mActor->GetRenderScene());
		}

	}

	void MeshRenderComponent::_DeattachRenderObject()
	{
		if (mRenderObject.isvalid())
		{
			n_assert(mActor);
			mRenderObject->Detach();
		}
	}

	void MeshRenderComponent::OnRenderSceneChanged()
	{
		if (mRenderObject.isvalid() && mRenderObject->Attached())
		{
			mRenderObject->Attach(mActor->GetRenderScene());
		}
	}

	void MeshRenderComponent::_OnMeshDirty(bool bDeleteRenderObject)
	{

		if (bDeleteRenderObject || (IsActive() && mVisible) )
		
		{
			_DeattachRenderObject();
		}
		_LoadRenderData();
	}

	//------------------------------------------------------------------------
	void MeshRenderComponent::_OnBeginFrame()
	{
		Super::_OnBeginFrame();

		if (mMeshLoading)
		{	
			if (mMeshInfo.dirty)
			{
				_OnMeshDirty();
			}
			if (mPrimitiveResInfo.isvalid() && mPrimitiveResInfo->GetHandle().IsValid())//<2F><><EFBFBD><EFBFBD>mesh<73>Ƿ<EFBFBD><C7B7>Ѽ<EFBFBD><D1BC>ء<EFBFBD>
			{	 
				mActor->_UpdateLocalBBox();
				//mActor->SetLocalBoundingBox(mPrimitiveResInfo->GetRes().downcast<Resources::MeshRes>()->GetBoundingBox());
				_BuildRenderRes();

				if ( IsActive() && mVisible)
				{
					_AttachRenderObject();
#ifdef __GENESIS_EDITOR__
					if ( mRenderObject.isvalid() )
					{
						mRenderObject->SetEditorVisible(m_bEidtorVis);
					}
#endif
				}
				mPrimitive = mPrimitiveResInfo->GetHandle();
				mMeshLoading = false;
#ifndef __SCRIPT_COMMIT__
				mActor->Check_OnWillRenderObject_Bind();
#endif
			}

			//<2F>첽<EFBFBD><ECB2BD><EFBFBD>غ<EFBFBD><D8BA><EFBFBD><EFBFBD><EFBFBD>Ҫ<EFBFBD><D2AA><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Щ<EFBFBD>ڽű<DABD><C5B1><EFBFBD>ʼ<EFBFBD><CABC><EFBFBD>˵<EFBFBD><CBB5><EFBFBD><EFBFBD><EFBFBD><EFBFBD>İ<EFBFBD>Χ<EFBFBD><CEA7>
			_OnMoveAfter();
		}

		// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ӱ<EFBFBD><D3B0>״̬
		_UpdateShadow();
	}
	//------------------------------------------------------------------------
	void MeshRenderComponent::_OnFrame()
	{		
				
	}
	//------------------------------------------------------------------------
	void MeshRenderComponent::_OnEndFrame()
	{

	}
	//------------------------------------------------------------------------
	void MeshRenderComponent::_OnWillRenderObjectEvent_Change(bool bind)
	{
		if (mRenderObject.isvalid())
		{
			mRenderObject->SetNeedCullCallBack(bind);
		}
	}
	//------------------------------------------------------------------------
	void MeshRenderComponent::_OnMoveAfter()
	{
		if( mActor  )
		{
			if (mRenderObject.isvalid())
			{
				mRenderObject->SetTransform(mActor->GetWorldTransform());
			}

		}
	}
	//------------------------------------------------------------------------
	void 
	MeshRenderComponent::_LoadRenderData()
	{
		n_assert( mMeshInfo.dirty );
		n_assert( mMeshInfo.meshID.IsValid() );
		n_assert( mMeshInfo.meshID.Value() != "" );
		//if( mActor)
		//{
		//	Resources::Priority actorLoadOrder = mActor->GetPriority();
		//	if (actorLoadOrder >= 0)
		//	{
		//		mMeshInfo.priority = actorLoadOrder;
		//	}
		//}
		
		mPrimitiveResInfo = ResourceManager::Instance()->CreatePrimitiveInfo(mMeshInfo.meshID, mMeshInfo.priority);
		mMeshInfo.dirty = false;
		mMeshLoading = true;
	}

	//------------------------------------------------------------------------
	void MeshRenderComponent::_SetRenderable(const GPtr<Resources::MeshRes>& meshRes, IndexT index, RenderObjectType::RenderableType* renderable)
	{
		SubMesh* subMesh = meshRes->GetSubMesh(index);
		n_assert(subMesh);
		renderable->SetRenderInfo(
			subMesh->firstVertex, 
			subMesh->numVertex,
			subMesh->FirstIndex,
			subMesh->numIndex);
	}
	//------------------------------------------------------------------------
	void MeshRenderComponent::_BuildRenderObject()
	{
		//<2F><><EFBFBD><EFBFBD><EFBFBD>µ<EFBFBD>RenderObject
		if (!mRenderObject.isvalid())
		{
			const GPtr<MeshRes>& meshRes = mPrimitiveResInfo->GetRes().downcast<MeshRes>();
			mRenderObject = RenderObjectType::Create();
			mRenderObject->SetOwner(this);		
		}
	}
	//------------------------------------------------------------------------
	void MeshRenderComponent::_BuildRenderRes()
	{
		n_assert( mActor );
		n_assert( mMeshLoading );
		const GPtr<MeshRes>& meshRes = mPrimitiveResInfo->GetRes().downcast<MeshRes>();

		_BuildRenderObject();


		mRenderObject->SetTransform(mActor->GetWorldTransform());
		mRenderObject->SetBoundingBox(meshRes->GetBoundingBox());

		UpdateRenderLayer();

		// <20><><EFBFBD><EFBFBD><EFBFBD>µ<EFBFBD>renderable
		int sub_count = meshRes->GetSubMeshCount();
		int mat_count = mRenderableResUnitList.Size();
//		int count = n_min(sub_count, mat_count);

		if(m_bUsedForResHotLoad)
		{
			//<2F>ȼ<EFBFBD><C8BC><EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>1<EFBFBD><31><EFBFBD><EFBFBD>Ҫ<EFBFBD>Ѷ<EFBFBD><D1B6><EFBFBD><EFBFBD><EFBFBD><EFBFBD>IJ<EFBFBD><C4B2>ʼ<EFBFBD>¼<EFBFBD><C2BC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڻָ<DABB><D6B8><EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>

			// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>б<EFBFBD>
			for ( IndexT index = mat_count; index < sub_count; ++index )
			{
				IndexT foundindex = mDeattachedMatList.FindIndex(index);
				if(foundindex != InvalidIndex)
				{
					SetMaterialID(index, mDeattachedMatList[index], false);
				}
				else
				{
					SetMaterialID(index,"sys:meshRenderDefault.material", false);
				}
			}

			mDeattachedMatList.Clear();

			// ɾ<><C9BE><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʹ<EFBFBD>õIJ<C3B5><C4B2><EFBFBD>
			for (int i = mat_count - 1 ; i >= sub_count; --i)
			{
				mDeattachedMatList.Add(i,GetMaterialID(i));
				mRenderableResUnitList.EraseIndex(i);
			}
		}
		else
		{
			mDeattachedMatList.Clear();

			// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>б<EFBFBD>
			for ( IndexT index = mat_count; index < sub_count; ++index )
			{
				SetMaterialID(index,"sys:meshRenderDefault.material", false);
			}

			// ɾ<><C9BE><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʹ<EFBFBD>õIJ<C3B5><C4B2><EFBFBD>
			for (int i = mat_count - 1 ; i >= sub_count; --i)
			{
				mRenderableResUnitList.EraseIndex(i);
			}
		}

		for ( IndexT index = 0; index < sub_count; ++index )
		{
			RenderObjectType::RenderableType* renderable = mRenderableResUnitList[index].ResetRenderable<RenderObjectType::RenderableType>();
			_SetRenderable(meshRes, index, renderable);

			if (!m_bDrawDepth)
			{
				Graphic::Renderable::Mark mark = renderable->GetMark();
				mark = (Graphic::Renderable::Mark)(mark & ~Graphic::Renderable::GenDepth);
				renderable->SetMark(mark);
			}
		}
		
	}	

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

		if ( IsActive() )
		{
			OnDeactivate();
		}

		//n_assert( !mRenderableAttached );
		if ( mPrimitive.IsValid() )
		{
			mPrimitive = RenderBase::PrimitiveHandle();
		}
		mRenderableResUnitList.Clear();

		GPtr<MeshRenderComponent> pSource = pComponent.downcast<MeshRenderComponent>();
		if ( pSource->GetMeshID().IsValid() )
		{
			SetMeshID(pSource->GetMeshID());
			SetDrawDepth(pSource->IsDrawDepth());
		    Super::CopyFrom(pComponent);
		}
		else
		{
			mMeshLoading = false;
			mMeshInfo.dirty = false;
		}

		SetLMTexParam( pSource->GetLMTexParam() );
		SetLMIndex( pSource->GetLMIndex() );
		SetLMScale( pSource->GetLMScale() );
		SetLMDirty();
	}

	void MeshRenderComponent::SetupAllResource()
	{
		if (mActor->PriorityUndefinition())
			return;
		Super::SetupAllResource();
		SetMeshID(GetMeshID(),mActor->GetPriority());
	}

	bool MeshRenderComponent::IsAllResourceLoaded()
	{
		if (Super::IsAllResourceLoaded())
		{
			return !mMeshLoading;
		}
		else
		{
			return false;
		}
		
	}

	//-------------------------------------------------------------------------
	void MeshRenderComponent::UpdateTransformMatrix()
	{
		//[zhongdaohuan][render_obj] <20><><EFBFBD><EFBFBD>renderobject<63><74>֧<EFBFBD><D6A7>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҫ<EFBFBD><D2AA>д<EFBFBD><D0B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>߼<EFBFBD><DFBC><EFBFBD>
		//if ( !mActor || !mSimpleShape.isvalid())
		//{
		//	return;
		//}


		//const Math::bbox& localBB = mActor->GetLocalBoundingBox();
		//Math::vector vScale(localBB.pmax.x() - localBB.pmin.x(), localBB.pmax.y() - localBB.pmin.y(), localBB.pmax.z() - localBB.pmin.z());
		//vScale *= mActor->GetWorldScale();

		//const Math::quaternion quat = mActor->GetWorldRotation();	

		////translate
		//const Math::bbox& bbLocal = mActor->GetLocalBoundingBox();
		//Math::float4 translate = bbLocal.center();	
		//translate = mActor->GetWorldRotation() * (mActor->GetWorldScale() * translate);
		//
		//translate += mActor->GetWorldPosition();
		//
		//Math::matrix44 mat44 = Math::matrix44::transformation(
		//	vScale,
		//	quat,
		//	translate);

		//mSimpleShape->SetTransform(mat44);	

	}


	//------------------------------------------------------------------------------
	void MeshRenderComponent::_UpdateShadow()
	{

		bool isReceiveShadow = this->GetReceiveShadow();
		bool isCastShadow = this->GetCastShadow();

		if ( mRenderObject.isvalid() )
		{
			mRenderObject->SetReceiveShadow( isReceiveShadow );
			mRenderObject->SetCastShadow( isCastShadow );
		}
	}

	void MeshRenderComponent::SetDrawDepth(bool bDraw)
	{
		m_bDrawDepth = bDraw;


		if (!m_bDrawDepth)
		{
			for (IndexT i = 0; i < mRenderableResUnitList.Size(); ++i)
			{
				Graphic::Renderable* pRenderable = mRenderableResUnitList[i].GetRenderable();

				if (pRenderable != NULL)
				{
					Graphic::Renderable::Mark mark = pRenderable->GetMark();
					mark = (Graphic::Renderable::Mark)(mark & ~Graphic::Renderable::GenDepth);
					pRenderable->SetMark(mark);
				}

			}
		}

	}
	//------------------------------------------------------------------------------
	void MeshRenderComponent::GetReferenceResourceId(Util::Array<Resources::ReferenceResource>& list) const
	{
		if( IsUseLM() )
		{
			for (int i = 0; i <= m_LightmapMode; i++)
			{
				LightmapName name;
				LightmapSetting::GetInstance().GetLightmap( mLMIndex, i, name);

				if ( name.IsValid() )
					list.Append(Resources::ReferenceResource(name, Resources::RR_Unknown));
			}
		}
		list.Append(Resources::ReferenceResource(mMeshInfo.meshID, Resources::RR_Unknown));
		Super::GetReferenceResourceId(list);
	}

	Math::bbox MeshRenderComponent::GetLocalBoundingBox()
	{
		if (mPrimitiveResInfo.isvalid() && mPrimitiveResInfo->GetHandle().IsValid())
		{	 
			return mPrimitiveResInfo->GetRes().downcast<Resources::MeshRes>()->GetBoundingBox();
		}
		return Math::bbox(Math::point(0,0,0), Math::point(0,0,0));
	}
	//------------------------------------------------------------------------
	void MeshRenderComponent::SetCastShadow( bool bCastShadow )
	{
		mbCastShadow = bCastShadow;
	}
	//------------------------------------------------------------------------
	bool MeshRenderComponent::GetCastShadow()
	{
		return mbCastShadow;
	}
	//------------------------------------------------------------------------
	void MeshRenderComponent::SetReceiveShadow( bool bReceiveShadow )
	{
		mbReceiveShadow = bReceiveShadow;
	}
	//------------------------------------------------------------------------
	bool MeshRenderComponent::GetReceiveShadow()
	{
		return mbReceiveShadow;
	}
}