genesis-3d_engine/Engine/graphicsystem/Material/GlobalShaderParam.cc

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

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#include "stdneb.h"
#include "GlobalShaderParam.h"
#include "Camera/RenderPipeline/RenderPipeline.h"

namespace Graphic
{
	using namespace Math;

	__ImplementRootClass(GlobalMaterialParam,'GMGS')
		__ImplementImageSingleton(GlobalMaterialParam)
		GlobalMaterialParam::GlobalMaterialParam()
	{
		__ConstructImageSingleton;
		InitializeParamMap();
	}

	GlobalMaterialParam::~GlobalMaterialParam()
	{
		__DestructImageSingleton;
	}

	void GlobalMaterialParam::InitializeParamMap()
	{
		//matrix map
		m_globalShaderParams.SetSize( GlobalParamCount );

		m_globalShaderParams[eGShaderMatMVP] = GlobalShaderParam(matrix44(),Util::String("g_ModelViewProj"));
		m_globalShaderParams[eGShaderMatV] = GlobalShaderParam(matrix44(),Util::String("g_View"));
		m_globalShaderParams[eGShaderMatInverseV] = GlobalShaderParam(matrix44(),Util::String("g_InverseView"));
		m_globalShaderParams[eGShaderMatM] = GlobalShaderParam(matrix44(),Util::String("g_Model"));
		m_globalShaderParams[eGShaderMatInverseTransposeM] = GlobalShaderParam(matrix44(),Util::String("g_InvTransModel"));
		m_globalShaderParams[eGShaderMatInverseM] = GlobalShaderParam(matrix44(),Util::String("g_InverseModel"));
		m_globalShaderParams[eGShaderMatP] = GlobalShaderParam(matrix44(),Util::String("g_Proj"));
		m_globalShaderParams[eGShaderMatInvVP] = GlobalShaderParam(matrix44(),Util::String("g_InvViewProj"));
		m_globalShaderParams[eGShaderMatLightV] = GlobalShaderParam(matrix44(),Util::String("g_LightView"));
		m_globalShaderParams[eGShaderMatProjector] = GlobalShaderParam(matrix44(),Util::String("g_Projector"));
		m_globalShaderParams[eGShaderMatMV] = GlobalShaderParam(matrix44(),Util::String("g_ModelView"));

		float4 row(0.f,0.f,0.f,0.f);
		for (SizeT i = 0; i < MAX_LIGHT_SUPPORT; ++i)
		{
			m_globalShaderParams[eGShaderMatLightP0 + i] = GlobalShaderParam(matrix44(row,row,row,row),Util::String("g_LightProj") + Util::String::FromInt(i));
		}

		//vector map
		m_globalShaderParams[eGShaderVecAmbientColor] = GlobalShaderParam(float4(0.5f,0.5f,0.5f,1.0f),Util::String("g_Ambient"));
		m_globalShaderParams[eGShaderVecCameraPos] = GlobalShaderParam(float4(0.f,0.f,0.f,0.f),Util::String("g_CameraPos"));
		m_globalShaderParams[eGShaderVecCameraParam] = GlobalShaderParam(float4(0.f,0.f,0.f,0.f),Util::String("g_CameraParam"));
		m_globalShaderParams[eGShaderVecScreenSize] = GlobalShaderParam(float4(0.f,0.f,0.f,0.f),Util::String("g_ScreenSize"));
		m_globalShaderParams[eGShaderVecShadowMapSize] = GlobalShaderParam(float4(0.f,0.f,0.f,0.f),Util::String("g_ShadowMapSize"));
		m_globalShaderParams[eGShaderVecSoftShadowParam] = GlobalShaderParam(float4(0.3f,1.0f,0.f,0.f),Util::String("g_SoftShadowParam"));
		m_globalShaderParams[eGShaderVecShadowColor] = GlobalShaderParam(float4(0.f,0.f,0.f,1.f),Util::String("g_ShadowColor"));
		m_globalShaderParams[eGShaderVecDebugCameraColor] = GlobalShaderParam(float4(0.f,0.f,0.f,0.f),Util::String("g_DebugColor"));
		m_globalShaderParams[eGShaderVecFogColor] = GlobalShaderParam(float4(0.5f,0.5f,0.5f,0.0f),Util::String("g_FogColor"));
		m_globalShaderParams[eGShaderVecFogParam] = GlobalShaderParam(float4(0.0f,300.f,1.f,0.f),Util::String("g_FogParam"));
		m_globalShaderParams[eGShaderVecTime] = GlobalShaderParam(float4(0.f,0.f,0.f,0.f),Util::String("g_Time"));

		for (SizeT i = 0; i < MAX_LIGHT_SUPPORT; ++i)
		{
			m_globalShaderParams[eGShaderVecLightDir0 + i * 4] = GlobalShaderParam(float4(0.f,0.f,0.f,0.f),Util::String("g_LightDir") + Util::String::FromInt(i));
			m_globalShaderParams[eGShaderVecLightDiffuse0 + i * 4] = GlobalShaderParam(float4(0.f,0.f,0.f,0.f),Util::String("g_LightDiffuse") + Util::String::FromInt(i));
			m_globalShaderParams[eGShaderVecLightPos0 + i * 4] = GlobalShaderParam(float4(0.f,0.f,0.f,-1.f),Util::String("g_LightPos") + Util::String::FromInt(i));
			m_globalShaderParams[eGShaderVecLightAttenuation0 + i * 4] = GlobalShaderParam(float4(0.f,0.f,0.f,0.f),Util::String("g_LightAttenFactor") + Util::String::FromInt(i));
		}

		m_globalShaderParams[eGShaderVecLightCameraNear] = GlobalShaderParam(float4(0.f,0.f,0.f,0.f),Util::String("g_LightCameraNear"));
		m_globalShaderParams[eGShaderVecLightCameraFar] = GlobalShaderParam(float4(0.f,0.f,0.f,0.f),Util::String("g_LightCameraFar"));
		m_globalShaderParams[eGShaderVecLightCameraFrustumIntervalEnd] = GlobalShaderParam(float4(0.f,0.f,0.f,0.f),Util::String("g_LightCameraFrustumIntervalEnd"));

		m_globalShaderParams[eGShaderBoolDefaultLight] = GlobalShaderParam(float4(1.f,0.f,0.f,0.f),Util::String("g_DefaultLight"));
		m_globalShaderParams[eGShaderParticleMeshColor] = GlobalShaderParam(float4(1.f,1.f,1.f,1.f),Util::String("g_ParticleMeshColor"));
		m_globalShaderParams[eGShaderParticleTime] = GlobalShaderParam(float4(1.f,0.f,0.f,0.f),Util::String("g_ParticleTime"));
		m_globalShaderParams[eGShaderParticleForce] = GlobalShaderParam(float4(0.f,0.f,0.f,3.0f),Util::String("g_ParticleForce"));
		m_globalShaderParams[eGShaderParticleGravity] = GlobalShaderParam(float4(0.f,0.f,0.f,0.f),Util::String("g_ParticleGravity"));
		m_globalShaderParams[eGShaderParticleMovement] = GlobalShaderParam(float4(0.f,0.f,0.f,0.f),Util::String("g_ParticleMovement"));
		m_globalShaderParams[eGShaderParticleColor] = GlobalShaderParam(float4(1.f,1.f,1.f,1.f),Util::String("g_ParticleColor"));
		m_globalShaderParams[eGShaderParticleTexAnim] = GlobalShaderParam(float4(1.f,1.f,0.f,0.f),Util::String("g_ParticleTexAnim"));
		m_globalShaderParams[eGShaderParticleUpVec] = GlobalShaderParam(float4(0.f,1.f,0.f,0.f),Util::String("g_ParticleUpVec"));
		m_globalShaderParams[eGShaderParticleRightVec] = GlobalShaderParam(float4(1.f,0.f,0.f,0.f),Util::String("g_ParticleRightVec"));

		m_globalShaderParams[eGShaderMatLMTexParam] = GlobalShaderParam(float4(0.f,0.f,1.f,1.f),Util::String("g_LMTexParam"));
		m_globalShaderParams[eGShaderMatLMEnable] = GlobalShaderParam(float4(0.f,0.f,0.f,0.f),Util::String("g_UseLM"));
		m_globalShaderParams[eGShaderMatShadowReceive] = GlobalShaderParam(float4(1.f,1.f,1.f,1.f),Util::String("g_ShadowReceive"));

		// texture

		m_globalShaderParams[eGShaderTexMainBuffer] =  GlobalShaderParam(RenderBase::TextureHandle(),Util::String("g_MainBuffer"));
		m_globalShaderParams[eGShaderTexDepthMap] =  GlobalShaderParam(RenderBase::TextureHandle(),Util::String("g_DepthMap"));
		m_globalShaderParams[eGShaderTexLightLitMap] =  GlobalShaderParam(RenderBase::TextureHandle(),Util::String("g_LightLitMap"));
		m_globalShaderParams[eGShaderTexShadowMap0] =  GlobalShaderParam(RenderBase::TextureHandle(),Util::String("g_ShadowMap0"));
		m_globalShaderParams[eGShaderTexShadowMap1] =  GlobalShaderParam(RenderBase::TextureHandle(),Util::String("g_ShadowMap1"));
		m_globalShaderParams[eGShaderTexShadowMap2] =  GlobalShaderParam(RenderBase::TextureHandle(),Util::String("g_ShadowMap2"));
		m_globalShaderParams[eGShaderTexShadowMap3] =  GlobalShaderParam(RenderBase::TextureHandle(),Util::String("g_ShadowMap3"));
		m_globalShaderParams[eGShaderTexShadowMap4] =  GlobalShaderParam(RenderBase::TextureHandle(),Util::String("g_ShadowMap4"));
		m_globalShaderParams[eGShaderTexShadowMap5] =  GlobalShaderParam(RenderBase::TextureHandle(),Util::String("g_ShadowMap5"));
		m_globalShaderParams[eGShaderTexShadowMap6] =  GlobalShaderParam(RenderBase::TextureHandle(),Util::String("g_ShadowMap6"));
		m_globalShaderParams[eGShaderTexShadowMap7] =  GlobalShaderParam(RenderBase::TextureHandle(),Util::String("g_ShadowMap7"));
		m_globalShaderParams[eGShaderTexSwapBuffer] =  GlobalShaderParam(RenderBase::TextureHandle(),Util::String("g_SwapBuffer"));
		m_globalShaderParams[eGShaderTexProjectorMap] = GlobalShaderParam(RenderBase::TextureHandle(),Util::String("g_ProjectorMap"));

		m_globalShaderParams[eGShaderTexCustom0] = GlobalShaderParam(RenderBase::TextureHandle(),Util::String("g_CustomMap0"));
		m_globalShaderParams[eGShaderTexCustom1] = GlobalShaderParam(RenderBase::TextureHandle(),Util::String("g_CustomMap1"));
		m_globalShaderParams[eGShaderTexCustom2] = GlobalShaderParam(RenderBase::TextureHandle(),Util::String("g_CustomMap2"));
		m_globalShaderParams[eGShaderTexCustom3] = GlobalShaderParam(RenderBase::TextureHandle(),Util::String("g_CustomMap3"));

		m_globalShaderParams[eGShaderTexDfNormalMap] = GlobalShaderParam(RenderBase::TextureHandle(),Util::String("g_DfNormalMap"));
		m_globalShaderParams[eGShaderTexDfDepthMap] = GlobalShaderParam(RenderBase::TextureHandle(),Util::String("g_DfDepthMap"));
		m_globalShaderParams[eGShaderTexDfParamMap] = GlobalShaderParam(RenderBase::TextureHandle(),Util::String("g_DfParamMap"));
		m_globalShaderParams[eGShaderTexDfLightMap0] = GlobalShaderParam(RenderBase::TextureHandle(),Util::String("g_DfAndSpecMap0"));
		m_globalShaderParams[eGShaderTexDfLightMap1] = GlobalShaderParam(RenderBase::TextureHandle(),Util::String("g_DfAndSpecMap1"));
		m_globalShaderParams[eGShaderTexDfLightMap2] = GlobalShaderParam(RenderBase::TextureHandle(),Util::String("g_DfAndSpecMap2"));

		// lightmap support 
		m_globalShaderParams[eGShaderTexLightmap] = GlobalShaderParam(RenderBase::TextureHandle(),Util::String("g_Lightmap"));
		m_globalShaderParams[eGShaderTexLightmap2] = GlobalShaderParam(RenderBase::TextureHandle(),Util::String("g_Lightmap2"));
	}
	//------------------------------------------------------------------------
	void GlobalMaterialParam::SetMatrixParam(GlobalMatrixParamIndex index, const matrix44& mat)
	{
		n_assert(index >= eGShaderMatBegin && index < eGShaderMatEnd);
		m_globalShaderParams[index].m_value.SetMatrix44(mat);
	}

	void GlobalMaterialParam::GetMatrixParam(GlobalMatrixParamIndex index,Util::String& name, Math::matrix44& mat) const
	{
		n_assert(index >= eGShaderMatBegin && index < eGShaderMatEnd);

		name = m_globalShaderParams[index].m_name;
		mat = m_globalShaderParams[index].m_value.GetMatrix44();
	}

	void GlobalMaterialParam::SetVectorParam(GlobalVectorParamIndex index, const float4& vec)
	{
		n_assert(index >= eGShaderVecBegin && index < eGShaderVecEnd);

		m_globalShaderParams[index].m_value.SetFloat4(vec);
	}

	void GlobalMaterialParam::GetVectorParam(GlobalVectorParamIndex index,Util::String& name,Math::float4& vec) const
	{
		n_assert(index >= eGShaderVecBegin && index < eGShaderVecEnd);

		name = m_globalShaderParams[index].m_name;
		vec = m_globalShaderParams[index].m_value.GetFloat4();
	}

	void GlobalMaterialParam::SetVectorParam_X(GlobalVectorParamIndex index,float val)
	{
		n_assert(index >= eGShaderVecBegin && index < eGShaderVecEnd);

		m_globalShaderParams[index].m_value.SetFloat4_X(val);
	}

	void GlobalMaterialParam::GetVectorParam_X(GlobalVectorParamIndex index,Util::String& name,float& val) const
	{
		n_assert(index >= eGShaderVecBegin && index < eGShaderVecEnd);

		name = m_globalShaderParams[index].m_name;
		val = m_globalShaderParams[index].m_value.GetFloat4_X();
	}

	void GlobalMaterialParam::SetVectorParam_Y(GlobalVectorParamIndex index,float val)
	{
		n_assert(index >= eGShaderVecBegin && index < eGShaderVecEnd);

		m_globalShaderParams[index].m_value.SetFloat4_Y(val);
	}

	void GlobalMaterialParam::GetVectorParam_Y(GlobalVectorParamIndex index,Util::String& name,float& val) const
	{
		n_assert(index >= eGShaderVecBegin && index < eGShaderVecEnd);

		name = m_globalShaderParams[index].m_name;
		val = m_globalShaderParams[index].m_value.GetFloat4_Y();
	}

	void GlobalMaterialParam::SetVectorParam_Z(GlobalVectorParamIndex index,float val)
	{
		n_assert(index >= eGShaderVecBegin && index < eGShaderVecEnd);

		m_globalShaderParams[index].m_value.SetFloat4_Z(val);
	}

	void GlobalMaterialParam::GetVectorParam_Z(GlobalVectorParamIndex index,Util::String& name,float& val) const
	{
		n_assert(index >= eGShaderVecBegin && index < eGShaderVecEnd);

		name = m_globalShaderParams[index].m_name;
		val = m_globalShaderParams[index].m_value.GetFloat4_Z();
	}

	void GlobalMaterialParam::SetVectorParam_W(GlobalVectorParamIndex index,float val)
	{
		n_assert(index >= eGShaderVecBegin && index < eGShaderVecEnd);

		m_globalShaderParams[index].m_value.SetFloat4_W(val);
	}

	void GlobalMaterialParam::GetVectorParam_W(GlobalVectorParamIndex index,Util::String& name,float& val) const
	{
		n_assert(index >= eGShaderVecBegin && index < eGShaderVecEnd);

		name = m_globalShaderParams[index].m_name;
		val = m_globalShaderParams[index].m_value.GetFloat4_W();
	}

	void GlobalMaterialParam::SetTextureParam(GlobalTexParamIndex index, const Util::String& texName, RenderBase::TextureHandle texHandle)
	{
		n_assert( index >= eGShaderTexBegin && index < eGShaderTexEnd);

		if ( m_globalShaderParams[index].m_name == texName )
		{
			m_globalShaderParams[index].m_value.SetObject(texHandle.AsObject());
		}
		else
		{
			n_warning("GlobalMaterialParam::SetTextureParam: Invalid texName/n" );
		}
	}

	void GlobalMaterialParam::SetTextureParam(GlobalTexParamIndex index, RenderBase::TextureHandle texHandle)
	{
		n_assert( index >= eGShaderTexBegin && index < eGShaderTexEnd);

		m_globalShaderParams[index].m_value.SetObject(texHandle.AsObject());
	}

	void GlobalMaterialParam::GetTextureParam(GlobalTexParamIndex index,Util::String& name,RenderBase::TextureHandle& handle) const
	{
		n_assert( index >= eGShaderTexBegin && index < eGShaderTexEnd);

		name = m_globalShaderParams[index].m_name;
		handle = m_globalShaderParams[index].GetHandle();
	}

	void GlobalMaterialParam::ResetTextureCache()
	{
		for ( IndexT i = eGShaderTexBegin; i < eGShaderTexEnd; ++i )
		{
			m_globalShaderParams[i].m_value.SetObject(NULL);
		}
	}

	RenderBase::TextureHandle 
		GlobalMaterialParam::FindTextureParam(const Util::String& texName)
	{
		for ( IndexT index = eGShaderTexBegin; index < eGShaderTexEnd; ++index )
		{
			if ( m_globalShaderParams[index].m_name == texName )
			{
				return m_globalShaderParams[index].GetHandle();
			}
		}
		return RenderBase::TextureHandle();
	}

}