1 files changed, 144 insertions, 0 deletions
diff --git a/Runtime/Shaders/UnityPropertySheet.cpp b/Runtime/Shaders/UnityPropertySheet.cpp
new file mode 100644
index 0000000..7dc894d
--- /dev/null
+++ b/Runtime/Shaders/UnityPropertySheet.cpp
@@ -0,0 +1,144 @@
+#include "UnityPrefix.h"
+#include "UnityPropertySheet.h"
+#include "External/shaderlab/Library/shaderlab.h"
+#include "External/shaderlab/Library/properties.h"
+#include "External/shaderlab/Library/texenv.h"
+#include "External/shaderlab/Library/SLParserData.h"
+#include "Runtime/Math/ColorSpaceConversion.h"
+
+UnityPropertySheet::UnityTexEnv::UnityTexEnv()
+{
+	m_Scale = Vector2f(1,1);
+	m_Offset = Vector2f(0,0);
+	m_Texture = 0;
+}
+
+
+#if UNITY_EDITOR
+void UnityPropertySheet::CullUnusedProperties (const ShaderLab::ParserShader* source)
+{
+	if (!source)
+		return;
+	
+	TexEnvMap::iterator	curTex = m_TexEnvs.begin();
+	TexEnvMap::iterator	texEnd = m_TexEnvs.end();
+	
+	while (curTex != texEnd)
+	{
+		const char*	propName = curTex->first.GetName(); 
+		
+		bool propFound = false;
+		for (unsigned i = 0; i < source->m_PropInfo.m_Props.size(); ++i)
+		{
+			const ShaderLab::ParserProperty& srcProp = source->m_PropInfo.m_Props[i];
+			if(srcProp.m_Type == ShaderLab::ParserProperty::kTexture 
+				&& ::strcmp( srcProp.m_Name.c_str(), propName ) == 0 
+			  )
+			{
+				propFound = true;
+				break;
+			}
+		}
+		
+		if (propFound)
+			++curTex;
+		else
+			m_TexEnvs.erase(curTex++);
+		
+	}
+}
+#endif
+
+void UnityPropertySheet::AssignDefinedPropertiesTo (ShaderLab::PropertySheet &target)
+{
+	for (ShaderLab::PropertySheet::Floats::iterator i = target.GetFloatsMap().begin(); i != target.GetFloatsMap().end(); i++)
+	{
+		FloatMap::iterator j = m_Floats.find(i->first);
+		if (j != m_Floats.end())
+		{
+			i->second = j->second;
+		}
+	}
+	for (ShaderLab::PropertySheet::Vectors::iterator i = target.GetVectorMap().begin(); i != target.GetVectorMap().end(); i++)
+	{
+		ColorMap::iterator j = m_Colors.find(i->first);
+		if (j != m_Colors.end())
+		{
+			if (target.GetColorTag(i->first))
+				target.SetVector (i->first, GammaToActiveColorSpace(j->second).GetPtr());				
+			else
+				target.SetVector (i->first, j->second.GetPtr());
+		}
+	}
+	for (ShaderLab::PropertySheet::TexEnvs::iterator i = target.GetTexEnvsMap().begin(); i != target.GetTexEnvsMap().end(); i++)
+	{
+		TexEnvMap::iterator j = m_TexEnvs.find(i->first);
+		if (j != m_TexEnvs.end())
+		{
+			target.SetTextureWithPlacement( i->first, j->second.m_Texture, j->second.m_Scale, j->second.m_Offset );
+		}
+	}
+}
+
+
+bool UnityPropertySheet::AddNewShaderlabProps (const ShaderLab::PropertySheet &source)
+{
+	bool addedAny = false;
+	for (ShaderLab::PropertySheet::Floats::const_iterator i = source.GetFloatsMap().begin(); i != source.GetFloatsMap().end(); i++)
+	{
+		if (m_Floats.insert( std::make_pair(i->first, i->second) ).second)
+			addedAny = true;
+	}
+	for (ShaderLab::PropertySheet::Vectors::const_iterator i = source.GetVectorMap().begin(); i != source.GetVectorMap().end(); i++)
+	{
+		// skip texture _ST & _TexelSize properties
+		bool isTextureProp = false;
+		for (ShaderLab::PropertySheet::TexEnvs::const_iterator j = source.GetTexEnvsMap().begin(); j != source.GetTexEnvsMap().end(); ++j)
+		{
+			if (j->second.scaleOffsetValue == &i->second || j->second.texelSizeValue == &i->second)
+			{
+				isTextureProp = true;
+				break;
+			}
+		}
+		if (isTextureProp)
+			continue;
+
+		if (m_Colors.insert( std::make_pair(i->first, ColorRGBAf(i->second.x, i->second.y, i->second.z, i->second.w)) ).second)
+			addedAny = true;
+	}
+	for (ShaderLab::PropertySheet::TexEnvs::const_iterator i = source.GetTexEnvsMap().begin(); i != source.GetTexEnvsMap().end(); i++)
+	{
+		if (m_TexEnvs.find (i->first) == m_TexEnvs.end())
+		{
+			UnityTexEnv ut;
+			const Matrix4x4f& mat = i->second.texEnv->GetMatrix();
+			ut.m_Scale.Set( mat.Get(0,0), mat.Get(1,1) );
+			Vector3f pos = mat.GetPosition();
+			ut.m_Offset = Vector2f (pos.x, pos.y);
+			m_TexEnvs [i->first] = ut;
+			addedAny = true;
+		}
+	}
+
+	return addedAny;
+}
+
+void UnityPropertySheet::AddNewSerializedProps (const UnityPropertySheet &source)
+{
+	for (UnityPropertySheet::FloatMap::const_iterator i = source.m_Floats.begin(); i != source.m_Floats.end(); i++)
+	{
+		if (m_Floats.find (i->first) == m_Floats.end())
+			m_Floats [i->first] = i->second;
+	}
+	for (UnityPropertySheet::ColorMap::const_iterator i = source.m_Colors.begin(); i != source.m_Colors.end(); i++)
+	{
+		if (m_Colors.find (i->first) == m_Colors.end())
+			m_Colors [i->first] = i->second;
+	}
+	for (UnityPropertySheet::TexEnvMap::const_iterator i = source.m_TexEnvs.begin(); i != source.m_TexEnvs.end(); i++)
+	{
+		if (m_TexEnvs.find (i->first) == m_TexEnvs.end())
+			m_TexEnvs [i->first] = i->second;
+	}
+}