Redo of render paths

src/Engine/Material/ShaderExpression.h

@@ -0,0 +1,79 @@
+#pragma once
+#include "MinimalEngine.h"
+
+namespace Seele
+{
+struct ExpressionInput
+{
+
+};
+struct ExpressionOutput
+{
+
+};
+struct ShaderExpression
+{
+};
+struct ShaderParameter : public ShaderExpression
+{
+    std::string name;
+};
+DEFINE_REF(ShaderParameter);
+struct FloatParameter : public ShaderParameter
+{
+    float defaultValue;
+    bool setParameter(const std::string& paramName, float newDefault)
+    {
+        if(name.compare(paramName) == 0)
+        {
+            defaultValue = newDefault;
+            return true;
+        }
+        return false;
+    }
+};
+DEFINE_REF(FloatParameter);
+struct VectorParameter : public ShaderParameter
+{
+    Vector defaultValue;
+    bool setParameter(const std::string& paramName, Vector newDefault)
+    {
+        if(name.compare(paramName) == 0)
+        {
+            defaultValue = newDefault;
+            return true;
+        }
+        return false;
+    }
+};
+DEFINE_REF(VectorParameter);
+DECLARE_NAME_REF(Gfx, Texture2D);
+struct TextureParameter : public ShaderParameter
+{
+    Gfx::PTexture2D defaultValue;
+    bool setParameter(const std::string& paramName, Gfx::PTexture2D newDefault)
+    {
+        if(name.compare(paramName) == 0)
+        {
+            return true;
+        }
+        return false;
+    }
+};
+DEFINE_REF(TextureParameter);
+DECLARE_NAME_REF(Gfx, SamplerState);
+struct SamplerParameter : public ShaderParameter
+{
+    Gfx::PSamplerState defaultValue;
+    bool setParameter(const std::string& paramName, Gfx::PSamplerState newDefault)
+    {
+        if(name.compare(paramName) == 0)
+        {
+            return true;
+        }
+        return false;
+    }
+};
+DEFINE_REF(SamplerParameter);
+
+} // namespace Seele