namespace UnityEditor.Graphs.Material
{
	public interface IRequiresTime {}

	public enum GenerationMode
	{
		Preview2D,
		Preview3D,
		SurfaceShader
	}

	public static class GenerationModeExtensions
	{
		public static bool IsPreview(this GenerationMode mode) { return mode == GenerationMode.Preview2D || mode == GenerationMode.Preview3D; }
		public static bool Is2DPreview(this GenerationMode mode) { return mode == GenerationMode.Preview2D; }
		public static bool Is3DPreview(this GenerationMode mode) { return mode == GenerationMode.Preview3D; }
	}

	public interface IGeneratesBodyCode
	{
		void GenerateNodeCode (ShaderGenerator visitor, GenerationMode generationMode);
	}

	public interface IGeneratesVertexToFragmentBlock
	{
		void GenerateVertexToFragmentBlock (ShaderGenerator visitor, GenerationMode generationMode);
	}

	public interface IGeneratesFunction
	{
		void GenerateNodeFunction (ShaderGenerator visitor, GenerationMode generationMode);
	}

	public interface IGeneratesVertexShaderBlock
	{
		void GenerateVertexShaderBlock (ShaderGenerator visitor, GenerationMode generationMode);
	}

	public interface IGenerateProperties
	{
		void GeneratePropertyBlock (PropertyGenerator visitor, GenerationMode generationMode);
		void GeneratePropertyUsages (ShaderGenerator visitor, GenerationMode generationMode);
	}
}