*移动amplify shader editor到third party目录

1 files changed, 93 insertions, 0 deletions

diff --git a/Assets/ThirdParty/AmplifyShaderEditor/Plugins/Editor/Nodes/ImageEffects/RGBToHSVNode.cs b/Assets/ThirdParty/AmplifyShaderEditor/Plugins/Editor/Nodes/ImageEffects/RGBToHSVNode.cs
new file mode 100644
index 00000000..1fa7c92e
--- /dev/null
+++ b/Assets/ThirdParty/AmplifyShaderEditor/Plugins/Editor/Nodes/ImageEffects/RGBToHSVNode.cs
@@ -0,0 +1,93 @@
+using System;
+
+namespace AmplifyShaderEditor
+{
+	[Serializable]
+	[NodeAttributes( "RGB to HSV", "Image Effects", "Converts from RGB to HSV color space" )]
+	public sealed class RGBToHSVNode : ParentNode
+	{
+		public static readonly string RGBToHSVHeader = "RGBToHSV( {0} )";
+		public static readonly string[] RGBToHSVFunction = {	"{0}3 RGBToHSV({0}3 c)\n",
+																"{\n",
+																"\t{0}4 K = {0}4(0.0, -1.0 / 3.0, 2.0 / 3.0, -1.0);\n",
+																"\t{0}4 p = lerp( {0}4( c.bg, K.wz ), {0}4( c.gb, K.xy ), step( c.b, c.g ) );\n",
+																"\t{0}4 q = lerp( {0}4( p.xyw, c.r ), {0}4( c.r, p.yzx ), step( p.x, c.r ) );\n",
+																"\t{0} d = q.x - min( q.w, q.y );\n",
+																"\t{0} e = 1.0e-10;\n",
+																"\treturn {0}3( abs(q.z + (q.w - q.y) / (6.0 * d + e)), d / (q.x + e), q.x);\n",
+																"}"
+															};
+
+		public static readonly bool[] RGBToHSVFlags = {	true,
+														false,
+														true,
+														true,
+														true,
+														true,
+														true,
+														true,
+														false};
+
+		protected override void CommonInit( int uniqueId )
+		{
+			base.CommonInit( uniqueId );
+			AddInputPort( WirePortDataType.FLOAT3, false, "RGB" );
+			AddOutputPort( WirePortDataType.FLOAT3, "HSV" );
+			AddOutputPort( WirePortDataType.FLOAT, "Hue" );
+			AddOutputPort( WirePortDataType.FLOAT, "Saturation" );
+			AddOutputPort( WirePortDataType.FLOAT, "Value" );
+			m_previewShaderGUID = "0f2f09b49bf4954428aafa2dfe1a9a09";
+			m_useInternalPortData = true;
+			m_autoWrapProperties = true;
+			m_customPrecision = true;
+		}
+
+		public override void DrawProperties()
+		{
+			base.DrawProperties();
+			DrawPrecisionProperty();
+		}
+
+		public void AddRGBToHSVFunction( ref MasterNodeDataCollector dataCollector, string precisionString )
+		{
+			if( !dataCollector.HasFunction( RGBToHSVHeader ) )
+			{
+				//Hack to be used util indent is properly used
+				int currIndent = UIUtils.ShaderIndentLevel;
+				if( dataCollector.MasterNodeCategory == AvailableShaderTypes.Template )
+				{
+					UIUtils.ShaderIndentLevel = 0;
+				}
+				else
+				{
+					UIUtils.ShaderIndentLevel = 1;
+					UIUtils.ShaderIndentLevel++;
+				}
+
+				string finalFunction = string.Empty;
+				for( int i = 0; i < RGBToHSVFunction.Length; i++ )
+				{
+					finalFunction += UIUtils.ShaderIndentTabs + ( RGBToHSVFlags[ i ] ? string.Format( RGBToHSVFunction[ i ], precisionString ) : RGBToHSVFunction[ i ] );
+				}
+				UIUtils.ShaderIndentLevel--;
+				UIUtils.ShaderIndentLevel = currIndent;
+
+				dataCollector.AddFunction( RGBToHSVHeader, finalFunction );
+			}
+		}
+
+		public override string GenerateShaderForOutput( int outputId, ref MasterNodeDataCollector dataCollector, bool ignoreLocalvar )
+		{
+			if ( m_outputPorts[ 0 ].IsLocalValue( dataCollector.PortCategory ) )
+				return GetOutputVectorItem( 0, outputId, m_outputPorts[ 0 ].LocalValue( dataCollector.PortCategory ) );
+
+			string precisionString = UIUtils.PrecisionWirePortToCgType( CurrentPrecisionType, WirePortDataType.FLOAT );
+			AddRGBToHSVFunction( ref dataCollector, precisionString );
+
+			string rgbValue = m_inputPorts[ 0 ].GeneratePortInstructions( ref dataCollector );
+
+			RegisterLocalVariable( 0, string.Format( RGBToHSVHeader, rgbValue ), ref dataCollector, "hsvTorgb" + OutputId );
+			return GetOutputVectorItem( 0, outputId, m_outputPorts[ 0 ].LocalValue( dataCollector.PortCategory ) );
+		}
+	}
+}