213 lines
8.4 KiB
C#
213 lines
8.4 KiB
C#
// Amplify Shader Editor - Visual Shader Editing Tool
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// Copyright (c) Amplify Creations, Lda <info@amplify.pt>
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using System;
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using UnityEngine;
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using UnityEditor;
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namespace AmplifyShaderEditor
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{
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[Serializable]
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[NodeAttributes( "SRP Baked GI", "Miscellaneous", "Gets Baked GI info." )]
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public sealed class BakedGINode : ParentNode
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{
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private const string BakedGIHeaderHDRP = "ASEBakedGI( {0}, {1}, {2}, {3} )";
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private readonly string[] BakedGIBodyHDRP =
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{
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"float3 ASEBakedGI( float3 positionWS, float3 normalWS, float2 uvStaticLightmap, float2 uvDynamicLightmap )\n",
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"{\n",
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"\tfloat3 positionRWS = GetCameraRelativePositionWS( positionWS );\n",
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"\treturn SampleBakedGI( positionRWS, normalWS, uvStaticLightmap, uvDynamicLightmap );\n",
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"}\n"
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};
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private const string BakedGIHeaderHDRP2 = "ASEBakedGI( {0}, {1}, {2}, {3}, {4} )";
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private readonly string[] BakedGIBodyHDRP2 =
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{
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"float3 ASEBakedGI( float3 positionWS, float3 normalWS, uint2 positionSS, float2 uvStaticLightmap, float2 uvDynamicLightmap )\n",
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"{\n",
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"\tfloat3 positionRWS = GetCameraRelativePositionWS( positionWS );\n",
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"\tbool needToIncludeAPV = true;\n",
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"\treturn SampleBakedGI( positionRWS, normalWS, positionSS, uvStaticLightmap, uvDynamicLightmap, needToIncludeAPV );\n",
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"}\n"
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};
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private readonly string BakedGIHeaderURP = "ASEBakedGI( {0}, {1}, {2})";
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private readonly string[] BakedGIBodyURP =
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{
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"float3 ASEBakedGI( float3 normalWS, float2 uvStaticLightmap, bool applyScaling )\n",
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"{\n",
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"#ifdef LIGHTMAP_ON\n",
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"\tif( applyScaling )\n",
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"\t\tuvStaticLightmap = uvStaticLightmap * unity_LightmapST.xy + unity_LightmapST.zw;\n",
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"\treturn SampleLightmap( uvStaticLightmap, normalWS );\n",
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"#else\n",
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"\treturn SampleSH(normalWS);\n",
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"#endif\n",
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"}\n"
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};
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private readonly string BakedGIHeaderURP2 = "ASEBakedGI( {0}, {1}, {2}, {3}, {4}, {5})";
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private readonly string[] BakedGIBodyURP2 =
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{
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"float3 ASEBakedGI( float3 positionWS, float3 normalWS, uint2 positionSS, float2 uvStaticLightmap, float2 uvDynamicLightmap, bool applyScaling )\n",
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"{\n",
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"#ifdef LIGHTMAP_ON\n",
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"\tif (applyScaling)\n",
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"\t{\n",
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"\t\tuvStaticLightmap = uvStaticLightmap * unity_LightmapST.xy + unity_LightmapST.zw;\n",
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"\t\tuvDynamicLightmap = uvDynamicLightmap * unity_DynamicLightmapST.xy + unity_DynamicLightmapST.zw;\n",
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"\t}\n",
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"#if defined(DYNAMICLIGHTMAP_ON)\n",
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"\treturn SampleLightmap(uvStaticLightmap, uvDynamicLightmap, normalWS);\n",
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"#else\n",
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"\treturn SampleLightmap(uvStaticLightmap, normalWS);\n",
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"#endif\n",
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"#else\n",
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"#if (defined(PROBE_VOLUMES_L1) || defined(PROBE_VOLUMES_L2))\n",
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"\tif (_EnableProbeVolumes)\n",
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"\t{\n",
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"\t\tfloat3 bakeDiffuseLighting;\n",
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"\t\tEvaluateAdaptiveProbeVolume(positionWS, normalWS, GetWorldSpaceNormalizeViewDir(positionWS), positionSS, bakeDiffuseLighting);\n",
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"\t\treturn bakeDiffuseLighting;\n",
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"\t}\n",
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"\telse\n",
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"\treturn SampleSH(normalWS);\n",
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"#else\n",
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"\treturn SampleSH(normalWS);\n",
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"#endif\n",
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"#endif\n",
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"}\n"
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};
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private const string ApplyScalingStr = "Apply Scaling";
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[SerializeField]
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private bool m_applyScaling = true;
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protected override void CommonInit( int uniqueId )
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{
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base.CommonInit( uniqueId );
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AddInputPort( WirePortDataType.FLOAT3, false, "World Position" );
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AddInputPort( WirePortDataType.FLOAT3, false, "World Normal" );
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AddInputPort( WirePortDataType.FLOAT2, false, "Static UV" );
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AddInputPort( WirePortDataType.FLOAT2, false, "Dynamic UV" );
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AddInputPort( WirePortDataType.FLOAT4, false, "Screen Position" );
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AddOutputPort( WirePortDataType.FLOAT3, Constants.EmptyPortValue );
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m_textLabelWidth = 95;
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m_autoWrapProperties = true;
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}
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public override void DrawProperties()
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{
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base.DrawProperties();
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EditorGUILayout.HelpBox( "Screen Position input must be Normalized (xyz/w), which is the default setting for Screen Position node.", MessageType.Info );
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m_applyScaling = EditorGUILayoutToggle( ApplyScalingStr, m_applyScaling );
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}
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public override string GenerateShaderForOutput( int outputId, ref MasterNodeDataCollector dataCollector, bool ignoreLocalvar )
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{
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if( !dataCollector.IsSRP )
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{
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UIUtils.ShowMessage( "Node only intended to use on HDRP and URP rendering pipelines" );
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return GenerateErrorValue();
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}
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if( m_outputPorts[ 0 ].IsLocalValue( dataCollector.PortCategory ) )
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return m_outputPorts[ 0 ].LocalValue( dataCollector.PortCategory );
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string positionWS;
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if ( m_inputPorts[ 0 ].IsConnected )
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{
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positionWS = m_inputPorts[ 0 ].GeneratePortInstructions( ref dataCollector );
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}
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else
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{
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positionWS = GeneratorUtils.GenerateWorldPosition( ref dataCollector, UniqueId );
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}
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string normalWS;
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if ( m_inputPorts[ 1 ].IsConnected )
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{
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normalWS = m_inputPorts[ 1 ].GeneratePortInstructions( ref dataCollector );
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}
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else
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{
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normalWS = GeneratorUtils.GenerateWorldNormal( ref dataCollector, UniqueId );
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}
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string uvStaticLightmap = m_inputPorts[ 2 ].GeneratePortInstructions( ref dataCollector );
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string uvDynamicLightmap = m_inputPorts[ 3 ].GeneratePortInstructions( ref dataCollector );
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string screenPos;
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string positionSS;
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if ( m_inputPorts[ 4 ].IsConnected )
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{
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screenPos = m_inputPorts[ 4 ].GeneratePortInstructions( ref dataCollector );
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positionSS = string.Format( "( uint2 )( {0}.xy * _ScreenSize.xy )", screenPos );
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}
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else
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{
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screenPos = GeneratorUtils.GenerateScreenPositionRaw( ref dataCollector, UniqueId, CurrentPrecisionType );
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positionSS = string.Format( "( uint2 )( {0}.xy / {0}.w * _ScreenSize.xy )", screenPos );
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}
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string localVarName = "bakedGI" + OutputId;
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if ( dataCollector.TemplateDataCollectorInstance.IsHDRP )
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{
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bool unityIsBeta = TemplateHelperFunctions.GetUnityBetaVersion( out int betaVersion );
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int unityVersion = TemplateHelperFunctions.GetUnityVersion();
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if ( ASEPackageManagerHelper.CurrentHDRPBaseline == ASESRPBaseline.ASE_SRP_14 && unityVersion >= 20220326 ||
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ASEPackageManagerHelper.CurrentHDRPBaseline == ASESRPBaseline.ASE_SRP_16 && unityVersion >= 20230220 ||
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ASEPackageManagerHelper.CurrentHDRPBaseline == ASESRPBaseline.ASE_SRP_17 && unityIsBeta && betaVersion >= 15 ||
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ASEPackageManagerHelper.CurrentSRPVersion >= ( int )170003 )
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{
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dataCollector.AddToPragmas( UniqueId, "multi_compile_fragment _ PROBE_VOLUMES_L1 PROBE_VOLUMES_L2" );
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dataCollector.AddFunction( BakedGIBodyHDRP2[ 0 ], BakedGIBodyHDRP2, false );
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RegisterLocalVariable( 0, string.Format( BakedGIHeaderHDRP2, positionWS, normalWS, positionSS, uvStaticLightmap, uvDynamicLightmap ), ref dataCollector, localVarName );
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}
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else
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{
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dataCollector.AddFunction( BakedGIBodyHDRP[ 0 ], BakedGIBodyHDRP, false );
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RegisterLocalVariable( 0, string.Format( BakedGIHeaderHDRP, positionWS, normalWS, uvStaticLightmap, uvDynamicLightmap ), ref dataCollector, localVarName );
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}
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}
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else
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{
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if ( ASEPackageManagerHelper.CurrentURPBaseline >= ASESRPBaseline.ASE_SRP_15 )
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{
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dataCollector.AddToPragmas( UniqueId, "multi_compile_fragment _ PROBE_VOLUMES_L1 PROBE_VOLUMES_L2" );
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dataCollector.AddFunction( BakedGIBodyURP2[ 0 ], BakedGIBodyURP2, false );
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RegisterLocalVariable( 0, string.Format( BakedGIHeaderURP2, positionWS, normalWS, positionSS, uvStaticLightmap, uvDynamicLightmap, m_applyScaling ? "true" : "false" ), ref dataCollector, localVarName );
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}
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else
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{
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dataCollector.AddFunction( BakedGIBodyURP[ 0 ], BakedGIBodyURP, false );
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RegisterLocalVariable( 0, string.Format( BakedGIHeaderURP, normalWS, uvStaticLightmap, m_applyScaling ? "true" : "false" ), ref dataCollector, localVarName );
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}
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}
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return localVarName;
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}
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public override void ReadFromString( ref string[] nodeParams )
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{
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base.ReadFromString( ref nodeParams );
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m_applyScaling = Convert.ToBoolean( GetCurrentParam( ref nodeParams ) );
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}
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public override void WriteToString( ref string nodeInfo, ref string connectionsInfo )
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{
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base.WriteToString( ref nodeInfo, ref connectionsInfo );
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IOUtils.AddFieldValueToString( ref nodeInfo, m_applyScaling );
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}
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}
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}
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