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64 lines
2.9 KiB
64 lines
2.9 KiB
// Amplify Shader Editor - Visual Shader Editing Tool
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// Copyright (c) Amplify Creations, Lda <info@amplify.pt>
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//
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// Custom Node Remap
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// Donated by The Four Headed Cat - @fourheadedcat
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using UnityEngine;
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using System;
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namespace AmplifyShaderEditor
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{
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[Serializable]
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[NodeAttributes( "Remap", "Math Operators", "Remap value from old min - max range to new min - max range", null, KeyCode.None, true, false, null, null, "The Four Headed Cat - @fourheadedcat" )]
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public sealed class TFHCRemapNode : DynamicTypeNode
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{
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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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m_inputPorts[ 0 ].Name = Constants.EmptyPortValue;
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m_inputPorts[ 1 ].Name = "Min Old";
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AddInputPort( WirePortDataType.FLOAT, false, "Max Old" );
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m_inputPorts[ 2 ].FloatInternalData = 1;
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AddInputPort( WirePortDataType.FLOAT, false, "Min New" );
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AddInputPort( WirePortDataType.FLOAT, false, "Max New" );
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m_inputPorts[ 4 ].FloatInternalData = 1;
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m_textLabelWidth = 100;
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m_useInternalPortData = true;
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m_previewShaderGUID = "72dd1cbea889fa047b929d5191e360c0";
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}
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public override void OnInputPortConnected( int portId, int otherNodeId, int otherPortId, bool activateNode = true )
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{
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base.OnInputPortConnected( portId, otherNodeId, otherPortId, activateNode );
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UpdateConnections();
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}
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public override void OnConnectedOutputNodeChanges( int outputPortId, int otherNodeId, int otherPortId, string name, WirePortDataType type )
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{
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base.OnConnectedOutputNodeChanges( outputPortId, otherNodeId, otherPortId, name, type );
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UpdateConnections();
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}
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void UpdateConnections()
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{
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m_inputPorts[ 0 ].MatchPortToConnection();
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m_inputPorts[ 1 ].ChangeType( m_inputPorts[ 0 ].DataType, false );
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m_inputPorts[ 2 ].ChangeType( m_inputPorts[ 0 ].DataType, false );
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m_inputPorts[ 3 ].ChangeType( m_inputPorts[ 0 ].DataType, false );
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m_inputPorts[ 4 ].ChangeType( m_inputPorts[ 0 ].DataType, false );
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m_outputPorts[ 0 ].ChangeType( m_inputPorts[ 0 ].DataType, false );
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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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string value = m_inputPorts[ 0 ].GeneratePortInstructions( ref dataCollector );
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string oldMin = m_inputPorts[ 1 ].GenerateShaderForOutput( ref dataCollector, m_inputPorts[ 0 ].DataType, ignoreLocalvar, true );
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string oldMax = m_inputPorts[ 2 ].GenerateShaderForOutput( ref dataCollector, m_inputPorts[ 0 ].DataType, ignoreLocalvar, true );
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string newMin = m_inputPorts[ 3 ].GenerateShaderForOutput( ref dataCollector, m_inputPorts[ 0 ].DataType, ignoreLocalvar, true );
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string newMax = m_inputPorts[ 4 ].GenerateShaderForOutput( ref dataCollector, m_inputPorts[ 0 ].DataType, ignoreLocalvar, true );
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string strout = "(" + newMin + " + (" + value + " - " + oldMin + ") * (" + newMax + " - " + newMin + ") / (" + oldMax + " - " + oldMin + "))";
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return CreateOutputLocalVariable( 0, strout, ref dataCollector );
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}
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}
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}
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