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- // Amplify Shader Editor - Visual Shader Editing Tool
- // Copyright (c) Amplify Creations, Lda <info@amplify.pt>
- //
- // Custom Node Remap
- // Donated by The Four Headed Cat - @fourheadedcat
- using UnityEngine;
- using System;
- namespace AmplifyShaderEditor
- {
- [Serializable]
- [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" )]
- public sealed class TFHCRemapNode : DynamicTypeNode
- {
-
- protected override void CommonInit( int uniqueId )
- {
- base.CommonInit( uniqueId );
- m_inputPorts[ 0 ].Name = Constants.EmptyPortValue;
- m_inputPorts[ 1 ].Name = "Min Old";
- AddInputPort( WirePortDataType.FLOAT, false, "Max Old" );
- m_inputPorts[ 2 ].FloatInternalData = 1;
- AddInputPort( WirePortDataType.FLOAT, false, "Min New" );
- AddInputPort( WirePortDataType.FLOAT, false, "Max New" );
- m_inputPorts[ 4 ].FloatInternalData = 1;
- m_textLabelWidth = 100;
- m_useInternalPortData = true;
- m_previewShaderGUID = "72dd1cbea889fa047b929d5191e360c0";
- }
-
- public override void OnInputPortConnected( int portId, int otherNodeId, int otherPortId, bool activateNode = true )
- {
- base.OnInputPortConnected( portId, otherNodeId, otherPortId, activateNode );
- UpdateConnections();
- }
-
- public override void OnConnectedOutputNodeChanges( int outputPortId, int otherNodeId, int otherPortId, string name, WirePortDataType type )
- {
- base.OnConnectedOutputNodeChanges( outputPortId, otherNodeId, otherPortId, name, type );
- UpdateConnections();
- }
-
- void UpdateConnections()
- {
- m_inputPorts[ 0 ].MatchPortToConnection();
- m_inputPorts[ 1 ].ChangeType( m_inputPorts[ 0 ].DataType, false );
- m_inputPorts[ 2 ].ChangeType( m_inputPorts[ 0 ].DataType, false );
- m_inputPorts[ 3 ].ChangeType( m_inputPorts[ 0 ].DataType, false );
- m_inputPorts[ 4 ].ChangeType( m_inputPorts[ 0 ].DataType, false );
- m_outputPorts[ 0 ].ChangeType( m_inputPorts[ 0 ].DataType, false );
- }
-
- public override string GenerateShaderForOutput( int outputId, ref MasterNodeDataCollector dataCollector, bool ignoreLocalvar )
- {
- string value = m_inputPorts[ 0 ].GeneratePortInstructions( ref dataCollector );
- string oldMin = m_inputPorts[ 1 ].GenerateShaderForOutput( ref dataCollector, m_inputPorts[ 0 ].DataType, ignoreLocalvar, true );
- string oldMax = m_inputPorts[ 2 ].GenerateShaderForOutput( ref dataCollector, m_inputPorts[ 0 ].DataType, ignoreLocalvar, true );
- string newMin = m_inputPorts[ 3 ].GenerateShaderForOutput( ref dataCollector, m_inputPorts[ 0 ].DataType, ignoreLocalvar, true );
- string newMax = m_inputPorts[ 4 ].GenerateShaderForOutput( ref dataCollector, m_inputPorts[ 0 ].DataType, ignoreLocalvar, true );
- string strout = "(" + newMin + " + (" + value + " - " + oldMin + ") * (" + newMax + " - " + newMin + ") / (" + oldMax + " - " + oldMin + "))";
-
- return CreateOutputLocalVariable( 0, strout, ref dataCollector );
- }
- }
- }
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