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133 lines
4.9 KiB
133 lines
4.9 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 If
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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( "If [Community]", "Logical Operators", "Compare A with B. If A is greater than B output the value of A > B port. If A is equal to B output the value of A == B port. If A is lower than B output the value of A < B port. Equal Threshold parameter will be used to check A == B adding and subtracting this value to A.", null, KeyCode.None, true, false, null, null, "The Four Headed Cat - @fourheadedcat" )]
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public sealed class TFHCIf : ParentNode
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{
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private WirePortDataType m_inputMainDataType = WirePortDataType.FLOAT;
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private WirePortDataType m_outputMainDataType = WirePortDataType.FLOAT;
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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.FLOAT, false, "A" );
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AddInputPort( WirePortDataType.FLOAT, false, "B" );
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AddInputPort( WirePortDataType.FLOAT, false, "A > B" );
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AddInputPort( WirePortDataType.FLOAT, false, "A == B" );
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AddInputPort( WirePortDataType.FLOAT, false, "A < B" );
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AddInputPort( WirePortDataType.FLOAT, false, "Equal Threshold" );
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AddOutputPort( WirePortDataType.FLOAT, Constants.EmptyPortValue );
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m_textLabelWidth = 110;
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m_useInternalPortData = true;
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m_previewShaderGUID = "5c7bc7e3cab81da499e4864ace0d86c5";
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}
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public override void OnConnectedOutputNodeChanges( int inputPortId, int otherNodeId, int otherPortId, string name, WirePortDataType type )
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{
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base.OnConnectedOutputNodeChanges( inputPortId, otherNodeId, otherPortId, name, type );
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UpdateConnection( inputPortId );
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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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UpdateConnection( portId );
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}
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public override void OnInputPortDisconnected( int portId )
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{
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UpdateConnection( portId );
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}
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void TestMainInputDataType()
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{
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WirePortDataType newType = WirePortDataType.FLOAT;
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if( m_inputPorts[ 0 ].IsConnected && UIUtils.GetPriority( m_inputPorts[ 0 ].DataType ) > UIUtils.GetPriority( newType ) )
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{
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newType = m_inputPorts[ 0 ].DataType;
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}
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if( m_inputPorts[ 1 ].IsConnected && ( UIUtils.GetPriority( m_inputPorts[ 1 ].DataType ) > UIUtils.GetPriority( newType ) ) )
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{
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newType = m_inputPorts[ 1 ].DataType;
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}
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if( m_inputPorts[ 5 ].IsConnected && ( UIUtils.GetPriority( m_inputPorts[ 5 ].DataType ) > UIUtils.GetPriority( newType ) ) )
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{
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newType = m_inputPorts[ 5 ].DataType;
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}
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m_inputMainDataType = newType;
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}
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void TestMainOutputDataType()
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{
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WirePortDataType newType = WirePortDataType.FLOAT;
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for( int i = 2; i < 5; i++ )
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{
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if( m_inputPorts[ i ].IsConnected && ( UIUtils.GetPriority( m_inputPorts[ i ].DataType ) > UIUtils.GetPriority( newType ) ) )
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{
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newType = m_inputPorts[ i ].DataType;
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}
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}
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if( newType != m_outputMainDataType )
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{
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m_outputMainDataType = newType;
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m_outputPorts[ 0 ].ChangeType( m_outputMainDataType, false );
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}
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}
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public void UpdateConnection( int portId )
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{
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m_inputPorts[ portId ].MatchPortToConnection();
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switch( portId )
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{
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case 0:
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case 1:
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case 5:
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{
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TestMainInputDataType();
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}
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break;
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case 2:
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case 3:
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case 4:
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{
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TestMainOutputDataType();
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}
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break;
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}
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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 a = m_inputPorts[ 0 ].GenerateShaderForOutput( ref dataCollector, m_inputMainDataType, ignoreLocalvar, true );
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string b = m_inputPorts[ 1 ].GenerateShaderForOutput( ref dataCollector, m_inputMainDataType, ignoreLocalvar, true );
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string r1 = m_inputPorts[ 2 ].GenerateShaderForOutput( ref dataCollector, m_outputMainDataType, ignoreLocalvar, true );
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string r2 = m_inputPorts[ 3 ].GenerateShaderForOutput( ref dataCollector, m_outputMainDataType, ignoreLocalvar, true );
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string r3 = m_inputPorts[ 4 ].GenerateShaderForOutput( ref dataCollector, m_outputMainDataType, ignoreLocalvar, true );
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string tr = m_inputPorts[ 5 ].GenerateShaderForOutput( ref dataCollector, m_inputMainDataType, ignoreLocalvar, true );
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// No Equal Threshold parameter
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//(a > b ? r1 : a == b ? r2 : r3 )
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//string strout = " ( " + a + " > " + b + " ? " + r1 + " : " + a + " == " + b + " ? " + r2 + " : " + r3 + " ) ";
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// With Equal Threshold parameter
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// ( a - tr > b ? r1 : a - tr <= b && a + tr >= b ? r2 : r3 )
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string strout = " ( " + a + " - " + tr + " > " + b + " ? " + r1 + " : " + a + " - " + tr + " <= " + b + " && " + a + " + " + tr + " >= " + b + " ? " + r2 + " : " + r3 + " ) ";
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//Debug.Log( strout );
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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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