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// Amplify Shader Editor - Visual Shader Editing Tool
// Copyright (c) Amplify Creations, Lda <info@amplify.pt>
using System;
namespace AmplifyShaderEditor
{
[Serializable]
[NodeAttributes( "Clamp", "Math Operators", "Value clamped to the range [min,max]" )]
public sealed class ClampOpNode : ParentNode
{
protected override void CommonInit( int uniqueId )
{
base.CommonInit( uniqueId );
AddInputPort( WirePortDataType.FLOAT, false, Constants.EmptyPortValue );
AddInputPort( WirePortDataType.FLOAT, false, "Min" );
AddInputPort( WirePortDataType.FLOAT, false, "Max" );
m_inputPorts[ m_inputPorts.Count - 1 ].FloatInternalData = 1;
AddOutputPort( WirePortDataType.FLOAT, Constants.EmptyPortValue );
m_useInternalPortData = true;
m_textLabelWidth = 55;
m_previewShaderGUID = "ab6163c4b10bfc84da8e3c486520490a";
}
public override void OnInputPortConnected( int portId, int otherNodeId, int otherPortId, bool activateNode = true )
{
base.OnInputPortConnected( portId, otherNodeId, otherPortId, activateNode );
if ( portId == 0 )
{
m_inputPorts[ 0 ].MatchPortToConnection();
m_inputPorts[ 1 ].ChangeType( m_inputPorts[ 0 ].DataType, false );
m_inputPorts[ 2 ].ChangeType( m_inputPorts[ 0 ].DataType, false );
m_outputPorts[ 0 ].ChangeType( m_inputPorts[ 0 ].DataType, false );
}
//else
//{
// _inputPorts[ portId ].MatchPortToConnection();
//}
}
public override void OnConnectedOutputNodeChanges( int outputPortId, int otherNodeId, int otherPortId, string name, WirePortDataType type )
{
base.OnConnectedOutputNodeChanges( outputPortId, otherNodeId, otherPortId, name, type );
if ( outputPortId == 0 )
{
m_inputPorts[ 0 ].MatchPortToConnection();
m_inputPorts[ 1 ].ChangeType( m_inputPorts[ 0 ].DataType, false );
m_inputPorts[ 2 ].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 )
{
if ( m_outputPorts[ 0 ].IsLocalValue( dataCollector.PortCategory ) )
return m_outputPorts[ 0 ].LocalValue( dataCollector.PortCategory );
WirePortDataType valueType = m_inputPorts[ 0 ].ConnectionType();
WirePortDataType minType = m_inputPorts[ 1 ].ConnectionType();
WirePortDataType maxType = m_inputPorts[ 2 ].ConnectionType();
string value = m_inputPorts[ 0 ].GeneratePortInstructions( ref dataCollector );
string min = m_inputPorts[ 1 ].GeneratePortInstructions( ref dataCollector );
if ( minType != valueType )
{
min = UIUtils.CastPortType( ref dataCollector, CurrentPrecisionType, new NodeCastInfo( UniqueId, outputId ), null, m_inputPorts[ 1 ].DataType, m_inputPorts[ 0 ].DataType, min );
}
string max = m_inputPorts[ 2 ].GeneratePortInstructions( ref dataCollector );
if ( maxType != valueType )
{
max = UIUtils.CastPortType( ref dataCollector, CurrentPrecisionType, new NodeCastInfo( UniqueId, outputId ), null, m_inputPorts[ 2 ].DataType, m_inputPorts[ 0 ].DataType, max );
}
string result = string.Empty;
switch ( valueType )
{
case WirePortDataType.FLOAT:
case WirePortDataType.FLOAT2:
case WirePortDataType.FLOAT3:
case WirePortDataType.FLOAT4:
case WirePortDataType.INT:
case WirePortDataType.COLOR:
case WirePortDataType.OBJECT:
{
result = "clamp( " + value + " , " + min + " , " + max + " )";
}
break;
case WirePortDataType.FLOAT3x3:
case WirePortDataType.FLOAT4x4:
{
return UIUtils.InvalidParameter( this );
}
}
RegisterLocalVariable( 0, result, ref dataCollector, "clampResult" + OutputId );
return m_outputPorts[ 0 ].LocalValue( dataCollector.PortCategory );
}
}
}
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