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// Amplify Shader Editor - Visual Shader Editing Tool
// Copyright (c) Amplify Creations, Lda <info@amplify.pt>
using System;
using UnityEngine;
namespace AmplifyShaderEditor
{
[Serializable]
[NodeAttributes( "Break To Components", "Vector Operators", "Breaks the input data into its individual components", null, KeyCode.B, tags: "split" )]
public sealed class BreakToComponentsNode : ParentNode
{
private WirePortDataType m_currentType = WirePortDataType.FLOAT;
private readonly string[] ColorPortNames = { "R", "G", "B", "A" };
private readonly string[] VectorPortNames = { "X", "Y", "Z", "W" };
protected override void CommonInit( int uniqueId )
{
base.CommonInit( uniqueId );
AddInputPort( WirePortDataType.FLOAT, false, Constants.EmptyPortValue );
for( int i = 0; i < 16; i++ )
{
AddOutputPort( WirePortDataType.FLOAT, Constants.EmptyPortValue );
m_outputPorts[ i ].IndexPreviewOffset = 1;
if( i != 0 )
{
m_outputPorts[ i ].Visible = false;
}
}
m_previewShaderGUID = "5f58f74a202ba804daddec838b75207d";
}
public override void RenderNodePreview()
{
//Runs at least one time
if( !m_initialized )
{
// nodes with no preview don't update at all
PreviewIsDirty = false;
return;
}
if( !PreviewIsDirty )
return;
SetPreviewInputs();
int count = m_outputPorts.Count;
for( int i = 0; i < count; i++ )
{
RenderTexture temp = RenderTexture.active;
RenderTexture.active = m_outputPorts[ i ].OutputPreviewTexture;
Graphics.Blit( null, m_outputPorts[ i ].OutputPreviewTexture, PreviewMaterial, Mathf.Min( i, 3 ) );
RenderTexture.active = temp;
}
PreviewIsDirty = m_continuousPreviewRefresh;
}
public override RenderTexture PreviewTexture
{
get
{
return m_inputPorts[ 0 ].InputPreviewTexture( ContainerGraph );
}
}
void UpdateOutputs( WirePortDataType newType )
{
//this only happens when on initial load
if( newType == WirePortDataType.OBJECT )
return;
m_currentType = newType;
switch( newType )
{
case WirePortDataType.OBJECT:
{
m_outputPorts[ 0 ].ChangeProperties( Constants.EmptyPortValue, WirePortDataType.OBJECT, false );
m_outputPorts[ 0 ].Visible = true;
for( int i = 1; i < m_outputPorts.Count; i++ )
{
m_outputPorts[ i ].Visible = false;
}
}
break;
case WirePortDataType.FLOAT:
{
m_outputPorts[ 0 ].ChangeProperties( Constants.EmptyPortValue, WirePortDataType.FLOAT, false );
m_outputPorts[ 0 ].Visible = true;
for( int i = 1; i < m_outputPorts.Count; i++ )
{
m_outputPorts[ i ].Visible = false;
}
}
break;
case WirePortDataType.FLOAT2:
{
for( int i = 0; i < 2; i++ )
{
m_outputPorts[ i ].ChangeProperties( VectorPortNames[ i ], WirePortDataType.FLOAT, false );
m_outputPorts[ i ].Visible = true;
}
for( int i = 2; i < m_outputPorts.Count; i++ )
{
m_outputPorts[ i ].Visible = false;
}
}
break;
case WirePortDataType.FLOAT3:
{
for( int i = 0; i < 3; i++ )
{
m_outputPorts[ i ].ChangeProperties( VectorPortNames[ i ], WirePortDataType.FLOAT, false );
m_outputPorts[ i ].Visible = true;
}
for( int i = 3; i < m_outputPorts.Count; i++ )
{
m_outputPorts[ i ].Visible = false;
}
}
break;
case WirePortDataType.FLOAT4:
{
for( int i = 0; i < 4; i++ )
{
m_outputPorts[ i ].ChangeProperties( VectorPortNames[ i ], WirePortDataType.FLOAT, false );
m_outputPorts[ i ].Visible = true;
}
for( int i = 4; i < m_outputPorts.Count; i++ )
{
m_outputPorts[ i ].Visible = false;
}
}
break;
case WirePortDataType.FLOAT3x3:
{
for( int i = 0; i < 9; i++ )
{
m_outputPorts[ i ].ChangeProperties( "[" + (int)( i / 3 ) + "][" + i % 3 + "]", WirePortDataType.FLOAT, false );
m_outputPorts[ i ].Visible = true;
}
for( int i = 9; i < m_outputPorts.Count; i++ )
{
m_outputPorts[ i ].Visible = false;
}
}
break;
case WirePortDataType.FLOAT4x4:
{
for( int i = 0; i < 16; i++ )
{
m_outputPorts[ i ].ChangeProperties( "[" + (int)( i / 4 ) + "][" + i % 4 + "]", WirePortDataType.FLOAT, false );
m_outputPorts[ i ].Visible = true;
}
}
break;
case WirePortDataType.COLOR:
{
for( int i = 0; i < 4; i++ )
{
m_outputPorts[ i ].ChangeProperties( ColorPortNames[ i ], WirePortDataType.FLOAT, false );
m_outputPorts[ i ].Visible = true;
}
for( int i = 4; i < m_outputPorts.Count; i++ )
{
m_outputPorts[ i ].Visible = false;
}
}
break;
case WirePortDataType.INT:
{
m_outputPorts[ 0 ].Visible = true;
m_outputPorts[ 0 ].ChangeProperties( Constants.EmptyPortValue, WirePortDataType.INT, false );
for( int i = 1; i < m_outputPorts.Count; i++ )
{
m_outputPorts[ i ].Visible = false;
}
}
break;
}
m_sizeIsDirty = true;
}
public override void OnConnectedOutputNodeChanges( int outputPortId, int otherNodeId, int otherPortId, string name, WirePortDataType type )
{
base.OnConnectedOutputNodeChanges( outputPortId, otherNodeId, otherPortId, name, type );
m_inputPorts[ 0 ].MatchPortToConnection();
UpdateOutputs( m_inputPorts[ 0 ].DataType );
}
public override void OnInputPortConnected( int portId, int otherNodeId, int otherPortId, bool activateNode = true )
{
base.OnInputPortConnected( portId, otherNodeId, otherPortId, activateNode );
m_inputPorts[ 0 ].MatchPortToConnection();
UpdateOutputs( m_inputPorts[ 0 ].DataType );
}
public override void WriteToString( ref string nodeInfo, ref string connectionsInfo )
{
base.WriteToString( ref nodeInfo, ref connectionsInfo );
IOUtils.AddFieldValueToString( ref nodeInfo, m_currentType );
}
public override void ReadFromString( ref string[] nodeParams )
{
base.ReadFromString( ref nodeParams );
UpdateOutputs( (WirePortDataType)Enum.Parse( typeof( WirePortDataType ), GetCurrentParam( ref nodeParams ) ) );
}
public override string GenerateShaderForOutput( int outputId, ref MasterNodeDataCollector dataCollector, bool ignoreLocalvar )
{
if( m_outputPorts[ 0 ].IsLocalValue( dataCollector.PortCategory ) )
{
return ReturnByType( m_outputPorts[ 0 ].LocalValue( dataCollector.PortCategory ), outputId );
}
string value = string.Empty;
value = m_inputPorts[ 0 ].GeneratePortInstructions( ref dataCollector );
int channelsUsed = 0;
for( int i = 0; i < m_outputPorts.Count; i++ )
{
if( m_outputPorts[ i ].IsConnected )
channelsUsed++;
}
string varName = "break" + OutputId;
if( channelsUsed > 1 )
{
//RegisterLocalVariable( 0, value, ref dataCollector, varName );
dataCollector.AddLocalVariable( UniqueId, CurrentPrecisionType, m_inputPorts[ 0 ].DataType, varName, value );
m_outputPorts[ 0 ].SetLocalValue( varName, dataCollector.PortCategory );
value = varName;
}
return ReturnByType( value, outputId );
}
private string ReturnByType( string value, int outputId )
{
switch( m_inputPorts[ 0 ].DataType )
{
case WirePortDataType.OBJECT:
case WirePortDataType.FLOAT:
case WirePortDataType.INT:
{
return value;
}
case WirePortDataType.FLOAT2:
case WirePortDataType.FLOAT3:
case WirePortDataType.FLOAT4:
{
return GetOutputVectorItem( 0, outputId + 1, value );
}
case WirePortDataType.COLOR:
{
return GetOutputColorItem( 0, outputId + 1, value );
}
case WirePortDataType.FLOAT3x3:
{
return value + "[ " + ( (int)( outputId / 3 ) ) + " ][ " + ( outputId % 3 ) + " ]";
}
case WirePortDataType.FLOAT4x4:
{
return value + "[ " + ( (int)( outputId / 4 ) ) + " ][ " + ( outputId % 4 ) + " ]";
}
}
return value;
}
}
}
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