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// Amplify Shader Editor - Visual Shader Editing Tool
// Copyright (c) Amplify Creations, Lda <info@amplify.pt>
using UnityEngine;
using System;
namespace AmplifyShaderEditor
{
[Serializable]
[NodeAttributes( "Rotator", "UV Coordinates", "Rotates UVs or any Vector2 value from an Anchor point for a specified Time value")]
public sealed class RotatorNode : ParentNode
{
private int m_cachedUsingEditorId = -1;
protected override void CommonInit( int uniqueId )
{
base.CommonInit( uniqueId );
AddInputPort( WirePortDataType.FLOAT2, false, "UV" );
AddInputPort( WirePortDataType.FLOAT2, false, "Anchor" );
AddInputPort( WirePortDataType.FLOAT, false, "Time" );
AddOutputPort( WirePortDataType.FLOAT2, "Out" );
m_useInternalPortData = true;
m_inputPorts[ 2 ].FloatInternalData = 1;
m_textLabelWidth = 50;
m_previewShaderGUID = "e21408a1c7f12f14bbc2652f69bce1fc";
}
public override void SetPreviewInputs()
{
base.SetPreviewInputs();
if ( m_cachedUsingEditorId == -1 )
m_cachedUsingEditorId = Shader.PropertyToID( "_UsingEditor" );
PreviewMaterial.SetFloat( m_cachedUsingEditorId, (m_inputPorts[ 2 ].IsConnected ? 0 : 1 ) );
}
public override void OnInputPortConnected( int portId, int otherNodeId, int otherPortId, bool activateNode = true )
{
base.OnInputPortConnected( portId, otherNodeId, otherPortId, activateNode );
if( portId == 2 )
{
m_continuousPreviewRefresh = false;
}
}
public override void OnInputPortDisconnected( int portId )
{
base.OnInputPortDisconnected( portId );
if( portId == 2 )
{
m_continuousPreviewRefresh = true;
}
}
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 );
string result = string.Empty;
string uv = m_inputPorts[ 0 ].GeneratePortInstructions( ref dataCollector );
string anchor = m_inputPorts[ 1 ].GeneratePortInstructions( ref dataCollector );
string time = m_inputPorts[ 2 ].GeneratePortInstructions( ref dataCollector );
if ( !m_inputPorts[ 2 ].IsConnected )
{
if( !( dataCollector.IsTemplate && dataCollector.IsSRP ) )
dataCollector.AddToIncludes( UniqueId, Constants.UnityShaderVariables );
time += " * _Time.y";
}
result += uv;
string cosVar = "cos" + OutputId;
string sinVar = "sin" + OutputId;
dataCollector.AddLocalVariable( UniqueId, "float " + cosVar + " = cos( "+time+" );");
dataCollector.AddLocalVariable( UniqueId, "float " + sinVar + " = sin( "+time+" );");
string value = "mul( " + result + " - " + anchor + " , float2x2( "+cosVar+" , -"+sinVar+" , "+sinVar+" , "+cosVar+" )) + "+anchor;
RegisterLocalVariable( 0, value, ref dataCollector, "rotator" + OutputId );
return m_outputPorts[ 0 ].LocalValue( dataCollector.PortCategory );
}
public override void RefreshExternalReferences()
{
base.RefreshExternalReferences();
if( UIUtils.CurrentShaderVersion() < 13107 )
{
m_inputPorts[ 2 ].FloatInternalData = 1;
}
}
}
}
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