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// Amplify Shader Editor - Visual Shader Editing Tool
// Copyright (c) Amplify Creations, Lda <info@amplify.pt>
using UnityEngine;
using UnityEditor;
using System;
namespace AmplifyShaderEditor
{
[Serializable]
[NodeAttributes( "Screen Position", "Camera And Screen", "Screen space position, you can either get the <b>Screen</b> position as is or <b>Normalize</b> it to have it at the [0,1] range" )]
public sealed class ScreenPosInputsNode : SurfaceShaderINParentNode
{
private const string ProjectStr = "Project";
private const string UVInvertHack = "Scale and Offset";
private readonly string[] m_outputTypeStr = { "Normalized", "Screen" };
[SerializeField]
private int m_outputTypeInt = 0;
[SerializeField]
private bool m_scaleAndOffset = false;
private UpperLeftWidgetHelper m_upperLeftWidget = new UpperLeftWidgetHelper();
protected override void CommonInit( int uniqueId )
{
base.CommonInit( uniqueId );
m_currentInput = SurfaceInputs.SCREEN_POS;
InitialSetup();
m_textLabelWidth = 65;
m_autoWrapProperties = true;
m_hasLeftDropdown = true;
m_previewShaderGUID = "a5e7295278a404175b732f1516fb68a6";
if( UIUtils.CurrentWindow != null && UIUtils.CurrentWindow.CurrentGraph != null && UIUtils.CurrentShaderVersion() <= 2400 )
{
m_outputTypeInt = 1;
m_previewMaterialPassId = m_outputTypeInt;
}
ConfigureHeader();
}
public override void Draw( DrawInfo drawInfo )
{
base.Draw( drawInfo );
EditorGUI.BeginChangeCheck();
m_outputTypeInt = m_upperLeftWidget.DrawWidget( this, m_outputTypeInt, m_outputTypeStr );
if( EditorGUI.EndChangeCheck() )
{
ConfigureHeader();
}
}
public override void DrawProperties()
{
//base.DrawProperties();
EditorGUI.BeginChangeCheck();
m_outputTypeInt = EditorGUILayoutPopup( "Type", m_outputTypeInt, m_outputTypeStr );
if( EditorGUI.EndChangeCheck() )
{
ConfigureHeader();
}
}
void ConfigureHeader()
{
SetAdditonalTitleText( string.Format( Constants.SubTitleTypeFormatStr, m_outputTypeStr[ m_outputTypeInt ] ) );
m_previewMaterialPassId = m_outputTypeInt;
}
public override void Reset()
{
base.Reset();
}
public override void Destroy()
{
base.Destroy();
m_upperLeftWidget = null;
}
public override string GenerateShaderForOutput( int outputId, ref MasterNodeDataCollector dataCollector, bool ignoreLocalVar )
{
if( m_outputPorts[ 0 ].IsLocalValue( dataCollector.PortCategory ) )
{
return GetOutputVectorItem( 0, outputId, m_outputPorts[ 0 ].LocalValue( dataCollector.PortCategory ) );
}
m_currentPrecisionType = PrecisionType.Float;
string screenPos = string.Empty;
if( m_outputTypeInt == 0 )
{
if( dataCollector.IsTemplate )
{
screenPos = dataCollector.TemplateDataCollectorInstance.GetScreenPosNormalized( CurrentPrecisionType );
}
else
{
screenPos = GeneratorUtils.GenerateScreenPositionNormalized( ref dataCollector, UniqueId, CurrentPrecisionType);
}
}
else
{
if( dataCollector.IsTemplate )
{
screenPos = dataCollector.TemplateDataCollectorInstance.GetScreenPos( CurrentPrecisionType );
}
else
{
screenPos = GeneratorUtils.GenerateScreenPosition( ref dataCollector, UniqueId, CurrentPrecisionType );
}
}
m_outputPorts[ 0 ].SetLocalValue( screenPos, dataCollector.PortCategory );
return GetOutputVectorItem( 0, outputId, screenPos );
}
public override void ReadFromString( ref string[] nodeParams )
{
base.ReadFromString( ref nodeParams );
if( UIUtils.CurrentShaderVersion() > 2400 )
{
if( UIUtils.CurrentShaderVersion() < 6102 )
{
bool project = Convert.ToBoolean( GetCurrentParam( ref nodeParams ) );
m_outputTypeInt = project ? 0 : 1;
}
else
{
m_outputTypeInt = Convert.ToInt32( GetCurrentParam( ref nodeParams ) );
}
}
if( UIUtils.CurrentShaderVersion() > 3107 )
{
m_scaleAndOffset = Convert.ToBoolean( GetCurrentParam( ref nodeParams ) );
m_scaleAndOffset = false;
}
ConfigureHeader();
}
public override void WriteToString( ref string nodeInfo, ref string connectionsInfo )
{
base.WriteToString( ref nodeInfo, ref connectionsInfo );
IOUtils.AddFieldValueToString( ref nodeInfo, m_outputTypeInt );
IOUtils.AddFieldValueToString( ref nodeInfo, m_scaleAndOffset );
}
}
}
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