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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;
using System.Collections.Generic;
namespace AmplifyShaderEditor
{
[Serializable]
[NodeAttributes( "Register Local Var", "Miscellaneous", "Forces a local variable to be written with the given name. Can then be fetched at any place with a <b>Get Local Var</b> node.", null, KeyCode.R )]
public sealed class RegisterLocalVarNode : ParentNode
{
private const string LocalDefaultNameStr = "myVarName";
private const string LocalVarNameStr = "Var Name";
private const string OrderIndexStr = "Order Index";
private const string AutoOrderIndexStr = "Auto Order";
private const string ReferencesStr = "References";
private const string GetLocalVarLabel = "( {0} ) Get Local Var";
private string m_oldName = string.Empty;
private bool m_reRegisterName = false;
private int m_autoOrderIndex = int.MaxValue;
private bool m_forceUpdate = true;
private bool m_refSelect = false;
private bool m_referencesVisible = false;
[SerializeField]
private string m_variableName = LocalDefaultNameStr;
[SerializeField]
private int m_orderIndex = -1;
[SerializeField]
private bool m_autoIndexActive = true;
[SerializeField]
private List<GetLocalVarNode> m_registeredGetLocalVars = new List<GetLocalVarNode>();
protected override void CommonInit( int uniqueId )
{
base.CommonInit( uniqueId );
AddInputPort( WirePortDataType.FLOAT, false, Constants.EmptyPortValue );
AddOutputPort( WirePortDataType.FLOAT, Constants.EmptyPortValue );
m_textLabelWidth = 85;
if( m_containerGraph != null )
m_variableName += m_containerGraph.LocalVarNodes.NodesList.Count;
m_oldName = m_variableName;
UpdateTitle();
m_previewShaderGUID = "5aaa1d3ea9e1fa64781647e035a82334";
}
protected override void OnUniqueIDAssigned()
{
base.OnUniqueIDAssigned();
m_containerGraph.LocalVarNodes.AddNode( this );
}
public override void OnInputPortConnected( int portId, int otherNodeId, int otherPortId, bool activateNode = true )
{
base.OnInputPortConnected( portId, otherNodeId, otherPortId, activateNode );
m_inputPorts[ 0 ].MatchPortToConnection();
m_outputPorts[ 0 ].ChangeType( m_inputPorts[ 0 ].DataType, false );
}
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();
m_outputPorts[ 0 ].ChangeType( m_inputPorts[ 0 ].DataType, false );
}
void UpdateTitle()
{
SetAdditonalTitleText( string.Format( Constants.SubTitleVarNameFormatStr, m_variableName ) );
}
void DrawMainProperties()
{
EditorGUI.BeginChangeCheck();
m_variableName = EditorGUILayoutTextField( LocalVarNameStr, m_variableName );
if( EditorGUI.EndChangeCheck() )
{
CheckAndChangeName();
}
DrawPrecisionProperty();
}
public override void AfterDuplication()
{
base.AfterDuplication();
CheckAndChangeName();
}
void CheckAndChangeName()
{
m_variableName = UIUtils.RemoveInvalidCharacters( m_variableName );
if( string.IsNullOrEmpty( m_variableName ) )
{
m_variableName = LocalDefaultNameStr + OutputId;
}
bool isNumericName = UIUtils.IsNumericName( m_variableName );
if( !isNumericName && m_containerGraph.ParentWindow.DuplicatePrevBufferInstance.IsLocalvariableNameAvailable( m_variableName ) )
{
m_containerGraph.ParentWindow.DuplicatePrevBufferInstance.ReleaseLocalVariableName( UniqueId, m_oldName );
m_containerGraph.ParentWindow.DuplicatePrevBufferInstance.RegisterLocalVariableName( UniqueId, m_variableName );
m_oldName = m_variableName;
m_containerGraph.LocalVarNodes.UpdateDataOnNode( UniqueId, m_variableName );
UpdateTitle();
m_forceUpdate = true;
}
else
{
//if( isNumericName )
//{
// UIUtils.ShowMessage( "Local variable name cannot start or be numerical values" );
//}
m_variableName = m_oldName;
m_containerGraph.LocalVarNodes.UpdateDataOnNode( UniqueId, m_variableName );
}
}
void DrawReferences()
{
int count = m_registeredGetLocalVars.Count;
if( m_registeredGetLocalVars.Count > 0 )
{
for( int i = 0; i < count; i++ )
{
EditorGUILayout.BeginHorizontal();
EditorGUILayout.LabelField( string.Format( GetLocalVarLabel, m_registeredGetLocalVars[ i ].UniqueId ) );
if( GUILayout.Button( "\u25BA", "minibutton", GUILayout.Width( 17 ) ) )
{
m_containerGraph.ParentWindow.FocusOnNode( m_registeredGetLocalVars[ i ], 0, false );
}
EditorGUILayout.EndHorizontal();
}
if( GUILayout.Button( "Back" ) )
{
m_containerGraph.ParentWindow.FocusOnNode( this, 0, false );
}
}
else
{
EditorGUILayout.HelpBox( "This node is not being referenced by any Get Local Var.", MessageType.Info );
}
}
public override void DrawProperties()
{
NodeUtils.DrawPropertyGroup( ref m_propertiesFoldout, Constants.ParameterLabelStr, DrawMainProperties );
NodeUtils.DrawPropertyGroup( ref m_referencesVisible, ReferencesStr, DrawReferences );
//EditorGUILayout.LabelField(ConnStatus.ToString()+" "+m_activeConnections);
}
public override void OnEnable()
{
base.OnEnable();
m_reRegisterName = true;
}
public void CheckReferenceSelection()
{
m_refSelect = false;
int count = m_registeredGetLocalVars.Count;
for( int i = 0; i < count; i++ )
{
if( m_registeredGetLocalVars[ i ].Selected )
m_refSelect = true;
}
}
public override void OnNodeRepaint( DrawInfo drawInfo )
{
base.OnNodeRepaint( drawInfo );
if( m_isVisible && m_refSelect && !m_selected )
{
GUI.color = Constants.SpecialRegisterLocalVarSelectionColor;
GUI.Label( m_globalPosition, string.Empty, UIUtils.GetCustomStyle( CustomStyle.NodeWindowOn ) );
GUI.color = m_colorBuffer;
}
}
public override void Draw( DrawInfo drawInfo )
{
base.Draw( drawInfo );
if( m_reRegisterName )
{
m_reRegisterName = false;
m_containerGraph.ParentWindow.DuplicatePrevBufferInstance.RegisterLocalVariableName( UniqueId, m_variableName );
}
if( m_forceUpdate )
{
m_forceUpdate = false;
UpdateTitle();
}
}
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 = m_inputPorts[ 0 ].GeneratePortInstructions( ref dataCollector );
RegisterLocalVariable( 0, result, ref dataCollector, m_variableName + OutputId );
return m_outputPorts[ 0 ].LocalValue( dataCollector.PortCategory );
}
public override void ReadFromString( ref string[] nodeParams )
{
base.ReadFromString( ref nodeParams );
m_variableName = GetCurrentParam( ref nodeParams );
if( UIUtils.CurrentShaderVersion() > 14 )
m_orderIndex = Convert.ToInt32( GetCurrentParam( ref nodeParams ) );
if( UIUtils.CurrentShaderVersion() > 3106 )
{
m_autoIndexActive = Convert.ToBoolean( GetCurrentParam( ref nodeParams ) );
}
else
{
m_autoIndexActive = false;
}
if( !m_isNodeBeingCopied )
{
m_containerGraph.LocalVarNodes.UpdateDataOnNode( UniqueId, m_variableName );
m_containerGraph.ParentWindow.DuplicatePrevBufferInstance.ReleaseLocalVariableName( UniqueId, m_oldName );
m_containerGraph.ParentWindow.DuplicatePrevBufferInstance.RegisterLocalVariableName( UniqueId, m_variableName );
}
m_forceUpdate = true;
}
public override void WriteToString( ref string nodeInfo, ref string connectionsInfo )
{
base.WriteToString( ref nodeInfo, ref connectionsInfo );
IOUtils.AddFieldValueToString( ref nodeInfo, m_variableName );
IOUtils.AddFieldValueToString( ref nodeInfo, m_orderIndex );
IOUtils.AddFieldValueToString( ref nodeInfo, m_autoIndexActive );
}
public override void PropagateNodeData( NodeData nodeData, ref MasterNodeDataCollector dataCollector )
{
if( m_autoOrderIndex < nodeData.OrderIndex )
{
nodeData.OrderIndex = m_autoOrderIndex - 1;
}
else
{
m_autoOrderIndex = nodeData.OrderIndex;
nodeData.OrderIndex -= 1;
}
base.PropagateNodeData( nodeData, ref dataCollector );
}
public override void ResetNodeData()
{
base.ResetNodeData();
m_autoOrderIndex = int.MaxValue;
}
public void RegisterGetLocalVar( GetLocalVarNode node )
{
if( !m_registeredGetLocalVars.Contains( node ) )
{
m_registeredGetLocalVars.Add( node );
CheckReferenceSelection();
}
}
public void UnregisterGetLocalVar( GetLocalVarNode node )
{
if( m_registeredGetLocalVars.Contains( node ) )
{
m_registeredGetLocalVars.Remove( node );
CheckReferenceSelection();
}
}
public override void Destroy()
{
base.Destroy();
m_containerGraph.LocalVarNodes.RemoveNode( this );
m_containerGraph.ParentWindow.DuplicatePrevBufferInstance.ReleaseLocalVariableName( UniqueId, m_variableName );
int count = m_registeredGetLocalVars.Count;
for( int i = 0; i < count; i++ )
{
//GetLocalVarNode node = m_containerGraph.GetNode( m_registeredGetLocalVars[ i ] ) as GetLocalVarNode;
if( m_registeredGetLocalVars[ i ] != null )
m_registeredGetLocalVars[ i ].ResetReference();
}
m_registeredGetLocalVars.Clear();
m_registeredGetLocalVars = null;
m_containerGraph.LocalVarNodes.RemoveNode( this );
}
public override void ActivateNode( int signalGenNodeId, int signalGenPortId, Type signalGenNodeType )
{
base.ActivateNode( signalGenNodeId, signalGenPortId, signalGenNodeType );
}
public override string DataToArray { get { return m_variableName; } }
public List<GetLocalVarNode> NodeReferences { get { return m_registeredGetLocalVars; } }
}
}