1 files changed, 375 insertions, 0 deletions
diff --git a/Assets/ThirdParty/AmplifyShaderEditor/Plugins/Editor/Menu/DuplicatePreventionBuffer.cs b/Assets/ThirdParty/AmplifyShaderEditor/Plugins/Editor/Menu/DuplicatePreventionBuffer.cs
new file mode 100644
index 00000000..6f763338
--- /dev/null
+++ b/Assets/ThirdParty/AmplifyShaderEditor/Plugins/Editor/Menu/DuplicatePreventionBuffer.cs
@@ -0,0 +1,375 @@
+// Amplify Shader Editor - Visual Shader Editing Tool
+// Copyright (c) Amplify Creations, Lda <info@amplify.pt>
+
+using System;
+using System.Collections.Generic;
+using UnityEngine;
+
+namespace AmplifyShaderEditor
+{
+	[Serializable]
+	public class DuplicatePreventionBuffer
+	{
+		private const string VectorNameStr = "Vector ";
+		private const string TextureSampleNameStr = "Texture Sample ";
+		private const string MatrixNameStr = "Matrix ";
+		private const string IntNameStr = "Int ";
+		private const string FloatNameStr = "Float ";
+		private const string ColorNameStr = "Color ";
+		
+		[SerializeField]
+		private int[] m_availableUVChannelsArray = { -1, -1, -1, -1 };
+		private string[] m_availableUVChannelsNamesArray = { "null",
+															"null",
+															"null",
+															"null" };
+
+		private Dictionary<string, int> m_availablePropertyNames = new Dictionary<string, int>();
+		private Dictionary<string, int> m_availableUniformNames = new Dictionary<string, int>();
+		private Dictionary<string, int> m_availableLocalVariableNames = new Dictionary<string, int>();
+
+		public void ReleaseAllUVChannels()
+		{
+			for ( int i = 0; i < m_availableUVChannelsArray.Length; i++ )
+			{
+				m_availableUVChannelsArray[ i ] = -1;
+			}
+		}
+
+		public bool RegisterUVChannel( int nodeId, int channelId, string name )
+		{
+			if ( channelId < 0 ||
+					channelId > ( m_availableUVChannelsArray.Length - 1 ) ||
+					m_availableUVChannelsArray[ channelId ] >= 0 )
+			{
+				return false;
+			}
+
+			m_availableUVChannelsArray[ channelId ] = nodeId;
+			m_availableUVChannelsNamesArray[ channelId ] = name;
+			return true;
+		}
+
+
+		public bool ReleaseUVChannel( int nodeId, int channelId )
+		{
+			if ( channelId < 0 ||
+				channelId > ( m_availableUVChannelsArray.Length - 1 ) )
+			{
+				return false;
+			}
+
+			if ( m_availableUVChannelsArray[ channelId ] == nodeId )
+			{
+				m_availableUVChannelsArray[ channelId ] = -1;
+				return true;
+			}
+			return false;
+		}
+
+		public int RegisterFirstAvailableChannel( int nodeId , string name)
+		{
+			for ( int i = 0; i < m_availableUVChannelsArray.Length; i++ )
+			{
+				if ( m_availableUVChannelsArray[ i ] == -1 )
+				{
+					m_availableUVChannelsArray[ i ] = nodeId;
+					m_availableUVChannelsNamesArray[ i ] = name;
+					return i;
+				}
+			}
+			return -1;
+		}
+
+		public bool IsChannelAvailable( int channelId )
+		{
+			if ( channelId < 0 ||
+				channelId > ( m_availableUVChannelsArray.Length - 1 ) )
+			{
+				return false;
+			}
+
+			return ( m_availableUVChannelsArray[ channelId ] < 0 );
+		}
+
+		public int GetFirstOccupiedChannel()
+		{
+			for ( int i = 0; i < 4; i++ )
+			{
+				if ( m_availableUVChannelsArray[ i ] > -1 )
+					return i;
+			}
+			return -1;
+		}
+
+		public string GetChannelName( int channelId )
+		{
+			if ( channelId < 0 ||
+				channelId > ( m_availableUVChannelsArray.Length - 1 ) )
+			{
+				return string.Empty;
+			}
+
+			return m_availableUVChannelsNamesArray[ channelId ] ;
+		}
+
+		public void SetChannelName( int channelId , string name )
+		{
+			if ( channelId < 0 ||
+				channelId > ( m_availableUVChannelsArray.Length - 1 ) )
+			{
+				return;
+			}
+			 m_availableUVChannelsNamesArray[ channelId ] = name;
+		}
+
+		public bool RegisterLocalVariableName( int nodeId, string name )
+		{
+			if ( name.Length == 0 )
+				return false;
+
+			if ( m_availableLocalVariableNames.ContainsKey( name ) )
+			{
+				if ( m_availableLocalVariableNames[ name ] > -1 )
+				{
+					return false;
+				}
+				else
+				{
+					m_availableLocalVariableNames[ name ] = nodeId;
+					return true;
+				}
+			}
+
+			m_availableLocalVariableNames.Add( name, nodeId );
+			return true;
+		}
+
+		public int CheckUniformNameOwner( string name )
+		{
+			if ( name.Length == 0 )
+				return -1;
+
+			if ( m_availableUniformNames.ContainsKey( name ) )
+			{
+				return m_availableUniformNames[ name ];
+			}
+
+			return -1;
+		}
+
+		public bool RegisterUniformName( int nodeId, string name )
+		{
+			if ( name.Length == 0 )
+				return false;
+
+			if ( m_availableUniformNames.ContainsKey( name ) )
+			{
+				if ( m_availableUniformNames[ name ] > -1 )
+				{
+					return false;
+				}
+				else
+				{
+					m_availableUniformNames[ name ] = nodeId;
+					return true;
+				}
+			}
+			
+			m_availableUniformNames.Add( name, nodeId );
+			return true;
+		}
+
+		public void DumpUniformNames()
+		{
+			string val = "CONTENTS\n";
+			foreach ( KeyValuePair<string, int> kvp in m_availableUniformNames )
+			{
+				val += ( "key " + kvp.Key + " : value " + kvp.Value + "\n" );
+			}
+		}
+
+		public void DumpLocalVariableNames()
+		{
+			string val = "CONTENTS\n";
+			foreach ( KeyValuePair<string, int> kvp in m_availableLocalVariableNames )
+			{
+				val += ( "key " + kvp.Key + " : value " + kvp.Value + "\n" );
+			}
+		}
+
+
+		public bool ReleaseUniformName( int nodeId, string name )
+		{
+			if ( !string.IsNullOrEmpty(name) && name.Length == 0 )
+				return false;
+
+			if ( m_availableUniformNames.ContainsKey( name ) )
+			{
+				if ( m_availableUniformNames[ name ] == nodeId )
+				{
+					m_availableUniformNames.Remove( name );
+					return true;
+				}
+			}
+			return false;
+		}
+
+		public bool ReleaseLocalVariableName( int nodeId, string name )
+		{
+			if ( name.Length == 0 )
+				return false;
+
+			if ( m_availableLocalVariableNames.ContainsKey( name ) )
+			{
+				if ( m_availableLocalVariableNames[ name ] == nodeId )
+				{
+					m_availableLocalVariableNames.Remove( name );
+					return true;
+				}
+			}
+			return false;
+		}
+
+		public void ReleaseAllUniformNames()
+		{
+			m_availableUniformNames.Clear();
+		}
+
+		public void ReleaseAllLocalVariableNames()
+		{
+			m_availableLocalVariableNames.Clear();
+		}
+
+		public void GetFirstAvailableName( int nodeId, WirePortDataType type , out string outProperty , out string outInspector, bool useCustomPrefix = false, string customPrefix = null)
+		{
+			string name = string.Empty;
+			if ( useCustomPrefix && customPrefix != null )
+			{
+				name = customPrefix;
+			}
+			else
+			{
+				switch ( type )
+				{
+					case WirePortDataType.OBJECT:
+					case WirePortDataType.FLOAT:
+					{
+						name = FloatNameStr;
+					}
+					break;
+					case WirePortDataType.INT:
+					{
+						name = IntNameStr;
+					}
+					break;
+					case WirePortDataType.FLOAT2:
+					case WirePortDataType.FLOAT3:
+					case WirePortDataType.FLOAT4:
+					{
+						name = VectorNameStr;
+					}
+					break;
+					case WirePortDataType.FLOAT3x3:
+					case WirePortDataType.FLOAT4x4:
+					{
+						name = MatrixNameStr;
+					}
+					break;
+					case WirePortDataType.COLOR:
+					{
+						name = ColorNameStr;
+					}
+					break;
+				}
+			}
+
+			int count = 0;
+			bool foundName = false;
+			while ( !foundName )
+			{
+				string inspectorName = name + count;
+				string propertyName =  UIUtils.GeneratePropertyName( inspectorName , PropertyType.Property );
+				
+				if ( IsUniformNameAvailable( propertyName ) )
+				{
+					outInspector = inspectorName;
+					outProperty = propertyName;
+					RegisterUniformName( nodeId, propertyName );
+					return;
+				}
+				count += 1;
+			}
+			outProperty = string.Empty;
+			outInspector = string.Empty;
+			UIUtils.ShowMessage( "Could not find a valid name " + MessageSeverity.Warning );
+		}
+
+		public bool IsUniformNameAvailable( string name )
+		{
+			if ( m_availableUniformNames.ContainsKey( name ) && m_availableUniformNames[ name ] > -1 )
+				return false;
+			return true;
+		}
+
+		public bool IsLocalvariableNameAvailable( string name )
+		{
+			if ( m_availableLocalVariableNames.ContainsKey( name ) && m_availableLocalVariableNames[ name ] > -1 )
+				return false;
+			return true;
+		}
+
+		public bool GetPropertyName( int nodeId, string name )
+		{
+			if ( m_availablePropertyNames.ContainsKey( name ) )
+			{
+				if ( m_availablePropertyNames[ name ] > -1 )
+				{
+					return false;
+				}
+				else
+				{
+					m_availablePropertyNames[ name ] = nodeId;
+					return true;
+				}
+			}
+
+			m_availablePropertyNames.Add( name, nodeId );
+			return true;
+		}
+
+
+		public bool ReleasePropertyName( int nodeId, string name )
+		{
+			if ( m_availablePropertyNames.ContainsKey( name ) )
+			{
+				if ( m_availablePropertyNames[ name ] == nodeId )
+				{
+					m_availablePropertyNames[ name ] = -1;
+					return true;
+				}
+			}
+			return false;
+		}
+
+		public void ReleaseAllPropertyNames()
+		{
+			m_availablePropertyNames.Clear();
+		}
+
+		public bool IsPropertyNameAvailable( string name )
+		{
+			if ( m_availablePropertyNames.ContainsKey( name ) && m_availablePropertyNames[ name ] > -1 )
+				return false;
+			return true;
+		}
+
+		public void ReleaseAllData()
+		{
+			ReleaseAllUVChannels();
+			ReleaseAllUniformNames();
+			ReleaseAllPropertyNames();
+			ReleaseAllLocalVariableNames();
+		}
+	}
+}