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// 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 TemplateInterpElement
{
public TemplateSemantics Semantic;
public bool[] AvailableChannels = { true, true, true, true };
public bool IsFull = false;
public int Usage = 0;
public string Name;
public TemplateInterpElement( TemplateInterpElement other )
{
Semantic = other.Semantic;
for ( int i = 0; i < AvailableChannels.Length; i++ )
{
AvailableChannels[ i ] = other.AvailableChannels[ i ];
}
IsFull = other.IsFull;
Usage = other.Usage;
Name = other.Name;
}
public TemplateInterpElement( TemplateSemantics semantic )
{
Semantic = semantic;
int semanticId = TemplateHelperFunctions.SemanticToInt[ Semantic ];
Name = ( semanticId == 0 ) ? TemplateHelperFunctions.BaseInterpolatorName : TemplateHelperFunctions.BaseInterpolatorName + semanticId.ToString();
}
public void SetAvailableChannelsFromString( string channels )
{
for ( int i = 0; i < AvailableChannels.Length; i++ )
{
AvailableChannels[ i ] = false;
}
Usage = AvailableChannels.Length;
for ( int i = 0; i < channels.Length; i++ )
{
switch ( channels[ i ] )
{
case 'x': if ( !AvailableChannels[ 0 ] ) { AvailableChannels[ 0 ] = true; Usage--; } break;
case 'y': if ( !AvailableChannels[ 1 ] ) { AvailableChannels[ 1 ] = true; Usage--; } break;
case 'z': if ( !AvailableChannels[ 2 ] ) { AvailableChannels[ 2 ] = true; Usage--; } break;
case 'w': if ( !AvailableChannels[ 3 ] ) { AvailableChannels[ 3 ] = true; Usage--; } break;
}
}
}
public TemplateVertexData RequestChannels( WirePortDataType type, bool isColor, string customName = null )
{
if ( IsFull )
return null;
int channelsRequired = TemplateHelperFunctions.DataTypeChannelUsage[ type ];
if ( channelsRequired == 0 )
return null;
int firstChannel = -1;
for ( int i = 0; i < AvailableChannels.Length; i++ )
{
if ( AvailableChannels[ i ] )
{
if ( firstChannel < 0 )
{
firstChannel = i;
}
channelsRequired -= 1;
if ( channelsRequired == 0 )
break;
}
}
//did not found enough channels to fill request
if ( channelsRequired > 0 )
return null;
if( Usage == 0 && customName != null )
{
Name = customName;
}
Usage += 1;
TemplateVertexData data = null;
if ( type == WirePortDataType.COLOR || type == WirePortDataType.FLOAT4 )
{
// Automatically lock all channels
for ( int i = firstChannel; i < ( firstChannel + channelsRequired ); i++ )
{
AvailableChannels[ i ] = false;
}
IsFull = true;
data = new TemplateVertexData( Semantic, type, Name );
}
else
{
string[] swizzleArray = ( isColor ) ? TemplateHelperFunctions.ColorSwizzle : TemplateHelperFunctions.VectorSwizzle;
string channels = ".";
int count = firstChannel + TemplateHelperFunctions.DataTypeChannelUsage[ type ];
for ( int i = firstChannel; i < count; i++ )
{
AvailableChannels[ i ] = false;
channels += swizzleArray[ i ];
if ( i == ( AvailableChannels.Length - 1 ) )
{
IsFull = true;
}
}
data = new TemplateVertexData( Semantic, type, Name, channels );
}
return data;
}
}
[Serializable]
public class TemplateInterpData
{
[SerializeField]
private string m_interpDataId = string.Empty;
[SerializeField]
private int m_interpDataStartIdx = -1;
[SerializeField]
private bool m_dynamicMax = false;
public List<TemplateInterpElement> AvailableInterpolators = new List<TemplateInterpElement>();
public List<TemplateVertexData> Interpolators = new List<TemplateVertexData>();
public List<TemplateVertexData> RawInterpolators = new List<TemplateVertexData>();
public TemplateInterpData() { }
public bool HasRawInterpolatorOfName( string name )
{
return RawInterpolators.Exists( ( x ) => x.VarName.Equals( name ));
}
public TemplateInterpData( TemplateInterpData other )
{
m_dynamicMax = other.DynamicMax;
foreach ( TemplateInterpElement data in other.AvailableInterpolators )
{
AvailableInterpolators.Add( new TemplateInterpElement( data ) );
}
for ( int i = 0; i < other.Interpolators.Count; i++ )
{
Interpolators.Add( new TemplateVertexData( other.Interpolators[ i ] ) );
}
for( int i = 0; i < other.RawInterpolators.Count; i++ )
{
RawInterpolators.Add( new TemplateVertexData( other.RawInterpolators[ i ] ) );
}
}
public void RecalculateAvailableInterpolators( int newMax )
{
if( m_dynamicMax )
{
if( !TemplateHelperFunctions.IntToSemantic.ContainsKey( ( newMax - 1 ) ) )
{
Debug.LogWarning( "Attempting to add inexisting available interpolators" );
return;
}
if( AvailableInterpolators.Count > 0 )
{
int currMax = 1 + TemplateHelperFunctions.SemanticToInt[ AvailableInterpolators[ AvailableInterpolators.Count - 1 ].Semantic ];
if( newMax > currMax )
{
int count = newMax - currMax;
for( int i = 0; i < count; i++ )
{
AvailableInterpolators.Add( new TemplateInterpElement( TemplateHelperFunctions.IntToSemantic[ currMax + i ] ));
}
}
else if( newMax < currMax )
{
int min = TemplateHelperFunctions.SemanticToInt[ AvailableInterpolators[ 0 ].Semantic ];
if( newMax > min )
{
int count = currMax - newMax;
for( int i = 0; i < count; i++ )
{
AvailableInterpolators.RemoveAt( AvailableInterpolators.Count - 1 );
}
}
}
}
}
}
public void ReplaceNameOnInterpolator( TemplateSemantics semantic, string newName )
{
for ( int i = 0; i < AvailableInterpolators.Count; i++ )
{
if ( AvailableInterpolators[ i ].Semantic == semantic )
{
AvailableInterpolators[ i ].Name = newName;
break;
}
}
}
public void Destroy()
{
AvailableInterpolators.Clear();
AvailableInterpolators = null;
Interpolators.Clear();
Interpolators = null;
RawInterpolators.Clear();
RawInterpolators = null;
}
public string InterpDataId { get { return m_interpDataId; } set { m_interpDataId = value; } }
public int InterpDataStartIdx { get { return m_interpDataStartIdx; } set { m_interpDataStartIdx = value; } }
public bool DynamicMax { get { return m_dynamicMax; } set { m_dynamicMax = value; } }
}
}
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