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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 TemplatePassId
{
public string PassId;
public bool RemoveFromShader;
}
[Serializable]
public class TemplateTag
{
public string Tag = string.Empty;
public string Replacement = string.Empty;
public string Output = string.Empty;
public TemplateTag( string tag, string replacement = null )
{
Tag = tag;
if( replacement != null )
{
Replacement = replacement;
Output = replacement;
}
}
}
[Serializable]
public class TemplateId
{
public int StartIdx = -1;
public string UniqueID;
public string Tag;
public string ReplacementText;
public bool IsReplaced = false;
public bool EmptyReplacer = false;
public TemplateId( int bodyIdx, string uniqueID, string tag, bool emptyReplacer = false )
{
StartIdx = bodyIdx;
UniqueID = uniqueID;
Tag = tag;
EmptyReplacer = emptyReplacer;
ReplacementText = emptyReplacer ? string.Empty : tag;
}
public void SetReplacementText( string replacementText )
{
ReplacementText = replacementText;
IsReplaced = true;
}
public void Reset()
{
ReplacementText = EmptyReplacer?string.Empty:Tag;
IsReplaced = false;
}
}
[Serializable]
public class TemplateIdManager
{
[SerializeField]
private bool m_isSorted = false;
[SerializeField]
private string m_shaderBody;
[SerializeField]
private List<TemplateId> m_registeredIds = new List<TemplateId>();
[SerializeField]
private List<TemplateTag> m_registeredTags = new List<TemplateTag>();
[SerializeField]
private List<TemplatePassId> m_registeredPassIds = new List<TemplatePassId>();
private Dictionary<string, TemplateId> m_registeredIdsDict = new Dictionary<string, TemplateId>();
public TemplateIdManager( string shaderBody )
{
m_shaderBody = shaderBody;
}
public void Destroy()
{
m_registeredPassIds.Clear();
m_registeredPassIds = null;
m_registeredTags.Clear();
m_registeredTags = null;
m_registeredIds.Clear();
m_registeredIds = null;
if( m_registeredIdsDict != null )
{
m_registeredIdsDict.Clear();
m_registeredIdsDict = null;
}
}
void RefreshIds()
{
if( m_registeredIdsDict == null )
{
m_registeredIdsDict = new Dictionary<string, TemplateId>();
}
if( m_registeredIdsDict.Count != m_registeredIds.Count )
{
m_registeredIdsDict.Clear();
int count = m_registeredIds.Count;
for( int i = 0; i < count; i++ )
{
m_registeredIdsDict.Add( m_registeredIds[ i ].UniqueID, m_registeredIds[ i ] );
}
}
}
public void RegisterId( int bodyIdx, string uniqueID, string tag, bool emptyReplacer = false )
{
if( bodyIdx < 0 )
return;
RefreshIds();
TemplateId templateId = new TemplateId( bodyIdx, uniqueID, tag, emptyReplacer );
m_registeredIds.Add( templateId );
m_registeredIdsDict.Add( uniqueID, templateId );
}
public void RegisterTag( string tag, string replacement = null )
{
m_registeredTags.Add( new TemplateTag( tag, replacement ) );
}
public void RegisterPassId( string passId )
{
m_registeredPassIds.Add( new TemplatePassId() { PassId = passId, RemoveFromShader = false } );
}
public void SetPassIdUsage( int idx , bool removeFromShader )
{
m_registeredPassIds[ idx ].RemoveFromShader = removeFromShader;
}
public void SetReplacementText( string uniqueId, string replacementText )
{
RefreshIds();
if( m_registeredIdsDict.ContainsKey( uniqueId ) && m_registeredIdsDict[ uniqueId ].StartIdx >= 0 )
m_registeredIdsDict[ uniqueId ].SetReplacementText( replacementText );
}
public string BuildShader()
{
if( !m_isSorted )
{
m_registeredIds.Sort( ( x, y ) => { return x.StartIdx.CompareTo( y.StartIdx ); } );
}
int idCount = m_registeredIds.Count;
int offset = 0;
string finalShaderBody = m_shaderBody;
for( int i = 0; i < idCount; i++ )
{
if( m_registeredIds[ i ].StartIdx >= 0 && m_registeredIds[ i ].IsReplaced )
{
finalShaderBody = finalShaderBody.ReplaceAt( m_registeredIds[ i ].Tag, m_registeredIds[ i ].ReplacementText, offset + m_registeredIds[ i ].StartIdx );
offset += ( m_registeredIds[ i ].ReplacementText.Length - m_registeredIds[ i ].Tag.Length );
}
}
int count = m_registeredPassIds.Count;
for( int i = 0; i < count; i++ )
{
if( m_registeredPassIds[ i ].RemoveFromShader )
finalShaderBody = finalShaderBody.Replace( m_registeredPassIds[ i ].PassId, string.Empty );
}
for( int i = 0; i < idCount; i++ )
{
if( !m_registeredIds[ i ].IsReplaced && !m_registeredIds[ i ].Tag.Equals( m_registeredIds[ i ].ReplacementText ) )
{
finalShaderBody = finalShaderBody.Replace( m_registeredIds[ i ].Tag, m_registeredIds[ i ].ReplacementText );
}
}
count = m_registeredTags.Count;
for( int i = 0; i < count; i++ )
{
finalShaderBody = finalShaderBody.Replace( m_registeredTags[ i ].Tag, m_registeredTags[ i ].Replacement );
m_registeredTags[ i ].Replacement = m_registeredTags[ i ].Output;
}
//finalShaderBody = finalShaderBody.Replace( TemplatesManager.TemplateExcludeFromGraphTag, string.Empty );
//finalShaderBody = finalShaderBody.Replace( TemplatesManager.TemplateMainPassTag, string.Empty );
return finalShaderBody;
}
public void ResetRegistersState()
{
int count = m_registeredIds.Count;
for( int i = 0; i < count; i++ )
{
m_registeredIds[ i ].Reset();
}
}
public void Reset()
{
m_registeredIds.Clear();
if( m_registeredIdsDict == null )
{
m_registeredIdsDict = new Dictionary<string, TemplateId>();
}
else
{
m_registeredIdsDict.Clear();
}
}
public string ShaderBody
{
get { return m_shaderBody; }
set { m_shaderBody = value; }
}
public List<TemplateTag> RegisteredTags { get { return m_registeredTags; } set { m_registeredTags = value; } }
}
}
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