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115 lines
3.6 KiB
115 lines
3.6 KiB
// Amplify Shader Editor - Visual Shader Editing Tool
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// Copyright (c) Amplify Creations, Lda <info@amplify.pt>
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using System;
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using System.Collections.Generic;
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using System.Text.RegularExpressions;
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namespace AmplifyShaderEditor
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{
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[Serializable]
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public class TemplatePassInfo
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{
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public string Modules;
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public string Data;
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public int GlobalStartIdx = -1;
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public int LocalStartIdx = -1;
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}
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[Serializable]
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public class TemplateSubShaderInfo
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{
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public string Data;
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public string Modules;
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public int StartIdx = -1;
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public List<TemplatePassInfo> Passes = new List<TemplatePassInfo>();
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public void Destroy()
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{
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Passes.Clear();
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Passes = null;
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}
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}
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[Serializable]
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public class TemplateShaderInfo
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{
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public string Body;
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public string Properties;
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public int PropertyStartIdx = -1;
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public List<TemplateSubShaderInfo> SubShaders = new List<TemplateSubShaderInfo>();
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public void Destroy()
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{
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int count = SubShaders.Count;
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for( int i = 0; i < count; i++ )
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{
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SubShaders[ i ].Destroy();
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}
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SubShaders.Clear();
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SubShaders = null;
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}
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}
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public class TemplateShaderInfoUtil
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{
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public static TemplateShaderInfo CreateShaderData( string body )
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{
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int nameBegin = body.IndexOf( TemplatesManager.TemplateShaderNameBeginTag );
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if( nameBegin < 0 )
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{
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// Not a template
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return null;
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}
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TemplateShaderInfo shaderData = null;
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//SHADER
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MatchCollection shaderMatch = Regex.Matches( body, "\\bShader\\b" );
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if( shaderMatch.Count > 0 )
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{
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//SUBSHADER
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MatchCollection subShaderMatch = Regex.Matches( body, TemplatesManager.TemplateMPSubShaderTag );
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int subShaderAmount = subShaderMatch.Count;
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if( subShaderAmount > 0 )
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{
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shaderData = new TemplateShaderInfo();
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shaderData.Body = body;
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int length = subShaderMatch[ 0 ].Index - shaderMatch[ 0 ].Groups[ 0 ].Index;
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shaderData.Properties = body.Substring( shaderMatch[ 0 ].Index, length );
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shaderData.PropertyStartIdx = body.IndexOf( TemplatesManager.TemplatePropertyTag );
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for( int subShaderIdx = 0; subShaderIdx < subShaderAmount; subShaderIdx++ )
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{
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TemplateSubShaderInfo subShaderData = new TemplateSubShaderInfo();
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int subshaderBeginIndex = subShaderMatch[ subShaderIdx ].Index;
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int subShaderEndIndex = ( subShaderIdx == ( subShaderAmount - 1 ) ) ? body.Length - 1 : subShaderMatch[ subShaderIdx + 1 ].Index;
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subShaderData.Data = body.Substring( subshaderBeginIndex, subShaderEndIndex - subshaderBeginIndex );
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subShaderData.StartIdx = subshaderBeginIndex;
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//PASS
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MatchCollection passMatch = Regex.Matches( subShaderData.Data, TemplatesManager.TemplatePassTagPattern );
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if( passMatch.Count == 0 )
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{
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passMatch = Regex.Matches( subShaderData.Data, TemplatesManager.TemplateMPPassTag );
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}
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int passCount = passMatch.Count;
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if( passCount > 0 )
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{
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subShaderData.Modules = subShaderData.Data.Substring( 0, passMatch[ 0 ].Index );
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for( int passIdx = 0; passIdx < passCount; passIdx++ )
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{
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int passBeginIndex = passMatch[ passIdx ].Index;
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int passEndIdx = ( passIdx == ( passCount - 1 ) ) ? subShaderData.Data.Length - 1 : passMatch[ passIdx + 1 ].Index;
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TemplatePassInfo passData = new TemplatePassInfo();
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passData.Data = subShaderData.Data.Substring( passBeginIndex, passEndIdx - passBeginIndex );
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passData.GlobalStartIdx = subshaderBeginIndex + passBeginIndex;
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passData.LocalStartIdx = passBeginIndex;
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subShaderData.Passes.Add( passData );
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}
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shaderData.SubShaders.Add( subShaderData );
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}
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}
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}
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}
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return shaderData;
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}
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}
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}
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