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support #include in .cg files

This commit is contained in:
zeromus 2015-10-18 21:13:12 -05:00
parent 01f1be126e
commit 3919f5f5d3
1 changed files with 18 additions and 1 deletions
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19
BizHawk.Client.EmuHawk/DisplayManager/Filters/Retro.cs
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@ -7,6 +7,7 @@ using System.Linq;
using System.Diagnostics;
using System.Collections.Generic;
using System.IO;
using System.Text.RegularExpressions;
using System.Drawing;
using BizHawk.Common;
@ -24,6 +25,21 @@ namespace BizHawk.Client.EmuHawk.Filters
{
public class RetroShaderChain : IDisposable
{
static System.Text.RegularExpressions.Regex rxInclude = new Regex(@"^(\s)?\#include(\s)+(""|<)(.*)?(""|>)", RegexOptions.Multiline | RegexOptions.IgnoreCase);
static string ResolveIncludes(string content, string baseDirectory)
{
for (; ; )
{
var match = rxInclude.Match(content);
if(match.Value == "") break;
string fname = match.Groups[4].Value;
fname = Path.Combine(baseDirectory,fname);
string includedContent = ResolveIncludes(File.ReadAllText(fname),Path.GetDirectoryName(fname));
content = content.Substring(0, match.Index) + includedContent + content.Substring(match.Index + match.Length);
}
return content;
}
public RetroShaderChain(IGL owner, RetroShaderPreset preset, string baseDirectory, bool debug = false)
{
Owner = owner;
@ -45,7 +61,8 @@ namespace BizHawk.Client.EmuHawk.Filters
ok = false;
break;
}
string content = File.ReadAllText(path);
string content = ResolveIncludes(File.ReadAllText(path), Path.GetDirectoryName(path));
var shader = new RetroShader(Owner, content, debug);
Shaders[i] = shader;