UltimateZoneBuilder/Source/Core/GZBuilder/GZDoom/MapinfoParser.cs

500 lines
16 KiB
C#

#region ================== Namespaces
using System.Collections.Generic;
using System.Drawing;
using System.Globalization;
using System.IO;
using SlimDX;
using CodeImp.DoomBuilder.ZDoom;
using CodeImp.DoomBuilder.GZBuilder.Data;
#endregion
namespace CodeImp.DoomBuilder.GZBuilder.GZDoom
{
internal sealed class MapinfoParser : ZDTextParser
{
#region ================== Delegates
public delegate void IncludeDelegate(MapinfoParser parser, string includefile);
public IncludeDelegate OnInclude;
#endregion
#region ================== Variables
private MapInfo mapinfo;
private readonly Dictionary<int, string> spawnnums;
private readonly Dictionary<int, string> doomednums; // <DoomEdNum, <lowercase classname, List of default arguments>>
#endregion
#region ================== Properties
public MapInfo MapInfo { get { return mapinfo; } }
public Dictionary<int, string> SpawnNums { get { return spawnnums; } }
public Dictionary<int, string> DoomEdNums { get { return doomednums; } }
#endregion
#region ================== Constructor
public MapinfoParser()
{
// Syntax
whitespace = "\n \t\r\u00A0";
specialtokens = ",{}=\n";
mapinfo = new MapInfo();
spawnnums = new Dictionary<int, string>();
doomednums = new Dictionary<int, string>();
}
#endregion
#region ================== Parsing
public bool Parse(Stream stream, string sourcefilename, string mapname)
{
base.Parse(stream, sourcefilename);
mapname = mapname.ToLowerInvariant();
while (SkipWhitespace(true))
{
string token = ReadToken();
if (!string.IsNullOrEmpty(token))
{
token = token.ToLowerInvariant();
if (ParseBlock(token, mapname)) break;
}
}
//check values
if (mapinfo.FadeColor.Red > 0 || mapinfo.FadeColor.Green > 0 || mapinfo.FadeColor.Blue > 0)
mapinfo.HasFadeColor = true;
if (mapinfo.OutsideFogColor.Red > 0 || mapinfo.OutsideFogColor.Green > 0 || mapinfo.OutsideFogColor.Blue > 0)
mapinfo.HasOutsideFogColor = true;
//Cannot fail here
return true;
}
//returns true if parsing is finished
private bool ParseBlock(string token, string mapName)
{
// Keep local data
Stream localstream = datastream;
string localsourcename = sourcename;
BinaryReader localreader = datareader;
if (token == "map" || token == "defaultmap" || token == "adddefaultmap")
{
switch(token)
{
case "map":
//get map name
SkipWhitespace(true);
token = ReadToken().ToLowerInvariant();
if (token != mapName) return false; //not finished, search for next "map", "defaultmap" or "adddefaultmap" block
break;
case "defaultmap":
//reset MapInfo
mapinfo = new MapInfo();
break;
}
//search for required keys
while (SkipWhitespace(true))
{
token = ReadToken().ToLowerInvariant();
//sky1 or sky2
if (token == "sky1" || token == "sky2")
{
string skyType = token;
SkipWhitespace(true);
token = StripTokenQuotes(ReadToken()).ToLowerInvariant();
//new format
if (token == "=")
{
SkipWhitespace(true);
//should be sky texture name
token = StripTokenQuotes(ReadToken());
bool gotComma = (token.IndexOf(",") != -1);
if (gotComma) token = token.Replace(",", "");
string skyTexture = StripTokenQuotes(token).ToLowerInvariant();
if (!string.IsNullOrEmpty(skyTexture))
{
if (skyType == "sky1")
mapinfo.Sky1 = skyTexture;
else
mapinfo.Sky2 = skyTexture;
//check if we have scrollspeed
SkipWhitespace(true);
token = StripTokenQuotes(ReadToken());
if (!gotComma && token == ",")
{
gotComma = true;
SkipWhitespace(true);
token = ReadToken();
}
if (gotComma)
{
float scrollSpeed = 0;
if (!ReadSignedFloat(token, ref scrollSpeed))
{
// Not numeric!
General.ErrorLogger.Add(ErrorType.Warning, "Unexpected token found in '" + sourcename + "' at line " + GetCurrentLineNumber() + ": expected " + skyType + " scroll speed value, but got '" + token + "'");
datastream.Seek(-token.Length - 1, SeekOrigin.Current); //step back and try parsing this token again
continue;
}
if (skyType == "sky1")
mapinfo.Sky1ScrollSpeed = scrollSpeed;
else
mapinfo.Sky2ScrollSpeed = scrollSpeed;
}
else
{
datastream.Seek(-token.Length - 1, SeekOrigin.Current); //step back and try parsing this token again
}
}
else
{
datastream.Seek(-token.Length - 1, SeekOrigin.Current); //step back and try parsing this token again
General.ErrorLogger.Add(ErrorType.Error, "Unexpected token found in '" + sourcename + "' at line " + GetCurrentLineNumber() + ": expected " + skyType + " texture name.");
}
}
//old format
else
{
//token should be sky1/2 name
if (!string.IsNullOrEmpty(token))
{
if (skyType == "sky1")
mapinfo.Sky1 = token;
else
mapinfo.Sky2 = token;
//try to read scroll speed
SkipWhitespace(true);
token = StripTokenQuotes(ReadToken());
float scrollSpeed = 0;
if (!ReadSignedFloat(token, ref scrollSpeed))
{
// Not numeric!
datastream.Seek(-token.Length - 1, SeekOrigin.Current); //step back and try parsing this token again
continue;
}
if (skyType == "sky1")
mapinfo.Sky1ScrollSpeed = scrollSpeed;
else
mapinfo.Sky2ScrollSpeed = scrollSpeed;
}
else
{
datastream.Seek(-token.Length - 1, SeekOrigin.Current); //step back and try parsing this token again
General.ErrorLogger.Add(ErrorType.Error, "Unexpected token found in '" + sourcename + "' at line " + GetCurrentLineNumber() + ": expected " + skyType + " texture name.");
}
}
}
//fade or outsidefog
else if (token == "fade" || token == "outsidefog")
{
string fadeType = token;
SkipWhitespace(true);
token = StripTokenQuotes(ReadToken()).ToLowerInvariant();
//new format?
if (token == "=")
{
SkipWhitespace(true);
token = ReadToken();
}
//get the color value
string colorVal = StripTokenQuotes(token).ToLowerInvariant().Replace(" ", "");
if(!string.IsNullOrEmpty(colorVal))
{
Color4 color = new Color4();
//try to get the color...
if(GetColor(colorVal, ref color))
{
if(fadeType == "fade")
mapinfo.FadeColor = color;
else
mapinfo.OutsideFogColor = color;
}
else //...or not
{
General.ErrorLogger.Add(ErrorType.Error, "Failed to parse " + fadeType + " value from string '" + colorVal + "' in '" + sourcename + "' at line " + GetCurrentLineNumber());
datastream.Seek(-token.Length - 1, SeekOrigin.Current); //step back and try parsing this token again
}
}
else
{
General.ErrorLogger.Add(ErrorType.Error, "Unexpected token found in '" + sourcename + "' at line " + GetCurrentLineNumber() + ": expected " + fadeType + " color value.");
datastream.Seek(-token.Length - 1, SeekOrigin.Current); //step back and try parsing this token again
}
}
//vertwallshade or horizwallshade
else if (token == "vertwallshade" || token == "horizwallshade")
{
string shadeType = token;
SkipWhitespace(true);
token = StripTokenQuotes(ReadToken());
//new format
if(token == "=")
{
SkipWhitespace(true);
token = StripTokenQuotes(ReadToken());
}
int val = 0;
if(!ReadSignedInt(token, ref val))
{
// Not numeric!
General.ErrorLogger.Add(ErrorType.Error, "Unexpected token found in '" + sourcename + "' at line " + GetCurrentLineNumber() + ": expected " + shadeType + " value, but got '" + token + "'");
datastream.Seek(-token.Length - 1, SeekOrigin.Current); //step back and try parsing this token again
continue;
}
if(shadeType == "vertwallshade")
mapinfo.VertWallShade = General.Clamp(val, -255, 255);
else
mapinfo.HorizWallShade = General.Clamp(val, -255, 255);
}
//fogdensity or outsidefogdensity
else if(token == "fogdensity" || token == "outsidefogdensity")
{
string densityType = token;
SkipWhitespace(true);
token = StripTokenQuotes(ReadToken());
//new format
if(token == "=")
{
SkipWhitespace(true);
token = StripTokenQuotes(ReadToken());
}
int val;
if(!int.TryParse(token, NumberStyles.Integer, CultureInfo.InvariantCulture, out val))
{
// Not numeric!
General.ErrorLogger.Add(ErrorType.Error, "Unexpected token found in '" + sourcename + "' at line " + GetCurrentLineNumber() + ": expected " + densityType + " value, but got '" + token + "'");
datastream.Seek(-token.Length - 1, SeekOrigin.Current); //step back and try parsing this token again
continue;
}
if (densityType == "fogdensity")
mapinfo.FogDensity = (int)(1024 * (256.0f / val));
else
mapinfo.OutsideFogDensity = (int)(1024 * (256.0f / val));
}
//doublesky
else if (token == "doublesky")
{
mapinfo.DoubleSky = true;
}
//evenlighting
else if (token == "evenlighting")
{
mapinfo.EvenLighting = true;
}
//smoothlighting
else if (token == "smoothlighting")
{
mapinfo.SmoothLighting = true;
}
//block end
else if (token == "}")
{
return ParseBlock(token, mapName);
}
}
}
else if(token == "#include")
{
SkipWhitespace(true);
string includeLump = StripTokenQuotes(ReadToken()).ToLowerInvariant();
if(!string.IsNullOrEmpty(includeLump))
{
// Callback to parse this file
if(OnInclude != null)
OnInclude(this, includeLump.Replace(Path.AltDirectorySeparatorChar, Path.DirectorySeparatorChar));
// Set our buffers back to continue parsing
datastream = localstream;
datareader = localreader;
sourcename = localsourcename;
}
else
{
General.ErrorLogger.Add(ErrorType.Error, "Error in '" + sourcename + "' at line " + GetCurrentLineNumber() + ": got #include directive with missing or incorrect path: '" + includeLump + "'.");
}
}
else if(token == "gameinfo")
{
if(!NextTokenIs("{")) return true; // Finished with this file
while(SkipWhitespace(true))
{
token = ReadToken();
if(string.IsNullOrEmpty(token))
{
General.ErrorLogger.Add(ErrorType.Error, "Error while parisng '" + sourcename + "' at line " + GetCurrentLineNumber() + ": failed to find the end of GameInfo block");
return true; // Finished with this file
}
if(token == "}") break;
if(token == "skyflatname")
{
if(!NextTokenIs("=")) return true; // Finished with this file
SkipWhitespace(true);
string skyflatname = StripTokenQuotes(ReadToken());
if(string.IsNullOrEmpty(skyflatname))
{
General.ErrorLogger.Add(ErrorType.Error, "Error while parisng '" + sourcename + "' at line " + GetCurrentLineNumber() + ": unable to get SkyFlatName value");
return true; // Finished with this file
}
General.Map.Config.SkyFlatName = skyflatname.ToUpperInvariant();
}
}
}
else if(token == "doomednums")
{
if(!NextTokenIs("{")) return true; // Finished with this file
while(SkipWhitespace(true))
{
token = ReadToken();
if(string.IsNullOrEmpty(token))
{
General.ErrorLogger.Add(ErrorType.Error, "Error while parisng '" + sourcename + "' at line " + GetCurrentLineNumber() + ": failed to find the end of DoomEdNums block");
return true; // Finished with this file
}
if(token == "}") break;
// First must be a number
int id;
if(!int.TryParse(token, NumberStyles.Integer, CultureInfo.InvariantCulture, out id))
{
// Not numeric!
General.ErrorLogger.Add(ErrorType.Error, "Unexpected token found in '" + sourcename + "' at line " + GetCurrentLineNumber() + ": expected DoomEdNums entry number, but got '" + token + "'");
return true; // Finished with this file
}
// Then "="
if(!NextTokenIs("=")) return true; // Finished with this file
// Then actor class
SkipWhitespace(false);
string classname = StripTokenQuotes(ReadToken());
if(string.IsNullOrEmpty(classname))
{
General.ErrorLogger.Add(ErrorType.Error, "Error while parisng '" + sourcename + "' at line " + GetCurrentLineNumber() + ": unable to get DoomEdNums entry class definition");
return true; // Finished with this file
}
// Possible special and args. We'll skip them
for (int i = 0; i < 6; i++)
{
if(!NextTokenIs(",", false)) break;
// Read special name or arg value
if(!SkipWhitespace(true) || string.IsNullOrEmpty(ReadToken())) return false;
}
// Add to collection?
if(id != 0) doomednums[id] = classname.ToLowerInvariant();
}
}
else if(token == "spawnnums")
{
if(!NextTokenIs("{")) return true; // Finished with this file
while (SkipWhitespace(true))
{
token = ReadToken();
if(string.IsNullOrEmpty(token))
{
General.ErrorLogger.Add(ErrorType.Error, "Error while parisng '" + sourcename + "' at line " + GetCurrentLineNumber() + ": failed to find the end of SpawnNums block");
return true; // Finished with this file
}
if(token == "}") break;
// First must be a number
int id;
if(!int.TryParse(token, NumberStyles.Integer, CultureInfo.InvariantCulture, out id))
{
// Not numeric!
General.ErrorLogger.Add(ErrorType.Error, "Unexpected token found in '" + sourcename + "' at line " + GetCurrentLineNumber() + ": expected SpawnNums number, but got '" + token + "'");
return true; // Finished with this file
}
// Then "="
if(!NextTokenIs("=")) return true; // Finished with this file
// Then actor class
SkipWhitespace(false);
token = StripTokenQuotes(ReadToken());
if(string.IsNullOrEmpty(token))
{
General.ErrorLogger.Add(ErrorType.Error, "Error while parisng '" + sourcename + "' at line " + GetCurrentLineNumber() + ": unable to get SpawnNums entry class definition");
return true;
}
// Add to collection
spawnnums[id] = token.ToLowerInvariant();
}
}
else if(token == "$gzdb_skip")
{
return true; // Finished with this file
}
return false; // Not done yet
}
#endregion
#region ================== Methods
private static bool GetColor(string name, ref Color4 color)
{
if (name == "black") return true;
//probably it's a hex color (like FFCC11)?
int ci;
if (int.TryParse(name, NumberStyles.HexNumber, CultureInfo.InvariantCulture, out ci))
{
color = new Color4(ci) {Alpha = 1.0f};
return true;
}
//probably it's a color name?
Color c = Color.FromName(name); //should be similar to C++ color name detection, I suppose
if (c.IsKnownColor)
{
color = new Color4(c);
return true;
}
return false;
}
#endregion
}
}