ZoneBuilder/Source/Core/SRB2/SOCObjectParser.cs

438 lines
15 KiB
C#

#region ================== Namespaces
using System;
using System.Collections.Generic;
using System.Globalization;
using System.IO;
using System.Text;
using CodeImp.DoomBuilder.Compilers;
using CodeImp.DoomBuilder.Data;
using CodeImp.DoomBuilder.ZDoom;
using CodeImp.DoomBuilder.GZBuilder.Data;
using System.Windows.Forms;
#endregion
namespace CodeImp.DoomBuilder.SRB2
{
internal sealed class SOCObjectParser : ZDTextParser
{
#region ================== Delegates
public delegate void IncludeDelegate(SOCObjectParser parser, string includefile, bool clearerror);
public IncludeDelegate OnInclude;
#endregion
#region ================== Variables
private Dictionary<string, SRB2Object> objects;
/*private Dictionary<string, SRB2State> states;
private List<string> objectfreeslots;
private List<string> statefreeslots;
private List<string> spritefreeslots;*/
private IDictionary<string, int> flagValues = new Dictionary<string, int>
{
{ "MF_SPECIAL", 0x1 },
{ "MF_SOLID", 0x2 },
{ "MF_SHOOTABLE", 0x4 },
{ "MF_NOSECTOR", 0x8 },
{ "MF_NOBLOCKMAP", 0x10 },
{ "MF_AMBUSH", 0x20 },
{ "MF_PUSHABLE", 0x40 },
{ "MF_BOSS", 0x80 },
{ "MF_SPAWNCEILING", 0x100 },
{ "MF_NOGRAVITY", 0x200 },
{ "MF_AMBIENT", 0x400 },
{ "MF_SLIDEME", 0x800 },
{ "MF_NOCLIP", 0x1000 },
{ "MF_FLOAT", 0x2000 },
{ "MF_BOXICON", 0x4000 },
{ "MF_MISSILE", 0x8000 },
{ "MF_SPRING", 0x10000 },
{ "MF_BOUNCE", 0x20000 },
{ "MF_MONITOR", 0x40000 },
{ "MF_NOTHINK", 0x80000 },
{ "MF_FIRE", 0x100000 },
{ "MF_NOCLIPHEIGHT", 0x200000 },
{ "MF_ENEMY", 0x400000 },
{ "MF_SCENERY", 0x800000 },
{ "MF_PAIN", 0x1000000 },
{ "MF_STICKY", 0x2000000 },
{ "MF_NIGHTSITEM", 0x4000000 },
{ "MF_NOCLIPTHING", 0x8000000 },
{ "MF_GRENADEBOUNCE", 0x10000000 },
{ "MF_RUNSPAWNFUNC", 0x10000000 }
};
private StreamReader streamreader;
private int linenumber;
#endregion
#region ================== Properties
public Dictionary<string, SRB2Object> Objects { get { return objects; } }
#endregion
#region ================== Constructor
public SOCObjectParser()
{
// Syntax
whitespace = "\n \t\r\u00A0";
specialtokens = "=\n";
objects = new Dictionary<string,SRB2Object>();
/*states = new Dictionary<string,SRB2State>();
objectfreeslots = new List<string>();
statefreeslots = new List<string>();
spritefreeslots = new List<string>();*/
}
// Disposer
public void Dispose()
{
objects = null;
/*states = null;
objectfreeslots = null;
statefreeslots = null;
spritefreeslots = null;*/
}
#endregion
#region ================== Parsing
override public bool Parse(Stream stream, string sourcefilename, bool clearerrors)
{
if (!base.Parse(stream, sourcefilename, clearerrors)) return false;
// Keep local data
streamreader = new StreamReader(stream, Encoding.ASCII);
linenumber = -1;
while (!streamreader.EndOfStream)
{
string line = RemoveComments(streamreader.ReadLine());
linenumber++;
if (String.IsNullOrEmpty(line) || line.StartsWith("\n")) continue;
string[] tokens = line.Split(new char[] { ' ' });
switch (tokens[0].ToUpperInvariant())
{
/*case "FREESLOT":
if (!ParseFreeslots()) return false;
break;*/
case "OBJECT":
case "MOBJ":
case "THING":
if (tokens.Length < 2 || String.IsNullOrEmpty(tokens[1]))
{
ReportError("Object block is missing an object name");
break;
}
if (!ParseObject(tokens[1].ToUpperInvariant())) return false;
break;
/*case "STATE":
case "FRAME":
if (tokens.Length < 2 || String.IsNullOrEmpty(tokens[1]))
{
ReportError("State block is missing an state name");
break;
}
if (!ParseState(tokens[1].ToUpperInvariant())) return false;
break;*/
}
}
// All done
return !this.HasError;
}
#endregion
#region ================== Map block parsing
/*private bool ParseFreeslots()
{
while (!streamreader.EndOfStream)
{
string line = streamreader.ReadLine();
linenumber++;
if (String.IsNullOrEmpty(line) || line.StartsWith("\n")) break;
if (line.StartsWith("#")) continue;
line = RemoveComments(line).Trim();
if (line.StartsWith("MT_")) objectfreeslots.Add(line);
else if (line.StartsWith("S_")) statefreeslots.Add(line);
else if (line.StartsWith("SPR_")) spritefreeslots.Add(line);
}
return true;
}*/
private bool ParseObject(string objname)
{
if (objname == null) return false;
string name = objname;
string category = "";
string sprite = DataManager.INTERNAL_PREFIX + "unknownthing";
string[] states = new string[8];
int mapThingNum = -1;
int radius = 0;
int height = 0;
int flags = 0;
Dictionary<string, string> newflags = new Dictionary<string, string>();
string angletext = "";
string parametertext = "";
string flagsvaluetext = "";
bool arrow = false;
bool tagthing = false;
while (!streamreader.EndOfStream)
{
string line = streamreader.ReadLine();
linenumber++;
if (String.IsNullOrEmpty(line) || line.StartsWith("\n")) break;
if (line.StartsWith("#$Sprite "))
{
string spritename = line.Substring(9);
if (((spritename.Length > DataManager.INTERNAL_PREFIX.Length) &&
spritename.ToLowerInvariant().StartsWith(DataManager.INTERNAL_PREFIX)) ||
General.Map.Data.GetSpriteExists(spritename))
{
sprite = spritename;
continue;
}
LogWarning("The sprite \"" + spritename + "\" assigned by the \"$sprite\" property does not exist");
continue;
}
if (line.StartsWith("#$Name "))
{
name = ZDTextParser.StripQuotes(line.Substring(7));
continue;
}
if (line.StartsWith("#$Category "))
{
category = line.Substring(11);
continue;
}
if (line.StartsWith("#$Flags"))
{
string index = line.Substring(7, 1);
if (line.Substring(8, 5) == "Text ")
newflags[index] = "[" + index + "] " + ZDTextParser.StripQuotes(line.Substring(13));
continue;
}
if (line.StartsWith("#$AngleText "))
{
angletext = ZDTextParser.StripQuotes(line.Substring(12));
continue;
}
if (line.StartsWith("#$ParameterText "))
{
parametertext = ZDTextParser.StripQuotes(line.Substring(16));
continue;
}
if (line.StartsWith("#$FlagsValueText "))
{
flagsvaluetext = ZDTextParser.StripQuotes(line.Substring(17));
continue;
}
if (line.StartsWith("#$Arrow"))
{
arrow = true;
continue;
}
if (line.StartsWith("#$TagThing"))
{
tagthing = true;
continue;
}
if (line.StartsWith("#")) continue;
line = RemoveComments(line);
string[] tokens = line.Split(new char[] { '=' });
if (tokens.Length != 2)
{
ReportError("Invalid line");
return false;
}
tokens[0] = tokens[0].Trim().ToUpperInvariant();
tokens[1] = tokens[1].Trim().ToUpperInvariant();
switch(tokens[0])
{
case "MAPTHINGNUM":
if (!int.TryParse(tokens[1], NumberStyles.Integer, CultureInfo.InvariantCulture, out mapThingNum))
LogWarning("Could not parse map thing number");
break;
case "RADIUS":
if (!ParseWithArithmetic(tokens[1], out radius))
LogWarning("Could not parse radius");
radius /= 65536;
break;
case "HEIGHT":
if (!ParseWithArithmetic(tokens[1], out height))
LogWarning("Could not parse height");
height /= 65536;
break;
case "SPAWNSTATE":
states[0] = tokens[1];
break;
case "SEESTATE":
states[1] = tokens[1];
break;
case "PAINSTATE":
states[2] = tokens[1];
break;
case "MELEESTATE":
states[3] = tokens[1];
break;
case "MISSILESTATE":
states[4] = tokens[1];
break;
case "DEATHSTATE":
states[5] = tokens[1];
break;
case "XDEATHSTATE":
states[6] = tokens[1];
break;
case "RAISESTATE":
states[7] = tokens[1];
break;
case "FLAGS":
if (!ParseFlags(tokens[1], out flags))
LogWarning("Could not parse flags");
break;
}
}
if (mapThingNum > 0)
{
SRB2Object o = new SRB2Object(name, sprite, category, states, mapThingNum, radius, height, flags,
newflags, angletext, parametertext, flagsvaluetext, arrow, tagthing);
if (objects.ContainsKey(objname))
objects[objname] = o;
else
objects.Add(objname, o);
}
return true;
}
/*private bool ParseState(string name)
{
if (name == null) return false;
string spritename = "";
int spriteframe = 0;
string next = "";
while (!streamreader.EndOfStream)
{
string line = streamreader.ReadLine();
linenumber++;
if (String.IsNullOrEmpty(line) || line.StartsWith("\n")) break;
if (line.StartsWith("#")) continue;
line = RemoveComments(line);
string[] tokens = line.Split(new char[] { '=' });
if (tokens.Length != 2)
{
ReportError("Invalid line");
return false;
}
tokens[0] = tokens[0].Trim().ToUpperInvariant();
tokens[1] = tokens[1].Trim().ToUpperInvariant();
switch (tokens[0])
{
case "SPRITENAME":
case "SPRITENUMBER":
spritename = tokens[1];
break;
case "SPRITEFRAME":
case "SPRITESUBNUMBER":
//TODO: Strip flags
spriteframe = ParseSpriteFrame(tokens[1]);
break;
case "NEXT":
next = tokens[1];
break;
}
}
states.Add(new SRB2State(name, spritename, spriteframe, next));
return true;
}*/
#endregion
#region ================== Methods
private bool ParseWithArithmetic(string input, out int output)
{
output = 0;
string[] tokens = input.Split(new char[] { '+' });
foreach (string t in tokens)
{
int val = 0;
if (!ParseMultiplication(t, out val))
return false;
output += val;
}
return true;
}
private bool ParseMultiplication(string input, out int output)
{
output = 1;
string[] tokens = input.Split(new char[] { '*' });
foreach (string t in tokens)
{
string trimmed = t.Trim();
int val = 1;
if (trimmed == "FRACUNIT") val = 65536;
else if (!int.TryParse(trimmed, NumberStyles.Integer, CultureInfo.InvariantCulture, out val))
return false;
output *= val;
}
return true;
}
private bool ParseFlags(string input, out int output)
{
output = 0;
string[] tokens = input.Split(new char[] { '|' });
foreach (string token in tokens)
{
if (flagValues.ContainsKey(token))
{
output |= flagValues[token];
}
else
{
int val = 0;
if (!int.TryParse(token, NumberStyles.Integer, CultureInfo.InvariantCulture, out val))
return false;
output |= val;
}
}
return true;
}
// This reports an error
protected internal override void ReportError(string message)
{
// Set error information
errordesc = message;
errorline = (streamreader != null ? linenumber : CompilerError.NO_LINE_NUMBER); //mxd
errorsource = sourcename;
}
private string RemoveComments(string line)
{
string[] tokens = line.Split(new char[] { '#' });
return tokens[0];
}
protected override string GetLanguageType()
{
return "SOC";
}
#endregion
}
}