UltimateZoneBuilder/Source/IO/UniversalStreamReader.cs
2008-09-23 17:46:34 +00:00

423 lines
14 KiB
C#

#region ================== Copyright (c) 2007 Pascal vd Heiden
/*
* Copyright (c) 2007 Pascal vd Heiden, www.codeimp.com
* This program is released under GNU General Public License
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
*/
#endregion
#region ================== Namespaces
using System;
using System.Collections;
using System.Collections.Generic;
using System.Globalization;
using System.Text;
using System.IO;
using CodeImp.DoomBuilder.Map;
using CodeImp.DoomBuilder.Geometry;
using System.Windows.Forms;
using CodeImp.DoomBuilder.Config;
using CodeImp.DoomBuilder.Types;
#endregion
namespace CodeImp.DoomBuilder.IO
{
internal class UniversalStreamReader
{
#region ================== Constants
// Name of the UDMF configuration file
private const string UDMF_CONFIG_NAME = "UDMF.cfg";
#endregion
#region ================== Variables
private Configuration config;
private bool setknowncustomtypes;
private bool strictchecking = true;
#endregion
#region ================== Properties
public bool SetKnownCustomTypes { get { return setknowncustomtypes; } set { setknowncustomtypes = value; } }
public bool StrictChecking { get { return strictchecking; } set { strictchecking = value; } }
#endregion
#region ================== Constructor / Disposer
// Constructor
public UniversalStreamReader()
{
// Make configuration
config = new Configuration();
// Find a resource named UDMF.cfg
string[] resnames = General.ThisAssembly.GetManifestResourceNames();
foreach(string rn in resnames)
{
// Found it?
if(rn.EndsWith(UDMF_CONFIG_NAME, StringComparison.InvariantCultureIgnoreCase))
{
// Get a stream from the resource
Stream udmfcfg = General.ThisAssembly.GetManifestResourceStream(rn);
StreamReader udmfcfgreader = new StreamReader(udmfcfg, Encoding.ASCII);
// Load configuration from stream
config.InputConfiguration(udmfcfgreader.ReadToEnd());
// Now we add the linedef flags, activations and thing flags
// to this list, so that these don't show up in the custom
// fields list either. We use true as dummy value (it has no meaning)
// Add linedef flags
foreach(KeyValuePair<string, string> flag in General.Map.Config.LinedefFlags)
config.WriteSetting("managedfields.linedef." + flag.Key, true);
// Add linedef activations
foreach(LinedefActivateInfo activate in General.Map.Config.LinedefActivates)
config.WriteSetting("managedfields.linedef." + activate.Key, true);
// Add thing flags
foreach(KeyValuePair<string, string> flag in General.Map.Config.ThingFlags)
config.WriteSetting("managedfields.thing." + flag.Key, true);
// Done
udmfcfgreader.Dispose();
udmfcfg.Dispose();
break;
}
}
}
#endregion
#region ================== Reading
// This reads from a stream
public MapSet Read(MapSet map, Stream stream)
{
StreamReader reader = new StreamReader(stream, Encoding.ASCII);
Dictionary<int, Vertex> vertexlink;
Dictionary<int, Sector> sectorlink;
UniversalParser textmap = new UniversalParser();
textmap.StrictChecking = strictchecking;
try
{
// Read UDMF from stream
textmap.InputConfiguration(reader.ReadToEnd());
// Check for errors
if(textmap.ErrorResult != 0)
{
// Show parse error
General.ShowErrorMessage("Error while parsing UDMF map data:\n" + textmap.ErrorDescription, MessageBoxButtons.OK);
}
else
{
// Read the map
vertexlink = ReadVertices(map, textmap);
sectorlink = ReadSectors(map, textmap);
ReadLinedefs(map, textmap, vertexlink, sectorlink);
ReadThings(map, textmap);
}
}
catch(Exception e)
{
General.ShowErrorMessage("Unexpected error reading UDMF map data. " + e.GetType().Name + ": " + e.Message, MessageBoxButtons.OK);
}
return map;
}
// This reads the things
private void ReadThings(MapSet map, UniversalParser textmap)
{
// Get list of entries
List<UniversalCollection> collections = GetNamedCollections(textmap.Root, "thing");
// Go for all collections
for(int i = 0; i < collections.Count; i++)
{
// Read fields
UniversalCollection c = collections[i];
int[] args = new int[Linedef.NUM_ARGS];
float x = GetCollectionEntry<float>(c, "x", true, 0.0f);
float y = GetCollectionEntry<float>(c, "y", true, 0.0f);
float height = GetCollectionEntry<float>(c, "height", false, 0.0f);
int tag = GetCollectionEntry<int>(c, "id", false, 0);
int angledeg = GetCollectionEntry<int>(c, "angle", false, 0);
int type = GetCollectionEntry<int>(c, "type", true, 0);
int special = GetCollectionEntry<int>(c, "special", false, 0);
args[0] = GetCollectionEntry<int>(c, "arg0", false, 0);
args[1] = GetCollectionEntry<int>(c, "arg1", false, 0);
args[2] = GetCollectionEntry<int>(c, "arg2", false, 0);
args[3] = GetCollectionEntry<int>(c, "arg3", false, 0);
args[4] = GetCollectionEntry<int>(c, "arg4", false, 0);
// Flags
Dictionary<string, bool> stringflags = new Dictionary<string, bool>();
foreach(KeyValuePair<string, string> flag in General.Map.Config.ThingFlags)
stringflags[flag.Key] = GetCollectionEntry<bool>(c, flag.Key, false, false);
// Create new item
Thing t = map.CreateThing();
t.Update(type, x, y, height, Angle2D.DegToRad(angledeg), stringflags, tag, special, args);
//t.DetermineSector();
t.UpdateConfiguration();
// Custom fields
ReadCustomFields(c, t, "thing");
}
}
// This reads the linedefs and sidedefs
private void ReadLinedefs(MapSet map, UniversalParser textmap,
Dictionary<int, Vertex> vertexlink, Dictionary<int, Sector> sectorlink)
{
// Get list of entries
List<UniversalCollection> linescolls = GetNamedCollections(textmap.Root, "linedef");
List<UniversalCollection> sidescolls = GetNamedCollections(textmap.Root, "sidedef");
// Go for all lines
for(int i = 0; i < linescolls.Count; i++)
{
// Read fields
UniversalCollection lc = linescolls[i];
int[] args = new int[Linedef.NUM_ARGS];
int tag = GetCollectionEntry<int>(lc, "id", false, 0);
int v1 = GetCollectionEntry<int>(lc, "v1", true, 0);
int v2 = GetCollectionEntry<int>(lc, "v2", true, 0);
int special = GetCollectionEntry<int>(lc, "special", false, 0);
args[0] = GetCollectionEntry<int>(lc, "arg0", false, 0);
args[1] = GetCollectionEntry<int>(lc, "arg1", false, 0);
args[2] = GetCollectionEntry<int>(lc, "arg2", false, 0);
args[3] = GetCollectionEntry<int>(lc, "arg3", false, 0);
args[4] = GetCollectionEntry<int>(lc, "arg4", false, 0);
int s1 = GetCollectionEntry<int>(lc, "sidefront", true, -1);
int s2 = GetCollectionEntry<int>(lc, "sideback", false, -1);
// Flags
Dictionary<string, bool> stringflags = new Dictionary<string, bool>();
foreach(KeyValuePair<string, string> flag in General.Map.Config.LinedefFlags)
stringflags[flag.Key] = GetCollectionEntry<bool>(lc, flag.Key, false, false);
// Activations
foreach(LinedefActivateInfo activate in General.Map.Config.LinedefActivates)
stringflags[activate.Key] = GetCollectionEntry<bool>(lc, activate.Key, false, false);
// Create new item
Linedef l = map.CreateLinedef(vertexlink[v1], vertexlink[v2]);
l.Update(stringflags, 0, tag, special, args);
l.UpdateCache();
// Custom fields
ReadCustomFields(lc, l, "linedef");
// Read sidedefs and connect them to the line
if(s1 > -1) ReadSidedef(map, sidescolls[s1], l, true, sectorlink);
if(s2 > -1) ReadSidedef(map, sidescolls[s2], l, false, sectorlink);
}
}
// This reads a single sidedef and connects it to the given linedef
private void ReadSidedef(MapSet map, UniversalCollection sc, Linedef ld,
bool front, Dictionary<int, Sector> sectorlink)
{
// Read fields
int offsetx = GetCollectionEntry<int>(sc, "offsetx", false, 0);
int offsety = GetCollectionEntry<int>(sc, "offsety", false, 0);
string thigh = GetCollectionEntry<string>(sc, "texturetop", false, "-");
string tlow = GetCollectionEntry<string>(sc, "texturebottom", false, "-");
string tmid = GetCollectionEntry<string>(sc, "texturemiddle", false, "-");
int sector = GetCollectionEntry<int>(sc, "sector", true, 0);
// Create sidedef
Sidedef s = map.CreateSidedef(ld, front, sectorlink[sector]);
s.Update(offsetx, offsety, thigh, tmid, tlow);
// Custom fields
ReadCustomFields(sc, s, "sidedef");
}
// This reads the sectors
private Dictionary<int, Sector> ReadSectors(MapSet map, UniversalParser textmap)
{
Dictionary<int, Sector> link;
// Get list of entries
List<UniversalCollection> collections = GetNamedCollections(textmap.Root, "sector");
// Create lookup table
link = new Dictionary<int, Sector>(collections.Count);
// Go for all collections
for(int i = 0; i < collections.Count; i++)
{
// Read fields
UniversalCollection c = collections[i];
int hfloor = GetCollectionEntry<int>(c, "heightfloor", false, 0);
int hceil = GetCollectionEntry<int>(c, "heightceiling", false, 0);
string tfloor = GetCollectionEntry<string>(c, "texturefloor", true, "-");
string tceil = GetCollectionEntry<string>(c, "textureceiling", true, "-");
int bright = GetCollectionEntry<int>(c, "lightlevel", false, 160);
int special = GetCollectionEntry<int>(c, "special", false, 0);
int tag = GetCollectionEntry<int>(c, "id", false, 0);
// Create new item
Sector s = map.CreateSector();
s.Update(hfloor, hceil, tfloor, tceil, special, tag, bright);
// Custom fields
ReadCustomFields(c, s, "sector");
// Add it to the lookup table
link.Add(i, s);
}
// Return lookup table
return link;
}
// This reads the vertices
private Dictionary<int, Vertex> ReadVertices(MapSet map, UniversalParser textmap)
{
Dictionary<int, Vertex> link;
// Get list of entries
List<UniversalCollection> collections = GetNamedCollections(textmap.Root, "vertex");
// Create lookup table
link = new Dictionary<int, Vertex>(collections.Count);
// Go for all collections
for(int i = 0; i < collections.Count; i++)
{
// Read fields
UniversalCollection c = collections[i];
float x = GetCollectionEntry<float>(c, "x", true, 0.0f);
float y = GetCollectionEntry<float>(c, "y", true, 0.0f);
// Create new item
Vertex v = map.CreateVertex(new Vector2D(x, y));
// Custom fields
ReadCustomFields(c, v, "vertex");
// Add it to the lookup table
link.Add(i, v);
}
// Return lookup table
return link;
}
// This reads custom fields from a collection and adds them to a map element
private void ReadCustomFields(UniversalCollection collection, MapElement element, string elementname)
{
// Go for all the elements in the collection
foreach(UniversalEntry e in collection)
{
// Check if not a managed field
if(!config.SettingExists("managedfields." + elementname + "." + e.Key))
{
int type = (int)UniversalType.Integer;
// Determine default type
if(e.Value.GetType() == typeof(int)) type = (int)UniversalType.Integer;
else if(e.Value.GetType() == typeof(float)) type = (int)UniversalType.Float;
else if(e.Value.GetType() == typeof(bool)) type = (int)UniversalType.Boolean;
else if(e.Value.GetType() == typeof(string)) type = (int)UniversalType.String;
// Try to find the type from configuration
if(setknowncustomtypes)
type = General.Map.Options.GetUniversalFieldType(elementname, e.Key, type);
// Make custom field
element.Fields.Add(e.Key, new UniValue(type, e.Value));
}
}
}
// This validates and returns an entry
private T GetCollectionEntry<T>(UniversalCollection c, string entryname, bool required, T defaultvalue)
{
T result = default(T);
bool found = false;
// Find the entry
foreach(UniversalEntry e in c)
{
// Check if matches
if(e.Key == entryname)
{
// Let's be kind and cast any int to a float if needed
if((typeof(T) == typeof(float)) &&
(e.Value.GetType() == typeof(int)))
{
// Make it a float
result = (T)e.Value;
}
else
{
// Verify type
e.ValidateType(typeof(T));
// Found it!
result = (T)e.Value;
}
// Done
found = true;
}
}
// Not found?
if(!found)
{
// Entry is required?
if(required)
{
// Error, cannot find required entry!
throw new Exception("Error while reading UDMF map data: Missing required field '" + entryname + "'.");
}
else
{
// Make default entry
result = defaultvalue;
}
}
// Return result
return result;
}
// This makes a list of all collections with the given name
private List<UniversalCollection> GetNamedCollections(UniversalCollection collection, string entryname)
{
List<UniversalCollection> list = new List<UniversalCollection>();
// Make list
foreach(UniversalEntry e in collection)
if((e.Value is UniversalCollection) && (e.Key == entryname)) list.Add(e.Value as UniversalCollection);
return list;
}
#endregion
}
}