Files
OpenRA/OpenRa.Game/Graphics/SequenceProvider.cs
2010-02-05 20:38:58 +13:00

82 lines
2.3 KiB
C#

using System.Collections.Generic;
using System.Linq;
using System.Xml;
using OpenRa.FileFormats;
using System;
namespace OpenRa.Graphics
{
static class SequenceProvider
{
static Dictionary<string, Dictionary<string, Sequence>> units;
static Dictionary<string, CursorSequence> cursors;
public static void Initialize(params string[] sequenceFiles)
{
units = new Dictionary<string, Dictionary<string, Sequence>>();
cursors = new Dictionary<string, CursorSequence>();
foreach (var f in sequenceFiles)
LoadSequenceSource(f);
}
static void LoadSequenceSource(string filename)
{
XmlDocument document = new XmlDocument();
document.Load(FileSystem.Open(filename));
foreach (XmlElement eUnit in document.SelectNodes("/sequences/unit"))
LoadSequencesForUnit(eUnit);
foreach (XmlElement eCursor in document.SelectNodes("/sequences/cursor"))
LoadSequencesForCursor(eCursor);
}
static void LoadSequencesForCursor(XmlElement eCursor)
{
string cursorSrc = eCursor.GetAttribute("src");
foreach (XmlElement eSequence in eCursor.SelectNodes("./sequence"))
cursors.Add(eSequence.GetAttribute("name"), new CursorSequence(cursorSrc, eSequence));
Log.Write("* LoadSequencesForCursor() done");
}
static void LoadSequencesForUnit(XmlElement eUnit)
{
string unitName = eUnit.GetAttribute("name");
Log.Write("Loading sequence {0}", unitName);
var sequences = eUnit.SelectNodes("./sequence").OfType<XmlElement>()
.Select(e => new Sequence(unitName, e))
.ToDictionary(s => s.Name);
units.Add(unitName, sequences);
}
public static Sequence GetSequence(string unitName, string sequenceName)
{
try { return units[unitName][sequenceName]; }
catch (KeyNotFoundException)
{
throw new InvalidOperationException(
"Unit `{0}` does not have a sequence `{1}`".F(unitName, sequenceName));
}
}
public static bool HasSequence(string unit, string seq)
{
return units[unit].ContainsKey(seq);
}
public static CursorSequence GetCursorSequence(string cursor)
{
try { return cursors[cursor]; }
catch (KeyNotFoundException)
{
throw new InvalidOperationException(
"Cursor does not have a sequence `{0}`".F(cursor));
}
}
}
}