105 lines
3.2 KiB
C#
105 lines
3.2 KiB
C#
#region Copyright & License Information
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/*
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* Copyright 2007,2009,2010 Chris Forbes, Robert Pepperell, Matthew Bowra-Dean, Paul Chote, Alli Witheford.
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* This file is part of OpenRA.
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*
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* OpenRA is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* OpenRA is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with OpenRA. If not, see <http://www.gnu.org/licenses/>.
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*/
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#endregion
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Xml;
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using System.IO;
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using OpenRA.FileFormats;
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namespace OpenRA.Graphics
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{
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public static class SequenceProvider
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{
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static Dictionary<string, Dictionary<string, Sequence>> units;
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static Dictionary<string, CursorSequence> cursors;
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static string currentTheater;
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public static void Initialize(string[] sequenceFiles, string theater)
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{
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units = new Dictionary<string, Dictionary<string, Sequence>>();
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cursors = new Dictionary<string, CursorSequence>();
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currentTheater = theater;
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foreach (var f in sequenceFiles)
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LoadSequenceSource(f);
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}
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static void LoadSequenceSource(string filename)
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{
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XmlDocument document = new XmlDocument();
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document.Load(FileSystem.Open(filename));
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foreach (XmlElement eUnit in document.SelectNodes("/sequences/unit"))
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LoadSequencesForUnit(eUnit);
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foreach (XmlElement eCursor in document.SelectNodes("/sequences/cursor"))
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LoadSequencesForCursor(eCursor);
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}
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static void LoadSequencesForCursor(XmlElement eCursor)
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{
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string cursorSrc = eCursor.GetAttribute("src");
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foreach (XmlElement eSequence in eCursor.SelectNodes("./sequence"))
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cursors.Add(eSequence.GetAttribute("name"), new CursorSequence(cursorSrc, eSequence));
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}
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static void LoadSequencesForUnit(XmlElement eUnit)
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{
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string unitName = eUnit.GetAttribute("name");
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try {
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var sequences = eUnit.SelectNodes("./sequence").OfType<XmlElement>()
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.Select(e => new Sequence(unitName, e))
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.ToDictionary(s => s.Name);
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units.Add(unitName, sequences);
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} catch (FileNotFoundException) {} // Do nothing; we can crash later if we actually wanted art
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}
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public static Sequence GetSequence(string unitName, string sequenceName)
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{
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try { return units[unitName][sequenceName]; }
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catch (KeyNotFoundException)
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{
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throw new InvalidOperationException(
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"Unit `{0}` does not have a sequence `{1}`".F(unitName, sequenceName));
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}
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}
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public static bool HasSequence(string unit, string seq)
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{
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return units[unit].ContainsKey(seq);
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}
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public static CursorSequence GetCursorSequence(string cursor)
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{
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try { return cursors[cursor]; }
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catch (KeyNotFoundException)
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{
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throw new InvalidOperationException(
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"Cursor does not have a sequence `{0}`".F(cursor));
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}
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}
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}
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}
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