75 lines
1.9 KiB
C#
75 lines
1.9 KiB
C#
#region Copyright & License Information
|
|
/*
|
|
* Copyright 2007-2014 The OpenRA Developers (see AUTHORS)
|
|
* This file is part of OpenRA, which is free software. It is made
|
|
* available to you under the terms of the GNU General Public License
|
|
* as published by the Free Software Foundation. For more information,
|
|
* see COPYING.
|
|
*/
|
|
#endregion
|
|
|
|
using System.Drawing;
|
|
using System.IO;
|
|
using System.Linq;
|
|
using OpenRA.FileSystem;
|
|
using OpenRA.Primitives;
|
|
|
|
namespace OpenRA.Graphics
|
|
{
|
|
public interface ISpriteLoader
|
|
{
|
|
bool TryParseSprite(Stream s, out ISpriteFrame[] frames);
|
|
}
|
|
|
|
public interface ISpriteFrame
|
|
{
|
|
Size Size { get; }
|
|
Size FrameSize { get; }
|
|
float2 Offset { get; }
|
|
byte[] Data { get; }
|
|
bool DisableExportPadding { get; }
|
|
}
|
|
|
|
public class SpriteLoader
|
|
{
|
|
public readonly SheetBuilder SheetBuilder;
|
|
readonly ISpriteLoader[] loaders;
|
|
readonly Cache<string, Sprite[]> sprites;
|
|
readonly Cache<string, ISpriteFrame[]> frames;
|
|
readonly string[] exts;
|
|
|
|
public SpriteLoader(ISpriteLoader[] loaders, string[] exts, SheetBuilder sheetBuilder)
|
|
{
|
|
this.loaders = loaders;
|
|
SheetBuilder = sheetBuilder;
|
|
|
|
// Include extension-less version
|
|
this.exts = exts.Append("").ToArray();
|
|
sprites = new Cache<string, Sprite[]>(CacheSprites);
|
|
frames = new Cache<string, ISpriteFrame[]>(CacheFrames);
|
|
}
|
|
|
|
Sprite[] CacheSprites(string filename)
|
|
{
|
|
return frames[filename].Select(a => SheetBuilder.Add(a))
|
|
.ToArray();
|
|
}
|
|
|
|
ISpriteFrame[] CacheFrames(string filename)
|
|
{
|
|
using (var stream = GlobalFileSystem.OpenWithExts(filename, exts))
|
|
{
|
|
ISpriteFrame[] frames;
|
|
foreach (var loader in loaders)
|
|
if (loader.TryParseSprite(stream, out frames))
|
|
return frames;
|
|
|
|
throw new InvalidDataException(filename + " is not a valid sprite file");
|
|
}
|
|
}
|
|
|
|
public Sprite[] LoadAllSprites(string filename) { return sprites[filename]; }
|
|
public ISpriteFrame[] LoadAllFrames(string filename) { return frames[filename]; }
|
|
}
|
|
}
|