132 lines
3.6 KiB
C#
132 lines
3.6 KiB
C#
#region Copyright & License Information
|
|
/*
|
|
* Copyright 2007-2017 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, either version 3 of
|
|
* the License, or (at your option) any later version. For more
|
|
* information, see COPYING.
|
|
*/
|
|
#endregion
|
|
|
|
using System.Collections.Generic;
|
|
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
|
|
{
|
|
/// <summary>
|
|
/// Size of the frame's `Data`.
|
|
/// </summary>
|
|
Size Size { get; }
|
|
|
|
/// <summary>
|
|
/// Size of the entire frame including the frame's `Size`.
|
|
/// Think of this like a picture frame.
|
|
/// </summary>
|
|
Size FrameSize { get; }
|
|
|
|
float2 Offset { get; }
|
|
byte[] Data { get; }
|
|
bool DisableExportPadding { get; }
|
|
}
|
|
|
|
public class SpriteCache
|
|
{
|
|
public readonly SheetBuilder SheetBuilder;
|
|
readonly ISpriteLoader[] loaders;
|
|
readonly IReadOnlyFileSystem fileSystem;
|
|
|
|
readonly Dictionary<string, List<Sprite[]>> sprites = new Dictionary<string, List<Sprite[]>>();
|
|
|
|
public SpriteCache(IReadOnlyFileSystem fileSystem, ISpriteLoader[] loaders, SheetBuilder sheetBuilder)
|
|
{
|
|
SheetBuilder = sheetBuilder;
|
|
this.fileSystem = fileSystem;
|
|
this.loaders = loaders;
|
|
}
|
|
|
|
Sprite[] LoadSprite(string filename, List<Sprite[]> cache)
|
|
{
|
|
var sprite = SpriteLoader.GetSprites(fileSystem, filename, loaders, SheetBuilder);
|
|
cache.Add(sprite);
|
|
return sprite;
|
|
}
|
|
|
|
/// <summary>Returns the first set of sprites with the given filename.</summary>
|
|
public Sprite[] this[string filename]
|
|
{
|
|
get
|
|
{
|
|
var allSprites = sprites.GetOrAdd(filename);
|
|
var sprite = allSprites.FirstOrDefault();
|
|
return sprite ?? LoadSprite(filename, allSprites);
|
|
}
|
|
}
|
|
|
|
/// <summary>Returns all instances of sets of sprites with the given filename</summary>
|
|
public IEnumerable<Sprite[]> AllCached(string filename)
|
|
{
|
|
return sprites.GetOrAdd(filename);
|
|
}
|
|
|
|
/// <summary>Loads and caches a new instance of sprites with the given filename</summary>
|
|
public Sprite[] Reload(string filename)
|
|
{
|
|
return LoadSprite(filename, sprites.GetOrAdd(filename));
|
|
}
|
|
}
|
|
|
|
public class FrameCache
|
|
{
|
|
readonly Cache<string, ISpriteFrame[]> frames;
|
|
|
|
public FrameCache(IReadOnlyFileSystem fileSystem, ISpriteLoader[] loaders)
|
|
{
|
|
frames = new Cache<string, ISpriteFrame[]>(filename => SpriteLoader.GetFrames(fileSystem, filename, loaders));
|
|
}
|
|
|
|
public ISpriteFrame[] this[string filename] { get { return frames[filename]; } }
|
|
}
|
|
|
|
public static class SpriteLoader
|
|
{
|
|
public static Sprite[] GetSprites(IReadOnlyFileSystem fileSystem, string filename, ISpriteLoader[] loaders, SheetBuilder sheetBuilder)
|
|
{
|
|
return GetFrames(fileSystem, filename, loaders).Select(a => sheetBuilder.Add(a)).ToArray();
|
|
}
|
|
|
|
public static ISpriteFrame[] GetFrames(IReadOnlyFileSystem fileSystem, string filename, ISpriteLoader[] loaders)
|
|
{
|
|
using (var stream = fileSystem.Open(filename))
|
|
{
|
|
var spriteFrames = GetFrames(stream, loaders);
|
|
if (spriteFrames == null)
|
|
throw new InvalidDataException(filename + " is not a valid sprite file!");
|
|
|
|
return spriteFrames;
|
|
}
|
|
}
|
|
|
|
public static ISpriteFrame[] GetFrames(Stream stream, ISpriteLoader[] loaders)
|
|
{
|
|
ISpriteFrame[] frames;
|
|
foreach (var loader in loaders)
|
|
if (loader.TryParseSprite(stream, out frames))
|
|
return frames;
|
|
|
|
return null;
|
|
}
|
|
}
|
|
}
|