c35ab081ff
Multiple layers of Lazy<T>ness are replaced with an explicit two-part loading scheme. Sequences are parsed immediately, without the need for the sprite assets, and tell the SpriteCache which frames they need. Use-cases that want the actual sprites can then tell the SpriteCache to load the frames and the sequences to resolve the sprites.
88 lines
3.4 KiB
C#
88 lines
3.4 KiB
C#
#region Copyright & License Information
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/*
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* Copyright (c) The OpenRA Developers and Contributors
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* This file is part of OpenRA, which is free software. It is made
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* available to you under the terms of the GNU General Public License
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* as published by the Free Software Foundation, either version 3 of
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* the License, or (at your option) any later version. For more
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* information, see COPYING.
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*/
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#endregion
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using System.Collections.Generic;
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using System.Linq;
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using OpenRA.Graphics;
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namespace OpenRA.Mods.Common.Graphics
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{
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public class TilesetSpecificSpriteSequenceLoader : DefaultSpriteSequenceLoader
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{
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public TilesetSpecificSpriteSequenceLoader(ModData modData)
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: base(modData) { }
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public override ISpriteSequence CreateSequence(ModData modData, string tileSet, SpriteCache cache, string image, string sequence, MiniYaml data, MiniYaml defaults)
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{
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return new TilesetSpecificSpriteSequence(cache, this, image, sequence, data, defaults);
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}
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}
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[Desc("A sprite sequence that can have tileset-specific variants.")]
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public class TilesetSpecificSpriteSequence : DefaultSpriteSequence
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{
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[Desc("Dictionary of <tileset name>: filename to override the Filename key.")]
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static readonly SpriteSequenceField<Dictionary<string, string>> TilesetFilenames = new SpriteSequenceField<Dictionary<string, string>>(nameof(TilesetFilenames), null);
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public TilesetSpecificSpriteSequence(SpriteCache cache, ISpriteSequenceLoader loader, string image, string sequence, MiniYaml data, MiniYaml defaults)
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: base(cache, loader, image, sequence, data, defaults) { }
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protected override IEnumerable<ReservationInfo> ParseFilenames(ModData modData, string tileset, int[] frames, MiniYaml data, MiniYaml defaults)
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{
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var node = data.Nodes.FirstOrDefault(n => n.Key == TilesetFilenames.Key) ?? defaults.Nodes.FirstOrDefault(n => n.Key == TilesetFilenames.Key);
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if (node != null)
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{
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var tilesetNode = node.Value.Nodes.FirstOrDefault(n => n.Key == tileset);
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if (tilesetNode != null)
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{
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// Only request the subset of frames that we actually need
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int[] loadFrames = null;
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if (length != null)
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{
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loadFrames = CalculateFrameIndices(start, length.Value, stride ?? length.Value, facings, frames, transpose, reverseFacings);
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if (shadowStart >= 0)
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loadFrames = loadFrames.Concat(loadFrames.Select(i => i + shadowStart - start)).ToArray();
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}
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return new[] { new ReservationInfo(tilesetNode.Value.Value, loadFrames, frames, tilesetNode.Location) };
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}
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}
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return base.ParseFilenames(modData, tileset, frames, data, defaults);
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}
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protected override IEnumerable<ReservationInfo> ParseCombineFilenames(ModData modData, string tileset, int[] frames, MiniYaml data)
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{
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var node = data.Nodes.FirstOrDefault(n => n.Key == TilesetFilenames.Key);
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if (node != null)
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{
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var tilesetNode = node.Value.Nodes.FirstOrDefault(n => n.Key == tileset);
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if (tilesetNode != null)
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{
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if (frames == null)
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{
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if (LoadField<string>("Length", null, data) != "*")
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{
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var subStart = LoadField("Start", 0, data);
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var subLength = LoadField("Length", 1, data);
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frames = Exts.MakeArray(subLength, i => subStart + i);
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}
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}
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return new[] { new ReservationInfo(tilesetNode.Value.Value, frames, frames, tilesetNode.Location) };
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}
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}
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return base.ParseCombineFilenames(modData, tileset, frames, data);
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}
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}
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}
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