b58c1ea5bc
- Rename the filename parameter to name and make it mandatory. Review all callers and ensure a useful string is provided as input, to ensure sufficient context is included for logging and debugging. This can be a filename, url, or any arbitrary text so include whatever context seems reasonable. - When several MiniYamls are created that have similar content, provide a shared string pool. This allows strings that are common between all the yaml to be shared, reducing long term memory usage. We also change the pool from a dictionary to a set. Originally a Dictionary had to be used so we could call TryGetValue to get a reference to the pooled string. Now that more recent versions of dotnet provide a TryGetValue on HashSet, we can use a set directly without the memory wasted by having to store both keys and values in a dictionary.
68 lines
2.2 KiB
C#
68 lines
2.2 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;
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using System.Collections.Generic;
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using System.Linq;
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using OpenRA.Traits;
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namespace OpenRA.Graphics
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{
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public sealed class CursorProvider
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{
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public readonly IReadOnlyDictionary<string, CursorSequence> Cursors;
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public readonly IReadOnlyDictionary<string, ImmutablePalette> Palettes;
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public CursorProvider(ModData modData)
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{
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var fileSystem = modData.DefaultFileSystem;
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var stringPool = new HashSet<string>(); // Reuse common strings in YAML
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var sequenceYaml = MiniYaml.Merge(modData.Manifest.Cursors.Select(
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s => MiniYaml.FromStream(fileSystem.Open(s), s, stringPool: stringPool)));
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var cursorsYaml = new MiniYaml(null, sequenceYaml).NodeWithKey("Cursors").Value;
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// Overwrite previous definitions if there are duplicates
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var pals = new Dictionary<string, IProvidesCursorPaletteInfo>();
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foreach (var p in modData.DefaultRules.Actors[SystemActors.World].TraitInfos<IProvidesCursorPaletteInfo>())
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if (p.Palette != null)
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pals[p.Palette] = p;
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Palettes = cursorsYaml.Nodes.Select(n => n.Value.Value)
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.Where(p => p != null)
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.Distinct()
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.ToDictionary(p => p, p => pals[p].ReadPalette(modData.DefaultFileSystem));
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var frameCache = new FrameCache(fileSystem, modData.SpriteLoaders);
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var cursors = new Dictionary<string, CursorSequence>();
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foreach (var s in cursorsYaml.Nodes)
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foreach (var sequence in s.Value.Nodes)
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cursors.Add(sequence.Key, new CursorSequence(frameCache, sequence.Key, s.Key, s.Value.Value, sequence.Value));
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Cursors = cursors;
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}
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public bool HasCursorSequence(string cursor)
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{
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return Cursors.ContainsKey(cursor);
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}
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public 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($"Cursor does not have a sequence `{cursor}`");
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}
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}
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}
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}
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