Files
OpenRA/OpenRA.Game/Graphics/CursorProvider.cs
2022-05-28 00:35:10 -05:00

67 lines
2.1 KiB
C#

#region Copyright & License Information
/*
* Copyright 2007-2022 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;
using System.Collections.Generic;
using System.Linq;
using OpenRA.Traits;
namespace OpenRA.Graphics
{
public sealed class CursorProvider
{
public readonly IReadOnlyDictionary<string, CursorSequence> Cursors;
public readonly IReadOnlyDictionary<string, ImmutablePalette> Palettes;
public CursorProvider(ModData modData)
{
var fileSystem = modData.DefaultFileSystem;
var sequenceYaml = MiniYaml.Merge(modData.Manifest.Cursors.Select(
s => MiniYaml.FromStream(fileSystem.Open(s), s)));
var nodesDict = new MiniYaml(null, sequenceYaml).ToDictionary();
// Overwrite previous definitions if there are duplicates
var pals = new Dictionary<string, IProvidesCursorPaletteInfo>();
foreach (var p in modData.DefaultRules.Actors[SystemActors.World].TraitInfos<IProvidesCursorPaletteInfo>())
if (p.Palette != null)
pals[p.Palette] = p;
Palettes = nodesDict["Cursors"].Nodes.Select(n => n.Value.Value)
.Where(p => p != null)
.Distinct()
.ToDictionary(p => p, p => pals[p].ReadPalette(modData.DefaultFileSystem));
var frameCache = new FrameCache(fileSystem, modData.SpriteLoaders);
var cursors = new Dictionary<string, CursorSequence>();
foreach (var s in nodesDict["Cursors"].Nodes)
foreach (var sequence in s.Value.Nodes)
cursors.Add(sequence.Key, new CursorSequence(frameCache, sequence.Key, s.Key, s.Value.Value, sequence.Value));
Cursors = cursors;
}
public bool HasCursorSequence(string cursor)
{
return Cursors.ContainsKey(cursor);
}
public CursorSequence GetCursorSequence(string cursor)
{
try { return Cursors[cursor]; }
catch (KeyNotFoundException)
{
throw new InvalidOperationException($"Cursor does not have a sequence `{cursor}`");
}
}
}
}