74 lines
2.9 KiB
C#
74 lines
2.9 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 OpenRA.FileSystem;
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using OpenRA.Graphics;
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using OpenRA.Mods.Common.SpriteLoaders;
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using OpenRA.Traits;
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namespace OpenRA.Mods.Common.Traits
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{
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[TraitLocation(SystemActors.World | SystemActors.EditorWorld)]
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public class PaletteFromEmbeddedSpritePaletteInfo : TraitInfo, IProvidesCursorPaletteInfo
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{
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[PaletteDefinition]
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[FieldLoader.Require]
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[Desc("Internal palette name")]
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public readonly string Name = null;
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[FieldLoader.Require]
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[Desc("Filename of sprite that contains the palette definition.")]
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public readonly string Filename = null;
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[Desc("Image frame associated with the palette definition, if relevant.")]
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public readonly int Frame = 0;
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[Desc("Allow palette modifiers to change the palette.")]
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public readonly bool AllowModifiers = true;
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[Desc("Whether this palette is available for cursors.")]
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public readonly bool CursorPalette = false;
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public override object Create(ActorInitializer init) { return new PaletteFromEmbeddedSpritePalette(this); }
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string IProvidesCursorPaletteInfo.Palette => CursorPalette ? Name : null;
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ImmutablePalette IProvidesCursorPaletteInfo.ReadPalette(IReadOnlyFileSystem fileSystem)
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{
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FrameLoader.GetFrames(fileSystem, Filename, Game.ModData.SpriteLoaders, out var metadata);
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var palettes = metadata?.GetOrDefault<EmbeddedSpritePalette>();
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if (palettes == null || !palettes.TryGetPaletteForFrame(Frame, out var embeddedPalette))
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throw new YamlException($"Cannot export palette from {Filename}: frame {Frame} does not define an embedded palette");
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return new ImmutablePalette(embeddedPalette);
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}
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}
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public class PaletteFromEmbeddedSpritePalette : ILoadsPalettes, IProvidesAssetBrowserPalettes
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{
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readonly PaletteFromEmbeddedSpritePaletteInfo info;
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public PaletteFromEmbeddedSpritePalette(PaletteFromEmbeddedSpritePaletteInfo info) { this.info = info; }
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public void LoadPalettes(WorldRenderer wr)
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{
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FrameLoader.GetFrames(wr.World.Map, info.Filename, Game.ModData.SpriteLoaders, out var metadata);
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var palettes = metadata?.GetOrDefault<EmbeddedSpritePalette>();
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if (palettes == null || !palettes.TryGetPaletteForFrame(info.Frame, out var embeddedPalette))
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throw new YamlException($"Cannot export palette from {info.Filename}: frame {info.Frame} does not define an embedded palette");
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wr.AddPalette(info.Name, new ImmutablePalette(embeddedPalette), info.AllowModifiers);
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}
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public IEnumerable<string> PaletteNames { get { yield return info.Name; } }
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}
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}
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