aa121dcb2f
Use the covariant return type feature of C# 9 to allow method overrides to be more specific about their return type. By exposing this information, e.g. for Widget.Clone(), callers will have more information. This allows various casts to be removed as the information is now available within the type system.
52 lines
2.0 KiB
C#
52 lines
2.0 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 OpenRA.Graphics;
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using OpenRA.Mods.Common.Graphics;
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namespace OpenRA.Mods.Cnc.Graphics
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{
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public class ClassicSpriteSequenceLoader : DefaultSpriteSequenceLoader
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{
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public ClassicSpriteSequenceLoader(ModData modData)
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: base(modData) { }
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public override ClassicSpriteSequence CreateSequence(
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ModData modData, string tileset, SpriteCache cache, string image, string sequence, MiniYaml data, MiniYaml defaults)
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{
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return new ClassicSpriteSequence(cache, this, image, sequence, data, defaults);
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}
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}
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[Desc("A sprite sequence that has the oddities that come with first-generation Westwood titles.")]
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public class ClassicSpriteSequence : DefaultSpriteSequence
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{
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[Desc("Incorporate a compensation factor for the rotational distortion present in the first-generation Westwood games.")]
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static readonly SpriteSequenceField<bool> UseClassicFacings = new(nameof(UseClassicFacings), false);
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readonly bool useClassicFacings;
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public ClassicSpriteSequence(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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{
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useClassicFacings = LoadField(UseClassicFacings, data, defaults);
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if (useClassicFacings && facings != 32)
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throw new InvalidOperationException($"Sequence {image}.{sequence}: UseClassicFacings is only valid for 32 facings");
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}
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protected override int GetFacingFrameOffset(WAngle facing)
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{
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return useClassicFacings ? Util.ClassicIndexFacing(facing, facings) : Common.Util.IndexFacing(facing, facings);
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}
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}
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}
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