110 lines
3.8 KiB
C#
110 lines
3.8 KiB
C#
#region Copyright & License Information
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/*
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* Copyright 2007-2019 The OpenRA Developers (see AUTHORS)
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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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using OpenRA.Mods.Common.Graphics;
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using OpenRA.Mods.Common.Orders;
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using OpenRA.Primitives;
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using OpenRA.Traits;
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namespace OpenRA.Mods.Common.Traits
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{
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[Desc("Creates a building placement preview based on the map editor actor preview.")]
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public class ActorPreviewPlaceBuildingPreviewInfo : FootprintPlaceBuildingPreviewInfo
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{
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[Desc("Enable the building's idle animation.")]
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public readonly bool Animated = true;
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[PaletteReference("OverridePaletteIsPlayerPalette")]
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[Desc("Custom palette name.")]
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public readonly string OverridePalette = null;
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[Desc("Custom palette is a player palette BaseName.")]
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public readonly bool OverridePaletteIsPlayerPalette = true;
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[Desc("Footprint types to draw underneath the actor preview.")]
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public readonly PlaceBuildingCellType FootprintUnderPreview = PlaceBuildingCellType.None;
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[Desc("Footprint types to draw above the actor preview.")]
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public readonly PlaceBuildingCellType FootprintOverPreview = PlaceBuildingCellType.Valid | PlaceBuildingCellType.LineBuild | PlaceBuildingCellType.Invalid;
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protected override IPlaceBuildingPreview CreatePreview(WorldRenderer wr, ActorInfo ai, TypeDictionary init)
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{
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return new ActorPreviewPlaceBuildingPreviewPreview(wr, ai, this, init);
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}
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public override object Create(ActorInitializer init)
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{
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return new ActorPreviewPlaceBuildingPreview();
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}
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}
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public class ActorPreviewPlaceBuildingPreview { }
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class ActorPreviewPlaceBuildingPreviewPreview : FootprintPlaceBuildingPreviewPreview
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{
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readonly ActorPreviewPlaceBuildingPreviewInfo info;
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readonly PaletteReference palette;
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readonly IActorPreview[] preview;
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public ActorPreviewPlaceBuildingPreviewPreview(WorldRenderer wr, ActorInfo ai, ActorPreviewPlaceBuildingPreviewInfo info, TypeDictionary init)
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: base(wr, ai, info, init)
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{
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this.info = info;
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var previewInit = new ActorPreviewInitializer(actorInfo, wr, init);
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preview = actorInfo.TraitInfos<IRenderActorPreviewInfo>()
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.SelectMany(rpi => rpi.RenderPreview(previewInit))
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.ToArray();
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if (!string.IsNullOrEmpty(info.OverridePalette))
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{
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var owner = init.Get<OwnerInit>().Value(wr.World);
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palette = wr.Palette(info.OverridePaletteIsPlayerPalette ? info.OverridePalette + owner.InternalName : info.OverridePalette);
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}
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}
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protected override void TickInner()
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{
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if (!info.Animated)
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return;
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foreach (var p in preview)
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p.Tick();
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}
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protected override IEnumerable<IRenderable> RenderInner(WorldRenderer wr, CPos topLeft, Dictionary<CPos, PlaceBuildingCellType> footprint)
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{
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var centerPosition = wr.World.Map.CenterOfCell(topLeft) + centerOffset;
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var previewRenderables = preview
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.SelectMany(p => p.Render(wr, centerPosition));
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if (palette != null)
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previewRenderables = previewRenderables.Select(a => a.IsDecoration ? a : a.WithPalette(palette));
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foreach (var r in RenderDecorations(wr, topLeft))
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yield return r;
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if (info.FootprintUnderPreview != PlaceBuildingCellType.None)
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foreach (var r in RenderFootprint(wr, topLeft, footprint, info.FootprintUnderPreview))
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yield return r;
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foreach (var r in previewRenderables.OrderBy(WorldRenderer.RenderableScreenZPositionComparisonKey))
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yield return r;
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if (info.FootprintOverPreview != PlaceBuildingCellType.None)
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foreach (var r in RenderFootprint(wr, topLeft, footprint, info.FootprintOverPreview))
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yield return r;
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}
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}
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}
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