97 lines
3.3 KiB
C#
97 lines
3.3 KiB
C#
#region Copyright & License Information
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/*
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* Copyright 2007-2021 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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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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[Desc("Custom opacity to apply to the actor preview.")]
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public readonly float PreviewAlpha = 1f;
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[Desc("Footprint types to draw underneath the actor preview.")]
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public readonly PlaceBuildingCellType FootprintUnderPreview = PlaceBuildingCellType.Valid | PlaceBuildingCellType.LineBuild;
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[Desc("Footprint types to draw above the actor preview.")]
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public readonly PlaceBuildingCellType FootprintOverPreview = 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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public class ActorPreviewPlaceBuildingPreviewPreview : FootprintPlaceBuildingPreviewPreview
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{
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readonly ActorPreviewPlaceBuildingPreviewInfo info;
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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)
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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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}
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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 (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.RenderableZPositionComparisonKey))
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{
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if (info.PreviewAlpha < 1f && r is IModifyableRenderable mr)
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yield return mr.WithAlpha(mr.Alpha * info.PreviewAlpha);
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else
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yield return r;
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}
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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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