90 lines
3.4 KiB
C#
90 lines
3.4 KiB
C#
#region Copyright & License Information
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/*
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* Copyright 2007-2020 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.Orders;
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using OpenRA.Mods.Common.Traits;
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using OpenRA.Mods.Common.Widgets;
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using OpenRA.Primitives;
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namespace OpenRA.Mods.D2k.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 D2kActorPreviewPlaceBuildingPreviewInfo : ActorPreviewPlaceBuildingPreviewInfo
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{
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[Desc("Terrain types that should show the 'unsafe' footprint tile.")]
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public readonly HashSet<string> UnsafeTerrainTypes = new HashSet<string> { "Rock" };
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protected override IPlaceBuildingPreview CreatePreview(WorldRenderer wr, ActorInfo ai, TypeDictionary init)
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{
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return new D2kActorPreviewPlaceBuildingPreviewPreview(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 D2kActorPreviewPlaceBuildingPreview();
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}
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}
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public class D2kActorPreviewPlaceBuildingPreview { }
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class D2kActorPreviewPlaceBuildingPreviewPreview : ActorPreviewPlaceBuildingPreviewPreview
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{
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readonly D2kActorPreviewPlaceBuildingPreviewInfo info;
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readonly Sprite buildOk;
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readonly Sprite buildUnsafe;
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readonly Sprite buildBlocked;
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readonly CachedTransform<CPos, List<CPos>> unpathableCells;
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public D2kActorPreviewPlaceBuildingPreviewPreview(WorldRenderer wr, ActorInfo ai, D2kActorPreviewPlaceBuildingPreviewInfo 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 world = wr.World;
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var sequences = world.Map.Rules.Sequences;
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buildOk = sequences.GetSequence("overlay", "build-valid").GetSprite(0);
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buildUnsafe = sequences.GetSequence("overlay", "build-unsafe").GetSprite(0);
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buildBlocked = sequences.GetSequence("overlay", "build-invalid").GetSprite(0);
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var buildingInfo = ai.TraitInfo<BuildingInfo>();
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unpathableCells = new CachedTransform<CPos, List<CPos>>(topLeft => buildingInfo.OccupiedTiles(topLeft).ToList());
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}
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protected override IEnumerable<IRenderable> RenderFootprint(WorldRenderer wr, CPos topLeft, Dictionary<CPos, PlaceBuildingCellType> footprint,
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PlaceBuildingCellType filter = PlaceBuildingCellType.Invalid | PlaceBuildingCellType.Valid | PlaceBuildingCellType.LineBuild)
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{
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var cellPalette = wr.Palette(info.Palette);
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var linePalette = wr.Palette(info.LineBuildSegmentPalette);
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var topLeftPos = wr.World.Map.CenterOfCell(topLeft);
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var candidateSafeTiles = unpathableCells.Update(topLeft);
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foreach (var c in footprint)
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{
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if ((c.Value & filter) == 0)
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continue;
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var tile = HasFlag(c.Value, PlaceBuildingCellType.Invalid) ? buildBlocked :
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candidateSafeTiles.Contains(c.Key) && info.UnsafeTerrainTypes.Contains(wr.World.Map.GetTerrainInfo(c.Key).Type)
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? buildUnsafe : buildOk;
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var pal = HasFlag(c.Value, PlaceBuildingCellType.LineBuild) ? linePalette : cellPalette;
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var pos = wr.World.Map.CenterOfCell(c.Key);
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var offset = new WVec(0, 0, topLeftPos.Z - pos.Z);
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yield return new SpriteRenderable(tile, pos, offset, -511, pal, 1f, true);
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}
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}
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}
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}
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