113 lines
3.5 KiB
C#
113 lines
3.5 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.Graphics;
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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.EditorWorld)]
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[Desc("Required for the map editor to work. Attach this to the world actor.")]
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public class EditorSelectionLayerInfo : TraitInfo
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{
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[PaletteReference]
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[Desc("Palette to use for rendering the placement sprite.")]
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public readonly string Palette = TileSet.TerrainPaletteInternalName;
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[Desc("Custom opacity to apply to the placement sprite.")]
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public readonly float FootprintAlpha = 1f;
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[Desc("Sequence image where the selection overlay types are defined.")]
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public readonly string Image = "editor-overlay";
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[SequenceReference(nameof(Image))]
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[Desc("Sequence to use for the copy overlay.")]
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public readonly string CopySequence = "copy";
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[SequenceReference(nameof(Image))]
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[Desc("Sequence to use for the paste overlay.")]
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public readonly string PasteSequence = "paste";
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public override object Create(ActorInitializer init) { return new EditorSelectionLayer(init.Self, this); }
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}
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public class EditorSelectionLayer : IWorldLoaded, IRenderAboveShroud
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{
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readonly EditorSelectionLayerInfo info;
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readonly Map map;
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readonly Sprite copyTile, pasteTile;
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readonly float copyAlpha, pasteAlpha;
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PaletteReference palette;
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public CellRegion CopyRegion { get; private set; }
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public CellRegion PasteRegion { get; private set; }
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public EditorSelectionLayer(Actor self, EditorSelectionLayerInfo info)
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{
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if (self.World.Type != WorldType.Editor)
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return;
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this.info = info;
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map = self.World.Map;
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var copySequence = map.Sequences.GetSequence(info.Image, info.CopySequence);
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copyTile = copySequence.GetSprite(0);
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copyAlpha = copySequence.GetAlpha(0);
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var pasteSequence = map.Sequences.GetSequence(info.Image, info.PasteSequence);
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pasteTile = pasteSequence.GetSprite(0);
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pasteAlpha = pasteSequence.GetAlpha(0);
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}
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void IWorldLoaded.WorldLoaded(World w, WorldRenderer wr)
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{
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if (w.Type != WorldType.Editor)
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return;
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palette = wr.Palette(info.Palette);
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}
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public void SetCopyRegion(CPos start, CPos end)
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{
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CopyRegion = CellRegion.BoundingRegion(map.Grid.Type, new[] { start, end });
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}
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public void SetPasteRegion(CPos start, CPos end)
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{
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PasteRegion = CellRegion.BoundingRegion(map.Grid.Type, new[] { start, end });
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}
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public void Clear()
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{
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CopyRegion = PasteRegion = null;
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}
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IEnumerable<IRenderable> IRenderAboveShroud.RenderAboveShroud(Actor self, WorldRenderer wr)
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{
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if (wr.World.Type != WorldType.Editor)
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yield break;
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if (CopyRegion != null)
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foreach (var c in CopyRegion)
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yield return new SpriteRenderable(copyTile, wr.World.Map.CenterOfCell(c),
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WVec.Zero, -511, palette, 1f, copyAlpha * info.FootprintAlpha, float3.Ones, TintModifiers.IgnoreWorldTint, true);
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if (PasteRegion != null)
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foreach (var c in PasteRegion)
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yield return new SpriteRenderable(pasteTile, wr.World.Map.CenterOfCell(c),
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WVec.Zero, -511, palette, 1f, pasteAlpha * info.FootprintAlpha, float3.Ones, TintModifiers.IgnoreWorldTint, true);
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}
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bool IRenderAboveShroud.SpatiallyPartitionable => false;
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}
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}
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