9f728b287b
Several classes would attach event handlers to the Map which would live longer then they did. Detaching them when no longer needed allows the GC to reclaim them.
59 lines
1.5 KiB
C#
59 lines
1.5 KiB
C#
#region Copyright & License Information
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/*
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* Copyright 2007-2015 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. For more information,
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* see COPYING.
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*/
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#endregion
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using System;
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using OpenRA.Traits;
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namespace OpenRA.Graphics
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{
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sealed class TerrainRenderer : IDisposable
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{
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readonly TerrainSpriteLayer terrain;
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readonly Theater theater;
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readonly CellLayer<TerrainTile> mapTiles;
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readonly CellLayer<byte> mapHeight;
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public TerrainRenderer(World world, WorldRenderer wr)
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{
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theater = wr.Theater;
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mapTiles = world.Map.MapTiles.Value;
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mapHeight = world.Map.MapHeight.Value;
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terrain = new TerrainSpriteLayer(world, wr, theater.Sheet, BlendMode.Alpha,
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wr.Palette("terrain"), wr.World.Type != WorldType.Editor);
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foreach (var cell in world.Map.AllCells)
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UpdateCell(cell);
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mapTiles.CellEntryChanged += UpdateCell;
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mapHeight.CellEntryChanged += UpdateCell;
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}
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public void UpdateCell(CPos cell)
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{
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terrain.Update(cell, theater.TileSprite(mapTiles[cell]));
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}
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public void Draw(WorldRenderer wr, Viewport viewport)
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{
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terrain.Draw(viewport);
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foreach (var r in wr.World.WorldActor.TraitsImplementing<IRenderOverlay>())
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r.Render(wr);
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}
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public void Dispose()
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{
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mapTiles.CellEntryChanged -= UpdateCell;
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mapHeight.CellEntryChanged -= UpdateCell;
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terrain.Dispose();
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}
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}
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}
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