45 lines
1.2 KiB
C#
45 lines
1.2 KiB
C#
#region Copyright & License Information
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/*
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* Copyright 2007-2011 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.Collections.Generic;
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using System.Drawing;
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using OpenRA.Graphics;
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namespace OpenRA
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{
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public class UiOverlay
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{
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Sprite buildOk, buildBlocked;
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public UiOverlay()
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{
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buildOk = SynthesizeTile(0x0f);
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buildBlocked = SynthesizeTile(0x08);
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}
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public static Sprite SynthesizeTile(byte paletteIndex)
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{
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byte[] data = new byte[Game.CellSize * Game.CellSize];
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for (int i = 0; i < Game.CellSize; i++)
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for (int j = 0; j < Game.CellSize; j++)
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data[i * Game.CellSize + j] = ((i+j) % 4 != 0) ? (byte)0 : paletteIndex;
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return Game.modData.SheetBuilder.Add(data, new Size(Game.CellSize, Game.CellSize));
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}
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public void DrawGrid( WorldRenderer wr, Dictionary<int2, bool> cells )
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{
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foreach( var c in cells )
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( c.Value ? buildOk : buildBlocked ).DrawAt( wr, Game.CellSize * c.Key, "terrain" );
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}
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}
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}
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