62 lines
1.3 KiB
C#
62 lines
1.3 KiB
C#
using System.Drawing;
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using OpenRa.Game.Graphics;
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using System;
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using OpenRa.Game.GameRules;
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namespace OpenRa.Game
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{
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class UiOverlay
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{
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SpriteRenderer spriteRenderer;
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Sprite buildOk;
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Sprite buildBlocked;
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public UiOverlay(SpriteRenderer spriteRenderer)
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{
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this.spriteRenderer = spriteRenderer;
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buildOk = SynthesizeTile(0x80);
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buildBlocked = SynthesizeTile(0xe6);
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}
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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 < 2) ? (byte)0 : paletteIndex;
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return SheetBuilder.Add( data, new Size(Game.CellSize,Game.CellSize) );
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}
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public void Draw()
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{
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if (!hasOverlay)
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return;
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foreach( var t in Footprint.Tiles( Rules.UnitInfo[ name ], position ) )
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spriteRenderer.DrawSprite( Game.IsCellBuildable( t, UnitMovementType.Wheel )
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? buildOk : buildBlocked, Game.CellSize * t, 0 );
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spriteRenderer.Flush();
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}
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bool hasOverlay;
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int2 position;
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string name;
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public void KillOverlay()
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{
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hasOverlay = false;
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}
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public void SetCurrentOverlay(int2 cell, string name)
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{
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hasOverlay = true;
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position = cell;
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this.name = name;
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}
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}
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}
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