73 lines
2.4 KiB
C#
73 lines
2.4 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.Drawing;
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using OpenRA.Graphics;
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using OpenRA.Traits;
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namespace OpenRA.Mods.Common.Graphics
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{
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public struct SelectionBoxRenderable : IRenderable, IFinalizedRenderable
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{
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readonly WPos pos;
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readonly float scale;
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readonly Rectangle visualBounds;
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readonly Color color;
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public SelectionBoxRenderable(Actor actor, Color color)
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: this(actor.CenterPosition, actor.VisualBounds, 1f, color) { }
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public SelectionBoxRenderable(WPos pos, Rectangle visualBounds, float scale, Color color)
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{
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this.pos = pos;
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this.visualBounds = visualBounds;
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this.scale = scale;
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this.color = color;
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}
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public WPos Pos { get { return pos; } }
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public PaletteReference Palette { get { return null; } }
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public int ZOffset { get { return 0; } }
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public bool IsDecoration { get { return true; } }
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public IRenderable WithPalette(PaletteReference newPalette) { return this; }
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public IRenderable WithZOffset(int newOffset) { return this; }
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public IRenderable OffsetBy(WVec vec) { return new SelectionBoxRenderable(pos + vec, visualBounds, scale, color); }
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public IRenderable AsDecoration() { return this; }
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public IFinalizedRenderable PrepareRender(WorldRenderer wr) { return this; }
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public void Render(WorldRenderer wr)
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{
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var screenPos = wr.ScreenPxPosition(pos);
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var tl = screenPos + scale * new float2(visualBounds.Left, visualBounds.Top);
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var br = screenPos + scale * new float2(visualBounds.Right, visualBounds.Bottom);
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var tr = new float2(br.X, tl.Y);
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var bl = new float2(tl.X, br.Y);
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var u = new float2(4f / wr.Viewport.Zoom, 0);
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var v = new float2(0, 4f / wr.Viewport.Zoom);
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var wlr = Game.Renderer.WorldLineRenderer;
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wlr.DrawLine(tl + u, tl, color);
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wlr.DrawLine(tl, tl + v, color);
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wlr.DrawLine(tr, tr - u, color);
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wlr.DrawLine(tr, tr + v, color);
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wlr.DrawLine(bl, bl + u, color);
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wlr.DrawLine(bl, bl - v, color);
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wlr.DrawLine(br, br - u, color);
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wlr.DrawLine(br, br - v, color);
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}
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public void RenderDebugGeometry(WorldRenderer wr) { }
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public Rectangle ScreenBounds(WorldRenderer wr) { return Rectangle.Empty; }
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}
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}
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