71 lines
2.3 KiB
C#
71 lines
2.3 KiB
C#
#region Copyright & License Information
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/*
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* Copyright 2007-2020 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, 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 System.Linq;
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using OpenRA.Primitives;
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namespace OpenRA.Graphics
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{
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public struct TargetLineRenderable : IRenderable, IFinalizedRenderable
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{
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readonly IEnumerable<WPos> waypoints;
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readonly Color color;
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readonly int width;
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readonly int markerSize;
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public TargetLineRenderable(IEnumerable<WPos> waypoints, Color color, int width = 1, int markerSize = 1)
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{
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this.waypoints = waypoints;
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this.color = color;
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this.width = width;
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this.markerSize = markerSize;
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}
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public WPos Pos { get { return waypoints.First(); } }
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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 WithZOffset(int newOffset) { return new TargetLineRenderable(waypoints, color); }
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public IRenderable OffsetBy(WVec vec) { return new TargetLineRenderable(waypoints.Select(w => w + vec), 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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if (!waypoints.Any())
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return;
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var first = wr.Viewport.WorldToViewPx(wr.Screen3DPosition(waypoints.First()));
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var a = first;
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foreach (var b in waypoints.Skip(1).Select(pos => wr.Viewport.WorldToViewPx(wr.Screen3DPosition(pos))))
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{
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Game.Renderer.RgbaColorRenderer.DrawLine(a, b, width, color);
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DrawTargetMarker(wr, color, b, markerSize);
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a = b;
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}
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DrawTargetMarker(wr, color, first);
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}
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public static void DrawTargetMarker(WorldRenderer wr, Color color, int2 screenPos, int size = 1)
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{
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var offset = new int2(size, size);
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var tl = screenPos - offset;
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var br = screenPos + offset;
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Game.Renderer.RgbaColorRenderer.FillRect(tl, br, 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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