66 lines
1.9 KiB
C#
66 lines
1.9 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 System.Collections.Generic;
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using System.Drawing;
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using System.Linq;
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using OpenRA.Graphics;
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using OpenRA.Traits;
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namespace OpenRA.Mods.Common.Traits
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{
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[Desc("Renders a debug overlay showing the terrain cells. Attach this to the world actor.")]
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public class TerrainGeometryOverlayInfo : ITraitInfo
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{
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public object Create(ActorInitializer init) { return new TerrainGeometryOverlay(init.Self); }
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}
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public class TerrainGeometryOverlay : IRenderOverlay
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{
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readonly Lazy<DeveloperMode> devMode;
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public TerrainGeometryOverlay(Actor self)
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{
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devMode = Exts.Lazy(() => self.World.LocalPlayer != null ? self.World.LocalPlayer.PlayerActor.Trait<DeveloperMode>() : null);
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}
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public void Render(WorldRenderer wr)
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{
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if (devMode.Value == null || !devMode.Value.ShowTerrainGeometry)
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return;
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var map = wr.World.Map;
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var tileSet = wr.World.TileSet;
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var lr = Game.Renderer.WorldLineRenderer;
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var colors = wr.World.TileSet.HeightDebugColors;
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foreach (var uv in wr.Viewport.VisibleCells.MapCoords)
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{
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var height = (int)map.MapHeight.Value[uv];
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var tile = map.MapTiles.Value[uv];
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var ti = tileSet.GetTileInfo(tile);
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var ramp = ti != null ? ti.RampType : 0;
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var corners = map.CellCorners[ramp];
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var color = corners.Select(c => colors[height + c.Z / 512]).ToArray();
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var pos = map.CenterOfCell(uv.ToCPos(map));
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var screen = corners.Select(c => wr.ScreenPxPosition(pos + c).ToFloat2()).ToArray();
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for (var i = 0; i < 4; i++)
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{
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var j = (i + 1) % 4;
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lr.DrawLine(screen[i], screen[j], color[i], color[j]);
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}
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}
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}
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}
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}
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