128 lines
4.0 KiB
C#
128 lines
4.0 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 int[][] vertices = new int[][]
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{
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// Flat
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new[] { 0, 0, 0, 0 },
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// Slopes (two corners high)
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new[] { 0, 0, 1, 1 },
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new[] { 1, 0, 0, 1 },
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new[] { 1, 1, 0, 0 },
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new[] { 0, 1, 1, 0 },
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// Slopes (one corner high)
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new[] { 0, 0, 0, 1 },
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new[] { 1, 0, 0, 0 },
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new[] { 0, 1, 0, 0 },
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new[] { 0, 0, 1, 0 },
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// Slopes (three corners high)
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new[] { 1, 0, 1, 1 },
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new[] { 1, 1, 0, 1 },
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new[] { 1, 1, 1, 0 },
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new[] { 0, 1, 1, 1 },
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// Slopes (two corners high, one corner double high)
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new[] { 1, 0, 1, 2 },
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new[] { 2, 1, 0, 1 },
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new[] { 1, 2, 1, 0 },
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new[] { 0, 1, 2, 1 },
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// Slopes (two corners high, alternating)
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new[] { 1, 0, 1, 0 },
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new[] { 0, 1, 0, 1 },
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new[] { 1, 0, 1, 0 },
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new[] { 0, 1, 0, 1 }
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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 ts = wr.World.Map.TileShape;
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var colors = wr.World.TileSet.HeightDebugColors;
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var leftDelta = ts == TileShape.Diamond ? new WVec(-512, 0, 0) : new WVec(-512, -512, 0);
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var topDelta = ts == TileShape.Diamond ? new WVec(0, -512, 0) : new WVec(512, -512, 0);
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var rightDelta = ts == TileShape.Diamond ? new WVec(512, 0, 0) : new WVec(512, 512, 0);
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var bottomDelta = ts == TileShape.Diamond ? new WVec(0, 512, 0) : new WVec(-512, 512, 0);
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foreach (var uv in wr.Viewport.VisibleCells.MapCoords)
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{
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var lr = Game.Renderer.WorldLineRenderer;
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var pos = wr.World.Map.CenterOfCell(uv.ToCPos(wr.World.Map));
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var height = (int)wr.World.Map.MapHeight.Value[uv];
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var tile = wr.World.Map.MapTiles.Value[uv];
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TerrainTileInfo tileInfo = null;
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// TODO: This is a temporary workaround for our sloppy tileset definitions
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// (ra/td templates omit Clear tiles from templates)
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try
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{
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tileInfo = wr.World.TileSet.Templates[tile.Type][tile.Index];
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}
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catch (Exception) { }
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if (tileInfo == null)
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continue;
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var leftHeight = vertices[tileInfo.RampType][0];
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var topHeight = vertices[tileInfo.RampType][1];
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var rightHeight = vertices[tileInfo.RampType][2];
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var bottomHeight = vertices[tileInfo.RampType][3];
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var leftColor = colors[height + leftHeight];
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var topColor = colors[height + topHeight];
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var rightColor = colors[height + rightHeight];
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var bottomColor = colors[height + bottomHeight];
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var left = wr.ScreenPxPosition(pos + leftDelta + new WVec(0, 0, 512 * leftHeight)).ToFloat2();
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var top = wr.ScreenPxPosition(pos + topDelta + new WVec(0, 0, 512 * topHeight)).ToFloat2();
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var right = wr.ScreenPxPosition(pos + rightDelta + new WVec(0, 0, 512 * rightHeight)).ToFloat2();
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var bottom = wr.ScreenPxPosition(pos + bottomDelta + new WVec(0, 0, 512 * bottomHeight)).ToFloat2();
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lr.DrawLine(left, top, leftColor, topColor);
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lr.DrawLine(top, right, topColor, rightColor);
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lr.DrawLine(right, bottom, rightColor, bottomColor);
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lr.DrawLine(bottom, left, bottomColor, leftColor);
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}
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}
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}
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}
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