104 lines
3.2 KiB
C#
104 lines
3.2 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.Graphics;
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using OpenRA.Mods.Common.Commands;
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using OpenRA.Mods.Common.Graphics;
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using OpenRA.Primitives;
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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 : TraitInfo<TerrainGeometryOverlay> { }
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public class TerrainGeometryOverlay : IRenderAnnotations, IWorldLoaded, IChatCommand
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{
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const string CommandName = "terrainoverlay";
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const string CommandDesc = "toggles the terrain geometry overlay.";
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public bool Enabled;
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void IWorldLoaded.WorldLoaded(World w, WorldRenderer wr)
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{
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var console = w.WorldActor.TraitOrDefault<ChatCommands>();
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var help = w.WorldActor.TraitOrDefault<HelpCommand>();
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if (console == null || help == null)
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return;
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console.RegisterCommand(CommandName, this);
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help.RegisterHelp(CommandName, CommandDesc);
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}
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void IChatCommand.InvokeCommand(string name, string arg)
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{
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if (name == CommandName)
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Enabled ^= true;
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}
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IEnumerable<IRenderable> IRenderAnnotations.RenderAnnotations(Actor self, WorldRenderer wr)
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{
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if (!Enabled)
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yield break;
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var map = wr.World.Map;
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var tileSet = wr.World.Map.Rules.TileSet;
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var colors = tileSet.HeightDebugColors;
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var mouseCell = wr.Viewport.ViewToWorld(Viewport.LastMousePos).ToMPos(wr.World.Map);
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foreach (var uv in wr.Viewport.AllVisibleCells.CandidateMapCoords)
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{
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if (!map.Height.Contains(uv) || self.World.ShroudObscures(uv))
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continue;
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var height = (int)map.Height[uv];
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var tile = map.Tiles[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.Grid.CellCorners[ramp];
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var pos = map.CenterOfCell(uv.ToCPos(map));
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var width = uv == mouseCell ? 3 : 1;
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// Colors change between points, so render separately
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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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var start = pos + corners[i];
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var end = pos + corners[j];
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var startColor = colors[height + corners[i].Z / 512];
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var endColor = colors[height + corners[j].Z / 512];
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yield return new LineAnnotationRenderable(start, end, width, startColor, endColor);
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}
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}
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// Projected cell coordinates for the current cell
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var projectedCorners = map.Grid.CellCorners[0];
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foreach (var puv in map.ProjectedCellsCovering(mouseCell))
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{
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var pos = map.CenterOfCell(((MPos)puv).ToCPos(map));
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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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var start = pos + projectedCorners[i] - new WVec(0, 0, pos.Z);
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var end = pos + projectedCorners[j] - new WVec(0, 0, pos.Z);
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yield return new LineAnnotationRenderable(start, end, 3, Color.Navy);
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}
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}
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}
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bool IRenderAnnotations.SpatiallyPartitionable { get { return false; } }
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}
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}
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