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OpenRA/OpenRA.Mods.Common/Traits/World/ActorMapOverlay.cs
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Initial commit: OpenRA game engine
Fork from OpenRA/OpenRA with one-click launch script (start-ra.cmd)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
2026-01-10 21:46:54 +08:00

95 lines
2.8 KiB
C#

#region Copyright & License Information
/*
* Copyright (c) The OpenRA Developers and Contributors
* This file is part of OpenRA, which is free software. It is made
* available to you under the terms of the GNU General Public License
* as published by the Free Software Foundation, either version 3 of
* the License, or (at your option) any later version. For more
* information, see COPYING.
*/
#endregion
using System.Collections.Generic;
using OpenRA.Graphics;
using OpenRA.Mods.Common.Commands;
using OpenRA.Mods.Common.Graphics;
using OpenRA.Primitives;
using OpenRA.Traits;
namespace OpenRA.Mods.Common.Traits
{
[TraitLocation(SystemActors.World)]
[IncludeStaticFluentReferences(typeof(ActorMapOverlay))]
[Desc("Renders a debug overlay showing the actor influence map. Attach this to the world actor.")]
public class ActorMapOverlayInfo : TraitInfo<ActorMapOverlay>, Requires<ActorMapInfo> { }
public class ActorMapOverlay : IRenderAnnotations, IWorldLoaded, IChatCommand
{
const string CommandName = "actor-map";
[FluentReference]
const string CommandDescription = "description-actor-map-overlay";
public bool Enabled;
void IWorldLoaded.WorldLoaded(World w, WorldRenderer wr)
{
var console = w.WorldActor.TraitOrDefault<ChatCommands>();
var help = w.WorldActor.TraitOrDefault<HelpCommand>();
if (console == null || help == null)
return;
console.RegisterCommand(CommandName, this);
help.RegisterHelp(CommandName, CommandDescription);
}
void IChatCommand.InvokeCommand(string name, string arg)
{
if (name == CommandName)
Enabled = !Enabled;
}
IEnumerable<IRenderable> IRenderAnnotations.RenderAnnotations(Actor self, WorldRenderer wr)
{
if (!Enabled)
yield break;
var map = wr.World.Map;
// Only get actors in actor map.
// Cull to visible cells while we are at it.
var actorsInBox = new HashSet<Actor>(100);
foreach (var mpos in wr.Viewport.AllVisibleCells.CandidateMapCoords)
actorsInBox.UnionWith(wr.World.ActorMap.GetActorsAt(mpos.ToCPos(map)));
foreach (var actor in actorsInBox)
{
if (actor.OccupiesSpace is not IOccupySpace space)
continue;
foreach (var (cell, subCell) in space.OccupiedCells())
{
var pos = map.CenterOfSubCell(cell, subCell);
var fullCell = subCell == SubCell.FullCell;
Color color;
color = fullCell ? Color.Red : wr.World.ActorMap.HasFreeSubCell(cell, false) ? Color.Yellow : Color.Orange;
var ramp = map.Ramp[cell];
var corners = map.Grid.Ramps[ramp].Corners;
for (var i = 0; i < 4; i++)
{
var j = (i + 1) % 4;
var start = pos + corners[i] / (fullCell ? 1 : 2);
var end = pos + corners[j] / (fullCell ? 1 : 2);
yield return new LineAnnotationRenderable(start, end, 2, color);
}
}
}
}
bool IRenderAnnotations.SpatiallyPartitionable => false;
}
}