Add a hotkey to cycle harvesters

OpenRA.Mods.Common/Widgets/Logic/Ingame/Hotkeys/CycleHarvestersHotkeyLogic.cs

@@ -0,0 +1,63 @@
+#region Copyright & License Information
+/*
+ * Copyright 2007-2020 The OpenRA Developers (see AUTHORS)
+ * 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 System.Linq;
+using OpenRA.Graphics;
+using OpenRA.Mods.Common.Lint;
+using OpenRA.Mods.Common.Traits;
+using OpenRA.Traits;
+using OpenRA.Widgets;
+
+namespace OpenRA.Mods.Common.Widgets.Logic.Ingame
+{
+	[ChromeLogicArgsHotkeys("CycleHarvestersKey")]
+	public class CycleHarvestersHotkeyLogic : SingleHotkeyBaseLogic
+	{
+		readonly Viewport viewport;
+		readonly ISelection selection;
+		readonly World world;
+
+		[ObjectCreator.UseCtor]
+		public CycleHarvestersHotkeyLogic(Widget widget, ModData modData, WorldRenderer worldRenderer, World world, Dictionary<string, MiniYaml> logicArgs)
+			: base(widget, modData, "CycleHarvestersKey", "WORLD_KEYHANDLER", logicArgs)
+		{
+			viewport = worldRenderer.Viewport;
+			selection = world.Selection;
+			this.world = world;
+		}
+
+		protected override bool OnHotkeyActivated(KeyInput e)
+		{
+			var player = world.RenderPlayer ?? world.LocalPlayer;
+
+			var harvesters = world.ActorsHavingTrait<Harvester>()
+				.Where(a => a.IsInWorld && a.Owner == player)
+				.ToList();
+
+			if (!harvesters.Any())
+				return true;
+
+			var next = harvesters
+				.SkipWhile(b => !selection.Contains(b))
+				.Skip(1)
+				.FirstOrDefault();
+
+			if (next == null)
+				next = harvesters.First();
+
+			selection.Combine(world, new Actor[] { next }, false, true);
+			viewport.Center(selection.Actors);
+
+			return true;
+		}
+	}
+}

mods/cnc/chrome/ingame.yaml

@@ -10,10 +10,11 @@ Container@INGAME_ROOT:
 				TakeScreenshotKey: TakeScreenshot
 				MuteAudioKey: ToggleMute
 		LogicKeyListener@WORLD_KEYHANDLER:
-			Logic: CycleBasesHotkeyLogic, CycleProductionActorsHotkeyLogic, JumpToLastEventHotkeyLogic, JumpToSelectedActorsHotkeyLogic, ResetZoomHotkeyLogic, TogglePlayerStanceColorHotkeyLogic, CycleStatusBarsHotkeyLogic, PauseHotkeyLogic, RemoveFromControlGroupHotkeyLogic
+			Logic: CycleBasesHotkeyLogic, CycleProductionActorsHotkeyLogic, CycleHarvestersHotkeyLogic, JumpToLastEventHotkeyLogic, JumpToSelectedActorsHotkeyLogic, ResetZoomHotkeyLogic, TogglePlayerStanceColorHotkeyLogic, CycleStatusBarsHotkeyLogic, PauseHotkeyLogic, RemoveFromControlGroupHotkeyLogic
 				RemoveFromControlGroupKey: RemoveFromControlGroup
 				CycleBasesKey: CycleBase
 				CycleProductionActorsKey: CycleProductionBuildings
+				CycleHarvestersKey: CycleHarvesters
 				JumpToLastEventKey: ToLastEvent
 				JumpToSelectedActorsKey: ToSelection
 				ResetZoomKey: ResetZoom

mods/common/chrome/ingame.yaml

@@ -10,10 +10,11 @@ Container@INGAME_ROOT:
 				TakeScreenshotKey: TakeScreenshot
 				MuteAudioKey: ToggleMute
 		LogicKeyListener@WORLD_KEYHANDLER:
-			Logic: CycleBasesHotkeyLogic, CycleProductionActorsHotkeyLogic, JumpToLastEventHotkeyLogic, JumpToSelectedActorsHotkeyLogic, ResetZoomHotkeyLogic, TogglePlayerStanceColorHotkeyLogic, CycleStatusBarsHotkeyLogic, PauseHotkeyLogic, RemoveFromControlGroupHotkeyLogic
+			Logic: CycleBasesHotkeyLogic, CycleProductionActorsHotkeyLogic, CycleHarvestersHotkeyLogic, JumpToLastEventHotkeyLogic, JumpToSelectedActorsHotkeyLogic, ResetZoomHotkeyLogic, TogglePlayerStanceColorHotkeyLogic, CycleStatusBarsHotkeyLogic, PauseHotkeyLogic, RemoveFromControlGroupHotkeyLogic
 				RemoveFromControlGroupKey: RemoveFromControlGroup
 				CycleBasesKey: CycleBase
 				CycleProductionActorsKey: CycleProductionBuildings
+				CycleHarvestersKey: CycleHarvesters
 				JumpToLastEventKey: ToLastEvent
 				JumpToSelectedActorsKey: ToSelection
 				ResetZoomKey: ResetZoom

mods/common/hotkeys/game.yaml

@@ -18,6 +18,10 @@ SelectUnitsByType: W
 	Description: Select units by type
 	Types: World, Player, Spectator
 
+CycleHarvesters: N
+	Description: Cycle Harvesters
+	Types: World, Player, Spectator
+
 RemoveFromControlGroup:
 	Description: Remove from control group
 	Types: World, Player