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>

OpenRA.Mods.Common/Widgets/Logic/Ingame/ClassicProductionLogic.cs

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+#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;
+using System.Linq;
+using OpenRA.Mods.Common.Traits;
+using OpenRA.Widgets;
+
+namespace OpenRA.Mods.Common.Widgets.Logic
+{
+	public class ClassicProductionLogic : ChromeLogic
+	{
+		readonly ProductionPaletteWidget palette;
+		readonly World world;
+
+		void SetupProductionGroupButton(ProductionTypeButtonWidget button)
+		{
+			if (button == null)
+				return;
+
+			// Classic production queues are initialized at game start, and then never change.
+			var queues = world.LocalPlayer.PlayerActor.TraitsImplementing<ProductionQueue>()
+				.Where(q => (q.Info.Group ?? q.Info.Type) == button.ProductionGroup)
+				.ToArray();
+
+			void SelectTab(bool reverse)
+			{
+				palette.CurrentQueue = queues.FirstOrDefault(q => q.Enabled);
+
+				// When a tab is selected, scroll to the top because the current row position may be invalid for the new tab
+				palette.ScrollToTop();
+
+				// Attempt to pick up a completed building (if there is one) so it can be placed
+				palette.PickUpCompletedBuilding();
+			}
+
+			button.IsDisabled = () => !queues.Any(q => q.AnyItemsToBuild());
+			button.OnMouseUp = mi => SelectTab(mi.Modifiers.HasModifier(Modifiers.Shift));
+			button.OnKeyPress = e => SelectTab(e.Modifiers.HasModifier(Modifiers.Shift));
+			button.OnClick = () => SelectTab(false);
+			button.IsHighlighted = () => queues.Contains(palette.CurrentQueue);
+
+			var chromeName = button.ProductionGroup.ToLowerInvariant();
+			var icon = button.Get<ImageWidget>("ICON");
+			icon.GetImageName = () => button.IsDisabled() ? chromeName + "-disabled" :
+				queues.Any(q => q.AllQueued().Any(i => i.Done)) ? chromeName + "-alert" : chromeName;
+		}
+
+		[ObjectCreator.UseCtor]
+		public ClassicProductionLogic(Widget widget, World world)
+		{
+			this.world = world;
+			palette = widget.Get<ProductionPaletteWidget>("PRODUCTION_PALETTE");
+
+			var background = widget.GetOrNull("PALETTE_BACKGROUND");
+			var foreground = widget.GetOrNull("PALETTE_FOREGROUND");
+			if (background != null || foreground != null)
+			{
+				Widget backgroundTemplate = null;
+				Widget backgroundBottom = null;
+				Widget foregroundTemplate = null;
+
+				if (background != null)
+				{
+					backgroundTemplate = background.Get("ROW_TEMPLATE");
+					backgroundBottom = background.GetOrNull("BOTTOM_CAP");
+				}
+
+				if (foreground != null)
+					foregroundTemplate = foreground.Get("ROW_TEMPLATE");
+
+				void UpdateBackground(int _, int icons)
+				{
+					var rows = Math.Max(palette.MinimumRows, (icons + palette.Columns - 1) / palette.Columns);
+					rows = Math.Min(rows, palette.MaximumRows);
+
+					if (background != null)
+					{
+						background.RemoveChildren();
+
+						var rowHeight = backgroundTemplate.Bounds.Height;
+						for (var i = 0; i < rows; i++)
+						{
+							var row = backgroundTemplate.Clone();
+							row.Bounds.Y = i * rowHeight;
+							background.AddChild(row);
+						}
+
+						if (backgroundBottom == null)
+							return;
+
+						backgroundBottom.Bounds.Y = rows * rowHeight;
+						background.AddChild(backgroundBottom);
+					}
+
+					if (foreground != null)
+					{
+						foreground.RemoveChildren();
+
+						var rowHeight = foregroundTemplate.Bounds.Height;
+						for (var i = 0; i < rows; i++)
+						{
+							var row = foregroundTemplate.Clone();
+							row.Bounds.Y = i * rowHeight;
+							foreground.AddChild(row);
+						}
+					}
+				}
+
+				palette.OnIconCountChanged += UpdateBackground;
+
+				// Set the initial palette state
+				UpdateBackground(0, 0);
+			}
+
+			var typesContainer = widget.Get("PRODUCTION_TYPES");
+			foreach (var i in typesContainer.Children)
+				SetupProductionGroupButton(i as ProductionTypeButtonWidget);
+
+			var ticker = widget.Get<LogicTickerWidget>("PRODUCTION_TICKER");
+			ticker.OnTick = () =>
+			{
+				if (palette.CurrentQueue == null || palette.DisplayedIconCount == 0)
+				{
+					// Select the first active tab
+					foreach (var b in typesContainer.Children)
+					{
+						if (b is not ProductionTypeButtonWidget button || button.IsDisabled())
+							continue;
+
+						button.OnClick();
+						break;
+					}
+				}
+			};
+
+			// Hook up scroll up and down buttons on the palette
+			var scrollDown = widget.GetOrNull<ButtonWidget>("SCROLL_DOWN_BUTTON");
+
+			if (scrollDown != null)
+			{
+				scrollDown.OnClick = palette.ScrollDown;
+				scrollDown.IsVisible = () => palette.TotalIconCount > palette.MaxIconRowOffset * palette.Columns;
+				scrollDown.IsDisabled = () => !palette.CanScrollDown;
+			}
+
+			var scrollUp = widget.GetOrNull<ButtonWidget>("SCROLL_UP_BUTTON");
+
+			if (scrollUp != null)
+			{
+				scrollUp.OnClick = palette.ScrollUp;
+				scrollUp.IsVisible = () => palette.TotalIconCount > palette.MaxIconRowOffset * palette.Columns;
+				scrollUp.IsDisabled = () => !palette.CanScrollUp;
+			}
+
+			SetMaximumVisibleRows(palette);
+		}
+
+		static void SetMaximumVisibleRows(ProductionPaletteWidget productionPalette)
+		{
+			var screenHeight = Game.Renderer.Resolution.Height;
+
+			// Get height of currently displayed icons
+			var containerWidget = Ui.Root.GetOrNull<ContainerWidget>("SIDEBAR_PRODUCTION");
+
+			if (containerWidget == null)
+				return;
+
+			var sidebarProductionHeight = containerWidget.Bounds.Y;
+
+			// Check if icon heights exceed y resolution
+			var maxItemsHeight = screenHeight - sidebarProductionHeight;
+
+			var maxIconRowOffest = maxItemsHeight / productionPalette.IconSize.Y - 1;
+			productionPalette.MaxIconRowOffset = Math.Min(maxIconRowOffest, productionPalette.MaximumRows);
+		}
+	}
+}