Moves SupportPowers and related Widgets to Mods.Common

OpenRA.Mods.Common/Traits/SupportPowers/GrantUpgradePower.cs

@@ -0,0 +1,148 @@
+#region Copyright & License Information
+/*
+ * Copyright 2007-2015 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. For more information,
+ * see COPYING.
+ */
+#endregion
+
+using System.Collections.Generic;
+using System.Drawing;
+using System.Linq;
+using OpenRA.Graphics;
+using OpenRA.Traits;
+
+namespace OpenRA.Mods.Common.Traits
+{
+	class GrantUpgradePowerInfo : SupportPowerInfo
+	{
+		[Desc("The upgrades to apply.")]
+		public readonly string[] Upgrades = { };
+
+		[Desc("Duration of the upgrade (in ticks). Set to 0 for a permanent upgrade.")]
+		public readonly int Duration = 0;
+
+		[Desc("Cells")]
+		public readonly int Range = 1;
+		public readonly string GrantUpgradeSound = "ironcur9.aud";
+
+		public override object Create(ActorInitializer init) { return new GrantUpgradePower(init.Self, this); }
+	}
+
+	class GrantUpgradePower : SupportPower
+	{
+		GrantUpgradePowerInfo info;
+
+		public GrantUpgradePower(Actor self, GrantUpgradePowerInfo info)
+			: base(self, info)
+		{
+			this.info = info;
+		}
+
+		public override IOrderGenerator OrderGenerator(string order, SupportPowerManager manager)
+		{
+			Sound.PlayToPlayer(manager.Self.Owner, Info.SelectTargetSound);
+			return new SelectTarget(Self.World, order, manager, this);
+		}
+
+		public override void Activate(Actor self, Order order, SupportPowerManager manager)
+		{
+			base.Activate(self, order, manager);
+
+			self.Trait<RenderBuilding>().PlayCustomAnim(self, "active");
+
+			Sound.Play(info.GrantUpgradeSound, self.World.Map.CenterOfCell(order.TargetLocation));
+
+			foreach (var a in UnitsInRange(order.TargetLocation))
+			{
+				var um = a.TraitOrDefault<UpgradeManager>();
+				if (um == null)
+					continue;
+
+				foreach (var u in info.Upgrades)
+				{
+					if (!um.AcceptsUpgrade(a, u))
+						continue;
+
+					if (info.Duration > 0)
+						um.GrantTimedUpgrade(a, u, info.Duration);
+					else
+						um.GrantUpgrade(a, u, this);
+				}
+			}
+		}
+
+		public IEnumerable<Actor> UnitsInRange(CPos xy)
+		{
+			var range = info.Range;
+			var tiles = Self.World.Map.FindTilesInCircle(xy, range);
+			var units = new List<Actor>();
+			foreach (var t in tiles)
+				units.AddRange(Self.World.ActorMap.GetUnitsAt(t));
+
+			return units.Distinct().Where(a =>
+			{
+				if (!a.Owner.IsAlliedWith(Self.Owner))
+					return false;
+
+				var um = a.TraitOrDefault<UpgradeManager>();
+				return um != null && info.Upgrades.Any(u => um.AcceptsUpgrade(a, u));
+			});
+		}
+
+		class SelectTarget : IOrderGenerator
+		{
+			readonly GrantUpgradePower power;
+			readonly int range;
+			readonly Sprite tile;
+			readonly SupportPowerManager manager;
+			readonly string order;
+
+			public SelectTarget(World world, string order, SupportPowerManager manager, GrantUpgradePower power)
+			{
+				this.manager = manager;
+				this.order = order;
+				this.power = power;
+				this.range = power.info.Range;
+				tile = world.Map.SequenceProvider.GetSequence("overlay", "target-select").GetSprite(0);
+			}
+
+			public IEnumerable<Order> Order(World world, CPos xy, MouseInput mi)
+			{
+				world.CancelInputMode();
+				if (mi.Button == MouseButton.Left && power.UnitsInRange(xy).Any())
+					yield return new Order(order, manager.Self, false) { TargetLocation = xy, SuppressVisualFeedback = true };
+			}
+
+			public void Tick(World world)
+			{
+				// Cancel the OG if we can't use the power
+				if (!manager.Powers.ContainsKey(order))
+					world.CancelInputMode();
+			}
+
+			public IEnumerable<IRenderable> RenderAfterWorld(WorldRenderer wr, World world)
+			{
+				var xy = wr.Viewport.ViewToWorld(Viewport.LastMousePos);
+				foreach (var unit in power.UnitsInRange(xy))
+					yield return new SelectionBoxRenderable(unit, Color.Red);
+			}
+
+			public IEnumerable<IRenderable> Render(WorldRenderer wr, World world)
+			{
+				var xy = wr.Viewport.ViewToWorld(Viewport.LastMousePos);
+				var pal = wr.Palette("terrain");
+
+				foreach (var t in world.Map.FindTilesInCircle(xy, range))
+					yield return new SpriteRenderable(tile, wr.World.Map.CenterOfCell(t), WVec.Zero, -511, pal, 1f, true);
+			}
+
+			public string GetCursor(World world, CPos xy, MouseInput mi)
+			{
+				return power.UnitsInRange(xy).Any() ? "ability" : "move-blocked";
+			}
+		}
+	}
+}