Move most palette-related stuff + nuke effect + Immobile trait to Mods.Common

OpenRA.Mods.Common/Effects/NukeLaunch.cs

@@ -0,0 +1,98 @@
+#region Copyright & License Information
+/*
+ * Copyright 2007-2014 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.Linq;
+using OpenRA.Effects;
+using OpenRA.GameRules;
+using OpenRA.Graphics;
+using OpenRA.Traits;
+
+namespace OpenRA.Mods.Common.Effects
+{
+	public class NukeLaunch : IEffect
+	{
+		readonly Player firedBy;
+		readonly Animation anim;
+		readonly string weapon;
+
+		readonly WPos ascendSource;
+		readonly WPos ascendTarget;
+		readonly WPos descendSource;
+		readonly WPos descendTarget;
+		readonly int delay;
+		readonly int turn;
+
+		WPos pos;
+		int ticks;
+
+		public NukeLaunch(Player firedBy, string weapon, WPos launchPos, WPos targetPos, WRange velocity, int delay, bool skipAscent)
+		{
+			this.firedBy = firedBy;
+			this.weapon = weapon;
+			this.delay = delay;
+			this.turn = delay / 2;
+
+			var offset = new WVec(WRange.Zero, WRange.Zero, velocity * turn);
+			ascendSource = launchPos;
+			ascendTarget = launchPos + offset;
+			descendSource = targetPos + offset;
+			descendTarget = targetPos;
+
+			anim = new Animation(firedBy.World, weapon);
+			anim.PlayRepeating("up");
+
+			pos = launchPos;
+			var weaponRules = firedBy.World.Map.Rules.Weapons[weapon.ToLowerInvariant()];
+			if (weaponRules.Report != null && weaponRules.Report.Any())
+				Sound.Play(weaponRules.Report.Random(firedBy.World.SharedRandom), pos);
+
+			if (skipAscent)
+				ticks = turn;
+		}
+
+
+		public void Tick(World world)
+		{
+			anim.Tick();
+
+			if (ticks == turn)
+				anim.PlayRepeating("down");
+
+			if (ticks <= turn)
+				pos = WPos.LerpQuadratic(ascendSource, ascendTarget, WAngle.Zero, ticks, turn);
+			else
+				pos = WPos.LerpQuadratic(descendSource, descendTarget, WAngle.Zero, ticks - turn, delay - turn);
+
+			if (ticks == delay)
+				Explode(world);
+
+			ticks++;
+		}
+
+		void Explode(World world)
+		{
+			world.AddFrameEndTask(w => w.Remove(this));
+			var weapon = world.Map.Rules.Weapons[this.weapon.ToLowerInvariant()];
+			weapon.Impact(Target.FromPos(pos), firedBy.PlayerActor, Enumerable.Empty<int>());
+			world.WorldActor.Trait<ScreenShaker>().AddEffect(20, pos, 5);
+
+			foreach (var a in world.ActorsWithTrait<NukePaletteEffect>())
+				a.Trait.Enable();
+		}
+
+		public IEnumerable<IRenderable> Render(WorldRenderer wr)
+		{
+			return anim.Render(pos, wr.Palette("effect"));
+		}
+
+		public float FractionComplete { get { return ticks * 1f / delay; } }
+	}
+}