Make WithRotor independent from WithTurret

Move WithRotor to Mods.Common
2014-12-18 13:23:58 +01:00
parent 5b011e6baf
commit de224a381d
3 changed files with 9 additions and 4 deletions
--- a/OpenRA.Mods.Common/Traits/Render/WithRotor.cs
+++ b/OpenRA.Mods.Common/Traits/Render/WithRotor.cs
@@ -0,0 +1,84 @@
+#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;
+using System.Collections.Generic;
+using OpenRA.Graphics;
+using OpenRA.Mods.Common.Graphics;
+using OpenRA.Traits;
+
+namespace OpenRA.Mods.Common.Traits
+{
+	[Desc("Displays a helicopter rotor overlay.")]
+	public class WithRotorInfo : ITraitInfo, IRenderActorPreviewSpritesInfo, Requires<RenderSpritesInfo>, Requires<IBodyOrientationInfo>
+	{
+		[Desc("Sequence name to use when flying")]
+		public readonly string Sequence = "rotor";
+
+		[Desc("Sequence name to use when landed")]
+		public readonly string GroundSequence = "slow-rotor";
+
+		[Desc("Position relative to body")]
+		public readonly WVec Offset = WVec.Zero;
+
+		[Desc("Change this when using this trait multiple times on the same actor.")]
+		public readonly string Id = "rotor";
+
+		public object Create(ActorInitializer init) { return new WithRotor(init.self, this); }
+
+		public IEnumerable<IActorPreview> RenderPreviewSprites(ActorPreviewInitializer init, RenderSpritesInfo rs, string image, int facings, PaletteReference p)
+		{
+			var body = init.Actor.Traits.Get<BodyOrientationInfo>();
+			var facing = init.Contains<FacingInit>() ? init.Get<FacingInit, int>() : 0;
+			var anim = new Animation(init.World, image, () => facing);
+			anim.PlayRepeating(Sequence);
+
+			var orientation = body.QuantizeOrientation(new WRot(WAngle.Zero, WAngle.Zero, WAngle.FromFacing(facing)), facings);
+			var offset = body.LocalToWorld(Offset.Rotate(orientation));
+			yield return new SpriteActorPreview(anim, offset, offset.Y + offset.Z + 1, p, rs.Scale);
+		}
+	}
+
+	public class WithRotor : ITick
+	{
+		WithRotorInfo info;
+		Animation rotorAnim;
+		IMove movement;
+
+		public WithRotor(Actor self, WithRotorInfo info)
+		{
+			this.info = info;
+			var rs = self.Trait<RenderSprites>();
+			var body = self.Trait<IBodyOrientation>();
+			movement = self.Trait<IMove>();
+
+			rotorAnim = new Animation(self.World, rs.GetImage(self));
+			rotorAnim.PlayRepeating(info.Sequence);
+			rs.Add(info.Id, new AnimationWithOffset(rotorAnim,
+				() => body.LocalToWorld(info.Offset.Rotate(body.QuantizeOrientation(self, self.Orientation))),
+				null, () => false, p => ZOffsetFromCenter(self, p, 1)));
+		}
+
+		public void Tick(Actor self)
+		{
+			var isFlying = movement.IsMoving && !self.IsDead;
+			if (isFlying ^ (rotorAnim.CurrentSequence.Name != info.Sequence))
+				return;
+
+			rotorAnim.ReplaceAnim(isFlying ? info.Sequence : info.GroundSequence);
+		}
+
+		static public int ZOffsetFromCenter(Actor self, WPos pos, int offset)
+		{
+			var delta = self.CenterPosition - pos;
+			return delta.Y + delta.Z + offset;
+		}
+	}
+}