Closes #4463. Added Shrapnel, as well as variable velocity and arc for bullets

OpenRA.Mods.D2k/OpenRA.Mods.D2k.csproj

@@ -76,6 +76,7 @@
     <Reference Include="System.Drawing" />
   </ItemGroup>
   <ItemGroup>
+    <Compile Include="ThrowsShrapnel.cs" />
     <Compile Include="Widgets\Logic\D2kInstallFromCDLogic.cs" />
     <Compile Include="Render\WithCrumbleOverlay.cs" />
     <Compile Include="PaletteFromR8.cs" />
@@ -120,7 +121,5 @@ cd "$(SolutionDir)"</PostBuildEvent>
       <Install>true</Install>
     </BootstrapperPackage>
   </ItemGroup>
-  <ItemGroup>
-    <Folder Include="Render\" />
-  </ItemGroup>
+  <ItemGroup />
 </Project>

OpenRA.Mods.D2k/ThrowsShrapnel.cs

@@ -0,0 +1,79 @@
+#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 OpenRA.GameRules;
+using OpenRA.FileFormats;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using OpenRA.Traits;
+
+namespace OpenRA.Mods.D2k
+{
+	public class ThrowsShrapnelInfo : ITraitInfo
+	{
+		[WeaponReference]
+		public string[] Weapons = { };
+		public int[] Pieces = { 3, 10 };
+		public WRange[] Range = { WRange.FromCells(2), WRange.FromCells(5) };
+		public object Create(ActorInitializer actor) { return new ThrowsShrapnel(this); }
+	}
+
+	class ThrowsShrapnel : INotifyKilled
+	{
+		readonly ThrowsShrapnelInfo info;
+
+		public ThrowsShrapnel(ThrowsShrapnelInfo info) 
+		{
+			this.info = info;
+		}
+
+		public void Killed(Actor self, AttackInfo attack)
+		{
+			foreach (var name in info.Weapons)
+			{
+				var wep = Rules.Weapons[name];
+				var pieces = self.World.SharedRandom.Next(info.Pieces[0], info.Pieces[1]);
+				var range = self.World.SharedRandom.Next(info.Range[0].Range, info.Range[1].Range);
+
+				for (var i = 0; pieces > i; i++)
+				{
+					var rotation = WRot.FromFacing(self.World.SharedRandom.Next(1024));
+					var args = new ProjectileArgs
+					{
+						Weapon = wep,
+						Facing = self.World.SharedRandom.Next(-1,255),
+						FirepowerModifier = self.TraitsImplementing<IFirepowerModifier>()
+							.Select(a => a.GetFirepowerModifier())
+							.Product(),
+
+						Source = self.CenterPosition,
+						SourceActor = self,
+						PassiveTarget = self.CenterPosition + new WVec(range, 0, 0).Rotate(rotation)
+					};
+
+					self.World.AddFrameEndTask(x =>
+					{
+						if (args.Weapon.Projectile != null)
+						{
+							var projectile = args.Weapon.Projectile.Create(args);
+							if (projectile != null)
+								self.World.Add(projectile);
+
+							if (args.Weapon.Report != null && args.Weapon.Report.Any())
+								Sound.Play(args.Weapon.Report.Random(self.World.SharedRandom), self.CenterPosition);
+						}
+					});
+				}
+			}
+		}
+	}
+}