New InventoryItem subclasses to create catapult, ballista and trebuch…

…et on battlegrounds (#395)

This PR will be linked to another PR on the db-public repo to have the corresponding 3 new ItemTemplates to complete this enhancement

Co-authored-by: DigitalBox98 <[email protected]>

GameServer/gameobjects/InventoryItem/GameInventorySiegeBallista.cs

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+/*
+ * DAWN OF LIGHT - The first free open source DAoC server emulator
+ * 
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ * 
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ *
+ */
+using System;
+using System.Reflection;
+using System.Collections.Generic;
+
+using DOL.Language;
+using DOL.GS.PacketHandler;
+using DOL.Database;
+using DOL.GS.Spells;
+
+using log4net;
+
+namespace DOL.GS
+{
+	/// <summary>
+	/// This class represents a Siege Ballista inventory item
+	/// </summary>
+	public class GameInventorySiegeBallista : GameInventoryItem, IGameInventoryItem, ITranslatableObject
+	{
+
+		public GameInventorySiegeBallista()
+			: base()
+		{
+		}
+
+		public GameInventorySiegeBallista(ItemTemplate template)
+			: base(template)
+		{
+		}
+
+		public GameInventorySiegeBallista(ItemUnique template)
+			: base(template)
+		{
+		}
+
+		public GameInventorySiegeBallista(InventoryItem item)
+			: base(item)
+		{
+			OwnerID = item.OwnerID;
+			ObjectId = item.ObjectId;
+		}
+
+
+		/// <summary>
+		/// Try and use this item
+		/// </summary>
+		/// <param name="player"></param>
+		/// <returns>true if item use is handled here</returns>
+		public bool Use(GamePlayer player)
+		{
+			// Create the siege ballista 
+			GameSiegeBallista bal = new GameSiegeBallista();
+
+			// Level, name and model of the siege ballista are retrieved from the inventory item
+			bal.Level = Convert.ToByte(Level);
+			bal.Name = Name;
+			bal.Model = (ushort) Model;
+			bal.X = player.X;
+			bal.Y = player.Y;
+			bal.Z = player.Z;
+			bal.CurrentRegion = player.CurrentRegion;
+			bal.Realm = player.Realm;
+			bal.AddToWorld();
+
+			// Remove current item from player's inventory 
+			InventoryItem item = player.Inventory.GetItem((eInventorySlot)SlotPosition);
+			player.Inventory.RemoveItem(item);
+
+			return true;
+		}
+	}
+
+}

GameServer/gameobjects/InventoryItem/GameInventorySiegeCatapult.cs

@@ -0,0 +1,90 @@
+/*
+ * DAWN OF LIGHT - The first free open source DAoC server emulator
+ * 
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ * 
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ *
+ */
+using System;
+using System.Reflection;
+using System.Collections.Generic;
+
+using DOL.Language;
+using DOL.GS.PacketHandler;
+using DOL.Database;
+using DOL.GS.Spells;
+
+using log4net;
+
+namespace DOL.GS
+{
+	/// <summary>
+	/// This class represents a Siege Catapult inventory item
+	/// </summary>
+	public class GameInventorySiegeCatapult : GameInventoryItem, IGameInventoryItem, ITranslatableObject
+	{
+
+		public GameInventorySiegeCatapult()
+			: base()
+		{
+		}
+
+		public GameInventorySiegeCatapult(ItemTemplate template)
+			: base(template)
+		{
+		}
+
+		public GameInventorySiegeCatapult(ItemUnique template)
+			: base(template)
+		{
+		}
+
+		public GameInventorySiegeCatapult(InventoryItem item)
+			: base(item)
+		{
+			OwnerID = item.OwnerID;
+			ObjectId = item.ObjectId;
+		}
+
+
+		/// <summary>
+		/// Try and use this item
+		/// </summary>
+		/// <param name="player"></param>
+		/// <returns>true if item use is handled here</returns>
+		public bool Use(GamePlayer player)
+		{
+			// Create the siege catapult 
+			GameSiegeCatapult cat = new GameSiegeCatapult();
+
+			// Level, name and model of the siege catapult are retrieved from the inventory item
+			cat.Level = Convert.ToByte(Level);
+			cat.Name = Name;
+			cat.Model = (ushort) Model;
+			cat.X = player.X;
+			cat.Y = player.Y;
+			cat.Z = player.Z;
+			cat.CurrentRegion = player.CurrentRegion;
+			cat.Realm = player.Realm;
+			cat.AddToWorld();
+
+			// Remove current item from player's inventory 
+			InventoryItem item = player.Inventory.GetItem((eInventorySlot)SlotPosition);
+			player.Inventory.RemoveItem(item);
+
+			return true;
+		}
+	}
+
+}

GameServer/gameobjects/InventoryItem/GameInventorySiegeTrebuchet.cs

@@ -0,0 +1,90 @@
+/*
+ * DAWN OF LIGHT - The first free open source DAoC server emulator
+ * 
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ * 
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ *
+ */
+using System;
+using System.Reflection;
+using System.Collections.Generic;
+
+using DOL.Language;
+using DOL.GS.PacketHandler;
+using DOL.Database;
+using DOL.GS.Spells;
+
+using log4net;
+
+namespace DOL.GS
+{
+	/// <summary>
+	/// This class represents a Siege Trebuchet inventory item
+	/// </summary>
+	public class GameInventorySiegeTrebuchet : GameInventoryItem, IGameInventoryItem, ITranslatableObject
+	{
+
+		public GameInventorySiegeTrebuchet()
+			: base()
+		{
+		}
+
+		public GameInventorySiegeTrebuchet(ItemTemplate template)
+			: base(template)
+		{
+		}
+
+		public GameInventorySiegeTrebuchet(ItemUnique template)
+			: base(template)
+		{
+		}
+
+		public GameInventorySiegeTrebuchet(InventoryItem item)
+			: base(item)
+		{
+			OwnerID = item.OwnerID;
+			ObjectId = item.ObjectId;
+		}
+
+
+		/// <summary>
+		/// Try and use this item
+		/// </summary>
+		/// <param name="player"></param>
+		/// <returns>true if item use is handled here</returns>
+		public bool Use(GamePlayer player)
+		{
+			// Create the siege trebuchet 
+			GameSiegeBallista bal = new GameSiegeBallista();
+
+			// Level, name and model of the siege trebuchet are retrieved from the inventory item
+			bal.Level = Convert.ToByte(Level);
+			bal.Name = Name;
+			bal.Model = (ushort) Model;
+			bal.X = player.X;
+			bal.Y = player.Y;
+			bal.Z = player.Z;
+			bal.CurrentRegion = player.CurrentRegion;
+			bal.Realm = player.Realm;
+			bal.AddToWorld();
+
+			// Remove current item from player's inventory 
+			InventoryItem item = player.Inventory.GetItem((eInventorySlot)SlotPosition);
+			player.Inventory.RemoveItem(item);
+
+			return true;
+		}
+	}
+
+}