4 files changed, 195 insertions, 10 deletions

diff --git a/source/Items/ItemBow.h b/source/Items/ItemBow.h
new file mode 100644
index 000000000..845192ef7
--- /dev/null
+++ b/source/Items/ItemBow.h
@@ -0,0 +1,80 @@
+
+// ItemBow.h
+
+// Declares the cItemBowHandler class representing the itemhandler for bows
+
+
+
+
+
+#pragma once
+
+#include "../Entities/ProjectileEntity.h"
+
+
+
+
+
+class cItemBowHandler :
+	public cItemHandler
+{
+	typedef cItemHandler super;
+	
+public:
+	cItemBowHandler(void) :
+		super(E_ITEM_BOW)
+	{
+	}
+	
+	
+	virtual bool OnItemUse(cWorld * a_World, cPlayer * a_Player, const cItem & a_Item, int a_BlockX, int a_BlockY, int a_BlockZ, char a_Dir) override
+	{
+		ASSERT(a_Player != NULL);
+		
+		// Check if the player has an arrow in the inventory, or is in Creative:
+		if (!(a_Player->IsGameModeCreative() || a_Player->GetInventory().HasItems(cItem(E_ITEM_ARROW))))
+		{
+			return false;
+		}
+		a_Player->StartChargingBow();
+		return true;
+	}
+	
+	
+	virtual void OnItemShoot(cPlayer * a_Player, int a_BlockX, int a_BlockY, int a_BlockZ, char a_BlockFace) override
+	{
+		// Actual shot - produce the arrow with speed based on the ticks that the bow was charged
+		ASSERT(a_Player != NULL);
+		
+		int BowCharge = a_Player->FinishChargingBow();
+		double Force = (double)BowCharge / 20;
+		Force = (Force * Force + 2 * Force) / 3;  // This formula is used by the 1.6.2 client
+		if (Force < 0.1)
+		{
+			// Too little force, ignore the shot
+			return;
+		}
+		if (Force > 1)
+		{
+			Force = 1;
+		}
+		
+		// Create the arrow entity:
+		cArrowEntity * Arrow = new cArrowEntity(*a_Player, Force * 2);
+		if (Arrow == NULL)
+		{
+			return;
+		}
+		if (!Arrow->Initialize(a_Player->GetWorld()))
+		{
+			delete Arrow;
+			return;
+		}
+		a_Player->GetWorld()->BroadcastSpawnEntity(*Arrow);
+	}
+} ;
+
+
+
+
+
diff --git a/source/Items/ItemHandler.cpp b/source/Items/ItemHandler.cpp
index 66d36e1a6..2ae193d52 100644
--- a/source/Items/ItemHandler.cpp
+++ b/source/Items/ItemHandler.cpp
@@ -8,6 +8,7 @@
 
 // Handlers:
 #include "ItemBed.h"
+#include "ItemBow.h"
 #include "ItemBrewingStand.h"
 #include "ItemBucket.h"
 #include "ItemCauldron.h"
@@ -21,6 +22,7 @@
 #include "ItemLighter.h"
 #include "ItemMinecart.h"
 #include "ItemPickaxe.h"
+#include "ItemThrowable.h"
 #include "ItemRedstoneDust.h"
 #include "ItemRedstoneRepeater.h"
 #include "ItemSapling.h"
@@ -47,18 +49,24 @@ cItemHandler * cItemHandler::m_ItemHandler[2268];
 
 
 
-cItemHandler *cItemHandler::GetItemHandler(int a_ItemType)
+cItemHandler * cItemHandler::GetItemHandler(int a_ItemType)
 {
-	if(a_ItemType < 0) a_ItemType = 0;
+	if (a_ItemType < 0)
+	{
+		ASSERT(!"Bad item type");
+		a_ItemType = 0;
+	}
 
-	if(!m_HandlerInitialized)
-	{	//We have to initialize
+	if (!m_HandlerInitialized)
+	{
+		// We need to initialize
 		memset(m_ItemHandler, 0, sizeof(m_ItemHandler));
 		m_HandlerInitialized = true;
 	}
-	if(m_ItemHandler[a_ItemType])
-		return m_ItemHandler[a_ItemType];
-	m_ItemHandler[a_ItemType] = CreateItemHandler(a_ItemType);
+	if (m_ItemHandler[a_ItemType] == NULL)
+	{
+		m_ItemHandler[a_ItemType] = CreateItemHandler(a_ItemType);
+	}
 	return m_ItemHandler[a_ItemType];
 }
 
@@ -77,15 +85,19 @@ cItemHandler *cItemHandler::CreateItemHandler(int a_ItemType)
 		case E_BLOCK_SAPLING:          return new cItemSaplingHandler(a_ItemType);
 		case E_BLOCK_WOOL:             return new cItemClothHandler(a_ItemType);
 		case E_ITEM_BED:               return new cItemBedHandler(a_ItemType);
+		case E_ITEM_BOW:               return new cItemBowHandler;
 		case E_ITEM_BREWING_STAND:     return new cItemBrewingStandHandler(a_ItemType);
 		case E_ITEM_CAULDRON:          return new cItemCauldronHandler(a_ItemType);
 		case E_ITEM_DYE:               return new cItemDyeHandler(a_ItemType);
+		case E_ITEM_EGG:               return new cItemEggHandler();
+		case E_ITEM_ENDER_PEARL:       return new cItemEnderPearlHandler();
 		case E_ITEM_FLINT_AND_STEEL:   return new cItemLighterHandler(a_ItemType);
 		case E_ITEM_FLOWER_POT:        return new cItemFlowerPotHandler(a_ItemType);
 		case E_ITEM_REDSTONE_DUST:     return new cItemRedstoneDustHandler(a_ItemType);
 		case E_ITEM_REDSTONE_REPEATER: return new cItemRedstoneRepeaterHandler(a_ItemType);
 		case E_ITEM_SHEARS:            return new cItemShearsHandler(a_ItemType);
 		case E_ITEM_SIGN:              return new cItemSignHandler(a_ItemType);
+		case E_ITEM_SNOWBALL:          return new cItemSnowballHandler();
 		case E_ITEM_SPAWN_EGG:         return new cItemSpawnEggHandler(a_ItemType);
 		case E_ITEM_SUGARCANE:         return new cItemSugarcaneHandler(a_ItemType);
 		
diff --git a/source/Items/ItemHandler.h b/source/Items/ItemHandler.h
index 44d43e8f7..e39bb054b 100644
--- a/source/Items/ItemHandler.h
+++ b/source/Items/ItemHandler.h
@@ -21,8 +21,11 @@ class cItemHandler
 public:
 	cItemHandler(int a_ItemType);
 	
-	/// Called when the player tries to use the item. Return false to make the item unusable. DEFAULT: False
-	virtual bool OnItemUse(cWorld *a_World, cPlayer *a_Player, const cItem & a_Item, int a_BlockX, int a_BlockY, int a_BlockZ, char a_Dir);	//eg for fishing or hoes
+	/// Called when the player tries to use the item (right mouse button). Return false to make the item unusable. DEFAULT: False
+	virtual bool OnItemUse(cWorld * a_World, cPlayer * a_Player, const cItem & a_Item, int a_BlockX, int a_BlockY, int a_BlockZ, char a_Dir);
+	
+	/// Called when the client sends the SHOOT status in the lclk packet
+	virtual void OnItemShoot(cPlayer * a_Player, int a_BlockX, int a_BlockY, int a_BlockZ, char a_BlockFace) {}
 	
 	/// Called while the player diggs a block using this item
 	virtual bool OnDiggingBlock(cWorld * a_World, cPlayer * a_Player, const cItem & a_HeldItem, int a_BlockX, int a_BlockY, int a_BlockZ, char a_BlockFace);
@@ -88,7 +91,7 @@ protected:
 	int m_ItemType;
 	static cItemHandler *CreateItemHandler(int m_ItemType);
 
-	static cItemHandler *m_ItemHandler[2268];
+	static cItemHandler * m_ItemHandler[E_ITEM_LAST + 1];
 	static bool m_HandlerInitialized;	//used to detect if the itemhandlers are initialized
 };
 
diff --git a/source/Items/ItemThrowable.h b/source/Items/ItemThrowable.h
new file mode 100644
index 000000000..dacdb6157
--- /dev/null
+++ b/source/Items/ItemThrowable.h
@@ -0,0 +1,90 @@
+
+// ItemThrowable.h
+
+// Declares the itemhandlers for throwable items: eggs, snowballs and ender pearls
+
+
+
+
+
+#pragma once
+
+
+
+
+
+class cItemThrowableHandler :
+	public cItemHandler
+{
+	typedef cItemHandler super;
+public:
+	cItemThrowableHandler(int a_ItemType, cProjectileEntity::eKind a_ProjectileKind, double a_SpeedCoeff) :
+		super(a_ItemType),
+		m_ProjectileKind(a_ProjectileKind),
+		m_SpeedCoeff(a_SpeedCoeff)
+	{
+	}
+	
+
+	virtual bool OnItemUse(cWorld * a_World, cPlayer * a_Player, const cItem & a_Item, int a_BlockX, int a_BlockY, int a_BlockZ, char a_Dir) override
+	{
+		Vector3d Pos = a_Player->GetThrowStartPos();
+		Vector3d Speed = a_Player->GetLookVector() * m_SpeedCoeff;
+		a_World->CreateProjectile(Pos.x, Pos.y, Pos.z, m_ProjectileKind, a_Player, &Speed);
+		return true;
+	}
+	
+protected:
+	cProjectileEntity::eKind m_ProjectileKind;
+	double m_SpeedCoeff;
+} ;
+
+
+
+
+
+class cItemEggHandler :
+	public cItemThrowableHandler
+{
+	typedef cItemThrowableHandler super;
+public:
+	cItemEggHandler(void) :
+		super(E_ITEM_EGG, cProjectileEntity::pkEgg, 30)
+	{
+	}
+} ;
+
+
+
+
+class cItemSnowballHandler :
+	public cItemThrowableHandler
+{
+	typedef cItemThrowableHandler super;
+	
+public:
+	cItemSnowballHandler(void) :
+		super(E_ITEM_SNOWBALL, cProjectileEntity::pkSnowball, 30)
+	{
+	}
+} ;
+
+
+
+
+
+class cItemEnderPearlHandler :
+	public cItemThrowableHandler
+{
+	typedef cItemThrowableHandler super;
+	
+public:
+	cItemEnderPearlHandler(void) :
+		super(E_ITEM_ENDER_PEARL, cProjectileEntity::pkEnderPearl, 30)
+	{
+	}
+} ;
+
+
+
+