#pragma once #include "../Defines.h" #include "../Item.h" // fwd: class cWorld; class cPlayer; class cItemHandler { public: cItemHandler(int a_ItemType); /// 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, eBlockFace a_Dir); /// Called when the client sends the SHOOT status in the lclk packet virtual void OnItemShoot(cPlayer *, int a_BlockX, int a_BlockY, int a_BlockZ, eBlockFace a_BlockFace) { UNUSED(a_BlockX); UNUSED(a_BlockY); UNUSED(a_BlockZ); UNUSED(a_BlockFace); } /// Called every tick while the item is on the player's inventory (Used by maps) - For now, called only for equipped items virtual void OnUpdate(cWorld * a_World, cPlayer * a_Player, const cItem & a_Item) { UNUSED(a_World); UNUSED(a_Player); UNUSED(a_Item); } /// 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, eBlockFace a_BlockFace); /// Called when the player destroys a block using this item. This also calls the drop function for the destroyed block virtual void OnBlockDestroyed(cWorld * a_World, cPlayer * a_Player, const cItem & a_Item, int a_X, int a_Y, int a_Z); /// Called after the player has eaten this item. virtual void OnFoodEaten(cWorld *a_World, cPlayer *a_Player, cItem *a_Item); /// Returns the maximum stack size for a given item virtual char GetMaxStackSize(void); struct FoodInfo { int FoodLevel; double Saturation; int PoisonChance; // 0 - 100, in percent. 0 = no chance of poisoning, 100 = sure poisoning FoodInfo(int a_FoodLevel, double a_Saturation, int a_PoisonChance = 0) : FoodLevel(a_FoodLevel), Saturation(a_Saturation), PoisonChance(a_PoisonChance) { } } ; /// Returns the FoodInfo for this item. (FoodRecovery, Saturation and PoisionChance) virtual FoodInfo GetFoodInfo(); /// Lets the player eat a selected item. Returns true if the player ate the item virtual bool EatItem(cPlayer *a_Player, cItem *a_Item); /// Indicates if this item is a tool virtual bool IsTool(void); /// Indicates if this item is food virtual bool IsFood(void); /// Blocks simply get placed virtual bool IsPlaceable(void); /** Called before a block is placed into a world. The handler should return true to allow placement, false to refuse. Also, the handler should set a_BlockType and a_BlockMeta to correct values for the newly placed block. */ virtual bool GetPlacementBlockTypeMeta( cWorld * a_World, cPlayer * a_Player, int a_BlockX, int a_BlockY, int a_BlockZ, eBlockFace a_BlockFace, int a_CursorX, int a_CursorY, int a_CursorZ, BLOCKTYPE & a_BlockType, NIBBLETYPE & a_BlockMeta ); /// Returns whether this tool/item can harvest a specific block (e.g. wooden pickaxe can harvest stone, but wood canīt) DEFAULT: False virtual bool CanHarvestBlock(BLOCKTYPE a_BlockType); static cItemHandler * GetItemHandler(int a_ItemType); static cItemHandler * GetItemHandler(const cItem & a_Item) { return GetItemHandler(a_Item.m_ItemType); } static void Deinit(); protected: int m_ItemType; static cItemHandler *CreateItemHandler(int m_ItemType); static cItemHandler * m_ItemHandler[E_ITEM_LAST + 1]; static bool m_HandlerInitialized; //used to detect if the itemhandlers are initialized }; //Short function inline cItemHandler *ItemHandler(int a_ItemType) { return cItemHandler::GetItemHandler(a_ItemType); }