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