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cuberite-2a/source/Items/ItemHandler.h
madmaxoft@gmail.com 43e6840719 Merged branch "branches/hooks" into "trunk".
git-svn-id: http://mc-server.googlecode.com/svn/trunk@1139 0a769ca7-a7f5-676a-18bf-c427514a06d6
2013-01-12 04:46:01 +00:00

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#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. Return false to make the item unusable. DEFAULT: False
virtual bool OnItemUse(cWorld *a_World, cPlayer *a_Player, cItem *a_Item, int a_BlockX, int a_BlockY, int a_BlockZ, char a_Dir); //eg for fishing or hoes
/// Called while the player diggs a block using this item
virtual bool OnDiggingBlock(cWorld * a_World, cPlayer * a_Player, cItem * a_HeldItem, int a_BlockX, int a_BlockY, int a_BlockZ, char 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, 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
{
FoodInfo(short a_FoodLevel, float a_Saturation, char a_PoisionChance = 0)
{
FoodLevel = a_FoodLevel;
Saturation = a_Saturation;
PoisionChance = a_PoisionChance;
}
short FoodLevel;
float Saturation;
char PoisionChance; //0 - 100
};
/// 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, char 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 can<61>t) 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[2268];
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); }