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cuberite-2a/source/Items/ItemHandler.cpp
Tiger Wang 6ff6929ca6 General fixes [SEE DESC] 
* Fixed faulty block face enumeration and functions
+ Added fireworks and exp bottle spawning
* Fixed arrows again
2013-11-16 20:58:17 +00:00

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#include "Globals.h"
#include "ItemHandler.h"
#include "../Item.h"
#include "../World.h"
#include "../Entities/Player.h"
#include "../FastRandom.h"
// Handlers:
#include "ItemBed.h"
#include "ItemBoat.h"
#include "ItemBow.h"
#include "ItemBrewingStand.h"
#include "ItemBucket.h"
#include "ItemCauldron.h"
#include "ItemCloth.h"
#include "ItemComparator.h"
#include "ItemDoor.h"
#include "ItemDye.h"
#include "ItemFlowerPot.h"
#include "ItemFood.h"
#include "ItemHoe.h"
#include "ItemLeaves.h"
#include "ItemLighter.h"
#include "ItemMinecart.h"
#include "ItemPickaxe.h"
#include "ItemThrowable.h"
#include "ItemRedstoneDust.h"
#include "ItemRedstoneRepeater.h"
#include "ItemSapling.h"
#include "ItemSeeds.h"
#include "ItemShears.h"
#include "ItemShovel.h"
#include "ItemSign.h"
#include "ItemSpawnEgg.h"
#include "ItemSugarcane.h"
#include "ItemSword.h"
#include "../Blocks/BlockHandler.h"
bool cItemHandler::m_HandlerInitialized = false;
cItemHandler * cItemHandler::m_ItemHandler[2268];
cItemHandler * cItemHandler::GetItemHandler(int a_ItemType)
{
if (a_ItemType < 0)
{
// Either nothing (-1), or bad value, both cases should return the air handler
if (a_ItemType < -1)
{
ASSERT(!"Bad item type");
}
a_ItemType = 0;
}
if (!m_HandlerInitialized)
{
// We need to initialize
memset(m_ItemHandler, 0, sizeof(m_ItemHandler));
m_HandlerInitialized = true;
}
if (m_ItemHandler[a_ItemType] == NULL)
{
m_ItemHandler[a_ItemType] = CreateItemHandler(a_ItemType);
}
return m_ItemHandler[a_ItemType];
}
cItemHandler *cItemHandler::CreateItemHandler(int a_ItemType)
{
switch(a_ItemType)
{
default: return new cItemHandler(a_ItemType);
// Single item per handler, alphabetically sorted:
case E_BLOCK_LEAVES: return new cItemLeavesHandler(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_BOAT: return new cItemBoatHandler(a_ItemType);
case E_ITEM_BOTTLE_O_ENCHANTING: return new cItemBottleOEnchantingHandler();
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_COMPARATOR: return new cItemComparatorHandler(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_FIREWORK_ROCKET: return new cItemFireworkHandler();
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);
case E_ITEM_WOODEN_HOE:
case E_ITEM_STONE_HOE:
case E_ITEM_IRON_HOE:
case E_ITEM_GOLD_HOE:
case E_ITEM_DIAMOND_HOE:
{
return new cItemHoeHandler(a_ItemType);
}
case E_ITEM_WOODEN_PICKAXE:
case E_ITEM_STONE_PICKAXE:
case E_ITEM_IRON_PICKAXE:
case E_ITEM_GOLD_PICKAXE:
case E_ITEM_DIAMOND_PICKAXE:
{
return new cItemPickaxeHandler(a_ItemType);
}
case E_ITEM_WOODEN_SHOVEL:
case E_ITEM_STONE_SHOVEL:
case E_ITEM_IRON_SHOVEL:
case E_ITEM_GOLD_SHOVEL:
case E_ITEM_DIAMOND_SHOVEL:
{
return new cItemShovelHandler(a_ItemType);
}
case E_ITEM_WOODEN_SWORD:
case E_ITEM_STONE_SWORD:
case E_ITEM_IRON_SWORD:
case E_ITEM_GOLD_SWORD:
case E_ITEM_DIAMOND_SWORD:
{
return new cItemSwordHandler(a_ItemType);
}
case E_ITEM_BUCKET:
case E_ITEM_WATER_BUCKET:
case E_ITEM_LAVA_BUCKET:
{
return new cItemBucketHandler(a_ItemType);
}
case E_ITEM_CARROT:
case E_ITEM_MELON_SEEDS:
case E_ITEM_POTATO:
case E_ITEM_PUMPKIN_SEEDS:
case E_ITEM_SEEDS:
{
return new cItemSeedsHandler(a_ItemType);
}
case E_ITEM_IRON_DOOR:
case E_ITEM_WOODEN_DOOR:
{
return new cItemDoorHandler(a_ItemType);
}
case E_ITEM_MINECART:
case E_ITEM_CHEST_MINECART:
case E_ITEM_FURNACE_MINECART:
case E_ITEM_MINECART_WITH_TNT:
case E_ITEM_MINECART_WITH_HOPPER:
{
return new cItemMinecartHandler(a_ItemType);
}
// Food:
case E_ITEM_BREAD:
case E_ITEM_COOKIE:
case E_ITEM_MELON_SLICE:
case E_ITEM_RAW_CHICKEN:
case E_ITEM_COOKED_CHICKEN:
case E_ITEM_RAW_BEEF:
case E_ITEM_RAW_PORKCHOP:
case E_ITEM_STEAK:
case E_ITEM_COOKED_PORKCHOP:
case E_ITEM_RAW_FISH:
case E_ITEM_COOKED_FISH:
case E_ITEM_RED_APPLE:
case E_ITEM_GOLDEN_APPLE:
case E_ITEM_ROTTEN_FLESH:
case E_ITEM_MUSHROOM_SOUP:
case E_ITEM_SPIDER_EYE:
{
return new cItemFoodHandler(a_ItemType);
}
}
}
void cItemHandler::Deinit()
{
for(int i = 0; i < 2267; i++)
{
delete m_ItemHandler[i];
}
memset(m_ItemHandler, 0, sizeof(m_ItemHandler)); // Don't leave any dangling pointers around, just in case
m_HandlerInitialized = false;
}
cItemHandler::cItemHandler(int a_ItemType)
{
m_ItemType = a_ItemType;
}
bool cItemHandler::OnItemUse(cWorld * a_World, cPlayer * a_Player, const cItem & a_Item, int a_BlockX, int a_BlockY, int a_BlockZ, char a_Dir)
{
return false;
}
bool cItemHandler::OnDiggingBlock(cWorld * a_World, cPlayer * a_Player, const cItem & a_Item, int a_BlockX, int a_BlockY, int a_BlockZ, char a_Dir)
{
return false;
}
void cItemHandler::OnBlockDestroyed(cWorld * a_World, cPlayer * a_Player, const cItem & a_Item, int a_BlockX, int a_BlockY, int a_BlockZ)
{
BLOCKTYPE Block = a_World->GetBlock(a_BlockX, a_BlockY, a_BlockZ);
cBlockHandler * Handler = cBlockHandler::GetBlockHandler(Block);
if (a_Player->IsGameModeSurvival())
{
if (!BlockRequiresSpecialTool(Block) || CanHarvestBlock(Block))
{
Handler->DropBlock(a_World, a_Player, a_BlockX, a_BlockY, a_BlockZ);
}
}
a_Player->UseEquippedItem();
}
void cItemHandler::OnFoodEaten(cWorld * a_World, cPlayer * a_Player, cItem * a_Item)
{
}
char cItemHandler::GetMaxStackSize(void)
{
if (m_ItemType < 256)
{
// All blocks can stack up to 64
return 64;
}
switch (m_ItemType) //sorted by id
{
case E_ITEM_ARROW: return 64;
case E_ITEM_BAKED_POTATO: return 64;
case E_ITEM_BLAZE_POWDER: return 64;
case E_ITEM_BLAZE_ROD: return 64;
case E_ITEM_BONE: return 64;
case E_ITEM_BOOK: return 64;
case E_ITEM_BOTTLE_O_ENCHANTING: return 64;
case E_ITEM_BOWL: return 64;
case E_ITEM_BREAD: return 64;
case E_ITEM_BREWING_STAND: return 64;
case E_ITEM_BUCKET: return 1; // TODO: change this to 16 when turning compatibility to 1.3
case E_ITEM_CARROT: return 64;
case E_ITEM_CAULDRON: return 64;
case E_ITEM_CLAY: return 64;
case E_ITEM_CLAY_BRICK: return 64;
case E_ITEM_CLOCK: return 64;
case E_ITEM_COAL: return 64;
case E_ITEM_COMPARATOR: return 64;
case E_ITEM_COMPASS: return 64;
case E_ITEM_COOKED_CHICKEN: return 64;
case E_ITEM_COOKED_FISH: return 64;
case E_ITEM_COOKED_PORKCHOP: return 64;
case E_ITEM_COOKIE: return 64;
case E_ITEM_DIAMOND: return 64;
case E_ITEM_DYE: return 64;
case E_ITEM_EGG: return 16;
case E_ITEM_EMERALD: return 64;
case E_ITEM_ENDER_PEARL: return 16;
case E_ITEM_EYE_OF_ENDER: return 64;
case E_ITEM_FEATHER: return 64;
case E_ITEM_FERMENTED_SPIDER_EYE: return 64;
case E_ITEM_FIRE_CHARGE: return 64;
case E_ITEM_FIREWORK_ROCKET: return 64;
case E_ITEM_FIREWORK_STAR: return 64;
case E_ITEM_FLINT: return 64;
case E_ITEM_FLOWER_POT: return 64;
case E_ITEM_GHAST_TEAR: return 64;
case E_ITEM_GLASS_BOTTLE: return 64;
case E_ITEM_GLISTERING_MELON: return 64;
case E_ITEM_GLOWSTONE_DUST: return 64;
case E_ITEM_GOLD: return 64;
case E_ITEM_GOLDEN_APPLE: return 64;
case E_ITEM_GOLDEN_CARROT: return 64;
case E_ITEM_GOLD_NUGGET: return 64;
case E_ITEM_GUNPOWDER: return 64;
case E_ITEM_HEAD: return 64;
case E_ITEM_IRON: return 64;
case E_ITEM_LEATHER: return 64;
case E_ITEM_MAGMA_CREAM: return 64;
case E_ITEM_MAP: return 64;
case E_ITEM_MELON_SEEDS: return 64;
case E_ITEM_MELON_SLICE: return 64;
case E_ITEM_NETHER_BRICK: return 64;
case E_ITEM_NETHER_WART: return 64;
case E_ITEM_PAINTINGS: return 64;
case E_ITEM_PAPER: return 64;
case E_ITEM_POISONOUS_POTATO: return 64;
case E_ITEM_POTATO: return 64;
case E_ITEM_PUMPKIN_PIE: return 64;
case E_ITEM_PUMPKIN_SEEDS: return 64;
case E_ITEM_RAW_BEEF: return 64;
case E_ITEM_RAW_CHICKEN: return 64;
case E_ITEM_RAW_FISH: return 64;
case E_ITEM_RAW_PORKCHOP: return 64;
case E_ITEM_RED_APPLE: return 64;
case E_ITEM_REDSTONE_DUST: return 64;
case E_ITEM_REDSTONE_REPEATER: return 64;
case E_ITEM_ROTTEN_FLESH: return 64;
case E_ITEM_SEEDS: return 64;
case E_ITEM_SIGN: return 16;
case E_ITEM_SLIMEBALL: return 64;
case E_ITEM_SNOWBALL: return 16;
case E_ITEM_SPAWN_EGG: return 64;
case E_ITEM_SPIDER_EYE: return 64;
case E_ITEM_STEAK: return 64;
case E_ITEM_STICK: return 64;
case E_ITEM_STRING: return 64;
case E_ITEM_SUGAR: return 64;
case E_ITEM_SUGAR_CANE: return 64;
case E_ITEM_WHEAT: return 64;
}
// By default items don't stack:
return 1;
}
bool cItemHandler::IsTool()
{
// TODO: Rewrite this to list all tools specifically
return
(m_ItemType >= 256 && m_ItemType <= 259)
|| (m_ItemType == 261)
|| (m_ItemType >= 267 && m_ItemType <= 279)
|| (m_ItemType >= 283 && m_ItemType <= 286)
|| (m_ItemType >= 290 && m_ItemType <= 294)
|| (m_ItemType >= 256 && m_ItemType <= 259)
|| (m_ItemType == 325)
|| (m_ItemType == 346);
}
bool cItemHandler::IsFood(void)
{
switch (m_ItemType)
{
case E_ITEM_RED_APPLE:
case E_ITEM_GOLDEN_APPLE:
case E_ITEM_MUSHROOM_SOUP:
case E_ITEM_BREAD:
case E_ITEM_RAW_PORKCHOP:
case E_ITEM_COOKED_PORKCHOP:
case E_ITEM_MILK:
case E_ITEM_RAW_FISH:
case E_ITEM_COOKED_FISH:
case E_ITEM_COOKIE:
case E_ITEM_MELON_SLICE:
case E_ITEM_RAW_BEEF:
case E_ITEM_STEAK:
case E_ITEM_RAW_CHICKEN:
case E_ITEM_COOKED_CHICKEN:
case E_ITEM_ROTTEN_FLESH:
case E_ITEM_SPIDER_EYE:
case E_ITEM_CARROT:
case E_ITEM_POTATO:
case E_ITEM_BAKED_POTATO:
case E_ITEM_POISONOUS_POTATO:
{
return true;
}
} // switch (m_ItemType)
return false;
}
bool cItemHandler::IsPlaceable(void)
{
// We can place any block that has a corresponding E_BLOCK_TYPE:
return (m_ItemType >= 1) && (m_ItemType <= E_BLOCK_MAX_TYPE_ID);
}
bool cItemHandler::CanHarvestBlock(BLOCKTYPE a_BlockType)
{
return false;
}
bool cItemHandler::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
)
{
ASSERT(m_ItemType < 256); // Items with IDs above 255 should all be handled by specific handlers
if (m_ItemType > 256)
{
LOGERROR("%s: Item %d has no valid block!", __FUNCTION__, m_ItemType);
return false;
}
cBlockHandler * BlockH = BlockHandler(m_ItemType);
return BlockH->GetPlacementBlockTypeMeta(
a_World, a_Player,
a_BlockX, a_BlockY, a_BlockZ, a_BlockFace,
a_CursorX, a_CursorY, a_CursorZ,
a_BlockType, a_BlockMeta
);
}
bool cItemHandler::EatItem(cPlayer * a_Player, cItem * a_Item)
{
FoodInfo Info = GetFoodInfo();
if ((Info.FoodLevel > 0) || (Info.Saturation > 0.f))
{
bool Success = a_Player->Feed(Info.FoodLevel, Info.Saturation);
// If consumed and there's chance of foodpoisoning, do it:
if (Success && (Info.PoisonChance > 0))
{
cFastRandom r1;
if ((r1.NextInt(100, a_Player->GetUniqueID()) - Info.PoisonChance) <= 0)
{
a_Player->FoodPoison(300);
}
}
return Success;
}
return false;
}
cItemHandler::FoodInfo cItemHandler::GetFoodInfo()
{
return FoodInfo(0, 0.f);
}
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