#pragma once
#include "ItemHandler.h"
#include "../World.h"
#include "../Simulator/FluidSimulator.h"
#include "../Blocks/BlockHandler.h"
class cItemBucketHandler :
public cItemHandler
{
public:
cItemBucketHandler(int a_ItemType) :
cItemHandler(a_ItemType)
{
}
virtual bool OnItemUse(cWorld * a_World, cPlayer * a_Player, cItem * a_Item, int a_BlockX, int a_BlockY, int a_BlockZ, char a_Dir) override
{
switch (m_ItemType)
{
case E_ITEM_BUCKET: return ScoopUpFluid(a_World, a_Player, a_Item, a_BlockX, a_BlockY, a_BlockZ, a_Dir);
case E_ITEM_LAVA_BUCKET: return PlaceFluid (a_World, a_Player, a_Item, a_BlockX, a_BlockY, a_BlockZ, a_Dir, E_BLOCK_LAVA);
case E_ITEM_WATER_BUCKET: return PlaceFluid (a_World, a_Player, a_Item, a_BlockX, a_BlockY, a_BlockZ, a_Dir, E_BLOCK_WATER);
default:
{
ASSERT(!"Unhandled ItemType");
return false;
}
}
}
bool ScoopUpFluid(cWorld * a_World, cPlayer * a_Player, cItem * a_Item, int a_BlockX, int a_BlockY, int a_BlockZ, char a_Dir)
{
if (a_Dir < 0)
{
return false;
}
AddDirection(a_BlockX, a_BlockY, a_BlockZ, a_Dir);
BLOCKTYPE ClickedBlock;
NIBBLETYPE ClickedMeta;
a_World->GetBlockTypeMeta(a_BlockX, a_BlockY, a_BlockZ, ClickedBlock, ClickedMeta);
LOGD("Bucket Clicked BlockType %d, meta %d", ClickedBlock, ClickedMeta);
if (ClickedMeta != 0)
{
// Not a source block
return false;
}
if (a_Player->GetGameMode() == eGameMode_Creative)
{
// In creative mode don't modify the inventory, just remove the fluid:
a_World->SetBlock(a_BlockX, a_BlockY, a_BlockZ, E_BLOCK_AIR, 0);
return true;
}
ENUM_ITEM_ID NewItem = E_ITEM_EMPTY;
switch (ClickedBlock)
{
case E_BLOCK_WATER:
case E_BLOCK_STATIONARY_WATER:
{
NewItem = E_ITEM_WATER_BUCKET;
break;
}
case E_BLOCK_LAVA:
case E_BLOCK_STATIONARY_LAVA:
{
NewItem = E_ITEM_LAVA_BUCKET;
break;
}
default: return false;
}
// Remove the bucket from the inventory
cItem Item(a_Item->m_ItemType, 1);
if (!a_Player->GetInventory().RemoveItem(Item))
{
LOG("Clicked with an empty bucket, but cannot remove one from the inventory? WTF?");
ASSERT(!"Inventory bucket mismatch");
return true;
}
// Give new bucket, filled with fluid:
Item.m_ItemType = NewItem;
Item.m_ItemCount = 1;
a_Player->GetInventory().AddItem(Item);
// Remove water / lava block
a_Player->GetWorld()->SetBlock(a_BlockX, a_BlockY, a_BlockZ, E_BLOCK_AIR, 0);
return true;
}
bool PlaceFluid(cWorld * a_World, cPlayer * a_Player, cItem * a_Item, int a_BlockX, int a_BlockY, int a_BlockZ, char a_Dir, BLOCKTYPE a_FluidBlock)
{
if (a_Dir < 0)
{
return false;
}
BLOCKTYPE CurrentBlock = a_World->GetBlock(a_BlockX, a_BlockY, a_BlockZ);
bool CanWashAway = cFluidSimulator::CanWashAway(CurrentBlock);
if (!CanWashAway)
{
// The block pointed at cannot be washed away, so put fluid on top of it / on its sides
AddDirection(a_BlockX, a_BlockY, a_BlockZ, a_Dir);
CurrentBlock = a_World->GetBlock(a_BlockX, a_BlockY, a_BlockZ);
}
if (
!CanWashAway &&
(CurrentBlock != E_BLOCK_AIR) &&
(CurrentBlock != E_BLOCK_WATER) &&
(CurrentBlock != E_BLOCK_STATIONARY_WATER) &&
(CurrentBlock != E_BLOCK_LAVA) &&
(CurrentBlock != E_BLOCK_STATIONARY_LAVA)
)
{
// Cannot place water here
return false;
}
if (a_Player->GetGameMode() != eGameMode_Creative)
{
// Remove fluid bucket, add empty bucket:
cItem Item(a_Item->m_ItemType, 1);
if (!a_Player->GetInventory().RemoveItem(Item))
{
LOG("Clicked with a full bucket, but cannot remove one from the inventory? WTF?");
ASSERT(!"Inventory bucket mismatch");
return false;
}
Item.m_ItemType = E_ITEM_BUCKET;
Item.m_ItemCount = 1;
if (!a_Player->GetInventory().AddItem(Item))
{
return false;
}
}
// Wash away anything that was there prior to placing:
if (CanWashAway)
{
cBlockHandler * Handler = BlockHandler(CurrentBlock);
if (Handler->DoesDropOnUnsuitable())
{
Handler->DropBlock(a_World, a_BlockX, a_BlockY, a_BlockZ);
}
}
a_World->SetBlock(a_BlockX, a_BlockY, a_BlockZ, a_FluidBlock, 0);
return true;
}
};
