mcserver/source/Items/ItemBow.h

81 lines
1.5 KiB
C++

// ItemBow.h
// Declares the cItemBowHandler class representing the itemhandler for bows
#pragma once
#include "../Entities/ProjectileEntity.h"
class cItemBowHandler :
public cItemHandler
{
typedef cItemHandler super;
public:
cItemBowHandler(void) :
super(E_ITEM_BOW)
{
}
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) override
{
ASSERT(a_Player != NULL);
// Check if the player has an arrow in the inventory, or is in Creative:
if (!(a_Player->IsGameModeCreative() || a_Player->GetInventory().HasItems(cItem(E_ITEM_ARROW))))
{
return false;
}
a_Player->StartChargingBow();
return true;
}
virtual void OnItemShoot(cPlayer * a_Player, int a_BlockX, int a_BlockY, int a_BlockZ, char a_BlockFace) override
{
// Actual shot - produce the arrow with speed based on the ticks that the bow was charged
ASSERT(a_Player != NULL);
int BowCharge = a_Player->FinishChargingBow();
double Force = (double)BowCharge / 20;
Force = (Force * Force + 2 * Force) / 3; // This formula is used by the 1.6.2 client
if (Force < 0.1)
{
// Too little force, ignore the shot
return;
}
if (Force > 1)
{
Force = 1;
}
// Create the arrow entity:
cArrowEntity * Arrow = new cArrowEntity(*a_Player, Force * 2);
if (Arrow == NULL)
{
return;
}
if (!Arrow->Initialize(a_Player->GetWorld()))
{
delete Arrow;
return;
}
a_Player->GetWorld()->BroadcastSpawnEntity(*Arrow);
}
} ;