/// Moves one piece of the specified a_Entity's slot itemstack into this hopper. Returns true if contents have changed. Doesn't change the itemstack.
bool cHopperEntity::MoveItemsFromSlot(cBlockEntityWithItems & a_Entity, int a_SlotNum, bool a_AllowNewStacks)
{
cItem One(a_Entity.GetSlot(a_SlotNum).CopyOne());
for (int i = 0; i < ContentsWidth * ContentsHeight; i++)
{
if (m_Contents.IsSlotEmpty(i))
{
if (a_AllowNewStacks)
{
if (cPluginManager::Get()->CallHookHopperPullingItem(*m_World, *this, i, a_Entity, a_SlotNum))
{
// Plugin disagrees with the move
continue;
}
}
m_Contents.SetSlot(i, One);
return true;
}
else if (m_Contents.GetSlot(i).IsEqual(One))
{
if (cPluginManager::Get()->CallHookHopperPullingItem(*m_World, *this, i, a_Entity, a_SlotNum))
{
// Plugin disagrees with the move
continue;
}
m_Contents.ChangeSlotCount(i, 1);
return true;
}
}
return false;
}
bool cHopperEntity::MoveItemsFromSlot(cBlockEntityWithItems & a_Entity, int a_SlotNum)
{
cItem One(a_Entity.GetSlot(a_SlotNum).CopyOne());
for (int i = 0; i < ContentsWidth * ContentsHeight; i++)
{
if (m_Contents.IsSlotEmpty(i))
{
if (cPluginManager::Get()->CallHookHopperPullingItem(*m_World, *this, i, a_Entity, a_SlotNum))
{
// Plugin disagrees with the move
continue;
}
m_Contents.SetSlot(i, One);
return true;
}
else if (m_Contents.GetSlot(i).IsEqual(One))
{
if (cPluginManager::Get()->CallHookHopperPullingItem(*m_World, *this, i, a_Entity, a_SlotNum))
{
// Plugin disagrees with the move
continue;
}
auto PreviousCount = m_Contents.GetSlot(i).m_ItemCount;
m_Contents.ChangeSlotCount(i, 1);
if (PreviousCount + 1 == m_Contents.GetSlot(i).m_ItemCount)
{
// Successfully added a new item. (Failure condition consistutes: stack full)
return true;
}
}
}
return false;
}