BlockEntityWithItems.cpp

Go to the documentation of this file.

// BlockEntityWithItems.cpp

#include "Globals.h"
#include "BlockEntityWithItems.h"
#include "../Simulator/RedstoneSimulator.h"





cBlockEntityWithItems::cBlockEntityWithItems(
    BLOCKTYPE a_BlockType,
    NIBBLETYPE a_BlockMeta,
    Vector3i a_Pos,
    int a_ItemGridWidth, int a_ItemGridHeight,
    cWorld * a_World
):
    super(a_BlockType, a_BlockMeta, a_Pos, a_World),
    cBlockEntityWindowOwner(this),
    m_Contents(a_ItemGridWidth, a_ItemGridHeight)
{
    m_Contents.AddListener(*this);
}





void cBlockEntityWithItems::Destroy(void)
{
    // Drop the contents as pickups:
    ASSERT(m_World != nullptr);
    cItems Pickups;
    m_Contents.CopyToItems(Pickups);
    m_Contents.Clear();
    m_World->SpawnItemPickups(Pickups, m_Pos.x + 0.5, m_Pos.y + 0.5, m_Pos.z + 0.5);  // Spawn in centre of block
}





void cBlockEntityWithItems::CopyFrom(const cBlockEntity & a_Src)
{
    super::CopyFrom(a_Src);
    auto & src = static_cast<const cBlockEntityWithItems &>(a_Src);
    m_Contents.CopyFrom(src.m_Contents);
}





void cBlockEntityWithItems::OnSlotChanged(cItemGrid * a_Grid, int a_SlotNum)
{
    UNUSED(a_SlotNum);
    ASSERT(a_Grid == &m_Contents);
    if (m_World != nullptr)
    {
        if (GetWindow() != nullptr)
        {
            GetWindow()->BroadcastWholeWindow();
        }

        m_World->MarkChunkDirty(GetChunkX(), GetChunkZ());
        m_World->DoWithChunkAt(m_Pos, [&](cChunk & a_Chunk)
            {
                m_World->GetRedstoneSimulator()->WakeUp(m_Pos, &a_Chunk);
                return true;
            }
        );
    }
}