cBlockEntity * cChunkDesc::GetBlockEntity(int a_RelX, int a_RelY, int a_RelZ)
{
auto Idx = cChunkDef::MakeIndex(a_RelX, a_RelY, a_RelZ);
auto itr = m_BlockEntities.find(Idx);
if (itr != m_BlockEntities.end())
{
// Already in the list:
cBlockEntity * BlockEntity = itr->second;
if (BlockEntity->GetBlockType() == GetBlockType(a_RelX, a_RelY, a_RelZ))
{
// Correct type, already present. Return it:
return BlockEntity;
}
else
{
// Wrong type, the block type has been overwritten. Erase and create new:
m_BlockEntities.erase(itr);
}
}
int AbsX = a_RelX + m_ChunkX * cChunkDef::Width;
int AbsZ = a_RelZ + m_ChunkZ * cChunkDef::Width;
// The block entity is not created yet, try to create it and add to list:
cBlockEntity * be = cBlockEntity::CreateByBlockType(GetBlockType(a_RelX, a_RelY, a_RelZ), GetBlockMeta(a_RelX, a_RelY, a_RelZ), AbsX, a_RelY, AbsZ);
if (be == nullptr)
{
// No block entity for this block type
return nullptr;
}
m_BlockEntities.insert({ Idx, be });
return be;
}
cBlockEntity * cChunkDesc::GetBlockEntity(int a_RelX, int a_RelY, int a_RelZ)
{
int AbsX = a_RelX + m_ChunkX * cChunkDef::Width;
int AbsZ = a_RelZ + m_ChunkZ * cChunkDef::Width;
for (cBlockEntityList::iterator itr = m_BlockEntities.begin(), end = m_BlockEntities.end(); itr != end; ++itr)
{
if (((*itr)->GetPosX() == AbsX) && ((*itr)->GetPosY() == a_RelY) && ((*itr)->GetPosZ() == AbsZ))
{
// Already in the list:
if ((*itr)->GetBlockType() != GetBlockType(a_RelX, a_RelY, a_RelZ))
{
// Wrong type, the block type has been overwritten. Erase and create new:
m_BlockEntities.erase(itr);
break;
}
// Correct type, already present. Return it:
return *itr;
}
} // for itr - m_BlockEntities[]
// The block entity is not created yet, try to create it and add to list:
cBlockEntity * be = cBlockEntity::CreateByBlockType(GetBlockType(a_RelX, a_RelY, a_RelZ), GetBlockMeta(a_RelX, a_RelY, a_RelZ), AbsX, a_RelY, AbsZ);
if (be == NULL)
{
// No block entity for this block type
return NULL;
}
m_BlockEntities.push_back(be);
return be;
}
