/// Moves items out from this hopper into the destination. Returns true if the contents have changed.
bool cHopperEntity::MoveItemsOut(cChunk & a_Chunk, Int64 a_CurrentTick)
{
if (a_CurrentTick - m_LastMoveItemsOutTick < TICKS_PER_TRANSFER)
{
// Too early after the previous transfer
return false;
}
int bx, by, bz;
NIBBLETYPE Meta = a_Chunk.GetMeta(m_RelX, m_PosY, m_RelZ);
if (!GetOutputBlockPos(Meta, bx, by, bz))
{
// Not attached to another container
return false;
}
if (by < 0)
{
// Cannot output below the zero-th block level
return false;
}
// Convert coords to relative:
int rx = bx - a_Chunk.GetPosX() * cChunkDef::Width;
int rz = bz - a_Chunk.GetPosZ() * cChunkDef::Width;
cChunk * DestChunk = a_Chunk.GetRelNeighborChunkAdjustCoords(rx, rz);
if (DestChunk == NULL)
{
// The destination chunk has been unloaded, don't tick
return false;
}
// Call proper moving function, based on the blocktype present at the coords:
bool res = false;
switch (DestChunk->GetBlock(rx, by, rz))
{
case E_BLOCK_CHEST: res = MoveItemsToChest(*DestChunk, bx, by, bz); break;
case E_BLOCK_FURNACE: res = MoveItemsToFurnace(*DestChunk, bx, by, bz, Meta); break;
case E_BLOCK_DISPENSER:
case E_BLOCK_DROPPER: res = MoveItemsToGrid(((cDropSpenserEntity *)DestChunk->GetBlockEntity(bx, by, bz))->GetContents()); break;
case E_BLOCK_HOPPER: res = MoveItemsToGrid(((cHopperEntity *) DestChunk->GetBlockEntity(bx, by, bz))->GetContents()); break;
case E_BLOCK_LIT_FURNACE: res = MoveItemsToFurnace(*DestChunk, bx, by, bz, Meta); break;
}
// If the item has been moved, reset the last tick:
if (res)
{
m_LastMoveItemsOutTick = a_CurrentTick;
}
return res;
}
/// Moves items to the chest at the specified coords. Returns true if contents have changed
bool cHopperEntity::MoveItemsToChest(cChunk & a_Chunk, int a_BlockX, int a_BlockY, int a_BlockZ)
{
// Try the chest directly connected to the hopper:
if (MoveItemsToGrid(((cChestEntity *)a_Chunk.GetBlockEntity(a_BlockX, a_BlockY, a_BlockZ))->GetContents()))
{
return true;
}
// Check if the chest is a double-chest, if so, try to move into the other half:
static const struct
{
int x, z;
}
Coords [] =
{
{1, 0},
{-1, 0},
{0, 1},
{0, -1},
} ;
for (int i = 0; i < ARRAYCOUNT(Coords); i++)
{
int x = m_RelX + Coords[i].x;
int z = m_RelZ + Coords[i].z;
cChunk * Neighbor = a_Chunk.GetRelNeighborChunkAdjustCoords(x, z);
if (
(Neighbor == NULL) ||
(Neighbor->GetBlock(x, m_PosY + 1, z) != E_BLOCK_CHEST)
)
{
continue;
}
if (MoveItemsToGrid(((cChestEntity *)Neighbor->GetBlockEntity(a_BlockX, a_BlockY, a_BlockZ))->GetContents()))
{
return true;
}
return false;
}
// The chest was single and nothing could be moved
return false;
}
/// Moves items to the chest at the specified coords. Returns true if contents have changed
bool cHopperEntity::MoveItemsToChest(cChunk & a_Chunk, int a_BlockX, int a_BlockY, int a_BlockZ)
{
// Try the chest directly connected to the hopper:
cChestEntity * ConnectedChest = (cChestEntity *)a_Chunk.GetBlockEntity(a_BlockX, a_BlockY, a_BlockZ);
if (ConnectedChest == NULL)
{
LOGWARNING("%s: A chest entity was not found where expected, at {%d, %d, %d}", __FUNCTION__, a_BlockX, a_BlockY, a_BlockZ);
return false;
}
if (MoveItemsToGrid(*ConnectedChest))
{
// Chest block directly connected was not full
return true;
}
// Check if the chest is a double-chest (chest block directly connected was full), if so, try to move into the other half:
static const struct
{
int x, z;
}
Coords [] =
{
{1, 0},
{-1, 0},
{0, 1},
{0, -1},
} ;
int RelX = a_BlockX - a_Chunk.GetPosX() * cChunkDef::Width;
int RelZ = a_BlockZ - a_Chunk.GetPosZ() * cChunkDef::Width;
for (size_t i = 0; i < ARRAYCOUNT(Coords); i++)
{
int x = RelX + Coords[i].x;
int z = RelZ + Coords[i].z;
cChunk * Neighbor = a_Chunk.GetRelNeighborChunkAdjustCoords(x, z);
if (Neighbor == NULL)
{
continue;
}
BLOCKTYPE Block = Neighbor->GetBlock(x, a_BlockY, z);
if (Block != ConnectedChest->GetBlockType())
{
// Not the same kind of chest
continue;
}
cChestEntity * Chest = (cChestEntity *)Neighbor->GetBlockEntity(a_BlockX + Coords[i].x, a_BlockY, a_BlockZ + Coords[i].z);
if (Chest == NULL)
{
LOGWARNING("%s: A chest entity was not found where expected, at {%d, %d, %d} (%d, %d)", __FUNCTION__, a_BlockX + Coords[i].x, a_BlockY, a_BlockZ + Coords[i].z, x, z);
continue;
}
if (MoveItemsToGrid(*Chest))
{
return true;
}
return false;
}
// The chest was single and nothing could be moved
return false;
}
/// Moves items out from this hopper into the destination. Returns true if the contents have changed.
bool cHopperEntity::MoveItemsOut(cChunk & a_Chunk, Int64 a_CurrentTick)
{
if (a_CurrentTick - m_LastMoveItemsOutTick < TICKS_PER_TRANSFER)
{
// Too early after the previous transfer
return false;
}
// Get the coords of the block where to output items:
int OutX, OutY, OutZ;
NIBBLETYPE Meta = a_Chunk.GetMeta(m_RelX, m_PosY, m_RelZ);
if (!GetOutputBlockPos(Meta, OutX, OutY, OutZ))
{
// Not attached to another container
return false;
}
if (OutY < 0)
{
// Cannot output below the zero-th block level
return false;
}
// Convert coords to relative:
int OutRelX = OutX - a_Chunk.GetPosX() * cChunkDef::Width;
int OutRelZ = OutZ - a_Chunk.GetPosZ() * cChunkDef::Width;
cChunk * DestChunk = a_Chunk.GetRelNeighborChunkAdjustCoords(OutRelX, OutRelZ);
if (DestChunk == NULL)
{
// The destination chunk has been unloaded, don't tick
return false;
}
// Call proper moving function, based on the blocktype present at the coords:
bool res = false;
switch (DestChunk->GetBlock(OutRelX, OutY, OutRelZ))
{
case E_BLOCK_TRAPPED_CHEST:
case E_BLOCK_CHEST:
{
// Chests have special handling because of double-chests
res = MoveItemsToChest(*DestChunk, OutX, OutY, OutZ);
break;
}
case E_BLOCK_LIT_FURNACE:
case E_BLOCK_FURNACE:
{
// Furnaces have special handling because of the direction-to-slot relation
res = MoveItemsToFurnace(*DestChunk, OutX, OutY, OutZ, Meta);
break;
}
case E_BLOCK_DISPENSER:
case E_BLOCK_DROPPER:
case E_BLOCK_HOPPER:
{
cBlockEntityWithItems * BlockEntity = (cBlockEntityWithItems *)DestChunk->GetBlockEntity(OutX, OutY, OutZ);
if (BlockEntity == NULL)
{
LOGWARNING("%s: A block entity was not found where expected at {%d, %d, %d}", __FUNCTION__, OutX, OutY, OutZ);
return false;
}
res = MoveItemsToGrid(*BlockEntity);
break;
}
}
// If the item has been moved, reset the last tick:
if (res)
{
m_LastMoveItemsOutTick = a_CurrentTick;
}
return res;
}
