/// 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; }