From 53e22b11857fed62e2313d6d84d90f88ed412ffb Mon Sep 17 00:00:00 2001 From: Alexander Harkness Date: Mon, 29 Jul 2013 12:13:03 +0100 Subject: Changed everyting to Unix line endings. --- source/BlockEntities/HopperEntity.cpp | 1046 ++++++++++++++++----------------- 1 file changed, 523 insertions(+), 523 deletions(-) (limited to 'source/BlockEntities/HopperEntity.cpp') diff --git a/source/BlockEntities/HopperEntity.cpp b/source/BlockEntities/HopperEntity.cpp index 3fadf727c..23e4b8096 100644 --- a/source/BlockEntities/HopperEntity.cpp +++ b/source/BlockEntities/HopperEntity.cpp @@ -1,523 +1,523 @@ - -// HopperEntity.cpp - -// Implements the cHopperEntity representing a hopper block entity - -#include "Globals.h" -#include "HopperEntity.h" -#include "../Chunk.h" -#include "../Player.h" -#include "ChestEntity.h" -#include "DropSpenserEntity.h" -#include "FurnaceEntity.h" - - - - - -cHopperEntity::cHopperEntity(int a_BlockX, int a_BlockY, int a_BlockZ) : - super(E_BLOCK_HOPPER, a_BlockX, a_BlockY, a_BlockZ, ContentsWidth, ContentsHeight, NULL), - m_LastMoveItemsInTick(0), - m_LastMoveItemsOutTick(0) -{ -} - - - - - -cHopperEntity::cHopperEntity(int a_BlockX, int a_BlockY, int a_BlockZ, cWorld * a_World) : - super(E_BLOCK_HOPPER, a_BlockX, a_BlockY, a_BlockZ, ContentsWidth, ContentsHeight, a_World), - m_LastMoveItemsInTick(0), - m_LastMoveItemsOutTick(0) -{ -} - - - - - -/** Returns the block coords of the block receiving the output items, based on the meta -Returns false if unattached -*/ -bool cHopperEntity::GetOutputBlockPos(NIBBLETYPE a_BlockMeta, int & a_OutputX, int & a_OutputY, int & a_OutputZ) -{ - a_OutputX = m_PosX; - a_OutputY = m_PosY; - a_OutputZ = m_PosZ; - switch (a_BlockMeta) - { - case E_META_HOPPER_FACING_XM: a_OutputX--; return true; - case E_META_HOPPER_FACING_XP: a_OutputX++; return true; - case E_META_HOPPER_FACING_YM: a_OutputY--; return true; - case E_META_HOPPER_FACING_ZM: a_OutputZ--; return true; - case E_META_HOPPER_FACING_ZP: a_OutputZ++; return true; - default: - { - // Not attached - return false; - } - } -} - - - - - -bool cHopperEntity::Tick(float a_Dt, cChunk & a_Chunk) -{ - Int64 CurrentTick = a_Chunk.GetWorld()->GetWorldAge(); - - bool res = false; - res = MoveItemsIn (a_Chunk, CurrentTick) || res; - res = MovePickupsIn(a_Chunk, CurrentTick) || res; - res = MoveItemsOut (a_Chunk, CurrentTick) || res; - return res; -} - - - - - -void cHopperEntity::SaveToJson(Json::Value & a_Value) -{ - // TODO - LOGWARNING("%s: Not implemented yet", __FUNCTION__); -} - - - - - -void cHopperEntity::SendTo(cClientHandle & a_Client) -{ - // The hopper entity doesn't need anything sent to the client when it's created / gets in the viewdistance - // All the actual handling is in the cWindow UI code that gets called when the hopper is rclked - - UNUSED(a_Client); -} - - - - - -void cHopperEntity::UsedBy(cPlayer * a_Player) -{ - // If the window is not created, open it anew: - cWindow * Window = GetWindow(); - if (Window == NULL) - { - OpenNewWindow(); - Window = GetWindow(); - } - - // Open the window for the player: - if (Window != NULL) - { - if (a_Player->GetWindow() != Window) - { - a_Player->OpenWindow(Window); - } - } - - // This is rather a hack - // Instead of marking the chunk as dirty upon chest contents change, we mark it dirty now - // We cannot properly detect contents change, but such a change doesn't happen without a player opening the chest first. - // The few false positives aren't much to worry about - int ChunkX, ChunkZ; - cChunkDef::BlockToChunk(m_PosX, m_PosY, m_PosZ, ChunkX, ChunkZ); - m_World->MarkChunkDirty(ChunkX, ChunkZ); -} - - - - - -/// Opens a new window UI for this hopper -void cHopperEntity::OpenNewWindow(void) -{ - OpenWindow(new cHopperWindow(m_PosX, m_PosY, m_PosZ, this)); -} - - - - - -/// Moves items from the container above it into this hopper. Returns true if the contents have changed. -bool cHopperEntity::MoveItemsIn(cChunk & a_Chunk, Int64 a_CurrentTick) -{ - if (m_PosY >= cChunkDef::Height) - { - // This hopper is at the top of the world, no more blocks above - return false; - } - - if (a_CurrentTick - m_LastMoveItemsInTick < TICKS_PER_TRANSFER) - { - // Too early after the previous transfer - return false; - } - - // Try moving an item in: - bool res = false; - switch (a_Chunk.GetBlock(m_RelX, m_PosY + 1, m_RelZ)) - { - case E_BLOCK_CHEST: res = MoveItemsFromChest(a_Chunk); break; - case E_BLOCK_FURNACE: res = MoveItemsFromFurnace(a_Chunk); break; - case E_BLOCK_DISPENSER: - case E_BLOCK_DROPPER: res = MoveItemsFromGrid(((cDropSpenserEntity *)a_Chunk.GetBlockEntity(m_PosX, m_PosY + 1, m_PosZ))->GetContents()); break; - case E_BLOCK_HOPPER: res = MoveItemsFromGrid(((cHopperEntity *) a_Chunk.GetBlockEntity(m_PosX, m_PosY + 1, m_PosZ))->GetContents()); break; - case E_BLOCK_LIT_FURNACE: res = MoveItemsFromFurnace(a_Chunk); break; - } - - // If the item has been moved, reset the last tick: - if (res) - { - m_LastMoveItemsInTick = a_CurrentTick; - } - - return res; -} - - - - - -/// Moves pickups from above this hopper into it. Returns true if the contents have changed. -bool cHopperEntity::MovePickupsIn(cChunk & a_Chunk, Int64 a_CurrentTick) -{ - // TODO - 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; - } - - 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 from a chest (dblchest) above the hopper into this hopper. Returns true if contents have changed. -bool cHopperEntity::MoveItemsFromChest(cChunk & a_Chunk) -{ - if (MoveItemsFromGrid(((cChestEntity *)a_Chunk.GetBlockEntity(m_PosX, m_PosY + 1, m_PosZ))->GetContents())) - { - // Moved the item from the chest directly above the hopper - return true; - } - - // Check if the chest is a double-chest, if so, try to move from there: - 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 (MoveItemsFromGrid(((cChestEntity *)Neighbor->GetBlockEntity(x, m_PosY, z))->GetContents())) - { - return true; - } - return false; - } - - // The chest was single and nothing could be moved - return false; -} - - - - - -/// Moves items from a furnace above the hopper into this hopper. Returns true if contents have changed. -bool cHopperEntity::MoveItemsFromFurnace(cChunk & a_Chunk) -{ - cFurnaceEntity * Furnace = (cFurnaceEntity *)a_Chunk.GetBlockEntity(m_PosX, m_PosY + 1, m_PosZ); - ASSERT(Furnace != NULL); - - // Try move from the output slot: - if (MoveItemsFromSlot(Furnace->GetOutputSlot(), true)) - { - cItem NewOutput(Furnace->GetOutputSlot()); - Furnace->SetOutputSlot(NewOutput.AddCount(-1)); - return true; - } - - // No output moved, check if we can move an empty bucket out of the fuel slot: - if (Furnace->GetFuelSlot().m_ItemType == E_ITEM_BUCKET) - { - if (MoveItemsFromSlot(Furnace->GetFuelSlot(), true)) - { - Furnace->SetFuelSlot(cItem()); - return true; - } - } - - // Nothing can be moved - return false; -} - - - - - -/// Moves items from the specified ItemGrid into this hopper. Returns true if contents have changed. -bool cHopperEntity::MoveItemsFromGrid(cItemGrid & a_Grid) -{ - int NumSlots = a_Grid.GetNumSlots(); - - // First try adding items of types already in the hopper: - for (int i = 0; i < NumSlots; i++) - { - if (a_Grid.IsSlotEmpty(i)) - { - continue; - } - if (MoveItemsFromSlot(a_Grid.GetSlot(i), false)) - { - a_Grid.ChangeSlotCount(i, -1); - return true; - } - } - - // No already existing stack can be topped up, try again with allowing new stacks: - for (int i = 0; i < NumSlots; i++) - { - if (a_Grid.IsSlotEmpty(i)) - { - continue; - } - if (MoveItemsFromSlot(a_Grid.GetSlot(i), true)) - { - a_Grid.ChangeSlotCount(i, -1); - return true; - } - } - return false; -} - - - - - -/// Moves one of the specified itemstack into this hopper. Returns true if contents have changed. Doesn't change the itemstack. -bool cHopperEntity::MoveItemsFromSlot(const cItem & a_ItemStack, bool a_AllowNewStacks) -{ - cItem One(a_ItemStack.CopyOne()); - if (m_Contents.AddItem(One, a_AllowNewStacks) > 0) - { - return true; - } - 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: - 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 furnace at the specified coords. Returns true if contents have changed -bool cHopperEntity::MoveItemsToFurnace(cChunk & a_Chunk, int a_BlockX, int a_BlockY, int a_BlockZ, NIBBLETYPE a_HopperMeta) -{ - cFurnaceEntity * Furnace = (cFurnaceEntity *)a_Chunk.GetBlockEntity(a_BlockX, a_BlockY, a_BlockZ); - if (a_HopperMeta == E_META_HOPPER_FACING_YM) - { - // Feed the input slot of the furnace - return MoveItemsToSlot(Furnace->GetContents(), cFurnaceEntity::fsInput); - } - else - { - // Feed the fuel slot of the furnace - return MoveItemsToSlot(Furnace->GetContents(), cFurnaceEntity::fsFuel); - } - return false; -} - - - - - -/// Moves items to the specified ItemGrid. Returns true if contents have changed -bool cHopperEntity::MoveItemsToGrid(cItemGrid & a_ItemGrid) -{ - // Iterate through our slots, try to move from each one: - for (int i = 0; i < ContentsWidth * ContentsHeight; i++) - { - const cItem & SrcItem = m_Contents.GetSlot(i); - if (SrcItem.IsEmpty()) - { - continue; - } - - cItem ToAdd = SrcItem.CopyOne(); - if (a_ItemGrid.AddItem(ToAdd) > 0) - { - m_Contents.ChangeSlotCount(i, -1); - return true; - } - } - return false; -} - - - - - -/// Moves one piece to the specified ItemGrid's slot. Returns true if contents have changed. -bool cHopperEntity::MoveItemsToSlot(cItemGrid & a_ItemGrid, int a_DestSlotNum) -{ - if (a_ItemGrid.IsSlotEmpty(a_DestSlotNum)) - { - // The slot is empty, move the first non-empty slot from our contents: - for (int i = 0; i < ContentsWidth * ContentsHeight; i++) - { - if (!m_Contents.IsSlotEmpty(i)) - { - a_ItemGrid.SetSlot(a_DestSlotNum, m_Contents.GetSlot(i).CopyOne()); - m_Contents.ChangeSlotCount(i, -1); - return true; - } - } - return false; - } - else - { - // The slot is taken, try to top it up: - const cItem & DestSlot = a_ItemGrid.GetSlot(a_DestSlotNum); - if (DestSlot.IsFullStack()) - { - return false; - } - for (int i = 0; i < ContentsWidth * ContentsHeight; i++) - { - if (m_Contents.GetSlot(i).IsStackableWith(DestSlot)) - { - a_ItemGrid.ChangeSlotCount(a_DestSlotNum, 1); - m_Contents.ChangeSlotCount(i, -1); - return true; - } - } - return false; - } -} - - - - + +// HopperEntity.cpp + +// Implements the cHopperEntity representing a hopper block entity + +#include "Globals.h" +#include "HopperEntity.h" +#include "../Chunk.h" +#include "../Player.h" +#include "ChestEntity.h" +#include "DropSpenserEntity.h" +#include "FurnaceEntity.h" + + + + + +cHopperEntity::cHopperEntity(int a_BlockX, int a_BlockY, int a_BlockZ) : + super(E_BLOCK_HOPPER, a_BlockX, a_BlockY, a_BlockZ, ContentsWidth, ContentsHeight, NULL), + m_LastMoveItemsInTick(0), + m_LastMoveItemsOutTick(0) +{ +} + + + + + +cHopperEntity::cHopperEntity(int a_BlockX, int a_BlockY, int a_BlockZ, cWorld * a_World) : + super(E_BLOCK_HOPPER, a_BlockX, a_BlockY, a_BlockZ, ContentsWidth, ContentsHeight, a_World), + m_LastMoveItemsInTick(0), + m_LastMoveItemsOutTick(0) +{ +} + + + + + +/** Returns the block coords of the block receiving the output items, based on the meta +Returns false if unattached +*/ +bool cHopperEntity::GetOutputBlockPos(NIBBLETYPE a_BlockMeta, int & a_OutputX, int & a_OutputY, int & a_OutputZ) +{ + a_OutputX = m_PosX; + a_OutputY = m_PosY; + a_OutputZ = m_PosZ; + switch (a_BlockMeta) + { + case E_META_HOPPER_FACING_XM: a_OutputX--; return true; + case E_META_HOPPER_FACING_XP: a_OutputX++; return true; + case E_META_HOPPER_FACING_YM: a_OutputY--; return true; + case E_META_HOPPER_FACING_ZM: a_OutputZ--; return true; + case E_META_HOPPER_FACING_ZP: a_OutputZ++; return true; + default: + { + // Not attached + return false; + } + } +} + + + + + +bool cHopperEntity::Tick(float a_Dt, cChunk & a_Chunk) +{ + Int64 CurrentTick = a_Chunk.GetWorld()->GetWorldAge(); + + bool res = false; + res = MoveItemsIn (a_Chunk, CurrentTick) || res; + res = MovePickupsIn(a_Chunk, CurrentTick) || res; + res = MoveItemsOut (a_Chunk, CurrentTick) || res; + return res; +} + + + + + +void cHopperEntity::SaveToJson(Json::Value & a_Value) +{ + // TODO + LOGWARNING("%s: Not implemented yet", __FUNCTION__); +} + + + + + +void cHopperEntity::SendTo(cClientHandle & a_Client) +{ + // The hopper entity doesn't need anything sent to the client when it's created / gets in the viewdistance + // All the actual handling is in the cWindow UI code that gets called when the hopper is rclked + + UNUSED(a_Client); +} + + + + + +void cHopperEntity::UsedBy(cPlayer * a_Player) +{ + // If the window is not created, open it anew: + cWindow * Window = GetWindow(); + if (Window == NULL) + { + OpenNewWindow(); + Window = GetWindow(); + } + + // Open the window for the player: + if (Window != NULL) + { + if (a_Player->GetWindow() != Window) + { + a_Player->OpenWindow(Window); + } + } + + // This is rather a hack + // Instead of marking the chunk as dirty upon chest contents change, we mark it dirty now + // We cannot properly detect contents change, but such a change doesn't happen without a player opening the chest first. + // The few false positives aren't much to worry about + int ChunkX, ChunkZ; + cChunkDef::BlockToChunk(m_PosX, m_PosY, m_PosZ, ChunkX, ChunkZ); + m_World->MarkChunkDirty(ChunkX, ChunkZ); +} + + + + + +/// Opens a new window UI for this hopper +void cHopperEntity::OpenNewWindow(void) +{ + OpenWindow(new cHopperWindow(m_PosX, m_PosY, m_PosZ, this)); +} + + + + + +/// Moves items from the container above it into this hopper. Returns true if the contents have changed. +bool cHopperEntity::MoveItemsIn(cChunk & a_Chunk, Int64 a_CurrentTick) +{ + if (m_PosY >= cChunkDef::Height) + { + // This hopper is at the top of the world, no more blocks above + return false; + } + + if (a_CurrentTick - m_LastMoveItemsInTick < TICKS_PER_TRANSFER) + { + // Too early after the previous transfer + return false; + } + + // Try moving an item in: + bool res = false; + switch (a_Chunk.GetBlock(m_RelX, m_PosY + 1, m_RelZ)) + { + case E_BLOCK_CHEST: res = MoveItemsFromChest(a_Chunk); break; + case E_BLOCK_FURNACE: res = MoveItemsFromFurnace(a_Chunk); break; + case E_BLOCK_DISPENSER: + case E_BLOCK_DROPPER: res = MoveItemsFromGrid(((cDropSpenserEntity *)a_Chunk.GetBlockEntity(m_PosX, m_PosY + 1, m_PosZ))->GetContents()); break; + case E_BLOCK_HOPPER: res = MoveItemsFromGrid(((cHopperEntity *) a_Chunk.GetBlockEntity(m_PosX, m_PosY + 1, m_PosZ))->GetContents()); break; + case E_BLOCK_LIT_FURNACE: res = MoveItemsFromFurnace(a_Chunk); break; + } + + // If the item has been moved, reset the last tick: + if (res) + { + m_LastMoveItemsInTick = a_CurrentTick; + } + + return res; +} + + + + + +/// Moves pickups from above this hopper into it. Returns true if the contents have changed. +bool cHopperEntity::MovePickupsIn(cChunk & a_Chunk, Int64 a_CurrentTick) +{ + // TODO + 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; + } + + 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 from a chest (dblchest) above the hopper into this hopper. Returns true if contents have changed. +bool cHopperEntity::MoveItemsFromChest(cChunk & a_Chunk) +{ + if (MoveItemsFromGrid(((cChestEntity *)a_Chunk.GetBlockEntity(m_PosX, m_PosY + 1, m_PosZ))->GetContents())) + { + // Moved the item from the chest directly above the hopper + return true; + } + + // Check if the chest is a double-chest, if so, try to move from there: + 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 (MoveItemsFromGrid(((cChestEntity *)Neighbor->GetBlockEntity(x, m_PosY, z))->GetContents())) + { + return true; + } + return false; + } + + // The chest was single and nothing could be moved + return false; +} + + + + + +/// Moves items from a furnace above the hopper into this hopper. Returns true if contents have changed. +bool cHopperEntity::MoveItemsFromFurnace(cChunk & a_Chunk) +{ + cFurnaceEntity * Furnace = (cFurnaceEntity *)a_Chunk.GetBlockEntity(m_PosX, m_PosY + 1, m_PosZ); + ASSERT(Furnace != NULL); + + // Try move from the output slot: + if (MoveItemsFromSlot(Furnace->GetOutputSlot(), true)) + { + cItem NewOutput(Furnace->GetOutputSlot()); + Furnace->SetOutputSlot(NewOutput.AddCount(-1)); + return true; + } + + // No output moved, check if we can move an empty bucket out of the fuel slot: + if (Furnace->GetFuelSlot().m_ItemType == E_ITEM_BUCKET) + { + if (MoveItemsFromSlot(Furnace->GetFuelSlot(), true)) + { + Furnace->SetFuelSlot(cItem()); + return true; + } + } + + // Nothing can be moved + return false; +} + + + + + +/// Moves items from the specified ItemGrid into this hopper. Returns true if contents have changed. +bool cHopperEntity::MoveItemsFromGrid(cItemGrid & a_Grid) +{ + int NumSlots = a_Grid.GetNumSlots(); + + // First try adding items of types already in the hopper: + for (int i = 0; i < NumSlots; i++) + { + if (a_Grid.IsSlotEmpty(i)) + { + continue; + } + if (MoveItemsFromSlot(a_Grid.GetSlot(i), false)) + { + a_Grid.ChangeSlotCount(i, -1); + return true; + } + } + + // No already existing stack can be topped up, try again with allowing new stacks: + for (int i = 0; i < NumSlots; i++) + { + if (a_Grid.IsSlotEmpty(i)) + { + continue; + } + if (MoveItemsFromSlot(a_Grid.GetSlot(i), true)) + { + a_Grid.ChangeSlotCount(i, -1); + return true; + } + } + return false; +} + + + + + +/// Moves one of the specified itemstack into this hopper. Returns true if contents have changed. Doesn't change the itemstack. +bool cHopperEntity::MoveItemsFromSlot(const cItem & a_ItemStack, bool a_AllowNewStacks) +{ + cItem One(a_ItemStack.CopyOne()); + if (m_Contents.AddItem(One, a_AllowNewStacks) > 0) + { + return true; + } + 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: + 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 furnace at the specified coords. Returns true if contents have changed +bool cHopperEntity::MoveItemsToFurnace(cChunk & a_Chunk, int a_BlockX, int a_BlockY, int a_BlockZ, NIBBLETYPE a_HopperMeta) +{ + cFurnaceEntity * Furnace = (cFurnaceEntity *)a_Chunk.GetBlockEntity(a_BlockX, a_BlockY, a_BlockZ); + if (a_HopperMeta == E_META_HOPPER_FACING_YM) + { + // Feed the input slot of the furnace + return MoveItemsToSlot(Furnace->GetContents(), cFurnaceEntity::fsInput); + } + else + { + // Feed the fuel slot of the furnace + return MoveItemsToSlot(Furnace->GetContents(), cFurnaceEntity::fsFuel); + } + return false; +} + + + + + +/// Moves items to the specified ItemGrid. Returns true if contents have changed +bool cHopperEntity::MoveItemsToGrid(cItemGrid & a_ItemGrid) +{ + // Iterate through our slots, try to move from each one: + for (int i = 0; i < ContentsWidth * ContentsHeight; i++) + { + const cItem & SrcItem = m_Contents.GetSlot(i); + if (SrcItem.IsEmpty()) + { + continue; + } + + cItem ToAdd = SrcItem.CopyOne(); + if (a_ItemGrid.AddItem(ToAdd) > 0) + { + m_Contents.ChangeSlotCount(i, -1); + return true; + } + } + return false; +} + + + + + +/// Moves one piece to the specified ItemGrid's slot. Returns true if contents have changed. +bool cHopperEntity::MoveItemsToSlot(cItemGrid & a_ItemGrid, int a_DestSlotNum) +{ + if (a_ItemGrid.IsSlotEmpty(a_DestSlotNum)) + { + // The slot is empty, move the first non-empty slot from our contents: + for (int i = 0; i < ContentsWidth * ContentsHeight; i++) + { + if (!m_Contents.IsSlotEmpty(i)) + { + a_ItemGrid.SetSlot(a_DestSlotNum, m_Contents.GetSlot(i).CopyOne()); + m_Contents.ChangeSlotCount(i, -1); + return true; + } + } + return false; + } + else + { + // The slot is taken, try to top it up: + const cItem & DestSlot = a_ItemGrid.GetSlot(a_DestSlotNum); + if (DestSlot.IsFullStack()) + { + return false; + } + for (int i = 0; i < ContentsWidth * ContentsHeight; i++) + { + if (m_Contents.GetSlot(i).IsStackableWith(DestSlot)) + { + a_ItemGrid.ChangeSlotCount(a_DestSlotNum, 1); + m_Contents.ChangeSlotCount(i, -1); + return true; + } + } + return false; + } +} + + + + -- cgit v1.2.3