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Implemented hopper output

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git-svn-id: http://mc-server.googlecode.com/svn/trunk@1611 0a769ca7-a7f5-676a-18bf-c427514a06d6
This commit is contained in:
madmaxoft@gmail.com 2013-06-20 11:02:09 +00:00
parent d633f8a671
commit 512c342782
2 changed files with 233 additions and 5 deletions
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213
source/BlockEntities/HopperEntity.cpp
View File

@ -16,7 +16,9 @@
cHopperEntity::cHopperEntity(int a_BlockX, int a_BlockY, int a_BlockZ) :
super(E_BLOCK_HOPPER, a_BlockX, a_BlockY, a_BlockZ, ContentsWidth, ContentsHeight, NULL)
super(E_BLOCK_HOPPER, a_BlockX, a_BlockY, a_BlockZ, ContentsWidth, ContentsHeight, NULL),
m_LastMoveItemsInTick(0),
m_LastMoveItemsOutTick(0)
{
}
@ -25,7 +27,9 @@ cHopperEntity::cHopperEntity(int a_BlockX, int a_BlockY, int a_BlockZ) :
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)
super(E_BLOCK_HOPPER, a_BlockX, a_BlockY, a_BlockZ, ContentsWidth, ContentsHeight, a_World),
m_LastMoveItemsInTick(0),
m_LastMoveItemsOutTick(0)
{
}
@ -33,6 +37,33 @@ cHopperEntity::cHopperEntity(int a_BlockX, int a_BlockY, int a_BlockZ, cWorld *
/** 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();
@ -171,8 +202,47 @@ bool cHopperEntity::MoveItemsOut(cChunk & a_Chunk, Int64 a_CurrentTick)
return false;
}
// TODO
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;
}
// If the item has been moved, reset the last tick:
if (res)
{
m_LastMoveItemsOutTick = a_CurrentTick;
}
return res;
}
@ -312,3 +382,140 @@ bool cHopperEntity::MoveItemsFromSlot(const cItem & a_ItemStack, bool a_AllowNew
/// 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;
}
}

23
source/BlockEntities/HopperEntity.h
View File

@ -38,6 +38,15 @@ public:
/// Constructor used for normal operation
cHopperEntity(int a_BlockX, int a_BlockY, int a_BlockZ, cWorld * a_World);
// tolua_begin
/** Returns the block coords of the block receiving the output items, based on the meta
Returns false if unattached
*/
bool GetOutputBlockPos(NIBBLETYPE a_BlockMeta, int & a_OutputX, int & a_OutputY, int & a_OutputZ);
// tolua_end
static const char * GetClassStatic(void) { return "cHopperEntity"; }
protected:
@ -72,8 +81,20 @@ protected:
/// Moves items from the specified ItemGrid into this hopper. Returns true if contents have changed.
bool MoveItemsFromGrid(cItemGrid & a_Grid);
/// Moves one of the specified itemstack into this hopper. Returns true if contents have changed. Doesn't change the itemstack.
/// Moves one piece from the specified itemstack into this hopper. Returns true if contents have changed. Doesn't change the itemstack.
bool MoveItemsFromSlot(const cItem & a_ItemStack, bool a_AllowNewStacks);
/// Moves items to the chest at the specified coords. Returns true if contents have changed
bool MoveItemsToChest(cChunk & a_Chunk, int a_BlockX, int a_BlockY, int a_BlockZ);
/// Moves items to the furnace at the specified coords. Returns true if contents have changed
bool MoveItemsToFurnace(cChunk & a_Chunk, int a_BlockX, int a_BlockY, int a_BlockZ, NIBBLETYPE a_HopperMeta);
/// Moves items to the specified ItemGrid. Returns true if contents have changed
bool MoveItemsToGrid(cItemGrid & a_ItemGrid);
/// Moves one piece to the specified ItemGrid's slot. Returns true if contents have changed.
bool MoveItemsToSlot(cItemGrid & a_ItemGrid, int a_DestSlotNum);
} ;