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-rw-r--r--src/BlockEntities/FurnaceEntity.cpp479
1 files changed, 479 insertions, 0 deletions
diff --git a/src/BlockEntities/FurnaceEntity.cpp b/src/BlockEntities/FurnaceEntity.cpp
new file mode 100644
index 000000000..d49e4f53b
--- /dev/null
+++ b/src/BlockEntities/FurnaceEntity.cpp
@@ -0,0 +1,479 @@
+
+#include "Globals.h" // NOTE: MSVC stupidness requires this to be the same across all modules
+
+#include "FurnaceEntity.h"
+#include "../UI/Window.h"
+#include "../Entities/Player.h"
+#include "../Root.h"
+#include "../Chunk.h"
+#include "lib/jsoncpp/include/json/json.h"
+
+
+
+
+
+
+enum
+{
+ PROGRESSBAR_SMELTING = 0,
+ PROGRESSBAR_FUEL = 1,
+} ;
+
+
+
+
+
+cFurnaceEntity::cFurnaceEntity(int a_BlockX, int a_BlockY, int a_BlockZ, BLOCKTYPE a_BlockType, NIBBLETYPE a_BlockMeta, cWorld * a_World) :
+ super(E_BLOCK_FURNACE, a_BlockX, a_BlockY, a_BlockZ, ContentsWidth, ContentsHeight, a_World),
+ m_BlockType(a_BlockType),
+ m_BlockMeta(a_BlockMeta),
+ m_CurrentRecipe(NULL),
+ m_IsCooking((a_World->GetBlock(a_BlockX, a_BlockY, a_BlockZ) == E_BLOCK_LIT_FURNACE)),
+ m_NeedCookTime(0),
+ m_TimeCooked(0),
+ m_FuelBurnTime(0),
+ m_TimeBurned(0),
+ m_LastProgressFuel(0),
+ m_LastProgressCook(0)
+{
+ cBlockEntityWindowOwner::SetBlockEntity(this);
+ m_Contents.AddListener(*this);
+}
+
+
+
+
+
+cFurnaceEntity::~cFurnaceEntity()
+{
+ // Tell window its owner is destroyed
+ cWindow * Window = GetWindow();
+ if (Window != NULL)
+ {
+ Window->OwnerDestroyed();
+ }
+}
+
+
+
+
+
+void cFurnaceEntity::UsedBy(cPlayer * a_Player)
+{
+ if (GetWindow() == NULL)
+ {
+ OpenWindow(new cFurnaceWindow(m_PosX, m_PosY, m_PosZ, this));
+ }
+ cWindow * Window = GetWindow();
+ if (Window != NULL)
+ {
+ if (a_Player->GetWindow() != Window)
+ {
+ a_Player->OpenWindow(Window);
+ BroadcastProgress(PROGRESSBAR_FUEL, m_LastProgressFuel);
+ BroadcastProgress(PROGRESSBAR_SMELTING, m_LastProgressCook);
+ }
+ }
+}
+
+
+
+
+
+/// Restarts cooking. Used after the furnace is loaded from storage to set up the internal variables so that cooking continues, if it was active. Returns true if cooking.
+bool cFurnaceEntity::ContinueCooking(void)
+{
+ UpdateInput();
+ UpdateFuel();
+ return m_IsCooking;
+}
+
+
+
+
+
+bool cFurnaceEntity::Tick(float a_Dt, cChunk & a_Chunk)
+{
+ if (m_FuelBurnTime <= 0)
+ {
+ // No fuel is burning, reset progressbars and bail out
+ if ((m_LastProgressCook > 0) || (m_LastProgressFuel > 0))
+ {
+ UpdateProgressBars();
+ }
+ return false;
+ }
+
+ if (m_IsCooking)
+ {
+ m_TimeCooked++;
+ if (m_TimeCooked >= m_NeedCookTime)
+ {
+ // Finished smelting one item
+ FinishOne(a_Chunk);
+ }
+ }
+
+ m_TimeBurned++;
+ if (m_TimeBurned >= m_FuelBurnTime)
+ {
+ // The current fuel has been exhausted, use another one, if possible
+ BurnNewFuel();
+ }
+
+ UpdateProgressBars();
+
+ return true;
+}
+
+
+
+
+
+bool cFurnaceEntity::LoadFromJson(const Json::Value & a_Value)
+{
+ m_PosX = a_Value.get("x", 0).asInt();
+ m_PosY = a_Value.get("y", 0).asInt();
+ m_PosZ = a_Value.get("z", 0).asInt();
+
+ Json::Value AllSlots = a_Value.get("Slots", 0);
+ int SlotIdx = 0;
+ for (Json::Value::iterator itr = AllSlots.begin(); itr != AllSlots.end(); ++itr)
+ {
+ cItem Item;
+ Item.FromJson(*itr);
+ SetSlot(SlotIdx, Item);
+ SlotIdx++;
+ }
+
+ m_NeedCookTime = (int)(a_Value.get("CookTime", 0).asDouble() / 50);
+ m_TimeCooked = (int)(a_Value.get("TimeCooked", 0).asDouble() / 50);
+ m_FuelBurnTime = (int)(a_Value.get("BurnTime", 0).asDouble() / 50);
+ m_TimeBurned = (int)(a_Value.get("TimeBurned", 0).asDouble() / 50);
+
+ return true;
+}
+
+
+
+
+
+void cFurnaceEntity::SaveToJson( Json::Value& a_Value )
+{
+ a_Value["x"] = m_PosX;
+ a_Value["y"] = m_PosY;
+ a_Value["z"] = m_PosZ;
+
+ Json::Value AllSlots;
+ int NumSlots = m_Contents.GetNumSlots();
+ for (int i = 0; i < NumSlots; i++)
+ {
+ Json::Value Slot;
+ m_Contents.GetSlot(i).GetJson(Slot);
+ AllSlots.append(Slot);
+ }
+ a_Value["Slots"] = AllSlots;
+
+ a_Value["CookTime"] = m_NeedCookTime * 50;
+ a_Value["TimeCooked"] = m_TimeCooked * 50;
+ a_Value["BurnTime"] = m_FuelBurnTime * 50;
+ a_Value["TimeBurned"] = m_TimeBurned * 50;
+}
+
+
+
+
+
+void cFurnaceEntity::SendTo(cClientHandle & a_Client)
+{
+ // Nothing needs to be sent
+ UNUSED(a_Client);
+}
+
+
+
+
+
+void cFurnaceEntity::BroadcastProgress(int a_ProgressbarID, short a_Value)
+{
+ cWindow * Window = GetWindow();
+ if (Window != NULL)
+ {
+ Window->BroadcastProgress(a_ProgressbarID, a_Value);
+ }
+}
+
+
+
+
+
+/// One item finished cooking
+void cFurnaceEntity::FinishOne(cChunk & a_Chunk)
+{
+ m_TimeCooked = 0;
+
+ if (m_Contents.GetSlot(fsOutput).IsEmpty())
+ {
+ m_Contents.SetSlot(fsOutput, *m_CurrentRecipe->Out);
+ }
+ else
+ {
+ m_Contents.ChangeSlotCount(fsOutput, m_CurrentRecipe->Out->m_ItemCount);
+ }
+ m_Contents.ChangeSlotCount(fsInput, -m_CurrentRecipe->In->m_ItemCount);
+
+ UpdateIsCooking();
+}
+
+
+
+
+
+void cFurnaceEntity::BurnNewFuel(void)
+{
+ cFurnaceRecipe * FR = cRoot::Get()->GetFurnaceRecipe();
+ int NewTime = FR->GetBurnTime(m_Contents.GetSlot(fsFuel));
+ if (NewTime == 0)
+ {
+ // The item in the fuel slot is not suitable
+ m_FuelBurnTime = 0;
+ m_TimeBurned = 0;
+ SetIsCooking(false);
+ return;
+ }
+
+ // Is the input and output ready for cooking?
+ if (!CanCookInputToOutput())
+ {
+ return;
+ }
+
+ // Burn one new fuel:
+ m_FuelBurnTime = NewTime;
+ m_TimeBurned = 0;
+ SetIsCooking(true);
+ if (m_Contents.GetSlot(fsFuel).m_ItemType == E_ITEM_LAVA_BUCKET)
+ {
+ m_Contents.SetSlot(fsFuel, cItem(E_ITEM_BUCKET));
+ }
+ else
+ {
+ m_Contents.ChangeSlotCount(fsFuel, -1);
+ }
+}
+
+
+
+
+
+void cFurnaceEntity::OnSlotChanged(cItemGrid * a_ItemGrid, int a_SlotNum)
+{
+ super::OnSlotChanged(a_ItemGrid, a_SlotNum);
+
+ if (m_World == NULL)
+ {
+ // The furnace isn't initialized yet, do no processing
+ return;
+ }
+
+ ASSERT(a_ItemGrid == &m_Contents);
+ switch (a_SlotNum)
+ {
+ case fsInput:
+ {
+ UpdateInput();
+ break;
+ }
+
+ case fsFuel:
+ {
+ UpdateFuel();
+ break;
+ }
+
+ case fsOutput:
+ {
+ UpdateOutput();
+ break;
+ }
+ }
+}
+
+
+
+
+
+
+/// Updates the current recipe, based on the current input
+void cFurnaceEntity::UpdateInput(void)
+{
+ if (!m_Contents.GetSlot(fsInput).IsStackableWith(m_LastInput))
+ {
+ // The input is different from what we had before, reset the cooking time
+ m_TimeCooked = 0;
+ }
+ m_LastInput = m_Contents.GetSlot(fsInput);
+
+ cFurnaceRecipe * FR = cRoot::Get()->GetFurnaceRecipe();
+ m_CurrentRecipe = FR->GetRecipeFrom(m_Contents.GetSlot(fsInput));
+ if (!CanCookInputToOutput())
+ {
+ // This input cannot be cooked
+ m_NeedCookTime = 0;
+ SetIsCooking(false);
+ }
+ else
+ {
+ m_NeedCookTime = m_CurrentRecipe->CookTime;
+ SetIsCooking(true);
+
+ // Start burning new fuel if there's no flame now:
+ if (GetFuelBurnTimeLeft() <= 0)
+ {
+ BurnNewFuel();
+ }
+ }
+}
+
+
+
+
+
+/// Called when the fuel slot changes or when the fuel is spent, burns another piece of fuel if appropriate
+void cFurnaceEntity::UpdateFuel(void)
+{
+ if (m_FuelBurnTime > m_TimeBurned)
+ {
+ // The current fuel is still burning, don't modify anything:
+ return;
+ }
+
+ // The current fuel is spent, try to burn some more:
+ BurnNewFuel();
+}
+
+
+
+
+
+/// Called when the output slot changes; starts burning if space became available
+void cFurnaceEntity::UpdateOutput(void)
+{
+ if (!CanCookInputToOutput())
+ {
+ // Cannot cook anymore:
+ m_TimeCooked = 0;
+ m_NeedCookTime = 0;
+ SetIsCooking(false);
+ return;
+ }
+
+ // No need to burn new fuel, the Tick() function will take care of that
+
+ // Can cook, start cooking if not already underway:
+ m_NeedCookTime = m_CurrentRecipe->CookTime;
+ SetIsCooking(m_FuelBurnTime > 0);
+}
+
+
+
+
+
+/// Updates the m_IsCooking, based on the input slot, output slot and m_FuelBurnTime / m_TimeBurned
+void cFurnaceEntity::UpdateIsCooking(void)
+{
+ if (
+ !CanCookInputToOutput() || // Cannot cook this
+ (m_FuelBurnTime <= 0) || // No fuel
+ (m_TimeBurned >= m_FuelBurnTime) // Fuel burnt out
+ )
+ {
+ // Reset everything
+ SetIsCooking(false);
+ m_TimeCooked = 0;
+ m_NeedCookTime = 0;
+ return;
+ }
+
+ SetIsCooking(true);
+}
+
+
+
+
+
+/// Returns true if the input can be cooked into output and the item counts allow for another cooking operation
+bool cFurnaceEntity::CanCookInputToOutput(void) const
+{
+ if (m_CurrentRecipe == NULL)
+ {
+ // This input cannot be cooked
+ return false;
+ }
+
+ if (m_Contents.GetSlot(fsOutput).IsEmpty())
+ {
+ // The output is empty, can cook
+ return true;
+ }
+
+ if (!m_Contents.GetSlot(fsOutput).IsStackableWith(*m_CurrentRecipe->Out))
+ {
+ // The output slot is blocked with something that cannot be stacked with the recipe's output
+ return false;
+ }
+
+ if (m_Contents.GetSlot(fsOutput).IsFullStack())
+ {
+ // Cannot add any more items to the output slot
+ return false;
+ }
+
+ return true;
+}
+
+
+
+
+
+/// Broadcasts progressbar updates, if needed
+void cFurnaceEntity::UpdateProgressBars(void)
+{
+ // In order to preserve bandwidth, an update is sent only every 10th tick
+ // That's why the comparisons use the division by eight
+
+ int CurFuel = (m_FuelBurnTime > 0) ? (200 - 200 * m_TimeBurned / m_FuelBurnTime) : 0;
+ if ((CurFuel / 8) != (m_LastProgressFuel / 8))
+ {
+ BroadcastProgress(PROGRESSBAR_FUEL, CurFuel);
+ m_LastProgressFuel = CurFuel;
+ }
+
+ int CurCook = (m_NeedCookTime > 0) ? (200 * m_TimeCooked / m_NeedCookTime) : 0;
+ if ((CurCook / 8) != (m_LastProgressCook / 8))
+ {
+ BroadcastProgress(PROGRESSBAR_SMELTING, CurCook);
+ m_LastProgressCook = CurCook;
+ }
+}
+
+
+
+
+
+void cFurnaceEntity::SetIsCooking(bool a_IsCooking)
+{
+ if (a_IsCooking == m_IsCooking)
+ {
+ return;
+ }
+
+ m_IsCooking = a_IsCooking;
+
+ // Light or extinguish the furnace:
+ m_World->FastSetBlock(m_PosX, m_PosY, m_PosZ, m_IsCooking ? E_BLOCK_LIT_FURNACE : E_BLOCK_FURNACE, m_BlockMeta);
+}
+
+
+
+