1 files changed, 267 insertions, 0 deletions

diff --git a/src/BlockEntities/DropSpenserEntity.cpp b/src/BlockEntities/DropSpenserEntity.cpp
new file mode 100644
index 000000000..7c9a40ce6
--- /dev/null
+++ b/src/BlockEntities/DropSpenserEntity.cpp
@@ -0,0 +1,267 @@
+
+// DropSpenserEntity.cpp
+
+// Declares the cDropSpenserEntity class representing a common ancestor to the cDispenserEntity and cDropperEntity
+// The dropper and dispenser only needs to override the DropSpenseFromSlot() function to provide the specific item behavior
+
+#include "Globals.h"
+#include "DropSpenserEntity.h"
+#include "../Entities/Player.h"
+#include "../Chunk.h"
+#include "json/json.h"
+
+
+
+
+
+cDropSpenserEntity::cDropSpenserEntity(BLOCKTYPE a_BlockType, int a_BlockX, int a_BlockY, int a_BlockZ, cWorld * a_World) :
+	super(a_BlockType, a_BlockX, a_BlockY, a_BlockZ, ContentsWidth, ContentsHeight, a_World),
+	m_ShouldDropSpense(false),
+	m_IsPowered(false)
+{
+	SetBlockEntity(this);  // cBlockEntityWindowOwner
+}
+
+
+
+
+
+cDropSpenserEntity::~cDropSpenserEntity()
+{
+	// Tell window its owner is destroyed
+	cWindow * Window = GetWindow();
+	if (Window != NULL)
+	{
+		Window->OwnerDestroyed();
+	}
+}
+
+
+
+
+
+void cDropSpenserEntity::AddDropSpenserDir(int & a_BlockX, int & a_BlockY, int & a_BlockZ, NIBBLETYPE a_Direction)
+{
+	switch (a_Direction)
+	{
+		case E_META_DROPSPENSER_FACING_YM: a_BlockY--; return;
+		case E_META_DROPSPENSER_FACING_YP: a_BlockY++; return;
+		case E_META_DROPSPENSER_FACING_ZM: a_BlockZ--; return;
+		case E_META_DROPSPENSER_FACING_ZP: a_BlockZ++; return;
+		case E_META_DROPSPENSER_FACING_XM: a_BlockX--; return;
+		case E_META_DROPSPENSER_FACING_XP: a_BlockX++; return;
+	}
+	LOGWARNING("%s: Unhandled direction: %d", __FUNCTION__, a_Direction);
+	return;
+}
+
+
+
+
+
+void cDropSpenserEntity::DropSpense(cChunk & a_Chunk)
+{
+	// Pick one of the occupied slots:
+	int OccupiedSlots[9];
+	int SlotsCnt = 0;
+	for (int i = m_Contents.GetNumSlots() - 1; i >= 0; i--)
+	{
+		if (!m_Contents.GetSlot(i).IsEmpty())
+		{
+			OccupiedSlots[SlotsCnt] = i;
+			SlotsCnt++;
+		}
+	}  // for i - m_Contents[]
+	
+	if (SlotsCnt == 0)
+	{
+		// Nothing in the dropspenser, play the click sound
+		m_World->BroadcastSoundEffect("random.click", m_PosX * 8, m_PosY * 8, m_PosZ * 8, 1.0f, 1.2f);
+		return;
+	}
+	
+	int RandomSlot = 	m_World->GetTickRandomNumber(SlotsCnt - 1);
+	
+	// DropSpense the item, using the specialized behavior in the subclasses:
+	DropSpenseFromSlot(a_Chunk, OccupiedSlots[RandomSlot]);
+	
+	// Broadcast a smoke and click effects:
+	NIBBLETYPE Meta = a_Chunk.GetMeta(m_RelX, m_PosY, m_RelZ);
+	int SmokeDir = 0;
+	switch (Meta)
+	{
+		case E_META_DROPSPENSER_FACING_YP: SmokeDir = 4; break; // YP & YM don't have associated smoke dirs, just do 4 (centre of block)
+		case E_META_DROPSPENSER_FACING_YM: SmokeDir = 4; break;
+		case E_META_DROPSPENSER_FACING_XM: SmokeDir = 3; break;
+		case E_META_DROPSPENSER_FACING_XP: SmokeDir = 5; break;
+		case E_META_DROPSPENSER_FACING_ZM: SmokeDir = 1; break;
+		case E_META_DROPSPENSER_FACING_ZP: SmokeDir = 7; break;
+	}
+	m_World->BroadcastSoundParticleEffect(2000, m_PosX, m_PosY, m_PosZ, SmokeDir);
+	m_World->BroadcastSoundEffect("random.click", m_PosX * 8, m_PosY * 8, m_PosZ * 8, 1.0f, 1.0f);
+	
+	// Update the UI window, if open:
+	cWindow * Window = GetWindow();
+	if (Window != NULL)
+	{
+		Window->BroadcastWholeWindow();
+	}
+}	
+
+
+
+
+
+void cDropSpenserEntity::Activate(void)
+{
+	m_ShouldDropSpense = true;
+}
+
+
+
+
+
+void cDropSpenserEntity::SetRedstonePower(bool a_IsPowered)
+{
+	if (a_IsPowered && !m_IsPowered)
+	{
+		Activate();
+	}
+	m_IsPowered = a_IsPowered;
+}
+
+
+
+
+
+bool cDropSpenserEntity::Tick(float a_Dt, cChunk & a_Chunk)
+{
+	if (!m_ShouldDropSpense)
+	{
+		return false;
+	}
+	
+	m_ShouldDropSpense = false;
+	DropSpense(a_Chunk);
+	return true;
+}
+
+
+
+
+
+bool cDropSpenserEntity::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 Contents;
+		Contents.FromJson(*itr);
+		m_Contents.SetSlot(SlotIdx, Contents);
+		SlotIdx++;
+		if (SlotIdx >= m_Contents.GetNumSlots())
+		{
+			return true;
+		}
+	}
+
+	return true;
+}
+
+
+
+
+
+void cDropSpenserEntity::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;
+}
+
+
+
+
+
+void cDropSpenserEntity::SendTo(cClientHandle & a_Client)
+{
+	// Nothing needs to be sent
+	UNUSED(a_Client);
+}
+
+
+
+
+
+void cDropSpenserEntity::UsedBy(cPlayer * a_Player)
+{
+	cWindow * Window = GetWindow();
+	if (Window == NULL)
+	{
+		OpenWindow(new cDropSpenserWindow(m_PosX, m_PosY, m_PosZ, this));
+		Window = GetWindow();
+	}
+	
+	if (Window != NULL)
+	{
+		if (a_Player->GetWindow() != Window)
+		{
+			a_Player->OpenWindow(Window);
+		}
+	}
+}
+
+
+
+
+
+void cDropSpenserEntity::DropFromSlot(cChunk & a_Chunk, int a_SlotNum)
+{
+	int DispX = m_PosX;
+	int DispY = m_PosY;
+	int DispZ = m_PosZ;
+	NIBBLETYPE Meta = a_Chunk.GetMeta(m_RelX, m_PosY, m_RelZ);
+	AddDropSpenserDir(DispX, DispY, DispZ, Meta);
+
+	cItems Pickups;
+	Pickups.push_back(m_Contents.RemoveOneItem(a_SlotNum));
+
+	const int PickupSpeed = m_World->GetTickRandomNumber(4) + 2; // At least 2, at most 6
+	int PickupSpeedX = 0, PickupSpeedY = 0, PickupSpeedZ = 0;
+	switch (Meta)
+	{
+		case E_META_DROPSPENSER_FACING_YP: PickupSpeedY =  PickupSpeed; break;
+		case E_META_DROPSPENSER_FACING_YM: PickupSpeedY = -PickupSpeed; break;
+		case E_META_DROPSPENSER_FACING_XM: PickupSpeedX = -PickupSpeed; break;
+		case E_META_DROPSPENSER_FACING_XP: PickupSpeedX =  PickupSpeed; break;
+		case E_META_DROPSPENSER_FACING_ZM: PickupSpeedZ = -PickupSpeed; break;
+		case E_META_DROPSPENSER_FACING_ZP: PickupSpeedZ =  PickupSpeed; break;
+	}
+
+	double MicroX, MicroY, MicroZ;
+	MicroX = DispX + 0.5;
+	MicroY = DispY + 0.4; // Slightly less than half, to accomodate actual texture hole on DropSpenser
+	MicroZ = DispZ + 0.5;
+
+
+	m_World->SpawnItemPickups(Pickups, MicroX, MicroY, MicroZ, PickupSpeedX, PickupSpeedY, PickupSpeedZ);
+}
+
+
+
+