1 files changed, 933 insertions, 0 deletions

diff --git a/src/UI/SlotArea.cpp b/src/UI/SlotArea.cpp
new file mode 100644
index 000000000..2925d1226
--- /dev/null
+++ b/src/UI/SlotArea.cpp
@@ -0,0 +1,933 @@
+// SlotArea.cpp
+
+// Implements the cSlotArea class and its descendants
+
+#include "Globals.h"
+#include "SlotArea.h"
+#include "../Entities/Player.h"
+#include "../BlockEntities/ChestEntity.h"
+#include "../BlockEntities/DropSpenserEntity.h"
+#include "../BlockEntities/EnderChestEntity.h"
+#include "../BlockEntities/FurnaceEntity.h"
+#include "../Items/ItemHandler.h"
+#include "Window.h"
+#include "../CraftingRecipes.h"
+#include "../Root.h"
+
+
+
+
+
+///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+// cSlotArea:
+
+cSlotArea::cSlotArea(int a_NumSlots, cWindow & a_ParentWindow) :
+	m_NumSlots(a_NumSlots),
+	m_ParentWindow(a_ParentWindow)
+{
+}
+
+
+
+
+
+void cSlotArea::Clicked(cPlayer & a_Player, int a_SlotNum, eClickAction a_ClickAction, const cItem & a_ClickedItem)
+{
+	/*
+	LOGD("Slot area with %d slots clicked at slot number %d, clicked item %s, slot item %s", 
+		GetNumSlots(), a_SlotNum, 
+		ItemToFullString(a_ClickedItem).c_str(),
+		ItemToFullString(*GetSlot(a_SlotNum, a_Player)).c_str()
+	);
+	*/
+	
+	ASSERT((a_SlotNum >= 0) && (a_SlotNum < GetNumSlots()));
+
+	bool bAsync = false;
+	if (GetSlot(a_SlotNum, a_Player) == NULL)
+	{
+		LOGWARNING("GetSlot(%d) returned NULL! Ignoring click", a_SlotNum);
+		return;
+	}
+	
+	switch (a_ClickAction)
+	{
+		case caShiftLeftClick:
+		case caShiftRightClick:
+		{
+			ShiftClicked(a_Player, a_SlotNum, a_ClickedItem);
+			return;
+		}
+		
+		case caDblClick:
+		{
+			DblClicked(a_Player, a_SlotNum);
+			return;
+		}
+		default:
+		{
+			break;
+		}
+	}
+	
+	cItem Slot(*GetSlot(a_SlotNum, a_Player));
+	if (!Slot.IsSameType(a_ClickedItem))
+	{
+		LOGWARNING("*** Window lost sync at item %d in SlotArea with %d items ***", a_SlotNum, m_NumSlots);
+		LOGWARNING("My item:    %s", ItemToFullString(Slot).c_str());
+		LOGWARNING("Their item: %s", ItemToFullString(a_ClickedItem).c_str());
+		bAsync = true;
+	}
+	cItem & DraggingItem = a_Player.GetDraggingItem();
+	switch (a_ClickAction)
+	{
+		case caRightClick:
+		{
+			if (DraggingItem.m_ItemType <= 0) // Empty-handed?
+			{
+				DraggingItem.m_ItemCount = (char)(((float)Slot.m_ItemCount) / 2.f + 0.5f);
+				Slot.m_ItemCount -= DraggingItem.m_ItemCount;
+				DraggingItem.m_ItemType = Slot.m_ItemType;
+				DraggingItem.m_ItemDamage = Slot.m_ItemDamage;
+
+				if (Slot.m_ItemCount <= 0)
+				{
+					Slot.Empty();
+				}
+			}
+			else if ((Slot.m_ItemType <= 0) || DraggingItem.IsEqual(Slot))
+			{
+				// Drop one item in slot
+				cItemHandler * Handler = ItemHandler(Slot.m_ItemType);
+				if ((DraggingItem.m_ItemCount > 0) && (Slot.m_ItemCount < Handler->GetMaxStackSize()))
+				{
+					Slot.m_ItemType = DraggingItem.m_ItemType;
+					Slot.m_ItemCount++;
+					Slot.m_ItemDamage = DraggingItem.m_ItemDamage;
+					DraggingItem.m_ItemCount--;
+				}
+				if (DraggingItem.m_ItemCount <= 0)
+				{
+					DraggingItem.Empty();
+				}
+			}
+			else if (!DraggingItem.IsEqual(Slot))
+			{
+				// Swap contents
+				cItem tmp(DraggingItem);
+				DraggingItem = Slot;
+				Slot = tmp;
+			}
+			break;
+		}
+		
+		case caLeftClick:
+		{
+			// Left-clicked
+			if (!DraggingItem.IsEqual(Slot))
+			{
+				// Switch contents
+				cItem tmp(DraggingItem);
+				DraggingItem = Slot;
+				Slot = tmp;
+			}
+			else
+			{
+				// Same type, add items:
+				cItemHandler * Handler = ItemHandler(DraggingItem.m_ItemType);
+				int FreeSlots = Handler->GetMaxStackSize() - Slot.m_ItemCount;
+				if (FreeSlots < 0)
+				{
+					ASSERT(!"Bad item stack size - where did we get more items in a slot than allowed?");
+					FreeSlots = 0;
+				}
+				int Filling = (FreeSlots > DraggingItem.m_ItemCount) ? DraggingItem.m_ItemCount : FreeSlots;
+				Slot.m_ItemCount += (char)Filling;
+				DraggingItem.m_ItemCount -= (char)Filling;
+				if (DraggingItem.m_ItemCount <= 0)
+				{
+					DraggingItem.Empty();
+				}
+			}
+			break;
+		}
+		default:
+		{
+			LOGWARNING("SlotArea: Unhandled click action: %d (%s)", a_ClickAction, ClickActionToString(a_ClickAction));
+			m_ParentWindow.BroadcastWholeWindow();
+			return;
+		}
+	}  // switch (a_ClickAction
+	
+	SetSlot(a_SlotNum, a_Player, Slot);
+	if (bAsync)
+	{
+		m_ParentWindow.BroadcastWholeWindow();
+	}
+	
+}
+
+
+
+
+
+void cSlotArea::ShiftClicked(cPlayer & a_Player, int a_SlotNum, const cItem & a_ClickedItem)
+{
+	// Make a copy of the slot, distribute it among the other areas, then update the slot to contain the leftover:
+	cItem Slot(*GetSlot(a_SlotNum, a_Player));
+	m_ParentWindow.DistributeStack(Slot, a_Player, this, true);
+	if (Slot.IsEmpty())
+	{
+		// Empty the slot completely, the cilent doesn't like left-over ItemType with zero count
+		Slot.Empty();
+	}
+	SetSlot(a_SlotNum, a_Player, Slot);
+	
+	// Some clients try to guess our actions and not always right (armor slots in 1.2.5), so we fix them:
+	m_ParentWindow.BroadcastWholeWindow();
+}
+
+
+
+
+
+void cSlotArea::DblClicked(cPlayer & a_Player, int a_SlotNum)
+{
+	cItem & Dragging = a_Player.GetDraggingItem();
+	if (Dragging.IsEmpty())
+	{
+		// Move the item in the dblclicked slot into hand:
+		Dragging = *GetSlot(a_SlotNum, a_Player);
+		cItem EmptyItem;
+		SetSlot(a_SlotNum, a_Player, EmptyItem);
+	}
+	if (Dragging.IsEmpty())
+	{
+		LOGD("%s DblClicked with an empty hand over empty slot, ignoring", a_Player.GetName().c_str());
+		return;
+	}
+	
+	// Add as many items from the surrounding area into hand as possible:
+	// First skip full stacks, then if there's still space, process full stacks as well:
+	if (!m_ParentWindow.CollectItemsToHand(Dragging, *this, a_Player, false))
+	{
+		m_ParentWindow.CollectItemsToHand(Dragging, *this, a_Player, true);
+	}
+	
+	m_ParentWindow.BroadcastWholeWindow();  // We need to broadcast, in case the window was a chest opened by multiple players
+}
+
+
+
+
+
+void cSlotArea::DistributeStack(cItem & a_ItemStack, cPlayer & a_Player, bool a_Apply, bool a_KeepEmptySlots)
+{
+	for (int i = 0; i < m_NumSlots; i++)
+	{
+		const cItem * Slot = GetSlot(i, a_Player);
+		if (!Slot->IsStackableWith(a_ItemStack) && (!Slot->IsEmpty() || a_KeepEmptySlots))
+		{
+			// Different items
+			continue;
+		}
+		int NumFit = ItemHandler(Slot->m_ItemType)->GetMaxStackSize() - Slot->m_ItemCount;
+		if (NumFit <= 0)
+		{
+			// Full stack already
+			continue;
+		}
+		if (NumFit > a_ItemStack.m_ItemCount)
+		{
+			NumFit = a_ItemStack.m_ItemCount;
+		}
+		if (a_Apply)
+		{
+			cItem NewSlot(a_ItemStack);
+			NewSlot.m_ItemCount = Slot->m_ItemCount + NumFit;
+			SetSlot(i, a_Player, NewSlot);
+		}
+		a_ItemStack.m_ItemCount -= NumFit;
+		if (a_ItemStack.IsEmpty())
+		{
+			return;
+		}
+	}  // for i - Slots
+}
+
+
+
+
+
+bool cSlotArea::CollectItemsToHand(cItem & a_Dragging, cPlayer & a_Player, bool a_CollectFullStacks)
+{
+	int NumSlots = GetNumSlots();
+	for (int i = 0; i < NumSlots; i++)
+	{
+		const cItem & SlotItem = *GetSlot(i, a_Player);
+		if (!SlotItem.IsStackableWith(a_Dragging))
+		{
+			continue;
+		}
+		int ToMove = a_Dragging.GetMaxStackSize() - a_Dragging.m_ItemCount;
+		if (ToMove > SlotItem.m_ItemCount)
+		{
+			ToMove = SlotItem.m_ItemCount;
+		}
+		a_Dragging.m_ItemCount += ToMove;
+		cItem NewSlot(SlotItem);
+		NewSlot.m_ItemCount -= ToMove;
+		SetSlot(i, a_Player, NewSlot);
+		if (!NewSlot.IsEmpty())
+		{
+			// There are leftovers in the slot, so a_Dragging must be full
+			return true;
+		}
+	}  // for i - Slots[]
+	// a_Dragging may be full if there were exactly the number of items needed to fill it
+	return a_Dragging.IsFullStack();
+}
+
+
+
+
+
+///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+// cSlotAreaChest:
+
+cSlotAreaChest::cSlotAreaChest(cChestEntity * a_Chest, cWindow & a_ParentWindow) :
+	cSlotArea(27, a_ParentWindow),
+	m_Chest(a_Chest)
+{
+}
+
+
+
+
+
+const cItem * cSlotAreaChest::GetSlot(int a_SlotNum, cPlayer & a_Player) const
+{
+	// a_SlotNum ranges from 0 to 26, use that to index the chest entity's inventory directly:
+	return &(m_Chest->GetSlot(a_SlotNum));
+}
+
+
+
+
+
+void cSlotAreaChest::SetSlot(int a_SlotNum, cPlayer & a_Player, const cItem & a_Item)
+{
+	m_Chest->SetSlot(a_SlotNum, a_Item);
+}
+
+
+
+
+
+///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+// cSlotAreaDoubleChest:
+
+cSlotAreaDoubleChest::cSlotAreaDoubleChest(cChestEntity * a_TopChest, cChestEntity * a_BottomChest, cWindow & a_ParentWindow) :
+	cSlotArea(54, a_ParentWindow),
+	m_TopChest(a_TopChest),
+	m_BottomChest(a_BottomChest)
+{
+}
+
+
+
+
+
+const cItem * cSlotAreaDoubleChest::GetSlot(int a_SlotNum, cPlayer & a_Player) const
+{
+	// a_SlotNum ranges from 0 to 53, use that to index the correct chest's inventory:
+	if (a_SlotNum < 27)
+	{
+		return &(m_TopChest->GetSlot(a_SlotNum));
+	}
+	else
+	{
+		return &(m_BottomChest->GetSlot(a_SlotNum - 27));
+	}
+}
+
+
+
+
+
+void cSlotAreaDoubleChest::SetSlot(int a_SlotNum, cPlayer & a_Player, const cItem & a_Item)
+{
+	if (a_SlotNum < 27)
+	{
+		m_TopChest->SetSlot(a_SlotNum, a_Item);
+	}
+	else
+	{
+		m_BottomChest->SetSlot(a_SlotNum - 27, a_Item);
+	}
+}
+
+
+
+
+
+///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+// cSlotAreaCrafting:
+
+cSlotAreaCrafting::cSlotAreaCrafting(int a_GridSize, cWindow & a_ParentWindow) :
+	cSlotAreaTemporary(1 + a_GridSize * a_GridSize, a_ParentWindow),
+	m_GridSize(a_GridSize)
+{
+	ASSERT((a_GridSize == 2) || (a_GridSize == 3));
+}
+
+
+
+
+
+void cSlotAreaCrafting::Clicked(cPlayer & a_Player, int a_SlotNum, eClickAction a_ClickAction, const cItem & a_ClickedItem)
+{
+	// Override for craft result slot
+	if (a_SlotNum == 0)
+	{
+		if ((a_ClickAction == caShiftLeftClick) || (a_ClickAction == caShiftRightClick))
+		{
+			ShiftClickedResult(a_Player);
+		}
+		else
+		{
+			ClickedResult(a_Player);
+		}
+		return;
+	}
+	super::Clicked(a_Player, a_SlotNum, a_ClickAction, a_ClickedItem);
+	UpdateRecipe(a_Player);
+}
+
+
+
+
+
+void cSlotAreaCrafting::DblClicked(cPlayer & a_Player, int a_SlotNum)
+{
+	if (a_SlotNum == 0)
+	{
+		// Dbl-clicking the crafting result slot shouldn't collect items to hand
+		return;
+	}
+	super::DblClicked(a_Player, a_SlotNum);
+}
+
+
+
+
+
+void cSlotAreaCrafting::OnPlayerRemoved(cPlayer & a_Player)
+{
+	// Toss all items on the crafting grid:
+	TossItems(a_Player, 1, m_NumSlots);
+	
+	// Remove the current recipe from the player -> recipe map:
+	for (cRecipeMap::iterator itr = m_Recipes.begin(), end = m_Recipes.end(); itr != end; ++itr)
+	{
+		if (itr->first == a_Player.GetUniqueID())
+		{
+			// Remove the player from the recipe map:
+			m_Recipes.erase(itr);
+			return;
+		}
+	}  // for itr - m_Recipes[]
+	// Player not found - that is acceptable
+}
+
+
+
+
+
+void cSlotAreaCrafting::ClickedResult(cPlayer & a_Player)
+{
+	const cItem * ResultSlot = GetSlot(0, a_Player);
+	cItem & DraggingItem = a_Player.GetDraggingItem();
+
+	// Get the current recipe:
+	cCraftingRecipe & Recipe = GetRecipeForPlayer(a_Player);
+
+	cItem * PlayerSlots = GetPlayerSlots(a_Player) + 1;
+	cCraftingGrid Grid(PlayerSlots, m_GridSize, m_GridSize);
+
+	// If possible, craft:
+	if (DraggingItem.IsEmpty())
+	{
+		DraggingItem = Recipe.GetResult();
+		Recipe.ConsumeIngredients(Grid);
+		Grid.CopyToItems(PlayerSlots);
+	}
+	else if (DraggingItem.IsEqual(Recipe.GetResult()))
+	{
+		cItemHandler * Handler = ItemHandler(Recipe.GetResult().m_ItemType);
+		if (DraggingItem.m_ItemCount + Recipe.GetResult().m_ItemCount <= Handler->GetMaxStackSize())
+		{
+			DraggingItem.m_ItemCount += Recipe.GetResult().m_ItemCount;
+			Recipe.ConsumeIngredients(Grid);
+			Grid.CopyToItems(PlayerSlots);
+		}
+	}
+
+	// Get the new recipe and update the result slot:
+	UpdateRecipe(a_Player);
+	
+	// We're done. Send all changes to the client and bail out:
+	m_ParentWindow.BroadcastWholeWindow();
+}
+
+
+
+
+
+void cSlotAreaCrafting::ShiftClickedResult(cPlayer & a_Player)
+{
+	cItem Result(*GetSlot(0, a_Player));
+	if (Result.IsEmpty())
+	{
+		return;
+	}
+	cItem * PlayerSlots = GetPlayerSlots(a_Player) + 1;
+	do
+	{
+		// Try distributing the result. If it fails, bail out:
+		cItem ResultCopy(Result);
+		m_ParentWindow.DistributeStack(ResultCopy, a_Player, this, false);
+		if (!ResultCopy.IsEmpty())
+		{
+			// Couldn't distribute all of it. Bail out
+			return;
+		}
+		
+		// Distribute the result, this time for real:
+		ResultCopy = Result;
+		m_ParentWindow.DistributeStack(ResultCopy, a_Player, this, true);
+		
+		// Remove the ingredients from the crafting grid and update the recipe:
+		cCraftingRecipe & Recipe = GetRecipeForPlayer(a_Player);
+		cCraftingGrid Grid(PlayerSlots, m_GridSize, m_GridSize);
+		Recipe.ConsumeIngredients(Grid);
+		Grid.CopyToItems(PlayerSlots);
+		UpdateRecipe(a_Player);
+		if (!Recipe.GetResult().IsEqual(Result))
+		{
+			// The recipe has changed, bail out
+			return;
+		}
+	} while (true);
+}
+
+
+
+
+
+void cSlotAreaCrafting::UpdateRecipe(cPlayer & a_Player)
+{
+	cCraftingGrid   Grid(GetPlayerSlots(a_Player) + 1, m_GridSize, m_GridSize);
+	cCraftingRecipe & Recipe = GetRecipeForPlayer(a_Player);
+	cRoot::Get()->GetCraftingRecipes()->GetRecipe(&a_Player, Grid, Recipe);
+	SetSlot(0, a_Player, Recipe.GetResult());
+	m_ParentWindow.SendSlot(a_Player, this, 0);
+}
+
+
+
+
+
+cCraftingRecipe & cSlotAreaCrafting::GetRecipeForPlayer(cPlayer & a_Player)
+{
+	for (cRecipeMap::iterator itr = m_Recipes.begin(), end = m_Recipes.end(); itr != end; ++itr)
+	{
+		if (itr->first == a_Player.GetUniqueID())
+		{
+			return itr->second;
+		}
+	}  // for itr - m_Recipes[]
+	
+	// Not found. Add a new one:
+	cCraftingGrid   Grid(GetPlayerSlots(a_Player) + 1, m_GridSize, m_GridSize);
+	cCraftingRecipe Recipe(Grid);
+	cRoot::Get()->GetCraftingRecipes()->GetRecipe(&a_Player, Grid, Recipe);
+	m_Recipes.push_back(std::make_pair(a_Player.GetUniqueID(), Recipe));
+	return m_Recipes.back().second;
+}
+
+
+
+
+
+///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+// cSlotAreaEnderChest:
+
+cSlotAreaEnderChest::cSlotAreaEnderChest(cEnderChestEntity * a_EnderChest, cWindow & a_ParentWindow) :
+	cSlotArea(27, a_ParentWindow),
+	m_EnderChest(a_EnderChest)
+{
+}
+
+
+
+
+
+const cItem * cSlotAreaEnderChest::GetSlot(int a_SlotNum, cPlayer & a_Player) const
+{
+	// a_SlotNum ranges from 0 to 26, use that to index the chest entity's inventory directly:
+	return &(m_EnderChest->GetSlot(a_SlotNum));
+}
+
+
+
+
+
+void cSlotAreaEnderChest::SetSlot(int a_SlotNum, cPlayer & a_Player, const cItem & a_Item)
+{
+	m_EnderChest->SetSlot(a_SlotNum, a_Item);
+}
+
+
+
+
+
+///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+// cSlotAreaFurnace:
+
+cSlotAreaFurnace::cSlotAreaFurnace(cFurnaceEntity * a_Furnace, cWindow & a_ParentWindow) :
+	cSlotArea(3, a_ParentWindow),
+	m_Furnace(a_Furnace)
+{
+	m_Furnace->GetContents().AddListener(*this);
+}
+
+
+
+
+
+cSlotAreaFurnace::~cSlotAreaFurnace()
+{
+	m_Furnace->GetContents().RemoveListener(*this);
+}
+
+
+
+
+
+void cSlotAreaFurnace::Clicked(cPlayer & a_Player, int a_SlotNum, eClickAction a_ClickAction, const cItem & a_ClickedItem)
+{
+	super::Clicked(a_Player, a_SlotNum, a_ClickAction, a_ClickedItem);
+	
+	if (m_Furnace == NULL)
+	{
+		LOGERROR("cSlotAreaFurnace::Clicked(): m_Furnace == NULL");
+		ASSERT(!"cSlotAreaFurnace::Clicked(): m_Furnace == NULL");
+		return;
+	}
+}
+
+
+
+
+
+const cItem * cSlotAreaFurnace::GetSlot(int a_SlotNum, cPlayer & a_Player) const
+{
+	// a_SlotNum ranges from 0 to 2, query the items from the underlying furnace:
+	return &(m_Furnace->GetSlot(a_SlotNum));
+}
+
+
+
+
+
+void cSlotAreaFurnace::SetSlot(int a_SlotNum, cPlayer & a_Player, const cItem & a_Item)
+{
+	m_Furnace->SetSlot(a_SlotNum, a_Item);
+}
+
+
+
+
+
+void cSlotAreaFurnace::OnSlotChanged(cItemGrid * a_ItemGrid, int a_SlotNum)
+{
+	// Something has changed in the window, broadcast the entire window to all clients
+	ASSERT(a_ItemGrid == &(m_Furnace->GetContents()));
+	
+	m_ParentWindow.BroadcastWholeWindow();
+}
+
+
+
+
+
+///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+// cSlotAreaInventoryBase:
+
+cSlotAreaInventoryBase::cSlotAreaInventoryBase(int a_NumSlots, int a_SlotOffset, cWindow & a_ParentWindow) :
+	cSlotArea(a_NumSlots, a_ParentWindow),
+	m_SlotOffset(a_SlotOffset)
+{
+}
+
+
+
+
+
+void cSlotAreaInventoryBase::Clicked(cPlayer & a_Player, int a_SlotNum, eClickAction a_ClickAction, const cItem & a_ClickedItem)
+{
+	if (a_Player.IsGameModeCreative() && (m_ParentWindow.GetWindowType() == cWindow::wtInventory))
+	{
+		// Creative inventory must treat a_ClickedItem as a DraggedItem instead, replacing the inventory slot with it
+		SetSlot(a_SlotNum, a_Player, a_ClickedItem);
+		return;
+	}
+	
+	// Survival inventory and all other windows' inventory has the same handling as normal slot areas
+	super::Clicked(a_Player, a_SlotNum, a_ClickAction, a_ClickedItem);
+	return;
+}
+
+
+
+
+
+const cItem * cSlotAreaInventoryBase::GetSlot(int a_SlotNum, cPlayer & a_Player) const
+{
+	// a_SlotNum ranges from 0 to 35, map that to the player's inventory slots according to the internal offset
+	return &a_Player.GetInventory().GetSlot(a_SlotNum + m_SlotOffset);
+}
+
+
+
+
+
+void cSlotAreaInventoryBase::SetSlot(int a_SlotNum, cPlayer & a_Player, const cItem & a_Item)
+{
+	a_Player.GetInventory().SetSlot(a_SlotNum + m_SlotOffset, a_Item);
+}
+
+
+
+
+
+///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+// cSlotAreaArmor:
+
+void cSlotAreaArmor::DistributeStack(cItem & a_ItemStack, cPlayer & a_Player, bool a_ShouldApply, bool a_KeepEmptySlots)
+{
+	if (ItemCategory::IsHelmet(a_ItemStack.m_ItemType) && GetSlot(0, a_Player)->IsEmpty())
+	{
+		if (a_ShouldApply)
+		{
+			SetSlot(0, a_Player, a_ItemStack.CopyOne());
+		}
+		a_ItemStack.m_ItemCount -= 1;
+	}
+	else if (ItemCategory::IsChestPlate(a_ItemStack.m_ItemType) && GetSlot(1, a_Player)->IsEmpty())
+	{
+		if (a_ShouldApply)
+		{
+			SetSlot(1, a_Player, a_ItemStack.CopyOne());
+		}
+		a_ItemStack.m_ItemCount -= 1;
+	}
+	else if (ItemCategory::IsLeggings(a_ItemStack.m_ItemType) && GetSlot(2, a_Player)->IsEmpty())
+	{
+		if (a_ShouldApply)
+		{
+			SetSlot(2, a_Player, a_ItemStack.CopyOne());
+		}
+		a_ItemStack.m_ItemCount -= 1;
+	}
+	else if (ItemCategory::IsBoots(a_ItemStack.m_ItemType) && GetSlot(3, a_Player)->IsEmpty())
+	{
+		if (a_ShouldApply)
+		{
+			SetSlot(3, a_Player, a_ItemStack.CopyOne());
+		}
+		a_ItemStack.m_ItemCount -= 1;
+	}
+}
+
+
+
+
+
+///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+// cSlotAreaItemGrid:
+
+cSlotAreaItemGrid::cSlotAreaItemGrid(cItemGrid & a_ItemGrid, cWindow & a_ParentWindow) :
+	super(a_ItemGrid.GetNumSlots(), a_ParentWindow),
+	m_ItemGrid(a_ItemGrid)
+{
+	m_ItemGrid.AddListener(*this);
+}
+
+
+
+
+
+cSlotAreaItemGrid::~cSlotAreaItemGrid()
+{
+	m_ItemGrid.RemoveListener(*this);
+}
+
+
+
+
+
+const cItem * cSlotAreaItemGrid::GetSlot(int a_SlotNum, cPlayer & a_Player) const
+{
+	return &m_ItemGrid.GetSlot(a_SlotNum);
+}
+
+
+
+
+
+void cSlotAreaItemGrid::SetSlot(int a_SlotNum, cPlayer & a_Player, const cItem & a_Item)
+{
+	m_ItemGrid.SetSlot(a_SlotNum, a_Item);
+}
+
+
+
+
+
+void cSlotAreaItemGrid::OnSlotChanged(cItemGrid * a_ItemGrid, int a_SlotNum)
+{
+	ASSERT(a_ItemGrid == &m_ItemGrid);
+	m_ParentWindow.BroadcastSlot(this, a_SlotNum);
+}
+
+
+
+
+
+///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+// cSlotAreaTemporary:
+
+cSlotAreaTemporary::cSlotAreaTemporary(int a_NumSlots, cWindow & a_ParentWindow) :
+	cSlotArea(a_NumSlots, a_ParentWindow)
+{
+}
+
+
+
+
+
+const cItem * cSlotAreaTemporary::GetSlot(int a_SlotNum, cPlayer & a_Player) const
+{
+	cItemMap::const_iterator itr = m_Items.find(a_Player.GetUniqueID());
+	if (itr == m_Items.end())
+	{
+		LOGERROR("cSlotAreaTemporary: player \"%s\" not found for slot %d!", a_Player.GetName().c_str(), a_SlotNum);
+		ASSERT(!"cSlotAreaTemporary: player not found!");
+		
+		// Player not found, this should not happen, ever! Return NULL, but things may break by this.
+		return NULL;
+	}
+	
+	if (a_SlotNum >= (int)(itr->second.size()))
+	{
+		LOGERROR("cSlotAreaTemporary: asking for more slots than actually stored!");
+		ASSERT(!"cSlotAreaTemporary: asking for more slots than actually stored!");
+		return NULL;
+	}
+	
+	return &(itr->second[a_SlotNum]);
+}
+
+
+
+
+
+void cSlotAreaTemporary::SetSlot(int a_SlotNum, cPlayer & a_Player, const cItem & a_Item)
+{
+	cItemMap::iterator itr = m_Items.find(a_Player.GetUniqueID());
+	if (itr == m_Items.end())
+	{
+		// Player not found
+		LOGWARNING("cSlotAreaTemporary: player not found!");
+		return;
+	}
+	
+	if (a_SlotNum >= (int)(itr->second.size()))
+	{
+		LOGERROR("cSlotAreaTemporary: asking for more slots than actually stored!");
+		return;
+	}
+	
+	itr->second[a_SlotNum] = a_Item;
+}
+
+
+
+
+
+void cSlotAreaTemporary::OnPlayerAdded(cPlayer & a_Player)
+{
+	ASSERT(m_Items.find(a_Player.GetUniqueID()) == m_Items.end());  // The player shouldn't be in the itemmap, otherwise we probably have a leak
+	m_Items[a_Player.GetUniqueID()].resize(m_NumSlots);  // Make the vector the specified size of empty items
+}
+
+
+
+
+
+void cSlotAreaTemporary::OnPlayerRemoved(cPlayer & a_Player)
+{
+	cItemMap::iterator itr = m_Items.find(a_Player.GetUniqueID());
+	ASSERT(itr != m_Items.end());  // The player should be in the list, otherwise a call to OnPlayerAdded() was mismatched
+	m_Items.erase(itr);
+}
+
+
+
+
+
+void cSlotAreaTemporary::TossItems(cPlayer & a_Player, int a_Begin, int a_End)
+{
+	cItemMap::iterator itr = m_Items.find(a_Player.GetUniqueID());
+	if (itr == m_Items.end())
+	{
+		LOGWARNING("Player tossing items (%s) not found in the item map", a_Player.GetName().c_str());
+		return;
+	}
+	
+	cItems Drops;
+	for (int i = a_Begin; i < a_End; i++)
+	{
+		cItem & Item = itr->second[i];
+		if (!Item.IsEmpty())
+		{
+			Drops.push_back(Item);
+		}
+		Item.Empty();
+	}  // for i - itr->second[]
+	
+	double vX = 0, vY = 0, vZ = 0;
+	EulerToVector(-a_Player.GetRotation(), a_Player.GetPitch(), vZ, vX, vY);
+	vY = -vY * 2 + 1.f;
+	a_Player.GetWorld()->SpawnItemPickups(Drops, a_Player.GetPosX(), a_Player.GetPosY() + 1.6f, a_Player.GetPosZ(), vX * 3, vY * 3, vZ * 3, true); // 'true' because player created
+}
+
+
+
+
+
+cItem * cSlotAreaTemporary::GetPlayerSlots(cPlayer & a_Player)
+{
+	cItemMap::iterator itr = m_Items.find(a_Player.GetUniqueID());
+	if (itr == m_Items.end())
+	{
+		return NULL;
+	}
+	return &(itr->second[0]);
+}
+
+
+
+