inventory module

modules/inventory/inventory.lua

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+Inventory = {}
+
+-- private variables
+local window = nil
+
+local InventorySlotHead = 1
+local InventorySlotNecklace = 2
+local InventorySlotBackpack = 3
+local InventorySlotArmor = 4
+local InventorySlotRight = 5
+local InventorySlotLeft = 6
+local InventorySlotLegs = 7
+local InventorySlotFeet = 8
+local InventorySlotRing = 9
+local InventorySlotAmmo = 10
+
+-- public functions
+function Inventory.create()
+  window = loadUI("/inventory/inventory.otui", Game.gameRightPanel)
+  
+  local itemWidget = window:getChildById('feet')
+  window:setHeight(itemWidget:getPosition().y + itemWidget:getHeight() - window:getPosition().y)
+  
+end
+
+function Inventory.destroy()
+  window:destroy()
+  window = nil
+end
+
+-- hooked events
+function Game.onInventoryChange(slot, item)
+  local slotId
+  if slot == InventorySlotHead then
+    slotId = 'head'
+  elseif slot == InventorySlotNecklace then
+    slotId = 'necklace'
+  elseif slot == InventorySlotBackpack then
+    slotId = 'backpack'
+  elseif slot == InventorySlotArmor then
+    slotId = 'armor'
+  elseif slot == InventorySlotRight then
+    slotId = 'right'
+  elseif slot == InventorySlotLeft then
+    slotId = 'left'
+  elseif slot == InventorySlotLegs then
+    slotId = 'legs'
+  elseif slot == InventorySlotFeet then
+    slotId = 'feet'
+  elseif slot == InventorySlotRing then
+    slotId = 'ring'
+  elseif slot == InventorySlotAmmo then
+    slotId = 'ammo'
+  end
+  
+  local itemWidget = window:getChildById(slotId)
+  itemWidget:setItem(item)
+end
+
+connect(Game, { onLogin = Inventory.create,
+                onLogout = Inventory.destroy })