reorganize modules

modules/game_chat/chat.lua

@@ -0,0 +1,36 @@
+Chat = {}
+
+-- private variables
+local chatPanel
+local chatBuffer
+
+-- private functions
+local function onCreatureSpeak(name, level, msgtype, message)
+  style = 'ChatLabel'
+  if name and level > 0 then
+      message = name .. ' [' .. level .. ']: ' .. message
+      style = 'YellowChatLabel'
+  end
+
+  local label = UILabel.create()
+  label:setStyle(style)
+  label:setText(message)
+  chatBuffer:addChild(label)
+end
+
+-- public functions
+function Chat.create()
+  chatPanel = UI.display('chat.otui', { parent = Game.gameBottomPanel } )
+  chatBuffer = chatPanel:getChildById('chatBuffer')
+end
+
+function Chat.destroy()
+  chatPanel:destroy()
+  chatPanel = nil
+end
+
+-- hooked events
+
+connect(Game, { onLogin = Chat.create,
+                onLogout = Chat.destroy,
+                onCreatureSpeak = onCreatureSpeak})