reorganize modules

modules/game_healthbar/healthbar.lua

@@ -0,0 +1,65 @@
+HealthBar = {}
+
+-- private variables
+local healthManaPanel = nil
+
+-- public functions
+function HealthBar.create()
+  healthManaPanel = UI.display('healthbar.otui', { parent = Game.gameRightPanel })
+
+  local healthBar = UIProgressBar.create()
+  healthManaPanel:addChild(healthBar)
+  healthBar:setId('healthBar')
+  healthBar:setStyle('HealthBar')
+
+  local healthLabel = UILabel.create()
+  healthManaPanel:addChild(healthLabel)
+  healthLabel:setId('healthLabel')
+  healthLabel:setStyle('HealthLabel')
+  healthLabel:setText('0 / 0')
+
+  local manaBar = UIProgressBar.create()
+  healthManaPanel:addChild(manaBar)
+  manaBar:setId('manaBar')
+  manaBar:setStyle('ManaBar')
+
+  local manaLabel = UILabel.create()
+  healthManaPanel:addChild(manaLabel)
+  manaLabel:setId('manaLabel')
+  manaLabel:setStyle('ManaLabel')
+  manaLabel:setText('0 / 0')
+
+  healthManaPanel:setHeight(healthBar:getHeight() + manaBar:getHeight() + 4)
+end
+
+function HealthBar.destroy()
+  healthManaPanel:destroy()
+  healthManaPanel = nil
+end
+
+-- hooked events
+function Game.onHealthChange(health, maxHealth)
+  local label = healthManaPanel:getChildById('healthLabel')
+  label:setText(health .. ' / ' .. maxHealth)
+
+  local healthBar = healthManaPanel:getChildById('healthBar')
+  healthBar:setPercent(health / maxHealth * 100)
+end
+
+function Game.onManaChange(mana, maxMana)
+  local label = healthManaPanel:getChildById('manaLabel')
+  label:setText(mana .. ' / ' .. maxMana)
+
+  local manaBar = healthManaPanel:getChildById('manaBar')
+
+  local percent
+  if maxMana == 0 then
+    percent = 100
+  else
+    percent = mana / maxMana * 100
+  end
+  manaBar:setPercent(percent)
+end
+
+connect(Game, { onLogin = HealthBar.create,
+                onLogout = HealthBar.destroy })