introduce startup options

* startup options with -help and -version
* many startup options for graphics

modules/game_containers/container.otui

@@ -0,0 +1,11 @@
+MiniWindow
+  size: 200 221
+
+  layout:
+    type: grid
+    cell-size: 34 34
+    cell-spacing: 5
+    num-columns: 4
+    num-lines: 5
+
+

modules/game_containers/containers.lua

@@ -0,0 +1,138 @@
+Containers = {}
+
+-- private variables
+local m_containers = {}
+
+-- public functions
+function Containers.clean()
+  m_containers = {}
+end
+
+function Containers.getFreeContainerId()
+  for i=0,15 do
+    if not m_containers[i] then
+      return i
+    end
+  end
+  return 0
+end
+
+-- hooked events
+function Containers.onOpenContainer(containerId, itemId, name, capacity, hasParent, items)
+  local container = m_containers[containerId]
+  if container then
+    g_game.gameRightPanel:removeChild(container)
+  end
+
+  container = displayUI('container.otui', g_game.gameRightPanel)
+  name = name:sub(1,1):upper() .. name:sub(2)
+  container:setText(name)
+
+  -- set icon, itemid
+  -- closebutton
+  -- resize
+  if hasParent then
+    -- parent button
+  end
+
+  container.itemCount = #items
+  container.capacity = capacity
+
+  for i=1,capacity do
+    local itemWidget = UIItem.create()
+    itemWidget:setStyle('Item')
+    container:addChild(itemWidget)
+    itemWidget.position = {x=65535, y=containerId+64, z=i-1}
+
+    if i <= #items then
+      local item = items[i]
+      item:setPosition(itemWidget.position)
+      itemWidget:setItem(item)
+    end
+  end
+
+  m_containers[containerId] = container
+end
+
+function Containers.onCloseContainer(containerId)
+  local container = m_containers[containerId]
+  if container then
+    g_game.gameRightPanel:removeChild(container)
+  end
+  m_containers[containerId] = nil
+end
+
+function Containers.onContainerAddItem(containerId, item)
+  local container = m_containers[containerId]
+  if not container or not item or container.itemCount >= container.capacity then return end
+
+  local i = container.itemCount
+  while i >= 1 do
+    local itemWidget = container:getChildByIndex(i)
+    if not itemWidget then return end
+
+    local nextItemWidget = container:getChildByIndex(i+1)
+    if not nextItemWidget then return end
+
+    local swapItem = itemWidget:getItem()
+    if swapItem then
+      swapItem:setPosition(nextItemWidget.position)
+      nextItemWidget:setItem(swapItem)
+    end
+
+    i = i - 1
+  end
+
+  local itemWidget = container:getChildByIndex(1)
+  if not itemWidget then return end
+  item:setPosition(itemWidget.position)
+  itemWidget:setItem(item)
+
+  container.itemCount = container.itemCount + 1
+end
+
+function Containers.onContainerUpdateItem(containerId, slot, item)
+  local container = m_containers[containerId]
+  if not container then return end
+
+  local itemWidget = container:getChildByIndex(slot + 1)
+  if not itemWidget then return end
+  itemWidget:setItem(item)
+  item:setPosition(itemWidget.position)
+end
+
+function Containers.onContainerRemoveItem(containerId, slot)
+  local container = m_containers[containerId]
+  if not container then return end
+
+  local itemWidget = container:getChildByIndex(slot+1)
+  if not itemWidget then return end
+  itemWidget:setItem(nil)
+
+  for i=slot,container.itemCount-2 do
+    local itemWidget = container:getChildByIndex(i+1)
+    if not itemWidget then return end
+
+    local nextItemWidget = container:getChildByIndex(i+2)
+    if not nextItemWidget then return end
+
+    local item = nextItemWidget:getItem()
+    local pos = item:getPosition()
+    pos.z = pos.z - 1
+    item:setPosition(pos)
+
+    itemWidget:setItem(item)
+    nextItemWidget:setItem(nil)
+  end
+
+  container.itemCount = container.itemCount - 1
+end
+
+connect(g_game, { onGameStart = Containers.clean,
+                onGameEnd = Containers.clean,
+                onOpenContainer = Containers.onOpenContainer,
+                onCloseContainer = Containers.onCloseContainer,
+                onContainerAddItem = Containers.onContainerAddItem,
+                onContainerUpdateItem = Containers.onContainerUpdateItem,
+                onContainerRemoveItem = Containers.onContainerRemoveItem })
+

modules/game_containers/containers.otmod

@@ -0,0 +1,7 @@
+Module
+  name: game_containers
+  description: Manage containers
+  author: OTClient team
+  website: https://github.com/edubart/otclient
+  onLoad: |
+    dofile 'containers'