experimental minimap

* a lot of rework in MapView
* new APIs for UIMap

modules/game_minimap/minimap.lua

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+Minimap = {}
+
+-- private variables
+local minimapWidget
+local minimapButton
+
+-- private functions
+function onMinimapMouseRelease(self, mousePosition, mouseButton)
+  local tile = self:getTile(mousePosition)
+  if tile and mouseButton == MouseLeftButton and self:isPressed() then
+    local dirs = g_map.findPath(g_game.getLocalPlayer():getPosition(), tile:getPosition(), 255)
+    if #dirs == 0 then
+      TextMessage.displayStatus('There is no way.')
+      return true
+    end
+    g_game.autoWalk(dirs)
+    return true
+  end
+  return false
+end
+
+
+function onMinimapMouseWheel(self, mousePos, direction)
+  if direction == MouseWheelUp then
+    self:zoomIn()
+  else
+    self:zoomOut()
+  end
+end
+
+-- public functions
+function Minimap.init()
+  connect(g_game, { onLogin = Minimap.reset })
+  Keyboard.bindKeyDown('Ctrl+M', Minimap.toggle)
+
+  minimapButton = TopMenu.addGameToggleButton('minimapButton', 'Minimap (Ctrl+M)', 'minimap.png', Minimap.toggle)
+  minimapButton:setOn(true)
+
+  minimapWidget = loadUI('minimap.otui', GameInterface.getMapPanel())
+  minimapWidget.onMouseRelease = onMinimapMouseRelease
+  minimapWidget.onMouseWheel = onMinimapMouseWheel
+end
+
+function Minimap.terminate()
+  Keyboard.unbindKeyDown('Ctrl+M')
+  disconnect(g_game, { onLogin = Minimap.reset })
+
+  minimapWidget:destroy()
+  minimapWidget = nil
+  minimapButton:destroy()
+  minimapButton = nil
+end
+
+function Minimap.toggle()
+  local visible = not minimapWidget:isExplicitlyVisible()
+  minimapWidget:setVisible(visible)
+  minimapButton:setOn(visible)
+end
+
+function Minimap.reset()
+  minimapWidget:followCreature(g_game.getLocalPlayer())
+  for i=1,10 do minimapWidget:zoomOut() end
+end
+

modules/game_minimap/minimap.otmod

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+Module
+  name: game_minimap
+  description: Manage minimap
+  author: OTClient team
+  website: https://github.com/edubart/otclient
+
+  dependecies:
+    - game
+
+  @onLoad: |
+    dofile 'minimap'
+    Minimap.init()
+
+  @onUnload:
+    Minimap.terminate()

modules/game_minimap/minimap.otui

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+UIMap
+  id: minimap
+  anchors.top: parent.top
+  anchors.right: parent.right
+  size: 256 192
+  margin-top: 2
+  margin-right: 2
+  border-width: 1
+  border-color: #888888
+  padding: 1
+  //draw-minimap-colors: true
+  multifloor: false
+  draw-texts: false
+
+  CheckBox
+    anchors.top: parent.top
+    anchors.right: parent.right
+    margin-top: 2
+    margin-right: 2
+    size: 16 16
+    @onCheckChange: self:getParent():setDrawMinimapColors(self:isChecked())