modules/menusystem: add a way to manage menusystem activity

gamecore/modules/menusystem/init.lua

@@ -41,12 +41,28 @@ MenuSystem.Widget       = require(cwd .. "widgets")
 function MenuSystem:new()
   self.menus = {}
   self.focusedMenu = ""
+  self.isActive = true
 end
 
 function MenuSystem:reset()
   self.menus = {}
 end
 
+-- ACTIVATION FUNCTIONS
+-- Activate and deactivate the whole menusystem
+
+function MenuSystem:activate()
+  self.isActive = true
+end
+
+function MenuSystem:deactivate()
+  self.isActive = false
+end
+
+function MenuSystem:getActiveState()
+  return self.isActive
+end
+
 -- MENUS FUNCTIONS
 -- Controle the menus of the menusystem
 
@@ -128,45 +144,52 @@ end
 -- Update the menus of the menusystem
 
 function MenuSystem:update(dt)
-  self:removeDestroyedMenus()
-  for k,v in pairs(self.menus) do
-    v:update(dt)
-    v:updateWidgets(dt)
-  end
+  if (self.isActive) then
+    self:removeDestroyedMenus()
+    for k,v in pairs(self.menus) do
+      v:update(dt)
+      v:updateWidgets(dt)
+    end
 
-  if self.menus[self.focusedMenu] ~= nil then
-    -- Only check buttons if the current focused menu is actually active
-    if self.menus[self.focusedMenu].isActive then
-      for k,v in pairs(self.keys) do
-        if self.keys[k].isPressed then
-          self.menus[self.focusedMenu]:keyreleased(k)
+    if self.menus[self.focusedMenu] ~= nil then
+      -- Only check buttons if the current focused menu is actually active
+      if self.menus[self.focusedMenu].isActive then
+        for k,v in pairs(self.keys) do
+          if self.keys[k].isPressed then
+            self.menus[self.focusedMenu]:keyreleased(k)
+          end
         end
       end
     end
   end
-
 end
 
 -- MOUSE FUNCTIONS
 -- Send mouse inputs to the menu
 
 function MenuSystem:mousemoved(x, y, dx, dy)
-  for k,v in pairs(self.menus) do
-    if v.isActive then
-      if (x > v.x) and (x < v.x + v.w) and (y > v.y) and (y < v.y + v.h) then
-        v:mousemoved(x - v.x, y - v.y)
-        break;
+  if (self.isActive) then
+
+    for k,v in pairs(self.menus) do
+      if v.isActive then
+        if (x > v.x) and (x < v.x + v.w) and (y > v.y) and (y < v.y + v.h) then
+          v:mousemoved(x - v.x, y - v.y)
+          break;
+        end
       end
     end
+
   end
 end
 
 function MenuSystem:mousepressed( x, y, button, istouch )
-  for k,v in pairs(self.menus) do
-    if v.isActive then
-      if (x > v.x) and (x < v.x + v.w) and (y > v.y) and (y < v.y + v.h) then
-        v:mousepressed(x - v.x, y - v.y, button, istouch )
-        break;
+  if (self.isActive) then
+    for k,v in pairs(self.menus) do
+      if v.isActive then
+        if (x > v.x) and (x < v.x + v.w) and (y > v.y) and (y < v.y + v.h) then
+          v:mousepressed(x - v.x, y - v.y, button, istouch )
+          break;
+        end
       end
     end
   end
@@ -188,22 +211,24 @@ function MenuSystem:getDrawList()
   return drawList
 end
 
-function MenuSystem:draw(dt) -- On dessine les entitées
-  self.drawList = self:getDrawList()
+function MenuSystem:draw(dt)
+  if (self.isActive) then
+    -- Draw all the menus
+    self.drawList = self:getDrawList()
 
-  for i,v in ipairs(self.drawList) do
-    local v2 = self.menus[v.name]
-    if (v2.isVisible) then
-      v2:draw(dt)
+    for i,v in ipairs(self.drawList) do
+      local v2 = self.menus[v.name]
+      if (v2.isVisible) then
+        v2:draw(dt)
+      end
+    end
+
+    if self.menus[self.focusedMenu] ~= nil then
+      if (self.menus[self.focusedMenu].isVisible) then
+        self.menus[self.focusedMenu]:drawCursor()
+      end
     end
   end
-
-  if self.menus[self.focusedMenu] ~= nil then
-    if (self.menus[self.focusedMenu].isVisible) then
-      self.menus[self.focusedMenu]:drawCursor()
-    end
-  end
-
 end
 
 return MenuSystem