order inc files to folders

inc/system/system.main.lua

@@ -0,0 +1,40 @@
+local STATE_HANDLERS = {
+  [WINDOW_SPLASH] = function()
+    SplashWindow.update()
+    SplashWindow.draw()
+  end,
+  [WINDOW_INTRO] = function()
+    IntroWindow.update()
+    IntroWindow.draw()
+  end,
+  [WINDOW_MENU] = function()
+    MenuWindow.update()
+    MenuWindow.draw()
+  end,
+  [WINDOW_GAME] = function()
+    GameWindow.update()
+    GameWindow.draw()
+  end,
+  [WINDOW_POPUP] = function()
+    GameWindow.draw()
+    PopupWindow.update()
+    PopupWindow.draw()
+  end,
+  [WINDOW_INVENTORY] = function()
+    InventoryWindow.update()
+    InventoryWindow.draw()
+  end,
+  [WINDOW_INVENTORY_ACTION] = function()
+    InventoryWindow.draw()
+    PopupWindow.draw()
+    PopupWindow.update()
+  end,
+}
+
+function TIC()
+  cls(Config.colors.black)
+  local handler = STATE_HANDLERS[Context.active_window]
+  if handler then
+    handler()
+  end
+end