configuration window

inc/system/system.input.lua

@@ -1,7 +1,7 @@
 function Input.up() return btnp(0) end
 function Input.down() return btnp(1) end
-function Input.left() return btn(2) end
-function Input.right() return btn(3) end
+function Input.left() return btnp(2) end
+function Input.right() return btnp(3) end
 function Input.player_jump() return btnp(4) end
 function Input.menu_confirm() return btnp(4) end
 function Input.player_interact() return btnp(5) end -- B button

inc/system/system.main.lua

@@ -29,6 +29,10 @@ local STATE_HANDLERS = {
     PopupWindow.draw()
     PopupWindow.update()
   end,
+  [WINDOW_CONFIGURATION] = function()
+    ConfigurationWindow.update()
+    ConfigurationWindow.draw()
+  end,
 }
 
 function TIC()

inc/system/system.ui.lua

@@ -65,3 +65,15 @@ function UI.word_wrap(text, max_chars_per_line)
     return lines
 end
 
+function UI.create_numeric_stepper(label, value_getter, value_setter, min, max, step, format)
+  return {
+    label = label,
+    get = value_getter,
+    set = value_setter,
+    min = min,
+    max = max,
+    step = step,
+    format = format or "%.1f",
+    type = "numeric_stepper"
+  }
+end