Mouse Handler Object (PICO-8, Lua)

mouse.lua

Mouse = {}

function Mouse:new(o)
  o = o or {}
  o.posx = o.posx  or 10
  o.posy = o.posy  or 20
  o.mapx = flr(o.posx / 8)
  o.mapy = flr(o.posy / 8)
  o.busy_hand = false
  o.sprite = 8
  o.sprite_pressed = 9
  o.btnpressed = 0
  o.mouseover = 0
  o.grabbed_item = 0
  o.reload = function () end 
  o.modes = {
        pointer = function(mouse) mouse:pointer() end,
        ground  = function(mouse) mouse:ground() end,
        rubber  = function(mouse) mouse:rubber() end
    }
    o.drawing = {
        pointer = function(mouse) mouse:pointer_draw() end,
        ground  = function(mouse) mouse:ground_draw() end,
        rubber  = function(mouse) mouse:rubber_draw() end
    }
   o.current_draw = o.drawing.pointer
   o.previous_mode = o.modes.pointer
   o.current_mode = o.modes.pointer
   o.animation_player = nil
   o.last_click_x = 0
   o.last_click_y = 0
  setmetatable(o, {__index = self})
  return o
end