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Open sys/lua/cs2dtibia/config.lua
Go To Line With
     WEAPONRANGE = {
          [34] = 350,
          [46] = 128,
          [50] = 27,
          [69] = 32,
          [78] = 32,
     },
     WEAPONWIDTH = {
          [34] = math.pi/12,
          [46] = math.pi/8,
          [50] = math.pi*2/3,
          [69] = math.pi*2/3,
          [78] = math.pi*2/3,
     }
Add Weapons Ids Like This : (eg Laser {45})
     WEAPONRANGE = {
          [45] = 350,
          [34] = 350,
          [46] = 128,
          [50] = 27,
          [69] = 32,
          [78] = 32,
     },
     WEAPONWIDTH = {
          [45] = math.pi/12,
          [34] = math.pi/12,
          [46] = math.pi/8,
          [50] = math.pi*2/3,
          [69] = math.pi*2/3,
          [78] = math.pi*2/3,
     }
Copy Wooden Crossbow Structure Then Add Item in Items.lua


     [307] = {
          name = "wooden crossbow",
          desc = "It requires you to hold it with two hands.",
          r = 128, g = 64, b = 0,
          action = "equip",
          slot = 3,
          twohand = true,
          eimage = "gfx/weiwen/bow.png",
          fimage = "gfx/weiwen/bow.png",
          offsety = 9,
          equip = 34,
          atk = 0.1,
          speed = -2.5,
          func = equip,
     },

     [307] = {
          name = "Laser",
          desc = "Killin' Spree",
          action = "equip",
          slot = 3,
          twohand = false,
          equip = 45,
          atk = 999,
          speed = 10,
          func = equip,
     },