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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,
},