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fulpstation/code/modules/projectiles/gun.dm
KorPhaeron a643cb92f0 Dual (or more!) Wielding (#21397) 
* Dual (or more!) Wielding

* Removes an extra line

* Shotguns can't be dual wielded
2016-11-14 12:02:00 +13:00

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/obj/item/weapon/gun
name = "gun"
desc = "It's a gun. It's pretty terrible, though."
icon = 'icons/obj/guns/projectile.dmi'
icon_state = "detective"
item_state = "gun"
flags = CONDUCT
slot_flags = SLOT_BELT
materials = list(MAT_METAL=2000)
w_class = 3
throwforce = 5
throw_speed = 3
throw_range = 5
force = 5
origin_tech = "combat=1"
needs_permit = 1
unique_rename = 0
attack_verb = list("struck", "hit", "bashed")
var/fire_sound = "gunshot"
var/suppressed = 0 //whether or not a message is displayed when fired
var/can_suppress = 0
var/can_unsuppress = 1
var/recoil = 0 //boom boom shake the room
var/clumsy_check = 1
var/obj/item/ammo_casing/chambered = null
var/trigger_guard = TRIGGER_GUARD_NORMAL //trigger guard on the weapon, hulks can't fire them with their big meaty fingers
var/sawn_desc = null //description change if weapon is sawn-off
var/sawn_state = SAWN_INTACT
var/burst_size = 1 //how large a burst is
var/fire_delay = 0 //rate of fire for burst firing and semi auto
var/firing_burst = 0 //Prevent the weapon from firing again while already firing
var/semicd = 0 //cooldown handler
var/weapon_weight = WEAPON_LIGHT
var/spread = 0 //Spread induced by the gun itself.
var/randomspread = 1 //Set to 0 for shotguns. This is used for weapons that don't fire all their bullets at once.
var/unique_reskin = 0 //allows one-time reskinning
var/current_skin = null //the skin choice if we had a reskin
var/list/options = list()
lefthand_file = 'icons/mob/inhands/guns_lefthand.dmi'
righthand_file = 'icons/mob/inhands/guns_righthand.dmi'
var/obj/item/device/firing_pin/pin = /obj/item/device/firing_pin //standard firing pin for most guns
var/obj/item/device/flashlight/gun_light = null
var/can_flashlight = 0
var/list/upgrades = list()
var/ammo_x_offset = 0 //used for positioning ammo count overlay on sprite
var/ammo_y_offset = 0
var/flight_x_offset = 0
var/flight_y_offset = 0
//Zooming
var/zoomable = FALSE //whether the gun generates a Zoom action on creation
var/zoomed = FALSE //Zoom toggle
var/zoom_amt = 3 //Distance in TURFs to move the user's screen forward (the "zoom" effect)
var/datum/action/toggle_scope_zoom/azoom
/obj/item/weapon/gun/New()
..()
if(pin)
pin = new pin(src)
if(gun_light)
verbs += /obj/item/weapon/gun/proc/toggle_gunlight
new /datum/action/item_action/toggle_gunlight(src)
build_zooming()
/obj/item/weapon/gun/CheckParts(list/parts_list)
..()
var/obj/item/weapon/gun/G = locate(/obj/item/weapon/gun) in contents
if(G)
G.loc = loc
qdel(G.pin)
G.pin = null
visible_message("[G] can now fit a new pin, but old one was destroyed in the process.", null, null, 3)
qdel(src)
/obj/item/weapon/gun/examine(mob/user)
..()
if(pin)
user << "It has [pin] installed."
else
user << "It doesn't have a firing pin installed, and won't fire."
if(unique_reskin && !current_skin)
user << "<span class='notice'>Alt-click it to reskin it.</span>"
//called after the gun has successfully fired its chambered ammo.
/obj/item/weapon/gun/proc/process_chamber()
return 0
//check if there's enough ammo/energy/whatever to shoot one time
//i.e if clicking would make it shoot
/obj/item/weapon/gun/proc/can_shoot()
return 1
/obj/item/weapon/gun/proc/shoot_with_empty_chamber(mob/living/user as mob|obj)
user << "<span class='danger'>*click*</span>"
playsound(user, 'sound/weapons/empty.ogg', 100, 1)
/obj/item/weapon/gun/proc/shoot_live_shot(mob/living/user as mob|obj, pointblank = 0, mob/pbtarget = null, message = 1)
if(recoil)
shake_camera(user, recoil + 1, recoil)
if(suppressed)
playsound(user, fire_sound, 10, 1)
else
playsound(user, fire_sound, 50, 1)
if(message)
if(pointblank)
user.visible_message("<span class='danger'>[user] fires [src] point blank at [pbtarget]!</span>", null, null, COMBAT_MESSAGE_RANGE)
else
user.visible_message("<span class='danger'>[user] fires [src]!</span>", null, null, COMBAT_MESSAGE_RANGE)
/obj/item/weapon/gun/emp_act(severity)
for(var/obj/O in contents)
O.emp_act(severity)
/obj/item/weapon/gun/afterattack(atom/target, mob/living/user, flag, params)
if(firing_burst)
return
if(flag) //It's adjacent, is the user, or is on the user's person
if(target in user.contents) //can't shoot stuff inside us.
return
if(!ismob(target) || user.a_intent == "harm") //melee attack
return
if(target == user && user.zone_selected != "mouth") //so we can't shoot ourselves (unless mouth selected)
return
if(istype(user))//Check if the user can use the gun, if the user isn't alive(turrets) assume it can.
var/mob/living/L = user
if(!can_trigger_gun(L))
return
if(!can_shoot()) //Just because you can pull the trigger doesn't mean it can shoot.
shoot_with_empty_chamber(user)
return
if(flag)
if(user.zone_selected == "mouth")
handle_suicide(user, target, params)
return
//Exclude lasertag guns from the CLUMSY check.
if(clumsy_check)
if(istype(user))
if (user.disabilities & CLUMSY && prob(40))
user << "<span class='userdanger'>You shoot yourself in the foot with [src]!</span>"
var/shot_leg = pick("l_leg", "r_leg")
process_fire(user,user,0,params, zone_override = shot_leg)
user.drop_item()
return
if(weapon_weight == WEAPON_HEAVY && user.get_inactive_held_item())
user << "<span class='userdanger'>You need both hands free to fire [src]!</span>"
return
//DUAL (or more!) WIELDING
var/bonus_spread = 0
var/loop_counter = 0
if(ishuman(user) && user.a_intent == "harm")
var/mob/living/carbon/human/H = user
for(var/obj/item/weapon/gun/G in H.held_items)
if(G == src || G.weapon_weight >= WEAPON_MEDIUM)
continue
else if(G.can_trigger_gun(user))
bonus_spread += 24 * G.weapon_weight
loop_counter++
spawn(loop_counter)
G.process_fire(target,user,1,params, null, bonus_spread)
process_fire(target,user,1,params, null, bonus_spread)
/obj/item/weapon/gun/proc/can_trigger_gun(var/mob/living/user)
if(!handle_pins(user) || !user.can_use_guns(src))
return 0
return 1
/obj/item/weapon/gun/proc/handle_pins(mob/living/user)
if(pin)
if(pin.pin_auth(user) || pin.emagged)
return 1
else
pin.auth_fail(user)
return 0
else
user << "<span class='warning'>[src]'s trigger is locked. This weapon doesn't have a firing pin installed!</span>"
return 0
obj/item/weapon/gun/proc/recharge_newshot()
return
/obj/item/weapon/gun/proc/process_fire(atom/target as mob|obj|turf, mob/living/user as mob|obj, message = 1, params, zone_override, bonus_spread = 0)
add_fingerprint(user)
if(semicd)
return
var/sprd = 0
var/randomized_gun_spread = 0
if(spread)
randomized_gun_spread = rand(0,spread)
var/randomized_bonus_spread = rand(0, bonus_spread)
if(burst_size > 1)
firing_burst = 1
for(var/i = 1 to burst_size)
if(!user)
break
if(!issilicon(user))
if( i>1 && !(user.is_holding(src))) //for burst firing
break
if(chambered && chambered.BB)
if(randomspread)
sprd = round((rand() - 0.5) * (randomized_gun_spread + randomized_bonus_spread))
else //Smart spread
sprd = round((i / burst_size - 0.5) * (randomized_gun_spread + randomized_bonus_spread))
if(!chambered.fire_casing(target, user, params, ,suppressed, zone_override, sprd))
shoot_with_empty_chamber(user)
break
else
if(get_dist(user, target) <= 1) //Making sure whether the target is in vicinity for the pointblank shot
shoot_live_shot(user, 1, target, message)
else
shoot_live_shot(user, 0, target, message)
else
shoot_with_empty_chamber(user)
break
process_chamber()
update_icon()
sleep(fire_delay)
firing_burst = 0
else
if(chambered)
sprd = round((pick(1,-1)) * (randomized_gun_spread + randomized_bonus_spread))
if(!chambered.fire_casing(target, user, params, , suppressed, zone_override, sprd))
shoot_with_empty_chamber(user)
return
else
if(get_dist(user, target) <= 1) //Making sure whether the target is in vicinity for the pointblank shot
shoot_live_shot(user, 1, target, message)
else
shoot_live_shot(user, 0, target, message)
else
shoot_with_empty_chamber(user)
return
process_chamber()
update_icon()
semicd = 1
spawn(fire_delay)
semicd = 0
if(user)
user.update_inv_hands()
feedback_add_details("gun_fired","[src.type]")
/obj/item/weapon/gun/attack(mob/M as mob, mob/user)
if(user.a_intent == "harm") //Flogging
..()
else
return
/obj/item/weapon/gun/attackby(obj/item/I, mob/user, params)
if(can_flashlight)
if(istype(I, /obj/item/device/flashlight/seclite))
var/obj/item/device/flashlight/seclite/S = I
if(!gun_light)
if(!user.unEquip(I))
return
user << "<span class='notice'>You click [S] into place on [src].</span>"
if(S.on)
SetLuminosity(0)
gun_light = S
I.loc = src
update_icon()
update_gunlight(user)
verbs += /obj/item/weapon/gun/proc/toggle_gunlight
var/datum/action/A = new /datum/action/item_action/toggle_gunlight(src)
if(loc == user)
A.Grant(user)
if(istype(I, /obj/item/weapon/screwdriver))
if(gun_light)
for(var/obj/item/device/flashlight/seclite/S in src)
user << "<span class='notice'>You unscrew the seclite from [src].</span>"
gun_light = null
S.forceMove(get_turf(user))
update_gunlight(user)
S.update_brightness(user)
update_icon()
verbs -= /obj/item/weapon/gun/proc/toggle_gunlight
for(var/datum/action/item_action/toggle_gunlight/TGL in actions)
qdel(TGL)
/obj/item/weapon/gun/proc/toggle_gunlight()
set name = "Toggle Gunlight"
set category = "Object"
set desc = "Click to toggle your weapon's attached flashlight."
if(!gun_light)
return
var/mob/living/carbon/human/user = usr
gun_light.on = !gun_light.on
user << "<span class='notice'>You toggle the gunlight [gun_light.on ? "on":"off"].</span>"
playsound(user, 'sound/weapons/empty.ogg', 100, 1)
update_gunlight(user)
return
/obj/item/weapon/gun/proc/update_gunlight(mob/user = null)
if(gun_light)
if(gun_light.on)
if(loc == user)
user.AddLuminosity(gun_light.brightness_on)
else if(isturf(loc))
SetLuminosity(gun_light.brightness_on)
else
if(loc == user)
user.AddLuminosity(-gun_light.brightness_on)
else if(isturf(loc))
SetLuminosity(0)
update_icon()
else
if(loc == user)
user.AddLuminosity(-5)
else if(isturf(loc))
SetLuminosity(0)
for(var/X in actions)
var/datum/action/A = X
A.UpdateButtonIcon()
/obj/item/weapon/gun/pickup(mob/user)
..()
if(gun_light)
if(gun_light.on)
user.AddLuminosity(gun_light.brightness_on)
SetLuminosity(0)
if(azoom)
azoom.Grant(user)
/obj/item/weapon/gun/dropped(mob/user)
..()
if(gun_light)
if(gun_light.on)
user.AddLuminosity(-gun_light.brightness_on)
SetLuminosity(gun_light.brightness_on)
zoom(user,FALSE)
if(azoom)
azoom.Remove(user)
/obj/item/weapon/gun/AltClick(mob/user)
..()
if(user.incapacitated())
user << "<span class='warning'>You can't do that right now!</span>"
return
if(unique_reskin && !current_skin && loc == user)
reskin_gun(user)
/obj/item/weapon/gun/proc/reskin_gun(mob/M)
var/choice = input(M,"Warning, you can only reskin your weapon once!","Reskin Gun") in options
if(src && choice && !current_skin && !M.incapacitated() && in_range(M,src))
if(options[choice] == null)
return
current_skin = options[choice]
M << "Your gun is now skinned as [choice]. Say hello to your new friend."
update_icon()
/obj/item/weapon/gun/proc/handle_suicide(mob/living/carbon/human/user, mob/living/carbon/human/target, params)
if(!ishuman(user) || !ishuman(target))
return
if(semicd)
return
if(user == target)
target.visible_message("<span class='warning'>[user] sticks [src] in [user.p_their()] mouth, ready to pull the trigger...</span>", \
"<span class='userdanger'>You stick [src] in your mouth, ready to pull the trigger...</span>")
else
target.visible_message("<span class='warning'>[user] points [src] at [target]'s head, ready to pull the trigger...</span>", \
"<span class='userdanger'>[user] points [src] at your head, ready to pull the trigger...</span>")
semicd = 1
if(!do_mob(user, target, 120) || user.zone_selected != "mouth")
if(user)
if(user == target)
user.visible_message("<span class='notice'>[user] decided life was worth living.</span>")
else if(target && target.Adjacent(user))
target.visible_message("<span class='notice'>[user] has decided to spare [target]'s life.</span>", "<span class='notice'>[user] has decided to spare your life!</span>")
semicd = 0
return
semicd = 0
target.visible_message("<span class='warning'>[user] pulls the trigger!</span>", "<span class='userdanger'>[user] pulls the trigger!</span>")
if(chambered && chambered.BB)
chambered.BB.damage *= 5
process_fire(target, user, 1, params)
/obj/item/weapon/gun/proc/unlock() //used in summon guns and as a convience for admins
if(pin)
qdel(pin)
pin = new /obj/item/device/firing_pin
/////////////
// ZOOMING //
/////////////
/datum/action/toggle_scope_zoom
name = "Toggle Scope"
check_flags = AB_CHECK_CONSCIOUS|AB_CHECK_RESTRAINED|AB_CHECK_STUNNED|AB_CHECK_LYING
button_icon_state = "sniper_zoom"
var/obj/item/weapon/gun/gun = null
/datum/action/toggle_scope_zoom/Trigger()
gun.zoom(owner)
/datum/action/toggle_scope_zoom/IsAvailable()
. = ..()
if(!. && gun)
gun.zoom(owner, FALSE)
/datum/action/toggle_scope_zoom/Remove(mob/living/L)
gun.zoom(L, FALSE)
..()
/obj/item/weapon/gun/proc/zoom(mob/living/user, forced_zoom)
if(!user || !user.client)
return
switch(forced_zoom)
if(FALSE)
zoomed = FALSE
if(TRUE)
zoomed = TRUE
else
zoomed = !zoomed
if(zoomed)
var/_x = 0
var/_y = 0
switch(user.dir)
if(NORTH)
_y = zoom_amt
if(EAST)
_x = zoom_amt
if(SOUTH)
_y = -zoom_amt
if(WEST)
_x = -zoom_amt
user.client.pixel_x = world.icon_size*_x
user.client.pixel_y = world.icon_size*_y
else
user.client.pixel_x = 0
user.client.pixel_y = 0
//Proc, so that gun accessories/scopes/etc. can easily add zooming.
/obj/item/weapon/gun/proc/build_zooming()
if(azoom)
return
if(zoomable)
azoom = new()
azoom.gun = src
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