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Bubberstation/code/modules/projectiles/gun.dm
Rob 6b8bfb2f5c [EXTRAREADY][AAAAAA] Hey revolver, don't mothers make good fathers? (#41620) 
tweak: Suppressed and dry fire sounds are now stored as a variable, and can be edited on a per gun basis.
sounddel: The standard gun dry fire sound was collapsed to one sound instead of 4. They were all just pitch variations anyways, which is now covered by built in sound pitch variation.
soundadd: Revolvers now have a unique gunshot sound that is slightly different for 357 and 38.
soundadd: Revolvers now have a unique dry fire sound.
soundadd: Revolvers now make a unique noise when emptying them besides just the sound of shells falling out.
soundadd: Spinning a revolver such as the Russian Revolver now makes a sound.
spellcheck: Syndicate sniper kit now includes a suppressor instead of a "supressor."
2018-12-02 20:30:09 +13:00

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#define DUALWIELD_PENALTY_EXTRA_MULTIPLIER 1.4
/obj/item/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_1 = CONDUCT_1
slot_flags = ITEM_SLOT_BELT
materials = list(MAT_METAL=2000)
w_class = WEIGHT_CLASS_NORMAL
throwforce = 5
throw_speed = 3
throw_range = 5
force = 5
item_flags = NEEDS_PERMIT
attack_verb = list("struck", "hit", "bashed")
var/fire_sound = "gunshot"
var/vary_fire_sound = TRUE
var/fire_sound_volume = 50
var/dry_fire_sound = 'sound/weapons/gun_dry_fire.ogg'
var/suppressed = null //whether or not a message is displayed when fired
var/can_suppress = FALSE
var/suppressed_sound = 'sound/weapons/gunshot_silenced.ogg'
var/suppressed_volume = 10
var/can_unsuppress = TRUE
var/recoil = 0 //boom boom shake the room
var/clumsy_check = TRUE
var/obj/item/ammo_casing/chambered = null
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_off = FALSE
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.
lefthand_file = 'icons/mob/inhands/weapons/guns_lefthand.dmi'
righthand_file = 'icons/mob/inhands/weapons/guns_righthand.dmi'
var/obj/item/firing_pin/pin = /obj/item/firing_pin //standard firing pin for most guns
var/can_flashlight = FALSE //if a flashlight can be added or removed if it already has one.
var/obj/item/flashlight/seclite/gun_light
var/mutable_appearance/flashlight_overlay
var/datum/action/item_action/toggle_gunlight/alight
var/can_bayonet = FALSE //if a bayonet can be added or removed if it already has one.
var/obj/item/kitchen/knife/bayonet
var/mutable_appearance/knife_overlay
var/knife_x_offset = 0
var/knife_y_offset = 0
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/zoom_out_amt = 0
var/datum/action/toggle_scope_zoom/azoom
/obj/item/gun/Initialize()
. = ..()
if(pin)
pin = new pin(src)
if(gun_light)
alight = new(src)
build_zooming()
/obj/item/gun/Destroy()
QDEL_NULL(pin)
QDEL_NULL(gun_light)
QDEL_NULL(bayonet)
QDEL_NULL(chambered)
QDEL_NULL(azoom)
return ..()
/obj/item/gun/handle_atom_del(atom/A)
if(A == pin)
pin = null
if(A == chambered)
chambered = null
update_icon()
if(A == bayonet)
clear_bayonet()
if(A == gun_light)
clear_gunlight()
return ..()
/obj/item/gun/CheckParts(list/parts_list)
..()
var/obj/item/gun/G = locate(/obj/item/gun) in contents
if(G)
G.forceMove(loc)
QDEL_NULL(G.pin)
visible_message("[G] can now fit a new pin, but the old one was destroyed in the process.", null, null, 3)
qdel(src)
/obj/item/gun/examine(mob/user)
..()
if(pin)
to_chat(user, "It has \a [pin] installed.")
else
to_chat(user, "It doesn't have a <b>firing pin</b> installed, and won't fire.")
if(gun_light)
to_chat(user, "It has \a [gun_light] [can_flashlight ? "" : "permanently "]mounted on it.")
if(can_flashlight) //if it has a light and this is false, the light is permanent.
to_chat(user, "<span class='info'>[gun_light] looks like it can be <b>unscrewed</b> from [src].</span>")
else if(can_flashlight)
to_chat(user, "It has a mounting point for a <b>seclite</b>.")
if(bayonet)
to_chat(user, "It has \a [bayonet] [can_bayonet ? "" : "permanently "]affixed to it.")
if(can_bayonet) //if it has a bayonet and this is false, the bayonet is permanent.
to_chat(user, "<span class='info'>[bayonet] looks like it can be <b>unscrewed</b> from [src].</span>")
else if(can_bayonet)
to_chat(user, "It has a <b>bayonet</b> lug on it.")
/obj/item/gun/equipped(mob/living/user, slot)
. = ..()
if(zoomed && user.get_active_held_item() != src)
zoom(user, FALSE) //we can only stay zoomed in if it's in our hands //yeah and we only unzoom if we're actually zoomed using the gun!!
//called after the gun has successfully fired its chambered ammo.
/obj/item/gun/proc/process_chamber()
return FALSE
//check if there's enough ammo/energy/whatever to shoot one time
//i.e if clicking would make it shoot
/obj/item/gun/proc/can_shoot()
return TRUE
/obj/item/gun/proc/shoot_with_empty_chamber(mob/living/user as mob|obj)
to_chat(user, "<span class='danger'>*click*</span>")
playsound(src, dry_fire_sound, 30, TRUE)
/obj/item/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, suppressed_sound, suppressed_volume, vary_fire_sound)
else
playsound(user, fire_sound, fire_sound_volume, vary_fire_sound)
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/gun/emp_act(severity)
. = ..()
if(!(. & EMP_PROTECT_CONTENTS))
for(var/obj/O in contents)
O.emp_act(severity)
/obj/item/gun/afterattack(atom/target, mob/living/user, flag, params)
. = ..()
if(!target)
return
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 == INTENT_HARM) //melee attack
return
if(target == user && user.zone_selected != BODY_ZONE_PRECISE_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 == BODY_ZONE_PRECISE_MOUTH)
handle_suicide(user, target, params)
return
//Exclude lasertag guns from the TRAIT_CLUMSY check.
if(clumsy_check)
if(istype(user))
if (user.has_trait(TRAIT_CLUMSY) && prob(40))
to_chat(user, "<span class='userdanger'>You shoot yourself in the foot with [src]!</span>")
var/shot_leg = pick(BODY_ZONE_L_LEG, BODY_ZONE_R_LEG)
process_fire(user, user, FALSE, params, shot_leg)
user.dropItemToGround(src, TRUE)
return
if(weapon_weight == WEAPON_HEAVY && user.get_inactive_held_item())
to_chat(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 == INTENT_HARM)
var/mob/living/carbon/human/H = user
for(var/obj/item/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++
addtimer(CALLBACK(G, /obj/item/gun.proc/process_fire, target, user, TRUE, params, null, bonus_spread), loop_counter)
process_fire(target, user, TRUE, params, null, bonus_spread)
/obj/item/gun/can_trigger_gun(mob/living/user)
. = ..()
if(!handle_pins(user))
return FALSE
/obj/item/gun/proc/handle_pins(mob/living/user)
if(pin)
if(pin.pin_auth(user) || (pin.obj_flags & EMAGGED))
return TRUE
else
pin.auth_fail(user)
return FALSE
else
to_chat(user, "<span class='warning'>[src]'s trigger is locked. This weapon doesn't have a firing pin installed!</span>")
return FALSE
/obj/item/gun/proc/recharge_newshot()
return
/obj/item/gun/proc/process_burst(mob/living/user, atom/target, message = TRUE, params=null, zone_override = "", sprd = 0, randomized_gun_spread = 0, randomized_bonus_spread = 0, rand_spr = 0, iteration = 0)
if(!user || !firing_burst)
firing_burst = FALSE
return FALSE
if(!issilicon(user))
if(iteration > 1 && !(user.is_holding(src))) //for burst firing
firing_burst = FALSE
return FALSE
if(chambered && chambered.BB)
if(user.has_trait(TRAIT_PACIFISM)) // If the user has the pacifist trait, then they won't be able to fire [src] if the round chambered inside of [src] is lethal.
if(chambered.harmful) // Is the bullet chambered harmful?
to_chat(user, "<span class='notice'> [src] is lethally chambered! You don't want to risk harming anyone...</span>")
return
if(randomspread)
sprd = round((rand() - 0.5) * DUALWIELD_PENALTY_EXTRA_MULTIPLIER * (randomized_gun_spread + randomized_bonus_spread))
else //Smart spread
sprd = round((((rand_spr/burst_size) * iteration) - (0.5 + (rand_spr * 0.25))) * (randomized_gun_spread + randomized_bonus_spread))
if(!chambered.fire_casing(target, user, params, ,suppressed, zone_override, sprd))
shoot_with_empty_chamber(user)
firing_burst = FALSE
return FALSE
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)
if (iteration >= burst_size)
firing_burst = FALSE
else
shoot_with_empty_chamber(user)
firing_burst = FALSE
return FALSE
process_chamber()
update_icon()
return TRUE
/obj/item/gun/proc/process_fire(atom/target, mob/living/user, message = TRUE, params = null, zone_override = "", bonus_spread = 0)
add_fingerprint(user)
if(semicd)
return
var/sprd = 0
var/randomized_gun_spread = 0
var/rand_spr = rand()
if(spread)
randomized_gun_spread = rand(0,spread)
if(user.has_trait(TRAIT_POOR_AIM)) //nice shootin' tex
bonus_spread += 25
var/randomized_bonus_spread = rand(0, bonus_spread)
if(burst_size > 1)
firing_burst = TRUE
for(var/i = 1 to burst_size)
addtimer(CALLBACK(src, .proc/process_burst, user, target, message, params, zone_override, sprd, randomized_gun_spread, randomized_bonus_spread, rand_spr, i), fire_delay * (i - 1))
else
if(chambered)
if(user.has_trait(TRAIT_PACIFISM)) // If the user has the pacifist trait, then they won't be able to fire [src] if the round chambered inside of [src] is lethal.
if(chambered.harmful) // Is the bullet chambered harmful?
to_chat(user, "<span class='notice'> [src] is lethally chambered! You don't want to risk harming anyone...</span>")
return
sprd = round((rand() - 0.5) * DUALWIELD_PENALTY_EXTRA_MULTIPLIER * (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 = TRUE
addtimer(CALLBACK(src, .proc/reset_semicd), fire_delay)
if(user)
user.update_inv_hands()
SSblackbox.record_feedback("tally", "gun_fired", 1, type)
return TRUE
/obj/item/gun/update_icon()
..()
/obj/item/gun/proc/reset_semicd()
semicd = FALSE
/obj/item/gun/attack(mob/M as mob, mob/user)
if(user.a_intent == INTENT_HARM) //Flogging
if(bayonet)
M.attackby(bayonet, user)
return
else
return ..()
return
/obj/item/gun/attack_obj(obj/O, mob/user)
if(user.a_intent == INTENT_HARM)
if(bayonet)
O.attackby(bayonet, user)
return
return ..()
/obj/item/gun/attackby(obj/item/I, mob/user, params)
if(user.a_intent == INTENT_HARM)
return ..()
else if(istype(I, /obj/item/flashlight/seclite))
if(!can_flashlight)
return ..()
var/obj/item/flashlight/seclite/S = I
if(!gun_light)
if(!user.transferItemToLoc(I, src))
return
to_chat(user, "<span class='notice'>You click [S] into place on [src].</span>")
if(S.on)
set_light(0)
gun_light = S
update_gunlight()
alight = new(src)
if(loc == user)
alight.Grant(user)
else if(istype(I, /obj/item/kitchen/knife))
var/obj/item/kitchen/knife/K = I
if(!can_bayonet || !K.bayonet || bayonet) //ensure the gun has an attachment point available, and that the knife is compatible with it.
return ..()
if(!user.transferItemToLoc(I, src))
return
to_chat(user, "<span class='notice'>You attach [K] to [src]'s bayonet lug.</span>")
bayonet = K
var/state = "bayonet" //Generic state.
if(bayonet.icon_state in icon_states('icons/obj/guns/bayonets.dmi')) //Snowflake state?
state = bayonet.icon_state
var/icon/bayonet_icons = 'icons/obj/guns/bayonets.dmi'
knife_overlay = mutable_appearance(bayonet_icons, state)
knife_overlay.pixel_x = knife_x_offset
knife_overlay.pixel_y = knife_y_offset
add_overlay(knife_overlay, TRUE)
else
return ..()
/obj/item/gun/screwdriver_act(mob/living/user, obj/item/I)
. = ..()
if(.)
return
if(!user.canUseTopic(src, BE_CLOSE, FALSE, NO_TK))
return
if((can_flashlight && gun_light) && (can_bayonet && bayonet)) //give them a choice instead of removing both
var/list/possible_items = list(gun_light, bayonet)
var/obj/item/item_to_remove = input(user, "Select an attachment to remove", "Attachment Removal") as null|obj in possible_items
if(!item_to_remove || !user.canUseTopic(src, BE_CLOSE, FALSE, NO_TK))
return
return remove_gun_attachment(user, I, item_to_remove)
else if(gun_light && can_flashlight) //if it has a gun_light and can_flashlight is false, the flashlight is permanently attached.
return remove_gun_attachment(user, I, gun_light, "unscrewed")
else if(bayonet && can_bayonet) //if it has a bayonet, and the bayonet can be removed
return remove_gun_attachment(user, I, bayonet, "unfix")
/obj/item/gun/proc/remove_gun_attachment(mob/living/user, obj/item/tool_item, obj/item/item_to_remove, removal_verb)
if(tool_item)
tool_item.play_tool_sound(src)
to_chat(user, "<span class='notice'>You [removal_verb ? removal_verb : "remove"] [item_to_remove] from [src].</span>")
item_to_remove.forceMove(drop_location())
if(Adjacent(user) && !issilicon(user))
user.put_in_hands(item_to_remove)
if(item_to_remove == bayonet)
return clear_bayonet()
else if(item_to_remove == gun_light)
return clear_gunlight()
/obj/item/gun/proc/clear_bayonet()
if(!bayonet)
return
bayonet = null
if(knife_overlay)
cut_overlay(knife_overlay, TRUE)
knife_overlay = null
return TRUE
/obj/item/gun/proc/clear_gunlight()
if(!gun_light)
return
var/obj/item/flashlight/seclite/removed_light = gun_light
gun_light = null
update_gunlight()
removed_light.update_brightness()
QDEL_NULL(alight)
return TRUE
/obj/item/gun/ui_action_click(mob/user, actiontype)
if(istype(actiontype, alight))
toggle_gunlight()
else
..()
/obj/item/gun/proc/toggle_gunlight()
if(!gun_light)
return
var/mob/living/carbon/human/user = usr
gun_light.on = !gun_light.on
to_chat(user, "<span class='notice'>You toggle the gunlight [gun_light.on ? "on":"off"].</span>")
playsound(user, 'sound/weapons/empty.ogg', 100, TRUE)
update_gunlight()
/obj/item/gun/proc/update_gunlight()
if(gun_light)
if(gun_light.on)
set_light(gun_light.brightness_on)
else
set_light(0)
cut_overlays(flashlight_overlay, TRUE)
var/state = "flight[gun_light.on? "_on":""]" //Generic state.
if(gun_light.icon_state in icon_states('icons/obj/guns/flashlights.dmi')) //Snowflake state?
state = gun_light.icon_state
flashlight_overlay = mutable_appearance('icons/obj/guns/flashlights.dmi', state)
flashlight_overlay.pixel_x = flight_x_offset
flashlight_overlay.pixel_y = flight_y_offset
add_overlay(flashlight_overlay, TRUE)
else
set_light(0)
cut_overlays(flashlight_overlay, TRUE)
flashlight_overlay = null
update_icon(TRUE)
for(var/X in actions)
var/datum/action/A = X
A.UpdateButtonIcon()
/obj/item/gun/pickup(mob/user)
..()
if(azoom)
azoom.Grant(user)
/obj/item/gun/dropped(mob/user)
. = ..()
if(azoom)
azoom.Remove(user)
if(zoomed)
zoom(user,FALSE)
/obj/item/gun/proc/handle_suicide(mob/living/carbon/human/user, mob/living/carbon/human/target, params, bypass_timer)
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 = TRUE
if(!bypass_timer && (!do_mob(user, target, 120) || user.zone_selected != BODY_ZONE_PRECISE_MOUTH))
if(user)
if(user == target)
user.visible_message("<span class='notice'>[user] decided not to shoot.</span>")
else if(target && target.Adjacent(user))
target.visible_message("<span class='notice'>[user] has decided to spare [target]</span>", "<span class='notice'>[user] has decided to spare your life!</span>")
semicd = FALSE
return
semicd = FALSE
target.visible_message("<span class='warning'>[user] pulls the trigger!</span>", "<span class='userdanger'>[(user == target) ? "You pull" : "[user] pulls"] the trigger!</span>")
if(chambered && chambered.BB)
chambered.BB.damage *= 5
process_fire(target, user, TRUE, params)
/obj/item/gun/proc/unlock() //used in summon guns and as a convience for admins
if(pin)
qdel(pin)
pin = new /obj/item/firing_pin
/////////////
// ZOOMING //
/////////////
/datum/action/toggle_scope_zoom
name = "Toggle Scope"
check_flags = AB_CHECK_CONSCIOUS|AB_CHECK_RESTRAINED|AB_CHECK_STUN|AB_CHECK_LYING
icon_icon = 'icons/mob/actions/actions_items.dmi'
button_icon_state = "sniper_zoom"
var/obj/item/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/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.change_view(zoom_out_amt)
user.client.pixel_x = world.icon_size*_x
user.client.pixel_y = world.icon_size*_y
else
user.client.change_view(CONFIG_GET(string/default_view))
user.client.pixel_x = 0
user.client.pixel_y = 0
return zoomed
//Proc, so that gun accessories/scopes/etc. can easily add zooming.
/obj/item/gun/proc/build_zooming()
if(azoom)
return
if(zoomable)
azoom = new()
azoom.gun = src
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