Adds in unholstering delay + slowdown (#10034)

* Fire rate crosshair

* Update mouse_control.dm

* KA Fixes

* Boop

* Makes non guns have no equip time

* Buffs the sketchkin

* Pocket pistol has no equip time

* Removes the crosshair from normal gun fire, reduces slowdown amount

code/__DEFINES/movespeed_modification.dm

@@ -101,3 +101,5 @@
 #define MOVESPEED_ID_SMOKE								"SMOKE"
 
 #define MOVESPEED_ID_HOLOPARA_FRENZY					"HOLOPARA_FRENZY"
+
+#define MOVESPEED_ID_GUN_EQUIP							"GUN_EQUIP"

code/modules/antagonists/changeling/powers/mutations.dm

@@ -229,6 +229,7 @@
 	throw_range = 0
 	throw_speed = 0
 	requires_wielding = FALSE
+	equip_time = 0
 
 /obj/item/gun/magic/tentacle/Initialize(mapload, silent)
 	. = ..()

code/modules/antagonists/cult/cult_items.dm

@@ -757,6 +757,7 @@ Striking a noncultist, however, will tear their flesh."}
 	mag_type = /obj/item/ammo_box/magazine/internal/boltaction/enchanted/arcane_barrage/blood
 	fire_sound = 'sound/magic/wand_teleport.ogg'
 	weapon_weight = WEAPON_LIGHT
+	equip_time = 0
 
 /obj/item/ammo_box/magazine/internal/boltaction/enchanted/arcane_barrage/blood
 	ammo_type = /obj/item/ammo_casing/magic/arcane_barrage/blood

code/modules/projectiles/gun.dm

@@ -90,6 +90,14 @@
 	var/pb_knockback = 0
 	var/ranged_cooldown = 0
 
+	// Equipping
+	/// The slowdown applied to mobs upon a gun being equipped
+	var/equip_slowdown = 0.5
+	/// The time it takes for a gun to count as equipped, null to get a precalculated value
+	var/equip_time = null
+	/// The timer ID of our equipping action
+	VAR_PRIVATE/equip_timer_id
+
 /obj/item/gun/Initialize(mapload)
 	. = ..()
 	if(pin)
@@ -102,6 +110,11 @@
 	if(!canMouseDown) //Some things like beam rifles override this.
 		canMouseDown = automatic //Nsv13 / Bee change.
 	build_zooming()
+	if (isnull(equip_time))
+		// Light guns: 1.5 second equip time
+		// Medium guns: 2 second equip time
+		// Heavy guns: 2.5 second equip time
+		equip_time = weapon_weight * 5 + 10
 	if(isnull(spread_unwielded))
 		spread_unwielded = weapon_weight * 20 + 20
 	if(requires_wielding)
@@ -178,6 +191,39 @@
 	. = ..()
 	if(zoomed && user.get_active_held_item() != src)
 		zoom(user, user.dir, 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!!
+	if (slot == ITEM_SLOT_HANDS)
+		ranged_cooldown = max(world.time + equip_time, ranged_cooldown)
+		user.client?.give_cooldown_cursor(ranged_cooldown - world.time)
+		equip_timer_id = addtimer(CALLBACK(src, PROC_REF(clear_gun_equip_slowdown), user), equip_time, TIMER_STOPPABLE)
+		user.add_movespeed_modifier(MOVESPEED_ID_GUN_EQUIP, multiplicative_slowdown = equip_slowdown, movetypes = GROUND)
+	else
+		clear_gun_equip_slowdown(user)
+		if (equip_timer_id)
+			deltimer(equip_timer_id)
+			equip_timer_id = null
+
+/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, user.dir)
+	update_icon()
+	user.client?.clear_cooldown_cursor()
+	clear_gun_equip_slowdown(user)
+	if (equip_timer_id)
+		deltimer(equip_timer_id)
+		equip_timer_id = null
+
+/obj/item/gun/proc/clear_gun_equip_slowdown(mob/living/user)
+	slowdown = initial(slowdown)
+	user.remove_movespeed_modifier(MOVESPEED_ID_GUN_EQUIP)
+	equip_timer_id = null
 
 //called after the gun has successfully fired its chambered ammo.
 /obj/item/gun/proc/process_chamber()
@@ -655,20 +701,6 @@
 	update_icon()
 	update_action_buttons()
 
-/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, user.dir)
-	update_icon()
-	user.client?.clear_cooldown_cursor()
-
 /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

code/modules/projectiles/guns/ballistic/pistol.dm

@@ -16,6 +16,7 @@
 	fire_rate = 3
 	automatic = 0
 	weapon_weight = WEAPON_LIGHT
+	equip_time = 1 SECONDS
 
 /obj/item/gun/ballistic/automatic/pistol/no_mag
 	spawnwithmagazine = FALSE
@@ -48,6 +49,7 @@
 	spread_unwielded = 30 //Manually set unwielded spread to 30; Equivelant weight to 0.5 (Stechkin has weight 1)
 	wild_spread = TRUE
 	wild_factor = 0.70 //Minimum spread is 70% of spread value
+	equip_time = 0
 
 /obj/item/gun/ballistic/automatic/pistol/der38/twelveshooter //For debugging only, or meme shit
 	name = "palm pistol devastator"
@@ -73,6 +75,7 @@
 	mag_type = /obj/item/ammo_box/magazine/m50
 	can_suppress = FALSE
 	mag_display = TRUE
+	equip_time = 2 SECONDS
 
 /obj/item/gun/ballistic/automatic/pistol/deagle/gold
 	desc = "A gold plated Desert Eagle folded over a million times by superior martian gunsmiths. Uses .50 AE ammo."

code/modules/projectiles/guns/energy/stun.dm

@@ -42,6 +42,7 @@
 	can_flashlight = TRUE
 	flight_x_offset = 15
 	flight_y_offset = 10
+	equip_time = 2 SECONDS
 
 /obj/item/gun/energy/disabler/cyborg
 	name = "cyborg disabler"

code/modules/projectiles/guns/magic.dm

@@ -21,6 +21,7 @@
 	trigger_guard = TRIGGER_GUARD_ALLOW_ALL // Has no trigger at all, uses magic instead
 	pin = /obj/item/firing_pin/magic
 	requires_wielding = FALSE	//Magic has no recoil, just hold with 1 hand
+	equip_time = 0
 
 	lefthand_file = 'icons/mob/inhands/items_lefthand.dmi' //not really a gun and some toys use these inhands
 	righthand_file = 'icons/mob/inhands/items_righthand.dmi'

code/modules/projectiles/guns/misc/medbeam.dm

@@ -6,6 +6,7 @@
 	item_state = "chronogun"
 	w_class = WEIGHT_CLASS_NORMAL
 	requires_wielding = FALSE
+	equip_time = 0
 
 	var/mob/living/current_target
 	var/last_check = 0