Merge pull request #3140 from CHOMPStationBot/upstream-merge-11701

[MIRROR] ports citrp's KAs, which are a port of citmain's KAs, which are tg's, because i like KAs

code/modules/clothing/under/accessories/holster_vr.dm

@@ -1,6 +1,6 @@
 /obj/item/clothing/accessory/holster/waist/kinetic_accelerator
 	name = "KA holster"
-	desc = "A specialized holster, made specifically for Kinetic Accelerator."
+	desc = "A specialized holster, made specifically for Kinetic Accelerators."
 	can_hold = list(/obj/item/weapon/gun/energy/kinetic_accelerator)
 
 /obj/item/clothing/accessory/holster/machete/rapier

code/modules/mining/kinetic_crusher.dm

@@ -246,7 +246,7 @@
 			slot_r_hand_str = 'icons/mob/items/righthand_melee_vr.dmi',
 			)
 	item_state = "c-machete"
-	w_class = ITEMSIZE_SMALL
+	w_class = ITEMSIZE_NORMAL
 	attack_verb = list("cleaved", "chopped", "pulped", "stabbed", "skewered")
 	can_cleave = TRUE
 	requires_wield = FALSE

code/modules/mining/ore_redemption_machine/equipment_vendor.dm

@@ -76,7 +76,7 @@
 		EQUIPMENT("Kinetic Accelerator",		/obj/item/weapon/gun/energy/kinetic_accelerator,				900),
 		EQUIPMENT("KA AoE Damage",				/obj/item/borg/upgrade/modkit/aoe/mobs,							2000),
 		EQUIPMENT("KA Damage Increase",			/obj/item/borg/upgrade/modkit/damage,							1000),
-		EQUIPMENT("KA Efficiency Increase",		/obj/item/borg/upgrade/modkit/efficiency,						1200),
+		EQUIPMENT("KA Cooldown Decrease",		/obj/item/borg/upgrade/modkit/cooldown,							1200),
 		EQUIPMENT("KA Range Increase",			/obj/item/borg/upgrade/modkit/range,							1000),
 		EQUIPMENT("KA Cooldown Decrease",		/obj/item/borg/upgrade/modkit/cooldown,							1000),
 		EQUIPMENT("KA Holster",					/obj/item/clothing/accessory/holster/waist/kinetic_accelerator,	350),

code/modules/power/cell.dm

@@ -14,6 +14,8 @@
 	throw_speed = 3
 	throw_range = 5
 	w_class = ITEMSIZE_NORMAL
+	/// Are we EMP immune?
+	var/emp_proof = FALSE
 	var/static/cell_uid = 1		// Unique ID of this power cell. Used to reduce bunch of uglier code in nanoUI.
 	var/c_uid
 	var/charge = 0	// note %age conveted to actual charge in New
@@ -189,6 +191,8 @@
 		rigged = 1 //broken batterys are dangerous
 
 /obj/item/weapon/cell/emp_act(severity)
+	if(emp_proof)
+		return
 	//remove this once emp changes on dev are merged in
 	if(isrobot(loc))
 		var/mob/living/silicon/robot/R = loc

code/modules/power/cells/device_cells.dm

@@ -69,6 +69,9 @@
 	update_icon()
 //CHOMP Add end
 
+/obj/item/weapon/cell/device/weapon/empproof
+	emp_proof = TRUE
+
 /obj/item/weapon/cell/device/weapon/recharge
 	name = "self-charging weapon power cell"
 	desc = "A small power cell designed to power handheld weaponry. This one recharges itself."

code/modules/projectiles/guns/energy.dm

@@ -21,6 +21,7 @@
 	var/recharge_time = 4
 	var/charge_tick = 0
 	var/charge_delay = 75	//delay between firing and charging
+	var/shot_counter = TRUE // does this gun tell you how many shots it has?
 
 	var/battery_lock = 0	//If set, weapon cannot switch batteries
 
@@ -175,14 +176,15 @@
 
 /obj/item/weapon/gun/energy/examine(mob/user)
 	. = ..()
-	if(power_supply)
+	if(shot_counter)
-		if(charge_cost)
+		if(power_supply)
-			var/shots_remaining = round(power_supply.charge / max(1, charge_cost))	// Paranoia
+			if(charge_cost)
-			. += "Has [shots_remaining] shot\s remaining."
+				var/shots_remaining = round(power_supply.charge / max(1, charge_cost))	// Paranoia
+				. += "Has [shots_remaining] shot\s remaining."
+			else
+				. += "Has infinite shots remaining."
 		else
-			. += "Has infinite shots remaining."
+			. += "Does not have a power cell."
-	else
-		. += "Does not have a power cell."
 
 /obj/item/weapon/gun/energy/update_icon(var/ignore_inhands)
 	if(power_supply == null)

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

@@ -1,51 +1,126 @@
+#define LAVALAND_EQUIPMENT_EFFECT_PRESSURE 50 //what pressure you have to be under to increase the effect of equipment meant for lavaland
+#define HEATMODE_ATMOSPHERE		312.1 //kPa. basically virgo 2's
+#define HEATMODE_TEMP			612 //kelvin. basically virgo 2's
+/**
+ * This is here for now
+ */
+/proc/lavaland_environment_check(turf/simulated/T)
+	. = TRUE
+	if(!istype(T))
+		return
+	var/datum/gas_mixture/environment = T.return_air()
+	if(!istype(environment))
+		return
+	var/pressure = environment.return_pressure()
+	if(pressure > LAVALAND_EQUIPMENT_EFFECT_PRESSURE)
+		. = FALSE
+	if(environment.temperature < (T20C - 30))
+		. = TRUE
+
+/proc/virgotwo_environment_check(turf/simulated/T)
+	. = TRUE
+	if(!istype(T))
+		return
+	var/datum/gas_mixture/environment = T.return_air()
+	if(!istype(environment))
+		return
+	var/pressure = environment.return_pressure()
+	if(pressure < HEATMODE_ATMOSPHERE - 20)
+		. = FALSE
+	if(environment.temperature > HEATMODE_TEMP - 30)
+		. = TRUE
+
 /obj/item/weapon/gun/energy/kinetic_accelerator
 	name = "proto-kinetic accelerator"
-	desc = "A self recharging, ranged mining tool that does increased damage in low temperature. Capable of holding up to six slots worth of mod kits."
+	desc = "A self recharging, ranged mining tool that does increased damage in low pressure."
 	icon = 'icons/obj/gun_vr.dmi'
 	icon_state = "kineticgun"
-	item_state = "kineticgun"
 	item_icons = list(
 		slot_l_hand_str = 'icons/mob/items/lefthand_guns_vr.dmi',
-		slot_r_hand_str = 'icons/mob/items/righthand_guns_vr.dmi')
+		slot_r_hand_str = 'icons/mob/items/righthand_guns_vr.dmi',
+		)
+	item_state = "kineticgun"
+	// ammo_type = list(/obj/item/ammo_casing/energy/kinetic)
+	cell_type = /obj/item/weapon/cell/device/weapon/empproof
+	item_flags = NONE
+	charge_meter = FALSE
+	// obj_flags = UNIQUE_RENAME
+	// weapon_weight = WEAPON_LIGHT
+	// can_flashlight = 1
+	// flight_x_offset = 15
+	// flight_y_offset = 9
+	// automatic_charge_overlays = FALSE
 	projectile_type = /obj/item/projectile/kinetic
-	origin_tech = list(TECH_COMBAT = 3, TECH_POWER = 3, TECH_ENGINEERING = 3)
+	charge_cost = 1200
-	can_flashlight = TRUE
+	battery_lock = TRUE
-	flight_x_offset = 15
+	fire_sound = 'sound/weapons/kenetic_accel.ogg'
-	flight_y_offset = 9
+	var/overheat_time = 16
-	charge_cost = 120 // 20 shots on weapon power cell
+	var/holds_charge = FALSE
-	fire_delay = 16
+	var/unique_frequency = FALSE // modified by KA modkits
-	self_recharge = TRUE
+	var/overheat = FALSE
-	recharge_time = 10 // every 20*2 seconds will get 20% power restored
+	var/emptystate = "kineticgun_empty"
+	shot_counter = FALSE
+	// can_bayonet = TRUE
+	// knife_x_offset = 20
+	// knife_y_offset = 12
 
 	var/max_mod_capacity = 100
 	var/list/modkits = list()
-	var/empty_state = "kineticgun_empty"
+
+	var/recharge_timerid
+
+/obj/item/weapon/gun/energy/kinetic_accelerator/consume_next_projectile()
+	if(overheat)
+		return
+	. = ..()
+	if(.)
+		var/obj/item/projectile/P = .
+		modify_projectile(P)
+
+/obj/item/weapon/gun/energy/kinetic_accelerator/handle_post_fire(mob/user, atom/target, pointblank, reflex)
+	. = ..()
+	attempt_reload()
+
+/obj/item/weapon/gun/energy/kinetic_accelerator/premiumka
+	name = "premium accelerator"
+	desc = "A premium kinetic accelerator fitted with an extended barrel and increased pressure tank."
+	icon_state = "premiumgun"
+	item_state = "premiumgun"
+	projectile_type = /obj/item/projectile/kinetic/premium
 
 /obj/item/weapon/gun/energy/kinetic_accelerator/examine(mob/user)
 	. = ..()
-	if(Adjacent(user) && max_mod_capacity)
+	if(max_mod_capacity)
 		. += "<b>[get_remaining_mod_capacity()]%</b> mod capacity remaining."
-		for(var/obj/item/borg/upgrade/modkit/M as anything in get_modkits())
+		for(var/A in get_modkits())
-			. += "<span class='notice'>There is a [M.name] mod installed, using <b>[M.cost]%</b> capacity.</span>"
+			var/obj/item/borg/upgrade/modkit/M = A
+			. += "<span class='notice'>There is \a [M] installed, using <b>[M.cost]%</b> capacity.</span>"
 
-/obj/item/weapon/gun/energy/kinetic_accelerator/attackby(obj/item/A, mob/user)
+/obj/item/weapon/gun/energy/kinetic_accelerator/Exited(atom/movable/AM)
-	if(istype(A, /obj/item/weapon/tool/crowbar))
+	. = ..()
+	if((AM in modkits) && istype(AM, /obj/item/borg/upgrade/modkit))
+		var/obj/item/borg/upgrade/modkit/M = AM
+		M.uninstall(src, FALSE)
+
+/obj/item/weapon/gun/energy/kinetic_accelerator/attackby(obj/item/I, mob/user)
+	if(I.has_tool_quality(TOOL_CROWBAR))
 		if(modkits.len)
 			to_chat(user, "<span class='notice'>You pry the modifications out.</span>")
-			playsound(src, A.usesound, 100, 1)
+			playsound(loc, I.usesound, 100, 1)
 			for(var/obj/item/borg/upgrade/modkit/M in modkits)
 				M.uninstall(src)
 		else
 			to_chat(user, "<span class='notice'>There are no modifications currently installed.</span>")
-	else if(istype(A, /obj/item/borg/upgrade/modkit))
+	if(istype(I, /obj/item/borg/upgrade/modkit))
-		var/obj/item/borg/upgrade/modkit/MK = A
+		var/obj/item/borg/upgrade/modkit/MK = I
 		MK.install(src, user)
 	else
 		..()
 
 /obj/item/weapon/gun/energy/kinetic_accelerator/proc/get_remaining_mod_capacity()
 	var/current_capacity_used = 0
-	for(var/obj/item/borg/upgrade/modkit/M as anything in get_modkits())
+	for(var/A in get_modkits())
+		var/obj/item/borg/upgrade/modkit/M = A
 		current_capacity_used += M.cost
 	return max_mod_capacity - current_capacity_used
 
@@ -55,134 +130,243 @@
 		. += A
 
 /obj/item/weapon/gun/energy/kinetic_accelerator/proc/modify_projectile(obj/item/projectile/kinetic/K)
-	for(var/obj/item/borg/upgrade/modkit/M as anything in get_modkits())
+	K.kinetic_gun = src //do something special on-hit, easy!
+	for(var/A in get_modkits())
+		var/obj/item/borg/upgrade/modkit/M = A
 		M.modify_projectile(K)
 
-/obj/item/weapon/gun/energy/kinetic_accelerator/consume_next_projectile()
+/obj/item/weapon/gun/energy/kinetic_accelerator/cyborg
-	var/obj/item/projectile/kinetic/BB = ..()
+	holds_charge = TRUE
-	if(!istype(BB))
+	unique_frequency = TRUE
-		return
-	modify_projectile(BB)
 
-	var/turf/proj_turf = get_turf(src)
+/obj/item/weapon/gun/energy/kinetic_accelerator/cyborg/Destroy()
-	if(!isturf(proj_turf))
+	for(var/obj/item/borg/upgrade/modkit/M in modkits)
-		return
+		M.uninstall(src)
-	var/datum/gas_mixture/environment = proj_turf.return_air()
+	return ..()
-	if(environment.temperature > 250)
-		BB.name = "weakened [BB.name]"
-		BB.damage *= BB.pressure_decrease
-	return BB
 
-/obj/item/weapon/gun/energy/kinetic_accelerator/handle_post_fire(mob/user, atom/target, var/pointblank=0, var/reflex=0)
+/obj/item/weapon/gun/energy/kinetic_accelerator/premiumka/cyborg
+	holds_charge = TRUE
+	unique_frequency = TRUE
+
+/obj/item/weapon/gun/energy/kinetic_accelerator/premiumka/cyborg/Destroy()
+	for(var/obj/item/borg/upgrade/modkit/M in modkits)
+		M.uninstall(src)
+	return ..()
+
+/obj/item/weapon/gun/energy/kinetic_accelerator/minebot
+	// trigger_guard = TRIGGER_GUARD_ALLOW_ALL
+	overheat_time = 20
+	holds_charge = TRUE
+	unique_frequency = TRUE
+
+/obj/item/weapon/gun/energy/kinetic_accelerator/Initialize()
 	. = ..()
-	spawn(fire_delay)
+	if(!holds_charge)
-		if(power_supply && power_supply.check_charge(charge_cost))
+		empty()
-			playsound(src, 'sound/weapons/kenetic_reload.ogg', 60, 1)
+	AddElement(/datum/element/conflict_checking, CONFLICT_ELEMENT_KA)
+
+/obj/item/weapon/gun/energy/kinetic_accelerator/equipped(mob/user)
+	. = ..()
+	if(power_supply.charge < charge_cost)
+		attempt_reload()
+
+/obj/item/weapon/gun/energy/kinetic_accelerator/dropped(mob/user)
+	. = ..()
+	if(!QDELING(src) && !holds_charge)
+		// Put it on a delay because moving item from slot to hand
+		// calls dropped().
+		addtimer(CALLBACK(src, .proc/empty_if_not_held), 2)
+
+/obj/item/weapon/gun/energy/kinetic_accelerator/proc/empty_if_not_held()
+	if(!ismob(loc) && !istype(loc, /obj/item/integrated_circuit))
+		empty()
+
+/obj/item/weapon/gun/energy/kinetic_accelerator/proc/empty()
+	if(power_supply)
+		power_supply.use(power_supply.charge)
+	update_icon()
+
+/obj/item/weapon/gun/energy/kinetic_accelerator/proc/attempt_reload(recharge_time)
+	if(!power_supply)
+		return
+	if(overheat)
+		return
+	if(!recharge_time)
+		recharge_time = overheat_time
+	overheat = TRUE
+	update_icon()
+
+	var/carried = max(1, loc.ConflictElementCount(CONFLICT_ELEMENT_KA))
+
+	deltimer(recharge_timerid)
+	recharge_timerid = addtimer(CALLBACK(src, .proc/reload), recharge_time * carried, TIMER_STOPPABLE)
+
+/obj/item/weapon/gun/energy/kinetic_accelerator/emp_act(severity)
+	return
+
+/obj/item/weapon/gun/energy/kinetic_accelerator/proc/reload()
+	power_supply.give(power_supply.maxcharge)
+	// process_chamber()
+	// if(!suppressed)
+	playsound(src, 'sound/weapons/kenetic_reload.ogg', 60, 1)
+	// else
+		// to_chat(loc, "<span class='warning'>[src] silently charges up.</span>")
+	overheat = FALSE
+	update_icon()
 
 /obj/item/weapon/gun/energy/kinetic_accelerator/update_icon()
 	cut_overlays()
-	if(!power_supply || !power_supply.check_charge(charge_cost))
+	if(overheat || (power_supply.charge == 0))
-		add_overlay(empty_state)
+		add_overlay(emptystate)
-	if(can_flashlight)
+
-		var/iconF = "flight"
+#define KA_ENVIRO_TYPE_COLD 0
-		if(gun_light)
+#define KA_ENVIRO_TYPE_HOT 1
-			iconF = "flight_on"
-		add_overlay(image(icon = icon, icon_state = iconF, pixel_x = flight_x_offset, pixel_y = flight_y_offset))
 
 //Projectiles
 /obj/item/projectile/kinetic
 	name = "kinetic force"
-	icon = 'icons/obj/projectiles_vr.dmi'
 	icon_state = null
-	damage = 32
+	damage = 30
 	damage_type = BRUTE
 	check_armour = "bomb"
-	range = 3 // Our "range" var is named "kill_count". Yes it is.
+	range = 4
+	// log_override = TRUE
 
-	var/pressure_decrease = 0.25
+	var/pressure_decrease_active = FALSE
-	var/turf_aoe = FALSE
+	var/pressure_decrease = 1/3
-	var/mob_aoe = FALSE
+	var/environment = KA_ENVIRO_TYPE_COLD
-	var/list/hit_overlays = list()
+	var/obj/item/weapon/gun/energy/kinetic_accelerator/kinetic_gun
 
-// /obj/item/projectile/kinetic/pod
+/obj/item/projectile/kinetic/premium
-// 	kill_count = 4
+	damage = 40
-//
+	damage_type = BRUTE
-// /obj/item/projectile/kinetic/pod/regular
+	range = 5
-// 	damage = 50
-// 	pressure_decrease = 0.5
-//
-// /obj/item/projectile/kinetic/pod/enhanced
-// 	turf_aoe = TRUE
-// 	mob_aoe = TRUE
 
-/obj/item/projectile/kinetic/on_impact(var/atom/A)
+/obj/item/projectile/kinetic/Destroy()
-	strike_thing(A)
+	kinetic_gun = null
-	. = ..()
+	return ..()
 
-/obj/item/projectile/kinetic/on_hit(var/atom/target)
+/obj/item/projectile/kinetic/Bump(atom/target)
+	if(kinetic_gun)
+		var/list/mods = kinetic_gun.get_modkits()
+		for(var/obj/item/borg/upgrade/modkit/M in mods)
+			M.projectile_prehit(src, target, kinetic_gun)
+	if(!pressure_decrease_active)
+		if(environment == KA_ENVIRO_TYPE_COLD)
+			if(!lavaland_environment_check(get_turf(src)))
+				name = "weakened [name]"
+				damage = damage * pressure_decrease
+				pressure_decrease_active = TRUE
+		else if(environment == KA_ENVIRO_TYPE_HOT)
+			if(!virgotwo_environment_check(get_turf(src)))
+				name = "weakened [name]"
+				damage = damage * pressure_decrease
+				pressure_decrease_active = TRUE
+	return ..()
+
+/obj/item/projectile/kinetic/attack_mob(mob/living/target_mob, distance, miss_modifier)
+	if(!pressure_decrease_active)
+		if(environment == KA_ENVIRO_TYPE_COLD)
+			if(!lavaland_environment_check(get_turf(src)))
+				name = "weakened [name]"
+				damage = damage * pressure_decrease
+				pressure_decrease_active = TRUE
+		else if(environment == KA_ENVIRO_TYPE_HOT)
+			if(!virgotwo_environment_check(get_turf(src)))
+				name = "weakened [name]"
+				damage = damage * pressure_decrease
+				pressure_decrease_active = TRUE
+	return ..()
+
+/obj/item/projectile/kinetic/on_range()
+	strike_thing()
+	..()
+
+/obj/item/projectile/kinetic/on_hit(atom/target)
 	strike_thing(target)
 	. = ..()
 
+/obj/item/projectile/kinetic/on_impact(atom/A)
+	. = ..()
+	strike_thing(A)
+
 /obj/item/projectile/kinetic/proc/strike_thing(atom/target)
+	if(!pressure_decrease_active)
+		if(environment == KA_ENVIRO_TYPE_COLD)
+			if(!lavaland_environment_check(get_turf(src)))
+				name = "weakened [name]"
+				damage = damage * pressure_decrease
+				pressure_decrease_active = TRUE
+		else if(environment == KA_ENVIRO_TYPE_HOT)
+			if(!virgotwo_environment_check(get_turf(src)))
+				name = "weakened [name]"
+				damage = damage * pressure_decrease
+				pressure_decrease_active = TRUE
 	var/turf/target_turf = get_turf(target)
 	if(!target_turf)
 		target_turf = get_turf(src)
-	if(istype(target_turf, /turf/simulated/mineral))
+	if(kinetic_gun) //hopefully whoever shot this was not very, very unfortunate.
+		var/list/mods = kinetic_gun.get_modkits()
+		for(var/obj/item/borg/upgrade/modkit/M in mods)
+			M.projectile_strike_predamage(src, target_turf, target, kinetic_gun)
+		for(var/obj/item/borg/upgrade/modkit/M in mods)
+			M.projectile_strike(src, target_turf, target, kinetic_gun)
+	if(ismineralturf(target_turf))
 		var/turf/simulated/mineral/M = target_turf
-		M.GetDrilled()
+		M.GetDrilled(TRUE)
 	var/obj/effect/temp_visual/kinetic_blast/K = new /obj/effect/temp_visual/kinetic_blast(target_turf)
 	K.color = color
-	for(var/type in hit_overlays)
+
-		new type(target_turf)
-	if(turf_aoe)
-		for(var/T in RANGE_TURFS(1, target_turf) - target_turf)
-			if(istype(T, /turf/simulated/mineral))
-				var/turf/simulated/mineral/M = T
-				M.GetDrilled()
-	if(mob_aoe)
-		for(var/mob/living/L in range(1, target_turf) - firer - target)
-			var/armor = L.run_armor_check(def_zone, check_armour)
-			L.apply_damage(damage*mob_aoe, damage_type, def_zone, armor)
-			to_chat(L, "<span class='userdanger'>You're struck by a [name]!</span>")
 
 //Modkits
 /obj/item/borg/upgrade/modkit
-	name = "modification kit"
+	name = "kinetic accelerator modification kit"
 	desc = "An upgrade for kinetic accelerators."
 	icon = 'icons/obj/objects_vr.dmi'
 	icon_state = "modkit"
-	origin_tech = list(TECH_DATA = 2, TECH_MATERIAL = 2, TECH_MAGNET = 4)
+	w_class = ITEMSIZE_SMALL
 	require_module = 1
-	// var/module_type = /obj/item/robot_module/miner
+	// module_type = list(/obj/item/robot_module/miner)
-	usesound = 'sound/items/Screwdriver.ogg'
 	var/denied_type = null
 	var/maximum_of_type = 1
 	var/cost = 30
 	var/modifier = 1 //For use in any mod kit that has numerical modifiers
+	var/minebot_upgrade = TRUE
+	var/minebot_exclusive = FALSE
 
 /obj/item/borg/upgrade/modkit/examine(mob/user)
 	. = ..()
-	if(Adjacent(user))
+	. += "<span class='notice'>Occupies <b>[cost]%</b> of mod capacity.</span>"
-		. += "<span class='notice'>Occupies <b>[cost]%</b> of mod capacity.</span>"
 
 /obj/item/borg/upgrade/modkit/attackby(obj/item/A, mob/user)
-	if(istype(A, /obj/item/weapon/gun/energy/kinetic_accelerator) && !issilicon(user))
+	if(istype(A, /obj/item/weapon/gun/energy/kinetic_accelerator))
 		install(A, user)
 	else
 		..()
 
-/obj/item/borg/upgrade/modkit/action(mob/living/silicon/robot/R)
+/*
-	if(..())
+/obj/item/borg/upgrade/modkit/afterInstall(mob/living/silicon/robot/R)
-		return
-
 	for(var/obj/item/weapon/gun/energy/kinetic_accelerator/H in R.module.modules)
-		return install(H, usr)
+		if(install(H, R)) //It worked
+			return
+	to_chat(R, "<span class='alert'>Upgrade error - Aborting Kinetic Accelerator linking.</span>") //No applicable KA found, insufficient capacity, or some other problem.
+*/
 
 /obj/item/borg/upgrade/modkit/proc/install(obj/item/weapon/gun/energy/kinetic_accelerator/KA, mob/user)
 	. = TRUE
+	if(src in KA.modkits) // Sanity check to prevent installing the same modkit twice thanks to occasional click/lag delays.
+		return FALSE
+	// if(minebot_upgrade)
+	// 	if(minebot_exclusive && !istype(KA.loc, /mob/living/simple_animal/hostile/mining_drone))
+	// 		to_chat(user, "<span class='notice'>The modkit you're trying to install is only rated for minebot use.</span>")
+	// 		return FALSE
+	// else if(istype(KA.loc, /mob/living/simple_animal/hostile/mining_drone))
+	// 	to_chat(user, "<span class='notice'>The modkit you're trying to install is not rated for minebot use.</span>")
+	// 	return FALSE
 	if(denied_type)
 		var/number_of_denied = 0
-		for(var/obj/item/borg/upgrade/modkit/M as anything in KA.get_modkits())
+		for(var/A in KA.get_modkits())
+			var/obj/item/borg/upgrade/modkit/M = A
 			if(istype(M, denied_type))
 				number_of_denied++
 			if(number_of_denied >= maximum_of_type)
@@ -190,10 +374,11 @@
 				break
 	if(KA.get_remaining_mod_capacity() >= cost)
 		if(.)
+			user.drop_from_inventory(src, KA)
+			// if(!user.transferItemToLoc(src, KA))
+				// return FALSE
 			to_chat(user, "<span class='notice'>You install the modkit.</span>")
-			playsound(src, usesound, 100, 1)
+			playsound(loc, 'sound/items/screwdriver.ogg', 100, 1)
-			user.unEquip(src)
-			forceMove(KA)
 			KA.modkits += src
 		else
 			to_chat(user, "<span class='notice'>The modkit you're trying to install would conflict with an already installed modkit. Use a crowbar to remove existing modkits.</span>")
@@ -201,19 +386,26 @@
 		to_chat(user, "<span class='notice'>You don't have room(<b>[KA.get_remaining_mod_capacity()]%</b> remaining, [cost]% needed) to install this modkit. Use a crowbar to remove existing modkits.</span>")
 		. = FALSE
 
-/obj/item/borg/upgrade/modkit/proc/uninstall(obj/item/weapon/gun/energy/kinetic_accelerator/KA)
+/obj/item/borg/upgrade/modkit/proc/uninstall(obj/item/weapon/gun/energy/kinetic_accelerator/KA, forcemove = TRUE)
-	forceMove(get_turf(KA))
 	KA.modkits -= src
+	if(forcemove)
+		forceMove(get_turf(KA))
 
 /obj/item/borg/upgrade/modkit/proc/modify_projectile(obj/item/projectile/kinetic/K)
-	return
+
+//use this one for effects you want to trigger before any damage is done at all and before damage is decreased by pressure
+/obj/item/borg/upgrade/modkit/proc/projectile_prehit(obj/item/projectile/kinetic/K, atom/target, obj/item/weapon/gun/energy/kinetic_accelerator/KA)
+//use this one for effects you want to trigger before mods that do damage
+/obj/item/borg/upgrade/modkit/proc/projectile_strike_predamage(obj/item/projectile/kinetic/K, turf/target_turf, atom/target, obj/item/weapon/gun/energy/kinetic_accelerator/KA)
+//and this one for things that don't need to trigger before other damage-dealing mods
+/obj/item/borg/upgrade/modkit/proc/projectile_strike(obj/item/projectile/kinetic/K, turf/target_turf, atom/target, obj/item/weapon/gun/energy/kinetic_accelerator/KA)
 
 //Range
 /obj/item/borg/upgrade/modkit/range
 	name = "range increase"
 	desc = "Increases the range of a kinetic accelerator when installed."
 	modifier = 1
-	cost = 24 //so you can fit four plus a tracer cosmetic
+	cost = 25
 
 /obj/item/borg/upgrade/modkit/range/modify_projectile(obj/item/projectile/kinetic/K)
 	K.range += modifier
@@ -228,55 +420,87 @@
 /obj/item/borg/upgrade/modkit/damage/modify_projectile(obj/item/projectile/kinetic/K)
 	K.damage += modifier
 
-
+//Cooldown
- //Cooldown - CHOMPstation re-addition start
 /obj/item/borg/upgrade/modkit/cooldown
 	name = "cooldown decrease"
-	desc = "Decreases the cooldown of a kinetic accelerator."
+	desc = "Decreases the cooldown of a kinetic accelerator. Not rated for minebot use."
 	modifier = 2.5
+	minebot_upgrade = FALSE
+	var/decreased
 
 /obj/item/borg/upgrade/modkit/cooldown/install(obj/item/weapon/gun/energy/kinetic_accelerator/KA, mob/user)
 	. = ..()
 	if(.)
-		KA.fire_delay -= modifier
+		var/old = KA.overheat_time
+		KA.overheat_time = max(0, KA.overheat_time - modifier)
+		decreased = old - KA.overheat_time
+
 
 /obj/item/borg/upgrade/modkit/cooldown/uninstall(obj/item/weapon/gun/energy/kinetic_accelerator/KA)
-	KA.fire_delay += modifier
+	KA.overheat_time += decreased
 	..()
 
-//Cooldown - CHOMPstation re-addition end
+/obj/item/borg/upgrade/modkit/cooldown/minebot
-/obj/item/borg/upgrade/modkit/efficiency
+	name = "minebot cooldown decrease"
-	name = "energy efficiency"
+	desc = "Decreases the cooldown of a kinetic accelerator. Only rated for minebot use."
-	desc = "Decreases the energy use of a kinetic accelerator."
+	icon_state = "door_electronics"
-	modifier = 20
+	icon = 'icons/obj/module.dmi'
+	denied_type = /obj/item/borg/upgrade/modkit/cooldown/minebot
+	modifier = 10
+	cost = 0
+	minebot_upgrade = TRUE
+	minebot_exclusive = TRUE
 
-/obj/item/borg/upgrade/modkit/efficiency/install(obj/item/weapon/gun/energy/kinetic_accelerator/KA, mob/user)
-	. = ..()
-	if(.)
-		KA.charge_cost -= modifier
-
-/obj/item/borg/upgrade/modkit/efficiency/uninstall(obj/item/weapon/gun/energy/kinetic_accelerator/KA)
-	KA.charge_cost += modifier
-	..()
 
 //AoE blasts
 /obj/item/borg/upgrade/modkit/aoe
 	modifier = 0
+	var/turf_aoe = FALSE
+	var/stats_stolen = FALSE
+
+/obj/item/borg/upgrade/modkit/aoe/install(obj/item/weapon/gun/energy/kinetic_accelerator/KA, mob/user)
+	. = ..()
+	if(.)
+		for(var/obj/item/borg/upgrade/modkit/aoe/AOE in KA.modkits) //make sure only one of the aoe modules has values if somebody has multiple
+			if(AOE.stats_stolen || AOE == src)
+				continue
+			modifier += AOE.modifier //take its modifiers
+			AOE.modifier = 0
+			turf_aoe += AOE.turf_aoe
+			AOE.turf_aoe = FALSE
+			AOE.stats_stolen = TRUE
+
+/obj/item/borg/upgrade/modkit/aoe/uninstall(obj/item/weapon/gun/energy/kinetic_accelerator/KA)
+	..()
+	modifier = initial(modifier) //get our modifiers back
+	turf_aoe = initial(turf_aoe)
+	stats_stolen = FALSE
 
 /obj/item/borg/upgrade/modkit/aoe/modify_projectile(obj/item/projectile/kinetic/K)
 	K.name = "kinetic explosion"
-	if(!K.turf_aoe && !K.mob_aoe)
+
-		K.hit_overlays += /obj/effect/temp_visual/explosion/fast
+/obj/item/borg/upgrade/modkit/aoe/projectile_strike(obj/item/projectile/kinetic/K, turf/target_turf, atom/target, obj/item/weapon/gun/energy/kinetic_accelerator/KA)
-	K.mob_aoe += modifier
+	if(stats_stolen)
+		return
+	new /obj/effect/temp_visual/explosion/fast(target_turf)
+	if(turf_aoe)
+		for(var/T in RANGE_TURFS(1, target_turf) - target_turf)
+			if(ismineralturf(T))
+				var/turf/simulated/mineral/M = T
+				M.GetDrilled(TRUE)
+	if(modifier)
+		for(var/mob/living/L in range(1, target_turf) - K.firer - target)
+			var/armor = L.run_armor_check(K.def_zone, K.check_armour)
+			// var/armor = L.run_armor_check(K.def_zone, K.flag, null, null, K.armour_penetration)
+			L.apply_damage(K.damage*modifier, K.damage_type, K.def_zone, armor)
+			// L.apply_damage(K.damage*modifier, K.damage_type, K.def_zone, armor)
+			to_chat(L, "<span class='userdanger'>You're struck by a [K.name]!</span>")
 
 /obj/item/borg/upgrade/modkit/aoe/turfs
 	name = "mining explosion"
 	desc = "Causes the kinetic accelerator to destroy rock in an AoE."
 	denied_type = /obj/item/borg/upgrade/modkit/aoe/turfs
-
+	turf_aoe = TRUE
-/obj/item/borg/upgrade/modkit/aoe/turfs/modify_projectile(obj/item/projectile/kinetic/K)
-	..()
-	K.turf_aoe = TRUE
 
 /obj/item/borg/upgrade/modkit/aoe/turfs/andmobs
 	name = "offensive mining explosion"
@@ -289,19 +513,150 @@
 	desc = "Causes the kinetic accelerator to damage mobs in an AoE."
 	modifier = 0.2
 
+//Minebot passthrough
+/obj/item/borg/upgrade/modkit/minebot_passthrough
+	name = "minebot passthrough"
+	desc = "Causes kinetic accelerator shots to pass through minebots."
+	cost = 0
+
+//Tendril-unique modules
+/obj/item/borg/upgrade/modkit/cooldown/repeater
+	name = "rapid repeater"
+	desc = "Quarters the kinetic accelerator's cooldown on striking a living target, but greatly increases the base cooldown."
+	denied_type = /obj/item/borg/upgrade/modkit/cooldown/repeater
+	modifier = -14 //Makes the cooldown 3 seconds(with no cooldown mods) if you miss. Don't miss.
+	cost = 50
+
+/obj/item/borg/upgrade/modkit/cooldown/repeater/projectile_strike_predamage(obj/item/projectile/kinetic/K, turf/target_turf, atom/target, obj/item/weapon/gun/energy/kinetic_accelerator/KA)
+	var/valid_repeat = FALSE
+	if(isliving(target))
+		var/mob/living/L = target
+		if(L.stat != DEAD)
+			valid_repeat = TRUE
+	if(ismineralturf(target_turf))
+		valid_repeat = TRUE
+	if(valid_repeat)
+		KA.overheat = FALSE
+		KA.attempt_reload(KA.overheat_time * 0.25) //If you hit, the cooldown drops to 0.75 seconds.
+
+/*
+/obj/item/borg/upgrade/modkit/lifesteal
+	name = "lifesteal crystal"
+	desc = "Causes kinetic accelerator shots to slightly heal the firer on striking a living target."
+	icon_state = "modkit_crystal"
+	modifier = 2.5 //Not a very effective method of healing.
+	cost = 20
+	var/static/list/damage_heal_order = list(BRUTE, BURN, OXY)
+
+/obj/item/borg/upgrade/modkit/lifesteal/projectile_prehit(obj/item/projectile/kinetic/K, atom/target, obj/item/weapon/gun/energy/kinetic_accelerator/KA)
+	if(isliving(target) && isliving(K.firer))
+		var/mob/living/L = target
+		if(L.stat == DEAD)
+			return
+		L = K.firer
+		L.heal_ordered_damage(modifier, damage_heal_order)
+*/
+
+/obj/item/borg/upgrade/modkit/resonator_blasts
+	name = "resonator blast"
+	desc = "Causes kinetic accelerator shots to leave and detonate resonator blasts."
+	denied_type = /obj/item/borg/upgrade/modkit/resonator_blasts
+	cost = 30
+	modifier = 0.25 //A bonus 15 damage if you burst the field on a target, 60 if you lure them into it.
+
+/obj/item/borg/upgrade/modkit/resonator_blasts/projectile_strike(obj/item/projectile/kinetic/K, turf/target_turf, atom/target, obj/item/weapon/gun/energy/kinetic_accelerator/KA)
+	if(target_turf && !ismineralturf(target_turf)) //Don't make fields on mineral turfs.
+		var/obj/effect/resonance/R = locate(/obj/effect/resonance) in target_turf
+		if(R)
+			R.resonance_damage *= modifier
+			R.burst()
+			return
+		new /obj/effect/resonance(target_turf, K.firer, 30)
+
+/*
+/obj/item/borg/upgrade/modkit/bounty
+	name = "death syphon"
+	desc = "Killing or assisting in killing a creature permanently increases your damage against that type of creature."
+	denied_type = /obj/item/borg/upgrade/modkit/bounty
+	modifier = 1.25
+	cost = 30
+	var/maximum_bounty = 25
+	var/list/bounties_reaped = list()
+
+/obj/item/borg/upgrade/modkit/bounty/projectile_prehit(obj/item/projectile/kinetic/K, atom/target, obj/item/weapon/gun/energy/kinetic_accelerator/KA)
+	if(isliving(target))
+		var/mob/living/L = target
+		var/list/existing_marks = L.has_status_effect_list(STATUS_EFFECT_SYPHONMARK)
+		for(var/i in existing_marks)
+			var/datum/status_effect/syphon_mark/SM = i
+			if(SM.reward_target == src) //we want to allow multiple people with bounty modkits to use them, but we need to replace our own marks so we don't multi-reward
+				SM.reward_target = null
+				qdel(SM)
+		L.apply_status_effect(STATUS_EFFECT_SYPHONMARK, src)
+
+/obj/item/borg/upgrade/modkit/bounty/projectile_strike(obj/item/projectile/kinetic/K, turf/target_turf, atom/target, obj/item/weapon/gun/energy/kinetic_accelerator/KA)
+	if(isliving(target))
+		var/mob/living/L = target
+		if(bounties_reaped[L.type])
+			var/kill_modifier = 1
+			if(K.pressure_decrease_active)
+				kill_modifier *= K.pressure_decrease
+			var/armor = L.run_armor_check(K.def_zone, K.flag, null, null, K.armour_penetration)
+			L.apply_damage(bounties_reaped[L.type]*kill_modifier, K.damage_type, K.def_zone, armor)
+
+/obj/item/borg/upgrade/modkit/bounty/proc/get_kill(mob/living/L)
+	var/bonus_mod = 1
+	if(ismegafauna(L)) //megafauna reward
+		bonus_mod = 4
+	if(!bounties_reaped[L.type])
+		bounties_reaped[L.type] = min(modifier * bonus_mod, maximum_bounty)
+	else
+		bounties_reaped[L.type] = min(bounties_reaped[L.type] + (modifier * bonus_mod), maximum_bounty)
+*/
 
 //Indoors
 /obj/item/borg/upgrade/modkit/indoors
 	name = "decrease pressure penalty"
-	desc = "Increases the damage a kinetic accelerator does in a high pressure environment."
+	desc = "A remarkably illegal modification kit that increases the damage a kinetic accelerator does in pressurized environments."
 	modifier = 2
 	denied_type = /obj/item/borg/upgrade/modkit/indoors
 	maximum_of_type = 2
-	cost = 40
+	cost = 35
 
 /obj/item/borg/upgrade/modkit/indoors/modify_projectile(obj/item/projectile/kinetic/K)
 	K.pressure_decrease *= modifier
 
+// Atmospheric
+/obj/item/borg/upgrade/modkit/heater
+	name = "temperature modulator"
+	desc = "A remarkably unusual modification kit that makes kinetic accelerators more usable in hot, overpressurized environments, \
+	in exchange for making them weak elsewhere, like the cold or in space."
+	denied_type = /obj/item/borg/upgrade/modkit/indoors
+	maximum_of_type = 1
+	cost = 30
+
+/obj/item/borg/upgrade/modkit/heater/modify_projectile(obj/item/projectile/kinetic/K)
+	K.environment = KA_ENVIRO_TYPE_HOT
+
+//Trigger Guard
+
+/*
+/obj/item/borg/upgrade/modkit/trigger_guard
+	name = "modified trigger guard"
+	desc = "Allows creatures normally incapable of firing guns to operate the weapon when installed."
+	cost = 20
+	denied_type = /obj/item/borg/upgrade/modkit/trigger_guard
+
+/obj/item/borg/upgrade/modkit/trigger_guard/install(obj/item/weapon/gun/energy/kinetic_accelerator/KA, mob/user)
+	. = ..()
+	if(.)
+		KA.trigger_guard = TRIGGER_GUARD_ALLOW_ALL
+
+/obj/item/borg/upgrade/modkit/trigger_guard/uninstall(obj/item/weapon/gun/energy/kinetic_accelerator/KA)
+	KA.trigger_guard = TRIGGER_GUARD_NORMAL
+	..()
+*/
+
 //Cosmetic
 
 /obj/item/borg/upgrade/modkit/chassis_mod
@@ -342,7 +697,7 @@
 
 /obj/item/borg/upgrade/modkit/tracer/adjustable
 	name = "adjustable tracer bolts"
-	desc = "Causes kinetic accelerator bolts to have a adjustably-colored tracer trail and explosion. Use in-hand to change color."
+	desc = "Causes kinetic accelerator bolts to have an adjustable-colored tracer trail and explosion. Use in-hand to change color."
 
 /obj/item/borg/upgrade/modkit/tracer/adjustable/attack_self(mob/user)
-	bolt_color = input(user,"Choose Color") as color
+	bolt_color = input(user,"","Choose Color",bolt_color) as color|null