Exosuit Modular Internals, The Squeakening

code/__defines/objects.dm

@@ -40,4 +40,12 @@
 #define CATALOGUER_REWARD_SUPERHARD	2560	// Very difficult and dangerous, such as scanning the Advanced Dark Gygax.
 
 // 5	10	20	40	80	160
-// 10	40	160	640	2560
+// 10	40	160	640	2560
+
+// Defines for Exosuit components.
+
+#define MECH_HULL		"Hull"
+#define MECH_ACTUATOR	"Actuator"
+#define MECH_ARMOR		"Plating"
+#define MECH_GAS		"Life Support"
+#define MECH_ELECTRIC	"Firmware"

code/datums/autolathe/arms.dm

@@ -33,6 +33,12 @@
 	path =/obj/item/ammo_casing/a12g/stunshell
 	hidden = 1
 
+/datum/category_item/autolathe/arms/flechetteshell
+	name = "ammunition (flechette cartridge, shotgun)"
+	path =/obj/item/ammo_casing/a12g/flechette
+	hidden = 1
+	man_rating = 2
+
 //////////////////
 /*Ammo magazines*/
 //////////////////
@@ -64,6 +70,18 @@
 	name = "pistol magazine (.45 flash)"
 	path =/obj/item/ammo_magazine/m45/flash
 
+/datum/category_item/autolathe/arms/pistol_45ap
+	name = "pistol magazine (.45 armor piercing)"
+	path =/obj/item/ammo_magazine/m45/ap
+	hidden = 1
+	resources = list(DEFAULT_WALL_MATERIAL = 500, MAT_PLASTEEL = 300)
+
+/datum/category_item/autolathe/arms/pistol_45hp
+	name = "pistol magazine (.45 hollowpoint)"
+	path =/obj/item/ammo_magazine/m45/hp
+	hidden = 1
+	resources = list(DEFAULT_WALL_MATERIAL = 500, MAT_PLASTIC = 200)
+
 /datum/category_item/autolathe/arms/pistol_45uzi
 	name = "uzi magazine (.45)"
 	path =/obj/item/ammo_magazine/m45uzi
@@ -138,6 +156,12 @@
 	name = "top-mounted SMG magazine (9mm flash)"
 	path =/obj/item/ammo_magazine/m9mmt/flash
 
+/datum/category_item/autolathe/arms/smg_9mmap
+	name = "top-mounted SMG magazine (9mm armor piercing)"
+	path =/obj/item/ammo_magazine/m9mmt/ap
+	hidden = 1
+	man_rating = 2
+
 /////// 10mm
 /datum/category_item/autolathe/arms/smg_10mm
 	name = "SMG magazine (10mm)"

code/datums/autolathe/autolathe.dm

@@ -71,6 +71,7 @@ var/datum/category_collection/autolathe/autolathe_recipes
 	var/is_stack // Creates multiple of an item if applied to non-stack items
 	var/max_stack
 	var/no_scale
+	var/man_rating = 0
 
 /datum/category_item/autolathe/dd_SortValue()
 	return name

code/datums/autolathe/general.dm

@@ -98,6 +98,18 @@
 	is_stack = TRUE
 	no_scale = TRUE //prevents material duplication exploits
 
+/datum/category_item/autolathe/general/plasteel
+	name = "plasteel sheets"
+	path =/obj/item/stack/material/plasteel
+	is_stack = TRUE
+	no_scale = TRUE //prevents material duplication exploits
+
+/datum/category_item/autolathe/general/plastic
+	name = "plastic sheets"
+	path =/obj/item/stack/material/plastic
+	is_stack = TRUE
+	no_scale = TRUE //prevents material duplication exploits
+
 //TFF 24/12/19 - Let people print more spray bottles if needed.
 /datum/category_item/autolathe/general/spraybottle
 	name = "spray bottle"
@@ -133,6 +145,19 @@
 	name = "maglight"
 	path =/obj/item/device/flashlight/maglight
 
+<<<<<<< HEAD
+=======
+/datum/category_item/autolathe/general/ecigcartridge
+	name = "ecigarette cartridge"
+	path = /obj/item/weapon/reagent_containers/ecig_cartridge/blank
+
+/datum/category_item/autolathe/general/idcard
+	name = "ID Card"
+	path = /obj/item/weapon/card/id
+	resources = list(DEFAULT_WALL_MATERIAL = 100, MAT_GLASS = 100, MAT_PLASTIC = 300)
+	man_rating = 2
+
+>>>>>>> 282b42d... Exosuit Modular Internals, The Squeakening (#7329)
 /datum/category_item/autolathe/general/handcuffs
 	name = "handcuffs"
 	path =/obj/item/weapon/handcuffs

code/game/machinery/autolathe.dm

@@ -12,8 +12,8 @@
 
 	circuit = /obj/item/weapon/circuitboard/autolathe
 	var/datum/category_collection/autolathe/machine_recipes
-	var/list/stored_material =  list(DEFAULT_WALL_MATERIAL = 0, "glass" = 0)
+	var/list/stored_material =  list(DEFAULT_WALL_MATERIAL = 0, MAT_GLASS = 0, MAT_PLASTEEL = 0, MAT_PLASTIC = 0)
-	var/list/storage_capacity = list(DEFAULT_WALL_MATERIAL = 0, "glass" = 0)
+	var/list/storage_capacity = list(DEFAULT_WALL_MATERIAL = 0, MAT_GLASS = 0, MAT_PLASTEEL = 0, MAT_PLASTIC = 0)
 	var/datum/category_group/autolathe/current_category
 
 	var/hacked = 0
@@ -26,6 +26,9 @@
 
 	var/datum/wires/autolathe/wires = null
 
+	var/mb_rating = 0
+	var/man_rating = 0
+
 	var/filtertext
 
 /obj/machinery/autolathe/Initialize()
@@ -64,6 +67,9 @@
 		var/list/material_bottom = list("<tr>")
 
 		for(var/material in stored_material)
+			if(material != DEFAULT_WALL_MATERIAL && material != MAT_GLASS) // Don't show the Extras unless people care enough to put them in.
+				if(stored_material[material] <= 0)
+					continue
 			material_top += "<td width = '25%' align = center><b>[material]</b></td>"
 			material_bottom += "<td width = '25%' align = center>[stored_material[material]]<b>/[storage_capacity[material]]</b></td>"
 
@@ -72,7 +78,9 @@
 		dat += "<h2>Printable Designs</h2><h3>Showing: <a href='?src=\ref[src];change_category=1'>[current_category]</a>.</h3></center><table width = '100%'>"
 
 		for(var/datum/category_item/autolathe/R in current_category.items)
-			if(R.hidden && !hacked)
+			if(R.hidden && !hacked)	// Illegal or nonstandard.
+				continue
+			if(R.man_rating > man_rating)	// Advanced parts.
 				continue
 			if(filtertext && findtext(R.name, filtertext) == 0)
 				continue
@@ -311,14 +319,16 @@
 //Updates overall lathe storage size.
 /obj/machinery/autolathe/RefreshParts()
 	..()
-	var/mb_rating = 0
+	mb_rating = 0
-	var/man_rating = 0
+	man_rating = 0
 	for(var/obj/item/weapon/stock_parts/matter_bin/MB in component_parts)
 		mb_rating += MB.rating
 	for(var/obj/item/weapon/stock_parts/manipulator/M in component_parts)
 		man_rating += M.rating
 
 	storage_capacity[DEFAULT_WALL_MATERIAL] = mb_rating  * 25000
+	storage_capacity[MAT_PLASTIC] = mb_rating * 20000
+	storage_capacity[MAT_PLASTEEL] = mb_rating * 16250
 	storage_capacity["glass"] = mb_rating  * 12500
 	build_time = 50 / man_rating
 	mat_efficiency = 1.1 - man_rating * 0.1// Normally, price is 1.25 the amount of material, so this shouldn't go higher than 0.6. Maximum rating of parts is 5

code/game/mecha/combat/combat.dm

@@ -17,6 +17,14 @@
 	max_special_equip = 1
 	cargo_capacity = 1
 
+	starting_components = list(
+		/obj/item/mecha_parts/component/hull/durable,
+		/obj/item/mecha_parts/component/actuator,
+		/obj/item/mecha_parts/component/armor/reinforced,
+		/obj/item/mecha_parts/component/gas,
+		/obj/item/mecha_parts/component/electrical
+		)
+
 /*
 /obj/mecha/combat/range_action(target as obj|mob|turf)
 	if(internal_damage&MECHA_INT_CONTROL_LOST)

code/game/mecha/combat/durand.dm

@@ -5,8 +5,8 @@
 	initial_icon = "durand"
 	step_in = 4
 	dir_in = 1 //Facing North.
-	health = 400
+	health = 300
-	maxhealth = 400			//Don't forget to update the /old variant if  you change this number.
+	maxhealth = 300			//Don't forget to update the /old variant if  you change this number.
 	deflect_chance = 20
 	damage_absorption = list("brute"=0.5,"fire"=1.1,"bullet"=0.65,"laser"=0.85,"energy"=0.9,"bomb"=0.8)
 	max_temperature = 30000
@@ -23,6 +23,14 @@
 	max_universal_equip = 1
 	max_special_equip = 1
 
+	starting_components = list(
+		/obj/item/mecha_parts/component/hull/durable,
+		/obj/item/mecha_parts/component/actuator,
+		/obj/item/mecha_parts/component/armor/military,
+		/obj/item/mecha_parts/component/gas,
+		/obj/item/mecha_parts/component/electrical
+		)
+
 	defence_mode_possible = 1
 
 /*
@@ -73,5 +81,5 @@
 /obj/mecha/combat/durand/old/New()
 	..()
 	health = 25
-	maxhealth = 350	//Just slightly worse.
+	maxhealth = 250	//Just slightly worse.
 	cell.charge = rand(0, (cell.charge/2))

code/game/mecha/combat/gygax.dm

@@ -5,8 +5,8 @@
 	initial_icon = "gygax"
 	step_in = 3
 	dir_in = 1 //Facing North.
-	health = 300
+	health = 250
-	maxhealth = 300			//Don't forget to update the /old variant if  you change this number.
+	maxhealth = 250			//Don't forget to update the /old variant if  you change this number.
 	deflect_chance = 15
 	damage_absorption = list("brute"=0.75,"fire"=1,"bullet"=0.8,"laser"=0.7,"energy"=0.85,"bomb"=1)
 	max_temperature = 25000
@@ -21,6 +21,14 @@
 	max_universal_equip = 1
 	max_special_equip = 1
 
+	starting_components = list(
+		/obj/item/mecha_parts/component/hull/lightweight,
+		/obj/item/mecha_parts/component/actuator,
+		/obj/item/mecha_parts/component/armor/marshal,
+		/obj/item/mecha_parts/component/gas,
+		/obj/item/mecha_parts/component/electrical
+		)
+
 	overload_possible = 1
 
 //Not quite sure how to move those yet.
@@ -58,17 +66,12 @@
 	max_universal_equip = 1
 	max_special_equip = 2
 
-/obj/mecha/combat/gygax/dark/Initialize()
+	starting_equipment = list(
-	..()
+		/obj/item/mecha_parts/mecha_equipment/weapon/ballistic/scattershot,
-	var/obj/item/mecha_parts/mecha_equipment/ME = new /obj/item/mecha_parts/mecha_equipment/weapon/ballistic/scattershot
+		/obj/item/mecha_parts/mecha_equipment/weapon/ballistic/missile_rack/grenade/clusterbang,
-	ME.attach(src)
+		/obj/item/mecha_parts/mecha_equipment/tesla_energy_relay,
-	ME = new /obj/item/mecha_parts/mecha_equipment/weapon/ballistic/missile_rack/grenade/clusterbang
+		/obj/item/mecha_parts/mecha_equipment/teleporter
-	ME.attach(src)
+		)
-	ME = new /obj/item/mecha_parts/mecha_equipment/teleporter
-	ME.attach(src)
-	ME = new /obj/item/mecha_parts/mecha_equipment/tesla_energy_relay
-	ME.attach(src)
-	return
 
 /obj/mecha/combat/gygax/dark/add_cell(var/obj/item/weapon/cell/C=null)
 	if(C)
@@ -101,6 +104,14 @@
 	max_universal_equip = 1
 	max_special_equip = 1
 
+	starting_components = list(
+		/obj/item/mecha_parts/component/hull,
+		/obj/item/mecha_parts/component/actuator,
+		/obj/item/mecha_parts/component/armor/lightweight,
+		/obj/item/mecha_parts/component/gas,
+		/obj/item/mecha_parts/component/electrical
+		)
+
 	var/obj/item/clothing/glasses/hud/health/mech/hud
 
 /obj/mecha/combat/gygax/serenity/New()

code/game/mecha/combat/marauder.dm

@@ -5,8 +5,8 @@
 	icon_state = "marauder"
 	initial_icon = "marauder"
 	step_in = 5
-	health = 500
+	health = 350
-	maxhealth = 500		//Don't forget to update the /old variant if  you change this number.
+	maxhealth = 350		//Don't forget to update the /old variant if  you change this number.
 	deflect_chance = 25
 	damage_absorption = list("brute"=0.5,"fire"=0.7,"bullet"=0.45,"laser"=0.6,"energy"=0.7,"bomb"=0.7)
 	max_temperature = 60000
@@ -29,6 +29,21 @@
 	zoom_possible = 1
 	thrusters_possible = 1
 
+	starting_components = list(
+		/obj/item/mecha_parts/component/hull/durable,
+		/obj/item/mecha_parts/component/actuator,
+		/obj/item/mecha_parts/component/armor/military,
+		/obj/item/mecha_parts/component/gas,
+		/obj/item/mecha_parts/component/electrical
+		)
+
+	starting_equipment = list(
+		/obj/item/mecha_parts/mecha_equipment/weapon/energy/pulse,
+		/obj/item/mecha_parts/mecha_equipment/weapon/ballistic/missile_rack/explosive,
+		/obj/item/mecha_parts/mecha_equipment/tesla_energy_relay,
+		/obj/item/mecha_parts/mecha_equipment/antiproj_armor_booster
+		)
+
 /obj/mecha/combat/marauder/seraph
 	desc = "Heavy-duty, command-type exosuit. This is a custom model, utilized only by high-ranking military personnel."
 	name = "Seraph"
@@ -37,12 +52,20 @@
 	initial_icon = "seraph"
 	operation_req_access = list(access_cent_creed)
 	step_in = 3
-	health = 550
+	health = 450
 	wreckage = /obj/effect/decal/mecha_wreckage/seraph
 	internal_damage_threshold = 20
 	force = 55
 	max_equip = 5
 
+	starting_equipment = list(
+		/obj/item/mecha_parts/mecha_equipment/weapon/ballistic/scattershot,
+		/obj/item/mecha_parts/mecha_equipment/weapon/ballistic/missile_rack/explosive,
+		/obj/item/mecha_parts/mecha_equipment/tesla_energy_relay,
+		/obj/item/mecha_parts/mecha_equipment/antiproj_armor_booster,
+		/obj/item/mecha_parts/mecha_equipment/teleporter
+		)
+
 //Note that is the Mauler
 /obj/mecha/combat/marauder/mauler
 	desc = "Heavy-duty, combat exosuit, developed off of the existing Marauder model."
@@ -53,40 +76,6 @@
 	wreckage = /obj/effect/decal/mecha_wreckage/mauler
 	mech_faction = MECH_FACTION_SYNDI
 
-//Note that is the default Marauder
-/obj/mecha/combat/marauder/Initialize()
-	..()
-	var/obj/item/mecha_parts/mecha_equipment/ME = new /obj/item/mecha_parts/mecha_equipment/weapon/energy/pulse
-	ME.attach(src)
-	ME = new /obj/item/mecha_parts/mecha_equipment/weapon/ballistic/missile_rack/explosive
-	ME.attach(src)
-	ME = new /obj/item/mecha_parts/mecha_equipment/tesla_energy_relay(src)
-	ME.attach(src)
-	ME = new /obj/item/mecha_parts/mecha_equipment/antiproj_armor_booster(src)
-	ME.attach(src)
-	return
-
-//Note that this is the seraph.
-/obj/mecha/combat/marauder/seraph/Initialize()
-	..()//Let it equip whatever is needed.
-	var/obj/item/mecha_parts/mecha_equipment/ME
-	if(equipment.len)//Now to remove it and equip anew.
-		for(ME in equipment)
-			ME.detach()
-			qdel(ME)
-	ME = new /obj/item/mecha_parts/mecha_equipment/weapon/ballistic/scattershot(src)
-	ME.attach(src)
-	ME = new /obj/item/mecha_parts/mecha_equipment/weapon/ballistic/missile_rack/explosive(src)
-	ME.attach(src)
-	ME = new /obj/item/mecha_parts/mecha_equipment/teleporter(src)
-	ME.attach(src)
-	ME = new /obj/item/mecha_parts/mecha_equipment/tesla_energy_relay(src)
-	ME.attach(src)
-	ME = new /obj/item/mecha_parts/mecha_equipment/antiproj_armor_booster(src)
-	ME.attach(src)
-	return
-
-
 //I'll break this down later
 /obj/mecha/combat/marauder/relaymove(mob/user,direction)
 	if(user != src.occupant) //While not "realistic", this piece is player friendly.
@@ -150,17 +139,10 @@
 /obj/mecha/combat/marauder/old
 	desc = "Heavy-duty, combat exosuit, developed after the Durand model. Rarely found among civilian populations. This one is particularly worn looking and likely isn't as sturdy."
 
+	starting_equipment = null
+
 /obj/mecha/combat/marauder/old/New()
 	..()
 	health = 25
-	maxhealth = 400	//Just slightly worse.
+	maxhealth = 300	//Just slightly worse.
 	cell.charge = rand(0, (cell.charge/2))
-
-/obj/mecha/combat/marauder/old/Initialize()
-	..()
-	var/obj/item/mecha_parts/mecha_equipment/ME
-	if(equipment.len)
-		for(ME in equipment)
-			ME.detach()
-			qdel(ME)
-			return

code/game/mecha/combat/phazon.dm

@@ -25,15 +25,24 @@
 	max_universal_equip = 3
 	max_special_equip = 4
 
-	phasing_possible = 1
+	starting_components = list(
-	switch_dmg_type_possible = 1
+		/obj/item/mecha_parts/component/hull/durable,
+		/obj/item/mecha_parts/component/actuator,
+		/obj/item/mecha_parts/component/armor/alien,
+		/obj/item/mecha_parts/component/gas,
+		/obj/item/mecha_parts/component/electrical
+		)
+
+	cloak_possible = TRUE
+	phasing_possible = TRUE
+	switch_dmg_type_possible = TRUE
 
 /obj/mecha/combat/phazon/equipped/Initialize()
 	..()
-	var/obj/item/mecha_parts/mecha_equipment/ME = new /obj/item/mecha_parts/mecha_equipment/tool/rcd
+	starting_equipment = list(
-	ME.attach(src)
+		/obj/item/mecha_parts/mecha_equipment/tool/rcd,
-	ME = new /obj/item/mecha_parts/mecha_equipment/gravcatapult
+		/obj/item/mecha_parts/mecha_equipment/gravcatapult
-	ME.attach(src)
+		)
 	return
 
 /* Leaving this until we are really sure we don't need it for reference.
@@ -95,8 +104,9 @@
 	max_universal_equip = 2
 	max_special_equip = 2
 
-	phasing_possible = 1
+	phasing_possible = TRUE
-	switch_dmg_type_possible = 1
+	switch_dmg_type_possible = TRUE
+	cloak_possible = FALSE
 
 /obj/mecha/combat/phazon/janus/take_damage(amount, type="brute")
 	..()

code/game/mecha/components/_component.dm

@@ -0,0 +1,155 @@
+
+/obj/item/mecha_parts/component
+	name = "mecha component"
+	icon = 'icons/mecha/mech_component.dmi'
+	icon_state = "component"
+	w_class = ITEMSIZE_HUGE
+	origin_tech = list(TECH_DATA = 2, TECH_ENGINEERING = 2)
+
+	var/component_type = null
+
+	var/obj/mecha/chassis = null
+	var/start_damaged = FALSE
+
+	var/emp_resistance = 0	// Amount of emp 'levels' removed.
+
+	var/list/required_type = null	// List, if it exists. Exosuits meant to use the component (Unique var changes / effects)
+
+	var/integrity
+	var/integrity_danger_mod = 0.5	// Multiplier for comparison to max_integrity before problems start.
+	var/max_integrity = 100
+
+	var/step_delay = 0
+
+	var/relative_size = 30	// Percent chance for the component to be hit.
+
+	var/internal_damage_flag	// If set, the component will toggle the flag on or off if it is destroyed / severely damaged.
+
+/obj/item/mecha_parts/component/examine(mob/user)
+	. = ..()
+	var/show_integrity = round(integrity/max_integrity*100, 0.1)
+	switch(show_integrity)
+		if(85 to 100)
+			. += "It's fully intact."
+		if(65 to 85)
+			. += "It's slightly damaged."
+		if(45 to 65)
+			. += "<span class='notice'>It's badly damaged.</span>"
+		if(25 to 45)
+			. += "<span class='warning'>It's heavily damaged.</span>"
+		if(2 to 25)
+			. += "<span class='warning'><b>It's falling apart.</b></span>"
+		if(0 to 1)
+			. += "<span class='warning'><b>It is completely destroyed.</b></span>"
+
+/obj/item/mecha_parts/component/Initialize()
+	..()
+	integrity = max_integrity
+
+	if(start_damaged)
+		integrity = round(integrity * integrity_danger_mod)
+
+/obj/item/mecha_parts/component/Destroy()
+	detach()
+	return ..()
+
+// Damage code.
+
+/obj/item/mecha_parts/component/emp_act(var/severity = 4)
+	if(severity + emp_resistance > 4)
+		return
+
+	severity = clamp(severity + emp_resistance, 1, 4)
+
+	take_damage((4 - severity) * round(integrity * 0.1, 0.1))
+
+/obj/item/mecha_parts/component/proc/adjust_integrity(var/amt = 0)
+	integrity = clamp(integrity + amt, 0, max_integrity)
+	return
+
+/obj/item/mecha_parts/component/proc/damage_part(var/dam_amt = 0, var/type = BRUTE)
+	if(dam_amt <= 0)
+		return FALSE
+
+	adjust_integrity(-1 * dam_amt)
+
+	if(chassis && internal_damage_flag)
+		if(get_efficiency() < 0.5)
+			chassis.check_for_internal_damage(list(internal_damage_flag), TRUE)
+
+	return TRUE
+
+/obj/item/mecha_parts/component/proc/get_efficiency()
+	var/integ_limit = round(max_integrity * integrity_danger_mod)
+
+	if(integrity < integ_limit)
+		var/int_percent = round(integrity / integ_limit, 0.1)
+
+		return int_percent
+
+	return 1
+
+// Attach/Detach code.
+
+/obj/item/mecha_parts/component/proc/attach(var/obj/mecha/target, var/mob/living/user)
+	if(target)
+		if(!(component_type in target.internal_components))
+			if(user)
+				to_chat(user, "<span class='notice'>\The [target] doesn't seem to have anywhere to put \the [src].</span>")
+			return FALSE
+		if(target.internal_components[component_type])
+			if(user)
+				to_chat(user, "<span class='notice'>\The [target] already has a [component_type] installed!</span>")
+			return FALSE
+		chassis = target
+		if(user)
+			user.drop_from_inventory(src)
+		forceMove(target)
+
+		if(internal_damage_flag)
+			if(integrity > (max_integrity * integrity_danger_mod))
+				if(chassis.hasInternalDamage(internal_damage_flag))
+					chassis.clearInternalDamage(internal_damage_flag)
+
+			else
+				chassis.check_for_internal_damage(list(internal_damage_flag))
+
+		chassis.internal_components[component_type] = src
+
+		if(user)
+			chassis.visible_message("<span class='notice'>[user] installs \the [src] in \the [chassis].</span>")
+		return TRUE
+	return FALSE
+
+/obj/item/mecha_parts/component/proc/detach()
+	if(chassis)
+		chassis.internal_components[component_type] = null
+
+		if(internal_damage_flag && chassis.hasInternalDamage(internal_damage_flag))	// If the module has been removed, it's kind of unfair to keep it causing problems by being damaged. It's nonfunctional either way.
+			chassis.clearInternalDamage(internal_damage_flag)
+
+		forceMove(get_turf(chassis))
+	chassis = null
+	return TRUE
+
+
+/obj/item/mecha_parts/component/attackby(obj/item/weapon/W as obj, mob/user as mob)
+	if(istype(W,/obj/item/stack/nanopaste))
+		var/obj/item/stack/nanopaste/NP = W
+
+		if(integrity < max_integrity)
+			while(integrity < max_integrity && NP)
+				if(do_after(user, 1 SECOND, src) && NP.use(1))
+					adjust_integrity(10)
+
+			return
+
+	return ..()
+
+// Various procs to handle different calls by Exosuits. IE, movement actions, damage actions, etc.
+
+/obj/item/mecha_parts/component/proc/get_step_delay()
+	return step_delay
+
+/obj/item/mecha_parts/component/proc/handle_move()
+	return

code/game/mecha/components/actuators.dm

@@ -0,0 +1,37 @@
+
+/obj/item/mecha_parts/component/actuator
+	name = "mecha actuator"
+	icon = 'icons/mecha/mech_component.dmi'
+	icon_state = "motor"
+	w_class = ITEMSIZE_HUGE
+	origin_tech = list(TECH_DATA = 2, TECH_ENGINEERING = 2)
+
+	component_type = MECH_ACTUATOR
+
+	start_damaged = FALSE
+
+	emp_resistance = 1
+
+	required_type = null	// List, if it exists. Exosuits meant to use the component.
+
+	integrity_danger_mod = 0.6	// Multiplier for comparison to max_integrity before problems start.
+	max_integrity = 50
+
+	internal_damage_flag = MECHA_INT_CONTROL_LOST
+
+	var/strafing_multiplier = 1.5
+
+/obj/item/mecha_parts/component/actuator/get_step_delay()
+	return step_delay
+
+/obj/item/mecha_parts/component/actuator/hispeed
+	name = "overclocked mecha actuator"
+
+	step_delay = -1
+
+	emp_resistance = -1
+
+	integrity_danger_mod = 0.7
+	max_integrity = 60
+
+	strafing_multiplier = 1.2

code/game/mecha/components/armor.dm

@@ -0,0 +1,238 @@
+
+/obj/item/mecha_parts/component/armor
+	name = "mecha plating"
+	icon = 'icons/mecha/mech_component.dmi'
+	icon_state = "armor"
+	w_class = ITEMSIZE_HUGE
+	origin_tech = list(TECH_DATA = 1, TECH_ENGINEERING = 2)
+
+	component_type = MECH_ARMOR
+
+	start_damaged = FALSE
+
+	emp_resistance = 4
+
+	required_type = null	// List, if it exists. Exosuits meant to use the component.
+
+	integrity_danger_mod = 0.4	// Multiplier for comparison to max_integrity before problems start.
+	max_integrity = 120
+
+	internal_damage_flag = MECHA_INT_TEMP_CONTROL
+
+	step_delay = 1
+
+	var/deflect_chance = 10
+	var/list/damage_absorption = list(
+		"brute"=	0.8,
+		"fire"=		1.2,
+		"bullet"=	0.9,
+		"laser"=	1,
+		"energy"=	1,
+		"bomb"=		1,
+		"bio"=		1,
+		"rad"=		1
+		)
+
+	var/damage_minimum = 10
+	var/minimum_penetration = 0
+	var/fail_penetration_value = 0.66
+
+/obj/item/mecha_parts/component/armor/mining
+	name = "blast-resistant mecha plating"
+
+	step_delay = 2
+	max_integrity = 80
+
+	damage_absorption = list(
+									"brute"=0.8,
+									"fire"=0.8,
+									"bullet"=1.2,
+									"laser"=1.2,
+									"energy"=1,
+									"bomb"=0.5,
+									"bio"=1,
+									"rad"=1
+									)
+
+/obj/item/mecha_parts/component/armor/lightweight
+	name = "lightweight mecha plating"
+
+	max_integrity = 50
+	step_delay = 0
+
+	damage_absorption = list(
+									"brute"=1,
+									"fire"=1.4,
+									"bullet"=1.1,
+									"laser"=1.2,
+									"energy"=1,
+									"bomb"=1,
+									"bio"=1,
+									"rad"=1
+									)
+
+/obj/item/mecha_parts/component/armor/reinforced
+	name = "reinforced mecha plating"
+
+	step_delay = 4
+
+	max_integrity = 80
+
+	minimum_penetration = 10
+
+	damage_absorption = list(
+		"brute"=0.7,
+		"fire"=1,
+		"bullet"=0.7,
+		"laser"=0.85,
+		"energy"=1,
+		"bomb"=0.8
+		)
+
+/obj/item/mecha_parts/component/armor/military
+	name = "military grade mecha plating"
+
+	step_delay = 6
+
+	max_integrity = 100
+
+	emp_resistance = 2
+
+	required_type = list(/obj/mecha/combat)
+
+	damage_minimum = 15
+	minimum_penetration = 25
+
+	damage_absorption = list(
+		"brute"=0.5,
+		"fire"=1.1,
+		"bullet"=0.65,
+		"laser"=0.85,
+		"energy"=0.9,
+		"bomb"=0.8
+		)
+
+/obj/item/mecha_parts/component/armor/military/attach(var/obj/mecha/target, var/mob/living/user)
+	. = ..()
+	if(.)
+		var/typepass = FALSE
+		for(var/type in required_type)
+			if(istype(chassis, type))
+				typepass = TRUE
+
+		if(typepass)
+			step_delay = 3
+		else
+			step_delay = initial(step_delay)
+
+/obj/item/mecha_parts/component/armor/marshal
+	name = "marshal mecha plating"
+
+	step_delay = 5
+
+	max_integrity = 100
+
+	emp_resistance = 3
+
+	deflect_chance = 15
+
+	minimum_penetration = 10
+
+	required_type = list(/obj/mecha/combat)
+
+	damage_absorption = list(
+		"brute"=0.75,
+		"fire"=1,
+		"bullet"=0.8,
+		"laser"=0.7,
+		"energy"=0.85,
+		"bomb"=1
+		)
+
+/obj/item/mecha_parts/component/armor/marshal/attach(var/obj/mecha/target, var/mob/living/user)
+	. = ..()
+	if(.)
+		var/typepass = FALSE
+		for(var/type in required_type)
+			if(istype(chassis, type))
+				typepass = TRUE
+
+		if(typepass)
+			step_delay = 2
+		else
+			step_delay = initial(step_delay)
+
+/obj/item/mecha_parts/component/armor/marshal/reinforced
+	name = "blackops mecha plating"
+
+	step_delay = 5
+
+	damage_absorption = list(
+		"brute"=0.6,
+		"fire"=0.8,
+		"bullet"=0.6,
+		"laser"=0.5,
+		"energy"=0.65,
+		"bomb"=0.8
+		)
+
+/obj/item/mecha_parts/component/armor/military/marauder
+	name = "cutting edge mecha plating"
+
+	step_delay = 4
+
+	max_integrity = 150
+
+	emp_resistance = 3
+
+	required_type = list(/obj/mecha/combat/marauder)
+
+	deflect_chance = 25
+	damage_minimum = 30
+	minimum_penetration = 25
+
+	damage_absorption = list(
+		"brute"=0.5,
+		"fire"=0.7,
+		"bullet"=0.45,
+		"laser"=0.6,
+		"energy"=0.7,
+		"bomb"=0.7
+		)
+
+/obj/item/mecha_parts/component/armor/military/marauder/attach(var/obj/mecha/target, var/mob/living/user)
+	. = ..()
+	if(.)
+		var/typepass = FALSE
+		for(var/type in required_type)
+			if(istype(chassis, type))
+				typepass = TRUE
+
+		if(typepass)
+			step_delay = 1
+		else
+			step_delay = initial(step_delay)
+
+/obj/item/mecha_parts/component/armor/alien
+	name = "strange mecha plating"
+	step_delay = 3
+	damage_absorption = list(
+		"brute"=0.7,
+		"fire"=0.7,
+		"bullet"=0.7,
+		"laser"=0.7,
+		"energy"=0.7,
+		"bomb"=0.7
+		)
+
+/obj/item/mecha_parts/component/armor/alien/attach(var/obj/mecha/target, var/mob/living/user)
+	. = ..()
+	if(.)
+		if(istype(target, /obj/mecha/combat/phazon/janus))
+			step_delay = -1
+
+		else if(istype(target, /obj/mecha/combat/phazon))
+			step_delay = -3
+
+		else
+			step_delay = initial(step_delay)

code/game/mecha/components/electrical.dm

@@ -0,0 +1,31 @@
+
+/obj/item/mecha_parts/component/electrical
+	name = "mecha electrical harness"
+	icon = 'icons/mecha/mech_component.dmi'
+	icon_state = "board"
+	w_class = ITEMSIZE_HUGE
+	origin_tech = list(TECH_DATA = 2, TECH_ENGINEERING = 2)
+
+	component_type = MECH_ELECTRIC
+
+	emp_resistance = 1
+
+	integrity_danger_mod = 0.4
+	max_integrity = 40
+
+	step_delay = 0
+
+	relative_size = 20
+
+	internal_damage_flag = MECHA_INT_SHORT_CIRCUIT
+
+	var/charge_cost_mod = 1
+
+/obj/item/mecha_parts/component/electrical/high_current
+	name = "efficient mecha electrical harness"
+
+	emp_resistance = 0
+	max_integrity = 30
+
+	relative_size = 10
+	charge_cost_mod = 0.6

code/game/mecha/components/hull.dm

@@ -0,0 +1,33 @@
+
+/obj/item/mecha_parts/component/hull
+	name = "mecha hull"
+	icon = 'icons/mecha/mech_component.dmi'
+	icon_state = "hull"
+	w_class = ITEMSIZE_HUGE
+	origin_tech = list(TECH_DATA = 2, TECH_ENGINEERING = 2)
+
+	component_type = MECH_HULL
+
+	emp_resistance = 0	// Amount of emp 'levels' removed.
+
+	required_type = null	// List, if it exists. Exosuits meant to use the component.
+
+	integrity_danger_mod = 0.5	// Multiplier for comparison to max_integrity before problems start.
+	max_integrity = 50
+
+	internal_damage_flag = MECHA_INT_FIRE
+
+	step_delay = 2
+
+/obj/item/mecha_parts/component/hull/durable
+	name = "durable mecha hull"
+
+	step_delay = 4
+	integrity_danger_mod = 0.3
+	max_integrity = 100
+
+/obj/item/mecha_parts/component/hull/lightweight
+	name = "lightweight mecha hull"
+
+	step_delay = 1
+	integrity_danger_mod = 0.3

code/game/mecha/components/lifesupport.dm

@@ -0,0 +1,28 @@
+
+/obj/item/mecha_parts/component/gas
+	name = "mecha life-support"
+	icon = 'icons/mecha/mech_component.dmi'
+	icon_state = "lifesupport"
+	w_class = ITEMSIZE_HUGE
+	origin_tech = list(TECH_DATA = 2, TECH_ENGINEERING = 2)
+
+	component_type = MECH_GAS
+
+	emp_resistance = 1
+
+	integrity_danger_mod = 0.4
+	max_integrity = 40
+
+	step_delay = 0
+
+	relative_size = 20
+
+	internal_damage_flag = MECHA_INT_TANK_BREACH
+
+/obj/item/mecha_parts/component/gas/reinforced
+	name = "reinforced mecha life-support"
+
+	emp_resistance = 2
+	max_integrity = 80
+
+	relative_size = 40

code/game/mecha/equipment/mecha_equipment.dm

@@ -28,6 +28,8 @@
 	var/ready_sound = 'sound/mecha/mech_reload_default.ogg' //Sound to play once the fire delay passed.
 	var/enable_special = FALSE	// Will the tool do its special?
 
+	var/step_delay = 0	// Does the component slow/speed up the suit?
+
 /obj/item/mecha_parts/mecha_equipment/proc/do_after_cooldown(target=1)
 	sleep(equip_cooldown)
 	set_ready_state(1)
@@ -273,3 +275,6 @@
 
 /obj/item/mecha_parts/mecha_equipment/proc/MoveAction() //Allows mech equipment to do an action upon the mech moving
 	return
+
+/obj/item/mecha_parts/mecha_equipment/proc/get_step_delay() // Equipment returns its slowdown or speedboost.
+	return step_delay

code/game/mecha/equipment/tools/armor_melee.dm

@@ -9,6 +9,8 @@
 	var/deflect_coeff = 1.15
 	var/damage_coeff = 0.8
 
+	step_delay = 1
+
 	equip_type = EQUIP_HULL
 
 /obj/item/mecha_parts/mecha_equipment/anticcw_armor_booster/get_equip_info()

code/game/mecha/equipment/tools/armor_ranged.dm

@@ -9,6 +9,8 @@
 	var/deflect_coeff = 1.15
 	var/damage_coeff = 0.8
 
+	step_delay = 2
+
 	equip_type = EQUIP_HULL
 
 /obj/item/mecha_parts/mecha_equipment/antiproj_armor_booster/handle_projectile_contact(var/obj/item/projectile/Proj, var/inc_damage)

code/game/mecha/equipment/tools/repair_droid.dm

@@ -11,6 +11,8 @@
 	var/icon/droid_overlay
 	var/list/repairable_damage = list(MECHA_INT_TEMP_CONTROL,MECHA_INT_TANK_BREACH)
 
+	step_delay = 1
+
 	equip_type = EQUIP_HULL
 
 /obj/item/mecha_parts/mecha_equipment/repair_droid/New()
@@ -79,8 +81,23 @@
 				RD.chassis.clearInternalDamage(int_dam_flag)
 				repaired = 1
 				break
-	if(health_boost<0 || RD.chassis.health < initial(RD.chassis.health))
+
+	var/obj/item/mecha_parts/component/AC = RD.chassis.internal_components[MECH_ARMOR]
+	var/obj/item/mecha_parts/component/HC = RD.chassis.internal_components[MECH_HULL]
+
+	var/damaged_armor = AC.integrity < AC.max_integrity
+
+	var/damaged_hull = HC.integrity < HC.max_integrity
+
+	if(health_boost<0 || RD.chassis.health < initial(RD.chassis.health) || damaged_armor || damaged_hull)
 		RD.chassis.health += min(health_boost, initial(RD.chassis.health)-RD.chassis.health)
+
+		if(AC)
+			AC.adjust_integrity(round(health_boost * 0.5, 0.5))
+
+		if(HC)
+			HC.adjust_integrity(round(health_boost * 0.5, 0.5))
+
 		repaired = 1
 	if(repaired)
 		if(RD.chassis.use_power(RD.energy_drain))

code/game/mecha/equipment/tools/shield.dm

@@ -7,6 +7,8 @@
 	energy_drain = 20
 	range = 0
 
+	step_delay = 1
+
 	var/obj/item/shield_projector/line/exosuit/my_shield = null
 	var/my_shield_type = /obj/item/shield_projector/line/exosuit
 	var/icon/drone_overlay
@@ -66,9 +68,11 @@
 		my_shield.attack_self(chassis.occupant)
 		if(my_shield.active)
 			set_ready_state(0)
+			step_delay = 4
 			log_message("Activated.")
 		else
 			set_ready_state(1)
+			step_delay = 1
 			log_message("Deactivated.")
 
 /obj/item/mecha_parts/mecha_equipment/combat_shield/Topic(href, href_list)

code/game/mecha/equipment/tools/shield_omni.dm

@@ -9,6 +9,8 @@
 	energy_drain = OMNI_SHIELD_DRAIN
 	range = 0
 
+	step_delay = 1
+
 	var/obj/item/shield_projector/shields = null
 	var/shield_type = /obj/item/shield_projector/rectangle/mecha
 
@@ -42,9 +44,11 @@
 		shields.set_on(!shields.active)
 		if(shields.active)
 			set_ready_state(0)
+			step_delay = 4
 			log_message("Activated.")
 		else
 			set_ready_state(1)
+			step_delay = 1
 			log_message("Deactivated.")
 
 /obj/item/mecha_parts/mecha_equipment/omni_shield/Topic(href, href_list)

code/game/mecha/equipment/tools/speedboost.dm

@@ -7,6 +7,9 @@
 
 	equip_type = EQUIP_HULL
 
+	var/slowdown_multiplier = 0.75	// How much does the exosuit multiply its slowdown by if it's the proper type?
+
+/*
 /obj/item/mecha_parts/mecha_equipment/speedboost/attach(obj/mecha/M as obj)
 	..()
 	if(enable_special)
@@ -14,6 +17,13 @@
 	else
 		chassis.step_in = 6 // Improper parts slow the mech down
 	return
+*/
+
+/obj/item/mecha_parts/mecha_equipment/speedboost/get_step_delay()
+	if(enable_special)
+		return -1
+	else
+		return 3
 
 /obj/item/mecha_parts/mecha_equipment/speedboost/detach()
 	chassis.step_in = initial(chassis.step_in)

code/game/mecha/equipment/weapons/ballistic/mortar.dm

@@ -11,6 +11,8 @@
 	projectile = /obj/item/projectile/arc/fragmentation/mortar
 	projectile_energy_cost = 600
 
+	step_delay = 2
+
 	origin_tech = list(TECH_MATERIAL = 4, TECH_COMBAT = 5, TECH_ILLEGAL = 3)
 
 /obj/item/mecha_parts/mecha_equipment/weapon/ballistic/mortar/action_checks(atom/target)

code/game/mecha/equipment/weapons/ballistic/shotgun.dm

@@ -11,6 +11,8 @@
 	deviation = 0.7
 	projectile_energy_cost = 25
 
+	step_delay = 2
+
 	origin_tech = list(TECH_MATERIAL = 3, TECH_COMBAT = 4)
 
 /obj/item/mecha_parts/mecha_equipment/weapon/ballistic/scattershot/rigged

code/game/mecha/equipment/weapons/energy/laser.dm

@@ -52,6 +52,8 @@
 	projectile = /obj/item/projectile/beam/heavylaser
 	fire_sound = 'sound/weapons/lasercannonfire.ogg'
 
+	step_delay = 2
+
 	origin_tech = list(TECH_MATERIAL = 3, TECH_COMBAT = 4, TECH_MAGNET = 4)
 
 /obj/item/mecha_parts/mecha_equipment/weapon/energy/laser/heavy/rigged

code/game/mecha/equipment/weapons/explosive/missile.dm

@@ -2,6 +2,8 @@
 	var/missile_speed = 2
 	var/missile_range = 30
 
+	step_delay = 2
+
 /obj/item/mecha_parts/mecha_equipment/weapon/ballistic/missile_rack/Fire(atom/movable/AM, atom/target, turf/aimloc)
 	AM.throw_at(target,missile_range, missile_speed, chassis)
 
@@ -19,6 +21,8 @@
 	missile_range = 15
 	required_type = /obj/mecha  //Why restrict it to just mining or combat mechs?
 
+	step_delay = 0
+
 	equip_type = EQUIP_UTILITY
 
 /obj/item/mecha_parts/mecha_equipment/weapon/ballistic/missile_rack/flare/Fire(atom/movable/AM, atom/target, turf/aimloc)

code/game/mecha/equipment/weapons/fire/flamethrower.dm

@@ -7,6 +7,8 @@
 
 	energy_drain = 30
 
+	step_delay = 2
+
 	projectile = /obj/item/projectile/bullet/incendiary/flamethrower/large
 	fire_sound = 'sound/weapons/towelwipe.ogg'
 

code/game/mecha/equipment/weapons/fire/incendiary.dm

@@ -16,3 +16,5 @@
 	projectile_energy_cost = 40
 	fire_cooldown = 3
 	origin_tech = list(TECH_MATERIAL = 4, TECH_COMBAT = 5, TECH_PHORON = 2, TECH_ILLEGAL = 1)
+
+	step_delay = 1

code/game/mecha/equipment/weapons/weapons.dm

@@ -12,6 +12,8 @@
 	var/auto_rearm = 0 //Does the weapon reload itself after each shot?
 	required_type = list(/obj/mecha/combat, /obj/mecha/working/hoverpod/combatpod)
 
+	step_delay = 1
+
 	equip_type = EQUIP_WEAPON
 
 /obj/item/mecha_parts/mecha_equipment/weapon/action_checks(atom/target)

code/game/mecha/mecha.dm

@@ -7,6 +7,11 @@
 #define MELEE 1
 #define RANGED 2
 
+#define MECHA_OPERATING     0
+#define MECHA_BOLTS_SECURED 1
+#define MECHA_PANEL_LOOSE   2
+#define MECHA_CELL_OPEN     3
+#define MECHA_CELL_OUT      4
 
 #define MECH_FACTION_NT "nano"
 #define MECH_FACTION_SYNDI "syndi"
@@ -48,7 +53,7 @@
 	var/fail_penetration_value = 0.66	//By how much failing to penetrate reduces your shit. 66% by default.
 
 	var/obj/item/weapon/cell/cell
-	var/state = 0
+	var/state = MECHA_OPERATING
 	var/list/log = new
 	var/last_message = 0
 	var/add_req_access = 1
@@ -108,6 +113,24 @@
 	var/max_universal_equip = 2
 	var/max_special_equip = 1
 
+	var/list/starting_equipment = null	// List containing starting tools.
+
+// Mech Components, similar to Cyborg, but Bigger.
+	var/list/internal_components = list(
+		MECH_HULL = null,
+		MECH_ACTUATOR = null,
+		MECH_ARMOR = null,
+		MECH_GAS = null,
+		MECH_ELECTRIC = null
+		)
+	var/list/starting_components = list(
+		/obj/item/mecha_parts/component/hull,
+		/obj/item/mecha_parts/component/actuator,
+		/obj/item/mecha_parts/component/armor,
+		/obj/item/mecha_parts/component/gas,
+		/obj/item/mecha_parts/component/electrical
+		)
+
 //Working exosuit vars
 	var/list/cargo = list()
 	var/cargo_capacity = 3
@@ -139,7 +162,7 @@
 	var/phasing_possible = 0		//This is to allow phasing.
 	var/can_phase = TRUE			//This is an internal check during the relevant procs.
 	var/phasing_energy_drain = 200
-	
+
 	var/switch_dmg_type_possible = 0	//Can you switch damage type? It is mostly for the Phazon and its children.
 
 	var/smoke_possible = 0
@@ -148,6 +171,8 @@
 	var/smoke_cooldown = 100		//How long you have between uses.
 	var/datum/effect/effect/system/smoke_spread/smoke_system = new
 
+	var/cloak_possible = FALSE		// Can this exosuit innately cloak?
+
 ////All of those are for the HUD buttons in the top left. See Grant and Remove procs in mecha_actions.
 
 	var/datum/action/innate/mecha/mech_eject/eject_action = new
@@ -164,10 +189,20 @@
 	var/datum/action/innate/mecha/mech_cycle_equip/cycle_action = new
 	var/datum/action/innate/mecha/mech_switch_damtype/switch_damtype_action = new
 	var/datum/action/innate/mecha/mech_toggle_phasing/phasing_action = new
+	var/datum/action/innate/mecha/mech_toggle_cloaking/cloak_action = new
 
 	var/weapons_only_cycle = FALSE	//So combat mechs don't switch to their equipment at times.
+/obj/mecha/Initialize()
+	..()
 
+	for(var/path in starting_components)
+		var/obj/item/mecha_parts/component/C = new path(src)
+		C.attach(src)
 
+	if(starting_equipment && LAZYLEN(starting_equipment))
+		for(var/path in starting_equipment)
+			var/obj/item/mecha_parts/mecha_equipment/ME = new path(src)
+			ME.attach(src)
 
 /obj/mecha/drain_power(var/drain_check)
 
@@ -245,6 +280,15 @@
 			else
 				E.forceMove(loc)
 				E.destroy()
+
+		for(var/slot in internal_components)
+			var/obj/item/mecha_parts/component/C = internal_components[slot]
+			if(istype(C))
+				C.damage_part(rand(10, 20))
+				C.detach()
+				WR.crowbar_salvage += C
+				C.forceMove(WR)
+
 		if(cell)
 			WR.crowbar_salvage += cell
 			cell.forceMove(WR)
@@ -256,6 +300,11 @@
 		for(var/obj/item/mecha_parts/mecha_equipment/E in equipment)
 			E.detach(loc)
 			E.destroy()
+		for(var/slot in internal_components)
+			var/obj/item/mecha_parts/component/C = internal_components[slot]
+			if(istype(C))
+				C.detach()
+				qdel(C)
 		if(cell)
 			qdel(cell)
 		if(internal_tank)
@@ -351,6 +400,26 @@
 
 /obj/mecha/examine(mob/user)
 	. = ..()
+
+	var/obj/item/mecha_parts/component/armor/AC = internal_components[MECH_ARMOR]
+
+	var/obj/item/mecha_parts/component/hull/HC = internal_components[MECH_HULL]
+
+	if(AC)
+		. += "It has [AC] attached. [AC.get_efficiency()<0.5?"It is severely damaged.":""]"
+	else
+		. += "It has no armor plating."
+
+	if(HC)
+		if(!AC || AC.get_efficiency() < 0.7)
+			. += "It has [HC] attached. [HC.get_efficiency()<0.5?"It is severely damaged.":""]"
+		else
+			. += "You cannot tell what type of hull it has."
+
+	else
+		. += "It does not seem to have a completed hull."
+
+
 	var/integrity = health/initial(health)*100
 	switch(integrity)
 		if(85 to 100)
@@ -536,6 +605,12 @@
 		user.forceMove(get_turf(src))
 		to_chat(user, "You climb out from [src]")
 		return 0
+
+	var/obj/item/mecha_parts/component/hull/HC = internal_components[MECH_HULL]
+	if(!HC)
+		occupant_message("<span class='notice'>You can't operate an exosuit that doesn't have a hull!</span>")
+		return
+
 	if(connected_port)
 		if(world.time - last_message > 20)
 			src.occupant_message("<span class='warning'>Unable to move while connected to the air system port</span>")
@@ -562,6 +637,44 @@
 
 	return call((proc_res["dyndomove"]||src), "dyndomove")(direction)
 
+/obj/mecha/proc/get_step_delay()
+	var/tally = 0
+
+	if(overload)
+		tally = min(1, round(step_in/2))
+
+	for(var/slot in internal_components)
+		var/obj/item/mecha_parts/component/C = internal_components[slot]
+		if(C && C.get_step_delay())
+			tally += C.get_step_delay()
+
+	for(var/obj/item/mecha_parts/mecha_equipment/ME in equipment)
+		if(ME.get_step_delay())
+			tally += ME.get_step_delay()
+
+	var/obj/item/mecha_parts/component/actuator/actuator = internal_components[MECH_ACTUATOR]
+
+	if(!actuator)	// Relying purely on hydraulic pumps. You're going nowhere fast.
+		tally = 2 SECONDS
+
+		return tally
+
+	tally += 0.5 SECONDS * (1 - actuator.get_efficiency())	// Damaged actuators run slower, slowing as damage increases beyond its threshold.
+
+	if(strafing)
+		tally = round(tally * actuator.strafing_multiplier)
+
+	for(var/obj/item/mecha_parts/mecha_equipment/ME in equipment)
+		if(istype(ME, /obj/item/mecha_parts/mecha_equipment/speedboost))
+			var/obj/item/mecha_parts/mecha_equipment/speedboost/SB = ME
+			for(var/path in ME.required_type)
+				if(istype(src, path))
+					tally = round(tally * SB.slowdown_multiplier)
+					break
+			break
+
+	return max(1, round(tally))
+
 /obj/mecha/proc/dyndomove(direction)
 	if(!can_move)
 		return 0
@@ -600,7 +713,6 @@
 		health--
 		if(health < initial(health) - initial(health)/3)
 			overload = 0
-			step_in = initial(step_in)
 			step_energy_drain = initial(step_energy_drain)
 			src.occupant_message("<font color='red'>Leg actuators damage threshold exceded. Disabling overload.</font>")
 
@@ -656,7 +768,7 @@
 			if(!src.check_for_support())
 				src.pr_inertial_movement.start(list(src,direction))
 				src.log_message("<span class='warning'>Movement control lost. Inertial movement started.</span>")
-		if(do_after(step_in))
+		if(do_after(get_step_delay()))
 			can_move = 1
 		return 1
 	return 0
@@ -708,7 +820,7 @@
 					flick("[initial_icon]-phase", src)
 					src.loc = get_step(src,src.dir)
 					src.use_power(phasing_energy_drain)
-					sleep(step_in*3)
+					sleep(get_step_delay() * 3)
 					can_phase = TRUE
 					occupant_message("Phazed.")
 			. = ..(obstacle)
@@ -785,16 +897,57 @@
 	update_damage_alerts()
 	if(amount)
 		var/damage = absorbDamage(amount,type)
+
+		damage = components_handle_damage(damage,type)
+
 		health -= damage
+
 		update_health()
 		log_append_to_last("Took [damage] points of damage. Damage type: \"[type]\".",1)
 	return
 
+/obj/mecha/proc/components_handle_damage(var/damage, var/type = BRUTE)
+	var/obj/item/mecha_parts/component/armor/AC = internal_components[MECH_ARMOR]
+
+	if(AC)
+		var/armor_efficiency = AC.get_efficiency()
+		var/damage_change = armor_efficiency * (damage * 0.5) * AC.damage_absorption[type]
+		AC.damage_part(damage_change, type)
+		damage -= damage_change
+
+	var/obj/item/mecha_parts/component/hull/HC = internal_components[MECH_HULL]
+
+	if(HC)
+		if(HC.integrity)
+			var/hull_absorb = round(rand(5, 10) / 10, 0.1) * damage
+			HC.damage_part(hull_absorb, type)
+			damage -= hull_absorb
+
+	for(var/obj/item/mecha_parts/component/C in (internal_components - list(MECH_HULL, MECH_ARMOR)))
+		if(prob(C.relative_size))
+			var/damage_part_amt = round(damage / 4, 0.1)
+			C.damage_part(damage_part_amt)
+			damage -= damage_part_amt
+
+	return damage
+
+/obj/mecha/proc/get_damage_absorption()
+	var/obj/item/mecha_parts/component/armor/AC = internal_components[MECH_ARMOR]
+
+	if(!istype(AC))
+		return
+
+	else
+		if(AC.get_efficiency() > 0.25)
+			return AC.damage_absorption
+
+	return
+
 /obj/mecha/proc/absorbDamage(damage,damage_type)
 	return call((proc_res["dynabsorbdamage"]||src), "dynabsorbdamage")(damage,damage_type)
 
 /obj/mecha/proc/dynabsorbdamage(damage,damage_type)
-	return damage*(listgetindex(damage_absorption,damage_type) || 1)
+	return damage*(listgetindex(get_damage_absorption(),damage_type) || 1)
 
 /obj/mecha/airlock_crush(var/crush_damage)
 	..()
@@ -814,14 +967,24 @@
 	if(user == occupant)
 		show_radial_occupant(user)
 		return
-	
+
 	user.setClickCooldown(user.get_attack_speed())
 	src.log_message("Attack by hand/paw. Attacker - [user].",1)
 
+	var/obj/item/mecha_parts/component/armor/ArmC = internal_components[MECH_ARMOR]
+
+	var/temp_deflect_chance = deflect_chance
+
+	if(!ArmC)
+		temp_deflect_chance = 1
+
+	else
+		temp_deflect_chance = round(ArmC.get_efficiency() * ArmC.deflect_chance + (defence_mode ? 25 : 0))
+
 	if(istype(user,/mob/living/carbon/human))
 		var/mob/living/carbon/human/H = user
 		if(H.species.can_shred(user))
-			if(!prob(src.deflect_chance))
+			if(!prob(temp_deflect_chance))
 				src.take_damage(15)	//The take_damage() proc handles armor values
 				if(prob(25))	//Why would they get free internal damage. At least make it a bit RNG.
 					src.check_for_internal_damage(list(MECHA_INT_TEMP_CONTROL,MECHA_INT_TANK_BREACH,MECHA_INT_CONTROL_LOST))
@@ -838,7 +1001,7 @@
 			user.visible_message("<span class='danger'>\The [user] hits \the [src]. Nothing happens.</span>","<span class='danger'>You hit \the [src] with no visible effect.</span>")
 			src.log_append_to_last("Armor saved.")
 		return
-	else if ((HULK in user.mutations) && !prob(src.deflect_chance))
+	else if ((HULK in user.mutations) && !prob(temp_deflect_chance))
 		src.take_damage(15)	//The take_damage() proc handles armor values
 		if(prob(25))	//Hulks punch hard but lets not give them consistent internal damage.
 			src.check_for_internal_damage(list(MECHA_INT_TEMP_CONTROL,MECHA_INT_TANK_BREACH,MECHA_INT_CONTROL_LOST))
@@ -856,11 +1019,30 @@
 
 //I think this is relative to throws.
 /obj/mecha/proc/dynhitby(atom/movable/A)
+	var/obj/item/mecha_parts/component/armor/ArmC = internal_components[MECH_ARMOR]
+
+	var/temp_deflect_chance = deflect_chance
+	var/temp_damage_minimum = damage_minimum
+	var/temp_minimum_penetration = minimum_penetration
+	var/temp_fail_penetration_value = fail_penetration_value
+
+	if(!ArmC)
+		temp_deflect_chance = 0
+		temp_damage_minimum = 0
+		temp_minimum_penetration = 0
+		temp_fail_penetration_value = 1
+
+	else
+		temp_deflect_chance = round(ArmC.get_efficiency() * ArmC.deflect_chance + (defence_mode ? 25 : 0))
+		temp_damage_minimum = round(ArmC.get_efficiency() * ArmC.damage_minimum)
+		temp_minimum_penetration = round(ArmC.get_efficiency() * ArmC.minimum_penetration)
+		temp_fail_penetration_value = round(ArmC.get_efficiency() * ArmC.fail_penetration_value)
+
 	if(istype(A, /obj/item/mecha_parts/mecha_tracking))
 		A.forceMove(src)
 		src.visible_message("The [A] fastens firmly to [src].")
 		return
-	if(prob(src.deflect_chance) || istype(A, /mob))
+	if(prob(temp_deflect_chance) || istype(A, /mob))
 		src.occupant_message("<span class='notice'>\The [A] bounces off the armor.</span>")
 		src.visible_message("\The [A] bounces off \the [src] armor")
 		src.log_append_to_last("Armor saved.")
@@ -873,18 +1055,18 @@
 
 			var/pass_damage = O.throwforce
 			var/pass_damage_reduc_mod
-			if(pass_damage <= damage_minimum)//Too little to go through.
+			if(pass_damage <= temp_damage_minimum)//Too little to go through.
 				src.occupant_message("<span class='notice'>\The [A] bounces off the armor.</span>")
 				src.visible_message("\The [A] bounces off \the [src] armor")
 				return
 
-			else if(O.armor_penetration < minimum_penetration)	//If you don't have enough pen, you won't do full damage
+			else if(O.armor_penetration < temp_minimum_penetration)	//If you don't have enough pen, you won't do full damage
 				src.occupant_message("<span class='notice'>\The [A] struggles to bypass \the [src] armor.</span>")
 				src.visible_message("\The [A] struggles to bypass \the [src] armor")
-				pass_damage_reduc_mod = fail_penetration_value	//This will apply to reduce damage to 2/3 or 66% by default
+				pass_damage_reduc_mod = temp_fail_penetration_value	//This will apply to reduce damage to 2/3 or 66% by default
 			else
-				src.occupant_message("<span class='notice'>\The [A] manages to pierces \the [src] armor.</span>")
+				src.occupant_message("<span class='notice'>\The [A] manages to pierce \the [src] armor.</span>")
-				src.visible_message("\The [A] manages to pierces \the [src] armor")
+//				src.visible_message("\The [A] manages to pierce \the [src] armor")
 				pass_damage_reduc_mod = 1
 
 
@@ -911,7 +1093,26 @@
 	return
 
 /obj/mecha/proc/dynbulletdamage(var/obj/item/projectile/Proj)
-	if(prob(src.deflect_chance))
+	var/obj/item/mecha_parts/component/armor/ArmC = internal_components[MECH_ARMOR]
+
+	var/temp_deflect_chance = deflect_chance
+	var/temp_damage_minimum = damage_minimum
+	var/temp_minimum_penetration = minimum_penetration
+	var/temp_fail_penetration_value = fail_penetration_value
+
+	if(!ArmC)
+		temp_deflect_chance = 0
+		temp_damage_minimum = 0
+		temp_minimum_penetration = 0
+		temp_fail_penetration_value = 1
+
+	else
+		temp_deflect_chance = round(ArmC.get_efficiency() * ArmC.deflect_chance + (defence_mode ? 25 : 0))
+		temp_damage_minimum = round(ArmC.get_efficiency() * ArmC.damage_minimum)
+		temp_minimum_penetration = round(ArmC.get_efficiency() * ArmC.minimum_penetration)
+		temp_fail_penetration_value = round(ArmC.get_efficiency() * ArmC.fail_penetration_value)
+
+	if(prob(temp_deflect_chance))
 		src.occupant_message("<span class='notice'>The armor deflects incoming projectile.</span>")
 		src.visible_message("The [src.name] armor deflects the projectile")
 		src.log_append_to_last("Armor saved.")
@@ -930,19 +1131,19 @@
 		for(var/obj/item/mecha_parts/mecha_equipment/ME in equipment)
 			pass_damage = ME.handle_projectile_contact(Proj, pass_damage)
 
-		if(pass_damage < damage_minimum)//too pathetic to really damage you.
+		if(pass_damage < temp_damage_minimum)//too pathetic to really damage you.
 			src.occupant_message("<span class='notice'>The armor deflects incoming projectile.</span>")
 			src.visible_message("The [src.name] armor deflects\the [Proj]")
 			return
 
-		else if(Proj.armor_penetration < minimum_penetration)	//If you don't have enough pen, you won't do full damage
+		else if(Proj.armor_penetration < temp_minimum_penetration)	//If you don't have enough pen, you won't do full damage
 			src.occupant_message("<span class='notice'>\The [Proj] struggles to pierce \the [src] armor.</span>")
 			src.visible_message("\The [Proj] struggles to pierce \the [src] armor")
-			pass_damage_reduc_mod = fail_penetration_value	//This will apply to reduce damage to 2/3 or 66% by default
+			pass_damage_reduc_mod = temp_fail_penetration_value	//This will apply to reduce damage to 2/3 or 66% by default
 
 		else	//You go through completely because you use AP. Nice.
 			src.occupant_message("<span class='notice'>\The [Proj] manages to pierce \the [src] armor.</span>")
-			src.visible_message("\The [Proj] manages to pierce \the [src] armor")
+//			src.visible_message("\The [Proj] manages to pierce \the [src] armor")
 			pass_damage_reduc_mod = 1
 
 		pass_damage = (pass_damage_reduc_mod*pass_damage)//Apply damage reduction before usage.
@@ -961,7 +1162,7 @@
 					Proj.attack_mob(src.occupant, distance)
 					hit_occupant = 0
 				else
-					if(pass_damage > internal_damage_minimum)	//Only decently painful attacks trigger a chance of mech damage.					
+					if(pass_damage > internal_damage_minimum)	//Only decently painful attacks trigger a chance of mech damage.
 						src.check_for_internal_damage(list(MECHA_INT_FIRE,MECHA_INT_TEMP_CONTROL,MECHA_INT_TANK_BREACH,MECHA_INT_CONTROL_LOST,MECHA_INT_SHORT_CIRCUIT), 1)
 
 				Proj.penetrating--
@@ -974,24 +1175,34 @@
 
 //This refer to whenever you are caught in an explosion.
 /obj/mecha/ex_act(severity)
+	var/obj/item/mecha_parts/component/armor/ArmC = internal_components[MECH_ARMOR]
+
+	var/temp_deflect_chance = deflect_chance
+
+	if(!ArmC)
+		temp_deflect_chance = 0
+
+	else
+		temp_deflect_chance = round(ArmC.get_efficiency() * ArmC.deflect_chance + (defence_mode ? 25 : 0))
+
 	src.log_message("Affected by explosion of severity: [severity].",1)
-	if(prob(src.deflect_chance))
+	if(prob(temp_deflect_chance))
 		severity++
 		src.log_append_to_last("Armor saved, changing severity to [severity].")
 	switch(severity)
 		if(1.0)
-			qdel(src)
+			src.take_damage(initial(src.health), "bomb")
 		if(2.0)
 			if (prob(30))
-				qdel(src)
+				src.take_damage(initial(src.health), "bomb")
 			else
-				src.take_damage(initial(src.health)/2)	//The take_damage() proc handles armor values
+				src.take_damage(initial(src.health)/2, "bomb")
 				src.check_for_internal_damage(list(MECHA_INT_FIRE,MECHA_INT_TEMP_CONTROL,MECHA_INT_TANK_BREACH,MECHA_INT_CONTROL_LOST,MECHA_INT_SHORT_CIRCUIT),1)
 		if(3.0)
 			if (prob(5))
 				qdel(src)
 			else
-				src.take_damage(initial(src.health)/5)	//The take_damage() proc handles armor values
+				src.take_damage(initial(src.health)/5, "bomb")
 				src.check_for_internal_damage(list(MECHA_INT_FIRE,MECHA_INT_TEMP_CONTROL,MECHA_INT_TANK_BREACH,MECHA_INT_CONTROL_LOST,MECHA_INT_SHORT_CIRCUIT),1)
 	return
 
@@ -1038,20 +1249,39 @@
 	src.log_message("Attacked by [W]. Attacker - [user]")
 	var/pass_damage_reduc_mod			//Modifer for failing to bring AP.
 
-	if(prob(src.deflect_chance))		//Does your attack get deflected outright.
+	var/obj/item/mecha_parts/component/armor/ArmC = internal_components[MECH_ARMOR]
+
+	var/temp_deflect_chance = deflect_chance
+	var/temp_damage_minimum = damage_minimum
+	var/temp_minimum_penetration = minimum_penetration
+	var/temp_fail_penetration_value = fail_penetration_value
+
+	if(!ArmC)
+		temp_deflect_chance = 0
+		temp_damage_minimum = 0
+		temp_minimum_penetration = 0
+		temp_fail_penetration_value = 1
+
+	else
+		temp_deflect_chance = round(ArmC.get_efficiency() * ArmC.deflect_chance + (defence_mode ? 25 : 0))
+		temp_damage_minimum = round(ArmC.get_efficiency() * ArmC.damage_minimum)
+		temp_minimum_penetration = round(ArmC.get_efficiency() * ArmC.minimum_penetration)
+		temp_fail_penetration_value = round(ArmC.get_efficiency() * ArmC.fail_penetration_value)
+
+	if(prob(temp_deflect_chance))		//Does your attack get deflected outright.
 		src.occupant_message("<span class='notice'>\The [W] bounces off [src.name].</span>")
 		to_chat(user, "<span class='danger'>\The [W] bounces off [src.name].</span>")
 		src.log_append_to_last("Armor saved.")
 
-	else if(W.force < damage_minimum)	//Is your attack too PATHETIC to do anything. 3 damage to a person shouldn't do anything to a mech.
+	else if(W.force < temp_damage_minimum)	//Is your attack too PATHETIC to do anything. 3 damage to a person shouldn't do anything to a mech.
 		src.occupant_message("<span class='notice'>\The [W] bounces off the armor.</span>")
 		src.visible_message("\The [W] bounces off \the [src] armor")
 		return
 
-	else if(W.armor_penetration < minimum_penetration)	//If you don't have enough pen, you won't do full damage
+	else if(W.armor_penetration < temp_minimum_penetration)	//If you don't have enough pen, you won't do full damage
 		src.occupant_message("<span class='notice'>\The [W] struggles to bypass \the [src] armor.</span>")
 		src.visible_message("\The [W] struggles to bypass \the [src] armor")
-		pass_damage_reduc_mod = fail_penetration_value	//This will apply to reduce damage to 2/3 or 66% by default
+		pass_damage_reduc_mod = temp_fail_penetration_value	//This will apply to reduce damage to 2/3 or 66% by default
 
 	else
 		pass_damage_reduc_mod = 1		//Just making sure.
@@ -1080,6 +1310,11 @@
 			to_chat(user, "[src]-MMI interface initialization failed.")
 		return
 
+	if(istype(W, /obj/item/device/robotanalyzer))
+		var/obj/item/device/robotanalyzer/RA = W
+		RA.do_scan(src, user)
+		return
+
 	if(istype(W, /obj/item/mecha_parts/mecha_equipment))
 		var/obj/item/mecha_parts/mecha_equipment/E = W
 		spawn()
@@ -1090,6 +1325,20 @@
 			else
 				to_chat(user, "You were unable to attach [W] to [src]")
 		return
+
+	if(istype(W, /obj/item/mecha_parts/component) && state == MECHA_CELL_OUT)
+		var/obj/item/mecha_parts/component/MC = W
+		spawn()
+			if(MC.attach(src))
+				user.drop_item()
+				MC.forceMove(src)
+				user.visible_message("[user] installs \the [W] in \the [src]", "You install \the [W] in \the [src].")
+		return
+
+	if(istype(W, /obj/item/weapon/card/robot))
+		var/obj/item/weapon/card/robot/RoC = W
+		return attackby(RoC.dummy_card, user)
+
 	if(istype(W, /obj/item/weapon/card/id)||istype(W, /obj/item/device/pda))
 		if(add_req_access || maint_access)
 			if(internals_access_allowed(usr))
@@ -1106,23 +1355,39 @@
 		else
 			to_chat(user, "<span class='warning'>Maintenance protocols disabled by operator.</span>")
 	else if(W.is_wrench())
-		if(state==1)
+		if(state==MECHA_BOLTS_SECURED)
-			state = 2
+			state = MECHA_PANEL_LOOSE
 			to_chat(user, "You undo the securing bolts.")
-		else if(state==2)
+		else if(state==MECHA_PANEL_LOOSE)
-			state = 1
+			state = MECHA_BOLTS_SECURED
 			to_chat(user, "You tighten the securing bolts.")
 		return
 	else if(W.is_crowbar())
-		if(state==2)
+		if(state==MECHA_PANEL_LOOSE)
-			state = 3
+			state = MECHA_CELL_OPEN
 			to_chat(user, "You open the hatch to the power unit")
-		else if(state==3)
+		else if(state==MECHA_CELL_OPEN)
-			state=2
+			state=MECHA_PANEL_LOOSE
 			to_chat(user, "You close the hatch to the power unit")
+		else if(state==MECHA_CELL_OUT)
+			var/list/removable_components = list()
+			for(var/slot in internal_components)
+				var/obj/item/mecha_parts/component/MC = internal_components[slot]
+				if(istype(MC))
+					removable_components[MC.name] = MC
+				else
+					to_chat(user, "<span class='notice'>\The [src] appears to be missing \the [slot].</span>")
+
+			var/remove = input(user, "Which component do you want to pry out?", "Remove Component") as null|anything in removable_components
+			if(!remove)
+				return
+
+			var/obj/item/mecha_parts/component/RmC = removable_components[remove]
+			RmC.detach()
+
 		return
 	else if(istype(W, /obj/item/stack/cable_coil))
-		if(state == 3 && hasInternalDamage(MECHA_INT_SHORT_CIRCUIT))
+		if(state >= MECHA_CELL_OPEN && hasInternalDamage(MECHA_INT_SHORT_CIRCUIT))
 			var/obj/item/stack/cable_coil/CC = W
 			if(CC.use(2))
 				clearInternalDamage(MECHA_INT_SHORT_CIRCUIT)
@@ -1134,19 +1399,19 @@
 		if(hasInternalDamage(MECHA_INT_TEMP_CONTROL))
 			clearInternalDamage(MECHA_INT_TEMP_CONTROL)
 			to_chat(user, "You repair the damaged temperature controller.")
-		else if(state==3 && src.cell)
+		else if(state==MECHA_CELL_OPEN && src.cell)
 			src.cell.forceMove(src.loc)
 			src.cell = null
-			state = 4
+			state = MECHA_CELL_OUT
 			to_chat(user, "You unscrew and pry out the powercell.")
 			src.log_message("Powercell removed")
-		else if(state==4 && src.cell)
+		else if(state==MECHA_CELL_OUT && src.cell)
-			state=3
+			state=MECHA_CELL_OPEN
 			to_chat(user, "You screw the cell in place")
 		return
 
 	else if(istype(W, /obj/item/device/multitool))
-		if(state>=3 && src.occupant)
+		if(state>=MECHA_CELL_OPEN && src.occupant)
 			to_chat(user, "You attempt to eject the pilot using the maintenance controls.")
 			if(src.occupant.stat)
 				src.go_out()
@@ -1158,7 +1423,7 @@
 		return
 
 	else if(istype(W, /obj/item/weapon/cell))
-		if(state==4)
+		if(state==MECHA_CELL_OUT)
 			if(!src.cell)
 				to_chat(user, "You install the powercell")
 				user.drop_item()
@@ -1191,6 +1456,28 @@
 		user.visible_message("[user] attaches [W] to [src].", "You attach [W] to [src]")
 		return
 
+	else if(istype(W,/obj/item/stack/nanopaste))
+		if(state >= MECHA_PANEL_LOOSE)
+			var/obj/item/stack/nanopaste/NP = W
+
+			for(var/slot in internal_components)
+				var/obj/item/mecha_parts/component/C = internal_components[slot]
+
+				if(C)
+
+					if(C.integrity < C.max_integrity)
+						while(C.integrity < C.max_integrity && NP && do_after(user, 1 SECOND, src))
+							if(NP.use(1))
+								C.adjust_integrity(10)
+
+						to_chat(user, "<span class='notice'>You repair damage to \the [C].</span>")
+
+			return
+
+		else
+			to_chat(user, "<span class='notice'>You can't reach \the [src]'s internal components.</span>")
+			return
+
 	else
 		call((proc_res["dynattackby"]||src), "dynattackby")(W,user)
 /*
@@ -1299,7 +1586,8 @@
 	return
 
 /obj/mecha/remove_air(amount)
-	if(use_internal_tank)
+	var/obj/item/mecha_parts/component/gas/GC = internal_components[MECH_GAS]
+	if(use_internal_tank && (GC && prob(GC.get_efficiency() * 100)))
 		return cabin_air.remove(amount)
 	else
 		var/turf/T = get_turf(src)
@@ -1314,7 +1602,8 @@
 
 /obj/mecha/proc/return_pressure()
 	. = 0
-	if(use_internal_tank)
+	var/obj/item/mecha_parts/component/gas/GC = internal_components[MECH_GAS]
+	if(use_internal_tank && (GC && prob(GC.get_efficiency() * 100)))
 		. =  cabin_air.return_pressure()
 	else
 		var/datum/gas_mixture/t_air = get_turf_air()
@@ -1325,7 +1614,8 @@
 //skytodo: //No idea what you want me to do here, mate.
 /obj/mecha/proc/return_temperature()
 	. = 0
-	if(use_internal_tank)
+	var/obj/item/mecha_parts/component/gas/GC = internal_components[MECH_GAS]
+	if(use_internal_tank && (GC && prob(GC.get_efficiency() * 100)))
 		. = cabin_air.temperature
 	else
 		var/datum/gas_mixture/t_air = get_turf_air()
@@ -1380,13 +1670,17 @@
 	set category = "Exosuit Interface"
 	set src = usr.loc
 	set popup_menu = 0
-	
+
 	if(!occupant)
 		return
-	
+
 	if(usr != occupant)
 		return
-	
+
+	var/obj/item/mecha_parts/component/gas/GC = internal_components[MECH_GAS]
+	if(!GC)
+		return
+
 	for(var/turf/T in locs)
 		var/obj/machinery/atmospherics/portables_connector/possible_port = locate(/obj/machinery/atmospherics/portables_connector) in T
 		if(possible_port)
@@ -1407,13 +1701,13 @@
 	set category = "Exosuit Interface"
 	set src = usr.loc
 	set popup_menu = 0
-	
+
 	if(!occupant)
 		return
-	
+
 	if(usr != occupant)
 		return
-	
+
 	if(disconnect())
 		occupant_message("<span class='notice'>[name] disconnects from the port.</span>")
 		verbs -= /obj/mecha/verb/disconnect_from_port
@@ -1449,6 +1743,16 @@
 /obj/mecha/proc/internal_tank()
 	if(usr!=src.occupant)
 		return
+
+	var/obj/item/mecha_parts/component/gas/GC = internal_components[MECH_GAS]
+	if(!GC)
+		to_chat(occupant, "<span class='warning'>The life support systems don't seem to respond.</span>")
+		return
+
+	if(!prob(GC.get_efficiency() * 100))
+		to_chat(occupant, "<span class='warning'>\The [GC] shudders and barks, before returning to how it was before.</span>")
+		return
+
 	use_internal_tank = !use_internal_tank
 	src.occupant_message("Now taking air from [use_internal_tank?"internal airtank":"environment"].")
 	src.log_message("Now taking air from [use_internal_tank?"internal airtank":"environment"].")
@@ -1579,6 +1883,8 @@
 			verbs -= /obj/mecha/verb/toggle_phasing
 		if(!switch_dmg_type_possible)
 			verbs -= /obj/mecha/verb/switch_damtype
+		if(!cloak_possible)
+			verbs -= /obj/mecha/verb/toggle_cloak
 
 		occupant.in_enclosed_vehicle = 1	//Useful for when you need to know if someone is in a mecho.
 		update_cell_alerts()
@@ -1697,8 +2003,13 @@
 
 
 /obj/mecha/proc/internals_access_allowed(mob/living/carbon/human/H)
-	for(var/atom/ID in list(H.get_active_hand(), H.wear_id, H.belt))
+	if(istype(H))
-		if(src.check_access(ID,src.internals_req_access))
+		for(var/atom/ID in list(H.get_active_hand(), H.wear_id, H.belt))
+			if(src.check_access(ID,src.internals_req_access))
+				return 1
+	else if(istype(H, /mob/living/silicon/robot))
+		var/mob/living/silicon/robot/R = H
+		if(src.check_access(R.idcard,src.internals_req_access))
 			return 1
 	return 0
 
@@ -1799,9 +2110,15 @@
 	var/tank_pressure = internal_tank ? round(internal_tank.return_pressure(),0.01) : "None"
 	var/tank_temperature = internal_tank ? internal_tank.return_temperature() : "Unknown"
 	var/cabin_pressure = round(return_pressure(),0.01)
+
+	var/obj/item/mecha_parts/component/hull/HC = internal_components[MECH_HULL]
+	var/obj/item/mecha_parts/component/armor/AC = internal_components[MECH_ARMOR]
+
 	var/output = {"[report_internal_damage()]
+						<b>Armor Integrity: </b>[AC?"[round(AC.integrity / AC.max_integrity * 100, 0.1)]%":"<span class='warning'>ARMOR MISSING</span>"]<br>
+						<b>Hull Integrity: </b>[HC?"[round(HC.integrity / HC.max_integrity * 100, 0.1)]%":"<span class='warning'>HULL MISSING</span>"]<br>
 						[integrity<30?"<font color='red'><b>DAMAGE LEVEL CRITICAL</b></font><br>":null]
-						<b>Integrity: </b> [integrity]%<br>
+						<b>Chassis Integrity: </b> [integrity]%<br>
 						<b>Powercell charge: </b>[isnull(cell_charge)?"No powercell installed":"[cell.percent()]%"]<br>
 						<b>Air source: </b>[use_internal_tank?"Internal Airtank":"Environment"]<br>
 						<b>Airtank pressure: </b>[tank_pressure]kPa<br>
@@ -1888,6 +2205,7 @@
 			output += "Universal Module: [W.name] <a href='?src=\ref[W];detach=1'>Detach</a><br>"
 		for(var/obj/item/mecha_parts/mecha_equipment/W in special_equipment)
 			output += "Special Module: [W.name] <a href='?src=\ref[W];detach=1'>Detach</a><br>"
+<<<<<<< HEAD
 		for(var/obj/item/mecha_parts/mecha_equipment/W in micro_utility_equipment) // VOREstation Edit -  Adds micro equipent to the menu
 			output += "Micro Utility Module: [W.name] <a href='?src=\ref[W];detach=1'>Detach</a><br>"
 		for(var/obj/item/mecha_parts/mecha_equipment/W in micro_weapon_equipment)
@@ -1901,6 +2219,15 @@
 		 <b>Available special slots:</b> [max_special_equip-special_equipment.len]<br>
 		 </div></div>
 		 "}
+=======
+	output += {"<b>Available hull slots:</b> [max_hull_equip-hull_equipment.len]<br>
+	 <b>Available weapon slots:</b> [max_weapon_equip-weapon_equipment.len]<br>
+	 <b>Available utility slots:</b> [max_utility_equip-utility_equipment.len]<br>
+	 <b>Available universal slots:</b> [max_universal_equip-universal_equipment.len]<br>
+	 <b>Available special slots:</b> [max_special_equip-special_equipment.len]<br>
+	 </div></div>
+	 "}
+>>>>>>> 282b42d... Exosuit Modular Internals, The Squeakening (#7329)
 	return output
 
 /obj/mecha/proc/get_equipment_list() //outputs mecha equipment list in html
@@ -2109,15 +2436,15 @@
 		if(!in_range(src, usr))	return
 		var/mob/user = top_filter.getMob("user")
 		if(user)
-			if(state==0)
+			if(state==MECHA_OPERATING)
-				state = 1
+				state = MECHA_BOLTS_SECURED
 				to_chat(user, "The securing bolts are now exposed.")
-			else if(state==1)
+			else if(state==MECHA_BOLTS_SECURED)
-				state = 0
+				state = MECHA_OPERATING
 				to_chat(user, "The securing bolts are now hidden.")
 			output_maintenance_dialog(top_filter.getObj("id_card"),user)
 		return
-	if(href_list["set_internal_tank_valve"] && state >=1)
+	if(href_list["set_internal_tank_valve"] && state >=MECHA_BOLTS_SECURED)
 		if(!in_range(src, usr))	return
 		var/mob/user = top_filter.getMob("user")
 		if(user)
@@ -2125,7 +2452,7 @@
 			if(new_pressure)
 				internal_tank_valve = new_pressure
 				to_chat(user, "The internal pressure valve has been set to [internal_tank_valve]kPa.")
-	if(href_list["remove_passenger"] && state >= 1)
+	if(href_list["remove_passenger"] && state >= MECHA_BOLTS_SECURED)
 		var/mob/user = top_filter.getMob("user")
 		var/list/passengers = list()
 		for (var/obj/item/mecha_parts/mecha_equipment/tool/passenger/P in contents)
@@ -2284,6 +2611,13 @@
 
 /obj/mecha/proc/dynusepower(amount)
 	update_cell_alerts()
+	var/obj/item/mecha_parts/component/electrical/EC = internal_components[MECH_ELECTRIC]
+
+	if(EC)
+		amount = amount * (2 - EC.get_efficiency()) * EC.charge_cost_mod
+	else
+		amount *= 5
+
 	if(get_charge())
 		cell.use(amount)
 		return 1
@@ -2291,6 +2625,13 @@
 
 /obj/mecha/proc/give_power(amount)
 	update_cell_alerts()
+	var/obj/item/mecha_parts/component/electrical/EC = internal_components[MECH_ELECTRIC]
+
+	if(!EC)
+		amount /= 4
+	else
+		amount *= EC.get_efficiency()
+
 	if(!isnull(get_charge()))
 		cell.give(amount)
 		return 1
@@ -2306,6 +2647,19 @@
 //This is for mobs mostly.
 /obj/mecha/attack_generic(var/mob/user, var/damage, var/attack_message)
 
+	var/obj/item/mecha_parts/component/armor/ArmC = internal_components[MECH_ARMOR]
+
+	var/temp_deflect_chance = deflect_chance
+	var/temp_damage_minimum = damage_minimum
+
+	if(!ArmC)
+		temp_deflect_chance = 1
+		temp_damage_minimum = 0
+
+	else
+		temp_deflect_chance = round(ArmC.get_efficiency() * ArmC.deflect_chance + (defence_mode ? 25 : 0))
+		temp_damage_minimum = round(ArmC.get_efficiency() * ArmC.damage_minimum)
+
 	user.setClickCooldown(user.get_attack_speed())
 	if(!damage)
 		return 0
@@ -2313,14 +2667,14 @@
 	src.log_message("Attacked. Attacker - [user].",1)
 	user.do_attack_animation(src)
 
-	if(prob(src.deflect_chance))//Deflected
+	if(prob(temp_deflect_chance))//Deflected
 		src.log_append_to_last("Armor saved.")
 		src.occupant_message("<span class='notice'>\The [user]'s attack is stopped by the armor.</span>")
 		visible_message("<span class='notice'>\The [user] rebounds off [src.name]'s armor!</span>")
 		user.attack_log += text("\[[time_stamp()]\] <font color='red'>attacked [src.name]</font>")
 		playsound(src, 'sound/weapons/slash.ogg', 50, 1, -1)
 
-	else if(damage < damage_minimum)//Pathetic damage levels just don't harm MECH.
+	else if(damage < temp_damage_minimum)//Pathetic damage levels just don't harm MECH.
 		src.occupant_message("<span class='notice'>\The [user]'s doesn't dent \the [src] paint.</span>")
 		src.visible_message("\The [user]'s attack doesn't dent \the [src] armor")
 		src.log_append_to_last("Armor saved.")

code/game/mecha/mecha_actions.dm

@@ -3,7 +3,7 @@
 //THIS FILE CONTAINS THE CODE TO ADD THE HUD BUTTONS AND THE MECH ACTIONS THEMSELVES.
 //
 //
-// I better get some free food for this..	
+// I better get some free food for this..
 
 
 
@@ -35,7 +35,9 @@
 		phasing_action.Grant(user, src)
 	if(switch_dmg_type_possible)
 		switch_damtype_action.Grant(user, src)
-	
+	if(cloak_possible)
+		cloak_action.Grant(user, src)
+
 /obj/mecha/proc/RemoveActions(mob/living/user, human_occupant = 0)
 	if(human_occupant)
 		eject_action.Remove(user, src)
@@ -51,8 +53,8 @@
 	thrusters_action.Remove(user, src)
 	phasing_action.Remove(user, src)
 	switch_damtype_action.Remove(user, src)
-	overload_action.Remove(user, src) 
+	overload_action.Remove(user, src)
-
+	cloak_action.Remove(user, src)
 
 
 //
@@ -242,6 +244,15 @@
 
 
 
+/datum/action/innate/mecha/mech_toggle_cloaking
+	name = "Toggle Mech phasing"
+	button_icon_state = "mech_phasing_off"
+
+/datum/action/innate/mecha/mech_toggle_cloaking/Activate()
+	button_icon_state = "mech_phasing_[chassis.cloaked ? "off" : "on"]"
+	button.UpdateIcon()
+	chassis.toggle_cloaking()
+
 
 
 /////
@@ -293,12 +304,10 @@
 		return
 	if(overload)
 		overload = 0
-		step_in = initial(step_in)
 		step_energy_drain = initial(step_energy_drain)
 		src.occupant_message("<font color='blue'>You disable leg actuators overload.</font>")
 	else
 		overload = 1
-		step_in = min(1, round(step_in/2))
 		step_energy_drain = step_energy_drain*overload_coeff
 		src.occupant_message("<font color='red'>You enable leg actuators overload.</font>")
 	src.log_message("Toggled leg actuators overload.")
@@ -324,7 +333,7 @@
 	if(smoke_ready)
 		smoke_reserve--	//Remove ammo
 		src.occupant_message("<font color='red'>Smoke fired. [smoke_reserve] usages left.</font>")
-		
+
 		var/datum/effect/effect/system/smoke_spread/smoke = new /datum/effect/effect/system/smoke_spread()
 		smoke.attach(src)
 		smoke.set_up(10, 0, usr.loc)
@@ -422,6 +431,25 @@
 	return
 
 
+/obj/mecha/verb/toggle_cloak()
+	set category = "Exosuit Interface"
+	set name = "Toggle cloaking"
+	set src = usr.loc
+	set popup_menu = 0
+	toggle_cloaking()
+
+/obj/mecha/proc/toggle_cloaking()
+	if(usr!=src.occupant)
+		return
+
+	if(cloaked)
+		uncloak()
+	else
+		cloak()
+
+	src.occupant_message("<font color=\"[cloaked?"#00f\">En":"#f00\">Dis"]abled cloaking.</font>")
+	return
+
 /obj/mecha/verb/toggle_weapons_only_cycle()
 	set category = "Exosuit Interface"
 	set name = "Toggle weapons only cycling"
@@ -435,4 +463,3 @@
 	weapons_only_cycle = !weapons_only_cycle
 	src.occupant_message("<font color=\"[weapons_only_cycle?"#00f\">En":"#f00\">Dis"]abled weapons only cycling.</font>")
 	return
-

code/game/mecha/medical/medical.dm

@@ -9,6 +9,14 @@
 
 	cargo_capacity = 1
 
+	starting_components = list(
+		/obj/item/mecha_parts/component/hull,
+		/obj/item/mecha_parts/component/actuator,
+		/obj/item/mecha_parts/component/armor/lightweight,
+		/obj/item/mecha_parts/component/gas,
+		/obj/item/mecha_parts/component/electrical
+		)
+
 /obj/mecha/medical/Initialize()
 	. = ..()
 	var/turf/T = get_turf(src)

code/game/mecha/medical/odysseus.dm

@@ -1,4 +1,4 @@
-/obj/mecha/medical/odysseus/
+/obj/mecha/medical/odysseus
 	desc = "These exosuits are developed and produced by Vey-Med. (© All rights reserved)."
 	name = "Odysseus"
 	catalogue_data = list(
@@ -9,8 +9,8 @@
 	initial_icon = "odysseus"
 	step_in = 2
 	max_temperature = 15000
-	health = 120
+	health = 70
-	maxhealth = 120
+	maxhealth = 70
 	wreckage = /obj/effect/decal/mecha_wreckage/odysseus
 	internal_damage_threshold = 35
 	deflect_chance = 15
@@ -139,5 +139,5 @@
 /obj/mecha/medical/odysseus/old/New()
 	..()
 	health = 25
-	maxhealth = 100	//Just slightly worse.
+	maxhealth = 50	//Just slightly worse.
 	cell.charge = rand(0, (cell.charge/2))

code/game/mecha/working/ripley.dm

@@ -14,6 +14,14 @@
 
 	minimum_penetration = 10
 
+	starting_components = list(
+		/obj/item/mecha_parts/component/hull/durable,
+		/obj/item/mecha_parts/component/actuator,
+		/obj/item/mecha_parts/component/armor/mining,
+		/obj/item/mecha_parts/component/gas,
+		/obj/item/mecha_parts/component/electrical
+		)
+
 /obj/mecha/working/ripley/Destroy()
 	for(var/atom/movable/A in src.cargo)
 		A.loc = loc

code/game/objects/items/weapons/storage/boxes.dm

@@ -199,6 +199,16 @@
 /obj/item/weapon/storage/box/empshells/large
 	starts_with = list(/obj/item/ammo_casing/a12g/emp = 16)
 
+/obj/item/weapon/storage/box/flechetteshells
+	name = "box of shotgun flechettes"
+	desc = "It has a picture of a gun and several warning symbols on the front.<br>WARNING: Live ammunition. Misuse may result in serious injury or death."
+	icon_state = "lethalslug_box"
+	item_state_slots = list(slot_r_hand_str = "syringe_kit", slot_l_hand_str = "syringe_kit")
+	starts_with = list(/obj/item/ammo_casing/a12g/flechette = 8)
+
+/obj/item/weapon/storage/box/flechetteshells/large
+	starts_with = list(/obj/item/ammo_casing/a12g/flechette = 16)
+
 /obj/item/weapon/storage/box/sniperammo
 	name = "box of 14.5mm shells"
 	desc = "It has a picture of a gun and several warning symbols on the front.<br>WARNING: Live ammunition. Misuse may result in serious injury or death."

code/modules/mob/living/silicon/robot/analyzer.dm

@@ -34,6 +34,8 @@
 		scan_type = "robot"
 	else if(istype(M, /mob/living/carbon/human))
 		scan_type = "prosthetics"
+	else if(istype(M, /obj/mecha))
+		scan_type = "mecha"
 	else
 		to_chat(user, "<font color='red'>You can't analyze non-robotic things!</font>")
 		return
@@ -95,5 +97,37 @@
 			if(!organ_found)
 				to_chat(user, "No prosthetics located.")
 
+		if("mecha")
+
+			var/obj/mecha/Mecha = M
+
+			var/integrity = Mecha.health/initial(Mecha.health)*100
+			var/cell_charge = Mecha.get_charge()
+			var/tank_pressure = Mecha.internal_tank ? round(Mecha.internal_tank.return_pressure(),0.01) : "None"
+			var/tank_temperature = Mecha.internal_tank ? Mecha.internal_tank.return_temperature() : "Unknown"
+			var/cabin_pressure = round(Mecha.return_pressure(),0.01)
+
+			var/output = {"<span class='notice'>Analyzing Results for \the [Mecha]:</span><br>
+				<b>Chassis Integrity: </b> [integrity]%<br>
+				<b>Powercell charge: </b>[isnull(cell_charge)?"No powercell installed":"[Mecha.cell.percent()]%"]<br>
+				<b>Air source: </b>[Mecha.use_internal_tank?"Internal Airtank":"Environment"]<br>
+				<b>Airtank pressure: </b>[tank_pressure]kPa<br>
+				<b>Airtank temperature: </b>[tank_temperature]K|[tank_temperature - T0C]&deg;C<br>
+				<b>Cabin pressure: </b>[cabin_pressure>WARNING_HIGH_PRESSURE ? "<font color='red'>[cabin_pressure]</font>": cabin_pressure]kPa<br>
+				<b>Cabin temperature: </b> [Mecha.return_temperature()]K|[Mecha.return_temperature() - T0C]&deg;C<br>
+				<b>DNA Lock: </b> [Mecha.dna?"Mecha.dna":"Not Found"]<br>
+				"}
+
+			to_chat(user, output)
+			to_chat(user, "<hr>")
+			to_chat(user, "<span class='notice'>Internal Diagnostics:</span>")
+			for(var/slot in Mecha.internal_components)
+				var/obj/item/mecha_parts/component/MC = Mecha.internal_components[slot]
+				to_chat(user, "[MC?"[slot]: [MC] <span class='notice'>[round((MC.integrity / MC.max_integrity) * 100, 0.1)]%</span> integrity. [MC.get_efficiency() * 100] Operational capacity.":"<span class='warning'>[slot]: Component Not Found</span>"]")
+
+			to_chat(user, "<hr>")
+			to_chat(user, "<span class='notice'>General Statistics:</span>")
+			to_chat(user, "<span class='notice'>Movement Weight: [Mecha.get_step_delay()]</span><br>")
+
 	src.add_fingerprint(user)
 	return

code/modules/projectiles/ammunition/magazines.dm

@@ -88,6 +88,10 @@
 	name = "magazine (.45 AP)"
 	ammo_type = /obj/item/ammo_casing/a45/ap
 
+/obj/item/ammo_magazine/m45/hp
+	name = "magazine (.45 HP)"
+	ammo_type = /obj/item/ammo_casing/a45/hp
+
 /obj/item/ammo_magazine/box/emp/b45
 	name = "ammunition box (.45 haywire)"
 	ammo_type = /obj/item/ammo_casing/a45/emp
@@ -293,6 +297,11 @@
 	name = "top mounted magazine (9mm practice)"
 	ammo_type = /obj/item/ammo_casing/a9mm/practice
 
+/obj/item/ammo_magazine/m9mmt/ap
+	name = "top mounted magazine (9mm armor piercing)"
+	ammo_type = /obj/item/ammo_casing/a9mm/ap
+	matter = list(DEFAULT_WALL_MATERIAL = 1000, MAT_PLASTEEL = 2000)
+
 /obj/item/ammo_magazine/m9mmp90
 	name = "large capacity top mounted magazine (9mm armor-piercing)"
 	icon_state = "p90"

code/modules/projectiles/ammunition/rounds.dm

@@ -131,6 +131,7 @@
 	desc = "A .45 Armor-Piercing bullet casing."
 	icon_state = "r-casing"
 	projectile_type = /obj/item/projectile/bullet/pistol/medium/ap
+	matter = list(DEFAULT_WALL_MATERIAL = 50, MAT_PLASTEEL = 25)
 
 /obj/item/ammo_casing/a45/practice
 	desc = "A .45 practice bullet casing."
@@ -160,6 +161,7 @@
 /obj/item/ammo_casing/a45/hp
 	desc = "A .45 hollow-point bullet casing."
 	projectile_type = /obj/item/projectile/bullet/pistol/medium/hp
+	matter = list(DEFAULT_WALL_MATERIAL = 60, MAT_PLASTIC = 15)
 
 /*
  * 10mm
@@ -246,6 +248,14 @@
 //	projectile_type = /obj/item/projectile/bullet/shotgun/ion
 	matter = list(DEFAULT_WALL_MATERIAL = 360, "uranium" = 240)
 
+/obj/item/ammo_casing/a12g/flechette
+	name = "shotgun flechette"
+	desc = "A 12 gauge flechette cartidge, also known as nailshot."
+	icon_state = "slshell"
+	caliber = "12g"
+	projectile_type = /obj/item/projectile/scatter/flechette
+	matter = list(DEFAULT_WALL_MATERIAL = 360, MAT_PLASTEEL = 100)
+
 /*
  * 7.62mm
  */

code/modules/projectiles/projectile/scatter.dm

@@ -27,6 +27,10 @@
 		/obj/item/projectile/bullet/pellet/shotgun/flak = 3
 		)
 
+/*
+ * Energy
+ */
+
 /obj/item/projectile/scatter/laser
 	damage = 40
 
@@ -61,6 +65,12 @@
 		/obj/item/projectile/bullet/shotgun/ion = 3
 		)
 
+
+/*
+ * Flame
+ */
+
+
 /obj/item/projectile/scatter/flamethrower
 	damage = 5
 	submunition_spread_max = 100
@@ -70,3 +80,19 @@
 	submunitions = list(
 		/obj/item/projectile/bullet/incendiary/flamethrower/tiny = 7
 		)
+
+
+/*
+ * Ballistic
+ */
+
+
+/obj/item/projectile/scatter/flechette
+	damage = 60
+
+	submunition_spread_max = 40
+	submunition_spread_min = 10
+
+	submunitions = list(
+		/obj/item/projectile/bullet/magnetic/flechette/small = 4
+		)

code/modules/research/circuitprinter.dm

@@ -16,7 +16,7 @@ using metal and glass, it uses glass and reagents (usually sulphuric acid).
 	var/mat_efficiency = 1
 	var/speed = 1
 
-	materials = list(DEFAULT_WALL_MATERIAL = 0, "glass" = 0, MAT_PLASTEEL = 0, "plastic" = 0, MAT_GRAPHITE, "gold" = 0, "silver" = 0, "osmium" = 0, MAT_LEAD = 0, "phoron" = 0, "uranium" = 0, "diamond" = 0, MAT_DURASTEEL = 0, MAT_VERDANTIUM = 0, MAT_MORPHIUM = 0, MAT_METALHYDROGEN = 0, MAT_SUPERMATTER = 0)
+	materials = list(DEFAULT_WALL_MATERIAL = 0, "glass" = 0, MAT_PLASTEEL = 0, "plastic" = 0, MAT_GRAPHITE = 0, "gold" = 0, "silver" = 0, "osmium" = 0, MAT_LEAD = 0, "phoron" = 0, "uranium" = 0, "diamond" = 0, MAT_DURASTEEL = 0, MAT_VERDANTIUM = 0, MAT_MORPHIUM = 0, MAT_METALHYDROGEN = 0, MAT_SUPERMATTER = 0)
 
 	hidden_materials = list(MAT_PLASTEEL, MAT_DURASTEEL, MAT_GRAPHITE, MAT_VERDANTIUM, MAT_MORPHIUM, MAT_METALHYDROGEN, MAT_SUPERMATTER)
 

code/modules/research/designs/circuits/circuits.dm

@@ -493,6 +493,8 @@ CIRCUITS BELOW
 	name = "'Durand' central control"
 	id = "durand_main"
 	req_tech = list(TECH_DATA = 4)
+	materials = list("glass" = 2000, MAT_GRAPHITE = 1250)
+	chemicals = list("pacid" = 20)
 	build_path = /obj/item/weapon/circuitboard/mecha/durand/main
 	sort_string = "NAADA"
 
@@ -500,6 +502,8 @@ CIRCUITS BELOW
 	name = "'Durand' peripherals control"
 	id = "durand_peri"
 	req_tech = list(TECH_DATA = 4)
+	materials = list("glass" = 2000, MAT_GRAPHITE = 1250)
+	chemicals = list("pacid" = 20)
 	build_path = /obj/item/weapon/circuitboard/mecha/durand/peripherals
 	sort_string = "NAADB"
 
@@ -507,6 +511,8 @@ CIRCUITS BELOW
 	name = "'Durand' weapon control and targeting"
 	id = "durand_targ"
 	req_tech = list(TECH_DATA = 4, TECH_COMBAT = 2)
+	materials = list("glass" = 2000, MAT_GRAPHITE = 1250)
+	chemicals = list("pacid" = 20)
 	build_path = /obj/item/weapon/circuitboard/mecha/durand/targeting
 	sort_string = "NAADC"
 

code/modules/research/designs/weapons.dm

@@ -100,14 +100,23 @@
 	sort_string = "MABBA"
 
 /datum/design/item/weapon/ballistic/ammo/stunshell
-	name = "stun shell"
+	name = "stun shells"
 	desc = "A stunning shell for a shotgun."
 	id = "stunshell"
 	req_tech = list(TECH_COMBAT = 3, TECH_MATERIAL = 3)
 	materials = list(DEFAULT_WALL_MATERIAL = 4000)
-	build_path = /obj/item/ammo_casing/a12g/stunshell
+	build_path = /obj/item/weapon/storage/box/stunshells
 	sort_string = "MABBB"
 
+/datum/design/item/weapon/ballistic/ammo/empshell
+	name = "emp shells"
+	desc = "An electromagnetic shell for a shotgun."
+	id = "empshell"
+	req_tech = list(TECH_COMBAT = 4, TECH_MAGNET = 3)
+	materials = list(DEFAULT_WALL_MATERIAL = 4000, MAT_URANIUM = 1000)
+	build_path = /obj/item/weapon/storage/box/empshells
+	sort_string = "MABBC"
+
 // Phase weapons
 
 /datum/design/item/weapon/phase/AssembleDesignName()

code/modules/research/mechfab_designs.dm

@@ -177,57 +177,57 @@
 	name = "Durand Chassis"
 	id = "durand_chassis"
 	build_path = /obj/item/mecha_parts/chassis/durand
-	time = 10
+	time = 20
-	materials = list(DEFAULT_WALL_MATERIAL = 18750)
+	materials = list(DEFAULT_WALL_MATERIAL = 18750, MAT_PLASTEEL = 20000)
 
 /datum/design/item/mechfab/durand/torso
 	name = "Durand Torso"
 	id = "durand_torso"
 	build_path = /obj/item/mecha_parts/part/durand_torso
-	time = 30
+	time = 60
-	materials = list(DEFAULT_WALL_MATERIAL = 41250, "glass" = 15000, "silver" = 7500)
+	materials = list(DEFAULT_WALL_MATERIAL = 41250, MAT_PLASTEEL = 15000, "silver" = 7500)
 
 /datum/design/item/mechfab/durand/head
 	name = "Durand Head"
 	id = "durand_head"
 	build_path = /obj/item/mecha_parts/part/durand_head
-	time = 20
+	time = 40
 	materials = list(DEFAULT_WALL_MATERIAL = 18750, "glass" = 7500, "silver" = 2250)
 
 /datum/design/item/mechfab/durand/left_arm
 	name = "Durand Left Arm"
 	id = "durand_left_arm"
 	build_path = /obj/item/mecha_parts/part/durand_left_arm
-	time = 20
+	time = 40
 	materials = list(DEFAULT_WALL_MATERIAL = 26250, "silver" = 2250)
 
 /datum/design/item/mechfab/durand/right_arm
 	name = "Durand Right Arm"
 	id = "durand_right_arm"
 	build_path = /obj/item/mecha_parts/part/durand_right_arm
-	time = 20
+	time = 40
 	materials = list(DEFAULT_WALL_MATERIAL = 26250, "silver" = 2250)
 
 /datum/design/item/mechfab/durand/left_leg
 	name = "Durand Left Leg"
 	id = "durand_left_leg"
 	build_path = /obj/item/mecha_parts/part/durand_left_leg
-	time = 20
+	time = 40
 	materials = list(DEFAULT_WALL_MATERIAL = 30000, "silver" = 2250)
 
 /datum/design/item/mechfab/durand/right_leg
 	name = "Durand Right Leg"
 	id = "durand_right_leg"
 	build_path = /obj/item/mecha_parts/part/durand_right_leg
-	time = 20
+	time = 40
 	materials = list(DEFAULT_WALL_MATERIAL = 30000, "silver" = 2250)
 
 /datum/design/item/mechfab/durand/armour
 	name = "Durand Armour Plates"
 	id = "durand_armour"
 	build_path = /obj/item/mecha_parts/part/durand_armour
-	time = 60
+	time = 90
-	materials = list(DEFAULT_WALL_MATERIAL = 37500, "uranium" = 7500)
+	materials = list(DEFAULT_WALL_MATERIAL = 27500, MAT_PLASTEEL = 10000, "uranium" = 7500)
 
 /datum/design/item/mechfab/janus
 	category = "Janus"
@@ -1038,4 +1038,151 @@
 	time = 20
 	req_tech = list(TECH_MATERIAL = 6, TECH_ENGINEERING = 5, TECH_PHORON = 3, TECH_MAGNET = 4, TECH_POWER = 6)
 	materials = list(DEFAULT_WALL_MATERIAL = 10000, "glass" = 6000, "silver" = 4000)
-	
+
+// Exosuit Internals
+
+/datum/design/item/mechfab/exointernal
+	category = "Exosuit Internals"
+	time = 120
+	req_tech = list(TECH_MATERIAL = 3, TECH_ENGINEERING = 3)
+
+/datum/design/item/mechfab/exointernal/stan_armor
+	name = "Armor Plate (Standard)"
+	category = "Exosuit Internals"
+	id = "exo_int_armor_standard"
+	req_tech = list(TECH_MATERIAL = 2, TECH_ENGINEERING = 2)
+	materials = list(DEFAULT_WALL_MATERIAL = 10000)
+	build_path = /obj/item/mecha_parts/component/armor
+
+/datum/design/item/mechfab/exointernal/light_armor
+	name = "Armor Plate (Lightweight)"
+	category = "Exosuit Internals"
+	id = "exo_int_armor_lightweight"
+	req_tech = list(TECH_MATERIAL = 2, TECH_ENGINEERING = 3)
+	materials = list(DEFAULT_WALL_MATERIAL = 5000, MAT_PLASTIC = 3000)
+	build_path = /obj/item/mecha_parts/component/armor/lightweight
+
+/datum/design/item/mechfab/exointernal/reinf_armor
+	name = "Armor Plate (Reinforced)"
+	category = "Exosuit Internals"
+	id = "exo_int_armor_reinforced"
+	req_tech = list(TECH_MATERIAL = 4, TECH_ENGINEERING = 4)
+	materials = list(DEFAULT_WALL_MATERIAL = 20000, MAT_PLASTEEL = 10000)
+	build_path = /obj/item/mecha_parts/component/armor/reinforced
+
+/datum/design/item/mechfab/exointernal/mining_armor
+	name = "Armor Plate (Blast)"
+	category = "Exosuit Internals"
+	id = "exo_int_armor_blast"
+	req_tech = list(TECH_MATERIAL = 4, TECH_ENGINEERING = 4)
+	materials = list(DEFAULT_WALL_MATERIAL = 20000, MAT_PLASTEEL = 10000)
+	build_path = /obj/item/mecha_parts/component/armor/mining
+
+/datum/design/item/mechfab/exointernal/gygax_armor
+	name = "Armor Plate (Marshal)"
+	category = "Exosuit Internals"
+	id = "exo_int_armor_gygax"
+	req_tech = list(TECH_MATERIAL = 5, TECH_ENGINEERING = 4, TECH_COMBAT = 2)
+	materials = list(DEFAULT_WALL_MATERIAL = 40000, MAT_DIAMOND = 8000)
+	build_path = /obj/item/mecha_parts/component/armor/marshal
+
+/datum/design/item/mechfab/exointernal/darkgygax_armor
+	name = "Armor Plate (Blackops)"
+	category = "Exosuit Internals"
+	id = "exo_int_armor_dgygax"
+	req_tech = list(TECH_MATERIAL = 5, TECH_ENGINEERING = 5, TECH_COMBAT = 4, TECH_ILLEGAL = 2)
+	materials = list(MAT_PLASTEEL = 20000, MAT_DIAMOND = 10000, MAT_GRAPHITE = 20000)
+	build_path = /obj/item/mecha_parts/component/armor/marshal/reinforced
+
+/datum/design/item/mechfab/exointernal/durand_armour
+	name = "Armor Plate (Military)"
+	id = "exo_int_armor_durand"
+	req_tech = list(TECH_MATERIAL = 5, TECH_ENGINEERING = 4, TECH_COMBAT = 2)
+	materials = list(DEFAULT_WALL_MATERIAL = 40000, MAT_PLASTEEL = 9525, "uranium" = 8000)
+	build_path = /obj/item/mecha_parts/component/armor/military
+
+/datum/design/item/mechfab/exointernal/marauder_armour
+	name = "Armor Plate (Cutting Edge)"
+	id = "exo_int_armor_marauder"
+	req_tech = list(TECH_MATERIAL = 8, TECH_ENGINEERING = 7, TECH_COMBAT = 6, TECH_ILLEGAL = 4)
+	materials = list(MAT_DURASTEEL = 40000, MAT_GRAPHITE = 8000, MAT_OSMIUM = 8000)
+	build_path = /obj/item/mecha_parts/component/armor/military/marauder
+
+/datum/design/item/mechfab/exointernal/phazon_armour
+	name = "Armor Plate (Janus)"
+	id = "exo_int_armor_phazon"
+	req_tech = list(TECH_MATERIAL = 6, TECH_ENGINEERING = 6, TECH_COMBAT = 6, TECH_ILLEGAL = 4)
+	materials = list(MAT_MORPHIUM = 40000, MAT_DURASTEEL = 8000, MAT_OSMIUM = 8000)
+	build_path = /obj/item/mecha_parts/component/armor/alien
+
+/datum/design/item/mechfab/exointernal/stan_hull
+	name = "Hull (Standard)"
+	category = "Exosuit Internals"
+	id = "exo_int_hull_standard"
+	req_tech = list(TECH_MATERIAL = 2, TECH_ENGINEERING = 2)
+	materials = list(DEFAULT_WALL_MATERIAL = 10000)
+	build_path = /obj/item/mecha_parts/component/hull
+
+/datum/design/item/mechfab/exointernal/durable_hull
+	name = "Hull (Durable)"
+	category = "Exosuit Internals"
+	id = "exo_int_hull_durable"
+	req_tech = list(TECH_MATERIAL = 2, TECH_ENGINEERING = 2)
+	materials = list(DEFAULT_WALL_MATERIAL = 8000, MAT_PLASTEEL = 5000)
+	build_path = /obj/item/mecha_parts/component/hull/durable
+
+/datum/design/item/mechfab/exointernal/light_hull
+	name = "Hull (Lightweight)"
+	category = "Exosuit Internals"
+	id = "exo_int_hull_light"
+	req_tech = list(TECH_MATERIAL = 3, TECH_ENGINEERING = 4)
+	materials = list(DEFAULT_WALL_MATERIAL = 5000, MAT_PLASTIC = 3000)
+	build_path = /obj/item/mecha_parts/component/hull/lightweight
+
+/datum/design/item/mechfab/exointernal/stan_gas
+	name = "Life-Support (Standard)"
+	category = "Exosuit Internals"
+	id = "exo_int_lifesup_standard"
+	req_tech = list(TECH_MATERIAL = 2, TECH_ENGINEERING = 2)
+	materials = list(DEFAULT_WALL_MATERIAL = 10000)
+	build_path = /obj/item/mecha_parts/component/gas
+
+/datum/design/item/mechfab/exointernal/reinf_gas
+	name = "Life-Support (Reinforced)"
+	category = "Exosuit Internals"
+	id = "exo_int_lifesup_reinforced"
+	req_tech = list(TECH_MATERIAL = 4, TECH_ENGINEERING = 4)
+	materials = list(DEFAULT_WALL_MATERIAL = 8000, MAT_PLASTEEL = 8000, MAT_GRAPHITE = 1000)
+	build_path = /obj/item/mecha_parts/component/gas/reinforced
+
+/datum/design/item/mechfab/exointernal/stan_electric
+	name = "Electrical Harness (Standard)"
+	category = "Exosuit Internals"
+	id = "exo_int_electric_standard"
+	req_tech = list(TECH_POWER = 2, TECH_ENGINEERING = 2)
+	materials = list(DEFAULT_WALL_MATERIAL = 5000, MAT_PLASTIC = 1000)
+	build_path = /obj/item/mecha_parts/component/electrical
+
+/datum/design/item/mechfab/exointernal/efficient_electric
+	name = "Electrical Harness (High)"
+	category = "Exosuit Internals"
+	id = "exo_int_electric_efficient"
+	req_tech = list(TECH_POWER = 4, TECH_ENGINEERING = 4, TECH_DATA = 2)
+	materials = list(DEFAULT_WALL_MATERIAL = 5000, MAT_PLASTIC = 3000, MAT_SILVER = 3000)
+	build_path = /obj/item/mecha_parts/component/electrical/high_current
+
+/datum/design/item/mechfab/exointernal/stan_actuator
+	name = "Actuator Lattice (Standard)"
+	category = "Exosuit Internals"
+	id = "exo_int_actuator_standard"
+	req_tech = list(TECH_MATERIAL = 2, TECH_ENGINEERING = 2)
+	materials = list(DEFAULT_WALL_MATERIAL = 10000)
+	build_path = /obj/item/mecha_parts/component/actuator
+
+/datum/design/item/mechfab/exointernal/hispeed_actuator
+	name = "Actuator Lattice (Overclocked)"
+	category = "Exosuit Internals"
+	id = "exo_int_actuator_overclock"
+	req_tech = list(TECH_MATERIAL = 5, TECH_ENGINEERING = 4, TECH_POWER = 4)
+	materials = list(MAT_PLASTEEL = 10000, MAT_OSMIUM = 3000, MAT_GOLD = 5000)
+	build_path = /obj/item/mecha_parts/component/actuator/hispeed

html/changelogs/mechoid - exointernals.yml

@@ -0,0 +1,39 @@
+################################
+# Example Changelog File
+#
+# Note: This file, and files beginning with ".", and files that don't end in ".yml" will not be read. If you change this file, you will look really dumb.
+#
+# Your changelog will be merged with a master changelog. (New stuff added only, and only on the date entry for the day it was merged.)
+# When it is, any changes listed below will disappear.
+#
+# Valid Prefixes: 
+#   bugfix
+#   wip (For works in progress)
+#   tweak
+#   soundadd
+#   sounddel
+#   rscadd (general adding of nice things)
+#   rscdel (general deleting of nice things)
+#   imageadd
+#   imagedel
+#   maptweak
+#   spellcheck (typo fixes)
+#   experiment
+#################################
+
+# Your name.  
+author: Mechoid
+
+# Optional: Remove this file after generating master changelog.  Useful for PR changelogs that won't get used again.
+delete-after: True
+
+# Any changes you've made.  See valid prefix list above.
+# INDENT WITH TWO SPACES.  NOT TABS.  SPACES.
+# SCREW THIS UP AND IT WON'T WORK.
+# Also, all entries are changed into a single [] after a master changelog generation. Just remove the brackets when you add new entries.
+# Please surround your changes in  double quotes ("), as certain characters otherwise screws up compiling. The quotes will not show up in the changelog.
+changes: 
+  - rscadd: "Exosuits now have internal components."
+  - rscadd: "Autolathes can use plastic and plasteel."
+  - rscadd: "Autolathes can have tiered recipes, based on their manipulator rating."
+  - tweak: "Exosuit base health has been lowered due to the changes to damage processing."

vorestation.dme

@@ -941,6 +941,12 @@
 #include "code\game\mecha\combat\gygax.dm"
 #include "code\game\mecha\combat\marauder.dm"
 #include "code\game\mecha\combat\phazon.dm"
+#include "code\game\mecha\components\_component.dm"
+#include "code\game\mecha\components\actuators.dm"
+#include "code\game\mecha\components\armor.dm"
+#include "code\game\mecha\components\electrical.dm"
+#include "code\game\mecha\components\hull.dm"
+#include "code\game\mecha\components\lifesupport.dm"
 #include "code\game\mecha\equipment\mecha_equipment.dm"
 #include "code\game\mecha\equipment\mecha_equipment_dynamicprocs.dm"
 #include "code\game\mecha\equipment\tools\armor_melee.dm"