IPC balance changes

code/modules/surgery/organs/blood.dm

@@ -54,7 +54,7 @@
 			var/obj/item/organ/external/BP = X
 			var/brutedamage = BP.brute_dam
 
-			if(BP.is_robotic() && !isSynthetic())
+			if(BP.is_robotic())
 				continue
 
 			//We want an accurate reading of .len

code/modules/surgery/organs/organ.dm

@@ -253,35 +253,6 @@
 	status &= ~ORGAN_SPLINTED
 	status |= ORGAN_ROBOT
 
-/obj/item/organ/external/emp_act(severity)
-	if(!is_robotic() || emp_proof)
-		return
-	if(tough)
-		switch(severity)
-			if(1)
-				receive_damage(0, 5.5)
-				if(owner)
-					owner.Stun(10)
-			if(2)
-				receive_damage(0, 2.8)
-				if(owner)
-					owner.Stun(5)
-	else
-		switch(severity)
-			if(1)
-				receive_damage(0, 20)
-			if(2)
-				receive_damage(0, 7)
-
-/obj/item/organ/internal/emp_act(severity)
-	if(!is_robotic() || emp_proof)
-		return
-	switch(severity)
-		if(1)
-			receive_damage(20, 1)
-		if(2)
-			receive_damage(7, 1)
-
 /obj/item/organ/proc/shock_organ(intensity)
 	return
 

code/modules/surgery/organs/organ_external.dm

@@ -41,6 +41,9 @@
 	var/list/obj/item/organ/external/children
 	var/list/convertable_children = list()
 
+	// Does the organ take reduce damage from EMPs? IPC limbs get this by default
+	var/emp_resistant = FALSE
+
 	// Internal organs of this body part
 	var/list/internal_organs = list()
 
@@ -256,6 +259,34 @@
 
 	return update_icon()
 
+/obj/item/organ/external/emp_act(severity)
+	if(!is_robotic() || emp_proof)
+		return
+	if(tough) // Augmented limbs
+		switch(severity)
+			if(1)
+				receive_damage(0, 5.5)
+				if(owner)
+					owner.Stun(10)
+			if(2)
+				receive_damage(0, 2.8)
+				if(owner)
+					owner.Stun(5)
+	else if(emp_resistant) // IPC limbs
+		switch(severity)
+			if(1)
+				// 5.28 (9 * 0.66 burn_mod) burn damage, 65.34 damage with 11 limbs.
+				receive_damage(0, 9)
+			if(2)
+				// 3.63 (5 * 0.66 burn_mod) burn damage, 39.93 damage with 11 limbs.
+				receive_damage(0, 5.5)
+	else // Basic prosthetic limbs
+		switch(severity)
+			if(1)
+				receive_damage(0, 20)
+			if(2)
+				receive_damage(0, 7)
+
 /*
 This function completely restores a damaged organ to perfect condition.
 */

code/modules/surgery/organs/organ_internal.dm

@@ -73,6 +73,15 @@
 		A.Remove(M)
 	return src
 
+/obj/item/organ/internal/emp_act(severity)
+	if(!is_robotic() || emp_proof)
+		return
+	switch(severity)
+		if(1)
+			receive_damage(20, 1)
+		if(2)
+			receive_damage(7, 1)
+
 /obj/item/organ/internal/replaced(var/mob/living/carbon/human/target)
     insert(target)
 

code/modules/surgery/organs/subtypes/machine.dm

@@ -5,6 +5,7 @@
 	min_broken_damage = 30
 	encased = null
 	status = ORGAN_ROBOT
+	emp_resistant = TRUE
 
 /obj/item/organ/external/head/ipc/New(mob/living/carbon/holder, datum/species/species_override = null)
 	..(holder, /datum/species/machine) // IPC heads need to be explicitly set to this since you can print them
@@ -13,6 +14,7 @@
 /obj/item/organ/external/chest/ipc
 	encased = null
 	status = ORGAN_ROBOT
+	emp_resistant = TRUE
 
 /obj/item/organ/external/chest/ipc/New()
 	..()
@@ -21,6 +23,7 @@
 /obj/item/organ/external/groin/ipc
 	encased = null
 	status = ORGAN_ROBOT
+	emp_resistant = TRUE
 
 /obj/item/organ/external/groin/ipc/New()
 	..()
@@ -29,6 +32,7 @@
 /obj/item/organ/external/arm/ipc
 	encased = null
 	status = ORGAN_ROBOT
+	emp_resistant = TRUE
 
 /obj/item/organ/external/arm/ipc/New()
 	..()
@@ -37,6 +41,7 @@
 /obj/item/organ/external/arm/right/ipc
 	encased = null
 	status = ORGAN_ROBOT
+	emp_resistant = TRUE
 
 /obj/item/organ/external/arm/right/ipc/New()
 	..()
@@ -45,6 +50,7 @@
 /obj/item/organ/external/leg/ipc
 	encased = null
 	status = ORGAN_ROBOT
+	emp_resistant = TRUE
 
 /obj/item/organ/external/leg/ipc/New()
 	..()
@@ -53,6 +59,7 @@
 /obj/item/organ/external/leg/right/ipc
 	encased = null
 	status = ORGAN_ROBOT
+	emp_resistant = TRUE
 
 /obj/item/organ/external/leg/right/ipc/New()
 	..()
@@ -61,6 +68,7 @@
 /obj/item/organ/external/foot/ipc
 	encased = null
 	status = ORGAN_ROBOT
+	emp_resistant = TRUE
 
 /obj/item/organ/external/foot/ipc/New()
 	..()
@@ -69,6 +77,7 @@
 /obj/item/organ/external/foot/right/ipc
 	encased = null
 	status = ORGAN_ROBOT
+	emp_resistant = TRUE
 
 /obj/item/organ/external/foot/right/ipc/New()
 	..()
@@ -77,6 +86,7 @@
 /obj/item/organ/external/hand/ipc
 	encased = null
 	status = ORGAN_ROBOT
+	emp_resistant = TRUE
 
 /obj/item/organ/external/hand/ipc/New()
 	..()
@@ -85,6 +95,7 @@
 /obj/item/organ/external/hand/right/ipc
 	encased = null
 	status = ORGAN_ROBOT
+	emp_resistant = TRUE
 
 /obj/item/organ/external/hand/right/ipc/New()
 	..()