added comments

code/modules/mob/living/carbon/human/life.dm

@@ -258,12 +258,12 @@
 			number_wounds += E.number_wounds
 
 		var/leg_tally = 2
-		var/canstand_l = 1
-		var/canstand_r = 1
-		var/hasleg_l = 1
-		var/hasleg_r = 1
-		var/hasarm_l = 1
-		var/hasarm_r = 1
+		var/canstand_l = 1  //Can stand on left leg
+		var/canstand_r = 1  //Can stand on right leg
+		var/hasleg_l = 1  //Have left leg
+		var/hasleg_r = 1  //Have right leg
+		var/hasarm_l = 1  //Have left arm
+		var/hasarm_r = 1  //Have right arm
 		for(var/datum/organ/external/E in organs)
 			E.process()
 			if(E.status & ORGAN_ROBOT && prob(E.brute_dam + E.burn_dam))
@@ -312,6 +312,14 @@
 					if(!(E.status & ORGAN_SPLINTED))
 						leg_tally--									// let it fail even if just foot&leg
 
+		// standing is poor
+		if(leg_tally <= 0 && !paralysis && !(lying || resting) && prob(5))
+			emote("scream")
+			emote("collapse")
+			paralysis = 10
+
+
+		//Check arms and legs for existence
 		var/datum/organ/external/E
 		E = get_organ("l_leg")
 		if(E.status & ORGAN_DESTROYED && !(E.status & ORGAN_SPLINTED))
@@ -334,12 +342,8 @@
 		if(E.status & ORGAN_DESTROYED && !(E.status & ORGAN_SPLINTED))
 			hasarm_r = 0
 
-		// standing is poor
-		if(leg_tally <= 0 && !paralysis && !(lying || resting) && prob(5))
-			emote("scream")
-			emote("collapse")
-			paralysis = 10
-
+		// Can stand if have at least one full leg (with leg and foot parts present)
+		// Has limbs to move around if at least one arm or leg is at least partially there
 		can_stand = canstand_l||canstand_r
 		has_limbs = hasleg_l||hasleg_r||hasarm_l||hasarm_r
 

code/modules/mob/living/carbon/human/update_icons.dm

@@ -246,6 +246,7 @@ proc/get_damage_icon_part(damage_state, body_part)
 		lying_icon = new /icon('icons/mob/human.dmi', "body_[g]_l")
 		individual_limbs = 0
 
+	//remove destroyed limbs from base icon
 	for(var/datum/organ/external/part in organs)
 		if(!istype(part, /datum/organ/external/groin) \
 		&& !istype(part, /datum/organ/external/chest) \
@@ -258,7 +259,7 @@ proc/get_damage_icon_part(damage_state, body_part)
 			temp.MapColors(-1,0,0,0, 0,-1,0,0, 0,0,-1,0, 0,0,0,-1, 1,1,1,1)
 			lying_icon.AddAlphaMask(temp)
 
-	// Draw each individual limb
+	// Draw each individual limb (AterIgnis: not sure why this is needed at all - base icon have all of these, but that was before me)
 	if(!husk && individual_limbs)
 		stand_icon.Blend(new /icon('icons/mob/human.dmi', "chest_[g]_s"), ICON_OVERLAY)
 		lying_icon.Blend(new /icon('icons/mob/human.dmi', "chest_[g]_l"), ICON_OVERLAY)
@@ -271,6 +272,7 @@ proc/get_damage_icon_part(damage_state, body_part)
 		stand_icon.Blend(new /icon('human.dmi', "groin_[g]_s"), ICON_OVERLAY)
 		lying_icon.Blend(new /icon('human.dmi', "groin_[g]_l"), ICON_OVERLAY)
 
+	// Draw nondestroyed robotic limbs grayscale
 	for(var/datum/organ/external/part in organs)
 		if(!istype(part, /datum/organ/external/groin) \
 			&& !istype(part, /datum/organ/external/chest) \

code/modules/mob/mob_defines.dm

@@ -221,5 +221,5 @@
 	var/soghun_talk_understand = 0
 	var/skrell_talk_understand = 0
 
-	var/has_limbs = 1
-	var/can_stand = 1
+	var/has_limbs = 1 //Whether this mob have any limbs he can move with
+	var/can_stand = 1 //Whether this mob have ability to stand