Melee attack for mechs

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

@@ -460,3 +460,35 @@ emp_act
 	var/penetrated_dam = max(0,(damage - max(0,(SS.breach_threshold - SS.damage))))
 
 	if(penetrated_dam) SS.create_breaches(damtype, penetrated_dam)
+	
+/mob/living/carbon/human/mech_melee_attack(obj/mecha/M)
+	if(M.occupant.a_intent == "harm")
+		if(M.damtype == "brute")
+			step_away(src,M,15)
+		var/datum/organ/external/affecting = get_organ(pick("chest", "chest", "chest", "head"))
+		if(affecting)
+			var/update = 0
+			switch(M.damtype)
+				if("brute")
+					if(M.force > 20)
+						Paralyse(1)
+					update |= affecting.take_damage(rand(M.force/2, M.force), 0)
+					playsound(src, 'sound/weapons/punch4.ogg', 50, 1)
+				if("fire")
+					update |= affecting.take_damage(0, rand(M.force/2, M.force))
+					playsound(src, 'sound/items/Welder.ogg', 50, 1)
+				if("tox")
+					M.mech_toxin_damage(src)
+				else
+					return
+			updatehealth()
+
+		M.occupant_message("<span class='danger'>You hit [src].</span>")
+		visible_message("<span class='danger'>[src] has been hit by [M.name].</span>", \
+								"<span class='userdanger'>[src] has been hit by [M.name].</span>")
+		add_logs(M.occupant, src, "attacked", object=M, addition="(INTENT: [uppertext(M.occupant.a_intent)]) (DAMTYPE: [uppertext(M.damtype)])")
+
+	else
+		..()
+
+	return

code/modules/mob/living/living_defense.dm

@@ -168,6 +168,35 @@
 					visible_message("<span class='warning'>[src] is pinned to the wall by [O]!</span>","<span class='warning'>You are pinned to the wall by [O]!</span>")
 					src.anchored = 1
 					src.pinned += O
+					
+/mob/living/mech_melee_attack(obj/mecha/M)
+	if(M.occupant.a_intent == "harm")
+		if(M.damtype == "brute")
+			step_away(src,M,15)
+		switch(M.damtype)
+			if("brute")
+				Paralyse(1)
+				take_overall_damage(rand(M.force/2, M.force))
+				playsound(src, 'sound/weapons/punch4.ogg', 50, 1)
+			if("fire")
+				take_overall_damage(0, rand(M.force/2, M.force))
+				playsound(src, 'sound/items/Welder.ogg', 50, 1)
+			if("tox")
+				M.mech_toxin_damage(src)
+			else
+				return
+		updatehealth()
+		M.occupant_message("<span class='danger'>You hit [src].</span>")
+		visible_message("<span class='danger'>[src] has been hit by [M.name].</span>", \
+						"<span class='userdanger'>[src] has been hit by [M.name].</span>")
+		add_logs(M.occupant, src, "attacked", object=M, addition="(INTENT: [uppertext(M.occupant.a_intent)]) (DAMTYPE: [uppertext(M.damtype)])")
+	else
+		step_away(src,M)
+		add_logs(M.occupant, src, "pushed", object=M, admin=0)
+		M.occupant_message("<span class='warning'>You push [src] out of the way.</span>")
+		visible_message("<span class='warning'>[M] pushes [src] out of the way.</span>")
+
+		return
 
 //This is called when the mob is thrown into a dense turf
 /mob/living/proc/turf_collision(var/turf/T, var/speed)

code/modules/research/designs.dm

@@ -2100,7 +2100,7 @@ datum/design/bluespace_crystal
 	name = "Artificial Bluespace Crystal"
 	desc = "A small blue crystal with mystical properties."
 	id = "bluespace_crystal"
-	req_tech = list("bluespace" = 3, "materials" = 5)
+	req_tech = list("bluespace" = 4, "materials" = 6)
 	build_type = PROTOLATHE
 	materials = list("$gold" = 1500, "$diamond" = 3000, "$plasma" = 1500)
 	reliability_base = 100