fixed build path error, add power warnings

also put back attacked_by oof
removed syndicate tech requirement cuz eeeh it's just a voice, replaced
by titanium requirement

code/_onclick/hud/alert.dm

@@ -322,7 +322,7 @@ Recharging stations are available in robotics, the dormitory bathrooms, and the
 
 /obj/screen/alert/nymph/Click()
 	if(!usr || !usr.client)
-		return		
+		return
 	if(isnymph(usr))
 		var/mob/living/simple_animal/diona/D = usr
 		return D.resist()
@@ -412,6 +412,21 @@ so as to remain in compliance with the most up-to-date laws."
 	else
 		to_chat(usr, "<span class='notice'>[M] is not connected to a port at the moment.</span>")
 
+/obj/screen/alert/mech_nocell
+	name = "Missing Power Cell"
+	desc = "Mech has no power cell."
+	icon_state = "nocell"
+
+/obj/screen/alert/mech_emptycell
+	name = "Out of Power"
+	desc = "Mech is out of power."
+	icon_state = "emptycell"
+
+/obj/screen/alert/mech_lowcell
+	name = "Low Charge"
+	desc = "Mech is running out of power."
+	icon_state = "lowcell"
+
 //GUARDIANS
 /obj/screen/alert/cancharge
 	name = "Charge Ready"

code/game/mecha/mecha.dm

@@ -84,6 +84,7 @@
 	var/longactivationsound = 'sound/mecha/nominal.ogg'
 	var/starting_voice = /obj/item/mecha_modkit/voice
 	var/activated = FALSE
+	var/power_warned = FALSE
 
 	var/melee_cooldown = 10
 	var/melee_can_hit = 1
@@ -894,6 +895,9 @@
 		else
 			to_chat(user, "<span class='notice'>You stop installing [M].</span>")
 
+	else
+		return attacked_by(W, user)
+
 /obj/mecha/attacked_by(obj/item/I, mob/user)
 	log_message("Attacked by [I]. Attacker - [user]")
 	user.changeNext_move(CLICK_CD_MELEE)
@@ -1012,7 +1016,7 @@
 	icon_state = initial(icon_state)
 	playsound(src, 'sound/machines/windowdoor.ogg', 50, 1)
 	if(!hasInternalDamage())
-		occupant << sound(nominalsound, volume=50)
+		occupant << sound(nominalsound, volume = 50)
 	AI.cancel_camera()
 	AI.controlled_mech = src
 	AI.remote_control = src
@@ -1371,15 +1375,39 @@
 /obj/mecha/proc/use_power(amount)
 	if(get_charge())
 		cell.use(amount)
+		update_cell()
 		return 1
 	return 0
 
 /obj/mecha/proc/give_power(amount)
 	if(!isnull(get_charge()))
 		cell.give(amount)
+		update_cell()
 		return 1
 	return 0
 
+/obj/mecha/proc/update_cell()
+	if(cell)
+		var/cellcharge = cell.charge/cell.maxcharge
+		switch(cellcharge)
+			if(0.75 to INFINITY)
+				occupant.clear_alert("charge")
+			if(0.5 to 0.75)
+				occupant.throw_alert("charge", /obj/screen/alert/mech_lowcell, 1)
+			if(0.25 to 0.5)
+				occupant.throw_alert("charge", /obj/screen/alert/mech_lowcell, 2)
+				if(power_warned)
+					power_warned = FALSE
+			if(0.01 to 0.25)
+				occupant.throw_alert("charge", /obj/screen/alert/mech_lowcell, 3)
+				if(!power_warned)
+					occupant << sound(lowpowersound, volume = 50)
+					power_warned = TRUE
+			else
+				occupant.throw_alert("charge", /obj/screen/alert/mech_emptycell)
+	else
+		occupant.throw_alert("charge", /obj/screen/alert/mech_nocell)
+
 /obj/mecha/proc/reset_icon()
 	if(initial_icon)
 		icon_state = initial_icon

code/modules/research/designs/mechfabricator_designs.dm

@@ -1223,7 +1223,7 @@
 	build_type = MECHFAB
 	materials = list(MAT_METAL = 400, MAT_BANANIUM = 100)
 	construction_time = 50
-	build_path = /obj/item/mecha_modkit/voice/syndicate
+	build_path = /obj/item/mecha_modkit/voice/honk
 	category = list("Misc")
 
 /datum/design/voice_syndicate
@@ -1231,8 +1231,7 @@
 	desc = "A modification kit that updates a mech's onboard voice to Syndicate."
 	id = "voice_syndicate"
 	build_type = MECHFAB
-	materials = list(MAT_METAL = 500)
-	req_tech = list("syndicate" = 2)
+	materials = list(MAT_METAL = 400, MAT_TITANIUM = 100)
 	construction_time = 50
 	build_path = /obj/item/mecha_modkit/voice/syndicate
 	category = list("Misc")