Mecha omni-shield generator

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

@@ -0,0 +1,97 @@
+#define OMNI_SHIELD_DRAIN 30
+
+/obj/item/mecha_parts/mecha_equipment/omni_shield
+	name = "omni shield"
+	desc = "A shield generator that forms an ennlosing, omnidirectional shield around the exosuit."
+	icon_state = "shield"
+	origin_tech = list(TECH_PHORON = 3, TECH_MAGNET = 6, TECH_ILLEGAL = 4)
+	equip_cooldown = 5
+	energy_drain = OMNI_SHIELD_DRAIN
+	range = 0
+
+	var/obj/item/shield_projector/shields = null
+	var/shield_type = /obj/item/shield_projector/rectangle/mecha
+
+	equip_type = EQUIP_HULL
+
+/obj/item/mecha_parts/mecha_equipment/omni_shield/critfail()
+	..()
+	shields.adjust_health(-200)
+
+/obj/item/mecha_parts/mecha_equipment/omni_shield/Destroy()
+	QDEL_NULL(shields)
+	..()
+
+/obj/item/mecha_parts/mecha_equipment/omni_shield/attach(obj/mecha/M as obj)
+	. = ..()
+	if(chassis)
+		shields = new shield_type(chassis)
+
+/obj/item/mecha_parts/mecha_equipment/omni_shield/detach()
+	if(chassis)
+		QDEL_NULL(shields)
+	. = ..()
+
+/obj/item/mecha_parts/mecha_equipment/omni_shield/handle_movement_action()
+	if(chassis && shields)
+		shields.update_shield_positions()
+
+/obj/item/mecha_parts/mecha_equipment/omni_shield/proc/toggle_shield()
+	..()
+	if(shields)
+		shields.set_on(!shields.active)
+		if(shields.active)
+			set_ready_state(0)
+			log_message("Activated.")
+		else
+			set_ready_state(1)
+			log_message("Deactivated.")
+
+/obj/item/mecha_parts/mecha_equipment/omni_shield/Topic(href, href_list)
+	..()
+	if(href_list["toggle_omnishield"])
+		toggle_shield()
+
+/obj/item/mecha_parts/mecha_equipment/omni_shield/get_equip_info()
+	if(!chassis) return
+	return "<span style=\"color:[equip_ready?"#0f0":"#f00"];\">*</span>&nbsp;[src.name] - <a href='?src=\ref[src];toggle_omnishield=1'>[shields?.active?"Dea":"A"]ctivate</a>"
+
+
+////// The shield projector object
+/obj/item/shield_projector/rectangle/mecha
+	shield_health = 200
+	max_shield_health = 200
+	shield_regen_delay = 10 SECONDS
+	shield_regen_amount = 10
+	size_x = 1
+	size_y = 1
+
+	var/shift_x = 0
+	var/shift_y = 0
+
+	var/obj/mecha/my_mech = null
+
+/obj/item/shield_projector/rectangle/mecha/Initialize()
+	. = ..()
+	my_mech = loc
+	GLOB.moved_event.register(my_mech, src, /obj/item/shield_projector/proc/update_shield_positions)
+
+/obj/item/shield_projector/rectangle/mecha/Destroy()
+	GLOB.moved_event.unregister(my_mech, src, /obj/item/shield_projector/proc/update_shield_positions)
+	my_mech = null
+	..()
+
+/obj/item/shield_projector/rectangle/mecha/create_shield()
+	. = ..()
+	if(shift_x || shift_y)
+		var/obj/effect/directional_shield/newshield = active_shields[active_shields.len]
+		newshield.pixel_x = shift_x
+		newshield.pixel_y = shift_y
+
+/obj/item/shield_projector/rectangle/mecha/adjust_health(amount)
+	. = ..()
+	my_mech.use_power(OMNI_SHIELD_DRAIN)
+	if(!active && shield_health < shield_regen_amount)
+		my_mech.use_power(OMNI_SHIELD_DRAIN * 4)
+
+#undef OMNI_SHIELD_DRAIN

code/modules/research/mechfab_designs.dm

@@ -570,6 +570,14 @@
 	materials = list(DEFAULT_WALL_MATERIAL = 8000, "gold" = 2000, "silver" = 3000, "phoron" = 5000, "glass" = 3750)
 	build_path = /obj/item/mecha_parts/mecha_equipment/combat_shield
 
+/datum/design/item/mecha/omni_shield
+	name = "Omni Shield"
+	desc = "Integral shield projector. Can only protect the exosuit, but has no weak angles."
+	id = "mech_shield_omni"
+	req_tech = list(TECH_PHORON = 3, TECH_MAGNET = 6, TECH_ILLEGAL = 4)
+	materials = list(DEFAULT_WALL_MATERIAL = 8000, "gold" = 2000, "silver" = 3000, "phoron" = 5000, "glass" = 3750)
+	build_path = /obj/item/mecha_parts/mecha_equipment/omni_shield
+
 /datum/design/item/mecha/crisis_drone
 	name = "Crisis Drone"
 	desc = "Deploys a small medical drone capable of patching small wounds in order to stabilize nearby patients."

code/modules/shieldgen/directional_shield.dm

@@ -125,6 +125,7 @@
 	for(var/obj/effect/directional_shield/S in active_shields)
 		active_shields -= S
 		qdel(S)
+	set_light(0)
 	active = FALSE
 
 /obj/item/shield_projector/proc/update_shield_positions()
@@ -179,13 +180,18 @@
 		if(always_on)
 			to_chat(user, "<span class='warning'>You can't seem to deactivate \the [src].</span>")
 			return
-
-		destroy_shields()
+		set_on(FALSE)
 	else
 		set_dir(user.dir) // Needed for linear shields.
-		create_shields()
+		set_on(TRUE)
 	visible_message("<span class='notice'>\The [user] [!active ? "de":""]activates \the [src].</span>")
 
+/obj/item/shield_projector/proc/set_on(var/on)
+	if(isnull(on))
+		return
+
+	on ? create_shields() : destroy_shields() // Harmless if called when in the wrong state.
+
 /obj/item/shield_projector/process()
 	if(shield_health < max_shield_health && ( (last_damaged_time + shield_regen_delay) < world.time) )
 		adjust_health(shield_regen_amount)

vorestation.dme

@@ -932,6 +932,7 @@
 #include "code\game\mecha\equipment\tools\rcd.dm"
 #include "code\game\mecha\equipment\tools\repair_droid.dm"
 #include "code\game\mecha\equipment\tools\shield.dm"
+#include "code\game\mecha\equipment\tools\shield_omni.dm"
 #include "code\game\mecha\equipment\tools\sleeper.dm"
 #include "code\game\mecha\equipment\tools\speedboost.dm"
 #include "code\game\mecha\equipment\tools\syringe_gun.dm"