Merge pull request #6272 from Mechoid/Mining_Expansion_The_Diggening

Mining Expansion, the Diggening.

code/game/objects/items/weapons/explosives.dm

@@ -13,6 +13,10 @@
 	var/atom/target = null
 	var/open_panel = 0
 	var/image_overlay = null
+	var/blast_dev = -1
+	var/blast_heavy = -1
+	var/blast_light = 2
+	var/blast_flash = 3
 
 /obj/item/weapon/plastique/New()
 	wires = new(src)
@@ -72,7 +76,7 @@
 	if(!target)
 		target = src
 	if(location)
-		explosion(location, -1, -1, 2, 3)
+		explosion(location, blast_dev, blast_heavy, blast_light, blast_flash)
 
 	if(target)
 		if (istype(target, /turf/simulated/wall))
@@ -88,3 +92,11 @@
 
 /obj/item/weapon/plastique/attack(mob/M as mob, mob/user as mob, def_zone)
 	return
+
+/obj/item/weapon/plastique/seismic
+	name = "seismic charge"
+	desc = "Used to dig holes in specific areas without too much extra hole."
+
+	blast_heavy = 3
+	blast_light = 5
+	blast_flash = 8

code/game/objects/items/weapons/grenades/spawnergrenade.dm

@@ -41,6 +41,19 @@
 /obj/item/weapon/grenade/spawnergrenade/manhacks/raider
 	spawner_type = /mob/living/simple_mob/mechanical/viscerator/raider
 
+/obj/item/weapon/grenade/spawnergrenade/manhacks/station
+	desc = "It is set to detonate in 5 seconds. It will deploy three weaponized survey drones."
+	deliveryamt = 3
+	spawner_type = /mob/living/simple_mob/mechanical/viscerator/station
+	origin_tech = list(TECH_MATERIAL = 3, TECH_MAGNET = 3, TECH_ILLEGAL = 1)
+
+/obj/item/weapon/grenade/spawnergrenade/ward
+	name = "sentry delivery grenade"
+	desc = "It is set to detonate in 5 seconds. It will deploy a single thermal-optic sentry drone."
+	spawner_type = /mob/living/simple_mob/mechanical/ward/monitor/crew
+	deliveryamt = 1
+	origin_tech = list(TECH_MATERIAL = 4, TECH_MAGNET = 3, TECH_BLUESPACE = 2)
+
 /obj/item/weapon/grenade/spawnergrenade/spesscarp
 	name = "carp delivery grenade"
 	spawner_type = /mob/living/simple_mob/animal/space/carp