Atomic Gardening (#28657)

* adds rad_act to hydro trays

* small adjustments

code/modules/hydroponics/hydroponics_tray.dm

@@ -5,6 +5,8 @@
 	density = TRUE
 	anchored = TRUE
 	pixel_y = 8
+	rad_insulation_beta = RAD_MOB_INSULATION
+	rad_insulation_gamma = RAD_MOB_INSULATION
 	/// The amount of water in the tray (max 100)
 	var/waterlevel = 100
 	/// The maximum amount of water in the tray
@@ -1112,3 +1114,26 @@
 		return
 	if(user.plant_analyzer)
 		send_plant_details(user)
+
+/obj/machinery/hydroponics/rad_act(atom/source, amount, emission_type)
+	if(!myseed)
+		return
+	// adjust radiation value according to type
+	switch(emission_type)
+		if(GAMMA_RAD)
+			amount /= ((1 - rad_insulation_gamma) / 2)
+		if(BETA_RAD)
+			amount /= (1 - rad_insulation_beta)
+		if(ALPHA_RAD)
+			amount /= 2
+
+	var/top_range = 100 * amount / (amount + 50)
+	var/roll = rand(0, top_range)
+
+	// Do the rad stuff
+	if(prob(roll / 20))
+		adjustHealth(-roll / 20)
+	if(prob(roll / 7))
+		myseed.mutate(roll / 2, get_mutation_focus())
+	if(top_range > 30 && prob(roll / 10))
+		mut_beamed = TRUE