Adds Adhomian Eclipses (#19378)

Adds Adhomian Eclipses of Shi-rr’ata and Shi-rra Arr’Kahata

- [x] Backend code to allow for different 'sunlight'
- [x] Add Shi-rr’ata
- [x] Add Shi-rra Arr’Kahata
- [ ] Find date for Shi-rr’ata (Denied by Cat Lore)

---------

Co-authored-by: Ben10083 <Ben10083@users.noreply.github.com>

code/modules/maps/planet_types/lore/srandmarr.dm

@@ -125,6 +125,9 @@
 		ground_survey_result = "<br>High concretation of dense metal in the mantle"
 
 // --------------------------------- Adhomai
+// NOTE: To trigger Adhomai 'event' (eclipses). Use the set holiday verb to the eclipse name BEFORE this planet is initialized, or have holiday added to holidays.dm
+// "Shi-rr’ata" : Messa Eclipse. Lighting changes.
+// "Shi-rra Arr’Kahata" : Raskara Eclipse. This makes planet covered in darkness and increases hostile animal spawns (Adhomai Hell)
 /obj/effect/overmap/visitable/sector/exoplanet/adhomai
 	name = "Adhomai"
 	desc = "The Tajaran homeworld. Adhomai is a cold and icy world, suffering from almost perpetual snowfall and extremely low temperatures."
@@ -192,6 +195,12 @@
 			ruin_type_whitelist = list (/datum/map_template/ruin/exoplanet/north_pole_monolith, /datum/map_template/ruin/exoplanet/north_pole_nka_expedition, /datum/map_template/ruin/exoplanet/north_pole_worm)
 			initial_weather_state = /singleton/state/weather/calm/arctic_planet
 
+	if(Holiday == "Shi-rra Arr’Kahata")  // Messa weeps.
+		if(landing_faction != "North Pole")
+			possible_themes = list(/datum/exoplanet_theme/snow/adhomai/darkest_eclipse)
+		else
+			possible_themes = list(/datum/exoplanet_theme/snow/tundra/adhomai/darkest_eclipse)
+
 	desc += " The landing sites are located at the [landing_faction]'s territory."
 
 /obj/effect/overmap/visitable/sector/exoplanet/adhomai/generate_habitability()
@@ -200,6 +209,12 @@
 /obj/effect/overmap/visitable/sector/exoplanet/adhomai/generate_map()
 	if(prob(75))
 		lightlevel = rand(3,10)/10
+	switch(Holiday)	// Handle eclipses
+		if("Shi-rr’ata") // Messa Eclipse
+			lightlevel = 9/10
+			lightcolor = COLOR_CYAN
+		if("Shi-rra Arr’Kahata") //Raskara Eclipse. Board your windows.
+			lightlevel = 0
 	..()
 
 /obj/effect/overmap/visitable/sector/exoplanet/adhomai/generate_planet_image()