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/// Approximate lower bound of the walkable land area on Lavaland, north of the southern lava border.
#define LAVALAND_MIN_CAVE_Y 10
/// Approximate upper bound of the walkable land area on Lavaland, south of the Legion entrance.
#define LAVALAND_MAX_CAVE_Y 222
/// Effective probability modifier for spawning flora and fauna in oases.
#define OASIS_SPAWNER_PROB_MODIFIER 43
GLOBAL_LIST_INIT(caves_default_flora_spawns, list(
/obj/structure/flora/ash/cacti = 1,
/obj/structure/flora/ash/cap_shroom = 2,
/obj/structure/flora/ash/leaf_shroom = 2,
/obj/structure/flora/ash/rock/style_random = 1,
/obj/structure/flora/ash/stem_shroom = 2,
/obj/structure/flora/ash/tall_shroom = 2,
))
/proc/lavaland_caves_spawn_flora(turf/T)
var/flora_spawn = pickweight(GLOB.caves_default_flora_spawns)
for(var/obj/structure/flora/ash/F in range(4, T)) //Allows for growing patches, but not ridiculous stacks of flora
if(!istype(F, flora_spawn))
return
new flora_spawn(T)
/datum/caves_theme
var/name = "Not Specified"
var/seed
var/perlin_accuracy = 5
var/perlin_stamp_size = 10
var/perlin_lower_range = 0
var/perlin_upper_range = 0.3
var/fauna_scan_range = 12
var/megafauna_scan_range = 16
/datum/caves_theme/New()
seed = rand(1, 999999)
/datum/caves_theme/proc/setup()
var/result = rustlibs_dbp_generate("[seed]", "[perlin_accuracy]", "[perlin_stamp_size]", "[world.maxx]", "[perlin_lower_range]", "[perlin_upper_range]")
for(var/zlvl in levels_by_trait(ORE_LEVEL))
for(var/turf/T in block(1, 1, zlvl, world.maxx, world.maxy, zlvl))
if(!istype(get_area(T), /area/lavaland/surface/outdoors/unexplored))
continue
if(!istype(T, /turf/simulated/mineral))
continue
var/c = result[world.maxx * (T.y - 1) + T.x]
if(c == "1")
T.ChangeTurf(/turf/simulated/floor/plating/asteroid/basalt/lava_land_surface)
on_change(T)
CHECK_TICK
/datum/caves_theme/proc/on_change(turf/T)
if(prob(2))
lavaland_caves_spawn_flora(T)
else if(prob(1))
new /obj/effect/spawner/random/lavaland_fauna(T)
/datum/caves_theme/proc/safe_replace(turf/T)
if(T.flags & NO_LAVA_GEN)
return FALSE
if(istype(T, /turf/template_noop))
return TRUE
if(!istype(get_area(T), /area/lavaland/surface/outdoors/unexplored))
return FALSE
if(istype(T, /turf/simulated/floor/chasm))
return FALSE
if(istype(T, /turf/simulated/floor/lava/lava_land_surface))
return FALSE
if(istype(T, /turf/simulated/floor/lava/mapping_lava))
return FALSE
return TRUE
/datum/caves_theme/classic
name = "Classic Caves"
/datum/caves_theme/burrows
name = "Blocked Burrows"
perlin_accuracy = 90
perlin_stamp_size = 7
/datum/caves_theme/burrows/on_change(turf/T)
if(prob(7))
new /obj/structure/flora/ash/rock/style_random(T)
else if(prob(5))
lavaland_caves_spawn_flora(T)
else if(prob(1))
new /obj/effect/spawner/random/lavaland_fauna(T)
/datum/caves_theme/deeprock/New()
. = ..()
fauna_scan_range = rand(4, 7)
megafauna_scan_range = rand(8, 16)
/datum/caves_theme/deeprock/proc/maybe_make_room(turf/T)
if(rand(1, 150) != 1)
return
for(var/turf/oasis_centroid in oasis_centroids)
if(get_dist(T, oasis_centroid) < oasis_padding)
return
oasis_centroids |= T
var/tempradius = rand(10, 15)
var/probmodifer = OASIS_SPAWNER_PROB_MODIFIER * tempradius
var/list/oasis_turfs = list()
for(var/turf/NT in circlerangeturfs(T, tempradius))
var/distance = (max(get_dist(T, NT), 1)) //Get dist throws -1 if same turf
if(safe_replace(NT) && prob(min(probmodifer / distance, 100)))
var/turf/changed = NT.ChangeTurf(/turf/simulated/floor/plating/asteroid/basalt/lava_land_surface)
if(prob(5))
new /obj/effect/spawner/random/lavaland_fauna(changed)
else if(prob(10))
lavaland_caves_spawn_flora(changed)
oasis_turfs |= changed
if(prob(50))
tempradius = round(tempradius / 3)
var/oasis_laketype = pickweight(lake_weights)
if(oasis_laketype == /turf/simulated/floor/plating/asteroid)
new /obj/effect/spawner/oasisrock(T, tempradius)
for(var/turf/oasis in circlerangeturfs(T, tempradius))
if(safe_replace(oasis))
oasis.ChangeTurf(oasis_laketype)
oasis_turfs -= oasis
// Move tendrils out of the oasis
for(var/obj/effect/spawner/random/pool/tendril_spawner/O in circlerange(T, tempradius))
O.forceMove(pick_n_take(oasis_turfs))
return T
/datum/caves_theme/deeprock
name = "Deadly Deeprock"
perlin_stamp_size = 12
perlin_upper_range = 0.2
var/oasis_padding = 50
var/list/oasis_centroids = list()
var/lake_weights = list(
/turf/simulated/floor/lava/lava_land_surface = 4,
/turf/simulated/floor/lava/lava_land_surface/plasma = 4,
/turf/simulated/floor/chasm/straight_down/lava_land_surface = 4,
/turf/simulated/floor/lava/mapping_lava = 6,
/turf/simulated/floor/beach/away/water/lavaland_air = 1,
/turf/simulated/floor/plating/asteroid = 1
)
/datum/caves_theme/deeprock/on_change(turf/T)
maybe_make_room(T)
if(prob(3))
lavaland_caves_spawn_flora(T)
else if(prob(2))
new /obj/effect/spawner/random/lavaland_fauna(T)
#undef OASIS_SPAWNER_PROB_MODIFIER
#undef LAVALAND_MIN_CAVE_Y
#undef LAVALAND_MAX_CAVE_Y