mirror of
https://github.com/Aurorastation/Aurora.3.git
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cb7f798e09
Added a comet expulsion event, coming towards the main map, if not dodged causes some meteors that then explode, the explosion power can be reduced by shields. Some DMDocs, code cleanups and other things noone else cares about.
135 lines
4.6 KiB
Plaintext
135 lines
4.6 KiB
Plaintext
/// The minimum strength of a shield to reduce the explosion power of the comet expulsion
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#define SHIELD_MINIMUM_STRENGTH_TO_REDUCE_EXPLOSION_POWER 5
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/*###############################################
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PROJECTILE OF THE COMET EXPULSION EVENT
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###############################################*/
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/obj/projectile/comet_expulsion
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name = "Comet Expulsion"
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icon = 'icons/obj/guns/ship/overmap_projectiles.dmi'
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icon_state = "med_xray_salvo" //Eventually a spriter will make a sprite specific for this
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speed = 1
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pixel_speed_multiplier = 0.01
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range = INFINITY
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/obj/projectile/comet_expulsion/can_hit_target(atom/target, direct_target = FALSE, ignore_loc = FALSE, cross_failed = FALSE)
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if(istype(get_turf(src), /turf/unsimulated/map/edge) && istype(target, /turf/unsimulated/map/edge))
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return FALSE
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if(!istype(target, /obj/effect/overmap/visitable))
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return FALSE
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return ..()
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/obj/projectile/comet_expulsion/on_hit(atom/target, blocked, def_zone)
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. = ..()
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if(. != BULLET_ACT_HIT)
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return
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//If we hit the ship, spawn meteors for the various zlevels
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if(target == original)
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//The direction we are hitting the overmap object from, the true one
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var/hit_direction = angle2dir(get_angle(src, target))
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for(var/zlevel in SSmapping.levels_by_trait(ZTRAIT_STATION))
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//Pick a cardinal direction to spawn the meteor from
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var/meteor_source_dir = hit_direction
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//If it's not a cardinal already, since the meteor code only supports cardinal directions, make it cardinal
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switch(meteor_source_dir)
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if(NORTHEAST)
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meteor_source_dir = pick(EAST, NORTH)
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if(NORTHWEST)
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meteor_source_dir = pick(WEST, NORTH)
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if(SOUTHEAST)
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meteor_source_dir = pick(EAST, SOUTH)
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if(SOUTHWEST)
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meteor_source_dir = pick(WEST, SOUTH)
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//Calculate how many meteors to spawn based on the direction of the hit
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//getting hit broadside (cardinal direction) is worse than hitting it diagonally
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var/meteors_to_spawn = 5
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if(hit_direction in GLOB.cardinals)
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meteors_to_spawn = 3
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spawn_meteors(meteors_to_spawn, list(/obj/effect/meteor/comet_expulsion), meteor_source_dir, zlevel)
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/*#############################################
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METEORS OF THE COMET EXPULSION EVENT
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#############################################*/
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/obj/effect/meteor/comet_expulsion
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heavy = TRUE
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ignore_shield_destruction = TRUE
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hitpwr = 2
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/obj/effect/meteor/comet_expulsion/Collide(atom/A)
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//If there's shields and it's strong enough, the power of the explosion is reduced, but it won't stop it
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if(istype(A, /obj/effect/energy_field))
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var/obj/effect/energy_field/impacted_energy_field = A
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if(impacted_energy_field.strength > SHIELD_MINIMUM_STRENGTH_TO_REDUCE_EXPLOSION_POWER)
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hitpwr *= 0.5
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qdel(impacted_energy_field)
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. = ..()
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/obj/effect/meteor/comet_expulsion/meteor_effect()
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. = ..()
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explosion(get_turf(src), ROUND_UP(hitpwr), ROUND_UP(hitpwr*1.2), ROUND_UP(hitpwr*1.4))
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/*#############################
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COMET EXPULSION EVENT
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#############################*/
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/datum/event/comet_expulsion
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severity = EVENT_LEVEL_MAJOR
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startWhen = 30
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/datum/event/comet_expulsion/setup()
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if(!SSatlas.current_map.use_overmap)
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qdel(src)
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return
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/datum/event/comet_expulsion/start()
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. = ..()
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var/list/possible_station_levels = SSmapping.levels_by_all_traits(list(ZTRAIT_STATION))
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if(!length(possible_station_levels))
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qdel(src)
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return
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var/obj/effect/overmap/visitable/target = GLOB.map_sectors["[pick(possible_station_levels)]"]
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if(!istype(target))
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qdel(src)
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return
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var/list/turf/unsimulated/map/edge/overmap_edges = list()
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for(var/turf/unsimulated/map/edge/E in block(locate(1,1,SSatlas.current_map.overmap_z), locate(SSatlas.current_map.overmap_size,SSatlas.current_map.overmap_size,SSatlas.current_map.overmap_z)))
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overmap_edges += E
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var/turf/unsimulated/map/edge/source = pick(overmap_edges)
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if(!istype(source))
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qdel(src)
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return
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var/obj/projectile/comet_expulsion/our_comet = new(source)
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our_comet.preparePixelProjectile(target, source)
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our_comet.original = target
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our_comet.fire(get_angle(source, target))
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/datum/event/comet_expulsion/announce_start()
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. = ..()
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command_announcement.Announce("Warning, long range field scanners have detected an unforseen comet mass expulsion in collision route with [location_name()].\n\
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All hands, assume defense condition, perform evasive maneuvers to avoid collision with the debris cloud. Damage control teams prepare to respond to breaches of the \
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vessel perimeter.",
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"[location_name()] Long Range Field Objects Sensor Array", new_sound = 'sound/effects/Evacuation.ogg', zlevels = affecting_z)
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#undef SHIELD_MINIMUM_STRENGTH_TO_REDUCE_EXPLOSION_POWER
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