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Bubberstation/code/datums/components/riding/riding_mob.dm
SkyratBot 0026a9ece2 [MIRROR] Fixes density when fireman carrying (#6947) 
* Fixes density when fireman carrying (#59900)

* Fixes density when fireman carrying

Co-authored-by: John Willard <53777086+JohnFulpWillard@users.noreply.github.com>
2021-07-16 17:15:32 +01:00

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// For any mob that can be ridden
/datum/component/riding/creature
/// If TRUE, this creature's movements can be controlled by the rider while mounted (as opposed to riding cyborgs and humans, which is passive)
var/can_be_driven = TRUE
/// If TRUE, this creature's abilities can be triggered by the rider while mounted
var/can_use_abilities = FALSE
/datum/component/riding/creature/Initialize(mob/living/riding_mob, force = FALSE, ride_check_flags = NONE, potion_boost = FALSE)
if(!isliving(parent))
return COMPONENT_INCOMPATIBLE
. = ..()
var/mob/living/living_parent = parent
living_parent.stop_pulling() // was only used on humans previously, may change some other behavior
log_riding(living_parent, riding_mob)
riding_mob.set_glide_size(living_parent.glide_size)
handle_vehicle_offsets(living_parent.dir)
if(can_use_abilities)
setup_abilities(riding_mob)
if(isanimal(parent))
var/mob/living/simple_animal/simple_parent = parent
simple_parent.stop_automated_movement = TRUE
/datum/component/riding/creature/Destroy(force, silent)
unequip_buckle_inhands(parent)
if(isanimal(parent))
var/mob/living/simple_animal/simple_parent = parent
simple_parent.stop_automated_movement = FALSE
return ..()
/datum/component/riding/creature/RegisterWithParent()
. = ..()
RegisterSignal(parent, COMSIG_MOB_EMOTE, .proc/check_emote)
if(can_be_driven)
RegisterSignal(parent, COMSIG_RIDDEN_DRIVER_MOVE, .proc/driver_move) // this isn't needed on riding humans or cyborgs since the rider can't control them
/// Creatures need to be logged when being mounted
/datum/component/riding/creature/proc/log_riding(mob/living/living_parent, mob/living/rider)
if(!istype(living_parent) || !istype(rider))
return
living_parent.log_message("is now being ridden by [rider]", LOG_ATTACK, color="pink")
rider.log_message("started riding [living_parent]", LOG_ATTACK, color="pink")
// this applies to humans and most creatures, but is replaced again for cyborgs
/datum/component/riding/creature/ride_check(mob/living/rider)
var/mob/living/living_parent = parent
var/kick_us_off
if(living_parent.body_position != STANDING_UP) // if we move while on the ground, the rider falls off
kick_us_off = TRUE
// for piggybacks and (redundant?) borg riding, check if the rider is stunned/restrained
else if((ride_check_flags & RIDER_NEEDS_ARMS) && (HAS_TRAIT(rider, TRAIT_RESTRAINED) || rider.incapacitated(TRUE, TRUE)))
kick_us_off = TRUE
// for fireman carries, check if the ridden is stunned/restrained
else if((ride_check_flags & CARRIER_NEEDS_ARM) && (HAS_TRAIT(living_parent, TRAIT_RESTRAINED) || living_parent.incapacitated(TRUE, TRUE)))
kick_us_off = TRUE
if(!kick_us_off)
return TRUE
rider.visible_message(span_warning("[rider] falls off of [living_parent]!"), \
span_warning("You fall off of [living_parent]!"))
rider.Paralyze(1 SECONDS)
rider.Knockdown(4 SECONDS)
living_parent.unbuckle_mob(rider)
/datum/component/riding/creature/vehicle_mob_buckle(datum/source, mob/living/rider, force = FALSE)
// Ensure that the /mob/post_buckle_mob(mob/living/M) does not mess us up with layers
// If we do not do this override we'll be stuck with the above proc (+ 0.1)-ing our rider's layer incorrectly
rider.layer = initial(rider.layer)
return ..()
/datum/component/riding/creature/vehicle_mob_unbuckle(mob/living/living_parent, mob/living/former_rider, force = FALSE)
if(istype(living_parent) && istype(former_rider))
living_parent.log_message("is no longer being ridden by [former_rider]", LOG_ATTACK, color="pink")
former_rider.log_message("is no longer riding [living_parent]", LOG_ATTACK, color="pink")
remove_abilities(former_rider)
// We gotta reset those layers at some point, don't we?
former_rider.layer = MOB_LAYER
living_parent.layer = MOB_LAYER
return ..()
/datum/component/riding/creature/driver_move(atom/movable/movable_parent, mob/living/user, direction)
if(!COOLDOWN_FINISHED(src, vehicle_move_cooldown))
return COMPONENT_DRIVER_BLOCK_MOVE
if(!keycheck(user))
if(ispath(keytype, /obj/item))
var/obj/item/key = keytype
to_chat(user, span_warning("You need a [initial(key.name)] to ride [movable_parent]!"))
return COMPONENT_DRIVER_BLOCK_MOVE
var/mob/living/living_parent = parent
var/turf/next = get_step(living_parent, direction)
step(living_parent, direction)
last_move_diagonal = ((direction & (direction - 1)) && (living_parent.loc == next))
COOLDOWN_START(src, vehicle_move_cooldown, (last_move_diagonal? 2 : 1) * vehicle_move_delay)
/// Yeets the rider off, used for animals and cyborgs, redefined for humans who shove their piggyback rider off
/datum/component/riding/creature/proc/force_dismount(mob/living/rider, gentle = FALSE)
var/atom/movable/movable_parent = parent
movable_parent.unbuckle_mob(rider)
if(!isanimal(movable_parent) && !iscyborg(movable_parent))
return
var/turf/target = get_edge_target_turf(movable_parent, movable_parent.dir)
var/turf/targetm = get_step(get_turf(movable_parent), movable_parent.dir)
rider.Move(targetm)
rider.Knockdown(3 SECONDS)
if(gentle)
rider.visible_message(span_warning("[rider] is thrown clear of [movable_parent]!"), \
span_warning("You're thrown clear of [movable_parent]!"))
rider.throw_at(target, 8, 3, movable_parent, gentle = TRUE)
else
rider.visible_message(span_warning("[rider] is thrown violently from [movable_parent]!"), \
span_warning("You're thrown violently from [movable_parent]!"))
rider.throw_at(target, 14, 5, movable_parent, gentle = FALSE)
/// If we're a cyborg or animal and we spin, we yeet whoever's on us off us
/datum/component/riding/creature/proc/check_emote(mob/living/user, datum/emote/emote)
SIGNAL_HANDLER
if((!iscyborg(user) && !isanimal(user)) || !istype(emote, /datum/emote/spin))
return
for(var/mob/yeet_mob in user.buckled_mobs)
force_dismount(yeet_mob, (!user.combat_mode)) // gentle on help, byeeee if not
/// If the ridden creature has abilities, and some var yet to be made is set to TRUE, the rider will be able to control those abilities
/datum/component/riding/creature/proc/setup_abilities(mob/living/M)
var/mob/living/ridden_creature = parent
for(var/i in ridden_creature.abilities)
var/obj/effect/proc_holder/proc_holder = i
M.AddAbility(proc_holder)
/// Takes away the riding parent's abilities from the rider
/datum/component/riding/creature/proc/remove_abilities(mob/living/M)
if(!istype(parent, /mob/living))
return
var/mob/living/ridden_creature = parent
for(var/i in ridden_creature.abilities)
var/obj/effect/proc_holder/proc_holder = i
M.RemoveAbility(proc_holder)
///////Yes, I said humans. No, this won't end well...//////////
/datum/component/riding/creature/human
can_be_driven = FALSE
/datum/component/riding/creature/human/Initialize(mob/living/riding_mob, force = FALSE, ride_check_flags = NONE, potion_boost = FALSE)
. = ..()
var/mob/living/carbon/human/human_parent = parent
human_parent.add_movespeed_modifier(/datum/movespeed_modifier/human_carry)
if(ride_check_flags & RIDER_NEEDS_ARMS) // piggyback
human_parent.buckle_lying = 0
// the riding mob is made nondense so they don't bump into any dense atoms the carrier is pulling,
// since pulled movables are moved before buckled movables
riding_mob.set_density(FALSE)
else if(ride_check_flags & CARRIER_NEEDS_ARM) // fireman
human_parent.buckle_lying = 90
/datum/component/riding/creature/human/RegisterWithParent()
. = ..()
RegisterSignal(parent, COMSIG_HUMAN_EARLY_UNARMED_ATTACK, .proc/on_host_unarmed_melee)
RegisterSignal(parent, COMSIG_LIVING_SET_BODY_POSITION, .proc/check_carrier_fall_over)
/datum/component/riding/creature/human/log_riding(mob/living/living_parent, mob/living/rider)
if(!istype(living_parent) || !istype(rider))
return
if(ride_check_flags & RIDER_NEEDS_ARMS) // piggyback
living_parent.log_message("started giving [rider] a piggyback ride", LOG_ATTACK, color="pink")
rider.log_message("started piggyback riding [living_parent]", LOG_ATTACK, color="pink")
else if(ride_check_flags & CARRIER_NEEDS_ARM) // fireman
living_parent.log_message("started fireman carrying [rider]", LOG_ATTACK, color="pink")
rider.log_message("was fireman carried by [living_parent]", LOG_ATTACK, color="pink")
/datum/component/riding/creature/human/vehicle_mob_unbuckle(datum/source, mob/living/former_rider, force = FALSE)
unequip_buckle_inhands(parent)
var/mob/living/carbon/human/H = parent
H.remove_movespeed_modifier(/datum/movespeed_modifier/human_carry)
former_rider.set_density(!former_rider.body_position)
return ..()
/// If the carrier shoves the person they're carrying, force the carried mob off
/datum/component/riding/creature/human/proc/on_host_unarmed_melee(mob/living/carbon/human/human_parent, atom/target, proximity, modifiers)
SIGNAL_HANDLER
if(LAZYACCESS(modifiers, RIGHT_CLICK) && (target in human_parent.buckled_mobs))
force_dismount(target)
return COMPONENT_CANCEL_ATTACK_CHAIN
/// If the carrier gets knocked over, force the rider(s) off and see if someone got hurt
/datum/component/riding/creature/human/proc/check_carrier_fall_over(mob/living/carbon/human/human_parent)
SIGNAL_HANDLER
for(var/i in human_parent.buckled_mobs)
var/mob/living/rider = i
human_parent.unbuckle_mob(rider)
rider.Paralyze(1 SECONDS)
rider.Knockdown(4 SECONDS)
human_parent.visible_message(span_danger("[rider] topples off of [human_parent] as they both fall to the ground!"), \
span_warning("You fall to the ground, bringing [rider] with you!"), span_hear("You hear two consecutive thuds."), COMBAT_MESSAGE_RANGE, ignored_mobs=rider)
to_chat(rider, span_danger("[human_parent] falls to the ground, bringing you with [human_parent.p_them()]!"))
/datum/component/riding/creature/human/handle_vehicle_layer(dir)
var/atom/movable/AM = parent
if(!AM.buckled_mobs || !AM.buckled_mobs.len)
AM.layer = MOB_LAYER
return
for(var/mob/M in AM.buckled_mobs) //ensure proper layering of piggyback and carry, sometimes weird offsets get applied
M.layer = MOB_LAYER
if(!AM.buckle_lying) // rider is vertical, must be piggybacking
if(dir == SOUTH)
AM.layer = MOB_ABOVE_PIGGYBACK_LAYER
else
AM.layer = MOB_BELOW_PIGGYBACK_LAYER
else // laying flat, we must be firemanning the rider
if(dir == NORTH)
AM.layer = MOB_BELOW_PIGGYBACK_LAYER
else
AM.layer = MOB_ABOVE_PIGGYBACK_LAYER
/datum/component/riding/creature/human/get_offsets(pass_index)
var/mob/living/carbon/human/H = parent
if(H.buckle_lying)
return list(TEXT_NORTH = list(0, 6), TEXT_SOUTH = list(0, 6), TEXT_EAST = list(0, 6), TEXT_WEST = list(0, 6))
else
return list(TEXT_NORTH = list(0, 6), TEXT_SOUTH = list(0, 6), TEXT_EAST = list(-6, 4), TEXT_WEST = list( 6, 4))
/datum/component/riding/creature/human/force_dismount(mob/living/dismounted_rider)
var/atom/movable/AM = parent
AM.unbuckle_mob(dismounted_rider)
dismounted_rider.Paralyze(1 SECONDS)
dismounted_rider.Knockdown(4 SECONDS)
dismounted_rider.visible_message(span_warning("[AM] pushes [dismounted_rider] off of [AM.p_them()]!"), \
span_warning("[AM] pushes you off of [AM.p_them()]!"))
//Now onto cyborg riding//
/datum/component/riding/creature/cyborg
can_be_driven = FALSE
/datum/component/riding/creature/cyborg/ride_check(mob/living/user)
var/mob/living/silicon/robot/robot_parent = parent
if(!iscarbon(user))
return
var/mob/living/carbon/carbonuser = user
if(!carbonuser.usable_hands)
Unbuckle(user)
to_chat(user, span_warning("You can't grab onto [robot_parent] with no hands!"))
/datum/component/riding/creature/cyborg/handle_vehicle_layer(dir)
var/atom/movable/robot_parent = parent
if(dir == SOUTH)
robot_parent.layer = MOB_ABOVE_PIGGYBACK_LAYER
else
robot_parent.layer = MOB_BELOW_PIGGYBACK_LAYER
/datum/component/riding/creature/cyborg/get_offsets(pass_index) // list(dir = x, y, layer)
return list(TEXT_NORTH = list(0, 4), TEXT_SOUTH = list(0, 4), TEXT_EAST = list(-6, 3), TEXT_WEST = list( 6, 3))
/datum/component/riding/creature/cyborg/handle_vehicle_offsets(dir)
var/mob/living/silicon/robot/robot_parent = parent
for(var/mob/living/rider in robot_parent.buckled_mobs)
rider.setDir(dir)
if(istype(robot_parent.model))
rider.pixel_x = robot_parent.model.ride_offset_x[dir2text(dir)]
rider.pixel_y = robot_parent.model.ride_offset_y[dir2text(dir)]
//now onto every other ridable mob//
/datum/component/riding/creature/mulebot/handle_specials()
. = ..()
var/atom/movable/movable_parent = parent
set_riding_offsets(RIDING_OFFSET_ALL, list(TEXT_NORTH = list(0, 12), TEXT_SOUTH = list(0, 12), TEXT_EAST = list(0, 12), TEXT_WEST = list(0, 12)))
set_vehicle_dir_layer(SOUTH, movable_parent.layer) //vehicles default to ABOVE_MOB_LAYER while moving, let's make sure that doesn't happen while a mob is riding us.
set_vehicle_dir_layer(NORTH, movable_parent.layer)
set_vehicle_dir_layer(EAST, movable_parent.layer)
set_vehicle_dir_layer(WEST, movable_parent.layer)
/datum/component/riding/creature/cow/handle_specials()
. = ..()
set_riding_offsets(RIDING_OFFSET_ALL, list(TEXT_NORTH = list(0, 8), TEXT_SOUTH = list(0, 8), TEXT_EAST = list(-2, 8), TEXT_WEST = list(2, 8)))
set_vehicle_dir_layer(SOUTH, ABOVE_MOB_LAYER)
set_vehicle_dir_layer(NORTH, OBJ_LAYER)
set_vehicle_dir_layer(EAST, OBJ_LAYER)
set_vehicle_dir_layer(WEST, OBJ_LAYER)
/datum/component/riding/creature/bear/handle_specials()
. = ..()
set_riding_offsets(RIDING_OFFSET_ALL, list(TEXT_NORTH = list(1, 8), TEXT_SOUTH = list(1, 8), TEXT_EAST = list(-3, 6), TEXT_WEST = list(3, 6)))
set_vehicle_dir_layer(SOUTH, ABOVE_MOB_LAYER)
set_vehicle_dir_layer(NORTH, OBJ_LAYER)
set_vehicle_dir_layer(EAST, ABOVE_MOB_LAYER)
set_vehicle_dir_layer(WEST, ABOVE_MOB_LAYER)
/datum/component/riding/creature/carp
override_allow_spacemove = TRUE
/datum/component/riding/creature/carp/handle_specials()
. = ..()
set_riding_offsets(RIDING_OFFSET_ALL, list(TEXT_NORTH = list(0, 13), TEXT_SOUTH = list(0, 15), TEXT_EAST = list(-2, 12), TEXT_WEST = list(2, 12)))
set_vehicle_dir_layer(SOUTH, ABOVE_MOB_LAYER)
set_vehicle_dir_layer(NORTH, OBJ_LAYER)
set_vehicle_dir_layer(EAST, OBJ_LAYER)
set_vehicle_dir_layer(WEST, OBJ_LAYER)
/datum/component/riding/creature/megacarp/handle_specials()
. = ..()
var/atom/movable/movable_parent = parent
set_riding_offsets(RIDING_OFFSET_ALL, list(TEXT_NORTH = list(1, 8), TEXT_SOUTH = list(1, 8), TEXT_EAST = list(-3, 6), TEXT_WEST = list(3, 6)))
set_vehicle_dir_offsets(SOUTH, movable_parent.pixel_x, 0)
set_vehicle_dir_offsets(NORTH, movable_parent.pixel_x, 0)
set_vehicle_dir_offsets(EAST, movable_parent.pixel_x, 0)
set_vehicle_dir_offsets(WEST, movable_parent.pixel_x, 0)
set_vehicle_dir_layer(SOUTH, ABOVE_MOB_LAYER)
set_vehicle_dir_layer(NORTH, OBJ_LAYER)
set_vehicle_dir_layer(EAST, OBJ_LAYER)
set_vehicle_dir_layer(WEST, OBJ_LAYER)
/datum/component/riding/creature/vatbeast
override_allow_spacemove = TRUE
can_use_abilities = TRUE
/datum/component/riding/creature/vatbeast/handle_specials()
. = ..()
set_riding_offsets(RIDING_OFFSET_ALL, list(TEXT_NORTH = list(0, 15), TEXT_SOUTH = list(0, 15), TEXT_EAST = list(-10, 15), TEXT_WEST = list(10, 15)))
set_vehicle_dir_layer(SOUTH, ABOVE_MOB_LAYER)
set_vehicle_dir_layer(NORTH, OBJ_LAYER)
set_vehicle_dir_layer(EAST, OBJ_LAYER)
set_vehicle_dir_layer(WEST, OBJ_LAYER)
/datum/component/riding/creature/goliath
keytype = /obj/item/key/lasso
/datum/component/riding/creature/goliath/handle_specials()
. = ..()
set_riding_offsets(RIDING_OFFSET_ALL, list(TEXT_NORTH = list(0, 8), TEXT_SOUTH = list(0, 8), TEXT_EAST = list(-2, 8), TEXT_WEST = list(2, 8)))
set_vehicle_dir_layer(SOUTH, ABOVE_MOB_LAYER)
set_vehicle_dir_layer(NORTH, OBJ_LAYER)
set_vehicle_dir_layer(EAST, OBJ_LAYER)
set_vehicle_dir_layer(WEST, OBJ_LAYER)
/datum/component/riding/creature/glutton/handle_specials()
. = ..()
var/atom/movable/movable_parent = parent
set_riding_offsets(RIDING_OFFSET_ALL, list(TEXT_NORTH = list(0, 24), TEXT_SOUTH = list(0, 24), TEXT_EAST = list(-16, 24), TEXT_WEST = list(16, 24)))
set_vehicle_dir_layer(SOUTH, ABOVE_MOB_LAYER)
set_vehicle_dir_layer(NORTH, OBJ_LAYER)
set_vehicle_dir_layer(EAST, ABOVE_MOB_LAYER)
set_vehicle_dir_layer(WEST, ABOVE_MOB_LAYER)
set_vehicle_dir_offsets(SOUTH, movable_parent.pixel_x, 0)
set_vehicle_dir_offsets(NORTH, movable_parent.pixel_x, 0)
set_vehicle_dir_offsets(EAST, movable_parent.pixel_x, 0)
set_vehicle_dir_offsets(WEST, movable_parent.pixel_x, 0)
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