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SyncIt21 f640a0e972 Enhances algorithm for finding an atom mount (#94076)
## About The Pull Request
Depends on #94064 for the unit test but offers a better method for
finding an atom to mount on
- Finding a mount now takes into consideration the objects pixel x & y
offsets meaning diagonal mounting is now supported. Gives great
flexibility for mappers
- If you don't want to use pixel offsets but default back to using the
objects direction that behaviour is still preserved. Useful if your
object uses directional icon states(lights & cameras for now) AND don't
use offsets
- If no direction could be specified then as the last resort it defaults
back to the objects local turf for mounting

## Changelog
🆑
fix: all mounted objects on tables, fences, windows & walls should fall
of correctly when the atom it is placed on is destroyed
fix: security telescreen now falls off when their mounted wall is
destroyed
fix: defib wall mount falls off when their mounted wall is destroyed
fix: floor lights are mounted to the ground/catwalk/tram floor they are
sitting on meaning destroying it will destroy the light
fix: wall mounted plaques now fall off when their mounted wall is
destroyed
/🆑
2025-12-12 12:23:22 -05:00

189 lines
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/obj/structure/extinguisher_cabinet
name = "extinguisher cabinet"
desc = "A small wall mounted cabinet designed to hold a fire extinguisher."
icon = 'icons/obj/wallmounts.dmi'
icon_state = "extinguisher"
anchored = TRUE
density = FALSE
max_integrity = 200
integrity_failure = 0.25
var/obj/item/extinguisher/stored_extinguisher
var/opened = FALSE
MAPPING_DIRECTIONAL_HELPERS(/obj/structure/extinguisher_cabinet, 29)
/obj/structure/extinguisher_cabinet/Initialize(mapload)
. = ..()
if(!mapload)
opened = TRUE
else
stored_extinguisher = new /obj/item/extinguisher(src)
find_and_mount_on_atom()
update_appearance(UPDATE_ICON)
register_context()
/obj/structure/extinguisher_cabinet/add_context(atom/source, list/context, obj/item/held_item, mob/user)
. = ..()
if(isnull(held_item))
context[SCREENTIP_CONTEXT_RMB] = opened ? "Close" : "Open"
if(stored_extinguisher)
context[SCREENTIP_CONTEXT_LMB] = "Take extinguisher" //Yes, this shows whether or not it's open! Extinguishers are taken immediately on LMB click when closed
return CONTEXTUAL_SCREENTIP_SET
if(stored_extinguisher)
return NONE
if(held_item.tool_behaviour == TOOL_WRENCH)
context[SCREENTIP_CONTEXT_LMB] = "Disassemble cabinet"
return CONTEXTUAL_SCREENTIP_SET
if(istype(held_item, /obj/item/extinguisher) && opened)
context[SCREENTIP_CONTEXT_LMB] = "Insert extinguisher"
return CONTEXTUAL_SCREENTIP_SET
return .
/obj/structure/extinguisher_cabinet/Destroy()
if(stored_extinguisher)
QDEL_NULL(stored_extinguisher)
return ..()
/obj/structure/extinguisher_cabinet/contents_explosion(severity, target)
if(!stored_extinguisher)
return
switch(severity)
if(EXPLODE_DEVASTATE)
SSexplosions.high_mov_atom += stored_extinguisher
if(EXPLODE_HEAVY)
SSexplosions.med_mov_atom += stored_extinguisher
if(EXPLODE_LIGHT)
SSexplosions.low_mov_atom += stored_extinguisher
/obj/structure/extinguisher_cabinet/Exited(atom/movable/gone, direction)
if(gone == stored_extinguisher)
stored_extinguisher = null
update_appearance(UPDATE_ICON)
/obj/structure/extinguisher_cabinet/attackby(obj/item/used_item, mob/living/user, list/modifiers, list/attack_modifiers)
if(used_item.tool_behaviour == TOOL_WRENCH && !stored_extinguisher)
user.balloon_alert(user, "deconstructing cabinet...")
used_item.play_tool_sound(src)
if(used_item.use_tool(src, user, 60))
playsound(loc, 'sound/items/deconstruct.ogg', 50, TRUE)
user.balloon_alert(user, "cabinet deconstructed")
deconstruct(TRUE)
return
if(iscyborg(user) || isalien(user))
return
if(istype(used_item, /obj/item/extinguisher))
if(!stored_extinguisher && opened)
if(!user.transferItemToLoc(used_item, src))
return
stored_extinguisher = used_item
user.balloon_alert(user, "extinguisher stored")
update_appearance(UPDATE_ICON)
return TRUE
else
toggle_cabinet(user)
else if(!user.combat_mode)
toggle_cabinet(user)
else
return ..()
/obj/structure/extinguisher_cabinet/attack_hand(mob/user, list/modifiers)
. = ..()
if(.)
return
if(iscyborg(user) || isalien(user))
return
if(stored_extinguisher)
user.put_in_hands(stored_extinguisher)
user.balloon_alert(user, "extinguisher removed")
if(!opened)
opened = 1
playsound(loc, 'sound/machines/click.ogg', 15, TRUE, -3)
update_appearance(UPDATE_ICON)
else
toggle_cabinet(user)
/obj/structure/extinguisher_cabinet/attack_hand_secondary(mob/living/user)
if(!user.can_perform_action(src, NEED_DEXTERITY|NEED_HANDS|ALLOW_RESTING))
return ..()
toggle_cabinet(user)
return SECONDARY_ATTACK_CANCEL_ATTACK_CHAIN
/obj/structure/extinguisher_cabinet/attack_tk(mob/user)
. = COMPONENT_CANCEL_ATTACK_CHAIN
if(stored_extinguisher)
stored_extinguisher.forceMove(loc)
to_chat(user, span_notice("You telekinetically remove [stored_extinguisher] from [src]."))
stored_extinguisher = null
opened = TRUE
playsound(loc, 'sound/machines/click.ogg', 15, TRUE, -3)
update_appearance(UPDATE_ICON)
return
toggle_cabinet(user)
/obj/structure/extinguisher_cabinet/attack_paw(mob/user, list/modifiers)
return attack_hand(user, modifiers)
/obj/structure/extinguisher_cabinet/proc/toggle_cabinet(mob/user)
if(opened && broken)
user.balloon_alert(user, "it's broken!")
else
playsound(loc, 'sound/machines/click.ogg', 15, TRUE, -3)
opened = !opened
update_appearance(UPDATE_ICON)
/obj/structure/extinguisher_cabinet/update_icon_state()
icon_state = "extinguisher"
if(isnull(stored_extinguisher))
icon_state += ""
else if(istype(stored_extinguisher, /obj/item/extinguisher/mini))
icon_state += "_mini"
else if(istype(stored_extinguisher, /obj/item/extinguisher/advanced))
icon_state += "_advanced"
else if(istype(stored_extinguisher, /obj/item/extinguisher/crafted))
icon_state += "_crafted"
else if(istype(stored_extinguisher, /obj/item/extinguisher))
icon_state += "_default"
return ..()
/obj/structure/extinguisher_cabinet/update_overlays()
. = ..()
. += mutable_appearance(icon, opened ? "door_open" : "door")
/obj/structure/extinguisher_cabinet/atom_break(damage_flag)
. = ..()
if(!broken)
broken = 1
opened = 1
if(stored_extinguisher)
stored_extinguisher.forceMove(loc)
stored_extinguisher = null
update_appearance(UPDATE_ICON)
/obj/structure/extinguisher_cabinet/atom_deconstruct(disassembled = TRUE)
if(disassembled)
new /obj/item/wallframe/extinguisher_cabinet(loc)
else
new /obj/item/stack/sheet/iron (loc, 2)
if(stored_extinguisher)
stored_extinguisher.forceMove(loc)
stored_extinguisher = null
/obj/item/wallframe/extinguisher_cabinet
name = "extinguisher cabinet frame"
desc = "Used for building wall-mounted extinguisher cabinets."
icon = 'icons/obj/wallmounts.dmi'
icon_state = "extinguisher" //Reuses wallmount icon, but no door overlay
result_path = /obj/structure/extinguisher_cabinet
pixel_shift = 29