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https://github.com/CHOMPStation2/CHOMPStation2.git
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4524b7b325
Co-authored-by: Guti <32563288+TheCaramelion@users.noreply.github.com> Co-authored-by: Kashargul <144968721+Kashargul@users.noreply.github.com>
82 lines
3.2 KiB
Plaintext
82 lines
3.2 KiB
Plaintext
///When attached, the footstep sound played by the footstep element will be replaced by this one's
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/datum/element/footstep_override
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element_flags = ELEMENT_BESPOKE|ELEMENT_DETACH_ON_HOST_DESTROY
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argument_hash_start_idx = 2
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///The sound played for movables with claw step sound type.
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var/clawfootstep
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///The sound played for movables with barefoot step sound type.
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var/barefootstep
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///The sound played for movables with heavy step sound type.
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var/heavyfootstep
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///The sound played for movables with shoed step sound type.
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var/footstep
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///The priority this element has in relation to other elements of the same type attached to other movables on the same turf.
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var/priority
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/**
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* A list of turfs occupied by the movables this element is attached to.
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* Needed so it stops listening the turf's signals ONLY when it has no movable with the element.
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*/
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var/list/occupied_turfs = list()
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/datum/element/footstep_override/Attach(atom/movable/target, clawfootstep = FOOTSTEP_HARD_CLAW, barefootstep = FOOTSTEP_HARD_BAREFOOT, heavyfootstep = FOOTSTEP_GENERIC_HEAVY, footstep = FOOTSTEP_FLOOR, priority = STEP_SOUND_NO_PRIORITY)
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. = ..()
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if(!ismovable(target))
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return ELEMENT_INCOMPATIBLE
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src.clawfootstep = clawfootstep
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src.barefootstep = barefootstep
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src.heavyfootstep = heavyfootstep
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src.footstep = footstep
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src.priority = priority
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RegisterSignal(target, COMSIG_MOVABLE_MOVED, PROC_REF(on_moved))
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if(isturf(target.loc))
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occupy_turf(target, target.loc)
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/datum/element/footstep_override/Detach(atom/movable/source)
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if(isturf(source.loc))
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vacate_turf(source, source.loc)
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return ..()
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/datum/element/footstep_override/proc/on_moved(atom/movable/source, atom/oldloc)
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SIGNAL_HANDLER
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if(isturf(oldloc))
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vacate_turf(source, oldloc)
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if(isturf(source.loc))
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occupy_turf(source, source.loc)
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/**
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* Adds the movable to the list of movables with the element occupying the turf.
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* If the turf was not on the list of occupied turfs before, a signal will be registered
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* to it.
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*/
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/datum/element/footstep_override/proc/occupy_turf(atom/movable/movable, turf/location)
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if(occupied_turfs[location])
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occupied_turfs[location] |= movable
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return
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occupied_turfs[location] = list(movable)
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RegisterSignal(location, COMSIG_TURF_PREPARE_STEP_SOUND, PROC_REF(prepare_steps))
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/**
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* Removes the movable from the list of movables with the element occupying the turf.
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* If the turf is no longer occupied, it'll be removed from the list, and the signal
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* unregistered from it
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*/
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/datum/element/footstep_override/proc/vacate_turf(atom/movable/movable, turf/location)
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LAZYREMOVE(occupied_turfs[location], movable)
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if(!occupied_turfs[location])
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occupied_turfs -= location
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UnregisterSignal(location, COMSIG_TURF_PREPARE_STEP_SOUND)
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///Changes the sound types to be played if the element priority is higher than the one in the steps list.
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/datum/element/footstep_override/proc/prepare_steps(turf/source, list/steps)
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SIGNAL_HANDLER
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if(steps[STEP_SOUND_PRIORITY] > priority)
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return
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steps[FOOTSTEP_MOB_SHOE] = footstep
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steps[FOOTSTEP_MOB_BAREFOOT] = barefootstep
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steps[FOOTSTEP_MOB_HEAVY] = heavyfootstep
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steps[FOOTSTEP_MOB_CLAW] = clawfootstep
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steps[STEP_SOUND_PRIORITY] = priority
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return FOOTSTEP_OVERRIDEN
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