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kiwistation/code/datums/components/footstep.dm
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Qustinnus 74755a5a3a Audio falloff re-work, and increased audio range. (#54362)
imo; the ss13 audio-scape is quite barren, you can only hear most things if you can see them, which in my opinion doesn't make much sense. This changes that so you can hear further away, but falloff is much higher, so in reality you will only hear things relatively quietly when they're out of sight.

This PR increases the hearing distance of most sound by 9, excluding sounds such as antag items that are meant to be used stealthily

This PR also replaces Byond's inbuilt falloff system with something I made, (And thanks to potato for helping me throw together a formula for it). This fall-off system makes sound fall off more naturally, with sounds being full volume within a certain range, and then softly falling off until they are completely quiet. This makes for a smoother transition between "This sound is full volume" and "I dont hear this sound".

Co-authored-by: ff <ff>
2020-10-20 17:14:16 -07:00

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///Footstep component. Plays footsteps at parents location when it is appropriate.
/datum/component/footstep
///How many steps the parent has taken since the last time a footstep was played.
var/steps = 0
///volume determines the extra volume of the footstep. This is multiplied by the base volume, should there be one.
var/volume
///e_range stands for extra range - aka how far the sound can be heard. This is added to the base value and ignored if there isn't a base value.
var/e_range
///footstep_type is a define which determines what kind of sounds should get chosen.
var/footstep_type
///This can be a list OR a soundfile OR null. Determines whatever sound gets played.
var/footstep_sounds
/datum/component/footstep/Initialize(footstep_type_ = FOOTSTEP_MOB_BAREFOOT, volume_ = 0.5, e_range_ = -8)
if(!isliving(parent))
return COMPONENT_INCOMPATIBLE
volume = volume_
e_range = e_range_
footstep_type = footstep_type_
switch(footstep_type)
if(FOOTSTEP_MOB_HUMAN)
if(!ishuman(parent))
return COMPONENT_INCOMPATIBLE
RegisterSignal(parent, list(COMSIG_MOVABLE_MOVED), .proc/play_humanstep)
return
if(FOOTSTEP_MOB_CLAW)
footstep_sounds = GLOB.clawfootstep
if(FOOTSTEP_MOB_BAREFOOT)
footstep_sounds = GLOB.barefootstep
if(FOOTSTEP_MOB_HEAVY)
footstep_sounds = GLOB.heavyfootstep
if(FOOTSTEP_MOB_SHOE)
footstep_sounds = GLOB.footstep
if(FOOTSTEP_MOB_SLIME)
footstep_sounds = 'sound/effects/footstep/slime1.ogg'
RegisterSignal(parent, list(COMSIG_MOVABLE_MOVED), .proc/play_simplestep) //Note that this doesn't get called for humans.
///Prepares a footstep. Determines if it should get played. Returns the turf it should get played on. Note that it is always a /turf/open
/datum/component/footstep/proc/prepare_step()
var/turf/open/T = get_turf(parent)
if(!istype(T))
return
var/mob/living/LM = parent
if(!T.footstep || LM.buckled || LM.throwing || LM.movement_type & (VENTCRAWLING | FLYING) || HAS_TRAIT(LM, TRAIT_IMMOBILIZED))
return
if(LM.body_position == LYING_DOWN) //play crawling sound if we're lying
playsound(T, 'sound/effects/footstep/crawl1.ogg', 15 * volume, falloff_distance = 1)
return
if(iscarbon(LM))
var/mob/living/carbon/C = LM
if(!C.get_bodypart(BODY_ZONE_L_LEG) && !C.get_bodypart(BODY_ZONE_R_LEG))
return
if(C.m_intent == MOVE_INTENT_WALK)
return// stealth
steps++
if(steps >= 6)
steps = 0
if(steps % 2)
return
if(steps != 0 && !LM.has_gravity(T)) // don't need to step as often when you hop around
return
return T
/datum/component/footstep/proc/play_simplestep()
SIGNAL_HANDLER
var/turf/open/T = prepare_step()
if(!T)
return
if(isfile(footstep_sounds) || istext(footstep_sounds))
playsound(T, footstep_sounds, volume, falloff_distance = 1)
return
var/turf_footstep
switch(footstep_type)
if(FOOTSTEP_MOB_CLAW)
turf_footstep = T.clawfootstep
if(FOOTSTEP_MOB_BAREFOOT)
turf_footstep = T.barefootstep
if(FOOTSTEP_MOB_HEAVY)
turf_footstep = T.heavyfootstep
if(FOOTSTEP_MOB_SHOE)
turf_footstep = T.footstep
if(!turf_footstep)
return
playsound(T, pick(footstep_sounds[turf_footstep][1]), footstep_sounds[turf_footstep][2] * volume, TRUE, footstep_sounds[turf_footstep][3] + e_range, falloff_distance = 1)
/datum/component/footstep/proc/play_humanstep()
SIGNAL_HANDLER
if(HAS_TRAIT(parent, TRAIT_SILENT_FOOTSTEPS))
return
var/turf/open/T = prepare_step()
if(!T)
return
var/mob/living/carbon/human/H = parent
var/feetCover = (H.wear_suit && (H.wear_suit.body_parts_covered & FEET)) || (H.w_uniform && (H.w_uniform.body_parts_covered & FEET))
if(H.shoes || feetCover) //are we wearing shoes
playsound(T, pick(GLOB.footstep[T.footstep][1]),
GLOB.footstep[T.footstep][2] * volume,
TRUE,
GLOB.footstep[T.footstep][3] + e_range, falloff_distance = 1)
else
if(H.dna.species.special_step_sounds)
playsound(T, pick(H.dna.species.special_step_sounds), 50, TRUE, falloff_distance = 1)
else
playsound(T, pick(GLOB.barefootstep[T.barefootstep][1]),
GLOB.barefootstep[T.barefootstep][2] * volume,
TRUE,
GLOB.barefootstep[T.barefootstep][3] + e_range, falloff_distance = 1)