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Sound fixes

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This commit is contained in:
mwerezak
2014-07-28 14:09:16 -04:00
parent f7cfe55867
commit e104647404
1 changed files with 29 additions and 17 deletions
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46
code/game/sound.dm
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@@ -31,17 +31,7 @@ var/list/page_sound = list('sound/effects/pageturn1.ogg', 'sound/effects/pagetur
var/turf/T = get_turf(M)
if(T && T.z == turf_source.z)
//check that the air can transmit sound
var/datum/gas_mixture/environment = T.return_air()
if (!environment || environment.return_pressure() < SOUND_MINIMUM_PRESSURE)
if (distance > 1)
continue
var/new_frequency = 32000 + (frequency - 32000)*0.125 //lower the frequency. very rudimentary
var/new_volume = vol*0.15 //muffle the sound, like we're hearing through contact
M.playsound_local(turf_source, soundin, new_volume, vary, new_frequency, falloff, is_global)
else
M.playsound_local(turf_source, soundin, vol, vary, frequency, falloff, is_global)
M.playsound_local(turf_source, soundin, vol, vary, frequency, falloff, is_global)
var/const/FALLOFF_SOUNDS = 0.5
@@ -63,12 +53,34 @@ var/const/FALLOFF_SOUNDS = 0.5
if(isturf(turf_source))
// 3D sounds, the technology is here!
var/turf/T = get_turf(src)
S.volume -= get_dist(T, turf_source) * 2 //multiplicative falloff to add on top of natural audio falloff.
var/datum/gas_mixture/environment = T.return_air()
if(get_dist(T, turf_source) > 2)
S.volume -= environment.return_pressure()/100 + 1
if (S.volume < 0)
S.volume = 0
//sound volume falloff with distance
var/distance = get_dist(T, turf_source)
S.volume -= max(distance - world.view, 0) * 2 //multiplicative falloff to add on top of natural audio falloff.
//sound volume falloff with pressure
var/pressure_factor = 1.0
var/datum/gas_mixture/hearer_env = T.return_air()
var/datum/gas_mixture/source_env = turf_source.return_air()
if (hearer_env && source_env)
var/pressure = min(hearer_env.return_pressure(), source_env.return_pressure())
if (pressure < ONE_ATMOSPHERE)
pressure_factor = max((pressure - SOUND_MINIMUM_PRESSURE)/(ONE_ATMOSPHERE - SOUND_MINIMUM_PRESSURE), 0)
else //in space
pressure_factor = 0
if (distance <= 1)
pressure_factor = max(pressure_factor, 0.15) //hearing through contact
S.volume *= pressure_factor
if (S.volume <= 0)
return //no volume means no sound
var/dx = turf_source.x - T.x // Hearing from the right/left
S.x = dx
var/dz = turf_source.y - T.y // Hearing from infront/behind