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Paradise/code/game/objects/explosion.dm

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//TODO: Flash range does nothing currently
//A very crude linear approximatiaon of pythagoras theorem.
/proc/cheap_pythag(var/dx, var/dy)
dx = abs(dx); dy = abs(dy);
if(dx>=dy) return dx + (0.5*dy) //The longest side add half the shortest side approximates the hypotenuse
else return dy + (0.5*dx)
proc/explosion(turf/epicenter, devastation_range, heavy_impact_range, light_impact_range, flash_range, adminlog = 1)
spawn(0)
var/start = world.timeofday
epicenter = get_turf(epicenter)
if(!epicenter) return
if(adminlog)
message_admins("Explosion with size ([devastation_range], [heavy_impact_range], [light_impact_range]) in area [epicenter.loc.name] ([epicenter.x],[epicenter.y],[epicenter.z])")
log_game("Explosion with size ([devastation_range], [heavy_impact_range], [light_impact_range]) in area [epicenter.loc.name] ")
playsound(epicenter, 'explosionfar.ogg', 100, 1, round(devastation_range*2,1) )
playsound(epicenter, "explosion", 100, 1, round(devastation_range,1) )
tension_master.explosion()
if(defer_powernet_rebuild != 2)
defer_powernet_rebuild = 1
if(heavy_impact_range > 1)
var/datum/effect/system/explosion/E = new/datum/effect/system/explosion()
E.set_up(epicenter)
E.start()
var/x0 = epicenter.x
var/y0 = epicenter.y
var/z0 = epicenter.z
for(var/turf/T in range(epicenter, max(devastation_range, heavy_impact_range, light_impact_range)))
var/dist = cheap_pythag(T.x - x0,T.y - y0)
if(dist < devastation_range)
dist = 1
else if(dist < heavy_impact_range)
dist = 2
else if(dist < light_impact_range)
dist = 3
else
continue
T.ex_act(dist)
if(T)
for(var/atom/object in T.contents)
object.ex_act(dist)
if(defer_powernet_rebuild != 2)
defer_powernet_rebuild = 0
//here util we get explosions to be less laggy, might help us identify issues after changes to splosions (because let's face it we've had a few)
world.log << "## Explosion([x0],[y0],[z0])(d[devastation_range],h[heavy_impact_range],l[light_impact_range]): Took [(world.timeofday-start)/10] seconds."
return 1
proc/secondaryexplosion(turf/epicenter, range)
for(var/turf/tile in range(range, epicenter))
tile.ex_act(2)