mirror of
https://github.com/CHOMPStation2/CHOMPStation2.git
synced 2025-12-10 18:22:39 +00:00
6fcd225bfa
Co-authored-by: Kashargul <144968721+Kashargul@users.noreply.github.com> Co-authored-by: Cameron Lennox <killer65311@gmail.com>
131 lines
3.8 KiB
Plaintext
131 lines
3.8 KiB
Plaintext
/datum/orbit
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var/atom/movable/orbiter
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var/atom/orbiting
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var/lock = TRUE
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var/turf/lastloc
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var/lastprocess
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var/matrix/init_transform
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/datum/orbit/New(var/atom/movable/_orbiter, var/atom/_orbiting, _lock)
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orbiter = _orbiter
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orbiting = _orbiting
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init_transform = _orbiter.transform
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SSorbit.processing += src
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if (!orbiting.orbiters)
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orbiting.orbiters = list()
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orbiting.orbiters += src
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if (orbiter.orbiting)
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orbiter.stop_orbit()
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orbiter.orbiting = src
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Check()
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lock = _lock
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//do not qdel directly, use stop_orbit on the orbiter. (This way the orbiter can bind to the orbit stopping)
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/datum/orbit/Destroy(force = FALSE)
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SSorbit.processing -= src
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if (orbiter)
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orbiter.orbiting = null
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orbiter.transform = init_transform
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orbiter = null
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if (orbiting)
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if (orbiting.orbiters)
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orbiting.orbiters -= src
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if (!orbiting.orbiters.len)//we are the last orbit, delete the list
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orbiting.orbiters = null
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orbiting = null
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return ..()
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/datum/orbit/proc/Check(turf/targetloc, list/checked_already = list())
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//Avoid infinite loops for people who end up orbiting themself through another orbiter
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checked_already[src] = TRUE
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if (!orbiter)
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qdel(src)
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return
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if (!orbiting)
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orbiter.stop_orbit()
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return
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if (!orbiter.orbiting) //admin wants to stop the orbit.
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orbiter.orbiting = src //set it back to us first
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orbiter.stop_orbit()
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var/atom/movable/AM = orbiting
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if(istype(AM) && AM.orbiting && AM.orbiting.orbiting == orbiter)
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orbiter.stop_orbit()
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return
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lastprocess = world.time
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if (!targetloc)
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targetloc = get_turf(orbiting)
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if (!targetloc || (!lock && orbiter.loc != lastloc && orbiter.loc != targetloc))
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orbiter.stop_orbit()
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return
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orbiter.loc = targetloc
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//TODO-LESH-DEL orbiter.update_parallax_contents()
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orbiter.update_light()
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lastloc = orbiter.loc
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for(var/other_orbit in orbiter.orbiters)
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var/datum/orbit/OO = other_orbit
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//Skip if checked already
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if(checked_already[OO])
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continue
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OO.Check(targetloc, checked_already)
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/atom/movable/var/datum/orbit/orbiting = null
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/atom/var/list/orbiters = null
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//A: atom to orbit
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//radius: range to orbit at, radius of the circle formed by orbiting (in pixels)
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//clockwise: whether you orbit clockwise or anti clockwise
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//rotation_speed: how fast to rotate (how many ds should it take for a rotation to complete)
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//rotation_segments: the resolution of the orbit circle, less = a more block circle, this can be used to produce hexagons (6 segments) triangles (3 segments), and so on, 36 is the best default.
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//pre_rotation: Chooses to rotate src 90 degress towards the orbit dir (clockwise/anticlockwise), useful for things to go "head first" like ghosts
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//lockinorbit: Forces src to always be on A's turf, otherwise the orbit cancels when src gets too far away (eg: ghosts)
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/atom/movable/proc/orbit(atom/A, radius = 10, clockwise = FALSE, rotation_speed = 20, rotation_segments = 36, pre_rotation = TRUE, lockinorbit = FALSE)
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if (!istype(A))
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return
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new/datum/orbit(src, A, lockinorbit)
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if (!orbiting) //something failed, and our orbit datum deleted itself
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return
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//Head first!
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if (pre_rotation)
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var/matrix/M = matrix(transform)
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var/pre_rot = 90
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if(!clockwise)
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pre_rot = -90
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M.Turn(pre_rot)
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transform = M
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var/matrix/shift = matrix(transform)
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shift.Translate(0,radius)
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transform = shift
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SpinAnimation(rotation_speed, -1, clockwise, rotation_segments)
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/atom/movable/proc/stop_orbit()
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SpinAnimation(0,0)
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QDEL_NULL(orbiting)
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/atom/Destroy(force = FALSE)
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. = ..()
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if (orbiters)
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for(var/datum/orbit/O as anything in orbiters)
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if (O.orbiter)
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O.orbiter.stop_orbit()
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orbiters = null
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/atom/movable/Destroy(force = FALSE)
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. = ..()
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if (orbiting)
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stop_orbit()
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/*
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/atom/movable/proc/transfer_observers_to(atom/movable/target)
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if(orbiters)
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for(var/datum/orbit/O as anything in orbiters)
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if(O.orbiter && isobserver(O.orbiter))
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var/mob/dead/observer/D = O.orbiter
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D.ManualFollow(target)
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*/
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