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https://github.com/Aurorastation/Aurora.3.git
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101 lines
3.0 KiB
Plaintext
101 lines
3.0 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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/datum/orbit/New(_orbiter, _orbiting, _lock)
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orbiter = _orbiter
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orbiting = _orbiting
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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 = 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)
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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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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.forceMove(targetloc)
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lastloc = orbiter.loc
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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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var/matrix/initial_transform = matrix(transform)
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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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//we stack the orbits up client side, so we can assign this back to normal server side without it breaking the orbit
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transform = initial_transform
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/atom/movable/proc/stop_orbit()
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SpinAnimation(0,0)
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qdel(orbiting)
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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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