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CHOMPStation2/code/unused/conveyor.dm
2014-08-25 18:54:35 +04:00

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// converyor belt
// moves items/mobs/movables in set direction every ptick
/obj/machinery/conveyor
icon = 'icons/obj/recycling.dmi'
icon_state = "conveyor0"
name = "conveyor belt"
desc = "A conveyor belt."
anchored = 1
var/operating = 0 // 1 if running forward, -1 if backwards, 0 if off
var/operable = 1 // true if can operate (no broken segments in this belt run)
var/basedir // this is the default (forward) direction, set by the map dir
// note dir var can vary when the direction changes
var/list/affecting // the list of all items that will be moved this ptick
var/id = "" // the control ID - must match controller ID
// following two only used if a diverter is present
var/divert = 0 // if non-zero, direction to divert items
var/divdir = 0 // if diverting, will be conveyer dir needed to divert (otherwise dense)
// create a conveyor
/obj/machinery/conveyor/New()
..()
basedir = dir
setdir()
// set the dir and target turf depending on the operating direction
/obj/machinery/conveyor/proc/setdir()
if(operating == -1)
dir = turn(basedir,180)
else
dir = basedir
update()
// update the icon depending on the operating condition
/obj/machinery/conveyor/proc/update()
if(stat & BROKEN)
icon_state = "conveyor-b"
operating = 0
return
if(!operable)
operating = 0
icon_state = "conveyor[(operating != 0) && !(stat & NOPOWER)]"
// machine process
// move items to the target location
/obj/machinery/conveyor/process()
if(stat & (BROKEN | NOPOWER))
return
if(!operating)
return
use_power(100)
var/movedir = dir // base movement dir
if(divert && dir==divdir) // update if diverter present
movedir = divert
affecting = loc.contents - src // moved items will be all in loc
spawn(1) // slight delay to prevent infinite propagation due to map order
var/items_moved = 0
for(var/atom/movable/A in affecting)
if(!A.anchored)
if(isturf(A.loc)) // this is to prevent an ugly bug that forces a player to drop what they're holding if they recently pick it up from the conveyer belt
if(ismob(A))
var/mob/M = A
if(M.buckled == src)
var/obj/machinery/conveyor/C = locate() in get_step(src, dir)
M.buckled = null
step(M,dir)
if(C)
M.buckled = C
else
new/obj/item/stack/cable_coil/cut(M.loc)
else
step(M,movedir)
else
step(A,movedir)
items_moved++
if(items_moved >= 10)
break
// attack with item, place item on conveyor
/obj/machinery/conveyor/attackby(var/obj/item/I, mob/user)
if(istype(I, /obj/item/weapon/grab)) // special handling if grabbing a mob
var/obj/item/weapon/grab/G = I
G.affecting.Move(src.loc)
del(G)
return
else if(istype(I, /obj/item/stack/cable_coil)) // if cable, see if a mob is present
var/mob/M = locate() in src.loc
if(M)
if (M == user)
src.visible_message("\blue [M] ties \himself to the conveyor.")
// note don't check for lying if self-tying
else
if(M.lying)
user.visible_message("\blue [M] has been tied to the conveyor by [user].", "\blue You tie [M] to the converyor!")
else
user << "\blue [M] must be lying down to be tied to the converyor!"
return
M.buckled = src
src.add_fingerprint(user)
I:use(1)
M.lying = 1
return
// else if no mob in loc, then allow coil to be placed
else if(istype(I, /obj/item/weapon/wirecutters))
var/mob/M = locate() in src.loc
if(M && M.buckled == src)
M.buckled = null
src.add_fingerprint(user)
if (M == user)
src.visible_message("\blue [M] cuts \himself free from the conveyor.")
else
src.visible_message("\blue [M] had been cut free from the conveyor by [user].")
return
if(isrobot(user))
return
// otherwise drop and place on conveyor
user.drop_item()
if(I && I.loc) I.loc = src.loc
return
// attack with hand, move pulled object onto conveyor
/obj/machinery/conveyor/attack_hand(mob/user as mob)
if ((!( user.canmove ) || user.restrained() || !( user.pulling )))
return
if (user.pulling.anchored)
return
if ((user.pulling.loc != user.loc && get_dist(user, user.pulling) > 1))
return
if (ismob(user.pulling))
var/mob/M = user.pulling
M.stop_pulling()
step(user.pulling, get_dir(user.pulling.loc, src))
user.stop_pulling()
else
step(user.pulling, get_dir(user.pulling.loc, src))
user.stop_pulling()
return
// make the conveyor broken
// also propagate inoperability to any connected conveyor with the same ID
/obj/machinery/conveyor/proc/broken()
stat |= BROKEN
update()
var/obj/machinery/conveyor/C = locate() in get_step(src, basedir)
if(C)
C.set_operable(basedir, id, 0)
C = locate() in get_step(src, turn(basedir,180))
if(C)
C.set_operable(turn(basedir,180), id, 0)
//set the operable var if ID matches, propagating in the given direction
/obj/machinery/conveyor/proc/set_operable(stepdir, match_id, op)
if(id != match_id)
return
operable = op
update()
var/obj/machinery/conveyor/C = locate() in get_step(src, stepdir)
if(C)
C.set_operable(stepdir, id, op)
/*
/obj/machinery/conveyor/verb/destroy()
set src in view()
src.broken()
*/
/obj/machinery/conveyor/power_change()
..()
update()
// converyor diverter
// extendable arm that can be switched so items on the conveyer are diverted sideways
// situate in same turf as conveyor
// only works if belts is running proper direction
//
//
/obj/machinery/diverter
icon = 'icons/obj/recycling.dmi'
icon_state = "diverter0"
name = "diverter"
desc = "A diverter arm for a conveyor belt."
anchored = 1
layer = FLY_LAYER
var/obj/machinery/conveyor/conv // the conveyor this diverter works on
var/deployed = 0 // true if diverter arm is extended
var/operating = 0 // true if arm is extending/contracting
var/divert_to // the dir that diverted items will be moved
var/divert_from // the dir items must be moving to divert
// create a diverter
// set up divert_to and divert_from directions depending on dir state
/obj/machinery/diverter/New()
..()
switch(dir)
if(NORTH)
divert_to = WEST // stuff will be moved to the west
divert_from = NORTH // if entering from the north
if(SOUTH)
divert_to = EAST
divert_from = NORTH
if(EAST)
divert_to = EAST
divert_from = SOUTH
if(WEST)
divert_to = WEST
divert_from = SOUTH
if(NORTHEAST)
divert_to = NORTH
divert_from = EAST
if(NORTHWEST)
divert_to = NORTH
divert_from = WEST
if(SOUTHEAST)
divert_to = SOUTH
divert_from = EAST
if(SOUTHWEST)
divert_to = SOUTH
divert_from = WEST
spawn(2)
// wait for map load then find the conveyor in this turf
conv = locate() in src.loc
if(conv) // divert_from dir must match possible conveyor movement
if(conv.basedir != divert_from && conv.basedir != turn(divert_from,180) )
del(src) // if no dir match, then delete self
set_divert()
update()
// update the icon state depending on whether the diverter is extended
/obj/machinery/diverter/proc/update()
icon_state = "diverter[deployed]"
// call to set the diversion vars of underlying conveyor
/obj/machinery/diverter/proc/set_divert()
if(conv)
if(deployed)
conv.divert = divert_to
conv.divdir = divert_from
else
conv.divert= 0
// *** TESTING click to toggle
/obj/machinery/diverter/Click()
toggle()
// toggle between arm deployed and not deployed, showing animation
//
/obj/machinery/diverter/proc/toggle()
if( stat & (NOPOWER|BROKEN))
return
if(operating)
return
use_power(50)
operating = 1
if(deployed)
flick("diverter10",src)
icon_state = "diverter0"
sleep(10)
deployed = 0
else
flick("diverter01",src)
icon_state = "diverter1"
sleep(10)
deployed = 1
operating = 0
update()
set_divert()
// don't allow movement into the 'backwards' direction if deployed
/obj/machinery/diverter/CanPass(atom/movable/O, var/turf/target)
var/direct = get_dir(O, target)
if(direct == divert_to) // prevent movement through body of diverter
return 0
if(!deployed)
return 1
return(direct != turn(divert_from,180))
// don't allow movement through the arm if deployed
/obj/machinery/diverter/CheckExit(atom/movable/O, var/turf/target)
var/direct = get_dir(O, target)
if(direct == turn(divert_to,180)) // prevent movement through body of diverter
return 0
if(!deployed)
return 1
return(direct != divert_from)
// the conveyor control switch
//
//
/obj/machinery/conveyor_switch
name = "conveyor switch"
desc = "A conveyor control switch."
icon = 'icons/obj/recycling.dmi'
icon_state = "switch-off"
var/position = 0 // 0 off, -1 reverse, 1 forward
var/last_pos = -1 // last direction setting
var/operated = 1 // true if just operated
var/id = "" // must match conveyor IDs to control them
var/list/conveyors // the list of converyors that are controlled by this switch
anchored = 1
/obj/machinery/conveyor_switch/New()
..()
update()
spawn(5) // allow map load
conveyors = list()
for(var/obj/machinery/conveyor/C in world)
if(C.id == id)
conveyors += C
// update the icon depending on the position
/obj/machinery/conveyor_switch/proc/update()
if(position<0)
icon_state = "switch-rev"
else if(position>0)
icon_state = "switch-fwd"
else
icon_state = "switch-off"
// timed process
// if the switch changed, update the linked conveyors
/obj/machinery/conveyor_switch/process()
if(!operated)
return
operated = 0
for(var/obj/machinery/conveyor/C in conveyors)
C.operating = position
C.setdir()
// attack with hand, switch position
/obj/machinery/conveyor_switch/attack_hand(mob/user)
if(position == 0)
if(last_pos < 0)
position = 1
last_pos = 0
else
position = -1
last_pos = 0
else
last_pos = position
position = 0
operated = 1
update()
// find any switches with same id as this one, and set their positions to match us
for(var/obj/machinery/conveyor_switch/S in world)
if(S.id == src.id)
S.position = position
S.update()