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vgstation13/code/ZAS/Connection.dm

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/*
This object is contained within zone/var/connections. It's generated whenever two turfs from different zones are linked.
Indirect connections will not merge the two zones after they reach equilibrium.
*/
connection
var
turf //The turfs involved in the connection.
A
B
zone
zone_A
zone_B
indirect = 0 //If the connection is purely indirect, the zones should not join.
last_updated //The tick at which this was last updated.
no_zone_count = 0
New(turf/T,turf/O)
A = T
B = O
if(A.zone && B.zone)
if(!A.zone.connections) A.zone.connections = list()
A.zone.connections += src
zone_A = A.zone
if(!B.zone.connections) B.zone.connections = list()
B.zone.connections += src
zone_B = B.zone
if(!air_master.tiles_with_connections)
air_master.tiles_with_connections = list()
if(air_master.tiles_with_connections[A])
var/list/A_connections = air_master.tiles_with_connections[A]
A_connections |= src
else
var/list/A_connections = list(src)
air_master.tiles_with_connections[A] = A_connections
if(air_master.tiles_with_connections[B])
var/list/B_connections = air_master.tiles_with_connections[B]
B_connections |= src
else
var/list/B_connections = list(src)
air_master.tiles_with_connections[B] = B_connections
if(!A.zone.connected_zones)
A.zone.connected_zones = list()
if(!B.zone.connected_zones)
B.zone.connected_zones = list()
if(!(B.zone in A.zone.connected_zones))
A.zone.connected_zones += B.zone
A.zone.connected_zones[B.zone] = 1
else
A.zone.connected_zones[B.zone]++
if(!(A.zone in B.zone.connected_zones))
B.zone.connected_zones += A.zone
B.zone.connected_zones[A.zone] = 1
else
B.zone.connected_zones[A.zone]++
else
world.log << "Attempted to create connection object for non-zone tiles: [T] -> [O]"
del(src)
Del()
if(A)
if(A.zone && A.zone.connections)
A.zone.connections.Remove(src)
if(!A.zone.connections.len)
del A.zone.connections
if(A in air_master.tiles_with_connections)
var/list/A_connections = air_master.tiles_with_connections[A]
A_connections -= src
if(A_connections && !A_connections.len)
del A_connections
air_master.tiles_with_connections.Remove(A)
if(B)
if(B.zone && B.zone.connections)
B.zone.connections.Remove(src)
if(!B.zone.connections.len)
del B.zone.connections
if(B in air_master.tiles_with_connections)
var/list/B_connections = air_master.tiles_with_connections[B]
B_connections -= src
if(B_connections && !B_connections.len)
del B_connections
air_master.tiles_with_connections.Remove(B)
if(zone_A)
if(zone_A && zone_A.connections)
zone_A.connections.Remove(src)
if(!zone_A.connections.len)
del zone_A.connections
if(zone_B)
if(zone_B && zone_B.connections)
zone_B.connections.Remove(src)
if(!zone_B.connections.len)
del zone_B.connections
if(A && A.zone)
if(B && B.zone)
if(B.zone in A.zone.connected_zones)
if(A.zone.connected_zones[B.zone] > 1)
A.zone.connected_zones[B.zone]--
else
A.zone.connected_zones -= B.zone
if(A.zone.connected_zones && !A.zone.connected_zones.len)
A.zone.connected_zones = null
if( zone_B && (!B.zone && zone_B != B.zone) )
if(zone_B in A.zone.connected_zones)
if(A.zone.connected_zones[zone_B] > 1)
A.zone.connected_zones[zone_B]--
else
A.zone.connected_zones -= zone_B
if(A.zone.connected_zones && !A.zone.connected_zones.len)
A.zone.connected_zones = null
if(zone_A && (!A.zone || zone_A != A.zone))
if(B && B.zone)
if(B.zone in zone_A.connected_zones)
if(zone_A.connected_zones[B.zone] > 1)
zone_A.connected_zones[B.zone]--
else
zone_A.connected_zones -= B.zone
if(zone_A.connected_zones && !zone_A.connected_zones.len)
zone_A.connected_zones = null
if( zone_B && (!B.zone && zone_B != B.zone) )
if(zone_B in zone_A.connected_zones)
if(zone_A.connected_zones[zone_B] > 1)
zone_A.connected_zones[zone_B]--
else
zone_A.connected_zones -= zone_B
if(zone_A.connected_zones && !zone_A.connected_zones.len)
zone_A.connected_zones = null
if(B && B.zone)
if(A && A.zone)
if(A.zone in B.zone.connected_zones)
if(B.zone.connected_zones[A.zone] > 1)
B.zone.connected_zones[A.zone]--
else
B.zone.connected_zones -= A.zone
if(B.zone.connected_zones && !B.zone.connected_zones.len)
B.zone.connected_zones = null
if( zone_A && (!A.zone && zone_A != A.zone) )
if(zone_A in B.zone.connected_zones)
if(B.zone.connected_zones[zone_A] > 1)
B.zone.connected_zones[zone_A]--
else
B.zone.connected_zones -= zone_A
if(B.zone.connected_zones && !B.zone.connected_zones.len)
B.zone.connected_zones = null
if(zone_B && (!B.zone || zone_B != B.zone))
if(A && A.zone)
if(A.zone in zone_B.connected_zones)
if(zone_B.connected_zones[A.zone] > 1)
zone_B.connected_zones[A.zone]--
else
zone_B.connected_zones -= A.zone
if(zone_B.connected_zones && !zone_B.connected_zones.len)
zone_B.connected_zones = null
if( zone_A && (!A.zone && zone_A != A.zone) )
if(zone_A in zone_B.connected_zones)
if(zone_B.connected_zones[zone_A] > 1)
zone_B.connected_zones[zone_A]--
else
zone_B.connected_zones -= zone_A
if(zone_B.connected_zones && !zone_B.connected_zones.len)
zone_B.connected_zones = null
. = ..()
proc/Cleanup()
if(!A || !B)
//world.log << "Connection removed: [A] or [B] missing entirely."
del src
if(A.zone == B.zone)
//world.log << "Connection removed: Zones now merged."
del src
if((A.zone && A.zone != zone_A) || (B.zone && B.zone != zone_B))
Sanitize()
if(!A.zone || !B.zone)
no_zone_count++
if(no_zone_count >= 5)
//world.log << "Connection removed: [A] or [B] missing a zone."
del src
return 0
return 1
proc/Sanitize()
//If the zones change on connected turfs, update it.
if(A.zone && A.zone != zone_A && B.zone && B.zone != zone_B)
if(!A.zone || !B.zone)
del src
if(zone_A)
if(zone_A.connections)
zone_A.connections.Remove(src)
if(!zone_A.connections.len)
del zone_A.connections
if(zone_A.connected_zones)
if(zone_A.connected_zones[zone_B] > 1)
zone_A.connected_zones[zone_B]--
else
zone_A.connected_zones.Remove(zone_B)
if(zone_A.connected_zones && !zone_A.connected_zones.len)
zone_A.connected_zones = null
if(zone_B)
if(zone_B.connections)
zone_B.connections.Remove(src)
if(!zone_B.connections.len)
del zone_B.connections
if(zone_B.connected_zones)
if(zone_B.connected_zones[zone_A] > 1)
zone_B.connected_zones[zone_A]--
else
zone_B.connected_zones.Remove(zone_A)
if(zone_B.connected_zones && !zone_B.connected_zones.len)
zone_B.connected_zones = null
if(!A.zone.connections)
A.zone.connections = list()
A.zone.connections |= src
if(!B.zone.connections)
B.zone.connections = list()
B.zone.connections |= src
if(!A.zone.connected_zones)
A.zone.connected_zones = list()
if(!(B.zone in A.zone.connected_zones))
A.zone.connected_zones += B.zone
A.zone.connected_zones[B.zone] = 1
else
A.zone.connected_zones[B.zone]++
if(!B.zone.connected_zones)
B.zone.connected_zones = list()
if(!(A.zone in B.zone.connected_zones))
B.zone.connected_zones += A.zone
B.zone.connected_zones[A.zone] = 1
else
B.zone.connected_zones[A.zone]++
zone_B = B.zone
zone_A = A.zone
else if(A.zone && A.zone != zone_A)
if(zone_A)
if(zone_A.connections)
zone_A.connections.Remove(src)
if(!zone_A.connections.len)
del zone_A.connections
if(!A.zone.connections)
A.zone.connections = list()
A.zone.connections |= src
if(zone_A.connected_zones)
if(zone_A.connected_zones[zone_B] > 1)
zone_A.connected_zones[zone_B]--
else
zone_A.connected_zones.Remove(zone_B)
if(zone_A.connected_zones && !zone_A.connected_zones.len)
zone_A.connected_zones = null
if(!A.zone.connected_zones)
A.zone.connected_zones = list()
if(!(zone_B in A.zone.connected_zones))
A.zone.connected_zones += zone_B
A.zone.connected_zones[zone_B] = 1
else
A.zone.connected_zones[zone_B]++
zone_A = A.zone
else
del src
else if(B.zone && B.zone != zone_B)
if(zone_B)
if(zone_B.connections)
zone_B.connections.Remove(src)
if(!zone_B.connections.len)
del zone_B.connections
if(!B.zone.connections)
B.zone.connections = list()
B.zone.connections |= src
if(zone_B.connected_zones)
if(zone_B.connected_zones[zone_A] > 1)
zone_B.connected_zones[zone_A]--
else
zone_B.connected_zones.Remove(zone_A)
if(zone_B.connected_zones && !zone_B.connected_zones.len)
zone_B.connected_zones = null
if(!B.zone.connected_zones)
B.zone.connected_zones = list()
if(!(zone_A in B.zone.connected_zones))
B.zone.connected_zones += zone_A
B.zone.connected_zones[zone_A] = 1
else
B.zone.connected_zones[zone_A]++
zone_B = B.zone
else
del src
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