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code/ZAS/Connection.dm
165 строк
4 KB
SSair
29 июн 2017, 09:40
29 июн 2017, 09:40
b6418e2
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#define CONNECTION_DIRECT 2 #define CONNECTION_SPACE 4 #define CONNECTION_INVALID 8 /* Overview: Connections are made between turfs by SSair.connect(). They represent a single point where two zones converge. Class Vars: A - Always a simulated turf. B - A simulated or unsimulated turf. zoneA - The archived zone of A. Used to check that the zone hasn't changed. zoneB - The archived zone of B. May be null in case of unsimulated connections. edge - Stores the edge this connection is in. Can reference an edge that is no longer processed after this connection is removed, so make sure to check edge.coefficient > 0 before re-adding it. Class Procs: mark_direct() Marks this connection as direct. Does not update the edge. Called when the connection is made and there are no doors between A and B. Also called by update() as a correction. mark_indirect() Unmarks this connection as direct. Does not update the edge. Called by update() as a correction. mark_space() Marks this connection as unsimulated. Updating the connection will check the validity of this. Called when the connection is made. This will not be called as a correction, any connections failing a check against this mark are erased and rebuilt. direct() Returns 1 if no doors are in between A and B. valid() Returns 1 if the connection has not been erased. erase() Called by update() and connection_manager/erase_all(). Marks the connection as erased and removes it from its edge. update() Called by connection_manager/update_all(). Makes numerous checks to decide whether the connection is still valid. Erases it automatically if not. */ /connection/var/turf/simulated/A /connection/var/turf/simulated/B /connection/var/zone/zoneA /connection/var/zone/zoneB /connection/var/connection_edge/edge /connection/var/state = 0 /connection/New(turf/simulated/A, turf/simulated/B) #ifdef ZASDBG ASSERT(SSair.has_valid_zone(A)) //ASSERT(SSair.has_valid_zone(B)) #endif src.A = A src.B = B zoneA = A.zone if(!istype(B)) mark_space() edge = SSair.get_edge(A.zone,B) edge.add_connection(src) else zoneB = B.zone edge = SSair.get_edge(A.zone,B.zone) edge.add_connection(src) /connection/proc/mark_direct() state |= CONNECTION_DIRECT // to_chat(world, "Marked direct.") /connection/proc/mark_indirect() state &= ~CONNECTION_DIRECT // to_chat(world, "Marked indirect.") /connection/proc/mark_space() state |= CONNECTION_SPACE /connection/proc/direct() return (state & CONNECTION_DIRECT) /connection/proc/valid() return !(state & CONNECTION_INVALID) /connection/proc/erase() edge.remove_connection(src) state |= CONNECTION_INVALID // to_chat(world, "Connection Erased: [state]") /connection/proc/update() // to_chat(world, "Updated, \...") if(!istype(A,/turf/simulated)) // to_chat(world, "Invalid A.") erase() return var/block_status = SSair.air_blocked(A,B) if(block_status & AIR_BLOCKED) // to_chat(world, "Blocked connection.") erase() return else if(block_status & ZONE_BLOCKED) if(direct()) mark_indirect() else mark_direct() var/b_is_space = (!istype(B,/turf/simulated)) if(state & CONNECTION_SPACE) if(!b_is_space) // to_chat(world, "Invalid B.") erase() return if(A.zone != zoneA) // to_chat(world, "Zone changed, \...") if(!A.zone) erase() // to_chat(world, "erased.") return else edge.remove_connection(src) edge = SSair.get_edge(A.zone, B) edge.add_connection(src) zoneA = A.zone // to_chat(world, "valid.") return else if(b_is_space) // to_chat(world, "Invalid B.") erase() return if(A.zone == B.zone) // to_chat(world, "A == B") erase() return if(A.zone != zoneA || (zoneB && (B.zone != zoneB))) // to_chat(world, "Zones changed, \...") if(A.zone && B.zone) edge.remove_connection(src) edge = SSair.get_edge(A.zone, B.zone) edge.add_connection(src) zoneA = A.zone zoneB = B.zone else // to_chat(world, "erased.") erase() return // to_chat(world, "valid.")