WormholeEntity.h

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/*
 
WormholeEntity.h
 
Entity subclass representing a wormhole between systems. (This is -- to use
technical terminology -- the blue blobby thing you see hanging in space. The
purple tunnel is RingEntity.)
 
Oolite
Copyright (C) 2004-2013 Giles C Williams and contributors
 
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
 
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.
 
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
MA 02110-1301, USA.
 
*/
 
#import "Entity.h"
 
#define WORMHOLE_EXPIRES_TIMEINTERVAL   900.0
#define WORMHOLE_SHRINK_RATE            4000.0
#define WORMHOLE_LEADER_SPEED_FACTOR 0.25
 
@class ShipEntity, Universe;
 
typedef enum
{
    WH_SCANINFO_NONE = 0,
    WH_SCANINFO_SCANNED,
    WH_SCANINFO_COLLAPSE_TIME,
    WH_SCANINFO_ARRIVAL_TIME,
    WH_SCANINFO_DESTINATION,
    WH_SCANINFO_SHIP,
} WORMHOLE_SCANINFO;
typedef enum {…};
 
@interface WormholeEntity: Entity
{
@private
    double          expiry_time; // Time when wormhole entrance closes
    double          travel_time; // Time taken for a ship to traverse the wormhole
    double          arrival_time;   // Time when wormhole exit opens
    double          estimated_arrival_time;   // Time when wormhole should open (be different to arrival_time for misjump wormholes)
    double          scan_time;     // Time when wormhole was scanned
    
    OOSystemID        origin;
    OOSystemID        destination;
 
    NSPoint         originCoords;      // May not equal our origin system if the wormhole opens from Interstellar Space
    NSPoint         destinationCoords; // May not equal the destination system if the wormhole misjumps
 
    NSMutableArray  *shipsInTransit;
    
    double          witch_mass;
    double          shrink_factor; // used during nova mission
// not used yet
    double      exit_speed; // exit speed of ships in this wormhole
    
    WORMHOLE_SCANINFO  scan_info;
    BOOL            hasExitPosition;
    BOOL            _misjump;
    GLfloat   _misjumpRange;
  BOOL      containsPlayer;
}
 
- (WormholeEntity*) initWithDict:(NSDictionary*)dict;
- (WormholeEntity*) initWormholeTo:(OOSystemID) s fromShip:(ShipEntity *) ship;
 
- (BOOL) suckInShip:(ShipEntity *) ship;
- (void) disgorgeShips;
- (void) setExitPosition:(HPVector)pos;
 
- (OOSystemID) origin;
- (OOSystemID) destination;
- (NSPoint) originCoordinates;
- (NSPoint) destinationCoordinates;
 
- (void) setMisjump;  // Flags up a wormhole as 'misjumpy'
- (void) setMisjumpWithRange:(GLfloat)range;    // Flags up a wormhole as 'misjumpy'
- (BOOL) withMisjump;
- (GLfloat) misjumpRange;
 
- (double) exitSpeed;  // exit speed from this wormhole
- (void) setExitSpeed:(double) speed;   // set exit speed from this wormhole
 
- (double) expiryTime;    // Time at which the wormholes entrance closes
- (double) arrivalTime;  // Time at which the wormholes exit opens
- (double) estimatedArrivalTime;    // Time when wormhole should open (different from arrival_time for misjump wormholes)
- (double) travelTime;    // Time needed for a ship to traverse the wormhole
- (double) scanTime;    // Time when wormhole was scanned
- (void) setScannedAt:(double)time;
- (void) setContainsPlayer:(BOOL)val; // mark the wormhole as waiting for player exit
 
- (BOOL) isScanned;        // True if the wormhole has been scanned by the player
- (WORMHOLE_SCANINFO) scanInfo; // Stage of scanning
- (void)setScanInfo:(WORMHOLE_SCANINFO) scanInfo;
 
- (NSArray*) shipsInTransit;
 
- (NSString *) identFromShip:(ShipEntity*) ship;
 
- (NSDictionary *)getDict;
 
@end