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#include "AdunKernel/AdunForceFieldCollection.h"
@implementation AdForceFieldCollection
- (id) init
{
return [self initWithForceFields: nil];
}
- (id) initWithForceFields: (NSArray*) anArray
{
NSEnumerator* arrayEnum;
id object;
if((self = [super init]))
{
arrayEnum = [anArray objectEnumerator];
while((object = [arrayEnum nextObject]))
if(![object isKindOfClass: [AdForceField class]])
[NSException raise: NSInvalidArgumentException
format: @"Array can only contain AdForceField objects"];
if(anArray != nil)
forceFields = [anArray mutableCopy];
else
forceFields = [NSMutableArray new];
activeForceFields = [NSMutableArray new];
[activeForceFields addObjectsFromArray: forceFields];
inactiveForceFields = [NSMutableArray new];
systems = [forceFields valueForKey: @"system"];
[systems retain];
}
return self;
}
- (void) dealloc
{
[systems release];
[forceFields release];
[activeForceFields release];
[inactiveForceFields release];
[super dealloc];
}
- (void) addForceField: (AdForceField*) aForceField
{
[forceFields addObject: aForceField];
[activeForceFields addObject: aForceField];
[systems release];
systems = [forceFields valueForKey: @"system"];
[systems retain];
}
- (void) removeForceField: (AdForceField*) aForceField
{
[forceFields removeObject: aForceField];
if([self isActive: aForceField])
[activeForceFields removeObject: aForceField];
else
[inactiveForceFields removeObject: aForceField];
[systems release];
systems = [forceFields valueForKey: @"system"];
[systems retain];
}
- (NSArray*) forceFields
{
return [[forceFields copy] autorelease];
}
- (void) setForceFields: (NSArray*) anArray
{
[forceFields release];
forceFields = [anArray mutableCopy];
[activeForceFields removeAllObjects];
[activeForceFields addObjectsFromArray: forceFields];
}
- (void) evaluateForces
{
NSDebugLLog(@"SimulationLoop", @"Calculating forces");
[activeForceFields makeObjectsPerformSelector: @selector(evaluateForces)];
NSDebugLLog(@"SimulationLoop", @"Force evaluation complete");
}
- (void) evaluateEnergies
{
[activeForceFields makeObjectsPerformSelector: @selector(evaluateEnergies)];
}
/**
Returns the force fields in anArray operating on aSystem
*/
- (NSArray*) _forceFieldsForSystem: (id) aSystem fromArray: (NSArray*) forceFieldArray
{
NSMutableArray* anArray;
NSEnumerator* forceFieldEnum;
AdForceField* forceField;
forceFieldEnum = [forceFieldArray objectEnumerator];
anArray = [NSMutableArray array];
while((forceField = [forceFieldEnum nextObject]))
{
if([forceField system] == aSystem)
[anArray addObject: forceField];
}
return anArray;
}
- (NSArray*) forceFieldsForSystem: (id) aSystem activityFlag: (AdForceFieldActivity) value
{
switch(value)
{
case AdActiveForceFields:
return [self _forceFieldsForSystem: aSystem
fromArray: activeForceFields];
break;
case AdInactiveForceFields:
return [self _forceFieldsForSystem: aSystem
fromArray: inactiveForceFields];
break;
case AdAllForceFields:
return [self _forceFieldsForSystem: aSystem
fromArray: forceFields];
}
return nil;
}
- (NSArray*) forceFieldsForSystem: (id) aSystem
{
return [self _forceFieldsForSystem: aSystem
fromArray: forceFields];
}
- (NSArray*) systems
{
return [[systems retain] autorelease];
}
- (void) activateForceField: (AdForceField*) aForceField
{
if(![self isMember: aForceField])
[NSException raise: NSInvalidArgumentException
format: @"%@ is not a member of the force field collection"];
if(![self isActive: aForceField])
{
[inactiveForceFields removeObject: aForceField];
[activeForceFields addObject: aForceField];
}
}
- (void) deactivateForceField: (AdForceField*) aForceField;
{
if(![self isMember: aForceField])
[NSException raise: NSInvalidArgumentException
format: @"%@ is not a member of the force field collection"];
if([self isActive: aForceField])
{
[activeForceFields removeObject: aForceField];
[inactiveForceFields addObject: aForceField];
}
}
- (BOOL) isActive: (AdForceField*) aForceField;
{
if(![self isMember: aForceField])
[NSException raise: NSInvalidArgumentException
format: @"%@ is not a member of the force field collection"];
return [activeForceFields containsObject: aForceField];
}
- (BOOL) isMember: (AdForceField*) aForceField;
{
return [forceFields containsObject: aForceField];
}
@end
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