//
//  AI.h
/*
 *
 *  Oolite
 *
 *  Created by Giles Williams on Sat Apr 03 2004.
 *  Copyright (c) 2004 for aegidian.org. All rights reserved.
 *

Copyright (c) 2004, Giles C Williams
All rights reserved.

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or send a letter to Creative Commons, 559 Nathan Abbott Way, Stanford, California 94305, USA.

You are free:

•	to copy, distribute, display, and perform the work
•	to make derivative works

Under the following conditions:

•	Attribution. You must give the original author credit.

•	Noncommercial. You may not use this work for commercial purposes.

•	Share Alike. If you alter, transform, or build upon this work,
you may distribute the resulting work only under a license identical to this one.

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Your fair use and other rights are in no way affected by the above.

*/

#import <Foundation/Foundation.h>

#import "entities.h"

#define AI_THINK_INTERVAL					0.125

extern int debug;

@interface AI : NSObject {

	ShipEntity		*owner;						// the object this is the AI for
	NSString		*owner_desc;				// describes the object this is the AI for

	NSDictionary	*stateMachine;
	NSString		*currentState;
	NSMutableArray  *pendingMessages;
	
	NSMutableArray  *ai_stack;
	
	NSLock			*aiLock;
	
	double			nextThinkTime;
	double			thinkTimeInterval;
	
}

- (id) initWithStateMachine:(NSString *) smName andState:(NSString *) stateName;

- (void) setOwner:(ShipEntity *)ship;

- (void) preserveCurrentStateMachine;

- (void) restorePreviousStateMachine;

- (void) exitStateMachine;

- (void) setStateMachine:(NSString *) smName;

- (int) ai_stack_depth;

- (void) setState:(NSString *) stateName;

- (void) reactToMessage:(NSString *) message;

- (void) takeAction:(NSString *) action;

- (void) think;

- (void) message:(NSString *) ms;

- (void) setNextThinkTime:(double) ntt;

- (double) nextThinkTime;

- (void) setThinkTimeInterval:(double) tti;

- (double) thinkTimeInterval;

@end