/************************************************************
 *															*
 *						flying.h							*
 *			   											    *															*
 *				LPGE     1997								*		
 *															*
 *	Copyright (C) 1996 Sony Computer Entertainment Inc.		*
 *	All Rights Reserved										*
 *															*
 ***********************************************************/



#ifndef FLYING_H_INCLUDED






#include "tunnel.h"


/****************************************************************************
					constants, structures, globals
****************************************************************************/


	



	// these used as indeces to AllShipParameters
#define STANDARD_FLYING_PARAMETERS 0
#define FAST_AND_DODGY_FLYING_PARAMETERS 1
#define ULTRA_SAFE_FLYING_PARAMETERS 2
#define PECULIAR_FLYING_PARAMETERS 3



#define X_AND_Z_ROTATION 0
#define Y_AND_Z_ROTATION 1
#define ALL_THREE_ROTATIONS 2




typedef struct
{
	int zAcceleration;

	int maximumSpeed;

	int rotationType;  

	VECTOR rotationPowers;

		// coefficients: the higher, the heavier the collision,
		// the more the ship loses speed
	int collisionWithTunnelCoefficient;
	int collisionWithOtherShipsCoefficient;

		// coefficients: each time, quantity = quantity * (ONE-coeff)
	int movementFrictionCoefficient;
	int rotationFrictionCoefficient;
} ShipFlyingParameters;




#define MAX_SHIP_FLYING_PARAMETERS 4





#define HUMAN_PLAYER 0
#define AI_FLIER_1 1
#define AI_FLIER_2 2
#define AI_FLIER_3 3
#define AI_FLIER_4 4
#define PRERECORDED_SLOW 5
#define PRERECORDED_MEDIUM 6
#define PRERECORDED_FAST 7



#define SLOW 1001
#define MEDIUM 1002
#define FAST 1003


	// these used as indexes into the list AllShipTypes
#define BOG_STANDARD 0
#define SLIGHTLY_FLASH 1
#define VERY_FLASH 2
#define EXTREMELY_FLASH 3

typedef struct
{
	int label;
	char shipTypeName[64];

	ShipFlyingParameters *flyingParameters;
	int specialMovementFlag;
	int collisionRadius;

	u_long tmdAddress;
	int whichTmd;
	int tmdRightWayFlag;

	int scalingFlag;
	VECTOR scalingVector;
} ShipType;

#define MAX_SHIP_TYPES 4



#define SMALL_TURN_ANGLE (ONE/1024)



#define FULL_FORWARD 1
#define FULL_BRAKE 2


	// for proper dynamic flier
#define MAX_ACCELERATION 1
#define MAINTAIN_SPEED 2
#define MAX_BRAKE 3


		


/****************************************************************************
					prototypes
****************************************************************************/


void InitialiseGlobalFlyingModel (void);



void HandleSplinePathFollower (ObjectHandler* object);

void ProperSortObjectPositionOnSplineCurve (ObjectHandler *object, 	
						int curveAngle, TunnelSection *section,
						int offset, int speed);

void HandleSplinePathDeviator (ObjectHandler *object);

void GetPointOnSplinePath (int sectionID, int offsetRatio, VECTOR *point);

void GetPointOnSplineCurve (int curveAngle, TunnelSection *section,
						int offsetRatio, VECTOR *point);

void GetPointAndTotalAngleOnSplinePath (int sectionID, int offsetRatio, 
					VECTOR *point, int *totalAngle);


void HandleFourthBlagger (ObjectHandler *object);


void HandleFirstAIFlier (ObjectHandler *object);

void HandleSecondAIFlier (ObjectHandler *object);

void HandleXZFlier2 (ObjectHandler *object);

void GetNextWaypoint( ObjectHandler *object, VECTOR *wayPoint);

int FindDirectionShipPointsInTunnel (ObjectHandler *ship);

void HandleProperDynamicFlier (ObjectHandler *object);

void HandleProperDynamicFlier2 (ObjectHandler *object);

int SectionIsCurveSection (int sectionID);

int FindRequiredTurnAnglePerFrameGivenSpeed (int speed, int sectionID);

int GetNewShipSpeedGivenAction (ObjectHandler *ship, int accelerationAction);

void HandleProperDynamicFlier3 (ObjectHandler *object);


void HandleDubiousBlagger (ObjectHandler *ship);






void Accelerate (ObjectHandler *object, int amount);

void TurnShip (ObjectHandler *ship, VECTOR *turn);

void TurnLeft (ObjectHandler *ship, int amount);

void TurnRight (ObjectHandler *ship, int amount);

void HandleYZFlier2 (ObjectHandler *object);

void HandleThirdAIFlier (ObjectHandler *object);

void HandleSecondCheater (ObjectHandler *object);



 		 

void InitialiseAllShipParameters (void);

void InitShipFlyingParametersToVoid (ShipFlyingParameters *parameters);


void InitialiseShipTypes (void);


void InitShipTypeToVoid (ShipType *type);

void AssignShipType (ShipType *type, int label, char* name,
		  ShipFlyingParameters *flyingParameters, int collisionRadius,
		  u_long tmdAddress, int whichTmd, int tmdFlag,
		  		int scalingFlag, VECTOR *scalingVector);



void SetObjectToShipType (ObjectHandler *object, int shipType);




void HandleShipMovementInTunnel (ObjectHandler *ship);

void FindShipActionsThisFrame (ObjectHandler* object);

void SortFirstFlierBehaviour (ObjectHandler *object);


#define FLYING_H_INCLUDED 1

#endif