/*
 *   (C) COPYRIGHT Vincent S. Cojot and others 1996-1997
 *   All Rights Reserved
 *   Licensed Materials - Property of Vincent S. Cojot and others.
 *   Use, duplication or disclosure restricted by Vincent S. Cojot.
 */
#ifndef __OPERATIONS_H
#define __OPERATIONS_H

/* ------------------------------------------------*/
/* Ces fonctions servent a calculer La normale et le produit scalaire */
/* de deux vecteurs a deux dimensions (On approxime la troisieme */
/* Dimension car la lumiere est tres loin et on ne cherche pas a */
/* faire des ombres sur le sol. */
/* ------------------------------------------------*/
void    Normale1 (float, float, float, float, float *, float *);  
float   ProduitScalaire (float, float, float, float);
 
/* ------------------------------------------------*/
/* Pour le debugging du reseau: Simule d'autres Tanks, */
/* missiles et explosions. */
/* ------------------------------------------------*/
GLvoid  SimulationInit(GLvoid);
GLvoid  SimulationRun(GLvoid);

/* ------------------------------------------------*/
/* Pour le traitement des arguments de demarrage du jeu. */
/* ------------------------------------------------*/
GLvoid	ProcessCommandArgs(int argc,char *argv[]);
GLvoid	PrintCorrectArgs(int argc,char *argv[]);

/* ------------------------------------------------*/
/* Definitions des matrices globales pour le jeu en reseau. */
/* On y trouve les definitions des structures de donnees de */
/* tous les tanks, missiles et explosions ainsi que des variables */
/* indiquant le nombre de ces objets. */
/* ------------------------------------------------*/
extern	TANK		Tanks[MAX_TANKS]; 
extern	MISSILE		Missiles[MAX_MISSILES];
extern	EXPLOSION	Explosions[MAX_EXPLOSIONS];
extern	TANK		DestroyedTanks[MAX_DESTROYED_TANKS];
extern	GLint		explosion;
extern	GLint		tanks;
extern	GLint		FlyingMissile;
extern	GLint		destroyed;

/* ------------------------------------------------*/
/* Definitions des fonctions de gestions des objets animes autres */
/* que notre propre tank: Missiles, tanks enemis et explosions. */  
/* ------------------------------------------------*/
extern	GLvoid	VerifierCollision (GLvoid);
extern	GLvoid	MoveMissiles(GLvoid);
extern	GLvoid	MoveMyMissile(GLvoid); 
extern	GLvoid	MoveTanks(GLvoid);
extern	GLvoid	MoveDestroyedTanks(GLvoid);
extern	GLvoid	CallAllExplosions(GLvoid);
extern	GLint	FindStartupPosition(GLvoid);

extern	GLvoid	InsertTank(TANK OneTank);
extern	GLvoid	InsertMissile(MISSILE OneMissile);
extern	GLvoid	InsertExplosion(EXPLOSION OneExplosion);
extern	GLvoid	InsertDestroyedTank(TANK OneDestroyedTank);

/* ------------------------------------------------*/
/* Autres definitions globales. */
/* ------------------------------------------------*/
extern  TANK            OneTank;
extern  MISSILE         OneMissile;
extern  EXPLOSION       OneExplosion;
extern  TANK            OneDestroyedTank;
extern	GLfloat scenePosz ;	/* Veritable coordonnees Z */
extern	GLfloat scenePosx ;	/* Veritable coordonnees X */
extern	GLfloat sceneAngle ;
extern	GLfloat RandomscenePosz ;
extern	GLfloat RandomscenePosx ;
extern	GLfloat RandomsceneAngle ;
extern	char	network_group[255];
extern	u_short	network_port;
extern	long	network_delay;

#endif