/*	presence.h		(c) Richard Thrippleton	Licensing terms are in the 'LICENSE' file	If that file is not included with this source then permission is not given to use this source in any way whatsoever.*/struct box;struct icord;struct ivect;class graphic;class presence //Client side view of the universe and its simple objects{	public:	enum {ISIZE=2048}; //Size of presence object index	static void init(); //Initialise the presence system datastructures	static void purgeall(); //Purge all presence data after use	static void feed(unsigned char* buf); //Update/create a presence from a buffer	static void interpolateall(); //Run interpolation on all the presence objects	static presence* get(int indx); //Return the presence object of given index	static void render(); //Render client/presence info, such as realtime information indicators	static void controls(); //Run the in game ship controls	void drawat(int sx,short sy,short zout); //Draw at the given screen location with the given zoom-out scaling	static presence* me; //Presence played by this client	static presence* trg; //Personal target	static presence* hl; //Hilight target	static int hul,pow,shd,ful; //Hull, power, shield and fuel percentages	static ipol vel; //Velocity of self	static long srng,lrng; //Sensor range and long range	int self; //Presence object self index	int typ; //Object type	char nam[65]; //Name of object	char anno[65]; //Annotative data, e.g. alliance	icord loc; //Location	ivect mov; //Motion vector	bool enem; //Is enemy?	private:	presence(int self,unsigned char* buf); //Create a new object with a given network buffer input and given self index	~presence(); //Delete this presence object	static presence* gettarget(int typ,short dir,box cov,bool out,bool enem); //Flip through targets of given type, flicking either forwards or backwards(dir -1 or +1) through them, within the given bounding box, out refers to outside the box or not, enem if you want hostiles only	static void updself(unsigned char* buf); //Update self data with given buffer	void name(unsigned char* buf); //Name the object with given network buffer	void update(unsigned char* buf);  //Update an object with given buffer	void interpolate(); //Run motion interpolation on this presence	static presence* objs[ISIZE]; //Index of presence objects	static int hltm; //Hilight time remaining	graphic* spr; //Sprite	int col; //Colour (makes it a beam)	int vis; //Visibility percentage (for cloaking stuff)	int ang; //Angle of orientation	int age; //Age of presence object	presence* link; //Link to another presence, for example owner of a frag};