typedef struct{	int			maxclients;	int			maxclientslimit;	struct client_s	*clients;		// [maxclients]	int			serverflags;		// episode completion information	bool	changelevel_issued;	// cleared when at SV_SpawnServer} server_static_t; //============================================================================= typedef enum {ss_loading, ss_active} server_state_t; typedef struct{	bool	active;				// false if only a net client	protocol_t	*protocol; 	bool	paused;	bool	loadgame;			// handle connections specially 	double		time; 	int			lastcheck;			// used by PF_checkclient	double		lastchecktime; 	char		name[64];			// map name	char		modelname[64];		// maps/<name>.bsp, for model_precache[0]	struct model_s 	*worldmodel;	char		*model_precache[MAX_MODELS];	// NULL terminated	struct model_s	*models[MAX_MODELS];	char		*sound_precache[MAX_SOUNDS];	// NULL terminated	char		*lightstyles[Nlights];	server_state_t	state;			// some actions are only valid during load 	sizebuf_t	datagram;	byte		datagram_buf[MAX_DATAGRAM]; 	sizebuf_t	reliable_datagram;	// copied to all clients at end of frame	byte		reliable_datagram_buf[MAX_DATAGRAM]; 	sizebuf_t *signon;	int signon_frame;	sizebuf_t *signons[256];	int numsignons; 	pr_t *pr;} server_t;  #define	NUM_PING_TIMES		16 enum {	SIGNON_INIT,	SIGNON_SENDING,	SIGNON_DONE,	SIGNON_KICK,}; typedef struct client_s{	bool		active;				// false = client is free	bool		spawned;			// false = don't send datagrams	bool		dropasap;			// has been told to go to another level 	struct {		int state;		int id;	}signon; 	double			last_message;		// reliable messages must be sent										// periodically 	struct qsocket_s *netconnection;	// communications handle 	usercmd_t		cmd;				// movement	vec3_t			wishdir;			// intended motion calced from cmd 	sizebuf_t		message;			// can be added to at any time,										// copied and clear once per frame	byte			msgbuf[NET_MAXMESSAGE];	edict_t			*edict;				// EDICT_NUM(clientnum+1)	char			name[32];			// for printing to other people	int				colors; 	float			ping_times[NUM_PING_TIMES];	int				num_pings;			// ping_times[num_pings%NUM_PING_TIMES] // spawn parms are carried from level to level	float			spawn_parms[Nparms]; // client known data for deltas	int				old_frags;} client_t;  //============================================================================= enum {	// edict->movetype values	MOVETYPE_NONE, // never moves	MOVETYPE_ANGLENOCLIP,	MOVETYPE_ANGLECLIP,	MOVETYPE_WALK, // gravity	MOVETYPE_STEP, // gravity, special edge handling	MOVETYPE_FLY,	MOVETYPE_TOSS, // gravity	MOVETYPE_PUSH, // no clip to world, push and crush	MOVETYPE_NOCLIP,	MOVETYPE_FLYMISSILE, // extra size to monsters	MOVETYPE_BOUNCE, 	// edict->solid values	SOLID_NOT = 0, // no interaction with other objects	SOLID_TRIGGER, // touch on edge, but not blocking	SOLID_BBOX, // touch on edge, block	SOLID_SLIDEBOX, // touch on edge, but not an onground	SOLID_BSP, // bsp clip, touch on edge, block 	// edict->deadflag values	DEAD_NO = 0,	DEAD_DYING,	DEAD_DEAD, 	DAMAGE_NO = 0,	DAMAGE_YES,	DAMAGE_AIM, 	// edict->flags	FL_FLY = 1<<0,	FL_SWIM = 1<<1,	FL_CONVEYOR = 1<<2,	FL_CLIENT = 1<<3,	FL_INWATER = 1<<4,	FL_MONSTER = 1<<5,	FL_GODMODE = 1<<6,	FL_NOTARGET = 1<<7,	FL_ITEM = 1<<8,	FL_ONGROUND = 1<<9,	FL_PARTIALGROUND = 1<<10, // not all corners are valid	FL_WATERJUMP = 1<<11, // player jumping out of water	FL_JUMPRELEASED = 1<<12, // for jump debouncing 	// entity effects	EF_BRIGHTFIELD = 1<<0,	EF_MUZZLEFLASH = 1<<1,	EF_BRIGHTLIGHT = 1<<2,	EF_DIMLIGHT = 1<<3,	EF_NODRAW = 1<<4,	EF_ADDITIVE = 1<<5, 	SPAWNFLAG_NOT_EASY = 1<<8,	SPAWNFLAG_NOT_MEDIUM = 1<<9,	SPAWNFLAG_NOT_HARD = 1<<10,	SPAWNFLAG_NOT_DEATHMATCH = 1<<11,}; //============================================================================ extern	cvar_t	teamplay;extern	cvar_t	skill;extern	cvar_t	deathmatch;extern	cvar_t	coop;extern	cvar_t	fraglimit;extern	cvar_t	timelimit; extern	server_static_t	svs;				// persistant server infoextern	server_t		sv;					// local server extern	client_t	*host_client; extern	jmp_buf 	host_abortserver; extern	double		host_time; extern	edict_t		*sv_player; //=========================================================== void SV_SignonFrame(void); void SV_Init (void); void SV_StartParticle (vec3_t org, vec3_t dir, int color, int count);void SV_StartSound (edict_t *entity, int channel, char *sample, int volume,    float attenuation); void SV_DropClient (bool crash); void SV_SendClientMessages (void);void SV_ClearDatagram (void); int SV_ModelIndex (char *name); void SV_SetIdealPitch (void); void SV_AddUpdates (void); void SV_ClientThink (void);void SV_AddClientToServer (struct qsocket_s	*ret); #pragma varargck	argpos	SV_ClientPrintf	1void SV_ClientPrintf (char *fmt, ...);#pragma varargck	argpos	SV_BroadcastPrintf	1void SV_BroadcastPrintf (char *fmt, ...); void SV_Physics (void); bool SV_CheckBottom (edict_t *ent);bool SV_movestep (edict_t *ent, vec3_t move, bool relink); void SV_WriteClientdataToMessage (edict_t *ent, sizebuf_t *msg); void SV_CheckForNewClients (void);void SV_RunClients (void);void SV_SaveSpawnparms (void);void SV_SpawnServer (char *server);