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 	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;	struct model_s **models;	int num_models;	char **sounds;	int num_sounds;	char *lightstyles[MAX_LIGHTSTYLES];	int num_edicts;	int max_edicts;	edict_t *edicts; // can NOT be array indexed, because									// edict_t is variable sized, but can									// be used to reference the world ent	server_state_t state; // some actions are only valid during load 	sizebuf_t datagram;	uint8_t datagram_buf[MAX_DATAGRAM]; 	sizebuf_t reliable_datagram; // copied to all clients at end of frame	uint8_t reliable_datagram_buf[MAX_DATAGRAM]; 	sizebuf_t signon;	uint8_t signon_buf[8192];} server_t; #define NUM_PING_TIMES 16#define NUM_SPAWN_PARMS 16 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	bool privileged; // can execute any host command	bool sendsignon; // only valid before spawned 	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	uint8_t msgbuf[MAX_MSGLEN];	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[NUM_SPAWN_PARMS]; // client known data for deltas	int old_frags;} client_t; //============================================================================= // edict->movetype valuesenum {	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 valuesenum {	SOLID_NOT, // 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 valuesenum {	DEAD_NO,	DEAD_DYING,	DEAD_DEAD,}; enum {	DAMAGE_NO,	DAMAGE_YES,	DAMAGE_AIM,}; // edict->flagsenum {	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 effectsenum {	EF_BRIGHTFIELD = 1<<0,	EF_MUZZLEFLASH = 1<<1,	EF_BRIGHTLIGHT = 1<<2,	EF_DIMLIGHT = 1<<3,}; enum {	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_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); void SV_ClientPrintf (char *fmt, ...);void 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_MoveToGoal (void); void SV_CheckForNewClients (void);void SV_RunClients (void);void SV_SaveSpawnparms ();void SV_SpawnServer (char *server);