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;	char *model_precache[MAX_MODELS]; // NULL terminated	struct model_s *models[MAX_MODELS];	char *sound_precache[MAX_SOUNDS]; // NULL terminated	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 values#define MOVETYPE_NONE 0 // never moves#define MOVETYPE_ANGLENOCLIP 1#define MOVETYPE_ANGLECLIP 2#define MOVETYPE_WALK 3 // gravity#define MOVETYPE_STEP 4 // gravity, special edge handling#define MOVETYPE_FLY 5#define MOVETYPE_TOSS 6 // gravity#define MOVETYPE_PUSH 7 // no clip to world, push and crush#define MOVETYPE_NOCLIP 8#define MOVETYPE_FLYMISSILE 9 // extra size to monsters#define MOVETYPE_BOUNCE 10 // edict->solid values#define SOLID_NOT 0 // no interaction with other objects#define SOLID_TRIGGER 1 // touch on edge, but not blocking#define SOLID_BBOX 2 // touch on edge, block#define SOLID_SLIDEBOX 3 // touch on edge, but not an onground#define SOLID_BSP 4 // bsp clip, touch on edge, block // edict->deadflag values#define DEAD_NO 0#define DEAD_DYING 1#define DEAD_DEAD 2 #define DAMAGE_NO 0#define DAMAGE_YES 1#define DAMAGE_AIM 2 // edict->flags#define FL_FLY 1#define FL_SWIM 2//#define FL_GLIMPSE 4#define FL_CONVEYOR 4#define FL_CLIENT 8#define FL_INWATER 16#define FL_MONSTER 32#define FL_GODMODE 64#define FL_NOTARGET 128#define FL_ITEM 256#define FL_ONGROUND 512#define FL_PARTIALGROUND 1024 // not all corners are valid#define FL_WATERJUMP 2048 // player jumping out of water#define FL_JUMPRELEASED 4096 // for jump debouncing // entity effects #define EF_BRIGHTFIELD 1#define EF_MUZZLEFLASH 2#define EF_BRIGHTLIGHT 4#define EF_DIMLIGHT 8 #define SPAWNFLAG_NOT_EASY 256#define SPAWNFLAG_NOT_MEDIUM 512#define SPAWNFLAG_NOT_HARD 1024#define SPAWNFLAG_NOT_DEATHMATCH 2048 //============================================================================ 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);