#include <u.h>#include <libc.h>#include <stdio.h>#include "../dat.h"#include "../fns.h" game_locals_t	game;level_locals_t	level;game_import_t	gi;game_export_t	globals;spawn_temp_t	st; int	sm_meat_index;int	snd_fry;int meansOfDeath; edict_t		*g_edicts; cvar_t	*deathmatch;cvar_t	*coop;cvar_t	*dmflags;cvar_t	*skill;cvar_t	*fraglimit;cvar_t	*timelimit;cvar_t	*password;cvar_t	*spectator_password;cvar_t	*maxclients;cvar_t	*maxspectators;cvar_t	*maxentities;cvar_t	*g_select_empty;cvar_t	*dedicated; cvar_t	*filterban; cvar_t	*sv_maxvelocity;cvar_t	*sv_gravity; cvar_t	*sv_rollspeed;cvar_t	*sv_rollangle;cvar_t	*gun_x;cvar_t	*gun_y;cvar_t	*gun_z; cvar_t	*run_pitch;cvar_t	*run_roll;cvar_t	*bob_up;cvar_t	*bob_pitch;cvar_t	*bob_roll; cvar_t	*sv_cheats; cvar_t	*flood_msgs;cvar_t	*flood_persecond;cvar_t	*flood_waitdelay; cvar_t	*sv_maplist; void SpawnEntities (char *mapname, char *entities, char *spawnpoint);void ClientThink (edict_t *ent, usercmd_t *cmd);qboolean ClientConnect (edict_t *ent, char *userinfo);void ClientUserinfoChanged (edict_t *ent, char *userinfo);void ClientDisconnect (edict_t *ent);void ClientBegin (edict_t *ent);void ClientCommand (edict_t *ent);void RunEntity (edict_t *ent);void WriteGame (char *filename, qboolean autosave);void ReadGame (char *filename);void WriteLevel (char *filename);void ReadLevel (char *filename);void InitGame (void);void G_RunFrame (void);  //===================================================================  void ShutdownGame (void){	gi.dprintf ("==== ShutdownGame ====\n"); 	gi.FreeTags (TAG_LEVEL);	gi.FreeTags (TAG_GAME);}  /*=================GetGameAPI Returns a pointer to the structure with all entry pointsand global variables=================*/game_export_t *GetGameAPI (game_import_t *import){	gi = *import; 	globals.apiversion = GAME_API_VERSION;	globals.Init = InitGame;	globals.Shutdown = ShutdownGame;	globals.SpawnEntities = SpawnEntities; 	globals.WriteGame = WriteGame;	globals.ReadGame = ReadGame;	globals.WriteLevel = WriteLevel;	globals.ReadLevel = ReadLevel; 	globals.ClientThink = ClientThink;	globals.ClientConnect = ClientConnect;	globals.ClientUserinfoChanged = ClientUserinfoChanged;	globals.ClientDisconnect = ClientDisconnect;	globals.ClientBegin = ClientBegin;	globals.ClientCommand = ClientCommand; 	globals.RunFrame = G_RunFrame; 	globals.ServerCommand = ServerCommand; 	globals.edict_size = sizeof(edict_t); 	return &globals;}  //======================================================================  /*=================ClientEndServerFrames=================*/void ClientEndServerFrames (void){	int		i;	edict_t	*ent; 	// calc the player views now that all pushing	// and damage has been added	for (i=0 ; i<maxclients->value ; i++)	{		ent = g_edicts + 1 + i;		if (!ent->inuse || !ent->client)			continue;		ClientEndServerFrame (ent);	} } /*=================CreateTargetChangeLevel Returns the created target changelevel=================*/edict_t *CreateTargetChangeLevel(char *map){	edict_t *ent; 	ent = G_Spawn ();	ent->classname = "target_changelevel";	Com_sprintf(level.nextmap, sizeof(level.nextmap), "%s", map);	ent->map = level.nextmap;	return ent;} /*=================EndDMLevel The timelimit or fraglimit has been exceeded=================*/void EndDMLevel (void){	edict_t		*ent;	char *s, *t, *f;	static const char *seps = " ,\n\r"; 	// stay on same level flag	if ((int)dmflags->value & DF_SAME_LEVEL)	{		BeginIntermission (CreateTargetChangeLevel (level.mapname) );		return;	} 	// see if it's in the map list	if (*sv_maplist->string) {		s = strdup(sv_maplist->string);		f = NULL;		t = strtok(s, seps);		while (t != NULL) {			if (cistrcmp(t, level.mapname) == 0) {				// it's in the list, go to the next one				t = strtok(NULL, seps);				if (t == NULL) { // end of list, go to first one					if (f == NULL) // there isn't a first one, same level						BeginIntermission (CreateTargetChangeLevel (level.mapname) );					else						BeginIntermission (CreateTargetChangeLevel (f) );				} else					BeginIntermission (CreateTargetChangeLevel (t) );				free(s);				return;			}			if (!f)				f = t;			t = strtok(NULL, seps);		}		free(s);	} 	if (level.nextmap[0]) // go to a specific map		BeginIntermission (CreateTargetChangeLevel (level.nextmap) );	else {	// search for a changelevel		ent = G_Find (NULL, FOFS(classname), "target_changelevel");		if (!ent)		{	// the map designer didn't include a changelevel,			// so create a fake ent that goes back to the same level			BeginIntermission (CreateTargetChangeLevel (level.mapname) );			return;		}		BeginIntermission (ent);	}} /*=================CheckDMRules=================*/void CheckDMRules (void){	int			i;	gclient_t	*cl; 	if (level.intermissiontime)		return; 	if (!deathmatch->value)		return; 	if (timelimit->value)	{		if (level.time >= timelimit->value*60)		{			gi.bprintf (PRINT_HIGH, "Timelimit hit.\n");			EndDMLevel ();			return;		}	} 	if (fraglimit->value)	{		for (i=0 ; i<maxclients->value ; i++)		{			cl = game.clients + i;			if (!g_edicts[i+1].inuse)				continue; 			if (cl->resp.score >= fraglimit->value)			{				gi.bprintf (PRINT_HIGH, "Fraglimit hit.\n");				EndDMLevel ();				return;			}		}	}}  /*=============ExitLevel=============*/void ExitLevel (void){	int		i;	edict_t	*ent;	char	command [256]; 	Com_sprintf (command, sizeof(command), "gamemap \"%s\"\n", level.changemap);	gi.AddCommandString (command);	level.changemap = NULL;	level.exitintermission = 0;	level.intermissiontime = 0;	ClientEndServerFrames (); 	// clear some things before going to next level	for (i=0 ; i<maxclients->value ; i++)	{		ent = g_edicts + 1 + i;		if (!ent->inuse)			continue;		if (ent->health > ent->client->pers.max_health)			ent->health = ent->client->pers.max_health;	} } /*================G_RunFrame Advances the world by 0.1 seconds================*/void G_RunFrame (void){	int		i;	edict_t	*ent; 	level.framenum++;	level.time = level.framenum*FRAMETIME; 	// choose a client for monsters to target this frame	AI_SetSightClient (); 	// exit intermissions 	if (level.exitintermission)	{		ExitLevel ();		return;	} 	//	// treat each object in turn	// even the world gets a chance to think	//	ent = &g_edicts[0];	for (i=0 ; i<globals.num_edicts ; i++, ent++)	{		if (!ent->inuse)			continue; 		level.current_entity = ent; 		VectorCopy (ent->s.origin, ent->s.old_origin); 		// if the ground entity moved, make sure we are still on it		if ((ent->groundentity) && (ent->groundentity->linkcount != ent->groundentity_linkcount))		{			ent->groundentity = NULL;			if ( !(ent->flags & (FL_SWIM|FL_FLY)) && (ent->svflags & SVF_MONSTER) )			{				M_CheckGround (ent);			}		} 		if (i > 0 && i <= maxclients->value)		{			ClientBeginServerFrame (ent);			continue;		} 		G_RunEntity (ent);	} 	// see if it is time to end a deathmatch	CheckDMRules (); 	// build the playerstate_t structures for all players	ClientEndServerFrames ();}