thirtyflightsofloving/zaero/g_main.c
2020-07-29 06:05:09 -04:00

373 lines
7 KiB
C

#include "g_local.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 *zdmflags;
cvar_t *skill;
cvar_t *fraglimit;
cvar_t *timelimit;
cvar_t *password;
cvar_t *maxclients;
cvar_t *maxentities;
cvar_t *g_select_empty;
cvar_t *dedicated;
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 *gamedir;
cvar_t *sv_cheats;
cvar_t *sv_stopspeed; //PGM (this was a define in g_phys.c)
cvar_t *sv_step_fraction; // Knightmare- this was a define in p_view.c
cvar_t *readout; // Knightmare added
#ifdef CACHE_SOUND
cvar_t *printSoundRejects;
int internalSoundIndex(char *name);
int (*actual_soundindex) (char *name);
#endif
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 ServerCommand(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 points
and global variables
=================
*/
game_export_t *GetGameAPI (game_import_t *import)
{
gi = *import;
#ifdef CACHE_SOUND
actual_soundindex = gi.soundindex;
gi.soundindex = internalSoundIndex;
#endif
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);
readout = gi.cvar("readout", "0", CVAR_SERVERINFO); // Knightmare added
return &globals;
}
#ifndef GAME_HARD_LINKED
// this is only here so the functions in q_shared.c and q_shwin.c can link
void Sys_Error (char *error, ...)
{
va_list argptr;
char text[1024];
va_start (argptr, error);
Q_vsnprintf (text, sizeof(text), error, argptr);
va_end (argptr);
gi.error (ERR_FATAL, "%s", text);
}
void Com_Printf (char *msg, ...)
{
va_list argptr;
char text[1024];
va_start (argptr, msg);
Q_vsnprintf (text, sizeof(text), msg, argptr);
va_end (argptr);
gi.dprintf ("%s", text);
}
#endif
//======================================================================
/*
=================
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);
}
}
/*
=================
EndDMLevel
The timelimit or fraglimit has been exceeded
=================
*/
void EndDMLevel (void)
{
edict_t *ent;
// stay on same level flag
if ((int)dmflags->value & DF_SAME_LEVEL)
{
ent = G_Spawn ();
ent->classname = "target_changelevel";
ent->map = level.mapname;
ent->spawnflags2 = 0;
}
else if (level.nextmap[0])
{ // go to a specific map
ent = G_Spawn ();
ent->classname = "target_changelevel";
ent->map = level.nextmap;
ent->spawnflags2 = 0;
}
else
{ // search for a changeleve
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
ent = G_Spawn ();
ent->classname = "target_changelevel";
ent->map = level.mapname;
ent->spawnflags2 = 0;
}
}
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;
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;
}
level.fadeFrames = 0;
level.exitintermission = 0;
level.intermissiontime = 0;
}
/*
================
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.fadeFrames > 1)
{
level.fadeFrames--;
}
else 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;
if(!(ent->flags & FL_DONTSETOLDORIGIN))
{
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 ();
}