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fteqw/engine/server/pr_q1qvm.c

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/*
Copyright (C) 1996-1997 Id Software, Inc.
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include "quakedef.h"
#include "qwsvdef.h"
#ifdef VM_Q1
#define GAME_API_VERSION 12
#define MAX_Q1QVM_EDICTS 768 //according to ktx at api version 12 (fte's protocols go to 2048)
#define VMFSID_Q1QVM 57235 //a cookie
#define WASTED_EDICT_T_SIZE 112 //qclib has split edict_t and entvars_t.
//mvdsv and the api we're implementing has them in one lump
//so we need to bias our entvars_t and fake the offsets a little.
//===============================================================
//
// system traps provided by the main engine
//
typedef enum
{
//============== general Quake services ==================
G_GETAPIVERSION, // ( void); //0
G_DPRINT, // ( const char *string ); //1
// print message on the local console
G_ERROR, // ( const char *string ); //2
// abort the game
G_GetEntityToken, //3
G_SPAWN_ENT, //4
G_REMOVE_ENT, //5
G_PRECACHE_SOUND,
G_PRECACHE_MODEL,
G_LIGHTSTYLE,
G_SETORIGIN,
G_SETSIZE, //10
G_SETMODEL,
G_BPRINT,
G_SPRINT,
G_CENTERPRINT,
G_AMBIENTSOUND, //15
G_SOUND,
G_TRACELINE,
G_CHECKCLIENT,
G_STUFFCMD,
G_LOCALCMD, //20
G_CVAR,
G_CVAR_SET,
G_FINDRADIUS,
G_WALKMOVE,
G_DROPTOFLOOR, //25
G_CHECKBOTTOM,
G_POINTCONTENTS,
G_NEXTENT,
G_AIM,
G_MAKESTATIC, //30
G_SETSPAWNPARAMS,
G_CHANGELEVEL,
G_LOGFRAG,
G_GETINFOKEY,
G_MULTICAST, //35
G_DISABLEUPDATES,
G_WRITEBYTE,
G_WRITECHAR,
G_WRITESHORT,
G_WRITELONG, //40
G_WRITEANGLE,
G_WRITECOORD,
G_WRITESTRING,
G_WRITEENTITY,
G_FLUSHSIGNON, //45
g_memset,
g_memcpy,
g_strncpy,
g_sin,
g_cos, //50
g_atan2,
g_sqrt,
g_floor,
g_ceil,
g_acos, //55
G_CMD_ARGC,
G_CMD_ARGV,
G_TraceCapsule,
G_FS_OpenFile,
G_FS_CloseFile, //60
G_FS_ReadFile,
G_FS_WriteFile,
G_FS_SeekFile,
G_FS_TellFile,
G_FS_GetFileList, //65
G_CVAR_SET_FLOAT,
G_CVAR_STRING,
G_Map_Extension,
G_strcmp,
G_strncmp, //70
G_stricmp,
G_strnicmp,
G_Find,
G_executecmd,
G_conprint, //75
G_readcmd,
G_redirectcmd,
G_Add_Bot,
G_Remove_Bot,
G_SetBotUserInfo, //80
G_SetBotCMD,
G_strftime,
G_CMD_ARGS,
G_CMD_TOKENIZE,
G_strlcpy, //85
G_strlcat,
G_MAKEVECTORS,
G_NEXTCLIENT,
G_PRECAHCE_VWEP_MODEL,
G_SETPAUSE,
G_SETUSERINFO,
G_MAX
} gameImport_t;
//
// functions exported by the game subsystem
//
typedef enum
{
GAME_INIT, // ( int levelTime, int randomSeed, int restart );
// init and shutdown will be called every single level
// The game should call G_GET_ENTITY_TOKEN to parse through all the
// entity configuration text and spawn gentities.
GAME_LOADENTS,
GAME_SHUTDOWN, // (void);
GAME_CLIENT_CONNECT, // ( int clientNum ,int isSpectator);
GAME_PUT_CLIENT_IN_SERVER,
GAME_CLIENT_USERINFO_CHANGED, // ( int clientNum,int isSpectator );
GAME_CLIENT_DISCONNECT, // ( int clientNum,int isSpectator );
GAME_CLIENT_COMMAND, // ( int clientNum,int isSpectator );
GAME_CLIENT_PRETHINK,
GAME_CLIENT_THINK, // ( int clientNum,int isSpectator );
GAME_CLIENT_POSTTHINK,
GAME_START_FRAME, // ( int levelTime );
GAME_SETCHANGEPARMS, //self
GAME_SETNEWPARMS,
GAME_CONSOLE_COMMAND, // ( void );
GAME_EDICT_TOUCH, //(self,other)
GAME_EDICT_THINK, //(self,other=world,time)
GAME_EDICT_BLOCKED, //(self,other)
GAME_CLIENT_SAY, //(int isteam)
} gameExport_t;
typedef enum
{
F_INT,
F_FLOAT,
F_LSTRING, // string on disk, pointer in memory, TAG_LEVEL
// F_GSTRING, // string on disk, pointer in memory, TAG_GAME
F_VECTOR,
F_ANGLEHACK,
// F_ENTITY, // index on disk, pointer in memory
// F_ITEM, // index on disk, pointer in memory
// F_CLIENT, // index on disk, pointer in memory
F_IGNORE
} fieldtype_t;
typedef struct
{
string_t name;
int ofs;
fieldtype_t type;
// int flags;
} field_t;
typedef struct {
int pad[28];
int self;
int other;
int world;
float time;
float frametime;
int newmis;
float force_retouch;
string_t mapname;
float serverflags;
float total_secrets;
float total_monsters;
float found_secrets;
float killed_monsters;
float parm1;
float parm2;
float parm3;
float parm4;
float parm5;
float parm6;
float parm7;
float parm8;
float parm9;
float parm10;
float parm11;
float parm12;
float parm13;
float parm14;
float parm15;
float parm16;
vec3_t v_forward;
vec3_t v_up;
vec3_t v_right;
float trace_allsolid;
float trace_startsolid;
float trace_fraction;
vec3_t trace_endpos;
vec3_t trace_plane_normal;
float trace_plane_dist;
int trace_ent;
float trace_inopen;
float trace_inwater;
int msg_entity;
func_t main;
func_t StartFrame;
func_t PlayerPreThink;
func_t PlayerPostThink;
func_t ClientKill;
func_t ClientConnect;
func_t PutClientInServer;
func_t ClientDisconnect;
func_t SetNewParms;
func_t SetChangeParms;
} q1qvmglobalvars_t;
//this is not usable in 64bit to refer to a 32bit qvm (hence why we have two versions).
typedef struct
{
edict_t *ents;
int sizeofent;
q1qvmglobalvars_t *global;
field_t *fields;
int APIversion;
} gameDataN_t;
typedef struct
{
unsigned int ents;
int sizeofent;
unsigned int global;
unsigned int fields;
int APIversion;
} gameData32_t;
typedef int fileHandle_t;
typedef enum {
FS_READ_BIN,
FS_READ_TXT,
FS_WRITE_BIN,
FS_WRITE_TXT,
FS_APPEND_BIN,
FS_APPEND_TXT
} fsMode_t;
typedef enum {
FS_SEEK_CUR,
FS_SEEK_END,
FS_SEEK_SET
} fsOrigin_t;
static field_t *qvmfields;
static char *q1qvmentstring;
static vm_t *q1qvm;
static progfuncs_t q1qvmprogfuncs;
static edict_t *q1qvmedicts[MAX_Q1QVM_EDICTS];
static void *evars; //pointer to the gamecodes idea of an edict_t
static int vevars; //offset into the vm base of evars
/*
static char *Q1QVMPF_AddString(progfuncs_t *pf, char *base, int minlength)
{
char *n;
int l = strlen(base);
Con_Printf("warning: string %s will not be readable from the qvm\n", base);
l = l<minlength?minlength:l;
n = Z_TagMalloc(l+1, VMFSID_Q1QVM);
strcpy(n, base);
return n;
}
*/
static edict_t *Q1QVMPF_EdictNum(progfuncs_t *pf, unsigned int num)
{
edict_t *e;
if (/*num < 0 ||*/ num >= sv.max_edicts)
return NULL;
e = q1qvmedicts[num];
if (!e)
{
e = q1qvmedicts[num] = Z_TagMalloc(sizeof(edict_t)+sizeof(extentvars_t), VMFSID_Q1QVM);
e->v = (stdentvars_t*)((char*)evars + (num * pr_edict_size) + WASTED_EDICT_T_SIZE);
e->xv = (extentvars_t*)(e+1);
e->entnum = num;
}
return e;
}
static unsigned int Q1QVMPF_NumForEdict(progfuncs_t *pf, edict_t *e)
{
return e->entnum;
}
static int Q1QVMPF_EdictToProgs(progfuncs_t *pf, edict_t *e)
{
return e->entnum*pr_edict_size;
}
static edict_t *Q1QVMPF_ProgsToEdict(progfuncs_t *pf, int num)
{
if (num % pr_edict_size)
Con_Printf("Edict To Progs with remainder\n");
num /= pr_edict_size;
return Q1QVMPF_EdictNum(pf, num);
}
void Q1QVMED_ClearEdict (edict_t *e, qboolean wipe)
{
int num = e->entnum;
if (wipe)
memset (e->v, 0, pr_edict_size - WASTED_EDICT_T_SIZE);
e->isfree = false;
e->entnum = num;
}
static void Q1QVMPF_EntRemove(progfuncs_t *pf, edict_t *e)
{
if (!ED_CanFree(e))
return;
e->isfree = true;
e->freetime = sv.time;
}
static edict_t *Q1QVMPF_EntAlloc(progfuncs_t *pf)
{
int i;
edict_t *e;
for ( i=0 ; i<sv.num_edicts ; i++)
{
e = (edict_t*)EDICT_NUM(pf, i);
// the first couple seconds of server time can involve a lot of
// freeing and allocating, so relax the replacement policy
if (!e || (e->isfree && ( e->freetime < 2 || sv.time - e->freetime > 0.5 ) ))
{
Q1QVMED_ClearEdict (e, true);
ED_Spawned((struct edict_s *) e, false);
return (struct edict_s *)e;
}
}
if (i >= sv.max_edicts-1) //try again, but use timed out ents.
{
for ( i=0 ; i<sv.num_edicts ; i++)
{
e = (edict_t*)EDICT_NUM(pf, i);
// the first couple seconds of server time can involve a lot of
// freeing and allocating, so relax the replacement policy
if (!e || (e->isfree))
{
Q1QVMED_ClearEdict (e, true);
ED_Spawned((struct edict_s *) e, false);
return (struct edict_s *)e;
}
}
if (i >= sv.max_edicts-1)
{
Sys_Error ("ED_Alloc: no free edicts");
}
}
sv.num_edicts++;
e = (edict_t*)EDICT_NUM(pf, i);
// new ents come ready wiped
// Q1QVMED_ClearEdict (e, false);
ED_Spawned((struct edict_s *) e, false);
return (struct edict_s *)e;
}
static int Q1QVMPF_LoadEnts(progfuncs_t *pf, char *mapstring, float spawnflags)
{
q1qvmentstring = mapstring;
VM_Call(q1qvm, GAME_LOADENTS);
q1qvmentstring = NULL;
return pr_edict_size;
}
static eval_t *Q1QVMPF_GetEdictFieldValue(progfuncs_t *pf, edict_t *e, char *fieldname, evalc_t *cache)
{
if (!strcmp(fieldname, "message"))
{
return (eval_t*)&e->v->message;
}
return NULL;
}
static eval_t *Q1QVMPF_FindGlobal (progfuncs_t *prinst, char *name, progsnum_t num)
{
return NULL;
}
static globalvars_t *Q1QVMPF_Globals(progfuncs_t *prinst, int prnum)
{
return NULL;
}
static string_t Q1QVMPF_StringToProgs(progfuncs_t *prinst, char *str)
{
return (string_t)(str - (char*)VM_MemoryBase(q1qvm));
}
static char *Q1QVMPF_StringToNative(progfuncs_t *prinst, string_t str)
{
return (char*)VM_MemoryBase(q1qvm) + str;
}
void PF_WriteByte (progfuncs_t *prinst, struct globalvars_s *pr_globals);
void PF_WriteChar (progfuncs_t *prinst, struct globalvars_s *pr_globals);
void PF_WriteShort (progfuncs_t *prinst, struct globalvars_s *pr_globals);
void PF_WriteLong (progfuncs_t *prinst, struct globalvars_s *pr_globals);
void PF_WriteAngle (progfuncs_t *prinst, struct globalvars_s *pr_globals);
void PF_WriteCoord (progfuncs_t *prinst, struct globalvars_s *pr_globals);
void PF_WriteFloat (progfuncs_t *prinst, struct globalvars_s *pr_globals);
void PF_WriteString (progfuncs_t *prinst, struct globalvars_s *pr_globals);
void PF_WriteEntity (progfuncs_t *prinst, struct globalvars_s *pr_globals);
void PF_multicast (progfuncs_t *prinst, struct globalvars_s *pr_globals);
void PF_svtraceline (progfuncs_t *prinst, struct globalvars_s *pr_globals);
void PF_changelevel (progfuncs_t *prinst, struct globalvars_s *pr_globals);
void PF_cvar_set (progfuncs_t *prinst, struct globalvars_s *pr_globals);
void PF_cvar_setf (progfuncs_t *prinst, struct globalvars_s *pr_globals);
void PF_lightstyle (progfuncs_t *prinst, struct globalvars_s *pr_globals);
void PF_ambientsound (progfuncs_t *prinst, struct globalvars_s *pr_globals);
void PF_makestatic (progfuncs_t *prinst, struct globalvars_s *pr_globals);
void PF_logfrag (progfuncs_t *prinst, struct globalvars_s *pr_globals);
void PF_centerprint (progfuncs_t *prinst, struct globalvars_s *pr_globals);
void PF_localcmd (progfuncs_t *prinst, struct globalvars_s *pr_globals);
void PF_ExecuteCommand (progfuncs_t *prinst, struct globalvars_s *pr_globals);
void PF_setspawnparms (progfuncs_t *prinst, struct globalvars_s *pr_globals);
void PF_walkmove (progfuncs_t *prinst, struct globalvars_s *pr_globals);
void PF_ForceInfoKey(progfuncs_t *prinst, struct globalvars_s *pr_globals);
int PF_checkclient_Internal (progfuncs_t *prinst);
void PF_precache_sound_Internal (progfuncs_t *prinst, char *s);
void PF_precache_model_Internal (progfuncs_t *prinst, char *s);
void PF_setmodel_Internal (progfuncs_t *prinst, edict_t *e, char *m);
char *PF_infokey_Internal (int entnum, char *value);
static int WrapQCBuiltin(builtin_t func, void *offset, unsigned int mask, const int *arg, char *argtypes)
{
globalvars_t gv;
int argnum=0;
while(*argtypes)
{
switch(*argtypes++)
{
case 'f':
gv.param[argnum++].f = VM_FLOAT(*arg++);
break;
case 'i':
gv.param[argnum++].f = VM_LONG(*arg++);
break;
case 'n': //ent num
gv.param[argnum++].i = EDICT_TO_PROG(svprogfuncs, Q1QVMPF_EdictNum(svprogfuncs, VM_LONG(*arg++)));
break;
case 'v': //three seperate args -> 1 vector
gv.param[argnum].vec[0] = VM_FLOAT(*arg++);
gv.param[argnum].vec[1] = VM_FLOAT(*arg++);
gv.param[argnum].vec[2] = VM_FLOAT(*arg++);
argnum++;
break;
case 's': //three seperate args -> 1 vector
gv.param[argnum].i = VM_LONG(*arg++);
argnum++;
break;
}
}
svprogfuncs->callargc = &argnum;
gv.ret.i = 0;
func(svprogfuncs, &gv);
return gv.ret.i;
}
#define VALIDATEPOINTER(o,l) if ((int)o + l >= mask || VM_POINTER(o) < offset) SV_Error("Call to game trap %i passes invalid pointer\n", fn); //out of bounds.
static int syscallqvm (void *offset, unsigned int mask, int fn, const int *arg)
{
switch (fn)
{
case G_GETAPIVERSION:
return GAME_API_VERSION;
case G_DPRINT:
Con_Printf("%s", VM_POINTER(arg[0]));
break;
case G_ERROR:
SV_Error("Q1QVM: %s", VM_POINTER(arg[0]));
break;
case G_GetEntityToken:
{
if (VM_OOB(arg[0], arg[1]))
return false;
if (q1qvmentstring)
{
char *ret = VM_POINTER(arg[0]);
q1qvmentstring = COM_Parse(q1qvmentstring);
Q_strncpyz(ret, com_token, VM_LONG(arg[1]));
return *com_token != 0;
}
else
{
char *ret = VM_POINTER(arg[0]);
strcpy(ret, "");
return false;
}
}
break;
case G_SPAWN_ENT:
return Q1QVMPF_EntAlloc(svprogfuncs)->entnum;
case G_REMOVE_ENT:
if (arg[0] >= sv.max_edicts)
return false;
Q1QVMPF_EntRemove(svprogfuncs, q1qvmedicts[arg[0]]);
return true;
case G_PRECACHE_SOUND:
PF_precache_sound_Internal(svprogfuncs, VM_POINTER(arg[0]));
break;
case G_PRECACHE_MODEL:
PF_precache_model_Internal(svprogfuncs, VM_POINTER(arg[0]));
break;
case G_LIGHTSTYLE:
WrapQCBuiltin(PF_lightstyle, offset, mask, arg, "is");
break;
case G_SETORIGIN:
{
edict_t *e = Q1QVMPF_EdictNum(svprogfuncs, arg[0]);
if (!e || e->isfree)
return false;
e->v->origin[0] = VM_FLOAT(arg[1]);
e->v->origin[1] = VM_FLOAT(arg[2]);
e->v->origin[2] = VM_FLOAT(arg[3]);
SV_LinkEdict (e, false);
return true;
}
break;
case G_SETSIZE:
{
edict_t *e = Q1QVMPF_EdictNum(svprogfuncs, arg[0]);
if (!e || e->isfree)
return false;
e->v->mins[0] = VM_FLOAT(arg[1]);
e->v->mins[1] = VM_FLOAT(arg[2]);
e->v->mins[2] = VM_FLOAT(arg[3]);
e->v->maxs[0] = VM_FLOAT(arg[4]);
e->v->maxs[1] = VM_FLOAT(arg[5]);
e->v->maxs[2] = VM_FLOAT(arg[6]);
VectorSubtract (e->v->maxs, e->v->mins, e->v->size);
SV_LinkEdict (e, false);
return true;
}
case G_SETMODEL:
{
edict_t *e = Q1QVMPF_EdictNum(svprogfuncs, arg[0]);
PF_setmodel_Internal(svprogfuncs, e, VM_POINTER(arg[1]));
}
break;
case G_BPRINT:
SV_BroadcastPrintf(arg[0], "%s", VM_POINTER(arg[1]));
break;
case G_SPRINT:
if ((unsigned)VM_LONG(arg[0]) > sv.allocated_client_slots)
return 0;
SV_ClientPrintf(&svs.clients[VM_LONG(arg[0])-1], VM_LONG(arg[1]), "%s", VM_POINTER(arg[2]));
break;
case G_CENTERPRINT:
WrapQCBuiltin(PF_centerprint, offset, mask, arg, "ns");
break;
case G_AMBIENTSOUND:
WrapQCBuiltin(PF_ambientsound, offset, mask, arg, "vsff");
break;
case G_SOUND:
// ( int edn, int channel, char *samp, float vol, float att )
SV_StartSound (Q1QVMPF_EdictNum(svprogfuncs, VM_LONG(arg[0])), VM_LONG(arg[1]), VM_POINTER(arg[2]), VM_FLOAT(arg[3])*255, VM_FLOAT(arg[4]));
break;
case G_TRACELINE:
WrapQCBuiltin(PF_svtraceline, offset, mask, arg, "vvin");
break;
case G_CHECKCLIENT:
return PF_checkclient_Internal(svprogfuncs);
case G_STUFFCMD:
{
char *s;
client_t *cl;
if ((unsigned)VM_LONG(arg[0]) > sv.allocated_client_slots)
return -1;
cl = &svs.clients[VM_LONG(arg[0])-1];
if (cl->state != cs_spawned)
return -1;
s = VM_POINTER(arg[1]);
ClientReliableWrite_Begin (cl, svc_stufftext, 3+strlen(s));
ClientReliableWrite_String(cl, s);
}
break;
case G_LOCALCMD:
WrapQCBuiltin(PF_localcmd, offset, mask, arg, "s");
break;
case G_CVAR:
{
int i;
cvar_t *c;
c = Cvar_Get(VM_POINTER(arg[0]), "", 0, "Gamecode");
i = VM_LONG(c->value);
return i;
}
case G_CVAR_SET:
WrapQCBuiltin(PF_cvar_set, offset, mask, arg, "ss");
break;
case G_FINDRADIUS:
{
int start = ((char*)VM_POINTER(arg[0]) - (char*)evars) / pr_edict_size;
edict_t *ed;
vec3_t diff;
float *org = VM_POINTER(arg[1]);
float rad = VM_FLOAT(arg[2]);
rad *= rad;
for(start++; start < sv.num_edicts; start++)
{
ed = EDICT_NUM(svprogfuncs, start);
if (ed->isfree)
continue;
VectorSubtract(ed->v->origin, org, diff);
if (rad > DotProduct(diff, diff))
return (int)(vevars + start*pr_edict_size);
}
return 0;
}
case G_WALKMOVE:
return WrapQCBuiltin(PF_cvar_set, offset, mask, arg, "ff");
case G_DROPTOFLOOR:
{
edict_t *ent;
vec3_t end;
vec3_t start;
trace_t trace;
extern cvar_t pr_droptofloorunits;
ent = PROG_TO_EDICT(svprogfuncs, pr_global_struct->self);
VectorCopy (ent->v->origin, end);
if (pr_droptofloorunits.value > 0)
end[2] -= pr_droptofloorunits.value;
else
end[2] -= 256;
VectorCopy (ent->v->origin, start);
trace = SV_Move (start, ent->v->mins, ent->v->maxs, end, MOVE_NORMAL, ent);
if (trace.fraction == 1 || trace.allsolid)
return false;
else
{
VectorCopy (trace.endpos, ent->v->origin);
SV_LinkEdict (ent, false);
ent->v->flags = (int)ent->v->flags | FL_ONGROUND;
ent->v->groundentity = EDICT_TO_PROG(svprogfuncs, trace.ent);
return true;
}
}
break;
case G_CHECKBOTTOM:
return SV_CheckBottom(EDICT_NUM(svprogfuncs, VM_LONG(arg[0])));
case G_POINTCONTENTS:
{
vec3_t v;
v[0] = VM_FLOAT(arg[0]);
v[1] = VM_FLOAT(arg[1]);
v[2] = VM_FLOAT(arg[2]);
return sv.worldmodel->funcs.PointContents(sv.worldmodel, v);
}
break;
case G_NEXTENT:
{ //input output are entity numbers
unsigned int i;
edict_t *ent;
i = VM_LONG(arg[0]);
while (1)
{
i++;
if (i >= sv.num_edicts)
{
return 0;
}
ent = EDICT_NUM(svprogfuncs, i);
if (!ent->isfree)
{
return i;
}
}
break;
}
/*
case G_AIM: //not in mvdsv anyway
break;
*/
case G_MAKESTATIC:
WrapQCBuiltin(PF_makestatic, offset, mask, arg, "n");
break;
case G_SETSPAWNPARAMS:
WrapQCBuiltin(PF_setspawnparms, offset, mask, arg, "n");
break;
case G_CHANGELEVEL:
WrapQCBuiltin(PF_changelevel, offset, mask, arg, "s");
break;
case G_LOGFRAG:
WrapQCBuiltin(PF_logfrag, offset, mask, arg, "nn");
break;
case G_GETINFOKEY:
{
char *v;
if (VM_OOB(arg[2], arg[3]))
return -1;
v = PF_infokey_Internal(VM_LONG(arg[0]), VM_POINTER(arg[1]));
Q_strncpyz(VM_POINTER(arg[2]), v, VM_LONG(arg[3]));
}
break;
case G_MULTICAST:
WrapQCBuiltin(PF_multicast, offset, mask, arg, "vi");
break;
case G_DISABLEUPDATES:
//FIXME: remember to ask mvdsv people why this is useful
Con_Printf("G_DISABLEUPDATES: not supported\n");
break;
case G_WRITEBYTE:
WrapQCBuiltin(PF_WriteByte, offset, mask, arg, "ii");
break;
case G_WRITECHAR:
WrapQCBuiltin(PF_WriteChar, offset, mask, arg, "ii");
break;
case G_WRITESHORT:
WrapQCBuiltin(PF_WriteShort, offset, mask, arg, "ii");
break;
case G_WRITELONG:
WrapQCBuiltin(PF_WriteLong, offset, mask, arg, "ii");
break;
case G_WRITEANGLE:
WrapQCBuiltin(PF_WriteAngle, offset, mask, arg, "if");
break;
case G_WRITECOORD:
WrapQCBuiltin(PF_WriteCoord, offset, mask, arg, "if");
break;
case G_WRITESTRING:
WrapQCBuiltin(PF_WriteString, offset, mask, arg, "is");
break;
case G_WRITEENTITY:
WrapQCBuiltin(PF_WriteEntity, offset, mask, arg, "in");
break;
case G_FLUSHSIGNON:
SV_FlushSignon ();
break;
case g_memset:
{
void *dst = VM_POINTER(arg[0]);
VALIDATEPOINTER(arg[0], arg[2]);
memset(dst, arg[1], arg[2]);
return arg[0];
}
case g_memcpy:
{
void *dst = VM_POINTER(arg[0]);
void *src = VM_POINTER(arg[1]);
VALIDATEPOINTER(arg[0], arg[2]);
memmove(dst, src, arg[2]);
return arg[0];
}
break;
case g_strncpy:
VALIDATEPOINTER(arg[0], arg[2]);
Q_strncpyS(VM_POINTER(arg[0]), VM_POINTER(arg[1]), arg[2]);
return arg[0];
case g_sin:
VM_FLOAT(fn)=(float)sin(VM_FLOAT(arg[0]));
return fn;
case g_cos:
VM_FLOAT(fn)=(float)cos(VM_FLOAT(arg[0]));
return fn;
case g_atan2:
VM_FLOAT(fn)=(float)atan2(VM_FLOAT(arg[0]), VM_FLOAT(arg[1]));
return fn;
case g_sqrt:
VM_FLOAT(fn)=(float)sqrt(VM_FLOAT(arg[0]));
return fn;
case g_floor:
VM_FLOAT(fn)=(float)floor(VM_FLOAT(arg[0]));
return fn;
case g_ceil:
VM_FLOAT(fn)=(float)ceil(VM_FLOAT(arg[0]));
return fn;
case g_acos:
VM_FLOAT(fn)=(float)acos(VM_FLOAT(arg[0]));
return fn;
case G_CMD_ARGC:
return Cmd_Argc();
case G_CMD_ARGV:
{
char *c;
c = Cmd_Argv(VM_LONG(arg[0]));
if (VM_OOB(arg[1], arg[2]))
return -1;
Q_strncpyz(VM_POINTER(arg[1]), c, VM_LONG(arg[2]));
}
break;
case G_TraceCapsule:
WrapQCBuiltin(PF_svtraceline, offset, mask, arg, "vvinvv");
break;
case G_FS_OpenFile:
//0 = name
//1 = &handle
//2 = mode
//ret = filesize or -1
// Con_Printf("G_FSOpenFile: %s (mode %i)\n", VM_POINTER(arg[0]), arg[2]);
return VM_fopen(VM_POINTER(arg[0]), VM_POINTER(arg[1]), arg[2]/2, VMFSID_Q1QVM);
case G_FS_CloseFile:
VM_fclose(arg[0], VMFSID_Q1QVM);
break;
case G_FS_ReadFile:
if (VM_OOB(arg[0], arg[1]))
return 0;
return VM_FRead(VM_POINTER(arg[0]), VM_LONG(arg[1]), VM_LONG(arg[2]), VMFSID_Q1QVM);
/*
//not supported, open will fail anyway
case G_FS_WriteFile:
return VM_FWrite(VM_POINTER(arg[0]), VM_LONG(arg[1]), VM_LONG(arg[2]), VMFSID_Q1QVM);
break;
*/
/*
case G_FS_SeekFile:
// int trap_FS_SeekFile( fileHandle_t handle, int offset, int type )
return VM_FSeek(VM_LONG(arg[0]), VM_LONG(arg[1]), VM_LONG(arg[2]));
break;
*/
/*
case G_FS_TellFile:
break;
*/
case G_FS_GetFileList:
if (VM_OOB(arg[2], arg[3]))
return 0;
return VM_GetFileList(VM_POINTER(arg[0]), VM_POINTER(arg[1]), VM_POINTER(arg[2]), VM_LONG(arg[3]));
break;
case G_CVAR_SET_FLOAT:
WrapQCBuiltin(PF_cvar_setf, offset, mask, arg, "sf");
break;
case G_CVAR_STRING:
{
cvar_t *cv;
if (VM_OOB(arg[1], arg[2]))
return -1;
cv = Cvar_Get(VM_POINTER(arg[0]), "", 0, "QC variables");
Q_strncpyz(VM_POINTER(arg[1]), cv->string, VM_LONG(arg[2]));
}
break;
case G_Map_Extension:
//yes, this does exactly match mvdsv...
if (VM_LONG(arg[1]) < G_MAX)
return -2; //can't map that there
else
return -1; //extension not known
case G_strcmp:
{
char *a = VM_POINTER(arg[0]);
char *b = VM_POINTER(arg[1]);
return strcmp(a, b);
}
case G_strncmp:
{
char *a = VM_POINTER(arg[0]);
char *b = VM_POINTER(arg[1]);
return strncmp(a, b, VM_LONG(arg[2]));
}
case G_stricmp:
{
char *a = VM_POINTER(arg[0]);
char *b = VM_POINTER(arg[1]);
return stricmp(a, b);
}
case G_strnicmp:
{
char *a = VM_POINTER(arg[0]);
char *b = VM_POINTER(arg[1]);
return strnicmp(a, b, VM_LONG(arg[2]));
}
case G_Find:
{
edict_t *e = VM_POINTER(arg[0]);
int ofs = VM_LONG(arg[1]) - WASTED_EDICT_T_SIZE;
char *match = VM_POINTER(arg[2]);
char *field;
int first = e?((char*)e - (char*)evars)/pr_edict_size:0;
int i;
if (!match)
match = "";
for (i = first+1; i < sv.num_edicts; i++)
{
e = q1qvmedicts[i];
field = VM_POINTER(*((string_t*)e->v + ofs/4));
if (field == NULL)
{
if (*match == '\0')
return ((char*)e->v - (char*)offset)-WASTED_EDICT_T_SIZE;
}
else
{
if (!strcmp(field, match))
return ((char*)e->v - (char*)offset)-WASTED_EDICT_T_SIZE;
}
}
}
return 0;
case G_executecmd:
WrapQCBuiltin(PF_ExecuteCommand, offset, mask, arg, "");
break;
case G_conprint:
Con_Printf("%s", VM_POINTER(arg[0]));
break;
case G_readcmd:
{
extern char outputbuf[];
extern redirect_t sv_redirected;
extern int sv_redirectedlang;
redirect_t old;
int oldl;
char *s = VM_POINTER(arg[0]);
char *output = VM_POINTER(arg[1]);
int outputlen = VM_LONG(arg[2]);
if (VM_OOB(arg[1], arg[2]))
return -1;
Cbuf_Execute(); //FIXME: this code is flawed
Cbuf_AddText (s, RESTRICT_LOCAL);
old = sv_redirected;
oldl = sv_redirectedlang;
if (old != RD_NONE)
SV_EndRedirect();
SV_BeginRedirect(RD_OBLIVION, LANGDEFAULT);
Cbuf_Execute();
Q_strncpyz(output, outputbuf, outputlen);
SV_EndRedirect();
if (old != RD_NONE)
SV_BeginRedirect(old, oldl);
Con_DPrintf("PF_readcmd: %s\n%s", s, output);
}
break;
case G_redirectcmd:
//FIXME: KTX uses this, along with a big fat warning.
//it shouldn't be vital to the normal functionality
//just restricts admin a little (did these guys never hear of rcon?)
//I'm too lazy to implement it though.
return 0;
case G_Add_Bot:
//FIXME: not implemented, always returns failure.
//the other bot functions only ever work on bots anyway, so don't need to be implemented until this one is
return 0;
/*
case G_Remove_Bot:
break;
case G_SetBotCMD:
break;
*/
case G_SETUSERINFO:
{
char *key = VM_POINTER(arg[1]);
if (*key == '*' && (VM_LONG(arg[3])&1))
return -1; //denied!
}
//fallthrough
case G_SetBotUserInfo:
WrapQCBuiltin(PF_ForceInfoKey, offset, mask, arg, "ess");
return 0;
case G_strftime:
{
char *out = VM_POINTER(arg[0]);
char *fmt = VM_POINTER(arg[2]);
time_t curtime;
struct tm *local;
if (VM_OOB(arg[0], arg[1]) || !out)
return -1; //please don't corrupt me
time(&curtime);
curtime += VM_LONG(arg[3]);
local = localtime(&curtime);
strftime(out, VM_LONG(arg[1]), fmt, local);
}
break;
case G_CMD_ARGS:
{
char *c;
c = Cmd_Args();
if (VM_OOB(arg[0], arg[1]))
return -1;
Q_strncpyz(VM_POINTER(arg[0]), c, VM_LONG(arg[1]));
}
break;
case G_CMD_TOKENIZE:
{
char *str = VM_POINTER(arg[0]);
Cmd_TokenizeString(str, false, false);
return Cmd_Argc();
}
break;
case G_strlcpy:
{
char *dst = VM_POINTER(arg[0]);
char *src = VM_POINTER(arg[1]);
if (VM_OOB(arg[0], arg[2]))
return -1;
Q_strncpyz(dst, src, VM_LONG(arg[2]));
//WARNING: no return value
}
break;
case G_strlcat:
{
char *dst = VM_POINTER(arg[0]);
char *src = VM_POINTER(arg[1]);
if (VM_OOB(arg[0], arg[2]))
return -1;
Q_strncatz(dst, src, VM_LONG(arg[2]));
//WARNING: no return value
}
break;
case G_MAKEVECTORS:
AngleVectors(VM_POINTER(arg[0]), P_VEC(v_forward), P_VEC(v_right), P_VEC(v_up));
break;
case G_NEXTCLIENT:
{
unsigned int start = ((char*)VM_POINTER(arg[0]) - (char*)evars) / pr_edict_size;
while (start < sv.allocated_client_slots)
{
if (svs.clients[start].state == cs_spawned)
return (int)(vevars + (start+1) * pr_edict_size);
start++;
}
return 0;
}
break;
default:
SV_Error("Q1QVM: Trap %i not implemented\n", fn);
break;
}
return 0;
}
static int EXPORT_FN syscallnative (int arg, ...)
{
int args[13];
va_list argptr;
va_start(argptr, arg);
args[0]=va_arg(argptr, int);
args[1]=va_arg(argptr, int);
args[2]=va_arg(argptr, int);
args[3]=va_arg(argptr, int);
args[4]=va_arg(argptr, int);
args[5]=va_arg(argptr, int);
args[6]=va_arg(argptr, int);
args[7]=va_arg(argptr, int);
args[8]=va_arg(argptr, int);
args[9]=va_arg(argptr, int);
args[10]=va_arg(argptr, int);
args[11]=va_arg(argptr, int);
args[12]=va_arg(argptr, int);
va_end(argptr);
return syscallqvm(NULL, ~0, arg, args);
}
void Q1QVM_Shutdown(void)
{
int i;
if (q1qvm)
{
for (i = 0; i < MAX_CLIENTS; i++)
{
if (svs.clients[i].name)
Q_strncpyz(svs.clients[i].namebuf, svs.clients[i].name, sizeof(svs.clients[i].namebuf));
svs.clients[i].name = svs.clients[i].namebuf;
}
VM_Destroy(q1qvm);
}
q1qvm = NULL;
VM_fcloseall(VMFSID_Q1QVM);
if (svprogfuncs == &q1qvmprogfuncs)
svprogfuncs = NULL;
Z_FreeTags(VMFSID_Q1QVM);
}
qboolean PR_LoadQ1QVM(void)
{
static float writable;
int i;
gameDataN_t *gd, gdm;
gameData32_t *gd32;
int ret;
if (q1qvm)
VM_Destroy(q1qvm);
q1qvm = VM_Create(NULL, "qwprogs", syscallnative, syscallqvm);
if (!q1qvm)
return false;
progstype = PROG_QW;
svprogfuncs = &q1qvmprogfuncs;
// q1qvmprogfuncs.AddString = Q1QVMPF_AddString; //using this breaks 64bit support, and is a 'bad plan' elsewhere too,
q1qvmprogfuncs.EDICT_NUM = Q1QVMPF_EdictNum;
q1qvmprogfuncs.NUM_FOR_EDICT = Q1QVMPF_NumForEdict;
q1qvmprogfuncs.EdictToProgs = Q1QVMPF_EdictToProgs;
q1qvmprogfuncs.ProgsToEdict = Q1QVMPF_ProgsToEdict;
q1qvmprogfuncs.EntAlloc = Q1QVMPF_EntAlloc;
q1qvmprogfuncs.EntFree = Q1QVMPF_EntRemove;
q1qvmprogfuncs.FindGlobal = Q1QVMPF_FindGlobal;
q1qvmprogfuncs.load_ents = Q1QVMPF_LoadEnts;
q1qvmprogfuncs.globals = Q1QVMPF_Globals;
q1qvmprogfuncs.GetEdictFieldValue = Q1QVMPF_GetEdictFieldValue;
q1qvmprogfuncs.StringToProgs = Q1QVMPF_StringToProgs;
q1qvmprogfuncs.StringToNative = Q1QVMPF_StringToNative;
sv.num_edicts = 0; //we're not ready for most of the builtins yet
sv.max_edicts = 0; //so clear these out, just in case
pr_edict_size = 0; //if we get a division by zero, then at least its a safe crash
memset(q1qvmedicts, 0, sizeof(q1qvmedicts));
q1qvmprogfuncs.stringtable = VM_MemoryBase(q1qvm);
ret = VM_Call(q1qvm, GAME_INIT, (int)(sv.time*1000), rand());
if (!ret)
{
Q1QVM_Shutdown();
return false;
}
gd32 = (gameData32_t*)((char*)VM_MemoryBase(q1qvm) + ret); //qvm is 32bit
//when running native64, we need to convert these to real types, so we can use em below
gd = &gdm;
gd->ents = gd32->ents;
gd->sizeofent = gd32->sizeofent;
gd->global = gd32->global;
gd->fields = gd32->fields;
gd->APIversion = gd32->APIversion;
pr_edict_size = gd->sizeofent;
vevars = (long)gd->ents;
evars = ((char*)VM_MemoryBase(q1qvm) + vevars);
//FIXME: range check this pointer
//FIXME: range check the globals pointer
sv.num_edicts = 1;
sv.max_edicts = sizeof(q1qvmedicts)/sizeof(q1qvmedicts[0]);
//WARNING: global is not remapped yet...
//This code is written evilly, but works well enough
#define globalint(required, name) pr_nqglobal_struct->name = (int*)((char*)VM_MemoryBase(q1qvm)+(long)&gd->global->name) //the logic of this is somewhat crazy
#define globalfloat(required, name) pr_nqglobal_struct->name = (float*)((char*)VM_MemoryBase(q1qvm)+(long)&gd->global->name)
#define globalstring(required, name) pr_nqglobal_struct->name = (string_t*)((char*)VM_MemoryBase(q1qvm)+(long)&gd->global->name)
#define globalvec(required, name) pr_nqglobal_struct->V_##name = (vec3_t*)((char*)VM_MemoryBase(q1qvm)+(long)&gd->global->name)
#define globalfunc(required, name) pr_nqglobal_struct->name = (int*)((char*)VM_MemoryBase(q1qvm)+(long)&gd->global->name)
globalint (true, self); //we need the qw ones, but any in standard quake and not quakeworld, we don't really care about.
globalint (true, other);
globalint (true, world);
globalfloat (true, time);
globalfloat (true, frametime);
globalint (false, newmis); //not always in nq.
globalfloat (false, force_retouch);
globalstring (true, mapname);
// globalfloat (false, deathmatch);
// globalfloat (false, coop);
// globalfloat (false, teamplay);
globalfloat (true, serverflags);
globalfloat (true, total_secrets);
globalfloat (true, total_monsters);
globalfloat (true, found_secrets);
globalfloat (true, killed_monsters);
globalvec (true, v_forward);
globalvec (true, v_up);
globalvec (true, v_right);
globalfloat (true, trace_allsolid);
globalfloat (true, trace_startsolid);
globalfloat (true, trace_fraction);
globalvec (true, trace_endpos);
globalvec (true, trace_plane_normal);
globalfloat (true, trace_plane_dist);
globalint (true, trace_ent);
globalfloat (true, trace_inopen);
globalfloat (true, trace_inwater);
// globalfloat (false, trace_endcontents);
// globalfloat (false, trace_surfaceflags);
// globalfloat (false, cycle_wrapped);
globalint (false, msg_entity);
globalfunc (false, main);
globalfunc (true, StartFrame);
globalfunc (true, PlayerPreThink);
globalfunc (true, PlayerPostThink);
globalfunc (true, ClientKill);
globalfunc (true, ClientConnect);
globalfunc (true, PutClientInServer);
globalfunc (true, ClientDisconnect);
globalfunc (false, SetNewParms);
globalfunc (false, SetChangeParms);
pr_nqglobal_struct->trace_surfaceflags = &writable;
pr_nqglobal_struct->trace_endcontents = &writable;
for (i = 0; i < 16; i++)
spawnparamglobals[i] = (float*)((char*)VM_MemoryBase(q1qvm)+(long)(&gd->global->parm1 + i));
for (; i < NUM_SPAWN_PARMS; i++)
spawnparamglobals[i] = NULL;
sv.edicts = EDICT_NUM(svprogfuncs, 0);
return true;
}
void Q1QVM_ClientConnect(client_t *cl)
{
if (cl->edict->v->netname)
{
strcpy(cl->namebuf, cl->name);
cl->name = Q1QVMPF_StringToNative(svprogfuncs, cl->edict->v->netname);
//FIXME: check this pointer
strcpy(cl->name, cl->namebuf);
}
// call the spawn function
pr_global_struct->time = sv.time;
pr_global_struct->self = EDICT_TO_PROG(svprogfuncs, cl->edict);
VM_Call(q1qvm, GAME_CLIENT_CONNECT, cl->spectator);
// actually spawn the player
pr_global_struct->time = sv.time;
pr_global_struct->self = EDICT_TO_PROG(svprogfuncs, cl->edict);
VM_Call(q1qvm, GAME_PUT_CLIENT_IN_SERVER, cl->spectator);
}
qboolean Q1QVM_GameConsoleCommand(void)
{
int oldself, oldother;
if (!q1qvm)
return false;
//FIXME: if an rcon command from someone on the server, mvdsv sets self to match the ip of that player
//this is not required (broken by proxies anyway) but is a nice handy feature
pr_global_struct->time = sv.time;
oldself = pr_global_struct->self; //these are usually useless
oldother = pr_global_struct->other; //but its possible that someone makes a mod that depends on the 'mod' command working via redirectcmd+co
//this at least matches mvdsv
pr_global_struct->self = 0;
pr_global_struct->other = 0;
VM_Call(q1qvm, GAME_CONSOLE_COMMAND); //mod uses Cmd_Argv+co to get args
pr_global_struct->self = oldself;
pr_global_struct->other = oldother;
return true;
}
qboolean Q1QVM_ClientSay(edict_t *player, qboolean team)
{
qboolean washandled;
if (!q1qvm)
return false;
SV_EndRedirect();
pr_global_struct->time = sv.time;
pr_global_struct->self = Q1QVMPF_EdictToProgs(svprogfuncs, player);
washandled = VM_Call(q1qvm, GAME_CLIENT_SAY, team);
SV_BeginRedirect(RD_CLIENT, host_client->language); //put it back to how we expect it was. *shudder*
return washandled;
}
qboolean Q1QVM_UserInfoChanged(edict_t *player)
{
if (!q1qvm)
return false;
pr_global_struct->time = sv.time;
pr_global_struct->self = Q1QVMPF_EdictToProgs(svprogfuncs, player);
return VM_Call(q1qvm, GAME_CLIENT_USERINFO_CHANGED);
}
void Q1QVM_PlayerPreThink(void)
{
VM_Call(q1qvm, GAME_CLIENT_PRETHINK, host_client->spectator);
}
void Q1QVM_RunPlayerThink(void)
{
VM_Call(q1qvm, GAME_EDICT_THINK);
VM_Call(q1qvm, GAME_CLIENT_THINK, host_client->spectator);
}
void Q1QVM_PostThink(void)
{
VM_Call(q1qvm, GAME_CLIENT_POSTTHINK, host_client->spectator);
}
void Q1QVM_StartFrame(void)
{
VM_Call(q1qvm, GAME_START_FRAME, (int)(sv.time*1000));
}
void Q1QVM_Touch(void)
{
VM_Call(q1qvm, GAME_EDICT_TOUCH);
}
void Q1QVM_Think(void)
{
VM_Call(q1qvm, GAME_EDICT_THINK);
}
void Q1QVM_Blocked(void)
{
VM_Call(q1qvm, GAME_EDICT_BLOCKED);
}
void Q1QVM_SetNewParms(void)
{
VM_Call(q1qvm, GAME_SETNEWPARMS);
}
void Q1QVM_SetChangeParms(void)
{
VM_Call(q1qvm, GAME_SETCHANGEPARMS);
}
void Q1QVM_ClientCommand(void)
{
VM_Call(q1qvm, GAME_CLIENT_COMMAND);
}
void Q1QVM_DropClient(client_t *cl)
{
pr_global_struct->self = EDICT_TO_PROG(svprogfuncs, cl->edict);
VM_Call(q1qvm, GAME_CLIENT_DISCONNECT);
}
void Q1QVM_ChainMoved(void)
{
}
void Q1QVM_EndFrame(void)
{
}
#endif
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