]> de.git.xonotic.org Git - xonotic/darkplaces.git/blobdiff - prvm_cmds.c
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[xonotic/darkplaces.git] / prvm_cmds.c
index 4bf7209baf33608520d2fe9e019921914a62f968..9930c3318d551dc3844856476b4366799ec9dee4 100644 (file)
 // cause large (I think they will) parts are from pr_cmds the same copyright like in pr_cmds
 // also applies here
 
-
-/*
-============================================================================
-common cmd list:
-=================
-
-               checkextension(string)
-               error(...[string])
-               objerror(...[string)
-               print(...[strings])
-               bprint(...[string])
-               sprint(float clientnum,...[string])
-               centerprint(...[string])
-vector normalize(vector)
-float  vlen(vector)
-float  vectoyaw(vector)
-vector vectoangles(vector)
-float  random()
-               cmd(string)
-               float cvar (string)
-               cvar_set (string,string)
-               dprint(...[string])
-string ftos(float)
-float  fabs(float)
-string vtos(vector)
-string etos(entity)
-float  stof(...[string])
-entity spawn()
-               remove(entity e)
-entity find(entity start, .string field, string match)
-
-entity findfloat(entity start, .float field, float match)
-entity findentity(entity start, .entity field, entity match)
-
-entity findchain(.string field, string match)
-
-entity findchainfloat(.string field, float match)
-entity findchainentity(.string field, entity match)
-  
-string precache_file(string)
-string precache_sound (string sample)
-               coredump()
-               traceon()
-               traceoff()
-               eprint(entity e)
-float  rint(float)
-float  floor(float)
-float  ceil(float)
-entity nextent(entity)
-float  sin(float)
-float  cos(float)
-float  sqrt(float)
-vector randomvec()
-float  registercvar (string name, string value, float flags)
-float  min(float a, float b, ...[float])
-float  max(float a, float b, ...[float])
-float  bound(float min, float value, float max)
-float  pow(float a, float b)
-               copyentity(entity src, entity dst)
-float  fopen(string filename, float mode)
-               fclose(float fhandle)
-string fgets(float fhandle)
-               fputs(float fhandle, string s)
-float  strlen(string s)
-string strcat(string,string,...[string])
-string substring(string s, float start, float length)
-vector stov(string s)
-string strzone(string s)
-               strunzone(string s)
-float  tokenize(string s)
-string argv(float n)
-float  isserver()
-float  clientcount()
-float  clientstate()
-               clientcommand(float client, string s) (for client and menu)
-               changelevel(string map)
-               localsound(string sample)
-vector getmousepos()
-float  gettime()
-               loadfromdata(string data)
-               loadfromfile(string file)
-float  mod(float val, float m)
-const string   str_cvar (string)
-               crash()
-               stackdump()
-               
-float  search_begin(string pattern, float caseinsensitive, float quiet)
-void   search_end(float handle)
-float  search_getsize(float handle)
-string search_getfilename(float handle, float num)
-
-string chr(float ascii)
-
-float  itof(intt ent)
-intt   ftoi(float num)
-
-float  altstr_count(string)
-string altstr_prepare(string)
-string altstr_get(string,float)
-string altstr_set(string altstr, float num, string set)
-               
-perhaps only : Menu : WriteMsg 
-===============================
-
-               WriteByte(float data, float dest, float desto)
-               WriteChar(float data, float dest, float desto)
-               WriteShort(float data, float dest, float desto)
-               WriteLong(float data, float dest, float desto)
-               WriteAngle(float data, float dest, float desto)
-               WriteCoord(float data, float dest, float desto)
-               WriteString(string data, float dest, float desto)
-               WriteEntity(entity data, float dest, float desto)
-               
-Client & Menu : draw functions & video functions
-===================================================
-
-float  iscachedpic(string pic)
-string precache_pic(string pic) 
-               freepic(string s)
-float  drawcharacter(vector position, float character, vector scale, vector rgb, float alpha, float flag)
-float  drawstring(vector position, string text, vector scale, vector rgb, float alpha, float flag)
-float  drawpic(vector position, string pic, vector size, vector rgb, float alpha, float flag)
-float  drawfill(vector position, vector size, vector rgb, float alpha, float flag)
-               drawsetcliparea(float x, float y, float width, float height)
-               drawresetcliparea()
-vector getimagesize(string pic)
-
-float  cin_open(string file, string name)
-void   cin_close(string name)
-void   cin_setstate(string name, float type)
-float  cin_getstate(string name)               
-void   cin_restart(string name)
-
-==============================================================================
-menu cmd list:
-===============
-
-               setkeydest(float dest)
-float  getkeydest()
-               setmousetarget(float target)
-float  getmousetarget()
-
-               callfunction(...,string function_name)
-               writetofile(float fhandle, entity ent)
-float  isfunction(string function_name)
-vector getresolution(float number)
-string keynumtostring(float keynum)
-string findkeysforcommand(string command)
-float  gethostcachestat(float type)
-string gethostcachestring(float fld, float hostnr)
-
-               parseentitydata(entity ent, string data)
-
-float  stringtokeynum(string key)
-
-               resethostcachemasks()
-               sethostcachemaskstring(float mask, float fld, string str)
-               sethostcachemasknumber(float mask, float fld, float num, float op)
-               resorthostcache()
-               sethostcachesort(float field, float descending)
-               refreshhostcache()
-float  gethostcachenumber(float fld, float hostnr)
-float  gethostcacheindexforkey(string key)
-               addwantedhostcachekey(string key)
-*/
-
-#include "quakedef.h"
-#include "progdefs.h"
-#include "progsvm.h"
-#include "clprogdefs.h"
-#include "mprogdefs.h"
-
-#include "cl_video.h"
-
-//============================================================================
-// nice helper macros
-
-#ifndef VM_NOPARMCHECK
-#define VM_SAFEPARMCOUNT(p,f)  if(prog->argc != p) PRVM_ERROR(#f " wrong parameter count (" #p " expected ) !\n")
-#else
-#define VM_SAFEPARMCOUNT(p,f)
-#endif
-
-#define        VM_RETURN_EDICT(e)              (((int *)prog->globals)[OFS_RETURN] = PRVM_EDICT_TO_PROG(e))
-
-#define VM_STRINGS_MEMPOOL             vm_strings_mempool[PRVM_GetProgNr()]
-
-#define e10 0,0,0,0,0,0,0,0,0,0
-#define e100 e10,e10,e10,e10,e10,e10,e10,e10,e10,e10
-#define e1000 e100,e100,e100,e100,e100,e100,e100,e100,e100,e100
+#include "prvm_cmds.h"
 
 //============================================================================
 // Common
 
-// string zone mempool
-mempool_t *vm_strings_mempool[PRVM_MAXPROGS];
-
 // temp string handling
 // LordHavoc: added this to semi-fix the problem of using many ftos calls in a print
-#define VM_STRINGTEMP_BUFFERS 16
-#define VM_STRINGTEMP_LENGTH 4096
 static char vm_string_temp[VM_STRINGTEMP_BUFFERS][VM_STRINGTEMP_LENGTH];
 static int vm_string_tempindex = 0;
 
@@ -222,7 +28,7 @@ qfile_t *vm_files[MAX_PRVMFILES];
 
 fssearch_t *vm_fssearchlist[TOTAL_VMSEARCHES];
 
-static char *VM_GetTempString(void)
+char *VM_GetTempString(void)
 {
        char *s;
        s = vm_string_temp[vm_string_tempindex];
@@ -230,7 +36,7 @@ static char *VM_GetTempString(void)
        return s;
 }
 
-void VM_CheckEmptyString (char *s)
+void VM_CheckEmptyString (const char *s)
 {
        if (s[0] <= ' ')
                PRVM_ERROR ("%s: Bad string", PRVM_NAME);
@@ -266,7 +72,7 @@ checkextension(extensionname)
 */
 
 // kind of helper function
-static qboolean checkextension(char *name)
+static qboolean checkextension(const char *name)
 {
        int len;
        char *e, *start;
@@ -414,7 +220,7 @@ void VM_sprint (void)
                Con_Printf("VM_sprint: %s: invalid client or server is not active !\n", PRVM_NAME);
                return;
        }
-       
+
        client = svs.clients + clientnum;
        VM_VarString(1, string, sizeof(string));
        MSG_WriteChar(&client->message,svc_print);
@@ -562,7 +368,7 @@ void VM_vectoangles (void)
                        yaw = 270;
 
                forward = sqrt(value1[0]*value1[0] + value1[1]*value1[1]);
-               pitch = (int) (atan2(value1[2], forward) * 180 / M_PI);
+               pitch = (atan2(value1[2], forward) * 180 / M_PI);
                if (pitch < 0)
                        pitch += 360;
        }
@@ -608,15 +414,15 @@ void PF_sound (void)
 {
        char            *sample;
        int                     channel;
-       edict_t         *entity;
+       prvm_edict_t            *entity;
        int             volume;
        float attenuation;
 
-       entity = G_EDICT(OFS_PARM0);
-       channel = G_FLOAT(OFS_PARM1);
-       sample = G_STRING(OFS_PARM2);
-       volume = G_FLOAT(OFS_PARM3) * 255;
-       attenuation = G_FLOAT(OFS_PARM4);
+       entity = PRVM_G_EDICT(OFS_PARM0);
+       channel = PRVM_G_FLOAT(OFS_PARM1);
+       sample = PRVM_G_STRING(OFS_PARM2);
+       volume = PRVM_G_FLOAT(OFS_PARM3) * 255;
+       attenuation = PRVM_G_FLOAT(OFS_PARM4);
 
        if (volume < 0 || volume > 255)
                Host_Error ("SV_StartSound: volume = %i", volume);
@@ -640,8 +446,8 @@ localsound(string sample)
 */
 void VM_localsound(void)
 {
-       char *s;
-       
+       const char *s;
+
        VM_SAFEPARMCOUNT(1,VM_localsound);
 
        s = PRVM_G_STRING(OFS_PARM0);
@@ -651,7 +457,7 @@ void VM_localsound(void)
                Con_Printf("VM_localsound: Failed to play %s for %s !\n", s, PRVM_NAME);
                PRVM_G_FLOAT(OFS_RETURN) = -4;
                return;
-       }               
+       }
 
        PRVM_G_FLOAT(OFS_RETURN) = 1;
 }
@@ -703,16 +509,17 @@ void VM_cvar (void)
 
 /*
 =================
-VM_str_cvar
+VM_cvar_string
 
-const string   str_cvar (string)
+const string   VM_cvar_string (string)
 =================
 */
-void VM_str_cvar(void) 
+void VM_cvar_string(void)
 {
-       char *out, *name;
+       char *out;
+       const char *name;
        const char *cvar_string;
-       VM_SAFEPARMCOUNT(1,VM_str_cvar);
+       VM_SAFEPARMCOUNT(1,VM_cvar_string);
 
        name = PRVM_G_STRING(OFS_PARM0);
 
@@ -721,13 +528,13 @@ void VM_str_cvar(void)
 
        VM_CheckEmptyString(name);
 
-       out = VM_GetTempString(); 
+       out = VM_GetTempString();
 
        cvar_string = Cvar_VariableString(name);
-       
+
        strcpy(out, cvar_string);
 
-       PRVM_G_INT(OFS_RETURN) = PRVM_SetString(out);
+       PRVM_G_INT(OFS_RETURN) = PRVM_SetEngineString(out);
 }
 
 /*
@@ -783,7 +590,7 @@ void VM_ftos (void)
                sprintf(s, "%i", (int)v);
        else
                sprintf(s, "%f", v);
-       PRVM_G_INT(OFS_RETURN) = PRVM_SetString(s);
+       PRVM_G_INT(OFS_RETURN) = PRVM_SetEngineString(s);
 }
 
 /*
@@ -820,7 +627,7 @@ void VM_vtos (void)
 
        s = VM_GetTempString();
        sprintf (s, "'%5.1f %5.1f %5.1f'", PRVM_G_VECTOR(OFS_PARM0)[0], PRVM_G_VECTOR(OFS_PARM0)[1], PRVM_G_VECTOR(OFS_PARM0)[2]);
-       PRVM_G_INT(OFS_RETURN) = PRVM_SetString(s);
+       PRVM_G_INT(OFS_RETURN) = PRVM_SetEngineString(s);
 }
 
 /*
@@ -839,7 +646,7 @@ void VM_etos (void)
 
        s = VM_GetTempString();
        sprintf (s, "entity %i", PRVM_G_EDICTNUM(OFS_PARM0));
-       PRVM_G_INT(OFS_RETURN) = PRVM_SetString(s);
+       PRVM_G_INT(OFS_RETURN) = PRVM_SetEngineString(s);
 }
 
 /*
@@ -882,9 +689,9 @@ void VM_ftoi(void)
        VM_SAFEPARMCOUNT(1, VM_ftoi);
 
        ent = PRVM_G_FLOAT(OFS_PARM0);
-       if(PRVM_PROG_TO_EDICT(ent)->p.e->free)
+       if(PRVM_PROG_TO_EDICT(ent)->priv.required->free)
                PRVM_ERROR ("VM_ftoe: %s tried to access a freed entity (entity %i)!\n", PRVM_NAME, ent);
-    
+
        PRVM_G_INT(OFS_RETURN) = ent;
 }
 
@@ -920,11 +727,17 @@ void VM_remove (void)
        VM_SAFEPARMCOUNT(1, VM_remove);
 
        ed = PRVM_G_EDICT(OFS_PARM0);
+       if( PRVM_NUM_FOR_EDICT(ed) <= prog->reserved_edicts ) {
+               Con_DPrint( "VM_remove: tried to remove the null entity or a reserved entity!\n" );
+       } else if( ed->priv.required->free ) {
+               Con_DPrint( "VM_remove: tried to remove an already freed entity!\n" );
+       } else {
+               PRVM_ED_Free (ed);
+       }
 //     if (ed == prog->edicts)
 //             PRVM_ERROR ("remove: tried to remove world\n");
 //     if (PRVM_NUM_FOR_EDICT(ed) <= sv.maxclients)
 //             Host_Error("remove: tried to remove a client\n");
-       PRVM_ED_Free (ed);
 }
 
 /*
@@ -939,7 +752,7 @@ void VM_find (void)
 {
        int             e;
        int             f;
-       char    *s, *t;
+       const char      *s, *t;
        prvm_edict_t    *ed;
 
        VM_SAFEPARMCOUNT(3,VM_find);
@@ -959,7 +772,7 @@ void VM_find (void)
        {
                prog->xfunction->builtinsprofile++;
                ed = PRVM_EDICT_NUM(e);
-               if (ed->p.e->free)
+               if (ed->priv.required->free)
                        continue;
                t = PRVM_E_STRING(ed,f);
                if (!t)
@@ -1000,7 +813,7 @@ void VM_findfloat (void)
        {
                prog->xfunction->builtinsprofile++;
                ed = PRVM_EDICT_NUM(e);
-               if (ed->p.e->free)
+               if (ed->priv.required->free)
                        continue;
                if (PRVM_E_FLOAT(ed,f) == s)
                {
@@ -1027,7 +840,7 @@ void VM_findchain (void)
        int             i;
        int             f;
        int             chain_of;
-       char    *s, *t;
+       const char      *s, *t;
        prvm_edict_t    *ent, *chain;
 
        VM_SAFEPARMCOUNT(2,VM_findchain);
@@ -1052,7 +865,7 @@ void VM_findchain (void)
        for (i = 1;i < prog->num_edicts;i++, ent = PRVM_NEXT_EDICT(ent))
        {
                prog->xfunction->builtinsprofile++;
-               if (ent->p.e->free)
+               if (ent->priv.required->free)
                        continue;
                t = PRVM_E_STRING(ent,f);
                if (!t)
@@ -1101,7 +914,7 @@ void VM_findchainfloat (void)
        for (i = 1;i < prog->num_edicts;i++, ent = PRVM_NEXT_EDICT(ent))
        {
                prog->xfunction->builtinsprofile++;
-               if (ent->p.e->free)
+               if (ent->priv.required->free)
                        continue;
                if (PRVM_E_FLOAT(ent,f) != s)
                        continue;
@@ -1113,54 +926,6 @@ void VM_findchainfloat (void)
        VM_RETURN_EDICT(chain);
 }
 
-/*
-=========
-VM_precache_file
-
-string precache_file(string)
-=========
-*/
-void VM_precache_file (void)
-{      // precache_file is only used to copy files with qcc, it does nothing
-       VM_SAFEPARMCOUNT(1,VM_precache_file);
-
-       PRVM_G_INT(OFS_RETURN) = PRVM_G_INT(OFS_PARM0);
-}
-
-/*
-=========
-VM_preache_error
-
-used instead of the other VM_precache_* functions in the builtin list
-=========
-*/
-
-void VM_precache_error (void)
-{
-       PRVM_ERROR ("PF_Precache_*: Precache can only be done in spawn functions");
-}
-
-/*
-=========
-VM_precache_sound
-
-string precache_sound (string sample)
-=========
-*/
-void VM_precache_sound (void)
-{
-       char    *s;
-
-       VM_SAFEPARMCOUNT(1, VM_precache_sound);
-
-       s = PRVM_G_STRING(OFS_PARM0);
-       PRVM_G_INT(OFS_RETURN) = PRVM_G_INT(OFS_PARM0);
-       VM_CheckEmptyString (s);
-
-       if(snd_initialized.integer && !S_PrecacheSound (s,true, true))
-               Con_Printf("VM_precache_sound: Failed to load %s for %s\n", s, PRVM_NAME);
-}
-
 /*
 =========
 VM_coredump
@@ -1200,7 +965,7 @@ crash()
 =========
 */
 
-void VM_crash(void) 
+void VM_crash(void)
 {
        VM_SAFEPARMCOUNT(0, VM_crash);
 
@@ -1321,7 +1086,7 @@ void VM_nextent (void)
                        return;
                }
                ent = PRVM_EDICT_NUM(i);
-               if (!ent->p.e->free)
+               if (!ent->priv.required->free)
                {
                        VM_RETURN_EDICT(ent);
                        return;
@@ -1329,98 +1094,6 @@ void VM_nextent (void)
        }
 }
 
-/*
-===============================================================================
-MESSAGE WRITING
-
-used only for client and menu
-severs uses VM_SV_...
-
-Write*(* data, float type, float to)
-
-===============================================================================
-*/
-
-#define        MSG_BROADCAST   0               // unreliable to all
-#define        MSG_ONE                 1               // reliable to one (msg_entity)
-#define        MSG_ALL                 2               // reliable to all
-#define        MSG_INIT                3               // write to the init string
-
-sizebuf_t *VM_WriteDest (void)
-{
-       int             dest;
-       int             destclient;
-
-       if(!sv.active)
-               PRVM_ERROR("VM_WriteDest: game is not server (%s)\n", PRVM_NAME);
-
-       dest = G_FLOAT(OFS_PARM1);
-       switch (dest)
-       {
-       case MSG_BROADCAST:
-               return &sv.datagram;
-
-       case MSG_ONE:
-               destclient = (int) PRVM_G_FLOAT(OFS_PARM2);
-               if (destclient < 0 || destclient >= svs.maxclients || !svs.clients[destclient].active)
-                       PRVM_ERROR("VM_clientcommand: %s: invalid client !\n", PRVM_NAME);
-
-               return &svs.clients[destclient].message;
-
-       case MSG_ALL:
-               return &sv.reliable_datagram;
-
-       case MSG_INIT:
-               return &sv.signon;
-
-       default:
-               PRVM_ERROR ("WriteDest: bad destination");
-               break;
-       }
-
-       return NULL;
-}
-
-void VM_WriteByte (void)
-{
-       MSG_WriteByte (VM_WriteDest(), PRVM_G_FLOAT(OFS_PARM0));
-}
-
-void VM_WriteChar (void)
-{
-       MSG_WriteChar (VM_WriteDest(), PRVM_G_FLOAT(OFS_PARM0));
-}
-
-void VM_WriteShort (void)
-{
-       MSG_WriteShort (VM_WriteDest(), PRVM_G_FLOAT(OFS_PARM0));
-}
-
-void VM_WriteLong (void)
-{
-       MSG_WriteLong (VM_WriteDest(), PRVM_G_FLOAT(OFS_PARM0));
-}
-
-void VM_WriteAngle (void)
-{
-       MSG_WriteAngle (VM_WriteDest(), PRVM_G_FLOAT(OFS_PARM0), sv.protocol);
-}
-
-void VM_WriteCoord (void)
-{
-       MSG_WriteCoord (VM_WriteDest(), PRVM_G_FLOAT(OFS_PARM0), sv.protocol);
-}
-
-void VM_WriteString (void)
-{
-       MSG_WriteString (VM_WriteDest(), PRVM_G_STRING(OFS_PARM0));
-}
-
-void VM_WriteEntity (void)
-{
-       MSG_WriteShort (VM_WriteDest(), PRVM_G_EDICTNUM(OFS_PARM0));
-}
-
 //=============================================================================
 
 /*
@@ -1433,13 +1106,13 @@ changelevel(string map)
 */
 void VM_changelevel (void)
 {
-       char    *s;
+       const char      *s;
 
        VM_SAFEPARMCOUNT(1, VM_changelevel);
 
        if(!sv.active)
        {
-               Con_Printf("VM_changelevel: game is not server (%s)\n", PRVM_NAME); 
+               Con_Printf("VM_changelevel: game is not server (%s)\n", PRVM_NAME);
                return;
        }
 
@@ -1448,7 +1121,7 @@ void VM_changelevel (void)
                return;
        svs.changelevel_issued = true;
 
-       s = G_STRING(OFS_PARM0);
+       s = PRVM_G_STRING(OFS_PARM0);
        Cbuf_AddText (va("changelevel %s\n",s));
 }
 
@@ -1537,7 +1210,7 @@ float     registercvar (string name, string value, float flags)
 */
 void VM_registercvar (void)
 {
-       char *name, *value;
+       const char *name, *value;
        int     flags;
 
        VM_SAFEPARMCOUNT(3,VM_registercvar);
@@ -1665,7 +1338,7 @@ void VM_copyentity (void)
        VM_SAFEPARMCOUNT(2,VM_copyentity);
        in = PRVM_G_EDICT(OFS_PARM0);
        out = PRVM_G_EDICT(OFS_PARM1);
-       memcpy(out->v, in->v, prog->progs->entityfields * 4);
+       memcpy(out->fields.vp, in->fields.vp, prog->progs->entityfields * 4);
 }
 
 /*
@@ -1681,10 +1354,10 @@ setcolor(clientent, value)
 {
        client_t *client;
        int entnum, i;
-       eval_t *val;
+       prvm_eval_t *val;
 
-       entnum = G_EDICTNUM(OFS_PARM0);
-       i = G_FLOAT(OFS_PARM1);
+       entnum = PRVM_G_EDICTNUM(OFS_PARM0);
+       i = PRVM_G_FLOAT(OFS_PARM1);
 
        if (entnum < 1 || entnum > svs.maxclients || !svs.clients[entnum-1].active)
        {
@@ -1693,11 +1366,11 @@ setcolor(clientent, value)
        }
 
        client = svs.clients + entnum-1;
-       if ((val = GETEDICTFIELDVALUE(client->edict, eval_clientcolors)))
+       if ((val = PRVM_GETEDICTFIELDVALUE(client->edict, eval_clientcolors)))
                val->_float = i;
        client->colors = i;
        client->old_colors = i;
-       client->edict->v->team = (i & 15) + 1;
+       client->edict->fields.server->team = (i & 15) + 1;
 
        MSG_WriteByte (&sv.reliable_datagram, svc_updatecolors);
        MSG_WriteByte (&sv.reliable_datagram, entnum - 1);
@@ -1721,6 +1394,21 @@ void VM_Files_CloseAll(void)
        memset(VM_FILES,0,sizeof(qfile_t*[MAX_VMFILES])); // this should be faster (is it ?)
 }
 
+qfile_t *VM_GetFileHandle( int index )
+{
+       if (index < 0 || index >= MAX_VMFILES)
+       {
+               Con_Printf("VM_GetFileHandle: invalid file handle %i used in %s\n", index, PRVM_NAME);
+               return NULL;
+       }
+       if (VM_FILES[index] == NULL)
+       {
+               Con_Printf("VM_GetFileHandle: no such file handle %i (or file has been closed) in %s\n", index, PRVM_NAME);
+               return NULL;
+       }
+       return VM_FILES[index];
+}
+
 /*
 =========
 VM_fopen
@@ -1734,7 +1422,7 @@ float     fopen(string filename, float mode)
 void VM_fopen(void)
 {
        int filenum, mode;
-       char *modestring, *filename;
+       const char *modestring, *filename;
 
        VM_SAFEPARMCOUNT(2,VM_fopen);
 
@@ -1765,24 +1453,23 @@ void VM_fopen(void)
                return;
        }
        filename = PRVM_G_STRING(OFS_PARM0);
-       // .. is parent directory on many platforms
-       // / is parent directory on Amiga
-       // : is root of drive on Amiga (also used as a directory separator on Mac, but / works there too, so that's a bad idea)
-       // \ is a windows-ism (so it's naughty to use it, / works on all platforms)
-       if ((filename[0] == '.' && filename[1] == '.') || filename[0] == '/' || strrchr(filename, ':') || strrchr(filename, '\\'))
-       {
-               Con_Printf("VM_fopen: %s dangerous or non-portable filename \"%s\" not allowed. (contains : or \\ or begins with .. or /)\n", PRVM_NAME, filename);
-               PRVM_G_FLOAT(OFS_RETURN) = -4;
-               return;
-       }
-       VM_FILES[filenum] = FS_Open(va("data/%s", filename), modestring, false);
+
+       VM_FILES[filenum] = FS_Open(va("data/%s", filename), modestring, false, false);
        if (VM_FILES[filenum] == NULL && mode == 0)
-               VM_FILES[filenum] = FS_Open(va("%s", filename), modestring, false);
+               VM_FILES[filenum] = FS_Open(va("%s", filename), modestring, false, false);
 
        if (VM_FILES[filenum] == NULL)
+       {
+               if (developer.integer)
+                       Con_Printf("fopen: %s mode %s failed\n", filename, modestring);
                PRVM_G_FLOAT(OFS_RETURN) = -1;
+       }
        else
+       {
+               if (developer.integer)
+                       Con_Printf("fopen: %s mode %s opened as #%i\n", filename, modestring, filenum);
                PRVM_G_FLOAT(OFS_RETURN) = filenum;
+       }
 }
 
 /*
@@ -1810,6 +1497,8 @@ void VM_fclose(void)
                Con_Printf("VM_fclose: no such file handle %i (or file has been closed) in %s\n", filenum, PRVM_NAME);
                return;
        }
+       if (developer.integer)
+               Con_Printf("fclose #%i\n", filenum);
        FS_Close(VM_FILES[filenum]);
        VM_FILES[filenum] = NULL;
 }
@@ -1853,11 +1542,15 @@ void VM_fgets(void)
        string[end] = 0;
        // remove \n following \r
        if (c == '\r')
+       {
                c = FS_Getc(VM_FILES[filenum]);
+               if (c != '\n')
+                       FS_UnGetc(VM_FILES[filenum], (unsigned char)c);
+       }
        if (developer.integer >= 3)
                Con_Printf("fgets: %s: %s\n", PRVM_NAME, string);
        if (c >= 0 || end)
-               PRVM_G_INT(OFS_RETURN) = PRVM_SetString(string);
+               PRVM_G_INT(OFS_RETURN) = PRVM_SetEngineString(string);
        else
                PRVM_G_INT(OFS_RETURN) = 0;
 }
@@ -1906,7 +1599,7 @@ float     strlen(string s)
 //float(string s) strlen = #114; // returns how many characters are in a string
 void VM_strlen(void)
 {
-       char *s;
+       const char *s;
 
        VM_SAFEPARMCOUNT(1,VM_strlen);
 
@@ -1931,12 +1624,12 @@ void VM_strcat(void)
 {
        char *s;
 
-       if(prog->argc < 1) 
+       if(prog->argc < 1)
                PRVM_ERROR("VM_strcat wrong parameter count (min. 1 expected ) !\n");
-       
+
        s = VM_GetTempString();
        VM_VarString(0, s, VM_STRINGTEMP_LENGTH);
-       PRVM_G_INT(OFS_RETURN) = PRVM_SetString(s);
+       PRVM_G_INT(OFS_RETURN) = PRVM_SetEngineString(s);
 }
 
 /*
@@ -1951,7 +1644,8 @@ string    substring(string s, float start, float length)
 void VM_substring(void)
 {
        int i, start, length;
-       char *s, *string;
+       const char *s;
+       char *string;
 
        VM_SAFEPARMCOUNT(3,VM_substring);
 
@@ -1965,7 +1659,7 @@ void VM_substring(void)
        for (i = 0;i < VM_STRINGTEMP_LENGTH - 1 && *s && i < length;i++, s++)
                string[i] = *s;
        string[i] = 0;
-       PRVM_G_INT(OFS_RETURN) = PRVM_SetString(string);
+       PRVM_G_INT(OFS_RETURN) = PRVM_SetEngineString(string);
 }
 
 /*
@@ -1996,14 +1690,14 @@ string  strzone(string s)
 //string(string s) strzone = #118; // makes a copy of a string into the string zone and returns it, this is often used to keep around a tempstring for longer periods of time (tempstrings are replaced often)
 void VM_strzone(void)
 {
-       char *in, *out;
+       const char *in;
+       char *out;
 
        VM_SAFEPARMCOUNT(1,VM_strzone);
 
        in = PRVM_G_STRING(OFS_PARM0);
-       out = Mem_Alloc(VM_STRINGS_MEMPOOL, strlen(in) + 1);
+       PRVM_G_INT(OFS_RETURN) = PRVM_AllocString(strlen(in) + 1, &out);
        strcpy(out, in);
-       PRVM_G_INT(OFS_RETURN) = PRVM_SetString(out);
 }
 
 /*
@@ -2016,14 +1710,8 @@ strunzone(string s)
 //void(string s) strunzone = #119; // removes a copy of a string from the string zone (you can not use that string again or it may crash!!!)
 void VM_strunzone(void)
 {
-       char *str;
        VM_SAFEPARMCOUNT(1,VM_strunzone);
-
-       str = PRVM_G_STRING(OFS_PARM0);
-       if( developer.integer && !Mem_IsAllocated( VM_STRINGS_MEMPOOL, str ) )
-               PRVM_ERROR( "VM_strunzone: Zone string already freed in %s!", PRVM_NAME );
-       else
-               Mem_Free( str );
+       PRVM_FreeString(PRVM_G_INT(OFS_PARM0));
 }
 
 /*
@@ -2063,51 +1751,38 @@ VM_tokenize
 float tokenize(string s)
 =========
 */
-//float(string s) tokenize = #441;
-// takes apart a string into individal words (access them with argv), returns how many
-// this function originally written by KrimZon, made shorter by LordHavoc
-static char **tokens = NULL;
-static int    max_tokens, num_tokens = 0;
+//float(string s) tokenize = #441; // takes apart a string into individal words (access them with argv), returns how many
+//this function originally written by KrimZon, made shorter by LordHavoc
+//20040203: rewritten by LordHavoc (no longer uses allocations)
+int num_tokens = 0;
+char *tokens[256], tokenbuf[4096];
 void VM_tokenize (void)
 {
+       int pos;
        const char *p;
-       char *str;
 
        VM_SAFEPARMCOUNT(1,VM_tokenize);
 
-       str = PRVM_G_STRING(OFS_PARM0);
-
-       if (tokens != NULL)
-       {
-               int i;
-               for (i=0;i<num_tokens;i++)
-                       Z_Free(tokens[i]);
-               Z_Free(tokens);
-               num_tokens = 0;
-       }
-
-       tokens = Z_Malloc(strlen(str) * sizeof(char *));
-       max_tokens = strlen(str);
+       p = PRVM_G_STRING(OFS_PARM0);
 
-       for (p = str;COM_ParseToken(&p, false) && num_tokens < max_tokens;num_tokens++)
+       num_tokens = 0;
+       pos = 0;
+       while(COM_ParseToken(&p, false))
        {
-               tokens[num_tokens] = Z_Malloc(strlen(com_token) + 1);
-               strcpy(tokens[num_tokens], com_token);
+               if (num_tokens >= (int)(sizeof(tokens)/sizeof(tokens[0])))
+                       break;
+               if (pos + strlen(com_token) + 1 > sizeof(tokenbuf))
+                       break;
+               tokens[num_tokens++] = tokenbuf + pos;
+               strcpy(tokenbuf + pos, com_token);
+               pos += strlen(com_token) + 1;
        }
 
        PRVM_G_FLOAT(OFS_RETURN) = num_tokens;
 }
 
-/*
-=========
-VM_argv
-
-string argv(float n)
-=========
-*/
-//string(float n) argv = #442;
-// returns a word from the tokenized string (returns nothing for an invalid index)
-// this function originally written by KrimZon, made shorter by LordHavoc
+//string(float n) argv = #442; // returns a word from the tokenized string (returns nothing for an invalid index)
+//this function originally written by KrimZon, made shorter by LordHavoc
 void VM_argv (void)
 {
        int token_num;
@@ -2115,53 +1790,54 @@ void VM_argv (void)
        VM_SAFEPARMCOUNT(1,VM_argv);
 
        token_num = PRVM_G_FLOAT(OFS_PARM0);
+
        if (token_num >= 0 && token_num < num_tokens)
-               PRVM_G_INT(OFS_RETURN) = PRVM_SetString(tokens[token_num]);
+               PRVM_G_INT(OFS_RETURN) = PRVM_SetEngineString(tokens[token_num]);
        else
-               PRVM_G_INT(OFS_RETURN) = PRVM_SetString("");
+               PRVM_G_INT(OFS_RETURN) = PRVM_SetEngineString(NULL);
 }
 
 /*
 //void(entity e, entity tagentity, string tagname) setattachment = #443; // attachs e to a tag on tagentity (note: use "" to attach to entity origin/angles instead of a tag)
 void PF_setattachment (void)
 {
-       edict_t *e = G_EDICT(OFS_PARM0);
-       edict_t *tagentity = G_EDICT(OFS_PARM1);
-       char *tagname = G_STRING(OFS_PARM2);
-       eval_t *v;
+       prvm_edict_t *e = PRVM_G_EDICT(OFS_PARM0);
+       prvm_edict_t *tagentity = PRVM_G_EDICT(OFS_PARM1);
+       char *tagname = PRVM_G_STRING(OFS_PARM2);
+       prvm_eval_t *v;
        int i, modelindex;
        model_t *model;
 
        if (tagentity == NULL)
-               tagentity = sv.edicts;
+               tagentity = prog->edicts;
 
-       v = GETEDICTFIELDVALUE(e, eval_tag_entity);
+       v = PRVM_GETEDICTFIELDVALUE(e, eval_tag_entity);
        if (v)
-               v->edict = EDICT_TO_PROG(tagentity);
+               fields.server->edict = PRVM_EDICT_TO_PROG(tagentity);
 
-       v = GETEDICTFIELDVALUE(e, eval_tag_index);
+       v = PRVM_GETEDICTFIELDVALUE(e, eval_tag_index);
        if (v)
-               v->_float = 0;
-       if (tagentity != NULL && tagentity != sv.edicts && tagname && tagname[0])
+               fields.server->_float = 0;
+       if (tagentity != NULL && tagentity != prog->edicts && tagname && tagname[0])
        {
-               modelindex = (int)tagentity->v->modelindex;
+               modelindex = (int)tagentity->fields.server->modelindex;
                if (modelindex >= 0 && modelindex < MAX_MODELS)
                {
                        model = sv.models[modelindex];
-                       if (model->data_overridetagnamesforskin && (unsigned int)tagentity->v->skin < (unsigned int)model->numskins && model->data_overridetagnamesforskin[(unsigned int)tagentity->v->skin].num_overridetagnames)
-                               for (i = 0;i < model->data_overridetagnamesforskin[(unsigned int)tagentity->v->skin].num_overridetagnames;i++)
-                                       if (!strcmp(tagname, model->data_overridetagnamesforskin[(unsigned int)tagentity->v->skin].data_overridetagnames[i].name))
-                                               v->_float = i + 1;
+                       if (model->data_overridetagnamesforskin && (unsigned int)tagentity->fields.server->skin < (unsigned int)model->numskins && model->data_overridetagnamesforskin[(unsigned int)tagentity->fields.server->skin].num_overridetagnames)
+                               for (i = 0;i < model->data_overridetagnamesforskin[(unsigned int)tagentity->fields.server->skin].num_overridetagnames;i++)
+                                       if (!strcmp(tagname, model->data_overridetagnamesforskin[(unsigned int)tagentity->fields.server->skin].data_overridetagnames[i].name))
+                                               fields.server->_float = i + 1;
                        // FIXME: use a model function to get tag info (need to handle skeletal)
-                       if (v->_float == 0 && model->alias.aliasnum_tags)
-                               for (i = 0;i < model->alias.aliasnum_tags;i++)
-                                       if (!strcmp(tagname, model->alias.aliasdata_tags[i].name))
-                                               v->_float = i + 1;
-                       if (v->_float == 0)
-                               Con_DPrintf("setattachment(edict %i, edict %i, string \"%s\"): tried to find tag named \"%s\" on entity %i (model \"%s\") but could not find it\n", NUM_FOR_EDICT(e), NUM_FOR_EDICT(tagentity), tagname, tagname, NUM_FOR_EDICT(tagentity), model->name);
+                       if (fields.server->_float == 0 && model->num_tags)
+                               for (i = 0;i < model->num_tags;i++)
+                                       if (!strcmp(tagname, model->data_tags[i].name))
+                                               fields.server->_float = i + 1;
+                       if (fields.server->_float == 0)
+                               Con_DPrintf("setattachment(edict %i, edict %i, string \"%s\"): tried to find tag named \"%s\" on entity %i (model \"%s\") but could not find it\n", PRVM_NUM_FOR_EDICT(e), PRVM_NUM_FOR_EDICT(tagentity), tagname, tagname, PRVM_NUM_FOR_EDICT(tagentity), model->name);
                }
                else
-                       Con_DPrintf("setattachment(edict %i, edict %i, string \"%s\"): tried to find tag named \"%s\" on entity %i but it has no model\n", NUM_FOR_EDICT(e), NUM_FOR_EDICT(tagentity), tagname, tagname, NUM_FOR_EDICT(tagentity));
+                       Con_DPrintf("setattachment(edict %i, edict %i, string \"%s\"): tried to find tag named \"%s\" on entity %i but it has no model\n", PRVM_NUM_FOR_EDICT(e), PRVM_NUM_FOR_EDICT(tagentity), tagname, tagname, PRVM_NUM_FOR_EDICT(tagentity));
        }
 }*/
 
@@ -2244,9 +1920,9 @@ void VM_getmousepos(void)
 {
 
        VM_SAFEPARMCOUNT(0,VM_getmousepos);
-       
-       PRVM_G_VECTOR(OFS_RETURN)[0] = in_mouse_x;
-       PRVM_G_VECTOR(OFS_RETURN)[1] = in_mouse_y;
+
+       PRVM_G_VECTOR(OFS_RETURN)[0] = in_mouse_x * vid_conwidth.integer / vid.width;
+       PRVM_G_VECTOR(OFS_RETURN)[1] = in_mouse_y * vid_conheight.integer / vid.height;
        PRVM_G_VECTOR(OFS_RETURN)[2] = 0;
 }
 
@@ -2280,21 +1956,21 @@ void VM_loadfromdata(void)
 
 /*
 ========================
-VM_M_parseentitydata
+VM_parseentitydata
 
 parseentitydata(entity ent, string data)
 ========================
 */
-void VM_M_parseentitydata(void)
+void VM_parseentitydata(void)
 {
        prvm_edict_t *ent;
        const char *data;
 
        VM_SAFEPARMCOUNT(2, VM_parseentitydata);
-    
+
     // get edict and test it
        ent = PRVM_G_EDICT(OFS_PARM0);
-       if (ent->p.e->free)
+       if (ent->priv.required->free)
                PRVM_ERROR ("VM_parseentitydata: %s: Can only set already spawned entities (entity %i is free)!\n", PRVM_NAME, PRVM_NUM_FOR_EDICT(ent));
 
        data = PRVM_G_STRING(OFS_PARM1);
@@ -2315,11 +1991,11 @@ loadfromfile(string file)
 */
 void VM_loadfromfile(void)
 {
-       char *filename;
+       const char *filename;
        qbyte *data;
-       
+
        VM_SAFEPARMCOUNT(1,VM_loadfromfile);
-       
+
        filename = PRVM_G_STRING(OFS_PARM0);
        // .. is parent directory on many platforms
        // / is parent directory on Amiga
@@ -2336,7 +2012,7 @@ void VM_loadfromfile(void)
        data = FS_LoadFile(filename, tempmempool, false);
        if (data == NULL)
                PRVM_G_FLOAT(OFS_RETURN) = -1;
-       
+
        PRVM_ED_LoadFromFile(data);
 
        if(data)
@@ -2387,7 +2063,7 @@ float search_begin(string pattern, float caseinsensitive, float quiet)
 void VM_search_begin(void)
 {
        int handle;
-       char *pattern;
+       const char *pattern;
        int caseinsens, quiet;
 
        VM_SAFEPARMCOUNT(3, VM_search_begin);
@@ -2398,7 +2074,7 @@ void VM_search_begin(void)
 
        caseinsens = PRVM_G_FLOAT(OFS_PARM1);
        quiet = PRVM_G_FLOAT(OFS_PARM2);
-       
+
        for(handle = 0; handle < MAX_VMSEARCHES; handle++)
                if(!VM_SEARCHLIST[handle])
                        break;
@@ -2429,7 +2105,7 @@ void VM_search_end(void)
        VM_SAFEPARMCOUNT(1, VM_search_end);
 
        handle = PRVM_G_FLOAT(OFS_PARM0);
-       
+
        if(handle < 0 || handle >= MAX_VMSEARCHES)
        {
                Con_Printf("VM_search_end: invalid handle %i used in %s\n", handle, PRVM_NAME);
@@ -2469,7 +2145,7 @@ void VM_search_getsize(void)
                Con_Printf("VM_search_getsize: no such handle %i in %s\n", handle, PRVM_NAME);
                return;
        }
-       
+
        PRVM_G_FLOAT(OFS_RETURN) = VM_SEARCHLIST[handle]->numfilenames;
 }
 
@@ -2504,11 +2180,11 @@ void VM_search_getfilename(void)
                Con_Printf("VM_search_getfilename: invalid filenum %i in %s\n", filenum, PRVM_NAME);
                return;
        }
-       
+
        tmp = VM_GetTempString();
        strcpy(tmp, VM_SEARCHLIST[handle]->filenames[filenum]);
 
-       PRVM_G_INT(OFS_RETURN) = PRVM_SetString(tmp);
+       PRVM_G_INT(OFS_RETURN) = PRVM_SetEngineString(tmp);
 }
 
 /*
@@ -2527,7 +2203,7 @@ void VM_chr(void)
        tmp[0] = (unsigned char) PRVM_G_FLOAT(OFS_PARM0);
        tmp[1] = 0;
 
-       PRVM_G_INT(OFS_RETURN) = PRVM_SetString(tmp);
+       PRVM_G_INT(OFS_RETURN) = PRVM_SetEngineString(tmp);
 }
 
 //=============================================================================
@@ -2544,7 +2220,7 @@ void VM_iscachedpic(void)
 {
        VM_SAFEPARMCOUNT(1,VM_iscachedpic);
 
-       // drawq hasnt such a function, thus always return true 
+       // drawq hasnt such a function, thus always return true
        PRVM_G_FLOAT(OFS_RETURN) = false;
 }
 
@@ -2552,25 +2228,26 @@ void VM_iscachedpic(void)
 =========
 VM_precache_pic
 
-string precache_pic(string pic) 
+string precache_pic(string pic)
 =========
 */
 void VM_precache_pic(void)
 {
-       char    *s;
-       
+       const char      *s;
+
        VM_SAFEPARMCOUNT(1, VM_precache_pic);
-       
+
        s = PRVM_G_STRING(OFS_PARM0);
        PRVM_G_INT(OFS_RETURN) = PRVM_G_INT(OFS_PARM0);
-       
+
        if(!s)
                PRVM_ERROR ("VM_precache_pic: %s: NULL\n", PRVM_NAME);
 
        VM_CheckEmptyString (s);
-       
-       if(!Draw_CachePic(s))
-               PRVM_G_INT(OFS_RETURN) = PRVM_SetString(""); 
+
+       // AK Draw_CachePic is supposed to always return a valid pointer
+       if( Draw_CachePic(s, false)->tex == r_texture_notexture )
+               PRVM_G_INT(OFS_RETURN) = PRVM_SetEngineString(NULL);
 }
 
 /*
@@ -2582,17 +2259,17 @@ freepic(string s)
 */
 void VM_freepic(void)
 {
-       char *s;
+       const char *s;
 
        VM_SAFEPARMCOUNT(1,VM_freepic);
 
        s = PRVM_G_STRING(OFS_PARM0);
-       
+
        if(!s)
                PRVM_ERROR ("VM_freepic: %s: NULL\n");
-       
+
        VM_CheckEmptyString (s);
-       
+
        Draw_FreePic(s);
 }
 
@@ -2617,21 +2294,21 @@ void VM_drawcharacter(void)
                PRVM_G_FLOAT(OFS_RETURN) = -1;
                return;
        }
-       
+
        pos = PRVM_G_VECTOR(OFS_PARM0);
        scale = PRVM_G_VECTOR(OFS_PARM2);
        rgb = PRVM_G_VECTOR(OFS_PARM3);
        flag = (int)PRVM_G_FLOAT(OFS_PARM5);
-       
+
        if(flag < DRAWFLAG_NORMAL || flag >=DRAWFLAG_NUMFLAGS)
        {
                Con_Printf("VM_drawcharacter: %s: wrong DRAWFLAG %i !\n",PRVM_NAME,flag);
                PRVM_G_FLOAT(OFS_RETURN) = -2;
                return;
        }
-       
+
        if(pos[2] || scale[2])
-               Con_Printf("VM_drawcharacter: z value%c from %s discarded\n",(pos[2] && scale[2]) ? 's' : 0,((pos[2] && scale[2]) ? "pos and scale" : (pos[2] ? "pos" : "scale"))); 
+               Con_Printf("VM_drawcharacter: z value%c from %s discarded\n",(pos[2] && scale[2]) ? 's' : 0,((pos[2] && scale[2]) ? "pos and scale" : (pos[2] ? "pos" : "scale")));
 
        if(!scale[0] || !scale[1])
        {
@@ -2642,7 +2319,7 @@ void VM_drawcharacter(void)
 
        DrawQ_String (pos[0], pos[1], &character, 1, scale[0], scale[1], rgb[0], rgb[1], rgb[2], PRVM_G_FLOAT(OFS_PARM4), flag);
        PRVM_G_FLOAT(OFS_RETURN) = 1;
-}      
+}
 
 /*
 =========
@@ -2654,10 +2331,10 @@ float   drawstring(vector position, string text, vector scale, vector rgb, float a
 void VM_drawstring(void)
 {
        float *pos,*scale,*rgb;
-       char  *string;
+       const char  *string;
        int flag;
        VM_SAFEPARMCOUNT(6,VM_drawstring);
-       
+
        string = PRVM_G_STRING(OFS_PARM1);
        if(!string)
        {
@@ -2665,21 +2342,21 @@ void VM_drawstring(void)
                PRVM_G_FLOAT(OFS_RETURN) = -1;
                return;
        }
-       
+
        //VM_CheckEmptyString(string); Why should it be checked - perhaps the menu wants to support the precolored letters, too?
-       
+
        pos = PRVM_G_VECTOR(OFS_PARM0);
        scale = PRVM_G_VECTOR(OFS_PARM2);
        rgb = PRVM_G_VECTOR(OFS_PARM3);
        flag = (int)PRVM_G_FLOAT(OFS_PARM5);
-       
+
        if(flag < DRAWFLAG_NORMAL || flag >=DRAWFLAG_NUMFLAGS)
        {
                Con_Printf("VM_drawstring: %s: wrong DRAWFLAG %i !\n",PRVM_NAME,flag);
                PRVM_G_FLOAT(OFS_RETURN) = -2;
                return;
        }
-       
+
        if(!scale[0] || !scale[1])
        {
                Con_Printf("VM_drawstring: scale %s is null !\n", (scale[0] == 0) ? ((scale[1] == 0) ? "x and y" : "x") : "y");
@@ -2688,8 +2365,8 @@ void VM_drawstring(void)
        }
 
        if(pos[2] || scale[2])
-               Con_Printf("VM_drawstring: z value%c from %s discarded\n",(pos[2] && scale[2]) ? 's' : 0,((pos[2] && scale[2]) ? "pos and scale" : (pos[2] ? "pos" : "scale"))); 
-       
+               Con_Printf("VM_drawstring: z value%c from %s discarded\n",(pos[2] && scale[2]) ? 's' : 0,((pos[2] && scale[2]) ? "pos and scale" : (pos[2] ? "pos" : "scale")));
+
        DrawQ_String (pos[0], pos[1], string, 0, scale[0], scale[1], rgb[0], rgb[1], rgb[2], PRVM_G_FLOAT(OFS_PARM4), flag);
        PRVM_G_FLOAT(OFS_RETURN) = 1;
 }
@@ -2702,7 +2379,7 @@ float     drawpic(vector position, string pic, vector size, vector rgb, float alpha,
 */
 void VM_drawpic(void)
 {
-       char *pic;
+       const char *pic;
        float *size, *pos, *rgb;
        int flag;
 
@@ -2713,7 +2390,7 @@ void VM_drawpic(void)
        if(!pic)
        {
                Con_Printf("VM_drawpic: %s passed null picture name !\n", PRVM_NAME);
-               PRVM_G_FLOAT(OFS_RETURN) = -1;  
+               PRVM_G_FLOAT(OFS_RETURN) = -1;
                return;
        }
 
@@ -2726,7 +2403,7 @@ void VM_drawpic(void)
                PRVM_G_FLOAT(OFS_RETURN) = -4;
                return;
        }
-       
+
        pos = PRVM_G_VECTOR(OFS_PARM0);
        size = PRVM_G_VECTOR(OFS_PARM2);
        rgb = PRVM_G_VECTOR(OFS_PARM3);
@@ -2740,8 +2417,8 @@ void VM_drawpic(void)
        }
 
        if(pos[2] || size[2])
-               Con_Printf("VM_drawstring: z value%c from %s discarded\n",(pos[2] && size[2]) ? 's' : 0,((pos[2] && size[2]) ? "pos and size" : (pos[2] ? "pos" : "size"))); 
-       
+               Con_Printf("VM_drawstring: z value%c from %s discarded\n",(pos[2] && size[2]) ? 's' : 0,((pos[2] && size[2]) ? "pos and size" : (pos[2] ? "pos" : "size")));
+
        DrawQ_Pic(pos[0], pos[1], pic, size[0], size[1], rgb[0], rgb[1], rgb[2], PRVM_G_FLOAT(OFS_PARM4), flag);
        PRVM_G_FLOAT(OFS_RETURN) = 1;
 }
@@ -2757,25 +2434,25 @@ void VM_drawfill(void)
 {
        float *size, *pos, *rgb;
        int flag;
-       
+
        VM_SAFEPARMCOUNT(5,VM_drawfill);
-       
-       
+
+
        pos = PRVM_G_VECTOR(OFS_PARM0);
        size = PRVM_G_VECTOR(OFS_PARM1);
        rgb = PRVM_G_VECTOR(OFS_PARM2);
        flag = (int) PRVM_G_FLOAT(OFS_PARM4);
-       
+
        if(flag < DRAWFLAG_NORMAL || flag >=DRAWFLAG_NUMFLAGS)
        {
                Con_Printf("VM_drawstring: %s: wrong DRAWFLAG %i !\n",PRVM_NAME,flag);
                PRVM_G_FLOAT(OFS_RETURN) = -2;
                return;
        }
-       
+
        if(pos[2] || size[2])
-               Con_Printf("VM_drawstring: z value%c from %s discarded\n",(pos[2] && size[2]) ? 's' : 0,((pos[2] && size[2]) ? "pos and size" : (pos[2] ? "pos" : "size"))); 
-       
+               Con_Printf("VM_drawstring: z value%c from %s discarded\n",(pos[2] && size[2]) ? 's' : 0,((pos[2] && size[2]) ? "pos and size" : (pos[2] ? "pos" : "size")));
+
        DrawQ_Pic(pos[0], pos[1], 0, size[0], size[1], rgb[0], rgb[1], rgb[2], PRVM_G_FLOAT(OFS_PARM3), flag);
        PRVM_G_FLOAT(OFS_RETURN) = 1;
 }
@@ -2792,10 +2469,10 @@ void VM_drawsetcliparea(void)
        float x,y,w,h;
        VM_SAFEPARMCOUNT(4,VM_drawsetcliparea);
 
-       x = bound(0, PRVM_G_FLOAT(OFS_PARM0), vid.conwidth);
-       y = bound(0, PRVM_G_FLOAT(OFS_PARM1), vid.conheight);
-       w = bound(0, PRVM_G_FLOAT(OFS_PARM2) + PRVM_G_FLOAT(OFS_PARM0) - x, (vid.conwidth  - x));
-       h = bound(0, PRVM_G_FLOAT(OFS_PARM3) + PRVM_G_FLOAT(OFS_PARM1) - y, (vid.conheight - y)); 
+       x = bound(0, PRVM_G_FLOAT(OFS_PARM0), vid_conwidth.integer);
+       y = bound(0, PRVM_G_FLOAT(OFS_PARM1), vid_conheight.integer);
+       w = bound(0, PRVM_G_FLOAT(OFS_PARM2) + PRVM_G_FLOAT(OFS_PARM0) - x, (vid_conwidth.integer  - x));
+       h = bound(0, PRVM_G_FLOAT(OFS_PARM3) + PRVM_G_FLOAT(OFS_PARM1) - y, (vid_conheight.integer - y));
 
        DrawQ_SetClipArea(x, y, w, h);
 }
@@ -2823,19 +2500,19 @@ vector  getimagesize(string pic)
 */
 void VM_getimagesize(void)
 {
-       char *p;
+       const char *p;
        cachepic_t *pic;
 
        VM_SAFEPARMCOUNT(1,VM_getimagesize);
-       
+
        p = PRVM_G_STRING(OFS_PARM0);
 
        if(!p)
                PRVM_ERROR("VM_getimagepos: %s passed null picture name !\n", PRVM_NAME);
-       
+
        VM_CheckEmptyString (p);
 
-       pic = Draw_CachePic (p);
+       pic = Draw_CachePic (p, false);
 
        PRVM_G_VECTOR(OFS_RETURN)[0] = pic->width;
        PRVM_G_VECTOR(OFS_RETURN)[1] = pic->height;
@@ -2853,11 +2530,11 @@ float cin_open(string file, string name)
 */
 void VM_cin_open( void )
 {
-       char *file;
-       char *name;
-       
+       const char *file;
+       const char *name;
+
        VM_SAFEPARMCOUNT( 2, VM_cin_open );
-       
+
        file = PRVM_G_STRING( OFS_PARM0 );
        name = PRVM_G_STRING( OFS_PARM1 );
 
@@ -2879,14 +2556,14 @@ void cin_close(string name)
 */
 void VM_cin_close( void )
 {
-       char *name;
+       const char *name;
 
        VM_SAFEPARMCOUNT( 1, VM_cin_close );
 
        name = PRVM_G_STRING( OFS_PARM0 );
        VM_CheckEmptyString( name );
 
-       CL_CloseVideo( CL_GetVideo( name ) ); 
+       CL_CloseVideo( CL_GetVideo( name ) );
 }
 
 /*
@@ -2897,7 +2574,7 @@ void cin_setstate(string name, float type)
 */
 void VM_cin_setstate( void )
 {
-       char *name;
+       const char *name;
        clvideostate_t  state;
        clvideo_t               *video;
 
@@ -2910,7 +2587,7 @@ void VM_cin_setstate( void )
 
        video = CL_GetVideo( name );
        if( video && state > CLVIDEO_UNUSED && state < CLVIDEO_STATECOUNT )
-               CL_SetVideoState( video, state );               
+               CL_SetVideoState( video, state );
 }
 
 /*
@@ -2922,7 +2599,7 @@ float cin_getstate(string name)
 */
 void VM_cin_getstate( void )
 {
-       char *name;
+       const char *name;
        clvideo_t               *video;
 
        VM_SAFEPARMCOUNT( 1, VM_cin_getstate );
@@ -2946,7 +2623,7 @@ void cin_restart(string name)
 */
 void VM_cin_restart( void )
 {
-       char *name;
+       const char *name;
        clvideo_t               *video;
 
        VM_SAFEPARMCOUNT( 1, VM_cin_restart );
@@ -2972,7 +2649,7 @@ float altstr_count(string)
 */
 void VM_altstr_count( void )
 {
-       char *altstr, *pos;
+       const char *altstr, *pos;
        int     count;
 
        VM_SAFEPARMCOUNT( 1, VM_altstr_count );
@@ -2980,11 +2657,15 @@ void VM_altstr_count( void )
        altstr = PRVM_G_STRING( OFS_PARM0 );
        //VM_CheckEmptyString( altstr );
 
-       for( count = 0, pos = altstr ; *pos ; pos++ )
-               if( *pos == '\\' && !*++pos )
+       for( count = 0, pos = altstr ; *pos ; pos++ ) {
+               if( *pos == '\\' ) {
+                       if( !*++pos ) {
                                break;
-               else if( *pos == '\'' )
+                       }
+               } else if( *pos == '\'' ) {
                        count++;
+               }
+       }
 
        PRVM_G_FLOAT( OFS_RETURN ) = (float) (count / 2);
 }
@@ -2999,7 +2680,7 @@ string altstr_prepare(string)
 void VM_altstr_prepare( void )
 {
        char *outstr, *out;
-       char *instr, *in;
+       const char *instr, *in;
        int size;
 
        VM_SAFEPARMCOUNT( 1, VM_altstr_prepare );
@@ -3017,7 +2698,7 @@ void VM_altstr_prepare( void )
                        *out = *in;
        *out = 0;
 
-       PRVM_G_INT( OFS_RETURN ) = PRVM_SetString( outstr );
+       PRVM_G_INT( OFS_RETURN ) = PRVM_SetEngineString( outstr );
 }
 
 /*
@@ -3029,7 +2710,8 @@ string altstr_get(string, float)
 */
 void VM_altstr_get( void )
 {
-       char *altstr, *pos, *outstr, *out;
+       const char *altstr, *pos;
+       char *outstr, *out;
        int count, size;
 
        VM_SAFEPARMCOUNT( 2, VM_altstr_get );
@@ -3041,13 +2723,14 @@ void VM_altstr_get( void )
        count = count * 2 + 1;
 
        for( pos = altstr ; *pos && count ; pos++ )
-               if( *pos == '\\' && !*++pos )
-                       break;                          
-               else if( *pos == '\'' )
+               if( *pos == '\\' ) {
+                       if( !*++pos )
+                               break;
+               } else if( *pos == '\'' )
                        count--;
 
        if( !*pos ) {
-               PRVM_G_INT( OFS_RETURN ) = PRVM_SetString( "" );
+               PRVM_G_INT( OFS_RETURN ) = PRVM_SetEngineString( NULL );
                return;
        }
 
@@ -3064,7 +2747,7 @@ void VM_altstr_get( void )
                        *out = *pos;
 
        *out = 0;
-       PRVM_G_INT( OFS_RETURN ) = PRVM_SetString( outstr );
+       PRVM_G_INT( OFS_RETURN ) = PRVM_SetEngineString( outstr );
 }
 
 /*
@@ -3077,8 +2760,8 @@ string altstr_set(string altstr, float num, string set)
 void VM_altstr_set( void )
 {
     int num;
-       char *altstr, *str;
-       char *in;
+       const char *altstr, *str;
+       const char *in;
        char *outstr, *out;
 
        VM_SAFEPARMCOUNT( 3, VM_altstr_set );
@@ -3093,938 +2776,85 @@ void VM_altstr_set( void )
 
        outstr = out = VM_GetTempString();
        for( num = num * 2 + 1, in = altstr; *in && num; *out++ = *in++ )
-               if( *in == '\\' && !*++in )
-                       break;
-               else if( *in == '\'' )
+               if( *in == '\\' ) {
+                       if( !*++in ) {
+                               break;
+                       }
+               } else if( *in == '\'' ) {
                        num--;
+               }
 
        if( !in ) {
-               PRVM_G_INT( OFS_RETURN ) = PRVM_SetString( "" );
+               PRVM_G_INT( OFS_RETURN ) = PRVM_SetEngineString( altstr );
                return;
        }
        // copy set in
        for( ; *str; *out++ = *str++ );
-       // now jump over the old contents
+       // now jump over the old content
        for( ; *in ; in++ )
-               if( *in == '\'' || *in == '\\' && !*++in )
+               if( *in == '\'' || (*in == '\\' && !*++in) )
                        break;
-       
+
        if( !in ) {
-               PRVM_G_INT( OFS_RETURN ) = PRVM_SetString( "" );
+               PRVM_G_INT( OFS_RETURN ) = PRVM_SetEngineString( NULL );
                return;
        }
 
        strcpy( out, in );
-       PRVM_G_INT( OFS_RETURN ) = PRVM_SetString( outstr );
+       PRVM_G_INT( OFS_RETURN ) = PRVM_SetEngineString( outstr );
 }
 
-void VM_Cmd_Init(void)
+/*
+========================
+VM_altstr_ins
+insert after num
+string altstr_ins(string altstr, float num, string set)
+========================
+*/
+void VM_altstr_ins(void)
 {
-       // only init the stuff for the current prog
-       VM_STRINGS_MEMPOOL = Mem_AllocPool(va("vm_stringsmempool[%s]",PRVM_NAME), 0, NULL);
-       VM_Files_Init();
-       VM_Search_Init();
-}
-
-void VM_Cmd_Reset(void)
-{
-       //Mem_EmptyPool(VM_STRINGS_MEMPOOL);
-       if( developer.integer >= 2 && VM_STRINGS_MEMPOOL ) {
-               memheader_t *header;
-               int     i;
-
-               for( i = 0, header = VM_STRINGS_MEMPOOL->chain ; header ; header = header->next, i++ )
-                       Con_DPrintf( "Leaked string %i (size: %i): %.*s\n", i, header->size, header->size, ((char*)header) + sizeof( memheader_t ) );
-       }
-
-       Mem_FreePool(&VM_STRINGS_MEMPOOL);
-       CL_PurgeOwner( MENUOWNER );
-       VM_Search_Reset();
-       VM_Files_CloseAll();
-}
-
-//============================================================================
-// Server
-
-char *vm_sv_extensions =
-"";
-
-prvm_builtin_t vm_sv_builtins[] = {
-0  // to be consistent with the old vm
-};
-
-const int vm_sv_numbuiltins = sizeof(vm_sv_builtins) / sizeof(prvm_builtin_t);
-
-void VM_SV_Cmd_Init(void)
-{
-}
-
-void VM_SV_Cmd_Reset(void)
-{
-}
-
-//============================================================================
-// Client
-
-char *vm_cl_extensions =
-"";
-
-prvm_builtin_t vm_cl_builtins[] = {
-0  // to be consistent with the old vm
-};
-
-const int vm_cl_numbuiltins = sizeof(vm_cl_builtins) / sizeof(prvm_builtin_t);
-
-void VM_CL_Cmd_Init(void)
-{
-}
-
-void VM_CL_Cmd_Reset(void)
-{
-}
-
-//============================================================================
-// Menu
-
-char *vm_m_extensions =
-"DP_CINEMATIC_DPV";
-
-/*
-=========
-VM_M_setmousetarget
-
-setmousetarget(float target)
-=========
-*/
-void VM_M_setmousetarget(void)
-{
-       VM_SAFEPARMCOUNT(1, VM_M_setmousetarget);
-
-       switch((int)PRVM_G_FLOAT(OFS_PARM0))
-       {
-       case 1:
-               in_client_mouse = false;
-               break;
-       case 2:
-               in_client_mouse = true;
-               break;
-       default:
-               PRVM_ERROR("VM_M_setmousetarget: wrong destination %i !\n",PRVM_G_FLOAT(OFS_PARM0));
-       }
-}
-
-/*
-=========
-VM_M_getmousetarget
-
-float  getmousetarget
-=========
-*/
-void VM_M_getmousetarget(void)
-{
-       VM_SAFEPARMCOUNT(0,VM_M_getmousetarget);
-
-       if(in_client_mouse)
-               PRVM_G_FLOAT(OFS_RETURN) = 2;
-       else
-               PRVM_G_FLOAT(OFS_RETURN) = 1;
-}
-       
-
-
-/*
-=========
-VM_M_setkeydest
-
-setkeydest(float dest)
-=========
-*/
-void VM_M_setkeydest(void)
-{
-       VM_SAFEPARMCOUNT(1,VM_M_setkeydest);
-
-       switch((int)PRVM_G_FLOAT(OFS_PARM0))
-       {
-       case 0:
-               // key_game
-               key_dest = key_game;
-               break;
-       case 2:
-               // key_menu
-               key_dest = key_menu;
-               break;
-       case 1:
-               // key_message
-               // key_dest = key_message
-               // break;
-       default:
-               PRVM_ERROR("VM_M_setkeydest: wrong destination %i !\n",prog->globals[OFS_PARM0]);
-       }
-}
-
-/*
-=========
-VM_M_getkeydest
-
-float  getkeydest
-=========
-*/
-void VM_M_getkeydest(void)
-{
-       VM_SAFEPARMCOUNT(0,VM_M_getkeydest);
-
-       // key_game = 0, key_message = 1, key_menu = 2, unknown = 3
-       switch(key_dest)
-       {
-       case key_game:
-               PRVM_G_FLOAT(OFS_RETURN) = 0;
-               break;
-       case key_menu:
-               PRVM_G_FLOAT(OFS_RETURN) = 2;
-               break;
-       case key_message:
-               // not supported
-               // PRVM_G_FLOAT(OFS_RETURN) = 1;
-               // break;
-       default:
-               PRVM_G_FLOAT(OFS_RETURN) = 3;
-       }
-}
-
-/*
-=========
-VM_M_callfunction
-
-       callfunction(...,string function_name)
-Extension: pass 
-=========
-*/
-mfunction_t *PRVM_ED_FindFunction (const char *name);
-void VM_M_callfunction(void)
-{
-       mfunction_t *func;
-       char *s;
-
-       if(prog->argc == 0)
-               PRVM_ERROR("VM_M_callfunction: 1 parameter is required !\n");
-
-       s = PRVM_G_STRING(OFS_PARM0 + (prog->argc - 1));
-
-       if(!s)
-               PRVM_ERROR("VM_M_callfunction: null string !\n");
-
-       VM_CheckEmptyString(s); 
-
-       func = PRVM_ED_FindFunction(s);
-
-       if(!func)
-               PRVM_ERROR("VM_M_callfunciton: function %s not found !\n", s);
-       else if (func->first_statement < 0)
-       {
-               // negative statements are built in functions
-               int builtinnumber = -func->first_statement;
-               prog->xfunction->builtinsprofile++;
-               if (builtinnumber < prog->numbuiltins && prog->builtins[builtinnumber])
-                       prog->builtins[builtinnumber]();
-               else
-                       PRVM_ERROR("No such builtin #%i in %s", builtinnumber, PRVM_NAME);
-       }
-       else if(func > 0)
-       {
-               prog->argc--;
-               PRVM_ExecuteProgram(func - prog->functions,"");
-               prog->argc++;
-       }
-}      
-
-/*
-=========
-VM_M_isfunction
-
-float  isfunction(string function_name)
-=========
-*/
-mfunction_t *PRVM_ED_FindFunction (const char *name);
-void VM_M_isfunction(void)
-{
-       mfunction_t *func;
-       char *s;
-       
-       VM_SAFEPARMCOUNT(1, VM_M_isfunction);
-       
-       s = PRVM_G_STRING(OFS_PARM0);
-       
-       if(!s)
-               PRVM_ERROR("VM_M_isfunction: null string !\n");
-       
-       VM_CheckEmptyString(s); 
-       
-       func = PRVM_ED_FindFunction(s);
-
-       if(!func)
-               PRVM_G_FLOAT(OFS_RETURN) = false;
-       else
-               PRVM_G_FLOAT(OFS_RETURN) = true;
-}
-
-/*
-=========
-VM_M_writetofile
-
-       writetofile(float fhandle, entity ent)
-=========
-*/
-void VM_M_writetofile(void)
-{
-       prvm_edict_t * ent;
-       int filenum;
-
-       VM_SAFEPARMCOUNT(2, VM_M_writetofile);
-
-       filenum = PRVM_G_FLOAT(OFS_PARM0);
-       if (filenum < 0 || filenum >= MAX_VMFILES)
-       {
-               Con_Printf("VM_fputs: invalid file handle %i used in %s\n", filenum, PRVM_NAME);
-               return;
-       }
-       if (VM_FILES[filenum] == NULL)
-       {
-               Con_Printf("VM_fputs: no such file handle %i (or file has been closed) in %s\n", filenum, PRVM_NAME);
-               return;
-       }
-
-       ent = PRVM_G_EDICT(OFS_PARM1);  
-       if(ent->p.e->free)
-       {
-               Con_Printf("VM_M_writetofile: %s: entity %i is free !\n", PRVM_NAME, PRVM_EDICT_NUM(OFS_PARM1));
-               return;
-       }
-
-       PRVM_ED_Write (VM_FILES[filenum], ent);
-}
-
-/*
-=========
-VM_M_getresolution
-
-vector getresolution(float number)
-=========
-*/
-extern unsigned short video_resolutions[][2];
-void VM_M_getresolution(void)
-{
-       int nr;
-       VM_SAFEPARMCOUNT(1, VM_getresolution);
-
-       nr = PRVM_G_FLOAT(OFS_PARM0);
-
-
-       PRVM_G_VECTOR(OFS_RETURN)[0] = video_resolutions[nr][0];
-       PRVM_G_VECTOR(OFS_RETURN)[1] = video_resolutions[nr][1];
-       PRVM_G_VECTOR(OFS_RETURN)[2] = 0;       
-}
-
-/*
-=========
-VM_M_keynumtostring
-
-string keynumtostring(float keynum)
-=========
-*/
-void VM_M_keynumtostring(void)
-{
-       int keynum;
-       char *tmp;
-       VM_SAFEPARMCOUNT(1, VM_M_keynumtostring);
-
-       keynum = PRVM_G_FLOAT(OFS_PARM0);
-
-       tmp = VM_GetTempString();
-       
-       strcpy(tmp, Key_KeynumToString(keynum));
-
-       PRVM_G_INT(OFS_RETURN) = PRVM_SetString(tmp);
-}
-
-/*
-=========
-VM_M_stringtokeynum
-
-float stringtokeynum(string key)
-=========
-*/
-void VM_M_stringtokeynum( void )
-{
-       char *str;
-       VM_SAFEPARMCOUNT( 1, VM_M_keynumtostring );
-
-       str = PRVM_G_STRING( OFS_PARM0 );
-
-       PRVM_G_INT(OFS_RETURN) = Key_StringToKeynum( str );
-}
-
-/*
-=========
-VM_M_findkeysforcommand
-
-string findkeysforcommand(string command)
-
-the returned string is an altstring
-=========
-*/
-#define NUMKEYS 5 // TODO: merge the constant in keys.c with this one somewhen
-
-void M_FindKeysForCommand(char *command, int *keys);
-void VM_M_findkeysforcommand(void)
-{
-       char *cmd, *ret;
-       int keys[NUMKEYS];
-       int i;
-
-       VM_SAFEPARMCOUNT(1, VM_M_findkeysforcommand);
-
-       cmd = PRVM_G_STRING(OFS_PARM0);
-       
-       VM_CheckEmptyString(cmd);
-
-       (ret = VM_GetTempString())[0] = 0;
-       
-       M_FindKeysForCommand(cmd, keys);
-
-       for(i = 0; i < NUMKEYS; i++)
-               ret = strcat(ret, va(" \'%i\'", keys[i]));
+       int num;
+       const char *setstr;
+       const char *set;
+       const char *instr;
+       const char *in;
+       char *outstr;
+       char *out;
 
-       PRVM_G_INT(OFS_RETURN) = PRVM_SetString(ret);
-}
-
-/*
-=========
-VM_M_gethostcachestat
-
-float  gethostcachestat(float type)
-=========
-*/
-/*
-       type:
-0      hostcache_viewcount
-1   hostcache_totalcount
-2      masterquerycount
-3      masterreplycount
-4      serverquerycount
-5      serverreplycount
-6      sortfield
-7      sortdescending
-*/
-void VM_M_gethostcachestat( void )
-{
-       int type;
-       VM_SAFEPARMCOUNT ( 1, VM_M_gethostcachestat );
-
-       PRVM_G_FLOAT( OFS_RETURN ) = 0;
-
-       type = PRVM_G_FLOAT( OFS_PARM0 );
-       switch(type)
-       {
-       case 0:
-               PRVM_G_FLOAT ( OFS_RETURN ) = hostcache_viewcount;
-               return;
-       case 1:
-               PRVM_G_FLOAT ( OFS_RETURN ) = hostcache_cachecount; 
-       case 2:
-               PRVM_G_FLOAT ( OFS_RETURN ) = masterquerycount;
-               return;
-       case 3:
-               PRVM_G_FLOAT ( OFS_RETURN ) = masterreplycount;
-               return;
-       case 4:
-               PRVM_G_FLOAT ( OFS_RETURN ) = serverquerycount;
-               return;
-       case 5:
-               PRVM_G_FLOAT ( OFS_RETURN ) = serverreplycount;
-               return;
-       case 6:
-               PRVM_G_FLOAT ( OFS_RETURN ) = hostcache_sortbyfield;
-               return;
-       case 7:
-               PRVM_G_FLOAT ( OFS_RETURN ) = hostcache_sortdescending;
-               return;
-       default:
-               Con_Printf( "VM_M_gethostcachestat: bad type %i!\n", type );
-       }
-}
-
-/*
-========================
-VM_M_resethostcachemasks
-
-resethostcachemasks()
-========================
-*/
-void VM_M_resethostcachemasks( void )
-{
-       HostCache_ResetMasks();
-}
-
-
-/*
-========================
-VM_M_sethostcachemaskstring
-
-sethostcachemaskstring(float mask, float fld, string str, float op)
-0-511          and
-512 - 1024     or
-========================
-*/
-void VM_M_sethostcachemaskstring( void )
-{
-       char *str;
-       int masknr;
-       hostcache_mask_t *mask;
-       int field;
-
-       VM_SAFEPARMCOUNT( 4, VM_M_sethostcachemaskstring );
-       str = PRVM_G_STRING( OFS_PARM1 );
-       if( !str )
-               PRVM_ERROR( "VM_M_sethostcachemaskstring: null string passed!" );
-
-       masknr = PRVM_G_FLOAT( OFS_PARM0 );
-       if( masknr >= 0 && masknr <= HOSTCACHE_ANDMASKCOUNT )
-               mask = &hostcache_andmasks[masknr];
-       else if( masknr >= 512 && masknr - 512 <= HOSTCACHE_ORMASKCOUNT )
-               mask = &hostcache_ormasks[masknr - 512 ];
-       else {
-               Con_Printf( "VM_M_sethostcachemaskstring: invalid mask number %i\n", masknr );
-               return;
-       }
-
-       field = (int) PRVM_G_FLOAT( OFS_PARM1 );
-       
-       switch( field ) {
-               case HCIF_CNAME:
-                       strncpy( mask->info.cname, PRVM_G_STRING( OFS_PARM2 ), sizeof(mask->info.cname) );
-                       break;
-               case HCIF_NAME:
-                       strncpy( mask->info.name, PRVM_G_STRING( OFS_PARM2 ), sizeof(mask->info.name)  );
-                       break;
-               case HCIF_MAP:
-                       strncpy( mask->info.map, PRVM_G_STRING( OFS_PARM2 ), sizeof(mask->info.map)  );
-                       break;
-               case HCIF_MOD:
-                       strncpy( mask->info.mod, PRVM_G_STRING( OFS_PARM2 ), sizeof(mask->info.mod)  );
-                       break;
-               case HCIF_GAME:
-                       strncpy( mask->info.game, PRVM_G_STRING( OFS_PARM2 ), sizeof(mask->info.game)  );
-                       break;
-               default:
-                       Con_Printf( "VM_M_sethostcachemaskstring: Bad field number %i passed!\n", field );
-                       return;
-       }
-
-       mask->active = true;
-       mask->tests[field] = (int) PRVM_G_FLOAT( OFS_PARM3 );
-}    
-
-/*
-========================
-VM_M_sethostcachemasknumber
-
-sethostcachemasknumber(float mask, float fld, float num, float op)
-
-0-511          and
-512 - 1024     or
-========================
-*/
-void VM_M_sethostcachemasknumber( void )
-{
-       int number;
-       hostcache_mask_t *mask;
-       int     masknr;
-       int field;
-       VM_SAFEPARMCOUNT( 4, VM_M_sethostcachemasknumber );
-
-       masknr = PRVM_G_FLOAT( OFS_PARM0 );
-       if( masknr >= 0 && masknr <= HOSTCACHE_ANDMASKCOUNT )
-               mask = &hostcache_andmasks[masknr];
-       else if( masknr >= 512 && masknr - 512 <= HOSTCACHE_ORMASKCOUNT )
-               mask = &hostcache_ormasks[masknr - 512 ];
-       else {
-               Con_Printf( "VM_M_sethostcachemasknumber: invalid mask number %i\n", masknr );
-               return;
-       }
-
-       number = PRVM_G_FLOAT( OFS_PARM2 );
-       field = (int) PRVM_G_FLOAT( OFS_PARM1 );
-
-       switch( field ) {
-               case HCIF_MAXPLAYERS:
-                       mask->info.maxplayers = number;
-                       break;
-               case HCIF_NUMPLAYERS:
-                       mask->info.numplayers = number;
-                       break;
-               case HCIF_PING:
-                       mask->info.ping = number;
-                       break;
-               case HCIF_PROTOCOL:
-                       mask->info.protocol = number;
-                       break;
-               default:
-                       Con_Printf( "VM_M_sethostcachemasknumber: Bad field number %i passed!\n", field );
-                       return;
-       }
-
-       mask->active = true;
-       mask->tests[field] = (int) PRVM_G_FLOAT( OFS_PARM3 );
-}
-
-
-/*
-========================
-VM_M_resorthostcache
-
-resorthostcache
-========================
-*/
-void VM_M_resorthostcache( void )
-{
-       HostCache_RebuildViewSet();
-}
-
-/*
-=========
-VM_M_gethostcachestring
-
-string gethostcachestring(float field, float hostnr)
-=========
-*/
-void VM_M_gethostcachestring(void)
-{
-       hostcache_t *cache;
-       int hostnr;
-
-       VM_SAFEPARMCOUNT(2, VM_M_gethostcachestring);
-
-       PRVM_G_INT(OFS_RETURN) = 0;
-
-       hostnr = PRVM_G_FLOAT(OFS_PARM1);
-
-       if(hostnr < 0 || hostnr >= hostcache_viewcount)
-       {
-               Con_Print("VM_M_gethostcachestring: bad hostnr passed!\n");
-               return;
-       }
-       cache = hostcache_viewset[hostnr];
-       switch( (int) PRVM_G_FLOAT(OFS_PARM0) ) {
-               case HCIF_CNAME:
-                       PRVM_G_INT( OFS_RETURN ) = PRVM_SetString( cache->info.cname );
-                       break;
-               case HCIF_NAME:
-                       PRVM_G_INT( OFS_RETURN ) = PRVM_SetString( cache->info.name );
-                       break;
-               case HCIF_GAME:
-                       PRVM_G_INT( OFS_RETURN ) = PRVM_SetString( cache->info.game );
-                       break;
-               case HCIF_MOD:
-                       PRVM_G_INT( OFS_RETURN ) = PRVM_SetString( cache->info.mod );
-                       break;
-               case HCIF_MAP:
-                       PRVM_G_INT( OFS_RETURN ) = PRVM_SetString( cache->info.map );
-                       break;
-               // TODO remove this again
-               case 1024:
-                       PRVM_G_INT( OFS_RETURN ) = PRVM_SetString( cache->line1 );
-                       break;
-               case 1025:
-                       PRVM_G_INT( OFS_RETURN ) = PRVM_SetString( cache->line2 );
-                       break;
-               default:
-                       Con_Print("VM_M_gethostcachestring: bad field number passed!\n");
-       }
-}
-
-/*
-=========
-VM_M_gethostcachenumber
-
-float  gethostcachenumber(float field, float hostnr)
-=========
-*/
-void VM_M_gethostcachenumber(void)
-{
-       hostcache_t *cache;
-       int hostnr;
-
-       VM_SAFEPARMCOUNT(2, VM_M_gethostcachestring);
+       in = instr = PRVM_G_STRING( OFS_PARM0 );
+       num = PRVM_G_FLOAT( OFS_PARM1 );
+       set = setstr = PRVM_G_STRING( OFS_PARM2 );
 
-       PRVM_G_INT(OFS_RETURN) = 0;
+       out = outstr = VM_GetTempString();
+       for( num = num * 2 + 2 ; *in && num > 0 ; *out++ = *in++ )
+               if( *in == '\\' ) {
+                       if( !*++in ) {
+                               break;
+                       }
+               } else if( *in == '\'' ) {
+                       num--;
+               }
 
-       hostnr = PRVM_G_FLOAT(OFS_PARM1);
+       *out++ = '\'';
+       for( ; *set ; *out++ = *set++ );
+       *out++ = '\'';
 
-       if(hostnr < 0 || hostnr >= hostcache_viewcount)
-       {
-               Con_Print("VM_M_gethostcachestring: bad hostnr passed!\n");
-               return;
-       }
-       cache = hostcache_viewset[hostnr];
-       switch( (int) PRVM_G_FLOAT(OFS_PARM0) ) {
-               case HCIF_MAXPLAYERS:
-                       PRVM_G_FLOAT( OFS_RETURN ) = cache->info.maxplayers;
-                       break;
-               case HCIF_NUMPLAYERS:
-                       PRVM_G_FLOAT( OFS_RETURN ) = cache->info.numplayers;
-                       break;
-               case HCIF_PING:
-                       PRVM_G_FLOAT( OFS_RETURN ) = cache->info.ping;
-                       break;
-               case HCIF_PROTOCOL:
-                       PRVM_G_FLOAT( OFS_RETURN ) = cache->info.protocol;
-                       break;
-               default:
-                       Con_Print("VM_M_gethostcachenumber: bad field number passed!\n");
-       }
+       strcpy( out, in );
+       PRVM_G_INT( OFS_RETURN ) = PRVM_SetEngineString( outstr );
 }
 
-/*
-========================
-VM_M_sethostcachesort
-
-sethostcachesort(float field, float descending)
-========================
-*/
-void VM_M_sethostcachesort( void )
+void VM_Cmd_Init(void)
 {
-       VM_SAFEPARMCOUNT( 2, VM_M_sethostcachesort );
-
-       hostcache_sortbyfield = (int) PRVM_G_FLOAT( OFS_PARM0 );
-       hostcache_sortdescending = (qboolean) PRVM_G_FLOAT( OFS_PARM1 );
+       // only init the stuff for the current prog
+       VM_Files_Init();
+       VM_Search_Init();
 }
 
-/*
-========================
-VM_M_refreshhostcache
-
-refreshhostcache()
-========================
-*/
-void VM_M_refreshhostcache( void )
+void VM_Cmd_Reset(void)
 {
-       VM_SAFEPARMCOUNT( 0, VM_M_refreshhostcache );
-       HostCache_QueryList();
-}
-
-/*
-========================
-VM_M_gethostcacheindexforkey
-
-float gethostcacheindexforkey(string key)
-========================
-*/
-void VM_M_gethostcacheindexforkey( void )
-{
-       char *key;
-       VM_SAFEPARMCOUNT( 1, VM_M_gethostcacheindexforkey );
-
-       key = PRVM_G_STRING( OFS_PARM0 );
-       VM_CheckEmptyString( key );
-       
-       if( !strcmp( key, "cname" ) )
-               PRVM_G_FLOAT( OFS_RETURN ) = HCIF_CNAME;
-       else if( !strcmp( key, "ping" ) )
-               PRVM_G_FLOAT( OFS_RETURN ) = HCIF_PING;
-       else if( !strcmp( key, "game" ) )
-               PRVM_G_FLOAT( OFS_RETURN ) = HCIF_GAME;
-       else if( !strcmp( key, "mod" ) )
-               PRVM_G_FLOAT( OFS_RETURN ) = HCIF_MOD;
-       else if( !strcmp( key, "map" ) )
-               PRVM_G_FLOAT( OFS_RETURN ) = HCIF_MAP;
-       else if( !strcmp( key, "name" ) )
-               PRVM_G_FLOAT( OFS_RETURN ) = HCIF_NAME;
-       else if( !strcmp( key, "maxplayers" ) )
-               PRVM_G_FLOAT( OFS_RETURN ) = HCIF_MAXPLAYERS;
-       else if( !strcmp( key, "numplayers" ) )
-               PRVM_G_FLOAT( OFS_RETURN ) = HCIF_NUMPLAYERS;
-       else if( !strcmp( key, "protocol" ) )
-               PRVM_G_FLOAT( OFS_RETURN ) = HCIF_PROTOCOL;
-       else
-               PRVM_G_FLOAT( OFS_RETURN ) = -1;
+       CL_PurgeOwner( MENUOWNER );
+       VM_Search_Reset();
+       VM_Files_CloseAll();
 }
 
-/*
-========================
-VM_M_addwantedhostcachekey
 
-addwantedhostcachekey(string key)
-========================
-*/
-void VM_M_addwantedhostcachekey( void )
-{
-       VM_SAFEPARMCOUNT( 1, VM_M_addwantedhostcachekey );
-}
-
-prvm_builtin_t vm_m_builtins[] = {
-       0, // to be consistent with the old vm
-       // common builtings (mostly)
-       VM_checkextension,
-       VM_error,
-       VM_objerror,
-       VM_print,
-       VM_bprint,
-       VM_sprint,
-       VM_centerprint,
-       VM_normalize,
-       VM_vlen,
-       VM_vectoyaw,    // #10
-       VM_vectoangles,
-       VM_random,
-       VM_localcmd,
-       VM_cvar,
-       VM_cvar_set,
-       VM_dprint,
-       VM_ftos,
-       VM_fabs,
-       VM_vtos,
-       VM_etos,                // 20
-       VM_stof,
-       VM_spawn,
-       VM_remove,
-       VM_find,
-       VM_findfloat,
-       VM_findchain,
-       VM_findchainfloat,
-       VM_precache_file,
-       VM_precache_sound,
-       VM_coredump,    // 30
-       VM_traceon,
-       VM_traceoff,
-       VM_eprint,
-       VM_rint,
-       VM_floor,
-       VM_ceil,
-       VM_nextent,
-       VM_sin,
-       VM_cos,
-       VM_sqrt,                // 40
-       VM_randomvec,
-       VM_registercvar,
-       VM_min,
-       VM_max,
-       VM_bound,
-       VM_pow,
-       VM_copyentity,
-       VM_fopen,
-       VM_fclose,
-       VM_fgets,               // 50
-       VM_fputs,
-       VM_strlen,
-       VM_strcat,
-       VM_substring,
-       VM_stov,
-       VM_strzone,
-       VM_strunzone,
-       VM_tokenize,
-       VM_argv,
-       VM_isserver,    // 60
-       VM_clientcount, 
-       VM_clientstate, 
-       VM_clcommand,
-       VM_changelevel,
-       VM_localsound,  
-       VM_getmousepos,
-       VM_gettime,
-       VM_loadfromdata,
-       VM_loadfromfile,
-       VM_modulo,              // 70
-       VM_str_cvar,    
-       VM_crash,
-       VM_stackdump,   // 73
-       VM_search_begin,
-       VM_search_end,
-       VM_search_getsize,
-       VM_search_getfilename, // 77
-       VM_chr, 
-       VM_itof,
-       VM_ftoi,                // 80
-       VM_itof,                // isString
-       VM_altstr_count,
-       VM_altstr_prepare,
-       VM_altstr_get,
-       VM_altstr_set,  // 85
-       0,0,0,0,0,      // 90
-       e10,                    // 100
-       e100,                   // 200
-       e100,                   // 300
-       e100,                   // 400
-       // msg functions
-       VM_WriteByte,
-       VM_WriteChar,
-       VM_WriteShort,
-       VM_WriteLong,
-       VM_WriteAngle,
-       VM_WriteCoord,
-       VM_WriteString,
-       VM_WriteEntity, // 408
-       0,
-       0,                              // 410
-       e10,                    // 420
-       e10,                    // 430
-       e10,                    // 440
-       e10,                    // 450
-       // draw functions
-       VM_iscachedpic,
-       VM_precache_pic,
-       VM_freepic,
-       VM_drawcharacter,
-       VM_drawstring,
-       VM_drawpic,
-       VM_drawfill,    
-       VM_drawsetcliparea,
-       VM_drawresetcliparea,
-       VM_getimagesize,// 460
-       VM_cin_open,
-       VM_cin_close,
-       VM_cin_setstate,        
-       VM_cin_getstate,
-       VM_cin_restart, // 465
-       0,0,0,0,0,      // 470
-       e10,                    // 480
-       e10,                    // 490
-       e10,                    // 500
-       e100,                   // 600
-       // menu functions
-       VM_M_setkeydest,
-       VM_M_getkeydest,
-       VM_M_setmousetarget,
-       VM_M_getmousetarget,
-       VM_M_callfunction,
-       VM_M_writetofile,
-       VM_M_isfunction,
-       VM_M_getresolution,
-       VM_M_keynumtostring,
-       VM_M_findkeysforcommand,// 610
-       VM_M_gethostcachestat,
-       VM_M_gethostcachestring,
-       VM_M_parseentitydata,
-       VM_M_stringtokeynum,
-       VM_M_resethostcachemasks,
-       VM_M_sethostcachemaskstring,
-       VM_M_sethostcachemasknumber,
-       VM_M_resorthostcache,
-       VM_M_sethostcachesort,
-       VM_M_refreshhostcache,
-       VM_M_gethostcachenumber,
-       VM_M_gethostcacheindexforkey, 
-       VM_M_addwantedhostcachekey // 623
-};
-
-const int vm_m_numbuiltins = sizeof(vm_m_builtins) / sizeof(prvm_builtin_t);
-
-void VM_M_Cmd_Init(void)
-{
-       VM_Cmd_Init();
-}
-
-void VM_M_Cmd_Reset(void)
-{
-       //VM_Cmd_Init();
-       VM_Cmd_Reset();
-}