]> de.git.xonotic.org Git - xonotic/darkplaces.git/blobdiff - prvm_cmds.c
added DP_ASINACOSATANATAN2TAN extension which adds common trig functions missing...
[xonotic/darkplaces.git] / prvm_cmds.c
index e306d917908b56cf06a93d154d02d187f3b6bb7b..bca257373edf300d7ce4733b202d7ee5d975d008 100644 (file)
 // cause large (I think they will) parts are from pr_cmds the same copyright like in pr_cmds
 // also applies here
 
+#include "prvm_cmds.h"
 
-/*
-============================================================================
-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)
-string altstr_ins(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  getserverliststat(float type)
-string getserverliststring(float fld, float hostnr)
-
-               parseentitydata(entity ent, string data)
-
-float  stringtokeynum(string key)
-
-               resetserverlistmasks()
-               setserverlistmaskstring(float mask, float fld, string str)
-               setserverlistmasknumber(float mask, float fld, float num, float op)
-               resortserverlist()
-               setserverlistsort(float field, float descending)
-               refreshserverlist()
-float  getserverlistnumber(float fld, float hostnr)
-float  getserverlistindexforkey(string key)
-               addwantedserverlistkey(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
+// LordHavoc: changed this to NOT use a return statement, so that it can be used in functions that must return a value
+void VM_Warning(const char *fmt, ...)
+{
+       va_list argptr;
+       char msg[MAX_INPUTLINE];
 
-#define        VM_RETURN_EDICT(e)              (((int *)prog->globals)[OFS_RETURN] = PRVM_EDICT_TO_PROG(e))
+       va_start(argptr,fmt);
+       dpvsnprintf(msg,sizeof(msg),fmt,argptr);
+       va_end(argptr);
 
-#define VM_STRINGS_MEMPOOL             vm_strings_mempool[PRVM_GetProgNr()]
+       Con_Print(msg);
+       // TODO: either add a cvar/cmd to control the state dumping or replace some of the calls with Con_Printf [9/13/2006 Black]
+       //PRVM_PrintState();
+}
 
-#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
 
 //============================================================================
 // 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;
 
-// qc file handling
-#define MAX_VMFILES            256
-#define MAX_PRVMFILES  MAX_VMFILES * PRVM_MAXPROGS
-#define VM_FILES ((qfile_t**)(vm_files + PRVM_GetProgNr() * MAX_VMFILES))
-
-qfile_t *vm_files[MAX_PRVMFILES];
-
-// qc fs search handling
-#define MAX_VMSEARCHES 128
-#define TOTAL_VMSEARCHES MAX_VMSEARCHES * PRVM_MAXPROGS
-#define VM_SEARCHLIST ((fssearch_t**)(vm_fssearchlist + PRVM_GetProgNr() * MAX_VMSEARCHES))
-
-fssearch_t *vm_fssearchlist[TOTAL_VMSEARCHES];
-
-static char *VM_GetTempString(void)
+// TODO: (move vm_files and vm_fssearchlist to prvm_prog_t struct)
+// TODO: move vm_files and vm_fssearchlist back [9/13/2006 Black]
+char *VM_GetTempString(void)
 {
        char *s;
        s = vm_string_temp[vm_string_tempindex];
@@ -231,7 +40,7 @@ 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);
@@ -267,11 +76,11 @@ checkextension(extensionname)
 */
 
 // kind of helper function
-static qboolean checkextension(char *name)
+static qboolean checkextension(const char *name)
 {
        int len;
        char *e, *start;
-       len = strlen(name);
+       len = (int)strlen(name);
 
        for (e = prog->extensionstring;*e;e++)
        {
@@ -282,11 +91,8 @@ static qboolean checkextension(char *name)
                start = e;
                while (*e && *e != ' ')
                        e++;
-               if (e - start == len)
-                       if (!strncasecmp(start, name, len))
-                       {
-                               return true;
-                       }
+               if ((e - start) == len && !strncasecmp(start, name, len))
+                       return true;
        }
        return false;
 }
@@ -314,14 +120,14 @@ void VM_error (void)
        char string[VM_STRINGTEMP_LENGTH];
 
        VM_VarString(0, string, sizeof(string));
-       Con_Printf("======%S ERROR in %s:\n%s\n", PRVM_NAME, PRVM_GetString(prog->xfunction->s_name), string);
+       Con_Printf("======%s ERROR in %s:\n%s\n", PRVM_NAME, PRVM_GetString(prog->xfunction->s_name), string);
        if(prog->self)
        {
                ed = PRVM_G_EDICT(prog->self->ofs);
                PRVM_ED_Print(ed);
        }
 
-       PRVM_ERROR ("%s: Program error", PRVM_NAME);
+       PRVM_ERROR ("%s: Program error in function %s:\n%s\nTip: read above for entity information\n", PRVM_NAME, PRVM_GetString(prog->xfunction->s_name), string);
 }
 
 /*
@@ -340,7 +146,7 @@ void VM_objerror (void)
        char string[VM_STRINGTEMP_LENGTH];
 
        VM_VarString(0, string, sizeof(string));
-       Con_Printf("======%s OBJECT ERROR in %s:\n%s\n", PRVM_NAME, PRVM_GetString(prog->xfunction->s_name), string);
+       Con_Printf("======OBJECT ERROR======\n", PRVM_NAME, PRVM_GetString(prog->xfunction->s_name), string);
        if(prog->self)
        {
                ed = PRVM_G_EDICT (prog->self->ofs);
@@ -350,7 +156,8 @@ void VM_objerror (void)
        }
        else
                // objerror has to display the object fields -> else call
-               PRVM_ERROR ("VM_objecterror: self not defined !\n");
+               PRVM_ERROR ("VM_objecterror: self not defined !");
+       Con_Printf("%s OBJECT ERROR in %s:\n%s\nTip: read above for entity information\n", PRVM_NAME, PRVM_GetString(prog->xfunction->s_name), string);
 }
 
 /*
@@ -385,7 +192,7 @@ void VM_bprint (void)
 
        if(!sv.active)
        {
-               Con_Printf("VM_bprint: game is not server(%s) !\n", PRVM_NAME);
+               VM_Warning("VM_bprint: game is not server(%s) !\n", PRVM_NAME);
                return;
        }
 
@@ -409,17 +216,20 @@ void VM_sprint (void)
        char string[VM_STRINGTEMP_LENGTH];
 
        //find client for this entity
-       clientnum = PRVM_G_FLOAT(OFS_PARM0);
+       clientnum = (int)PRVM_G_FLOAT(OFS_PARM0);
        if (!sv.active  || clientnum < 0 || clientnum >= svs.maxclients || !svs.clients[clientnum].active)
        {
-               Con_Printf("VM_sprint: %s: invalid client or server is not active !\n", PRVM_NAME);
+               VM_Warning("VM_sprint: %s: invalid client or server is not active !\n", PRVM_NAME);
                return;
        }
 
        client = svs.clients + clientnum;
+       if (!client->netconnection)
+               return;
+
        VM_VarString(1, string, sizeof(string));
-       MSG_WriteChar(&client->message,svc_print);
-       MSG_WriteString(&client->message, string);
+       MSG_WriteChar(&client->netconnection->message,svc_print);
+       MSG_WriteString(&client->netconnection->message, string);
 }
 
 /*
@@ -450,24 +260,20 @@ void VM_normalize (void)
 {
        float   *value1;
        vec3_t  newvalue;
-       float   new;
+       double  f;
 
        VM_SAFEPARMCOUNT(1,VM_normalize);
 
        value1 = PRVM_G_VECTOR(OFS_PARM0);
 
-       new = value1[0] * value1[0] + value1[1] * value1[1] + value1[2]*value1[2];
-       new = sqrt(new);
-
-       if (new == 0)
-               newvalue[0] = newvalue[1] = newvalue[2] = 0;
-       else
+       f = VectorLength2(value1);
+       if (f)
        {
-               new = 1/new;
-               newvalue[0] = value1[0] * new;
-               newvalue[1] = value1[1] * new;
-               newvalue[2] = value1[2] * new;
+               f = 1.0 / sqrt(f);
+               VectorScale(value1, f, newvalue);
        }
+       else
+               VectorClear(newvalue);
 
        VectorCopy (newvalue, PRVM_G_VECTOR(OFS_RETURN));
 }
@@ -481,17 +287,8 @@ scalar vlen(vector)
 */
 void VM_vlen (void)
 {
-       float   *value1;
-       float   new;
-
        VM_SAFEPARMCOUNT(1,VM_vlen);
-
-       value1 = PRVM_G_VECTOR(OFS_PARM0);
-
-       new = value1[0] * value1[0] + value1[1] * value1[1] + value1[2]*value1[2];
-       new = sqrt(new);
-
-       PRVM_G_FLOAT(OFS_RETURN) = new;
+       PRVM_G_FLOAT(OFS_RETURN) = VectorLength(PRVM_G_VECTOR(OFS_PARM0));
 }
 
 /*
@@ -563,7 +360,7 @@ 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;
        }
@@ -609,15 +406,15 @@ 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);
@@ -641,7 +438,7 @@ localsound(string sample)
 */
 void VM_localsound(void)
 {
-       char *s;
+       const char *s;
 
        VM_SAFEPARMCOUNT(1,VM_localsound);
 
@@ -649,8 +446,8 @@ void VM_localsound(void)
 
        if(!S_LocalSound (s))
        {
-               Con_Printf("VM_localsound: Failed to play %s for %s !\n", s, PRVM_NAME);
                PRVM_G_FLOAT(OFS_RETURN) = -4;
+               VM_Warning("VM_localsound: Failed to play %s for %s !\n", s, PRVM_NAME);
                return;
        }
 
@@ -677,15 +474,15 @@ VM_localcmd
 
 Sends text over to the client's execution buffer
 
-[localcmd (string) or]
-cmd (string)
+[localcmd (string, ...) or]
+cmd (string, ...)
 =================
 */
 void VM_localcmd (void)
 {
-       VM_SAFEPARMCOUNT(1,VM_localcmd);
-
-       Cbuf_AddText(PRVM_G_STRING(OFS_PARM0));
+       char string[VM_STRINGTEMP_LENGTH];
+       VM_VarString(0, string, sizeof(string));
+       Cbuf_AddText(string);
 }
 
 /*
@@ -704,21 +501,22 @@ 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);
 
        if(!name)
-               PRVM_ERROR("VM_str_cvar: %s: null string\n", PRVM_NAME);
+               PRVM_ERROR("VM_cvar_string: %s: null string", PRVM_NAME);
 
        VM_CheckEmptyString(name);
 
@@ -726,11 +524,41 @@ void VM_str_cvar(void)
 
        cvar_string = Cvar_VariableString(name);
 
-       strcpy(out, cvar_string);
+       strlcpy(out, cvar_string, VM_STRINGTEMP_LENGTH);
 
-       PRVM_G_INT(OFS_RETURN) = PRVM_SetString(out);
+       PRVM_G_INT(OFS_RETURN) = PRVM_SetEngineString(out);
 }
 
+
+/*
+========================
+VM_cvar_defstring
+
+const string   VM_cvar_defstring (string)
+========================
+*/
+void VM_cvar_defstring (void)
+{
+       char *out;
+       const char *name;
+       const char *cvar_string;
+       VM_SAFEPARMCOUNT(1,VM_cvar_string);
+
+       name = PRVM_G_STRING(OFS_PARM0);
+
+       if(!name)
+               PRVM_ERROR("VM_cvar_defstring: %s: null string", PRVM_NAME);
+
+       VM_CheckEmptyString(name);
+
+       out = VM_GetTempString();
+
+       cvar_string = Cvar_VariableDefString(name);
+
+       strlcpy(out, cvar_string, VM_STRINGTEMP_LENGTH);
+
+       PRVM_G_INT(OFS_RETURN) = PRVM_SetEngineString(out);
+}
 /*
 =================
 VM_cvar_set
@@ -758,7 +586,11 @@ void VM_dprint (void)
        if (developer.integer)
        {
                VM_VarString(0, string, sizeof(string));
+#if 1
+               Con_Printf("%s", string);
+#else
                Con_Printf("%s: %s", PRVM_NAME, string);
+#endif
        }
 }
 
@@ -784,7 +616,7 @@ 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);
 }
 
 /*
@@ -821,7 +653,7 @@ 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);
 }
 
 /*
@@ -840,7 +672,7 @@ 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);
 }
 
 /*
@@ -872,19 +704,19 @@ void VM_itof(void)
 
 /*
 ========================
-VM_itoe
+VM_ftoe
 
-intt ftoi(float num)
+entity ftoe(float num)
 ========================
 */
-void VM_ftoi(void)
+void VM_ftoe(void)
 {
        int ent;
-       VM_SAFEPARMCOUNT(1, VM_ftoi);
+       VM_SAFEPARMCOUNT(1, VM_ftoe);
 
-       ent = PRVM_G_FLOAT(OFS_PARM0);
-       if(PRVM_PROG_TO_EDICT(ent)->p.e->free)
-               PRVM_ERROR ("VM_ftoe: %s tried to access a freed entity (entity %i)!\n", PRVM_NAME, ent);
+       ent = (int)PRVM_G_FLOAT(OFS_PARM0);
+       if (ent < 0 || ent >= MAX_EDICTS || PRVM_PROG_TO_EDICT(ent)->priv.required->free)
+               ent = 0; // return world instead of a free or invalid entity
 
        PRVM_G_INT(OFS_RETURN) = ent;
 }
@@ -921,11 +753,22 @@ void VM_remove (void)
        VM_SAFEPARMCOUNT(1, VM_remove);
 
        ed = PRVM_G_EDICT(OFS_PARM0);
+       if( PRVM_NUM_FOR_EDICT(ed) <= prog->reserved_edicts )
+       {
+               if (developer.integer >= 1)
+                       VM_Warning( "VM_remove: tried to remove the null entity or a reserved entity!\n" );
+       }
+       else if( ed->priv.required->free )
+       {
+               if (developer.integer >= 1)
+                       VM_Warning( "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");
+//             PRVM_ERROR ("remove: tried to remove world");
 //     if (PRVM_NUM_FOR_EDICT(ed) <= sv.maxclients)
-//             Host_Error("remove: tried to remove a client\n");
-       PRVM_ED_Free (ed);
+//             Host_Error("remove: tried to remove a client");
 }
 
 /*
@@ -940,7 +783,7 @@ void VM_find (void)
 {
        int             e;
        int             f;
-       char    *s, *t;
+       const char      *s, *t;
        prvm_edict_t    *ed;
 
        VM_SAFEPARMCOUNT(3,VM_find);
@@ -949,22 +792,21 @@ void VM_find (void)
        f = PRVM_G_INT(OFS_PARM1);
        s = PRVM_G_STRING(OFS_PARM2);
 
-       if (!s || !s[0])
-       {
-               // return reserved edict 0 (could be used for whatever the prog wants)
-               VM_RETURN_EDICT(prog->edicts);
-               return;
-       }
+       // LordHavoc: apparently BloodMage does a find(world, weaponmodel, "") and
+       // expects it to find all the monsters, so we must be careful to support
+       // searching for ""
+       if (!s)
+               s = "";
 
        for (e++ ; e < prog->num_edicts ; e++)
        {
                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)
-                       continue;
+                       t = "";
                if (!strcmp(t,s))
                {
                        VM_RETURN_EDICT(ed);
@@ -1001,7 +843,7 @@ 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)
                {
@@ -1020,7 +862,6 @@ VM_findchain
 entity findchain(.string field, string match)
 =========
 */
-int PRVM_ED_FindFieldOffset(const char *field);
 // chained search for strings in entity fields
 // entity(.string field, string match) findchain = #402;
 void VM_findchain (void)
@@ -1028,36 +869,37 @@ 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);
 
        // is the same like !(prog->flag & PRVM_FE_CHAIN) - even if the operator precedence is another
        if(!prog->flag & PRVM_FE_CHAIN)
-               PRVM_ERROR("VM_findchain: %s doesnt have a chain field !\n", PRVM_NAME);
+               PRVM_ERROR("VM_findchain: %s doesnt have a chain field !", PRVM_NAME);
 
-       chain_of = PRVM_ED_FindFieldOffset ("chain");
+       chain_of = PRVM_ED_FindField("chain")->ofs;
 
        chain = prog->edicts;
 
        f = PRVM_G_INT(OFS_PARM0);
        s = PRVM_G_STRING(OFS_PARM1);
-       if (!s || !s[0])
-       {
-               VM_RETURN_EDICT(prog->edicts);
-               return;
-       }
+
+       // LordHavoc: apparently BloodMage does a find(world, weaponmodel, "") and
+       // expects it to find all the monsters, so we must be careful to support
+       // searching for ""
+       if (!s)
+               s = "";
 
        ent = PRVM_NEXT_EDICT(prog->edicts);
        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)
-                       continue;
+                       t = "";
                if (strcmp(t,s))
                        continue;
 
@@ -1089,9 +931,9 @@ void VM_findchainfloat (void)
        VM_SAFEPARMCOUNT(2, VM_findchainfloat);
 
        if(!prog->flag & PRVM_FE_CHAIN)
-               PRVM_ERROR("VM_findchainfloat: %s doesnt have a chain field !\n", PRVM_NAME);
+               PRVM_ERROR("VM_findchainfloat: %s doesnt have a chain field !", PRVM_NAME);
 
-       chain_of = PRVM_ED_FindFieldOffset ("chain");
+       chain_of = PRVM_ED_FindField("chain")->ofs;
 
        chain = (prvm_edict_t *)prog->edicts;
 
@@ -1102,7 +944,7 @@ 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;
@@ -1115,51 +957,89 @@ void VM_findchainfloat (void)
 }
 
 /*
-=========
-VM_precache_file
+========================
+VM_findflags
 
-string precache_file(string)
-=========
+entity findflags(entity start, .float field, float match)
+========================
 */
-void VM_precache_file (void)
-{      // precache_file is only used to copy files with qcc, it does nothing
-       VM_SAFEPARMCOUNT(1,VM_precache_file);
+// LordHavoc: search for flags in float fields
+void VM_findflags (void)
+{
+       int             e;
+       int             f;
+       int             s;
+       prvm_edict_t    *ed;
 
-       PRVM_G_INT(OFS_RETURN) = PRVM_G_INT(OFS_PARM0);
-}
+       VM_SAFEPARMCOUNT(3, VM_findflags);
 
-/*
-=========
-VM_preache_error
 
-used instead of the other VM_precache_* functions in the builtin list
-=========
-*/
+       e = PRVM_G_EDICTNUM(OFS_PARM0);
+       f = PRVM_G_INT(OFS_PARM1);
+       s = (int)PRVM_G_FLOAT(OFS_PARM2);
 
-void VM_precache_error (void)
-{
-       PRVM_ERROR ("PF_Precache_*: Precache can only be done in spawn functions");
+       for (e++ ; e < prog->num_edicts ; e++)
+       {
+               prog->xfunction->builtinsprofile++;
+               ed = PRVM_EDICT_NUM(e);
+               if (ed->priv.required->free)
+                       continue;
+               if (!PRVM_E_FLOAT(ed,f))
+                       continue;
+               if ((int)PRVM_E_FLOAT(ed,f) & s)
+               {
+                       VM_RETURN_EDICT(ed);
+                       return;
+               }
+       }
+
+       VM_RETURN_EDICT(prog->edicts);
 }
 
 /*
-=========
-VM_precache_sound
+========================
+VM_findchainflags
 
-string precache_sound (string sample)
-=========
+entity findchainflags(.float field, float match)
+========================
 */
-void VM_precache_sound (void)
+// LordHavoc: chained search for flags in float fields
+void VM_findchainflags (void)
 {
-       char    *s;
+       int             i;
+       int             f;
+       int             s;
+       int             chain_of;
+       prvm_edict_t    *ent, *chain;
 
-       VM_SAFEPARMCOUNT(1, VM_precache_sound);
+       VM_SAFEPARMCOUNT(2, VM_findchainflags);
 
-       s = PRVM_G_STRING(OFS_PARM0);
-       PRVM_G_INT(OFS_RETURN) = PRVM_G_INT(OFS_PARM0);
-       VM_CheckEmptyString (s);
+       if(!prog->flag & PRVM_FE_CHAIN)
+               PRVM_ERROR("VM_findchainflags: %s doesnt have a chain field !", PRVM_NAME);
+
+       chain_of = PRVM_ED_FindField("chain")->ofs;
+
+       chain = (prvm_edict_t *)prog->edicts;
+
+       f = PRVM_G_INT(OFS_PARM0);
+       s = (int)PRVM_G_FLOAT(OFS_PARM1);
+
+       ent = PRVM_NEXT_EDICT(prog->edicts);
+       for (i = 1;i < prog->num_edicts;i++, ent = PRVM_NEXT_EDICT(ent))
+       {
+               prog->xfunction->builtinsprofile++;
+               if (ent->priv.required->free)
+                       continue;
+               if (!PRVM_E_FLOAT(ent,f))
+                       continue;
+               if (!((int)PRVM_E_FLOAT(ent,f) & s))
+                       continue;
+
+               PRVM_E_INT(ent,chain_of) = PRVM_EDICT_TO_PROG(chain);
+               chain = ent;
+       }
 
-       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_RETURN_EDICT(chain);
 }
 
 /*
@@ -1205,7 +1085,7 @@ void VM_crash(void)
 {
        VM_SAFEPARMCOUNT(0, VM_crash);
 
-       PRVM_ERROR("Crash called by %s\n",PRVM_NAME);
+       PRVM_ERROR("Crash called by %s",PRVM_NAME);
 }
 
 /*
@@ -1259,15 +1139,14 @@ float   rint(float)
 */
 void VM_rint (void)
 {
-       float   f;
-
+       float f;
        VM_SAFEPARMCOUNT(1,VM_rint);
 
        f = PRVM_G_FLOAT(OFS_PARM0);
        if (f > 0)
-               PRVM_G_FLOAT(OFS_RETURN) = (int)(f + 0.5);
+               PRVM_G_FLOAT(OFS_RETURN) = floor(f + 0.5);
        else
-               PRVM_G_FLOAT(OFS_RETURN) = (int)(f - 0.5);
+               PRVM_G_FLOAT(OFS_RETURN) = ceil(f - 0.5);
 }
 
 /*
@@ -1322,7 +1201,7 @@ 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;
@@ -1330,98 +1209,6 @@ 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));
-}
-
 //=============================================================================
 
 /*
@@ -1434,13 +1221,13 @@ 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);
+               VM_Warning("VM_changelevel: game is not server (%s)\n", PRVM_NAME);
                return;
        }
 
@@ -1449,7 +1236,7 @@ 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));
 }
 
@@ -1492,18 +1279,79 @@ void VM_sqrt (void)
 }
 
 /*
-=================
-VM_randomvec
+=========
+VM_asin
 
-Returns a vector of length < 1 and > 0
+float  asin(float)
+=========
+*/
+void VM_asin (void)
+{
+       VM_SAFEPARMCOUNT(1,VM_asin);
+       PRVM_G_FLOAT(OFS_RETURN) = asin(PRVM_G_FLOAT(OFS_PARM0));
+}
 
-vector randomvec()
-=================
+/*
+=========
+VM_acos
+float  acos(float)
+=========
 */
-void VM_randomvec (void)
+void VM_acos (void)
 {
-       vec3_t          temp;
-       //float         length;
+       VM_SAFEPARMCOUNT(1,VM_acos);
+       PRVM_G_FLOAT(OFS_RETURN) = acos(PRVM_G_FLOAT(OFS_PARM0));
+}
+
+/*
+=========
+VM_atan
+float  atan(float)
+=========
+*/
+void VM_atan (void)
+{
+       VM_SAFEPARMCOUNT(1,VM_atan);
+       PRVM_G_FLOAT(OFS_RETURN) = atan(PRVM_G_FLOAT(OFS_PARM0));
+}
+
+/*
+=========
+VM_atan2
+float  atan2(float,float)
+=========
+*/
+void VM_atan2 (void)
+{
+       VM_SAFEPARMCOUNT(2,VM_atan2);
+       PRVM_G_FLOAT(OFS_RETURN) = atan2(PRVM_G_FLOAT(OFS_PARM0), PRVM_G_FLOAT(OFS_PARM1));
+}
+
+/*
+=========
+VM_tan
+float  tan(float)
+=========
+*/
+void VM_tan (void)
+{
+       VM_SAFEPARMCOUNT(1,VM_tan);
+       PRVM_G_FLOAT(OFS_RETURN) = tan(PRVM_G_FLOAT(OFS_PARM0));
+}
+
+/*
+=================
+VM_randomvec
+
+Returns a vector of length < 1 and > 0
+
+vector randomvec()
+=================
+*/
+void VM_randomvec (void)
+{
+       vec3_t          temp;
+       //float         length;
 
        VM_SAFEPARMCOUNT(0, VM_randomvec);
 
@@ -1538,14 +1386,14 @@ 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);
 
        name = PRVM_G_STRING(OFS_PARM0);
        value = PRVM_G_STRING(OFS_PARM1);
-       flags = PRVM_G_FLOAT(OFS_PARM2);
+       flags = (int)PRVM_G_FLOAT(OFS_PARM2);
        PRVM_G_FLOAT(OFS_RETURN) = 0;
 
        if(flags > CVAR_MAXFLAGSVAL)
@@ -1558,7 +1406,7 @@ void VM_registercvar (void)
 // check for overlap with a command
        if (Cmd_Exists (name))
        {
-               Con_Printf("VM_registercvar: %s is a command\n", name);
+               VM_Warning("VM_registercvar: %s is a command\n", name);
                return;
        }
 
@@ -1591,7 +1439,7 @@ void VM_min (void)
                PRVM_G_FLOAT(OFS_RETURN) = f;
        }
        else
-               PRVM_ERROR("VM_min: %s must supply at least 2 floats\n", PRVM_NAME);
+               PRVM_ERROR("VM_min: %s must supply at least 2 floats", PRVM_NAME);
 }
 
 /*
@@ -1618,7 +1466,7 @@ void VM_max (void)
                PRVM_G_FLOAT(OFS_RETURN) = f;
        }
        else
-               PRVM_ERROR("VM_max: %s must supply at least 2 floats\n", PRVM_NAME);
+               PRVM_ERROR("VM_max: %s must supply at least 2 floats", PRVM_NAME);
 }
 
 /*
@@ -1666,7 +1514,7 @@ 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);
 }
 
 /*
@@ -1682,10 +1530,10 @@ 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)
        {
@@ -1694,11 +1542,11 @@ 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);
@@ -1707,19 +1555,35 @@ setcolor(clientent, value)
 
 void VM_Files_Init(void)
 {
-       memset(VM_FILES, 0, sizeof(qfile_t*[MAX_VMFILES]));
+       int i;
+       for (i = 0;i < PRVM_MAX_OPENFILES;i++)
+               prog->openfiles[i] = NULL;
 }
 
 void VM_Files_CloseAll(void)
 {
        int i;
-       for (i = 0;i < MAX_VMFILES;i++)
+       for (i = 0;i < PRVM_MAX_OPENFILES;i++)
+       {
+               if (prog->openfiles[i])
+                       FS_Close(prog->openfiles[i]);
+               prog->openfiles[i] = NULL;
+       }
+}
+
+qfile_t *VM_GetFileHandle( int index )
+{
+       if (index < 0 || index >= PRVM_MAX_OPENFILES)
+       {
+               Con_Printf("VM_GetFileHandle: invalid file handle %i used in %s\n", index, PRVM_NAME);
+               return NULL;
+       }
+       if (prog->openfiles[index] == NULL)
        {
-               if (VM_FILES[i])
-                       FS_Close(VM_FILES[i]);
-               //VM_FILES[i] = NULL;
+               Con_Printf("VM_GetFileHandle: no such file handle %i (or file has been closed) in %s\n", index, PRVM_NAME);
+               return NULL;
        }
-       memset(VM_FILES,0,sizeof(qfile_t*[MAX_VMFILES])); // this should be faster (is it ?)
+       return prog->openfiles[index];
 }
 
 /*
@@ -1735,20 +1599,20 @@ 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);
 
-       for (filenum = 0;filenum < MAX_VMFILES;filenum++)
-               if (VM_FILES[filenum] == NULL)
+       for (filenum = 0;filenum < PRVM_MAX_OPENFILES;filenum++)
+               if (prog->openfiles[filenum] == NULL)
                        break;
-       if (filenum >= MAX_VMFILES)
+       if (filenum >= PRVM_MAX_OPENFILES)
        {
-               Con_Printf("VM_fopen: %s ran out of file handles (%i)\n", PRVM_NAME, MAX_VMFILES);
                PRVM_G_FLOAT(OFS_RETURN) = -2;
+               VM_Warning("VM_fopen: %s ran out of file handles (%i)\n", PRVM_NAME, PRVM_MAX_OPENFILES);
                return;
        }
-       mode = PRVM_G_FLOAT(OFS_PARM1);
+       mode = (int)PRVM_G_FLOAT(OFS_PARM1);
        switch(mode)
        {
        case 0: // FILE_READ
@@ -1761,29 +1625,28 @@ void VM_fopen(void)
                modestring = "wb";
                break;
        default:
-               Con_Printf("VM_fopen: %s no such mode %i (valid: 0 = read, 1 = append, 2 = write)\n", PRVM_NAME, mode);
                PRVM_G_FLOAT(OFS_RETURN) = -3;
+               VM_Warning("VM_fopen: %s: no such mode %i (valid: 0 = read, 1 = append, 2 = write)\n", PRVM_NAME, mode);
                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, false);
-       if (VM_FILES[filenum] == NULL && mode == 0)
-               VM_FILES[filenum] = FS_Open(va("%s", filename), modestring, false, false);
 
-       if (VM_FILES[filenum] == NULL)
+       prog->openfiles[filenum] = FS_Open(va("data/%s", filename), modestring, false, false);
+       if (prog->openfiles[filenum] == NULL && mode == 0)
+               prog->openfiles[filenum] = FS_Open(va("%s", filename), modestring, false, false);
+
+       if (prog->openfiles[filenum] == NULL)
+       {
                PRVM_G_FLOAT(OFS_RETURN) = -1;
+               if (developer.integer >= 100)
+                       VM_Warning("VM_fopen: %s: %s mode %s failed\n", PRVM_NAME, filename, modestring);
+       }
        else
+       {
                PRVM_G_FLOAT(OFS_RETURN) = filenum;
+               if (developer.integer >= 100)
+                       Con_Printf("VM_fopen: %s: %s mode %s opened as #%i\n", PRVM_NAME, filename, modestring, filenum);
+       }
 }
 
 /*
@@ -1800,19 +1663,21 @@ void VM_fclose(void)
 
        VM_SAFEPARMCOUNT(1,VM_fclose);
 
-       filenum = PRVM_G_FLOAT(OFS_PARM0);
-       if (filenum < 0 || filenum >= MAX_VMFILES)
+       filenum = (int)PRVM_G_FLOAT(OFS_PARM0);
+       if (filenum < 0 || filenum >= PRVM_MAX_OPENFILES)
        {
-               Con_Printf("VM_fclose: invalid file handle %i used in %s\n", filenum, PRVM_NAME);
+               VM_Warning("VM_fclose: invalid file handle %i used in %s\n", filenum, PRVM_NAME);
                return;
        }
-       if (VM_FILES[filenum] == NULL)
+       if (prog->openfiles[filenum] == NULL)
        {
-               Con_Printf("VM_fclose: no such file handle %i (or file has been closed) in %s\n", filenum, PRVM_NAME);
+               VM_Warning("VM_fclose: no such file handle %i (or file has been closed) in %s\n", filenum, PRVM_NAME);
                return;
        }
-       FS_Close(VM_FILES[filenum]);
-       VM_FILES[filenum] = NULL;
+       FS_Close(prog->openfiles[filenum]);
+       prog->openfiles[filenum] = NULL;
+       if (developer.integer >= 100)
+               Con_Printf("VM_fclose: %s: #%i closed\n", PRVM_NAME, filenum);
 }
 
 /*
@@ -1831,21 +1696,21 @@ void VM_fgets(void)
 
        VM_SAFEPARMCOUNT(1,VM_fgets);
 
-       filenum = PRVM_G_FLOAT(OFS_PARM0);
-       if (filenum < 0 || filenum >= MAX_VMFILES)
+       filenum = (int)PRVM_G_FLOAT(OFS_PARM0);
+       if (filenum < 0 || filenum >= PRVM_MAX_OPENFILES)
        {
-               Con_Printf("VM_fgets: invalid file handle %i used in %s\n", filenum, PRVM_NAME);
+               VM_Warning("VM_fgets: invalid file handle %i used in %s\n", filenum, PRVM_NAME);
                return;
        }
-       if (VM_FILES[filenum] == NULL)
+       if (prog->openfiles[filenum] == NULL)
        {
-               Con_Printf("VM_fgets: no such file handle %i (or file has been closed) in %s\n", filenum, PRVM_NAME);
+               VM_Warning("VM_fgets: no such file handle %i (or file has been closed) in %s\n", filenum, PRVM_NAME);
                return;
        }
        end = 0;
        for (;;)
        {
-               c = FS_Getc(VM_FILES[filenum]);
+               c = FS_Getc(prog->openfiles[filenum]);
                if (c == '\r' || c == '\n' || c < 0)
                        break;
                if (end < VM_STRINGTEMP_LENGTH - 1)
@@ -1855,14 +1720,14 @@ void VM_fgets(void)
        // remove \n following \r
        if (c == '\r')
        {
-               c = FS_Getc(VM_FILES[filenum]);
+               c = FS_Getc(prog->openfiles[filenum]);
                if (c != '\n')
-                       FS_UnGetc(VM_FILES[filenum], (unsigned char)c);
+                       FS_UnGetc(prog->openfiles[filenum], (unsigned char)c);
        }
-       if (developer.integer >= 3)
+       if (developer.integer >= 100)
                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;
 }
@@ -1883,21 +1748,21 @@ void VM_fputs(void)
 
        VM_SAFEPARMCOUNT(2,VM_fputs);
 
-       filenum = PRVM_G_FLOAT(OFS_PARM0);
-       if (filenum < 0 || filenum >= MAX_VMFILES)
+       filenum = (int)PRVM_G_FLOAT(OFS_PARM0);
+       if (filenum < 0 || filenum >= PRVM_MAX_OPENFILES)
        {
-               Con_Printf("VM_fputs: invalid file handle %i used in %s\n", filenum, PRVM_NAME);
+               VM_Warning("VM_fputs: invalid file handle %i used in %s\n", filenum, PRVM_NAME);
                return;
        }
-       if (VM_FILES[filenum] == NULL)
+       if (prog->openfiles[filenum] == NULL)
        {
-               Con_Printf("VM_fputs: no such file handle %i (or file has been closed) in %s\n", filenum, PRVM_NAME);
+               VM_Warning("VM_fputs: no such file handle %i (or file has been closed) in %s\n", filenum, PRVM_NAME);
                return;
        }
        VM_VarString(1, string, sizeof(string));
-       if ((stringlength = strlen(string)))
-               FS_Write(VM_FILES[filenum], string, stringlength);
-       if (developer.integer)
+       if ((stringlength = (int)strlen(string)))
+               FS_Write(prog->openfiles[filenum], string, stringlength);
+       if (developer.integer >= 100)
                Con_Printf("fputs: %s: %s\n", PRVM_NAME, string);
 }
 
@@ -1911,7 +1776,7 @@ 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);
 
@@ -1937,11 +1802,11 @@ void VM_strcat(void)
        char *s;
 
        if(prog->argc < 1)
-               PRVM_ERROR("VM_strcat wrong parameter count (min. 1 expected ) !\n");
+               PRVM_ERROR("VM_strcat wrong parameter count (min. 1 expected ) !");
 
        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);
 }
 
 /*
@@ -1956,21 +1821,22 @@ 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);
 
        string = VM_GetTempString();
        s = PRVM_G_STRING(OFS_PARM0);
-       start = PRVM_G_FLOAT(OFS_PARM1);
-       length = PRVM_G_FLOAT(OFS_PARM2);
+       start = (int)PRVM_G_FLOAT(OFS_PARM1);
+       length = (int)PRVM_G_FLOAT(OFS_PARM2);
        if (!s)
                s = "";
        for (i = 0;i < start && *s;i++, s++);
        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);
 }
 
 /*
@@ -1998,17 +1864,19 @@ VM_strzone
 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)
+//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;
+       char *out;
+       char string[VM_STRINGTEMP_LENGTH];
+       size_t alloclen;
 
        VM_SAFEPARMCOUNT(1,VM_strzone);
 
-       in = PRVM_G_STRING(OFS_PARM0);
-       out = Mem_Alloc(VM_STRINGS_MEMPOOL, strlen(in) + 1);
-       strcpy(out, in);
-       PRVM_G_INT(OFS_RETURN) = PRVM_SetString(out);
+       VM_VarString(0, string, sizeof(string));
+       alloclen = strlen(string) + 1;
+       PRVM_G_INT(OFS_RETURN) = PRVM_AllocString(alloclen, &out);
+       memcpy(out, string, alloclen);
 }
 
 /*
@@ -2021,16 +1889,8 @@ 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( !str )
-               PRVM_ERROR( "VM_strunzone: s%: Null string passed!", PRVM_NAME );
-       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));
 }
 
 /*
@@ -2049,10 +1909,10 @@ void VM_clcommand (void)
 
        VM_SAFEPARMCOUNT(2,VM_clcommand);
 
-       i = PRVM_G_FLOAT(OFS_PARM0);
+       i = (int)PRVM_G_FLOAT(OFS_PARM0);
        if (!sv.active  || i < 0 || i >= svs.maxclients || !svs.clients[i].active)
        {
-               Con_Printf("VM_clientcommand: %s: invalid client/server is not active !\n", PRVM_NAME);
+               VM_Warning("VM_clientcommand: %s: invalid client/server is not active !\n", PRVM_NAME);
                return;
        }
 
@@ -2070,105 +1930,95 @@ 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[MAX_INPUTLINE];
 void VM_tokenize (void)
 {
+       size_t 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);
+               size_t tokenlen;
+               if (num_tokens >= (int)(sizeof(tokens)/sizeof(tokens[0])))
+                       break;
+               tokenlen = strlen(com_token) + 1;
+               if (pos + tokenlen > sizeof(tokenbuf))
+                       break;
+               tokens[num_tokens++] = tokenbuf + pos;
+               memcpy(tokenbuf + pos, com_token, tokenlen);
+               pos += tokenlen;
        }
 
        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;
 
        VM_SAFEPARMCOUNT(1,VM_argv);
 
-       token_num = PRVM_G_FLOAT(OFS_PARM0);
+       token_num = (int)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));
        }
 }*/
 
@@ -2231,9 +2081,9 @@ void VM_getostype(void)
        OS_MAC - not supported
        */
 
-#ifdef _WIN32
+#ifdef WIN32
        PRVM_G_FLOAT(OFS_RETURN) = 0;
-#elif defined _MAC
+#elif defined(MACOSX)
        PRVM_G_FLOAT(OFS_RETURN) = 2;
 #else
        PRVM_G_FLOAT(OFS_RETURN) = 1;
@@ -2252,8 +2102,8 @@ 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;
 }
 
@@ -2287,12 +2137,12 @@ 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;
@@ -2301,14 +2151,14 @@ void VM_M_parseentitydata(void)
 
     // get edict and test it
        ent = PRVM_G_EDICT(OFS_PARM0);
-       if (ent->p.e->free)
-               PRVM_ERROR ("VM_parseentitydata: %s: Can only set already spawned entities (entity %i is free)!\n", PRVM_NAME, PRVM_NUM_FOR_EDICT(ent));
+       if (ent->priv.required->free)
+               PRVM_ERROR ("VM_parseentitydata: %s: Can only set already spawned entities (entity %i is free)!", PRVM_NAME, PRVM_NUM_FOR_EDICT(ent));
 
        data = PRVM_G_STRING(OFS_PARM1);
 
     // parse the opening brace
-       if (!COM_ParseToken(&data, false) || com_token[0] != '{' )
-               PRVM_ERROR ("VM_parseentitydata: %s: Couldn't parse entity data:\n%s\n", PRVM_NAME, data );
+       if (!COM_ParseTokenConsole(&data) || com_token[0] != '{' )
+               PRVM_ERROR ("VM_parseentitydata: %s: Couldn't parse entity data:\n%s", PRVM_NAME, data );
 
        PRVM_ED_ParseEdict (data, ent);
 }
@@ -2322,8 +2172,8 @@ loadfromfile(string file)
 */
 void VM_loadfromfile(void)
 {
-       char *filename;
-       qbyte *data;
+       const char *filename;
+       char *data;
 
        VM_SAFEPARMCOUNT(1,VM_loadfromfile);
 
@@ -2334,13 +2184,13 @@ void VM_loadfromfile(void)
        // \ 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_loadfromfile: %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;
+               VM_Warning("VM_loadfromfile: %s dangerous or non-portable filename \"%s\" not allowed. (contains : or \\ or begins with .. or /)\n", PRVM_NAME, filename);
                return;
        }
 
        // not conform with VM_fopen
-       data = FS_LoadFile(filename, tempmempool, false);
+       data = (char *)FS_LoadFile(filename, tempmempool, false, NULL);
        if (data == NULL)
                PRVM_G_FLOAT(OFS_RETURN) = -1;
 
@@ -2371,17 +2221,21 @@ void VM_modulo(void)
 
 void VM_Search_Init(void)
 {
-       memset(VM_SEARCHLIST,0,sizeof(fssearch_t*[MAX_VMSEARCHES]));
+       int i;
+       for (i = 0;i < PRVM_MAX_OPENSEARCHES;i++)
+               prog->opensearches[i] = NULL;
 }
 
 void VM_Search_Reset(void)
 {
        int i;
        // reset the fssearch list
-       for(i = 0; i < MAX_VMSEARCHES; i++)
-               if(VM_SEARCHLIST[i])
-                       FS_FreeSearch(VM_SEARCHLIST[i]);
-       memset(VM_SEARCHLIST,0,sizeof(fssearch_t*[MAX_VMSEARCHES]));
+       for(i = 0; i < PRVM_MAX_OPENSEARCHES; i++)
+       {
+               if(prog->opensearches[i])
+                       FS_FreeSearch(prog->opensearches[i]);
+               prog->opensearches[i] = NULL;
+       }
 }
 
 /*
@@ -2394,7 +2248,7 @@ 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);
@@ -2403,21 +2257,21 @@ void VM_search_begin(void)
 
        VM_CheckEmptyString(pattern);
 
-       caseinsens = PRVM_G_FLOAT(OFS_PARM1);
-       quiet = PRVM_G_FLOAT(OFS_PARM2);
+       caseinsens = (int)PRVM_G_FLOAT(OFS_PARM1);
+       quiet = (int)PRVM_G_FLOAT(OFS_PARM2);
 
-       for(handle = 0; handle < MAX_VMSEARCHES; handle++)
-               if(!VM_SEARCHLIST[handle])
+       for(handle = 0; handle < PRVM_MAX_OPENSEARCHES; handle++)
+               if(!prog->opensearches[handle])
                        break;
 
-       if(handle >= MAX_VMSEARCHES)
+       if(handle >= PRVM_MAX_OPENSEARCHES)
        {
-               Con_Printf("VM_search_begin: %s ran out of search handles (%i)\n", PRVM_NAME, MAX_VMSEARCHES);
                PRVM_G_FLOAT(OFS_RETURN) = -2;
+               VM_Warning("VM_search_begin: %s ran out of search handles (%i)\n", PRVM_NAME, PRVM_MAX_OPENSEARCHES);
                return;
        }
 
-       if(!(VM_SEARCHLIST[handle] = FS_Search(pattern,caseinsens, quiet)))
+       if(!(prog->opensearches[handle] = FS_Search(pattern,caseinsens, quiet)))
                PRVM_G_FLOAT(OFS_RETURN) = -1;
        else
                PRVM_G_FLOAT(OFS_RETURN) = handle;
@@ -2435,21 +2289,21 @@ void VM_search_end(void)
        int handle;
        VM_SAFEPARMCOUNT(1, VM_search_end);
 
-       handle = PRVM_G_FLOAT(OFS_PARM0);
+       handle = (int)PRVM_G_FLOAT(OFS_PARM0);
 
-       if(handle < 0 || handle >= MAX_VMSEARCHES)
+       if(handle < 0 || handle >= PRVM_MAX_OPENSEARCHES)
        {
-               Con_Printf("VM_search_end: invalid handle %i used in %s\n", handle, PRVM_NAME);
+               VM_Warning("VM_search_end: invalid handle %i used in %s\n", handle, PRVM_NAME);
                return;
        }
-       if(VM_SEARCHLIST[handle] == NULL)
+       if(prog->opensearches[handle] == NULL)
        {
-               Con_Printf("VM_search_end: no such handle %i in %s\n", handle, PRVM_NAME);
+               VM_Warning("VM_search_end: no such handle %i in %s\n", handle, PRVM_NAME);
                return;
        }
 
-       FS_FreeSearch(VM_SEARCHLIST[handle]);
-       VM_SEARCHLIST[handle] = NULL;
+       FS_FreeSearch(prog->opensearches[handle]);
+       prog->opensearches[handle] = NULL;
 }
 
 /*
@@ -2464,20 +2318,20 @@ void VM_search_getsize(void)
        int handle;
        VM_SAFEPARMCOUNT(1, VM_M_search_getsize);
 
-       handle = PRVM_G_FLOAT(OFS_PARM0);
+       handle = (int)PRVM_G_FLOAT(OFS_PARM0);
 
-       if(handle < 0 || handle >= MAX_VMSEARCHES)
+       if(handle < 0 || handle >= PRVM_MAX_OPENSEARCHES)
        {
-               Con_Printf("VM_search_getsize: invalid handle %i used in %s\n", handle, PRVM_NAME);
+               VM_Warning("VM_search_getsize: invalid handle %i used in %s\n", handle, PRVM_NAME);
                return;
        }
-       if(VM_SEARCHLIST[handle] == NULL)
+       if(prog->opensearches[handle] == NULL)
        {
-               Con_Printf("VM_search_getsize: no such handle %i in %s\n", handle, PRVM_NAME);
+               VM_Warning("VM_search_getsize: no such handle %i in %s\n", handle, PRVM_NAME);
                return;
        }
 
-       PRVM_G_FLOAT(OFS_RETURN) = VM_SEARCHLIST[handle]->numfilenames;
+       PRVM_G_FLOAT(OFS_RETURN) = prog->opensearches[handle]->numfilenames;
 }
 
 /*
@@ -2493,29 +2347,29 @@ void VM_search_getfilename(void)
        char *tmp;
        VM_SAFEPARMCOUNT(2, VM_search_getfilename);
 
-       handle = PRVM_G_FLOAT(OFS_PARM0);
-       filenum = PRVM_G_FLOAT(OFS_PARM1);
+       handle = (int)PRVM_G_FLOAT(OFS_PARM0);
+       filenum = (int)PRVM_G_FLOAT(OFS_PARM1);
 
-       if(handle < 0 || handle >= MAX_VMSEARCHES)
+       if(handle < 0 || handle >= PRVM_MAX_OPENSEARCHES)
        {
-               Con_Printf("VM_search_getfilename: invalid handle %i used in %s\n", handle, PRVM_NAME);
+               VM_Warning("VM_search_getfilename: invalid handle %i used in %s\n", handle, PRVM_NAME);
                return;
        }
-       if(VM_SEARCHLIST[handle] == NULL)
+       if(prog->opensearches[handle] == NULL)
        {
-               Con_Printf("VM_search_getfilename: no such handle %i in %s\n", handle, PRVM_NAME);
+               VM_Warning("VM_search_getfilename: no such handle %i in %s\n", handle, PRVM_NAME);
                return;
        }
-       if(filenum < 0 || filenum >= VM_SEARCHLIST[handle]->numfilenames)
+       if(filenum < 0 || filenum >= prog->opensearches[handle]->numfilenames)
        {
-               Con_Printf("VM_search_getfilename: invalid filenum %i in %s\n", filenum, PRVM_NAME);
+               VM_Warning("VM_search_getfilename: invalid filenum %i in %s\n", filenum, PRVM_NAME);
                return;
        }
 
        tmp = VM_GetTempString();
-       strcpy(tmp, VM_SEARCHLIST[handle]->filenames[filenum]);
+       strlcpy(tmp, prog->opensearches[handle]->filenames[filenum], VM_STRINGTEMP_LENGTH);
 
-       PRVM_G_INT(OFS_RETURN) = PRVM_SetString(tmp);
+       PRVM_G_INT(OFS_RETURN) = PRVM_SetEngineString(tmp);
 }
 
 /*
@@ -2534,7 +2388,7 @@ 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);
 }
 
 //=============================================================================
@@ -2564,7 +2418,7 @@ string    precache_pic(string pic)
 */
 void VM_precache_pic(void)
 {
-       char    *s;
+       const char      *s;
 
        VM_SAFEPARMCOUNT(1, VM_precache_pic);
 
@@ -2572,12 +2426,13 @@ void VM_precache_pic(void)
        PRVM_G_INT(OFS_RETURN) = PRVM_G_INT(OFS_PARM0);
 
        if(!s)
-               PRVM_ERROR ("VM_precache_pic: %s: NULL\n", PRVM_NAME);
+               PRVM_ERROR ("VM_precache_pic: %s: NULL", 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);
 }
 
 /*
@@ -2589,14 +2444,14 @@ 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");
+               PRVM_ERROR ("VM_freepic: %s: NULL");
 
        VM_CheckEmptyString (s);
 
@@ -2620,8 +2475,8 @@ void VM_drawcharacter(void)
        character = (char) PRVM_G_FLOAT(OFS_PARM1);
        if(character == 0)
        {
-               Con_Printf("VM_drawcharacter: %s passed null character !\n",PRVM_NAME);
                PRVM_G_FLOAT(OFS_RETURN) = -1;
+               VM_Warning("VM_drawcharacter: %s passed null character !\n",PRVM_NAME);
                return;
        }
 
@@ -2632,8 +2487,8 @@ void VM_drawcharacter(void)
 
        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;
+               VM_Warning("VM_drawcharacter: %s: wrong DRAWFLAG %i !\n",PRVM_NAME,flag);
                return;
        }
 
@@ -2642,8 +2497,8 @@ void VM_drawcharacter(void)
 
        if(!scale[0] || !scale[1])
        {
-               Con_Printf("VM_drawcharacter: scale %s is null !\n", (scale[0] == 0) ? ((scale[1] == 0) ? "x and y" : "x") : "y");
                PRVM_G_FLOAT(OFS_RETURN) = -3;
+               VM_Warning("VM_drawcharacter: scale %s is null !\n", (scale[0] == 0) ? ((scale[1] == 0) ? "x and y" : "x") : "y");
                return;
        }
 
@@ -2661,15 +2516,15 @@ 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)
        {
-               Con_Printf("VM_drawstring: %s passed null string !\n",PRVM_NAME);
                PRVM_G_FLOAT(OFS_RETURN) = -1;
+               VM_Warning("VM_drawstring: %s passed null string !\n",PRVM_NAME);
                return;
        }
 
@@ -2682,15 +2537,15 @@ void VM_drawstring(void)
 
        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;
+               VM_Warning("VM_drawstring: %s: wrong DRAWFLAG %i !\n",PRVM_NAME,flag);
                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");
                PRVM_G_FLOAT(OFS_RETURN) = -3;
+               VM_Warning("VM_drawstring: scale %s is null !\n", (scale[0] == 0) ? ((scale[1] == 0) ? "x and y" : "x") : "y");
                return;
        }
 
@@ -2709,28 +2564,28 @@ float   drawpic(vector position, string pic, vector size, vector rgb, float alpha,
 */
 void VM_drawpic(void)
 {
-       char *pic;
+       const char *picname;
        float *size, *pos, *rgb;
        int flag;
 
        VM_SAFEPARMCOUNT(6,VM_drawpic);
 
-       pic = PRVM_G_STRING(OFS_PARM1);
+       picname = PRVM_G_STRING(OFS_PARM1);
 
-       if(!pic)
+       if(!picname)
        {
-               Con_Printf("VM_drawpic: %s passed null picture name !\n", PRVM_NAME);
                PRVM_G_FLOAT(OFS_RETURN) = -1;
+               VM_Warning("VM_drawpic: %s passed null picture name !\n", PRVM_NAME);
                return;
        }
 
-       VM_CheckEmptyString (pic);
+       VM_CheckEmptyString (picname);
 
        // is pic cached ? no function yet for that
        if(!1)
        {
-               Con_Printf("VM_drawpic: %s: %s not cached !\n", PRVM_NAME, pic);
                PRVM_G_FLOAT(OFS_RETURN) = -4;
+               VM_Warning("VM_drawpic: %s: %s not cached !\n", PRVM_NAME, picname);
                return;
        }
 
@@ -2741,15 +2596,15 @@ void VM_drawpic(void)
 
        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;
+               VM_Warning("VM_drawstring: %s: wrong DRAWFLAG %i !\n",PRVM_NAME,flag);
                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")));
 
-       DrawQ_Pic(pos[0], pos[1], pic, size[0], size[1], rgb[0], rgb[1], rgb[2], PRVM_G_FLOAT(OFS_PARM4), flag);
+       DrawQ_Pic(pos[0], pos[1], Draw_CachePic(picname, true), size[0], size[1], rgb[0], rgb[1], rgb[2], PRVM_G_FLOAT(OFS_PARM4), flag);
        PRVM_G_FLOAT(OFS_RETURN) = 1;
 }
 
@@ -2775,15 +2630,15 @@ void VM_drawfill(void)
 
        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;
+               VM_Warning("VM_drawstring: %s: wrong DRAWFLAG %i !\n",PRVM_NAME,flag);
                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")));
 
-       DrawQ_Pic(pos[0], pos[1], 0, size[0], size[1], rgb[0], rgb[1], rgb[2], PRVM_G_FLOAT(OFS_PARM3), flag);
+       DrawQ_Pic(pos[0], pos[1], NULL, size[0], size[1], rgb[0], rgb[1], rgb[2], PRVM_G_FLOAT(OFS_PARM3), flag);
        PRVM_G_FLOAT(OFS_RETURN) = 1;
 }
 
@@ -2799,10 +2654,10 @@ 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);
 }
@@ -2830,7 +2685,7 @@ vector    getimagesize(string pic)
 */
 void VM_getimagesize(void)
 {
-       char *p;
+       const char *p;
        cachepic_t *pic;
 
        VM_SAFEPARMCOUNT(1,VM_getimagesize);
@@ -2838,17 +2693,56 @@ void VM_getimagesize(void)
        p = PRVM_G_STRING(OFS_PARM0);
 
        if(!p)
-               PRVM_ERROR("VM_getimagepos: %s passed null picture name !\n", PRVM_NAME);
+               PRVM_ERROR("VM_getimagepos: %s passed null picture name !", 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;
        PRVM_G_VECTOR(OFS_RETURN)[2] = 0;
 }
 
+/*
+=========
+VM_keynumtostring
+
+string keynumtostring(float keynum)
+=========
+*/
+void VM_keynumtostring (void)
+{
+       int keynum;
+       char *tmp;
+       VM_SAFEPARMCOUNT(1, VM_keynumtostring);
+
+       keynum = (int)PRVM_G_FLOAT(OFS_PARM0);
+
+       tmp = VM_GetTempString();
+
+       strlcpy(tmp, Key_KeynumToString(keynum), VM_STRINGTEMP_LENGTH);
+
+       PRVM_G_INT(OFS_RETURN) = PRVM_SetEngineString(tmp);
+}
+
+/*
+=========
+VM_stringtokeynum
+
+float stringtokeynum(string key)
+=========
+*/
+void VM_stringtokeynum (void)
+{
+       const char *str;
+       VM_SAFEPARMCOUNT( 1, VM_keynumtostring );
+
+       str = PRVM_G_STRING( OFS_PARM0 );
+
+       PRVM_G_INT(OFS_RETURN) = Key_StringToKeynum( str );
+}
+
 // CL_Video interface functions
 
 /*
@@ -2860,8 +2754,8 @@ 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 );
 
@@ -2886,14 +2780,14 @@ 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_GetVideoByName( name ) );
 }
 
 /*
@@ -2904,7 +2798,7 @@ void cin_setstate(string name, float type)
 */
 void VM_cin_setstate( void )
 {
-       char *name;
+       const char *name;
        clvideostate_t  state;
        clvideo_t               *video;
 
@@ -2913,9 +2807,9 @@ void VM_cin_setstate( void )
        name = PRVM_G_STRING( OFS_PARM0 );
        VM_CheckEmptyString( name );
 
-       state = PRVM_G_FLOAT( OFS_PARM1 );
+       state = (clvideostate_t)((int)PRVM_G_FLOAT( OFS_PARM1 ));
 
-       video = CL_GetVideo( name );
+       video = CL_GetVideoByName( name );
        if( video && state > CLVIDEO_UNUSED && state < CLVIDEO_STATECOUNT )
                CL_SetVideoState( video, state );
 }
@@ -2929,7 +2823,7 @@ float cin_getstate(string name)
 */
 void VM_cin_getstate( void )
 {
-       char *name;
+       const char *name;
        clvideo_t               *video;
 
        VM_SAFEPARMCOUNT( 1, VM_cin_getstate );
@@ -2937,7 +2831,7 @@ void VM_cin_getstate( void )
        name = PRVM_G_STRING( OFS_PARM0 );
        VM_CheckEmptyString( name );
 
-       video = CL_GetVideo( name );
+       video = CL_GetVideoByName( name );
        if( video )
                PRVM_G_FLOAT( OFS_RETURN ) = (int)video->state;
        else
@@ -2953,7 +2847,7 @@ void cin_restart(string name)
 */
 void VM_cin_restart( void )
 {
-       char *name;
+       const char *name;
        clvideo_t               *video;
 
        VM_SAFEPARMCOUNT( 1, VM_cin_restart );
@@ -2961,11 +2855,327 @@ void VM_cin_restart( void )
        name = PRVM_G_STRING( OFS_PARM0 );
        VM_CheckEmptyString( name );
 
-       video = CL_GetVideo( name );
+       video = CL_GetVideoByName( name );
        if( video )
                CL_RestartVideo( video );
 }
 
+/*
+==============
+VM_vectorvectors
+
+Writes new values for v_forward, v_up, and v_right based on the given forward vector
+vectorvectors(vector, vector)
+==============
+*/
+void VM_vectorvectors (void)
+{
+       VectorNormalize2(PRVM_G_VECTOR(OFS_PARM0), prog->globals.server->v_forward);
+       VectorVectors(prog->globals.server->v_forward, prog->globals.server->v_right, prog->globals.server->v_up);
+}
+
+/*
+========================
+VM_drawline
+
+void drawline(float width, vector pos1, vector pos2, vector rgb, float alpha, float flags)
+========================
+*/
+void VM_drawline (void)
+{
+       float   *c1, *c2, *rgb;
+       float   alpha, width;
+       unsigned char   flags;
+
+       VM_SAFEPARMCOUNT(6, VM_drawline);
+       width   = PRVM_G_FLOAT(OFS_PARM0);
+       c1              = PRVM_G_VECTOR(OFS_PARM1);
+       c2              = PRVM_G_VECTOR(OFS_PARM2);
+       rgb             = PRVM_G_VECTOR(OFS_PARM3);
+       alpha   = PRVM_G_FLOAT(OFS_PARM4);
+       flags   = (int)PRVM_G_FLOAT(OFS_PARM5);
+       DrawQ_Line(width, c1[0], c1[1], c2[0], c2[1], rgb[0], rgb[1], rgb[2], alpha, flags);
+}
+
+//====================
+//QC POLYGON functions
+//====================
+
+typedef struct
+{
+       rtexture_t              *tex;
+       float                   data[36];       //[515]: enough for polygons
+       unsigned char                   flags;  //[515]: + VM_POLYGON_2D and VM_POLYGON_FL4V flags
+}vm_polygon_t;
+
+//static float                 vm_polygon_linewidth = 1;
+static mempool_t               *vm_polygons_pool = NULL;
+static unsigned char                   vm_current_vertices = 0;
+static qboolean                        vm_polygons_initialized = false;
+static vm_polygon_t            *vm_polygons = NULL;
+static unsigned long   vm_polygons_num = 0, vm_drawpolygons_num = 0;   //[515]: ok long on 64bit ?
+static qboolean                        vm_polygonbegin = false;        //[515]: for "no-crap-on-the-screen" check
+#define VM_DEFPOLYNUM 64       //[515]: enough for default ?
+
+#define VM_POLYGON_FL3V                16      //more than 2 vertices (used only for lines)
+#define VM_POLYGON_FLLINES     32
+#define VM_POLYGON_FL2D                64
+#define VM_POLYGON_FL4V                128     //4 vertices
+
+void VM_InitPolygons (void)
+{
+       vm_polygons_pool = Mem_AllocPool("VMPOLY", 0, NULL);
+       vm_polygons = (vm_polygon_t *)Mem_Alloc(vm_polygons_pool, VM_DEFPOLYNUM*sizeof(vm_polygon_t));
+       memset(vm_polygons, 0, VM_DEFPOLYNUM*sizeof(vm_polygon_t));
+       vm_polygons_num = VM_DEFPOLYNUM;
+       vm_drawpolygons_num = 0;
+       vm_polygonbegin = false;
+       vm_polygons_initialized = true;
+}
+
+void VM_DrawPolygonCallback (const entity_render_t *ent, const rtlight_t *rtlight, int numsurfaces, int *surfacelist)
+{
+       int surfacelistindex;
+       // LordHavoc: FIXME: this is stupid code
+       for (surfacelistindex = 0;surfacelistindex < numsurfaces;surfacelistindex++)
+       {
+               const vm_polygon_t      *p = &vm_polygons[surfacelist[surfacelistindex]];
+               int                                     flags = p->flags & 0x0f;
+
+               if(flags == DRAWFLAG_ADDITIVE)
+                       GL_BlendFunc(GL_SRC_ALPHA, GL_ONE);
+               else if(flags == DRAWFLAG_MODULATE)
+                       GL_BlendFunc(GL_DST_COLOR, GL_ZERO);
+               else if(flags == DRAWFLAG_2XMODULATE)
+                       GL_BlendFunc(GL_DST_COLOR,GL_SRC_COLOR);
+               else
+                       GL_BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+
+               R_Mesh_TexBind(0, R_GetTexture(p->tex));
+
+               CHECKGLERROR
+               //[515]: is speed is max ?
+               if(p->flags & VM_POLYGON_FLLINES)       //[515]: lines
+               {
+                       qglLineWidth(p->data[13]);CHECKGLERROR
+                       qglBegin(GL_LINE_LOOP);
+                               qglTexCoord1f   (p->data[12]);
+                               qglColor4f              (p->data[20], p->data[21], p->data[22], p->data[23]);
+                               qglVertex3f             (p->data[0] , p->data[1],  p->data[2]);
+
+                               qglTexCoord1f   (p->data[14]);
+                               qglColor4f              (p->data[24], p->data[25], p->data[26], p->data[27]);
+                               qglVertex3f             (p->data[3] , p->data[4],  p->data[5]);
+
+                               if(p->flags & VM_POLYGON_FL3V)
+                               {
+                                       qglTexCoord1f   (p->data[16]);
+                                       qglColor4f              (p->data[28], p->data[29], p->data[30], p->data[31]);
+                                       qglVertex3f             (p->data[6] , p->data[7],  p->data[8]);
+
+                                       if(p->flags & VM_POLYGON_FL4V)
+                                       {
+                                               qglTexCoord1f   (p->data[18]);
+                                               qglColor4f              (p->data[32], p->data[33], p->data[34], p->data[35]);
+                                               qglVertex3f             (p->data[9] , p->data[10],  p->data[11]);
+                                       }
+                               }
+                       qglEnd();
+                       CHECKGLERROR
+               }
+               else
+               {
+                       qglBegin(GL_POLYGON);
+                               qglTexCoord2f   (p->data[12], p->data[13]);
+                               qglColor4f              (p->data[20], p->data[21], p->data[22], p->data[23]);
+                               qglVertex3f             (p->data[0] , p->data[1],  p->data[2]);
+
+                               qglTexCoord2f   (p->data[14], p->data[15]);
+                               qglColor4f              (p->data[24], p->data[25], p->data[26], p->data[27]);
+                               qglVertex3f             (p->data[3] , p->data[4],  p->data[5]);
+
+                               qglTexCoord2f   (p->data[16], p->data[17]);
+                               qglColor4f              (p->data[28], p->data[29], p->data[30], p->data[31]);
+                               qglVertex3f             (p->data[6] , p->data[7],  p->data[8]);
+
+                               if(p->flags & VM_POLYGON_FL4V)
+                               {
+                                       qglTexCoord2f   (p->data[18], p->data[19]);
+                                       qglColor4f              (p->data[32], p->data[33], p->data[34], p->data[35]);
+                                       qglVertex3f             (p->data[9] , p->data[10],  p->data[11]);
+                               }
+                       qglEnd();
+                       CHECKGLERROR
+               }
+       }
+}
+
+void VM_AddPolygonTo2DScene (vm_polygon_t *p)
+{
+       drawqueuemesh_t mesh;
+       static int              picelements[6] = {0, 1, 2, 0, 2, 3};
+
+       mesh.texture = p->tex;
+       mesh.data_element3i = picelements;
+       mesh.data_vertex3f = p->data;
+       mesh.data_texcoord2f = p->data + 12;
+       mesh.data_color4f = p->data + 20;
+       if(p->flags & VM_POLYGON_FL4V)
+       {
+               mesh.num_vertices = 4;
+               mesh.num_triangles = 2;
+       }
+       else
+       {
+               mesh.num_vertices = 3;
+               mesh.num_triangles = 1;
+       }
+       if(p->flags & VM_POLYGON_FLLINES)       //[515]: lines
+               DrawQ_LineLoop (&mesh, (p->flags&0x0f));
+       else
+               DrawQ_Mesh (&mesh, (p->flags&0x0f));
+}
+
+//void(string texturename, float flag, float 2d, float lines) R_BeginPolygon
+void VM_R_PolygonBegin (void)
+{
+       vm_polygon_t    *p;
+       const char              *picname;
+       if(prog->argc < 2)
+               VM_SAFEPARMCOUNT(2, VM_R_PolygonBegin);
+
+       if(!vm_polygons_initialized)
+               VM_InitPolygons();
+       if(vm_polygonbegin)
+       {
+               VM_Warning("VM_R_PolygonBegin: called twice without VM_R_PolygonEnd after first\n");
+               return;
+       }
+       if(vm_drawpolygons_num >= vm_polygons_num)
+       {
+               p = (vm_polygon_t *)Mem_Alloc(vm_polygons_pool, 2 * vm_polygons_num * sizeof(vm_polygon_t));
+               memset(p, 0, 2 * vm_polygons_num * sizeof(vm_polygon_t));
+               memcpy(p, vm_polygons, vm_polygons_num * sizeof(vm_polygon_t));
+               Mem_Free(vm_polygons);
+               vm_polygons = p;
+               vm_polygons_num *= 2;
+       }
+       p = &vm_polygons[vm_drawpolygons_num];
+       picname = PRVM_G_STRING(OFS_PARM0);
+       if(picname[0])
+               p->tex = Draw_CachePic(picname, true)->tex;
+       else
+               p->tex = r_texture_white;
+       p->flags = (unsigned char)PRVM_G_FLOAT(OFS_PARM1);
+       vm_current_vertices = 0;
+       vm_polygonbegin = true;
+       if(prog->argc >= 3)
+       {
+               if(PRVM_G_FLOAT(OFS_PARM2))
+                       p->flags |= VM_POLYGON_FL2D;
+               if(prog->argc >= 4 && PRVM_G_FLOAT(OFS_PARM3))
+               {
+                       p->data[13] = PRVM_G_FLOAT(OFS_PARM3);  //[515]: linewidth
+                       p->flags |= VM_POLYGON_FLLINES;
+               }
+       }
+}
+
+//void(vector org, vector texcoords, vector rgb, float alpha) R_PolygonVertex
+void VM_R_PolygonVertex (void)
+{
+       float                   *coords, *tx, *rgb, alpha;
+       vm_polygon_t    *p;
+       VM_SAFEPARMCOUNT(4, VM_R_PolygonVertex);
+
+       if(!vm_polygonbegin)
+       {
+               VM_Warning("VM_R_PolygonVertex: VM_R_PolygonBegin wasn't called\n");
+               return;
+       }
+       coords  = PRVM_G_VECTOR(OFS_PARM0);
+       tx              = PRVM_G_VECTOR(OFS_PARM1);
+       rgb             = PRVM_G_VECTOR(OFS_PARM2);
+       alpha = PRVM_G_FLOAT(OFS_PARM3);
+
+       p = &vm_polygons[vm_drawpolygons_num];
+       if(vm_current_vertices > 4)
+       {
+               VM_Warning("VM_R_PolygonVertex: may have 4 vertices max\n");
+               return;
+       }
+
+       p->data[vm_current_vertices*3]          = coords[0];
+       p->data[1+vm_current_vertices*3]        = coords[1];
+       p->data[2+vm_current_vertices*3]        = coords[2];
+
+       p->data[12+vm_current_vertices*2]       = tx[0];
+       if(!(p->flags & VM_POLYGON_FLLINES))
+               p->data[13+vm_current_vertices*2]       = tx[1];
+
+       p->data[20+vm_current_vertices*4]       = rgb[0];
+       p->data[21+vm_current_vertices*4]       = rgb[1];
+       p->data[22+vm_current_vertices*4]       = rgb[2];
+       p->data[23+vm_current_vertices*4]       = alpha;
+
+       vm_current_vertices++;
+       if(vm_current_vertices == 4)
+               p->flags |= VM_POLYGON_FL4V;
+       else
+               if(vm_current_vertices == 3)
+                       p->flags |= VM_POLYGON_FL3V;
+}
+
+//void() R_EndPolygon
+void VM_R_PolygonEnd (void)
+{
+       if(!vm_polygonbegin)
+       {
+               VM_Warning("VM_R_PolygonEnd: VM_R_PolygonBegin wasn't called\n");
+               return;
+       }
+       vm_polygonbegin = false;
+       if(vm_current_vertices > 2 || (vm_current_vertices >= 2 && vm_polygons[vm_drawpolygons_num].flags & VM_POLYGON_FLLINES))
+       {
+               if(vm_polygons[vm_drawpolygons_num].flags & VM_POLYGON_FL2D)    //[515]: don't use qcpolygons memory if 2D
+                       VM_AddPolygonTo2DScene(&vm_polygons[vm_drawpolygons_num]);
+               else
+                       vm_drawpolygons_num++;
+       }
+       else
+               VM_Warning("VM_R_PolygonEnd: %i vertices isn't a good choice\n", vm_current_vertices);
+}
+
+void VM_AddPolygonsToMeshQueue (void)
+{
+       unsigned int i;
+       if(!vm_drawpolygons_num)
+               return;
+       for(i = 0;i < vm_drawpolygons_num;i++)
+               VM_DrawPolygonCallback(NULL, NULL, i, NULL);
+       vm_drawpolygons_num = 0;
+}
+
+
+
+
+// float(float number, float quantity) bitshift (EXT_BITSHIFT)
+void VM_bitshift (void)
+{
+       int n1, n2;
+       VM_SAFEPARMCOUNT(2, VM_bitshift);
+
+       n1 = (int)fabs((int)PRVM_G_FLOAT(OFS_PARM0));
+       n2 = (int)PRVM_G_FLOAT(OFS_PARM1);
+       if(!n1)
+               PRVM_G_FLOAT(OFS_RETURN) = n1;
+       else
+       if(n2 < 0)
+               PRVM_G_FLOAT(OFS_RETURN) = (n1 >> -n2);
+       else
+               PRVM_G_FLOAT(OFS_RETURN) = (n1 << n2);
+}
+
 ////////////////////////////////////////
 // AltString functions
 ////////////////////////////////////////
@@ -2979,7 +3189,7 @@ float altstr_count(string)
 */
 void VM_altstr_count( void )
 {
-       char *altstr, *pos;
+       const char *altstr, *pos;
        int     count;
 
        VM_SAFEPARMCOUNT( 1, VM_altstr_count );
@@ -2987,11 +3197,15 @@ 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);
 }
@@ -3006,7 +3220,7 @@ 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 );
@@ -3024,7 +3238,7 @@ 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 );
 }
 
 /*
@@ -3036,7 +3250,8 @@ 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 );
@@ -3044,17 +3259,18 @@ void VM_altstr_get( void )
        altstr = PRVM_G_STRING( OFS_PARM0 );
        //VM_CheckEmptyString( altstr );
 
-       count = PRVM_G_FLOAT( OFS_PARM1 );
+       count = (int)PRVM_G_FLOAT( OFS_PARM1 );
        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;
        }
 
@@ -3071,7 +3287,7 @@ 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 );
 }
 
 /*
@@ -3084,8 +3300,8 @@ 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 );
@@ -3093,36 +3309,39 @@ void VM_altstr_set( void )
        altstr = PRVM_G_STRING( OFS_PARM0 );
        //VM_CheckEmptyString( altstr );
 
-       num = PRVM_G_FLOAT( OFS_PARM1 );
+       num = (int)PRVM_G_FLOAT( OFS_PARM1 );
 
        str = PRVM_G_STRING( OFS_PARM2 );
        //VM_CheckEmptyString( str );
 
        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) )
                        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 );
+       strlcpy(out, in, VM_STRINGTEMP_LENGTH);
+       PRVM_G_INT( OFS_RETURN ) = PRVM_SetEngineString( outstr );
 }
 
 /*
@@ -3135,938 +3354,538 @@ string        altstr_ins(string altstr, float num, string set)
 void VM_altstr_ins(void)
 {
        int num;
-       char *setstr;
-       char *set;
-       char *instr;
-       char *in;
+       const char *setstr;
+       const char *set;
+       const char *instr;
+       const char *in;
        char *outstr;
        char *out;
 
        in = instr = PRVM_G_STRING( OFS_PARM0 );
-       num = PRVM_G_FLOAT( OFS_PARM1 );
+       num = (int)PRVM_G_FLOAT( OFS_PARM1 );
        set = setstr = PRVM_G_STRING( OFS_PARM2 );
-       
-       out = outstr = VM_GetTempString();      
+
+       out = outstr = VM_GetTempString();
        for( num = num * 2 + 2 ; *in && num > 0 ; *out++ = *in++ )
-               if( *in == '\\' && !*++in )
-                       break;
-               else if( *in == '\'' )
+               if( *in == '\\' ) {
+                       if( !*++in ) {
+                               break;
+                       }
+               } else if( *in == '\'' ) {
                        num--;
+               }
 
+       *out++ = '\'';
        for( ; *set ; *out++ = *set++ );
+       *out++ = '\'';
 
-       strcpy( out, in );
-       PRVM_G_INT( OFS_RETURN ) = PRVM_SetString( outstr );
+       strlcpy(out, in, VM_STRINGTEMP_LENGTH);
+       PRVM_G_INT( OFS_RETURN ) = PRVM_SetEngineString( outstr );
 }
 
-void VM_Cmd_Init(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;
+////////////////////////////////////////
+// BufString functions
+////////////////////////////////////////
+//[515]: string buffers support
+#define MAX_QCSTR_BUFFERS 128
+#define MAX_QCSTR_STRINGS 1024
 
-               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 ) );
-       }
+typedef struct
+{
+       int             num_strings;
+       char    *strings[MAX_QCSTR_STRINGS];
+}qcstrbuffer_t;
 
-       Mem_FreePool(&VM_STRINGS_MEMPOOL);
-       CL_PurgeOwner( MENUOWNER );
-       VM_Search_Reset();
-       VM_Files_CloseAll();
-}
+static qcstrbuffer_t   *qcstringbuffers[MAX_QCSTR_BUFFERS];
+static int                             num_qcstringbuffers;
+static int                             buf_sortpower;
 
-//============================================================================
-// Server
+#define BUFSTR_BUFFER(a) (a>=MAX_QCSTR_BUFFERS) ? NULL : (qcstringbuffers[a])
+#define BUFSTR_ISFREE(a) (a<MAX_QCSTR_BUFFERS&&qcstringbuffers[a]&&qcstringbuffers[a]->num_strings<=0) ? 1 : 0
 
-char *vm_sv_extensions =
-"";
+static int BufStr_FindFreeBuffer (void)
+{
+       int     i;
+       if(num_qcstringbuffers == MAX_QCSTR_BUFFERS)
+               return -1;
+       for(i=0;i<MAX_QCSTR_BUFFERS;i++)
+               if(!qcstringbuffers[i])
+               {
+                       qcstringbuffers[i] = (qcstrbuffer_t *)Z_Malloc(sizeof(qcstrbuffer_t));
+                       memset(qcstringbuffers[i], 0, sizeof(qcstrbuffer_t));
+                       return i;
+               }
+       return -1;
+}
 
-prvm_builtin_t vm_sv_builtins[] = {
-0  // to be consistent with the old vm
-};
+static void BufStr_ClearBuffer (int index)
+{
+       qcstrbuffer_t   *b = qcstringbuffers[index];
+       int                             i;
 
-const int vm_sv_numbuiltins = sizeof(vm_sv_builtins) / sizeof(prvm_builtin_t);
+       if(b)
+       {
+               if(b->num_strings > 0)
+               {
+                       for(i=0;i<b->num_strings;i++)
+                               if(b->strings[i])
+                                       Z_Free(b->strings[i]);
+                       num_qcstringbuffers--;
+               }
+               Z_Free(qcstringbuffers[index]);
+               qcstringbuffers[index] = NULL;
+       }
+}
 
-void VM_SV_Cmd_Init(void)
+static int BufStr_FindFreeString (qcstrbuffer_t *b)
 {
+       int                             i;
+       for(i=0;i<b->num_strings;i++)
+               if(!b->strings[i] || !b->strings[i][0])
+                       return i;
+       if(i == MAX_QCSTR_STRINGS)      return -1;
+       else                                            return i;
 }
 
-void VM_SV_Cmd_Reset(void)
+static int BufStr_SortStringsUP (const void *in1, const void *in2)
 {
+       const char *a, *b;
+       a = *((const char **) in1);
+       b = *((const char **) in2);
+       if(!a[0])       return 1;
+       if(!b[0])       return -1;
+       return strncmp(a, b, buf_sortpower);
 }
 
-//============================================================================
-// 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)
+static int BufStr_SortStringsDOWN (const void *in1, const void *in2)
 {
+       const char *a, *b;
+       a = *((const char **) in1);
+       b = *((const char **) in2);
+       if(!a[0])       return 1;
+       if(!b[0])       return -1;
+       return strncmp(b, a, buf_sortpower);
 }
 
-void VM_CL_Cmd_Reset(void)
+#ifdef REMOVETHIS
+static void VM_BufStr_Init (void)
 {
+       memset(qcstringbuffers, 0, sizeof(qcstringbuffers));
+       num_qcstringbuffers = 0;
 }
 
-//============================================================================
-// 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)
+static void VM_BufStr_ShutDown (void)
 {
-       VM_SAFEPARMCOUNT(0,VM_M_getmousetarget);
-
-       if(in_client_mouse)
-               PRVM_G_FLOAT(OFS_RETURN) = 2;
-       else
-               PRVM_G_FLOAT(OFS_RETURN) = 1;
+       int i;
+       for(i=0;i<MAX_QCSTR_BUFFERS && num_qcstringbuffers;i++)
+               BufStr_ClearBuffer(i);
 }
-
-
+#endif
 
 /*
-=========
-VM_M_setkeydest
-
-setkeydest(float dest)
-=========
+========================
+VM_buf_create
+creates new buffer, and returns it's index, returns -1 if failed
+float buf_create(void) = #460;
+========================
 */
-void VM_M_setkeydest(void)
+void VM_buf_create (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]);
-       }
+       int i;
+       VM_SAFEPARMCOUNT(0, VM_buf_create);
+       i = BufStr_FindFreeBuffer();
+       if(i >= 0)
+               num_qcstringbuffers++;
+       //else
+               //Con_Printf("VM_buf_create: buffers overflow in %s\n", PRVM_NAME);
+       PRVM_G_FLOAT(OFS_RETURN) = i;
 }
 
 /*
-=========
-VM_M_getkeydest
-
-float  getkeydest
-=========
+========================
+VM_buf_del
+deletes buffer and all strings in it
+void buf_del(float bufhandle) = #461;
+========================
 */
-void VM_M_getkeydest(void)
+void VM_buf_del (void)
 {
-       VM_SAFEPARMCOUNT(0,VM_M_getkeydest);
-
-       // key_game = 0, key_message = 1, key_menu = 2, unknown = 3
-       switch(key_dest)
+       VM_SAFEPARMCOUNT(1, VM_buf_del);
+       if(BUFSTR_BUFFER((int)PRVM_G_FLOAT(OFS_PARM0)))
+               BufStr_ClearBuffer((int)PRVM_G_FLOAT(OFS_PARM0));
+       else
        {
-       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_Warning("VM_buf_del: invalid buffer %i used in %s\n", (int)PRVM_G_FLOAT(OFS_PARM0), PRVM_NAME);
+               return;
        }
 }
 
 /*
-=========
-VM_M_callfunction
-
-       callfunction(...,string function_name)
-Extension: pass
-=========
+========================
+VM_buf_getsize
+how many strings are stored in buffer
+float buf_getsize(float bufhandle) = #462;
+========================
 */
-mfunction_t *PRVM_ED_FindFunction (const char *name);
-void VM_M_callfunction(void)
+void VM_buf_getsize (void)
 {
-       mfunction_t *func;
-       char *s;
-
-       if(prog->argc == 0)
-               PRVM_ERROR("VM_M_callfunction: 1 parameter is required !\n");
+       qcstrbuffer_t   *b;
+       VM_SAFEPARMCOUNT(1, VM_buf_getsize);
 
-       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)
+       b = BUFSTR_BUFFER((int)PRVM_G_FLOAT(OFS_PARM0));
+       if(!b)
        {
-               prog->argc--;
-               PRVM_ExecuteProgram(func - prog->functions,"");
-               prog->argc++;
+               PRVM_G_FLOAT(OFS_RETURN) = -1;
+               VM_Warning("VM_buf_getsize: invalid buffer %i used in %s\n", (int)PRVM_G_FLOAT(OFS_PARM0), PRVM_NAME);
+               return;
        }
-}
-
-/*
-=========
-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;
+               PRVM_G_FLOAT(OFS_RETURN) = b->num_strings;
 }
 
 /*
-=========
-VM_M_writetofile
-
-       writetofile(float fhandle, entity ent)
-=========
+========================
+VM_buf_copy
+copy all content from one buffer to another, make sure it exists
+void buf_copy(float bufhandle_from, float bufhandle_to) = #463;
+========================
 */
-void VM_M_writetofile(void)
+void VM_buf_copy (void)
 {
-       prvm_edict_t * ent;
-       int filenum;
+       qcstrbuffer_t   *b1, *b2;
+       int                             i;
+       VM_SAFEPARMCOUNT(2, VM_buf_copy);
 
-       VM_SAFEPARMCOUNT(2, VM_M_writetofile);
-
-       filenum = PRVM_G_FLOAT(OFS_PARM0);
-       if (filenum < 0 || filenum >= MAX_VMFILES)
+       b1 = BUFSTR_BUFFER((int)PRVM_G_FLOAT(OFS_PARM0));
+       if(!b1)
        {
-               Con_Printf("VM_fputs: invalid file handle %i used in %s\n", filenum, PRVM_NAME);
+               VM_Warning("VM_buf_copy: invalid source buffer %i used in %s\n", (int)PRVM_G_FLOAT(OFS_PARM0), PRVM_NAME);
                return;
        }
-       if (VM_FILES[filenum] == NULL)
+       i = (int)PRVM_G_FLOAT(OFS_PARM1);
+       if(i == (int)PRVM_G_FLOAT(OFS_PARM0))
        {
-               Con_Printf("VM_fputs: no such file handle %i (or file has been closed) in %s\n", filenum, PRVM_NAME);
+               VM_Warning("VM_buf_copy: source == destination (%i) in %s\n", i, PRVM_NAME);
                return;
        }
-
-       ent = PRVM_G_EDICT(OFS_PARM1);
-       if(ent->p.e->free)
+       b2 = BUFSTR_BUFFER(i);
+       if(!b2)
        {
-               Con_Printf("VM_M_writetofile: %s: entity %i is free !\n", PRVM_NAME, PRVM_EDICT_NUM(OFS_PARM1));
+               VM_Warning("VM_buf_copy: invalid destination buffer %i used in %s\n", (int)PRVM_G_FLOAT(OFS_PARM1), PRVM_NAME);
                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);
+       BufStr_ClearBuffer(i);
+       qcstringbuffers[i] = (qcstrbuffer_t *)Z_Malloc(sizeof(qcstrbuffer_t));
+       memset(qcstringbuffers[i], 0, sizeof(qcstrbuffer_t));
+       b2->num_strings = b1->num_strings;
 
-       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]));
-
-       PRVM_G_INT(OFS_RETURN) = PRVM_SetString(ret);
+       for(i=0;i<b1->num_strings;i++)
+               if(b1->strings[i] && b1->strings[i][0])
+               {
+                       size_t stringlen;
+                       stringlen = strlen(b1->strings[i]) + 1;
+                       b2->strings[i] = (char *)Z_Malloc(stringlen);
+                       if(!b2->strings[i])
+                       {
+                               VM_Warning("VM_buf_copy: not enough memory for buffer %i used in %s\n", (int)PRVM_G_FLOAT(OFS_PARM1), PRVM_NAME);
+                               break;
+                       }
+                       memcpy(b2->strings[i], b1->strings[i], stringlen);
+               }
 }
 
 /*
-=========
-VM_M_getserverliststat
-
-float  getserverliststat(float type)
-=========
-*/
-/*
-       type:
-0      serverlist_viewcount
-1   serverlist_totalcount
-2      masterquerycount
-3      masterreplycount
-4      serverquerycount
-5      serverreplycount
-6      sortfield
-7      sortdescending
+========================
+VM_buf_sort
+sort buffer by beginnings of strings (sortpower defaults it's lenght)
+"backward == TRUE" means that sorting goes upside-down
+void buf_sort(float bufhandle, float sortpower, float backward) = #464;
+========================
 */
-void VM_M_getserverliststat( void )
+void VM_buf_sort (void)
 {
-       int type;
-       VM_SAFEPARMCOUNT ( 1, VM_M_getserverliststat );
-
-       PRVM_G_FLOAT( OFS_RETURN ) = 0;
+       qcstrbuffer_t   *b;
+       int                             i;
+       VM_SAFEPARMCOUNT(3, VM_buf_sort);
 
-       type = PRVM_G_FLOAT( OFS_PARM0 );
-       switch(type)
+       b = BUFSTR_BUFFER((int)PRVM_G_FLOAT(OFS_PARM0));
+       if(!b)
        {
-       case 0:
-               PRVM_G_FLOAT ( OFS_RETURN ) = serverlist_viewcount;
-               return;
-       case 1:
-               PRVM_G_FLOAT ( OFS_RETURN ) = serverlist_cachecount;
-       case 2:
-               PRVM_G_FLOAT ( OFS_RETURN ) = masterquerycount;
-               return;
-       case 3:
-               PRVM_G_FLOAT ( OFS_RETURN ) = masterreplycount;
+               VM_Warning("VM_buf_sort: invalid buffer %i used in %s\n", (int)PRVM_G_FLOAT(OFS_PARM0), PRVM_NAME);
                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 ) = serverlist_sortbyfield;
-               return;
-       case 7:
-               PRVM_G_FLOAT ( OFS_RETURN ) = serverlist_sortdescending;
+       }
+       if(b->num_strings <= 0)
+       {
+               VM_Warning("VM_buf_sort: tried to sort empty buffer %i in %s\n", (int)PRVM_G_FLOAT(OFS_PARM0), PRVM_NAME);
                return;
-       default:
-               Con_Printf( "VM_M_getserverliststat: bad type %i!\n", type );
        }
-}
+       buf_sortpower = (int)PRVM_G_FLOAT(OFS_PARM1);
+       if(buf_sortpower <= 0)
+               buf_sortpower = 99999999;
 
-/*
-========================
-VM_M_resetserverlistmasks
+       if(!PRVM_G_FLOAT(OFS_PARM2))
+               qsort(b->strings, b->num_strings, sizeof(char*), BufStr_SortStringsUP);
+       else
+               qsort(b->strings, b->num_strings, sizeof(char*), BufStr_SortStringsDOWN);
 
-resetserverlistmasks()
-========================
-*/
-void VM_M_resetserverlistmasks( void )
-{
-       ServerList_ResetMasks();
+       for(i=b->num_strings-1;i>=0;i--)        //[515]: delete empty lines
+               if(b->strings)
+               {
+                       if(b->strings[i][0])
+                               break;
+                       else
+                       {
+                               Z_Free(b->strings[i]);
+                               --b->num_strings;
+                               b->strings[i] = NULL;
+                       }
+               }
+               else
+                       --b->num_strings;
 }
 
-
 /*
 ========================
-VM_M_setserverlistmaskstring
-
-setserverlistmaskstring(float mask, float fld, string str, float op)
-0-511          and
-512 - 1024     or
+VM_buf_implode
+concantenates all buffer string into one with "glue" separator and returns it as tempstring
+string buf_implode(float bufhandle, string glue) = #465;
 ========================
 */
-void VM_M_setserverlistmaskstring( void )
+void VM_buf_implode (void)
 {
-       char *str;
-       int masknr;
-       serverlist_mask_t *mask;
-       int field;
-
-       VM_SAFEPARMCOUNT( 4, VM_M_setserverlistmaskstring );
-       str = PRVM_G_STRING( OFS_PARM1 );
-       if( !str )
-               PRVM_ERROR( "VM_M_setserverlistmaskstring: null string passed!" );
+       qcstrbuffer_t   *b;
+       char                    *k;
+       const char              *sep;
+       int                             i;
+       size_t                  l;
+       VM_SAFEPARMCOUNT(2, VM_buf_implode);
 
-       masknr = PRVM_G_FLOAT( OFS_PARM0 );
-       if( masknr >= 0 && masknr <= SERVERLIST_ANDMASKCOUNT )
-               mask = &serverlist_andmasks[masknr];
-       else if( masknr >= 512 && masknr - 512 <= SERVERLIST_ORMASKCOUNT )
-               mask = &serverlist_ormasks[masknr - 512 ];
-       else {
-               Con_Printf( "VM_M_setserverlistmaskstring: invalid mask number %i\n", masknr );
+       b = BUFSTR_BUFFER((int)PRVM_G_FLOAT(OFS_PARM0));
+       PRVM_G_INT(OFS_RETURN) = 0;
+       if(!b)
+       {
+               VM_Warning("VM_buf_implode: invalid buffer %i used in %s\n", (int)PRVM_G_FLOAT(OFS_PARM0), PRVM_NAME);
                return;
        }
-
-       field = (int) PRVM_G_FLOAT( OFS_PARM1 );
-
-       switch( field ) {
-               case SLIF_CNAME:
-                       strncpy( mask->info.cname, PRVM_G_STRING( OFS_PARM2 ), sizeof(mask->info.cname) );
-                       break;
-               case SLIF_NAME:
-                       strncpy( mask->info.name, PRVM_G_STRING( OFS_PARM2 ), sizeof(mask->info.name)  );
-                       break;
-               case SLIF_MAP:
-                       strncpy( mask->info.map, PRVM_G_STRING( OFS_PARM2 ), sizeof(mask->info.map)  );
-                       break;
-               case SLIF_MOD:
-                       strncpy( mask->info.mod, PRVM_G_STRING( OFS_PARM2 ), sizeof(mask->info.mod)  );
-                       break;
-               case SLIF_GAME:
-                       strncpy( mask->info.game, PRVM_G_STRING( OFS_PARM2 ), sizeof(mask->info.game)  );
-                       break;
-               default:
-                       Con_Printf( "VM_M_setserverlistmaskstring: Bad field number %i passed!\n", field );
-                       return;
-       }
-
-       mask->active = true;
-       mask->tests[field] = (int) PRVM_G_FLOAT( OFS_PARM3 );
+       if(!b->num_strings)
+               return;
+       sep = PRVM_G_STRING(OFS_PARM1);
+       k = VM_GetTempString();
+       k[0] = 0;
+       for(l=i=0;i<b->num_strings;i++)
+               if(b->strings[i])
+               {
+                       l += strlen(b->strings[i]);
+                       if(l>=4095)
+                               break;
+                       strlcat(k, b->strings[i], VM_STRINGTEMP_LENGTH);
+                       if(sep && (i != b->num_strings-1))
+                       {
+                               l += strlen(sep);
+                               if(l>=4095)
+                                       break;
+                               strlcat(k, sep, VM_STRINGTEMP_LENGTH);
+                       }
+               }
+       PRVM_G_INT(OFS_RETURN) = PRVM_SetEngineString(k);
 }
 
 /*
 ========================
-VM_M_setserverlistmasknumber
-
-setserverlistmasknumber(float mask, float fld, float num, float op)
-
-0-511          and
-512 - 1024     or
+VM_bufstr_get
+get a string from buffer, returns direct pointer, dont str_unzone it!
+string bufstr_get(float bufhandle, float string_index) = #465;
 ========================
 */
-void VM_M_setserverlistmasknumber( void )
+void VM_bufstr_get (void)
 {
-       int number;
-       serverlist_mask_t *mask;
-       int     masknr;
-       int field;
-       VM_SAFEPARMCOUNT( 4, VM_M_setserverlistmasknumber );
+       qcstrbuffer_t   *b;
+       int                             strindex;
+       VM_SAFEPARMCOUNT(2, VM_bufstr_get);
 
-       masknr = PRVM_G_FLOAT( OFS_PARM0 );
-       if( masknr >= 0 && masknr <= SERVERLIST_ANDMASKCOUNT )
-               mask = &serverlist_andmasks[masknr];
-       else if( masknr >= 512 && masknr - 512 <= SERVERLIST_ORMASKCOUNT )
-               mask = &serverlist_ormasks[masknr - 512 ];
-       else {
-               Con_Printf( "VM_M_setserverlistmasknumber: invalid mask number %i\n", masknr );
+       b = BUFSTR_BUFFER((int)PRVM_G_FLOAT(OFS_PARM0));
+       if(!b)
+       {
+               VM_Warning("VM_bufstr_get: invalid buffer %i used in %s\n", (int)PRVM_G_FLOAT(OFS_PARM0), PRVM_NAME);
                return;
        }
-
-       number = PRVM_G_FLOAT( OFS_PARM2 );
-       field = (int) PRVM_G_FLOAT( OFS_PARM1 );
-
-       switch( field ) {
-               case SLIF_MAXPLAYERS:
-                       mask->info.maxplayers = number;
-                       break;
-               case SLIF_NUMPLAYERS:
-                       mask->info.numplayers = number;
-                       break;
-               case SLIF_PING:
-                       mask->info.ping = number;
-                       break;
-               case SLIF_PROTOCOL:
-                       mask->info.protocol = number;
-                       break;
-               default:
-                       Con_Printf( "VM_M_setserverlistmasknumber: Bad field number %i passed!\n", field );
-                       return;
+       strindex = (int)PRVM_G_FLOAT(OFS_PARM1);
+       if(strindex < 0 || strindex > MAX_QCSTR_STRINGS)
+       {
+               VM_Warning("VM_bufstr_get: invalid string index %i used in %s\n", strindex, PRVM_NAME);
+               return;
        }
-
-       mask->active = true;
-       mask->tests[field] = (int) PRVM_G_FLOAT( OFS_PARM3 );
+       PRVM_G_INT(OFS_RETURN) = 0;
+       if(b->num_strings <= strindex)
+               return;
+       if(b->strings[strindex])
+               PRVM_G_INT(OFS_RETURN) = PRVM_SetEngineString(b->strings[strindex]);
 }
 
-
 /*
 ========================
-VM_M_resortserverlist
-
-resortserverlist
+VM_bufstr_set
+copies a string into selected slot of buffer
+void bufstr_set(float bufhandle, float string_index, string str) = #466;
 ========================
 */
-void VM_M_resortserverlist( void )
+void VM_bufstr_set (void)
 {
-       ServerList_RebuildViewList();
-}
-
-/*
-=========
-VM_M_getserverliststring
-
-string getserverliststring(float field, float hostnr)
-=========
-*/
-void VM_M_getserverliststring(void)
-{
-       serverlist_entry_t *cache;
-       int hostnr;
-
-       VM_SAFEPARMCOUNT(2, VM_M_getserverliststring);
-
-       PRVM_G_INT(OFS_RETURN) = 0;
+       int                             bufindex, strindex;
+       qcstrbuffer_t   *b;
+       const char              *news;
+       size_t                  alloclen;
 
-       hostnr = PRVM_G_FLOAT(OFS_PARM1);
+       VM_SAFEPARMCOUNT(3, VM_bufstr_set);
 
-       if(hostnr < 0 || hostnr >= serverlist_viewcount)
+       bufindex = (int)PRVM_G_FLOAT(OFS_PARM0);
+       b = BUFSTR_BUFFER(bufindex);
+       if(!b)
        {
-               Con_Print("VM_M_getserverliststring: bad hostnr passed!\n");
+               VM_Warning("VM_bufstr_set: invalid buffer %i used in %s\n", bufindex, PRVM_NAME);
                return;
        }
-       cache = serverlist_viewlist[hostnr];
-       switch( (int) PRVM_G_FLOAT(OFS_PARM0) ) {
-               case SLIF_CNAME:
-                       PRVM_G_INT( OFS_RETURN ) = PRVM_SetString( cache->info.cname );
-                       break;
-               case SLIF_NAME:
-                       PRVM_G_INT( OFS_RETURN ) = PRVM_SetString( cache->info.name );
-                       break;
-               case SLIF_GAME:
-                       PRVM_G_INT( OFS_RETURN ) = PRVM_SetString( cache->info.game );
-                       break;
-               case SLIF_MOD:
-                       PRVM_G_INT( OFS_RETURN ) = PRVM_SetString( cache->info.mod );
-                       break;
-               case SLIF_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_getserverliststring: bad field number passed!\n");
+       strindex = (int)PRVM_G_FLOAT(OFS_PARM1);
+       if(strindex < 0 || strindex > MAX_QCSTR_STRINGS)
+       {
+               VM_Warning("VM_bufstr_set: invalid string index %i used in %s\n", strindex, PRVM_NAME);
+               return;
+       }
+       news = PRVM_G_STRING(OFS_PARM2);
+       if(!news)
+       {
+               VM_Warning("VM_bufstr_set: null string used in %s\n", PRVM_NAME);
+               return;
        }
+       if(b->strings[strindex])
+               Z_Free(b->strings[strindex]);
+       alloclen = strlen(news) + 1;
+       b->strings[strindex] = (char *)Z_Malloc(alloclen);
+       memcpy(b->strings[strindex], news, alloclen);
 }
 
 /*
-=========
-VM_M_getserverlistnumber
-
-float  getserverlistnumber(float field, float hostnr)
-=========
+========================
+VM_bufstr_add
+adds string to buffer in nearest free slot and returns it
+"order == TRUE" means that string will be added after last "full" slot
+float bufstr_add(float bufhandle, string str, float order) = #467;
+========================
 */
-void VM_M_getserverlistnumber(void)
+void VM_bufstr_add (void)
 {
-       serverlist_entry_t *cache;
-       int hostnr;
-
-       VM_SAFEPARMCOUNT(2, VM_M_getserverliststring);
-
-       PRVM_G_INT(OFS_RETURN) = 0;
+       int                             bufindex, order, strindex;
+       qcstrbuffer_t   *b;
+       const char              *string;
+       size_t                  alloclen;
 
-       hostnr = PRVM_G_FLOAT(OFS_PARM1);
+       VM_SAFEPARMCOUNT(3, VM_bufstr_add);
 
-       if(hostnr < 0 || hostnr >= serverlist_viewcount)
+       bufindex = (int)PRVM_G_FLOAT(OFS_PARM0);
+       b = BUFSTR_BUFFER(bufindex);
+       PRVM_G_FLOAT(OFS_RETURN) = -1;
+       if(!b)
        {
-               Con_Print("VM_M_getserverliststring: bad hostnr passed!\n");
+               VM_Warning("VM_bufstr_add: invalid buffer %i used in %s\n", bufindex, PRVM_NAME);
                return;
        }
-       cache = serverlist_viewlist[hostnr];
-       switch( (int) PRVM_G_FLOAT(OFS_PARM0) ) {
-               case SLIF_MAXPLAYERS:
-                       PRVM_G_FLOAT( OFS_RETURN ) = cache->info.maxplayers;
-                       break;
-               case SLIF_NUMPLAYERS:
-                       PRVM_G_FLOAT( OFS_RETURN ) = cache->info.numplayers;
-                       break;
-               case SLIF_PING:
-                       PRVM_G_FLOAT( OFS_RETURN ) = cache->info.ping;
-                       break;
-               case SLIF_PROTOCOL:
-                       PRVM_G_FLOAT( OFS_RETURN ) = cache->info.protocol;
-                       break;
-               default:
-                       Con_Print("VM_M_getserverlistnumber: bad field number passed!\n");
+       string = PRVM_G_STRING(OFS_PARM1);
+       if(!string)
+       {
+               VM_Warning("VM_bufstr_add: null string used in %s\n", PRVM_NAME);
+               return;
        }
+
+       order = (int)PRVM_G_FLOAT(OFS_PARM2);
+       if(order)
+               strindex = b->num_strings;
+       else
+       {
+               strindex = BufStr_FindFreeString(b);
+               if(strindex < 0)
+               {
+                       VM_Warning("VM_bufstr_add: buffer %i has no free string slots in %s\n", bufindex, PRVM_NAME);
+                       return;
+               }
+       }
+
+       while(b->num_strings <= strindex)
+       {
+               if(b->num_strings == MAX_QCSTR_STRINGS)
+               {
+                       VM_Warning("VM_bufstr_add: buffer %i has no free string slots in %s\n", bufindex, PRVM_NAME);
+                       return;
+               }
+               b->strings[b->num_strings] = NULL;
+               b->num_strings++;
+       }
+       if(b->strings[strindex])
+               Z_Free(b->strings[strindex]);
+       alloclen = strlen(string) + 1;
+       b->strings[strindex] = (char *)Z_Malloc(alloclen);
+       memcpy(b->strings[strindex], string, alloclen);
+       PRVM_G_FLOAT(OFS_RETURN) = strindex;
 }
 
 /*
 ========================
-VM_M_setserverlistsort
-
-setserverlistsort(float field, float descending)
+VM_bufstr_free
+delete string from buffer
+void bufstr_free(float bufhandle, float string_index) = #468;
 ========================
 */
-void VM_M_setserverlistsort( void )
+void VM_bufstr_free (void)
 {
-       VM_SAFEPARMCOUNT( 2, VM_M_setserverlistsort );
+       int                             i;
+       qcstrbuffer_t   *b;
+       VM_SAFEPARMCOUNT(2, VM_bufstr_free);
 
-       serverlist_sortbyfield = (int) PRVM_G_FLOAT( OFS_PARM0 );
-       serverlist_sortdescending = (qboolean) PRVM_G_FLOAT( OFS_PARM1 );
+       b = BUFSTR_BUFFER((int)PRVM_G_FLOAT(OFS_PARM0));
+       if(!b)
+       {
+               VM_Warning("VM_bufstr_free: invalid buffer %i used in %s\n", (int)PRVM_G_FLOAT(OFS_PARM0), PRVM_NAME);
+               return;
+       }
+       i = (int)PRVM_G_FLOAT(OFS_PARM1);
+       if(i < 0 || i > MAX_QCSTR_STRINGS)
+       {
+               VM_Warning("VM_bufstr_free: invalid string index %i used in %s\n", i, PRVM_NAME);
+               return;
+       }
+       if(b->strings[i])
+               Z_Free(b->strings[i]);
+       b->strings[i] = NULL;
+       if(i+1 == b->num_strings)
+               --b->num_strings;
 }
 
-/*
-========================
-VM_M_refreshserverlist
+//=============
 
-refreshserverlist()
-========================
-*/
-void VM_M_refreshserverlist( void )
+void VM_Cmd_Init(void)
 {
-       VM_SAFEPARMCOUNT( 0, VM_M_refreshserverlist );
-       ServerList_QueryList();
+       // only init the stuff for the current prog
+       VM_Files_Init();
+       VM_Search_Init();
+//     VM_BufStr_Init();
+       if(vm_polygons_initialized)
+       {
+               Mem_FreePool(&vm_polygons_pool);
+               vm_polygons_initialized = false;
+       }
 }
 
-/*
-========================
-VM_M_getserverlistindexforkey
-
-float getserverlistindexforkey(string key)
-========================
-*/
-void VM_M_getserverlistindexforkey( void )
-{
-       char *key;
-       VM_SAFEPARMCOUNT( 1, VM_M_getserverlistindexforkey );
-
-       key = PRVM_G_STRING( OFS_PARM0 );
-       VM_CheckEmptyString( key );
-
-       if( !strcmp( key, "cname" ) )
-               PRVM_G_FLOAT( OFS_RETURN ) = SLIF_CNAME;
-       else if( !strcmp( key, "ping" ) )
-               PRVM_G_FLOAT( OFS_RETURN ) = SLIF_PING;
-       else if( !strcmp( key, "game" ) )
-               PRVM_G_FLOAT( OFS_RETURN ) = SLIF_GAME;
-       else if( !strcmp( key, "mod" ) )
-               PRVM_G_FLOAT( OFS_RETURN ) = SLIF_MOD;
-       else if( !strcmp( key, "map" ) )
-               PRVM_G_FLOAT( OFS_RETURN ) = SLIF_MAP;
-       else if( !strcmp( key, "name" ) )
-               PRVM_G_FLOAT( OFS_RETURN ) = SLIF_NAME;
-       else if( !strcmp( key, "maxplayers" ) )
-               PRVM_G_FLOAT( OFS_RETURN ) = SLIF_MAXPLAYERS;
-       else if( !strcmp( key, "numplayers" ) )
-               PRVM_G_FLOAT( OFS_RETURN ) = SLIF_NUMPLAYERS;
-       else if( !strcmp( key, "protocol" ) )
-               PRVM_G_FLOAT( OFS_RETURN ) = SLIF_PROTOCOL;
-       else
-               PRVM_G_FLOAT( OFS_RETURN ) = -1;
+void VM_Cmd_Reset(void)
+{
+       CL_PurgeOwner( MENUOWNER );
+       VM_Search_Reset();
+       VM_Files_CloseAll();
+//     VM_BufStr_ShutDown();
+       if(vm_polygons_initialized)
+       {
+               Mem_FreePool(&vm_polygons_pool);
+               vm_polygons_initialized = false;
+       }
 }
 
-/*
-========================
-VM_M_addwantedserverlistkey
-
-addwantedserverlistkey(string key)
-========================
-*/
-void VM_M_addwantedserverlistkey( void )
-{
-       VM_SAFEPARMCOUNT( 1, VM_M_addwantedserverlistkey );
-}
-
-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,
-       VM_altstr_ins,  // 86
-       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_getserverliststat,
-       VM_M_getserverliststring,
-       VM_M_parseentitydata,
-       VM_M_stringtokeynum,
-       VM_M_resetserverlistmasks,
-       VM_M_setserverlistmaskstring,
-       VM_M_setserverlistmasknumber,
-       VM_M_resortserverlist,
-       VM_M_setserverlistsort,
-       VM_M_refreshserverlist,
-       VM_M_getserverlistnumber,
-       VM_M_getserverlistindexforkey,
-       VM_M_addwantedserverlistkey // 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();
-}