]> de.git.xonotic.org Git - xonotic/darkplaces.git/blobdiff - prvm_cmds.c
this patch may break things and needs testing
[xonotic/darkplaces.git] / prvm_cmds.c
index 1e82ccbb870c88fb83a02242d4d6a4ae92558f81..887192dda0456c79ae645688cebc4a9ec1a70561 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"
+#include <time.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
+// 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];
 
-#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
+       va_start(argptr,fmt);
+       dpvsnprintf(msg,sizeof(msg),fmt,argptr);
+       va_end(argptr);
 
-#define        VM_RETURN_EDICT(e)              (((int *)prog->globals)[OFS_RETURN] = PRVM_EDICT_TO_PROG(e))
+       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
 
-// 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)
-{
-       char *s;
-       s = vm_string_temp[vm_string_tempindex];
-       vm_string_tempindex = (vm_string_tempindex + 1) % VM_STRINGTEMP_BUFFERS;
-       return s;
-}
+// TODO DONE: move vm_files and vm_fssearchlist to prvm_prog_t struct
+// TODO: move vm_files and vm_fssearchlist back [9/13/2006 Black]
+// TODO: (move vm_files and vm_fssearchlist to prvm_prog_t struct again) [2007-01-23 LordHavoc]
+// TODO: will this war ever end? [2007-01-23 LordHavoc]
 
 void VM_CheckEmptyString (const char *s)
 {
@@ -266,7 +71,7 @@ static qboolean checkextension(const char *name)
 {
        int len;
        char *e, *start;
-       len = strlen(name);
+       len = (int)strlen(name);
 
        for (e = prog->extensionstring;*e;e++)
        {
@@ -277,11 +82,8 @@ static qboolean checkextension(const 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;
 }
@@ -309,14 +111,14 @@ 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);
-       if(prog->self)
+       Con_Printf("======%s ERROR in %s:\n%s\n", PRVM_NAME, PRVM_GetString(prog->xfunction->s_name), string);
+       if (prog->globaloffsets.self >= 0)
        {
-               ed = PRVM_G_EDICT(prog->self->ofs);
+               ed = PRVM_PROG_TO_EDICT(PRVM_GLOBALFIELDVALUE(prog->globaloffsets.self)->edict);
                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);
 }
 
 /*
@@ -335,26 +137,27 @@ 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);
-       if(prog->self)
+       Con_Printf("======OBJECT ERROR======\n"); // , PRVM_NAME, PRVM_GetString(prog->xfunction->s_name), string); // or include them? FIXME
+       if (prog->globaloffsets.self >= 0)
        {
-               ed = PRVM_G_EDICT (prog->self->ofs);
+               ed = PRVM_PROG_TO_EDICT(PRVM_GLOBALFIELDVALUE(prog->globaloffsets.self)->edict);
                PRVM_ED_Print(ed);
 
                PRVM_ED_Free (ed);
        }
        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);
 }
 
 /*
 =================
-VM_print (actually used only by client and menu)
+VM_print
 
 print to console
 
-print(string)
+print(...[string])
 =================
 */
 void VM_print (void)
@@ -380,7 +183,7 @@ 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;
        }
 
@@ -403,18 +206,23 @@ void VM_sprint (void)
        int                     clientnum;
        char string[VM_STRINGTEMP_LENGTH];
 
+       VM_SAFEPARMCOUNTRANGE(1, 8, VM_sprint);
+
        //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);
 }
 
 /*
@@ -423,13 +231,14 @@ VM_centerprint
 
 single print to the screen
 
-centerprint(clientent, value)
+centerprint(value)
 =================
 */
 void VM_centerprint (void)
 {
        char string[VM_STRINGTEMP_LENGTH];
 
+       VM_SAFEPARMCOUNTRANGE(1, 8, VM_centerprint);
        VM_VarString(0, string, sizeof(string));
        SCR_CenterPrint(string);
 }
@@ -445,24 +254,20 @@ 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));
 }
@@ -476,17 +281,8 @@ 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));
 }
 
 /*
@@ -558,7 +354,7 @@ 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;
        }
@@ -584,49 +380,6 @@ void VM_random (void)
        PRVM_G_FLOAT(OFS_RETURN) = lhrandom(0, 1);
 }
 
-/*
-=================
-PF_sound
-
-Each entity can have eight independant sound sources, like voice,
-weapon, feet, etc.
-
-Channel 0 is an auto-allocate channel, the others override anything
-already running on that entity/channel pair.
-
-An attenuation of 0 will play full volume everywhere in the level.
-Larger attenuations will drop off.
-
-=================
-*/
-/*
-void PF_sound (void)
-{
-       char            *sample;
-       int                     channel;
-       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);
-
-       if (volume < 0 || volume > 255)
-               Host_Error ("SV_StartSound: volume = %i", volume);
-
-       if (attenuation < 0 || attenuation > 4)
-               Host_Error ("SV_StartSound: attenuation = %f", attenuation);
-
-       if (channel < 0 || channel > 7)
-               Host_Error ("SV_StartSound: channel = %i", channel);
-
-       SV_StartSound (entity, channel, sample, volume, attenuation);
-}
-*/
-
 /*
 =========
 VM_localsound
@@ -644,8 +397,8 @@ 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;
        }
 
@@ -672,15 +425,16 @@ 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_SAFEPARMCOUNTRANGE(1, 8, VM_localcmd);
+       VM_VarString(0, string, sizeof(string));
+       Cbuf_AddText(string);
 }
 
 /*
@@ -699,34 +453,42 @@ 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;
        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);
-
        VM_CheckEmptyString(name);
 
-       out = VM_GetTempString();
+       PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(Cvar_VariableString(name));
+}
 
-       cvar_string = Cvar_VariableString(name);
 
-       strcpy(out, cvar_string);
+/*
+========================
+VM_cvar_defstring
 
-       PRVM_G_INT(OFS_RETURN) = PRVM_SetEngineString(out);
-}
+const string   VM_cvar_defstring (string)
+========================
+*/
+void VM_cvar_defstring (void)
+{
+       const char *name;
+       VM_SAFEPARMCOUNT(1,VM_cvar_string);
+
+       name = PRVM_G_STRING(OFS_PARM0);
+
+       VM_CheckEmptyString(name);
 
+       PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(Cvar_VariableDefString(name));
+}
 /*
 =================
 VM_cvar_set
@@ -751,10 +513,15 @@ dprint(...[string])
 void VM_dprint (void)
 {
        char string[VM_STRINGTEMP_LENGTH];
+       VM_SAFEPARMCOUNTRANGE(1, 8, VM_dprint);
        if (developer.integer)
        {
                VM_VarString(0, string, sizeof(string));
+#if 1
+               Con_Printf("%s", string);
+#else
                Con_Printf("%s: %s", PRVM_NAME, string);
+#endif
        }
 }
 
@@ -769,18 +536,17 @@ string    ftos(float)
 void VM_ftos (void)
 {
        float v;
-       char *s;
+       char s[128];
 
        VM_SAFEPARMCOUNT(1, VM_ftos);
 
        v = PRVM_G_FLOAT(OFS_PARM0);
 
-       s = VM_GetTempString();
        if ((float)((int)v) == v)
                sprintf(s, "%i", (int)v);
        else
                sprintf(s, "%f", v);
-       PRVM_G_INT(OFS_RETURN) = PRVM_SetEngineString(s);
+       PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(s);
 }
 
 /*
@@ -811,13 +577,12 @@ string    vtos(vector)
 
 void VM_vtos (void)
 {
-       char *s;
+       char s[512];
 
        VM_SAFEPARMCOUNT(1,VM_vtos);
 
-       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_SetEngineString(s);
+       PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(s);
 }
 
 /*
@@ -830,13 +595,12 @@ string    etos(entity)
 
 void VM_etos (void)
 {
-       char *s;
+       char s[128];
 
        VM_SAFEPARMCOUNT(1, VM_etos);
 
-       s = VM_GetTempString();
        sprintf (s, "entity %i", PRVM_G_EDICTNUM(OFS_PARM0));
-       PRVM_G_INT(OFS_RETURN) = PRVM_SetEngineString(s);
+       PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(s);
 }
 
 /*
@@ -849,6 +613,7 @@ float stof(...[string])
 void VM_stof(void)
 {
        char string[VM_STRINGTEMP_LENGTH];
+       VM_SAFEPARMCOUNTRANGE(1, 8, VM_stof);
        VM_VarString(0, string, sizeof(string));
        PRVM_G_FLOAT(OFS_RETURN) = atof(string);
 }
@@ -868,23 +633,52 @@ 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;
 }
 
+/*
+=========
+VM_strftime
+
+string strftime(float uselocaltime, string[, string ...])
+=========
+*/
+void VM_strftime(void)
+{
+       time_t t;
+       struct tm *tm;
+       char fmt[VM_STRINGTEMP_LENGTH];
+       char result[VM_STRINGTEMP_LENGTH];
+       VM_SAFEPARMCOUNTRANGE(2, 8, VM_strftime);
+       VM_VarString(1, fmt, sizeof(fmt));
+       t = time(NULL);
+       if (PRVM_G_FLOAT(OFS_PARM0))
+               tm = localtime(&t);
+       else
+               tm = gmtime(&t);
+       if (!tm)
+       {
+               PRVM_G_FLOAT(OFS_RETURN) = 0;
+               return;
+       }
+       strftime(result, sizeof(result), fmt, tm);
+       PRVM_G_FLOAT(OFS_RETURN) = PRVM_SetTempString(result);
+}
+
 /*
 =========
 VM_spawn
@@ -896,6 +690,7 @@ entity spawn()
 void VM_spawn (void)
 {
        prvm_edict_t    *ed;
+       VM_SAFEPARMCOUNT(0, VM_spawn);
        prog->xfunction->builtinsprofile += 20;
        ed = PRVM_ED_Alloc();
        VM_RETURN_EDICT(ed);
@@ -917,11 +712,22 @@ 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");
 }
 
 /*
@@ -945,22 +751,19 @@ 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 ""
 
        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);
@@ -997,7 +800,7 @@ 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)
                {
@@ -1016,48 +819,42 @@ 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)
 {
        int             i;
        int             f;
-       int             chain_of;
        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);
-
-       chain_of = PRVM_ED_FindFieldOffset ("chain");
+       if (prog->fieldoffsets.chain < 0)
+               PRVM_ERROR("VM_findchain: %s doesnt have a chain field !", PRVM_NAME);
 
        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 ""
 
        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;
 
-               PRVM_E_INT(ent,chain_of) = PRVM_NUM_FOR_EDICT(chain);
+               PRVM_EDICTFIELDVALUE(ent,prog->fieldoffsets.chain)->edict = PRVM_NUM_FOR_EDICT(chain);
                chain = ent;
        }
 
@@ -1078,16 +875,13 @@ void VM_findchainfloat (void)
 {
        int             i;
        int             f;
-       int             chain_of;
        float   s;
        prvm_edict_t    *ent, *chain;
 
        VM_SAFEPARMCOUNT(2, VM_findchainfloat);
 
-       if(!prog->flag & PRVM_FE_CHAIN)
-               PRVM_ERROR("VM_findchainfloat: %s doesnt have a chain field !\n", PRVM_NAME);
-
-       chain_of = PRVM_ED_FindFieldOffset ("chain");
+       if (prog->fieldoffsets.chain < 0)
+               PRVM_ERROR("VM_findchainfloat: %s doesnt have a chain field !", PRVM_NAME);
 
        chain = (prvm_edict_t *)prog->edicts;
 
@@ -1098,12 +892,12 @@ 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;
 
-               PRVM_E_INT(ent,chain_of) = PRVM_EDICT_TO_PROG(chain);
+               PRVM_EDICTFIELDVALUE(ent,prog->fieldoffsets.chain)->edict = PRVM_EDICT_TO_PROG(chain);
                chain = ent;
        }
 
@@ -1111,30 +905,86 @@ 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);
+
+
+       e = PRVM_G_EDICTNUM(OFS_PARM0);
+       f = PRVM_G_INT(OFS_PARM1);
+       s = (int)PRVM_G_FLOAT(OFS_PARM2);
+
+       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_preache_error
+========================
+VM_findchainflags
 
-used instead of the other VM_precache_* functions in the builtin list
-=========
+entity findchainflags(.float field, float match)
+========================
 */
-
-void VM_precache_error (void)
+// LordHavoc: chained search for flags in float fields
+void VM_findchainflags (void)
 {
-       PRVM_ERROR ("PF_Precache_*: Precache can only be done in spawn functions");
+       int             i;
+       int             f;
+       int             s;
+       prvm_edict_t    *ent, *chain;
+
+       VM_SAFEPARMCOUNT(2, VM_findchainflags);
+
+       if (prog->fieldoffsets.chain < 0)
+               PRVM_ERROR("VM_findchainflags: %s doesnt have a chain field !", PRVM_NAME);
+
+       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_EDICTFIELDVALUE(ent,prog->fieldoffsets.chain)->edict = PRVM_EDICT_TO_PROG(chain);
+               chain = ent;
+       }
+
+       VM_RETURN_EDICT(chain);
 }
 
 /*
@@ -1146,16 +996,35 @@ string   precache_sound (string sample)
 */
 void VM_precache_sound (void)
 {
-       const char      *s;
+       const char *s;
 
        VM_SAFEPARMCOUNT(1, VM_precache_sound);
 
        s = PRVM_G_STRING(OFS_PARM0);
        PRVM_G_INT(OFS_RETURN) = PRVM_G_INT(OFS_PARM0);
-       VM_CheckEmptyString (s);
+       VM_CheckEmptyString(s);
+
+       if(snd_initialized.integer && !S_PrecacheSound(s, true, false))
+       {
+               VM_Warning("VM_precache_sound: Failed to load %s for %s\n", s, PRVM_NAME);
+               return;
+       }
+}
+
+/*
+=================
+VM_precache_file
 
-       if(snd_initialized.integer && !S_PrecacheSound (s,true, true))
-               Con_Printf("VM_precache_sound: Failed to load %s for %s\n", s, PRVM_NAME);
+returns the same string as output
+
+does nothing, only used by qcc to build .pak archives
+=================
+*/
+void VM_precache_file (void)
+{
+       VM_SAFEPARMCOUNT(1,VM_precache_file);
+       // precache_file is only used to copy files with qcc, it does nothing
+       PRVM_G_INT(OFS_RETURN) = PRVM_G_INT(OFS_PARM0);
 }
 
 /*
@@ -1201,7 +1070,7 @@ 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);
 }
 
 /*
@@ -1255,15 +1124,14 @@ 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);
 }
 
 /*
@@ -1307,6 +1175,8 @@ void VM_nextent (void)
        int             i;
        prvm_edict_t    *ent;
 
+       VM_SAFEPARMCOUNT(1, VM_nextent);
+
        i = PRVM_G_EDICTNUM(OFS_PARM0);
        while (1)
        {
@@ -1318,7 +1188,7 @@ 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;
@@ -1326,165 +1196,131 @@ void VM_nextent (void)
        }
 }
 
-/*
-===============================================================================
-MESSAGE WRITING
-
-used only for client and menu
-severs uses VM_SV_...
+//=============================================================================
 
-Write*(* data, float type, float to)
+/*
+==============
+VM_changelevel
+server and menu
 
-===============================================================================
+changelevel(string map)
+==============
 */
-
-#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)
+void VM_changelevel (void)
 {
-       int             dest;
-       int             destclient;
+       VM_SAFEPARMCOUNT(1, VM_changelevel);
 
        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);
+               VM_Warning("VM_changelevel: game is not server (%s)\n", PRVM_NAME);
+               return;
+       }
 
-               return &svs.clients[destclient].message;
+// make sure we don't issue two changelevels
+       if (svs.changelevel_issued)
+               return;
+       svs.changelevel_issued = true;
 
-       case MSG_ALL:
-               return &sv.reliable_datagram;
+       Cbuf_AddText (va("changelevel %s\n",PRVM_G_STRING(OFS_PARM0)));
+}
 
-       case MSG_INIT:
-               return &sv.signon;
+/*
+=========
+VM_sin
 
-       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)
+float  sin(float)
+=========
+*/
+void VM_sin (void)
 {
-       MSG_WriteShort (VM_WriteDest(), PRVM_G_FLOAT(OFS_PARM0));
+       VM_SAFEPARMCOUNT(1,VM_sin);
+       PRVM_G_FLOAT(OFS_RETURN) = sin(PRVM_G_FLOAT(OFS_PARM0));
 }
 
-void VM_WriteLong (void)
+/*
+=========
+VM_cos
+float  cos(float)
+=========
+*/
+void VM_cos (void)
 {
-       MSG_WriteLong (VM_WriteDest(), PRVM_G_FLOAT(OFS_PARM0));
+       VM_SAFEPARMCOUNT(1,VM_cos);
+       PRVM_G_FLOAT(OFS_RETURN) = cos(PRVM_G_FLOAT(OFS_PARM0));
 }
 
-void VM_WriteAngle (void)
-{
-       MSG_WriteAngle (VM_WriteDest(), PRVM_G_FLOAT(OFS_PARM0), sv.protocol);
-}
+/*
+=========
+VM_sqrt
 
-void VM_WriteCoord (void)
+float  sqrt(float)
+=========
+*/
+void VM_sqrt (void)
 {
-       MSG_WriteCoord (VM_WriteDest(), PRVM_G_FLOAT(OFS_PARM0), sv.protocol);
+       VM_SAFEPARMCOUNT(1,VM_sqrt);
+       PRVM_G_FLOAT(OFS_RETURN) = sqrt(PRVM_G_FLOAT(OFS_PARM0));
 }
 
-void VM_WriteString (void)
-{
-       MSG_WriteString (VM_WriteDest(), PRVM_G_STRING(OFS_PARM0));
-}
+/*
+=========
+VM_asin
 
-void VM_WriteEntity (void)
+float  asin(float)
+=========
+*/
+void VM_asin (void)
 {
-       MSG_WriteShort (VM_WriteDest(), PRVM_G_EDICTNUM(OFS_PARM0));
+       VM_SAFEPARMCOUNT(1,VM_asin);
+       PRVM_G_FLOAT(OFS_RETURN) = asin(PRVM_G_FLOAT(OFS_PARM0));
 }
 
-//=============================================================================
-
 /*
-==============
-VM_changelevel
-server and menu
-
-changelevel(string map)
-==============
+=========
+VM_acos
+float  acos(float)
+=========
 */
-void VM_changelevel (void)
+void VM_acos (void)
 {
-       const char      *s;
-
-       VM_SAFEPARMCOUNT(1, VM_changelevel);
-
-       if(!sv.active)
-       {
-               Con_Printf("VM_changelevel: game is not server (%s)\n", PRVM_NAME);
-               return;
-       }
-
-// make sure we don't issue two changelevels
-       if (svs.changelevel_issued)
-               return;
-       svs.changelevel_issued = true;
-
-       s = PRVM_G_STRING(OFS_PARM0);
-       Cbuf_AddText (va("changelevel %s\n",s));
+       VM_SAFEPARMCOUNT(1,VM_acos);
+       PRVM_G_FLOAT(OFS_RETURN) = acos(PRVM_G_FLOAT(OFS_PARM0));
 }
 
 /*
 =========
-VM_sin
-
-float  sin(float)
+VM_atan
+float  atan(float)
 =========
 */
-void VM_sin (void)
+void VM_atan (void)
 {
-       VM_SAFEPARMCOUNT(1,VM_sin);
-       PRVM_G_FLOAT(OFS_RETURN) = sin(PRVM_G_FLOAT(OFS_PARM0));
+       VM_SAFEPARMCOUNT(1,VM_atan);
+       PRVM_G_FLOAT(OFS_RETURN) = atan(PRVM_G_FLOAT(OFS_PARM0));
 }
 
 /*
 =========
-VM_cos
-float  cos(float)
+VM_atan2
+float  atan2(float,float)
 =========
 */
-void VM_cos (void)
+void VM_atan2 (void)
 {
-       VM_SAFEPARMCOUNT(1,VM_cos);
-       PRVM_G_FLOAT(OFS_RETURN) = cos(PRVM_G_FLOAT(OFS_PARM0));
+       VM_SAFEPARMCOUNT(2,VM_atan2);
+       PRVM_G_FLOAT(OFS_RETURN) = atan2(PRVM_G_FLOAT(OFS_PARM0), PRVM_G_FLOAT(OFS_PARM1));
 }
 
 /*
 =========
-VM_sqrt
-
-float  sqrt(float)
+VM_tan
+float  tan(float)
 =========
 */
-void VM_sqrt (void)
+void VM_tan (void)
 {
-       VM_SAFEPARMCOUNT(1,VM_sqrt);
-       PRVM_G_FLOAT(OFS_RETURN) = sqrt(PRVM_G_FLOAT(OFS_PARM0));
+       VM_SAFEPARMCOUNT(1,VM_tan);
+       PRVM_G_FLOAT(OFS_RETURN) = tan(PRVM_G_FLOAT(OFS_PARM0));
 }
 
 /*
@@ -1529,7 +1365,7 @@ void VM_randomvec (void)
 =========
 VM_registercvar
 
-float  registercvar (string name, string value, float flags)
+float  registercvar (string name, string value[, float flags])
 =========
 */
 void VM_registercvar (void)
@@ -1537,11 +1373,11 @@ void VM_registercvar (void)
        const char *name, *value;
        int     flags;
 
-       VM_SAFEPARMCOUNT(3,VM_registercvar);
+       VM_SAFEPARMCOUNTRANGE(2, 3, VM_registercvar);
 
        name = PRVM_G_STRING(OFS_PARM0);
        value = PRVM_G_STRING(OFS_PARM1);
-       flags = PRVM_G_FLOAT(OFS_PARM2);
+       flags = prog->argc >= 3 ? (int)PRVM_G_FLOAT(OFS_PARM2) : 0;
        PRVM_G_FLOAT(OFS_RETURN) = 0;
 
        if(flags > CVAR_MAXFLAGSVAL)
@@ -1554,7 +1390,7 @@ 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;
        }
 
@@ -1563,6 +1399,7 @@ void VM_registercvar (void)
        PRVM_G_FLOAT(OFS_RETURN) = 1; // success
 }
 
+
 /*
 =================
 VM_min
@@ -1574,20 +1411,19 @@ float min(float a, float b, ...[float])
 */
 void VM_min (void)
 {
+       VM_SAFEPARMCOUNTRANGE(2, 8, VM_min);
        // LordHavoc: 3+ argument enhancement suggested by FrikaC
-       if (prog->argc == 2)
-               PRVM_G_FLOAT(OFS_RETURN) = min(PRVM_G_FLOAT(OFS_PARM0), PRVM_G_FLOAT(OFS_PARM1));
-       else if (prog->argc >= 3)
+       if (prog->argc >= 3)
        {
                int i;
                float f = PRVM_G_FLOAT(OFS_PARM0);
                for (i = 1;i < prog->argc;i++)
-                       if (PRVM_G_FLOAT((OFS_PARM0+i*3)) < f)
+                       if (f > PRVM_G_FLOAT((OFS_PARM0+i*3)))
                                f = PRVM_G_FLOAT((OFS_PARM0+i*3));
                PRVM_G_FLOAT(OFS_RETURN) = f;
        }
        else
-               PRVM_ERROR("VM_min: %s must supply at least 2 floats\n", PRVM_NAME);
+               PRVM_G_FLOAT(OFS_RETURN) = min(PRVM_G_FLOAT(OFS_PARM0), PRVM_G_FLOAT(OFS_PARM1));
 }
 
 /*
@@ -1601,20 +1437,19 @@ float   max(float a, float b, ...[float])
 */
 void VM_max (void)
 {
+       VM_SAFEPARMCOUNTRANGE(2, 8, VM_max);
        // LordHavoc: 3+ argument enhancement suggested by FrikaC
-       if (prog->argc == 2)
-               PRVM_G_FLOAT(OFS_RETURN) = max(PRVM_G_FLOAT(OFS_PARM0), PRVM_G_FLOAT(OFS_PARM1));
-       else if (prog->argc >= 3)
+       if (prog->argc >= 3)
        {
                int i;
                float f = PRVM_G_FLOAT(OFS_PARM0);
                for (i = 1;i < prog->argc;i++)
-                       if (PRVM_G_FLOAT((OFS_PARM0+i*3)) > f)
+                       if (f < PRVM_G_FLOAT((OFS_PARM0+i*3)))
                                f = PRVM_G_FLOAT((OFS_PARM0+i*3));
                PRVM_G_FLOAT(OFS_RETURN) = f;
        }
        else
-               PRVM_ERROR("VM_max: %s must supply at least 2 floats\n", PRVM_NAME);
+               PRVM_G_FLOAT(OFS_RETURN) = max(PRVM_G_FLOAT(OFS_PARM0), PRVM_G_FLOAT(OFS_PARM1));
 }
 
 /*
@@ -1647,75 +1482,37 @@ void VM_pow (void)
        PRVM_G_FLOAT(OFS_RETURN) = pow(PRVM_G_FLOAT(OFS_PARM0), PRVM_G_FLOAT(OFS_PARM1));
 }
 
-/*
-=================
-VM_copyentity
-
-copies data from one entity to another
-
-copyentity(entity src, entity dst)
-=================
-*/
-void VM_copyentity (void)
+void VM_Files_Init(void)
 {
-       prvm_edict_t *in, *out;
-       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);
+       int i;
+       for (i = 0;i < PRVM_MAX_OPENFILES;i++)
+               prog->openfiles[i] = NULL;
 }
 
-/*
-=================
-VM_setcolor
-
-sets the color of a client and broadcasts the update to all connected clients
-
-setcolor(clientent, value)
-=================
-*/
-/*void PF_setcolor (void)
+void VM_Files_CloseAll(void)
 {
-       client_t *client;
-       int entnum, i;
-       eval_t *val;
-
-       entnum = G_EDICTNUM(OFS_PARM0);
-       i = G_FLOAT(OFS_PARM1);
-
-       if (entnum < 1 || entnum > svs.maxclients || !svs.clients[entnum-1].active)
+       int i;
+       for (i = 0;i < PRVM_MAX_OPENFILES;i++)
        {
-               Con_Print("tried to setcolor a non-client\n");
-               return;
+               if (prog->openfiles[i])
+                       FS_Close(prog->openfiles[i]);
+               prog->openfiles[i] = NULL;
        }
-
-       client = svs.clients + entnum-1;
-       if ((val = GETEDICTFIELDVALUE(client->edict, eval_clientcolors)))
-               val->_float = i;
-       client->colors = i;
-       client->old_colors = i;
-       client->edict->v->team = (i & 15) + 1;
-
-       MSG_WriteByte (&sv.reliable_datagram, svc_updatecolors);
-       MSG_WriteByte (&sv.reliable_datagram, entnum - 1);
-       MSG_WriteByte (&sv.reliable_datagram, i);
-}*/
-
-void VM_Files_Init(void)
-{
-       memset(VM_FILES, 0, sizeof(qfile_t*[MAX_VMFILES]));
 }
 
-void VM_Files_CloseAll(void)
+static qfile_t *VM_GetFileHandle( int index )
 {
-       int i;
-       for (i = 0;i < MAX_VMFILES;i++)
+       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];
 }
 
 /*
@@ -1735,16 +1532,16 @@ void VM_fopen(void)
 
        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
@@ -1757,29 +1554,28 @@ 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);
+       }
 }
 
 /*
@@ -1796,19 +1592,21 @@ 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);
 }
 
 /*
@@ -1822,26 +1620,26 @@ string  fgets(float fhandle)
 void VM_fgets(void)
 {
        int c, end;
-       static char string[VM_STRINGTEMP_LENGTH];
+       char string[VM_STRINGTEMP_LENGTH];
        int filenum;
 
        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)
@@ -1851,16 +1649,16 @@ 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_SetEngineString(string);
+               PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(string);
        else
-               PRVM_G_INT(OFS_RETURN) = 0;
+               PRVM_G_INT(OFS_RETURN) = OFS_NULL;
 }
 
 /*
@@ -1879,24 +1677,55 @@ 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);
 }
 
+/*
+=========
+VM_writetofile
+
+       writetofile(float fhandle, entity ent)
+=========
+*/
+void VM_writetofile(void)
+{
+       prvm_edict_t * ent;
+       qfile_t *file;
+
+       VM_SAFEPARMCOUNT(2, VM_writetofile);
+
+       file = VM_GetFileHandle( (int)PRVM_G_FLOAT(OFS_PARM0) );
+       if( !file )
+       {
+               VM_Warning("VM_writetofile: invalid or closed file handle\n");
+               return;
+       }
+
+       ent = PRVM_G_EDICT(OFS_PARM1);
+       if(ent->priv.required->free)
+       {
+               VM_Warning("VM_writetofile: %s: entity %i is free !\n", PRVM_NAME, PRVM_NUM_FOR_EDICT(ent));
+               return;
+       }
+
+       PRVM_ED_Write (file, ent);
+}
+
 /*
 =========
 VM_strlen
@@ -1907,15 +1736,136 @@ float  strlen(string s)
 //float(string s) strlen = #114; // returns how many characters are in a string
 void VM_strlen(void)
 {
-       const char *s;
-
        VM_SAFEPARMCOUNT(1,VM_strlen);
 
-       s = PRVM_G_STRING(OFS_PARM0);
-       if (s)
-               PRVM_G_FLOAT(OFS_RETURN) = strlen(s);
-       else
-               PRVM_G_FLOAT(OFS_RETURN) = 0;
+       PRVM_G_FLOAT(OFS_RETURN) = strlen(PRVM_G_STRING(OFS_PARM0));
+}
+
+// DRESK - Decolorized String
+/*
+=========
+VM_strdecolorize
+
+string strdecolorize(string s)
+=========
+*/
+// string (string s) strdecolorize = #472; // returns the passed in string with color codes stripped
+void VM_strdecolorize(void)
+{
+       char szNewString[VM_STRINGTEMP_LENGTH];
+       const char *szString;
+       size_t nCnt;
+       int nPos;
+       int nFillPos;
+       int bFinished;
+               nPos = 0;
+               nFillPos = 0;
+               nCnt = 0;
+               bFinished = 0;
+
+       // Prepare Strings
+       VM_SAFEPARMCOUNT(1,VM_strdecolorize);
+       szString = PRVM_G_STRING(OFS_PARM0);
+
+       while(!bFinished)
+       { // Traverse through String
+               if( szString[nPos] == '\n' || szString[nPos] == '\r' || szString[nPos] <= 0)
+               { // String End Found
+                       szNewString[nFillPos++] = szString[nPos];
+                       bFinished = 1;
+               }
+               else
+               if( szString[nPos] == STRING_COLOR_TAG)
+               { // Color Code Located
+                       if( szString[nPos + 1] == STRING_COLOR_TAG)
+                       { // Valid Characters to Include
+                               szNewString[nFillPos++] = szString[nPos];
+                               nPos = nPos + 1;
+                               szNewString[nFillPos++] = szString[nPos];
+                       }
+                       else
+                       if( szString[nPos + 1] >= '0' && szString[nPos + 1] <= '9' )
+                       { // Color Code Found; Increment Position
+                               nPos = nPos + 1;
+                       }
+                       else
+                       { // Unknown Color Code; Include
+                               szNewString[nFillPos++] = szString[nPos];
+                               nPos = nPos + 1;
+                       }
+               }
+               else
+                       // Include Character
+                       szNewString[nFillPos++] = szString[nPos];
+
+                       // Increment Position
+                       nPos = nPos + 1;
+       }
+
+       PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(szNewString);
+}
+
+// DRESK - String Length (not counting color codes)
+/*
+=========
+VM_strlennocol
+
+float  strlennocol(string s)
+=========
+*/
+// float(string s) strlennocol = #471; // returns how many characters are in a string not including color codes
+// For example, ^2Dresk returns a length of 5
+void VM_strlennocol(void)
+{
+       const char *szString;
+       size_t nCnt;
+       int nPos;
+       int bFinished;
+               nPos = 0;
+               nCnt = 0;
+               bFinished = 0;
+
+       VM_SAFEPARMCOUNT(1,VM_strlennocol);
+
+       szString = PRVM_G_STRING(OFS_PARM0);
+
+       while(!bFinished)
+       { // Count Characters
+               // SV_BroadcastPrintf("Position '%d'; Character '%c'; Length '%d'\n", nPos, szString[nPos], nCnt);
+
+               if( szString[nPos] == '\n' || szString[nPos] == '\r' || szString[nPos] <= 0)
+               { // String End Found
+                       // SV_BroadcastPrintf("Found End of String at '%d'\n", nPos);
+                       bFinished = 1;
+               }
+               else
+               if( szString[nPos] == STRING_COLOR_TAG)
+               { // Color Code Located
+                       if( szString[nPos + 1] == STRING_COLOR_TAG)
+                       { // Increment Length; Skip Color Code
+                               nCnt = nCnt + 1;
+                               nPos = nPos + 1;
+                       }
+                       else
+                       if( szString[nPos + 1] >= '0' && szString[nPos + 1] <= '9' )
+                       { // Color Code Found; Increment Position
+                               // SV_BroadcastPrintf("Found Color Codes at '%d'\n", nPos);
+                               nPos = nPos + 1;
+                       }
+                       else
+                       { // Unknown Color Code; Increment Length!
+                               nPos = nPos + 1;
+                               nCnt = nCnt + 1;
+                       }
+               }
+               else
+                       // Increment String Length
+                       nCnt = nCnt + 1;
+
+               // Increment Position
+               nPos = nPos + 1;
+       }
+       PRVM_G_FLOAT(OFS_RETURN) = nCnt;
 }
 
 /*
@@ -1930,14 +1880,11 @@ string strcat(string,string,...[string])
 // and returns as a tempstring
 void VM_strcat(void)
 {
-       char *s;
+       char s[VM_STRINGTEMP_LENGTH];
+       VM_SAFEPARMCOUNTRANGE(1, 8, VM_strcat);
 
-       if(prog->argc < 1)
-               PRVM_ERROR("VM_strcat wrong parameter count (min. 1 expected ) !\n");
-
-       s = VM_GetTempString();
-       VM_VarString(0, s, VM_STRINGTEMP_LENGTH);
-       PRVM_G_INT(OFS_RETURN) = PRVM_SetEngineString(s);
+       VM_VarString(0, s, sizeof(s));
+       PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(s);
 }
 
 /*
@@ -1953,21 +1900,18 @@ void VM_substring(void)
 {
        int i, start, length;
        const char *s;
-       char *string;
+       char string[VM_STRINGTEMP_LENGTH];
 
        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);
-       if (!s)
-               s = "";
+       start = (int)PRVM_G_FLOAT(OFS_PARM1);
+       length = (int)PRVM_G_FLOAT(OFS_PARM2);
        for (i = 0;i < start && *s;i++, s++);
-       for (i = 0;i < VM_STRINGTEMP_LENGTH - 1 && *s && i < length;i++, s++)
+       for (i = 0;i < (int)sizeof(string) - 1 && *s && i < length;i++, s++)
                string[i] = *s;
        string[i] = 0;
-       PRVM_G_INT(OFS_RETURN) = PRVM_SetEngineString(string);
+       PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(string);
 }
 
 /*
@@ -1995,18 +1939,19 @@ 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)
 {
-       const char *in;
        char *out;
+       char string[VM_STRINGTEMP_LENGTH];
+       size_t alloclen;
 
        VM_SAFEPARMCOUNT(1,VM_strzone);
 
-       in = PRVM_G_STRING(OFS_PARM0);
-       out = PRVM_AllocString(strlen(in) + 1);
-       strcpy(out, in);
-       PRVM_G_INT(OFS_RETURN) = PRVM_SetQCString(out);
+       VM_VarString(0, string, sizeof(string));
+       alloclen = strlen(string) + 1;
+       PRVM_G_INT(OFS_RETURN) = PRVM_AllocString(alloclen, &out);
+       memcpy(out, string, alloclen);
 }
 
 /*
@@ -2020,7 +1965,7 @@ strunzone(string s)
 void VM_strunzone(void)
 {
        VM_SAFEPARMCOUNT(1,VM_strunzone);
-       PRVM_FreeString((char *)PRVM_G_STRING(OFS_PARM0));
+       PRVM_FreeString(PRVM_G_INT(OFS_PARM0));
 }
 
 /*
@@ -2039,10 +1984,10 @@ 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;
        }
 
@@ -2060,107 +2005,60 @@ 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;
+int tokens[256];
 void VM_tokenize (void)
 {
-       const char *p, *str;
+       const char *p;
+#if 0
+       size_t pos = 0;
+       char tokenbuf[MAX_INPUTLINE];
+       size_t tokenlen;
+#endif
 
        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;
+       while(COM_ParseToken(&p, false))
        {
-               tokens[num_tokens] = Z_Malloc(strlen(com_token) + 1);
-               strcpy(tokens[num_tokens], com_token);
+               if (num_tokens >= (int)(sizeof(tokens)/sizeof(tokens[0])))
+                       break;
+#if 0
+               tokenlen = strlen(com_token) + 1;
+               if (pos + tokenlen > sizeof(tokenbuf))
+                       break;
+               tokens[num_tokens++] = PRVM_SetEngineString(tokenbuf + pos);
+               memcpy(tokenbuf + pos, com_token, tokenlen);
+               pos += tokenlen;
+#else
+               tokens[num_tokens++] = PRVM_SetTempString(com_token);
+#endif
        }
 
        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_SetEngineString(tokens[token_num]);
+               PRVM_G_INT(OFS_RETURN) = tokens[token_num];
        else
-               PRVM_G_INT(OFS_RETURN) = PRVM_SetEngineString(NULL);
+               PRVM_G_INT(OFS_RETURN) = OFS_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;
-       int i, modelindex;
-       model_t *model;
-
-       if (tagentity == NULL)
-               tagentity = sv.edicts;
-
-       v = GETEDICTFIELDVALUE(e, eval_tag_entity);
-       if (v)
-               v->edict = EDICT_TO_PROG(tagentity);
-
-       v = GETEDICTFIELDVALUE(e, eval_tag_index);
-       if (v)
-               v->_float = 0;
-       if (tagentity != NULL && tagentity != sv.edicts && tagname && tagname[0])
-       {
-               modelindex = (int)tagentity->v->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;
-                       // FIXME: use a model function to get tag info (need to handle skeletal)
-                       if (v->_float == 0 && model->num_tags)
-                               for (i = 0;i < model->num_tags;i++)
-                                       if (!strcmp(tagname, model->data_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);
-               }
-               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));
-       }
-}*/
-
 /*
 =========
 VM_isserver
@@ -2172,7 +2070,7 @@ void VM_isserver(void)
 {
        VM_SAFEPARMCOUNT(0,VM_serverstate);
 
-       PRVM_G_FLOAT(OFS_RETURN) = sv.active;
+       PRVM_G_FLOAT(OFS_RETURN) = sv.active && (svs.maxclients > 1 || cls.state == ca_dedicated);
 }
 
 /*
@@ -2220,9 +2118,9 @@ 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;
@@ -2257,7 +2155,7 @@ void VM_gettime(void)
 {
        VM_SAFEPARMCOUNT(0,VM_gettime);
 
-       PRVM_G_FLOAT(OFS_RETURN) = (float) *prog->time;
+       PRVM_G_FLOAT(OFS_RETURN) = (float) realtime;
 }
 
 /*
@@ -2276,12 +2174,12 @@ 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;
@@ -2290,14 +2188,14 @@ 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);
 }
@@ -2312,24 +2210,20 @@ loadfromfile(string file)
 void VM_loadfromfile(void)
 {
        const char *filename;
-       qbyte *data;
+       char *data;
 
        VM_SAFEPARMCOUNT(1,VM_loadfromfile);
 
        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, '\\'))
+       if (FS_CheckNastyPath(filename, false))
        {
-               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;
 
@@ -2360,17 +2254,21 @@ 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;
+       }
 }
 
 /*
@@ -2392,21 +2290,21 @@ 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;
@@ -2424,21 +2322,21 @@ 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;
 }
 
 /*
@@ -2453,20 +2351,20 @@ 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;
 }
 
 /*
@@ -2479,32 +2377,28 @@ string  search_getfilename(float handle, float num)
 void VM_search_getfilename(void)
 {
        int handle, filenum;
-       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]);
-
-       PRVM_G_INT(OFS_RETURN) = PRVM_SetEngineString(tmp);
+       PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog->opensearches[handle]->filenames[filenum]);
 }
 
 /*
@@ -2516,14 +2410,13 @@ string  chr(float ascii)
 */
 void VM_chr(void)
 {
-       char *tmp;
+       char tmp[2];
        VM_SAFEPARMCOUNT(1, VM_chr);
 
-       tmp = VM_GetTempString();
        tmp[0] = (unsigned char) PRVM_G_FLOAT(OFS_PARM0);
        tmp[1] = 0;
 
-       PRVM_G_INT(OFS_RETURN) = PRVM_SetEngineString(tmp);
+       PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(tmp);
 }
 
 //=============================================================================
@@ -2559,15 +2452,11 @@ void VM_precache_pic(void)
 
        s = PRVM_G_STRING(OFS_PARM0);
        PRVM_G_INT(OFS_RETURN) = PRVM_G_INT(OFS_PARM0);
-
-       if(!s)
-               PRVM_ERROR ("VM_precache_pic: %s: NULL\n", PRVM_NAME);
-
        VM_CheckEmptyString (s);
 
        // 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);
+               PRVM_G_INT(OFS_RETURN) = OFS_NULL;
 }
 
 /*
@@ -2584,10 +2473,6 @@ void VM_freepic(void)
        VM_SAFEPARMCOUNT(1,VM_freepic);
 
        s = PRVM_G_STRING(OFS_PARM0);
-
-       if(!s)
-               PRVM_ERROR ("VM_freepic: %s: NULL\n");
-
        VM_CheckEmptyString (s);
 
        Draw_FreePic(s);
@@ -2610,8 +2495,8 @@ 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;
        }
 
@@ -2622,8 +2507,8 @@ 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;
        }
 
@@ -2632,8 +2517,8 @@ 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;
        }
 
@@ -2656,15 +2541,6 @@ void VM_drawstring(void)
        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;
-               return;
-       }
-
-       //VM_CheckEmptyString(string); Why should it be checked - perhaps the menu wants to support the precolored letters, too?
-
        pos = PRVM_G_VECTOR(OFS_PARM0);
        scale = PRVM_G_VECTOR(OFS_PARM2);
        rgb = PRVM_G_VECTOR(OFS_PARM3);
@@ -2672,20 +2548,20 @@ 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;
        }
 
        if(pos[2] || scale[2])
-               Con_Printf("VM_drawstring: z value%c from %s discarded\n",(pos[2] && scale[2]) ? 's' : 0,((pos[2] && scale[2]) ? "pos and scale" : (pos[2] ? "pos" : "scale")));
+               Con_Printf("VM_drawstring: z value%s from %s discarded\n",(pos[2] && scale[2]) ? "s" : " ",((pos[2] && scale[2]) ? "pos and scale" : (pos[2] ? "pos" : "scale")));
 
        DrawQ_String (pos[0], pos[1], string, 0, scale[0], scale[1], rgb[0], rgb[1], rgb[2], PRVM_G_FLOAT(OFS_PARM4), flag);
        PRVM_G_FLOAT(OFS_RETURN) = 1;
@@ -2699,28 +2575,20 @@ float   drawpic(vector position, string pic, vector size, vector rgb, float alpha,
 */
 void VM_drawpic(void)
 {
-       const char *pic;
+       const char *picname;
        float *size, *pos, *rgb;
        int flag;
 
        VM_SAFEPARMCOUNT(6,VM_drawpic);
 
-       pic = PRVM_G_STRING(OFS_PARM1);
-
-       if(!pic)
-       {
-               Con_Printf("VM_drawpic: %s passed null picture name !\n", PRVM_NAME);
-               PRVM_G_FLOAT(OFS_RETURN) = -1;
-               return;
-       }
-
-       VM_CheckEmptyString (pic);
+       picname = PRVM_G_STRING(OFS_PARM1);
+       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;
        }
 
@@ -2731,15 +2599,15 @@ 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_drawpic: %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")));
+               Con_Printf("VM_drawpic: z value%s from %s discarded\n",(pos[2] && size[2]) ? "s" : " ",((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;
 }
 
@@ -2765,15 +2633,15 @@ 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_drawfill: %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")));
+               Con_Printf("VM_drawfill: z value%s from %s discarded\n",(pos[2] && size[2]) ? "s" : " ",((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;
 }
 
@@ -2826,11 +2694,7 @@ void VM_getimagesize(void)
        VM_SAFEPARMCOUNT(1,VM_getimagesize);
 
        p = PRVM_G_STRING(OFS_PARM0);
-
-       if(!p)
-               PRVM_ERROR("VM_getimagepos: %s passed null picture name !\n", PRVM_NAME);
-
-       VM_CheckEmptyString (p);
+       VM_CheckEmptyString (p);
 
        pic = Draw_CachePic (p, false);
 
@@ -2839,6 +2703,34 @@ void VM_getimagesize(void)
        PRVM_G_VECTOR(OFS_RETURN)[2] = 0;
 }
 
+/*
+=========
+VM_keynumtostring
+
+string keynumtostring(float keynum)
+=========
+*/
+void VM_keynumtostring (void)
+{
+       VM_SAFEPARMCOUNT(1, VM_keynumtostring);
+
+       PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(Key_KeynumToString((int)PRVM_G_FLOAT(OFS_PARM0)));
+}
+
+/*
+=========
+VM_stringtokeynum
+
+float stringtokeynum(string key)
+=========
+*/
+void VM_stringtokeynum (void)
+{
+       VM_SAFEPARMCOUNT( 1, VM_keynumtostring );
+
+       PRVM_G_INT(OFS_RETURN) = Key_StringToKeynum(PRVM_G_STRING(OFS_PARM0));
+}
+
 // CL_Video interface functions
 
 /*
@@ -2883,7 +2775,7 @@ void VM_cin_close( void )
        name = PRVM_G_STRING( OFS_PARM0 );
        VM_CheckEmptyString( name );
 
-       CL_CloseVideo( CL_GetVideo( name ) );
+       CL_CloseVideo( CL_GetVideoByName( name ) );
 }
 
 /*
@@ -2903,9 +2795,9 @@ 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 );
 }
@@ -2927,7 +2819,7 @@ 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
@@ -2951,11 +2843,102 @@ 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_makevectors
+
+Writes new values for v_forward, v_up, and v_right based on angles
+void makevectors(vector angle)
+==============
+*/
+void VM_makevectors (void)
+{
+       prvm_eval_t *valforward, *valright, *valup;
+       valforward = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.v_forward);
+       valright = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.v_right);
+       valup = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.v_up);
+       if (!valforward || !valright || !valup)
+       {
+               VM_Warning("makevectors: could not find v_forward, v_right, or v_up global variables\n");
+               return;
+       }
+       VM_SAFEPARMCOUNT(1, VM_makevectors);
+       AngleVectors (PRVM_G_VECTOR(OFS_PARM0), valforward->vector, valright->vector, valup->vector);
+}
+
+/*
+==============
+VM_vectorvectors
+
+Writes new values for v_forward, v_up, and v_right based on the given forward vector
+vectorvectors(vector)
+==============
+*/
+void VM_vectorvectors (void)
+{
+       prvm_eval_t *valforward, *valright, *valup;
+       valforward = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.v_forward);
+       valright = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.v_right);
+       valup = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.v_up);
+       if (!valforward || !valright || !valup)
+       {
+               VM_Warning("vectorvectors: could not find v_forward, v_right, or v_up global variables\n");
+               return;
+       }
+       VM_SAFEPARMCOUNT(1, VM_vectorvectors);
+       VectorNormalize2(PRVM_G_VECTOR(OFS_PARM0), valforward->vector);
+       VectorVectors(valforward->vector, valright->vector, valup->vector);
+}
+
+/*
+========================
+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);
+}
+
+
+
+
+
+// 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
 ////////////////////////////////////////
@@ -2977,11 +2960,15 @@ 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);
 }
@@ -2995,17 +2982,16 @@ string altstr_prepare(string)
 */
 void VM_altstr_prepare( void )
 {
-       char *outstr, *out;
+       char *out;
        const char *instr, *in;
        int size;
+       char outstr[VM_STRINGTEMP_LENGTH];
 
        VM_SAFEPARMCOUNT( 1, VM_altstr_prepare );
 
        instr = PRVM_G_STRING( OFS_PARM0 );
-       //VM_CheckEmptyString( instr );
-       outstr = VM_GetTempString();
 
-       for( out = outstr, in = instr, size = VM_STRINGTEMP_LENGTH - 1 ; size && *in ; size--, in++, out++ )
+       for( out = outstr, in = instr, size = sizeof(outstr) - 1 ; size && *in ; size--, in++, out++ )
                if( *in == '\'' ) {
                        *out++ = '\\';
                        *out = '\'';
@@ -3014,7 +3000,7 @@ void VM_altstr_prepare( void )
                        *out = *in;
        *out = 0;
 
-       PRVM_G_INT( OFS_RETURN ) = PRVM_SetEngineString( outstr );
+       PRVM_G_INT( OFS_RETURN ) = PRVM_SetTempString( outstr );
 }
 
 /*
@@ -3027,30 +3013,30 @@ string altstr_get(string, float)
 void VM_altstr_get( void )
 {
        const char *altstr, *pos;
-       char *outstr, *out;
+       char *out;
        int count, size;
+       char outstr[VM_STRINGTEMP_LENGTH];
 
        VM_SAFEPARMCOUNT( 2, VM_altstr_get );
 
        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_SetEngineString( NULL );
+               PRVM_G_INT( OFS_RETURN ) = 0;
                return;
        }
 
-    outstr = VM_GetTempString();
-       for( out = outstr, size = VM_STRINGTEMP_LENGTH - 1 ; size && *pos ; size--, pos++, out++ )
+       for( out = outstr, size = sizeof(outstr) - 1 ; size && *pos ; size--, pos++, out++ )
                if( *pos == '\\' ) {
                        if( !*++pos )
                                break;
@@ -3062,7 +3048,7 @@ void VM_altstr_get( void )
                        *out = *pos;
 
        *out = 0;
-       PRVM_G_INT( OFS_RETURN ) = PRVM_SetEngineString( outstr );
+       PRVM_G_INT( OFS_RETURN ) = PRVM_SetTempString( outstr );
 }
 
 /*
@@ -3077,43 +3063,36 @@ void VM_altstr_set( void )
     int num;
        const char *altstr, *str;
        const char *in;
-       char *outstr, *out;
+       char *out;
+       char outstr[VM_STRINGTEMP_LENGTH];
 
        VM_SAFEPARMCOUNT( 3, VM_altstr_set );
 
        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();
+       out = outstr;
        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_SetEngineString( NULL );
-               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_SetEngineString( NULL );
-               return;
-       }
-
-       strcpy( out, in );
-       PRVM_G_INT( OFS_RETURN ) = PRVM_SetEngineString( outstr );
+       strlcpy(out, in, outstr + sizeof(outstr) - out);
+       PRVM_G_INT( OFS_RETURN ) = PRVM_SetTempString( outstr );
 }
 
 /*
@@ -3130,924 +3109,732 @@ void VM_altstr_ins(void)
        const char *set;
        const char *instr;
        const char *in;
-       char *outstr;
        char *out;
+       char outstr[VM_STRINGTEMP_LENGTH];
+
+       VM_SAFEPARMCOUNT(3, VM_altstr_ins);
 
        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;
        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_SetEngineString( outstr );
-}
-
-void VM_Cmd_Init(void)
-{
-       // only init the stuff for the current prog
-       VM_Files_Init();
-       VM_Search_Init();
+       strlcpy(out, in, outstr + sizeof(outstr) - out);
+       PRVM_G_INT( OFS_RETURN ) = PRVM_SetTempString( outstr );
 }
 
-void VM_Cmd_Reset(void)
-{
-       CL_PurgeOwner( MENUOWNER );
-       VM_Search_Reset();
-       VM_Files_CloseAll();
-}
 
-//============================================================================
-// Server
+////////////////////////////////////////
+// BufString functions
+////////////////////////////////////////
+//[515]: string buffers support
+#define MAX_QCSTR_BUFFERS 128
+#define MAX_QCSTR_STRINGS 1024
 
-char *vm_sv_extensions =
-"";
+typedef struct
+{
+       int             num_strings;
+       char    *strings[MAX_QCSTR_STRINGS];
+}qcstrbuffer_t;
 
-prvm_builtin_t vm_sv_builtins[] = {
-0  // to be consistent with the old vm
-};
+// FIXME: move stringbuffers to prog_t to allow multiple progs!
+static qcstrbuffer_t   *qcstringbuffers[MAX_QCSTR_BUFFERS];
+static int                             num_qcstringbuffers;
+static int                             buf_sortpower;
 
-const int vm_sv_numbuiltins = sizeof(vm_sv_builtins) / sizeof(prvm_builtin_t);
+#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
 
-void VM_SV_Cmd_Init(void)
+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;
 }
 
-void VM_SV_Cmd_Reset(void)
+static void BufStr_ClearBuffer (int index)
 {
-}
-
-//============================================================================
-// Client
-
-char *vm_cl_extensions =
-"";
+       qcstrbuffer_t   *b = qcstringbuffers[index];
+       int                             i;
 
-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)
-{
+       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_CL_Cmd_Reset(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;
 }
 
-//============================================================================
-// Menu
-
-char *vm_m_extensions =
-"DP_CINEMATIC_DPV";
-
-/*
-=========
-VM_M_setmousetarget
-
-setmousetarget(float target)
-=========
-*/
-void VM_M_setmousetarget(void)
+static int BufStr_SortStringsUP (const void *in1, const void *in2)
 {
-       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));
-       }
+       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);
 }
 
-/*
-=========
-VM_M_getmousetarget
-
-float  getmousetarget
-=========
-*/
-void VM_M_getmousetarget(void)
+static int BufStr_SortStringsDOWN (const void *in1, const void *in2)
 {
-       VM_SAFEPARMCOUNT(0,VM_M_getmousetarget);
-
-       if(in_client_mouse)
-               PRVM_G_FLOAT(OFS_RETURN) = 2;
-       else
-               PRVM_G_FLOAT(OFS_RETURN) = 1;
+       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);
 }
 
-
-
 /*
-=========
-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;
-       const char *s;
-
-       if(prog->argc == 0)
-               PRVM_ERROR("VM_M_callfunction: 1 parameter is required !\n");
-
-       s = PRVM_G_STRING(OFS_PARM0 + (prog->argc - 1));
-
-       if(!s)
-               PRVM_ERROR("VM_M_callfunction: null string !\n");
-
-       VM_CheckEmptyString(s);
+       qcstrbuffer_t   *b;
+       VM_SAFEPARMCOUNT(1, VM_buf_getsize);
 
-       func = PRVM_ED_FindFunction(s);
-
-       if(!func)
-               PRVM_ERROR("VM_M_callfunciton: function %s not found !\n", s);
-       else if (func->first_statement < 0)
+       b = BUFSTR_BUFFER((int)PRVM_G_FLOAT(OFS_PARM0));
+       if(!b)
        {
-               // negative statements are built in functions
-               int builtinnumber = -func->first_statement;
-               prog->xfunction->builtinsprofile++;
-               if (builtinnumber < prog->numbuiltins && prog->builtins[builtinnumber])
-                       prog->builtins[builtinnumber]();
-               else
-                       PRVM_ERROR("No such builtin #%i in %s", builtinnumber, PRVM_NAME);
-       }
-       else if(func > 0)
-       {
-               prog->argc--;
-               PRVM_ExecuteProgram(func - prog->functions,"");
-               prog->argc++;
+               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;
-       const 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);
+       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;
 
-
-       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;
+       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_keynumtostring
-
-string keynumtostring(float keynum)
-=========
+========================
+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_keynumtostring(void)
+void VM_buf_sort (void)
 {
-       int keynum;
-       char *tmp;
-       VM_SAFEPARMCOUNT(1, VM_M_keynumtostring);
+       qcstrbuffer_t   *b;
+       int                             i;
+       VM_SAFEPARMCOUNT(3, VM_buf_sort);
 
-       keynum = PRVM_G_FLOAT(OFS_PARM0);
-
-       tmp = VM_GetTempString();
-
-       strcpy(tmp, Key_KeynumToString(keynum));
-
-       PRVM_G_INT(OFS_RETURN) = PRVM_SetEngineString(tmp);
-}
-
-/*
-=========
-VM_M_stringtokeynum
-
-float stringtokeynum(string key)
-=========
-*/
-void VM_M_stringtokeynum( void )
-{
-       const char *str;
-       VM_SAFEPARMCOUNT( 1, VM_M_keynumtostring );
+       b = BUFSTR_BUFFER((int)PRVM_G_FLOAT(OFS_PARM0));
+       if(!b)
+       {
+               VM_Warning("VM_buf_sort: invalid buffer %i used in %s\n", (int)PRVM_G_FLOAT(OFS_PARM0), PRVM_NAME);
+               return;
+       }
+       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;
+       }
+       buf_sortpower = (int)PRVM_G_FLOAT(OFS_PARM1);
+       if(buf_sortpower <= 0)
+               buf_sortpower = 99999999;
 
-       str = PRVM_G_STRING( OFS_PARM0 );
+       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);
 
-       PRVM_G_INT(OFS_RETURN) = Key_StringToKeynum( str );
+       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_findkeysforcommand
-
-string findkeysforcommand(string command)
-
-the returned string is an altstring
-=========
+========================
+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;
+========================
 */
-#define NUMKEYS 5 // TODO: merge the constant in keys.c with this one somewhen
-
-void M_FindKeysForCommand(const char *command, int *keys);
-void VM_M_findkeysforcommand(void)
+void VM_buf_implode (void)
 {
-       const char *cmd;
-       char *ret;
-       int keys[NUMKEYS];
-       int i;
-
-       VM_SAFEPARMCOUNT(1, VM_M_findkeysforcommand);
-
-       cmd = PRVM_G_STRING(OFS_PARM0);
+       qcstrbuffer_t   *b;
+       char                    k[VM_STRINGTEMP_LENGTH];
+       const char              *sep;
+       int                             i;
+       size_t                  l;
+       VM_SAFEPARMCOUNT(2, VM_buf_implode);
 
-       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_SetEngineString(ret);
+       b = BUFSTR_BUFFER((int)PRVM_G_FLOAT(OFS_PARM0));
+       PRVM_G_INT(OFS_RETURN) = OFS_NULL;
+       if(!b)
+       {
+               VM_Warning("VM_buf_implode: invalid buffer %i used in %s\n", (int)PRVM_G_FLOAT(OFS_PARM0), PRVM_NAME);
+               return;
+       }
+       if(!b->num_strings)
+               return;
+       sep = PRVM_G_STRING(OFS_PARM1);
+       k[0] = 0;
+       for(l=i=0;i<b->num_strings;i++)
+               if(b->strings[i])
+               {
+                       l += (i > 0 ? strlen(sep) : 0) + strlen(b->strings[i]);
+                       if (l >= sizeof(k) - 1)
+                               break;
+                       strlcat(k, sep, sizeof(k));
+                       strlcat(k, b->strings[i], sizeof(k));
+               }
+       PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(k);
 }
 
 /*
-=========
-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_bufstr_get
+get a string from buffer, returns tempstring, dont str_unzone it!
+string bufstr_get(float bufhandle, float string_index) = #465;
+========================
 */
-void VM_M_getserverliststat( void )
+void VM_bufstr_get (void)
 {
-       int type;
-       VM_SAFEPARMCOUNT ( 1, VM_M_getserverliststat );
+       qcstrbuffer_t   *b;
+       int                             strindex;
+       VM_SAFEPARMCOUNT(2, VM_bufstr_get);
 
-       PRVM_G_FLOAT( OFS_RETURN ) = 0;
-
-       type = PRVM_G_FLOAT( OFS_PARM0 );
-       switch(type)
+       PRVM_G_INT(OFS_RETURN) = OFS_NULL;
+       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;
-               return;
-       case 4:
-               PRVM_G_FLOAT ( OFS_RETURN ) = serverquerycount;
+               VM_Warning("VM_bufstr_get: invalid buffer %i used in %s\n", (int)PRVM_G_FLOAT(OFS_PARM0), PRVM_NAME);
                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;
+       }
+       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;
-       default:
-               Con_Printf( "VM_M_getserverliststat: bad type %i!\n", type );
        }
+       if(b->num_strings <= strindex)
+               return;
+       if(b->strings[strindex])
+               PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(b->strings[strindex]);
 }
 
 /*
 ========================
-VM_M_resetserverlistmasks
-
-resetserverlistmasks()
+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_resetserverlistmasks( void )
+void VM_bufstr_set (void)
 {
-       ServerList_ResetMasks();
-}
+       int                             bufindex, strindex;
+       qcstrbuffer_t   *b;
+       const char              *news;
+       size_t                  alloclen;
+
+       VM_SAFEPARMCOUNT(3, VM_bufstr_set);
 
+       bufindex = (int)PRVM_G_FLOAT(OFS_PARM0);
+       b = BUFSTR_BUFFER(bufindex);
+       if(!b)
+       {
+               VM_Warning("VM_bufstr_set: invalid buffer %i used in %s\n", bufindex, PRVM_NAME);
+               return;
+       }
+       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(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_setserverlistmaskstring
-
-setserverlistmaskstring(float mask, float fld, string str, float op)
-0-511          and
-512 - 1024     or
+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_setserverlistmaskstring( void )
+void VM_bufstr_add (void)
 {
-       const char *str;
-       int masknr;
-       serverlist_mask_t *mask;
-       int field;
+       int                             bufindex, order, strindex;
+       qcstrbuffer_t   *b;
+       const char              *string;
+       size_t                  alloclen;
 
-       VM_SAFEPARMCOUNT( 4, VM_M_setserverlistmaskstring );
-       str = PRVM_G_STRING( OFS_PARM1 );
-       if( !str )
-               PRVM_ERROR( "VM_M_setserverlistmaskstring: null string passed!" );
+       VM_SAFEPARMCOUNT(3, VM_bufstr_add);
 
-       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 );
+       bufindex = (int)PRVM_G_FLOAT(OFS_PARM0);
+       b = BUFSTR_BUFFER(bufindex);
+       PRVM_G_FLOAT(OFS_RETURN) = -1;
+       if(!b)
+       {
+               VM_Warning("VM_bufstr_add: invalid buffer %i used in %s\n", bufindex, 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 );
+       string = PRVM_G_STRING(OFS_PARM1);
+       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;
+               }
        }
 
-       mask->active = true;
-       mask->tests[field] = (int) PRVM_G_FLOAT( OFS_PARM3 );
+       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_setserverlistmasknumber
-
-setserverlistmasknumber(float mask, float fld, float num, float op)
-
-0-511          and
-512 - 1024     or
+VM_bufstr_free
+delete string from buffer
+void bufstr_free(float bufhandle, float string_index) = #468;
 ========================
 */
-void VM_M_setserverlistmasknumber( void )
+void VM_bufstr_free (void)
 {
-       int number;
-       serverlist_mask_t *mask;
-       int     masknr;
-       int field;
-       VM_SAFEPARMCOUNT( 4, VM_M_setserverlistmasknumber );
+       int                             i;
+       qcstrbuffer_t   *b;
+       VM_SAFEPARMCOUNT(2, VM_bufstr_free);
 
-       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_free: 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;
+       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;
        }
-
-       mask->active = true;
-       mask->tests[field] = (int) PRVM_G_FLOAT( OFS_PARM3 );
+       if(b->strings[i])
+               Z_Free(b->strings[i]);
+       b->strings[i] = NULL;
+       if(i+1 == b->num_strings)
+               --b->num_strings;
 }
 
+//=============
 
 /*
-========================
-VM_M_resortserverlist
-
-resortserverlist
-========================
-*/
-void VM_M_resortserverlist( void )
-{
-       ServerList_RebuildViewList();
-}
-
-/*
-=========
-VM_M_getserverliststring
+==============
+VM_changeyaw
 
-string getserverliststring(float field, float hostnr)
-=========
+This was a major timewaster in progs, so it was converted to C
+==============
 */
-void VM_M_getserverliststring(void)
+void VM_changeyaw (void)
 {
-       serverlist_entry_t *cache;
-       int hostnr;
-
-       VM_SAFEPARMCOUNT(2, VM_M_getserverliststring);
+       prvm_edict_t            *ent;
+       float           ideal, current, move, speed;
 
-       PRVM_G_INT(OFS_RETURN) = 0;
+       VM_SAFEPARMCOUNT(0, VM_changeyaw);
 
-       hostnr = PRVM_G_FLOAT(OFS_PARM1);
-
-       if(hostnr < 0 || hostnr >= serverlist_viewcount)
+       ent = PRVM_PROG_TO_EDICT(PRVM_GLOBALFIELDVALUE(prog->globaloffsets.self)->edict);
+       if (ent == prog->edicts)
        {
-               Con_Print("VM_M_getserverliststring: bad hostnr passed!\n");
+               VM_Warning("changeyaw: can not modify world entity\n");
                return;
        }
-       cache = serverlist_viewlist[hostnr];
-       switch( (int) PRVM_G_FLOAT(OFS_PARM0) ) {
-               case SLIF_CNAME:
-                       PRVM_G_INT( OFS_RETURN ) = PRVM_SetEngineString( cache->info.cname );
-                       break;
-               case SLIF_NAME:
-                       PRVM_G_INT( OFS_RETURN ) = PRVM_SetEngineString( cache->info.name );
-                       break;
-               case SLIF_GAME:
-                       PRVM_G_INT( OFS_RETURN ) = PRVM_SetEngineString( cache->info.game );
-                       break;
-               case SLIF_MOD:
-                       PRVM_G_INT( OFS_RETURN ) = PRVM_SetEngineString( cache->info.mod );
-                       break;
-               case SLIF_MAP:
-                       PRVM_G_INT( OFS_RETURN ) = PRVM_SetEngineString( cache->info.map );
-                       break;
-               // TODO remove this again
-               case 1024:
-                       PRVM_G_INT( OFS_RETURN ) = PRVM_SetEngineString( cache->line1 );
-                       break;
-               case 1025:
-                       PRVM_G_INT( OFS_RETURN ) = PRVM_SetEngineString( cache->line2 );
-                       break;
-               default:
-                       Con_Print("VM_M_getserverliststring: bad field number passed!\n");
+       if (ent->priv.server->free)
+       {
+               VM_Warning("changeyaw: can not modify free entity\n");
+               return;
+       }
+       if (prog->fieldoffsets.angles < 0 || prog->fieldoffsets.ideal_yaw < 0 || prog->fieldoffsets.yaw_speed < 0)
+       {
+               VM_Warning("changeyaw: angles, ideal_yaw, or yaw_speed field(s) not found\n");
+               return;
+       }
+       current = ANGLEMOD(PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.angles)->vector[1]);
+       ideal = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.ideal_yaw)->_float;
+       speed = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.yaw_speed)->_float;
+
+       if (current == ideal)
+               return;
+       move = ideal - current;
+       if (ideal > current)
+       {
+               if (move >= 180)
+                       move = move - 360;
        }
+       else
+       {
+               if (move <= -180)
+                       move = move + 360;
+       }
+       if (move > 0)
+       {
+               if (move > speed)
+                       move = speed;
+       }
+       else
+       {
+               if (move < -speed)
+                       move = -speed;
+       }
+
+       PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.angles)->vector[1] = ANGLEMOD (current + move);
 }
 
 /*
-=========
-VM_M_getserverlistnumber
-
-float  getserverlistnumber(float field, float hostnr)
-=========
+==============
+VM_changepitch
+==============
 */
-void VM_M_getserverlistnumber(void)
+void VM_changepitch (void)
 {
-       serverlist_entry_t *cache;
-       int hostnr;
+       prvm_edict_t            *ent;
+       float           ideal, current, move, speed;
 
-       VM_SAFEPARMCOUNT(2, VM_M_getserverliststring);
+       VM_SAFEPARMCOUNT(1, VM_changepitch);
 
-       PRVM_G_INT(OFS_RETURN) = 0;
-
-       hostnr = PRVM_G_FLOAT(OFS_PARM1);
-
-       if(hostnr < 0 || hostnr >= serverlist_viewcount)
+       ent = PRVM_G_EDICT(OFS_PARM0);
+       if (ent == prog->edicts)
        {
-               Con_Print("VM_M_getserverliststring: bad hostnr passed!\n");
+               VM_Warning("changepitch: can not modify world entity\n");
                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");
+       if (ent->priv.server->free)
+       {
+               VM_Warning("changepitch: can not modify free entity\n");
+               return;
+       }
+       if (prog->fieldoffsets.angles < 0 || prog->fieldoffsets.idealpitch < 0 || prog->fieldoffsets.pitch_speed < 0)
+       {
+               VM_Warning("changepitch: angles, idealpitch, or pitch_speed field(s) not found\n");
+               return;
+       }
+       current = ANGLEMOD(PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.angles)->vector[0]);
+       ideal = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.idealpitch)->_float;
+       speed = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.pitch_speed)->_float;
+
+       if (current == ideal)
+               return;
+       move = ideal - current;
+       if (ideal > current)
+       {
+               if (move >= 180)
+                       move = move - 360;
+       }
+       else
+       {
+               if (move <= -180)
+                       move = move + 360;
+       }
+       if (move > 0)
+       {
+               if (move > speed)
+                       move = speed;
        }
+       else
+       {
+               if (move < -speed)
+                       move = -speed;
+       }
+
+       PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.angles)->vector[0] = ANGLEMOD (current + move);
 }
 
-/*
-========================
-VM_M_setserverlistsort
 
-setserverlistsort(float field, float descending)
-========================
-*/
-void VM_M_setserverlistsort( void )
+static int Is_Text_Color (char c, char t)
 {
-       VM_SAFEPARMCOUNT( 2, VM_M_setserverlistsort );
+       int a = 0;
+       char c2 = c - (c & 128);
+       char t2 = t - (t & 128);
 
-       serverlist_sortbyfield = (int) PRVM_G_FLOAT( OFS_PARM0 );
-       serverlist_sortdescending = (qboolean) PRVM_G_FLOAT( OFS_PARM1 );
+       if(c != STRING_COLOR_TAG && c2 != STRING_COLOR_TAG)             return 0;
+       if(t >= '0' && t <= '9')                a = 1;
+       if(t2 >= '0' && t2 <= '9')              a = 1;
+/*     if(t >= 'A' && t <= 'Z')                a = 2;
+       if(t2 >= 'A' && t2 <= 'Z')              a = 2;
+
+       if(a == 1 && scr_colortext.integer > 0)
+               return 1;
+       if(a == 2 && scr_multifonts.integer > 0)
+               return 2;
+*/
+       return a;
 }
 
-/*
-========================
-VM_M_refreshserverlist
+void VM_uncolorstring (void)
+{
+       const char      *in;
+       char            out[VM_STRINGTEMP_LENGTH];
+       int                     k = 0, i = 0;
 
-refreshserverlist()
-========================
-*/
-void VM_M_refreshserverlist( void )
+       VM_SAFEPARMCOUNT(1, VM_uncolorstring);
+       in = PRVM_G_STRING(OFS_PARM0);
+       VM_CheckEmptyString (in);
+
+       while (in[k])
+       {
+               if(in[k+1])
+               if(Is_Text_Color(in[k], in[k+1]) == 1/* || (in[k] == '&' && in[k+1] == 'r')*/)
+               {
+                       k += 2;
+                       continue;
+               }
+               out[i] = in[k];
+               ++k;
+               ++i;
+       }
+       PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(out);
+}
+
+//#222 string(string s, float index) str2chr (FTE_STRINGS)
+void VM_str2chr (void)
 {
-       VM_SAFEPARMCOUNT( 0, VM_M_refreshserverlist );
-       ServerList_QueryList();
+       const char *s;
+       VM_SAFEPARMCOUNT(2, VM_str2chr);
+       s = PRVM_G_STRING(OFS_PARM0);
+       if((unsigned)PRVM_G_FLOAT(OFS_PARM1) > strlen(s))
+               return;
+       PRVM_G_FLOAT(OFS_RETURN) = (unsigned char)s[(int)PRVM_G_FLOAT(OFS_PARM1)];
 }
 
-/*
-========================
-VM_M_getserverlistindexforkey
+//#223 string(float c, ...) chr2str (FTE_STRINGS)
+void VM_chr2str (void)
+{
+       char    t[9];
+       int             i;
+       VM_SAFEPARMCOUNTRANGE(0, 8, VM_chr2str);
+       for(i = 0;i < prog->argc && i < (int)sizeof(t) - 1;i++)
+               t[i] = (unsigned char)PRVM_G_FLOAT(OFS_PARM0+i*3);
+       t[i] = 0;
+       PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(t);
+}
+
+//#228 float(string s1, string s2, float len) strncmp (FTE_STRINGS)
+void VM_strncmp (void)
+{
+       const char *s1, *s2;
+       VM_SAFEPARMCOUNT(1, VM_strncmp);
+       s1 = PRVM_G_STRING(OFS_PARM0);
+       s2 = PRVM_G_STRING(OFS_PARM1);
+       PRVM_G_FLOAT(OFS_RETURN) = strncmp(s1, s2, (size_t)PRVM_G_FLOAT(OFS_PARM2));
+}
+
+void VM_wasfreed (void)
+{
+       VM_SAFEPARMCOUNT(1, VM_wasfreed);
+       PRVM_G_FLOAT(OFS_RETURN) = PRVM_G_EDICT(OFS_PARM0)->priv.required->free;
+}
+
+void VM_SetTraceGlobals(const trace_t *trace)
+{
+       prvm_eval_t *val;
+       if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.trace_allsolid)))
+               val->_float = trace->allsolid;
+       if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.trace_startsolid)))
+               val->_float = trace->startsolid;
+       if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.trace_fraction)))
+               val->_float = trace->fraction;
+       if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.trace_inwater)))
+               val->_float = trace->inwater;
+       if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.trace_inopen)))
+               val->_float = trace->inopen;
+       if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.trace_endpos)))
+               VectorCopy(trace->endpos, val->vector);
+       if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.trace_plane_normal)))
+               VectorCopy(trace->plane.normal, val->vector);
+       if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.trace_plane_dist)))
+               val->_float = trace->plane.dist;
+       if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.trace_ent)))
+               val->edict = PRVM_EDICT_TO_PROG(trace->ent ? trace->ent : prog->edicts);
+       if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.trace_dpstartcontents)))
+               val->_float = trace->startsupercontents;
+       if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.trace_dphitcontents)))
+               val->_float = trace->hitsupercontents;
+       if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.trace_dphitq3surfaceflags)))
+               val->_float = trace->hitq3surfaceflags;
+       if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.trace_dphittexturename)))
+               val->string = trace->hittexture ? PRVM_SetTempString(trace->hittexture->name) : 0;
+}
+
+//=============
 
-float getserverlistindexforkey(string key)
-========================
-*/
-void VM_M_getserverlistindexforkey( void )
-{
-       const 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_Init(void)
+{
+       // only init the stuff for the current prog
+       VM_Files_Init();
+       VM_Search_Init();
+//     VM_BufStr_Init();
 }
 
-/*
-========================
-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();
+void VM_Cmd_Reset(void)
+{
+       CL_PurgeOwner( MENUOWNER );
+       VM_Search_Reset();
+       VM_Files_CloseAll();
+//     VM_BufStr_ShutDown();
 }
+