made darkplaces compile successfully with g++ to test for errors C doesn't care about...
[xonotic/darkplaces.git] / prvm_cmds.c
index 6b8abd7..e3f6392 100644 (file)
 // cause large (I think they will) parts are from pr_cmds the same copyright like in pr_cmds
 // also applies here
 
-
-/*
-============================================================================
-common cmd list:
-=================
-
-               checkextension(string)
-               error(...[string])
-               objerror(...[string)
-               print(...[strings])
-               bprint(...[string])
-               sprint(float clientnum,...[string])
-               centerprint(...[string])
-vector normalize(vector)
-float  vlen(vector)
-float  vectoyaw(vector)
-vector vectoangles(vector)
-float  random()
-               cmd(string)
-               float cvar (string)
-               cvar_set (string,string)
-               dprint(...[string])
-string ftos(float)
-float  fabs(float)
-string vtos(vector)
-string etos(entity)
-float  stof(...[string])
-entity spawn()
-               remove(entity e)
-entity find(entity start, .string field, string match)
-
-entity findfloat(entity start, .float field, float match)
-entity findentity(entity start, .entity field, entity match)
-
-entity findchain(.string field, string match)
-
-entity findchainfloat(.string field, float match)
-entity findchainentity(.string field, entity match)
-  
-string precache_file(string)
-string precache_sound (string sample)
-               coredump()
-               traceon()
-               traceoff()
-               eprint(entity e)
-float  rint(float)
-float  floor(float)
-float  ceil(float)
-entity nextent(entity)
-float  sin(float)
-float  cos(float)
-float  sqrt(float)
-vector randomvec()
-float  registercvar (string name, string value, float flags)
-float  min(float a, float b, ...[float])
-float  max(float a, float b, ...[float])
-float  bound(float min, float value, float max)
-float  pow(float a, float b)
-               copyentity(entity src, entity dst)
-float  fopen(string filename, float mode)
-               fclose(float fhandle)
-string fgets(float fhandle)
-               fputs(float fhandle, string s)
-float  strlen(string s)
-string strcat(string,string,...[string])
-string substring(string s, float start, float length)
-vector stov(string s)
-string strzone(string s)
-               strunzone(string s)
-float  tokenize(string s)
-string argv(float n)
-float  isserver()
-float  clientcount()
-float  clientstate()
-               clientcommand(float client, string s) (for client and menu)
-               changelevel(string map)
-               localsound(string sample)
-vector getmousepos()
-float  gettime()
-               loadfromdata(string data)
-               loadfromfile(string file)
-float  mod(float val, float m)
-const string   str_cvar (string)
-               crash()
-               stackdump()
-               
-float  search_begin(string pattern, float caseinsensitive, float quiet)
-void   search_end(float handle)
-float  search_getsize(float handle)
-string search_getfilename(float handle, float num)
-
-string chr(float ascii)
-               
-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 
-===============================
-
-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)
-               
-
-==============================================================================
-menu cmd list:
-===============
-
-               setkeydest(float dest)
-float  getkeydest()
-               setmousetarget(float target)
-float  getmousetarget(void)
-
-               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  gethostcachevalue(float type)
-string gethostcachestring(float type, float hostnr)
-
-
-*/
-
-#include "quakedef.h"
-#include "progdefs.h"
-#include "clprogdefs.h"
-#include "mprogdefs.h"
-
-//============================================================================
-// nice helper macros
-
-#ifndef VM_NOPARMCHECK
-#define VM_SAFEPARMCOUNT(p,f)  if(prog->argc != p) PRVM_ERROR(#f " wrong parameter count (" #p " expected ) !\n")
-#else
-#define VM_SAFEPARMCOUNT(p,f)
-#endif
-
-#define        VM_RETURN_EDICT(e)              (((int *)prog->globals)[OFS_RETURN] = PRVM_EDICT_TO_PROG(e))
-
-#define VM_STRINGS_MEMPOOL             vm_strings_mempool[PRVM_GetProgNr()]
-
-#define e10 0,0,0,0,0,0,0,0,0,0
-#define e100 e10,e10,e10,e10,e10,e10,e10,e10,e10,e10
-#define e1000 e100,e100,e100,e100,e100,e100,e100,e100,e100,e100
+#include "prvm_cmds.h"
 
 //============================================================================
 // Common
 
-// string zone mempool
-mempool_t *vm_strings_mempool[PRVM_MAXPROGS];
-
 // temp string handling
 // LordHavoc: added this to semi-fix the problem of using many ftos calls in a print
-#define VM_STRINGTEMP_BUFFERS 16
-#define VM_STRINGTEMP_LENGTH 4096
 static char vm_string_temp[VM_STRINGTEMP_BUFFERS][VM_STRINGTEMP_LENGTH];
 static int vm_string_tempindex = 0;
 
-// qc cvar 
-#define MAX_QC_CVARS 128 * PRVM_MAXPROGS
-cvar_t vm_qc_cvar[MAX_QC_CVARS];
-int vm_currentqc_cvar;
-
 // qc file handling
 #define MAX_VMFILES            256
 #define MAX_PRVMFILES  MAX_VMFILES * PRVM_MAXPROGS
@@ -199,7 +28,7 @@ qfile_t *vm_files[MAX_PRVMFILES];
 
 fssearch_t *vm_fssearchlist[TOTAL_VMSEARCHES];
 
-static char *VM_GetTempString(void)
+char *VM_GetTempString(void)
 {
        char *s;
        s = vm_string_temp[vm_string_tempindex];
@@ -207,7 +36,7 @@ static char *VM_GetTempString(void)
        return s;
 }
 
-void VM_CheckEmptyString (char *s)
+void VM_CheckEmptyString (const char *s)
 {
        if (s[0] <= ' ')
                PRVM_ERROR ("%s: Bad string", PRVM_NAME);
@@ -243,11 +72,11 @@ checkextension(extensionname)
 */
 
 // kind of helper function
-static qboolean checkextension(char *name)
+static qboolean checkextension(const char *name)
 {
        int len;
        char *e, *start;
-       len = strlen(name);
+       len = (int)strlen(name);
 
        for (e = prog->extensionstring;*e;e++)
        {
@@ -258,11 +87,8 @@ static qboolean checkextension(char *name)
                start = e;
                while (*e && *e != ' ')
                        e++;
-               if (e - start == len)
-                       if (!strncasecmp(start, name, len))
-                       {
-                               return true;
-                       }
+               if ((e - start) == len && !strncasecmp(start, name, len))
+                       return true;
        }
        return false;
 }
@@ -391,10 +217,8 @@ void VM_sprint (void)
                Con_Printf("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);
@@ -428,24 +252,20 @@ 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));
 }
@@ -459,17 +279,8 @@ 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));
 }
 
 /*
@@ -541,7 +352,7 @@ 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;
        }
@@ -562,13 +373,9 @@ float random()
 */
 void VM_random (void)
 {
-       float           num;
-
        VM_SAFEPARMCOUNT(0,VM_random);
 
-       num = (rand ()&0x7fff) / ((float)0x7fff);
-
-       PRVM_G_FLOAT(OFS_RETURN) = num;
+       PRVM_G_FLOAT(OFS_RETURN) = lhrandom(0, 1);
 }
 
 /*
@@ -591,15 +398,15 @@ void PF_sound (void)
 {
        char            *sample;
        int                     channel;
-       edict_t         *entity;
+       prvm_edict_t            *entity;
        int             volume;
        float attenuation;
 
-       entity = G_EDICT(OFS_PARM0);
-       channel = G_FLOAT(OFS_PARM1);
-       sample = G_STRING(OFS_PARM2);
-       volume = G_FLOAT(OFS_PARM3) * 255;
-       attenuation = G_FLOAT(OFS_PARM4);
+       entity = PRVM_G_EDICT(OFS_PARM0);
+       channel = PRVM_G_FLOAT(OFS_PARM1);
+       sample = PRVM_G_STRING(OFS_PARM2);
+       volume = PRVM_G_FLOAT(OFS_PARM3) * 255;
+       attenuation = PRVM_G_FLOAT(OFS_PARM4);
 
        if (volume < 0 || volume > 255)
                Host_Error ("SV_StartSound: volume = %i", volume);
@@ -623,20 +430,19 @@ localsound(string sample)
 */
 void VM_localsound(void)
 {
-       char *s;
-       
+       const char *s;
+
        VM_SAFEPARMCOUNT(1,VM_localsound);
 
        s = PRVM_G_STRING(OFS_PARM0);
 
-       if(!S_GetCached(s, true))
+       if(!S_LocalSound (s))
        {
-               Con_Printf("VM_localsound: %s : %s not cached !\n", PRVM_NAME, s);
+               Con_Printf("VM_localsound: Failed to play %s for %s !\n", s, PRVM_NAME);
                PRVM_G_FLOAT(OFS_RETURN) = -4;
                return;
-       }               
+       }
 
-       S_LocalSound(s, true);
        PRVM_G_FLOAT(OFS_RETURN) = 1;
 }
 
@@ -687,33 +493,64 @@ void VM_cvar (void)
 
 /*
 =================
-VM_str_cvar
+VM_cvar_string
 
-const string   str_cvar (string)
+const string   VM_cvar_string (string)
 =================
 */
-void VM_str_cvar(void) 
+void VM_cvar_string(void)
 {
-       char *out, *name;
+       char *out;
+       const char *name;
        const char *cvar_string;
-       VM_SAFEPARMCOUNT(1,VM_str_cvar);
+       VM_SAFEPARMCOUNT(1,VM_cvar_string);
 
        name = PRVM_G_STRING(OFS_PARM0);
 
        if(!name)
-               PRVM_ERROR("VM_str_cvar: %s: null string\n", PRVM_NAME);
+               PRVM_ERROR("VM_cvar_string: %s: null string\n", PRVM_NAME);
 
        VM_CheckEmptyString(name);
 
-       out = VM_GetTempString(); 
+       out = VM_GetTempString();
 
        cvar_string = Cvar_VariableString(name);
-       
+
        strcpy(out, cvar_string);
 
-       PRVM_G_INT(OFS_PARM0) = PRVM_SetString(out);
+       PRVM_G_INT(OFS_RETURN) = PRVM_SetEngineString(out);
 }
 
+
+/*
+========================
+VM_cvar_defstring
+
+const string   VM_cvar_defstring (string)
+========================
+*/
+void VM_cvar_defstring (void)
+{
+       char *out;
+       const char *name;
+       const char *cvar_string;
+       VM_SAFEPARMCOUNT(1,VM_cvar_string);
+
+       name = PRVM_G_STRING(OFS_PARM0);
+
+       if(!name)
+               PRVM_ERROR("VM_cvar_defstring: %s: null string\n", PRVM_NAME);
+
+       VM_CheckEmptyString(name);
+
+       out = VM_GetTempString();
+
+       cvar_string = Cvar_VariableDefString(name);
+
+       strcpy(out, cvar_string);
+
+       PRVM_G_INT(OFS_RETURN) = PRVM_SetEngineString(out);
+}
 /*
 =================
 VM_cvar_set
@@ -741,7 +578,11 @@ void VM_dprint (void)
        if (developer.integer)
        {
                VM_VarString(0, string, sizeof(string));
+#if 1
+               Con_Printf("%s", string);
+#else
                Con_Printf("%s: %s", PRVM_NAME, string);
+#endif
        }
 }
 
@@ -767,7 +608,7 @@ void VM_ftos (void)
                sprintf(s, "%i", (int)v);
        else
                sprintf(s, "%f", v);
-       PRVM_G_INT(OFS_RETURN) = PRVM_SetString(s);
+       PRVM_G_INT(OFS_RETURN) = PRVM_SetEngineString(s);
 }
 
 /*
@@ -804,7 +645,7 @@ void VM_vtos (void)
 
        s = VM_GetTempString();
        sprintf (s, "'%5.1f %5.1f %5.1f'", PRVM_G_VECTOR(OFS_PARM0)[0], PRVM_G_VECTOR(OFS_PARM0)[1], PRVM_G_VECTOR(OFS_PARM0)[2]);
-       PRVM_G_INT(OFS_RETURN) = PRVM_SetString(s);
+       PRVM_G_INT(OFS_RETURN) = PRVM_SetEngineString(s);
 }
 
 /*
@@ -823,7 +664,7 @@ void VM_etos (void)
 
        s = VM_GetTempString();
        sprintf (s, "entity %i", PRVM_G_EDICTNUM(OFS_PARM0));
-       PRVM_G_INT(OFS_RETURN) = PRVM_SetString(s);
+       PRVM_G_INT(OFS_RETURN) = PRVM_SetEngineString(s);
 }
 
 /*
@@ -841,6 +682,38 @@ void VM_stof(void)
 }
 
 /*
+========================
+VM_itof
+
+float itof(intt ent)
+========================
+*/
+void VM_itof(void)
+{
+       VM_SAFEPARMCOUNT(1, VM_itof);
+       PRVM_G_FLOAT(OFS_RETURN) = PRVM_G_INT(OFS_PARM0);
+}
+
+/*
+========================
+VM_itoe
+
+intt ftoi(float num)
+========================
+*/
+void VM_ftoi(void)
+{
+       int ent;
+       VM_SAFEPARMCOUNT(1, VM_ftoi);
+
+       ent = PRVM_G_FLOAT(OFS_PARM0);
+       if(PRVM_PROG_TO_EDICT(ent)->priv.required->free)
+               PRVM_ERROR ("VM_ftoe: %s tried to access a freed entity (entity %i)!\n", PRVM_NAME, ent);
+
+       PRVM_G_INT(OFS_RETURN) = ent;
+}
+
+/*
 =========
 VM_spawn
 
@@ -872,11 +745,17 @@ void VM_remove (void)
        VM_SAFEPARMCOUNT(1, VM_remove);
 
        ed = PRVM_G_EDICT(OFS_PARM0);
+       if( PRVM_NUM_FOR_EDICT(ed) <= prog->reserved_edicts ) {
+               Con_DPrint( "VM_remove: tried to remove the null entity or a reserved entity!\n" );
+       } else if( ed->priv.required->free ) {
+               Con_DPrint( "VM_remove: tried to remove an already freed entity!\n" );
+       } else {
+               PRVM_ED_Free (ed);
+       }
 //     if (ed == prog->edicts)
 //             PRVM_ERROR ("remove: tried to remove world\n");
 //     if (PRVM_NUM_FOR_EDICT(ed) <= sv.maxclients)
 //             Host_Error("remove: tried to remove a client\n");
-       PRVM_ED_Free (ed);
 }
 
 /*
@@ -891,7 +770,7 @@ void VM_find (void)
 {
        int             e;
        int             f;
-       char    *s, *t;
+       const char      *s, *t;
        prvm_edict_t    *ed;
 
        VM_SAFEPARMCOUNT(3,VM_find);
@@ -911,7 +790,7 @@ void VM_find (void)
        {
                prog->xfunction->builtinsprofile++;
                ed = PRVM_EDICT_NUM(e);
-               if (ed->e->free)
+               if (ed->priv.required->free)
                        continue;
                t = PRVM_E_STRING(ed,f);
                if (!t)
@@ -952,7 +831,7 @@ void VM_findfloat (void)
        {
                prog->xfunction->builtinsprofile++;
                ed = PRVM_EDICT_NUM(e);
-               if (ed->e->free)
+               if (ed->priv.required->free)
                        continue;
                if (PRVM_E_FLOAT(ed,f) == s)
                {
@@ -971,7 +850,6 @@ VM_findchain
 entity findchain(.string field, string match)
 =========
 */
-int PRVM_ED_FindFieldOffset(const char *field);
 // chained search for strings in entity fields
 // entity(.string field, string match) findchain = #402;
 void VM_findchain (void)
@@ -979,7 +857,7 @@ void VM_findchain (void)
        int             i;
        int             f;
        int             chain_of;
-       char    *s, *t;
+       const char      *s, *t;
        prvm_edict_t    *ent, *chain;
 
        VM_SAFEPARMCOUNT(2,VM_findchain);
@@ -988,7 +866,7 @@ void VM_findchain (void)
        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");
+       chain_of = PRVM_ED_FindField("chain")->ofs;
 
        chain = prog->edicts;
 
@@ -1004,7 +882,7 @@ void VM_findchain (void)
        for (i = 1;i < prog->num_edicts;i++, ent = PRVM_NEXT_EDICT(ent))
        {
                prog->xfunction->builtinsprofile++;
-               if (ent->e->free)
+               if (ent->priv.required->free)
                        continue;
                t = PRVM_E_STRING(ent,f);
                if (!t)
@@ -1012,7 +890,7 @@ void VM_findchain (void)
                if (strcmp(t,s))
                        continue;
 
-               PRVM_E_FLOAT(ent,chain_of) = PRVM_NUM_FOR_EDICT(chain);
+               PRVM_E_INT(ent,chain_of) = PRVM_NUM_FOR_EDICT(chain);
                chain = ent;
        }
 
@@ -1042,7 +920,7 @@ void VM_findchainfloat (void)
        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");
+       chain_of = PRVM_ED_FindField("chain")->ofs;
 
        chain = (prvm_edict_t *)prog->edicts;
 
@@ -1053,12 +931,12 @@ void VM_findchainfloat (void)
        for (i = 1;i < prog->num_edicts;i++, ent = PRVM_NEXT_EDICT(ent))
        {
                prog->xfunction->builtinsprofile++;
-               if (ent->e->free)
+               if (ent->priv.required->free)
                        continue;
-               if (E_FLOAT(ent,f) != s)
+               if (PRVM_E_FLOAT(ent,f) != s)
                        continue;
 
-               PRVM_E_FLOAT(ent,chain_of) = PRVM_NUM_FOR_EDICT(chain);
+               PRVM_E_INT(ent,chain_of) = PRVM_EDICT_TO_PROG(chain);
                chain = ent;
        }
 
@@ -1066,57 +944,85 @@ void VM_findchainfloat (void)
 }
 
 /*
-=========
-VM_precache_file
+========================
+VM_findflags
 
-string precache_file(string)
-=========
+entity findflags(entity start, .float field, float match)
+========================
 */
-void VM_precache_file (void)
-{      // precache_file is only used to copy files with qcc, it does nothing
-       VM_SAFEPARMCOUNT(1,VM_precache_file);
+// LordHavoc: search for flags in float fields
+void VM_findflags (void)
+{
+       int             e;
+       int             f;
+       int             s;
+       prvm_edict_t    *ed;
 
-       PRVM_G_INT(OFS_RETURN) = PRVM_G_INT(OFS_PARM0);
-}
+       VM_SAFEPARMCOUNT(3, VM_findflags);
 
-/*
-=========
-VM_preache_error
 
-used instead of the other VM_precache_* functions in the builtin list
-=========
-*/
+       e = PRVM_G_EDICTNUM(OFS_PARM0);
+       f = PRVM_G_INT(OFS_PARM1);
+       s = (int)PRVM_G_FLOAT(OFS_PARM2);
 
-void VM_precache_error (void)
-{
-       PRVM_ERROR ("PF_Precache_*: Precache can only be done in spawn functions");
+       for (e++ ; e < prog->num_edicts ; e++)
+       {
+               prog->xfunction->builtinsprofile++;
+               ed = PRVM_EDICT_NUM(e);
+               if (ed->priv.required->free)
+                       continue;
+               if ((int)PRVM_E_FLOAT(ed,f) & s)
+               {
+                       VM_RETURN_EDICT(ed);
+                       return;
+               }
+       }
+
+       VM_RETURN_EDICT(prog->edicts);
 }
 
 /*
-=========
-VM_precache_sound
+========================
+VM_findchainflags
 
-string precache_sound (string sample)
-=========
+entity findchainflags(.float field, float match)
+========================
 */
-void VM_precache_sound (void)
+// LordHavoc: chained search for flags in float fields
+void VM_findchainflags (void)
 {
-       char    *s;
+       int             i;
+       int             f;
+       int             s;
+       int             chain_of;
+       prvm_edict_t    *ent, *chain;
 
-       VM_SAFEPARMCOUNT(1, VM_precache_sound);
+       VM_SAFEPARMCOUNT(2, VM_findchainflags);
 
-       s = PRVM_G_STRING(OFS_PARM0);
-       PRVM_G_INT(OFS_RETURN) = PRVM_G_INT(OFS_PARM0);
-       VM_CheckEmptyString (s);
-       
-       if(S_GetCached(s, true))
+       if(!prog->flag & PRVM_FE_CHAIN)
+               PRVM_ERROR("VM_findchainflags: %s doesnt have a chain field !\n", PRVM_NAME);
+
+       chain_of = PRVM_ED_FindField("chain")->ofs;
+
+       chain = (prvm_edict_t *)prog->edicts;
+
+       f = PRVM_G_INT(OFS_PARM0);
+       s = (int)PRVM_G_FLOAT(OFS_PARM1);
+
+       ent = PRVM_NEXT_EDICT(prog->edicts);
+       for (i = 1;i < prog->num_edicts;i++, ent = PRVM_NEXT_EDICT(ent))
        {
-               Con_Printf("VM_precache_sound: %s already cached (%s)\n", s, PRVM_NAME);
-               return;
+               prog->xfunction->builtinsprofile++;
+               if (ent->priv.required->free)
+                       continue;
+               if (!((int)PRVM_E_FLOAT(ent,f) & s))
+                       continue;
+
+               PRVM_E_INT(ent,chain_of) = PRVM_EDICT_TO_PROG(chain);
+               chain = ent;
        }
-       
-       if(!S_PrecacheSound(s,true, true))
-               Con_Printf("VM_precache_sound: Failed to load %s for %s\n", s, PRVM_NAME);
+
+       VM_RETURN_EDICT(chain);
 }
 
 /*
@@ -1158,7 +1064,7 @@ crash()
 =========
 */
 
-void VM_crash(void) 
+void VM_crash(void)
 {
        VM_SAFEPARMCOUNT(0, VM_crash);
 
@@ -1279,7 +1185,7 @@ void VM_nextent (void)
                        return;
                }
                ent = PRVM_EDICT_NUM(i);
-               if (!ent->e->free)
+               if (!ent->priv.required->free)
                {
                        VM_RETURN_EDICT(ent);
                        return;
@@ -1287,98 +1193,6 @@ void VM_nextent (void)
        }
 }
 
-/*
-===============================================================================
-MESSAGE WRITING
-
-used only for client and menu
-severs uses VM_SV_...
-
-Write*(* data, float type, float to)
-
-===============================================================================
-*/
-
-#define        MSG_BROADCAST   0               // unreliable to all
-#define        MSG_ONE                 1               // reliable to one (msg_entity)
-#define        MSG_ALL                 2               // reliable to all
-#define        MSG_INIT                3               // write to the init string
-
-sizebuf_t *VM_WriteDest (void)
-{
-       int             dest;
-       int             destclient;
-
-       if(!sv.active)
-               PRVM_ERROR("VM_WriteDest: game is not server (%s)\n", PRVM_NAME);
-
-       dest = G_FLOAT(OFS_PARM1);
-       switch (dest)
-       {
-       case MSG_BROADCAST:
-               return &sv.datagram;
-
-       case MSG_ONE:
-               destclient = (int) PRVM_G_FLOAT(OFS_PARM2);
-               if (destclient < 0 || destclient >= svs.maxclients || !svs.clients[destclient].active)
-                       PRVM_ERROR("VM_clientcommand: %s: invalid client !\n", PRVM_NAME);
-
-               return &svs.clients[destclient].message;
-
-       case MSG_ALL:
-               return &sv.reliable_datagram;
-
-       case MSG_INIT:
-               return &sv.signon;
-
-       default:
-               PRVM_ERROR ("WriteDest: bad destination");
-               break;
-       }
-
-       return NULL;
-}
-
-void VM_WriteByte (void)
-{
-       MSG_WriteByte (VM_WriteDest(), PRVM_G_FLOAT(OFS_PARM0));
-}
-
-void VM_WriteChar (void)
-{
-       MSG_WriteChar (VM_WriteDest(), PRVM_G_FLOAT(OFS_PARM0));
-}
-
-void VM_WriteShort (void)
-{
-       MSG_WriteShort (VM_WriteDest(), PRVM_G_FLOAT(OFS_PARM0));
-}
-
-void VM_WriteLong (void)
-{
-       MSG_WriteLong (VM_WriteDest(), PRVM_G_FLOAT(OFS_PARM0));
-}
-
-void VM_WriteAngle (void)
-{
-       MSG_WriteAngle (VM_WriteDest(), PRVM_G_FLOAT(OFS_PARM0));
-}
-
-void VM_WriteCoord (void)
-{
-       MSG_WriteDPCoord (VM_WriteDest(), PRVM_G_FLOAT(OFS_PARM0));
-}
-
-void VM_WriteString (void)
-{
-       MSG_WriteString (VM_WriteDest(), PRVM_G_STRING(OFS_PARM0));
-}
-
-void VM_WriteEntity (void)
-{
-       MSG_WriteShort (VM_WriteDest(), PRVM_G_EDICTNUM(OFS_PARM0));
-}
-
 //=============================================================================
 
 /*
@@ -1391,13 +1205,13 @@ changelevel(string map)
 */
 void VM_changelevel (void)
 {
-       char    *s;
+       const char      *s;
 
        VM_SAFEPARMCOUNT(1, VM_changelevel);
 
        if(!sv.active)
        {
-               Con_Printf("VM_changelevel: game is not server (%s)\n", PRVM_NAME); 
+               Con_Printf("VM_changelevel: game is not server (%s)\n", PRVM_NAME);
                return;
        }
 
@@ -1406,7 +1220,7 @@ void VM_changelevel (void)
                return;
        svs.changelevel_issued = true;
 
-       s = G_STRING(OFS_PARM0);
+       s = PRVM_G_STRING(OFS_PARM0);
        Cbuf_AddText (va("changelevel %s\n",s));
 }
 
@@ -1495,9 +1309,8 @@ float     registercvar (string name, string value, float flags)
 */
 void VM_registercvar (void)
 {
-       char *name, *value;
-       cvar_t *variable;
-       int     flags;  
+       const char *name, *value;
+       int     flags;
 
        VM_SAFEPARMCOUNT(3,VM_registercvar);
 
@@ -1520,19 +1333,8 @@ void VM_registercvar (void)
                return;
        }
 
-       if (vm_currentqc_cvar >= MAX_QC_CVARS)
-               PRVM_ERROR ("VM_registercvar: ran out of cvar slots (%i)\n", MAX_QC_CVARS);
+       Cvar_Get(name, value, flags);
 
-// copy the name and value
-       variable = &vm_qc_cvar[vm_currentqc_cvar++];
-       variable->flags = flags;
-       variable->name = Z_Malloc (strlen(name)+1);
-       strcpy (variable->name, name);
-       variable->string = Z_Malloc (strlen(value)+1);
-       strcpy (variable->string, value);
-       variable->value = atof (value);
-
-       Cvar_RegisterVariable(variable);
        PRVM_G_FLOAT(OFS_RETURN) = 1; // success
 }
 
@@ -1584,7 +1386,7 @@ void VM_max (void)
                for (i = 1;i < prog->argc;i++)
                        if (PRVM_G_FLOAT((OFS_PARM0+i*3)) > f)
                                f = PRVM_G_FLOAT((OFS_PARM0+i*3));
-               G_FLOAT(OFS_RETURN) = f;
+               PRVM_G_FLOAT(OFS_RETURN) = f;
        }
        else
                PRVM_ERROR("VM_max: %s must supply at least 2 floats\n", PRVM_NAME);
@@ -1635,7 +1437,7 @@ void VM_copyentity (void)
        VM_SAFEPARMCOUNT(2,VM_copyentity);
        in = PRVM_G_EDICT(OFS_PARM0);
        out = PRVM_G_EDICT(OFS_PARM1);
-       memcpy(out->v, in->v, prog->progs->entityfields * 4);
+       memcpy(out->fields.vp, in->fields.vp, prog->progs->entityfields * 4);
 }
 
 /*
@@ -1651,10 +1453,10 @@ setcolor(clientent, value)
 {
        client_t *client;
        int entnum, i;
-       eval_t *val;
+       prvm_eval_t *val;
 
-       entnum = G_EDICTNUM(OFS_PARM0);
-       i = G_FLOAT(OFS_PARM1);
+       entnum = PRVM_G_EDICTNUM(OFS_PARM0);
+       i = PRVM_G_FLOAT(OFS_PARM1);
 
        if (entnum < 1 || entnum > svs.maxclients || !svs.clients[entnum-1].active)
        {
@@ -1663,11 +1465,11 @@ setcolor(clientent, value)
        }
 
        client = svs.clients + entnum-1;
-       if ((val = GETEDICTFIELDVALUE(client->edict, eval_clientcolors)))
+       if ((val = PRVM_GETEDICTFIELDVALUE(client->edict, eval_clientcolors)))
                val->_float = i;
        client->colors = i;
        client->old_colors = i;
-       client->edict->v->team = (i & 15) + 1;
+       client->edict->fields.server->team = (i & 15) + 1;
 
        MSG_WriteByte (&sv.reliable_datagram, svc_updatecolors);
        MSG_WriteByte (&sv.reliable_datagram, entnum - 1);
@@ -1691,6 +1493,21 @@ void VM_Files_CloseAll(void)
        memset(VM_FILES,0,sizeof(qfile_t*[MAX_VMFILES])); // this should be faster (is it ?)
 }
 
+qfile_t *VM_GetFileHandle( int index )
+{
+       if (index < 0 || index >= MAX_VMFILES)
+       {
+               Con_Printf("VM_GetFileHandle: invalid file handle %i used in %s\n", index, PRVM_NAME);
+               return NULL;
+       }
+       if (VM_FILES[index] == NULL)
+       {
+               Con_Printf("VM_GetFileHandle: no such file handle %i (or file has been closed) in %s\n", index, PRVM_NAME);
+               return NULL;
+       }
+       return VM_FILES[index];
+}
+
 /*
 =========
 VM_fopen
@@ -1704,7 +1521,7 @@ float     fopen(string filename, float mode)
 void VM_fopen(void)
 {
        int filenum, mode;
-       char *modestring, *filename;
+       const char *modestring, *filename;
 
        VM_SAFEPARMCOUNT(2,VM_fopen);
 
@@ -1730,29 +1547,28 @@ 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);
+               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;
                return;
        }
        filename = PRVM_G_STRING(OFS_PARM0);
-       // .. is parent directory on many platforms
-       // / is parent directory on Amiga
-       // : is root of drive on Amiga (also used as a directory separator on Mac, but / works there too, so that's a bad idea)
-       // \ is a windows-ism (so it's naughty to use it, / works on all platforms)
-       if ((filename[0] == '.' && filename[1] == '.') || filename[0] == '/' || strrchr(filename, ':') || strrchr(filename, '\\'))
-       {
-               Con_Printf("VM_fopen: %s dangerous or non-portable filename \"%s\" not allowed. (contains : or \\ or begins with .. or /)\n", PRVM_NAME, filename);
-               PRVM_G_FLOAT(OFS_RETURN) = -4;
-               return;
-       }
-       VM_FILES[filenum] = FS_Open(va("data/%s", filename), modestring, false);
+
+       VM_FILES[filenum] = FS_Open(va("data/%s", filename), modestring, false, false);
        if (VM_FILES[filenum] == NULL && mode == 0)
-               VM_FILES[filenum] = FS_Open(va("%s", filename), modestring, false);
+               VM_FILES[filenum] = FS_Open(va("%s", filename), modestring, false, false);
 
        if (VM_FILES[filenum] == NULL)
+       {
+               if (developer.integer)
+                       Con_Printf("VM_fopen: %s: %s mode %s failed\n", PRVM_NAME, filename, modestring);
                PRVM_G_FLOAT(OFS_RETURN) = -1;
+       }
        else
+       {
+               if (developer.integer)
+                       Con_Printf("VM_fopen: %s: %s mode %s opened as #%i\n", PRVM_NAME, filename, modestring, filenum);
                PRVM_G_FLOAT(OFS_RETURN) = filenum;
+       }
 }
 
 /*
@@ -1780,6 +1596,8 @@ void VM_fclose(void)
                Con_Printf("VM_fclose: no such file handle %i (or file has been closed) in %s\n", filenum, PRVM_NAME);
                return;
        }
+       if (developer.integer)
+               Con_Printf("VM_fclose: %s: #%i closed\n", PRVM_NAME, filenum);
        FS_Close(VM_FILES[filenum]);
        VM_FILES[filenum] = NULL;
 }
@@ -1823,11 +1641,15 @@ void VM_fgets(void)
        string[end] = 0;
        // remove \n following \r
        if (c == '\r')
+       {
                c = FS_Getc(VM_FILES[filenum]);
-       if (developer.integer)
+               if (c != '\n')
+                       FS_UnGetc(VM_FILES[filenum], (unsigned char)c);
+       }
+       if (developer.integer >= 3)
                Con_Printf("fgets: %s: %s\n", PRVM_NAME, string);
-       if (c >= 0)
-               PRVM_G_INT(OFS_RETURN) = PRVM_SetString(string);
+       if (c >= 0 || end)
+               PRVM_G_INT(OFS_RETURN) = PRVM_SetEngineString(string);
        else
                PRVM_G_INT(OFS_RETURN) = 0;
 }
@@ -1860,7 +1682,7 @@ void VM_fputs(void)
                return;
        }
        VM_VarString(1, string, sizeof(string));
-       if ((stringlength = strlen(string)))
+       if ((stringlength = (int)strlen(string)))
                FS_Write(VM_FILES[filenum], string, stringlength);
        if (developer.integer)
                Con_Printf("fputs: %s: %s\n", PRVM_NAME, string);
@@ -1876,7 +1698,7 @@ float     strlen(string s)
 //float(string s) strlen = #114; // returns how many characters are in a string
 void VM_strlen(void)
 {
-       char *s;
+       const char *s;
 
        VM_SAFEPARMCOUNT(1,VM_strlen);
 
@@ -1901,12 +1723,12 @@ void VM_strcat(void)
 {
        char *s;
 
-       if(prog->argc < 2) 
-               PRVM_ERROR("VM_strcat wrong parameter count (min. 2 expected ) !\n");
-       
+       if(prog->argc < 1)
+               PRVM_ERROR("VM_strcat wrong parameter count (min. 1 expected ) !\n");
+
        s = VM_GetTempString();
        VM_VarString(0, s, VM_STRINGTEMP_LENGTH);
-       PRVM_G_INT(OFS_RETURN) = PRVM_SetString(s);
+       PRVM_G_INT(OFS_RETURN) = PRVM_SetEngineString(s);
 }
 
 /*
@@ -1921,7 +1743,8 @@ string    substring(string s, float start, float length)
 void VM_substring(void)
 {
        int i, start, length;
-       char *s, *string;
+       const char *s;
+       char *string;
 
        VM_SAFEPARMCOUNT(3,VM_substring);
 
@@ -1935,7 +1758,7 @@ void VM_substring(void)
        for (i = 0;i < VM_STRINGTEMP_LENGTH - 1 && *s && i < length;i++, s++)
                string[i] = *s;
        string[i] = 0;
-       PRVM_G_INT(OFS_RETURN) = PRVM_SetString(string);
+       PRVM_G_INT(OFS_RETURN) = PRVM_SetEngineString(string);
 }
 
 /*
@@ -1966,14 +1789,14 @@ string  strzone(string s)
 //string(string s) strzone = #118; // makes a copy of a string into the string zone and returns it, this is often used to keep around a tempstring for longer periods of time (tempstrings are replaced often)
 void VM_strzone(void)
 {
-       char *in, *out;
+       const char *in;
+       char *out;
 
        VM_SAFEPARMCOUNT(1,VM_strzone);
 
        in = PRVM_G_STRING(OFS_PARM0);
-       out = Mem_Alloc(VM_STRINGS_MEMPOOL, strlen(in) + 1);
+       PRVM_G_INT(OFS_RETURN) = PRVM_AllocString(strlen(in) + 1, &out);
        strcpy(out, in);
-       PRVM_G_INT(OFS_RETURN) = PRVM_SetString(out);
 }
 
 /*
@@ -1987,8 +1810,7 @@ strunzone(string s)
 void VM_strunzone(void)
 {
        VM_SAFEPARMCOUNT(1,VM_strunzone);
-
-       Mem_Free(PRVM_G_STRING(OFS_PARM0));
+       PRVM_FreeString(PRVM_G_INT(OFS_PARM0));
 }
 
 /*
@@ -2028,51 +1850,38 @@ VM_tokenize
 float tokenize(string s)
 =========
 */
-//float(string s) tokenize = #441;
-// takes apart a string into individal words (access them with argv), returns how many
-// this function originally written by KrimZon, made shorter by LordHavoc
-static char **tokens = NULL;
-static int    max_tokens, num_tokens = 0;
+//float(string s) tokenize = #441; // takes apart a string into individal words (access them with argv), returns how many
+//this function originally written by KrimZon, made shorter by LordHavoc
+//20040203: rewritten by LordHavoc (no longer uses allocations)
+int num_tokens = 0;
+char *tokens[256], tokenbuf[4096];
 void VM_tokenize (void)
 {
+       size_t pos;
        const char *p;
-       char *str;
 
        VM_SAFEPARMCOUNT(1,VM_tokenize);
 
-       str = PRVM_G_STRING(OFS_PARM0);
-
-       if (tokens != NULL)
-       {
-               int i;
-               for (i=0;i<num_tokens;i++)
-                       Z_Free(tokens[i]);
-               Z_Free(tokens);
-               num_tokens = 0;
-       }
-
-       tokens = Z_Malloc(strlen(str) * sizeof(char *));
-       max_tokens = strlen(str);
+       p = PRVM_G_STRING(OFS_PARM0);
 
-       for (p = str;COM_ParseToken(&p, false) && num_tokens < max_tokens;num_tokens++)
+       num_tokens = 0;
+       pos = 0;
+       while(COM_ParseToken(&p, false))
        {
-               tokens[num_tokens] = Z_Malloc(strlen(com_token) + 1);
-               strcpy(tokens[num_tokens], com_token);
+               if (num_tokens >= (int)(sizeof(tokens)/sizeof(tokens[0])))
+                       break;
+               if (pos + strlen(com_token) + 1 > sizeof(tokenbuf))
+                       break;
+               tokens[num_tokens++] = tokenbuf + pos;
+               strcpy(tokenbuf + pos, com_token);
+               pos += strlen(com_token) + 1;
        }
 
        PRVM_G_FLOAT(OFS_RETURN) = num_tokens;
 }
 
-/*
-=========
-VM_argv
-
-string argv(float n)
-=========
-*/
-//string(float n) argv = #442;
-// returns a word from the tokenized string (returns nothing for an invalid index)
-// this function originally written by KrimZon, made shorter by LordHavoc
+//string(float n) argv = #442; // returns a word from the tokenized string (returns nothing for an invalid index)
+//this function originally written by KrimZon, made shorter by LordHavoc
 void VM_argv (void)
 {
        int token_num;
@@ -2080,52 +1889,54 @@ void VM_argv (void)
        VM_SAFEPARMCOUNT(1,VM_argv);
 
        token_num = PRVM_G_FLOAT(OFS_PARM0);
+
        if (token_num >= 0 && token_num < num_tokens)
-               PRVM_G_INT(OFS_RETURN) = PRVM_SetString(tokens[token_num]);
+               PRVM_G_INT(OFS_RETURN) = PRVM_SetEngineString(tokens[token_num]);
        else
-               PRVM_G_INT(OFS_RETURN) = PRVM_SetString("");
+               PRVM_G_INT(OFS_RETURN) = PRVM_SetEngineString(NULL);
 }
 
 /*
 //void(entity e, entity tagentity, string tagname) setattachment = #443; // attachs e to a tag on tagentity (note: use "" to attach to entity origin/angles instead of a tag)
 void PF_setattachment (void)
 {
-       edict_t *e = G_EDICT(OFS_PARM0);
-       edict_t *tagentity = G_EDICT(OFS_PARM1);
-       char *tagname = G_STRING(OFS_PARM2);
-       eval_t *v;
+       prvm_edict_t *e = PRVM_G_EDICT(OFS_PARM0);
+       prvm_edict_t *tagentity = PRVM_G_EDICT(OFS_PARM1);
+       char *tagname = PRVM_G_STRING(OFS_PARM2);
+       prvm_eval_t *v;
        int i, modelindex;
        model_t *model;
 
        if (tagentity == NULL)
-               tagentity = sv.edicts;
+               tagentity = prog->edicts;
 
-       v = GETEDICTFIELDVALUE(e, eval_tag_entity);
+       v = PRVM_GETEDICTFIELDVALUE(e, eval_tag_entity);
        if (v)
-               v->edict = EDICT_TO_PROG(tagentity);
+               fields.server->edict = PRVM_EDICT_TO_PROG(tagentity);
 
-       v = GETEDICTFIELDVALUE(e, eval_tag_index);
+       v = PRVM_GETEDICTFIELDVALUE(e, eval_tag_index);
        if (v)
-               v->_float = 0;
-       if (tagentity != NULL && tagentity != sv.edicts && tagname && tagname[0])
+               fields.server->_float = 0;
+       if (tagentity != NULL && tagentity != prog->edicts && tagname && tagname[0])
        {
-               modelindex = (int)tagentity->v->modelindex;
+               modelindex = (int)tagentity->fields.server->modelindex;
                if (modelindex >= 0 && modelindex < MAX_MODELS)
                {
                        model = sv.models[modelindex];
-                       if (model->data_overridetagnamesforskin && (unsigned int)tagentity->v->skin < (unsigned int)model->numskins && model->data_overridetagnamesforskin[(unsigned int)tagentity->v->skin].num_overridetagnames)
-                               for (i = 0;i < model->data_overridetagnamesforskin[(unsigned int)tagentity->v->skin].num_overridetagnames;i++)
-                                       if (!strcmp(tagname, model->data_overridetagnamesforskin[(unsigned int)tagentity->v->skin].data_overridetagnames[i].name))
-                                               v->_float = i + 1;
-                       if (v->_float == 0 && model->alias.aliasnum_tags)
-                               for (i = 0;i < model->alias.aliasnum_tags;i++)
-                                       if (!strcmp(tagname, model->alias.aliasdata_tags[i].name))
-                                               v->_float = i + 1;
-                       if (v->_float == 0)
-                               Con_DPrintf("setattachment(edict %i, edict %i, string \"%s\"): tried to find tag named \"%s\" on entity %i (model \"%s\") but could not find it\n", NUM_FOR_EDICT(e), NUM_FOR_EDICT(tagentity), tagname, tagname, NUM_FOR_EDICT(tagentity), model->name);
+                       if (model->data_overridetagnamesforskin && (unsigned int)tagentity->fields.server->skin < (unsigned int)model->numskins && model->data_overridetagnamesforskin[(unsigned int)tagentity->fields.server->skin].num_overridetagnames)
+                               for (i = 0;i < model->data_overridetagnamesforskin[(unsigned int)tagentity->fields.server->skin].num_overridetagnames;i++)
+                                       if (!strcmp(tagname, model->data_overridetagnamesforskin[(unsigned int)tagentity->fields.server->skin].data_overridetagnames[i].name))
+                                               fields.server->_float = i + 1;
+                       // FIXME: use a model function to get tag info (need to handle skeletal)
+                       if (fields.server->_float == 0 && model->num_tags)
+                               for (i = 0;i < model->num_tags;i++)
+                                       if (!strcmp(tagname, model->data_tags[i].name))
+                                               fields.server->_float = i + 1;
+                       if (fields.server->_float == 0)
+                               Con_DPrintf("setattachment(edict %i, edict %i, string \"%s\"): tried to find tag named \"%s\" on entity %i (model \"%s\") but could not find it\n", PRVM_NUM_FOR_EDICT(e), PRVM_NUM_FOR_EDICT(tagentity), tagname, tagname, PRVM_NUM_FOR_EDICT(tagentity), model->name);
                }
                else
-                       Con_DPrintf("setattachment(edict %i, edict %i, string \"%s\"): tried to find tag named \"%s\" on entity %i but it has no model\n", NUM_FOR_EDICT(e), NUM_FOR_EDICT(tagentity), tagname, tagname, NUM_FOR_EDICT(tagentity));
+                       Con_DPrintf("setattachment(edict %i, edict %i, string \"%s\"): tried to find tag named \"%s\" on entity %i but it has no model\n", PRVM_NUM_FOR_EDICT(e), PRVM_NUM_FOR_EDICT(tagentity), tagname, tagname, PRVM_NUM_FOR_EDICT(tagentity));
        }
 }*/
 
@@ -2208,9 +2019,9 @@ void VM_getmousepos(void)
 {
 
        VM_SAFEPARMCOUNT(0,VM_getmousepos);
-       
-       PRVM_G_VECTOR(OFS_RETURN)[0] = in_mouse_x;
-       PRVM_G_VECTOR(OFS_RETURN)[1] = in_mouse_y;
+
+       PRVM_G_VECTOR(OFS_RETURN)[0] = in_mouse_x * vid_conwidth.integer / vid.width;
+       PRVM_G_VECTOR(OFS_RETURN)[1] = in_mouse_y * vid_conheight.integer / vid.height;
        PRVM_G_VECTOR(OFS_RETURN)[2] = 0;
 }
 
@@ -2243,6 +2054,34 @@ void VM_loadfromdata(void)
 }
 
 /*
+========================
+VM_parseentitydata
+
+parseentitydata(entity ent, string data)
+========================
+*/
+void VM_parseentitydata(void)
+{
+       prvm_edict_t *ent;
+       const char *data;
+
+       VM_SAFEPARMCOUNT(2, VM_parseentitydata);
+
+    // get edict and test it
+       ent = PRVM_G_EDICT(OFS_PARM0);
+       if (ent->priv.required->free)
+               PRVM_ERROR ("VM_parseentitydata: %s: Can only set already spawned entities (entity %i is free)!\n", PRVM_NAME, PRVM_NUM_FOR_EDICT(ent));
+
+       data = PRVM_G_STRING(OFS_PARM1);
+
+    // 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 );
+
+       PRVM_ED_ParseEdict (data, ent);
+}
+
+/*
 =========
 VM_loadfromfile
 
@@ -2251,11 +2090,11 @@ loadfromfile(string file)
 */
 void VM_loadfromfile(void)
 {
-       char *filename;
-       qbyte *data;
-       
+       const char *filename;
+       char *data;
+
        VM_SAFEPARMCOUNT(1,VM_loadfromfile);
-       
+
        filename = PRVM_G_STRING(OFS_PARM0);
        // .. is parent directory on many platforms
        // / is parent directory on Amiga
@@ -2269,10 +2108,10 @@ void VM_loadfromfile(void)
        }
 
        // not conform with VM_fopen
-       data = FS_LoadFile(filename, tempmempool, false);
+       data = (char *)FS_LoadFile(filename, tempmempool, false);
        if (data == NULL)
                PRVM_G_FLOAT(OFS_RETURN) = -1;
-       
+
        PRVM_ED_LoadFromFile(data);
 
        if(data)
@@ -2323,7 +2162,7 @@ float search_begin(string pattern, float caseinsensitive, float quiet)
 void VM_search_begin(void)
 {
        int handle;
-       char *pattern;
+       const char *pattern;
        int caseinsens, quiet;
 
        VM_SAFEPARMCOUNT(3, VM_search_begin);
@@ -2334,7 +2173,7 @@ void VM_search_begin(void)
 
        caseinsens = PRVM_G_FLOAT(OFS_PARM1);
        quiet = PRVM_G_FLOAT(OFS_PARM2);
-       
+
        for(handle = 0; handle < MAX_VMSEARCHES; handle++)
                if(!VM_SEARCHLIST[handle])
                        break;
@@ -2365,7 +2204,7 @@ void VM_search_end(void)
        VM_SAFEPARMCOUNT(1, VM_search_end);
 
        handle = PRVM_G_FLOAT(OFS_PARM0);
-       
+
        if(handle < 0 || handle >= MAX_VMSEARCHES)
        {
                Con_Printf("VM_search_end: invalid handle %i used in %s\n", handle, PRVM_NAME);
@@ -2405,7 +2244,7 @@ void VM_search_getsize(void)
                Con_Printf("VM_search_getsize: no such handle %i in %s\n", handle, PRVM_NAME);
                return;
        }
-       
+
        PRVM_G_FLOAT(OFS_RETURN) = VM_SEARCHLIST[handle]->numfilenames;
 }
 
@@ -2440,11 +2279,11 @@ void VM_search_getfilename(void)
                Con_Printf("VM_search_getfilename: invalid filenum %i in %s\n", filenum, PRVM_NAME);
                return;
        }
-       
+
        tmp = VM_GetTempString();
        strcpy(tmp, VM_SEARCHLIST[handle]->filenames[filenum]);
 
-       PRVM_G_INT(OFS_RETURN) = PRVM_SetString(tmp);
+       PRVM_G_INT(OFS_RETURN) = PRVM_SetEngineString(tmp);
 }
 
 /*
@@ -2463,7 +2302,7 @@ void VM_chr(void)
        tmp[0] = (unsigned char) PRVM_G_FLOAT(OFS_PARM0);
        tmp[1] = 0;
 
-       PRVM_G_INT(OFS_RETURN) = PRVM_SetString(tmp);
+       PRVM_G_INT(OFS_RETURN) = PRVM_SetEngineString(tmp);
 }
 
 //=============================================================================
@@ -2480,33 +2319,34 @@ void VM_iscachedpic(void)
 {
        VM_SAFEPARMCOUNT(1,VM_iscachedpic);
 
-       // drawq hasnt such a function, thus always return true 
-       PRVM_G_FLOAT(OFS_RETURN) = TRUE;
+       // drawq hasnt such a function, thus always return true
+       PRVM_G_FLOAT(OFS_RETURN) = false;
 }
 
 /*
 =========
 VM_precache_pic
 
-string precache_pic(string pic) 
+string precache_pic(string pic)
 =========
 */
 void VM_precache_pic(void)
 {
-       char    *s;
-       
+       const char      *s;
+
        VM_SAFEPARMCOUNT(1, VM_precache_pic);
-       
+
        s = PRVM_G_STRING(OFS_PARM0);
        PRVM_G_INT(OFS_RETURN) = PRVM_G_INT(OFS_PARM0);
-       
+
        if(!s)
                PRVM_ERROR ("VM_precache_pic: %s: NULL\n", PRVM_NAME);
 
        VM_CheckEmptyString (s);
-       
-       if(!Draw_CachePic(s))
-               PRVM_G_INT(OFS_RETURN) = PRVM_SetString(""); 
+
+       // AK Draw_CachePic is supposed to always return a valid pointer
+       if( Draw_CachePic(s, false)->tex == r_texture_notexture )
+               PRVM_G_INT(OFS_RETURN) = PRVM_SetEngineString(NULL);
 }
 
 /*
@@ -2518,17 +2358,17 @@ freepic(string s)
 */
 void VM_freepic(void)
 {
-       char *s;
+       const char *s;
 
        VM_SAFEPARMCOUNT(1,VM_freepic);
 
        s = PRVM_G_STRING(OFS_PARM0);
-       
+
        if(!s)
                PRVM_ERROR ("VM_freepic: %s: NULL\n");
-       
+
        VM_CheckEmptyString (s);
-       
+
        Draw_FreePic(s);
 }
 
@@ -2553,21 +2393,21 @@ void VM_drawcharacter(void)
                PRVM_G_FLOAT(OFS_RETURN) = -1;
                return;
        }
-       
+
        pos = PRVM_G_VECTOR(OFS_PARM0);
        scale = PRVM_G_VECTOR(OFS_PARM2);
        rgb = PRVM_G_VECTOR(OFS_PARM3);
        flag = (int)PRVM_G_FLOAT(OFS_PARM5);
-       
+
        if(flag < DRAWFLAG_NORMAL || flag >=DRAWFLAG_NUMFLAGS)
        {
                Con_Printf("VM_drawcharacter: %s: wrong DRAWFLAG %i !\n",PRVM_NAME,flag);
                PRVM_G_FLOAT(OFS_RETURN) = -2;
                return;
        }
-       
+
        if(pos[2] || scale[2])
-               Con_Printf("VM_drawcharacter: z value%c from %s discarded\n",(pos[2] && scale[2]) ? 's' : 0,((pos[2] && scale[2]) ? "pos and scale" : (pos[2] ? "pos" : "scale"))); 
+               Con_Printf("VM_drawcharacter: z value%c from %s discarded\n",(pos[2] && scale[2]) ? 's' : 0,((pos[2] && scale[2]) ? "pos and scale" : (pos[2] ? "pos" : "scale")));
 
        if(!scale[0] || !scale[1])
        {
@@ -2578,7 +2418,7 @@ void VM_drawcharacter(void)
 
        DrawQ_String (pos[0], pos[1], &character, 1, scale[0], scale[1], rgb[0], rgb[1], rgb[2], PRVM_G_FLOAT(OFS_PARM4), flag);
        PRVM_G_FLOAT(OFS_RETURN) = 1;
-}      
+}
 
 /*
 =========
@@ -2590,10 +2430,10 @@ float   drawstring(vector position, string text, vector scale, vector rgb, float a
 void VM_drawstring(void)
 {
        float *pos,*scale,*rgb;
-       char  *string;
+       const char  *string;
        int flag;
        VM_SAFEPARMCOUNT(6,VM_drawstring);
-       
+
        string = PRVM_G_STRING(OFS_PARM1);
        if(!string)
        {
@@ -2601,21 +2441,21 @@ void VM_drawstring(void)
                PRVM_G_FLOAT(OFS_RETURN) = -1;
                return;
        }
-       
-       VM_CheckEmptyString(string);
-       
+
+       //VM_CheckEmptyString(string); Why should it be checked - perhaps the menu wants to support the precolored letters, too?
+
        pos = PRVM_G_VECTOR(OFS_PARM0);
        scale = PRVM_G_VECTOR(OFS_PARM2);
        rgb = PRVM_G_VECTOR(OFS_PARM3);
        flag = (int)PRVM_G_FLOAT(OFS_PARM5);
-       
+
        if(flag < DRAWFLAG_NORMAL || flag >=DRAWFLAG_NUMFLAGS)
        {
                Con_Printf("VM_drawstring: %s: wrong DRAWFLAG %i !\n",PRVM_NAME,flag);
                PRVM_G_FLOAT(OFS_RETURN) = -2;
                return;
        }
-       
+
        if(!scale[0] || !scale[1])
        {
                Con_Printf("VM_drawstring: scale %s is null !\n", (scale[0] == 0) ? ((scale[1] == 0) ? "x and y" : "x") : "y");
@@ -2624,8 +2464,8 @@ void VM_drawstring(void)
        }
 
        if(pos[2] || scale[2])
-               Con_Printf("VM_drawstring: z value%c from %s discarded\n",(pos[2] && scale[2]) ? 's' : 0,((pos[2] && scale[2]) ? "pos and scale" : (pos[2] ? "pos" : "scale"))); 
-       
+               Con_Printf("VM_drawstring: z value%c from %s discarded\n",(pos[2] && scale[2]) ? 's' : 0,((pos[2] && scale[2]) ? "pos and scale" : (pos[2] ? "pos" : "scale")));
+
        DrawQ_String (pos[0], pos[1], string, 0, scale[0], scale[1], rgb[0], rgb[1], rgb[2], PRVM_G_FLOAT(OFS_PARM4), flag);
        PRVM_G_FLOAT(OFS_RETURN) = 1;
 }
@@ -2638,7 +2478,7 @@ float     drawpic(vector position, string pic, vector size, vector rgb, float alpha,
 */
 void VM_drawpic(void)
 {
-       char *pic;
+       const char *pic;
        float *size, *pos, *rgb;
        int flag;
 
@@ -2649,7 +2489,7 @@ void VM_drawpic(void)
        if(!pic)
        {
                Con_Printf("VM_drawpic: %s passed null picture name !\n", PRVM_NAME);
-               PRVM_G_FLOAT(OFS_RETURN) = -1;  
+               PRVM_G_FLOAT(OFS_RETURN) = -1;
                return;
        }
 
@@ -2662,7 +2502,7 @@ void VM_drawpic(void)
                PRVM_G_FLOAT(OFS_RETURN) = -4;
                return;
        }
-       
+
        pos = PRVM_G_VECTOR(OFS_PARM0);
        size = PRVM_G_VECTOR(OFS_PARM2);
        rgb = PRVM_G_VECTOR(OFS_PARM3);
@@ -2676,8 +2516,8 @@ void VM_drawpic(void)
        }
 
        if(pos[2] || size[2])
-               Con_Printf("VM_drawstring: z value%c from %s discarded\n",(pos[2] && size[2]) ? 's' : 0,((pos[2] && size[2]) ? "pos and size" : (pos[2] ? "pos" : "size"))); 
-       
+               Con_Printf("VM_drawstring: z value%c from %s discarded\n",(pos[2] && size[2]) ? 's' : 0,((pos[2] && size[2]) ? "pos and size" : (pos[2] ? "pos" : "size")));
+
        DrawQ_Pic(pos[0], pos[1], pic, size[0], size[1], rgb[0], rgb[1], rgb[2], PRVM_G_FLOAT(OFS_PARM4), flag);
        PRVM_G_FLOAT(OFS_RETURN) = 1;
 }
@@ -2693,25 +2533,25 @@ void VM_drawfill(void)
 {
        float *size, *pos, *rgb;
        int flag;
-       
+
        VM_SAFEPARMCOUNT(5,VM_drawfill);
-       
-       
+
+
        pos = PRVM_G_VECTOR(OFS_PARM0);
        size = PRVM_G_VECTOR(OFS_PARM1);
        rgb = PRVM_G_VECTOR(OFS_PARM2);
        flag = (int) PRVM_G_FLOAT(OFS_PARM4);
-       
+
        if(flag < DRAWFLAG_NORMAL || flag >=DRAWFLAG_NUMFLAGS)
        {
                Con_Printf("VM_drawstring: %s: wrong DRAWFLAG %i !\n",PRVM_NAME,flag);
                PRVM_G_FLOAT(OFS_RETURN) = -2;
                return;
        }
-       
+
        if(pos[2] || size[2])
-               Con_Printf("VM_drawstring: z value%c from %s discarded\n",(pos[2] && size[2]) ? 's' : 0,((pos[2] && size[2]) ? "pos and size" : (pos[2] ? "pos" : "size"))); 
-       
+               Con_Printf("VM_drawstring: z value%c from %s discarded\n",(pos[2] && size[2]) ? 's' : 0,((pos[2] && size[2]) ? "pos and size" : (pos[2] ? "pos" : "size")));
+
        DrawQ_Pic(pos[0], pos[1], 0, size[0], size[1], rgb[0], rgb[1], rgb[2], PRVM_G_FLOAT(OFS_PARM3), flag);
        PRVM_G_FLOAT(OFS_RETURN) = 1;
 }
@@ -2728,12 +2568,12 @@ void VM_drawsetcliparea(void)
        float x,y,w,h;
        VM_SAFEPARMCOUNT(4,VM_drawsetcliparea);
 
-       x = bound(0,PRVM_G_FLOAT(OFS_PARM0),vid.conwidth);
-       y = bound(0,PRVM_G_FLOAT(OFS_PARM1),vid.conheight);
-       w = bound(0,PRVM_G_FLOAT(OFS_PARM2),(vid.conwidth  - x));
-       h = bound(0,PRVM_G_FLOAT(OFS_PARM3),(vid.conheight - y)); 
+       x = bound(0, PRVM_G_FLOAT(OFS_PARM0), vid_conwidth.integer);
+       y = bound(0, PRVM_G_FLOAT(OFS_PARM1), vid_conheight.integer);
+       w = bound(0, PRVM_G_FLOAT(OFS_PARM2) + PRVM_G_FLOAT(OFS_PARM0) - x, (vid_conwidth.integer  - x));
+       h = bound(0, PRVM_G_FLOAT(OFS_PARM3) + PRVM_G_FLOAT(OFS_PARM1) - y, (vid_conheight.integer - y));
 
-       DrawQ_SetClipArea(x,y,w,h);
+       DrawQ_SetClipArea(x, y, w, h);
 }
 
 /*
@@ -2759,609 +2599,361 @@ vector        getimagesize(string pic)
 */
 void VM_getimagesize(void)
 {
-       char *p;
+       const char *p;
        cachepic_t *pic;
 
        VM_SAFEPARMCOUNT(1,VM_getimagesize);
-       
+
        p = PRVM_G_STRING(OFS_PARM0);
 
        if(!p)
                PRVM_ERROR("VM_getimagepos: %s passed null picture name !\n", PRVM_NAME);
-       
+
        VM_CheckEmptyString (p);
 
-       pic = Draw_CachePic (p);
+       pic = Draw_CachePic (p, false);
 
        PRVM_G_VECTOR(OFS_RETURN)[0] = pic->width;
        PRVM_G_VECTOR(OFS_RETURN)[1] = pic->height;
        PRVM_G_VECTOR(OFS_RETURN)[2] = 0;
 }
 
-void VM_Cmd_Init(void)
-{
-       // only init the stuff for the current prog
-       VM_STRINGS_MEMPOOL = Mem_AllocPool(va("vm_stringsmempool[%s]",PRVM_NAME), 0, NULL);
-       VM_Files_Init();
-       VM_Search_Init();
-}
+// CL_Video interface functions
 
-void VM_Cmd_Reset(void)
-{
-       //Mem_EmptyPool(VM_STRINGS_MEMPOOL);
-       Mem_FreePool(&VM_STRINGS_MEMPOOL);
-       VM_Search_Reset();
-       VM_Files_CloseAll();
-}
-
-//============================================================================
-// Server
+/*
+========================
+VM_cin_open
 
-char *vm_sv_extensions =
-"";
+float cin_open(string file, string name)
+========================
+*/
+void VM_cin_open( void )
+{
+       const char *file;
+       const char *name;
 
-prvm_builtin_t vm_sv_builtins[] = {
-0  // to be consistent with the old vm
-};
+       VM_SAFEPARMCOUNT( 2, VM_cin_open );
 
-const int vm_sv_numbuiltins = sizeof(vm_sv_builtins) / sizeof(prvm_builtin_t);
+       file = PRVM_G_STRING( OFS_PARM0 );
+       name = PRVM_G_STRING( OFS_PARM1 );
 
-void VM_SV_Cmd_Init(void)
-{
-}
+       VM_CheckEmptyString( file );
+    VM_CheckEmptyString( name );
 
-void VM_SV_Cmd_Reset(void)
-{
+       if( CL_OpenVideo( file, name, MENUOWNER ) )
+               PRVM_G_FLOAT( OFS_RETURN ) = 1;
+       else
+               PRVM_G_FLOAT( OFS_RETURN ) = 0;
 }
 
-//============================================================================
-// Client
+/*
+========================
+VM_cin_close
 
-char *vm_cl_extensions =
-"";
+void cin_close(string name)
+========================
+*/
+void VM_cin_close( void )
+{
+       const char *name;
 
-prvm_builtin_t vm_cl_builtins[] = {
-0  // to be consistent with the old vm
-};
+       VM_SAFEPARMCOUNT( 1, VM_cin_close );
 
-const int vm_cl_numbuiltins = sizeof(vm_cl_builtins) / sizeof(prvm_builtin_t);
+       name = PRVM_G_STRING( OFS_PARM0 );
+       VM_CheckEmptyString( name );
 
-void VM_CL_Cmd_Init(void)
-{
+       CL_CloseVideo( CL_GetVideo( name ) );
 }
 
-void VM_CL_Cmd_Reset(void)
+/*
+========================
+VM_cin_setstate
+void cin_setstate(string name, float type)
+========================
+*/
+void VM_cin_setstate( void )
 {
-}
-
-//============================================================================
-// Menu
+       const char *name;
+       clvideostate_t  state;
+       clvideo_t               *video;
 
-char *vm_m_extensions =
-"";
+       VM_SAFEPARMCOUNT( 2, VM_cin_netstate );
 
-/*
-=========
-VM_M_setmousetarget
+       name = PRVM_G_STRING( OFS_PARM0 );
+       VM_CheckEmptyString( name );
 
-setmousetarget(float target)
-=========
-*/
-void VM_M_setmousetarget(void)
-{
-       VM_SAFEPARMCOUNT(1, VM_M_setmousetarget);
+       state = (clvideostate_t)PRVM_G_FLOAT( OFS_PARM1 );
 
-       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));
-       }
+       video = CL_GetVideo( name );
+       if( video && state > CLVIDEO_UNUSED && state < CLVIDEO_STATECOUNT )
+               CL_SetVideoState( video, state );
 }
 
 /*
-=========
-VM_M_getmousetarget
+========================
+VM_cin_getstate
 
-float  getmousetarget
-=========
+float cin_getstate(string name)
+========================
 */
-void VM_M_getmousetarget(void)
+void VM_cin_getstate( void )
 {
-       VM_SAFEPARMCOUNT(0,VM_M_getmousetarget);
+       const char *name;
+       clvideo_t               *video;
+
+       VM_SAFEPARMCOUNT( 1, VM_cin_getstate );
 
-       if(in_client_mouse)
-               PRVM_G_FLOAT(OFS_RETURN) = 2;
+       name = PRVM_G_STRING( OFS_PARM0 );
+       VM_CheckEmptyString( name );
+
+       video = CL_GetVideo( name );
+       if( video )
+               PRVM_G_FLOAT( OFS_RETURN ) = (int)video->state;
        else
-               PRVM_G_FLOAT(OFS_RETURN) = 1;
+               PRVM_G_FLOAT( OFS_RETURN ) = 0;
 }
-       
-
 
 /*
-=========
-VM_M_setkeydest
+========================
+VM_cin_restart
 
-setkeydest(float dest)
-=========
+void cin_restart(string name)
+========================
 */
-void VM_M_setkeydest(void)
+void VM_cin_restart( void )
 {
-       VM_SAFEPARMCOUNT(1,VM_M_setkeydest);
+       const char *name;
+       clvideo_t               *video;
 
-       switch((int)PRVM_G_FLOAT(OFS_PARM0))
-       {
-       case 0:
-               // key_game
-               key_dest = key_game;
-               break;
-       case 2:
-               // key_menu
-               key_dest = key_menu;
-               break;
-       case 1:
-               // key_message
-               // key_dest = key_message
-               // break;
-       default:
-               PRVM_ERROR("VM_M_setkeydest: wrong destination %i !\n",prog->globals[OFS_PARM0]);
-       }
-}
-
-/*
-=========
-VM_M_getkeydest
+       VM_SAFEPARMCOUNT( 1, VM_cin_restart );
 
-float  getkeydest
-=========
-*/
-void VM_M_getkeydest(void)
-{
-       VM_SAFEPARMCOUNT(0,VM_M_getkeydest);
+       name = PRVM_G_STRING( OFS_PARM0 );
+       VM_CheckEmptyString( name );
 
-       // key_game = 0, key_message = 1, key_menu = 2, unknown = 3
-       switch(key_dest)
-       {
-       case key_game:
-               PRVM_G_FLOAT(OFS_RETURN) = 0;
-               break;
-       case key_menu:
-               PRVM_G_FLOAT(OFS_RETURN) = 2;
-               break;
-       case key_message:
-               // not supported
-               // PRVM_G_FLOAT(OFS_RETURN) = 1;
-               // break;
-       default:
-               PRVM_G_FLOAT(OFS_RETURN) = 3;
-       }
+       video = CL_GetVideo( name );
+       if( video )
+               CL_RestartVideo( video );
 }
 
+////////////////////////////////////////
+// AltString functions
+////////////////////////////////////////
+
 /*
-=========
-VM_M_callfunction
+========================
+VM_altstr_count
 
-       callfunction(...,string function_name)
-=========
+float altstr_count(string)
+========================
 */
-mfunction_t *PRVM_ED_FindFunction (const char *name);
-void VM_M_callfunction(void)
+void VM_altstr_count( void )
 {
-       mfunction_t *func;
-       char *s;
-
-       if(prog->argc == 0)
-               PRVM_ERROR("VM_M_callfunction: 1 parameter is required !\n");
-
-       s = PRVM_G_STRING(OFS_PARM0 + (prog->argc - 1));
-
-       if(!s)
-               PRVM_ERROR("VM_M_callfunction: null string !\n");
+       const char *altstr, *pos;
+       int     count;
 
-       VM_CheckEmptyString(s); 
+       VM_SAFEPARMCOUNT( 1, VM_altstr_count );
 
-       func = PRVM_ED_FindFunction(s);
+       altstr = PRVM_G_STRING( OFS_PARM0 );
+       //VM_CheckEmptyString( altstr );
 
-       if(!func)
-               PRVM_ERROR("VM_M_callfunciton: function %s not found !\n", s);
-       else if (func->first_statement < 0)
-       {
-               // negative statements are built in functions
-               int builtinnumber = -func->first_statement;
-               prog->xfunction->builtinsprofile++;
-               if (builtinnumber < prog->numbuiltins && prog->builtins[builtinnumber])
-                       prog->builtins[builtinnumber]();
-               else
-                       PRVM_ERROR("No such builtin #%i in %s", builtinnumber, PRVM_NAME);
-       }
-       else if(func > 0)
-       {
-               prog->argc--;
-               PRVM_ExecuteProgram(func - prog->functions,"");
-               prog->argc++;
+       for( count = 0, pos = altstr ; *pos ; pos++ ) {
+               if( *pos == '\\' ) {
+                       if( !*++pos ) {
+                               break;
+                       }
+               } else if( *pos == '\'' ) {
+                       count++;
+               }
        }
-}      
-
-/*
-=========
-VM_M_isfunction
 
-float  isfunction(string function_name)
-=========
-*/
-mfunction_t *PRVM_ED_FindFunction (const char *name);
-void VM_M_isfunction(void)
-{
-       mfunction_t *func;
-       char *s;
-       
-       VM_SAFEPARMCOUNT(1, VM_M_isfunction);
-       
-       s = PRVM_G_STRING(OFS_PARM0);
-       
-       if(!s)
-               PRVM_ERROR("VM_M_isfunction: null string !\n");
-       
-       VM_CheckEmptyString(s); 
-       
-       func = PRVM_ED_FindFunction(s);
-
-       if(!func)
-               PRVM_G_FLOAT(OFS_RETURN) = false;
-       else
-               PRVM_G_FLOAT(OFS_RETURN) = true;
+       PRVM_G_FLOAT( OFS_RETURN ) = (float) (count / 2);
 }
 
 /*
-=========
-VM_M_writetofile
+========================
+VM_altstr_prepare
 
-       writetofile(float fhandle, entity ent)
-=========
+string altstr_prepare(string)
+========================
 */
-void VM_M_writetofile(void)
+void VM_altstr_prepare( void )
 {
-       prvm_edict_t * ent;
-       int filenum;
+       char *outstr, *out;
+       const char *instr, *in;
+       int size;
 
-       VM_SAFEPARMCOUNT(2, VM_M_writetofile);
+       VM_SAFEPARMCOUNT( 1, VM_altstr_prepare );
 
-       filenum = PRVM_G_FLOAT(OFS_PARM0);
-       if (filenum < 0 || filenum >= MAX_VMFILES)
-       {
-               Con_Printf("VM_fputs: invalid file handle %i used in %s\n", filenum, PRVM_NAME);
-               return;
-       }
-       if (VM_FILES[filenum] == NULL)
-       {
-               Con_Printf("VM_fputs: no such file handle %i (or file has been closed) in %s\n", filenum, PRVM_NAME);
-               return;
-       }
+       instr = PRVM_G_STRING( OFS_PARM0 );
+       //VM_CheckEmptyString( instr );
+       outstr = VM_GetTempString();
 
-       ent = PRVM_G_EDICT(OFS_PARM1);  
-       if(ent->e->free)
-       {
-               Con_Printf("VM_M_writetofile: %s: entity %i is free !\n", PRVM_NAME, PRVM_EDICT_NUM(OFS_PARM1));
-               return;
-       }
+       for( out = outstr, in = instr, size = VM_STRINGTEMP_LENGTH - 1 ; size && *in ; size--, in++, out++ )
+               if( *in == '\'' ) {
+                       *out++ = '\\';
+                       *out = '\'';
+                       size--;
+               } else
+                       *out = *in;
+       *out = 0;
 
-       PRVM_ED_Write (VM_FILES[filenum], ent);
+       PRVM_G_INT( OFS_RETURN ) = PRVM_SetEngineString( outstr );
 }
 
 /*
-=========
-VM_M_getresolution
+========================
+VM_altstr_get
 
-vector getresolution(float number)
-=========
+string altstr_get(string, float)
+========================
 */
-extern unsigned short video_resolutions[][2];
-void VM_M_getresolution(void)
+void VM_altstr_get( void )
 {
-       int nr;
-       VM_SAFEPARMCOUNT(1, VM_getresolution);
+       const char *altstr, *pos;
+       char *outstr, *out;
+       int count, size;
 
-       nr = PRVM_G_FLOAT(OFS_PARM0);
+       VM_SAFEPARMCOUNT( 2, VM_altstr_get );
 
+       altstr = PRVM_G_STRING( OFS_PARM0 );
+       //VM_CheckEmptyString( altstr );
 
-       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;       
-}
+       count = PRVM_G_FLOAT( OFS_PARM1 );
+       count = count * 2 + 1;
 
-/*
-=========
-VM_M_keynumtostring
+       for( pos = altstr ; *pos && count ; pos++ )
+               if( *pos == '\\' ) {
+                       if( !*++pos )
+                               break;
+               } else if( *pos == '\'' )
+                       count--;
 
-string keynumtostring(float keynum)
-=========
-*/
-void VM_M_keynumtostring(void)
-{
-       int keynum;
-       char *tmp;
-       VM_SAFEPARMCOUNT(1, VM_M_keynumtostring);
-
-       keynum = PRVM_G_FLOAT(OFS_PARM0);
+       if( !*pos ) {
+               PRVM_G_INT( OFS_RETURN ) = PRVM_SetEngineString( NULL );
+               return;
+       }
 
-       tmp = VM_GetTempString();
-       
-       strcpy(tmp, Key_KeynumToString(keynum));
+    outstr = VM_GetTempString();
+       for( out = outstr, size = VM_STRINGTEMP_LENGTH - 1 ; size && *pos ; size--, pos++, out++ )
+               if( *pos == '\\' ) {
+                       if( !*++pos )
+                               break;
+                       *out = *pos;
+                       size--;
+               } else if( *pos == '\'' )
+                       break;
+               else
+                       *out = *pos;
 
-       PRVM_G_INT(OFS_RETURN) = PRVM_SetString(tmp);
+       *out = 0;
+       PRVM_G_INT( OFS_RETURN ) = PRVM_SetEngineString( outstr );
 }
 
 /*
-=========
-VM_M_findkeysforcommand
-
-string findkeysforcommand(string command)
+========================
+VM_altstr_set
 
-the returned string is an altstring
-=========
+string altstr_set(string altstr, float num, string set)
+========================
 */
-#define NUMKEYS 5 // TODO: merge the constant in keys.c with this one somewhen
-
-void M_FindKeysForCommand(char *command, int *keys);
-void VM_M_findkeysforcommand(void)
+void VM_altstr_set( void )
 {
-       char *cmd, *ret;
-       int keys[NUMKEYS];
-       int i;
-
-       VM_SAFEPARMCOUNT(1, VM_M_findkeysforcommand);
+    int num;
+       const char *altstr, *str;
+       const char *in;
+       char *outstr, *out;
 
-       cmd = PRVM_G_STRING(OFS_PARM0);
-       
-       VM_CheckEmptyString(cmd);
+       VM_SAFEPARMCOUNT( 3, VM_altstr_set );
 
-       (ret = VM_GetTempString())[0] = 0;
-       
-       M_FindKeysForCommand(cmd, keys);
+       altstr = PRVM_G_STRING( OFS_PARM0 );
+       //VM_CheckEmptyString( altstr );
 
-       for(i = 0; i < NUMKEYS; i++)
-               ret = strcat(ret, va(" \'%i\'", keys[i]));
+       num = PRVM_G_FLOAT( OFS_PARM1 );
 
-       PRVM_G_INT(OFS_RETURN) = PRVM_SetString(ret);
-}
+       str = PRVM_G_STRING( OFS_PARM2 );
+       //VM_CheckEmptyString( str );
 
-/*
-=========
-VM_M_gethostcachecount
-
-float  gethostcachevalue(float type)
-=========
-*/
-/*
-       type:
-0      hostcachecount
-1      masterquerycount
-2      masterreplycount
-3      serverquerycount
-4      serverreplycount
-*/
-void VM_M_gethostcachevalue( void )
-{
-       int type;
-       VM_SAFEPARMCOUNT ( 1, VM_M_gethostcachevalue );
-
-       PRVM_G_FLOAT( OFS_RETURN ) = 0;
+       outstr = out = VM_GetTempString();
+       for( num = num * 2 + 1, in = altstr; *in && num; *out++ = *in++ )
+               if( *in == '\\' ) {
+                       if( !*++in ) {
+                               break;
+                       }
+               } else if( *in == '\'' ) {
+                       num--;
+               }
 
-       type = PRVM_G_FLOAT( OFS_PARM0 );
-       if( type < 0 || type > 4 )
-               Con_Printf( "VM_M_gethostcachevalue: bad type %i!\n", type );
-       else switch(type)
-       {
-       case 0:
-               PRVM_G_FLOAT ( OFS_RETURN ) = hostCacheCount;
-               return;
-       case 1:
-               PRVM_G_FLOAT ( OFS_RETURN ) = masterquerycount;
+       if( !in ) {
+               PRVM_G_INT( OFS_RETURN ) = PRVM_SetEngineString( altstr );
                return;
-       case 2:
-               PRVM_G_FLOAT ( OFS_RETURN ) = masterreplycount;
-               return;
-       case 3:
-               PRVM_G_FLOAT ( OFS_RETURN ) = serverquerycount;
-               return;
-       case 4:
-               PRVM_G_FLOAT ( OFS_RETURN ) = serverreplycount;
+       }
+       // copy set in
+       for( ; *str; *out++ = *str++ );
+       // 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;
        }
-}
 
-/*
-=========
-VM_M_gethostcachestring
+       strcpy( out, in );
+       PRVM_G_INT( OFS_RETURN ) = PRVM_SetEngineString( outstr );
+}
 
-string gethostcachestring(float type, float hostnr)
-=========
-*/
 /*
-0      Get CName
-1      Get line1
-2      Get line2 
+========================
+VM_altstr_ins
+insert after num
+string altstr_ins(string altstr, float num, string set)
+========================
 */
-void VM_M_gethostcachestring(void)
+void VM_altstr_ins(void)
 {
-       int type;
-       int hostnr;
+       int num;
+       const char *setstr;
+       const char *set;
+       const char *instr;
+       const char *in;
+       char *outstr;
+       char *out;
 
-       VM_SAFEPARMCOUNT(2, VM_M_gethostcachestring);
+       in = instr = PRVM_G_STRING( OFS_PARM0 );
+       num = PRVM_G_FLOAT( OFS_PARM1 );
+       set = setstr = PRVM_G_STRING( OFS_PARM2 );
 
-       PRVM_G_INT(OFS_RETURN) = 0;
+       out = outstr = VM_GetTempString();
+       for( num = num * 2 + 2 ; *in && num > 0 ; *out++ = *in++ )
+               if( *in == '\\' ) {
+                       if( !*++in ) {
+                               break;
+                       }
+               } else if( *in == '\'' ) {
+                       num--;
+               }
 
-       type = PRVM_G_FLOAT(OFS_PARM0);
-       
-       if(type < 0 || type > 2)
-       {
-               Con_Print("VM_M_gethostcachestring: bad string type requested!\n");
-               return;
-       }
+       *out++ = '\'';
+       for( ; *set ; *out++ = *set++ );
+       *out++ = '\'';
 
-       hostnr = PRVM_G_FLOAT(OFS_PARM1);
+       strcpy( out, in );
+       PRVM_G_INT( OFS_RETURN ) = PRVM_SetEngineString( outstr );
+}
 
-       if(hostnr < 0 || hostnr >= hostCacheCount)
-       {
-               Con_Print("VM_M_gethostcachestring: bad hostnr passed!\n");
-               return;
-       }
+void VM_Cmd_Init(void)
+{
+       // only init the stuff for the current prog
+       VM_Files_Init();
+       VM_Search_Init();
+}
 
-       if( type == 0 )
-               PRVM_G_INT( OFS_RETURN ) = PRVM_SetString( hostcache[hostnr].cname );
-       else if( type == 1 )
-               PRVM_G_INT( OFS_RETURN ) = PRVM_SetString( hostcache[hostnr].line1 );
-       else
-               PRVM_G_INT( OFS_RETURN ) = PRVM_SetString( hostcache[hostnr].line2 );
-}
-
-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, //78
-       0,0,// 80
-       e10,                    // 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
-       e10,                    // 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_gethostcachevalue,
-       VM_M_gethostcachestring // 612 
-};
-
-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();
 }
+
+