Don't allow shortcuts with Ctrl+Alt because on Windows they can be used as the AltGr...
[xonotic/darkplaces.git] / prvm_edict.c
index 456ffb5..8633fdf 100644 (file)
@@ -21,33 +21,33 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 
 #include "quakedef.h"
 #include "progsvm.h"
+#include "csprogs.h"
 
-prvm_prog_t *prog;
-
-static prvm_prog_t prog_list[PRVM_MAXPROGS];
+prvm_prog_t prvm_prog_list[PRVM_PROG_MAX];
 
 int            prvm_type_size[8] = {1,sizeof(string_t)/4,1,3,1,1,sizeof(func_t)/4,sizeof(void *)/4};
 
-ddef_t *PRVM_ED_FieldAtOfs(int ofs);
-qboolean PRVM_ED_ParseEpair(prvm_edict_t *ent, ddef_t *key, const char *s, qboolean parsebackslash);
+prvm_eval_t prvm_badvalue; // used only for error returns
 
+cvar_t prvm_language = {CVAR_SAVE, "prvm_language", "", "when set, loads PROGSFILE.LANGUAGENAME.po and common.LANGUAGENAME.po for string translations; when set to dump, PROGSFILE.pot is written from the strings in the progs"};
 // LordHavoc: prints every opcode as it executes - warning: this is significant spew
 cvar_t prvm_traceqc = {0, "prvm_traceqc", "0", "prints every QuakeC statement as it is executed (only for really thorough debugging!)"};
 // LordHavoc: counts usage of each QuakeC statement
 cvar_t prvm_statementprofiling = {0, "prvm_statementprofiling", "0", "counts how many times each QuakeC statement has been executed, these counts are displayed in prvm_printfunction output (if enabled)"};
+cvar_t prvm_timeprofiling = {0, "prvm_timeprofiling", "0", "counts how long each function has been executed, these counts are displayed in prvm_profile output (if enabled)"};
+cvar_t prvm_coverage = {0, "prvm_coverage", "0", "report and count coverage events (1: per-function, 2: coverage() builtin, 4: per-statement)"};
 cvar_t prvm_backtraceforwarnings = {0, "prvm_backtraceforwarnings", "0", "print a backtrace for warnings too"};
 cvar_t prvm_leaktest = {0, "prvm_leaktest", "0", "try to detect memory leaks in strings or entities"};
+cvar_t prvm_leaktest_follow_targetname = {0, "prvm_leaktest_follow_targetname", "0", "if set, target/targetname links are considered when leak testing; this should normally not be required, as entities created during startup - e.g. info_notnull - are never considered leaky"};
 cvar_t prvm_leaktest_ignore_classnames = {0, "prvm_leaktest_ignore_classnames", "", "classnames of entities to NOT leak check because they are found by find(world, classname, ...) but are actually spawned by QC code (NOT map entities)"};
 cvar_t prvm_errordump = {0, "prvm_errordump", "0", "write a savegame on crash to crash-server.dmp"};
+cvar_t prvm_breakpointdump = {0, "prvm_breakpointdump", "0", "write a savegame on breakpoint to breakpoint-server.dmp"};
+cvar_t prvm_reuseedicts_startuptime = {0, "prvm_reuseedicts_startuptime", "2", "allows immediate re-use of freed entity slots during start of new level (value in seconds)"};
+cvar_t prvm_reuseedicts_neverinsameframe = {0, "prvm_reuseedicts_neverinsameframe", "1", "never allows re-use of freed entity slots during same frame"};
 
+static double prvm_reuseedicts_always_allow = 0;
 qboolean prvm_runawaycheck = true;
 
-// LordHavoc: optional runtime bounds checking (speed drain, but worth it for security, on by default - breaks most QCCX features (used by CRMod and others))
-// enables detection of out of bounds memory access in the QuakeC code being run (in other words, prevents really exceedingly bad QuakeC code from doing nasty things to your computer)
-qboolean prvm_boundscheck = true;
-
-extern sizebuf_t vm_tempstringsbuf;
-
 //============================================================================
 // mempool handling
 
@@ -56,7 +56,7 @@ extern sizebuf_t vm_tempstringsbuf;
 PRVM_MEM_Alloc
 ===============
 */
-void PRVM_MEM_Alloc(void)
+static void PRVM_MEM_Alloc(prvm_prog_t *prog)
 {
        int i;
 
@@ -75,13 +75,14 @@ void PRVM_MEM_Alloc(void)
        prog->edictprivate = Mem_Alloc(prog->progs_mempool, prog->max_edicts * prog->edictprivate_size);
 
        // alloc edict fields
-       prog->edictsfields = Mem_Alloc(prog->progs_mempool, prog->max_edicts * prog->edict_size);
+       prog->entityfieldsarea = prog->entityfields * prog->max_edicts;
+       prog->edictsfields = (prvm_vec_t *)Mem_Alloc(prog->progs_mempool, prog->entityfieldsarea * sizeof(prvm_vec_t));
 
        // set edict pointers
        for(i = 0; i < prog->max_edicts; i++)
        {
                prog->edicts[i].priv.required = (prvm_edict_private_t *)((unsigned char  *)prog->edictprivate + i * prog->edictprivate_size);
-               prog->edicts[i].fields.vp = (void*)((unsigned char *)prog->edictsfields + i * prog->edict_size);
+               prog->edicts[i].fields.fp = prog->edictsfields + i * prog->entityfields;
        }
 }
 
@@ -90,148 +91,132 @@ void PRVM_MEM_Alloc(void)
 PRVM_MEM_IncreaseEdicts
 ===============
 */
-void PRVM_MEM_IncreaseEdicts(void)
+void PRVM_MEM_IncreaseEdicts(prvm_prog_t *prog)
 {
        int             i;
-       int             oldmaxedicts = prog->max_edicts;
-       void    *oldedictsfields = prog->edictsfields;
-       void    *oldedictprivate = prog->edictprivate;
 
        if(prog->max_edicts >= prog->limit_edicts)
                return;
 
-       PRVM_GCALL(begin_increase_edicts)();
+       prog->begin_increase_edicts(prog);
 
        // increase edicts
        prog->max_edicts = min(prog->max_edicts + 256, prog->limit_edicts);
 
-       prog->edictsfields = Mem_Alloc(prog->progs_mempool, prog->max_edicts * prog->edict_size);
-       prog->edictprivate = Mem_Alloc(prog->progs_mempool, prog->max_edicts * prog->edictprivate_size);
-
-       memcpy(prog->edictsfields, oldedictsfields, oldmaxedicts * prog->edict_size);
-       memcpy(prog->edictprivate, oldedictprivate, oldmaxedicts * prog->edictprivate_size);
+       prog->entityfieldsarea = prog->entityfields * prog->max_edicts;
+       prog->edictsfields = (prvm_vec_t*)Mem_Realloc(prog->progs_mempool, (void *)prog->edictsfields, prog->entityfieldsarea * sizeof(prvm_vec_t));
+       prog->edictprivate = (void *)Mem_Realloc(prog->progs_mempool, (void *)prog->edictprivate, prog->max_edicts * prog->edictprivate_size);
 
        //set e and v pointers
        for(i = 0; i < prog->max_edicts; i++)
        {
                prog->edicts[i].priv.required  = (prvm_edict_private_t *)((unsigned char  *)prog->edictprivate + i * prog->edictprivate_size);
-               prog->edicts[i].fields.vp = (void*)((unsigned char *)prog->edictsfields + i * prog->edict_size);
+               prog->edicts[i].fields.fp = prog->edictsfields + i * prog->entityfields;
        }
 
-       PRVM_GCALL(end_increase_edicts)();
-
-       Mem_Free(oldedictsfields);
-       Mem_Free(oldedictprivate);
+       prog->end_increase_edicts(prog);
 }
 
 //============================================================================
 // normal prvm
 
-int PRVM_ED_FindFieldOffset(const char *field)
+int PRVM_ED_FindFieldOffset(prvm_prog_t *prog, const char *field)
 {
        ddef_t *d;
-       d = PRVM_ED_FindField(field);
+       d = PRVM_ED_FindField(prog, field);
        if (!d)
                return -1;
        return d->ofs;
 }
 
-int PRVM_ED_FindGlobalOffset(const char *global)
+int PRVM_ED_FindGlobalOffset(prvm_prog_t *prog, const char *global)
 {
        ddef_t *d;
-       d = PRVM_ED_FindGlobal(global);
+       d = PRVM_ED_FindGlobal(prog, global);
        if (!d)
                return -1;
        return d->ofs;
 }
 
-func_t PRVM_ED_FindFunctionOffset(const char *function)
+func_t PRVM_ED_FindFunctionOffset(prvm_prog_t *prog, const char *function)
 {
        mfunction_t *f;
-       f = PRVM_ED_FindFunction(function);
+       f = PRVM_ED_FindFunction(prog, function);
        if (!f)
                return 0;
        return (func_t)(f - prog->functions);
 }
 
-qboolean PRVM_ProgLoaded(int prognr)
-{
-       if(prognr < 0 || prognr >= PRVM_MAXPROGS)
-               return FALSE;
-
-       return (prog_list[prognr].loaded ? TRUE : FALSE);
-}
-
 /*
 =================
-PRVM_SetProgFromString
+PRVM_ProgFromString
 =================
 */
-// perhaps add a return value when the str doesnt exist
-qboolean PRVM_SetProgFromString(const char *str)
-{
-       int i = 0;
-       for(; i < PRVM_MAXPROGS ; i++)
-               if(prog_list[i].name && !strcmp(prog_list[i].name,str))
-               {
-                       if(prog_list[i].loaded)
-                       {
-                               prog = &prog_list[i];
-                               return TRUE;
-                       }
-                       else
-                       {
-                               Con_Printf("%s not loaded !\n",PRVM_NAME);
-                               return FALSE;
-                       }
-               }
-
-       Con_Printf("Invalid program name %s !\n", str);
-       return FALSE;
+prvm_prog_t *PRVM_ProgFromString(const char *str)
+{
+       if (!strcmp(str, "server"))
+               return SVVM_prog;
+       if (!strcmp(str, "client"))
+               return CLVM_prog;
+#ifdef CONFIG_MENU
+       if (!strcmp(str, "menu"))
+               return MVM_prog;
+#endif
+       return NULL;
 }
 
 /*
 =================
-PRVM_SetProg
+PRVM_FriendlyProgFromString
 =================
 */
-void PRVM_SetProg(int prognr)
+prvm_prog_t *PRVM_FriendlyProgFromString(const char *str)
 {
-       if(0 <= prognr && prognr < PRVM_MAXPROGS)
+       prvm_prog_t *prog = PRVM_ProgFromString(str);
+       if (!prog)
        {
-               if(prog_list[prognr].loaded)
-                       prog = &prog_list[prognr];
-               else
-                       PRVM_ERROR("%i not loaded !", prognr);
-               return;
+               Con_Printf("%s: unknown program name\n", str);
+               return NULL;
+       }
+       if (!prog->loaded)
+       {
+               Con_Printf("%s: program is not loaded\n", str);
+               return NULL;
        }
-       PRVM_ERROR("Invalid program number %i", prognr);
+       return prog;
 }
 
 /*
 =================
 PRVM_ED_ClearEdict
 
-Sets everything to NULL
+Sets everything to NULL.
+
+Nota bene: this also marks the entity as allocated if it has been previously
+freed and sets the allocation origin.
 =================
 */
-void PRVM_ED_ClearEdict (prvm_edict_t *e)
+void PRVM_ED_ClearEdict(prvm_prog_t *prog, prvm_edict_t *e)
 {
-       memset (e->fields.vp, 0, prog->progs->entityfields * 4);
+       memset(e->fields.fp, 0, prog->entityfields * sizeof(prvm_vec_t));
        e->priv.required->free = false;
+       e->priv.required->freetime = realtime;
+       if(e->priv.required->allocation_origin)
+               Mem_Free((char *)e->priv.required->allocation_origin);
+       e->priv.required->allocation_origin = PRVM_AllocationOrigin(prog);
 
        // AK: Let the init_edict function determine if something needs to be initialized
-       PRVM_GCALL(init_edict)(e);
+       prog->init_edict(prog, e);
 }
 
-const char *PRVM_AllocationOrigin(void)
+const char *PRVM_AllocationOrigin(prvm_prog_t *prog)
 {
        char *buf = NULL;
        if(prog->leaktest_active)
        if(prog->depth > 0) // actually in QC code and not just parsing the entities block of a map/savegame
        {
-               buf = (char *)PRVM_Alloc(128);
-               PRVM_ShortStackTrace(buf, 128);
+               buf = (char *)PRVM_Alloc(256);
+               PRVM_ShortStackTrace(prog, buf, 256);
        }
        return buf;
 }
@@ -243,11 +228,15 @@ PRVM_ED_CanAlloc
 Returns if this particular edict could get allocated by PRVM_ED_Alloc
 =================
 */
-qboolean PRVM_ED_CanAlloc(prvm_edict_t *e)
+qboolean PRVM_ED_CanAlloc(prvm_prog_t *prog, prvm_edict_t *e)
 {
        if(!e->priv.required->free)
                return false;
-       if(e->priv.required->freetime < prog->starttime + 2)
+       if(prvm_reuseedicts_always_allow == realtime)
+               return true;
+       if(realtime <= e->priv.required->freetime + 0.1 && prvm_reuseedicts_neverinsameframe.integer)
+               return false; // never allow reuse in same frame (causes networking trouble)
+       if(e->priv.required->freetime < prog->starttime + prvm_reuseedicts_startuptime.value)
                return true;
        if(realtime > e->priv.required->freetime + 1)
                return true;
@@ -265,10 +254,10 @@ instead of being removed and recreated, which can cause interpolated
 angles and bad trails.
 =================
 */
-prvm_edict_t *PRVM_ED_Alloc (void)
+prvm_edict_t *PRVM_ED_Alloc(prvm_prog_t *prog)
 {
-       int                     i;
-       prvm_edict_t            *e;
+       int i;
+       prvm_edict_t *e;
 
        // the client qc dont need maxclients
        // thus it doesnt need to use svs.maxclients
@@ -278,26 +267,23 @@ prvm_edict_t *PRVM_ED_Alloc (void)
        for (i = prog->reserved_edicts + 1;i < prog->num_edicts;i++)
        {
                e = PRVM_EDICT_NUM(i);
-               if(PRVM_ED_CanAlloc(e))
+               if(PRVM_ED_CanAlloc(prog, e))
                {
-                       PRVM_ED_ClearEdict (e);
-                       e->priv.required->allocation_origin = PRVM_AllocationOrigin();
+                       PRVM_ED_ClearEdict (prog, e);
                        return e;
                }
        }
 
        if (i == prog->limit_edicts)
-               PRVM_ERROR ("%s: PRVM_ED_Alloc: no free edicts",PRVM_NAME);
+               prog->error_cmd("%s: PRVM_ED_Alloc: no free edicts", prog->name);
 
        prog->num_edicts++;
        if (prog->num_edicts >= prog->max_edicts)
-               PRVM_MEM_IncreaseEdicts();
+               PRVM_MEM_IncreaseEdicts(prog);
 
        e = PRVM_EDICT_NUM(i);
-       PRVM_ED_ClearEdict (e);
-
-       e->priv.required->allocation_origin = PRVM_AllocationOrigin();
 
+       PRVM_ED_ClearEdict(prog, e);
        return e;
 }
 
@@ -309,19 +295,19 @@ Marks the edict as free
 FIXME: walk all entities and NULL out references to this entity
 =================
 */
-void PRVM_ED_Free (prvm_edict_t *ed)
+void PRVM_ED_Free(prvm_prog_t *prog, prvm_edict_t *ed)
 {
        // dont delete the null entity (world) or reserved edicts
-       if(PRVM_NUM_FOR_EDICT(ed) <= prog->reserved_edicts )
+       if (ed - prog->edicts <= prog->reserved_edicts)
                return;
 
-       PRVM_GCALL(free_edict)(ed);
+       prog->free_edict(prog, ed);
 
        ed->priv.required->free = true;
        ed->priv.required->freetime = realtime;
        if(ed->priv.required->allocation_origin)
        {
-               PRVM_Free((char *)ed->priv.required->allocation_origin);
+               Mem_Free((char *)ed->priv.required->allocation_origin);
                ed->priv.required->allocation_origin = NULL;
        }
 }
@@ -333,12 +319,12 @@ void PRVM_ED_Free (prvm_edict_t *ed)
 PRVM_ED_GlobalAtOfs
 ============
 */
-ddef_t *PRVM_ED_GlobalAtOfs (int ofs)
+static ddef_t *PRVM_ED_GlobalAtOfs (prvm_prog_t *prog, int ofs)
 {
        ddef_t          *def;
        int                     i;
 
-       for (i=0 ; i<prog->progs->numglobaldefs ; i++)
+       for (i = 0;i < prog->numglobaldefs;i++)
        {
                def = &prog->globaldefs[i];
                if (def->ofs == ofs)
@@ -352,12 +338,12 @@ ddef_t *PRVM_ED_GlobalAtOfs (int ofs)
 PRVM_ED_FieldAtOfs
 ============
 */
-ddef_t *PRVM_ED_FieldAtOfs (int ofs)
+ddef_t *PRVM_ED_FieldAtOfs (prvm_prog_t *prog, int ofs)
 {
        ddef_t          *def;
        int                     i;
 
-       for (i=0 ; i<prog->progs->numfielddefs ; i++)
+       for (i = 0;i < prog->numfielddefs;i++)
        {
                def = &prog->fielddefs[i];
                if (def->ofs == ofs)
@@ -371,15 +357,15 @@ ddef_t *PRVM_ED_FieldAtOfs (int ofs)
 PRVM_ED_FindField
 ============
 */
-ddef_t *PRVM_ED_FindField (const char *name)
+ddef_t *PRVM_ED_FindField (prvm_prog_t *prog, const char *name)
 {
        ddef_t *def;
        int i;
 
-       for (i=0 ; i<prog->progs->numfielddefs ; i++)
+       for (i = 0;i < prog->numfielddefs;i++)
        {
                def = &prog->fielddefs[i];
-               if (!strcmp(PRVM_GetString(def->s_name), name))
+               if (!strcmp(PRVM_GetString(prog, def->s_name), name))
                        return def;
        }
        return NULL;
@@ -390,15 +376,15 @@ ddef_t *PRVM_ED_FindField (const char *name)
 PRVM_ED_FindGlobal
 ============
 */
-ddef_t *PRVM_ED_FindGlobal (const char *name)
+ddef_t *PRVM_ED_FindGlobal (prvm_prog_t *prog, const char *name)
 {
        ddef_t *def;
        int i;
 
-       for (i=0 ; i<prog->progs->numglobaldefs ; i++)
+       for (i = 0;i < prog->numglobaldefs;i++)
        {
                def = &prog->globaldefs[i];
-               if (!strcmp(PRVM_GetString(def->s_name), name))
+               if (!strcmp(PRVM_GetString(prog, def->s_name), name))
                        return def;
        }
        return NULL;
@@ -410,15 +396,15 @@ ddef_t *PRVM_ED_FindGlobal (const char *name)
 PRVM_ED_FindFunction
 ============
 */
-mfunction_t *PRVM_ED_FindFunction (const char *name)
+mfunction_t *PRVM_ED_FindFunction (prvm_prog_t *prog, const char *name)
 {
        mfunction_t             *func;
        int                             i;
 
-       for (i=0 ; i<prog->progs->numfunctions ; i++)
+       for (i = 0;i < prog->numfunctions;i++)
        {
                func = &prog->functions[i];
-               if (!strcmp(PRVM_GetString(func->s_name), name))
+               if (!strcmp(PRVM_GetString(prog, func->s_name), name))
                        return func;
        }
        return NULL;
@@ -432,9 +418,8 @@ PRVM_ValueString
 Returns a string describing *data in a type specific manner
 =============
 */
-char *PRVM_ValueString (etype_t type, prvm_eval_t *val)
+static char *PRVM_ValueString (prvm_prog_t *prog, etype_t type, prvm_eval_t *val, char *line, size_t linelength)
 {
-       static char line[MAX_INPUTLINE];
        ddef_t *def;
        mfunction_t *f;
        int n;
@@ -444,39 +429,39 @@ char *PRVM_ValueString (etype_t type, prvm_eval_t *val)
        switch (type)
        {
        case ev_string:
-               strlcpy (line, PRVM_GetString (val->string), sizeof (line));
+               strlcpy (line, PRVM_GetString (prog, val->string), linelength);
                break;
        case ev_entity:
                n = val->edict;
-               if (n < 0 || n >= prog->limit_edicts)
-                       dpsnprintf (line, sizeof(line), "entity %i (invalid!)", n);
+               if (n < 0 || n >= prog->max_edicts)
+                       dpsnprintf (line, linelength, "entity %i (invalid!)", n);
                else
-                       dpsnprintf (line, sizeof(line), "entity %i", n);
+                       dpsnprintf (line, linelength, "entity %i", n);
                break;
        case ev_function:
                f = prog->functions + val->function;
-               dpsnprintf (line, sizeof(line), "%s()", PRVM_GetString(f->s_name));
+               dpsnprintf (line, linelength, "%s()", PRVM_GetString(prog, f->s_name));
                break;
        case ev_field:
-               def = PRVM_ED_FieldAtOfs ( val->_int );
-               dpsnprintf (line, sizeof(line), ".%s", PRVM_GetString(def->s_name));
+               def = PRVM_ED_FieldAtOfs ( prog, val->_int );
+               dpsnprintf (line, linelength, ".%s", PRVM_GetString(prog, def->s_name));
                break;
        case ev_void:
-               dpsnprintf (line, sizeof(line), "void");
+               dpsnprintf (line, linelength, "void");
                break;
        case ev_float:
                // LordHavoc: changed from %5.1f to %10.4f
-               dpsnprintf (line, sizeof(line), "%10.4f", val->_float);
+               dpsnprintf (line, linelength, FLOAT_LOSSLESS_FORMAT, val->_float);
                break;
        case ev_vector:
                // LordHavoc: changed from %5.1f to %10.4f
-               dpsnprintf (line, sizeof(line), "'%10.4f %10.4f %10.4f'", val->vector[0], val->vector[1], val->vector[2]);
+               dpsnprintf (line, linelength, "'" VECTOR_LOSSLESS_FORMAT "'", val->vector[0], val->vector[1], val->vector[2]);
                break;
        case ev_pointer:
-               dpsnprintf (line, sizeof(line), "pointer");
+               dpsnprintf (line, linelength, "pointer");
                break;
        default:
-               dpsnprintf (line, sizeof(line), "bad type %i", (int) type);
+               dpsnprintf (line, linelength, "bad type %i", (int) type);
                break;
        }
 
@@ -491,9 +476,8 @@ Returns a string describing *data in a type specific manner
 Easier to parse than PR_ValueString
 =============
 */
-char *PRVM_UglyValueString (etype_t type, prvm_eval_t *val)
+char *PRVM_UglyValueString (prvm_prog_t *prog, etype_t type, prvm_eval_t *val, char *line, size_t linelength)
 {
-       static char line[MAX_INPUTLINE];
        int i;
        const char *s;
        ddef_t *def;
@@ -507,8 +491,8 @@ char *PRVM_UglyValueString (etype_t type, prvm_eval_t *val)
                // Parse the string a bit to turn special characters
                // (like newline, specifically) into escape codes,
                // this fixes saving games from various mods
-               s = PRVM_GetString (val->string);
-               for (i = 0;i < (int)sizeof(line) - 2 && *s;)
+               s = PRVM_GetString (prog, val->string);
+               for (i = 0;i < (int)linelength - 2 && *s;)
                {
                        if (*s == '\n')
                        {
@@ -537,27 +521,28 @@ char *PRVM_UglyValueString (etype_t type, prvm_eval_t *val)
                line[i] = '\0';
                break;
        case ev_entity:
-               dpsnprintf (line, sizeof (line), "%i", PRVM_NUM_FOR_EDICT(PRVM_PROG_TO_EDICT(val->edict)));
+               i = val->edict;
+               dpsnprintf (line, linelength, "%i", i);
                break;
        case ev_function:
                f = prog->functions + val->function;
-               strlcpy (line, PRVM_GetString (f->s_name), sizeof (line));
+               strlcpy (line, PRVM_GetString (prog, f->s_name), linelength);
                break;
        case ev_field:
-               def = PRVM_ED_FieldAtOfs ( val->_int );
-               dpsnprintf (line, sizeof (line), ".%s", PRVM_GetString(def->s_name));
+               def = PRVM_ED_FieldAtOfs ( prog, val->_int );
+               dpsnprintf (line, linelength, ".%s", PRVM_GetString(prog, def->s_name));
                break;
        case ev_void:
-               dpsnprintf (line, sizeof (line), "void");
+               dpsnprintf (line, linelength, "void");
                break;
        case ev_float:
-               dpsnprintf (line, sizeof (line), "%f", val->_float);
+               dpsnprintf (line, linelength, FLOAT_LOSSLESS_FORMAT, val->_float);
                break;
        case ev_vector:
-               dpsnprintf (line, sizeof (line), "%f %f %f", val->vector[0], val->vector[1], val->vector[2]);
+               dpsnprintf (line, linelength, VECTOR_LOSSLESS_FORMAT, val->vector[0], val->vector[1], val->vector[2]);
                break;
        default:
-               dpsnprintf (line, sizeof (line), "bad type %i", type);
+               dpsnprintf (line, linelength, "bad type %i", type);
                break;
        }
 
@@ -572,22 +557,22 @@ Returns a string with a description and the contents of a global,
 padded to 20 field width
 ============
 */
-char *PRVM_GlobalString (int ofs)
+char *PRVM_GlobalString (prvm_prog_t *prog, int ofs, char *line, size_t linelength)
 {
        char    *s;
        //size_t        i;
        ddef_t  *def;
-       void    *val;
-       static char     line[128];
+       prvm_eval_t     *val;
+       char valuebuf[MAX_INPUTLINE];
 
-       val = (void *)&prog->globals.generic[ofs];
-       def = PRVM_ED_GlobalAtOfs(ofs);
+       val = (prvm_eval_t *)&prog->globals.fp[ofs];
+       def = PRVM_ED_GlobalAtOfs(prog, ofs);
        if (!def)
-               dpsnprintf (line, sizeof(line), "GLOBAL%i", ofs);
+               dpsnprintf (line, linelength, "GLOBAL%i", ofs);
        else
        {
-               s = PRVM_ValueString ((etype_t)def->type, (prvm_eval_t *)val);
-               dpsnprintf (line, sizeof(line), "%s (=%s)", PRVM_GetString(def->s_name), s);
+               s = PRVM_ValueString (prog, (etype_t)def->type, val, valuebuf, sizeof(valuebuf));
+               dpsnprintf (line, linelength, "%s (=%s)", PRVM_GetString(prog, def->s_name), s);
        }
 
        //i = strlen(line);
@@ -598,17 +583,16 @@ char *PRVM_GlobalString (int ofs)
        return line;
 }
 
-char *PRVM_GlobalStringNoContents (int ofs)
+char *PRVM_GlobalStringNoContents (prvm_prog_t *prog, int ofs, char *line, size_t linelength)
 {
        //size_t        i;
        ddef_t  *def;
-       static char     line[128];
 
-       def = PRVM_ED_GlobalAtOfs(ofs);
+       def = PRVM_ED_GlobalAtOfs(prog, ofs);
        if (!def)
-               dpsnprintf (line, sizeof(line), "GLOBAL%i", ofs);
+               dpsnprintf (line, linelength, "GLOBAL%i", ofs);
        else
-               dpsnprintf (line, sizeof(line), "%s", PRVM_GetString(def->s_name));
+               dpsnprintf (line, linelength, "%s", PRVM_GetString(prog, def->s_name));
 
        //i = strlen(line);
        //for ( ; i<20 ; i++)
@@ -628,29 +612,30 @@ For debugging
 */
 // LordHavoc: optimized this to print out much more quickly (tempstring)
 // LordHavoc: changed to print out every 4096 characters (incase there are a lot of fields to print)
-void PRVM_ED_Print(prvm_edict_t *ed, const char *wildcard_fieldname)
+void PRVM_ED_Print(prvm_prog_t *prog, prvm_edict_t *ed, const char *wildcard_fieldname)
 {
        size_t  l;
        ddef_t  *d;
-       int             *v;
+       prvm_eval_t     *val;
        int             i, j;
        const char      *name;
        int             type;
        char    tempstring[MAX_INPUTLINE], tempstring2[260]; // temporary string buffers
+       char    valuebuf[MAX_INPUTLINE];
 
        if (ed->priv.required->free)
        {
-               Con_Printf("%s: FREE\n",PRVM_NAME);
+               Con_Printf("%s: FREE\n",prog->name);
                return;
        }
 
        tempstring[0] = 0;
-       dpsnprintf(tempstring, sizeof(tempstring), "\n%s EDICT %i:\n", PRVM_NAME, PRVM_NUM_FOR_EDICT(ed));
-       for (i=1 ; i<prog->progs->numfielddefs ; i++)
+       dpsnprintf(tempstring, sizeof(tempstring), "\n%s EDICT %i:\n", prog->name, PRVM_NUM_FOR_EDICT(ed));
+       for (i = 1;i < prog->numfielddefs;i++)
        {
                d = &prog->fielddefs[i];
-               name = PRVM_GetString(d->s_name);
-               if (name[strlen(name)-2] == '_')
+               name = PRVM_GetString(prog, d->s_name);
+               if(strlen(name) > 1 && name[strlen(name)-2] == '_' && (name[strlen(name)-1] == 'x' || name[strlen(name)-1] == 'y' || name[strlen(name)-1] == 'z'))
                        continue;       // skip _x, _y, _z vars
 
                // Check Field Name Wildcard
@@ -659,13 +644,13 @@ void PRVM_ED_Print(prvm_edict_t *ed, const char *wildcard_fieldname)
                                // Didn't match; skip
                                continue;
 
-               v = (int *)((char *)ed->fields.vp + d->ofs*4);
+               val = (prvm_eval_t *)(ed->fields.fp + d->ofs);
 
        // if the value is still all 0, skip the field
                type = d->type & ~DEF_SAVEGLOBAL;
 
                for (j=0 ; j<prvm_type_size[type] ; j++)
-                       if (v[j])
+                       if (val->ivector[j])
                                break;
                if (j == prvm_type_size[type])
                        continue;
@@ -682,7 +667,7 @@ void PRVM_ED_Print(prvm_edict_t *ed, const char *wildcard_fieldname)
                        strlcat(tempstring, " ", sizeof(tempstring));
                strlcat(tempstring, " ", sizeof(tempstring));
 
-               name = PRVM_ValueString((etype_t)d->type, (prvm_eval_t *)v);
+               name = PRVM_ValueString(prog, (etype_t)d->type, val, valuebuf, sizeof(valuebuf));
                if (strlen(name) > sizeof(tempstring2)-4)
                {
                        memcpy (tempstring2, name, sizeof(tempstring2)-4);
@@ -710,13 +695,15 @@ For savegames
 =============
 */
 extern cvar_t developer_entityparsing;
-void PRVM_ED_Write (qfile_t *f, prvm_edict_t *ed)
+void PRVM_ED_Write (prvm_prog_t *prog, qfile_t *f, prvm_edict_t *ed)
 {
        ddef_t  *d;
-       int             *v;
+       prvm_eval_t     *val;
        int             i, j;
        const char      *name;
        int             type;
+       char vabuf[1024];
+       char valuebuf[MAX_INPUTLINE];
 
        FS_Print(f, "{\n");
 
@@ -726,39 +713,40 @@ void PRVM_ED_Write (qfile_t *f, prvm_edict_t *ed)
                return;
        }
 
-       for (i=1 ; i<prog->progs->numfielddefs ; i++)
+       for (i = 1;i < prog->numfielddefs;i++)
        {
                d = &prog->fielddefs[i];
-               name = PRVM_GetString(d->s_name);
+               name = PRVM_GetString(prog, d->s_name);
 
                if(developer_entityparsing.integer)
                        Con_Printf("PRVM_ED_Write: at entity %d field %s\n", PRVM_NUM_FOR_EDICT(ed), name);
 
-               if (name[strlen(name)-2] == '_')
-                       continue;       // skip _x, _y, _z vars
+               //if(strlen(name) > 1 && name[strlen(name)-2] == '_' && (name[strlen(name)-1] == 'x' || name[strlen(name)-1] == 'y' || name[strlen(name)-1] == 'z'))
+               if(strlen(name) > 1 && name[strlen(name)-2] == '_')
+                       continue;       // skip _x, _y, _z vars, and ALSO other _? vars as some mods expect them to be never saved (TODO: a gameplayfix for using the "more precise" condition above?)
 
-               v = (int *)((char *)ed->fields.vp + d->ofs*4);
+               val = (prvm_eval_t *)(ed->fields.fp + d->ofs);
 
        // if the value is still all 0, skip the field
                type = d->type & ~DEF_SAVEGLOBAL;
                for (j=0 ; j<prvm_type_size[type] ; j++)
-                       if (v[j])
+                       if (val->ivector[j])
                                break;
                if (j == prvm_type_size[type])
                        continue;
 
                FS_Printf(f,"\"%s\" ",name);
-               prog->statestring = va("PRVM_ED_Write, ent=%d, name=%s", i, name);
-               FS_Printf(f,"\"%s\"\n", PRVM_UglyValueString((etype_t)d->type, (prvm_eval_t *)v));
+               prog->statestring = va(vabuf, sizeof(vabuf), "PRVM_ED_Write, ent=%d, name=%s", i, name);
+               FS_Printf(f,"\"%s\"\n", PRVM_UglyValueString(prog, (etype_t)d->type, val, valuebuf, sizeof(valuebuf)));
                prog->statestring = NULL;
        }
 
        FS_Print(f, "}\n");
 }
 
-void PRVM_ED_PrintNum (int ent, const char *wildcard_fieldname)
+void PRVM_ED_PrintNum (prvm_prog_t *prog, int ent, const char *wildcard_fieldname)
 {
-       PRVM_ED_Print(PRVM_EDICT_NUM(ent), wildcard_fieldname);
+       PRVM_ED_Print(prog, PRVM_EDICT_NUM(ent), wildcard_fieldname);
 }
 
 /*
@@ -770,6 +758,7 @@ For debugging, prints all the entities in the current server
 */
 void PRVM_ED_PrintEdicts_f (void)
 {
+       prvm_prog_t *prog;
        int             i;
        const char *wildcard_fieldname;
 
@@ -779,8 +768,7 @@ void PRVM_ED_PrintEdicts_f (void)
                return;
        }
 
-       PRVM_Begin;
-       if(!PRVM_SetProgFromString(Cmd_Argv(1)))
+       if (!(prog = PRVM_FriendlyProgFromString(Cmd_Argv(1))))
                return;
 
        if( Cmd_Argc() == 3)
@@ -788,11 +776,9 @@ void PRVM_ED_PrintEdicts_f (void)
        else
                wildcard_fieldname = NULL;
 
-       Con_Printf("%s: %i entities\n", PRVM_NAME, prog->num_edicts);
+       Con_Printf("%s: %i entities\n", prog->name, prog->num_edicts);
        for (i=0 ; i<prog->num_edicts ; i++)
-               PRVM_ED_PrintNum (i, wildcard_fieldname);
-
-       PRVM_End;
+               PRVM_ED_PrintNum (prog, i, wildcard_fieldname);
 }
 
 /*
@@ -802,8 +788,9 @@ PRVM_ED_PrintEdict_f
 For debugging, prints a single edict
 =============
 */
-void PRVM_ED_PrintEdict_f (void)
+static void PRVM_ED_PrintEdict_f (void)
 {
+       prvm_prog_t *prog;
        int             i;
        const char      *wildcard_fieldname;
 
@@ -813,15 +800,13 @@ void PRVM_ED_PrintEdict_f (void)
                return;
        }
 
-       PRVM_Begin;
-       if(!PRVM_SetProgFromString(Cmd_Argv(1)))
+       if (!(prog = PRVM_FriendlyProgFromString(Cmd_Argv(1))))
                return;
 
        i = atoi (Cmd_Argv(2));
        if (i >= prog->num_edicts)
        {
                Con_Print("Bad edict number\n");
-               PRVM_End;
                return;
        }
        if( Cmd_Argc() == 4)
@@ -830,9 +815,7 @@ void PRVM_ED_PrintEdict_f (void)
        else
                // Use All
                wildcard_fieldname = NULL;
-       PRVM_ED_PrintNum (i, wildcard_fieldname);
-
-       PRVM_End;
+       PRVM_ED_PrintNum (prog, i, wildcard_fieldname);
 }
 
 /*
@@ -844,11 +827,9 @@ For debugging
 */
 // 2 possibilities : 1. just displaying the active edict count
 //                                      2. making a function pointer [x]
-void PRVM_ED_Count_f (void)
+static void PRVM_ED_Count_f (void)
 {
-       int             i;
-       prvm_edict_t    *ent;
-       int             active;
+       prvm_prog_t *prog;
 
        if(Cmd_Argc() != 2)
        {
@@ -856,28 +837,10 @@ void PRVM_ED_Count_f (void)
                return;
        }
 
-       PRVM_Begin;
-       if(!PRVM_SetProgFromString(Cmd_Argv(1)))
+       if (!(prog = PRVM_FriendlyProgFromString(Cmd_Argv(1))))
                return;
 
-       if(prog->count_edicts)
-               prog->count_edicts();
-       else
-       {
-               active = 0;
-               for (i=0 ; i<prog->num_edicts ; i++)
-               {
-                       ent = PRVM_EDICT_NUM(i);
-                       if (ent->priv.required->free)
-                               continue;
-                       active++;
-               }
-
-               Con_Printf("num_edicts:%3i\n", prog->num_edicts);
-               Con_Printf("active    :%3i\n", active);
-       }
-
-       PRVM_End;
+       prog->count_edicts(prog);
 }
 
 /*
@@ -894,15 +857,17 @@ FIXME: need to tag constants, doesn't really work
 PRVM_ED_WriteGlobals
 =============
 */
-void PRVM_ED_WriteGlobals (qfile_t *f)
+void PRVM_ED_WriteGlobals (prvm_prog_t *prog, qfile_t *f)
 {
        ddef_t          *def;
        int                     i;
        const char              *name;
        int                     type;
+       char vabuf[1024];
+       char valuebuf[MAX_INPUTLINE];
 
        FS_Print(f,"{\n");
-       for (i=0 ; i<prog->progs->numglobaldefs ; i++)
+       for (i = 0;i < prog->numglobaldefs;i++)
        {
                def = &prog->globaldefs[i];
                type = def->type;
@@ -913,14 +878,14 @@ void PRVM_ED_WriteGlobals (qfile_t *f)
                if (type != ev_string && type != ev_float && type != ev_entity)
                        continue;
 
-               name = PRVM_GetString(def->s_name);
+               name = PRVM_GetString(prog, def->s_name);
 
                if(developer_entityparsing.integer)
                        Con_Printf("PRVM_ED_WriteGlobals: at global %s\n", name);
 
-               prog->statestring = va("PRVM_ED_WriteGlobals, name=%s", name);
+               prog->statestring = va(vabuf, sizeof(vabuf), "PRVM_ED_WriteGlobals, name=%s", name);
                FS_Printf(f,"\"%s\" ", name);
-               FS_Printf(f,"\"%s\"\n", PRVM_UglyValueString((etype_t)type, (prvm_eval_t *)&prog->globals.generic[def->ofs]));
+               FS_Printf(f,"\"%s\"\n", PRVM_UglyValueString(prog, (etype_t)type, (prvm_eval_t *)&prog->globals.fp[def->ofs], valuebuf, sizeof(valuebuf)));
                prog->statestring = NULL;
        }
        FS_Print(f,"}\n");
@@ -931,7 +896,7 @@ void PRVM_ED_WriteGlobals (qfile_t *f)
 PRVM_ED_ParseGlobals
 =============
 */
-void PRVM_ED_ParseGlobals (const char *data)
+void PRVM_ED_ParseGlobals (prvm_prog_t *prog, const char *data)
 {
        char keyname[MAX_INPUTLINE];
        ddef_t *key;
@@ -939,8 +904,8 @@ void PRVM_ED_ParseGlobals (const char *data)
        while (1)
        {
                // parse key
-               if (!COM_ParseToken_Simple(&data, false, false))
-                       PRVM_ERROR ("PRVM_ED_ParseGlobals: EOF without closing brace");
+               if (!COM_ParseToken_Simple(&data, false, false, true))
+                       prog->error_cmd("PRVM_ED_ParseGlobals: EOF without closing brace");
                if (com_token[0] == '}')
                        break;
 
@@ -950,24 +915,24 @@ void PRVM_ED_ParseGlobals (const char *data)
                strlcpy (keyname, com_token, sizeof(keyname));
 
                // parse value
-               if (!COM_ParseToken_Simple(&data, false, true))
-                       PRVM_ERROR ("PRVM_ED_ParseGlobals: EOF without closing brace");
+               if (!COM_ParseToken_Simple(&data, false, true, true))
+                       prog->error_cmd("PRVM_ED_ParseGlobals: EOF without closing brace");
 
                if (developer_entityparsing.integer)
                        Con_Printf(" \"%s\"\n", com_token);
 
                if (com_token[0] == '}')
-                       PRVM_ERROR ("PRVM_ED_ParseGlobals: closing brace without data");
+                       prog->error_cmd("PRVM_ED_ParseGlobals: closing brace without data");
 
-               key = PRVM_ED_FindGlobal (keyname);
+               key = PRVM_ED_FindGlobal (prog, keyname);
                if (!key)
                {
-                       Con_DPrintf("'%s' is not a global on %s\n", keyname, PRVM_NAME);
+                       Con_DPrintf("'%s' is not a global on %s\n", keyname, prog->name);
                        continue;
                }
 
-               if (!PRVM_ED_ParseEpair(NULL, key, com_token, true))
-                       PRVM_ERROR ("PRVM_ED_ParseGlobals: parse error");
+               if (!PRVM_ED_ParseEpair(prog, NULL, key, com_token, true))
+                       prog->error_cmd("PRVM_ED_ParseGlobals: parse error");
        }
 }
 
@@ -982,7 +947,7 @@ Can parse either fields or globals
 returns false if error
 =============
 */
-qboolean PRVM_ED_ParseEpair(prvm_edict_t *ent, ddef_t *key, const char *s, qboolean parsebackslash)
+qboolean PRVM_ED_ParseEpair(prvm_prog_t *prog, prvm_edict_t *ent, ddef_t *key, const char *s, qboolean parsebackslash)
 {
        int i, l;
        char *new_p;
@@ -991,14 +956,14 @@ qboolean PRVM_ED_ParseEpair(prvm_edict_t *ent, ddef_t *key, const char *s, qbool
        mfunction_t *func;
 
        if (ent)
-               val = (prvm_eval_t *)((int *)ent->fields.vp + key->ofs);
+               val = (prvm_eval_t *)(ent->fields.fp + key->ofs);
        else
-               val = (prvm_eval_t *)((int *)prog->globals.generic + key->ofs);
+               val = (prvm_eval_t *)(prog->globals.fp + key->ofs);
        switch (key->type & ~DEF_SAVEGLOBAL)
        {
        case ev_string:
                l = (int)strlen(s) + 1;
-               val->string = PRVM_AllocString(l, &new_p);
+               val->string = PRVM_AllocString(prog, l, &new_p);
                for (i = 0;i < l;i++)
                {
                        if (s[i] == '\\' && s[i+1] && parsebackslash)
@@ -1042,42 +1007,42 @@ qboolean PRVM_ED_ParseEpair(prvm_edict_t *ent, ddef_t *key, const char *s, qbool
                        s++;
                i = atoi(s);
                if (i >= prog->limit_edicts)
-                       Con_Printf("PRVM_ED_ParseEpair: ev_entity reference too large (edict %u >= MAX_EDICTS %u) on %s\n", (unsigned int)i, (unsigned int)MAX_EDICTS, PRVM_NAME);
+                       Con_Printf("PRVM_ED_ParseEpair: ev_entity reference too large (edict %u >= MAX_EDICTS %u) on %s\n", (unsigned int)i, prog->limit_edicts, prog->name);
                while (i >= prog->max_edicts)
-                       PRVM_MEM_IncreaseEdicts();
+                       PRVM_MEM_IncreaseEdicts(prog);
                // if IncreaseEdicts was called the base pointer needs to be updated
                if (ent)
-                       val = (prvm_eval_t *)((int *)ent->fields.vp + key->ofs);
+                       val = (prvm_eval_t *)(ent->fields.fp + key->ofs);
                val->edict = PRVM_EDICT_TO_PROG(PRVM_EDICT_NUM((int)i));
                break;
 
        case ev_field:
                if (*s != '.')
                {
-                       Con_DPrintf("PRVM_ED_ParseEpair: Bogus field name %s in %s\n", s, PRVM_NAME);
+                       Con_DPrintf("PRVM_ED_ParseEpair: Bogus field name %s in %s\n", s, prog->name);
                        return false;
                }
-               def = PRVM_ED_FindField(s + 1);
+               def = PRVM_ED_FindField(prog, s + 1);
                if (!def)
                {
-                       Con_DPrintf("PRVM_ED_ParseEpair: Can't find field %s in %s\n", s, PRVM_NAME);
+                       Con_DPrintf("PRVM_ED_ParseEpair: Can't find field %s in %s\n", s, prog->name);
                        return false;
                }
                val->_int = def->ofs;
                break;
 
        case ev_function:
-               func = PRVM_ED_FindFunction(s);
+               func = PRVM_ED_FindFunction(prog, s);
                if (!func)
                {
-                       Con_Printf("PRVM_ED_ParseEpair: Can't find function %s in %s\n", s, PRVM_NAME);
+                       Con_Printf("PRVM_ED_ParseEpair: Can't find function %s in %s\n", s, prog->name);
                        return false;
                }
                val->function = func - prog->functions;
                break;
 
        default:
-               Con_Printf("PRVM_ED_ParseEpair: Unknown key->type %i for key \"%s\" on %s\n", key->type, PRVM_GetString(key->s_name), PRVM_NAME);
+               Con_Printf("PRVM_ED_ParseEpair: Unknown key->type %i for key \"%s\" on %s\n", key->type, PRVM_GetString(prog, key->s_name), prog->name);
                return false;
        }
        return true;
@@ -1099,24 +1064,19 @@ All progs can support this extension; sg calls it in server QC, cg in client
 QC, mg in menu QC.
 =============
 */
-void PRVM_GameCommand(const char *whichprogs, const char *whichcmd)
+static void PRVM_GameCommand(const char *whichprogs, const char *whichcmd)
 {
+       prvm_prog_t *prog;
        if(Cmd_Argc() < 1)
        {
                Con_Printf("%s text...\n", whichcmd);
                return;
        }
 
-       PRVM_Begin;
-       if(!PRVM_SetProgFromString(whichprogs))
-       // note: this is not PRVM_SetProg because that one aborts "hard" using PRVM_Error
-       // also, it makes printing error messages easier!
-       {
-               Con_Printf("%s program not loaded.\n", whichprogs);
+       if (!(prog = PRVM_FriendlyProgFromString(whichprogs)))
                return;
-       }
 
-       if(!prog->funcoffsets.GameCommand)
+       if(!PRVM_allfunction(GameCommand))
        {
                Con_Printf("%s program do not support GameCommand!\n", whichprogs);
        }
@@ -1127,36 +1087,130 @@ void PRVM_GameCommand(const char *whichprogs, const char *whichcmd)
 
                s = Cmd_Args();
 
-               restorevm_tempstringsbuf_cursize = vm_tempstringsbuf.cursize;
-               PRVM_G_INT(OFS_PARM0) = PRVM_SetTempString(s ? s : "");
-               PRVM_ExecuteProgram (prog->funcoffsets.GameCommand, "QC function GameCommand is missing");
-               vm_tempstringsbuf.cursize = restorevm_tempstringsbuf_cursize;
+               restorevm_tempstringsbuf_cursize = prog->tempstringsbuf.cursize;
+               PRVM_G_INT(OFS_PARM0) = PRVM_SetTempString(prog, s ? s : "");
+               prog->ExecuteProgram(prog, PRVM_allfunction(GameCommand), "QC function GameCommand is missing");
+               prog->tempstringsbuf.cursize = restorevm_tempstringsbuf_cursize;
        }
-
-       PRVM_End;
 }
-void PRVM_GameCommand_Server_f(void)
+static void PRVM_GameCommand_Server_f(void)
 {
        PRVM_GameCommand("server", "sv_cmd");
 }
-void PRVM_GameCommand_Client_f(void)
+static void PRVM_GameCommand_Client_f(void)
 {
        PRVM_GameCommand("client", "cl_cmd");
 }
-void PRVM_GameCommand_Menu_f(void)
+static void PRVM_GameCommand_Menu_f(void)
 {
        PRVM_GameCommand("menu", "menu_cmd");
 }
 
 /*
 =============
+PRVM_ED_EdictGet_f
+
+Console command to load a field of a specified edict
+=============
+*/
+static void PRVM_ED_EdictGet_f(void)
+{
+       prvm_prog_t *prog;
+       prvm_edict_t *ed;
+       ddef_t *key;
+       const char *s;
+       prvm_eval_t *v;
+       char valuebuf[MAX_INPUTLINE];
+
+       if(Cmd_Argc() != 4 && Cmd_Argc() != 5)
+       {
+               Con_Print("prvm_edictget <program name> <edict number> <field> [<cvar>]\n");
+               return;
+       }
+
+       if (!(prog = PRVM_FriendlyProgFromString(Cmd_Argv(1))))
+               return;
+
+       ed = PRVM_EDICT_NUM(atoi(Cmd_Argv(2)));
+
+       if((key = PRVM_ED_FindField(prog, Cmd_Argv(3))) == 0)
+       {
+               Con_Printf("Key %s not found !\n", Cmd_Argv(3));
+               goto fail;
+       }
+
+       v = (prvm_eval_t *)(ed->fields.fp + key->ofs);
+       s = PRVM_UglyValueString(prog, (etype_t)key->type, v, valuebuf, sizeof(valuebuf));
+       if(Cmd_Argc() == 5)
+       {
+               cvar_t *cvar = Cvar_FindVar(Cmd_Argv(4));
+               if (cvar && cvar->flags & CVAR_READONLY)
+               {
+                       Con_Printf("prvm_edictget: %s is read-only\n", cvar->name);
+                       goto fail;
+               }
+               Cvar_Get(Cmd_Argv(4), s, 0, NULL);
+       }
+       else
+               Con_Printf("%s\n", s);
+
+fail:
+       ;
+}
+
+static void PRVM_ED_GlobalGet_f(void)
+{
+       prvm_prog_t *prog;
+       ddef_t *key;
+       const char *s;
+       prvm_eval_t *v;
+       char valuebuf[MAX_INPUTLINE];
+
+       if(Cmd_Argc() != 3 && Cmd_Argc() != 4)
+       {
+               Con_Print("prvm_globalget <program name> <global> [<cvar>]\n");
+               return;
+       }
+
+       if (!(prog = PRVM_FriendlyProgFromString(Cmd_Argv(1))))
+               return;
+
+       key = PRVM_ED_FindGlobal(prog, Cmd_Argv(2));
+       if(!key)
+       {
+               Con_Printf( "No global '%s' in %s!\n", Cmd_Argv(2), Cmd_Argv(1) );
+               goto fail;
+       }
+
+       v = (prvm_eval_t *) &prog->globals.fp[key->ofs];
+       s = PRVM_UglyValueString(prog, (etype_t)key->type, v, valuebuf, sizeof(valuebuf));
+       if(Cmd_Argc() == 4)
+       {
+               cvar_t *cvar = Cvar_FindVar(Cmd_Argv(3));
+               if (cvar && cvar->flags & CVAR_READONLY)
+               {
+                       Con_Printf("prvm_globalget: %s is read-only\n", cvar->name);
+                       goto fail;
+               }
+               Cvar_Get(Cmd_Argv(3), s, 0, NULL);
+       }
+       else
+               Con_Printf("%s\n", s);
+
+fail:
+       ;
+}
+
+/*
+=============
 PRVM_ED_EdictSet_f
 
 Console command to set a field of a specified edict
 =============
 */
-void PRVM_ED_EdictSet_f(void)
+static void PRVM_ED_EdictSet_f(void)
 {
+       prvm_prog_t *prog;
        prvm_edict_t *ed;
        ddef_t *key;
 
@@ -1166,21 +1220,15 @@ void PRVM_ED_EdictSet_f(void)
                return;
        }
 
-       PRVM_Begin;
-       if(!PRVM_SetProgFromString(Cmd_Argv(1)))
-       {
-               Con_Printf("Wrong program name %s !\n", Cmd_Argv(1));
+       if (!(prog = PRVM_FriendlyProgFromString(Cmd_Argv(1))))
                return;
-       }
 
        ed = PRVM_EDICT_NUM(atoi(Cmd_Argv(2)));
 
-       if((key = PRVM_ED_FindField(Cmd_Argv(3))) == 0)
+       if((key = PRVM_ED_FindField(prog, Cmd_Argv(3))) == 0)
                Con_Printf("Key %s not found !\n", Cmd_Argv(3));
        else
-               PRVM_ED_ParseEpair(ed, key, Cmd_Argv(4), true);
-
-       PRVM_End;
+               PRVM_ED_ParseEpair(prog, ed, key, Cmd_Argv(4), true);
 }
 
 /*
@@ -1192,7 +1240,7 @@ ed should be a properly initialized empty edict.
 Used for initial level load and for savegames.
 ====================
 */
-const char *PRVM_ED_ParseEdict (const char *data, prvm_edict_t *ent)
+const char *PRVM_ED_ParseEdict (prvm_prog_t *prog, const char *data, prvm_edict_t *ent)
 {
        ddef_t *key;
        qboolean anglehack;
@@ -1206,8 +1254,8 @@ const char *PRVM_ED_ParseEdict (const char *data, prvm_edict_t *ent)
        while (1)
        {
        // parse key
-               if (!COM_ParseToken_Simple(&data, false, false))
-                       PRVM_ERROR ("PRVM_ED_ParseEdict: EOF without closing brace");
+               if (!COM_ParseToken_Simple(&data, false, false, true))
+                       prog->error_cmd("PRVM_ED_ParseEdict: EOF without closing brace");
                if (developer_entityparsing.integer)
                        Con_Printf("Key: \"%s\"", com_token);
                if (com_token[0] == '}')
@@ -1238,13 +1286,13 @@ const char *PRVM_ED_ParseEdict (const char *data, prvm_edict_t *ent)
                }
 
        // parse value
-               if (!COM_ParseToken_Simple(&data, false, false))
-                       PRVM_ERROR ("PRVM_ED_ParseEdict: EOF without closing brace");
+               if (!COM_ParseToken_Simple(&data, false, false, true))
+                       prog->error_cmd("PRVM_ED_ParseEdict: EOF without closing brace");
                if (developer_entityparsing.integer)
                        Con_Printf(" \"%s\"\n", com_token);
 
                if (com_token[0] == '}')
-                       PRVM_ERROR ("PRVM_ED_ParseEdict: closing brace without data");
+                       prog->error_cmd("PRVM_ED_ParseEdict: closing brace without data");
 
                init = true;
 
@@ -1257,10 +1305,10 @@ const char *PRVM_ED_ParseEdict (const char *data, prvm_edict_t *ent)
                if (keyname[0] == '_')
                        continue;
 
-               key = PRVM_ED_FindField (keyname);
+               key = PRVM_ED_FindField (prog, keyname);
                if (!key)
                {
-                       Con_DPrintf("%s: '%s' is not a field\n", PRVM_NAME, keyname);
+                       Con_DPrintf("%s: '%s' is not a field\n", prog->name, keyname);
                        continue;
                }
 
@@ -1271,12 +1319,14 @@ const char *PRVM_ED_ParseEdict (const char *data, prvm_edict_t *ent)
                        dpsnprintf (com_token, sizeof(com_token), "0 %s 0", temp);
                }
 
-               if (!PRVM_ED_ParseEpair(ent, key, com_token, strcmp(keyname, "wad") != 0))
-                       PRVM_ERROR ("PRVM_ED_ParseEdict: parse error");
+               if (!PRVM_ED_ParseEpair(prog, ent, key, com_token, strcmp(keyname, "wad") != 0))
+                       prog->error_cmd("PRVM_ED_ParseEdict: parse error");
        }
 
-       if (!init)
+       if (!init) {
                ent->priv.required->free = true;
+               ent->priv.required->freetime = realtime;
+       }
 
        return data;
 }
@@ -1297,27 +1347,29 @@ Used for both fresh maps and savegame loads.  A fresh map would also need
 to call PRVM_ED_CallSpawnFunctions () to let the objects initialize themselves.
 ================
 */
-void PRVM_ED_LoadFromFile (const char *data)
+void PRVM_ED_LoadFromFile (prvm_prog_t *prog, const char *data)
 {
        prvm_edict_t *ent;
        int parsed, inhibited, spawned, died;
        const char *funcname;
        mfunction_t *func;
+       char vabuf[1024];
 
        parsed = 0;
        inhibited = 0;
        spawned = 0;
        died = 0;
 
+       prvm_reuseedicts_always_allow = realtime;
 
 // parse ents
        while (1)
        {
 // parse the opening brace
-               if (!COM_ParseToken_Simple(&data, false, false))
+               if (!COM_ParseToken_Simple(&data, false, false, true))
                        break;
                if (com_token[0] != '{')
-                       PRVM_ERROR ("PRVM_ED_LoadFromFile: %s: found %s when expecting {", PRVM_NAME, com_token);
+                       prog->error_cmd("PRVM_ED_LoadFromFile: %s: found %s when expecting {", prog->name, com_token);
 
                // CHANGED: this is not conform to PR_LoadFromFile
                if(prog->loadintoworld)
@@ -1326,28 +1378,29 @@ void PRVM_ED_LoadFromFile (const char *data)
                        ent = PRVM_EDICT_NUM(0);
                }
                else
-                       ent = PRVM_ED_Alloc();
+                       ent = PRVM_ED_Alloc(prog);
 
                // clear it
                if (ent != prog->edicts)        // hack
-                       memset (ent->fields.vp, 0, prog->progs->entityfields * 4);
+                       memset (ent->fields.fp, 0, prog->entityfields * sizeof(prvm_vec_t));
 
-               data = PRVM_ED_ParseEdict (data, ent);
+               data = PRVM_ED_ParseEdict (prog, data, ent);
                parsed++;
 
                // remove the entity ?
-               if(prog->load_edict && !prog->load_edict(ent))
+               if(!prog->load_edict(prog, ent))
                {
-                       PRVM_ED_Free(ent);
+                       PRVM_ED_Free(prog, ent);
                        inhibited++;
                        continue;
                }
 
-               if (prog->funcoffsets.SV_OnEntityPreSpawnFunction)
+               if (PRVM_serverfunction(SV_OnEntityPreSpawnFunction))
                {
                        // self = ent
-                       PRVM_GLOBALFIELDVALUE(prog->globaloffsets.self)->edict = PRVM_EDICT_TO_PROG(ent);
-                       PRVM_ExecuteProgram (prog->funcoffsets.SV_OnEntityPreSpawnFunction, "QC function SV_OnEntityPreSpawnFunction is missing");
+                       PRVM_serverglobalfloat(time) = sv.time;
+                       PRVM_serverglobaledict(self) = PRVM_EDICT_TO_PROG(ent);
+                       prog->ExecuteProgram(prog, PRVM_serverfunction(SV_OnEntityPreSpawnFunction), "QC function SV_OnEntityPreSpawnFunction is missing");
                }
 
                if(ent->priv.required->free)
@@ -1360,58 +1413,59 @@ void PRVM_ED_LoadFromFile (const char *data)
 // immediately call spawn function, but only if there is a self global and a classname
 //
                if(!ent->priv.required->free)
-               if(prog->globaloffsets.self >= 0 && prog->fieldoffsets.classname >= 0)
                {
-                       string_t handle =  PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.classname)->string;
-                       if (!handle)
+                       if (!PRVM_alledictstring(ent, classname))
                        {
                                Con_Print("No classname for:\n");
-                               PRVM_ED_Print(ent, NULL);
-                               PRVM_ED_Free (ent);
+                               PRVM_ED_Print(prog, ent, NULL);
+                               PRVM_ED_Free (prog, ent);
                                continue;
                        }
 
                        // look for the spawn function
-                       funcname = PRVM_GetString(handle);
-                       func = PRVM_ED_FindFunction (va("spawnfunc_%s", funcname));
+                       funcname = PRVM_GetString(prog, PRVM_alledictstring(ent, classname));
+                       func = PRVM_ED_FindFunction (prog, va(vabuf, sizeof(vabuf), "spawnfunc_%s", funcname));
                        if(!func)
-                               if(prog->globaloffsets.require_spawnfunc_prefix < 0)
-                                       func = PRVM_ED_FindFunction (funcname);
+                               if(!PRVM_allglobalfloat(require_spawnfunc_prefix))
+                                       func = PRVM_ED_FindFunction (prog, funcname);
 
                        if (!func)
                        {
                                // check for OnEntityNoSpawnFunction
-                               if (prog->funcoffsets.SV_OnEntityNoSpawnFunction)
+                               if (PRVM_serverfunction(SV_OnEntityNoSpawnFunction))
                                {
                                        // self = ent
-                                       PRVM_GLOBALFIELDVALUE(prog->globaloffsets.self)->edict = PRVM_EDICT_TO_PROG(ent);
-                                       PRVM_ExecuteProgram (prog->funcoffsets.SV_OnEntityNoSpawnFunction, "QC function SV_OnEntityNoSpawnFunction is missing");
+                                       PRVM_serverglobalfloat(time) = sv.time;
+                                       PRVM_serverglobaledict(self) = PRVM_EDICT_TO_PROG(ent);
+                                       prog->ExecuteProgram(prog, PRVM_serverfunction(SV_OnEntityNoSpawnFunction), "QC function SV_OnEntityNoSpawnFunction is missing");
                                }
                                else
                                {
-                                       if (developer.integer) // don't confuse non-developers with errors
+                                       if (developer.integer > 0) // don't confuse non-developers with errors
                                        {
                                                Con_Print("No spawn function for:\n");
-                                               PRVM_ED_Print(ent, NULL);
+                                               PRVM_ED_Print(prog, ent, NULL);
                                        }
-                                       PRVM_ED_Free (ent);
+                                       PRVM_ED_Free (prog, ent);
                                        continue; // not included in "inhibited" count
                                }
                        }
                        else
                        {
                                // self = ent
-                               PRVM_GLOBALFIELDVALUE(prog->globaloffsets.self)->edict = PRVM_EDICT_TO_PROG(ent);
-                               PRVM_ExecuteProgram (func - prog->functions, "");
+                               PRVM_serverglobalfloat(time) = sv.time;
+                               PRVM_allglobaledict(self) = PRVM_EDICT_TO_PROG(ent);
+                               prog->ExecuteProgram(prog, func - prog->functions, "");
                        }
                }
 
                if(!ent->priv.required->free)
-               if (prog->funcoffsets.SV_OnEntityPostSpawnFunction)
+               if (PRVM_serverfunction(SV_OnEntityPostSpawnFunction))
                {
                        // self = ent
-                       PRVM_GLOBALFIELDVALUE(prog->globaloffsets.self)->edict = PRVM_EDICT_TO_PROG(ent);
-                       PRVM_ExecuteProgram (prog->funcoffsets.SV_OnEntityPostSpawnFunction, "QC function SV_OnEntityPostSpawnFunction is missing");
+                       PRVM_serverglobalfloat(time) = sv.time;
+                       PRVM_serverglobaledict(self) = PRVM_EDICT_TO_PROG(ent);
+                       prog->ExecuteProgram(prog, PRVM_serverfunction(SV_OnEntityPostSpawnFunction), "QC function SV_OnEntityPostSpawnFunction is missing");
                }
 
                spawned++;
@@ -1419,193 +1473,91 @@ void PRVM_ED_LoadFromFile (const char *data)
                        died++;
        }
 
-       Con_DPrintf("%s: %i new entities parsed, %i new inhibited, %i (%i new) spawned (whereas %i removed self, %i stayed)\n", PRVM_NAME, parsed, inhibited, prog->num_edicts, spawned, died, spawned - died);
+       Con_DPrintf("%s: %i new entities parsed, %i new inhibited, %i (%i new) spawned (whereas %i removed self, %i stayed)\n", prog->name, parsed, inhibited, prog->num_edicts, spawned, died, spawned - died);
+
+       prvm_reuseedicts_always_allow = 0;
 }
 
-void PRVM_FindOffsets(void)
+static void PRVM_FindOffsets(prvm_prog_t *prog)
 {
        // field and global searches use -1 for NULL
        memset(&prog->fieldoffsets, -1, sizeof(prog->fieldoffsets));
        memset(&prog->globaloffsets, -1, sizeof(prog->globaloffsets));
-       // functions use 0 for NULL
+       // function searches use 0 for NULL
        memset(&prog->funcoffsets, 0, sizeof(prog->funcoffsets));
-
-       // server and client qc use a lot of similar fields, so this is combined
-       prog->fieldoffsets.SendEntity                     = PRVM_ED_FindFieldOffset("SendEntity");
-       prog->fieldoffsets.SendFlags                      = PRVM_ED_FindFieldOffset("SendFlags");
-       prog->fieldoffsets.Version                        = PRVM_ED_FindFieldOffset("Version");
-       prog->fieldoffsets.alpha                          = PRVM_ED_FindFieldOffset("alpha");
-       prog->fieldoffsets.ammo_cells1                    = PRVM_ED_FindFieldOffset("ammo_cells1");
-       prog->fieldoffsets.ammo_lava_nails                = PRVM_ED_FindFieldOffset("ammo_lava_nails");
-       prog->fieldoffsets.ammo_multi_rockets             = PRVM_ED_FindFieldOffset("ammo_multi_rockets");
-       prog->fieldoffsets.ammo_nails1                    = PRVM_ED_FindFieldOffset("ammo_nails1");
-       prog->fieldoffsets.ammo_plasma                    = PRVM_ED_FindFieldOffset("ammo_plasma");
-       prog->fieldoffsets.ammo_rockets1                  = PRVM_ED_FindFieldOffset("ammo_rockets1");
-       prog->fieldoffsets.ammo_shells1                   = PRVM_ED_FindFieldOffset("ammo_shells1");
-       prog->fieldoffsets.angles                         = PRVM_ED_FindFieldOffset("angles");
-       prog->fieldoffsets.button3                        = PRVM_ED_FindFieldOffset("button3");
-       prog->fieldoffsets.button4                        = PRVM_ED_FindFieldOffset("button4");
-       prog->fieldoffsets.button5                        = PRVM_ED_FindFieldOffset("button5");
-       prog->fieldoffsets.button6                        = PRVM_ED_FindFieldOffset("button6");
-       prog->fieldoffsets.button7                        = PRVM_ED_FindFieldOffset("button7");
-       prog->fieldoffsets.button8                        = PRVM_ED_FindFieldOffset("button8");
-       prog->fieldoffsets.button9                        = PRVM_ED_FindFieldOffset("button9");
-       prog->fieldoffsets.button10                       = PRVM_ED_FindFieldOffset("button10");
-       prog->fieldoffsets.button11                       = PRVM_ED_FindFieldOffset("button11");
-       prog->fieldoffsets.button12                       = PRVM_ED_FindFieldOffset("button12");
-       prog->fieldoffsets.button13                       = PRVM_ED_FindFieldOffset("button13");
-       prog->fieldoffsets.button14                       = PRVM_ED_FindFieldOffset("button14");
-       prog->fieldoffsets.button15                       = PRVM_ED_FindFieldOffset("button15");
-       prog->fieldoffsets.button16                       = PRVM_ED_FindFieldOffset("button16");
-       prog->fieldoffsets.buttonchat                     = PRVM_ED_FindFieldOffset("buttonchat");
-       prog->fieldoffsets.buttonuse                      = PRVM_ED_FindFieldOffset("buttonuse");
-       prog->fieldoffsets.chain                          = PRVM_ED_FindFieldOffset("chain");
-       prog->fieldoffsets.classname                      = PRVM_ED_FindFieldOffset("classname");
-       prog->fieldoffsets.clientcamera                   = PRVM_ED_FindFieldOffset("clientcamera");
-       prog->fieldoffsets.clientcolors                   = PRVM_ED_FindFieldOffset("clientcolors");
-       prog->fieldoffsets.clientstatus                   = PRVM_ED_FindFieldOffset("clientstatus");
-       prog->fieldoffsets.color                          = PRVM_ED_FindFieldOffset("color");
-       prog->fieldoffsets.colormod                       = PRVM_ED_FindFieldOffset("colormod");
-       prog->fieldoffsets.contentstransition             = PRVM_ED_FindFieldOffset("contentstransition");
-       prog->fieldoffsets.cursor_active                  = PRVM_ED_FindFieldOffset("cursor_active");
-       prog->fieldoffsets.cursor_screen                  = PRVM_ED_FindFieldOffset("cursor_screen");
-       prog->fieldoffsets.cursor_trace_endpos            = PRVM_ED_FindFieldOffset("cursor_trace_endpos");
-       prog->fieldoffsets.cursor_trace_ent               = PRVM_ED_FindFieldOffset("cursor_trace_ent");
-       prog->fieldoffsets.cursor_trace_start             = PRVM_ED_FindFieldOffset("cursor_trace_start");
-       prog->fieldoffsets.customizeentityforclient       = PRVM_ED_FindFieldOffset("customizeentityforclient");
-       prog->fieldoffsets.dimension_hit                  = PRVM_ED_FindFieldOffset("dimension_hit");
-       prog->fieldoffsets.dimension_solid                = PRVM_ED_FindFieldOffset("dimension_solid");
-       prog->fieldoffsets.disableclientprediction        = PRVM_ED_FindFieldOffset("disableclientprediction");
-       prog->fieldoffsets.dphitcontentsmask              = PRVM_ED_FindFieldOffset("dphitcontentsmask");
-       prog->fieldoffsets.drawonlytoclient               = PRVM_ED_FindFieldOffset("drawonlytoclient");
-       prog->fieldoffsets.exteriormodeltoclient          = PRVM_ED_FindFieldOffset("exteriormodeltoclient");
-       prog->fieldoffsets.fatness                        = PRVM_ED_FindFieldOffset("fatness");
-       prog->fieldoffsets.forceshader                    = PRVM_ED_FindFieldOffset("forceshader");
-       prog->fieldoffsets.frame                          = PRVM_ED_FindFieldOffset("frame");
-       prog->fieldoffsets.frame1time                     = PRVM_ED_FindFieldOffset("frame1time");
-       prog->fieldoffsets.frame2                         = PRVM_ED_FindFieldOffset("frame2");
-       prog->fieldoffsets.frame2time                     = PRVM_ED_FindFieldOffset("frame2time");
-       prog->fieldoffsets.frame3                         = PRVM_ED_FindFieldOffset("frame3");
-       prog->fieldoffsets.frame3time                     = PRVM_ED_FindFieldOffset("frame3time");
-       prog->fieldoffsets.frame4                         = PRVM_ED_FindFieldOffset("frame4");
-       prog->fieldoffsets.frame4time                     = PRVM_ED_FindFieldOffset("frame4time");
-       prog->fieldoffsets.fullbright                     = PRVM_ED_FindFieldOffset("fullbright");
-       prog->fieldoffsets.glow_color                     = PRVM_ED_FindFieldOffset("glow_color");
-       prog->fieldoffsets.glow_size                      = PRVM_ED_FindFieldOffset("glow_size");
-       prog->fieldoffsets.glow_trail                     = PRVM_ED_FindFieldOffset("glow_trail");
-       prog->fieldoffsets.gravity                        = PRVM_ED_FindFieldOffset("gravity");
-       prog->fieldoffsets.groundentity                   = PRVM_ED_FindFieldOffset("groundentity");
-       prog->fieldoffsets.hull                           = PRVM_ED_FindFieldOffset("hull");
-       prog->fieldoffsets.ideal_yaw                      = PRVM_ED_FindFieldOffset("ideal_yaw");
-       prog->fieldoffsets.idealpitch                     = PRVM_ED_FindFieldOffset("idealpitch");
-       prog->fieldoffsets.items2                         = PRVM_ED_FindFieldOffset("items2");
-       prog->fieldoffsets.lerpfrac                       = PRVM_ED_FindFieldOffset("lerpfrac");
-       prog->fieldoffsets.lerpfrac3                      = PRVM_ED_FindFieldOffset("lerpfrac3");
-       prog->fieldoffsets.lerpfrac4                      = PRVM_ED_FindFieldOffset("lerpfrac4");
-       prog->fieldoffsets.light_lev                      = PRVM_ED_FindFieldOffset("light_lev");
-       prog->fieldoffsets.message                        = PRVM_ED_FindFieldOffset("message");
-       prog->fieldoffsets.modelflags                     = PRVM_ED_FindFieldOffset("modelflags");
-       prog->fieldoffsets.movement                       = PRVM_ED_FindFieldOffset("movement");
-       prog->fieldoffsets.movetypesteplandevent          = PRVM_ED_FindFieldOffset("movetypesteplandevent");
-       prog->fieldoffsets.netaddress                     = PRVM_ED_FindFieldOffset("netaddress");
-       prog->fieldoffsets.nextthink                      = PRVM_ED_FindFieldOffset("nextthink");
-       prog->fieldoffsets.nodrawtoclient                 = PRVM_ED_FindFieldOffset("nodrawtoclient");
-       prog->fieldoffsets.pflags                         = PRVM_ED_FindFieldOffset("pflags");
-       prog->fieldoffsets.ping                           = PRVM_ED_FindFieldOffset("ping");
-       prog->fieldoffsets.pitch_speed                    = PRVM_ED_FindFieldOffset("pitch_speed");
-       prog->fieldoffsets.playermodel                    = PRVM_ED_FindFieldOffset("playermodel");
-       prog->fieldoffsets.playerskin                     = PRVM_ED_FindFieldOffset("playerskin");
-       prog->fieldoffsets.pmodel                         = PRVM_ED_FindFieldOffset("pmodel");
-       prog->fieldoffsets.punchvector                    = PRVM_ED_FindFieldOffset("punchvector");
-       prog->fieldoffsets.renderamt                      = PRVM_ED_FindFieldOffset("renderamt"); // HalfLife support
-       prog->fieldoffsets.renderflags                    = PRVM_ED_FindFieldOffset("renderflags");
-       prog->fieldoffsets.rendermode                     = PRVM_ED_FindFieldOffset("rendermode"); // HalfLife support
-       prog->fieldoffsets.scale                          = PRVM_ED_FindFieldOffset("scale");
-       prog->fieldoffsets.shadertime                     = PRVM_ED_FindFieldOffset("shadertime");
-       prog->fieldoffsets.style                          = PRVM_ED_FindFieldOffset("style");
-       prog->fieldoffsets.tag_entity                     = PRVM_ED_FindFieldOffset("tag_entity");
-       prog->fieldoffsets.tag_index                      = PRVM_ED_FindFieldOffset("tag_index");
-       prog->fieldoffsets.think                          = PRVM_ED_FindFieldOffset("think");
-       prog->fieldoffsets.viewmodelforclient             = PRVM_ED_FindFieldOffset("viewmodelforclient");
-       prog->fieldoffsets.viewzoom                       = PRVM_ED_FindFieldOffset("viewzoom");
-       prog->fieldoffsets.yaw_speed                      = PRVM_ED_FindFieldOffset("yaw_speed");
-       prog->fieldoffsets.bouncefactor                   = PRVM_ED_FindFieldOffset("bouncefactor");
-       prog->fieldoffsets.bouncestop                     = PRVM_ED_FindFieldOffset("bouncestop");
-       prog->funcoffsets.CSQC_ConsoleCommand             = PRVM_ED_FindFunctionOffset("CSQC_ConsoleCommand");
-       prog->funcoffsets.CSQC_Ent_Remove                 = PRVM_ED_FindFunctionOffset("CSQC_Ent_Remove");
-       prog->funcoffsets.CSQC_Ent_Spawn                  = PRVM_ED_FindFunctionOffset("CSQC_Ent_Spawn");
-       prog->funcoffsets.CSQC_Ent_Update                 = PRVM_ED_FindFunctionOffset("CSQC_Ent_Update");
-       prog->funcoffsets.CSQC_Event                      = PRVM_ED_FindFunctionOffset("CSQC_Event");
-       prog->funcoffsets.CSQC_Event_Sound                = PRVM_ED_FindFunctionOffset("CSQC_Event_Sound");
-       prog->funcoffsets.CSQC_Init                       = PRVM_ED_FindFunctionOffset("CSQC_Init");
-       prog->funcoffsets.CSQC_InputEvent                 = PRVM_ED_FindFunctionOffset("CSQC_InputEvent");
-       prog->funcoffsets.CSQC_Parse_CenterPrint          = PRVM_ED_FindFunctionOffset("CSQC_Parse_CenterPrint");
-       prog->funcoffsets.CSQC_Parse_Print                = PRVM_ED_FindFunctionOffset("CSQC_Parse_Print");
-       prog->funcoffsets.CSQC_Parse_StuffCmd             = PRVM_ED_FindFunctionOffset("CSQC_Parse_StuffCmd");
-       prog->funcoffsets.CSQC_Parse_TempEntity           = PRVM_ED_FindFunctionOffset("CSQC_Parse_TempEntity");
-       prog->funcoffsets.CSQC_Shutdown                   = PRVM_ED_FindFunctionOffset("CSQC_Shutdown");
-       prog->funcoffsets.CSQC_UpdateView                 = PRVM_ED_FindFunctionOffset("CSQC_UpdateView");
-       prog->funcoffsets.EndFrame                        = PRVM_ED_FindFunctionOffset("EndFrame");
-       prog->funcoffsets.GameCommand                     = PRVM_ED_FindFunctionOffset("GameCommand");
-       prog->funcoffsets.Gecko_Query                     = PRVM_ED_FindFunctionOffset("Gecko_Query");
-       prog->funcoffsets.RestoreGame                     = PRVM_ED_FindFunctionOffset("RestoreGame");
-       prog->funcoffsets.SV_ChangeTeam                   = PRVM_ED_FindFunctionOffset("SV_ChangeTeam");
-       prog->funcoffsets.SV_OnEntityNoSpawnFunction      = PRVM_ED_FindFunctionOffset("SV_OnEntityNoSpawnFunction");
-       prog->funcoffsets.SV_OnEntityPostSpawnFunction    = PRVM_ED_FindFunctionOffset("SV_OnEntityPostSpawnFunction");
-       prog->funcoffsets.SV_OnEntityPreSpawnFunction     = PRVM_ED_FindFunctionOffset("SV_OnEntityPreSpawnFunction");
-       prog->funcoffsets.SV_ParseClientCommand           = PRVM_ED_FindFunctionOffset("SV_ParseClientCommand");
-       prog->funcoffsets.SV_PausedTic                    = PRVM_ED_FindFunctionOffset("SV_PausedTic");
-       prog->funcoffsets.SV_PlayerPhysics                = PRVM_ED_FindFunctionOffset("SV_PlayerPhysics");
-       prog->funcoffsets.SV_Shutdown                     = PRVM_ED_FindFunctionOffset("SV_Shutdown");
-       prog->funcoffsets.URI_Get_Callback                = PRVM_ED_FindFunctionOffset("URI_Get_Callback");
-       prog->globaloffsets.SV_InitCmd                    = PRVM_ED_FindGlobalOffset("SV_InitCmd");
-       prog->globaloffsets.coop                          = PRVM_ED_FindGlobalOffset("coop");
-       prog->globaloffsets.deathmatch                    = PRVM_ED_FindGlobalOffset("deathmatch");
-       prog->globaloffsets.dmg_origin                    = PRVM_ED_FindGlobalOffset("dmg_origin");
-       prog->globaloffsets.dmg_save                      = PRVM_ED_FindGlobalOffset("dmg_save");
-       prog->globaloffsets.dmg_take                      = PRVM_ED_FindGlobalOffset("dmg_take");
-       prog->globaloffsets.drawfont                      = PRVM_ED_FindGlobalOffset("drawfont");
-       prog->globaloffsets.gettaginfo_forward            = PRVM_ED_FindGlobalOffset("gettaginfo_forward");
-       prog->globaloffsets.gettaginfo_name               = PRVM_ED_FindGlobalOffset("gettaginfo_name");
-       prog->globaloffsets.gettaginfo_offset             = PRVM_ED_FindGlobalOffset("gettaginfo_offset");
-       prog->globaloffsets.gettaginfo_parent             = PRVM_ED_FindGlobalOffset("gettaginfo_parent");
-       prog->globaloffsets.gettaginfo_right              = PRVM_ED_FindGlobalOffset("gettaginfo_right");
-       prog->globaloffsets.gettaginfo_up                 = PRVM_ED_FindGlobalOffset("gettaginfo_up");
-       prog->globaloffsets.intermission                  = PRVM_ED_FindGlobalOffset("intermission");
-       prog->globaloffsets.require_spawnfunc_prefix      = PRVM_ED_FindGlobalOffset("require_spawnfunc_prefix");
-       prog->globaloffsets.sb_showscores                 = PRVM_ED_FindGlobalOffset("sb_showscores");
-       prog->globaloffsets.self                          = PRVM_ED_FindGlobalOffset("self");
-       prog->globaloffsets.serverdeltatime               = PRVM_ED_FindGlobalOffset("serverdeltatime");
-       prog->globaloffsets.serverprevtime                = PRVM_ED_FindGlobalOffset("serverprevtime");
-       prog->globaloffsets.servertime                    = PRVM_ED_FindGlobalOffset("servertime");
-       prog->globaloffsets.time                          = PRVM_ED_FindGlobalOffset("time");
-       prog->globaloffsets.trace_allsolid                = PRVM_ED_FindGlobalOffset("trace_allsolid");
-       prog->globaloffsets.trace_dphitcontents           = PRVM_ED_FindGlobalOffset("trace_dphitcontents");
-       prog->globaloffsets.trace_dphitq3surfaceflags     = PRVM_ED_FindGlobalOffset("trace_dphitq3surfaceflags");
-       prog->globaloffsets.trace_dphittexturename        = PRVM_ED_FindGlobalOffset("trace_dphittexturename");
-       prog->globaloffsets.trace_dpstartcontents         = PRVM_ED_FindGlobalOffset("trace_dpstartcontents");
-       prog->globaloffsets.trace_endpos                  = PRVM_ED_FindGlobalOffset("trace_endpos");
-       prog->globaloffsets.trace_ent                     = PRVM_ED_FindGlobalOffset("trace_ent");
-       prog->globaloffsets.trace_fraction                = PRVM_ED_FindGlobalOffset("trace_fraction");
-       prog->globaloffsets.trace_inopen                  = PRVM_ED_FindGlobalOffset("trace_inopen");
-       prog->globaloffsets.trace_inwater                 = PRVM_ED_FindGlobalOffset("trace_inwater");
-       prog->globaloffsets.trace_networkentity           = PRVM_ED_FindGlobalOffset("trace_networkentity");
-       prog->globaloffsets.trace_plane_dist              = PRVM_ED_FindGlobalOffset("trace_plane_dist");
-       prog->globaloffsets.trace_plane_normal            = PRVM_ED_FindGlobalOffset("trace_plane_normal");
-       prog->globaloffsets.trace_startsolid              = PRVM_ED_FindGlobalOffset("trace_startsolid");
-       prog->globaloffsets.v_forward                     = PRVM_ED_FindGlobalOffset("v_forward");
-       prog->globaloffsets.v_right                       = PRVM_ED_FindGlobalOffset("v_right");
-       prog->globaloffsets.v_up                          = PRVM_ED_FindGlobalOffset("v_up");
-       prog->globaloffsets.view_angles                   = PRVM_ED_FindGlobalOffset("view_angles");
-       prog->globaloffsets.worldstatus                   = PRVM_ED_FindGlobalOffset("worldstatus");
-
-       // menu qc only uses some functions, nothing else
-       prog->funcoffsets.m_draw                          = PRVM_ED_FindFunctionOffset("m_draw");
-       prog->funcoffsets.m_init                          = PRVM_ED_FindFunctionOffset("m_init");
-       prog->funcoffsets.m_keydown                       = PRVM_ED_FindFunctionOffset("m_keydown");
-       prog->funcoffsets.m_keyup                         = PRVM_ED_FindFunctionOffset("m_keyup");
-       prog->funcoffsets.m_shutdown                      = PRVM_ED_FindFunctionOffset("m_shutdown");
-       prog->funcoffsets.m_toggle                        = PRVM_ED_FindFunctionOffset("m_toggle");
+#define PRVM_DECLARE_serverglobalfloat(x)
+#define PRVM_DECLARE_serverglobalvector(x)
+#define PRVM_DECLARE_serverglobalstring(x)
+#define PRVM_DECLARE_serverglobaledict(x)
+#define PRVM_DECLARE_serverglobalfunction(x)
+#define PRVM_DECLARE_clientglobalfloat(x)
+#define PRVM_DECLARE_clientglobalvector(x)
+#define PRVM_DECLARE_clientglobalstring(x)
+#define PRVM_DECLARE_clientglobaledict(x)
+#define PRVM_DECLARE_clientglobalfunction(x)
+#define PRVM_DECLARE_menuglobalfloat(x)
+#define PRVM_DECLARE_menuglobalvector(x)
+#define PRVM_DECLARE_menuglobalstring(x)
+#define PRVM_DECLARE_menuglobaledict(x)
+#define PRVM_DECLARE_menuglobalfunction(x)
+#define PRVM_DECLARE_serverfieldfloat(x)
+#define PRVM_DECLARE_serverfieldvector(x)
+#define PRVM_DECLARE_serverfieldstring(x)
+#define PRVM_DECLARE_serverfieldedict(x)
+#define PRVM_DECLARE_serverfieldfunction(x)
+#define PRVM_DECLARE_clientfieldfloat(x)
+#define PRVM_DECLARE_clientfieldvector(x)
+#define PRVM_DECLARE_clientfieldstring(x)
+#define PRVM_DECLARE_clientfieldedict(x)
+#define PRVM_DECLARE_clientfieldfunction(x)
+#define PRVM_DECLARE_menufieldfloat(x)
+#define PRVM_DECLARE_menufieldvector(x)
+#define PRVM_DECLARE_menufieldstring(x)
+#define PRVM_DECLARE_menufieldedict(x)
+#define PRVM_DECLARE_menufieldfunction(x)
+#define PRVM_DECLARE_serverfunction(x)
+#define PRVM_DECLARE_clientfunction(x)
+#define PRVM_DECLARE_menufunction(x)
+#define PRVM_DECLARE_field(x) prog->fieldoffsets.x = PRVM_ED_FindFieldOffset(prog, #x);
+#define PRVM_DECLARE_global(x) prog->globaloffsets.x = PRVM_ED_FindGlobalOffset(prog, #x);
+#define PRVM_DECLARE_function(x) prog->funcoffsets.x = PRVM_ED_FindFunctionOffset(prog, #x);
+#include "prvm_offsets.h"
+#undef PRVM_DECLARE_serverglobalfloat
+#undef PRVM_DECLARE_serverglobalvector
+#undef PRVM_DECLARE_serverglobalstring
+#undef PRVM_DECLARE_serverglobaledict
+#undef PRVM_DECLARE_serverglobalfunction
+#undef PRVM_DECLARE_clientglobalfloat
+#undef PRVM_DECLARE_clientglobalvector
+#undef PRVM_DECLARE_clientglobalstring
+#undef PRVM_DECLARE_clientglobaledict
+#undef PRVM_DECLARE_clientglobalfunction
+#undef PRVM_DECLARE_menuglobalfloat
+#undef PRVM_DECLARE_menuglobalvector
+#undef PRVM_DECLARE_menuglobalstring
+#undef PRVM_DECLARE_menuglobaledict
+#undef PRVM_DECLARE_menuglobalfunction
+#undef PRVM_DECLARE_serverfieldfloat
+#undef PRVM_DECLARE_serverfieldvector
+#undef PRVM_DECLARE_serverfieldstring
+#undef PRVM_DECLARE_serverfieldedict
+#undef PRVM_DECLARE_serverfieldfunction
+#undef PRVM_DECLARE_clientfieldfloat
+#undef PRVM_DECLARE_clientfieldvector
+#undef PRVM_DECLARE_clientfieldstring
+#undef PRVM_DECLARE_clientfieldedict
+#undef PRVM_DECLARE_clientfieldfunction
+#undef PRVM_DECLARE_menufieldfloat
+#undef PRVM_DECLARE_menufieldvector
+#undef PRVM_DECLARE_menufieldstring
+#undef PRVM_DECLARE_menufieldedict
+#undef PRVM_DECLARE_menufieldfunction
+#undef PRVM_DECLARE_serverfunction
+#undef PRVM_DECLARE_clientfunction
+#undef PRVM_DECLARE_menufunction
+#undef PRVM_DECLARE_field
+#undef PRVM_DECLARE_global
+#undef PRVM_DECLARE_function
 }
 
 // not used
@@ -1630,14 +1582,275 @@ PRVM_ResetProg
 ===============
 */
 
-void PRVM_LeakTest(void);
-void PRVM_ResetProg(void)
+#define PO_HASHSIZE 16384
+typedef struct po_string_s
+{
+       char *key, *value;
+       struct po_string_s *nextonhashchain;
+}
+po_string_t;
+typedef struct po_s
+{
+       po_string_t *hashtable[PO_HASHSIZE];
+}
+po_t;
+static void PRVM_PO_UnparseString(char *out, const char *in, size_t outsize)
+{
+       for(;;)
+       {
+               switch(*in)
+               {
+                       case 0:
+                               *out++ = 0;
+                               return;
+                       case '\a': if(outsize >= 2) { *out++ = '\\'; *out++ = 'a'; outsize -= 2; } break;
+                       case '\b': if(outsize >= 2) { *out++ = '\\'; *out++ = 'b'; outsize -= 2; } break;
+                       case '\t': if(outsize >= 2) { *out++ = '\\'; *out++ = 't'; outsize -= 2; } break;
+                       case '\r': if(outsize >= 2) { *out++ = '\\'; *out++ = 'r'; outsize -= 2; } break;
+                       case '\n': if(outsize >= 2) { *out++ = '\\'; *out++ = 'n'; outsize -= 2; } break;
+                       case '\\': if(outsize >= 2) { *out++ = '\\'; *out++ = '\\'; outsize -= 2; } break;
+                       case '"': if(outsize >= 2) { *out++ = '\\'; *out++ = '"'; outsize -= 2; } break;
+                       default:
+                               if(*in >= 0 && *in <= 0x1F)
+                               {
+                                       if(outsize >= 4)
+                                       {
+                                               *out++ = '\\';
+                                               *out++ = '0' + ((*in & 0700) >> 6);
+                                               *out++ = '0' + ((*in & 0070) >> 3);
+                                               *out++ = '0' +  (*in & 0007)      ;
+                                               outsize -= 4;
+                                       }
+                               }
+                               else
+                               {
+                                       if(outsize >= 1)
+                                       {
+                                               *out++ = *in;
+                                               outsize -= 1;
+                                       }
+                               }
+                               break;
+               }
+               ++in;
+       }
+}
+static void PRVM_PO_ParseString(char *out, const char *in, size_t outsize)
+{
+       for(;;)
+       {
+               switch(*in)
+               {
+                       case 0:
+                               *out++ = 0;
+                               return;
+                       case '\\':
+                               ++in;
+                               switch(*in)
+                               {
+                                       case 'a': if(outsize > 0) { *out++ = '\a'; --outsize; } break;
+                                       case 'b': if(outsize > 0) { *out++ = '\b'; --outsize; } break;
+                                       case 't': if(outsize > 0) { *out++ = '\t'; --outsize; } break;
+                                       case 'r': if(outsize > 0) { *out++ = '\r'; --outsize; } break;
+                                       case 'n': if(outsize > 0) { *out++ = '\n'; --outsize; } break;
+                                       case '\\': if(outsize > 0) { *out++ = '\\'; --outsize; } break;
+                                       case '"': if(outsize > 0) { *out++ = '"'; --outsize; } break;
+                                       case '0': case '1': case '2': case '3': case '4': case '5': case '6': case '7':
+                                               if(outsize > 0) 
+                                                       *out = *in - '0';
+                                               ++in;
+                                               if(*in >= '0' && *in <= '7')
+                                               {
+                                                       if(outsize > 0)
+                                                               *out = (*out << 3) | (*in - '0');
+                                                       ++in;
+                                               }
+                                               if(*in >= '0' && *in <= '7')
+                                               {
+                                                       if(outsize > 0)
+                                                               *out = (*out << 3) | (*in - '0');
+                                                       ++in;
+                                               }
+                                               --in;
+                                               if(outsize > 0)
+                                               {
+                                                       ++out;
+                                                       --outsize;
+                                               }
+                                               break;
+                                       default:
+                                               if(outsize > 0) { *out++ = *in; --outsize; }
+                                               break;
+                               }
+                               break;
+                       default:
+                               if(outsize > 0)
+                               {
+                                       *out++ = *in;
+                                       --outsize;
+                               }
+                               break;
+               }
+               ++in;
+       }
+}
+static po_t *PRVM_PO_Load(const char *filename, const char *filename2, mempool_t *pool)
+{
+       po_t *po = NULL;
+       const char *p, *q;
+       int mode;
+       char inbuf[MAX_INPUTLINE];
+       char decodedbuf[MAX_INPUTLINE];
+       size_t decodedpos;
+       int hashindex;
+       po_string_t thisstr;
+       int i;
+
+       for (i = 0; i < 2; ++i)
+       {
+               const char *buf = (const char *)
+                       FS_LoadFile((i > 0 ? filename : filename2), pool, true, NULL);
+               // first read filename2, then read filename
+               // so that progs.dat.de.po wins over common.de.po
+               // and within file, last item wins
+
+               if(!buf)
+                       continue;
+
+               if (!po)
+               {
+                       po = (po_t *)Mem_Alloc(pool, sizeof(*po));
+                       memset(po, 0, sizeof(*po));
+               }
+
+               memset(&thisstr, 0, sizeof(thisstr)); // hush compiler warning
+
+               p = buf;
+               while(*p)
+               {
+                       if(*p == '#')
+                       {
+                               // skip to newline
+                               p = strchr(p, '\n');
+                               if(!p)
+                                       break;
+                               ++p;
+                               continue;
+                       }
+                       if(*p == '\r' || *p == '\n')
+                       {
+                               ++p;
+                               continue;
+                       }
+                       if(!strncmp(p, "msgid \"", 7))
+                       {
+                               mode = 0;
+                               p += 6;
+                       }
+                       else if(!strncmp(p, "msgstr \"", 8))
+                       {
+                               mode = 1;
+                               p += 7;
+                       }
+                       else
+                       {
+                               p = strchr(p, '\n');
+                               if(!p)
+                                       break;
+                               ++p;
+                               continue;
+                       }
+                       decodedpos = 0;
+                       while(*p == '"')
+                       {
+                               ++p;
+                               q = strchr(p, '\n');
+                               if(!q)
+                                       break;
+                               if(*(q-1) == '\r')
+                                       --q;
+                               if(*(q-1) != '"')
+                                       break;
+                               if((size_t)(q - p) >= (size_t) sizeof(inbuf))
+                                       break;
+                               strlcpy(inbuf, p, q - p); // not - 1, because this adds a NUL
+                               PRVM_PO_ParseString(decodedbuf + decodedpos, inbuf, sizeof(decodedbuf) - decodedpos);
+                               decodedpos += strlen(decodedbuf + decodedpos);
+                               if(*q == '\r')
+                                       ++q;
+                               if(*q == '\n')
+                                       ++q;
+                               p = q;
+                       }
+                       if(mode == 0)
+                       {
+                               if(thisstr.key)
+                                       Mem_Free(thisstr.key);
+                               thisstr.key = (char *)Mem_Alloc(pool, decodedpos + 1);
+                               memcpy(thisstr.key, decodedbuf, decodedpos + 1);
+                       }
+                       else if(decodedpos > 0 && thisstr.key) // skip empty translation results
+                       {
+                               thisstr.value = (char *)Mem_Alloc(pool, decodedpos + 1);
+                               memcpy(thisstr.value, decodedbuf, decodedpos + 1);
+                               hashindex = CRC_Block((const unsigned char *) thisstr.key, strlen(thisstr.key)) % PO_HASHSIZE;
+                               thisstr.nextonhashchain = po->hashtable[hashindex];
+                               po->hashtable[hashindex] = (po_string_t *)Mem_Alloc(pool, sizeof(thisstr));
+                               memcpy(po->hashtable[hashindex], &thisstr, sizeof(thisstr));
+                               memset(&thisstr, 0, sizeof(thisstr));
+                       }
+               }
+               
+               Mem_Free((char *) buf);
+       }
+
+       return po;
+}
+static const char *PRVM_PO_Lookup(po_t *po, const char *str)
+{
+       int hashindex = CRC_Block((const unsigned char *) str, strlen(str)) % PO_HASHSIZE;
+       po_string_t *p = po->hashtable[hashindex];
+       while(p)
+       {
+               if(!strcmp(str, p->key))
+                       return p->value;
+               p = p->nextonhashchain;
+       }
+       return NULL;
+}
+static void PRVM_PO_Destroy(po_t *po)
+{
+       int i;
+       for(i = 0; i < PO_HASHSIZE; ++i)
+       {
+               po_string_t *p = po->hashtable[i];
+               while(p)
+               {
+                       po_string_t *q = p;
+                       p = p->nextonhashchain;
+                       Mem_Free(q->key);
+                       Mem_Free(q->value);
+                       Mem_Free(q);
+               }
+       }
+       Mem_Free(po);
+}
+
+void PRVM_LeakTest(prvm_prog_t *prog);
+void PRVM_Prog_Reset(prvm_prog_t *prog)
 {
-       PRVM_LeakTest();
-       PRVM_GCALL(reset_cmd)();
-       Mem_FreePool(&prog->progs_mempool);
+       if (prog->loaded)
+       {
+               PRVM_LeakTest(prog);
+               prog->reset_cmd(prog);
+               Mem_FreePool(&prog->progs_mempool);
+               if(prog->po)
+                       PRVM_PO_Destroy((po_t *) prog->po);
+       }
        memset(prog,0,sizeof(prvm_prog_t));
-       prog->starttime = Sys_DoubleTime();
+       prog->break_statement = -1;
+       prog->watch_global_type = ev_void;
+       prog->watch_field_type = ev_void;
 }
 
 /*
@@ -1645,7 +1858,7 @@ void PRVM_ResetProg(void)
 PRVM_LoadLNO
 ===============
 */
-void PRVM_LoadLNO( const char *progname ) {
+static void PRVM_LoadLNO( prvm_prog_t *prog, const char *progname ) {
        fs_offset_t filesize;
        unsigned char *lno;
        unsigned int *header;
@@ -1668,7 +1881,8 @@ void PRVM_LoadLNO( const char *progname ) {
 <Spike>    SafeWrite (h, &numstatements, sizeof(int));
 <Spike>    SafeWrite (h, statement_linenums, numstatements*sizeof(int));
 */
-       if( (unsigned) filesize < (6 + prog->progs->numstatements) * sizeof( int ) ) {
+       if ((unsigned int)filesize < (6 + prog->progs_numstatements) * sizeof(int))
+       {
                Mem_Free(lno);
                return;
        }
@@ -1676,13 +1890,20 @@ void PRVM_LoadLNO( const char *progname ) {
        header = (unsigned int *) lno;
        if( header[ 0 ] == *(unsigned int *) "LNOF" &&
                LittleLong( header[ 1 ] ) == 1 &&
-               (unsigned int)LittleLong( header[ 2 ] ) == (unsigned int)prog->progs->numglobaldefs &&
-               (unsigned int)LittleLong( header[ 3 ] ) == (unsigned int)prog->progs->numglobals &&
-               (unsigned int)LittleLong( header[ 4 ] ) == (unsigned int)prog->progs->numfielddefs &&
-               (unsigned int)LittleLong( header[ 5 ] ) == (unsigned int)prog->progs->numstatements )
+               (unsigned int)LittleLong( header[ 2 ] ) == (unsigned int)prog->progs_numglobaldefs &&
+               (unsigned int)LittleLong( header[ 3 ] ) == (unsigned int)prog->progs_numglobals &&
+               (unsigned int)LittleLong( header[ 4 ] ) == (unsigned int)prog->progs_numfielddefs &&
+               (unsigned int)LittleLong( header[ 5 ] ) == (unsigned int)prog->progs_numstatements )
        {
-               prog->statement_linenums = (int *)Mem_Alloc(prog->progs_mempool, prog->progs->numstatements * sizeof( int ) );
-               memcpy( prog->statement_linenums, (int *) lno + 6, prog->progs->numstatements * sizeof( int ) );
+               prog->statement_linenums = (int *)Mem_Alloc(prog->progs_mempool, prog->progs_numstatements * sizeof( int ) );
+               memcpy( prog->statement_linenums, header + 6, prog->progs_numstatements * sizeof( int ) );
+
+               /* gmqcc suports columnums */
+               if ((unsigned int)filesize > ((6 + 2 * prog->progs_numstatements) * sizeof( int )))
+               {
+                       prog->statement_columnnums = (int *)Mem_Alloc(prog->progs_mempool, prog->progs_numstatements * sizeof( int ) );
+                       memcpy( prog->statement_columnnums, header + 6 + prog->progs_numstatements, prog->progs_numstatements * sizeof( int ) );
+               }
        }
        Mem_Free( lno );
 }
@@ -1692,43 +1913,94 @@ void PRVM_LoadLNO( const char *progname ) {
 PRVM_LoadProgs
 ===============
 */
-void PRVM_LoadProgs (const char * filename, int numrequiredfunc, char **required_func, int numrequiredfields, prvm_required_field_t *required_field, int numrequiredglobals, char **required_global)
+static void PRVM_UpdateBreakpoints(prvm_prog_t *prog);
+void PRVM_Prog_Load(prvm_prog_t *prog, const char * filename, unsigned char * data, fs_offset_t size, int numrequiredfunc, const char **required_func, int numrequiredfields, prvm_required_field_t *required_field, int numrequiredglobals, prvm_required_field_t *required_global)
 {
        int i;
-       dstatement_t *st;
+       dprograms_t *dprograms;
+       dstatement_t *instatements;
        ddef_t *infielddefs;
-       dfunction_t *dfunctions;
+       ddef_t *inglobaldefs;
+       int *inglobals;
+       dfunction_t *infunctions;
+       char *instrings;
        fs_offset_t filesize;
-
-       if( prog->loaded ) {
-               PRVM_ERROR ("PRVM_LoadProgs: there is already a %s program loaded!", PRVM_NAME );
+       int requiredglobalspace;
+       opcode_t op;
+       int a;
+       int b;
+       int c;
+       union
+       {
+               unsigned int i;
+               float f;
        }
+       u;
+       unsigned int d;
+       char vabuf[1024];
+       char vabuf2[1024];
+       cvar_t *cvar;
 
-       prog->progs = (dprograms_t *)FS_LoadFile (filename, prog->progs_mempool, false, &filesize);
-       if (prog->progs == NULL || filesize < (fs_offset_t)sizeof(dprograms_t))
-               PRVM_ERROR ("PRVM_LoadProgs: couldn't load %s for %s", filename, PRVM_NAME);
-       // TODO bounds check header fields (e.g. numstatements), they must never go behind end of file
+       if (prog->loaded)
+               prog->error_cmd("PRVM_LoadProgs: there is already a %s program loaded!", prog->name );
 
-       Con_DPrintf("%s programs occupy %iK.\n", PRVM_NAME, (int)(filesize/1024));
+       Host_LockSession(); // all progs can use the session cvar
+       Crypto_LoadKeys(); // all progs might use the keys at init time
 
-       prog->filecrc = CRC_Block((unsigned char *)prog->progs, filesize);
+       if (data)
+       {
+               dprograms = (dprograms_t *) data;
+               filesize = size;
+       }
+       else
+               dprograms = (dprograms_t *)FS_LoadFile (filename, prog->progs_mempool, false, &filesize);
+       if (dprograms == NULL || filesize < (fs_offset_t)sizeof(dprograms_t))
+               prog->error_cmd("PRVM_LoadProgs: couldn't load %s for %s", filename, prog->name);
+       // TODO bounds check header fields (e.g. numstatements), they must never go behind end of file
 
-// byte swap the header
-       for (i = 0;i < (int) sizeof(*prog->progs) / 4;i++)
-               ((int *)prog->progs)[i] = LittleLong ( ((int *)prog->progs)[i] );
+       prog->profiletime = Sys_DirtyTime();
+       prog->starttime = realtime;
+
+       Con_DPrintf("%s programs occupy %iK.\n", prog->name, (int)(filesize/1024));
 
-       if (prog->progs->version != PROG_VERSION)
-               PRVM_ERROR ("%s: %s has wrong version number (%i should be %i)", PRVM_NAME, filename, prog->progs->version, PROG_VERSION);
-       if (prog->progs->crc != prog->headercrc && prog->progs->crc != prog->headercrc2)
-               PRVM_ERROR ("%s: %s system vars have been modified (CRC of progs.dat systemvars %i != engine %i), progdefs.h is out of date", PRVM_NAME, filename, prog->progs->crc, prog->headercrc);
+       requiredglobalspace = 0;
+       for (i = 0;i < numrequiredglobals;i++)
+               requiredglobalspace += required_global[i].type == ev_vector ? 3 : 1;
 
-       //prog->functions = (dfunction_t *)((unsigned char *)progs + progs->ofs_functions);
-       dfunctions = (dfunction_t *)((unsigned char *)prog->progs + prog->progs->ofs_functions);
+       prog->filecrc = CRC_Block((unsigned char *)dprograms, filesize);
 
-       if (prog->progs->ofs_strings + prog->progs->numstrings >= (int)filesize)
-               PRVM_ERROR ("%s: %s strings go past end of file", PRVM_NAME, filename);
-       prog->strings = (char *)prog->progs + prog->progs->ofs_strings;
-       prog->stringssize = prog->progs->numstrings;
+// byte swap the header
+       prog->progs_version = LittleLong(dprograms->version);
+       prog->progs_crc = LittleLong(dprograms->crc);
+       if (prog->progs_version != PROG_VERSION)
+               prog->error_cmd("%s: %s has wrong version number (%i should be %i)", prog->name, filename, prog->progs_version, PROG_VERSION);
+       instatements = (dstatement_t *)((unsigned char *)dprograms + LittleLong(dprograms->ofs_statements));
+       prog->progs_numstatements = LittleLong(dprograms->numstatements);
+       inglobaldefs = (ddef_t *)((unsigned char *)dprograms + LittleLong(dprograms->ofs_globaldefs));
+       prog->progs_numglobaldefs = LittleLong(dprograms->numglobaldefs);
+       infielddefs = (ddef_t *)((unsigned char *)dprograms + LittleLong(dprograms->ofs_fielddefs));
+       prog->progs_numfielddefs = LittleLong(dprograms->numfielddefs);
+       infunctions = (dfunction_t *)((unsigned char *)dprograms + LittleLong(dprograms->ofs_functions));
+       prog->progs_numfunctions = LittleLong(dprograms->numfunctions);
+       instrings = (char *)((unsigned char *)dprograms + LittleLong(dprograms->ofs_strings));
+       prog->progs_numstrings = LittleLong(dprograms->numstrings);
+       inglobals = (int *)((unsigned char *)dprograms + LittleLong(dprograms->ofs_globals));
+       prog->progs_numglobals = LittleLong(dprograms->numglobals);
+       prog->progs_entityfields = LittleLong(dprograms->entityfields);
+
+       prog->numstatements = prog->progs_numstatements;
+       prog->numglobaldefs = prog->progs_numglobaldefs;
+       prog->numfielddefs = prog->progs_numfielddefs;
+       prog->numfunctions = prog->progs_numfunctions;
+       prog->numstrings = prog->progs_numstrings;
+       prog->numglobals = prog->progs_numglobals;
+       prog->entityfields = prog->progs_entityfields;
+
+       if (LittleLong(dprograms->ofs_strings) + prog->progs_numstrings > (int)filesize)
+               prog->error_cmd("%s: %s strings go past end of file", prog->name, filename);
+       prog->strings = (char *)Mem_Alloc(prog->progs_mempool, prog->progs_numstrings);
+       memcpy(prog->strings, instrings, prog->progs_numstrings);
+       prog->stringssize = prog->progs_numstrings;
 
        prog->numknownstrings = 0;
        prog->maxknownstrings = 0;
@@ -1737,111 +2009,141 @@ void PRVM_LoadProgs (const char * filename, int numrequiredfunc, char **required
 
        Mem_ExpandableArray_NewArray(&prog->stringbuffersarray, prog->progs_mempool, sizeof(prvm_stringbuffer_t), 64);
 
-       prog->globaldefs = (ddef_t *)((unsigned char *)prog->progs + prog->progs->ofs_globaldefs);
-
-       // we need to expand the fielddefs list to include all the engine fields,
-       // so allocate a new place for it
-       infielddefs = (ddef_t *)((unsigned char *)prog->progs + prog->progs->ofs_fielddefs);
-       //                                                                                              ( + DPFIELDS                       )
-       prog->fielddefs = (ddef_t *)Mem_Alloc(prog->progs_mempool, (prog->progs->numfielddefs + numrequiredfields) * sizeof(ddef_t));
-
-       prog->statements = (dstatement_t *)((unsigned char *)prog->progs + prog->progs->ofs_statements);
-
-       prog->statement_profile = (double *)Mem_Alloc(prog->progs_mempool, prog->progs->numstatements * sizeof(*prog->statement_profile));
-
-       // moved edict_size calculation down below field adding code
-
-       //pr_global_struct = (globalvars_t *)((unsigned char *)progs + progs->ofs_globals);
-       prog->globals.generic = (float *)((unsigned char *)prog->progs + prog->progs->ofs_globals);
-
-// byte swap the lumps
-       for (i=0 ; i<prog->progs->numstatements ; i++)
-       {
-               prog->statements[i].op = LittleShort(prog->statements[i].op);
-               prog->statements[i].a = LittleShort(prog->statements[i].a);
-               prog->statements[i].b = LittleShort(prog->statements[i].b);
-               prog->statements[i].c = LittleShort(prog->statements[i].c);
+       // we need to expand the globaldefs and fielddefs to include engine defs
+       prog->globaldefs = (ddef_t *)Mem_Alloc(prog->progs_mempool, (prog->progs_numglobaldefs + numrequiredglobals) * sizeof(ddef_t));
+       prog->globals.fp = (prvm_vec_t *)Mem_Alloc(prog->progs_mempool, (prog->progs_numglobals + requiredglobalspace + 2) * sizeof(prvm_vec_t));
+               // + 2 is because of an otherwise occurring overrun in RETURN instruction
+               // when trying to return the last or second-last global
+               // (RETURN always returns a vector, there is no RETURN_F instruction)
+       prog->fielddefs = (ddef_t *)Mem_Alloc(prog->progs_mempool, (prog->progs_numfielddefs + numrequiredfields) * sizeof(ddef_t));
+       // we need to convert the statements to our memory format
+       prog->statements = (mstatement_t *)Mem_Alloc(prog->progs_mempool, prog->progs_numstatements * sizeof(mstatement_t));
+       // allocate space for profiling statement usage
+       prog->statement_profile = (double *)Mem_Alloc(prog->progs_mempool, prog->progs_numstatements * sizeof(*prog->statement_profile));
+       prog->explicit_profile = (double *)Mem_Alloc(prog->progs_mempool, prog->progs_numstatements * sizeof(*prog->statement_profile));
+       // functions need to be converted to the memory format
+       prog->functions = (mfunction_t *)Mem_Alloc(prog->progs_mempool, sizeof(mfunction_t) * prog->progs_numfunctions);
+
+       for (i = 0;i < prog->progs_numfunctions;i++)
+       {
+               prog->functions[i].first_statement = LittleLong(infunctions[i].first_statement);
+               prog->functions[i].parm_start = LittleLong(infunctions[i].parm_start);
+               prog->functions[i].s_name = LittleLong(infunctions[i].s_name);
+               prog->functions[i].s_file = LittleLong(infunctions[i].s_file);
+               prog->functions[i].numparms = LittleLong(infunctions[i].numparms);
+               prog->functions[i].locals = LittleLong(infunctions[i].locals);
+               memcpy(prog->functions[i].parm_size, infunctions[i].parm_size, sizeof(infunctions[i].parm_size));
+               if(prog->functions[i].first_statement >= prog->numstatements)
+                       prog->error_cmd("PRVM_LoadProgs: out of bounds function statement (function %d) in %s", i, prog->name);
+               // TODO bounds check parm_start, s_name, s_file, numparms, locals, parm_size
        }
 
-       prog->functions = (mfunction_t *)Mem_Alloc(prog->progs_mempool, sizeof(mfunction_t) * prog->progs->numfunctions);
-       for (i = 0;i < prog->progs->numfunctions;i++)
+       // copy the globaldefs to the new globaldefs list
+       for (i=0 ; i<prog->numglobaldefs ; i++)
        {
-               prog->functions[i].first_statement = LittleLong (dfunctions[i].first_statement);
-               prog->functions[i].parm_start = LittleLong (dfunctions[i].parm_start);
-               prog->functions[i].s_name = LittleLong (dfunctions[i].s_name);
-               prog->functions[i].s_file = LittleLong (dfunctions[i].s_file);
-               prog->functions[i].numparms = LittleLong (dfunctions[i].numparms);
-               prog->functions[i].locals = LittleLong (dfunctions[i].locals);
-               memcpy(prog->functions[i].parm_size, dfunctions[i].parm_size, sizeof(dfunctions[i].parm_size));
-               if(prog->functions[i].first_statement >= prog->progs->numstatements)
-                       PRVM_ERROR("PRVM_LoadProgs: out of bounds function statement (function %d) in %s", i, PRVM_NAME);
-               // TODO bounds check parm_start, s_name, s_file, numparms, locals, parm_size
+               prog->globaldefs[i].type = LittleShort(inglobaldefs[i].type);
+               prog->globaldefs[i].ofs = LittleShort(inglobaldefs[i].ofs);
+               prog->globaldefs[i].s_name = LittleLong(inglobaldefs[i].s_name);
+               // TODO bounds check ofs, s_name
        }
 
-       for (i=0 ; i<prog->progs->numglobaldefs ; i++)
+       // append the required globals
+       for (i = 0;i < numrequiredglobals;i++)
        {
-               prog->globaldefs[i].type = LittleShort (prog->globaldefs[i].type);
-               prog->globaldefs[i].ofs = LittleShort (prog->globaldefs[i].ofs);
-               prog->globaldefs[i].s_name = LittleLong (prog->globaldefs[i].s_name);
-               // TODO bounds check ofs, s_name
+               prog->globaldefs[prog->numglobaldefs].type = required_global[i].type;
+               prog->globaldefs[prog->numglobaldefs].ofs = prog->numglobals;
+               prog->globaldefs[prog->numglobaldefs].s_name = PRVM_SetEngineString(prog, required_global[i].name);
+               if (prog->globaldefs[prog->numglobaldefs].type == ev_vector)
+                       prog->numglobals += 3;
+               else
+                       prog->numglobals++;
+               prog->numglobaldefs++;
        }
 
        // copy the progs fields to the new fields list
-       for (i = 0;i < prog->progs->numfielddefs;i++)
+       for (i = 0;i < prog->numfielddefs;i++)
        {
-               prog->fielddefs[i].type = LittleShort (infielddefs[i].type);
+               prog->fielddefs[i].type = LittleShort(infielddefs[i].type);
                if (prog->fielddefs[i].type & DEF_SAVEGLOBAL)
-                       PRVM_ERROR ("PRVM_LoadProgs: prog->fielddefs[i].type & DEF_SAVEGLOBAL in %s", PRVM_NAME);
-               prog->fielddefs[i].ofs = LittleShort (infielddefs[i].ofs);
-               prog->fielddefs[i].s_name = LittleLong (infielddefs[i].s_name);
+                       prog->error_cmd("PRVM_LoadProgs: prog->fielddefs[i].type & DEF_SAVEGLOBAL in %s", prog->name);
+               prog->fielddefs[i].ofs = LittleShort(infielddefs[i].ofs);
+               prog->fielddefs[i].s_name = LittleLong(infielddefs[i].s_name);
                // TODO bounds check ofs, s_name
        }
 
        // append the required fields
-       for (i = 0;i < (int) numrequiredfields;i++)
+       for (i = 0;i < numrequiredfields;i++)
        {
-               prog->fielddefs[prog->progs->numfielddefs].type = required_field[i].type;
-               prog->fielddefs[prog->progs->numfielddefs].ofs = prog->progs->entityfields;
-               prog->fielddefs[prog->progs->numfielddefs].s_name = PRVM_SetEngineString(required_field[i].name);
-               // TODO bounds check ofs, s_name
-               if (prog->fielddefs[prog->progs->numfielddefs].type == ev_vector)
-                       prog->progs->entityfields += 3;
+               prog->fielddefs[prog->numfielddefs].type = required_field[i].type;
+               prog->fielddefs[prog->numfielddefs].ofs = prog->entityfields;
+               prog->fielddefs[prog->numfielddefs].s_name = PRVM_SetEngineString(prog, required_field[i].name);
+               if (prog->fielddefs[prog->numfielddefs].type == ev_vector)
+                       prog->entityfields += 3;
                else
-                       prog->progs->entityfields++;
-               prog->progs->numfielddefs++;
+                       prog->entityfields++;
+               prog->numfielddefs++;
        }
 
-       // check required functions
-       for(i=0 ; i < numrequiredfunc ; i++)
-               if(PRVM_ED_FindFunction(required_func[i]) == 0)
-                       PRVM_ERROR("%s: %s not found in %s",PRVM_NAME, required_func[i], filename);
-
-       // check required globals
-       for(i=0 ; i < numrequiredglobals ; i++)
-               if(PRVM_ED_FindGlobal(required_global[i]) == 0)
-                       PRVM_ERROR("%s: %s not found in %s",PRVM_NAME, required_global[i], filename);
-
-       for (i=0 ; i<prog->progs->numglobals ; i++)
-               ((int *)prog->globals.generic)[i] = LittleLong (((int *)prog->globals.generic)[i]);
+       // LordHavoc: TODO: reorder globals to match engine struct
+       // LordHavoc: TODO: reorder fields to match engine struct
+#define remapglobal(index) (index)
+#define remapfield(index) (index)
 
-       // moved edict_size calculation down here, below field adding code
-       // LordHavoc: this no longer includes the prvm_edict_t header
-       prog->edict_size = prog->progs->entityfields * 4;
-       prog->edictareasize = prog->edict_size * prog->limit_edicts;
+       // copy globals
+       // FIXME: LordHavoc: this uses a crude way to identify integer constants, rather than checking for matching globaldefs and checking their type
+       for (i = 0;i < prog->progs_numglobals;i++)
+       {
+               u.i = LittleLong(inglobals[i]);
+               // most globals are 0, we only need to deal with the ones that are not
+               if (u.i)
+               {
+                       d = u.i & 0xFF800000;
+                       if ((d == 0xFF800000) || (d == 0))
+                       {
+                               // Looks like an integer (expand to int64)
+                               prog->globals.ip[remapglobal(i)] = u.i;
+                       }
+                       else
+                       {
+                               // Looks like a float (expand to double)
+                               prog->globals.fp[remapglobal(i)] = u.f;
+                       }
+               }
+       }
 
-       // LordHavoc: bounds check anything static
-       for (i = 0,st = prog->statements;i < prog->progs->numstatements;i++,st++)
+       // LordHavoc: TODO: support 32bit progs statement formats
+       // copy, remap globals in statements, bounds check
+       for (i = 0;i < prog->progs_numstatements;i++)
        {
-               switch (st->op)
+               op = (opcode_t)LittleShort(instatements[i].op);
+               a = (unsigned short)LittleShort(instatements[i].a);
+               b = (unsigned short)LittleShort(instatements[i].b);
+               c = (unsigned short)LittleShort(instatements[i].c);
+               switch (op)
                {
                case OP_IF:
                case OP_IFNOT:
-                       if ((unsigned short) st->a >= prog->progs->numglobals || st->b + i < 0 || st->b + i >= prog->progs->numstatements)
-                               PRVM_ERROR("PRVM_LoadProgs: out of bounds IF/IFNOT (statement %d) in %s", i, PRVM_NAME);
+                       b = (short)b;
+                       if (a >= prog->progs_numglobals || b + i < 0 || b + i >= prog->progs_numstatements)
+                               prog->error_cmd("PRVM_LoadProgs: out of bounds IF/IFNOT (statement %d) in %s", i, prog->name);
+                       prog->statements[i].op = op;
+                       prog->statements[i].operand[0] = remapglobal(a);
+                       prog->statements[i].operand[1] = -1;
+                       prog->statements[i].operand[2] = -1;
+                       prog->statements[i].jumpabsolute = i + b;
                        break;
                case OP_GOTO:
-                       if (st->a + i < 0 || st->a + i >= prog->progs->numstatements)
-                               PRVM_ERROR("PRVM_LoadProgs: out of bounds GOTO (statement %d) in %s", i, PRVM_NAME);
+                       a = (short)a;
+                       if (a + i < 0 || a + i >= prog->progs_numstatements)
+                               prog->error_cmd("PRVM_LoadProgs: out of bounds GOTO (statement %d) in %s", i, prog->name);
+                       prog->statements[i].op = op;
+                       prog->statements[i].operand[0] = -1;
+                       prog->statements[i].operand[1] = -1;
+                       prog->statements[i].operand[2] = -1;
+                       prog->statements[i].jumpabsolute = i + a;
+                       break;
+               default:
+                       Con_DPrintf("PRVM_LoadProgs: unknown opcode %d at statement %d in %s\n", (int)op, i, prog->name);
                        break;
                // global global global
                case OP_ADD_F:
@@ -1878,8 +2180,13 @@ void PRVM_LoadProgs (const char * filename, int numrequiredfunc, char **required
                case OP_LOAD_S:
                case OP_LOAD_FNC:
                case OP_LOAD_V:
-                       if ((unsigned short) st->a >= prog->progs->numglobals || (unsigned short) st->b >= prog->progs->numglobals || (unsigned short) st->c >= prog->progs->numglobals)
-                               PRVM_ERROR("PRVM_LoadProgs: out of bounds global index (statement %d)", i);
+                       if (a >= prog->progs_numglobals || b >= prog->progs_numglobals || c >= prog->progs_numglobals)
+                               prog->error_cmd("PRVM_LoadProgs: out of bounds global index (statement %d)", i);
+                       prog->statements[i].op = op;
+                       prog->statements[i].operand[0] = remapglobal(a);
+                       prog->statements[i].operand[1] = remapglobal(b);
+                       prog->statements[i].operand[2] = remapglobal(c);
+                       prog->statements[i].jumpabsolute = -1;
                        break;
                // global none global
                case OP_NOT_F:
@@ -1887,8 +2194,13 @@ void PRVM_LoadProgs (const char * filename, int numrequiredfunc, char **required
                case OP_NOT_S:
                case OP_NOT_FNC:
                case OP_NOT_ENT:
-                       if ((unsigned short) st->a >= prog->progs->numglobals || (unsigned short) st->c >= prog->progs->numglobals)
-                               PRVM_ERROR("PRVM_LoadProgs: out of bounds global index (statement %d) in %s", i, PRVM_NAME);
+                       if (a >= prog->progs_numglobals || c >= prog->progs_numglobals)
+                               prog->error_cmd("PRVM_LoadProgs: out of bounds global index (statement %d) in %s", i, prog->name);
+                       prog->statements[i].op = op;
+                       prog->statements[i].operand[0] = remapglobal(a);
+                       prog->statements[i].operand[1] = -1;
+                       prog->statements[i].operand[2] = remapglobal(c);
+                       prog->statements[i].jumpabsolute = -1;
                        break;
                // 2 globals
                case OP_STOREP_F:
@@ -1904,11 +2216,21 @@ void PRVM_LoadProgs (const char * filename, int numrequiredfunc, char **required
                case OP_STATE:
                case OP_STOREP_V:
                case OP_STORE_V:
-                       if ((unsigned short) st->a >= prog->progs->numglobals || (unsigned short) st->b >= prog->progs->numglobals)
-                               PRVM_ERROR("PRVM_LoadProgs: out of bounds global index (statement %d) in %s", i, PRVM_NAME);
+                       if (a >= prog->progs_numglobals || b >= prog->progs_numglobals)
+                               prog->error_cmd("PRVM_LoadProgs: out of bounds global index (statement %d) in %s", i, prog->name);
+                       prog->statements[i].op = op;
+                       prog->statements[i].operand[0] = remapglobal(a);
+                       prog->statements[i].operand[1] = remapglobal(b);
+                       prog->statements[i].operand[2] = -1;
+                       prog->statements[i].jumpabsolute = -1;
                        break;
                // 1 global
                case OP_CALL0:
+                       if ( a < prog->progs_numglobals)
+                               if ( prog->globals.ip[remapglobal(a)] >= 0 )
+                                       if ( prog->globals.ip[remapglobal(a)] < prog->progs_numfunctions )
+                                               if ( prog->functions[prog->globals.ip[remapglobal(a)]].first_statement == -642 )
+                                                       ++prog->numexplicitcoveragestatements;
                case OP_CALL1:
                case OP_CALL2:
                case OP_CALL3:
@@ -1919,57 +2241,244 @@ void PRVM_LoadProgs (const char * filename, int numrequiredfunc, char **required
                case OP_CALL8:
                case OP_DONE:
                case OP_RETURN:
-                       if ((unsigned short) st->a >= prog->progs->numglobals)
-                               PRVM_ERROR("PRVM_LoadProgs: out of bounds global index (statement %d) in %s", i, PRVM_NAME);
-                       break;
-               default:
-                       Con_DPrintf("PRVM_LoadProgs: unknown opcode %d at statement %d in %s\n", st->op, i, PRVM_NAME);
+                       if ( a >= prog->progs_numglobals)
+                               prog->error_cmd("PRVM_LoadProgs: out of bounds global index (statement %d) in %s", i, prog->name);
+                       prog->statements[i].op = op;
+                       prog->statements[i].operand[0] = remapglobal(a);
+                       prog->statements[i].operand[1] = -1;
+                       prog->statements[i].operand[2] = -1;
+                       prog->statements[i].jumpabsolute = -1;
                        break;
                }
        }
-       if(prog->progs->numstatements < 1)
+       if(prog->numstatements < 1)
        {
-               PRVM_ERROR("PRVM_LoadProgs: empty program in %s", PRVM_NAME);
+               prog->error_cmd("PRVM_LoadProgs: empty program in %s", prog->name);
        }
-       else switch(prog->statements[prog->progs->numstatements - 1].op)
+       else switch(prog->statements[prog->numstatements - 1].op)
        {
                case OP_RETURN:
                case OP_GOTO:
                case OP_DONE:
                        break;
                default:
-                       PRVM_ERROR("PRVM_LoadProgs: program may fall off the edge (does not end with RETURN, GOTO or DONE) in %s", PRVM_NAME);
+                       prog->error_cmd("PRVM_LoadProgs: program may fall off the edge (does not end with RETURN, GOTO or DONE) in %s", prog->name);
                        break;
        }
 
-       PRVM_LoadLNO(filename);
-
-       PRVM_Init_Exec();
-
-       prog->loaded = TRUE;
-
-       // set flags & ddef_ts in prog
-
-       prog->flag = 0;
-
-       PRVM_FindOffsets();
+       // we're done with the file now
+       if(!data)
+               Mem_Free(dprograms);
+       dprograms = NULL;
 
-       PRVM_GCALL(init_cmd)();
+       // check required functions
+       for(i=0 ; i < numrequiredfunc ; i++)
+               if(PRVM_ED_FindFunction(prog, required_func[i]) == 0)
+                       prog->error_cmd("%s: %s not found in %s",prog->name, required_func[i], filename);
 
-       // init mempools
-       PRVM_MEM_Alloc();
-}
+       PRVM_LoadLNO(prog, filename);
 
+       PRVM_Init_Exec(prog);
 
-void PRVM_Fields_f (void)
-{
-       int i, j, ednum, used, usedamount;
-       int *counts;
-       char tempstring[MAX_INPUTLINE], tempstring2[260];
-       const char *name;
-       prvm_edict_t *ed;
-       ddef_t *d;
-       int *v;
+       if(*prvm_language.string)
+       // in CSQC we really shouldn't be able to change how stuff works... sorry for now
+       // later idea: include a list of authorized .po file checksums with the csprogs
+       {
+               qboolean deftrans = prog == CLVM_prog;
+               const char *realfilename = (prog != CLVM_prog ? filename : csqc_progname.string);
+               if(deftrans) // once we have dotranslate_ strings, ALWAYS use the opt-in method!
+               {
+                       for (i=0 ; i<prog->numglobaldefs ; i++)
+                       {
+                               const char *name;
+                               name = PRVM_GetString(prog, prog->globaldefs[i].s_name);
+                               if((prog->globaldefs[i].type & ~DEF_SAVEGLOBAL) == ev_string)
+                               if(name && !strncmp(name, "dotranslate_", 12))
+                               {
+                                       deftrans = false;
+                                       break;
+                               }
+                       }
+               }
+               if(!strcmp(prvm_language.string, "dump"))
+               {
+                       qfile_t *f = FS_OpenRealFile(va(vabuf, sizeof(vabuf), "%s.pot", realfilename), "w", false);
+                       Con_Printf("Dumping to %s.pot\n", realfilename);
+                       if(f)
+                       {
+                               for (i=0 ; i<prog->numglobaldefs ; i++)
+                               {
+                                       const char *name;
+                                       name = PRVM_GetString(prog, prog->globaldefs[i].s_name);
+                                       if(deftrans ? (!name || strncmp(name, "notranslate_", 12)) : (name && !strncmp(name, "dotranslate_", 12)))
+                                       if((prog->globaldefs[i].type & ~DEF_SAVEGLOBAL) == ev_string)
+                                       {
+                                               prvm_eval_t *val = PRVM_GLOBALFIELDVALUE(prog->globaldefs[i].ofs);
+                                               const char *value = PRVM_GetString(prog, val->string);
+                                               if(*value)
+                                               {
+                                                       char buf[MAX_INPUTLINE];
+                                                       PRVM_PO_UnparseString(buf, value, sizeof(buf));
+                                                       FS_Printf(f, "msgid \"%s\"\nmsgstr \"\"\n\n", buf);
+                                               }
+                                       }
+                               }
+                               FS_Close(f);
+                       }
+               }
+               else
+               {
+                       po_t *po = PRVM_PO_Load(
+                                       va(vabuf, sizeof(vabuf), "%s.%s.po", realfilename, prvm_language.string),
+                                       va(vabuf2, sizeof(vabuf2), "common.%s.po", prvm_language.string),
+                                       prog->progs_mempool);
+                       if(po)
+                       {
+                               for (i=0 ; i<prog->numglobaldefs ; i++)
+                               {
+                                       const char *name;
+                                       name = PRVM_GetString(prog, prog->globaldefs[i].s_name);
+                                       if(deftrans ? (!name || strncmp(name, "notranslate_", 12)) : (name && !strncmp(name, "dotranslate_", 12)))
+                                       if((prog->globaldefs[i].type & ~DEF_SAVEGLOBAL) == ev_string)
+                                       {
+                                               prvm_eval_t *val = PRVM_GLOBALFIELDVALUE(prog->globaldefs[i].ofs);
+                                               const char *value = PRVM_GetString(prog, val->string);
+                                               if(*value)
+                                               {
+                                                       value = PRVM_PO_Lookup(po, value);
+                                                       if(value)
+                                                               val->string = PRVM_SetEngineString(prog, value);
+                                               }
+                                       }
+                               }
+                       }
+               }
+       }
+
+       for (cvar = cvar_vars; cvar; cvar = cvar->next)
+               cvar->globaldefindex[prog - prvm_prog_list] = -1;
+
+       for (i=0 ; i<prog->numglobaldefs ; i++)
+       {
+               const char *name;
+               name = PRVM_GetString(prog, prog->globaldefs[i].s_name);
+               //Con_Printf("found var %s\n", name);
+               if(name
+                       && !strncmp(name, "autocvar_", 9)
+                       && !(strlen(name) > 1 && name[strlen(name)-2] == '_' && (name[strlen(name)-1] == 'x' || name[strlen(name)-1] == 'y' || name[strlen(name)-1] == 'z'))
+               )
+               {
+                       prvm_eval_t *val = PRVM_GLOBALFIELDVALUE(prog->globaldefs[i].ofs);
+                       cvar = Cvar_FindVar(name + 9);
+                       //Con_Printf("PRVM_LoadProgs: autocvar global %s in %s, processing...\n", name, prog->name);
+                       if(!cvar)
+                       {
+                               const char *value;
+                               char buf[64];
+                               Con_DPrintf("PRVM_LoadProgs: no cvar for autocvar global %s in %s, creating...\n", name, prog->name);
+                               switch(prog->globaldefs[i].type & ~DEF_SAVEGLOBAL)
+                               {
+                                       case ev_float:
+                                               if((float)((int)(val->_float)) == val->_float)
+                                                       dpsnprintf(buf, sizeof(buf), "%i", (int)(val->_float));
+                                               else
+                                                       dpsnprintf(buf, sizeof(buf), "%.9g", val->_float);
+                                               value = buf;
+                                               break;
+                                       case ev_vector:
+                                               dpsnprintf(buf, sizeof(buf), "%.9g %.9g %.9g", val->vector[0], val->vector[1], val->vector[2]); value = buf;
+                                               break;
+                                       case ev_string:
+                                               value = PRVM_GetString(prog, val->string);
+                                               break;
+                                       default:
+                                               Con_Printf("PRVM_LoadProgs: invalid type of autocvar global %s in %s\n", name, prog->name);
+                                               goto fail;
+                               }
+                               cvar = Cvar_Get(name + 9, value, 0, NULL);
+                               if((prog->globaldefs[i].type & ~DEF_SAVEGLOBAL) == ev_string)
+                               {
+                                       val->string = PRVM_SetEngineString(prog, cvar->string);
+                                       cvar->globaldefindex_stringno[prog - prvm_prog_list] = val->string;
+                               }
+                               if(!cvar)
+                                       prog->error_cmd("PRVM_LoadProgs: could not create cvar for autocvar global %s in %s", name, prog->name);
+                               cvar->globaldefindex[prog - prvm_prog_list] = i;
+                       }
+                       else if((cvar->flags & CVAR_PRIVATE) == 0)
+                       {
+                               // MUST BE SYNCED WITH cvar.c Cvar_Set
+                               int j;
+                               const char *s;
+                               switch(prog->globaldefs[i].type & ~DEF_SAVEGLOBAL)
+                               {
+                                       case ev_float:
+                                               val->_float = cvar->value;
+                                               break;
+                                       case ev_vector:
+                                               s = cvar->string;
+                                               VectorClear(val->vector);
+                                               for (j = 0;j < 3;j++)
+                                               {
+                                                       while (*s && ISWHITESPACE(*s))
+                                                               s++;
+                                                       if (!*s)
+                                                               break;
+                                                       val->vector[j] = atof(s);
+                                                       while (!ISWHITESPACE(*s))
+                                                               s++;
+                                                       if (!*s)
+                                                               break;
+                                               }
+                                               break;
+                                       case ev_string:
+                                               val->string = PRVM_SetEngineString(prog, cvar->string);
+                                               cvar->globaldefindex_stringno[prog - prvm_prog_list] = val->string;
+                                               break;
+                                       default:
+                                               Con_Printf("PRVM_LoadProgs: invalid type of autocvar global %s in %s\n", name, prog->name);
+                                               goto fail;
+                               }
+                               cvar->globaldefindex[prog - prvm_prog_list] = i;
+                       }
+                       else
+                               Con_Printf("PRVM_LoadProgs: private cvar for autocvar global %s in %s\n", name, prog->name);
+               }
+fail:
+               ;
+       }
+
+       prog->loaded = TRUE;
+
+       PRVM_UpdateBreakpoints(prog);
+
+       // set flags & ddef_ts in prog
+
+       prog->flag = 0;
+
+       PRVM_FindOffsets(prog);
+
+       prog->init_cmd(prog);
+
+       // init mempools
+       PRVM_MEM_Alloc(prog);
+
+       // Inittime is at least the time when this function finished. However,
+       // later events may bump it.
+       prog->inittime = realtime;
+}
+
+
+static void PRVM_Fields_f (void)
+{
+       prvm_prog_t *prog;
+       int i, j, ednum, used, usedamount;
+       int *counts;
+       char tempstring[MAX_INPUTLINE], tempstring2[260];
+       const char *name;
+       prvm_edict_t *ed;
+       ddef_t *d;
+       prvm_eval_t *val;
 
        // TODO
        /*
@@ -1986,27 +2495,26 @@ void PRVM_Fields_f (void)
                return;
        }
 
-       PRVM_Begin;
-       if(!PRVM_SetProgFromString(Cmd_Argv(1)))
+       if (!(prog = PRVM_FriendlyProgFromString(Cmd_Argv(1))))
                return;
 
-       counts = (int *)Mem_Alloc(tempmempool, prog->progs->numfielddefs * sizeof(int));
+       counts = (int *)Mem_Alloc(tempmempool, prog->numfielddefs * sizeof(int));
        for (ednum = 0;ednum < prog->max_edicts;ednum++)
        {
                ed = PRVM_EDICT_NUM(ednum);
                if (ed->priv.required->free)
                        continue;
-               for (i = 1;i < prog->progs->numfielddefs;i++)
+               for (i = 1;i < prog->numfielddefs;i++)
                {
                        d = &prog->fielddefs[i];
-                       name = PRVM_GetString(d->s_name);
+                       name = PRVM_GetString(prog, d->s_name);
                        if (name[strlen(name)-2] == '_')
                                continue;       // skip _x, _y, _z vars
-                       v = (int *)((char *)ed->fields.vp + d->ofs*4);
+                       val = (prvm_eval_t *)(ed->fields.fp + d->ofs);
                        // if the value is still all 0, skip the field
                        for (j = 0;j < prvm_type_size[d->type & ~DEF_SAVEGLOBAL];j++)
                        {
-                               if (v[j])
+                               if (val->ivector[j])
                                {
                                        counts[i]++;
                                        break;
@@ -2017,10 +2525,10 @@ void PRVM_Fields_f (void)
        used = 0;
        usedamount = 0;
        tempstring[0] = 0;
-       for (i = 0;i < prog->progs->numfielddefs;i++)
+       for (i = 0;i < prog->numfielddefs;i++)
        {
                d = &prog->fielddefs[i];
-               name = PRVM_GetString(d->s_name);
+               name = PRVM_GetString(prog, d->s_name);
                if (name[strlen(name)-2] == '_')
                        continue;       // skip _x, _y, _z vars
                switch(d->type & ~DEF_SAVEGLOBAL)
@@ -2079,13 +2587,12 @@ void PRVM_Fields_f (void)
                }
        }
        Mem_Free(counts);
-       Con_Printf("%s: %i entity fields (%i in use), totalling %i bytes per edict (%i in use), %i edicts allocated, %i bytes total spent on edict fields (%i needed)\n", PRVM_NAME, prog->progs->entityfields, used, prog->progs->entityfields * 4, usedamount * 4, prog->max_edicts, prog->progs->entityfields * 4 * prog->max_edicts, usedamount * 4 * prog->max_edicts);
-
-       PRVM_End;
+       Con_Printf("%s: %i entity fields (%i in use), totalling %i bytes per edict (%i in use), %i edicts allocated, %i bytes total spent on edict fields (%i needed)\n", prog->name, prog->entityfields, used, prog->entityfields * 4, usedamount * 4, prog->max_edicts, prog->entityfields * 4 * prog->max_edicts, usedamount * 4 * prog->max_edicts);
 }
 
-void PRVM_Globals_f (void)
+static void PRVM_Globals_f (void)
 {
+       prvm_prog_t *prog;
        int i;
        const char *wildcard;
        int numculled;
@@ -2102,8 +2609,7 @@ void PRVM_Globals_f (void)
                return;
        }
 
-       PRVM_Begin;
-       if(!PRVM_SetProgFromString (Cmd_Argv (1)))
+       if (!(prog = PRVM_FriendlyProgFromString(Cmd_Argv(1))))
                return;
 
        if( Cmd_Argc() == 3)
@@ -2111,21 +2617,19 @@ void PRVM_Globals_f (void)
        else
                wildcard = NULL;
 
-       Con_Printf("%s :", PRVM_NAME);
+       Con_Printf("%s :", prog->name);
 
-       for (i = 0;i < prog->progs->numglobaldefs;i++)
+       for (i = 0;i < prog->numglobaldefs;i++)
        {
                if(wildcard)
-                       if( !matchpattern( PRVM_GetString(prog->globaldefs[i].s_name), wildcard, 1) )
+                       if( !matchpattern( PRVM_GetString(prog, prog->globaldefs[i].s_name), wildcard, 1) )
                        {
                                numculled++;
                                continue;
                        }
-               Con_Printf("%s\n", PRVM_GetString(prog->globaldefs[i].s_name));
+               Con_Printf("%s\n", PRVM_GetString(prog, prog->globaldefs[i].s_name));
        }
-       Con_Printf("%i global variables, %i culled, totalling %i bytes\n", prog->progs->numglobals, numculled, prog->progs->numglobals * 4);
-
-       PRVM_End;
+       Con_Printf("%i global variables, %i culled, totalling %i bytes\n", prog->numglobals, numculled, prog->numglobals * 4);
 }
 
 /*
@@ -2133,24 +2637,24 @@ void PRVM_Globals_f (void)
 PRVM_Global
 ===============
 */
-void PRVM_Global_f(void)
+static void PRVM_Global_f(void)
 {
+       prvm_prog_t *prog;
        ddef_t *global;
+       char valuebuf[MAX_INPUTLINE];
        if( Cmd_Argc() != 3 ) {
                Con_Printf( "prvm_global <program name> <global name>\n" );
                return;
        }
 
-       PRVM_Begin;
-       if( !PRVM_SetProgFromString( Cmd_Argv(1) ) )
+       if (!(prog = PRVM_FriendlyProgFromString(Cmd_Argv(1))))
                return;
 
-       global = PRVM_ED_FindGlobal( Cmd_Argv(2) );
+       global = PRVM_ED_FindGlobal( prog, Cmd_Argv(2) );
        if( !global )
                Con_Printf( "No global '%s' in %s!\n", Cmd_Argv(2), Cmd_Argv(1) );
        else
-               Con_Printf( "%s: %s\n", Cmd_Argv(2), PRVM_ValueString( (etype_t)global->type, (prvm_eval_t *) &prog->globals.generic[ global->ofs ] ) );
-       PRVM_End;
+               Con_Printf( "%s: %s\n", Cmd_Argv(2), PRVM_ValueString( prog, (etype_t)global->type, PRVM_GLOBALFIELDVALUE(global->ofs), valuebuf, sizeof(valuebuf) ) );
 }
 
 /*
@@ -2158,24 +2662,231 @@ void PRVM_Global_f(void)
 PRVM_GlobalSet
 ===============
 */
-void PRVM_GlobalSet_f(void)
+static void PRVM_GlobalSet_f(void)
 {
+       prvm_prog_t *prog;
        ddef_t *global;
        if( Cmd_Argc() != 4 ) {
                Con_Printf( "prvm_globalset <program name> <global name> <value>\n" );
                return;
        }
 
-       PRVM_Begin;
-       if( !PRVM_SetProgFromString( Cmd_Argv(1) ) )
+       if (!(prog = PRVM_FriendlyProgFromString(Cmd_Argv(1))))
                return;
 
-       global = PRVM_ED_FindGlobal( Cmd_Argv(2) );
+       global = PRVM_ED_FindGlobal( prog, Cmd_Argv(2) );
        if( !global )
                Con_Printf( "No global '%s' in %s!\n", Cmd_Argv(2), Cmd_Argv(1) );
        else
-               PRVM_ED_ParseEpair( NULL, global, Cmd_Argv(3), true );
-       PRVM_End;
+               PRVM_ED_ParseEpair( prog, NULL, global, Cmd_Argv(3), true );
+}
+
+/*
+======================
+Break- and Watchpoints
+======================
+*/
+typedef struct
+{
+       char break_statement[256];
+       char watch_global[256];
+       int watch_edict;
+       char watch_field[256];
+}
+debug_data_t;
+static debug_data_t debug_data[PRVM_PROG_MAX];
+
+void PRVM_Breakpoint(prvm_prog_t *prog, int stack_index, const char *text)
+{
+       char vabuf[1024];
+       Con_Printf("PRVM_Breakpoint: %s\n", text);
+       PRVM_PrintState(prog, stack_index);
+       if (prvm_breakpointdump.integer)
+               Host_Savegame_to(prog, va(vabuf, sizeof(vabuf), "breakpoint-%s.dmp", prog->name));
+}
+
+void PRVM_Watchpoint(prvm_prog_t *prog, int stack_index, const char *text, etype_t type, prvm_eval_t *o, prvm_eval_t *n)
+{
+       size_t sz = sizeof(prvm_vec_t) * ((type & ~DEF_SAVEGLOBAL) == ev_vector ? 3 : 1);
+       if (memcmp(o, n, sz))
+       {
+               char buf[1024];
+               char valuebuf_o[128];
+               char valuebuf_n[128];
+               PRVM_UglyValueString(prog, type, o, valuebuf_o, sizeof(valuebuf_o));
+               PRVM_UglyValueString(prog, type, n, valuebuf_n, sizeof(valuebuf_n));
+               dpsnprintf(buf, sizeof(buf), "%s: %s -> %s", text, valuebuf_o, valuebuf_n);
+               PRVM_Breakpoint(prog, stack_index, buf);
+               memcpy(o, n, sz);
+       }
+}
+
+static void PRVM_UpdateBreakpoints(prvm_prog_t *prog)
+{
+       debug_data_t *debug = &debug_data[prog - prvm_prog_list];
+       if (!prog->loaded)
+               return;
+       if (debug->break_statement[0])
+       {
+               if (debug->break_statement[0] >= '0' && debug->break_statement[0] <= '9')
+               {
+                       prog->break_statement = atoi(debug->break_statement);
+                       prog->break_stack_index = 0;
+               }
+               else
+               {
+                       mfunction_t *func;
+                       func = PRVM_ED_FindFunction (prog, debug->break_statement);
+                       if (!func)
+                       {
+                               Con_Printf("%s progs: no function or statement named %s to break on!\n", prog->name, debug->break_statement);
+                               prog->break_statement = -1;
+                       }
+                       else
+                       {
+                               prog->break_statement = func->first_statement;
+                               prog->break_stack_index = 1;
+                       }
+               }
+               if (prog->break_statement >= -1)
+                       Con_Printf("%s progs: breakpoint is at statement %d\n", prog->name, prog->break_statement);
+       }
+       else
+               prog->break_statement = -1;
+
+       if (debug->watch_global[0])
+       {
+               ddef_t *global = PRVM_ED_FindGlobal( prog, debug->watch_global );
+               if( !global )
+               {
+                       Con_Printf( "%s progs: no global named '%s' to watch!\n", prog->name, debug->watch_global );
+                       prog->watch_global_type = ev_void;
+               }
+               else
+               {
+                       size_t sz = sizeof(prvm_vec_t) * ((global->type  & ~DEF_SAVEGLOBAL) == ev_vector ? 3 : 1);
+                       prog->watch_global = global->ofs;
+                       prog->watch_global_type = (etype_t)global->type;
+                       memcpy(&prog->watch_global_value, PRVM_GLOBALFIELDVALUE(prog->watch_global), sz);
+               }
+               if (prog->watch_global_type != ev_void)
+                       Con_Printf("%s progs: global watchpoint is at global index %d\n", prog->name, prog->watch_global);
+       }
+       else
+               prog->watch_global_type = ev_void;
+
+       if (debug->watch_field[0])
+       {
+               ddef_t *field = PRVM_ED_FindField( prog, debug->watch_field );
+               if( !field )
+               {
+                       Con_Printf( "%s progs: no field named '%s' to watch!\n", prog->name, debug->watch_field );
+                       prog->watch_field_type = ev_void;
+               }
+               else
+               {
+                       size_t sz = sizeof(prvm_vec_t) * ((field->type & ~DEF_SAVEGLOBAL) == ev_vector ? 3 : 1);
+                       prog->watch_edict = debug->watch_edict;
+                       prog->watch_field = field->ofs;
+                       prog->watch_field_type = (etype_t)field->type;
+                       if (prog->watch_edict < prog->num_edicts)
+                               memcpy(&prog->watch_edictfield_value, PRVM_EDICTFIELDVALUE(PRVM_EDICT_NUM(prog->watch_edict), prog->watch_field), sz);
+                       else
+                               memset(&prog->watch_edictfield_value, 0, sz);
+               }
+               if (prog->watch_edict != ev_void)
+                       Con_Printf("%s progs: edict field watchpoint is at edict %d field index %d\n", prog->name, prog->watch_edict, prog->watch_field);
+       }
+       else
+               prog->watch_field_type = ev_void;
+}
+
+static void PRVM_Breakpoint_f(void)
+{
+       prvm_prog_t *prog;
+
+       if( Cmd_Argc() == 2 ) {
+               if (!(prog = PRVM_FriendlyProgFromString(Cmd_Argv(1))))
+                       return;
+               {
+                       debug_data_t *debug = &debug_data[prog - prvm_prog_list];
+                       debug->break_statement[0] = 0;
+               }
+               PRVM_UpdateBreakpoints(prog);
+               return;
+       }
+       if( Cmd_Argc() != 3 ) {
+               Con_Printf( "prvm_breakpoint <program name> <function name | statement>\n" );
+               return;
+       }
+
+       if (!(prog = PRVM_ProgFromString(Cmd_Argv(1))))
+               return;
+
+       {
+               debug_data_t *debug = &debug_data[prog - prvm_prog_list];
+               strlcpy(debug->break_statement, Cmd_Argv(2), sizeof(debug->break_statement));
+       }
+       PRVM_UpdateBreakpoints(prog);
+}
+
+static void PRVM_GlobalWatchpoint_f(void)
+{
+       prvm_prog_t *prog;
+
+       if( Cmd_Argc() == 2 ) {
+               if (!(prog = PRVM_FriendlyProgFromString(Cmd_Argv(1))))
+                       return;
+               {
+                       debug_data_t *debug = &debug_data[prog - prvm_prog_list];
+                       debug->watch_global[0] = 0;
+               }
+               PRVM_UpdateBreakpoints(prog);
+               return;
+       }
+       if( Cmd_Argc() != 3 ) {
+               Con_Printf( "prvm_globalwatchpoint <program name> <global name>\n" );
+               return;
+       }
+
+       if (!(prog = PRVM_ProgFromString(Cmd_Argv(1))))
+               return;
+
+       {
+               debug_data_t *debug = &debug_data[prog - prvm_prog_list];
+               strlcpy(debug->watch_global, Cmd_Argv(2), sizeof(debug->watch_global));
+       }
+       PRVM_UpdateBreakpoints(prog);
+}
+
+static void PRVM_EdictWatchpoint_f(void)
+{
+       prvm_prog_t *prog;
+
+       if( Cmd_Argc() == 2 ) {
+               if (!(prog = PRVM_FriendlyProgFromString(Cmd_Argv(1))))
+                       return;
+               {
+                       debug_data_t *debug = &debug_data[prog - prvm_prog_list];
+                       debug->watch_field[0] = 0;
+               }
+               PRVM_UpdateBreakpoints(prog);
+               return;
+       }
+       if( Cmd_Argc() != 4 ) {
+               Con_Printf( "prvm_edictwatchpoint <program name> <edict number> <field name>\n" );
+               return;
+       }
+
+       if (!(prog = PRVM_ProgFromString(Cmd_Argv(1))))
+               return;
+
+       {
+               debug_data_t *debug = &debug_data[prog - prvm_prog_list];
+               debug->watch_edict = atoi(Cmd_Argv(2));
+               strlcpy(debug->watch_field, Cmd_Argv(3), sizeof(debug->watch_field));
+       }
+       PRVM_UpdateBreakpoints(prog);
 }
 
 /*
@@ -2189,26 +2900,37 @@ void PRVM_Init (void)
        Cmd_AddCommand ("prvm_edicts", PRVM_ED_PrintEdicts_f, "prints all data about all entities in the selected VM (server, client, menu)");
        Cmd_AddCommand ("prvm_edictcount", PRVM_ED_Count_f, "prints number of active entities in the selected VM (server, client, menu)");
        Cmd_AddCommand ("prvm_profile", PRVM_Profile_f, "prints execution statistics about the most used QuakeC functions in the selected VM (server, client, menu)");
+       Cmd_AddCommand ("prvm_childprofile", PRVM_ChildProfile_f, "prints execution statistics about the most used QuakeC functions in the selected VM (server, client, menu), sorted by time taken in function with child calls");
        Cmd_AddCommand ("prvm_callprofile", PRVM_CallProfile_f, "prints execution statistics about the most time consuming QuakeC calls from the engine in the selected VM (server, client, menu)");
        Cmd_AddCommand ("prvm_fields", PRVM_Fields_f, "prints usage statistics on properties (how many entities have non-zero values) in the selected VM (server, client, menu)");
        Cmd_AddCommand ("prvm_globals", PRVM_Globals_f, "prints all global variables in the selected VM (server, client, menu)");
        Cmd_AddCommand ("prvm_global", PRVM_Global_f, "prints value of a specified global variable in the selected VM (server, client, menu)");
        Cmd_AddCommand ("prvm_globalset", PRVM_GlobalSet_f, "sets value of a specified global variable in the selected VM (server, client, menu)");
        Cmd_AddCommand ("prvm_edictset", PRVM_ED_EdictSet_f, "changes value of a specified property of a specified entity in the selected VM (server, client, menu)");
+       Cmd_AddCommand ("prvm_edictget", PRVM_ED_EdictGet_f, "retrieves the value of a specified property of a specified entity in the selected VM (server, client menu) into a cvar or to the console");
+       Cmd_AddCommand ("prvm_globalget", PRVM_ED_GlobalGet_f, "retrieves the value of a specified global variable in the selected VM (server, client menu) into a cvar or to the console");
        Cmd_AddCommand ("prvm_printfunction", PRVM_PrintFunction_f, "prints a disassembly (QuakeC instructions) of the specified function in the selected VM (server, client, menu)");
        Cmd_AddCommand ("cl_cmd", PRVM_GameCommand_Client_f, "calls the client QC function GameCommand with the supplied string as argument");
        Cmd_AddCommand ("menu_cmd", PRVM_GameCommand_Menu_f, "calls the menu QC function GameCommand with the supplied string as argument");
        Cmd_AddCommand ("sv_cmd", PRVM_GameCommand_Server_f, "calls the server QC function GameCommand with the supplied string as argument");
 
-       // COMMANDLINEOPTION: PRVM: -noboundscheck disables the bounds checks (security hole if CSQC is in use!)
-       prvm_boundscheck = !COM_CheckParm("-noboundscheck");
+       Cmd_AddCommand ("prvm_breakpoint", PRVM_Breakpoint_f, "marks a statement or function as breakpoint (when this is executed, a stack trace is printed); to actually halt and investigate state, combine this with a gdb breakpoint on PRVM_Breakpoint, or with prvm_breakpointdump; run with just progs name to clear breakpoint");
+       Cmd_AddCommand ("prvm_globalwatchpoint", PRVM_GlobalWatchpoint_f, "marks a global as watchpoint (when this is executed, a stack trace is printed); to actually halt and investigate state, combine this with a gdb breakpoint on PRVM_Breakpoint, or with prvm_breakpointdump; run with just progs name to clear watchpoint");
+       Cmd_AddCommand ("prvm_edictwatchpoint", PRVM_EdictWatchpoint_f, "marks an entity field as watchpoint (when this is executed, a stack trace is printed); to actually halt and investigate state, combine this with a gdb breakpoint on PRVM_Breakpoint, or with prvm_breakpointdump; run with just progs name to clear watchpoint");
 
+       Cvar_RegisterVariable (&prvm_language);
        Cvar_RegisterVariable (&prvm_traceqc);
        Cvar_RegisterVariable (&prvm_statementprofiling);
+       Cvar_RegisterVariable (&prvm_timeprofiling);
+       Cvar_RegisterVariable (&prvm_coverage);
        Cvar_RegisterVariable (&prvm_backtraceforwarnings);
        Cvar_RegisterVariable (&prvm_leaktest);
+       Cvar_RegisterVariable (&prvm_leaktest_follow_targetname);
        Cvar_RegisterVariable (&prvm_leaktest_ignore_classnames);
        Cvar_RegisterVariable (&prvm_errordump);
+       Cvar_RegisterVariable (&prvm_breakpointdump);
+       Cvar_RegisterVariable (&prvm_reuseedicts_startuptime);
+       Cvar_RegisterVariable (&prvm_reuseedicts_neverinsameframe);
 
        // COMMANDLINEOPTION: PRVM: -norunaway disables the runaway loop check (it might be impossible to exit DarkPlaces if used!)
        prvm_runawaycheck = !COM_CheckParm("-norunaway");
@@ -2221,180 +2943,102 @@ void PRVM_Init (void)
 PRVM_InitProg
 ===============
 */
-void PRVM_InitProg(int prognr)
+void PRVM_Prog_Init(prvm_prog_t *prog)
 {
-       if(prognr < 0 || prognr >= PRVM_MAXPROGS)
-               Sys_Error("PRVM_InitProg: Invalid program number %i",prognr);
-
-       prog = &prog_list[prognr];
-
-       if(prog->loaded)
-               PRVM_ResetProg();
-
-       memset(prog, 0, sizeof(prvm_prog_t));
-       prog->starttime = Sys_DoubleTime();
-
-       prog->error_cmd = Host_Error;
-       prog->leaktest_active = prvm_leaktest.integer;
-}
-
-int PRVM_GetProgNr(void)
-{
-       return prog - prog_list;
-}
-
-void *_PRVM_Alloc(size_t buffersize, const char *filename, int fileline)
-{
-       return _Mem_Alloc(prog->progs_mempool, buffersize, filename, fileline);
-}
-
-void _PRVM_Free(void *buffer, const char *filename, int fileline)
-{
-       _Mem_Free(buffer, filename, fileline);
-}
-
-void _PRVM_FreeAll(const char *filename, int fileline)
-{
-       prog->progs = NULL;
-       prog->fielddefs = NULL;
-       prog->functions = NULL;
-       _Mem_EmptyPool(prog->progs_mempool, filename, fileline);
+       PRVM_Prog_Reset(prog);
+       prog->leaktest_active = prvm_leaktest.integer != 0;
 }
 
 // LordHavoc: turned PRVM_EDICT_NUM into a #define for speed reasons
-unsigned int PRVM_EDICT_NUM_ERROR(unsigned int n, char *filename, int fileline)
+unsigned int PRVM_EDICT_NUM_ERROR(prvm_prog_t *prog, unsigned int n, const char *filename, int fileline)
 {
-       PRVM_ERROR ("PRVM_EDICT_NUM: %s: bad number %i (called at %s:%i)", PRVM_NAME, n, filename, fileline);
+       prog->error_cmd("PRVM_EDICT_NUM: %s: bad number %i (called at %s:%i)", prog->name, n, filename, fileline);
        return 0;
 }
 
-/*
-int NUM_FOR_EDICT_ERROR(prvm_edict_t *e)
-{
-       PRVM_ERROR ("PRVM_NUM_FOR_EDICT: bad pointer %p (world is %p, entity number would be %i)", e, prog->edicts, e - prog->edicts);
-       return 0;
-}
-
-int PRVM_NUM_FOR_EDICT(prvm_edict_t *e)
-{
-       int n;
-       n = e - prog->edicts;
-       if ((unsigned int)n >= prog->limit_edicts)
-               Host_Error ("PRVM_NUM_FOR_EDICT: bad pointer");
-       return n;
-}
-
-//int NoCrash_NUM_FOR_EDICT(prvm_edict_t *e)
-//{
-//     return e - prog->edicts;
-//}
-
-//#define      PRVM_EDICT_TO_PROG(e) ((unsigned char *)(((prvm_edict_t *)e)->v) - (unsigned char *)(prog->edictsfields))
-//#define PRVM_PROG_TO_EDICT(e) (prog->edicts + ((e) / (progs->entityfields * 4)))
-int PRVM_EDICT_TO_PROG(prvm_edict_t *e)
-{
-       int n;
-       n = e - prog->edicts;
-       if ((unsigned int)n >= (unsigned int)prog->max_edicts)
-               Host_Error("PRVM_EDICT_TO_PROG: invalid edict %8p (number %i compared to world at %8p)", e, n, prog->edicts);
-       return n;// EXPERIMENTAL
-       //return (unsigned char *)e->v - (unsigned char *)prog->edictsfields;
-}
-prvm_edict_t *PRVM_PROG_TO_EDICT(int n)
-{
-       if ((unsigned int)n >= (unsigned int)prog->max_edicts)
-               Host_Error("PRVM_PROG_TO_EDICT: invalid edict number %i", n);
-       return prog->edicts + n; // EXPERIMENTAL
-       //return prog->edicts + ((n) / (progs->entityfields * 4));
-}
-*/
+#define PRVM_KNOWNSTRINGBASE 0x40000000
 
-
-sizebuf_t vm_tempstringsbuf;
-
-const char *PRVM_GetString(int num)
+const char *PRVM_GetString(prvm_prog_t *prog, int num)
 {
-       if (num >= 0)
+       if (num < 0)
        {
-               if (num < prog->stringssize)
-                       return prog->strings + num;
-               else
-#if 1
-               if (num <= prog->stringssize + vm_tempstringsbuf.maxsize)
-               {
-                       num -= prog->stringssize;
-                       if (num < vm_tempstringsbuf.cursize)
-                               return (char *)vm_tempstringsbuf.data + num;
-                       else
-                       {
-                               VM_Warning("PRVM_GetString: Invalid temp-string offset (%i >= %i vm_tempstringsbuf.cursize)\n", num, vm_tempstringsbuf.cursize);
-                               return "";
-                       }
-               }
+               // invalid
+               VM_Warning(prog, "PRVM_GetString: Invalid string offset (%i < 0)\n", num);
+               return "";
+       }
+       else if (num < prog->stringssize)
+       {
+               // constant string from progs.dat
+               return prog->strings + num;
+       }
+       else if (num <= prog->stringssize + prog->tempstringsbuf.maxsize)
+       {
+               // tempstring returned by engine to QC (becomes invalid after returning to engine)
+               num -= prog->stringssize;
+               if (num < prog->tempstringsbuf.cursize)
+                       return (char *)prog->tempstringsbuf.data + num;
                else
-#endif
                {
-                       VM_Warning("PRVM_GetString: Invalid constant-string offset (%i >= %i prog->stringssize)\n", num, prog->stringssize);
+                       VM_Warning(prog, "PRVM_GetString: Invalid temp-string offset (%i >= %i prog->tempstringsbuf.cursize)\n", num, prog->tempstringsbuf.cursize);
                        return "";
                }
        }
-       else
+       else if (num & PRVM_KNOWNSTRINGBASE)
        {
-               num = -1 - num;
-#if 0
-               if (num >= (1<<30))
-               {
-                       // special range reserved for tempstrings
-                       num -= (1<<30);
-                       if (num < vm_tempstringsbuf.cursize)
-                               return (char *)vm_tempstringsbuf.data + num;
-                       else
-                       {
-                               VM_Warning("PRVM_GetString: Invalid temp-string offset (%i >= %i vm_tempstringsbuf.cursize)\n", num, vm_tempstringsbuf.cursize);
-                               return "";
-                       }
-               }
-               else
-#endif
-               if (num < prog->numknownstrings)
+               // allocated string
+               num = num - PRVM_KNOWNSTRINGBASE;
+               if (num >= 0 && num < prog->numknownstrings)
                {
                        if (!prog->knownstrings[num])
                        {
-                               VM_Warning("PRVM_GetString: Invalid zone-string offset (%i has been freed)\n", num);
+                               VM_Warning(prog, "PRVM_GetString: Invalid zone-string offset (%i has been freed)\n", num);
                                return "";
                        }
                        return prog->knownstrings[num];
                }
                else
                {
-                       VM_Warning("PRVM_GetString: Invalid zone-string offset (%i >= %i)\n", num, prog->numknownstrings);
+                       VM_Warning(prog, "PRVM_GetString: Invalid zone-string offset (%i >= %i)\n", num, prog->numknownstrings);
                        return "";
                }
        }
+       else
+       {
+               // invalid string offset
+               VM_Warning(prog, "PRVM_GetString: Invalid constant-string offset (%i >= %i prog->stringssize)\n", num, prog->stringssize);
+               return "";
+       }
+}
+
+const char *PRVM_ChangeEngineString(prvm_prog_t *prog, int i, const char *s)
+{
+       const char *old;
+       i = i - PRVM_KNOWNSTRINGBASE;
+       if(i < 0 || i >= prog->numknownstrings)
+               prog->error_cmd("PRVM_ChangeEngineString: s is not an engine string");
+       old = prog->knownstrings[i];
+       prog->knownstrings[i] = s;
+       return old;
 }
 
-int PRVM_SetEngineString(const char *s)
+int PRVM_SetEngineString(prvm_prog_t *prog, const char *s)
 {
        int i;
        if (!s)
                return 0;
        if (s >= prog->strings && s <= prog->strings + prog->stringssize)
-               PRVM_ERROR("PRVM_SetEngineString: s in prog->strings area");
+               prog->error_cmd("PRVM_SetEngineString: s in prog->strings area");
        // if it's in the tempstrings area, use a reserved range
        // (otherwise we'd get millions of useless string offsets cluttering the database)
-       if (s >= (char *)vm_tempstringsbuf.data && s < (char *)vm_tempstringsbuf.data + vm_tempstringsbuf.maxsize)
-#if 1
-               return prog->stringssize + (s - (char *)vm_tempstringsbuf.data);
-#else
-               return -1 - ((1<<30) + (s - (char *)vm_tempstringsbuf.data));
-#endif
+       if (s >= (char *)prog->tempstringsbuf.data && s < (char *)prog->tempstringsbuf.data + prog->tempstringsbuf.maxsize)
+               return prog->stringssize + (s - (char *)prog->tempstringsbuf.data);
        // see if it's a known string address
        for (i = 0;i < prog->numknownstrings;i++)
                if (prog->knownstrings[i] == s)
-                       return -1 - i;
+                       return PRVM_KNOWNSTRINGBASE + i;
        // new unknown engine string
-       if (developer.integer >= 200)
-               Con_Printf("new engine string %p = \"%s\"\n", s, s);
+       if (developer_insane.integer)
+               Con_DPrintf("new engine string %p = \"%s\"\n", s, s);
        for (i = prog->firstfreeknownstring;i < prog->numknownstrings;i++)
                if (!prog->knownstrings[i])
                        break;
@@ -2425,7 +3069,7 @@ int PRVM_SetEngineString(const char *s)
        prog->knownstrings_freeable[i] = false;
        if(prog->leaktest_active)
                prog->knownstrings_origin[i] = NULL;
-       return -1 - i;
+       return PRVM_KNOWNSTRINGBASE + i;
 }
 
 // temp string handling
@@ -2437,45 +3081,50 @@ int PRVM_SetEngineString(const char *s)
 //  buffer)
 // the buffer size is automatically grown as needed
 
-int PRVM_SetTempString(const char *s)
+int PRVM_SetTempString(prvm_prog_t *prog, const char *s)
 {
        int size;
        char *t;
        if (!s)
                return 0;
        size = (int)strlen(s) + 1;
-       if (developer.integer >= 300)
-               Con_Printf("PRVM_SetTempString: cursize %i, size %i\n", vm_tempstringsbuf.cursize, size);
-       if (vm_tempstringsbuf.maxsize < vm_tempstringsbuf.cursize + size)
-       {
-               sizebuf_t old = vm_tempstringsbuf;
-               if (vm_tempstringsbuf.cursize + size >= 1<<28)
-                       PRVM_ERROR("PRVM_SetTempString: ran out of tempstring memory!  (refusing to grow tempstring buffer over 256MB, cursize %i, size %i)\n", vm_tempstringsbuf.cursize, size);
-               vm_tempstringsbuf.maxsize = max(vm_tempstringsbuf.maxsize, 65536);
-               while (vm_tempstringsbuf.maxsize < vm_tempstringsbuf.cursize + size)
-                       vm_tempstringsbuf.maxsize *= 2;
-               if (vm_tempstringsbuf.maxsize != old.maxsize || vm_tempstringsbuf.data == NULL)
-               {
-                       if (developer.integer >= 100)
-                               Con_Printf("PRVM_SetTempString: enlarging tempstrings buffer (%iKB -> %iKB)\n", old.maxsize/1024, vm_tempstringsbuf.maxsize/1024);
-                       vm_tempstringsbuf.data = (unsigned char *) Mem_Alloc(sv_mempool, vm_tempstringsbuf.maxsize);
-                       if (old.cursize)
-                               memcpy(vm_tempstringsbuf.data, old.data, old.cursize);
+       if (developer_insane.integer)
+               Con_DPrintf("PRVM_SetTempString: cursize %i, size %i\n", prog->tempstringsbuf.cursize, size);
+       if (prog->tempstringsbuf.maxsize < prog->tempstringsbuf.cursize + size)
+       {
+               sizebuf_t old = prog->tempstringsbuf;
+               if (prog->tempstringsbuf.cursize + size >= 1<<28)
+                       prog->error_cmd("PRVM_SetTempString: ran out of tempstring memory!  (refusing to grow tempstring buffer over 256MB, cursize %i, size %i)\n", prog->tempstringsbuf.cursize, size);
+               prog->tempstringsbuf.maxsize = max(prog->tempstringsbuf.maxsize, 65536);
+               while (prog->tempstringsbuf.maxsize < prog->tempstringsbuf.cursize + size)
+                       prog->tempstringsbuf.maxsize *= 2;
+               if (prog->tempstringsbuf.maxsize != old.maxsize || prog->tempstringsbuf.data == NULL)
+               {
+                       Con_DPrintf("PRVM_SetTempString: enlarging tempstrings buffer (%iKB -> %iKB)\n", old.maxsize/1024, prog->tempstringsbuf.maxsize/1024);
+                       prog->tempstringsbuf.data = (unsigned char *) Mem_Alloc(prog->progs_mempool, prog->tempstringsbuf.maxsize);
                        if (old.data)
+                       {
+                               if (old.cursize)
+                                       memcpy(prog->tempstringsbuf.data, old.data, old.cursize);
                                Mem_Free(old.data);
+                       }
                }
        }
-       t = (char *)vm_tempstringsbuf.data + vm_tempstringsbuf.cursize;
+       t = (char *)prog->tempstringsbuf.data + prog->tempstringsbuf.cursize;
        memcpy(t, s, size);
-       vm_tempstringsbuf.cursize += size;
-       return PRVM_SetEngineString(t);
+       prog->tempstringsbuf.cursize += size;
+       return PRVM_SetEngineString(prog, t);
 }
 
-int PRVM_AllocString(size_t bufferlength, char **pointer)
+int PRVM_AllocString(prvm_prog_t *prog, size_t bufferlength, char **pointer)
 {
        int i;
        if (!bufferlength)
+       {
+               if (pointer)
+                       *pointer = NULL;
                return 0;
+       }
        for (i = prog->firstfreeknownstring;i < prog->numknownstrings;i++)
                if (!prog->knownstrings[i])
                        break;
@@ -2498,7 +3147,12 @@ int PRVM_AllocString(size_t bufferlength, char **pointer)
                                if(prog->leaktest_active)
                                        memcpy((char **)prog->knownstrings_origin, oldstrings_origin, prog->numknownstrings * sizeof(char *));
                        }
-                       // TODO why not Mem_Free the old ones?
+                       if (oldstrings)
+                               Mem_Free((char **)oldstrings);
+                       if (oldstrings_freeable)
+                               Mem_Free((unsigned char *)oldstrings_freeable);
+                       if (oldstrings_origin)
+                               Mem_Free((char **)oldstrings_origin);
                }
                prog->numknownstrings++;
        }
@@ -2506,25 +3160,25 @@ int PRVM_AllocString(size_t bufferlength, char **pointer)
        prog->knownstrings[i] = (char *)PRVM_Alloc(bufferlength);
        prog->knownstrings_freeable[i] = true;
        if(prog->leaktest_active)
-               prog->knownstrings_origin[i] = PRVM_AllocationOrigin();
+               prog->knownstrings_origin[i] = PRVM_AllocationOrigin(prog);
        if (pointer)
                *pointer = (char *)(prog->knownstrings[i]);
-       return -1 - i;
+       return PRVM_KNOWNSTRINGBASE + i;
 }
 
-void PRVM_FreeString(int num)
+void PRVM_FreeString(prvm_prog_t *prog, int num)
 {
        if (num == 0)
-               PRVM_ERROR("PRVM_FreeString: attempt to free a NULL string");
+               prog->error_cmd("PRVM_FreeString: attempt to free a NULL string");
        else if (num >= 0 && num < prog->stringssize)
-               PRVM_ERROR("PRVM_FreeString: attempt to free a constant string");
-       else if (num < 0 && num >= -prog->numknownstrings)
+               prog->error_cmd("PRVM_FreeString: attempt to free a constant string");
+       else if (num >= PRVM_KNOWNSTRINGBASE && num < PRVM_KNOWNSTRINGBASE + prog->numknownstrings)
        {
-               num = -1 - num;
+               num = num - PRVM_KNOWNSTRINGBASE;
                if (!prog->knownstrings[num])
-                       PRVM_ERROR("PRVM_FreeString: attempt to free a non-existent or already freed string");
+                       prog->error_cmd("PRVM_FreeString: attempt to free a non-existent or already freed string");
                if (!prog->knownstrings_freeable[num])
-                       PRVM_ERROR("PRVM_FreeString: attempt to free a string owned by the engine");
+                       prog->error_cmd("PRVM_FreeString: attempt to free a string owned by the engine");
                PRVM_Free((char *)prog->knownstrings[num]);
                if(prog->leaktest_active)
                        if(prog->knownstrings_origin[num])
@@ -2534,19 +3188,19 @@ void PRVM_FreeString(int num)
                prog->firstfreeknownstring = min(prog->firstfreeknownstring, num);
        }
        else
-               PRVM_ERROR("PRVM_FreeString: invalid string offset %i", num);
+               prog->error_cmd("PRVM_FreeString: invalid string offset %i", num);
 }
 
-static qboolean PRVM_IsStringReferenced(string_t string)
+static qboolean PRVM_IsStringReferenced(prvm_prog_t *prog, string_t string)
 {
        int i, j;
 
-       for (i = 0;i < prog->progs->numglobaldefs;i++)
+       for (i = 0;i < prog->numglobaldefs;i++)
        {
                ddef_t *d = &prog->globaldefs[i];
                if((etype_t)((int) d->type & ~DEF_SAVEGLOBAL) != ev_string)
                        continue;
-               if(string == ((prvm_eval_t *) &prog->globals.generic[d->ofs])->string)
+               if(string == PRVM_GLOBALFIELDSTRING(d->ofs))
                        return true;
        }
 
@@ -2555,12 +3209,12 @@ static qboolean PRVM_IsStringReferenced(string_t string)
                prvm_edict_t *ed = PRVM_EDICT_NUM(j);
                if (ed->priv.required->free)
                        continue;
-               for (i=0; i<prog->progs->numfielddefs; ++i)
+               for (i=0; i<prog->numfielddefs; ++i)
                {
                        ddef_t *d = &prog->fielddefs[i];
                        if((etype_t)((int) d->type & ~DEF_SAVEGLOBAL) != ev_string)
                                continue;
-                       if(string == ((prvm_eval_t *) &((float*)ed->fields.vp)[d->ofs])->string)
+                       if(string == PRVM_EDICTFIELDSTRING(ed, d->ofs))
                                return true;
                }
        }
@@ -2568,86 +3222,71 @@ static qboolean PRVM_IsStringReferenced(string_t string)
        return false;
 }
 
-static qboolean PRVM_IsEdictRelevant(prvm_edict_t *edict)
+static qboolean PRVM_IsEdictRelevant(prvm_prog_t *prog, prvm_edict_t *edict)
 {
+       char vabuf[1024];
+       char vabuf2[1024];
        if(PRVM_NUM_FOR_EDICT(edict) <= prog->reserved_edicts)
                return true; // world or clients
-       switch(prog - prog_list)
+       if (edict->priv.required->freetime <= prog->inittime)
+               return true; // created during startup
+       if (prog == SVVM_prog)
        {
-               case PRVM_SERVERPROG:
-                       {
-                               entvars_t *ev = edict->fields.server;
-                               if(ev->solid) // can block other stuff, or is a trigger?
-                                       return true;
-                               if(ev->modelindex) // visible ent?
-                                       return true;
-                               if(ev->effects) // particle effect?
-                                       return true;
-                               if(ev->think) // has a think function?
-                                       if(ev->nextthink > 0) // that actually will eventually run?
-                                               return true;
-                               if(ev->takedamage)
-                                       return true;
-                               if(*prvm_leaktest_ignore_classnames.string)
-                               {
-                                       if(strstr(va(" %s ", prvm_leaktest_ignore_classnames.string), va(" %s ", PRVM_GetString(ev->classname))))
-                                               return true;
-                               }
-                       }
-                       break;
-               case PRVM_CLIENTPROG:
-                       {
-                               // TODO someone add more stuff here
-                               cl_entvars_t *ev = edict->fields.client;
-                               if(ev->entnum) // csqc networked
-                                       return true;
-                               if(ev->modelindex) // visible ent?
-                                       return true;
-                               if(ev->effects) // particle effect?
-                                       return true;
-                               if(ev->think) // has a think function?
-                                       if(ev->nextthink > 0) // that actually will eventually run?
-                                               return true;
-                               if(*prvm_leaktest_ignore_classnames.string)
-                               {
-                                       if(strstr(va(" %s ", prvm_leaktest_ignore_classnames.string), va(" %s ", PRVM_GetString(ev->classname))))
-                                               return true;
-                               }
-                       }
-                       break;
-               case PRVM_MENUPROG:
-                       // menu prog does not have classnames
-                       break;
+               if(PRVM_serveredictfloat(edict, solid)) // can block other stuff, or is a trigger?
+                       return true;
+               if(PRVM_serveredictfloat(edict, modelindex)) // visible ent?
+                       return true;
+               if(PRVM_serveredictfloat(edict, effects)) // particle effect?
+                       return true;
+               if(PRVM_serveredictfunction(edict, think)) // has a think function?
+                       if(PRVM_serveredictfloat(edict, nextthink) > 0) // that actually will eventually run?
+                               return true;
+               if(PRVM_serveredictfloat(edict, takedamage))
+                       return true;
+               if(*prvm_leaktest_ignore_classnames.string)
+               {
+                       if(strstr(va(vabuf, sizeof(vabuf), " %s ", prvm_leaktest_ignore_classnames.string), va(vabuf2, sizeof(vabuf2), " %s ", PRVM_GetString(prog, PRVM_serveredictstring(edict, classname)))))
+                               return true;
+               }
+       }
+       else if (prog == CLVM_prog)
+       {
+               // TODO someone add more stuff here
+               if(PRVM_clientedictfloat(edict, entnum)) // csqc networked
+                       return true;
+               if(PRVM_clientedictfloat(edict, modelindex)) // visible ent?
+                       return true;
+               if(PRVM_clientedictfloat(edict, effects)) // particle effect?
+                       return true;
+               if(PRVM_clientedictfunction(edict, think)) // has a think function?
+                       if(PRVM_clientedictfloat(edict, nextthink) > 0) // that actually will eventually run?
+                               return true;
+               if(*prvm_leaktest_ignore_classnames.string)
+               {
+                       if(strstr(va(vabuf, sizeof(vabuf), " %s ", prvm_leaktest_ignore_classnames.string), va(vabuf2, sizeof(vabuf2), " %s ", PRVM_GetString(prog, PRVM_clientedictstring(edict, classname)))))
+                               return true;
+               }
+       }
+       else
+       {
+               // menu prog does not have classnames
        }
        return false;
 }
 
-static qboolean PRVM_IsEdictReferenced(prvm_edict_t *edict, int mark)
+static qboolean PRVM_IsEdictReferenced(prvm_prog_t *prog, prvm_edict_t *edict, int mark)
 {
        int i, j;
        int edictnum = PRVM_NUM_FOR_EDICT(edict);
        const char *targetname = NULL;
 
-       switch(prog - prog_list)
-       {
-               case PRVM_SERVERPROG:
-                       targetname = PRVM_GetString(edict->fields.server->targetname);
-                       break;
-       }
+       if (prog == SVVM_prog && prvm_leaktest_follow_targetname.integer)
+               targetname = PRVM_GetString(prog, PRVM_serveredictstring(edict, targetname));
 
        if(targetname)
                if(!*targetname) // ""
                        targetname = NULL;
 
-       for (i = 0;i < prog->progs->numglobaldefs;i++)
-       {
-               ddef_t *d = &prog->globaldefs[i];
-               if((etype_t)((int) d->type & ~DEF_SAVEGLOBAL) != ev_entity)
-                       continue;
-               if(edictnum == ((prvm_eval_t *) &prog->globals.generic[d->ofs])->edict)
-                       return true;
-       }
-
        for(j = 0; j < prog->num_edicts; ++j)
        {
                prvm_edict_t *ed = PRVM_EDICT_NUM(j);
@@ -2657,17 +3296,17 @@ static qboolean PRVM_IsEdictReferenced(prvm_edict_t *edict, int mark)
                        continue;
                if(targetname)
                {
-                       const char *target = PRVM_GetString(ed->fields.server->target);
+                       const char *target = PRVM_GetString(prog, PRVM_serveredictstring(ed, target));
                        if(target)
                                if(!strcmp(target, targetname))
                                        return true;
                }
-               for (i=0; i<prog->progs->numfielddefs; ++i)
+               for (i=0; i<prog->numfielddefs; ++i)
                {
                        ddef_t *d = &prog->fielddefs[i];
                        if((etype_t)((int) d->type & ~DEF_SAVEGLOBAL) != ev_entity)
                                continue;
-                       if(edictnum == ((prvm_eval_t *) &((float*)ed->fields.vp)[d->ofs])->edict)
+                       if(edictnum == PRVM_EDICTFIELDEDICT(ed, d->ofs))
                                return true;
                }
        }
@@ -2675,21 +3314,37 @@ static qboolean PRVM_IsEdictReferenced(prvm_edict_t *edict, int mark)
        return false;
 }
 
-static void PRVM_MarkReferencedEdicts(void)
+static void PRVM_MarkReferencedEdicts(prvm_prog_t *prog)
 {
-       int j;
+       int i, j;
        qboolean found_new;
        int stage;
 
+       // Stage 1: world, all entities that are relevant, and all entities that are referenced by globals.
+       stage = 1;
        for(j = 0; j < prog->num_edicts; ++j)
        {
                prvm_edict_t *ed = PRVM_EDICT_NUM(j);
                if(ed->priv.required->free)
                        continue;
-               ed->priv.required->mark = PRVM_IsEdictRelevant(ed) ? 1 : 0;
+               ed->priv.required->mark = PRVM_IsEdictRelevant(prog, ed) ? stage : 0;
+       }
+       for (i = 0;i < prog->numglobaldefs;i++)
+       {
+               ddef_t *d = &prog->globaldefs[i];
+               prvm_edict_t *ed;
+               if((etype_t)((int) d->type & ~DEF_SAVEGLOBAL) != ev_entity)
+                       continue;
+               j = PRVM_GLOBALFIELDEDICT(d->ofs);
+               if (i < 0 || j >= prog->max_edicts) {
+                       Con_Printf("Invalid entity reference from global %s.\n", PRVM_GetString(prog, d->s_name));
+                       continue;
+               }
+               ed = PRVM_EDICT_NUM(j);;
+               ed->priv.required->mark = stage;
        }
 
-       stage = 1;
+       // Future stages: all entities that are referenced by an entity of the previous stage.
        do
        {
                found_new = false;
@@ -2700,7 +3355,7 @@ static void PRVM_MarkReferencedEdicts(void)
                                continue;
                        if(ed->priv.required->mark)
                                continue;
-                       if(PRVM_IsEdictReferenced(ed, stage))
+                       if(PRVM_IsEdictReferenced(prog, ed, stage))
                        {
                                ed->priv.required->mark = stage + 1;
                                found_new = true;
@@ -2712,7 +3367,7 @@ static void PRVM_MarkReferencedEdicts(void)
        Con_DPrintf("leak check used %d stages to find all references\n", stage);
 }
 
-void PRVM_LeakTest(void)
+void PRVM_LeakTest(prvm_prog_t *prog)
 {
        int i, j;
        qboolean leaked = false;
@@ -2726,7 +3381,7 @@ void PRVM_LeakTest(void)
                if(prog->knownstrings[i])
                if(prog->knownstrings_freeable[i])
                if(prog->knownstrings_origin[i])
-               if(!PRVM_IsStringReferenced(-1 - i))
+               if(!PRVM_IsStringReferenced(prog, PRVM_KNOWNSTRINGBASE + i))
                {
                        Con_Printf("Unreferenced string found!\n  Value: %s\n  Origin: %s\n", prog->knownstrings[i], prog->knownstrings_origin[i]);
                        leaked = true;
@@ -2734,7 +3389,7 @@ void PRVM_LeakTest(void)
        }
 
        // 2. Edicts
-       PRVM_MarkReferencedEdicts();
+       PRVM_MarkReferencedEdicts(prog);
        for(j = 0; j < prog->num_edicts; ++j)
        {
                prvm_edict_t *ed = PRVM_EDICT_NUM(j);
@@ -2744,10 +3399,12 @@ void PRVM_LeakTest(void)
                if(ed->priv.required->allocation_origin)
                {
                        Con_Printf("Unreferenced edict found!\n  Allocated at: %s\n", ed->priv.required->allocation_origin);
-                       PRVM_ED_Print(ed, NULL);
+                       PRVM_ED_Print(prog, ed, NULL);
                        Con_Print("\n");
                        leaked = true;
                }
+
+               ed->priv.required->mark = 0; // clear marks again when done
        }
 
        for (i = 0; i < (int)Mem_ExpandableArray_IndexRange(&prog->stringbuffersarray); ++i)