]> de.git.xonotic.org Git - xonotic/darkplaces.git/blobdiff - prvm_cmds.c
menuqc += +VM_getkeybind, // #342 string(float keynum) getkeybind (EXT_CSQC)
[xonotic/darkplaces.git] / prvm_cmds.c
index 2c8878bff39f640f736349794853960dd4b2b4da..3976608f3e2af8020b6b398915a688f7968424f5 100644 (file)
@@ -7,8 +7,13 @@
 #include "quakedef.h"
 
 #include "prvm_cmds.h"
+#include "libcurl.h"
 #include <time.h>
 
+#include "cl_collision.h"
+#include "clvm_cmds.h"
+#include "ft2.h"
+
 extern cvar_t prvm_backtraceforwarnings;
 
 // LordHavoc: changed this to NOT use a return statement, so that it can be used in functions that must return a value
@@ -22,7 +27,7 @@ void VM_Warning(const char *fmt, ...)
        dpvsnprintf(msg,sizeof(msg),fmt,argptr);
        va_end(argptr);
 
-       Con_Printf(msg);
+       Con_DPrint(msg);
 
        // TODO: either add a cvar/cmd to control the state dumping or replace some of the calls with Con_Printf [9/13/2006 Black]
        if(prvm_backtraceforwarnings.integer && recursive != realtime) // NOTE: this compares to the time, just in case if PRVM_PrintState causes a Host_Error and keeps recursive set
@@ -44,10 +49,193 @@ void VM_Warning(const char *fmt, ...)
 
 void VM_CheckEmptyString (const char *s)
 {
-       if (s[0] <= ' ')
+       if (ISWHITESPACE(s[0]))
                PRVM_ERROR ("%s: Bad string", PRVM_NAME);
 }
 
+void VM_GenerateFrameGroupBlend(framegroupblend_t *framegroupblend, const prvm_edict_t *ed)
+{
+       prvm_eval_t *val;
+       // self.frame is the interpolation target (new frame)
+       // self.frame1time is the animation base time for the interpolation target
+       // self.frame2 is the interpolation start (previous frame)
+       // self.frame2time is the animation base time for the interpolation start
+       // self.lerpfrac is the interpolation strength for self.frame2
+       // self.lerpfrac3 is the interpolation strength for self.frame3
+       // self.lerpfrac4 is the interpolation strength for self.frame4
+       // pitch angle on a player model where the animator set up 5 sets of
+       // animations and the csqc simply lerps between sets)
+       if ((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.frame))) framegroupblend[0].frame = (int) val->_float;
+       if ((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.frame2))) framegroupblend[1].frame = (int) val->_float;
+       if ((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.frame3))) framegroupblend[2].frame = (int) val->_float;
+       if ((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.frame4))) framegroupblend[3].frame = (int) val->_float;
+       if ((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.frame1time))) framegroupblend[0].start = val->_float;
+       if ((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.frame2time))) framegroupblend[1].start = val->_float;
+       if ((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.frame3time))) framegroupblend[2].start = val->_float;
+       if ((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.frame4time))) framegroupblend[3].start = val->_float;
+       if ((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.lerpfrac))) framegroupblend[1].lerp = val->_float;
+       if ((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.lerpfrac3))) framegroupblend[2].lerp = val->_float;
+       if ((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.lerpfrac4))) framegroupblend[3].lerp = val->_float;
+       // assume that the (missing) lerpfrac1 is whatever remains after lerpfrac2+lerpfrac3+lerpfrac4 are summed
+       framegroupblend[0].lerp = 1 - framegroupblend[1].lerp - framegroupblend[2].lerp - framegroupblend[3].lerp;
+}
+
+// LordHavoc: quite tempting to break apart this function to reuse the
+//            duplicated code, but I suspect it is better for performance
+//            this way
+void VM_FrameBlendFromFrameGroupBlend(frameblend_t *frameblend, const framegroupblend_t *framegroupblend, const dp_model_t *model)
+{
+       int sub2, numframes, f, i, k;
+       int isfirstframegroup = true;
+       int nolerp;
+       double sublerp, lerp, d;
+       const animscene_t *scene;
+       const framegroupblend_t *g;
+       frameblend_t *blend = frameblend;
+
+       memset(blend, 0, MAX_FRAMEBLENDS * sizeof(*blend));
+
+       if (!model || !model->surfmesh.isanimated)
+       {
+               blend[0].lerp = 1;
+               return;
+       }
+
+       nolerp = (model->type == mod_sprite) ? !r_lerpsprites.integer : !r_lerpmodels.integer;
+       numframes = model->numframes;
+       for (k = 0, g = framegroupblend;k < MAX_FRAMEGROUPBLENDS;k++, g++)
+       {
+               f = g->frame;
+               if ((unsigned int)f >= (unsigned int)numframes)
+               {
+                       Con_DPrintf("VM_FrameBlendFromFrameGroupBlend: no such frame %d in model %s\n", f, model->name);
+                       f = 0;
+               }
+               d = lerp = g->lerp;
+               if (lerp <= 0)
+                       continue;
+               if (nolerp)
+               {
+                       if (isfirstframegroup)
+                       {
+                               d = lerp = 1;
+                               isfirstframegroup = false;
+                       }
+                       else
+                               continue;
+               }
+               if (model->animscenes)
+               {
+                       scene = model->animscenes + f;
+                       f = scene->firstframe;
+                       if (scene->framecount > 1)
+                       {
+                               // this code path is only used on .zym models and torches
+                               sublerp = scene->framerate * (cl.time - g->start);
+                               f = (int) floor(sublerp);
+                               sublerp -= f;
+                               sub2 = f + 1;
+                               if (sublerp < (1.0 / 65536.0f))
+                                       sublerp = 0;
+                               if (sublerp > (65535.0f / 65536.0f))
+                                       sublerp = 1;
+                               if (nolerp)
+                                       sublerp = 0;
+                               if (scene->loop)
+                               {
+                                       f = (f % scene->framecount);
+                                       sub2 = (sub2 % scene->framecount);
+                               }
+                               f = bound(0, f, (scene->framecount - 1)) + scene->firstframe;
+                               sub2 = bound(0, sub2, (scene->framecount - 1)) + scene->firstframe;
+                               d = sublerp * lerp;
+                               // two framelerps produced from one animation
+                               if (d > 0)
+                               {
+                                       for (i = 0;i < MAX_FRAMEBLENDS;i++)
+                                       {
+                                               if (blend[i].lerp <= 0 || blend[i].subframe == sub2)
+                                               {
+                                                       blend[i].subframe = sub2;
+                                                       blend[i].lerp += d;
+                                                       break;
+                                               }
+                                       }
+                               }
+                               d = (1 - sublerp) * lerp;
+                       }
+               }
+               if (d > 0)
+               {
+                       for (i = 0;i < MAX_FRAMEBLENDS;i++)
+                       {
+                               if (blend[i].lerp <= 0 || blend[i].subframe == f)
+                               {
+                                       blend[i].subframe = f;
+                                       blend[i].lerp += d;
+                                       break;
+                               }
+                       }
+               }
+       }
+}
+
+void VM_UpdateEdictSkeleton(prvm_edict_t *ed, const dp_model_t *edmodel, const frameblend_t *frameblend)
+{
+       if (ed->priv.server->skeleton.model != edmodel)
+       {
+               VM_RemoveEdictSkeleton(ed);
+               ed->priv.server->skeleton.model = edmodel;
+       }
+       if (!ed->priv.server->skeleton.relativetransforms && ed->priv.server->skeleton.model && ed->priv.server->skeleton.model->num_bones)
+               ed->priv.server->skeleton.relativetransforms = Mem_Alloc(prog->progs_mempool, ed->priv.server->skeleton.model->num_bones * sizeof(matrix4x4_t));
+       if (ed->priv.server->skeleton.relativetransforms)
+       {
+               int skeletonindex = -1;
+               skeleton_t *skeleton;
+               prvm_eval_t *val;
+               if ((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.skeletonindex))) skeletonindex = (int)val->_float - 1;
+               if (skeletonindex >= 0 && skeletonindex < MAX_EDICTS && (skeleton = prog->skeletons[skeletonindex]) && skeleton->model->num_bones == ed->priv.server->skeleton.model->num_bones)
+               {
+                       // custom skeleton controlled by the game (FTE_CSQC_SKELETONOBJECTS)
+                       memcpy(ed->priv.server->skeleton.relativetransforms, skeleton->relativetransforms, ed->priv.server->skeleton.model->num_bones * sizeof(matrix4x4_t));
+               }
+               else
+               {
+                       // generated skeleton from frame animation
+                       int blendindex;
+                       int bonenum;
+                       int numbones = ed->priv.server->skeleton.model->num_bones;
+                       const short *framebones6s;
+                       float lerp;
+                       float scale = ed->priv.server->skeleton.model->num_posescale;
+                       matrix4x4_t *relativetransforms = ed->priv.server->skeleton.relativetransforms;
+                       matrix4x4_t matrix;
+                       memset(relativetransforms, 0, numbones * sizeof(matrix4x4_t));
+                       for (blendindex = 0;blendindex < MAX_FRAMEBLENDS && frameblend[blendindex].lerp > 0;blendindex++)
+                       {
+                               lerp = frameblend[blendindex].lerp;
+                               framebones6s = ed->priv.server->skeleton.model->data_poses6s + 6 * frameblend[blendindex].subframe * numbones;
+                               for (bonenum = 0;bonenum < numbones;bonenum++)
+                               {
+                                       Matrix4x4_FromBonePose6s(&matrix, scale, framebones6s + 6 * bonenum);
+                                       Matrix4x4_Accumulate(&ed->priv.server->skeleton.relativetransforms[bonenum], &matrix, lerp);
+                               }
+                       }
+               }
+       }
+}
+
+void VM_RemoveEdictSkeleton(prvm_edict_t *ed)
+{
+       if (ed->priv.server->skeleton.relativetransforms)
+               Mem_Free(ed->priv.server->skeleton.relativetransforms);
+       memset(&ed->priv.server->skeleton, 0, sizeof(ed->priv.server->skeleton));
+}
+
+
+
+
 //============================================================================
 //BUILT-IN FUNCTIONS
 
@@ -412,6 +600,13 @@ void VM_localcmd (void)
        Cbuf_AddText(string);
 }
 
+static qboolean PRVM_Cvar_ReadOk(const char *string)
+{
+       cvar_t *cvar;
+       cvar = Cvar_FindVar(string);
+       return ((cvar) && ((cvar->flags & CVAR_PRIVATE) == 0));
+}
+
 /*
 =================
 VM_cvar
@@ -425,7 +620,53 @@ void VM_cvar (void)
        VM_SAFEPARMCOUNTRANGE(1,8,VM_cvar);
        VM_VarString(0, string, sizeof(string));
        VM_CheckEmptyString(string);
-       PRVM_G_FLOAT(OFS_RETURN) = Cvar_VariableValue(string);
+       PRVM_G_FLOAT(OFS_RETURN) = PRVM_Cvar_ReadOk(string) ? Cvar_VariableValue(string) : 0;
+}
+
+/*
+=================
+VM_cvar
+
+float cvar_type (string)
+float CVAR_TYPEFLAG_EXISTS = 1;
+float CVAR_TYPEFLAG_SAVED = 2;
+float CVAR_TYPEFLAG_PRIVATE = 4;
+float CVAR_TYPEFLAG_ENGINE = 8;
+float CVAR_TYPEFLAG_HASDESCRIPTION = 16;
+float CVAR_TYPEFLAG_READONLY = 32;
+=================
+*/
+void VM_cvar_type (void)
+{
+       char string[VM_STRINGTEMP_LENGTH];
+       cvar_t *cvar;
+       int ret;
+
+       VM_SAFEPARMCOUNTRANGE(1,8,VM_cvar);
+       VM_VarString(0, string, sizeof(string));
+       VM_CheckEmptyString(string);
+       cvar = Cvar_FindVar(string);
+
+
+       if(!cvar)
+       {
+               PRVM_G_FLOAT(OFS_RETURN) = 0;
+               return; // CVAR_TYPE_NONE
+       }
+
+       ret = 1; // CVAR_EXISTS
+       if(cvar->flags & CVAR_SAVE)
+               ret |= 2; // CVAR_TYPE_SAVED
+       if(cvar->flags & CVAR_PRIVATE)
+               ret |= 4; // CVAR_TYPE_PRIVATE
+       if(!(cvar->flags & CVAR_ALLOCATED))
+               ret |= 8; // CVAR_TYPE_ENGINE
+       if(cvar->description != cvar_dummy_description)
+               ret |= 16; // CVAR_TYPE_HASDESCRIPTION
+       if(cvar->flags & CVAR_READONLY)
+               ret |= 32; // CVAR_TYPE_READONLY
+       
+       PRVM_G_FLOAT(OFS_RETURN) = ret;
 }
 
 /*
@@ -441,7 +682,7 @@ void VM_cvar_string(void)
        VM_SAFEPARMCOUNTRANGE(1,8,VM_cvar_string);
        VM_VarString(0, string, sizeof(string));
        VM_CheckEmptyString(string);
-       PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(Cvar_VariableString(string));
+       PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(PRVM_Cvar_ReadOk(string) ? Cvar_VariableString(string) : "");
 }
 
 
@@ -460,6 +701,22 @@ void VM_cvar_defstring (void)
        VM_CheckEmptyString(string);
        PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(Cvar_VariableDefString(string));
 }
+
+/*
+========================
+VM_cvar_defstring
+
+const string   VM_cvar_description (string, ...)
+========================
+*/
+void VM_cvar_description (void)
+{
+       char string[VM_STRINGTEMP_LENGTH];
+       VM_SAFEPARMCOUNTRANGE(1,8,VM_cvar_description);
+       VM_VarString(0, string, sizeof(string));
+       VM_CheckEmptyString(string);
+       PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(Cvar_VariableDescription(string));
+}
 /*
 =================
 VM_cvar_set
@@ -489,15 +746,12 @@ void VM_dprint (void)
 {
        char string[VM_STRINGTEMP_LENGTH];
        VM_SAFEPARMCOUNTRANGE(1, 8, VM_dprint);
-       if (developer.integer)
-       {
-               VM_VarString(0, string, sizeof(string));
+       VM_VarString(0, string, sizeof(string));
 #if 1
-               Con_Printf("%s", string);
+       Con_DPrintf("%s", string);
 #else
-               Con_Printf("%s: %s", PRVM_NAME, string);
+       Con_DPrintf("%s: %s", PRVM_NAME, string);
 #endif
-       }
 }
 
 /*
@@ -518,9 +772,9 @@ void VM_ftos (void)
        v = PRVM_G_FLOAT(OFS_PARM0);
 
        if ((float)((int)v) == v)
-               sprintf(s, "%i", (int)v);
+               dpsnprintf(s, sizeof(s), "%i", (int)v);
        else
-               sprintf(s, "%f", v);
+               dpsnprintf(s, sizeof(s), "%f", v);
        PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(s);
 }
 
@@ -556,7 +810,7 @@ void VM_vtos (void)
 
        VM_SAFEPARMCOUNT(1,VM_vtos);
 
-       sprintf (s, "'%5.1f %5.1f %5.1f'", PRVM_G_VECTOR(OFS_PARM0)[0], PRVM_G_VECTOR(OFS_PARM0)[1], PRVM_G_VECTOR(OFS_PARM0)[2]);
+       dpsnprintf (s, sizeof(s), "'%5.1f %5.1f %5.1f'", PRVM_G_VECTOR(OFS_PARM0)[0], PRVM_G_VECTOR(OFS_PARM0)[1], PRVM_G_VECTOR(OFS_PARM0)[2]);
        PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(s);
 }
 
@@ -574,7 +828,7 @@ void VM_etos (void)
 
        VM_SAFEPARMCOUNT(1, VM_etos);
 
-       sprintf (s, "entity %i", PRVM_G_EDICTNUM(OFS_PARM0));
+       dpsnprintf (s, sizeof(s), "entity %i", PRVM_G_EDICTNUM(OFS_PARM0));
        PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(s);
 }
 
@@ -625,6 +879,19 @@ void VM_ftoe(void)
        PRVM_G_INT(OFS_RETURN) = ent;
 }
 
+/*
+========================
+VM_etof
+
+float etof(entity ent)
+========================
+*/
+void VM_etof(void)
+{
+       VM_SAFEPARMCOUNT(1, VM_etof);
+       PRVM_G_FLOAT(OFS_RETURN) = PRVM_G_EDICTNUM(OFS_PARM0);
+}
+
 /*
 =========
 VM_strftime
@@ -635,23 +902,40 @@ string strftime(float uselocaltime, string[, string ...])
 void VM_strftime(void)
 {
        time_t t;
+#if _MSC_VER >= 1400
+       struct tm tm;
+       int tmresult;
+#else
        struct tm *tm;
+#endif
        char fmt[VM_STRINGTEMP_LENGTH];
        char result[VM_STRINGTEMP_LENGTH];
        VM_SAFEPARMCOUNTRANGE(2, 8, VM_strftime);
        VM_VarString(1, fmt, sizeof(fmt));
        t = time(NULL);
+#if _MSC_VER >= 1400
+       if (PRVM_G_FLOAT(OFS_PARM0))
+               tmresult = localtime_s(&tm, &t);
+       else
+               tmresult = gmtime_s(&tm, &t);
+       if (!tmresult)
+#else
        if (PRVM_G_FLOAT(OFS_PARM0))
                tm = localtime(&t);
        else
                tm = gmtime(&t);
        if (!tm)
+#endif
        {
-               PRVM_G_FLOAT(OFS_RETURN) = 0;
+               PRVM_G_INT(OFS_RETURN) = 0;
                return;
        }
+#if _MSC_VER >= 1400
+       strftime(result, sizeof(result), fmt, &tm);
+#else
        strftime(result, sizeof(result), fmt, tm);
-       PRVM_G_FLOAT(OFS_RETURN) = PRVM_SetTempString(result);
+#endif
+       PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(result);
 }
 
 /*
@@ -689,12 +973,12 @@ void VM_remove (void)
        ed = PRVM_G_EDICT(OFS_PARM0);
        if( PRVM_NUM_FOR_EDICT(ed) <= prog->reserved_edicts )
        {
-               if (developer.integer >= 1)
+               if (developer.integer > 0)
                        VM_Warning( "VM_remove: tried to remove the null entity or a reserved entity!\n" );
        }
        else if( ed->priv.required->free )
        {
-               if (developer.integer >= 1)
+               if (developer.integer > 0)
                        VM_Warning( "VM_remove: tried to remove an already freed entity!\n" );
        }
        else
@@ -798,11 +1082,16 @@ void VM_findchain (void)
        int             f;
        const char      *s, *t;
        prvm_edict_t    *ent, *chain;
+       int chainfield;
 
-       VM_SAFEPARMCOUNT(2,VM_findchain);
+       VM_SAFEPARMCOUNTRANGE(2,3,VM_findchain);
 
-       if (prog->fieldoffsets.chain < 0)
-               PRVM_ERROR("VM_findchain: %s doesnt have a chain field !", PRVM_NAME);
+       if(prog->argc == 3)
+               chainfield = PRVM_G_INT(OFS_PARM2);
+       else
+               chainfield = prog->fieldoffsets.chain;
+       if (chainfield < 0)
+               PRVM_ERROR("VM_findchain: %s doesnt have the specified chain field !", PRVM_NAME);
 
        chain = prog->edicts;
 
@@ -825,7 +1114,7 @@ void VM_findchain (void)
                if (strcmp(t,s))
                        continue;
 
-               PRVM_EDICTFIELDVALUE(ent,prog->fieldoffsets.chain)->edict = PRVM_NUM_FOR_EDICT(chain);
+               PRVM_EDICTFIELDVALUE(ent,chainfield)->edict = PRVM_NUM_FOR_EDICT(chain);
                chain = ent;
        }
 
@@ -848,11 +1137,16 @@ void VM_findchainfloat (void)
        int             f;
        float   s;
        prvm_edict_t    *ent, *chain;
+       int chainfield;
 
-       VM_SAFEPARMCOUNT(2, VM_findchainfloat);
+       VM_SAFEPARMCOUNTRANGE(2, 3, VM_findchainfloat);
 
-       if (prog->fieldoffsets.chain < 0)
-               PRVM_ERROR("VM_findchainfloat: %s doesnt have a chain field !", PRVM_NAME);
+       if(prog->argc == 3)
+               chainfield = PRVM_G_INT(OFS_PARM2);
+       else
+               chainfield = prog->fieldoffsets.chain;
+       if (chainfield < 0)
+               PRVM_ERROR("VM_findchain: %s doesnt have the specified chain field !", PRVM_NAME);
 
        chain = (prvm_edict_t *)prog->edicts;
 
@@ -868,7 +1162,7 @@ void VM_findchainfloat (void)
                if (PRVM_E_FLOAT(ent,f) != s)
                        continue;
 
-               PRVM_EDICTFIELDVALUE(ent,prog->fieldoffsets.chain)->edict = PRVM_EDICT_TO_PROG(chain);
+               PRVM_EDICTFIELDVALUE(ent,chainfield)->edict = PRVM_EDICT_TO_PROG(chain);
                chain = ent;
        }
 
@@ -929,11 +1223,16 @@ void VM_findchainflags (void)
        int             f;
        int             s;
        prvm_edict_t    *ent, *chain;
+       int chainfield;
 
-       VM_SAFEPARMCOUNT(2, VM_findchainflags);
+       VM_SAFEPARMCOUNTRANGE(2, 3, VM_findchainflags);
 
-       if (prog->fieldoffsets.chain < 0)
-               PRVM_ERROR("VM_findchainflags: %s doesnt have a chain field !", PRVM_NAME);
+       if(prog->argc == 3)
+               chainfield = PRVM_G_INT(OFS_PARM2);
+       else
+               chainfield = prog->fieldoffsets.chain;
+       if (chainfield < 0)
+               PRVM_ERROR("VM_findchain: %s doesnt have the specified chain field !", PRVM_NAME);
 
        chain = (prvm_edict_t *)prog->edicts;
 
@@ -951,7 +1250,7 @@ void VM_findchainflags (void)
                if (!((int)PRVM_E_FLOAT(ent,f) & s))
                        continue;
 
-               PRVM_EDICTFIELDVALUE(ent,prog->fieldoffsets.chain)->edict = PRVM_EDICT_TO_PROG(chain);
+               PRVM_EDICTFIELDVALUE(ent,chainfield)->edict = PRVM_EDICT_TO_PROG(chain);
                chain = ent;
        }
 
@@ -973,9 +1272,9 @@ void VM_precache_sound (void)
 
        s = PRVM_G_STRING(OFS_PARM0);
        PRVM_G_INT(OFS_RETURN) = PRVM_G_INT(OFS_PARM0);
-       VM_CheckEmptyString(s);
+       //VM_CheckEmptyString(s);
 
-       if(snd_initialized.integer && !S_PrecacheSound(s, true, false))
+       if(snd_initialized.integer && !S_PrecacheSound(s, true, true))
        {
                VM_Warning("VM_precache_sound: Failed to load %s for %s\n", s, PRVM_NAME);
                return;
@@ -1365,7 +1664,7 @@ void VM_registercvar (void)
                return;
        }
 
-       Cvar_Get(name, value, flags);
+       Cvar_Get(name, value, flags, NULL);
 
        PRVM_G_FLOAT(OFS_RETURN) = 1; // success
 }
@@ -1453,6 +1752,12 @@ void VM_pow (void)
        PRVM_G_FLOAT(OFS_RETURN) = pow(PRVM_G_FLOAT(OFS_PARM0), PRVM_G_FLOAT(OFS_PARM1));
 }
 
+void VM_log (void)
+{
+       VM_SAFEPARMCOUNT(1,VM_log);
+       PRVM_G_FLOAT(OFS_RETURN) = log(PRVM_G_FLOAT(OFS_PARM0));
+}
+
 void VM_Files_Init(void)
 {
        int i;
@@ -1512,40 +1817,42 @@ void VM_fopen(void)
                VM_Warning("VM_fopen: %s ran out of file handles (%i)\n", PRVM_NAME, PRVM_MAX_OPENFILES);
                return;
        }
+       filename = PRVM_G_STRING(OFS_PARM0);
        mode = (int)PRVM_G_FLOAT(OFS_PARM1);
        switch(mode)
        {
        case 0: // FILE_READ
                modestring = "rb";
+               prog->openfiles[filenum] = FS_OpenVirtualFile(va("data/%s", filename), false);
+               if (prog->openfiles[filenum] == NULL)
+                       prog->openfiles[filenum] = FS_OpenVirtualFile(va("%s", filename), false);
                break;
        case 1: // FILE_APPEND
-               modestring = "ab";
+               modestring = "a";
+               prog->openfiles[filenum] = FS_OpenRealFile(va("data/%s", filename), modestring, false);
                break;
        case 2: // FILE_WRITE
-               modestring = "wb";
+               modestring = "w";
+               prog->openfiles[filenum] = FS_OpenRealFile(va("data/%s", filename), modestring, false);
                break;
        default:
                PRVM_G_FLOAT(OFS_RETURN) = -3;
                VM_Warning("VM_fopen: %s: no such mode %i (valid: 0 = read, 1 = append, 2 = write)\n", PRVM_NAME, mode);
                return;
        }
-       filename = PRVM_G_STRING(OFS_PARM0);
-
-       prog->openfiles[filenum] = FS_Open(va("data/%s", filename), modestring, false, false);
-       if (prog->openfiles[filenum] == NULL && mode == 0)
-               prog->openfiles[filenum] = FS_Open(va("%s", filename), modestring, false, false);
 
        if (prog->openfiles[filenum] == NULL)
        {
                PRVM_G_FLOAT(OFS_RETURN) = -1;
-               if (developer.integer >= 100)
+               if (developer_extra.integer)
                        VM_Warning("VM_fopen: %s: %s mode %s failed\n", PRVM_NAME, filename, modestring);
        }
        else
        {
                PRVM_G_FLOAT(OFS_RETURN) = filenum;
-               if (developer.integer >= 100)
-                       Con_Printf("VM_fopen: %s: %s mode %s opened as #%i\n", PRVM_NAME, filename, modestring, filenum);
+               if (developer_extra.integer)
+                       Con_DPrintf("VM_fopen: %s: %s mode %s opened as #%i\n", PRVM_NAME, filename, modestring, filenum);
+               prog->openfiles_origin[filenum] = PRVM_AllocationOrigin();
        }
 }
 
@@ -1576,8 +1883,10 @@ void VM_fclose(void)
        }
        FS_Close(prog->openfiles[filenum]);
        prog->openfiles[filenum] = NULL;
-       if (developer.integer >= 100)
-               Con_Printf("VM_fclose: %s: #%i closed\n", PRVM_NAME, filenum);
+       if(prog->openfiles_origin[filenum])
+               PRVM_Free((char *)prog->openfiles_origin[filenum]);
+       if (developer_extra.integer)
+               Con_DPrintf("VM_fclose: %s: #%i closed\n", PRVM_NAME, filenum);
 }
 
 /*
@@ -1596,6 +1905,9 @@ void VM_fgets(void)
 
        VM_SAFEPARMCOUNT(1,VM_fgets);
 
+       // set the return value regardless of any possible errors
+       PRVM_G_INT(OFS_RETURN) = OFS_NULL;
+
        filenum = (int)PRVM_G_FLOAT(OFS_PARM0);
        if (filenum < 0 || filenum >= PRVM_MAX_OPENFILES)
        {
@@ -1624,12 +1936,10 @@ void VM_fgets(void)
                if (c != '\n')
                        FS_UnGetc(prog->openfiles[filenum], (unsigned char)c);
        }
-       if (developer.integer >= 100)
-               Con_Printf("fgets: %s: %s\n", PRVM_NAME, string);
+       if (developer_extra.integer)
+               Con_DPrintf("fgets: %s: %s\n", PRVM_NAME, string);
        if (c >= 0 || end)
                PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(string);
-       else
-               PRVM_G_INT(OFS_RETURN) = OFS_NULL;
 }
 
 /*
@@ -1662,8 +1972,8 @@ void VM_fputs(void)
        VM_VarString(1, string, sizeof(string));
        if ((stringlength = (int)strlen(string)))
                FS_Write(prog->openfiles[filenum], string, stringlength);
-       if (developer.integer >= 100)
-               Con_Printf("fputs: %s: %s\n", PRVM_NAME, string);
+       if (developer_extra.integer)
+               Con_DPrintf("fputs: %s: %s\n", PRVM_NAME, string);
 }
 
 /*
@@ -1697,6 +2007,155 @@ void VM_writetofile(void)
        PRVM_ED_Write (file, ent);
 }
 
+// KrimZon - DP_QC_ENTITYDATA
+/*
+=========
+VM_numentityfields
+
+float() numentityfields
+Return the number of entity fields - NOT offsets
+=========
+*/
+void VM_numentityfields(void)
+{
+       PRVM_G_FLOAT(OFS_RETURN) = prog->progs->numfielddefs;
+}
+
+// KrimZon - DP_QC_ENTITYDATA
+/*
+=========
+VM_entityfieldname
+
+string(float fieldnum) entityfieldname
+Return name of the specified field as a string, or empty if the field is invalid (warning)
+=========
+*/
+void VM_entityfieldname(void)
+{
+       ddef_t *d;
+       int i = (int)PRVM_G_FLOAT(OFS_PARM0);
+       
+       if (i < 0 || i >= prog->progs->numfielddefs)
+       {
+        VM_Warning("VM_entityfieldname: %s: field index out of bounds\n", PRVM_NAME);
+        PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString("");
+               return;
+       }
+       
+       d = &prog->fielddefs[i];
+       PRVM_G_INT(OFS_RETURN) = d->s_name; // presuming that s_name points to a string already
+}
+
+// KrimZon - DP_QC_ENTITYDATA
+/*
+=========
+VM_entityfieldtype
+
+float(float fieldnum) entityfieldtype
+=========
+*/
+void VM_entityfieldtype(void)
+{
+       ddef_t *d;
+       int i = (int)PRVM_G_FLOAT(OFS_PARM0);
+       
+       if (i < 0 || i >= prog->progs->numfielddefs)
+       {
+               VM_Warning("VM_entityfieldtype: %s: field index out of bounds\n", PRVM_NAME);
+               PRVM_G_FLOAT(OFS_RETURN) = -1.0;
+               return;
+       }
+       
+       d = &prog->fielddefs[i];
+       PRVM_G_FLOAT(OFS_RETURN) = (float)d->type;
+}
+
+// KrimZon - DP_QC_ENTITYDATA
+/*
+=========
+VM_getentityfieldstring
+
+string(float fieldnum, entity ent) getentityfieldstring
+=========
+*/
+void VM_getentityfieldstring(void)
+{
+       // put the data into a string
+       ddef_t *d;
+       int type, j;
+       int *v;
+       prvm_edict_t * ent;
+       int i = (int)PRVM_G_FLOAT(OFS_PARM0);
+       
+       if (i < 0 || i >= prog->progs->numfielddefs)
+       {
+        VM_Warning("VM_entityfielddata: %s: field index out of bounds\n", PRVM_NAME);
+               PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString("");
+               return;
+       }
+       
+       d = &prog->fielddefs[i];
+       
+       // get the entity
+       ent = PRVM_G_EDICT(OFS_PARM1);
+       if(ent->priv.required->free)
+       {
+               PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString("");
+               VM_Warning("VM_entityfielddata: %s: entity %i is free !\n", PRVM_NAME, PRVM_NUM_FOR_EDICT(ent));
+               return;
+       }
+       v = (int *)((char *)ent->fields.vp + d->ofs*4);
+       
+       // if it's 0 or blank, return an empty string
+       type = d->type & ~DEF_SAVEGLOBAL;
+       for (j=0 ; j<prvm_type_size[type] ; j++)
+               if (v[j])
+                       break;
+       if (j == prvm_type_size[type])
+       {
+               PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString("");
+               return;
+       }
+               
+       PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(PRVM_UglyValueString((etype_t)d->type, (prvm_eval_t *)v));
+}
+
+// KrimZon - DP_QC_ENTITYDATA
+/*
+=========
+VM_putentityfieldstring
+
+float(float fieldnum, entity ent, string s) putentityfieldstring
+=========
+*/
+void VM_putentityfieldstring(void)
+{
+       ddef_t *d;
+       prvm_edict_t * ent;
+       int i = (int)PRVM_G_FLOAT(OFS_PARM0);
+
+       if (i < 0 || i >= prog->progs->numfielddefs)
+       {
+        VM_Warning("VM_entityfielddata: %s: field index out of bounds\n", PRVM_NAME);
+               PRVM_G_FLOAT(OFS_RETURN) = 0.0f;
+               return;
+       }
+
+       d = &prog->fielddefs[i];
+
+       // get the entity
+       ent = PRVM_G_EDICT(OFS_PARM1);
+       if(ent->priv.required->free)
+       {
+               VM_Warning("VM_entityfielddata: %s: entity %i is free !\n", PRVM_NAME, PRVM_NUM_FOR_EDICT(ent));
+               PRVM_G_FLOAT(OFS_RETURN) = 0.0f;
+               return;
+       }
+
+       // parse the string into the value
+       PRVM_G_FLOAT(OFS_RETURN) = ( PRVM_ED_ParseEpair(ent, d, PRVM_G_STRING(OFS_PARM2), false) ) ? 1.0f : 0.0f;
+}
+
 /*
 =========
 VM_strlen
@@ -1709,7 +2168,8 @@ void VM_strlen(void)
 {
        VM_SAFEPARMCOUNT(1,VM_strlen);
 
-       PRVM_G_FLOAT(OFS_RETURN) = strlen(PRVM_G_STRING(OFS_PARM0));
+       //PRVM_G_FLOAT(OFS_RETURN) = strlen(PRVM_G_STRING(OFS_PARM0));
+       PRVM_G_FLOAT(OFS_RETURN) = u8_strlen(PRVM_G_STRING(OFS_PARM0));
 }
 
 // DRESK - Decolorized String
@@ -1729,9 +2189,7 @@ void VM_strdecolorize(void)
        // Prepare Strings
        VM_SAFEPARMCOUNT(1,VM_strdecolorize);
        szString = PRVM_G_STRING(OFS_PARM0);
-
        COM_StringDecolorize(szString, 0, szNewString, sizeof(szNewString), TRUE);
-
        PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(szNewString);
 }
 
@@ -1754,7 +2212,8 @@ void VM_strlennocol(void)
 
        szString = PRVM_G_STRING(OFS_PARM0);
 
-       nCnt = COM_StringLengthNoColors(szString, 0, NULL);
+       //nCnt = COM_StringLengthNoColors(szString, 0, NULL);
+       nCnt = u8_COM_StringLengthNoColors(szString, 0, NULL);
 
        PRVM_G_FLOAT(OFS_RETURN) = nCnt;
 }
@@ -1834,19 +2293,65 @@ string  substring(string s, float start, float length)
 // returns a section of a string as a tempstring
 void VM_substring(void)
 {
-       int i, start, length;
+       int start, length;
+       int u_slength = 0, u_start;
+       size_t u_length;
        const char *s;
        char string[VM_STRINGTEMP_LENGTH];
 
        VM_SAFEPARMCOUNT(3,VM_substring);
 
+       /*
+       s = PRVM_G_STRING(OFS_PARM0);
+       start = (int)PRVM_G_FLOAT(OFS_PARM1);
+       length = (int)PRVM_G_FLOAT(OFS_PARM2);
+       slength = strlen(s);
+
+       if (start < 0) // FTE_STRINGS feature
+               start += slength;
+       start = bound(0, start, slength);
+
+       if (length < 0) // FTE_STRINGS feature
+               length += slength - start + 1;
+       maxlen = min((int)sizeof(string) - 1, slength - start);
+       length = bound(0, length, maxlen);
+
+       memcpy(string, s + start, length);
+       string[length] = 0;
+       PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(string);
+       */
+       
        s = PRVM_G_STRING(OFS_PARM0);
        start = (int)PRVM_G_FLOAT(OFS_PARM1);
        length = (int)PRVM_G_FLOAT(OFS_PARM2);
-       for (i = 0;i < start && *s;i++, s++);
-       for (i = 0;i < (int)sizeof(string) - 1 && *s && i < length;i++, s++)
-               string[i] = *s;
-       string[i] = 0;
+
+       if (start < 0) // FTE_STRINGS feature
+       {
+               u_slength = u8_strlen(s);
+               start += u_slength;
+               start = bound(0, start, u_slength);
+       }
+
+       if (length < 0) // FTE_STRINGS feature
+       {
+               if (!u_slength) // it's not calculated when it's not needed above
+                       u_slength = u8_strlen(s);
+               length += u_slength - start + 1;
+       }
+               
+       // positive start, positive length
+       u_start = u8_byteofs(s, start, NULL);
+       if (u_start < 0)
+       {
+               PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString("");
+               return;
+       }
+       u_length = u8_bytelen(s + u_start, length);
+       if (u_length >= sizeof(string)-1)
+               u_length = sizeof(string)-1;
+       
+       memcpy(string, s + u_start, u_length);
+       string[u_length] = 0;
        PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(string);
 }
 
@@ -2044,24 +2549,67 @@ float tokenize(string s)
 //float(string s) tokenize = #441; // takes apart a string into individal words (access them with argv), returns how many
 //this function originally written by KrimZon, made shorter by LordHavoc
 //20040203: rewritten by LordHavoc (no longer uses allocations)
-int num_tokens = 0;
-int tokens[256];
+static int num_tokens = 0;
+static int tokens[VM_STRINGTEMP_LENGTH / 2];
+static int tokens_startpos[VM_STRINGTEMP_LENGTH / 2];
+static int tokens_endpos[VM_STRINGTEMP_LENGTH / 2];
+static char tokenize_string[VM_STRINGTEMP_LENGTH];
 void VM_tokenize (void)
 {
        const char *p;
-       static char string[VM_STRINGTEMP_LENGTH]; // static, because it's big
 
        VM_SAFEPARMCOUNT(1,VM_tokenize);
 
-       strlcpy(string, PRVM_G_STRING(OFS_PARM0), sizeof(string));
-       p = string;
+       strlcpy(tokenize_string, PRVM_G_STRING(OFS_PARM0), sizeof(tokenize_string));
+       p = tokenize_string;
+
+       num_tokens = 0;
+       for(;;)
+       {
+               if (num_tokens >= (int)(sizeof(tokens)/sizeof(tokens[0])))
+                       break;
+
+               // skip whitespace here to find token start pos
+               while(*p && ISWHITESPACE(*p))
+                       ++p;
+
+               tokens_startpos[num_tokens] = p - tokenize_string;
+               if(!COM_ParseToken_VM_Tokenize(&p, false))
+                       break;
+               tokens_endpos[num_tokens] = p - tokenize_string;
+               tokens[num_tokens] = PRVM_SetTempString(com_token);
+               ++num_tokens;
+       }
+
+       PRVM_G_FLOAT(OFS_RETURN) = num_tokens;
+}
+
+//float(string s) tokenize = #514; // takes apart a string into individal words (access them with argv), returns how many
+void VM_tokenize_console (void)
+{
+       const char *p;
+
+       VM_SAFEPARMCOUNT(1,VM_tokenize);
+
+       strlcpy(tokenize_string, PRVM_G_STRING(OFS_PARM0), sizeof(tokenize_string));
+       p = tokenize_string;
 
        num_tokens = 0;
-       while(COM_ParseToken_VM_Tokenize(&p, false))
+       for(;;)
        {
                if (num_tokens >= (int)(sizeof(tokens)/sizeof(tokens[0])))
                        break;
-               tokens[num_tokens++] = PRVM_SetTempString(com_token);
+
+               // skip whitespace here to find token start pos
+               while(*p && ISWHITESPACE(*p))
+                       ++p;
+
+               tokens_startpos[num_tokens] = p - tokenize_string;
+               if(!COM_ParseToken_Console(&p))
+                       break;
+               tokens_endpos[num_tokens] = p - tokenize_string;
+               tokens[num_tokens] = PRVM_SetTempString(com_token);
+               ++num_tokens;
        }
 
        PRVM_G_FLOAT(OFS_RETURN) = num_tokens;
@@ -2087,17 +2635,16 @@ void VM_tokenizebyseparator (void)
        int numseparators;
        int separatorlen[7];
        const char *separators[7];
-       const char *p;
+       const char *p, *p0;
        const char *token;
        char tokentext[MAX_INPUTLINE];
-       static char string[VM_STRINGTEMP_LENGTH]; // static, because it's big
 
        VM_SAFEPARMCOUNTRANGE(2, 8,VM_tokenizebyseparator);
 
-       strlcpy(string, PRVM_G_STRING(OFS_PARM0), sizeof(string));
-       p = string;
+       strlcpy(tokenize_string, PRVM_G_STRING(OFS_PARM0), sizeof(tokenize_string));
+       p = tokenize_string;
 
-       numseparators = 0;;
+       numseparators = 0;
        for (j = 1;j < prog->argc;j++)
        {
                // skip any blank separator strings
@@ -2115,6 +2662,8 @@ void VM_tokenizebyseparator (void)
        while (num_tokens < (int)(sizeof(tokens)/sizeof(tokens[0])))
        {
                token = tokentext + j;
+               tokens_startpos[num_tokens] = p - tokenize_string;
+               p0 = p;
                while (*p)
                {
                        for (k = 0;k < numseparators;k++)
@@ -2130,7 +2679,9 @@ void VM_tokenizebyseparator (void)
                        if (j < (int)sizeof(tokentext)-1)
                                tokentext[j++] = *p;
                        p++;
+                       p0 = p;
                }
+               tokens_endpos[num_tokens] = p0 - tokenize_string;
                if (j >= (int)sizeof(tokentext))
                        break;
                tokentext[j++] = 0;
@@ -2152,18 +2703,57 @@ void VM_argv (void)
 
        token_num = (int)PRVM_G_FLOAT(OFS_PARM0);
 
+       if(token_num < 0)
+               token_num += num_tokens;
+
        if (token_num >= 0 && token_num < num_tokens)
                PRVM_G_INT(OFS_RETURN) = tokens[token_num];
        else
                PRVM_G_INT(OFS_RETURN) = OFS_NULL;
 }
 
-/*
-=========
-VM_isserver
+//float(float n) argv_start_index = #515; // returns the start index of a token
+void VM_argv_start_index (void)
+{
+       int token_num;
 
-float  isserver()
-=========
+       VM_SAFEPARMCOUNT(1,VM_argv);
+
+       token_num = (int)PRVM_G_FLOAT(OFS_PARM0);
+
+       if(token_num < 0)
+               token_num += num_tokens;
+
+       if (token_num >= 0 && token_num < num_tokens)
+               PRVM_G_FLOAT(OFS_RETURN) = tokens_startpos[token_num];
+       else
+               PRVM_G_FLOAT(OFS_RETURN) = -1;
+}
+
+//float(float n) argv_end_index = #516; // returns the end index of a token
+void VM_argv_end_index (void)
+{
+       int token_num;
+
+       VM_SAFEPARMCOUNT(1,VM_argv);
+
+       token_num = (int)PRVM_G_FLOAT(OFS_PARM0);
+
+       if(token_num < 0)
+               token_num += num_tokens;
+
+       if (token_num >= 0 && token_num < num_tokens)
+               PRVM_G_FLOAT(OFS_RETURN) = tokens_endpos[token_num];
+       else
+               PRVM_G_FLOAT(OFS_RETURN) = -1;
+}
+
+/*
+=========
+VM_isserver
+
+float  isserver()
+=========
 */
 void VM_isserver(void)
 {
@@ -2197,7 +2787,22 @@ void VM_clientstate(void)
 {
        VM_SAFEPARMCOUNT(0,VM_clientstate);
 
-       PRVM_G_FLOAT(OFS_RETURN) = cls.state;
+
+       switch( cls.state ) {
+               case ca_uninitialized:
+               case ca_dedicated:
+                       PRVM_G_FLOAT(OFS_RETURN) = 0;
+                       break;
+               case ca_disconnected:
+                       PRVM_G_FLOAT(OFS_RETURN) = 1;
+                       break;
+               case ca_connected:
+                       PRVM_G_FLOAT(OFS_RETURN) = 2;
+                       break;
+               default:
+                       // should never be reached!
+                       break;
+       }
 }
 
 /*
@@ -2228,33 +2833,93 @@ void VM_getostype(void)
 
 /*
 =========
-VM_getmousepos
+VM_gettime
 
-vector getmousepos()
+float  gettime(void)
 =========
 */
-void VM_getmousepos(void)
+extern double host_starttime;
+float CDAudio_GetPosition(void);
+void VM_gettime(void)
 {
+       int timer_index;
 
-       VM_SAFEPARMCOUNT(0,VM_getmousepos);
+       VM_SAFEPARMCOUNTRANGE(0,1,VM_gettime);
 
-       PRVM_G_VECTOR(OFS_RETURN)[0] = in_mouse_x * vid_conwidth.integer / vid.width;
-       PRVM_G_VECTOR(OFS_RETURN)[1] = in_mouse_y * vid_conheight.integer / vid.height;
-       PRVM_G_VECTOR(OFS_RETURN)[2] = 0;
+       if(prog->argc == 0)
+       {
+               PRVM_G_FLOAT(OFS_RETURN) = (float) realtime;
+       }
+       else
+       {
+               timer_index = (int) PRVM_G_FLOAT(OFS_PARM0);
+        switch(timer_index)
+        {
+            case 0: // GETTIME_FRAMESTART
+                PRVM_G_FLOAT(OFS_RETURN) = (float) realtime;
+                break;
+            case 1: // GETTIME_REALTIME
+                PRVM_G_FLOAT(OFS_RETURN) = (float) Sys_DoubleTime();
+                break;
+            case 2: // GETTIME_HIRES
+                PRVM_G_FLOAT(OFS_RETURN) = (float) (Sys_DoubleTime() - realtime);
+                break;
+            case 3: // GETTIME_UPTIME
+                PRVM_G_FLOAT(OFS_RETURN) = (float) (Sys_DoubleTime() - host_starttime);
+                break;
+            case 4: // GETTIME_CDTRACK
+                PRVM_G_FLOAT(OFS_RETURN) = (float) CDAudio_GetPosition();
+                break;
+                       default:
+                               VM_Warning("VM_gettime: %s: unsupported timer specified, returning realtime\n", PRVM_NAME);
+                               PRVM_G_FLOAT(OFS_RETURN) = (float) realtime;
+                               break;
+               }
+       }
 }
 
 /*
 =========
-VM_gettime
+VM_getsoundtime
 
-float  gettime(void)
+float  getsoundtime(void)
 =========
 */
-void VM_gettime(void)
+
+void VM_getsoundtime (void)
+{
+       int entnum, entchannel, pnum;
+       VM_SAFEPARMCOUNT(2,VM_getsoundtime);
+
+       pnum = PRVM_GetProgNr();
+       if (pnum == PRVM_MENUPROG)
+       {
+               VM_Warning("VM_getsoundtime: %s: not supported on this progs\n", PRVM_NAME);
+               PRVM_G_FLOAT(OFS_RETURN) = -1;
+               return;
+       }
+       entnum = ((pnum == PRVM_CLIENTPROG) ? MAX_EDICTS : 0) + PRVM_NUM_FOR_EDICT(PRVM_G_EDICT(OFS_PARM0));
+       entchannel = (int)PRVM_G_FLOAT(OFS_PARM1);
+       if (entchannel <= 0 || entchannel > 8)
+               VM_Warning("VM_getsoundtime: %s: bad channel %i\n", PRVM_NAME, entchannel);
+       PRVM_G_FLOAT(OFS_RETURN) = (float)S_GetEntChannelPosition(entnum, entchannel);
+}
+
+/*
+=========
+VM_GetSoundLen
+
+string soundlength (string sample)
+=========
+*/
+void VM_soundlength (void)
 {
-       VM_SAFEPARMCOUNT(0,VM_gettime);
+       const char *s;
 
-       PRVM_G_FLOAT(OFS_RETURN) = (float) realtime;
+       VM_SAFEPARMCOUNT(1, VM_soundlength);
+
+       s = PRVM_G_STRING(OFS_PARM0);
+       PRVM_G_FLOAT(OFS_RETURN) = S_SoundLength(s);
 }
 
 /*
@@ -2406,7 +3071,10 @@ void VM_search_begin(void)
        if(!(prog->opensearches[handle] = FS_Search(pattern,caseinsens, quiet)))
                PRVM_G_FLOAT(OFS_RETURN) = -1;
        else
+       {
+               prog->opensearches_origin[handle] = PRVM_AllocationOrigin();
                PRVM_G_FLOAT(OFS_RETURN) = handle;
+       }
 }
 
 /*
@@ -2436,6 +3104,8 @@ void VM_search_end(void)
 
        FS_FreeSearch(prog->opensearches[handle]);
        prog->opensearches[handle] = NULL;
+       if(prog->opensearches_origin[handle])
+               PRVM_Free((char *)prog->opensearches_origin[handle]);
 }
 
 /*
@@ -2509,6 +3179,7 @@ string    chr(float ascii)
 */
 void VM_chr(void)
 {
+       /*
        char tmp[2];
        VM_SAFEPARMCOUNT(1, VM_chr);
 
@@ -2516,6 +3187,15 @@ void VM_chr(void)
        tmp[1] = 0;
 
        PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(tmp);
+       */
+       
+       char tmp[8];
+       int len;
+       VM_SAFEPARMCOUNT(1, VM_chr);
+
+       len = u8_fromchar((Uchar)PRVM_G_FLOAT(OFS_PARM0), tmp, sizeof(tmp));
+       tmp[len] = 0;
+       PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(tmp);
 }
 
 //=============================================================================
@@ -2554,7 +3234,7 @@ void VM_precache_pic(void)
        VM_CheckEmptyString (s);
 
        // AK Draw_CachePic is supposed to always return a valid pointer
-       if( Draw_CachePic(s, false)->tex == r_texture_notexture )
+       if( Draw_CachePic_Flags(s, CACHEPICFLAG_NOTPERSISTENT)->tex == r_texture_notexture )
                PRVM_G_INT(OFS_RETURN) = OFS_NULL;
 }
 
@@ -2577,14 +3257,29 @@ void VM_freepic(void)
        Draw_FreePic(s);
 }
 
-dp_font_t *getdrawfont()
+void getdrawfontscale(float *sx, float *sy)
+{
+       vec3_t v;
+       *sx = *sy = 1;
+       if(prog->globaloffsets.drawfontscale >= 0)
+       {
+               VectorCopy(PRVM_G_VECTOR(prog->globaloffsets.drawfontscale), v);
+               if(VectorLength2(v) > 0)
+               {
+                       *sx = v[0];
+                       *sy = v[1];
+               }
+       }
+}
+
+dp_font_t *getdrawfont(void)
 {
        if(prog->globaloffsets.drawfont >= 0)
        {
-               int f = PRVM_G_FLOAT(prog->globaloffsets.drawfont);
-               if(f < 0 || f >= MAX_FONTS)
+               int f = (int) PRVM_G_FLOAT(prog->globaloffsets.drawfont);
+               if(f < 0 || f >= dp_fonts.maxsize)
                        return FONT_DEFAULT;
-               return &dp_fonts[f];
+               return &dp_fonts.f[f];
        }
        else
                return FONT_DEFAULT;
@@ -2602,6 +3297,7 @@ void VM_drawcharacter(void)
        float *pos,*scale,*rgb;
        char   character;
        int flag;
+       float sx, sy;
        VM_SAFEPARMCOUNT(6,VM_drawcharacter);
 
        character = (char) PRVM_G_FLOAT(OFS_PARM1);
@@ -2634,7 +3330,8 @@ void VM_drawcharacter(void)
                return;
        }
 
-       DrawQ_String_Font(pos[0], pos[1], &character, 1, scale[0], scale[1], rgb[0], rgb[1], rgb[2], PRVM_G_FLOAT(OFS_PARM4), flag, NULL, true, getdrawfont());
+       getdrawfontscale(&sx, &sy);
+       DrawQ_String_Scale(pos[0], pos[1], &character, 1, scale[0], scale[1], sx, sy, rgb[0], rgb[1], rgb[2], PRVM_G_FLOAT(OFS_PARM4), flag, NULL, true, getdrawfont());
        PRVM_G_FLOAT(OFS_RETURN) = 1;
 }
 
@@ -2650,6 +3347,7 @@ void VM_drawstring(void)
        float *pos,*scale,*rgb;
        const char  *string;
        int flag;
+       float sx, sy;
        VM_SAFEPARMCOUNT(6,VM_drawstring);
 
        string = PRVM_G_STRING(OFS_PARM1);
@@ -2675,7 +3373,9 @@ void VM_drawstring(void)
        if(pos[2] || scale[2])
                Con_Printf("VM_drawstring: z value%s from %s discarded\n",(pos[2] && scale[2]) ? "s" : " ",((pos[2] && scale[2]) ? "pos and scale" : (pos[2] ? "pos" : "scale")));
 
-       DrawQ_String_Font(pos[0], pos[1], string, 0, scale[0], scale[1], rgb[0], rgb[1], rgb[2], PRVM_G_FLOAT(OFS_PARM4), flag, NULL, true, getdrawfont());
+       getdrawfontscale(&sx, &sy);
+       DrawQ_String_Scale(pos[0], pos[1], string, 0, scale[0], scale[1], sx, sy, rgb[0], rgb[1], rgb[2], PRVM_G_FLOAT(OFS_PARM4), flag, NULL, true, getdrawfont());
+       //Font_DrawString(pos[0], pos[1], string, 0, scale[0], scale[1], rgb[0], rgb[1], rgb[2], PRVM_G_FLOAT(OFS_PARM4), flag, NULL, true);
        PRVM_G_FLOAT(OFS_RETURN) = 1;
 }
 
@@ -2690,13 +3390,14 @@ void VM_drawcolorcodedstring(void)
 {
        float *pos,*scale;
        const char  *string;
-       int flag,color;
+       int flag;
+       float sx, sy;
        VM_SAFEPARMCOUNT(5,VM_drawstring);
 
        string = PRVM_G_STRING(OFS_PARM1);
        pos = PRVM_G_VECTOR(OFS_PARM0);
        scale = PRVM_G_VECTOR(OFS_PARM2);
-       flag = (int)PRVM_G_FLOAT(OFS_PARM5);
+       flag = (int)PRVM_G_FLOAT(OFS_PARM4);
 
        if(flag < DRAWFLAG_NORMAL || flag >=DRAWFLAG_NUMFLAGS)
        {
@@ -2715,28 +3416,238 @@ void VM_drawcolorcodedstring(void)
        if(pos[2] || scale[2])
                Con_Printf("VM_drawcolorcodedstring: z value%s from %s discarded\n",(pos[2] && scale[2]) ? "s" : " ",((pos[2] && scale[2]) ? "pos and scale" : (pos[2] ? "pos" : "scale")));
 
-       color = -1;
-       DrawQ_String_Font(pos[0], pos[1], string, 0, scale[0], scale[1], 1, 1, 1, PRVM_G_FLOAT(OFS_PARM3), flag, NULL, false, getdrawfont());
+       getdrawfontscale(&sx, &sy);
+       DrawQ_String_Scale(pos[0], pos[1], string, 0, scale[0], scale[1], sx, sy, 1, 1, 1, PRVM_G_FLOAT(OFS_PARM3), flag, NULL, false, getdrawfont());
        PRVM_G_FLOAT(OFS_RETURN) = 1;
 }
 /*
 =========
 VM_stringwidth
 
-float  stringwidth(string text, float allowColorCodes)
+float  stringwidth(string text, float allowColorCodes, float size)
 =========
 */
 void VM_stringwidth(void)
 {
        const char  *string;
+       float *szv;
+       float mult; // sz is intended font size so we can later add freetype support, mult is font size multiplier in pixels per character cell
        int colors;
-       VM_SAFEPARMCOUNT(2,VM_drawstring);
+       float sx, sy;
+       size_t maxlen = 0;
+       VM_SAFEPARMCOUNTRANGE(2,3,VM_drawstring);
+
+       getdrawfontscale(&sx, &sy);
+       if(prog->argc == 3)
+       {
+               szv = PRVM_G_VECTOR(OFS_PARM2);
+               mult = 1;
+       }
+       else
+       {
+               // we want the width for 8x8 font size, divided by 8
+               static float defsize[] = {8, 8};
+               szv = defsize;
+               mult = 0.125;
+               // to make sure snapping is turned off, ALWAYS use a nontrivial scale in this case
+               if(sx >= 0.9 && sx <= 1.1)
+               {
+                       mult *= 2;
+                       sx /= 2;
+                       sy /= 2;
+               }
+       }
+
+       string = PRVM_G_STRING(OFS_PARM0);
+       colors = (int)PRVM_G_FLOAT(OFS_PARM1);
+
+       PRVM_G_FLOAT(OFS_RETURN) = DrawQ_TextWidth_UntilWidth_TrackColors_Scale(string, &maxlen, szv[0], szv[1], sx, sy, NULL, !colors, getdrawfont(), 1000000000) * mult;
+/*
+       if(prog->argc == 3)
+       {
+               mult = sz = PRVM_G_FLOAT(OFS_PARM2);
+       }
+       else
+       {
+               sz = 8;
+               mult = 1;
+       }
 
        string = PRVM_G_STRING(OFS_PARM0);
        colors = (int)PRVM_G_FLOAT(OFS_PARM1);
 
-       PRVM_G_FLOAT(OFS_RETURN) = DrawQ_TextWidth_Font(string, 0, !colors, getdrawfont()); // 1x1 characters, don't actually draw
+       PRVM_G_FLOAT(OFS_RETURN) = DrawQ_TextWidth(string, 0, !colors, getdrawfont()) * mult; // 1x1 characters, don't actually draw
+*/
+}
+
+/*
+=========
+VM_findfont
+
+float findfont(string s)
+=========
+*/
+
+float getdrawfontnum(const char *fontname)
+{
+       int i;
+
+       for(i = 0; i < dp_fonts.maxsize; ++i)
+               if(!strcmp(dp_fonts.f[i].title, fontname))
+                       return i;
+       return -1;
+}
+
+void VM_findfont(void)
+{
+       VM_SAFEPARMCOUNT(1,VM_findfont);
+       PRVM_G_FLOAT(OFS_RETURN) = getdrawfontnum(PRVM_G_STRING(OFS_PARM0));
+}
+
+/*
+=========
+VM_loadfont
+
+float loadfont(string fontname, string fontmaps, string sizes, float slot)
+=========
+*/
+
+dp_font_t *FindFont(const char *title, qboolean allocate_new);
+void LoadFont(qboolean override, const char *name, dp_font_t *fnt, float scale, float voffset);
+void VM_loadfont(void)
+{
+       const char *fontname, *filelist, *sizes, *c, *cm;
+       char mainfont[MAX_QPATH];
+       int i, numsizes;
+       float sz, scale, voffset;
+       dp_font_t *f;
+
+       VM_SAFEPARMCOUNTRANGE(3,6,VM_loadfont);
+
+       fontname = PRVM_G_STRING(OFS_PARM0);
+       if (!fontname[0])
+               fontname = "default";
+
+       filelist = PRVM_G_STRING(OFS_PARM1);
+       if (!filelist[0])
+               filelist = "gfx/conchars";
+
+       sizes = PRVM_G_STRING(OFS_PARM2);
+       if (!sizes[0])
+               sizes = "10";
+
+       // find a font
+       f = NULL;
+       if (prog->argc >= 4)
+       {
+               i = PRVM_G_FLOAT(OFS_PARM3);
+               if (i >= 0 && i < dp_fonts.maxsize)
+               {
+                       f = &dp_fonts.f[i];
+                       strlcpy(f->title, fontname, sizeof(f->title)); // replace name
+               }
+       }
+       if (!f)
+               f = FindFont(fontname, true);
+       if (!f)
+       {
+               PRVM_G_FLOAT(OFS_RETURN) = -1;
+               return; // something go wrong
+       }
+
+       memset(f->fallbacks, 0, sizeof(f->fallbacks));
+       memset(f->fallback_faces, 0, sizeof(f->fallback_faces));
+
+       // first font is handled "normally"
+       c = strchr(filelist, ':');
+       cm = strchr(filelist, ',');
+       if(c && (!cm || c < cm))
+               f->req_face = atoi(c+1);
+       else
+       {
+               f->req_face = 0;
+               c = cm;
+       }
+       if(!c || (c - filelist) > MAX_QPATH)
+               strlcpy(mainfont, filelist, sizeof(mainfont));
+       else
+       {
+               memcpy(mainfont, filelist, c - filelist);
+               mainfont[c - filelist] = 0;
+       }
+
+       // handle fallbacks
+       for(i = 0; i < MAX_FONT_FALLBACKS; ++i)
+       {
+               c = strchr(filelist, ',');
+               if(!c)
+                       break;
+               filelist = c + 1;
+               if(!*filelist)
+                       break;
+               c = strchr(filelist, ':');
+               cm = strchr(filelist, ',');
+               if(c && (!cm || c < cm))
+                       f->fallback_faces[i] = atoi(c+1);
+               else
+               {
+                       f->fallback_faces[i] = 0; // f->req_face; could make it stick to the default-font's face index
+                       c = cm;
+               }
+               if(!c || (c-filelist) > MAX_QPATH)
+               {
+                       strlcpy(f->fallbacks[i], filelist, sizeof(mainfont));
+               }
+               else
+               {
+                       memcpy(f->fallbacks[i], filelist, c - filelist);
+                       f->fallbacks[i][c - filelist] = 0;
+               }
+       }
+
+       // handle sizes
+       for(i = 0; i < MAX_FONT_SIZES; ++i)
+               f->req_sizes[i] = -1;
+       for (numsizes = 0,c = sizes;;)
+       {
+               if (!COM_ParseToken_VM_Tokenize(&c, 0))
+                       break;
+               sz = atof(com_token);
+               // detect crap size
+               if (sz < 0.001f || sz > 1000.0f)
+               {
+                       VM_Warning("VM_loadfont: crap size %s", com_token);
+                       continue;
+               }
+               // check overflow
+               if (numsizes == MAX_FONT_SIZES)
+               {
+                       VM_Warning("VM_loadfont: MAX_FONT_SIZES = %i exceeded", MAX_FONT_SIZES);
+                       break;
+               }
+               f->req_sizes[numsizes] = sz;
+               numsizes++;
+       }
+
+       // additional scale/hoffset parms
+       scale = 1;
+       voffset = 0;
+       if (prog->argc >= 5)
+       {
+               scale = PRVM_G_FLOAT(OFS_PARM4);
+               if (scale <= 0)
+                       scale = 1;
+       }
+       if (prog->argc >= 6)
+               voffset = PRVM_G_FLOAT(OFS_PARM5);
+
+       // load
+       LoadFont(true, mainfont, f, scale, voffset);
+
+       // return index of loaded font
+       PRVM_G_FLOAT(OFS_RETURN) = (f - dp_fonts.f);
 }
+
 /*
 =========
 VM_drawpic
@@ -2778,7 +3689,52 @@ void VM_drawpic(void)
        if(pos[2] || size[2])
                Con_Printf("VM_drawpic: z value%s from %s discarded\n",(pos[2] && size[2]) ? "s" : " ",((pos[2] && size[2]) ? "pos and size" : (pos[2] ? "pos" : "size")));
 
-       DrawQ_Pic(pos[0], pos[1], Draw_CachePic(picname, true), size[0], size[1], rgb[0], rgb[1], rgb[2], PRVM_G_FLOAT(OFS_PARM4), flag);
+       DrawQ_Pic(pos[0], pos[1], Draw_CachePic (picname), size[0], size[1], rgb[0], rgb[1], rgb[2], PRVM_G_FLOAT(OFS_PARM4), flag);
+       PRVM_G_FLOAT(OFS_RETURN) = 1;
+}
+/*
+=========
+VM_drawrotpic
+
+float  drawrotpic(vector position, string pic, vector size, vector org, float angle, vector rgb, float alpha, float flag)
+=========
+*/
+void VM_drawrotpic(void)
+{
+       const char *picname;
+       float *size, *pos, *org, *rgb;
+       int flag;
+
+       VM_SAFEPARMCOUNT(8,VM_drawrotpic);
+
+       picname = PRVM_G_STRING(OFS_PARM1);
+       VM_CheckEmptyString (picname);
+
+       // is pic cached ? no function yet for that
+       if(!1)
+       {
+               PRVM_G_FLOAT(OFS_RETURN) = -4;
+               VM_Warning("VM_drawrotpic: %s: %s not cached !\n", PRVM_NAME, picname);
+               return;
+       }
+
+       pos = PRVM_G_VECTOR(OFS_PARM0);
+       size = PRVM_G_VECTOR(OFS_PARM2);
+       org = PRVM_G_VECTOR(OFS_PARM3);
+       rgb = PRVM_G_VECTOR(OFS_PARM5);
+       flag = (int) PRVM_G_FLOAT(OFS_PARM7);
+
+       if(flag < DRAWFLAG_NORMAL || flag >=DRAWFLAG_NUMFLAGS)
+       {
+               PRVM_G_FLOAT(OFS_RETURN) = -2;
+               VM_Warning("VM_drawrotpic: %s: wrong DRAWFLAG %i !\n",PRVM_NAME,flag);
+               return;
+       }
+
+       if(pos[2] || size[2] || org[2])
+               Con_Printf("VM_drawrotpic: z value from pos/size/org discarded\n");
+
+       DrawQ_RotPic(pos[0], pos[1], Draw_CachePic(picname), size[0], size[1], org[0], org[1], PRVM_G_FLOAT(OFS_PARM4), rgb[0], rgb[1], rgb[2], PRVM_G_FLOAT(OFS_PARM6), flag);
        PRVM_G_FLOAT(OFS_RETURN) = 1;
 }
 /*
@@ -2826,7 +3782,7 @@ void VM_drawsubpic(void)
        if(pos[2] || size[2])
                Con_Printf("VM_drawsubpic: z value%s from %s discarded\n",(pos[2] && size[2]) ? "s" : " ",((pos[2] && size[2]) ? "pos and size" : (pos[2] ? "pos" : "size")));
 
-       DrawQ_SuperPic(pos[0], pos[1], Draw_CachePic(picname, true),
+       DrawQ_SuperPic(pos[0], pos[1], Draw_CachePic (picname),
                size[0], size[1],
                srcPos[0],              srcPos[1],              rgb[0], rgb[1], rgb[2], alpha,
                srcPos[0] + srcSize[0], srcPos[1],              rgb[0], rgb[1], rgb[2], alpha,
@@ -2921,7 +3877,7 @@ void VM_getimagesize(void)
        p = PRVM_G_STRING(OFS_PARM0);
        VM_CheckEmptyString (p);
 
-       pic = Draw_CachePic (p, false);
+       pic = Draw_CachePic_Flags (p, CACHEPICFLAG_NOTPERSISTENT);
 
        PRVM_G_VECTOR(OFS_RETURN)[0] = pic->width;
        PRVM_G_VECTOR(OFS_RETURN)[1] = pic->height;
@@ -2942,6 +3898,40 @@ void VM_keynumtostring (void)
        PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(Key_KeynumToString((int)PRVM_G_FLOAT(OFS_PARM0)));
 }
 
+/*
+=========
+VM_findkeysforcommand
+
+string findkeysforcommand(string command)
+
+the returned string is an altstring
+=========
+*/
+#define NUMKEYS 5 // TODO: merge the constant in keys.c with this one somewhen
+
+void M_FindKeysForCommand(const char *command, int *keys);
+void VM_findkeysforcommand(void)
+{
+       const char *cmd;
+       char ret[VM_STRINGTEMP_LENGTH];
+       int keys[NUMKEYS];
+       int i;
+
+       VM_SAFEPARMCOUNT(1, VM_findkeysforcommand);
+
+       cmd = PRVM_G_STRING(OFS_PARM0);
+
+       VM_CheckEmptyString(cmd);
+
+       M_FindKeysForCommand(cmd, keys);
+
+       ret[0] = 0;
+       for(i = 0; i < NUMKEYS; i++)
+               strlcat(ret, va(" \'%i\'", keys[i]), sizeof(ret));
+
+       PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(ret);
+}
+
 /*
 =========
 VM_stringtokeynum
@@ -2956,6 +3946,20 @@ void VM_stringtokeynum (void)
        PRVM_G_INT(OFS_RETURN) = Key_StringToKeynum(PRVM_G_STRING(OFS_PARM0));
 }
 
+/*
+=========
+VM_getkeybind
+
+string getkeybind(float key)
+=========
+*/
+const char *Key_GetBind (int key);
+void VM_getkeybind (void)
+{
+       VM_SAFEPARMCOUNT(1, VM_CL_getkeybind);
+       PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(Key_GetBind((int)PRVM_G_FLOAT(OFS_PARM0)));
+}
+
 // CL_Video interface functions
 
 /*
@@ -2978,7 +3982,7 @@ void VM_cin_open( void )
        VM_CheckEmptyString( file );
     VM_CheckEmptyString( name );
 
-       if( CL_OpenVideo( file, name, MENUOWNER ) )
+       if( CL_OpenVideo( file, name, MENUOWNER, "" ) )
                PRVM_G_FLOAT( OFS_RETURN ) = 1;
        else
                PRVM_G_FLOAT( OFS_RETURN ) = 0;
@@ -3128,7 +4132,7 @@ void VM_gecko_create( void ) {
                        return;
        }
 
-       instance = prog->opengeckoinstances[ i ] = CL_Gecko_CreateBrowser( name );
+       instance = prog->opengeckoinstances[ i ] = CL_Gecko_CreateBrowser( name, PRVM_GetProgNr() );
    if( !instance ) {
                // TODO: error handling [12/3/2007 Black]
                PRVM_G_FLOAT( OFS_RETURN ) = 0;
@@ -3228,7 +4232,7 @@ void VM_gecko_keyevent( void ) {
                return;
        }
 
-       PRVM_G_FLOAT( OFS_RETURN ) = (CL_Gecko_Event_Key( instance, key, eventtype ) == true);
+       PRVM_G_FLOAT( OFS_RETURN ) = (CL_Gecko_Event_Key( instance, (keynum_t) key, eventtype ) == true);
 }
 
 /*
@@ -3281,7 +4285,7 @@ void VM_gecko_resize( void ) {
        if( !instance ) {
                return;
        }
-       CL_Gecko_Resize( instance, w, h );
+       CL_Gecko_Resize( instance, (int) w, (int) h );
 }
 
 
@@ -3390,7 +4394,7 @@ void VM_bitshift (void)
        int n1, n2;
        VM_SAFEPARMCOUNT(2, VM_bitshift);
 
-       n1 = (int)fabs((int)PRVM_G_FLOAT(OFS_PARM0));
+       n1 = (int)fabs((float)((int)PRVM_G_FLOAT(OFS_PARM0)));
        n2 = (int)PRVM_G_FLOAT(OFS_PARM1);
        if(!n1)
                PRVM_G_FLOAT(OFS_RETURN) = n1;
@@ -3567,18 +4571,16 @@ string  altstr_ins(string altstr, float num, string set)
 void VM_altstr_ins(void)
 {
        int num;
-       const char *setstr;
        const char *set;
-       const char *instr;
        const char *in;
        char *out;
        char outstr[VM_STRINGTEMP_LENGTH];
 
        VM_SAFEPARMCOUNT(3, VM_altstr_ins);
 
-       in = instr = PRVM_G_STRING( OFS_PARM0 );
+       in = PRVM_G_STRING( OFS_PARM0 );
        num = (int)PRVM_G_FLOAT( OFS_PARM1 );
-       set = setstr = PRVM_G_STRING( OFS_PARM2 );
+       set = PRVM_G_STRING( OFS_PARM2 );
 
        out = outstr;
        for( num = num * 2 + 2 ; *in && num > 0 ; *out++ = *in++ )
@@ -3603,75 +4605,49 @@ void VM_altstr_ins(void)
 // BufString functions
 ////////////////////////////////////////
 //[515]: string buffers support
-#define MAX_QCSTR_BUFFERS 128
-#define MAX_QCSTR_STRINGS 1024
-
-typedef struct
-{
-       int             num_strings;
-       char    *strings[MAX_QCSTR_STRINGS];
-}qcstrbuffer_t;
-
-// FIXME: move stringbuffers to prog_t to allow multiple progs!
-static qcstrbuffer_t   *qcstringbuffers[MAX_QCSTR_BUFFERS];
-static int                             num_qcstringbuffers;
-static int                             buf_sortpower;
 
-#define BUFSTR_BUFFER(a) (a>=MAX_QCSTR_BUFFERS) ? NULL : (qcstringbuffers[a])
-#define BUFSTR_ISFREE(a) (a<MAX_QCSTR_BUFFERS&&qcstringbuffers[a]&&qcstringbuffers[a]->num_strings<=0) ? 1 : 0
+static size_t stringbuffers_sortlength;
 
-static int BufStr_FindFreeBuffer (void)
+static void BufStr_Expand(prvm_stringbuffer_t *stringbuffer, int strindex)
 {
-       int     i;
-       if(num_qcstringbuffers == MAX_QCSTR_BUFFERS)
-               return -1;
-       for(i=0;i<MAX_QCSTR_BUFFERS;i++)
-               if(!qcstringbuffers[i])
-               {
-                       qcstringbuffers[i] = (qcstrbuffer_t *)Z_Malloc(sizeof(qcstrbuffer_t));
-                       memset(qcstringbuffers[i], 0, sizeof(qcstrbuffer_t));
-                       return i;
-               }
-       return -1;
+       if (stringbuffer->max_strings <= strindex)
+       {
+               char **oldstrings = stringbuffer->strings;
+               stringbuffer->max_strings = max(stringbuffer->max_strings * 2, 128);
+               while (stringbuffer->max_strings <= strindex)
+                       stringbuffer->max_strings *= 2;
+               stringbuffer->strings = (char **) Mem_Alloc(prog->progs_mempool, stringbuffer->max_strings * sizeof(stringbuffer->strings[0]));
+               if (stringbuffer->num_strings > 0)
+                       memcpy(stringbuffer->strings, oldstrings, stringbuffer->num_strings * sizeof(stringbuffer->strings[0]));
+               if (oldstrings)
+                       Mem_Free(oldstrings);
+       }
 }
 
-static void BufStr_ClearBuffer (int index)
+static void BufStr_Shrink(prvm_stringbuffer_t *stringbuffer)
 {
-       qcstrbuffer_t   *b = qcstringbuffers[index];
-       int                             i;
+       // reduce num_strings if there are empty string slots at the end
+       while (stringbuffer->num_strings > 0 && stringbuffer->strings[stringbuffer->num_strings - 1] == NULL)
+               stringbuffer->num_strings--;
 
-       if(b)
+       // if empty, free the string pointer array
+       if (stringbuffer->num_strings == 0)
        {
-               if(b->num_strings > 0)
-               {
-                       for(i=0;i<b->num_strings;i++)
-                               if(b->strings[i])
-                                       Z_Free(b->strings[i]);
-                       num_qcstringbuffers--;
-               }
-               Z_Free(qcstringbuffers[index]);
-               qcstringbuffers[index] = NULL;
+               stringbuffer->max_strings = 0;
+               if (stringbuffer->strings)
+                       Mem_Free(stringbuffer->strings);
+               stringbuffer->strings = NULL;
        }
 }
 
-static int BufStr_FindFreeString (qcstrbuffer_t *b)
-{
-       int                             i;
-       for(i=0;i<b->num_strings;i++)
-               if(!b->strings[i] || !b->strings[i][0])
-                       return i;
-       if(i == MAX_QCSTR_STRINGS)      return -1;
-       else                                            return i;
-}
-
 static int BufStr_SortStringsUP (const void *in1, const void *in2)
 {
        const char *a, *b;
        a = *((const char **) in1);
        b = *((const char **) in2);
-       if(!a[0])       return 1;
-       if(!b[0])       return -1;
-       return strncmp(a, b, buf_sortpower);
+       if(!a || !a[0]) return 1;
+       if(!b || !b[0]) return -1;
+       return strncmp(a, b, stringbuffers_sortlength);
 }
 
 static int BufStr_SortStringsDOWN (const void *in1, const void *in2)
@@ -3679,9 +4655,9 @@ static int BufStr_SortStringsDOWN (const void *in1, const void *in2)
        const char *a, *b;
        a = *((const char **) in1);
        b = *((const char **) in2);
-       if(!a[0])       return 1;
-       if(!b[0])       return -1;
-       return strncmp(b, a, buf_sortpower);
+       if(!a || !a[0]) return 1;
+       if(!b || !b[0]) return -1;
+       return strncmp(b, a, stringbuffers_sortlength);
 }
 
 /*
@@ -3689,20 +4665,34 @@ static int BufStr_SortStringsDOWN (const void *in1, const void *in2)
 VM_buf_create
 creates new buffer, and returns it's index, returns -1 if failed
 float buf_create(void) = #460;
+float newbuf(string format, float flags) = #460;
 ========================
 */
+
 void VM_buf_create (void)
 {
+       prvm_stringbuffer_t *stringbuffer;
        int i;
-       VM_SAFEPARMCOUNT(0, VM_buf_create);
-       i = BufStr_FindFreeBuffer();
-       if(i >= 0)
-               num_qcstringbuffers++;
-       //else
-               //Con_Printf("VM_buf_create: buffers overflow in %s\n", PRVM_NAME);
-       PRVM_G_FLOAT(OFS_RETURN) = i;
+       
+       VM_SAFEPARMCOUNTRANGE(0, 2, VM_buf_create);
+
+       // VorteX: optional parm1 (buffer format) is unfinished, to keep intact with future databuffers extension must be set to "string"
+       if(prog->argc >= 1 && strcmp(PRVM_G_STRING(OFS_PARM0), "string"))
+       {
+               PRVM_G_FLOAT(OFS_RETURN) = -1;
+               return;
+       }
+       stringbuffer = (prvm_stringbuffer_t *) Mem_ExpandableArray_AllocRecord(&prog->stringbuffersarray);
+       for (i = 0;stringbuffer != Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, i);i++);
+       stringbuffer->origin = PRVM_AllocationOrigin();
+       // optional flags parm
+       if(prog->argc == 2)
+               stringbuffer->flags = (int)PRVM_G_FLOAT(OFS_PARM1) & 0xFF;
+       PRVM_G_FLOAT(OFS_RETURN) = i;
 }
 
+
+
 /*
 ========================
 VM_buf_del
@@ -3712,9 +4702,21 @@ void buf_del(float bufhandle) = #461;
 */
 void VM_buf_del (void)
 {
+       prvm_stringbuffer_t *stringbuffer;
        VM_SAFEPARMCOUNT(1, VM_buf_del);
-       if(BUFSTR_BUFFER((int)PRVM_G_FLOAT(OFS_PARM0)))
-               BufStr_ClearBuffer((int)PRVM_G_FLOAT(OFS_PARM0));
+       stringbuffer = (prvm_stringbuffer_t *)Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, (int)PRVM_G_FLOAT(OFS_PARM0));
+       if (stringbuffer)
+       {
+               int i;
+               for (i = 0;i < stringbuffer->num_strings;i++)
+                       if (stringbuffer->strings[i])
+                               Mem_Free(stringbuffer->strings[i]);
+               if (stringbuffer->strings)
+                       Mem_Free(stringbuffer->strings);
+               if(stringbuffer->origin)
+                       PRVM_Free((char *)stringbuffer->origin);
+               Mem_ExpandableArray_FreeRecord(&prog->stringbuffersarray, stringbuffer);
+       }
        else
        {
                VM_Warning("VM_buf_del: invalid buffer %i used in %s\n", (int)PRVM_G_FLOAT(OFS_PARM0), PRVM_NAME);
@@ -3731,18 +4733,18 @@ float buf_getsize(float bufhandle) = #462;
 */
 void VM_buf_getsize (void)
 {
-       qcstrbuffer_t   *b;
+       prvm_stringbuffer_t *stringbuffer;
        VM_SAFEPARMCOUNT(1, VM_buf_getsize);
 
-       b = BUFSTR_BUFFER((int)PRVM_G_FLOAT(OFS_PARM0));
-       if(!b)
+       stringbuffer = (prvm_stringbuffer_t *)Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, (int)PRVM_G_FLOAT(OFS_PARM0));
+       if(!stringbuffer)
        {
                PRVM_G_FLOAT(OFS_RETURN) = -1;
                VM_Warning("VM_buf_getsize: invalid buffer %i used in %s\n", (int)PRVM_G_FLOAT(OFS_PARM0), PRVM_NAME);
                return;
        }
        else
-               PRVM_G_FLOAT(OFS_RETURN) = b->num_strings;
+               PRVM_G_FLOAT(OFS_RETURN) = stringbuffer->num_strings;
 }
 
 /*
@@ -3754,12 +4756,12 @@ void buf_copy(float bufhandle_from, float bufhandle_to) = #463;
 */
 void VM_buf_copy (void)
 {
-       qcstrbuffer_t   *b1, *b2;
-       int                             i;
+       prvm_stringbuffer_t *srcstringbuffer, *dststringbuffer;
+       int i;
        VM_SAFEPARMCOUNT(2, VM_buf_copy);
 
-       b1 = BUFSTR_BUFFER((int)PRVM_G_FLOAT(OFS_PARM0));
-       if(!b1)
+       srcstringbuffer = (prvm_stringbuffer_t *)Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, (int)PRVM_G_FLOAT(OFS_PARM0));
+       if(!srcstringbuffer)
        {
                VM_Warning("VM_buf_copy: invalid source buffer %i used in %s\n", (int)PRVM_G_FLOAT(OFS_PARM0), PRVM_NAME);
                return;
@@ -3770,31 +4772,32 @@ void VM_buf_copy (void)
                VM_Warning("VM_buf_copy: source == destination (%i) in %s\n", i, PRVM_NAME);
                return;
        }
-       b2 = BUFSTR_BUFFER(i);
-       if(!b2)
+       dststringbuffer = (prvm_stringbuffer_t *)Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, (int)PRVM_G_FLOAT(OFS_PARM0));
+       if(!dststringbuffer)
        {
                VM_Warning("VM_buf_copy: invalid destination buffer %i used in %s\n", (int)PRVM_G_FLOAT(OFS_PARM1), PRVM_NAME);
                return;
        }
 
-       BufStr_ClearBuffer(i);
-       qcstringbuffers[i] = (qcstrbuffer_t *)Z_Malloc(sizeof(qcstrbuffer_t));
-       memset(qcstringbuffers[i], 0, sizeof(qcstrbuffer_t));
-       b2->num_strings = b1->num_strings;
+       for (i = 0;i < dststringbuffer->num_strings;i++)
+               if (dststringbuffer->strings[i])
+                       Mem_Free(dststringbuffer->strings[i]);
+       if (dststringbuffer->strings)
+               Mem_Free(dststringbuffer->strings);
+       *dststringbuffer = *srcstringbuffer;
+       if (dststringbuffer->max_strings)
+               dststringbuffer->strings = (char **)Mem_Alloc(prog->progs_mempool, sizeof(dststringbuffer->strings[0]) * dststringbuffer->max_strings);
 
-       for(i=0;i<b1->num_strings;i++)
-               if(b1->strings[i] && b1->strings[i][0])
+       for (i = 0;i < dststringbuffer->num_strings;i++)
+       {
+               if (srcstringbuffer->strings[i])
                {
                        size_t stringlen;
-                       stringlen = strlen(b1->strings[i]) + 1;
-                       b2->strings[i] = (char *)Z_Malloc(stringlen);
-                       if(!b2->strings[i])
-                       {
-                               VM_Warning("VM_buf_copy: not enough memory for buffer %i used in %s\n", (int)PRVM_G_FLOAT(OFS_PARM1), PRVM_NAME);
-                               break;
-                       }
-                       memcpy(b2->strings[i], b1->strings[i], stringlen);
+                       stringlen = strlen(srcstringbuffer->strings[i]) + 1;
+                       dststringbuffer->strings[i] = (char *)Mem_Alloc(prog->progs_mempool, stringlen);
+                       memcpy(dststringbuffer->strings[i], srcstringbuffer->strings[i], stringlen);
                }
+       }
 }
 
 /*
@@ -3807,45 +4810,30 @@ void buf_sort(float bufhandle, float cmplength, float backward) = #464;
 */
 void VM_buf_sort (void)
 {
-       qcstrbuffer_t   *b;
-       int                             i;
+       prvm_stringbuffer_t *stringbuffer;
        VM_SAFEPARMCOUNT(3, VM_buf_sort);
 
-       b = BUFSTR_BUFFER((int)PRVM_G_FLOAT(OFS_PARM0));
-       if(!b)
+       stringbuffer = (prvm_stringbuffer_t *)Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, (int)PRVM_G_FLOAT(OFS_PARM0));
+       if(!stringbuffer)
        {
                VM_Warning("VM_buf_sort: invalid buffer %i used in %s\n", (int)PRVM_G_FLOAT(OFS_PARM0), PRVM_NAME);
                return;
        }
-       if(b->num_strings <= 0)
+       if(stringbuffer->num_strings <= 0)
        {
                VM_Warning("VM_buf_sort: tried to sort empty buffer %i in %s\n", (int)PRVM_G_FLOAT(OFS_PARM0), PRVM_NAME);
                return;
        }
-       // TODO: please someone rename this to buf_cmplength [12/3/2007 Black]
-       buf_sortpower = (int)PRVM_G_FLOAT(OFS_PARM1);
-       if(buf_sortpower <= 0)
-               buf_sortpower = 99999999;
+       stringbuffers_sortlength = (int)PRVM_G_FLOAT(OFS_PARM1);
+       if(stringbuffers_sortlength <= 0)
+               stringbuffers_sortlength = 0x7FFFFFFF;
 
        if(!PRVM_G_FLOAT(OFS_PARM2))
-               qsort(b->strings, b->num_strings, sizeof(char*), BufStr_SortStringsUP);
+               qsort(stringbuffer->strings, stringbuffer->num_strings, sizeof(char*), BufStr_SortStringsUP);
        else
-               qsort(b->strings, b->num_strings, sizeof(char*), BufStr_SortStringsDOWN);
+               qsort(stringbuffer->strings, stringbuffer->num_strings, sizeof(char*), BufStr_SortStringsDOWN);
 
-       for(i=b->num_strings-1;i>=0;i--)        //[515]: delete empty lines
-               if(b->strings)
-               {
-                       if(b->strings[i][0])
-                               break;
-                       else
-                       {
-                               Z_Free(b->strings[i]);
-                               --b->num_strings;
-                               b->strings[i] = NULL;
-                       }
-               }
-               else
-                       --b->num_strings;
+       BufStr_Shrink(stringbuffer);
 }
 
 /*
@@ -3857,33 +4845,35 @@ string buf_implode(float bufhandle, string glue) = #465;
 */
 void VM_buf_implode (void)
 {
-       qcstrbuffer_t   *b;
+       prvm_stringbuffer_t *stringbuffer;
        char                    k[VM_STRINGTEMP_LENGTH];
        const char              *sep;
        int                             i;
        size_t                  l;
        VM_SAFEPARMCOUNT(2, VM_buf_implode);
 
-       b = BUFSTR_BUFFER((int)PRVM_G_FLOAT(OFS_PARM0));
+       stringbuffer = (prvm_stringbuffer_t *)Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, (int)PRVM_G_FLOAT(OFS_PARM0));
        PRVM_G_INT(OFS_RETURN) = OFS_NULL;
-       if(!b)
+       if(!stringbuffer)
        {
                VM_Warning("VM_buf_implode: invalid buffer %i used in %s\n", (int)PRVM_G_FLOAT(OFS_PARM0), PRVM_NAME);
                return;
        }
-       if(!b->num_strings)
+       if(!stringbuffer->num_strings)
                return;
        sep = PRVM_G_STRING(OFS_PARM1);
        k[0] = 0;
-       for(l=i=0;i<b->num_strings;i++)
-               if(b->strings[i])
+       for(l = i = 0;i < stringbuffer->num_strings;i++)
+       {
+               if(stringbuffer->strings[i])
                {
-                       l += (i > 0 ? strlen(sep) : 0) + strlen(b->strings[i]);
+                       l += (i > 0 ? strlen(sep) : 0) + strlen(stringbuffer->strings[i]);
                        if (l >= sizeof(k) - 1)
                                break;
                        strlcat(k, sep, sizeof(k));
-                       strlcat(k, b->strings[i], sizeof(k));
+                       strlcat(k, stringbuffer->strings[i], sizeof(k));
                }
+       }
        PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(k);
 }
 
@@ -3896,27 +4886,25 @@ string bufstr_get(float bufhandle, float string_index) = #465;
 */
 void VM_bufstr_get (void)
 {
-       qcstrbuffer_t   *b;
+       prvm_stringbuffer_t *stringbuffer;
        int                             strindex;
        VM_SAFEPARMCOUNT(2, VM_bufstr_get);
 
        PRVM_G_INT(OFS_RETURN) = OFS_NULL;
-       b = BUFSTR_BUFFER((int)PRVM_G_FLOAT(OFS_PARM0));
-       if(!b)
+       stringbuffer = (prvm_stringbuffer_t *)Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, (int)PRVM_G_FLOAT(OFS_PARM0));
+       if(!stringbuffer)
        {
                VM_Warning("VM_bufstr_get: invalid buffer %i used in %s\n", (int)PRVM_G_FLOAT(OFS_PARM0), PRVM_NAME);
                return;
        }
        strindex = (int)PRVM_G_FLOAT(OFS_PARM1);
-       if(strindex < 0 || strindex > MAX_QCSTR_STRINGS)
+       if (strindex < 0)
        {
                VM_Warning("VM_bufstr_get: invalid string index %i used in %s\n", strindex, PRVM_NAME);
                return;
        }
-       if(b->num_strings <= strindex)
-               return;
-       if(b->strings[strindex])
-               PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(b->strings[strindex]);
+       if (strindex < stringbuffer->num_strings && stringbuffer->strings[strindex])
+               PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(stringbuffer->strings[strindex]);
 }
 
 /*
@@ -3928,88 +4916,90 @@ void bufstr_set(float bufhandle, float string_index, string str) = #466;
 */
 void VM_bufstr_set (void)
 {
-       int                             bufindex, strindex;
-       qcstrbuffer_t   *b;
+       size_t alloclen;
+       int                             strindex;
+       prvm_stringbuffer_t *stringbuffer;
        const char              *news;
-       size_t                  alloclen;
 
        VM_SAFEPARMCOUNT(3, VM_bufstr_set);
 
-       bufindex = (int)PRVM_G_FLOAT(OFS_PARM0);
-       b = BUFSTR_BUFFER(bufindex);
-       if(!b)
+       stringbuffer = (prvm_stringbuffer_t *)Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, (int)PRVM_G_FLOAT(OFS_PARM0));
+       if(!stringbuffer)
        {
-               VM_Warning("VM_bufstr_set: invalid buffer %i used in %s\n", bufindex, PRVM_NAME);
+               VM_Warning("VM_bufstr_set: invalid buffer %i used in %s\n", (int)PRVM_G_FLOAT(OFS_PARM0), PRVM_NAME);
                return;
        }
        strindex = (int)PRVM_G_FLOAT(OFS_PARM1);
-       if(strindex < 0 || strindex > MAX_QCSTR_STRINGS)
+       if(strindex < 0 || strindex >= 1000000) // huge number of strings
        {
                VM_Warning("VM_bufstr_set: invalid string index %i used in %s\n", strindex, PRVM_NAME);
                return;
        }
-       news = PRVM_G_STRING(OFS_PARM2);
-       if(b->strings[strindex])
-               Z_Free(b->strings[strindex]);
-       alloclen = strlen(news) + 1;
-       b->strings[strindex] = (char *)Z_Malloc(alloclen);
-       memcpy(b->strings[strindex], news, alloclen);
+
+       BufStr_Expand(stringbuffer, strindex);
+       stringbuffer->num_strings = max(stringbuffer->num_strings, strindex + 1);
+
+       if(stringbuffer->strings[strindex])
+               Mem_Free(stringbuffer->strings[strindex]);
+       stringbuffer->strings[strindex] = NULL;
+
+       if(PRVM_G_INT(OFS_PARM2))
+       {
+               // not the NULL string!
+               news = PRVM_G_STRING(OFS_PARM2);
+               alloclen = strlen(news) + 1;
+               stringbuffer->strings[strindex] = (char *)Mem_Alloc(prog->progs_mempool, alloclen);
+               memcpy(stringbuffer->strings[strindex], news, alloclen);
+       }
+
+       BufStr_Shrink(stringbuffer);
 }
 
 /*
 ========================
 VM_bufstr_add
-adds string to buffer in nearest free slot and returns it
+adds string to buffer in first free slot and returns its index
 "order == TRUE" means that string will be added after last "full" slot
 float bufstr_add(float bufhandle, string str, float order) = #467;
 ========================
 */
 void VM_bufstr_add (void)
 {
-       int                             bufindex, order, strindex;
-       qcstrbuffer_t   *b;
+       int                             order, strindex;
+       prvm_stringbuffer_t *stringbuffer;
        const char              *string;
        size_t                  alloclen;
 
        VM_SAFEPARMCOUNT(3, VM_bufstr_add);
 
-       bufindex = (int)PRVM_G_FLOAT(OFS_PARM0);
-       b = BUFSTR_BUFFER(bufindex);
+       stringbuffer = (prvm_stringbuffer_t *)Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, (int)PRVM_G_FLOAT(OFS_PARM0));
        PRVM_G_FLOAT(OFS_RETURN) = -1;
-       if(!b)
+       if(!stringbuffer)
        {
-               VM_Warning("VM_bufstr_add: invalid buffer %i used in %s\n", bufindex, PRVM_NAME);
+               VM_Warning("VM_bufstr_add: invalid buffer %i used in %s\n", (int)PRVM_G_FLOAT(OFS_PARM0), PRVM_NAME);
+               return;
+       }
+       if(!PRVM_G_INT(OFS_PARM1)) // NULL string
+       {
+               VM_Warning("VM_bufstr_add: can not add an empty string to buffer %i in %s\n", (int)PRVM_G_FLOAT(OFS_PARM0), PRVM_NAME);
                return;
        }
        string = PRVM_G_STRING(OFS_PARM1);
        order = (int)PRVM_G_FLOAT(OFS_PARM2);
        if(order)
-               strindex = b->num_strings;
+               strindex = stringbuffer->num_strings;
        else
-       {
-               strindex = BufStr_FindFreeString(b);
-               if(strindex < 0)
-               {
-                       VM_Warning("VM_bufstr_add: buffer %i has no free string slots in %s\n", bufindex, PRVM_NAME);
-                       return;
-               }
-       }
+               for (strindex = 0;strindex < stringbuffer->num_strings;strindex++)
+                       if (stringbuffer->strings[strindex] == NULL)
+                               break;
 
-       while(b->num_strings <= strindex)
-       {
-               if(b->num_strings == MAX_QCSTR_STRINGS)
-               {
-                       VM_Warning("VM_bufstr_add: buffer %i has no free string slots in %s\n", bufindex, PRVM_NAME);
-                       return;
-               }
-               b->strings[b->num_strings] = NULL;
-               b->num_strings++;
-       }
-       if(b->strings[strindex])
-               Z_Free(b->strings[strindex]);
+       BufStr_Expand(stringbuffer, strindex);
+
+       stringbuffer->num_strings = max(stringbuffer->num_strings, strindex + 1);
        alloclen = strlen(string) + 1;
-       b->strings[strindex] = (char *)Z_Malloc(alloclen);
-       memcpy(b->strings[strindex], string, alloclen);
+       stringbuffer->strings[strindex] = (char *)Mem_Alloc(prog->progs_mempool, alloclen);
+       memcpy(stringbuffer->strings[strindex], string, alloclen);
+
        PRVM_G_FLOAT(OFS_RETURN) = strindex;
 }
 
@@ -4023,28 +5013,117 @@ void bufstr_free(float bufhandle, float string_index) = #468;
 void VM_bufstr_free (void)
 {
        int                             i;
-       qcstrbuffer_t   *b;
+       prvm_stringbuffer_t     *stringbuffer;
        VM_SAFEPARMCOUNT(2, VM_bufstr_free);
 
-       b = BUFSTR_BUFFER((int)PRVM_G_FLOAT(OFS_PARM0));
-       if(!b)
+       stringbuffer = (prvm_stringbuffer_t *)Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, (int)PRVM_G_FLOAT(OFS_PARM0));
+       if(!stringbuffer)
        {
                VM_Warning("VM_bufstr_free: invalid buffer %i used in %s\n", (int)PRVM_G_FLOAT(OFS_PARM0), PRVM_NAME);
                return;
        }
        i = (int)PRVM_G_FLOAT(OFS_PARM1);
-       if(i < 0 || i > MAX_QCSTR_STRINGS)
+       if(i < 0)
        {
                VM_Warning("VM_bufstr_free: invalid string index %i used in %s\n", i, PRVM_NAME);
                return;
        }
-       if(b->strings[i])
-               Z_Free(b->strings[i]);
-       b->strings[i] = NULL;
-       if(i+1 == b->num_strings)
-               --b->num_strings;
+
+       if (i < stringbuffer->num_strings)
+       {
+               if(stringbuffer->strings[i])
+                       Mem_Free(stringbuffer->strings[i]);
+               stringbuffer->strings[i] = NULL;
+       }
+
+       BufStr_Shrink(stringbuffer);
+}
+
+
+
+
+
+
+
+void VM_buf_cvarlist(void)
+{
+       cvar_t *cvar;
+       const char *partial, *antipartial;
+       size_t len, antilen;
+       size_t alloclen;
+       qboolean ispattern, antiispattern;
+       int n;
+       prvm_stringbuffer_t     *stringbuffer;
+       VM_SAFEPARMCOUNTRANGE(2, 3, VM_buf_cvarlist);
+
+       stringbuffer = (prvm_stringbuffer_t *)Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, (int)PRVM_G_FLOAT(OFS_PARM0));
+       if(!stringbuffer)
+       {
+               VM_Warning("VM_bufstr_free: invalid buffer %i used in %s\n", (int)PRVM_G_FLOAT(OFS_PARM0), PRVM_NAME);
+               return;
+       }
+
+       partial = PRVM_G_STRING(OFS_PARM1);
+       if(!partial)
+               len = 0;
+       else
+               len = strlen(partial);
+
+       if(prog->argc == 3)
+               antipartial = PRVM_G_STRING(OFS_PARM2);
+       else
+               antipartial = NULL;
+       if(!antipartial)
+               antilen = 0;
+       else
+               antilen = strlen(antipartial);
+       
+       for (n = 0;n < stringbuffer->num_strings;n++)
+               if (stringbuffer->strings[n])
+                       Mem_Free(stringbuffer->strings[n]);
+       if (stringbuffer->strings)
+               Mem_Free(stringbuffer->strings);
+       stringbuffer->strings = NULL;
+
+       ispattern = partial && (strchr(partial, '*') || strchr(partial, '?'));
+       antiispattern = antipartial && (strchr(antipartial, '*') || strchr(antipartial, '?'));
+
+       n = 0;
+       for(cvar = cvar_vars; cvar; cvar = cvar->next)
+       {
+               if(len && (ispattern ? !matchpattern_with_separator(cvar->name, partial, false, "", false) : strncmp(partial, cvar->name, len)))
+                       continue;
+
+               if(antilen && (antiispattern ? matchpattern_with_separator(cvar->name, antipartial, false, "", false) : !strncmp(antipartial, cvar->name, antilen)))
+                       continue;
+
+               ++n;
+       }
+
+       stringbuffer->max_strings = stringbuffer->num_strings = n;
+       if (stringbuffer->max_strings)
+               stringbuffer->strings = (char **)Mem_Alloc(prog->progs_mempool, sizeof(stringbuffer->strings[0]) * stringbuffer->max_strings);
+       
+       n = 0;
+       for(cvar = cvar_vars; cvar; cvar = cvar->next)
+       {
+               if(len && (ispattern ? !matchpattern_with_separator(cvar->name, partial, false, "", false) : strncmp(partial, cvar->name, len)))
+                       continue;
+
+               if(antilen && (antiispattern ? matchpattern_with_separator(cvar->name, antipartial, false, "", false) : !strncmp(antipartial, cvar->name, antilen)))
+                       continue;
+
+               alloclen = strlen(cvar->name) + 1;
+               stringbuffer->strings[n] = (char *)Mem_Alloc(prog->progs_mempool, alloclen);
+               memcpy(stringbuffer->strings[n], cvar->name, alloclen);
+
+               ++n;
+       }
 }
 
+
+
+
 //=============
 
 /*
@@ -4169,50 +5248,18 @@ void VM_changepitch (void)
        PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.angles)->vector[0] = ANGLEMOD (current + move);
 }
 
-// TODO: adapt all static function names to use a single naming convention... [12/3/2007 Black]
-static int Is_Text_Color (char c, char t)
-{
-       int a = 0;
-       char c2 = c - (c & 128);
-       char t2 = t - (t & 128);
-
-       if(c != STRING_COLOR_TAG && c2 != STRING_COLOR_TAG)             return 0;
-       if(t >= '0' && t <= '9')                a = 1;
-       if(t2 >= '0' && t2 <= '9')              a = 1;
-/*     if(t >= 'A' && t <= 'Z')                a = 2;
-       if(t2 >= 'A' && t2 <= 'Z')              a = 2;
-
-       if(a == 1 && scr_colortext.integer > 0)
-               return 1;
-       if(a == 2 && scr_multifonts.integer > 0)
-               return 2;
-*/
-       return a;
-}
 
 void VM_uncolorstring (void)
 {
-       const char      *in;
-       char            out[VM_STRINGTEMP_LENGTH];
-       int                     k = 0, i = 0;
+       char szNewString[VM_STRINGTEMP_LENGTH];
+       const char *szString;
 
+       // Prepare Strings
        VM_SAFEPARMCOUNT(1, VM_uncolorstring);
-       in = PRVM_G_STRING(OFS_PARM0);
-       VM_CheckEmptyString (in);
-
-       while (in[k])
-       {
-               if(in[k+1])
-               if(Is_Text_Color(in[k], in[k+1]) == 1/* || (in[k] == '&' && in[k+1] == 'r')*/)
-               {
-                       k += 2;
-                       continue;
-               }
-               out[i] = in[k];
-               ++k;
-               ++i;
-       }
-       PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(out);
+       szString = PRVM_G_STRING(OFS_PARM0);
+       COM_StringDecolorize(szString, 0, szNewString, sizeof(szNewString), TRUE);
+       PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(szNewString);
+       
 }
 
 // #221 float(string str, string sub[, float startpos]) strstrofs (FTE_STRINGS)
@@ -4224,7 +5271,8 @@ void VM_strstrofs (void)
        VM_SAFEPARMCOUNTRANGE(2, 3, VM_strstrofs);
        instr = PRVM_G_STRING(OFS_PARM0);
        match = PRVM_G_STRING(OFS_PARM1);
-       firstofs = (prog->argc > 2)?PRVM_G_FLOAT(OFS_PARM2):0;
+       firstofs = (prog->argc > 2)?(int)PRVM_G_FLOAT(OFS_PARM2):0;
+       firstofs = u8_bytelen(instr, firstofs);
 
        if (firstofs && (firstofs < 0 || firstofs > (int)strlen(instr)))
        {
@@ -4236,17 +5284,27 @@ void VM_strstrofs (void)
        if (!match)
                PRVM_G_FLOAT(OFS_RETURN) = -1;
        else
-               PRVM_G_FLOAT(OFS_RETURN) = match - instr;
+               PRVM_G_FLOAT(OFS_RETURN) = u8_strnlen(instr, match-instr);
 }
 
 //#222 string(string s, float index) str2chr (FTE_STRINGS)
 void VM_str2chr (void)
 {
        const char *s;
+       Uchar ch;
+       int index;
        VM_SAFEPARMCOUNT(2, VM_str2chr);
        s = PRVM_G_STRING(OFS_PARM0);
-       if((unsigned)PRVM_G_FLOAT(OFS_PARM1) < strlen(s))
-               PRVM_G_FLOAT(OFS_RETURN) = (unsigned char)s[(unsigned)PRVM_G_FLOAT(OFS_PARM1)];
+       index = u8_bytelen(s, (int)PRVM_G_FLOAT(OFS_PARM1));
+
+       if((unsigned)index < strlen(s))
+       {
+               if (utf8_enable.integer)
+                       ch = u8_getchar_noendptr(s + index);
+               else
+                       ch = (unsigned char)s[index];
+               PRVM_G_FLOAT(OFS_RETURN) = ch;
+       }
        else
                PRVM_G_FLOAT(OFS_RETURN) = 0;
 }
@@ -4254,6 +5312,7 @@ void VM_str2chr (void)
 //#223 string(float c, ...) chr2str (FTE_STRINGS)
 void VM_chr2str (void)
 {
+       /*
        char    t[9];
        int             i;
        VM_SAFEPARMCOUNTRANGE(0, 8, VM_chr2str);
@@ -4261,6 +5320,15 @@ void VM_chr2str (void)
                t[i] = (unsigned char)PRVM_G_FLOAT(OFS_PARM0+i*3);
        t[i] = 0;
        PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(t);
+       */
+       char t[9 * 4 + 1];
+       int i;
+       size_t len = 0;
+       VM_SAFEPARMCOUNTRANGE(0, 8, VM_chr2str);
+       for(i = 0; i < prog->argc && len < sizeof(t)-1; ++i)
+               len += u8_fromchar((Uchar)PRVM_G_FLOAT(OFS_PARM0+i*3), t + len, sizeof(t)-1);
+       t[len] = 0;
+       PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(t);
 }
 
 static int chrconv_number(int i, int base, int conv)
@@ -4353,9 +5421,9 @@ void VM_strconv (void)
 
        VM_SAFEPARMCOUNTRANGE(3, 8, VM_strconv);
 
-       ccase = PRVM_G_FLOAT(OFS_PARM0);        //0 same, 1 lower, 2 upper
-       redalpha = PRVM_G_FLOAT(OFS_PARM1);     //0 same, 1 white, 2 red,  5 alternate, 6 alternate-alternate
-       rednum = PRVM_G_FLOAT(OFS_PARM2);       //0 same, 1 white, 2 red, 3 redspecial, 4 whitespecial, 5 alternate, 6 alternate-alternate
+       ccase = (int) PRVM_G_FLOAT(OFS_PARM0);  //0 same, 1 lower, 2 upper
+       redalpha = (int) PRVM_G_FLOAT(OFS_PARM1);       //0 same, 1 white, 2 red,  5 alternate, 6 alternate-alternate
+       rednum = (int) PRVM_G_FLOAT(OFS_PARM2); //0 same, 1 white, 2 red, 3 redspecial, 4 whitespecial, 5 alternate, 6 alternate-alternate
        VM_VarString(3, (char *) resbuf, sizeof(resbuf));
        len = strlen((char *) resbuf);
 
@@ -4398,7 +5466,7 @@ void VM_strpad (void)
        char destbuf[VM_STRINGTEMP_LENGTH];
        int pad;
        VM_SAFEPARMCOUNTRANGE(1, 8, VM_strpad);
-       pad = PRVM_G_FLOAT(OFS_PARM0);
+       pad = (int) PRVM_G_FLOAT(OFS_PARM0);
        VM_VarString(1, src, sizeof(src));
 
        // note: < 0 = left padding, > 0 = right padding,
@@ -4481,6 +5549,17 @@ void VM_strncasecmp (void)
        }
 }
 
+// #494 float(float caseinsensitive, string s, ...) crc16
+void VM_crc16(void)
+{
+       float insensitive;
+       static char s[VM_STRINGTEMP_LENGTH];
+       VM_SAFEPARMCOUNTRANGE(2, 8, VM_hash);
+       insensitive = PRVM_G_FLOAT(OFS_PARM0);
+       VM_VarString(1, s, sizeof(s));
+       PRVM_G_FLOAT(OFS_RETURN) = (unsigned short) ((insensitive ? CRC_Block_CaseInsensitive : CRC_Block) ((unsigned char *) s, strlen(s)));
+}
+
 void VM_wasfreed (void)
 {
        VM_SAFEPARMCOUNT(1, VM_wasfreed);
@@ -4518,6 +5597,38 @@ void VM_SetTraceGlobals(const trace_t *trace)
                val->string = trace->hittexture ? PRVM_SetTempString(trace->hittexture->name) : 0;
 }
 
+void VM_ClearTraceGlobals(void)
+{
+       // clean up all trace globals when leaving the VM (anti-triggerbot safeguard)
+       prvm_eval_t *val;
+       if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.trace_allsolid)))
+               val->_float = 0;
+       if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.trace_startsolid)))
+               val->_float = 0;
+       if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.trace_fraction)))
+               val->_float = 0;
+       if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.trace_inwater)))
+               val->_float = 0;
+       if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.trace_inopen)))
+               val->_float = 0;
+       if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.trace_endpos)))
+               VectorClear(val->vector);
+       if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.trace_plane_normal)))
+               VectorClear(val->vector);
+       if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.trace_plane_dist)))
+               val->_float = 0;
+       if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.trace_ent)))
+               val->edict = PRVM_EDICT_TO_PROG(prog->edicts);
+       if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.trace_dpstartcontents)))
+               val->_float = 0;
+       if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.trace_dphitcontents)))
+               val->_float = 0;
+       if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.trace_dphitq3surfaceflags)))
+               val->_float = 0;
+       if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.trace_dphittexturename)))
+               val->string = 0;
+}
+
 //=============
 
 void VM_Cmd_Init(void)
@@ -4538,3 +5649,1023 @@ void VM_Cmd_Reset(void)
 //     VM_BufStr_ShutDown();
 }
 
+// #510 string(string input, ...) uri_escape (DP_QC_URI_ESCAPE)
+// does URI escaping on a string (replace evil stuff by %AB escapes)
+void VM_uri_escape (void)
+{
+       char src[VM_STRINGTEMP_LENGTH];
+       char dest[VM_STRINGTEMP_LENGTH];
+       char *p, *q;
+       static const char *hex = "0123456789ABCDEF";
+
+       VM_SAFEPARMCOUNTRANGE(1, 8, VM_uri_escape);
+       VM_VarString(0, src, sizeof(src));
+
+       for(p = src, q = dest; *p && q < dest + sizeof(dest) - 3; ++p)
+       {
+               if((*p >= 'A' && *p <= 'Z')
+                       || (*p >= 'a' && *p <= 'z')
+                       || (*p >= '0' && *p <= '9')
+                       || (*p == '-')  || (*p == '_') || (*p == '.')
+                       || (*p == '!')  || (*p == '~')
+                       || (*p == '\'') || (*p == '(') || (*p == ')'))
+                       *q++ = *p;
+               else
+               {
+                       *q++ = '%';
+                       *q++ = hex[(*(unsigned char *)p >> 4) & 0xF];
+                       *q++ = hex[ *(unsigned char *)p       & 0xF];
+               }
+       }
+       *q++ = 0;
+
+       PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(dest);
+}
+
+// #510 string(string input, ...) uri_unescape (DP_QC_URI_ESCAPE)
+// does URI unescaping on a string (get back the evil stuff)
+void VM_uri_unescape (void)
+{
+       char src[VM_STRINGTEMP_LENGTH];
+       char dest[VM_STRINGTEMP_LENGTH];
+       char *p, *q;
+       int hi, lo;
+
+       VM_SAFEPARMCOUNTRANGE(1, 8, VM_uri_unescape);
+       VM_VarString(0, src, sizeof(src));
+
+       for(p = src, q = dest; *p; ) // no need to check size, because unescape can't expand
+       {
+               if(*p == '%')
+               {
+                       if(p[1] >= '0' && p[1] <= '9')
+                               hi = p[1] - '0';
+                       else if(p[1] >= 'a' && p[1] <= 'f')
+                               hi = p[1] - 'a' + 10;
+                       else if(p[1] >= 'A' && p[1] <= 'F')
+                               hi = p[1] - 'A' + 10;
+                       else
+                               goto nohex;
+                       if(p[2] >= '0' && p[2] <= '9')
+                               lo = p[2] - '0';
+                       else if(p[2] >= 'a' && p[2] <= 'f')
+                               lo = p[2] - 'a' + 10;
+                       else if(p[2] >= 'A' && p[2] <= 'F')
+                               lo = p[2] - 'A' + 10;
+                       else
+                               goto nohex;
+                       if(hi != 0 || lo != 0) // don't unescape NUL bytes
+                               *q++ = (char) (hi * 0x10 + lo);
+                       p += 3;
+                       continue;
+               }
+
+nohex:
+               // otherwise:
+               *q++ = *p++;
+       }
+       *q++ = 0;
+
+       PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(dest);
+}
+
+// #502 string(string filename) whichpack (DP_QC_WHICHPACK)
+// returns the name of the pack containing a file, or "" if it is not in any pack (but local or non-existant)
+void VM_whichpack (void)
+{
+       const char *fn, *pack;
+
+       VM_SAFEPARMCOUNT(1, VM_whichpack);
+       fn = PRVM_G_STRING(OFS_PARM0);
+       pack = FS_WhichPack(fn);
+
+       PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(pack ? pack : "");
+}
+
+typedef struct
+{
+       int prognr;
+       double starttime;
+       float id;
+       char buffer[MAX_INPUTLINE];
+}
+uri_to_prog_t;
+
+static void uri_to_string_callback(int status, size_t length_received, unsigned char *buffer, void *cbdata)
+{
+       uri_to_prog_t *handle = (uri_to_prog_t *) cbdata;
+
+       if(!PRVM_ProgLoaded(handle->prognr))
+       {
+               // curl reply came too late... so just drop it
+               Z_Free(handle);
+               return;
+       }
+               
+       PRVM_SetProg(handle->prognr);
+       PRVM_Begin;
+               if((prog->starttime == handle->starttime) && (prog->funcoffsets.URI_Get_Callback))
+               {
+                       if(length_received >= sizeof(handle->buffer))
+                               length_received = sizeof(handle->buffer) - 1;
+                       handle->buffer[length_received] = 0;
+               
+                       PRVM_G_FLOAT(OFS_PARM0) = handle->id;
+                       PRVM_G_FLOAT(OFS_PARM1) = status;
+                       PRVM_G_INT(OFS_PARM2) = PRVM_SetTempString(handle->buffer);
+                       PRVM_ExecuteProgram(prog->funcoffsets.URI_Get_Callback, "QC function URI_Get_Callback is missing");
+               }
+       PRVM_End;
+       
+       Z_Free(handle);
+}
+
+// uri_get() gets content from an URL and calls a callback "uri_get_callback" with it set as string; an unique ID of the transfer is returned
+// returns 1 on success, and then calls the callback with the ID, 0 or the HTTP status code, and the received data in a string
+void VM_uri_get (void)
+{
+       const char *url;
+       float id;
+       qboolean ret;
+       uri_to_prog_t *handle;
+
+       if(!prog->funcoffsets.URI_Get_Callback)
+               PRVM_ERROR("uri_get called by %s without URI_Get_Callback defined", PRVM_NAME);
+
+       VM_SAFEPARMCOUNT(2, VM_uri_get);
+
+       url = PRVM_G_STRING(OFS_PARM0);
+       id = PRVM_G_FLOAT(OFS_PARM1);
+       handle = (uri_to_prog_t *) Z_Malloc(sizeof(*handle)); // this can't be the prog's mem pool, as curl may call the callback later!
+
+       handle->prognr = PRVM_GetProgNr();
+       handle->starttime = prog->starttime;
+       handle->id = id;
+       ret = Curl_Begin_ToMemory(url, 0, (unsigned char *) handle->buffer, sizeof(handle->buffer), uri_to_string_callback, handle);
+       if(ret)
+       {
+               PRVM_G_INT(OFS_RETURN) = 1;
+       }
+       else
+       {
+               Z_Free(handle);
+               PRVM_G_INT(OFS_RETURN) = 0;
+       }
+}
+
+void VM_netaddress_resolve (void)
+{
+       const char *ip;
+       char normalized[128];
+       int port;
+       lhnetaddress_t addr;
+
+       VM_SAFEPARMCOUNTRANGE(1, 2, VM_netaddress_resolve);
+
+       ip = PRVM_G_STRING(OFS_PARM0);
+       port = 0;
+       if(prog->argc > 1)
+               port = (int) PRVM_G_FLOAT(OFS_PARM1);
+
+       if(LHNETADDRESS_FromString(&addr, ip, port) && LHNETADDRESS_ToString(&addr, normalized, sizeof(normalized), prog->argc > 1))
+               PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(normalized);
+       else
+               PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString("");
+}
+
+//string(void) getextresponse = #624; // returns the next extResponse packet that was sent to this client
+void VM_CL_getextresponse (void)
+{
+       VM_SAFEPARMCOUNT(0,VM_argv);
+
+       if (cl_net_extresponse_count <= 0)
+               PRVM_G_INT(OFS_RETURN) = OFS_NULL;
+       else
+       {
+               int first;
+               --cl_net_extresponse_count;
+               first = (cl_net_extresponse_last + NET_EXTRESPONSE_MAX - cl_net_extresponse_count) % NET_EXTRESPONSE_MAX;
+               PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(cl_net_extresponse[first]);
+       }
+}
+
+void VM_SV_getextresponse (void)
+{
+       VM_SAFEPARMCOUNT(0,VM_argv);
+
+       if (sv_net_extresponse_count <= 0)
+               PRVM_G_INT(OFS_RETURN) = OFS_NULL;
+       else
+       {
+               int first;
+               --sv_net_extresponse_count;
+               first = (sv_net_extresponse_last + NET_EXTRESPONSE_MAX - sv_net_extresponse_count) % NET_EXTRESPONSE_MAX;
+               PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(sv_net_extresponse[first]);
+       }
+}
+
+/*
+=========
+Common functions between menu.dat and clsprogs
+=========
+*/
+
+//#349 float() isdemo 
+void VM_CL_isdemo (void)
+{
+       VM_SAFEPARMCOUNT(0, VM_CL_isdemo);
+       PRVM_G_FLOAT(OFS_RETURN) = cls.demoplayback;
+}
+
+//#355 float() videoplaying 
+void VM_CL_videoplaying (void)
+{
+       VM_SAFEPARMCOUNT(0, VM_CL_videoplaying);
+       PRVM_G_FLOAT(OFS_RETURN) = cl_videoplaying;
+}
+
+/*
+=========
+VM_M_callfunction
+
+       callfunction(...,string function_name)
+Extension: pass
+=========
+*/
+mfunction_t *PRVM_ED_FindFunction (const char *name);
+void VM_callfunction(void)
+{
+       mfunction_t *func;
+       const char *s;
+
+       VM_SAFEPARMCOUNTRANGE(1, 8, VM_callfunction);
+
+       s = PRVM_G_STRING(OFS_PARM0+(prog->argc - 1)*3);
+
+       VM_CheckEmptyString(s);
+
+       func = PRVM_ED_FindFunction(s);
+
+       if(!func)
+               PRVM_ERROR("VM_callfunciton: function %s not found !", s);
+       else if (func->first_statement < 0)
+       {
+               // negative statements are built in functions
+               int builtinnumber = -func->first_statement;
+               prog->xfunction->builtinsprofile++;
+               if (builtinnumber < prog->numbuiltins && prog->builtins[builtinnumber])
+                       prog->builtins[builtinnumber]();
+               else
+                       PRVM_ERROR("No such builtin #%i in %s; most likely cause: outdated engine build. Try updating!", builtinnumber, PRVM_NAME);
+       }
+       else if(func - prog->functions > 0)
+       {
+               prog->argc--;
+               PRVM_ExecuteProgram(func - prog->functions,"");
+               prog->argc++;
+       }
+}
+
+/*
+=========
+VM_isfunction
+
+float  isfunction(string function_name)
+=========
+*/
+mfunction_t *PRVM_ED_FindFunction (const char *name);
+void VM_isfunction(void)
+{
+       mfunction_t *func;
+       const char *s;
+
+       VM_SAFEPARMCOUNT(1, VM_isfunction);
+
+       s = PRVM_G_STRING(OFS_PARM0);
+
+       VM_CheckEmptyString(s);
+
+       func = PRVM_ED_FindFunction(s);
+
+       if(!func)
+               PRVM_G_FLOAT(OFS_RETURN) = false;
+       else
+               PRVM_G_FLOAT(OFS_RETURN) = true;
+}
+
+/*
+=========
+VM_sprintf
+
+string sprintf(string format, ...)
+=========
+*/
+
+void VM_sprintf(void)
+{
+       const char *s, *s0;
+       char outbuf[MAX_INPUTLINE];
+       char *o = outbuf, *end = outbuf + sizeof(outbuf), *err;
+       int argpos = 1;
+       int width, precision, thisarg, flags;
+       char formatbuf[16];
+       char *f;
+       int isfloat;
+       static int dummyivec[3] = {0, 0, 0};
+       static float dummyvec[3] = {0, 0, 0};
+
+#define PRINTF_ALTERNATE 1
+#define PRINTF_ZEROPAD 2
+#define PRINTF_LEFT 4
+#define PRINTF_SPACEPOSITIVE 8
+#define PRINTF_SIGNPOSITIVE 16
+
+       formatbuf[0] = '%';
+
+       s = PRVM_G_STRING(OFS_PARM0);
+
+#define GETARG_FLOAT(a) (((a)>=1 && (a)<prog->argc) ? (PRVM_G_FLOAT(OFS_PARM0 + 3 * (a))) : 0)
+#define GETARG_VECTOR(a) (((a)>=1 && (a)<prog->argc) ? (PRVM_G_VECTOR(OFS_PARM0 + 3 * (a))) : dummyvec)
+#define GETARG_INT(a) (((a)>=1 && (a)<prog->argc) ? (PRVM_G_INT(OFS_PARM0 + 3 * (a))) : 0)
+#define GETARG_INTVECTOR(a) (((a)>=1 && (a)<prog->argc) ? ((int*) PRVM_G_VECTOR(OFS_PARM0 + 3 * (a))) : dummyivec)
+#define GETARG_STRING(a) (((a)>=1 && (a)<prog->argc) ? (PRVM_G_STRING(OFS_PARM0 + 3 * (a))) : "")
+
+       for(;;)
+       {
+               s0 = s;
+               switch(*s)
+               {
+                       case 0:
+                               goto finished;
+                       case '%':
+                               ++s;
+
+                               if(*s == '%')
+                                       goto verbatim;
+
+                               // complete directive format:
+                               // %3$*1$.*2$ld
+                               
+                               width = -1;
+                               precision = -1;
+                               thisarg = -1;
+                               flags = 0;
+                               isfloat = -1;
+
+                               // is number following?
+                               if(*s >= '0' && *s <= '9')
+                               {
+                                       width = strtol(s, &err, 10);
+                                       if(!err)
+                                       {
+                                               VM_Warning("VM_sprintf: invalid directive in %s: %s\n", PRVM_NAME, s0);
+                                               goto finished;
+                                       }
+                                       if(*err == '$')
+                                       {
+                                               thisarg = width;
+                                               width = -1;
+                                               s = err + 1;
+                                       }
+                                       else
+                                       {
+                                               if(*s == '0')
+                                               {
+                                                       flags |= PRINTF_ZEROPAD;
+                                                       if(width == 0)
+                                                               width = -1; // it was just a flag
+                                               }
+                                               s = err;
+                                       }
+                               }
+
+                               if(width < 0)
+                               {
+                                       for(;;)
+                                       {
+                                               switch(*s)
+                                               {
+                                                       case '#': flags |= PRINTF_ALTERNATE; break;
+                                                       case '0': flags |= PRINTF_ZEROPAD; break;
+                                                       case '-': flags |= PRINTF_LEFT; break;
+                                                       case ' ': flags |= PRINTF_SPACEPOSITIVE; break;
+                                                       case '+': flags |= PRINTF_SIGNPOSITIVE; break;
+                                                       default:
+                                                               goto noflags;
+                                               }
+                                               ++s;
+                                       }
+noflags:
+                                       if(*s == '*')
+                                       {
+                                               ++s;
+                                               if(*s >= '0' && *s <= '9')
+                                               {
+                                                       width = strtol(s, &err, 10);
+                                                       if(!err || *err != '$')
+                                                       {
+                                                               VM_Warning("VM_sprintf: invalid directive in %s: %s\n", PRVM_NAME, s0);
+                                                               goto finished;
+                                                       }
+                                                       s = err + 1;
+                                               }
+                                               else
+                                                       width = argpos++;
+                                               width = GETARG_FLOAT(width);
+                                               if(width < 0)
+                                               {
+                                                       flags |= PRINTF_LEFT;
+                                                       width = -width;
+                                               }
+                                       }
+                                       else if(*s >= '0' && *s <= '9')
+                                       {
+                                               width = strtol(s, &err, 10);
+                                               if(!err)
+                                               {
+                                                       VM_Warning("VM_sprintf: invalid directive in %s: %s\n", PRVM_NAME, s0);
+                                                       goto finished;
+                                               }
+                                               s = err;
+                                               if(width < 0)
+                                               {
+                                                       flags |= PRINTF_LEFT;
+                                                       width = -width;
+                                               }
+                                       }
+                                       // otherwise width stays -1
+                               }
+
+                               if(*s == '.')
+                               {
+                                       ++s;
+                                       if(*s == '*')
+                                       {
+                                               ++s;
+                                               if(*s >= '0' && *s <= '9')
+                                               {
+                                                       precision = strtol(s, &err, 10);
+                                                       if(!err || *err != '$')
+                                                       {
+                                                               VM_Warning("VM_sprintf: invalid directive in %s: %s\n", PRVM_NAME, s0);
+                                                               goto finished;
+                                                       }
+                                                       s = err + 1;
+                                               }
+                                               else
+                                                       precision = argpos++;
+                                               precision = GETARG_FLOAT(precision);
+                                       }
+                                       else if(*s >= '0' && *s <= '9')
+                                       {
+                                               precision = strtol(s, &err, 10);
+                                               if(!err)
+                                               {
+                                                       VM_Warning("VM_sprintf: invalid directive in %s: %s\n", PRVM_NAME, s0);
+                                                       goto finished;
+                                               }
+                                               s = err;
+                                       }
+                                       else
+                                       {
+                                               VM_Warning("VM_sprintf: invalid directive in %s: %s\n", PRVM_NAME, s0);
+                                               goto finished;
+                                       }
+                               }
+
+                               for(;;)
+                               {
+                                       switch(*s)
+                                       {
+                                               case 'h': isfloat = 1; break;
+                                               case 'l': isfloat = 0; break;
+                                               case 'L': isfloat = 0; break;
+                                               case 'j': break;
+                                               case 'z': break;
+                                               case 't': break;
+                                               default:
+                                                       goto nolength;
+                                       }
+                                       ++s;
+                               }
+nolength:
+
+                               // now s points to the final directive char and is no longer changed
+                               if(isfloat < 0)
+                               {
+                                       if(*s == 'i')
+                                               isfloat = 0;
+                                       else
+                                               isfloat = 1;
+                               }
+
+                               if(thisarg < 0)
+                                       thisarg = argpos++;
+
+                               if(o < end - 1)
+                               {
+                                       f = &formatbuf[1];
+                                       if(*s != 's' && *s != 'c')
+                                               if(flags & PRINTF_ALTERNATE) *f++ = '#';
+                                       if(flags & PRINTF_ZEROPAD) *f++ = '0';
+                                       if(flags & PRINTF_LEFT) *f++ = '-';
+                                       if(flags & PRINTF_SPACEPOSITIVE) *f++ = ' ';
+                                       if(flags & PRINTF_SIGNPOSITIVE) *f++ = '+';
+                                       *f++ = '*';
+                                       *f++ = '.';
+                                       *f++ = '*';
+                                       *f++ = *s;
+                                       *f++ = 0;
+
+                                       if(width < 0) // not set
+                                               width = 0;
+
+                                       switch(*s)
+                                       {
+                                               case 'd': case 'i':
+                                                       if(precision < 0) // not set
+                                                               precision = 1;
+                                                       o += dpsnprintf(o, end - o, formatbuf, width, precision, (isfloat ? (int) GETARG_FLOAT(thisarg) : (int) GETARG_INT(thisarg)));
+                                                       break;
+                                               case 'o': case 'u': case 'x': case 'X':
+                                                       if(precision < 0) // not set
+                                                               precision = 1;
+                                                       o += dpsnprintf(o, end - o, formatbuf, width, precision, (isfloat ? (unsigned int) GETARG_FLOAT(thisarg) : (unsigned int) GETARG_INT(thisarg)));
+                                                       break;
+                                               case 'e': case 'E': case 'f': case 'F': case 'g': case 'G':
+                                                       if(precision < 0) // not set
+                                                               precision = 6;
+                                                       o += dpsnprintf(o, end - o, formatbuf, width, precision, (isfloat ? (double) GETARG_FLOAT(thisarg) : (double) GETARG_INT(thisarg)));
+                                                       break;
+                                               case 'v': case 'V':
+                                                       f[-2] += 'g' - 'v';
+                                                       if(precision < 0) // not set
+                                                               precision = 6;
+                                                       o += dpsnprintf(o, end - o, va("%s %s %s", /* NESTED SPRINTF IS NESTED */ formatbuf, formatbuf, formatbuf),
+                                                               width, precision, (isfloat ? (double) GETARG_VECTOR(thisarg)[0] : (double) GETARG_INTVECTOR(thisarg)[0]),
+                                                               width, precision, (isfloat ? (double) GETARG_VECTOR(thisarg)[1] : (double) GETARG_INTVECTOR(thisarg)[1]),
+                                                               width, precision, (isfloat ? (double) GETARG_VECTOR(thisarg)[2] : (double) GETARG_INTVECTOR(thisarg)[2])
+                                                       );
+                                                       break;
+                                               case 'c':
+                                                       if(precision < 0) // not set
+                                                               precision = end - o - 1;
+                                                       if(flags & PRINTF_ALTERNATE)
+                                                               o += dpsnprintf(o, end - o, formatbuf, width, precision, (isfloat ? (unsigned int) GETARG_FLOAT(thisarg) : (unsigned int) GETARG_INT(thisarg)));
+                                                       else
+                                                       {
+                                                               unsigned int c = (isfloat ? (unsigned int) GETARG_FLOAT(thisarg) : (unsigned int) GETARG_INT(thisarg));
+                                                               const char *buf = u8_encodech(c, NULL);
+                                                               if(!buf)
+                                                                       buf = "";
+                                                               o += u8_strpad(o, end - o, buf, (flags & PRINTF_LEFT) != 0, width, precision);
+                                                       }
+                                                       break;
+                                               case 's':
+                                                       if(precision < 0) // not set
+                                                               precision = end - o - 1;
+                                                       if(flags & PRINTF_ALTERNATE)
+                                                               o += dpsnprintf(o, end - o, formatbuf, width, precision, GETARG_STRING(thisarg));
+                                                       else
+                                                               o += u8_strpad(o, end - o, GETARG_STRING(thisarg), (flags & PRINTF_LEFT) != 0, width, precision);
+                                                       break;
+                                               default:
+                                                       VM_Warning("VM_sprintf: invalid directive in %s: %s\n", PRVM_NAME, s0);
+                                                       goto finished;
+                                       }
+                               }
+                               ++s;
+                               break;
+                       default:
+verbatim:
+                               if(o < end - 1)
+                                       *o++ = *s++;
+                               break;
+               }
+       }
+finished:
+       *o = 0;
+       PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(outbuf);
+}
+
+
+// surface querying
+
+static dp_model_t *getmodel(prvm_edict_t *ed)
+{
+       switch(PRVM_GetProgNr())
+       {
+               case PRVM_SERVERPROG:
+                       return SV_GetModelFromEdict(ed);
+               case PRVM_CLIENTPROG:
+                       return CL_GetModelFromEdict(ed);
+               default:
+                       return NULL;
+       }
+}
+
+typedef struct
+{
+       unsigned int progid;
+       dp_model_t *model;
+       frameblend_t frameblend[MAX_FRAMEBLENDS];
+       skeleton_t *skeleton_p;
+       skeleton_t skeleton;
+       float *data_vertex3f;
+       float *data_svector3f;
+       float *data_tvector3f;
+       float *data_normal3f;
+       int max_vertices;
+       float *buf_vertex3f;
+       float *buf_svector3f;
+       float *buf_tvector3f;
+       float *buf_normal3f;
+}
+animatemodel_cache_t;
+static animatemodel_cache_t animatemodel_cache;
+
+void animatemodel(dp_model_t *model, prvm_edict_t *ed)
+{
+       prvm_eval_t *val;
+       skeleton_t *skeleton;
+       int skeletonindex = -1;
+       qboolean need = false;
+       if(!model->AnimateVertices)
+       {
+               animatemodel_cache.data_vertex3f = model->surfmesh.data_vertex3f;
+               animatemodel_cache.data_svector3f = model->surfmesh.data_svector3f;
+               animatemodel_cache.data_tvector3f = model->surfmesh.data_tvector3f;
+               animatemodel_cache.data_normal3f = model->surfmesh.data_normal3f;
+               return;
+       }
+       if(animatemodel_cache.progid != prog->id)
+               memset(&animatemodel_cache, 0, sizeof(animatemodel_cache));
+       need |= (animatemodel_cache.model != model);
+       VM_GenerateFrameGroupBlend(ed->priv.server->framegroupblend, ed);
+       VM_FrameBlendFromFrameGroupBlend(ed->priv.server->frameblend, ed->priv.server->framegroupblend, model);
+       need |= (memcmp(&animatemodel_cache.frameblend, &ed->priv.server->frameblend, sizeof(ed->priv.server->frameblend)));
+       if ((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.skeletonindex))) skeletonindex = (int)val->_float - 1;
+       if (!(skeletonindex >= 0 && skeletonindex < MAX_EDICTS && (skeleton = prog->skeletons[skeletonindex]) && skeleton->model->num_bones == ed->priv.server->skeleton.model->num_bones))
+               skeleton = NULL;
+       need |= (animatemodel_cache.skeleton_p != skeleton);
+       if(skeleton)
+               need |= (memcmp(&animatemodel_cache.skeleton, skeleton, sizeof(ed->priv.server->skeleton)));
+       if(!need)
+               return;
+       if(model->surfmesh.num_vertices > animatemodel_cache.max_vertices)
+       {
+               animatemodel_cache.max_vertices = model->surfmesh.num_vertices * 2;
+               if(animatemodel_cache.buf_vertex3f) Mem_Free(animatemodel_cache.buf_vertex3f);
+               if(animatemodel_cache.buf_svector3f) Mem_Free(animatemodel_cache.buf_svector3f);
+               if(animatemodel_cache.buf_tvector3f) Mem_Free(animatemodel_cache.buf_tvector3f);
+               if(animatemodel_cache.buf_normal3f) Mem_Free(animatemodel_cache.buf_normal3f);
+               animatemodel_cache.buf_vertex3f = Mem_Alloc(prog->progs_mempool, sizeof(float[3]) * animatemodel_cache.max_vertices);
+               animatemodel_cache.buf_svector3f = Mem_Alloc(prog->progs_mempool, sizeof(float[3]) * animatemodel_cache.max_vertices);
+               animatemodel_cache.buf_tvector3f = Mem_Alloc(prog->progs_mempool, sizeof(float[3]) * animatemodel_cache.max_vertices);
+               animatemodel_cache.buf_normal3f = Mem_Alloc(prog->progs_mempool, sizeof(float[3]) * animatemodel_cache.max_vertices);
+       }
+       animatemodel_cache.data_vertex3f = animatemodel_cache.buf_vertex3f;
+       animatemodel_cache.data_svector3f = animatemodel_cache.buf_svector3f;
+       animatemodel_cache.data_tvector3f = animatemodel_cache.buf_tvector3f;
+       animatemodel_cache.data_normal3f = animatemodel_cache.buf_normal3f;
+       VM_UpdateEdictSkeleton(ed, model, ed->priv.server->frameblend);
+       model->AnimateVertices(model, ed->priv.server->frameblend, &ed->priv.server->skeleton, animatemodel_cache.data_vertex3f, animatemodel_cache.data_normal3f, animatemodel_cache.data_svector3f, animatemodel_cache.data_tvector3f);
+       animatemodel_cache.progid = prog->id;
+       animatemodel_cache.model = model;
+       memcpy(&animatemodel_cache.frameblend, &ed->priv.server->frameblend, sizeof(ed->priv.server->frameblend));
+       animatemodel_cache.skeleton_p = skeleton;
+       if(skeleton)
+               memcpy(&animatemodel_cache.skeleton, skeleton, sizeof(ed->priv.server->skeleton));
+}
+
+static void getmatrix(prvm_edict_t *ed, matrix4x4_t *out)
+{
+       switch(PRVM_GetProgNr())
+       {
+               case PRVM_SERVERPROG:
+                       SV_GetEntityMatrix(ed, out, false);
+                       break;
+               case PRVM_CLIENTPROG:
+                       CL_GetEntityMatrix(ed, out, false);
+                       break;
+               default:
+                       *out = identitymatrix;
+                       break;
+       }
+}
+
+static void applytransform_forward(const vec3_t in, prvm_edict_t *ed, vec3_t out)
+{
+       matrix4x4_t m;
+       getmatrix(ed, &m);
+       Matrix4x4_Transform(&m, in, out);
+}
+
+static void applytransform_forward_direction(const vec3_t in, prvm_edict_t *ed, vec3_t out)
+{
+       matrix4x4_t m;
+       getmatrix(ed, &m);
+       Matrix4x4_Transform3x3(&m, in, out);
+}
+
+static void applytransform_inverted(const vec3_t in, prvm_edict_t *ed, vec3_t out)
+{
+       matrix4x4_t m, n;
+       getmatrix(ed, &m);
+       Matrix4x4_Invert_Full(&n, &m);
+       Matrix4x4_Transform3x3(&n, in, out);
+}
+
+static void applytransform_forward_normal(const vec3_t in, prvm_edict_t *ed, vec3_t out)
+{
+       matrix4x4_t m;
+       float p[4];
+       getmatrix(ed, &m);
+       Matrix4x4_TransformPositivePlane(&m, in[0], in[1], in[2], 0, p);
+       VectorCopy(p, out);
+}
+
+static void clippointtosurface(prvm_edict_t *ed, dp_model_t *model, msurface_t *surface, vec3_t p, vec3_t out)
+{
+       int i, j, k;
+       float *v[3], facenormal[3], edgenormal[3], sidenormal[3], temp[3], offsetdist, dist, bestdist;
+       const int *e;
+       animatemodel(model, ed);
+       bestdist = 1000000000;
+       VectorCopy(p, out);
+       for (i = 0, e = (model->surfmesh.data_element3i + 3 * surface->num_firsttriangle);i < surface->num_triangles;i++, e += 3)
+       {
+               // clip original point to each triangle of the surface and find the
+               // triangle that is closest
+               v[0] = animatemodel_cache.data_vertex3f + e[0] * 3;
+               v[1] = animatemodel_cache.data_vertex3f + e[1] * 3;
+               v[2] = animatemodel_cache.data_vertex3f + e[2] * 3;
+               TriangleNormal(v[0], v[1], v[2], facenormal);
+               VectorNormalize(facenormal);
+               offsetdist = DotProduct(v[0], facenormal) - DotProduct(p, facenormal);
+               VectorMA(p, offsetdist, facenormal, temp);
+               for (j = 0, k = 2;j < 3;k = j, j++)
+               {
+                       VectorSubtract(v[k], v[j], edgenormal);
+                       CrossProduct(edgenormal, facenormal, sidenormal);
+                       VectorNormalize(sidenormal);
+                       offsetdist = DotProduct(v[k], sidenormal) - DotProduct(temp, sidenormal);
+                       if (offsetdist < 0)
+                               VectorMA(temp, offsetdist, sidenormal, temp);
+               }
+               dist = VectorDistance2(temp, p);
+               if (bestdist > dist)
+               {
+                       bestdist = dist;
+                       VectorCopy(temp, out);
+               }
+       }
+}
+
+static msurface_t *getsurface(dp_model_t *model, int surfacenum)
+{
+       if (surfacenum < 0 || surfacenum >= model->nummodelsurfaces)
+               return NULL;
+       return model->data_surfaces + surfacenum + model->firstmodelsurface;
+}
+
+
+//PF_getsurfacenumpoints, // #434 float(entity e, float s) getsurfacenumpoints = #434;
+void VM_getsurfacenumpoints(void)
+{
+       dp_model_t *model;
+       msurface_t *surface;
+       VM_SAFEPARMCOUNT(2, VM_getsurfacenumpoints);
+       // return 0 if no such surface
+       if (!(model = getmodel(PRVM_G_EDICT(OFS_PARM0))) || !(surface = getsurface(model, (int)PRVM_G_FLOAT(OFS_PARM1))))
+       {
+               PRVM_G_FLOAT(OFS_RETURN) = 0;
+               return;
+       }
+
+       // note: this (incorrectly) assumes it is a simple polygon
+       PRVM_G_FLOAT(OFS_RETURN) = surface->num_vertices;
+}
+//PF_getsurfacepoint,     // #435 vector(entity e, float s, float n) getsurfacepoint = #435;
+void VM_getsurfacepoint(void)
+{
+       prvm_edict_t *ed;
+       dp_model_t *model;
+       msurface_t *surface;
+       int pointnum;
+       VM_SAFEPARMCOUNT(3, VM_getsurfacepoint);
+       VectorClear(PRVM_G_VECTOR(OFS_RETURN));
+       ed = PRVM_G_EDICT(OFS_PARM0);
+       if (!(model = getmodel(ed)) || !(surface = getsurface(model, (int)PRVM_G_FLOAT(OFS_PARM1))))
+               return;
+       // note: this (incorrectly) assumes it is a simple polygon
+       pointnum = (int)PRVM_G_FLOAT(OFS_PARM2);
+       if (pointnum < 0 || pointnum >= surface->num_vertices)
+               return;
+       animatemodel(model, ed);
+       applytransform_forward(&(animatemodel_cache.data_vertex3f + 3 * surface->num_firstvertex)[pointnum * 3], ed, PRVM_G_VECTOR(OFS_RETURN));
+}
+//PF_getsurfacepointattribute,     // #486 vector(entity e, float s, float n, float a) getsurfacepointattribute = #486;
+// float SPA_POSITION = 0;
+// float SPA_S_AXIS = 1;
+// float SPA_T_AXIS = 2;
+// float SPA_R_AXIS = 3; // same as SPA_NORMAL
+// float SPA_TEXCOORDS0 = 4;
+// float SPA_LIGHTMAP0_TEXCOORDS = 5;
+// float SPA_LIGHTMAP0_COLOR = 6;
+void VM_getsurfacepointattribute(void)
+{
+       prvm_edict_t *ed;
+       dp_model_t *model;
+       msurface_t *surface;
+       int pointnum;
+       int attributetype;
+
+       VM_SAFEPARMCOUNT(4, VM_getsurfacepoint);
+       VectorClear(PRVM_G_VECTOR(OFS_RETURN));
+       ed = PRVM_G_EDICT(OFS_PARM0);
+       if (!(model = getmodel(ed)) || !(surface = getsurface(model, (int)PRVM_G_FLOAT(OFS_PARM1))))
+               return;
+       pointnum = (int)PRVM_G_FLOAT(OFS_PARM2);
+       if (pointnum < 0 || pointnum >= surface->num_vertices)
+               return;
+       attributetype = (int) PRVM_G_FLOAT(OFS_PARM3);
+
+       animatemodel(model, ed);
+
+       switch( attributetype ) {
+               // float SPA_POSITION = 0;
+               case 0:
+                       applytransform_forward(&(animatemodel_cache.data_vertex3f + 3 * surface->num_firstvertex)[pointnum * 3], ed, PRVM_G_VECTOR(OFS_RETURN));
+                       break;
+               // float SPA_S_AXIS = 1;
+               case 1:
+                       applytransform_forward_direction(&(animatemodel_cache.data_svector3f + 3 * surface->num_firstvertex)[pointnum * 3], ed, PRVM_G_VECTOR(OFS_RETURN));
+                       break;
+               // float SPA_T_AXIS = 2;
+               case 2:
+                       applytransform_forward_direction(&(animatemodel_cache.data_tvector3f + 3 * surface->num_firstvertex)[pointnum * 3], ed, PRVM_G_VECTOR(OFS_RETURN));
+                       break;
+               // float SPA_R_AXIS = 3; // same as SPA_NORMAL
+               case 3:
+                       applytransform_forward_direction(&(animatemodel_cache.data_normal3f + 3 * surface->num_firstvertex)[pointnum * 3], ed, PRVM_G_VECTOR(OFS_RETURN));
+                       break;
+               // float SPA_TEXCOORDS0 = 4;
+               case 4: {
+                       float *ret = PRVM_G_VECTOR(OFS_RETURN);
+                       float *texcoord = &(model->surfmesh.data_texcoordtexture2f + 2 * surface->num_firstvertex)[pointnum * 2];
+                       ret[0] = texcoord[0];
+                       ret[1] = texcoord[1];
+                       ret[2] = 0.0f;
+                       break;
+               }
+               // float SPA_LIGHTMAP0_TEXCOORDS = 5;
+               case 5: {
+                       float *ret = PRVM_G_VECTOR(OFS_RETURN);
+                       float *texcoord = &(model->surfmesh.data_texcoordlightmap2f + 2 * surface->num_firstvertex)[pointnum * 2];
+                       ret[0] = texcoord[0];
+                       ret[1] = texcoord[1];
+                       ret[2] = 0.0f;
+                       break;
+               }
+               // float SPA_LIGHTMAP0_COLOR = 6;
+               case 6:
+                       // ignore alpha for now..
+                       VectorCopy( &(model->surfmesh.data_lightmapcolor4f + 4 * surface->num_firstvertex)[pointnum * 4], PRVM_G_VECTOR(OFS_RETURN));
+                       break;
+               default:
+                       VectorSet( PRVM_G_VECTOR(OFS_RETURN), 0.0f, 0.0f, 0.0f );
+                       break;
+       }
+}
+//PF_getsurfacenormal,    // #436 vector(entity e, float s) getsurfacenormal = #436;
+void VM_getsurfacenormal(void)
+{
+       dp_model_t *model;
+       msurface_t *surface;
+       vec3_t normal;
+       VM_SAFEPARMCOUNT(2, VM_getsurfacenormal);
+       VectorClear(PRVM_G_VECTOR(OFS_RETURN));
+       if (!(model = getmodel(PRVM_G_EDICT(OFS_PARM0))) || !(surface = getsurface(model, (int)PRVM_G_FLOAT(OFS_PARM1))))
+               return;
+       // note: this only returns the first triangle, so it doesn't work very
+       // well for curved surfaces or arbitrary meshes
+       animatemodel(model, PRVM_G_EDICT(OFS_PARM0));
+       TriangleNormal((animatemodel_cache.data_vertex3f + 3 * surface->num_firstvertex), (animatemodel_cache.data_vertex3f + 3 * surface->num_firstvertex) + 3, (animatemodel_cache.data_vertex3f + 3 * surface->num_firstvertex) + 6, normal);
+       applytransform_forward_normal(normal, PRVM_G_EDICT(OFS_PARM0), PRVM_G_VECTOR(OFS_RETURN));
+       VectorNormalize(PRVM_G_VECTOR(OFS_RETURN));
+}
+//PF_getsurfacetexture,   // #437 string(entity e, float s) getsurfacetexture = #437;
+void VM_getsurfacetexture(void)
+{
+       dp_model_t *model;
+       msurface_t *surface;
+       VM_SAFEPARMCOUNT(2, VM_getsurfacetexture);
+       PRVM_G_INT(OFS_RETURN) = OFS_NULL;
+       if (!(model = getmodel(PRVM_G_EDICT(OFS_PARM0))) || !(surface = getsurface(model, (int)PRVM_G_FLOAT(OFS_PARM1))))
+               return;
+       PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(surface->texture->name);
+}
+//PF_getsurfacenearpoint, // #438 float(entity e, vector p) getsurfacenearpoint = #438;
+void VM_getsurfacenearpoint(void)
+{
+       int surfacenum, best;
+       vec3_t clipped, p;
+       vec_t dist, bestdist;
+       prvm_edict_t *ed;
+       dp_model_t *model;
+       msurface_t *surface;
+       vec_t *point;
+       VM_SAFEPARMCOUNT(2, VM_getsurfacenearpoint);
+       PRVM_G_FLOAT(OFS_RETURN) = -1;
+       ed = PRVM_G_EDICT(OFS_PARM0);
+       point = PRVM_G_VECTOR(OFS_PARM1);
+
+       if (!ed || ed->priv.server->free)
+               return;
+       model = getmodel(ed);
+       if (!model || !model->num_surfaces)
+               return;
+
+       animatemodel(model, ed);
+
+       applytransform_inverted(point, ed, p);
+       best = -1;
+       bestdist = 1000000000;
+       for (surfacenum = 0;surfacenum < model->nummodelsurfaces;surfacenum++)
+       {
+               surface = model->data_surfaces + surfacenum + model->firstmodelsurface;
+               // first see if the nearest point on the surface's box is closer than the previous match
+               clipped[0] = bound(surface->mins[0], p[0], surface->maxs[0]) - p[0];
+               clipped[1] = bound(surface->mins[1], p[1], surface->maxs[1]) - p[1];
+               clipped[2] = bound(surface->mins[2], p[2], surface->maxs[2]) - p[2];
+               dist = VectorLength2(clipped);
+               if (dist < bestdist)
+               {
+                       // it is, check the nearest point on the actual geometry
+                       clippointtosurface(ed, model, surface, p, clipped);
+                       VectorSubtract(clipped, p, clipped);
+                       dist += VectorLength2(clipped);
+                       if (dist < bestdist)
+                       {
+                               // that's closer too, store it as the best match
+                               best = surfacenum;
+                               bestdist = dist;
+                       }
+               }
+       }
+       PRVM_G_FLOAT(OFS_RETURN) = best;
+}
+//PF_getsurfaceclippedpoint, // #439 vector(entity e, float s, vector p) getsurfaceclippedpoint = #439;
+void VM_getsurfaceclippedpoint(void)
+{
+       prvm_edict_t *ed;
+       dp_model_t *model;
+       msurface_t *surface;
+       vec3_t p, out;
+       VM_SAFEPARMCOUNT(3, VM_te_getsurfaceclippedpoint);
+       VectorClear(PRVM_G_VECTOR(OFS_RETURN));
+       ed = PRVM_G_EDICT(OFS_PARM0);
+       if (!(model = getmodel(ed)) || !(surface = getsurface(model, (int)PRVM_G_FLOAT(OFS_PARM1))))
+               return;
+       animatemodel(model, ed);
+       applytransform_inverted(PRVM_G_VECTOR(OFS_PARM2), ed, p);
+       clippointtosurface(ed, model, surface, p, out);
+       VectorAdd(out, ed->fields.server->origin, PRVM_G_VECTOR(OFS_RETURN));
+}
+
+//PF_getsurfacenumtriangles, // #??? float(entity e, float s) getsurfacenumtriangles = #???;
+void VM_getsurfacenumtriangles(void)
+{
+       dp_model_t *model;
+       msurface_t *surface;
+       VM_SAFEPARMCOUNT(2, VM_SV_getsurfacenumtriangles);
+       // return 0 if no such surface
+       if (!(model = getmodel(PRVM_G_EDICT(OFS_PARM0))) || !(surface = getsurface(model, (int)PRVM_G_FLOAT(OFS_PARM1))))
+       {
+               PRVM_G_FLOAT(OFS_RETURN) = 0;
+               return;
+       }
+
+       // note: this (incorrectly) assumes it is a simple polygon
+       PRVM_G_FLOAT(OFS_RETURN) = surface->num_triangles;
+}
+//PF_getsurfacetriangle,     // #??? vector(entity e, float s, float n) getsurfacetriangle = #???;
+void VM_getsurfacetriangle(void)
+{
+       const vec3_t d = {-1, -1, -1};
+       prvm_edict_t *ed;
+       dp_model_t *model;
+       msurface_t *surface;
+       int trinum;
+       VM_SAFEPARMCOUNT(3, VM_SV_getsurfacetriangle);
+       VectorClear(PRVM_G_VECTOR(OFS_RETURN));
+       ed = PRVM_G_EDICT(OFS_PARM0);
+       if (!(model = getmodel(ed)) || !(surface = getsurface(model, (int)PRVM_G_FLOAT(OFS_PARM1))))
+               return;
+       trinum = (int)PRVM_G_FLOAT(OFS_PARM2);
+       if (trinum < 0 || trinum >= surface->num_triangles)
+               return;
+       // FIXME: implement rotation/scaling
+       VectorMA(&(model->surfmesh.data_element3i + 3 * surface->num_firsttriangle)[trinum * 3], surface->num_firstvertex, d, PRVM_G_VECTOR(OFS_RETURN));
+}