]> de.git.xonotic.org Git - xonotic/darkplaces.git/blobdiff - pr_cmds.c
changed lhrandom to use the full RAND_MAX limit (more random, after all the low bits...
[xonotic/darkplaces.git] / pr_cmds.c
index 354cf937c2bf82075db8f20558e7b5c88ae047bc..ddf9d4587320d477a719e1f3d38997e90f02637b 100644 (file)
--- a/pr_cmds.c
+++ b/pr_cmds.c
@@ -71,10 +71,13 @@ void PF_VarString(int first, char *out, int outlength)
 
 char *ENGINE_EXTENSIONS =
 "DP_CL_LOADSKY "
+"DP_CON_SET "
+"DP_CON_SETA "
 "DP_EF_ADDITIVE "
 "DP_EF_BLUE "
 "DP_EF_FLAME "
 "DP_EF_FULLBRIGHT "
+"DP_EF_NODEPTHTEST "
 "DP_EF_NODRAW "
 "DP_EF_NOSHADOW "
 "DP_EF_RED "
@@ -94,6 +97,7 @@ char *ENGINE_EXTENSIONS =
 "DP_HALFLIFE_MAP "
 "DP_HALFLIFE_MAP_CVAR "
 "DP_INPUTBUTTONS "
+"DP_LITSPRITES "
 "DP_LITSUPPORT "
 "DP_MONSTERWALK "
 "DP_MOVETYPEBOUNCEMISSILE "
@@ -110,6 +114,7 @@ char *ENGINE_EXTENSIONS =
 "DP_QC_FS_SEARCH " // Black: same as in the menu qc
 "DP_QC_GETLIGHT "
 "DP_QC_GETSURFACE "
+"DP_QC_GETTAGINFO "
 "DP_QC_MINMAXBOUND "
 "DP_QC_MULTIPLETEMPSTRINGS "
 "DP_QC_RANDOMVEC "
@@ -123,15 +128,21 @@ char *ENGINE_EXTENSIONS =
 "DP_QUAKE3_MODEL "
 "DP_REGISTERCVAR "
 "DP_SND_DIRECTIONLESSATTNNONE "
+"DP_SND_FAKETRACKS "
 "DP_SND_OGGVORBIS "
 "DP_SND_STEREOWAV "
 "DP_SOLIDCORPSE "
 "DP_SPRITE32 "
+"DP_SV_BOTCLIENT "
+"DP_SV_CLIENTCOLORS "
+"DP_SV_CLIENTNAME "
 "DP_SV_DRAWONLYTOCLIENT "
+"DP_SV_DROPCLIENT "
 "DP_SV_EFFECT "
-"DP_SV_EXTERIORMODELTOCLIENT "
 "DP_SV_NODRAWTOCLIENT "
+"DP_SV_PING "
 "DP_SV_PLAYERPHYSICS "
+"DP_SV_PUNCHVECTOR "
 "DP_SV_ROTATINGBMODEL "
 "DP_SV_SETCOLOR "
 "DP_SV_SLOWMO "
@@ -153,6 +164,7 @@ char *ENGINE_EXTENSIONS =
 "KRIMZON_SV_PARSECLIENTCOMMAND "
 "NEH_CMD_PLAY2 "
 "NEH_RESTOREGAME "
+"NXQ_GFX_LETTERBOX "
 "TENEBRAE_GFX_DLIGHTS "
 "TW_SV_STEPCONTROL "
 ;
@@ -359,7 +371,7 @@ void PF_setmodel (void)
                        break;
 
        if (!*check)
-               PF_WARNING("setmodel: no precache\n");
+               PF_WARNING(va("setmodel: no precache for model \"%s\"\n", m));
 
 
        e->v->model = PR_SetString(*check);
@@ -413,8 +425,6 @@ void PF_sprint (void)
        }
 
        client = svs.clients + entnum-1;
-       if (!client->netconnection)
-               return;
        PF_VarString(1, string, sizeof(string));
        MSG_WriteChar(&client->message,svc_print);
        MSG_WriteString(&client->message, string);
@@ -445,8 +455,6 @@ void PF_centerprint (void)
        }
 
        client = svs.clients + entnum-1;
-       if (!client->netconnection)
-               return;
        PF_VarString(1, string, sizeof(string));
        MSG_WriteChar(&client->message,svc_centerprint);
        MSG_WriteString(&client->message, string);
@@ -522,7 +530,7 @@ void PF_vectoyaw (void)
                yaw = 0;
        else
        {
-               yaw = (int) (atan2(value1[1], value1[0]) * 180 / M_PI);
+               yaw = (atan2(value1[1], value1[0]) * 180 / M_PI);
                if (yaw < 0)
                        yaw += 360;
        }
@@ -586,11 +594,7 @@ random()
 */
 void PF_random (void)
 {
-       float           num;
-
-       num = (rand ()&0x7fff) / ((float)0x7fff);
-
-       G_FLOAT(OFS_RETURN) = num;
+       G_FLOAT(OFS_RETURN) = lhrandom(0, 1);
 }
 
 /*
@@ -974,8 +978,8 @@ void PF_stuffcmd (void)
        str = G_STRING(OFS_PARM1);
 
        old = host_client;
-       if ((host_client = svs.clients + entnum-1) && host_client->netconnection)
-               Host_ClientCommands ("%s", str);
+       host_client = svs.clients + entnum-1;
+       Host_ClientCommands ("%s", str);
        host_client = old;
 }
 
@@ -1029,37 +1033,46 @@ findradius (origin, radius)
 void PF_findradius (void)
 {
        edict_t *ent, *chain;
-       float radius;
-       float radius2;
-       float *org;
-       float eorg[3];
+       vec_t radius, radius2;
+       vec3_t org, eorg, mins, maxs;
        int i;
+       int numtouchedicts;
+       edict_t *touchedicts[MAX_EDICTS];
 
        chain = (edict_t *)sv.edicts;
 
-       org = G_VECTOR(OFS_PARM0);
+       VectorCopy(G_VECTOR(OFS_PARM0), org);
        radius = G_FLOAT(OFS_PARM1);
        radius2 = radius * radius;
 
-       ent = NEXT_EDICT(sv.edicts);
-       for (i=1 ; i<sv.num_edicts ; i++, ent = NEXT_EDICT(ent))
+       mins[0] = org[0] - radius;
+       mins[1] = org[1] - radius;
+       mins[2] = org[2] - radius;
+       maxs[0] = org[0] + radius;
+       maxs[1] = org[1] + radius;
+       maxs[2] = org[2] + radius;
+       numtouchedicts = SV_EntitiesInBox(mins, maxs, MAX_EDICTS, touchedicts);
+       if (numtouchedicts > MAX_EDICTS)
+       {
+               // this never happens
+               Con_Printf("SV_EntitiesInBox returned %i edicts, max was %i\n", numtouchedicts, MAX_EDICTS);
+               numtouchedicts = MAX_EDICTS;
+       }
+       for (i = 0;i < numtouchedicts;i++)
        {
+               ent = touchedicts[i];
                pr_xfunction->builtinsprofile++;
-               if (ent->e->free)
-                       continue;
-               if (ent->v->solid == SOLID_NOT)
-                       continue;
-
-               // LordHavoc: compare against bounding box rather than center,
-               // and use DotProduct instead of Length, major speedup
+               // LordHavoc: compare against bounding box rather than center so it
+               // doesn't miss large objects, and use DotProduct instead of Length
+               // for a major speedup
                eorg[0] = (org[0] - ent->v->origin[0]) - bound(ent->v->mins[0], (org[0] - ent->v->origin[0]), ent->v->maxs[0]);
                eorg[1] = (org[1] - ent->v->origin[1]) - bound(ent->v->mins[1], (org[1] - ent->v->origin[1]), ent->v->maxs[1]);
                eorg[2] = (org[2] - ent->v->origin[2]) - bound(ent->v->mins[2], (org[2] - ent->v->origin[2]), ent->v->maxs[2]);
-               if (DotProduct(eorg, eorg) > radius2)
-                       continue;
-
-               ent->v->chain = EDICT_TO_PROG(chain);
-               chain = ent;
+               if (DotProduct(eorg, eorg) < radius2)
+               {
+                       ent->v->chain = EDICT_TO_PROG(chain);
+                       chain = ent;
+               }
        }
 
        RETURN_EDICT(chain);
@@ -1531,7 +1544,7 @@ void PF_lightstyle (void)
 
        for (j = 0, client = svs.clients;j < svs.maxclients;j++, client++)
        {
-               if (client->netconnection)
+               if (client->active)
                {
                        MSG_WriteChar (&client->message, svc_lightstyle);
                        MSG_WriteChar (&client->message,style);
@@ -1628,7 +1641,10 @@ void PF_aim (void)
        float   speed;
 
        // assume failure if it returns early
-       VectorClear(G_VECTOR(OFS_RETURN));
+       VectorCopy(pr_global_struct->v_forward, G_VECTOR(OFS_RETURN));
+       // if sv_aim is so high it can't possibly accept anything, skip out early
+       if (sv_aim.value >= 1)
+               return;
 
        ent = G_EDICT(OFS_PARM0);
        if (ent == sv.edicts)
@@ -1873,10 +1889,7 @@ void PF_WriteLong (void)
 
 void PF_WriteAngle (void)
 {
-       if (sv.protocol == PROTOCOL_DARKPLACES5)
-               MSG_WriteAngle16i (WriteDest(), G_FLOAT(OFS_PARM1));
-       else
-               MSG_WriteAngle8i (WriteDest(), G_FLOAT(OFS_PARM1));
+       MSG_WriteAngle (WriteDest(), G_FLOAT(OFS_PARM1), sv.protocol);
 }
 
 void PF_WriteCoord (void)
@@ -1930,7 +1943,7 @@ void PF_makestatic (void)
        for (i=0 ; i<3 ; i++)
        {
                MSG_WriteCoord(&sv.signon, ent->v->origin[i], sv.protocol);
-               MSG_WriteAngle8i(&sv.signon, ent->v->angles[i]);
+               MSG_WriteAngle(&sv.signon, ent->v->angles[i], sv.protocol);
        }
 
 // throw the entity away now
@@ -2044,17 +2057,13 @@ void PF_GetLight (void)
        VectorMA(ambientcolor, 0.5, diffusecolor, G_VECTOR(OFS_RETURN));
 }
 
-#define MAX_QC_CVARS 128
-cvar_t qc_cvar[MAX_QC_CVARS];
-int currentqc_cvar;
-
 void PF_registercvar (void)
 {
        char *name, *value;
-       cvar_t *variable;
        name = G_STRING(OFS_PARM0);
        value = G_STRING(OFS_PARM1);
        G_FLOAT(OFS_RETURN) = 0;
+
 // first check to see if it has already been defined
        if (Cvar_FindVar (name))
                return;
@@ -2066,18 +2075,8 @@ void PF_registercvar (void)
                return;
        }
 
-       if (currentqc_cvar >= MAX_QC_CVARS)
-               PF_ERROR("PF_registercvar: ran out of cvar slots\n");
-
-// copy the name and value
-       variable = &qc_cvar[currentqc_cvar++];
-       variable->name = Z_Malloc (strlen(name)+1);
-       strcpy (variable->name, name);
-       variable->string = Z_Malloc (strlen(value)+1);
-       strcpy (variable->string, value);
-       variable->value = atof (value);
+       Cvar_Get(name, value, 0);
 
-       Cvar_RegisterVariable(variable);
        G_FLOAT(OFS_RETURN) = 1; // success
 }
 
@@ -2219,15 +2218,21 @@ void PF_setcolor (void)
        }
 
        client = svs.clients + entnum-1;
-       if ((val = GETEDICTFIELDVALUE(client->edict, eval_clientcolors)))
-               val->_float = i;
+       if (client->edict)
+       {
+               if ((val = GETEDICTFIELDVALUE(client->edict, eval_clientcolors)))
+                       val->_float = i;
+               client->edict->v->team = (i & 15) + 1;
+       }
        client->colors = i;
-       client->old_colors = i;
-       client->edict->v->team = (i & 15) + 1;
-
-       MSG_WriteByte (&sv.reliable_datagram, svc_updatecolors);
-       MSG_WriteByte (&sv.reliable_datagram, entnum - 1);
-       MSG_WriteByte (&sv.reliable_datagram, i);
+       if (client->old_colors != client->colors)
+       {
+               client->old_colors = client->colors;
+               // send notification to all clients
+               MSG_WriteByte (&sv.reliable_datagram, svc_updatecolors);
+               MSG_WriteByte (&sv.reliable_datagram, client - svs.clients);
+               MSG_WriteByte (&sv.reliable_datagram, client->colors);
+       }
 }
 
 /*
@@ -3132,6 +3137,246 @@ void PF_setattachment (void)
        }
 }
 
+/////////////////////////////////////////
+// DP_MD3_TAGINFO extension coded by VorteX
+
+int SV_GetTagIndex (edict_t *e, char *tagname)
+{
+       int tagindex, i;
+       model_t *model;
+
+       model = sv.models[(int)e->v->modelindex];
+
+       tagindex = -1;
+       if (model->data_overridetagnamesforskin && (unsigned int)e->v->skin < (unsigned int)model->numskins && model->data_overridetagnamesforskin[(unsigned int)e->v->skin].num_overridetagnames)
+       {
+               for (i = 0; i < model->data_overridetagnamesforskin[(unsigned int)e->v->skin].num_overridetagnames; i++)
+               {
+                       if (!strcmp(tagname, model->data_overridetagnamesforskin[(unsigned int)e->v->skin].data_overridetagnames[i].name))
+                       {
+                               tagindex = i;
+                               break;
+                       }
+               }
+       }
+       if (tagindex == -1)
+       {
+               for (i = 0;i < model->alias.aliasnum_tags; i++)
+               {
+                       if (!(strcmp(tagname, model->alias.aliasdata_tags[i].name)))
+                       {
+                               tagindex = i;
+                               break;
+                       }
+               }
+       }
+       return tagindex + 1;
+};
+
+// Warnings/errors code:
+// 0 - normal (everything all-right)
+// 1 - world entity
+// 2 - free entity
+// 3 - null or non-precached model
+// 4 - no tags with requested index
+// 5 - runaway loop at attachment chain
+extern cvar_t cl_bob;
+extern cvar_t cl_bobcycle;
+extern cvar_t cl_bobup;
+int SV_GetTagMatrix (matrix4x4_t *out, edict_t *ent, int tagindex)
+{
+       eval_t *val;
+       int modelindex, reqtag, reqframe, attachloop;
+       matrix4x4_t entitymatrix, tagmatrix, attachmatrix;
+       edict_t *attachent;
+       model_t *model;
+
+       Matrix4x4_CreateIdentity(out); // warnings and errors return identical matrix
+
+       if (ent == sv.edicts)
+               return 1;
+       if (ent->e->free)
+               return 2;
+
+       modelindex = (int)ent->v->modelindex;
+       if (modelindex <= 0 || modelindex > MAX_MODELS)
+               return 3;
+
+       model = sv.models[modelindex];
+       reqtag = model->alias.aliasnum_tags;
+
+       if (tagindex <= 0 || tagindex > reqtag)
+       {
+               if (reqtag && tagindex) // Only appear if model has no tags or not-null tag requested
+                       return 4;
+               return 0;
+       }
+
+       if (ent->v->frame < 0 || ent->v->frame > model->alias.aliasnum_tagframes)
+               reqframe = model->numframes - 1; // if model has wrong frame, engine automatically switches to model last frame
+       else
+               reqframe = ent->v->frame;
+
+       // get initial tag matrix
+       if (tagindex)
+       {
+               reqtag = (tagindex - 1) + ent->v->frame*model->alias.aliasnum_tags;
+               Matrix4x4_Copy(&tagmatrix, &model->alias.aliasdata_tags[reqtag].matrix);
+       }
+       else
+               Matrix4x4_CreateIdentity(&tagmatrix);
+
+       if ((val = GETEDICTFIELDVALUE(ent, eval_tag_entity)) && val->edict) 
+       { // DP_GFX_QUAKE3MODELTAGS, scan all chain and stop on unattached entity
+               attachloop = 0;
+               do
+               {
+                       attachent = EDICT_NUM(val->edict); // to this it entity our entity is attached
+                       val = GETEDICTFIELDVALUE(ent, eval_tag_index);
+                       if (val->_float) 
+                       {// got tagname on parent entity attachment tag via tag_index (and got it's matrix)
+                               model = sv.models[(int)attachent->v->modelindex];
+                               reqtag = (val->_float - 1) + attachent->v->frame*model->alias.aliasnum_tags;
+                               Matrix4x4_Copy(&attachmatrix, &model->alias.aliasdata_tags[reqtag].matrix);
+                       }
+                       else
+                               Matrix4x4_CreateIdentity(&attachmatrix);
+
+                       // apply transformation by child entity matrix
+                       val = GETEDICTFIELDVALUE(ent, eval_scale);
+                       if (val->_float == 0)
+                               val->_float = 1;
+                       Matrix4x4_CreateFromQuakeEntity(&entitymatrix, ent->v->origin[0], ent->v->origin[1], ent->v->origin[2], -ent->v->angles[0], ent->v->angles[1], ent->v->angles[2], val->_float);
+                       Matrix4x4_Concat(out, &entitymatrix, &tagmatrix);
+                       out->m[0][3] = entitymatrix.m[0][3] + val->_float*(entitymatrix.m[0][0]*tagmatrix.m[0][3] + entitymatrix.m[0][1]*tagmatrix.m[1][3] + entitymatrix.m[0][2]*tagmatrix.m[2][3]);
+                       out->m[1][3] = entitymatrix.m[1][3] + val->_float*(entitymatrix.m[1][0]*tagmatrix.m[0][3] + entitymatrix.m[1][1]*tagmatrix.m[1][3] + entitymatrix.m[1][2]*tagmatrix.m[2][3]);
+                       out->m[2][3] = entitymatrix.m[2][3] + val->_float*(entitymatrix.m[2][0]*tagmatrix.m[0][3] + entitymatrix.m[2][1]*tagmatrix.m[1][3] + entitymatrix.m[2][2]*tagmatrix.m[2][3]);           
+                       Matrix4x4_Copy(&tagmatrix, out);
+
+                       // finally transformate by matrix of tag on parent entity
+                       Matrix4x4_Concat(out, &attachmatrix, &tagmatrix);
+                       out->m[0][3] = attachmatrix.m[0][3] + attachmatrix.m[0][0]*tagmatrix.m[0][3] + attachmatrix.m[0][1]*tagmatrix.m[1][3] + attachmatrix.m[0][2]*tagmatrix.m[2][3];
+                       out->m[1][3] = attachmatrix.m[1][3] + attachmatrix.m[1][0]*tagmatrix.m[0][3] + attachmatrix.m[1][1]*tagmatrix.m[1][3] + attachmatrix.m[1][2]*tagmatrix.m[2][3];
+                       out->m[2][3] = attachmatrix.m[2][3] + attachmatrix.m[2][0]*tagmatrix.m[0][3] + attachmatrix.m[2][1]*tagmatrix.m[1][3] + attachmatrix.m[2][2]*tagmatrix.m[2][3];         
+                       Matrix4x4_Copy(&tagmatrix, out);
+
+                       ent = attachent;
+                       attachloop += 1;
+                       if (attachloop > 255) // prevent runaway looping
+                               return 5;
+               } 
+               while ((val = GETEDICTFIELDVALUE(ent, eval_tag_entity)) && val->edict);
+       }
+
+       // normal or RENDER_VIEWMODEL entity (or main parent entity on attach chain)
+       val = GETEDICTFIELDVALUE(ent, eval_scale);
+       if (val->_float == 0)
+               val->_float = 1;
+       // Alias models have inverse pitch, bmodels can't have tags, so don't check for modeltype...
+       Matrix4x4_CreateFromQuakeEntity(&entitymatrix, ent->v->origin[0], ent->v->origin[1], ent->v->origin[2], -ent->v->angles[0], ent->v->angles[1], ent->v->angles[2], val->_float);
+       Matrix4x4_Concat(out, &entitymatrix, &tagmatrix);
+       out->m[0][3] = entitymatrix.m[0][3] + val->_float*(entitymatrix.m[0][0]*tagmatrix.m[0][3] + entitymatrix.m[0][1]*tagmatrix.m[1][3] + entitymatrix.m[0][2]*tagmatrix.m[2][3]);
+       out->m[1][3] = entitymatrix.m[1][3] + val->_float*(entitymatrix.m[1][0]*tagmatrix.m[0][3] + entitymatrix.m[1][1]*tagmatrix.m[1][3] + entitymatrix.m[1][2]*tagmatrix.m[2][3]);
+       out->m[2][3] = entitymatrix.m[2][3] + val->_float*(entitymatrix.m[2][0]*tagmatrix.m[0][3] + entitymatrix.m[2][1]*tagmatrix.m[1][3] + entitymatrix.m[2][2]*tagmatrix.m[2][3]);           
+
+       if ((val = GETEDICTFIELDVALUE(ent, eval_viewmodelforclient)) && val->edict)
+       {// RENDER_VIEWMODEL magic
+               Matrix4x4_Copy(&tagmatrix, out);
+               ent = EDICT_NUM(val->edict);
+
+               val = GETEDICTFIELDVALUE(ent, eval_scale);
+               if (val->_float == 0)
+                       val->_float = 1;
+
+               Matrix4x4_CreateFromQuakeEntity(&entitymatrix, ent->v->origin[0], ent->v->origin[1], ent->v->origin[2] + ent->v->view_ofs[2], ent->v->v_angle[0], ent->v->v_angle[1], ent->v->v_angle[2], val->_float);
+               Matrix4x4_Concat(out, &entitymatrix, &tagmatrix);
+               out->m[0][3] = entitymatrix.m[0][3] + val->_float*(entitymatrix.m[0][0]*tagmatrix.m[0][3] + entitymatrix.m[0][1]*tagmatrix.m[1][3] + entitymatrix.m[0][2]*tagmatrix.m[2][3]);
+               out->m[1][3] = entitymatrix.m[1][3] + val->_float*(entitymatrix.m[1][0]*tagmatrix.m[0][3] + entitymatrix.m[1][1]*tagmatrix.m[1][3] + entitymatrix.m[1][2]*tagmatrix.m[2][3]);
+               out->m[2][3] = entitymatrix.m[2][3] + val->_float*(entitymatrix.m[2][0]*tagmatrix.m[0][3] + entitymatrix.m[2][1]*tagmatrix.m[1][3] + entitymatrix.m[2][2]*tagmatrix.m[2][3]);           
+
+               /*
+               // Cl_bob, ported from rendering code
+               if (ent->v->health > 0 && cl_bob.value && cl_bobcycle.value)
+               {
+                       double bob, cycle;
+                       // LordHavoc: this code is *weird*, but not replacable (I think it
+                       // should be done in QC on the server, but oh well, quake is quake)
+                       // LordHavoc: figured out bobup: the time at which the sin is at 180
+                       // degrees (which allows lengthening or squishing the peak or valley)
+                       cycle = sv.time/cl_bobcycle.value;
+                       cycle -= (int)cycle;
+                       if (cycle < cl_bobup.value)
+                               cycle = sin(M_PI * cycle / cl_bobup.value);
+                       else
+                               cycle = sin(M_PI + M_PI * (cycle-cl_bobup.value)/(1.0 - cl_bobup.value));
+                       // bob is proportional to velocity in the xy plane
+                       // (don't count Z, or jumping messes it up)
+                       bob = sqrt(ent->v->velocity[0]*ent->v->velocity[0] + ent->v->velocity[1]*ent->v->velocity[1])*cl_bob.value;
+                       bob = bob*0.3 + bob*0.7*cycle;
+                       out->m[2][3] += bound(-7, bob, 4);
+               }
+               */
+       }
+       return 0;
+}
+
+//float(entity ent, string tagname) gettagindex;
+
+void PF_gettagindex (void)
+{
+       edict_t *ent = G_EDICT(OFS_PARM0);
+       char *tag_name = G_STRING(OFS_PARM1);
+       int modelindex, tag_index;
+
+       if (ent == sv.edicts)
+               PF_WARNING("gettagindex: can't affect world entity\n");
+       if (ent->e->free)
+               PF_WARNING("gettagindex: can't affect free entity\n");
+
+       modelindex = (int)ent->v->modelindex;
+       tag_index = 0;
+       if (modelindex <= 0 || modelindex > MAX_MODELS)
+               Con_DPrintf("gettagindex(entity #%i): null or non-precached model\n", NUM_FOR_EDICT(ent));
+       else
+       {
+               tag_index = SV_GetTagIndex(ent, tag_name);
+               if (tag_index == 0)
+                       Con_DPrintf("gettagindex(entity #%i): tag \"%s\" not found\n", NUM_FOR_EDICT(ent), tag_name);
+       }
+       G_FLOAT(OFS_RETURN) = tag_index;
+};
+
+//vector(entity ent, float tagindex) gettaginfo;
+void PF_gettaginfo (void)
+{
+       edict_t *e = G_EDICT(OFS_PARM0);
+       int tagindex = (int)G_FLOAT(OFS_PARM1);
+       matrix4x4_t tag_matrix;
+       int returncode;
+
+       returncode = SV_GetTagMatrix(&tag_matrix, e, tagindex);
+       Matrix4x4_ToVectors(&tag_matrix, pr_global_struct->v_forward, pr_global_struct->v_right, pr_global_struct->v_up, G_VECTOR(OFS_RETURN));
+
+       switch(returncode)
+       {
+               case 1:
+                       PF_WARNING("gettagindex: can't affect world entity\n");
+                       break;
+               case 2:
+                       PF_WARNING("gettagindex: can't affect free entity\n");
+                       break;
+               case 3:
+                       Con_DPrintf("SV_GetTagMatrix(entity #%i): null or non-precached model\n", NUM_FOR_EDICT(e));
+                       break;
+               case 4:
+                       Con_DPrintf("SV_GetTagMatrix(entity #%i): model has no tag with requested index %i\n", NUM_FOR_EDICT(e), tagindex);
+                       break;
+               case 5:
+                       Con_DPrintf("SV_GetTagMatrix(entity #%i): runaway loop at attachment chain\n", NUM_FOR_EDICT(e));
+                       break;
+       }
+}
+
 
 /////////////////////////////////////////
 // DP_QC_FS_SEARCH extension
@@ -3293,14 +3538,66 @@ void PF_cvar_string (void)
 
        str = G_STRING(OFS_PARM0);
        var = Cvar_FindVar (str);
-
-       tmp = PR_GetTempString();
-       strcpy(tmp, var->string);
-
+       if (var)
+       {
+               tmp = PR_GetTempString();
+               strcpy(tmp, var->string);
+       }
+       else
+               tmp = "";
        G_INT(OFS_RETURN) = PR_SetString(tmp);
 }
 
+//void(entity clent) dropclient (DP_SV_DROPCLIENT)
+void PF_dropclient (void)
+{
+       int clientnum;
+       client_t *oldhostclient;
+       clientnum = G_EDICTNUM(OFS_PARM0) - 1;
+       if (clientnum < 0 || clientnum >= svs.maxclients)
+               PF_WARNING("dropclient: not a client\n");
+       if (!svs.clients[clientnum].active)
+               PF_WARNING("dropclient: that client slot is not connected\n");
+       oldhostclient = host_client;
+       host_client = svs.clients + clientnum;
+       SV_DropClient(false);
+       host_client = oldhostclient;
+}
 
+//entity() spawnclient (DP_SV_BOTCLIENT)
+void PF_spawnclient (void)
+{
+       int i;
+       edict_t *ed;
+       pr_xfunction->builtinsprofile += 2;
+       ed = sv.edicts;
+       for (i = 0;i < svs.maxclients;i++)
+       {
+               if (!svs.clients[i].active)
+               {
+                       pr_xfunction->builtinsprofile += 100;
+                       SV_ConnectClient (i, NULL);
+                       ed = EDICT_NUM(i + 1);
+                       break;
+               }
+       }
+       RETURN_EDICT(ed);
+}
+
+//float(entity clent) clienttype (DP_SV_BOTCLIENT)
+void PF_clienttype (void)
+{
+       int clientnum;
+       clientnum = G_EDICTNUM(OFS_PARM0) - 1;
+       if (clientnum < 0 || clientnum >= svs.maxclients)
+               G_FLOAT(OFS_RETURN) = 3;
+       else if (!svs.clients[clientnum].active)
+               G_FLOAT(OFS_RETURN) = 0;
+       else if (svs.clients[clientnum].netconnection)
+               G_FLOAT(OFS_RETURN) = 1;
+       else
+               G_FLOAT(OFS_RETURN) = 2;
+}
 
 builtin_t pr_builtin[] =
 {
@@ -3345,7 +3642,7 @@ PF_floor,                                 // #37 float(float v) floor
 PF_ceil,                                       // #38 float(float v) ceil
 NULL,                                          // #39
 PF_checkbottom,                                // #40 float(entity e) checkbottom
-PF_pointcontents               ,       // #41 float(vector v) pointcontents
+PF_pointcontents,                      // #41 float(vector v) pointcontents
 NULL,                                          // #42
 PF_fabs,                                       // #43 float(float f) fabs
 PF_aim,                                                // #44 vector(entity e, float speed) aim
@@ -3472,18 +3769,18 @@ PF_clientcommand,                       // #440 void(entity e, string s) clientcommand (KRIMZON_SV_P
 PF_tokenize,                           // #441 float(string s) tokenize (KRIMZON_SV_PARSECLIENTCOMMAND)
 PF_argv,                                       // #442 string(float n) argv (KRIMZON_SV_PARSECLIENTCOMMAND)
 PF_setattachment,                      // #443 void(entity e, entity tagentity, string tagname) setattachment (DP_GFX_QUAKE3MODELTAGS)
-PF_search_begin,                       // #444
-PF_search_end,                         // #445
-PF_search_getsize,                     // #446
-PF_search_getfilename,         // #447
+PF_search_begin,                       // #444 float(string pattern, float caseinsensitive, float quiet) search_begin (DP_FS_SEARCH)
+PF_search_end,                         // #445 void(float handle) search_end (DP_FS_SEARCH)
+PF_search_getsize,                     // #446 float(float handle) search_getsize (DP_FS_SEARCH)
+PF_search_getfilename,         // #447 string(float handle, float num) search_getfilename (DP_FS_SEARCH)
 PF_cvar_string,                                // #448 string(string s) cvar_string (DP_QC_CVAR_STRING)
 PF_findflags,                          // #449 entity(entity start, .float fld, float match) findflags (DP_QC_FINDFLAGS)
 PF_findchainflags,                     // #450 entity(.float fld, float match) findchainflags (DP_QC_FINDCHAINFLAGS)
-NULL,                                          // #451
-NULL,                                          // #452
-NULL,                                          // #453
-NULL,                                          // #454
-NULL,                                          // #455
+PF_gettagindex,                                // #451 float(entity ent, string tagname) gettagindex (DP_QC_GETTAGINFO)
+PF_gettaginfo,                         // #452 vector(entity ent, float tagindex) gettaginfo (DP_QC_GETTAGINFO)
+PF_dropclient,                         // #453 void(entity clent) dropclient (DP_SV_DROPCLIENT)
+PF_spawnclient,                                // #454 entity() spawnclient (DP_SV_BOTCLIENT)
+PF_clienttype,                         // #455 float(entity clent) clienttype (DP_SV_BOTCLIENT)
 NULL,                                          // #456
 NULL,                                          // #457
 NULL,                                          // #458