]> git.xonotic.org Git - xonotic/darkplaces.git/blobdiff - cmd.c
Fix client version of ambientsound
[xonotic/darkplaces.git] / cmd.c
diff --git a/cmd.c b/cmd.c
index c9e5cb7b81df325bb915fecb2339c044069225bd..ea0b608eecfab77ade1a7bca311d3ce0ca4e85dc 100644 (file)
--- a/cmd.c
+++ b/cmd.c
@@ -20,35 +20,44 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 // cmd.c -- Quake script command processing module
 
 #include "quakedef.h"
+#include "thread.h"
 
-#define        MAX_ALIAS_NAME  32
-// this is the largest script file that can be executed in one step
-// LordHavoc: inreased this from 8192 to 32768
-// div0: increased this from 32k to 128k
-#define CMDBUFSIZE 131072
-// maximum number of parameters to a command
-#define        MAX_ARGS 80
-// maximum tokenizable commandline length (counting NUL terminations)
-#define CMD_TOKENIZELENGTH (MAX_INPUTLINE + MAX_ARGS)
-
-typedef struct cmdalias_s
-{
-       struct cmdalias_s *next;
-       char name[MAX_ALIAS_NAME];
-       char *value;
-} cmdalias_t;
+cmd_state_t cmd_client;
+cmd_state_t cmd_server;
+cmd_state_t cmd_serverfromclient;
 
-static cmdalias_t *cmd_alias;
+cmd_userdefined_t cmd_userdefined_all;
+cmd_userdefined_t cmd_userdefined_null;
 
-static qboolean cmd_wait;
+typedef struct cmd_iter_s {
+       cmd_state_t *cmd;
+}
+cmd_iter_t;
 
-static mempool_t *cmd_mempool;
+static cmd_iter_t cmd_iter_all[] = {
+       {&cmd_client},
+       {&cmd_server},
+       {&cmd_serverfromclient},
+       {NULL},
+};
 
-static char cmd_tokenizebuffer[CMD_TOKENIZELENGTH];
-static int cmd_tokenizebufferpos = 0;
+
+// we only run the +whatever commandline arguments once
+qboolean host_stuffcmdsrun = false;
 
 //=============================================================================
 
+void Cbuf_Lock(cmd_state_t *cmd)
+{
+       Thread_AtomicLock(&cmd->text_lock);
+}
+
+void Cbuf_Unlock(cmd_state_t *cmd)
+{
+       Thread_AtomicUnlock(&cmd->text_lock);
+}
+
+
 /*
 ============
 Cmd_Wait_f
@@ -58,20 +67,11 @@ next frame.  This allows commands like:
 bind g "impulse 5 ; +attack ; wait ; -attack ; impulse 2"
 ============
 */
-static void Cmd_Wait_f (void)
+static void Cmd_Wait_f (cmd_state_t *cmd)
 {
-       cmd_wait = true;
+       cmd->wait = true;
 }
 
-typedef struct cmddeferred_s
-{
-       struct cmddeferred_s *next;
-       char *value;
-       double time;
-} cmddeferred_t;
-
-static cmddeferred_t *cmd_deferred_list = NULL;
-
 /*
 ============
 Cmd_Defer_f
@@ -79,47 +79,46 @@ Cmd_Defer_f
 Cause a command to be executed after a delay.
 ============
 */
-static void Cmd_Defer_f (void)
+static void Cmd_Defer_f (cmd_state_t *cmd)
 {
-       if(Cmd_Argc() == 1)
+       if(Cmd_Argc(cmd) == 1)
        {
-               double time = Sys_DoubleTime();
-               cmddeferred_t *next = cmd_deferred_list;
+               cmddeferred_t *next = cmd->deferred_list;
                if(!next)
                        Con_Printf("No commands are pending.\n");
                while(next)
                {
-                       Con_Printf("-> In %9.2f: %s\n", next->time-time, next->value);
+                       Con_Printf("-> In %9.2f: %s\n", next->delay, next->value);
                        next = next->next;
                }
-       } else if(Cmd_Argc() == 2 && !strcasecmp("clear", Cmd_Argv(1)))
+       } else if(Cmd_Argc(cmd) == 2 && !strcasecmp("clear", Cmd_Argv(cmd, 1)))
        {
-               while(cmd_deferred_list)
+               while(cmd->deferred_list)
                {
-                       cmddeferred_t *cmd = cmd_deferred_list;
-                       cmd_deferred_list = cmd->next;
-                       Mem_Free(cmd->value);
-                       Mem_Free(cmd);
+                       cmddeferred_t *defcmd = cmd->deferred_list;
+                       cmd->deferred_list = defcmd->next;
+                       Mem_Free(defcmd->value);
+                       Mem_Free(defcmd);
                }
-       } else if(Cmd_Argc() == 3)
+       } else if(Cmd_Argc(cmd) == 3)
        {
-               const char *value = Cmd_Argv(2);
+               const char *value = Cmd_Argv(cmd, 2);
                cmddeferred_t *defcmd = (cmddeferred_t*)Mem_Alloc(tempmempool, sizeof(*defcmd));
                size_t len = strlen(value);
 
-               defcmd->time = Sys_DoubleTime() + atof(Cmd_Argv(1));
+               defcmd->delay = atof(Cmd_Argv(cmd, 1));
                defcmd->value = (char*)Mem_Alloc(tempmempool, len+1);
                memcpy(defcmd->value, value, len+1);
                defcmd->next = NULL;
 
-               if(cmd_deferred_list)
+               if(cmd->deferred_list)
                {
-                       cmddeferred_t *next = cmd_deferred_list;
+                       cmddeferred_t *next = cmd->deferred_list;
                        while(next->next)
                                next = next->next;
                        next->next = defcmd;
                } else
-                       cmd_deferred_list = defcmd;
+                       cmd->deferred_list = defcmd;
                /* Stupid me... this changes the order... so commands with the same delay go blub :S
                  defcmd->next = cmd_deferred_list;
                  cmd_deferred_list = defcmd;*/
@@ -137,20 +136,20 @@ Cmd_Centerprint_f
 Print something to the center of the screen using SCR_Centerprint
 ============
 */
-static void Cmd_Centerprint_f (void)
+static void Cmd_Centerprint_f (cmd_state_t *cmd)
 {
        char msg[MAX_INPUTLINE];
        unsigned int i, c, p;
-       c = Cmd_Argc();
+       c = Cmd_Argc(cmd);
        if(c >= 2)
        {
-               strlcpy(msg, Cmd_Argv(1), sizeof(msg));
+               strlcpy(msg, Cmd_Argv(cmd,1), sizeof(msg));
                for(i = 2; i < c; ++i)
                {
                        strlcat(msg, " ", sizeof(msg));
-                       strlcat(msg, Cmd_Argv(i), sizeof(msg));
+                       strlcat(msg, Cmd_Argv(cmd, i), sizeof(msg));
                }
-               c = strlen(msg);
+               c = (unsigned int)strlen(msg);
                for(p = 0, i = 0; i < c; ++i)
                {
                        if(msg[i] == '\\')
@@ -181,9 +180,6 @@ static void Cmd_Centerprint_f (void)
 =============================================================================
 */
 
-static sizebuf_t       cmd_text;
-static unsigned char           cmd_text_buf[CMDBUFSIZE];
-
 /*
 ============
 Cbuf_AddText
@@ -191,19 +187,18 @@ Cbuf_AddText
 Adds command text at the end of the buffer
 ============
 */
-void Cbuf_AddText (const char *text)
+void Cbuf_AddText (cmd_state_t *cmd, const char *text)
 {
        int             l;
 
-       l = (int)strlen (text);
+       l = (int)strlen(text);
 
-       if (cmd_text.cursize + l >= cmd_text.maxsize)
-       {
+       Cbuf_Lock(cmd);
+       if (cmd->text.maxsize - cmd->text.cursize <= l)
                Con_Print("Cbuf_AddText: overflow\n");
-               return;
-       }
-
-       SZ_Write (&cmd_text, (const unsigned char *)text, (int)strlen (text));
+       else
+               SZ_Write(&cmd->text, (const unsigned char *)text, l);
+       Cbuf_Unlock(cmd);
 }
 
 
@@ -216,31 +211,21 @@ Adds a \n to the text
 FIXME: actually change the command buffer to do less copying
 ============
 */
-void Cbuf_InsertText (const char *text)
+void Cbuf_InsertText (cmd_state_t *cmd, const char *text)
 {
-       char    *temp;
-       int             templen;
-
-       // copy off any commands still remaining in the exec buffer
-       templen = cmd_text.cursize;
-       if (templen)
-       {
-               temp = (char *)Mem_Alloc (tempmempool, templen);
-               memcpy (temp, cmd_text.data, templen);
-               SZ_Clear (&cmd_text);
-       }
+       size_t l = strlen(text);
+       Cbuf_Lock(cmd);
+       // we need to memmove the existing text and stuff this in before it...
+       if (cmd->text.cursize + l >= (size_t)cmd->text.maxsize)
+               Con_Print("Cbuf_InsertText: overflow\n");
        else
-               temp = NULL;
-
-       // add the entire text of the file
-       Cbuf_AddText (text);
-
-       // add the copied off data
-       if (temp != NULL)
        {
-               SZ_Write (&cmd_text, (const unsigned char *)temp, templen);
-               Mem_Free (temp);
+               // we don't have a SZ_Prepend, so...
+               memmove(cmd->text.data + l, cmd->text.data, cmd->text.cursize);
+               cmd->text.cursize += (int)l;
+               memcpy(cmd->text.data, text, l);
        }
+       Cbuf_Unlock(cmd);
 }
 
 /*
@@ -248,33 +233,39 @@ void Cbuf_InsertText (const char *text)
 Cbuf_Execute_Deferred --blub
 ============
 */
-void Cbuf_Execute_Deferred (void)
+static void Cbuf_Execute_Deferred (cmd_state_t *cmd)
 {
-       cmddeferred_t *cmd, *prev;
-       double time = Sys_DoubleTime();
+       cmddeferred_t *defcmd, *prev;
+       double eat;
+       if (host.realtime - cmd->deferred_oldrealtime < 0 || host.realtime - cmd->deferred_oldrealtime > 1800) cmd->deferred_oldrealtime = host.realtime;
+       eat = host.realtime - cmd->deferred_oldrealtime;
+       if (eat < (1.0 / 120.0))
+               return;
+       cmd->deferred_oldrealtime = host.realtime;
        prev = NULL;
-       cmd = cmd_deferred_list;
-       while(cmd)
+       defcmd = cmd->deferred_list;
+       while(defcmd)
        {
-               if(cmd->time <= time)
+               defcmd->delay -= eat;
+               if(defcmd->delay <= 0)
                {
-                       Cbuf_AddText(cmd->value);
-                       Cbuf_AddText(";\n");
-                       Mem_Free(cmd->value);
+                       Cbuf_AddText(cmd, defcmd->value);
+                       Cbuf_AddText(cmd, ";\n");
+                       Mem_Free(defcmd->value);
 
                        if(prev) {
-                               prev->next = cmd->next;
-                               Mem_Free(cmd);
-                               cmd = prev->next;
+                               prev->next = defcmd->next;
+                               Mem_Free(defcmd);
+                               defcmd = prev->next;
                        } else {
-                               cmd_deferred_list = cmd->next;
-                               Mem_Free(cmd);
-                               cmd = cmd_deferred_list;
+                               cmd->deferred_list = defcmd->next;
+                               Mem_Free(defcmd);
+                               defcmd = cmd->deferred_list;
                        }
                        continue;
                }
-               prev = cmd;
-               cmd = cmd->next;
+               prev = defcmd;
+               defcmd = defcmd->next;
        }
 }
 
@@ -283,36 +274,50 @@ void Cbuf_Execute_Deferred (void)
 Cbuf_Execute
 ============
 */
-static void Cmd_PreprocessString( const char *intext, char *outtext, unsigned maxoutlen, cmdalias_t *alias );
-void Cbuf_Execute (void)
+static qboolean Cmd_PreprocessString(cmd_state_t *cmd, const char *intext, char *outtext, unsigned maxoutlen, cmdalias_t *alias );
+void Cbuf_Execute (cmd_state_t *cmd)
 {
        int i;
        char *text;
        char line[MAX_INPUTLINE];
        char preprocessed[MAX_INPUTLINE];
        char *firstchar;
-       int quotes;
+       qboolean quotes;
+       char *comment;
 
-       // LordHavoc: making sure the tokenizebuffer doesn't get filled up by repeated crashes
-       cmd_tokenizebufferpos = 0;
+       // LadyHavoc: making sure the tokenizebuffer doesn't get filled up by repeated crashes
+       cmd->tokenizebufferpos = 0;
 
-       Cbuf_Execute_Deferred();
-       while (cmd_text.cursize)
+       while (cmd->text.cursize)
        {
 // find a \n or ; line break
-               text = (char *)cmd_text.data;
+               text = (char *)cmd->text.data;
 
-               quotes = 0;
-               for (i=0 ; i< cmd_text.cursize ; i++)
+               quotes = false;
+               comment = NULL;
+               for (i=0 ; i < cmd->text.cursize ; i++)
                {
-                       if (text[i] == '"')
-                               quotes ^= 1;
-                       // make sure i doesn't get > cursize which causes a negative
-                       // size in memmove, which is fatal --blub
-                       if (i < (cmd_text.cursize-1) && (text[i] == '\\' && (text[i+1] == '"' || text[i+1] == '\\')))
-                               i++;
-                       if ( !quotes &&  text[i] == ';')
-                               break;  // don't break if inside a quoted string
+                       if(!comment)
+                       {
+                               if (text[i] == '"')
+                                       quotes = !quotes;
+
+                               if(quotes)
+                               {
+                                       // make sure i doesn't get > cursize which causes a negative
+                                       // size in memmove, which is fatal --blub
+                                       if (i < (cmd->text.cursize-1) && (text[i] == '\\' && (text[i+1] == '"' || text[i+1] == '\\')))
+                                               i++;
+                               }
+                               else
+                               {
+                                       if(text[i] == '/' && text[i + 1] == '/' && (i == 0 || ISWHITESPACE(text[i-1])))
+                                               comment = &text[i];
+                                       if(text[i] == ';')
+                                               break;  // don't break if inside a quoted string or comment
+                               }
+                       }
+
                        if (text[i] == '\r' || text[i] == '\n')
                                break;
                }
@@ -320,55 +325,68 @@ void Cbuf_Execute (void)
                // better than CRASHING on overlong input lines that may SOMEHOW enter the buffer
                if(i >= MAX_INPUTLINE)
                {
-                       Con_Printf("Warning: console input buffer had an overlong line. Ignored.\n");
+                       Con_Warnf("Warning: console input buffer had an overlong line. Ignored.\n");
                        line[0] = 0;
                }
                else
                {
-                       memcpy (line, text, i);
-                       line[i] = 0;
+                       memcpy (line, text, comment ? (comment - text) : i);
+                       line[comment ? (comment - text) : i] = 0;
                }
 
 // delete the text from the command buffer and move remaining commands down
 // this is necessary because commands (exec, alias) can insert data at the
 // beginning of the text buffer
 
-               if (i == cmd_text.cursize)
-                       cmd_text.cursize = 0;
+               if (i == cmd->text.cursize)
+                       cmd->text.cursize = 0;
                else
                {
                        i++;
-                       cmd_text.cursize -= i;
-                       memmove (cmd_text.data, text+i, cmd_text.cursize);
+                       cmd->text.cursize -= i;
+                       memmove (cmd->text.data, text+i, cmd->text.cursize);
                }
 
 // execute the command line
-               firstchar = line + strspn(line, " \t");
+               firstchar = line;
+               while(*firstchar && ISWHITESPACE(*firstchar))
+                       ++firstchar;
                if(
-                       (strncmp(firstchar, "alias", 5) || (firstchar[5] != ' ' && firstchar[5] != '\t'))
+                       (strncmp(firstchar, "alias", 5) || !ISWHITESPACE(firstchar[5]))
                        &&
-                       (strncmp(firstchar, "bind", 4) || (firstchar[4] != ' ' && firstchar[4] != '\t'))
+                       (strncmp(firstchar, "bind", 4) || !ISWHITESPACE(firstchar[4]))
                        &&
-                       (strncmp(firstchar, "in_bind", 7) || (firstchar[7] != ' ' && firstchar[7] != '\t'))
+                       (strncmp(firstchar, "in_bind", 7) || !ISWHITESPACE(firstchar[7]))
                )
                {
-                       Cmd_PreprocessString( line, preprocessed, sizeof(preprocessed), NULL );
-                       Cmd_ExecuteString (preprocessed, src_command);
+                       if(Cmd_PreprocessString( cmd, line, preprocessed, sizeof(preprocessed), NULL ))
+                               Cmd_ExecuteString (cmd, preprocessed, src_command, false);
                }
                else
                {
-                       Cmd_ExecuteString (line, src_command);
+                       Cmd_ExecuteString (cmd, line, src_command, false);
                }
 
-               if (cmd_wait)
+               if (cmd->wait)
                {       // skip out while text still remains in buffer, leaving it
                        // for next frame
-                       cmd_wait = false;
+                       cmd->wait = false;
                        break;
                }
        }
 }
 
+void Cbuf_Frame(cmd_state_t *cmd)
+{
+       Cbuf_Execute_Deferred(cmd);
+       if (cmd->text.cursize)
+       {
+               SV_LockThreadMutex();
+               Cbuf_Execute(cmd);
+               SV_UnlockThreadMutex();
+       }
+}
+
 /*
 ==============================================================================
 
@@ -387,14 +405,17 @@ quake +prog jctest.qp +cmd amlev1
 quake -nosound +cmd amlev1
 ===============
 */
-qboolean host_stuffcmdsrun = false;
-void Cmd_StuffCmds_f (void)
+static void Cmd_StuffCmds_f (cmd_state_t *cmd)
 {
        int             i, j, l;
        // this is for all commandline options combined (and is bounds checked)
        char    build[MAX_INPUTLINE];
+       
+       // come back later so we don't crash
+       if(host.state == host_init)
+               return;
 
-       if (Cmd_Argc () != 1)
+       if (Cmd_Argc (cmd) != 1)
        {
                Con_Print("stuffcmds : execute command line parameters\n");
                return;
@@ -407,28 +428,28 @@ void Cmd_StuffCmds_f (void)
        host_stuffcmdsrun = true;
        build[0] = 0;
        l = 0;
-       for (i = 0;i < com_argc;i++)
+       for (i = 0;i < sys.argc;i++)
        {
-               if (com_argv[i] && com_argv[i][0] == '+' && (com_argv[i][1] < '0' || com_argv[i][1] > '9') && l + strlen(com_argv[i]) - 1 <= sizeof(build) - 1)
+               if (sys.argv[i] && sys.argv[i][0] == '+' && (sys.argv[i][1] < '0' || sys.argv[i][1] > '9') && l + strlen(sys.argv[i]) - 1 <= sizeof(build) - 1)
                {
                        j = 1;
-                       while (com_argv[i][j])
-                               build[l++] = com_argv[i][j++];
+                       while (sys.argv[i][j])
+                               build[l++] = sys.argv[i][j++];
                        i++;
-                       for (;i < com_argc;i++)
+                       for (;i < sys.argc;i++)
                        {
-                               if (!com_argv[i])
+                               if (!sys.argv[i])
                                        continue;
-                               if ((com_argv[i][0] == '+' || com_argv[i][0] == '-') && (com_argv[i][1] < '0' || com_argv[i][1] > '9'))
+                               if ((sys.argv[i][0] == '+' || sys.argv[i][0] == '-') && (sys.argv[i][1] < '0' || sys.argv[i][1] > '9'))
                                        break;
-                               if (l + strlen(com_argv[i]) + 4 > sizeof(build) - 1)
+                               if (l + strlen(sys.argv[i]) + 4 > sizeof(build) - 1)
                                        break;
                                build[l++] = ' ';
-                               if (strchr(com_argv[i], ' '))
+                               if (strchr(sys.argv[i], ' '))
                                        build[l++] = '\"';
-                               for (j = 0;com_argv[i][j];j++)
-                                       build[l++] = com_argv[i][j];
-                               if (strchr(com_argv[i], ' '))
+                               for (j = 0;sys.argv[i][j];j++)
+                                       build[l++] = sys.argv[i][j];
+                               if (strchr(sys.argv[i], ' '))
                                        build[l++] = '\"';
                        }
                        build[l++] = '\n';
@@ -438,44 +459,295 @@ void Cmd_StuffCmds_f (void)
        // now terminate the combined string and prepend it to the command buffer
        // we already reserved space for the terminator
        build[l++] = 0;
-       Cbuf_InsertText (build);
+       Cbuf_InsertText (cmd, build);
 }
 
-
-/*
-===============
-Cmd_Exec_f
-===============
-*/
-static void Cmd_Exec_f (void)
+static void Cmd_Exec(cmd_state_t *cmd, const char *filename)
 {
        char *f;
+       size_t filenameLen = strlen(filename);
+       qboolean isdefaultcfg =
+               !strcmp(filename, "default.cfg") ||
+               (filenameLen >= 12 && !strcmp(filename + filenameLen - 12, "/default.cfg"));
 
-       if (Cmd_Argc () != 2)
+       if (!strcmp(filename, "config.cfg"))
        {
-               Con_Print("exec <filename> : execute a script file\n");
-               return;
+               filename = CONFIGFILENAME;
+               if (COM_CheckParm("-noconfig"))
+                       return; // don't execute config.cfg
        }
 
-       f = (char *)FS_LoadFile (Cmd_Argv(1), tempmempool, false, NULL);
+       f = (char *)FS_LoadFile (filename, tempmempool, false, NULL);
        if (!f)
        {
-               Con_Printf("couldn't exec %s\n",Cmd_Argv(1));
+               Con_Printf("couldn't exec %s\n",filename);
                return;
        }
-       Con_Printf("execing %s\n",Cmd_Argv(1));
+       Con_Printf("execing %s\n",filename);
 
        // if executing default.cfg for the first time, lock the cvar defaults
        // it may seem backwards to insert this text BEFORE the default.cfg
        // but Cbuf_InsertText inserts before, so this actually ends up after it.
-       if (!strcmp(Cmd_Argv(1), "default.cfg"))
-               Cbuf_InsertText("\ncvar_lockdefaults\n");
+       if (isdefaultcfg)
+               Cbuf_InsertText(cmd, "\ncvar_lockdefaults\n");
 
        // insert newline after the text to make sure the last line is terminated (some text editors omit the trailing newline)
        // (note: insertion order here is backwards from execution order, so this adds it after the text, by calling it before...)
-       Cbuf_InsertText ("\n");
-       Cbuf_InsertText (f);
+       Cbuf_InsertText (cmd, "\n");
+       Cbuf_InsertText (cmd, f);
        Mem_Free(f);
+
+       if (isdefaultcfg)
+       {
+               // special defaults for specific games go here, these execute before default.cfg
+               // Nehahra pushable crates malfunction in some levels if this is on
+               // Nehahra NPC AI is confused by blowupfallenzombies
+               switch(gamemode)
+               {
+               case GAME_NORMAL:
+                       Cbuf_InsertText(cmd, "\n"
+"sv_gameplayfix_blowupfallenzombies 0\n"
+"sv_gameplayfix_findradiusdistancetobox 0\n"
+"sv_gameplayfix_grenadebouncedownslopes 0\n"
+"sv_gameplayfix_slidemoveprojectiles 0\n"
+"sv_gameplayfix_upwardvelocityclearsongroundflag 0\n"
+"sv_gameplayfix_setmodelrealbox 0\n"
+"sv_gameplayfix_droptofloorstartsolid 0\n"
+"sv_gameplayfix_droptofloorstartsolid_nudgetocorrect 0\n"
+"sv_gameplayfix_noairborncorpse 0\n"
+"sv_gameplayfix_noairborncorpse_allowsuspendeditems 0\n"
+"sv_gameplayfix_easierwaterjump 0\n"
+"sv_gameplayfix_delayprojectiles 0\n"
+"sv_gameplayfix_multiplethinksperframe 0\n"
+"sv_gameplayfix_fixedcheckwatertransition 0\n"
+"sv_gameplayfix_q1bsptracelinereportstexture 0\n"
+"sv_gameplayfix_swiminbmodels 0\n"
+"sv_gameplayfix_downtracesupportsongroundflag 0\n"
+"sys_ticrate 0.01388889\n"
+"r_shadow_gloss 1\n"
+"r_shadow_bumpscale_basetexture 0\n"
+"csqc_polygons_defaultmaterial_nocullface 0\n"
+                               );
+                       break;
+               case GAME_NEHAHRA:
+                       Cbuf_InsertText(cmd, "\n"
+"sv_gameplayfix_blowupfallenzombies 0\n"
+"sv_gameplayfix_findradiusdistancetobox 0\n"
+"sv_gameplayfix_grenadebouncedownslopes 0\n"
+"sv_gameplayfix_slidemoveprojectiles 0\n"
+"sv_gameplayfix_upwardvelocityclearsongroundflag 0\n"
+"sv_gameplayfix_setmodelrealbox 0\n"
+"sv_gameplayfix_droptofloorstartsolid 0\n"
+"sv_gameplayfix_droptofloorstartsolid_nudgetocorrect 0\n"
+"sv_gameplayfix_noairborncorpse 0\n"
+"sv_gameplayfix_noairborncorpse_allowsuspendeditems 0\n"
+"sv_gameplayfix_easierwaterjump 0\n"
+"sv_gameplayfix_delayprojectiles 0\n"
+"sv_gameplayfix_multiplethinksperframe 0\n"
+"sv_gameplayfix_fixedcheckwatertransition 0\n"
+"sv_gameplayfix_q1bsptracelinereportstexture 0\n"
+"sv_gameplayfix_swiminbmodels 0\n"
+"sv_gameplayfix_downtracesupportsongroundflag 0\n"
+"sys_ticrate 0.01388889\n"
+"r_shadow_gloss 1\n"
+"r_shadow_bumpscale_basetexture 0\n"
+"csqc_polygons_defaultmaterial_nocullface 0\n"
+                               );
+                       break;
+               // hipnotic mission pack has issues in their 'friendly monster' ai, which seem to attempt to attack themselves for some reason when findradius() returns non-solid entities.
+               // hipnotic mission pack has issues with bobbing water entities 'jittering' between different heights on alternate frames at the default 0.0138889 ticrate, 0.02 avoids this issue
+               // hipnotic mission pack has issues in their proximity mine sticking code, which causes them to bounce off.
+               case GAME_HIPNOTIC:
+               case GAME_QUOTH:
+                       Cbuf_InsertText(cmd, "\n"
+"sv_gameplayfix_blowupfallenzombies 0\n"
+"sv_gameplayfix_findradiusdistancetobox 0\n"
+"sv_gameplayfix_grenadebouncedownslopes 0\n"
+"sv_gameplayfix_slidemoveprojectiles 0\n"
+"sv_gameplayfix_upwardvelocityclearsongroundflag 0\n"
+"sv_gameplayfix_setmodelrealbox 0\n"
+"sv_gameplayfix_droptofloorstartsolid 0\n"
+"sv_gameplayfix_droptofloorstartsolid_nudgetocorrect 0\n"
+"sv_gameplayfix_noairborncorpse 0\n"
+"sv_gameplayfix_noairborncorpse_allowsuspendeditems 0\n"
+"sv_gameplayfix_easierwaterjump 0\n"
+"sv_gameplayfix_delayprojectiles 0\n"
+"sv_gameplayfix_multiplethinksperframe 0\n"
+"sv_gameplayfix_fixedcheckwatertransition 0\n"
+"sv_gameplayfix_q1bsptracelinereportstexture 0\n"
+"sv_gameplayfix_swiminbmodels 0\n"
+"sv_gameplayfix_downtracesupportsongroundflag 0\n"
+"sys_ticrate 0.02\n"
+"r_shadow_gloss 1\n"
+"r_shadow_bumpscale_basetexture 0\n"
+"csqc_polygons_defaultmaterial_nocullface 0\n"
+                               );
+                       break;
+               // rogue mission pack has a guardian boss that does not wake up if findradius returns one of the entities around its spawn area
+               case GAME_ROGUE:
+                       Cbuf_InsertText(cmd, "\n"
+"sv_gameplayfix_blowupfallenzombies 0\n"
+"sv_gameplayfix_findradiusdistancetobox 0\n"
+"sv_gameplayfix_grenadebouncedownslopes 0\n"
+"sv_gameplayfix_slidemoveprojectiles 0\n"
+"sv_gameplayfix_upwardvelocityclearsongroundflag 0\n"
+"sv_gameplayfix_setmodelrealbox 0\n"
+"sv_gameplayfix_droptofloorstartsolid 0\n"
+"sv_gameplayfix_droptofloorstartsolid_nudgetocorrect 0\n"
+"sv_gameplayfix_noairborncorpse 0\n"
+"sv_gameplayfix_noairborncorpse_allowsuspendeditems 0\n"
+"sv_gameplayfix_easierwaterjump 0\n"
+"sv_gameplayfix_delayprojectiles 0\n"
+"sv_gameplayfix_multiplethinksperframe 0\n"
+"sv_gameplayfix_fixedcheckwatertransition 0\n"
+"sv_gameplayfix_q1bsptracelinereportstexture 0\n"
+"sv_gameplayfix_swiminbmodels 0\n"
+"sv_gameplayfix_downtracesupportsongroundflag 0\n"
+"sys_ticrate 0.01388889\n"
+"r_shadow_gloss 1\n"
+"r_shadow_bumpscale_basetexture 0\n"
+"csqc_polygons_defaultmaterial_nocullface 0\n"
+                               );
+                       break;
+               case GAME_TENEBRAE:
+                       Cbuf_InsertText(cmd, "\n"
+"sv_gameplayfix_blowupfallenzombies 0\n"
+"sv_gameplayfix_findradiusdistancetobox 0\n"
+"sv_gameplayfix_grenadebouncedownslopes 0\n"
+"sv_gameplayfix_slidemoveprojectiles 0\n"
+"sv_gameplayfix_upwardvelocityclearsongroundflag 0\n"
+"sv_gameplayfix_setmodelrealbox 0\n"
+"sv_gameplayfix_droptofloorstartsolid 0\n"
+"sv_gameplayfix_droptofloorstartsolid_nudgetocorrect 0\n"
+"sv_gameplayfix_noairborncorpse 0\n"
+"sv_gameplayfix_noairborncorpse_allowsuspendeditems 0\n"
+"sv_gameplayfix_easierwaterjump 0\n"
+"sv_gameplayfix_delayprojectiles 0\n"
+"sv_gameplayfix_multiplethinksperframe 0\n"
+"sv_gameplayfix_fixedcheckwatertransition 0\n"
+"sv_gameplayfix_q1bsptracelinereportstexture 0\n"
+"sv_gameplayfix_swiminbmodels 0\n"
+"sv_gameplayfix_downtracesupportsongroundflag 0\n"
+"sys_ticrate 0.01388889\n"
+"r_shadow_gloss 2\n"
+"r_shadow_bumpscale_basetexture 4\n"
+"csqc_polygons_defaultmaterial_nocullface 0\n"
+                               );
+                       break;
+               case GAME_NEXUIZ:
+                       Cbuf_InsertText(cmd, "\n"
+"sv_gameplayfix_blowupfallenzombies 1\n"
+"sv_gameplayfix_findradiusdistancetobox 1\n"
+"sv_gameplayfix_grenadebouncedownslopes 1\n"
+"sv_gameplayfix_slidemoveprojectiles 1\n"
+"sv_gameplayfix_upwardvelocityclearsongroundflag 1\n"
+"sv_gameplayfix_setmodelrealbox 1\n"
+"sv_gameplayfix_droptofloorstartsolid 1\n"
+"sv_gameplayfix_droptofloorstartsolid_nudgetocorrect 1\n"
+"sv_gameplayfix_noairborncorpse 1\n"
+"sv_gameplayfix_noairborncorpse_allowsuspendeditems 1\n"
+"sv_gameplayfix_easierwaterjump 1\n"
+"sv_gameplayfix_delayprojectiles 1\n"
+"sv_gameplayfix_multiplethinksperframe 1\n"
+"sv_gameplayfix_fixedcheckwatertransition 1\n"
+"sv_gameplayfix_q1bsptracelinereportstexture 1\n"
+"sv_gameplayfix_swiminbmodels 1\n"
+"sv_gameplayfix_downtracesupportsongroundflag 1\n"
+"sys_ticrate 0.01388889\n"
+"sv_gameplayfix_q2airaccelerate 1\n"
+"sv_gameplayfix_stepmultipletimes 1\n"
+"csqc_polygons_defaultmaterial_nocullface 1\n"
+"con_chatsound_team_mask 13\n"
+                               );
+                       break;
+               case GAME_XONOTIC:
+               case GAME_VORETOURNAMENT:
+                       // compatibility for versions prior to 2020-05-25, this can be overridden in newer versions to get the default behavior and be consistent with FTEQW engine
+                       Cbuf_InsertText(cmd, "\n"
+"csqc_polygons_defaultmaterial_nocullface 1\n"
+"con_chatsound_team_mask 13\n"
+"sv_gameplayfix_customstats 1\n"
+                               );
+                       break;
+               // Steel Storm: Burning Retribution csqc misinterprets CSQC_InputEvent if type is a value other than 0 or 1
+               case GAME_STEELSTORM:
+                       Cbuf_InsertText(cmd, "\n"
+"sv_gameplayfix_blowupfallenzombies 1\n"
+"sv_gameplayfix_findradiusdistancetobox 1\n"
+"sv_gameplayfix_grenadebouncedownslopes 1\n"
+"sv_gameplayfix_slidemoveprojectiles 1\n"
+"sv_gameplayfix_upwardvelocityclearsongroundflag 1\n"
+"sv_gameplayfix_setmodelrealbox 1\n"
+"sv_gameplayfix_droptofloorstartsolid 1\n"
+"sv_gameplayfix_droptofloorstartsolid_nudgetocorrect 1\n"
+"sv_gameplayfix_noairborncorpse 1\n"
+"sv_gameplayfix_noairborncorpse_allowsuspendeditems 1\n"
+"sv_gameplayfix_easierwaterjump 1\n"
+"sv_gameplayfix_delayprojectiles 1\n"
+"sv_gameplayfix_multiplethinksperframe 1\n"
+"sv_gameplayfix_fixedcheckwatertransition 1\n"
+"sv_gameplayfix_q1bsptracelinereportstexture 1\n"
+"sv_gameplayfix_swiminbmodels 1\n"
+"sv_gameplayfix_downtracesupportsongroundflag 1\n"
+"sys_ticrate 0.01388889\n"
+"cl_csqc_generatemousemoveevents 0\n"
+"csqc_polygons_defaultmaterial_nocullface 1\n"
+                               );
+                       break;
+               default:
+                       Cbuf_InsertText(cmd, "\n"
+"sv_gameplayfix_blowupfallenzombies 1\n"
+"sv_gameplayfix_findradiusdistancetobox 1\n"
+"sv_gameplayfix_grenadebouncedownslopes 1\n"
+"sv_gameplayfix_slidemoveprojectiles 1\n"
+"sv_gameplayfix_upwardvelocityclearsongroundflag 1\n"
+"sv_gameplayfix_setmodelrealbox 1\n"
+"sv_gameplayfix_droptofloorstartsolid 1\n"
+"sv_gameplayfix_droptofloorstartsolid_nudgetocorrect 1\n"
+"sv_gameplayfix_noairborncorpse 1\n"
+"sv_gameplayfix_noairborncorpse_allowsuspendeditems 1\n"
+"sv_gameplayfix_easierwaterjump 1\n"
+"sv_gameplayfix_delayprojectiles 1\n"
+"sv_gameplayfix_multiplethinksperframe 1\n"
+"sv_gameplayfix_fixedcheckwatertransition 1\n"
+"sv_gameplayfix_q1bsptracelinereportstexture 1\n"
+"sv_gameplayfix_swiminbmodels 1\n"
+"sv_gameplayfix_downtracesupportsongroundflag 1\n"
+"sys_ticrate 0.01388889\n"
+"csqc_polygons_defaultmaterial_nocullface 0\n"
+                               );
+                       break;
+               }
+       }
+}
+
+/*
+===============
+Cmd_Exec_f
+===============
+*/
+static void Cmd_Exec_f (cmd_state_t *cmd)
+{
+       fssearch_t *s;
+       int i;
+
+       if (Cmd_Argc(cmd) != 2)
+       {
+               Con_Print("exec <filename> : execute a script file\n");
+               return;
+       }
+
+       s = FS_Search(Cmd_Argv(cmd, 1), true, true);
+       if(!s || !s->numfilenames)
+       {
+               Con_Printf("couldn't exec %s\n",Cmd_Argv(cmd, 1));
+               return;
+       }
+
+       for(i = 0; i < s->numfilenames; ++i)
+               Cmd_Exec(cmd, s->filenames[i]);
+
+       FS_FreeSearch(s);
 }
 
 
@@ -486,12 +758,12 @@ Cmd_Echo_f
 Just prints the rest of the line to the console
 ===============
 */
-static void Cmd_Echo_f (void)
+static void Cmd_Echo_f (cmd_state_t *cmd)
 {
        int             i;
 
-       for (i=1 ; i<Cmd_Argc() ; i++)
-               Con_Printf("%s ",Cmd_Argv(i));
+       for (i=1 ; i<Cmd_Argc(cmd) ; i++)
+               Con_Printf("%s ",Cmd_Argv(cmd, i));
        Con_Print("\n");
 }
 
@@ -504,10 +776,10 @@ Cmd_Toggle_f
 Toggles a specified console variable amongst the values specified (default is 0 and 1)
 ===============
 */
-static void Cmd_Toggle_f(void)
+static void Cmd_Toggle_f(cmd_state_t *cmd)
 {
        // Acquire Number of Arguments
-       int nNumArgs = Cmd_Argc();
+       int nNumArgs = Cmd_Argc(cmd);
 
        if(nNumArgs == 1)
                // No Arguments Specified; Print Usage
@@ -515,7 +787,7 @@ static void Cmd_Toggle_f(void)
        else
        { // Correct Arguments Specified
                // Acquire Potential CVar
-               cvar_t* cvCVar = Cvar_FindVar( Cmd_Argv(1) );
+               cvar_t* cvCVar = Cvar_FindVar(cmd->cvars, Cmd_Argv(cmd, 1), cmd->cvars_flagsmask);
 
                if(cvCVar != NULL)
                { // Valid CVar
@@ -529,13 +801,13 @@ static void Cmd_Toggle_f(void)
                        else
                        if(nNumArgs == 3)
                        { // 0 and Specified Usage
-                               if(cvCVar->integer == atoi(Cmd_Argv(2) ) )
+                               if(cvCVar->integer == atoi(Cmd_Argv(cmd, 2) ) )
                                        // CVar is Specified Value; // Reset to 0
                                        Cvar_SetValueQuick(cvCVar, 0);
                                else
                                if(cvCVar->integer == 0)
                                        // CVar is 0; Specify Value
-                                       Cvar_SetQuick(cvCVar, Cmd_Argv(2) );
+                                       Cvar_SetQuick(cvCVar, Cmd_Argv(cmd, 2) );
                                else
                                        // CVar does not match; Reset to 0
                                        Cvar_SetValueQuick(cvCVar, 0);
@@ -547,14 +819,14 @@ static void Cmd_Toggle_f(void)
 
                                for(nCnt = 2; nCnt < nNumArgs; nCnt++)
                                { // Cycle through Values
-                                       if( strcmp(cvCVar->string, Cmd_Argv(nCnt) ) == 0)
+                                       if( strcmp(cvCVar->string, Cmd_Argv(cmd, nCnt) ) == 0)
                                        { // Current Value Located; Increment to Next
                                                if( (nCnt + 1) == nNumArgs)
                                                        // Max Value Reached; Reset
-                                                       Cvar_SetQuick(cvCVar, Cmd_Argv(2) );
+                                                       Cvar_SetQuick(cvCVar, Cmd_Argv(cmd, 2) );
                                                else
                                                        // Next Value
-                                                       Cvar_SetQuick(cvCVar, Cmd_Argv(nCnt + 1) );
+                                                       Cvar_SetQuick(cvCVar, Cmd_Argv(cmd, nCnt + 1) );
 
                                                // End Loop
                                                nCnt = nNumArgs;
@@ -564,13 +836,13 @@ static void Cmd_Toggle_f(void)
                                }
                                if(!bFound)
                                        // Value not Found; Reset to Original
-                                       Cvar_SetQuick(cvCVar, Cmd_Argv(2) );
+                                       Cvar_SetQuick(cvCVar, Cmd_Argv(cmd, 2) );
                        }
 
                }
                else
                { // Invalid CVar
-                       Con_Printf("ERROR : CVar '%s' not found\n", Cmd_Argv(1) );
+                       Con_Printf("ERROR : CVar '%s' not found\n", Cmd_Argv(cmd, 1) );
                }
        }
 }
@@ -582,23 +854,23 @@ Cmd_Alias_f
 Creates a new command that executes a command string (possibly ; seperated)
 ===============
 */
-static void Cmd_Alias_f (void)
+static void Cmd_Alias_f (cmd_state_t *cmd)
 {
        cmdalias_t      *a;
-       char            cmd[MAX_INPUTLINE];
+       char            line[MAX_INPUTLINE];
        int                     i, c;
        const char              *s;
        size_t          alloclen;
 
-       if (Cmd_Argc() == 1)
+       if (Cmd_Argc(cmd) == 1)
        {
                Con_Print("Current alias commands:\n");
-               for (a = cmd_alias ; a ; a=a->next)
-                       Con_Printf("%s : %s\n", a->name, a->value);
+               for (a = cmd->userdefined->alias ; a ; a=a->next)
+                       Con_Printf("%s : %s", a->name, a->value);
                return;
        }
 
-       s = Cmd_Argv(1);
+       s = Cmd_Argv(cmd, 1);
        if (strlen(s) >= MAX_ALIAS_NAME)
        {
                Con_Print("Alias name is too long\n");
@@ -606,7 +878,7 @@ static void Cmd_Alias_f (void)
        }
 
        // if the alias already exists, reuse it
-       for (a = cmd_alias ; a ; a=a->next)
+       for (a = cmd->userdefined->alias ; a ; a=a->next)
        {
                if (!strcmp(s, a->name))
                {
@@ -622,65 +894,92 @@ static void Cmd_Alias_f (void)
                a = (cmdalias_t *)Z_Malloc (sizeof(cmdalias_t));
                strlcpy (a->name, s, sizeof (a->name));
                // insert it at the right alphanumeric position
-               for( prev = NULL, current = cmd_alias ; current && strcmp( current->name, a->name ) < 0 ; prev = current, current = current->next )
+               for( prev = NULL, current = cmd->userdefined->alias ; current && strcmp( current->name, a->name ) < 0 ; prev = current, current = current->next )
                        ;
                if( prev ) {
                        prev->next = a;
                } else {
-                       cmd_alias = a;
+                       cmd->userdefined->alias = a;
                }
                a->next = current;
        }
 
 
 // copy the rest of the command line
-       cmd[0] = 0;             // start out with a null string
-       c = Cmd_Argc();
-       for (i=2 ; i< c ; i++)
+       line[0] = 0;            // start out with a null string
+       c = Cmd_Argc(cmd);
+       for (i=2 ; i < c ; i++)
        {
-               strlcat (cmd, Cmd_Argv(i), sizeof (cmd));
-               if (i != c)
-                       strlcat (cmd, " ", sizeof (cmd));
+               if (i != 2)
+                       strlcat (line, " ", sizeof (line));
+               strlcat (line, Cmd_Argv(cmd, i), sizeof (line));
        }
-       strlcat (cmd, "\n", sizeof (cmd));
+       strlcat (line, "\n", sizeof (line));
 
-       alloclen = strlen (cmd) + 1;
+       alloclen = strlen (line) + 1;
+       if(alloclen >= 2)
+               line[alloclen - 2] = '\n'; // to make sure a newline is appended even if too long
        a->value = (char *)Z_Malloc (alloclen);
-       memcpy (a->value, cmd, alloclen);
+       memcpy (a->value, line, alloclen);
 }
 
 /*
-=============================================================================
-
-                                       COMMAND EXECUTION
+===============
+Cmd_UnAlias_f
 
-=============================================================================
+Remove existing aliases.
+===============
 */
-
-typedef struct cmd_function_s
+static void Cmd_UnAlias_f (cmd_state_t *cmd)
 {
-       struct cmd_function_s *next;
-       const char *name;
-       const char *description;
-       xcommand_t consolefunction;
-       xcommand_t clientfunction;
-       qboolean csqcfunc;
-} cmd_function_t;
+       cmdalias_t      *a, *p;
+       int i;
+       const char *s;
 
-static int cmd_argc;
-static const char *cmd_argv[MAX_ARGS];
-static const char *cmd_null_string = "";
-static const char *cmd_args;
-cmd_source_t cmd_source;
+       if(Cmd_Argc(cmd) == 1)
+       {
+               Con_Print("unalias: Usage: unalias alias1 [alias2 ...]\n");
+               return;
+       }
 
+       for(i = 1; i < Cmd_Argc(cmd); ++i)
+       {
+               s = Cmd_Argv(cmd, i);
+               p = NULL;
+               for(a = cmd->userdefined->alias; a; p = a, a = a->next)
+               {
+                       if(!strcmp(s, a->name))
+                       {
+                               if (a->initstate) // we can not remove init aliases
+                                       continue;
+                               if(a == cmd->userdefined->alias)
+                                       cmd->userdefined->alias = a->next;
+                               if(p)
+                                       p->next = a->next;
+                               Z_Free(a->value);
+                               Z_Free(a);
+                               break;
+                       }
+               }
+               if(!a)
+                       Con_Printf("unalias: %s alias not found\n", s);
+       }
+}
 
-static cmd_function_t *cmd_functions;          // possible commands to execute
+/*
+=============================================================================
 
-static const char *Cmd_GetDirectCvarValue(const char *varname, cmdalias_t *alias, qboolean *is_multiple)
+                                       COMMAND EXECUTION
+
+=============================================================================
+*/
+
+static const char *Cmd_GetDirectCvarValue(cmd_state_t *cmd, const char *varname, cmdalias_t *alias, qboolean *is_multiple)
 {
        cvar_t *cvar;
        long argno;
        char *endptr;
+       static char vabuf[1024]; // cmd_mutex
 
        if(is_multiple)
                *is_multiple = false;
@@ -694,7 +993,11 @@ static const char *Cmd_GetDirectCvarValue(const char *varname, cmdalias_t *alias
                {
                        if(is_multiple)
                                *is_multiple = true;
-                       return Cmd_Args();
+                       return Cmd_Args(cmd);
+               }
+               else if(!strcmp(varname, "#"))
+               {
+                       return va(vabuf, sizeof(vabuf), "%d", Cmd_Argc(cmd));
                }
                else if(varname[strlen(varname) - 1] == '-')
                {
@@ -702,7 +1005,7 @@ static const char *Cmd_GetDirectCvarValue(const char *varname, cmdalias_t *alias
                        if(endptr == varname + strlen(varname) - 1)
                        {
                                // whole string is a number, apart from the -
-                               const char *p = Cmd_Args();
+                               const char *p = Cmd_Args(cmd);
                                for(; argno > 1; --argno)
                                        if(!COM_ParseToken_Console(&p))
                                                break;
@@ -712,7 +1015,7 @@ static const char *Cmd_GetDirectCvarValue(const char *varname, cmdalias_t *alias
                                                *is_multiple = true;
 
                                        // kill pre-argument whitespace
-                                       for (;*p && *p <= ' ';p++)
+                                       for (;*p && ISWHITESPACE(*p);p++)
                                                ;
 
                                        return p;
@@ -726,77 +1029,86 @@ static const char *Cmd_GetDirectCvarValue(const char *varname, cmdalias_t *alias
                        {
                                // whole string is a number
                                // NOTE: we already made sure we don't have an empty cvar name!
-                               if(argno >= 0 && argno < Cmd_Argc())
-                                       return Cmd_Argv(argno);
+                               if(argno >= 0 && argno < Cmd_Argc(cmd))
+                                       return Cmd_Argv(cmd, argno);
                        }
                }
        }
 
-       if((cvar = Cvar_FindVar(varname)) && !(cvar->flags & CVAR_PRIVATE))
+       if((cvar = Cvar_FindVar(cmd->cvars, varname, cmd->cvars_flagsmask)) && !(cvar->flags & CVAR_PRIVATE))
                return cvar->string;
 
        return NULL;
 }
 
-qboolean Cmd_QuoteString(char *out, size_t outlen, const char *in, const char *quoteset)
+qboolean Cmd_QuoteString(char *out, size_t outlen, const char *in, const char *quoteset, qboolean putquotes)
 {
        qboolean quote_quot = !!strchr(quoteset, '"');
        qboolean quote_backslash = !!strchr(quoteset, '\\');
        qboolean quote_dollar = !!strchr(quoteset, '$');
 
+       if(putquotes)
+       {
+               if(outlen <= 2)
+               {
+                       *out++ = 0;
+                       return false;
+               }
+               *out++ = '"'; --outlen;
+               --outlen;
+       }
+
        while(*in)
        {
                if(*in == '"' && quote_quot)
                {
                        if(outlen <= 2)
-                       {
-                               *out++ = 0;
-                               return false;
-                       }
+                               goto fail;
                        *out++ = '\\'; --outlen;
                        *out++ = '"'; --outlen;
                }
                else if(*in == '\\' && quote_backslash)
                {
                        if(outlen <= 2)
-                       {
-                               *out++ = 0;
-                               return false;
-                       }
+                               goto fail;
                        *out++ = '\\'; --outlen;
                        *out++ = '\\'; --outlen;
                }
                else if(*in == '$' && quote_dollar)
                {
                        if(outlen <= 2)
-                       {
-                               *out++ = 0;
-                               return false;
-                       }
+                               goto fail;
                        *out++ = '$'; --outlen;
                        *out++ = '$'; --outlen;
                }
                else
                {
                        if(outlen <= 1)
-                       {
-                               *out++ = 0;
-                               return false;
-                       }
+                               goto fail;
                        *out++ = *in; --outlen;
                }
                ++in;
        }
+       if(putquotes)
+               *out++ = '"';
        *out++ = 0;
        return true;
+fail:
+       if(putquotes)
+               *out++ = '"';
+       *out++ = 0;
+       return false;
 }
 
-static const char *Cmd_GetCvarValue(const char *var, size_t varlen, cmdalias_t *alias)
+static const char *Cmd_GetCvarValue(cmd_state_t *cmd, const char *var, size_t varlen, cmdalias_t *alias)
 {
-       static char varname[MAX_INPUTLINE];
-       static char varval[MAX_INPUTLINE];
-       const char *varstr;
+       static char varname[MAX_INPUTLINE]; // cmd_mutex
+       static char varval[MAX_INPUTLINE]; // cmd_mutex
+       const char *varstr = NULL;
        char *varfunc;
+       qboolean required = false;
+       qboolean optional = false;
+       static char asis[] = "asis"; // just to suppress const char warnings
 
        if(varlen >= MAX_INPUTLINE)
                varlen = MAX_INPUTLINE - 1;
@@ -813,37 +1125,80 @@ static const char *Cmd_GetCvarValue(const char *var, size_t varlen, cmdalias_t *
        if(*var == 0)
        {
                // empty cvar name?
-               return NULL;
+               if(alias)
+                       Con_Warnf("Warning: Could not expand $ in alias %s\n", alias->name);
+               else
+                       Con_Warnf("Warning: Could not expand $\n");
+               return "$";
        }
 
-       varstr = NULL;
+       if(varfunc)
+       {
+               char *p;
+               // ? means optional
+               while((p = strchr(varfunc, '?')))
+               {
+                       optional = true;
+                       memmove(p, p+1, strlen(p)); // with final NUL
+               }
+               // ! means required
+               while((p = strchr(varfunc, '!')))
+               {
+                       required = true;
+                       memmove(p, p+1, strlen(p)); // with final NUL
+               }
+               // kill spaces
+               while((p = strchr(varfunc, ' ')))
+               {
+                       memmove(p, p+1, strlen(p)); // with final NUL
+               }
+               // if no function is left, NULL it
+               if(!*varfunc)
+                       varfunc = NULL;
+       }
 
        if(varname[0] == '$')
-               varstr = Cmd_GetDirectCvarValue(Cmd_GetDirectCvarValue(varname + 1, alias, NULL), alias, NULL);
+               varstr = Cmd_GetDirectCvarValue(cmd, Cmd_GetDirectCvarValue(cmd, varname + 1, alias, NULL), alias, NULL);
        else
        {
                qboolean is_multiple = false;
                // Exception: $* and $n- don't use the quoted form by default
-               varstr = Cmd_GetDirectCvarValue(varname, alias, &is_multiple);
+               varstr = Cmd_GetDirectCvarValue(cmd, varname, alias, &is_multiple);
                if(is_multiple)
                        if(!varfunc)
-                               varfunc = "asis";
+                               varfunc = asis;
        }
 
        if(!varstr)
        {
-               if(alias)
-                       Con_Printf("Warning: Could not expand $%s in alias %s\n", varname, alias->name);
+               if(required)
+               {
+                       if(alias)
+                               Con_Errorf("Error: Could not expand $%s in alias %s\n", varname, alias->name);
+                       else
+                               Con_Errorf("Error: Could not expand $%s\n", varname);
+                       return NULL;
+               }
+               else if(optional)
+               {
+                       return "";
+               }
                else
-                       Con_Printf("Warning: Could not expand $%s\n", varname);
-               return NULL;
+               {
+                       if(alias)
+                               Con_Warnf("Warning: Could not expand $%s in alias %s\n", varname, alias->name);
+                       else
+                               Con_Warnf("Warning: Could not expand $%s\n", varname);
+                       dpsnprintf(varval, sizeof(varval), "$%s", varname);
+                       return varval;
+               }
        }
 
        if(!varfunc || !strcmp(varfunc, "q")) // note: quoted form is default, use "asis" to override!
        {
                // quote it so it can be used inside double quotes
                // we just need to replace " by \", and of course, double backslashes
-               Cmd_QuoteString(varval, sizeof(varval), varstr, "\"\\");
+               Cmd_QuoteString(varval, sizeof(varval), varstr, "\"\\", false);
                return varval;
        }
        else if(!strcmp(varfunc, "asis"))
@@ -859,9 +1214,9 @@ static const char *Cmd_GetCvarValue(const char *var, size_t varlen, cmdalias_t *
 /*
 Cmd_PreprocessString
 
-Preprocesses strings and replaces $*, $param#, $cvar accordingly
+Preprocesses strings and replaces $*, $param#, $cvar accordingly. Also strips comments.
 */
-static void Cmd_PreprocessString( const char *intext, char *outtext, unsigned maxoutlen, cmdalias_t *alias ) {
+static qboolean Cmd_PreprocessString(cmd_state_t *cmd, const char *intext, char *outtext, unsigned maxoutlen, cmdalias_t *alias ) {
        const char *in;
        size_t eat, varlen;
        unsigned outlen;
@@ -869,7 +1224,7 @@ static void Cmd_PreprocessString( const char *intext, char *outtext, unsigned ma
 
        // don't crash if there's no room in the outtext buffer
        if( maxoutlen == 0 ) {
-               return;
+               return false;
        }
        maxoutlen--; // because of \0
 
@@ -890,6 +1245,10 @@ static void Cmd_PreprocessString( const char *intext, char *outtext, unsigned ma
                        //   that way)
                        // - ${var asis} inserts the cvar value as is, without doing this
                        //   quoting
+                       // - ${var ?} silently expands to the empty string if
+                       //   $var does not exist
+                       // - ${var !} fails expansion and executes nothing if
+                       //   $var does not exist
                        // - prefix the cvar name with a dollar sign to do indirection;
                        //   for example, if $x has the value timelimit, ${$x} will return
                        //   the value of $timelimit
@@ -900,6 +1259,7 @@ static void Cmd_PreprocessString( const char *intext, char *outtext, unsigned ma
                        //   parameters, without extra quoting, so one can use $* to just
                        //   pass all parameters around. All parameters starting from $n
                        //   can be referred to as $n- (so $* is equivalent to $1-).
+                       // - ${* q} and ${n- q} force quoting anyway
                        //
                        // Note: when expanding an alias, cvar expansion is done in the SAME step
                        // as alias expansion so that alias parameters or cvar values containing
@@ -935,7 +1295,9 @@ static void Cmd_PreprocessString( const char *intext, char *outtext, unsigned ma
                                varlen = strcspn(in + 1, "}");
                                if(in[varlen + 1] == '}')
                                {
-                                       val = Cmd_GetCvarValue(in + 1, varlen, alias);
+                                       val = Cmd_GetCvarValue(cmd, in + 1, varlen, alias);
+                                       if(!val)
+                                               return false;
                                        eat = varlen + 2;
                                }
                                else
@@ -945,8 +1307,10 @@ static void Cmd_PreprocessString( const char *intext, char *outtext, unsigned ma
                                        eat = varlen + 1;
                                }
                        } else {
-                               varlen = strspn(in, "*0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ_-");
-                               val = Cmd_GetCvarValue(in, varlen, alias);
+                               varlen = strspn(in, "#*0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ_-");
+                               val = Cmd_GetCvarValue(cmd, in, varlen, alias);
+                               if(!val)
+                                       return false;
                                eat = varlen;
                        }
                        if(val)
@@ -966,11 +1330,12 @@ static void Cmd_PreprocessString( const char *intext, char *outtext, unsigned ma
                                        --eat;
                                }
                        }
-               } else {
-                       outtext[outlen++] = *in++;
                }
+               else 
+                       outtext[outlen++] = *in++;
        }
        outtext[outlen] = 0;
+       return true;
 }
 
 /*
@@ -980,19 +1345,21 @@ Cmd_ExecuteAlias
 Called for aliases and fills in the alias into the cbuffer
 ============
 */
-static void Cmd_ExecuteAlias (cmdalias_t *alias)
+static void Cmd_ExecuteAlias (cmd_state_t *cmd, cmdalias_t *alias)
 {
-       static char buffer[ MAX_INPUTLINE ];
-       static char buffer2[ MAX_INPUTLINE ];
-       Cmd_PreprocessString( alias->value, buffer, sizeof(buffer) - 2, alias );
+       static char buffer[ MAX_INPUTLINE ]; // cmd_mutex
+       static char buffer2[ MAX_INPUTLINE ]; // cmd_mutex
+       qboolean ret = Cmd_PreprocessString( cmd, alias->value, buffer, sizeof(buffer) - 2, alias );
+       if(!ret)
+               return;
        // insert at start of command buffer, so that aliases execute in order
        // (fixes bug introduced by Black on 20050705)
 
        // Note: Cbuf_PreprocessString will be called on this string AGAIN! So we
        // have to make sure that no second variable expansion takes place, otherwise
        // alias parameters containing dollar signs can have bad effects.
-       Cmd_QuoteString(buffer2, sizeof(buffer2), buffer, "$");
-       Cbuf_InsertText( buffer2 );
+       Cmd_QuoteString(buffer2, sizeof(buffer2), buffer, "$", false);
+       Cbuf_InsertText(cmd, buffer2);
 }
 
 /*
@@ -1004,82 +1371,198 @@ Cmd_List
 
 ========
 */
-static void Cmd_List_f (void)
+static void Cmd_List_f (cmd_state_t *cmd)
 {
-       cmd_function_t *cmd;
+       cmd_function_t *func;
        const char *partial;
-       int len, count;
+       size_t len;
+       int count;
+       qboolean ispattern;
 
-       if (Cmd_Argc() > 1)
+       if (Cmd_Argc(cmd) > 1)
        {
-               partial = Cmd_Argv (1);
-               len = (int)strlen(partial);
+               partial = Cmd_Argv(cmd, 1);
+               len = strlen(partial);
+               ispattern = (strchr(partial, '*') || strchr(partial, '?'));
        }
        else
        {
                partial = NULL;
                len = 0;
+               ispattern = false;
        }
 
        count = 0;
-       for (cmd = cmd_functions; cmd; cmd = cmd->next)
+       for (func = cmd->userdefined->csqc_functions; func; func = func->next)
+       {
+               if (partial && (ispattern ? !matchpattern_with_separator(func->name, partial, false, "", false) : strncmp(partial, func->name, len)))
+                       continue;
+               Con_Printf("%s : %s\n", func->name, func->description);
+               count++;
+       }
+       for (func = cmd->engine_functions; func; func = func->next)
        {
-               if (partial && strncmp(partial, cmd->name, len))
+               if (partial && (ispattern ? !matchpattern_with_separator(func->name, partial, false, "", false) : strncmp(partial, func->name, len)))
                        continue;
-               Con_Printf("%s : %s\n", cmd->name, cmd->description);
+               Con_Printf("%s : %s\n", func->name, func->description);
                count++;
        }
 
-       if (partial)
-               Con_Printf("%i Command%s beginning with \"%s\"\n\n", count, (count > 1) ? "s" : "", partial);
+       if (len)
+       {
+               if(ispattern)
+                       Con_Printf("%i Command%s matching \"%s\"\n\n", count, (count > 1) ? "s" : "", partial);
+               else
+                       Con_Printf("%i Command%s beginning with \"%s\"\n\n", count, (count > 1) ? "s" : "", partial);
+       }
        else
                Con_Printf("%i Command%s\n\n", count, (count > 1) ? "s" : "");
 }
 
+static void Cmd_Apropos_f(cmd_state_t *cmd)
+{
+       cmd_function_t *func;
+       cvar_t *cvar;
+       cmdalias_t *alias;
+       const char *partial;
+       int count;
+       qboolean ispattern;
+       char vabuf[1024];
+
+       if (Cmd_Argc(cmd) > 1)
+               partial = Cmd_Args(cmd);
+       else
+       {
+               Con_Printf("usage: %s <string>\n",Cmd_Argv(cmd, 0));
+               return;
+       }
+
+       ispattern = partial && (strchr(partial, '*') || strchr(partial, '?'));
+       if(!ispattern)
+               partial = va(vabuf, sizeof(vabuf), "*%s*", partial);
+
+       count = 0;
+       for (cvar = cmd->cvars->vars; cvar; cvar = cvar->next)
+       {
+               if (matchpattern_with_separator(cvar->name, partial, true, "", false) ||
+                   matchpattern_with_separator(cvar->description, partial, true, "", false))
+               {
+                       Con_Printf ("cvar ");
+                       Cvar_PrintHelp(cvar, cvar->name, true);
+                       count++;
+               }
+               for (int i = 0; i < cvar->aliasindex; i++)
+               {
+                       if (matchpattern_with_separator(cvar->aliases[i], partial, true, "", false))
+                       {
+                               Con_Printf ("cvar ");
+                               Cvar_PrintHelp(cvar, cvar->aliases[i], true);
+                               count++;
+                       }
+               }
+       }
+       for (func = cmd->userdefined->csqc_functions; func; func = func->next)
+       {
+               if (!matchpattern_with_separator(func->name, partial, true, "", false))
+                       if (!matchpattern_with_separator(func->description, partial, true, "", false))
+                               continue;
+               Con_Printf("command ^2%s^7: %s\n", func->name, func->description);
+               count++;
+       }
+       for (func = cmd->engine_functions; func; func = func->next)
+       {
+               if (!matchpattern_with_separator(func->name, partial, true, "", false))
+               if (!matchpattern_with_separator(func->description, partial, true, "", false))
+                       continue;
+               Con_Printf("command ^2%s^7: %s\n", func->name, func->description);
+               count++;
+       }
+       for (alias = cmd->userdefined->alias; alias; alias = alias->next)
+       {
+               // procede here a bit differently as an alias value always got a final \n
+               if (!matchpattern_with_separator(alias->name, partial, true, "", false))
+               if (!matchpattern_with_separator(alias->value, partial, true, "\n", false)) // when \n is as separator wildcards don't match it
+                       continue;
+               Con_Printf("alias ^5%s^7: %s", alias->name, alias->value); // do not print an extra \n
+               count++;
+       }
+       Con_Printf("%i result%s\n\n", count, (count > 1) ? "s" : "");
+}
+
 /*
 ============
 Cmd_Init
 ============
 */
-void Cmd_Init (void)
+void Cmd_Init(void)
 {
-       cmd_mempool = Mem_AllocPool("commands", 0, NULL);
-       // space for commands and script files
-       cmd_text.data = cmd_text_buf;
-       cmd_text.maxsize = sizeof(cmd_text_buf);
-       cmd_text.cursize = 0;
-}
+       cmd_iter_t *cmd_iter;
+       for (cmd_iter = cmd_iter_all; cmd_iter->cmd; cmd_iter++)
+       {
+               cmd_state_t *cmd = cmd_iter->cmd;
+               cmd->mempool = Mem_AllocPool("commands", 0, NULL);
+               // space for commands and script files
+               cmd->text.data = cmd->text_buf;
+               cmd->text.maxsize = sizeof(cmd->text_buf);
+               cmd->text.cursize = 0;
+               cmd->null_string = "";
+       }
+       // client console can see server cvars because the user may start a server
+       cmd_client.cvars = &cvars_all;
+       cmd_client.cvars_flagsmask = CVAR_CLIENT | CVAR_SERVER;
+       cmd_client.cmd_flags = CMD_CLIENT | CMD_CLIENT_FROM_SERVER | CMD_SERVER_FROM_CLIENT;
+       cmd_client.userdefined = &cmd_userdefined_all;
+       // dedicated server console can only see server cvars, there is no client
+       cmd_server.cvars = &cvars_all;
+       cmd_server.cvars_flagsmask = CVAR_SERVER;
+       cmd_server.cmd_flags = CMD_SERVER;
+       cmd_server.userdefined = &cmd_userdefined_all;
+       // server commands received from clients have no reason to access cvars, cvar expansion seems perilous.
+       cmd_serverfromclient.cvars = &cvars_null;
+       cmd_serverfromclient.cvars_flagsmask = 0;
+       cmd_serverfromclient.cmd_flags = CMD_SERVER_FROM_CLIENT | CMD_USERINFO;
+       cmd_serverfromclient.userdefined = &cmd_userdefined_null;
 
-void Cmd_Init_Commands (void)
-{
 //
 // register our commands
 //
-       Cmd_AddCommand ("stuffcmds",Cmd_StuffCmds_f, "execute commandline parameters (must be present in quake.rc script)");
-       Cmd_AddCommand ("exec",Cmd_Exec_f, "execute a script file");
-       Cmd_AddCommand ("echo",Cmd_Echo_f, "print a message to the console (useful in scripts)");
-       Cmd_AddCommand ("alias",Cmd_Alias_f, "create a script function (parameters are passed in as $1 through $9, and $* for all parameters)");
-       Cmd_AddCommand ("cmd", Cmd_ForwardToServer, "send a console commandline to the server (used by some mods)");
-       Cmd_AddCommand ("wait", Cmd_Wait_f, "make script execution wait for next rendered frame");
-       Cmd_AddCommand ("set", Cvar_Set_f, "create or change the value of a console variable");
-       Cmd_AddCommand ("seta", Cvar_SetA_f, "create or change the value of a console variable that will be saved to config.cfg");
+       // client-only commands
+       Cmd_AddCommand(CMD_CLIENT | CMD_CLIENT_FROM_SERVER, "cmd", Cmd_ForwardToServer_f, "send a console commandline to the server (used by some mods)");
+       Cmd_AddCommand(CMD_SHARED, "wait", Cmd_Wait_f, "make script execution wait for next rendered frame");
+       Cmd_AddCommand(CMD_CLIENT, "cprint", Cmd_Centerprint_f, "print something at the screen center");
+
+       // maintenance commands used for upkeep of cvars and saved configs
+       Cmd_AddCommand(CMD_SHARED, "stuffcmds", Cmd_StuffCmds_f, "execute commandline parameters (must be present in quake.rc script)");
+       Cmd_AddCommand(CMD_SHARED, "cvar_lockdefaults", Cvar_LockDefaults_f, "stores the current values of all cvars into their default values, only used once during startup after parsing default.cfg");
+       Cmd_AddCommand(CMD_SHARED, "cvar_resettodefaults_all", Cvar_ResetToDefaults_All_f, "sets all cvars to their locked default values");
+       Cmd_AddCommand(CMD_SHARED, "cvar_resettodefaults_nosaveonly", Cvar_ResetToDefaults_NoSaveOnly_f, "sets all non-saved cvars to their locked default values (variables that will not be saved to config.cfg)");
+       Cmd_AddCommand(CMD_SHARED, "cvar_resettodefaults_saveonly", Cvar_ResetToDefaults_SaveOnly_f, "sets all saved cvars to their locked default values (variables that will be saved to config.cfg)");
+
+       // general console commands used in multiple environments
+       Cmd_AddCommand(CMD_SHARED, "exec", Cmd_Exec_f, "execute a script file");
+       Cmd_AddCommand(CMD_SHARED, "echo",Cmd_Echo_f, "print a message to the console (useful in scripts)");
+       Cmd_AddCommand(CMD_SHARED, "alias",Cmd_Alias_f, "create a script function (parameters are passed in as $X (being X a number), $* for all parameters, $X- for all parameters starting from $X). Without arguments show the list of all alias");
+       Cmd_AddCommand(CMD_SHARED, "unalias",Cmd_UnAlias_f, "remove an alias");
+       Cmd_AddCommand(CMD_SHARED, "set", Cvar_Set_f, "create or change the value of a console variable");
+       Cmd_AddCommand(CMD_SHARED, "seta", Cvar_SetA_f, "create or change the value of a console variable that will be saved to config.cfg");
+       Cmd_AddCommand(CMD_SHARED, "unset", Cvar_Del_f, "delete a cvar (does not work for static ones like _cl_name, or read-only ones)");
+
+#ifdef FILLALLCVARSWITHRUBBISH
+       Cmd_AddCommand(CMD_SHARED, "fillallcvarswithrubbish", Cvar_FillAll_f, "fill all cvars with a specified number of characters to provoke buffer overruns");
+#endif /* FILLALLCVARSWITHRUBBISH */
 
        // 2000-01-09 CmdList, CvarList commands By Matthias "Maddes" Buecher
        // Added/Modified by EvilTypeGuy eviltypeguy@qeradiant.com
-       Cmd_AddCommand ("cmdlist", Cmd_List_f, "lists all console commands beginning with the specified prefix");
-       Cmd_AddCommand ("cvarlist", Cvar_List_f, "lists all console variables beginning with the specified prefix");
-
-       Cmd_AddCommand ("cvar_lockdefaults", Cvar_LockDefaults_f, "stores the current values of all cvars into their default values, only used once during startup after parsing default.cfg");
-       Cmd_AddCommand ("cvar_resettodefaults_all", Cvar_ResetToDefaults_All_f, "sets all cvars to their locked default values");
-       Cmd_AddCommand ("cvar_resettodefaults_nosaveonly", Cvar_ResetToDefaults_NoSaveOnly_f, "sets all non-saved cvars to their locked default values (variables that will not be saved to config.cfg)");
-       Cmd_AddCommand ("cvar_resettodefaults_saveonly", Cvar_ResetToDefaults_SaveOnly_f, "sets all saved cvars to their locked default values (variables that will be saved to config.cfg)");
+       Cmd_AddCommand(CMD_SHARED, "cmdlist", Cmd_List_f, "lists all console commands beginning with the specified prefix or matching the specified wildcard pattern");
+       Cmd_AddCommand(CMD_SHARED, "cvarlist", Cvar_List_f, "lists all console variables beginning with the specified prefix or matching the specified wildcard pattern");
+       Cmd_AddCommand(CMD_SHARED, "apropos", Cmd_Apropos_f, "lists all console variables/commands/aliases containing the specified string in the name or description");
+       Cmd_AddCommand(CMD_SHARED, "find", Cmd_Apropos_f, "lists all console variables/commands/aliases containing the specified string in the name or description");
 
-       Cmd_AddCommand ("cprint", Cmd_Centerprint_f, "print something at the screen center");
-       Cmd_AddCommand ("defer", Cmd_Defer_f, "execute a command in the future");
+       Cmd_AddCommand(CMD_SHARED, "defer", Cmd_Defer_f, "execute a command in the future");
 
        // DRESK - 5/14/06
        // Support Doom3-style Toggle Command
-       Cmd_AddCommand( "toggle", Cmd_Toggle_f, "toggles a console variable's values (use for more info)");
+       Cmd_AddCommand(CMD_SHARED | CMD_CLIENT_FROM_SERVER, "toggle", Cmd_Toggle_f, "toggles a console variable's values (use for more info)");
 }
 
 /*
@@ -1089,7 +1572,19 @@ Cmd_Shutdown
 */
 void Cmd_Shutdown(void)
 {
-       Mem_FreePool(&cmd_mempool);
+       cmd_iter_t *cmd_iter;
+       for (cmd_iter = cmd_iter_all; cmd_iter->cmd; cmd_iter++)
+       {
+               cmd_state_t *cmd = cmd_iter->cmd;
+
+               if (cmd->text_lock)
+               {
+                       // we usually have this locked when we get here from Host_Quit_f
+                       Cbuf_Unlock(cmd);
+               }
+
+               Mem_FreePool(&cmd->mempool);
+       }
 }
 
 /*
@@ -1097,9 +1592,9 @@ void Cmd_Shutdown(void)
 Cmd_Argc
 ============
 */
-int            Cmd_Argc (void)
+int            Cmd_Argc (cmd_state_t *cmd)
 {
-       return cmd_argc;
+       return cmd->argc;
 }
 
 /*
@@ -1107,11 +1602,11 @@ int             Cmd_Argc (void)
 Cmd_Argv
 ============
 */
-const char *Cmd_Argv (int arg)
+const char *Cmd_Argv(cmd_state_t *cmd, int arg)
 {
-       if (arg >= cmd_argc )
-               return cmd_null_string;
-       return cmd_argv[arg];
+       if (arg >= cmd->argc )
+               return cmd->null_string;
+       return cmd->argv[arg];
 }
 
 /*
@@ -1119,9 +1614,9 @@ const char *Cmd_Argv (int arg)
 Cmd_Args
 ============
 */
-const char *Cmd_Args (void)
+const char *Cmd_Args (cmd_state_t *cmd)
 {
-       return cmd_args;
+       return cmd->args;
 }
 
 
@@ -1133,17 +1628,17 @@ Parses the given string into command line tokens.
 ============
 */
 // AK: This function should only be called from ExcuteString because the current design is a bit of an hack
-static void Cmd_TokenizeString (const char *text)
+static void Cmd_TokenizeString (cmd_state_t *cmd, const char *text)
 {
        int l;
 
-       cmd_argc = 0;
-       cmd_args = NULL;
+       cmd->argc = 0;
+       cmd->args = NULL;
 
        while (1)
        {
                // skip whitespace up to a /n
-               while (*text && *text <= ' ' && *text != '\r' && *text != '\n')
+               while (*text && ISWHITESPACE(*text) && *text != '\r' && *text != '\n')
                        text++;
 
                // line endings:
@@ -1162,24 +1657,24 @@ static void Cmd_TokenizeString (const char *text)
                if (!*text)
                        return;
 
-               if (cmd_argc == 1)
-                       cmd_args = text;
+               if (cmd->argc == 1)
+                       cmd->args = text;
 
                if (!COM_ParseToken_Console(&text))
                        return;
 
-               if (cmd_argc < MAX_ARGS)
+               if (cmd->argc < MAX_ARGS)
                {
                        l = (int)strlen(com_token) + 1;
-                       if (cmd_tokenizebufferpos + l > CMD_TOKENIZELENGTH)
+                       if (cmd->tokenizebufferpos + l > CMD_TOKENIZELENGTH)
                        {
-                               Con_Printf("Cmd_TokenizeString: ran out of %i character buffer space for command arguements\n", CMD_TOKENIZELENGTH);
+                               Con_Printf("Cmd_TokenizeString: ran out of %i character buffer space for command arguments\n", CMD_TOKENIZELENGTH);
                                break;
                        }
-                       memcpy (cmd_tokenizebuffer + cmd_tokenizebufferpos, com_token, l);
-                       cmd_argv[cmd_argc] = cmd_tokenizebuffer + cmd_tokenizebufferpos;
-                       cmd_tokenizebufferpos += l;
-                       cmd_argc++;
+                       memcpy (cmd->tokenizebuffer + cmd->tokenizebufferpos, com_token, l);
+                       cmd->argv[cmd->argc] = cmd->tokenizebuffer + cmd->tokenizebufferpos;
+                       cmd->tokenizebufferpos += l;
+                       cmd->argc++;
                }
        }
 }
@@ -1190,59 +1685,98 @@ static void Cmd_TokenizeString (const char *text)
 Cmd_AddCommand
 ============
 */
-void Cmd_AddCommand_WithClientCommand (const char *cmd_name, xcommand_t consolefunction, xcommand_t clientfunction, const char *description)
+void Cmd_AddCommand(int flags, const char *cmd_name, xcommand_t function, const char *description)
 {
-       cmd_function_t *cmd;
+       cmd_function_t *func;
        cmd_function_t *prev, *current;
+       cmd_state_t *cmd;
+       xcommand_t save = NULL;
+       int i;
 
-// fail if the command is a variable name
-       if (Cvar_FindVar( cmd_name ))
-       {
-               Con_Printf("Cmd_AddCommand: %s already defined as a var\n", cmd_name);
-               return;
-       }
-
-// fail if the command already exists
-       for (cmd=cmd_functions ; cmd ; cmd=cmd->next)
+       for (i = 0; i < 3; i++)
        {
-               if (!strcmp (cmd_name, cmd->name))
+               cmd = cmd_iter_all[i].cmd;
+               if (flags & cmd->cmd_flags)
                {
-                       if (consolefunction || clientfunction)
+                       if(cmd == &cmd_client && (flags & CMD_SERVER_FROM_CLIENT) && !(flags & CMD_CLIENT))
                        {
-                               Con_Printf("Cmd_AddCommand: %s already defined\n", cmd_name);
-                               return;
+                               save = function;
+                               function = Cmd_ForwardToServer_f;
                        }
-                       else    //[515]: csqc
+                       // fail if the command is a variable name
+                       if (Cvar_FindVar(cmd->cvars, cmd_name, ~0))
                        {
-                               cmd->csqcfunc = true;
+                               Con_Printf("Cmd_AddCommand: %s already defined as a var\n", cmd_name);
                                return;
                        }
-               }
-       }
 
-       cmd = (cmd_function_t *)Mem_Alloc(cmd_mempool, sizeof(cmd_function_t));
-       cmd->name = cmd_name;
-       cmd->consolefunction = consolefunction;
-       cmd->clientfunction = clientfunction;
-       cmd->description = description;
-       if(!consolefunction && !clientfunction)                 //[515]: csqc
-               cmd->csqcfunc = true;
-       cmd->next = cmd_functions;
-
-// insert it at the right alphanumeric position
-       for( prev = NULL, current = cmd_functions ; current && strcmp( current->name, cmd->name ) < 0 ; prev = current, current = current->next )
-               ;
-       if( prev ) {
-               prev->next = cmd;
-       } else {
-               cmd_functions = cmd;
-       }
-       cmd->next = current;
-}
+                       if (function)
+                       {
+                               // fail if the command already exists in this interpreter
+                               for (func = cmd->engine_functions; func; func = func->next)
+                               {
+                                       if (!strcmp(cmd_name, func->name))
+                                       {
+                                               Con_Printf("Cmd_AddCommand: %s already defined\n", cmd_name);
+                                               goto next;
+                                       }
+                               }
 
-void Cmd_AddCommand (const char *cmd_name, xcommand_t function, const char *description)
-{
-       Cmd_AddCommand_WithClientCommand (cmd_name, function, NULL, description);
+                               func = (cmd_function_t *)Mem_Alloc(cmd->mempool, sizeof(cmd_function_t));
+                               func->flags = flags;
+                               func->name = cmd_name;
+                               func->function = function;
+                               func->description = description;
+                               func->next = cmd->engine_functions;
+
+                               // insert it at the right alphanumeric position
+                               for (prev = NULL, current = cmd->engine_functions; current && strcmp(current->name, func->name) < 0; prev = current, current = current->next)
+                                       ;
+                               if (prev) {
+                                       prev->next = func;
+                               }
+                               else {
+                                       cmd->engine_functions = func;
+                               }
+                               func->next = current;
+                       }
+                       else
+                       {
+                               // mark csqcfunc if the function already exists in the csqc_functions list
+                               for (func = cmd->userdefined->csqc_functions; func; func = func->next)
+                               {
+                                       if (!strcmp(cmd_name, func->name))
+                                       {
+                                               func->csqcfunc = true; //[515]: csqc
+                                               continue;
+                                       }
+                               }
+
+
+                               func = (cmd_function_t *)Mem_Alloc(cmd->mempool, sizeof(cmd_function_t));
+                               func->name = cmd_name;
+                               func->function = function;
+                               func->description = description;
+                               func->csqcfunc = true; //[515]: csqc
+                               func->next = cmd->userdefined->csqc_functions;
+
+                               // insert it at the right alphanumeric position
+                               for (prev = NULL, current = cmd->userdefined->csqc_functions; current && strcmp(current->name, func->name) < 0; prev = current, current = current->next)
+                                       ;
+                               if (prev) {
+                                       prev->next = func;
+                               }
+                               else {
+                                       cmd->userdefined->csqc_functions = func;
+                               }
+                               func->next = current;
+                       }
+                       if (save)
+                               function = save;
+               }
+next:
+               continue;
+       }
 }
 
 /*
@@ -1250,12 +1784,16 @@ void Cmd_AddCommand (const char *cmd_name, xcommand_t function, const char *desc
 Cmd_Exists
 ============
 */
-qboolean Cmd_Exists (const char *cmd_name)
+qboolean Cmd_Exists (cmd_state_t *cmd, const char *cmd_name)
 {
-       cmd_function_t  *cmd;
+       cmd_function_t  *func;
+
+       for (func = cmd->userdefined->csqc_functions; func; func = func->next)
+               if (!strcmp(cmd_name, func->name))
+                       return true;
 
-       for (cmd=cmd_functions ; cmd ; cmd=cmd->next)
-               if (!strcmp (cmd_name,cmd->name))
+       for (func=cmd->engine_functions ; func ; func=func->next)
+               if (!strcmp (cmd_name,func->name))
                        return true;
 
        return false;
@@ -1267,9 +1805,9 @@ qboolean Cmd_Exists (const char *cmd_name)
 Cmd_CompleteCommand
 ============
 */
-const char *Cmd_CompleteCommand (const char *partial)
+const char *Cmd_CompleteCommand (cmd_state_t *cmd, const char *partial)
 {
-       cmd_function_t *cmd;
+       cmd_function_t *func;
        size_t len;
 
        len = strlen(partial);
@@ -1278,9 +1816,13 @@ const char *Cmd_CompleteCommand (const char *partial)
                return NULL;
 
 // check functions
-       for (cmd = cmd_functions; cmd; cmd = cmd->next)
-               if (!strncasecmp(partial, cmd->name, len))
-                       return cmd->name;
+       for (func = cmd->userdefined->csqc_functions; func; func = func->next)
+               if (!strncasecmp(partial, func->name, len))
+                       return func->name;
+
+       for (func = cmd->engine_functions; func; func = func->next)
+               if (!strncasecmp(partial, func->name, len))
+                       return func->name;
 
        return NULL;
 }
@@ -1294,9 +1836,9 @@ const char *Cmd_CompleteCommand (const char *partial)
        Thanks to taniwha
 
 */
-int Cmd_CompleteCountPossible (const char *partial)
+int Cmd_CompleteCountPossible (cmd_state_t *cmd, const char *partial)
 {
-       cmd_function_t *cmd;
+       cmd_function_t *func;
        size_t len;
        int h;
 
@@ -1307,8 +1849,12 @@ int Cmd_CompleteCountPossible (const char *partial)
                return 0;
 
        // Loop through the command list and count all partial matches
-       for (cmd = cmd_functions; cmd; cmd = cmd->next)
-               if (!strncasecmp(partial, cmd->name, len))
+       for (func = cmd->userdefined->csqc_functions; func; func = func->next)
+               if (!strncasecmp(partial, func->name, len))
+                       h++;
+
+       for (func = cmd->engine_functions; func; func = func->next)
+               if (!strncasecmp(partial, func->name, len))
                        h++;
 
        return h;
@@ -1323,34 +1869,40 @@ int Cmd_CompleteCountPossible (const char *partial)
        Thanks to taniwha
 
 */
-const char **Cmd_CompleteBuildList (const char *partial)
+const char **Cmd_CompleteBuildList (cmd_state_t *cmd, const char *partial)
 {
-       cmd_function_t *cmd;
+       cmd_function_t *func;
        size_t len = 0;
        size_t bpos = 0;
-       size_t sizeofbuf = (Cmd_CompleteCountPossible (partial) + 1) * sizeof (const char *);
+       size_t sizeofbuf = (Cmd_CompleteCountPossible (cmd, partial) + 1) * sizeof (const char *);
        const char **buf;
 
        len = strlen(partial);
        buf = (const char **)Mem_Alloc(tempmempool, sizeofbuf + sizeof (const char *));
-       // Loop through the alias list and print all matches
-       for (cmd = cmd_functions; cmd; cmd = cmd->next)
-               if (!strncasecmp(partial, cmd->name, len))
-                       buf[bpos++] = cmd->name;
+       // Loop through the functions lists and print all matches
+       for (func = cmd->userdefined->csqc_functions; func; func = func->next)
+               if (!strncasecmp(partial, func->name, len))
+                       buf[bpos++] = func->name;
+       for (func = cmd->engine_functions; func; func = func->next)
+               if (!strncasecmp(partial, func->name, len))
+                       buf[bpos++] = func->name;
 
        buf[bpos] = NULL;
        return buf;
 }
 
-// written by LordHavoc
-void Cmd_CompleteCommandPrint (const char *partial)
+// written by LadyHavoc
+void Cmd_CompleteCommandPrint (cmd_state_t *cmd, const char *partial)
 {
-       cmd_function_t *cmd;
+       cmd_function_t *func;
        size_t len = strlen(partial);
        // Loop through the command list and print all matches
-       for (cmd = cmd_functions; cmd; cmd = cmd->next)
-               if (!strncasecmp(partial, cmd->name, len))
-                       Con_Printf("%s : %s\n", cmd->name, cmd->description);
+       for (func = cmd->userdefined->csqc_functions; func; func = func->next)
+               if (!strncasecmp(partial, func->name, len))
+                       Con_Printf("^2%s^7: %s\n", func->name, func->description);
+       for (func = cmd->engine_functions; func; func = func->next)
+               if (!strncasecmp(partial, func->name, len))
+                       Con_Printf("^2%s^7: %s\n", func->name, func->description);
 }
 
 /*
@@ -1362,7 +1914,7 @@ void Cmd_CompleteCommandPrint (const char *partial)
        Thanks to taniwha
 
 */
-const char *Cmd_CompleteAlias (const char *partial)
+const char *Cmd_CompleteAlias (cmd_state_t *cmd, const char *partial)
 {
        cmdalias_t *alias;
        size_t len;
@@ -1373,22 +1925,22 @@ const char *Cmd_CompleteAlias (const char *partial)
                return NULL;
 
        // Check functions
-       for (alias = cmd_alias; alias; alias = alias->next)
+       for (alias = cmd->userdefined->alias; alias; alias = alias->next)
                if (!strncasecmp(partial, alias->name, len))
                        return alias->name;
 
        return NULL;
 }
 
-// written by LordHavoc
-void Cmd_CompleteAliasPrint (const char *partial)
+// written by LadyHavoc
+void Cmd_CompleteAliasPrint (cmd_state_t *cmd, const char *partial)
 {
        cmdalias_t *alias;
        size_t len = strlen(partial);
        // Loop through the alias list and print all matches
-       for (alias = cmd_alias; alias; alias = alias->next)
+       for (alias = cmd->userdefined->alias; alias; alias = alias->next)
                if (!strncasecmp(partial, alias->name, len))
-                       Con_Printf("%s : %s\n", alias->name, alias->value);
+                       Con_Printf("^5%s^7: %s", alias->name, alias->value);
 }
 
 
@@ -1401,7 +1953,7 @@ void Cmd_CompleteAliasPrint (const char *partial)
        Thanks to taniwha
 
 */
-int Cmd_CompleteAliasCountPossible (const char *partial)
+int Cmd_CompleteAliasCountPossible (cmd_state_t *cmd, const char *partial)
 {
        cmdalias_t      *alias;
        size_t          len;
@@ -1415,7 +1967,7 @@ int Cmd_CompleteAliasCountPossible (const char *partial)
                return 0;
 
        // Loop through the command list and count all partial matches
-       for (alias = cmd_alias; alias; alias = alias->next)
+       for (alias = cmd->userdefined->alias; alias; alias = alias->next)
                if (!strncasecmp(partial, alias->name, len))
                        h++;
 
@@ -1431,18 +1983,18 @@ int Cmd_CompleteAliasCountPossible (const char *partial)
        Thanks to taniwha
 
 */
-const char **Cmd_CompleteAliasBuildList (const char *partial)
+const char **Cmd_CompleteAliasBuildList (cmd_state_t *cmd, const char *partial)
 {
        cmdalias_t *alias;
        size_t len = 0;
        size_t bpos = 0;
-       size_t sizeofbuf = (Cmd_CompleteAliasCountPossible (partial) + 1) * sizeof (const char *);
+       size_t sizeofbuf = (Cmd_CompleteAliasCountPossible (cmd, partial) + 1) * sizeof (const char *);
        const char **buf;
 
        len = strlen(partial);
        buf = (const char **)Mem_Alloc(tempmempool, sizeofbuf + sizeof (const char *));
        // Loop through the alias list and print all matches
-       for (alias = cmd_alias; alias; alias = alias->next)
+       for (alias = cmd->userdefined->alias; alias; alias = alias->next)
                if (!strncasecmp(partial, alias->name, len))
                        buf[bpos++] = alias->name;
 
@@ -1450,14 +2002,22 @@ const char **Cmd_CompleteAliasBuildList (const char *partial)
        return buf;
 }
 
-void Cmd_ClearCsqcFuncs (void)
+// TODO: Make this more generic?
+void Cmd_ClearCSQCCommands (cmd_state_t *cmd)
 {
-       cmd_function_t *cmd;
-       for (cmd=cmd_functions ; cmd ; cmd=cmd->next)
-               cmd->csqcfunc = false;
+       cmd_function_t *func;
+       cmd_function_t **next = &cmd->userdefined->csqc_functions;
+       
+       while(*next)
+       {
+               func = *next;
+               *next = func->next;
+               Z_Free(func);
+       }
 }
 
-qboolean CL_VM_ConsoleCommand (const char *cmd);
+extern cvar_t sv_cheats;
+
 /*
 ============
 Cmd_ExecuteString
@@ -1466,97 +2026,83 @@ A complete command line has been parsed, so try to execute it
 FIXME: lookupnoadd the token to speed search?
 ============
 */
-void Cmd_ExecuteString (const char *text, cmd_source_t src)
+void Cmd_ExecuteString (cmd_state_t *cmd, const char *text, cmd_source_t src, qboolean lockmutex)
 {
        int oldpos;
-       int found;
-       cmd_function_t *cmd;
+       cmd_function_t *func;
        cmdalias_t *a;
+       if (lockmutex)
+               Cbuf_Lock(cmd);
+       oldpos = cmd->tokenizebufferpos;
+       cmd->source = src;
 
-       oldpos = cmd_tokenizebufferpos;
-       cmd_source = src;
-       found = false;
-
-       Cmd_TokenizeString (text);
+       Cmd_TokenizeString (cmd, text);
 
 // execute the command line
-       if (!Cmd_Argc())
+       if (!Cmd_Argc(cmd))
+               goto done; // no tokens
+
+// check functions
+       for (func = cmd->userdefined->csqc_functions; func; func = func->next)
        {
-               cmd_tokenizebufferpos = oldpos;
-               return;         // no tokens
+               if (!strcasecmp(cmd->argv[0], func->name))
+               {
+                       if (func->csqcfunc && CL_VM_ConsoleCommand(text))       //[515]: csqc
+                               goto done;
+                       break;
+               }
        }
 
-// check functions
-       for (cmd=cmd_functions ; cmd ; cmd=cmd->next)
+       for (func = cmd->engine_functions; func; func=func->next)
        {
-               if (!strcasecmp (cmd_argv[0],cmd->name))
+               if (!strcasecmp (cmd->argv[0], func->name))
                {
-                       if (cmd->csqcfunc && CL_VM_ConsoleCommand (text))       //[515]: csqc
-                               return;
                        switch (src)
                        {
                        case src_command:
-                               if (cmd->consolefunction)
-                                       cmd->consolefunction ();
-                               else if (cmd->clientfunction)
-                               {
-                                       if (cls.state == ca_connected)
-                                       {
-                                               // forward remote commands to the server for execution
-                                               Cmd_ForwardToServer();
-                                       }
-                                       else
-                                               Con_Printf("Can not send command \"%s\", not connected.\n", Cmd_Argv(0));
-                               }
+                               if (func->function)
+                                       func->function(cmd);
                                else
-                                       Con_Printf("Command \"%s\" can not be executed\n", Cmd_Argv(0));
-                               found = true;
-                               goto command_found;
-                               break;
+                                       Con_Printf("Command \"%s\" can not be executed\n", Cmd_Argv(cmd, 0));
+                               goto done;
                        case src_client:
-                               if (cmd->clientfunction)
+                               if (func->function)
                                {
-                                       cmd->clientfunction ();
-                                       cmd_tokenizebufferpos = oldpos;
-                                       return;
+                                       if((func->flags & CMD_CHEAT) && !sv_cheats.integer)
+                                               SV_ClientPrintf("No cheats allowed. The server must have sv_cheats set to 1\n");
+                                       else
+                                               func->function(cmd);
+                                       goto done;
                                }
-                               break;
                        }
                        break;
                }
        }
-command_found:
 
        // if it's a client command and no command was found, say so.
-       if (cmd_source == src_client)
+       if (cmd->source == src_client)
        {
-               Con_Printf("player \"%s\" tried to %s\n", host_client->name, text);
-               cmd_tokenizebufferpos = oldpos;
-               return;
+               Con_Printf("Client \"%s\" tried to execute \"%s\"\n", host_client->name, text);
+               goto done;
        }
 
 // check alias
-       for (a=cmd_alias ; a ; a=a->next)
+       for (a=cmd->userdefined->alias ; a ; a=a->next)
        {
-               if (!strcasecmp (cmd_argv[0], a->name))
+               if (!strcasecmp (cmd->argv[0], a->name))
                {
-                       Cmd_ExecuteAlias(a);
-                       cmd_tokenizebufferpos = oldpos;
-                       return;
+                       Cmd_ExecuteAlias(cmd, a);
+                       goto done;
                }
        }
 
-       if(found) // if the command was hooked and found, all is good
-       {
-               cmd_tokenizebufferpos = oldpos;
-               return;
-       }
-
 // check cvars
-       if (!Cvar_Command () && host_framecount > 0)
-               Con_Printf("Unknown command \"%s\"\n", Cmd_Argv(0));
-
-       cmd_tokenizebufferpos = oldpos;
+       if (!Cvar_Command(cmd) && host.framecount > 0)
+               Con_Printf("Unknown command \"%s\"\n", Cmd_Argv(cmd, 0));
+done:
+       cmd->tokenizebufferpos = oldpos;
+       if (lockmutex)
+               Cbuf_Unlock(cmd);
 }
 
 
@@ -1579,7 +2125,7 @@ void Cmd_ForwardStringToServer (const char *s)
        if (!cls.netcon)
                return;
 
-       // LordHavoc: thanks to Fuh for bringing the pure evil of SZ_Print to my
+       // LadyHavoc: thanks to Fuh for bringing the pure evil of SZ_Print to my
        // attention, it has been eradicated from here, its only (former) use in
        // all of darkplaces.
        if (cls.protocol == PROTOCOL_QUAKEWORLD)
@@ -1674,7 +2220,7 @@ void Cmd_ForwardStringToServer (const char *s)
                                        break;
                                }
                                // write the resulting text
-                               SZ_Write(&cls.netcon->message, (unsigned char *)temp, strlen(temp));
+                               SZ_Write(&cls.netcon->message, (unsigned char *)temp, (int)strlen(temp));
                                s += 2;
                                continue;
                        }
@@ -1694,18 +2240,19 @@ Cmd_ForwardToServer
 Sends the entire command line over to the server
 ===================
 */
-void Cmd_ForwardToServer (void)
+void Cmd_ForwardToServer_f (cmd_state_t *cmd)
 {
        const char *s;
-       if (!strcasecmp(Cmd_Argv(0), "cmd"))
+       char vabuf[1024];
+       if (!strcasecmp(Cmd_Argv(cmd, 0), "cmd"))
        {
                // we want to strip off "cmd", so just send the args
-               s = Cmd_Argc() > 1 ? Cmd_Args() : "";
+               s = Cmd_Argc(cmd) > 1 ? Cmd_Args(cmd) : "";
        }
        else
        {
-               // we need to keep the command name, so send Cmd_Argv(0), a space and then Cmd_Args()
-               s = va("%s %s", Cmd_Argv(0), Cmd_Argc() > 1 ? Cmd_Args() : "");
+               // we need to keep the command name, so send Cmd_Argv(cmd, 0), a space and then Cmd_Args(cmd)
+               s = va(vabuf, sizeof(vabuf), "%s %s", Cmd_Argv(cmd, 0), Cmd_Argc(cmd) > 1 ? Cmd_Args(cmd) : "");
        }
        // don't send an empty forward message if the user tries "cmd" by itself
        if (!s || !*s)
@@ -1723,7 +2270,7 @@ where the given parameter apears, or 0 if not present
 ================
 */
 
-int Cmd_CheckParm (const char *parm)
+int Cmd_CheckParm (cmd_state_t *cmd, const char *parm)
 {
        int i;
 
@@ -1733,10 +2280,92 @@ int Cmd_CheckParm (const char *parm)
                return 0;
        }
 
-       for (i = 1; i < Cmd_Argc (); i++)
-               if (!strcasecmp (parm, Cmd_Argv (i)))
+       for (i = 1; i < Cmd_Argc (cmd); i++)
+               if (!strcasecmp (parm, Cmd_Argv(cmd, i)))
                        return i;
 
        return 0;
 }
 
+
+
+void Cmd_SaveInitState(void)
+{
+       cmd_iter_t *cmd_iter;
+       for (cmd_iter = cmd_iter_all; cmd_iter->cmd; cmd_iter++)
+       {
+               cmd_state_t *cmd = cmd_iter->cmd;
+               cmd_function_t *f;
+               cmdalias_t *a;
+               for (f = cmd->userdefined->csqc_functions; f; f = f->next)
+                       f->initstate = true;
+               for (f = cmd->engine_functions; f; f = f->next)
+                       f->initstate = true;
+               for (a = cmd->userdefined->alias; a; a = a->next)
+               {
+                       a->initstate = true;
+                       a->initialvalue = Mem_strdup(zonemempool, a->value);
+               }
+       }
+       Cvar_SaveInitState(&cvars_all);
+}
+
+void Cmd_RestoreInitState(void)
+{
+       cmd_iter_t *cmd_iter;
+       for (cmd_iter = cmd_iter_all; cmd_iter->cmd; cmd_iter++)
+       {
+               cmd_state_t *cmd = cmd_iter->cmd;
+               cmd_function_t *f, **fp;
+               cmdalias_t *a, **ap;
+               for (fp = &cmd->userdefined->csqc_functions; (f = *fp);)
+               {
+                       if (f->initstate)
+                               fp = &f->next;
+                       else
+                       {
+                               // destroy this command, it didn't exist at init
+                               Con_DPrintf("Cmd_RestoreInitState: Destroying command %s\n", f->name);
+                               *fp = f->next;
+                               Z_Free(f);
+                       }
+               }
+               for (fp = &cmd->engine_functions; (f = *fp);)
+               {
+                       if (f->initstate)
+                               fp = &f->next;
+                       else
+                       {
+                               // destroy this command, it didn't exist at init
+                               Con_DPrintf("Cmd_RestoreInitState: Destroying command %s\n", f->name);
+                               *fp = f->next;
+                               Z_Free(f);
+                       }
+               }
+               for (ap = &cmd->userdefined->alias; (a = *ap);)
+               {
+                       if (a->initstate)
+                       {
+                               // restore this alias, it existed at init
+                               if (strcmp(a->value ? a->value : "", a->initialvalue ? a->initialvalue : ""))
+                               {
+                                       Con_DPrintf("Cmd_RestoreInitState: Restoring alias %s\n", a->name);
+                                       if (a->value)
+                                               Z_Free(a->value);
+                                       a->value = Mem_strdup(zonemempool, a->initialvalue);
+                               }
+                               ap = &a->next;
+                       }
+                       else
+                       {
+                               // free this alias, it didn't exist at init...
+                               Con_DPrintf("Cmd_RestoreInitState: Destroying alias %s\n", a->name);
+                               *ap = a->next;
+                               if (a->value)
+                                       Z_Free(a->value);
+                               Z_Free(a);
+                       }
+               }
+       }
+       Cvar_RestoreInitState(&cvars_all);
+}