* (bug 3495) Add support for message censorship (cue "finally!")

5 files changed, 167 insertions, 6 deletions

diff --git a/src/game/g_client.c b/src/game/g_client.c
index 0bf70230..2ac76c73 100644
--- a/src/game/g_client.c
+++ b/src/game/g_client.c
@@ -1061,8 +1061,8 @@ char *ClientUserinfoChanged( int clientNum, qboolean forceName )
     }
     else
     {
-      Q_strncpyz( client->pers.netname, newname,
-        sizeof( client->pers.netname ) );
+      G_CensorString( client->pers.netname, newname,
+        sizeof( client->pers.netname ), ent );
       if( !forceName && client->pers.connected == CON_CONNECTED )
       {
         client->pers.namelog->nameChangeTime = level.time;
diff --git a/src/game/g_cmds.c b/src/game/g_cmds.c
index 390c6a5b..13d27f4f 100644
--- a/src/game/g_cmds.c
+++ b/src/game/g_cmds.c
@@ -642,6 +642,152 @@ void Cmd_Team_f( gentity_t *ent )
   G_ChangeTeam( ent, team );
 }
 
+/*
+==================
+G_CensorString
+==================
+*/
+static char censors[ 20000 ];
+static int numcensors;
+
+void G_LoadCensors( void )
+{
+  char *text_p, *token;
+  char text[ 20000 ];
+  char *term;
+  int  len;
+  fileHandle_t f;
+
+  numcensors = 0;
+
+  if( !g_censorship.string[ 0 ] )
+    return;
+
+  len = trap_FS_FOpenFile( g_censorship.string, &f, FS_READ );
+  if( len < 0 )
+  {
+    Com_Printf( S_COLOR_RED "ERROR: Censors file %s doesn't exist\n",
+      g_censorship.string );
+    return;
+  }
+  if( len == 0 || len >= sizeof( text ) - 1 )
+  {
+    trap_FS_FCloseFile( f );
+    Com_Printf( S_COLOR_RED "ERROR: Censors file %s is %s\n",
+      g_censorship.string, len == 0 ? "empty" : "too long" );
+    return;
+  }
+  trap_FS_Read( text, len, f );
+  trap_FS_FCloseFile( f );
+  text[ len ] = 0;
+
+  term = censors;
+
+  text_p = text;
+  while( 1 )
+  {
+    token = COM_Parse( &text_p );
+    if( !*token || sizeof( censors ) - ( term - censors ) < 4 )
+      break;
+    Q_strncpyz( term, token, sizeof( censors ) - ( term - censors ) );
+    Q_strlwr( term );
+    term += strlen( term ) + 1;
+    if( sizeof( censors ) - ( term - censors ) == 0 )
+      break;
+    token = COM_ParseExt( &text_p, qfalse );
+    Q_strncpyz( term, token, sizeof( censors ) - ( term - censors ) );
+    term += strlen( term ) + 1;
+    numcensors++;
+  }
+  G_Printf( "Parsed %d string replacements\n", numcensors );
+}
+
+void G_CensorString( char *out, const char *in, int len, gentity_t *ent )
+{
+  const char *s, *m;
+  int  i;
+
+  if( !numcensors || G_admin_permission( ent, ADMF_NOCENSORFLOOD) )
+  {
+    Q_strncpyz( out, in, len );
+    return;
+  }
+
+  len--;
+  while( *in )
+  {
+    if( Q_IsColorString( in ) )
+    {
+      if( len < 2 )
+        break;
+      *out++ = *in++;
+      *out++ = *in++;
+      len -= 2;
+      continue;
+    }
+    if( !isalnum( *in ) )
+    {
+      if( len < 1 )
+        break;
+      *out++ = *in++;
+      len--;
+      continue;
+    }
+    m = censors;
+    for( i = 0; i < numcensors; i++, m++ )
+    {
+      s = in;
+      while( *s && *m )
+      {
+        if( Q_IsColorString( s ) )
+        {
+          s += 2;
+          continue;
+        }
+        if( !isalnum( *s ) )
+        {
+          s++;
+          continue;
+        }
+        if( tolower( *s ) != *m )
+          break;
+        s++;
+        m++;
+      }
+      // match
+      if( !*m )
+      {
+        in = s;
+        m++;
+        while( *m )
+        {
+          if( len < 1 )
+            break;
+          *out++ = *m++;
+          len--;
+        }
+        break;
+      }
+      else
+      {
+        while( *m )
+          m++;
+        m++;
+        while( *m )
+          m++;
+      }
+    }
+    if( len < 1 )
+      break;
+    // no match
+    if( i == numcensors )
+    {
+      *out++ = *in++;
+      len--;
+    }
+  }
+  *out = 0;
+}
 
 /*
 ==================
@@ -720,7 +866,7 @@ void G_Say( gentity_t *ent, saymode_t mode, const char *chatText )
       break;
   }
 
-  Q_strncpyz( text, chatText, sizeof( text ) );
+  G_CensorString( text, chatText, sizeof( text ), ent );
 
   // send it to all the apropriate clients
   for( j = 0; j < level.maxclients; j++ )
@@ -807,6 +953,7 @@ Cmd_VSay_f
 void Cmd_VSay_f( gentity_t *ent )
 {
   char            arg[MAX_TOKEN_CHARS];
+  char            text[ MAX_TOKEN_CHARS ];
   voiceChannel_t  vchan;
   voice_t         *voice;
   voiceCmd_t      *cmd;
@@ -900,6 +1047,7 @@ void Cmd_VSay_f( gentity_t *ent )
 
   // optional user supplied text
   trap_Argv( 2, arg, sizeof( arg ) );
+  G_CensorString( text, arg, sizeof( text ), ent );
 
   switch( vchan )
   {
@@ -907,12 +1055,12 @@ void Cmd_VSay_f( gentity_t *ent )
     case VOICE_CHAN_LOCAL:
       trap_SendServerCommand( -1, va(
         "voice %d %d %d %d \"%s\"\n",
-        ent-g_entities, vchan, cmdNum, trackNum, arg ) );
+        ent-g_entities, vchan, cmdNum, trackNum, text ) );
       break;
     case VOICE_CHAN_TEAM:
       G_TeamCommand( ent->client->pers.teamSelection, va(
         "voice %d %d %d %d \"%s\"\n",
-        ent-g_entities, vchan, cmdNum, trackNum, arg ) );
+        ent-g_entities, vchan, cmdNum, trackNum, text ) );
       break;
     default:
       break;
@@ -3035,6 +3183,7 @@ void Cmd_PrivateMessage_f( gentity_t *ent )
   char name[ MAX_NAME_LENGTH ];
   char cmd[ 12 ];
   char str[ MAX_STRING_CHARS ];
+  char text[ MAX_STRING_CHARS ];
   char *msg;
   char color;
   int i, pcount;
@@ -3073,12 +3222,14 @@ void Cmd_PrivateMessage_f( gentity_t *ent )
   Com_sprintf( str, sizeof( str ), "^%csent to %i player%s", color, count,
     ( count == 1 ) ? "" : "s" );
 
+  G_CensorString( text, msg, sizeof( text ), ent );
+
   if( !count )
     ADMP( va( "^3No player matching ^7\'%s^7\' ^3to send message to.\n",
       name ) );
   else
   {
-    ADMP( va( "^%cPrivate message: ^7%s\n", color, msg ) );
+    ADMP( va( "^%cPrivate message: ^7%s\n", color, text ) );
     ADMP( va( "%s\n", str ) );
 
     G_LogPrintf( "%s: %d \"%s" S_COLOR_WHITE "\" \"%s\": ^%c%s\n",
diff --git a/src/game/g_local.h b/src/game/g_local.h
index a6fff69b..7aaf3bf4 100644
--- a/src/game/g_local.h
+++ b/src/game/g_local.h
@@ -722,6 +722,8 @@ void      Cmd_Test_f( gentity_t *ent );
 void      Cmd_AdminMessage_f( gentity_t *ent );
 int       G_FloodLimited( gentity_t *ent );
 void      G_ListCommands( gentity_t *ent );
+void      G_LoadCensors( void );
+void      G_CensorString( char *out, const char *in, int len, gentity_t *ent );
 
 //
 // g_physics.c
@@ -1157,6 +1159,8 @@ extern  vmCvar_t  g_specChat;
 extern  vmCvar_t  g_publicAdminMessages;
 extern  vmCvar_t  g_allowTeamOverlay;
 
+extern  vmCvar_t  g_censorship;
+
 void      trap_Print( const char *fmt );
 void      trap_Error( const char *fmt );
 int       trap_Milliseconds( void );
diff --git a/src/game/g_main.c b/src/game/g_main.c
index b5d409f1..bdc948e1 100644
--- a/src/game/g_main.c
+++ b/src/game/g_main.c
@@ -133,6 +133,8 @@ vmCvar_t  g_specChat;
 vmCvar_t  g_publicAdminMessages;
 vmCvar_t  g_allowTeamOverlay;
 
+vmCvar_t  g_censorship;
+
 vmCvar_t  g_tag;
 
 static cvarTable_t   gameCvarTable[ ] =
@@ -254,6 +256,8 @@ static cvarTable_t   gameCvarTable[ ] =
   { &g_publicAdminMessages, "g_publicAdminMessages", "1", CVAR_ARCHIVE, 0, qfalse  },
   { &g_allowTeamOverlay, "g_allowTeamOverlay", "1", CVAR_ARCHIVE, 0, qtrue  },
 
+  { &g_censorship, "g_censorship", "", CVAR_ARCHIVE, 0, qfalse  },
+
   { &g_tag, "g_tag", "main", CVAR_INIT, 0, qfalse }
 };
 
@@ -559,6 +563,7 @@ void G_InitGame( int levelTime, int randomSeed, int restart )
 
   G_RegisterCommands( );
   G_admin_readconfig( NULL );
+  G_LoadCensors( );
 
   // initialize all entities for this game
   memset( g_entities, 0, MAX_GENTITIES * sizeof( g_entities[ 0 ] ) );
diff --git a/src/game/g_svcmds.c b/src/game/g_svcmds.c
index fc4dad45..3d89ef47 100644
--- a/src/game/g_svcmds.c
+++ b/src/game/g_svcmds.c
@@ -542,6 +542,7 @@ struct svcmd
   { "listmaps", qtrue, Svcmd_ListMapsWrapper },
   { "m", qtrue, Svcmd_MessageWrapper },
   { "mapRotation", qfalse, Svcmd_MapRotation_f },
+  { "loadcensors", qfalse, G_LoadCensors },
   { "printqueue", qfalse, Svcmd_PrintQueue_f },
   { "say", qtrue, Svcmd_MessageWrapper },
   { "say_team", qtrue, Svcmd_TeamMessage_f },