First version.

src/game/g_ptr.c

@@ -0,0 +1,180 @@
+/*
+===========================================================================
+Copyright (C) 1999-2005 Id Software, Inc.
+Copyright (C) 2000-2006 Tim Angus
+
+This file is part of Tremulous.
+
+Tremulous is free software; you can redistribute it
+and/or modify it under the terms of the GNU General Public License as
+published by the Free Software Foundation; either version 2 of the License,
+or (at your option) any later version.
+
+Tremulous is distributed in the hope that it will be
+useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with Tremulous; if not, write to the Free Software
+Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+===========================================================================
+*/
+
+// g_ptr.c -- post timeout restoration handling
+
+#include "g_local.h"
+
+static connectionRecord_t connections[ MAX_CLIENTS ];
+
+/*
+===============
+G_CheckForUniquePTRC
+
+Callback to detect ptrc clashes
+===============
+*/
+static qboolean G_CheckForUniquePTRC( int code )
+{
+  int i;
+
+  if( code == 0 )
+    return qfalse;
+
+  for( i = 0; i < MAX_CLIENTS; i++ )
+  {
+    if( connections[ i ].ptrCode == code )
+      return qfalse;
+  }
+
+  return qtrue;
+}
+
+/*
+===============
+G_UpdatePTRConnection
+
+Update the data in a connection record
+===============
+*/
+void G_UpdatePTRConnection( gclient_t *client )
+{
+  if( client && client->pers.connection )
+  {
+    client->pers.connection->clientTeam = client->pers.teamSelection;
+    if( client->pers.teamSelection == PTE_NONE )
+      client->pers.connection->clientCredit = client->pers.savedCredit;
+    else
+      client->pers.connection->clientCredit = client->ps.persistant[ PERS_CREDIT ];
+  }
+}
+
+/*
+===============
+G_GenerateNewConnection
+
+Generates a new connection
+===============
+*/
+connectionRecord_t *G_GenerateNewConnection( gclient_t *client )
+{
+  int     code = 0;
+  int     i;
+
+  // this should be really random
+  srand( trap_Milliseconds( ) );
+
+  // there is a very very small possibility that this
+  // will loop infinitely
+  do
+  {
+    code = rand( );
+  } while( !G_CheckForUniquePTRC( code ) );
+
+  for( i = 0; i < MAX_CLIENTS; i++ )
+  {
+    //found an unused slot
+    if( !connections[ i ].ptrCode )
+    {
+      connections[ i ].ptrCode = code;
+      connections[ i ].clientNum = client->ps.clientNum;
+      client->pers.connection = &connections[ i ];
+      G_UpdatePTRConnection( client );
+
+      return &connections[ i ];
+    }
+  }
+
+  return NULL;
+}
+
+/*
+===============
+G_VerifyPTRC
+
+Check a PTR code for validity
+===============
+*/
+qboolean G_VerifyPTRC( int code )
+{
+  int i;
+
+  if( code == 0 )
+    return qfalse;
+
+  for( i = 0; i < MAX_CLIENTS; i++ )
+  {
+    if( connections[ i ].ptrCode == code )
+      return qtrue;
+  }
+
+  return qfalse;
+}
+
+/*
+===============
+G_FindConnectionForCode
+
+Finds a connection for a given code
+===============
+*/
+connectionRecord_t *G_FindConnectionForCode( int code )
+{
+  int i;
+
+  if( code == 0 )
+    return NULL;
+
+  for( i = 0; i < MAX_CLIENTS; i++ )
+  {
+    if( connections[ i ].ptrCode == code )
+      return &connections[ i ];
+  }
+
+  return NULL;
+}
+
+/*
+===============
+G_DeletePTRConnection
+
+Finds a connection and deletes it
+===============
+*/
+void G_DeletePTRConnection( connectionRecord_t *connection )
+{
+  if( connection )
+    memset( connection, 0, sizeof( connectionRecord_t ) );
+}
+
+/*
+===============
+G_ResetPTRConnections
+
+Invalidate any existing codes
+===============
+*/
+void G_ResetPTRConnections( void )
+{
+  memset( connections, 0, sizeof( connectionRecord_t ) * MAX_CLIENTS );
+}