//-----------------------------------------------------------------------------
// Torque Game Engine
// 
// Copyright (c) 2001 GarageGames.Com
// Portions Copyright (c) 2001 by Sierra Online, Inc.
//-----------------------------------------------------------------------------

//-----------------------------------------------------------------------------
// Server mission loading
//-----------------------------------------------------------------------------

// On every mission load except the first, there is a pause after
// the initial mission info is downloaded to the client.
$MissionLoadPause = 5000;

//-----------------------------------------------------------------------------

function loadMission( %missionName, %isFirstMission ) 
{
   endMission();
   echo("*** LOADING MISSION: " @ %missionName);
   echo("*** Stage 1 load");

   // Reset all of these
   clearCenterPrintAll();
   clearBottomPrintAll();
   clearServerPaths();

   // increment the mission sequence (used for ghost sequencing)
   $missionSequence++;
   $missionRunning = false;
   $Server::MissionFile = %missionName;

   // Extract mission info from the mission file,
   // including the display name and stuff to send
   // to the client.
   buildLoadInfo( %missionName );

   // Download mission info to the clients
   %count = ClientGroup.getCount();
   for( %cl = 0; %cl < %count; %cl++ ) {
      %client = ClientGroup.getObject( %cl );
      if (!%client.isAIControlled())
         sendLoadInfoToClient(%client);
   }

   // if this isn't the first mission, allow some time for the server
   // to transmit information to the clients:
   if( %isFirstMission || $Server::ServerType $= "SinglePlayer" )
      loadMissionStage2();
   else
      schedule( $MissionLoadPause, ServerGroup, loadMissionStage2 );
}

//-----------------------------------------------------------------------------

function loadMissionStage2() 
{
   // Create the mission group off the ServerGroup
   echo("*** Stage 2 load");
   $instantGroup = ServerGroup;

   // Make sure the mission exists
   %file = $Server::MissionFile;
   
   if( !isFile( %file ) ) {
      error( "Could not find mission " @ %file );
      return;
   }

   // Calculate the mission CRC.  The CRC is used by the clients
   // to caching mission lighting.
   $missionCRC = getFileCRC( %file );

   // Exec the mission, objects are added to the ServerGroup
   exec(%file);
   
   // If there was a problem with the load, let's try another mission
   if( !isObject(MissionGroup) ) {
      error( "No 'MissionGroup' found in mission \"" @ $missionName @ "\"." );
      schedule( 3000, ServerGroup, CycleMissions );
      return;
   }

   // Mission cleanup group
   new SimGroup( MissionCleanup );
   $instantGroup = MissionCleanup;
   
   // Construct MOD paths
   pathOnMissionLoadDone();

   // Mission loading done...
   echo("*** Mission loaded");
   
   // Start all the clients in the mission
   $missionRunning = true;
   for( %clientIndex = 0; %clientIndex < ClientGroup.getCount(); %clientIndex++ )
      ClientGroup.getObject(%clientIndex).loadMission();

   // Go ahead and launch the game
   onMissionLoaded();
   purgeResources();
}


//-----------------------------------------------------------------------------

function endMission()
{
   if (!isObject( MissionGroup ))
      return;

   echo("*** ENDING MISSION");
   
   // Inform the game code we're done.
   onMissionEnded();

   // Inform the clients
   for( %clientIndex = 0; %clientIndex < ClientGroup.getCount(); %clientIndex++ ) {
      // clear ghosts and paths from all clients
      %cl = ClientGroup.getObject( %clientIndex );
      %cl.endMission();
      %cl.resetGhosting();
      %cl.clearPaths();
   }
   
   // Delete everything
   MissionGroup.delete();
   MissionCleanup.delete();

   $ServerGroup.delete();
   $ServerGroup = new SimGroup(ServerGroup);
}


//-----------------------------------------------------------------------------

function resetMission()
{
   echo("*** MISSION RESET");

   // Remove any temporary mission objects
   MissionCleanup.delete();
   $instantGroup = ServerGroup;
   new SimGroup( MissionCleanup );
   $instantGroup = MissionCleanup;

   //
   onMissionReset();
}