WorldSpawn.cpp

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/*
===========================================================================

Doom 3 GPL Source Code
Copyright (C) 1999-2011 id Software LLC, a ZeniMax Media company. 

This file is part of the Doom 3 GPL Source Code (?Doom 3 Source Code?).  

Doom 3 Source Code 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 3 of the License, or
(at your option) any later version.

Doom 3 Source Code 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 Doom 3 Source Code.  If not, see <http://www.gnu.org/licenses/>.

In addition, the Doom 3 Source Code is also subject to certain additional terms. You should have received a copy of these additional terms immediately following the terms and conditions of the GNU General Public License which accompanied the Doom 3 Source Code.  If not, please request a copy in writing from id Software at the address below.

If you have questions concerning this license or the applicable additional terms, you may contact in writing id Software LLC, c/o ZeniMax Media Inc., Suite 120, Rockville, Maryland 20850 USA.

===========================================================================
*/
/*
game_worldspawn.cpp

Worldspawn class.  Each map has one worldspawn which handles global spawnargs.

*/

#include "../idlib/precompiled.h"
#pragma hdrstop

#include "Game_local.h"

/*
================
idWorldspawn

Every map should have exactly one worldspawn.
================
*/
CLASS_DECLARATION( idEntity, idWorldspawn )
        EVENT( EV_Remove,                               idWorldspawn::Event_Remove )
        EVENT( EV_SafeRemove,                   idWorldspawn::Event_Remove )
END_CLASS

/*
================
idWorldspawn::Spawn
================
*/
void idWorldspawn::Spawn( void ) {
        idStr                           scriptname;
        idThread                        *thread;
        const function_t        *func;
        const idKeyValue        *kv;

        assert( gameLocal.world == NULL );
        gameLocal.world = this;

        g_gravity.SetFloat( spawnArgs.GetFloat( "gravity", va( "%f", DEFAULT_GRAVITY ) ) );

        // disable stamina on hell levels
        if ( spawnArgs.GetBool( "no_stamina" ) ) {
                pm_stamina.SetFloat( 0.0f );
        }

        // load script
        scriptname = gameLocal.GetMapName();
        scriptname.SetFileExtension( ".script" );
        if ( fileSystem->ReadFile( scriptname, NULL, NULL ) > 0 ) {
                gameLocal.program.CompileFile( scriptname );

                // call the main function by default
                func = gameLocal.program.FindFunction( "main" );
                if ( func != NULL ) {
                        thread = new idThread( func );
                        thread->DelayedStart( 0 );
                }
        }

        // call any functions specified in worldspawn
        kv = spawnArgs.MatchPrefix( "call" );
        while( kv != NULL ) {
                func = gameLocal.program.FindFunction( kv->GetValue() );
                if ( func == NULL ) {
                        gameLocal.Error( "Function '%s' not found in script for '%s' key on worldspawn", kv->GetValue().c_str(), kv->GetKey().c_str() );
                }

                thread = new idThread( func );
                thread->DelayedStart( 0 );
                kv = spawnArgs.MatchPrefix( "call", kv );
        }
}

/*
=================
idWorldspawn::Save
=================
*/
void idWorldspawn::Save( idRestoreGame *savefile ) {
}

/*
=================
idWorldspawn::Restore
=================
*/
void idWorldspawn::Restore( idRestoreGame *savefile ) {
        assert( gameLocal.world == this );

        g_gravity.SetFloat( spawnArgs.GetFloat( "gravity", va( "%f", DEFAULT_GRAVITY ) ) );

        // disable stamina on hell levels
        if ( spawnArgs.GetBool( "no_stamina" ) ) {
                pm_stamina.SetFloat( 0.0f );
        }
}

/*
================
idWorldspawn::~idWorldspawn
================
*/
idWorldspawn::~idWorldspawn() {
        if ( gameLocal.world == this ) {
                gameLocal.world = NULL;
        }
}

/*
================
idWorldspawn::Event_Remove
================
*/
void idWorldspawn::Event_Remove( void ) {
        gameLocal.Error( "Tried to remove world" );
}