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/*
* acm : an aerial combat simulator for X
* Copyright (C) 1991-1998 Riley Rainey
*
* This program 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; version 2 dated June, 1991.
*
* This program 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 this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave., Cambridge, MA 02139, USA.
*/
#include <pm.h>
#define RESULT_REQUEST_OK 0
#define RESULT_UNABLE 1
/*
*
* t r a n s f e r C o n t r o l R e q u e s t H a n d l e r
*
* This routine is responsible for handling entity transfer control requests
* at the simulation level. It determines if the control transfer is
* feasible, adjusts simulation level data structures as needed, and returns
* an indication to the caller (the DIS interface) whether the request
* should proceed, or not.
*/
int
transferControlRequestHandler (Entity_t *e, dis_transfer_control_pdu *pdu)
{
int result = RESULT_UNABLE;
craftType *cinfo;
switch (pdu->transfer_type) {
/*
* Someone would like use to take control of an entity
*
* If it is an aircraft we can model, then make it a drone.
*/
case DISTransferTypeEntityControllerRequest:
cinfo = lookupCraftByEntityType( &e->entityType );
if ( cinfo != NULL ) {
e->c->type = CT_DRONE;
e->c->cinfo = cinfo;
/* TODO: provision the aircraft; landing gear, etc */
result = RESULT_REQUEST_OK;
}
break;
/*
* Control of this entity is requested by someone else.
*
* Change type to DIS aircraft and we're done.
*/
case DISTransferTypeEntityRequest:
result = RESULT_REQUEST_OK;
e->c->type = CT_DIS_PLANE;
}
return result;
}
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