stop_movement.c

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/*****************************************************************************
 * ugBASIC - an isomorphic BASIC language compiler for retrocomputers        *
 *****************************************************************************
 * Copyright 2021-2026 Marco Spedaletti (asimov@mclink.it)
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/****************************************************************************
 * INCLUDE SECTION 
 ****************************************************************************/
 
#include "../../ugbc.h"
 
/****************************************************************************
 * CODE SECTION 
 ****************************************************************************/

/* <usermanual>
@keyword STOP MOVEMENT
 
@english
 
This command can be used to abruptly stop a movement.
 
@italian
 
Questo comando può essere usato per interrompere 
un movimento in modo brusco.
 
@syntax STOP MOVEMENT prefix
 
@example STOP MOVEMENT airplane
 
</usermanual> */
void stop_movement( Environment * _environment, char * _prefix ) {
 
    MAKE_LABEL
 
    char prefixMovement[MAX_TEMPORARY_STORAGE]; sprintf( prefixMovement, "%sMovement", _prefix );
 
    if ( ! variable_exists( _environment, prefixMovement ) ) {
        CRITICAL_CANNOT_USE_STOP_WITHOUT_MOVEMENT(_prefix);
    }
 
    Variable * prefixMovementVar = variable_retrieve( _environment, prefixMovement );
 
    if ( prefixMovementVar->type != VT_THREAD ) {
        CRITICAL_CANNOT_USE_STOP_WITHOUT_MOVEMENT(_prefix);
    }
 
    kill_procedure( _environment, prefixMovementVar->name );
 
}