Richard Ellingworth / Mbed 2 deprecated RobotRic

Version of Robotron arcade game using LPC1768, a Gameduino shield, a serial EEPROM (for high scores), two microswitch joysticks and two buttons plus a box to put it in. 20 levels of mayhem.

Dependencies:   25LCxxx_SPI CommonTypes Gameduino mbed

LevelDescriptor.cpp

Committer:
RichardE
Date:
2013-06-09
Revision:
10:bfa1c307c99d
Child:
12:81926431fea7

File content as of revision 10:bfa1c307c99d:

/*
 * SOURCE FILE : LevelDescriptor.cpp
 *
 * Definition of class LevelDescriptor.
 * Describes a level.
 *
 */

#include "LevelDescriptor.h"

/*****************************************/
/* GET COUNT FOR A PARTICULAR ENEMY TYPE */
/*****************************************/
// Pass pointer to array containing data in data parameter.
// The array alternates between enemy type and count and MUST
// be terminated with a byte of value ENDDESCRIPTOR.
// Pass type of enemy to fetch count for in et.
// Returns number of enemies of the given type on this level.
UInt8 LevelDescriptor::GetEnemyCount( const UInt8 *data, EnemyType et ) {
    bool found = false;
    while( ! found && ( *data != ENDDESCRIPTOR ) ) {
        if( *data == (UInt8)et ) {
            found = true;
        }
        else {
            data += 2;
        }
    }        
    if( found ) {
        return data[ 1 ];
    }
    else {
        return 0;
    }
}