ancillery 3

// Old UpdateGameState() function with movement functions inside.

// Trying to replace below function using the arbitray keys (IsKeyDown A ) with the functions in the struct -  entire question at http://pastebin.com/C329ueqM

void UpdateGameState()
{
    //\==================================================================================
    //\ Player movement handling code
    //\==================================================================================
    if( IsKeyDown( 'A' ) )
    {
        fPlayerX -= 2.f;
        if( fPlayerX < (fPlayerWidth*.5f) )
        {
            fPlayerX = (fPlayerWidth*.5f);
        }
    }

    if( IsKeyDown( 'D' ) )
    {
        fPlayerX += 2.f;
        if( fPlayerX > (iScreenWidth - (fPlayerWidth*.5f)) )
        {
            fPlayerX = iScreenWidth - (fPlayerWidth*.5f);
        }
    }


    MoveSprite( iPlayerCannon, player.fWidth, player.fHeight); //rk020414 have updated gamestate mostly to reflect struct implmntnt
    DrawSprite( iPlayerCannon );

    for( int i = 0; i < 15; ++i )
    {
        DrawSprite(alienShips[i]);
    }

    DrawLine( 0, 40, iScreenWidth, 40, SColour( 0x00, 0xFC, 0x00, 0xFF ));


    SetFont( pInvadersFont );
    DrawString( pkScore1,   iScreenWidth * 0.025f,  iScreenHeight - 2 );
    DrawString( pkHiScore,  iScreenWidth * 0.425f,  iScreenHeight - 2 );
    DrawString( pkScore2,   iScreenWidth * 0.8f,    iScreenHeight - 2 );
    DrawString( pkCredit,   iScreenWidth * 0.7f,    38 );


}


// existing main loop


int main( int argc, char* argv[] )
{
    //\ Lets initialise the AIE Framework and give the window it creates an appropriate title
    Initialise( iScreenWidth, iScreenHeight, false, "Space Invaders" );
    SetBackgroundColour( SColour( 0x00, 0x00, 0x00, 0xFF ) );
    AddFont( pInvadersFont );

    iArcadeMarquee = CreateSprite( "./images/Space-Invaders-Marquee.png", iScreenWidth, iScreenHeight, true );
    MoveSprite( iArcadeMarquee, iScreenWidth * 0.5f, iScreenHeight * 0.5f );

    //\Below calls for the player strcture. That's right in space invaders we control a cannon
    //\Referencing player attributes from player strcture

    iPlayerCannon = CreateSprite( "./images/cannon.png", fPlayerWidth, fPlayerHeight, true ); //need this to create the cannon
    //not showing the cannon on the right Y axis or responding to move but need to upate the gamestateupdate for that to happen rk020414


    player.SetSize( 64.f, 32.f ); // calliung function with this code
    player.SetMovementKeys( 'A', 'D' );
    player.iSpriteID = CreateSprite( "./images/cannon.png", player.fWidth, player.fHeight, true );
    player.x =  iScreenWidth * 0.5f;
    player.y =  80.f;

    float fEnemyX = iScreenWidth * 0.2f;
    float fEnemyY = iScreenHeight * 0.7f;
    for( int i = 0; i < 15; ++i )
    {
        alienShips[i] = CreateSprite( "./images/invaders/invaders_1_00.png",  fPlayerWidth, fPlayerHeight, true );
        MoveSprite( alienShips[i], fEnemyX, fEnemyY );
        fEnemyX += 0.12 * iScreenWidth;
        if( fEnemyX > iScreenWidth * 0.8f)
        {
                fEnemyX = iScreenWidth * 0.2f;;
                fEnemyY -= 0.08 * iScreenHeight;
        }

    }

    GAMESTATES eCurrentState = eMAIN_MENU;
    do
    {
        ClearScreen();
        float fDeltaT = GetDeltaTime();
        switch (eCurrentState )
        {
        case eMAIN_MENU:
            UpdateMainMenu();
            if( IsKeyDown( KEY_ENTER ) )
            {
                eCurrentState = eGAMEPLAY;
            }
            break;
        case eGAMEPLAY:
            UpdateGameState();
            if( IsKeyDown( KEY_ESCAPE ) )
            {
                eCurrentState = eMAIN_MENU;
            }
            break;
        default:
            break;
        }
    } while ( FrameworkUpdate() == false );

    DestroySprite(iPlayerCannon);
    DestroySprite(iArcadeMarquee);
    Shutdown();

    return 0;
}



/// Entire main (they have not introduced project splitting yet in this tutorial)

http://pastebin.com/YCHHrgV2