rnd = floor(random(3))
if (argument0 == 0)
{
    switch rnd
    {
        case 0:
            sfx_play(sndStepNormal0)
            break
        case 1:
            sfx_play(sndStepNormal1)
            break
        case 2:
            sfx_play(sndStepNormal2)
            break
    }

}
if (argument0 == 1)
{
    switch rnd
    {
        case 0:
            sfx_play(sndStepRock0)
            break
        case 1:
            sfx_play(sndStepRock1)
            break
        case 2:
            sfx_play(sndStepRock2)
            break
    }

}
if (argument0 == 2)
{
    switch rnd
    {
        case 0:
            sfx_play(sndStepGrass0)
            break
        case 1:
            sfx_play(sndStepGrass1)
            break
        case 2:
            sfx_play(sndStepGrass2)
            break
    }

}
if (argument0 == 3)
{
    switch rnd
    {
        case 0:
            sfx_play(sndStepStone0)
            break
        case 1:
            sfx_play(sndStepStone1)
            break
        case 2:
            sfx_play(sndStepStone2)
            break
    }

}
if (argument0 == 4)
{
    switch rnd
    {
        case 0:
            sfx_play(sndStepMetal0)
            break
        case 1:
            sfx_play(sndStepMetal1)
            break
        case 2:
            sfx_play(sndStepMetal2)
            break
    }

}
if (argument0 == 5)
{
    switch rnd
    {
        case 0:
            sfx_play(sndStepWet0)
            break
        case 1:
            sfx_play(sndStepWet1)
            break
        case 2:
            sfx_play(sndStepWet2)
            break
    }

}