MarkMinefield

-- Mark Minefield
function execute(params)
    local minefieldArea = params.minefield_area

    vrf.sendMessage{
        sender = this,
        receivers = params.receivers or {this:getSuperior()},
        messageType = "MINEFIELD_REPORT",
        messageBody = {
            area = minefieldArea,
            mine_type = params.mine_type,
            density = params.density
        }
    }

    return true
end