Flash Green During Status Effect

import "std.zh"

const int FLASH_GREEN = 143;

hero script active
{
    void run()
    {
        int clk;
        while(1)
        {
            if ( Hero->Action == LA_GOTHURTLAND && !clk )
            {
                clk = 100;
            }
            if ( clk )
            {
                --clk;
                Hero->Item[FLASH_GREEN] =( (clk % 4) ) ? true : false;
            }
            else Hero->Item[FLASH_GREEN] = false;
            Waitframe();
        }
    }
}