using System;
using System.Collections;
using AcknexWrapper;

namespace panelExampleTwo
{
    class Program
    {
        private static PANEL testPanel = null;
        private static FONT testFont = null;
        private static BMAP background = null;
        private static BMAP knob = null;

        //the main method, called by the scheduler
        private static IEnumerable myMainMethod()
        {
            double dummyVariable = 0;

            //create an empty panel
            testPanel = PANEL.pan_create(null, 0);
            //make the panel visible
            testPanel.SHOW = true;

            //create a font
            testFont = FONT.font_create("Arial#40");

            //display the dummyVariable
            testPanel.pan_setdigits(
                0,
                200,
                400,
                "dummyVariable = %2.f",
                testFont,
                1,
                () => dummyVariable);

            //create a background
            background =
                BMAP.bmap_createblack(200, 50, 128);

            //create a knob
            knob =
                BMAP.bmap_createblack(25, 25, 32);

            //make the knob white
            knob.bmap_fill(
                new Color(255, 255, 255), 100);

            dummyVariable = 75;

            //create a slider which sets the dummyVariable
            testPanel.pan_setslider(
                0,
                50,
                50,
                background,
                knob,
                0,
                100,
                (double x) => dummyVariable = x,
                null);

            //activate mouse
            EngVar.mouse_mode = 4;

            yield return 1;
        }

        static void Main(string[] args)
        {
            //open the engine
            EngFun.engine_open(null, null);

            //create/load an empty level
            EngFun.level_load(null);

            //start the scheduler
            Scheduler.StartScheduler(myMainMethod);
        }
    }
}