/*=======================================================================
  Simple Event Example.  Copyright (c) Firelight Technologies 2004-2016.

 This example plays an event created with the FMOD Designer sound
 designer tool.  It simply plays an event, retrieves the parameters
 and allows the user to adjust them.
=========================================================================*/

using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;

namespace simple_event
{
    public class Form1 : System.Windows.Forms.Form
    {
        private System.Windows.Forms.TrackBar trackBarRPM;
        private System.Windows.Forms.Label label;
        private System.Windows.Forms.Timer timer1;
        private System.Windows.Forms.Button exit_button;
        private System.Windows.Forms.StatusBar statusBar;
        private System.ComponentModel.IContainer components;

        private bool initialised = false;
        private bool trackbarscroll = false;
        private bool exit = false;

        /*
            ALL FMOD CALLS MUST HAPPEN WITHIN THE SAME THREAD.
            WE WILL DO EVERYTHING IN THE TIMER THREAD 
        */
        FMOD.EventSystem eventsystem = null;
        FMOD.EventGroup eventgroup = null;
        FMOD.EventCategory mastercategory = null;
        FMOD.Event car = null;
        FMOD.EventParameter rpm = null;
        FMOD.EventParameter load = null;
        FMOD.RESULT result;
        float rpm_min, rpm_max, load_min, load_max;
        private Label label2;
        private TrackBar trackBarLoad;
        private System.Windows.Forms.Label label1;

        private void timer1_Tick(object sender, System.EventArgs e)
        {
            if (!initialised)
            {
                ERRCHECK(result = FMOD.Event_Factory.EventSystem_Create(ref eventsystem));
                ERRCHECK(result = eventsystem.init(64, FMOD.INITFLAGS.NORMAL, (IntPtr)null, FMOD.EVENT_INITFLAGS.NORMAL));

                ERRCHECK(result = eventsystem.setMediaPath("../../../../examples/media/"));

                ERRCHECK(result = eventsystem.load("examples.fev"));

                ERRCHECK(result = eventsystem.getGroup("examples/AdvancedTechniques", false, ref eventgroup));
                ERRCHECK(result = eventgroup.getEvent("car", FMOD.EVENT_MODE.DEFAULT, ref car));

                ERRCHECK(result = eventsystem.getCategory("master", ref mastercategory));

                ERRCHECK(result = car.getParameter("load", ref load));
                ERRCHECK(result = load.getRange(ref load_min, ref load_max));
                ERRCHECK(result = load.setValue(load_max));

                ERRCHECK(result = car.getParameterByIndex(0, ref rpm));
                ERRCHECK(result = rpm.getRange(ref rpm_min, ref rpm_max));
                ERRCHECK(result = rpm.setValue(1000.0f));

                trackBarRPM.Minimum = (int)rpm_min;
                trackBarRPM.Maximum = (int)rpm_max;

                trackBarLoad.Minimum = (int)load_min;
                trackBarLoad.Maximum = (int)load_max;

                trackBarRPM.Value = 1000;
                trackBarLoad.Value = (int)load_max;

                ERRCHECK(result = car.start());

                initialised = true;
            }


            /*
                "Main Loop" 
            */
            if (trackbarscroll)
            {
                ERRCHECK(result = rpm.setValue((float)trackBarRPM.Value));
                ERRCHECK(result = load.setValue((float)trackBarLoad.Value));

                trackbarscroll = false;
            }

            float rpmvalue = 0.0f;

            ERRCHECK(result = rpm.getValue(ref rpmvalue));

            statusBar.Text = "RPM Value = " + rpmvalue;

            ERRCHECK(result = eventsystem.update());

            /*
                Clean up and exit 
            */
            if (exit)
            {
                ERRCHECK(result = eventgroup.freeEventData());
                ERRCHECK(result = eventsystem.release());

                Application.Exit();
            }
        }

        public Form1()
        {
            InitializeComponent();
        }

        protected override void Dispose(bool disposing)
        {
            if (disposing)
            {
                if (components != null)
                {
                    components.Dispose();
                }
            }
            base.Dispose(disposing);
        }

        #region Windows Form Designer generated code
        /// <summary>
        /// Required method for Designer support - do not modify
        /// the contents of this method with the code editor.
        /// </summary>
        private void InitializeComponent()
        {
            this.components = new System.ComponentModel.Container();
            this.trackBarRPM = new System.Windows.Forms.TrackBar();
            this.label = new System.Windows.Forms.Label();
            this.timer1 = new System.Windows.Forms.Timer(this.components);
            this.exit_button = new System.Windows.Forms.Button();
            this.statusBar = new System.Windows.Forms.StatusBar();
            this.label1 = new System.Windows.Forms.Label();
            this.label2 = new System.Windows.Forms.Label();
            this.trackBarLoad = new System.Windows.Forms.TrackBar();
            ((System.ComponentModel.ISupportInitialize)(this.trackBarRPM)).BeginInit();
            ((System.ComponentModel.ISupportInitialize)(this.trackBarLoad)).BeginInit();
            this.SuspendLayout();
            // 
            // trackBarRPM
            // 
            this.trackBarRPM.Location = new System.Drawing.Point(64, 64);
            this.trackBarRPM.Maximum = 1000;
            this.trackBarRPM.Name = "trackBarRPM";
            this.trackBarRPM.Size = new System.Drawing.Size(216, 42);
            this.trackBarRPM.TabIndex = 1;
            this.trackBarRPM.TickStyle = System.Windows.Forms.TickStyle.None;
            this.trackBarRPM.Scroll += new System.EventHandler(this.trackBarRPM_Scroll);
            // 
            // trackBarLoad
            // 
            this.trackBarLoad.Location = new System.Drawing.Point(64, 96);
            this.trackBarLoad.Maximum = 1000;
            this.trackBarLoad.Name = "trackBarLoad";
            this.trackBarLoad.Size = new System.Drawing.Size(216, 42);
            this.trackBarLoad.TabIndex = 21;
            this.trackBarLoad.TickStyle = System.Windows.Forms.TickStyle.None;
            this.trackBarLoad.Scroll += new System.EventHandler(this.trackBarLoad_Scroll);
            // 
            // label
            // 
            this.label.Location = new System.Drawing.Point(16, 16);
            this.label.Name = "label";
            this.label.Size = new System.Drawing.Size(264, 32);
            this.label.TabIndex = 17;
            this.label.Text = "Copyright (c) Firelight Technologies 2004-2016";
            this.label.TextAlign = System.Drawing.ContentAlignment.MiddleCenter;
            // 
            // timer1
            // 
            this.timer1.Enabled = true;
            this.timer1.Interval = 10;
            this.timer1.Tick += new System.EventHandler(this.timer1_Tick);
            // 
            // exit_button
            // 
            this.exit_button.Location = new System.Drawing.Point(105, 144);
            this.exit_button.Name = "exit_button";
            this.exit_button.Size = new System.Drawing.Size(72, 24);
            this.exit_button.TabIndex = 18;
            this.exit_button.Text = "Exit";
            this.exit_button.Click += new System.EventHandler(this.exit_button_Click);
            // 
            // statusBar
            // 
            this.statusBar.Location = new System.Drawing.Point(0, 168);
            this.statusBar.Name = "statusBar";
            this.statusBar.Size = new System.Drawing.Size(292, 24);
            this.statusBar.TabIndex = 19;
            // 
            // label1
            // 
            this.label1.Location = new System.Drawing.Point(16, 64);
            this.label1.Name = "label1";
            this.label1.Size = new System.Drawing.Size(34, 32);
            this.label1.TabIndex = 20;
            this.label1.Text = "RPM:";
            this.label1.TextAlign = System.Drawing.ContentAlignment.MiddleCenter;
            // 
            // label2
            // 
            this.label2.Location = new System.Drawing.Point(12, 96);
            this.label2.Name = "label2";
            this.label2.Size = new System.Drawing.Size(46, 32);
            this.label2.TabIndex = 22;
            this.label2.Text = "LOAD:";
            this.label2.TextAlign = System.Drawing.ContentAlignment.MiddleCenter;
            // 
            // Form1
            // 
            this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
            this.ClientSize = new System.Drawing.Size(292, 192);
            this.Controls.Add(this.label2);
            this.Controls.Add(this.trackBarLoad);
            this.Controls.Add(this.label1);
            this.Controls.Add(this.statusBar);
            this.Controls.Add(this.exit_button);
            this.Controls.Add(this.label);
            this.Controls.Add(this.trackBarRPM);
            this.Name = "Form1";
            this.Text = "Simple Event Example";
            this.Load += new System.EventHandler(this.Form1_Load);
            ((System.ComponentModel.ISupportInitialize)(this.trackBarRPM)).EndInit();
            ((System.ComponentModel.ISupportInitialize)(this.trackBarLoad)).EndInit();
            this.ResumeLayout(false);
            this.PerformLayout();

        }
        #endregion

        [STAThread]
        static void Main()
        {
            Application.Run(new Form1());
        }

        private void Form1_Load(object sender, System.EventArgs e)
        {

        }

        private void trackBarRPM_Scroll(object sender, System.EventArgs e)
        {
            trackbarscroll = true;
        }

        private void trackBarLoad_Scroll(object sender, System.EventArgs e)
        {
            trackbarscroll = true;
        }

        private void exit_button_Click(object sender, System.EventArgs e)
        {
            exit = true;
        }

        private void ERRCHECK(FMOD.RESULT result)
        {
            if (result != FMOD.RESULT.OK)
            {
                timer1.Stop();
                MessageBox.Show("FMOD error! " + result + " - " + FMOD.Error.String(result));
                Environment.Exit(-1);
            }
        }
    }
}