VRPNWrapper.cs

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using UnityEngine;
using System.Collections;
using System.Runtime.InteropServices;
using System;

namespace VRPN
{
    public class Wrapper {
        const int MAX_ANALOG_CHANNELS = 128;

        [ StructLayout( LayoutKind.Sequential)]
        public struct VRPNAnalogReport
        {
            public UInt64 tv_sec;
            public UInt64 tv_usec;
            public int num_channel;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_ANALOG_CHANNELS)]
            public double[] channel;
        }

        public delegate void TrackerCallbackDelegate(uint sensor, System.IntPtr pos, System.IntPtr quat);

        public delegate void ButtonCallbackDelegate(Int32 button, Int32 state);

        public delegate void AnalogCallbackDelegate(VRPN.Wrapper.VRPNAnalogReport report);

        [DllImport ("vrpn-c-wrapper")]
        public static extern System.IntPtr vrpn_c_open_tracker(string name, TrackerCallbackDelegate trackerCallbackF);

        [DllImport ("vrpn-c-wrapper")]
        public static extern bool vrpn_c_poll_tracker(System.IntPtr device);

        [DllImport ("vrpn-c-wrapper")]
        public static extern bool vrpn_c_tracker_is_connected(System.IntPtr device);

        [DllImport ("vrpn-c-wrapper")]
        public static extern bool vrpn_c_tracker_doing_okay(System.IntPtr device);

        [DllImport ("vrpn-c-wrapper")]
        public static extern bool vrpn_c_close_tracker(System.IntPtr device);

        [DllImport ("vrpn-c-wrapper")]
        public static extern System.IntPtr vrpn_c_open_button(string name, ButtonCallbackDelegate buttonCallbackF);

        [DllImport ("vrpn-c-wrapper")]
        public static extern bool vrpn_c_poll_button(System.IntPtr device);

        [DllImport ("vrpn-c-wrapper")]
        public static extern bool vrpn_c_button_is_connected(System.IntPtr device);

        [DllImport ("vrpn-c-wrapper")]
        public static extern bool vrpn_c_button_doing_okay(System.IntPtr device);

        [DllImport ("vrpn-c-wrapper")]
        public static extern bool vrpn_c_close_button(System.IntPtr device);

        [DllImport ("vrpn-c-wrapper")]
        public static extern System.IntPtr vrpn_c_open_force_feedback(string name);

        [DllImport ("vrpn-c-wrapper")]
        public static extern bool vrpn_c_force_feedback_set_force(System.IntPtr device, float force_x, float force_y, float force_z);

        [DllImport ("vrpn-c-wrapper")]
        public static extern void vrpn_c_force_feedback_stop(System.IntPtr device);

        [DllImport ("vrpn-c-wrapper")]
        public static extern bool vrpn_c_force_feedback_is_connected(System.IntPtr device);

        [DllImport ("vrpn-c-wrapper")]
        public static extern bool vrpn_c_force_feedback_doing_okay(System.IntPtr device);

        [DllImport ("vrpn-c-wrapper")]
        public static extern bool vrpn_c_close_force_feedback(System.IntPtr device);

        [DllImport ("vrpn-c-wrapper")]
        public static extern System.IntPtr vrpn_c_open_analog(string name, AnalogCallbackDelegate analogCallbackF);

        [DllImport ("vrpn-c-wrapper")]
        public static extern bool vrpn_c_poll_analog(System.IntPtr device);

        [DllImport ("vrpn-c-wrapper")]
        public static extern bool vrpn_c_analog_is_connected(System.IntPtr device);

        [DllImport ("vrpn-c-wrapper")]
        public static extern bool vrpn_c_analog_doing_okay(System.IntPtr device);

        [DllImport ("vrpn-c-wrapper")]
        public static extern bool vrpn_c_close_analog(System.IntPtr device);
    }

}