private static void Update()
{
if (!_initialized)
{
return;
}
if (EditorApplication.isPlaying ||
EditorApplication.timeSinceStartup - startTime > 10 ||
devices.Length != MidiInput.GetPortCount())
{
OnNextNote?.Invoke(new MidiID(-1, -1, -1, MidiStatus.Dummy));
Shutdown();
return;
}
IntPtr messages = Marshal.AllocHGlobal(1024);
IntPtr size = Marshal.AllocHGlobal(4);
for (int i = 0; i < devices.Length; i++)
{
while (true)
{
Marshal.WriteInt32(size, 1024);
MidiInternal.rtmidi_in_get_message(devices[i], messages, size);
if (Marshal.ReadInt32(size) == 0)
{
break;
}
byte[] m = new byte[Marshal.ReadInt32(size)];
Marshal.Copy(messages, m, 0, m.Length);
var status = (MidiStatus)((m[0] >> 4));
if (status == MidiStatus.NoteOff)
{
status = MidiStatus.NoteOn;
}
OnNextNote?.Invoke(new MidiID(m[0] & 0x0F, m[1], i, status));
Shutdown();
Marshal.FreeHGlobal(size);
Marshal.FreeHGlobal(messages);
return;
}
}
//deallocate pointers
Marshal.FreeHGlobal(size);
Marshal.FreeHGlobal(messages);
}
// Update is called once per frame
void Update()
{
list = new List <byte>();
for (int i = 0; i < header.Length; i++)
{
list.Add(header[i]);
}
list.Add(15);
list.Add(0);
for (int i = 0; i < circles.Count; i++)
{
if (circles[i].timer >= 100)
{
circles.RemoveAt(i);
}
var data = circles[i];
data.timer += Time.deltaTime * 30;
circles[i] = data;
}
for (int i = 0, y = 0; y < 10; y++)
{
for (int x = 0; x < 10; x++, i++)
{
//reset color
colors[i] = Color.black;
for (int j = 0; j < circles.Count; j++)
{
float dist = Vector2.Distance(new Vector2(x, y), circles[j].center);
Color col = gradient.Evaluate(Mathf.Sin(dist + Time.time * 30) / 2 + 0.5f);
if (Mathf.Abs(dist - circles[j].timer) < 1)
{
colors[i] = col;
}
}
//Color col = gradient.Evaluate(Mathf.Sin((x + y + Time.time) * Mathf.PI)); // checkerboard pattern
list.Add((byte)(colors[i].r * 62));
list.Add((byte)(colors[i].g * 62));
list.Add((byte)(colors[i].b * 62));
}
}
list.Add(247);
MidiInternal.rtmidi_out_send_message(o, list.ToArray(), list.Count);
//store pointers
IntPtr message = IntPtr.Zero;
IntPtr size = IntPtr.Zero;
//allocate pointers
size = Marshal.AllocHGlobal(4);
message = Marshal.AllocHGlobal(1024);
// useful code right here
while (true)
{
//get data from Midi device
MidiInternal.rtmidi_in_get_message(ptr, message, size);
//store size of message
int s = Marshal.ReadInt32(size);
//check if no message is sent
if (s == 0)
{
//de-allocate and exit loop
Marshal.FreeHGlobal(message);
Marshal.FreeHGlobal(size);
break;
}
//change center position
byte[] data = new byte[s];
for (int i = 0; i < data.Length; i++)
{
data[i] = Marshal.ReadByte(message, i);
}
//change center
changeCenter(data);
}
}
//On every frame, get current status of each midi device and store all its values.
void Update()
{
//Loop based on Keijiro Takahashi's implementation.
//https://github.com/keijiro/jp.keijiro.rtmidi/
if (_initialized)
{
//check if a device has been added/removed.
if (portCount != GetPortCount())
{
RestartDevices();
//if there are no devices available, quit
if (!_initialized)
{
return;
}
}
//allocate memory for messages
IntPtr messages = Marshal.AllocHGlobal(1024);
IntPtr size = Marshal.AllocHGlobal(4);
//loop for every device active
for (int i = 0; i < currdevices.Length; i++)
{
int currsize = 0;
//loop indefinitely
while (true)
{
//write max size for parameter (max size for a midi message is 1024 bytes)
Marshal.WriteInt32(size, 1024);
//get message and store timestamp
double timestamp = MidiInternal.rtmidi_in_get_message(currdevices[i].ptr, messages, size);
//parse size
currsize = Marshal.ReadInt32(size);
//if the message is empty, quit
if (currsize == 0)
{
break;
}
//store messages in array
byte[] m = new byte[currsize];
Marshal.Copy(messages, m, 0, currsize);
//
//parse message
//
//store new data
MidiData data;
//get status byte
byte status = m[0];
//store data
data = new MidiData((float)timestamp, //time since last midi message
(MidiStatus)((status >> 4)), //midi type (8-15 defined)
(status & 0x0F), //channel bit (0-15)
m[1], //data1 byte (stores midi note ID usually)
(currsize == 2) ? byte.MinValue : m[2], //data2 byte (sometimes this is 0 due to the length of the message)
m, //raw data of the message
i); //device port ID
//some devices for whatever reason have both note on and off to be the same value
//so note on/off status is based on velocity
if (data.status == MidiStatus.NoteOn || data.status == MidiStatus.NoteOff)
{
data.status = (data.data2 != 0) ? MidiStatus.NoteOn : MidiStatus.NoteOff;
}
//add data to the device
currdevices[i].AddData(data);
}
}
//deallocate pointers
Marshal.FreeHGlobal(size);
Marshal.FreeHGlobal(messages);
}
}