Added a new MIDIDriver class

3 files changed, 169 insertions, 0 deletions

diff --git a/drivers/winmidi/SCsub b/drivers/winmidi/SCsub
new file mode 100644
index 0000000000..233593b0f9
--- /dev/null
+++ b/drivers/winmidi/SCsub
@@ -0,0 +1,8 @@
+#!/usr/bin/env python
+
+Import('env')
+
+# Driver source files
+env.add_source_files(env.drivers_sources, "*.cpp")
+
+Export('env')
diff --git a/drivers/winmidi/win_midi.cpp b/drivers/winmidi/win_midi.cpp
new file mode 100644
index 0000000000..6da6e31b2b
--- /dev/null
+++ b/drivers/winmidi/win_midi.cpp
@@ -0,0 +1,100 @@
+/*************************************************************************/
+/*  win_midi.cpp                                                         */
+/*************************************************************************/
+/*                       This file is part of:                           */
+/*                           GODOT ENGINE                                */
+/*                      https://godotengine.org                          */
+/*************************************************************************/
+/* Copyright (c) 2007-2018 Juan Linietsky, Ariel Manzur.                 */
+/* Copyright (c) 2014-2018 Godot Engine contributors (cf. AUTHORS.md)    */
+/*                                                                       */
+/* Permission is hereby granted, free of charge, to any person obtaining */
+/* a copy of this software and associated documentation files (the       */
+/* "Software"), to deal in the Software without restriction, including   */
+/* without limitation the rights to use, copy, modify, merge, publish,   */
+/* distribute, sublicense, and/or sell copies of the Software, and to    */
+/* permit persons to whom the Software is furnished to do so, subject to */
+/* the following conditions:                                             */
+/*                                                                       */
+/* The above copyright notice and this permission notice shall be        */
+/* included in all copies or substantial portions of the Software.       */
+/*                                                                       */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
+/*************************************************************************/
+
+#ifdef WINMIDI_ENABLED
+
+#include "win_midi.h"
+#include "print_string.h"
+
+void MIDIDriverWinMidi::read(HMIDIIN hMidiIn, UINT wMsg, DWORD_PTR dwInstance, DWORD_PTR dwParam1, DWORD_PTR dwParam2) {
+
+	if (wMsg == MIM_DATA) {
+		receive_input_packet((uint64_t)dwParam2, (uint8_t *)&dwParam1, 3);
+	}
+}
+
+Error MIDIDriverWinMidi::open() {
+
+	for (UINT i = 0; i < midiInGetNumDevs(); i++) {
+		HMIDIIN midi_in;
+
+		MMRESULT res = midiInOpen(&midi_in, i, (DWORD_PTR)read, (DWORD_PTR)this, CALLBACK_FUNCTION);
+		if (res == MMSYSERR_NOERROR) {
+			midiInStart(midi_in);
+			connected_sources.insert(i, midi_in);
+		} else {
+			char err[256];
+			midiInGetErrorText(res, err, 256);
+			ERR_PRINTS("midiInOpen error: " + String(err));
+		}
+	}
+
+	return OK;
+}
+
+PoolStringArray MIDIDriverWinMidi::get_connected_inputs() {
+
+	PoolStringArray list;
+
+	for (int i = 0; i < connected_sources.size(); i++) {
+		HMIDIIN midi_in = connected_sources[i];
+		UINT id = 0;
+		MMRESULT res = midiInGetID(midi_in, &id);
+		if (res == MMSYSERR_NOERROR) {
+			MIDIINCAPS caps;
+			res = midiInGetDevCaps(i, &caps, sizeof(MIDIINCAPS));
+			if (res == MMSYSERR_NOERROR) {
+				list.push_back(caps.szPname);
+			}
+		}
+	}
+
+	return list;
+}
+
+void MIDIDriverWinMidi::close() {
+
+	for (int i = 0; i < connected_sources.size(); i++) {
+		HMIDIIN midi_in = connected_sources[i];
+		midiInStop(midi_in);
+		midiInClose(midi_in);
+	}
+	connected_sources.clear();
+}
+
+MIDIDriverWinMidi::MIDIDriverWinMidi() {
+}
+
+MIDIDriverWinMidi::~MIDIDriverWinMidi() {
+
+	close();
+}
+
+#endif
diff --git a/drivers/winmidi/win_midi.h b/drivers/winmidi/win_midi.h
new file mode 100644
index 0000000000..1cf9b19b5d
--- /dev/null
+++ b/drivers/winmidi/win_midi.h
@@ -0,0 +1,61 @@
+/*************************************************************************/
+/*  win_midi.h                                                           */
+/*************************************************************************/
+/*                       This file is part of:                           */
+/*                           GODOT ENGINE                                */
+/*                      https://godotengine.org                          */
+/*************************************************************************/
+/* Copyright (c) 2007-2018 Juan Linietsky, Ariel Manzur.                 */
+/* Copyright (c) 2014-2018 Godot Engine contributors (cf. AUTHORS.md)    */
+/*                                                                       */
+/* Permission is hereby granted, free of charge, to any person obtaining */
+/* a copy of this software and associated documentation files (the       */
+/* "Software"), to deal in the Software without restriction, including   */
+/* without limitation the rights to use, copy, modify, merge, publish,   */
+/* distribute, sublicense, and/or sell copies of the Software, and to    */
+/* permit persons to whom the Software is furnished to do so, subject to */
+/* the following conditions:                                             */
+/*                                                                       */
+/* The above copyright notice and this permission notice shall be        */
+/* included in all copies or substantial portions of the Software.       */
+/*                                                                       */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
+/*************************************************************************/
+
+#ifdef WINMIDI_ENABLED
+
+#ifndef WIN_MIDI_H
+#define WIN_MIDI_H
+
+#include <stdio.h>
+#include <windows.h>
+
+#include <mmsystem.h>
+
+#include "core/vector.h"
+#include "os/midi_driver.h"
+
+class MIDIDriverWinMidi : public MIDIDriver {
+
+	Vector<HMIDIIN> connected_sources;
+
+	static void CALLBACK read(HMIDIIN hMidiIn, UINT wMsg, DWORD_PTR dwInstance, DWORD_PTR dwParam1, DWORD_PTR dwParam2);
+
+public:
+	virtual Error open();
+	virtual void close();
+
+	virtual PoolStringArray get_connected_inputs();
+
+	MIDIDriverWinMidi();
+	virtual ~MIDIDriverWinMidi();
+};
+
+#endif
+#endif