Add: Win32 MIDI Support

2005-05-25 21:58:56 +00:00
parent b05d0c29ed
commit 8e74fab0c1
7 changed files with 205 additions and 10 deletions
@@ -0,0 +1,128 @@
+#include "global.h"
+#include "RageUtil.h"
+#include "InputHandler_Win32_MIDI.h"
+#include "RageLog.h"
+
+#include <windows.h>
+#include <mmsystem.h>
+
+#include "ScreenManager.h"
+
+#pragma comment (lib,"winmm.lib")
+
+HMIDIIN g_device;
+void CALLBACK midiCallback(HMIDIIN g_device, UINT status, DWORD instancePtr, DWORD data, DWORD timestamp);
+
+
+InputHandler_Win32_MIDI::InputHandler_Win32_MIDI()
+{
+	int device_id = 0;
+
+	MMRESULT result;
+	g_device = NULL;
+
+	if (device_id >= midiInGetNumDevs()) {
+		m_bFoundDevice = false;
+		return;
+    } else
+		m_bFoundDevice = true;
+
+	result = midiInOpen(&g_device, device_id, (DWORD)&(midiCallback), (DWORD)this, CALLBACK_FUNCTION);
+    if (result != MMSYSERR_NOERROR) {
+		char strError[256];
+		midiOutGetErrorText( result, strError, 256 );
+		LOG->Warn( "Error with MIDI Opening: %s", strError );
+        return;
+    }
+
+    result = midiInStart(g_device);
+    if (result != MMSYSERR_NOERROR) {
+		char strError[256];
+		midiOutGetErrorText( result, strError, 256 );
+		LOG->Warn( "Error with MIDI Starting: %s", strError );
+        return;
+    }
+}
+
+InputHandler_Win32_MIDI::~InputHandler_Win32_MIDI()
+{
+	MMRESULT result;
+
+    result = midiInReset(g_device);
+    if (result != MMSYSERR_NOERROR) {
+		char strError[256];
+		midiOutGetErrorText( result, strError, 256 );
+		LOG->Warn( "Error with MIDI Reset: %s", strError );
+        return;
+    }
+
+    result = midiInClose(g_device);
+    if (result != MMSYSERR_NOERROR) {
+		char strError[256];
+		midiOutGetErrorText( result, strError, 256 );
+		LOG->Warn( "Error with MIDI Close: %s", strError );
+        return;
+    }
+
+}
+
+void InputHandler_Win32_MIDI::GetDevicesAndDescriptions(vector<InputDevice>& vDevicesOut, vector<CString>& vDescriptionsOut)
+{
+	if ( m_bFoundDevice )
+	{
+		vDevicesOut.push_back( InputDevice(DEVICE_MIDI) );
+		vDescriptionsOut.push_back( "Win32_MIDI" );
+	}
+}
+
+void CALLBACK midiCallback(HMIDIIN g_device, UINT status, DWORD instancePtr, DWORD data, DWORD timestamp)
+{
+    if (status == MIM_DATA) {
+		int type = data & 0x00ff;
+		int channel = (data & 0xff00) >> 8;
+		int value = ( data & 0x00ff0000) >> 16;
+
+		//Channel 0 in midi is a special channel that generally will get triggerd when too many channels are pressed
+		if ( channel == 0 ) return;
+
+		if ( type == 144 )
+		{
+			DeviceInput di = DeviceInput(DEVICE_MIDI,channel);
+			di.ts.Touch();
+			if ( value > 0 )
+				((InputHandler_Win32_MIDI *)instancePtr)->SetDev( di, true );
+			else
+				((InputHandler_Win32_MIDI *)instancePtr)->SetDev( di, false );
+		}
+    }
+}
+
+void InputHandler_Win32_MIDI::Update( float fDeltaTime )
+{
+
+}
+
+/*
+ * Copyright (c) 2005 Charles Lohr
+ * All rights reserved.
+ *
+ * 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, and/or sell copies of the Software, and to permit persons to
+ * whom the Software is furnished to do so, provided that the above
+ * copyright notice(s) and this permission notice appear in all copies of
+ * the Software and that both the above copyright notice(s) and this
+ * permission notice appear in supporting documentation.
+ *
+ * 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 OF
+ * THIRD PARTY RIGHTS. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR HOLDERS
+ * INCLUDED IN THIS NOTICE BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL INDIRECT
+ * OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
+ * OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
+ * OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */