From 19c27b04b6c919336353e788cea1850aad2a0a9d Mon Sep 17 00:00:00 2001
From: Johannes Schickel
Date: Sat, 8 Aug 2009 11:42:29 +0000
Subject: Add workaround for bug #2820054 "DW1: No intro music at first start
 on Wii", which actually happened on all systems, when using the multilanguage
 version.

svn-id: r43119
---
 engines/tinsel/music.cpp | 21 +++++++++++++++++++--
 1 file changed, 19 insertions(+), 2 deletions(-)

(limited to 'engines/tinsel')

diff --git a/engines/tinsel/music.cpp b/engines/tinsel/music.cpp
index 06b70874dc..0e4734851a 100644
--- a/engines/tinsel/music.cpp
+++ b/engines/tinsel/music.cpp
@@ -256,6 +256,22 @@ bool PlayMidiSequence(uint32 dwFileOffset, bool bLoop) {
 
 		midiStream.close();
 
+		// WORKAROUND for bug #2820054 "DW1: No intro music at first start on Wii",
+		// which actually affects all ports, since it's specific to the multi language
+		// version.
+		//
+		// The multilanguage version does not seem to set the channel volume at all for
+		// the intro track, thus we need to do that here. We only initialize the
+		// channels used in that sequence. And we are using 127 as default channel volume.
+		if (_vm->getGameID() == GID_DW1 && dwFileOffset == 38888 &&
+			(_vm->getFeatures() & (GF_USE_3FLAGS | GF_USE_4FLAGS | GF_USE_5FLAGS))) {
+			_vm->_midiMusic->send(0x7F07B0 |  3);
+			_vm->_midiMusic->send(0x7F07B0 |  5);
+			_vm->_midiMusic->send(0x7F07B0 |  8);
+			_vm->_midiMusic->send(0x7F07B0 | 10);
+			_vm->_midiMusic->send(0x7F07B0 | 13);
+		}
+
 		_vm->_midiMusic->playXMIDI(midiBuffer.pDat, dwSeqLen, bLoop);
 
 		// Store the length
@@ -320,10 +336,10 @@ void SetMidiVolume(int vol)	{
 		_vm->_midiMusic->setVolume(vol);
 	} else if (vol != 0 && priorVolMusic == 0) {
 		// Perhaps restart last midi sequence
-		if (currentLoop) {
+		if (currentLoop)
 			PlayMidiSequence(currentMidi, true);
+
 			_vm->_midiMusic->setVolume(vol);
-		}
 	} else if (vol != 0 && priorVolMusic != 0) {
 		// Alter current volume
 		_vm->_midiMusic->setVolume(vol);
@@ -377,6 +393,7 @@ void DeleteMidiBuffer() {
 
 MidiMusicPlayer::MidiMusicPlayer(MidiDriver *driver) : _parser(0), _driver(driver), _looping(false), _isPlaying(false) {
 	memset(_channel, 0, sizeof(_channel));
+	memset(_channelVolume, 0, sizeof(_channelVolume));
 	_masterVolume = 0;
 	this->open();
 	_xmidiParser = MidiParser::createParser_XMIDI();
-- 
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