GOB: Play the music on the title screen of Gob1 EGA

The EGA version of Gobliiins comes with an MDY track.
While the original doesn't play it, we thought it might
be a nice idea to play it nevertheless.

1 files changed, 32 insertions, 2 deletions

diff --git a/engines/gob/inter_v1.cpp b/engines/gob/inter_v1.cpp
index 4aa54f720b..6fc472a0ac 100644
--- a/engines/gob/inter_v1.cpp
+++ b/engines/gob/inter_v1.cpp
@@ -286,10 +286,40 @@ void Inter_v1::o1_loadMult() {
 }
 
 void Inter_v1::o1_playMult() {
-	int16 checkEscape;
+	// NOTE: The EGA version of Gobliiins has an MDY tune.
+	//       While the original doesn't play it, we do.
+	bool isGob1EGAIntro = _vm->getGameType() == kGameTypeGob1  &&
+	                      _vm->isEGA()                         &&
+	                      _vm->_game->_script->pos() == 1010   &&
+	                      _vm->isCurrentTot("intro.tot")       &&
+	                      VAR(57) != 0xFFFFFFFF                &&
+	                      _vm->_dataIO->hasFile("goblins.mdy") &&
+	                      _vm->_dataIO->hasFile("goblins.tbr");
+
+	int16 checkEscape = _vm->_game->_script->readInt16();
+
+	if (isGob1EGAIntro) {
+		_vm->_sound->adlibLoadTBR("goblins.tbr");
+		_vm->_sound->adlibLoadMDY("goblins.mdy");
+		_vm->_sound->adlibSetRepeating(-1);
+
+		_vm->_sound->adlibPlay();
+	}
 
-	checkEscape = _vm->_game->_script->readInt16();
 	_vm->_mult->playMult(VAR(57), -1, checkEscape, 0);
+
+	if (isGob1EGAIntro) {
+
+		// User didn't escape the intro mult, wait for an escape here
+		if (VAR(57) != 0xFFFFFFFF) {
+			while (_vm->_util->getKey() != kKeyEscape) {
+				_vm->_util->processInput();
+				_vm->_util->longDelay(1);
+			}
+		}
+
+		_vm->_sound->adlibUnload();
+	}
 }
 
 void Inter_v1::o1_freeMultKeys() {