wc2 tracks for level briefing works

src/game/intro.cpp

@@ -434,6 +434,8 @@ global void ShowIntro(const Intro *intro)
 
     CallbackMusicOff();
     StopMusic();
+    CDPlaySection = "briefing";
+    CDRomCheck(NULL);
     if( intro->VoiceFile[0] ) {
 	PlayFile(intro->VoiceFile[0]);
     }

src/sound/music.cpp

@@ -376,13 +376,21 @@ global int PlayCDRom(const char* name)
 			cd_play(17);
 		    }
 		}
-	    } else if (!GameRunning && track != 15) {
+	    } else if (!strcmp(CDPlaySection, "briefing")) {
+		if (!ThisPlayer->Race && track != 7) {
+		    cd_play(7);
+		} else if (ThisPlayer->Race && track != 15) {
+		    cd_play(15);
+		}
+	    } else if (!strcmp(CDPlaySection, "menu") && track != 15) {
 		cd_play(15);
-	    } else if (GameRunning && !ThisPlayer->Race && (track < 3 || track > 7)) {
+	    } else if (!strcmp(CDPlaySection, "game") && 
+		       !ThisPlayer->Race && (track < 3 || track > 6)) {
 		do CDTrack = (MyRand() % NumCDTracks) + 3;
 		while (CDTrack < 3 || CDTrack > 7); 
 		cd_play(CDTrack);
-	    } else if (GameRunning && ThisPlayer->Race && (track < 11 || track > 14)) {
+	    } else if (!strcmp(CDPlaySection, "game") && 
+		       ThisPlayer->Race && (track < 10 || track > 14)) {
 		do CDTrack = (MyRand() % NumCDTracks) + 9;
 		while (CDTrack < 11 || CDTrack > 14); 
 		cd_play(CDTrack);

src/stratagus/mainloop.cpp

@@ -639,6 +639,7 @@ global void GameMainLoop(void)
 
     MultiPlayerReplayEachCycle();
 
+    CDPlaySection = "game";
     CDRomCheck(NULL);
 
     while( GameRunning ) {