Disable music when entering the scenerio_editor.

REDALERT/AUDIOMIX.H

@@ -10,4 +10,5 @@ const char* GetThemeMusicFileName(int index);
 void AudMix_PlayMusic(int musicId);
 const char* GetSpeechFileName(int index);
 void AudMix_QueueVideoAudio(const char* audio_buffer, int length, int rate);
-void AudMix_TickMovieAudio(void);
+void AudMix_TickMovieAudio(void);
+void AudMix_SetMusicState(bool musicState);

REDALERT/AUDMIX.CPP

@@ -66,6 +66,7 @@ struct WAVE_Data {
 #define MAX_AUDIO_SOURCES 32
 #define SPEECH_AUDIO_SOURCE (MAX_AUDIO_SOURCES - 3)
 #define MOVIE_AUDIO_SOURCE (MAX_AUDIO_SOURCES - 2)
+#define MUSIC_AUDIO_SOURCE (MAX_AUDIO_SOURCES - 1)
 ALuint audio_sources[MAX_AUDIO_SOURCES];
 int current_streaming_audiosource = 0;
 
@@ -321,6 +322,15 @@ void PlayAudio(AudioBuffer_t& buffer, bool speech) {
 	currentAudioTSource++;
 }
 
+void AudMix_SetMusicState(bool musicState) {
+	if (!musicState) {
+		alSourcePause(audio_sources[MUSIC_AUDIO_SOURCE]);
+	}
+	else {
+		alSourcePlay(audio_sources[MUSIC_AUDIO_SOURCE]);
+	}
+}
+
 void On_Sound_Effect(int sound_index, int variation, COORDINATE coord, int house)
 {
 	// MBL 06.17.2019

REDALERT/CONQUER.CPP

@@ -104,6 +104,7 @@ TcpipManagerClass	Winsock;
 #include	"ccdde.h"
 #include	"vortex.h"
 #include    "VQAMOVIE.H"
+#include	"AUDIOMIX.H"
 
 #ifdef WOLAPI_INTEGRATION
 //#include "WolDebug.h"
@@ -2537,6 +2538,7 @@ void Go_Editor(bool flag)
 	**	Go into Scenario Editor mode
 	*/
 	if (flag) {
+		AudMix_SetMusicState(false); // jmarshall: disable music if we are in editor mode
 		Debug_Map = true;
 		Debug_Unshroud = true;
 
@@ -2567,7 +2569,7 @@ void Go_Editor(bool flag)
 		Map.Render();
 
 	} else {
-
+		AudMix_SetMusicState(true); // jmarshall: enable music if we are going back into editor mode.
 		/*
 		**	Go into normal game mode
 		*/

REDALERT/MAPEDIT.CPP

@@ -484,7 +484,7 @@ void MapEditClass::AI(KeyNumType & input, int x, int y)
 					Changed = 0;
 				}
 				BaseGauge->Set_Value(Scen.Percent);
-				Go_Editor(!Debug_Map);
+				Go_Editor(!Debug_Map);				
 			}
 		}
 	}