Add devmode music

Song: <NOTHING>

        Song:    DEMOZ
      Format:      OGG
      Volume:   50/100
      Loop A: 00:00.65
      Loop B: 01:06.00
     Elapsed: 01:09.00

src/doomdef.h

@@ -564,7 +564,7 @@ typedef enum
 	DBG_DETAILED		= 0x00000002,
 	DBG_PLAYER			= 0x00000004,
 	DBG_RENDER			= 0x00000008,
-	//DBG_NIGHTSBASIC	= 0x00000010, // free
+	DBG_MUSIC			= 0x00000010,
 	//DBG_NIGHTS		= 0x00000020, // free
 	DBG_POLYOBJ			= 0x00000040,
 	DBG_GAMELOGIC		= 0x00000080,

src/m_cheat.c

@@ -690,6 +690,7 @@ struct debugFlagNames_s const debug_flag_names[] =
 	{"Lua", DBG_LUA},
 	{"RNG", DBG_RNG},
 	{"Randomizer", DBG_RNG}, // alt name
+	{"Music", DBG_MUSIC},
 	{NULL, 0}
 };
 

src/s_sound.c

@@ -1364,7 +1364,7 @@ int musicdef_volume;
 //
 // Find music def by 6 char name
 //
-static musicdef_t *S_FindMusicDef(const char *name)
+musicdef_t *S_FindMusicDef(const char *name)
 {
 	musicdef_t *def = musicdefstart;
 
@@ -2461,8 +2461,6 @@ static inline void PrintMusicDefField(const char *label, const char *field)
 
 static void PrintSongAuthors(const musicdef_t *def)
 {
-	CONS_Printf("Volume: %d/100\n\n", def->volume);
-
 	PrintMusicDefField("Title:  ", def->title);
 	PrintMusicDefField("Author: ", def->author);
 

src/s_sound.h

@@ -202,6 +202,7 @@ extern int musicdef_volume;
 
 void S_LoadMusicDefs(UINT16 wadnum);
 void S_InitMusicDefs(void);
+musicdef_t *S_FindMusicDef(const char *name);
 void S_ShowMusicCredit(void);
 
 //

src/st_stuff.c

@@ -357,6 +357,60 @@ static INT32 SCR(INT32 r)
 // =========================================================================
 
 // Devmode information
+
+static void ST_pushDebugString(INT32 *height, const char *string)
+{
+	V_DrawRightAlignedString(320, *height, V_MONOSPACE, string);
+	*height -= 8;
+}
+
+static void ST_pushDebugTimeMS(INT32 *height, const char *label, UINT32 ms)
+{
+	ST_pushDebugString(height, va("%s%02d:%05.2f", label,
+				ms / 60000, ms % 60000 / 1000.f));
+}
+
+static void ST_drawMusicDebug(INT32 *height)
+{
+	char mname[7];
+	UINT16 mflags; // unused
+	boolean looping;
+
+	const musicdef_t *def;
+	const char *format;
+
+	if (!S_MusicInfo(mname, &mflags, &looping))
+	{
+		ST_pushDebugString(height, "Song: <NOTHING>");
+		return;
+	}
+
+	def = S_FindMusicDef(mname);
+	format = S_MusicType();
+
+	ST_pushDebugTimeMS(height, " Elapsed: ", S_GetMusicPosition());
+	ST_pushDebugTimeMS(height, looping
+			? "  Loop B: "
+			: "Duration: ", S_GetMusicLength());
+
+	if (looping)
+	{
+		ST_pushDebugTimeMS(height, "  Loop A: ", S_GetMusicLoopPoint());
+	}
+
+	if (def)
+	{
+		ST_pushDebugString(height, va("  Volume: %4d/100", def->volume));
+	}
+
+	if (format)
+	{
+		ST_pushDebugString(height, va("  Format: %8s", S_MusicType()));
+	}
+
+	ST_pushDebugString(height, va("    Song: %8s", mname));
+}
+
 static void ST_drawDebugInfo(void)
 {
 	INT32 height = 192;
@@ -419,6 +473,11 @@ static void ST_drawDebugInfo(void)
 		height -= 32;
 	}
 
+	if (cht_debug & DBG_MUSIC)
+	{
+		ST_drawMusicDebug(&height);
+	}
+
 	if (cht_debug & DBG_MEMORY)
 		V_DrawRightAlignedString(320, height,     V_MONOSPACE, va("Heap used: %7sKB", sizeu1(Z_TagsUsage(0, INT32_MAX)>>10)));
 }