Discover play_music_continuously AI command

src/include/commands.h

@@ -3747,11 +3747,15 @@
 	0x00, \
 	u2,
 
-// Only called in AF1 with param 0x35.
-// Calls some functions and stores the value at 800840c8.
-#define cmd01da(u1) \
+/**
+ * Unsure exactly how this works. I think it replaces the main level theme with
+ * the one specified.
+ *
+ * Track is expected to be a MUSIC constant.
+ */
+#define play_music_continuously(track) \
 	mkshort(0x01da), \
-	u1,
+	track,
 
 /**
  * Kills the given chr.

src/include/constants.h

@@ -324,6 +324,9 @@
 #define CHRHFLAG_40000000           0x40000000 // Air Base and AF1
 #define CHRHFLAG_PSYCHOSISED        0x80000000
 
+// chr->hidden2
+#define CHRH2FLAG_0001 0x0001
+
 // chr->chrflags
 #define CHRCFLAG_00000001                    0x00000001 // Villa takers, Attack Ship Cass and skedar - both set at end of intros
 #define CHRCFLAG_00000002                    0x00000002 // Seems to be set on guards who can spawn clones?

src/include/game/chr/chraicommands.h

@@ -437,7 +437,7 @@
 /*0x01d7*/ bool aiIfDistanceToTarget2LessThan(void);
 /*0x01d8*/ bool aiIfDistanceToTarget2GreaterThan(void);
 /*0x01d9*/ bool ai01d9(void);
-/*0x01da*/ bool ai01da(void);
+/*0x01da*/ bool aiPlayMusicContinuously(void);
 /*0x01db*/ bool aiChrKill(void);
 /*0x01dc*/ bool aiRemoveWeaponFromInventory(void);
 /*0x01dd*/ bool ai01dd(void);