Decompile menuhandlerSoloDifficulty

src/include/constants.h

@@ -466,6 +466,7 @@
 #define MENUOP_GET            8
 #define MENUOP_GETSLIDER      9
 #define MENUOP_CHECKDISABLED  12
+#define MENUOP_15             15
 #define MENUOP_CHECKHIDDEN    24
 
 // Object flags - bank 0 (object struct offset 0x08)

src/include/game/game_0f09f0.h

@@ -33,7 +33,7 @@ u32 func0f0f29cc(void);
 u32 func0f0f2b2c(void);
 u32 func0f0f2c44(void);
 u32 func0f0f2cf4(void);
-void func0f0f2f4c(struct menu_dialog *dialog);
+void menuPushDialog(struct menu_dialog *dialog);
 u32 func0f0f3220(void);
 u32 func0f0f33bc(void);
 u32 func0f0f361c(void);

src/include/game/game_102240.h

@@ -8,7 +8,7 @@ u32 func0f10229c(void);
 u32 func0f102330(void);
 u32 func0f103550(void);
 f32 func0f1036ac(s32 arg0, s32 arg1);
-u32 func0f1038ec(void);
+bool isStageDifficultyUnlocked(s32 stagenum, s32 difficulty);
 u32 func0f103e68(void);
 u32 func0f10408c(void);
 u32 func0f104664(void);
@@ -80,7 +80,7 @@ s32 menuhandlerShowGunFunction(u32 operation, struct menu_item *item, bool *enab
 s32 menuhandlerShowMissionTime(u32 operation, struct menu_item *item, bool *enable);
 s32 menuhandlerShowZoomRange(u32 operation, struct menu_item *item, bool *enable);
 s32 menuhandlerSightOnScreen(u32 operation, struct menu_item *item, bool *enable);
-s32 menuhandlerSoloDifficulty(u32 operation, struct menu_item *item, bool *enable);
+s32 menuhandlerSoloDifficulty(u32 operation, struct menu_item *item, s32 *value);
 s32 menuhandlerSoundMode(u32 operation, struct menu_item *item, bool *enable);
 
 #endif

src/include/types.h

@@ -3984,9 +3984,8 @@ struct missionconfig {
 	u8 difficulty : 7;
 	u8 bits0_07 : 1;
 
-	u8 stagenum : 8;
-
-	u8 bits2_00 : 8;
+	/*0x01*/ u8 stagenum;
+	/*0x02*/ u8 unk02;
 
 	u8 iscoop : 1;
 	u8 isanti : 1;