decompile save_follow_mon

include/save_follow_mon.h

@@ -3,20 +3,20 @@
 
 #include "save.h"
 
-struct SaveFollowMon {
-    int mapno;
-    int unk_4_0 : 2;
-    int unk_4_2 : 1;
-};
+typedef struct SaveFollowMon {
+    u32 mapNo;
+    s32 unused      : 2;
+    s32 inhibitFlag : 1;
+} SaveFollowMon;
 
 u32 Save_FollowMon_sizeof(void);
-void Save_FollowMon_Init(struct SaveFollowMon *followPoke);
-struct SaveFollowMon *Save_FollowMon_Get(SaveData *saveData);
-int Save_FollowMon_GetMapId(struct SaveFollowMon *followPoke);
-void Save_FollowMon_SetMapId(int mapno, struct SaveFollowMon *followPoke);
-u8 Save_FollowMon_GetUnused2bitField(struct SaveFollowMon *followPoke); // deadstripped
-void Save_FollowMon_SetUnused2bitField(u8 unk, struct SaveFollowMon *followPoke);
-void Save_FollowMon_SetInhibitFlagState(struct SaveFollowMon *followPoke, u8 state);
-u8 Save_FollowMon_GetInhibitFlagState(struct SaveFollowMon *followPoke);
+void Save_FollowMon_Init(SaveFollowMon *followMon);
+SaveFollowMon *Save_FollowMon_Get(SaveData *saveData);
+void Save_FollowMon_SetMapID(u32 mapNo, SaveFollowMon *followMon);
+u32 Save_FollowMon_GetMapID(SaveFollowMon *followMon);
+u8 Save_FollowMon_GetUnused2bitField(SaveFollowMon *followMon); // deadstripped
+void Save_FollowMon_SetUnused2bitField(u8 value, SaveFollowMon *followMon);
+void Save_FollowMon_SetInhibitFlagState(SaveFollowMon *followMon, u8 flag);
+u8 Save_FollowMon_GetInhibitFlagState(SaveFollowMon *followMon);
 
 #endif // POKEHEARTGOLD_SAVE_FOLLOW_MON_H

main.lsf

@@ -128,7 +128,7 @@ Static main
     Object src/save_rankings.o
     Object asm/unk_0202EB30.o
     Object src/update_dex_received.o
-    Object asm/unk_0202ED18.o
+    Object src/save_follow_mon.o
     Object src/save_pokegear.o
     Object src/safari_zone.o
     Object src/photo_album.o

src/follow_mon.c

@@ -1797,7 +1797,7 @@ BOOL FollowMon_IsVisible(FieldSystem *fieldSystem) {
 BOOL FollowMon_GetPermission(FieldSystem *fieldSystem) {
     u32 mapNo;
 
-    mapNo = Save_FollowMon_GetMapId(Save_FollowMon_Get(fieldSystem->saveData));
+    mapNo = Save_FollowMon_GetMapID(Save_FollowMon_Get(fieldSystem->saveData));
     return FollowMon_GetPermissionBySpeciesAndMap(FollowMon_GetSpecies(fieldSystem->followMon.mapObject), mapNo);
 }
 

src/save_follow_mon.c

@@ -0,0 +1,38 @@
+#include "save_follow_mon.h"
+
+#include "global.h"
+
+#include "save_arrays.h"
+
+u32 Save_FollowMon_sizeof(void) {
+    return sizeof(SaveFollowMon);
+}
+
+void Save_FollowMon_Init(SaveFollowMon *followMon) {
+    memset(followMon, 0, sizeof(SaveFollowMon));
+    followMon->mapNo = 0;
+}
+
+SaveFollowMon *Save_FollowMon_Get(SaveData *saveData) {
+    return (SaveFollowMon *)SaveArray_Get(saveData, SAVE_FOLLOW_MON);
+}
+
+void Save_FollowMon_SetMapID(u32 mapNo, SaveFollowMon *followMon) {
+    followMon->mapNo = mapNo;
+}
+
+u32 Save_FollowMon_GetMapID(SaveFollowMon *followMon) {
+    return followMon->mapNo;
+}
+
+void Save_FollowMon_SetUnused2bitField(u8 value, SaveFollowMon *followMon) {
+    followMon->unused = value;
+}
+
+void Save_FollowMon_SetInhibitFlagState(SaveFollowMon *followMon, u8 flag) {
+    followMon->inhibitFlag = flag;
+}
+
+u8 Save_FollowMon_GetInhibitFlagState(SaveFollowMon *followMon) {
+    return (u8)followMon->inhibitFlag;
+}

src/unk_02055BF0.c

@@ -166,7 +166,7 @@ BOOL sub_02055DBC(TaskManager *man) {
         if (FollowMon_IsActive(fieldSystem) && ov01_022057C4(fieldSystem) && !FollowMon_GetPermission(fieldSystem)) {
             ov01_022057D0(fieldSystem);
         }
-        Save_FollowMon_SetMapId(fieldSystem->location->mapId, Save_FollowMon_Get(fieldSystem->saveData));
+        Save_FollowMon_SetMapID(fieldSystem->location->mapId, Save_FollowMon_Get(fieldSystem->saveData));
         env->destinationMapID = fieldSystem->location->mapId;
         env->state++;
         break;