No wifi + 2 days on train = more decomp (#80)

* No wifi + 2 days on train = more decomp

* layin some more

* one func, one file

9 files changed, 81 insertions, 48 deletions

diff --git a/include/constants/iq_skill.h b/include/constants/iq_skill.h
index f36cee0..8e5809c 100644
--- a/include/constants/iq_skill.h
+++ b/include/constants/iq_skill.h
@@ -3,6 +3,7 @@
 
 enum IQSkill
 {
+    IQ_SKILL_NONE = 0x0,
     IQ_SKILL_TYPE_ADVANTAGE_MASTER = 0x1,
     IQ_SKILL_ITEM_CATCHER = 0x2,
     IQ_SKILL_COURSE_CHECKER = 0x3,
diff --git a/include/constants/wonder_mail.h b/include/constants/wonder_mail.h
index 7ddaac7..c9626ae 100644
--- a/include/constants/wonder_mail.h
+++ b/include/constants/wonder_mail.h
@@ -1,15 +1,6 @@
 #ifndef GUARD_CONSTANTS_WONDER_MAIL_H
 #define GUARD_CONSTANTS_WONDER_MAIL_H 
 
-enum MissionType
-{
-    HELP_POKE,
-    FIND_POKE,
-    ESCORT,
-    FIND_ITEM,
-    DELIVER_ITEM
-};
-
 enum RewardType
 {
     MONEY,
diff --git a/include/dungeon_entity.h b/include/dungeon_entity.h
index 7b56fd8..63c85d6 100644
--- a/include/dungeon_entity.h
+++ b/include/dungeon_entity.h
@@ -187,7 +187,8 @@ struct DungeonEntityData
     u8 fill149[0x14E - 0x149];
     /* 0x14E */ u16 visualFlags;
     /* 0x150 */ u16 previousVisualFlags;
-    u8 fill152[0x15C - 0x152];
+    /* 0x152 */ u8 unk152;
+    u8 fill153[0x15C - 0x153];
     u8 unk15C;
     u8 unk15D;
     u8 unk15E;
diff --git a/include/dungeon_global_data.h b/include/dungeon_global_data.h
index 4d8883f..254a195 100644
--- a/include/dungeon_global_data.h
+++ b/include/dungeon_global_data.h
@@ -40,7 +40,8 @@ struct DungeonGlobalData
     u16 unk66A;
     u8 fill66C[0x671 - 0x66C];
     /* 0x671 */ bool8 monsterHouseActive;
-    u8 fill672[0x363C - 0x672];
+    /* 0x672 */ u8 unk672;
+    u8 fill673[0x363C - 0x673];
     /* 0x363C */ u8 expYieldRankings[NUM_SPECIES];
     u8 fill37E3[0x37FC - 0x37D9];
     /* 0x37FC */ bool8 decoyActive;
diff --git a/include/exclusive_pokemon.h b/include/exclusive_pokemon.h
index 3fd09ea..17bb8ef 100644
--- a/include/exclusive_pokemon.h
+++ b/include/exclusive_pokemon.h
@@ -14,7 +14,7 @@ struct ExclusivePokemonData
 {
     u8 fill0[0x48];
     u32 unk48[4];
-    bool8 Exclusives[NUM_EXCLUSIVE_POKEMON];
+    /* 0x58 */ bool8 Exclusives[NUM_EXCLUSIVE_POKEMON];
 };
 
 #define RED_EXCLUSIVE(species)  \
@@ -36,5 +36,6 @@ extern struct ExclusivePokemonData *gUnknown_203B498;
 void LoadExclusivePokemon(void);
 struct ExclusivePokemonData *GetExclusivePokemon(void);
 void InitializeExclusivePokemon(void);
+void UnlockExclusivePokemon(s16 pokeID);
 
 #endif // GUARD_EXCLUSIVE_POKEMON_H
diff --git a/include/item.h b/include/item.h
index 60a9014..5da4c67 100644
--- a/include/item.h
+++ b/include/item.h
@@ -114,6 +114,7 @@ void MoveToStorage(struct ItemSlot* slot);
 void FillInventoryGaps();
 bool8 sub_8091274(struct HeldItem* slot);
 bool8 IsNotMoneyOrUsedTMItem(u8 id);
+s32 FindItemInInventory(u8 itemIndex);
 
 
 void RestoreHeldItem(struct unkStruct_8094924*, struct HeldItem*);
diff --git a/include/map.h b/include/map.h
index d3d1ed9..a0a5660 100644
--- a/include/map.h
+++ b/include/map.h
@@ -5,11 +5,24 @@
 
 #define MAX_ROOM_COUNT 24 // Empirical max, not sure if the code supports any more.
 
-struct MapTile
+
+struct MapTileBitFlagStair
 {
     /* 0x0 */ u8 tileFlags;
     /* 0x1 */ bool8 stairs;
-    u8 fill2[0x9 - 0x2];
+};
+
+struct MapTile
+{
+    // TODO: can we get rid of the union... is tileFlags a u16 only?
+    union MapTileUnion
+    {
+        struct MapTileBitFlagStair unk0;
+        u16 tileFlags_u16;
+    } MapTileUnion;
+    u16 unk4;
+    u16 unk6;
+    u8 unk8;
     /* 0x9 */ u8 roomIndex;
     // Bitwise flags for whether Pokémon can move to an adjacent tile. Bits correspond to directions in direction.h.
     // Different sets of flags are used for Pokémon that can cross special terrain.
diff --git a/include/memory.h b/include/memory.h
index ef99757..1c8a61b 100644
--- a/include/memory.h
+++ b/include/memory.h
@@ -5,33 +5,33 @@
 
 struct HeapSettings
 {
-    u8 *start;
-    u32 size;
+    /* 0x0 */ u8 *start;
+    /* 0x4 */ u32 size;
 };
 
 struct HeapMemoryBlock {
-    u8 *start;
-    s32 size;
-    s32 allocatedSize;
+    /* 0x0 */ u8 *start;
+    /* 0x4 */ s32 size;
+    /* 0x8 */ s32 allocatedSize;
 };
 
 struct HeapFreeListElement
 {
-    u32 unk_atb;
-    u32 atb;
-    u32 grp;
-    struct HeapMemoryBlock block;
+    /* 0x0 */ u32 unk_atb;
+    /* 0x4 */ u32 atb;
+    /* 0x8 */ u32 grp;
+    /* 0xC */ struct HeapMemoryBlock block;
 };
 
 struct HeapDescriptor
 {
     u32 unk0;
-    struct HeapDescriptor *parentHeap;
-    struct HeapFreeListElement *freeList;
-    s32 freeCount;
-    u32 freeListLength;
-    u8 *start;
-    u32 size;
+    /* 0x4 */ struct HeapDescriptor *parentHeap;
+    /* 0x8 */ struct HeapFreeListElement *freeList;
+    /* 0xC */ s32 freeCount;
+    /* 0x10 */ u32 freeListLength;
+    /* 0x14 */ u8 *start;
+    /* 0x18 */ u32 size;
 };
 
 void InitHeap(void);
diff --git a/include/wonder_mail.h b/include/wonder_mail.h
index b89ce6e..155c780 100644
--- a/include/wonder_mail.h
+++ b/include/wonder_mail.h
@@ -44,9 +44,9 @@ struct WonderMail
 struct WonderMailStruct_203B2C0
 {
     // size: 0x548
-    u32 unk0;
-    u32 state;
-    u8 passwordBuffer[PASSWORD_BUFFER_SIZE];
+    /* 0x0 */ u32 fallbackState;
+    /* 0x4 */ u32 state;
+    /* 0x8 */ u8 passwordBuffer[PASSWORD_BUFFER_SIZE];
     u8 unk3E;
     u32 unk40;
     u32 linkError;
@@ -67,9 +67,9 @@ struct WonderMailStruct_203B2C0
     u8 padding8[0x4C];
     struct UnkTextStruct2 unk35C[4];
     struct UnkTextStruct2 unk3BC[4];
-    u32 unkfill; // unkStruct_41C?
-    struct OpenedFile *faceFile;
-    u8 *faceData;
+    /* 0x41C */ u32 unkfill; // ItemSlot?
+    /* 0x420 */ struct OpenedFile *faceFile;
+    /* 0x424 */ u8 *faceData;
     u16 unk428;
     u16 unk42A;
     u8 unk42C;
@@ -87,12 +87,12 @@ struct WonderMailStruct_203B2C0
 struct WonderMailStruct_203B2C4
 {
     // size: 0x564
-    u8 state;
-    u32 unk4; // wonder mail link status??
-    u8 passwordBuffer[PASSWORD_BUFFER_SIZE]; // Probably a buffer for entry
+    /* 0x0 */ u8 state;
+    /* 0x4 */ u32 fallbackState; // wonder mail link status??
+    /* 0x8 */ u8 passwordBuffer[PASSWORD_BUFFER_SIZE]; // Probably a buffer for entry
     u8 unk3E;
     u32 unk40;
-    u32 linkError; // another link status
+    /* 0x44 */ u32 linkError; // another link status
     u8 filler48[0x1B8 - 0x48];
     struct unkStruct_8095228 unk1B8;
     struct unkStruct_8095228 unk1E8;
@@ -112,9 +112,9 @@ struct WonderMailStruct_203B2C4
     u8 unk42D;
     u8 unk42E;
     u32 unk430;
-    u8 formattedString[0x100];
-    s32 wonderMailMethod;
-    u32 wonderMailMode;
+    /* 0x434 */ u8 formattedString[0x100];
+    /* 0x534 */ s32 wonderMailMethod;
+    /* 0x538 */ u32 wonderMailMode;
     struct unkStruct_802F204 unk53C;
 };
 
@@ -126,17 +126,41 @@ enum WonderMailMode {
 };
 
 enum WonderMailMethod {
-   WONDER_MAIL_GAME_LINK = 3,
-   WONDER_MAIL_PASSWORD = 5, 
+    WONDER_MAIL_GAME_LINK = 3,
+    WONDER_MAIL_PASSWORD = 5, 
 };
 
 enum WonderMailTypes {
-  WONDER_MAIL_TYPE_SOS = 1,
-  WONDER_MAIL_TYPE_AOK = 4,
-  WONDER_MAIL_TYPE_THANK_YOU = 5,
-  WONDER_MAIL_TYPE_WONDER = 5,
+    WONDER_MAIL_TYPE_SOS = 1,
+    WONDER_MAIL_TYPE_AOK = 4,
+    WONDER_MAIL_TYPE_THANK_YOU = 5,
+    WONDER_MAIL_TYPE_WONDER = 5,
+    // TODO: document 7
 };
 
+enum WonderMailMissionTypes
+{
+    WONDER_MAIL_MISSION_TYPE_RESCUE_CLIENT = 0,
+    WONDER_MAIL_MISSION_TYPE_RESCUE_TARGET = 1,
+    WONDER_MAIL_MISSION_TYPE_ESCORT_CLIENT = 2,
+    WONDER_MAIL_MISSION_TYPE_FIND_ITEM = 3,
+    WONDER_MAIL_MISSION_TYPE_DELIVER_ITEM = 4,
+};
 
+enum WonderMailErrorMode {
+    WONDER_MAIL_GOOD = 0,
+    // TODO: document 1
+    WONDER_MAIL_NO_RESPONSE = 2,
+    WONDER_MAIL_INCORRECT_NUM_SYSTEMS = 3,
+    WONDER_MAIL_DIFFERENT_MODES = 4,
+    // TODO: document 5
+    WONDER_MAIL_NO_ROOM_STORAGE = 6,
+    WONDER_MAIL_DUPLICATE_MAIL = 7,
+    WONDER_MAIL_NOT_ELIGIBLE_1 = 9,
+    WONDER_MAIL_NOT_ELIGIBLE_2 = 11,
+    WONDER_MAIL_NO_ROOM_MAIL = 13,
+    // TODO: document 14
+    WONDER_MAIL_NOT_READY = 15,
+};
 
 #endif