multiple fixes

.gitignore

@@ -43,5 +43,4 @@ build/
 *.pl
 *.bak
 src/data/items.h
-src/data/items.h # Autogenerated by jsonproc
 tools/br_ips/{br_ips,ips_patch}{,.exe}

include/fldeff.h

@@ -1,6 +1,10 @@
 #ifndef GUARD_FLDEFF_H
 #define GUARD_FLDEFF_H
 
+#define FLDEFF_SET_FUNC_TO_DATA(func)                     \
+gTasks[taskId].data[8] = (u32)func >> 16;                 \
+gTasks[taskId].data[9] = (u32)func;
+
 extern struct MapPosition gPlayerFacingPosition;
 
 bool8 CheckObjectGraphicsInFrontOfPlayer(u8 graphicsId);

src/battle_ai_script_commands.c

@@ -983,7 +983,7 @@ static void BattleAICmd_is_most_powerful_move(void)
         && sDiscouragedPowerfulMoveEffects[i] == 0xFFFF)
     {
         gDynamicBasePower = 0;
-        *(&gBattleStruct->dynamicMoveType) = 0;
+        gBattleStruct->dynamicMoveType = 0;
         gBattleScripting.dmgMultiplier = 1;
         gMoveResultFlags = 0;
         gCritMultiplier = 1;

src/decompress.c

@@ -575,7 +575,7 @@ bool8 LoadCompressedSpriteSheetUsingHeap(const struct CompressedSpriteSheet* src
     struct SpriteSheet dest;
     void* buffer;
 
-    buffer = AllocZeroed(*((u32*)(&src->data[0])) >> 8);
+    buffer = AllocZeroed(*((u32*)src->data) >> 8);
     if (!buffer)
         return TRUE;
     LZ77UnCompWram(src->data, buffer);
@@ -592,7 +592,7 @@ bool8 LoadCompressedSpritePaletteUsingHeap(const struct CompressedSpritePalette
     struct SpritePalette dest;
     void* buffer;
 
-    buffer = AllocZeroed(*((u32*)(&src->data[0])) >> 8);
+    buffer = AllocZeroed(*((u32*)src->data) >> 8);
     if (!buffer)
         return TRUE;
     LZ77UnCompWram(src->data, buffer);

src/fldeff_dig.c

@@ -8,7 +8,7 @@
 #include "sprite.h"
 #include "constants/map_objects.h"
 
-static void hm2_dig(void);
+static void FieldCallback_Dig(void);
 static void sub_80C9AFC(void);
 
 bool8 SetUpFieldMove_Dig(void)
@@ -16,13 +16,13 @@ bool8 SetUpFieldMove_Dig(void)
     if (CanUseEscapeRopeOnCurrMap() == TRUE)
     {
         gFieldCallback2 = FieldCallback_PrepareFadeInFromMenu;
-        gPostMenuFieldCallback = hm2_dig;
+        gPostMenuFieldCallback = FieldCallback_Dig;
         return TRUE;
     }
     return FALSE;
 }
 
-static void hm2_dig(void)
+static void FieldCallback_Dig(void)
 {
     Overworld_ResetStateAfterDigEscRope();
     FieldEffectStart(FLDEFF_USE_DIG);
@@ -33,8 +33,7 @@ bool8 FldEff_UseDig(void)
 {
     u8 taskId = oei_task_add();
 
-    gTasks[taskId].data[8] = (u32)sub_80C9AFC >> 16;
-    gTasks[taskId].data[9] = (u32)sub_80C9AFC;
+    FLDEFF_SET_FUNC_TO_DATA(sub_80C9AFC);
     SetPlayerAvatarTransitionFlags(PLAYER_AVATAR_FLAG_ON_FOOT);
     return FALSE;
 }

src/fldeff_rocksmash.c

@@ -124,8 +124,7 @@ bool8 FldEff_UseRockSmash(void)
 {
     u8 taskId = oei_task_add();
 
-    gTasks[taskId].data[8] = (u32)sub_80C9A60 >> 16;
-    gTasks[taskId].data[9] = (u32)sub_80C9A60;
+    FLDEFF_SET_FUNC_TO_DATA(sub_80C9A60);
     IncrementGameStat(GAME_STAT_USED_ROCK_SMASH);
     return FALSE;
 }

src/fldeff_strength.c

@@ -35,8 +35,7 @@ static void FldEff_UseStrength(void)
 bool8 sub_80D0860(void)
 {
     u8 taskId = oei_task_add();
-    gTasks[taskId].data[8] = (u32)sub_80D08A8 >> 16;
-    gTasks[taskId].data[9] = (u32)sub_80D08A8;
+    FLDEFF_SET_FUNC_TO_DATA(sub_80D08A8);
     GetMonNickname(&gPlayerParty[gFieldEffectArguments[0]], gStringVar1);
     return FALSE;
 }

src/fldeff_sweetscent.c

@@ -43,8 +43,7 @@ bool8 FldEff_SweetScent(void)
 
     SetWeatherScreenFadeOut();
     taskId = oei_task_add();
-    gTasks[taskId].data[8] = (u32)StartSweetScentFieldEffect >> 16;
-    gTasks[taskId].data[9] = (u32)StartSweetScentFieldEffect;
+    FLDEFF_SET_FUNC_TO_DATA(StartSweetScentFieldEffect);
     return FALSE;
 }
 

src/fldeff_teleport.c

@@ -29,8 +29,7 @@ static void FieldCallback_Teleport(void)
 bool8 FldEff_UseTeleport(void)
 {
     u8 taskId = oei_task_add();
-    gTasks[taskId].data[8] = (u32)StartTeleportFieldEffect >> 16;
-    gTasks[taskId].data[9] = (u32)StartTeleportFieldEffect;
+    FLDEFF_SET_FUNC_TO_DATA(StartTeleportFieldEffect);
     SetPlayerAvatarTransitionFlags(PLAYER_AVATAR_FLAG_ON_FOOT);
     return FALSE;
 }

src/load_save.c

@@ -6,6 +6,7 @@
 #include "random.h"
 #include "malloc.h"
 #include "item.h"
+#include "save_location.h"
 
 extern void SetBagPocketsPointers(void);
 extern void sub_8110840(void *oldSave);
@@ -132,28 +133,28 @@ void MoveSaveBlocks_ResetHeap(void)
 
 u32 sav2_x1_query_bit1(void)
 {
-    return gSaveBlock2Ptr->specialSaveWarpFlags & 1;
+    return gSaveBlock2Ptr->specialSaveWarpFlags & CONTINUE_GAME_WARP;
 }
 
 void sav2_x9_clear_bit1(void)
 {
-    gSaveBlock2Ptr->specialSaveWarpFlags &= ~1;
+    gSaveBlock2Ptr->specialSaveWarpFlags &= ~CONTINUE_GAME_WARP;
 }
 
 void sub_804C1AC(void)
 {
-    gSaveBlock2Ptr->specialSaveWarpFlags |= 1;
+    gSaveBlock2Ptr->specialSaveWarpFlags |= CONTINUE_GAME_WARP;
 }
 
 void sub_804C1C0(void)
 {
     sub_8055778(0);
-    gSaveBlock2Ptr->specialSaveWarpFlags |= 1;
+    gSaveBlock2Ptr->specialSaveWarpFlags |= CONTINUE_GAME_WARP;
 }
 
 void sav2_gender2_inplace_and_xFE(void)
 {
-    gSaveBlock2Ptr->specialSaveWarpFlags &= ~1;
+    gSaveBlock2Ptr->specialSaveWarpFlags &= ~CONTINUE_GAME_WARP;
 }
 
 void SavePlayerParty(void)

src/mail_data.c

@@ -73,17 +73,21 @@ u8 GiveMailToMon(struct Pokemon *mon, u16 itemId)
 
 u16 SpeciesToMailSpecies(u16 species, u32 personality)
 {
-    return species == 0xC9 ? ((GetUnownLetterByPersonality(personality) << 16) + 0x75300000) >> 16 : species;
+    if (species == SPECIES_UNOWN) {
+        u32 mailSpecies = GetUnownLetterByPersonality(personality) + 30000;
+        return mailSpecies;
+    }
+    return species;
 }
 
-u16 MailSpeciesToSpecies(u16 mailSpecies, u16 *buffer)
+u16 MailSpeciesToSpecies(u16 mailSpecies, u16 *unownLetter)
 {
     u16 result;
 
     if (mailSpecies >= 30000 && mailSpecies < (30000 + UNOWN_FORM_COUNT))
     {
         result = SPECIES_UNOWN;
-        *buffer = mailSpecies - 30000;
+        *unownLetter = mailSpecies - 30000;
     }
     else
     {