finish decompiling item_use.c (#244)

* nonmatching sub_80C9720 and decompile sub_80C9838

* finish decompiling Itemfinder functions.

* decompile ItemUseOutOfBattle_PokeblockCase and ItemUseOutOfBattle_CoinCase

* rename field_doortransition

* rename weather file

* decompile more of item_use.c

* decompile up to repel code

* decompile up to stat increase code

* finish decompiling item_use.c

* remove item_use from ld_script

20 files changed, 920 insertions, 2099 deletions

diff --git a/asm/field_doortransition.s b/asm/field_fadetransition.s
index 798285a45..798285a45 100644
--- a/asm/field_doortransition.s
+++ b/asm/field_fadetransition.s
diff --git a/asm/weather.s b/asm/field_screeneffect.s
index 01190c75e..01190c75e 100644
--- a/asm/weather.s
+++ b/asm/field_screeneffect.s
diff --git a/asm/item_use.s b/asm/item_use.s
deleted file mode 100644
index 66b9d7800..000000000
--- a/asm/item_use.s
+++ /dev/null
@@ -1,2029 +0,0 @@
-	.include "constants/gba_constants.inc"
-	.include "constants/species_constants.inc"
-	.include "asm/macros.inc"
-
-	.syntax unified
-
-	.text
-
-	thumb_func_start sub_80C9720
-sub_80C9720: @ 80C9720
-	push {r4-r7,lr}
-	mov r7, r10
-	mov r6, r9
-	mov r5, r8
-	push {r5-r7}
-	sub sp, 0x14
-	lsls r0, 24
-	lsrs r0, 24
-	str r0, [sp, 0x4]
-	ldr r0, _080C9834 @ =gMapHeader
-	ldr r1, [r0]
-	ldr r0, [r1]
-	adds r0, 0x7
-	lsls r0, 16
-	lsrs r0, 16
-	str r0, [sp, 0x8]
-	ldr r0, [r1, 0x4]
-	adds r0, 0x7
-	lsls r0, 16
-	lsrs r0, 16
-	str r0, [sp, 0xC]
-	mov r4, sp
-	adds r4, 0x2
-	mov r0, sp
-	adds r1, r4, 0
-	bl PlayerGetDestCoords
-	mov r0, sp
-	ldrh r0, [r0]
-	subs r0, 0x7
-	lsls r0, 16
-	lsrs r3, r0, 16
-	asrs r0, 16
-	mov r1, sp
-	movs r2, 0
-	ldrsh r1, [r1, r2]
-	adds r1, 0x7
-	cmp r0, r1
-	bgt _080C9824
-_080C976E:
-	mov r5, sp
-	ldrh r0, [r5, 0x2]
-	subs r0, 0x5
-	lsls r0, 16
-	lsrs r4, r0, 16
-	lsls r2, r4, 16
-	asrs r1, r2, 16
-	movs r6, 0x2
-	ldrsh r0, [r5, r6]
-	adds r0, 0x5
-	lsls r3, 16
-	mov r8, r3
-	cmp r1, r0
-	bgt _080C980E
-	movs r0, 0x7
-	str r0, [sp, 0x10]
-	mov r1, r8
-	asrs r1, 16
-	mov r9, r1
-	mov r10, r0
-_080C9796:
-	ldr r3, [sp, 0x10]
-	cmp r3, r9
-	bgt _080C97B8
-	ldr r5, [sp, 0x8]
-	lsls r0, r5, 16
-	asrs r0, 16
-	cmp r9, r0
-	bge _080C97B8
-	asrs r1, r2, 16
-	cmp r10, r1
-	bgt _080C97B8
-	ldr r6, [sp, 0xC]
-	lsls r0, r6, 16
-	asrs r0, 16
-	lsls r7, r4, 16
-	cmp r1, r0
-	blt _080C97F6
-_080C97B8:
-	mov r0, r8
-	asrs r5, r0, 16
-	lsls r4, 16
-	asrs r6, r4, 16
-	adds r0, r5, 0
-	adds r1, r6, 0
-	bl sub_8056BA0
-	adds r7, r4, 0
-	cmp r0, 0
-	beq _080C97F6
-	adds r1, r5, 0
-	adds r2, r6, 0
-	bl sub_80C9688
-	lsls r0, 24
-	lsrs r0, 24
-	cmp r0, 0x1
-	bne _080C97F6
-	mov r0, sp
-	ldrh r1, [r0]
-	subs r1, r5, r1
-	lsls r1, 16
-	asrs r1, 16
-	ldrh r2, [r0, 0x2]
-	subs r2, r6, r2
-	lsls r2, 16
-	asrs r2, 16
-	ldr r0, [sp, 0x4]
-	bl sub_80C9838
-_080C97F6:
-	movs r1, 0x80
-	lsls r1, 9
-	adds r0, r7, r1
-	lsrs r4, r0, 16
-	lsls r2, r4, 16
-	asrs r1, r2, 16
-	mov r3, sp
-	movs r5, 0x2
-	ldrsh r0, [r3, r5]
-	adds r0, 0x5
-	cmp r1, r0
-	ble _080C9796
-_080C980E:
-	movs r1, 0x80
-	lsls r1, 9
-	add r1, r8
-	lsrs r3, r1, 16
-	asrs r1, 16
-	mov r0, sp
-	movs r6, 0
-	ldrsh r0, [r0, r6]
-	adds r0, 0x7
-	cmp r1, r0
-	ble _080C976E
-_080C9824:
-	add sp, 0x14
-	pop {r3-r5}
-	mov r8, r3
-	mov r9, r4
-	mov r10, r5
-	pop {r4-r7}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_080C9834: .4byte gMapHeader
-	thumb_func_end sub_80C9720
-
-	thumb_func_start sub_80C9838
-sub_80C9838: @ 80C9838
-	push {r4-r7,lr}
-	mov r7, r9
-	mov r6, r8
-	push {r6,r7}
-	lsls r0, 24
-	lsrs r0, 24
-	lsls r1, 16
-	lsrs r7, r1, 16
-	lsls r2, 16
-	lsrs r2, 16
-	mov r12, r2
-	lsls r1, r0, 2
-	adds r1, r0
-	lsls r1, 3
-	ldr r0, _080C986C @ =gTasks + 0x8
-	adds r3, r1, r0
-	movs r1, 0x4
-	ldrsh r0, [r3, r1]
-	cmp r0, 0
-	bne _080C9870
-	strh r7, [r3]
-	mov r0, r12
-	strh r0, [r3, 0x2]
-	movs r0, 0x1
-	strh r0, [r3, 0x4]
-	b _080C98FA
-	.align 2, 0
-_080C986C: .4byte gTasks + 0x8
-_080C9870:
-	movs r1, 0
-	ldrsh r0, [r3, r1]
-	cmp r0, 0
-	bge _080C9880
-	negs r0, r0
-	lsls r0, 16
-	lsrs r4, r0, 16
-	b _080C9882
-_080C9880:
-	ldrh r4, [r3]
-_080C9882:
-	movs r1, 0x2
-	ldrsh r0, [r3, r1]
-	ldrh r1, [r3, 0x2]
-	mov r9, r1
-	cmp r0, 0
-	bge _080C9896
-	negs r0, r0
-	lsls r0, 16
-	lsrs r2, r0, 16
-	b _080C9898
-_080C9896:
-	ldrh r2, [r3, 0x2]
-_080C9898:
-	lsls r1, r7, 16
-	asrs r0, r1, 16
-	cmp r0, 0
-	bge _080C98A8
-	negs r0, r0
-	lsls r0, 16
-	lsrs r6, r0, 16
-	b _080C98AA
-_080C98A8:
-	lsrs r6, r1, 16
-_080C98AA:
-	mov r1, r12
-	lsls r0, r1, 16
-	asrs r1, r0, 16
-	mov r8, r0
-	cmp r1, 0
-	bge _080C98BC
-	negs r0, r1
-	lsls r0, 16
-	b _080C98BE
-_080C98BC:
-	mov r0, r8
-_080C98BE:
-	lsrs r5, r0, 16
-	lsls r0, r4, 16
-	asrs r0, 16
-	lsls r1, r2, 16
-	asrs r2, r1, 16
-	adds r4, r0, r2
-	lsls r0, r6, 16
-	asrs r0, 16
-	lsls r1, r5, 16
-	asrs r1, 16
-	adds r0, r1
-	cmp r4, r0
-	ble _080C98E0
-	strh r7, [r3]
-	mov r1, r12
-	strh r1, [r3, 0x2]
-	b _080C98FA
-_080C98E0:
-	cmp r4, r0
-	bne _080C98FA
-	cmp r2, r1
-	bgt _080C98F4
-	cmp r2, r1
-	bne _080C98FA
-	mov r1, r9
-	lsls r0, r1, 16
-	cmp r0, r8
-	bge _080C98FA
-_080C98F4:
-	strh r7, [r3]
-	mov r0, r12
-	strh r0, [r3, 0x2]
-_080C98FA:
-	pop {r3,r4}
-	mov r8, r3
-	mov r9, r4
-	pop {r4-r7}
-	pop {r0}
-	bx r0
-	thumb_func_end sub_80C9838
-
-	thumb_func_start GetPlayerDirectionTowardsHiddenItem
-GetPlayerDirectionTowardsHiddenItem: @ 80C9908
-	push {r4,r5,lr}
-	lsls r0, 16
-	lsls r1, 16
-	lsrs r1, 16
-	lsrs r2, r0, 16
-	cmp r0, 0
-	bne _080C991A
-	cmp r1, 0
-	beq _080C9974
-_080C991A:
-	lsls r0, r2, 16
-	asrs r2, r0, 16
-	adds r5, r0, 0
-	cmp r2, 0
-	bge _080C992C
-	negs r0, r2
-	lsls r0, 16
-	lsrs r4, r0, 16
-	b _080C992E
-_080C992C:
-	lsrs r4, r5, 16
-_080C992E:
-	lsls r0, r1, 16
-	asrs r2, r0, 16
-	adds r1, r0, 0
-	cmp r2, 0
-	bge _080C9940
-	negs r0, r2
-	lsls r0, 16
-	lsrs r3, r0, 16
-	b _080C9942
-_080C9940:
-	lsrs r3, r1, 16
-_080C9942:
-	lsls r0, r4, 16
-	asrs r2, r0, 16
-	lsls r0, r3, 16
-	asrs r0, 16
-	cmp r2, r0
-	ble _080C995A
-	cmp r5, 0
-	bge _080C9956
-	movs r0, 0x4
-	b _080C9976
-_080C9956:
-	movs r0, 0x2
-	b _080C9976
-_080C995A:
-	cmp r2, r0
-	bge _080C9964
-	cmp r1, 0
-	blt _080C996C
-	b _080C9970
-_080C9964:
-	cmp r2, r0
-	bne _080C9974
-	cmp r1, 0
-	bge _080C9970
-_080C996C:
-	movs r0, 0x1
-	b _080C9976
-_080C9970:
-	movs r0, 0x3
-	b _080C9976
-_080C9974:
-	movs r0, 0
-_080C9976:
-	pop {r4,r5}
-	pop {r1}
-	bx r1
-	thumb_func_end GetPlayerDirectionTowardsHiddenItem
-
-	thumb_func_start SetPlayerDirectionTowardsItem
-SetPlayerDirectionTowardsItem: @ 80C997C
-	push {r4,r5,lr}
-	adds r5, r0, 0
-	lsls r5, 24
-	lsrs r5, 24
-	movs r0, 0xFF
-	movs r1, 0
-	movs r2, 0
-	bl GetFieldObjectIdByLocalIdAndMap
-	adds r1, r0, 0
-	lsls r1, 24
-	lsrs r1, 24
-	lsls r0, r1, 3
-	adds r0, r1
-	lsls r0, 2
-	ldr r4, _080C99E8 @ =gMapObjects
-	adds r0, r4
-	bl FieldObjectClearAnimIfSpecialAnimFinished
-	movs r0, 0xFF
-	movs r1, 0
-	movs r2, 0
-	bl GetFieldObjectIdByLocalIdAndMap
-	adds r1, r0, 0
-	lsls r1, 24
-	lsrs r1, 24
-	lsls r0, r1, 3
-	adds r0, r1
-	lsls r0, 2
-	adds r0, r4
-	bl FieldObjectClearAnim
-	movs r0, 0xFF
-	movs r1, 0
-	movs r2, 0
-	bl GetFieldObjectIdByLocalIdAndMap
-	adds r1, r0, 0
-	lsls r1, 24
-	lsrs r1, 24
-	lsls r0, r1, 3
-	adds r0, r1
-	lsls r0, 2
-	adds r0, r4
-	bl UnfreezeMapObject
-	adds r0, r5, 0
-	bl PlayerTurnInPlace
-	pop {r4,r5}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_080C99E8: .4byte gMapObjects
-	thumb_func_end SetPlayerDirectionTowardsItem
-
-	thumb_func_start DisplayItemRespondingMessageAndExitItemfinder
-DisplayItemRespondingMessageAndExitItemfinder: @ 80C99EC
-	push {r4,lr}
-	lsls r0, 24
-	lsrs r4, r0, 24
-	movs r0, 0xFF
-	movs r1, 0
-	movs r2, 0
-	bl GetFieldObjectIdByLocalIdAndMap
-	adds r1, r0, 0
-	lsls r1, 24
-	lsrs r1, 24
-	lsls r0, r1, 3
-	adds r0, r1
-	lsls r0, 2
-	ldr r1, _080C9A2C @ =gMapObjects
-	adds r0, r1
-	bl FieldObjectCheckIfSpecialAnimFinishedOrInactive
-	lsls r0, 24
-	lsrs r0, 24
-	cmp r0, 0x1
-	bne _080C9A24
-	ldr r1, _080C9A30 @ =gOtherText_ItemfinderResponding
-	ldr r2, _080C9A34 @ =ExitItemfinder
-	adds r0, r4, 0
-	movs r3, 0
-	bl DisplayItemMessageOnField
-_080C9A24:
-	pop {r4}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_080C9A2C: .4byte gMapObjects
-_080C9A30: .4byte gOtherText_ItemfinderResponding
-_080C9A34: .4byte ExitItemfinder
-	thumb_func_end DisplayItemRespondingMessageAndExitItemfinder
-
-	thumb_func_start RotatePlayerAndExitItemfinder
-RotatePlayerAndExitItemfinder: @ 80C9A38
-	push {r4,r5,lr}
-	lsls r0, 24
-	lsrs r0, 24
-	adds r5, r0, 0
-	lsls r0, r5, 2
-	adds r0, r5
-	lsls r0, 3
-	ldr r1, _080C9AB4 @ =gTasks + 0x8
-	adds r4, r0, r1
-	movs r0, 0xFF
-	movs r1, 0
-	movs r2, 0
-	bl GetFieldObjectIdByLocalIdAndMap
-	adds r1, r0, 0
-	lsls r1, 24
-	lsrs r1, 24
-	lsls r0, r1, 3
-	adds r0, r1
-	lsls r0, 2
-	ldr r1, _080C9AB8 @ =gMapObjects
-	adds r0, r1
-	bl FieldObjectCheckIfSpecialAnimFinishedOrInactive
-	lsls r0, 24
-	lsrs r0, 24
-	cmp r0, 0x1
-	beq _080C9A78
-	movs r1, 0x4
-	ldrsh r0, [r4, r1]
-	cmp r0, 0
-	bne _080C9AAE
-_080C9A78:
-	ldr r1, _080C9ABC @ =gItemFinderDirections
-	movs r2, 0xA
-	ldrsh r0, [r4, r2]
-	adds r0, r1
-	ldrb r0, [r0]
-	bl SetPlayerDirectionTowardsItem
-	movs r0, 0x1
-	strh r0, [r4, 0x4]
-	ldrh r0, [r4, 0xA]
-	adds r0, 0x1
-	movs r1, 0x3
-	ands r0, r1
-	strh r0, [r4, 0xA]
-	ldrh r0, [r4, 0x6]
-	adds r0, 0x1
-	strh r0, [r4, 0x6]
-	lsls r0, 16
-	asrs r0, 16
-	cmp r0, 0x4
-	bne _080C9AAE
-	ldr r1, _080C9AC0 @ =gOtherText_ItemfinderItemUnderfoot
-	ldr r2, _080C9AC4 @ =ExitItemfinder
-	adds r0, r5, 0
-	movs r3, 0
-	bl DisplayItemMessageOnField
-_080C9AAE:
-	pop {r4,r5}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_080C9AB4: .4byte gTasks + 0x8
-_080C9AB8: .4byte gMapObjects
-_080C9ABC: .4byte gItemFinderDirections
-_080C9AC0: .4byte gOtherText_ItemfinderItemUnderfoot
-_080C9AC4: .4byte ExitItemfinder
-	thumb_func_end RotatePlayerAndExitItemfinder
-
-	thumb_func_start ItemUseOutOfBattle_PokeblockCase
-ItemUseOutOfBattle_PokeblockCase: @ 80C9AC8
-	push {r4,r5,lr}
-	lsls r0, 24
-	lsrs r4, r0, 24
-	adds r5, r4, 0
-	bl sub_80F9344
-	lsls r0, 24
-	lsrs r0, 24
-	cmp r0, 0x1
-	bne _080C9AF4
-	ldr r0, _080C9AF0 @ =gTasks
-	lsls r1, r4, 2
-	adds r1, r4
-	lsls r1, 3
-	adds r1, r0
-	ldrb r1, [r1, 0xC]
-	adds r0, r4, 0
-	bl DisplayDadsAdviceCannotUseItemMessage
-	b _080C9B2A
-	.align 2, 0
-_080C9AF0: .4byte gTasks
-_080C9AF4:
-	ldr r0, _080C9B14 @ =gTasks
-	lsls r1, r4, 2
-	adds r1, r4
-	lsls r1, 3
-	adds r1, r0
-	movs r2, 0xC
-	ldrsh r0, [r1, r2]
-	cmp r0, 0x1
-	beq _080C9B18
-	movs r0, 0
-	bl sub_810BA7C
-	adds r0, r4, 0
-	bl ItemMenu_ConfirmNormalFade
-	b _080C9B2A
-	.align 2, 0
-_080C9B14: .4byte gTasks
-_080C9B18:
-	ldr r1, _080C9B30 @ =gUnknown_0300485C
-	ldr r0, _080C9B34 @ =sub_8080E28
-	str r0, [r1]
-	movs r0, 0x1
-	bl sub_810BA7C
-	adds r0, r5, 0
-	bl ItemMenu_ConfirmComplexFade
-_080C9B2A:
-	pop {r4,r5}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_080C9B30: .4byte gUnknown_0300485C
-_080C9B34: .4byte sub_8080E28
-	thumb_func_end ItemUseOutOfBattle_PokeblockCase
-
-	thumb_func_start ItemUseOutOfBattle_CoinCase
-ItemUseOutOfBattle_CoinCase: @ 80C9B38
-	push {r4,r5,lr}
-	lsls r0, 24
-	lsrs r5, r0, 24
-	ldr r4, _080C9B8C @ =gStringVar1
-	bl GetCoins
-	adds r1, r0, 0
-	lsls r1, 16
-	lsrs r1, 16
-	adds r0, r4, 0
-	movs r2, 0
-	movs r3, 0x4
-	bl ConvertIntToDecimalStringN
-	ldr r4, _080C9B90 @ =gStringVar4
-	ldr r1, _080C9B94 @ =gOtherText_Coins3
-	adds r0, r4, 0
-	bl StringExpandPlaceholders
-	ldr r1, _080C9B98 @ =gTasks
-	lsls r0, r5, 2
-	adds r0, r5
-	lsls r0, 3
-	adds r0, r1
-	movs r1, 0xC
-	ldrsh r0, [r0, r1]
-	cmp r0, 0
-	bne _080C9BA0
-	movs r0, 0
-	movs r1, 0xD
-	movs r2, 0xD
-	movs r3, 0x14
-	bl MenuZeroFillWindowRect
-	ldr r2, _080C9B9C @ =CleanUpItemMenuMessage
-	adds r0, r5, 0
-	adds r1, r4, 0
-	movs r3, 0x1
-	bl DisplayItemMessageOnField
-	b _080C9BAC
-	.align 2, 0
-_080C9B8C: .4byte gStringVar1
-_080C9B90: .4byte gStringVar4
-_080C9B94: .4byte gOtherText_Coins3
-_080C9B98: .4byte gTasks
-_080C9B9C: .4byte CleanUpItemMenuMessage
-_080C9BA0:
-	ldr r2, _080C9BB4 @ =CleanUpOverworldMessage
-	adds r0, r5, 0
-	adds r1, r4, 0
-	movs r3, 0
-	bl DisplayItemMessageOnField
-_080C9BAC:
-	pop {r4,r5}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_080C9BB4: .4byte CleanUpOverworldMessage
-	thumb_func_end ItemUseOutOfBattle_CoinCase
-
-	thumb_func_start sub_80C9BB8
-sub_80C9BB8: @ 80C9BB8
-	push {lr}
-	lsls r0, 24
-	lsrs r2, r0, 24
-	ldr r0, _080C9BD4 @ =gMain
-	ldrh r1, [r0, 0x2E]
-	movs r0, 0x1
-	ands r0, r1
-	cmp r0, 0
-	beq _080C9BD0
-	adds r0, r2, 0
-	bl CleanUpItemMenuMessage
-_080C9BD0:
-	pop {r0}
-	bx r0
-	.align 2, 0
-_080C9BD4: .4byte gMain
-	thumb_func_end sub_80C9BB8
-
-	thumb_func_start sub_80C9BD8
-sub_80C9BD8: @ 80C9BD8
-	push {lr}
-	lsls r0, 24
-	lsrs r2, r0, 24
-	ldr r0, _080C9BF4 @ =gMain
-	ldrh r1, [r0, 0x2E]
-	movs r0, 0x1
-	ands r0, r1
-	cmp r0, 0
-	beq _080C9BF0
-	adds r0, r2, 0
-	bl CleanUpOverworldMessage
-_080C9BF0:
-	pop {r0}
-	bx r0
-	.align 2, 0
-_080C9BF4: .4byte gMain
-	thumb_func_end sub_80C9BD8
-
-	thumb_func_start unref_sub_80C9BF8
-unref_sub_80C9BF8: @ 80C9BF8
-	push {r4,r5,lr}
-	lsls r0, 24
-	lsrs r5, r0, 24
-	ldr r1, _080C9C3C @ =gTasks
-	lsls r0, r5, 2
-	adds r0, r5
-	lsls r0, 3
-	adds r0, r1
-	movs r1, 0xC
-	ldrsh r0, [r0, r1]
-	cmp r0, 0
-	bne _080C9C4C
-	movs r0, 0
-	movs r1, 0xD
-	movs r2, 0xD
-	movs r3, 0x14
-	bl MenuZeroFillWindowRect
-	ldr r4, _080C9C40 @ =gUnknown_083D61DC
-	ldr r0, _080C9C44 @ =gScriptItemId
-	ldrh r0, [r0]
-	bl ItemId_GetSecondaryId
-	lsls r0, 24
-	lsrs r0, 22
-	adds r0, r4
-	ldr r1, [r0]
-	ldr r2, _080C9C48 @ =sub_80C9BB8
-	adds r0, r5, 0
-	movs r3, 0x1
-	bl DisplayItemMessageOnField
-	b _080C9C68
-	.align 2, 0
-_080C9C3C: .4byte gTasks
-_080C9C40: .4byte gUnknown_083D61DC
-_080C9C44: .4byte gScriptItemId
-_080C9C48: .4byte sub_80C9BB8
-_080C9C4C:
-	ldr r4, _080C9C70 @ =gUnknown_083D61DC
-	ldr r0, _080C9C74 @ =gScriptItemId
-	ldrh r0, [r0]
-	bl ItemId_GetSecondaryId
-	lsls r0, 24
-	lsrs r0, 22
-	adds r0, r4
-	ldr r1, [r0]
-	ldr r2, _080C9C78 @ =sub_80C9BD8
-	adds r0, r5, 0
-	movs r3, 0
-	bl DisplayItemMessageOnField
-_080C9C68:
-	pop {r4,r5}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_080C9C70: .4byte gUnknown_083D61DC
-_080C9C74: .4byte gScriptItemId
-_080C9C78: .4byte sub_80C9BD8
-	thumb_func_end unref_sub_80C9BF8
-
-	thumb_func_start sub_80C9C7C
-sub_80C9C7C: @ 80C9C7C
-	push {r4,lr}
-	sub sp, 0x4
-	lsls r0, 24
-	lsrs r4, r0, 24
-	bl IsPlayerFacingPlantedBerryTree
-	lsls r0, 24
-	lsrs r0, 24
-	cmp r0, 0x1
-	bne _080C9CE4
-	ldr r1, _080C9CC8 @ =gUnknown_03005D00
-	ldr r0, _080C9CCC @ =sub_80C9D00
-	str r0, [r1]
-	ldr r1, _080C9CD0 @ =gUnknown_0300485C
-	ldr r0, _080C9CD4 @ =ExecuteItemUseFromBlackPalette
-	str r0, [r1]
-	ldr r1, _080C9CD8 @ =gTasks
-	lsls r0, r4, 2
-	adds r0, r4
-	lsls r0, 3
-	adds r0, r1
-	ldr r2, _080C9CDC @ =c2_exit_to_overworld_2_switch
-	lsrs r1, r2, 16
-	movs r3, 0
-	strh r1, [r0, 0x18]
-	strh r2, [r0, 0x1A]
-	ldr r1, _080C9CE0 @ =HandleItemMenuPaletteFade
-	str r1, [r0]
-	movs r0, 0x1
-	negs r0, r0
-	str r3, [sp]
-	movs r1, 0
-	movs r2, 0
-	movs r3, 0x10
-	bl BeginNormalPaletteFade
-	b _080C9CF4
-	.align 2, 0
-_080C9CC8: .4byte gUnknown_03005D00
-_080C9CCC: .4byte sub_80C9D00
-_080C9CD0: .4byte gUnknown_0300485C
-_080C9CD4: .4byte ExecuteItemUseFromBlackPalette
-_080C9CD8: .4byte gTasks
-_080C9CDC: .4byte c2_exit_to_overworld_2_switch
-_080C9CE0: .4byte HandleItemMenuPaletteFade
-_080C9CE4:
-	ldr r0, _080C9CFC @ =gScriptItemId
-	ldrh r0, [r0]
-	bl ItemId_GetFieldFunc
-	adds r1, r0, 0
-	adds r0, r4, 0
-	bl _call_via_r1
-_080C9CF4:
-	add sp, 0x4
-	pop {r4}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_080C9CFC: .4byte gScriptItemId
-	thumb_func_end sub_80C9C7C
-
-	thumb_func_start sub_80C9D00
-sub_80C9D00: @ 80C9D00
-	push {r4,lr}
-	adds r4, r0, 0
-	lsls r4, 24
-	lsrs r4, 24
-	ldr r0, _080C9D28 @ =gScriptItemId
-	ldrh r0, [r0]
-	movs r1, 0x1
-	bl RemoveBagItem
-	bl ScriptContext2_Enable
-	ldr r0, _080C9D2C @ =gUnknown_081A1654
-	bl ScriptContext1_SetupScript
-	adds r0, r4, 0
-	bl DestroyTask
-	pop {r4}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_080C9D28: .4byte gScriptItemId
-_080C9D2C: .4byte gUnknown_081A1654
-	thumb_func_end sub_80C9D00
-
-	thumb_func_start ItemUseOutOfBattle_WailmerPail
-ItemUseOutOfBattle_WailmerPail: @ 80C9D30
-	push {r4,lr}
-	lsls r0, 24
-	lsrs r4, r0, 24
-	bl TryToWaterBerryTree
-	lsls r0, 24
-	lsrs r0, 24
-	cmp r0, 0x1
-	bne _080C9D58
-	ldr r1, _080C9D50 @ =gUnknown_03005D00
-	ldr r0, _080C9D54 @ =sub_80C9D74
-	str r0, [r1]
-	adds r0, r4, 0
-	bl SetUpItemUseOnFieldCallback
-	b _080C9D6A
-	.align 2, 0
-_080C9D50: .4byte gUnknown_03005D00
-_080C9D54: .4byte sub_80C9D74
-_080C9D58:
-	ldr r0, _080C9D70 @ =gTasks
-	lsls r1, r4, 2
-	adds r1, r4
-	lsls r1, 3
-	adds r1, r0
-	ldrb r1, [r1, 0xC]
-	adds r0, r4, 0
-	bl DisplayDadsAdviceCannotUseItemMessage
-_080C9D6A:
-	pop {r4}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_080C9D70: .4byte gTasks
-	thumb_func_end ItemUseOutOfBattle_WailmerPail
-
-	thumb_func_start sub_80C9D74
-sub_80C9D74: @ 80C9D74
-	push {r4,lr}
-	adds r4, r0, 0
-	lsls r4, 24
-	lsrs r4, 24
-	bl ScriptContext2_Enable
-	ldr r0, _080C9D94 @ =gUnknown_081A168F
-	bl ScriptContext1_SetupScript
-	adds r0, r4, 0
-	bl DestroyTask
-	pop {r4}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_080C9D94: .4byte gUnknown_081A168F
-	thumb_func_end sub_80C9D74
-
-	thumb_func_start sub_80C9D98
-sub_80C9D98: @ 80C9D98
-	push {lr}
-	lsls r0, 24
-	lsrs r0, 24
-	ldr r2, _080C9DAC @ =gUnknown_02038561
-	movs r1, 0
-	strb r1, [r2]
-	bl ItemMenu_ConfirmNormalFade
-	pop {r0}
-	bx r0
-	.align 2, 0
-_080C9DAC: .4byte gUnknown_02038561
-	thumb_func_end sub_80C9D98
-
-	thumb_func_start ItemUseOutOfBattle_Medicine
-ItemUseOutOfBattle_Medicine: @ 80C9DB0
-	push {lr}
-	lsls r0, 24
-	lsrs r0, 24
-	ldr r2, _080C9DC4 @ =gUnknown_03004AE4
-	ldr r1, _080C9DC8 @ =UseMedicine
-	str r1, [r2]
-	bl sub_80C9D98
-	pop {r0}
-	bx r0
-	.align 2, 0
-_080C9DC4: .4byte gUnknown_03004AE4
-_080C9DC8: .4byte UseMedicine
-	thumb_func_end ItemUseOutOfBattle_Medicine
-
-	thumb_func_start ItemUseOutOfBattle_SacredAsh
-ItemUseOutOfBattle_SacredAsh: @ 80C9DCC
-	push {r4-r6,lr}
-	lsls r0, 24
-	lsrs r6, r0, 24
-	ldr r1, _080C9DDC @ =gLastFieldPokeMenuOpened
-	movs r0, 0
-	strb r0, [r1]
-	movs r5, 0
-	b _080C9DE6
-	.align 2, 0
-_080C9DDC: .4byte gLastFieldPokeMenuOpened
-_080C9DE0:
-	adds r0, r5, 0x1
-	lsls r0, 24
-	lsrs r5, r0, 24
-_080C9DE6:
-	cmp r5, 0x5
-	bhi _080C9E10
-	movs r0, 0x64
-	adds r1, r5, 0
-	muls r1, r0
-	ldr r0, _080C9E28 @ =gPlayerParty
-	adds r4, r1, r0
-	adds r0, r4, 0
-	movs r1, 0xB
-	bl GetMonData
-	cmp r0, 0
-	beq _080C9DE0
-	adds r0, r4, 0
-	movs r1, 0x39
-	bl GetMonData
-	cmp r0, 0
-	bne _080C9DE0
-	ldr r0, _080C9E2C @ =gLastFieldPokeMenuOpened
-	strb r5, [r0]
-_080C9E10:
-	ldr r1, _080C9E30 @ =gUnknown_03004AE4
-	ldr r0, _080C9E34 @ =sub_8070048
-	str r0, [r1]
-	ldr r1, _080C9E38 @ =gUnknown_02038561
-	movs r0, 0x4
-	strb r0, [r1]
-	adds r0, r6, 0
-	bl ItemMenu_ConfirmNormalFade
-	pop {r4-r6}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_080C9E28: .4byte gPlayerParty
-_080C9E2C: .4byte gLastFieldPokeMenuOpened
-_080C9E30: .4byte gUnknown_03004AE4
-_080C9E34: .4byte sub_8070048
-_080C9E38: .4byte gUnknown_02038561
-	thumb_func_end ItemUseOutOfBattle_SacredAsh
-
-	thumb_func_start ItemUseOutOfBattle_PPRecovery
-ItemUseOutOfBattle_PPRecovery: @ 80C9E3C
-	push {lr}
-	lsls r0, 24
-	lsrs r0, 24
-	ldr r2, _080C9E50 @ =gUnknown_03004AE4
-	ldr r1, _080C9E54 @ =DoPPRecoveryItemEffect
-	str r1, [r2]
-	bl sub_80C9D98
-	pop {r0}
-	bx r0
-	.align 2, 0
-_080C9E50: .4byte gUnknown_03004AE4
-_080C9E54: .4byte DoPPRecoveryItemEffect
-	thumb_func_end ItemUseOutOfBattle_PPRecovery
-
-	thumb_func_start ItemUseOutOfBattle_PPUp
-ItemUseOutOfBattle_PPUp: @ 80C9E58
-	push {lr}
-	lsls r0, 24
-	lsrs r0, 24
-	ldr r2, _080C9E6C @ =gUnknown_03004AE4
-	ldr r1, _080C9E70 @ =DoPPUpItemEffect
-	str r1, [r2]
-	bl sub_80C9D98
-	pop {r0}
-	bx r0
-	.align 2, 0
-_080C9E6C: .4byte gUnknown_03004AE4
-_080C9E70: .4byte DoPPUpItemEffect
-	thumb_func_end ItemUseOutOfBattle_PPUp
-
-	thumb_func_start ItemUseOutOfBattle_RareCandy
-ItemUseOutOfBattle_RareCandy: @ 80C9E74
-	push {lr}
-	lsls r0, 24
-	lsrs r0, 24
-	ldr r2, _080C9E88 @ =gUnknown_03004AE4
-	ldr r1, _080C9E8C @ =DoRareCandyItemEffect
-	str r1, [r2]
-	bl sub_80C9D98
-	pop {r0}
-	bx r0
-	.align 2, 0
-_080C9E88: .4byte gUnknown_03004AE4
-_080C9E8C: .4byte DoRareCandyItemEffect
-	thumb_func_end ItemUseOutOfBattle_RareCandy
-
-	thumb_func_start ItemUseOutOfBattle_TMHM
-ItemUseOutOfBattle_TMHM: @ 80C9E90
-	push {r4,lr}
-	lsls r0, 24
-	lsrs r4, r0, 24
-	movs r0, 0
-	movs r1, 0xD
-	movs r2, 0xD
-	movs r3, 0x14
-	bl MenuZeroFillWindowRect
-	ldr r0, _080C9EBC @ =gScriptItemId
-	ldrh r1, [r0]
-	movs r0, 0xA9
-	lsls r0, 1
-	cmp r1, r0
-	bls _080C9EC8
-	ldr r1, _080C9EC0 @ =gOtherText_BootedHM
-	ldr r2, _080C9EC4 @ =sub_80C9EE4
-	adds r0, r4, 0
-	movs r3, 0x1
-	bl DisplayItemMessageOnField
-	b _080C9ED4
-	.align 2, 0
-_080C9EBC: .4byte gScriptItemId
-_080C9EC0: .4byte gOtherText_BootedHM
-_080C9EC4: .4byte sub_80C9EE4
-_080C9EC8:
-	ldr r1, _080C9EDC @ =gOtherText_BootedTM
-	ldr r2, _080C9EE0 @ =sub_80C9EE4
-	adds r0, r4, 0
-	movs r3, 0x1
-	bl DisplayItemMessageOnField
-_080C9ED4:
-	pop {r4}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_080C9EDC: .4byte gOtherText_BootedTM
-_080C9EE0: .4byte sub_80C9EE4
-	thumb_func_end ItemUseOutOfBattle_TMHM
-
-	thumb_func_start sub_80C9EE4
-sub_80C9EE4: @ 80C9EE4
-	push {r4,lr}
-	adds r4, r0, 0
-	lsls r4, 24
-	lsrs r4, 24
-	movs r0, 0x2
-	bl PlaySE
-	ldr r1, _080C9F08 @ =gTasks
-	lsls r0, r4, 2
-	adds r0, r4
-	lsls r0, 3
-	adds r0, r1
-	ldr r1, _080C9F0C @ =sub_80C9F10
-	str r1, [r0]
-	pop {r4}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_080C9F08: .4byte gTasks
-_080C9F0C: .4byte sub_80C9F10
-	thumb_func_end sub_80C9EE4
-
-	thumb_func_start sub_80C9F10
-sub_80C9F10: @ 80C9F10
-	push {r4,r5,lr}
-	lsls r0, 24
-	lsrs r5, r0, 24
-	ldr r0, _080C9F64 @ =gMain
-	ldrh r1, [r0, 0x2E]
-	movs r0, 0x1
-	ands r0, r1
-	cmp r0, 0
-	bne _080C9F2A
-	movs r0, 0x2
-	ands r0, r1
-	cmp r0, 0
-	beq _080C9F5C
-_080C9F2A:
-	ldr r4, _080C9F68 @ =gStringVar1
-	ldr r0, _080C9F6C @ =gScriptItemId
-	ldrh r0, [r0]
-	bl ItemIdToBattleMoveId
-	lsls r0, 16
-	lsrs r0, 16
-	movs r1, 0xD
-	muls r1, r0
-	ldr r0, _080C9F70 @ =gMoveNames
-	adds r1, r0
-	adds r0, r4, 0
-	bl StringCopy
-	ldr r4, _080C9F74 @ =gStringVar4
-	ldr r1, _080C9F78 @ =gOtherText_ContainsMove
-	adds r0, r4, 0
-	bl StringExpandPlaceholders
-	ldr r2, _080C9F7C @ =sub_80C9F80
-	adds r0, r5, 0
-	adds r1, r4, 0
-	movs r3, 0x1
-	bl DisplayItemMessageOnField
-_080C9F5C:
-	pop {r4,r5}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_080C9F64: .4byte gMain
-_080C9F68: .4byte gStringVar1
-_080C9F6C: .4byte gScriptItemId
-_080C9F70: .4byte gMoveNames
-_080C9F74: .4byte gStringVar4
-_080C9F78: .4byte gOtherText_ContainsMove
-_080C9F7C: .4byte sub_80C9F80
-	thumb_func_end sub_80C9F10
-
-	thumb_func_start sub_80C9F80
-sub_80C9F80: @ 80C9F80
-	push {r4,lr}
-	sub sp, 0x8
-	adds r4, r0, 0
-	lsls r4, 24
-	lsrs r4, 24
-	movs r0, 0x7
-	movs r1, 0x7
-	movs r2, 0x1
-	bl DisplayYesNoMenu
-	ldr r0, _080C9FB8 @ =gBGTilemapBuffers + 0x800
-	movs r1, 0x4
-	str r1, [sp]
-	movs r1, 0x1
-	str r1, [sp, 0x4]
-	movs r1, 0x8
-	movs r2, 0x8
-	movs r3, 0x5
-	bl sub_80A3FA0
-	ldr r1, _080C9FBC @ =gUnknown_083D61F4
-	adds r0, r4, 0
-	bl sub_80F914C
-	add sp, 0x8
-	pop {r4}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_080C9FB8: .4byte gBGTilemapBuffers + 0x800
-_080C9FBC: .4byte gUnknown_083D61F4
-	thumb_func_end sub_80C9F80
-
-	thumb_func_start sub_80C9FC0
-sub_80C9FC0: @ 80C9FC0
-	push {lr}
-	lsls r0, 24
-	lsrs r0, 24
-	ldr r2, _080C9FD4 @ =gUnknown_03004AE4
-	ldr r1, _080C9FD8 @ =TeachMonTMMove
-	str r1, [r2]
-	bl sub_80C9D98
-	pop {r0}
-	bx r0
-	.align 2, 0
-_080C9FD4: .4byte gUnknown_03004AE4
-_080C9FD8: .4byte TeachMonTMMove
-	thumb_func_end sub_80C9FC0
-
-	thumb_func_start sub_80C9FDC
-sub_80C9FDC: @ 80C9FDC
-	push {r4,lr}
-	ldr r4, _080CA004 @ =gScriptItemId
-	ldrh r0, [r4]
-	movs r1, 0x1
-	bl RemoveBagItem
-	bl sub_80A3E0C
-	ldrh r0, [r4]
-	ldr r1, _080CA008 @ =gStringVar2
-	bl CopyItemName
-	ldr r0, _080CA00C @ =gStringVar4
-	ldr r1, _080CA010 @ =gOtherText_UsedItem
-	bl StringExpandPlaceholders
-	pop {r4}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_080CA004: .4byte gScriptItemId
-_080CA008: .4byte gStringVar2
-_080CA00C: .4byte gStringVar4
-_080CA010: .4byte gOtherText_UsedItem
-	thumb_func_end sub_80C9FDC
-
-	thumb_func_start ItemUseOutOfBattle_Repel
-ItemUseOutOfBattle_Repel: @ 80CA014
-	push {r4,r5,lr}
-	lsls r0, 24
-	lsrs r4, r0, 24
-	ldr r5, _080CA050 @ =0x00004021
-	adds r0, r5, 0
-	bl VarGet
-	lsls r0, 16
-	cmp r0, 0
-	bne _080CA060
-	ldr r0, _080CA054 @ =gScriptItemId
-	ldrh r0, [r0]
-	bl ItemId_GetHoldEffectParam
-	adds r1, r0, 0
-	lsls r1, 24
-	lsrs r1, 24
-	adds r0, r5, 0
-	bl VarSet
-	bl sub_80C9FDC
-	ldr r1, _080CA058 @ =gStringVar4
-	ldr r2, _080CA05C @ =CleanUpItemMenuMessage
-	adds r0, r4, 0
-	movs r3, 0x1
-	bl DisplayItemMessageOnField
-	b _080CA06C
-	.align 2, 0
-_080CA050: .4byte 0x00004021
-_080CA054: .4byte gScriptItemId
-_080CA058: .4byte gStringVar4
-_080CA05C: .4byte CleanUpItemMenuMessage
-_080CA060:
-	ldr r1, _080CA074 @ =gOtherText_RepelLingers
-	ldr r2, _080CA078 @ =CleanUpItemMenuMessage
-	adds r0, r4, 0
-	movs r3, 0x1
-	bl DisplayItemMessageOnField
-_080CA06C:
-	pop {r4,r5}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_080CA074: .4byte gOtherText_RepelLingers
-_080CA078: .4byte CleanUpItemMenuMessage
-	thumb_func_end ItemUseOutOfBattle_Repel
-
-	thumb_func_start sub_80CA07C
-sub_80CA07C: @ 80CA07C
-	push {lr}
-	bl sub_80A3E0C
-	ldr r0, _080CA090 @ =gScriptItemId
-	ldrh r0, [r0]
-	ldr r1, _080CA094 @ =gStringVar2
-	bl CopyItemName
-	pop {r0}
-	bx r0
-	.align 2, 0
-_080CA090: .4byte gScriptItemId
-_080CA094: .4byte gStringVar2
-	thumb_func_end sub_80CA07C
-
-	thumb_func_start sub_80CA098
-sub_80CA098: @ 80CA098
-	push {r4,lr}
-	lsls r0, 24
-	lsrs r4, r0, 24
-	ldr r0, _080CA0D0 @ =gTasks
-	lsls r1, r4, 2
-	adds r1, r4
-	lsls r1, 3
-	adds r1, r0
-	ldrh r0, [r1, 0x26]
-	adds r0, 0x1
-	strh r0, [r1, 0x26]
-	lsls r0, 16
-	asrs r0, 16
-	cmp r0, 0x7
-	ble _080CA0C8
-	movs r0, 0x75
-	bl PlaySE
-	ldr r1, _080CA0D4 @ =gStringVar4
-	ldr r2, _080CA0D8 @ =CleanUpItemMenuMessage
-	adds r0, r4, 0
-	movs r3, 0x1
-	bl DisplayItemMessageOnField
-_080CA0C8:
-	pop {r4}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_080CA0D0: .4byte gTasks
-_080CA0D4: .4byte gStringVar4
-_080CA0D8: .4byte CleanUpItemMenuMessage
-	thumb_func_end sub_80CA098
-
-	thumb_func_start ItemUseOutOfBattle_BlackWhiteFlute
-ItemUseOutOfBattle_BlackWhiteFlute: @ 80CA0DC
-	push {r4,r5,lr}
-	lsls r0, 24
-	lsrs r4, r0, 24
-	adds r5, r4, 0
-	ldr r0, _080CA10C @ =gScriptItemId
-	ldrh r0, [r0]
-	cmp r0, 0x2B
-	bne _080CA124
-	ldr r0, _080CA110 @ =0x0000084d
-	bl FlagSet
-	ldr r0, _080CA114 @ =0x0000084e
-	bl FlagReset
-	bl sub_80CA07C
-	ldr r0, _080CA118 @ =gStringVar4
-	ldr r1, _080CA11C @ =gOtherText_UsedFlute
-	bl StringExpandPlaceholders
-	ldr r1, _080CA120 @ =gTasks
-	lsls r0, r4, 2
-	adds r0, r4
-	b _080CA146
-	.align 2, 0
-_080CA10C: .4byte gScriptItemId
-_080CA110: .4byte 0x0000084d
-_080CA114: .4byte 0x0000084e
-_080CA118: .4byte gStringVar4
-_080CA11C: .4byte gOtherText_UsedFlute
-_080CA120: .4byte gTasks
-_080CA124:
-	cmp r0, 0x2A
-	bne _080CA152
-	ldr r0, _080CA158 @ =0x0000084e
-	bl FlagSet
-	ldr r0, _080CA15C @ =0x0000084d
-	bl FlagReset
-	bl sub_80CA07C
-	ldr r0, _080CA160 @ =gStringVar4
-	ldr r1, _080CA164 @ =gOtherText_UsedRepel
-	bl StringExpandPlaceholders
-	ldr r1, _080CA168 @ =gTasks
-	lsls r0, r5, 2
-	adds r0, r5
-_080CA146:
-	lsls r0, 3
-	adds r0, r1
-	ldr r1, _080CA16C @ =sub_80CA098
-	str r1, [r0]
-	movs r1, 0
-	strh r1, [r0, 0x26]
-_080CA152:
-	pop {r4,r5}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_080CA158: .4byte 0x0000084e
-_080CA15C: .4byte 0x0000084d
-_080CA160: .4byte gStringVar4
-_080CA164: .4byte gOtherText_UsedRepel
-_080CA168: .4byte gTasks
-_080CA16C: .4byte sub_80CA098
-	thumb_func_end ItemUseOutOfBattle_BlackWhiteFlute
-
-	thumb_func_start task08_080A1C44
-task08_080A1C44: @ 80CA170
-	push {r4,lr}
-	adds r4, r0, 0
-	lsls r4, 24
-	lsrs r4, 24
-	bl player_avatar_init_params_reset
-	bl sub_80878A8
-	adds r0, r4, 0
-	bl DestroyTask
-	pop {r4}
-	pop {r0}
-	bx r0
-	thumb_func_end task08_080A1C44
-
-	thumb_func_start sub_80CA18C
-sub_80CA18C: @ 80CA18C
-	push {r4,lr}
-	adds r4, r0, 0
-	lsls r4, 24
-	lsrs r4, 24
-	bl sub_8053014
-	bl sub_80C9FDC
-	ldr r1, _080CA1BC @ =gTasks
-	lsls r0, r4, 2
-	adds r0, r4
-	lsls r0, 3
-	adds r0, r1
-	movs r1, 0
-	strh r1, [r0, 0x8]
-	ldr r1, _080CA1C0 @ =gStringVar4
-	ldr r2, _080CA1C4 @ =task08_080A1C44
-	adds r0, r4, 0
-	movs r3, 0
-	bl DisplayItemMessageOnField
-	pop {r4}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_080CA1BC: .4byte gTasks
-_080CA1C0: .4byte gStringVar4
-_080CA1C4: .4byte task08_080A1C44
-	thumb_func_end sub_80CA18C
-
-	thumb_func_start sub_80CA1C8
-sub_80CA1C8: @ 80CA1C8
-	push {lr}
-	ldr r0, _080CA1D8 @ =gMapHeader
-	ldrb r0, [r0, 0x17]
-	cmp r0, 0x4
-	beq _080CA1DC
-	movs r0, 0
-	b _080CA1DE
-	.align 2, 0
-_080CA1D8: .4byte gMapHeader
-_080CA1DC:
-	movs r0, 0x1
-_080CA1DE:
-	pop {r1}
-	bx r1
-	thumb_func_end sub_80CA1C8
-
-	thumb_func_start ItemUseOutOfBattle_EscapeRope
-ItemUseOutOfBattle_EscapeRope: @ 80CA1E4
-	push {r4,lr}
-	lsls r0, 24
-	lsrs r4, r0, 24
-	bl sub_80CA1C8
-	lsls r0, 24
-	lsrs r0, 24
-	cmp r0, 0x1
-	bne _080CA20C
-	ldr r1, _080CA204 @ =gUnknown_03005D00
-	ldr r0, _080CA208 @ =sub_80CA18C
-	str r0, [r1]
-	adds r0, r4, 0
-	bl SetUpItemUseOnFieldCallback
-	b _080CA21E
-	.align 2, 0
-_080CA204: .4byte gUnknown_03005D00
-_080CA208: .4byte sub_80CA18C
-_080CA20C:
-	ldr r0, _080CA224 @ =gTasks
-	lsls r1, r4, 2
-	adds r1, r4
-	lsls r1, 3
-	adds r1, r0
-	ldrb r1, [r1, 0xC]
-	adds r0, r4, 0
-	bl DisplayDadsAdviceCannotUseItemMessage
-_080CA21E:
-	pop {r4}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_080CA224: .4byte gTasks
-	thumb_func_end ItemUseOutOfBattle_EscapeRope
-
-	thumb_func_start ItemUseOutOfBattle_EvolutionStone
-ItemUseOutOfBattle_EvolutionStone: @ 80CA228
-	push {lr}
-	lsls r0, 24
-	lsrs r0, 24
-	ldr r2, _080CA23C @ =gUnknown_03004AE4
-	ldr r1, _080CA240 @ =DoEvolutionStoneItemEffect
-	str r1, [r2]
-	bl sub_80C9D98
-	pop {r0}
-	bx r0
-	.align 2, 0
-_080CA23C: .4byte gUnknown_03004AE4
-_080CA240: .4byte DoEvolutionStoneItemEffect
-	thumb_func_end ItemUseOutOfBattle_EvolutionStone
-
-	thumb_func_start ItemUseInBattle_PokeBall
-ItemUseInBattle_PokeBall: @ 80CA244
-	push {r4,lr}
-	lsls r0, 24
-	lsrs r4, r0, 24
-	bl PlayerPartyAndPokemonStorageFull
-	lsls r0, 24
-	cmp r0, 0
-	bne _080CA26C
-	ldr r0, _080CA268 @ =gScriptItemId
-	ldrh r0, [r0]
-	movs r1, 0x1
-	bl RemoveBagItem
-	adds r0, r4, 0
-	bl sub_80A7094
-	b _080CA284
-	.align 2, 0
-_080CA268: .4byte gScriptItemId
-_080CA26C:
-	movs r0, 0
-	movs r1, 0xD
-	movs r2, 0xD
-	movs r3, 0x14
-	bl MenuZeroFillWindowRect
-	ldr r1, _080CA28C @ =gOtherText_BoxIsFull
-	ldr r2, _080CA290 @ =CleanUpItemMenuMessage
-	adds r0, r4, 0
-	movs r3, 0x1
-	bl DisplayItemMessageOnField
-_080CA284:
-	pop {r4}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_080CA28C: .4byte gOtherText_BoxIsFull
-_080CA290: .4byte CleanUpItemMenuMessage
-	thumb_func_end ItemUseInBattle_PokeBall
-
-	thumb_func_start sub_80CA294
-sub_80CA294: @ 80CA294
-	push {lr}
-	lsls r0, 24
-	lsrs r2, r0, 24
-	ldr r0, _080CA2B8 @ =gMain
-	ldrh r1, [r0, 0x2E]
-	movs r0, 0x1
-	ands r0, r1
-	cmp r0, 0
-	bne _080CA2AE
-	movs r0, 0x2
-	ands r0, r1
-	cmp r0, 0
-	beq _080CA2B4
-_080CA2AE:
-	adds r0, r2, 0
-	bl sub_80A7094
-_080CA2B4:
-	pop {r0}
-	bx r0
-	.align 2, 0
-_080CA2B8: .4byte gMain
-	thumb_func_end sub_80CA294
-
-	thumb_func_start sub_80CA2BC
-sub_80CA2BC: @ 80CA2BC
-	push {r4,r5,lr}
-	lsls r0, 24
-	lsrs r5, r0, 24
-	ldr r0, _080CA304 @ =gTasks
-	lsls r1, r5, 2
-	adds r1, r5
-	lsls r1, 3
-	adds r1, r0
-	ldrh r0, [r1, 0x26]
-	adds r0, 0x1
-	strh r0, [r1, 0x26]
-	lsls r0, 16
-	asrs r0, 16
-	cmp r0, 0x7
-	ble _080CA2FC
-	movs r0, 0x1
-	bl PlaySE
-	ldr r4, _080CA308 @ =gScriptItemId
-	ldrh r0, [r4]
-	movs r1, 0x1
-	bl RemoveBagItem
-	ldrh r0, [r4]
-	bl sub_803F378
-	adds r1, r0, 0
-	ldr r2, _080CA30C @ =sub_80CA294
-	adds r0, r5, 0
-	movs r3, 0x1
-	bl DisplayItemMessageOnField
-_080CA2FC:
-	pop {r4,r5}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_080CA304: .4byte gTasks
-_080CA308: .4byte gScriptItemId
-_080CA30C: .4byte sub_80CA294
-	thumb_func_end sub_80CA2BC
-
-	thumb_func_start ItemUseInBattle_StatIncrease
-ItemUseInBattle_StatIncrease: @ 80CA310
-	push {r4,r5,lr}
-	lsls r0, 24
-	lsrs r5, r0, 24
-	ldr r1, _080CA35C @ =gUnknown_02024A6A
-	ldr r0, _080CA360 @ =gUnknown_02024E6C
-	ldrb r0, [r0]
-	lsls r0, 1
-	adds r0, r1
-	ldrh r4, [r0]
-	movs r0, 0
-	movs r1, 0xD
-	movs r2, 0xD
-	movs r3, 0x14
-	bl MenuZeroFillWindowRect
-	movs r0, 0x64
-	muls r0, r4
-	ldr r1, _080CA364 @ =gPlayerParty
-	adds r0, r1
-	ldr r1, _080CA368 @ =gScriptItemId
-	ldrh r1, [r1]
-	lsls r4, 24
-	lsrs r4, 24
-	adds r2, r4, 0
-	movs r3, 0
-	bl ExecuteTableBasedItemEffect_
-	lsls r0, 24
-	lsrs r2, r0, 24
-	cmp r2, 0
-	beq _080CA374
-	ldr r1, _080CA36C @ =gOtherText_WontHaveAnyEffect
-	ldr r2, _080CA370 @ =CleanUpItemMenuMessage
-	adds r0, r5, 0
-	movs r3, 0x1
-	bl DisplayItemMessageOnField
-	b _080CA384
-	.align 2, 0
-_080CA35C: .4byte gUnknown_02024A6A
-_080CA360: .4byte gUnknown_02024E6C
-_080CA364: .4byte gPlayerParty
-_080CA368: .4byte gScriptItemId
-_080CA36C: .4byte gOtherText_WontHaveAnyEffect
-_080CA370: .4byte CleanUpItemMenuMessage
-_080CA374:
-	ldr r0, _080CA38C @ =gTasks
-	lsls r1, r5, 2
-	adds r1, r5
-	lsls r1, 3
-	adds r1, r0
-	ldr r0, _080CA390 @ =sub_80CA2BC
-	str r0, [r1]
-	strh r2, [r1, 0x26]
-_080CA384:
-	pop {r4,r5}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_080CA38C: .4byte gTasks
-_080CA390: .4byte sub_80CA2BC
-	thumb_func_end ItemUseInBattle_StatIncrease
-
-	thumb_func_start sub_80CA394
-sub_80CA394: @ 80CA394
-	push {r4,lr}
-	lsls r0, 24
-	lsrs r4, r0, 24
-	ldr r0, _080CA3BC @ =gPaletteFade
-	ldrb r1, [r0, 0x7]
-	movs r0, 0x80
-	ands r0, r1
-	cmp r0, 0
-	bne _080CA3B4
-	bl sub_8094E4C
-	bl gpu_pal_allocator_reset__manage_upper_four
-	adds r0, r4, 0
-	bl DestroyTask
-_080CA3B4:
-	pop {r4}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_080CA3BC: .4byte gPaletteFade
-	thumb_func_end sub_80CA394
-
-	thumb_func_start sub_80CA3C0
-sub_80CA3C0: @ 80CA3C0
-	push {lr}
-	sub sp, 0x4
-	lsls r0, 24
-	lsrs r0, 24
-	ldr r2, _080CA3EC @ =gTasks
-	lsls r1, r0, 2
-	adds r1, r0
-	lsls r1, 3
-	adds r1, r2
-	ldr r0, _080CA3F0 @ =sub_80CA394
-	str r0, [r1]
-	movs r0, 0x1
-	negs r0, r0
-	movs r1, 0
-	str r1, [sp]
-	movs r2, 0
-	movs r3, 0x10
-	bl BeginNormalPaletteFade
-	add sp, 0x4
-	pop {r0}
-	bx r0
-	.align 2, 0
-_080CA3EC: .4byte gTasks
-_080CA3F0: .4byte sub_80CA394
-	thumb_func_end sub_80CA3C0
-
-	thumb_func_start ItemUseInBattle_Medicine
-ItemUseInBattle_Medicine: @ 80CA3F4
-	push {lr}
-	lsls r0, 24
-	lsrs r0, 24
-	ldr r2, _080CA408 @ =gUnknown_03004AE4
-	ldr r1, _080CA40C @ =UseMedicine
-	str r1, [r2]
-	bl sub_80CA3C0
-	pop {r0}
-	bx r0
-	.align 2, 0
-_080CA408: .4byte gUnknown_03004AE4
-_080CA40C: .4byte UseMedicine
-	thumb_func_end ItemUseInBattle_Medicine
-
-	thumb_func_start unref_sub_80CA410
-unref_sub_80CA410: @ 80CA410
-	push {lr}
-	lsls r0, 24
-	lsrs r0, 24
-	ldr r2, _080CA424 @ =gUnknown_03004AE4
-	ldr r1, _080CA428 @ =sub_8070048
-	str r1, [r2]
-	bl sub_80CA3C0
-	pop {r0}
-	bx r0
-	.align 2, 0
-_080CA424: .4byte gUnknown_03004AE4
-_080CA428: .4byte sub_8070048
-	thumb_func_end unref_sub_80CA410
-
-	thumb_func_start ItemUseInBattle_PPRecovery
-ItemUseInBattle_PPRecovery: @ 80CA42C
-	push {lr}
-	lsls r0, 24
-	lsrs r0, 24
-	ldr r2, _080CA440 @ =gUnknown_03004AE4
-	ldr r1, _080CA444 @ =DoPPRecoveryItemEffect
-	str r1, [r2]
-	bl sub_80CA3C0
-	pop {r0}
-	bx r0
-	.align 2, 0
-_080CA440: .4byte gUnknown_03004AE4
-_080CA444: .4byte DoPPRecoveryItemEffect
-	thumb_func_end ItemUseInBattle_PPRecovery
-
-	thumb_func_start unref_sub_80CA448
-unref_sub_80CA448: @ 80CA448
-	push {r4,r5,lr}
-	lsls r0, 24
-	lsrs r5, r0, 24
-	movs r0, 0
-	movs r1, 0xD
-	movs r2, 0xD
-	movs r3, 0x14
-	bl MenuZeroFillWindowRect
-	ldr r4, _080CA494 @ =gScriptItemId
-	ldrh r1, [r4]
-	movs r0, 0
-	movs r2, 0
-	bl ExecuteTableBasedItemEffect__
-	lsls r0, 24
-	cmp r0, 0
-	bne _080CA4AC
-	ldrh r0, [r4]
-	movs r1, 0x1
-	bl RemoveBagItem
-	ldr r0, _080CA498 @ =gPlayerParty
-	ldr r1, _080CA49C @ =gStringVar1
-	bl GetMonNickname
-	ldr r4, _080CA4A0 @ =gStringVar4
-	ldr r1, _080CA4A4 @ =gOtherText_SnapConfusion
-	adds r0, r4, 0
-	bl StringExpandPlaceholders
-	ldr r2, _080CA4A8 @ =sub_80A7094
-	adds r0, r5, 0
-	adds r1, r4, 0
-	movs r3, 0x1
-	bl DisplayItemMessageOnField
-	b _080CA4B8
-	.align 2, 0
-_080CA494: .4byte gScriptItemId
-_080CA498: .4byte gPlayerParty
-_080CA49C: .4byte gStringVar1
-_080CA4A0: .4byte gStringVar4
-_080CA4A4: .4byte gOtherText_SnapConfusion
-_080CA4A8: .4byte sub_80A7094
-_080CA4AC:
-	ldr r1, _080CA4C0 @ =gOtherText_WontHaveAnyEffect
-	ldr r2, _080CA4C4 @ =CleanUpItemMenuMessage
-	adds r0, r5, 0
-	movs r3, 0x1
-	bl DisplayItemMessageOnField
-_080CA4B8:
-	pop {r4,r5}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_080CA4C0: .4byte gOtherText_WontHaveAnyEffect
-_080CA4C4: .4byte CleanUpItemMenuMessage
-	thumb_func_end unref_sub_80CA448
-
-	thumb_func_start ItemUseInBattle_Escape
-ItemUseInBattle_Escape: @ 80CA4C8
-	push {r4,lr}
-	lsls r0, 24
-	lsrs r4, r0, 24
-	movs r0, 0
-	movs r1, 0xD
-	movs r2, 0xD
-	movs r3, 0x14
-	bl MenuZeroFillWindowRect
-	ldr r0, _080CA4F8 @ =gBattleTypeFlags
-	ldrh r1, [r0]
-	movs r0, 0x8
-	ands r0, r1
-	cmp r0, 0
-	bne _080CA504
-	bl sub_80C9FDC
-	ldr r1, _080CA4FC @ =gStringVar4
-	ldr r2, _080CA500 @ =sub_80A7094
-	adds r0, r4, 0
-	movs r3, 0x1
-	bl DisplayItemMessageOnField
-	b _080CA516
-	.align 2, 0
-_080CA4F8: .4byte gBattleTypeFlags
-_080CA4FC: .4byte gStringVar4
-_080CA500: .4byte sub_80A7094
-_080CA504:
-	ldr r0, _080CA51C @ =gTasks
-	lsls r1, r4, 2
-	adds r1, r4
-	lsls r1, 3
-	adds r1, r0
-	ldrb r1, [r1, 0xC]
-	adds r0, r4, 0
-	bl DisplayDadsAdviceCannotUseItemMessage
-_080CA516:
-	pop {r4}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_080CA51C: .4byte gTasks
-	thumb_func_end ItemUseInBattle_Escape
-
-	thumb_func_start ItemUseOutOfBattle_EnigmaBerry
-ItemUseOutOfBattle_EnigmaBerry: @ 80CA520
-	push {r4,lr}
-	lsls r0, 24
-	lsrs r4, r0, 24
-	ldr r0, _080CA544 @ =gScriptItemId
-	ldrh r0, [r0]
-	bl GetItemEffectType
-	lsls r0, 24
-	lsrs r0, 24
-	subs r0, 0x1
-	cmp r0, 0x14
-	bls _080CA53A
-	b _080CA62C
-_080CA53A:
-	lsls r0, 2
-	ldr r1, _080CA548 @ =_080CA54C
-	adds r0, r1
-	ldr r0, [r0]
-	mov pc, r0
-	.align 2, 0
-_080CA544: .4byte gScriptItemId
-_080CA548: .4byte _080CA54C
-	.align 2, 0
-_080CA54C:
-	.4byte _080CA5D8
-	.4byte _080CA5A0
-	.4byte _080CA5A0
-	.4byte _080CA5A0
-	.4byte _080CA5A0
-	.4byte _080CA5A0
-	.4byte _080CA5A0
-	.4byte _080CA62C
-	.4byte _080CA62C
-	.4byte _080CA5BC
-	.4byte _080CA5A0
-	.4byte _080CA5A0
-	.4byte _080CA5A0
-	.4byte _080CA5A0
-	.4byte _080CA5A0
-	.4byte _080CA5A0
-	.4byte _080CA5A0
-	.4byte _080CA62C
-	.4byte _080CA5F4
-	.4byte _080CA5F4
-	.4byte _080CA610
-_080CA5A0:
-	ldr r0, _080CA5B8 @ =gTasks
-	lsls r1, r4, 2
-	adds r1, r4
-	lsls r1, 3
-	adds r1, r0
-	movs r0, 0x1
-	strh r0, [r1, 0x26]
-	adds r0, r4, 0
-	bl ItemUseOutOfBattle_Medicine
-	b _080CA640
-	.align 2, 0
-_080CA5B8: .4byte gTasks
-_080CA5BC:
-	ldr r0, _080CA5D4 @ =gTasks
-	lsls r1, r4, 2
-	adds r1, r4
-	lsls r1, 3
-	adds r1, r0
-	movs r0, 0x1
-	strh r0, [r1, 0x26]
-	adds r0, r4, 0
-	bl ItemUseOutOfBattle_SacredAsh
-	b _080CA640
-	.align 2, 0
-_080CA5D4: .4byte gTasks
-_080CA5D8:
-	ldr r0, _080CA5F0 @ =gTasks
-	lsls r1, r4, 2
-	adds r1, r4
-	lsls r1, 3
-	adds r1, r0
-	movs r0, 0x1
-	strh r0, [r1, 0x26]
-	adds r0, r4, 0
-	bl ItemUseOutOfBattle_RareCandy
-	b _080CA640
-	.align 2, 0
-_080CA5F0: .4byte gTasks
-_080CA5F4:
-	ldr r0, _080CA60C @ =gTasks
-	lsls r1, r4, 2
-	adds r1, r4
-	lsls r1, 3
-	adds r1, r0
-	movs r0, 0x1
-	strh r0, [r1, 0x26]
-	adds r0, r4, 0
-	bl ItemUseOutOfBattle_PPUp
-	b _080CA640
-	.align 2, 0
-_080CA60C: .4byte gTasks
-_080CA610:
-	ldr r0, _080CA628 @ =gTasks
-	lsls r1, r4, 2
-	adds r1, r4
-	lsls r1, 3
-	adds r1, r0
-	movs r0, 0x1
-	strh r0, [r1, 0x26]
-	adds r0, r4, 0
-	bl ItemUseOutOfBattle_PPRecovery
-	b _080CA640
-	.align 2, 0
-_080CA628: .4byte gTasks
-_080CA62C:
-	ldr r0, _080CA648 @ =gTasks
-	lsls r1, r4, 2
-	adds r1, r4
-	lsls r1, 3
-	adds r1, r0
-	movs r0, 0x4
-	strh r0, [r1, 0x26]
-	adds r0, r4, 0
-	bl ItemUseOutOfBattle_CannotUse
-_080CA640:
-	pop {r4}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_080CA648: .4byte gTasks
-	thumb_func_end ItemUseOutOfBattle_EnigmaBerry
-
-	thumb_func_start ItemUseInBattle_EnigmaBerry
-ItemUseInBattle_EnigmaBerry: @ 80CA64C
-	push {r4,lr}
-	lsls r0, 24
-	lsrs r4, r0, 24
-	ldr r0, _080CA66C @ =gScriptItemId
-	ldrh r0, [r0]
-	bl GetItemEffectType
-	lsls r0, 24
-	lsrs r0, 24
-	cmp r0, 0x15
-	bhi _080CA6E4
-	lsls r0, 2
-	ldr r1, _080CA670 @ =_080CA674
-	adds r0, r1
-	ldr r0, [r0]
-	mov pc, r0
-	.align 2, 0
-_080CA66C: .4byte gScriptItemId
-_080CA670: .4byte _080CA674
-	.align 2, 0
-_080CA674:
-	.4byte _080CA6CC
-	.4byte _080CA6E4
-	.4byte _080CA6D4
-	.4byte _080CA6D4
-	.4byte _080CA6D4
-	.4byte _080CA6D4
-	.4byte _080CA6D4
-	.4byte _080CA6D4
-	.4byte _080CA6D4
-	.4byte _080CA6D4
-	.4byte _080CA6E4
-	.4byte _080CA6D4
-	.4byte _080CA6E4
-	.4byte _080CA6E4
-	.4byte _080CA6E4
-	.4byte _080CA6E4
-	.4byte _080CA6E4
-	.4byte _080CA6E4
-	.4byte _080CA6E4
-	.4byte _080CA6E4
-	.4byte _080CA6E4
-	.4byte _080CA6DC
-_080CA6CC:
-	adds r0, r4, 0
-	bl ItemUseInBattle_StatIncrease
-	b _080CA6EA
-_080CA6D4:
-	adds r0, r4, 0
-	bl ItemUseInBattle_Medicine
-	b _080CA6EA
-_080CA6DC:
-	adds r0, r4, 0
-	bl ItemUseInBattle_PPRecovery
-	b _080CA6EA
-_080CA6E4:
-	adds r0, r4, 0
-	bl ItemUseOutOfBattle_CannotUse
-_080CA6EA:
-	pop {r4}
-	pop {r0}
-	bx r0
-	thumb_func_end ItemUseInBattle_EnigmaBerry
-
-	thumb_func_start ItemUseOutOfBattle_CannotUse
-ItemUseOutOfBattle_CannotUse: @ 80CA6F0
-	push {lr}
-	lsls r0, 24
-	lsrs r0, 24
-	ldr r2, _080CA70C @ =gTasks
-	lsls r1, r0, 2
-	adds r1, r0
-	lsls r1, 3
-	adds r1, r2
-	ldrb r1, [r1, 0xC]
-	bl DisplayDadsAdviceCannotUseItemMessage
-	pop {r0}
-	bx r0
-	.align 2, 0
-_080CA70C: .4byte gTasks
-	thumb_func_end ItemUseOutOfBattle_CannotUse
-
-	.align 2, 0 @ Don't pad with nop.
diff --git a/data/weather.s b/data/field_screeneffect.s
index 44ef8a8da..44ef8a8da 100644
--- a/data/weather.s
+++ b/data/field_screeneffect.s
diff --git a/include/berry.h b/include/berry.h
index f17799870..0013b4dba 100644
--- a/include/berry.h
+++ b/include/berry.h
@@ -18,8 +18,8 @@ bool32 IsEnigmaBerryValid(void);
 const struct Berry *GetBerryInfo(u8 berry);
 struct BerryTree *GetBerryTreeInfo(u8 id);
 bool32 FieldObjectInteractionWaterBerryTree(void);
-bool32 IsPlayerFacingPlantedBerryTree(void);
-u8 TryToWaterBerryTree(void);
+bool8 IsPlayerFacingPlantedBerryTree(void);
+bool8 TryToWaterBerryTree(void);
 void ClearBerryTrees(void);
 bool32 BerryTreeGrow(struct BerryTree *tree);
 void BerryTreeTimeUpdate(int time);
diff --git a/include/field_map_obj_helpers.h b/include/field_map_obj_helpers.h
index 5498bde12..daae74ae9 100644
--- a/include/field_map_obj_helpers.h
+++ b/include/field_map_obj_helpers.h
@@ -7,5 +7,6 @@ void FreezeMapObjectsExceptOne(u8);
 void UnfreezeMapObjects(void);
 void sub_806487C(struct Sprite *sprite, bool8 invisible);
 void sub_8064990(u8, u8);
+void UnfreezeMapObject(struct MapObject *mapObject);
 
 #endif
diff --git a/include/weather.h b/include/field_screeneffect.h
index af07c970d..af07c970d 100644
--- a/include/weather.h
+++ b/include/field_screeneffect.h
diff --git a/include/pokemon.h b/include/pokemon.h
index 3987bada6..e0ad7136c 100644
--- a/include/pokemon.h
+++ b/include/pokemon.h
@@ -455,4 +455,6 @@ u16 nature_stat_mod(u8 nature, u16 n, u8 statIndex);
 
 void sub_8040B1C(void *);
 
+u8 *sub_803F378(u16 itemId);
+
 #endif // GUARD_POKEMON_H
diff --git a/ld_script.txt b/ld_script.txt
index 03b434ea1..91a6d01de 100644
--- a/ld_script.txt
+++ b/ld_script.txt
@@ -121,10 +121,10 @@ SECTIONS {
         asm/rom5.o(.text);
         asm/battle_anim_807B69C.o(.text);
         src/title_screen.o(.text);
-        src/weather.o(.text);
-        asm/weather.o(.text);
-        src/field_doortransition.o(.text);
-        asm/field_doortransition.o(.text);
+        src/field_screeneffect.o(.text);
+        asm/field_screeneffect.o(.text);
+        src/field_fadetransition.o(.text);
+        asm/field_fadetransition.o(.text);
         asm/rom_8080874.o(.text);
         src/battle_setup.o(.text);
         asm/cable_club.o(.text);
@@ -186,7 +186,6 @@ SECTIONS {
         src/safari_zone.o(.text);
         asm/contest_link_80C857C.o(.text);
         src/item_use.o(.text);
-        asm/item_use.o(.text);
         asm/battle_anim_80CA710.o(.text);
         src/bike.o(.text);
         asm/easy_chat.o(.text);
@@ -366,7 +365,7 @@ SECTIONS {
         data/task.o(.rodata);
         data/battle_anim_807B69C.o(.rodata);
         src/title_screen.o(.rodata);
-        data/weather.o(.rodata);
+        data/field_screeneffect.o(.rodata);
         data/rom_8080874.o(.rodata);
         src/battle_setup.o(.rodata);
         data/cable_club.o(.rodata);
diff --git a/src/battle_setup.c b/src/battle_setup.c
index c9839bb87..a8f94baed 100644
--- a/src/battle_setup.c
+++ b/src/battle_setup.c
@@ -20,7 +20,7 @@
 #include "task.h"
 #include "text.h"
 #include "trainer.h"
-#include "weather.h"
+#include "field_screeneffect.h"
 #include "map_constants.h"
 #include "opponent_constants.h"
 #include "script_pokemon_80C4.h"
diff --git a/src/berry.c b/src/berry.c
index e81c7a5ff..99c9f6342 100644
--- a/src/berry.c
+++ b/src/berry.c
@@ -897,7 +897,7 @@ bool32 FieldObjectInteractionWaterBerryTree(void)
     return TRUE;
 }
 
-bool32 IsPlayerFacingPlantedBerryTree(void)
+bool8 IsPlayerFacingPlantedBerryTree(void)
 {
     if (GetFieldObjectScriptPointerForComparison() == &BerryTreeScript
      && GetStageByBerryTreeId(FieldObjectGetBerryTreeId(gSelectedMapObject)) == 0)
@@ -906,10 +906,10 @@ bool32 IsPlayerFacingPlantedBerryTree(void)
         return FALSE;
 }
 
-u8 TryToWaterBerryTree(void)
+bool8 TryToWaterBerryTree(void)
 {
     if (GetFieldObjectScriptPointerForComparison() != &BerryTreeScript)
-        return 0;
+        return FALSE;
     else
         return FieldObjectInteractionWaterBerryTree();
 }
diff --git a/src/field_effect.c b/src/field_effect.c
index b0c028c8d..4727aba54 100644
--- a/src/field_effect.c
+++ b/src/field_effect.c
@@ -2,7 +2,7 @@
 #include "field_effect.h"
 #include "sprite.h"
 #include "text.h"
-#include "weather.h"
+#include "field_screeneffect.h"
 
 typedef bool8 (*FldEffCmd)(u8 **, u32 *);
 
diff --git a/src/field_doortransition.c b/src/field_fadetransition.c
index 261ed46c9..3f86299df 100644
--- a/src/field_doortransition.c
+++ b/src/field_fadetransition.c
@@ -3,7 +3,7 @@
 #include "global.fieldmap.h"
 #include "script.h"
 #include "task.h"
-#include "weather.h"
+#include "field_screeneffect.h"
 
 void palette_bg_fill_white(void);
 void palette_bg_fill_black(void);
diff --git a/src/weather.c b/src/field_screeneffect.c
index 5d9553836..6cae0c18a 100644
--- a/src/weather.c
+++ b/src/field_screeneffect.c
@@ -1,5 +1,5 @@
 #include "global.h"
-#include "weather.h"
+#include "field_screeneffect.h"
 #include "asm.h"
 #include "palette.h"
 #include "sprite.h"
diff --git a/src/item_use.c b/src/item_use.c
index b68b72b26..309fa5b98 100644
--- a/src/item_use.c
+++ b/src/item_use.c
@@ -2,8 +2,9 @@
 #include "asm.h"
 #include "event_data.h"
 #include "field_player_avatar.h"
-#include "field_player_avatar.h"
+#include "field_map_obj_helpers.h"
 #include "item.h"
+#include "items.h"
 #include "mail.h"
 #include "map_obj_lock.h"
 #include "menu.h"
@@ -15,44 +16,103 @@
 #include "sound.h"
 #include "string_util.h"
 #include "task.h"
-#include "weather.h"
+#include "field_screeneffect.h"
 #include "fieldmap.h"
+#include "coins.h"
+#include "berry.h"
+#include "vars.h"
+#include "battle.h"
 
 extern void (* const gExitToOverworldFuncList[])();
 extern void (* gUnknown_03005D00)(u8);
 extern void (* gUnknown_0300485C)(void);
+extern void (* gUnknown_03004AE4)(u8);
+extern void (* const gUnknown_083D61F4[])();
+
+extern u8 *gUnknown_083D61DC[];
+
+extern u8 gMoveNames[][13];
+
+extern u8 gUnknown_02038561;
+extern u8 gLastFieldPokeMenuOpened;
+extern u8 gUnknown_02024E6C;
+
+extern u8 gItemFinderDirections[];
+extern u8 gUnknown_081A1654[];
+extern u8 gUnknown_081A168F[];
+
+extern u16 gUnknown_02024A6A[];
 
 extern void HandleItemMenuPaletteFade(u8);
 extern void ExecuteItemUseFromBlackPalette(void);
 extern void DisplayItemMessageOnField(u8, u8*, TaskFunc, u16);
 extern void CleanUpItemMenuMessage(u8);
 extern void CleanUpOverworldMessage(u8);
-extern void ItemUseOutOfBattle_TMHM(u8);
-extern void ItemUseOutOfBattle_EvolutionStone(u8);
 extern void ItemUseOnFieldCB_Bike(u8);
 extern void ItemUseOnFieldCB_Rod(u8);
 extern void ItemUseOnFieldCB_Itemfinder(u8);
 extern void sub_80A5D04(void);
 extern bool8 IsBikingDisallowedByPlayer(void);
 extern void GetOnOffBike(u8);
-extern u8 GetPlayerDirectionTowardsHiddenItem(s16, s16);
-extern void SetPlayerDirectionTowardsItem(u8);
-extern void DisplayItemRespondingMessageAndExitItemfinder(u8);
-extern void RotatePlayerAndExitItemfinder(u8);
-extern void sub_80C9838(u8, s16, s16);
+extern struct MapConnection *sub_8056BA0(s16 x, s16 y); // fieldmap.c
+extern void sub_810BA7C(u8);
+extern void sub_8080E28(void);
+extern void UseMedicine(u8);
+extern void sub_8070048(u8);
+extern void DoPPRecoveryItemEffect(u8);
+extern void DoPPUpItemEffect(u8);
+extern void DoRareCandyItemEffect(u8);
+extern void DoEvolutionStoneItemEffect(u8);
+extern u16 ItemIdToBattleMoveId(u16);
+extern void sub_80A3FA0(u16 *, u32, u32, u32, u32, u32);
+extern void sub_80F914C(u8, void const *);
+extern void sub_80A3E0C(void);
+extern void TeachMonTMMove(u8);
+extern void sub_80878A8(void);
+extern void sub_8053014(void);
+extern void sub_80A7094(u8);
+extern bool8 ExecuteTableBasedItemEffect_(struct Pokemon *mon, u16, u8, u16);
+extern void sub_8094E4C(void);
+extern u8 ExecuteTableBasedItemEffect__(u8 u8, u16 u16, int i);
+extern u8 GetItemEffectType();
 
 extern u8 gOtherText_DadsAdvice[];
 extern u8 gOtherText_CantGetOffBike[];
 extern u8 gOtherText_NoResponse[];
-
-extern u8 gItemFinderDirections[];
+extern u8 gOtherText_ItemfinderResponding[];
+extern u8 gOtherText_ItemfinderItemUnderfoot[];
+extern u8 gOtherText_Coins3[];
+extern u8 gOtherText_BootedHM[];
+extern u8 gOtherText_BootedTM[];
+extern u8 gOtherText_ContainsMove[];
+extern u8 gOtherText_UsedItem[];
+extern u8 gOtherText_RepelLingers[];
+extern u8 gOtherText_UsedFlute[];
+extern u8 gOtherText_UsedRepel[];
+extern u8 gOtherText_BoxIsFull[];
+extern u8 gOtherText_WontHaveAnyEffect[];
+extern u8 gOtherText_SnapConfusion[];
 
 extern u16 gScriptItemId;
+extern u16 gBattleTypeFlags;
 
 bool8 ItemfinderCheckForHiddenItems(struct MapEvents *events, u8 taskId);
 void RunItemfinderResults(u8);
 void ExitItemfinder(u8);
 void sub_80C9720(u8);
+void sub_80C9838(u8, s16, s16);
+u8 GetPlayerDirectionTowardsHiddenItem(s16, s16);
+void SetPlayerDirectionTowardsItem(u8);
+void DisplayItemRespondingMessageAndExitItemfinder(u8);
+void RotatePlayerAndExitItemfinder(u8);
+void sub_80C9D00(u8);
+void sub_80C9D74(u8);
+void sub_80C9EE4(u8);
+void sub_80C9F10(u8);
+void sub_80C9F80(u8);
+void ItemUseOutOfBattle_TMHM(u8);
+void ItemUseOutOfBattle_EvolutionStone(u8);
+void ItemUseOutOfBattle_CannotUse(u8);
 
 void ExecuteSwitchToOverworldFromItemUse(u8 taskId)
 {
@@ -295,7 +355,7 @@ void ExitItemfinder(u8 taskId)
 
 bool8 ItemfinderCheckForHiddenItems(struct MapEvents *events, u8 taskId)
 {
-	int distanceX, distanceY;
+    int distanceX, distanceY;
     u16 x, y;
     s16 newDistanceX, newDistanceY, i;
 
@@ -347,42 +407,830 @@ bool8 HiddenItemAtPos(struct MapEvents *events, s16 x, s16 y)
 
 bool8 sub_80C9688(struct MapConnection *connection, int x, int y)
 {
-	struct MapHeader *mapHeader;
-	u16 localX, localY;
-	u32 localOffset;
-	s32 localLength;
-	
-	mapHeader = mapconnection_get_mapheader(connection);
-	
-	switch(connection->direction)
-	{
-		// same weird temp variable behavior seen in HiddenItemAtPos
-		case 2:
-			localOffset = connection->offset + 7;
-			localX = x - localOffset;
-			localLength = mapHeader->mapData->height - 7;
-			localY = localLength + y; // additions are reversed for some reason
-			break;
-		case 1:
-			localOffset = connection->offset + 7;
-			localX = x - localOffset;
-			localLength = gMapHeader.mapData->height + 7;
-			localY = y - localLength;
-			break;
-		case 3:
-			localLength = mapHeader->mapData->width - 7;
-			localX = localLength + x; // additions are reversed for some reason
-			localOffset = connection->offset + 7;
-			localY = y - localOffset;
-			break;
-		case 4:
-			localLength = gMapHeader.mapData->width + 7;
-			localX = x - localLength;
-			localOffset = connection->offset + 7;
-			localY = y - localOffset;
-			break;
-		default:
-			return FALSE;
-	}
-	return HiddenItemAtPos(mapHeader->events, localX, localY);
+    struct MapHeader *mapHeader;
+    u16 localX, localY;
+    u32 localOffset;
+    s32 localLength;
+    
+    mapHeader = mapconnection_get_mapheader(connection);
+    
+    switch(connection->direction)
+    {
+        // same weird temp variable behavior seen in HiddenItemAtPos
+        case 2:
+            localOffset = connection->offset + 7;
+            localX = x - localOffset;
+            localLength = mapHeader->mapData->height - 7;
+            localY = localLength + y; // additions are reversed for some reason
+            break;
+        case 1:
+            localOffset = connection->offset + 7;
+            localX = x - localOffset;
+            localLength = gMapHeader.mapData->height + 7;
+            localY = y - localLength;
+            break;
+        case 3:
+            localLength = mapHeader->mapData->width - 7;
+            localX = localLength + x; // additions are reversed for some reason
+            localOffset = connection->offset + 7;
+            localY = y - localOffset;
+            break;
+        case 4:
+            localLength = gMapHeader.mapData->width + 7;
+            localX = x - localLength;
+            localOffset = connection->offset + 7;
+            localY = y - localOffset;
+            break;
+        default:
+            return FALSE;
+    }
+    return HiddenItemAtPos(mapHeader->events, localX, localY);
+}
+
+// weird math
+#ifdef NONMATCHING
+void sub_80C9720(u8 taskId)
+{
+    s16 x, y;
+    s16 curX, curY;
+    s16 width = gMapHeader.mapData->width + 7;
+    s16 height = gMapHeader.mapData->height + 7;
+
+    PlayerGetDestCoords(&x, &y);
+
+    for (curX = x - 7; curX <= x + 7; curX++)
+    {
+        for (curY = y - 5; curY <= y + 5; curY++)
+        {
+            if (7 > curX
+             || curX >= width
+             || 7 > curY
+             || curY >= height)
+            {
+                struct MapConnection *conn = sub_8056BA0(curX, curY);
+                if (conn && sub_80C9688(conn, curX, curY) == TRUE)
+                    sub_80C9838(taskId, curX - x, curY - y);
+            }
+        }
+    }
+}
+#else
+__attribute__((naked))
+void sub_80C9720(u8 taskId)
+{
+    asm(".syntax unified\n\
+    push {r4-r7,lr}\n\
+    mov r7, r10\n\
+    mov r6, r9\n\
+    mov r5, r8\n\
+    push {r5-r7}\n\
+    sub sp, 0x14\n\
+    lsls r0, 24\n\
+    lsrs r0, 24\n\
+    str r0, [sp, 0x4]\n\
+    ldr r0, _080C9834 @ =gMapHeader\n\
+    ldr r1, [r0]\n\
+    ldr r0, [r1]\n\
+    adds r0, 0x7\n\
+    lsls r0, 16\n\
+    lsrs r0, 16\n\
+    str r0, [sp, 0x8]\n\
+    ldr r0, [r1, 0x4]\n\
+    adds r0, 0x7\n\
+    lsls r0, 16\n\
+    lsrs r0, 16\n\
+    str r0, [sp, 0xC]\n\
+    mov r4, sp\n\
+    adds r4, 0x2\n\
+    mov r0, sp\n\
+    adds r1, r4, 0\n\
+    bl PlayerGetDestCoords\n\
+    mov r0, sp\n\
+    ldrh r0, [r0]\n\
+    subs r0, 0x7\n\
+    lsls r0, 16\n\
+    lsrs r3, r0, 16\n\
+    asrs r0, 16\n\
+    mov r1, sp\n\
+    movs r2, 0\n\
+    ldrsh r1, [r1, r2]\n\
+    adds r1, 0x7\n\
+    cmp r0, r1\n\
+    bgt _080C9824\n\
+_080C976E:\n\
+    mov r5, sp\n\
+    ldrh r0, [r5, 0x2]\n\
+    subs r0, 0x5\n\
+    lsls r0, 16\n\
+    lsrs r4, r0, 16\n\
+    lsls r2, r4, 16\n\
+    asrs r1, r2, 16\n\
+    movs r6, 0x2\n\
+    ldrsh r0, [r5, r6]\n\
+    adds r0, 0x5\n\
+    lsls r3, 16\n\
+    mov r8, r3\n\
+    cmp r1, r0\n\
+    bgt _080C980E\n\
+    movs r0, 0x7\n\
+    str r0, [sp, 0x10]\n\
+    mov r1, r8\n\
+    asrs r1, 16\n\
+    mov r9, r1\n\
+    mov r10, r0\n\
+_080C9796:\n\
+    ldr r3, [sp, 0x10]\n\
+    cmp r3, r9\n\
+    bgt _080C97B8\n\
+    ldr r5, [sp, 0x8]\n\
+    lsls r0, r5, 16\n\
+    asrs r0, 16\n\
+    cmp r9, r0\n\
+    bge _080C97B8\n\
+    asrs r1, r2, 16\n\
+    cmp r10, r1\n\
+    bgt _080C97B8\n\
+    ldr r6, [sp, 0xC]\n\
+    lsls r0, r6, 16\n\
+    asrs r0, 16\n\
+    lsls r7, r4, 16\n\
+    cmp r1, r0\n\
+    blt _080C97F6\n\
+_080C97B8:\n\
+    mov r0, r8\n\
+    asrs r5, r0, 16\n\
+    lsls r4, 16\n\
+    asrs r6, r4, 16\n\
+    adds r0, r5, 0\n\
+    adds r1, r6, 0\n\
+    bl sub_8056BA0\n\
+    adds r7, r4, 0\n\
+    cmp r0, 0\n\
+    beq _080C97F6\n\
+    adds r1, r5, 0\n\
+    adds r2, r6, 0\n\
+    bl sub_80C9688\n\
+    lsls r0, 24\n\
+    lsrs r0, 24\n\
+    cmp r0, 0x1\n\
+    bne _080C97F6\n\
+    mov r0, sp\n\
+    ldrh r1, [r0]\n\
+    subs r1, r5, r1\n\
+    lsls r1, 16\n\
+    asrs r1, 16\n\
+    ldrh r2, [r0, 0x2]\n\
+    subs r2, r6, r2\n\
+    lsls r2, 16\n\
+    asrs r2, 16\n\
+    ldr r0, [sp, 0x4]\n\
+    bl sub_80C9838\n\
+_080C97F6:\n\
+    movs r1, 0x80\n\
+    lsls r1, 9\n\
+    adds r0, r7, r1\n\
+    lsrs r4, r0, 16\n\
+    lsls r2, r4, 16\n\
+    asrs r1, r2, 16\n\
+    mov r3, sp\n\
+    movs r5, 0x2\n\
+    ldrsh r0, [r3, r5]\n\
+    adds r0, 0x5\n\
+    cmp r1, r0\n\
+    ble _080C9796\n\
+_080C980E:\n\
+    movs r1, 0x80\n\
+    lsls r1, 9\n\
+    add r1, r8\n\
+    lsrs r3, r1, 16\n\
+    asrs r1, 16\n\
+    mov r0, sp\n\
+    movs r6, 0\n\
+    ldrsh r0, [r0, r6]\n\
+    adds r0, 0x7\n\
+    cmp r1, r0\n\
+    ble _080C976E\n\
+_080C9824:\n\
+    add sp, 0x14\n\
+    pop {r3-r5}\n\
+    mov r8, r3\n\
+    mov r9, r4\n\
+    mov r10, r5\n\
+    pop {r4-r7}\n\
+    pop {r0}\n\
+    bx r0\n\
+    .align 2, 0\n\
+_080C9834: .4byte gMapHeader\n\
+    .syntax divided");
+}
+#endif
+
+void sub_80C9838(u8 taskId, s16 x, s16 y)
+{
+    s16 *data = gTasks[taskId].data;
+    s16 var1, var2, var3, var4;
+    
+    if(data[2] == FALSE)
+    {
+        data[0] = x;
+        data[1] = y;
+        data[2] = TRUE;
+    }
+    else
+    {
+        // data[0] and data[1] contain the player's coordinates.
+        // x and y contain the item's coordinates.
+        if(data[0] < 0)
+            var1 = data[0] * -1; // item is to the left
+        else
+            var1 = data[0]; // item is to the right
+        
+        if(data[1] < 0)
+            var2 = data[1] * -1; // item is to the north
+        else
+            var2 = data[1]; // item is to the south
+        
+        if(x < 0)
+            var3 = x * -1;
+        else
+            var3 = x;
+        
+        if(y < 0)
+            var4 = y * -1;
+        else
+            var4 = y;
+        
+        if(var1 + var2 > var3 + var4)
+        {
+            data[0] = x;
+            data[1] = y;
+        }
+        else
+        {
+            if(var1 + var2 == var3 + var4 && (var2 > var4 || (var2 == var4 && data[1] < y)))
+            {
+                data[0] = x;
+                data[1] = y;
+            }
+        }
+    }
+}
+
+u8 GetPlayerDirectionTowardsHiddenItem(s16 itemX, s16 itemY)
+{
+    s16 abX, abY;
+
+    if(itemX == 0 && itemY == 0)
+        return DIR_NONE; // player is standing on the item.
+
+    // get absolute X distance.
+    if(itemX < 0)
+        abX = itemX * -1;
+    else
+        abX = itemX;
+
+    // get absolute Y distance.
+    if(itemY < 0)
+        abY = itemY * -1;
+    else
+        abY = itemY;
+    
+    if(abX > abY)
+    {
+        if(itemX < 0)
+            return DIR_EAST;
+        else
+            return DIR_NORTH;
+    }
+    else
+    {
+        if(abX < abY)
+        {
+            if(itemY < 0)
+                return DIR_SOUTH;
+            else
+                return DIR_WEST;
+        }
+        if(abX == abY)
+        {
+            if(itemY < 0)
+                return DIR_SOUTH;
+            else
+                return DIR_WEST;            
+        }
+        return DIR_NONE; // should never get here. return something so it doesnt crash.
+    }
+}
+
+void SetPlayerDirectionTowardsItem(u8 direction)
+{
+    FieldObjectClearAnimIfSpecialAnimFinished(&gMapObjects[GetFieldObjectIdByLocalIdAndMap(0xFF, 0, 0)]);
+    FieldObjectClearAnim(&gMapObjects[GetFieldObjectIdByLocalIdAndMap(0xFF, 0, 0)]);
+    UnfreezeMapObject(&gMapObjects[GetFieldObjectIdByLocalIdAndMap(0xFF, 0, 0)]);
+    PlayerTurnInPlace(direction);
+}
+
+void DisplayItemRespondingMessageAndExitItemfinder(u8 taskId)
+{
+    if(FieldObjectCheckIfSpecialAnimFinishedOrInactive(&gMapObjects[GetFieldObjectIdByLocalIdAndMap(0xFF, 0, 0)]) == TRUE)
+        DisplayItemMessageOnField(taskId, gOtherText_ItemfinderResponding, ExitItemfinder, 0);
+}
+
+void RotatePlayerAndExitItemfinder(u8 taskId)
+{
+    s16 *data = gTasks[taskId].data;
+    
+    if(FieldObjectCheckIfSpecialAnimFinishedOrInactive(&gMapObjects[GetFieldObjectIdByLocalIdAndMap(0xFF, 0, 0)]) == TRUE
+    || data[2] == FALSE)
+    {
+        SetPlayerDirectionTowardsItem(gItemFinderDirections[data[5]]);
+        data[2] = 1;
+        data[5] = (data[5] + 1) & 3;
+        data[3]++;
+        
+        if(data[3] == 4)
+            DisplayItemMessageOnField(taskId, gOtherText_ItemfinderItemUnderfoot, ExitItemfinder, 0);
+    }
+}
+
+void ItemUseOutOfBattle_PokeblockCase(u8 taskId)
+{
+    if(sub_80F9344() == TRUE)
+    {
+        DisplayDadsAdviceCannotUseItemMessage(taskId, gTasks[taskId].data[2]);
+    }
+    else if(gTasks[taskId].data[2] != TRUE)
+    {
+        sub_810BA7C(0);
+        ItemMenu_ConfirmNormalFade(taskId);
+    }
+    else
+    {
+        gUnknown_0300485C = (void *)sub_8080E28;
+        sub_810BA7C(1);
+        ItemMenu_ConfirmComplexFade(taskId);
+    }
+}
+
+void ItemUseOutOfBattle_CoinCase(u8 taskId)
+{
+    ConvertIntToDecimalStringN(gStringVar1, GetCoins(), 0, 4);
+    StringExpandPlaceholders(gStringVar4, gOtherText_Coins3);
+    
+    if(!gTasks[taskId].data[2])
+    {
+        MenuZeroFillWindowRect(0, 0xD, 0xD, 0x14);
+        DisplayItemMessageOnField(taskId, gStringVar4, CleanUpItemMenuMessage, 1);
+    }
+    else
+    {
+        DisplayItemMessageOnField(taskId, gStringVar4, CleanUpOverworldMessage, 0);
+    }
+}
+
+void sub_80C9BB8(u8 var)
+{
+    if(gMain.newKeys & A_BUTTON)
+        CleanUpItemMenuMessage(var);
+}
+
+void sub_80C9BD8(u8 var)
+{
+    if(gMain.newKeys & A_BUTTON)
+        CleanUpOverworldMessage(var);
+}
+
+// unused
+void ItemUseOutOfBattle_SSTicket(u8 taskId)
+{
+    if(gTasks[taskId].data[2] == 0)
+    {
+        MenuZeroFillWindowRect(0, 0xD, 0xD, 0x14);
+        DisplayItemMessageOnField(taskId, gUnknown_083D61DC[ItemId_GetSecondaryId(gScriptItemId)], sub_80C9BB8, 1);
+    }
+    else
+    {
+        DisplayItemMessageOnField(taskId, gUnknown_083D61DC[ItemId_GetSecondaryId(gScriptItemId)], sub_80C9BD8, 0);
+    }
+}
+
+void sub_80C9C7C(u8 taskId)
+{
+    if(IsPlayerFacingPlantedBerryTree() == TRUE)
+    {
+        gUnknown_03005D00 = sub_80C9D00;
+        gUnknown_0300485C = ExecuteItemUseFromBlackPalette;
+        gTasks[taskId].data[8] = (u32)c2_exit_to_overworld_2_switch >> 16;
+        gTasks[taskId].data[9] = (u32)c2_exit_to_overworld_2_switch;
+        gTasks[taskId].func = HandleItemMenuPaletteFade;
+        BeginNormalPaletteFade(0xFFFFFFFF, 0, 0, 0x10, 0);
+    }
+    else
+    {
+        ItemId_GetFieldFunc(gScriptItemId)(taskId);
+    }
+}
+
+void sub_80C9D00(u8 taskId)
+{
+    RemoveBagItem(gScriptItemId, 1);
+    ScriptContext2_Enable();
+    ScriptContext1_SetupScript(gUnknown_081A1654);
+    DestroyTask(taskId);
+}
+
+void ItemUseOutOfBattle_WailmerPail(u8 taskId)
+{
+    if(TryToWaterBerryTree() == TRUE)
+    {
+        gUnknown_03005D00 = sub_80C9D74;
+        SetUpItemUseOnFieldCallback(taskId);
+    }
+    else
+    {
+        DisplayDadsAdviceCannotUseItemMessage(taskId, gTasks[taskId].data[2]);
+    }
+}
+
+void sub_80C9D74(u8 taskId)
+{
+    ScriptContext2_Enable();
+    ScriptContext1_SetupScript(gUnknown_081A168F);
+    DestroyTask(taskId);
+}
+
+void sub_80C9D98(u8 taskId)
+{
+    gUnknown_02038561 = 0;
+    ItemMenu_ConfirmNormalFade(taskId);
+}
+
+void ItemUseOutOfBattle_Medicine(u8 taskId)
+{
+    gUnknown_03004AE4 = UseMedicine;
+    sub_80C9D98(taskId);
+}
+
+void ItemUseOutOfBattle_SacredAsh(u8 taskId)
+{
+    u8 i;
+    
+    gLastFieldPokeMenuOpened = 0;
+    
+    for(i = 0; i < 6; i++)
+    {
+        if(GetMonData(&gPlayerParty[i], MON_DATA_SPECIES) != 0 && GetMonData(&gPlayerParty[i], MON_DATA_HP) == 0)
+        {
+            gLastFieldPokeMenuOpened = i;
+            break;
+        }
+    }
+    gUnknown_03004AE4 = sub_8070048;
+    gUnknown_02038561 = 4;
+    ItemMenu_ConfirmNormalFade(taskId);
+}
+
+void ItemUseOutOfBattle_PPRecovery(u8 taskId)
+{
+    gUnknown_03004AE4 = DoPPRecoveryItemEffect;
+    sub_80C9D98(taskId);
+}
+
+void ItemUseOutOfBattle_PPUp(u8 taskId)
+{
+    gUnknown_03004AE4 = DoPPUpItemEffect;
+    sub_80C9D98(taskId);
+}
+
+void ItemUseOutOfBattle_RareCandy(u8 taskId)
+{
+    gUnknown_03004AE4 = DoRareCandyItemEffect;
+    sub_80C9D98(taskId);    
+}
+
+void ItemUseOutOfBattle_TMHM(u8 taskId)
+{
+    MenuZeroFillWindowRect(0, 0xD, 0xD, 0x14);
+    
+    if(gScriptItemId >= ITEM_HM01)
+        DisplayItemMessageOnField(taskId, gOtherText_BootedHM, sub_80C9EE4, 1); // HM
+    else
+        DisplayItemMessageOnField(taskId, gOtherText_BootedTM, sub_80C9EE4, 1); // TM
+}
+
+void sub_80C9EE4(u8 taskId)
+{
+    PlaySE(2);
+    gTasks[taskId].func = sub_80C9F10;
+}
+
+void sub_80C9F10(u8 taskId)
+{
+    if(gMain.newKeys & A_BUTTON || gMain.newKeys & B_BUTTON)
+    {
+        StringCopy(gStringVar1, gMoveNames[ItemIdToBattleMoveId(gScriptItemId)]);
+        StringExpandPlaceholders(gStringVar4, gOtherText_ContainsMove);
+        DisplayItemMessageOnField(taskId, gStringVar4, sub_80C9F80, 1);
+    }
+}
+
+void sub_80C9F80(u8 var)
+{
+    DisplayYesNoMenu(7, 7, 1);
+    sub_80A3FA0(gBGTilemapBuffers[1], 8, 8, 5, 4, 1);
+    sub_80F914C(var, gUnknown_083D61F4);
+}
+
+void sub_80C9FC0(u8 var)
+{
+    gUnknown_03004AE4 = TeachMonTMMove;
+    sub_80C9D98(var);
+}
+
+void sub_80C9FDC(void)
+{
+    RemoveBagItem(gScriptItemId, 1);
+    sub_80A3E0C();
+    CopyItemName(gScriptItemId, gStringVar2);
+    StringExpandPlaceholders(gStringVar4, gOtherText_UsedItem);
+}
+
+void ItemUseOutOfBattle_Repel(u8 var)
+{
+    if(VarGet(VAR_REPEL_STEP_COUNT) == FALSE)
+    {
+        VarSet(VAR_REPEL_STEP_COUNT, ItemId_GetHoldEffectParam(gScriptItemId));
+        sub_80C9FDC();
+        DisplayItemMessageOnField(var, gStringVar4, CleanUpItemMenuMessage, 1);
+    }
+    else
+    {
+        DisplayItemMessageOnField(var, gOtherText_RepelLingers, CleanUpItemMenuMessage, 1);
+    }
+}
+
+void sub_80CA07C(void)
+{
+    sub_80A3E0C();
+    CopyItemName(gScriptItemId, gStringVar2);
+}
+
+void sub_80CA098(u8 taskId)
+{
+    if(++gTasks[taskId].data[15] > 7)
+    {
+        PlaySE(0x75);
+        DisplayItemMessageOnField(taskId, gStringVar4, CleanUpItemMenuMessage, 1);
+    }
+}
+
+void ItemUseOutOfBattle_BlackWhiteFlute(u8 taskId)
+{
+    if(gScriptItemId == 43)
+    {
+        FlagSet(SYS_ENC_UP_ITEM);
+        FlagReset(SYS_ENC_DOWN_ITEM);
+        sub_80CA07C();
+        StringExpandPlaceholders(gStringVar4, gOtherText_UsedFlute);
+        gTasks[taskId].func = sub_80CA098;
+        gTasks[taskId].data[15] = 0;
+    }
+    else if(gScriptItemId == 42)
+    {
+        FlagSet(SYS_ENC_DOWN_ITEM);
+        FlagReset(SYS_ENC_UP_ITEM);
+        sub_80CA07C();
+        StringExpandPlaceholders(gStringVar4, gOtherText_UsedRepel);
+        gTasks[taskId].func = sub_80CA098;
+        gTasks[taskId].data[15] = 0;
+    }
+}
+
+void task08_080A1C44(u8 taskId)
+{
+    player_avatar_init_params_reset();
+    sub_80878A8();
+    DestroyTask(taskId);
+}
+
+void sub_80CA18C(u8 taskId)
+{
+    sub_8053014();
+    sub_80C9FDC();
+    gTasks[taskId].data[0] = 0;
+    DisplayItemMessageOnField(taskId, gStringVar4, task08_080A1C44, 0);
+}
+
+bool8 sub_80CA1C8(void)
+{
+    if(gMapHeader.mapType == MAP_TYPE_UNDERGROUND)
+        return TRUE;
+    else
+        return FALSE;
+}
+
+void ItemUseOutOfBattle_EscapeRope(u8 taskId)
+{
+    if(sub_80CA1C8() == TRUE) // is map type an area you can use escape rope?
+    {
+        gUnknown_03005D00 = sub_80CA18C;
+        SetUpItemUseOnFieldCallback(taskId);
+    }
+    else
+    {
+        DisplayDadsAdviceCannotUseItemMessage(taskId, gTasks[taskId].data[2]);
+    }
+}
+
+void ItemUseOutOfBattle_EvolutionStone(u8 var)
+{
+    gUnknown_03004AE4 = DoEvolutionStoneItemEffect;
+    sub_80C9D98(var);
+}
+
+void ItemUseInBattle_PokeBall(u8 var)
+{
+    if(PlayerPartyAndPokemonStorageFull() == FALSE) // have room for mon?
+    {
+        RemoveBagItem(gScriptItemId, 1);
+        sub_80A7094(var);
+    }
+    else
+    {
+        MenuZeroFillWindowRect(0, 0xD, 0xD, 0x14);
+        DisplayItemMessageOnField(var, gOtherText_BoxIsFull, CleanUpItemMenuMessage, 1);
+    }
+}
+
+void sub_80CA294(u8 var)
+{
+    if(gMain.newKeys & A_BUTTON || gMain.newKeys & B_BUTTON)
+        sub_80A7094(var);
+}
+
+void sub_80CA2BC(u8 taskId)
+{
+    if(++gTasks[taskId].data[15] > 7)
+    {
+        PlaySE(1);
+        RemoveBagItem(gScriptItemId, 1);
+        DisplayItemMessageOnField(taskId, sub_803F378(gScriptItemId), sub_80CA294, 1);
+    }
+}
+
+void ItemUseInBattle_StatIncrease(u8 taskId)
+{
+    u16 partyId = gUnknown_02024A6A[gUnknown_02024E6C];
+    
+    MenuZeroFillWindowRect(0, 0xD, 0xD, 0x14);
+    
+    if(ExecuteTableBasedItemEffect_(&gPlayerParty[partyId], gScriptItemId, partyId, 0) != FALSE)
+    {
+        DisplayItemMessageOnField(taskId, gOtherText_WontHaveAnyEffect, CleanUpItemMenuMessage, 1);
+    }
+    else
+    {
+        gTasks[taskId].func = sub_80CA2BC;
+        gTasks[taskId].data[15] = 0;
+    }
+}
+
+void sub_80CA394(u8 taskId)
+{
+    if(!gPaletteFade.active)
+    {
+        sub_8094E4C();
+        gpu_pal_allocator_reset__manage_upper_four();
+        DestroyTask(taskId);
+    }
+}
+
+void sub_80CA3C0(u8 taskId)
+{
+    gTasks[taskId].func = sub_80CA394;
+    BeginNormalPaletteFade(0xFFFFFFFF, 0, 0, 16, 0);
+}
+
+void ItemUseInBattle_Medicine(u8 var)
+{
+    gUnknown_03004AE4 = UseMedicine;
+    sub_80CA3C0(var);
+}
+
+void unref_sub_80CA410(u8 var)
+{
+    gUnknown_03004AE4 = sub_8070048;
+    sub_80CA3C0(var);
+}
+
+void ItemUseInBattle_PPRecovery(u8 var)
+{
+    gUnknown_03004AE4 = DoPPRecoveryItemEffect;
+    sub_80CA3C0(var);
+}
+
+void unref_sub_80CA448(u8 var)
+{    
+    MenuZeroFillWindowRect(0, 0xD, 0xD, 0x14);
+    
+    if(ExecuteTableBasedItemEffect__(0, gScriptItemId, 0) == FALSE)
+    {
+        RemoveBagItem(gScriptItemId, 1);
+        GetMonNickname(&gPlayerParty[0], gStringVar1);
+        StringExpandPlaceholders(gStringVar4, gOtherText_SnapConfusion);
+        DisplayItemMessageOnField(var, gStringVar4, sub_80A7094, 1);
+    }
+    else
+    {
+        DisplayItemMessageOnField(var, gOtherText_WontHaveAnyEffect, CleanUpItemMenuMessage, 1);
+    }
+}
+
+void ItemUseInBattle_Escape(u8 taskId)
+{
+    MenuZeroFillWindowRect(0, 0xD, 0xD, 0x14);
+    
+    if((gBattleTypeFlags & BATTLE_TYPE_TRAINER) == FALSE)
+    {
+        sub_80C9FDC();
+        DisplayItemMessageOnField(taskId, gStringVar4, sub_80A7094, 1);
+    }
+    else
+    {
+        DisplayDadsAdviceCannotUseItemMessage(taskId, gTasks[taskId].data[2]);
+    }
+}
+
+void ItemUseOutOfBattle_EnigmaBerry(u8 taskId)
+{
+    switch(GetItemEffectType(gScriptItemId) - 1)
+    {
+        case 1:
+        case 2:
+        case 3:
+        case 4:
+        case 5:
+        case 6:
+        case 10:
+        case 11:
+        case 12:
+        case 13:
+        case 14:
+        case 15:
+        case 16:
+            gTasks[taskId].data[15] = 1;
+            ItemUseOutOfBattle_Medicine(taskId);
+            break;
+        case 9:
+            gTasks[taskId].data[15] = 1;
+            ItemUseOutOfBattle_SacredAsh(taskId);
+            break;
+        case 0:
+            gTasks[taskId].data[15] = 1;
+            ItemUseOutOfBattle_RareCandy(taskId);
+            break;
+        case 18:
+        case 19:
+            gTasks[taskId].data[15] = 1;
+            ItemUseOutOfBattle_PPUp(taskId);
+            break;
+        case 20:
+            gTasks[taskId].data[15] = 1;
+            ItemUseOutOfBattle_PPRecovery(taskId);
+            break;
+        default:
+            gTasks[taskId].data[15] = 4;
+            ItemUseOutOfBattle_CannotUse(taskId);
+    }
+}
+
+void ItemUseInBattle_EnigmaBerry(u8 taskId)
+{
+    switch(GetItemEffectType(gScriptItemId))
+    {
+        case 0:
+            ItemUseInBattle_StatIncrease(taskId);
+            break;
+        case 2:
+        case 3:
+        case 4:
+        case 5:
+        case 6:
+        case 7:
+        case 8:
+        case 9:
+        case 11:
+            ItemUseInBattle_Medicine(taskId);
+            break;
+        case 21:
+            ItemUseInBattle_PPRecovery(taskId);
+            break;
+        default:
+            ItemUseOutOfBattle_CannotUse(taskId);
+    }
+}
+
+void ItemUseOutOfBattle_CannotUse(u8 taskId)
+{
+    DisplayDadsAdviceCannotUseItemMessage(taskId, gTasks[taskId].data[2]);
 }
diff --git a/src/player_pc.c b/src/player_pc.c
index 6ea169713..cb70539bf 100644
--- a/src/player_pc.c
+++ b/src/player_pc.c
@@ -8,7 +8,7 @@
 #include "sound.h"
 #include "string_util.h"
 #include "task.h"
-#include "weather.h"
+#include "field_screeneffect.h"
 
 extern void DisplayItemMessageOnField(u8, u8*, TaskFunc, u16);
 extern void ItemStorageMenuProcessInput(u8);
diff --git a/src/rom4.c b/src/rom4.c
index 9d7fec115..cc734cad9 100644
--- a/src/rom4.c
+++ b/src/rom4.c
@@ -28,7 +28,7 @@
 #include "start_menu.h"
 #include "task.h"
 #include "tileset_anim.h"
-#include "weather.h"
+#include "field_screeneffect.h"
 #include "wild_encounter.h"
 #include "script_pokemon_80C4.h"
 #include "clock.h"
diff --git a/src/scrcmd.c b/src/scrcmd.c
index b780cc6b4..8d35def5c 100644
--- a/src/scrcmd.c
+++ b/src/scrcmd.c
@@ -24,7 +24,7 @@
 #include "script.h"
 #include "sound.h"
 #include "string_util.h"
-#include "weather.h"
+#include "field_screeneffect.h"
 #include "script_menu.h"
 #include "script_pokemon_80F9.h"
 #include "script_pokemon_80C4.h"
diff --git a/src/shop.c b/src/shop.c
index 5148ddcca..3a0554e15 100644
--- a/src/shop.c
+++ b/src/shop.c
@@ -4,7 +4,7 @@
 #include "task.h"
 #include "main.h"
 #include "sound.h"
-#include "weather.h"
+#include "field_screeneffect.h"
 #include "palette.h"
 #include "sprite.h"
 #include "asm.h"
diff --git a/src/start_menu.c b/src/start_menu.c
index d1344ce90..1fc9b6363 100644
--- a/src/start_menu.c
+++ b/src/start_menu.c
@@ -21,7 +21,7 @@
 #include "string_util.h"
 #include "task.h"
 #include "trainer_card.h"
-#include "weather.h"
+#include "field_screeneffect.h"
 #include "field_map_obj_helpers.h"
 
 //Menu actions