start decompiling egg hatch

5 files changed, 580 insertions, 1330 deletions

diff --git a/asm/egg_hatch.s b/asm/egg_hatch.s
index 7365f4da6..51e688998 100644
--- a/asm/egg_hatch.s
+++ b/asm/egg_hatch.s
@@ -6,1326 +6,7 @@
 
 	.text
 
-	thumb_func_start AddHatchedMonToParty
-AddHatchedMonToParty: @ 80429EC
-	push {r4-r6,lr}
-	sub sp, 0x14
-	lsls r0, 24
-	lsrs r0, 24
-	movs r1, 0x64
-	adds r5, r0, 0
-	muls r5, r1
-	ldr r0, _08042A9C @ =gPlayerParty
-	adds r5, r0
-	ldr r1, _08042AA0 @ =gEnemyParty
-	adds r0, r5, 0
-	bl CreatedHatchedMon
-	add r2, sp, 0xC
-	movs r6, 0
-	strb r6, [r2]
-	adds r0, r5, 0
-	movs r1, 0x2D
-	bl SetMonData
-	adds r0, r5, 0
-	movs r1, 0xB
-	bl GetMonData
-	adds r4, r0, 0
-	lsls r4, 16
-	lsrs r4, 16
-	mov r0, sp
-	adds r1, r4, 0
-	bl GetSpeciesName
-	adds r0, r5, 0
-	movs r1, 0x2
-	mov r2, sp
-	bl SetMonData
-	adds r0, r4, 0
-	bl SpeciesToNationalPokedexNum
-	adds r4, r0, 0
-	lsls r4, 16
-	lsrs r4, 16
-	adds r0, r4, 0
-	movs r1, 0x2
-	bl GetNationalPokedexFlag
-	adds r0, r4, 0
-	movs r1, 0x3
-	bl GetNationalPokedexFlag
-	ldr r1, _08042AA4 @ =gStringVar1
-	adds r0, r5, 0
-	bl GetMonNick
-	mov r2, sp
-	adds r2, 0xE
-	movs r0, 0x4
-	strh r0, [r2]
-	adds r0, r5, 0
-	movs r1, 0x26
-	bl SetMonData
-	add r2, sp, 0x10
-	strh r6, [r2]
-	adds r0, r5, 0
-	movs r1, 0x24
-	bl SetMonData
-	bl sav1_map_get_name
-	mov r2, sp
-	adds r2, 0x12
-	strb r0, [r2]
-	adds r0, r5, 0
-	movs r1, 0x23
-	bl SetMonData
-	adds r0, r5, 0
-	bl MonRestorePP
-	adds r0, r5, 0
-	bl CalculateMonStats
-	add sp, 0x14
-	pop {r4-r6}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_08042A9C: .4byte gPlayerParty
-_08042AA0: .4byte gEnemyParty
-_08042AA4: .4byte gStringVar1
-	thumb_func_end AddHatchedMonToParty
-
-	thumb_func_start ScriptHatchMon
-ScriptHatchMon: @ 8042AA8
-	push {lr}
-	ldr r0, _08042AB8 @ =gSpecialVar_0x8004
-	ldrb r0, [r0]
-	bl AddHatchedMonToParty
-	pop {r0}
-	bx r0
-	.align 2, 0
-_08042AB8: .4byte gSpecialVar_0x8004
-	thumb_func_end ScriptHatchMon
-
-	thumb_func_start sub_8042ABC
-sub_8042ABC: @ 8042ABC
-	push {r4-r6,lr}
-	sub sp, 0x20
-	adds r5, r0, 0
-	lsls r4, r1, 24
-	lsrs r4, 24
-	lsls r0, r4, 2
-	adds r0, r4
-	lsls r0, 4
-	adds r0, r5, r0
-	mov r1, sp
-	bl GetBoxMonNick
-	lsls r0, r4, 3
-	subs r0, r4
-	lsls r1, r0, 3
-	adds r0, r5, r1
-	adds r0, 0xC0
-	ldrh r0, [r0]
-	cmp r0, 0
-	beq _08042B40
-	adds r0, r1, 0
-	adds r0, 0xA0
-	adds r5, r0
-	adds r6, r5, 0
-	adds r6, 0x2C
-	mov r0, sp
-	adds r1, r6, 0
-	bl StringCompareWithoutExtCtrlCodes
-	cmp r0, 0
-	bne _08042B08
-	ldr r0, _08042B30 @ =gSaveBlock2
-	adds r1, r5, 0
-	adds r1, 0x24
-	bl StringCompareWithoutExtCtrlCodes
-	cmp r0, 0
-	beq _08042B40
-_08042B08:
-	ldr r0, _08042B34 @ =gStringVar1
-	mov r1, sp
-	bl StringCopy
-	ldr r4, _08042B38 @ =gStringVar2
-	adds r1, r5, 0
-	adds r1, 0x24
-	adds r0, r4, 0
-	bl StringCopy
-	ldr r0, _08042B3C @ =gStringVar3
-	adds r1, r6, 0
-	bl StringCopy
-	adds r0, r4, 0
-	bl SanitizeNameString
-	movs r0, 0x1
-	b _08042B42
-	.align 2, 0
-_08042B30: .4byte gSaveBlock2
-_08042B34: .4byte gStringVar1
-_08042B38: .4byte gStringVar2
-_08042B3C: .4byte gStringVar3
-_08042B40:
-	movs r0, 0
-_08042B42:
-	add sp, 0x20
-	pop {r4-r6}
-	pop {r1}
-	bx r1
-	thumb_func_end sub_8042ABC
-
-	thumb_func_start sub_8042B4C
-sub_8042B4C: @ 8042B4C
-	push {lr}
-	ldr r0, _08042B60 @ =gSaveBlock1 + 0x2F9C
-	ldr r1, _08042B64 @ =gSpecialVar_0x8004
-	ldrb r1, [r1]
-	bl sub_8042ABC
-	lsls r0, 24
-	lsrs r0, 24
-	pop {r1}
-	bx r1
-	.align 2, 0
-_08042B60: .4byte gSaveBlock1 + 0x2F9C
-_08042B64: .4byte gSpecialVar_0x8004
-	thumb_func_end sub_8042B4C
-
-	thumb_func_start EggHatchCreateMonSprite
-EggHatchCreateMonSprite: @ 8042B68
-	push {r4-r7,lr}
-	mov r7, r9
-	mov r6, r8
-	push {r6,r7}
-	sub sp, 0xC
-	lsls r0, 24
-	lsrs r3, r0, 24
-	adds r4, r3, 0
-	lsls r1, 24
-	lsrs r6, r1, 24
-	lsls r2, 24
-	lsrs r1, r2, 24
-	adds r2, r1, 0
-	movs r5, 0
-	mov r9, r5
-	movs r7, 0
-	cmp r3, 0
-	bne _08042B96
-	movs r0, 0x64
-	muls r1, r0
-	ldr r0, _08042BB0 @ =gPlayerParty
-	adds r7, r1, r0
-	movs r5, 0x1
-_08042B96:
-	cmp r3, 0x1
-	bne _08042BA6
-	movs r0, 0x64
-	adds r1, r2, 0
-	muls r1, r0
-	ldr r0, _08042BB0 @ =gPlayerParty
-	adds r7, r1, r0
-	movs r5, 0x3
-_08042BA6:
-	cmp r6, 0
-	beq _08042BB4
-	cmp r6, 0x1
-	beq _08042C14
-	b _08042C50
-	.align 2, 0
-_08042BB0: .4byte gPlayerParty
-_08042BB4:
-	adds r0, r7, 0
-	movs r1, 0xB
-	bl GetMonData
-	adds r5, r0, 0
-	lsls r5, 16
-	lsrs r5, 16
-	adds r0, r7, 0
-	movs r1, 0
-	bl GetMonData
-	mov r8, r0
-	lsls r0, r5, 3
-	ldr r1, _08042C04 @ =gMonFrontPicTable
-	adds r0, r1
-	ldr r1, _08042C08 @ =gMonFrontPicCoords
-	lsls r2, r5, 2
-	adds r2, r1
-	ldrb r1, [r2]
-	ldrb r2, [r2, 0x1]
-	ldr r3, _08042C0C @ =0x02000000
-	ldr r6, _08042C10 @ =gUnknown_081FAF4C
-	lsls r4, 1
-	adds r4, 0x1
-	lsls r4, 2
-	adds r4, r6
-	ldr r4, [r4]
-	str r4, [sp]
-	str r5, [sp, 0x4]
-	mov r4, r8
-	str r4, [sp, 0x8]
-	bl HandleLoadSpecialPokePic
-	adds r0, r7, 0
-	bl sub_8040990
-	bl LoadCompressedObjectPalette
-	b _08042C50
-	.align 2, 0
-_08042C04: .4byte gMonFrontPicTable
-_08042C08: .4byte gMonFrontPicCoords
-_08042C0C: .4byte 0x02000000
-_08042C10: .4byte gUnknown_081FAF4C
-_08042C14:
-	adds r0, r7, 0
-	bl sub_8040990
-	ldrh r0, [r0, 0x4]
-	adds r1, r5, 0
-	bl GetMonSpriteTemplate_803C56C
-	ldr r0, _08042C60 @ =gUnknown_02024E8C
-	movs r1, 0x78
-	movs r2, 0x46
-	movs r3, 0x6
-	bl CreateSprite
-	lsls r0, 24
-	lsrs r0, 24
-	mov r9, r0
-	ldr r4, _08042C64 @ =gSprites
-	lsls r1, r0, 4
-	add r1, r9
-	lsls r1, 2
-	adds r2, r1, r4
-	adds r2, 0x3E
-	ldrb r0, [r2]
-	movs r3, 0x4
-	orrs r0, r3
-	strb r0, [r2]
-	adds r4, 0x1C
-	adds r1, r4
-	ldr r0, _08042C68 @ =SpriteCallbackDummy
-	str r0, [r1]
-_08042C50:
-	mov r0, r9
-	add sp, 0xC
-	pop {r3,r4}
-	mov r8, r3
-	mov r9, r4
-	pop {r4-r7}
-	pop {r1}
-	bx r1
-	.align 2, 0
-_08042C60: .4byte gUnknown_02024E8C
-_08042C64: .4byte gSprites
-_08042C68: .4byte SpriteCallbackDummy
-	thumb_func_end EggHatchCreateMonSprite
-
-	thumb_func_start VBlankCB_EggHatch
-VBlankCB_EggHatch: @ 8042C6C
-	push {lr}
-	bl LoadOam
-	bl ProcessSpriteCopyRequests
-	bl TransferPlttBuffer
-	pop {r0}
-	bx r0
-	thumb_func_end VBlankCB_EggHatch
-
-	thumb_func_start EggHatch
-EggHatch: @ 8042C80
-	push {lr}
-	sub sp, 0x4
-	bl ScriptContext2_Enable
-	ldr r0, _08042CA8 @ =Task_EggHatch
-	movs r1, 0xA
-	bl CreateTask
-	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
-_08042CA8: .4byte Task_EggHatch
-	thumb_func_end EggHatch
 
-	thumb_func_start Task_EggHatch
-Task_EggHatch: @ 8042CAC
-	push {r4,lr}
-	lsls r0, 24
-	lsrs r4, r0, 24
-	ldr r0, _08042CD8 @ =gPaletteFade
-	ldrb r1, [r0, 0x7]
-	movs r0, 0x80
-	ands r0, r1
-	cmp r0, 0
-	bne _08042CD0
-	ldr r0, _08042CDC @ =CB2_EggHatch_0
-	bl SetMainCallback2
-	ldr r1, _08042CE0 @ =gFieldCallback
-	ldr r0, _08042CE4 @ =sub_8080990
-	str r0, [r1]
-	adds r0, r4, 0
-	bl DestroyTask
-_08042CD0:
-	pop {r4}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_08042CD8: .4byte gPaletteFade
-_08042CDC: .4byte CB2_EggHatch_0
-_08042CE0: .4byte gFieldCallback
-_08042CE4: .4byte sub_8080990
-	thumb_func_end Task_EggHatch
-
-	thumb_func_start CB2_EggHatch_0
-CB2_EggHatch_0: @ 8042CE8
-	push {r4-r7,lr}
-	ldr r0, _08042D04 @ =gMain
-	ldr r1, _08042D08 @ =0x0000043c
-	adds r0, r1
-	ldrb r0, [r0]
-	cmp r0, 0x8
-	bls _08042CF8
-	b _08042F6E
-_08042CF8:
-	lsls r0, 2
-	ldr r1, _08042D0C @ =_08042D10
-	adds r0, r1
-	ldr r0, [r0]
-	mov pc, r0
-	.align 2, 0
-_08042D04: .4byte gMain
-_08042D08: .4byte 0x0000043c
-_08042D0C: .4byte _08042D10
-	.align 2, 0
-_08042D10:
-	.4byte _08042D34
-	.4byte _08042D90
-	.4byte _08042DC4
-	.4byte _08042E20
-	.4byte _08042E40
-	.4byte _08042E74
-	.4byte _08042E88
-	.4byte _08042EB0
-	.4byte _08042F40
-_08042D34:
-	movs r0, 0x80
-	lsls r0, 19
-	movs r2, 0
-	strh r2, [r0]
-	ldr r1, _08042D74 @ =gUnknown_0300481C
-	ldr r0, _08042D78 @ =0x02018000
-	str r0, [r1]
-	ldr r1, _08042D7C @ =gSpecialVar_0x8004
-	ldrh r1, [r1]
-	strb r1, [r0, 0x4]
-	adds r0, 0x3A
-	strb r2, [r0]
-	bl ResetTasks
-	bl ResetSpriteData
-	bl FreeAllSpritePalettes
-	ldr r0, _08042D80 @ =VBlankCB_EggHatch
-	bl SetVBlankCallback
-	ldr r1, _08042D84 @ =gMain
-	ldr r2, _08042D88 @ =0x0000043c
-	adds r1, r2
-	ldrb r0, [r1]
-	adds r0, 0x1
-	strb r0, [r1]
-	bl GetCurrentMapMusic
-	ldr r1, _08042D8C @ =gSpecialVar_0x8005
-	strh r0, [r1]
-	b _08042F6E
-	.align 2, 0
-_08042D74: .4byte gUnknown_0300481C
-_08042D78: .4byte 0x02018000
-_08042D7C: .4byte gSpecialVar_0x8004
-_08042D80: .4byte VBlankCB_EggHatch
-_08042D84: .4byte gMain
-_08042D88: .4byte 0x0000043c
-_08042D8C: .4byte gSpecialVar_0x8005
-_08042D90:
-	ldr r5, _08042DBC @ =gWindowConfig_81E6F84
-	adds r0, r5, 0
-	bl SetUpWindowConfig
-	ldr r4, _08042DC0 @ =gUnknown_0300481C
-	ldr r0, [r4]
-	adds r0, 0x8
-	adds r1, r5, 0
-	bl InitWindowFromConfig
-	movs r0, 0x14
-	bl SetTextWindowBaseTileNum
-	ldr r1, [r4]
-	adds r1, 0x38
-	strb r0, [r1]
-	ldr r0, [r4]
-	adds r0, 0x8
-	bl LoadTextWindowGraphics
-	b _08042F04
-	.align 2, 0
-_08042DBC: .4byte gWindowConfig_81E6F84
-_08042DC0: .4byte gUnknown_0300481C
-_08042DC4:
-	ldr r0, _08042DFC @ =gUnknown_08D00000
-	movs r1, 0xC0
-	lsls r1, 19
-	bl LZDecompressVram
-	ldr r0, _08042E00 @ =gUnknown_08D00524
-	ldr r4, _08042E04 @ =0x02000000
-	movs r2, 0x80
-	lsls r2, 4
-	adds r1, r4, 0
-	bl CpuSet
-	ldr r1, _08042E08 @ =0x040000d4
-	str r4, [r1]
-	ldr r0, _08042E0C @ =0x06002800
-	str r0, [r1, 0x4]
-	ldr r0, _08042E10 @ =0x80000280
-	str r0, [r1, 0x8]
-	ldr r0, [r1, 0x8]
-	ldr r0, _08042E14 @ =gUnknown_08D004E0
-	movs r1, 0
-	movs r2, 0x20
-	bl LoadCompressedPalette
-	ldr r1, _08042E18 @ =gMain
-	ldr r2, _08042E1C @ =0x0000043c
-	adds r1, r2
-	b _08042F0A
-	.align 2, 0
-_08042DFC: .4byte gUnknown_08D00000
-_08042E00: .4byte gUnknown_08D00524
-_08042E04: .4byte 0x02000000
-_08042E08: .4byte 0x040000d4
-_08042E0C: .4byte 0x06002800
-_08042E10: .4byte 0x80000280
-_08042E14: .4byte gUnknown_08D004E0
-_08042E18: .4byte gMain
-_08042E1C: .4byte 0x0000043c
-_08042E20:
-	ldr r0, _08042E34 @ =gUnknown_0820A3B0
-	bl LoadSpriteSheet
-	ldr r0, _08042E38 @ =gUnknown_0820A3B8
-	bl LoadSpriteSheet
-	ldr r0, _08042E3C @ =gUnknown_0820A3C0
-	bl LoadSpritePalette
-	b _08042F04
-	.align 2, 0
-_08042E34: .4byte gUnknown_0820A3B0
-_08042E38: .4byte gUnknown_0820A3B8
-_08042E3C: .4byte gUnknown_0820A3C0
-_08042E40:
-	ldr r0, _08042E64 @ =gSpriteTemplate_820A3C8
-	movs r1, 0x78
-	movs r2, 0x4B
-	movs r3, 0x5
-	bl CreateSprite
-	ldr r2, _08042E68 @ =gUnknown_0300481C
-	ldr r1, [r2]
-	strb r0, [r1]
-	ldr r0, [r2]
-	ldrb r0, [r0, 0x4]
-	bl AddHatchedMonToParty
-	ldr r1, _08042E6C @ =gMain
-	ldr r2, _08042E70 @ =0x0000043c
-	adds r1, r2
-	b _08042F0A
-	.align 2, 0
-_08042E64: .4byte gSpriteTemplate_820A3C8
-_08042E68: .4byte gUnknown_0300481C
-_08042E6C: .4byte gMain
-_08042E70: .4byte 0x0000043c
-_08042E74:
-	ldr r0, _08042E84 @ =gUnknown_0300481C
-	ldr r0, [r0]
-	ldrb r2, [r0, 0x4]
-	movs r0, 0
-	movs r1, 0
-	bl EggHatchCreateMonSprite
-	b _08042F04
-	.align 2, 0
-_08042E84: .4byte gUnknown_0300481C
-_08042E88:
-	ldr r4, _08042EA4 @ =gUnknown_0300481C
-	ldr r0, [r4]
-	ldrb r2, [r0, 0x4]
-	movs r0, 0
-	movs r1, 0x1
-	bl EggHatchCreateMonSprite
-	ldr r1, [r4]
-	strb r0, [r1, 0x1]
-	ldr r1, _08042EA8 @ =gMain
-	ldr r2, _08042EAC @ =0x0000043c
-	adds r1, r2
-	b _08042F0A
-	.align 2, 0
-_08042EA4: .4byte gUnknown_0300481C
-_08042EA8: .4byte gMain
-_08042EAC: .4byte 0x0000043c
-_08042EB0:
-	ldr r0, _08042F14 @ =REG_BG2CNT
-	ldr r2, _08042F18 @ =0x00004c06
-	adds r1, r2, 0
-	strh r1, [r0]
-	ldr r0, _08042F1C @ =gUnknown_0820C9F8
-	movs r1, 0x10
-	movs r2, 0xA0
-	bl LoadPalette
-	ldr r3, _08042F20 @ =gUnknown_0820CA98
-	ldr r4, _08042F24 @ =0x06004000
-	movs r5, 0x98
-	lsls r5, 5
-	ldr r1, _08042F28 @ =0x040000d4
-	ldr r6, _08042F2C @ =0x80000800
-	movs r2, 0x80
-	lsls r2, 5
-	movs r7, 0x80
-	lsls r7, 24
-_08042ED6:
-	str r3, [r1]
-	str r4, [r1, 0x4]
-	str r6, [r1, 0x8]
-	ldr r0, [r1, 0x8]
-	adds r3, r2
-	adds r4, r2
-	subs r5, r2
-	cmp r5, r2
-	bhi _08042ED6
-	str r3, [r1]
-	str r4, [r1, 0x4]
-	lsrs r0, r5, 1
-	orrs r0, r7
-	str r0, [r1, 0x8]
-	ldr r0, [r1, 0x8]
-	ldr r1, _08042F30 @ =gUnknown_0820F798
-	ldr r2, _08042F34 @ =0x06006000
-	ldr r0, _08042F28 @ =0x040000d4
-	str r1, [r0]
-	str r2, [r0, 0x4]
-	ldr r1, _08042F2C @ =0x80000800
-	str r1, [r0, 0x8]
-	ldr r0, [r0, 0x8]
-_08042F04:
-	ldr r1, _08042F38 @ =gMain
-	ldr r0, _08042F3C @ =0x0000043c
-	adds r1, r0
-_08042F0A:
-	ldrb r0, [r1]
-	adds r0, 0x1
-	strb r0, [r1]
-	b _08042F6E
-	.align 2, 0
-_08042F14: .4byte REG_BG2CNT
-_08042F18: .4byte 0x00004c06
-_08042F1C: .4byte gUnknown_0820C9F8
-_08042F20: .4byte gUnknown_0820CA98
-_08042F24: .4byte 0x06004000
-_08042F28: .4byte 0x040000d4
-_08042F2C: .4byte 0x80000800
-_08042F30: .4byte gUnknown_0820F798
-_08042F34: .4byte 0x06006000
-_08042F38: .4byte gMain
-_08042F3C: .4byte 0x0000043c
-_08042F40:
-	ldr r1, _08042F74 @ =REG_BG1CNT
-	ldr r2, _08042F78 @ =0x00000501
-	adds r0, r2, 0
-	strh r0, [r1]
-	ldr r0, _08042F7C @ =REG_BG0HOFS
-	movs r4, 0
-	strh r4, [r0]
-	adds r0, 0x2
-	strh r4, [r0]
-	adds r0, 0x2
-	strh r4, [r0]
-	adds r0, 0x2
-	strh r4, [r0]
-	adds r0, 0x2
-	strh r4, [r0]
-	adds r0, 0x2
-	strh r4, [r0]
-	ldr r0, _08042F80 @ =CB2_EggHatch_1
-	bl SetMainCallback2
-	ldr r0, _08042F84 @ =gUnknown_0300481C
-	ldr r0, [r0]
-	strb r4, [r0, 0x2]
-_08042F6E:
-	pop {r4-r7}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_08042F74: .4byte REG_BG1CNT
-_08042F78: .4byte 0x00000501
-_08042F7C: .4byte REG_BG0HOFS
-_08042F80: .4byte CB2_EggHatch_1
-_08042F84: .4byte gUnknown_0300481C
-	thumb_func_end CB2_EggHatch_0
-
-	thumb_func_start EggHatchSetMonNickname
-EggHatchSetMonNickname: @ 8042F88
-	push {lr}
-	ldr r0, _08042FA8 @ =gSpecialVar_0x8004
-	ldrh r1, [r0]
-	movs r0, 0x64
-	muls r0, r1
-	ldr r1, _08042FAC @ =gPlayerParty
-	adds r0, r1
-	ldr r2, _08042FB0 @ =gStringVar3
-	movs r1, 0x2
-	bl SetMonData
-	ldr r0, _08042FB4 @ =c2_exit_to_overworld_2_switch
-	bl SetMainCallback2
-	pop {r0}
-	bx r0
-	.align 2, 0
-_08042FA8: .4byte gSpecialVar_0x8004
-_08042FAC: .4byte gPlayerParty
-_08042FB0: .4byte gStringVar3
-_08042FB4: .4byte c2_exit_to_overworld_2_switch
-	thumb_func_end EggHatchSetMonNickname
-
-	thumb_func_start Task_EggHatchPlayBGM
-Task_EggHatchPlayBGM: @ 8042FB8
-	push {r4,r5,lr}
-	lsls r0, 24
-	lsrs r5, r0, 24
-	ldr r1, _08043004 @ =gTasks
-	lsls r0, r5, 2
-	adds r0, r5
-	lsls r0, 3
-	adds r4, r0, r1
-	movs r1, 0x8
-	ldrsh r0, [r4, r1]
-	cmp r0, 0
-	bne _08042FD4
-	bl StopMapMusic
-_08042FD4:
-	movs r1, 0x8
-	ldrsh r0, [r4, r1]
-	cmp r0, 0x1
-	bne _08042FE4
-	movs r0, 0xBC
-	lsls r0, 1
-	bl PlayBGM
-_08042FE4:
-	movs r1, 0x8
-	ldrsh r0, [r4, r1]
-	cmp r0, 0x3C
-	ble _08042FF8
-	ldr r0, _08043008 @ =0x00000179
-	bl PlayBGM
-	adds r0, r5, 0
-	bl DestroyTask
-_08042FF8:
-	ldrh r0, [r4, 0x8]
-	adds r0, 0x1
-	strh r0, [r4, 0x8]
-	pop {r4,r5}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_08043004: .4byte gTasks
-_08043008: .4byte 0x00000179
-	thumb_func_end Task_EggHatchPlayBGM
-
-	thumb_func_start CB2_EggHatch_1
-CB2_EggHatch_1: @ 804300C
-	push {r4-r6,lr}
-	mov r6, r10
-	mov r5, r9
-	mov r4, r8
-	push {r4-r6}
-	sub sp, 0x8
-	ldr r1, _08043030 @ =gUnknown_0300481C
-	ldr r0, [r1]
-	ldrb r0, [r0, 0x2]
-	adds r5, r1, 0
-	cmp r0, 0xB
-	bls _08043026
-	b _080432BA
-_08043026:
-	lsls r0, 2
-	ldr r1, _08043034 @ =_08043038
-	adds r0, r1
-	ldr r0, [r0]
-	mov pc, r0
-	.align 2, 0
-_08043030: .4byte gUnknown_0300481C
-_08043034: .4byte _08043038
-	.align 2, 0
-_08043038:
-	.4byte _08043068
-	.4byte _080430A0
-	.4byte _080430C0
-	.4byte _080430F8
-	.4byte _08043124
-	.4byte _08043164
-	.4byte _08043172
-	.4byte _08043180
-	.4byte _080431B8
-	.4byte _080431DA
-	.4byte _08043288
-	.4byte _080432A8
-_08043068:
-	movs r0, 0x1
-	negs r0, r0
-	movs r1, 0
-	str r1, [sp]
-	movs r2, 0x10
-	movs r3, 0
-	bl BeginNormalPaletteFade
-	movs r1, 0x80
-	lsls r1, 19
-	movs r2, 0xBA
-	lsls r2, 5
-	adds r0, r2, 0
-	strh r0, [r1]
-	ldr r0, _08043098 @ =gUnknown_0300481C
-	ldr r1, [r0]
-	ldrb r0, [r1, 0x2]
-	adds r0, 0x1
-	strb r0, [r1, 0x2]
-	ldr r0, _0804309C @ =Task_EggHatchPlayBGM
-	movs r1, 0x5
-	bl CreateTask
-	b _080432BA
-	.align 2, 0
-_08043098: .4byte gUnknown_0300481C
-_0804309C: .4byte Task_EggHatchPlayBGM
-_080430A0:
-	ldr r0, _080430BC @ =gPaletteFade
-	ldrb r1, [r0, 0x7]
-	movs r0, 0x80
-	ands r0, r1
-	lsls r0, 24
-	lsrs r1, r0, 24
-	cmp r1, 0
-	beq _080430B2
-	b _080432BA
-_080430B2:
-	ldr r0, [r5]
-	strb r1, [r0, 0x3]
-	ldr r1, [r5]
-	b _0804329C
-	.align 2, 0
-_080430BC: .4byte gPaletteFade
-_080430C0:
-	ldr r1, [r5]
-	ldrb r0, [r1, 0x3]
-	adds r0, 0x1
-	strb r0, [r1, 0x3]
-	lsls r0, 24
-	lsrs r0, 24
-	cmp r0, 0x1E
-	bhi _080430D2
-	b _080432BA
-_080430D2:
-	ldr r1, [r5]
-	ldrb r0, [r1, 0x2]
-	adds r0, 0x1
-	strb r0, [r1, 0x2]
-	ldr r2, _080430F0 @ =gSprites
-	ldr r0, [r5]
-	ldrb r1, [r0]
-	lsls r0, r1, 4
-	adds r0, r1
-	lsls r0, 2
-	adds r2, 0x1C
-	adds r0, r2
-	ldr r1, _080430F4 @ =SpriteCB_Egg_0
-	str r1, [r0]
-	b _080432BA
-	.align 2, 0
-_080430F0: .4byte gSprites
-_080430F4: .4byte SpriteCB_Egg_0
-_080430F8:
-	ldr r2, _0804311C @ =gSprites
-	ldr r3, [r5]
-	ldrb r1, [r3]
-	lsls r0, r1, 4
-	adds r0, r1
-	lsls r0, 2
-	adds r2, 0x1C
-	adds r0, r2
-	ldr r1, [r0]
-	ldr r0, _08043120 @ =SpriteCallbackDummy
-	cmp r1, r0
-	beq _08043112
-	b _080432BA
-_08043112:
-	ldrb r0, [r3, 0x2]
-	adds r0, 0x1
-	strb r0, [r3, 0x2]
-	b _080432BA
-	.align 2, 0
-_0804311C: .4byte gSprites
-_08043120: .4byte SpriteCallbackDummy
-_08043124:
-	ldr r0, [r5]
-	ldrb r1, [r0, 0x4]
-	movs r0, 0x64
-	muls r0, r1
-	ldr r1, _08043150 @ =gPlayerParty
-	adds r0, r1
-	ldr r1, _08043154 @ =gStringVar1
-	bl GetMonNick
-	ldr r4, _08043158 @ =gStringVar4
-	ldr r1, _0804315C @ =gOtherText_HatchedFromEgg
-	adds r0, r4, 0
-	bl StringExpandPlaceholders
-	adds r0, r4, 0
-	bl EggHatchPrintMessage2
-	ldr r0, _08043160 @ =0x00000173
-	bl PlayFanfare
-	ldr r1, [r5]
-	b _0804329C
-	.align 2, 0
-_08043150: .4byte gPlayerParty
-_08043154: .4byte gStringVar1
-_08043158: .4byte gStringVar4
-_0804315C: .4byte gOtherText_HatchedFromEgg
-_08043160: .4byte 0x00000173
-_08043164:
-	bl IsFanfareTaskInactive
-	lsls r0, 24
-	cmp r0, 0
-	bne _08043170
-	b _080432BA
-_08043170:
-	b _08043298
-_08043172:
-	bl IsFanfareTaskInactive
-	lsls r0, 24
-	cmp r0, 0
-	bne _0804317E
-	b _080432BA
-_0804317E:
-	b _08043298
-_08043180:
-	ldr r0, [r5]
-	ldrb r1, [r0, 0x4]
-	movs r0, 0x64
-	muls r0, r1
-	ldr r1, _080431A8 @ =gPlayerParty
-	adds r0, r1
-	ldr r1, _080431AC @ =gStringVar1
-	bl GetMonNick
-	ldr r4, _080431B0 @ =gStringVar4
-	ldr r1, _080431B4 @ =gOtherText_NickHatchPrompt
-	adds r0, r4, 0
-	bl StringExpandPlaceholders
-	adds r0, r4, 0
-	bl EggHatchPrintMessage1
-	ldr r1, [r5]
-	b _0804329C
-	.align 2, 0
-_080431A8: .4byte gPlayerParty
-_080431AC: .4byte gStringVar1
-_080431B0: .4byte gStringVar4
-_080431B4: .4byte gOtherText_NickHatchPrompt
-_080431B8:
-	bl EggHatchUpdateWindowText
-	lsls r0, 24
-	cmp r0, 0
-	beq _080432BA
-	movs r0, 0x16
-	movs r1, 0x8
-	movs r2, 0x1B
-	movs r3, 0xD
-	bl MenuDrawTextWindow
-	movs r0, 0x16
-	movs r1, 0x8
-	movs r2, 0x4
-	bl InitYesNoMenu
-	b _08043298
-_080431DA:
-	bl ProcessMenuInputNoWrap_
-	lsls r0, 24
-	lsrs r2, r0, 24
-	asrs r0, 24
-	movs r1, 0x2
-	negs r1, r1
-	cmp r0, r1
-	beq _080432BA
-	lsls r0, r2, 24
-	asrs r1, r0, 24
-	movs r0, 0x1
-	negs r0, r0
-	cmp r1, r0
-	beq _08043298
-	cmp r1, 0x1
-	beq _08043298
-	ldr r0, _08043278 @ =gUnknown_0300481C
-	mov r9, r0
-	ldr r0, [r0]
-	ldrb r0, [r0, 0x4]
-	movs r1, 0x64
-	mov r8, r1
-	mov r2, r8
-	muls r2, r0
-	adds r0, r2, 0
-	ldr r6, _0804327C @ =gPlayerParty
-	adds r0, r6
-	ldr r1, _08043280 @ =gStringVar3
-	mov r10, r1
-	bl GetMonNick
-	mov r2, r9
-	ldr r0, [r2]
-	ldrb r0, [r0, 0x4]
-	mov r1, r8
-	muls r1, r0
-	adds r0, r1, 0
-	adds r0, r6
-	movs r1, 0xB
-	bl GetMonData
-	adds r5, r0, 0
-	lsls r5, 16
-	lsrs r5, 16
-	mov r2, r9
-	ldr r0, [r2]
-	ldrb r0, [r0, 0x4]
-	mov r1, r8
-	muls r1, r0
-	adds r0, r1, 0
-	adds r0, r6
-	bl GetMonGender
-	adds r4, r0, 0
-	lsls r4, 24
-	lsrs r4, 24
-	mov r2, r9
-	ldr r0, [r2]
-	ldrb r0, [r0, 0x4]
-	mov r1, r8
-	muls r1, r0
-	adds r0, r1, 0
-	adds r0, r6
-	movs r1, 0
-	movs r2, 0
-	bl GetMonData
-	str r0, [sp]
-	ldr r0, _08043284 @ =EggHatchSetMonNickname
-	str r0, [sp, 0x4]
-	movs r0, 0x3
-	mov r1, r10
-	adds r2, r5, 0
-	adds r3, r4, 0
-	bl DoNamingScreen
-	b _080432BA
-	.align 2, 0
-_08043278: .4byte gUnknown_0300481C
-_0804327C: .4byte gPlayerParty
-_08043280: .4byte gStringVar3
-_08043284: .4byte EggHatchSetMonNickname
-_08043288:
-	movs r0, 0x1
-	negs r0, r0
-	movs r1, 0
-	str r1, [sp]
-	movs r2, 0
-	movs r3, 0x10
-	bl BeginNormalPaletteFade
-_08043298:
-	ldr r0, _080432A4 @ =gUnknown_0300481C
-	ldr r1, [r0]
-_0804329C:
-	ldrb r0, [r1, 0x2]
-	adds r0, 0x1
-	strb r0, [r1, 0x2]
-	b _080432BA
-	.align 2, 0
-_080432A4: .4byte gUnknown_0300481C
-_080432A8:
-	ldr r0, _080432DC @ =gPaletteFade
-	ldrb r1, [r0, 0x7]
-	movs r0, 0x80
-	ands r0, r1
-	cmp r0, 0
-	bne _080432BA
-	ldr r0, _080432E0 @ =c2_exit_to_overworld_2_switch
-	bl SetMainCallback2
-_080432BA:
-	bl RunTasks
-	bl AnimateSprites
-	bl BuildOamBuffer
-	bl UpdatePaletteFade
-	add sp, 0x8
-	pop {r3-r5}
-	mov r8, r3
-	mov r9, r4
-	mov r10, r5
-	pop {r4-r6}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_080432DC: .4byte gPaletteFade
-_080432E0: .4byte c2_exit_to_overworld_2_switch
-	thumb_func_end CB2_EggHatch_1
-
-	thumb_func_start SpriteCB_Egg_0
-SpriteCB_Egg_0: @ 80432E4
-	push {r4,lr}
-	adds r4, r0, 0
-	ldrh r0, [r4, 0x2E]
-	adds r0, 0x1
-	strh r0, [r4, 0x2E]
-	lsls r0, 16
-	asrs r0, 16
-	cmp r0, 0x14
-	ble _08043304
-	ldr r0, _08043300 @ =SpriteCB_Egg_1
-	str r0, [r4, 0x1C]
-	movs r0, 0
-	strh r0, [r4, 0x2E]
-	b _08043334
-	.align 2, 0
-_08043300: .4byte SpriteCB_Egg_1
-_08043304:
-	ldrh r0, [r4, 0x30]
-	adds r0, 0x14
-	movs r1, 0xFF
-	ands r0, r1
-	strh r0, [r4, 0x30]
-	movs r1, 0x30
-	ldrsh r0, [r4, r1]
-	movs r1, 0x1
-	bl Sin
-	strh r0, [r4, 0x24]
-	movs r1, 0x2E
-	ldrsh r0, [r4, r1]
-	cmp r0, 0xF
-	bne _08043334
-	movs r0, 0x17
-	bl PlaySE
-	adds r0, r4, 0
-	movs r1, 0x1
-	bl StartSpriteAnim
-	bl CreateRandomEggShardSprite
-_08043334:
-	pop {r4}
-	pop {r0}
-	bx r0
-	thumb_func_end SpriteCB_Egg_0
-
-	thumb_func_start SpriteCB_Egg_1
-SpriteCB_Egg_1: @ 804333C
-	push {r4,lr}
-	adds r4, r0, 0
-	ldrh r0, [r4, 0x32]
-	adds r0, 0x1
-	movs r1, 0
-	strh r0, [r4, 0x32]
-	lsls r0, 16
-	asrs r0, 16
-	cmp r0, 0x1E
-	ble _08043398
-	ldrh r0, [r4, 0x2E]
-	adds r0, 0x1
-	strh r0, [r4, 0x2E]
-	lsls r0, 16
-	asrs r0, 16
-	cmp r0, 0x14
-	ble _0804336C
-	ldr r0, _08043368 @ =SpriteCB_Egg_2
-	str r0, [r4, 0x1C]
-	strh r1, [r4, 0x2E]
-	strh r1, [r4, 0x32]
-	b _08043398
-	.align 2, 0
-_08043368: .4byte SpriteCB_Egg_2
-_0804336C:
-	ldrh r0, [r4, 0x30]
-	adds r0, 0x14
-	movs r1, 0xFF
-	ands r0, r1
-	strh r0, [r4, 0x30]
-	movs r1, 0x30
-	ldrsh r0, [r4, r1]
-	movs r1, 0x2
-	bl Sin
-	strh r0, [r4, 0x24]
-	movs r1, 0x2E
-	ldrsh r0, [r4, r1]
-	cmp r0, 0xF
-	bne _08043398
-	movs r0, 0x17
-	bl PlaySE
-	adds r0, r4, 0
-	movs r1, 0x2
-	bl StartSpriteAnim
-_08043398:
-	pop {r4}
-	pop {r0}
-	bx r0
-	thumb_func_end SpriteCB_Egg_1
-
-	thumb_func_start SpriteCB_Egg_2
-SpriteCB_Egg_2: @ 80433A0
-	push {r4-r6,lr}
-	adds r4, r0, 0
-	ldrh r0, [r4, 0x32]
-	adds r0, 0x1
-	movs r6, 0
-	strh r0, [r4, 0x32]
-	lsls r0, 16
-	asrs r0, 16
-	cmp r0, 0x1E
-	ble _0804345A
-	ldrh r0, [r4, 0x2E]
-	adds r0, 0x1
-	strh r0, [r4, 0x2E]
-	lsls r0, 16
-	asrs r0, 16
-	cmp r0, 0x26
-	ble _08043418
-	ldr r0, _08043404 @ =SpriteCB_Egg_3
-	str r0, [r4, 0x1C]
-	strh r6, [r4, 0x2E]
-	ldr r5, _08043408 @ =gUnknown_0300481C
-	ldr r0, [r5]
-	ldrb r1, [r0, 0x4]
-	movs r0, 0x64
-	muls r0, r1
-	ldr r1, _0804340C @ =gPlayerParty
-	adds r0, r1
-	movs r1, 0xB
-	bl GetMonData
-	lsls r0, 16
-	ldr r4, _08043410 @ =gSprites
-	ldr r3, [r5]
-	ldrb r2, [r3, 0x1]
-	lsls r1, r2, 4
-	adds r1, r2
-	lsls r1, 2
-	adds r1, r4
-	strh r6, [r1, 0x24]
-	ldrb r2, [r3, 0x1]
-	lsls r1, r2, 4
-	adds r1, r2
-	lsls r1, 2
-	adds r1, r4
-	ldr r2, _08043414 @ =gMonFrontPicCoords
-	lsrs r0, 14
-	adds r0, r2
-	ldrb r0, [r0, 0x1]
-	strh r0, [r1, 0x26]
-	b _0804345A
-	.align 2, 0
-_08043404: .4byte SpriteCB_Egg_3
-_08043408: .4byte gUnknown_0300481C
-_0804340C: .4byte gPlayerParty
-_08043410: .4byte gSprites
-_08043414: .4byte gMonFrontPicCoords
-_08043418:
-	ldrh r0, [r4, 0x30]
-	adds r0, 0x14
-	movs r1, 0xFF
-	ands r0, r1
-	strh r0, [r4, 0x30]
-	movs r1, 0x30
-	ldrsh r0, [r4, r1]
-	movs r1, 0x2
-	bl Sin
-	strh r0, [r4, 0x24]
-	movs r1, 0x2E
-	ldrsh r0, [r4, r1]
-	cmp r0, 0xF
-	bne _0804344C
-	movs r0, 0x17
-	bl PlaySE
-	adds r0, r4, 0
-	movs r1, 0x2
-	bl StartSpriteAnim
-	bl CreateRandomEggShardSprite
-	bl CreateRandomEggShardSprite
-_0804344C:
-	movs r1, 0x2E
-	ldrsh r0, [r4, r1]
-	cmp r0, 0x1E
-	bne _0804345A
-	movs r0, 0x17
-	bl PlaySE
-_0804345A:
-	pop {r4-r6}
-	pop {r0}
-	bx r0
-	thumb_func_end SpriteCB_Egg_2
-
-	thumb_func_start SpriteCB_Egg_3
-SpriteCB_Egg_3: @ 8043460
-	push {lr}
-	adds r1, r0, 0
-	ldrh r0, [r1, 0x2E]
-	adds r0, 0x1
-	strh r0, [r1, 0x2E]
-	lsls r0, 16
-	asrs r0, 16
-	cmp r0, 0x32
-	ble _0804347A
-	ldr r0, _08043480 @ =SpriteCB_Egg_4
-	str r0, [r1, 0x1C]
-	movs r0, 0
-	strh r0, [r1, 0x2E]
-_0804347A:
-	pop {r0}
-	bx r0
-	.align 2, 0
-_08043480: .4byte SpriteCB_Egg_4
-	thumb_func_end SpriteCB_Egg_3
-
-	thumb_func_start SpriteCB_Egg_4
-SpriteCB_Egg_4: @ 8043484
-	push {r4,r5,lr}
-	sub sp, 0x4
-	adds r5, r0, 0
-	movs r1, 0x2E
-	ldrsh r0, [r5, r1]
-	cmp r0, 0
-	bne _080434A4
-	movs r1, 0x1
-	negs r1, r1
-	ldr r0, _080434F8 @ =0x0000ffff
-	str r0, [sp]
-	adds r0, r1, 0
-	movs r2, 0
-	movs r3, 0x10
-	bl BeginNormalPaletteFade
-_080434A4:
-	ldrh r0, [r5, 0x2E]
-	cmp r0, 0x3
-	bhi _080434C0
-	movs r4, 0
-_080434AC:
-	bl CreateRandomEggShardSprite
-	lsls r0, r4, 16
-	movs r1, 0x80
-	lsls r1, 9
-	adds r0, r1
-	lsrs r4, r0, 16
-	asrs r0, 16
-	cmp r0, 0x3
-	ble _080434AC
-_080434C0:
-	ldrh r0, [r5, 0x2E]
-	adds r0, 0x1
-	strh r0, [r5, 0x2E]
-	ldr r0, _080434FC @ =gPaletteFade
-	ldrb r1, [r0, 0x7]
-	movs r0, 0x80
-	ands r0, r1
-	lsls r0, 24
-	lsrs r4, r0, 24
-	cmp r4, 0
-	bne _080434EE
-	movs r0, 0x71
-	bl PlaySE
-	adds r2, r5, 0
-	adds r2, 0x3E
-	ldrb r0, [r2]
-	movs r1, 0x4
-	orrs r0, r1
-	strb r0, [r2]
-	ldr r0, _08043500 @ =SpriteCB_Egg_5
-	str r0, [r5, 0x1C]
-	strh r4, [r5, 0x2E]
-_080434EE:
-	add sp, 0x4
-	pop {r4,r5}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_080434F8: .4byte 0x0000ffff
-_080434FC: .4byte gPaletteFade
-_08043500: .4byte SpriteCB_Egg_5
-	thumb_func_end SpriteCB_Egg_4
 
 	thumb_func_start SpriteCB_Egg_5
 SpriteCB_Egg_5: @ 8043504
diff --git a/include/decompress.h b/include/decompress.h
index 07d69301f..84c1f29c0 100644
--- a/include/decompress.h
+++ b/include/decompress.h
@@ -10,7 +10,7 @@ void LoadCompressedObjectPicOverrideBuffer(const struct CompressedSpriteSheet *a
 void LoadCompressedObjectPalette(const struct CompressedSpritePalette *a);
 void LoadCompressedObjectPaletteOverrideBuffer(const struct CompressedSpritePalette *a, void *buffer);
 void DecompressPicFromTable_2(const struct CompressedSpriteSheet *a, u8 b, u8 c, void *d, void *e, s32 f);
-void HandleLoadSpecialPokePic(const struct CompressedSpriteSheet *spriteSheet, u32 b, u32 c, u32 d, void *dest, s32 species, u32 g);
+void HandleLoadSpecialPokePic(const struct CompressedSpriteSheet *spriteSheet, u32 b, u32 c, u32 d, void *dest, s32 species, u32 pid);
 void LoadSpecialPokePic(const struct CompressedSpriteSheet *spriteSheet, u32 b, u32 c, u32 d, void *dest, s32 species, u32 g, u32 h);
 void Unused_LZDecompressWramIndirect(const void **src, void *dest);
 
diff --git a/include/pokemon.h b/include/pokemon.h
index 21173d503..2cc8e9ac4 100644
--- a/include/pokemon.h
+++ b/include/pokemon.h
@@ -542,7 +542,7 @@ union PokemonSubstruct *GetSubstruct(struct BoxPokemon *boxMon, u32 personality,
 u32 GetMonData();
 u32 GetBoxMonData();
 
-void SetMonData(struct Pokemon *mon, s32 field, const u8 *data);
+void SetMonData(struct Pokemon *mon, s32 field, const void *data);
 void SetBoxMonData(struct BoxPokemon *boxMon, s32 field, const u8 *data);
 void CopyMon(void *dest, void *src, size_t size);
 u8 GiveMonToPlayer(struct Pokemon *mon);
diff --git a/include/sprite.h b/include/sprite.h
index 733231eb5..5682a7c1d 100644
--- a/include/sprite.h
+++ b/include/sprite.h
@@ -204,14 +204,14 @@ struct Sprite
     /*0x3A*/ s16 data6;
     /*0x3C*/ s16 data7;
 
-    /*0x3E*/ u16 inUse:1;
-             u16 coordOffsetEnabled:1;
-             u16 invisible:1;
-             u16 flags_3:1;
-             u16 flags_4:1;
-             u16 flags_5:1;
-             u16 flags_6:1;
-             u16 flags_7:1;
+    /*0x3E*/ u16 inUse:1;               //1
+             u16 coordOffsetEnabled:1;  //2
+             u16 invisible:1;           //4
+             u16 flags_3:1;             //8
+             u16 flags_4:1;             //0x10
+             u16 flags_5:1;             //0x20
+             u16 flags_6:1;             //0x40
+             u16 flags_7:1;             //0x80
     /*0x3F*/ u16 hFlip:1;
              u16 vFlip:1;
              u16 animBeginning:1;
diff --git a/src/egg_hatch.c b/src/egg_hatch.c
index 32fbe1547..70d206a06 100644
--- a/src/egg_hatch.c
+++ b/src/egg_hatch.c
@@ -1,7 +1,38 @@
 #include "global.h"
 #include "pokemon.h"
+#include "items.h"
+#include "decompress.h"
+#include "data2.h"
+#include "task.h"
+#include "script.h"
+#include "palette.h"
+#include "rom4.h"
+#include "main.h"
+#include "event_data.h"
+#include "sound.h"
+#include "text.h"
+#include "text_window.h"
+#include "string_util.h"
+#include "strings2.h"
+#include "menu.h"
+#include "naming_screen.h"
+#include "trig.h"
 
-void CreatedHatchedMon(struct Pokemon *egg, struct Pokemon *temp) {
+extern u8 gStringVar1[];
+extern u8 ewram[];
+extern struct SpriteTemplate gUnknown_02024E8C;
+
+bool8 GetNationalPokedexFlag(u16 nationalNum, u8 caseID);
+u8* GetMonNick(struct Pokemon* mon, u8* dst);
+u8 sav1_map_get_name(void);
+const struct CompressedSpritePalette* sub_8040990(struct Pokemon* mon); //gets pokemon palette address
+void sub_8080990(void);
+
+void Task_EggHatch(u8 taskID);
+void CB2_EggHatch_0(void);
+
+void CreatedHatchedMon(struct Pokemon *egg, struct Pokemon *temp)
+{
     u16 species;
     u32 personality, pokerus;
     u8 i, friendship, language, gameMet, markings;
@@ -50,3 +81,541 @@ void CreatedHatchedMon(struct Pokemon *egg, struct Pokemon *temp) {
 
     *egg = *temp;
 }
+
+void AddHatchedMonToParty(u8 id)
+{
+    u8 isEgg;
+    u16 pokeNum;
+    u8 name[12];
+    u16 ball;
+    u16 caughtLvl;
+    u8 mapNameID;
+    struct Pokemon* mon = &gPlayerParty[id];
+
+    CreatedHatchedMon(mon, &gEnemyParty[0]);
+    isEgg = 0;
+    SetMonData(mon, MON_DATA_IS_EGG, &isEgg);
+
+    pokeNum = GetMonData(mon, MON_DATA_SPECIES);
+    GetSpeciesName(name, pokeNum);
+    SetMonData(mon, MON_DATA_NICKNAME, name);
+
+    pokeNum = SpeciesToNationalPokedexNum(pokeNum);
+    GetNationalPokedexFlag(pokeNum, 2);
+    GetNationalPokedexFlag(pokeNum, 3);
+
+    GetMonNick(mon, gStringVar1);
+
+    ball = ITEM_POKE_BALL;
+    SetMonData(mon, MON_DATA_POKEBALL, &ball);
+
+    caughtLvl = 0;
+    SetMonData(mon, MON_DATA_MET_LEVEL, &caughtLvl);
+
+    mapNameID = sav1_map_get_name();
+    SetMonData(mon, MON_DATA_MET_LOCATION, &mapNameID);
+
+    MonRestorePP(mon);
+    CalculateMonStats(mon);
+}
+
+void ScriptHatchMon(void)
+{
+    AddHatchedMonToParty(gSpecialVar_0x8004);
+}
+
+__attribute__((naked))
+bool8 sub_8042ABC(void* a, u8 b)
+{
+    asm(".syntax unified\n\
+	push {r4-r6,lr}\n\
+	sub sp, 0x20\n\
+	adds r5, r0, 0\n\
+	lsls r4, r1, 24\n\
+	lsrs r4, 24\n\
+	lsls r0, r4, 2\n\
+	adds r0, r4\n\
+	lsls r0, 4\n\
+	adds r0, r5, r0\n\
+	mov r1, sp\n\
+	bl GetBoxMonNick\n\
+	lsls r0, r4, 3\n\
+	subs r0, r4\n\
+	lsls r1, r0, 3\n\
+	adds r0, r5, r1\n\
+	adds r0, 0xC0\n\
+	ldrh r0, [r0]\n\
+	cmp r0, 0\n\
+	beq _08042B40\n\
+	adds r0, r1, 0\n\
+	adds r0, 0xA0\n\
+	adds r5, r0\n\
+	adds r6, r5, 0\n\
+	adds r6, 0x2C\n\
+	mov r0, sp\n\
+	adds r1, r6, 0\n\
+	bl StringCompareWithoutExtCtrlCodes\n\
+	cmp r0, 0\n\
+	bne _08042B08\n\
+	ldr r0, _08042B30 @ =gSaveBlock2\n\
+	adds r1, r5, 0\n\
+	adds r1, 0x24\n\
+	bl StringCompareWithoutExtCtrlCodes\n\
+	cmp r0, 0\n\
+	beq _08042B40\n\
+_08042B08:\n\
+	ldr r0, _08042B34 @ =gStringVar1\n\
+	mov r1, sp\n\
+	bl StringCopy\n\
+	ldr r4, _08042B38 @ =gStringVar2\n\
+	adds r1, r5, 0\n\
+	adds r1, 0x24\n\
+	adds r0, r4, 0\n\
+	bl StringCopy\n\
+	ldr r0, _08042B3C @ =gStringVar3\n\
+	adds r1, r6, 0\n\
+	bl StringCopy\n\
+	adds r0, r4, 0\n\
+	bl SanitizeNameString\n\
+	movs r0, 0x1\n\
+	b _08042B42\n\
+	.align 2, 0\n\
+_08042B30: .4byte gSaveBlock2\n\
+_08042B34: .4byte gStringVar1\n\
+_08042B38: .4byte gStringVar2\n\
+_08042B3C: .4byte gStringVar3\n\
+_08042B40:\n\
+	movs r0, 0\n\
+_08042B42:\n\
+	add sp, 0x20\n\
+	pop {r4-r6}\n\
+	pop {r1}\n\
+	bx r1\n\
+        .syntax divided");
+}
+
+bool8 sub_8042B4C(void)
+{
+    return sub_8042ABC(&gSaveBlock1.daycareData, gSpecialVar_0x8004);
+}
+
+u8 EggHatchCreateMonSprite(u8 a0, u8 switchID, u8 pokeID)
+{
+    u8 r5 = 0;
+    u8 spriteID = 0;
+    struct Pokemon* mon = NULL;
+
+    if (a0 == 0)
+    {
+        mon = &gPlayerParty[pokeID];
+        r5 = 1;
+    }
+    if (a0 == 1)
+    {
+        mon = &gPlayerParty[pokeID];
+        r5 = 3;
+    }
+    switch (switchID)
+    {
+    case 0:
+        {
+            u16 species = GetMonData(mon, MON_DATA_SPECIES);
+            u32 pid = GetMonData(mon, MON_DATA_PERSONALITY);
+            HandleLoadSpecialPokePic(&gMonFrontPicTable[species], gMonFrontPicCoords[species].coords, gMonFrontPicCoords[species].y_offset,(u32)(&ewram[0]), gUnknown_081FAF4C[2 * a0 + 1], species, pid);
+            LoadCompressedObjectPalette(sub_8040990(mon));
+        }
+        break;
+    case 1:
+        GetMonSpriteTemplate_803C56C(sub_8040990(mon)->tag, r5);
+        spriteID = CreateSprite(&gUnknown_02024E8C, 120, 70, 6);
+        gSprites[spriteID].invisible = 1;
+        gSprites[spriteID].callback = SpriteCallbackDummy;
+        break;
+    }
+    return spriteID;
+}
+
+void VBlankCB_EggHatch(void)
+{
+    LoadOam();
+    ProcessSpriteCopyRequests();
+    TransferPlttBuffer();
+}
+
+void EggHatch(void)
+{
+    ScriptContext2_Enable();
+    CreateTask(Task_EggHatch, 10);
+    BeginNormalPaletteFade(-1, 0, 0, 0x10, 0);
+}
+
+void Task_EggHatch(u8 taskID)
+{
+    if (!gPaletteFade.active)
+    {
+        SetMainCallback2(CB2_EggHatch_0);
+        gFieldCallback = sub_8080990;
+        DestroyTask(taskID);
+    }
+}
+
+void CB2_EggHatch_1(void);
+
+struct Struct_2018000
+{
+    u8 eggSpriteID;
+    u8 pokeSpriteID;
+    u8 field_2;
+    u8 field_3;
+    u8 eggPartyID;
+    u8 field_5;
+    u8 field_6;
+    u8 field_7;
+    struct Window window;
+    u8 field_38;
+    u8 field_39;
+    u8 field_3A;
+};
+
+extern struct Struct_2018000* gUnknown_0300481C;
+extern const u32 gUnknown_08D00000[];
+extern const u32 gUnknown_08D00524[];
+extern const u32 gUnknown_0820CA98[];
+extern const u32 gUnknown_0820F798[];
+extern const u16 gUnknown_08D004E0[]; //palette
+
+extern const u16 gUnknown_0820C9F8[]; //palette
+
+extern const struct SpriteSheet gUnknown_0820A3B0;
+extern const struct SpriteSheet gUnknown_0820A3B8;
+extern const struct SpritePalette gUnknown_0820A3C0;
+
+extern const struct SpriteTemplate gSpriteTemplate_820A3C8;
+
+void CB2_EggHatch_0(void)
+{
+    switch (gMain.state)
+    {
+    case 0:
+        REG_DISPCNT = 0;
+        gUnknown_0300481C = (struct Struct_2018000*)(&ewram[0x18000]);
+        gUnknown_0300481C->eggPartyID = gSpecialVar_0x8004;
+        gUnknown_0300481C->field_3A = 0;
+        ResetTasks();
+        ResetSpriteData();
+        FreeAllSpritePalettes();
+        SetVBlankCallback(VBlankCB_EggHatch);
+        gMain.state++;
+        gSpecialVar_0x8005 = GetCurrentMapMusic();
+        break;
+    case 1:
+        SetUpWindowConfig(&gWindowConfig_81E6F84);
+        InitWindowFromConfig(&gUnknown_0300481C->window, &gWindowConfig_81E6F84);
+        gUnknown_0300481C->field_38 = SetTextWindowBaseTileNum(20);
+        LoadTextWindowGraphics(&gUnknown_0300481C->window);
+        gMain.state++;
+        break;
+    case 2:
+        LZDecompressVram(&gUnknown_08D00000, (void*)(VRAM));
+        CpuSet(&gUnknown_08D00524, &ewram[0], 0x800);
+        DmaCopy16(3, &ewram[0], (void*)(VRAM + 0x2800), 0x500);
+        LoadCompressedPalette(&gUnknown_08D004E0, 0, 0x20);
+        gMain.state++;
+        break;
+    case 3:
+        LoadSpriteSheet(&gUnknown_0820A3B0);
+        LoadSpriteSheet(&gUnknown_0820A3B8);
+        LoadSpritePalette(&gUnknown_0820A3C0);
+        gMain.state++;
+        break;
+    case 4:
+        gUnknown_0300481C->eggSpriteID = CreateSprite(&gSpriteTemplate_820A3C8, 0x78, 0x4B, 5);
+        AddHatchedMonToParty(gUnknown_0300481C->eggPartyID);
+        gMain.state++;
+        break;
+    case 5:
+        EggHatchCreateMonSprite(0, 0, gUnknown_0300481C->eggPartyID);
+        gMain.state++;
+        break;
+    case 6:
+        gUnknown_0300481C->pokeSpriteID = EggHatchCreateMonSprite(0, 1, gUnknown_0300481C->eggPartyID);
+        gMain.state++;
+        break;
+    case 7:
+        {
+            u32 offsetRead, offsetWrite;
+            u32 offsetRead2, offsetWrite2;
+            u32 size;
+
+            REG_BG2CNT = 0x4C06;
+            LoadPalette(&gUnknown_0820C9F8, 0x10, 0xA0);
+
+            offsetRead = (u32)(&gUnknown_0820CA98);
+            offsetWrite = (VRAM + 0x4000);
+            size = 0x1300;
+            while (TRUE)
+            {
+                DmaCopy16(3, offsetRead, (void *) (offsetWrite), 0x1000);
+                offsetRead += 0x1000;
+                offsetWrite += 0x1000;
+                size -= 0x1000;
+                if (size <= 0x1000)
+                {
+                    DmaCopy16(3, offsetRead, (void *) (offsetWrite), size);
+                    break;
+                }
+            }
+
+            offsetRead2 = (u32)(&gUnknown_0820F798);
+            offsetWrite2 = (u32)(VRAM + 0x6000);
+            DmaCopy16(3, offsetRead2, (void*)(offsetWrite2), 0x1000);
+            gMain.state++;
+        }
+        break;
+    case 8:
+        REG_BG1CNT = 0x501;
+
+        REG_BG0HOFS = 0;
+        REG_BG0VOFS = 0;
+
+        REG_BG1HOFS = 0;
+        REG_BG1VOFS = 0;
+
+        REG_BG2HOFS = 0;
+        REG_BG2VOFS = 0;
+
+        SetMainCallback2(CB2_EggHatch_1);
+        gUnknown_0300481C->field_2 = 0;
+        break;
+    }
+}
+
+void EggHatchSetMonNickname(void)
+{
+    SetMonData(&gPlayerParty[gSpecialVar_0x8004], MON_DATA_NICKNAME, gStringVar3);
+    SetMainCallback2(c2_exit_to_overworld_2_switch);
+}
+
+void Task_EggHatchPlayBGM(u8 taskID)
+{
+    if (gTasks[taskID].data[0] == 0)
+        StopMapMusic();
+    if (gTasks[taskID].data[0] == 1)
+        PlayBGM(376);
+    if (gTasks[taskID].data[0] > 60)
+    {
+        PlayBGM(377);
+        DestroyTask(taskID);
+        //return; task is destroyed, yet you increment the value?
+    }
+    gTasks[taskID].data[0]++;
+}
+
+void SpriteCB_Egg_0(struct Sprite* sprite);
+void SpriteCB_Egg_1(struct Sprite* sprite);
+void SpriteCB_Egg_2(struct Sprite* sprite);
+void SpriteCB_Egg_3(struct Sprite* sprite);
+void SpriteCB_Egg_4(struct Sprite* sprite);
+void SpriteCB_Egg_5(struct Sprite* sprite);
+
+void EggHatchPrintMessage2(u8* src);
+void EggHatchPrintMessage1(u8* src);
+bool8 EggHatchUpdateWindowText(void);
+void CreateRandomEggShardSprite(void);
+
+void CB2_EggHatch_1(void)
+{
+    switch (gUnknown_0300481C->field_2)
+    {
+    case 0:
+        BeginNormalPaletteFade(-1, 0, 0x10, 0, 0);
+        REG_DISPCNT = 0x1740;
+        gUnknown_0300481C->field_2++;
+        CreateTask(Task_EggHatchPlayBGM, 5);
+        break;
+    case 1:
+        if (!gPaletteFade.active)
+        {
+            gUnknown_0300481C->field_3 = 0;
+            gUnknown_0300481C->field_2++;
+        }
+        break;
+    case 2:
+        if (++gUnknown_0300481C->field_3 > 30)
+        {
+            gUnknown_0300481C->field_2++;
+            gSprites[gUnknown_0300481C->eggSpriteID].callback = SpriteCB_Egg_0;
+        }
+        break;
+    case 3:
+        if (gSprites[gUnknown_0300481C->eggSpriteID].callback == SpriteCallbackDummy)
+            gUnknown_0300481C->field_2++;
+        break;
+    case 4:
+        GetMonNick(&gPlayerParty[gUnknown_0300481C->eggPartyID], gStringVar1);
+        StringExpandPlaceholders(gStringVar4, gOtherText_HatchedFromEgg);
+        EggHatchPrintMessage2(gStringVar4);
+        PlayFanfare(371);
+        gUnknown_0300481C->field_2++;
+        break;
+    case 5:
+        if (IsFanfareTaskInactive())
+            gUnknown_0300481C->field_2++;
+        break;
+    case 6:
+        if (IsFanfareTaskInactive())
+            gUnknown_0300481C->field_2++;
+        break;
+    case 7:
+        GetMonNick(&gPlayerParty[gUnknown_0300481C->eggPartyID], gStringVar1);
+        StringExpandPlaceholders(gStringVar4, gOtherText_NickHatchPrompt);
+        EggHatchPrintMessage1(gStringVar4);
+        gUnknown_0300481C->field_2++;
+        break;
+    case 8:
+        if (EggHatchUpdateWindowText())
+        {
+            MenuDrawTextWindow(22, 8, 27, 13);
+            InitYesNoMenu(22, 8, 4);
+            gUnknown_0300481C->field_2++;
+        }
+        break;
+    case 9:
+        {
+            s8 menuInput;
+            if ((menuInput = ProcessMenuInputNoWrap_()) != -2)
+            {
+                if (menuInput != -1 && menuInput != 1)
+                {
+                    u16 species;
+                    u8 gender;
+                    u32 personality;
+
+                    GetMonNick(&gPlayerParty[gUnknown_0300481C->eggPartyID], gStringVar3);
+                    species = GetMonData(&gPlayerParty[gUnknown_0300481C->eggPartyID], MON_DATA_SPECIES);
+                    gender = GetMonGender(&gPlayerParty[gUnknown_0300481C->eggPartyID]);
+                    personality = GetMonData(&gPlayerParty[gUnknown_0300481C->eggPartyID], MON_DATA_PERSONALITY, 0);
+                    DoNamingScreen(3, gStringVar3, species, gender, personality, EggHatchSetMonNickname);
+                }
+                else
+                    gUnknown_0300481C->field_2++;
+            }
+        }
+        break;
+    case 10:
+        BeginNormalPaletteFade(-1, 0, 0, 0x10, 0);
+        gUnknown_0300481C->field_2++;
+        break;
+    case 11:
+        if (!gPaletteFade.active)
+            SetMainCallback2(c2_exit_to_overworld_2_switch);
+        break;
+    }
+    RunTasks();
+    AnimateSprites();
+    BuildOamBuffer();
+    UpdatePaletteFade();
+}
+
+void SpriteCB_Egg_0(struct Sprite* sprite)
+{
+    if (++sprite->data0 > 20)
+    {
+        sprite->callback = SpriteCB_Egg_1;
+        sprite->data0 = 0;
+    }
+    else
+    {
+        sprite->data1 = (sprite->data1 + 20) & 0xFF;
+        sprite->pos2.x = Sin(sprite->data1, 1);
+        if (sprite->data0 == 15)
+        {
+            PlaySE(23);
+            StartSpriteAnim(sprite, 1);
+            CreateRandomEggShardSprite();
+        }
+    }
+}
+
+void SpriteCB_Egg_1(struct Sprite* sprite)
+{
+    if (++sprite->data2 > 30)
+    {
+        if (++sprite->data0 > 20)
+        {
+            sprite->callback = SpriteCB_Egg_2;
+            sprite->data0 = 0;
+            sprite->data2 = 0;
+        }
+        else
+        {
+            sprite->data1 = (sprite->data1 + 20) & 0xFF;
+            sprite->pos2.x = Sin(sprite->data1, 2);
+            if (sprite->data0 == 15)
+            {
+                PlaySE(23);
+                StartSpriteAnim(sprite, 2);
+            }
+        }
+    }
+}
+
+void SpriteCB_Egg_2(struct Sprite* sprite)
+{
+    if (++sprite->data2 > 30)
+    {
+        if (++sprite->data0 > 38)
+        {
+            u16 species;
+
+            sprite->callback = SpriteCB_Egg_3;
+            sprite->data0 = 0;
+            species = GetMonData(&gPlayerParty[gUnknown_0300481C->eggPartyID], MON_DATA_SPECIES);
+            gSprites[gUnknown_0300481C->pokeSpriteID].pos2.x = 0;
+            gSprites[gUnknown_0300481C->pokeSpriteID].pos2.y = gMonFrontPicCoords[species].y_offset;
+        }
+        else
+        {
+            sprite->data1 = (sprite->data1 + 20) & 0xFF;
+            sprite->pos2.x = Sin(sprite->data1, 2);
+            if (sprite->data0 == 15)
+            {
+                PlaySE(23);
+                StartSpriteAnim(sprite, 2);
+                CreateRandomEggShardSprite();
+                CreateRandomEggShardSprite();
+            }
+            if (sprite->data0 == 30)
+                PlaySE(23);
+        }
+    }
+}
+
+void SpriteCB_Egg_3(struct Sprite* sprite)
+{
+    if (++sprite->data0 > 50)
+    {
+        sprite->callback = SpriteCB_Egg_4;
+        sprite->data0 = 0;
+    }
+}
+
+void SpriteCB_Egg_4(struct Sprite* sprite)
+{
+    s16 i;
+    if (sprite->data0 == 0)
+        BeginNormalPaletteFade(-1, -1, 0, 0x10, 0xFFFF);
+    if (sprite->data0 < 4u)
+    {
+        for (i = 0; i <= 3; i++)
+            CreateRandomEggShardSprite();
+    }
+    sprite->data0++;
+    if (!gPaletteFade.active)
+    {
+        PlaySE(113);
+        sprite->invisible = 1;
+        sprite->callback = SpriteCB_Egg_5;
+        sprite->data0 = 0;
+    }
+}