Start battle factory

3 files changed, 342 insertions, 731 deletions

diff --git a/asm/battle_frontier_2.s b/asm/battle_frontier_2.s
index 1a2233a97..ebf200811 100644
--- a/asm/battle_frontier_2.s
+++ b/asm/battle_frontier_2.s
@@ -5,736 +5,9 @@
 
 	.text
 
-	thumb_func_start sub_819A44C
-sub_819A44C: @ 819A44C
-	push {r4,r5,lr}
-	adds r5, r0, 0
-	ldrb r4, [r5, 0x5]
-	lsrs r4, 4
-	movs r0, 0x65
-	bl IndexOfSpritePaletteTag
-	lsls r0, 24
-	lsls r4, 16
-	lsrs r4, 16
-	lsrs r0, 24
-	cmp r4, r0
-	bne _0819A4BA
-	adds r0, r5, 0
-	adds r0, 0x3F
-	ldrb r1, [r0]
-	movs r0, 0x10
-	ands r0, r1
-	cmp r0, 0
-	beq _0819A4B0
-	ldrh r1, [r5, 0x2E]
-	movs r2, 0x2E
-	ldrsh r0, [r5, r2]
-	cmp r0, 0
-	beq _0819A484
-	subs r0, r1, 0x1
-	strh r0, [r5, 0x2E]
-	b _0819A4C2
-_0819A484:
-	bl Random
-	lsls r0, 16
-	lsrs r0, 16
-	movs r1, 0x5
-	bl __umodsi3
-	lsls r0, 16
-	cmp r0, 0
-	bne _0819A4A6
-	adds r0, r5, 0
-	movs r1, 0
-	bl StartSpriteAnim
-	movs r0, 0x20
-	strh r0, [r5, 0x2E]
-	b _0819A4C2
-_0819A4A6:
-	adds r0, r5, 0
-	movs r1, 0x1
-	bl StartSpriteAnim
-	b _0819A4C2
-_0819A4B0:
-	adds r0, r5, 0
-	movs r1, 0x1
-	bl StartSpriteAnimIfDifferent
-	b _0819A4C2
-_0819A4BA:
-	adds r0, r5, 0
-	movs r1, 0
-	bl StartSpriteAnimIfDifferent
-_0819A4C2:
-	pop {r4,r5}
-	pop {r0}
-	bx r0
-	thumb_func_end sub_819A44C
-
-	thumb_func_start sub_819A4C8
-sub_819A4C8: @ 819A4C8
-	push {lr}
-	bl AnimateSprites
-	bl BuildOamBuffer
-	bl RunTextPrinters
-	bl UpdatePaletteFade
-	bl RunTasks
-	pop {r0}
-	bx r0
-	thumb_func_end sub_819A4C8
-
-	thumb_func_start sub_819A4E4
-sub_819A4E4: @ 819A4E4
-	push {lr}
-	bl LoadOam
-	bl ProcessSpriteCopyRequests
-	bl TransferPlttBuffer
-	pop {r0}
-	bx r0
-	thumb_func_end sub_819A4E4
-
-	thumb_func_start sub_819A4F8
-sub_819A4F8: @ 819A4F8
-	push {lr}
-	ldr r0, =gUnknown_0300127C
-	movs r1, 0
-	str r1, [r0]
-	ldr r0, =sub_819A514
-	bl SetMainCallback2
-	pop {r0}
-	bx r0
-	.pool
-	thumb_func_end sub_819A4F8
-
-	thumb_func_start sub_819A514
-sub_819A514: @ 819A514
-	push {r4,r5,lr}
-	sub sp, 0xC
-	ldr r0, =gMain
-	movs r1, 0x87
-	lsls r1, 3
-	adds r0, r1
-	ldrb r0, [r0]
-	cmp r0, 0xA
-	bls _0819A528
-	b _0819A98E
-_0819A528:
-	lsls r0, 2
-	ldr r1, =_0819A53C
-	adds r0, r1
-	ldr r0, [r0]
-	mov pc, r0
-	.pool
-	.align 2, 0
-_0819A53C:
-	.4byte _0819A568
-	.4byte _0819A5C0
-	.4byte _0819A69C
-	.4byte _0819A77C
-	.4byte _0819A7CC
-	.4byte _0819A868
-	.4byte _0819A8A4
-	.4byte _0819A8AC
-	.4byte _0819A8C4
-	.4byte _0819A8DC
-	.4byte _0819A8FC
-_0819A568:
-	ldr r4, =gUnknown_0203CE3C
-	ldr r0, [r4]
-	cmp r0, 0
-	beq _0819A578
-	bl Free
-	movs r0, 0
-	str r0, [r4]
-_0819A578:
-	movs r0, 0
-	bl SetHBlankCallback
-	movs r0, 0
-	bl SetVBlankCallback
-	movs r0, 0
-	str r0, [sp, 0x8]
-	movs r1, 0xC0
-	lsls r1, 19
-	ldr r2, =0x05006000
-	add r0, sp, 0x8
-	bl CpuSet
-	movs r0, 0
-	bl ResetBgsAndClearDma3BusyFlags
-	ldr r1, =gUnknown_08610428
-	movs r0, 0
-	movs r2, 0x3
-	bl InitBgsFromTemplates
-	ldr r0, =gUnknown_08610434
-	bl InitWindows
-	bl DeactivateAllTextPrinters
-	b _0819A8E6
-	.pool
-_0819A5C0:
-	ldr r5, =gUnknown_0203CE2C
-	movs r4, 0x88
-	lsls r4, 3
-	adds r0, r4, 0
-	bl Alloc
-	str r0, [r5]
-	ldr r5, =gUnknown_0203CE30
-	adds r0, r4, 0
-	bl AllocZeroed
-	str r0, [r5]
-	ldr r5, =gUnknown_0203CE34
-	movs r4, 0x80
-	lsls r4, 4
-	adds r0, r4, 0
-	bl Alloc
-	str r0, [r5]
-	ldr r5, =gUnknown_0203CE38
-	adds r0, r4, 0
-	bl AllocZeroed
-	str r0, [r5]
-	movs r0, 0
-	movs r1, 0
-	movs r2, 0
-	bl ChangeBgX
-	movs r0, 0
-	movs r1, 0
-	movs r2, 0
-	bl ChangeBgY
-	movs r0, 0x1
-	movs r1, 0
-	movs r2, 0
-	bl ChangeBgX
-	movs r0, 0x1
-	movs r1, 0
-	movs r2, 0
-	bl ChangeBgY
-	movs r0, 0x3
-	movs r1, 0
-	movs r2, 0
-	bl ChangeBgX
-	movs r0, 0x3
-	movs r1, 0
-	movs r2, 0
-	bl ChangeBgY
-	movs r0, 0x50
-	movs r1, 0
-	bl SetGpuReg
-	movs r0, 0x52
-	movs r1, 0
-	bl SetGpuReg
-	movs r0, 0x54
-	movs r1, 0
-	bl SetGpuReg
-	movs r0, 0x4C
-	movs r1, 0
-	bl SetGpuReg
-	movs r0, 0x40
-	movs r1, 0
-	bl SetGpuReg
-	movs r0, 0x44
-	movs r1, 0
-	bl SetGpuReg
-	movs r0, 0x42
-	movs r1, 0
-	bl SetGpuReg
-	movs r0, 0x46
-	movs r1, 0
-	bl SetGpuReg
-	movs r0, 0x48
-	movs r1, 0
-	bl SetGpuReg
-	movs r0, 0x4A
-	movs r1, 0
-	bl SetGpuReg
-	ldr r1, =gMain
-	movs r3, 0x87
-	lsls r3, 3
-	adds r1, r3
-	b _0819A8EE
-	.pool
-_0819A69C:
-	bl ResetPaletteFade
-	bl ResetSpriteData
-	bl ResetTasks
-	bl FreeAllSpritePalettes
-	ldr r0, =gFrontierFactorySelectMenu_Gfx
-	ldr r5, =gUnknown_0203CE2C
-	ldr r1, [r5]
-	movs r2, 0x88
-	lsls r2, 2
-	bl CpuSet
-	ldr r0, =gUnknown_0861033C
-	ldr r4, =gUnknown_0203CE30
-	ldr r1, [r4]
-	movs r2, 0x30
-	bl CpuSet
-	ldr r1, [r5]
-	movs r2, 0x88
-	lsls r2, 3
-	movs r0, 0x1
-	movs r3, 0
-	bl LoadBgTiles
-	ldr r1, [r4]
-	movs r0, 0x3
-	movs r2, 0x60
-	movs r3, 0
-	bl LoadBgTiles
-	ldr r0, =gFrontierFactorySelectMenu_Tilemap
-	ldr r4, =gUnknown_0203CE34
-	ldr r1, [r4]
-	movs r2, 0x80
-	lsls r2, 3
-	bl CpuSet
-	ldr r1, [r4]
-	movs r2, 0x80
-	lsls r2, 4
-	movs r0, 0x1
-	movs r3, 0
-	bl LoadBgTilemap
-	ldr r0, =gFrontierFactorySelectMenu_Pal
-	movs r1, 0
-	movs r2, 0x40
-	bl LoadPalette
-	ldr r4, =gUnknown_0861046C
-	adds r0, r4, 0
-	movs r1, 0xF0
-	movs r2, 0x8
-	bl LoadPalette
-	adds r0, r4, 0
-	movs r1, 0xE0
-	movs r2, 0xA
-	bl LoadPalette
-	ldr r0, =gUnknown_0300127C
-	ldr r1, [r0]
-	ldrb r0, [r1, 0x6]
-	cmp r0, 0x1
-	bne _0819A738
-	ldr r0, =gPlttBufferUnfaded
-	movs r2, 0xA9
-	lsls r2, 2
-	adds r1, r2
-	ldrh r1, [r1]
-	movs r3, 0xE4
-	lsls r3, 1
-	adds r0, r3
-	strh r1, [r0]
-_0819A738:
-	ldr r0, =gUnknown_0861039C
-	movs r1, 0x20
-	movs r2, 0x4
-	bl LoadPalette
-	ldr r1, =gMain
-	movs r0, 0x87
-	lsls r0, 3
-	adds r1, r0
-	b _0819A8EE
-	.pool
-_0819A77C:
-	ldr r0, =gUnknown_0203CE38
-	ldr r1, [r0]
-	movs r0, 0x3
-	bl SetBgTilemapBuffer
-	ldr r5, =gUnknown_0861023C
-	movs r4, 0x8
-	str r4, [sp]
-	str r4, [sp, 0x4]
-	movs r0, 0x3
-	adds r1, r5, 0
-	movs r2, 0xB
-	movs r3, 0x4
-	bl CopyToBgTilemapBufferRect
-	str r4, [sp]
-	str r4, [sp, 0x4]
-	movs r0, 0x3
-	adds r1, r5, 0
-	movs r2, 0x2
-	movs r3, 0x4
-	bl CopyToBgTilemapBufferRect
-	str r4, [sp]
-	str r4, [sp, 0x4]
-	movs r0, 0x3
-	adds r1, r5, 0
-	movs r2, 0x14
-	movs r3, 0x4
-	bl CopyToBgTilemapBufferRect
-	movs r0, 0x3
-	bl CopyBgTilemapBufferToVram
-	b _0819A8E6
-	.pool
-_0819A7CC:
-	ldr r0, =gUnknown_086103F4
-	bl LoadSpritePalettes
-	ldr r0, =gUnknown_086103BC
-	bl LoadSpriteSheets
-	ldr r0, =gUnknown_086103E4
-	bl LoadCompressedObjectPic
-	movs r0, 0
-	bl ShowBg
-	movs r0, 0x1
-	bl ShowBg
-	ldr r0, =sub_819A4E4
-	bl SetVBlankCallback
-	movs r0, 0x1
-	negs r0, r0
-	movs r1, 0
-	str r1, [sp]
-	movs r2, 0x10
-	movs r3, 0
-	bl BeginNormalPaletteFade
-	movs r1, 0x9A
-	lsls r1, 5
-	movs r0, 0
-	bl SetGpuReg
-	ldr r0, =gUnknown_0300127C
-	ldr r0, [r0]
-	ldrb r0, [r0, 0x6]
-	cmp r0, 0x1
-	bne _0819A854
-	movs r0, 0x58
-	movs r1, 0x98
-	movs r2, 0x20
-	movs r3, 0x60
-	bl sub_819C5D0
-	movs r0, 0x3
-	bl ShowBg
-	ldr r1, =0x00001248
-	movs r0, 0x50
-	bl SetGpuReg
-	ldr r1, =0x0000040b
-	movs r0, 0x52
-	bl SetGpuReg
-	b _0819A85A
-	.pool
-_0819A854:
-	movs r0, 0x3
-	bl HideBg
-_0819A85A:
-	ldr r1, =gMain
-	movs r3, 0x87
-	lsls r3, 3
-	adds r1, r3
-	b _0819A8EE
-	.pool
-_0819A868:
-	ldr r4, =gUnknown_0300127C
-	ldr r1, [r4]
-	ldrb r0, [r1, 0x6]
-	cmp r0, 0x1
-	bne _0819A878
-	ldr r0, =gUnknown_0203CF20
-	ldrb r0, [r0]
-	strb r0, [r1, 0x3]
-_0819A878:
-	bl sub_819A9AC
-	bl sub_819AA18
-	ldr r0, [r4]
-	ldrb r0, [r0, 0x6]
-	cmp r0, 0x1
-	bne _0819A88C
-	bl sub_819BE34
-_0819A88C:
-	ldr r1, =gMain
-	movs r0, 0x87
-	lsls r0, 3
-	adds r1, r0
-	b _0819A8EE
-	.pool
-_0819A8A4:
-	bl sub_819BA64
-	movs r0, 0x2
-	b _0819A8E2
-_0819A8AC:
-	bl sub_819BCF8
-	movs r0, 0x5
-	bl PutWindowTilemap
-	ldr r1, =gMain
-	movs r3, 0x87
-	lsls r3, 3
-	adds r1, r3
-	b _0819A8EE
-	.pool
-_0819A8C4:
-	bl sub_819B9E8
-	movs r0, 0x1
-	bl PutWindowTilemap
-	ldr r1, =gMain
-	movs r0, 0x87
-	lsls r0, 3
-	adds r1, r0
-	b _0819A8EE
-	.pool
-_0819A8DC:
-	bl sub_819B9B4
-	movs r0, 0
-_0819A8E2:
-	bl PutWindowTilemap
-_0819A8E6:
-	ldr r1, =gMain
-	movs r2, 0x87
-	lsls r2, 3
-	adds r1, r2
-_0819A8EE:
-	ldrb r0, [r1]
-	adds r0, 0x1
-	strb r0, [r1]
-	b _0819A98E
-	.pool
-_0819A8FC:
-	ldr r0, =sub_819C69C
-	movs r1, 0
-	bl CreateTask
-	ldr r2, =gUnknown_0300127C
-	ldr r1, [r2]
-	ldr r3, =0x000002a1
-	adds r1, r3
-	strb r0, [r1]
-	ldr r3, [r2]
-	ldrb r5, [r3, 0x6]
-	cmp r5, 0
-	bne _0819A954
-	ldr r4, =gTasks
-	ldr r1, =0x000002a1
-	adds r0, r3, r1
-	ldrb r1, [r0]
-	lsls r0, r1, 2
-	adds r0, r1
-	lsls r0, 3
-	adds r0, r4
-	strh r5, [r0, 0x8]
-	ldr r0, =sub_819B378
-	movs r1, 0
-	bl CreateTask
-	lsls r0, 24
-	lsrs r1, r0, 24
-	lsls r0, r1, 2
-	adds r0, r1
-	lsls r0, 3
-	adds r0, r4
-	strh r5, [r0, 0x8]
-	b _0819A988
-	.pool
-_0819A954:
-	ldr r4, =gTasks
-	ldr r2, =0x000002a1
-	adds r0, r3, r2
-	ldrb r1, [r0]
-	lsls r0, r1, 2
-	adds r0, r1
-	lsls r0, 3
-	adds r0, r4
-	movs r2, 0
-	movs r1, 0x1
-	strh r1, [r0, 0x8]
-	ldr r1, =0x000002a2
-	adds r0, r3, r1
-	strb r2, [r0]
-	ldr r0, =sub_819B124
-	movs r1, 0
-	bl CreateTask
-	lsls r0, 24
-	lsrs r1, r0, 24
-	lsls r0, r1, 2
-	adds r0, r1
-	lsls r0, 3
-	adds r0, r4
-	movs r1, 0xD
-	strh r1, [r0, 0x8]
-_0819A988:
-	ldr r0, =sub_819A4C8
-	bl SetMainCallback2
-_0819A98E:
-	add sp, 0xC
-	pop {r4,r5}
-	pop {r0}
-	bx r0
-	.pool
-	thumb_func_end sub_819A514
 
-	thumb_func_start sub_819A9AC
-sub_819A9AC: @ 819A9AC
-	push {r4,r5,lr}
-	ldr r5, =gUnknown_0300127C
-	ldr r4, [r5]
-	cmp r4, 0
-	bne _0819AA12
-	movs r0, 0xAB
-	lsls r0, 2
-	bl AllocZeroed
-	str r0, [r5]
-	strb r4, [r0, 0x3]
-	ldr r1, [r5]
-	movs r0, 0x1
-	strb r0, [r1, 0x5]
-	ldr r0, [r5]
-	strb r4, [r0, 0x6]
-	movs r2, 0
-	movs r4, 0x6C
-	movs r3, 0
-_0819A9D2:
-	ldr r0, [r5]
-	adds r1, r2, 0
-	muls r1, r4
-	adds r0, r1
-	strb r3, [r0, 0x10]
-	adds r0, r2, 0x1
-	lsls r0, 24
-	lsrs r2, r0, 24
-	cmp r2, 0x5
-	bls _0819A9D2
-	ldr r0, =gSaveBlock2Ptr
-	ldr r0, [r0]
-	ldr r1, =0x00000ca9
-	adds r0, r1
-	ldrb r1, [r0]
-	movs r0, 0x3
-	ands r0, r1
-	cmp r0, 0x2
-	beq _0819AA0C
-	movs r0, 0
-	bl sub_819B484
-	b _0819AA12
-	.pool
-_0819AA0C:
-	movs r0, 0
-	bl sub_819B63C
-_0819AA12:
-	pop {r4,r5}
-	pop {r0}
-	bx r0
-	thumb_func_end sub_819A9AC
+	
 
-	thumb_func_start sub_819AA18
-sub_819AA18: @ 819AA18
-	push {r4-r7,lr}
-	mov r7, r8
-	push {r7}
-	movs r4, 0
-	mov r8, r4
-	ldr r7, =gSprites
-_0819AA24:
-	lsls r1, r4, 3
-	adds r1, r4
-	lsls r1, 2
-	subs r1, r4
-	adds r1, 0x20
-	lsls r1, 16
-	asrs r1, 16
-	ldr r0, =gUnknown_086105D8
-	movs r2, 0x40
-	movs r3, 0x1
-	bl CreateSprite
-	ldr r6, =gUnknown_0300127C
-	ldr r2, [r6]
-	movs r5, 0x6C
-	adds r1, r4, 0
-	muls r1, r5
-	adds r2, r1
-	lsls r0, 24
-	lsrs r0, 24
-	strh r0, [r2, 0xE]
-	ldrh r1, [r2, 0xE]
-	lsls r0, r1, 4
-	adds r0, r1
-	lsls r0, 2
-	adds r0, r7
-	mov r1, r8
-	strh r1, [r0, 0x2E]
-	adds r0, r4, 0
-	bl sub_819ADAC
-	adds r0, r4, 0x1
-	lsls r0, 24
-	lsrs r4, r0, 24
-	cmp r4, 0x5
-	bls _0819AA24
-	ldr r0, [r6]
-	ldrb r1, [r0, 0x3]
-	ldr r4, =gSprites
-	muls r1, r5
-	adds r0, r1
-	ldrh r0, [r0, 0xE]
-	lsls r1, r0, 4
-	adds r1, r0
-	lsls r1, 2
-	adds r1, r4
-	ldr r0, =gUnknown_086105F0
-	movs r2, 0x20
-	ldrsh r1, [r1, r2]
-	movs r2, 0x58
-	movs r3, 0
-	bl CreateSprite
-	ldr r1, [r6]
-	movs r5, 0
-	strb r0, [r1, 0x4]
-	ldr r0, =gUnknown_08610608
-	movs r1, 0xB0
-	movs r2, 0x70
-	movs r3, 0
-	bl CreateSprite
-	ldr r1, [r6]
-	strb r0, [r1, 0x1]
-	ldr r0, =gUnknown_08610620
-	movs r1, 0xB0
-	movs r2, 0x90
-	movs r3, 0
-	bl CreateSprite
-	ldr r1, [r6]
-	strb r0, [r1, 0x2]
-	ldr r0, [r6]
-	ldrb r1, [r0, 0x1]
-	lsls r0, r1, 4
-	adds r0, r1
-	lsls r0, 2
-	adds r0, r4
-	adds r0, 0x3E
-	ldrb r1, [r0]
-	movs r2, 0x4
-	orrs r1, r2
-	strb r1, [r0]
-	ldr r0, [r6]
-	ldrb r1, [r0, 0x2]
-	lsls r0, r1, 4
-	adds r0, r1
-	lsls r0, 2
-	adds r0, r4
-	adds r0, 0x3E
-	ldrb r1, [r0]
-	orrs r1, r2
-	strb r1, [r0]
-	ldr r0, [r6]
-	ldrb r1, [r0, 0x1]
-	lsls r0, r1, 4
-	adds r0, r1
-	lsls r0, 2
-	adds r0, r4
-	adds r0, 0x28
-	strb r5, [r0]
-	ldr r0, [r6]
-	ldrb r1, [r0, 0x1]
-	lsls r0, r1, 4
-	adds r0, r1
-	lsls r0, 2
-	adds r0, r4
-	adds r0, 0x29
-	strb r5, [r0]
-	ldr r0, [r6]
-	ldrb r1, [r0, 0x2]
-	lsls r0, r1, 4
-	adds r0, r1
-	lsls r0, 2
-	adds r0, r4
-	adds r0, 0x28
-	strb r5, [r0]
-	ldr r0, [r6]
-	ldrb r1, [r0, 0x2]
-	lsls r0, r1, 4
-	adds r0, r1
-	lsls r0, 2
-	adds r0, r4
-	adds r0, 0x29
-	strb r5, [r0]
-	pop {r3}
-	mov r8, r3
-	pop {r4-r7}
-	pop {r0}
-	bx r0
-	.pool
-	thumb_func_end sub_819AA18
 
 	thumb_func_start sub_819AB40
 sub_819AB40: @ 819AB40
@@ -1059,8 +332,8 @@ _0819AD9C:
 	.pool
 	thumb_func_end sub_819ACE0
 
-	thumb_func_start sub_819ADAC
-sub_819ADAC: @ 819ADAC
+	thumb_func_start SetBallSpritePaletteNum
+SetBallSpritePaletteNum: @ 819ADAC
 	push {r4,lr}
 	lsls r0, 24
 	lsrs r4, r0, 24
@@ -1102,7 +375,7 @@ _0819ADCE:
 	pop {r0}
 	bx r0
 	.pool
-	thumb_func_end sub_819ADAC
+	thumb_func_end SetBallSpritePaletteNum
 
 	thumb_func_start sub_819AE08
 sub_819AE08: @ 819AE08
diff --git a/include/constants/battle_frontier.h b/include/constants/battle_frontier.h
index fddcdc8fe..1cd750a3d 100644
--- a/include/constants/battle_frontier.h
+++ b/include/constants/battle_frontier.h
@@ -13,6 +13,7 @@
 // Battle Frontier lvl modes.
 #define FRONTIER_LVL_50 0
 #define FRONTIER_LVL_OPEN 1
+#define FRONTIER_LVL_TENT 2
 
 // Battle Frontier battle modes.
 #define FRONTIER_MODE_SINGLES 0
diff --git a/src/battle_frontier_2.c b/src/battle_frontier_2.c
new file mode 100644
index 000000000..958aa4692
--- /dev/null
+++ b/src/battle_frontier_2.c
@@ -0,0 +1,337 @@
+#include "global.h"
+#include "sprite.h"
+#include "event_data.h"
+#include "overworld.h"
+#include "random.h"
+#include "battle_tower.h"
+#include "text.h"
+#include "palette.h"
+#include "task.h"
+#include "main.h"
+#include "malloc.h"
+#include "bg.h"
+#include "gpu_regs.h"
+#include "window.h"
+#include "decompress.h"
+#include "constants/battle_frontier.h"
+
+#define SELECTABLE_MONS_COUNT 6
+#define TAG_PAL_BALL_GREY 0x64
+#define TAG_PAL_BALL_SELECTED 0x65
+
+struct FactorySelecteableMon
+{
+    u16 unk0;
+    u16 spriteId;
+    bool8 selected;
+    u8 filler6[0x6A - 6];
+    u8 unk6A;
+};
+
+struct UnkStructTempName
+{
+    u8 menuCursorPos;
+    u8 unk1;
+    u8 unk2;
+    u8 cursorPos;
+    u8 unk4;
+    u8 unk5;
+    bool8 fromSummaryScreen;
+    u8 unk7;
+    u8 unk8;
+    u8 unk9;
+    struct FactorySelecteableMon mons[SELECTABLE_MONS_COUNT];
+    u8 filler294[0x2a1 - 0x294];
+    u8 unk2A1;
+    u8 unk2A2;
+    u8 unk2A3;
+    u16 unk2A4;
+    u16 unk2A6;
+    u16 unk2A8;
+    u16 unk2AA;
+};
+
+extern struct UnkStructTempName *gUnknown_0300127C;
+extern u8 *gUnknown_0203CE2C;
+extern u8 *gUnknown_0203CE30;
+extern u8 *gUnknown_0203CE34;
+extern u8 *gUnknown_0203CE38;
+extern struct Pokemon *gUnknown_0203CE3C;
+extern u8 gUnknown_0203CF20;
+
+// This file's functions.
+void sub_819A514(void);
+void sub_819C5D0(u16 mWin0H, u16 nWin0H, u16 mWin0V, u16 nWin0V);
+void sub_819A9AC(void);
+void sub_819AA18(void);
+void sub_819BE34(void);
+void sub_819BA64(void);
+void sub_819BCF8(void);
+void sub_819B9E8(void);
+void sub_819B9B4(void);
+void sub_819C69C(u8 taskId);
+void sub_819B378(u8 taskId);
+void sub_819B124(u8 taskId);
+void sub_819B484(u8 arg0);
+void sub_819B63C(u8 arg0);
+void SetBallSpritePaletteNum(u8 id);
+
+// Const rom data.
+extern const struct BgTemplate gUnknown_08610428[3];
+extern const struct WindowTemplate gUnknown_08610434[];
+extern const u8 gUnknown_0861033C[];
+extern const u8 gUnknown_0861023C[];
+extern const u16 gUnknown_0861046C[];
+extern const u16 gUnknown_0861039C[];
+extern const struct SpritePalette gUnknown_086103F4[];
+extern const struct SpriteSheet gUnknown_086103BC[];
+extern const struct CompressedSpriteSheet gUnknown_086103E4[];
+extern const struct SpriteTemplate gUnknown_086105D8;
+
+// gfx
+extern const u8 gFrontierFactorySelectMenu_Gfx[];
+extern const u8 gFrontierFactorySelectMenu_Tilemap[];
+extern const u16 gFrontierFactorySelectMenu_Pal[];
+
+// code
+void sub_819A44C(struct Sprite *sprite)
+{
+    if (sprite->oam.paletteNum == IndexOfSpritePaletteTag(TAG_PAL_BALL_SELECTED))
+    {
+        if (sprite->animEnded)
+        {
+            if (sprite->data[0] != 0)
+            {
+                sprite->data[0]--;
+            }
+            else if (Random() % 5 == 0)
+            {
+                StartSpriteAnim(sprite, 0);
+                sprite->data[0] = 32;
+            }
+            else
+            {
+                StartSpriteAnim(sprite, 1);
+            }
+        }
+        else
+        {
+            StartSpriteAnimIfDifferent(sprite, 1);
+        }
+    }
+    else
+    {
+        StartSpriteAnimIfDifferent(sprite, 0);
+    }
+}
+
+void sub_819A4C8(void)
+{
+    AnimateSprites();
+    BuildOamBuffer();
+    RunTextPrinters();
+    UpdatePaletteFade();
+    RunTasks();
+}
+
+void sub_819A4E4(void)
+{
+    LoadOam();
+    ProcessSpriteCopyRequests();
+    TransferPlttBuffer();
+}
+
+void sub_819A4F8(void)
+{
+    gUnknown_0300127C = NULL;
+    SetMainCallback2(sub_819A514);
+}
+
+void sub_819A514(void)
+{
+    u8 taskId;
+
+    switch (gMain.state)
+    {
+    case 0:
+        if (gUnknown_0203CE3C != NULL)
+            FREE_AND_SET_NULL(gUnknown_0203CE3C);
+        SetHBlankCallback(NULL);
+        SetVBlankCallback(NULL);
+        CpuFill32(0, (void *)VRAM, VRAM_SIZE);
+        ResetBgsAndClearDma3BusyFlags(0);
+        InitBgsFromTemplates(0, gUnknown_08610428, ARRAY_COUNT(gUnknown_08610428));
+        InitWindows(gUnknown_08610434);
+        DeactivateAllTextPrinters();
+        gMain.state++;
+        break;
+    case 1:
+        gUnknown_0203CE2C = Alloc(0x440);
+        gUnknown_0203CE30 = AllocZeroed(0x440);
+        gUnknown_0203CE34 = Alloc(0x800);
+        gUnknown_0203CE38 = AllocZeroed(0x800);
+        ChangeBgX(0, 0, 0);
+        ChangeBgY(0, 0, 0);
+        ChangeBgX(1, 0, 0);
+        ChangeBgY(1, 0, 0);
+        ChangeBgX(3, 0, 0);
+        ChangeBgY(3, 0, 0);
+        SetGpuReg(REG_OFFSET_BLDCNT, 0);
+        SetGpuReg(REG_OFFSET_BLDALPHA, 0);
+        SetGpuReg(REG_OFFSET_BLDY, 0);
+        SetGpuReg(REG_OFFSET_MOSAIC, 0);
+        SetGpuReg(REG_OFFSET_WIN0H, 0);
+        SetGpuReg(REG_OFFSET_WIN0V, 0);
+        SetGpuReg(REG_OFFSET_WIN1H, 0);
+        SetGpuReg(REG_OFFSET_WIN1V, 0);
+        SetGpuReg(REG_OFFSET_WININ, 0);
+        SetGpuReg(REG_OFFSET_WINOUT, 0);
+        gMain.state++;
+        break;
+    case 2:
+        ResetPaletteFade();
+        ResetSpriteData();
+        ResetTasks();
+        FreeAllSpritePalettes();
+        CpuCopy16(gFrontierFactorySelectMenu_Gfx, gUnknown_0203CE2C, 0x440);
+        CpuCopy16(gUnknown_0861033C, gUnknown_0203CE30, 0x60);
+        LoadBgTiles(1, gUnknown_0203CE2C, 0x440, 0);
+        LoadBgTiles(3, gUnknown_0203CE30, 0x60, 0);
+        CpuCopy16(gFrontierFactorySelectMenu_Tilemap, gUnknown_0203CE34, 0x800);
+        LoadBgTilemap(1, gUnknown_0203CE34, 0x800, 0);
+        LoadPalette(gFrontierFactorySelectMenu_Pal, 0, 0x40);
+        LoadPalette(gUnknown_0861046C, 0xF0, 8);
+        LoadPalette(gUnknown_0861046C, 0xE0, 10);
+        if (gUnknown_0300127C->fromSummaryScreen == TRUE)
+            gPlttBufferUnfaded[228] = gUnknown_0300127C->unk2A4;
+        LoadPalette(gUnknown_0861039C, 0x20, 4);
+        gMain.state++;
+        break;
+    case 3:
+        SetBgTilemapBuffer(3, gUnknown_0203CE38);
+        CopyToBgTilemapBufferRect(3, gUnknown_0861023C, 11, 4, 8, 8);
+        CopyToBgTilemapBufferRect(3, gUnknown_0861023C,  2, 4, 8, 8);
+        CopyToBgTilemapBufferRect(3, gUnknown_0861023C, 20, 4, 8, 8);
+        CopyBgTilemapBufferToVram(3);
+        gMain.state++;
+        break;
+    case 4:
+        LoadSpritePalettes(gUnknown_086103F4);
+        LoadSpriteSheets(gUnknown_086103BC);
+        LoadCompressedObjectPic(gUnknown_086103E4);
+        ShowBg(0);
+        ShowBg(1);
+        SetVBlankCallback(sub_819A4E4);
+        BeginNormalPaletteFade(0xFFFFFFFF, 0, 0x10, 0, 0);
+        SetGpuReg(REG_OFFSET_DISPCNT, DISPCNT_OBJ_ON | DISPCNT_BG0_ON | DISPCNT_BG1_ON | DISPCNT_OBJ_1D_MAP);
+        if (gUnknown_0300127C->fromSummaryScreen == TRUE)
+        {
+            sub_819C5D0(88, 152, 32, 96);
+            ShowBg(3);
+            SetGpuReg(REG_OFFSET_BLDCNT, BLDCNT_TGT1_BG3 | BLDCNT_EFFECT_BLEND | BLDCNT_TGT2_BG1 | BLDCNT_TGT2_OBJ);
+            SetGpuReg(REG_OFFSET_BLDALPHA, BLDALPHA_BLEND(11, 4));
+        }
+        else
+        {
+            HideBg(3);
+        }
+        gMain.state++;
+        break;
+    case 5:
+        if (gUnknown_0300127C->fromSummaryScreen == TRUE)
+            gUnknown_0300127C->cursorPos = gUnknown_0203CF20;
+        sub_819A9AC();
+        sub_819AA18();
+        if (gUnknown_0300127C->fromSummaryScreen == TRUE)
+            sub_819BE34();
+        gMain.state++;
+        break;
+    case 6:
+        sub_819BA64();
+        PutWindowTilemap(2);
+        gMain.state++;
+        break;
+    case 7:
+        sub_819BCF8();
+        PutWindowTilemap(5);
+        gMain.state++;
+        break;
+    case 8:
+        sub_819B9E8();
+        PutWindowTilemap(1);
+        gMain.state++;
+        break;
+    case 9:
+        sub_819B9B4();
+        PutWindowTilemap(0);
+        gMain.state++;
+        break;
+    case 10:
+        gUnknown_0300127C->unk2A1 = CreateTask(sub_819C69C, 0);
+        if (!gUnknown_0300127C->fromSummaryScreen)
+        {
+            gTasks[gUnknown_0300127C->unk2A1].data[0] = 0;
+            taskId = CreateTask(sub_819B378, 0);
+            gTasks[taskId].data[0] = 0;
+        }
+        else
+        {
+            gTasks[gUnknown_0300127C->unk2A1].data[0] = 1;
+            gUnknown_0300127C->unk2A2 = 0;
+            taskId = CreateTask(sub_819B124, 0);
+            gTasks[taskId].data[0] = 13;
+        }
+        SetMainCallback2(sub_819A4C8);
+        break;
+    }
+}
+
+void sub_819A9AC(void)
+{
+    u8 i;
+
+    if (gUnknown_0300127C != NULL)
+        return;
+
+    gUnknown_0300127C = AllocZeroed(sizeof(*gUnknown_0300127C));
+    gUnknown_0300127C->cursorPos = 0;
+    gUnknown_0300127C->unk5 = 1;
+    gUnknown_0300127C->fromSummaryScreen = FALSE;
+    for (i = 0; i < SELECTABLE_MONS_COUNT; i++)
+        gUnknown_0300127C->mons[i].selected = FALSE;
+
+    if (gSaveBlock2Ptr->frontier.lvlMode != FRONTIER_LVL_TENT)
+        sub_819B484(0);
+    else
+        sub_819B63C(0);
+}
+
+extern const struct SpriteTemplate gUnknown_086105F0;
+extern const struct SpriteTemplate gUnknown_08610608;
+extern const struct SpriteTemplate gUnknown_08610620;
+
+void sub_819AA18(void)
+{
+    u8 i, cursorPos;
+    s16 x;
+
+    for (i = 0; i < SELECTABLE_MONS_COUNT; i++)
+    {
+        gUnknown_0300127C->mons[i].spriteId = CreateSprite(&gUnknown_086105D8, (35 * i) + 32, 64, 1);
+        gSprites[gUnknown_0300127C->mons[i].spriteId].data[0] = 0;
+        SetBallSpritePaletteNum(i);
+    }
+    cursorPos = gUnknown_0300127C->cursorPos;
+    x = gSprites[gUnknown_0300127C->mons[cursorPos].spriteId].pos1.x;
+    gUnknown_0300127C->unk4 = CreateSprite(&gUnknown_086105F0, x, 88, 0);
+    gUnknown_0300127C->unk1 = CreateSprite(&gUnknown_08610608, 176, 112, 0);
+    gUnknown_0300127C->unk2 = CreateSprite(&gUnknown_08610620, 176, 144, 0);
+
+    gSprites[gUnknown_0300127C->unk1].invisible = 1;
+    gSprites[gUnknown_0300127C->unk2].invisible = 1;
+
+    gSprites[gUnknown_0300127C->unk1].centerToCornerVecX = 0;
+    gSprites[gUnknown_0300127C->unk1].centerToCornerVecY = 0;
+    gSprites[gUnknown_0300127C->unk2].centerToCornerVecX = 0;
+    gSprites[gUnknown_0300127C->unk2].centerToCornerVecY = 0;
+}