more of pokemon3 decompiled

27 files changed, 563 insertions, 1080 deletions

diff --git a/asm/battle_2.s b/asm/battle_2.s
index b15b67cdd..803533525 100644
--- a/asm/battle_2.s
+++ b/asm/battle_2.s
@@ -95,7 +95,7 @@ InitBattle: @ 80367D4
 	ands r0, r1
 	cmp r0, 0
 	beq _08036870
-	ldr r0, =gUnknown_02038BCE
+	ldr r0, =gPartnerTrainerId
 	ldrh r1, [r0]
 	ldr r0, =0x00000c03
 	cmp r1, r0
@@ -1537,12 +1537,12 @@ _08037530:
 	adds r0, 0x40
 	ldr r4, =gTrainerBattleOpponent_A
 	ldrh r1, [r4]
-	bl sub_8162E20
+	bl GetFrontierTrainerName
 	adds r0, r6, 0
 	adds r0, 0x5C
 	ldr r5, =gTrainerBattleOpponent_B
 	ldrh r1, [r5]
-	bl sub_8162E20
+	bl GetFrontierTrainerName
 	ldrh r1, [r4]
 	mov r0, sp
 	bl sub_8165B88
diff --git a/asm/battle_4.s b/asm/battle_4.s
index d3046e74f..03ceae49a 100644
--- a/asm/battle_4.s
+++ b/asm/battle_4.s
@@ -8717,7 +8717,7 @@ _0804ACE2:
 	ands r0, r1
 	cmp r0, 0
 	beq _0804AD48
-	ldr r0, =gUnknown_02038BCE
+	ldr r0, =gPartnerTrainerId
 	ldrh r1, [r0]
 	ldr r0, =0x00000c03
 	cmp r1, r0
diff --git a/asm/battle_anim_80FE840.s b/asm/battle_anim_80FE840.s
index 7dff7335a..c7a493410 100644
--- a/asm/battle_anim_80FE840.s
+++ b/asm/battle_anim_80FE840.s
@@ -50455,7 +50455,7 @@ battle_intro_launch: @ 81181D4
 	ands r0, r1
 	cmp r0, 0
 	beq _08118208
-	ldr r0, =gUnknown_02038BCE
+	ldr r0, =gPartnerTrainerId
 	ldrh r1, [r0]
 	ldr r0, =0x00000c03
 	cmp r1, r0
diff --git a/asm/battle_controller_player.s b/asm/battle_controller_player.s
index 4678c8e79..b3680e75c 100644
--- a/asm/battle_controller_player.s
+++ b/asm/battle_controller_player.s
@@ -7364,7 +7364,7 @@ _0805B5E0:
 	ands r0, r1
 	cmp r0, 0
 	beq _0805B618
-	ldr r0, =gUnknown_02038BCE
+	ldr r0, =gPartnerTrainerId
 	ldrh r1, [r0]
 	ldr r0, =0x00000c03
 	cmp r1, r0
@@ -7413,7 +7413,7 @@ _0805B656:
 	bne _0805B664
 	b _0805B794
 _0805B664:
-	ldr r0, =gUnknown_02038BCE
+	ldr r0, =gPartnerTrainerId
 	ldrh r1, [r0]
 	ldr r0, =0x00000c03
 	cmp r1, r0
diff --git a/asm/battle_controller_player_partner.s b/asm/battle_controller_player_partner.s
index 668d6fcda..a0c9c6360 100644
--- a/asm/battle_controller_player_partner.s
+++ b/asm/battle_controller_player_partner.s
@@ -4174,7 +4174,7 @@ sub_81BD37C: @ 81BD37C
 	mov r7, r9
 	mov r6, r8
 	push {r6,r7}
-	ldr r2, =gUnknown_02038BCE
+	ldr r2, =gPartnerTrainerId
 	ldrh r1, [r2]
 	ldr r0, =0x00000c03
 	cmp r1, r0
@@ -4205,7 +4205,7 @@ _081BD3BE:
 	lsls r1, 15
 	adds r0, r1
 	lsrs r7, r0, 16
-	ldr r0, =gUnknown_02038BCE
+	ldr r0, =gPartnerTrainerId
 	ldrh r1, [r0]
 	ldr r0, =0x00000c03
 	cmp r1, r0
@@ -5823,7 +5823,7 @@ sub_81BE10C: @ 81BE10C
 	bl AllocSpritePalette
 	lsls r0, 24
 	lsrs r4, r0, 24
-	ldr r2, =gUnknown_02038BCE
+	ldr r2, =gPartnerTrainerId
 	ldrh r1, [r2]
 	ldr r0, =0x00000c03
 	cmp r1, r0
diff --git a/asm/battle_message.s b/asm/battle_message.s
index d33dc3b48..dec210b25 100644
--- a/asm/battle_message.s
+++ b/asm/battle_message.s
@@ -2237,11 +2237,11 @@ _0814F584:
 	b _0814F5C0
 	.pool
 _0814F594:
-	ldr r0, =gUnknown_02038BCE
+	ldr r0, =gPartnerTrainerId
 _0814F596:
 	ldrh r0, [r0]
 _0814F598:
-	bl sub_8162BD8
+	bl GetFrontierOpponentClass
 _0814F59C:
 	lsls r0, 24
 	lsrs r0, 24
@@ -2254,12 +2254,12 @@ _0814F5A2:
 	b _0814F5C0
 	.pool
 _0814F5B4:
-	ldr r0, =gUnknown_02038BCE
+	ldr r0, =gPartnerTrainerId
 _0814F5B6:
 	ldrh r1, [r0]
 _0814F5B8:
 	mov r0, sp
-	bl sub_8162E20
+	bl GetFrontierTrainerName
 _0814F5BE:
 	mov r4, sp
 _0814F5C0:
diff --git a/asm/battle_setup.s b/asm/battle_setup.s
index 43f30e0ec..bbe852f9b 100644
--- a/asm/battle_setup.s
+++ b/asm/battle_setup.s
@@ -75,7 +75,7 @@ task_add_01_battle_start: @ 80B065C
 	adds r1, r2
 	strh r4, [r1, 0xA]
 	adds r0, r5, 0
-	bl PlayNewMapMusic__default_for_battle
+	bl PlayMapChosenOrBattleBGM
 	pop {r4,r5}
 	pop {r0}
 	bx r0
@@ -1359,7 +1359,7 @@ sub_80B1158: @ 80B1158
 	movs r3, 0
 	bl sub_80F9244
 	bl ResetTasks
-	bl sub_806E64C
+	bl PlayBattleBGM
 	ldr r0, =sub_80B11A8
 	bl SetMainCallback2
 	movs r0, 0
diff --git a/asm/cable_club.s b/asm/cable_club.s
index 156fac66c..6e29bde58 100644
--- a/asm/cable_club.s
+++ b/asm/cable_club.s
@@ -1855,13 +1855,13 @@ _080B3354:
 	cmp r0, 0
 	beq _080B3370
 	ldr r0, =0x000001dd
-	bl PlayNewMapMusic__default_for_battle
+	bl PlayMapChosenOrBattleBGM
 	b _080B3378
 	.pool
 _080B3370:
 	movs r0, 0xEE
 	lsls r0, 1
-	bl PlayNewMapMusic__default_for_battle
+	bl PlayMapChosenOrBattleBGM
 _080B3378:
 	ldr r0, =gSpecialVar_0x8004
 	ldrh r0, [r0]
@@ -2025,13 +2025,13 @@ _080B34DE:
 	cmp r0, 0
 	beq _080B34FC
 	ldr r0, =0x000001dd
-	bl PlayNewMapMusic__default_for_battle
+	bl PlayMapChosenOrBattleBGM
 	b _080B3504
 	.pool
 _080B34FC:
 	movs r0, 0xEE
 	lsls r0, 1
-	bl PlayNewMapMusic__default_for_battle
+	bl PlayMapChosenOrBattleBGM
 _080B3504:
 	ldr r1, =gLinkPlayers
 	ldr r0, =0x00002211
diff --git a/asm/link.s b/asm/link.s
index 1fd881b99..42f58b67f 100644
--- a/asm/link.s
+++ b/asm/link.s
@@ -21076,7 +21076,7 @@ sub_8014210: @ 8014210
 	str r0, [r1, 0x8]
 	ldr r0, =gBattleTypeFlags
 	str r6, [r0]
-	bl sub_806E64C
+	bl PlayBattleBGM
 	pop {r4-r6}
 	pop {r0}
 	bx r0
diff --git a/asm/pokeblock_feed.s b/asm/pokeblock_feed.s
index 8e05da5e3..a38379935 100644
--- a/asm/pokeblock_feed.s
+++ b/asm/pokeblock_feed.s
@@ -889,7 +889,7 @@ sub_817A358: @ 817A358
 	movs r1, 0x1
 	strb r1, [r0]
 	adds r0, r4, 0
-	bl sub_806E840
+	bl IsPokeSpriteNotFlipped
 	lsls r0, 24
 	cmp r0, 0
 	bne _0817A402
diff --git a/asm/pokemon_3.s b/asm/pokemon_3.s
index bb1edc48d..c3c7aeab8 100644
--- a/asm/pokemon_3.s
+++ b/asm/pokemon_3.s
@@ -5,1006 +5,6 @@
 
 	.text
 
-
-
-	thumb_func_start song_id_for_battle
-song_id_for_battle: @ 806E42C
-	push {lr}
-	ldr r0, =gBattleTypeFlags
-	ldr r1, [r0]
-	movs r0, 0x80
-	lsls r0, 5
-	ands r0, r1
-	cmp r0, 0
-	beq _0806E448
-	movs r0, 0xF0
-	lsls r0, 1
-	b _0806E646
-	.pool
-_0806E448:
-	movs r0, 0x80
-	lsls r0, 7
-	ands r0, r1
-	cmp r0, 0
-	beq _0806E45C
-	ldr r0, =0x000001df
-	b _0806E646
-	.pool
-_0806E45C:
-	ldr r0, =0x02000002
-	ands r0, r1
-	cmp r0, 0
-	beq _0806E466
-	b _0806E63C
-_0806E466:
-	movs r0, 0x8
-	ands r0, r1
-	cmp r0, 0
-	bne _0806E470
-	b _0806E642
-_0806E470:
-	ldr r0, =0x003f0100
-	ands r0, r1
-	cmp r0, 0
-	beq _0806E494
-	ldr r0, =gTrainerBattleOpponent_A
-	ldrh r0, [r0]
-	bl sub_8162BD8
-	lsls r0, 24
-	lsrs r0, 24
-	b _0806E4B2
-	.pool
-_0806E494:
-	movs r0, 0x80
-	lsls r0, 19
-	ands r1, r0
-	cmp r1, 0
-	beq _0806E4A2
-	movs r0, 0xA
-	b _0806E4B2
-_0806E4A2:
-	ldr r2, =gTrainers
-	ldr r0, =gTrainerBattleOpponent_A
-	ldrh r1, [r0]
-	lsls r0, r1, 2
-	adds r0, r1
-	lsls r0, 3
-	adds r0, r2
-	ldrb r0, [r0, 0x1]
-_0806E4B2:
-	subs r0, 0x3
-	cmp r0, 0x3D
-	bls _0806E4BA
-	b _0806E63C
-_0806E4BA:
-	lsls r0, 2
-	ldr r1, =_0806E4D0
-	adds r0, r1
-	ldr r0, [r0]
-	mov pc, r0
-	.pool
-	.align 2, 0
-_0806E4D0:
-	.4byte _0806E5D0
-	.4byte _0806E63C
-	.4byte _0806E63C
-	.4byte _0806E63C
-	.4byte _0806E63C
-	.4byte _0806E63C
-	.4byte _0806E5D0
-	.4byte _0806E63C
-	.4byte _0806E5D0
-	.4byte _0806E63C
-	.4byte _0806E5C8
-	.4byte _0806E63C
-	.4byte _0806E63C
-	.4byte _0806E63C
-	.4byte _0806E63C
-	.4byte _0806E63C
-	.4byte _0806E63C
-	.4byte _0806E63C
-	.4byte _0806E63C
-	.4byte _0806E63C
-	.4byte _0806E63C
-	.4byte _0806E63C
-	.4byte _0806E63C
-	.4byte _0806E63C
-	.4byte _0806E63C
-	.4byte _0806E63C
-	.4byte _0806E63C
-	.4byte _0806E63C
-	.4byte _0806E62C
-	.4byte _0806E5D8
-	.4byte _0806E63C
-	.4byte _0806E63C
-	.4byte _0806E63C
-	.4byte _0806E63C
-	.4byte _0806E63C
-	.4byte _0806E5E0
-	.4byte _0806E63C
-	.4byte _0806E63C
-	.4byte _0806E63C
-	.4byte _0806E63C
-	.4byte _0806E63C
-	.4byte _0806E63C
-	.4byte _0806E63C
-	.4byte _0806E63C
-	.4byte _0806E63C
-	.4byte _0806E63C
-	.4byte _0806E5D0
-	.4byte _0806E5E6
-	.4byte _0806E63C
-	.4byte _0806E63C
-	.4byte _0806E5C8
-	.4byte _0806E63C
-	.4byte _0806E63C
-	.4byte _0806E63C
-	.4byte _0806E63C
-	.4byte _0806E632
-	.4byte _0806E632
-	.4byte _0806E632
-	.4byte _0806E632
-	.4byte _0806E632
-	.4byte _0806E632
-	.4byte _0806E632
-_0806E5C8:
-	ldr r0, =0x000001e3
-	b _0806E646
-	.pool
-_0806E5D0:
-	ldr r0, =0x000001db
-	b _0806E646
-	.pool
-_0806E5D8:
-	ldr r0, =0x000001dd
-	b _0806E646
-	.pool
-_0806E5E0:
-	movs r0, 0xEF
-	lsls r0, 1
-	b _0806E646
-_0806E5E6:
-	ldr r0, =gBattleTypeFlags
-	ldr r0, [r0]
-	ldr r1, =0x003f0100
-	ands r0, r1
-	cmp r0, 0
-	beq _0806E604
-_0806E5F2:
-	ldr r0, =0x000001e1
-	b _0806E646
-	.pool
-_0806E604:
-	ldr r0, =gTrainerBattleOpponent_A
-	ldrh r1, [r0]
-	lsls r0, r1, 2
-	adds r0, r1
-	lsls r0, 3
-	ldr r1, =gTrainers + 0x4 @ name offset
-	adds r0, r1
-	ldr r1, =gUnknown_085CCB98
-	bl StringCompare
-	cmp r0, 0
-	beq _0806E63C
-	b _0806E5F2
-	.pool
-_0806E62C:
-	movs r0, 0xF1
-	lsls r0, 1
-	b _0806E646
-_0806E632:
-	ldr r0, =0x000001d7
-	b _0806E646
-	.pool
-_0806E63C:
-	movs r0, 0xEE
-	lsls r0, 1
-	b _0806E646
-_0806E642:
-	movs r0, 0xED
-	lsls r0, 1
-_0806E646:
-	pop {r1}
-	bx r1
-	thumb_func_end song_id_for_battle
-
-	thumb_func_start sub_806E64C
-sub_806E64C: @ 806E64C
-	push {lr}
-	bl ResetMapMusic
-	bl m4aMPlayAllStop
-	bl song_id_for_battle
-	lsls r0, 16
-	lsrs r0, 16
-	bl PlayBGM
-	pop {r0}
-	bx r0
-	thumb_func_end sub_806E64C
-
-	thumb_func_start PlayNewMapMusic__default_for_battle
-PlayNewMapMusic__default_for_battle: @ 806E668
-	push {r4,lr}
-	lsls r0, 16
-	lsrs r4, r0, 16
-	bl ResetMapMusic
-	bl m4aMPlayAllStop
-	cmp r4, 0
-	beq _0806E682
-	adds r0, r4, 0
-	bl PlayNewMapMusic
-	b _0806E68E
-_0806E682:
-	bl song_id_for_battle
-	lsls r0, 16
-	lsrs r0, 16
-	bl PlayNewMapMusic
-_0806E68E:
-	pop {r4}
-	pop {r0}
-	bx r0
-	thumb_func_end PlayNewMapMusic__default_for_battle
-
-	thumb_func_start sub_806E694
-sub_806E694: @ 806E694
-	push {r4,lr}
-	adds r4, r0, 0
-	lsls r4, 16
-	lsrs r4, 16
-	bl ResetMapMusic
-	bl m4aMPlayAllStop
-	ldr r0, =sub_806E6CC
-	movs r1, 0
-	bl CreateTask
-	lsls r0, 24
-	lsrs r0, 24
-	ldr r2, =gTasks
-	lsls r1, r0, 2
-	adds r1, r0
-	lsls r1, 3
-	adds r1, r2
-	strh r4, [r1, 0x8]
-	pop {r4}
-	pop {r0}
-	bx r0
-	.pool
-	thumb_func_end sub_806E694
-
-	thumb_func_start sub_806E6CC
-sub_806E6CC: @ 806E6CC
-	push {r4,lr}
-	lsls r0, 24
-	lsrs r4, r0, 24
-	ldr r1, =gTasks
-	lsls r0, r4, 2
-	adds r0, r4
-	lsls r0, 3
-	adds r1, r0, r1
-	movs r2, 0x8
-	ldrsh r0, [r1, r2]
-	cmp r0, 0
-	beq _0806E6F0
-	ldrh r0, [r1, 0x8]
-	bl PlayNewMapMusic
-	b _0806E6FC
-	.pool
-_0806E6F0:
-	bl song_id_for_battle
-	lsls r0, 16
-	lsrs r0, 16
-	bl PlayNewMapMusic
-_0806E6FC:
-	adds r0, r4, 0
-	bl DestroyTask
-	pop {r4}
-	pop {r0}
-	bx r0
-	thumb_func_end sub_806E6CC
-
-	thumb_func_start pokemon_get_pal
-pokemon_get_pal: @ 806E708
-	push {r4-r6,lr}
-	adds r5, r0, 0
-	movs r1, 0x41
-	movs r2, 0
-	bl GetMonData
-	adds r4, r0, 0
-	lsls r4, 16
-	lsrs r4, 16
-	adds r0, r5, 0
-	movs r1, 0x1
-	movs r2, 0
-	bl GetMonData
-	adds r6, r0, 0
-	adds r0, r5, 0
-	movs r1, 0
-	movs r2, 0
-	bl GetMonData
-	adds r2, r0, 0
-	adds r0, r4, 0
-	adds r1, r6, 0
-	bl species_and_otid_get_pal
-	pop {r4-r6}
-	pop {r1}
-	bx r1
-	thumb_func_end pokemon_get_pal
-
-	thumb_func_start species_and_otid_get_pal
-species_and_otid_get_pal: @ 806E740
-	push {r4,r5,lr}
-	adds r3, r2, 0
-	lsls r0, 16
-	lsrs r4, r0, 16
-	adds r5, r4, 0
-	movs r0, 0xCE
-	lsls r0, 1
-	cmp r4, r0
-	bls _0806E75C
-	ldr r0, =gMonPaletteTable
-	ldr r0, [r0]
-	b _0806E788
-	.pool
-_0806E75C:
-	lsrs r0, r1, 16
-	ldr r2, =0x0000ffff
-	ands r1, r2
-	eors r0, r1
-	lsrs r1, r3, 16
-	eors r0, r1
-	ands r3, r2
-	eors r0, r3
-	cmp r0, 0x7
-	bls _0806E780
-	ldr r0, =gMonPaletteTable
-	lsls r1, r4, 3
-	b _0806E784
-	.pool
-_0806E780:
-	ldr r0, =gMonShinyPaletteTable
-	lsls r1, r5, 3
-_0806E784:
-	adds r1, r0
-	ldr r0, [r1]
-_0806E788:
-	pop {r4,r5}
-	pop {r1}
-	bx r1
-	.pool
-	thumb_func_end species_and_otid_get_pal
-
-	thumb_func_start sub_806E794
-sub_806E794: @ 806E794
-	push {r4-r6,lr}
-	adds r5, r0, 0
-	movs r1, 0x41
-	movs r2, 0
-	bl GetMonData
-	adds r4, r0, 0
-	lsls r4, 16
-	lsrs r4, 16
-	adds r0, r5, 0
-	movs r1, 0x1
-	movs r2, 0
-	bl GetMonData
-	adds r6, r0, 0
-	adds r0, r5, 0
-	movs r1, 0
-	movs r2, 0
-	bl GetMonData
-	adds r2, r0, 0
-	adds r0, r4, 0
-	adds r1, r6, 0
-	bl sub_806E7CC
-	pop {r4-r6}
-	pop {r1}
-	bx r1
-	thumb_func_end sub_806E794
-
-	thumb_func_start sub_806E7CC
-sub_806E7CC: @ 806E7CC
-	push {r4,lr}
-	lsls r0, 16
-	lsrs r4, r0, 16
-	lsrs r0, r1, 16
-	ldr r3, =0x0000ffff
-	ands r1, r3
-	eors r0, r1
-	lsrs r1, r2, 16
-	eors r0, r1
-	ands r2, r3
-	eors r0, r2
-	cmp r0, 0x7
-	bls _0806E7F4
-	lsls r0, r4, 3
-	ldr r1, =gMonPaletteTable
-	b _0806E7F8
-	.pool
-_0806E7F4:
-	lsls r0, r4, 3
-	ldr r1, =gMonShinyPaletteTable
-_0806E7F8:
-	adds r0, r1
-	pop {r4}
-	pop {r1}
-	bx r1
-	.pool
-	thumb_func_end sub_806E7CC
-
-	thumb_func_start IsHMMove2
-IsHMMove2: @ 806E804
-	push {r4,lr}
-	lsls r0, 16
-	lsrs r3, r0, 16
-	ldr r2, =gHMMoves
-	ldrh r0, [r2]
-	ldr r1, =0x0000ffff
-	cmp r0, r1
-	beq _0806E836
-	adds r4, r1, 0
-	adds r1, r2, 0
-_0806E818:
-	ldrh r0, [r2]
-	adds r1, 0x2
-	adds r2, 0x2
-	cmp r0, r3
-	bne _0806E830
-	movs r0, 0x1
-	b _0806E838
-	.pool
-_0806E830:
-	ldrh r0, [r1]
-	cmp r0, r4
-	bne _0806E818
-_0806E836:
-	movs r0, 0
-_0806E838:
-	pop {r4}
-	pop {r1}
-	bx r1
-	thumb_func_end IsHMMove2
-
-	thumb_func_start sub_806E840
-sub_806E840: @ 806E840
-	lsls r0, 16
-	lsrs r0, 16
-	ldr r2, =gBaseStats
-	lsls r1, r0, 3
-	subs r1, r0
-	lsls r1, 2
-	adds r1, r2
-	ldrb r0, [r1, 0x19]
-	lsrs r0, 7
-	bx lr
-	.pool
-	thumb_func_end sub_806E840
-
-	thumb_func_start GetMonFlavourRelation
-GetMonFlavourRelation: @ 806E858
-	push {r4,lr}
-	lsls r4, r1, 24
-	lsrs r4, 24
-	bl GetNature
-	lsls r0, 24
-	lsrs r0, 24
-	ldr r2, =gPokeblockFlavorCompatibilityTable
-	lsls r1, r0, 2
-	adds r1, r0
-	adds r1, r4
-	adds r1, r2
-	movs r0, 0
-	ldrsb r0, [r1, r0]
-	pop {r4}
-	pop {r1}
-	bx r1
-	.pool
-	thumb_func_end GetMonFlavourRelation
-
-	thumb_func_start GetFlavourRelationByPersonality
-GetFlavourRelationByPersonality: @ 806E880
-	push {r4,lr}
-	lsls r4, r1, 24
-	lsrs r4, 24
-	bl GetNatureFromPersonality
-	lsls r0, 24
-	lsrs r0, 24
-	ldr r2, =gPokeblockFlavorCompatibilityTable
-	lsls r1, r0, 2
-	adds r1, r0
-	adds r1, r4
-	adds r1, r2
-	movs r0, 0
-	ldrsb r0, [r1, r0]
-	pop {r4}
-	pop {r1}
-	bx r1
-	.pool
-	thumb_func_end GetFlavourRelationByPersonality
-
-	thumb_func_start IsTradedMon
-IsTradedMon: @ 806E8A8
-	push {r4,lr}
-	sub sp, 0x8
-	adds r4, r0, 0
-	movs r1, 0x7
-	mov r2, sp
-	bl GetMonData
-	adds r0, r4, 0
-	movs r1, 0x1
-	movs r2, 0
-	bl GetMonData
-	mov r1, sp
-	bl IsOtherTrainer
-	lsls r0, 24
-	lsrs r0, 24
-	add sp, 0x8
-	pop {r4}
-	pop {r1}
-	bx r1
-	thumb_func_end IsTradedMon
-
-	thumb_func_start IsOtherTrainer
-IsOtherTrainer: @ 806E8D4
-	push {r4,r5,lr}
-	adds r5, r1, 0
-	ldr r1, =gSaveBlock2Ptr
-	ldr r3, [r1]
-	ldrb r2, [r3, 0xA]
-	ldrb r1, [r3, 0xB]
-	lsls r1, 8
-	orrs r2, r1
-	ldrb r1, [r3, 0xC]
-	lsls r1, 16
-	orrs r2, r1
-	ldrb r1, [r3, 0xD]
-	lsls r1, 24
-	orrs r2, r1
-	cmp r0, r2
-	bne _0806E91C
-	movs r4, 0
-	ldrb r0, [r5]
-	cmp r0, 0xFF
-	beq _0806E912
-	adds r2, r5, 0
-_0806E8FE:
-	adds r1, r3, r4
-	ldrb r0, [r2]
-	ldrb r1, [r1]
-	cmp r0, r1
-	bne _0806E91C
-	adds r2, 0x1
-	adds r4, 0x1
-	ldrb r0, [r2]
-	cmp r0, 0xFF
-	bne _0806E8FE
-_0806E912:
-	movs r0, 0
-	b _0806E91E
-	.pool
-_0806E91C:
-	movs r0, 0x1
-_0806E91E:
-	pop {r4,r5}
-	pop {r1}
-	bx r1
-	thumb_func_end IsOtherTrainer
-
-	thumb_func_start MonRestorePP
-MonRestorePP: @ 806E924
-	push {lr}
-	bl BoxMonRestorePP
-	pop {r0}
-	bx r0
-	thumb_func_end MonRestorePP
-
-	thumb_func_start BoxMonRestorePP
-BoxMonRestorePP: @ 806E930
-	push {r4-r6,lr}
-	sub sp, 0x4
-	adds r5, r0, 0
-	movs r6, 0
-_0806E938:
-	adds r4, r6, 0
-	adds r4, 0xD
-	adds r0, r5, 0
-	adds r1, r4, 0
-	movs r2, 0
-	bl GetBoxMonData
-	cmp r0, 0
-	beq _0806E984
-	adds r0, r5, 0
-	adds r1, r4, 0
-	movs r2, 0
-	bl GetBoxMonData
-	adds r4, r0, 0
-	lsls r4, 16
-	lsrs r4, 16
-	adds r0, r5, 0
-	movs r1, 0x15
-	movs r2, 0
-	bl GetBoxMonData
-	adds r1, r0, 0
-	lsls r1, 24
-	lsrs r1, 24
-	lsls r2, r6, 24
-	lsrs r2, 24
-	adds r0, r4, 0
-	bl CalculatePPWithBonus
-	mov r1, sp
-	strb r0, [r1]
-	adds r1, r6, 0
-	adds r1, 0x11
-	adds r0, r5, 0
-	mov r2, sp
-	bl SetBoxMonData
-_0806E984:
-	adds r6, 0x1
-	cmp r6, 0x3
-	ble _0806E938
-	add sp, 0x4
-	pop {r4-r6}
-	pop {r0}
-	bx r0
-	thumb_func_end BoxMonRestorePP
-
-	thumb_func_start sub_806E994
-sub_806E994: @ 806E994
-	push {r4,r5,lr}
-	ldr r2, =gLastUsedAbility
-	ldr r5, =gBattleStruct
-	ldr r1, [r5]
-	adds r0, r1, 0
-	adds r0, 0xB0
-	ldrb r0, [r0]
-	strb r0, [r2]
-	ldr r4, =gBattleTextBuff1
-	movs r0, 0xFD
-	strb r0, [r4]
-	movs r0, 0x4
-	strb r0, [r4, 0x1]
-	adds r1, 0x49
-	ldrb r0, [r1]
-	strb r0, [r4, 0x2]
-	movs r0, 0xFF
-	strb r0, [r4, 0x4]
-	ldrb r0, [r1]
-	bl GetBankSide
-	lsls r0, 24
-	cmp r0, 0
-	bne _0806E9E8
-	ldr r1, =gBattlePartyID
-	ldr r0, [r5]
-	adds r0, 0x49
-	ldrb r0, [r0]
-	lsls r0, 1
-	adds r0, r1
-	ldrb r0, [r0]
-	bl pokemon_order_func
-	b _0806E9F6
-	.pool
-_0806E9E8:
-	ldr r1, =gBattlePartyID
-	ldr r0, [r5]
-	adds r0, 0x49
-	ldrb r0, [r0]
-	lsls r0, 1
-	adds r0, r1
-	ldrh r0, [r0]
-_0806E9F6:
-	strb r0, [r4, 0x3]
-	ldr r4, =gBattleTextBuff2
-	movs r0, 0xFD
-	strb r0, [r4]
-	movs r0, 0x4
-	strb r0, [r4, 0x1]
-	ldr r1, =gBankInMenu
-	ldrb r0, [r1]
-	strb r0, [r4, 0x2]
-	ldr r2, =gBattlePartyID
-	ldrb r0, [r1]
-	lsls r0, 1
-	adds r0, r2
-	ldrb r0, [r0]
-	bl pokemon_order_func
-	strb r0, [r4, 0x3]
-	movs r0, 0xFF
-	strb r0, [r4, 0x4]
-	ldr r0, =gUnknown_085CB2A1
-	ldr r1, =gStringVar4
-	bl StrCpyDecodeBattle
-	pop {r4,r5}
-	pop {r0}
-	bx r0
-	.pool
-	thumb_func_end sub_806E994
-
-	thumb_func_start GetWildMonTableIdInAlteringCave
-GetWildMonTableIdInAlteringCave: @ 806EA40
-	push {lr}
-	lsls r0, 16
-	lsrs r3, r0, 16
-	movs r1, 0
-	ldr r2, =gUnknown_08329EFC
-_0806EA4A:
-	ldrh r0, [r2]
-	cmp r0, r3
-	bne _0806EA58
-	adds r0, r1, 0
-	b _0806EA62
-	.pool
-_0806EA58:
-	adds r2, 0x4
-	adds r1, 0x1
-	cmp r1, 0x8
-	ble _0806EA4A
-	movs r0, 0
-_0806EA62:
-	pop {r1}
-	bx r1
-	thumb_func_end GetWildMonTableIdInAlteringCave
-
-	thumb_func_start SetWildMonHeldItem
-SetWildMonHeldItem: @ 806EA68
-	push {r4-r7,lr}
-	mov r7, r8
-	push {r7}
-	ldr r0, =gBattleTypeFlags
-	ldr r0, [r0]
-	ldr r1, =0x00302008
-	ands r0, r1
-	cmp r0, 0
-	beq _0806EA7C
-	b _0806EB90
-_0806EA7C:
-	bl Random
-	lsls r0, 16
-	lsrs r0, 16
-	movs r1, 0x64
-	bl __umodsi3
-	lsls r0, 16
-	lsrs r6, r0, 16
-	ldr r0, =gEnemyParty
-	movs r1, 0xB
-	movs r2, 0
-	bl GetMonData
-	lsls r0, 16
-	lsrs r4, r0, 16
-	movs r0, 0x2D
-	mov r8, r0
-	movs r7, 0x5F
-	ldr r5, =gPlayerParty
-	adds r0, r5, 0
-	movs r1, 0x6
-	movs r2, 0
-	bl GetMonData
-	cmp r0, 0
-	bne _0806EAC6
-	adds r0, r5, 0
-	bl GetMonAbility
-	lsls r0, 24
-	lsrs r0, 24
-	cmp r0, 0xE
-	bne _0806EAC6
-	movs r2, 0x14
-	mov r8, r2
-	movs r7, 0x50
-_0806EAC6:
-	ldr r0, =gMapHeader
-	ldrh r1, [r0, 0x12]
-	movs r0, 0xD2
-	lsls r0, 1
-	cmp r1, r0
-	bne _0806EB2C
-	adds r0, r4, 0
-	bl GetWildMonTableIdInAlteringCave
-	adds r2, r0, 0
-	cmp r2, 0
-	beq _0806EB04
-	cmp r6, r7
-	bcc _0806EB90
-	ldr r0, =gEnemyParty
-	lsls r2, 2
-	ldr r1, =gAlteringCaveWildMonHeldItems
-	b _0806EB6C
-	.pool
-_0806EB04:
-	cmp r6, r8
-	bcc _0806EB90
-	cmp r6, r7
-	bcs _0806EB18
-	ldr r0, =gEnemyParty
-	lsls r2, r4, 3
-	b _0806EB66
-	.pool
-_0806EB18:
-	ldr r0, =gEnemyParty
-	lsls r2, r4, 3
-	subs r2, r4
-	lsls r2, 2
-	ldr r1, =gBaseStats + 0xe @ item 2 offset
-	b _0806EB6C
-	.pool
-_0806EB2C:
-	ldr r0, =gBaseStats
-	mov r12, r0
-	lsls r0, r4, 3
-	subs r1, r0, r4
-	lsls r5, r1, 2
-	mov r2, r12
-	adds r1, r5, r2
-	ldrh r3, [r1, 0xC]
-	adds r2, r0, 0
-	ldrh r1, [r1, 0xE]
-	cmp r3, r1
-	bne _0806EB5C
-	cmp r3, 0
-	beq _0806EB5C
-	ldr r0, =gEnemyParty
-	mov r2, r12
-	adds r2, 0xC
-	adds r2, r5, r2
-	b _0806EB6E
-	.pool
-_0806EB5C:
-	cmp r6, r8
-	bcc _0806EB90
-	cmp r6, r7
-	bcs _0806EB80
-	ldr r0, =gEnemyParty
-_0806EB66:
-	subs r2, r4
-	lsls r2, 2
-	ldr r1, =gBaseStats + 0xc @ item 1 offset
-_0806EB6C:
-	adds r2, r1
-_0806EB6E:
-	movs r1, 0xC
-	bl SetMonData
-	b _0806EB90
-	.pool
-_0806EB80:
-	ldr r0, =gEnemyParty
-	subs r2, r4
-	lsls r2, 2
-	ldr r1, =gBaseStats + 0xe @ item 2 offset
-	adds r2, r1
-	movs r1, 0xC
-	bl SetMonData
-_0806EB90:
-	pop {r3}
-	mov r8, r3
-	pop {r4-r7}
-	pop {r0}
-	bx r0
-	.pool
-	thumb_func_end SetWildMonHeldItem
-
-	thumb_func_start IsMonShiny
-IsMonShiny: @ 806EBA4
-	push {r4,r5,lr}
-	adds r4, r0, 0
-	movs r1, 0x1
-	movs r2, 0
-	bl GetMonData
-	adds r5, r0, 0
-	adds r0, r4, 0
-	movs r1, 0
-	movs r2, 0
-	bl GetMonData
-	adds r1, r0, 0
-	adds r0, r5, 0
-	bl IsShinyOtIdPersonality
-	lsls r0, 24
-	lsrs r0, 24
-	pop {r4,r5}
-	pop {r1}
-	bx r1
-	thumb_func_end IsMonShiny
-
-	thumb_func_start IsShinyOtIdPersonality
-IsShinyOtIdPersonality: @ 806EBD0
-	push {r4,lr}
-	movs r4, 0
-	lsrs r2, r0, 16
-	ldr r3, =0x0000ffff
-	ands r0, r3
-	eors r2, r0
-	lsrs r0, r1, 16
-	eors r2, r0
-	ands r1, r3
-	eors r2, r1
-	cmp r2, 0x7
-	bhi _0806EBEA
-	movs r4, 0x1
-_0806EBEA:
-	adds r0, r4, 0
-	pop {r4}
-	pop {r1}
-	bx r1
-	.pool
-	thumb_func_end IsShinyOtIdPersonality
-
-	thumb_func_start sub_806EBF8
-sub_806EBF8: @ 806EBF8
-	push {r4,lr}
-	ldr r0, =gBattleTypeFlags
-	ldr r0, [r0]
-	movs r1, 0x80
-	lsls r1, 15
-	ands r0, r1
-	cmp r0, 0
-	beq _0806EC3C
-	ldr r2, =gUnknown_02038BCE
-	ldrh r1, [r2]
-	ldr r0, =0x00000c03
-	cmp r1, r0
-	bne _0806EC28
-	ldr r0, =gTrainers + TRAINER_STEVEN * 0x28 + 0x4 @ Steven's name
-	b _0806EC64
-	.pool
-_0806EC28:
-	ldr r4, =gStringVar1
-	ldrh r1, [r2]
-	adds r0, r4, 0
-	bl sub_8162E20
-	adds r0, r4, 0
-	b _0806EC64
-	.pool
-_0806EC3C:
-	bl GetMultiplayerId
-	lsls r0, 24
-	lsrs r0, 24
-	ldr r4, =gLinkPlayers
-	lsls r1, r0, 3
-	subs r1, r0
-	lsls r1, 2
-	adds r1, r4
-	ldrh r1, [r1, 0x18]
-	movs r0, 0x2
-	eors r0, r1
-	bl sub_806D864
-	adds r1, r0, 0
-	lsls r0, r1, 3
-	subs r0, r1
-	lsls r0, 2
-	adds r4, 0x8
-	adds r0, r4
-_0806EC64:
-	pop {r4}
-	pop {r1}
-	bx r1
-	.pool
-	thumb_func_end sub_806EBF8
-
-	thumb_func_start sub_806EC70
-sub_806EC70: @ 806EC70
-	push {r4,lr}
-	lsls r0, 24
-	lsrs r4, r0, 24
-	ldr r1, =gTasks
-	lsls r0, r4, 2
-	adds r0, r4
-	lsls r0, 3
-	adds r2, r0, r1
-	ldrh r0, [r2, 0xE]
-	subs r0, 0x1
-	strh r0, [r2, 0xE]
-	lsls r0, 16
-	cmp r0, 0
-	bne _0806ECA0
-	ldrh r0, [r2, 0x8]
-	ldrh r1, [r2, 0xA]
-	lsls r1, 16
-	orrs r0, r1
-	ldrb r1, [r2, 0xC]
-	bl sub_817F544
-	adds r0, r4, 0
-	bl DestroyTask
-_0806ECA0:
-	pop {r4}
-	pop {r0}
-	bx r0
-	.pool
-	thumb_func_end sub_806EC70
-
 	thumb_func_start sub_806ECAC
 sub_806ECAC: @ 806ECAC
 	push {r4,lr}
diff --git a/asm/recorded_battle.s b/asm/recorded_battle.s
index 5a4a811e6..53824dfea 100644
--- a/asm/recorded_battle.s
+++ b/asm/recorded_battle.s
@@ -883,7 +883,7 @@ _081854E2:
 	ldr r2, =0x000004f6
 	adds r0, r7, r2
 	strh r1, [r0]
-	ldr r3, =gUnknown_02038BCE
+	ldr r3, =gPartnerTrainerId
 	ldrh r1, [r3]
 	movs r4, 0x9F
 	lsls r4, 3
@@ -1196,7 +1196,7 @@ _081857B6:
 	b _08185856
 	.pool
 _081857E4:
-	ldr r3, =gUnknown_02038BCE
+	ldr r3, =gPartnerTrainerId
 	ldrh r3, [r3]
 	adds r0, r1, r3
 	lsls r0, 16
@@ -1207,7 +1207,7 @@ _081857E4:
 	ldr r4, =0x00000504
 	adds r3, r7, r4
 	mov r10, r9
-	ldr r5, =gUnknown_02038BCE
+	ldr r5, =gPartnerTrainerId
 	mov r12, r5
 	ldr r0, =0xfffffed4
 	mov r8, r0
@@ -1231,7 +1231,7 @@ _08185804:
 	ble _08185804
 	mov r0, r9
 	ldr r1, [r0]
-	ldr r2, =gUnknown_02038BCE
+	ldr r2, =gPartnerTrainerId
 	ldrh r0, [r2]
 	ldr r3, =0xfffffed4
 	adds r0, r3
@@ -1246,7 +1246,7 @@ _08185804:
 	strb r1, [r0]
 	mov r0, r9
 	ldr r1, [r0]
-	ldr r4, =gUnknown_02038BCE
+	ldr r4, =gPartnerTrainerId
 	ldrh r0, [r4]
 	adds r0, r3
 	muls r0, r2
@@ -1374,7 +1374,7 @@ _08185936:
 	b _081859AC
 	.pool
 _0818597C:
-	ldr r3, =gUnknown_02038BCE
+	ldr r3, =gPartnerTrainerId
 	ldrh r0, [r3]
 	cmp r0, r1
 	bls _081859C0
@@ -1395,7 +1395,7 @@ _0818597C:
 	adds r1, r7, r5
 	strb r0, [r1]
 	ldr r2, [r4]
-	ldr r0, =gUnknown_02038BCE
+	ldr r0, =gPartnerTrainerId
 	ldrh r1, [r0]
 	adds r1, r3
 _081859AC:
@@ -1546,7 +1546,7 @@ sub_8185AB0: @ 8185AB0
 	strh r1, [r0]
 	ldr r0, =gTrainerBattleOpponent_B
 	strh r1, [r0]
-	ldr r0, =gUnknown_02038BCE
+	ldr r0, =gPartnerTrainerId
 	strh r1, [r0]
 	bl sub_8185EFC
 	ldr r0, =gUnknown_0203C7B0
@@ -1725,7 +1725,7 @@ _08185C2A:
 	adds r0, r7, r3
 	ldrh r0, [r0]
 	strh r0, [r1]
-	ldr r1, =gUnknown_02038BCE
+	ldr r1, =gPartnerTrainerId
 	adds r2, 0x4
 	adds r0, r7, r2
 	ldrh r0, [r0]
@@ -1905,7 +1905,7 @@ sub_8185E24: @ 8185E24
 	ldr r0, =gUnknown_0203C7B0
 	str r5, [r0]
 	movs r0, 0
-	bl PlayNewMapMusic__default_for_battle
+	bl PlayMapChosenOrBattleBGM
 	ldr r0, =sub_8185E8C
 	bl SetMainCallback2
 _08185E6E:
diff --git a/asm/rom_8034C54.s b/asm/rom_8034C54.s
index 2690b0f98..8b0c99138 100644
--- a/asm/rom_8034C54.s
+++ b/asm/rom_8034C54.s
@@ -2524,7 +2524,7 @@ _08036208:
 	ands r1, r0
 	cmp r1, 0
 	beq _08036224
-	ldr r0, =gUnknown_02038BCE
+	ldr r0, =gPartnerTrainerId
 	ldrh r1, [r0]
 	ldr r0, =0x00000c03
 	cmp r1, r0
diff --git a/asm/rom_8161F74.s b/asm/rom_8161F74.s
index 339476c45..51eed4e4c 100644
--- a/asm/rom_8161F74.s
+++ b/asm/rom_8161F74.s
@@ -1456,8 +1456,8 @@ _08162BCA:
 	.pool
 	thumb_func_end sub_8162AA0
 
-	thumb_func_start sub_8162BD8
-sub_8162BD8: @ 8162BD8
+	thumb_func_start GetFrontierOpponentClass
+GetFrontierOpponentClass: @ 8162BD8
 	push {r4,r5,lr}
 	lsls r0, 16
 	lsrs r4, r0, 16
@@ -1594,7 +1594,7 @@ _08162D1E:
 	pop {r1}
 	bx r1
 	.pool
-	thumb_func_end sub_8162BD8
+	thumb_func_end GetFrontierOpponentClass
 
 	thumb_func_start sub_8162D34
 sub_8162D34: @ 8162D34
@@ -1697,8 +1697,8 @@ _08162E0C:
 	.pool
 	thumb_func_end sub_8162D34
 
-	thumb_func_start sub_8162E20
-sub_8162E20: @ 8162E20
+	thumb_func_start GetFrontierTrainerName
+GetFrontierTrainerName: @ 8162E20
 	push {r4-r6,lr}
 	adds r6, r0, 0
 	lsls r1, 16
@@ -1846,7 +1846,7 @@ _08162F62:
 	pop {r4-r6}
 	pop {r0}
 	bx r0
-	thumb_func_end sub_8162E20
+	thumb_func_end GetFrontierTrainerName
 
 	thumb_func_start sub_8162F68
 sub_8162F68: @ 8162F68
@@ -3275,7 +3275,7 @@ _08163B56:
 _08163B64:
 	movs r0, 0x2
 	bl sub_816306C
-	ldr r1, =gUnknown_02038BCE
+	ldr r1, =gPartnerTrainerId
 	ldr r0, =gSaveBlock2Ptr
 	ldr r0, [r0]
 	ldr r2, =0x00000cd6
@@ -3302,7 +3302,7 @@ _08163BA6:
 	movs r1, 0x1
 	bl CreateTask
 	movs r0, 0
-	bl PlayNewMapMusic__default_for_battle
+	bl PlayMapChosenOrBattleBGM
 	movs r0, 0
 	b _08163E10
 	.pool
@@ -3334,7 +3334,7 @@ _08163BC4:
 	movs r1, 0x1
 	bl CreateTask
 	movs r0, 0
-	bl PlayNewMapMusic__default_for_battle
+	bl PlayMapChosenOrBattleBGM
 	movs r0, 0xC
 	b _08163E10
 	.pool
@@ -3369,7 +3369,7 @@ _08163C18:
 	movs r1, 0x1
 	bl CreateTask
 	movs r0, 0
-	bl PlayNewMapMusic__default_for_battle
+	bl PlayMapChosenOrBattleBGM
 	movs r0, 0xD
 	b _08163E10
 	.pool
@@ -3438,7 +3438,7 @@ _08163D12:
 	movs r1, 0x1
 	bl CreateTask
 	movs r0, 0
-	bl PlayNewMapMusic__default_for_battle
+	bl PlayMapChosenOrBattleBGM
 	movs r0, 0x4
 	b _08163E10
 	.pool
@@ -3467,7 +3467,7 @@ _08163D5E:
 	movs r1, 0x1
 	bl CreateTask
 	movs r0, 0
-	bl PlayNewMapMusic__default_for_battle
+	bl PlayMapChosenOrBattleBGM
 	movs r0, 0x5
 	b _08163E10
 	.pool
@@ -3490,7 +3490,7 @@ _08163D8E:
 	movs r1, 0x1
 	bl CreateTask
 	movs r0, 0
-	bl PlayNewMapMusic__default_for_battle
+	bl PlayMapChosenOrBattleBGM
 	movs r0, 0x6
 	b _08163E10
 	.pool
@@ -3513,7 +3513,7 @@ _08163DC8:
 	movs r1, 0x1
 	bl CreateTask
 	movs r0, 0
-	bl PlayNewMapMusic__default_for_battle
+	bl PlayMapChosenOrBattleBGM
 	movs r0, 0xA
 	b _08163E10
 	.pool
@@ -3528,7 +3528,7 @@ _08163E00:
 	movs r1, 0x1
 	bl CreateTask
 	movs r0, 0
-	bl PlayNewMapMusic__default_for_battle
+	bl PlayMapChosenOrBattleBGM
 	movs r0, 0x7
 _08163E10:
 	bl sub_80B100C
@@ -3553,13 +3553,13 @@ _08163E2C:
 	strb r0, [r4]
 	ldr r0, =gUnknown_08224167
 	bl TrainerBattleConfigure
-	ldr r0, =gUnknown_02038BCE
+	ldr r0, =gPartnerTrainerId
 	strh r5, [r0]
 	ldr r0, =sub_8163A8C
 	movs r1, 0x1
 	bl CreateTask
 	movs r0, 0
-	bl PlayNewMapMusic__default_for_battle
+	bl PlayMapChosenOrBattleBGM
 	movs r0, 0x12
 	bl sub_8145EF4
 _08163E68:
@@ -4782,7 +4782,7 @@ _081648D6:
 _081648E2:
 	ldr r0, =gStringVar1
 	adds r1, r7, 0
-	bl sub_8162E20
+	bl GetFrontierTrainerName
 	b _08164AC2
 	.pool
 _081648F4:
@@ -4841,7 +4841,7 @@ _08164910:
 	ldr r0, =gStringVar3
 	mov r3, r10
 	lsrs r1, r3, 16
-	bl sub_8162E20
+	bl GetFrontierTrainerName
 	b _08164AC2
 	.pool
 _08164984:
@@ -4867,7 +4867,7 @@ _081649A8:
 	b _08164AC2
 	.pool
 _081649BC:
-	ldr r0, =gUnknown_02038BCE
+	ldr r0, =gPartnerTrainerId
 	strh r7, [r0]
 	ldr r0, =0x0000012b
 	cmp r7, r0
@@ -4944,7 +4944,7 @@ _08164A60:
 	bl sub_8162548
 	lsls r0, 16
 	lsrs r3, r0, 16
-	ldr r0, =gUnknown_02038BCE
+	ldr r0, =gPartnerTrainerId
 	ldrh r0, [r0]
 	cmp r0, r3
 	beq _08164A60
@@ -5340,7 +5340,7 @@ sub_8164E04: @ 8164E04
 	ldr r5, =gTrainerBattleOpponent_A
 	ldrh r1, [r5]
 	mov r0, sp
-	bl sub_8162E20
+	bl GetFrontierTrainerName
 	mov r0, sp
 	bl StripExtCtrlCodes
 	ldr r4, =gSaveBlock2Ptr
diff --git a/asm/rom_818E9AC.s b/asm/rom_818E9AC.s
index 730bb2fee..147258e31 100644
--- a/asm/rom_818E9AC.s
+++ b/asm/rom_818E9AC.s
@@ -7186,7 +7186,7 @@ _08192784:
 	.pool
 _08192798:
 	ldr r0, [sp, 0x24]
-	bl sub_8162BD8
+	bl GetFrontierOpponentClass
 _0819279E:
 	lsls r0, 24
 	lsrs r5, r0, 24
@@ -41472,14 +41472,14 @@ _081A4450:
 	ldr r0, =gStringVar1
 	ldr r1, =gTrainerBattleOpponent_A
 	ldrh r1, [r1]
-	bl sub_8162E20
+	bl GetFrontierTrainerName
 	b _081A446E
 	.pool
 _081A4464:
 	ldr r0, =gStringVar2
 	ldr r1, =gTrainerBattleOpponent_A
 	ldrh r1, [r1]
-	bl sub_8162E20
+	bl GetFrontierTrainerName
 _081A446E:
 	pop {r0}
 	bx r0
@@ -44244,7 +44244,7 @@ sub_81A5BE0: @ 81A5BE0
 	ldr r0, =gStringVar1
 	ldr r1, =gTrainerBattleOpponent_A
 	ldrh r1, [r1]
-	bl sub_8162E20
+	bl GetFrontierTrainerName
 	pop {r0}
 	bx r0
 	.pool
@@ -80272,7 +80272,7 @@ sub_81B8A7C: @ 81B8A7C
 	bne _081B8AC4
 _081B8AA2:
 	ldr r4, =gStringVar1
-	bl sub_806EBF8
+	bl GetTrainerPartnerName
 	adds r1, r0, 0
 	adds r0, r4, 0
 	bl StringCopy
@@ -82460,7 +82460,7 @@ sub_81B9CF0: @ 81B9CF0
 	ldr r0, =gStringVar1
 	ldr r1, =gTrainerBattleOpponent_A
 	ldrh r1, [r1]
-	bl sub_8162E20
+	bl GetFrontierTrainerName
 	pop {r0}
 	bx r0
 	.pool
diff --git a/asm/rom_81BE66C.s b/asm/rom_81BE66C.s
index 8981c1b11..d0143fabb 100644
--- a/asm/rom_81BE66C.s
+++ b/asm/rom_81BE66C.s
@@ -11162,7 +11162,7 @@ sub_81C47B4: @ 81C47B4
 	ands r0, r1
 	strb r0, [r7, 0x5]
 	ldrh r0, [r6, 0x2]
-	bl sub_806E840
+	bl IsPokeSpriteNotFlipped
 	lsls r0, 24
 	cmp r0, 0
 	bne _081C4828
@@ -11210,7 +11210,7 @@ sub_81C4844: @ 81C4844
 	cmp r0, 0x1
 	beq _081C487E
 	ldrh r0, [r4, 0x2E]
-	bl sub_806E840
+	bl IsPokeSpriteNotFlipped
 	lsls r0, 24
 	lsrs r0, 24
 	strh r0, [r4, 0x30]
diff --git a/asm/trade.s b/asm/trade.s
index 624f4e1e9..8b8a496b2 100644
--- a/asm/trade.s
+++ b/asm/trade.s
@@ -9588,7 +9588,7 @@ _0807C66C:
 	ldr r0, [r5]
 	adds r0, 0xF0
 	ldrh r0, [r0]
-	bl sub_806E840
+	bl IsPokeSpriteNotFlipped
 	lsls r0, 24
 	cmp r0, 0
 	bne _0807C6E4
@@ -11662,7 +11662,7 @@ _0807DA74:
 	ldr r0, [r5]
 	adds r0, 0xF0
 	ldrh r0, [r0]
-	bl sub_806E840
+	bl IsPokeSpriteNotFlipped
 	lsls r0, 24
 	cmp r0, 0
 	bne _0807DAEC
diff --git a/data/battle_message.s b/data/battle_message.s
index 75bd65d23..d1bd0c8ef 100644
--- a/data/battle_message.s
+++ b/data/battle_message.s
@@ -249,7 +249,7 @@ gUnknown_085CA459:: @ 85CA459
 .string "{STRING 19} transformed!$"
 .string "{STRING 16}’s {STRING 25}\ntook the attack!$"
 
-gUnknown_085CB2A1:: @ 85CB2A1
+BattleText_PreventedSwitch:: @ 85CB2A1
 
 .string "{STRING 0}’s {STRING 23}\nprevents switching!\p$"
 .string "{STRING 16}’s {STRING 25}\nprevented {STRING 19}’s\l{STRING 0} from working!$"
@@ -682,7 +682,7 @@ gUnknown_085CCB8C:: @ 85CCB8C
 gUnknown_085CCB90:: @ 85CCB90
 	.incbin "baserom.gba", 0x5ccb90, 0x8
 
-gUnknown_085CCB98:: @ 85CCB98
+BattleText_Wally:: @ 85CCB98
 	.incbin "baserom.gba", 0x5ccb98, 0x6
 
 gUnknown_085CCB9E:: @ 85CCB9E
diff --git a/data/data2c.s b/data/data2c.s
index 94d9c30e8..92e26785d 100644
--- a/data/data2c.s
+++ b/data/data2c.s
@@ -101,11 +101,8 @@ gUnknown_08329ECE:: @ 8329ECE
 gHMMoves:: @ 8329EEA
 	.incbin "baserom.gba", 0x329eea, 0x12
 
-gUnknown_08329EFC:: @ 8329EFC
-	.incbin "baserom.gba", 0x329efc, 0x2
-
-gAlteringCaveWildMonHeldItems:: @ 8329EFE
-	.incbin "baserom.gba", 0x329efe, 0x2a
+gAlteringCaveWildMonHeldItems:: @ 8329EFC
+	.incbin "baserom.gba", 0x329efc, 0x2c
 
 gUnknown_08329F28:: @ 8329F28
 	.incbin "baserom.gba", 0x329f28, 0x18
diff --git a/include/battle.h b/include/battle.h
index 81d3e2c82..61270bed0 100644
--- a/include/battle.h
+++ b/include/battle.h
@@ -32,6 +32,8 @@
 #define BATTLE_TYPE_KYORGE          0x20000000
 #define BATTLE_TYPE_RAYQUAZA        0x40000000
 
+#define STEVEN_PARTNER_ID           0xC03
+
 #define BATTLE_TYPE_FRONTIER        (BATTLE_TYPE_BATTLE_TOWER | BATTLE_TYPE_DOME | BATTLE_TYPE_PALACE | BATTLE_TYPE_ARENA | BATTLE_TYPE_FACTORY | BATTLE_TYPE_x100000 | BATTLE_TYPE_PYRAMID)
 
 #define BATTLE_WON                  0x1
@@ -337,7 +339,105 @@ struct BattleStruct
     u8 wildVictorySong;
     u8 dynamicMoveType;
     u8 wrappedBy[4];
-    u8 field_18[0x63]; // TODO: expand
+    u8 field_18;
+    u8 field_19;
+    u8 field_1A;
+    u8 field_1B;
+    u8 field_1C;
+    u8 field_1D;
+    u8 field_1E;
+    u8 field_1F;
+    u8 field_20;
+    u8 field_21;
+    u8 field_22;
+    u8 field_23;
+    u8 field_24;
+    u8 field_25;
+    u8 field_26;
+    u8 field_27;
+    u8 field_28;
+    u8 field_29;
+    u8 field_2A;
+    u8 field_2B;
+    u8 field_2C;
+    u8 field_2D;
+    u8 field_2E;
+    u8 field_2F;
+    u8 field_30;
+    u8 field_31;
+    u8 field_32;
+    u8 field_33;
+    u8 field_34;
+    u8 field_35;
+    u8 field_36;
+    u8 field_37;
+    u8 field_38;
+    u8 field_39;
+    u8 field_3A;
+    u8 field_3B;
+    u8 field_3C;
+    u8 field_3D;
+    u8 field_3E;
+    u8 field_3F;
+    u8 field_40;
+    u8 field_41;
+    u8 field_42;
+    u8 field_43;
+    u8 field_44;
+    u8 field_45;
+    u8 field_46;
+    u8 field_47;
+    u8 field_48;
+    u8 field_49;
+    u8 field_4A;
+    u8 field_4B;
+    u8 field_4C;
+    u8 field_4D;
+    u8 field_4E;
+    u8 field_4F;
+    u8 field_50;
+    u8 field_51;
+    u8 field_52;
+    u8 field_53;
+    u8 field_54;
+    u8 field_55;
+    u8 field_56;
+    u8 field_57;
+    u8 field_58;
+    u8 field_59;
+    u8 field_5A;
+    u8 field_5B;
+    u8 field_5C;
+    u8 field_5D;
+    u8 field_5E;
+    u8 field_5F;
+    u8 field_60;
+    u8 field_61;
+    u8 field_62;
+    u8 field_63;
+    u8 field_64;
+    u8 field_65;
+    u8 field_66;
+    u8 field_67;
+    u8 field_68;
+    u8 field_69;
+    u8 field_6A;
+    u8 field_6B;
+    u8 field_6C;
+    u8 field_6D;
+    u8 field_6E;
+    u8 field_6F;
+    u8 field_70;
+    u8 field_71;
+    u8 field_72;
+    u8 field_73;
+    u8 field_74;
+    u8 field_75;
+    u8 field_76;
+    u8 field_77;
+    u8 field_78;
+    u8 field_79;
+    u8 field_7A;
     u8 field_7B;
     u8 field_7C;
     u8 field_7D;
diff --git a/include/m4a.h b/include/m4a.h
index 949403885..b6c8f9072 100644
--- a/include/m4a.h
+++ b/include/m4a.h
@@ -9,6 +9,7 @@ void m4aSoundInit(void);
 void m4aSoundMain(void);
 void m4aSongNumStart(u16);
 void m4aSongNumStop(u16 n);
+void m4aMPlayAllStop(void);
 void m4aMPlayContinue(struct MusicPlayerInfo *mplayInfo);
 void m4aMPlayFadeOut(struct MusicPlayerInfo *mplayInfo, u16 speed);
 void m4aMPlayFadeOutTemporarily(struct MusicPlayerInfo *mplayInfo, u16 speed);
diff --git a/include/pokemon.h b/include/pokemon.h
index cfee4261c..12b58ba9f 100644
--- a/include/pokemon.h
+++ b/include/pokemon.h
@@ -562,6 +562,7 @@ u8 GetNatureFromPersonality(u32 personality);
 u16 nature_stat_mod(u8 nature, u16 n, u8 statIndex);
 
 void MonRestorePP(struct Pokemon *);
+void BoxMonRestorePP(struct BoxPokemon *);
 
 u16 NationalPokedexNumToSpecies(u16 nationalNum);
 u16 NationalToHoennOrder(u16);
@@ -583,4 +584,11 @@ bool8 IsOtherTrainer(u32, u8 *);
 void SetWildMonHeldItem(void);
 u16 GetMonEVCount(struct Pokemon *);
 
+const struct CompressedSpritePalette *sub_806E794(struct Pokemon *mon);
+const struct CompressedSpritePalette *sub_806E7CC(u16 species, u32 otId , u32 personality);
+bool32 IsHMMove2(u16 move);
+bool8 IsPokeSpriteNotFlipped(u16 species);
+bool8 IsMonShiny(struct Pokemon *mon);
+bool8 IsShinyOtIdPersonality(u32 otId, u32 personality);
+
 #endif // GUARD_POKEMON_H
diff --git a/include/trainer_class.h b/include/trainer_classes.h
index 14fc69a24..3f13dfc37 100644
--- a/include/trainer_class.h
+++ b/include/trainer_classes.h
@@ -1,5 +1,5 @@
-#ifndef GUARD_TRAINER_CLASS_H
-#define GUARD_TRAINER_CLASS_H
+#ifndef GUARD_TRAINER_CLASSES_H
+#define GUARD_TRAINER_CLASSES_H
 
 enum
 {
@@ -50,4 +50,4 @@ enum
     CLASS_PKMN_TRAINER2, // 0x41
 };
 
-#endif // GUARD_TRAINER_CLASS_H
+#endif // GUARD_TRAINER_CLASSES_H
diff --git a/include/trainer_ids.h b/include/trainer_ids.h
new file mode 100644
index 000000000..1dd3ba3ac
--- /dev/null
+++ b/include/trainer_ids.h
@@ -0,0 +1,6 @@
+#ifndef GUARD_TRAINER_IDS_H
+#define GUARD_TRAINER_IDS_H
+
+#define TRAINER_ID_STEVEN 804
+
+#endif // GUARD_TRAINER_IDS_H
diff --git a/src/decompress.c b/src/decompress.c
index befdbaba2..2863ff1f5 100644
--- a/src/decompress.c
+++ b/src/decompress.c
@@ -3,14 +3,13 @@
 #include "species.h"
 #include "text.h"
 #include "malloc.h"
+#include "pokemon.h"
 
 EWRAM_DATA ALIGNED(4) u8 gDecompressionBuffer[0x4000] = {0};
 
 extern const struct CompressedSpriteSheet gMonFrontPicTable[];
 extern const struct CompressedSpriteSheet gMonBackPicTable[];
 
-extern void DrawSpindaSpots(u16 species, u32 personality, void* dest, bool8 isFrontPic);
-
 static void DuplicateDeoxysTiles(void *pointer, s32 species);
 
 void LZDecompressWram(const void *src, void *dest)
diff --git a/src/pokemon_3.c b/src/pokemon_3.c
index 78dca4967..2ec6d08d0 100644
--- a/src/pokemon_3.c
+++ b/src/pokemon_3.c
@@ -11,7 +11,15 @@
 #include "link.h"
 #include "hold_effects.h"
 #include "rng.h"
-#include "trainer_class.h"
+#include "trainer_classes.h"
+#include "trainer_ids.h"
+#include "songs.h"
+#include "sound.h"
+#include "m4a.h"
+#include "task.h"
+#include "sprite.h"
+#include "text.h"
+#include "abilities.h"
 
 extern struct BattlePokemon gBattleMons[4];
 extern struct BattleEnigmaBerry gEnigmaBerries[4];
@@ -23,6 +31,9 @@ extern u8 gStringBank;
 extern u16 gTrainerBattleOpponent_A;
 extern u32 gBattleTypeFlags;
 extern u8 gBattleMonForms[4];
+extern u16 gBattlePartyID[4];
+extern u8 gLastUsedAbility;
+extern u16 gPartnerTrainerId;
 
 extern const u16 gSpeciesToHoennPokedexNum[];
 extern const u16 gSpeciesToNationalPokedexNum[];
@@ -40,6 +51,12 @@ extern const s8 gNatureStatTable[][5];
 extern const s8 gUnknown_08329ECE[][3];
 extern const u32 gBitTable[];
 extern const u32 gTMHMLearnsets[][2];
+extern const u8 BattleText_Wally[];
+extern const u8 BattleText_PreventedSwitch[];
+extern const struct CompressedSpritePalette gMonPaletteTable[];
+extern const struct CompressedSpritePalette gMonShinyPaletteTable[];
+extern const u16 gHMMoves[];
+extern const s8 gPokeblockFlavorCompatibilityTable[];
 
 extern bool8 InBattlePyramid(void);
 extern bool8 sub_81D5C18(void);
@@ -48,6 +65,9 @@ extern bool32 IsNationalPokedexEnabled(void);
 extern u8 GetTrainerEncounterMusicIdInBattlePyramind(u16 trainerOpponentId);
 extern u8 sub_81D63C8(u16 trainerOpponentId);
 extern u8 sav1_map_get_name(void);
+extern u8 GetFrontierOpponentClass(u16 trainerId);
+extern u8 pokemon_order_func(u8 bankPartyId);
+extern void GetFrontierTrainerName(u8* dest, u16 trainerId);
 
 bool8 HealStatusConditions(struct Pokemon *mon, u32 battlePartyId, u32 healMask, u8 battleBank)
 {
@@ -1111,3 +1131,355 @@ void ClearBattleMonForms(void)
     for (i = 0; i < 4; i++)
         gBattleMonForms[i] = 0;
 }
+
+u16 GetBattleBGM(void)
+{
+    if (gBattleTypeFlags & BATTLE_TYPE_KYOGRE_GROUDON)
+        return 0x1E0;
+    if (gBattleTypeFlags & BATTLE_TYPE_REGI)
+        return 0x1DF;
+    if (gBattleTypeFlags & (BATTLE_TYPE_LINK | BATTLE_TYPE_x2000000))
+        return 0x1DC;
+    if (gBattleTypeFlags & BATTLE_TYPE_TRAINER)
+    {
+        u8 trainerClass;
+        if (gBattleTypeFlags & BATTLE_TYPE_FRONTIER)
+            trainerClass = GetFrontierOpponentClass(gTrainerBattleOpponent_A);
+        else if (gBattleTypeFlags & BATTLE_TYPE_x4000000)
+            trainerClass = CLASS_EXPERT;
+        else
+            trainerClass = gTrainers[gTrainerBattleOpponent_A].trainerClass;
+        switch (trainerClass)
+        {
+        case CLASS_AQUA_LEADER:
+        case CLASS_MAGMA_LEADER:
+            return 0x1E3;
+        case CLASS_TEAM_AQUA:
+        case CLASS_TEAM_MAGMA:
+        case CLASS_AQUA_ADMIN:
+        case CLASS_MAGMA_ADMIN:
+            return 0x1DB;
+        case CLASS_LEADER:
+            return 0x1DD;
+        case CLASS_CHAMPION:
+            return 0x1DE;
+        case CLASS_PKMN_TRAINER_RIVAL:
+            if (gBattleTypeFlags & BATTLE_TYPE_FRONTIER)
+                return 0x1E1;
+            if (!StringCompare(gTrainers[gTrainerBattleOpponent_A].trainerName, BattleText_Wally))
+                return 0x1DC;
+            return 0x1E1;
+        case CLASS_ELITE_FOUR:
+            return 0x1E2;
+        case CLASS_SALON_MAIDEN:
+        case CLASS_DOME_ACE:
+        case CLASS_PALACE_MAVEN:
+        case CLASS_ARENA_TYCOON:
+        case CLASS_FACTORY_HEAD:
+        case CLASS_PIKE_QUEEN:
+        case CLASS_PYRAMID_KING:
+            return 0x1D7;
+        default:
+            return 0x1DC;
+        }
+    }
+    return 0x1DA;
+}
+
+void PlayBattleBGM(void)
+{
+    ResetMapMusic();
+    m4aMPlayAllStop();
+    PlayBGM(GetBattleBGM());
+}
+
+void PlayMapChosenOrBattleBGM(u16 songId)
+{
+    ResetMapMusic();
+    m4aMPlayAllStop();
+    if (songId)
+        PlayNewMapMusic(songId);
+    else
+        PlayNewMapMusic(GetBattleBGM());
+}
+
+static void sub_806E6CC(u8 taskId);
+
+void sub_806E694(u16 songId)
+{
+    u8 taskId;
+
+    ResetMapMusic();
+    m4aMPlayAllStop();
+
+    taskId = CreateTask(sub_806E6CC, 0);
+    gTasks[taskId].data[0] = songId;
+}
+
+static void sub_806E6CC(u8 taskId)
+{
+    if (gTasks[taskId].data[0])
+        PlayNewMapMusic(gTasks[taskId].data[0]);
+    else
+        PlayNewMapMusic(GetBattleBGM());
+    DestroyTask(taskId);
+}
+
+const u8 *pokemon_get_pal(struct Pokemon *mon)
+{
+    u16 species = GetMonData(mon, MON_DATA_SPECIES2, 0);
+    u32 otId = GetMonData(mon, MON_DATA_OT_ID, 0);
+    u32 personality = GetMonData(mon, MON_DATA_PERSONALITY, 0);
+    return species_and_otid_get_pal(species, otId, personality);
+}
+
+//Extracts the upper 16 bits of a 32-bit number
+#define HIHALF(n) (((n) & 0xFFFF0000) >> 16)
+
+//Extracts the lower 16 bits of a 32-bit number
+#define LOHALF(n) ((n) & 0xFFFF)
+
+const u8 *species_and_otid_get_pal(u16 species, u32 otId, u32 personality)
+{
+    u32 shinyValue;
+
+    if (species > SPECIES_EGG)
+        return gMonPaletteTable[0].data;
+
+    shinyValue = HIHALF(otId) ^ LOHALF(otId) ^ HIHALF(personality) ^ LOHALF(personality);
+    if (shinyValue < 8)
+        return gMonShinyPaletteTable[species].data;
+    else
+        return gMonPaletteTable[species].data;
+}
+
+const struct CompressedSpritePalette *sub_806E794(struct Pokemon *mon)
+{
+    u16 species = GetMonData(mon, MON_DATA_SPECIES2, 0);
+    u32 otId = GetMonData(mon, MON_DATA_OT_ID, 0);
+    u32 personality = GetMonData(mon, MON_DATA_PERSONALITY, 0);
+    return sub_806E7CC(species, otId, personality);
+}
+
+const struct CompressedSpritePalette *sub_806E7CC(u16 species, u32 otId , u32 personality)
+{
+    u32 shinyValue;
+
+    shinyValue = HIHALF(otId) ^ LOHALF(otId) ^ HIHALF(personality) ^ LOHALF(personality);
+    if (shinyValue < 8)
+        return &gMonShinyPaletteTable[species];
+    else
+        return &gMonPaletteTable[species];
+}
+
+bool32 IsHMMove2(u16 move)
+{
+    int i = 0;
+    while (gHMMoves[i] != 0xFFFF)
+    {
+        if (gHMMoves[i++] == move)
+            return TRUE;
+    }
+    return FALSE;
+}
+
+bool8 IsPokeSpriteNotFlipped(u16 species)
+{
+    return gBaseStats[species].noFlip;
+}
+
+s8 GetMonFlavourRelation(struct Pokemon *mon, u8 a2)
+{
+    u8 nature = GetNature(mon);
+    return gPokeblockFlavorCompatibilityTable[nature * 5 + a2];
+}
+
+s8 GetFlavourRelationByPersonality(u32 personality, u8 a2)
+{
+    u8 nature = GetNatureFromPersonality(personality);
+    return gPokeblockFlavorCompatibilityTable[nature * 5 + a2];
+}
+
+bool8 IsTradedMon(struct Pokemon *mon)
+{
+    u8 otName[8];
+    u32 otId;
+    GetMonData(mon, MON_DATA_OT_NAME, otName);
+    otId = GetMonData(mon, MON_DATA_OT_ID, 0);
+    return IsOtherTrainer(otId, otName);
+}
+
+bool8 IsOtherTrainer(u32 otId, u8 *otName)
+{
+    if (otId ==
+        (gSaveBlock2Ptr->playerTrainerId[0]
+         | (gSaveBlock2Ptr->playerTrainerId[1] << 8)
+         | (gSaveBlock2Ptr->playerTrainerId[2] << 16)
+         | (gSaveBlock2Ptr->playerTrainerId[3] << 24)))
+    {
+        int i;
+
+        for (i = 0; otName[i] != EOS; i++)
+            if (otName[i] != gSaveBlock2Ptr->playerName[i])
+                return TRUE;
+        return FALSE;
+    }
+
+    return TRUE;
+}
+
+void MonRestorePP(struct Pokemon *mon)
+{
+    BoxMonRestorePP(&mon->box);
+}
+
+void BoxMonRestorePP(struct BoxPokemon *boxMon)
+{
+    int i;
+
+    for (i = 0; i < 4; i++)
+    {
+        if (GetBoxMonData(boxMon, MON_DATA_MOVE1 + i, 0))
+        {
+            u16 move = GetBoxMonData(boxMon, MON_DATA_MOVE1 + i, 0);
+            u16 bonus = GetBoxMonData(boxMon, MON_DATA_PP_BONUSES, 0);
+            u8 pp = CalculatePPWithBonus(move, bonus, i);
+            SetBoxMonData(boxMon, MON_DATA_PP1 + i, &pp);
+        }
+    }
+}
+
+void sub_806E994(void)
+{
+    gLastUsedAbility = gBattleStruct->field_B0;
+    gBattleTextBuff1[0] = 0xFD;
+    gBattleTextBuff1[1] = 4;
+    gBattleTextBuff1[2] = gBattleStruct->field_49;
+    gBattleTextBuff1[4] = EOS;
+    if (!GetBankSide(gBattleStruct->field_49))
+        gBattleTextBuff1[3] = pokemon_order_func(gBattlePartyID[gBattleStruct->field_49]);
+    else
+        gBattleTextBuff1[3] = gBattlePartyID[gBattleStruct->field_49];
+    gBattleTextBuff2[0] = 0xFD;
+    gBattleTextBuff2[1] = 4;
+    gBattleTextBuff2[2] = gBankInMenu;
+    gBattleTextBuff2[3] = pokemon_order_func(gBattlePartyID[gBankInMenu]);
+    gBattleTextBuff2[4] = EOS;
+    StrCpyDecodeBattle(BattleText_PreventedSwitch, gStringVar4);
+}
+
+struct PokeItem
+{
+    u16 species;
+    u16 item;
+};
+
+extern const struct PokeItem gAlteringCaveWildMonHeldItems[9];
+
+static s32 GetWildMonTableIdInAlteringCave(u16 species)
+{
+    s32 i;
+    for (i = 0; i < 9; i++)
+        if (gAlteringCaveWildMonHeldItems[i].species == species)
+            return i;
+    return 0;
+}
+
+void SetWildMonHeldItem(void)
+{
+    if (!(gBattleTypeFlags & (BATTLE_TYPE_LEGENDARY | BATTLE_TYPE_TRAINER | BATTLE_TYPE_PYRAMID | BATTLE_TYPE_x100000)))
+    {
+        u16 rnd = Random() % 100;
+        u16 species = GetMonData(&gEnemyParty[0], MON_DATA_SPECIES, 0);
+        u16 var1 = 45;
+        u16 var2 = 95;
+        if (!GetMonData(&gPlayerParty[0], MON_DATA_SANITY_BIT3, 0)
+            && GetMonAbility(&gPlayerParty[0]) == ABILITY_COMPOUND_EYES)
+        {
+            var1 = 20;
+            var2 = 80;
+        }
+        if (gMapHeader.mapDataId == 0x1A4)
+        {
+            s32 alteringCaveId = GetWildMonTableIdInAlteringCave(species);
+            if (alteringCaveId != 0)
+            {
+                if (rnd < var2)
+                    return;
+                SetMonData(&gEnemyParty[0], MON_DATA_HELD_ITEM, &gAlteringCaveWildMonHeldItems[alteringCaveId].item);
+            }
+            else
+            {
+                if (rnd < var1)
+                    return;
+                if (rnd < var2)
+                    SetMonData(&gEnemyParty[0], MON_DATA_HELD_ITEM, &gBaseStats[species].item1);
+                else
+                    SetMonData(&gEnemyParty[0], MON_DATA_HELD_ITEM, &gBaseStats[species].item2);
+            }
+        }
+        else
+        {
+            if (gBaseStats[species].item1 == gBaseStats[species].item2 && gBaseStats[species].item1 != 0)
+            {
+                SetMonData(&gEnemyParty[0], MON_DATA_HELD_ITEM, &gBaseStats[species].item1);
+            }
+            else
+            {
+                if (rnd < var1)
+                    return;
+                if (rnd < var2)
+                    SetMonData(&gEnemyParty[0], MON_DATA_HELD_ITEM, &gBaseStats[species].item1);
+                else
+                    SetMonData(&gEnemyParty[0], MON_DATA_HELD_ITEM, &gBaseStats[species].item2);
+            }
+        }
+    }
+}
+
+bool8 IsMonShiny(struct Pokemon *mon)
+{
+    u32 otId = GetMonData(mon, MON_DATA_OT_ID, 0);
+    u32 personality = GetMonData(mon, MON_DATA_PERSONALITY, 0);
+    return IsShinyOtIdPersonality(otId, personality);
+}
+
+bool8 IsShinyOtIdPersonality(u32 otId, u32 personality)
+{
+    bool8 retVal = FALSE;
+    u32 shinyValue = HIHALF(otId) ^ LOHALF(otId) ^ HIHALF(personality) ^ LOHALF(personality);
+    if (shinyValue < 8)
+        retVal = TRUE;
+    return retVal;
+}
+
+const u8* GetTrainerPartnerName(void)
+{
+    if (gBattleTypeFlags & BATTLE_TYPE_INGAME_PARTNER)
+    {
+        if (gPartnerTrainerId == STEVEN_PARTNER_ID)
+            return gTrainers[TRAINER_ID_STEVEN].trainerName;
+        else
+        {
+            GetFrontierTrainerName(gStringVar1, gPartnerTrainerId);
+            return gStringVar1;
+        }
+    }
+    else
+    {
+        u8 id = GetMultiplayerId();
+        return gLinkPlayers[sub_806D864(gLinkPlayers[id].lp_field_18 ^ 2)].name;
+    }
+}
+
+void sub_817F544(void (*spriteCallback)(struct Sprite*), u8);
+
+void sub_806EC70(u8 taskId)
+{
+    if (--gTasks[taskId].data[3] == 0)
+    {
+        void* ptr = (void*)((u16)(gTasks[taskId].data[0]) | ((u16)(gTasks[taskId].data[1]) << 0x10));
+        sub_817F544(ptr, gTasks[taskId].data[2]);
+        DestroyTask(taskId);
+    }
+}
diff --git a/sym_ewram.txt b/sym_ewram.txt
index b05bf725f..5ce6e59f8 100644
--- a/sym_ewram.txt
+++ b/sym_ewram.txt
@@ -854,7 +854,7 @@ gTrainerBattleOpponent_A: @ 2038BCA
 gTrainerBattleOpponent_B: @ 2038BCC
 	.space 0x2
 
-gUnknown_02038BCE: @ 2038BCE
+gPartnerTrainerId: @ 2038BCE
 	.space 0x2
 
 gUnknown_02038BD0: @ 2038BD0