Escalator field effect

11 files changed, 374 insertions, 757 deletions

diff --git a/asm/field_effect.s b/asm/field_effect.s
index a1ecaf384..a331a0882 100644
--- a/asm/field_effect.s
+++ b/asm/field_effect.s
@@ -5,670 +5,6 @@
 
 	.text
 
-	thumb_func_start StartEscalatorWarp
-StartEscalatorWarp: @ 8084784
-	push {r4,lr}
-	adds r4, r0, 0
-	lsls r4, 24
-	lsrs r4, 24
-	lsls r1, 24
-	lsrs r1, 24
-	ldr r0, _080847B8 @ =Task_EscalatorWarpFieldEffect
-	bl CreateTask
-	lsls r0, 24
-	lsrs r0, 24
-	ldr r2, _080847BC @ =gTasks
-	lsls r1, r0, 2
-	adds r1, r0
-	lsls r1, 3
-	adds r1, r2
-	movs r0, 0
-	strh r0, [r1, 0xA]
-	cmp r4, 0x6A
-	bne _080847B0
-	movs r0, 0x1
-	strh r0, [r1, 0xA]
-_080847B0:
-	pop {r4}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_080847B8: .4byte Task_EscalatorWarpFieldEffect
-_080847BC: .4byte gTasks
-	thumb_func_end StartEscalatorWarp
-
-	thumb_func_start Task_EscalatorWarpFieldEffect
-Task_EscalatorWarpFieldEffect: @ 80847C0
-	push {r4,r5,lr}
-	lsls r0, 24
-	lsrs r0, 24
-	lsls r1, r0, 2
-	adds r1, r0
-	lsls r1, 3
-	ldr r0, _080847F0 @ =gTasks
-	adds r4, r1, r0
-	ldr r5, _080847F4 @ =sEscalatorWarpFieldEffectFuncs
-_080847D2:
-	movs r1, 0x8
-	ldrsh r0, [r4, r1]
-	lsls r0, 2
-	adds r0, r5
-	ldr r1, [r0]
-	adds r0, r4, 0
-	bl _call_via_r1
-	lsls r0, 24
-	cmp r0, 0
-	bne _080847D2
-	pop {r4,r5}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_080847F0: .4byte gTasks
-_080847F4: .4byte sEscalatorWarpFieldEffectFuncs
-	thumb_func_end Task_EscalatorWarpFieldEffect
-
-	thumb_func_start EscalatorWarpEffect_1
-EscalatorWarpEffect_1: @ 80847F8
-	push {r4,lr}
-	adds r4, r0, 0
-	bl FreezeObjectEvents
-	bl CameraObjectReset2
-	ldrb r0, [r4, 0xA]
-	bl StartEscalator
-	movs r0, 0x1
-	bl sub_81128BC
-	ldrh r0, [r4, 0x8]
-	adds r0, 0x1
-	strh r0, [r4, 0x8]
-	movs r0, 0
-	pop {r4}
-	pop {r1}
-	bx r1
-	thumb_func_end EscalatorWarpEffect_1
-
-	thumb_func_start EscalatorWarpEffect_2
-EscalatorWarpEffect_2: @ 8084820
-	push {r4,r5,lr}
-	adds r5, r0, 0
-	ldr r0, _08084888 @ =gPlayerAvatar
-	ldrb r1, [r0, 0x5]
-	lsls r0, r1, 3
-	adds r0, r1
-	lsls r0, 2
-	ldr r1, _0808488C @ =gObjectEvents
-	adds r4, r0, r1
-	adds r0, r4, 0
-	bl ObjectEventIsMovementOverridden
-	lsls r0, 24
-	cmp r0, 0
-	beq _0808484A
-	adds r0, r4, 0
-	bl ObjectEventClearHeldMovementIfFinished
-	lsls r0, 24
-	cmp r0, 0
-	beq _0808487E
-_0808484A:
-	bl GetPlayerFacingDirection
-	lsls r0, 24
-	lsrs r0, 24
-	bl GetFaceDirectionMovementAction
-	adds r1, r0, 0
-	lsls r1, 24
-	lsrs r1, 24
-	adds r0, r4, 0
-	bl ObjectEventSetHeldMovement
-	ldrh r0, [r5, 0x8]
-	adds r0, 0x1
-	movs r1, 0
-	strh r0, [r5, 0x8]
-	strh r1, [r5, 0xC]
-	strh r1, [r5, 0xE]
-	ldrb r0, [r5, 0xA]
-	cmp r0, 0
-	bne _08084878
-	movs r0, 0x4
-	strh r0, [r5, 0x8]
-_08084878:
-	movs r0, 0x49
-	bl PlaySE
-_0808487E:
-	movs r0, 0
-	pop {r4,r5}
-	pop {r1}
-	bx r1
-	.align 2, 0
-_08084888: .4byte gPlayerAvatar
-_0808488C: .4byte gObjectEvents
-	thumb_func_end EscalatorWarpEffect_2
-
-	thumb_func_start EscalatorWarpEffect_3
-EscalatorWarpEffect_3: @ 8084890
-	push {r4,lr}
-	adds r4, r0, 0
-	bl sub_80848F8
-	movs r1, 0xC
-	ldrsh r0, [r4, r1]
-	cmp r0, 0x3
-	ble _080848AA
-	bl sub_8084990
-	ldrh r0, [r4, 0x8]
-	adds r0, 0x1
-	strh r0, [r4, 0x8]
-_080848AA:
-	movs r0, 0
-	pop {r4}
-	pop {r1}
-	bx r1
-	thumb_func_end EscalatorWarpEffect_3
-
-	thumb_func_start EscalatorWarpEffect_4
-EscalatorWarpEffect_4: @ 80848B4
-	push {lr}
-	bl sub_80848F8
-	bl sub_80849A0
-	movs r0, 0
-	pop {r1}
-	bx r1
-	thumb_func_end EscalatorWarpEffect_4
-
-	thumb_func_start EscalatorWarpEffect_5
-EscalatorWarpEffect_5: @ 80848C4
-	push {r4,lr}
-	adds r4, r0, 0
-	bl sub_8084944
-	movs r1, 0xC
-	ldrsh r0, [r4, r1]
-	cmp r0, 0x3
-	ble _080848DE
-	bl sub_8084990
-	ldrh r0, [r4, 0x8]
-	adds r0, 0x1
-	strh r0, [r4, 0x8]
-_080848DE:
-	movs r0, 0
-	pop {r4}
-	pop {r1}
-	bx r1
-	thumb_func_end EscalatorWarpEffect_5
-
-	thumb_func_start EscalatorWarpEffect_6
-EscalatorWarpEffect_6: @ 80848E8
-	push {lr}
-	bl sub_8084944
-	bl sub_80849A0
-	movs r0, 0
-	pop {r1}
-	bx r1
-	thumb_func_end EscalatorWarpEffect_6
-
-	thumb_func_start sub_80848F8
-sub_80848F8: @ 80848F8
-	push {r4,r5,lr}
-	adds r5, r0, 0
-	ldr r0, _0808493C @ =gPlayerAvatar
-	ldrb r0, [r0, 0x4]
-	lsls r4, r0, 4
-	adds r4, r0
-	lsls r4, 2
-	ldr r0, _08084940 @ =gSprites
-	adds r4, r0
-	movs r0, 0xC
-	ldrsh r1, [r5, r0]
-	movs r0, 0x84
-	bl Cos
-	strh r0, [r4, 0x24]
-	movs r0, 0xC
-	ldrsh r1, [r5, r0]
-	movs r0, 0x94
-	bl Sin
-	strh r0, [r4, 0x26]
-	ldrh r0, [r5, 0xE]
-	adds r0, 0x1
-	strh r0, [r5, 0xE]
-	movs r1, 0x1
-	ands r0, r1
-	cmp r0, 0
-	beq _08084936
-	ldrh r0, [r5, 0xC]
-	adds r0, 0x1
-	strh r0, [r5, 0xC]
-_08084936:
-	pop {r4,r5}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_0808493C: .4byte gPlayerAvatar
-_08084940: .4byte gSprites
-	thumb_func_end sub_80848F8
-
-	thumb_func_start sub_8084944
-sub_8084944: @ 8084944
-	push {r4,r5,lr}
-	adds r5, r0, 0
-	ldr r0, _08084988 @ =gPlayerAvatar
-	ldrb r0, [r0, 0x4]
-	lsls r4, r0, 4
-	adds r4, r0
-	lsls r4, 2
-	ldr r0, _0808498C @ =gSprites
-	adds r4, r0
-	movs r0, 0xC
-	ldrsh r1, [r5, r0]
-	movs r0, 0x7C
-	bl Cos
-	strh r0, [r4, 0x24]
-	movs r0, 0xC
-	ldrsh r1, [r5, r0]
-	movs r0, 0x76
-	bl Sin
-	strh r0, [r4, 0x26]
-	ldrh r0, [r5, 0xE]
-	adds r0, 0x1
-	strh r0, [r5, 0xE]
-	movs r1, 0x1
-	ands r0, r1
-	cmp r0, 0
-	beq _08084982
-	ldrh r0, [r5, 0xC]
-	adds r0, 0x1
-	strh r0, [r5, 0xC]
-_08084982:
-	pop {r4,r5}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_08084988: .4byte gPlayerAvatar
-_0808498C: .4byte gSprites
-	thumb_func_end sub_8084944
-
-	thumb_func_start sub_8084990
-sub_8084990: @ 8084990
-	push {lr}
-	bl sub_8055F88
-	bl sub_807DC18
-	pop {r0}
-	bx r0
-	thumb_func_end sub_8084990
-
-	thumb_func_start sub_80849A0
-sub_80849A0: @ 80849A0
-	push {lr}
-	ldr r0, _080849E0 @ =gPaletteFade
-	ldrb r1, [r0, 0x7]
-	movs r0, 0x80
-	ands r0, r1
-	cmp r0, 0
-	bne _080849DC
-	bl BGMusicStopped
-	lsls r0, 24
-	lsrs r0, 24
-	cmp r0, 0x1
-	bne _080849DC
-	bl StopEscalator
-	bl WarpIntoMap
-	ldr r1, _080849E4 @ =gFieldCallback
-	ldr r0, _080849E8 @ =sub_80849F4
-	str r0, [r1]
-	ldr r0, _080849EC @ =CB2_LoadMap
-	bl SetMainCallback2
-	ldr r0, _080849F0 @ =Task_EscalatorWarpFieldEffect
-	bl FindTaskIdByFunc
-	lsls r0, 24
-	lsrs r0, 24
-	bl DestroyTask
-_080849DC:
-	pop {r0}
-	bx r0
-	.align 2, 0
-_080849E0: .4byte gPaletteFade
-_080849E4: .4byte gFieldCallback
-_080849E8: .4byte sub_80849F4
-_080849EC: .4byte CB2_LoadMap
-_080849F0: .4byte Task_EscalatorWarpFieldEffect
-	thumb_func_end sub_80849A0
-
-	thumb_func_start sub_80849F4
-sub_80849F4: @ 80849F4
-	push {lr}
-	bl Overworld_PlaySpecialMapMusic
-	bl pal_fill_for_maplights
-	bl sub_8111CF0
-	bl ScriptContext2_Enable
-	bl FreezeObjectEvents
-	ldr r0, _08084A1C @ =sub_8084A24
-	movs r1, 0
-	bl CreateTask
-	ldr r1, _08084A20 @ =gFieldCallback
-	movs r0, 0
-	str r0, [r1]
-	pop {r0}
-	bx r0
-	.align 2, 0
-_08084A1C: .4byte sub_8084A24
-_08084A20: .4byte gFieldCallback
-	thumb_func_end sub_80849F4
-
-	thumb_func_start sub_8084A24
-sub_8084A24: @ 8084A24
-	push {r4,r5,lr}
-	lsls r0, 24
-	lsrs r0, 24
-	lsls r1, r0, 2
-	adds r1, r0
-	lsls r1, 3
-	ldr r0, _08084A54 @ =gTasks
-	adds r4, r1, r0
-	ldr r5, _08084A58 @ =gUnknown_83CC068
-_08084A36:
-	movs r1, 0x8
-	ldrsh r0, [r4, r1]
-	lsls r0, 2
-	adds r0, r5
-	ldr r1, [r0]
-	adds r0, r4, 0
-	bl _call_via_r1
-	lsls r0, 24
-	cmp r0, 0
-	bne _08084A36
-	pop {r4,r5}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_08084A54: .4byte gTasks
-_08084A58: .4byte gUnknown_83CC068
-	thumb_func_end sub_8084A24
-
-	thumb_func_start sub_8084A5C
-sub_8084A5C: @ 8084A5C
-	push {r4,r5,lr}
-	sub sp, 0x4
-	adds r5, r0, 0
-	bl CameraObjectReset2
-	ldr r0, _08084ABC @ =gPlayerAvatar
-	ldrb r0, [r0, 0x5]
-	lsls r4, r0, 3
-	adds r4, r0
-	lsls r4, 2
-	ldr r0, _08084AC0 @ =gObjectEvents
-	adds r4, r0
-	movs r0, 0x4
-	bl GetFaceDirectionMovementAction
-	adds r1, r0, 0
-	lsls r1, 24
-	lsrs r1, 24
-	adds r0, r4, 0
-	bl ObjectEventSetHeldMovement
-	mov r4, sp
-	adds r4, 0x2
-	mov r0, sp
-	adds r1, r4, 0
-	bl PlayerGetDestCoords
-	mov r0, sp
-	movs r1, 0
-	ldrsh r0, [r0, r1]
-	movs r2, 0
-	ldrsh r1, [r4, r2]
-	bl MapGridGetMetatileBehaviorAt
-	lsls r0, 24
-	lsrs r1, r0, 24
-	ldrh r0, [r5, 0x8]
-	adds r0, 0x1
-	strh r0, [r5, 0x8]
-	movs r0, 0x10
-	strh r0, [r5, 0xA]
-	cmp r1, 0x6B
-	bne _08084AC4
-	movs r1, 0x1
-	movs r0, 0x3
-	strh r0, [r5, 0x8]
-	b _08084AC6
-	.align 2, 0
-_08084ABC: .4byte gPlayerAvatar
-_08084AC0: .4byte gObjectEvents
-_08084AC4:
-	movs r1, 0
-_08084AC6:
-	adds r0, r1, 0
-	bl StartEscalator
-	movs r0, 0x1
-	add sp, 0x4
-	pop {r4,r5}
-	pop {r1}
-	bx r1
-	thumb_func_end sub_8084A5C
-
-	thumb_func_start sub_8084AD8
-sub_8084AD8: @ 8084AD8
-	push {r4,r5,lr}
-	adds r5, r0, 0
-	ldr r0, _08084B10 @ =gPlayerAvatar
-	ldrb r0, [r0, 0x4]
-	lsls r4, r0, 4
-	adds r4, r0
-	lsls r4, 2
-	ldr r0, _08084B14 @ =gSprites
-	adds r4, r0
-	movs r0, 0xA
-	ldrsh r1, [r5, r0]
-	movs r0, 0x84
-	bl Cos
-	strh r0, [r4, 0x24]
-	movs r0, 0xA
-	ldrsh r1, [r5, r0]
-	movs r0, 0x94
-	bl Sin
-	strh r0, [r4, 0x26]
-	ldrh r0, [r5, 0x8]
-	adds r0, 0x1
-	strh r0, [r5, 0x8]
-	movs r0, 0
-	pop {r4,r5}
-	pop {r1}
-	bx r1
-	.align 2, 0
-_08084B10: .4byte gPlayerAvatar
-_08084B14: .4byte gSprites
-	thumb_func_end sub_8084AD8
-
-	thumb_func_start sub_8084B18
-sub_8084B18: @ 8084B18
-	push {r4,r5,lr}
-	adds r4, r0, 0
-	ldr r0, _08084B70 @ =gPlayerAvatar
-	ldrb r1, [r0, 0x4]
-	lsls r0, r1, 4
-	adds r0, r1
-	lsls r0, 2
-	ldr r1, _08084B74 @ =gSprites
-	adds r5, r0, r1
-	movs r0, 0xA
-	ldrsh r1, [r4, r0]
-	movs r0, 0x84
-	bl Cos
-	strh r0, [r5, 0x24]
-	movs r0, 0xA
-	ldrsh r1, [r4, r0]
-	movs r0, 0x94
-	bl Sin
-	strh r0, [r5, 0x26]
-	ldrh r0, [r4, 0xC]
-	adds r0, 0x1
-	strh r0, [r4, 0xC]
-	movs r1, 0x1
-	ands r0, r1
-	cmp r0, 0
-	beq _08084B56
-	ldrh r0, [r4, 0xA]
-	subs r0, 0x1
-	strh r0, [r4, 0xA]
-_08084B56:
-	movs r1, 0xA
-	ldrsh r0, [r4, r1]
-	cmp r0, 0
-	bne _08084B66
-	strh r0, [r5, 0x24]
-	strh r0, [r5, 0x26]
-	movs r0, 0x5
-	strh r0, [r4, 0x8]
-_08084B66:
-	movs r0, 0
-	pop {r4,r5}
-	pop {r1}
-	bx r1
-	.align 2, 0
-_08084B70: .4byte gPlayerAvatar
-_08084B74: .4byte gSprites
-	thumb_func_end sub_8084B18
-
-	thumb_func_start sub_8084B78
-sub_8084B78: @ 8084B78
-	push {r4,r5,lr}
-	adds r5, r0, 0
-	ldr r0, _08084BB0 @ =gPlayerAvatar
-	ldrb r0, [r0, 0x4]
-	lsls r4, r0, 4
-	adds r4, r0
-	lsls r4, 2
-	ldr r0, _08084BB4 @ =gSprites
-	adds r4, r0
-	movs r0, 0xA
-	ldrsh r1, [r5, r0]
-	movs r0, 0x7C
-	bl Cos
-	strh r0, [r4, 0x24]
-	movs r0, 0xA
-	ldrsh r1, [r5, r0]
-	movs r0, 0x76
-	bl Sin
-	strh r0, [r4, 0x26]
-	ldrh r0, [r5, 0x8]
-	adds r0, 0x1
-	strh r0, [r5, 0x8]
-	movs r0, 0
-	pop {r4,r5}
-	pop {r1}
-	bx r1
-	.align 2, 0
-_08084BB0: .4byte gPlayerAvatar
-_08084BB4: .4byte gSprites
-	thumb_func_end sub_8084B78
-
-	thumb_func_start sub_8084BB8
-sub_8084BB8: @ 8084BB8
-	push {r4,r5,lr}
-	adds r4, r0, 0
-	ldr r0, _08084C10 @ =gPlayerAvatar
-	ldrb r1, [r0, 0x4]
-	lsls r0, r1, 4
-	adds r0, r1
-	lsls r0, 2
-	ldr r1, _08084C14 @ =gSprites
-	adds r5, r0, r1
-	movs r0, 0xA
-	ldrsh r1, [r4, r0]
-	movs r0, 0x7C
-	bl Cos
-	strh r0, [r5, 0x24]
-	movs r0, 0xA
-	ldrsh r1, [r4, r0]
-	movs r0, 0x76
-	bl Sin
-	strh r0, [r5, 0x26]
-	ldrh r0, [r4, 0xC]
-	adds r0, 0x1
-	strh r0, [r4, 0xC]
-	movs r1, 0x1
-	ands r0, r1
-	cmp r0, 0
-	beq _08084BF6
-	ldrh r0, [r4, 0xA]
-	subs r0, 0x1
-	strh r0, [r4, 0xA]
-_08084BF6:
-	movs r1, 0xA
-	ldrsh r0, [r4, r1]
-	cmp r0, 0
-	bne _08084C08
-	strh r0, [r5, 0x24]
-	strh r0, [r5, 0x26]
-	ldrh r0, [r4, 0x8]
-	adds r0, 0x1
-	strh r0, [r4, 0x8]
-_08084C08:
-	movs r0, 0
-	pop {r4,r5}
-	pop {r1}
-	bx r1
-	.align 2, 0
-_08084C10: .4byte gPlayerAvatar
-_08084C14: .4byte gSprites
-	thumb_func_end sub_8084BB8
-
-	thumb_func_start sub_8084C18
-sub_8084C18: @ 8084C18
-	push {r4,lr}
-	adds r4, r0, 0
-	bl IsEscalatorMoving
-	lsls r0, 24
-	cmp r0, 0
-	bne _08084C34
-	bl StopEscalator
-	ldrh r0, [r4, 0x8]
-	adds r0, 0x1
-	strh r0, [r4, 0x8]
-	movs r0, 0x1
-	b _08084C36
-_08084C34:
-	movs r0, 0
-_08084C36:
-	pop {r4}
-	pop {r1}
-	bx r1
-	thumb_func_end sub_8084C18
-
-	thumb_func_start sub_8084C3C
-sub_8084C3C: @ 8084C3C
-	push {r4,lr}
-	ldr r0, _08084C94 @ =gPlayerAvatar
-	ldrb r1, [r0, 0x5]
-	lsls r0, r1, 3
-	adds r0, r1
-	lsls r0, 2
-	ldr r1, _08084C98 @ =gObjectEvents
-	adds r4, r0, r1
-	adds r0, r4, 0
-	bl ObjectEventClearHeldMovementIfFinished
-	lsls r0, 24
-	cmp r0, 0
-	beq _08084C8A
-	bl CameraObjectReset1
-	bl ScriptContext2_Disable
-	bl UnfreezeObjectEvents
-	movs r0, 0x4
-	bl GetWalkNormalMovementAction
-	adds r1, r0, 0
-	lsls r1, 24
-	lsrs r1, 24
-	adds r0, r4, 0
-	bl ObjectEventSetHeldMovement
-	ldr r0, _08084C9C @ =sub_8084A24
-	bl FindTaskIdByFunc
-	lsls r0, 24
-	lsrs r0, 24
-	bl DestroyTask
-	movs r0, 0x2
-	bl sub_81128BC
-_08084C8A:
-	movs r0, 0
-	pop {r4}
-	pop {r1}
-	bx r1
-	.align 2, 0
-_08084C94: .4byte gPlayerAvatar
-_08084C98: .4byte gObjectEvents
-_08084C9C: .4byte sub_8084A24
-	thumb_func_end sub_8084C3C
-
 	thumb_func_start FldEff_UseWaterfall
 FldEff_UseWaterfall: @ 8084CA0
 	push {r4,lr}
@@ -1304,8 +640,8 @@ _08085144:
 LavaridgeGymB1FWarpEffect_5: @ 808514C
 	push {r4,lr}
 	adds r4, r0, 0
-	bl sub_8055F88
-	bl sub_807DC18
+	bl TryFadeOutOldMapMusic
+	bl WarpFadeOutScreen
 	ldrh r0, [r4, 0x8]
 	adds r0, 0x1
 	strh r0, [r4, 0x8]
@@ -1808,8 +1144,8 @@ LavaridgeGym1FWarpEffect_4: @ 8085524
 	lsls r0, 24
 	cmp r0, 0
 	bne _08085542
-	bl sub_8055F88
-	bl sub_807DC18
+	bl TryFadeOutOldMapMusic
+	bl WarpFadeOutScreen
 	ldrh r0, [r4, 0x8]
 	adds r0, 0x1
 	strh r0, [r4, 0x8]
@@ -2032,8 +1368,8 @@ _080856DC:
 	bl sub_80857F0
 	cmp r0, 0
 	bne _08085702
-	bl sub_8055F88
-	bl sub_807DC18
+	bl TryFadeOutOldMapMusic
+	bl WarpFadeOutScreen
 	movs r0, 0x1
 	strh r0, [r4, 0x8]
 _08085702:
@@ -2823,8 +2159,8 @@ _08085D04:
 	ldrh r0, [r4, 0x8]
 	adds r0, 0x1
 	strh r0, [r4, 0x8]
-	bl sub_8055F88
-	bl sub_807DC18
+	bl TryFadeOutOldMapMusic
+	bl WarpFadeOutScreen
 _08085D1A:
 	add sp, 0x8
 	pop {r4,r5}
@@ -5376,7 +4712,7 @@ sub_8087118: @ 8087118
 	lsls r0, 24
 	cmp r0, 0
 	beq _08087132
-	bl sub_807DC18
+	bl WarpFadeOutScreen
 	ldrh r0, [r4, 0x8]
 	adds r0, 0x1
 	strh r0, [r4, 0x8]
diff --git a/asm/overworld.s b/asm/overworld.s
index 930b94de1..d8b87c987 100644
--- a/asm/overworld.s
+++ b/asm/overworld.s
@@ -2611,8 +2611,8 @@ _08055F82:
 	bx r1
 	thumb_func_end GetMapMusicFadeoutSpeed
 
-	thumb_func_start sub_8055F88
-sub_8055F88: @ 8055F88
+	thumb_func_start TryFadeOutOldMapMusic
+TryFadeOutOldMapMusic: @ 8055F88
 	push {r4,lr}
 	bl sub_8055DA4
 	lsls r0, 16
@@ -2638,7 +2638,7 @@ _08055FB8:
 	bx r0
 	.align 2, 0
 _08055FC0: .4byte 0x00004001
-	thumb_func_end sub_8055F88
+	thumb_func_end TryFadeOutOldMapMusic
 
 	thumb_func_start BGMusicStopped
 BGMusicStopped: @ 8055FC4
diff --git a/data/field_effect.s b/data/field_effect.s
index 3e5eba818..d6ae15de2 100644
--- a/data/field_effect.s
+++ b/data/field_effect.s
@@ -7,25 +7,6 @@
 	.align 2
 
 	.align 2
-sEscalatorWarpFieldEffectFuncs:: @ 83CC050 dataptr
-	.4byte EscalatorWarpEffect_1
-	.4byte EscalatorWarpEffect_2
-	.4byte EscalatorWarpEffect_3
-	.4byte EscalatorWarpEffect_4
-	.4byte EscalatorWarpEffect_5
-	.4byte EscalatorWarpEffect_6
-
-	.align 2
-gUnknown_83CC068:: @ 83CC068 dataptr
-	.4byte sub_8084A5C
-	.4byte sub_8084AD8
-	.4byte sub_8084B18
-	.4byte sub_8084B78
-	.4byte sub_8084BB8
-	.4byte sub_8084C18
-	.4byte sub_8084C3C
-
-	.align 2
 sUseWaterfallFieldEffectFuncs:: @ 83CC084 dataptr
 	.4byte waterfall_0_setup
 	.4byte waterfall_1_do_anim_probably
diff --git a/include/field_effect.h b/include/field_effect.h
index 7e980bd22..3c92afb6a 100644
--- a/include/field_effect.h
+++ b/include/field_effect.h
@@ -17,7 +17,7 @@ void StartEscapeRopeFieldEffect(void);
 void FieldEffectStop(struct Sprite *sprite, u8 id);
 u8 CreateTrainerSprite(u8 trainerSpriteID, s16 x, s16 y, u8 subpriority, u8 *buffer);
 void FieldCB_FallWarpExit(void);
-void StartEscalatorWarp(u8 a0, u8 a1);
+void StartEscalatorWarp(u8 metatileBehavior, u8 priority);
 void StartLavaridgeGymB1FWarp(u8 a0);
 void StartLavaridgeGym1FWarp(u8 a0);
 void sub_8083598(u8 a0);
diff --git a/include/field_fadetransition.h b/include/field_fadetransition.h
index 70aa7d023..c23f201dc 100644
--- a/include/field_fadetransition.h
+++ b/include/field_fadetransition.h
@@ -12,7 +12,7 @@ void DoFallWarp(void);
 void sub_807E59C(void);
 void sub_807E500(void);
 void sub_807DF64(void);
-void sub_807DC18(void);
+void WarpFadeOutScreen(void);
 void FieldCallback_ReturnToEventScript2(void);
 void FadeInFromBlack(void);
 void FadeTransition_FadeInOnReturnToStartMenu(void);
diff --git a/include/overworld.h b/include/overworld.h
index 8fdbfabe3..754094907 100644
--- a/include/overworld.h
+++ b/include/overworld.h
@@ -155,7 +155,7 @@ u8 GetCurrentMapType(void);
 
 u8 get_map_light_from_warp0(void);
 const struct MapHeader *warp1_get_mapheader(void);
-void sub_8055F88(void);
+void TryFadeOutOldMapMusic(void);
 void CB2_ReturnToFieldCableClub(void);
 void ResetGameStats(void);
 
diff --git a/include/quest_log.h b/include/quest_log.h
index 752cb3921..016a94267 100644
--- a/include/quest_log.h
+++ b/include/quest_log.h
@@ -50,5 +50,6 @@ void QuestLogSetFlagOrVar(bool8 isFlag, u16 idx, u16 value);
 void sub_8110840(void *oldSave);
 void sub_8112F18(u8 windowId);
 bool8 sub_8111C2C(void);
+void sub_81128BC(u8 a0);
 
 #endif //GUARD_QUEST_LOG_H
diff --git a/include/special_field_anim.h b/include/special_field_anim.h
index d21c932bf..37c31f97b 100644
--- a/include/special_field_anim.h
+++ b/include/special_field_anim.h
@@ -3,7 +3,7 @@
 
 #include "global.h"
 
-void StartEscalator(u8 a0);
+void StartEscalator(bool8 goingUp);
 void StopEscalator(void);
 bool8 IsEscalatorMoving(void);
 
diff --git a/src/field_effect.c b/src/field_effect.c
index a8102c1d9..a35fbfe7f 100644
--- a/src/field_effect.c
+++ b/src/field_effect.c
@@ -16,8 +16,11 @@
 #include "party_menu.h"
 #include "quest_log.h"
 #include "script.h"
+#include "special_field_anim.h"
 #include "task.h"
 #include "trainer_pokemon_sprites.h"
+#include "trig.h"
+#include "constants/metatile_behaviors.h"
 #include "constants/songs.h"
 
 #define subsprite_table(ptr) {.subsprites = ptr, .subspriteCount = (sizeof ptr) / (sizeof(struct Subsprite))}
@@ -402,7 +405,7 @@ u32 FieldEffectScript_ReadWord(const u8 **script)
 
 void FieldEffectScript_LoadTiles(const u8 **script)
 {
-    const struct SpriteSheet * spriteSheet = (const struct SpriteSheet *)FieldEffectScript_ReadWord(script);
+    const struct SpriteSheet * spriteSheet = (const struct SpriteSheet * )FieldEffectScript_ReadWord(script);
     if (GetSpriteTileStartByTag(spriteSheet->tag) == 0xFFFF)
         LoadSpriteSheet(spriteSheet);
     *script += sizeof(u32);
@@ -432,7 +435,7 @@ void sub_8083598(u8 paletteIdx)
 
 void FieldEffectScript_LoadFadedPal(const u8 **script)
 {
-    const struct SpritePalette * spritePalette = (const struct SpritePalette *)FieldEffectScript_ReadWord(script);
+    const struct SpritePalette * spritePalette = (const struct SpritePalette * )FieldEffectScript_ReadWord(script);
     u8 idx = IndexOfSpritePaletteTag(spritePalette->tag);
     LoadSpritePalette(spritePalette);
     if (idx == 0xFF)
@@ -443,7 +446,7 @@ void FieldEffectScript_LoadFadedPal(const u8 **script)
 
 void FieldEffectScript_LoadPal(const u8 **script)
 {
-    const struct SpritePalette * spritePalette = (const struct SpritePalette *)FieldEffectScript_ReadWord(script);
+    const struct SpritePalette * spritePalette = (const struct SpritePalette * )FieldEffectScript_ReadWord(script);
     u8 idx = IndexOfSpritePaletteTag(spritePalette->tag);
     LoadSpritePalette(spritePalette);
     if (idx != 0xFF)
@@ -588,7 +591,7 @@ u8 CreateMonSprite_PicBox(u16 species, s16 x, s16 y, u8 subpriority)
 
 u8 CreateMonSprite_FieldMove(u16 species, u32 d, u32 g, s16 x, s16 y, u8 subpriority)
 {
-    const struct CompressedSpritePalette *spritePalette = GetMonSpritePalStructFromOtIdPersonality(species, d, g);
+    const struct CompressedSpritePalette * spritePalette = GetMonSpritePalStructFromOtIdPersonality(species, d, g);
     u16 spriteId = CreateMonPicSprite_HandleDeoxys(species, d, g, 1, x, y, 0, spritePalette->tag);
     PreservePaletteInWeather(IndexOfSpritePaletteTag(spritePalette->tag) + 0x10);
     if (spriteId == 0xFFFF)
@@ -597,7 +600,7 @@ u8 CreateMonSprite_FieldMove(u16 species, u32 d, u32 g, s16 x, s16 y, u8 subprio
         return spriteId;
 }
 
-void FreeResourcesAndDestroySprite(struct Sprite *sprite, u8 spriteId)
+void FreeResourcesAndDestroySprite(struct Sprite * sprite, u8 spriteId)
 {
     ResetPreservedPalettesInWeather();
     if (sprite->oam.affineMode != ST_OAM_AFFINE_OFF)
@@ -671,21 +674,21 @@ void PokeballGlowEffect_7(struct Sprite * sprite);
 u8 PokecenterHealEffectHelper(s32 x, s32 y);
 void HallOfFameRecordEffectHelper(s32 x, s32 y);
 
-void (*const sPokecenterHealTaskCBTable[])(struct Task *) = {
+void (*const sPokecenterHealTaskCBTable[])(struct Task * ) = {
     PokecenterHealEffect_0,
     PokecenterHealEffect_1,
     PokecenterHealEffect_2,
     PokecenterHealEffect_3
 };
 
-void (*const sHallOfFameRecordTaskCBTable[])(struct Task *) = {
+void (*const sHallOfFameRecordTaskCBTable[])(struct Task * ) = {
     HallOfFameRecordEffect_0,
     HallOfFameRecordEffect_1,
     HallOfFameRecordEffect_2,
     HallOfFameRecordEffect_3
 };
 
-void (*const sPokeballGlowSpriteCBTable[])(struct Sprite *) = {
+void (*const sPokeballGlowSpriteCBTable[])(struct Sprite * ) = {
     PokeballGlowEffect_0,
     PokeballGlowEffect_1,
     PokeballGlowEffect_2,
@@ -699,7 +702,7 @@ void (*const sPokeballGlowSpriteCBTable[])(struct Sprite *) = {
 bool8 FldEff_PokecenterHeal(void)
 {
     u8 nPokemon;
-    struct Task *task;
+    struct Task * task;
 
     nPokemon = CalculatePlayerPartyCount();
     task = &gTasks[CreateTask(Task_PokecenterHeal, 0xff)];
@@ -717,14 +720,14 @@ void Task_PokecenterHeal(u8 taskId)
     sPokecenterHealTaskCBTable[task->data[0]](task);
 }
 
-void PokecenterHealEffect_0(struct Task *task)
+void PokecenterHealEffect_0(struct Task * task)
 {
     task->data[0]++;
     task->data[6] = CreatePokeballGlowSprite(task->data[1], task->data[2], task->data[3], TRUE);
     task->data[7] = PokecenterHealEffectHelper(task->data[4], task->data[5]);
 }
 
-void PokecenterHealEffect_1(struct Task *task)
+void PokecenterHealEffect_1(struct Task * task)
 {
     if (gSprites[task->data[6]].data[0] > 1)
     {
@@ -733,7 +736,7 @@ void PokecenterHealEffect_1(struct Task *task)
     }
 }
 
-void PokecenterHealEffect_2(struct Task *task)
+void PokecenterHealEffect_2(struct Task * task)
 {
     if (gSprites[task->data[6]].data[0] > 4)
     {
@@ -741,7 +744,7 @@ void PokecenterHealEffect_2(struct Task *task)
     }
 }
 
-void PokecenterHealEffect_3(struct Task *task)
+void PokecenterHealEffect_3(struct Task * task)
 {
     if (gSprites[task->data[6]].data[0] > 6)
     {
@@ -755,7 +758,7 @@ void PokecenterHealEffect_3(struct Task *task)
 bool8 FldEff_HallOfFameRecord(void)
 {
     u8 nPokemon;
-    struct Task *task;
+    struct Task * task;
 
     nPokemon = CalculatePlayerPartyCount();
     task = &gTasks[CreateTask(Task_HallOfFameRecord, 0xff)];
@@ -767,19 +770,19 @@ bool8 FldEff_HallOfFameRecord(void)
 
 void Task_HallOfFameRecord(u8 taskId)
 {
-    struct Task *task;
+    struct Task * task;
     task = &gTasks[taskId];
     sHallOfFameRecordTaskCBTable[task->data[0]](task);
 }
 
-void HallOfFameRecordEffect_0(struct Task *task)
+void HallOfFameRecordEffect_0(struct Task * task)
 {
     u8 taskId;
     task->data[0]++;
     task->data[6] = CreatePokeballGlowSprite(task->data[1], task->data[2], task->data[3], FALSE);
 }
 
-void HallOfFameRecordEffect_1(struct Task *task)
+void HallOfFameRecordEffect_1(struct Task * task)
 {
     if (gSprites[task->data[6]].data[0] > 1)
     {
@@ -789,7 +792,7 @@ void HallOfFameRecordEffect_1(struct Task *task)
     }
 }
 
-void HallOfFameRecordEffect_2(struct Task *task)
+void HallOfFameRecordEffect_2(struct Task * task)
 {
     if (gSprites[task->data[6]].data[0] > 4)
     {
@@ -797,7 +800,7 @@ void HallOfFameRecordEffect_2(struct Task *task)
     }
 }
 
-void HallOfFameRecordEffect_3(struct Task *task)
+void HallOfFameRecordEffect_3(struct Task * task)
 {
     if (gSprites[task->data[6]].data[0] > 6)
     {
@@ -810,7 +813,7 @@ void HallOfFameRecordEffect_3(struct Task *task)
 u8 CreatePokeballGlowSprite(s16 duration, s16 x, s16 y, bool16 fanfare)
 {
     u8 spriteId;
-    struct Sprite *sprite;
+    struct Sprite * sprite;
     spriteId = CreateInvisibleSprite(SpriteCB_PokeballGlowEffect);
     sprite = &gSprites[spriteId];
     sprite->pos2.x = x;
@@ -840,7 +843,7 @@ const u8 gUnknown_83CC028[] = {16, 12,  8,  0};
 const u8 gUnknown_83CC02C[] = {16, 12,  8,  0};
 const u8 gUnknown_83CC030[] = { 0,  0,  0,  0};
 
-void PokeballGlowEffect_0(struct Sprite *sprite)
+void PokeballGlowEffect_0(struct Sprite * sprite)
 {
     u8 endSpriteId;
     if (sprite->data[1] == 0 || (--sprite->data[1]) == 0)
@@ -860,7 +863,7 @@ void PokeballGlowEffect_0(struct Sprite *sprite)
     }
 }
 
-void PokeballGlowEffect_1(struct Sprite *sprite)
+void PokeballGlowEffect_1(struct Sprite * sprite)
 {
     if ((--sprite->data[1]) == 0)
     {
@@ -875,7 +878,7 @@ void PokeballGlowEffect_1(struct Sprite *sprite)
     }
 }
 
-void PokeballGlowEffect_2(struct Sprite *sprite)
+void PokeballGlowEffect_2(struct Sprite * sprite)
 {
     u8 phase;
     if ((--sprite->data[1]) == 0)
@@ -905,7 +908,7 @@ void PokeballGlowEffect_2(struct Sprite *sprite)
     }
 }
 
-void PokeballGlowEffect_3(struct Sprite *sprite)
+void PokeballGlowEffect_3(struct Sprite * sprite)
 {
     u8 phase;
     if ((--sprite->data[1]) == 0)
@@ -927,7 +930,7 @@ void PokeballGlowEffect_3(struct Sprite *sprite)
     MultiplyInvertedPaletteRGBComponents((IndexOfSpritePaletteTag(0x1007) << 4) + 0x103, gUnknown_83CC028[phase], gUnknown_83CC02C[phase], gUnknown_83CC030[phase]);
 }
 
-void PokeballGlowEffect_4(struct Sprite *sprite)
+void PokeballGlowEffect_4(struct Sprite * sprite)
 {
     if ((--sprite->data[1]) == 0)
     {
@@ -935,12 +938,12 @@ void PokeballGlowEffect_4(struct Sprite *sprite)
     }
 }
 
-void PokeballGlowEffect_5(struct Sprite *sprite)
+void PokeballGlowEffect_5(struct Sprite * sprite)
 {
     sprite->data[0]++;
 }
 
-void PokeballGlowEffect_6(struct Sprite *sprite)
+void PokeballGlowEffect_6(struct Sprite * sprite)
 {
     if (sprite->data[5] == 0 || IsFanfareTaskInactive())
     {
@@ -948,7 +951,7 @@ void PokeballGlowEffect_6(struct Sprite *sprite)
     }
 }
 
-void PokeballGlowEffect_7(struct Sprite *sprite)
+void PokeballGlowEffect_7(struct Sprite * sprite)
 {
 }
 
@@ -1053,7 +1056,7 @@ void FieldCallback_FlyArrive(void)
 
 void Task_FlyIn(u8 taskId)
 {
-    struct Task *task;
+    struct Task * task;
     task = &gTasks[taskId];
     if (task->data[0] == 0)
     {
@@ -1109,10 +1112,10 @@ void Task_FallWarpFieldEffect(u8 taskId)
         ;
 }
 
-bool8 FallWarpEffect_1(struct Task *task)
+bool8 FallWarpEffect_1(struct Task * task)
 {
-    struct ObjectEvent *playerObject;
-    struct Sprite *playerSprite;
+    struct ObjectEvent * playerObject;
+    struct Sprite * playerSprite;
     playerObject = &gObjectEvents[gPlayerAvatar.objectEventId];
     playerSprite = &gSprites[gPlayerAvatar.spriteId];
     CameraObjectReset2();
@@ -1127,7 +1130,7 @@ bool8 FallWarpEffect_1(struct Task *task)
     return TRUE;
 }
 
-bool8 FallWarpEffect_2(struct Task *task)
+bool8 FallWarpEffect_2(struct Task * task)
 {
     if (IsWeatherNotFadingIn())
     {
@@ -1136,9 +1139,9 @@ bool8 FallWarpEffect_2(struct Task *task)
     return FALSE;
 }
 
-bool8 FallWarpEffect_3(struct Task *task)
+bool8 FallWarpEffect_3(struct Task * task)
 {
-    struct Sprite *sprite;
+    struct Sprite * sprite;
     s16 centerToCornerVecY;
     sprite = &gSprites[gPlayerAvatar.spriteId];
     centerToCornerVecY = -(sprite->centerToCornerVecY << 1);
@@ -1151,10 +1154,10 @@ bool8 FallWarpEffect_3(struct Task *task)
     return FALSE;
 }
 
-bool8 FallWarpEffect_4(struct Task *task)
+bool8 FallWarpEffect_4(struct Task * task)
 {
-    struct ObjectEvent *objectEvent;
-    struct Sprite *sprite;
+    struct ObjectEvent * objectEvent;
+    struct Sprite * sprite;
 
     objectEvent = &gObjectEvents[gPlayerAvatar.objectEventId];
     sprite = &gSprites[gPlayerAvatar.spriteId];
@@ -1185,7 +1188,7 @@ bool8 FallWarpEffect_4(struct Task *task)
     return FALSE;
 }
 
-bool8 FallWarpEffect_5(struct Task *task)
+bool8 FallWarpEffect_5(struct Task * task)
 {
     task->data[0]++;
     task->data[1] = 4;
@@ -1194,7 +1197,7 @@ bool8 FallWarpEffect_5(struct Task *task)
     return TRUE;
 }
 
-bool8 FallWarpEffect_6(struct Task *task)
+bool8 FallWarpEffect_6(struct Task * task)
 {
     SetCameraPanning(0, task->data[1]);
     task->data[1] = -task->data[1];
@@ -1210,7 +1213,7 @@ bool8 FallWarpEffect_6(struct Task *task)
     return FALSE;
 }
 
-bool8 FallWarpEffect_7(struct Task *task)
+bool8 FallWarpEffect_7(struct Task * task)
 {
     s16 x, y;
     gPlayerAvatar.preventStep = FALSE;
@@ -1229,3 +1232,299 @@ bool8 FallWarpEffect_7(struct Task *task)
     DestroyTask(FindTaskIdByFunc(Task_FallWarpFieldEffect));
     return FALSE;
 }
+
+void Task_EscalatorWarpFieldEffect(u8 taskId);
+bool8 EscalatorWarpEffect_1(struct Task * task);
+bool8 EscalatorWarpEffect_2(struct Task * task);
+bool8 EscalatorWarpEffect_3(struct Task * task);
+bool8 EscalatorWarpEffect_4(struct Task * task);
+bool8 EscalatorWarpEffect_5(struct Task * task);
+bool8 EscalatorWarpEffect_6(struct Task * task);
+void Escalator_AnimatePlayerGoingDown(struct Task * task);
+void Escalator_AnimatePlayerGoingUp(struct Task * task);
+void Escalator_BeginFadeOutToNewMap(void);
+void Escalator_TransitionToWarpInEffect(void);
+void FieldCB_EscalatorWarpIn(void);
+void Task_EscalatorWarpInFieldEffect(u8 taskId);
+bool8 EscalatorWarpInEffect_1(struct Task * task);
+bool8 EscalatorWarpInEffect_2(struct Task * task);
+bool8 EscalatorWarpInEffect_3(struct Task * task);
+bool8 EscalatorWarpInEffect_4(struct Task * task);
+bool8 EscalatorWarpInEffect_5(struct Task * task);
+bool8 EscalatorWarpInEffect_6(struct Task * task);
+bool8 EscalatorWarpInEffect_7(struct Task * task);
+
+bool8 (*const sEscalatorWarpFieldEffectFuncs[])(struct Task * task) = {
+    EscalatorWarpEffect_1,
+    EscalatorWarpEffect_2,
+    EscalatorWarpEffect_3,
+    EscalatorWarpEffect_4,
+    EscalatorWarpEffect_5,
+    EscalatorWarpEffect_6
+};
+
+bool8 (*const sEscalatorWarpInFieldEffectFuncs[])(struct Task * task) = {
+    EscalatorWarpInEffect_1,
+    EscalatorWarpInEffect_2,
+    EscalatorWarpInEffect_3,
+    EscalatorWarpInEffect_4,
+    EscalatorWarpInEffect_5,
+    EscalatorWarpInEffect_6,
+    EscalatorWarpInEffect_7
+};
+
+void StartEscalatorWarp(u8 metatileBehavior, u8 priority)
+{
+    u8 taskId = CreateTask(Task_EscalatorWarpFieldEffect, priority);
+    gTasks[taskId].data[1] = 0;
+    if (metatileBehavior == MB_UP_ESCALATOR)
+        gTasks[taskId].data[1] = 1;
+}
+
+void Task_EscalatorWarpFieldEffect(u8 taskId)
+{
+    struct Task * task = &gTasks[taskId];
+    while (sEscalatorWarpFieldEffectFuncs[task->data[0]](task))
+        ;
+}
+
+bool8 EscalatorWarpEffect_1(struct Task * task)
+{
+    FreezeObjectEvents();
+    CameraObjectReset2();
+    StartEscalator(task->data[1]);
+    sub_81128BC(1);
+    task->data[0]++;
+    return FALSE;
+}
+
+bool8 EscalatorWarpEffect_2(struct Task * task)
+{
+    struct ObjectEvent * objectEvent;
+    objectEvent = &gObjectEvents[gPlayerAvatar.objectEventId];
+    if (!ObjectEventIsMovementOverridden(objectEvent) || ObjectEventClearHeldMovementIfFinished(objectEvent))
+    {
+        ObjectEventSetHeldMovement(objectEvent, GetFaceDirectionMovementAction(GetPlayerFacingDirection()));
+        task->data[0]++;
+        task->data[2] = 0;
+        task->data[3] = 0;
+        if ((u8)task->data[1] == 0)
+        {
+            task->data[0] = 4;
+        }
+        PlaySE(SE_ESUKA);
+    }
+    return FALSE;
+}
+
+bool8 EscalatorWarpEffect_3(struct Task * task)
+{
+    Escalator_AnimatePlayerGoingDown(task);
+    if (task->data[2] > 3)
+    {
+        Escalator_BeginFadeOutToNewMap();
+        task->data[0]++;
+    }
+    return FALSE;
+}
+
+bool8 EscalatorWarpEffect_4(struct Task * task)
+{
+    Escalator_AnimatePlayerGoingDown(task);
+    Escalator_TransitionToWarpInEffect();
+    return FALSE;
+}
+
+bool8 EscalatorWarpEffect_5(struct Task * task)
+{
+    Escalator_AnimatePlayerGoingUp(task);
+    if (task->data[2] > 3)
+    {
+        Escalator_BeginFadeOutToNewMap();
+        task->data[0]++;
+    }
+    return FALSE;
+}
+
+bool8 EscalatorWarpEffect_6(struct Task * task)
+{
+    Escalator_AnimatePlayerGoingUp(task);
+    Escalator_TransitionToWarpInEffect();
+    return FALSE;
+}
+
+
+void Escalator_AnimatePlayerGoingDown(struct Task *task)
+{
+    struct Sprite *sprite;
+    sprite = &gSprites[gPlayerAvatar.spriteId];
+    sprite->pos2.x = Cos(0x84, task->data[2]);
+    sprite->pos2.y = Sin(0x94, task->data[2]);
+    task->data[3]++;
+    if (task->data[3] & 1)
+    {
+        task->data[2]++;
+    }
+}
+
+void Escalator_AnimatePlayerGoingUp(struct Task *task)
+{
+    struct Sprite *sprite;
+    sprite = &gSprites[gPlayerAvatar.spriteId];
+    sprite->pos2.x = Cos(0x7c, task->data[2]);
+    sprite->pos2.y = Sin(0x76, task->data[2]);
+    task->data[3]++;
+    if (task->data[3] & 1)
+    {
+        task->data[2]++;
+    }
+}
+
+void Escalator_BeginFadeOutToNewMap(void)
+{
+    TryFadeOutOldMapMusic();
+    WarpFadeOutScreen();
+}
+
+void Escalator_TransitionToWarpInEffect(void)
+{
+    if (!gPaletteFade.active && BGMusicStopped() == TRUE)
+    {
+        StopEscalator();
+        WarpIntoMap();
+        gFieldCallback = FieldCB_EscalatorWarpIn;
+        SetMainCallback2(CB2_LoadMap);
+        DestroyTask(FindTaskIdByFunc(Task_EscalatorWarpFieldEffect));
+    }
+}
+
+void FieldCB_EscalatorWarpIn(void)
+{
+    Overworld_PlaySpecialMapMusic();
+    pal_fill_for_maplights();
+    sub_8111CF0();
+    ScriptContext2_Enable();
+    FreezeObjectEvents();
+    CreateTask(Task_EscalatorWarpInFieldEffect, 0);
+    gFieldCallback = NULL;
+}
+
+void Task_EscalatorWarpInFieldEffect(u8 taskId)
+{
+    struct Task * task = &gTasks[taskId];
+    while (sEscalatorWarpInFieldEffectFuncs[task->data[0]](task))
+        ;
+}
+
+bool8 EscalatorWarpInEffect_1(struct Task *task)
+{
+    struct ObjectEvent *objectEvent;
+    s16 x;
+    s16 y;
+    u8 behavior;
+    CameraObjectReset2();
+    objectEvent = &gObjectEvents[gPlayerAvatar.objectEventId];
+    ObjectEventSetHeldMovement(objectEvent, GetFaceDirectionMovementAction(DIR_EAST));
+    PlayerGetDestCoords(&x, &y);
+    behavior = MapGridGetMetatileBehaviorAt(x, y);
+    task->data[0]++;
+    task->data[1] = 16;
+    if (behavior == MB_DOWN_ESCALATOR)
+    {
+        behavior = 1;
+        task->data[0] = 3;
+    } else
+    {
+        behavior = 0;
+    }
+    StartEscalator(behavior);
+    return TRUE;
+}
+
+bool8 EscalatorWarpInEffect_2(struct Task *task)
+{
+    struct Sprite *sprite;
+    sprite = &gSprites[gPlayerAvatar.spriteId];
+    sprite->pos2.x = Cos(0x84, task->data[1]);
+    sprite->pos2.y = Sin(0x94, task->data[1]);
+    task->data[0]++;
+    return FALSE;
+}
+
+bool8 EscalatorWarpInEffect_3(struct Task *task)
+{
+    struct Sprite *sprite;
+    sprite = &gSprites[gPlayerAvatar.spriteId];
+    sprite->pos2.x = Cos(0x84, task->data[1]);
+    sprite->pos2.y = Sin(0x94, task->data[1]);
+    task->data[2]++;
+    if (task->data[2] & 1)
+    {
+        task->data[1]--;
+    }
+    if (task->data[1] == 0)
+    {
+        sprite->pos2.x = 0;
+        sprite->pos2.y = 0;
+        task->data[0] = 5;
+    }
+    return FALSE;
+}
+
+
+bool8 EscalatorWarpInEffect_4(struct Task *task)
+{
+    struct Sprite *sprite;
+    sprite = &gSprites[gPlayerAvatar.spriteId];
+    sprite->pos2.x = Cos(0x7c, task->data[1]);
+    sprite->pos2.y = Sin(0x76, task->data[1]);
+    task->data[0]++;
+    return FALSE;
+}
+
+bool8 EscalatorWarpInEffect_5(struct Task *task)
+{
+    struct Sprite *sprite;
+    sprite = &gSprites[gPlayerAvatar.spriteId];
+    sprite->pos2.x = Cos(0x7c, task->data[1]);
+    sprite->pos2.y = Sin(0x76, task->data[1]);
+    task->data[2]++;
+    if (task->data[2] & 1)
+    {
+        task->data[1]--;
+    }
+    if (task->data[1] == 0)
+    {
+        sprite->pos2.x = 0;
+        sprite->pos2.y = 0;
+        task->data[0]++;
+    }
+    return FALSE;
+}
+
+bool8 EscalatorWarpInEffect_6(struct Task *task)
+{
+    if (IsEscalatorMoving())
+    {
+        return FALSE;
+    }
+    StopEscalator();
+    task->data[0]++;
+    return TRUE;
+}
+
+bool8 EscalatorWarpInEffect_7(struct Task *task)
+{
+    struct ObjectEvent *objectEvent;
+    objectEvent = &gObjectEvents[gPlayerAvatar.objectEventId];
+    if (ObjectEventClearHeldMovementIfFinished(objectEvent))
+    {
+        CameraObjectReset1();
+        ScriptContext2_Disable();
+        UnfreezeObjectEvents();
+        ObjectEventSetHeldMovement(objectEvent, GetWalkNormalMovementAction(DIR_EAST));
+        DestroyTask(FindTaskIdByFunc(Task_EscalatorWarpInFieldEffect));
+        sub_81128BC(2);
+    }
+    return FALSE;
+}
diff --git a/src/field_fadetransition.c b/src/field_fadetransition.c
index 738dbd7a0..0076c2d8f 100644
--- a/src/field_fadetransition.c
+++ b/src/field_fadetransition.c
@@ -91,7 +91,7 @@ void FadeInFromBlack(void)
     palette_bg_faded_fill_black();
 }
 
-void sub_807DC18(void)
+void WarpFadeOutScreen(void)
 {
     const struct MapHeader *header = warp1_get_mapheader();
     if (header->regionMapSectionId != gMapHeader.regionMapSectionId && sub_80F8110(header->regionMapSectionId, FALSE))
@@ -530,8 +530,8 @@ bool32 sub_807E418(void)
 void DoWarp(void)
 {
     ScriptContext2_Enable();
-    sub_8055F88();
-    sub_807DC18();
+    TryFadeOutOldMapMusic();
+    WarpFadeOutScreen();
     PlayRainStoppingSoundEffect();
     PlaySE(SE_KAIDAN);
     gFieldCallback = sub_807DF64;
@@ -541,8 +541,8 @@ void DoWarp(void)
 void DoDiveWarp(void)
 {
     ScriptContext2_Enable();
-    sub_8055F88();
-    sub_807DC18();
+    TryFadeOutOldMapMusic();
+    WarpFadeOutScreen();
     PlayRainStoppingSoundEffect();
     gFieldCallback = sub_807DF64;
     CreateTask(sub_807E718, 10);
@@ -604,7 +604,7 @@ void sub_807E58C(void)
 void sub_807E59C(void)
 {
     ScriptContext2_Enable();
-    sub_8055F88();
+    TryFadeOutOldMapMusic();
     CreateTask(sub_807E784, 10);
     gFieldCallback = sub_807DF94;
 }
@@ -612,7 +612,7 @@ void sub_807E59C(void)
 void sub_807E5C4(void)
 {
     ScriptContext2_Enable();
-    sub_807DC18();
+    WarpFadeOutScreen();
     CreateTask(sub_807E718, 10);
     gFieldCallback = nullsub_60;
 }
@@ -641,8 +641,8 @@ static void sub_807E5EC(u8 taskId)
 void DoCableClubWarp(void)
 {
     ScriptContext2_Enable();
-    sub_8055F88();
-    sub_807DC18();
+    TryFadeOutOldMapMusic();
+    WarpFadeOutScreen();
     PlaySE(SE_KAIDAN);
     CreateTask(sub_807E5EC, 10);
 }
@@ -655,7 +655,7 @@ static void sub_807E678(u8 taskId)
     case 0:
         ClearLinkCallback_2();
         FadeScreen(1, 0);
-        sub_8055F88();
+        TryFadeOutOldMapMusic();
         PlaySE(SE_KAIDAN);
         data[0]++;
         break;
@@ -719,7 +719,7 @@ static void sub_807E784(u8 taskId)
     case 1:
         if (!sub_805DAD0())
         {
-            sub_807DC18();
+            WarpFadeOutScreen();
             task->data[0]++;
         }
         break;
@@ -773,14 +773,14 @@ static void sub_807E80C(u8 taskId)
         }
         break;
     case 4:
-        sub_8055F88();
-        sub_807DC18();
+        TryFadeOutOldMapMusic();
+        WarpFadeOutScreen();
         PlayRainStoppingSoundEffect();
         task->data[0] = 0;
         task->func = sub_807E718;
         break;
     case 5:
-        sub_8055F88();
+        TryFadeOutOldMapMusic();
         PlayRainStoppingSoundEffect();
         task->data[0] = 0;
         task->func = sub_807E718;
@@ -808,7 +808,7 @@ static void sub_807E980(u8 taskId)
                 data[15]--;
             else
             {
-                sub_8055F88();
+                TryFadeOutOldMapMusic();
                 PlayRainStoppingSoundEffect();
                 playerSpr->oam.priority = 1;
                 sub_807EB64(data[1], &data[2], &data[3]);
@@ -822,7 +822,7 @@ static void sub_807E980(u8 taskId)
         data[15]++;
         if (data[15] >= 12)
         {
-            sub_807DC18();
+            WarpFadeOutScreen();
             data[0]++;
         }
         break;
diff --git a/src/seagallop.c b/src/seagallop.c
index aa0c48da1..3257819aa 100644
--- a/src/seagallop.c
+++ b/src/seagallop.c
@@ -295,7 +295,7 @@ static void Task_Seagallop_1(u8 taskId)
     if (++task->data[1] == 140)
     {
         Overworld_FadeOutMapMusic();
-        sub_807DC18();
+        WarpFadeOutScreen();
         task->func = Task_Seagallop_2;
     }
 }