From c955c8d353f63c07cc4ac71160e4a13061192c8a Mon Sep 17 00:00:00 2001
From: Pokeglitch <pokeglitchx@gmail.com>
Date: Thu, 14 Jun 2018 21:46:09 -0400
Subject: Disassembled teleport

---
 engine/events/overworld.asm | 106 ++++++++++++++++++++++++++++++++++++++++++++
 engine/items/inventory.asm  |   6 ++-
 2 files changed, 110 insertions(+), 2 deletions(-)
 create mode 100755 engine/events/overworld.asm

(limited to 'engine')

diff --git a/engine/events/overworld.asm b/engine/events/overworld.asm
new file mode 100755
index 0000000..76e6b91
--- /dev/null
+++ b/engine/events/overworld.asm
@@ -0,0 +1,106 @@
+INCLUDE "constants.asm"
+
+SECTION "TeleportFunction", ROMX[$52db], BANK[$03]
+
+TeleportFunction: ; 03:52db
+	xor a
+	ld [wFieldMoveScriptID], a
+.loop
+	ld a, [wFieldMoveScriptID]
+	bit 7, a
+	jr nz, .finish
+	ld hl, .JumpTable
+	call CallJumptable
+	jr .loop
+.finish
+	and $7f
+	ld [wFieldMoveSucceeded], a
+	ret
+	
+.JumpTable
+	dw .TryTeleport
+	dw .DoTeleport
+	dw .FailTeleport
+	dw .CheckIfSpawnPoint
+
+.TryTeleport: ; 03:52fc
+	call GetMapEnvironment
+	cp TOWN
+	jr z, .success
+	cp ROUTE
+	jr z, .success
+	ld a, $02
+	ld [wFieldMoveScriptID], a
+	ret
+.success
+	ld a, $03
+	ld [wFieldMoveScriptID], a
+	ret
+	
+.CheckIfSpawnPoint ; 03:5313
+	ld a, [wLastSpawnMapGroup]
+	ld d, a
+	ld a, [wLastSpawnMapNumber]
+	ld e, a
+	ld hl, IsSpawnPoint
+	ld a, BANK(IsSpawnPoint)
+	call FarCall_hl
+	jr c, .not_spawn
+	ld hl, .Text_CantFindDestination
+	call MenuTextBoxBackup
+	ld a, $80
+	ld [wFieldMoveScriptID], a
+	ret
+.not_spawn
+	ld a, c
+	ld [wDebugWarpSelection], a
+	ld a, $01
+	ld [wFieldMoveScriptID], a
+	ret
+
+.Text_CantFindDestination:
+	db "<NULL>"
+	db "とびさきが　みつかりません"
+	db "<PARA><DONE>"
+
+.DoTeleport: ; 03:534b
+	ldh a, [hROMBank]
+	ld hl, .TeleportScript
+	call QueueScript
+	ld a, $8f
+	ld [wFieldMoveScriptID], a
+	ret
+
+.FailTeleport: ; 03:5359
+	ld hl, .Text_CantUseHere
+	call MenuTextBoxBackup
+	ld a, $80
+	ld [wFieldMoveScriptID], a
+	scf
+	ret
+
+.Text_CantUseHere:
+	db "<NULL>"
+	db "ここでは　つかえません！"
+	db "<PARA><DONE>"
+
+.TeleportScript: ; 03:5375
+	call RefreshScreen
+	ld hl, .Text_ReturnToLastMonCenter
+	call MenuTextBox
+	ld c, 60
+	call DelayFrames
+	call CloseWindow
+	call Function1fea
+	ld a, MAPSETUP_TELEPORT
+	ldh [hMapEntryMethod], a
+	ld hl, Functionfcc24
+	ld a, BANK(Functionfcc24)
+	jp FarCall_hl
+	
+.Text_ReturnToLastMonCenter:
+	db "<NULL>"
+	db "さいごに　たちよった"
+	db "<LINE>"
+	db "#センターにもどります"
+	db "<DONE>"
\ No newline at end of file
diff --git a/engine/items/inventory.asm b/engine/items/inventory.asm
index a95f2ac..5927f6d 100755
--- a/engine/items/inventory.asm
+++ b/engine/items/inventory.asm
@@ -596,7 +596,8 @@ GetNumberedTMHM: ; 03:4D1A
 	
 SECTION "_CheckTossableItem", ROMX[$53AD], BANK[$03]
 
-; Return 1 in wItemAttributeParamBuffer and carry if wCurItem can't be removed from the bag.
+; Return 1 in wItemAttributeParamBuffer and
+; carry if wCurItem can't be removed from the bag.
 _CheckTossableItem: ; 03:53AD
 	ld a, ITEMATTR_PERMISSIONS
 	call GetItemAttr
@@ -605,7 +606,8 @@ _CheckTossableItem: ; 03:53AD
 	and a
 	ret
 
-; Return 1 in wItemAttributeParamBuffer and carry if wCurItem can't be selected.
+; Return 1 in wItemAttributeParamBuffer
+; and carry if wCurItem can't be selected.
 CheckSelectableItem: ; 03:53B8
 	ld a, ITEMATTR_PERMISSIONS
 	call GetItemAttr
-- 
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