path: root/engine/menu/start_sub_menus.asm

StartMenu_Pokedex:
	predef ShowPokedexMenu
	call LoadScreenTilesFromBuffer2 ; restore saved screen
	call Delay3
	call LoadGBPal
	call UpdateSprites
	jp RedisplayStartMenu

StartMenu_Pokemon:
	ld a,[wPartyCount]
	and a
	jp z,RedisplayStartMenu
	xor a
	ld [wMenuItemToSwap],a
	ld [wPartyMenuTypeOrMessageID],a
	ld [wUpdateSpritesEnabled],a
	call DisplayPartyMenu
	jr .checkIfPokemonChosen
.loop
	xor a
	ld [wMenuItemToSwap],a
	ld [wPartyMenuTypeOrMessageID],a
	call GoBackToPartyMenu
.checkIfPokemonChosen
	jr nc,.chosePokemon
.exitMenu
	call GBPalWhiteOutWithDelay3
	call RestoreScreenTilesAndReloadTilePatterns
	call LoadGBPal
	jp RedisplayStartMenu
.chosePokemon
	call SaveScreenTilesToBuffer1
	ld a,FIELD_MOVE_MON_MENU
	ld [wTextBoxID],a
	call DisplayTextBoxID ; display pokemon menu options
	ld hl,wFieldMoves
	lb bc, 2, 12 ; max menu item ID, top menu item Y
	ld e,5
.adjustMenuVariablesLoop
	dec e
	jr z,.storeMenuVariables
	ld a,[hli]
	and a ; end of field moves?
	jr z,.storeMenuVariables
	inc b
	dec c
	dec c
	jr .adjustMenuVariablesLoop
.storeMenuVariables
	ld hl,wTopMenuItemY
	ld a,c
	ld [hli],a ; top menu item Y
	ld a,[hFieldMoveMonMenuTopMenuItemX]
	ld [hli],a ; top menu item X
	xor a
	ld [hli],a ; current menu item ID
	inc hl
	ld a,b
	ld [hli],a ; max menu item ID
	ld a,A_BUTTON | B_BUTTON
	ld [hli],a ; menu watched keys
	xor a
	ld [hl],a
	call HandleMenuInput
	push af
	call LoadScreenTilesFromBuffer1 ; restore saved screen
	pop af
	bit 1,a ; was the B button pressed?
	jp nz,.loop
; if the B button wasn't pressed
	ld a,[wMaxMenuItem]
	ld b,a
	ld a,[wCurrentMenuItem] ; menu selection
	cp b
	jp z,.exitMenu ; if the player chose Cancel
	dec b
	cp b
	jr z,.choseSwitch
	dec b
	cp b
	jp z,.choseStats
	ld c,a
	ld b,0
	ld hl,wFieldMoves
	add hl,bc
	jp .choseOutOfBattleMove
.choseSwitch
	ld a,[wPartyCount]
	cp a,2 ; is there more than one pokemon in the party?
	jp c,StartMenu_Pokemon ; if not, no switching
	call SwitchPartyMon_InitVarOrSwapData ; init [wMenuItemToSwap]
	ld a,SWAP_MONS_PARTY_MENU
	ld [wPartyMenuTypeOrMessageID],a
	call GoBackToPartyMenu
	jp .checkIfPokemonChosen
.choseStats
	call ClearSprites
	xor a ; PLAYER_PARTY_DATA
	ld [wMonDataLocation],a
	predef StatusScreen
	predef StatusScreen2
	call ReloadMapData
	jp StartMenu_Pokemon
.choseOutOfBattleMove
	push hl
	ld a,[wWhichPokemon]
	ld hl,wPartyMonNicks
	call GetPartyMonName
	pop hl
	ld a,[hl]
	dec a
	add a
	ld b,0
	ld c,a
	ld hl,.outOfBattleMovePointers
	add hl,bc
	ld a,[hli]
	ld h,[hl]
	ld l,a
	ld a,[wObtainedBadges] ; badges obtained
	jp [hl]
.outOfBattleMovePointers
	dw .cut
	dw .fly
	dw .surf
	dw .surf
	dw .strength
	dw .flash
	dw .dig
	dw .teleport
	dw .softboiled
.fly
	bit 2,a ; does the player have the Thunder Badge?
	jp z,.newBadgeRequired
	call CheckIfInOutsideMap
	jr z,.canFly
	ld a,[wWhichPokemon]
	ld hl,wPartyMonNicks
	call GetPartyMonName
	ld hl,.cannotFlyHereText
	call PrintText
	jp .loop
.canFly
	call ChooseFlyDestination
	ld a,[wd732]
	bit 3,a ; did the player decide to fly?
	jp nz,.goBackToMap
	call LoadFontTilePatterns
	ld hl,wd72e
	set 1,[hl]
	jp StartMenu_Pokemon
.cut
	bit 1,a ; does the player have the Cascade Badge?
	jp z,.newBadgeRequired
	predef UsedCut
	ld a,[wActionResultOrTookBattleTurn]
	and a
	jp z,.loop
	jp CloseTextDisplay
.surf
	bit 4,a ; does the player have the Soul Badge?
	jp z,.newBadgeRequired
	callba IsSurfingAllowed
	ld hl,wd728
	bit 1,[hl]
	res 1,[hl]
	jp z,.loop
	ld a,SURFBOARD
	ld [wcf91],a
	ld [wPseudoItemID],a
	call UseItem
	ld a,[wActionResultOrTookBattleTurn]
	and a
	jp z,.loop
	call GBPalWhiteOutWithDelay3
	jp .goBackToMap
.strength
	bit 3,a ; does the player have the Rainbow Badge?
	jp z,.newBadgeRequired
	predef PrintStrengthTxt
	call GBPalWhiteOutWithDelay3
	jp .goBackToMap
.flash
	bit 0,a ; does the player have the Boulder Badge?
	jp z,.newBadgeRequired
	xor a
	ld [wMapPalOffset],a
	ld hl,.flashLightsAreaText
	call PrintText
	call GBPalWhiteOutWithDelay3
	jp .goBackToMap
.flashLightsAreaText
	TX_FAR _FlashLightsAreaText
	db "@"
.dig
	ld a,ESCAPE_ROPE
	ld [wcf91],a
	ld [wPseudoItemID],a
	call UseItem
	ld a,[wActionResultOrTookBattleTurn]
	and a
	jp z,.loop
	call GBPalWhiteOutWithDelay3
	jp .goBackToMap
.teleport
	call CheckIfInOutsideMap
	jr z,.canTeleport
	ld a,[wWhichPokemon]
	ld hl,wPartyMonNicks
	call GetPartyMonName
	ld hl,.cannotUseTeleportNowText
	call PrintText
	jp .loop
.canTeleport
	ld hl,.warpToLastPokemonCenterText
	call PrintText
	ld hl,wd732
	set 3,[hl]
	set 6,[hl]
	ld hl,wd72e
	set 1,[hl]
	res 4,[hl]
	ld c,60
	call DelayFrames
	call GBPalWhiteOutWithDelay3
	jp .goBackToMap
.warpToLastPokemonCenterText
	TX_FAR _WarpToLastPokemonCenterText
	db "@"
.cannotUseTeleportNowText
	TX_FAR _CannotUseTeleportNowText
	db "@"
.cannotFlyHereText
	TX_FAR _CannotFlyHereText
	db "@"
.softboiled
	ld hl,wPartyMon1MaxHP
	ld a,[wWhichPokemon]
	ld bc,wPartyMon2 - wPartyMon1
	call AddNTimes
	ld a,[hli]
	ld [H_DIVIDEND],a
	ld a,[hl]
	ld [H_DIVIDEND + 1],a
	ld a,5
	ld [H_DIVISOR],a
	ld b,2 ; number of bytes
	call Divide
	ld bc,wPartyMon1HP - wPartyMon1MaxHP
	add hl,bc
	ld a,[hld]
	ld b,a
	ld a,[H_QUOTIENT + 3]
	sub b
	ld b,[hl]
	ld a,[H_QUOTIENT + 2]
	sbc b
	jp nc,.notHealthyEnough
	ld a,[wPartyAndBillsPCSavedMenuItem]
	push af
	ld a,POTION
	ld [wcf91],a
	ld [wPseudoItemID],a
	call UseItem
	pop af
	ld [wPartyAndBillsPCSavedMenuItem],a
	jp .loop
.notHealthyEnough ; if current HP is less than 1/5 of max HP
	ld hl,.notHealthyEnoughText
	call PrintText
	jp .loop
.notHealthyEnoughText
	TX_FAR _NotHealthyEnoughText
	db "@"
.goBackToMap
	call RestoreScreenTilesAndReloadTilePatterns
	jp CloseTextDisplay
.newBadgeRequired
	ld hl,.newBadgeRequiredText
	call PrintText
	jp .loop
.newBadgeRequiredText
	TX_FAR _NewBadgeRequiredText
	db "@"

; writes a blank tile to all possible menu cursor positions on the party menu
ErasePartyMenuCursors:
	coord hl, 0, 1
	ld bc,2 * 20 ; menu cursor positions are 2 rows apart
	ld a,6 ; 6 menu cursor positions
.loop
	ld [hl]," "
	add hl,bc
	dec a
	jr nz,.loop
	ret

ItemMenuLoop:
	call LoadScreenTilesFromBuffer2DisableBGTransfer ; restore saved screen
	call RunDefaultPaletteCommand

StartMenu_Item:
	ld a,[wLinkState]
	dec a ; is the player in the Colosseum or Trade Centre?
	jr nz,.notInCableClubRoom
	ld hl,CannotUseItemsHereText
	call PrintText
	jr .exitMenu
.notInCableClubRoom
	ld bc,wNumBagItems
	ld hl,wListPointer
	ld a,c
	ld [hli],a
	ld [hl],b ; store item bag pointer in wListPointer (for DisplayListMenuID)
	xor a
	ld [wPrintItemPrices],a
	ld a,ITEMLISTMENU
	ld [wListMenuID],a
	ld a,[wBagSavedMenuItem]
	ld [wCurrentMenuItem],a
	call DisplayListMenuID
	ld a,[wCurrentMenuItem]
	ld [wBagSavedMenuItem],a
	jr nc,.choseItem
.exitMenu
	call LoadScreenTilesFromBuffer2 ; restore saved screen
	call LoadTextBoxTilePatterns
	call UpdateSprites
	jp RedisplayStartMenu
.choseItem
; erase menu cursor (blank each tile in front of an item name)
	ld a," "
	Coorda 5, 4
	Coorda 5, 6
	Coorda 5, 8
	Coorda 5, 10
	call PlaceUnfilledArrowMenuCursor
	xor a
	ld [wMenuItemToSwap],a
	ld a,[wcf91]
	cp a,BICYCLE
	jp z,.useOrTossItem
.notBicycle1
	ld a,USE_TOSS_MENU_TEMPLATE
	ld [wTextBoxID],a
	call DisplayTextBoxID
	ld hl,wTopMenuItemY
	ld a,11
	ld [hli],a ; top menu item Y
	ld a,14
	ld [hli],a ; top menu item X
	xor a
	ld [hli],a ; current menu item ID
	inc hl
	inc a ; a = 1
	ld [hli],a ; max menu item ID
	ld a,A_BUTTON | B_BUTTON
	ld [hli],a ; menu watched keys
	xor a
	ld [hl],a ; old menu item id
	call HandleMenuInput
	call PlaceUnfilledArrowMenuCursor
	bit 1,a ; was the B button pressed?
	jr z,.useOrTossItem
	jp ItemMenuLoop
.useOrTossItem ; if the player made the choice to use or toss the item
	ld a,[wcf91]
	ld [wd11e],a
	call GetItemName
	call CopyStringToCF4B ; copy name to wcf4b
	ld a,[wcf91]
	cp a,BICYCLE
	jr nz,.notBicycle2
	ld a,[wd732]
	bit 5,a
	jr z,.useItem_closeMenu
	ld hl,CannotGetOffHereText
	call PrintText
	jp ItemMenuLoop
.notBicycle2
	ld a,[wCurrentMenuItem]
	and a
	jr nz,.tossItem
; use item
	ld [wPseudoItemID],a ; a must be 0 due to above conditional jump
	ld a,[wcf91]
	cp a,HM_01
	jr nc,.useItem_partyMenu
	ld hl,UsableItems_CloseMenu
	ld de,1
	call IsInArray
	jr c,.useItem_closeMenu
	ld a,[wcf91]
	ld hl,UsableItems_PartyMenu
	ld de,1
	call IsInArray
	jr c,.useItem_partyMenu
	call UseItem
	jp ItemMenuLoop
.useItem_closeMenu
	xor a
	ld [wPseudoItemID],a
	call UseItem
	ld a,[wActionResultOrTookBattleTurn]
	and a
	jp z,ItemMenuLoop
	jp CloseStartMenu
.useItem_partyMenu
	ld a,[wUpdateSpritesEnabled]
	push af
	call UseItem
	ld a,[wActionResultOrTookBattleTurn]
	cp a,$02
	jp z,.partyMenuNotDisplayed
	call GBPalWhiteOutWithDelay3
	call RestoreScreenTilesAndReloadTilePatterns
	pop af
	ld [wUpdateSpritesEnabled],a
	jp StartMenu_Item
.partyMenuNotDisplayed
	pop af
	ld [wUpdateSpritesEnabled],a
	jp ItemMenuLoop
.tossItem
	call IsKeyItem
	ld a,[wIsKeyItem]
	and a
	jr nz,.skipAskingQuantity
	ld a,[wcf91]
	call IsItemHM
	jr c,.skipAskingQuantity
	call DisplayChooseQuantityMenu
	inc a
	jr z,.tossZeroItems
.skipAskingQuantity
	ld hl,wNumBagItems
	call TossItem
.tossZeroItems
	jp ItemMenuLoop

CannotUseItemsHereText:
	TX_FAR _CannotUseItemsHereText
	db "@"

CannotGetOffHereText:
	TX_FAR _CannotGetOffHereText
	db "@"

; items which bring up the party menu when used
UsableItems_PartyMenu:
	db MOON_STONE
	db ANTIDOTE
	db BURN_HEAL
	db ICE_HEAL
	db AWAKENING
	db PARLYZ_HEAL
	db FULL_RESTORE
	db MAX_POTION
	db HYPER_POTION
	db SUPER_POTION
	db POTION
	db FIRE_STONE
	db THUNDER_STONE
	db WATER_STONE
	db HP_UP
	db PROTEIN
	db IRON
	db CARBOS
	db CALCIUM
	db RARE_CANDY
	db LEAF_STONE
	db FULL_HEAL
	db REVIVE
	db MAX_REVIVE
	db FRESH_WATER
	db SODA_POP
	db LEMONADE
	db X_ATTACK
	db X_DEFEND
	db X_SPEED
	db X_SPECIAL
	db PP_UP
	db ETHER
	db MAX_ETHER
	db ELIXER
	db MAX_ELIXER
	db ICE_STONE
	db $ff

; items which close the item menu when used
UsableItems_CloseMenu:
	db ESCAPE_ROPE
	db ITEMFINDER
	db POKE_FLUTE
	db OLD_ROD
	db GOOD_ROD
	db SUPER_ROD
	db $ff

StartMenu_TrainerInfo:
	call GBPalWhiteOut
	call ClearScreen
	call UpdateSprites
	ld a,[hTilesetType]
	push af
	xor a
	ld [hTilesetType],a
	call DrawTrainerInfo
	predef DrawBadges ; draw badges
	ld b, SET_PAL_TRAINER_CARD
	call RunPaletteCommand
	call GBPalNormal
	call WaitForTextScrollButtonPress ; wait for button press
	call GBPalWhiteOut
	call LoadFontTilePatterns
	call LoadScreenTilesFromBuffer2 ; restore saved screen
	call RunDefaultPaletteCommand
	call ReloadMapData
	call LoadGBPal
	pop af
	ld [hTilesetType],a
	jp RedisplayStartMenu

; loads tile patterns and draws everything except for gym leader faces / badges
DrawTrainerInfo:
	ld de,RedPicFront
	lb bc, BANK(RedPicFront), $01
	predef DisplayPicCenteredOrUpperRight
	call DisableLCD
	coord hl, 0, 2
	ld a," "
	call TrainerInfo_DrawVerticalLine
	coord hl, 1, 2
	call TrainerInfo_DrawVerticalLine
	ld hl,vChars2 + $70
	ld de,vChars2
	ld bc,$70 * 4
	call CopyData
	ld hl,TrainerInfoTextBoxTileGraphics ; trainer info text box tile patterns
	ld de,vChars2 + $770
	ld bc,$0080
	push bc
	call TrainerInfo_FarCopyData
	ld hl,BlankLeaderNames
	ld de,vChars2 + $600
	ld bc,$0170
	call TrainerInfo_FarCopyData
	pop bc
	ld hl,BadgeNumbersTileGraphics  ; badge number tile patterns
	ld de,vChars1 + $580
	call TrainerInfo_FarCopyData
	ld hl,GymLeaderFaceAndBadgeTileGraphics  ; gym leader face and badge tile patterns
	ld de,vChars2 + $200
	ld bc,$0400
	ld a,$03
	call FarCopyData2
	ld hl,TextBoxGraphics
	ld de,$00d0
	add hl,de ; hl = colon tile pattern
	ld de,vChars1 + $560
	ld bc,$0010
	ld a,$04
	push bc
	call FarCopyData2
	pop bc
	ld hl,TrainerInfoTextBoxTileGraphics + $80  ; background tile pattern
	ld de,vChars1 + $570
	call TrainerInfo_FarCopyData
	call EnableLCD
	ld hl,wTrainerInfoTextBoxWidthPlus1
	ld a,18 + 1
	ld [hli],a
	dec a
	ld [hli],a
	ld [hl],1
	coord hl, 0, 0
	call TrainerInfo_DrawTextBox
	ld hl,wTrainerInfoTextBoxWidthPlus1
	ld a,16 + 1
	ld [hli],a
	dec a
	ld [hli],a
	ld [hl],3
	coord hl, 1, 10
	call TrainerInfo_DrawTextBox
	coord hl, 0, 10
	ld a,$d7
	call TrainerInfo_DrawVerticalLine
	coord hl, 19, 10
	call TrainerInfo_DrawVerticalLine
	coord hl, 6, 9
	ld de,TrainerInfo_BadgesText
	call PlaceString
	coord hl, 2, 2
	ld de,TrainerInfo_NameMoneyTimeText
	call PlaceString
	coord hl, 7, 2
	ld de,wPlayerName
	call PlaceString
	coord hl, 8, 4
	ld de,wPlayerMoney
	ld c,$e3
	call PrintBCDNumber
	coord hl, 9, 6
	ld de,wPlayTimeHours ; hours
	lb bc, LEFT_ALIGN | 1, 3
	call PrintNumber
	ld [hl],$d6 ; colon tile ID
	inc hl
	ld de,wPlayTimeMinutes ; minutes
	lb bc, LEADING_ZEROES | 1, 2
	jp PrintNumber

TrainerInfo_FarCopyData:
	ld a,BANK(TrainerInfoTextBoxTileGraphics)
	jp FarCopyData2

TrainerInfo_NameMoneyTimeText:
	db   "NAME/"
	next "MONEY/"
	next "TIME/@"

; $76 is a circle tile
TrainerInfo_BadgesText:
	db $76,"BADGES",$76,"@"

; draws a text box on the trainer info screen
; height is always 6
; INPUT:
; hl = destination address
; [wTrainerInfoTextBoxWidthPlus1] = width
; [wTrainerInfoTextBoxWidth] = width - 1
; [wTrainerInfoTextBoxNextRowOffset] = distance from the end of a text box row to the start of the next
TrainerInfo_DrawTextBox:
	ld a,$79 ; upper left corner tile ID
	lb de, $7a, $7b ; top edge and upper right corner tile ID's
	call TrainerInfo_DrawHorizontalEdge ; draw top edge
	call TrainerInfo_NextTextBoxRow
	ld a,[wTrainerInfoTextBoxWidthPlus1]
	ld e,a
	ld d,0
	ld c,6 ; height of the text box
.loop
	ld [hl],$7c ; left edge tile ID
	add hl,de
	ld [hl],$78 ; right edge tile ID
	call TrainerInfo_NextTextBoxRow
	dec c
	jr nz,.loop
	ld a,$7d ; lower left corner tile ID
	lb de,$77, $7e ; bottom edge and lower right corner tile ID's

TrainerInfo_DrawHorizontalEdge:
	ld [hli],a ; place left corner tile
	ld a,[wTrainerInfoTextBoxWidth]
	ld c,a
	ld a,d
.loop
	ld [hli],a ; place edge tile
	dec c
	jr nz,.loop
	ld a,e
	ld [hl],a ; place right corner tile
	ret

TrainerInfo_NextTextBoxRow:
	ld a,[wTrainerInfoTextBoxNextRowOffset] ; distance to the start of the next row
.loop
	inc hl
	dec a
	jr nz,.loop
	ret

; draws a vertical line
; INPUT:
; hl = address of top tile in the line
; a = tile ID
TrainerInfo_DrawVerticalLine:
	ld de,SCREEN_WIDTH
	ld c,8
.loop
	ld [hl],a
	add hl,de
	dec c
	jr nz,.loop
	ret

StartMenu_SaveReset:
	ld a,[wd72e]
	bit 6,a ; is the player using the link feature?
	jp nz,Init
	predef SaveSAV ; save the game
	call LoadScreenTilesFromBuffer2 ; restore saved screen
	jp HoldTextDisplayOpen

StartMenu_Option:
	xor a
	ld [H_AUTOBGTRANSFERENABLED],a
	call ClearScreen
	call UpdateSprites
	callab DisplayOptionMenu
	call LoadScreenTilesFromBuffer2 ; restore saved screen
	call LoadTextBoxTilePatterns
	call UpdateSprites
	jp RedisplayStartMenu

SwitchPartyMon:
	call SwitchPartyMon_InitVarOrSwapData ; swap data
	ld a, [wSwappedMenuItem]
	call SwitchPartyMon_ClearGfx
	ld a, [wCurrentMenuItem]
	call SwitchPartyMon_ClearGfx
	jp RedrawPartyMenu_

SwitchPartyMon_ClearGfx:
	push af
	coord hl, 0, 0
	ld bc, SCREEN_WIDTH * 2
	call AddNTimes
	ld c, SCREEN_WIDTH * 2
	ld a, " "
.clearMonBGLoop ; clear the mon's row in the party menu
	ld [hli], a
	dec c
	jr nz, .clearMonBGLoop
	pop af
	ld hl, wOAMBuffer
	ld bc, $10
	call AddNTimes
	ld de, $4
	ld c, e
.clearMonOAMLoop
	ld [hl], $a0
	add hl, de
	dec c
	jr nz, .clearMonOAMLoop
	call WaitForSoundToFinish
	ld a, SFX_SWAP
	jp PlaySound

SwitchPartyMon_InitVarOrSwapData:
; This is used to initialise [wMenuItemToSwap] and to actually swap the data.
	ld a, [wMenuItemToSwap]
	and a ; has [wMenuItemToSwap] been initialised yet?
	jr nz, .pickedMonsToSwap
; If not, initialise [wMenuItemToSwap] so that it matches the current mon.
	ld a, [wWhichPokemon]
	inc a ; [wMenuItemToSwap] counts from 1
	ld [wMenuItemToSwap], a
	ret
.pickedMonsToSwap
	xor a
	ld [wPartyMenuTypeOrMessageID], a
	ld a, [wMenuItemToSwap]
	dec a
	ld b, a
	ld a, [wCurrentMenuItem]
	ld [wSwappedMenuItem], a
	cp b ; swapping a mon with itself?
	jr nz, .swappingDifferentMons
; can't swap a mon with itself
	xor a
	ld [wMenuItemToSwap], a
	ld [wPartyMenuTypeOrMessageID], a
	ret
.swappingDifferentMons
	ld a, b
	ld [wMenuItemToSwap], a
	push hl
	push de
	ld hl, wPartySpecies
	ld d, h
	ld e, l
	ld a, [wCurrentMenuItem]
	add l
	ld l, a
	jr nc, .noCarry
	inc h
.noCarry
	ld a, [wMenuItemToSwap]
	add e
	ld e, a
	jr nc, .noCarry2
	inc d
.noCarry2
	ld a, [hl]
	ld [hSwapTemp], a
	ld a, [de]
	ld [hl], a
	ld a, [hSwapTemp]
	ld [de], a
	ld hl, wPartyMons
	ld bc, wPartyMon2 - wPartyMon1
	ld a, [wCurrentMenuItem]
	call AddNTimes
	push hl
	ld de, wSwitchPartyMonTempBuffer
	ld bc, wPartyMon2 - wPartyMon1
	call CopyData
	ld hl, wPartyMons
	ld bc, wPartyMon2 - wPartyMon1
	ld a, [wMenuItemToSwap]
	call AddNTimes
	pop de
	push hl
	ld bc, wPartyMon2 - wPartyMon1
	call CopyData
	pop de
	ld hl, wSwitchPartyMonTempBuffer
	ld bc, wPartyMon2 - wPartyMon1
	call CopyData
	ld hl, wPartyMonOT
	ld a, [wCurrentMenuItem]
	call SkipFixedLengthTextEntries
	push hl
	ld de, wSwitchPartyMonTempBuffer
	ld bc, NAME_LENGTH
	call CopyData
	ld hl, wPartyMonOT
	ld a, [wMenuItemToSwap]
	call SkipFixedLengthTextEntries
	pop de
	push hl
	ld bc, NAME_LENGTH
	call CopyData
	pop de
	ld hl, wSwitchPartyMonTempBuffer
	ld bc, NAME_LENGTH
	call CopyData
	ld hl, wPartyMonNicks
	ld a, [wCurrentMenuItem]
	call SkipFixedLengthTextEntries
	push hl
	ld de, wSwitchPartyMonTempBuffer
	ld bc, NAME_LENGTH
	call CopyData
	ld hl, wPartyMonNicks
	ld a, [wMenuItemToSwap]
	call SkipFixedLengthTextEntries
	pop de
	push hl
	ld bc, NAME_LENGTH
	call CopyData
	pop de
	ld hl, wSwitchPartyMonTempBuffer
	ld bc, NAME_LENGTH
	call CopyData
	ld a, [wMenuItemToSwap]
	ld [wSwappedMenuItem], a
	xor a
	ld [wMenuItemToSwap], a
	ld [wPartyMenuTypeOrMessageID], a
	pop de
	pop hl
	ret