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-rwxr-xr-xengine/events/npc_trade.asm586
1 files changed, 586 insertions, 0 deletions
diff --git a/engine/events/npc_trade.asm b/engine/events/npc_trade.asm
new file mode 100755
index 000000000..d3991a28c
--- /dev/null
+++ b/engine/events/npc_trade.asm
@@ -0,0 +1,586 @@
+NPCTrade:: ; fcba8
+ ld a, e
+ ld [wJumptableIndex], a
+ call Trade_GetDialog
+ ld b, CHECK_FLAG
+ call TradeFlagAction
+ ld a, TRADE_DIALOG_AFTER
+ jr nz, .done
+
+ ld a, TRADE_DIALOG_INTRO
+ call PrintTradeText
+
+ call YesNoBox
+ ld a, TRADE_DIALOG_CANCEL
+ jr c, .done
+
+; Select givemon from party
+ ld b, PARTYMENUACTION_GIVE_MON
+ farcall SelectTradeOrDayCareMon
+ ld a, TRADE_DIALOG_CANCEL
+ jr c, .done
+
+ ld e, NPCTRADE_GIVEMON
+ call GetTradeAttribute
+ ld a, [wCurPartySpecies]
+ cp [hl]
+ ld a, TRADE_DIALOG_WRONG
+ jr nz, .done
+
+ call CheckTradeGender
+ ld a, TRADE_DIALOG_WRONG
+ jr c, .done
+
+ ld b, SET_FLAG
+ call TradeFlagAction
+
+ ld hl, ConnectLinkCableText
+ call PrintText
+
+ call DoNPCTrade
+ call .TradeAnimation
+ call GetTradeMonNames
+
+ ld hl, TradedForText
+ call PrintText
+
+ call RestartMapMusic
+
+ ld a, TRADE_DIALOG_COMPLETE
+
+.done
+ call PrintTradeText
+ ret
+; fcc07
+
+.TradeAnimation: ; fcc07
+ call DisableSpriteUpdates
+ ld a, [wJumptableIndex]
+ push af
+ ld a, [wcf64]
+ push af
+ predef TradeAnimation
+ pop af
+ ld [wcf64], a
+ pop af
+ ld [wJumptableIndex], a
+ call ReturnToMapWithSpeechTextbox
+ ret
+; fcc23
+
+CheckTradeGender: ; fcc23
+ xor a
+ ld [wMonType], a
+
+ ld e, NPCTRADE_GENDER
+ call GetTradeAttribute
+ ld a, [hl]
+ and a ; TRADE_GENDER_EITHER
+ jr z, .matching
+ cp TRADE_GENDER_MALE
+ jr z, .check_male
+ ; TRADE_GENDER_FEMALE
+ farcall GetGender
+ jr nz, .not_matching
+ jr .matching
+
+.check_male
+ farcall GetGender
+ jr z, .not_matching
+
+.matching
+ and a
+ ret
+
+.not_matching
+ scf
+ ret
+; fcc4a
+
+TradeFlagAction: ; fcc4a
+ ld hl, wTradeFlags
+ ld a, [wJumptableIndex]
+ ld c, a
+ predef SmallFarFlagAction
+ ld a, c
+ and a
+ ret
+; fcc59
+
+Trade_GetDialog: ; fcc59
+ ld e, NPCTRADE_DIALOG
+ call GetTradeAttribute
+ ld a, [hl]
+ ld [wcf64], a
+ ret
+; fcc63
+
+DoNPCTrade: ; fcc63
+ ld e, NPCTRADE_GIVEMON
+ call GetTradeAttribute
+ ld a, [hl]
+ ld [wPlayerTrademonSpecies], a
+
+ ld e, NPCTRADE_GETMON
+ call GetTradeAttribute
+ ld a, [hl]
+ ld [wOTTrademonSpecies], a
+
+ ld a, [wPlayerTrademonSpecies]
+ ld de, wPlayerTrademonSpeciesName
+ call GetTradeMonName
+ call CopyTradeName
+
+ ld a, [wOTTrademonSpecies]
+ ld de, wOTTrademonSpeciesName
+ call GetTradeMonName
+ call CopyTradeName
+
+ ld hl, wPartyMonOT
+ ld bc, NAME_LENGTH
+ call Trade_GetAttributeOfCurrentPartymon
+ ld de, wPlayerTrademonOTName
+ call CopyTradeName
+
+ ld hl, wPlayerName
+ ld de, wPlayerTrademonSenderName
+ call CopyTradeName
+
+ ld hl, wPartyMon1ID
+ ld bc, PARTYMON_STRUCT_LENGTH
+ call Trade_GetAttributeOfCurrentPartymon
+ ld de, wPlayerTrademonID
+ call Trade_CopyTwoBytes
+
+ ld hl, wPartyMon1DVs
+ ld bc, PARTYMON_STRUCT_LENGTH
+ call Trade_GetAttributeOfCurrentPartymon
+ ld de, wPlayerTrademonDVs
+ call Trade_CopyTwoBytes
+
+ ld hl, wPartyMon1Species
+ ld bc, PARTYMON_STRUCT_LENGTH
+ call Trade_GetAttributeOfCurrentPartymon
+ ld b, h
+ ld c, l
+ farcall GetCaughtGender
+ ld a, c
+ ld [wPlayerTrademonCaughtData], a
+
+ ld e, NPCTRADE_DIALOG
+ call GetTradeAttribute
+ ld a, [hl]
+ cp TRADE_DIALOGSET_GIRL
+ ld a, CAUGHT_BY_GIRL
+ jr c, .okay
+ ld a, CAUGHT_BY_BOY
+.okay
+ ld [wOTTrademonCaughtData], a
+
+ ld hl, wPartyMon1Level
+ ld bc, PARTYMON_STRUCT_LENGTH
+ call Trade_GetAttributeOfCurrentPartymon
+ ld a, [hl]
+ ld [wCurPartyLevel], a
+ ld a, [wOTTrademonSpecies]
+ ld [wCurPartySpecies], a
+ xor a
+ ld [wMonType], a ; PARTYMON
+ ld [wPokemonWithdrawDepositParameter], a ; REMOVE_PARTY
+ callfar RemoveMonFromPartyOrBox
+ predef TryAddMonToParty
+
+ ld e, NPCTRADE_DIALOG
+ call GetTradeAttribute
+ ld a, [hl]
+ cp TRADE_DIALOG_COMPLETE
+ ld b, RESET_FLAG
+ jr c, .incomplete
+ ld b, SET_FLAG
+.incomplete
+ farcall SetGiftPartyMonCaughtData
+
+ ld e, NPCTRADE_NICK
+ call GetTradeAttribute
+ ld de, wOTTrademonNickname
+ call CopyTradeName
+
+ ld hl, wPartyMonNicknames
+ ld bc, MON_NAME_LENGTH
+ call Trade_GetAttributeOfLastPartymon
+ ld hl, wOTTrademonNickname
+ call CopyTradeName
+
+ ld e, NPCTRADE_OT_NAME
+ call GetTradeAttribute
+ push hl
+ ld de, wOTTrademonOTName
+ call CopyTradeName
+ pop hl
+ ld de, wOTTrademonSenderName
+ call CopyTradeName
+
+ ld hl, wPartyMonOT
+ ld bc, NAME_LENGTH
+ call Trade_GetAttributeOfLastPartymon
+ ld hl, wOTTrademonOTName
+ call CopyTradeName
+
+ ld e, NPCTRADE_DVS
+ call GetTradeAttribute
+ ld de, wOTTrademonDVs
+ call Trade_CopyTwoBytes
+
+ ld hl, wPartyMon1DVs
+ ld bc, PARTYMON_STRUCT_LENGTH
+ call Trade_GetAttributeOfLastPartymon
+ ld hl, wOTTrademonDVs
+ call Trade_CopyTwoBytes
+
+ ld e, NPCTRADE_OT_ID
+ call GetTradeAttribute
+ ld de, wOTTrademonID + 1
+ call Trade_CopyTwoBytesReverseEndian
+
+ ld hl, wPartyMon1ID
+ ld bc, PARTYMON_STRUCT_LENGTH
+ call Trade_GetAttributeOfLastPartymon
+ ld hl, wOTTrademonID
+ call Trade_CopyTwoBytes
+
+ ld e, NPCTRADE_ITEM
+ call GetTradeAttribute
+ push hl
+ ld hl, wPartyMon1Item
+ ld bc, PARTYMON_STRUCT_LENGTH
+ call Trade_GetAttributeOfLastPartymon
+ pop hl
+ ld a, [hl]
+ ld [de], a
+
+ push af
+ push bc
+ push de
+ push hl
+ ld a, [wCurPartyMon]
+ push af
+ ld a, [wPartyCount]
+ dec a
+ ld [wCurPartyMon], a
+ farcall ComputeNPCTrademonStats
+ pop af
+ ld [wCurPartyMon], a
+ pop hl
+ pop de
+ pop bc
+ pop af
+ ret
+; fcdc2
+
+
+GetTradeAttribute: ; 0xfcdc2
+ ld d, 0
+ push de
+ ld a, [wJumptableIndex]
+ and $f
+ swap a
+ ld e, a
+ ld d, 0
+ ld hl, NPCTrades
+ add hl, de
+ add hl, de
+ pop de
+ add hl, de
+ ret
+; 0xfcdd7
+
+Trade_GetAttributeOfCurrentPartymon: ; fcdd7
+ ld a, [wCurPartyMon]
+ call AddNTimes
+ ret
+; fcdde
+
+Trade_GetAttributeOfLastPartymon: ; fcdde
+ ld a, [wPartyCount]
+ dec a
+ call AddNTimes
+ ld e, l
+ ld d, h
+ ret
+; fcde8
+
+GetTradeMonName: ; fcde8
+ push de
+ ld [wd265], a
+ call GetBasePokemonName
+ ld hl, wStringBuffer1
+ pop de
+ ret
+; fcdf4
+
+CopyTradeName: ; fcdf4
+ ld bc, NAME_LENGTH
+ call CopyBytes
+ ret
+; fcdfb
+
+Unreferenced_Functionfcdfb: ; fcdfb
+ ld bc, 4
+ call CopyBytes
+ ld a, "@"
+ ld [de], a
+ ret
+; fce05
+
+Unreferenced_Functionfce05: ; fce05
+ ld bc, 3
+ call CopyBytes
+ ld a, "@"
+ ld [de], a
+ ret
+; fce0f
+
+Trade_CopyTwoBytes: ; fce0f
+ ld a, [hli]
+ ld [de], a
+ inc de
+ ld a, [hl]
+ ld [de], a
+ ret
+; fce15
+
+Trade_CopyTwoBytesReverseEndian: ; fce15
+ ld a, [hli]
+ ld [de], a
+ dec de
+ ld a, [hl]
+ ld [de], a
+ ret
+; fce1b
+
+GetTradeMonNames: ; fce1b
+ ld e, NPCTRADE_GETMON
+ call GetTradeAttribute
+ ld a, [hl]
+ call GetTradeMonName
+
+ ld de, wStringBuffer2
+ call CopyTradeName
+
+ ld e, NPCTRADE_GIVEMON
+ call GetTradeAttribute
+ ld a, [hl]
+ call GetTradeMonName
+
+ ld de, wMonOrItemNameBuffer
+ call CopyTradeName
+
+ ld hl, wStringBuffer1
+.loop
+ ld a, [hli]
+ cp "@"
+ jr nz, .loop
+
+ dec hl
+ push hl
+ ld e, NPCTRADE_GENDER
+ call GetTradeAttribute
+ ld a, [hl]
+ pop hl
+ and a ; TRADE_GENDER_EITHER
+ ret z
+ cp TRADE_GENDER_MALE
+ ld a, "♂"
+ jr z, .done
+ ; TRADE_GENDER_FEMALE
+ ld a, "♀"
+.done
+ ld [hli], a
+ ld [hl], "@"
+ ret
+; fce58
+
+
+INCLUDE "data/events/npc_trades.asm"
+
+
+PrintTradeText: ; fcf38
+ push af
+ call GetTradeMonNames
+ pop af
+ ld bc, 2 * 4
+ ld hl, TradeTexts
+ call AddNTimes
+ ld a, [wcf64]
+ ld c, a
+ add hl, bc
+ add hl, bc
+ ld a, [hli]
+ ld h, [hl]
+ ld l, a
+ call PrintText
+ ret
+; fcf53
+
+TradeTexts: ; fcf53
+; entries correspond to TRADE_DIALOG_* × TRADE_DIALOGSET_* constants
+; TRADE_DIALOG_INTRO
+ dw TradeIntroText1
+ dw TradeIntroText2
+ dw TradeIntroText3
+ dw TradeIntroText4
+; TRADE_DIALOG_CANCEL
+ dw TradeCancelText1
+ dw TradeCancelText2
+ dw TradeCancelText3
+ dw TradeCancelText4
+; TRADE_DIALOG_WRONG
+ dw TradeWrongText1
+ dw TradeWrongText2
+ dw TradeWrongText3
+ dw TradeWrongText4
+; TRADE_DIALOG_COMPLETE
+ dw TradeCompleteText1
+ dw TradeCompleteText2
+ dw TradeCompleteText3
+ dw TradeCompleteText4
+; TRADE_DIALOG_AFTER
+ dw TradeAfterText1
+ dw TradeAfterText2
+ dw TradeAfterText3
+ dw TradeAfterText4
+; fcf7b
+
+
+ConnectLinkCableText: ; 0xfcf7b
+ ; OK, connect the Game Link Cable.
+ text_jump UnknownText_0x1bd407
+ db "@"
+; 0xfcf80
+
+
+TradedForText: ; 0xfcf80
+ ; traded givemon for getmon
+ text_jump UnknownText_0x1bd429
+ start_asm
+ ld de, MUSIC_NONE
+ call PlayMusic
+ call DelayFrame
+ ld hl, .done
+ ret
+
+.done
+ ; sound_dex_fanfare_80_109
+ ; interpret_data
+ text_jump UnknownText_0x1bd445
+ db "@"
+; 0xfcf97
+
+
+TradeIntroText1: ; 0xfcf97
+ ; I collect #MON. Do you have @ ? Want to trade it for my @ ?
+ text_jump UnknownText_0x1bd449
+ db "@"
+; 0xfcf9c
+
+TradeCancelText1: ; 0xfcf9c
+ ; You don't want to trade? Aww…
+ text_jump UnknownText_0x1bd48c
+ db "@"
+; 0xfcfa1
+
+TradeWrongText1: ; 0xfcfa1
+ ; Huh? That's not @ . What a letdown…
+ text_jump UnknownText_0x1bd4aa
+ db "@"
+; 0xfcfa6
+
+TradeCompleteText1: ; 0xfcfa6
+ ; Yay! I got myself @ ! Thanks!
+ text_jump UnknownText_0x1bd4d2
+ db "@"
+; 0xfcfab
+
+TradeAfterText1: ; 0xfcfab
+ ; Hi, how's my old @ doing?
+ text_jump UnknownText_0x1bd4f4
+ db "@"
+; 0xfcfb0
+
+
+TradeIntroText2:
+TradeIntroText3: ; 0xfcfb0
+ ; Hi, I'm looking for this #MON. If you have @ , would you trade it for my @ ?
+ text_jump UnknownText_0x1bd512
+ db "@"
+; 0xfcfb5
+
+TradeCancelText2:
+TradeCancelText3: ; 0xfcfb5
+ ; You don't have one either? Gee, that's really disappointing…
+ text_jump UnknownText_0x1bd565
+ db "@"
+; 0xfcfba
+
+TradeWrongText2:
+TradeWrongText3: ; 0xfcfba
+ ; You don't have @ ? That's too bad, then.
+ text_jump UnknownText_0x1bd5a1
+ db "@"
+; 0xfcfbf
+
+TradeCompleteText2: ; 0xfcfbf
+ ; Great! Thank you! I finally got @ .
+ text_jump UnknownText_0x1bd5cc
+ db "@"
+; 0xfcfc4
+
+TradeAfterText2: ; 0xfcfc4
+ ; Hi! The @ you traded me is doing great!
+ text_jump UnknownText_0x1bd5f4
+ db "@"
+; 0xfcfc9
+
+
+TradeIntroText4: ; 0xfcfc9
+ ; 's cute, but I don't have it. Do you have @ ? Want to trade it for my @ ?
+ text_jump UnknownText_0x1bd621
+ db "@"
+; 0xfcfce
+
+TradeCancelText4: ; 0xfcfce
+ ; You don't want to trade? Oh, darn…
+ text_jump UnknownText_0x1bd673
+ db "@"
+; 0xfcfd3
+
+TradeWrongText4: ; 0xfcfd3
+ ; That's not @ . Please trade with me if you get one.
+ text_jump UnknownText_0x1bd696
+ db "@"
+; 0xfcfd8
+
+TradeCompleteText4: ; 0xfcfd8
+ ; Wow! Thank you! I always wanted @ !
+ text_jump UnknownText_0x1bd6cd
+ db "@"
+; 0xfcfdd
+
+TradeAfterText4: ; 0xfcfdd
+ ; How is that @ I traded you doing? Your @ 's so cute!
+ text_jump UnknownText_0x1bd6f5
+ db "@"
+; 0xfcfe2
+
+
+TradeCompleteText3: ; 0xfcfe2
+ ; Uh? What happened?
+ text_jump UnknownText_0x1bd731
+ db "@"
+; 0xfcfe7
+
+TradeAfterText3: ; 0xfcfe7
+ ; Trading is so odd… I still have a lot to learn about it.
+ text_jump UnknownText_0x1bd745
+ db "@"
+; 0xfcfec