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https://github.com/pret/pokered.git
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306 lines
5.3 KiB
NASM
Executable file
306 lines
5.3 KiB
NASM
Executable file
CeladonPrizeMenu:
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ld b,COIN_CASE
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call IsItemInBag
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jr nz,.havingCoinCase
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ld hl,RequireCoinCaseTextPtr
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jp PrintText
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.havingCoinCase
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ld hl,wd730
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set 6,[hl] ; disable letter-printing delay
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ld hl,ExchangeCoinsForPrizesTextPtr
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call PrintText
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; the following are the menu settings
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xor a
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ld [wCurrentMenuItem],a
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ld [wLastMenuItem],a
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ld a,A_BUTTON | B_BUTTON
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ld [wMenuWatchedKeys],a
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ld a,$03
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ld [wMaxMenuItem],a
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ld a,$04
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ld [wTopMenuItemY],a
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ld a,$01
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ld [wTopMenuItemX],a
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call PrintPrizePrice
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coord hl, 0, 2
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ld b, 8
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ld c, 16
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call TextBoxBorder
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call GetPrizeMenuId
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call UpdateSprites
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ld hl,WhichPrizeTextPtr
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call PrintText
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call HandleMenuInput ; menu choice handler
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bit 1,a ; keypress = B (Cancel)
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jr nz, .noChoice
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ld a,[wCurrentMenuItem]
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cp 3 ; "NO,THANKS" choice
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jr z, .noChoice
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call HandlePrizeChoice
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.noChoice
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ld hl,wd730
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res 6,[hl]
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ret
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RequireCoinCaseTextPtr:
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TX_FAR _RequireCoinCaseText
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TX_WAIT
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db "@"
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ExchangeCoinsForPrizesTextPtr:
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TX_FAR _ExchangeCoinsForPrizesText
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db "@"
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WhichPrizeTextPtr:
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TX_FAR _WhichPrizeText
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db "@"
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GetPrizeMenuId:
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; determine which one among the three
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; prize-texts has been selected
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; using the text ID (stored in [hSpriteIndexOrTextID])
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; load the three prizes at wd13d-wd13f
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; load the three prices at wd141-wd146
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; display the three prizes' names
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; (distinguishing between Pokemon names
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; and Items (specifically TMs) names)
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ld a,[hSpriteIndexOrTextID]
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sub 3 ; prize-texts' id are 3, 4 and 5
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ld [wWhichPrizeWindow],a ; prize-texts' id (relative, i.e. 0, 1 or 2)
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add a
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add a
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ld d,0
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ld e,a
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ld hl,PrizeDifferentMenuPtrs
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add hl,de
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ld a,[hli]
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ld d,[hl]
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ld e,a
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inc hl
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push hl
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ld hl,wPrize1
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call CopyString
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pop hl
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ld a,[hli]
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ld h,[hl]
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ld l,a
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ld de,wPrize1Price
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ld bc,6
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call CopyData
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ld a,[wWhichPrizeWindow]
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cp 2 ;is TM_menu?
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jr nz,.putMonName
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ld a,[wPrize1]
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ld [wd11e],a
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call GetItemName
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coord hl, 2, 4
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call PlaceString
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ld a,[wPrize2]
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ld [wd11e],a
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call GetItemName
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coord hl, 2, 6
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call PlaceString
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ld a,[wPrize3]
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ld [wd11e],a
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call GetItemName
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coord hl, 2, 8
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call PlaceString
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jr .putNoThanksText
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.putMonName
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ld a,[wPrize1]
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ld [wd11e],a
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call GetMonName
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coord hl, 2, 4
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call PlaceString
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ld a,[wPrize2]
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ld [wd11e],a
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call GetMonName
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coord hl, 2, 6
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call PlaceString
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ld a,[wPrize3]
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ld [wd11e],a
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call GetMonName
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coord hl, 2, 8
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call PlaceString
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.putNoThanksText
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coord hl, 2, 10
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ld de,NoThanksText
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call PlaceString
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; put prices on the right side of the textbox
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ld de,wPrize1Price
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coord hl, 13, 5
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; reg. c:
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; [low nybble] number of bytes
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; [bit 765 = %100] space-padding (not zero-padding)
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ld c,(1 << 7 | 2)
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; Function $15CD displays BCD value (same routine
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; used by text-command $02)
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call PrintBCDNumber
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ld de,wPrize2Price
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coord hl, 13, 7
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ld c,(1 << 7 | 2)
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call PrintBCDNumber
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ld de,wPrize3Price
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coord hl, 13, 9
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ld c,(1 << 7 | 2)
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jp PrintBCDNumber
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INCLUDE "data/prizes.asm"
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PrintPrizePrice:
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coord hl, 11, 0
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ld b, 1
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ld c, 7
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call TextBoxBorder
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call UpdateSprites
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coord hl, 12, 0
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ld de, .CoinString
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call PlaceString
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coord hl, 13, 1
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ld de, .SixSpacesString
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call PlaceString
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coord hl, 13, 1
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ld de,wPlayerCoins
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ld c,%10000010
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call PrintBCDNumber
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ret
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.CoinString:
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db "COIN@"
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.SixSpacesString:
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db " @"
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LoadCoinsToSubtract:
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ld a,[wWhichPrize]
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add a
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ld d,0
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ld e,a
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ld hl,wPrize1Price
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add hl,de ; get selected prize's price
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xor a
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ld [hUnusedCoinsByte],a
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ld a,[hli]
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ld [hCoins],a
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ld a,[hl]
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ld [hCoins + 1],a
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ret
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HandlePrizeChoice:
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ld a,[wCurrentMenuItem]
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ld [wWhichPrize],a
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ld d,0
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ld e,a
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ld hl,wPrize1
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add hl,de
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ld a,[hl]
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ld [wd11e],a
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ld a,[wWhichPrizeWindow]
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cp 2 ; is prize a TM?
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jr nz, .getMonName
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call GetItemName
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jr .givePrize
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.getMonName
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call GetMonName
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.givePrize
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ld hl,SoYouWantPrizeTextPtr
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call PrintText
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call YesNoChoice
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ld a,[wCurrentMenuItem] ; yes/no answer (Y=0, N=1)
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and a
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jr nz, .printOhFineThen
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call LoadCoinsToSubtract
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call HasEnoughCoins
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jr c, .notEnoughCoins
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ld a,[wWhichPrizeWindow]
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cp $02
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jr nz, .giveMon
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ld a,[wd11e]
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ld b,a
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ld a,1
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ld c,a
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call GiveItem
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jr nc, .bagFull
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jr .subtractCoins
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.giveMon
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ld a,[wd11e]
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ld [wcf91],a
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push af
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call GetPrizeMonLevel
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ld c,a
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pop af
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ld b,a
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call GivePokemon
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; If either the party or box was full, wait after displaying message.
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push af
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ld a,[wAddedToParty]
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and a
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call z,WaitForTextScrollButtonPress
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pop af
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; If the mon couldn't be given to the player (because both the party and box
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; were full), return without subtracting coins.
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ret nc
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.subtractCoins
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call LoadCoinsToSubtract
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ld hl,hCoins + 1
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ld de,wPlayerCoins + 1
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ld c,$02 ; how many bytes
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predef SubBCDPredef
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jp PrintPrizePrice
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.bagFull
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ld hl,PrizeRoomBagIsFullTextPtr
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jp PrintText
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.notEnoughCoins
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ld hl,SorryNeedMoreCoinsText
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jp PrintText
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.printOhFineThen
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ld hl,OhFineThenTextPtr
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jp PrintText
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UnknownPrizeData:
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; XXX what's this?
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db $00,$01,$00,$01,$00,$01,$00,$00,$01
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HereYouGoTextPtr:
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TX_FAR _HereYouGoText
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TX_WAIT
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db "@"
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SoYouWantPrizeTextPtr:
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TX_FAR _SoYouWantPrizeText
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db "@"
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SorryNeedMoreCoinsText:
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TX_FAR _SorryNeedMoreCoinsText
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TX_WAIT
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db "@"
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PrizeRoomBagIsFullTextPtr:
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TX_FAR _OopsYouDontHaveEnoughRoomText
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TX_WAIT
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db "@"
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OhFineThenTextPtr:
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TX_FAR _OhFineThenText
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TX_WAIT
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db "@"
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GetPrizeMonLevel:
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ld a,[wcf91]
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ld b,a
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ld hl,PrizeMonLevelDictionary
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.loop
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ld a,[hli]
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cp b
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jr z,.matchFound
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inc hl
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jr .loop
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.matchFound
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ld a,[hl]
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ld [wCurEnemyLVL],a
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ret
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INCLUDE "data/prize_mon_levels.asm"
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