pokered/engine/learn_move.asm
2016-06-11 17:24:04 -07:00

224 lines
3.4 KiB
NASM
Executable file

LearnMove:
call SaveScreenTilesToBuffer1
ld a, [wWhichPokemon]
ld hl, wPartyMonNicks
call GetPartyMonName
ld hl, wcd6d
ld de, wLearnMoveMonName
ld bc, NAME_LENGTH
call CopyData
DontAbandonLearning:
ld hl, wPartyMon1Moves
ld bc, wPartyMon2Moves - wPartyMon1Moves
ld a, [wWhichPokemon]
call AddNTimes
ld d, h
ld e, l
ld b, NUM_MOVES
.findEmptyMoveSlotLoop
ld a, [hl]
and a
jr z, .next
inc hl
dec b
jr nz, .findEmptyMoveSlotLoop
push de
call TryingToLearn
pop de
jp c, AbandonLearning
push hl
push de
ld [wd11e], a
call GetMoveName
ld hl, OneTwoAndText
call PrintText
pop de
pop hl
.next
ld a, [wMoveNum]
ld [hl], a
ld bc, wPartyMon1PP - wPartyMon1Moves
add hl, bc
push hl
push de
dec a
ld hl, Moves
ld bc, MoveEnd - Moves
call AddNTimes
ld de, wBuffer
ld a, BANK(Moves)
call FarCopyData
ld a, [wBuffer + 5] ; a = move's max PP
pop de
pop hl
ld [hl], a
ld a, [wIsInBattle]
and a
jp z, PrintLearnedMove
ld a, [wWhichPokemon]
ld b, a
ld a, [wPlayerMonNumber]
cp b
jp nz, PrintLearnedMove
ld h, d
ld l, e
ld de, wBattleMonMoves
ld bc, NUM_MOVES
call CopyData
ld bc, wPartyMon1PP - wPartyMon1OTID
add hl, bc
ld de, wBattleMonPP
ld bc, NUM_MOVES
call CopyData
jp PrintLearnedMove
AbandonLearning:
ld hl, AbandonLearningText
call PrintText
coord hl, 14, 7
lb bc, 8, 15
ld a, TWO_OPTION_MENU
ld [wTextBoxID], a
call DisplayTextBoxID ; yes/no menu
ld a, [wCurrentMenuItem]
and a
jp nz, DontAbandonLearning
ld hl, DidNotLearnText
call PrintText
ld b, 0
ret
PrintLearnedMove:
ld hl, LearnedMove1Text
call PrintText
ld b, 1
ret
TryingToLearn:
push hl
ld hl, TryingToLearnText
call PrintText
coord hl, 14, 7
lb bc, 8, 15
ld a, TWO_OPTION_MENU
ld [wTextBoxID], a
call DisplayTextBoxID ; yes/no menu
pop hl
ld a, [wCurrentMenuItem]
rra
ret c
ld bc, -NUM_MOVES
add hl, bc
push hl
ld de, wMoves
ld bc, NUM_MOVES
call CopyData
callab FormatMovesString
pop hl
.loop
push hl
ld hl, WhichMoveToForgetText
call PrintText
coord hl, 4, 7
ld b, 4
ld c, 14
call TextBoxBorder
coord hl, 6, 8
ld de, wMovesString
ld a, [hFlags_0xFFF6]
set 2, a
ld [hFlags_0xFFF6], a
call PlaceString
ld a, [hFlags_0xFFF6]
res 2, a
ld [hFlags_0xFFF6], a
ld hl, wTopMenuItemY
ld a, 8
ld [hli], a ; wTopMenuItemY
ld a, 5
ld [hli], a ; wTopMenuItemX
xor a
ld [hli], a ; wCurrentMenuItem
inc hl
ld a, [wNumMovesMinusOne]
ld [hli], a ; wMaxMenuItem
ld a, A_BUTTON | B_BUTTON
ld [hli], a ; wMenuWatchedKeys
ld [hl], 0 ; wLastMenuItem
ld hl, hFlags_0xFFF6
set 1, [hl]
call HandleMenuInput
ld hl, hFlags_0xFFF6
res 1, [hl]
push af
call LoadScreenTilesFromBuffer1
pop af
pop hl
bit 1, a ; pressed b
jr nz, .cancel
push hl
ld a, [wCurrentMenuItem]
ld c, a
ld b, 0
add hl, bc
ld a, [hl]
push af
push bc
call IsMoveHM
pop bc
pop de
ld a, d
jr c, .hm
pop hl
add hl, bc
and a
ret
.hm
ld hl, HMCantDeleteText
call PrintText
pop hl
jr .loop
.cancel
scf
ret
LearnedMove1Text:
TX_FAR _LearnedMove1Text
db $b,6,"@"
WhichMoveToForgetText:
TX_FAR _WhichMoveToForgetText
db "@"
AbandonLearningText:
TX_FAR _AbandonLearningText
db "@"
DidNotLearnText:
TX_FAR _DidNotLearnText
db "@"
TryingToLearnText:
TX_FAR _TryingToLearnText
db "@"
OneTwoAndText:
TX_FAR _OneTwoAndText
db $a
TX_ASM
ld a, SFX_SWAP
call PlaySoundWaitForCurrent
ld hl, PoofText
ret
PoofText:
TX_FAR _PoofText
db $a
ForgotAndText:
TX_FAR _ForgotAndText
db "@"
HMCantDeleteText:
TX_FAR _HMCantDeleteText
db "@"