Add subdirectories to engine/ similar to pokecrystal

engine/pokemon/learn_move.asm

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+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
+	TX_SFX_ITEM_1 ; plays SFX_GET_ITEM_1 in the party menu (rare candy) and plays SFX_LEVEL_UP in battle
+	TX_BLINK
+	db "@"
+
+WhichMoveToForgetText:
+	TX_FAR _WhichMoveToForgetText
+	db "@"
+
+AbandonLearningText:
+	TX_FAR _AbandonLearningText
+	db "@"
+
+DidNotLearnText:
+	TX_FAR _DidNotLearnText
+	db "@"
+
+TryingToLearnText:
+	TX_FAR _TryingToLearnText
+	db "@"
+
+OneTwoAndText:
+	TX_FAR _OneTwoAndText
+	TX_DELAY
+	TX_ASM
+	ld a, SFX_SWAP
+	call PlaySoundWaitForCurrent
+	ld hl, PoofText
+	ret
+
+PoofText:
+	TX_FAR _PoofText
+	TX_DELAY
+ForgotAndText:
+	TX_FAR _ForgotAndText
+	db "@"
+
+HMCantDeleteText:
+	TX_FAR _HMCantDeleteText
+	db "@"