pokecrystal/engine/pokemon/switchpartymons.asm
Rangi a55bc33d67
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Use features of RGBDS 1.0.0 (#1204)
- Use single-quoted character literals or `CHARVAL` when you need
  a character's numeric value; using strings as numbers is deprecated
- Use `?` to silence a node in warning/error location backtraces
- Use `===` and `!==` instead of `STRCMP`, and `++` instead of `STRCAT`
- Use `__SCOPE__` instead of checking for `..` and `.` separately
- Use `#string` instead of `"{string}"`
- All programs (rgbasm, rgblink, rgbfix, rgbgfx) support `-W` warnings
- `rgbgfx --colors dmg` is short for `rgbgfx --colors dmg=e4`
2025-11-12 15:43:54 -05:00

146 lines
2.3 KiB
NASM

_SwitchPartyMons:
ld a, [wSwitchMon]
dec a
ld [wSwitchMonFrom], a
ld b, a
ld a, [wMenuCursorY]
dec a
ld [wSwitchMonTo], a
cp b
jr z, .skip
call .SwapMonAndMail
ld a, [wSwitchMonFrom]
call .ClearSprite
ld a, [wSwitchMonTo]
call .ClearSprite
.skip
ret
.ClearSprite:
push af
hlcoord 0, 1
ld bc, 2 * SCREEN_WIDTH
call AddNTimes
ld bc, 2 * SCREEN_WIDTH
ld a, ' '
call ByteFill
pop af
ld hl, wShadowOAMSprite00
ld bc, 4 * OBJ_SIZE
call AddNTimes
ld de, OBJ_SIZE
ld c, 4
.gfx_loop
ld [hl], OAM_YCOORD_HIDDEN
add hl, de
dec c
jr nz, .gfx_loop
ld de, SFX_SWITCH_POKEMON
call WaitPlaySFX
ret
.SwapMonAndMail:
push hl
push de
push bc
ld bc, wPartySpecies
ld a, [wSwitchMonTo]
ld l, a
ld h, 0
add hl, bc
ld d, h
ld e, l
ld a, [wSwitchMonFrom]
ld l, a
ld h, 0
add hl, bc
ld a, [hl]
push af
ld a, [de]
ld [hl], a
pop af
ld [de], a
ld a, [wSwitchMonTo]
ld hl, wPartyMon1Species
ld bc, PARTYMON_STRUCT_LENGTH
call AddNTimes
push hl
ld de, wSwitchMonBuffer
ld bc, PARTYMON_STRUCT_LENGTH
call CopyBytes
ld a, [wSwitchMonFrom]
ld hl, wPartyMon1
ld bc, PARTYMON_STRUCT_LENGTH
call AddNTimes
pop de
push hl
ld bc, PARTYMON_STRUCT_LENGTH
call CopyBytes
pop de
ld hl, wSwitchMonBuffer
ld bc, PARTYMON_STRUCT_LENGTH
call CopyBytes
ld a, [wSwitchMonTo]
ld hl, wPartyMonOTs
call SkipNames
push hl
call .CopyNameToSwitchMonBuffer
ld a, [wSwitchMonFrom]
ld hl, wPartyMonOTs
call SkipNames
pop de
push hl
call .CopyName
pop de
ld hl, wSwitchMonBuffer
call .CopyName
ld hl, wPartyMonNicknames
ld a, [wSwitchMonTo]
call SkipNames
push hl
call .CopyNameToSwitchMonBuffer
ld hl, wPartyMonNicknames
ld a, [wSwitchMonFrom]
call SkipNames
pop de
push hl
call .CopyName
pop de
ld hl, wSwitchMonBuffer
call .CopyName
ld hl, sPartyMail
ld a, [wSwitchMonTo]
ld bc, MAIL_STRUCT_LENGTH
call AddNTimes
push hl
ld de, wSwitchMonBuffer
ld bc, MAIL_STRUCT_LENGTH
ld a, BANK(sPartyMail)
call OpenSRAM
call CopyBytes
ld hl, sPartyMail
ld a, [wSwitchMonFrom]
ld bc, MAIL_STRUCT_LENGTH
call AddNTimes
pop de
push hl
ld bc, MAIL_STRUCT_LENGTH
call CopyBytes
pop de
ld hl, wSwitchMonBuffer
ld bc, MAIL_STRUCT_LENGTH
call CopyBytes
call CloseSRAM
pop bc
pop de
pop hl
ret
.CopyNameToSwitchMonBuffer:
ld de, wSwitchMonBuffer
.CopyName:
ld bc, NAME_LENGTH
call CopyBytes
ret