pokecrystal-board/home/trainers.asm
2017-12-22 22:50:28 -05:00

264 lines
3.4 KiB
NASM

CheckTrainerBattle2:: ; 3600
ld a, [hROMBank]
push af
call SwitchToMapScriptHeaderBank
call CheckTrainerBattle
pop bc
ld a, b
rst Bankswitch
ret
; 360d
CheckTrainerBattle:: ; 360d
; Check if any trainer on the map sees the player and wants to battle.
; Skip the player object.
ld a, 1
ld de, MapObjects + OBJECT_LENGTH
.loop
; Start a battle if the object:
push af
push de
; Has a sprite
ld hl, MAPOBJECT_SPRITE
add hl, de
ld a, [hl]
and a
jr z, .next
; Is a trainer
ld hl, MAPOBJECT_COLOR
add hl, de
ld a, [hl]
and $f
cp $2
jr nz, .next
; Is visible on the map
ld hl, MAPOBJECT_OBJECT_STRUCT_ID
add hl, de
ld a, [hl]
cp -1
jr z, .next
; Is facing the player...
call GetObjectStruct
call FacingPlayerDistance_bc
jr nc, .next
; ...within their sight range
ld hl, MAPOBJECT_RANGE
add hl, de
ld a, [hl]
cp b
jr c, .next
; And hasn't already been beaten
push bc
push de
ld hl, MAPOBJECT_SCRIPT_POINTER
add hl, de
ld a, [hli]
ld h, [hl]
ld l, a
ld e, [hl]
inc hl
ld d, [hl]
ld b, CHECK_FLAG
call EventFlagAction
ld a, c
pop de
pop bc
and a
jr z, .startbattle
.next
pop de
ld hl, OBJECT_LENGTH
add hl, de
ld d, h
ld e, l
pop af
inc a
cp NUM_OBJECTS
jr nz, .loop
xor a
ret
.startbattle
pop de
pop af
ld [hLastTalked], a
ld a, b
ld [EngineBuffer2], a
ld a, c
ld [EngineBuffer3], a
jr LoadTrainer_continue
; 3674
TalkToTrainer:: ; 3674
ld a, 1
ld [EngineBuffer2], a
ld a, -1
ld [EngineBuffer3], a
LoadTrainer_continue:: ; 367e
call GetMapScriptHeaderBank
ld [EngineBuffer1], a
ld a, [hLastTalked]
call GetMapObject
ld hl, MAPOBJECT_SCRIPT_POINTER
add hl, bc
ld a, [EngineBuffer1]
call GetFarHalfword
ld de, wTempTrainerHeader
ld bc, wTempTrainerHeaderEnd - wTempTrainerHeader
ld a, [EngineBuffer1]
call FarCopyBytes
xor a
ld [wRunningTrainerBattleScript], a
scf
ret
; 36a5
FacingPlayerDistance_bc:: ; 36a5
push de
call FacingPlayerDistance
ld b, d
ld c, e
pop de
ret
; 36ad
FacingPlayerDistance:: ; 36ad
; Return carry if the sprite at bc is facing the player,
; and its distance in d.
ld hl, OBJECT_NEXT_MAP_X ; x
add hl, bc
ld d, [hl]
ld hl, OBJECT_NEXT_MAP_Y ; y
add hl, bc
ld e, [hl]
ld a, [PlayerStandingMapX]
cp d
jr z, .CheckY
ld a, [PlayerStandingMapY]
cp e
jr z, .CheckX
and a
ret
.CheckY:
ld a, [PlayerStandingMapY]
sub e
jr z, .NotFacing
jr nc, .Above
; Below
cpl
inc a
ld d, a
ld e, OW_UP
jr .CheckFacing
.Above:
ld d, a
ld e, OW_DOWN
jr .CheckFacing
.CheckX:
ld a, [PlayerStandingMapX]
sub d
jr z, .NotFacing
jr nc, .Left
; Right
cpl
inc a
ld d, a
ld e, OW_LEFT
jr .CheckFacing
.Left:
ld d, a
ld e, OW_RIGHT
.CheckFacing:
call GetSpriteDirection
cp e
jr nz, .NotFacing
scf
ret
.NotFacing:
and a
ret
; 36f5
CheckTrainerFlag:: ; 36f5
push bc
ld hl, OBJECT_MAP_OBJECT_INDEX
add hl, bc
ld a, [hl]
call GetMapObject
ld hl, MAPOBJECT_SCRIPT_POINTER
add hl, bc
ld a, [hli]
ld h, [hl]
ld l, a
call GetMapScriptHeaderBank
call GetFarHalfword
ld d, h
ld e, l
push de
ld b, CHECK_FLAG
call EventFlagAction
pop de
ld a, c
and a
pop bc
ret
; 3718
PrintWinLossText:: ; 3718
ld a, [BattleType]
cp BATTLETYPE_CANLOSE
jr .canlose ; ??????????
; unreferenced
ld hl, wWinTextPointer
jr .ok
.canlose
ld a, [wBattleResult]
ld hl, wWinTextPointer
and $f
jr z, .ok
ld hl, wLossTextPointer
.ok
ld a, [hli]
ld h, [hl]
ld l, a
call GetMapScriptHeaderBank
call FarPrintText
call WaitBGMap
call WaitPressAorB_BlinkCursor
ret
; 3741