pokered/engine/battle/4_2.asm
yenatch 64479cd642 Rename random number function and hram labels.
GenRandom -> Random
GenRandomInBattle -> BattleRandom
H_RAND1 -> hRandomAdd
H_RAND2 -> hRandomSub
2014-05-24 11:40:38 -07:00

409 lines
7.2 KiB
NASM
Executable file

Func_137aa: ; 137aa (4:77aa)
ld a, [W_ISLINKBATTLE] ; $d12b
cp $4
jr nz, .asm_137eb
ld a, [W_ENEMYMONNUMBER] ; $cfe8
ld hl, $d8a8
ld bc, $2c
call AddNTimes
ld a, [W_ENEMYMONSTATUS] ; $cfe9
ld [hl], a
call ClearScreen
callab Func_372d6
ld a, [$cf0b]
cp $1
ld de, YouWinText
jr c, .asm_137de
ld de, YouLoseText
jr z, .asm_137de
ld de, DrawText
.asm_137de
FuncCoord 6, 8 ; $c446
ld hl, Coord
call PlaceString
ld c, $c8
call DelayFrames
jr .asm_1380a
.asm_137eb
ld a, [$cf0b]
and a
jr nz, .asm_13813
ld hl, $cce5
ld a, [hli]
or [hl]
inc hl
or [hl]
jr z, .asm_1380a
ld de, wPlayerMoney + 2 ; $d349
ld c, $3
ld a, $b
call Predef ; indirect jump to Func_f81d (f81d (3:781d))
ld hl, PickUpPayDayMoneyText
call PrintText
.asm_1380a
xor a
ld [$ccd4], a
ld a, $2a
call Predef ; indirect jump to Func_3ad1c (3ad1c (e:6d1c))
.asm_13813
xor a
ld [$d083], a
ld [$c02a], a
ld [W_ISINBATTLE], a ; $d057
ld [W_BATTLETYPE], a ; $d05a
ld [W_MOVEMISSED], a ; $d05f
ld [W_CUROPPONENT], a ; $d059
ld [$d11f], a
ld [$d120], a
ld [$d078], a
ld hl, $cc2b
ld [hli], a
ld [hli], a
ld [hli], a
ld [hl], a
ld [wListScrollOffset], a ; $cc36
ld hl, $d060
ld b, $18
.asm_1383e
ld [hli], a
dec b
jr nz, .asm_1383e
ld hl, $d72c
set 0, [hl]
call WaitForSoundToFinish
call GBPalWhiteOut
ld a, $ff
ld [$d42f], a
ret
YouWinText: ; 13853 (4:7853)
db "YOU WIN@"
YouLoseText: ; 1385b (4:785b)
db "YOU LOSE@"
DrawText: ; 13864 (4:7864)
db " DRAW@"
PickUpPayDayMoneyText: ; 1386b (4:786b)
TX_FAR _PickUpPayDayMoneyText
db "@"
Func_13870: ; 13870 (4:7870)
ld a, [$cc57]
and a
ret nz
ld a, [$d736]
and a
ret nz
callab Func_c49d
jr nc, .asm_13888
.asm_13884
ld a, $1
and a
ret
.asm_13888
callab Func_128d8
jr z, .asm_13884
ld a, [$d0db]
and a
jr z, .asm_1389e
dec a
jr z, .asm_13905
ld [$d0db], a
.asm_1389e
FuncCoord 9, 9 ; $c45d
ld hl, Coord
ld c, [hl]
ld a, [W_GRASSTILE]
cp c
ld a, [W_GRASSRATE] ; $d887
jr z, .asm_138c4
ld a, $14
cp c
ld a, [W_WATERRATE] ; $d8a4
jr z, .asm_138c4
ld a, [W_CURMAP] ; $d35e
cp REDS_HOUSE_1F
jr c, .asm_13912
ld a, [W_CURMAPTILESET] ; $d367
cp FOREST ; Viridian Forest/Safari Zone
jr z, .asm_13912
ld a, [W_GRASSRATE] ; $d887
.asm_138c4
ld b, a
ld a, [hRandomAdd]
cp b
jr nc, .asm_13912
ld a, [hRandomSub]
ld b, a
ld hl, WildMonEncounterSlotChances ; $7918
.asm_138d0
ld a, [hli]
cp b
jr nc, .asm_138d7
inc hl
jr .asm_138d0
.asm_138d7
ld c, [hl]
ld hl, W_GRASSMONS ; $d888
FuncCoord 8, 9 ; $c45c
ld a, [Coord]
cp $14
jr nz, .asm_138e5
ld hl, W_WATERMONS ; $d8a5 (aliases: W_ENEMYMON1HP)
.asm_138e5
ld b, $0
add hl, bc
ld a, [hli]
ld [W_CURENEMYLVL], a ; $d127
ld a, [hl]
ld [$cf91], a
ld [W_ENEMYMONID], a
ld a, [$d0db]
and a
jr z, .asm_13916
ld a, [W_PARTYMON1_LEVEL] ; $d18c
ld b, a
ld a, [W_CURENEMYLVL] ; $d127
cp b
jr c, .asm_13912
jr .asm_13916
.asm_13905
ld [$d0db], a
ld a, $d2
ld [H_DOWNARROWBLINKCNT2], a ; $ff8c
call EnableAutoTextBoxDrawing
call DisplayTextID
.asm_13912
ld a, $1
and a
ret
.asm_13916
xor a
ret
WildMonEncounterSlotChances: ; 13918 (4:7918)
; There are 10 slots for wild pokemon, and this is the table that defines how common each of
; those 10 slots is. A random number is generated and then the first byte of each pair in this
; table is compared against that random number. If the random number is less than or equal
; to the first byte, then that slot is chosen. The second byte is double the slot number.
db $32, $00 ; 51/256 = 19.9% chance of slot 0
db $65, $02 ; 51/256 = 19.9% chance of slot 1
db $8C, $04 ; 39/256 = 15.2% chance of slot 2
db $A5, $06 ; 25/256 = 9.8% chance of slot 3
db $BE, $08 ; 25/256 = 9.8% chance of slot 4
db $D7, $0A ; 25/256 = 9.8% chance of slot 5
db $E4, $0C ; 13/256 = 5.1% chance of slot 6
db $F1, $0E ; 13/256 = 5.1% chance of slot 7
db $FC, $10 ; 11/256 = 4.3% chance of slot 8
db $FF, $12 ; 3/256 = 1.2% chance of slot 9
RecoilEffect_: ; 1392c (4:792c)
ld a, [H_WHOSETURN] ; $fff3
and a
ld a, [W_PLAYERMOVENUM] ; $cfd2
ld hl, W_PLAYERMONMAXHP ; $d023
jr z, .asm_1393d
ld a, [W_ENEMYMOVENUM] ; $cfcc
ld hl, W_ENEMYMONMAXHP ; $cff4
.asm_1393d
ld d, a
ld a, [W_DAMAGE] ; $d0d7
ld b, a
ld a, [W_DAMAGE + 1]
ld c, a
srl b
rr c
ld a, d
cp STRUGGLE
jr z, .asm_13953
srl b
rr c
.asm_13953
ld a, b
or c
jr nz, .asm_13958
inc c
.asm_13958
ld a, [hli]
ld [wHPBarMaxHP+1], a
ld a, [hl]
ld [wHPBarMaxHP], a
push bc
ld bc, $fff2
add hl, bc
pop bc
ld a, [hl]
ld [wHPBarOldHP], a
sub c
ld [hld], a
ld [wHPBarNewHP], a
ld a, [hl]
ld [wHPBarOldHP+1], a
sbc b
ld [hl], a
ld [wHPBarNewHP+1], a
jr nc, .asm_13982
xor a
ld [hli], a
ld [hl], a
ld hl, wHPBarNewHP
ld [hli], a
ld [hl], a
.asm_13982
FuncCoord 10, 9 ; $c45e
ld hl, Coord
ld a, [H_WHOSETURN] ; $fff3
and a
ld a, $1
jr z, .asm_13990
FuncCoord 2, 2 ; $c3ca
ld hl, Coord
xor a
.asm_13990
ld [wListMenuID], a ; $cf94
ld a, $48
call Predef ; indirect jump to UpdateHPBar (fa1d (3:7a1d))
ld hl, HitWithRecoilText ; $799e
jp PrintText
HitWithRecoilText: ; 1399e (4:799e)
TX_FAR _HitWithRecoilText
db "@"
ConversionEffect_: ; 139a3 (4:79a3)
ld hl, W_ENEMYMONTYPE1
ld de, W_PLAYERMONTYPE1
ld a, [H_WHOSETURN]
and a
ld a, [W_ENEMYBATTSTATUS1]
jr z, .asm_139b8
push hl
ld h, d
ld l, e
pop de
ld a, [W_PLAYERBATTSTATUS1]
.asm_139b8
bit 6, a ; is mon immune to typical attacks (dig/fly)
jr nz, PrintButItFailedText
ld a, [hli]
ld [de], a
inc de
ld a, [hl]
ld [de], a
ld hl, Func_3fba8
call Func_139d5
ld hl, ConvertedTypeText
jp PrintText
ConvertedTypeText: ; 139cd (4:79cd)
TX_FAR _ConvertedTypeText
db "@"
PrintButItFailedText: ; 139d2 (4:79d2)
ld hl, PrintButItFailedText_
Func_139d5: ; 139d5 (4:79d5)
ld b, BANK(PrintButItFailedText_)
jp Bankswitch
HazeEffect_: ; 139da (4:79da)
ld a, $7
ld hl, wPlayerMonAttackMod
call Func_13a43
ld hl, wEnemyMonAttackMod
call Func_13a43
ld hl, $cd12
ld de, W_PLAYERMONATK
call Func_13a4a
ld hl, $cd26
ld de, W_ENEMYMONATTACK
call Func_13a4a
ld hl, W_ENEMYMONSTATUS
ld de, wEnemySelectedMove
ld a, [H_WHOSETURN]
and a
jr z, .asm_13a09
ld hl, W_PLAYERMONSTATUS
dec de
.asm_13a09
ld a, [hl]
ld [hl], $0
and $27
jr z, .asm_13a13
ld a, $ff
ld [de], a
.asm_13a13
xor a
ld [W_PLAYERDISABLEDMOVE], a
ld [W_ENEMYDISABLEDMOVE], a
ld hl, $ccee
ld [hli], a
ld [hl], a
ld hl, W_PLAYERBATTSTATUS1
call Func_13a37
ld hl, W_ENEMYBATTSTATUS1
call Func_13a37
ld hl, Func_3fba8
call Func_139d5
ld hl, StatusChangesEliminatedText
jp PrintText
Func_13a37: ; 13a37 (4:7a37)
res 7, [hl]
inc hl
ld a, [hl]
and $78
ld [hli], a
ld a, [hl]
and $f8
ld [hl], a
ret
Func_13a43: ; 13a43 (4:7a43)
ld b, $8
.loop
ld [hli], a
dec b
jr nz, .loop
ret
Func_13a4a: ; 13a4a (4:7a4a)
ld b, $8
.loop
ld a, [hli]
ld [de], a
inc de
dec b
jr nz, .loop
ret
StatusChangesEliminatedText: ; 13a53 (4:7a53)
TX_FAR _StatusChangesEliminatedText
db "@"
GetTrainerName_: ; 13a58 (4:7a58)
ld hl, W_GRASSRATE ; $d887
ld a, [W_ISLINKBATTLE] ; $d12b
and a
jr nz, .rival
ld hl, W_RIVALNAME ; $d34a
ld a, [W_TRAINERCLASS] ; $d031
cp SONY1
jr z, .rival
cp SONY2
jr z, .rival
cp SONY3
jr z, .rival
ld [$d0b5], a
ld a, TRAINER_NAME
ld [W_LISTTYPE], a
ld a, $e
ld [$d0b7], a
call GetName
ld hl, $cd6d
.rival
ld de, W_TRAINERNAME
ld bc, $d
jp CopyData