shithub: pokered

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ref: 21b2ab0065155a3f1aa8406e24f0a02929c06ea4
dir: /engine/battle/4_2.asm/
EndOfBattle: ; 137aa (4:77aa)
	ld a, [W_ISLINKBATTLE]
	cp $4
	jr nz, .notLinkBattle
; link battle
	ld a, [wEnemyMonPartyPos]
	ld hl, wEnemyMon1Status
	ld bc, wEnemyMon2 - wEnemyMon1
	call AddNTimes
	ld a, [wEnemyMonStatus]
	ld [hl], a
	call ClearScreen
	callab DisplayLinkBattleVersusTextBox
	ld a, [wBattleResult]
	cp $1
	ld de, YouWinText
	jr c, .placeWinOrLoseString
	ld de, YouLoseText
	jr z, .placeWinOrLoseString
	ld de, DrawText
.placeWinOrLoseString
	hlCoord 6, 8
	call PlaceString
	ld c, $c8
	call DelayFrames
	jr .evolution
.notLinkBattle
	ld a, [wBattleResult]
	and a
	jr nz, .resetVariables
	ld hl, wTotalPayDayMoney
	ld a, [hli]
	or [hl]
	inc hl
	or [hl]
	jr z, .evolution ; if pay day money is 0, jump
	ld de, wPlayerMoney + 2
	ld c, $3
	predef AddBCDPredef
	ld hl, PickUpPayDayMoneyText
	call PrintText
.evolution
	xor a
	ld [wccd4], a
	predef EvolutionAfterBattle
.resetVariables
	xor a
	ld [wd083], a
	ld [wc02a], a
	ld [W_ISINBATTLE], a
	ld [W_BATTLETYPE], a
	ld [W_MOVEMISSED], a
	ld [W_CUROPPONENT], a
	ld [wd11f], a
	ld [wNumRunAttempts], a
	ld [wEscapedFromBattle], a
	ld hl, wcc2b
	ld [hli], a
	ld [hli], a
	ld [hli], a
	ld [hl], a
	ld [wListScrollOffset], a
	ld hl, wd060
	ld b, $18
.loop
	ld [hli], a
	dec b
	jr nz, .loop
	ld hl, wd72c
	set 0, [hl]
	call WaitForSoundToFinish
	call GBPalWhiteOut
	ld a, $ff
	ld [wDestinationWarpID], 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, [wNPCMovementScriptPointerTableNum]
	and a
	ret nz
	ld a, [wd736]
	and a
	ret nz
	callab IsPlayerStandingOnDoorTileOrWarpTile
	jr nc, .asm_13888
.asm_13884
	ld a, $1
	and a
	ret
.asm_13888
	callab Func_128d8
	jr z, .asm_13884
	ld a, [wd0db]
	and a
	jr z, .asm_1389e
	dec a
	jr z, .asm_13905
	ld [wd0db], a
.asm_1389e
; determine if wild pokémon can appear where we’re standing.
; are we standing in grass/water?
	hlCoord 9, 9
	ld c, [hl]
	ld a, [W_GRASSTILE]
	cp c
	ld a, [W_GRASSRATE]
	jr z, .CanEncounter
	ld a, $14 ; in all tilesets with a water tile, this is its id
	cp c
	ld a, [W_WATERRATE]
	jr z, .CanEncounter
; even if not in grass/water, standing anywhere we can encounter pokémon
; so long as the map is “indoor” and has wild pokémon defined.
; …as long as it’s not Viridian Forest or Safari Zone.
	ld a, [W_CURMAP]
	cp REDS_HOUSE_1F ; is this an indoor map?
	jr c, .CantEncounter
	ld a, [W_CURMAPTILESET]
	cp FOREST ; Viridian Forest/Safari Zone
	jr z, .CantEncounter
	ld a, [W_GRASSRATE]
.CanEncounter
	ld b, a
	ld a, [hRandomAdd]
	cp b
	jr nc, .CantEncounter
	ld a, [hRandomSub]
	ld b, a
	ld hl, WildMonEncounterSlotChances
.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
	aCoord 8, 9
	cp $14
	jr nz, .asm_138e5
	ld hl, W_WATERMONS
.asm_138e5
	ld b, $0
	add hl, bc
	ld a, [hli]
	ld [W_CURENEMYLVL], a
	ld a, [hl]
	ld [wcf91], a
	ld [wEnemyMonSpecies2], a
	ld a, [wd0db]
	and a
	jr z, .asm_13916
	ld a, [wPartyMon1Level]
	ld b, a
	ld a, [W_CURENEMYLVL]
	cp b
	jr c, .CantEncounter
	jr .asm_13916
.asm_13905
	ld [wd0db], a
	ld a, $d2
	ld [H_DOWNARROWBLINKCNT2], a ; $ff8c
	call EnableAutoTextBoxDrawing
	call DisplayTextID
.CantEncounter
	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] ; wcfd2
	ld hl, wBattleMonMaxHP ; wd023
	jr z, .asm_1393d
	ld a, [W_ENEMYMOVENUM] ; W_ENEMYMOVENUM
	ld hl, wEnemyMonMaxHP ; wEnemyMonMaxHP
.asm_1393d
	ld d, a
	ld a, [W_DAMAGE] ; W_DAMAGE
	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
	hlCoord 10, 9
	ld a, [H_WHOSETURN] ; $fff3
	and a
	ld a, $1
	jr z, .asm_13990
	hlCoord 2, 2
	xor a
.asm_13990
	ld [wListMenuID], a ; wListMenuID
	predef UpdateHPBar2
	ld hl, HitWithRecoilText ; $799e
	jp PrintText
HitWithRecoilText: ; 1399e (4:799e)
	TX_FAR _HitWithRecoilText
	db "@"

ConversionEffect_: ; 139a3 (4:79a3)
	ld hl, wEnemyMonType1
	ld de, wBattleMonType1
	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, wcd12
	ld de, wBattleMonAttack
	call Func_13a4a
	ld hl, wEnemyMonUnmodifiedAttack
	ld de, wEnemyMonAttack
	call Func_13a4a
	ld hl, wEnemyMonStatus
	ld de, wEnemySelectedMove
	ld a, [H_WHOSETURN]
	and a
	jr z, .asm_13a09
	ld hl, wBattleMonStatus
	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, wccee
	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 ; W_GRASSRATE
	ld a, [W_ISLINKBATTLE] ; W_ISLINKBATTLE
	and a
	jr nz, .rival
	ld hl, W_RIVALNAME ; wd34a
	ld a, [W_TRAINERCLASS] ; wd031
	cp SONY1
	jr z, .rival
	cp SONY2
	jr z, .rival
	cp SONY3
	jr z, .rival
	ld [wd0b5], a
	ld a, TRAINER_NAME
	ld [W_LISTTYPE], a
	ld a, BANK(TrainerNames)
	ld [wPredefBank], a
	call GetName
	ld hl, wcd6d
.rival
	ld de, W_TRAINERNAME
	ld bc, $d
	jp CopyData