ref: 9004b33ab7986b617ca950e41b42d677d5378913
dir: /engine/battle/15.asm/
GainExperience: ; 5524f (15:524f) ld a, [W_ISLINKBATTLE] cp $4 ret z ; return if link battle call DivideExpDataByNumMonsGainingExp ld hl, wPartyMon1 xor a ld [wWhichPokemon], a .partyMonLoop ; loop over each mon and add gained exp inc hl ld a, [hli] or [hl] ; is mon's HP 0? jp z, .nextMon ; if so, go to next mon push hl ld hl, wPartyGainExpFlags ld a, [wWhichPokemon] ld c, a ld b, $2 predef FlagActionPredef ld a, c and a ; is mon's gain exp flag set? pop hl jp z, .nextMon ; if mon's gain exp flag not set, go to next mon ld de, (wPartyMon1HPExp + 1) - (wPartyMon1HP + 1) add hl, de ld d, h ld e, l ld hl, wEnemyMonBaseStats ld c, $5 .gainStatExpLoop ld a, [hli] ld b, a ; enemy mon base stat ld a, [de] ; stat exp add b ; add enemy mon base state to stat exp ld [de], a jr nc, .nextBaseStat ; if there was a carry, increment the upper byte dec de ld a, [de] inc a jr z, .maxStatExp ; jump if the value overflowed ld [de], a inc de jr .nextBaseStat .maxStatExp ; if the upper byte also overflowed, then we have hit the max stat exp ld a, $ff ld [de], a inc de ld [de], a .nextBaseStat dec c jr z, .asm_552a1 inc de inc de jr .gainStatExpLoop .asm_552a1 xor a ld [H_MULTIPLICAND], a ld [H_MULTIPLICAND + 1], a ld a, [wEnemyMonBaseExp] ld [H_MULTIPLICAND + 2], a ld a, [wEnemyMonLevel] ld [H_MULTIPLIER], a call Multiply ld a, 7 ld [H_DIVISOR], a ld b, 4 call Divide ld hl, -((wPartyMon1HPExp + 1) - wPartyMon1OTID + 4 * 2) add hl, de ld b, [hl] ; party mon OTID inc hl ld a, [wPlayerID] cp b jr nz, .tradedMon ld b, [hl] ld a, [wPlayerID + 1] cp b ld a, $0 jr z, .next .tradedMon call BoostExp ; traded mon exp boost ld a, $1 .next ld [wcf4d], a ld a, [W_ISINBATTLE] dec a ; is it a trainer battle? call nz, BoostExp ; if so, boost exp inc hl inc hl inc hl ; add the gained exp to the party mon's exp ld b, [hl] ld a, [H_QUOTIENT + 3] ld [wcf4c], a add b ld [hld], a ld b, [hl] ld a, [H_QUOTIENT + 2] ld [wcf4b], a adc b ld [hl], a jr nc, .noCarry dec hl inc [hl] inc hl .noCarry ; calculate exp for the mon at max level, and cap the exp at that value inc hl push hl ld a, [wWhichPokemon] ld c, a ld b, 0 ld hl, wPartySpecies add hl, bc ld a, [hl] ; species ld [wd0b5], a call GetMonHeader ld d, MAX_LEVEL callab CalcExperience ; get max exp ; compare max exp with current exp ld a, [$ff96] ld b, a ld a, [$ff97] ld c, a ld a, [$ff98] ld d, a pop hl ld a, [hld] sub d ld a, [hld] sbc c ld a, [hl] sbc b jr c, .next2 ; the mon's exp is greater than the max exp, so overwrite it with the max exp ld a, b ld [hli], a ld a, c ld [hli], a ld a, d ld [hld], a dec hl .next2 push hl ld a, [wWhichPokemon] ld hl, wPartyMonNicks call GetPartyMonName ld hl, GainedText call PrintText xor a ; party mon data ld [wcc49], a call LoadMonData pop hl ld bc, wPartyMon1Level - wPartyMon1Exp add hl, bc push hl callba CalcLevelFromExperience pop hl ld a, [hl] ; current level cp d jp z, .nextMon ; if level didn't change, go to next mon ld a, [W_CURENEMYLVL] push af push hl ld a, d ld [W_CURENEMYLVL], a ld [hl], a ld bc, wPartyMon1Species - wPartyMon1Level add hl, bc ld a, [hl] ; species ld [wd0b5], a ld [wd11e], a call GetMonHeader ld bc, (wPartyMon1MaxHP + 1) - wPartyMon1Species add hl, bc push hl ld a, [hld] ld c, a ld b, [hl] push bc ; push max HP (from before levelling up) ld d, h ld e, l ld bc, (wPartyMon1HPExp - 1) - wPartyMon1MaxHP add hl, bc ld b, $1 ; consider stat exp when calculating stats call CalcStats pop bc ; pop max HP (from before levelling up) pop hl ld a, [hld] sub c ld c, a ld a, [hl] sbc b ld b, a ; bc = difference between old max HP and new max HP after levelling ld de, (wPartyMon1HP + 1) - wPartyMon1MaxHP add hl, de ; add to the current HP the amount of max HP gained when levelling ld a, [hl] ; wPartyMon1HP + 1 add c ld [hld], a ld a, [hl] ; wPartyMon1HP + 1 adc b ld [hl], a ; wPartyMon1HP ld a, [wPlayerMonNumber] ld b, a ld a, [wWhichPokemon] cp b ; is the current mon in battle? jr nz, .printGrewLevelText ; current mon is in battle ld de, wBattleMonHP ; copy party mon HP to battle mon HP ld a, [hli] ld [de], a inc de ld a, [hl] ld [de], a ; copy other stats from party mon to battle mon ld bc, wPartyMon1Level - (wPartyMon1HP + 1) add hl, bc push hl ld de, wBattleMonLevel ld bc, $b ; size of stats call CopyData pop hl ld a, [W_PLAYERBATTSTATUS3] bit 3, a ; is the mon transformed? jr nz, .recalcStatChanges ; the mon is transformed, so copy transformed data ld de, wcd0f ld bc, $b call CopyData .recalcStatChanges xor a ld [wd11e], a callab CalculateModifiedStats callab ApplyBurnAndParalysisPenaltiesToPlayer callab ApplyBadgeStatBoosts callab DrawPlayerHUDAndHPBar callab PrintEmptyString call SaveScreenTilesToBuffer1 .printGrewLevelText ld hl, GrewLevelText call PrintText xor a ; party mon data ld [wcc49], a call LoadMonData ld d, $1 callab PrintStatsBox call WaitForTextScrollButtonPress call LoadScreenTilesFromBuffer1 xor a ld [wcc49], a ld a, [wd0b5] ld [wd11e], a predef LearnMoveFromLevelUp ld hl, wccd3 ld a, [wWhichPokemon] ld c, a ld b, $1 predef FlagActionPredef pop hl pop af ld [W_CURENEMYLVL], a .nextMon ld a, [wPartyCount] ld b, a ld a, [wWhichPokemon] inc a cp b jr z, .done ld [wWhichPokemon], a ld bc, wPartyMon2 - wPartyMon1 ld hl, wPartyMon1 call AddNTimes jp .partyMonLoop .done ld hl, wPartyGainExpFlags xor a ld [hl], a ; clear gain exp flags ld a, [wPlayerMonNumber] ld c, a ld b, $1 push bc predef FlagActionPredef ; set the gain exp flag for the mon that is currently out ld hl, wPartyFoughtCurrentEnemyFlags xor a ld [hl], a pop bc predef_jump FlagActionPredef ; set the fought current enemy flag for the mon that is currently out ; divide enemy base stats, catch rate, and base exp by the number of mons gaining exp DivideExpDataByNumMonsGainingExp: ; 5546c (15:546c) ld a, [wPartyGainExpFlags] ld b, a xor a ld c, $8 ld d, $0 .countSetBitsLoop ; loop to count set bits in wPartyGainExpFlags xor a srl b adc d ld d, a dec c jr nz, .countSetBitsLoop cp $2 ret c ; return if only one mon is gaining exp ld [wd11e], a ; store number of mons gaining exp ld hl, wEnemyMonBaseStats ld c, $7 .divideLoop xor a ld [H_DIVIDEND], a ld a, [hl] ld [H_DIVIDEND + 1], a ld a, [wd11e] ld [H_DIVISOR], a ld b, $2 call Divide ; divide value by number of mons gaining exp ld a, [H_QUOTIENT + 3] ld [hli], a dec c jr nz, .divideLoop ret ; multiplies exp by 1.5 BoostExp: ; 5549f (15:549f) ld a, [H_QUOTIENT + 2] ld b, a ld a, [H_QUOTIENT + 3] ld c, a srl b rr c add c ld [H_QUOTIENT + 3], a ld a, [H_QUOTIENT + 2] adc b ld [H_QUOTIENT + 2], a ret GainedText: ; 554b2 (15:54b2) TX_FAR _GainedText db $08 ; asm ld a, [wcc5b] ld hl, WithExpAllText and a ret nz ld hl, ExpPointsText ld a, [wcf4d] and a ret z ld hl, BoostedText ret WithExpAllText: ; 554cb (15:54cb) TX_FAR _WithExpAllText db $08 ; asm ld hl, ExpPointsText ret BoostedText: ; 554d4 (15:54d4) TX_FAR _BoostedText ExpPointsText: ; 554d8 (15:54d8) TX_FAR _ExpPointsText db "@" GrewLevelText: ; 554dd (15:54dd) TX_FAR _GrewLevelText db $0b db "@"