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Rename battle files and split move effects Part 5
15.asm, 16.asm, 1a.asm, 1c.asm
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xCrystal
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6 changed files with 94 additions and 94 deletions
372
engine/battle/experience.asm
Normal file
372
engine/battle/experience.asm
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@ -0,0 +1,372 @@
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GainExperience: ; 5524f (15:524f)
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ld a, [wLinkState]
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cp LINK_STATE_BATTLING
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ret z ; return if link battle
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call DivideExpDataByNumMonsGainingExp
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ld hl, wPartyMon1
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xor a
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ld [wWhichPokemon], a
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.partyMonLoop ; loop over each mon and add gained exp
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inc hl
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ld a, [hli]
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or [hl] ; is mon's HP 0?
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jp z, .nextMon ; if so, go to next mon
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push hl
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ld hl, wPartyGainExpFlags
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ld a, [wWhichPokemon]
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ld c, a
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ld b, $2
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predef FlagActionPredef
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ld a, c
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and a ; is mon's gain exp flag set?
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pop hl
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jp z, .nextMon ; if mon's gain exp flag not set, go to next mon
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ld de, (wPartyMon1HPExp + 1) - (wPartyMon1HP + 1)
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add hl, de
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ld d, h
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ld e, l
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ld hl, wEnemyMonBaseStats
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ld c, $5
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.gainStatExpLoop
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ld a, [hli]
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ld b, a ; enemy mon base stat
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ld a, [de] ; stat exp
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add b ; add enemy mon base state to stat exp
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ld [de], a
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jr nc, .nextBaseStat
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; if there was a carry, increment the upper byte
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dec de
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ld a, [de]
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inc a
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jr z, .maxStatExp ; jump if the value overflowed
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ld [de], a
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inc de
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jr .nextBaseStat
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.maxStatExp ; if the upper byte also overflowed, then we have hit the max stat exp
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ld a, $ff
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ld [de], a
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inc de
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ld [de], a
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.nextBaseStat
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dec c
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jr z, .asm_552a1
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inc de
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inc de
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jr .gainStatExpLoop
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.asm_552a1
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xor a
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ld [H_MULTIPLICAND], a
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ld [H_MULTIPLICAND + 1], a
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ld a, [wEnemyMonBaseExp]
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ld [H_MULTIPLICAND + 2], a
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ld a, [wEnemyMonLevel]
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ld [H_MULTIPLIER], a
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call Multiply
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ld a, 7
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ld [H_DIVISOR], a
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ld b, 4
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call Divide
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ld hl, -((wPartyMon1HPExp + 1) - wPartyMon1OTID + 4 * 2)
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add hl, de
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ld b, [hl] ; party mon OTID
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inc hl
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ld a, [wPlayerID]
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cp b
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jr nz, .tradedMon
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ld b, [hl]
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ld a, [wPlayerID + 1]
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cp b
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ld a, $0
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jr z, .next
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.tradedMon
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call BoostExp ; traded mon exp boost
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ld a, $1
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.next
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ld [wGainBoostedExp], a
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ld a, [W_ISINBATTLE]
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dec a ; is it a trainer battle?
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call nz, BoostExp ; if so, boost exp
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inc hl
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inc hl
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inc hl
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; add the gained exp to the party mon's exp
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ld b, [hl]
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ld a, [H_QUOTIENT + 3]
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ld [wcf4c], a
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add b
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ld [hld], a
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ld b, [hl]
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ld a, [H_QUOTIENT + 2]
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ld [wcf4b], a
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adc b
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ld [hl], a
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jr nc, .noCarry
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dec hl
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inc [hl]
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inc hl
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.noCarry
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; calculate exp for the mon at max level, and cap the exp at that value
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inc hl
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push hl
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ld a, [wWhichPokemon]
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ld c, a
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ld b, 0
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ld hl, wPartySpecies
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add hl, bc
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ld a, [hl] ; species
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ld [wd0b5], a
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call GetMonHeader
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ld d, MAX_LEVEL
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callab CalcExperience ; get max exp
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; compare max exp with current exp
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ld a, [$ff96]
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ld b, a
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ld a, [$ff97]
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ld c, a
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ld a, [$ff98]
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ld d, a
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pop hl
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ld a, [hld]
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sub d
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ld a, [hld]
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sbc c
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ld a, [hl]
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sbc b
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jr c, .next2
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; the mon's exp is greater than the max exp, so overwrite it with the max exp
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ld a, b
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ld [hli], a
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ld a, c
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ld [hli], a
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ld a, d
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ld [hld], a
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dec hl
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.next2
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push hl
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ld a, [wWhichPokemon]
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ld hl, wPartyMonNicks
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call GetPartyMonName
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ld hl, GainedText
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call PrintText
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xor a ; party mon data
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ld [wcc49], a
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call LoadMonData
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pop hl
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ld bc, wPartyMon1Level - wPartyMon1Exp
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add hl, bc
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push hl
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callba CalcLevelFromExperience
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pop hl
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ld a, [hl] ; current level
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cp d
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jp z, .nextMon ; if level didn't change, go to next mon
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ld a, [W_CURENEMYLVL]
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push af
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push hl
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ld a, d
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ld [W_CURENEMYLVL], a
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ld [hl], a
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ld bc, wPartyMon1Species - wPartyMon1Level
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add hl, bc
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ld a, [hl] ; species
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ld [wd0b5], a
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ld [wd11e], a
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call GetMonHeader
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ld bc, (wPartyMon1MaxHP + 1) - wPartyMon1Species
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add hl, bc
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push hl
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ld a, [hld]
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ld c, a
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ld b, [hl]
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push bc ; push max HP (from before levelling up)
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ld d, h
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ld e, l
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ld bc, (wPartyMon1HPExp - 1) - wPartyMon1MaxHP
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add hl, bc
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ld b, $1 ; consider stat exp when calculating stats
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call CalcStats
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pop bc ; pop max HP (from before levelling up)
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pop hl
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ld a, [hld]
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sub c
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ld c, a
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ld a, [hl]
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sbc b
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ld b, a ; bc = difference between old max HP and new max HP after levelling
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ld de, (wPartyMon1HP + 1) - wPartyMon1MaxHP
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add hl, de
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; add to the current HP the amount of max HP gained when levelling
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ld a, [hl] ; wPartyMon1HP + 1
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add c
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ld [hld], a
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ld a, [hl] ; wPartyMon1HP + 1
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adc b
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ld [hl], a ; wPartyMon1HP
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ld a, [wPlayerMonNumber]
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ld b, a
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ld a, [wWhichPokemon]
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cp b ; is the current mon in battle?
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jr nz, .printGrewLevelText
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; current mon is in battle
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ld de, wBattleMonHP
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; copy party mon HP to battle mon HP
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ld a, [hli]
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ld [de], a
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inc de
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ld a, [hl]
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ld [de], a
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; copy other stats from party mon to battle mon
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ld bc, wPartyMon1Level - (wPartyMon1HP + 1)
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add hl, bc
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push hl
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ld de, wBattleMonLevel
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ld bc, $b ; size of stats
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call CopyData
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pop hl
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ld a, [W_PLAYERBATTSTATUS3]
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bit 3, a ; is the mon transformed?
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jr nz, .recalcStatChanges
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; the mon is not transformed, so update the unmodified stats
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ld de, wPlayerMonUnmodifiedLevel
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ld bc, $b
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call CopyData
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.recalcStatChanges
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xor a
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ld [wd11e], a
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callab CalculateModifiedStats
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callab ApplyBurnAndParalysisPenaltiesToPlayer
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callab ApplyBadgeStatBoosts
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callab DrawPlayerHUDAndHPBar
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callab PrintEmptyString
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call SaveScreenTilesToBuffer1
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.printGrewLevelText
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ld hl, GrewLevelText
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call PrintText
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xor a ; party mon data
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ld [wcc49], a
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call LoadMonData
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ld d, $1
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callab PrintStatsBox
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call WaitForTextScrollButtonPress
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call LoadScreenTilesFromBuffer1
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xor a
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ld [wcc49], a
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ld a, [wd0b5]
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ld [wd11e], a
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predef LearnMoveFromLevelUp
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ld hl, wccd3
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ld a, [wWhichPokemon]
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ld c, a
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ld b, $1
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predef FlagActionPredef
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pop hl
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pop af
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ld [W_CURENEMYLVL], a
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.nextMon
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ld a, [wPartyCount]
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ld b, a
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ld a, [wWhichPokemon]
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inc a
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cp b
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jr z, .done
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ld [wWhichPokemon], a
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ld bc, wPartyMon2 - wPartyMon1
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ld hl, wPartyMon1
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call AddNTimes
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jp .partyMonLoop
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.done
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ld hl, wPartyGainExpFlags
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xor a
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ld [hl], a ; clear gain exp flags
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ld a, [wPlayerMonNumber]
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ld c, a
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ld b, $1
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push bc
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predef FlagActionPredef ; set the gain exp flag for the mon that is currently out
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ld hl, wPartyFoughtCurrentEnemyFlags
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xor a
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ld [hl], a
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pop bc
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predef_jump FlagActionPredef ; set the fought current enemy flag for the mon that is currently out
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; divide enemy base stats, catch rate, and base exp by the number of mons gaining exp
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DivideExpDataByNumMonsGainingExp: ; 5546c (15:546c)
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ld a, [wPartyGainExpFlags]
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ld b, a
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xor a
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ld c, $8
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ld d, $0
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.countSetBitsLoop ; loop to count set bits in wPartyGainExpFlags
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xor a
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srl b
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adc d
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ld d, a
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dec c
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jr nz, .countSetBitsLoop
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cp $2
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ret c ; return if only one mon is gaining exp
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ld [wd11e], a ; store number of mons gaining exp
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ld hl, wEnemyMonBaseStats
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ld c, $7
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.divideLoop
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xor a
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ld [H_DIVIDEND], a
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ld a, [hl]
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ld [H_DIVIDEND + 1], a
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ld a, [wd11e]
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ld [H_DIVISOR], a
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ld b, $2
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call Divide ; divide value by number of mons gaining exp
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ld a, [H_QUOTIENT + 3]
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ld [hli], a
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dec c
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jr nz, .divideLoop
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ret
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; multiplies exp by 1.5
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BoostExp: ; 5549f (15:549f)
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ld a, [H_QUOTIENT + 2]
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ld b, a
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ld a, [H_QUOTIENT + 3]
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ld c, a
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srl b
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rr c
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add c
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ld [H_QUOTIENT + 3], a
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ld a, [H_QUOTIENT + 2]
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adc b
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ld [H_QUOTIENT + 2], a
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ret
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GainedText: ; 554b2 (15:54b2)
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TX_FAR _GainedText
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db $08 ; asm
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ld a, [wBoostExpByExpAll]
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ld hl, WithExpAllText
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and a
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ret nz
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ld hl, ExpPointsText
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ld a, [wGainBoostedExp]
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and a
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ret z
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ld hl, BoostedText
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ret
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WithExpAllText: ; 554cb (15:54cb)
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TX_FAR _WithExpAllText
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db $08 ; asm
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ld hl, ExpPointsText
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ret
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BoostedText: ; 554d4 (15:54d4)
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TX_FAR _BoostedText
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ExpPointsText: ; 554d8 (15:54d8)
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TX_FAR _ExpPointsText
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db "@"
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GrewLevelText: ; 554dd (15:54dd)
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TX_FAR _GrewLevelText
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db $0b
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db "@"
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