Import stuff from pokecrystal; diff gold and silver

1 files changed, 361 insertions, 0 deletions

diff --git a/home/battle.asm b/home/battle.asm
new file mode 100644
index 00000000..3fd59363
--- /dev/null
+++ b/home/battle.asm
@@ -0,0 +1,361 @@
+UserPartyAttr:: ; 3945
+	push af
+	ld a, [hBattleTurn]
+	and a
+	jr nz, .ot
+	pop af
+	jr BattlePartyAttr
+.ot
+	pop af
+	jr OTPartyAttr
+; 3951
+
+
+OpponentPartyAttr:: ; 3951
+	push af
+	ld a, [hBattleTurn]
+	and a
+	jr z, .ot
+	pop af
+	jr BattlePartyAttr
+.ot
+	pop af
+	jr OTPartyAttr
+; 395d
+
+
+BattlePartyAttr:: ; 395d
+; Get attribute a from the active BattleMon's party struct.
+	push bc
+	ld c, a
+	ld b, 0
+	ld hl, PartyMons
+	add hl, bc
+	ld a, [CurBattleMon]
+	call GetPartyLocation
+	pop bc
+	ret
+; 396d
+
+
+OTPartyAttr:: ; 396d
+; Get attribute a from the active EnemyMon's party struct.
+	push bc
+	ld c, a
+	ld b, 0
+	ld hl, OTPartyMon1Species
+	add hl, bc
+	ld a, [CurOTMon]
+	call GetPartyLocation
+	pop bc
+	ret
+; 397d
+
+
+ResetDamage:: ; 397d
+	xor a
+	ld [CurDamage], a
+	ld [CurDamage + 1], a
+	ret
+; 3985
+
+SetPlayerTurn:: ; 3985
+	xor a
+	ld [hBattleTurn], a
+	ret
+; 3989
+
+SetEnemyTurn:: ; 3989
+	ld a, 1
+	ld [hBattleTurn], a
+	ret
+; 398e
+
+
+UpdateOpponentInParty:: ; 398e
+	ld a, [hBattleTurn]
+	and a
+	jr z, UpdateEnemyMonInParty
+	jr UpdateBattleMonInParty
+; 3995
+
+UpdateUserInParty:: ; 3995
+	ld a, [hBattleTurn]
+	and a
+	jr z, UpdateBattleMonInParty
+	jr UpdateEnemyMonInParty
+; 399c
+
+UpdateBattleMonInParty:: ; 399c
+; Update level, status, current HP
+
+	ld a, [CurBattleMon]
+
+UpdateBattleMon:: ; 399f
+	ld hl, PartyMon1Level
+	call GetPartyLocation
+
+	ld d, h
+	ld e, l
+	ld hl, BattleMonLevel
+	ld bc, BattleMonMaxHP - BattleMonLevel
+	jp CopyBytes
+; 39b0
+
+UpdateEnemyMonInParty:: ; 39b0
+; Update level, status, current HP
+
+; No wildmons.
+	ld a, [wBattleMode]
+	dec a
+	ret z
+
+	ld a, [CurOTMon]
+	ld hl, OTPartyMon1Level
+	call GetPartyLocation
+
+	ld d, h
+	ld e, l
+	ld hl, EnemyMonLevel
+	ld bc, EnemyMonMaxHP - EnemyMonLevel
+	jp CopyBytes
+; 39c9
+
+
+RefreshBattleHuds:: ; 39c9
+	call UpdateBattleHuds
+	ld c, 3
+	call DelayFrames
+	jp WaitBGMap
+; 39d4
+
+UpdateBattleHuds:: ; 39d4
+	callba UpdatePlayerHUD
+	callba UpdateEnemyHUD
+	ret
+; 39e1
+
+
+GetBattleVar:: ; 39e1
+; Preserves hl.
+	push hl
+	call GetBattleVarAddr
+	pop hl
+	ret
+; 39e7
+
+GetBattleVarAddr:: ; 39e7
+; Get variable from pair a, depending on whose turn it is.
+; There are 21 variable pairs.
+
+	push bc
+
+	ld hl, .battlevarpairs
+	ld c, a
+	ld b, 0
+rept 2
+	add hl, bc
+endr
+
+	ld a, [hli]
+	ld h, [hl]
+	ld l, a
+
+; Enemy turn uses the second byte instead.
+; This lets battle variable calls be side-neutral.
+	ld a, [hBattleTurn]
+	and a
+	jr z, .getvar
+	inc hl
+	
+.getvar
+; var id
+	ld a, [hl]
+	ld c, a
+	ld b, 0
+
+	ld hl, .vars
+rept 2
+	add hl, bc
+endr
+
+	ld a, [hli]
+	ld h, [hl]
+	ld l, a
+	
+	ld a, [hl]
+	
+	pop bc
+	ret
+
+.battlevarpairs
+	dw .substatus1, .substatus2, .substatus3, .substatus4, .substatus5
+	dw .substatus1opp, .substatus2opp, .substatus3opp, .substatus4opp, .substatus5opp
+	dw .status, .statusopp, .animation, .effect, .power, .type
+	dw .curmove, .lastcounter, .lastcounteropp, .lastmove, .lastmoveopp
+
+;                       player                     enemy
+.substatus1     db PLAYER_SUBSTATUS_1,    ENEMY_SUBSTATUS_1
+.substatus1opp  db ENEMY_SUBSTATUS_1,     PLAYER_SUBSTATUS_1
+.substatus2     db PLAYER_SUBSTATUS_2,    ENEMY_SUBSTATUS_2
+.substatus2opp  db ENEMY_SUBSTATUS_2,     PLAYER_SUBSTATUS_2
+.substatus3     db PLAYER_SUBSTATUS_3,    ENEMY_SUBSTATUS_3
+.substatus3opp  db ENEMY_SUBSTATUS_3,     PLAYER_SUBSTATUS_3
+.substatus4     db PLAYER_SUBSTATUS_4,    ENEMY_SUBSTATUS_4
+.substatus4opp  db ENEMY_SUBSTATUS_4,     PLAYER_SUBSTATUS_4
+.substatus5     db PLAYER_SUBSTATUS_5,    ENEMY_SUBSTATUS_5
+.substatus5opp  db ENEMY_SUBSTATUS_5,     PLAYER_SUBSTATUS_5
+.status         db PLAYER_STATUS,         ENEMY_STATUS
+.statusopp      db ENEMY_STATUS,          PLAYER_STATUS
+.animation      db PLAYER_MOVE_ANIMATION, ENEMY_MOVE_ANIMATION
+.effect         db PLAYER_MOVE_EFFECT,    ENEMY_MOVE_EFFECT
+.power          db PLAYER_MOVE_POWER,     ENEMY_MOVE_POWER
+.type           db PLAYER_MOVE_TYPE,      ENEMY_MOVE_TYPE
+.curmove        db PLAYER_CUR_MOVE,       ENEMY_CUR_MOVE
+.lastcounter    db PLAYER_COUNTER_MOVE,   ENEMY_COUNTER_MOVE
+.lastcounteropp db ENEMY_COUNTER_MOVE,    PLAYER_COUNTER_MOVE
+.lastmove       db PLAYER_LAST_MOVE,      ENEMY_LAST_MOVE
+.lastmoveopp    db ENEMY_LAST_MOVE,       PLAYER_LAST_MOVE
+
+.vars
+	dw PlayerSubStatus1,             EnemySubStatus1
+	dw PlayerSubStatus2,             EnemySubStatus2
+	dw PlayerSubStatus3,             EnemySubStatus3
+	dw PlayerSubStatus4,             EnemySubStatus4
+	dw PlayerSubStatus5,             EnemySubStatus5
+	dw BattleMonStatus,              EnemyMonStatus
+	dw wPlayerMoveStructAnimation,   wEnemyMoveStructAnimation
+	dw wPlayerMoveStructEffect,      wEnemyMoveStructEffect
+	dw wPlayerMoveStructPower,       wEnemyMoveStructPower
+	dw wPlayerMoveStructType,        wEnemyMoveStructType
+	dw CurPlayerMove,                CurEnemyMove
+	dw LastEnemyCounterMove,         LastPlayerCounterMove
+	dw LastPlayerMove,               LastEnemyMove
+; 3a90
+
+
+FarCopyRadioText:: ; 3a90
+	inc hl
+	ld a, [hROMBank]
+	push af
+	ld a, [hli]
+	ld e, a
+	ld a, [hli]
+	ld d, a
+	ld a, [hli]
+	ld [hROMBank], a
+	ld [MBC3RomBank], a
+	ld a, e
+	ld l, a
+	ld a, d
+	ld h, a
+	ld de, wRadioText
+	ld bc, 2 * SCREEN_WIDTH
+	call CopyBytes
+	pop af
+	ld [hROMBank], a
+	ld [MBC3RomBank], a
+	ret
+; 3ab2
+
+
+MobileTextBorder:: ; 3ab2
+
+CELL_PHONE_TOP    EQU $5e
+CELL_PHONE_BOTTOM EQU $5f
+
+	; For mobile link battles only.
+	ld a, [wLinkMode]
+	cp LINK_MOBILE
+	ret c
+
+	; Draw a cell phone icon at the
+	; top right corner of the border.
+	hlcoord 19, 12
+	ld [hl], CELL_PHONE_TOP
+	hlcoord 19, 13
+	ld [hl], CELL_PHONE_BOTTOM
+	ret
+; 3ac3
+
+
+BattleTextBox:: ; 3ac3
+; Open a textbox and print text at hl.
+	push hl
+	call SpeechTextBox
+	call MobileTextBorder
+	call UpdateSprites
+	call ApplyTilemap
+	pop hl
+	call PrintTextBoxText
+	ret
+; 3ad5
+
+
+StdBattleTextBox:: ; 3ad5
+; Open a textbox and print battle text at 20:hl.
+
+GLOBAL BattleText
+
+	ld a, [hROMBank]
+	push af
+
+	ld a, BANK(BattleText)
+	rst Bankswitch
+
+	call BattleTextBox
+
+	pop af
+	rst Bankswitch
+	ret
+; 3ae1
+
+GetBattleAnimPointer:: ; 3ae1
+
+GLOBAL BattleAnimations
+GLOBAL BattleAnimCommands
+
+	ld a, BANK(BattleAnimations)
+	rst Bankswitch
+
+	ld a, [hli]
+	ld [BattleAnimAddress], a
+	ld a, [hl]
+	ld [BattleAnimAddress + 1], a
+
+	ld a, BANK(BattleAnimCommands)
+	rst Bankswitch
+
+	ret
+; 3af0
+
+GetBattleAnimByte:: ; 3af0
+
+	push hl
+	push de
+
+	ld hl, BattleAnimAddress
+	ld e, [hl]
+	inc hl
+	ld d, [hl]
+
+	ld a, BANK(BattleAnimations)
+	rst Bankswitch
+
+	ld a, [de]
+	ld [BattleAnimByte], a
+	inc de
+
+	ld a, BANK(BattleAnimCommands)
+	rst Bankswitch
+
+	ld [hl], d
+	dec hl
+	ld [hl], e
+
+	pop de
+	pop hl
+
+	ld a, [BattleAnimByte]
+	ret
+; 3b0c