1 files changed, 99 insertions, 0 deletions
diff --git a/engine/battle/effect_commands/rollout.asm b/engine/battle/effect_commands/rollout.asm
new file mode 100644
index 000000000..4ce9ab3d8
--- /dev/null
+++ b/engine/battle/effect_commands/rollout.asm
@@ -0,0 +1,99 @@
+MAX_ROLLOUT_COUNT EQU 5
+
+
+BattleCommand_CheckCurl: ; 37718
+; checkcurl
+
+	ld de, PlayerRolloutCount
+	ld a, [hBattleTurn]
+	and a
+	jr z, .ok
+	ld de, EnemyRolloutCount
+.ok
+	ld a, BATTLE_VARS_SUBSTATUS1
+	call GetBattleVar
+	bit SUBSTATUS_ROLLOUT, a
+	jr z, .reset
+
+	ld b, $4 ; doturn
+	jp SkipToBattleCommand
+
+.reset
+	xor a
+	ld [de], a
+	ret
+; 37734
+
+
+BattleCommand_RolloutPower: ; 37734
+; rolloutpower
+
+	ld a, BATTLE_VARS_STATUS
+	call GetBattleVar
+	and SLP
+	ret nz
+
+	ld hl, PlayerRolloutCount
+	ld a, [hBattleTurn]
+	and a
+	jr z, .got_rollout_count
+	ld hl, EnemyRolloutCount
+
+.got_rollout_count
+	ld a, [hl]
+	and a
+	jr nz, .skip_set_rampage
+	ld a, 1
+	ld [wSomeoneIsRampaging], a
+
+.skip_set_rampage
+	ld a, [AttackMissed]
+	and a
+	jr z, .hit
+
+	ld a, BATTLE_VARS_SUBSTATUS1
+	call GetBattleVarAddr
+	res 6, [hl]
+	ret
+
+.hit
+	inc [hl]
+	ld a, [hl]
+	ld b, a
+	cp MAX_ROLLOUT_COUNT
+	jr c, .not_done_with_rollout
+
+	ld a, BATTLE_VARS_SUBSTATUS1
+	call GetBattleVarAddr
+	res SUBSTATUS_ROLLOUT, [hl]
+	jr .done_with_substatus_flag
+
+.not_done_with_rollout
+	ld a, BATTLE_VARS_SUBSTATUS1
+	call GetBattleVarAddr
+	set SUBSTATUS_ROLLOUT, [hl]
+
+.done_with_substatus_flag
+	ld a, BATTLE_VARS_SUBSTATUS2
+	call GetBattleVar
+	bit SUBSTATUS_CURLED, a
+	jr z, .not_curled
+	inc b
+.not_curled
+.loop
+	dec b
+	jr z, .done_damage
+
+	ld hl, CurDamage + 1
+	sla [hl]
+	dec hl
+	rl [hl]
+	jr nc, .loop
+
+	ld a, $ff
+	ld [hli], a
+	ld [hl], a
+
+.done_damage
+	ret
+; 37791