First Commit

Upload literally everything from the pokecrystal16 expand-move-ID branch

engine/battle/move_effects/present.asm

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+BattleCommand_Present:
+; BUG: Present damage is incorrect in link battles (see docs/bugs_and_glitches.md)
+	ld a, [wLinkMode]
+	cp LINK_COLOSSEUM
+	jr z, .colosseum_skippush
+	push bc
+	push de
+.colosseum_skippush
+
+	call BattleCommand_Stab
+
+	ld a, [wLinkMode]
+	cp LINK_COLOSSEUM
+	jr z, .colosseum_skippop
+	pop de
+	pop bc
+.colosseum_skippop
+
+	ld a, [wTypeMatchup]
+	and a
+	jp z, AnimateFailedMove
+	ld a, [wAttackMissed]
+	and a
+	jp nz, AnimateFailedMove
+
+	push bc
+	call BattleRandom
+	ld b, a
+	ld hl, PresentPower
+	ld c, 0
+.next
+	ld a, [hli]
+	cp -1
+	jr z, .heal_effect
+	cp b
+	jr nc, .got_power
+	inc c
+	inc hl
+	jr .next
+
+.got_power
+	ld a, c
+	ld [wBattleAnimParam], a
+	call AnimateCurrentMoveEitherSide
+	ld d, [hl]
+	pop bc
+	ret
+
+.heal_effect
+	pop bc
+	ld a, $3 ; heal animation
+	ld [wBattleAnimParam], a
+	call AnimateCurrentMove
+	call BattleCommand_SwitchTurn
+	ld hl, AICheckPlayerMaxHP
+	ldh a, [hBattleTurn]
+	and a
+	jr z, .got_hp_fn_pointer
+	ld hl, AICheckEnemyMaxHP
+.got_hp_fn_pointer
+	ld a, BANK(AICheckPlayerMaxHP) ; aka BANK(AICheckEnemyMaxHP)
+	rst FarCall
+	jr c, .already_fully_healed
+
+	ld hl, GetQuarterMaxHP
+	call CallBattleCore
+	call BattleCommand_SwitchTurn
+	ld hl, RestoreHP
+	call CallBattleCore
+	call BattleCommand_SwitchTurn
+	ld hl, RegainedHealthText
+	call StdBattleTextbox
+	call BattleCommand_SwitchTurn
+	call UpdateOpponentInParty
+	jr .do_animation
+
+.already_fully_healed
+	call BattleCommand_SwitchTurn
+	call _CheckBattleScene
+	jr nc, .do_animation
+	call AnimateFailedMove
+	ld hl, PresentFailedText
+	call StdBattleTextbox
+.do_animation
+	jp EndMoveEffect
+
+INCLUDE "data/moves/present_power.asm"