Acid effect and CheckNoDamageOrEffect

src/constants/duel_constants.asm

@@ -71,15 +71,16 @@ SUBSTATUS1_NO_DAMAGE_17 EQU $17
 SUBSTATUS1_NEXT_TURN_DOUBLE_DAMAGE EQU $19
 SUBSTATUS1_REDUCE_BY_10 EQU $1e
 
-SUBSTATUS2_SMOKESCREEN  EQU $01
-SUBSTATUS2_SAND_ATTACK  EQU $02
-SUBSTATUS2_REDUCE_BY_20 EQU $03
-SUBSTATUS2_AMNESIA      EQU $04
-SUBSTATUS2_TAIL_WAG     EQU $05
-SUBSTATUS2_LEER         EQU $06
-SUBSTATUS2_POUNCE       EQU $07
-SUBSTATUS2_BONE_ATTACK  EQU $0b
-SUBSTATUS2_GROWL        EQU $12
+SUBSTATUS2_SMOKESCREEN    EQU $01
+SUBSTATUS2_SAND_ATTACK    EQU $02
+SUBSTATUS2_REDUCE_BY_20   EQU $03
+SUBSTATUS2_AMNESIA        EQU $04
+SUBSTATUS2_TAIL_WAG       EQU $05
+SUBSTATUS2_LEER           EQU $06
+SUBSTATUS2_POUNCE         EQU $07
+SUBSTATUS2_UNABLE_RETREAT EQU $09
+SUBSTATUS2_BONE_ATTACK    EQU $0b
+SUBSTATUS2_GROWL          EQU $12
 
 SUBSTATUS5_THIS_TURN_DOUBLE_DAMAGE EQU 0
 

src/data/effect_commands.asm

@@ -47,7 +47,7 @@ VictreebelLureEffectCommands:
 	db  $00
 
 VictreebelAcidEffectCommands:
-	dbw $03, $477e
+	dbw $03, AcidEffect
 	db  $00
 
 PinsirIronGripEffectCommands:

src/engine/effect_functions.asm

@@ -94,7 +94,33 @@ Func_2c09c: ; 2c09c (b:409c)
 	ret
 ; 0x2c0a2
 
-INCBIN "baserom.gbc",$2c0a2,$2c6f8 - $2c0a2
+INCBIN "baserom.gbc",$2c0a2,$2c149 - $2c0a2
+
+; apply a status condition identified by register a to the target if able
+ApplySubstatus2ToDefendingCard: ; 2c149 (b:4149)
+	push af
+	call CheckNoDamageOrEffect
+	jr c, .noDamageOrEffect
+	ld a, DUELVARS_ARENA_CARD_SUBSTATUS2
+	call GetNonTurnDuelistVariable
+	pop af
+	ld [hl], a
+	ld l, $f6
+	ld [hl], a
+	ret
+
+.noDamageOrEffect
+	pop af
+	push hl
+	bank1call $4f9d
+	pop hl
+	ld a, l
+	or h
+	call nz, DrawWideTextBox_PrintText
+	ret
+; 0x2c166
+
+INCBIN "baserom.gbc",$2c166,$2c6f8 - $2c166
 
 SpitPoison_Poison50PercentEffect: ; 2c6f8 (b:46f8)
 	text_de PoisonCheckText
@@ -106,4 +132,15 @@ SpitPoison_Poison50PercentEffect: ; 2c6f8 (b:46f8)
 	ret
 ; 0x2c70a
 
-INCBIN "baserom.gbc",$2c70a,$30000 - $2c70a
+INCBIN "baserom.gbc",$2c70a,$2c77e - $2c70a
+
+AcidEffect: ; 2c77e (b:477e)
+	text_de AcidCheckText
+	call TossCoin_BankB
+	ret nc
+	ld a, SUBSTATUS2_UNABLE_RETREAT
+	call ApplySubstatus2ToDefendingCard
+	ret
+; 0x2c78b
+
+INCBIN "baserom.gbc",$2c78b,$30000 - $2c78b

src/engine/home.asm

@@ -3160,10 +3160,10 @@ ApplyAttachedDefender: ; 1a7e (0:1a7e)
 	ld d, a
 	ret
 
-SubstractHP: ; 1a96 (0:1a96)
 ; hl: address to substract HP from
 ; de: how much HP to substract (damage to deal)
-; returns carry if the HP does not become 0 as a result
+; returns carry if the HP does not become 0 as a result	
+SubstractHP: ; 1a96 (0:1a96)
 	push hl
 	push de
 	ld a, [hl]
@@ -6475,7 +6475,41 @@ HandleTransparency: ; 348a (0:348a)
 	ret
 ; 0x34b7
 
-INCBIN "baserom.gbc",$34b7,$34e2 - $34b7
+; return carry and return the appropriate text pointer in hl if the target has an
+; special status or power that prevents any damage or effect done to it this turn
+CheckNoDamageOrEffect: ; 34b7 (0:34b7)
+	ld a, [wNoDamageOrEffect]
+	or a
+	ret z
+	bit 7, a
+	jr nz, .dontPrintText ; already been here so don't repeat the text
+	ld hl, wNoDamageOrEffect
+	set 7, [hl]
+	dec a
+	add a
+	ld e, a
+	ld d, $0
+	ld hl, NoDamageOrEffectTextPointerTable
+	add hl, de
+	ld a, [hli]
+	ld h, [hl]
+	ld l, a
+	scf
+	ret
+
+.dontPrintText
+	ld hl, $0000
+	scf
+	ret
+; 0x34d8
+
+NoDamageOrEffectTextPointerTable: ; 34d8 (0:34d8)
+	tx NoDamageOrEffectDueToAgilityText      ; NO_DAMAGE_OR_EFFECT_AGILITY
+	tx NoDamageOrEffectDueToBarrierText      ; NO_DAMAGE_OR_EFFECT_BARRIER
+	tx NoDamageOrEffectDueToFlyText          ; NO_DAMAGE_OR_EFFECT_FLY
+	tx NoDamageOrEffectDueToTransparencyText ; NO_DAMAGE_OR_EFFECT_TRANSPARENCY
+	tx NoDamageOrEffectDueToNShieldText      ; NO_DAMAGE_OR_EFFECT_NSHIELD
+; 0x34e2
 
 Func_34e2: ; 34e2 (0:34e2)
 	ld a, $27

src/text/text2.asm

@@ -1,4 +1,4 @@
-Text00f5: ; 38000 (e:4000)
+AcidCheckText: ; 38000 (e:4000)
 	text "Acid check! If Heads,"
 	line "unable to Retreat during next turn."
 	done

src/text/text_offsets.asm

@@ -247,7 +247,7 @@ TextOffsets:: ; 34000 (d:4000)
 	textpointer Text00f2
 	textpointer Text00f3
 	textpointer Text00f4
-	textpointer Text00f5
+	textpointer AcidCheckText
 	textpointer Text00f6
 	textpointer Text00f7
 	textpointer Text00f8