merge with be

asm/macros/battle_script.inc

@@ -1777,6 +1777,20 @@
 	various 0, VARIOUS_PICKPOCKET
 	.endm
 	
+	.macro doterrainseed battler:req, ptr:req
+	various \battler, VARIOUS_TERRAIN_SEED
+	.4byte \ptr
+	.endm
+	
+	.macro makeinvisible battler:req
+	various \battler, VARIOUS_MAKE_INVISIBLE
+	.endm
+	
+	.macro tryroomservice battler:req, ptr:req
+	various \battler, VARIOUS_ROOM_SERVICE
+	.4byte \ptr
+	.endm
+	
 @ helpful macros
 	.macro setstatchanger stat:req, stages:req, down:req
 	setbyte sSTATCHANGER \stat | \stages << 3 | \down << 7

data/battle_scripts_1.s

@@ -1530,6 +1530,7 @@ BattleScript_EffectPsychicTerrain:
 	printfromtable gTerrainStringIds
 	waitmessage B_WAIT_TIME_LONG
 	playanimation BS_SCRIPTING, B_ANIM_RESTORE_BG, NULL
+	call BattleScript_TerrainSeedLoop
 	goto BattleScript_MoveEnd
 
 BattleScript_EffectTopsyTurvy:
@@ -1852,6 +1853,26 @@ BattleScript_EffectMagnetRise:
 	goto BattleScript_MoveEnd
 
 BattleScript_EffectTrickRoom:
+	attackcanceler
+	attackstring
+	ppreduce
+	setroom
+	attackanimation
+	waitanimation
+	printfromtable gRoomsStringIds
+	waitmessage B_WAIT_TIME_LONG
+	savetarget
+	setbyte gBattlerTarget, 0
+BattleScript_RoomServiceLoop:
+	copybyte sBATTLER, gBattlerTarget
+	tryroomservice BS_TARGET, BattleScript_RoomServiceLoop_NextBattler
+	removeitem BS_TARGET
+BattleScript_RoomServiceLoop_NextBattler:
+	addbyte gBattlerTarget, 0x1
+	jumpifbytenotequal gBattlerTarget, gBattlersCount, BattleScript_RoomServiceLoop
+	restoretarget
+	goto BattleScript_MoveEnd
+	
 BattleScript_EffectWonderRoom:
 BattleScript_EffectMagicRoom:
 	attackcanceler
@@ -2163,18 +2184,21 @@ BattleScript_AlreadyAsleep::
 	pause B_WAIT_TIME_SHORT
 	printstring STRINGID_PKMNALREADYASLEEP
 	waitmessage B_WAIT_TIME_LONG
+	orhalfword gMoveResultFlags, MOVE_RESULT_FAILED
 	goto BattleScript_MoveEnd
 
 BattleScript_WasntAffected::
 	pause B_WAIT_TIME_SHORT
 	printstring STRINGID_PKMNWASNTAFFECTED
 	waitmessage B_WAIT_TIME_LONG
+	orhalfword gMoveResultFlags, MOVE_RESULT_FAILED
 	goto BattleScript_MoveEnd
 
 BattleScript_CantMakeAsleep::
 	pause B_WAIT_TIME_SHORT
 	printfromtable gUproarAwakeStringIds
 	waitmessage B_WAIT_TIME_LONG
+	orhalfword gMoveResultFlags, MOVE_RESULT_FAILED
 	goto BattleScript_MoveEnd
 
 BattleScript_EffectPoisonHit:
@@ -5547,16 +5571,28 @@ BattleScript_RoarSuccessSwitch::
 	waitstate
 	printstring STRINGID_PKMNWASDRAGGEDOUT
 	switchineffects BS_TARGET
+	jumpifbyte CMP_EQUAL, sSWITCH_CASE, B_SWITCH_RED_CARD, BattleScript_RoarSuccessSwitch_Ret
+	setbyte sSWITCH_CASE, B_SWITCH_NORMAL
 	goto BattleScript_MoveEnd
+BattleScript_RoarSuccessSwitch_Ret:
+	swapattackerwithtarget	@ continuation of RedCardActivates
+	restoretarget
+	removeitem BS_TARGET
+	setbyte sSWITCH_CASE, B_SWITCH_NORMAL
+	return
 
 BattleScript_RoarSuccessEndBattle::
 	call BattleScript_RoarSuccessRet
+	setbyte sSWITCH_CASE, B_SWITCH_NORMAL
 	setoutcomeonteleport BS_ATTACKER
 	finishaction
 
 BattleScript_RoarSuccessRet:
+	jumpifbyte CMP_EQUAL, sSWITCH_CASE, B_SWITCH_HIT, BattleScript_RoarSuccessRet_Ret
+	jumpifbyte CMP_EQUAL, sSWITCH_CASE, B_SWITCH_RED_CARD, BattleScript_RoarSuccessRet_Ret
 	attackanimation
 	waitanimation
+BattleScript_RoarSuccessRet_Ret:
 	switchoutabilities BS_TARGET
 	returntoball BS_TARGET
 	waitstate
@@ -5602,6 +5638,21 @@ BattleScript_TargetItemStatRaise::
 BattleScript_TargetItemStatRaiseRemoveItemRet:
 	return
 	
+BattleScript_AttackerItemStatRaise::
+	copybyte sBATTLER, gBattlerAttacker
+	statbuffchange MOVE_EFFECT_AFFECTS_USER, BattleScript_AttackerItemStatRaiseRet
+	jumpifbyte CMP_EQUAL, cMULTISTRING_CHOOSER, 0x2, BattleScript_AttackerItemStatRaiseRet
+	playanimation BS_ATTACKER, B_ANIM_HELD_ITEM_EFFECT, NULL
+	waitanimation
+	setgraphicalstatchangevalues
+	playanimation BS_ATTACKER, B_ANIM_STATS_CHANGE, sB_ANIM_ARG1
+	waitanimation
+	printstring STRINGID_USINGITEMSTATOFPKMNROSE
+	waitmessage 0x40
+	removeitem BS_ATTACKER
+BattleScript_AttackerItemStatRaiseRet:
+	return
+
 BattleScript_MistProtected::
 	pause B_WAIT_TIME_SHORT
 	printstring STRINGID_PKMNPROTECTEDBYMIST
@@ -6885,12 +6936,26 @@ BattleScript_SnowWarningActivates::
 	call BattleScript_WeatherFormChanges
 	end3
 	
+BattleScript_TerrainSeedLoop:	
+	savetarget
+	setbyte gBattlerTarget, 0
+BattleScript_TerrainSeedLoopIter:
+	copybyte sBATTLER, gBattlerTarget
+	doterrainseed BS_TARGET, BattleScript_TerrainSeedLoop_NextBattler
+	removeitem BS_TARGET
+BattleScript_TerrainSeedLoop_NextBattler:
+	addbyte gBattlerTarget, 0x1
+	jumpifbytenotequal gBattlerTarget, gBattlersCount, BattleScript_TerrainSeedLoopIter
+	restoretarget
+	return
+
 BattleScript_ElectricSurgeActivates::
 	pause B_WAIT_TIME_SHORT
 	call BattleScript_AbilityPopUp
 	printstring STRINGID_TERRAINBECOMESELECTRIC
 	waitmessage B_WAIT_TIME_LONG
 	playanimation BS_SCRIPTING, B_ANIM_RESTORE_BG, NULL
+	call BattleScript_TerrainSeedLoop
 	end3
 
 BattleScript_MistySurgeActivates::
@@ -6899,6 +6964,7 @@ BattleScript_MistySurgeActivates::
 	printstring STRINGID_TERRAINBECOMESMISTY
 	waitmessage B_WAIT_TIME_LONG
 	playanimation BS_SCRIPTING, B_ANIM_RESTORE_BG, NULL
+	call BattleScript_TerrainSeedLoop
 	end3
 
 BattleScript_GrassySurgeActivates::
@@ -6907,6 +6973,7 @@ BattleScript_GrassySurgeActivates::
 	printstring STRINGID_TERRAINBECOMESGRASSY
 	waitmessage B_WAIT_TIME_LONG
 	playanimation BS_SCRIPTING, B_ANIM_RESTORE_BG, NULL
+	call BattleScript_TerrainSeedLoop
 	end3
 
 BattleScript_PsychicSurgeActivates::
@@ -6915,6 +6982,7 @@ BattleScript_PsychicSurgeActivates::
 	printstring STRINGID_TERRAINBECOMESPSYCHIC
 	waitmessage B_WAIT_TIME_LONG
 	playanimation BS_SCRIPTING, B_ANIM_RESTORE_BG, NULL
+	call BattleScript_TerrainSeedLoop
 	end3
 
 BattleScript_BadDreamsActivates::
@@ -7066,6 +7134,7 @@ BattleScript_SoundproofProtected::
 	call BattleScript_AbilityPopUp
 	printstring STRINGID_PKMNSXBLOCKSY
 	waitmessage B_WAIT_TIME_LONG
+	orhalfword gMoveResultFlags, MOVE_RESULT_DOESNT_AFFECT_FOE
 	goto BattleScript_MoveEnd
 
 BattleScript_DazzlingProtected::
@@ -7109,6 +7178,7 @@ BattleScript_AbilityNoSpecificStatLoss::
 	printstring STRINGID_PKMNSXPREVENTSYLOSS
 	waitmessage B_WAIT_TIME_LONG
 	setbyte cMULTISTRING_CHOOSER, B_MSG_STAT_FELL_EMPTY
+	orhalfword gMoveResultFlags, MOVE_RESULT_NO_EFFECT
 	return
 
 BattleScript_StickyHoldActivates::
@@ -7710,12 +7780,13 @@ BattleScript_BerryStatRaiseEnd2::
 BattleScript_BerryStatRaiseEnd2_AbilityPopup:
 	call BattleScript_AbilityPopUp
 BattleScript_BerryStatRaiseEnd2_Anim:
-	playanimation BS_ATTACKER, B_ANIM_HELD_ITEM_EFFECT, NULL
+	statbuffchange STAT_BUFF_ALLOW_PTR, BattleScript_BerryStatRaiseEnd2_End
-	statbuffchange MOVE_EFFECT_AFFECTS_USER | STAT_BUFF_ALLOW_PTR, BattleScript_BerryStatRaiseDoStatUp
+	setgraphicalstatchangevalues
-BattleScript_BerryStatRaiseDoStatUp::
+	playanimation BS_ATTACKER, B_ANIM_HELD_ITEM_EFFECT, sB_ANIM_ARG1
 	setbyte cMULTISTRING_CHOOSER, B_MSG_STAT_ROSE_ITEM
 	call BattleScript_StatUp
 	removeitem BS_ATTACKER
+BattleScript_BerryStatRaiseEnd2_End::
 	end2
 
 BattleScript_BerryStatRaiseRet::
@@ -7724,12 +7795,13 @@ BattleScript_BerryStatRaiseRet::
 BattleScript_BerryStatRaiseRet_AbilityPopup:
 	call BattleScript_AbilityPopUp
 BattleScript_BerryStatRaiseRet_Anim:
-	playanimation BS_SCRIPTING, B_ANIM_HELD_ITEM_EFFECT, NULL
 	statbuffchange STAT_BUFF_ALLOW_PTR, BattleScript_BerryStatRaiseRet_End
-BattleScript_BerryStatRaiseRet_End:
+	setgraphicalstatchangevalues
+	playanimation BS_SCRIPTING, B_ANIM_HELD_ITEM_EFFECT, sB_ANIM_ARG1
 	setbyte cMULTISTRING_CHOOSER, B_MSG_STAT_ROSE_ITEM
 	call BattleScript_StatUp
 	removeitem BS_SCRIPTING
+BattleScript_BerryStatRaiseRet_End:
 	return
 
 BattleScript_BerryFocusEnergyEnd2::
@@ -7983,3 +8055,61 @@ BattleScript_StickyBarbTransfer::
 	removeitem BS_TARGET
 	return
 
+BattleScript_RedCardActivates::
+	playanimation BS_SCRIPTING, B_ANIM_HELD_ITEM_EFFECT, NULL
+	printstring STRINGID_REDCARDACTIVATE
+	waitmessage 0x40
+	swapattackerwithtarget
+	jumpifstatus3 BS_EFFECT_BATTLER, STATUS3_ROOTED, BattleScript_RedCardIngrain
+	jumpifability BS_EFFECT_BATTLER, ABILITY_SUCTION_CUPS, BattleScript_RedCardSuctionCups
+	setbyte sSWITCH_CASE, B_SWITCH_RED_CARD
+	forcerandomswitch BattleScript_RedCardEnd
+	@ changes the current battle script. the rest happens in BattleScript_RoarSuccessSwitch_Ret, if switch is successful
+BattleScript_RedCardEnd:
+	return
+BattleScript_RedCardIngrain:
+	printstring STRINGID_PKMNANCHOREDITSELF
+	waitmessage 0x40
+	removeitem BS_SCRIPTING
+	swapattackerwithtarget
+	return
+BattleScript_RedCardSuctionCups:
+	printstring STRINGID_PKMNANCHORSITSELFWITH	
+	waitmessage 0x40
+	removeitem BS_SCRIPTING
+	swapattackerwithtarget
+	return
+
+BattleScript_EjectButtonActivates::
+	makevisible BS_ATTACKER
+	playanimation BS_SCRIPTING, B_ANIM_HELD_ITEM_EFFECT, NULL
+	printstring STRINGID_EJECTBUTTONACTIVATE
+	waitmessage 0x40
+	removeitem BS_SCRIPTING
+	makeinvisible BS_SCRIPTING
+	openpartyscreen BS_SCRIPTING, BattleScript_EjectButtonEnd
+	switchoutabilities BS_SCRIPTING
+	waitstate
+	switchhandleorder BS_SCRIPTING 0x2
+	returntoball BS_SCRIPTING
+	getswitchedmondata BS_SCRIPTING
+	switchindataupdate BS_SCRIPTING
+	hpthresholds BS_SCRIPTING
+	printstring 0x3
+	switchinanim BS_SCRIPTING 0x1
+	waitstate
+	switchineffects BS_SCRIPTING
+BattleScript_EjectButtonEnd:
+	return
+
+BattleScript_EjectPackActivate_Ret::
+	goto BattleScript_EjectButtonActivates
+
+BattleScript_EjectPackActivate_End2::
+	call BattleScript_EjectPackActivate_Ret
+	end2
+
+BattleScript_EjectPackActivates::
+	jumpifcantswitch BS_SCRIPTING, BattleScript_EjectButtonEnd
+	goto BattleScript_EjectPackActivate_Ret
+

include/battle.h

@@ -126,7 +126,7 @@ struct ProtectStruct
     u32 stealMove:1;
     u32 prlzImmobility:1;
     u32 confusionSelfDmg:1;
-    u32 targetNotAffected:1;
+    u32 targetAffected:1;
     u32 chargingTurn:1;
     u32 fleeFlag:2; // For RunAway and Smoke Ball.
     u32 usedImprisonedMove:1;
@@ -145,6 +145,7 @@ struct ProtectStruct
     u32 micle:1;
     u32 custap:1;    // also quick claw
     u32 touchedProtectLike:1;
+    u32 disableEjectPack:1;
     u32 physicalDmg;
     u32 specialDmg;
     u8 physicalBattlerId;
@@ -153,6 +154,7 @@ struct ProtectStruct
 
 struct SpecialStatus
 {
+    u8 statFell:1;
     u8 statLowered:1;
     u8 lightningRodRedirected:1;
     u8 restoredBattlerSprite: 1;
@@ -596,6 +598,7 @@ struct BattleStruct
     u16 changedSpecies[PARTY_SIZE]; // For Zygarde or future forms when multiple mons can change into the same pokemon.
     u8 quickClawBattlerId;
     struct StolenItem itemStolen[PARTY_SIZE];  // Player's team that had items stolen (two bytes per party member)
+    u8 blunderPolicy:1; // should blunder policy activate
 };
 
 #define GET_MOVE_TYPE(move, typeArg)                        \
@@ -667,8 +670,9 @@ struct BattleScripting
     u16 moveEffect;
     u16 multihitMoveEffect;
     u8 illusionNickHack; // To properly display nick in STRINGID_ENEMYABOUTTOSWITCHPKMN.
-    bool8 fixedPopup;   // force ability popup to stick until manually called back
+    bool8 fixedPopup;   // Force ability popup to stick until manually called back
     u16 abilityPopupOverwrite;
+    u8 switchCase;  // Special switching conditions, eg. red card
 };
 
 // rom_80A5C6C

include/battle_scripts.h

@@ -373,6 +373,12 @@ extern const u8 BattleScript_BattlerShookOffTaunt[];
 extern const u8 BattleScript_BattlerGotOverItsInfatuation[];
 extern const u8 BattleScript_Pickpocket[];
 extern const u8 BattleScript_StickyBarbTransfer[];
+extern const u8 BattleScript_AttackerItemStatRaise[];
+extern const u8 BattleScript_RedCardActivates[];
+extern const u8 BattleScript_EjectButtonActivates[];
+extern const u8 BattleScript_EjectPackActivate_Ret[];
+extern const u8 BattleScript_EjectPackActivate_End2[];
+extern const u8 BattleScript_EjectPackActivates[];
 extern const u8 BattleScript_MentalHerbCureRet[];
 extern const u8 BattleScript_MentalHerbCureEnd2[];
 

include/battle_util.h

@@ -28,9 +28,10 @@
 
 #define ITEMEFFECT_ON_SWITCH_IN                 0x0
 #define ITEMEFFECT_MOVE_END                     0x3
-#define ITEMEFFECT_KINGSROCK_SHELLBELL          0x4
+#define ITEMEFFECT_KINGSROCK                    0x4
 #define ITEMEFFECT_TARGET                       0x5
 #define ITEMEFFECT_ORBS                         0x6
+#define ITEMEFFECT_LIFEORB_SHELLBELL            0x7
 
 #define WEATHER_HAS_EFFECT ((!IsAbilityOnField(ABILITY_CLOUD_NINE) && !IsAbilityOnField(ABILITY_AIR_LOCK)))
 
@@ -144,7 +145,12 @@ void TryRestoreStolenItems(void);
 bool32 CanStealItem(u8 battlerStealing, u8 battlerItem, u16 item);
 void TrySaveExchangedItem(u8 battlerId, u16 stolenItem);
 bool32 IsPartnerMonFromSameTrainer(u8 battlerId);
-
+u8 TryHandleSeed(u8 battler, u32 terrainFlag, u8 statId, u16 itemId, bool32 execute);
+bool32 IsBattlerAffectedByHazards(u8 battlerId, bool32 toxicSpikes);
+void SortBattlersBySpeed(u8 *battlers, bool8 slowToFast);
+bool32 CompareStat(u8 battlerId, u8 statId, u8 cmpTo, u8 cmpKind);
+bool32 TryRoomService(u8 battlerId);
+void BufferStatChange(u8 battlerId, u8 statId, u8 stringId);
 
 // ability checks
 bool32 IsRolePlayBannedAbilityAtk(u16 ability);

include/constants/battle_script_commands.h

@@ -37,6 +37,7 @@
 #define sILLUSION_NICK_HACK gBattleScripting + 0x32
 #define sFIXED_ABILITY_POPUP gBattleScripting + 0x33
 #define sABILITY_OVERWRITE gBattleScripting + 0x34
+#define sSWITCH_CASE gBattleScripting + 0x36
 
 #define cMULTISTRING_CHOOSER gBattleCommunication + 5
 #define cMISS_TYPE gBattleCommunication + 6
@@ -174,6 +175,9 @@
 #define VARIOUS_TOTEM_BOOST                     103
 #define VARIOUS_TRY_ACTIVATE_GRIM_NEIGH         104
 #define VARIOUS_MOVEEND_ITEM_EFFECTS            105
+#define VARIOUS_TERRAIN_SEED                    106
+#define VARIOUS_MAKE_INVISIBLE                  107
+#define VARIOUS_ROOM_SERVICE                    108
 
 // Cmd_manipulatedamage
 #define DMG_CHANGE_SIGN            0
@@ -228,16 +232,24 @@
 #define MOVEEND_ITEM_EFFECTS_TARGET               13
 #define MOVEEND_MOVE_EFFECTS2                     14
 #define MOVEEND_ITEM_EFFECTS_ALL                  15
-#define MOVEEND_KINGSROCK_SHELLBELL               16
+#define MOVEEND_KINGSROCK                         16    // These item effects will occur each strike of a multi-hit move
 #define MOVEEND_SUBSTITUTE                        17
 #define MOVEEND_UPDATE_LAST_MOVES                 18
 #define MOVEEND_MIRROR_MOVE                       19
-#define MOVEEND_NEXT_TARGET                       20
+#define MOVEEND_NEXT_TARGET                       20    // Everything up until here is handled for each strike of a multi-hit move
-#define MOVEEND_LIFE_ORB                          21
+#define MOVEEND_EJECT_BUTTON                      21
-#define MOVEEND_PICKPOCKET                        22
+#define MOVEEND_RED_CARD                          22
-#define MOVEEND_DANCER                            23
+#define MOVEEND_EJECT_PACK                        23
-#define MOVEEND_EMERGENCY_EXIT                    24
+#define MOVEEND_LIFEORB_SHELLBELL                 24    // Includes shell bell, throat spray, etc
-#define MOVEEND_CLEAR_BITS                        25
+#define MOVEEND_PICKPOCKET                        25
-#define MOVEEND_COUNT                             26
+#define MOVEEND_DANCER                            26
+#define MOVEEND_EMERGENCY_EXIT                    27
+#define MOVEEND_CLEAR_BITS                        28
+#define MOVEEND_COUNT                             29
+
+// switch cases
+#define B_SWITCH_NORMAL     0
+#define B_SWITCH_HIT        1   // dragon tail, circle throw
+#define B_SWITCH_RED_CARD   2
 
 #endif // GUARD_CONSTANTS_BATTLE_SCRIPT_COMMANDS_H

include/constants/battle_string_ids.h

@@ -573,11 +573,13 @@
 #define STRINGID_ITEMCANNOTBEREMOVED             569
 #define STRINGID_STICKYBARBTRANSFER              570
 #define STRINGID_PKMNBURNHEALED                  571
-#define STRINGID_ATKGOTOVERINFATUATION           572
+#define STRINGID_REDCARDACTIVATE                 572
-#define STRINGID_TORMENTEDNOMORE                 573
+#define STRINGID_EJECTBUTTONACTIVATE             573
-#define STRINGID_HEALBLOCKEDNOMORE               574
+#define STRINGID_ATKGOTOVERINFATUATION           574
+#define STRINGID_TORMENTEDNOMORE                 575
+#define STRINGID_HEALBLOCKEDNOMORE               576
 
-#define BATTLESTRINGS_COUNT                      575
+#define BATTLESTRINGS_COUNT                      577
 
 // The below IDs are all indexes into battle message tables,
 // used to determine which of a set of messages to print.

include/constants/hold_effects.h

@@ -154,4 +154,10 @@
 
 #define HOLD_EFFECT_CHOICE(holdEffect)((holdEffect == HOLD_EFFECT_CHOICE_BAND || holdEffect == HOLD_EFFECT_CHOICE_SCARF || holdEffect == HOLD_EFFECT_CHOICE_SPECS))
 
+// Terrain seed params
+#define HOLD_EFFECT_PARAM_ELECTRIC_TERRAIN  0
+#define HOLD_EFFECT_PARAM_GRASSY_TERRAIN    1
+#define HOLD_EFFECT_PARAM_MISTY_TERRAIN     2
+#define HOLD_EFFECT_PARAM_PSYCHIC_TERRAIN   3
+
 #endif // GUARD_HOLD_EFFECTS_H

src/battle_main.c

@@ -3033,6 +3033,10 @@ void SwitchInClearSetData(void)
     gCurrentMove = 0;
     gBattleStruct->arenaTurnCounter = 0xFF;
     
+    // Reset damage to prevent things like red card activating if the switched-in mon is holding it
+    gSpecialStatuses[gActiveBattler].physicalDmg = 0;
+    gSpecialStatuses[gActiveBattler].specialDmg = 0;
+
     ClearBattlerMoveHistory(gActiveBattler);
     ClearBattlerAbilityHistory(gActiveBattler);
     ClearBattlerItemEffectHistory(gActiveBattler);
@@ -3074,7 +3078,7 @@ void FaintClearSetData(void)
     gProtectStructs[gActiveBattler].stealMove = 0;
     gProtectStructs[gActiveBattler].prlzImmobility = 0;
     gProtectStructs[gActiveBattler].confusionSelfDmg = 0;
-    gProtectStructs[gActiveBattler].targetNotAffected = 0;
+    gProtectStructs[gActiveBattler].targetAffected = 0;
     gProtectStructs[gActiveBattler].chargingTurn = 0;
     gProtectStructs[gActiveBattler].fleeFlag = 0;
     gProtectStructs[gActiveBattler].usedImprisonedMove = 0;

src/battle_message.c

@@ -699,15 +699,20 @@ static const u8 sText_PkmnGotOverItsInfatuation[] = _("{B_SCR_ACTIVE_NAME_WITH_P
 static const u8 sText_ItemCannotBeRemoved[] = _("{B_ATK_NAME_WITH_PREFIX}'s item cannot be removed!");
 static const u8 sText_StickyBarbTransfer[] = _("The {B_LAST_ITEM} attached itself to\n{B_ATK_NAME_WITH_PREFIX}!");
 static const u8 sText_PkmnBurnHealed[] = _("{B_DEF_NAME_WITH_PREFIX}'s\nburn was healed.");
+static const u8 sText_RedCardActivate[] = _("{B_SCR_ACTIVE_NAME_WITH_PREFIX} held up its {B_LAST_ITEM}\nagainst {B_ATK_NAME_WITH_PREFIX}!");
+static const u8 sText_EjectButtonActivate[] = _("{B_SCR_ACTIVE_NAME_WITH_PREFIX} is switched\nout with the {B_LAST_ITEM}!");
 static const u8 sText_AttackerGotOverInfatuation[] =_("{B_ATK_NAME_WITH_PREFIX} got over\nits infatuation!");
 static const u8 sText_TormentedNoMore[] = _("{B_ATK_NAME_WITH_PREFIX} is\ntormented no more!");
 static const u8 sText_HealBlockedNoMore[] = _("{B_ATK_NAME_WITH_PREFIX} is cured of\nits heal block!");
 
+
 const u8 *const gBattleStringsTable[BATTLESTRINGS_COUNT] =
 {
     [STRINGID_HEALBLOCKEDNOMORE - 12] = sText_HealBlockedNoMore,
     [STRINGID_TORMENTEDNOMORE - 12] = sText_TormentedNoMore,
     [STRINGID_ATKGOTOVERINFATUATION - 12] = sText_AttackerGotOverInfatuation,
+    [STRINGID_EJECTBUTTONACTIVATE - 12] = sText_EjectButtonActivate,
+    [STRINGID_REDCARDACTIVATE - 12] = sText_RedCardActivate,
     [STRINGID_PKMNBURNHEALED - 12] = sText_PkmnBurnHealed,
     [STRINGID_STICKYBARBTRANSFER - 12] = sText_StickyBarbTransfer,
     [STRINGID_ITEMCANNOTBEREMOVED - 12] = sText_ItemCannotBeRemoved,

src/battle_script_commands.c

@@ -1681,6 +1681,9 @@ static void Cmd_accuracycheck(void)
         if ((Random() % 100 + 1) > GetTotalAccuracy(gBattlerAttacker, gBattlerTarget, move))
         {
             gMoveResultFlags |= MOVE_RESULT_MISSED;
+            if (GetBattlerHoldEffect(gBattlerAttacker, TRUE) == HOLD_EFFECT_BLUNDER_POLICY)
+                gBattleStruct->blunderPolicy = TRUE;    // Only activates from missing through acc/evasion checks
+            
             if (gBattleTypeFlags & BATTLE_TYPE_DOUBLE &&
                 (gBattleMoves[move].target == MOVE_TARGET_BOTH || gBattleMoves[move].target == MOVE_TARGET_FOES_AND_ALLY))
                 gBattleCommunication[MISS_TYPE] = B_MSG_AVOIDED_ATK;
@@ -3597,52 +3600,11 @@ static void Cmd_jumpifstat(void)
 {
     bool32 ret = 0;
     u8 battlerId = GetBattlerForBattleScript(gBattlescriptCurrInstr[1]);
-    u8 statValue = gBattleMons[battlerId].statStages[gBattlescriptCurrInstr[3]];
+    u8 statId = gBattlescriptCurrInstr[3];
     u8 cmpTo = gBattlescriptCurrInstr[4];
     u8 cmpKind = gBattlescriptCurrInstr[2];
 
-    // Because this command is used as a way of checking if a stat can be lowered/raised,
+    ret = CompareStat(battlerId, statId, cmpTo, cmpKind);
-    // we need to do some modification at run-time.
-    if (GetBattlerAbility(battlerId) == ABILITY_CONTRARY)
-    {
-        if (cmpKind == CMP_GREATER_THAN)
-            cmpKind = CMP_LESS_THAN;
-        else if (cmpKind == CMP_LESS_THAN)
-            cmpKind = CMP_GREATER_THAN;
-
-        if (cmpTo == 0)
-            cmpTo = 0xC;
-        else if (cmpTo == 0xC)
-            cmpTo = 0;
-    }
-
-    switch (cmpKind)
-    {
-    case CMP_EQUAL:
-        if (statValue == cmpTo)
-            ret++;
-        break;
-    case CMP_NOT_EQUAL:
-        if (statValue != cmpTo)
-            ret++;
-        break;
-    case CMP_GREATER_THAN:
-        if (statValue > cmpTo)
-            ret++;
-        break;
-    case CMP_LESS_THAN:
-        if (statValue < cmpTo)
-            ret++;
-        break;
-    case CMP_COMMON_BITS:
-        if (statValue & cmpTo)
-            ret++;
-        break;
-    case CMP_NO_COMMON_BITS:
-        if (!(statValue & cmpTo))
-            ret++;
-        break;
-    }
 
     if (ret)
         gBattlescriptCurrInstr = T2_READ_PTR(gBattlescriptCurrInstr + 5);
@@ -4844,7 +4806,7 @@ static void Cmd_moveend(void)
                 && gBattleMons[gBattlerTarget].hp != 0 && gBattlerAttacker != gBattlerTarget
                 && GetBattlerSide(gBattlerAttacker) != GetBattlerSide(gBattlerTarget)
                 && !(gMoveResultFlags & MOVE_RESULT_NO_EFFECT) && TARGET_TURN_DAMAGED
-                && gBattleMoves[gCurrentMove].power && gBattleMons[gBattlerTarget].statStages[STAT_ATK] < MAX_STAT_STAGE)
+                && gBattleMoves[gCurrentMove].power && CompareStat(gBattlerTarget, STAT_ATK, MAX_STAT_STAGE, CMP_LESS_THAN))
             {
                 gBattleMons[gBattlerTarget].statStages[STAT_ATK]++;
                 BattleScriptPushCursor();
@@ -4951,8 +4913,9 @@ static void Cmd_moveend(void)
             else
                 gBattleScripting.moveendState++;
             break;
-        case MOVEEND_KINGSROCK_SHELLBELL: // king's rock and shell bell
+        case MOVEEND_KINGSROCK: // King's rock
-            if (ItemBattleEffects(ITEMEFFECT_KINGSROCK_SHELLBELL, 0, FALSE))
+            // These effects will occur at each hit in a multi-strike move
+            if (ItemBattleEffects(ITEMEFFECT_KINGSROCK, 0, FALSE))
                 effect = TRUE;
             gBattleScripting.moveendState++;
             break;
@@ -5080,6 +5043,11 @@ static void Cmd_moveend(void)
             gBattleScripting.moveendState++;
             break;
         case MOVEEND_NEXT_TARGET: // For moves hitting two opposing Pokemon.
+            // Set a flag if move hits either target (for throat spray that can't check damage)
+            if (!(gHitMarker & HITMARKER_UNABLE_TO_USE_MOVE)
+             && !(gMoveResultFlags & MOVE_RESULT_NO_EFFECT))
+                gProtectStructs[gBattlerAttacker].targetAffected = 1;
+        
             if (!(gHitMarker & HITMARKER_UNABLE_TO_USE_MOVE)
                 && gBattleTypeFlags & BATTLE_TYPE_DOUBLE
                 && !gProtectStructs[gBattlerAttacker].chargingTurn
@@ -5124,21 +5092,104 @@ static void Cmd_moveend(void)
             RecordLastUsedMoveBy(gBattlerAttacker, gCurrentMove);
             gBattleScripting.moveendState++;
             break;
-        case MOVEEND_LIFE_ORB:
+        case MOVEEND_EJECT_BUTTON:
-            if (GetBattlerHoldEffect(gBattlerAttacker, TRUE) == HOLD_EFFECT_LIFE_ORB
+            if (gCurrentMove != MOVE_DRAGON_TAIL
+              && gCurrentMove != MOVE_CIRCLE_THROW
               && IsBattlerAlive(gBattlerAttacker)
-                && !(TestSheerForceFlag(gBattlerAttacker, gCurrentMove))
+              && !TestSheerForceFlag(gBattlerAttacker, gCurrentMove)
-                && GetBattlerAbility(gBattlerAttacker) != ABILITY_MAGIC_GUARD
+              && (GetBattlerSide(gBattlerAttacker) == B_SIDE_PLAYER || (gBattleTypeFlags & BATTLE_TYPE_TRAINER)))
-                && gSpecialStatuses[gBattlerAttacker].damagedMons)
             {
-                gBattleMoveDamage = gBattleMons[gBattlerAttacker].maxHP / 10;
+                // Since we check if battler was damaged, we don't need to check move result.
-                if (gBattleMoveDamage == 0)
+                // In fact, doing so actually prevents multi-target moves from activating eject button properly
-                    gBattleMoveDamage = 1;
+                u8 battlers[4] = {0, 1, 2, 3};
-                effect = TRUE;
+                SortBattlersBySpeed(battlers, FALSE);
+                for (i = 0; i < gBattlersCount; i++)
+                {
+                    u8 battler = battlers[i];
+                    // Attacker is the damage-dealer, battler is mon to be switched out
+                    if (IsBattlerAlive(battler)
+                      && GetBattlerHoldEffect(battler, TRUE) == HOLD_EFFECT_EJECT_BUTTON
+                      && !DoesSubstituteBlockMove(gCurrentMove, gBattlerAttacker, battler)
+                      && (gSpecialStatuses[battler].physicalDmg != 0 || gSpecialStatuses[battler].specialDmg != 0)
+                      && CountUsablePartyMons(battler) > 0)  // Has mon to switch into
+                    {
+                        gActiveBattler = gBattleScripting.battler = battler;
+                        gLastUsedItem = gBattleMons[battler].item;
+                        if (gBattleMoves[gCurrentMove].effect == EFFECT_HIT_ESCAPE)
+                            gBattlescriptCurrInstr = BattleScript_MoveEnd;  // Prevent user switch-in selection
                         BattleScriptPushCursor();
-                gBattlescriptCurrInstr = BattleScript_ItemHurtRet;
+                        gBattlescriptCurrInstr = BattleScript_EjectButtonActivates;
-                gLastUsedItem = gBattleMons[gBattlerAttacker].item;
+                        effect = TRUE;
+                        break; // Only the fastest Eject Button activates
                     }
+                }
+            }
+            gBattleScripting.moveendState++;
+            break;
+        case MOVEEND_RED_CARD:
+            if (gCurrentMove != MOVE_DRAGON_TAIL
+              && gCurrentMove != MOVE_CIRCLE_THROW
+              && IsBattlerAlive(gBattlerAttacker)
+              && !TestSheerForceFlag(gBattlerAttacker, gCurrentMove))
+            {
+                // Since we check if battler was damaged, we don't need to check move result.
+                // In fact, doing so actually prevents multi-target moves from activating red card properly
+                u8 battlers[4] = {0, 1, 2, 3};
+                SortBattlersBySpeed(battlers, FALSE);
+                for (i = 0; i < gBattlersCount; i++)
+                {
+                    u8 battler = battlers[i];
+                    // Search for fastest hit pokemon with a red card
+                    // Attacker is the one to be switched out, battler is one with red card
+                    if (battler != gBattlerAttacker
+                      && IsBattlerAlive(battler)
+                      && !DoesSubstituteBlockMove(gCurrentMove, gBattlerAttacker, battler)
+                      && GetBattlerHoldEffect(battler, TRUE) == HOLD_EFFECT_RED_CARD
+                      && (gSpecialStatuses[battler].physicalDmg != 0 || gSpecialStatuses[battler].specialDmg != 0)
+                      && CanBattlerSwitch(gBattlerAttacker))
+                    {                        
+                        gLastUsedItem = gBattleMons[battler].item;
+                        gActiveBattler = gBattleStruct->savedBattlerTarget = gBattleScripting.battler = battler;  // Battler with red card
+                        gEffectBattler = gBattlerAttacker;
+                        if (gBattleMoves[gCurrentMove].effect == EFFECT_HIT_ESCAPE)
+                            gBattlescriptCurrInstr = BattleScript_MoveEnd;  // Prevent user switch-in selection
+                        BattleScriptPushCursor();
+                        gBattlescriptCurrInstr = BattleScript_RedCardActivates;
+                        effect = TRUE;
+                        break;  // Only fastest red card activates
+                    }
+                }
+            }
+            gBattleScripting.moveendState++;
+            break;
+        case MOVEEND_EJECT_PACK:
+            {
+                u8 battlers[4] = {0, 1, 2, 3};
+                SortBattlersBySpeed(battlers, FALSE);
+                for (i = 0; i < gBattlersCount; i++)
+                {
+                    u8 battler = battlers[i];
+                    if (IsBattlerAlive(battler)
+                     && gSpecialStatuses[battler].statFell
+                     && GetBattlerHoldEffect(battler, TRUE) == HOLD_EFFECT_EJECT_PACK
+                     && !(gCurrentMove == MOVE_PARTING_SHOT && CanBattlerSwitch(gBattlerAttacker))  // Does not activate if attacker used Parting Shot and can switch out
+                     && CountUsablePartyMons(battler) > 0)  // Has mon to switch into
+                    {
+                        gSpecialStatuses[battler].statFell = FALSE;
+                        gActiveBattler = gBattleScripting.battler = battler;
+                        gLastUsedItem = gBattleMons[battler].item;
+                        BattleScriptPushCursor();
+                        gBattlescriptCurrInstr = BattleScript_EjectPackActivates;
+                        effect = TRUE;
+                        break;  // Only fastest eject pack activates
+                    }
+                }
+            }
+            gBattleScripting.moveendState++;
+            break;
+        case MOVEEND_LIFEORB_SHELLBELL:
+            if (ItemBattleEffects(ITEMEFFECT_LIFEORB_SHELLBELL, 0, FALSE))
+                effect = TRUE;
             gBattleScripting.moveendState++;
             break;
         case MOVEEND_PICKPOCKET:
@@ -5241,6 +5292,7 @@ static void Cmd_moveend(void)
             if (gSpecialStatuses[gBattlerAttacker].dancerOriginalTarget)
                 *(gBattleStruct->moveTarget + gBattlerAttacker) = gSpecialStatuses[gBattlerAttacker].dancerOriginalTarget & 0x3;
             gProtectStructs[gBattlerAttacker].usesBouncedMove = 0;
+            gProtectStructs[gBattlerAttacker].targetAffected = 0;
             gBattleStruct->ateBoost[gBattlerAttacker] = 0;
             gStatuses3[gBattlerAttacker] &= ~(STATUS3_ME_FIRST);
             gSpecialStatuses[gBattlerAttacker].gemBoost = 0;
@@ -5510,6 +5562,7 @@ bool32 CanBattlerSwitch(u32 battlerId)
         }
         else
         {
+            // Check if attacker side has mon to switch into
             battlerIn1 = GetBattlerAtPosition(B_POSITION_PLAYER_LEFT);
 
             if (gBattleTypeFlags & BATTLE_TYPE_DOUBLE)
@@ -5944,6 +5997,7 @@ static void Cmd_switchineffects(void)
     if (!(gSideStatuses[GetBattlerSide(gActiveBattler)] & SIDE_STATUS_SPIKES_DAMAGED)
         && (gSideStatuses[GetBattlerSide(gActiveBattler)] & SIDE_STATUS_SPIKES)
         && GetBattlerAbility(gActiveBattler) != ABILITY_MAGIC_GUARD
+        && IsBattlerAffectedByHazards(gActiveBattler, FALSE)
         && IsBattlerGrounded(gActiveBattler))
     {
         u8 spikesDmg = (5 - gSideTimers[GetBattlerSide(gActiveBattler)].spikesAmount) * 2;
@@ -5956,6 +6010,7 @@ static void Cmd_switchineffects(void)
     }
     else if (!(gSideStatuses[GetBattlerSide(gActiveBattler)] & SIDE_STATUS_STEALTH_ROCK_DAMAGED)
         && (gSideStatuses[GetBattlerSide(gActiveBattler)] & SIDE_STATUS_STEALTH_ROCK)
+        && IsBattlerAffectedByHazards(gActiveBattler, FALSE)
         && GetBattlerAbility(gActiveBattler) != ABILITY_MAGIC_GUARD)
     {
         gSideStatuses[GetBattlerSide(gActiveBattler)] |= SIDE_STATUS_STEALTH_ROCK_DAMAGED;
@@ -5977,7 +6032,7 @@ static void Cmd_switchineffects(void)
             BattleScriptPushCursor();
             gBattlescriptCurrInstr = BattleScript_ToxicSpikesAbsorbed;
         }
-        else
+        else if (IsBattlerAffectedByHazards(gActiveBattler, TRUE))
         {
             if (!(gBattleMons[gActiveBattler].status1 & STATUS1_ANY)
                 && !IS_BATTLER_OF_TYPE(gActiveBattler, TYPE_STEEL)
@@ -5999,6 +6054,7 @@ static void Cmd_switchineffects(void)
     }
     else if (!(gSideStatuses[GetBattlerSide(gActiveBattler)] & SIDE_STATUS_STICKY_WEB_DAMAGED)
         && (gSideStatuses[GetBattlerSide(gActiveBattler)] & SIDE_STATUS_STICKY_WEB)
+        && IsBattlerAffectedByHazards(gActiveBattler, FALSE)
         && IsBattlerGrounded(gActiveBattler))
     {
         gSideStatuses[GetBattlerSide(gActiveBattler)] |= SIDE_STATUS_STICKY_WEB_DAMAGED;
@@ -7454,7 +7510,7 @@ static void Cmd_various(void)
         bits = 0;
         for (i = STAT_ATK; i < NUM_BATTLE_STATS; i++)
         {
-            if (gBattleMons[gActiveBattler].statStages[i] != 12)
+            if (CompareStat(gActiveBattler, i, MAX_STAT_STAGE, CMP_LESS_THAN))
                 bits |= gBitTable[i];
         }
         if (bits)
@@ -7691,7 +7747,7 @@ static void Cmd_various(void)
          || GetBattlerAbility(gActiveBattler) == ABILITY_AS_ONE_ICE_RIDER)
           && HasAttackerFaintedTarget()
           && !NoAliveMonsForEitherParty()
-          && gBattleMons[gBattlerAttacker].statStages[STAT_ATK] != 12)
+          && CompareStat(gBattlerAttacker, STAT_ATK, MAX_STAT_STAGE, CMP_LESS_THAN))
         {
             gBattleMons[gBattlerAttacker].statStages[STAT_ATK]++;
             SET_STATCHANGER(STAT_ATK, 1, FALSE);
@@ -7709,7 +7765,7 @@ static void Cmd_various(void)
          || GetBattlerAbility(gActiveBattler) == ABILITY_AS_ONE_SHADOW_RIDER)
           && HasAttackerFaintedTarget()
           && !NoAliveMonsForEitherParty()
-          && gBattleMons[gBattlerAttacker].statStages[STAT_SPATK] != 12)
+          && CompareStat(gBattlerAttacker, STAT_SPATK, MAX_STAT_STAGE, CMP_LESS_THAN))
         {
             gBattleMons[gBattlerAttacker].statStages[STAT_SPATK]++;
             SET_STATCHANGER(STAT_SPATK, 1, FALSE);
@@ -7754,7 +7810,7 @@ static void Cmd_various(void)
         if (GetBattlerAbility(gActiveBattler) == ABILITY_BEAST_BOOST
             && HasAttackerFaintedTarget()
             && !NoAliveMonsForEitherParty()
-            && gBattleMons[gBattlerAttacker].statStages[i] != 12)
+            && CompareStat(gBattlerAttacker, i, MAX_STAT_STAGE, CMP_LESS_THAN))
         {
             gBattleMons[gBattlerAttacker].statStages[i]++;
             SET_STATCHANGER(i, 1, FALSE);
@@ -7771,7 +7827,7 @@ static void Cmd_various(void)
             if (GetBattlerAbility(gBattleScripting.battler) == ABILITY_SOUL_HEART
                 && IsBattlerAlive(gBattleScripting.battler)
                 && !NoAliveMonsForEitherParty()
-                && gBattleMons[gBattleScripting.battler].statStages[STAT_SPATK] != 12)
+                && CompareStat(gBattleScripting.battler, STAT_SPATK, MAX_STAT_STAGE, CMP_LESS_THAN))
             {
                 gBattleMons[gBattleScripting.battler].statStages[STAT_SPATK]++;
                 SET_STATCHANGER(STAT_SPATK, 1, FALSE);
@@ -7787,7 +7843,7 @@ static void Cmd_various(void)
         if (gBattleMoves[gCurrentMove].effect == EFFECT_FELL_STINGER
             && HasAttackerFaintedTarget()
             && !NoAliveMonsForEitherParty()
-            && gBattleMons[gBattlerAttacker].statStages[STAT_ATK] != 12)
+            && CompareStat(gBattlerAttacker, STAT_ATK, MAX_STAT_STAGE, CMP_LESS_THAN))
         {
             if (B_FELL_STINGER_STAT_RAISE >= GEN_7)
                 SET_STATCHANGER(STAT_ATK, 3, FALSE);
@@ -8113,6 +8169,7 @@ static void Cmd_various(void)
             && !(gMoveResultFlags & MOVE_RESULT_NO_EFFECT)
             && TARGET_TURN_DAMAGED)
         {
+            gBattleScripting.switchCase = B_SWITCH_HIT;
             gBattlescriptCurrInstr = BattleScript_ForceRandomSwitch;
         }
         else
@@ -8498,6 +8555,50 @@ static void Cmd_various(void)
         if (ItemBattleEffects(1, gActiveBattler, FALSE))
             return;
         break;
+    case VARIOUS_ROOM_SERVICE:
+        if (GetBattlerHoldEffect(gActiveBattler, TRUE) == HOLD_EFFECT_ROOM_SERVICE && TryRoomService(gActiveBattler))
+        {
+            BattleScriptPushCursor();
+            gBattlescriptCurrInstr = BattleScript_BerryStatRaiseRet;
+        }
+        else
+        {
+            gBattlescriptCurrInstr = T1_READ_PTR(gBattlescriptCurrInstr + 3);
+        }
+        return;
+    case VARIOUS_TERRAIN_SEED:
+        if (GetBattlerHoldEffect(gActiveBattler, TRUE) == HOLD_EFFECT_SEEDS)
+        {
+            u8 effect = 0;
+            u16 item = gBattleMons[gActiveBattler].item;
+            switch (GetBattlerHoldEffectParam(gActiveBattler))
+            {
+            case HOLD_EFFECT_PARAM_ELECTRIC_TERRAIN:
+                effect = TryHandleSeed(gActiveBattler, STATUS_FIELD_ELECTRIC_TERRAIN, STAT_DEF, item, FALSE);
+                break;
+            case HOLD_EFFECT_PARAM_GRASSY_TERRAIN:
+                effect = TryHandleSeed(gActiveBattler, STATUS_FIELD_GRASSY_TERRAIN, STAT_DEF, item, FALSE);
+                break;
+            case HOLD_EFFECT_PARAM_MISTY_TERRAIN:
+                effect = TryHandleSeed(gActiveBattler, STATUS_FIELD_MISTY_TERRAIN, STAT_SPDEF, item, FALSE);
+                break;
+            case HOLD_EFFECT_PARAM_PSYCHIC_TERRAIN:
+                effect = TryHandleSeed(gActiveBattler, STATUS_FIELD_PSYCHIC_TERRAIN, STAT_SPDEF, item, FALSE);
+                break;
+            }
+            
+            if (effect)
+                return;
+        }
+        gBattlescriptCurrInstr = T1_READ_PTR(gBattlescriptCurrInstr + 3);
+        return;
+    case VARIOUS_MAKE_INVISIBLE:
+        if (gBattleControllerExecFlags)
+            break;
+        
+        BtlController_EmitSpriteInvisibility(0, TRUE);
+        MarkBattlerForControllerExec(gActiveBattler);
+        break;
     }
 
     gBattlescriptCurrInstr += 3;
@@ -9184,11 +9285,18 @@ static u32 ChangeStatBuffs(s8 statValue, u32 statId, u32 flags, const u8 *BS_ptr
             gBattleTextBuff2[index] = B_BUFF_EOS;
             
             if (gBattleMons[gActiveBattler].statStages[statId] == MIN_STAT_STAGE)
+            {
                 gBattleCommunication[MULTISTRING_CHOOSER] = B_MSG_STAT_WONT_DECREASE;
+            }
             else
+            {
+                // Check eject pack. disableEjectPack set for edge cases (e.g. attacking weak armor'd eject pack holder with u-turn)
+                if (gProtectStructs[gActiveBattler].disableEjectPack == 0)
+                    gSpecialStatuses[gActiveBattler].statFell = TRUE;
                 gBattleCommunication[MULTISTRING_CHOOSER] = (gBattlerTarget == gActiveBattler); // B_MSG_ATTACKER_STAT_FELL or B_MSG_DEFENDER_STAT_FELL
             }
         }
+    }
     else // stat increase
     {
         statValue = GET_STAT_BUFF_VALUE(statValue);
@@ -9362,6 +9470,36 @@ static void Cmd_forcerandomswitch(void)
     s32 validMons = 0;
     s32 minNeeded;
     
+    bool32 redCardForcedSwitch = FALSE;
+    
+    // Red card checks against wild pokemon. If we have reached here, the player has a mon to switch into
+    // Red card swaps attacker with target to get the animation correct, so here we check attacker which is really the target. Thanks GF...
+    if (gBattleScripting.switchCase == B_SWITCH_RED_CARD
+      && !(gBattleTypeFlags & BATTLE_TYPE_TRAINER)
+      && GetBattlerSide(gBattlerAttacker) == B_SIDE_OPPONENT)   // Check opponent's red card activating
+    {
+        if (!WILD_DOUBLE_BATTLE)
+        {
+            // Wild mon with red card will end single battle
+            gBattlescriptCurrInstr = BattleScript_RoarSuccessEndBattle;
+            return;
+        }
+        else
+        {
+            // Wild double battle, wild mon red card activation on player
+            if (IS_WHOLE_SIDE_ALIVE(gBattlerTarget))
+            {
+                // Both player's battlers are alive
+                redCardForcedSwitch = FALSE;
+            }
+            else
+            {
+                // Player has only one mon alive -> force red card switch before manually switching to other mon
+                redCardForcedSwitch = TRUE;
+            }
+        }
+    }
+
     // Swapping pokemon happens in:
     // trainer battles
     // wild double battles when an opposing pokemon uses it against one of the two alive player mons
@@ -9374,6 +9512,7 @@ static void Cmd_forcerandomswitch(void)
         || (WILD_DOUBLE_BATTLE
             && GetBattlerSide(gBattlerAttacker) == B_SIDE_PLAYER
             && GetBattlerSide(gBattlerTarget) == B_SIDE_PLAYER)
+        || redCardForcedSwitch
        )
     {    
         if (GetBattlerSide(gBattlerTarget) == B_SIDE_PLAYER)
@@ -9483,7 +9622,7 @@ static void Cmd_forcerandomswitch(void)
              }
         }
 
-        if (validMons <= minNeeded)
+        if (!redCardForcedSwitch && validMons <= minNeeded)
         {
             gBattlescriptCurrInstr = T1_READ_PTR(gBattlescriptCurrInstr + 1);
         }
@@ -10652,8 +10791,8 @@ static void Cmd_handlerollout(void)
 static void Cmd_jumpifconfusedandstatmaxed(void)
 {
     if (gBattleMons[gBattlerTarget].status2 & STATUS2_CONFUSION
-        && gBattleMons[gBattlerTarget].statStages[gBattlescriptCurrInstr[1]] == MAX_STAT_STAGE)
+      && !CompareStat(gBattlerTarget, gBattlescriptCurrInstr[1], MAX_STAT_STAGE, CMP_LESS_THAN))
-        gBattlescriptCurrInstr = T1_READ_PTR(gBattlescriptCurrInstr + 2);
+        gBattlescriptCurrInstr = T1_READ_PTR(gBattlescriptCurrInstr + 2); // Fails if we're confused AND stat cannot be raised
     else
         gBattlescriptCurrInstr += 6;
 }
@@ -10863,6 +11002,7 @@ static void Cmd_maxattackhalvehp(void) // belly drum
     if (!(gBattleMons[gBattlerAttacker].maxHP / 2))
         halfHp = 1;
     
+    // Belly Drum fails if the user's current HP is less than half its maximum, or if the user's Attack is already at +6 (even if the user has Contrary).
     if (gBattleMons[gBattlerAttacker].statStages[STAT_ATK] < MAX_STAT_STAGE
         && gBattleMons[gBattlerAttacker].hp > halfHp)
     {

src/battle_util.c

@@ -1410,7 +1410,6 @@ void CancelMultiTurnMoves(u8 battler)
 bool8 WasUnableToUseMove(u8 battler)
 {
     if (gProtectStructs[battler].prlzImmobility
-        || gProtectStructs[battler].targetNotAffected
         || gProtectStructs[battler].usedImprisonedMove
         || gProtectStructs[battler].loveImmobility
         || gProtectStructs[battler].usedDisabledMove
@@ -1444,8 +1443,8 @@ void PrepareStringBattle(u16 stringId, u8 battler)
 
     // Check Defiant and Competitive stat raise whenever a stat is lowered.
     else if ((stringId == STRINGID_DEFENDERSSTATFELL || stringId == STRINGID_PKMNCUTSATTACKWITH)
-              && ((GetBattlerAbility(gBattlerTarget) == ABILITY_DEFIANT && gBattleMons[gBattlerTarget].statStages[STAT_ATK] != MAX_STAT_STAGE)
+              && ((GetBattlerAbility(gBattlerTarget) == ABILITY_DEFIANT && CompareStat(gBattlerTarget, STAT_ATK, MAX_STAT_STAGE, CMP_LESS_THAN))
-                 || (GetBattlerAbility(gBattlerTarget) == ABILITY_COMPETITIVE && gBattleMons[gBattlerTarget].statStages[STAT_SPATK] != MAX_STAT_STAGE))
+                 || (GetBattlerAbility(gBattlerTarget) == ABILITY_COMPETITIVE && CompareStat(gBattlerTarget, STAT_SPATK, MAX_STAT_STAGE, CMP_LESS_THAN)))
               && gSpecialStatuses[gBattlerTarget].changedStatsBattlerId != BATTLE_PARTNER(gBattlerTarget)
               && gSpecialStatuses[gBattlerTarget].changedStatsBattlerId != gBattlerTarget)
     {
@@ -4053,7 +4052,7 @@ u8 AbilityBattleEffects(u8 caseID, u8 battler, u16 ability, u8 special, u16 move
 
                 gSpecialStatuses[battler].switchInAbilityDone = 1;
 
-                if (gBattleMons[battler].statStages[statId] != MAX_STAT_STAGE)
+                if (CompareStat(battler, statId, MAX_STAT_STAGE, CMP_LESS_THAN))
                 {
                     gBattleMons[battler].statStages[statId]++;
                     SET_STATCHANGER(statId, 1, FALSE);
@@ -4304,7 +4303,7 @@ u8 AbilityBattleEffects(u8 caseID, u8 battler, u16 ability, u8 special, u16 move
                 }
                 break;
             case ABILITY_SPEED_BOOST:
-                if (gBattleMons[battler].statStages[STAT_SPEED] < MAX_STAT_STAGE && gDisableStructs[battler].isFirstTurn != 2)
+                if (CompareStat(battler, STAT_SPEED, MAX_STAT_STAGE, CMP_LESS_THAN) && gDisableStructs[battler].isFirstTurn != 2)
                 {
                     gBattleMons[battler].statStages[STAT_SPEED]++;
                     gBattleScripting.animArg1 = 14 + STAT_SPEED;
@@ -4322,9 +4321,9 @@ u8 AbilityBattleEffects(u8 caseID, u8 battler, u16 ability, u8 special, u16 move
 
                     for (i = STAT_ATK; i < statsNum; i++)
                     {
-                        if (gBattleMons[battler].statStages[i] != MIN_STAT_STAGE)
+                        if (CompareStat(battler, i, MIN_STAT_STAGE, CMP_GREATER_THAN))
                             validToLower |= gBitTable[i];
-                        if (gBattleMons[battler].statStages[i] != MAX_STAT_STAGE)
+                        if (CompareStat(battler, i, MAX_STAT_STAGE, CMP_LESS_THAN))
                             validToRaise |= gBitTable[i];
                     }
 
@@ -4527,7 +4526,7 @@ u8 AbilityBattleEffects(u8 caseID, u8 battler, u16 ability, u8 special, u16 move
             }
             else if (effect == 2) // Boost Stat ability;
             {
-                if (gBattleMons[battler].statStages[statId] == MAX_STAT_STAGE)
+                if (!CompareStat(battler, statId, MAX_STAT_STAGE, CMP_LESS_THAN))
                 {
                     if ((gProtectStructs[gBattlerAttacker].notFirstStrike))
                         gBattlescriptCurrInstr = BattleScript_MonMadeMoveUseless;
@@ -4556,7 +4555,7 @@ u8 AbilityBattleEffects(u8 caseID, u8 battler, u16 ability, u8 special, u16 move
              && TARGET_TURN_DAMAGED
              && IsBattlerAlive(battler)
              && moveType == TYPE_DARK
-             && gBattleMons[battler].statStages[STAT_ATK] != MAX_STAT_STAGE)
+             && CompareStat(battler, STAT_ATK, MAX_STAT_STAGE, CMP_LESS_THAN))
             {
                 SET_STATCHANGER(STAT_ATK, 1, FALSE);
                 BattleScriptPushCursor();
@@ -4569,7 +4568,7 @@ u8 AbilityBattleEffects(u8 caseID, u8 battler, u16 ability, u8 special, u16 move
              && TARGET_TURN_DAMAGED
              && IsBattlerAlive(battler)
              && (moveType == TYPE_DARK || moveType == TYPE_BUG || moveType == TYPE_GHOST)
-             && gBattleMons[battler].statStages[STAT_SPEED] != MAX_STAT_STAGE)
+             && CompareStat(battler, STAT_SPEED, MAX_STAT_STAGE, CMP_LESS_THAN))
             {
                 SET_STATCHANGER(STAT_SPEED, 1, FALSE);
                 BattleScriptPushCursor();
@@ -4582,7 +4581,7 @@ u8 AbilityBattleEffects(u8 caseID, u8 battler, u16 ability, u8 special, u16 move
              && TARGET_TURN_DAMAGED
              && IsBattlerAlive(battler)
              && moveType == TYPE_WATER
-             && gBattleMons[battler].statStages[STAT_DEF] != MAX_STAT_STAGE)
+             && CompareStat(battler, STAT_DEF, MAX_STAT_STAGE, CMP_LESS_THAN))
             {
                 SET_STATCHANGER(STAT_DEF, 2, FALSE);
                 BattleScriptPushCursor();
@@ -4594,7 +4593,7 @@ u8 AbilityBattleEffects(u8 caseID, u8 battler, u16 ability, u8 special, u16 move
             if (!(gMoveResultFlags & MOVE_RESULT_NO_EFFECT)
              && TARGET_TURN_DAMAGED
              && IsBattlerAlive(battler)
-             && gBattleMons[battler].statStages[STAT_DEF] != MAX_STAT_STAGE)
+             && CompareStat(battler, STAT_DEF, MAX_STAT_STAGE, CMP_LESS_THAN))
             {
                 SET_STATCHANGER(STAT_DEF, 1, FALSE);
                 BattleScriptPushCursor();
@@ -4611,7 +4610,7 @@ u8 AbilityBattleEffects(u8 caseID, u8 battler, u16 ability, u8 special, u16 move
              && gBattleMons[battler].hp < gBattleMons[battler].maxHP / 2
              && (gMultiHitCounter == 0 || gMultiHitCounter == 1)
              && !(TestSheerForceFlag(gBattlerAttacker, gCurrentMove))
-             && gBattleMons[battler].statStages[STAT_SPATK] != MAX_STAT_STAGE)
+             && CompareStat(battler, STAT_SPATK, MAX_STAT_STAGE, CMP_LESS_THAN))
             {
                 SET_STATCHANGER(STAT_SPATK, 1, FALSE);
                 BattleScriptPushCursor();
@@ -4642,8 +4641,12 @@ u8 AbilityBattleEffects(u8 caseID, u8 battler, u16 ability, u8 special, u16 move
              && TARGET_TURN_DAMAGED
              && IsBattlerAlive(battler)
              && IS_MOVE_PHYSICAL(gCurrentMove)
-             && (gBattleMons[battler].statStages[STAT_SPEED] != MAX_STAT_STAGE || gBattleMons[battler].statStages[STAT_DEF] != MIN_STAT_STAGE))
+             && (CompareStat(battler, STAT_SPEED, MAX_STAT_STAGE, CMP_LESS_THAN) // Don't activate if speed cannot be raised
+               || CompareStat(battler, STAT_DEF, MIN_STAT_STAGE, CMP_GREATER_THAN))) // Don't activate if defense cannot be lowered
             {
+                if (gBattleMoves[gCurrentMove].effect == EFFECT_HIT_ESCAPE && CanBattlerSwitch(gBattlerAttacker))
+                    gProtectStructs[battler].disableEjectPack = 1;  // Set flag for target
+
                 BattleScriptPushCursor();
                 gBattlescriptCurrInstr = BattleScript_WeakArmorActivates;
                 effect++;
@@ -4699,7 +4702,7 @@ u8 AbilityBattleEffects(u8 caseID, u8 battler, u16 ability, u8 special, u16 move
              && gIsCriticalHit
              && TARGET_TURN_DAMAGED
              && IsBattlerAlive(battler)
-             && gBattleMons[battler].statStages[STAT_ATK] != MAX_STAT_STAGE)
+             && CompareStat(battler, STAT_ATK, MAX_STAT_STAGE, CMP_LESS_THAN))
             {
                 SET_STATCHANGER(STAT_ATK, MAX_STAT_STAGE - gBattleMons[battler].statStages[STAT_ATK], FALSE);
                 BattleScriptPushCursor();
@@ -4726,7 +4729,7 @@ u8 AbilityBattleEffects(u8 caseID, u8 battler, u16 ability, u8 special, u16 move
         case ABILITY_TANGLING_HAIR:
             if (!(gMoveResultFlags & MOVE_RESULT_NO_EFFECT)
              && gBattleMons[gBattlerAttacker].hp != 0
-             && gBattleMons[gBattlerAttacker].statStages[STAT_SPEED] != MIN_STAT_STAGE
+             && CompareStat(gBattlerAttacker, STAT_SPEED, MIN_STAT_STAGE, CMP_GREATER_THAN)
              && !gProtectStructs[gBattlerAttacker].confusionSelfDmg
              && TARGET_TURN_DAMAGED
              && IsMoveMakingContact(move, gBattlerAttacker))
@@ -4920,7 +4923,7 @@ u8 AbilityBattleEffects(u8 caseID, u8 battler, u16 ability, u8 special, u16 move
             if (!(gMoveResultFlags & MOVE_RESULT_NO_EFFECT)
              && TARGET_TURN_DAMAGED
              && IsBattlerAlive(battler)
-             && gBattleMons[battler].statStages[STAT_SPEED] != MAX_STAT_STAGE
+             && CompareStat(battler, STAT_SPEED, MAX_STAT_STAGE, CMP_LESS_THAN)
              && (moveType == TYPE_FIRE || moveType == TYPE_WATER))
             {
                 SET_STATCHANGER(STAT_SPEED, 6, FALSE);
@@ -5443,11 +5446,9 @@ static u8 HealConfuseBerry(u32 battlerId, u32 itemId, u8 flavorId, bool32 end2)
 
 static u8 StatRaiseBerry(u32 battlerId, u32 itemId, u32 statId, bool32 end2)
 {
-    if (gBattleMons[battlerId].statStages[statId] < MAX_STAT_STAGE && HasEnoughHpToEatBerry(battlerId, GetBattlerHoldEffectParam(battlerId), itemId))
+    if (CompareStat(battlerId, statId, MAX_STAT_STAGE, CMP_LESS_THAN) && HasEnoughHpToEatBerry(battlerId, GetBattlerHoldEffectParam(battlerId), itemId))
     {
-        PREPARE_STAT_BUFFER(gBattleTextBuff1, statId);
+        BufferStatChange(battlerId, statId, STRINGID_STATROSE);
-        PREPARE_STRING_BUFFER(gBattleTextBuff2, STRINGID_STATROSE);
-
         gEffectBattler = battlerId;
         if (GetBattlerAbility(battlerId) == ABILITY_RIPEN)
             SET_STATCHANGER(statId, 2, FALSE);
@@ -5474,10 +5475,11 @@ static u8 StatRaiseBerry(u32 battlerId, u32 itemId, u32 statId, bool32 end2)
 static u8 RandomStatRaiseBerry(u32 battlerId, u32 itemId, bool32 end2)
 {
     s32 i;
+    u16 stringId;
 
     for (i = 0; i < 5; i++)
     {
-        if (gBattleMons[battlerId].statStages[STAT_ATK + i] < MAX_STAT_STAGE)
+        if (CompareStat(battlerId, STAT_ATK + i, MAX_STAT_STAGE, CMP_LESS_THAN))
             break;
     }
     if (i != 5 && HasEnoughHpToEatBerry(battlerId, GetBattlerHoldEffectParam(battlerId), itemId))
@@ -5485,21 +5487,19 @@ static u8 RandomStatRaiseBerry(u32 battlerId, u32 itemId, bool32 end2)
         do
         {
             i = Random() % 5;
-        } while (gBattleMons[battlerId].statStages[STAT_ATK + i] == MAX_STAT_STAGE);
+        } while (!CompareStat(battlerId, STAT_ATK + i, MAX_STAT_STAGE, CMP_LESS_THAN));
 
         PREPARE_STAT_BUFFER(gBattleTextBuff1, i + 1);
-
+        stringId = (GetBattlerAbility(battlerId) == ABILITY_CONTRARY) ? STRINGID_STATFELL : STRINGID_STATROSE;
         gBattleTextBuff2[0] = B_BUFF_PLACEHOLDER_BEGIN;
         gBattleTextBuff2[1] = B_BUFF_STRING;
         gBattleTextBuff2[2] = STRINGID_STATSHARPLY;
         gBattleTextBuff2[3] = STRINGID_STATSHARPLY >> 8;
         gBattleTextBuff2[4] = B_BUFF_STRING;
-        gBattleTextBuff2[5] = STRINGID_STATROSE;
+        gBattleTextBuff2[5] = stringId;
-        gBattleTextBuff2[6] = STRINGID_STATROSE >> 8;
+        gBattleTextBuff2[6] = stringId >> 8;
         gBattleTextBuff2[7] = EOS;
-
         gEffectBattler = battlerId;
-
         if (GetBattlerAbility(battlerId) == ABILITY_RIPEN)
             SET_STATCHANGER(i + 1, 4, FALSE);
         else
@@ -5507,7 +5507,6 @@ static u8 RandomStatRaiseBerry(u32 battlerId, u32 itemId, bool32 end2)
 
         gBattleScripting.animArg1 = 0x21 + i + 6;
         gBattleScripting.animArg2 = 0;
-
         if (end2)
         {
             BattleScriptExecute(BattleScript_BerryStatRaiseEnd2);
@@ -5517,6 +5516,7 @@ static u8 RandomStatRaiseBerry(u32 battlerId, u32 itemId, bool32 end2)
             BattleScriptPushCursor();
             gBattlescriptCurrInstr = BattleScript_BerryStatRaiseRet;
         }
+        
         return ITEM_STATS_CHANGE;
     }
     return 0;
@@ -5546,13 +5546,11 @@ static u8 DamagedStatBoostBerryEffect(u8 battlerId, u8 statId, u8 split)
 {
     if (IsBattlerAlive(battlerId)
      && TARGET_TURN_DAMAGED
-     && gBattleMons[battlerId].statStages[statId] < MAX_STAT_STAGE
+     && CompareStat(battlerId, statId, MAX_STAT_STAGE, CMP_LESS_THAN)
      && !DoesSubstituteBlockMove(gBattlerAttacker, battlerId, gCurrentMove)
      && GetBattleMoveSplit(gCurrentMove) == split)
     {
-
+        BufferStatChange(battlerId, statId, STRINGID_STATROSE);
-        PREPARE_STAT_BUFFER(gBattleTextBuff1, statId);
-        PREPARE_STRING_BUFFER(gBattleTextBuff2, STRINGID_STATROSE);
 
         gEffectBattler = battlerId;
         if (GetBattlerAbility(battlerId) == ABILITY_RIPEN)
@@ -5569,6 +5567,30 @@ static u8 DamagedStatBoostBerryEffect(u8 battlerId, u8 statId, u8 split)
     return 0;
 }
 
+u8 TryHandleSeed(u8 battler, u32 terrainFlag, u8 statId, u16 itemId, bool32 execute)
+{
+    if (gFieldStatuses & terrainFlag && CompareStat(battler, statId, MAX_STAT_STAGE, CMP_LESS_THAN))
+    {
+        BufferStatChange(battler, statId, STRINGID_STATROSE);
+        gLastUsedItem = itemId; // For surge abilities
+        gEffectBattler = gBattleScripting.battler = battler;
+        SET_STATCHANGER(statId, 1, FALSE);
+        gBattleScripting.animArg1 = 0xE + statId;
+        gBattleScripting.animArg2 = 0;
+        if (execute)
+        {
+            BattleScriptExecute(BattleScript_BerryStatRaiseEnd2);
+        }
+        else
+        {
+            BattleScriptPushCursor();
+            gBattlescriptCurrInstr = BattleScript_BerryStatRaiseRet;
+        }
+        return ITEM_STATS_CHANGE;
+    }
+    return 0;
+}
+
 static u8 ItemHealHp(u32 battlerId, u32 itemId, bool32 end2, bool32 percentHeal)
 {
     if (HasEnoughHpToEatBerry(battlerId, 2, itemId))
@@ -5858,6 +5880,48 @@ u8 ItemBattleEffects(u8 caseID, u8 battlerId, bool8 moveTurn)
                 BattleScriptPushCursorAndCallback(BattleScript_AirBaloonMsgIn);
                 RecordItemEffectBattle(battlerId, HOLD_EFFECT_AIR_BALLOON);
                 break;
+            case HOLD_EFFECT_ROOM_SERVICE:
+                if (TryRoomService(battlerId))
+                {
+                    BattleScriptExecute(BattleScript_BerryStatRaiseEnd2);
+                    effect = ITEM_STATS_CHANGE;
+                }
+                break;
+            case HOLD_EFFECT_SEEDS:
+                switch (GetBattlerHoldEffectParam(battlerId))
+                {
+                case HOLD_EFFECT_PARAM_ELECTRIC_TERRAIN:
+                    effect = TryHandleSeed(battlerId, STATUS_FIELD_ELECTRIC_TERRAIN, STAT_DEF, gLastUsedItem, TRUE);
+                    break;
+                case HOLD_EFFECT_PARAM_GRASSY_TERRAIN:
+                    effect = TryHandleSeed(battlerId, STATUS_FIELD_GRASSY_TERRAIN, STAT_DEF, gLastUsedItem, TRUE);
+                    break;
+                case HOLD_EFFECT_PARAM_MISTY_TERRAIN:
+                    effect = TryHandleSeed(battlerId, STATUS_FIELD_MISTY_TERRAIN, STAT_SPDEF, gLastUsedItem, TRUE);
+                    break;
+                case HOLD_EFFECT_PARAM_PSYCHIC_TERRAIN:
+                    effect = TryHandleSeed(battlerId, STATUS_FIELD_PSYCHIC_TERRAIN, STAT_SPDEF, gLastUsedItem, TRUE);
+                    break;
+                }
+                break;
+            case HOLD_EFFECT_EJECT_PACK:
+                if (gSpecialStatuses[battlerId].statFell
+                 && !(gCurrentMove == MOVE_PARTING_SHOT && CanBattlerSwitch(gBattlerAttacker))) // Does not activate if attacker used Parting Shot and can switch out
+                {
+                    gSpecialStatuses[battlerId].statFell = FALSE;
+                    gActiveBattler = gBattleScripting.battler = battlerId;
+                    effect = ITEM_STATS_CHANGE;
+                    if (moveTurn)
+                    {
+                        BattleScriptPushCursor();
+                        gBattlescriptCurrInstr = BattleScript_EjectPackActivate_Ret;
+                    }
+                    else
+                    {
+                        BattleScriptExecute(BattleScript_EjectPackActivate_End2);
+                    }
+                }
+                break;
             }
 
             if (effect)
@@ -6338,13 +6402,13 @@ u8 ItemBattleEffects(u8 caseID, u8 battlerId, bool8 moveTurn)
             }
         }
         break;
-    case ITEMEFFECT_KINGSROCK_SHELLBELL:
+    case ITEMEFFECT_KINGSROCK:
-        if (gBattleMoveDamage)
+        // Occur on each hit of a multi-strike move
-        {
         switch (atkHoldEffect)
         {
         case HOLD_EFFECT_FLINCH:
-                if (!(gMoveResultFlags & MOVE_RESULT_NO_EFFECT)
+            if (gBattleMoveDamage != 0  // Need to have done damage
+                && !(gMoveResultFlags & MOVE_RESULT_NO_EFFECT)
                 && TARGET_TURN_DAMAGED
                 && (Random() % 100) < atkHoldEffectParam
                 && gBattleMoves[gCurrentMove].flags & FLAG_KINGS_ROCK_AFFECTED
@@ -6356,10 +6420,27 @@ u8 ItemBattleEffects(u8 caseID, u8 battlerId, bool8 moveTurn)
                 BattleScriptPop();
             }
             break;
+        case HOLD_EFFECT_BLUNDER_POLICY:
+            if (gBattleStruct->blunderPolicy
+             && gBattleMons[gBattlerAttacker].hp != 0
+             && CompareStat(gBattlerAttacker, STAT_SPEED, MAX_STAT_STAGE, CMP_LESS_THAN))
+            {
+                gBattleStruct->blunderPolicy = FALSE;
+                gLastUsedItem = atkItem;
+                gBattleScripting.statChanger = SET_STATCHANGER(STAT_SPEED, 2, FALSE);
+                effect = ITEM_STATS_CHANGE;
+                BattleScriptPushCursor();
+                gBattlescriptCurrInstr = BattleScript_AttackerItemStatRaise;
+            }
+            break;
+        }
+        break;
+    case ITEMEFFECT_LIFEORB_SHELLBELL:
+        // Occur after the final hit of a multi-strike move
+        switch (atkHoldEffect)
+        {
         case HOLD_EFFECT_SHELL_BELL:
-                if (!(gMoveResultFlags & MOVE_RESULT_NO_EFFECT)
+            if (gSpecialStatuses[gBattlerAttacker].damagedMons  // Need to have done damage
-                    && gSpecialStatuses[gBattlerTarget].dmg != 0
-                    && gSpecialStatuses[gBattlerTarget].dmg != 0xFFFF
                 && gBattlerAttacker != gBattlerTarget
                 && gBattleMons[gBattlerAttacker].hp != gBattleMons[gBattlerAttacker].maxHP
                 && gBattleMons[gBattlerAttacker].hp != 0)
@@ -6373,10 +6454,39 @@ u8 ItemBattleEffects(u8 caseID, u8 battlerId, bool8 moveTurn)
                 gSpecialStatuses[gBattlerTarget].dmg = 0;
                 BattleScriptPushCursor();
                 gBattlescriptCurrInstr = BattleScript_ItemHealHP_Ret;
-                    effect++;
+                effect = ITEM_HP_CHANGE;
             }
             break;
+        case HOLD_EFFECT_LIFE_ORB:
+            if (IsBattlerAlive(gBattlerAttacker)
+                && !(TestSheerForceFlag(gBattlerAttacker, gCurrentMove))
+                && GetBattlerAbility(gBattlerAttacker) != ABILITY_MAGIC_GUARD
+                && gSpecialStatuses[gBattlerAttacker].damagedMons)
+            {
+                gBattleMoveDamage = gBattleMons[gBattlerAttacker].maxHP / 10;
+                if (gBattleMoveDamage == 0)
+                    gBattleMoveDamage = 1;
+                effect = ITEM_HP_CHANGE;
+                BattleScriptPushCursor();
+                gBattlescriptCurrInstr = BattleScript_ItemHurtRet;
+                gLastUsedItem = gBattleMons[gBattlerAttacker].item;
             }
+            break;
+        case HOLD_EFFECT_THROAT_SPRAY:  // Does NOT need to be a damaging move
+            if (gProtectStructs[gBattlerAttacker].targetAffected
+             && gBattleMons[gBattlerAttacker].hp != 0
+             && gBattleMoves[gCurrentMove].flags & FLAG_SOUND
+             && CompareStat(gBattlerAttacker, STAT_SPATK, MAX_STAT_STAGE, CMP_LESS_THAN)
+             && !NoAliveMonsForEitherParty())   // Don't activate if battle will end
+            {
+                gLastUsedItem = atkItem;
+                gBattleScripting.battler = gBattlerAttacker;
+                gBattleScripting.statChanger = SET_STATCHANGER(STAT_SPATK, 1, FALSE);
+                effect = ITEM_STATS_CHANGE;
+                BattleScriptPushCursor();
+                gBattlescriptCurrInstr = BattleScript_AttackerItemStatRaise;
+            }
+            break;
         }
         break;
     case ITEMEFFECT_TARGET:
@@ -8782,14 +8892,6 @@ void SortBattlersBySpeed(u8 *battlers, bool8 slowToFast)
     }
 }
 
-bool32 TestSheerForceFlag(u8 battler, u16 move)
-{
-    if (GetBattlerAbility(battler) == ABILITY_SHEER_FORCE && gBattleMoves[move].flags & FLAG_SHEER_FORCE_BOOST)
-        return TRUE;
-    else
-        return FALSE;
-}
-
 void TryRestoreStolenItems(void)
 {
     u32 i;
@@ -8860,3 +8962,122 @@ void TrySaveExchangedItem(u8 battlerId, u16 stolenItem)
     #endif
 }
 
+bool32 IsBattlerAffectedByHazards(u8 battlerId, bool32 toxicSpikes)
+{
+    bool32 ret = TRUE;
+    u32 holdEffect = GetBattlerHoldEffect(gActiveBattler, TRUE);
+    if (toxicSpikes && holdEffect == HOLD_EFFECT_HEAVY_DUTY_BOOTS && !IS_BATTLER_OF_TYPE(battlerId, TYPE_POISON))
+    {
+        ret = FALSE;
+        RecordItemEffectBattle(battlerId, holdEffect);
+    }
+    else if (holdEffect == HOLD_EFFECT_HEAVY_DUTY_BOOTS)
+    {
+        ret = FALSE;
+        RecordItemEffectBattle(battlerId, holdEffect);
+    }
+    return ret;
+}
+
+bool32 TestSheerForceFlag(u8 battler, u16 move)
+{
+    if (GetBattlerAbility(battler) == ABILITY_SHEER_FORCE && gBattleMoves[move].flags & FLAG_SHEER_FORCE_BOOST)
+        return TRUE;
+    else
+        return FALSE;
+}
+
+// This function is the body of "jumpifstat", but can be used dynamically in a function
+bool32 CompareStat(u8 battlerId, u8 statId, u8 cmpTo, u8 cmpKind)
+{
+    bool8 ret = FALSE;
+    u8 statValue = gBattleMons[battlerId].statStages[statId];
+    
+    // Because this command is used as a way of checking if a stat can be lowered/raised,
+    // we need to do some modification at run-time.
+    if (GetBattlerAbility(battlerId) == ABILITY_CONTRARY)
+    {
+        if (cmpKind == CMP_GREATER_THAN)
+            cmpKind = CMP_LESS_THAN;
+        else if (cmpKind == CMP_LESS_THAN)
+            cmpKind = CMP_GREATER_THAN;
+
+        if (cmpTo == MIN_STAT_STAGE)
+            cmpTo = MAX_STAT_STAGE;
+        else if (cmpTo == MAX_STAT_STAGE)
+            cmpTo = MIN_STAT_STAGE;
+    }
+
+    switch (cmpKind)
+    {
+    case CMP_EQUAL:
+        if (statValue == cmpTo)
+            ret = TRUE;
+        break;
+    case CMP_NOT_EQUAL:
+        if (statValue != cmpTo)
+            ret = TRUE;
+        break;
+    case CMP_GREATER_THAN:
+        if (statValue > cmpTo)
+            ret = TRUE;
+        break;
+    case CMP_LESS_THAN:
+        if (statValue < cmpTo)
+            ret = TRUE;
+        break;
+    case CMP_COMMON_BITS:
+        if (statValue & cmpTo)
+            ret = TRUE;
+        break;
+    case CMP_NO_COMMON_BITS:
+        if (!(statValue & cmpTo))
+            ret = TRUE;
+        break;
+    }
+    
+    return ret;
+}
+
+void BufferStatChange(u8 battlerId, u8 statId, u8 stringId)
+{
+    bool8 hasContrary = (GetBattlerAbility(battlerId) == ABILITY_CONTRARY);
+
+    PREPARE_STAT_BUFFER(gBattleTextBuff1, statId);
+    if (stringId == STRINGID_STATFELL)
+    {
+        if (hasContrary)
+            PREPARE_STRING_BUFFER(gBattleTextBuff2, STRINGID_STATROSE)
+        else
+            PREPARE_STRING_BUFFER(gBattleTextBuff2, STRINGID_STATFELL)
+    }
+    else if (stringId == STRINGID_STATROSE)
+    {
+        if (hasContrary)
+            PREPARE_STRING_BUFFER(gBattleTextBuff2, STRINGID_STATFELL)
+        else
+            PREPARE_STRING_BUFFER(gBattleTextBuff2, STRINGID_STATROSE)
+    }
+    else
+    {
+        PREPARE_STRING_BUFFER(gBattleTextBuff2, stringId)
+    }
+}
+
+bool32 TryRoomService(u8 battlerId)
+{
+    if (gFieldStatuses & STATUS_FIELD_TRICK_ROOM && CompareStat(battlerId, STAT_SPEED, MIN_STAT_STAGE, CMP_GREATER_THAN))
+    {
+        BufferStatChange(battlerId, STAT_SPEED, STRINGID_STATFELL);
+        gEffectBattler = gBattleScripting.battler = battlerId;
+        SET_STATCHANGER(STAT_SPEED, 1, TRUE);
+        gBattleScripting.animArg1 = 0xE + STAT_SPEED;
+        gBattleScripting.animArg2 = 0;
+        gLastUsedItem = gBattleMons[battlerId].item;
+        return TRUE;
+    }
+    else
+    {
+        return FALSE;
+    }
+}