Merge branch 'RHH/upcoming' into RHH/pr/upcoming/cleanup/customTrainer

.github/ISSUE_TEMPLATE/01_battle_engine_bugs.yaml

@@ -23,8 +23,9 @@ body:
       label: Version
       description: What version of pokeemerald-expansion are you using as a base?
       options:
-        - 1.5.1 (Default)
+        - 1.5.2 (Default)
         - upcoming (Edge)
+        - 1.5.1
         - 1.5.0
         - 1.4.3
         - 1.4.2

.github/ISSUE_TEMPLATE/02_battle_ai_issues.yaml

@@ -23,8 +23,9 @@ body:
       label: Version
       description: What version of pokeemerald-expansion are you using as a base?
       options:
-        - 1.5.1 (Default)
+        - 1.5.2 (Default)
         - upcoming (Edge)
+        - 1.5.1
         - 1.5.0
         - 1.4.3
         - 1.4.2

.github/ISSUE_TEMPLATE/04_other_errors.yaml

@@ -23,8 +23,9 @@ body:
       label: Version
       description: What version of pokeemerald-expansion are you using as a base?
       options:
-        - 1.5.1 (Default)
+        - 1.5.2 (Default)
         - upcoming (Edge)
+        - 1.5.1
         - 1.5.0
         - 1.4.3
         - 1.4.2

Makefile

@@ -450,7 +450,7 @@ $(OBJ_DIR)/sym_ewram.ld: sym_ewram.txt
 
 # NOTE: Based on C_DEP above, but without NODEP and KEEP_TEMPS handling.
 define TEST_DEP
-$1: $2 $$(shell $(SCANINC) -I include -I tools/agbcc/include -I gflib -I test $2)
+$1: $2 $$(shell $(SCANINC) -I include -I tools/agbcc/include -I gflib $2)
 	@echo "$$(CC1) <flags> -o $$@ $$<"
 	@$$(CPP) $$(CPPFLAGS) $$< | $$(PREPROC) $$< charmap.txt -i | $$(CC1) $$(CFLAGS) -o - - | cat - <(echo -e ".text\n\t.align\t2, 0") | $$(AS) $$(ASFLAGS) -o $$@ -
 endef

asm/macros/battle_script.inc

@@ -1364,12 +1364,6 @@
 	callnative BS_TrySymbiosis
 	.endm
 
-	@ returns TRUE or FALSE to gBattleCommunication[0]
-	.macro canteleport battler:req
-	callnative BS_CanTeleport
-	.byte \battler
-	.endm
-
 	@ returns B_SIDE_x to gBattleCommunication[0]
 	.macro getbattlerside battler:req
 	callnative BS_GetBattlerSide
@@ -2184,6 +2178,11 @@
 	jumpifbyte CMP_COMMON_BITS, gMoveResultFlags, MOVE_RESULT_NO_EFFECT, \jumpInstr
 	.endm
 
+	.macro jumpifside battler:req, side:req, equalJumpInstr:req
+	getbattlerside \battler
+	jumpifbyte CMP_EQUAL, gBattleCommunication, \side, \equalJumpInstr
+	.endm
+
 	.macro jumpifbattletype flags:req, jumpInstr:req
 	jumpifword CMP_COMMON_BITS, gBattleTypeFlags, \flags, \jumpInstr
 	.endm

data/battle_scripts_1.s

@@ -4023,6 +4023,8 @@ BattleScript_MoveMissedDoDamage::
 .if B_CRASH_IF_TARGET_IMMUNE < GEN_4
 	jumpifhalfword CMP_COMMON_BITS, gMoveResultFlags, MOVE_RESULT_DOESNT_AFFECT_FOE, BattleScript_MoveEnd
 .endif
+	moveendcase MOVEEND_PROTECT_LIKE_EFFECT @ Spiky Shield's damage happens before recoil.
+	jumpifhasnohp BS_ATTACKER, BattleScript_MoveEnd
 	printstring STRINGID_PKMNCRASHED
 	waitmessage B_WAIT_TIME_LONG
 	damagecalc
@@ -5048,7 +5050,7 @@ BattleScript_EffectBatonPass::
 	goto BattleScript_MoveEnd
 
 BattleScript_EffectRapidSpin::
-.if B_SPEED_BUFFING_RAPID_SPIN == GEN_8
+.if B_SPEED_BUFFING_RAPID_SPIN >= GEN_8
 	call BattleScript_EffectHit_Ret
 	jumpifhalfword CMP_COMMON_BITS, gMoveResultFlags, MOVE_RESULT_DOESNT_AFFECT_FOE, BattleScript_MoveEnd
 	setmoveeffect MOVE_EFFECT_RAPIDSPIN | MOVE_EFFECT_AFFECTS_USER | MOVE_EFFECT_CERTAIN
@@ -5300,15 +5302,14 @@ BattleScript_EffectHurricane:
 BattleScript_EffectTeleport:
 	attackcanceler
 	attackstring
-	ppreduce
 .if B_TELEPORT_BEHAVIOR >= GEN_7
-	canteleport BS_ATTACKER
-	jumpifbyte CMP_EQUAL, gBattleCommunication, TRUE, BattleScript_EffectTeleportNew
-	goto BattleScript_ButItFailed
+	jumpifbattletype BATTLE_TYPE_TRAINER, BattleScript_EffectBatonPass
+	jumpifside BS_ATTACKER, B_SIDE_PLAYER, BattleScript_EffectBatonPass
 .else
 	jumpifbattletype BATTLE_TYPE_TRAINER, BattleScript_ButItFailed
 .endif
 BattleScript_EffectTeleportTryToRunAway:
+	ppreduce
 	getifcantrunfrombattle BS_ATTACKER
 	jumpifbyte CMP_EQUAL, gBattleCommunication, BATTLE_RUN_FORBIDDEN, BattleScript_ButItFailed
 	jumpifbyte CMP_EQUAL, gBattleCommunication, BATTLE_RUN_FAILURE, BattleScript_PrintAbilityMadeIneffective
@@ -5319,29 +5320,6 @@ BattleScript_EffectTeleportTryToRunAway:
 	setoutcomeonteleport BS_ATTACKER
 	goto BattleScript_MoveEnd
 
-BattleScript_EffectTeleportNew:
-	getbattlerside BS_ATTACKER
-	jumpifbyte CMP_EQUAL, gBattleCommunication, B_SIDE_OPPONENT, BattleScript_EffectTeleportTryToRunAway
-	attackanimation
-	waitanimation
-	openpartyscreen BS_ATTACKER, BattleScript_EffectTeleportNewEnd
-	switchoutabilities BS_ATTACKER
-	waitstate
-	switchhandleorder BS_ATTACKER, 2
-	returntoball BS_ATTACKER
-	getswitchedmondata BS_ATTACKER
-	switchindataupdate BS_ATTACKER
-	hpthresholds BS_ATTACKER
-	trytoclearprimalweather
-	printstring STRINGID_EMPTYSTRING3
-	waitmessage 1
-	printstring STRINGID_SWITCHINMON
-	switchinanim BS_ATTACKER, TRUE
-	waitstate
-	switchineffects BS_ATTACKER
-BattleScript_EffectTeleportNewEnd:
-	goto BattleScript_MoveEnd
-
 BattleScript_EffectBeatUp::
 	attackcanceler
 	accuracycheck BattleScript_PrintMoveMissed, ACC_CURR_MOVE

include/battle.h

@@ -212,6 +212,7 @@ struct SideTimer
     u8 toxicSpikesAmount;
     u8 stealthRockAmount;
     u8 stickyWebAmount;
+    u8 stickyWebBattlerId;
     u8 stickyWebBattlerSide; // Used for Court Change
     u8 auroraVeilTimer;
     u8 auroraVeilBattlerId;
@@ -642,7 +643,6 @@ struct BattleStruct
     u8 forcedSwitch:4; // For each battler
     u8 switchInAbilityPostponed:4; // To not activate against an empty field, each bit for battler
     u8 ballSpriteIds[2];    // item gfx, window gfx
-    u8 stickyWebUser;
     u8 appearedInBattle; // Bitfield to track which Pokemon appeared in battle. Used for Burmy's form change
     u8 skyDropTargets[MAX_BATTLERS_COUNT]; // For Sky Drop, to account for if multiple Pokemon use Sky Drop in a double battle.
     // When using a move which hits multiple opponents which is then bounced by a target, we need to make sure, the move hits both opponents, the one with bounce, and the one without.

include/battle_util.h

@@ -209,14 +209,12 @@ void BufferStatChange(u8 battlerId, u8 statId, u8 stringId);
 bool32 BlocksPrankster(u16 move, u8 battlerPrankster, u8 battlerDef, bool32 checkTarget);
 u16 GetUsedHeldItem(u8 battler);
 bool32 IsBattlerWeatherAffected(u8 battlerId, u32 weatherFlags);
-u32 ApplyWeatherDamageMultiplier(u8 battlerAtk, u16 move, u8 moveType, u32 dmg, u16 holdEffectAtk, u16 holdEffectDef);
 u32 GetBattlerMoveTargetType(u8 battlerId, u16 move);
 bool32 CanTargetBattler(u8 battlerAtk, u8 battlerDef, u16 move);
 bool8 IsMoveAffectedByParentalBond(u16 move, u8 battlerId);
 void CopyMonLevelAndBaseStatsToBattleMon(u32 battler, struct Pokemon *mon);
 void CopyMonAbilityAndTypesToBattleMon(u32 battler, struct Pokemon *mon);
 void RecalcBattlerStats(u32 battler, struct Pokemon *mon);
-void MulModifier(u16 *modifier, u16 val);
 bool32 IsAlly(u32 battlerAtk, u32 battlerDef);
 
 // Ability checks
@@ -245,9 +243,4 @@ u8 GetBattlerGender(u8 battlerId);
 bool8 AreBattlersOfOppositeGender(u8 battler1, u8 battler2);
 u32 CalcSecondaryEffectChance(u8 battlerId, u8 secondaryEffectChance);
 
-static inline u32 ApplyModifier(uq4_12_t modifier, u32 val)
-{
-    return UQ_4_12_TO_INT((modifier * val) + UQ_4_12_ROUND);
-}
-
 #endif // GUARD_BATTLE_UTIL_H

include/fpmath.h

@@ -52,10 +52,30 @@ static inline uq4_12_t uq4_12_multiply(uq4_12_t a, uq4_12_t b)
     return (product + UQ_4_12_ROUND) >> UQ_4_12_SHIFT;
 }
 
+static inline uq4_12_t uq4_12_multiply_half_down(uq4_12_t a, uq4_12_t b)
+{
+    u32 product = (u32) a * b;
+    return (product + UQ_4_12_ROUND - 1) >> UQ_4_12_SHIFT;
+}
+
 static inline uq4_12_t uq4_12_divide(uq4_12_t dividend, uq4_12_t divisor)
 {
     if (divisor == UQ_4_12(0.0)) return UQ_4_12(0);
     return (dividend << UQ_4_12_SHIFT) / divisor;
 }
 
+// Multiplies value by the UQ_4_12 number modifier.
+// Returns an integer, rounded to nearest (rounding down on n.5)
+static inline u32 uq4_12_multiply_by_int_half_down(uq4_12_t modifier, u32 value)
+{
+    return UQ_4_12_TO_INT((modifier * value) + UQ_4_12_ROUND - 1);
+}
+
+// Multiplies value by the UQ_4_12 number modifier.
+// Returns an integer, rounded to nearest (rounding up on n.5)
+static inline u32 uq4_12_multiply_by_int_half_up(uq4_12_t modifier, u32 value)
+{
+    return UQ_4_12_TO_INT((modifier * value) + UQ_4_12_ROUND);
+}
+
 #endif // FPMATH_H_

include/test/battle.h

@@ -447,13 +447,13 @@
 #ifndef GUARD_TEST_BATTLE_H
 #define GUARD_TEST_BATTLE_H
 
+#include "global.h"
 #include "battle.h"
 #include "battle_anim.h"
 #include "data.h"
 #include "item.h"
 #include "random.h"
 #include "recorded_battle.h"
-#include "test.h"
 #include "util.h"
 #include "constants/abilities.h"
 #include "constants/battle_anim.h"
@@ -462,6 +462,7 @@
 #include "constants/items.h"
 #include "constants/moves.h"
 #include "constants/species.h"
+#include "test/test.h"
 
 // NOTE: If the stack is too small the test runner will probably crash
 // or loop.

src/battle_controllers.c

@@ -151,7 +151,7 @@ static void InitSinglePlayerBtlControllers(void)
 
         gBattlerPartyIndexes[0] = 0;
         gBattlerPartyIndexes[1] = 0;
-        if (BATTLE_TWO_VS_ONE_OPPONENT)
+        if (BATTLE_TWO_VS_ONE_OPPONENT || WILD_DOUBLE_BATTLE)
         {
             gBattlerPartyIndexes[2] = 3;
             gBattlerPartyIndexes[3] = 1;

src/battle_interface.c

@@ -1409,11 +1409,10 @@ bool32 IsMegaTriggerSpriteActive(void)
 
 void HideMegaTriggerSprite(void)
 {
-    if (gBattleStruct->mega.triggerSpriteId != 0xFF)
-    {
+    if (gBattleStruct->mega.triggerSpriteId >= MAX_SPRITES)
+        return;
     ChangeMegaTriggerSprite(gBattleStruct->mega.triggerSpriteId, 0);
     gSprites[gBattleStruct->mega.triggerSpriteId].tHide = TRUE;
-    }
 }
 
 void HideTriggerSprites(void)

src/battle_main.c

@@ -3113,7 +3113,10 @@ static void BattleStartClearSetData(void)
 
     gBattleStruct->mega.triggerSpriteId = 0xFF;
 
-    gBattleStruct->stickyWebUser = 0xFF;
+    for (i = 0; i < ARRAY_COUNT(gSideTimers); i++)
+    {
+        gSideTimers[i].stickyWebBattlerId = 0xFF;
+    }
     gBattleStruct->appearedInBattle = 0;
     gBattleStruct->beatUpSlot = 0;
 
@@ -3219,8 +3222,12 @@ void SwitchInClearSetData(void)
     gBattleStruct->lastMoveFailed &= ~(gBitTable[gActiveBattler]);
     gBattleStruct->palaceFlags &= ~(gBitTable[gActiveBattler]);
 
-    if (gActiveBattler == gBattleStruct->stickyWebUser)
-        gBattleStruct->stickyWebUser = 0xFF;    // Switched into sticky web user slot so reset it
+    for (i = 0; i < ARRAY_COUNT(gSideTimers); i++)
+    {
+        // Switched into sticky web user slot, so reset stored battler ID
+        if (gSideTimers[i].stickyWebBattlerId == gActiveBattler)
+            gSideTimers[i].stickyWebBattlerId = 0xFF;
+    }
 
     for (i = 0; i < gBattlersCount; i++)
     {
@@ -3333,8 +3340,12 @@ void FaintClearSetData(void)
 
     gBattleStruct->palaceFlags &= ~(gBitTable[gActiveBattler]);
 
-    if (gActiveBattler == gBattleStruct->stickyWebUser)
-        gBattleStruct->stickyWebUser = 0xFF;    // User of sticky web fainted, so reset the stored battler ID
+    for (i = 0; i < ARRAY_COUNT(gSideTimers); i++)
+    {
+        // User of sticky web fainted, so reset the stored battler ID
+        if (gSideTimers[i].stickyWebBattlerId == gActiveBattler)
+            gSideTimers[i].stickyWebBattlerId = 0xFF;
+    }
 
     for (i = 0; i < gBattlersCount; i++)
     {
@@ -4527,6 +4538,10 @@ static void HandleTurnActionSelectionState(void)
         {
             // if we choose to throw a ball with our second mon, skip the action of the first
             // (if we have chosen throw ball with first, second's is already skipped)
+            // if throwing a ball in a wild battle with an in-game partner, skip partner's turn when throwing a ball
+            if (gBattleTypeFlags & BATTLE_TYPE_INGAME_PARTNER)
+                gChosenActionByBattler[GetBattlerAtPosition(B_POSITION_PLAYER_RIGHT)] = B_ACTION_NOTHING_FAINTED;
+            else
                 gChosenActionByBattler[GetBattlerAtPosition(B_POSITION_PLAYER_LEFT)] = B_ACTION_NOTHING_FAINTED;
         }
 

src/battle_message.c

@@ -142,8 +142,8 @@ static const u8 sText_PkmnRaisedSpDefALittle[] = _("{B_ATK_PREFIX2}'s {B_CURRENT
 static const u8 sText_PkmnRaisedDef[] = _("{B_ATK_PREFIX2}'s {B_CURRENT_MOVE}\nraised DEFENSE!");
 static const u8 sText_PkmnRaisedDefALittle[] = _("{B_ATK_PREFIX2}'s {B_CURRENT_MOVE}\nraised DEFENSE a little!");
 static const u8 sText_PkmnCoveredByVeil[] = _("{B_ATK_PREFIX2}'s party is covered\nby a veil!");
-static const u8 sText_PkmnUsedSafeguard[] = _("{B_DEF_NAME_WITH_PREFIX}'s party is protected\nby SAFEGUARD!");
-static const u8 sText_PkmnSafeguardExpired[] = _("{B_ATK_PREFIX3}'s party is no longer\nprotected by SAFEGUARD!");
+static const u8 sText_PkmnUsedSafeguard[] = _("{B_DEF_NAME_WITH_PREFIX}'s party is protected\nby Safeguard!");
+static const u8 sText_PkmnSafeguardExpired[] = _("{B_ATK_PREFIX3}'s party is no longer\nprotected by Safeguard!");
 static const u8 sText_PkmnWentToSleep[] = _("{B_ATK_NAME_WITH_PREFIX} went\nto sleep!");
 static const u8 sText_PkmnSleptHealthy[] = _("{B_ATK_NAME_WITH_PREFIX} slept and\nbecame healthy!");
 static const u8 sText_PkmnWhippedWhirlwind[] = _("{B_ATK_NAME_WITH_PREFIX} whipped\nup a whirlwind!");
@@ -2700,7 +2700,7 @@ void BufferStringBattle(u16 stringID)
         {
             if (gBattleTypeFlags & BATTLE_TYPE_LEGENDARY)
                 stringPtr = sText_LegendaryPkmnAppeared;
-            else if (gBattleTypeFlags & BATTLE_TYPE_DOUBLE && IsValidForBattle(&gEnemyParty[gBattlerPartyIndexes[BATTLE_PARTNER(gActiveBattler)]])) // interesting, looks like they had something planned for wild double battles
+            else if (gBattleTypeFlags & BATTLE_TYPE_DOUBLE && IsValidForBattle(&gEnemyParty[gBattlerPartyIndexes[GetBattlerAtPosition(B_POSITION_OPPONENT_RIGHT)]]))
                 stringPtr = sText_TwoWildPkmnAppeared;
             else if (gBattleTypeFlags & BATTLE_TYPE_WALLY_TUTORIAL)
                 stringPtr = sText_WildPkmnAppearedPause;

src/battle_script_commands.c

@@ -1414,7 +1414,7 @@ static void Cmd_attackcanceler(void)
         return;
     }
 
-    // Z-moves and Max Moves bypass protection, but deal reduced damage (factored in CalcFinalDmg)
+    // Z-moves and Max Moves bypass protection, but deal reduced damage (factored in AccumulateOtherModifiers)
     if (gBattleStruct->zmove.active && IS_BATTLER_PROTECTED(gBattlerTarget))
     {
         BattleScriptPush(cmd->nextInstr);
@@ -8518,8 +8518,9 @@ static bool32 IsTeatimeAffected(u32 battlerId)
 
 #define UPDATE_COURTCHANGED_BATTLER(structField)\
 {                                               \
-    sideTimerPlayer->structField ^= BIT_SIDE;        \
-    sideTimerOpp->structField ^= BIT_SIDE;        \
+    temp = sideTimerPlayer->structField;        \
+    sideTimerPlayer->structField = BATTLE_OPPOSITE(sideTimerOpp->structField);        \
+    sideTimerOpp->structField = BATTLE_OPPOSITE(temp);        \
 }                                               \
 
 static bool32 CourtChangeSwapSideStatuses(void)
@@ -8554,9 +8555,7 @@ static bool32 CourtChangeSwapSideStatuses(void)
     UPDATE_COURTCHANGED_BATTLER(auroraVeilBattlerId);
     UPDATE_COURTCHANGED_BATTLER(tailwindBattlerId);
     UPDATE_COURTCHANGED_BATTLER(luckyChantBattlerId);
-
-    // For Mirror Armor only
-    gBattleStruct->stickyWebUser = gBattlerAttacker;
+    UPDATE_COURTCHANGED_BATTLER(stickyWebBattlerId);
 
     // Track which side originally set the Sticky Web
     SWAP(sideTimerPlayer->stickyWebBattlerSide, sideTimerOpp->stickyWebBattlerSide, temp);
@@ -8596,33 +8595,6 @@ static void HandleScriptMegaPrimal(u32 caseId, u32 battlerId, bool32 isMega)
     }
 }
 
-static bool32 CanTeleport(u8 battlerId)
-{
-    struct Pokemon *party = GetBattlerParty(battlerId);
-    u32 species, count, i;
-
-    for (i = 0; i < PARTY_SIZE; i++)
-    {
-        species = GetMonData(&party[i], MON_DATA_SPECIES_OR_EGG);
-        if (species != SPECIES_NONE && species != SPECIES_EGG && GetMonData(&party[i], MON_DATA_HP) != 0)
-            count++;
-    }
-
-    switch (GetBattlerSide(battlerId))
-    {
-    case B_SIDE_OPPONENT:
-        if (count == 1 || gBattleTypeFlags & BATTLE_TYPE_DOUBLE)
-            return FALSE;
-        break;
-    case B_SIDE_PLAYER:
-        if (count == 1 || (gBattleTypeFlags & BATTLE_TYPE_DOUBLE && count <= 2))
-            return FALSE;
-        break;
-    }
-
-    return TRUE;
-}
-
 // Return True if the order was changed, and false if the order was not changed(for example because the target would move after the attacker anyway).
 static bool32 ChangeOrderTargetAfterAttacker(void)
 {
@@ -10571,8 +10543,8 @@ static void Cmd_various(void)
         //  If Pokémon which set up Sticky Web is not on the field, no Pokémon have their Speed lowered."
         gBattlerAttacker = gBattlerTarget;  // Initialize 'fail' condition
         SET_STATCHANGER(STAT_SPEED, 1, TRUE);
-        if (gBattleStruct->stickyWebUser != 0xFF)
-            gBattlerAttacker = gBattleStruct->stickyWebUser;
+        if (gSideTimers[GetBattlerSide(gActiveBattler)].stickyWebBattlerId != 0xFF)
+            gBattlerAttacker = gSideTimers[GetBattlerSide(gActiveBattler)].stickyWebBattlerId;
         break;
     }
     case VARIOUS_CUT_1_3_HP_RAISE_STATS:
@@ -13640,7 +13612,7 @@ static void Cmd_jumpifnopursuitswitchdmg(void)
         && !(gBattleMons[gBattlerTarget].status1 & (STATUS1_SLEEP | STATUS1_FREEZE))
         && gBattleMons[gBattlerAttacker].hp
         && !gDisableStructs[gBattlerTarget].truantCounter
-        && gChosenMoveByBattler[gBattlerTarget] == MOVE_PURSUIT)
+        && gBattleMoves[gChosenMoveByBattler[gBattlerTarget]].effect == EFFECT_PURSUIT)
     {
         s32 i;
 
@@ -13650,7 +13622,7 @@ static void Cmd_jumpifnopursuitswitchdmg(void)
                 gActionsByTurnOrder[i] = B_ACTION_TRY_FINISH;
         }
 
-        gCurrentMove = MOVE_PURSUIT;
+        gCurrentMove = gChosenMoveByBattler[gBattlerTarget];
         gCurrMovePos = gChosenMovePos = *(gBattleStruct->chosenMovePositions + gBattlerTarget);
         gBattlescriptCurrInstr = cmd->nextInstr;
         gBattleScripting.animTurn = 1;
@@ -13834,9 +13806,9 @@ static void Cmd_setstickyweb(void)
     else
     {
         gSideStatuses[targetSide] |= SIDE_STATUS_STICKY_WEB;
+        gSideTimers[targetSide].stickyWebBattlerId = gBattlerAttacker; // For Mirror Armor
         gSideTimers[targetSide].stickyWebBattlerSide = GetBattlerSide(gBattlerAttacker); // For Court Change/Defiant - set this to the user's side
         gSideTimers[targetSide].stickyWebAmount = 1;
-        gBattleStruct->stickyWebUser = gBattlerAttacker;    // For Mirror Armor
         gBattlescriptCurrInstr = cmd->nextInstr;
     }
 }
@@ -15070,10 +15042,10 @@ static void Cmd_pursuitdoubles(void)
     if (gBattleTypeFlags & BATTLE_TYPE_DOUBLE
         && !(gAbsentBattlerFlags & gBitTable[gActiveBattler])
         && gChosenActionByBattler[gActiveBattler] == B_ACTION_USE_MOVE
-        && gChosenMoveByBattler[gActiveBattler] == MOVE_PURSUIT)
+        && gBattleMoves[gChosenMoveByBattler[gActiveBattler]].effect == EFFECT_PURSUIT)
     {
         gActionsByTurnOrder[gActiveBattler] = B_ACTION_TRY_FINISH;
-        gCurrentMove = MOVE_PURSUIT;
+        gCurrentMove = gChosenMoveByBattler[gActiveBattler];
         gBattlescriptCurrInstr = cmd->nextInstr;
         gBattleScripting.animTurn = 1;
         gBattleScripting.savedBattler = gBattlerAttacker;
@@ -16101,13 +16073,6 @@ void BS_GetBattlerSide(void)
     gBattlescriptCurrInstr = cmd->nextInstr;
 }
 
-void BS_CanTeleport(void)
-{
-    NATIVE_ARGS(u8 battler);
-    gBattleCommunication[0] = CanTeleport(cmd->battler);
-    gBattlescriptCurrInstr = cmd->nextInstr;
-}
-
 void BS_TrySymbiosis(void)
 {
     NATIVE_ARGS();

src/battle_z_move.c

@@ -159,7 +159,6 @@ void QueueZMove(u8 battlerId, u16 baseMove)
 bool32 IsViableZMove(u8 battlerId, u16 move)
 {
     struct Pokemon *mon;
-    struct MegaEvolutionData *mega = &(((struct ChooseMoveStruct *)(&gBattleResources->bufferA[gActiveBattler][4]))->mega);
     u8 battlerPosition = GetBattlerPosition(battlerId);
     u8 partnerPosition = GetBattlerPosition(BATTLE_PARTNER(battlerId));
     u32 item;
@@ -185,15 +184,6 @@ bool32 IsViableZMove(u8 battlerId, u16 move)
     if ((GetBattlerPosition(battlerId) == B_POSITION_PLAYER_LEFT || (!(gBattleTypeFlags & BATTLE_TYPE_MULTI) && GetBattlerPosition(battlerId) == B_POSITION_PLAYER_RIGHT)) && !CheckBagHasItem(ITEM_Z_POWER_RING, 1))
         return FALSE;
 
-    if (mega->alreadyEvolved[battlerPosition])
-        return FALSE;   // Trainer has mega evolved
-
-    if (gBattleTypeFlags & BATTLE_TYPE_DOUBLE)
-    {
-        if (IsPartnerMonFromSameTrainer(battlerId) && (mega->alreadyEvolved[partnerPosition] || (mega->toEvolve & gBitTable[BATTLE_PARTNER(battlerId)])))
-            return FALSE;   // Partner has mega evolved or is about to mega evolve
-    }
-
     if (item == ITEM_ENIGMA_BERRY_E_READER)
         return FALSE;   // HoldEffect = gEnigmaBerries[battlerId].holdEffect;
     else
@@ -350,9 +340,12 @@ bool32 IsZMoveTriggerSpriteActive(void)
 
 void HideZMoveTriggerSprite(void)
 {
-    struct Sprite *sprite = &gSprites[gBattleStruct->zmove.triggerSpriteId];
-    sprite->tHide = TRUE;
+    struct Sprite *sprite;
     gBattleStruct->zmove.viable = FALSE;
+    if (gBattleStruct->zmove.triggerSpriteId >= MAX_SPRITES)
+        return;
+    sprite = &gSprites[gBattleStruct->zmove.triggerSpriteId];
+    sprite->tHide = TRUE;
 }
 
 static void ShowZMoveTriggerSprite(u8 battlerId)

src/data/battle_moves.h

@@ -9942,7 +9942,7 @@ const struct BattleMove gBattleMoves[MOVES_COUNT_Z] =
         .priority = 0,
         .split = SPLIT_SPECIAL,
         .zMoveEffect = Z_EFFECT_NONE,
-        .soundMove = TRUE,
+        .sheerForceBoost = TRUE,
         .thawsUser = TRUE,
         .metronomeBanned = TRUE,
     },

src/data/items.h

@@ -6,7 +6,7 @@
     #define EVO_HELD_ITEM_FIELD_FUNC ItemUseOutOfBattle_CannotUse
 #endif
 
-#if I_GEM_BOOST_POWER >= GEN_5
+#if I_GEM_BOOST_POWER >= GEN_6
     #define GEM_BOOST_PARAM 30
 #else
     #define GEM_BOOST_PARAM 50

test/ability_swarm.c

@@ -1,20 +0,0 @@
-#include "global.h"
-#include "test_battle.h"
-
-SINGLE_BATTLE_TEST("Swarm boosts Bug-type moves in a pinch", s16 damage)
-{
-    u16 hp;
-    PARAMETRIZE { hp = 99; }
-    PARAMETRIZE { hp = 33; }
-    GIVEN {
-        ASSUME(gBattleMoves[MOVE_BUG_BITE].type == TYPE_BUG);
-        PLAYER(SPECIES_LEDYBA) { Ability(ABILITY_SWARM); MaxHP(99); HP(hp); }
-        OPPONENT(SPECIES_WOBBUFFET);
-    } WHEN {
-        TURN { MOVE(player, MOVE_BUG_BITE); }
-    } SCENE {
-        HP_BAR(opponent, captureDamage: &results[i].damage);
-    } FINALLY {
-        EXPECT_MUL_EQ(results[0].damage, Q_4_12(1.5), results[1].damage);
-    }
-}

test/battle/ability/bad_dreams.c

@@ -1,5 +1,5 @@
 #include "global.h"
-#include "test_battle.h"
+#include "test/battle.h"
 
 ASSUMPTIONS
 {

test/battle/ability/beads_of_ruin.c

@@ -1,5 +1,5 @@
 #include "global.h"
-#include "test_battle.h"
+#include "test/battle.h"
 
 ASSUMPTIONS
 {

test/battle/ability/blaze.c

@@ -1,5 +1,5 @@
 #include "global.h"
-#include "test_battle.h"
+#include "test/battle.h"
 
 SINGLE_BATTLE_TEST("Blaze boosts Fire-type moves in a pinch", s16 damage)
 {

test/battle/ability/clear_body.c

@@ -1,5 +1,5 @@
 #include "global.h"
-#include "test_battle.h"
+#include "test/battle.h"
 
 SINGLE_BATTLE_TEST("Clear Body prevents intimidate")
 {

test/battle/ability/cloud_nine.c

@@ -1,5 +1,5 @@
 #include "global.h"
-#include "test_battle.h"
+#include "test/battle.h"
 
 SINGLE_BATTLE_TEST("Cloud Nine prevents weather effects")
 {

test/battle/ability/compound_eyes.c

@@ -1,5 +1,5 @@
 #include "global.h"
-#include "test_battle.h"
+#include "test/battle.h"
 
 SINGLE_BATTLE_TEST("Compound Eyes raises accuracy")
 {

test/battle/ability/contrary.c

@@ -1,5 +1,5 @@
 #include "global.h"
-#include "test_battle.h"
+#include "test/battle.h"
 
 ASSUMPTIONS
 {
@@ -26,7 +26,7 @@ SINGLE_BATTLE_TEST("Contrary raises Attack when Intimidated", s16 damage)
         HP_BAR(player, captureDamage: &results[i].damage);
     }
     FINALLY {
-        EXPECT_MUL_EQ(results[1].damage, Q_4_12(2.125), results[0].damage);
+        EXPECT_MUL_EQ(results[1].damage, Q_4_12(2.25), results[0].damage);
     }
 }
 

test/battle/ability/cute_charm.c

@@ -1,5 +1,5 @@
 #include "global.h"
-#include "test_battle.h"
+#include "test/battle.h"
 
 SINGLE_BATTLE_TEST("Cute Charm inflicts infatuation on contact")
 {

test/battle/ability/damp.c

@@ -1,5 +1,5 @@
 #include "global.h"
-#include "test_battle.h"
+#include "test/battle.h"
 
 SINGLE_BATTLE_TEST("Damp prevents explosion-like moves from enemies")
 {

test/battle/ability/desolate_land.c

@@ -1,72 +1,12 @@
 #include "global.h"
-#include "test_battle.h"
+#include "test/battle.h"
 
 ASSUMPTIONS
 {
-    ASSUME(gBattleMoves[MOVE_EMBER].power != 0);
-    ASSUME(gBattleMoves[MOVE_EMBER].type == TYPE_FIRE);
     ASSUME(gBattleMoves[MOVE_WATER_GUN].power != 0);
     ASSUME(gBattleMoves[MOVE_WATER_GUN].type == TYPE_WATER);
 }
 
-SINGLE_BATTLE_TEST("Primordial Sea blocks damaging Fire-type moves")
-{
-    GIVEN {
-        PLAYER(SPECIES_KYOGRE) {Item(ITEM_BLUE_ORB);}
-        OPPONENT(SPECIES_WOBBUFFET);
-    } WHEN {
-        TURN { MOVE(opponent, MOVE_EMBER); }
-        TURN { MOVE(opponent, MOVE_EMBER); }
-    } SCENE {
-        MESSAGE("Foe Wobbuffet used Ember!");
-        NOT ANIMATION(ANIM_TYPE_MOVE, MOVE_EMBER, opponent);
-        MESSAGE("The Fire-type attack fizzled out\nin the heavy rain!");
-        NOT HP_BAR(player);
-        MESSAGE("Foe Wobbuffet used Ember!");
-        NOT ANIMATION(ANIM_TYPE_MOVE, MOVE_EMBER, opponent);
-        MESSAGE("The Fire-type attack fizzled out\nin the heavy rain!");
-        NOT HP_BAR(player);
-    } THEN {
-        EXPECT_EQ(player->hp, player->maxHP);
-    }
-}
-
-DOUBLE_BATTLE_TEST("Primordial Sea blocks damaging Fire-type moves and prints the message only once with moves hitting multiple targets")
-{
-    GIVEN {
-        ASSUME(gBattleMoves[MOVE_ERUPTION].power != 0);
-        ASSUME(gBattleMoves[MOVE_ERUPTION].type == TYPE_FIRE);
-        ASSUME(gBattleMoves[MOVE_ERUPTION].target == MOVE_TARGET_BOTH);
-        PLAYER(SPECIES_KYOGRE) {Item(ITEM_BLUE_ORB); {Speed(5);}}
-        PLAYER(SPECIES_WOBBUFFET) {Speed(5);}
-        OPPONENT(SPECIES_WOBBUFFET) {Speed(10);}
-        OPPONENT(SPECIES_WOBBUFFET) {Speed(8);}
-    } WHEN {
-        TURN { MOVE(opponentLeft, MOVE_ERUPTION); }
-    } SCENE {
-        MESSAGE("Foe Wobbuffet used Eruption!");
-        NOT ANIMATION(ANIM_TYPE_MOVE, MOVE_ERUPTION, opponentLeft);
-        MESSAGE("The Fire-type attack fizzled out\nin the heavy rain!");
-        NOT MESSAGE("The Fire-type attack fizzled out\nin the heavy rain!");
-    } THEN {
-        EXPECT_EQ(playerLeft->hp, playerLeft->maxHP);
-        EXPECT_EQ(playerRight->hp, playerRight->maxHP);
-    }
-}
-
-SINGLE_BATTLE_TEST("Primordial Sea does not block a move if pokemon is asleep and uses a Fire-type move") // Sleep/confusion/paralysis all happen before the check for primal weather
-{
-    GIVEN {
-        PLAYER(SPECIES_KYOGRE) {Item(ITEM_BLUE_ORB);}
-        OPPONENT(SPECIES_WOBBUFFET) {Status1(STATUS1_SLEEP);}
-    } WHEN {
-        TURN { MOVE(opponent, MOVE_EMBER); }
-    } SCENE {
-        NOT MESSAGE("The Fire-type attack fizzled out\nin the heavy rain!");
-        MESSAGE("Foe Wobbuffet is fast asleep.");
-    }
-}
-
 SINGLE_BATTLE_TEST("Desolate Land blocks damaging Water-type moves")
 {
     GIVEN {

test/battle/ability/download.c

@@ -1,5 +1,5 @@
 #include "global.h"
-#include "test_battle.h"
+#include "test/battle.h"
 
 ASSUMPTIONS
 {

test/battle/ability/drizzle.c

@@ -1,5 +1,5 @@
 #include "global.h"
-#include "test_battle.h"
+#include "test/battle.h"
 
 SINGLE_BATTLE_TEST("Drizzle summons rain", s16 damage)
 {

test/battle/ability/dry_skin.c

@@ -1,5 +1,5 @@
 #include "global.h"
-#include "test_battle.h"
+#include "test/battle.h"
 
 SINGLE_BATTLE_TEST("Dry Skin causes 1/8th Max HP damage in Sun")
 {
@@ -36,15 +36,24 @@ SINGLE_BATTLE_TEST("Dry Skin increases damage taken from Fire-type moves by 25%"
     PARAMETRIZE { ability = ABILITY_DRY_SKIN; }
     GIVEN {
         ASSUME(gBattleMoves[MOVE_EMBER].type == TYPE_FIRE);
-        PLAYER(SPECIES_WOBBUFFET);
-        OPPONENT(SPECIES_PARASECT) { Ability(ability); }
+        ASSUME(gBattleMoves[MOVE_EMBER].power == 40);
+        ASSUME(gSpeciesInfo[SPECIES_PARASECT].types[0] == TYPE_BUG);
+        ASSUME(gSpeciesInfo[SPECIES_PARASECT].types[1] == TYPE_GRASS);
+        ASSUME(gSpeciesInfo[SPECIES_WOBBUFFET].types[0] == TYPE_PSYCHIC);
+        ASSUME(gSpeciesInfo[SPECIES_WOBBUFFET].types[1] == TYPE_PSYCHIC);
+        PLAYER(SPECIES_WOBBUFFET) { SpAttack(71); }
+        OPPONENT(SPECIES_PARASECT) { Ability(ability); SpDefense(165); }
     } WHEN {
         TURN { MOVE(player, MOVE_EMBER); }
     } SCENE {
         MESSAGE("Wobbuffet used Ember!");
         HP_BAR(opponent, captureDamage: &results[i].damage);
     } FINALLY {
-        EXPECT_MUL_EQ(results[0].damage, Q_4_12(1.25), results[1].damage);
+        // Due to numerics related to rounding on each applied multiplier,
+        // the ability effect doesn't manifest as a 25% damage increase, but as a ~31% damage increase in this case.
+        // Values obtained from https://calc.pokemonshowdown.com (Neutral nature and 0 IVs on both sides)
+        EXPECT_EQ(results[0].damage, 52);
+        EXPECT_EQ(results[1].damage, 68);
     }
 }
 

test/battle/ability/electromorphosis.c

@@ -1,5 +1,5 @@
 #include "global.h"
-#include "test_battle.h"
+#include "test/battle.h"
 
 SINGLE_BATTLE_TEST("Electromorphosis sets up Charge when hit by any move")
 {

test/battle/ability/flame_body.c

@@ -1,5 +1,5 @@
 #include "global.h"
-#include "test_battle.h"
+#include "test/battle.h"
 
 SINGLE_BATTLE_TEST("Flame Body inflicts burn on contact")
 {

test/battle/ability/flower_gift.c

@@ -1,5 +1,5 @@
 #include "global.h"
-#include "test_battle.h"
+#include "test/battle.h"
 
 SINGLE_BATTLE_TEST("Flower Gift transforms Cherrim in harsh sunlight")
 {

test/battle/ability/fluffy.c

@@ -0,0 +1,66 @@
+#include "global.h"
+#include "test/battle.h"
+
+ASSUMPTIONS
+{
+    ASSUME(gBattleMoves[MOVE_TACKLE].makesContact);
+    ASSUME(gBattleMoves[MOVE_EMBER].type == TYPE_FIRE);
+    ASSUME(gBattleMoves[MOVE_TACKLE].makesContact);
+    ASSUME(gBattleMoves[MOVE_FIRE_PUNCH].makesContact);
+    ASSUME(gBattleMoves[MOVE_FIRE_PUNCH].type == TYPE_FIRE);
+    ASSUME(P_GEN_7_POKEMON == TRUE);
+}
+
+SINGLE_BATTLE_TEST("Fluffy halves damage taken from moves that make direct contact", s16 damage)
+{
+    u32 ability;
+    PARAMETRIZE { ability = ABILITY_KLUTZ; }
+    PARAMETRIZE { ability = ABILITY_FLUFFY; }
+    GIVEN {
+        PLAYER(SPECIES_WOBBUFFET);
+        OPPONENT(SPECIES_STUFFUL) { Ability(ability); }
+    } WHEN {
+        TURN { MOVE(player, MOVE_TACKLE); }
+    } SCENE {
+        MESSAGE("Wobbuffet used Tackle!");
+        HP_BAR(opponent, captureDamage: &results[i].damage);
+    } FINALLY {
+        EXPECT_MUL_EQ(results[0].damage, UQ_4_12(0.5), results[1].damage);
+    }
+}
+
+SINGLE_BATTLE_TEST("Fluffy doubles damage taken from fire type moves", s16 damage)
+{
+    u32 ability;
+    PARAMETRIZE { ability = ABILITY_KLUTZ; }
+    PARAMETRIZE { ability = ABILITY_FLUFFY; }
+    GIVEN {
+        PLAYER(SPECIES_WOBBUFFET);
+        OPPONENT(SPECIES_STUFFUL) { Ability(ability); }
+    } WHEN {
+        TURN { MOVE(player, MOVE_EMBER); }
+    } SCENE {
+        MESSAGE("Wobbuffet used Ember!");
+        HP_BAR(opponent, captureDamage: &results[i].damage);
+    } FINALLY {
+        EXPECT_MUL_EQ(results[0].damage, UQ_4_12(2.0), results[1].damage);
+    }
+}
+
+SINGLE_BATTLE_TEST("Fluffy does not alter damage of fire-type moves that make direct contact", s16 damage)
+{
+    u32 ability;
+    PARAMETRIZE { ability = ABILITY_KLUTZ; }
+    PARAMETRIZE { ability = ABILITY_FLUFFY; }
+    GIVEN {
+        PLAYER(SPECIES_WOBBUFFET);
+        OPPONENT(SPECIES_STUFFUL) { Ability(ability); }
+    } WHEN {
+        TURN { MOVE(player, MOVE_FIRE_PUNCH); }
+    } SCENE {
+        MESSAGE("Wobbuffet used Fire Punch!");
+        HP_BAR(opponent, captureDamage: &results[i].damage);
+    } FINALLY {
+        EXPECT_EQ(results[0].damage, results[1].damage);
+    }
+}

test/battle/ability/forecast.c

@@ -1,5 +1,5 @@
 #include "global.h"
-#include "test_battle.h"
+#include "test/battle.h"
 
 SINGLE_BATTLE_TEST("Forecast transforms Castform in weather from an opponent's move")
 {

test/battle/ability/full_metal_body.c

@@ -1,5 +1,5 @@
 #include "global.h"
-#include "test_battle.h"
+#include "test/battle.h"
 
 SINGLE_BATTLE_TEST("Full Metal Body prevents intimidate")
 {

test/battle/ability/hunger_switch.c

@@ -1,5 +1,5 @@
 #include "global.h"
-#include "test_battle.h"
+#include "test/battle.h"
 
 SINGLE_BATTLE_TEST("Hunger Switch switches Morpeko's forms at the end of the turn")
 {

test/battle/ability/hydration.c

@@ -1,5 +1,5 @@
 #include "global.h"
-#include "test_battle.h"
+#include "test/battle.h"
 
 SINGLE_BATTLE_TEST("Hydration cures non-volatile Status conditions if it is raining")
 {

test/battle/ability/hyper_cutter.c

@@ -1,5 +1,5 @@
 #include "global.h"
-#include "test_battle.h"
+#include "test/battle.h"
 
 SINGLE_BATTLE_TEST("Hyper Cutter prevents intimidate")
 {

test/battle/ability/ice_body.c

@@ -1,5 +1,5 @@
 #include "global.h"
-#include "test_battle.h"
+#include "test/battle.h"
 
 SINGLE_BATTLE_TEST("Ice Body prevents damage from hail")
 {

test/battle/ability/immunity.c

@@ -1,5 +1,5 @@
 #include "global.h"
-#include "test_battle.h"
+#include "test/battle.h"
 
 SINGLE_BATTLE_TEST("Immunity prevents Poison Sting poison")
 {

test/battle/ability/inner_focus.c

@@ -1,5 +1,5 @@
 #include "global.h"
-#include "test_battle.h"
+#include "test/battle.h"
 
 SINGLE_BATTLE_TEST("Inner Focus prevents intimidate")
 {

test/battle/ability/insomnia.c

@@ -1,5 +1,5 @@
 #include "global.h"
-#include "test_battle.h"
+#include "test/battle.h"
 
 SINGLE_BATTLE_TEST("Insomnia prevents sleep")
 {

test/battle/ability/intimidate.c

@@ -1,5 +1,5 @@
 #include "global.h"
-#include "test_battle.h"
+#include "test/battle.h"
 
 ASSUMPTIONS
 {

test/battle/ability/leaf_guard.c

@@ -1,5 +1,5 @@
 #include "global.h"
-#include "test_battle.h"
+#include "test/battle.h"
 
 SINGLE_BATTLE_TEST("Leaf Guard prevents non-volatile status conditions in sun")
 {

test/battle/ability/limber.c

@@ -1,5 +1,5 @@
 #include "global.h"
-#include "test_battle.h"
+#include "test/battle.h"
 
 SINGLE_BATTLE_TEST("Limber prevents paralysis")
 {

test/battle/ability/magic_bounce.c

@@ -1,5 +1,5 @@
 #include "global.h"
-#include "test_battle.h"
+#include "test/battle.h"
 
 
 SINGLE_BATTLE_TEST("Magic Bounce bounces back status moves")

test/battle/ability/mirror_armor.c

@@ -0,0 +1,202 @@
+#include "global.h"
+#include "test/battle.h"
+
+ASSUMPTIONS
+{
+    ASSUME(P_GEN_8_POKEMON == TRUE);
+}
+
+SINGLE_BATTLE_TEST("Mirror Armor lowers a stat of the attacking pokemon")
+{
+    u16 move, statId;
+
+    PARAMETRIZE { move = MOVE_LEER; statId = STAT_DEF; }
+    PARAMETRIZE { move = MOVE_GROWL; statId = STAT_ATK; }
+    PARAMETRIZE { move = MOVE_SWEET_SCENT; statId = STAT_EVASION; }
+    PARAMETRIZE { move = MOVE_SAND_ATTACK; statId = STAT_ACC; }
+    PARAMETRIZE { move = MOVE_CONFIDE; statId = STAT_SPATK; }
+    PARAMETRIZE { move = MOVE_FAKE_TEARS; statId = STAT_SPDEF; }
+
+    GIVEN {
+        PLAYER(SPECIES_CORVIKNIGHT) {Ability(ABILITY_MIRROR_ARMOR);}
+        OPPONENT(SPECIES_WYNAUT);
+    } WHEN {
+        TURN { MOVE(opponent, move); }
+    } SCENE {
+        ABILITY_POPUP(player, ABILITY_MIRROR_ARMOR);
+        ANIMATION(ANIM_TYPE_GENERAL, B_ANIM_STATS_CHANGE, opponent);
+        switch (statId)
+        {
+        case STAT_DEF:
+            MESSAGE("Foe Wynaut's Defense fell!");
+            break;
+        case STAT_ATK:
+            MESSAGE("Foe Wynaut's Attack fell!");
+            break;
+        case STAT_EVASION:
+            MESSAGE("Foe Wynaut's evasiveness harshly fell!");
+            break;
+        case STAT_ACC:
+            MESSAGE("Foe Wynaut's accuracy fell!");
+            break;
+        case STAT_SPATK:
+            MESSAGE("Foe Wynaut's Sp. Atk fell!");
+            break;
+        case STAT_SPDEF:
+            MESSAGE("Foe Wynaut's Sp. Def harshly fell!");
+            break;
+        }
+    } THEN {
+        EXPECT_EQ(player->statStages[statId], DEFAULT_STAT_STAGE);
+        EXPECT_EQ(opponent->statStages[statId], (statId == STAT_SPDEF || statId == STAT_EVASION) ? DEFAULT_STAT_STAGE - 2 : DEFAULT_STAT_STAGE - 1);
+    }
+}
+
+SINGLE_BATTLE_TEST("Mirror Armor triggers even if the attacking Pokemon also has Mirror Armor ability")
+{
+    GIVEN {
+        PLAYER(SPECIES_CORVIKNIGHT) { Ability(ABILITY_MIRROR_ARMOR); }
+        OPPONENT(SPECIES_CORVIKNIGHT) { Ability(ABILITY_MIRROR_ARMOR); }
+    } WHEN {
+        TURN { MOVE(opponent, MOVE_LEER); }
+    } SCENE {
+        MESSAGE("Foe Corviknigh used Leer!");
+        ABILITY_POPUP(player, ABILITY_MIRROR_ARMOR);
+        NOT ANIMATION(ANIM_TYPE_GENERAL, B_ANIM_STATS_CHANGE, player);
+        ANIMATION(ANIM_TYPE_GENERAL, B_ANIM_STATS_CHANGE, opponent);
+        MESSAGE("Foe Corviknigh's Defense fell!");
+    } THEN {
+        EXPECT_EQ(player->statStages[STAT_DEF], DEFAULT_STAT_STAGE);
+        EXPECT_EQ(opponent->statStages[STAT_DEF], DEFAULT_STAT_STAGE - 1);
+    }
+}
+
+SINGLE_BATTLE_TEST("Mirror Armor doesn't lower the stats of an attacking Pokemon with the Clear Body ability")
+{
+    GIVEN {
+        PLAYER(SPECIES_CORVIKNIGHT) { Ability(ABILITY_MIRROR_ARMOR); }
+        OPPONENT(SPECIES_WYNAUT) { Ability(ABILITY_CLEAR_BODY); }
+    } WHEN {
+        TURN { MOVE(opponent, MOVE_LEER); }
+    } SCENE {
+        MESSAGE("Foe Wynaut used Leer!");
+        ABILITY_POPUP(player, ABILITY_MIRROR_ARMOR);
+        ABILITY_POPUP(opponent, ABILITY_CLEAR_BODY);
+        MESSAGE("Foe Wynaut's Clear Body prevents stat loss!");
+    } THEN {
+        EXPECT_EQ(player->statStages[STAT_DEF], DEFAULT_STAT_STAGE);
+        EXPECT_EQ(opponent->statStages[STAT_DEF], DEFAULT_STAT_STAGE);
+    }
+}
+
+SINGLE_BATTLE_TEST("Mirror Armor lowers the Attack of Pokemon with Intimidate")
+{
+    GIVEN {
+        PLAYER(SPECIES_CORVIKNIGHT) { Ability(ABILITY_MIRROR_ARMOR); }
+        OPPONENT(SPECIES_GYARADOS) { Ability(ABILITY_INTIMIDATE); }
+    } WHEN {
+        TURN {}
+    } SCENE {
+        ABILITY_POPUP(opponent, ABILITY_INTIMIDATE);
+        ABILITY_POPUP(player, ABILITY_MIRROR_ARMOR);
+        ANIMATION(ANIM_TYPE_GENERAL, B_ANIM_STATS_CHANGE, opponent);
+        MESSAGE("Foe Gyarados's Attack fell!");
+    } THEN {
+        EXPECT_EQ(player->statStages[STAT_ATK], DEFAULT_STAT_STAGE);
+        EXPECT_EQ(opponent->statStages[STAT_ATK], DEFAULT_STAT_STAGE - 1);
+    }
+}
+
+// Unsure whether this should or should not fail, as Showdown has conflicting information. Needs testing in gen8 games.
+SINGLE_BATTLE_TEST("Mirror Armor doesn't lower the stats of an attacking Pokemon behind Substitute")
+{
+    KNOWN_FAILING;
+    GIVEN {
+        PLAYER(SPECIES_CORVIKNIGHT) { Ability(ABILITY_MIRROR_ARMOR); }
+        OPPONENT(SPECIES_WYNAUT);
+    } WHEN {
+        TURN { MOVE(opponent, MOVE_SUBSTITUTE); }
+        TURN { MOVE(opponent, MOVE_LEER); }
+    } SCENE {
+        MESSAGE("Foe Wynaut used Substitute!");
+        ANIMATION(ANIM_TYPE_MOVE, MOVE_SUBSTITUTE, opponent);
+        MESSAGE("Foe Wynaut used Leer!");
+        ABILITY_POPUP(player, ABILITY_MIRROR_ARMOR);
+        NOT ANIMATION(ANIM_TYPE_GENERAL, B_ANIM_STATS_CHANGE, opponent);
+    } THEN {
+        EXPECT_EQ(player->statStages[STAT_DEF], DEFAULT_STAT_STAGE);
+        EXPECT_EQ(opponent->statStages[STAT_DEF], DEFAULT_STAT_STAGE);
+    }
+}
+
+SINGLE_BATTLE_TEST("Mirror Armor raises the stat of an attacking Pokemon with Contrary")
+{
+    GIVEN {
+        PLAYER(SPECIES_CORVIKNIGHT) {Ability(ABILITY_MIRROR_ARMOR);}
+        OPPONENT(SPECIES_SHUCKLE) {Ability(ABILITY_CONTRARY);}
+    } WHEN {
+        TURN { MOVE(opponent, MOVE_LEER); }
+    } SCENE {
+        MESSAGE("Foe Shuckle used Leer!");
+        ABILITY_POPUP(player, ABILITY_MIRROR_ARMOR);
+        ANIMATION(ANIM_TYPE_GENERAL, B_ANIM_STATS_CHANGE, opponent);
+        MESSAGE("Foe Shuckle's Defense rose!");
+    } THEN {
+        EXPECT_EQ(player->statStages[STAT_DEF], DEFAULT_STAT_STAGE);
+        EXPECT_EQ(opponent->statStages[STAT_DEF], DEFAULT_STAT_STAGE + 1);
+    }
+}
+
+SINGLE_BATTLE_TEST("Mirror Armor doesn't lower the stat of the attacking Pokemon if it is already at -6")
+{
+    GIVEN {
+        PLAYER(SPECIES_CORVIKNIGHT) {Ability(ABILITY_MIRROR_ARMOR);}
+        OPPONENT(SPECIES_WYNAUT);
+    } WHEN {
+        TURN { MOVE(player, MOVE_SCREECH); }
+        TURN { MOVE(player, MOVE_SCREECH); }
+        TURN { MOVE(player, MOVE_SCREECH); }
+        TURN { MOVE(opponent, MOVE_LEER); }
+    } SCENE {
+        MESSAGE("Corviknigh used Screech!");
+        MESSAGE("Corviknigh used Screech!");
+        MESSAGE("Corviknigh used Screech!");
+        MESSAGE("Foe Wynaut used Leer!");
+        ABILITY_POPUP(player, ABILITY_MIRROR_ARMOR);
+        NOT ANIMATION(ANIM_TYPE_GENERAL, B_ANIM_STATS_CHANGE, opponent);
+        MESSAGE("Foe Wynaut's Defense won't go lower!");
+    } THEN {
+        EXPECT_EQ(player->statStages[STAT_DEF], DEFAULT_STAT_STAGE);
+        EXPECT_EQ(opponent->statStages[STAT_DEF], MIN_STAT_STAGE);
+    }
+}
+
+// This behaviour needs to be verified in the actual games. Currently it's written to follow Showdown's logic.
+DOUBLE_BATTLE_TEST("Mirror Armor lowers Speed of the partner Pokemon after Court Change was used by the opponent after it set up Sticky Web")
+{
+    KNOWN_FAILING;
+    GIVEN {
+        ASSUME(gBattleMoves[MOVE_STICKY_WEB].effect == EFFECT_STICKY_WEB);
+        ASSUME(gBattleMoves[MOVE_COURT_CHANGE].effect == EFFECT_COURT_CHANGE);
+        PLAYER(SPECIES_WOBBUFFET);
+        PLAYER(SPECIES_WOBBUFFET);
+        PLAYER(SPECIES_CORVIKNIGHT) {Ability(ABILITY_MIRROR_ARMOR); Item(ITEM_IRON_BALL); }
+        OPPONENT(SPECIES_WYNAUT);
+        OPPONENT(SPECIES_WYNAUT);
+        OPPONENT(SPECIES_WYNAUT);
+    } WHEN {
+        TURN { MOVE(playerLeft, MOVE_STICKY_WEB); }
+        TURN { MOVE(opponentLeft, MOVE_COURT_CHANGE); }
+        TURN { SWITCH(playerRight, 2);}
+        TURN { }
+    } SCENE {
+        MESSAGE("Wobbuffet used Sticky Web!");
+        MESSAGE("Foe Wynaut used Court Change!");
+        MESSAGE("Foe Wynaut swapped the battle effects affecting each side!");
+        MESSAGE("Go! Corviknigh!");
+        MESSAGE("Corviknigh was caught in a Sticky Web!");
+        ABILITY_POPUP(playerRight, ABILITY_MIRROR_ARMOR);
+        ANIMATION(ANIM_TYPE_GENERAL, B_ANIM_STATS_CHANGE, playerLeft);
+        MESSAGE("Wobbuffet's Speed fell!");
+    }
+}

test/battle/ability/oblivious.c

@@ -1,5 +1,5 @@
 #include "global.h"
-#include "test_battle.h"
+#include "test/battle.h"
 
 SINGLE_BATTLE_TEST("Oblivious prevents Infatuation")
 {

test/battle/ability/overcoat.c

@@ -0,0 +1,21 @@
+#include "global.h"
+#include "test/battle.h"
+
+SINGLE_BATTLE_TEST("Overcoat blocks powder and spore moves")
+{
+    GIVEN {
+        ASSUME(gBattleMoves[MOVE_STUN_SPORE].powderMove);
+        PLAYER(SPECIES_WYNAUT);
+        OPPONENT(SPECIES_PINECO) { Ability(ABILITY_OVERCOAT); }
+    } WHEN {
+        TURN { MOVE(player, MOVE_STUN_SPORE); }
+    } SCENE {
+        ABILITY_POPUP(opponent, ABILITY_OVERCOAT);
+        NOT ANIMATION(ANIM_TYPE_MOVE, MOVE_STUN_SPORE, player);
+        MESSAGE("It doesn't affect Foe Pineco…");
+    }
+}
+
+TO_DO_BATTLE_TEST("Overcoat blocks damage from hail");
+TO_DO_BATTLE_TEST("Overcoat blocks damage from sandstorm");
+TO_DO_BATTLE_TEST("Overcoat blocks Effect Spore's effect");

test/battle/ability/overgrow.c

@@ -1,5 +1,5 @@
 #include "global.h"
-#include "test_battle.h"
+#include "test/battle.h"
 
 SINGLE_BATTLE_TEST("Overgrow boosts Grass-type moves in a pinch", s16 damage)
 {

test/battle/ability/own_tempo.c

@@ -1,5 +1,5 @@
 #include "global.h"
-#include "test_battle.h"
+#include "test/battle.h"
 
 SINGLE_BATTLE_TEST("Own Tempo prevents intimidate")
 {

test/battle/ability/pastel_veil.c

@@ -1,5 +1,5 @@
 #include "global.h"
-#include "test_battle.h"
+#include "test/battle.h"
 
 SINGLE_BATTLE_TEST("Pastel Veil prevents Poison Sting poison")
 {

test/battle/ability/poison_point.c

@@ -1,5 +1,5 @@
 #include "global.h"
-#include "test_battle.h"
+#include "test/battle.h"
 
 SINGLE_BATTLE_TEST("Poison Point inflicts poison on contact")
 {

test/battle/ability/primordial_sea.c

@@ -0,0 +1,66 @@
+#include "global.h"
+#include "test/battle.h"
+
+ASSUMPTIONS
+{
+    ASSUME(gBattleMoves[MOVE_EMBER].power != 0);
+    ASSUME(gBattleMoves[MOVE_EMBER].type == TYPE_FIRE);
+}
+
+SINGLE_BATTLE_TEST("Primordial Sea blocks damaging Fire-type moves")
+{
+    GIVEN {
+        PLAYER(SPECIES_KYOGRE) {Item(ITEM_BLUE_ORB);}
+        OPPONENT(SPECIES_WOBBUFFET);
+    } WHEN {
+        TURN { MOVE(opponent, MOVE_EMBER); }
+        TURN { MOVE(opponent, MOVE_EMBER); }
+    } SCENE {
+        MESSAGE("Foe Wobbuffet used Ember!");
+        NOT ANIMATION(ANIM_TYPE_MOVE, MOVE_EMBER, opponent);
+        MESSAGE("The Fire-type attack fizzled out\nin the heavy rain!");
+        NOT HP_BAR(player);
+        MESSAGE("Foe Wobbuffet used Ember!");
+        NOT ANIMATION(ANIM_TYPE_MOVE, MOVE_EMBER, opponent);
+        MESSAGE("The Fire-type attack fizzled out\nin the heavy rain!");
+        NOT HP_BAR(player);
+    } THEN {
+        EXPECT_EQ(player->hp, player->maxHP);
+    }
+}
+
+DOUBLE_BATTLE_TEST("Primordial Sea blocks damaging Fire-type moves and prints the message only once with moves hitting multiple targets")
+{
+    GIVEN {
+        ASSUME(gBattleMoves[MOVE_ERUPTION].power != 0);
+        ASSUME(gBattleMoves[MOVE_ERUPTION].type == TYPE_FIRE);
+        ASSUME(gBattleMoves[MOVE_ERUPTION].target == MOVE_TARGET_BOTH);
+        PLAYER(SPECIES_KYOGRE) {Item(ITEM_BLUE_ORB); {Speed(5);}}
+        PLAYER(SPECIES_WOBBUFFET) {Speed(5);}
+        OPPONENT(SPECIES_WOBBUFFET) {Speed(10);}
+        OPPONENT(SPECIES_WOBBUFFET) {Speed(8);}
+    } WHEN {
+        TURN { MOVE(opponentLeft, MOVE_ERUPTION); }
+    } SCENE {
+        MESSAGE("Foe Wobbuffet used Eruption!");
+        NOT ANIMATION(ANIM_TYPE_MOVE, MOVE_ERUPTION, opponentLeft);
+        MESSAGE("The Fire-type attack fizzled out\nin the heavy rain!");
+        NOT MESSAGE("The Fire-type attack fizzled out\nin the heavy rain!");
+    } THEN {
+        EXPECT_EQ(playerLeft->hp, playerLeft->maxHP);
+        EXPECT_EQ(playerRight->hp, playerRight->maxHP);
+    }
+}
+
+SINGLE_BATTLE_TEST("Primordial Sea does not block a move if pokemon is asleep and uses a Fire-type move") // Sleep/confusion/paralysis all happen before the check for primal weather
+{
+    GIVEN {
+        PLAYER(SPECIES_KYOGRE) {Item(ITEM_BLUE_ORB);}
+        OPPONENT(SPECIES_WOBBUFFET) {Status1(STATUS1_SLEEP);}
+    } WHEN {
+        TURN { MOVE(opponent, MOVE_EMBER); }
+    } SCENE {
+        NOT MESSAGE("The Fire-type attack fizzled out\nin the heavy rain!");
+        MESSAGE("Foe Wobbuffet is fast asleep.");
+    }
+}

test/battle/ability/protosynthesis.c

@@ -1,5 +1,5 @@
 #include "global.h"
-#include "test_battle.h"
+#include "test/battle.h"
 
 ASSUMPTIONS
 {

test/battle/ability/quark_drive.c

@@ -1,5 +1,5 @@
 #include "global.h"
-#include "test_battle.h"
+#include "test/battle.h"
 
 ASSUMPTIONS
 {

test/battle/ability/rain_dish.c

@@ -1,5 +1,5 @@
 #include "global.h"
-#include "test_battle.h"
+#include "test/battle.h"
 
 SINGLE_BATTLE_TEST("Rain Dish recovers 1/16th of Max HP in Rain")
 {

test/battle/ability/rattled.c

@@ -1,5 +1,5 @@
 #include "global.h"
-#include "test_battle.h"
+#include "test/battle.h"
 
 ASSUMPTIONS
 {

test/battle/ability/sand_veil.c

@@ -1,5 +1,5 @@
 #include "global.h"
-#include "test_battle.h"
+#include "test/battle.h"
 
 SINGLE_BATTLE_TEST("Sand Veil prevents damage from sandstorm")
 {

test/battle/ability/schooling.c

@@ -1,5 +1,5 @@
 #include "global.h"
-#include "test_battle.h"
+#include "test/battle.h"
 
 SINGLE_BATTLE_TEST("Schooling switches Level 20+ Wishiwashi's form when HP is 25-percent or less at the end of the turn")
 {

test/battle/ability/scrappy.c

@@ -1,5 +1,5 @@
 #include "global.h"
-#include "test_battle.h"
+#include "test/battle.h"
 
 SINGLE_BATTLE_TEST("Scrappy prevents intimidate")
 {

test/battle/ability/snow_cloak.c

@@ -1,5 +1,5 @@
 #include "global.h"
-#include "test_battle.h"
+#include "test/battle.h"
 
 SINGLE_BATTLE_TEST("Snow Cloak prevents damage from hail")
 {

test/battle/ability/snow_warning.c

@@ -1,5 +1,5 @@
 #include "global.h"
-#include "test_battle.h"
+#include "test/battle.h"
 
 #if B_SNOW_WARNING < GEN_9
 SINGLE_BATTLE_TEST("Snow Warning summons hail")

test/battle/ability/speed_boost.c

@@ -1,5 +1,5 @@
 #include "global.h"
-#include "test_battle.h"
+#include "test/battle.h"
 
 SINGLE_BATTLE_TEST("Speed Boost gradually boosts Speed")
 {

test/battle/ability/stamina.c

@@ -1,5 +1,5 @@
 #include "global.h"
-#include "test_battle.h"
+#include "test/battle.h"
 
 #define STAMINA_STAT_RAISE(target, msg)                         \
 {                                                               \

test/battle/ability/static.c

@@ -1,5 +1,5 @@
 #include "global.h"
-#include "test_battle.h"
+#include "test/battle.h"
 
 SINGLE_BATTLE_TEST("Static inflicts paralysis on contact")
 {

test/battle/ability/stench.c

@@ -1,5 +1,5 @@
 #include "global.h"
-#include "test_battle.h"
+#include "test/battle.h"
 
 SINGLE_BATTLE_TEST("Stench has a 10% chance to flinch")
 {

test/battle/ability/sturdy.c

@@ -1,5 +1,5 @@
 #include "global.h"
-#include "test_battle.h"
+#include "test/battle.h"
 
 SINGLE_BATTLE_TEST("Sturdy prevents OHKO moves")
 {

test/battle/ability/swarm.c

@@ -0,0 +1,28 @@
+#include "global.h"
+#include "test/battle.h"
+
+SINGLE_BATTLE_TEST("Swarm boosts Bug-type moves in a pinch", s16 damage)
+{
+    u16 hp;
+    PARAMETRIZE { hp = 99; }
+    PARAMETRIZE { hp = 33; }
+    GIVEN {
+        ASSUME(gBattleMoves[MOVE_BUG_BITE].type == TYPE_BUG);
+        ASSUME(gBattleMoves[MOVE_BUG_BITE].power == 60);
+        ASSUME(gSpeciesInfo[SPECIES_LEDYBA].types[0] == TYPE_BUG);
+        ASSUME(gSpeciesInfo[SPECIES_WOBBUFFET].types[0] == TYPE_PSYCHIC);
+        ASSUME(gSpeciesInfo[SPECIES_WOBBUFFET].types[1] == TYPE_PSYCHIC);
+        PLAYER(SPECIES_LEDYBA) { Ability(ABILITY_SWARM); MaxHP(99); HP(hp); Attack(45); }
+        OPPONENT(SPECIES_WOBBUFFET) { Defense(121); }
+    } WHEN {
+        TURN { MOVE(player, MOVE_BUG_BITE); }
+    } SCENE {
+        HP_BAR(opponent, captureDamage: &results[i].damage);
+    } FINALLY {
+        // Due to numerics related to rounding on each applied multiplier,
+        // the 50% move power increase doesn't manifest as a 50% damage increase, but as a 44% damage increase in this case.
+        // Values obtained from https://calc.pokemonshowdown.com (Neutral nature and 0 IVs on both sides)
+        EXPECT_EQ(results[0].damage, 50);
+        EXPECT_EQ(results[1].damage, 72);
+    }
+}

test/battle/ability/sword_of_ruin.c

@@ -1,5 +1,5 @@
 #include "global.h"
-#include "test_battle.h"
+#include "test/battle.h"
 
 ASSUMPTIONS
 {

test/battle/ability/tablets_of_ruin.c

@@ -1,5 +1,5 @@
 #include "global.h"
-#include "test_battle.h"
+#include "test/battle.h"
 
 ASSUMPTIONS
 {

test/battle/ability/torrent.c

@@ -1,5 +1,5 @@
 #include "global.h"
-#include "test_battle.h"
+#include "test/battle.h"
 
 SINGLE_BATTLE_TEST("Torrent boosts Water-type moves in a pinch", s16 damage)
 {

test/battle/ability/vessel_of_ruin.c

@@ -1,5 +1,5 @@
 #include "global.h"
-#include "test_battle.h"
+#include "test/battle.h"
 
 ASSUMPTIONS
 {

test/battle/ability/volt_absorb.c

@@ -1,5 +1,5 @@
 #include "global.h"
-#include "test_battle.h"
+#include "test/battle.h"
 
 SINGLE_BATTLE_TEST("Volt Absorb heals 25% when hit by electric type moves")
 {

test/battle/ability/water_absorb.c

@@ -1,5 +1,5 @@
 #include "global.h"
-#include "test_battle.h"
+#include "test/battle.h"
 
 SINGLE_BATTLE_TEST("Water Absorb heals 25% when hit by water type moves")
 {

test/battle/ability/white_smoke.c

@@ -1,5 +1,5 @@
 #include "global.h"
-#include "test_battle.h"
+#include "test/battle.h"
 
 SINGLE_BATTLE_TEST("White Smoke prevents intimidate")
 {

test/battle/ability/wind_power.c

@@ -1,5 +1,5 @@
 #include "global.h"
-#include "test_battle.h"
+#include "test/battle.h"
 
 ASSUMPTIONS
 {

test/battle/ability/zen_mode.c

@@ -1,5 +1,5 @@
 #include "global.h"
-#include "test_battle.h"
+#include "test/battle.h"
 
 SINGLE_BATTLE_TEST("Zen Mode switches Darmanitan's form when HP is half or less at the end of the turn")
 {

test/battle/damage_formula.c

@@ -0,0 +1,78 @@
+#include "global.h"
+#include "test/battle.h"
+
+// From https://bulbapedia.bulbagarden.net/wiki/Damage#Example
+
+SINGLE_BATTLE_TEST("Damage calculation matches Gen5+")
+{
+    s16 dmg;
+    s16 expectedDamage;
+    PARAMETRIZE { expectedDamage = 196; }
+    PARAMETRIZE { expectedDamage = 192; }
+    PARAMETRIZE { expectedDamage = 192; }
+    PARAMETRIZE { expectedDamage = 192; }
+    PARAMETRIZE { expectedDamage = 184; }
+    PARAMETRIZE { expectedDamage = 184; }
+    PARAMETRIZE { expectedDamage = 184; }
+    PARAMETRIZE { expectedDamage = 180; }
+    PARAMETRIZE { expectedDamage = 180; }
+    PARAMETRIZE { expectedDamage = 180; }
+    PARAMETRIZE { expectedDamage = 172; }
+    PARAMETRIZE { expectedDamage = 172; }
+    PARAMETRIZE { expectedDamage = 172; }
+    PARAMETRIZE { expectedDamage = 168; }
+    PARAMETRIZE { expectedDamage = 168; }
+    PARAMETRIZE { expectedDamage = 168; }
+    GIVEN {
+        PLAYER(SPECIES_GLACEON) { Level(75); Attack(123); }
+        OPPONENT(SPECIES_GARCHOMP) { Defense(163); }
+    } WHEN {
+        TURN {
+            MOVE(player, MOVE_ICE_FANG, WITH_RNG(RNG_DAMAGE_MODIFIER, i));
+        }
+    }
+    SCENE{
+        MESSAGE("Glaceon used Ice Fang!");
+        HP_BAR(opponent, captureDamage: &dmg);
+    }
+    THEN{
+        EXPECT_EQ(expectedDamage, dmg);
+    }
+}
+
+SINGLE_BATTLE_TEST("Damage calculation matches Gen5+ (Muscle Band, crit)")
+{
+    s16 dmg;
+    s16 expectedDamage;
+    PARAMETRIZE { expectedDamage = 324; }
+    PARAMETRIZE { expectedDamage = 316; }
+    PARAMETRIZE { expectedDamage = 312; }
+    PARAMETRIZE { expectedDamage = 312; }
+    PARAMETRIZE { expectedDamage = 304; }
+    PARAMETRIZE { expectedDamage = 304; }
+    PARAMETRIZE { expectedDamage = 300; }
+    PARAMETRIZE { expectedDamage = 300; }
+    PARAMETRIZE { expectedDamage = 292; }
+    PARAMETRIZE { expectedDamage = 292; }
+    PARAMETRIZE { expectedDamage = 288; }
+    PARAMETRIZE { expectedDamage = 288; }
+    PARAMETRIZE { expectedDamage = 280; }
+    PARAMETRIZE { expectedDamage = 276; }
+    PARAMETRIZE { expectedDamage = 276; }
+    PARAMETRIZE { expectedDamage = 268; }
+    GIVEN {
+        PLAYER(SPECIES_GLACEON) { Level(75); Attack(123); Item(ITEM_MUSCLE_BAND); }
+        OPPONENT(SPECIES_GARCHOMP) { Defense(163); }
+    } WHEN {
+        TURN {
+            MOVE(player, MOVE_ICE_FANG, WITH_RNG(RNG_DAMAGE_MODIFIER, i), criticalHit: TRUE);
+        }
+    }
+    SCENE{
+        MESSAGE("Glaceon used Ice Fang!");
+        HP_BAR(opponent, captureDamage: &dmg);
+    }
+    THEN{
+        EXPECT_EQ(expectedDamage, dmg);
+    }
+}

test/battle/form_change/battle_switch.c

@@ -0,0 +1,23 @@
+#include "global.h"
+#include "test/battle.h"
+
+SINGLE_BATTLE_TEST("Aegislash reverts to Shield Form upon switching out")
+{
+    GIVEN {
+        ASSUME(P_GEN_6_POKEMON == TRUE);
+        PLAYER(SPECIES_AEGISLASH);
+        PLAYER(SPECIES_WOBBUFFET);
+        OPPONENT(SPECIES_WOBBUFFET);
+    } WHEN {
+        TURN { MOVE(player, MOVE_TACKLE); }
+        TURN { SWITCH(player, 1); }
+        TURN { SWITCH(player, 0); }
+    } SCENE {
+        ABILITY_POPUP(player, ABILITY_STANCE_CHANGE);
+        ANIMATION(ANIM_TYPE_GENERAL, B_ANIM_FORM_CHANGE, player);
+        MESSAGE("Aegislash used Tackle!");
+        MESSAGE("Foe Wobbuffet used Celebrate!");
+    } THEN {
+        EXPECT_EQ(player->species, SPECIES_AEGISLASH);
+    }
+}

test/battle/form_change/begin_battle.c

@@ -1,5 +1,5 @@
 #include "global.h"
-#include "test_battle.h"
+#include "test/battle.h"
 
 SINGLE_BATTLE_TEST("Xerneas changes into Active Form upon battle start")
 {
@@ -79,41 +79,3 @@ SINGLE_BATTLE_TEST("Zamazenta's Iron Head becomes Behemoth Bash upon form change
         EXPECT_EQ(player->moves[0], MOVE_BEHEMOTH_BASH);
     }
 }
-
-SINGLE_BATTLE_TEST("Aegislash reverts to Shield Form upon switching out")
-{
-    GIVEN {
-        ASSUME(P_GEN_6_POKEMON == TRUE);
-        PLAYER(SPECIES_AEGISLASH);
-        PLAYER(SPECIES_WOBBUFFET);
-        OPPONENT(SPECIES_WOBBUFFET);
-    } WHEN {
-        TURN { MOVE(player, MOVE_TACKLE); }
-        TURN { SWITCH(player, 1); }
-        TURN { SWITCH(player, 0); }
-    } SCENE {
-        ABILITY_POPUP(player, ABILITY_STANCE_CHANGE);
-        ANIMATION(ANIM_TYPE_GENERAL, B_ANIM_FORM_CHANGE, player);
-        MESSAGE("Aegislash used Tackle!");
-        MESSAGE("Foe Wobbuffet used Celebrate!");
-    } THEN {
-        EXPECT_EQ(player->species, SPECIES_AEGISLASH);
-    }
-}
-
-SINGLE_BATTLE_TEST("Aegislash reverts to Shield Form upon fainting")
-{
-    GIVEN {
-        ASSUME(P_GEN_6_POKEMON == TRUE);
-        PLAYER(SPECIES_AEGISLASH) { HP(1); }
-        PLAYER(SPECIES_WOBBUFFET);
-        OPPONENT(SPECIES_WOBBUFFET);
-    } WHEN {
-        TURN { MOVE(opponent, MOVE_GUST); SEND_OUT(player, 1); }
-    } SCENE {
-        MESSAGE("Foe Wobbuffet used Gust!");
-        MESSAGE("Aegislash fainted!");
-    } THEN {
-        EXPECT_EQ(GetMonData(&PLAYER_PARTY[0], MON_DATA_SPECIES), SPECIES_AEGISLASH);
-    }
-}

test/battle/form_change/faint.c

@@ -0,0 +1,19 @@
+#include "global.h"
+#include "test/battle.h"
+
+SINGLE_BATTLE_TEST("Aegislash reverts to Shield Form upon fainting")
+{
+    GIVEN {
+        ASSUME(P_GEN_6_POKEMON == TRUE);
+        PLAYER(SPECIES_AEGISLASH) { HP(1); }
+        PLAYER(SPECIES_WOBBUFFET);
+        OPPONENT(SPECIES_WOBBUFFET);
+    } WHEN {
+        TURN { MOVE(opponent, MOVE_GUST); SEND_OUT(player, 1); }
+    } SCENE {
+        MESSAGE("Foe Wobbuffet used Gust!");
+        MESSAGE("Aegislash fainted!");
+    } THEN {
+        EXPECT_EQ(GetMonData(&PLAYER_PARTY[0], MON_DATA_SPECIES), SPECIES_AEGISLASH);
+    }
+}

test/battle/form_change/mega_evolution.c

@@ -1,5 +1,5 @@
 #include "global.h"
-#include "test_battle.h"
+#include "test/battle.h"
 
 SINGLE_BATTLE_TEST("Venusaur can Mega Evolve holding Venusaurite")
 {

test/battle/form_change/primal_reversion.c

@@ -1,5 +1,5 @@
 #include "global.h"
-#include "test_battle.h"
+#include "test/battle.h"
 
 SINGLE_BATTLE_TEST("Primal reversion happens for Groudon only when holding Red Orb")
 {

test/battle/hold_effect/air_balloon.c

@@ -1,5 +1,5 @@
 #include "global.h"
-#include "test_battle.h"
+#include "test/battle.h"
 
 ASSUMPTIONS
 {

test/battle/hold_effect/berserk_gene.c

@@ -1,5 +1,5 @@
 #include "global.h"
-#include "test_battle.h"
+#include "test/battle.h"
 
 ASSUMPTIONS
 {
@@ -112,7 +112,7 @@ SINGLE_BATTLE_TEST("Berserk Gene does not confuse when Safeguard is active")
     } SCENE {
         ANIMATION(ANIM_TYPE_GENERAL, B_ANIM_STATS_CHANGE, player);
         MESSAGE("Using Berserk Gene, the Attack of Wobbuffet sharply rose!");
-        MESSAGE("Wobbuffet's party is protected by SAFEGUARD!");
+        MESSAGE("Wobbuffet's party is protected by Safeguard!");
         NOT MESSAGE("Wobbuffet became confused!");
     }
 }

test/battle/hold_effect/clear_amulet.c

@@ -1,5 +1,5 @@
 #include "global.h"
-#include "test_battle.h"
+#include "test/battle.h"
 
 ASSUMPTIONS
 {

test/battle/hold_effect/eject_button.c

@@ -1,5 +1,5 @@
 #include "global.h"
-#include "test_battle.h"
+#include "test/battle.h"
 
 ASSUMPTIONS
 {

test/battle/hold_effect/gems.c

@@ -1,5 +1,5 @@
 #include "global.h"
-#include "test_battle.h"
+#include "test/battle.h"
 
 ASSUMPTIONS
 {