Add Berserk Gene Item (#2893)

Co-authored-by: Eduardo Quezada D'Ottone <[email protected]>
rh-hideout · Apr 25, 2023 · 78c4d07 · 78c4d07
1 parent 9562c7a
commit 78c4d07
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Showing 17 changed files with 340 additions and 9 deletions.
diff --git a/data/battle_scripts_1.s b/data/battle_scripts_1.s
@@ -10395,3 +10395,30 @@ BattleScript_CouldntFullyProtect::
 	printstring STRINGID_COULDNTFULLYPROTECT
 	waitmessage B_WAIT_TIME_LONG
 	return
+
+BattleScript_BerserkGeneRet::
+BattleScript_BerserkGeneRet_Anim:
+	statbuffchange STAT_CHANGE_ALLOW_PTR, BattleScript_BerserkGeneRet_TryConfuse
+	setgraphicalstatchangevalues
+	playanimation BS_SCRIPTING, B_ANIM_HELD_ITEM_EFFECT, sB_ANIM_ARG1
+	setbyte cMULTISTRING_CHOOSER, B_MSG_STAT_ROSE_ITEM
+	call BattleScript_StatUp
+BattleScript_BerserkGeneRet_TryConfuse:
+	jumpifability BS_SCRIPTING, ABILITY_OWN_TEMPO, BattleScript_BerserkGeneRet_OwnTempoPrevents
+	jumpifsafeguard BattleScript_BerserkGeneRet_SafeguardProtected
+	setmoveeffect MOVE_EFFECT_CONFUSION
+	seteffectprimary
+	goto BattleScript_BerserkGeneRet_End
+BattleScript_BerserkGeneRet_SafeguardProtected::
+	pause B_WAIT_TIME_SHORT
+	printstring STRINGID_PKMNUSEDSAFEGUARD
+	waitmessage B_WAIT_TIME_LONG
+	goto BattleScript_BerserkGeneRet_End
+BattleScript_BerserkGeneRet_OwnTempoPrevents:
+	pause B_WAIT_TIME_SHORT
+	call BattleScript_AbilityPopUp
+	printstring STRINGID_PKMNPREVENTSCONFUSIONWITH
+	waitmessage B_WAIT_TIME_LONG
+BattleScript_BerserkGeneRet_End:
+	removeitem BS_SCRIPTING
+	end3
diff --git a/graphics/items/icon_palettes/berserk_gene.pal b/graphics/items/icon_palettes/berserk_gene.pal
@@ -0,0 +1,19 @@
+JASC-PAL
+0100
+16
+212 146 75
+49 49 49
+131 123 131
+98 90 98
+74 65 74
+164 90 222
+230 180 255
+255 230 238
+255 230 106
+255 189 74
+255 171 32
+238 148 0
+255 246 189
+123 82 32
+0 0 0
+0 0 0
diff --git a/graphics/items/icons/berserk_gene.png b/graphics/items/icons/berserk_gene.png
diff --git a/include/battle_scripts.h b/include/battle_scripts.h
@@ -461,6 +461,7 @@ extern const u8 BattleScript_CouldntFullyProtect[];
 extern const u8 BattleScript_MoveEffectStockpileWoreOff[];
 extern const u8 BattleScript_StealthRockActivates[];
 extern const u8 BattleScript_SpikesActivates[];
+extern const u8 BattleScript_BerserkGeneRet[];
 
 // zmoves
 extern const u8 BattleScript_ZMoveActivateDamaging[];

diff --git a/include/battle_util.h b/include/battle_util.h
@@ -234,5 +234,6 @@ u32 GetBattlerFriendshipScore(u8 battlerId);
 u32 CountBattlerStatIncreases(u8 battlerId, bool32 countEvasionAcc);
 bool32 IsMyceliumMightOnField(void);
 bool8 ChangeTypeBasedOnTerrain(u8 battlerId);
+void RemoveConfusionStatus(u8 battlerId);
 
 #endif // GUARD_BATTLE_UTIL_H
diff --git a/include/constants/battle.h b/include/constants/battle.h
@@ -185,6 +185,7 @@
 #define STATUS4_PLASMA_FISTS            (1 << 1)
 #define STATUS4_MUD_SPORT               (1 << 2)    // Only used if B_SPORT_TURNS < GEN_6
 #define STATUS4_WATER_SPORT             (1 << 3)    // Only used if B_SPORT_TURNS < GEN_6
+#define STATUS4_INFINITE_CONFUSION      (1 << 4)    // Used for Berserk Gene
 
 #define HITMARKER_WAKE_UP_CLEAR         (1 << 4) // Cleared when waking up. Never set or checked.
 #define HITMARKER_SKIP_DMG_TRACK        (1 << 5)

diff --git a/include/constants/hold_effects.h b/include/constants/hold_effects.h
@@ -161,6 +161,9 @@
 #define HOLD_EFFECT_LOADED_DICE         180
 #define HOLD_EFFECT_BOOSTER_ENERGY      181 // Not implemented.
 
+// Gen2 hold effect
+#define HOLD_EFFECT_BERSERK_GENE        182
+
 #define HOLD_EFFECT_CHOICE(holdEffect)((holdEffect == HOLD_EFFECT_CHOICE_BAND || holdEffect == HOLD_EFFECT_CHOICE_SCARF || holdEffect == HOLD_EFFECT_CHOICE_SPECS))
 
 // Terrain seed params

diff --git a/include/constants/items.h b/include/constants/items.h
@@ -972,8 +972,9 @@
 #define ITEM_BLACK_AUGURITE 795
 #define ITEM_LINKING_CORD 796
 #define ITEM_PEAT_BLOCK 797
+#define ITEM_BERSERK_GENE 798
 
-#define ITEMS_COUNT 798
+#define ITEMS_COUNT 799
 #define ITEM_FIELD_ARROW ITEMS_COUNT
 
 // A special item id associated with "Cancel"/"Exit" etc. in a list of items or decorations

diff --git a/include/graphics.h b/include/graphics.h
@@ -8878,6 +8878,8 @@ extern const u32 gItemIcon_GriseousCore[];
 extern const u32 gItemIconPalette_GriseousCore[];
 extern const u32 gItemIcon_LustrousGlobe[];
 extern const u32 gItemIconPalette_LustrousGlobe[];
+extern const u32 gItemIcon_BerserkGene[];
+extern const u32 gItemIconPalette_BerserkGene[];
 
 extern const u32 gItemIcon_ReturnToFieldArrow[];
 extern const u32 gItemIconPalette_ReturnToFieldArrow[];

diff --git a/src/battle_main.c b/src/battle_main.c
@@ -3227,7 +3227,7 @@ void SwitchInClearSetData(void)
         gStatuses3[gActiveBattler] &= (STATUS3_LEECHSEED_BATTLER | STATUS3_LEECHSEED | STATUS3_ALWAYS_HITS | STATUS3_PERISH_SONG | STATUS3_ROOTED
                                        | STATUS3_GASTRO_ACID | STATUS3_EMBARGO | STATUS3_TELEKINESIS | STATUS3_MAGNET_RISE | STATUS3_HEAL_BLOCK
                                        | STATUS3_AQUA_RING | STATUS3_POWER_TRICK);
-        gStatuses4[gActiveBattler] &= (STATUS4_MUD_SPORT | STATUS4_WATER_SPORT);
+        gStatuses4[gActiveBattler] &= (STATUS4_MUD_SPORT | STATUS4_WATER_SPORT | STATUS4_INFINITE_CONFUSION);
         for (i = 0; i < gBattlersCount; i++)
         {
             if (GetBattlerSide(gActiveBattler) != GetBattlerSide(i)

diff --git a/src/battle_script_commands.c b/src/battle_script_commands.c
@@ -16583,6 +16583,8 @@ void BS_ItemCureStatus(void) {
 
     if (GetItemStatus1Mask(gLastUsedItem) & STATUS1_SLEEP)
         gBattleMons[gBattlerAttacker].status2 &= ~STATUS2_NIGHTMARE;
+    if (GetItemStatus2Mask(gLastUsedItem) & STATUS2_CONFUSION)
+        gStatuses4[gBattlerAttacker] &= ~STATUS4_INFINITE_CONFUSION;
 
     PREPARE_SPECIES_BUFFER(gBattleTextBuff1, GetMonData(&party[gBattleStruct->itemPartyIndex[gBattlerAttacker]], MON_DATA_SPECIES));
     gBattlescriptCurrInstr = cmd->nextInstr;

diff --git a/src/battle_util.c b/src/battle_util.c
@@ -64,6 +64,7 @@ static void SetRandomMultiHitCounter();
 static u32 GetBattlerItemHoldEffectParam(u8 battlerId, u16 item);
 static u16 GetInverseTypeMultiplier(u16 multiplier);
 static u16 GetSupremeOverlordModifier(u8 battlerId);
+static bool8 CanBeInfinitelyConfused(u8 battlerId);
 
 extern const u8 *const gBattleScriptsForMoveEffects[];
 extern const u8 *const gBattlescriptsForRunningByItem[];
@@ -3526,7 +3527,8 @@ u8 AtkCanceller_UnableToUseMove(void)
         case CANCELLER_CONFUSED: // confusion
             if (gBattleMons[gBattlerAttacker].status2 & STATUS2_CONFUSION)
             {
-                gBattleMons[gBattlerAttacker].status2 -= STATUS2_CONFUSION_TURN(1);
+                if (!(gStatuses4[gBattlerAttacker] & STATUS4_INFINITE_CONFUSION))
+                    gBattleMons[gBattlerAttacker].status2 -= STATUS2_CONFUSION_TURN(1);
                 if (gBattleMons[gBattlerAttacker].status2 & STATUS2_CONFUSION)
                 {
                      // confusion dmg
@@ -5968,7 +5970,7 @@ u8 AbilityBattleEffects(u8 caseID, u8 battler, u16 ability, u8 special, u16 move
                     gBattlescriptCurrInstr = BattleScript_AbilityCuredStatus;
                     break;
                 case 2: // get rid of confusion
-                    gBattleMons[battler].status2 &= ~STATUS2_CONFUSION;
+                    RemoveConfusionStatus(battler);
                     BattleScriptPushCursor();
                     gBattlescriptCurrInstr = BattleScript_AbilityCuredStatus;
                     break;
@@ -6906,7 +6908,7 @@ static u8 ItemEffectMoveEnd(u32 battlerId, u16 holdEffect)
     case HOLD_EFFECT_CURE_CONFUSION:
         if (gBattleMons[battlerId].status2 & STATUS2_CONFUSION && !UnnerveOn(battlerId, gLastUsedItem))
         {
-            gBattleMons[battlerId].status2 &= ~STATUS2_CONFUSION;
+            RemoveConfusionStatus(battlerId);
             BattleScriptPushCursor();
             gBattlescriptCurrInstr = BattleScript_BerryCureConfusionRet;
             effect = ITEM_EFFECT_OTHER;
@@ -6947,7 +6949,7 @@ static u8 ItemEffectMoveEnd(u32 battlerId, u16 holdEffect)
                 StringCopy(gBattleTextBuff1, gStatusConditionString_ConfusionJpn);
 
             gBattleMons[battlerId].status1 = 0;
-            gBattleMons[battlerId].status2 &= ~STATUS2_CONFUSION;
+            RemoveConfusionStatus(battlerId);
             BattleScriptPushCursor();
             gBattleCommunication[MULTISTRING_CHOOSER] = B_MSG_CURED_PROBLEM;
             gBattlescriptCurrInstr = BattleScript_BerryCureChosenStatusRet;
@@ -6985,6 +6987,21 @@ static u8 ItemEffectMoveEnd(u32 battlerId, u16 holdEffect)
             effect = ITEM_EFFECT_OTHER;
         }
         break;
+    case HOLD_EFFECT_BERSERK_GENE:
+        BufferStatChange(battlerId, STAT_ATK, STRINGID_STATROSE);
+        gEffectBattler = battlerId;
+        if (CanBeInfinitelyConfused(gEffectBattler))
+        {
+            gStatuses4[gEffectBattler] |= STATUS4_INFINITE_CONFUSION;
+        }
+        SET_STATCHANGER(STAT_ATK, 2, FALSE);
+
+        gBattleScripting.animArg1 = 14 + STAT_ATK;
+        gBattleScripting.animArg2 = 0;
+
+        BattleScriptPushCursorAndCallback(BattleScript_BerserkGeneRet);
+        effect = ITEM_STATS_CHANGE;
+        break;
     }
 
     return effect;
@@ -7163,7 +7180,7 @@ u8 ItemBattleEffects(u8 caseID, u8 battlerId, bool8 moveTurn)
                     else
                         gBattleCommunication[MULTISTRING_CHOOSER] = B_MSG_NORMALIZED_STATUS;
                     gBattleMons[battlerId].status1 = 0;
-                    gBattleMons[battlerId].status2 &= ~STATUS2_CONFUSION;
+                    RemoveConfusionStatus(battlerId);
                     BattleScriptExecute(BattleScript_BerryCureChosenStatusEnd2);
                     effect = ITEM_STATUS_CHANGE;
                 }
@@ -7224,6 +7241,21 @@ u8 ItemBattleEffects(u8 caseID, u8 battlerId, bool8 moveTurn)
                     }
                 }
                 break;
+            case HOLD_EFFECT_BERSERK_GENE:
+                BufferStatChange(battlerId, STAT_ATK, STRINGID_STATROSE);
+                gEffectBattler = battlerId;
+                if (CanBeInfinitelyConfused(gEffectBattler))
+                {
+                    gStatuses4[gEffectBattler] |= STATUS4_INFINITE_CONFUSION;
+                }
+                SET_STATCHANGER(STAT_ATK, 2, FALSE);
+
+                gBattleScripting.animArg1 = 14 + STAT_ATK;
+                gBattleScripting.animArg2 = 0;
+
+                BattleScriptPushCursorAndCallback(BattleScript_BerserkGeneRet);
+                effect = ITEM_STATS_CHANGE;
+                break;
             }
             if (effect != 0)
             {
@@ -7444,7 +7476,7 @@ u8 ItemBattleEffects(u8 caseID, u8 battlerId, bool8 moveTurn)
             case HOLD_EFFECT_CURE_CONFUSION:
                 if (gBattleMons[battlerId].status2 & STATUS2_CONFUSION && !UnnerveOn(battlerId, gLastUsedItem))
                 {
-                    gBattleMons[battlerId].status2 &= ~STATUS2_CONFUSION;
+                    RemoveConfusionStatus(battlerId);
                     BattleScriptExecute(BattleScript_BerryCureConfusionEnd2);
                     effect = ITEM_EFFECT_OTHER;
                 }
@@ -7489,7 +7521,7 @@ u8 ItemBattleEffects(u8 caseID, u8 battlerId, bool8 moveTurn)
                     else
                         gBattleCommunication[MULTISTRING_CHOOSER] = B_MSG_NORMALIZED_STATUS;
                     gBattleMons[battlerId].status1 = 0;
-                    gBattleMons[battlerId].status2 &= ~STATUS2_CONFUSION;
+                    RemoveConfusionStatus(battlerId);
                     BattleScriptExecute(BattleScript_BerryCureChosenStatusEnd2);
                     effect = ITEM_STATUS_CHANGE;
                 }
@@ -7507,6 +7539,21 @@ u8 ItemBattleEffects(u8 caseID, u8 battlerId, bool8 moveTurn)
                 if (!moveTurn)
                     effect = TrySetMicleBerry(battlerId, gLastUsedItem, TRUE);
                 break;
+            case HOLD_EFFECT_BERSERK_GENE:
+                BufferStatChange(battlerId, STAT_ATK, STRINGID_STATROSE);
+                gEffectBattler = battlerId;
+                if (CanBeInfinitelyConfused(gEffectBattler))
+                {
+                    gStatuses4[gEffectBattler] |= STATUS4_INFINITE_CONFUSION;
+                }
+                SET_STATCHANGER(STAT_ATK, 2, FALSE);
+
+                gBattleScripting.animArg1 = 14 + STAT_ATK;
+                gBattleScripting.animArg2 = 0;
+
+                BattleScriptPushCursorAndCallback(BattleScript_BerserkGeneRet);
+                effect = ITEM_STATS_CHANGE;
+                break;
             }
 
             if (effect != 0)
@@ -10870,3 +10917,21 @@ static void SetRandomMultiHitCounter()
         gMultiHitCounter = 5 - (Random() & 1);
     }
 }
+
+void RemoveConfusionStatus(u8 battlerId)
+{
+    gBattleMons[battlerId].status2 &= ~STATUS2_CONFUSION;
+    gStatuses4[battlerId] &= ~STATUS4_INFINITE_CONFUSION;
+}
+
+static bool8 CanBeInfinitelyConfused(u8 battlerId)
+{
+    if  (gBattleMons[battlerId].ability == ABILITY_OWN_TEMPO
+         || IsBattlerTerrainAffected(battlerId, STATUS_FIELD_MISTY_TERRAIN)
+         || gSideStatuses[GetBattlerSide(battlerId)] & SIDE_STATUS_SAFEGUARD)
+    {
+        return FALSE;
+    }
+    return TRUE;
+}
+
diff --git a/src/data/graphics/items.h b/src/data/graphics/items.h
@@ -1998,3 +1998,6 @@ const u32 gItemIconPalette_GriseousCore[] = INCBIN_U32("graphics/items/icon_pale
 
 const u32 gItemIcon_LustrousGlobe[] = INCBIN_U32("graphics/items/icons/lustrous_globe.4bpp.lz");
 const u32 gItemIconPalette_LustrousGlobe[] = INCBIN_U32("graphics/items/icon_palettes/lustrous_globe.gbapal.lz");
+
+const u32 gItemIcon_BerserkGene[] = INCBIN_U32("graphics/items/icons/berserk_gene.4bpp.lz");
+const u32 gItemIconPalette_BerserkGene[] = INCBIN_U32("graphics/items/icon_palettes/berserk_gene.gbapal.lz");
diff --git a/src/data/item_icon_table.h b/src/data/item_icon_table.h
@@ -843,6 +843,7 @@ const u32 *const gItemIconTable[ITEMS_COUNT + 1][2] =
     [ITEM_BLACK_AUGURITE] = {gItemIcon_BlackAugurite, gItemIconPalette_BlackAugurite},
     [ITEM_LINKING_CORD] = {gItemIcon_LinkingCord, gItemIconPalette_LinkingCord},
     [ITEM_PEAT_BLOCK] = {gItemIcon_PeatBlock, gItemIconPalette_PeatBlock},
+    [ITEM_BERSERK_GENE] = {gItemIcon_BerserkGene, gItemIconPalette_BerserkGene},
     // Return to field arrow
     [ITEMS_COUNT] = {gItemIcon_ReturnToFieldArrow, gItemIconPalette_ReturnToFieldArrow},
 };
diff --git a/src/data/items.h b/src/data/items.h
@@ -10340,4 +10340,17 @@ const struct Item gItems[] =
         .fieldUseFunc = ItemUseOutOfBattle_EvolutionStone,
         .flingPower = 30,
     },
+
+    [ITEM_BERSERK_GENE] =
+    {
+        .name = _("Berserk Gene"),
+        .itemId = ITEM_BERSERK_GENE,
+        .price = 20,
+        .holdEffect = HOLD_EFFECT_BERSERK_GENE,
+        .description = sBerserkGene,
+        .pocket = POCKET_ITEMS,
+        .type = ITEM_USE_BAG_MENU,
+        .fieldUseFunc = ItemUseOutOfBattle_CannotUse,
+        .flingPower = 10,
+    },
 };
diff --git a/src/data/text/item_descriptions.h b/src/data/text/item_descriptions.h
@@ -3907,3 +3907,8 @@ static const u8 sLustrousGlobeDesc[] = _(
     "A large, glowing gem\n"
     "that lets Palkia\n"
     "change form.");
+
+static const u8 sBerserkGene[] = _(
+    "Sharply boosts\n"
+    "Attack, but causes\n"
+    "lasting confusion.");