Moody

data/battle_scripts_1.s

@@ -6394,6 +6394,31 @@ BattleScript_SpeedBoostActivates::
 	printstring STRINGID_PKMNRAISEDSPEED
 	waitmessage 0x40
 	end3
+	
+@ Can't compare directly to a value, have to compare to value at pointer
+sZero:
+.byte 0
+	
+BattleScript_MoodyActivates::
+	call BattleScript_AbilityPopUp
+	jumpifbyteequal sSTATCHANGER, sZero, BattleScript_MoodyLower
+	statbuffchange MOVE_EFFECT_AFFECTS_USER | MOVE_EFFECT_CERTAIN | STAT_BUFF_NOT_PROTECT_AFFECTED, BattleScript_MoodyLower
+	jumpifbyte CMP_GREATER_THAN, cMULTISTRING_CHOOSER, 0x1, BattleScript_MoodyLower
+	setgraphicalstatchangevalues
+	playanimation BS_ATTACKER, B_ANIM_STATS_CHANGE, sB_ANIM_ARG1
+	printfromtable gStatUpStringIds
+	waitmessage 0x40
+BattleScript_MoodyLower:
+	jumpifbyteequal sSAVED_STAT_CHANGER, sZero, BattleScript_MoodyEnd
+	copybyte sSTATCHANGER, sSAVED_STAT_CHANGER
+	statbuffchange MOVE_EFFECT_AFFECTS_USER | MOVE_EFFECT_CERTAIN | STAT_BUFF_NOT_PROTECT_AFFECTED, BattleScript_MoodyEnd
+	jumpifbyte CMP_GREATER_THAN, cMULTISTRING_CHOOSER, 0x1, BattleScript_MoodyEnd
+	setgraphicalstatchangevalues
+	playanimation BS_ATTACKER, B_ANIM_STATS_CHANGE, sB_ANIM_ARG1
+	printfromtable gStatDownStringIds
+	waitmessage 0x40
+BattleScript_MoodyEnd:
+	end3
 
 BattleScript_TraceActivates::
 	pause 0x20
@@ -6859,9 +6884,9 @@ BattleScript_WeakArmorActivatesEnd:
 	return
 
 BattleScript_AttackerAbilityStatRaise::
-	setgraphicalstatchangevalues
 	copybyte gBattlerAbility, gBattlerAttacker
 	call BattleScript_AbilityPopUp
+	setgraphicalstatchangevalues
 	playanimation BS_ATTACKER, B_ANIM_STATS_CHANGE, sB_ANIM_ARG1
 	waitanimation
 	printstring STRINGID_ATTACKERABILITYSTATRAISE

include/battle.h

@@ -578,6 +578,7 @@ struct BattleStruct
 #define SET_STAT_BUFF_VALUE(n)((((n) << 3) & 0xF8))
 
 #define SET_STATCHANGER(statId, stage, goesDown)(gBattleScripting.statChanger = (statId) + ((stage) << 3) + (goesDown << 7))
+#define SET_STATCHANGER2(dst, statId, stage, goesDown)(dst = (statId) + ((stage) << 3) + (goesDown << 7))
 
 struct BattleScripting
 {
@@ -590,7 +591,7 @@ struct BattleScripting
     u8 animArg2;
     u16 tripleKickPower;
     u8 moveendState;
-    u8 unused_15;
+    u8 savedStatChanger; // For further use, if attempting to change stat two times(ex. Moody)
     u8 unused_16;
     u8 battler;
     u8 animTurn;

include/battle_scripts.h

@@ -339,5 +339,6 @@ extern const u8 BattleScript_ReceiverActivates[];
 extern const u8 BattleScript_FriskActivates[];
 extern const u8 BattleScript_FriskMsg[];
 extern const u8 BattleScript_FriskMsgWithPopup[];
+extern const u8 BattleScript_MoodyActivates[];
 
 #endif // GUARD_BATTLE_SCRIPTS_H

include/constants/battle_config.h

@@ -46,6 +46,7 @@
 #define GEN_5 2
 #define GEN_6 3
 #define GEN_7 4
+#define GEN_8 5
 
 // Calculation settings
 #define B_CRIT_CHANCE               GEN_6 // Chances of a critical hit landing. See atk04_critcalc.
@@ -59,6 +60,7 @@
 #define B_FELL_STINGER_STAT_RAISE   GEN_6 // Gen6 Atk+2, Gen7 Atk+3.
 #define B_SOUND_SUBSTITUTE          GEN_6 // Starting from Gen6 sound moves bypass Substitute.
 #define B_TOXIC_NEVER_MISS          GEN_6 // Starting from Gen6, if Toxic is used by a Poison type, it will never miss.
+#define B_MOODY_ACC_EVASION         GEN_6 // In Gen8, Moody CANNOT raise Accuray and Evasion any more
 
 // Ability settings
 #define B_ABILITY_POP_UP            GEN_6 // Starting from gen5, the pokemon abilities are displayed in a pop-up, when they activate in battle.

include/constants/battle_script_commands.h

@@ -11,7 +11,7 @@
 #define sB_ANIM_ARG2 gBattleScripting + 0x11
 #define sTRIPLE_KICK_POWER gBattleScripting + 0x12
 #define sMOVEEND_STATE gBattleScripting + 0x14
-#define sUNUSED_15 gBattleScripting + 0x15
+#define sSAVED_STAT_CHANGER gBattleScripting + 0x15
 #define sUNUSED_16 gBattleScripting + 0x16
 #define sBATTLER gBattleScripting + 0x17
 #define sB_ANIM_TURN gBattleScripting + 0x18

src/battle_util.c

@@ -3131,6 +3131,45 @@ u8 AbilityBattleEffects(u8 caseID, u8 battler, u8 ability, u8 special, u16 moveA
                     effect++;
                 }
                 break;
+            case ABILITY_MOODY:
+                if (gDisableStructs[battler].isFirstTurn != 2)
+                {
+                    u32 validToRaise = 0, validToLower;
+                    u32 statsNum = (B_MOODY_ACC_EVASION != GEN_8) ? NUM_BATTLE_STATS : NUM_STATS;
+
+                    for (i = STAT_ATK; i < statsNum; i++)
+                    {
+                        if (gBattleMons[battler].statStages[i] != 0)
+                            validToLower |= gBitTable[i];
+                        if (gBattleMons[battler].statStages[i] != 12)
+                            validToRaise |= gBitTable[i];
+                    }
+
+                    if (validToLower != 0 || validToRaise != 0) // Can lower one stat, or can raise one stat
+                    {
+                        gBattleScripting.statChanger = gBattleScripting.savedStatChanger = 0; // for raising and lowering stat respectively
+                        if (validToRaise != 0) // Find stat to raise
+                        {
+                            do
+                            {
+                                i = (Random() % statsNum) + STAT_ATK;
+                            } while (!(validToRaise & gBitTable[i]));
+                            SET_STATCHANGER(i, (gBattleMons[battler].statStages[i] < 11) ? 2 : 1, FALSE);
+                            validToLower &= ~(gBitTable[i]); // Can't lower the same stat as raising.
+                        }
+                        if (validToLower != 0) // Find stat to lower
+                        {
+                            do
+                            {
+                                i = (Random() % statsNum) + STAT_ATK;
+                            } while (!(validToLower & gBitTable[i]));
+                            SET_STATCHANGER2(gBattleScripting.savedStatChanger, i, 1, TRUE);
+                        }
+                        BattleScriptPushCursorAndCallback(BattleScript_MoodyActivates);
+                        effect++;
+                    }
+                }
+                break;
             case ABILITY_TRUANT:
                 gDisableStructs[gBattlerAttacker].truantCounter ^= 1;
                 break;