Merge branch 'decompile_battle_9' of https://github.com/DizzyEggg/pokeemerald into DizzyEggg-decompile_battle_9

include/battle.h

@@ -5,6 +5,7 @@
 #include "battle_util.h"
 #include "battle_script_commands.h"
 #include "battle_2.h"
+#include "battle_ai_switch_items.h"
 
 /*
     Banks are a name given to what could be called a 'battlerId' or 'monControllerId'.
@@ -476,7 +477,7 @@ struct BattleHistory
     struct UsedMoves usedMoves[BATTLE_BANKS_COUNT];
     u8 abilities[BATTLE_BANKS_COUNT];
     u8 itemEffects[BATTLE_BANKS_COUNT];
-    u16 TrainerItems[BATTLE_BANKS_COUNT];
+    u16 trainerItems[BATTLE_BANKS_COUNT];
     u8 itemsNo;
 };
 
@@ -632,8 +633,8 @@ struct BattleStruct
     void (*savedCallback)(void);
     u16 usedHeldItems[BATTLE_BANKS_COUNT];
     u8 field_C0[4];
-    u8 field_C4[2];
-    u8 field_C6[2];
+    u8 AI_itemType[2];
+    u8 AI_itemFlags[2];
     u16 choicedMove[BATTLE_BANKS_COUNT];
     u16 changedItems[BATTLE_BANKS_COUNT];
     u8 intimidateBank;

include/battle_ai_switch_items.h

@@ -0,0 +1,17 @@
+#ifndef GUARD_BATTLE_AI_SWITCH_ITEMS_H
+#define GUARD_BATTLE_AI_SWITCH_ITEMS_H
+
+enum
+{
+    AI_ITEM_FULL_RESTORE = 1,
+    AI_ITEM_HEAL_HP,
+    AI_ITEM_CURE_CONDITION,
+    AI_ITEM_X_STAT,
+    AI_ITEM_GUARD_SPECS,
+    AI_ITEM_NOT_RECOGNIZABLE
+};
+
+void AI_TrySwitchOrUseItem(void);
+u8 GetMostSuitableMonToSwitchInto(void);
+
+#endif // GUARD_BATTLE_AI_SWITCH_ITEMS_H

include/battle_controllers.h

@@ -84,5 +84,6 @@ void Emit_x32(u8 bufferId);
 void EmitPrintString(u8 bufferId, u16 stringId);
 void EmitResetActionMoveSelection(u8 bufferId, u8 caseId);
 void EmitBallThrow(u8 bufferId, u8 caseId);
+void EmitCmd_x21(u8 bufferId, u8 arg1, u16 arg2);
 
 #endif // GUARD_BATTLE_CONTROLLERS_H

include/battle_script_commands.h

@@ -43,7 +43,7 @@
 
 void AI_CalcDmg(u8 bankAtk, u8 bankDef);
 u8 TypeCalc(u16 move, u8 bankAtk, u8 bankDef);
-u8 AI_TypeCalc(u16 move, u16 species, u8 ability);
+u8 AI_TypeCalc(u16 move, u16 targetSpecies, u8 targetAbility);
 u8 BankGetTurnOrder(u8 bank);
 void SetMoveEffect(bool8 primary, u8 certain);
 void BattleDestroyCursorAt(u8 cursorPosition);

include/pokemon.h

@@ -642,6 +642,7 @@ void UpdatePartyPokerusTime(u16 days);
 void PartySpreadPokerus(struct Pokemon *party);
 s8 GetMonFlavourRelation(struct Pokemon *mon, u8 a2);
 s8 GetFlavourRelationByPersonality(u32 personality, u8 a2);
+u8 GetItemEffectParamOffset(u16 itemId, u8 effectByte, u8 effectBit);
 
 #include "sprite.h"
 

include/pokemon_item_effects.h

@@ -3,6 +3,60 @@
 
 #include "pokemon.h"
 
+// TODO once pokemon item effects is decompiled
+/*
+struct PokemonItemEffect
+{
+    //field 0
+    u8 xAtk : 4; // x1, x2, x4, x8 = xF
+    u8 field_0_x10 : 1; // x10
+    u8 critRatioUp : 1; // x20
+    u8 field_0_x40 : 1; // x40
+    u8 cureInfatuation : 1; // x80
+
+    /*field 1
+    u8 xSpeed : 4; // x1, x2, x4, x8 = xF
+    u8 xDefense : 4; // x10, x20, x40, xF0
+
+    /*field 2
+    u8 xSpAtk : 4; // x1, x2, x4, x8 = xF
+    u8 xAccuracy : 4; // x10, x20, x40, xF0
+
+    /*field 3
+    u8 cureConfusion : 1; // x1
+    u8 cureParalysis : 1; // x2
+    u8 cureFreeze : 1; // x4
+    u8 cureBurn : 1; // x8
+    u8 curePoison : 1; // x10
+    u8 cureSleep : 1; // x20
+    u8 field_3_x40 : 1; // x40
+    u8 cantLowerStats : 1; // x80
+
+    /*field 4
+    u8 hpEv : 1; // x1
+    u8 attackEv : 1; // x2
+    u8 healHp : 1; // x4
+    u8 field_4_x8 : 1; // x8
+    u8 field_4_x10 : 1; // x10
+    u8 ppUp : 1; // x20
+    u8 levelUp : 1; // x40
+    u8 evolutionStone : 1; // x80
+
+    /*field 5
+    u8 defEv:  1; // x1
+    u8 speedEv : 1; // x2
+    u8 spDefEv : 1; // x4
+    u8 spAtkEv : 1; // x8
+    u8 ppMax : 1; // x10
+    u8 field_5_x20 : 1; // x20
+    u8 field_5_x40 : 1; // x40
+    u8 field_5_x80 : 1; // x80
+
+    /*field 6
+    u8 value;
+};
+*/
+
 bool8 ExecuteTableBasedItemEffect(struct Pokemon *mon, u16 itemId, u8 partyId, u8 monMoveIndex, u8 a5);
 
 #endif // GUARD_POKEMON_ITEM_EFFECTS