battle setup file is decompiled

6 files changed, 1229 insertions, 82 deletions

diff --git a/src/battle_message.c b/src/battle_message.c
index 77f7cc722..5faf60290 100644
--- a/src/battle_message.c
+++ b/src/battle_message.c
@@ -12,6 +12,7 @@
 #include "window.h"
 #include "palette.h"
 #include "battle_controllers.h"
+#include "battle_setup.h"
 
 extern u16 gLastUsedItem;
 extern u8 gLastUsedAbility;
@@ -54,8 +55,6 @@ extern void sub_81D5554(u8 *txtPtr, u16 trainerId); // pokenav
 extern void GetEreaderTrainerName(u8 *txtPtr);
 extern void sub_81A36D0(u8 arg0, u16 trainerId); // battle_frontier_2
 extern void sub_81D572C(u8 arg0, u16 trainerId); // pokenav
-extern const u8* GetTrainer1LoseText(void); // battle_setup
-extern const u8* GetTrainer2LoseText(void); // battle_setup
 extern void GetFrontierTrainerName(u8 *dst, u16 trainerId);
 extern s32 GetStringCenterAlignXOffsetWithLetterSpacing(u8 fontId, const u8 *str, s32 totalWidth, s16 letterSpacing);
 extern u8 GetTextSpeedInRecordedBattle(void);
@@ -2068,7 +2067,7 @@ u32 BattleStringExpandPlaceholders(const u8* src, u8* dst)
                 }
                 else
                 {
-                    toCpy = GetTrainer1LoseText();
+                    toCpy = GetTrainerALoseText();
                 }
                 break;
             case B_TXT_TRAINER1_WIN_TEXT: // trainerA win text
@@ -2165,7 +2164,7 @@ u32 BattleStringExpandPlaceholders(const u8* src, u8* dst)
                 }
                 else
                 {
-                    toCpy = GetTrainer2LoseText();
+                    toCpy = GetTrainerBLoseText();
                 }
                 break;
             case B_TXT_TRAINER2_WIN_TEXT:
diff --git a/src/battle_setup.c b/src/battle_setup.c
index 3121e9262..bcb883ca1 100644
--- a/src/battle_setup.c
+++ b/src/battle_setup.c
@@ -23,9 +23,36 @@
 #include "items.h"
 #include "palette.h"
 #include "window.h"
+#include "field_map_obj.h"
+#include "event_scripts.h"
+#include "trainer_see.h"
+#include "field_message_box.h"
+#include "trainer.h"
+#include "sound.h"
+#include "strings.h"
+#include "secret_base.h"
+#include "string_util.h"
+
+enum
+{
+    TRAINER_PARAM_LOAD_VAL_8BIT,
+    TRAINER_PARAM_LOAD_VAL_16BIT,
+    TRAINER_PARAM_LOAD_VAL_32BIT,
+    TRAINER_PARAM_CLEAR_VAL_8BIT,
+    TRAINER_PARAM_CLEAR_VAL_16BIT,
+    TRAINER_PARAM_CLEAR_VAL_32BIT,
+    TRAINER_PARAM_LOAD_SCRIPT_RET_ADDR,
+};
+
+struct TrainerBattleParameter
+{
+    void *varPtr;
+    u8 ptrType;
+};
 
 extern bool8 InBattlePyramid(void);
 extern bool8 InBattlePike(void);
+extern bool32 InTrainerHill(void);
 extern bool32 FieldPoisonEffectIsRunning(void);
 extern void overworld_free_bg_tilemaps(void);
 extern void prev_quest_postbuffer_cursor_backup_reset(void);
@@ -43,43 +70,66 @@ extern void PlayBattleBGM(void);
 extern void sub_81DA57C(void);
 extern u8 GetSav1Weather(void);
 extern u8 Overworld_GetFlashLevel(void);
+extern u16 sub_81A9AA8(u8 localId);
+extern u16 sub_81D6180(u8 localId);
+extern bool8 GetBattlePyramidTrainerFlag(u8 mapObjId);
+extern bool8 GetTrainerHillTrainerFlag(u8 mapObjId);
+extern bool8 sub_81D5C18(void);
+extern void sub_816306C(u8 a0);
+extern void sub_8163048(u8 a0);
+extern void sub_81A9B04(void);
+extern void sub_81D639C(void);
+extern void sub_81D6384(void);
+extern void sub_81D61E8(void);
+extern void sub_80982B8(void);
+extern void sub_81A9EDC(u16 a0);
+extern void sub_81D572C(u8 a0, u16 arg1);
 
 extern u32 gBattleTypeFlags;
 extern u8 gBattleOutcome;
 extern void (*gFieldCallback)(void);
 extern u8 gApproachingTrainerId;
+extern u8 gNoOfApproachingTrainers;
+extern u16 gUnknown_03006080;
 
 // this file's functions
-void DoBattlePikeWildBattle(void);
-void DoSafariBattle(void);
-void DoStandardWildBattle(void);
-void CB2_EndWildBattle(void);
-void CB2_EndScriptedWildBattle(void);
-u8 GetWildBattleTransition(void);
-u8 GetTrainerBattleTransition(void);
-u8 sub_80B100C(s32 arg0);
-void sub_80B1218(void);
-void sub_80B1234(void);
-void CB2_GiveStarter(void);
-void CB2_StartFirstBattle(void);
-void CB2_EndFirstBattle(void);
-bool32 IsPlayerDefeated(u32 battleOutcome);
+static void DoBattlePikeWildBattle(void);
+static void DoSafariBattle(void);
+static void DoStandardWildBattle(void);
+static void CB2_EndWildBattle(void);
+static void CB2_EndScriptedWildBattle(void);
+static u8 GetWildBattleTransition(void);
+static u8 GetTrainerBattleTransition(void);
+static void sub_80B1218(void);
+static void sub_80B1234(void);
+static void CB2_GiveStarter(void);
+static void CB2_StartFirstBattle(void);
+static void CB2_EndFirstBattle(void);
+static void CB2_EndTrainerBattle(void);
+static bool32 IsPlayerDefeated(u32 battleOutcome);
+static u16 GetRematchTrainerId(u16 trainerId);
+static void RegisterTrainerInMatchCall(void);
+static void HandleRematchVarsOnBattleEnd(void);
+static const u8 *GetIntroSpeechOfApproachingTrainer(void);
+static const u8 *GetTrainerCantBattleSpeech(void);
 
 // ewram data
-EWRAM_DATA u16 sTrainerBattleMode = 0;
+EWRAM_DATA static u16 sTrainerBattleMode = 0;
 EWRAM_DATA u16 gTrainerBattleOpponent_A = 0;
 EWRAM_DATA u16 gTrainerBattleOpponent_B = 0;
 EWRAM_DATA u16 gPartnerTrainerId = 0;
-EWRAM_DATA u16 sTrainerMapObjectLocalId = 0;
-EWRAM_DATA u8 *sTrainerAIntroSpeech = NULL;
-EWRAM_DATA u8 *sTrainerBIntroSpeech = NULL;
-EWRAM_DATA u8 *sTrainerADefeatSpeech = NULL;
-EWRAM_DATA u8 *sTrainerBDefeatSpeech = NULL;
-EWRAM_DATA u8 *sTrainerVictorySpeech = NULL;
-EWRAM_DATA u8 *sTrainerCannotBattleSpeech = NULL;
-EWRAM_DATA u8 *gUnknown_02038BEC = NULL;
-EWRAM_DATA u8 *gUnknown_02038BF0 = NULL;
-EWRAM_DATA u8 *gUnknown_02038BF4 = NULL;
+EWRAM_DATA static u16 sTrainerMapObjectLocalId = 0;
+EWRAM_DATA static u8 *sTrainerAIntroSpeech = NULL;
+EWRAM_DATA static u8 *sTrainerBIntroSpeech = NULL;
+EWRAM_DATA static u8 *sTrainerADefeatSpeech = NULL;
+EWRAM_DATA static u8 *sTrainerBDefeatSpeech = NULL;
+EWRAM_DATA static u8 *sTrainerVictorySpeech = NULL;
+EWRAM_DATA static u8 *sTrainerCannotBattleSpeech = NULL;
+EWRAM_DATA static u8 *sTrainerBattleEndScript = NULL;
+EWRAM_DATA static u8 *sTrainerABattleScriptRetAddr = NULL;
+EWRAM_DATA static u8 *sTrainerBBattleScriptRetAddr = NULL;
+EWRAM_DATA static bool8 sShouldCheckTrainerBScript = FALSE;
+EWRAM_DATA static u8 sNoOfPossibleTrainerRetScripts = 0;
 
 // const rom data
 
@@ -103,23 +153,204 @@ static const u8 sBattleTransitionTable_Trainer[][2] =
 
 static const u8 sUnknown_0854FE98[] =
 {
-    0x1d, 0x1e, 0x1f, 0x20, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, 0x28, 0x29
+    B_TRANSITION_29, B_TRANSITION_30, B_TRANSITION_31, B_TRANSITION_32,
+    B_TRANSITION_34, B_TRANSITION_35, B_TRANSITION_36, B_TRANSITION_37,
+    B_TRANSITION_38, B_TRANSITION_39, B_TRANSITION_40, B_TRANSITION_41
 };
 
 static const u8 sUnknown_0854FEA4[] =
 {
-    0x1f, 0x20, 0x21
+    B_TRANSITION_31, B_TRANSITION_32, B_TRANSITION_33
 };
 
 static const u8 sUnknown_0854FEA7[] =
 {
-    0x1d, 0x1f, 0x20, 0x21
+    B_TRANSITION_29, B_TRANSITION_31, B_TRANSITION_32, B_TRANSITION_33
+};
+
+static const struct TrainerBattleParameter sOrdinaryBattleParams[] =
+{
+    {&sTrainerBattleMode,           TRAINER_PARAM_LOAD_VAL_8BIT},
+    {&gTrainerBattleOpponent_A,     TRAINER_PARAM_LOAD_VAL_16BIT},
+    {&sTrainerMapObjectLocalId,     TRAINER_PARAM_LOAD_VAL_16BIT},
+    {&sTrainerAIntroSpeech,         TRAINER_PARAM_LOAD_VAL_32BIT},
+    {&sTrainerADefeatSpeech,        TRAINER_PARAM_LOAD_VAL_32BIT},
+    {&sTrainerVictorySpeech,        TRAINER_PARAM_CLEAR_VAL_32BIT},
+    {&sTrainerCannotBattleSpeech,   TRAINER_PARAM_CLEAR_VAL_32BIT},
+    {&sTrainerABattleScriptRetAddr, TRAINER_PARAM_CLEAR_VAL_32BIT},
+    {&sTrainerBattleEndScript,      TRAINER_PARAM_LOAD_SCRIPT_RET_ADDR},
+};
+
+static const struct TrainerBattleParameter sContinueScriptBattleParams[] =
+{
+    {&sTrainerBattleMode,           TRAINER_PARAM_LOAD_VAL_8BIT},
+    {&gTrainerBattleOpponent_A,     TRAINER_PARAM_LOAD_VAL_16BIT},
+    {&sTrainerMapObjectLocalId,     TRAINER_PARAM_LOAD_VAL_16BIT},
+    {&sTrainerAIntroSpeech,         TRAINER_PARAM_LOAD_VAL_32BIT},
+    {&sTrainerADefeatSpeech,        TRAINER_PARAM_LOAD_VAL_32BIT},
+    {&sTrainerVictorySpeech,        TRAINER_PARAM_CLEAR_VAL_32BIT},
+    {&sTrainerCannotBattleSpeech,   TRAINER_PARAM_CLEAR_VAL_32BIT},
+    {&sTrainerABattleScriptRetAddr, TRAINER_PARAM_LOAD_VAL_32BIT},
+    {&sTrainerBattleEndScript,      TRAINER_PARAM_LOAD_SCRIPT_RET_ADDR},
+};
+
+static const struct TrainerBattleParameter sDoubleBattleParams[] =
+{
+    {&sTrainerBattleMode,           TRAINER_PARAM_LOAD_VAL_8BIT},
+    {&gTrainerBattleOpponent_A,     TRAINER_PARAM_LOAD_VAL_16BIT},
+    {&sTrainerMapObjectLocalId,     TRAINER_PARAM_LOAD_VAL_16BIT},
+    {&sTrainerAIntroSpeech,         TRAINER_PARAM_LOAD_VAL_32BIT},
+    {&sTrainerADefeatSpeech,        TRAINER_PARAM_LOAD_VAL_32BIT},
+    {&sTrainerVictorySpeech,        TRAINER_PARAM_CLEAR_VAL_32BIT},
+    {&sTrainerCannotBattleSpeech,   TRAINER_PARAM_LOAD_VAL_32BIT},
+    {&sTrainerABattleScriptRetAddr, TRAINER_PARAM_CLEAR_VAL_32BIT},
+    {&sTrainerBattleEndScript,      TRAINER_PARAM_LOAD_SCRIPT_RET_ADDR},
+};
+
+static const struct TrainerBattleParameter sOrdinaryNoIntroBattleParams[] =
+{
+    {&sTrainerBattleMode,           TRAINER_PARAM_LOAD_VAL_8BIT},
+    {&gTrainerBattleOpponent_A,     TRAINER_PARAM_LOAD_VAL_16BIT},
+    {&sTrainerMapObjectLocalId,     TRAINER_PARAM_LOAD_VAL_16BIT},
+    {&sTrainerAIntroSpeech,         TRAINER_PARAM_CLEAR_VAL_32BIT},
+    {&sTrainerADefeatSpeech,        TRAINER_PARAM_LOAD_VAL_32BIT},
+    {&sTrainerVictorySpeech,        TRAINER_PARAM_CLEAR_VAL_32BIT},
+    {&sTrainerCannotBattleSpeech,   TRAINER_PARAM_CLEAR_VAL_32BIT},
+    {&sTrainerABattleScriptRetAddr, TRAINER_PARAM_CLEAR_VAL_32BIT},
+    {&sTrainerBattleEndScript,      TRAINER_PARAM_LOAD_SCRIPT_RET_ADDR},
+};
+
+static const struct TrainerBattleParameter sContinueScriptDoubleBattleParams[] =
+{
+    {&sTrainerBattleMode,           TRAINER_PARAM_LOAD_VAL_8BIT},
+    {&gTrainerBattleOpponent_A,     TRAINER_PARAM_LOAD_VAL_16BIT},
+    {&sTrainerMapObjectLocalId,     TRAINER_PARAM_LOAD_VAL_16BIT},
+    {&sTrainerAIntroSpeech,         TRAINER_PARAM_LOAD_VAL_32BIT},
+    {&sTrainerADefeatSpeech,        TRAINER_PARAM_LOAD_VAL_32BIT},
+    {&sTrainerVictorySpeech,        TRAINER_PARAM_CLEAR_VAL_32BIT},
+    {&sTrainerCannotBattleSpeech,   TRAINER_PARAM_LOAD_VAL_32BIT},
+    {&sTrainerABattleScriptRetAddr, TRAINER_PARAM_LOAD_VAL_32BIT},
+    {&sTrainerBattleEndScript,      TRAINER_PARAM_LOAD_SCRIPT_RET_ADDR},
+};
+
+static const struct TrainerBattleParameter sTrainerBOrdinaryBattleParams[] =
+{
+    {&sTrainerBattleMode,           TRAINER_PARAM_LOAD_VAL_8BIT},
+    {&gTrainerBattleOpponent_B,     TRAINER_PARAM_LOAD_VAL_16BIT},
+    {&sTrainerMapObjectLocalId,     TRAINER_PARAM_LOAD_VAL_16BIT},
+    {&sTrainerBIntroSpeech,         TRAINER_PARAM_LOAD_VAL_32BIT},
+    {&sTrainerBDefeatSpeech,        TRAINER_PARAM_LOAD_VAL_32BIT},
+    {&sTrainerVictorySpeech,        TRAINER_PARAM_CLEAR_VAL_32BIT},
+    {&sTrainerCannotBattleSpeech,   TRAINER_PARAM_CLEAR_VAL_32BIT},
+    {&sTrainerBBattleScriptRetAddr, TRAINER_PARAM_CLEAR_VAL_32BIT},
+    {&sTrainerBattleEndScript,      TRAINER_PARAM_LOAD_SCRIPT_RET_ADDR},
+};
+
+static const struct TrainerBattleParameter sTrainerBContinueScriptBattleParams[] =
+{
+    {&sTrainerBattleMode,           TRAINER_PARAM_LOAD_VAL_8BIT},
+    {&gTrainerBattleOpponent_B,     TRAINER_PARAM_LOAD_VAL_16BIT},
+    {&sTrainerMapObjectLocalId,     TRAINER_PARAM_LOAD_VAL_16BIT},
+    {&sTrainerBIntroSpeech,         TRAINER_PARAM_LOAD_VAL_32BIT},
+    {&sTrainerBDefeatSpeech,        TRAINER_PARAM_LOAD_VAL_32BIT},
+    {&sTrainerVictorySpeech,        TRAINER_PARAM_CLEAR_VAL_32BIT},
+    {&sTrainerCannotBattleSpeech,   TRAINER_PARAM_CLEAR_VAL_32BIT},
+    {&sTrainerBBattleScriptRetAddr, TRAINER_PARAM_LOAD_VAL_32BIT},
+    {&sTrainerBattleEndScript,      TRAINER_PARAM_LOAD_SCRIPT_RET_ADDR},
+};
+
+const struct RematchTrainer gRematchTable[REMATCH_TABLE_ENTRIES] =
+{
+    {{0x0025, 0x0028, 0x0029, 0x002a, 0x002b}, 0x0000, 0x0021},
+    {{0x02e1, 0x032c, 0x032d, 0x032e, 0x032f}, 0x0000, 0x0014},
+    {{0x002c, 0x002f, 0x0030, 0x0031, 0x0032}, 0x0000, 0x001a},
+    {{0x0039, 0x003c, 0x003d, 0x003e, 0x003f}, 0x0000, 0x0018},
+    {{0x0040, 0x0043, 0x0044, 0x0045, 0x0046}, 0x0000, 0x0018},
+    {{0x02af, 0x02b0, 0x02b1, 0x02b2, 0x02b3}, 0x0000, 0x0027},
+    {{0x02ff, 0x033c, 0x033d, 0x033e, 0x033f}, 0x0000, 0x0024},
+    {{0x005e, 0x0065, 0x0066, 0x0067, 0x0068}, 0x0000, 0x001a},
+    {{0x004e, 0x0054, 0x0055, 0x0056, 0x0057}, 0x0000, 0x001a},
+    {{0x006c, 0x006e, 0x006f, 0x0070, 0x0071}, 0x0018, 0x0014},
+    {{0x0072, 0x0078, 0x0079, 0x007a, 0x007b}, 0x0000, 0x0013},
+    {{0x0090, 0x034c, 0x034d, 0x034e, 0x034f}, 0x0018, 0x0038},
+    {{0x007f, 0x0084, 0x0085, 0x0086, 0x0087}, 0x0000, 0x0024},
+    {{0x0088, 0x008b, 0x008c, 0x008d, 0x008e}, 0x0000, 0x0013},
+    {{0x008f, 0x0093, 0x0094, 0x0095, 0x0096}, 0x0000, 0x001d},
+    {{0x009b, 0x00af, 0x00b0, 0x00b1, 0x00b2}, 0x0000, 0x0016},
+    {{0x00b7, 0x00b8, 0x00b9, 0x00ba, 0x00bb}, 0x0000, 0x001e},
+    {{0x02a0, 0x0338, 0x0339, 0x033a, 0x033b}, 0x0000, 0x002a},
+    {{0x00c3, 0x0340, 0x0341, 0x0342, 0x0343}, 0x0000, 0x0026},
+    {{0x00c4, 0x00c5, 0x00c6, 0x00c7, 0x00c8}, 0x0000, 0x0021},
+    {{0x00ce, 0x00cf, 0x00d0, 0x00d1, 0x00d2}, 0x0000, 0x001d},
+    {{0x00d8, 0x00db, 0x00dc, 0x00dd, 0x00de}, 0x0018, 0x000d},
+    {{0x02a9, 0x02aa, 0x02ab, 0x02ac, 0x02ad}, 0x0018, 0x0001},
+    {{0x00e2, 0x00e4, 0x00e5, 0x00e6, 0x00e7}, 0x0000, 0x0023},
+    {{0x00ee, 0x00ef, 0x00f0, 0x00f1, 0x00f2}, 0x0000, 0x0026},
+    {{0x00f9, 0x00fa, 0x00fb, 0x00fc, 0x00fd}, 0x0000, 0x0026},
+    {{0x00fe, 0x0101, 0x0102, 0x0103, 0x0104}, 0x0000, 0x0024},
+    {{0x0118, 0x011a, 0x011b, 0x011c, 0x011d}, 0x0000, 0x001f},
+    {{0x0111, 0x0114, 0x0115, 0x0116, 0x0117}, 0x0000, 0x001f},
+    {{0x011f, 0x0120, 0x0121, 0x0122, 0x0123}, 0x0000, 0x0020},
+    {{0x012e, 0x012f, 0x0130, 0x0131, 0x0132}, 0x0000, 0x0019},
+    {{0x0125, 0x0127, 0x0128, 0x0129, 0x012a}, 0x0000, 0x0012},
+    {{0x0133, 0x0134, 0x0135, 0x0136, 0x0137}, 0x0000, 0x001e},
+    {{0x0139, 0x013a, 0x013b, 0x013c, 0x013d}, 0x0018, 0x000c},
+    {{0x013e, 0x0148, 0x0149, 0x014a, 0x014b}, 0x0000, 0x0011},
+    {{0x0153, 0x015a, 0x015b, 0x015c, 0x015d}, 0x0000, 0x0015},
+    {{0x0178, 0x017b, 0x017c, 0x017d, 0x017e}, 0x0000, 0x002b},
+    {{0x0171, 0x0172, 0x0173, 0x0174, 0x0175}, 0x0000, 0x0020},
+    {{0x0166, 0x0168, 0x0169, 0x016a, 0x016b}, 0x0000, 0x0019},
+    {{0x016c, 0x016d, 0x016e, 0x016f, 0x0170}, 0x0000, 0x0020},
+    {{0x0182, 0x0184, 0x0185, 0x0186, 0x0187}, 0x0000, 0x002b},
+    {{0x0161, 0x0162, 0x0163, 0x0164, 0x0165}, 0x0000, 0x0019},
+    {{0x0179, 0x0334, 0x0335, 0x0336, 0x0337}, 0x0000, 0x0029},
+    {{0x0188, 0x0189, 0x018a, 0x018b, 0x018c}, 0x0018, 0x0001},
+    {{0x0196, 0x0199, 0x019a, 0x019b, 0x019c}, 0x0000, 0x0023},
+    {{0x01a3, 0x01a5, 0x01a6, 0x01a7, 0x01a8}, 0x0000, 0x001c},
+    {{0x01ab, 0x01ae, 0x01af, 0x01b0, 0x01b1}, 0x0000, 0x001e},
+    {{0x01b2, 0x01b5, 0x01b6, 0x01b7, 0x01b8}, 0x0000, 0x001c},
+    {{0x01c1, 0x01d1, 0x01d2, 0x01d3, 0x01d4}, 0x0000, 0x0027},
+    {{0x01da, 0x01dd, 0x01de, 0x01df, 0x01e0}, 0x0018, 0x000d},
+    {{0x01e1, 0x01e2, 0x01e7, 0x01e8, 0x01e9}, 0x0000, 0x0012},
+    {{0x01ec, 0x01f1, 0x01f2, 0x01f3, 0x01f4}, 0x0000, 0x0028},
+    {{0x02e4, 0x0330, 0x0331, 0x0332, 0x0333}, 0x0000, 0x0017},
+    {{0x0200, 0x0203, 0x0204, 0x0205, 0x0206}, 0x0000, 0x0019},
+    {{0x0221, 0x0224, 0x0225, 0x0226, 0x0227}, 0x0000, 0x0020},
+    {{0x021a, 0x021d, 0x021e, 0x021f, 0x0220}, 0x0000, 0x0020},
+    {{0x0009, 0x0348, 0x0349, 0x034a, 0x034b}, 0x0018, 0x0011},
+    {{0x022f, 0x0232, 0x0233, 0x0234, 0x0235}, 0x0000, 0x0022},
+    {{0x0228, 0x022b, 0x022c, 0x022d, 0x022e}, 0x0000, 0x0022},
+    {{0x025c, 0x025f, 0x0260, 0x0261, 0x0262}, 0x0000, 0x0013},
+    {{0x026d, 0x026e, 0x026f, 0x0270, 0x0271}, 0x0018, 0x000b},
+    {{0x0273, 0x027c, 0x027d, 0x027e, 0x027f}, 0x0000, 0x001b},
+    {{0x0001, 0x0344, 0x0345, 0x0346, 0x0347}, 0x0018, 0x000c},
+    {{0x0282, 0x0283, 0x0284, 0x0285, 0x0286}, 0x0018, 0x003e},
+    {{0x0291, 0x0292, 0x0293, 0x0294, 0x0294}, 0x0018, 0x002b},
+    {{0x0109, 0x0302, 0x0303, 0x0304, 0x0305}, 0x0000, 0x0003},
+    {{0x010a, 0x0306, 0x0307, 0x0308, 0x0309}, 0x0000, 0x000b},
+    {{0x010b, 0x030a, 0x030b, 0x030c, 0x030d}, 0x0000, 0x0002},
+    {{0x010c, 0x030e, 0x030f, 0x0310, 0x0311}, 0x0000, 0x000c},
+    {{0x010d, 0x0312, 0x0313, 0x0314, 0x0315}, 0x0000, 0x0000},
+    {{0x010e, 0x0316, 0x0317, 0x0318, 0x0319}, 0x0000, 0x0004},
+    {{0x010f, 0x031a, 0x031b, 0x031c, 0x031d}, 0x0000, 0x0006},
+    {{0x0110, 0x031e, 0x031f, 0x0320, 0x0321}, 0x0000, 0x0007},
+    {{0x0105, 0x0105, 0x0105, 0x0105, 0x0105}, 0x0000, 0x0008},
+    {{0x0106, 0x0106, 0x0106, 0x0106, 0x0106}, 0x0000, 0x0008},
+    {{0x0107, 0x0107, 0x0107, 0x0107, 0x0107}, 0x0000, 0x0008},
+    {{0x0108, 0x0108, 0x0108, 0x0108, 0x0108}, 0x0000, 0x0008},
+    {{0x014f, 0x014f, 0x014f, 0x014f, 0x014f}, 0x0000, 0x0008},
+};
+
+static const u16 sBadgeFlags[8] =
+{
+    FLAG_BADGE01_GET, FLAG_BADGE02_GET, FLAG_BADGE03_GET, FLAG_BADGE04_GET,
+    FLAG_BADGE05_GET, FLAG_BADGE06_GET, FLAG_BADGE07_GET, FLAG_BADGE08_GET,
 };
 
 #define tState data[0]
 #define tTransition data[1]
 
-void Task_BattleStart(u8 taskId)
+static void Task_BattleStart(u8 taskId)
 {
     s16 *data = gTasks[taskId].data;
 
@@ -146,7 +377,7 @@ void Task_BattleStart(u8 taskId)
     }
 }
 
-void CreateBattleStartTask(u8 transition, u16 song)
+static void CreateBattleStartTask(u8 transition, u16 song)
 {
     u8 taskId = CreateTask(Task_BattleStart, 1);
 
@@ -170,7 +401,7 @@ void BattleSetup_StartBattlePikeWildBattle(void)
     DoBattlePikeWildBattle();
 }
 
-void DoStandardWildBattle(void)
+static void DoStandardWildBattle(void)
 {
     ScriptContext2_Enable();
     FreezeMapObjects();
@@ -203,7 +434,7 @@ void BattleSetup_StartRoamerBattle(void)
     sub_80B1218();
 }
 
-void DoSafariBattle(void)
+static void DoSafariBattle(void)
 {
     ScriptContext2_Enable();
     FreezeMapObjects();
@@ -213,7 +444,7 @@ void DoSafariBattle(void)
     CreateBattleStartTask(GetWildBattleTransition(), 0);
 }
 
-void DoBattlePikeWildBattle(void)
+static void DoBattlePikeWildBattle(void)
 {
     ScriptContext2_Enable();
     FreezeMapObjects();
@@ -227,7 +458,7 @@ void DoBattlePikeWildBattle(void)
     sub_80B1218();
 }
 
-void DoTrainerBattle(void)
+static void DoTrainerBattle(void)
 {
     CreateBattleStartTask(GetTrainerBattleTransition(), 0);
     IncrementGameStat(GAME_STAT_TOTAL_BATTLES);
@@ -235,7 +466,7 @@ void DoTrainerBattle(void)
     sub_80B1234();
 }
 
-void sub_80B0828(void)
+static void sub_80B0828(void)
 {
     if (InBattlePyramid())
         CreateBattleStartTask(sub_80B100C(10), 0);
@@ -370,7 +601,7 @@ void StartRegiBattle(void)
     sub_80B1218();
 }
 
-void CB2_EndWildBattle(void)
+static void CB2_EndWildBattle(void)
 {
     CpuFill16(0, (void*)(BG_PLTT), BG_PLTT_SIZE);
     ResetOamRange(0, 128);
@@ -386,7 +617,7 @@ void CB2_EndWildBattle(void)
     }
 }
 
-void CB2_EndScriptedWildBattle(void)
+static void CB2_EndScriptedWildBattle(void)
 {
     CpuFill16(0, (void*)(BG_PLTT), BG_PLTT_SIZE);
     ResetOamRange(0, 128);
@@ -462,7 +693,7 @@ u8 BattleSetup_GetTerrainId(void)
     return BATTLE_TERRAIN_PLAIN;
 }
 
-u8 GetBattleTransitionTypeByMap(void)
+static u8 GetBattleTransitionTypeByMap(void)
 {
     u16 tileBehavior;
     s16 x, y;
@@ -486,7 +717,7 @@ u8 GetBattleTransitionTypeByMap(void)
     return B_TRANSITION_BIG_POKEBALL;
 }
 
-u16 GetSumOfPlayerPartyLevel(u8 numMons)
+static u16 GetSumOfPlayerPartyLevel(u8 numMons)
 {
     u8 sum = 0;
     int i;
@@ -505,7 +736,7 @@ u16 GetSumOfPlayerPartyLevel(u8 numMons)
     return sum;
 }
 
-u8 GetSumOfEnemyPartyLevel(u16 opponentId, u8 numMons)
+static u8 GetSumOfEnemyPartyLevel(u16 opponentId, u8 numMons)
 {
     u8 i;
     u8 sum;
@@ -555,7 +786,7 @@ u8 GetSumOfEnemyPartyLevel(u16 opponentId, u8 numMons)
     return sum;
 }
 
-u8 GetWildBattleTransition(void)
+static u8 GetWildBattleTransition(void)
 {
     u8 transitionType = GetBattleTransitionTypeByMap();
     u8 enemyLevel = GetMonData(&gEnemyParty[0], MON_DATA_LEVEL);
@@ -577,7 +808,7 @@ u8 GetWildBattleTransition(void)
     }
 }
 
-u8 GetTrainerBattleTransition(void)
+static u8 GetTrainerBattleTransition(void)
 {
     u8 minPartyCount;
     u8 transitionType;
@@ -585,7 +816,7 @@ u8 GetTrainerBattleTransition(void)
     u8 playerLevel;
 
     if (gTrainerBattleOpponent_A == SECRET_BASE_OPPONENT)
-        return B_TRANSITION_STEVEN;
+        return B_TRANSITION_CHAMPION;
 
     if (gTrainers[gTrainerBattleOpponent_A].trainerClass == CLASS_ELITE_FOUR)
     {
@@ -597,11 +828,11 @@ u8 GetTrainerBattleTransition(void)
             return B_TRANSITION_GLACIA;
         if (gTrainerBattleOpponent_A == TRAINER_ID_DRAKE)
             return B_TRANSITION_DRAKE;
-        return B_TRANSITION_STEVEN;
+        return B_TRANSITION_CHAMPION;
     }
 
     if (gTrainers[gTrainerBattleOpponent_A].trainerClass == CLASS_CHAMPION)
-        return B_TRANSITION_STEVEN;
+        return B_TRANSITION_CHAMPION;
 
     if (gTrainers[gTrainerBattleOpponent_A].trainerClass == CLASS_TEAM_MAGMA
         || gTrainers[gTrainerBattleOpponent_A].trainerClass == CLASS_MAGMA_LEADER
@@ -681,7 +912,7 @@ void ChooseStarter(void)
     gMain.savedCallback = CB2_GiveStarter;
 }
 
-void CB2_GiveStarter(void)
+static void CB2_GiveStarter(void)
 {
     u16 starterMon;
 
@@ -694,7 +925,7 @@ void CB2_GiveStarter(void)
     BattleTransition_Start(B_TRANSITION_BLUR);
 }
 
-void CB2_StartFirstBattle(void)
+static void CB2_StartFirstBattle(void)
 {
     UpdatePaletteFade();
     RunTasks();
@@ -714,51 +945,51 @@ void CB2_StartFirstBattle(void)
     }
 }
 
-void CB2_EndFirstBattle(void)
+static void CB2_EndFirstBattle(void)
 {
     Overworld_ClearSavedMusic();
     SetMainCallback2(c2_exit_to_overworld_1_continue_scripts_restart_music);
 }
 
-void sub_80B1218(void)
+static void sub_80B1218(void)
 {
     if (GetGameStat(GAME_STAT_WILD_BATTLES) % 60 == 0)
         sub_81DA57C();
 }
 
-void sub_80B1234(void)
+static void sub_80B1234(void)
 {
     if (GetGameStat(GAME_STAT_TRAINER_BATTLES) % 20 == 0)
         sub_81DA57C();
 }
 
 // why not just use the macros? maybe its because they didnt want to uncast const every time?
-u32 TrainerBattleLoadArg32(const u8 *ptr)
+static u32 TrainerBattleLoadArg32(const u8 *ptr)
 {
     return T1_READ_32(ptr);
 }
 
-u16 TrainerBattleLoadArg16(const u8 *ptr)
+static u16 TrainerBattleLoadArg16(const u8 *ptr)
 {
     return T1_READ_16(ptr);
 }
 
-u8 TrainerBattleLoadArg8(const u8 *ptr)
+static u8 TrainerBattleLoadArg8(const u8 *ptr)
 {
     return T1_READ_8(ptr);
 }
 
-u16 GetTrainerAFlag(void)
+static u16 GetTrainerAFlag(void)
 {
     return FLAG_TRAINER_FLAG_START + gTrainerBattleOpponent_A;
 }
 
-u16 GetTrainerBFlag(void)
+static u16 GetTrainerBFlag(void)
 {
     return FLAG_TRAINER_FLAG_START + gTrainerBattleOpponent_B;
 }
 
-bool32 IsPlayerDefeated(u32 battleOutcome)
+static bool32 IsPlayerDefeated(u32 battleOutcome)
 {
     switch (battleOutcome)
     {
@@ -782,23 +1013,872 @@ void ResetTrainerOpponentIds(void)
     gTrainerBattleOpponent_B = 0;
 }
 
-void InitTrainerBattleVariables(void)
+static void InitTrainerBattleVariables(void)
 {
     sTrainerBattleMode = 0;
     if (gApproachingTrainerId == 0)
     {
         sTrainerAIntroSpeech = NULL;
         sTrainerADefeatSpeech = NULL;
-        gUnknown_02038BF0 = NULL;
+        sTrainerABattleScriptRetAddr = NULL;
     }
     else
     {
         sTrainerBIntroSpeech = NULL;
         sTrainerBDefeatSpeech = NULL;
-        gUnknown_02038BF4 = NULL;
+        sTrainerBBattleScriptRetAddr = NULL;
     }
     sTrainerMapObjectLocalId = 0;
     sTrainerVictorySpeech = NULL;
     sTrainerCannotBattleSpeech = NULL;
-    gUnknown_02038BEC = NULL;
+    sTrainerBattleEndScript = NULL;
+}
+
+static inline void SetU8(void *ptr, u8 value)
+{
+    *(u8*)(ptr) = value;
+}
+
+static inline void SetU16(void *ptr, u16 value)
+{
+    *(u16*)(ptr) = value;
+}
+
+static inline void SetU32(void *ptr, u32 value)
+{
+    *(u32*)(ptr) = value;
+}
+
+static inline void SetPtr(const void *ptr, const void* value)
+{
+    *(const void**)(ptr) = value;
+}
+
+static void TrainerBattleLoadArgs(const struct TrainerBattleParameter *specs, const u8 *data)
+{
+    while (1)
+    {
+        switch (specs->ptrType)
+        {
+        case TRAINER_PARAM_LOAD_VAL_8BIT:
+            SetU8(specs->varPtr, TrainerBattleLoadArg8(data));
+            data += 1;
+            break;
+        case TRAINER_PARAM_LOAD_VAL_16BIT:
+            SetU16(specs->varPtr, TrainerBattleLoadArg16(data));
+            data += 2;
+            break;
+        case TRAINER_PARAM_LOAD_VAL_32BIT:
+            SetU32(specs->varPtr, TrainerBattleLoadArg32(data));
+            data += 4;
+            break;
+        case TRAINER_PARAM_CLEAR_VAL_8BIT:
+            SetU8(specs->varPtr, 0);
+            break;
+        case TRAINER_PARAM_CLEAR_VAL_16BIT:
+            SetU16(specs->varPtr, 0);
+            break;
+        case TRAINER_PARAM_CLEAR_VAL_32BIT:
+            SetU32(specs->varPtr, 0);
+            break;
+        case TRAINER_PARAM_LOAD_SCRIPT_RET_ADDR:
+            SetPtr(specs->varPtr, data);
+            return;
+        }
+        specs++;
+    }
+}
+
+void SetMapVarsToTrainer(void)
+{
+    if (sTrainerMapObjectLocalId != 0)
+    {
+        gSpecialVar_LastTalked = sTrainerMapObjectLocalId;
+        gSelectedMapObject = GetFieldObjectIdByLocalIdAndMap(sTrainerMapObjectLocalId, gSaveBlock1Ptr->location.mapNum, gSaveBlock1Ptr->location.mapGroup);
+    }
+}
+
+const u8 *BattleSetup_ConfigureTrainerBattle(const u8 *data)
+{
+    InitTrainerBattleVariables();
+    sTrainerBattleMode = TrainerBattleLoadArg8(data);
+
+    switch (sTrainerBattleMode)
+    {
+    case 3:
+        TrainerBattleLoadArgs(sOrdinaryNoIntroBattleParams, data);
+        return EventScript_2713C2;
+    case 4:
+        TrainerBattleLoadArgs(sDoubleBattleParams, data);
+        SetMapVarsToTrainer();
+        return EventScript_TryDoDoubleTrainerBattle;
+    case 2:
+        if (gApproachingTrainerId == 0)
+        {
+            TrainerBattleLoadArgs(sContinueScriptBattleParams, data);
+            SetMapVarsToTrainer();
+        }
+        else
+        {
+            TrainerBattleLoadArgs(sTrainerBContinueScriptBattleParams, data);
+        }
+        return EventScript_271362;
+    case 1:
+        TrainerBattleLoadArgs(sContinueScriptBattleParams, data);
+        SetMapVarsToTrainer();
+        return EventScript_271362;
+    case 6:
+    case 8:
+        TrainerBattleLoadArgs(sContinueScriptDoubleBattleParams, data);
+        SetMapVarsToTrainer();
+        return EventScript_TryDoDoubleTrainerBattle;
+    case 7:
+        TrainerBattleLoadArgs(sDoubleBattleParams, data);
+        SetMapVarsToTrainer();
+        gTrainerBattleOpponent_A = GetRematchTrainerId(gTrainerBattleOpponent_A);
+        return EventScript_TryDoDoubleRematchBattle;
+    case 5:
+        TrainerBattleLoadArgs(sOrdinaryBattleParams, data);
+        SetMapVarsToTrainer();
+        gTrainerBattleOpponent_A = GetRematchTrainerId(gTrainerBattleOpponent_A);
+        return EventScript_2713D1;
+    case 9:
+        if (gApproachingTrainerId == 0)
+        {
+            TrainerBattleLoadArgs(sOrdinaryBattleParams, data);
+            SetMapVarsToTrainer();
+            gTrainerBattleOpponent_A = sub_81A9AA8(gSpecialVar_LastTalked);
+        }
+        else
+        {
+            TrainerBattleLoadArgs(sTrainerBOrdinaryBattleParams, data);
+            gTrainerBattleOpponent_B = sub_81A9AA8(gSpecialVar_LastTalked);
+        }
+        return EventScript_271362;
+    case 10:
+        TrainerBattleLoadArgs(sOrdinaryBattleParams, data);
+        return NULL;
+    case 11:
+        TrainerBattleLoadArgs(sTrainerBOrdinaryBattleParams, data);
+        return NULL;
+    case 12:
+        if (gApproachingTrainerId == 0)
+        {
+            TrainerBattleLoadArgs(sOrdinaryBattleParams, data);
+            SetMapVarsToTrainer();
+            gTrainerBattleOpponent_A = sub_81D6180(gSpecialVar_LastTalked);
+        }
+        else
+        {
+            TrainerBattleLoadArgs(sTrainerBOrdinaryBattleParams, data);
+            gTrainerBattleOpponent_B = sub_81D6180(gSpecialVar_LastTalked);
+        }
+        return EventScript_271362;
+    default:
+        if (gApproachingTrainerId == 0)
+        {
+            TrainerBattleLoadArgs(sOrdinaryBattleParams, data);
+            SetMapVarsToTrainer();
+        }
+        else
+        {
+            TrainerBattleLoadArgs(sTrainerBOrdinaryBattleParams, data);
+        }
+        return EventScript_271362;
+    }
+}
+
+void ConfigureAndSetUpOneTrainerBattle(u8 trainerMapObjId, const u8 *trainerScript)
+{
+    gSelectedMapObject = trainerMapObjId;
+    gSpecialVar_LastTalked = gMapObjects[trainerMapObjId].localId;
+    BattleSetup_ConfigureTrainerBattle(trainerScript + 1);
+    ScriptContext1_SetupScript(EventScript_271354);
+    ScriptContext2_Enable();
+}
+
+void ConfigureTwoTrainersBattle(u8 trainerMapObjId, const u8 *trainerScript)
+{
+    gSelectedMapObject = trainerMapObjId;
+    gSpecialVar_LastTalked = gMapObjects[trainerMapObjId].localId;
+    BattleSetup_ConfigureTrainerBattle(trainerScript + 1);
+}
+
+void SetUpTwoTrainersBattle(void)
+{
+    ScriptContext1_SetupScript(EventScript_271354);
+    ScriptContext2_Enable();
+}
+
+bool32 GetTrainerFlagFromScriptPointer(const u8 *data)
+{
+    u32 flag = TrainerBattleLoadArg16(data + 2);
+    return FlagGet(FLAG_TRAINER_FLAG_START + flag);
+}
+
+void sub_80B16D8(void)
+{
+    struct MapObject *mapObject = &gMapObjects[gSelectedMapObject];
+
+    npc_set_running_behaviour_etc(mapObject, npc_running_behaviour_by_direction(mapObject->mapobj_unk_18));
+}
+
+u8 GetTrainerBattleMode(void)
+{
+    return sTrainerBattleMode;
+}
+
+bool8 GetTrainerFlag(void)
+{
+    if (InBattlePyramid())
+        return GetBattlePyramidTrainerFlag(gSelectedMapObject);
+    else if (InTrainerHill())
+        return GetTrainerHillTrainerFlag(gSelectedMapObject);
+    else
+        return FlagGet(GetTrainerAFlag());
+}
+
+static void SetBattledTrainersFlags(void)
+{
+    if (gTrainerBattleOpponent_B != 0)
+        FlagSet(GetTrainerBFlag());
+    FlagSet(GetTrainerAFlag());
+}
+
+static void SetBattledTrainerFlag(void)
+{
+    FlagSet(GetTrainerAFlag());
+}
+
+bool8 HasTrainerBeenFought(u16 trainerId)
+{
+    return FlagGet(FLAG_TRAINER_FLAG_START + trainerId);
+}
+
+void SetTrainerFlag(u16 trainerId)
+{
+    FlagSet(FLAG_TRAINER_FLAG_START + trainerId);
+}
+
+void ClearTrainerFlag(u16 trainerId)
+{
+    FlagClear(FLAG_TRAINER_FLAG_START + trainerId);
+}
+
+void BattleSetup_StartTrainerBattle(void)
+{
+    if (gNoOfApproachingTrainers == 2)
+        gBattleTypeFlags = (BATTLE_TYPE_DOUBLE | BATTLE_TYPE_TWO_OPPONENTS | BATTLE_TYPE_TRAINER);
+    else
+        gBattleTypeFlags = (BATTLE_TYPE_TRAINER);
+
+    if (InBattlePyramid())
+    {
+        VarSet(VAR_0x400E, 0);
+        gBattleTypeFlags |= BATTLE_TYPE_PYRAMID;
+
+        if (gNoOfApproachingTrainers == 2)
+        {
+            sub_816306C(1);
+            ZeroMonData(&gEnemyParty[1]);
+            ZeroMonData(&gEnemyParty[2]);
+            ZeroMonData(&gEnemyParty[4]);
+            ZeroMonData(&gEnemyParty[5]);
+        }
+        else
+        {
+            sub_8163048(1);
+            ZeroMonData(&gEnemyParty[1]);
+            ZeroMonData(&gEnemyParty[2]);
+        }
+
+        sub_81A9B04();
+    }
+    else if (sub_81D5C18())
+    {
+        gBattleTypeFlags |= BATTLE_TYPE_x4000000;
+
+        if (gNoOfApproachingTrainers == 2)
+            sub_81D639C();
+        else
+            sub_81D6384();
+
+        sub_81D61E8();
+    }
+
+    sNoOfPossibleTrainerRetScripts = gNoOfApproachingTrainers;
+    gNoOfApproachingTrainers = 0;
+    sShouldCheckTrainerBScript = FALSE;
+    gUnknown_03006080 = 0;
+    gMain.savedCallback = CB2_EndTrainerBattle;
+
+    if (InBattlePyramid() || sub_81D5C18())
+        sub_80B0828();
+    else
+        DoTrainerBattle();
+
+    ScriptContext1_Stop();
+}
+
+static void CB2_EndTrainerBattle(void)
+{
+    if (gTrainerBattleOpponent_A == SECRET_BASE_OPPONENT)
+    {
+        SetMainCallback2(c2_exit_to_overworld_1_continue_scripts_restart_music);
+    }
+    else if (IsPlayerDefeated(gBattleOutcome) == TRUE)
+    {
+        if (InBattlePyramid() || sub_81D5C18())
+            SetMainCallback2(c2_exit_to_overworld_1_continue_scripts_restart_music);
+        else
+            SetMainCallback2(CB2_WhiteOut);
+    }
+    else
+    {
+        SetMainCallback2(c2_exit_to_overworld_1_continue_scripts_restart_music);
+        if (!InBattlePyramid() && !sub_81D5C18())
+        {
+            RegisterTrainerInMatchCall();
+            SetBattledTrainersFlags();
+        }
+    }
+}
+
+static void CB2_EndRematchBattle(void)
+{
+    if (gTrainerBattleOpponent_A == SECRET_BASE_OPPONENT)
+    {
+        SetMainCallback2(c2_exit_to_overworld_1_continue_scripts_restart_music);
+    }
+    else if (IsPlayerDefeated(gBattleOutcome) == TRUE)
+    {
+        SetMainCallback2(CB2_WhiteOut);
+    }
+    else
+    {
+        SetMainCallback2(c2_exit_to_overworld_1_continue_scripts_restart_music);
+        RegisterTrainerInMatchCall();
+        SetBattledTrainersFlags();
+        HandleRematchVarsOnBattleEnd();
+    }
+}
+
+void BattleSetup_StartRematchBattle(void)
+{
+    gBattleTypeFlags = BATTLE_TYPE_TRAINER;
+    gMain.savedCallback = CB2_EndRematchBattle;
+    DoTrainerBattle();
+    ScriptContext1_Stop();
+}
+
+void ShowTrainerIntroSpeech(void)
+{
+    if (InBattlePyramid())
+    {
+        if (gNoOfApproachingTrainers == 0 || gNoOfApproachingTrainers == 1)
+            sub_81A9EDC(sub_81A9AA8(gSpecialVar_LastTalked));
+        else
+            sub_81A9EDC(sub_81A9AA8(gMapObjects[gApproachingTrainers[gApproachingTrainerId].mapObjectId].localId));
+
+        sub_80982B8();
+    }
+    else if (sub_81D5C18())
+    {
+        if (gNoOfApproachingTrainers == 0 || gNoOfApproachingTrainers == 1)
+            sub_81D572C(2, sub_81D6180(gSpecialVar_LastTalked));
+        else
+            sub_81D572C(2, sub_81D6180(gMapObjects[gApproachingTrainers[gApproachingTrainerId].mapObjectId].localId));
+
+        sub_80982B8();
+    }
+    else
+    {
+        ShowFieldMessage(GetIntroSpeechOfApproachingTrainer());
+    }
+}
+
+const u8 *BattleSetup_GetScriptAddrAfterBattle(void)
+{
+    if (sTrainerBattleEndScript != NULL)
+        return sTrainerBattleEndScript;
+    else
+        return EventScript_TestSignpostMsg;
+}
+
+const u8 *BattleSetup_GetTrainerPostBattleScript(void)
+{
+    if (sShouldCheckTrainerBScript)
+    {
+        sShouldCheckTrainerBScript = FALSE;
+        if (sTrainerBBattleScriptRetAddr != NULL)
+        {
+            gUnknown_03006080 = 1;
+            return sTrainerBBattleScriptRetAddr;
+        }
+    }
+    else
+    {
+        if (sTrainerABattleScriptRetAddr != NULL)
+        {
+            gUnknown_03006080 = 0;
+            return sTrainerABattleScriptRetAddr;
+        }
+    }
+
+    return EventScript_TryGetTrainerScript;
+}
+
+void ShowTrainerCantBattleSpeech(void)
+{
+    ShowFieldMessage(GetTrainerCantBattleSpeech());
+}
+
+void SetUpTrainerEncounterMusic(void)
+{
+    u16 trainerId;
+    u16 music;
+
+    if (gApproachingTrainerId == 0)
+        trainerId = gTrainerBattleOpponent_A;
+    else
+        trainerId = gTrainerBattleOpponent_B;
+
+    if (sTrainerBattleMode != TRAINER_BATTLE_CONTINUE_SCRIPT_NO_MUSIC
+        && sTrainerBattleMode != TRAINER_BATTLE_CONTINUE_SCRIPT_DOUBLE_NO_MUSIC)
+    {
+        switch (GetTrainerEncounterMusicId(trainerId))
+        {
+        case TRAINER_ENCOUNTER_MUSIC_MALE:
+            music = BGM_BOYEYE;
+            break;
+        case TRAINER_ENCOUNTER_MUSIC_FEMALE:
+            music = BGM_GIRLEYE;
+            break;
+        case TRAINER_ENCOUNTER_MUSIC_GIRL:
+            music = BGM_SYOUJOEYE;
+            break;
+        case TRAINER_ENCOUNTER_MUSIC_INTENSE:
+            music = BGM_HAGESHII;
+            break;
+        case TRAINER_ENCOUNTER_MUSIC_COOL:
+            music = BGM_KAKKOII;
+            break;
+        case TRAINER_ENCOUNTER_MUSIC_AQUA:
+            music = BGM_AQA_0;
+            break;
+        case TRAINER_ENCOUNTER_MUSIC_MAGMA:
+            music = BGM_MGM0;
+            break;
+        case TRAINER_ENCOUNTER_MUSIC_SWIMMER:
+            music = BGM_SWIMEYE;
+            break;
+        case TRAINER_ENCOUNTER_MUSIC_TWINS:
+            music = BGM_HUTAGO;
+            break;
+        case TRAINER_ENCOUNTER_MUSIC_ELITE_FOUR:
+            music = BGM_SITENNOU;
+            break;
+        case TRAINER_ENCOUNTER_MUSIC_HIKER:
+            music = BGM_YAMA_EYE;
+            break;
+        case TRAINER_ENCOUNTER_MUSIC_INTERVIEWER:
+            music = BGM_INTER_V;
+            break;
+        case TRAINER_ENCOUNTER_MUSIC_RICH:
+            music = BGM_TEST;
+            break;
+        default:
+            music = BGM_AYASII;
+        }
+        PlayNewMapMusic(music);
+    }
+}
+
+static const u8 *ReturnEmptyStringIfNull(const u8 *string)
+{
+    if (string == NULL)
+        return gText_EmptyString2;
+    else
+        return string;
+}
+
+static const u8 *GetIntroSpeechOfApproachingTrainer(void)
+{
+    if (gApproachingTrainerId == 0)
+        return ReturnEmptyStringIfNull(sTrainerAIntroSpeech);
+    else
+        return ReturnEmptyStringIfNull(sTrainerBIntroSpeech);
+}
+
+const u8 *GetTrainerALoseText(void)
+{
+    const u8 *string;
+
+    if (gTrainerBattleOpponent_A == SECRET_BASE_OPPONENT)
+        string = GetSecretBaseTrainerLoseText();
+    else
+        string = sTrainerADefeatSpeech;
+
+    StringExpandPlaceholders(gStringVar4, ReturnEmptyStringIfNull(string));
+    return gStringVar4;
+}
+
+const u8 *GetTrainerBLoseText(void)
+{
+    StringExpandPlaceholders(gStringVar4, ReturnEmptyStringIfNull(sTrainerBDefeatSpeech));
+    return gStringVar4;
+}
+
+const u8 *GetTrainerWonSpeech(void)
+{
+    return ReturnEmptyStringIfNull(sTrainerVictorySpeech);
+}
+
+static const u8 *GetTrainerCantBattleSpeech(void)
+{
+    return ReturnEmptyStringIfNull(sTrainerCannotBattleSpeech);
+}
+
+static s32 FirstBattleTrainerIdToRematchTableId(const struct RematchTrainer *table, u16 trainerId)
+{
+    s32 i;
+
+    for (i = 0; i < REMATCH_TABLE_ENTRIES; i++)
+    {
+        if (table[i].trainerIds[0] == trainerId)
+            return i;
+    }
+
+    return -1;
+}
+
+static s32 TrainerIdToRematchTableId(const struct RematchTrainer *table, u16 trainerId)
+{
+    s32 i, j;
+
+    for (i = 0; i < REMATCH_TABLE_ENTRIES; i++)
+    {
+        for (j = 0; j < REMATCHES_COUNT; j++)
+        {
+            if (table[i].trainerIds[j] == 0)
+                break;
+            if (table[i].trainerIds[j] == trainerId)
+                return i;
+        }
+    }
+
+    return -1;
+}
+
+static bool32 sub_80B1D94(s32 rematchTableId)
+{
+    if (rematchTableId >= REMATCH_ELITE_FOUR_ENTRIES)
+        return TRUE;
+    else if (rematchTableId == REMATCH_WALLY_ENTRY)
+        return (FlagGet(FLAG_7E) == FALSE);
+    else
+        return FALSE;
+}
+
+static void SetRematchIdForTrainer(const struct RematchTrainer *table, u32 tableId)
+{
+    s32 i;
+
+    for (i = 1; i < REMATCHES_COUNT; i++)
+    {
+        u16 trainerId = table[tableId].trainerIds[i];
+
+        if (trainerId == 0)
+            break;
+        if (!HasTrainerBeenFought(trainerId))
+            break;
+    }
+
+    gSaveBlock1Ptr->trainerRematches[tableId] = i;
+}
+
+static bool32 UpdateRandomTrainerRematches(const struct RematchTrainer *table, u16 mapGroup, u16 mapNum)
+{
+    s32 i;
+    bool32 ret = FALSE;
+
+    for (i = 0; i <= REMATCH_WALLY_ENTRY; i++)
+    {
+        if (table[i].mapGroup == mapGroup && table[i].mapNum == mapNum && !sub_80B1D94(i))
+        {
+            if (gSaveBlock1Ptr->trainerRematches[i] != 0)
+            {
+                // Trainer already wants a rematch. Don't bother updating it
+                ret = TRUE;
+            }
+            else if (FlagGet(FLAG_MATCH_CALL_REGISTERED + i)
+             && (Random() % 100) <= 30)  // 31% chance of getting a rematch
+            {
+                SetRematchIdForTrainer(table, i);
+                ret = TRUE;
+            }
+        }
+    }
+
+    return ret;
+}
+
+void UpdateRematchIfDefeated(s32 rematchTableId)
+{
+    if (HasTrainerBeenFought(gRematchTable[rematchTableId].trainerIds[0]) == TRUE)
+        SetRematchIdForTrainer(gRematchTable, rematchTableId);
+}
+
+static bool32 DoesSomeoneWantRematchIn_(const struct RematchTrainer *table, u16 mapGroup, u16 mapNum)
+{
+    s32 i;
+
+    for (i = 0; i < REMATCH_TABLE_ENTRIES; i++)
+    {
+        if (table[i].mapGroup == mapGroup && table[i].mapNum == mapNum && gSaveBlock1Ptr->trainerRematches[i] != 0)
+            return TRUE;
+    }
+
+    return FALSE;
+}
+
+static bool32 IsRematchTrainerIn_(const struct RematchTrainer *table, u16 mapGroup, u16 mapNum)
+{
+    s32 i;
+
+    for (i = 0; i < REMATCH_TABLE_ENTRIES; i++)
+    {
+        if (table[i].mapGroup == mapGroup && table[i].mapNum == mapNum)
+            return TRUE;
+    }
+
+    return FALSE;
+}
+
+static bool8 IsFirstTrainerIdReadyForRematch(const struct RematchTrainer *table, u16 firstBattleTrainerId)
+{
+    s32 tableId = FirstBattleTrainerIdToRematchTableId(table, firstBattleTrainerId);
+
+    if (tableId == -1)
+        return FALSE;
+    if (tableId >= 100)
+        return FALSE;
+    if (gSaveBlock1Ptr->trainerRematches[tableId] == 0)
+        return FALSE;
+
+    return TRUE;
+}
+
+static bool8 IsTrainerReadyForRematch_(const struct RematchTrainer *table, u16 trainerId)
+{
+    s32 tableId = TrainerIdToRematchTableId(table, trainerId);
+
+    if (tableId == -1)
+        return FALSE;
+    if (tableId >= 100)
+        return FALSE;
+    if (gSaveBlock1Ptr->trainerRematches[tableId] == 0)
+        return FALSE;
+
+    return TRUE;
+}
+
+static u16 GetRematchTrainerIdFromTable(const struct RematchTrainer *table, u16 firstBattleTrainerId)
+{
+    const struct RematchTrainer *trainerEntry;
+    s32 i;
+    s32 tableId = FirstBattleTrainerIdToRematchTableId(table, firstBattleTrainerId);
+
+    if (tableId == -1)
+        return FALSE;
+
+    trainerEntry = &table[tableId];
+    for (i = 1; i < REMATCHES_COUNT; i++)
+    {
+        if (trainerEntry->trainerIds[i] == 0) // previous entry was this trainer's last one
+            return trainerEntry->trainerIds[i - 1];
+        if (!HasTrainerBeenFought(trainerEntry->trainerIds[i]))
+            return trainerEntry->trainerIds[i];
+    }
+
+    return trainerEntry->trainerIds[REMATCHES_COUNT - 1]; // already beaten at max stage
+}
+
+static u16 GetLastBeatenRematchTrainerIdFromTable(const struct RematchTrainer *table, u16 firstBattleTrainerId)
+{
+    const struct RematchTrainer *trainerEntry;
+    s32 i;
+    s32 tableId = FirstBattleTrainerIdToRematchTableId(table, firstBattleTrainerId);
+
+    if (tableId == -1)
+        return FALSE;
+
+    trainerEntry = &table[tableId];
+    for (i = 1; i < REMATCHES_COUNT; i++)
+    {
+        if (trainerEntry->trainerIds[i] == 0) // previous entry was this trainer's last one
+            return trainerEntry->trainerIds[i - 1];
+        if (!HasTrainerBeenFought(trainerEntry->trainerIds[i]))
+            return trainerEntry->trainerIds[i - 1];
+    }
+
+    return trainerEntry->trainerIds[REMATCHES_COUNT - 1]; // already beaten at max stage
+}
+
+static void ClearTrainerWantRematchState(const struct RematchTrainer *table, u16 firstBattleTrainerId)
+{
+    s32 tableId = TrainerIdToRematchTableId(table, firstBattleTrainerId);
+
+    if (tableId != -1)
+        gSaveBlock1Ptr->trainerRematches[tableId] = 0;
+}
+
+static u32 GetTrainerMatchCallFlag(u32 trainerId)
+{
+    s32 i;
+
+    for (i = 0; i < REMATCH_TABLE_ENTRIES; i++)
+    {
+        if (gRematchTable[i].trainerIds[0] == trainerId)
+            return FLAG_MATCH_CALL_REGISTERED + i;
+    }
+
+    return 0xFFFF;
+}
+
+static void RegisterTrainerInMatchCall(void)
+{
+    if (FlagGet(FLAG_HAS_MATCH_CALL))
+    {
+        u32 matchCallFlagId = GetTrainerMatchCallFlag(gTrainerBattleOpponent_A);
+        if (matchCallFlagId != 0xFFFF)
+            FlagSet(matchCallFlagId);
+    }
+}
+
+static bool8 WasSecondRematchWon(const struct RematchTrainer *table, u16 firstBattleTrainerId)
+{
+    s32 tableId = FirstBattleTrainerIdToRematchTableId(table, firstBattleTrainerId);
+
+    if (tableId == -1)
+        return FALSE;
+    if (!HasTrainerBeenFought(table[tableId].trainerIds[1]))
+        return FALSE;
+
+    return TRUE;
+}
+
+static bool32 HasAtLeastFiveBadges(void)
+{
+    s32 i, count;
+
+    for (count = 0, i = 0; i < ARRAY_COUNT(sBadgeFlags); i++)
+    {
+        if (FlagGet(sBadgeFlags[i]) == TRUE)
+        {
+            if (++count >= 5)
+                return TRUE;
+        }
+    }
+
+    return FALSE;
+}
+
+#define STEP_COUNTER_MAX 255
+
+void IncrementRematchStepCounter(void)
+{
+    if (HasAtLeastFiveBadges())
+    {
+        if (gSaveBlock1Ptr->trainerRematchStepCounter >= STEP_COUNTER_MAX)
+            gSaveBlock1Ptr->trainerRematchStepCounter = STEP_COUNTER_MAX;
+        else
+            gSaveBlock1Ptr->trainerRematchStepCounter++;
+    }
+}
+
+static bool32 IsRematchStepCounterMaxed(void)
+{
+    if (HasAtLeastFiveBadges() && gSaveBlock1Ptr->trainerRematchStepCounter >= STEP_COUNTER_MAX)
+        return TRUE;
+    else
+        return FALSE;
+}
+
+void TryUpdateRandomTrainerRematches(u16 mapGroup, u16 mapNum)
+{
+    if (IsRematchStepCounterMaxed() && UpdateRandomTrainerRematches(gRematchTable, mapGroup, mapNum) == TRUE)
+        gSaveBlock1Ptr->trainerRematchStepCounter = 0;
+}
+
+bool32 DoesSomeoneWantRematchIn(u16 mapGroup, u16 mapNum)
+{
+    return DoesSomeoneWantRematchIn_(gRematchTable, mapGroup, mapNum);
+}
+
+bool32 IsRematchTrainerIn(u16 mapGroup, u16 mapNum)
+{
+    return IsRematchTrainerIn_(gRematchTable, mapGroup, mapNum);
+}
+
+static u16 GetRematchTrainerId(u16 trainerId)
+{
+    return GetRematchTrainerIdFromTable(gRematchTable, trainerId);
+}
+
+u16 GetLastBeatenRematchTrainerId(u16 trainerId)
+{
+    return GetLastBeatenRematchTrainerIdFromTable(gRematchTable, trainerId);
+}
+
+bool8 ShouldTryRematchBattle(void)
+{
+    if (IsFirstTrainerIdReadyForRematch(gRematchTable, gTrainerBattleOpponent_A))
+        return TRUE;
+
+    return WasSecondRematchWon(gRematchTable, gTrainerBattleOpponent_A);
+}
+
+bool8 IsTrainerReadyForRematch(void)
+{
+    return IsTrainerReadyForRematch_(gRematchTable, gTrainerBattleOpponent_A);
+}
+
+static void HandleRematchVarsOnBattleEnd(void)
+{
+    ClearTrainerWantRematchState(gRematchTable, gTrainerBattleOpponent_A);
+    SetBattledTrainersFlags();
+}
+
+void ShouldTryGetTrainerScript(void)
+{
+    if (sNoOfPossibleTrainerRetScripts > 1)
+    {
+        sNoOfPossibleTrainerRetScripts = 0;
+        sShouldCheckTrainerBScript = TRUE;
+        gSpecialVar_Result = TRUE;
+    }
+    else
+    {
+        sShouldCheckTrainerBScript = FALSE;
+        gSpecialVar_Result = FALSE;
+    }
+}
+
+u16 CountBattledRematchTeams(u16 trainerId)
+{
+    s32 i;
+
+    if (HasTrainerBeenFought(gRematchTable[trainerId].trainerIds[0]) != TRUE)
+        return 0;
+
+    for (i = 1; i < REMATCHES_COUNT; i++)
+    {
+        if (gRematchTable[trainerId].trainerIds[i] == 0)
+            break;
+        if (!HasTrainerBeenFought(gRematchTable[trainerId].trainerIds[i]))
+            break;
+    }
+
+    return i;
 }
diff --git a/src/pokemon_2.c b/src/pokemon_2.c
index 7014be492..4602b2f7a 100644
--- a/src/pokemon_2.c
+++ b/src/pokemon_2.c
@@ -1155,7 +1155,7 @@ u8 GetMonsStateToDoubles_2(void)
     s32 aliveCount = 0;
     s32 i;
 
-    for (i = 0; i < 6; i++)
+    for (i = 0; i < PARTY_SIZE; i++)
     {
         u32 species = GetMonData(&gPlayerParty[i], MON_DATA_SPECIES2, NULL);
         if (species != SPECIES_EGG && species != SPECIES_NONE
diff --git a/src/scrcmd.c b/src/scrcmd.c
index 183b9bab5..f292bd769 100644
--- a/src/scrcmd.c
+++ b/src/scrcmd.c
@@ -656,7 +656,7 @@ bool8 ScrCmd_fadescreenspeed(struct ScriptContext *ctx)
 bool8 ScrCmd_fadescreenswapbuffers(struct ScriptContext *ctx)
 {
     u8 mode = ScriptReadByte(ctx);
-    
+
     switch (mode)
     {
         case 1:
@@ -1445,7 +1445,7 @@ bool8 ScrCmd_drawboxtext(struct ScriptContext *ctx)
     u8 top = ScriptReadByte(ctx);
     u8 multichoiceId = ScriptReadByte(ctx);
     u8 ignoreBPress = ScriptReadByte(ctx);
-    
+
     /*if (Multichoice(left, top, multichoiceId, ignoreBPress) == TRUE)
     {
         ScriptContext1_Stop();
@@ -1501,31 +1501,31 @@ bool8 ScrCmd_braillemessage(struct ScriptContext *ctx)
     u8 y;
 
     StringExpandPlaceholders(gStringVar4, ptr + 6);
-    
+
     width = GetStringWidth(6, gStringVar4, -1) / 8;
-    
+
     if (width > 0x1C)
         width = 0x1C;
-    
+
     for (i = 0, height = 4; gStringVar4[i] != 0xFF;)
     {
         if (gStringVar4[i++] == 0xFE)
             height += 3;
     }
-    
+
     if (height > 0x12)
         height = 0x12;
-    
+
     x = width + 2;
     temp1 = (0x1E - x) / 2;
     x = temp1 + 1;
     temp1 = ((x - temp1 - 1) * 8 + 3);
-    
+
     y = height + 2;
     temp2 = (0x14 - y) / 2;
     y = temp2 + 2;
     temp2 = ((y - temp2 - 1) * 8);
-    
+
     sub_8198A50(&template1, 0, x, y, width, height, 0xF, 0x1);
     template2 = template1;
     gUnknown_03000F30 = AddWindow(&template2);
@@ -1924,7 +1924,7 @@ bool8 ScrCmd_hidemoneybox(struct ScriptContext *ctx)
 {
     /*u8 x = ScriptReadByte(ctx);
     u8 y = ScriptReadByte(ctx);*/
-    
+
     HideMoneyBox();
     return FALSE;
 }
@@ -1979,13 +1979,13 @@ bool8 ScrCmd_dotrainerbattle(struct ScriptContext *ctx)
     return TRUE;
 }
 
-bool8 ScrCmd_ontrainerbattleend(struct ScriptContext *ctx)
+bool8 ScrCmd_gotobattleendscript(struct ScriptContext *ctx)
 {
     ctx->scriptPtr = BattleSetup_GetScriptAddrAfterBattle();
     return FALSE;
 }
 
-bool8 ScrCmd_ontrainerbattleendgoto(struct ScriptContext *ctx)
+bool8 ScrCmd_gototrainerscript(struct ScriptContext *ctx)
 {
     ctx->scriptPtr = BattleSetup_GetTrainerPostBattleScript();
     return FALSE;
@@ -1995,7 +1995,7 @@ bool8 ScrCmd_checktrainerflag(struct ScriptContext *ctx)
 {
     u16 index = VarGet(ScriptReadHalfword(ctx));
 
-    ctx->comparisonResult = HasTrainerAlreadyBeenFought(index);
+    ctx->comparisonResult = HasTrainerBeenFought(index);
     return FALSE;
 }
 
@@ -2003,7 +2003,7 @@ bool8 ScrCmd_settrainerflag(struct ScriptContext *ctx)
 {
     u16 index = VarGet(ScriptReadHalfword(ctx));
 
-    trainer_flag_set(index);
+    SetTrainerFlag(index);
     return FALSE;
 }
 
@@ -2011,7 +2011,7 @@ bool8 ScrCmd_cleartrainerflag(struct ScriptContext *ctx)
 {
     u16 index = VarGet(ScriptReadHalfword(ctx));
 
-    trainer_flag_clear(index);
+    ClearTrainerFlag(index);
     return FALSE;
 }
 
@@ -2374,7 +2374,7 @@ bool8 ScrCmd_checkmonobedience(struct ScriptContext *ctx)
 bool8 ScrCmd_cmdCF(struct ScriptContext *ctx)
 {
     const u8* v1 = sub_8099244();
-    
+
     if (v1)
     {
         ((u8*)gUnknown_020375C0) = ctx->scriptPtr;
diff --git a/src/secret_base.c b/src/secret_base.c
index de2b7221a..0550d7786 100644
--- a/src/secret_base.c
+++ b/src/secret_base.c
@@ -1282,7 +1282,7 @@ u8 sub_80EA20C(u8 secretBaseRecordId)
     return (gSaveBlock1Ptr->secretBases[secretBaseRecordId].trainerId[0] % 5) + (gSaveBlock1Ptr->secretBases[secretBaseRecordId].gender * 5);
 }
 
-const u8 *sub_80EA250(void)
+const u8 *GetSecretBaseTrainerLoseText(void)
 {
     u8 param;
 
diff --git a/src/trainer_see.c b/src/trainer_see.c
new file mode 100644
index 000000000..c469e11ed
--- /dev/null
+++ b/src/trainer_see.c
@@ -0,0 +1,68 @@
+#include "global.h"
+#include "trainer_see.h"
+#include "battle_setup.h"
+
+extern u8 gApproachingTrainerId;
+extern u8 gNoOfApproachingTrainers;
+extern u8 gUnknown_030060AC;
+extern u16 gUnknown_03006080;
+
+// this file's functions
+u8 CheckIfTrainerWantsBattle(u8 mapObjectId);
+
+bool8 CheckForTrainersWantingBattle(void)
+{
+    u8 i;
+
+    gNoOfApproachingTrainers = 0;
+    gApproachingTrainerId = 0;
+
+    for (i = 0; i < MAP_OBJECTS_COUNT; i++)
+    {
+        u8 retVal;
+
+        if (!gMapObjects[i].active)
+            continue;
+        if (gMapObjects[i].trainerType != 1 && gMapObjects[i].trainerType != 3)
+            continue;
+
+        retVal = CheckIfTrainerWantsBattle(i);
+        if (retVal == 2)
+            break; // two trainers has been found
+
+        if (retVal == 0) // no trainers
+            continue;
+
+        if (gNoOfApproachingTrainers > 1)
+            break;
+        if (GetMonsStateToDoubles_2() != 0) // one trainer found and cant have a double battle
+            break;
+    }
+
+    if (gNoOfApproachingTrainers == 1)
+    {
+        ResetTrainerOpponentIds();
+        ConfigureAndSetUpOneTrainerBattle(gApproachingTrainers[gNoOfApproachingTrainers - 1].mapObjectId,
+                                          gApproachingTrainers[gNoOfApproachingTrainers - 1].trainerScriptPtr);
+        gUnknown_030060AC = 1;
+        return TRUE;
+    }
+    else if (gNoOfApproachingTrainers == 2)
+    {
+        ResetTrainerOpponentIds();
+        for (i = 0; i < gNoOfApproachingTrainers; i++, gApproachingTrainerId++)
+        {
+            ConfigureTwoTrainersBattle(gApproachingTrainers[i].mapObjectId,
+                                       gApproachingTrainers[i].trainerScriptPtr);
+        }
+        SetUpTwoTrainersBattle();
+        gApproachingTrainerId = 0;
+        gUnknown_030060AC = 1;
+        return TRUE;
+    }
+    else
+    {
+        gUnknown_030060AC = 0;
+        return FALSE;
+    }
+}