1 files changed, 111 insertions, 0 deletions
diff --git a/src/new_game.c b/src/new_game.c
new file mode 100644
index 000000000..649cf4e6d
--- /dev/null
+++ b/src/new_game.c
@@ -0,0 +1,111 @@
+#include "global.h"
+#include "new_game.h"
+#include "rng.h"
+
+extern u8 gPlayerPartyCount;
+extern u8 gDifferentSaveFile;
+extern u16 gSaveFileStatus;
+extern u8 gUnknown_030060B0;
+
+extern u16 GetGeneratedTrainerIdLower(void);
+extern void ClearContestWinnerPicsInContestHall(void);
+extern void warp1_set(s8 mapBank, s8 mapNo, s8 warpNo, s8 xPos, s8 yPos);
+extern void warp_in(void);
+extern void sub_80BB358(void);
+extern void ZeroPlayerPartyMons(void);
+extern void ZeroEnemyPartyMons(void);
+extern void ResetBagScrollPositions(void);
+extern void sub_813624C(void); // clears something pokeblock related
+extern void ClearSav2(void); // clears something pokeblock related
+
+void WriteUnalignedWord(u32 var, u8 *dataPtr)
+{
+    dataPtr[0] = var;
+    dataPtr[1] = var >> 8;
+    dataPtr[2] = var >> 16;
+    dataPtr[3] = var >> 24;
+}
+
+u32 ReadUnalignedWord(u8* dataPtr)
+{
+    return (dataPtr[3] << 24) | (dataPtr[2] << 16) | (dataPtr[1] << 8) | (dataPtr[0]);
+}
+
+void CopyUnalignedWord(u8 *copyTo, u8 *copyFrom)
+{
+    s32 i;
+    for (i = 0; i < 4; i++)
+        copyTo[i] = copyFrom[i];
+}
+
+void InitPlayerTrainerId(void)
+{
+    u32 trainerId = (Random() << 0x10) | GetGeneratedTrainerIdLower();
+    WriteUnalignedWord(trainerId, gSaveBlock2Ptr->playerTrainerId);
+}
+
+// L=A isnt set here for some reason.
+void SetDefaultOptions(void)
+{
+    gSaveBlock2Ptr->optionsTextSpeed = OPTIONS_TEXT_SPEED_MID;
+    gSaveBlock2Ptr->optionsWindowFrameType = 0;
+    gSaveBlock2Ptr->optionsSound = OPTIONS_SOUND_MONO;
+    gSaveBlock2Ptr->optionsBattleStyle = OPTIONS_BATTLE_STYLE_SHIFT;
+    gSaveBlock2Ptr->optionsBattleSceneOff = FALSE;
+    gSaveBlock2Ptr->regionMapZoom = FALSE;
+}
+
+void ClearPokedexFlags(void)
+{
+    gUnknown_030060B0 = 0;
+    memset(&gSaveBlock2Ptr->pokedex.owned, 0, sizeof(gSaveBlock2Ptr->pokedex.owned));
+    memset(&gSaveBlock2Ptr->pokedex.seen, 0, sizeof(gSaveBlock2Ptr->pokedex.seen));
+}
+
+extern const struct ContestWinner gContestWinnerPicDummy;
+
+void ClearAllContestWinnerPics(void)
+{
+    s32 i;
+
+    ClearContestWinnerPicsInContestHall();
+    for (i = 8; i < 13; i++)
+        gSaveBlock1Ptr->contestWinners[i] = gContestWinnerPicDummy;
+}
+
+void sub_8084400(void)
+{
+    // probably clearing one struct for battle frontier
+    CpuFill32(0, gSaveBlock2Ptr->field_64C, 2272);
+
+    // those look like strings
+    gSaveBlock2Ptr->field_EE1 = 0xFF;
+    gSaveBlock2Ptr->field_EE9 = 0xFF;
+}
+
+void WarpToTruck(void)
+{
+    warp1_set(25, 40, -1, -1, -1); // inside of truck
+    warp_in();
+}
+
+void Sav2_ClearSetDefault(void)
+{
+    ClearSav2();
+    SetDefaultOptions();
+}
+
+void sub_808447C(void)
+{
+    gDifferentSaveFile = 0;
+    sub_80BB358();
+    ZeroPlayerPartyMons();
+    ZeroEnemyPartyMons();
+    ResetBagScrollPositions();
+    sub_813624C();
+}
+/*
+void NewGameInitData(void)
+{
+    Finish when more header files are available
+}*/