Decompile filesystem.s

1 files changed, 415 insertions, 0 deletions

diff --git a/arm9/src/filesystem.c b/arm9/src/filesystem.c
new file mode 100644
index 00000000..c67b689d
--- /dev/null
+++ b/arm9/src/filesystem.c
@@ -0,0 +1,415 @@
+#include "global.h"
+#include "FS_file.h"
+
+void * FUN_02016998(u32 heap_id, u32 size);
+void * FUN_020169D8(u32 heap_id, u32 size);
+void FUN_02016A18(void * ptr);
+
+static char * UNK_021058A0[] = {
+    "battle/skill/waza_seq.narc",
+    "battle/skill/sub_seq.narc",
+    "poketool/personal/personal.narc",
+    "poketool/personal/growtbl.narc",
+    "poketool/pokegra/pokegra.narc",
+    "poketool/pokegra/height.narc",
+    "poketool/trgra/trbgra.narc",
+    "battle/graphic/batt_bg.narc",
+    "wazaeffect/we.arc",
+    "poketool/waza/waza_tbl.narc",
+    "fielddata/script/scr_seq_release.narc",
+    "msgdata/scenario/scr_msg.narc",
+    "graphic/poketch.narc",
+    "graphic/bag_gra.narc",
+    "graphic/font.narc",
+    "itemtool/itemdata/item_data.narc",
+    "itemtool/itemdata/item_icon.narc",
+    "graphic/tmap_gra.narc",
+    "graphic/box.narc",
+    "poketool/icongra/poke_icon.narc",
+    "graphic/plist_gra.narc",
+    "wazaeffect/effectclact/wechar.narc",
+    "wazaeffect/effectclact/wepltt.narc",
+    "wazaeffect/effectclact/wecell.narc",
+    "wazaeffect/effectclact/wecellanm.narc",
+    "graphic/imageclip.narc",
+    "msgdata/msg.narc",
+    "battle/graphic/batt_obj.narc",
+    "data/underg_radar.narc",
+    "wazaeffect/effectdata/waza_particle.narc",
+    "battle/skill/be_seq.narc",
+    "data/namein.narc",
+    "fielddata/eventdata/zone_event_release.narc",
+    "poketool/personal/wotbl.narc",
+    "poketool/personal/evo.narc",
+    "graphic/fontoam.narc",
+    "graphic/field_board.narc",
+    "fielddata/encountdata/d_enc_data.narc",
+    "graphic/winframe.narc",
+    "graphic/pst_gra.narc",
+    "fielddata/build_model/build_model.narc",
+    "fielddata/mapmatrix/map_matrix.narc",
+    "fielddata/areadata/area_data.narc",
+    "fielddata/areadata/area_build_model/area_build.narc",
+    "fielddata/areadata/area_map_tex/map_tex_set.narc",
+    "contest/graphic/contest_bg.narc",
+    "contest/graphic/contest_obj.narc",
+    "data/ugeffect_obj_graphic.narc",
+    "demo/title/titledemo.narc",
+    "fielddata/areadata/area_move_model/move_model_list.narc",
+    "data/ug_trap.narc",
+    "graphic/trainer_case.narc",
+    "data/ug_fossil.narc",
+    "graphic/ntag_gra.narc",
+    "data/tradelist.narc",
+    "data/ug_parts.narc",
+    "graphic/opening.narc",
+    "poketool/trainer/trdata.narc",
+    "poketool/trainer/trpoke.narc",
+    "poketool/trmsg/trtbl.narc",
+    "poketool/trgra/trfgra.narc",
+    "particledata/particledata.narc",
+    "graphic/shop_gra.narc",
+    "wazaeffect/we_sub.narc",
+    "data/ug_anim.narc",
+    "data/weather_sys.narc",
+    "graphic/menu_gra.narc",
+    "fielddata/land_data/land_data_release.narc",
+    "itemtool/itemdata/nuts_data.narc",
+    "resource/eng/zukan/zukan.narc",
+    "poketool/pokefoot/pokefoot.narc",
+    "fielddata/areadata/area_build_model/areabm_texset.narc",
+    "battle/graphic/b_plist_gra.narc",
+    "graphic/config_gra.narc",
+    "graphic/unionroom.narc",
+    "application/zukanlist/zkn_data/zukan_data.narc",
+    "graphic/pmsi.narc",
+    "battle/graphic/b_bag_gra.narc",
+    "graphic/oekaki.narc",
+    "graphic/mail_gra.narc",
+    "graphic/f_note_gra.narc",
+    "data/mmodel/mmodel.narc",
+    "graphic/ev_pokeselect.narc",
+    "graphic/poru_gra.narc",
+    "graphic/touch_subwindow.narc",
+    "graphic/fld_comact.narc",
+    "graphic/record.narc",
+    "graphic/porudemo.narc",
+    "graphic/poruact.narc",
+    "data/wifinote.narc",
+    "contest/data/contest_data.narc",
+    "application/custom_ball/data/cb_data.narc",
+    "data/wifip2pmatch.narc",
+    "graphic/demo_trade.narc",
+    "pokeanime/poke_anm.narc",
+    "graphic/mysign.narc",
+    "fielddata/mm_list/move_model_list.narc",
+    "data/field_cutin.narc",
+    "data/demo_climax.narc",
+    "wazaeffect/effectdata/ball_particle.narc",
+    "wazaeffect/pt_debug/debug_particle.narc",
+    "graphic/dendou_pc.narc",
+    "application/wifi_earth/wifi_earth_place.narc",
+    "battle/tr_ai/tr_ai_seq.narc",
+    "graphic/worldtrade.narc",
+    "graphic/dendou_demo.narc",
+    "arc/encdata_ex.narc",
+    "data/mmodel/fldeff.narc",
+    "battle/graphic/vs_demo_gra.narc",
+    "poketool/pokezukan.narc",
+    "arc/bm_anime.narc",
+    "arc/bm_anime_list.narc",
+    "graphic/field_encounteffect.narc",
+    "graphic/waza_oshie_gra.narc",
+    "poketool/pokeanm/pokeanm.narc",
+    "fielddata/pokemon_trade/fld_trade.narc",
+    "graphic/mystery.narc",
+    "poketool/pokegra/otherpoke.narc",
+    "demo/egg/data/egg_data.narc",
+    "demo/egg/data/particle/egg_demo_particle.narc",
+    "arc/ship_demo.narc",
+    "poketool/pokegra/height_o.narc",
+    "graphic/nutmixer.narc",
+    "graphic/btower.narc",
+    "demo/shinka/data/particle/shinka_demo_particle.narc",
+    "demo/intro/intro.narc",
+    "arc/tv.narc",
+    "graphic/ending.narc",
+    "demo/title/op_demo.narc",
+    "application/wifi_earth/wifi_earth.narc",
+    "graphic/ranking.narc",
+    "arc/ppark.narc",
+    "demo/syoujyou/syoujyou.narc",
+    "data/slot.narc",
+    "battle/b_tower/btdtr.narc",
+    "battle/b_tower/btdpm.narc",
+    "demo/intro/intro_tv.narc",
+    "poketool/trmsg/trtblofs.narc",
+    "poketool/pokegra/poke_yofs.narc",
+    "application/zukanlist/zkn_data/zukan_enc_diamond.narc",
+    "application/zukanlist/zkn_data/zukan_enc_pearl.narc",
+    "graphic/hiden_effect.narc",
+    "poketool/pokegra/poke_shadow.narc",
+    "fielddata/encountdata/p_enc_data.narc",
+    "poketool/pokegra/poke_shadow_ofx.narc",
+    "poketool/shinzukan.narc",
+};
+
+THUMB_FUNC void ReadNARCFile(void * dest, const char * path, s32 file_idx, u32 offset, u32 size)
+{
+    FSFile file;
+    register u32 chunk_starts[3];
+    u32 btnf_size = 0;
+    u32 chunk_size = 0;
+    u32 file_start = 0;
+    u32 file_end = 0;
+    u16 num_files = 0;
+
+    FS_InitFile(&file);
+    FS_OpenFile(&file, path);
+
+    FS_SeekFile(&file, 12, FS_SEEK_SET);
+    FS_ReadFile(&file, &chunk_size, 2);
+    chunk_starts[0] = chunk_size;
+    FS_SeekFile(&file, chunk_starts[0] + 4, FS_SEEK_SET);
+    FS_ReadFile(&file, &chunk_size, 4);
+    FS_ReadFile(&file, &num_files, 2);
+    if (num_files <= file_idx)
+        ErrorHandling();
+    chunk_starts[1] = chunk_starts[0] + chunk_size;
+    FS_SeekFile(&file, chunk_starts[1] + 4, FS_SEEK_SET);
+    FS_ReadFile(&file, &chunk_size, 4);
+    btnf_size = chunk_size;
+    FS_SeekFile(&file, chunk_starts[0] + 12 + 8 * file_idx, FS_SEEK_SET);
+    FS_ReadFile(&file, &file_start, 4);
+    FS_ReadFile(&file, &file_end, 4);
+    chunk_starts[2] = chunk_starts[1] + btnf_size;
+    FS_SeekFile(&file, chunk_starts[2] + 8 + file_start + offset, FS_SEEK_SET);
+    if (size == 0)
+        chunk_size = file_end - file_start;
+    else
+        chunk_size = size;
+    if (chunk_size == 0)
+        ErrorHandling();
+    FS_ReadFile(&file, dest, chunk_size);
+    FS_CloseFile(&file);
+}
+
+THUMB_FUNC void * LoadFileIntoMemory(const char * path, s32 file_idx, u32 heap_id, u32 offset, u32 size, BOOL r4)
+{
+    FSFile file;
+    register u32 chunk_starts[3];
+    u32 btnf_size = 0;
+    u32 chunk_size = 0;
+    u32 file_start = 0;
+    u32 file_end = 0;
+    u16 num_files = 0;
+    void * dest = NULL;
+
+    FS_InitFile(&file);
+    FS_OpenFile(&file, path);
+
+    FS_SeekFile(&file, 12, FS_SEEK_SET);
+    FS_ReadFile(&file, &chunk_size, 2);
+    chunk_starts[0] = chunk_size;
+    FS_SeekFile(&file, chunk_starts[0] + 4, FS_SEEK_SET);
+    FS_ReadFile(&file, &chunk_size, 4);
+    FS_ReadFile(&file, &num_files, 2);
+    if (num_files <= file_idx)
+        ErrorHandling();
+    chunk_starts[1] = chunk_starts[0] + chunk_size;
+    FS_SeekFile(&file, chunk_starts[1] + 4, FS_SEEK_SET);
+    FS_ReadFile(&file, &chunk_size, 4);
+    btnf_size = chunk_size;
+    FS_SeekFile(&file, chunk_starts[0] + 12 + 8 * file_idx, FS_SEEK_SET);
+    FS_ReadFile(&file, &file_start, 4);
+    FS_ReadFile(&file, &file_end, 4);
+    chunk_starts[2] = chunk_starts[1] + btnf_size;
+    FS_SeekFile(&file, chunk_starts[2] + 8 + file_start + offset, FS_SEEK_SET);
+    if (size == 0)
+        chunk_size = file_end - file_start;
+    else
+        chunk_size = size;
+    if (chunk_size == 0)
+        ErrorHandling();
+    switch (r4)
+    {
+    case 0:
+        dest = FUN_02016998(heap_id, chunk_size);
+        break;
+    default:
+        dest = FUN_020169D8(heap_id, chunk_size);
+        break;
+    }
+    FS_ReadFile(&file, dest, chunk_size);
+    FS_CloseFile(&file);
+    return dest;
+}
+
+THUMB_FUNC void LoadFromNARC(void * dest, s32 narc_id, s32 file_id)
+{
+    ReadNARCFile(dest, UNK_021058A0[narc_id], file_id, 0, 0);
+}
+
+THUMB_FUNC void * LoadFromNarc_2(s32 narc_id, s32 file_id, u32 heap_id)
+{
+    return LoadFileIntoMemory(UNK_021058A0[narc_id], file_id, heap_id, 0, 0, FALSE);
+}
+
+THUMB_FUNC void * FUN_02006528(s32 narc_id, s32 file_id, u32 heap_id)
+{
+    return LoadFileIntoMemory(UNK_021058A0[narc_id], file_id, heap_id, 0, 0, TRUE);
+}
+
+THUMB_FUNC void FUN_02006548(void * dest, s32 narc_id, s32 file_id, u32 offset, u32 size)
+{
+    ReadNARCFile(dest, UNK_021058A0[narc_id], file_id, offset, size);
+}
+
+THUMB_FUNC void * FUN_02006564(s32 narc_id, s32 file_id, u32 heap_id, u32 offset, u32 size)
+{
+    return LoadFileIntoMemory(UNK_021058A0[narc_id], file_id, heap_id, offset, size, FALSE);
+}
+
+THUMB_FUNC void * FUN_02006584(s32 narc_id, s32 file_id, u32 heap_id, u32 offset, u32 size)
+{
+    return LoadFileIntoMemory(UNK_021058A0[narc_id], file_id, heap_id, offset, size, TRUE);
+}
+
+THUMB_FUNC u32 LoadFromNARC_7(s32 narc_id, s32 file_idx)
+{
+    FSFile file;
+    register u32 chunk_starts[3];
+    u32 btnf_size = 0;
+    u32 chunk_size = 0;
+    u32 file_start = 0;
+    u32 file_end = 0;
+    u16 num_files = 0;
+
+    FS_InitFile(&file);
+    FS_OpenFile(&file, UNK_021058A0[narc_id]);
+
+    FS_SeekFile(&file, 12, FS_SEEK_SET);
+    FS_ReadFile(&file, &chunk_size, 2);
+    chunk_starts[0] = chunk_size;
+    FS_SeekFile(&file, chunk_starts[0] + 4, FS_SEEK_SET);
+    FS_ReadFile(&file, &chunk_size, 4);
+    FS_ReadFile(&file, &num_files, 2);
+    if (num_files <= file_idx)
+        ErrorHandling();
+    chunk_starts[1] = chunk_starts[0] + chunk_size;
+    FS_SeekFile(&file, chunk_starts[1] + 4, FS_SEEK_SET);
+    FS_ReadFile(&file, &chunk_size, 4);
+    btnf_size = chunk_size;
+    FS_SeekFile(&file, chunk_starts[0] + 12 + 8 * file_idx, FS_SEEK_SET);
+    FS_ReadFile(&file, &file_start, 4);
+    FS_ReadFile(&file, &file_end, 4);
+    chunk_starts[2] = chunk_starts[1] + btnf_size;
+    FS_SeekFile(&file, chunk_starts[2] + 8 + file_start + 0, FS_SEEK_SET);
+    chunk_size = file_end - file_start;
+    if (chunk_size == 0)
+        ErrorHandling();
+    // Bug: File is never closed
+    return chunk_size;
+}
+
+struct NARC
+{
+    FSFile file;
+    u32 btaf_start;
+    u32 gmif_start;
+    u16 num_files;
+};
+
+THUMB_FUNC struct NARC * FUN_02006670(s32 narc_id, u32 heap_id)
+{
+    struct NARC * narc = (struct NARC *)FUN_02016998(heap_id, sizeof(struct NARC));
+    u32 btnf_start;
+    u32 chunk_size;
+    if (narc != NULL)
+    {
+        narc->btaf_start = 0;
+        FS_InitFile(&narc->file);
+        FS_OpenFile(&narc->file, UNK_021058A0[narc_id]);
+        FS_SeekFile(&narc->file, 12, FS_SEEK_SET);
+        FS_ReadFile(&narc->file, &narc->btaf_start, 2);
+        FS_SeekFile(&narc->file, narc->btaf_start + 4, FS_SEEK_SET);
+        FS_ReadFile(&narc->file, &chunk_size, 4);
+        FS_ReadFile(&narc->file, &narc->num_files, 2);
+        btnf_start = narc->btaf_start + chunk_size;
+        FS_SeekFile(&narc->file, btnf_start + 4, FS_SEEK_SET);
+        FS_ReadFile(&narc->file, &chunk_size, 4);
+        narc->gmif_start = btnf_start + chunk_size;
+    }
+    return narc;
+}
+
+THUMB_FUNC void FUN_020066F4(struct NARC * narc)
+{
+    FS_CloseFile(&narc->file);
+    FUN_02016A18(narc); // free to heap
+}
+
+THUMB_FUNC void * FUN_02006704(struct NARC * narc, u32 file_id, u32 heap_id)
+{
+    u32 file_start;
+    u32 file_end;
+    void * dest;
+    if (narc->num_files <= file_id)
+        ErrorHandling();
+    FS_SeekFile(&narc->file, narc->btaf_start + 12 + 8 * file_id, FS_SEEK_SET);
+    FS_ReadFile(&narc->file, &file_start, 4);
+    FS_ReadFile(&narc->file, &file_end, 4);
+    FS_SeekFile(&narc->file, narc->gmif_start + 8 + file_start, FS_SEEK_SET);
+    dest = FUN_02016998(heap_id, file_end - file_start);
+    if (dest != NULL)
+    {
+        FS_ReadFile(&narc->file, dest, file_end - file_start);
+    }
+    return dest;
+}
+
+THUMB_FUNC void FUN_02006774(struct NARC * narc, u32 file_id, void * dest)
+{
+    u32 file_start;
+    u32 file_end;
+    if (narc->num_files <= file_id)
+        ErrorHandling();
+    FS_SeekFile(&narc->file, narc->btaf_start + 12 + 8 * file_id, FS_SEEK_SET);
+    FS_ReadFile(&narc->file, &file_start, 4);
+    FS_ReadFile(&narc->file, &file_end, 4);
+    FS_SeekFile(&narc->file, narc->gmif_start + 8 + file_start, FS_SEEK_SET);
+    FS_ReadFile(&narc->file, dest, file_end - file_start);
+}
+
+THUMB_FUNC u32 FUN_020067D0(struct NARC * narc, u32 file_id)
+{
+    u32 file_start;
+    u32 file_end;
+    if (narc->num_files <= file_id)
+        ErrorHandling();
+    FS_SeekFile(&narc->file, narc->btaf_start + 12 + 8 * file_id, FS_SEEK_SET);
+    FS_ReadFile(&narc->file, &file_start, 4);
+    FS_ReadFile(&narc->file, &file_end, 4);
+    return file_end - file_start;
+}
+
+THUMB_FUNC void FUN_02006814(struct NARC * narc, u32 file_id, u32 pos, u32 size, void * dest)
+{
+    u32 file_start;
+    if (narc->num_files <= file_id)
+        ErrorHandling();
+    FS_SeekFile(&narc->file, narc->btaf_start + 12 + 8 * file_id, FS_SEEK_SET);
+    FS_ReadFile(&narc->file, &file_start, 4);
+    FS_SeekFile(&narc->file, narc->gmif_start + 8 + file_start + pos, FS_SEEK_SET);
+    FS_ReadFile(&narc->file, dest, size);
+}
+
+THUMB_FUNC void FUN_02006864(struct NARC * narc, u32 size, void * dest)
+{
+    FS_ReadFile(&narc->file, dest, size);
+}
+
+THUMB_FUNC u16 FUN_02006874(struct NARC * narc)
+{
+    return narc->num_files;
+}