Decompile rom6

2 files changed, 211 insertions, 2 deletions

diff --git a/src/item_use.c b/src/item_use.c
index 3b6b286b7..80b33220e 100755
--- a/src/item_use.c
+++ b/src/item_use.c
@@ -912,7 +912,7 @@ void re_escape_rope(u8 taskId)
     DisplayItemMessageOnField(taskId, gStringVar4, task08_080A1C44);
 }
 
-bool8 sub_80FE314(void)
+bool8 CanUseEscapeRopeOnCurrMap(void)
 {
     if (gMapHeader.flags & 2)
         return TRUE;
@@ -922,7 +922,7 @@ bool8 sub_80FE314(void)
 
 void ItemUseOutOfBattle_EscapeRope(u8 taskId)
 {
-    if (sub_80FE314() == TRUE)
+    if (CanUseEscapeRopeOnCurrMap() == TRUE)
     {
         gUnknown_0203A0F4 = re_escape_rope;
         SetUpItemUseOnFieldCallback(taskId);
diff --git a/src/rom6.c b/src/rom6.c
new file mode 100644
index 000000000..4a5c506b6
--- /dev/null
+++ b/src/rom6.c
@@ -0,0 +1,209 @@
+#include "global.h"
+#include "constants/map_objects.h"
+#include "constants/songs.h"
+#include "rom6.h"
+#include "braille_puzzles.h"
+#include "event_data.h"
+#include "event_scripts.h"
+#include "field_effect.h"
+#include "field_map_obj.h"
+#include "field_player_avatar.h"
+#include "item_use.h"
+#include "party_menu.h"
+#include "overworld.h"
+#include "script.h"
+#include "sound.h"
+#include "sprite.h"
+#include "task.h"
+
+// static functions
+static void task08_080C9820(u8 taskId);
+static void sub_8135578(u8 taskId);
+static void sub_813552C(u8 taskId);
+static void sub_813561C(u8 taskId);
+static void sub_81356C4(void);
+static void sub_8135714(void);
+static void hm2_dig(void);
+static void sub_8135780(void);
+
+// extern RAM loc
+extern struct MapPosition gUnknown_0203AB40;
+
+// text
+bool8 npc_before_player_of_type(u8 a)
+{
+    u8 mapObjId;
+
+    GetXYCoordsOneStepInFrontOfPlayer(&gUnknown_0203AB40.x, &gUnknown_0203AB40.y);
+    gUnknown_0203AB40.height = PlayerGetZCoord();
+    mapObjId = GetFieldObjectIdByXYZ(gUnknown_0203AB40.x, gUnknown_0203AB40.y, gUnknown_0203AB40.height);
+    if (gMapObjects[mapObjId].graphicsId != a)
+    {
+        return FALSE;
+    }
+    else
+    {
+        gSpecialVar_LastTalked = gMapObjects[mapObjId].localId;
+        return TRUE;
+    }
+}
+
+u8 oei_task_add(void)
+{
+    GetXYCoordsOneStepInFrontOfPlayer(&gUnknown_0203AB40.x, &gUnknown_0203AB40.y);
+    return CreateTask(task08_080C9820, 8);
+}
+
+static void task08_080C9820(u8 taskId)
+{
+    u8 mapObjId;
+
+    ScriptContext2_Enable();
+    gPlayerAvatar.preventStep = TRUE;
+    mapObjId = gPlayerAvatar.mapObjectId;
+    if (!FieldObjectIsSpecialAnimOrDirectionSequenceAnimActive(&gMapObjects[mapObjId])
+     || FieldObjectClearAnimIfSpecialAnimFinished(&gMapObjects[mapObjId]))
+    {
+        if (gMapHeader.mapType == MAP_TYPE_UNDERWATER)
+        {
+            FieldEffectStart(FLDEFF_FIELD_MOVE_SHOW_MON_INIT);
+            gTasks[taskId].func = sub_8135578;
+        }
+        else
+        {
+            sub_808C114();
+            FieldObjectSetSpecialAnim(&gMapObjects[mapObjId], 0x39);
+            gTasks[taskId].func = sub_813552C;
+        }
+    }
+}
+
+static void sub_813552C(u8 taskId)
+{
+    if (FieldObjectCheckIfSpecialAnimFinishedOrInactive(&gMapObjects[gPlayerAvatar.mapObjectId]) == TRUE)
+    {
+        FieldEffectStart(FLDEFF_FIELD_MOVE_SHOW_MON_INIT);
+        gTasks[taskId].func = sub_8135578;
+    }
+}
+
+static void sub_8135578(u8 taskId)
+{
+    if (!FieldEffectActiveListContains(6))
+    {
+        gFieldEffectArguments[1] = player_get_direction_lower_nybble();
+        if (gFieldEffectArguments[1] == 1)
+            gFieldEffectArguments[2] = 0;
+        if (gFieldEffectArguments[1] == 2)
+            gFieldEffectArguments[2] = 1;
+        if (gFieldEffectArguments[1] == 3)
+            gFieldEffectArguments[2] = 2;
+        if (gFieldEffectArguments[1] == 4)
+            gFieldEffectArguments[2] = 3;
+        FieldObjectSetGraphicsId(&gMapObjects[gPlayerAvatar.mapObjectId], GetPlayerAvatarGraphicsIdByCurrentState());
+        StartSpriteAnim(&gSprites[gPlayerAvatar.spriteId], gFieldEffectArguments[2]);
+        FieldEffectActiveListRemove(6);
+        gTasks[taskId].func = sub_813561C;
+    }
+}
+
+static void sub_813561C(u8 taskId)
+{
+    void (*func)(void) = (void (*)(void))(((u16)gTasks[taskId].data[8] << 16) | (u16)gTasks[taskId].data[9]);
+
+    func();
+    gPlayerAvatar.preventStep = FALSE;
+    DestroyTask(taskId);
+}
+
+bool8 SetUpFieldMove_RockSmash(void)
+{
+    if(ShouldDoBrailleStrengthEffect())
+    {
+        gSpecialVar_Result = GetCursorSelectionMonId();
+        gUnknown_03005DB0 = FieldCallback_Teleport;
+        gUnknown_0203CEEC = sub_8179834;
+        return TRUE;
+    }
+    else if (npc_before_player_of_type(0x56) == TRUE)
+    {
+        gUnknown_03005DB0 = FieldCallback_Teleport;
+        gUnknown_0203CEEC = sub_81356C4;
+        return TRUE;
+    }
+    else
+    {
+        return FALSE;
+    }
+}
+
+static void sub_81356C4(void)
+{
+    gFieldEffectArguments[0] = GetCursorSelectionMonId();
+    ScriptContext1_SetupScript(Route111_EventScript_2907F0);
+}
+
+bool8 FldEff_UseRockSmash(void)
+{
+    u8 taskId = oei_task_add();
+
+    gTasks[taskId].data[8] = (u32)sub_8135714 >> 16;
+    gTasks[taskId].data[9] = (u32)sub_8135714;
+    IncrementGameStat(GAME_STAT_USED_ROCK_SMASH);
+    return FALSE;
+}
+
+static void sub_8135714(void)
+{
+    PlaySE(SE_W088);
+    FieldEffectActiveListRemove(FLDEFF_USE_ROCK_SMASH);
+    EnableBothScriptContexts();
+}
+
+bool8 SetUpFieldMove_Dig(void)
+{
+    if (CanUseEscapeRopeOnCurrMap() == TRUE)
+    {
+        gUnknown_03005DB0 = FieldCallback_Teleport;
+        gUnknown_0203CEEC = hm2_dig;
+        return TRUE;
+    }
+    else
+    {
+        return FALSE;
+    }
+}
+
+static void hm2_dig(void)
+{
+    Overworld_ResetStateAfterDigEscRope();
+    FieldEffectStart(FLDEFF_USE_DIG);
+    gFieldEffectArguments[0] = GetCursorSelectionMonId();
+}
+
+bool8 FldEff_UseDig(void)
+{
+    u8 taskId = oei_task_add();
+
+    gTasks[taskId].data[8] = (u32)sub_8135780 >> 16;
+    gTasks[taskId].data[9] = (u32)sub_8135780;
+    if (!ShouldDoBrailleDigEffect())
+        SetPlayerAvatarTransitionFlags(1);
+    return FALSE;
+}
+
+static void sub_8135780(void)
+{
+    u8 taskId;
+
+    FieldEffectActiveListRemove(FLDEFF_USE_DIG);
+    if (ShouldDoBrailleDigEffect())
+    {
+        DoBrailleDigEffect();
+    }
+    else
+    {
+        taskId = CreateTask(task08_080A1C44, 8);
+        gTasks[taskId].data[0] = 0;
+    }
+}