[WIP} Start decomp Ground Shake

1 files changed, 85 insertions, 0 deletions

diff --git a/src/fldeff_groundshake.c b/src/fldeff_groundshake.c
new file mode 100644
index 000000000..a4b36e539
--- /dev/null
+++ b/src/fldeff_groundshake.c
@@ -0,0 +1,85 @@
+#include "global.h"
+#include "constants/flags.h"
+#include "constants/songs.h"
+#include "event_data.h"
+#include "fldeff_groundshake.h"
+#include "malloc.h"
+#include "menu.h"
+#include "party_menu.h"
+#include "pokemon.h"
+#include "random.h"
+#include "sound.h"
+#include "sprite.h"
+#include "string_util.h"
+#include "strings.h"
+#include "task.h"
+
+bool8 sub_81BE66C(void)
+{
+    if (!(gSaveBlock1Ptr->location.mapGroup == 0x0 && gSaveBlock1Ptr->location.mapNum == 0x1A))
+        return 0;
+    return FlagGet(FLAG_0x14E);
+}
+
+void sub_81BE698(u8 taskId)
+{
+    sub_8151E50(&(gUnknown_0203CF18->unk4));
+}
+
+void sub_81BE6AC(void)
+{
+    gUnknown_0203CF18 = NULL;
+}
+
+void sub_81BE6B8(void)
+{
+    if(gUnknown_0203CF18 != NULL)
+    {
+        gUnknown_0203CF18 = NULL;
+        return;
+    }
+    if(!(gSaveBlock1Ptr->location.mapGroup == 0x0 && gSaveBlock1Ptr->location.mapNum == 0x1A) || !FlagGet(FLAG_0x14E))
+        return;
+
+    gUnknown_0203CF18 = (struct Struct203CF18 *)AllocZeroed(sizeof(struct Struct203CF18));
+    sub_8151B3C(&(gUnknown_0203CF18->unk4));
+    sub_8151B68(&(gUnknown_0203CF18->unk4), gUnknown_08617E18);
+    sub_8151CA8(&(gUnknown_0203CF18->unk4), 1, 1);
+    gUnknown_0203CF18->taskId = CreateTask(sub_81BE698, 0xFF);
+}
+
+void sub_81BE72C(void)
+{
+    if(!(gSaveBlock1Ptr->location.mapGroup == 0x0 && gSaveBlock1Ptr->location.mapNum == 0x1A) || !FlagGet(FLAG_0x14E) || gUnknown_0203CF18 == NULL)
+        return;
+    if(FuncIsActiveTask(sub_81BE698))
+        DestroyTask(gUnknown_0203CF18->taskId);
+    sub_8151D28(&(gUnknown_0203CF18->unk4), 1, 1);
+    sub_8151C50(&(gUnknown_0203CF18->unk4), 1, 1);
+    Free(gUnknown_0203CF18);
+    gUnknown_0203CF18 = NULL;
+}
+
+void sub_81BE79C(void)
+{
+    u16 rand;
+    bool8 chance;
+
+    if(VarGet(VAR_0x40CB) != 0)
+    {
+        FlagClear(FLAG_0x14E);
+        return;
+    }
+    rand = Random();
+    chance = rand & 1;
+    if(FlagGet(FLAG_0x09D) == TRUE)
+        chance = TRUE;
+    if(chance)
+    {
+        FlagSet(FLAG_0x14E);
+        sub_81BE6B8();
+        return;
+    }
+    FlagClear(FLAG_0x14E);
+}
+