Start decompiling pokenav_unk_4.c

2 files changed, 73 insertions, 9 deletions

diff --git a/src/pokenav.c b/src/pokenav.c
index 734d37c46..fde79682b 100644
--- a/src/pokenav.c
+++ b/src/pokenav.c
@@ -34,7 +34,7 @@ struct UnknownPokenavCallbackStruct
     u32 (*unkC)(void);
     u32 (*unk10)(void);
     void (*unk14)(void);
-    u32 (*unk18)(void);
+    void (*unk18)(void);
 };
 
 extern u32 sub_81C9924(void);
@@ -47,42 +47,39 @@ extern u32 sub_81CC5F4(void);
 extern u32 sub_81CC62C(void);
 extern u32 sub_81CC65C(void);
 extern void sub_81CC524(void);
-extern u32 sub_81CC670(void);
+extern void sub_81CC670(void);
 extern u32 sub_81CCFD8(void);
 extern u32 sub_81CD070(void);
 extern u32 sub_81CDDD4(void);
 extern u32 sub_81CDE2C(void);
 extern u32 sub_81CDE64(void);
 extern void sub_81CD1C0(void);
-extern u32 sub_81CECA0(void);
+extern void sub_81CECA0(void);
 extern u32 sub_81CEF3C(void);
 extern u32 sub_81CEFDC(void);
 extern u32 sub_81CF330(void);
 extern u32 sub_81CF3A0(void);
 extern u32 sub_81CF3D0(void);
 extern void sub_81CEFF0(void);
-extern u32 sub_81CF3F8(void);
+extern void sub_81CF3F8(void);
 extern u32 sub_81CD024(void);
 extern u32 sub_81CEF98(void);
 extern u32 sub_81CF368(void);
-extern u32 sub_81CB260(void);
 extern u32 sub_81CB29C(void);
-extern u32 sub_81CB2CC(void);
-extern u32 sub_81CB2E0(void);
 extern u32 sub_81CF9BC(void);
 extern u32 sub_81CFA34(void);
 extern u32 sub_81CFDD0(void);
 extern u32 sub_81CFE40(void);
 extern u32 sub_81CFE70(void);
 extern void sub_81CFA48(void);
-extern u32 sub_81CFE98(void);
+extern void sub_81CFE98(void);
 extern u32 sub_81D0450(void);
 extern u32 sub_81D04A0(void);
 extern u32 sub_81D0978(void);
 extern u32 sub_81D09B0(void);
 extern u32 sub_81D09E0(void);
 extern void sub_81D04B8(void);
-extern u32 sub_81D09F4(void);
+extern void sub_81D09F4(void);
 extern u32 sub_81CFA04(void);
 extern u32 sub_81CFE08(void);
 
diff --git a/src/pokenav_unk_4.c b/src/pokenav_unk_4.c
new file mode 100755
index 000000000..c07794126
--- /dev/null
+++ b/src/pokenav_unk_4.c
@@ -0,0 +1,67 @@
+#include "global.h"
+#include "pokenav.h"
+#include "window.h"
+
+struct Pokenav4Struct
+{
+    u32 (*unk0)(void);
+    u32 unk4;
+    u8 filler8[0x8];
+    u8 unk10;
+    u8 filler11[0x1];
+    u8 unk12;
+    u8 filler13[0x1];
+    u8 unk14;
+    u8 filler15[0x4];
+    u8 unk19;
+    u8 filler1A[0x202E];
+};
+
+static bool32 sub_81CB310(void);
+u32 sub_81CB324(int);
+void sub_81CBC1C(void);
+void sub_81CC2B4(void);
+
+extern const LoopedTask gUnknown_08622798[];
+
+bool32 sub_81CB260(void)
+{
+    struct Pokenav4Struct *state = AllocSubstruct(6, sizeof(struct Pokenav4Struct));
+    if (!state)
+        return FALSE;
+
+    state->unk19 = 0;
+    state->unk4 = CreateLoopedTask(sub_81CB324, 1);
+    state->unk0 = sub_81CB310;
+    return TRUE;
+}
+
+void sub_81CB29C(int index)
+{
+    struct Pokenav4Struct *state = GetSubstructPtr(6);
+    state->unk4 = CreateLoopedTask(gUnknown_08622798[index], 1);
+    state->unk0 = sub_81CB310;
+}
+
+u32 sub_81CB2CC(void)
+{
+    struct Pokenav4Struct *state = GetSubstructPtr(6);
+    return state->unk0();
+}
+
+void sub_81CB2E0(void)
+{
+    struct Pokenav4Struct *state = GetSubstructPtr(6);
+    sub_81CC2B4();
+    sub_81CBC1C();
+    RemoveWindow(state->unk12);
+    RemoveWindow(state->unk10);
+    RemoveWindow(state->unk14);
+    FreePokenavSubstruct(6);
+}
+
+static bool32 sub_81CB310(void)
+{
+    struct Pokenav4Struct *state = GetSubstructPtr(6);
+    return IsLoopedTaskActive(state->unk4);
+}