Merge pull request #138 from PikalaxALT/pikalax_work

Decompile unk_0204639C

1 files changed, 134 insertions, 0 deletions

diff --git a/arm9/src/unk_0204639C.c b/arm9/src/unk_0204639C.c
new file mode 100644
index 00000000..50aae8fa
--- /dev/null
+++ b/arm9/src/unk_0204639C.c
@@ -0,0 +1,134 @@
+#include "global.h"
+#include "heap.h"
+#include "unk_0204639C.h"
+
+#pragma thumb on
+
+struct UnkStruct_0204639C * FUN_0204639C(struct UnkStruct_0204639C * r5, UnkStruct_0204639C_cb r6, u32 * r7)
+{
+    struct UnkStruct_0204639C * ret = AllocFromHeapAtEnd(32, sizeof(struct UnkStruct_0204639C));
+    ret->unk0 = 0;
+    ret->unk4 = r6;
+    ret->unk8 = 0;
+    ret->unkC = r7;
+    ret->unk10 = NULL;
+    ret->unk14 = NULL;
+    ret->unk18 = r5;
+    ret->unk1C = AllocFromHeapAtEnd(32, 4);
+    return ret;
+}
+
+void FUN_020463CC(struct UnkStruct_0204639C * r5, UnkStruct_0204639C_cb r4, u32 * r6)
+{
+    if (r5->unk10 != NULL)
+        ErrorHandling();
+    r5->unk10 = FUN_0204639C(r5, r4, r6);
+}
+
+void FUN_020463EC(struct UnkStruct_0204639C * r4, UnkStruct_0204639C_cb r1, u32 * r2)
+{
+    r4->unk4 = r1;
+    r4->unk8 = 0;
+    r4->unkC = r2;
+    if (r4->unk14 != NULL || r4->unk14 != NULL)
+    {
+        FreeToHeap(r4->unk14);
+        r4->unk10 = NULL;
+        r4->unk14 = NULL;
+    }
+}
+
+void FUN_0204640C(struct UnkStruct_0204639C * r4, UnkStruct_0204639C_cb r1, u32 * r2)
+{
+    struct UnkStruct_0204639C * r0 = FUN_0204639C(r4->unk18, r1, r2);
+    r0->unk0 = r4;
+    r4->unk18->unk10 = r0;
+}
+
+BOOL FUN_02046420(struct UnkStruct_0204639C * r5)
+{
+    if (r5->unk10 == NULL)
+        return FALSE;
+    while (r5->unk10->unk4(r5->unk10) == TRUE)
+    {
+        struct UnkStruct_0204639C * r4 = r5->unk10->unk0;
+        if (r5->unk10->unk14 != NULL)
+            FreeToHeap(r5->unk10->unk14);
+        FreeToHeap(r5->unk10->unk1C);
+        FreeToHeap(r5->unk10);
+        r5->unk10 = r4;
+        if (r4 == NULL)
+            return TRUE;
+    }
+    return FALSE;
+}
+
+BOOL FUN_0204646C(struct UnkStruct_0204639C * r0)
+{
+    return (r0->unk10 != NULL);
+}
+
+BOOL FUN_0204647C(void * r4)
+{
+    return (FUN_0203739C(r4) || FUN_020373C4(r4));
+}
+
+void FUN_0204649C(void * r0)
+{
+    LoadOverlay_MODULE_05(r0);
+}
+
+BOOL FUN_020464A4(void * r0)
+{
+    return (FUN_020373AC(r0) != FALSE);
+}
+
+BOOL FUN_020464B8(struct UnkStruct_0204639C * r4)
+{
+    struct UnkStruct_0204639C * r5 = FUN_02046528(r4);
+    u32 * r4_2 = FUN_0204652C(r4);
+    switch (r4_2[0])
+    {
+    case 0:
+        FUN_020373D4(r5, r4_2[1], r4_2[2]);
+        r4_2[0]++;
+        break;
+    case 1:
+        if (!FUN_0204647C(r5))
+        {
+            FreeToHeap(r4_2);
+            return TRUE;
+        }
+        break;
+    }
+    return FALSE;
+}
+
+void FUN_02046500(struct UnkStruct_0204639C * r6, u32 r5, u32 r4)
+{
+    u32 * r2 = AllocFromHeapAtEnd(32, 3 * sizeof(u32));
+    r2[0] = 0;
+    r2[1] = r5;
+    r2[2] = r4;
+    FUN_0204640C(r6, FUN_020464B8, r2);
+}
+
+struct UnkStruct_0204639C * FUN_02046528(struct UnkStruct_0204639C * r0)
+{
+    return r0->unk18;
+}
+
+u32 * FUN_0204652C(struct UnkStruct_0204639C * r0)
+{
+    return r0->unkC;
+}
+
+u32 * FUN_02046530(struct UnkStruct_0204639C * r0)
+{
+    return &r0->unk8;
+}
+
+u32 FUN_02046534(struct UnkStruct_0204639C * r0)
+{
+    return *r0->unk1C;
+}