Decompile MainSelect overlay (#8)

* Decompile MainSelect overlay (~90%)

* cleanup

* jp delinks

* fixed build and linking errors

include/iterator.hpp

@@ -0,0 +1,78 @@
+#pragma once
+
+#include "System/SysNew.hpp"
+#include "types.h"
+
+struct stack_struct1 {
+    void *param1;
+    int param2;
+};
+
+template <typename T, int arrayLength> class Iterator {
+public:
+    class ListData : public SysObject {
+    public:
+        u8 data[sizeof(T) * arrayLength];
+    };
+
+    ListData *begin;
+    ListData *end;
+
+    Iterator() {}
+
+    ~Iterator() {
+        this->Destroy();
+    }
+
+    void Init(stack_struct1 *param1) {
+        if (this->begin != this->end) {
+            T *it = (T *) this->end;
+
+            do {
+                (--it)->~T();
+            } while (it != (T *) this->begin);
+
+            delete this->begin;
+        }
+
+        ListData *ptr = new(HeapIndex_1) ListData();
+        this->begin   = ptr;
+        this->end     = ptr + (arrayLength - 1);
+
+        if (this->begin != this->end) {
+            T *it = (T *) this->begin;
+            stack_struct1 *p;
+
+            do {
+                if (it != NULL) {
+                    it->Init(*p);
+                }
+
+                it++;
+                p++;
+            } while (it != (T *) this->end);
+        }
+    }
+
+    void Destroy() {
+        if (this->begin != this->end) {
+            T *it = (T *) this->end;
+
+            do {
+                (--it)->~T();
+            } while (it != (T *) this->begin);
+
+            delete this->begin;
+        }
+    }
+
+    void Reset() {
+        this->Destroy();
+        this->begin = NULL;
+        this->end   = NULL;
+    }
+
+    T &GetRef(int index) {
+        return ((T *) this->begin)[index];
+    }
+};