Add MxList, MxPresenterList, add to MxMediaManager (#122)

* Add MxList, MxPresenterList, add to MxMediaManager

* Match ~MxList<T>

LEGO1/mxlist.h

@@ -0,0 +1,83 @@
+#ifndef MXLIST_H
+#define MXLIST_H
+
+#include "mxtypes.h"
+#include "mxcore.h"
+
+template <class T>
+class MxListEntry
+{
+public:
+  MxListEntry<T>() {}
+  MxListEntry<T>(T *p_obj) {
+    m_obj = p_obj;
+    m_prev = NULL;
+    m_next = NULL;
+  }
+
+  T *m_obj;
+  MxListEntry *m_prev;
+  MxListEntry *m_next;
+};
+
+// VTABLE 0x100d6350
+// SIZE 0x10
+template <class T>
+class MxListParent : public MxCore
+{
+public:
+  MxListParent() {
+    m_count = 0;
+    m_customDestructor = Destroy;
+  }
+  // OFFSET: LEGO1 0x1001cdd0
+  virtual ~MxListParent() {}
+
+  // OFFSET: LEGO1 0x1001cd30
+  static void Destroy(T *) {};
+
+  // OFFSET: LEGO1 0x1001cd20
+  virtual MxS8 Compare(T *, T *) = 0;
+
+protected:
+  MxU32 m_count;                   // +0x8
+  void (*m_customDestructor)(T *); // +0xc
+};
+
+// VTABLE 0x100d6368
+// SIZE 0x18
+template <class T>
+class MxList : protected MxListParent<T>
+{
+public:
+  MxList() {
+    m_last = NULL;
+    m_first = NULL;
+  }
+
+  virtual ~MxList();
+protected:
+  MxListEntry<T> *m_first; // +0x10
+  MxListEntry<T> *m_last;  // +0x14
+};
+
+template <class T>
+// OFFSET: LEGO1 0x1001ce20
+MxList<T>::~MxList()
+{
+  for (MxListEntry<T> *t = m_first;;) {
+    if (!t)
+      break;
+
+    MxListEntry<T> *next = t->m_next;
+    m_customDestructor(t->m_obj);
+    delete t;
+    t = next;
+  }
+
+  m_count = 0;
+  m_last = NULL;
+  m_first = NULL;
+}
+
+#endif // MXLIST_H