Refactor MxList cursors (#313)

* LegoWorldList

* Refactor list cursors

* Add decomp markers for list cursors

* Fix decomp markers

* MxRegionListCursor edit to prevent accuracy drop

* Better fix for MxRegionListCursor

LEGO1/legoworldlist.h

@@ -0,0 +1,27 @@
+#ifndef LEGOWORLDLIST_H
+#define LEGOWORLDLIST_H
+
+#include "mxlist.h"
+#include "mxtypes.h"
+
+class LegoWorld;
+
+// VTABLE: LEGO1 0x100d8700
+// class MxCollection<LegoWorld *>
+
+// VTABLE: LEGO1 0x100d8718
+// class MxList<LegoWorld *>
+
+// VTABLE: LEGO1 0x100d8730
+// class MxPtrList<LegoWorld>
+
+// VTABLE: LEGO1 0x100d8680
+// SIZE 0x18
+class LegoWorldList : public MxPtrList<LegoWorld> {
+public:
+	LegoWorldList() : MxPtrList<LegoWorld>(Destroy) {}
+	virtual MxS8 Compare(LegoWorld*, LegoWorld*) override; // vtable+0x14
+	static void Destroy(LegoWorld*);
+};
+
+#endif // LEGOWORLDLIST_H