Actor cleanup (#32)

* Actor cleanup

---------

Co-authored-by: elijah-thomas774 <elijahthomas774@gmail.com>

include/d/a/obj/d_a_obj_base.h

@@ -128,6 +128,8 @@ protected:
 };
 
 // Actors' createHeap functions often have patterns that can be matched with this macro
-#define TRY_CREATE(thing) do { bool result = (thing); if (!result) return result; } while (0);
+#define TRY_CREATE(thing) do { bool result = (thing); if (!result) return result; } while (0)
+
+#define CREATE_ALLOCATOR(className) do { if (!initAllocatorWork1Heap(-1, #className "::m_allocator", 0x20)) { return FAILED; } } while (0)
 
 #endif

include/m/m3d/m_shadow.h

@@ -127,7 +127,7 @@ public:
     void draw(const mMtx_c &, u32);
     void afterDraw();
 
-    EGG::FrmHeap *changeHeap(int index) {
+    void changeHeap(int index) {
         mCurrentHeapIdx = index % 2;
         mpCurrentHeap = mpFrmHeaps[mCurrentHeapIdx];
     }