tag fake item box and whatever func_800696CC is

src/actors/fake_item_box/render.inc.c

@@ -2,6 +2,7 @@
 #include <code_800029B0.h>
 #include <libultra/gbi.h>
 #include <main.h>
+#include "port/interpolation/FrameInterpolation.h"
 
 /**
  * @brief Renders the fake item box actor.
@@ -24,6 +25,9 @@ void render_actor_fake_item_box(Camera* camera, struct FakeItemBox* fakeItemBox)
     f32 temp_f2_2;
     f32 someMultiplier;
 
+    // @port: Tag the transform.
+    FrameInterpolation_RecordOpenChild(TAG_ITEM_ADDR(fakeItemBox), 0);
+
     if (is_within_render_distance(camera->pos, fakeItemBox->pos, camera->rot[1], 2500.0f, gCameraZoom[camera - camera1],
                                   1000000.0f) < 0 &&
         CVarGetInteger("gNoCulling", 0) == 0) {
@@ -163,4 +167,6 @@ void render_actor_fake_item_box(Camera* camera, struct FakeItemBox* fakeItemBox)
         gSPDisplayList(gDisplayListHead++, D_0D0030F8);
         gSPSetGeometryMode(gDisplayListHead++, G_CULL_BACK);
     }
+    // @port Pop the transform id.
+    FrameInterpolation_RecordCloseChild();
 }

src/actors/item_box/render.inc.c

@@ -3,7 +3,7 @@
 #include <macros.h>
 #include "port/interpolation/FrameInterpolation.h"
 
-#define TAG_ITEM_ADDR(x) ((u32) 0x10000000 | (u32) x)
+
 
 /**
  * @brief Renders the item box actor.