some scene/overlap documentation and fixes

include/d/d_procname.h

@@ -505,6 +505,8 @@ enum {
     PROC_PB                  = 0x01F4,
     PROC_GAMEOVER            = 0x01F5,
     PROC_COUNT_e,
+
+    PROC_INVALID_e           = 0x7FFF,
 };
 
 #endif /* D_PROCNAME_H */

include/f_op/f_op_scene_req.h

@@ -13,7 +13,7 @@ void fopScnRq_ReRequest(void);
 class scene_request_class {
 public:
     node_create_request mCrtReq;
-    u32 mFadeRequest;  // TODO: type is wrong
+    scene_request_class* mFadeRequest;
     request_of_phase_process_class mReqPhsProcCls;
     u8 field_0x70[4];
 };