d_a_npc / d_a_tag_mhint / d_a_grass work (#1916)

* some npc work / cleanup

* tag_mhint / grass work

* fix path / remove asm

include/d/cc/d_cc_mass_s.h

@@ -41,6 +41,7 @@ public:
     void SetCoHitObj(cCcD_Obj* obj) { mpCoObj = obj; }
     void SetAtHitObj(cCcD_Obj* obj) { mpAtObj = obj; }
     void SetCoHitLen(f32 len) { mCoHitLen = len; }
+    cCcD_Obj* GetAtHitObj() const { return mpAtObj; }
 };
 
 class dCcMassS_Mng {

include/d/cc/d_cc_s.h

@@ -46,10 +46,10 @@ public:
     /* 80086754 */ virtual void CalcParticleAngle(dCcD_GObjInf*, cCcD_Stts*, cCcD_Stts*, csXyz*);
 
     void SetMass(cCcD_Obj* i_obj, u8 i_priority) { mMass_Mng.Set(i_obj, i_priority); }
+    void PrepareMass() { mMass_Mng.Prepare(); }
 
     static u8 m_mtrl_hit_tbl[64];
 
-private:
     // /* 0x0000 */ cCcS mCCcS;
     /* 0x284C */ dCcMassS_Mng mMass_Mng;
 };  // Size = 0x2AC4