Try an operator overload

include/d/a/npc/d_a_npc.h

@@ -87,8 +87,7 @@ public:
 
     /* 0x0C */ virtual void calc() override;
     /* 0x10 */ virtual bool isDone() override {
-        // TODO - this matches, but maybe an operator overload?
-        return mCurrent.x == mTarget.x && mCurrent.y == mTarget.y && mCurrent.z == mTarget.z;
+        return mCurrent == mTarget;
     }
     /* 0x20 */ virtual void vt_0x20(const dAcBase_c *) {}
 };

include/m/m_angle.h

@@ -150,6 +150,10 @@ public:
         return *this;
     }
 
+    bool operator==(const mAng3_c &other) const {
+        return x == other.x && y == other.y && z == other.z;
+    }
+
     void set(const mAng3_c &other) {
         set(other.x, other.y, other.z);
     }