Mark constructors 'explicit' for which coercion makes no sense

contrib/src/ai/aiCharacter.h

@@ -62,7 +62,7 @@ PUBLISHED:
     // This function is used to enable or disable the guides for path finding.
     void set_pf_guide(bool pf_guide);
 
-    AICharacter(string model_name, NodePath model_np, double mass, double movt_force, double max_force);
+    explicit AICharacter(string model_name, NodePath model_np, double mass, double movt_force, double max_force);
     ~AICharacter();
 };
 

contrib/src/ai/aiNode.h

@@ -66,7 +66,7 @@ public:
   AINode *_next;
 
 PUBLISHED:
-  AINode(int grid_x, int grid_y, LVecBase3 pos, float w, float l, float h);
+  explicit AINode(int grid_x, int grid_y, LVecBase3 pos, float w, float l, float h);
   ~AINode();
 
   bool contains(float x, float y);

contrib/src/ai/flock.h

@@ -44,7 +44,7 @@ public:
   AICharList _ai_char_list;
 
 PUBLISHED:
-  Flock(unsigned int flock_id, double vcone_angle, double vcone_radius, unsigned int separation_wt = 2,
+  explicit Flock(unsigned int flock_id, double vcone_angle, double vcone_radius, unsigned int separation_wt = 2,
     unsigned int cohesion_wt = 4, unsigned int alignment_wt = 1);
   ~Flock();
 

direct/src/distributed/cConnectionRepository.h

@@ -55,8 +55,8 @@ class SocketStream;
  */
 class EXPCL_DIRECT CConnectionRepository {
 PUBLISHED:
-  CConnectionRepository(bool has_owner_view = false,
-                        bool threaded_net = false);
+  explicit CConnectionRepository(bool has_owner_view = false,
+                                 bool threaded_net = false);
   ~CConnectionRepository();
 
 /*

direct/src/interval/cConstrainHprInterval.h

@@ -26,9 +26,9 @@
  */
 class EXPCL_DIRECT CConstrainHprInterval : public CConstraintInterval {
 PUBLISHED:
-  CConstrainHprInterval(const string &name, double duration,
-                        const NodePath &node, const NodePath &target,
-                        bool wrt, const LVecBase3 hprOffset=LVector3::zero());
+  explicit CConstrainHprInterval(const string &name, double duration,
+                                 const NodePath &node, const NodePath &target,
+                                 bool wrt, const LVecBase3 hprOffset=LVector3::zero());
 
   INLINE const NodePath &get_node() const;
   INLINE const NodePath &get_target() const;

direct/src/interval/cConstrainPosHprInterval.h

@@ -26,10 +26,10 @@
  */
 class EXPCL_DIRECT CConstrainPosHprInterval : public CConstraintInterval {
 PUBLISHED:
-  CConstrainPosHprInterval(const string &name, double duration,
-                           const NodePath &node, const NodePath &target,
-                           bool wrt, const LVecBase3 posOffset=LVector3::zero(),
-                           const LVecBase3 hprOffset=LVector3::zero());
+  explicit CConstrainPosHprInterval(const string &name, double duration,
+                                    const NodePath &node, const NodePath &target,
+                                    bool wrt, const LVecBase3 posOffset=LVector3::zero(),
+                                    const LVecBase3 hprOffset=LVector3::zero());
 
   INLINE const NodePath &get_node() const;
   INLINE const NodePath &get_target() const;

direct/src/interval/cConstrainPosInterval.h

@@ -25,9 +25,9 @@
  */
 class EXPCL_DIRECT CConstrainPosInterval : public CConstraintInterval {
 PUBLISHED:
-  CConstrainPosInterval(const string &name, double duration,
-                        const NodePath &node, const NodePath &target,
-                        bool wrt, const LVecBase3 posOffset=LVector3::zero());
+  explicit CConstrainPosInterval(const string &name, double duration,
+                                 const NodePath &node, const NodePath &target,
+                                 bool wrt, const LVecBase3 posOffset=LVector3::zero());
 
   INLINE const NodePath &get_node() const;
   INLINE const NodePath &get_target() const;

direct/src/interval/cConstrainTransformInterval.h

@@ -24,9 +24,9 @@
  */
 class EXPCL_DIRECT CConstrainTransformInterval : public CConstraintInterval {
 PUBLISHED:
-  CConstrainTransformInterval(const string &name, double duration,
-                              const NodePath &node, const NodePath &target,
-                              bool wrt);
+  explicit CConstrainTransformInterval(const string &name, double duration,
+                                       const NodePath &node,
+                                       const NodePath &target, bool wrt);
 
   INLINE const NodePath &get_node() const;
   INLINE const NodePath &get_target() const;

direct/src/interval/cLerpAnimEffectInterval.h

@@ -31,8 +31,8 @@
  */
 class EXPCL_DIRECT CLerpAnimEffectInterval : public CLerpInterval {
 PUBLISHED:
-  INLINE CLerpAnimEffectInterval(const string &name, double duration,
-                                 BlendType blend_type);
+  INLINE explicit CLerpAnimEffectInterval(const string &name, double duration,
+                                          BlendType blend_type);
 
   INLINE void add_control(AnimControl *control, const string &name,
                           float begin_effect, float end_effect);

direct/src/interval/cLerpNodePathInterval.h

@@ -25,10 +25,10 @@
  */
 class EXPCL_DIRECT CLerpNodePathInterval : public CLerpInterval {
 PUBLISHED:
-  CLerpNodePathInterval(const string &name, double duration,
-                        BlendType blend_type, bool bake_in_start,
-                        bool fluid,
-                        const NodePath &node, const NodePath &other);
+  explicit CLerpNodePathInterval(const string &name, double duration,
+                                 BlendType blend_type, bool bake_in_start,
+                                 bool fluid,
+                                 const NodePath &node, const NodePath &other);
 
   INLINE const NodePath &get_node() const;
   INLINE const NodePath &get_other() const;

direct/src/interval/cMetaInterval.h

@@ -31,7 +31,7 @@
  */
 class EXPCL_DIRECT CMetaInterval : public CInterval {
 PUBLISHED:
-  CMetaInterval(const string &name);
+  explicit CMetaInterval(const string &name);
   virtual ~CMetaInterval();
 
   enum RelativeStart {

direct/src/interval/hideInterval.h

@@ -23,7 +23,7 @@
  */
 class EXPCL_DIRECT HideInterval : public CInterval {
 PUBLISHED:
-  HideInterval(const NodePath &node, const string &name = string());
+  explicit HideInterval(const NodePath &node, const string &name = string());
 
   virtual void priv_instant();
   virtual void priv_reverse_instant();

direct/src/interval/showInterval.h

@@ -23,7 +23,7 @@
  */
 class EXPCL_DIRECT ShowInterval : public CInterval {
 PUBLISHED:
-  ShowInterval(const NodePath &node, const string &name = string());
+  explicit ShowInterval(const NodePath &node, const string &name = string());
 
   virtual void priv_instant();
   virtual void priv_reverse_instant();

direct/src/interval/waitInterval.h

@@ -23,7 +23,7 @@
  */
 class EXPCL_DIRECT WaitInterval : public CInterval {
 PUBLISHED:
-  INLINE WaitInterval(double duration);
+  INLINE explicit WaitInterval(double duration);
 
   virtual void priv_step(double t);
 

dtool/src/dtoolutil/pandaFileStream.h

@@ -29,7 +29,7 @@
 class EXPCL_DTOOL IFileStream : public istream {
 PUBLISHED:
   INLINE IFileStream();
-  INLINE IFileStream(const char *filename, ios::openmode mode = ios::in);
+  INLINE explicit IFileStream(const char *filename, ios::openmode mode = ios::in);
   INLINE ~IFileStream();
 
   INLINE void open(const char *filename, ios::openmode mode = ios::in);
@@ -57,7 +57,7 @@ private:
 class EXPCL_DTOOL OFileStream : public ostream {
 PUBLISHED:
   INLINE OFileStream();
-  INLINE OFileStream(const char *filename, ios::openmode mode = ios::out);
+  INLINE explicit OFileStream(const char *filename, ios::openmode mode = ios::out);
   INLINE ~OFileStream();
 
   INLINE void open(const char *filename, ios::openmode mode = ios::out);
@@ -86,7 +86,7 @@ private:
 class EXPCL_DTOOL FileStream : public iostream {
 PUBLISHED:
   INLINE FileStream();
-  INLINE FileStream(const char *filename, ios::openmode mode = ios::in);
+  INLINE explicit FileStream(const char *filename, ios::openmode mode = ios::in);
   INLINE ~FileStream();
 
   INLINE void open(const char *filename, ios::openmode mode = ios::in);

dtool/src/prc/configVariable.h

@@ -35,7 +35,7 @@ protected:
                         const string &description, int flags);
 
 PUBLISHED:
-  INLINE ConfigVariable(const string &name);
+  INLINE explicit ConfigVariable(const string &name);
   INLINE ~ConfigVariable();
 
   INLINE const string &get_string_value() const;

dtool/src/prc/encryptStream.h

@@ -34,8 +34,8 @@
 class EXPCL_DTOOLCONFIG IDecryptStream : public istream {
 PUBLISHED:
   INLINE IDecryptStream();
-  INLINE IDecryptStream(istream *source, bool owns_source,
-                        const string &password);
+  INLINE explicit IDecryptStream(istream *source, bool owns_source,
+                                 const string &password);
 
 #if _MSC_VER >= 1800
   INLINE IDecryptStream(const IDecryptStream &copy) = delete;
@@ -69,8 +69,8 @@ private:
 class EXPCL_DTOOLCONFIG OEncryptStream : public ostream {
 PUBLISHED:
   INLINE OEncryptStream();
-  INLINE OEncryptStream(ostream *dest, bool owns_dest,
-                        const string &password);
+  INLINE explicit OEncryptStream(ostream *dest, bool owns_dest,
+                                 const string &password);
 
 #if _MSC_VER >= 1800
   INLINE OEncryptStream(const OEncryptStream &copy) = delete;

dtool/src/prc/streamReader.h

@@ -28,7 +28,7 @@ class EXPCL_DTOOLCONFIG StreamReader {
 public:
   INLINE StreamReader(istream &in);
 PUBLISHED:
-  INLINE StreamReader(istream *in, bool owns_stream);
+  INLINE explicit StreamReader(istream *in, bool owns_stream);
   INLINE StreamReader(const StreamReader &copy);
   INLINE void operator = (const StreamReader &copy);
   INLINE ~StreamReader();

dtool/src/prc/streamWrapper.h

@@ -52,7 +52,7 @@ class EXPCL_DTOOLCONFIG IStreamWrapper : virtual public StreamWrapperBase {
 public:
   INLINE IStreamWrapper(istream *stream, bool owns_pointer);
 PUBLISHED:
-  INLINE IStreamWrapper(istream &stream);
+  INLINE explicit IStreamWrapper(istream &stream);
   ~IStreamWrapper();
 
   INLINE istream *get_istream() const;
@@ -79,7 +79,7 @@ class EXPCL_DTOOLCONFIG OStreamWrapper : virtual public StreamWrapperBase {
 public:
   INLINE OStreamWrapper(ostream *stream, bool owns_pointer, bool stringstream_hack = false);
 PUBLISHED:
-  INLINE OStreamWrapper(ostream &stream);
+  INLINE explicit OStreamWrapper(ostream &stream);
   ~OStreamWrapper();
 
   INLINE ostream *get_ostream() const;
@@ -115,7 +115,7 @@ class EXPCL_DTOOLCONFIG StreamWrapper : public IStreamWrapper, public OStreamWra
 public:
   INLINE StreamWrapper(iostream *stream, bool owns_pointer, bool stringstream_hack = false);
 PUBLISHED:
-  INLINE StreamWrapper(iostream &stream);
+  INLINE explicit StreamWrapper(iostream &stream);
   ~StreamWrapper();
 
   INLINE iostream *get_iostream() const;

dtool/src/prc/streamWriter.h

@@ -30,7 +30,7 @@ class EXPCL_DTOOLCONFIG StreamWriter {
 public:
   INLINE StreamWriter(ostream &out);
 PUBLISHED:
-  INLINE StreamWriter(ostream *out, bool owns_stream);
+  INLINE explicit StreamWriter(ostream *out, bool owns_stream);
   INLINE StreamWriter(const StreamWriter &copy);
   INLINE void operator = (const StreamWriter &copy);
   INLINE ~StreamWriter();

panda/src/audio/audioLoadRequest.h

@@ -32,8 +32,9 @@ public:
   ALLOC_DELETED_CHAIN(AudioLoadRequest);
 
 PUBLISHED:
-  INLINE AudioLoadRequest(AudioManager *audio_manager, const string &filename,
-                          bool positional);
+  INLINE explicit AudioLoadRequest(AudioManager *audio_manager,
+                                   const string &filename,
+                                   bool positional);
 
   INLINE AudioManager *get_audio_manager() const;
   INLINE const string &get_filename() const;

panda/src/bullet/bulletBaseCharacterControllerNode.h

@@ -27,9 +27,8 @@
  *
  */
 class EXPCL_PANDABULLET BulletBaseCharacterControllerNode : public PandaNode {
-
 PUBLISHED:
-  BulletBaseCharacterControllerNode(const char *name="character");
+  explicit BulletBaseCharacterControllerNode(const char *name="character");
 
 public:
   virtual CollideMask get_legal_collide_mask() const;

panda/src/bullet/bulletBoxShape.h

@@ -32,7 +32,7 @@ private:
   INLINE BulletBoxShape() : _shape(NULL) {};
 
 PUBLISHED:
-  BulletBoxShape(const LVecBase3 &halfExtents);
+  explicit BulletBoxShape(const LVecBase3 &halfExtents);
   INLINE BulletBoxShape(const BulletBoxShape &copy);
   INLINE void operator = (const BulletBoxShape &copy);
   INLINE ~BulletBoxShape();

panda/src/bullet/bulletCapsuleShape.h

@@ -24,9 +24,8 @@
  *
  */
 class EXPCL_PANDABULLET BulletCapsuleShape : public BulletShape {
-
 PUBLISHED:
-  BulletCapsuleShape(PN_stdfloat radius, PN_stdfloat height, BulletUpAxis up=Z_up);
+  explicit BulletCapsuleShape(PN_stdfloat radius, PN_stdfloat height, BulletUpAxis up=Z_up);
   INLINE BulletCapsuleShape(const BulletCapsuleShape &copy);
   INLINE void operator = (const BulletCapsuleShape &copy);
   INLINE ~BulletCapsuleShape();

panda/src/bullet/bulletCharacterControllerNode.h

@@ -29,9 +29,9 @@
  *
  */
 class EXPCL_PANDABULLET BulletCharacterControllerNode : public BulletBaseCharacterControllerNode {
-
 PUBLISHED:
-  BulletCharacterControllerNode(BulletShape *shape, PN_stdfloat step_height, const char *name="character");
+  explicit BulletCharacterControllerNode(BulletShape *shape, PN_stdfloat step_height,
+                                         const char *name="character");
   INLINE ~BulletCharacterControllerNode();
 
   void set_linear_movement(const LVector3 &velocity, bool is_local);

panda/src/bullet/bulletConeShape.h

@@ -24,9 +24,8 @@
  *
  */
 class EXPCL_PANDABULLET BulletConeShape : public BulletShape {
-
 PUBLISHED:
-  BulletConeShape(PN_stdfloat radius, PN_stdfloat height, BulletUpAxis up=Z_up);
+  explicit BulletConeShape(PN_stdfloat radius, PN_stdfloat height, BulletUpAxis up=Z_up);
   INLINE BulletConeShape(const BulletConeShape &copy);
   INLINE void operator = (const BulletConeShape &copy);
   INLINE ~BulletConeShape();

panda/src/bullet/bulletConeTwistConstraint.h

@@ -30,12 +30,12 @@ class BulletRigidBodyNode;
 class EXPCL_PANDABULLET BulletConeTwistConstraint : public BulletConstraint {
 
 PUBLISHED:
-  BulletConeTwistConstraint(const BulletRigidBodyNode *node_a,
-                            const TransformState *frame_a);
-  BulletConeTwistConstraint(const BulletRigidBodyNode *node_a,
-                            const BulletRigidBodyNode *node_b,
-                            const TransformState *frame_a,
-                            const TransformState *frame_b);
+  explicit BulletConeTwistConstraint(const BulletRigidBodyNode *node_a,
+                                     const TransformState *frame_a);
+  explicit BulletConeTwistConstraint(const BulletRigidBodyNode *node_a,
+                                     const BulletRigidBodyNode *node_b,
+                                     const TransformState *frame_a,
+                                     const TransformState *frame_b);
   INLINE ~BulletConeTwistConstraint();
 
   void set_limit(int index, PN_stdfloat value);

panda/src/bullet/bulletConvexPointCloudShape.h

@@ -26,10 +26,9 @@
  *
  */
 class EXPCL_PANDABULLET BulletConvexPointCloudShape : public BulletShape {
-
 PUBLISHED:
-  BulletConvexPointCloudShape(const PTA_LVecBase3 &points, LVecBase3 scale=LVecBase3(1.));
-  BulletConvexPointCloudShape(const Geom *geom, LVecBase3 scale=LVecBase3(1.));
+  explicit BulletConvexPointCloudShape(const PTA_LVecBase3 &points, LVecBase3 scale=LVecBase3(1.));
+  explicit BulletConvexPointCloudShape(const Geom *geom, LVecBase3 scale=LVecBase3(1.));
   INLINE BulletConvexPointCloudShape(const BulletConvexPointCloudShape &copy);
   INLINE void operator = (const BulletConvexPointCloudShape &copy);
   INLINE ~BulletConvexPointCloudShape();

panda/src/bullet/bulletCylinderShape.h

@@ -24,10 +24,9 @@
  *
  */
 class EXPCL_PANDABULLET BulletCylinderShape : public BulletShape {
-
 PUBLISHED:
-  BulletCylinderShape(PN_stdfloat radius, PN_stdfloat height, BulletUpAxis up=Z_up);
-  BulletCylinderShape(const LVector3 &half_extents, BulletUpAxis up=Z_up);
+  explicit BulletCylinderShape(PN_stdfloat radius, PN_stdfloat height, BulletUpAxis up=Z_up);
+  explicit BulletCylinderShape(const LVector3 &half_extents, BulletUpAxis up=Z_up);
   INLINE BulletCylinderShape(const BulletCylinderShape &copy);
   INLINE void operator = (const BulletCylinderShape &copy);
   INLINE ~BulletCylinderShape();

panda/src/bullet/bulletDebugNode.h

@@ -23,9 +23,8 @@
  *
  */
 class EXPCL_PANDABULLET BulletDebugNode : public PandaNode {
-
 PUBLISHED:
-  BulletDebugNode(const char *name="debug");
+  explicit BulletDebugNode(const char *name="debug");
   INLINE ~BulletDebugNode();
 
   virtual void draw_mask_changed();

panda/src/bullet/bulletGenericConstraint.h

@@ -31,16 +31,15 @@ class BulletRigidBodyNode;
  *
  */
 class EXPCL_PANDABULLET BulletGenericConstraint : public BulletConstraint {
-
 PUBLISHED:
-  BulletGenericConstraint(const BulletRigidBodyNode *node_a,
-                          const TransformState *frame_a,
-                          bool use_frame_a);
-  BulletGenericConstraint(const BulletRigidBodyNode *node_a,
-                          const BulletRigidBodyNode *node_b,
-                          const TransformState *frame_a,
-                          const TransformState *frame_b,
-                          bool use_frame_a);
+  explicit BulletGenericConstraint(const BulletRigidBodyNode *node_a,
+                                   const TransformState *frame_a,
+                                   bool use_frame_a);
+  explicit BulletGenericConstraint(const BulletRigidBodyNode *node_a,
+                                   const BulletRigidBodyNode *node_b,
+                                   const TransformState *frame_a,
+                                   const TransformState *frame_b,
+                                   bool use_frame_a);
   INLINE ~BulletGenericConstraint();
 
   // Geometry

panda/src/bullet/bulletGhostNode.h

@@ -29,9 +29,8 @@ class BulletShape;
  *
  */
 class EXPCL_PANDABULLET BulletGhostNode : public BulletBodyNode {
-
 PUBLISHED:
-  BulletGhostNode(const char *name="ghost");
+  explicit BulletGhostNode(const char *name="ghost");
   INLINE ~BulletGhostNode();
 
   // Overlapping

panda/src/bullet/bulletHeightfieldShape.h

@@ -28,10 +28,9 @@
  *
  */
 class EXPCL_PANDABULLET BulletHeightfieldShape : public BulletShape {
-
 PUBLISHED:
-  BulletHeightfieldShape(const PNMImage &image, PN_stdfloat max_height, BulletUpAxis up=Z_up);
-  BulletHeightfieldShape(Texture *tex, PN_stdfloat max_height, BulletUpAxis up=Z_up);
+  explicit BulletHeightfieldShape(const PNMImage &image, PN_stdfloat max_height, BulletUpAxis up=Z_up);
+  explicit BulletHeightfieldShape(Texture *tex, PN_stdfloat max_height, BulletUpAxis up=Z_up);
   INLINE BulletHeightfieldShape(const BulletHeightfieldShape &copy);
   INLINE void operator = (const BulletHeightfieldShape &copy);
   INLINE ~BulletHeightfieldShape();

panda/src/bullet/bulletHingeConstraint.h

@@ -29,28 +29,27 @@ class BulletRigidBodyNode;
  * adhering to specified limits.  It's motor can apply angular force to them.
  */
 class EXPCL_PANDABULLET BulletHingeConstraint : public BulletConstraint {
-
 PUBLISHED:
-  BulletHingeConstraint(const BulletRigidBodyNode *node_a,
-                        const LPoint3 &pivot_a,
-                        const LVector3 &axis_a,
-                        bool use_frame_a=false);
-  BulletHingeConstraint(const BulletRigidBodyNode *node_a,
-                        const BulletRigidBodyNode *node_b,
-                        const LPoint3 &pivot_a,
-                        const LPoint3 &pivot_b,
-                        const LVector3 &axis_a,
-                        const LVector3 &axis_b,
-                        bool use_frame_a=false);
-
-  BulletHingeConstraint(const BulletRigidBodyNode *node_a,
-                        const TransformState *ts_a,
-                        bool use_frame_a=false);
-  BulletHingeConstraint(const BulletRigidBodyNode *node_a,
-                        const BulletRigidBodyNode *node_b,
-                        const TransformState *ts_a,
-                        const TransformState *ts_b,
-                        bool use_frame_a=false);
+  explicit BulletHingeConstraint(const BulletRigidBodyNode *node_a,
+                                 const LPoint3 &pivot_a,
+                                 const LVector3 &axis_a,
+                                 bool use_frame_a=false);
+  explicit BulletHingeConstraint(const BulletRigidBodyNode *node_a,
+                                 const BulletRigidBodyNode *node_b,
+                                 const LPoint3 &pivot_a,
+                                 const LPoint3 &pivot_b,
+                                 const LVector3 &axis_a,
+                                 const LVector3 &axis_b,
+                                 bool use_frame_a=false);
+
+  explicit BulletHingeConstraint(const BulletRigidBodyNode *node_a,
+                                 const TransformState *ts_a,
+                                 bool use_frame_a=false);
+  explicit BulletHingeConstraint(const BulletRigidBodyNode *node_a,
+                                 const BulletRigidBodyNode *node_b,
+                                 const TransformState *ts_a,
+                                 const TransformState *ts_b,
+                                 bool use_frame_a=false);
 
   INLINE ~BulletHingeConstraint();
 

panda/src/bullet/bulletMinkowskiSumShape.h

@@ -26,9 +26,8 @@
  *
  */
 class EXPCL_PANDABULLET BulletMinkowskiSumShape : public BulletShape {
-
 PUBLISHED:
-  BulletMinkowskiSumShape(const BulletShape *shape_a, const BulletShape *shape_b);
+  explicit BulletMinkowskiSumShape(const BulletShape *shape_a, const BulletShape *shape_b);
   INLINE BulletMinkowskiSumShape(const BulletMinkowskiSumShape &copy);
   INLINE void operator = (const BulletMinkowskiSumShape &copy);
   INLINE ~BulletMinkowskiSumShape();

panda/src/bullet/bulletMultiSphereShape.h

@@ -26,9 +26,8 @@
  *
  */
 class EXPCL_PANDABULLET BulletMultiSphereShape : public BulletShape {
-
 PUBLISHED:
-  BulletMultiSphereShape(const PTA_LVecBase3 &points, const PTA_stdfloat &radii);
+  explicit BulletMultiSphereShape(const PTA_LVecBase3 &points, const PTA_stdfloat &radii);
   INLINE BulletMultiSphereShape(const BulletMultiSphereShape &copy);
   INLINE void operator = (const BulletMultiSphereShape &copy);
   INLINE ~BulletMultiSphereShape();

panda/src/bullet/bulletPlaneShape.h

@@ -32,7 +32,7 @@ private:
   INLINE BulletPlaneShape() : _shape(NULL) {};
 
 PUBLISHED:
-  BulletPlaneShape(const LVector3 &normal, PN_stdfloat constant);
+  explicit BulletPlaneShape(const LVector3 &normal, PN_stdfloat constant);
   INLINE BulletPlaneShape(const BulletPlaneShape &copy);
   INLINE void operator = (const BulletPlaneShape &copy);
   INLINE ~BulletPlaneShape();

panda/src/bullet/bulletSliderConstraint.h

@@ -28,16 +28,15 @@ class BulletRigidBodyNode;
  *
  */
 class EXPCL_PANDABULLET BulletSliderConstraint : public BulletConstraint {
-
 PUBLISHED:
-  BulletSliderConstraint(const BulletRigidBodyNode *node_a,
-                         const TransformState *frame_a,
-                         bool useFrame_a);
-  BulletSliderConstraint(const BulletRigidBodyNode *node_a,
-                         const BulletRigidBodyNode *node_b,
-                         const TransformState *frame_a,
-                         const TransformState *frame_b,
-                         bool use_frame_a);
+  explicit BulletSliderConstraint(const BulletRigidBodyNode *node_a,
+                                  const TransformState *frame_a,
+                                  bool useFrame_a);
+  explicit BulletSliderConstraint(const BulletRigidBodyNode *node_a,
+                                  const BulletRigidBodyNode *node_b,
+                                  const TransformState *frame_a,
+                                  const TransformState *frame_b,
+                                  bool use_frame_a);
   INLINE ~BulletSliderConstraint();
 
   PN_stdfloat get_linear_pos() const;

panda/src/bullet/bulletSphereShape.h

@@ -31,7 +31,7 @@ private:
   INLINE BulletSphereShape() : _shape(NULL) {};
 
 PUBLISHED:
-  BulletSphereShape(PN_stdfloat radius);
+  explicit BulletSphereShape(PN_stdfloat radius);
   INLINE BulletSphereShape(const BulletSphereShape &copy);
   INLINE void operator = (const BulletSphereShape &copy);
   INLINE ~BulletSphereShape();

panda/src/bullet/bulletSphericalConstraint.h

@@ -32,14 +32,13 @@ class BulletRigidBodyNode;
  * socket" joint.
  */
 class EXPCL_PANDABULLET BulletSphericalConstraint : public BulletConstraint {
-
 PUBLISHED:
-  BulletSphericalConstraint(const BulletRigidBodyNode *node_a,
-                            const LPoint3 &pivot_a);
-  BulletSphericalConstraint(const BulletRigidBodyNode *node_a,
-                            const BulletRigidBodyNode *node_b,
-                            const LPoint3 &pivot_a,
-                            const LPoint3 &pivot_b);
+  explicit BulletSphericalConstraint(const BulletRigidBodyNode *node_a,
+                                     const LPoint3 &pivot_a);
+  explicit BulletSphericalConstraint(const BulletRigidBodyNode *node_a,
+                                     const BulletRigidBodyNode *node_b,
+                                     const LPoint3 &pivot_a,
+                                     const LPoint3 &pivot_b);
   INLINE ~BulletSphericalConstraint();
 
   // Pivots

panda/src/bullet/bulletTriangleMeshShape.h

@@ -31,7 +31,7 @@ private:
   INLINE BulletTriangleMeshShape();
 
 PUBLISHED:
-  BulletTriangleMeshShape(BulletTriangleMesh *mesh, bool dynamic, bool compress=true, bool bvh=true);
+  explicit BulletTriangleMeshShape(BulletTriangleMesh *mesh, bool dynamic, bool compress=true, bool bvh=true);
   INLINE BulletTriangleMeshShape(const BulletTriangleMeshShape &copy);
   INLINE void operator = (const BulletTriangleMeshShape &copy);
   INLINE ~BulletTriangleMeshShape();

panda/src/chan/animBundle.h

@@ -31,7 +31,7 @@ protected:
   AnimBundle(AnimGroup *parent, const AnimBundle &copy);
 
 PUBLISHED:
-  INLINE AnimBundle(const string &name, PN_stdfloat fps, int num_frames);
+  INLINE explicit AnimBundle(const string &name, PN_stdfloat fps, int num_frames);
 
   PT(AnimBundle) copy_bundle() const;
 

panda/src/chan/animBundleNode.h

@@ -28,7 +28,7 @@
  */
 class EXPCL_PANDA_CHAN AnimBundleNode : public PandaNode {
 PUBLISHED:
-  INLINE AnimBundleNode(const string &name, AnimBundle *bundle);
+  INLINE explicit AnimBundleNode(const string &name, AnimBundle *bundle);
 
 protected:
   INLINE AnimBundleNode();

panda/src/chan/animChannelMatrixXfmTable.h

@@ -34,7 +34,7 @@ protected:
   AnimChannelMatrixXfmTable(AnimGroup *parent, const AnimChannelMatrixXfmTable &copy);
 
 PUBLISHED:
-  AnimChannelMatrixXfmTable(AnimGroup *parent, const string &name);
+  explicit AnimChannelMatrixXfmTable(AnimGroup *parent, const string &name);
   virtual ~AnimChannelMatrixXfmTable();
 
 public:

panda/src/chan/animGroup.h

@@ -37,7 +37,7 @@ protected:
 
 PUBLISHED:
   // This is the normal AnimGroup constructor.
-  AnimGroup(AnimGroup *parent, const string &name);
+  explicit AnimGroup(AnimGroup *parent, const string &name);
   virtual ~AnimGroup();
 
   int get_num_children() const;

panda/src/chan/bindAnimRequest.h

@@ -30,13 +30,13 @@ public:
   ALLOC_DELETED_CHAIN(BindAnimRequest);
 
 PUBLISHED:
-  BindAnimRequest(const string &name,
-                  const Filename &filename,
-                  const LoaderOptions &options,
-                  Loader *loader,
-                  AnimControl *control,
-                  int hierarchy_match_flags,
-                  const PartSubset &subset);
+  explicit BindAnimRequest(const string &name,
+                           const Filename &filename,
+                           const LoaderOptions &options,
+                           Loader *loader,
+                           AnimControl *control,
+                           int hierarchy_match_flags,
+                           const PartSubset &subset);
 
 protected:
   virtual DoneStatus do_task();

panda/src/chan/partBundle.h

@@ -55,7 +55,7 @@ protected:
   PartBundle(const PartBundle &copy);
 
 PUBLISHED:
-  PartBundle(const string &name = "");
+  explicit PartBundle(const string &name = "");
   virtual PartGroup *make_copy() const;
 
   INLINE CPT(AnimPreloadTable) get_anim_preload() const;

panda/src/chan/partBundleNode.h

@@ -34,7 +34,7 @@
  */
 class EXPCL_PANDA_CHAN PartBundleNode : public PandaNode {
 PUBLISHED:
-  INLINE PartBundleNode(const string &name, PartBundle *bundle);
+  INLINE explicit PartBundleNode(const string &name, PartBundle *bundle);
 
 protected:
   INLINE PartBundleNode();

panda/src/chan/partGroup.h

@@ -60,7 +60,7 @@ protected:
 
 PUBLISHED:
   // This is the normal PartGroup constructor.
-  PartGroup(PartGroup *parent, const string &name);
+  explicit PartGroup(PartGroup *parent, const string &name);
   virtual ~PartGroup();
   virtual bool is_character_joint() const;
 

panda/src/char/character.h

@@ -41,7 +41,7 @@ protected:
   Character(const Character &copy, bool copy_bundles);
 
 PUBLISHED:
-  Character(const string &name);
+  explicit Character(const string &name);
   virtual ~Character();
 
 public:

panda/src/char/characterJoint.h

@@ -35,9 +35,9 @@ protected:
   CharacterJoint(const CharacterJoint &copy);
 
 PUBLISHED:
-  CharacterJoint(Character *character,
-                 PartBundle *root, PartGroup *parent, const string &name,
-                 const LMatrix4 &default_value);
+  explicit CharacterJoint(Character *character, PartBundle *root,
+                          PartGroup *parent, const string &name,
+                          const LMatrix4 &default_value);
   virtual ~CharacterJoint();
 
 public:

panda/src/char/characterJointBundle.h

@@ -30,7 +30,7 @@ protected:
   INLINE CharacterJointBundle(const CharacterJointBundle &copy);
 
 PUBLISHED:
-  CharacterJointBundle(const string &name = "");
+  explicit CharacterJointBundle(const string &name = "");
   virtual ~CharacterJointBundle();
 
 PUBLISHED:

panda/src/char/characterSlider.h

@@ -31,7 +31,7 @@ protected:
   CharacterSlider(const CharacterSlider &copy);
 
 PUBLISHED:
-  CharacterSlider(PartGroup *parent, const string &name);
+  explicit CharacterSlider(PartGroup *parent, const string &name);
   virtual ~CharacterSlider();
 
   virtual PartGroup *make_copy() const;

panda/src/collide/collisionBox.h

@@ -26,9 +26,9 @@
  */
 class EXPCL_PANDA_COLLIDE CollisionBox : public CollisionSolid {
 PUBLISHED:
-  INLINE CollisionBox(const LPoint3 &center,
-                      PN_stdfloat x, PN_stdfloat y, PN_stdfloat z);
-  INLINE CollisionBox(const LPoint3 &min, const LPoint3 &max);
+  INLINE explicit CollisionBox(const LPoint3 &center,
+                               PN_stdfloat x, PN_stdfloat y, PN_stdfloat z);
+  INLINE explicit CollisionBox(const LPoint3 &min, const LPoint3 &max);
 
   virtual LPoint3 get_collision_origin() const;
 

panda/src/collide/collisionInvSphere.h

@@ -26,8 +26,8 @@
  */
 class EXPCL_PANDA_COLLIDE CollisionInvSphere : public CollisionSphere {
 PUBLISHED:
-  INLINE CollisionInvSphere(const LPoint3 &center, PN_stdfloat radius);
-  INLINE CollisionInvSphere(PN_stdfloat cx, PN_stdfloat cy, PN_stdfloat cz, PN_stdfloat radius);
+  INLINE explicit CollisionInvSphere(const LPoint3 &center, PN_stdfloat radius);
+  INLINE explicit CollisionInvSphere(PN_stdfloat cx, PN_stdfloat cy, PN_stdfloat cz, PN_stdfloat radius);
 
 protected:
   INLINE CollisionInvSphere();

panda/src/collide/collisionLine.h

@@ -25,9 +25,9 @@
 class EXPCL_PANDA_COLLIDE CollisionLine : public CollisionRay {
 PUBLISHED:
   INLINE CollisionLine();
-  INLINE CollisionLine(const LPoint3 &origin, const LVector3 &direction);
-  INLINE CollisionLine(PN_stdfloat ox, PN_stdfloat oy, PN_stdfloat oz,
-                       PN_stdfloat dx, PN_stdfloat dy, PN_stdfloat dz);
+  INLINE explicit CollisionLine(const LPoint3 &origin, const LVector3 &direction);
+  INLINE explicit CollisionLine(PN_stdfloat ox, PN_stdfloat oy, PN_stdfloat oz,
+                                PN_stdfloat dx, PN_stdfloat dy, PN_stdfloat dz);
 
 public:
   INLINE CollisionLine(const CollisionLine &copy);

panda/src/collide/collisionNode.h

@@ -29,7 +29,7 @@
  */
 class EXPCL_PANDA_COLLIDE CollisionNode : public PandaNode {
 PUBLISHED:
-  CollisionNode(const string &name);
+  explicit CollisionNode(const string &name);
 
 protected:
   CollisionNode(const CollisionNode &copy);

panda/src/collide/collisionParabola.h

@@ -32,7 +32,7 @@ class LensNode;
 class EXPCL_PANDA_COLLIDE CollisionParabola : public CollisionSolid {
 PUBLISHED:
   INLINE CollisionParabola();
-  INLINE CollisionParabola(const LParabola &parabola, PN_stdfloat t1, PN_stdfloat t2);
+  INLINE explicit CollisionParabola(const LParabola &parabola, PN_stdfloat t1, PN_stdfloat t2);
 
   virtual LPoint3 get_collision_origin() const;
 

panda/src/collide/collisionRay.h

@@ -27,9 +27,9 @@
 class EXPCL_PANDA_COLLIDE CollisionRay : public CollisionSolid {
 PUBLISHED:
   INLINE CollisionRay();
-  INLINE CollisionRay(const LPoint3 &origin, const LVector3 &direction);
-  INLINE CollisionRay(PN_stdfloat ox, PN_stdfloat oy, PN_stdfloat oz,
-                      PN_stdfloat dx, PN_stdfloat dy, PN_stdfloat dz);
+  INLINE explicit CollisionRay(const LPoint3 &origin, const LVector3 &direction);
+  INLINE explicit CollisionRay(PN_stdfloat ox, PN_stdfloat oy, PN_stdfloat oz,
+                               PN_stdfloat dx, PN_stdfloat dy, PN_stdfloat dz);
 
   virtual LPoint3 get_collision_origin() const;
 

panda/src/collide/collisionSegment.h

@@ -31,9 +31,9 @@ class LensNode;
 class EXPCL_PANDA_COLLIDE CollisionSegment : public CollisionSolid {
 PUBLISHED:
   INLINE CollisionSegment();
-  INLINE CollisionSegment(const LPoint3 &a, const LPoint3 &db);
-  INLINE CollisionSegment(PN_stdfloat ax, PN_stdfloat ay, PN_stdfloat az,
-                          PN_stdfloat bx, PN_stdfloat by, PN_stdfloat bz);
+  INLINE explicit CollisionSegment(const LPoint3 &a, const LPoint3 &db);
+  INLINE explicit CollisionSegment(PN_stdfloat ax, PN_stdfloat ay, PN_stdfloat az,
+                                   PN_stdfloat bx, PN_stdfloat by, PN_stdfloat bz);
 
   virtual LPoint3 get_collision_origin() const;
 

panda/src/collide/collisionSphere.h

@@ -24,8 +24,8 @@
  */
 class EXPCL_PANDA_COLLIDE CollisionSphere : public CollisionSolid {
 PUBLISHED:
-  INLINE CollisionSphere(const LPoint3 &center, PN_stdfloat radius);
-  INLINE CollisionSphere(PN_stdfloat cx, PN_stdfloat cy, PN_stdfloat cz, PN_stdfloat radius);
+  INLINE explicit CollisionSphere(const LPoint3 &center, PN_stdfloat radius);
+  INLINE explicit CollisionSphere(PN_stdfloat cx, PN_stdfloat cy, PN_stdfloat cz, PN_stdfloat radius);
 
   virtual LPoint3 get_collision_origin() const;
 

panda/src/collide/collisionTraverser.h

@@ -44,7 +44,7 @@ class CollisionEntry;
  */
 class EXPCL_PANDA_COLLIDE CollisionTraverser : public Namable {
 PUBLISHED:
-  CollisionTraverser(const string &name = "ctrav");
+  explicit CollisionTraverser(const string &name = "ctrav");
   ~CollisionTraverser();
 
   INLINE void set_respect_prev_transform(bool flag);

panda/src/collide/collisionTube.h

@@ -25,11 +25,11 @@
  */
 class EXPCL_PANDA_COLLIDE CollisionTube : public CollisionSolid {
 PUBLISHED:
-  INLINE CollisionTube(const LPoint3 &a, const LPoint3 &db,
-                       PN_stdfloat radius);
-  INLINE CollisionTube(PN_stdfloat ax, PN_stdfloat ay, PN_stdfloat az,
-                       PN_stdfloat bx, PN_stdfloat by, PN_stdfloat bz,
-                       PN_stdfloat radius);
+  INLINE explicit CollisionTube(const LPoint3 &a, const LPoint3 &db,
+                                PN_stdfloat radius);
+  INLINE explicit CollisionTube(PN_stdfloat ax, PN_stdfloat ay, PN_stdfloat az,
+                                PN_stdfloat bx, PN_stdfloat by, PN_stdfloat bz,
+                                PN_stdfloat radius);
 
   virtual LPoint3 get_collision_origin() const;
 

panda/src/collide/collisionVisualizer.h

@@ -33,7 +33,7 @@
  */
 class EXPCL_PANDA_COLLIDE CollisionVisualizer : public PandaNode, public CollisionRecorder {
 PUBLISHED:
-  CollisionVisualizer(const string &name);
+  explicit CollisionVisualizer(const string &name);
   virtual ~CollisionVisualizer();
 
   INLINE void set_point_scale(PN_stdfloat point_scale);

panda/src/device/analogNode.h

@@ -38,7 +38,7 @@
  */
 class EXPCL_PANDA_DEVICE AnalogNode : public DataNode {
 PUBLISHED:
-  AnalogNode(ClientBase *client, const string &device_name);
+  explicit AnalogNode(ClientBase *client, const string &device_name);
   virtual ~AnalogNode();
 
   INLINE bool is_valid() const;

panda/src/device/buttonNode.h

@@ -34,7 +34,7 @@
  */
 class EXPCL_PANDA_DEVICE ButtonNode : public DataNode {
 PUBLISHED:
-  ButtonNode(ClientBase *client, const string &device_name);
+  explicit ButtonNode(ClientBase *client, const string &device_name);
   virtual ~ButtonNode();
 
   INLINE bool is_valid() const;

panda/src/device/dialNode.h

@@ -33,7 +33,7 @@
  */
 class EXPCL_PANDA_DEVICE DialNode : public DataNode {
 PUBLISHED:
-  DialNode(ClientBase *client, const string &device_name);
+  explicit DialNode(ClientBase *client, const string &device_name);
   virtual ~DialNode();
 
   INLINE bool is_valid() const;

panda/src/device/mouseAndKeyboard.h

@@ -40,7 +40,7 @@
  */
 class EXPCL_PANDA_DEVICE MouseAndKeyboard : public DataNode {
 PUBLISHED:
-  MouseAndKeyboard(GraphicsWindow *window, int device, const string &name);
+  explicit MouseAndKeyboard(GraphicsWindow *window, int device, const string &name);
   void set_source(GraphicsWindow *window, int device);
 
   PT(GraphicsWindow) get_source_window() const;

panda/src/device/trackerNode.h

@@ -31,8 +31,8 @@
  */
 class EXPCL_PANDA_DEVICE TrackerNode : public DataNode {
 PUBLISHED:
-  TrackerNode(ClientBase *client, const string &device_name);
-  TrackerNode(ClientTrackerDevice *device);
+  explicit TrackerNode(ClientBase *client, const string &device_name);
+  explicit TrackerNode(ClientTrackerDevice *device);
   virtual ~TrackerNode();
 
   INLINE bool is_valid() const;

panda/src/device/virtualMouse.h

@@ -31,7 +31,7 @@
  */
 class EXPCL_PANDA_DEVICE VirtualMouse : public DataNode {
 PUBLISHED:
-  VirtualMouse(const string &name);
+  explicit VirtualMouse(const string &name);
 
   void set_mouse_pos(int x, int y);
   void set_window_size(int width, int height);

panda/src/dgraph/dataGraphTraverser.h

@@ -31,7 +31,7 @@ class PandaNode;
  */
 class EXPCL_PANDA_DGRAPH DataGraphTraverser {
 PUBLISHED:
-  DataGraphTraverser(Thread *current_thread = Thread::get_current_thread());
+  explicit DataGraphTraverser(Thread *current_thread = Thread::get_current_thread());
   ~DataGraphTraverser();
 
   INLINE Thread *get_current_thread() const;

panda/src/dgraph/dataNode.h

@@ -51,7 +51,7 @@ class DataNodeTransmit;
  */
 class EXPCL_PANDA_DGRAPH DataNode : public PandaNode {
 PUBLISHED:
-  INLINE DataNode(const string &name);
+  INLINE explicit DataNode(const string &name);
 
 protected:
   INLINE DataNode(const DataNode &copy);

panda/src/display/graphicsEngine.h

@@ -52,7 +52,7 @@ class Texture;
  */
 class EXPCL_PANDA_DISPLAY GraphicsEngine : public ReferenceCount {
 PUBLISHED:
-  GraphicsEngine(Pipeline *pipeline = NULL);
+  explicit GraphicsEngine(Pipeline *pipeline = NULL);
   BLOCKING ~GraphicsEngine();
 
   void set_threading_model(const GraphicsThreadingModel &threading_model);

panda/src/distort/projectionScreen.h

@@ -47,7 +47,7 @@ class WorkingNodePath;
  */
 class EXPCL_PANDAFX ProjectionScreen : public PandaNode {
 PUBLISHED:
-  ProjectionScreen(const string &name = "");
+  explicit ProjectionScreen(const string &name = "");
   virtual ~ProjectionScreen();
 
 protected:

panda/src/downloader/downloadDb.h

@@ -72,8 +72,8 @@ PUBLISHED:
   };
 
   DownloadDb();
-  DownloadDb(Ramfile &server_file, Filename &client_file);
-  DownloadDb(Filename &server_file, Filename &client_file);
+  explicit DownloadDb(Ramfile &server_file, Filename &client_file);
+  explicit DownloadDb(Filename &server_file, Filename &client_file);
   ~DownloadDb();
 
   void output(ostream &out) const;

panda/src/downloader/httpCookie.h

@@ -32,8 +32,9 @@
 class EXPCL_PANDAEXPRESS HTTPCookie {
 PUBLISHED:
   INLINE HTTPCookie();
-  INLINE HTTPCookie(const string &format, const URLSpec &url);
-  INLINE HTTPCookie(const string &name, const string &path, const string &domain);
+  INLINE explicit HTTPCookie(const string &format, const URLSpec &url);
+  INLINE explicit HTTPCookie(const string &name, const string &path,
+                             const string &domain);
   INLINE ~HTTPCookie();
 
   INLINE void set_name(const string &name);

panda/src/downloader/patcher.h

@@ -28,7 +28,7 @@
 class EXPCL_PANDAEXPRESS Patcher {
 PUBLISHED:
   Patcher();
-  Patcher(PT(Buffer) buffer);
+  explicit Patcher(PT(Buffer) buffer);
   virtual ~Patcher();
 
   int initiate(Filename &patch, Filename &infile);

panda/src/downloader/virtualFileMountHTTP.h

@@ -30,7 +30,7 @@
  */
 class EXPCL_PANDAEXPRESS VirtualFileMountHTTP : public VirtualFileMount {
 PUBLISHED:
-  VirtualFileMountHTTP(const URLSpec &root, HTTPClient *http = HTTPClient::get_global_ptr());
+  explicit VirtualFileMountHTTP(const URLSpec &root, HTTPClient *http = HTTPClient::get_global_ptr());
   virtual ~VirtualFileMountHTTP();
 
   INLINE HTTPClient *get_http_client() const;

panda/src/egg/eggAnimData.h

@@ -29,8 +29,7 @@
  */
 class EXPCL_PANDAEGG EggAnimData : public EggNode {
 PUBLISHED:
-
-  INLINE EggAnimData(const string &name = "");
+  INLINE explicit EggAnimData(const string &name = "");
   INLINE EggAnimData(const EggAnimData &copy);
   INLINE EggAnimData &operator = (const EggAnimData &copy);
 

panda/src/egg/eggAnimPreload.h

@@ -23,7 +23,7 @@
  */
 class EXPCL_PANDAEGG EggAnimPreload : public EggNode {
 PUBLISHED:
-  INLINE EggAnimPreload(const string &name = "");
+  INLINE explicit EggAnimPreload(const string &name = "");
   INLINE EggAnimPreload(const EggAnimPreload &copy);
   INLINE EggAnimPreload &operator = (const EggAnimPreload &copy);
 

panda/src/egg/eggBin.h

@@ -25,7 +25,7 @@
  */
 class EXPCL_PANDAEGG EggBin : public EggGroup {
 PUBLISHED:
-  EggBin(const string &name = "");
+  explicit EggBin(const string &name = "");
   EggBin(const EggGroup &copy);
   EggBin(const EggBin &copy);
 

panda/src/egg/eggComment.h

@@ -23,7 +23,7 @@
  */
 class EXPCL_PANDAEGG EggComment : public EggNode {
 PUBLISHED:
-  INLINE EggComment(const string &node_name, const string &comment);
+  INLINE explicit EggComment(const string &node_name, const string &comment);
   INLINE EggComment(const EggComment &copy);
 
   // You can use the string operators to directly set and manipulate the

panda/src/egg/eggCompositePrimitive.h

@@ -25,7 +25,7 @@
  */
 class EXPCL_PANDAEGG EggCompositePrimitive : public EggPrimitive {
 PUBLISHED:
-  INLINE EggCompositePrimitive(const string &name = "");
+  INLINE explicit EggCompositePrimitive(const string &name = "");
   INLINE EggCompositePrimitive(const EggCompositePrimitive &copy);
   INLINE EggCompositePrimitive &operator = (const EggCompositePrimitive &copy);
   virtual ~EggCompositePrimitive();

panda/src/egg/eggCurve.h

@@ -23,7 +23,7 @@
  */
 class EXPCL_PANDAEGG EggCurve : public EggPrimitive {
 PUBLISHED:
-  INLINE EggCurve(const string &name = "");
+  INLINE explicit EggCurve(const string &name = "");
   INLINE EggCurve(const EggCurve &copy);
   INLINE EggCurve &operator = (const EggCurve &copy);
 

panda/src/egg/eggExternalReference.h

@@ -24,7 +24,7 @@
  */
 class EXPCL_PANDAEGG EggExternalReference : public EggFilenameNode {
 PUBLISHED:
-  EggExternalReference(const string &node_name, const string &filename);
+  explicit EggExternalReference(const string &node_name, const string &filename);
   EggExternalReference(const EggExternalReference &copy);
   EggExternalReference &operator = (const EggExternalReference &copy);
 

panda/src/egg/eggFilenameNode.h

@@ -27,7 +27,7 @@
 class EXPCL_PANDAEGG EggFilenameNode : public EggNode {
 PUBLISHED:
   INLINE EggFilenameNode();
-  INLINE EggFilenameNode(const string &node_name, const Filename &filename);
+  INLINE explicit EggFilenameNode(const string &node_name, const Filename &filename);
   INLINE EggFilenameNode(const EggFilenameNode &copy);
   INLINE EggFilenameNode &operator = (const EggFilenameNode &copy);
 

panda/src/egg/eggGroup.h

@@ -132,7 +132,7 @@ PUBLISHED:
     BO_one_minus_alpha_scale,
   };
 
-  EggGroup(const string &name = "");
+  explicit EggGroup(const string &name = "");
   EggGroup(const EggGroup &copy);
   EggGroup &operator = (const EggGroup &copy);
   ~EggGroup();

panda/src/egg/eggGroupNode.h

@@ -58,7 +58,7 @@ private:
   // Here begins the actual public interface to EggGroupNode.
 
 PUBLISHED:
-  EggGroupNode(const string &name = "") : EggNode(name) { }
+  explicit EggGroupNode(const string &name = "") : EggNode(name) { }
   EggGroupNode(const EggGroupNode &copy);
   EggGroupNode &operator = (const EggGroupNode &copy);
   virtual ~EggGroupNode();

panda/src/egg/eggGroupUniquifier.h

@@ -25,7 +25,7 @@
  */
 class EXPCL_PANDAEGG EggGroupUniquifier : public EggNameUniquifier {
 PUBLISHED:
-  EggGroupUniquifier(bool filter_names = true);
+  explicit EggGroupUniquifier(bool filter_names = true);
 
   virtual string get_category(EggNode *node);
   virtual string filter_name(EggNode *node);

panda/src/egg/eggLine.h

@@ -24,7 +24,7 @@
  */
 class EXPCL_PANDAEGG EggLine : public EggCompositePrimitive {
 PUBLISHED:
-  INLINE EggLine(const string &name = "");
+  INLINE explicit EggLine(const string &name = "");
   INLINE EggLine(const EggLine &copy);
   INLINE EggLine &operator = (const EggLine &copy);
   virtual ~EggLine();

panda/src/egg/eggMaterial.h

@@ -25,7 +25,7 @@
  */
 class EXPCL_PANDAEGG EggMaterial : public EggNode {
 PUBLISHED:
-  EggMaterial(const string &mref_name);
+  explicit EggMaterial(const string &mref_name);
   EggMaterial(const EggMaterial &copy);
 
   virtual void write(ostream &out, int indent_level) const;

panda/src/egg/eggNamedObject.h

@@ -25,7 +25,7 @@
  */
 class EXPCL_PANDAEGG EggNamedObject : public EggObject, public Namable {
 PUBLISHED:
-  INLINE EggNamedObject(const string &name = "");
+  INLINE explicit EggNamedObject(const string &name = "");
   INLINE EggNamedObject(const EggNamedObject &copy);
   INLINE EggNamedObject &operator = (const EggNamedObject &copy);
 

panda/src/egg/eggNode.h

@@ -34,7 +34,7 @@ class EggTextureCollection;
  */
 class EXPCL_PANDAEGG EggNode : public EggNamedObject {
 PUBLISHED:
-  INLINE EggNode(const string &name = "");
+  INLINE explicit EggNode(const string &name = "");
   INLINE EggNode(const EggNode &copy);
   INLINE EggNode &operator = (const EggNode &copy);
 

panda/src/egg/eggNurbsCurve.h

@@ -25,7 +25,7 @@
  */
 class EXPCL_PANDAEGG EggNurbsCurve : public EggCurve {
 PUBLISHED:
-  INLINE EggNurbsCurve(const string &name = "");
+  INLINE explicit EggNurbsCurve(const string &name = "");
   INLINE EggNurbsCurve(const EggNurbsCurve &copy);
   INLINE EggNurbsCurve &operator = (const EggNurbsCurve &copy);
 

panda/src/egg/eggNurbsSurface.h

@@ -32,7 +32,7 @@ PUBLISHED:
   typedef Loops Trim;
   typedef plist<Trim> Trims;
 
-  INLINE EggNurbsSurface(const string &name = "");
+  INLINE explicit EggNurbsSurface(const string &name = "");
   INLINE EggNurbsSurface(const EggNurbsSurface &copy);
   INLINE EggNurbsSurface &operator = (const EggNurbsSurface &copy);
 

panda/src/egg/eggPatch.h

@@ -24,7 +24,7 @@
  */
 class EXPCL_PANDAEGG EggPatch : public EggPrimitive {
 PUBLISHED:
-  INLINE EggPatch(const string &name = "");
+  INLINE explicit EggPatch(const string &name = "");
   INLINE EggPatch(const EggPatch &copy);
   INLINE EggPatch &operator = (const EggPatch &copy);
 

panda/src/egg/eggPoint.h

@@ -24,7 +24,7 @@
  */
 class EXPCL_PANDAEGG EggPoint : public EggPrimitive {
 PUBLISHED:
-  INLINE EggPoint(const string &name = "");
+  INLINE explicit EggPoint(const string &name = "");
   INLINE EggPoint(const EggPoint &copy);
   INLINE EggPoint &operator = (const EggPoint &copy);
 

panda/src/egg/eggPolygon.h

@@ -23,7 +23,7 @@
  */
 class EXPCL_PANDAEGG EggPolygon : public EggPrimitive {
 PUBLISHED:
-  INLINE EggPolygon(const string &name = "");
+  INLINE explicit EggPolygon(const string &name = "");
   INLINE EggPolygon(const EggPolygon &copy);
   INLINE EggPolygon &operator = (const EggPolygon &copy);
 

panda/src/egg/eggPrimitive.h

@@ -67,7 +67,7 @@ PUBLISHED:
     S_per_vertex
   };
 
-  INLINE EggPrimitive(const string &name = "");
+  INLINE explicit EggPrimitive(const string &name = "");
   INLINE EggPrimitive(const EggPrimitive &copy);
   INLINE EggPrimitive &operator = (const EggPrimitive &copy);
   INLINE ~EggPrimitive();

panda/src/egg/eggSAnimData.h

@@ -24,7 +24,7 @@
  */
 class EXPCL_PANDAEGG EggSAnimData : public EggAnimData {
 PUBLISHED:
-  INLINE EggSAnimData(const string &name = "");
+  INLINE explicit EggSAnimData(const string &name = "");
   INLINE EggSAnimData(const EggSAnimData &copy);
   INLINE EggSAnimData &operator = (const EggSAnimData &copy);