support cull face reverse

panda/src/dxgsg7/dxGraphicsStateGuardian7.cxx

@@ -3979,7 +3979,7 @@ issue_depth_write(const DepthWriteAttrib *attrib) {
 ////////////////////////////////////////////////////////////////////
 void DXGraphicsStateGuardian7::
 issue_cull_face(const CullFaceAttrib *attrib) {
-  CullFaceAttrib::Mode mode = attrib->get_mode();
+  CullFaceAttrib::Mode mode = attrib->get_effective_mode();
 
   switch (mode) {
   case CullFaceAttrib::M_cull_none:

panda/src/dxgsg8/dxGraphicsStateGuardian8.cxx

@@ -3717,7 +3717,7 @@ issue_depth_write(const DepthWriteAttrib *attrib) {
 ////////////////////////////////////////////////////////////////////
 void DXGraphicsStateGuardian8::
 issue_cull_face(const CullFaceAttrib *attrib) {
-  CullFaceAttrib::Mode mode = attrib->get_mode();
+  CullFaceAttrib::Mode mode = attrib->get_effective_mode();
 
   switch (mode) {
   case CullFaceAttrib::M_cull_none:

panda/src/framework/pandaFramework.cxx

@@ -611,6 +611,7 @@ do_enable_default_keys() {
   _event_handler.add_hook("w", event_w, this);
   _event_handler.add_hook("t", event_t, this);
   _event_handler.add_hook("b", event_b, this);
+  _event_handler.add_hook("i", event_i, this);
   _event_handler.add_hook("l", event_l, this);
   _event_handler.add_hook("c", event_c, this);
   _event_handler.add_hook("shift-c", event_C, this);
@@ -712,6 +713,22 @@ event_b(CPT_Event event, void *) {
   }
 }
 
+////////////////////////////////////////////////////////////////////
+//     Function: PandaFramework::event_i
+//       Access: Protected, Static
+//  Description: Default handler for i key: invert one-sided faces.
+////////////////////////////////////////////////////////////////////
+void PandaFramework::
+event_i(CPT_Event event, void *) {
+  if (event->get_num_parameters() == 1) {
+    EventParameter param = event->get_parameter(0);
+    WindowFramework *wf;
+    DCAST_INTO_V(wf, param.get_ptr());
+
+    wf->set_one_sided_reverse(!wf->get_one_sided_reverse());
+  }
+}
+
 ////////////////////////////////////////////////////////////////////
 //     Function: PandaFramework::event_l
 //       Access: Protected, Static

panda/src/framework/pandaFramework.h

@@ -110,6 +110,7 @@ protected:
   static void event_w(CPT_Event, void *data);
   static void event_t(CPT_Event, void *data);
   static void event_b(CPT_Event, void *data);
+  static void event_i(CPT_Event, void *data);
   static void event_l(CPT_Event, void *data);
   static void event_c(CPT_Event, void *data);
   static void event_C(CPT_Event, void *data);

panda/src/framework/windowFramework.I

@@ -93,6 +93,16 @@ get_two_sided() const {
   return _two_sided_enabled;
 }
 
+////////////////////////////////////////////////////////////////////
+//     Function: WindowFramework::get_one_sided_reverse
+//       Access: Public
+//  Description: Returns the current state of the one_sided_reverse flag.
+////////////////////////////////////////////////////////////////////
+INLINE bool WindowFramework::
+get_one_sided_reverse() const {
+  return _one_sided_reverse_enabled;
+}
+
 ////////////////////////////////////////////////////////////////////
 //     Function: WindowFramework::get_lighting
 //       Access: Public

panda/src/framework/windowFramework.cxx

@@ -39,6 +39,7 @@
 #include "config_framework.h"
 #include "depthTestAttrib.h"
 #include "depthWriteAttrib.h"
+#include "cullFaceAttrib.h"
 #include "pgTop.h"
 #include "geomNode.h"
 #include "geomTristrip.h"
@@ -70,6 +71,7 @@ WindowFramework(PandaFramework *panda_framework) :
   _wireframe_enabled = false;
   _texture_enabled = true;
   _two_sided_enabled = false;
+  _one_sided_reverse_enabled = false;
   _lighting_enabled = false;
   _background_type = BT_default;
 }
@@ -136,6 +138,7 @@ close_window() {
   _wireframe_enabled = false;
   _texture_enabled = true;
   _two_sided_enabled = false;
+  _one_sided_reverse_enabled = false;
   _lighting_enabled = false;
 }
 
@@ -600,6 +603,10 @@ set_wireframe(bool enable) {
     if (!_two_sided_enabled) {
       render.clear_two_sided();
     }
+    if (_one_sided_reverse_enabled) {
+      CPT(RenderAttrib) attrib = CullFaceAttrib::make_reverse();
+      render.node()->set_attrib(attrib);
+    }
   }
 
   _wireframe_enabled = enable;
@@ -651,6 +658,35 @@ set_two_sided(bool enable) {
   }
 
   _two_sided_enabled = enable;
+  _one_sided_reverse_enabled = false;
+}
+
+////////////////////////////////////////////////////////////////////
+//     Function: WindowFramework::set_one_sided_reverse
+//       Access: Public
+//  Description: Toggles one-sided reverse mode.  In this mode, the
+//               front sides of one-sided polygons are culled instead
+//               of the back side.
+////////////////////////////////////////////////////////////////////
+void WindowFramework::
+set_one_sided_reverse(bool enable) {
+  if (enable == _one_sided_reverse_enabled) {
+    return;
+  }
+
+  NodePath render = get_render();
+
+  if (!_wireframe_enabled) {
+    if (enable) {
+      CPT(RenderAttrib) attrib = CullFaceAttrib::make_reverse();
+      render.node()->set_attrib(attrib);
+    } else {
+      render.clear_two_sided();
+    }
+  }
+
+  _two_sided_enabled = false;
+  _one_sided_reverse_enabled = enable;
 }
 
 ////////////////////////////////////////////////////////////////////

panda/src/framework/windowFramework.h

@@ -88,12 +88,14 @@ public:
   void set_wireframe(bool enable);
   void set_texture(bool enable);
   void set_two_sided(bool enable);
+  void set_one_sided_reverse(bool enable);
   void set_lighting(bool enable);
   void set_background_type(BackgroundType type);
 
   INLINE bool get_wireframe() const;
   INLINE bool get_texture() const;
   INLINE bool get_two_sided() const;
+  INLINE bool get_one_sided_reverse() const;
   INLINE bool get_lighting() const;
   INLINE BackgroundType get_background_type() const;
 
@@ -130,6 +132,7 @@ private:
   bool _wireframe_enabled;
   bool _texture_enabled;
   bool _two_sided_enabled;
+  bool _one_sided_reverse_enabled;
   bool _lighting_enabled;
 
   BackgroundType _background_type;

panda/src/glgsg/glGraphicsStateGuardian.cxx

@@ -2311,7 +2311,7 @@ issue_depth_write(const DepthWriteAttrib *attrib) {
 ////////////////////////////////////////////////////////////////////
 void GLGraphicsStateGuardian::
 issue_cull_face(const CullFaceAttrib *attrib) {
-  CullFaceAttrib::Mode mode = attrib->get_mode();
+  CullFaceAttrib::Mode mode = attrib->get_effective_mode();
 
   switch (mode) {
   case CullFaceAttrib::M_cull_none:

panda/src/pgraph/cullFaceAttrib.I

@@ -24,17 +24,36 @@
 //               CullFaceAttrib object.
 ////////////////////////////////////////////////////////////////////
 INLINE CullFaceAttrib::
-CullFaceAttrib(CullFaceAttrib::Mode mode) :
+CullFaceAttrib(CullFaceAttrib::Mode mode, bool reverse) :
-  _mode(mode)
+  _mode(mode),
+  _reverse(reverse)
 {
 }
 
 ////////////////////////////////////////////////////////////////////
-//     Function: CullFaceAttrib::get_mode
+//     Function: CullFaceAttrib::get_actual_mode
 //       Access: Published
-//  Description: Returns the culling mode.
+//  Description: Returns the actual culling mode, without considering
+//               the effects of the reverse flag.  See also
+//               get_effective_mode().
 ////////////////////////////////////////////////////////////////////
 INLINE CullFaceAttrib::Mode CullFaceAttrib::
-get_mode() const {
+get_actual_mode() const {
   return _mode;
 }
+
+////////////////////////////////////////////////////////////////////
+//     Function: CullFaceAttrib::get_reverse
+//       Access: Published
+//  Description: Returns the 'reverse' flag.  If this is true, the
+//               actual cull direction (clockwise
+//               vs. counterclockwise) is the reverse of what is
+//               specified here.  This allows support for
+//               make_reverse(), which defines a CullFaceAttrib that
+//               reverses whatever the sense of culling would have
+//               been.
+////////////////////////////////////////////////////////////////////
+INLINE bool CullFaceAttrib::
+get_reverse() const {
+  return _reverse;
+}

panda/src/pgraph/cullFaceAttrib.cxx

@@ -34,13 +34,75 @@ TypeHandle CullFaceAttrib::_type_handle;
 //               are ordered counterclockwise when seen from the
 //               front, so the M_cull_clockwise will cull backfacing
 //               polygons.
+//
+//               M_cull_unchanged is an identity attrib; if this is
+//               applied to vertices without any other intervening
+//               attrib, it is the same as applying the default
+//               attrib.
 ////////////////////////////////////////////////////////////////////
 CPT(RenderAttrib) CullFaceAttrib::
 make(CullFaceAttrib::Mode mode) {
-  CullFaceAttrib *attrib = new CullFaceAttrib(mode);
+  CullFaceAttrib *attrib = new CullFaceAttrib(mode, false);
   return return_new(attrib);
 }
 
+////////////////////////////////////////////////////////////////////
+//     Function: CullFaceAttrib::make_reverse
+//       Access: Published, Static
+//  Description: Constructs a new CullFaceAttrib object that reverses
+//               the effects of any other CullFaceAttrib objects in
+//               the scene graph.  M_cull_clockwise will be treated as
+//               M_cull_counter_clockwise, and vice-versa.
+//               M_cull_none is unchanged.
+
+
+////////////////////////////////////////////////////////////////////
+CPT(RenderAttrib) CullFaceAttrib::
+make_reverse() {
+  CullFaceAttrib *attrib = new CullFaceAttrib(M_cull_unchanged, true);
+  return return_new(attrib);
+}
+
+////////////////////////////////////////////////////////////////////
+//     Function: CullFaceAttrib::get_effective_mode
+//       Access: Published
+//  Description: Returns the effective culling mode.  This is the same
+//               as the actual culling mode, unless the reverse flag
+//               is set, which swaps CW for CCW and vice-versa.  Also,
+//               M_cull_unchanged is mapped to M_cull_none.
+////////////////////////////////////////////////////////////////////
+CullFaceAttrib::Mode CullFaceAttrib::
+get_effective_mode() const {
+  if (_reverse) {
+    switch (_mode) {
+    case M_cull_clockwise:
+    case M_cull_unchanged:
+      return M_cull_counter_clockwise;
+
+    case M_cull_counter_clockwise:
+      return M_cull_clockwise;
+
+    default:
+      break;
+    }
+
+  } else {
+    switch (_mode) {
+    case M_cull_clockwise:
+    case M_cull_unchanged:
+      return M_cull_clockwise;
+
+    case M_cull_counter_clockwise:
+      return M_cull_counter_clockwise;
+
+    default:
+      break;
+    }
+  }
+      
+  return M_cull_none;
+}
+
 ////////////////////////////////////////////////////////////////////
 //     Function: CullFaceAttrib::issue
 //       Access: Public, Virtual
@@ -63,7 +125,7 @@ issue(GraphicsStateGuardianBase *gsg) const {
 void CullFaceAttrib::
 output(ostream &out) const {
   out << get_type() << ":";
-  switch (get_mode()) {
+  switch (get_actual_mode()) {
   case M_cull_none:
     out << "cull_none";
     break;
@@ -73,6 +135,12 @@ output(ostream &out) const {
   case M_cull_counter_clockwise:
     out << "cull_counter_clockwise";
     break;
+  case M_cull_unchanged:
+    out << "cull_unchanged";
+    break;
+  }
+  if (get_reverse()) {
+    out << "(reverse)";
   }
 }
 
@@ -95,8 +163,82 @@ int CullFaceAttrib::
 compare_to_impl(const RenderAttrib *other) const {
   const CullFaceAttrib *ta;
   DCAST_INTO_R(ta, other, 0);
+  if (_mode != ta->_mode) {
     return (int)_mode - (int)ta->_mode;
   }
+  return (int)_reverse - (int)ta->_reverse;
+}
+
+////////////////////////////////////////////////////////////////////
+//     Function: CullFaceAttrib::compose_impl
+//       Access: Protected, Virtual
+//  Description: Intended to be overridden by derived RenderAttrib
+//               types to specify how two consecutive RenderAttrib
+//               objects of the same type interact.
+//
+//               This should return the result of applying the other
+//               RenderAttrib to a node in the scene graph below this
+//               RenderAttrib, which was already applied.  In most
+//               cases, the result is the same as the other
+//               RenderAttrib (that is, a subsequent RenderAttrib
+//               completely replaces the preceding one).  On the other
+//               hand, some kinds of RenderAttrib (for instance,
+//               ColorTransformAttrib) might combine in meaningful
+//               ways.
+////////////////////////////////////////////////////////////////////
+CPT(RenderAttrib) CullFaceAttrib::
+compose_impl(const RenderAttrib *other) const {
+  const CullFaceAttrib *ta;
+  DCAST_INTO_R(ta, other, 0);
+
+  if (!_reverse && ta->_mode != M_cull_unchanged) {
+    // The normal case (there is nothing funny going on): the second
+    // attrib completely replaces this attrib.
+    return other;
+  }
+
+  // In the more complex case, the two attribs affect each other in
+  // some way, and we must generate a new attrib from the result.
+  Mode mode = _mode;
+  if (ta->_mode != M_cull_unchanged) {
+    mode = ta->_mode;
+  }
+  bool reverse = (_reverse && !ta->_reverse) || (!_reverse && ta->_reverse);
+
+  CullFaceAttrib *attrib = new CullFaceAttrib(mode, reverse);
+  return return_new(attrib);
+}
+
+////////////////////////////////////////////////////////////////////
+//     Function: CullFaceAttrib::invert_compose_impl
+//       Access: Protected, Virtual
+//  Description: Intended to be overridden by derived RenderAttrib
+//               types to specify how two consecutive RenderAttrib
+//               objects of the same type interact.
+//
+//               See invert_compose() and compose_impl().
+////////////////////////////////////////////////////////////////////
+CPT(RenderAttrib) CullFaceAttrib::
+invert_compose_impl(const RenderAttrib *other) const {
+  const CullFaceAttrib *ta;
+  DCAST_INTO_R(ta, other, 0);
+
+  // The invert case is the same as the normal case, except that the
+  // meaning of _reverse is inverted.  See compose_impl(), above.
+
+  if (_reverse && ta->_mode != M_cull_unchanged) {
+    return other;
+  }
+
+  Mode mode = _mode;
+  if (ta->_mode != M_cull_unchanged) {
+    mode = ta->_mode;
+  }
+  bool reverse = (!_reverse && !ta->_reverse) || (_reverse && ta->_reverse);
+
+  CullFaceAttrib *attrib = new CullFaceAttrib(mode, reverse);
+  return return_new(attrib);
+}
 
 ////////////////////////////////////////////////////////////////////
 //     Function: CullFaceAttrib::make_default_impl
@@ -111,7 +253,7 @@ compare_to_impl(const RenderAttrib *other) const {
 ////////////////////////////////////////////////////////////////////
 RenderAttrib *CullFaceAttrib::
 make_default_impl() const {
-  return new CullFaceAttrib;
+  return new CullFaceAttrib(M_cull_clockwise, false);
 }
 
 ////////////////////////////////////////////////////////////////////
@@ -136,6 +278,7 @@ write_datagram(BamWriter *manager, Datagram &dg) {
   RenderAttrib::write_datagram(manager, dg);
 
   dg.add_int8(_mode);
+  dg.add_bool(_reverse);
 }
 
 ////////////////////////////////////////////////////////////////////
@@ -148,7 +291,7 @@ write_datagram(BamWriter *manager, Datagram &dg) {
 ////////////////////////////////////////////////////////////////////
 TypedWritable *CullFaceAttrib::
 make_from_bam(const FactoryParams &params) {
-  CullFaceAttrib *attrib = new CullFaceAttrib;
+  CullFaceAttrib *attrib = new CullFaceAttrib(M_cull_none, false);
   DatagramIterator scan;
   BamReader *manager;
 
@@ -170,4 +313,7 @@ fillin(DatagramIterator &scan, BamReader *manager) {
   RenderAttrib::fillin(scan, manager);
 
   _mode = (Mode)scan.get_int8();
+  if (manager->get_file_minor_ver() >= 1) {
+    _reverse = scan.get_bool();
+  }
 }

panda/src/pgraph/cullFaceAttrib.h

@@ -34,15 +34,19 @@ PUBLISHED:
     M_cull_none,                // Cull no polygons
     M_cull_clockwise,           // Cull clockwise-oriented polygons
     M_cull_counter_clockwise,   // Cull counter-clockwise-oriented polygons
+    M_cull_unchanged,           // Do not change existing cull behavior
   };
 
 private:
-  INLINE CullFaceAttrib(Mode mode = M_cull_clockwise);
+  INLINE CullFaceAttrib(Mode mode, bool reverse);
 
 PUBLISHED:
   static CPT(RenderAttrib) make(Mode mode = M_cull_clockwise);
+  static CPT(RenderAttrib) make_reverse();
 
-  INLINE Mode get_mode() const;
+  INLINE Mode get_actual_mode() const;
+  INLINE bool get_reverse() const;
+  Mode get_effective_mode() const;
 
 public:
   virtual void issue(GraphicsStateGuardianBase *gsg) const;
@@ -50,10 +54,13 @@ public:
 
 protected:
   virtual int compare_to_impl(const RenderAttrib *other) const;
+  virtual CPT(RenderAttrib) compose_impl(const RenderAttrib *other) const;
+  virtual CPT(RenderAttrib) invert_compose_impl(const RenderAttrib *other) const;
   virtual RenderAttrib *make_default_impl() const;
 
 private:
   Mode _mode;
+  bool _reverse;
 
 public:
   static void register_with_read_factory();

panda/src/pgraph/nodePath.cxx

@@ -2057,7 +2057,7 @@ get_two_sided() const {
     node()->get_attrib(CullFaceAttrib::get_class_type());
   if (attrib != (const RenderAttrib *)NULL) {
     const CullFaceAttrib *cfa = DCAST(CullFaceAttrib, attrib);
-    return (cfa->get_mode() == CullFaceAttrib::M_cull_none);
+    return (cfa->get_actual_mode() == CullFaceAttrib::M_cull_none);
   }
 
   return false;

panda/src/putil/bam.h

@@ -34,7 +34,8 @@ static const unsigned short _bam_major_ver = 4;
 // Bumped to major version 3 on 12/8/00 to change float64's to float32's.
 // Bumped to major version 4 on 4/10/02 to store new scene graph.
 
-static const unsigned short _bam_minor_ver = 0;
+static const unsigned short _bam_minor_ver = 1;
+// Bumped to minor version 1 on 4/10/03 to add CullFaceAttrib::reverse.
 
 
 #endif

pandatool/src/bam/bamToEgg.cxx

@@ -315,7 +315,7 @@ convert_geom_tri(GeomTri *geom, const RenderState *net_state,
   const RenderAttrib *cf_attrib = net_state->get_attrib(CullFaceAttrib::get_class_type());
   if (cf_attrib != (const RenderAttrib *)NULL) {
     const CullFaceAttrib *cfa = DCAST(CullFaceAttrib, cf_attrib);
-    if (cfa->get_mode() == CullFaceAttrib::M_cull_none) {
+    if (cfa->get_effective_mode() == CullFaceAttrib::M_cull_none) {
       bface = true;
     }
   }
@@ -617,155 +617,6 @@ get_egg_texture(Texture *tex) {
   return NULL;
 }
 
-#if 0
-
-
-////////////////////////////////////////////////////////////////////
-//     Function: BamToEgg::GeomState::Constructor
-//       Access: Public
-//  Description: 
-////////////////////////////////////////////////////////////////////
-BamToEgg::GeomState::
-GeomState() {
-  _mat = LMatrix4f::ident_mat();
-  _tex_mat = LMatrix4f::ident_mat();
-  _color_mat = LMatrix4f::ident_mat();
-  _alpha_scale = 1.0;
-  _alpha_offset = 0.0;
-  _tex = (Texture *)NULL;
-  _bface = false;
-}
-
-////////////////////////////////////////////////////////////////////
-//     Function: BamToEgg::GeomState::get_net_state
-//       Access: Public
-//  Description: Gets the accumulated state of the indicated node (and
-//               its corresponding ArcChain) into the GeomState.
-////////////////////////////////////////////////////////////////////
-void BamToEgg::GeomState::
-get_net_state(Node *node, ArcChain &chain, EggGroupNode *egg_parent) {
-  AllTransitionsWrapper atw;
-
-  wrt(node, chain.begin(), chain.end(),
-      (Node *)NULL,
-      atw, RenderRelation::get_class_type());
-
-  // Check for transform space.
-  const TransformTransition *tt;
-  if (get_transition_into(tt, atw)) {
-    _mat = tt->get_matrix();
-    LMatrix4f inv = LCAST(float, egg_parent->get_vertex_frame_inv());
-    _mat = _mat * inv;
-  }
-
-  // Check for texture matrix.
-  const TexMatrixTransition *tmt;
-  if (get_transition_into(tmt, atw)) {
-    _tex_mat = tmt->get_matrix();
-  }
-
-  // Check for color matrix.
-  const ColorMatrixTransition *cmt;
-  if (get_transition_into(cmt, atw)) {
-    _color_mat = cmt->get_matrix();
-  }
-
-  // Check for alpha scale/offset.
-  const AlphaTransformTransition *att;
-  if (get_transition_into(att, atw)) {
-    _alpha_scale = att->get_scale();
-    _alpha_offset = att->get_offset();
-  }
-
-  // Check for texture.
-  const TextureTransition *txt;
-  if (get_transition_into(txt, atw)) {
-    if (txt->is_on()) {
-      _tex = txt->get_texture();
-    }
-  }
-
-  // Check for bface.
-  const CullFaceTransition *cft;
-  if (get_transition_into(cft, atw)) {
-    if (cft->get_mode() == CullFaceProperty::M_cull_none) {
-      _bface = true;
-    }
-  }
-}
-
-////////////////////////////////////////////////////////////////////
-//     Function: BamToEgg::GeomState::apply_vertex
-//       Access: Public
-//  Description: Applies the indicated vertex coordinate to the given
-//               EggVertex, after modifying it according to the
-//               current state.
-////////////////////////////////////////////////////////////////////
-void BamToEgg::GeomState::
-apply_vertex(EggVertex &egg_vert, const Vertexf &vertex) {
-  LPoint3f transformed = vertex * _mat;
-  egg_vert.set_pos(LCAST(double, transformed));
-}
-
-////////////////////////////////////////////////////////////////////
-//     Function: BamToEgg::GeomState::apply_normal
-//       Access: Public
-//  Description: Applies the indicated vertex normal to the given
-//               EggVertex, after modifying it according to the
-//               current state.
-////////////////////////////////////////////////////////////////////
-void BamToEgg::GeomState::
-apply_normal(EggVertex &egg_vert, const Normalf &normal) {
-  LPoint3f transformed = normal * _mat;
-  egg_vert.set_normal(LCAST(double, transformed));
-}
-
-////////////////////////////////////////////////////////////////////
-//     Function: BamToEgg::GeomState::apply_uv
-//       Access: Public
-//  Description: Applies the indicated vertex UV to the given
-//               EggVertex, after modifying it according to the
-//               current state.
-////////////////////////////////////////////////////////////////////
-void BamToEgg::GeomState::
-apply_uv(EggVertex &egg_vert, const TexCoordf &uv) {
-  LVecBase4f v4(uv[0], uv[1], 0.0, 1.0);
-  v4 = v4 * _tex_mat;
-  egg_vert.set_uv(LCAST(double, uv));
-}
-
-////////////////////////////////////////////////////////////////////
-//     Function: BamToEgg::GeomState::apply_color
-//       Access: Public
-//  Description: Applies the indicated vertex color to the given
-//               EggVertex, after modifying it according to the
-//               current state.
-////////////////////////////////////////////////////////////////////
-void BamToEgg::GeomState::
-apply_color(EggVertex &egg_vert, const Colorf &color) {
-  LPoint3f temp(color[0], color[1], color[2]);
-  temp = temp * _color_mat;
-  float alpha = (color[3] * _alpha_scale) +
-    _alpha_offset;
-  
-  Colorf transformed(temp[0], temp[1], temp[2], alpha);
-  egg_vert.set_color(transformed);
-}
-
-////////////////////////////////////////////////////////////////////
-//     Function: BamToEgg::GeomState::apply_prim
-//       Access: Public
-//  Description: Applies generic, non-vertex-specific properties to
-//               the primitive.
-////////////////////////////////////////////////////////////////////
-void BamToEgg::GeomState::
-apply_prim(EggPrimitive *egg_prim) {
-  if (_bface) {
-    egg_prim->set_bface_flag(true);
-  }
-}
-#endif
-
 
 int main(int argc, char *argv[]) {
   BamToEgg prog;

pandatool/src/egg-palettize/palettizer.cxx

@@ -41,7 +41,7 @@ Palettizer *pal = (Palettizer *)NULL;
 // allows us to easily update egg-palettize to write out additional
 // information to its pi file, without having it increment the bam
 // version number for all bam and boo files anywhere in the world.
-int Palettizer::_pi_version = 7;
+int Palettizer::_pi_version = 8;
 // Updated to version 1 on 12/11/00 to add _remap_char_uv.
 // Updated to version 2 on 12/19/00 to add TexturePlacement::_dest.
 // Updated to version 3 on 12/19/00 to add PaletteGroup::_dependency_order.
@@ -49,6 +49,7 @@ int Palettizer::_pi_version = 7;
 // Updated to version 5 on 10/31/01 to add TextureProperties::_force_format.
 // Updated to version 6 on 3/14/02 to add TextureImage::_alpha_mode.
 // Updated to version 7 on 8/23/02 to add TextureProperties::_anisotropic_degree.
+// Updated to version 8 on 3/20/03 to remove extensions from texture key names.
 
 int Palettizer::_read_pi_version = 0;
 
@@ -962,6 +963,7 @@ complete_pointers(TypedWritable **p_list, BamReader *manager) {
   for (i = 0; i < _num_textures; i++) {
     TextureImage *texture;
     DCAST_INTO_R(texture, p_list[index], index);
+
     _textures.insert(Textures::value_type(texture->get_name(), texture));
     index++;
   }

pandatool/src/egg-palettize/textureImage.cxx

@@ -1290,14 +1290,20 @@ complete_pointers(TypedWritable **p_list, BamReader *manager) {
                                 source->get_alpha_filename());
 
     bool inserted = _sources.insert(Sources::value_type(key, source)).second;
-    nassertr(inserted, pi);
+    if (!inserted) {
+      nout << "Warning: texture key " << key
+           << " is nonunique; texture lost.\n";
+    }
   }
 
   for (i = 0; i < _num_dests; i++) {
     DestTextureImage *dest;
     DCAST_INTO_R(dest, p_list[pi++], pi);
     bool inserted = _dests.insert(Dests::value_type(dest->get_filename(), dest)).second;
-    nassertr(inserted, pi);
+    if (!inserted) {
+      nout << "Warning: dest filename " << dest->get_filename()
+           << " is nonunique; texture lost.\n";
+    }
   }
 
   return pi;

pandatool/src/egg-palettize/textureReference.cxx

@@ -106,7 +106,7 @@ from_egg(EggFile *egg_file, EggData *data, EggTexture *egg_tex) {
   _properties._magfilter = _egg_tex->get_magfilter();
   _properties._anisotropic_degree = _egg_tex->get_anisotropic_degree();
 
-  string name = filename.get_basename();
+  string name = filename.get_basename_wo_extension();
   TextureImage *texture = pal->get_texture(name);
   _source_texture = texture->get_source(filename, alpha_filename);
   _source_texture->update_properties(_properties);

pandatool/src/egg-palettize/txaLine.cxx

@@ -73,7 +73,7 @@ parse(const string &line) {
 
   vector_string::iterator wi;
   for (wi = words.begin(); wi != words.end(); ++wi) {
-    const string &word = (*wi);
+    string word = (*wi);
 
     // If the pattern ends in the string ".egg", and only if it ends
     // in this string, it is deemed an egg pattern and will only be
@@ -82,8 +82,15 @@ parse(const string &line) {
     // textures.
     if (word.length() > 4 && word.substr(word.length() - 4) == ".egg") {
       _egg_patterns.push_back(GlobPattern(word));
+
     } else {
-      _texture_patterns.push_back(GlobPattern(*wi));
+      // However, the filename extension, if any, is stripped off
+      // because the texture key names nowadays don't include them.
+      size_t dot = word.rfind('.');
+      if (dot != string::npos) {
+        word = word.substr(0, dot);
+      }
+      _texture_patterns.push_back(GlobPattern(word));
     }
   }