move mayaShader into maya

pandatool/src/maya/Sources.pp

@@ -13,6 +13,8 @@
   #define SOURCES \
     config_maya.cxx config_maya.h \
     mayaApi.cxx mayaApi.h \
+    mayaShader.cxx mayaShader.h \
+    mayaShaders.cxx mayaShaders.h \
     maya_funcs.I maya_funcs.cxx maya_funcs.h \
     post_maya_include.h pre_maya_include.h
 

pandatool/src/maya/mayaShader.cxx

@@ -18,12 +18,7 @@
 
 #include "mayaShader.h"
 #include "maya_funcs.h"
-#include "mayaToEggConverter.h"
-#include "config_mayaegg.h"
-
-#include "eggPrimitive.h"
-#include "eggTexture.h"
-#include "eggTextureCollection.h"
+#include "config_maya.h"
 
 #include "pre_maya_include.h"
 #include <maya/MFnDependencyNode.h>
@@ -42,9 +37,7 @@
 //               relevant shader properties.
 ////////////////////////////////////////////////////////////////////
 MayaShader::
-MayaShader(MObject engine, MayaToEggConverter *converter) :
-  _converter(converter)
-{
+MayaShader(MObject engine) {
   _has_color = false;
   _transparency = 0.0;
 
@@ -67,8 +60,8 @@ MayaShader(MObject engine, MayaToEggConverter *converter) :
 
   _name = engine_fn.name().asChar();
 
-  if (mayaegg_cat.is_debug()) {
-    mayaegg_cat.debug()
+  if (maya_cat.is_debug()) {
+    maya_cat.debug()
       << "Reading shading engine " << _name << "\n";
   }
 
@@ -85,44 +78,6 @@ MayaShader(MObject engine, MayaToEggConverter *converter) :
   }
 }
 
-////////////////////////////////////////////////////////////////////
-//     Function: MayaShader::set_attributes
-//       Access: Public
-//  Description: Applies the known shader attributes to the indicated
-//               egg primitive.
-////////////////////////////////////////////////////////////////////
-void MayaShader::
-set_attributes(EggPrimitive &primitive, MayaToEggConverter &conv) {
-  // In Maya, a polygon is either textured or colored.  The texture,
-  // if present, replaces the color.
-
-  if (_has_texture) {
-    EggTextureCollection &textures = conv._textures;
-
-    Filename pathname = _converter->convert_texture_path(_texture);
-    EggTexture tex(_name, pathname);
-    tex.set_wrap_u(_wrap_u ? EggTexture::WM_repeat : EggTexture::WM_clamp);
-    tex.set_wrap_v(_wrap_v ? EggTexture::WM_repeat : EggTexture::WM_clamp);
- 
-    // Let's mipmap all textures by default.
-    tex.set_minfilter(EggTexture::FT_linear_mipmap_linear);
-    tex.set_magfilter(EggTexture::FT_linear);
-
-    LMatrix3d mat = compute_texture_matrix();
-    if (!mat.almost_equal(LMatrix3d::ident_mat())) {
-      tex.set_transform(mat);
-    }
-
-    EggTexture *new_tex =
-      textures.create_unique_texture(tex, ~EggTexture::E_tref_name);
-
-    primitive.set_texture(new_tex);
-
-  } else if (_has_color) {
-    primitive.set_color(Colorf(_color[0], _color[1], _color[2], 1.0));
-  }
-}
-
 ////////////////////////////////////////////////////////////////////
 //     Function: MayaShader::compute_texture_matrix
 //       Access: Public
@@ -181,8 +136,8 @@ read_surface_shader(MObject shader) {
   MStatus status;
   MFnDependencyNode shader_fn(shader);
 
-  if (mayaegg_cat.is_spam()) {
-    mayaegg_cat.spam()
+  if (maya_cat.is_spam()) {
+    maya_cat.spam()
       << "  Reading surface shader " << shader_fn.name() << "\n";
   }
 
@@ -212,8 +167,8 @@ read_surface_shader(MObject shader) {
   }
 
   if (!_has_color && !_has_texture) {
-    if (mayaegg_cat.is_spam()) {
-      mayaegg_cat.spam()
+    if (maya_cat.is_spam()) {
+      maya_cat.spam()
         << "  Color definition not found.\n";
     }
   }
@@ -251,8 +206,8 @@ read_surface_color(MObject color) {
 
   } else {
     // This shader wasn't understood.
-    if (mayaegg_cat.is_debug()) {
-      mayaegg_cat.info()
+    if (maya_cat.is_debug()) {
+      maya_cat.info()
         << "**Don't know how to interpret color attribute type "
         << color.apiTypeStr() << "\n";
 
@@ -261,7 +216,7 @@ read_surface_color(MObject color) {
       // of unsupportted shader once.
       static pset<MFn::Type> bad_types;
       if (bad_types.insert(color.apiType()).second) {
-        mayaegg_cat.info()
+        maya_cat.info()
           << "**Don't know how to interpret color attribute type "
           << color.apiTypeStr() << "\n";
       }

pandatool/src/maya/mayaShader.h

@@ -25,20 +25,19 @@
 #include "lmatrix.h"
 
 class MObject;
-class MayaToEggConverter;
-class EggPrimitive;
 
 ////////////////////////////////////////////////////////////////////
 //       Class : MayaShader
 // Description : Corresponds to a single "shader" in Maya.  This
 //               extracts out all the parameters of a Maya shader that
-//               are meaningful to egg.
+//               we might care about.  There are many more parameters
+//               that we don't care about or don't know enough to
+//               extract.
 ////////////////////////////////////////////////////////////////////
 class MayaShader {
 public:
-  MayaShader(MObject engine, MayaToEggConverter *converter);
+  MayaShader(MObject engine);
 
-  void set_attributes(EggPrimitive &primitive, MayaToEggConverter &conv);
   LMatrix3d compute_texture_matrix();
 
   void output(ostream &out) const;
@@ -68,11 +67,9 @@ public:
 private:
   bool read_surface_shader(MObject shader);
   void read_surface_color(MObject color);
-
-  MayaToEggConverter *_converter;
 };
 
-inline ostream &operator << (ostream &out, const MayaShader &shader) {
+INLINE ostream &operator << (ostream &out, const MayaShader &shader) {
   shader.output(out);
   return out;
 }

pandatool/src/maya/mayaShaders.cxx

@@ -19,7 +19,7 @@
 #include "mayaShaders.h"
 #include "mayaShader.h"
 #include "maya_funcs.h"
-#include "config_mayaegg.h"
+#include "config_maya.h"
 
 #include "pre_maya_include.h"
 #include <maya/MStatus.h>
@@ -36,9 +36,7 @@
 //  Description:
 ////////////////////////////////////////////////////////////////////
 MayaShaders::
-MayaShaders(MayaToEggConverter *converter) :
-  _converter(converter)
-{
+MayaShaders() {
 }
 
 ////////////////////////////////////////////////////////////////////
@@ -65,7 +63,7 @@ find_shader_for_node(MObject node) {
   MObject iog_attr = node_fn.attribute("instObjGroups", &status);
   if (!status) {
     // The node is not renderable.  What are you thinking?
-    mayaegg_cat.error()
+    maya_cat.error()
       << node_fn.name() << " : not a renderable object.\n";
     return (MayaShader *)NULL;
   }
@@ -79,7 +77,7 @@ find_shader_for_node(MObject node) {
   iog_plug.elementByLogicalIndex(0).connectedTo(iog_pa, false, true, &status);
   if (!status) {
     // No shading group defined for this object.
-    mayaegg_cat.error()
+    maya_cat.error()
       << node_fn.name() << " : no shading group defined.\n";
     return (MayaShader *)NULL;
   }
@@ -97,7 +95,7 @@ find_shader_for_node(MObject node) {
   }
 
   // Well, we didn't find a ShadingEngine after all.  Huh.
-  mayaegg_cat.info()
+  maya_cat.info()
     << node_fn.name() << " : no shading engine found.\n";
   return (MayaShader *)NULL;
 }
@@ -123,7 +121,7 @@ find_shader_for_shading_engine(MObject engine) {
 
   // All right, this is a newly encountered shading engine.  Create a
   // new MayaShader object to represent it.
-  MayaShader *shader = new MayaShader(engine, _converter);
+  MayaShader *shader = new MayaShader(engine);
 
   // Record this for the future.
   _shaders.insert(Shaders::value_type(engine_name, shader));

pandatool/src/maya/mayaShaders.h

@@ -24,7 +24,6 @@
 #include "pmap.h"
 
 class MayaShader;
-class MayaToEggConverter;
 class MObject;
 
 ////////////////////////////////////////////////////////////////////
@@ -34,7 +33,7 @@ class MObject;
 ////////////////////////////////////////////////////////////////////
 class MayaShaders {
 public:
-  MayaShaders(MayaToEggConverter *converter);
+  MayaShaders();
   ~MayaShaders();
   MayaShader *find_shader_for_node(MObject node);
   MayaShader *find_shader_for_shading_engine(MObject engine);
@@ -44,8 +43,6 @@ public:
 private:
   typedef pmap<string, MayaShader *> Shaders;
   Shaders _shaders;
-
-  MayaToEggConverter *_converter;
 };
 
 #endif

pandatool/src/mayaegg/Sources.pp

@@ -16,8 +16,6 @@
 
   #define SOURCES \
     config_mayaegg.cxx config_mayaegg.h \
-    mayaShader.cxx mayaShader.h \
-    mayaShaders.cxx mayaShaders.h \
     mayaToEggConverter.cxx mayaToEggConverter.h
 
 #end ss_lib_target

pandatool/src/mayaegg/mayaToEggConverter.cxx

@@ -28,6 +28,9 @@
 #include "eggNurbsSurface.h"
 #include "eggNurbsCurve.h"
 #include "eggPolygon.h"
+#include "eggPrimitive.h"
+#include "eggTexture.h"
+#include "eggTextureCollection.h"
 #include "string_utils.h"
 
 #include "pre_maya_include.h"
@@ -627,7 +630,7 @@ make_nurbs_surface(const MDagPath &dag_path, MFnNurbsSurface &surface,
   egg_group->add_child(egg_nurbs);
 
   if (shader != (MayaShader *)NULL) {
-    shader->set_attributes(*egg_nurbs, *this);
+    set_shader_attributes(*egg_nurbs, *shader);
   }
 }
 
@@ -979,3 +982,40 @@ get_egg_group(const string &name, EggData &data) {
   _groups.insert(Groups::value_type(name, egg_group));
   return egg_group;
 }
+
+////////////////////////////////////////////////////////////////////
+//     Function: MayaShader::set_shader_attributes
+//       Access: Public
+//  Description: Applies the known shader attributes to the indicated
+//               egg primitive.
+////////////////////////////////////////////////////////////////////
+void MayaToEggConverter::
+set_shader_attributes(EggPrimitive &primitive, const MayaShader &shader) {
+  // In Maya, a polygon is either textured or colored.  The texture,
+  // if present, replaces the color.
+
+  if (shader._has_texture) {
+    Filename pathname = convert_texture_path(_texture);
+    EggTexture tex(shader._name, pathname);
+    tex.set_wrap_u(shader._wrap_u ? EggTexture::WM_repeat : EggTexture::WM_clamp);
+    tex.set_wrap_v(shader._wrap_v ? EggTexture::WM_repeat : EggTexture::WM_clamp);
+ 
+    // Let's mipmap all textures by default.
+    tex.set_minfilter(EggTexture::FT_linear_mipmap_linear);
+    tex.set_magfilter(EggTexture::FT_linear);
+
+    LMatrix3d mat = shader.compute_texture_matrix();
+    if (!mat.almost_equal(LMatrix3d::ident_mat())) {
+      tex.set_transform(mat);
+    }
+
+    EggTexture *new_tex =
+      _textures.create_unique_texture(tex, ~EggTexture::E_tref_name);
+
+    primitive.set_texture(new_tex);
+
+  } else if (shader._has_color) {
+    primitive.set_color(Colorf(shader._color[0], shader._color[1], 
+                               shader._color[2], 1.0f));
+  }
+}

pandatool/src/mayaegg/mayaToEggConverter.h

@@ -32,6 +32,7 @@ class EggData;
 class EggGroup;
 class EggVertexPool;
 class EggNurbsCurve;
+class EggPrimitive;
 
 class MDagPath;
 class MFnNurbsSurface;
@@ -89,6 +90,8 @@ private:
                     MayaShader *default_shader = NULL);
 
   EggGroup *get_egg_group(const string &name, EggData &data);
+  void set_shader_attributes(EggPrimitive &primitive,
+                             const MayaShader &shader);
 
   typedef pmap<string, EggGroup *> Groups;
   Groups _groups;