*** empty log message ***

pandatool/src/egg-palettize/Sources.pp

@@ -15,12 +15,13 @@
     eggFile.cxx eggFile.h eggPalettize.cxx eggPalettize.h \
     filenameUnifier.cxx filenameUnifier.h \
     imageFile.cxx imageFile.h omitReason.cxx omitReason.h \
+    pal_string_utils.cxx pal_string_utils.h \
     paletteGroup.h paletteGroup.cxx \
     paletteGroups.h paletteGroups.cxx paletteImage.h paletteImage.cxx \
     palettePage.cxx palettePage.h \
     palettizer.cxx palettizer.h \
-    sourceTextureImage.cxx sourceTextureImage.h string_utils.cxx \
-    string_utils.h textureImage.cxx textureImage.h \
+    sourceTextureImage.cxx sourceTextureImage.h \
+    textureImage.cxx textureImage.h \
     texturePlacement.cxx texturePlacement.h \
     texturePosition.cxx texturePosition.h \
     textureProperties.cxx textureProperties.h textureReference.cxx \

pandatool/src/egg-palettize/eggFile.cxx

@@ -92,7 +92,15 @@ scan_textures() {
     TextureReference *ref = new TextureReference;
     ref->from_egg(this, _data, egg_tex);
 
-    _textures.push_back(ref);
+    if (!ref->has_uvs()) {
+      // This texture isn't *really* referenced.  (Usually this
+      // happens if the texture is only referenced by "backstage"
+      // geometry, which we don't care about.)
+      delete ref;
+
+    } else {
+      _textures.push_back(ref);
+    }
   }
 }
 

pandatool/src/egg-palettize/eggPalettize.cxx

@@ -6,7 +6,7 @@
 #include "eggPalettize.h"
 #include "palettizer.h"
 #include "eggFile.h"
-#include "string_utils.h"
+#include "pal_string_utils.h"
 #include "filenameUnifier.h"
 
 #include <eggData.h>
@@ -252,8 +252,17 @@ describe_input_file() {
 	    "to groups; instead, it is more useful to assign the egg files "
 	    "they appear on to groups; see below.\n\n");
 
+  show_text("  cont", 10,
+	    "Normally, a texture file (or egg file) scans the lines in the "
+	    "attributes file from the top, and stops on the first line that "
+	    "matches its name.  If the keyword 'cont' is included on the "
+	    "line, however, the texture will apply the properties given "
+	    "on the line, and then continue scanning.  This trick may be "
+	    "used to specify general parameters for all files while still "
+	    "allowing the texture to match a more specific line below.\n\n");
+
   nout << 
-    "The attributes file may also assign certain egg files into various "
+    "The attributes file may also assign egg files to various "
     "named palette groups.  The syntax is similar to the above:\n\n"
 
     "  car-blue.egg : main\n"
@@ -263,7 +272,7 @@ describe_input_file() {
 
     "Any number of egg files may be named on one line, and the group of "
     "egg files may be simultaneously assigned to one or more groups.  "
-    "The groups are defined using the :group command (see below).  "
+    "The valid set of groups are defined using the :group command (see below).  "
     "Each texture that is referenced by a given egg file will be palettized "
     "into at least one of the groups assigned to the egg file.\n\n"
 
@@ -304,6 +313,31 @@ describe_input_file() {
 	    "also be overridden for a particular texture using the 'coverage' "
 	    "keyword on the texture line.\n\n");
 
+  show_text("  :imagetype type[,alpha_type]", 10,
+	    "This specifies the default type of image file that should be "
+	    "generated for each palette image and for each unplaced texture "
+	    "copied into the install directory.  This may be overridden for "
+	    "a particular texture by specifying the image type on the "
+	    "texture line.\n\n"
+
+	    "If two image type names separate by a comma are given, it means "
+	    "to generate a second file of the second type for the alpha "
+	    "channel, for images that require an alpha channel.  This allows "
+	    "support for image file formats that do not support alpha "
+	    "(for instance, JPEG).\n\n");
+
+  show_text("  :shadowtype type[,alpha_type]", 10,
+	    "When generating palette images, egg-palettize sometimes has to "
+	    "read and write the same palette image repeatedly.  If the "
+	    "palette image is stored in a lossy file format (like JPEG, see "
+	    ":imagetype), this can eventually lead to degradation of the "
+	    "palette images.  As a workaround, egg-palettize can store "
+	    "its working copies of the palette images in lossless shadow "
+	    "images.  Specify this to enable this feature; give it the "
+	    "name of a lossless image file format.  The shadow images will "
+	    "be written to the directory specified by -ds on the command "
+	    "line.\n\n");
+
   show_text("  :group groupname [dir dirname] [with group1 group2 ...]", 10,
 	    "This defines a palette group, a logical division of textures.  "
 	    "Each texture is assigned to one or more palette groups before "
@@ -369,6 +403,9 @@ run() {
     // Read the Palettizer object from the Bam file written
     // previously.  This will recover all of the state saved from the
     // past session.
+    nout << "Reading " << FilenameUnifier::make_user_filename(state_filename)
+	 << "\n";
+
     if (!state_file.open_read(state_filename)) {
       nout << FilenameUnifier::make_user_filename(state_filename)
 	   << " exists, but cannot be read.  Perhaps you should remove it so a new one can be created.\n";

pandatool/src/egg-palettize/filenameUnifier.cxx

@@ -11,6 +11,8 @@ Filename FilenameUnifier::_txa_filename;
 Filename FilenameUnifier::_txa_dir;
 Filename FilenameUnifier::_rel_dirname;
 
+FilenameUnifier::CanonicalFilenames FilenameUnifier::_canonical_filenames;
+
 ////////////////////////////////////////////////////////////////////
 //     Function: FilenameUnifier::set_txa_filename
 //       Access: Public, Static
@@ -28,7 +30,7 @@ set_txa_filename(const Filename &txa_filename) {
   if (_txa_dir.empty()) {
     _txa_dir = ".";
   }
-  _txa_dir.make_canonical();
+  make_canonical(_txa_dir);
 }
 
 ////////////////////////////////////////////////////////////////////
@@ -47,7 +49,7 @@ void FilenameUnifier::
 set_rel_dirname(const Filename &rel_dirname) {
   _rel_dirname = rel_dirname;
   if (!_rel_dirname.empty()) {
-    _rel_dirname.make_canonical();
+    make_canonical(_rel_dirname);
   }
 }
 
@@ -59,7 +61,7 @@ set_rel_dirname(const Filename &rel_dirname) {
 ////////////////////////////////////////////////////////////////////
 Filename FilenameUnifier::
 make_bam_filename(Filename filename) {
-  filename.make_canonical();
+  make_canonical(filename);
   filename.make_relative_to(_txa_dir);
   return filename;
 }
@@ -89,7 +91,7 @@ get_bam_filename(Filename filename) {
 Filename FilenameUnifier::
 make_egg_filename(Filename filename) {
   if (!filename.empty()) {
-    filename.make_canonical();
+    make_canonical(filename);
     filename.make_relative_to(_rel_dirname);
   }
   return filename;
@@ -105,8 +107,36 @@ make_egg_filename(Filename filename) {
 Filename FilenameUnifier::
 make_user_filename(Filename filename) {
   if (!filename.empty()) {
-    filename.make_canonical();
+    make_canonical(filename);
     filename.make_relative_to(ExecutionEnvironment::get_cwd());
   }
   return filename;
 }
+
+////////////////////////////////////////////////////////////////////
+//     Function: FilenameUnifier::make_canonical
+//       Access: Private, Static
+//  Description: Does the same thing as Filename::make_canonical()--it
+//               converts the filename to its canonical form--but
+//               caches the operation so that repeated calls to
+//               filenames in the same directory will tend to be
+//               faster.
+////////////////////////////////////////////////////////////////////
+void FilenameUnifier::
+make_canonical(Filename &filename) {
+  if (filename.empty()) {
+    return;
+  }
+
+  string dirname = filename.get_dirname();
+
+  CanonicalFilenames::iterator fi;
+  fi = _canonical_filenames.find(dirname);
+  if (fi != _canonical_filenames.end()) {
+    filename.set_dirname((*fi).second);
+    return;
+  }
+
+  filename.make_canonical();
+  _canonical_filenames.insert(CanonicalFilenames::value_type(dirname, filename.get_dirname()));
+}

pandatool/src/egg-palettize/filenameUnifier.h

@@ -10,6 +10,8 @@
 
 #include <filename.h>
 
+#include <map>
+
 ////////////////////////////////////////////////////////////////////
 // 	 Class : FilenameUnifier
 // Description : This static class does the job of converting
@@ -31,9 +33,14 @@ public:
   static Filename make_user_filename(Filename filename);
 
 private:
+  static void make_canonical(Filename &filename);
+
   static Filename _txa_filename;
   static Filename _txa_dir;
   static Filename _rel_dirname;
+
+  typedef map<string, string> CanonicalFilenames;
+  static CanonicalFilenames _canonical_filenames;
 };
 
 #endif

pandatool/src/egg-palettize/pal_string_utils.cxx

@@ -1,9 +1,9 @@
-// Filename: string_utils.cxx
+// Filename: pal_string_utils.cxx
 // Created by:  drose (30Nov00)
 // 
 ////////////////////////////////////////////////////////////////////
 
-#include "string_utils.h"
+#include "pal_string_utils.h"
 
 #include <pnmFileType.h>
 #include <pnmFileTypeRegistry.h>

pandatool/src/egg-palettize/pal_string_utils.h

@@ -1,10 +1,10 @@
-// Filename: string_utils.h
+// Filename: pal_string_utils.h
 // Created by:  drose (30Nov00)
 // 
 ////////////////////////////////////////////////////////////////////
 
-#ifndef STRING_UTILS_H
-#define STRING_UTILS_H
+#ifndef PAL_STRING_UTILS_H
+#define PAL_STRING_UTILS_H
 
 #include <pandatoolbase.h>
 #include <vector_string.h>

pandatool/src/egg-palettize/paletteImage.cxx

@@ -601,6 +601,7 @@ get_image() {
     if (pal->_shadow_color_type != (PNMFileType *)NULL) {
       if (_shadow_image.read(_image)) {
 	_got_image = true;
+	return;
       }
     } else {
       if (read(_image)) {

pandatool/src/egg-palettize/palettizer.cxx

@@ -6,7 +6,7 @@
 #include "palettizer.h"
 #include "eggFile.h"
 #include "textureImage.h"
-#include "string_utils.h"
+#include "pal_string_utils.h"
 #include "paletteGroup.h"
 #include "filenameUnifier.h"
 

pandatool/src/egg-palettize/textureImage.cxx

@@ -374,6 +374,12 @@ get_margin() const {
 ////////////////////////////////////////////////////////////////////
 bool TextureImage::
 is_surprise() const {
+  if (_placement.empty()) {
+    // A texture that is not actually placed anywhere is not
+    // considered a surprise.
+    return false;
+  }
+
   return _is_surprise;
 }
 

pandatool/src/egg-palettize/textureReference.cxx

@@ -16,12 +16,14 @@
 #include <eggTexture.h>
 #include <eggData.h>
 #include <eggGroupNode.h>
+#include <eggGroup.h>
 #include <eggNurbsSurface.h>
 #include <eggVertexPool.h>
 #include <datagram.h>
 #include <datagramIterator.h>
 #include <bamReader.h>
 #include <bamWriter.h>
+#include <string_utils.h>
 
 #include <math.h>
 
@@ -394,11 +396,21 @@ write(ostream &out, int indent_level) const {
 ////////////////////////////////////////////////////////////////////
 void TextureReference::
 get_uv_range(EggGroupNode *group) {
-  EggGroupNode::iterator ci;
+  if (group->is_of_type(EggGroup::get_class_type())) {
+    EggGroup *egg_group;
+    DCAST_INTO_V(egg_group, group);
+    if (egg_group->has_objecttype() &&
+	cmp_nocase_uh(egg_group->get_objecttype(), "backstage") == 0) {
+      // If we reach a <Group> node with the "backstage" flag set,
+      // ignore it and everything under it.
+      return;
+    }
+  }
 
   bool group_any_uvs = false;
   TexCoordd group_min_uv, group_max_uv;
 
+  EggGroupNode::iterator ci;
   for (ci = group->begin(); ci != group->end(); ci++) {
     EggNode *child = (*ci);
     if (child->is_of_type(EggNurbsSurface::get_class_type())) {
@@ -473,11 +485,21 @@ get_uv_range(EggGroupNode *group) {
 ////////////////////////////////////////////////////////////////////
 void TextureReference::
 update_uv_range(EggGroupNode *group) {
-  EggGroupNode::iterator ci;
+  if (group->is_of_type(EggGroup::get_class_type())) {
+    EggGroup *egg_group;
+    DCAST_INTO_V(egg_group, group);
+    if (egg_group->has_objecttype() &&
+	cmp_nocase_uh(egg_group->get_objecttype(), "backstage") == 0) {
+      // If we reach a <Group> node with the "backstage" flag set,
+      // ignore it and everything under it.
+      return;
+    }
+  }
 
   bool group_any_uvs = false;
   TexCoordd group_min_uv, group_max_uv;
 
+  EggGroupNode::iterator ci;
   for (ci = group->begin(); ci != group->end(); ci++) {
     EggNode *child = (*ci);
     if (child->is_of_type(EggNurbsSurface::get_class_type())) {

pandatool/src/egg-palettize/txaFile.cxx

@@ -4,7 +4,7 @@
 ////////////////////////////////////////////////////////////////////
 
 #include "txaFile.h"
-#include "string_utils.h"
+#include "pal_string_utils.h"
 #include "palettizer.h"
 #include "paletteGroup.h"
 #include "textureImage.h"

pandatool/src/egg-palettize/txaLine.cxx

@@ -4,7 +4,7 @@
 ////////////////////////////////////////////////////////////////////
 
 #include "txaLine.h"
-#include "string_utils.h"
+#include "pal_string_utils.h"
 #include "eggFile.h"
 #include "palettizer.h"
 #include "textureImage.h"