From d122e0084b45feee5f5722af74ae0539124e0c0e Mon Sep 17 00:00:00 2001
From: David Rose <david@ddrose.com>
Date: Mon, 23 May 2005 22:30:26 +0000
Subject: [PATCH] add sort_filename

---
 panda/src/egg/eggFilenameNode.h        |  8 ++++++++
 panda/src/egg/eggTextureCollection.cxx | 14 ++++++++++++++
 panda/src/egg/eggTextureCollection.h   |  1 +
 3 files changed, 23 insertions(+)

diff --git a/panda/src/egg/eggFilenameNode.h b/panda/src/egg/eggFilenameNode.h
index fd7059d84a..91ae4d35ca 100644
--- a/panda/src/egg/eggFilenameNode.h
+++ b/panda/src/egg/eggFilenameNode.h
@@ -46,6 +46,14 @@ PUBLISHED:
   INLINE const Filename &get_fullpath() const;
   INLINE void set_fullpath(const Filename &fullpath);
 
+public:
+  class IndirectOrderByBasename {
+  public:
+    bool operator () (const EggFilenameNode *a, const EggFilenameNode *b) const {
+      return a->get_filename().get_basename() < b->get_filename().get_basename();
+    }
+  };
+
 private:
   Filename _filename;
   Filename _fullpath;
diff --git a/panda/src/egg/eggTextureCollection.cxx b/panda/src/egg/eggTextureCollection.cxx
index a00645c782..381916fd2c 100644
--- a/panda/src/egg/eggTextureCollection.cxx
+++ b/panda/src/egg/eggTextureCollection.cxx
@@ -421,6 +421,20 @@ sort_by_tref() {
        NamableOrderByName());
 }
 
+////////////////////////////////////////////////////////////////////
+//     Function: EggTextureCollection::sort_by_basename
+//       Access: Public
+//  Description: Sorts all the textures into alphabetical order by
+//               the basename part (including extension) of the
+//               filename.  Subsequent operations using begin()/end()
+//               will traverse in this sorted order.
+////////////////////////////////////////////////////////////////////
+void EggTextureCollection::
+sort_by_basename() {
+  sort(_ordered_textures.begin(), _ordered_textures.end(),
+       EggFilenameNode::IndirectOrderByBasename());
+}
+
 ////////////////////////////////////////////////////////////////////
 //     Function: EggTextureCollection::add_texture
 //       Access: Public
diff --git a/panda/src/egg/eggTextureCollection.h b/panda/src/egg/eggTextureCollection.h
index 214e174143..77d01721ac 100644
--- a/panda/src/egg/eggTextureCollection.h
+++ b/panda/src/egg/eggTextureCollection.h
@@ -83,6 +83,7 @@ PUBLISHED:
 
   void uniquify_trefs();
   void sort_by_tref();
+  void sort_by_basename();
 
 public:
   // Can be used to traverse all the textures in the collection, in