From 4a0b5d3d7ea4ffb502a5b777795b6a07568f0fee Mon Sep 17 00:00:00 2001
From: David Rose <david@ddrose.com>
Date: Thu, 13 Dec 2001 23:28:12 +0000
Subject: [PATCH] bam version 3.5

---
 panda/src/gobj/texture.cxx | 14 +++++++++-----
 panda/src/putil/bam.h      |  3 ++-
 2 files changed, 11 insertions(+), 6 deletions(-)

diff --git a/panda/src/gobj/texture.cxx b/panda/src/gobj/texture.cxx
index 9d03829520..6426e6d6ae 100644
--- a/panda/src/gobj/texture.cxx
+++ b/panda/src/gobj/texture.cxx
@@ -463,7 +463,7 @@ clear_gsg(GraphicsStateGuardianBase *gsg) {
 ////////////////////////////////////////////////////////////////////
 PixelBuffer *Texture::
 get_ram_image() {
-  if (!has_ram_image()) {
+  if (!has_ram_image() && has_name()) {
     // Now we have to reload the texture image.
     gobj_cat.info()
       << "Reloading texture " << get_name() << "\n";
@@ -609,12 +609,18 @@ fillin(DatagramIterator &scan, BamReader *manager) {
   //Texture to know how the parent write_datagram works.  And
   //makes the assumption that the only data being written is
   //the name
-  //  scan.get_uint32();  // For historical purposes
+
+  if (manager->get_file_minor_ver() < 5) {
+    // Obsolete parameter.
+    scan.get_uint32();
+  }
   _wrapu = (enum WrapMode) scan.get_uint8();
   _wrapv = (enum WrapMode) scan.get_uint8();
   _minfilter = (enum FilterType) scan.get_uint8();
   _magfilter = (enum FilterType) scan.get_uint8();
-  //  scan.get_uint16(); // placeholder for obsolete settings, remove this when you feel like bumping bam version number
+  if (manager->get_file_minor_ver() < 5) {
+    scan.get_uint16();
+  }
   _anisotropic_degree = scan.get_int16();
 
   if (scan.get_remaining_size() > 0) {
@@ -646,12 +652,10 @@ fillin(DatagramIterator &scan, BamReader *manager) {
 void Texture::
 write_datagram(BamWriter *manager, Datagram &me) {
   ImageBuffer::write_datagram(manager, me);
-  //  me.add_uint32(0);  // For historical purposes
   me.add_uint8(_wrapu);
   me.add_uint8(_wrapv);
   me.add_uint8(_minfilter);
   me.add_uint8(_magfilter);
-  //  me.add_int16(0);  // placeholder for obsolete settings, remove this when you feel like bumping bam version number
   me.add_int16(_anisotropic_degree);
 
   // We also need to write out the pixel buffer's format, even though
diff --git a/panda/src/putil/bam.h b/panda/src/putil/bam.h
index 2c3a04f1e7..df4fbf2021 100644
--- a/panda/src/putil/bam.h
+++ b/panda/src/putil/bam.h
@@ -32,12 +32,13 @@ static const unsigned short _bam_major_ver = 3;
 // Bumped to major version 2 on 7/6/00 due to major changes in Character.
 // Bumped to major version 3 on 12/8/00 to change float64's to float32's.
 
-static const unsigned short _bam_minor_ver = 4;
+static const unsigned short _bam_minor_ver = 5;
 // Bumped to minor version 1 on 12/15/00 to add FFT-style channel
 // compression.
 // Bumped to minor version 2 on 2/15/01 to add ModelNode::_preserve_transform.
 // Bumped to minor version 3 on 4/11/01 to support correctly ordered children.
 // Bumped to minor version 4 on 12/11/01 to transpose quaternions.
+// Bumped to minor version 5 on 12/13/01 to remove obsolete fields from Texture.
 
 
 #endif