diff --git a/panda/src/downloader/decompressor.I b/panda/src/downloader/decompressor.I
new file mode 100644
index 0000000000..fce4d3b8f7
--- /dev/null
+++ b/panda/src/downloader/decompressor.I
@@ -0,0 +1,15 @@
+// Filename: decompressor.I
+// Created by:  mike (09Jan97)
+//
+////////////////////////////////////////////////////////////////////
+
+////////////////////////////////////////////////////////////////////
+//     Function: Decompressor::get_progress
+//       Access: Public
+//  Description: 
+////////////////////////////////////////////////////////////////////
+INLINE float Decompressor::
+get_progress(void) const {
+  nassertr(_source_file_length > 0, 0.0);
+  return ((float)_total_bytes_read / (float)_source_file_length);
+}
diff --git a/panda/src/downloader/decompressor.h b/panda/src/downloader/decompressor.h
index eb72db34c5..165011f116 100644
--- a/panda/src/downloader/decompressor.h
+++ b/panda/src/downloader/decompressor.h
@@ -39,6 +39,8 @@ PUBLISHED:
 
   bool decompress(Filename &source_file);
 
+  INLINE float get_progress(void) const;
+
 private:
   void init(PT(Buffer) buffer);
 
@@ -57,4 +59,6 @@ private:
   ZDecompressor *_decompressor;
 };
 
+#include "decompressor.I"
+
 #endif
diff --git a/panda/src/downloader/extractor.I b/panda/src/downloader/extractor.I
new file mode 100644
index 0000000000..9ef04beb6c
--- /dev/null
+++ b/panda/src/downloader/extractor.I
@@ -0,0 +1,15 @@
+// Filename: extractor.I
+// Created by:  mike (09Jan97)
+//
+////////////////////////////////////////////////////////////////////
+
+////////////////////////////////////////////////////////////////////
+//     Function: Extractor::get_progress
+//       Access: Public
+//  Description: 
+////////////////////////////////////////////////////////////////////
+INLINE float Extractor::
+get_progress(void) const {
+  nassertr(_source_file_length > 0, 0.0);
+  return ((float)_total_bytes_read / (float)_source_file_length);
+}
diff --git a/panda/src/downloader/extractor.h b/panda/src/downloader/extractor.h
index 67db8e7a25..1d96671c43 100644
--- a/panda/src/downloader/extractor.h
+++ b/panda/src/downloader/extractor.h
@@ -37,6 +37,8 @@ PUBLISHED:
 
   bool extract(Filename &source_file, const Filename &rel_path = "");
 
+  INLINE float get_progress(void) const;
+
 private:
   void init(PT(Buffer) buffer);
 
@@ -53,4 +55,6 @@ private:
   Filename _rel_path;
 };
 
+#include "extractor.I"
+
 #endif