Updated texture example to iterate through all textures.

docs/doc-python.txt

@@ -209,19 +209,21 @@ Example Logic: Extract Pld's
                 fw.write(chunk)
             i += 1
 
-Example Logic: Extract Textures
-    from ctypes import *
+Example Logic: Extract Textures from a Single Batch
     with open("pl01.pld_1.txp", "rb") as f:
         data = f.read()
-        tx = pyTextureBatch(0, data)
-        filename = "texture"
-        i = 0
-        bd = pyTextureBatchDescriptor(i, data)
-        size = bd.gettexturesize()
-        for texture in tx.gettextures():
-            with open(filename + str(i) + ".dds", "wb") as fw:
-                fw.write(texture)
-            i += 1
+        tp   = pyTexturePack(data)
+        filename = "texture"    # part 1 of output file name
+        id       = 0            # part 2 of output file name
+        # Iterate through all of the batches in the package.
+        for i in range(0, tp.getbatchnumber()):
+            # Get a batch.
+            tx = pyTextureBatch(i, data)
+            # Iterate through all textures in batch.
+            for texture in tx.gettextures():
+                with open(filename + str(id) + ".dds", "wb") as fw:
+                    fw.write(texture)
+                id += 1
 
 Example Logic: Iterate through all MeshHeaders and Meshes:
     with open("pl00.pld_0", "rb") as f: