From 79c899da0040c7e058a30760f0b5178f3be672be Mon Sep 17 00:00:00 2001
From: Campbell Barton <ideasman42@gmail.com>
Date: Thu, 20 Jan 2011 09:04:36 +0000
Subject: add 3ds export option, use_selection, also fix for exporting curves
 with no geometry data.

---
 io_scene_3ds/__init__.py   |  2 ++
 io_scene_3ds/export_3ds.py | 27 +++++++++++++++++++--------
 2 files changed, 21 insertions(+), 8 deletions(-)

(limited to 'io_scene_3ds')

diff --git a/io_scene_3ds/__init__.py b/io_scene_3ds/__init__.py
index 8e701abe..54840921 100644
--- a/io_scene_3ds/__init__.py
+++ b/io_scene_3ds/__init__.py
@@ -69,6 +69,8 @@ class Export3DS(bpy.types.Operator, ExportHelper):
     filename_ext = ".3ds"
     filter_glob = StringProperty(default="*.3ds", options={'HIDDEN'})
 
+    use_selection = BoolProperty(name="Selection Only", description="Export selected objects only", default=False)
+
     def execute(self, context):
         from . import export_3ds
         return export_3ds.save(self, context, **self.as_keywords(ignore=("check_existing", "filter_glob")))
diff --git a/io_scene_3ds/export_3ds.py b/io_scene_3ds/export_3ds.py
index b4fb7deb..24013243 100644
--- a/io_scene_3ds/export_3ds.py
+++ b/io_scene_3ds/export_3ds.py
@@ -859,13 +859,16 @@ def make_kf_obj_node(obj, name_to_id):
 """
 
 
-def save(operator, context, filepath=""):
+def save(operator, context, filepath="",
+          use_selection=True,
+          ):
+
     import bpy
     import time
     from io_utils import create_derived_objects, free_derived_objects
-    
+
     '''Save the Blender scene to a 3ds file.'''
-    
+
     # Time the export
     time1 = time.clock()
 #	Blender.Window.WaitCursor(1)
@@ -900,9 +903,14 @@ def save(operator, context, filepath=""):
     materialDict = {}
     mesh_objects = []
     scene = context.scene
-    for ob in [ob for ob in scene.objects if ob.is_visible(scene)]:
-# 	for ob in sce.objects.context:
 
+
+    if use_selection:
+        objects = (ob for ob in scene.objects if ob.is_visible(scene) and ob.select)
+    else:
+        objects = (ob for ob in scene.objects if ob.is_visible(scene))
+
+    for ob in objects:
         # get derived objects
         free, derived = create_derived_objects(scene, ob)
 
@@ -915,8 +923,11 @@ def save(operator, context, filepath=""):
             if ob.type not in ('MESH', 'CURVE', 'SURFACE', 'FONT', 'META'):
                 continue
 
-            data = ob_derived.create_mesh(scene, True, 'PREVIEW')
-# 			data = getMeshFromObject(ob_derived, None, True, False, sce)
+            try:
+                data = ob_derived.create_mesh(scene, True, 'PREVIEW')
+            except:
+                data = None
+
             if data:
                 data.transform(mat)
 # 				data.transform(mat, recalc_normals=False)
@@ -1040,5 +1051,5 @@ def save(operator, context, filepath=""):
 
     # Debugging only: dump the chunk hierarchy:
     #primary.dump()
-    
+
     return {'FINISHED'}
-- 
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