Add an exporter setting to export all selected objects or meshes at once

[libs/gl.git] / blender / io_mspgl / export_mesh.py

diff --git a/blender/io_mspgl/export_mesh.py b/blender/io_mspgl/export_mesh.py
index bb116bda9133f3f8192e5ebfa0f42bc10ad046f1..974685b3d1fa8cf0ae579bea292dd7676a8e47a3 100644 (file)
--- a/blender/io_mspgl/export_mesh.py
+++ b/blender/io_mspgl/export_mesh.py
@@ -1,4 +1,5 @@
 import itertools
+import os
 import bpy
 import mathutils
 
@@ -7,6 +8,7 @@ class MeshExporter:
                self.show_progress = True
                self.use_strips = True
                self.use_degen_tris = False
+               self.export_all = False
 
        def join_strips(self, strips):
                big_strip = []
@@ -26,17 +28,26 @@ class MeshExporter:
                return big_strip
 
        def export_to_file(self, context, out_fn):
-               obj = context.active_object
+               if self.export_all:
+                       objs = [o for o in context.selected_objects if o.type=="MESH"]
+               else:
+                       objs = [context.active_object]
 
                from .util import Progress
 
+               path, base = os.path.split(out_fn)
+               base, ext = os.path.splitext(base)
+
                progress = Progress(self.show_progress and context)
-               progress.push_task("", 0.0, 0.95)
-               statements = self.export_mesh(context, obj, progress)
+               for i, obj in enumerate(objs):
+                       if self.export_all:
+                               out_fn = os.path.join(path, obj.data.name+ext)
 
-               with open(out_fn, "w") as out_file:
-                       for s in statements:
-                               s.write_to_file(out_file)
+                       progress.push_task_slice(obj.data.name, i, len(objs))
+                       resource = self.export_mesh(context, obj, progress)
+
+                       resource.write_to_file(out_fn)
+                       progress.pop_task()
 
        def export_mesh(self, context, mesh_or_obj, progress):
                from .mesh import Mesh, create_mesh_from_object
@@ -48,9 +59,9 @@ class MeshExporter:
                        mesh = create_mesh_from_object(context, mesh_or_obj, progress)
                        progress.pop_task()
 
-               from .datafile import Statement, Token
-
-               statements = []
+               from .datafile import Resource, Statement, Token
+               resource = Resource(mesh.name+".mesh", "mesh")
+               statements = resource.statements
 
                st = Statement("vertices", Token("NORMAL3"))
                if mesh.uv_layers:
@@ -113,20 +124,20 @@ class MeshExporter:
                                        st.sub.append(Statement("indices", *(v.index for v in s[i:i+32])))
                                statements.append(st)
                else:
-                       st = Statement("batch", "TRIANGLES")
+                       st = Statement("batch", Token('TRIANGLES'))
                        for f in mesh.faces:
                                st.sub.append(Statement("indices", *(v.index for v in f.vertices)))
                        statements.append(st)
 
                if mesh.lines:
-                       st = Statement("batch", "LINES")
+                       st = Statement("batch", Token('LINES'))
                        for l in mesh.lines:
                                st.sub.append(Statement("indices", *(v.index for v in l.vertices)))
                        statements.append(st)
 
                if mesh.winding_test:
-                       statements.append(Statement("winding", "COUNTERCLOCKWISE"))
+                       statements.append(Statement("winding", Token('COUNTERCLOCKWISE')))
 
                progress.set_progress(1.0)
 
-               return statements
+               return resource