star-3daw

commit 6631bcbdeefc3c52e828c21e63017b518f6aaf17
parent 6d0ce13bcc2499028944df75e486d8513d1289a0
Author: Vincent Forest <vincent.forest@meso-star.com>
Date:   Tue,  4 Aug 2015 14:49:17 +0200

Early discard of empty "obj" file

If a loaded file does not contain any data, the loading process is
stopped after the loading of the obj data. Consequently no empty s3d
shape is created.

Diffstat:
M
src/s3daw.c
 | 
8
++++++++

1 file changed, 8 insertions(+), 0 deletions(-)
diff --git a/src/s3daw.c b/src/s3daw.c
@@ -320,6 +320,14 @@ shapes_create(struct s3daw* s3daw, const char* filename)
   AW(obj_desc_get(s3daw->loader_obj, &obj_desc));
   shapes_clear(&s3daw->shapes);
 
+  if(obj_desc.faces_count == 0) {
+    if(s3daw->verbose) {
+      logger_print(s3daw->logger, LOG_WARNING,
+        "Empty file content `%s'. It is discarded.\n", filename);
+    }
+    goto exit;
+  }
+
   if(!obj_desc.usemtls_count) { /* No material grouping => triangle soup */
     str_clear(&s3daw->mtl.name);
     s3daw->mtl.face_id = 0;