fix [#28113] ZTransp flag is not imported correctly from 2.49 files

infact this only changes a setting which is ignored. but may as well keep whats set in 2.4x.

1 files changed, 3 insertions, 2 deletions

diff --git a/source/blender/blenloader/intern/readfile.c b/source/blender/blenloader/intern/readfile.c
index 765fe7ada12..95bf44d884c 100644
--- a/source/blender/blenloader/intern/readfile.c
+++ b/source/blender/blenloader/intern/readfile.c
@@ -10384,7 +10384,7 @@ static void do_versions(FileData *fd, Library *lib, Main *main)
 				ma->mode |= MA_TRANSP;
 			}
 			else {
-				ma->mode |= MA_ZTRANSP;
+				/* ma->mode |= MA_ZTRANSP; */ /* leave ztransp as is even if its not used [#28113] */
 				ma->mode &= ~MA_TRANSP;
 			}
 
@@ -11755,7 +11755,8 @@ static void do_versions(FileData *fd, Library *lib, Main *main)
 					if(!mat->mtex[tex_nr]) continue;
 					if(mat->mtex[tex_nr]->mapto & MAP_ALPHA) transp_tex= 1;
 				}
-				
+
+				/* weak! material alpha could be animated */
 				if(mat->alpha < 1.0f || mat->fresnel_tra > 0.0f || transp_tex){
 					mat->mode |= MA_TRANSP;
 					mat->mode &= ~(MA_ZTRANSP|MA_RAYTRANSP);