From 776b2451e10963a07bf37e979d3c4b6e24a132f7 Mon Sep 17 00:00:00 2001
From: Ton Roosendaal <ton@blender.org>
Date: Wed, 5 Jan 2005 10:31:27 +0000
Subject: Bugfix #2095

When loading a file with linked external scene, and that external scene
didnt exist anymore, and that scene was active in the file -> crash!

Render code; changed to use local 'puno' flag for threaded render.
---
 source/blender/blenkernel/intern/blender.c       | 5 +++++
 source/blender/blenloader/intern/readfile.c      | 7 ++++---
 source/blender/render/intern/source/rendercore.c | 6 +++---
 3 files changed, 12 insertions(+), 6 deletions(-)

(limited to 'source')

diff --git a/source/blender/blenkernel/intern/blender.c b/source/blender/blenkernel/intern/blender.c
index db8653f0abe..9e8ac8ca8ea 100644
--- a/source/blender/blenkernel/intern/blender.c
+++ b/source/blender/blenkernel/intern/blender.c
@@ -325,6 +325,11 @@ static void setup_app_data(BlendFileData *bfd, char *filename)
 		G.curscreen= bfd->curscreen;
 		G.scene= G.curscreen->scene;
 	}
+	/* this can happen when active scene was lib-linked, and doesnt exist anymore */
+	if(G.scene==NULL) {
+		G.scene= G.main->scene.first;
+		G.curscreen->scene= G.scene;
+	}
 	
 	/* special cases, override loaded flags: */
 	if (G.f & G_DEBUG) bfd->globalf |= G_DEBUG;
diff --git a/source/blender/blenloader/intern/readfile.c b/source/blender/blenloader/intern/readfile.c
index 9efdb1f90f3..3a8fdb69d7a 100644
--- a/source/blender/blenloader/intern/readfile.c
+++ b/source/blender/blenloader/intern/readfile.c
@@ -5534,10 +5534,11 @@ static void read_libraries(FileData *basefd, ListBase *mainlist)
 
 						fd->libmap= basefd->libmap;
 						fd->flags|= FD_FLAGS_NOT_MY_LIBMAP;
+						
+						mainptr->curlib->filedata= fd;
+						mainptr->versionfile= fd->fileversion;
 					}
-
-					mainptr->curlib->filedata= fd;
-					mainptr->versionfile= fd->fileversion;
+					else mainptr->curlib->filedata= NULL;
 
 					if (!fd)
 						printf("ERROR: can't find lib %s \n", mainptr->curlib->name);
diff --git a/source/blender/render/intern/source/rendercore.c b/source/blender/render/intern/source/rendercore.c
index 4744a9664d9..a8a5136263a 100644
--- a/source/blender/render/intern/source/rendercore.c
+++ b/source/blender/render/intern/source/rendercore.c
@@ -1724,18 +1724,18 @@ void shade_input_set_coords(ShadeInput *shi, float u, float v, int i1, int i2, i
 	if(vlr->flag & R_SMOOTH) { 
 		float n1[3], n2[3], n3[3];
 		
-		if(vlr->puno & p1) {
+		if(shi->puno & p1) {
 			n1[0]= -v1->n[0]; n1[1]= -v1->n[1]; n1[2]= -v1->n[2];
 		} else {
 			n1[0]= v1->n[0]; n1[1]= v1->n[1]; n1[2]= v1->n[2];
 		}
-		if(vlr->puno & p2) {
+		if(shi->puno & p2) {
 			n2[0]= -v2->n[0]; n2[1]= -v2->n[1]; n2[2]= -v2->n[2];
 		} else {
 			n2[0]= v2->n[0]; n2[1]= v2->n[1]; n2[2]= v2->n[2];
 		}
 		
-		if(vlr->puno & p3) {
+		if(shi->puno & p3) {
 			n3[0]= -v3->n[0]; n3[1]= -v3->n[1]; n3[2]= -v3->n[2];
 		} else {
 			n3[0]= v3->n[0]; n3[1]= v3->n[1]; n3[2]= v3->n[2];
-- 
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