Many buttons assumed G.vd existed. found all? buttons that cheashed Blender and made them test for G.vd

source/blender/radiosity/intern/source/radpreprocess.c

@@ -313,6 +313,11 @@ void rad_collect_meshes()
 	float *vd, *v1, *v2, *v3, *v4 = NULL;
 	int a, b, offs, index;
 	
+	if (G.vd==NULL) {
+		printf("Error, trying to collect radiosity meshes with no 3d view\n");
+		return;
+	}
+	
 	if(G.obedit) {
 		if (!during_script()) error("Unable to perform function in EditMode");
 		return;

source/blender/render/intern/source/convertblender.c

@@ -3860,6 +3860,11 @@ void RE_make_sticky(void)
 	float ho[4], mat[4][4];
 	int a;
 	
+	if(G.vd==NULL) {
+		printf("Need a 3d view to make sticky\n");
+		return;
+	}
+	
 	if(G.scene->camera==NULL) {
 		printf("Need camera to make sticky\n");
 		return;

source/blender/src/buttons_editing.c

@@ -632,6 +632,9 @@ void do_common_editbuts(unsigned short event) // old name, is a mix of object an
 		
 		
 	default:
+		if (G.vd==NULL)
+			break;
+		
 		if(event>=B_OBLAY && event<=B_OBLAY+31) {
 			local= BASACT->lay & 0xFF000000;
 			BASACT->lay -= local;

source/blender/src/buttons_object.c

@@ -1924,6 +1924,9 @@ void do_effects_panels(unsigned short event)
 		allqueue(REDRAWVIEW3D, 0);
 		break;
 	case B_RECALCAL:
+		if (G.vd==NULL)
+			break;
+		
 		base= FIRSTBASE;
 		while(base) {
 			if(base->lay & G.vd->lay) {

source/blender/src/editobject.c

@@ -1590,7 +1590,7 @@ void docentre(int centremode)
 	int a, total= 0;
 	MVert *mvert;
 
-	if(G.scene->id.lib) return;
+	if(G.scene->id.lib || G.vd==NULL) return;
 	
 	cent[0]= cent[1]= cent[2]= 0.0;
 	
@@ -4820,7 +4820,7 @@ void auto_timeoffs(void)
 	int tot=0, a;
 	short offset=25;
 
-	if(BASACT==0) return;
+	if(BASACT==0 || G.vd==NULL) return;
 	if(button(&offset, 0, 1000,"Total time")==0) return;
 
 	/* make array of all bases, xco yco (screen) */

source/blender/src/meshtools.c

@@ -450,7 +450,7 @@ void fasterdraw(void)
 	Mesh *me;
 	int toggle, a;
 
-	if(G.obedit) return;
+	if(G.obedit || G.vd==NULL) return;
 
 	/* reset flags */
 	me= G.main->mesh.first;
@@ -494,7 +494,7 @@ void slowerdraw(void)		/* reset fasterdraw */
 	Mesh *me;
 	int a;
 
-	if(G.obedit) return;
+	if(G.obedit || G.vd==NULL) return;
 
 	base= FIRSTBASE;
 	while(base) {