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avoid crashes in attach_sky

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This commit is contained in:
cxgeorge 2001-10-09 01:33:51 +00:00
parent ce4b86ddd0
commit e888df5305
1 changed files with 6 additions and 3 deletions
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9
panda/src/testbed/demo.cxx
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@ -460,7 +460,7 @@ event_h(CPT_Event) {
} }
} }
static void attach_sky() { static bool attach_sky() {
// Load the sun and sky // Load the sun and sky
sky = DCAST(NamedNode, loader.load_sync("sky")); sky = DCAST(NamedNode, loader.load_sync("sky"));
if (sky != (NamedNode *)NULL) { if (sky != (NamedNode *)NULL) {
@ -468,6 +468,7 @@ static void attach_sky() {
sky_arc = new RenderRelation(render, sky); sky_arc = new RenderRelation(render, sky);
} }
} }
return (sky!=NULL) && (sky_arc!=NULL);
} }
static void static void
@ -507,7 +508,8 @@ static void
event_v(CPT_Event) { event_v(CPT_Event) {
static bool is_color_scale = false; static bool is_color_scale = false;
attach_sky(); if(!attach_sky())
return;
NodePath search(sky); NodePath search(sky);
NodePath sky_search = search.find("**/sun"); NodePath sky_search = search.find("**/sun");
@ -527,7 +529,8 @@ static void
event_L(CPT_Event) { event_L(CPT_Event) {
static bool is_flare = false; static bool is_flare = false;
attach_sky(); if(!attach_sky())
return;
if (!is_flare) { if (!is_flare) {
//Texture *shine = TexturePool::load_texture("MyShine.bw"); //Texture *shine = TexturePool::load_texture("MyShine.bw");