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SDLPP: add option to specify background objects in scene and move Z index of objects just above those background objects

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This commit is contained in:
zvon
2021-08-07 21:58:53 +02:00
parent f35aa095f3
commit 0608202483
2 changed files with 21 additions and 0 deletions
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sdlpp/sdlpp_scene.cpp
+16
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@@ -69,6 +69,9 @@ void Scene::moveZTop( const std::shared_ptr< RenderObject > &obj ) {
void Scene::moveZBottom( const std::shared_ptr< RenderObject > &obj ) {
setZIndex( obj, 0 );
}
void Scene::moveZJustAboveBackground( const std::shared_ptr< RenderObject > &obj ) {
setZIndex( obj, first_non_background_index );
}
std::shared_ptr< RenderObject > Scene::getObject( int index ) {
return render_objects[index];
}
@@ -231,6 +234,19 @@ void Scene::resetScene() {
}
}
void Scene::setBackgroundObjectIDs(const std::unordered_set<uint64_t> &ids) {
background_ids = ids;
}
void Scene::updateBackgroundObjectZIndex() {
first_non_background_index = 1;
for(uint64_t i = 1; i < render_objects.size(); i++) {
if(background_ids.find(render_objects[i]->getId()) != background_ids.end()) {
setZIndex(render_objects[i], 1);
first_non_background_index++;
}
}
}
void Scene::checkKilled() {
std::lock_guard< std::mutex > lock( render_mutex );
std::vector< int > killed;