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Some resources are freed before they are saved

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- PackedScenes freed before saved, so their path cache is lost
 - Solution is to move data to persistent static map
 - This patch will fix #30538
This commit is contained in:
Cameron Reikes 2019-07-16 09:46:40 -07:00
parent d483a85a0f
commit b3cb58e7b3
2 changed files with 40 additions and 8 deletions
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40
core/resource.cpp
View file

@ -367,17 +367,38 @@ bool Resource::is_translation_remapped() const {
//helps keep IDs same number when loading/saving scenes. -1 clears ID and it Returns -1 when no id stored
void Resource::set_id_for_path(const String &p_path, int p_id) {
if (p_id == -1) {
id_for_path.erase(p_path);
if (ResourceCache::path_cache_lock) {
ResourceCache::path_cache_lock->write_lock();
}
ResourceCache::resource_path_cache[p_path].erase(get_path());
if (ResourceCache::path_cache_lock) {
ResourceCache::path_cache_lock->write_unlock();
}
} else {
id_for_path[p_path] = p_id;
if (ResourceCache::path_cache_lock) {
ResourceCache::path_cache_lock->write_lock();
}
ResourceCache::resource_path_cache[p_path][get_path()] = p_id;
if (ResourceCache::path_cache_lock) {
ResourceCache::path_cache_lock->write_unlock();
}
}
}
int Resource::get_id_for_path(const String &p_path) const {
if (id_for_path.has(p_path)) {
return id_for_path[p_path];
if (ResourceCache::path_cache_lock) {
ResourceCache::path_cache_lock->read_lock();
}
if (ResourceCache::resource_path_cache[p_path].has(get_path())) {
int result = ResourceCache::resource_path_cache[p_path][get_path()];
if (ResourceCache::path_cache_lock) {
ResourceCache::path_cache_lock->read_unlock();
}
return result;
} else {
if (ResourceCache::path_cache_lock) {
ResourceCache::path_cache_lock->read_unlock();
}
return -1;
}
}
@ -432,12 +453,21 @@ Resource::~Resource() {
}
HashMap<String, Resource *> ResourceCache::resources;
#ifdef TOOLS_ENABLED
HashMap<String, HashMap<String, int> > ResourceCache::resource_path_cache;
#endif
RWLock *ResourceCache::lock = NULL;
#ifdef TOOLS_ENABLED
RWLock *ResourceCache::path_cache_lock = NULL;
#endif
void ResourceCache::setup() {
lock = RWLock::create();
#ifdef TOOLS_ENABLED
path_cache_lock = RWLock::create();
#endif
}
void ResourceCache::clear() {

8
core/resource.h
View file

@ -88,9 +88,7 @@ protected:
void _set_path(const String &p_path);
void _take_over_path(const String &p_path);
#ifdef TOOLS_ENABLED
Map<String, int> id_for_path;
#endif
public:
static Node *(*_get_local_scene_func)(); //used by editor
@ -156,6 +154,10 @@ class ResourceCache {
friend class ResourceLoader; //need the lock
static RWLock *lock;
static HashMap<String, Resource *> resources;
#ifdef TOOLS_ENABLED
static HashMap<String, HashMap<String, int> > resource_path_cache; // each tscn has a set of resource paths and IDs
static RWLock *path_cache_lock;
#endif // TOOLS_ENABLED
friend void unregister_core_types();
static void clear();
friend void register_core_types();