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Add support for static variables in GDScript

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Which allows editable data associated with a particular class instead of
the instance. Scripts with static variables are kept in memory
indefinitely unless the `@static_unload` annotation is used or the
`static_unload()` method is called on the GDScript.

If the custom function `_static_init()` exists it will be called when
the class is loaded, after the static variables are set.
This commit is contained in:
George Marques
2023-04-19 11:10:35 -03:00
parent 352ebe9725
commit 0ba6048ad3
36 changed files with 689 additions and 86 deletions
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10
modules/gdscript/gdscript_cache.cpp
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@@ -342,6 +342,16 @@ Error GDScriptCache::finish_compiling(const String &p_owner) {
return err;
}
void GDScriptCache::add_static_script(Ref<GDScript> p_script) {
ERR_FAIL_COND_MSG(p_script.is_null(), "Trying to cache empty script as static.");
ERR_FAIL_COND_MSG(!p_script->is_valid(), "Trying to cache non-compiled script as static.");
singleton->static_gdscript_cache[p_script->get_fully_qualified_name()] = p_script;
}
void GDScriptCache::remove_static_script(const String &p_fqcn) {
singleton->static_gdscript_cache.erase(p_fqcn);
}
Ref<PackedScene> GDScriptCache::get_packed_scene(const String &p_path, Error &r_error, const String &p_owner) {
MutexLock lock(singleton->mutex);