godotengine/godot
1
0
Fork 0
mirror of https://github.com/godotengine/godot.git synced 2026-01-05 06:11:29 +03:00
Code Issues Packages Projects Releases Wiki Activity

Added an is_valid function to FuncRef so script can check if it is safe to call it.

Browse Source
This commit is contained in:
Rikhardur Bjarni Einarsson
2019-04-29 23:38:42 +01:00
parent 7018de8425
commit 9be8424ef9
2 changed files with 14 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

13
core/func_ref.cpp
View File

@@ -51,11 +51,23 @@ void FuncRef::set_instance(Object *p_obj) {
ERR_FAIL_NULL(p_obj);
id = p_obj->get_instance_id();
}
void FuncRef::set_function(const StringName &p_func) {
function = p_func;
}
bool FuncRef::is_valid() const {
if (id == 0)
return false;
Object *obj = ObjectDB::get_instance(id);
if (!obj)
return false;
return obj->has_method(function);
}
void FuncRef::_bind_methods() {
{
@@ -67,6 +79,7 @@ void FuncRef::_bind_methods() {
ClassDB::bind_method(D_METHOD("set_instance", "instance"), &FuncRef::set_instance);
ClassDB::bind_method(D_METHOD("set_function", "name"), &FuncRef::set_function);
ClassDB::bind_method(D_METHOD("is_valid"), &FuncRef::is_valid);
}
FuncRef::FuncRef() :