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Implement Scene Unique Nodes

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Implements https://github.com/godotengine/godot-proposals/issues/4096

* Nodes can be marked unique to the scene in the editor (or via code).
* Unique nodes can be accessed via the **%** prefix at any point in the path. From that point in the path (depending on whether the scene of the path is), the unique node will be fetched.
* Implementation is very optimal, as these nodes are cached.
This commit is contained in:
reduz 2022-04-16 12:23:32 +02:00
parent f4b0c7a1ea
commit 8580f377a3
12 changed files with 190 additions and 7 deletions
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3
core/string/ustring.cpp
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@ -35,6 +35,7 @@
#include "core/math/math_funcs.h"
#include "core/os/memory.h"
#include "core/string/print_string.h"
#include "core/string/string_name.h"
#include "core/string/translation.h"
#include "core/string/ucaps.h"
#include "core/variant/variant.h"
@ -4357,7 +4358,7 @@ String String::property_name_encode() const {
}
// Changes made to the set of invalid characters must also be reflected in the String documentation.
const String String::invalid_node_name_characters = ". : @ / \"";
const String String::invalid_node_name_characters = ". : @ / \" " UNIQUE_NODE_PREFIX;
String String::validate_node_name() const {
Vector<String> chars = String::invalid_node_name_characters.split(" ");