Fix AnimationLibrary name validation

2 files changed, 22 insertions, 2 deletions

diff --git a/scene/resources/animation_library.cpp b/scene/resources/animation_library.cpp
index 229d9ab218..5d92c3b0c6 100644
--- a/scene/resources/animation_library.cpp
+++ b/scene/resources/animation_library.cpp
@@ -30,8 +30,25 @@
 
 #include "animation_library.h"
 
+bool AnimationLibrary::is_valid_name(const String &p_name) {
+	return !(p_name.is_empty() || p_name.contains("/") || p_name.contains(":") || p_name.contains(",") || p_name.contains("["));
+}
+
+String AnimationLibrary::validate_name(const String &p_name) {
+	if (p_name.is_empty()) {
+		return "_"; // Should always return a valid name.
+	}
+
+	String name = p_name;
+	const char *characters = "/:,[";
+	for (const char *p = characters; *p; p++) {
+		name = name.replace(String::chr(*p), "_");
+	}
+	return name;
+}
+
 Error AnimationLibrary::add_animation(const StringName &p_name, const Ref<Animation> &p_animation) {
-	ERR_FAIL_COND_V_MSG(String(p_name).contains("/") || String(p_name).contains(":") || String(p_name).contains(",") || String(p_name).contains("["), ERR_INVALID_PARAMETER, "Invalid animation name: " + String(p_name) + ".");
+	ERR_FAIL_COND_V_MSG(!is_valid_name(p_name), ERR_INVALID_PARAMETER, "Invalid animation name: '" + String(p_name) + "'.");
 	ERR_FAIL_COND_V(p_animation.is_null(), ERR_INVALID_PARAMETER);
 
 	if (animations.has(p_name)) {
@@ -55,7 +72,7 @@ void AnimationLibrary::remove_animation(const StringName &p_name) {
 
 void AnimationLibrary::rename_animation(const StringName &p_name, const StringName &p_new_name) {
 	ERR_FAIL_COND(!animations.has(p_name));
-	ERR_FAIL_COND_MSG(String(p_new_name).contains("/") || String(p_new_name).contains(":") || String(p_new_name).contains(",") || String(p_new_name).contains("["), "Invalid animation name: " + String(p_new_name) + ".");
+	ERR_FAIL_COND_MSG(!is_valid_name(p_new_name), "Invalid animation name: '" + String(p_new_name) + "'.");
 	ERR_FAIL_COND(animations.has(p_new_name));
 
 	animations.insert(p_new_name, animations[p_name]);
diff --git a/scene/resources/animation_library.h b/scene/resources/animation_library.h
index 69ac5a97d2..0f327fb072 100644
--- a/scene/resources/animation_library.h
+++ b/scene/resources/animation_library.h
@@ -49,6 +49,9 @@ protected:
 	static void _bind_methods();
 
 public:
+	static bool is_valid_name(const String &p_name);
+	static String validate_name(const String &p_name);
+
 	Error add_animation(const StringName &p_name, const Ref<Animation> &p_animation);
 	void remove_animation(const StringName &p_name);
 	void rename_animation(const StringName &p_name, const StringName &p_new_name);