From ec62978dd0cf34e96576627393396782fad7e69b Mon Sep 17 00:00:00 2001
From: Guilherme Sousa <guilherme.sousa1994@gmail.com>
Date: Sat, 26 Oct 2024 17:56:51 +0200
Subject: [PATCH] Fix non const animation node process function

---
 doc/classes/AnimationNode.xml                     | 2 +-
 misc/extension_api_validation/4.3-stable.expected | 7 +++++++
 scene/animation/animation_tree.h                  | 2 +-
 3 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/doc/classes/AnimationNode.xml b/doc/classes/AnimationNode.xml
index 4e093cb887d..3b7cd9adad7 100644
--- a/doc/classes/AnimationNode.xml
+++ b/doc/classes/AnimationNode.xml
@@ -63,7 +63,7 @@
 				When inheriting from [AnimationRootNode], implement this virtual method to return whether the [param parameter] is read-only. Parameters are custom local memory used for your animation nodes, given a resource can be reused in multiple trees.
 			</description>
 		</method>
-		<method name="_process" qualifiers="virtual const" deprecated="Currently this is mostly useless as there is a lack of many APIs to extend AnimationNode by GDScript. It is planned that a more flexible API using structures will be provided in the future.">
+		<method name="_process" qualifiers="virtual" deprecated="Currently this is mostly useless as there is a lack of many APIs to extend AnimationNode by GDScript. It is planned that a more flexible API using structures will be provided in the future.">
 			<return type="float" />
 			<param index="0" name="time" type="float" />
 			<param index="1" name="seek" type="bool" />
diff --git a/misc/extension_api_validation/4.3-stable.expected b/misc/extension_api_validation/4.3-stable.expected
index 960edd0575e..9e169d474d7 100644
--- a/misc/extension_api_validation/4.3-stable.expected
+++ b/misc/extension_api_validation/4.3-stable.expected
@@ -95,3 +95,10 @@ Validate extension JSON: Error: Field 'classes/InputMap/methods/add_action/argum
 
 Default deadzone value was changed. No adjustments should be necessary.
 Compatibility method registered.
+
+
+GH-97020
+--------
+Validate extension JSON: Error: Field 'classes/AnimationNode/methods/_process': is_const changed value in new API, from true to false.
+
+`_process` virtual method fixed to be non const instead.
diff --git a/scene/animation/animation_tree.h b/scene/animation/animation_tree.h
index d4b7bf31c9d..ec5e88b776b 100644
--- a/scene/animation/animation_tree.h
+++ b/scene/animation/animation_tree.h
@@ -151,7 +151,7 @@ protected:
 	GDVIRTUAL1RC(Ref<AnimationNode>, _get_child_by_name, StringName)
 	GDVIRTUAL1RC(Variant, _get_parameter_default_value, StringName)
 	GDVIRTUAL1RC(bool, _is_parameter_read_only, StringName)
-	GDVIRTUAL4RC(double, _process, double, bool, bool, bool)
+	GDVIRTUAL4R(double, _process, double, bool, bool, bool)
 	GDVIRTUAL0RC(String, _get_caption)
 	GDVIRTUAL0RC(bool, _has_filter)