Refactor Process Mode

Implements https://github.com/godotengine/godot-proposals/issues/1835#issuecomment-727186192

* PauseMode is now ProcessMode, containing the following states:
	```
	PROCESS_MODE_INHERIT, // same as parent node
	PROCESS_MODE_NORMAL, // process only if not paused
	PROCESS_MODE_PAUSE_ONLY, // process only if paused
	PROCESS_MODE_ALWAYS, // process always
	PROCESS_MODE_DISABLED, // never process
	```
* NOTIFICATION_PAUSED and NOTIFICATION_UNPAUSED are received effectively when the node is paused and unpaused (not any longer when pause mode is set in SceneTree).
* Renamed some nodes that used ProcessMode/process_mode to specify a callback type to ProcessCallback to avoid clashes.

1 files changed, 11 insertions, 11 deletions

diff --git a/scene/animation/animation_tree.cpp b/scene/animation/animation_tree.cpp
index c0da35d803..26a13f33c9 100644
--- a/scene/animation/animation_tree.cpp
+++ b/scene/animation/animation_tree.cpp
@@ -473,7 +473,7 @@ void AnimationTree::set_active(bool p_active) {
 	active = p_active;
 	started = active;
 
-	if (process_mode == ANIMATION_PROCESS_IDLE) {
+	if (process_callback == ANIMATION_PROCESS_IDLE) {
 		set_process_internal(active);
 	} else {
 		set_physics_process_internal(active);
@@ -494,8 +494,8 @@ bool AnimationTree::is_active() const {
 	return active;
 }
 
-void AnimationTree::set_process_mode(AnimationProcessMode p_mode) {
-	if (process_mode == p_mode) {
+void AnimationTree::set_process_callback(AnimationProcessCallback p_mode) {
+	if (process_callback == p_mode) {
 		return;
 	}
 
@@ -504,15 +504,15 @@ void AnimationTree::set_process_mode(AnimationProcessMode p_mode) {
 		set_active(false);
 	}
 
-	process_mode = p_mode;
+	process_callback = p_mode;
 
 	if (was_active) {
 		set_active(true);
 	}
 }
 
-AnimationTree::AnimationProcessMode AnimationTree::get_process_mode() const {
-	return process_mode;
+AnimationTree::AnimationProcessCallback AnimationTree::get_process_callback() const {
+	return process_callback;
 }
 
 void AnimationTree::_node_removed(Node *p_node) {
@@ -1234,11 +1234,11 @@ void AnimationTree::advance(float p_time) {
 }
 
 void AnimationTree::_notification(int p_what) {
-	if (active && p_what == NOTIFICATION_INTERNAL_PHYSICS_PROCESS && process_mode == ANIMATION_PROCESS_PHYSICS) {
+	if (active && p_what == NOTIFICATION_INTERNAL_PHYSICS_PROCESS && process_callback == ANIMATION_PROCESS_PHYSICS) {
 		_process_graph(get_physics_process_delta_time());
 	}
 
-	if (active && p_what == NOTIFICATION_INTERNAL_PROCESS && process_mode == ANIMATION_PROCESS_IDLE) {
+	if (active && p_what == NOTIFICATION_INTERNAL_PROCESS && process_callback == ANIMATION_PROCESS_IDLE) {
 		_process_graph(get_process_delta_time());
 	}
 
@@ -1471,8 +1471,8 @@ void AnimationTree::_bind_methods() {
 	ClassDB::bind_method(D_METHOD("set_tree_root", "root"), &AnimationTree::set_tree_root);
 	ClassDB::bind_method(D_METHOD("get_tree_root"), &AnimationTree::get_tree_root);
 
-	ClassDB::bind_method(D_METHOD("set_process_mode", "mode"), &AnimationTree::set_process_mode);
-	ClassDB::bind_method(D_METHOD("get_process_mode"), &AnimationTree::get_process_mode);
+	ClassDB::bind_method(D_METHOD("set_process_callback", "mode"), &AnimationTree::set_process_callback);
+	ClassDB::bind_method(D_METHOD("get_process_callback"), &AnimationTree::get_process_callback);
 
 	ClassDB::bind_method(D_METHOD("set_animation_player", "root"), &AnimationTree::set_animation_player);
 	ClassDB::bind_method(D_METHOD("get_animation_player"), &AnimationTree::get_animation_player);
@@ -1491,7 +1491,7 @@ void AnimationTree::_bind_methods() {
 	ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "tree_root", PROPERTY_HINT_RESOURCE_TYPE, "AnimationRootNode"), "set_tree_root", "get_tree_root");
 	ADD_PROPERTY(PropertyInfo(Variant::NODE_PATH, "anim_player", PROPERTY_HINT_NODE_PATH_VALID_TYPES, "AnimationPlayer"), "set_animation_player", "get_animation_player");
 	ADD_PROPERTY(PropertyInfo(Variant::BOOL, "active"), "set_active", "is_active");
-	ADD_PROPERTY(PropertyInfo(Variant::INT, "process_mode", PROPERTY_HINT_ENUM, "Physics,Idle,Manual"), "set_process_mode", "get_process_mode");
+	ADD_PROPERTY(PropertyInfo(Variant::INT, "process_callback", PROPERTY_HINT_ENUM, "Physics,Idle,Manual"), "set_process_callback", "get_process_callback");
 	ADD_GROUP("Root Motion", "root_motion_");
 	ADD_PROPERTY(PropertyInfo(Variant::NODE_PATH, "root_motion_track"), "set_root_motion_track", "get_root_motion_track");