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Deriving SyncedAnimationGraph from Node instead of Mixer for easier prototyping.

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This commit is contained in:
Martin Felis 2025-11-16 21:06:39 +01:00
parent 15bcc60da9
commit 9a9adfbfb4
2 changed files with 65 additions and 156 deletions
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182
synced_animation_graph.cpp
View File

@ -5,152 +5,76 @@
void SyncedAnimationGraph::_bind_methods() { void SyncedAnimationGraph::_bind_methods() {
print_line(vformat("binding methods")); print_line(vformat("binding methods"));
ClassDB::bind_method(D_METHOD("set_tree_root", "animation_node"), &SyncedAnimationGraph::set_root_animation_node); ClassDB::bind_method(D_METHOD("set_animation_tree", "animation_tree"), &SyncedAnimationGraph::set_animation_tree);
ClassDB::bind_method(D_METHOD("get_tree_root"), &SyncedAnimationGraph::get_root_animation_node); ClassDB::bind_method(D_METHOD("get_animation_tree"), &SyncedAnimationGraph::get_animation_tree);
ADD_PROPERTY(PropertyInfo(Variant::NODE_PATH, "animation_tree", PROPERTY_HINT_NODE_PATH_VALID_TYPES, "AnimationTree"), "set_animation_tree", "get_animation_tree");
ClassDB::bind_method(D_METHOD("set_animation_player", "path"), &SyncedAnimationGraph::set_animation_player); ADD_SIGNAL(MethodInfo(SNAME("animation_tree_changed")));
ClassDB::bind_method(D_METHOD("get_animation_player"), &SyncedAnimationGraph::get_animation_player);
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_SIGNAL(MethodInfo(SNAME("animation_player_changed")));
}
void SyncedAnimationGraph::_set_active(bool p_active) {
_set_process(p_active);
started = p_active;
}
void SyncedAnimationGraph::_process_animation(double p_delta, bool p_update_only) {
print_line(vformat("updating blend tree! %f", p_delta));
if (!root_animation_node.is_valid()) {
return;
}
Ref<AnimationNodeBlendTree> blend_tree = root_animation_node;
if (!blend_tree.is_valid()) {
print_line("Cannot process animation graph: root not AnimationNodeBlendTree");
return;
}
LocalVector<StringName> node_names = blend_tree->get_node_list();
for (StringName node_name : node_names) {
print_line(vformat(" %s", node_name));
}
}
SyncedAnimationGraph::SyncedAnimationGraph() {
}
void SyncedAnimationGraph::_update_properties() const {
if (!properties_dirty) {
return;
}
properties_dirty = false;
const_cast<SyncedAnimationGraph *>(this)->notify_property_list_changed();
}
void SyncedAnimationGraph::set_root_animation_node(const Ref<AnimationRootNode> &p_animation_node) {
if (root_animation_node.is_valid()) {
root_animation_node->disconnect(SNAME("tree_changed"), callable_mp(this, &SyncedAnimationGraph::_tree_changed));
// root_animation_node->disconnect(SNAME("animation_node_renamed"), callable_mp(this, &SyncedAnimationGraph::_animation_node_renamed));
// root_animation_node->disconnect(SNAME("animation_node_removed"), callable_mp(this, &SyncedAnimationGraph::_animation_node_removed));
}
root_animation_node = p_animation_node;
if (root_animation_node.is_valid()) {
root_animation_node->connect(SNAME("tree_changed"), callable_mp(this, &SyncedAnimationGraph::_tree_changed));
// root_animation_node->connect(SNAME("animation_node_renamed"), callable_mp(this, &SyncedAnimationGraph::_animation_node_renamed));
// root_animation_node->connect(SNAME("animation_node_removed"), callable_mp(this, &SyncedAnimationGraph::_animation_node_removed));
}
properties_dirty = true;
update_configuration_warnings();
}
Ref<AnimationRootNode> SyncedAnimationGraph::get_root_animation_node() const {
return root_animation_node;
} }
void SyncedAnimationGraph::_notification(int p_what) { void SyncedAnimationGraph::_notification(int p_what) {
switch (p_what) { switch (p_what) {
case NOTIFICATION_ENTER_TREE: { case NOTIFICATION_READY: {
_setup_animation_player(); _set_process(true);
if (active) { } break;
_set_process(true);
} case NOTIFICATION_INTERNAL_PROCESS: {
_process_animation(get_process_delta_time());
} break;
case NOTIFICATION_INTERNAL_PHYSICS_PROCESS: {
_process_animation(get_physics_process_delta_time());
} break; } break;
} }
} }
void SyncedAnimationGraph::_tree_changed() { void SyncedAnimationGraph::set_animation_tree(const NodePath &p_path) {
if (properties_dirty) { animation_tree = p_path;
return;
}
callable_mp(this, &SyncedAnimationGraph::_update_properties).call_deferred();
properties_dirty = true;
}
void SyncedAnimationGraph::set_animation_player(const NodePath &p_path) {
animation_player = p_path;
if (p_path.is_empty()) { if (p_path.is_empty()) {
set_root_node(SceneStringName(path_pp)); // set_root_node(SceneStringName(path_pp));
while (animation_libraries.size()) { // while (animation_libraries.size()) {
remove_animation_library(animation_libraries[0].name); // remove_animation_library(animation_libraries[0].name);
} // }
} }
emit_signal(SNAME("animation_player_changed")); // Needs to unpin AnimationPlayerEditor. emit_signal(SNAME("animation_tree_changed")); // Needs to unpin AnimationPlayerEditor.
_setup_animation_player();
notify_property_list_changed();
} }
NodePath SyncedAnimationGraph::get_animation_player() const { NodePath SyncedAnimationGraph::get_animation_tree() const {
return animation_player; return animation_tree;
} }
void SyncedAnimationGraph::_setup_animation_player() { void SyncedAnimationGraph::_ready(const NodePath &p_path) {
if (!is_inside_tree()) { print_line(vformat("synced animation graph ready!"));
}
void SyncedAnimationGraph::_process_animation(double p_delta, bool p_update_only) {
print_line(vformat("updating blend tree! %f", p_delta));
// if (!root_animation_node.is_valid()) {
// return;
// }
//
// Ref<AnimationNodeBlendTree> blend_tree = root_animation_node;
// if (!blend_tree.is_valid()) {
// print_line("Cannot process animation graph: root not AnimationNodeBlendTree");
// return;
// }
//
// LocalVector<StringName> node_names = blend_tree->get_node_list();
// for (StringName node_name : node_names) {
// print_line(vformat(" %s", node_name));
// }
}
void SyncedAnimationGraph::_set_process(bool p_process, bool p_force) {
if (processing == p_process && !p_force) {
return; return;
} }
cache_valid = false; set_physics_process_internal(false);
set_process_internal(true);
if (animation_player.is_empty()) { processing = p_process;
clear_caches(); }
return;
} SyncedAnimationGraph::SyncedAnimationGraph() {
// Using AnimationPlayer here is for compatibility. Changing to AnimationMixer needs extra work like error handling.
AnimationPlayer *player = Object::cast_to<AnimationPlayer>(get_node_or_null(animation_player));
if (player) {
if (!player->is_connected(SNAME("caches_cleared"), callable_mp(this, &SyncedAnimationGraph::_setup_animation_player))) {
player->connect(SNAME("caches_cleared"), callable_mp(this, &SyncedAnimationGraph::_setup_animation_player), CONNECT_DEFERRED);
}
if (!player->is_connected(SNAME("animation_list_changed"), callable_mp(this, &SyncedAnimationGraph::_setup_animation_player))) {
player->connect(SNAME("animation_list_changed"), callable_mp(this, &SyncedAnimationGraph::_setup_animation_player), CONNECT_DEFERRED);
}
Node *root = player->get_node_or_null(player->get_root_node());
if (root) {
set_root_node(get_path_to(root, true));
}
while (animation_libraries.size()) {
remove_animation_library(animation_libraries[0].name);
}
List<StringName> list;
player->get_animation_library_list(&list);
for (const StringName &E : list) {
Ref<AnimationLibrary> lib = player->get_animation_library(E);
if (lib.is_valid()) {
add_animation_library(E, lib);
}
}
}
clear_caches();
} }

39
synced_animation_graph.h
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@ -3,41 +3,26 @@
#include "scene/animation/animation_blend_tree.h" #include "scene/animation/animation_blend_tree.h"
#include "scene/animation/animation_tree.h" #include "scene/animation/animation_tree.h"
class SyncedAnimationGraph : public AnimationMixer { class SyncedAnimationGraph : public Node {
GDCLASS(SyncedAnimationGraph, AnimationMixer); GDCLASS(SyncedAnimationGraph, Node);
private: private:
bool started = true; NodePath animation_tree;
bool processing = false;
friend class AnimationNode; void set_animation_tree(const NodePath &p_path);
NodePath get_animation_tree() const;
Ref<AnimationRootNode> root_animation_node;
mutable bool properties_dirty = true;
void _update_properties() const;
NodePath animation_player;
void set_animation_player(const NodePath &p_path);
NodePath get_animation_player() const;
void set_root_animation_node(const Ref<AnimationRootNode> &p_animation_node);
Ref<AnimationRootNode> get_root_animation_node() const;
void _tree_changed();
void _setup_animation_player();
void _animation_player_changed();
void _notification(int p_what);
virtual void _set_active(bool p_active) override;
protected: protected:
void _notification(int p_what);
static void _bind_methods(); static void _bind_methods();
public: public:
void _process_animation(double p_delta, bool p_update_only = false) override; void _ready(const NodePath &p_path);
void _process_animation(double p_delta, bool p_update_only = false);
SyncedAnimationGraph(); SyncedAnimationGraph();
private:
void _set_process(bool p_process, bool p_force = false);
}; };