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virtualx-engine/scene/animation/animation_tree.cpp
Hendrik Brucker 5afe78bd9c Clean up/refactor GraphNode and make it more flexible 
Split GraphNode into GraphElement and GraphNode, add custom
titlebar, and adjust theming.
2023-09-07 17:29:06 +02:00

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/**************************************************************************/
/* animation_tree.cpp */
/**************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/**************************************************************************/
/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/**************************************************************************/
#include "animation_tree.h"
#include "animation_blend_tree.h"
#include "core/config/engine.h"
#include "scene/resources/animation.h"
#include "scene/scene_string_names.h"
#include "servers/audio/audio_stream.h"
void AnimationNode::get_parameter_list(List<PropertyInfo> *r_list) const {
Array parameters;
if (GDVIRTUAL_CALL(_get_parameter_list, parameters)) {
for (int i = 0; i < parameters.size(); i++) {
Dictionary d = parameters[i];
ERR_CONTINUE(d.is_empty());
r_list->push_back(PropertyInfo::from_dict(d));
}
}
}
Variant AnimationNode::get_parameter_default_value(const StringName &p_parameter) const {
Variant ret;
GDVIRTUAL_CALL(_get_parameter_default_value, p_parameter, ret);
return ret;
}
bool AnimationNode::is_parameter_read_only(const StringName &p_parameter) const {
bool ret = false;
GDVIRTUAL_CALL(_is_parameter_read_only, p_parameter, ret);
return ret;
}
void AnimationNode::set_parameter(const StringName &p_name, const Variant &p_value) {
if (is_testing) {
return;
}
ERR_FAIL_NULL(state);
ERR_FAIL_COND(!state->tree->property_parent_map.has(base_path));
ERR_FAIL_COND(!state->tree->property_parent_map[base_path].has(p_name));
StringName path = state->tree->property_parent_map[base_path][p_name];
state->tree->property_map[path].first = p_value;
}
Variant AnimationNode::get_parameter(const StringName &p_name) const {
ERR_FAIL_NULL_V(state, Variant());
ERR_FAIL_COND_V(!state->tree->property_parent_map.has(base_path), Variant());
ERR_FAIL_COND_V(!state->tree->property_parent_map[base_path].has(p_name), Variant());
StringName path = state->tree->property_parent_map[base_path][p_name];
return state->tree->property_map[path].first;
}
void AnimationNode::get_child_nodes(List<ChildNode> *r_child_nodes) {
Dictionary cn;
if (GDVIRTUAL_CALL(_get_child_nodes, cn)) {
List<Variant> keys;
cn.get_key_list(&keys);
for (const Variant &E : keys) {
ChildNode child;
child.name = E;
child.node = cn[E];
r_child_nodes->push_back(child);
}
}
}
void AnimationNode::blend_animation(const StringName &p_animation, double p_time, double p_delta, bool p_seeked, bool p_is_external_seeking, real_t p_blend, Animation::LoopedFlag p_looped_flag) {
ERR_FAIL_NULL(state);
ERR_FAIL_COND(!state->player->has_animation(p_animation));
Ref<Animation> animation = state->player->get_animation(p_animation);
if (animation.is_null()) {
AnimationNodeBlendTree *btree = Object::cast_to<AnimationNodeBlendTree>(parent);
if (btree) {
String node_name = btree->get_node_name(Ref<AnimationNodeAnimation>(this));
make_invalid(vformat(RTR("In node '%s', invalid animation: '%s'."), node_name, p_animation));
} else {
make_invalid(vformat(RTR("Invalid animation: '%s'."), p_animation));
}
return;
}
ERR_FAIL_COND(!animation.is_valid());
AnimationState anim_state;
anim_state.blend = p_blend;
anim_state.track_blends = blends;
anim_state.delta = p_delta;
anim_state.time = p_time;
anim_state.animation = animation;
anim_state.seeked = p_seeked;
anim_state.looped_flag = p_looped_flag;
anim_state.is_external_seeking = p_is_external_seeking;
state->animation_states.push_back(anim_state);
}
double AnimationNode::_pre_process(const StringName &p_base_path, AnimationNode *p_parent, State *p_state, double p_time, bool p_seek, bool p_is_external_seeking, const Vector<StringName> &p_connections, bool p_test_only) {
base_path = p_base_path;
parent = p_parent;
connections = p_connections;
state = p_state;
double t = process(p_time, p_seek, p_is_external_seeking, p_test_only);
state = nullptr;
parent = nullptr;
base_path = StringName();
connections.clear();
return t;
}
AnimationTree *AnimationNode::get_animation_tree() const {
ERR_FAIL_NULL_V(state, nullptr);
return state->tree;
}
void AnimationNode::make_invalid(const String &p_reason) {
ERR_FAIL_NULL(state);
state->valid = false;
if (!state->invalid_reasons.is_empty()) {
state->invalid_reasons += "\n";
}
state->invalid_reasons += String::utf8("• ") + p_reason;
}
double AnimationNode::blend_input(int p_input, double p_time, bool p_seek, bool p_is_external_seeking, real_t p_blend, FilterAction p_filter, bool p_sync, bool p_test_only) {
ERR_FAIL_INDEX_V(p_input, inputs.size(), 0);
ERR_FAIL_NULL_V(state, 0);
AnimationNodeBlendTree *blend_tree = Object::cast_to<AnimationNodeBlendTree>(parent);
ERR_FAIL_NULL_V(blend_tree, 0);
StringName node_name = connections[p_input];
if (!blend_tree->has_node(node_name)) {
String node_name2 = blend_tree->get_node_name(Ref<AnimationNode>(this));
make_invalid(vformat(RTR("Nothing connected to input '%s' of node '%s'."), get_input_name(p_input), node_name2));
return 0;
}
Ref<AnimationNode> node = blend_tree->get_node(node_name);
//inputs.write[p_input].last_pass = state->last_pass;
real_t activity = 0.0;
double ret = _blend_node(node_name, blend_tree->get_node_connection_array(node_name), nullptr, node, p_time, p_seek, p_is_external_seeking, p_blend, p_filter, p_sync, &activity, p_test_only);
Vector<AnimationTree::Activity> *activity_ptr = state->tree->input_activity_map.getptr(base_path);
if (activity_ptr && p_input < activity_ptr->size()) {
activity_ptr->write[p_input].last_pass = state->last_pass;
activity_ptr->write[p_input].activity = activity;
}
return ret;
}
double AnimationNode::blend_node(const StringName &p_sub_path, Ref<AnimationNode> p_node, double p_time, bool p_seek, bool p_is_external_seeking, real_t p_blend, FilterAction p_filter, bool p_sync, bool p_test_only) {
return _blend_node(p_sub_path, Vector<StringName>(), this, p_node, p_time, p_seek, p_is_external_seeking, p_blend, p_filter, p_sync, nullptr, p_test_only);
}
double AnimationNode::_blend_node(const StringName &p_subpath, const Vector<StringName> &p_connections, AnimationNode *p_new_parent, Ref<AnimationNode> p_node, double p_time, bool p_seek, bool p_is_external_seeking, real_t p_blend, FilterAction p_filter, bool p_sync, real_t *r_max, bool p_test_only) {
ERR_FAIL_COND_V(!p_node.is_valid(), 0);
ERR_FAIL_NULL_V(state, 0);
int blend_count = blends.size();
if (p_node->blends.size() != blend_count) {
p_node->blends.resize(blend_count);
}
real_t *blendw = p_node->blends.ptrw();
const real_t *blendr = blends.ptr();
bool any_valid = false;
if (has_filter() && is_filter_enabled() && p_filter != FILTER_IGNORE) {
for (int i = 0; i < blend_count; i++) {
blendw[i] = 0.0; //all to zero by default
}
for (const KeyValue<NodePath, bool> &E : filter) {
if (!state->track_map.has(E.key)) {
continue;
}
int idx = state->track_map[E.key];
blendw[idx] = 1.0; //filtered goes to one
}
switch (p_filter) {
case FILTER_IGNORE:
break; //will not happen anyway
case FILTER_PASS: {
//values filtered pass, the rest don't
for (int i = 0; i < blend_count; i++) {
if (blendw[i] == 0) { //not filtered, does not pass
continue;
}
blendw[i] = blendr[i] * p_blend;
if (!Math::is_zero_approx(blendw[i])) {
any_valid = true;
}
}
} break;
case FILTER_STOP: {
//values filtered don't pass, the rest are blended
for (int i = 0; i < blend_count; i++) {
if (blendw[i] > 0) { //filtered, does not pass
continue;
}
blendw[i] = blendr[i] * p_blend;
if (!Math::is_zero_approx(blendw[i])) {
any_valid = true;
}
}
} break;
case FILTER_BLEND: {
//filtered values are blended, the rest are passed without blending
for (int i = 0; i < blend_count; i++) {
if (blendw[i] == 1.0) {
blendw[i] = blendr[i] * p_blend; //filtered, blend
} else {
blendw[i] = blendr[i]; //not filtered, do not blend
}
if (!Math::is_zero_approx(blendw[i])) {
any_valid = true;
}
}
} break;
}
} else {
for (int i = 0; i < blend_count; i++) {
//regular blend
blendw[i] = blendr[i] * p_blend;
if (!Math::is_zero_approx(blendw[i])) {
any_valid = true;
}
}
}
if (r_max) {
*r_max = 0;
for (int i = 0; i < blend_count; i++) {
*r_max = MAX(*r_max, Math::abs(blendw[i]));
}
}
String new_path;
AnimationNode *new_parent;
// This is the slowest part of processing, but as strings process in powers of 2, and the paths always exist, it will not result in that many allocations.
if (p_new_parent) {
new_parent = p_new_parent;
new_path = String(base_path) + String(p_subpath) + "/";
} else {
ERR_FAIL_NULL_V(parent, 0);
new_parent = parent;
new_path = String(parent->base_path) + String(p_subpath) + "/";
}
// This process, which depends on p_sync is needed to process sync correctly in the case of
// that a synced AnimationNodeSync exists under the un-synced AnimationNodeSync.
if (!p_seek && !p_sync && !any_valid) {
return p_node->_pre_process(new_path, new_parent, state, 0, p_seek, p_is_external_seeking, p_connections, p_test_only);
}
return p_node->_pre_process(new_path, new_parent, state, p_time, p_seek, p_is_external_seeking, p_connections, p_test_only);
}
String AnimationNode::get_caption() const {
String ret = "Node";
GDVIRTUAL_CALL(_get_caption, ret);
return ret;
}
bool AnimationNode::add_input(const String &p_name) {
//root nodes can't add inputs
ERR_FAIL_COND_V(Object::cast_to<AnimationRootNode>(this) != nullptr, false);
Input input;
ERR_FAIL_COND_V(p_name.contains(".") || p_name.contains("/"), false);
input.name = p_name;
inputs.push_back(input);
emit_changed();
return true;
}
void AnimationNode::remove_input(int p_index) {
ERR_FAIL_INDEX(p_index, inputs.size());
inputs.remove_at(p_index);
emit_changed();
}
bool AnimationNode::set_input_name(int p_input, const String &p_name) {
ERR_FAIL_INDEX_V(p_input, inputs.size(), false);
ERR_FAIL_COND_V(p_name.contains(".") || p_name.contains("/"), false);
inputs.write[p_input].name = p_name;
emit_changed();
return true;
}
String AnimationNode::get_input_name(int p_input) const {
ERR_FAIL_INDEX_V(p_input, inputs.size(), String());
return inputs[p_input].name;
}
int AnimationNode::get_input_count() const {
return inputs.size();
}
int AnimationNode::find_input(const String &p_name) const {
int idx = -1;
for (int i = 0; i < inputs.size(); i++) {
if (inputs[i].name == p_name) {
idx = i;
break;
}
}
return idx;
}
double AnimationNode::process(double p_time, bool p_seek, bool p_is_external_seeking, bool p_test_only) {
is_testing = p_test_only;
return _process(p_time, p_seek, p_is_external_seeking, p_test_only);
}
double AnimationNode::_process(double p_time, bool p_seek, bool p_is_external_seeking, bool p_test_only) {
double ret = 0;
GDVIRTUAL_CALL(_process, p_time, p_seek, p_is_external_seeking, p_test_only, ret);
return ret;
}
void AnimationNode::set_filter_path(const NodePath &p_path, bool p_enable) {
if (p_enable) {
filter[p_path] = true;
} else {
filter.erase(p_path);
}
}
void AnimationNode::set_filter_enabled(bool p_enable) {
filter_enabled = p_enable;
}
bool AnimationNode::is_filter_enabled() const {
return filter_enabled;
}
void AnimationNode::set_closable(bool p_closable) {
closable = p_closable;
}
bool AnimationNode::is_closable() const {
return closable;
}
bool AnimationNode::is_path_filtered(const NodePath &p_path) const {
return filter.has(p_path);
}
bool AnimationNode::has_filter() const {
bool ret = false;
GDVIRTUAL_CALL(_has_filter, ret);
return ret;
}
Array AnimationNode::_get_filters() const {
Array paths;
for (const KeyValue<NodePath, bool> &E : filter) {
paths.push_back(String(E.key)); //use strings, so sorting is possible
}
paths.sort(); //done so every time the scene is saved, it does not change
return paths;
}
void AnimationNode::_set_filters(const Array &p_filters) {
filter.clear();
for (int i = 0; i < p_filters.size(); i++) {
set_filter_path(p_filters[i], true);
}
}
void AnimationNode::_validate_property(PropertyInfo &p_property) const {
if (!has_filter() && (p_property.name == "filter_enabled" || p_property.name == "filters")) {
p_property.usage = PROPERTY_USAGE_NONE;
}
}
Ref<AnimationNode> AnimationNode::get_child_by_name(const StringName &p_name) const {
Ref<AnimationNode> ret;
GDVIRTUAL_CALL(_get_child_by_name, p_name, ret);
return ret;
}
Ref<AnimationNode> AnimationNode::find_node_by_path(const String &p_name) const {
Vector<String> split = p_name.split("/");
Ref<AnimationNode> ret = const_cast<AnimationNode *>(this);
for (int i = 0; i < split.size(); i++) {
ret = ret->get_child_by_name(split[i]);
if (!ret.is_valid()) {
break;
}
}
return ret;
}
void AnimationNode::_bind_methods() {
ClassDB::bind_method(D_METHOD("add_input", "name"), &AnimationNode::add_input);
ClassDB::bind_method(D_METHOD("remove_input", "index"), &AnimationNode::remove_input);
ClassDB::bind_method(D_METHOD("set_input_name", "input", "name"), &AnimationNode::set_input_name);
ClassDB::bind_method(D_METHOD("get_input_name", "input"), &AnimationNode::get_input_name);
ClassDB::bind_method(D_METHOD("get_input_count"), &AnimationNode::get_input_count);
ClassDB::bind_method(D_METHOD("find_input", "name"), &AnimationNode::find_input);
ClassDB::bind_method(D_METHOD("set_filter_path", "path", "enable"), &AnimationNode::set_filter_path);
ClassDB::bind_method(D_METHOD("is_path_filtered", "path"), &AnimationNode::is_path_filtered);
ClassDB::bind_method(D_METHOD("set_filter_enabled", "enable"), &AnimationNode::set_filter_enabled);
ClassDB::bind_method(D_METHOD("is_filter_enabled"), &AnimationNode::is_filter_enabled);
ClassDB::bind_method(D_METHOD("_set_filters", "filters"), &AnimationNode::_set_filters);
ClassDB::bind_method(D_METHOD("_get_filters"), &AnimationNode::_get_filters);
ClassDB::bind_method(D_METHOD("blend_animation", "animation", "time", "delta", "seeked", "is_external_seeking", "blend", "looped_flag"), &AnimationNode::blend_animation, DEFVAL(Animation::LOOPED_FLAG_NONE));
ClassDB::bind_method(D_METHOD("blend_node", "name", "node", "time", "seek", "is_external_seeking", "blend", "filter", "sync", "test_only"), &AnimationNode::blend_node, DEFVAL(FILTER_IGNORE), DEFVAL(true), DEFVAL(false));
ClassDB::bind_method(D_METHOD("blend_input", "input_index", "time", "seek", "is_external_seeking", "blend", "filter", "sync", "test_only"), &AnimationNode::blend_input, DEFVAL(FILTER_IGNORE), DEFVAL(true), DEFVAL(false));
ClassDB::bind_method(D_METHOD("set_parameter", "name", "value"), &AnimationNode::set_parameter);
ClassDB::bind_method(D_METHOD("get_parameter", "name"), &AnimationNode::get_parameter);
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "filter_enabled", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_NO_EDITOR), "set_filter_enabled", "is_filter_enabled");
ADD_PROPERTY(PropertyInfo(Variant::ARRAY, "filters", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_NO_EDITOR | PROPERTY_USAGE_INTERNAL), "_set_filters", "_get_filters");
GDVIRTUAL_BIND(_get_child_nodes);
GDVIRTUAL_BIND(_get_parameter_list);
GDVIRTUAL_BIND(_get_child_by_name, "name");
GDVIRTUAL_BIND(_get_parameter_default_value, "parameter");
GDVIRTUAL_BIND(_is_parameter_read_only, "parameter");
GDVIRTUAL_BIND(_process, "time", "seek", "is_external_seeking", "test_only");
GDVIRTUAL_BIND(_get_caption);
GDVIRTUAL_BIND(_has_filter);
ADD_SIGNAL(MethodInfo("tree_changed"));
ADD_SIGNAL(MethodInfo("animation_node_renamed", PropertyInfo(Variant::INT, "object_id"), PropertyInfo(Variant::STRING, "old_name"), PropertyInfo(Variant::STRING, "new_name")));
ADD_SIGNAL(MethodInfo("animation_node_removed", PropertyInfo(Variant::INT, "object_id"), PropertyInfo(Variant::STRING, "name")));
BIND_ENUM_CONSTANT(FILTER_IGNORE);
BIND_ENUM_CONSTANT(FILTER_PASS);
BIND_ENUM_CONSTANT(FILTER_STOP);
BIND_ENUM_CONSTANT(FILTER_BLEND);
}
AnimationNode::AnimationNode() {
}
////////////////////
void AnimationRootNode::_tree_changed() {
emit_signal(SNAME("tree_changed"));
}
void AnimationRootNode::_animation_node_renamed(const ObjectID &p_oid, const String &p_old_name, const String &p_new_name) {
emit_signal(SNAME("animation_node_renamed"), p_oid, p_old_name, p_new_name);
}
void AnimationRootNode::_animation_node_removed(const ObjectID &p_oid, const StringName &p_node) {
emit_signal(SNAME("animation_node_removed"), p_oid, p_node);
}
////////////////////
void AnimationTree::set_tree_root(const Ref<AnimationNode> &p_root) {
if (root.is_valid()) {
root->disconnect("tree_changed", callable_mp(this, &AnimationTree::_tree_changed));
root->disconnect("animation_node_renamed", callable_mp(this, &AnimationTree::_animation_node_renamed));
root->disconnect("animation_node_removed", callable_mp(this, &AnimationTree::_animation_node_removed));
}
root = p_root;
if (root.is_valid()) {
root->connect("tree_changed", callable_mp(this, &AnimationTree::_tree_changed));
root->connect("animation_node_renamed", callable_mp(this, &AnimationTree::_animation_node_renamed));
root->connect("animation_node_removed", callable_mp(this, &AnimationTree::_animation_node_removed));
}
properties_dirty = true;
update_configuration_warnings();
}
Ref<AnimationNode> AnimationTree::get_tree_root() const {
return root;
}
void AnimationTree::set_active(bool p_active) {
if (active == p_active) {
return;
}
active = p_active;
started = active;
if (process_callback == ANIMATION_PROCESS_IDLE) {
set_process_internal(active);
} else {
set_physics_process_internal(active);
}
if (!active && is_inside_tree()) {
_clear_caches();
}
}
bool AnimationTree::is_active() const {
return active;
}
void AnimationTree::set_process_callback(AnimationProcessCallback p_mode) {
if (process_callback == p_mode) {
return;
}
bool was_active = is_active();
if (was_active) {
set_active(false);
}
process_callback = p_mode;
if (was_active) {
set_active(true);
}
}
AnimationTree::AnimationProcessCallback AnimationTree::get_process_callback() const {
return process_callback;
}
void AnimationTree::_node_removed(Node *p_node) {
cache_valid = false;
}
bool AnimationTree::_update_caches(AnimationPlayer *player) {
setup_pass++;
if (!player->has_node(player->get_root())) {
ERR_PRINT("AnimationTree: AnimationPlayer root is invalid.");
set_active(false);
_clear_caches();
return false;
}
Node *parent = player->get_node(player->get_root());
List<StringName> sname;
player->get_animation_list(&sname);
root_motion_cache.loc = Vector3(0, 0, 0);
root_motion_cache.rot = Quaternion(0, 0, 0, 1);
root_motion_cache.scale = Vector3(1, 1, 1);
Ref<Animation> reset_anim;
bool has_reset_anim = player->has_animation(SceneStringNames::get_singleton()->RESET);
if (has_reset_anim) {
reset_anim = player->get_animation(SceneStringNames::get_singleton()->RESET);
}
for (const StringName &E : sname) {
Ref<Animation> anim = player->get_animation(E);
for (int i = 0; i < anim->get_track_count(); i++) {
NodePath path = anim->track_get_path(i);
Animation::TrackType track_type = anim->track_get_type(i);
Animation::TrackType track_cache_type = track_type;
if (track_cache_type == Animation::TYPE_POSITION_3D || track_cache_type == Animation::TYPE_ROTATION_3D || track_cache_type == Animation::TYPE_SCALE_3D) {
track_cache_type = Animation::TYPE_POSITION_3D; //reference them as position3D tracks, even if they modify rotation or scale
}
TrackCache *track = nullptr;
if (track_cache.has(path)) {
track = track_cache.get(path);
}
//if not valid, delete track
if (track && (track->type != track_cache_type || ObjectDB::get_instance(track->object_id) == nullptr)) {
playing_caches.erase(track);
memdelete(track);
track_cache.erase(path);
track = nullptr;
}
if (!track) {
Ref<Resource> resource;
Vector<StringName> leftover_path;
Node *child = parent->get_node_and_resource(path, resource, leftover_path);
if (!child) {
ERR_PRINT("AnimationTree: '" + String(E) + "', couldn't resolve track: '" + String(path) + "'");
continue;
}
if (!child->is_connected("tree_exited", callable_mp(this, &AnimationTree::_node_removed))) {
child->connect("tree_exited", callable_mp(this, &AnimationTree::_node_removed).bind(child));
}
switch (track_type) {
case Animation::TYPE_VALUE: {
TrackCacheValue *track_value = memnew(TrackCacheValue);
if (resource.is_valid()) {
track_value->object = resource.ptr();
} else {
track_value->object = child;
}
track_value->is_discrete = anim->value_track_get_update_mode(i) == Animation::UPDATE_DISCRETE;
track_value->is_using_angle = anim->track_get_interpolation_type(i) == Animation::INTERPOLATION_LINEAR_ANGLE || anim->track_get_interpolation_type(i) == Animation::INTERPOLATION_CUBIC_ANGLE;
track_value->subpath = leftover_path;
track_value->object_id = track_value->object->get_instance_id();
track = track_value;
// If a value track without a key is cached first, the initial value cannot be determined.
// It is a corner case, but which may cause problems with blending.
ERR_CONTINUE_MSG(anim->track_get_key_count(i) == 0, "AnimationTree: '" + String(E) + "', Value Track: '" + String(path) + "' must have at least one key to cache for blending.");
track_value->init_value = anim->track_get_key_value(i, 0);
track_value->init_value.zero();
// If there is a Reset Animation, it takes precedence by overwriting.
if (has_reset_anim) {
int rt = reset_anim->find_track(path, track_type);
if (rt >= 0 && reset_anim->track_get_key_count(rt) > 0) {
track_value->init_value = reset_anim->track_get_key_value(rt, 0);
}
}
} break;
case Animation::TYPE_POSITION_3D:
case Animation::TYPE_ROTATION_3D:
case Animation::TYPE_SCALE_3D: {
#ifndef _3D_DISABLED
Node3D *node_3d = Object::cast_to<Node3D>(child);
if (!node_3d) {
ERR_PRINT("AnimationTree: '" + String(E) + "', transform track does not point to Node3D: '" + String(path) + "'");
continue;
}
TrackCacheTransform *track_xform = memnew(TrackCacheTransform);
track_xform->type = Animation::TYPE_POSITION_3D;
track_xform->node_3d = node_3d;
track_xform->skeleton = nullptr;
track_xform->bone_idx = -1;
bool has_rest = false;
if (path.get_subname_count() == 1 && Object::cast_to<Skeleton3D>(node_3d)) {
Skeleton3D *sk = Object::cast_to<Skeleton3D>(node_3d);
track_xform->skeleton = sk;
int bone_idx = sk->find_bone(path.get_subname(0));
if (bone_idx != -1) {
has_rest = true;
track_xform->bone_idx = bone_idx;
Transform3D rest = sk->get_bone_rest(bone_idx);
track_xform->init_loc = rest.origin;
track_xform->init_rot = rest.basis.get_rotation_quaternion();
track_xform->init_scale = rest.basis.get_scale();
}
}
track_xform->object = node_3d;
track_xform->object_id = track_xform->object->get_instance_id();
track = track_xform;
switch (track_type) {
case Animation::TYPE_POSITION_3D: {
track_xform->loc_used = true;
} break;
case Animation::TYPE_ROTATION_3D: {
track_xform->rot_used = true;
} break;
case Animation::TYPE_SCALE_3D: {
track_xform->scale_used = true;
} break;
default: {
}
}
// For non Skeleton3D bone animation.
if (has_reset_anim && !has_rest) {
int rt = reset_anim->find_track(path, track_type);
if (rt >= 0 && reset_anim->track_get_key_count(rt) > 0) {
switch (track_type) {
case Animation::TYPE_POSITION_3D: {
track_xform->init_loc = reset_anim->track_get_key_value(rt, 0);
} break;
case Animation::TYPE_ROTATION_3D: {
track_xform->init_rot = reset_anim->track_get_key_value(rt, 0);
} break;
case Animation::TYPE_SCALE_3D: {
track_xform->init_scale = reset_anim->track_get_key_value(rt, 0);
} break;
default: {
}
}
}
}
#endif // _3D_DISABLED
} break;
case Animation::TYPE_BLEND_SHAPE: {
#ifndef _3D_DISABLED
if (path.get_subname_count() != 1) {
ERR_PRINT("AnimationTree: '" + String(E) + "', blend shape track does not contain a blend shape subname: '" + String(path) + "'");
continue;
}
MeshInstance3D *mesh_3d = Object::cast_to<MeshInstance3D>(child);
if (!mesh_3d) {
ERR_PRINT("AnimationTree: '" + String(E) + "', blend shape track does not point to MeshInstance3D: '" + String(path) + "'");
continue;
}
StringName blend_shape_name = path.get_subname(0);
int blend_shape_idx = mesh_3d->find_blend_shape_by_name(blend_shape_name);
if (blend_shape_idx == -1) {
ERR_PRINT("AnimationTree: '" + String(E) + "', blend shape track points to a non-existing name: '" + String(blend_shape_name) + "'");
continue;
}
TrackCacheBlendShape *track_bshape = memnew(TrackCacheBlendShape);
track_bshape->mesh_3d = mesh_3d;
track_bshape->shape_index = blend_shape_idx;
track_bshape->object = mesh_3d;
track_bshape->object_id = mesh_3d->get_instance_id();
track = track_bshape;
if (has_reset_anim) {
int rt = reset_anim->find_track(path, track_type);
if (rt >= 0 && reset_anim->track_get_key_count(rt) > 0) {
track_bshape->init_value = reset_anim->track_get_key_value(rt, 0);
}
}
#endif
} break;
case Animation::TYPE_METHOD: {
TrackCacheMethod *track_method = memnew(TrackCacheMethod);
if (resource.is_valid()) {
track_method->object = resource.ptr();
} else {
track_method->object = child;
}
track_method->object_id = track_method->object->get_instance_id();
track = track_method;
} break;
case Animation::TYPE_BEZIER: {
TrackCacheBezier *track_bezier = memnew(TrackCacheBezier);
if (resource.is_valid()) {
track_bezier->object = resource.ptr();
} else {
track_bezier->object = child;
}
track_bezier->subpath = leftover_path;
track_bezier->object_id = track_bezier->object->get_instance_id();
track = track_bezier;
if (has_reset_anim) {
int rt = reset_anim->find_track(path, track_type);
if (rt >= 0 && reset_anim->track_get_key_count(rt) > 0) {
track_bezier->init_value = (reset_anim->track_get_key_value(rt, 0).operator Array())[0];
}
}
} break;
case Animation::TYPE_AUDIO: {
TrackCacheAudio *track_audio = memnew(TrackCacheAudio);
track_audio->object = child;
track_audio->object_id = track_audio->object->get_instance_id();
track_audio->audio_stream.instantiate();
track_audio->audio_stream->set_polyphony(audio_max_polyphony);
track = track_audio;
} break;
case Animation::TYPE_ANIMATION: {
TrackCacheAnimation *track_animation = memnew(TrackCacheAnimation);
track_animation->object = child;
track_animation->object_id = track_animation->object->get_instance_id();
track = track_animation;
} break;
default: {
ERR_PRINT("Animation corrupted (invalid track type)");
continue;
}
}
track_cache[path] = track;
} else if (track_cache_type == Animation::TYPE_POSITION_3D) {
TrackCacheTransform *track_xform = static_cast<TrackCacheTransform *>(track);
if (track->setup_pass != setup_pass) {
track_xform->loc_used = false;
track_xform->rot_used = false;
track_xform->scale_used = false;
}
switch (track_type) {
case Animation::TYPE_POSITION_3D: {
track_xform->loc_used = true;
} break;
case Animation::TYPE_ROTATION_3D: {
track_xform->rot_used = true;
} break;
case Animation::TYPE_SCALE_3D: {
track_xform->scale_used = true;
} break;
default: {
}
}
} else if (track_cache_type == Animation::TYPE_VALUE) {
// If it has at least one angle interpolation, it also uses angle interpolation for blending.
TrackCacheValue *track_value = static_cast<TrackCacheValue *>(track);
bool was_discrete = track_value->is_discrete;
bool was_using_angle = track_value->is_using_angle;
track_value->is_discrete |= anim->value_track_get_update_mode(i) == Animation::UPDATE_DISCRETE;
track_value->is_using_angle |= anim->track_get_interpolation_type(i) == Animation::INTERPOLATION_LINEAR_ANGLE || anim->track_get_interpolation_type(i) == Animation::INTERPOLATION_CUBIC_ANGLE;
if (was_discrete != track_value->is_discrete) {
ERR_PRINT_ED("Value Track: " + String(path) + " with different update modes are blended. Blending prioritizes Discrete mode, so other update mode tracks will not be blended.");
}
if (was_using_angle != track_value->is_using_angle) {
WARN_PRINT_ED("Value Track: " + String(path) + " with different interpolation types for rotation are blended. Blending prioritizes angle interpolation, so the blending result uses the shortest path referenced to the initial (RESET animation) value.");
}
}
track->setup_pass = setup_pass;
}
}
List<NodePath> to_delete;
for (const KeyValue<NodePath, TrackCache *> &K : track_cache) {
TrackCache *tc = track_cache[K.key];
if (tc->setup_pass != setup_pass) {
to_delete.push_back(K.key);
}
}
while (to_delete.front()) {
NodePath np = to_delete.front()->get();
memdelete(track_cache[np]);
track_cache.erase(np);
to_delete.pop_front();
}
state.track_map.clear();
int idx = 0;
for (const KeyValue<NodePath, TrackCache *> &K : track_cache) {
state.track_map[K.key] = idx;
idx++;
}
state.track_count = idx;
cache_valid = true;
return true;
}
void AnimationTree::_animation_player_changed() {
emit_signal(SNAME("animation_player_changed"));
_clear_caches();
}
void AnimationTree::_clear_caches() {
_clear_audio_streams();
_clear_playing_caches();
for (KeyValue<NodePath, TrackCache *> &K : track_cache) {
memdelete(K.value);
}
track_cache.clear();
cache_valid = false;
}
void AnimationTree::_clear_audio_streams() {
for (int i = 0; i < playing_audio_stream_players.size(); i++) {
playing_audio_stream_players[i]->call(SNAME("stop"));
playing_audio_stream_players[i]->call(SNAME("set_stream"), Ref<AudioStream>());
}
playing_audio_stream_players.clear();
}
void AnimationTree::_clear_playing_caches() {
for (const TrackCache *E : playing_caches) {
if (ObjectDB::get_instance(E->object_id)) {
E->object->call(SNAME("stop"));
}
}
playing_caches.clear();
}
void AnimationTree::_call_object(Object *p_object, const StringName &p_method, const Vector<Variant> &p_params, bool p_deferred) {
// Separate function to use alloca() more efficiently
const Variant **argptrs = (const Variant **)alloca(sizeof(const Variant **) * p_params.size());
const Variant *args = p_params.ptr();
uint32_t argcount = p_params.size();
for (uint32_t i = 0; i < argcount; i++) {
argptrs[i] = &args[i];
}
if (p_deferred) {
MessageQueue::get_singleton()->push_callp(p_object, p_method, argptrs, argcount);
} else {
Callable::CallError ce;
p_object->callp(p_method, argptrs, argcount, ce);
}
}
void AnimationTree::_process_graph(double p_delta) {
_update_properties(); //if properties need updating, update them
//check all tracks, see if they need modification
root_motion_position = Vector3(0, 0, 0);
root_motion_rotation = Quaternion(0, 0, 0, 1);
root_motion_scale = Vector3(0, 0, 0);
if (!root.is_valid()) {
ERR_PRINT("AnimationTree: root AnimationNode is not set, disabling playback.");
set_active(false);
cache_valid = false;
return;
}
if (!has_node(animation_player)) {
ERR_PRINT("AnimationTree: no valid AnimationPlayer path set, disabling playback");
set_active(false);
cache_valid = false;
return;
}
AnimationPlayer *player = Object::cast_to<AnimationPlayer>(get_node(animation_player));
ObjectID current_animation_player;
if (player) {
current_animation_player = player->get_instance_id();
}
if (last_animation_player != current_animation_player) {
if (last_animation_player.is_valid()) {
Object *old_player = ObjectDB::get_instance(last_animation_player);
if (old_player) {
old_player->disconnect("caches_cleared", callable_mp(this, &AnimationTree::_clear_caches));
}
}
if (player) {
player->connect("caches_cleared", callable_mp(this, &AnimationTree::_clear_caches));
}
last_animation_player = current_animation_player;
}
if (!player) {
ERR_PRINT("AnimationTree: path points to a node not an AnimationPlayer, disabling playback");
set_active(false);
cache_valid = false;
return;
}
if (!cache_valid) {
if (!_update_caches(player)) {
return;
}
}
{ //setup
process_pass++;
state.valid = true;
state.invalid_reasons = "";
state.animation_states.clear(); //will need to be re-created
state.player = player;
state.last_pass = process_pass;
state.tree = this;
// root source blends
root->blends.resize(state.track_count);
real_t *src_blendsw = root->blends.ptrw();
for (int i = 0; i < state.track_count; i++) {
src_blendsw[i] = 1.0; //by default all go to 1 for the root input
}
}
//process
{
if (started) {
//if started, seek
root->_pre_process(SceneStringNames::get_singleton()->parameters_base_path, nullptr, &state, 0, true, false, Vector<StringName>());
started = false;
}
root->_pre_process(SceneStringNames::get_singleton()->parameters_base_path, nullptr, &state, p_delta, false, false, Vector<StringName>());
}
if (!state.valid) {
return; //state is not valid. do nothing.
}
// Init all value/transform/blend/bezier tracks that track_cache has.
{
for (const KeyValue<NodePath, TrackCache *> &K : track_cache) {
TrackCache *track = K.value;
switch (track->type) {
case Animation::TYPE_POSITION_3D: {
TrackCacheTransform *t = static_cast<TrackCacheTransform *>(track);
if (track->root_motion) {
root_motion_cache.loc = Vector3(0, 0, 0);
root_motion_cache.rot = Quaternion(0, 0, 0, 1);
root_motion_cache.scale = Vector3(1, 1, 1);
}
t->loc = t->init_loc;
t->rot = t->init_rot;
t->scale = t->init_scale;
} break;
case Animation::TYPE_BLEND_SHAPE: {
TrackCacheBlendShape *t = static_cast<TrackCacheBlendShape *>(track);
t->value = t->init_value;
} break;
case Animation::TYPE_VALUE: {
TrackCacheValue *t = static_cast<TrackCacheValue *>(track);
t->value = t->init_value;
} break;
case Animation::TYPE_BEZIER: {
TrackCacheBezier *t = static_cast<TrackCacheBezier *>(track);
t->value = t->init_value;
} break;
case Animation::TYPE_AUDIO: {
TrackCacheAudio *t = static_cast<TrackCacheAudio *>(track);
for (KeyValue<ObjectID, PlayingAudioTrackInfo> &L : t->playing_streams) {
PlayingAudioTrackInfo &track_info = L.value;
track_info.volume = 0.0;
}
} break;
default: {
} break;
}
}
}
// Apply value/transform/blend/bezier blends to track caches and execute method/audio/animation tracks.
{
#ifdef TOOLS_ENABLED
bool can_call = is_inside_tree() && !Engine::get_singleton()->is_editor_hint();
#endif // TOOLS_ENABLED
for (const AnimationNode::AnimationState &as : state.animation_states) {
Ref<Animation> a = as.animation;
double time = as.time;
double delta = as.delta;
real_t weight = as.blend;
bool seeked = as.seeked;
Animation::LoopedFlag looped_flag = as.looped_flag;
bool is_external_seeking = as.is_external_seeking;
bool backward = signbit(delta); // This flag is used by the root motion calculates or detecting the end of audio stream.
#ifndef _3D_DISABLED
bool calc_root = !seeked || is_external_seeking;
#endif // _3D_DISABLED
for (int i = 0; i < a->get_track_count(); i++) {
if (!a->track_is_enabled(i)) {
continue;
}
NodePath path = a->track_get_path(i);
if (!track_cache.has(path)) {
continue; // No path, but avoid error spamming.
}
TrackCache *track = track_cache[path];
ERR_CONTINUE(!state.track_map.has(path));
int blend_idx = state.track_map[path];
ERR_CONTINUE(blend_idx < 0 || blend_idx >= state.track_count);
real_t blend = (as.track_blends)[blend_idx] * weight;
Animation::TrackType ttype = a->track_get_type(i);
if (ttype != Animation::TYPE_POSITION_3D && ttype != Animation::TYPE_ROTATION_3D && ttype != Animation::TYPE_SCALE_3D && track->type != ttype) {
//broken animation, but avoid error spamming
continue;
}
track->root_motion = root_motion_track == path;
switch (ttype) {
case Animation::TYPE_POSITION_3D: {
#ifndef _3D_DISABLED
if (Math::is_zero_approx(blend)) {
continue; // Nothing to blend.
}
TrackCacheTransform *t = static_cast<TrackCacheTransform *>(track);
if (track->root_motion && calc_root) {
double prev_time = time - delta;
if (!backward) {
if (prev_time < 0) {
switch (a->get_loop_mode()) {
case Animation::LOOP_NONE: {
prev_time = 0;
} break;
case Animation::LOOP_LINEAR: {
prev_time = Math::fposmod(prev_time, (double)a->get_length());
} break;
case Animation::LOOP_PINGPONG: {
prev_time = Math::pingpong(prev_time, (double)a->get_length());
} break;
default:
break;
}
}
} else {
if (prev_time > a->get_length()) {
switch (a->get_loop_mode()) {
case Animation::LOOP_NONE: {
prev_time = (double)a->get_length();
} break;
case Animation::LOOP_LINEAR: {
prev_time = Math::fposmod(prev_time, (double)a->get_length());
} break;
case Animation::LOOP_PINGPONG: {
prev_time = Math::pingpong(prev_time, (double)a->get_length());
} break;
default:
break;
}
}
}
Vector3 loc[2];
if (!backward) {
if (prev_time > time) {
Error err = a->try_position_track_interpolate(i, prev_time, &loc[0]);
if (err != OK) {
continue;
}
loc[0] = post_process_key_value(a, i, loc[0], t->object, t->bone_idx);
a->try_position_track_interpolate(i, (double)a->get_length(), &loc[1]);
loc[1] = post_process_key_value(a, i, loc[1], t->object, t->bone_idx);
root_motion_cache.loc += (loc[1] - loc[0]) * blend;
prev_time = 0;
}
} else {
if (prev_time < time) {
Error err = a->try_position_track_interpolate(i, prev_time, &loc[0]);
if (err != OK) {
continue;
}
loc[0] = post_process_key_value(a, i, loc[0], t->object, t->bone_idx);
a->try_position_track_interpolate(i, 0, &loc[1]);
loc[1] = post_process_key_value(a, i, loc[1], t->object, t->bone_idx);
root_motion_cache.loc += (loc[1] - loc[0]) * blend;
prev_time = (double)a->get_length();
}
}
Error err = a->try_position_track_interpolate(i, prev_time, &loc[0]);
if (err != OK) {
continue;
}
loc[0] = post_process_key_value(a, i, loc[0], t->object, t->bone_idx);
a->try_position_track_interpolate(i, time, &loc[1]);
loc[1] = post_process_key_value(a, i, loc[1], t->object, t->bone_idx);
root_motion_cache.loc += (loc[1] - loc[0]) * blend;
prev_time = !backward ? 0 : (double)a->get_length();
}
{
Vector3 loc;
Error err = a->try_position_track_interpolate(i, time, &loc);
if (err != OK) {
continue;
}
loc = post_process_key_value(a, i, loc, t->object, t->bone_idx);
t->loc += (loc - t->init_loc) * blend;
}
#endif // _3D_DISABLED
} break;
case Animation::TYPE_ROTATION_3D: {
#ifndef _3D_DISABLED
if (Math::is_zero_approx(blend)) {
continue; // Nothing to blend.
}
TrackCacheTransform *t = static_cast<TrackCacheTransform *>(track);
if (track->root_motion && calc_root) {
double prev_time = time - delta;
if (!backward) {
if (prev_time < 0) {
switch (a->get_loop_mode()) {
case Animation::LOOP_NONE: {
prev_time = 0;
} break;
case Animation::LOOP_LINEAR: {
prev_time = Math::fposmod(prev_time, (double)a->get_length());
} break;
case Animation::LOOP_PINGPONG: {
prev_time = Math::pingpong(prev_time, (double)a->get_length());
} break;
default:
break;
}
}
} else {
if (prev_time > a->get_length()) {
switch (a->get_loop_mode()) {
case Animation::LOOP_NONE: {
prev_time = (double)a->get_length();
} break;
case Animation::LOOP_LINEAR: {
prev_time = Math::fposmod(prev_time, (double)a->get_length());
} break;
case Animation::LOOP_PINGPONG: {
prev_time = Math::pingpong(prev_time, (double)a->get_length());
} break;
default:
break;
}
}
}
Quaternion rot[2];
if (!backward) {
if (prev_time > time) {
Error err = a->try_rotation_track_interpolate(i, prev_time, &rot[0]);
if (err != OK) {
continue;
}
rot[0] = post_process_key_value(a, i, rot[0], t->object, t->bone_idx);
a->try_rotation_track_interpolate(i, (double)a->get_length(), &rot[1]);
rot[1] = post_process_key_value(a, i, rot[1], t->object, t->bone_idx);
root_motion_cache.rot = (root_motion_cache.rot * Quaternion().slerp(rot[0].inverse() * rot[1], blend)).normalized();
prev_time = 0;
}
} else {
if (prev_time < time) {
Error err = a->try_rotation_track_interpolate(i, prev_time, &rot[0]);
if (err != OK) {
continue;
}
rot[0] = post_process_key_value(a, i, rot[0], t->object, t->bone_idx);
a->try_rotation_track_interpolate(i, 0, &rot[1]);
root_motion_cache.rot = (root_motion_cache.rot * Quaternion().slerp(rot[0].inverse() * rot[1], blend)).normalized();
prev_time = (double)a->get_length();
}
}
Error err = a->try_rotation_track_interpolate(i, prev_time, &rot[0]);
if (err != OK) {
continue;
}
rot[0] = post_process_key_value(a, i, rot[0], t->object, t->bone_idx);
a->try_rotation_track_interpolate(i, time, &rot[1]);
rot[1] = post_process_key_value(a, i, rot[1], t->object, t->bone_idx);
root_motion_cache.rot = (root_motion_cache.rot * Quaternion().slerp(rot[0].inverse() * rot[1], blend)).normalized();
prev_time = !backward ? 0 : (double)a->get_length();
}
{
Quaternion rot;
Error err = a->try_rotation_track_interpolate(i, time, &rot);
if (err != OK) {
continue;
}
rot = post_process_key_value(a, i, rot, t->object, t->bone_idx);
t->rot = (t->rot * Quaternion().slerp(t->init_rot.inverse() * rot, blend)).normalized();
}
#endif // _3D_DISABLED
} break;
case Animation::TYPE_SCALE_3D: {
#ifndef _3D_DISABLED
if (Math::is_zero_approx(blend)) {
continue; // Nothing to blend.
}
TrackCacheTransform *t = static_cast<TrackCacheTransform *>(track);
if (track->root_motion && calc_root) {
double prev_time = time - delta;
if (!backward) {
if (prev_time < 0) {
switch (a->get_loop_mode()) {
case Animation::LOOP_NONE: {
prev_time = 0;
} break;
case Animation::LOOP_LINEAR: {
prev_time = Math::fposmod(prev_time, (double)a->get_length());
} break;
case Animation::LOOP_PINGPONG: {
prev_time = Math::pingpong(prev_time, (double)a->get_length());
} break;
default:
break;
}
}
} else {
if (prev_time > a->get_length()) {
switch (a->get_loop_mode()) {
case Animation::LOOP_NONE: {
prev_time = (double)a->get_length();
} break;
case Animation::LOOP_LINEAR: {
prev_time = Math::fposmod(prev_time, (double)a->get_length());
} break;
case Animation::LOOP_PINGPONG: {
prev_time = Math::pingpong(prev_time, (double)a->get_length());
} break;
default:
break;
}
}
}
Vector3 scale[2];
if (!backward) {
if (prev_time > time) {
Error err = a->try_scale_track_interpolate(i, prev_time, &scale[0]);
if (err != OK) {
continue;
}
scale[0] = post_process_key_value(a, i, scale[0], t->object, t->bone_idx);
a->try_scale_track_interpolate(i, (double)a->get_length(), &scale[1]);
root_motion_cache.scale += (scale[1] - scale[0]) * blend;
scale[1] = post_process_key_value(a, i, scale[1], t->object, t->bone_idx);
prev_time = 0;
}
} else {
if (prev_time < time) {
Error err = a->try_scale_track_interpolate(i, prev_time, &scale[0]);
if (err != OK) {
continue;
}
scale[0] = post_process_key_value(a, i, scale[0], t->object, t->bone_idx);
a->try_scale_track_interpolate(i, 0, &scale[1]);
scale[1] = post_process_key_value(a, i, scale[1], t->object, t->bone_idx);
root_motion_cache.scale += (scale[1] - scale[0]) * blend;
prev_time = (double)a->get_length();
}
}
Error err = a->try_scale_track_interpolate(i, prev_time, &scale[0]);
if (err != OK) {
continue;
}
scale[0] = post_process_key_value(a, i, scale[0], t->object, t->bone_idx);
a->try_scale_track_interpolate(i, time, &scale[1]);
scale[1] = post_process_key_value(a, i, scale[1], t->object, t->bone_idx);
root_motion_cache.scale += (scale[1] - scale[0]) * blend;
prev_time = !backward ? 0 : (double)a->get_length();
}
{
Vector3 scale;
Error err = a->try_scale_track_interpolate(i, time, &scale);
if (err != OK) {
continue;
}
scale = post_process_key_value(a, i, scale, t->object, t->bone_idx);
t->scale += (scale - t->init_scale) * blend;
}
#endif // _3D_DISABLED
} break;
case Animation::TYPE_BLEND_SHAPE: {
#ifndef _3D_DISABLED
if (Math::is_zero_approx(blend)) {
continue; // Nothing to blend.
}
TrackCacheBlendShape *t = static_cast<TrackCacheBlendShape *>(track);
float value;
Error err = a->try_blend_shape_track_interpolate(i, time, &value);
//ERR_CONTINUE(err!=OK); //used for testing, should be removed
if (err != OK) {
continue;
}
value = post_process_key_value(a, i, value, t->object, t->shape_index);
t->value += (value - t->init_value) * blend;
#endif // _3D_DISABLED
} break;
case Animation::TYPE_VALUE: {
if (Math::is_zero_approx(blend)) {
continue; // Nothing to blend.
}
TrackCacheValue *t = static_cast<TrackCacheValue *>(track);
Animation::UpdateMode update_mode = a->value_track_get_update_mode(i);
if (update_mode == Animation::UPDATE_CONTINUOUS || update_mode == Animation::UPDATE_CAPTURE) {
Variant value = a->value_track_interpolate(i, time);
value = post_process_key_value(a, i, value, t->object);
if (value == Variant()) {
continue;
}
// Special case for angle interpolation.
if (t->is_using_angle) {
// For blending consistency, it prevents rotation of more than 180 degrees from init_value.
// This is the same as for Quaternion blends.
float rot_a = t->value;
float rot_b = value;
float rot_init = t->init_value;
rot_a = Math::fposmod(rot_a, (float)Math_TAU);
rot_b = Math::fposmod(rot_b, (float)Math_TAU);
rot_init = Math::fposmod(rot_init, (float)Math_TAU);
if (rot_init < Math_PI) {
rot_a = rot_a > rot_init + Math_PI ? rot_a - Math_TAU : rot_a;
rot_b = rot_b > rot_init + Math_PI ? rot_b - Math_TAU : rot_b;
} else {
rot_a = rot_a < rot_init - Math_PI ? rot_a + Math_TAU : rot_a;
rot_b = rot_b < rot_init - Math_PI ? rot_b + Math_TAU : rot_b;
}
t->value = Math::fposmod(rot_a + (rot_b - rot_init) * (float)blend, (float)Math_TAU);
} else {
if (t->init_value.get_type() == Variant::BOOL) {
value = Animation::subtract_variant(value.operator real_t(), t->init_value.operator real_t());
t->value = Animation::blend_variant(t->value.operator real_t(), value.operator real_t(), blend);
} else {
value = Animation::subtract_variant(value, t->init_value);
t->value = Animation::blend_variant(t->value, value, blend);
}
}
} else {
if (seeked) {
int idx = a->track_find_key(i, time, is_external_seeking ? Animation::FIND_MODE_NEAREST : Animation::FIND_MODE_EXACT);
if (idx < 0) {
continue;
}
Variant value = a->track_get_key_value(i, idx);
value = post_process_key_value(a, i, value, t->object);
t->object->set_indexed(t->subpath, value);
} else {
List<int> indices;
a->track_get_key_indices_in_range(i, time, delta, &indices, looped_flag);
for (int &F : indices) {
Variant value = a->track_get_key_value(i, F);
value = post_process_key_value(a, i, value, t->object);
t->object->set_indexed(t->subpath, value);
}
}
}
} break;
case Animation::TYPE_METHOD: {
#ifdef TOOLS_ENABLED
if (!can_call) {
continue;
}
#endif // TOOLS_ENABLED
if (Math::is_zero_approx(blend)) {
continue; // Nothing to blend.
}
TrackCacheMethod *t = static_cast<TrackCacheMethod *>(track);
if (seeked) {
int idx = a->track_find_key(i, time, is_external_seeking ? Animation::FIND_MODE_NEAREST : Animation::FIND_MODE_EXACT);
if (idx < 0) {
continue;
}
StringName method = a->method_track_get_name(i, idx);
Vector<Variant> params = a->method_track_get_params(i, idx);
_call_object(t->object, method, params, false);
} else {
List<int> indices;
a->track_get_key_indices_in_range(i, time, delta, &indices, looped_flag);
for (int &F : indices) {
StringName method = a->method_track_get_name(i, F);
Vector<Variant> params = a->method_track_get_params(i, F);
_call_object(t->object, method, params, true);
}
}
} break;
case Animation::TYPE_BEZIER: {
if (Math::is_zero_approx(blend)) {
continue; // Nothing to blend.
}
TrackCacheBezier *t = static_cast<TrackCacheBezier *>(track);
real_t bezier = a->bezier_track_interpolate(i, time);
bezier = post_process_key_value(a, i, bezier, t->object);
t->value += (bezier - t->init_value) * blend;
} break;
case Animation::TYPE_AUDIO: {
TrackCacheAudio *t = static_cast<TrackCacheAudio *>(track);
Node *asp = Object::cast_to<Node>(t->object);
if (!asp) {
t->playing_streams.clear();
continue;
}
ObjectID oid = a->get_instance_id();
if (!t->playing_streams.has(oid)) {
t->playing_streams[oid] = PlayingAudioTrackInfo();
}
// The end of audio should be observed even if the blend value is 0, build up the information and store to the cache for that.
PlayingAudioTrackInfo &track_info = t->playing_streams[oid];
track_info.length = a->get_length();
track_info.time = time;
track_info.volume += blend;
track_info.loop = a->get_loop_mode() != Animation::LOOP_NONE;
track_info.backward = backward;
track_info.use_blend = a->audio_track_is_use_blend(i);
HashMap<int, PlayingAudioStreamInfo> &map = track_info.stream_info;
// Find stream.
int idx = -1;
if (seeked) {
idx = a->track_find_key(i, time, is_external_seeking ? Animation::FIND_MODE_NEAREST : Animation::FIND_MODE_EXACT);
// Discard previous stream when seeking.
if (map.has(idx)) {
t->audio_stream_playback->stop_stream(map[idx].index);
map.erase(idx);
}
} else {
List<int> to_play;
a->track_get_key_indices_in_range(i, time, delta, &to_play, looped_flag);
if (to_play.size()) {
idx = to_play.back()->get();
}
}
if (idx < 0) {
continue;
}
// Play stream.
Ref<AudioStream> stream = a->audio_track_get_key_stream(i, idx);
if (stream.is_valid()) {
double start_ofs = a->audio_track_get_key_start_offset(i, idx);
double end_ofs = a->audio_track_get_key_end_offset(i, idx);
double len = stream->get_length();
if (seeked) {
start_ofs += time - a->track_get_key_time(i, idx);
}
if (t->object->call(SNAME("get_stream")) != t->audio_stream) {
t->object->call(SNAME("set_stream"), t->audio_stream);
t->audio_stream_playback.unref();
if (!playing_audio_stream_players.has(asp)) {
playing_audio_stream_players.push_back(asp);
}
}
if (!t->object->call(SNAME("is_playing"))) {
t->object->call(SNAME("play"));
}
if (!t->object->call(SNAME("has_stream_playback"))) {
t->audio_stream_playback.unref();
continue;
}
if (t->audio_stream_playback.is_null()) {
t->audio_stream_playback = t->object->call(SNAME("get_stream_playback"));
}
PlayingAudioStreamInfo pasi;
pasi.index = t->audio_stream_playback->play_stream(stream, start_ofs);
pasi.start = time;
if (len && end_ofs > 0) { // Force an end at a time.
pasi.len = len - start_ofs - end_ofs;
} else {
pasi.len = 0;
}
map[idx] = pasi;
}
} break;
case Animation::TYPE_ANIMATION: {
if (Math::is_zero_approx(blend)) {
continue; // Nothing to blend.
}
TrackCacheAnimation *t = static_cast<TrackCacheAnimation *>(track);
AnimationPlayer *player2 = Object::cast_to<AnimationPlayer>(t->object);
if (!player2) {
continue;
}
if (seeked) {
//seek
int idx = a->track_find_key(i, time, is_external_seeking ? Animation::FIND_MODE_NEAREST : Animation::FIND_MODE_EXACT);
if (idx < 0) {
continue;
}
double pos = a->track_get_key_time(i, idx);
StringName anim_name = a->animation_track_get_key_animation(i, idx);
if (String(anim_name) == "[stop]" || !player2->has_animation(anim_name)) {
continue;
}
Ref<Animation> anim = player2->get_animation(anim_name);
double at_anim_pos = 0.0;
switch (anim->get_loop_mode()) {
case Animation::LOOP_NONE: {
at_anim_pos = MAX((double)anim->get_length(), time - pos); //seek to end
} break;
case Animation::LOOP_LINEAR: {
at_anim_pos = Math::fposmod(time - pos, (double)anim->get_length()); //seek to loop
} break;
case Animation::LOOP_PINGPONG: {
at_anim_pos = Math::pingpong(time - pos, (double)a->get_length());
} break;
default:
break;
}
if (player2->is_playing() || seeked) {
player2->seek(at_anim_pos);
player2->play(anim_name);
t->playing = true;
playing_caches.insert(t);
} else {
player2->set_assigned_animation(anim_name);
player2->seek(at_anim_pos, true);
}
} else {
//find stuff to play
List<int> to_play;
a->track_get_key_indices_in_range(i, time, delta, &to_play, looped_flag);
if (to_play.size()) {
int idx = to_play.back()->get();
StringName anim_name = a->animation_track_get_key_animation(i, idx);
if (String(anim_name) == "[stop]" || !player2->has_animation(anim_name)) {
if (playing_caches.has(t)) {
playing_caches.erase(t);
player2->stop();
t->playing = false;
}
} else {
player2->play(anim_name);
t->playing = true;
playing_caches.insert(t);
}
}
}
} break;
}
}
}
}
{
// finally, set the tracks
for (const KeyValue<NodePath, TrackCache *> &K : track_cache) {
TrackCache *track = K.value;
switch (track->type) {
case Animation::TYPE_POSITION_3D: {
#ifndef _3D_DISABLED
TrackCacheTransform *t = static_cast<TrackCacheTransform *>(track);
if (t->root_motion) {
root_motion_position = root_motion_cache.loc;
root_motion_rotation = root_motion_cache.rot;
root_motion_scale = root_motion_cache.scale - Vector3(1, 1, 1);
root_motion_position_accumulator = t->loc;
root_motion_rotation_accumulator = t->rot;
root_motion_scale_accumulator = t->scale;
} else if (t->skeleton && t->bone_idx >= 0) {
if (t->loc_used) {
t->skeleton->set_bone_pose_position(t->bone_idx, t->loc);
}
if (t->rot_used) {
t->skeleton->set_bone_pose_rotation(t->bone_idx, t->rot);
}
if (t->scale_used) {
t->skeleton->set_bone_pose_scale(t->bone_idx, t->scale);
}
} else if (!t->skeleton) {
if (t->loc_used) {
t->node_3d->set_position(t->loc);
}
if (t->rot_used) {
t->node_3d->set_rotation(t->rot.get_euler());
}
if (t->scale_used) {
t->node_3d->set_scale(t->scale);
}
}
#endif // _3D_DISABLED
} break;
case Animation::TYPE_BLEND_SHAPE: {
#ifndef _3D_DISABLED
TrackCacheBlendShape *t = static_cast<TrackCacheBlendShape *>(track);
if (t->mesh_3d) {
t->mesh_3d->set_blend_shape_value(t->shape_index, t->value);
}
#endif // _3D_DISABLED
} break;
case Animation::TYPE_VALUE: {
TrackCacheValue *t = static_cast<TrackCacheValue *>(track);
if (t->is_discrete) {
break; // Don't overwrite the value set by UPDATE_DISCRETE.
}
if (t->init_value.get_type() == Variant::BOOL) {
t->object->set_indexed(t->subpath, t->value.operator real_t() >= 0.5);
} else {
t->object->set_indexed(t->subpath, t->value);
}
} break;
case Animation::TYPE_BEZIER: {
TrackCacheBezier *t = static_cast<TrackCacheBezier *>(track);
t->object->set_indexed(t->subpath, t->value);
} break;
case Animation::TYPE_AUDIO: {
TrackCacheAudio *t = static_cast<TrackCacheAudio *>(track);
// Audio ending process.
LocalVector<ObjectID> erase_maps;
for (KeyValue<ObjectID, PlayingAudioTrackInfo> &L : t->playing_streams) {
PlayingAudioTrackInfo &track_info = L.value;
float db = Math::linear_to_db(track_info.use_blend ? track_info.volume : 1.0);
LocalVector<int> erase_streams;
HashMap<int, PlayingAudioStreamInfo> &map = track_info.stream_info;
for (const KeyValue<int, PlayingAudioStreamInfo> &M : map) {
PlayingAudioStreamInfo pasi = M.value;
bool stop = false;
if (!t->audio_stream_playback->is_stream_playing(pasi.index)) {
stop = true;
}
if (!track_info.loop) {
if (!track_info.backward) {
if (track_info.time < pasi.start) {
stop = true;
}
} else if (track_info.backward) {
if (track_info.time > pasi.start) {
stop = true;
}
}
}
if (pasi.len > 0) {
double len = 0.0;
if (!track_info.backward) {
len = pasi.start > track_info.time ? (track_info.length - pasi.start) + track_info.time : track_info.time - pasi.start;
} else {
len = pasi.start < track_info.time ? (track_info.length - track_info.time) + pasi.start : pasi.start - track_info.time;
}
if (len > pasi.len) {
stop = true;
}
}
if (stop) {
// Time to stop.
t->audio_stream_playback->stop_stream(pasi.index);
erase_streams.push_back(M.key);
} else {
t->audio_stream_playback->set_stream_volume(pasi.index, db);
}
}
for (uint32_t erase_idx = 0; erase_idx < erase_streams.size(); erase_idx++) {
map.erase(erase_streams[erase_idx]);
}
if (map.size() == 0) {
erase_maps.push_back(L.key);
}
}
for (uint32_t erase_idx = 0; erase_idx < erase_maps.size(); erase_idx++) {
t->playing_streams.erase(erase_maps[erase_idx]);
}
} break;
default: {
} //the rest don't matter
}
}
}
}
Variant AnimationTree::post_process_key_value(const Ref<Animation> &p_anim, int p_track, Variant p_value, const Object *p_object, int p_object_idx) {
Variant res;
if (GDVIRTUAL_CALL(_post_process_key_value, p_anim, p_track, p_value, const_cast<Object *>(p_object), p_object_idx, res)) {
return res;
}
return _post_process_key_value(p_anim, p_track, p_value, p_object, p_object_idx);
}
Variant AnimationTree::_post_process_key_value(const Ref<Animation> &p_anim, int p_track, Variant p_value, const Object *p_object, int p_object_idx) {
switch (p_anim->track_get_type(p_track)) {
#ifndef _3D_DISABLED
case Animation::TYPE_POSITION_3D: {
if (p_object_idx >= 0) {
const Skeleton3D *skel = Object::cast_to<Skeleton3D>(p_object);
return Vector3(p_value) * skel->get_motion_scale();
}
return p_value;
} break;
#endif // _3D_DISABLED
default: {
} break;
}
return p_value;
}
void AnimationTree::advance(double p_time) {
_process_graph(p_time);
}
void AnimationTree::_notification(int p_what) {
switch (p_what) {
case NOTIFICATION_ENTER_TREE: {
_setup_animation_player();
if (last_animation_player.is_valid()) {
Object *player = ObjectDB::get_instance(last_animation_player);
if (player) {
player->connect("caches_cleared", callable_mp(this, &AnimationTree::_clear_caches));
}
}
} break;
case NOTIFICATION_EXIT_TREE: {
_clear_caches();
if (last_animation_player.is_valid()) {
Object *player = ObjectDB::get_instance(last_animation_player);
if (player) {
player->disconnect("caches_cleared", callable_mp(this, &AnimationTree::_clear_caches));
}
}
} break;
case NOTIFICATION_INTERNAL_PROCESS: {
if (active && process_callback == ANIMATION_PROCESS_IDLE) {
_process_graph(get_process_delta_time());
}
} break;
case NOTIFICATION_INTERNAL_PHYSICS_PROCESS: {
if (active && process_callback == ANIMATION_PROCESS_PHYSICS) {
_process_graph(get_physics_process_delta_time());
}
} break;
}
}
void AnimationTree::_setup_animation_player() {
if (!is_inside_tree()) {
return;
}
cache_valid = false;
AnimationPlayer *new_player = nullptr;
if (!animation_player.is_empty()) {
new_player = Object::cast_to<AnimationPlayer>(get_node_or_null(animation_player));
if (new_player && !new_player->is_connected("animation_list_changed", callable_mp(this, &AnimationTree::_animation_player_changed))) {
new_player->connect("animation_list_changed", callable_mp(this, &AnimationTree::_animation_player_changed));
}
}
if (new_player) {
if (!last_animation_player.is_valid()) {
// Animation player set newly.
emit_signal(SNAME("animation_player_changed"));
return;
} else if (last_animation_player == new_player->get_instance_id()) {
// Animation player isn't changed.
return;
}
} else if (!last_animation_player.is_valid()) {
// Animation player is being empty.
return;
}
AnimationPlayer *old_player = Object::cast_to<AnimationPlayer>(ObjectDB::get_instance(last_animation_player));
if (old_player && old_player->is_connected("animation_list_changed", callable_mp(this, &AnimationTree::_animation_player_changed))) {
old_player->disconnect("animation_list_changed", callable_mp(this, &AnimationTree::_animation_player_changed));
}
emit_signal(SNAME("animation_player_changed"));
}
void AnimationTree::set_animation_player(const NodePath &p_player) {
animation_player = p_player;
_setup_animation_player();
update_configuration_warnings();
}
NodePath AnimationTree::get_animation_player() const {
return animation_player;
}
void AnimationTree::set_advance_expression_base_node(const NodePath &p_advance_expression_base_node) {
advance_expression_base_node = p_advance_expression_base_node;
}
NodePath AnimationTree::get_advance_expression_base_node() const {
return advance_expression_base_node;
}
void AnimationTree::set_audio_max_polyphony(int p_audio_max_polyphony) {
ERR_FAIL_COND(p_audio_max_polyphony < 0 || p_audio_max_polyphony > 128);
audio_max_polyphony = p_audio_max_polyphony;
}
int AnimationTree::get_audio_max_polyphony() const {
return audio_max_polyphony;
}
bool AnimationTree::is_state_invalid() const {
return !state.valid;
}
String AnimationTree::get_invalid_state_reason() const {
return state.invalid_reasons;
}
uint64_t AnimationTree::get_last_process_pass() const {
return process_pass;
}
PackedStringArray AnimationTree::get_configuration_warnings() const {
PackedStringArray warnings = Node::get_configuration_warnings();
if (!root.is_valid()) {
warnings.push_back(RTR("No root AnimationNode for the graph is set."));
}
if (!has_node(animation_player)) {
warnings.push_back(RTR("Path to an AnimationPlayer node containing animations is not set."));
} else {
AnimationPlayer *player = Object::cast_to<AnimationPlayer>(get_node(animation_player));
if (!player) {
warnings.push_back(RTR("Path set for AnimationPlayer does not lead to an AnimationPlayer node."));
} else if (!player->has_node(player->get_root())) {
warnings.push_back(RTR("The AnimationPlayer root node is not a valid node."));
}
}
return warnings;
}
void AnimationTree::set_root_motion_track(const NodePath &p_track) {
root_motion_track = p_track;
}
NodePath AnimationTree::get_root_motion_track() const {
return root_motion_track;
}
Vector3 AnimationTree::get_root_motion_position() const {
return root_motion_position;
}
Quaternion AnimationTree::get_root_motion_rotation() const {
return root_motion_rotation;
}
Vector3 AnimationTree::get_root_motion_scale() const {
return root_motion_scale;
}
Vector3 AnimationTree::get_root_motion_position_accumulator() const {
return root_motion_position_accumulator;
}
Quaternion AnimationTree::get_root_motion_rotation_accumulator() const {
return root_motion_rotation_accumulator;
}
Vector3 AnimationTree::get_root_motion_scale_accumulator() const {
return root_motion_scale_accumulator;
}
void AnimationTree::_tree_changed() {
if (properties_dirty) {
return;
}
call_deferred(SNAME("_update_properties"));
properties_dirty = true;
}
void AnimationTree::_animation_node_renamed(const ObjectID &p_oid, const String &p_old_name, const String &p_new_name) {
ERR_FAIL_COND(!property_reference_map.has(p_oid));
String base_path = property_reference_map[p_oid];
String old_base = base_path + p_old_name;
String new_base = base_path + p_new_name;
for (const PropertyInfo &E : properties) {
if (E.name.begins_with(old_base)) {
String new_name = E.name.replace_first(old_base, new_base);
property_map[new_name] = property_map[E.name];
property_map.erase(E.name);
}
}
//update tree second
properties_dirty = true;
_update_properties();
}
void AnimationTree::_animation_node_removed(const ObjectID &p_oid, const StringName &p_node) {
ERR_FAIL_COND(!property_reference_map.has(p_oid));
String base_path = String(property_reference_map[p_oid]) + String(p_node);
for (const PropertyInfo &E : properties) {
if (E.name.begins_with(base_path)) {
property_map.erase(E.name);
}
}
//update tree second
properties_dirty = true;
_update_properties();
}
void AnimationTree::_update_properties_for_node(const String &p_base_path, Ref<AnimationNode> node) {
ERR_FAIL_COND(node.is_null());
if (!property_parent_map.has(p_base_path)) {
property_parent_map[p_base_path] = HashMap<StringName, StringName>();
}
if (!property_reference_map.has(node->get_instance_id())) {
property_reference_map[node->get_instance_id()] = p_base_path;
}
if (node->get_input_count() && !input_activity_map.has(p_base_path)) {
Vector<Activity> activity;
for (int i = 0; i < node->get_input_count(); i++) {
Activity a;
a.activity = 0;
a.last_pass = 0;
activity.push_back(a);
}
input_activity_map[p_base_path] = activity;
input_activity_map_get[String(p_base_path).substr(0, String(p_base_path).length() - 1)] = &input_activity_map[p_base_path];
}
List<PropertyInfo> plist;
node->get_parameter_list(&plist);
for (PropertyInfo &pinfo : plist) {
StringName key = pinfo.name;
if (!property_map.has(p_base_path + key)) {
Pair<Variant, bool> param;
param.first = node->get_parameter_default_value(key);
param.second = node->is_parameter_read_only(key);
property_map[p_base_path + key] = param;
}
property_parent_map[p_base_path][key] = p_base_path + key;
pinfo.name = p_base_path + key;
properties.push_back(pinfo);
}
List<AnimationNode::ChildNode> children;
node->get_child_nodes(&children);
for (const AnimationNode::ChildNode &E : children) {
_update_properties_for_node(p_base_path + E.name + "/", E.node);
}
}
void AnimationTree::_update_properties() {
if (!properties_dirty) {
return;
}
properties.clear();
property_reference_map.clear();
property_parent_map.clear();
input_activity_map.clear();
input_activity_map_get.clear();
if (root.is_valid()) {
_update_properties_for_node(SceneStringNames::get_singleton()->parameters_base_path, root);
}
properties_dirty = false;
notify_property_list_changed();
}
bool AnimationTree::_set(const StringName &p_name, const Variant &p_value) {
if (properties_dirty) {
_update_properties();
}
if (property_map.has(p_name)) {
if (is_inside_tree() && property_map[p_name].second) {
return false; // Prevent to set property by user.
}
property_map[p_name].first = p_value;
return true;
}
return false;
}
bool AnimationTree::_get(const StringName &p_name, Variant &r_ret) const {
if (properties_dirty) {
const_cast<AnimationTree *>(this)->_update_properties();
}
if (property_map.has(p_name)) {
r_ret = property_map[p_name].first;
return true;
}
return false;
}
void AnimationTree::_get_property_list(List<PropertyInfo> *p_list) const {
if (properties_dirty) {
const_cast<AnimationTree *>(this)->_update_properties();
}
for (const PropertyInfo &E : properties) {
p_list->push_back(E);
}
}
real_t AnimationTree::get_connection_activity(const StringName &p_path, int p_connection) const {
if (!input_activity_map_get.has(p_path)) {
return 0;
}
const Vector<Activity> *activity = input_activity_map_get[p_path];
if (!activity || p_connection < 0 || p_connection >= activity->size()) {
return 0;
}
if ((*activity)[p_connection].last_pass != process_pass) {
return 0;
}
return (*activity)[p_connection].activity;
}
void AnimationTree::_bind_methods() {
ClassDB::bind_method(D_METHOD("set_active", "active"), &AnimationTree::set_active);
ClassDB::bind_method(D_METHOD("is_active"), &AnimationTree::is_active);
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_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);
ClassDB::bind_method(D_METHOD("set_advance_expression_base_node", "node"), &AnimationTree::set_advance_expression_base_node);
ClassDB::bind_method(D_METHOD("get_advance_expression_base_node"), &AnimationTree::get_advance_expression_base_node);
ClassDB::bind_method(D_METHOD("set_root_motion_track", "path"), &AnimationTree::set_root_motion_track);
ClassDB::bind_method(D_METHOD("get_root_motion_track"), &AnimationTree::get_root_motion_track);
ClassDB::bind_method(D_METHOD("set_audio_max_polyphony", "max_polyphony"), &AnimationTree::set_audio_max_polyphony);
ClassDB::bind_method(D_METHOD("get_audio_max_polyphony"), &AnimationTree::get_audio_max_polyphony);
ClassDB::bind_method(D_METHOD("get_root_motion_position"), &AnimationTree::get_root_motion_position);
ClassDB::bind_method(D_METHOD("get_root_motion_rotation"), &AnimationTree::get_root_motion_rotation);
ClassDB::bind_method(D_METHOD("get_root_motion_scale"), &AnimationTree::get_root_motion_scale);
ClassDB::bind_method(D_METHOD("get_root_motion_position_accumulator"), &AnimationTree::get_root_motion_position_accumulator);
ClassDB::bind_method(D_METHOD("get_root_motion_rotation_accumulator"), &AnimationTree::get_root_motion_rotation_accumulator);
ClassDB::bind_method(D_METHOD("get_root_motion_scale_accumulator"), &AnimationTree::get_root_motion_scale_accumulator);
ClassDB::bind_method(D_METHOD("_update_properties"), &AnimationTree::_update_properties);
ClassDB::bind_method(D_METHOD("advance", "delta"), &AnimationTree::advance);
GDVIRTUAL_BIND(_post_process_key_value, "animation", "track", "value", "object", "object_idx");
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::NODE_PATH, "advance_expression_base_node", PROPERTY_HINT_NODE_PATH_VALID_TYPES, "Node"), "set_advance_expression_base_node", "get_advance_expression_base_node");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "active"), "set_active", "is_active");
ADD_PROPERTY(PropertyInfo(Variant::INT, "process_callback", PROPERTY_HINT_ENUM, "Physics,Idle,Manual"), "set_process_callback", "get_process_callback");
ADD_GROUP("Audio", "audio_");
ADD_PROPERTY(PropertyInfo(Variant::INT, "audio_max_polyphony", PROPERTY_HINT_RANGE, "1,127,1"), "set_audio_max_polyphony", "get_audio_max_polyphony");
ADD_GROUP("Root Motion", "root_motion_");
ADD_PROPERTY(PropertyInfo(Variant::NODE_PATH, "root_motion_track"), "set_root_motion_track", "get_root_motion_track");
BIND_ENUM_CONSTANT(ANIMATION_PROCESS_PHYSICS);
BIND_ENUM_CONSTANT(ANIMATION_PROCESS_IDLE);
BIND_ENUM_CONSTANT(ANIMATION_PROCESS_MANUAL);
ADD_SIGNAL(MethodInfo("animation_player_changed"));
// Signals from AnimationNodes.
ADD_SIGNAL(MethodInfo("animation_started", PropertyInfo(Variant::STRING_NAME, "anim_name")));
ADD_SIGNAL(MethodInfo("animation_finished", PropertyInfo(Variant::STRING_NAME, "anim_name")));
}
AnimationTree::AnimationTree() {
}
AnimationTree::~AnimationTree() {
}
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