summaryrefslogtreecommitdiff
path: root/scene/animation/animation_tree.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'scene/animation/animation_tree.cpp')
-rw-r--r--scene/animation/animation_tree.cpp1338
1 files changed, 1338 insertions, 0 deletions
diff --git a/scene/animation/animation_tree.cpp b/scene/animation/animation_tree.cpp
new file mode 100644
index 0000000000..83ec9f819b
--- /dev/null
+++ b/scene/animation/animation_tree.cpp
@@ -0,0 +1,1338 @@
+#include "animation_tree.h"
+#include "animation_blend_tree.h"
+#include "core/method_bind_ext.gen.inc"
+#include "engine.h"
+#include "scene/scene_string_names.h"
+#include "servers/audio/audio_stream.h"
+
+void AnimationNode::blend_animation(const StringName &p_animation, float p_time, float p_delta, bool p_seeked, float p_blend) {
+
+ ERR_FAIL_COND(!state);
+ ERR_FAIL_COND(!state->player->has_animation(p_animation));
+
+ Ref<Animation> animation = state->player->get_animation(p_animation);
+
+ if (animation.is_null()) {
+
+ Ref<AnimationNodeBlendTree> btree = get_parent();
+ if (btree.is_valid()) {
+ String name = btree->get_node_name(Ref<AnimationNodeAnimation>(this));
+ make_invalid(vformat(RTR("In node '%s', invalid animation: '%s'."), 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;
+
+ state->animation_states.push_back(anim_state);
+}
+
+float AnimationNode::_pre_process(State *p_state, float p_time, bool p_seek) {
+ state = p_state;
+ float t = process(p_time, p_seek);
+ state = NULL;
+ return t;
+}
+
+void AnimationNode::make_invalid(const String &p_reason) {
+ ERR_FAIL_COND(!state);
+ state->valid = false;
+ if (state->invalid_reasons != String()) {
+ state->invalid_reasons += "\n";
+ }
+ state->invalid_reasons += "- " + p_reason;
+}
+
+float AnimationNode::blend_input(int p_input, float p_time, bool p_seek, float p_blend, FilterAction p_filter, bool p_optimize) {
+ ERR_FAIL_INDEX_V(p_input, inputs.size(), 0);
+ ERR_FAIL_COND_V(!state, 0);
+ ERR_FAIL_COND_V(!get_tree(), 0); //should not happen, but used to catch bugs
+
+ Ref<AnimationNodeBlendTree> tree = get_parent();
+
+ if (!tree.is_valid() && get_tree()->get_tree_root().ptr() != this) {
+ make_invalid(RTR("Can't blend input because node is not in a tree"));
+ return 0;
+ }
+
+ ERR_FAIL_COND_V(!tree.is_valid(), 0); //should not happen
+
+ StringName anim_name = inputs[p_input].connected_to;
+
+ Ref<AnimationNode> node = tree->get_node(anim_name);
+
+ if (node.is_null()) {
+
+ String name = tree->get_node_name(Ref<AnimationNodeAnimation>(this));
+ make_invalid(vformat(RTR("Nothing connected to input '%s' of node '%s'."), get_input_name(p_input), name));
+ return 0;
+ }
+
+ inputs[p_input].last_pass = state->last_pass;
+
+ return _blend_node(node, p_time, p_seek, p_blend, p_filter, p_optimize, &inputs[p_input].activity);
+}
+
+float AnimationNode::blend_node(Ref<AnimationNode> p_node, float p_time, bool p_seek, float p_blend, FilterAction p_filter, bool p_optimize) {
+
+ return _blend_node(p_node, p_time, p_seek, p_blend, p_filter, p_optimize);
+}
+
+float AnimationNode::_blend_node(Ref<AnimationNode> p_node, float p_time, bool p_seek, float p_blend, FilterAction p_filter, bool p_optimize, float *r_max) {
+
+ ERR_FAIL_COND_V(!p_node.is_valid(), 0);
+ ERR_FAIL_COND_V(!state, 0);
+
+ int blend_count = blends.size();
+
+ if (p_node->blends.size() != blend_count) {
+ p_node->blends.resize(blend_count);
+ }
+
+ float *blendw = p_node->blends.ptrw();
+ const float *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
+ }
+
+ const NodePath *K = NULL;
+ while ((K = filter.next(K))) {
+ if (!state->track_map.has(*K)) {
+ continue;
+ }
+ int idx = state->track_map[*K];
+ 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 dont
+ 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 (blendw[i] > CMP_EPSILON) {
+ any_valid = true;
+ }
+ }
+
+ } break;
+ case FILTER_STOP: {
+
+ //values filtered dont 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 (blendw[i] > CMP_EPSILON) {
+ 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 (blendw[i] > CMP_EPSILON) {
+ any_valid = true;
+ }
+ }
+
+ } break;
+ }
+ } else {
+ for (int i = 0; i < blend_count; i++) {
+
+ //regular blend
+ blendw[i] = blendr[i] * p_blend;
+ if (blendw[i] > CMP_EPSILON) {
+ any_valid = true;
+ }
+ }
+ }
+
+ if (r_max) {
+ *r_max = 0;
+ for (int i = 0; i < blend_count; i++) {
+ *r_max = MAX(*r_max, blendw[i]);
+ }
+ }
+
+ if (!p_seek && p_optimize && !any_valid) //pointless to go on, all are zero
+ return 0;
+
+ return p_node->_pre_process(state, p_time, p_seek);
+}
+
+int AnimationNode::get_input_count() const {
+
+ return inputs.size();
+}
+String AnimationNode::get_input_name(int p_input) {
+ ERR_FAIL_INDEX_V(p_input, inputs.size(), String());
+ return inputs[p_input].name;
+}
+
+float AnimationNode::get_input_activity(int p_input) const {
+
+ ERR_FAIL_INDEX_V(p_input, inputs.size(), 0);
+ if (!get_tree())
+ return 0;
+
+ if (get_tree()->get_last_process_pass() != inputs[p_input].last_pass) {
+ return 0;
+ }
+ return inputs[p_input].activity;
+}
+StringName AnimationNode::get_input_connection(int p_input) {
+
+ ERR_FAIL_INDEX_V(p_input, inputs.size(), StringName());
+ return inputs[p_input].connected_to;
+}
+
+void AnimationNode::set_input_connection(int p_input, const StringName &p_connection) {
+
+ ERR_FAIL_INDEX(p_input, inputs.size());
+ inputs[p_input].connected_to = p_connection;
+}
+
+String AnimationNode::get_caption() const {
+
+ if (get_script_instance()) {
+ return get_script_instance()->call("get_caption");
+ }
+
+ return "Node";
+}
+
+void AnimationNode::add_input(const String &p_name) {
+ //root nodes cant add inputs
+ ERR_FAIL_COND(Object::cast_to<AnimationRootNode>(this) != NULL)
+ Input input;
+ ERR_FAIL_COND(p_name.find(".") != -1 || p_name.find("/") != -1);
+ input.name = p_name;
+ input.activity = 0;
+ input.last_pass = 0;
+ inputs.push_back(input);
+ emit_changed();
+}
+
+void AnimationNode::set_input_name(int p_input, const String &p_name) {
+ ERR_FAIL_INDEX(p_input, inputs.size());
+ ERR_FAIL_COND(p_name.find(".") != -1 || p_name.find("/") != -1);
+ inputs[p_input].name = p_name;
+ emit_changed();
+}
+
+void AnimationNode::remove_input(int p_index) {
+ ERR_FAIL_INDEX(p_index, inputs.size());
+ inputs.remove(p_index);
+ emit_changed();
+}
+
+void AnimationNode::_set_parent(Object *p_parent) {
+ set_parent(Object::cast_to<AnimationNode>(p_parent));
+}
+
+void AnimationNode::set_parent(AnimationNode *p_parent) {
+ parent = p_parent; //do not use ref because parent contains children
+ if (get_script_instance()) {
+ get_script_instance()->call("_parent_set", p_parent);
+ }
+}
+
+Ref<AnimationNode> AnimationNode::get_parent() const {
+ if (parent) {
+ return Ref<AnimationNode>(parent);
+ }
+
+ return Ref<AnimationNode>();
+}
+
+AnimationTree *AnimationNode::get_tree() const {
+
+ return player;
+}
+
+AnimationPlayer *AnimationNode::get_player() const {
+ ERR_FAIL_COND_V(!state, NULL);
+ return state->player;
+}
+
+float AnimationNode::process(float p_time, bool p_seek) {
+
+ if (get_script_instance()) {
+ return get_script_instance()->call("process", p_time, p_seek);
+ }
+
+ return 0;
+}
+
+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;
+}
+
+bool AnimationNode::is_path_filtered(const NodePath &p_path) const {
+ return filter.has(p_path);
+}
+
+bool AnimationNode::has_filter() const {
+ return false;
+}
+
+void AnimationNode::set_position(const Vector2 &p_position) {
+ position = p_position;
+}
+
+Vector2 AnimationNode::get_position() const {
+ return position;
+}
+
+void AnimationNode::set_tree(AnimationTree *p_player) {
+
+ if (player != NULL && p_player == NULL) {
+ emit_signal("removed_from_graph");
+ }
+ player = p_player;
+}
+
+Array AnimationNode::_get_filters() const {
+
+ Array paths;
+
+ const NodePath *K = NULL;
+ while ((K = filter.next(K))) {
+ paths.push_back(String(*K)); //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 &property) const {
+ if (!has_filter() && (property.name == "filter_enabled" || property.name == "filters")) {
+ property.usage = 0;
+ }
+}
+
+void AnimationNode::_bind_methods() {
+
+ ClassDB::bind_method(D_METHOD("get_input_count"), &AnimationNode::get_input_count);
+ ClassDB::bind_method(D_METHOD("get_input_name", "input"), &AnimationNode::get_input_name);
+ ClassDB::bind_method(D_METHOD("get_input_connection", "input"), &AnimationNode::get_input_connection);
+ ClassDB::bind_method(D_METHOD("get_input_activity", "input"), &AnimationNode::get_input_activity);
+
+ 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_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_position", "position"), &AnimationNode::set_position);
+ ClassDB::bind_method(D_METHOD("get_position"), &AnimationNode::get_position);
+
+ 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", "blend"), &AnimationNode::blend_animation);
+ ClassDB::bind_method(D_METHOD("blend_node", "node", "time", "seek", "blend", "filter", "optimize"), &AnimationNode::blend_node, DEFVAL(FILTER_IGNORE), DEFVAL(true));
+ ClassDB::bind_method(D_METHOD("blend_input", "input_index", "time", "seek", "blend", "filter", "optimize"), &AnimationNode::blend_input, DEFVAL(FILTER_IGNORE), DEFVAL(true));
+
+ ClassDB::bind_method(D_METHOD("set_parent", "parent"), &AnimationNode::_set_parent);
+ ClassDB::bind_method(D_METHOD("get_parent"), &AnimationNode::get_parent);
+ ClassDB::bind_method(D_METHOD("get_tree"), &AnimationNode::get_tree);
+
+ ADD_PROPERTY(PropertyInfo(Variant::BOOL, "filter_enabled", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_NOEDITOR), "set_filter_enabled", "is_filter_enabled");
+ ADD_PROPERTY(PropertyInfo(Variant::ARRAY, "filters", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_NOEDITOR | PROPERTY_USAGE_INTERNAL), "_set_filters", "_get_filters");
+
+ BIND_VMETHOD(MethodInfo("process", PropertyInfo(Variant::REAL, "time"), PropertyInfo(Variant::BOOL, "seek")));
+ BIND_VMETHOD(MethodInfo(Variant::STRING, "get_caption"));
+ BIND_VMETHOD(MethodInfo(Variant::STRING, "has_filter"));
+ BIND_VMETHOD(MethodInfo("_parent_set", PropertyInfo(Variant::OBJECT, "parent")));
+
+ ADD_SIGNAL(MethodInfo("removed_from_graph"));
+ BIND_ENUM_CONSTANT(FILTER_IGNORE);
+ BIND_ENUM_CONSTANT(FILTER_PASS);
+ BIND_ENUM_CONSTANT(FILTER_STOP);
+ BIND_ENUM_CONSTANT(FILTER_BLEND);
+}
+
+AnimationNode::AnimationNode() {
+
+ state = NULL;
+ parent = NULL;
+ player = NULL;
+ set_local_to_scene(true);
+ filter_enabled = false;
+}
+
+////////////////////
+
+void AnimationTree::set_tree_root(const Ref<AnimationNode> &p_root) {
+
+ if (root.is_valid()) {
+ root->set_tree(NULL);
+ }
+ if (p_root.is_valid()) {
+ ERR_EXPLAIN("root node already set to another player");
+ ERR_FAIL_COND(p_root->player);
+ }
+ root = p_root;
+
+ if (root.is_valid()) {
+ root->set_tree(this);
+ }
+
+ update_configuration_warning();
+}
+
+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_mode == ANIMATION_PROCESS_IDLE) {
+ set_process_internal(active);
+ } else {
+
+ set_physics_process_internal(active);
+ }
+
+ if (!active && is_inside_tree()) {
+ for (Set<TrackCache *>::Element *E = playing_caches.front(); E; E = E->next()) {
+
+ if (ObjectDB::get_instance(E->get()->object_id)) {
+ E->get()->object->call("stop");
+ }
+ }
+
+ playing_caches.clear();
+ }
+}
+
+bool AnimationTree::is_active() const {
+
+ return active;
+}
+
+void AnimationTree::set_process_mode(AnimationProcessMode p_mode) {
+
+ if (process_mode == p_mode)
+ return;
+
+ bool was_active = is_active();
+ if (was_active) {
+ set_active(false);
+ }
+
+ process_mode = p_mode;
+
+ if (was_active) {
+ set_active(true);
+ }
+}
+
+AnimationTree::AnimationProcessMode AnimationTree::get_process_mode() const {
+ return process_mode;
+}
+
+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);
+ return false;
+ }
+ Node *parent = player->get_node(player->get_root());
+
+ List<StringName> sname;
+ player->get_animation_list(&sname);
+
+ for (List<StringName>::Element *E = sname.front(); E; E = E->next()) {
+ Ref<Animation> anim = player->get_animation(E->get());
+ 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);
+
+ TrackCache *track = NULL;
+ if (track_cache.has(path)) {
+ track = track_cache.get(path);
+ }
+
+ //if not valid, delete track
+ if (track && (track->type != track_type || ObjectDB::get_instance(track->object_id) == NULL)) {
+ playing_caches.erase(track);
+ memdelete(track);
+ track_cache.erase(path);
+ track = NULL;
+ }
+
+ if (!track) {
+
+ RES resource;
+ Vector<StringName> leftover_path;
+ Node *child = parent->get_node_and_resource(path, resource, leftover_path);
+
+ if (!child) {
+ ERR_PRINTS("AnimationTree: '" + String(E->get()) + "', couldn't resolve track: '" + String(path) + "'");
+ continue;
+ }
+
+ if (!child->is_connected("tree_exited", this, "_node_removed")) {
+ child->connect("tree_exited", this, "_node_removed", varray(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->subpath = leftover_path;
+ track_value->object_id = track_value->object->get_instance_id();
+
+ track = track_value;
+
+ } break;
+ case Animation::TYPE_TRANSFORM: {
+
+ Spatial *spatial = Object::cast_to<Spatial>(child);
+
+ if (!spatial) {
+ ERR_PRINTS("AnimationTree: '" + String(E->get()) + "', transform track does not point to spatial: '" + String(path) + "'");
+ continue;
+ }
+
+ TrackCacheTransform *track_xform = memnew(TrackCacheTransform);
+
+ track_xform->spatial = spatial;
+ track_xform->skeleton = NULL;
+ track_xform->bone_idx = -1;
+
+ if (path.get_subname_count() == 1 && Object::cast_to<Skeleton>(spatial)) {
+
+ Skeleton *sk = Object::cast_to<Skeleton>(spatial);
+ int bone_idx = sk->find_bone(path.get_subname(0));
+ if (bone_idx != -1 && !sk->is_bone_ignore_animation(bone_idx)) {
+
+ track_xform->skeleton = sk;
+ track_xform->bone_idx = bone_idx;
+ }
+ }
+
+ track_xform->object = spatial;
+ track_xform->object_id = track_xform->object->get_instance_id();
+
+ track = track_xform;
+
+ } 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;
+ } 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 = 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;
+ }
+
+ track_cache[path] = track;
+ }
+
+ track->setup_pass = setup_pass;
+ }
+ }
+
+ List<NodePath> to_delete;
+
+ const NodePath *K = NULL;
+ while ((K = track_cache.next(K))) {
+ TrackCache *tc = track_cache[*K];
+ if (tc->setup_pass != setup_pass) {
+ to_delete.push_back(*K);
+ }
+ }
+
+ 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();
+
+ K = NULL;
+ int idx = 0;
+ while ((K = track_cache.next(K))) {
+ state.track_map[*K] = idx;
+ idx++;
+ }
+
+ state.track_count = idx;
+
+ cache_valid = true;
+
+ return true;
+}
+
+void AnimationTree::_clear_caches() {
+
+ const NodePath *K = NULL;
+ while ((K = track_cache.next(K))) {
+ memdelete(track_cache[*K]);
+ }
+ playing_caches.clear();
+
+ track_cache.clear();
+ cache_valid = false;
+}
+
+void AnimationTree::_process_graph(float p_delta) {
+
+ //check all tracks, see if they need modification
+ root_motion_transform = Transform();
+
+ 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));
+
+ 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.valid = true;
+ state.player = player;
+ state.last_pass = process_pass;
+
+ // root source blends
+
+ root->blends.resize(state.track_count);
+ float *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(&state, 0, true);
+ started = false;
+ }
+
+ root->_pre_process(&state, p_delta, false);
+ }
+
+ if (!state.valid) {
+ return; //state is not valid. do nothing.
+ }
+ //apply value/transform/bezier blends to track caches and execute method/audio/animation tracks
+
+ {
+
+ bool can_call = is_inside_tree() && !Engine::get_singleton()->is_editor_hint();
+
+ for (List<AnimationNode::AnimationState>::Element *E = state.animation_states.front(); E; E = E->next()) {
+
+ const AnimationNode::AnimationState &as = E->get();
+
+ Ref<Animation> a = as.animation;
+ float time = as.time;
+ float delta = as.delta;
+ bool seeked = as.seeked;
+
+ for (int i = 0; i < a->get_track_count(); i++) {
+
+ NodePath path = a->track_get_path(i);
+ TrackCache *track = track_cache[path];
+ if (track->type != a->track_get_type(i)) {
+ continue; //may happen should not
+ }
+
+ track->root_motion = root_motion_track == 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);
+
+ float blend = (*as.track_blends)[blend_idx];
+
+ if (blend < CMP_EPSILON)
+ continue; //nothing to blend
+
+ switch (track->type) {
+
+ case Animation::TYPE_TRANSFORM: {
+
+ TrackCacheTransform *t = static_cast<TrackCacheTransform *>(track);
+
+ if (t->process_pass != process_pass) {
+
+ t->process_pass = process_pass;
+ t->loc = Vector3();
+ t->rot = Quat();
+ t->rot_blend_accum = 0;
+ t->scale = Vector3();
+ }
+
+ if (track->root_motion) {
+
+ float prev_time = time - delta;
+ if (prev_time < 0) {
+ if (!a->has_loop()) {
+ prev_time = 0;
+ } else {
+ prev_time = a->get_length() + prev_time;
+ }
+ }
+
+ Vector3 loc[2];
+ Quat rot[2];
+ Vector3 scale[2];
+
+ if (prev_time > time) {
+
+ Error err = a->transform_track_interpolate(i, prev_time, &loc[0], &rot[0], &scale[0]);
+ if (err != OK) {
+ continue;
+ }
+
+ a->transform_track_interpolate(i, a->get_length(), &loc[1], &rot[1], &scale[1]);
+
+ t->loc += (loc[1] - loc[0]) * blend;
+ t->scale += (scale[1] - scale[0]) * blend;
+ Quat q = Quat().slerp(rot[0].normalized().inverse() * rot[1].normalized(), blend).normalized();
+ t->rot = (t->rot * q).normalized();
+
+ prev_time = 0;
+ }
+
+ Error err = a->transform_track_interpolate(i, prev_time, &loc[0], &rot[0], &scale[0]);
+ if (err != OK) {
+ continue;
+ }
+
+ a->transform_track_interpolate(i, time, &loc[1], &rot[1], &scale[1]);
+
+ t->loc += (loc[1] - loc[0]) * blend;
+ t->scale += (scale[1] - scale[0]) * blend;
+ Quat q = Quat().slerp(rot[0].normalized().inverse() * rot[1].normalized(), blend).normalized();
+ t->rot = (t->rot * q).normalized();
+
+ prev_time = 0;
+
+ } else {
+ Vector3 loc;
+ Quat rot;
+ Vector3 scale;
+
+ Error err = a->transform_track_interpolate(i, time, &loc, &rot, &scale);
+ //ERR_CONTINUE(err!=OK); //used for testing, should be removed
+
+ scale -= Vector3(1.0, 1.0, 1.0); //helps make it work properly with Add nodes
+
+ if (err != OK)
+ continue;
+
+ t->loc = t->loc.linear_interpolate(loc, blend);
+ if (t->rot_blend_accum==0) {
+ t->rot = rot;
+ t->rot_blend_accum = blend;
+ } else {
+ float rot_total = t->rot_blend_accum + blend;
+ t->rot = rot.slerp(t->rot, t->rot_blend_accum / rot_total).normalized();
+ t->rot_blend_accum = rot_total;
+ }
+ t->scale = t->scale.linear_interpolate(scale, blend);
+ }
+
+ } break;
+ case Animation::TYPE_VALUE: {
+
+ 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) { //delta == 0 means seek
+
+ Variant value = a->value_track_interpolate(i, time);
+
+ if (value == Variant())
+ continue;
+
+ if (t->process_pass != process_pass) {
+ Variant::CallError ce;
+ t->value = Variant::construct(value.get_type(), NULL, 0, ce); //reset
+ t->process_pass = process_pass;
+ }
+
+ Variant::interpolate(t->value, value, blend, t->value);
+
+ } else if (delta != 0) {
+
+ List<int> indices;
+ a->value_track_get_key_indices(i, time, delta, &indices);
+
+ for (List<int>::Element *F = indices.front(); F; F = F->next()) {
+
+ Variant value = a->track_get_key_value(i, F->get());
+ t->object->set_indexed(t->subpath, value);
+ }
+ }
+
+ } break;
+ case Animation::TYPE_METHOD: {
+
+ if (delta == 0) {
+ continue;
+ }
+ TrackCacheMethod *t = static_cast<TrackCacheMethod *>(track);
+
+ List<int> indices;
+
+ a->method_track_get_key_indices(i, time, delta, &indices);
+
+ for (List<int>::Element *E = indices.front(); E; E = E->next()) {
+
+ StringName method = a->method_track_get_name(i, E->get());
+ Vector<Variant> params = a->method_track_get_params(i, E->get());
+
+ int s = params.size();
+
+ ERR_CONTINUE(s > VARIANT_ARG_MAX);
+ if (can_call) {
+ t->object->call_deferred(
+ method,
+ s >= 1 ? params[0] : Variant(),
+ s >= 2 ? params[1] : Variant(),
+ s >= 3 ? params[2] : Variant(),
+ s >= 4 ? params[3] : Variant(),
+ s >= 5 ? params[4] : Variant());
+ }
+ }
+
+ } break;
+ case Animation::TYPE_BEZIER: {
+
+ TrackCacheBezier *t = static_cast<TrackCacheBezier *>(track);
+
+ float bezier = a->bezier_track_interpolate(i, time);
+
+ if (t->process_pass != process_pass) {
+ t->value = 0;
+ t->process_pass = process_pass;
+ }
+
+ t->value = Math::lerp(t->value, bezier, blend);
+
+ } break;
+ case Animation::TYPE_AUDIO: {
+
+ TrackCacheAudio *t = static_cast<TrackCacheAudio *>(track);
+
+ if (seeked) {
+ //find whathever should be playing
+ int idx = a->track_find_key(i, time);
+ if (idx < 0)
+ continue;
+
+ Ref<AudioStream> stream = a->audio_track_get_key_stream(i, idx);
+ if (!stream.is_valid()) {
+ t->object->call("stop");
+ t->playing = false;
+ playing_caches.erase(t);
+ } else {
+ float start_ofs = a->audio_track_get_key_start_offset(i, idx);
+ start_ofs += time - a->track_get_key_time(i, idx);
+ float end_ofs = a->audio_track_get_key_end_offset(i, idx);
+ float len = stream->get_length();
+
+ if (start_ofs > len - end_ofs) {
+ t->object->call("stop");
+ t->playing = false;
+ playing_caches.erase(t);
+ continue;
+ }
+
+ t->object->call("set_stream", stream);
+ t->object->call("play", start_ofs);
+
+ t->playing = true;
+ playing_caches.insert(t);
+ if (len && end_ofs > 0) { //force a end at a time
+ t->len = len - start_ofs - end_ofs;
+ } else {
+ t->len = 0;
+ }
+
+ t->start = time;
+ }
+
+ } else {
+ //find stuff to play
+ List<int> to_play;
+ a->track_get_key_indices_in_range(i, time, delta, &to_play);
+ if (to_play.size()) {
+ int idx = to_play.back()->get();
+
+ Ref<AudioStream> stream = a->audio_track_get_key_stream(i, idx);
+ if (!stream.is_valid()) {
+ t->object->call("stop");
+ t->playing = false;
+ playing_caches.erase(t);
+ } else {
+ float start_ofs = a->audio_track_get_key_start_offset(i, idx);
+ float end_ofs = a->audio_track_get_key_end_offset(i, idx);
+ float len = stream->get_length();
+
+ t->object->call("set_stream", stream);
+ t->object->call("play", start_ofs);
+
+ t->playing = true;
+ playing_caches.insert(t);
+ if (len && end_ofs > 0) { //force a end at a time
+ t->len = len - start_ofs - end_ofs;
+ } else {
+ t->len = 0;
+ }
+
+ t->start = time;
+ }
+ } else if (t->playing) {
+
+ bool loop = a->has_loop();
+
+ bool stop = false;
+
+ if (!loop && time < t->start) {
+ stop = true;
+ } else if (t->len > 0) {
+ float len = t->start > time ? (a->get_length() - t->start) + time : time - t->start;
+
+ if (len > t->len) {
+ stop=true;
+ }
+ }
+
+ if (stop) {
+ //time to stop
+ t->object->call("stop");
+ t->playing = false;
+ playing_caches.erase(t);
+ }
+ }
+ }
+
+ float db = Math::linear2db(MAX(blend,0.00001));
+ if (t->object->has_method("set_unit_db")) {
+ t->object->call("set_unit_db", db);
+ } else {
+ t->object->call("set_volume_db", db);
+ }
+ } break;
+ case Animation::TYPE_ANIMATION: {
+
+ TrackCacheAnimation *t = static_cast<TrackCacheAnimation *>(track);
+
+ AnimationPlayer *player = Object::cast_to<AnimationPlayer>(t->object);
+
+ if (!player)
+ continue;
+
+ if (delta == 0 || seeked) {
+ //seek
+ int idx = a->track_find_key(i, time);
+ if (idx < 0)
+ continue;
+
+ float pos = a->track_get_key_time(i, idx);
+
+ StringName anim_name = a->animation_track_get_key_animation(i, idx);
+ if (String(anim_name) == "[stop]" || !player->has_animation(anim_name))
+ continue;
+
+ Ref<Animation> anim = player->get_animation(anim_name);
+
+ float at_anim_pos;
+
+ if (anim->has_loop()) {
+ at_anim_pos = Math::fposmod(time - pos, anim->get_length()); //seek to loop
+ } else {
+ at_anim_pos = MAX(anim->get_length(), time - pos); //seek to end
+ }
+
+ if (player->is_playing() || seeked) {
+ player->play(anim_name);
+ player->seek(at_anim_pos);
+ t->playing = true;
+ playing_caches.insert(t);
+ } else {
+ player->set_assigned_animation(anim_name);
+ player->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);
+ 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]" || !player->has_animation(anim_name)) {
+
+ if (playing_caches.has(t)) {
+ playing_caches.erase(t);
+ player->stop();
+ t->playing = false;
+ }
+ } else {
+ player->play(anim_name);
+ t->playing = true;
+ playing_caches.insert(t);
+ }
+ }
+ }
+
+ } break;
+ }
+ }
+ }
+ }
+
+ {
+ // finally, set the tracks
+ const NodePath *K = NULL;
+ while ((K = track_cache.next(K))) {
+ TrackCache *track = track_cache[*K];
+ if (track->process_pass != process_pass)
+ continue; //not processed, ignore
+
+ switch (track->type) {
+
+ case Animation::TYPE_TRANSFORM: {
+
+ TrackCacheTransform *t = static_cast<TrackCacheTransform *>(track);
+
+ Transform xform;
+ xform.origin = t->loc;
+
+ t->scale += Vector3(1.0, 1.0, 1.0); //helps make it work properly with Add nodes and root motion
+
+ xform.basis.set_quat_scale(t->rot, t->scale);
+
+ if (t->root_motion) {
+
+ root_motion_transform = xform;
+
+ if (t->skeleton && t->bone_idx >= 0) {
+ root_motion_transform = (t->skeleton->get_bone_rest(t->bone_idx) * root_motion_transform) * t->skeleton->get_bone_rest(t->bone_idx).affine_inverse();
+ }
+ } else if (t->skeleton && t->bone_idx >= 0) {
+
+ t->skeleton->set_bone_pose(t->bone_idx, xform);
+
+ } else {
+
+ t->spatial->set_transform(xform);
+ }
+
+ } break;
+ case Animation::TYPE_VALUE: {
+
+ TrackCacheValue *t = static_cast<TrackCacheValue *>(track);
+
+ 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;
+ default: {} //the rest dont matter
+ }
+ }
+ }
+}
+
+void AnimationTree::_notification(int p_what) {
+
+ if (active && p_what == NOTIFICATION_INTERNAL_PHYSICS_PROCESS && process_mode == ANIMATION_PROCESS_PHYSICS) {
+ _process_graph(get_physics_process_delta_time());
+ }
+
+ if (active && p_what == NOTIFICATION_INTERNAL_PROCESS && process_mode == ANIMATION_PROCESS_IDLE) {
+ _process_graph(get_process_delta_time());
+ }
+
+ if (p_what == NOTIFICATION_EXIT_TREE) {
+ _clear_caches();
+ }
+}
+
+void AnimationTree::set_animation_player(const NodePath &p_player) {
+ animation_player = p_player;
+ update_configuration_warning();
+}
+
+NodePath AnimationTree::get_animation_player() const {
+ return animation_player;
+}
+
+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;
+}
+
+String AnimationTree::get_configuration_warning() const {
+
+ String warning = Node::get_configuration_warning();
+
+ if (!root.is_valid()) {
+ if (warning != String()) {
+ warning += "\n";
+ }
+ warning += TTR("A root AnimationNode for the graph is not set.");
+ }
+
+ if (!has_node(animation_player)) {
+
+ if (warning != String()) {
+ warning += "\n";
+ }
+
+ warning += TTR("Path to an AnimationPlayer node containing animations is not set.");
+ return warning;
+ }
+
+ AnimationPlayer *player = Object::cast_to<AnimationPlayer>(get_node(animation_player));
+
+ if (!player) {
+ if (warning != String()) {
+ warning += "\n";
+ }
+
+ warning += TTR("Path set for AnimationPlayer does not lead to an AnimationPlayer node.");
+ return warning;
+ }
+
+ if (!player->has_node(player->get_root())) {
+ if (warning != String()) {
+ warning += "\n";
+ }
+
+ warning += TTR("AnimationPlayer root is not a valid node.");
+ return warning;
+ }
+
+ return warning;
+}
+
+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;
+}
+
+Transform AnimationTree::get_root_motion_transform() const {
+ return root_motion_transform;
+}
+
+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_mode", "mode"), &AnimationTree::set_process_mode);
+ ClassDB::bind_method(D_METHOD("get_process_mode"), &AnimationTree::get_process_mode);
+
+ 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_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("get_root_motion_transform"), &AnimationTree::get_root_motion_transform);
+
+
+
+ ClassDB::bind_method(D_METHOD("_node_removed"), &AnimationTree::_node_removed);
+
+ ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "tree_root", PROPERTY_HINT_RESOURCE_TYPE, "AnimationRootNode", PROPERTY_USAGE_DEFAULT | PROPERTY_USAGE_DO_NOT_SHARE_ON_DUPLICATE), "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"), "set_process_mode", "get_process_mode");
+ ADD_GROUP("Root Motion", "root_motion_");
+ ADD_PROPERTY(PropertyInfo(Variant::NODE_PATH, "root_motion_track"), "set_root_motion_track", "get_root_motion_track");
+}
+
+AnimationTree::AnimationTree() {
+
+ process_mode = ANIMATION_PROCESS_IDLE;
+ active = false;
+ cache_valid = false;
+ setup_pass = 1;
+ started = true;
+}
+
+AnimationTree::~AnimationTree() {
+ if (root.is_valid()) {
+ root->player = NULL;
+ }
+}