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virtualx-engine/scene/animation/animation_graph_player.cpp

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#include "animation_graph_player.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_graph_player(), 0); //should not happen, but used to catch bugs
Ref<AnimationNodeBlendTree> tree = get_parent();
if (!tree.is_valid() && get_graph_player()->get_graph_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_graph_player())
return 0;
if (get_graph_player()->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 {
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(AnimationNode *p_parent) {
parent = p_parent; //do not use ref because parent contains children
}
Ref<AnimationNode> AnimationNode::get_parent() const {
if (parent) {
return Ref<AnimationNode>(parent);
}
return Ref<AnimationNode>();
}
AnimationGraphPlayer *AnimationNode::get_graph_player() 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_graph_player(AnimationGraphPlayer *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));
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")));
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 AnimationGraphPlayer::set_graph_root(const Ref<AnimationNode> &p_root) {
if (root.is_valid()) {
root->set_graph_player(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_graph_player(this);
}
update_configuration_warning();
}
Ref<AnimationNode> AnimationGraphPlayer::get_graph_root() const {
return root;
}
void AnimationGraphPlayer::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 AnimationGraphPlayer::is_active() const {
return active;
}
void AnimationGraphPlayer::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);
}
}
AnimationGraphPlayer::AnimationProcessMode AnimationGraphPlayer::get_process_mode() const {
return process_mode;
}
void AnimationGraphPlayer::_node_removed(Node *p_node) {
cache_valid = false;
}
bool AnimationGraphPlayer::_update_caches(AnimationPlayer *player) {
setup_pass++;
if (!player->has_node(player->get_root())) {
ERR_PRINT("AnimationGraphPlayer: 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("AnimationGraphPlayer: '" + 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("AnimationGraphPlayer: '" + 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 AnimationGraphPlayer::_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 AnimationGraphPlayer::_process_graph(float p_delta) {
//check all tracks, see if they need modification
if (!root.is_valid()) {
ERR_PRINT("AnimationGraphPlayer: root AnimationNode is not set, disabling playback.");
set_active(false);
cache_valid = false;
return;
}
if (!has_node(animation_player)) {
ERR_PRINT("AnimationGraphPlayer: 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("AnimationGraphPlayer: 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
}
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);
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;
if (t->process_pass != process_pass) {
t->process_pass = process_pass;
t->loc = Vector3();
t->rot = Quat();
t->scale = Vector3();
}
t->loc = t->loc.linear_interpolate(loc, blend);
t->rot = t->rot.slerp(rot, blend);
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) {
if (t->start > time || (t->len > 0 && time - t->start < t->len)) {
//time to stop
t->object->call("stop");
t->playing = false;
playing_caches.erase(t);
}
}
}
} 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
xform.basis.set_quat_scale(t->rot, t->scale);
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 AnimationGraphPlayer::_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 AnimationGraphPlayer::set_animation_player(const NodePath &p_player) {
animation_player = p_player;
update_configuration_warning();
}
NodePath AnimationGraphPlayer::get_animation_player() const {
return animation_player;
}
bool AnimationGraphPlayer::is_state_invalid() const {
return !state.valid;
}
String AnimationGraphPlayer::get_invalid_state_reason() const {
return state.invalid_reasons;
}
uint64_t AnimationGraphPlayer::get_last_process_pass() const {
return process_pass;
}
String AnimationGraphPlayer::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 AnimationGraphPlayer::_bind_methods() {
ClassDB::bind_method(D_METHOD("set_active", "active"), &AnimationGraphPlayer::set_active);
ClassDB::bind_method(D_METHOD("is_active"), &AnimationGraphPlayer::is_active);
ClassDB::bind_method(D_METHOD("set_graph_root", "root"), &AnimationGraphPlayer::set_graph_root);
ClassDB::bind_method(D_METHOD("get_graph_root"), &AnimationGraphPlayer::get_graph_root);
ClassDB::bind_method(D_METHOD("set_process_mode", "mode"), &AnimationGraphPlayer::set_process_mode);
ClassDB::bind_method(D_METHOD("get_process_mode"), &AnimationGraphPlayer::get_process_mode);
ClassDB::bind_method(D_METHOD("set_animation_player", "root"), &AnimationGraphPlayer::set_animation_player);
ClassDB::bind_method(D_METHOD("get_animation_player"), &AnimationGraphPlayer::get_animation_player);
ClassDB::bind_method(D_METHOD("_node_removed"), &AnimationGraphPlayer::_node_removed);
ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "graph_root", PROPERTY_HINT_RESOURCE_TYPE, "AnimationRootNode", PROPERTY_USAGE_DEFAULT | PROPERTY_USAGE_DO_NOT_SHARE_ON_DUPLICATE), "set_graph_root", "get_graph_root");
ADD_PROPERTY(PropertyInfo(Variant::NODE_PATH, "anim_player"), "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");
}
AnimationGraphPlayer::AnimationGraphPlayer() {
process_mode = ANIMATION_PROCESS_IDLE;
active = false;
cache_valid = false;
setup_pass = 1;
started = true;
}
AnimationGraphPlayer::~AnimationGraphPlayer() {
if (root.is_valid()) {
root->player = NULL;
}
}
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