godot/scene/animation/animation_blend_tree.cpp

1315 lines
44 KiB
C++

/**************************************************************************/
/* animation_blend_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_blend_tree.h"
#include "scene/resources/animation.h"
#include "scene/scene_string_names.h"
void AnimationNodeAnimation::set_animation(const StringName &p_name) {
animation = p_name;
}
StringName AnimationNodeAnimation::get_animation() const {
return animation;
}
Vector<String> (*AnimationNodeAnimation::get_editable_animation_list)() = nullptr;
void AnimationNodeAnimation::get_parameter_list(List<PropertyInfo> *r_list) const {
r_list->push_back(PropertyInfo(Variant::FLOAT, time, PROPERTY_HINT_NONE, "", PROPERTY_USAGE_NONE));
}
void AnimationNodeAnimation::_validate_property(PropertyInfo &p_property) const {
if (p_property.name == "animation" && get_editable_animation_list) {
Vector<String> names = get_editable_animation_list();
String anims;
for (int i = 0; i < names.size(); i++) {
if (i > 0) {
anims += ",";
}
anims += String(names[i]);
}
if (!anims.is_empty()) {
p_property.hint = PROPERTY_HINT_ENUM;
p_property.hint_string = anims;
}
}
}
double AnimationNodeAnimation::process(double p_time, bool p_seek, bool p_is_external_seeking) {
AnimationPlayer *ap = state->player;
ERR_FAIL_COND_V(!ap, 0);
double cur_time = get_parameter(time);
if (!ap->has_animation(animation)) {
AnimationNodeBlendTree *tree = Object::cast_to<AnimationNodeBlendTree>(parent);
if (tree) {
String node_name = tree->get_node_name(Ref<AnimationNodeAnimation>(this));
make_invalid(vformat(RTR("On BlendTree node '%s', animation not found: '%s'"), node_name, animation));
} else {
make_invalid(vformat(RTR("Animation not found: '%s'"), animation));
}
return 0;
}
Ref<Animation> anim = ap->get_animation(animation);
double anim_size = (double)anim->get_length();
double step = 0.0;
double prev_time = cur_time;
Animation::LoopedFlag looped_flag = Animation::LOOPED_FLAG_NONE;
bool node_backward = play_mode == PLAY_MODE_BACKWARD;
if (p_seek) {
step = p_time - cur_time;
cur_time = p_time;
} else {
p_time *= backward ? -1.0 : 1.0;
cur_time = cur_time + p_time;
step = p_time;
}
if (anim->get_loop_mode() == Animation::LOOP_PINGPONG) {
if (!Math::is_zero_approx(anim_size)) {
if (prev_time >= 0 && cur_time < 0) {
backward = !backward;
looped_flag = node_backward ? Animation::LOOPED_FLAG_END : Animation::LOOPED_FLAG_START;
}
if (prev_time <= anim_size && cur_time > anim_size) {
backward = !backward;
looped_flag = node_backward ? Animation::LOOPED_FLAG_START : Animation::LOOPED_FLAG_END;
}
cur_time = Math::pingpong(cur_time, anim_size);
}
} else if (anim->get_loop_mode() == Animation::LOOP_LINEAR) {
if (!Math::is_zero_approx(anim_size)) {
if (prev_time >= 0 && cur_time < 0) {
looped_flag = node_backward ? Animation::LOOPED_FLAG_END : Animation::LOOPED_FLAG_START;
}
if (prev_time <= anim_size && cur_time > anim_size) {
looped_flag = node_backward ? Animation::LOOPED_FLAG_START : Animation::LOOPED_FLAG_END;
}
cur_time = Math::fposmod(cur_time, anim_size);
}
backward = false;
} else {
if (cur_time < 0) {
step += cur_time;
cur_time = 0;
} else if (cur_time > anim_size) {
step += anim_size - cur_time;
cur_time = anim_size;
}
backward = false;
// If ended, don't progress animation. So set delta to 0.
if (p_time > 0) {
if (play_mode == PLAY_MODE_FORWARD) {
if (prev_time >= anim_size) {
step = 0;
}
} else {
if (prev_time <= 0) {
step = 0;
}
}
}
// Emit start & finish signal. Internally, the detections are the same for backward.
// We should use call_deferred since the track keys are still being prosessed.
if (state->tree) {
// AnimationTree uses seek to 0 "internally" to process the first key of the animation, which is used as the start detection.
if (p_seek && !p_is_external_seeking && cur_time == 0) {
state->tree->call_deferred(SNAME("emit_signal"), "animation_started", animation);
}
// Finished.
if (prev_time < anim_size && cur_time >= anim_size) {
state->tree->call_deferred(SNAME("emit_signal"), "animation_finished", animation);
}
}
}
if (play_mode == PLAY_MODE_FORWARD) {
blend_animation(animation, cur_time, step, p_seek, p_is_external_seeking, 1.0, looped_flag);
} else {
blend_animation(animation, anim_size - cur_time, -step, p_seek, p_is_external_seeking, 1.0, looped_flag);
}
set_parameter(time, cur_time);
return anim_size - cur_time;
}
String AnimationNodeAnimation::get_caption() const {
return "Animation";
}
void AnimationNodeAnimation::set_play_mode(PlayMode p_play_mode) {
play_mode = p_play_mode;
}
AnimationNodeAnimation::PlayMode AnimationNodeAnimation::get_play_mode() const {
return play_mode;
}
void AnimationNodeAnimation::set_backward(bool p_backward) {
backward = p_backward;
}
bool AnimationNodeAnimation::is_backward() const {
return backward;
}
void AnimationNodeAnimation::_bind_methods() {
ClassDB::bind_method(D_METHOD("set_animation", "name"), &AnimationNodeAnimation::set_animation);
ClassDB::bind_method(D_METHOD("get_animation"), &AnimationNodeAnimation::get_animation);
ClassDB::bind_method(D_METHOD("set_play_mode", "mode"), &AnimationNodeAnimation::set_play_mode);
ClassDB::bind_method(D_METHOD("get_play_mode"), &AnimationNodeAnimation::get_play_mode);
ADD_PROPERTY(PropertyInfo(Variant::STRING_NAME, "animation"), "set_animation", "get_animation");
ADD_PROPERTY(PropertyInfo(Variant::INT, "play_mode", PROPERTY_HINT_ENUM, "Forward,Backward"), "set_play_mode", "get_play_mode");
BIND_ENUM_CONSTANT(PLAY_MODE_FORWARD);
BIND_ENUM_CONSTANT(PLAY_MODE_BACKWARD);
}
AnimationNodeAnimation::AnimationNodeAnimation() {
}
////////////////////////////////////////////////////////
void AnimationNodeSync::_bind_methods() {
ClassDB::bind_method(D_METHOD("set_use_sync", "enable"), &AnimationNodeSync::set_use_sync);
ClassDB::bind_method(D_METHOD("is_using_sync"), &AnimationNodeSync::is_using_sync);
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "sync"), "set_use_sync", "is_using_sync");
}
void AnimationNodeSync::set_use_sync(bool p_sync) {
sync = p_sync;
}
bool AnimationNodeSync::is_using_sync() const {
return sync;
}
AnimationNodeSync::AnimationNodeSync() {
}
////////////////////////////////////////////////////////
void AnimationNodeOneShot::get_parameter_list(List<PropertyInfo> *r_list) const {
r_list->push_back(PropertyInfo(Variant::BOOL, active, PROPERTY_HINT_NONE, "", PROPERTY_USAGE_EDITOR | PROPERTY_USAGE_STORAGE | PROPERTY_USAGE_READ_ONLY));
r_list->push_back(PropertyInfo(Variant::INT, request, PROPERTY_HINT_ENUM, ",Fire,Abort"));
r_list->push_back(PropertyInfo(Variant::FLOAT, time, PROPERTY_HINT_NONE, "", PROPERTY_USAGE_NONE));
r_list->push_back(PropertyInfo(Variant::FLOAT, remaining, PROPERTY_HINT_NONE, "", PROPERTY_USAGE_NONE));
r_list->push_back(PropertyInfo(Variant::FLOAT, time_to_restart, PROPERTY_HINT_NONE, "", PROPERTY_USAGE_NONE));
}
Variant AnimationNodeOneShot::get_parameter_default_value(const StringName &p_parameter) const {
if (p_parameter == request) {
return ONE_SHOT_REQUEST_NONE;
} else if (p_parameter == active) {
return false;
} else if (p_parameter == time_to_restart) {
return -1;
} else {
return 0.0;
}
}
bool AnimationNodeOneShot::is_parameter_read_only(const StringName &p_parameter) const {
if (p_parameter == active) {
return true;
}
return false;
}
void AnimationNodeOneShot::set_fadein_time(double p_time) {
fade_in = p_time;
}
void AnimationNodeOneShot::set_fadeout_time(double p_time) {
fade_out = p_time;
}
double AnimationNodeOneShot::get_fadein_time() const {
return fade_in;
}
double AnimationNodeOneShot::get_fadeout_time() const {
return fade_out;
}
void AnimationNodeOneShot::set_autorestart(bool p_active) {
autorestart = p_active;
}
void AnimationNodeOneShot::set_autorestart_delay(double p_time) {
autorestart_delay = p_time;
}
void AnimationNodeOneShot::set_autorestart_random_delay(double p_time) {
autorestart_random_delay = p_time;
}
bool AnimationNodeOneShot::has_autorestart() const {
return autorestart;
}
double AnimationNodeOneShot::get_autorestart_delay() const {
return autorestart_delay;
}
double AnimationNodeOneShot::get_autorestart_random_delay() const {
return autorestart_random_delay;
}
void AnimationNodeOneShot::set_mix_mode(MixMode p_mix) {
mix = p_mix;
}
AnimationNodeOneShot::MixMode AnimationNodeOneShot::get_mix_mode() const {
return mix;
}
String AnimationNodeOneShot::get_caption() const {
return "OneShot";
}
bool AnimationNodeOneShot::has_filter() const {
return true;
}
double AnimationNodeOneShot::process(double p_time, bool p_seek, bool p_is_external_seeking) {
OneShotRequest cur_request = static_cast<OneShotRequest>((int)get_parameter(request));
bool cur_active = get_parameter(active);
double cur_time = get_parameter(time);
double cur_remaining = get_parameter(remaining);
double cur_time_to_restart = get_parameter(time_to_restart);
set_parameter(request, ONE_SHOT_REQUEST_NONE);
bool do_start = cur_request == ONE_SHOT_REQUEST_FIRE;
if (cur_request == ONE_SHOT_REQUEST_ABORT) {
set_parameter(active, false);
set_parameter(time_to_restart, -1);
return blend_input(0, p_time, p_seek, p_is_external_seeking, 1.0, FILTER_IGNORE, sync);
} else if (!do_start && !cur_active) {
if (cur_time_to_restart >= 0.0 && !p_seek) {
cur_time_to_restart -= p_time;
if (cur_time_to_restart < 0) {
do_start = true; // Restart.
}
set_parameter(time_to_restart, cur_time_to_restart);
}
if (!do_start) {
return blend_input(0, p_time, p_seek, p_is_external_seeking, 1.0, FILTER_IGNORE, sync);
}
}
bool os_seek = p_seek;
if (p_seek) {
cur_time = p_time;
}
if (do_start) {
cur_time = 0;
os_seek = true;
set_parameter(request, ONE_SHOT_REQUEST_NONE);
set_parameter(active, true);
}
real_t blend;
if (cur_time < fade_in) {
if (fade_in > 0) {
blend = cur_time / fade_in;
} else {
blend = 0;
}
} else if (!do_start && cur_remaining <= fade_out) {
if (fade_out > 0) {
blend = (cur_remaining / fade_out);
} else {
blend = 0;
}
} else {
blend = 1.0;
}
double main_rem;
if (mix == MIX_MODE_ADD) {
main_rem = blend_input(0, p_time, p_seek, p_is_external_seeking, 1.0, FILTER_IGNORE, sync);
} else {
main_rem = blend_input(0, p_time, p_seek, p_is_external_seeking, 1.0 - blend, FILTER_BLEND, sync); // Unlike below, processing this edge is a corner case.
}
double os_rem = blend_input(1, os_seek ? cur_time : p_time, os_seek, p_is_external_seeking, Math::is_zero_approx(blend) ? CMP_EPSILON : blend, FILTER_PASS, true); // Blend values must be more than CMP_EPSILON to process discrete keys in edge.
if (do_start) {
cur_remaining = os_rem;
}
if (!p_seek) {
cur_time += p_time;
cur_remaining = os_rem;
if (cur_remaining <= 0) {
set_parameter(active, false);
if (autorestart) {
double restart_sec = autorestart_delay + Math::randd() * autorestart_random_delay;
set_parameter(time_to_restart, restart_sec);
}
}
}
set_parameter(time, cur_time);
set_parameter(remaining, cur_remaining);
return MAX(main_rem, cur_remaining);
}
void AnimationNodeOneShot::_bind_methods() {
ClassDB::bind_method(D_METHOD("set_fadein_time", "time"), &AnimationNodeOneShot::set_fadein_time);
ClassDB::bind_method(D_METHOD("get_fadein_time"), &AnimationNodeOneShot::get_fadein_time);
ClassDB::bind_method(D_METHOD("set_fadeout_time", "time"), &AnimationNodeOneShot::set_fadeout_time);
ClassDB::bind_method(D_METHOD("get_fadeout_time"), &AnimationNodeOneShot::get_fadeout_time);
ClassDB::bind_method(D_METHOD("set_autorestart", "enable"), &AnimationNodeOneShot::set_autorestart);
ClassDB::bind_method(D_METHOD("has_autorestart"), &AnimationNodeOneShot::has_autorestart);
ClassDB::bind_method(D_METHOD("set_autorestart_delay", "enable"), &AnimationNodeOneShot::set_autorestart_delay);
ClassDB::bind_method(D_METHOD("get_autorestart_delay"), &AnimationNodeOneShot::get_autorestart_delay);
ClassDB::bind_method(D_METHOD("set_autorestart_random_delay", "enable"), &AnimationNodeOneShot::set_autorestart_random_delay);
ClassDB::bind_method(D_METHOD("get_autorestart_random_delay"), &AnimationNodeOneShot::get_autorestart_random_delay);
ClassDB::bind_method(D_METHOD("set_mix_mode", "mode"), &AnimationNodeOneShot::set_mix_mode);
ClassDB::bind_method(D_METHOD("get_mix_mode"), &AnimationNodeOneShot::get_mix_mode);
ADD_PROPERTY(PropertyInfo(Variant::INT, "mix_mode", PROPERTY_HINT_ENUM, "Blend,Add"), "set_mix_mode", "get_mix_mode");
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "fadein_time", PROPERTY_HINT_RANGE, "0,60,0.01,or_greater,suffix:s"), "set_fadein_time", "get_fadein_time");
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "fadeout_time", PROPERTY_HINT_RANGE, "0,60,0.01,or_greater,suffix:s"), "set_fadeout_time", "get_fadeout_time");
ADD_GROUP("Auto Restart", "autorestart_");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "autorestart"), "set_autorestart", "has_autorestart");
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "autorestart_delay", PROPERTY_HINT_RANGE, "0,60,0.01,or_greater,suffix:s"), "set_autorestart_delay", "get_autorestart_delay");
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "autorestart_random_delay", PROPERTY_HINT_RANGE, "0,60,0.01,or_greater,suffix:s"), "set_autorestart_random_delay", "get_autorestart_random_delay");
BIND_ENUM_CONSTANT(ONE_SHOT_REQUEST_NONE);
BIND_ENUM_CONSTANT(ONE_SHOT_REQUEST_FIRE);
BIND_ENUM_CONSTANT(ONE_SHOT_REQUEST_ABORT);
BIND_ENUM_CONSTANT(MIX_MODE_BLEND);
BIND_ENUM_CONSTANT(MIX_MODE_ADD);
}
AnimationNodeOneShot::AnimationNodeOneShot() {
add_input("in");
add_input("shot");
}
////////////////////////////////////////////////
void AnimationNodeAdd2::get_parameter_list(List<PropertyInfo> *r_list) const {
r_list->push_back(PropertyInfo(Variant::FLOAT, add_amount, PROPERTY_HINT_RANGE, "0,1,0.01"));
}
Variant AnimationNodeAdd2::get_parameter_default_value(const StringName &p_parameter) const {
return 0;
}
String AnimationNodeAdd2::get_caption() const {
return "Add2";
}
bool AnimationNodeAdd2::has_filter() const {
return true;
}
double AnimationNodeAdd2::process(double p_time, bool p_seek, bool p_is_external_seeking) {
double amount = get_parameter(add_amount);
double rem0 = blend_input(0, p_time, p_seek, p_is_external_seeking, 1.0, FILTER_IGNORE, sync);
blend_input(1, p_time, p_seek, p_is_external_seeking, amount, FILTER_PASS, sync);
return rem0;
}
void AnimationNodeAdd2::_bind_methods() {
}
AnimationNodeAdd2::AnimationNodeAdd2() {
add_input("in");
add_input("add");
}
////////////////////////////////////////////////
void AnimationNodeAdd3::get_parameter_list(List<PropertyInfo> *r_list) const {
r_list->push_back(PropertyInfo(Variant::FLOAT, add_amount, PROPERTY_HINT_RANGE, "-1,1,0.01"));
}
Variant AnimationNodeAdd3::get_parameter_default_value(const StringName &p_parameter) const {
return 0;
}
String AnimationNodeAdd3::get_caption() const {
return "Add3";
}
bool AnimationNodeAdd3::has_filter() const {
return true;
}
double AnimationNodeAdd3::process(double p_time, bool p_seek, bool p_is_external_seeking) {
double amount = get_parameter(add_amount);
blend_input(0, p_time, p_seek, p_is_external_seeking, MAX(0, -amount), FILTER_PASS, sync);
double rem0 = blend_input(1, p_time, p_seek, p_is_external_seeking, 1.0, FILTER_IGNORE, sync);
blend_input(2, p_time, p_seek, p_is_external_seeking, MAX(0, amount), FILTER_PASS, sync);
return rem0;
}
void AnimationNodeAdd3::_bind_methods() {
}
AnimationNodeAdd3::AnimationNodeAdd3() {
add_input("-add");
add_input("in");
add_input("+add");
}
/////////////////////////////////////////////
void AnimationNodeBlend2::get_parameter_list(List<PropertyInfo> *r_list) const {
r_list->push_back(PropertyInfo(Variant::FLOAT, blend_amount, PROPERTY_HINT_RANGE, "0,1,0.01"));
}
Variant AnimationNodeBlend2::get_parameter_default_value(const StringName &p_parameter) const {
return 0; //for blend amount
}
String AnimationNodeBlend2::get_caption() const {
return "Blend2";
}
double AnimationNodeBlend2::process(double p_time, bool p_seek, bool p_is_external_seeking) {
double amount = get_parameter(blend_amount);
double rem0 = blend_input(0, p_time, p_seek, p_is_external_seeking, 1.0 - amount, FILTER_BLEND, sync);
double rem1 = blend_input(1, p_time, p_seek, p_is_external_seeking, amount, FILTER_PASS, sync);
return amount > 0.5 ? rem1 : rem0; //hacky but good enough
}
bool AnimationNodeBlend2::has_filter() const {
return true;
}
void AnimationNodeBlend2::_bind_methods() {
}
AnimationNodeBlend2::AnimationNodeBlend2() {
add_input("in");
add_input("blend");
}
//////////////////////////////////////
void AnimationNodeBlend3::get_parameter_list(List<PropertyInfo> *r_list) const {
r_list->push_back(PropertyInfo(Variant::FLOAT, blend_amount, PROPERTY_HINT_RANGE, "-1,1,0.01"));
}
Variant AnimationNodeBlend3::get_parameter_default_value(const StringName &p_parameter) const {
return 0; //for blend amount
}
String AnimationNodeBlend3::get_caption() const {
return "Blend3";
}
double AnimationNodeBlend3::process(double p_time, bool p_seek, bool p_is_external_seeking) {
double amount = get_parameter(blend_amount);
double rem0 = blend_input(0, p_time, p_seek, p_is_external_seeking, MAX(0, -amount), FILTER_IGNORE, sync);
double rem1 = blend_input(1, p_time, p_seek, p_is_external_seeking, 1.0 - ABS(amount), FILTER_IGNORE, sync);
double rem2 = blend_input(2, p_time, p_seek, p_is_external_seeking, MAX(0, amount), FILTER_IGNORE, sync);
return amount > 0.5 ? rem2 : (amount < -0.5 ? rem0 : rem1); //hacky but good enough
}
void AnimationNodeBlend3::_bind_methods() {
}
AnimationNodeBlend3::AnimationNodeBlend3() {
add_input("-blend");
add_input("in");
add_input("+blend");
}
/////////////////////////////////
void AnimationNodeTimeScale::get_parameter_list(List<PropertyInfo> *r_list) const {
r_list->push_back(PropertyInfo(Variant::FLOAT, scale, PROPERTY_HINT_RANGE, "-32,32,0.01,or_less,or_greater"));
}
Variant AnimationNodeTimeScale::get_parameter_default_value(const StringName &p_parameter) const {
return 1.0; //initial timescale
}
String AnimationNodeTimeScale::get_caption() const {
return "TimeScale";
}
double AnimationNodeTimeScale::process(double p_time, bool p_seek, bool p_is_external_seeking) {
double cur_scale = get_parameter(scale);
if (p_seek) {
return blend_input(0, p_time, true, p_is_external_seeking, 1.0, FILTER_IGNORE, true);
} else {
return blend_input(0, p_time * cur_scale, false, p_is_external_seeking, 1.0, FILTER_IGNORE, true);
}
}
void AnimationNodeTimeScale::_bind_methods() {
}
AnimationNodeTimeScale::AnimationNodeTimeScale() {
add_input("in");
}
////////////////////////////////////
void AnimationNodeTimeSeek::get_parameter_list(List<PropertyInfo> *r_list) const {
r_list->push_back(PropertyInfo(Variant::FLOAT, seek_pos, PROPERTY_HINT_RANGE, "-1,3600,0.01,or_greater"));
}
Variant AnimationNodeTimeSeek::get_parameter_default_value(const StringName &p_parameter) const {
return 1.0; //initial timescale
}
String AnimationNodeTimeSeek::get_caption() const {
return "Seek";
}
double AnimationNodeTimeSeek::process(double p_time, bool p_seek, bool p_is_external_seeking) {
double cur_seek_pos = get_parameter(seek_pos);
if (p_seek) {
return blend_input(0, p_time, true, p_is_external_seeking, 1.0, FILTER_IGNORE, true);
} else if (cur_seek_pos >= 0) {
double ret = blend_input(0, cur_seek_pos, true, true, 1.0, FILTER_IGNORE, true);
set_parameter(seek_pos, -1.0); //reset
return ret;
} else {
return blend_input(0, p_time, false, p_is_external_seeking, 1.0, FILTER_IGNORE, true);
}
}
void AnimationNodeTimeSeek::_bind_methods() {
}
AnimationNodeTimeSeek::AnimationNodeTimeSeek() {
add_input("in");
}
/////////////////////////////////////////////////
void AnimationNodeTransition::get_parameter_list(List<PropertyInfo> *r_list) const {
String anims;
for (int i = 0; i < enabled_inputs; i++) {
if (i > 0) {
anims += ",";
}
anims += inputs[i].name;
}
r_list->push_back(PropertyInfo(Variant::STRING, current_state, PROPERTY_HINT_NONE, "", PROPERTY_USAGE_DEFAULT | PROPERTY_USAGE_READ_ONLY)); // For interface.
r_list->push_back(PropertyInfo(Variant::STRING, transition_request, PROPERTY_HINT_ENUM, anims)); // For transition request. It will be cleared after setting the value immediately.
r_list->push_back(PropertyInfo(Variant::INT, current_index, PROPERTY_HINT_NONE, "", PROPERTY_USAGE_STORAGE | PROPERTY_USAGE_READ_ONLY)); // To avoid finding the index every frame, use this internally.
r_list->push_back(PropertyInfo(Variant::INT, prev_index, PROPERTY_HINT_NONE, "", PROPERTY_USAGE_NONE));
r_list->push_back(PropertyInfo(Variant::FLOAT, time, PROPERTY_HINT_NONE, "", PROPERTY_USAGE_NONE));
r_list->push_back(PropertyInfo(Variant::FLOAT, prev_xfading, PROPERTY_HINT_NONE, "", PROPERTY_USAGE_NONE));
}
Variant AnimationNodeTransition::get_parameter_default_value(const StringName &p_parameter) const {
if (p_parameter == time || p_parameter == prev_xfading) {
return 0.0;
} else if (p_parameter == prev_index) {
return -1;
} else if (p_parameter == transition_request || p_parameter == current_state) {
return String();
} else {
return 0;
}
}
bool AnimationNodeTransition::is_parameter_read_only(const StringName &p_parameter) const {
if (p_parameter == current_state || p_parameter == current_index) {
return true;
}
return false;
}
String AnimationNodeTransition::get_caption() const {
return "Transition";
}
void AnimationNodeTransition::_update_inputs() {
while (get_input_count() < enabled_inputs) {
add_input(inputs[get_input_count()].name);
}
while (get_input_count() > enabled_inputs) {
remove_input(get_input_count() - 1);
}
}
void AnimationNodeTransition::set_enabled_inputs(int p_inputs) {
ERR_FAIL_INDEX(p_inputs, MAX_INPUTS);
enabled_inputs = p_inputs;
_update_inputs();
}
int AnimationNodeTransition::get_enabled_inputs() {
return enabled_inputs;
}
void AnimationNodeTransition::set_input_as_auto_advance(int p_input, bool p_enable) {
ERR_FAIL_INDEX(p_input, MAX_INPUTS);
inputs[p_input].auto_advance = p_enable;
}
bool AnimationNodeTransition::is_input_set_as_auto_advance(int p_input) const {
ERR_FAIL_INDEX_V(p_input, MAX_INPUTS, false);
return inputs[p_input].auto_advance;
}
void AnimationNodeTransition::set_input_caption(int p_input, const String &p_name) {
ERR_FAIL_INDEX(p_input, MAX_INPUTS);
inputs[p_input].name = p_name;
set_input_name(p_input, p_name);
}
String AnimationNodeTransition::get_input_caption(int p_input) const {
ERR_FAIL_INDEX_V(p_input, MAX_INPUTS, String());
return inputs[p_input].name;
}
int AnimationNodeTransition::find_input_caption(const String &p_name) const {
int idx = -1;
for (int i = 0; i < MAX_INPUTS; i++) {
if (inputs[i].name == p_name) {
idx = i;
break;
}
}
return idx;
}
void AnimationNodeTransition::set_xfade_time(double p_fade) {
xfade_time = p_fade;
}
double AnimationNodeTransition::get_xfade_time() const {
return xfade_time;
}
void AnimationNodeTransition::set_xfade_curve(const Ref<Curve> &p_curve) {
xfade_curve = p_curve;
}
Ref<Curve> AnimationNodeTransition::get_xfade_curve() const {
return xfade_curve;
}
void AnimationNodeTransition::set_reset(bool p_reset) {
reset = p_reset;
}
bool AnimationNodeTransition::is_reset() const {
return reset;
}
double AnimationNodeTransition::process(double p_time, bool p_seek, bool p_is_external_seeking) {
String cur_transition_request = get_parameter(transition_request);
int cur_current_index = get_parameter(current_index);
int cur_prev_index = get_parameter(prev_index);
double cur_time = get_parameter(time);
double cur_prev_xfading = get_parameter(prev_xfading);
bool switched = false;
bool restart = false;
if (!cur_transition_request.is_empty()) {
int new_idx = find_input_caption(cur_transition_request);
if (new_idx >= 0) {
if (cur_current_index == new_idx) {
// Transition to same state.
restart = reset;
cur_prev_xfading = 0;
set_parameter(prev_xfading, 0);
cur_prev_index = -1;
set_parameter(prev_index, -1);
} else {
switched = true;
cur_prev_index = cur_current_index;
set_parameter(prev_index, cur_current_index);
}
cur_current_index = new_idx;
set_parameter(current_index, cur_current_index);
set_parameter(current_state, cur_transition_request);
} else {
ERR_PRINT("No such input: '" + cur_transition_request + "'");
}
cur_transition_request = String();
set_parameter(transition_request, cur_transition_request);
}
// Special case for restart.
if (restart) {
set_parameter(time, 0);
return blend_input(cur_current_index, 0, true, p_is_external_seeking, 1.0, FILTER_IGNORE, true);
}
if (switched) {
cur_prev_xfading = xfade_time;
cur_time = 0;
}
if (cur_current_index < 0 || cur_current_index >= enabled_inputs || cur_prev_index >= enabled_inputs) {
return 0;
}
double rem = 0.0;
if (sync) {
for (int i = 0; i < enabled_inputs; i++) {
if (i != cur_current_index && i != cur_prev_index) {
blend_input(i, p_time, p_seek, p_is_external_seeking, 0, FILTER_IGNORE, true);
}
}
}
if (cur_prev_index < 0) { // process current animation, check for transition
rem = blend_input(cur_current_index, p_time, p_seek, p_is_external_seeking, 1.0, FILTER_IGNORE, true);
if (p_seek) {
cur_time = p_time;
} else {
cur_time += p_time;
}
if (inputs[cur_current_index].auto_advance && rem <= xfade_time) {
set_parameter(transition_request, get_input_caption((cur_current_index + 1) % enabled_inputs));
}
} else { // cross-fading from prev to current
real_t blend = xfade_time == 0 ? 0 : (cur_prev_xfading / xfade_time);
if (xfade_curve.is_valid()) {
blend = xfade_curve->sample(blend);
}
// Blend values must be more than CMP_EPSILON to process discrete keys in edge.
real_t blend_inv = 1.0 - blend;
if (reset && !p_seek && switched) { //just switched, seek to start of current
rem = blend_input(cur_current_index, 0, true, p_is_external_seeking, Math::is_zero_approx(blend_inv) ? CMP_EPSILON : blend_inv, FILTER_IGNORE, true);
} else {
rem = blend_input(cur_current_index, p_time, p_seek, p_is_external_seeking, Math::is_zero_approx(blend_inv) ? CMP_EPSILON : blend_inv, FILTER_IGNORE, true);
}
if (p_seek) {
blend_input(cur_prev_index, p_time, true, p_is_external_seeking, Math::is_zero_approx(blend) ? CMP_EPSILON : blend, FILTER_IGNORE, true);
cur_time = p_time;
} else {
blend_input(cur_prev_index, p_time, false, p_is_external_seeking, Math::is_zero_approx(blend) ? CMP_EPSILON : blend, FILTER_IGNORE, true);
cur_time += p_time;
cur_prev_xfading -= p_time;
if (cur_prev_xfading < 0) {
set_parameter(prev_index, -1);
}
}
}
set_parameter(time, cur_time);
set_parameter(prev_xfading, cur_prev_xfading);
return rem;
}
void AnimationNodeTransition::_validate_property(PropertyInfo &p_property) const {
if (p_property.name.begins_with("input_")) {
String n = p_property.name.get_slicec('/', 0).get_slicec('_', 1);
if (n != "count") {
int idx = n.to_int();
if (idx >= enabled_inputs) {
p_property.usage = PROPERTY_USAGE_NONE;
}
}
}
}
void AnimationNodeTransition::_bind_methods() {
ClassDB::bind_method(D_METHOD("set_enabled_inputs", "amount"), &AnimationNodeTransition::set_enabled_inputs);
ClassDB::bind_method(D_METHOD("get_enabled_inputs"), &AnimationNodeTransition::get_enabled_inputs);
ClassDB::bind_method(D_METHOD("set_input_as_auto_advance", "input", "enable"), &AnimationNodeTransition::set_input_as_auto_advance);
ClassDB::bind_method(D_METHOD("is_input_set_as_auto_advance", "input"), &AnimationNodeTransition::is_input_set_as_auto_advance);
ClassDB::bind_method(D_METHOD("set_input_caption", "input", "caption"), &AnimationNodeTransition::set_input_caption);
ClassDB::bind_method(D_METHOD("get_input_caption", "input"), &AnimationNodeTransition::get_input_caption);
ClassDB::bind_method(D_METHOD("find_input_caption", "caption"), &AnimationNodeTransition::find_input_caption);
ClassDB::bind_method(D_METHOD("set_xfade_time", "time"), &AnimationNodeTransition::set_xfade_time);
ClassDB::bind_method(D_METHOD("get_xfade_time"), &AnimationNodeTransition::get_xfade_time);
ClassDB::bind_method(D_METHOD("set_xfade_curve", "curve"), &AnimationNodeTransition::set_xfade_curve);
ClassDB::bind_method(D_METHOD("get_xfade_curve"), &AnimationNodeTransition::get_xfade_curve);
ClassDB::bind_method(D_METHOD("set_reset", "reset"), &AnimationNodeTransition::set_reset);
ClassDB::bind_method(D_METHOD("is_reset"), &AnimationNodeTransition::is_reset);
ADD_PROPERTY(PropertyInfo(Variant::INT, "enabled_inputs", PROPERTY_HINT_RANGE, "0,31,1", PROPERTY_USAGE_DEFAULT | PROPERTY_USAGE_UPDATE_ALL_IF_MODIFIED), "set_enabled_inputs", "get_enabled_inputs");
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "xfade_time", PROPERTY_HINT_RANGE, "0,120,0.01,suffix:s"), "set_xfade_time", "get_xfade_time");
ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "xfade_curve", PROPERTY_HINT_RESOURCE_TYPE, "Curve"), "set_xfade_curve", "get_xfade_curve");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "reset"), "set_reset", "is_reset");
for (int i = 0; i < MAX_INPUTS; i++) {
ADD_PROPERTYI(PropertyInfo(Variant::STRING, "input_" + itos(i) + "/name", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_DEFAULT | PROPERTY_USAGE_INTERNAL), "set_input_caption", "get_input_caption", i);
ADD_PROPERTYI(PropertyInfo(Variant::BOOL, "input_" + itos(i) + "/auto_advance", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_DEFAULT | PROPERTY_USAGE_INTERNAL), "set_input_as_auto_advance", "is_input_set_as_auto_advance", i);
}
}
AnimationNodeTransition::AnimationNodeTransition() {
for (int i = 0; i < MAX_INPUTS; i++) {
inputs[i].name = "state " + itos(i);
}
}
/////////////////////
String AnimationNodeOutput::get_caption() const {
return "Output";
}
double AnimationNodeOutput::process(double p_time, bool p_seek, bool p_is_external_seeking) {
return blend_input(0, p_time, p_seek, p_is_external_seeking, 1.0, FILTER_IGNORE, true);
}
AnimationNodeOutput::AnimationNodeOutput() {
add_input("output");
}
///////////////////////////////////////////////////////
void AnimationNodeBlendTree::add_node(const StringName &p_name, Ref<AnimationNode> p_node, const Vector2 &p_position) {
ERR_FAIL_COND(nodes.has(p_name));
ERR_FAIL_COND(p_node.is_null());
ERR_FAIL_COND(p_name == SceneStringNames::get_singleton()->output);
ERR_FAIL_COND(String(p_name).contains("/"));
Node n;
n.node = p_node;
n.position = p_position;
n.connections.resize(n.node->get_input_count());
nodes[p_name] = n;
emit_changed();
emit_signal(SNAME("tree_changed"));
p_node->connect("tree_changed", callable_mp(this, &AnimationNodeBlendTree::_tree_changed), CONNECT_REFERENCE_COUNTED);
p_node->connect("changed", callable_mp(this, &AnimationNodeBlendTree::_node_changed).bind(p_name), CONNECT_REFERENCE_COUNTED);
}
Ref<AnimationNode> AnimationNodeBlendTree::get_node(const StringName &p_name) const {
ERR_FAIL_COND_V(!nodes.has(p_name), Ref<AnimationNode>());
return nodes[p_name].node;
}
StringName AnimationNodeBlendTree::get_node_name(const Ref<AnimationNode> &p_node) const {
for (const KeyValue<StringName, Node> &E : nodes) {
if (E.value.node == p_node) {
return E.key;
}
}
ERR_FAIL_V(StringName());
}
void AnimationNodeBlendTree::set_node_position(const StringName &p_node, const Vector2 &p_position) {
ERR_FAIL_COND(!nodes.has(p_node));
nodes[p_node].position = p_position;
}
Vector2 AnimationNodeBlendTree::get_node_position(const StringName &p_node) const {
ERR_FAIL_COND_V(!nodes.has(p_node), Vector2());
return nodes[p_node].position;
}
void AnimationNodeBlendTree::get_child_nodes(List<ChildNode> *r_child_nodes) {
Vector<StringName> ns;
for (const KeyValue<StringName, Node> &E : nodes) {
ns.push_back(E.key);
}
ns.sort_custom<StringName::AlphCompare>();
for (int i = 0; i < ns.size(); i++) {
ChildNode cn;
cn.name = ns[i];
cn.node = nodes[cn.name].node;
r_child_nodes->push_back(cn);
}
}
bool AnimationNodeBlendTree::has_node(const StringName &p_name) const {
return nodes.has(p_name);
}
Vector<StringName> AnimationNodeBlendTree::get_node_connection_array(const StringName &p_name) const {
ERR_FAIL_COND_V(!nodes.has(p_name), Vector<StringName>());
return nodes[p_name].connections;
}
void AnimationNodeBlendTree::remove_node(const StringName &p_name) {
ERR_FAIL_COND(!nodes.has(p_name));
ERR_FAIL_COND(p_name == SceneStringNames::get_singleton()->output); //can't delete output
{
Ref<AnimationNode> node = nodes[p_name].node;
node->disconnect("tree_changed", callable_mp(this, &AnimationNodeBlendTree::_tree_changed));
node->disconnect("changed", callable_mp(this, &AnimationNodeBlendTree::_node_changed));
}
nodes.erase(p_name);
//erase connections to name
for (KeyValue<StringName, Node> &E : nodes) {
for (int i = 0; i < E.value.connections.size(); i++) {
if (E.value.connections[i] == p_name) {
E.value.connections.write[i] = StringName();
}
}
}
emit_changed();
emit_signal(SNAME("tree_changed"));
}
void AnimationNodeBlendTree::rename_node(const StringName &p_name, const StringName &p_new_name) {
ERR_FAIL_COND(!nodes.has(p_name));
ERR_FAIL_COND(nodes.has(p_new_name));
ERR_FAIL_COND(p_name == SceneStringNames::get_singleton()->output);
ERR_FAIL_COND(p_new_name == SceneStringNames::get_singleton()->output);
nodes[p_name].node->disconnect("changed", callable_mp(this, &AnimationNodeBlendTree::_node_changed));
nodes[p_new_name] = nodes[p_name];
nodes.erase(p_name);
//rename connections
for (KeyValue<StringName, Node> &E : nodes) {
for (int i = 0; i < E.value.connections.size(); i++) {
if (E.value.connections[i] == p_name) {
E.value.connections.write[i] = p_new_name;
}
}
}
//connection must be done with new name
nodes[p_new_name].node->connect("changed", callable_mp(this, &AnimationNodeBlendTree::_node_changed).bind(p_new_name), CONNECT_REFERENCE_COUNTED);
emit_signal(SNAME("tree_changed"));
}
void AnimationNodeBlendTree::connect_node(const StringName &p_input_node, int p_input_index, const StringName &p_output_node) {
ERR_FAIL_COND(!nodes.has(p_output_node));
ERR_FAIL_COND(!nodes.has(p_input_node));
ERR_FAIL_COND(p_output_node == SceneStringNames::get_singleton()->output);
ERR_FAIL_COND(p_input_node == p_output_node);
Ref<AnimationNode> input = nodes[p_input_node].node;
ERR_FAIL_INDEX(p_input_index, nodes[p_input_node].connections.size());
for (KeyValue<StringName, Node> &E : nodes) {
for (int i = 0; i < E.value.connections.size(); i++) {
StringName output = E.value.connections[i];
ERR_FAIL_COND(output == p_output_node);
}
}
nodes[p_input_node].connections.write[p_input_index] = p_output_node;
emit_changed();
}
void AnimationNodeBlendTree::disconnect_node(const StringName &p_node, int p_input_index) {
ERR_FAIL_COND(!nodes.has(p_node));
Ref<AnimationNode> input = nodes[p_node].node;
ERR_FAIL_INDEX(p_input_index, nodes[p_node].connections.size());
nodes[p_node].connections.write[p_input_index] = StringName();
}
AnimationNodeBlendTree::ConnectionError AnimationNodeBlendTree::can_connect_node(const StringName &p_input_node, int p_input_index, const StringName &p_output_node) const {
if (!nodes.has(p_output_node) || p_output_node == SceneStringNames::get_singleton()->output) {
return CONNECTION_ERROR_NO_OUTPUT;
}
if (!nodes.has(p_input_node)) {
return CONNECTION_ERROR_NO_INPUT;
}
if (p_input_node == p_output_node) {
return CONNECTION_ERROR_SAME_NODE;
}
Ref<AnimationNode> input = nodes[p_input_node].node;
if (p_input_index < 0 || p_input_index >= nodes[p_input_node].connections.size()) {
return CONNECTION_ERROR_NO_INPUT_INDEX;
}
if (nodes[p_input_node].connections[p_input_index] != StringName()) {
return CONNECTION_ERROR_CONNECTION_EXISTS;
}
for (const KeyValue<StringName, Node> &E : nodes) {
for (int i = 0; i < E.value.connections.size(); i++) {
const StringName output = E.value.connections[i];
if (output == p_output_node) {
return CONNECTION_ERROR_CONNECTION_EXISTS;
}
}
}
return CONNECTION_OK;
}
void AnimationNodeBlendTree::get_node_connections(List<NodeConnection> *r_connections) const {
for (const KeyValue<StringName, Node> &E : nodes) {
for (int i = 0; i < E.value.connections.size(); i++) {
const StringName output = E.value.connections[i];
if (output != StringName()) {
NodeConnection nc;
nc.input_node = E.key;
nc.input_index = i;
nc.output_node = output;
r_connections->push_back(nc);
}
}
}
}
String AnimationNodeBlendTree::get_caption() const {
return "BlendTree";
}
double AnimationNodeBlendTree::process(double p_time, bool p_seek, bool p_is_external_seeking) {
Ref<AnimationNodeOutput> output = nodes[SceneStringNames::get_singleton()->output].node;
return _blend_node("output", nodes[SceneStringNames::get_singleton()->output].connections, this, output, p_time, p_seek, p_is_external_seeking, 1.0, FILTER_IGNORE, true);
}
void AnimationNodeBlendTree::get_node_list(List<StringName> *r_list) {
for (const KeyValue<StringName, Node> &E : nodes) {
r_list->push_back(E.key);
}
}
void AnimationNodeBlendTree::set_graph_offset(const Vector2 &p_graph_offset) {
graph_offset = p_graph_offset;
}
Vector2 AnimationNodeBlendTree::get_graph_offset() const {
return graph_offset;
}
Ref<AnimationNode> AnimationNodeBlendTree::get_child_by_name(const StringName &p_name) {
return get_node(p_name);
}
bool AnimationNodeBlendTree::_set(const StringName &p_name, const Variant &p_value) {
String prop_name = p_name;
if (prop_name.begins_with("nodes/")) {
String node_name = prop_name.get_slicec('/', 1);
String what = prop_name.get_slicec('/', 2);
if (what == "node") {
Ref<AnimationNode> anode = p_value;
if (anode.is_valid()) {
add_node(node_name, p_value);
}
return true;
}
if (what == "position") {
if (nodes.has(node_name)) {
nodes[node_name].position = p_value;
}
return true;
}
} else if (prop_name == "node_connections") {
Array conns = p_value;
ERR_FAIL_COND_V(conns.size() % 3 != 0, false);
for (int i = 0; i < conns.size(); i += 3) {
connect_node(conns[i], conns[i + 1], conns[i + 2]);
}
return true;
}
return false;
}
bool AnimationNodeBlendTree::_get(const StringName &p_name, Variant &r_ret) const {
String prop_name = p_name;
if (prop_name.begins_with("nodes/")) {
String node_name = prop_name.get_slicec('/', 1);
String what = prop_name.get_slicec('/', 2);
if (what == "node") {
if (nodes.has(node_name)) {
r_ret = nodes[node_name].node;
return true;
}
}
if (what == "position") {
if (nodes.has(node_name)) {
r_ret = nodes[node_name].position;
return true;
}
}
} else if (prop_name == "node_connections") {
List<NodeConnection> nc;
get_node_connections(&nc);
Array conns;
conns.resize(nc.size() * 3);
int idx = 0;
for (const NodeConnection &E : nc) {
conns[idx * 3 + 0] = E.input_node;
conns[idx * 3 + 1] = E.input_index;
conns[idx * 3 + 2] = E.output_node;
idx++;
}
r_ret = conns;
return true;
}
return false;
}
void AnimationNodeBlendTree::_get_property_list(List<PropertyInfo> *p_list) const {
List<StringName> names;
for (const KeyValue<StringName, Node> &E : nodes) {
names.push_back(E.key);
}
names.sort_custom<StringName::AlphCompare>();
for (const StringName &E : names) {
String prop_name = E;
if (prop_name != "output") {
p_list->push_back(PropertyInfo(Variant::OBJECT, "nodes/" + prop_name + "/node", PROPERTY_HINT_RESOURCE_TYPE, "AnimationNode", PROPERTY_USAGE_NO_EDITOR));
}
p_list->push_back(PropertyInfo(Variant::VECTOR2, "nodes/" + prop_name + "/position", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_NO_EDITOR));
}
p_list->push_back(PropertyInfo(Variant::ARRAY, "node_connections", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_NO_EDITOR));
}
void AnimationNodeBlendTree::reset_state() {
graph_offset = Vector2();
nodes.clear();
_initialize_node_tree();
emit_changed();
emit_signal(SNAME("tree_changed"));
}
void AnimationNodeBlendTree::_tree_changed() {
emit_signal(SNAME("tree_changed"));
}
void AnimationNodeBlendTree::_node_changed(const StringName &p_node) {
ERR_FAIL_COND(!nodes.has(p_node));
nodes[p_node].connections.resize(nodes[p_node].node->get_input_count());
emit_signal(SNAME("node_changed"), p_node);
}
void AnimationNodeBlendTree::_bind_methods() {
ClassDB::bind_method(D_METHOD("add_node", "name", "node", "position"), &AnimationNodeBlendTree::add_node, DEFVAL(Vector2()));
ClassDB::bind_method(D_METHOD("get_node", "name"), &AnimationNodeBlendTree::get_node);
ClassDB::bind_method(D_METHOD("remove_node", "name"), &AnimationNodeBlendTree::remove_node);
ClassDB::bind_method(D_METHOD("rename_node", "name", "new_name"), &AnimationNodeBlendTree::rename_node);
ClassDB::bind_method(D_METHOD("has_node", "name"), &AnimationNodeBlendTree::has_node);
ClassDB::bind_method(D_METHOD("connect_node", "input_node", "input_index", "output_node"), &AnimationNodeBlendTree::connect_node);
ClassDB::bind_method(D_METHOD("disconnect_node", "input_node", "input_index"), &AnimationNodeBlendTree::disconnect_node);
ClassDB::bind_method(D_METHOD("set_node_position", "name", "position"), &AnimationNodeBlendTree::set_node_position);
ClassDB::bind_method(D_METHOD("get_node_position", "name"), &AnimationNodeBlendTree::get_node_position);
ClassDB::bind_method(D_METHOD("set_graph_offset", "offset"), &AnimationNodeBlendTree::set_graph_offset);
ClassDB::bind_method(D_METHOD("get_graph_offset"), &AnimationNodeBlendTree::get_graph_offset);
ADD_PROPERTY(PropertyInfo(Variant::VECTOR2, "graph_offset", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_NO_EDITOR), "set_graph_offset", "get_graph_offset");
BIND_CONSTANT(CONNECTION_OK);
BIND_CONSTANT(CONNECTION_ERROR_NO_INPUT);
BIND_CONSTANT(CONNECTION_ERROR_NO_INPUT_INDEX);
BIND_CONSTANT(CONNECTION_ERROR_NO_OUTPUT);
BIND_CONSTANT(CONNECTION_ERROR_SAME_NODE);
BIND_CONSTANT(CONNECTION_ERROR_CONNECTION_EXISTS);
ADD_SIGNAL(MethodInfo("node_changed", PropertyInfo(Variant::STRING_NAME, "node_name")));
}
void AnimationNodeBlendTree::_initialize_node_tree() {
Ref<AnimationNodeOutput> output;
output.instantiate();
Node n;
n.node = output;
n.position = Vector2(300, 150);
n.connections.resize(1);
nodes["output"] = n;
}
AnimationNodeBlendTree::AnimationNodeBlendTree() {
_initialize_node_tree();
}
AnimationNodeBlendTree::~AnimationNodeBlendTree() {
}