summaryrefslogtreecommitdiff
path: root/scene/animation
diff options
context:
space:
mode:
Diffstat (limited to 'scene/animation')
-rw-r--r--scene/animation/tween.cpp1219
-rw-r--r--scene/animation/tween.h239
-rw-r--r--scene/animation/tween_interpolaters.cpp407
3 files changed, 1865 insertions, 0 deletions
diff --git a/scene/animation/tween.cpp b/scene/animation/tween.cpp
new file mode 100644
index 0000000000..f2df6d47c9
--- /dev/null
+++ b/scene/animation/tween.cpp
@@ -0,0 +1,1219 @@
+/*************************************************************************/
+/* tween.cpp */
+/*************************************************************************/
+/* This file is part of: */
+/* GODOT ENGINE */
+/* http://www.godotengine.org */
+/*************************************************************************/
+/* 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 "tween.h"
+
+bool Tween::_set(const StringName& p_name, const Variant& p_value) {
+
+ String name=p_name;
+
+ if (name=="playback/speed" || name=="speed") { //bw compatibility
+ set_speed(p_value);
+
+ } else if (name=="playback/active") {
+ set_active(p_value);
+
+ } else if (name=="playback/repeat") {
+ set_repeat(p_value);
+
+ }
+ return true;
+}
+
+bool Tween::_get(const StringName& p_name,Variant &r_ret) const {
+
+ String name=p_name;
+
+ if (name=="playback/speed") { //bw compatibility
+
+ r_ret=speed_scale;
+ } else if (name=="playback/active") {
+
+ r_ret=is_active();
+ } else if(name=="playback/repeat") {
+
+ r_ret=is_repeat();
+ }
+
+ return true;
+}
+
+void Tween::_get_property_list(List<PropertyInfo> *p_list) const {
+
+ p_list->push_back( PropertyInfo( Variant::BOOL, "playback/active", PROPERTY_HINT_NONE,"" ) );
+ p_list->push_back( PropertyInfo( Variant::BOOL, "playback/repeat", PROPERTY_HINT_NONE,"" ) );
+ p_list->push_back( PropertyInfo( Variant::REAL, "playback/speed", PROPERTY_HINT_RANGE, "-64,64,0.01") );
+}
+
+void Tween::_notification(int p_what) {
+
+ switch(p_what) {
+
+ case NOTIFICATION_ENTER_SCENE: {
+
+ if (!processing) {
+ //make sure that a previous process state was not saved
+ //only process if "processing" is set
+ set_fixed_process(false);
+ set_process(false);
+ }
+ } break;
+ case NOTIFICATION_READY: {
+
+ } break;
+ case NOTIFICATION_PROCESS: {
+ if (tween_process_mode==TWEEN_PROCESS_FIXED)
+ break;
+
+ if (processing)
+ _tween_process( get_process_delta_time() );
+ } break;
+ case NOTIFICATION_FIXED_PROCESS: {
+
+ if (tween_process_mode==TWEEN_PROCESS_IDLE)
+ break;
+
+ if (processing)
+ _tween_process( get_fixed_process_delta_time() );
+ } break;
+ case NOTIFICATION_EXIT_SCENE: {
+
+ stop_all();
+ } break;
+ }
+}
+
+void Tween::_bind_methods() {
+
+ ObjectTypeDB::bind_method(_MD("is_active"),&Tween::is_active );
+ ObjectTypeDB::bind_method(_MD("set_active","active"),&Tween::set_active );
+
+ ObjectTypeDB::bind_method(_MD("is_repeat"),&Tween::is_repeat );
+ ObjectTypeDB::bind_method(_MD("set_repeat","repeat"),&Tween::set_repeat );
+
+ ObjectTypeDB::bind_method(_MD("set_speed","speed"),&Tween::set_speed);
+ ObjectTypeDB::bind_method(_MD("get_speed"),&Tween::get_speed);
+
+ ObjectTypeDB::bind_method(_MD("set_tween_process_mode","mode"),&Tween::set_tween_process_mode);
+ ObjectTypeDB::bind_method(_MD("get_tween_process_mode"),&Tween::get_tween_process_mode);
+
+ ObjectTypeDB::bind_method(_MD("start"),&Tween::start );
+ ObjectTypeDB::bind_method(_MD("reset","node","key"),&Tween::reset );
+ ObjectTypeDB::bind_method(_MD("reset_all"),&Tween::reset_all );
+ ObjectTypeDB::bind_method(_MD("stop","node","key"),&Tween::stop );
+ ObjectTypeDB::bind_method(_MD("stop_all"),&Tween::stop_all );
+ ObjectTypeDB::bind_method(_MD("resume","node","key"),&Tween::resume );
+ ObjectTypeDB::bind_method(_MD("resume_all"),&Tween::resume_all );
+ ObjectTypeDB::bind_method(_MD("remove","node","key"),&Tween::remove );
+ ObjectTypeDB::bind_method(_MD("remove_all"),&Tween::remove_all );
+ ObjectTypeDB::bind_method(_MD("seek","time"),&Tween::seek );
+ ObjectTypeDB::bind_method(_MD("tell"),&Tween::tell );
+ ObjectTypeDB::bind_method(_MD("get_runtime"),&Tween::get_runtime );
+
+ ObjectTypeDB::bind_method(_MD("interpolate_property","node","property","initial_val","final_val","times_in_sec","trans_type","ease_type","delay"),&Tween::interpolate_property, DEFVAL(0) );
+ ObjectTypeDB::bind_method(_MD("interpolate_method","node","method","initial_val","final_val","times_in_sec","trans_type","ease_type","delay"),&Tween::interpolate_method, DEFVAL(0) );
+ ObjectTypeDB::bind_method(_MD("interpolate_callback","node","callback","times_in_sec","args"),&Tween::interpolate_callback, DEFVAL(Variant()) );
+ ObjectTypeDB::bind_method(_MD("follow_property","node","property","initial_val","target","target_property","times_in_sec","trans_type","ease_type","delay"),&Tween::follow_property, DEFVAL(0) );
+ ObjectTypeDB::bind_method(_MD("follow_method","node","method","initial_val","target","target_method","times_in_sec","trans_type","ease_type","delay"),&Tween::follow_method, DEFVAL(0) );
+ ObjectTypeDB::bind_method(_MD("targeting_property","node","property","initial","initial_val","final_val","times_in_sec","trans_type","ease_type","delay"),&Tween::targeting_property, DEFVAL(0) );
+ ObjectTypeDB::bind_method(_MD("targeting_method","node","method","initial","initial_method","final_val","times_in_sec","trans_type","ease_type","delay"),&Tween::targeting_method, DEFVAL(0) );
+
+ ADD_SIGNAL( MethodInfo("tween_start", PropertyInfo( Variant::OBJECT,"node"), PropertyInfo( Variant::STRING,"key")) );
+ ADD_SIGNAL( MethodInfo("tween_step", PropertyInfo( Variant::OBJECT,"node"), PropertyInfo( Variant::STRING,"key"), PropertyInfo( Variant::REAL,"elapsed"), PropertyInfo( Variant::OBJECT,"value")) );
+ ADD_SIGNAL( MethodInfo("tween_complete", PropertyInfo( Variant::OBJECT,"node"), PropertyInfo( Variant::STRING,"key")) );
+
+ ADD_PROPERTY( PropertyInfo( Variant::INT, "playback/process_mode", PROPERTY_HINT_ENUM, "Fixed,Idle"), _SCS("set_tween_process_mode"), _SCS("get_tween_process_mode"));
+ //ADD_PROPERTY( PropertyInfo( Variant::BOOL, "activate"), _SCS("set_active"), _SCS("is_active"));
+
+ BIND_CONSTANT(TRANS_LINEAR);
+ BIND_CONSTANT(TRANS_SINE);
+ BIND_CONSTANT(TRANS_QUINT);
+ BIND_CONSTANT(TRANS_QUART);
+ BIND_CONSTANT(TRANS_QUAD);
+ BIND_CONSTANT(TRANS_EXPO);
+ BIND_CONSTANT(TRANS_ELASTIC);
+ BIND_CONSTANT(TRANS_CUBIC);
+ BIND_CONSTANT(TRANS_CIRC);
+ BIND_CONSTANT(TRANS_BOUNCE);
+ BIND_CONSTANT(TRANS_BACK);
+
+ BIND_CONSTANT(EASE_IN);
+ BIND_CONSTANT(EASE_OUT);
+ BIND_CONSTANT(EASE_IN_OUT);
+ BIND_CONSTANT(EASE_OUT_IN);
+}
+
+Variant& Tween::_get_initial_val(InterpolateData& p_data) {
+
+ switch(p_data.type) {
+ case INTER_PROPERTY:
+ case INTER_METHOD:
+ case FOLLOW_PROPERTY:
+ case FOLLOW_METHOD:
+ return p_data.initial_val;
+
+ case TARGETING_PROPERTY:
+ case TARGETING_METHOD: {
+
+ Node *node = get_node(p_data.target);
+ ERR_FAIL_COND_V(node == NULL,p_data.initial_val);
+
+ static Variant initial_val;
+ if(p_data.type == TARGETING_PROPERTY) {
+
+ bool valid = false;
+ initial_val = node->get(p_data.target_key, &valid);
+ ERR_FAIL_COND_V(!valid,p_data.initial_val);
+ } else {
+
+ Variant::CallError error;
+ initial_val = node->call(p_data.target_key, NULL, 0, error);
+ ERR_FAIL_COND_V(error.error != Variant::CallError::CALL_OK,p_data.initial_val);
+ }
+ return initial_val;
+ }
+ break;
+ }
+ return p_data.delta_val;
+}
+
+Variant& Tween::_get_delta_val(InterpolateData& p_data) {
+
+ switch(p_data.type) {
+ case INTER_PROPERTY:
+ case INTER_METHOD:
+ return p_data.delta_val;
+
+ case FOLLOW_PROPERTY:
+ case FOLLOW_METHOD: {
+
+ Node *target = get_node(p_data.target);
+ ERR_FAIL_COND_V(target == NULL,p_data.initial_val);
+
+ Variant final_val;
+
+ if(p_data.type == FOLLOW_PROPERTY) {
+
+ bool valid = false;
+ final_val = target->get(p_data.target_key, &valid);
+ ERR_FAIL_COND_V(!valid,p_data.initial_val);
+ } else {
+
+ Variant::CallError error;
+ final_val = target->call(p_data.target_key, NULL, 0, error);
+ ERR_FAIL_COND_V(error.error != Variant::CallError::CALL_OK,p_data.initial_val);
+ }
+
+ // convert INT to REAL is better for interpolaters
+ if(final_val.get_type() == Variant::INT) final_val = final_val.operator real_t();
+ _calc_delta_val(p_data.initial_val, final_val, p_data.delta_val);
+ return p_data.delta_val;
+ }
+ break;
+
+ case TARGETING_PROPERTY:
+ case TARGETING_METHOD: {
+
+ Variant initial_val = _get_initial_val(p_data);
+ // convert INT to REAL is better for interpolaters
+ if(initial_val.get_type() == Variant::INT) initial_val = initial_val.operator real_t();
+
+ //_calc_delta_val(p_data.initial_val, p_data.final_val, p_data.delta_val);
+ _calc_delta_val(initial_val, p_data.final_val, p_data.delta_val);
+ return p_data.delta_val;
+ }
+ break;
+ }
+ return p_data.initial_val;
+}
+
+Variant Tween::_run_equation(InterpolateData& p_data) {
+
+ Variant& initial_val = _get_initial_val(p_data);
+ Variant& delta_val = _get_delta_val(p_data);
+ Variant result;
+
+#define APPLY_EQUATION(element)\
+ r.element = _run_equation(p_data.trans_type, p_data.ease_type, p_data.elapsed - p_data.delay, i.element, d.element, p_data.times_in_sec);
+
+ switch(initial_val.get_type())
+ {
+ case Variant::INT:
+ result = (int) _run_equation(p_data.trans_type, p_data.ease_type, p_data.elapsed - p_data.delay, (int) initial_val, (int) delta_val, p_data.times_in_sec);
+ break;
+
+ case Variant::REAL:
+ result = _run_equation(p_data.trans_type, p_data.ease_type, p_data.elapsed - p_data.delay, (real_t) initial_val, (real_t) delta_val, p_data.times_in_sec);
+ break;
+
+ case Variant::VECTOR2:
+ {
+ Vector2 i = initial_val;
+ Vector2 d = delta_val;
+ Vector2 r;
+
+ APPLY_EQUATION(x);
+ APPLY_EQUATION(y);
+
+ result = r;
+ }
+ break;
+
+ case Variant::VECTOR3:
+ {
+ Vector3 i = initial_val;
+ Vector3 d = delta_val;
+ Vector3 r;
+
+ APPLY_EQUATION(x);
+ APPLY_EQUATION(y);
+ APPLY_EQUATION(z);
+
+ result = r;
+ }
+ break;
+
+ case Variant::MATRIX3:
+ {
+ Matrix3 i = initial_val;
+ Matrix3 d = delta_val;
+ Matrix3 r;
+
+ APPLY_EQUATION(elements[0][0]);
+ APPLY_EQUATION(elements[0][1]);
+ APPLY_EQUATION(elements[0][2]);
+ APPLY_EQUATION(elements[1][0]);
+ APPLY_EQUATION(elements[1][1]);
+ APPLY_EQUATION(elements[1][2]);
+ APPLY_EQUATION(elements[2][0]);
+ APPLY_EQUATION(elements[2][1]);
+ APPLY_EQUATION(elements[2][2]);
+
+ result = r;
+ }
+ break;
+
+ case Variant::MATRIX32:
+ {
+ Matrix3 i = initial_val;
+ Matrix3 d = delta_val;
+ Matrix3 r;
+
+ APPLY_EQUATION(elements[0][0]);
+ APPLY_EQUATION(elements[0][1]);
+ APPLY_EQUATION(elements[1][0]);
+ APPLY_EQUATION(elements[1][1]);
+ APPLY_EQUATION(elements[2][0]);
+ APPLY_EQUATION(elements[2][1]);
+
+ result = r;
+ }
+ break;
+ case Variant::QUAT:
+ {
+ Quat i = initial_val;
+ Quat d = delta_val;
+ Quat r;
+
+ APPLY_EQUATION(x);
+ APPLY_EQUATION(y);
+ APPLY_EQUATION(z);
+ APPLY_EQUATION(w);
+
+ result = r;
+ }
+ break;
+ case Variant::_AABB:
+ {
+ AABB i = initial_val;
+ AABB d = delta_val;
+ AABB r;
+
+ APPLY_EQUATION(pos.x);
+ APPLY_EQUATION(pos.y);
+ APPLY_EQUATION(pos.z);
+ APPLY_EQUATION(size.x);
+ APPLY_EQUATION(size.y);
+ APPLY_EQUATION(size.z);
+
+ result = r;
+ }
+ break;
+ case Variant::TRANSFORM:
+ {
+ Transform i = initial_val;
+ Transform d = delta_val;
+ Transform r;
+
+ APPLY_EQUATION(basis.elements[0][0]);
+ APPLY_EQUATION(basis.elements[0][1]);
+ APPLY_EQUATION(basis.elements[0][2]);
+ APPLY_EQUATION(basis.elements[1][0]);
+ APPLY_EQUATION(basis.elements[1][1]);
+ APPLY_EQUATION(basis.elements[1][2]);
+ APPLY_EQUATION(basis.elements[2][0]);
+ APPLY_EQUATION(basis.elements[2][1]);
+ APPLY_EQUATION(basis.elements[2][2]);
+ APPLY_EQUATION(origin.x);
+ APPLY_EQUATION(origin.y);
+ APPLY_EQUATION(origin.z);
+
+ result = r;
+ }
+ break;
+ case Variant::COLOR:
+ {
+ Color i = initial_val;
+ Color d = delta_val;
+ Color r;
+
+ APPLY_EQUATION(r);
+ APPLY_EQUATION(g);
+ APPLY_EQUATION(b);
+ APPLY_EQUATION(a);
+
+ result = r;
+ }
+ break;
+ };
+#undef APPLY_EQUATION
+
+ return result;
+}
+
+bool Tween::_apply_tween_value(InterpolateData& p_data, Variant& value) {
+
+ Object *object = get_node(p_data.path);
+ ERR_FAIL_COND_V(object == NULL, false);
+
+ switch(p_data.type) {
+
+ case INTER_PROPERTY:
+ case FOLLOW_PROPERTY:
+ case TARGETING_PROPERTY:
+ {
+ bool valid = false;
+ object->set(p_data.key,value, &valid);
+ return valid;
+ }
+
+ case INTER_METHOD:
+ case FOLLOW_METHOD:
+ case TARGETING_METHOD:
+ {
+ Variant::CallError error;
+ if (value.get_type() != Variant::NIL) {
+ Variant *arg[1] = { &value };
+ object->call(p_data.key, (const Variant **) arg, 1, error);
+ } else {
+ object->call(p_data.key, NULL, 0, error);
+ }
+
+ if(error.error == Variant::CallError::CALL_OK)
+ return true;
+ return false;
+ }
+
+ case INTER_CALLBACK:
+ break;
+ };
+ return true;
+}
+
+void Tween::_tween_process(float p_delta) {
+
+ if (speed_scale == 0)
+ return;
+ p_delta *= speed_scale;
+
+ // if repeat and all interpolates was finished then reset all interpolates
+ if(repeat) {
+ bool all_finished = true;
+
+ for(List<InterpolateData>::Element *E=interpolates.front();E;E=E->next()) {
+
+ InterpolateData& data = E->get();
+
+ if(!data.finish) {
+ all_finished = false;
+ break;
+ }
+ }
+
+ if(all_finished)
+ reset_all();
+ }
+
+ for(List<InterpolateData>::Element *E=interpolates.front();E;E=E->next()) {
+
+ InterpolateData& data = E->get();
+ if(!data.active || data.finish)
+ continue;
+
+ Object *object = get_node(data.path);
+ if(object == NULL)
+ continue;
+
+ bool prev_delaying = data.elapsed <= data.delay;
+ data.elapsed += p_delta;
+ if(data.elapsed < data.delay)
+ continue;
+ else if(prev_delaying) {
+
+ emit_signal("tween_start",object,data.key);
+ _apply_tween_value(data, data.initial_val);
+ }
+
+ if(data.elapsed > (data.delay + data.times_in_sec)) {
+
+ data.elapsed = data.delay + data.times_in_sec;
+ data.finish = true;
+ }
+
+ switch(data.type)
+ {
+ case INTER_PROPERTY:
+ case INTER_METHOD:
+ break;
+ case INTER_CALLBACK:
+ if(data.finish) {
+
+ Variant::CallError error;
+ if (data.arg.get_type() != Variant::NIL) {
+ Variant *arg[1] = { &data.arg };
+ object->call(data.key, (const Variant **) arg, 1, error);
+ } else {
+ object->call(data.key, NULL, 0, error);
+ }
+ }
+ continue;
+ }
+
+ Variant result = _run_equation(data);
+ emit_signal("tween_step",object,data.key,data.elapsed,result);
+
+ _apply_tween_value(data, result);
+
+ if(data.finish)
+ emit_signal("tween_complete",object,data.key);
+ }
+}
+
+void Tween::set_tween_process_mode(TweenProcessMode p_mode) {
+
+ if (tween_process_mode==p_mode)
+ return;
+
+ bool pr = processing;
+ if (pr)
+ _set_process(false);
+ tween_process_mode=p_mode;
+ if (pr)
+ _set_process(true);
+}
+
+Tween::TweenProcessMode Tween::get_tween_process_mode() const {
+
+ return tween_process_mode;
+}
+
+void Tween::_set_process(bool p_process,bool p_force) {
+
+ if (processing==p_process && !p_force)
+ return;
+
+ switch(tween_process_mode) {
+
+ case TWEEN_PROCESS_FIXED: set_fixed_process(p_process && active); break;
+ case TWEEN_PROCESS_IDLE: set_process(p_process && active); break;
+ }
+
+ processing=p_process;
+}
+
+bool Tween::is_active() const {
+
+ return active;
+}
+
+void Tween::set_active(bool p_active) {
+
+ if (active==p_active)
+ return;
+
+ active=p_active;
+ _set_process(processing,true);
+}
+
+bool Tween::is_repeat() const {
+
+ return repeat;
+}
+
+void Tween::set_repeat(bool p_repeat) {
+
+ repeat = p_repeat;
+}
+
+void Tween::set_speed(float p_speed) {
+
+ speed_scale=p_speed;
+}
+
+float Tween::get_speed() const {
+
+ return speed_scale;
+}
+
+bool Tween::start() {
+
+ set_active(true);
+ _set_process(true);
+ return true;
+}
+
+bool Tween::reset(Node *p_node, String p_key) {
+
+ for(List<InterpolateData>::Element *E=interpolates.front();E;E=E->next()) {
+
+ InterpolateData& data = E->get();
+ Node *node = get_node(data.path);
+ if(node == NULL)
+ continue;
+
+ if(node == p_node && data.key == p_key) {
+
+ data.elapsed = 0;
+ data.finish = false;
+ if(data.delay == 0)
+ _apply_tween_value(data, data.initial_val);
+ }
+ }
+ return true;
+}
+
+bool Tween::reset_all() {
+
+ for(List<InterpolateData>::Element *E=interpolates.front();E;E=E->next()) {
+
+ InterpolateData& data = E->get();
+ data.elapsed = 0;
+ data.finish = false;
+ if(data.delay == 0)
+ _apply_tween_value(data, data.initial_val);
+ }
+ return true;
+}
+
+bool Tween::stop(Node *p_node, String p_key) {
+
+ for(List<InterpolateData>::Element *E=interpolates.front();E;E=E->next()) {
+
+ InterpolateData& data = E->get();
+ Node *node = get_node(data.path);
+ if(node == NULL)
+ continue;
+ if(node == p_node && data.key == p_key)
+ data.active = false;
+ }
+ return true;
+}
+
+bool Tween::stop_all() {
+
+ set_active(false);
+ _set_process(false);
+
+ for(List<InterpolateData>::Element *E=interpolates.front();E;E=E->next()) {
+
+ InterpolateData& data = E->get();
+ data.active = false;
+ }
+ return true;
+}
+
+bool Tween::resume(Node *p_node, String p_key) {
+
+ set_active(true);
+ _set_process(true);
+
+ for(List<InterpolateData>::Element *E=interpolates.front();E;E=E->next()) {
+
+ InterpolateData& data = E->get();
+ Node *node = get_node(data.path);
+ if(node == NULL)
+ continue;
+ if(node == p_node && data.key == p_key)
+ data.active = true;
+ }
+ return true;
+}
+
+bool Tween::resume_all() {
+
+ set_active(true);
+ _set_process(true);
+
+ for(List<InterpolateData>::Element *E=interpolates.front();E;E=E->next()) {
+
+ InterpolateData& data = E->get();
+ data.active = true;
+ }
+ return true;
+}
+
+bool Tween::remove(Node *p_node, String p_key) {
+
+ for(List<InterpolateData>::Element *E=interpolates.front();E;E=E->next()) {
+
+ InterpolateData& data = E->get();
+ Node *node = get_node(data.path);
+ if(node == NULL)
+ continue;
+ if(node == p_node && data.key == p_key) {
+ interpolates.erase(E);
+ return true;
+ }
+ }
+ return true;
+}
+
+bool Tween::remove_all() {
+
+ set_active(false);
+ _set_process(false);
+ interpolates.clear();
+ return true;
+}
+
+bool Tween::seek(real_t p_time) {
+
+ for(List<InterpolateData>::Element *E=interpolates.front();E;E=E->next()) {
+
+ InterpolateData& data = E->get();
+
+ data.elapsed = p_time;
+ if(data.elapsed < data.delay) {
+
+ data.finish = false;
+ continue;
+ }
+ else if(data.elapsed >= (data.delay + data.times_in_sec)) {
+
+ data.finish = true;
+ data.elapsed = (data.delay + data.times_in_sec);
+ } else
+ data.finish = false;
+
+ switch(data.type)
+ {
+ case INTER_PROPERTY:
+ case INTER_METHOD:
+ break;
+ case INTER_CALLBACK:
+ continue;
+ }
+
+ Variant result = _run_equation(data);
+
+ _apply_tween_value(data, result);
+ }
+ return true;
+}
+
+real_t Tween::tell() const {
+
+ real_t pos = 0;
+ for(const List<InterpolateData>::Element *E=interpolates.front();E;E=E->next()) {
+
+ const InterpolateData& data = E->get();
+ if(data.elapsed > pos)
+ pos = data.elapsed;
+ }
+ return pos;
+}
+
+real_t Tween::get_runtime() const {
+
+ real_t runtime = 0;
+ for(const List<InterpolateData>::Element *E=interpolates.front();E;E=E->next()) {
+
+ const InterpolateData& data = E->get();
+ real_t t = data.delay + data.times_in_sec;
+ if(t > runtime)
+ runtime = t;
+ }
+ return runtime;
+}
+
+bool Tween::_calc_delta_val(const Variant& p_initial_val, const Variant& p_final_val, Variant& p_delta_val) {
+
+ const Variant& initial_val = p_initial_val;
+ const Variant& final_val = p_final_val;
+ Variant& delta_val = p_delta_val;
+
+ switch(initial_val.get_type()) {
+ case Variant::INT:
+ delta_val = (int) final_val - (int) initial_val;
+ break;
+
+ case Variant::REAL:
+ delta_val = (real_t) final_val - (real_t) initial_val;
+ break;
+
+ case Variant::VECTOR2:
+ delta_val = final_val.operator Vector2() - initial_val.operator Vector2();
+ break;
+
+ case Variant::VECTOR3:
+ delta_val = final_val.operator Vector3() - initial_val.operator Vector3();
+ break;
+
+ case Variant::MATRIX3:
+ {
+ Matrix3 i = initial_val;
+ Matrix3 f = final_val;
+ delta_val = Matrix3(f.elements[0][0] - i.elements[0][0],
+ f.elements[0][1] - i.elements[0][1],
+ f.elements[0][2] - i.elements[0][2],
+ f.elements[1][0] - i.elements[1][0],
+ f.elements[1][1] - i.elements[1][1],
+ f.elements[1][2] - i.elements[1][2],
+ f.elements[2][0] - i.elements[2][0],
+ f.elements[2][1] - i.elements[2][1],
+ f.elements[2][2] - i.elements[2][2]
+ );
+ }
+ break;
+
+ case Variant::MATRIX32:
+ {
+ Matrix32 i = initial_val;
+ Matrix32 f = final_val;
+ Matrix32 d = Matrix32();
+ d[0][0] = f.elements[0][0] - i.elements[0][0];
+ d[0][1] = f.elements[0][1] - i.elements[0][1];
+ d[1][0] = f.elements[1][0] - i.elements[1][0];
+ d[1][1] = f.elements[1][1] - i.elements[1][1];
+ d[2][0] = f.elements[2][0] - i.elements[2][0];
+ d[2][1] = f.elements[2][1] - i.elements[2][1];
+ delta_val = d;
+ }
+ break;
+ case Variant::QUAT:
+ delta_val = final_val.operator Quat() - initial_val.operator Quat();
+ break;
+ case Variant::_AABB:
+ {
+ AABB i = initial_val;
+ AABB f = final_val;
+ delta_val = AABB(f.pos - i.pos, f.size - i.size);
+ }
+ break;
+ case Variant::TRANSFORM:
+ {
+ Transform i = initial_val;
+ Transform f = final_val;
+ Transform d;
+ d.set(f.basis.elements[0][0] - i.basis.elements[0][0],
+ f.basis.elements[0][1] - i.basis.elements[0][1],
+ f.basis.elements[0][2] - i.basis.elements[0][2],
+ f.basis.elements[1][0] - i.basis.elements[1][0],
+ f.basis.elements[1][1] - i.basis.elements[1][1],
+ f.basis.elements[1][2] - i.basis.elements[1][2],
+ f.basis.elements[2][0] - i.basis.elements[2][0],
+ f.basis.elements[2][1] - i.basis.elements[2][1],
+ f.basis.elements[2][2] - i.basis.elements[2][2],
+ f.origin.x - i.origin.x,
+ f.origin.y - i.origin.y,
+ f.origin.z - i.origin.z
+ );
+
+ delta_val = d;
+ }
+ break;
+ case Variant::COLOR:
+ {
+ Color i = initial_val;
+ Color f = final_val;
+ delta_val = Color(f.r - i.r, f.g - i.g, f.b - i.b, f.a - i.a);
+ }
+ break;
+
+ default:
+ ERR_PRINT("Invalid param type, except(int/real/vector2/vector/matrix/matrix32/quat/aabb/transform/color)");
+ return false;
+ };
+ return true;
+}
+
+bool Tween::interpolate_property(Node *p_node
+ , String p_property
+ , Variant p_initial_val
+ , Variant p_final_val
+ , real_t p_times_in_sec
+ , TransitionType p_trans_type
+ , EaseType p_ease_type
+ , real_t p_delay
+) {
+ // convert INT to REAL is better for interpolaters
+ if(p_initial_val.get_type() == Variant::INT) p_initial_val = p_initial_val.operator real_t();
+ if(p_final_val.get_type() == Variant::INT) p_final_val = p_final_val.operator real_t();
+
+ ERR_FAIL_COND_V(p_node == NULL, false);
+ ERR_FAIL_COND_V(p_initial_val.get_type() != p_final_val.get_type(), false);
+ ERR_FAIL_COND_V(p_times_in_sec <= 0, false);
+ ERR_FAIL_COND_V(p_trans_type < 0 || p_trans_type >= TRANS_COUNT, false);
+ ERR_FAIL_COND_V(p_ease_type < 0 || p_ease_type >= EASE_COUNT, false);
+ ERR_FAIL_COND_V(p_delay < 0, false);
+
+ bool prop_valid = false;
+ p_node->get(p_property,&prop_valid);
+ ERR_FAIL_COND_V(!prop_valid, false);
+
+ InterpolateData data;
+ data.active = true;
+ data.type = INTER_PROPERTY;
+ data.finish = false;
+ data.elapsed = 0;
+
+ data.path = p_node->get_path();
+ data.key = p_property;
+ data.initial_val = p_initial_val;
+ data.final_val = p_final_val;
+ data.times_in_sec = p_times_in_sec;
+ data.trans_type = p_trans_type;
+ data.ease_type = p_ease_type;
+ data.delay = p_delay;
+
+ if(!_calc_delta_val(data.initial_val, data.final_val, data.delta_val))
+ return false;
+
+ interpolates.push_back(data);
+ return true;
+}
+
+bool Tween::interpolate_method(Node *p_node
+ , String p_method
+ , Variant p_initial_val
+ , Variant p_final_val
+ , real_t p_times_in_sec
+ , TransitionType p_trans_type
+ , EaseType p_ease_type
+ , real_t p_delay
+) {
+ // convert INT to REAL is better for interpolaters
+ if(p_initial_val.get_type() == Variant::INT) p_initial_val = p_initial_val.operator real_t();
+ if(p_final_val.get_type() == Variant::INT) p_final_val = p_final_val.operator real_t();
+
+ ERR_FAIL_COND_V(p_node == NULL, false);
+ ERR_FAIL_COND_V(p_initial_val.get_type() != p_final_val.get_type(), false);
+ ERR_FAIL_COND_V(p_times_in_sec <= 0, false);
+ ERR_FAIL_COND_V(p_trans_type < 0 || p_trans_type >= TRANS_COUNT, false);
+ ERR_FAIL_COND_V(p_ease_type < 0 || p_ease_type >= EASE_COUNT, false);
+ ERR_FAIL_COND_V(p_delay < 0, false);
+
+ ERR_FAIL_COND_V(!p_node->has_method(p_method), false);
+
+ InterpolateData data;
+ data.active = true;
+ data.type = INTER_METHOD;
+ data.finish = false;
+ data.elapsed = 0;
+
+ data.path = p_node->get_path();
+ data.key = p_method;
+ data.initial_val = p_initial_val;
+ data.final_val = p_final_val;
+ data.times_in_sec = p_times_in_sec;
+ data.trans_type = p_trans_type;
+ data.ease_type = p_ease_type;
+ data.delay = p_delay;
+
+ if(!_calc_delta_val(data.initial_val, data.final_val, data.delta_val))
+ return false;
+
+ interpolates.push_back(data);
+ return true;
+}
+
+bool Tween::interpolate_callback(Node *p_node
+ , String p_callback
+ , real_t p_times_in_sec
+ , Variant p_arg
+) {
+
+ ERR_FAIL_COND_V(p_node == NULL, false);
+ ERR_FAIL_COND_V(p_times_in_sec < 0, false);
+
+ ERR_FAIL_COND_V(!p_node->has_method(p_callback), false);
+
+ InterpolateData data;
+ data.active = true;
+ data.type = INTER_CALLBACK;
+ data.finish = false;
+ data.elapsed = 0;
+
+ data.path = p_node->get_path();
+ data.key = p_callback;
+ data.times_in_sec = p_times_in_sec;
+ data.delay = 0;
+ data.arg = p_arg;
+
+ interpolates.push_back(data);
+ return true;
+}
+
+bool Tween::follow_property(Node *p_node
+ , String p_property
+ , Variant p_initial_val
+ , Node *p_target
+ , String p_target_property
+ , real_t p_times_in_sec
+ , TransitionType p_trans_type
+ , EaseType p_ease_type
+ , real_t p_delay
+) {
+ // convert INT to REAL is better for interpolaters
+ if(p_initial_val.get_type() == Variant::INT) p_initial_val = p_initial_val.operator real_t();
+
+ ERR_FAIL_COND_V(p_node == NULL, false);
+ ERR_FAIL_COND_V(p_target == NULL, false);
+ ERR_FAIL_COND_V(p_times_in_sec <= 0, false);
+ ERR_FAIL_COND_V(p_trans_type < 0 || p_trans_type >= TRANS_COUNT, false);
+ ERR_FAIL_COND_V(p_ease_type < 0 || p_ease_type >= EASE_COUNT, false);
+ ERR_FAIL_COND_V(p_delay < 0, false);
+
+ bool prop_valid = false;
+ p_node->get(p_property,&prop_valid);
+ ERR_FAIL_COND_V(!prop_valid, false);
+
+ bool target_prop_valid = false;
+ Variant target_val = p_target->get(p_target_property,&target_prop_valid);
+ ERR_FAIL_COND_V(!target_prop_valid, false);
+
+ // convert INT to REAL is better for interpolaters
+ if(target_val.get_type() == Variant::INT) target_val = target_val.operator real_t();
+ ERR_FAIL_COND_V(target_val.get_type() != p_initial_val.get_type(), false);
+
+ InterpolateData data;
+ data.active = true;
+ data.type = FOLLOW_PROPERTY;
+ data.finish = false;
+ data.elapsed = 0;
+
+ data.path = p_node->get_path();
+ data.key = p_property;
+ data.initial_val = p_initial_val;
+ data.target = p_target->get_path();
+ data.target_key = p_target_property;
+ data.times_in_sec = p_times_in_sec;
+ data.trans_type = p_trans_type;
+ data.ease_type = p_ease_type;
+ data.delay = p_delay;
+
+ interpolates.push_back(data);
+ return true;
+}
+
+bool Tween::follow_method(Node *p_node
+ , String p_method
+ , Variant p_initial_val
+ , Node *p_target
+ , String p_target_method
+ , real_t p_times_in_sec
+ , TransitionType p_trans_type
+ , EaseType p_ease_type
+ , real_t p_delay
+) {
+ // convert INT to REAL is better for interpolaters
+ if(p_initial_val.get_type() == Variant::INT) p_initial_val = p_initial_val.operator real_t();
+
+ ERR_FAIL_COND_V(p_node == NULL, false);
+ ERR_FAIL_COND_V(p_target == NULL, false);
+ ERR_FAIL_COND_V(p_times_in_sec <= 0, false);
+ ERR_FAIL_COND_V(p_trans_type < 0 || p_trans_type >= TRANS_COUNT, false);
+ ERR_FAIL_COND_V(p_ease_type < 0 || p_ease_type >= EASE_COUNT, false);
+ ERR_FAIL_COND_V(p_delay < 0, false);
+
+ ERR_FAIL_COND_V(!p_node->has_method(p_method), false);
+ ERR_FAIL_COND_V(!p_target->has_method(p_target_method), false);
+
+ Variant::CallError error;
+ Variant target_val = p_target->call(p_target_method, NULL, 0, error);
+ ERR_FAIL_COND_V(error.error != Variant::CallError::CALL_OK, false);
+
+ // convert INT to REAL is better for interpolaters
+ if(target_val.get_type() == Variant::INT) target_val = target_val.operator real_t();
+ ERR_FAIL_COND_V(target_val.get_type() != p_initial_val.get_type(), false);
+
+ InterpolateData data;
+ data.active = true;
+ data.type = FOLLOW_METHOD;
+ data.finish = false;
+ data.elapsed = 0;
+
+ data.path = p_node->get_path();
+ data.key = p_method;
+ data.initial_val = p_initial_val;
+ data.target = p_target->get_path();
+ data.target_key = p_target_method;
+ data.times_in_sec = p_times_in_sec;
+ data.trans_type = p_trans_type;
+ data.ease_type = p_ease_type;
+ data.delay = p_delay;
+
+ interpolates.push_back(data);
+ return true;
+}
+
+bool Tween::targeting_property(Node *p_node
+ , String p_property
+ , Node *p_initial
+ , String p_initial_property
+ , Variant p_final_val
+ , real_t p_times_in_sec
+ , TransitionType p_trans_type
+ , EaseType p_ease_type
+ , real_t p_delay
+) {
+ // convert INT to REAL is better for interpolaters
+ if(p_final_val.get_type() == Variant::INT) p_final_val = p_final_val.operator real_t();
+
+ ERR_FAIL_COND_V(p_node == NULL, false);
+ ERR_FAIL_COND_V(p_initial == NULL, false);
+ ERR_FAIL_COND_V(p_times_in_sec <= 0, false);
+ ERR_FAIL_COND_V(p_trans_type < 0 || p_trans_type >= TRANS_COUNT, false);
+ ERR_FAIL_COND_V(p_ease_type < 0 || p_ease_type >= EASE_COUNT, false);
+ ERR_FAIL_COND_V(p_delay < 0, false);
+
+ bool prop_valid = false;
+ p_node->get(p_property,&prop_valid);
+ ERR_FAIL_COND_V(!prop_valid, false);
+
+ bool initial_prop_valid = false;
+ Variant initial_val = p_initial->get(p_initial_property,&initial_prop_valid);
+ ERR_FAIL_COND_V(!initial_prop_valid, false);
+
+ // convert INT to REAL is better for interpolaters
+ if(initial_val.get_type() == Variant::INT) initial_val = initial_val.operator real_t();
+ ERR_FAIL_COND_V(initial_val.get_type() != p_final_val.get_type(), false);
+
+ InterpolateData data;
+ data.active = true;
+ data.type = TARGETING_PROPERTY;
+ data.finish = false;
+ data.elapsed = 0;
+
+ data.path = p_node->get_path();
+ data.key = p_property;
+ data.target = p_initial->get_path();
+ data.target_key = p_initial_property;
+ data.initial_val = initial_val;
+ data.final_val = p_final_val;
+ data.times_in_sec = p_times_in_sec;
+ data.trans_type = p_trans_type;
+ data.ease_type = p_ease_type;
+ data.delay = p_delay;
+
+ if(!_calc_delta_val(data.initial_val, data.final_val, data.delta_val))
+ return false;
+
+ interpolates.push_back(data);
+ return true;
+}
+
+
+bool Tween::targeting_method(Node *p_node
+ , String p_method
+ , Node *p_initial
+ , String p_initial_method
+ , Variant p_final_val
+ , real_t p_times_in_sec
+ , TransitionType p_trans_type
+ , EaseType p_ease_type
+ , real_t p_delay
+) {
+ // convert INT to REAL is better for interpolaters
+ if(p_final_val.get_type() == Variant::INT) p_final_val = p_final_val.operator real_t();
+
+ ERR_FAIL_COND_V(p_node == NULL, false);
+ ERR_FAIL_COND_V(p_initial == NULL, false);
+ ERR_FAIL_COND_V(p_times_in_sec <= 0, false);
+ ERR_FAIL_COND_V(p_trans_type < 0 || p_trans_type >= TRANS_COUNT, false);
+ ERR_FAIL_COND_V(p_ease_type < 0 || p_ease_type >= EASE_COUNT, false);
+ ERR_FAIL_COND_V(p_delay < 0, false);
+
+ ERR_FAIL_COND_V(!p_node->has_method(p_method), false);
+ ERR_FAIL_COND_V(!p_initial->has_method(p_initial_method), false);
+
+ Variant::CallError error;
+ Variant initial_val = p_initial->call(p_initial_method, NULL, 0, error);
+ ERR_FAIL_COND_V(error.error != Variant::CallError::CALL_OK, false);
+
+ // convert INT to REAL is better for interpolaters
+ if(initial_val.get_type() == Variant::INT) initial_val = initial_val.operator real_t();
+ ERR_FAIL_COND_V(initial_val.get_type() != p_final_val.get_type(), false);
+
+ InterpolateData data;
+ data.active = true;
+ data.type = TARGETING_METHOD;
+ data.finish = false;
+ data.elapsed = 0;
+
+ data.path = p_node->get_path();
+ data.key = p_method;
+ data.target = p_initial->get_path();
+ data.target_key = p_initial_method;
+ data.initial_val = initial_val;
+ data.final_val = p_final_val;
+ data.times_in_sec = p_times_in_sec;
+ data.trans_type = p_trans_type;
+ data.ease_type = p_ease_type;
+ data.delay = p_delay;
+
+ if(!_calc_delta_val(data.initial_val, data.final_val, data.delta_val))
+ return false;
+
+ interpolates.push_back(data);
+ return true;
+}
+
+Tween::Tween() {
+
+ //String autoplay;
+ tween_process_mode=TWEEN_PROCESS_IDLE;
+ processing=false;
+ active=false;
+ repeat=false;
+ speed_scale=1;
+}
+
+Tween::~Tween() {
+
+}
diff --git a/scene/animation/tween.h b/scene/animation/tween.h
new file mode 100644
index 0000000000..51d5fc9132
--- /dev/null
+++ b/scene/animation/tween.h
@@ -0,0 +1,239 @@
+/*************************************************************************/
+/* tween.h */
+/*************************************************************************/
+/* This file is part of: */
+/* GODOT ENGINE */
+/* http://www.godotengine.org */
+/*************************************************************************/
+/* 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. */
+/*************************************************************************/
+#ifndef TWEEN_H
+#define TWEEN_H
+
+#include "scene/main/node.h"
+
+
+class Tween : public Node {
+
+ OBJ_TYPE( Tween, Node );
+
+public:
+ enum TweenProcessMode {
+ TWEEN_PROCESS_FIXED,
+ TWEEN_PROCESS_IDLE,
+ };
+
+ enum TransitionType {
+ TRANS_LINEAR,
+ TRANS_SINE,
+ TRANS_QUINT,
+ TRANS_QUART,
+ TRANS_QUAD,
+ TRANS_EXPO,
+ TRANS_ELASTIC,
+ TRANS_CUBIC,
+ TRANS_CIRC,
+ TRANS_BOUNCE,
+ TRANS_BACK,
+
+ TRANS_COUNT,
+ };
+
+ enum EaseType {
+ EASE_IN,
+ EASE_OUT,
+ EASE_IN_OUT,
+ EASE_OUT_IN,
+
+ EASE_COUNT,
+ };
+
+private:
+ enum InterpolateType {
+
+ INTER_PROPERTY,
+ INTER_METHOD,
+ FOLLOW_PROPERTY,
+ FOLLOW_METHOD,
+ TARGETING_PROPERTY,
+ TARGETING_METHOD,
+ INTER_CALLBACK,
+ };
+
+ struct InterpolateData {
+ bool active;
+ InterpolateType type;
+ bool finish;
+ real_t elapsed;
+ NodePath path;
+ StringName key;
+ Variant initial_val;
+ Variant delta_val;
+ Variant final_val;
+ NodePath target;
+ StringName target_key;
+ real_t times_in_sec;
+ TransitionType trans_type;
+ EaseType ease_type;
+ real_t delay;
+ Variant arg;
+ };
+
+ String autoplay;
+ TweenProcessMode tween_process_mode;
+ bool processing;
+ bool active;
+ bool repeat;
+ float speed_scale;
+
+ List<InterpolateData> interpolates;
+
+ typedef real_t (*interpolater)(real_t t, real_t b, real_t c, real_t d);
+ static interpolater interpolaters[TRANS_COUNT][EASE_COUNT];
+
+ real_t _run_equation(TransitionType p_trans_type, EaseType p_ease_type, real_t t, real_t b, real_t c, real_t d);
+ Variant& _get_delta_val(InterpolateData& p_data);
+ Variant& _get_initial_val(InterpolateData& p_data);
+ Variant _run_equation(InterpolateData& p_data);
+ bool _calc_delta_val(const Variant& p_initial_val, const Variant& p_final_val, Variant& p_delta_val);
+ bool _apply_tween_value(InterpolateData& p_data, Variant& value);
+
+ void _tween_process(float p_delta);
+ void _set_process(bool p_process,bool p_force=false);
+
+protected:
+
+ bool _set(const StringName& p_name, const Variant& p_value);
+ bool _get(const StringName& p_name,Variant &r_ret) const;
+ void _get_property_list(List<PropertyInfo> *p_list) const;
+ void _notification(int p_what);
+
+ static void _bind_methods();
+
+public:
+
+ bool is_active() const;
+ void set_active(bool p_active);
+
+ bool is_repeat() const;
+ void set_repeat(bool p_repeat);
+
+ void set_tween_process_mode(TweenProcessMode p_mode);
+ TweenProcessMode get_tween_process_mode() const;
+
+ void set_speed(float p_speed);
+ float get_speed() const;
+
+ bool start();
+ bool reset(Node *p_node, String p_key);
+ bool reset_all();
+ bool stop(Node *p_node, String p_key);
+ bool stop_all();
+ bool resume(Node *p_node, String p_key);
+ bool resume_all();
+ bool remove(Node *p_node, String p_key);
+ bool remove_all();
+
+ bool seek(real_t p_time);
+ real_t tell() const;
+ real_t get_runtime() const;
+
+ bool interpolate_property(Node *p_node
+ , String p_property
+ , Variant p_initial_val
+ , Variant p_final_val
+ , real_t p_times_in_sec
+ , TransitionType p_trans_type
+ , EaseType p_ease_type
+ , real_t p_delay = 0
+ );
+
+ bool interpolate_method(Node *p_node
+ , String p_method
+ , Variant p_initial_val
+ , Variant p_final_val
+ , real_t p_times_in_sec
+ , TransitionType p_trans_type
+ , EaseType p_ease_type
+ , real_t p_delay = 0
+ );
+
+ bool interpolate_callback(Node *p_node
+ , String p_callback
+ , real_t p_times_in_sec
+ , Variant p_arg = Variant()
+ );
+
+ bool follow_property(Node *p_node
+ , String p_property
+ , Variant p_initial_val
+ , Node *p_target
+ , String p_target_property
+ , real_t p_times_in_sec
+ , TransitionType p_trans_type
+ , EaseType p_ease_type
+ , real_t p_delay = 0
+ );
+
+ bool follow_method(Node *p_node
+ , String p_method
+ , Variant p_initial_val
+ , Node *p_target
+ , String p_target_method
+ , real_t p_times_in_sec
+ , TransitionType p_trans_type
+ , EaseType p_ease_type
+ , real_t p_delay = 0
+ );
+
+ bool targeting_property(Node *p_node
+ , String p_property
+ , Node *p_initial
+ , String p_initial_property
+ , Variant p_final_val
+ , real_t p_times_in_sec
+ , TransitionType p_trans_type
+ , EaseType p_ease_type
+ , real_t p_delay = 0
+ );
+
+ bool targeting_method(Node *p_node
+ , String p_method
+ , Node *p_initial
+ , String p_initial_method
+ , Variant p_final_val
+ , real_t p_times_in_sec
+ , TransitionType p_trans_type
+ , EaseType p_ease_type
+ , real_t p_delay = 0
+ );
+
+ Tween();
+ ~Tween();
+};
+
+VARIANT_ENUM_CAST( Tween::TweenProcessMode );
+VARIANT_ENUM_CAST( Tween::TransitionType );
+VARIANT_ENUM_CAST( Tween::EaseType );
+
+#endif
+
diff --git a/scene/animation/tween_interpolaters.cpp b/scene/animation/tween_interpolaters.cpp
new file mode 100644
index 0000000000..7d0f2cd4e0
--- /dev/null
+++ b/scene/animation/tween_interpolaters.cpp
@@ -0,0 +1,407 @@
+/*************************************************************************/
+/* tween.cpp */
+/*************************************************************************/
+/* This file is part of: */
+/* GODOT ENGINE */
+/* http://www.godotengine.org */
+/*************************************************************************/
+/* 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 "tween.h"
+
+const real_t pi = 3.1415926535898;
+
+///////////////////////////////////////////////////////////////////////////
+// linear
+///////////////////////////////////////////////////////////////////////////
+namespace linear {
+ static real_t in(real_t t, real_t b, real_t c, real_t d)
+ {
+ return c * t / d + b;
+ }
+
+ static real_t out(real_t t, real_t b, real_t c, real_t d)
+ {
+ return c * t / d + b;
+ }
+
+ static real_t in_out(real_t t, real_t b, real_t c, real_t d)
+ {
+ return c * t / d + b;
+ }
+
+ static real_t out_in(real_t t, real_t b, real_t c, real_t d)
+ {
+ return c * t / d + b;
+ }
+};
+///////////////////////////////////////////////////////////////////////////
+// sine
+///////////////////////////////////////////////////////////////////////////
+namespace sine {
+ static real_t in(real_t t, real_t b, real_t c, real_t d)
+ {
+ return -c * cos(t / d * (pi / 2)) + c + b;
+ }
+
+ static real_t out(real_t t, real_t b, real_t c, real_t d)
+ {
+ return c * sin(t / d * (pi / 2)) + b;
+ }
+
+ static real_t in_out(real_t t, real_t b, real_t c, real_t d)
+ {
+ return -c / 2 * (cos(pi * t / d) - 1) + b;
+ }
+
+ static real_t out_in(real_t t, real_t b, real_t c, real_t d)
+ {
+ return (t < d / 2)
+ ? out(t * 2, b, c / 2, d)
+ : in((t * 2) - d, b + c / 2, c / 2, d)
+ ;
+ }
+};
+///////////////////////////////////////////////////////////////////////////
+// quint
+///////////////////////////////////////////////////////////////////////////
+namespace quint {
+ static real_t in(real_t t, real_t b, real_t c, real_t d)
+ {
+ return c * pow(t / d, 5) + b;
+ }
+
+ static real_t out(real_t t, real_t b, real_t c, real_t d)
+ {
+ return c * (pow(t / d - 1, 5) + 1) + b;
+ }
+
+ static real_t in_out(real_t t, real_t b, real_t c, real_t d)
+ {
+ t = t / d * 2;
+ if (t < 1) return c / 2 * pow(t, 5) + b;
+ return c / 2 * (pow(t - 2, 5) + 2) + b;
+ }
+
+ static real_t out_in(real_t t, real_t b, real_t c, real_t d)
+ {
+ return (t < d / 2)
+ ? out(t * 2, b, c / 2, d)
+ : in((t * 2) - d, b + c / 2, c / 2, d)
+ ;
+ }
+};
+///////////////////////////////////////////////////////////////////////////
+// quart
+///////////////////////////////////////////////////////////////////////////
+namespace quart {
+ static real_t in(real_t t, real_t b, real_t c, real_t d)
+ {
+ return c * pow(t / d, 4) + b;
+ }
+
+ static real_t out(real_t t, real_t b, real_t c, real_t d)
+ {
+ return -c * (pow(t / d - 1, 4) - 1) + b;
+ }
+
+ static real_t in_out(real_t t, real_t b, real_t c, real_t d)
+ {
+ t = t / d * 2;
+ if (t < 1) return c / 2 * pow(t, 4) + b;
+ return -c / 2 * (pow(t - 2, 4) - 2) + b;
+ }
+
+ static real_t out_in(real_t t, real_t b, real_t c, real_t d)
+ {
+ return (t < d / 2)
+ ? out(t * 2, b, c / 2, d)
+ : in((t * 2) - d, b + c / 2, c / 2, d)
+ ;
+ }
+};
+///////////////////////////////////////////////////////////////////////////
+// quad
+///////////////////////////////////////////////////////////////////////////
+namespace quad {
+ static real_t in(real_t t, real_t b, real_t c, real_t d)
+ {
+ return c * pow(t / d, 2) + b;
+ }
+
+ static real_t out(real_t t, real_t b, real_t c, real_t d)
+ {
+ t = t / d;
+ return -c * t * (t - 2) + b;
+ }
+
+ static real_t in_out(real_t t, real_t b, real_t c, real_t d)
+ {
+ t = t / d * 2;
+ if (t < 1) return c / 2 * pow(t, 2) + b;
+ return -c / 2 * ((t - 1) * (t - 3) - 1) + b;
+ }
+
+ static real_t out_in(real_t t, real_t b, real_t c, real_t d)
+ {
+ return (t < d / 2)
+ ? out(t * 2, b, c / 2, d)
+ : in((t * 2) - d, b + c / 2, c / 2, d)
+ ;
+ }
+};
+///////////////////////////////////////////////////////////////////////////
+// expo
+///////////////////////////////////////////////////////////////////////////
+namespace expo {
+ static real_t in(real_t t, real_t b, real_t c, real_t d)
+ {
+ if (t == 0) return b;
+ return c * pow(2, 10 * (t / d - 1)) + b - c * 0.001;
+ }
+
+ static real_t out(real_t t, real_t b, real_t c, real_t d)
+ {
+ if (t == d) return b + c;
+ return c * 1.001 * (-pow(2, -10 * t / d) + 1) + b;
+ }
+
+ static real_t in_out(real_t t, real_t b, real_t c, real_t d)
+ {
+ if (t == 0) return b;
+ if (t == d) return b + c;
+ t = t / d * 2;
+ if (t < 1) return c / 2 * pow(2, 10 * (t - 1)) + b - c * 0.0005;
+ return c / 2 * 1.0005 * (-pow(2, -10 * (t - 1)) + 2) + b;
+ }
+
+ static real_t out_in(real_t t, real_t b, real_t c, real_t d)
+ {
+ return (t < d / 2)
+ ? out(t * 2, b, c / 2, d)
+ : in((t * 2) - d, b + c / 2, c / 2, d)
+ ;
+ }
+};
+///////////////////////////////////////////////////////////////////////////
+// elastic
+///////////////////////////////////////////////////////////////////////////
+namespace elastic {
+ static real_t in(real_t t, real_t b, real_t c, real_t d)
+ {
+ if (t == 0) return b;
+ if ((t /= d) == 1) return b + c;
+ float p = d * 0.3f;
+ float a = c;
+ float s = p / 4;
+ float postFix = a * pow(2,10 * (t -= 1)); // this is a fix, again, with post-increment operators
+ return -(postFix * sin((t * d - s) * (2 * pi) / p )) + b;
+ }
+
+ static real_t out(real_t t, real_t b, real_t c, real_t d)
+ {
+ if (t == 0) return b;
+ if ((t /= d) == 1) return b + c;
+ float p = d * 0.3f;
+ float a = c;
+ float s = p / 4;
+ return (a * pow(2, -10 * t) * sin((t * d - s) * (2 * pi) / p ) + c + b);
+ }
+
+ static real_t in_out(real_t t, real_t b, real_t c, real_t d)
+ {
+ if (t == 0) return b;
+ if ((t /= d / 2) == 2) return b + c;
+ float p = d * (0.3f * 1.5f);
+ float a = c;
+ float s = p / 4;
+
+ if (t < 1) {
+ float postFix = a * pow(2, 10 * (t -= 1)); // postIncrement is evil
+ return -0.5f * (postFix * sin((t * d - s) * (2 * pi) / p)) + b;
+ }
+ float postFix = a * pow(2, -10 * (t -= 1)); // postIncrement is evil
+ return postFix * sin((t * d - s) * (2 * pi) / p ) * 0.5f + c + b;
+ }
+
+ static real_t out_in(real_t t, real_t b, real_t c, real_t d)
+ {
+ return (t < d / 2)
+ ? out(t * 2, b, c / 2, d)
+ : in((t * 2) - d, b + c / 2, c / 2, d)
+ ;
+ }
+};
+///////////////////////////////////////////////////////////////////////////
+// cubic
+///////////////////////////////////////////////////////////////////////////
+namespace cubic {
+ static real_t in(real_t t, real_t b, real_t c, real_t d)
+ {
+ return c * (t /= d) * t * t + b;
+ }
+
+ static real_t out(real_t t, real_t b, real_t c, real_t d)
+ {
+ return c * ((t = t / d - 1) * t * t + 1) + b;
+ }
+
+ static real_t in_out(real_t t, real_t b, real_t c, real_t d)
+ {
+ if ((t /= d / 2) < 1) return c / 2 * t * t * t + b;
+ return c / 2 * ((t -= 2) * t * t + 2) + b;
+ }
+
+ static real_t out_in(real_t t, real_t b, real_t c, real_t d)
+ {
+ return (t < d / 2)
+ ? out(t * 2, b, c / 2, d)
+ : in((t * 2) - d, b + c / 2, c / 2, d)
+ ;
+ }
+};
+///////////////////////////////////////////////////////////////////////////
+// circ
+///////////////////////////////////////////////////////////////////////////
+namespace circ {
+ static real_t in(real_t t, real_t b, real_t c, real_t d)
+ {
+ return -c * (sqrt(1 - (t /= d) * t) - 1) + b;
+ }
+
+ static real_t out(real_t t, real_t b, real_t c, real_t d)
+ {
+ return c * sqrt(1 - (t = t / d - 1) * t) + b;
+ }
+
+ static real_t in_out(real_t t, real_t b, real_t c, real_t d)
+ {
+ if ((t /= d / 2) < 1) return -c / 2 * (sqrt(1 - t * t) - 1) + b;
+ return c / 2 * (sqrt(1 - t * (t -= 2)) + 1) + b;
+ }
+
+ static real_t out_in(real_t t, real_t b, real_t c, real_t d)
+ {
+ return (t < d / 2)
+ ? out(t * 2, b, c / 2, d)
+ : in((t * 2) - d, b + c / 2, c / 2, d)
+ ;
+ }
+};
+///////////////////////////////////////////////////////////////////////////
+// bounce
+///////////////////////////////////////////////////////////////////////////
+namespace bounce {
+ static real_t out(real_t t, real_t b, real_t c, real_t d);
+
+ static real_t in(real_t t, real_t b, real_t c, real_t d)
+ {
+ return c - out(d - t, 0, c, d) + b;
+ }
+
+ static real_t out(real_t t, real_t b, real_t c, real_t d)
+ {
+ if ((t /= d) < (1 / 2.75f)) {
+ return c*(7.5625f*t*t) + b;
+ } else if (t < (2/2.75f)) {
+ float postFix = t-=(1.5f/2.75f);
+ return c*(7.5625f*(postFix)*t + .75f) + b;
+ } else if (t < (2.5/2.75)) {
+ float postFix = t-=(2.25f/2.75f);
+ return c*(7.5625f*(postFix)*t + .9375f) + b;
+ } else {
+ float postFix = t-=(2.625f/2.75f);
+ return c*(7.5625f*(postFix)*t + .984375f) + b;
+ }
+ }
+
+ static real_t in_out(real_t t, real_t b, real_t c, real_t d)
+ {
+ return (t < d / 2)
+ ? in(t * 2, b, c / 2, d)
+ : out((t * 2) - d, b + c / 2, c / 2, d)
+ ;
+ }
+
+ static real_t out_in(real_t t, real_t b, real_t c, real_t d)
+ {
+ return (t < d / 2)
+ ? out(t * 2, b, c / 2, d)
+ : in((t * 2) - d, b + c / 2, c / 2, d)
+ ;
+ }
+};
+///////////////////////////////////////////////////////////////////////////
+// back
+///////////////////////////////////////////////////////////////////////////
+namespace back {
+ static real_t in(real_t t, real_t b, real_t c, real_t d)
+ {
+ float s = 1.70158f;
+ float postFix = t /= d;
+ return c * (postFix) * t * ((s + 1) * t - s) + b;
+ }
+
+ static real_t out(real_t t, real_t b, real_t c, real_t d)
+ {
+ float s = 1.70158f;
+ return c * ((t = t / d- 1) * t * ((s + 1) * t + s) + 1) + b;
+ }
+
+ static real_t in_out(real_t t, real_t b, real_t c, real_t d)
+ {
+ float s = 1.70158f;
+ if ((t /= d / 2) < 1) return c / 2 * (t * t * (((s *= (1.525f)) + 1) * t - s)) + b;
+ float postFix = t -= 2;
+ return c / 2 * ((postFix) * t * (((s *= (1.525f)) + 1) * t + s) + 2) + b;
+ }
+
+ static real_t out_in(real_t t, real_t b, real_t c, real_t d)
+ {
+ return (t < d / 2)
+ ? out(t * 2, b, c / 2, d)
+ : in((t * 2) - d, b + c / 2, c / 2, d)
+ ;
+ }
+};
+
+Tween::interpolater Tween::interpolaters[Tween::TRANS_COUNT][Tween::EASE_COUNT] = {
+ { &linear::in, &linear::out, &linear::in_out, &linear::out_in },
+ { &sine::in, &sine::out, &sine::in_out, &sine::out_in },
+ { &quint::in, &quint::out, &quint::in_out, &quint::out_in },
+ { &quart::in, &quart::out, &quart::in_out, &quart::out_in },
+ { &quad::in, &quad::out, &quad::in_out, &quad::out_in },
+ { &expo::in, &expo::out, &expo::in_out, &expo::out_in },
+ { &elastic::in, &elastic::out, &elastic::in_out, &elastic::out_in },
+ { &cubic::in, &cubic::out, &cubic::in_out, &cubic::out_in },
+ { &circ::in, &circ::out, &circ::in_out, &circ::out_in },
+ { &bounce::in, &bounce::out, &bounce::in_out, &bounce::out_in },
+ { &back::in, &back::out, &back::in_out, &back::out_in },
+};
+
+real_t Tween::_run_equation(TransitionType p_trans_type, EaseType p_ease_type, real_t t, real_t b, real_t c, real_t d) {
+
+ interpolater cb = interpolaters[p_trans_type][p_ease_type];
+ ERR_FAIL_COND_V(cb == NULL, b);
+ return cb(t, b, c, d);
+}
+
generated by cgit v1.2.3 (git 2.25.1) at 2025-03-01 10:10:26 +0000