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/*************************************************************************/
/* tween.h */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2020 Godot Engine contributors (cf. AUTHORS.md). */
/* */
/* 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 {
GDCLASS(Tween, Node);
public:
enum TweenProcessMode {
TWEEN_PROCESS_PHYSICS,
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;
bool call_deferred;
real_t elapsed;
ObjectID id;
Vector<StringName> key;
StringName concatenated_key;
Variant initial_val;
Variant delta_val;
Variant final_val;
ObjectID target_id;
Vector<StringName> target_key;
real_t duration;
TransitionType trans_type;
EaseType ease_type;
real_t delay;
int args;
Variant arg[5];
int uid;
InterpolateData() {
active = false;
finish = false;
call_deferred = false;
uid = 0;
}
};
String autoplay;
TweenProcessMode tween_process_mode;
bool repeat;
float speed_scale;
mutable int pending_update;
int uid;
List<InterpolateData> interpolates;
struct PendingCommand {
StringName key;
int args;
Variant arg[10];
};
List<PendingCommand> pending_commands;
void _add_pending_command(StringName p_key, const Variant &p_arg1 = Variant(), const Variant &p_arg2 = Variant(), const Variant &p_arg3 = Variant(), const Variant &p_arg4 = Variant(), const Variant &p_arg5 = Variant(), const Variant &p_arg6 = Variant(), const Variant &p_arg7 = Variant(), const Variant &p_arg8 = Variant(), const Variant &p_arg9 = Variant(), const Variant &p_arg10 = Variant());
void _process_pending_commands();
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(const InterpolateData &p_data) const;
Variant _get_final_val(const InterpolateData &p_data) const;
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 _remove_by_uid(int uid);
void _push_interpolate_data(InterpolateData &p_data);
void _build_interpolation(InterpolateType p_interpolation_type, Object *p_object, NodePath *p_property, StringName *p_method, Variant p_initial_val, Variant p_final_val, real_t p_duration, TransitionType p_trans_type, EaseType p_ease_type, real_t p_delay);
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_scale(float p_speed);
float get_speed_scale() const;
void start();
void reset(Object *p_object, StringName p_key);
void reset_all();
void stop(Object *p_object, StringName p_key);
void stop_all();
void resume(Object *p_object, StringName p_key);
void resume_all();
void remove(Object *p_object, StringName p_key);
void remove_all();
void seek(real_t p_time);
real_t tell() const;
real_t get_runtime() const;
void interpolate_property(Object *p_object, NodePath p_property, Variant p_initial_val, Variant p_final_val, real_t p_duration, TransitionType p_trans_type = TRANS_LINEAR, EaseType p_ease_type = EASE_IN_OUT, real_t p_delay = 0);
void interpolate_method(Object *p_object, StringName p_method, Variant p_initial_val, Variant p_final_val, real_t p_duration, TransitionType p_trans_type = TRANS_LINEAR, EaseType p_ease_type = EASE_IN_OUT, real_t p_delay = 0);
void interpolate_callback(Object *p_object, real_t p_duration, String p_callback, VARIANT_ARG_DECLARE);
void interpolate_deferred_callback(Object *p_object, real_t p_duration, String p_callback, VARIANT_ARG_DECLARE);
void follow_property(Object *p_object, NodePath p_property, Variant p_initial_val, Object *p_target, NodePath p_target_property, real_t p_duration, TransitionType p_trans_type = TRANS_LINEAR, EaseType p_ease_type = EASE_IN_OUT, real_t p_delay = 0);
void follow_method(Object *p_object, StringName p_method, Variant p_initial_val, Object *p_target, StringName p_target_method, real_t p_duration, TransitionType p_trans_type = TRANS_LINEAR, EaseType p_ease_type = EASE_IN_OUT, real_t p_delay = 0);
void targeting_property(Object *p_object, NodePath p_property, Object *p_initial, NodePath p_initial_property, Variant p_final_val, real_t p_duration, TransitionType p_trans_type = TRANS_LINEAR, EaseType p_ease_type = EASE_IN_OUT, real_t p_delay = 0);
void targeting_method(Object *p_object, StringName p_method, Object *p_initial, StringName p_initial_method, Variant p_final_val, real_t p_duration, TransitionType p_trans_type = TRANS_LINEAR, EaseType p_ease_type = EASE_IN_OUT, real_t p_delay = 0);
Tween();
~Tween();
};
VARIANT_ENUM_CAST(Tween::TweenProcessMode);
VARIANT_ENUM_CAST(Tween::TransitionType);
VARIANT_ENUM_CAST(Tween::EaseType);
#endif
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