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/*************************************************************************/
/* 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
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