197 lines
7.1 KiB
C++
197 lines
7.1 KiB
C++
/*************************************************************************/
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/* tween.h */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2020 Godot Engine contributors (cf. AUTHORS.md). */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#ifndef TWEEN_H
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#define TWEEN_H
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#include "scene/main/node.h"
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class Tween : public Node {
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OBJ_TYPE(Tween, Node);
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public:
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enum TweenProcessMode {
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TWEEN_PROCESS_FIXED,
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TWEEN_PROCESS_IDLE,
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};
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enum TransitionType {
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TRANS_LINEAR,
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TRANS_SINE,
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TRANS_QUINT,
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TRANS_QUART,
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TRANS_QUAD,
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TRANS_EXPO,
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TRANS_ELASTIC,
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TRANS_CUBIC,
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TRANS_CIRC,
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TRANS_BOUNCE,
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TRANS_BACK,
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TRANS_COUNT,
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};
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enum EaseType {
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EASE_IN,
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EASE_OUT,
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EASE_IN_OUT,
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EASE_OUT_IN,
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EASE_COUNT,
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};
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private:
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enum InterpolateType {
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INTER_PROPERTY,
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INTER_METHOD,
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FOLLOW_PROPERTY,
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FOLLOW_METHOD,
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TARGETING_PROPERTY,
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TARGETING_METHOD,
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INTER_CALLBACK,
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};
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struct InterpolateData {
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bool active;
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InterpolateType type;
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bool finish;
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bool call_deferred;
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real_t elapsed;
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ObjectID id;
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StringName key;
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Variant initial_val;
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Variant delta_val;
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Variant final_val;
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ObjectID target_id;
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StringName target_key;
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real_t times_in_sec;
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TransitionType trans_type;
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EaseType ease_type;
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real_t delay;
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int args;
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Variant arg[5];
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};
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String autoplay;
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TweenProcessMode tween_process_mode;
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bool processing;
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bool active;
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bool repeat;
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float speed_scale;
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mutable int pending_update;
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List<InterpolateData> interpolates;
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struct PendingCommand {
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StringName key;
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int args;
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Variant arg[10];
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};
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List<PendingCommand> pending_commands;
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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());
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void _process_pending_commands();
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typedef real_t (*interpolater)(real_t t, real_t b, real_t c, real_t d);
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static interpolater interpolaters[TRANS_COUNT][EASE_COUNT];
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real_t _run_equation(TransitionType p_trans_type, EaseType p_ease_type, real_t t, real_t b, real_t c, real_t d);
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Variant &_get_delta_val(InterpolateData &p_data);
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Variant &_get_initial_val(InterpolateData &p_data);
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Variant _run_equation(InterpolateData &p_data);
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bool _calc_delta_val(const Variant &p_initial_val, const Variant &p_final_val, Variant &p_delta_val);
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bool _apply_tween_value(InterpolateData &p_data, Variant &value);
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void _tween_process(float p_delta);
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void _set_process(bool p_process, bool p_force = false);
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protected:
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bool _set(const StringName &p_name, const Variant &p_value);
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bool _get(const StringName &p_name, Variant &r_ret) const;
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void _get_property_list(List<PropertyInfo> *p_list) const;
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void _notification(int p_what);
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static void _bind_methods();
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public:
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bool is_active() const;
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void set_active(bool p_active);
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bool is_repeat() const;
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void set_repeat(bool p_repeat);
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void set_tween_process_mode(TweenProcessMode p_mode);
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TweenProcessMode get_tween_process_mode() const;
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void set_speed(float p_speed);
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float get_speed() const;
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bool start();
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bool reset(Object *p_node, String p_key);
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bool reset_all();
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bool stop(Object *p_node, String p_key);
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bool stop_all();
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bool resume(Object *p_node, String p_key);
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bool resume_all();
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bool remove(Object *p_node, String p_key);
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bool remove_all();
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bool seek(real_t p_time);
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real_t tell() const;
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real_t get_runtime() const;
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bool interpolate_property(Object *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);
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bool interpolate_method(Object *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);
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bool interpolate_callback(Object *p_object, real_t p_times_in_sec, String p_callback, VARIANT_ARG_DECLARE);
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bool interpolate_deferred_callback(Object *p_object, real_t p_times_in_sec, String p_callback, VARIANT_ARG_DECLARE);
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bool follow_property(Object *p_node, String p_property, Variant p_initial_val, Object *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);
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bool follow_method(Object *p_node, String p_method, Variant p_initial_val, Object *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);
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bool targeting_property(Object *p_node, String p_property, Object *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);
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bool targeting_method(Object *p_node, String p_method, Object *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);
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Tween();
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~Tween();
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};
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VARIANT_ENUM_CAST(Tween::TweenProcessMode);
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VARIANT_ENUM_CAST(Tween::TransitionType);
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VARIANT_ENUM_CAST(Tween::EaseType);
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#endif
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