/*************************************************************************/ /* 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; bool call_deferred; real_t elapsed; ObjectID id; StringName key; Variant initial_val; Variant delta_val; Variant final_val; ObjectID target_id; StringName target_key; real_t times_in_sec; TransitionType trans_type; EaseType ease_type; real_t delay; int args; Variant arg[5]; }; String autoplay; TweenProcessMode tween_process_mode; bool processing; bool active; bool repeat; float speed_scale; mutable int pending_update; List 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 *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(Object *p_node, String p_key); bool reset_all(); bool stop(Object *p_node, String p_key); bool stop_all(); bool resume(Object *p_node, String p_key); bool resume_all(); bool remove(Object *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(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 ); 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 ); bool interpolate_callback(Object *p_object , real_t p_times_in_sec , String p_callback , VARIANT_ARG_DECLARE ); bool interpolate_deferred_callback(Object *p_object , real_t p_times_in_sec , String p_callback , VARIANT_ARG_DECLARE ); 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 ); 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 ); 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 ); 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 ); Tween(); ~Tween(); }; VARIANT_ENUM_CAST( Tween::TweenProcessMode ); VARIANT_ENUM_CAST( Tween::TransitionType ); VARIANT_ENUM_CAST( Tween::EaseType ); #endif