text: /*************************************************************************/
  /*  visual_script_builtin_funcs.h                                        */
  /*************************************************************************/
  /*                       This file is part of:                           */
  /*                           GODOT ENGINE                                */
  /*                      https://godotengine.org                          */
  /*************************************************************************/
  /* Copyright (c) 2007-2019 Juan Linietsky, Ariel Manzur.                 */
  /* Copyright (c) 2014-2019 Godot Engine contributors (cf. AUTHORS.md)    */
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  /* a copy of this software and associated documentation files (the       */
  /* "Software"), to deal in the Software without restriction, including   */
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  /* included in all copies or substantial portions of the Software.       */
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  /*************************************************************************/
  
  #ifndef VISUAL_SCRIPT_BUILTIN_FUNCS_H
  #define VISUAL_SCRIPT_BUILTIN_FUNCS_H
  
  #include "visual_script.h"
  
  class VisualScriptBuiltinFunc : public VisualScriptNode {
  
  	GDCLASS(VisualScriptBuiltinFunc, VisualScriptNode);
  
  public:
  	enum BuiltinFunc {
  		MATH_SIN,
  		MATH_COS,
  		MATH_TAN,
  		MATH_SINH,
  		MATH_COSH,
  		MATH_TANH,
  		MATH_ASIN,
  		MATH_ACOS,
  		MATH_ATAN,
  		MATH_ATAN2,
  		MATH_SQRT,
  		MATH_FMOD,
  		MATH_FPOSMOD,
  		MATH_FLOOR,
  		MATH_CEIL,
  		MATH_ROUND,
  		MATH_ABS,
  		MATH_SIGN,
  		MATH_POW,
  		MATH_LOG,
  		MATH_EXP,
  		MATH_ISNAN,
  		MATH_ISINF,
  		MATH_EASE,
  		MATH_DECIMALS,
  		MATH_STEPIFY,
  		MATH_LERP,
  		MATH_INVERSE_LERP,
  		MATH_RANGE_LERP,
  		MATH_MOVE_TOWARD,
  		MATH_DECTIME,
  		MATH_RANDOMIZE,
  		MATH_RAND,
  		MATH_RANDF,
  		MATH_RANDOM,
  		MATH_SEED,
  		MATH_RANDSEED,
  		MATH_DEG2RAD,
  		MATH_RAD2DEG,
  		MATH_LINEAR2DB,
  		MATH_DB2LINEAR,
  		MATH_POLAR2CARTESIAN,
  		MATH_CARTESIAN2POLAR,
  		MATH_WRAP,
  		MATH_WRAPF,
  		LOGIC_MAX,
  		LOGIC_MIN,
  		LOGIC_CLAMP,
  		LOGIC_NEAREST_PO2,
  		OBJ_WEAKREF,
  		FUNC_FUNCREF,
  		TYPE_CONVERT,
  		TYPE_OF,
  		TYPE_EXISTS,
  		TEXT_CHAR,
  		TEXT_STR,
  		TEXT_PRINT,
  		TEXT_PRINTERR,
  		TEXT_PRINTRAW,
  		VAR_TO_STR,
  		STR_TO_VAR,
  		VAR_TO_BYTES,
  		BYTES_TO_VAR,
  		COLORN,
  		MATH_SMOOTHSTEP,
  		MATH_POSMOD,
  		FUNC_MAX
  	};
  
  	static int get_func_argument_count(BuiltinFunc p_func);
  	static String get_func_name(BuiltinFunc p_func);
  	static void exec_func(BuiltinFunc p_func, const Variant **p_inputs, Variant *r_return, Variant::CallError &r_error, String &r_error_str);
  	static BuiltinFunc find_function(const String &p_string);
  
  private:
  	static const char *func_name[FUNC_MAX];
  	BuiltinFunc func;
  
  protected:
  	static void _bind_methods();
  
  public:
  	virtual int get_output_sequence_port_count() const;
  	virtual bool has_input_sequence_port() const;
  
  	virtual String get_output_sequence_port_text(int p_port) const;
  
  	virtual int get_input_value_port_count() const;
  	virtual int get_output_value_port_count() const;
  
  	virtual PropertyInfo get_input_value_port_info(int p_idx) const;
  	virtual PropertyInfo get_output_value_port_info(int p_idx) const;
  
  	virtual String get_caption() const;
  	//virtual String get_text() const;
  	virtual String get_category() const { return "functions"; }
  
  	void set_func(BuiltinFunc p_which);
  	BuiltinFunc get_func();
  
  	virtual VisualScriptNodeInstance *instance(VisualScriptInstance *p_instance);
  
  	VisualScriptBuiltinFunc(VisualScriptBuiltinFunc::BuiltinFunc func);
  	VisualScriptBuiltinFunc();
  };
  
  VARIANT_ENUM_CAST(VisualScriptBuiltinFunc::BuiltinFunc)
  
  void register_visual_script_builtin_func_node();
  
  #endif // VISUAL_SCRIPT_BUILTIN_FUNCS_H
  