godot/core/core_bind.h

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/*************************************************************************/
/* core_bind.h */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2021 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. */
/*************************************************************************/
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#ifndef CORE_BIND_H
#define CORE_BIND_H
#include "core/io/compression.h"
#include "core/io/dir_access.h"
#include "core/io/file_access.h"
#include "core/io/image.h"
#include "core/io/resource_loader.h"
#include "core/io/resource_saver.h"
#include "core/os/os.h"
#include "core/os/semaphore.h"
#include "core/os/thread.h"
#include "core/templates/safe_refcount.h"
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class _ResourceLoader : public Object {
GDCLASS(_ResourceLoader, Object);
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protected:
static void _bind_methods();
static _ResourceLoader *singleton;
public:
enum ThreadLoadStatus {
THREAD_LOAD_INVALID_RESOURCE,
THREAD_LOAD_IN_PROGRESS,
THREAD_LOAD_FAILED,
THREAD_LOAD_LOADED
};
enum CacheMode {
CACHE_MODE_IGNORE, //resource and subresources do not use path cache, no path is set into resource.
CACHE_MODE_REUSE, //resource and subresources use patch cache, reuse existing loaded resources instead of loading from disk when available
CACHE_MODE_REPLACE, //resource and and subresource use path cache, but replace existing loaded resources when available with information from disk
};
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static _ResourceLoader *get_singleton() { return singleton; }
Error load_threaded_request(const String &p_path, const String &p_type_hint = "", bool p_use_sub_threads = false);
ThreadLoadStatus load_threaded_get_status(const String &p_path, Array r_progress = Array());
RES load_threaded_get(const String &p_path);
RES load(const String &p_path, const String &p_type_hint = "", CacheMode p_cache_mode = CACHE_MODE_REUSE);
Vector<String> get_recognized_extensions_for_type(const String &p_type);
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void set_abort_on_missing_resources(bool p_abort);
PackedStringArray get_dependencies(const String &p_path);
bool has_cached(const String &p_path);
bool exists(const String &p_path, const String &p_type_hint = "");
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_ResourceLoader() { singleton = this; }
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};
VARIANT_ENUM_CAST(_ResourceLoader::ThreadLoadStatus);
VARIANT_ENUM_CAST(_ResourceLoader::CacheMode);
class _ResourceSaver : public Object {
GDCLASS(_ResourceSaver, Object);
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protected:
static void _bind_methods();
static _ResourceSaver *singleton;
public:
enum SaverFlags {
FLAG_RELATIVE_PATHS = 1,
FLAG_BUNDLE_RESOURCES = 2,
FLAG_CHANGE_PATH = 4,
FLAG_OMIT_EDITOR_PROPERTIES = 8,
FLAG_SAVE_BIG_ENDIAN = 16,
FLAG_COMPRESS = 32,
FLAG_REPLACE_SUBRESOURCE_PATHS = 64,
};
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static _ResourceSaver *get_singleton() { return singleton; }
Error save(const String &p_path, const RES &p_resource, SaverFlags p_flags);
Vector<String> get_recognized_extensions(const RES &p_resource);
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_ResourceSaver() { singleton = this; }
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};
VARIANT_ENUM_CAST(_ResourceSaver::SaverFlags);
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class MainLoop;
class _OS : public Object {
GDCLASS(_OS, Object);
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protected:
static void _bind_methods();
static _OS *singleton;
public:
enum VideoDriver {
VIDEO_DRIVER_GLES2,
VIDEO_DRIVER_VULKAN,
};
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enum Weekday {
DAY_SUNDAY,
DAY_MONDAY,
DAY_TUESDAY,
DAY_WEDNESDAY,
DAY_THURSDAY,
DAY_FRIDAY,
DAY_SATURDAY
};
enum Month {
// Start at 1 to follow Windows SYSTEMTIME structure
// https://msdn.microsoft.com/en-us/library/windows/desktop/ms724950(v=vs.85).aspx
MONTH_JANUARY = 1,
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MONTH_FEBRUARY,
MONTH_MARCH,
MONTH_APRIL,
MONTH_MAY,
MONTH_JUNE,
MONTH_JULY,
MONTH_AUGUST,
MONTH_SEPTEMBER,
MONTH_OCTOBER,
MONTH_NOVEMBER,
MONTH_DECEMBER
};
virtual PackedStringArray get_connected_midi_inputs();
virtual void open_midi_inputs();
virtual void close_midi_inputs();
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void set_low_processor_usage_mode(bool p_enabled);
bool is_in_low_processor_usage_mode() const;
void set_low_processor_usage_mode_sleep_usec(int p_usec);
int get_low_processor_usage_mode_sleep_usec() const;
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String get_executable_path() const;
int execute(const String &p_path, const Vector<String> &p_arguments, Array r_output = Array(), bool p_read_stderr = false);
int create_process(const String &p_path, const Vector<String> &p_arguments);
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Error kill(int p_pid);
Error shell_open(String p_uri);
int get_process_id() const;
bool has_environment(const String &p_var) const;
String get_environment(const String &p_var) const;
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bool set_environment(const String &p_var, const String &p_value) const;
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String get_name() const;
Vector<String> get_cmdline_args();
String get_locale() const;
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String get_model_name() const;
void dump_memory_to_file(const String &p_file);
void dump_resources_to_file(const String &p_file);
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void print_resources_in_use(bool p_short = false);
void print_all_resources(const String &p_to_file);
void print_all_textures_by_size();
void print_resources_by_type(const Vector<String> &p_types);
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bool is_debug_build() const;
String get_unique_id() const;
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String get_keycode_string(uint32_t p_code) const;
bool is_keycode_unicode(uint32_t p_unicode) const;
int find_keycode_from_string(const String &p_code) const;
void set_use_file_access_save_and_swap(bool p_enable);
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uint64_t get_static_memory_usage() const;
uint64_t get_static_memory_peak_usage() const;
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void delay_usec(int p_usec) const;
void delay_msec(int p_msec) const;
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uint32_t get_ticks_msec() const;
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uint64_t get_ticks_usec() const;
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bool can_use_threads() const;
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bool is_userfs_persistent() const;
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bool is_stdout_verbose() const;
int get_processor_count() const;
enum SystemDir {
SYSTEM_DIR_DESKTOP,
SYSTEM_DIR_DCIM,
SYSTEM_DIR_DOCUMENTS,
SYSTEM_DIR_DOWNLOADS,
SYSTEM_DIR_MOVIES,
SYSTEM_DIR_MUSIC,
SYSTEM_DIR_PICTURES,
SYSTEM_DIR_RINGTONES,
};
String get_system_dir(SystemDir p_dir) const;
String get_user_data_dir() const;
String get_external_data_dir() const;
String get_config_dir() const;
String get_data_dir() const;
String get_cache_dir() const;
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Error set_thread_name(const String &p_name);
Thread::ID get_thread_caller_id() const;
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bool has_feature(const String &p_feature) const;
bool request_permission(const String &p_name);
bool request_permissions();
Vector<String> get_granted_permissions() const;
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static _OS *get_singleton() { return singleton; }
_OS() { singleton = this; }
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};
VARIANT_ENUM_CAST(_OS::VideoDriver);
VARIANT_ENUM_CAST(_OS::Weekday);
VARIANT_ENUM_CAST(_OS::Month);
VARIANT_ENUM_CAST(_OS::SystemDir);
class _Geometry2D : public Object {
GDCLASS(_Geometry2D, Object);
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static _Geometry2D *singleton;
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protected:
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static void _bind_methods();
public:
static _Geometry2D *get_singleton();
Variant segment_intersects_segment(const Vector2 &p_from_a, const Vector2 &p_to_a, const Vector2 &p_from_b, const Vector2 &p_to_b);
Variant line_intersects_line(const Vector2 &p_from_a, const Vector2 &p_dir_a, const Vector2 &p_from_b, const Vector2 &p_dir_b);
Vector<Vector2> get_closest_points_between_segments(const Vector2 &p1, const Vector2 &q1, const Vector2 &p2, const Vector2 &q2);
Vector2 get_closest_point_to_segment(const Vector2 &p_point, const Vector2 &p_a, const Vector2 &p_b);
Vector2 get_closest_point_to_segment_uncapped(const Vector2 &p_point, const Vector2 &p_a, const Vector2 &p_b);
bool point_is_inside_triangle(const Vector2 &s, const Vector2 &a, const Vector2 &b, const Vector2 &c) const;
bool is_point_in_circle(const Vector2 &p_point, const Vector2 &p_circle_pos, real_t p_circle_radius);
real_t segment_intersects_circle(const Vector2 &p_from, const Vector2 &p_to, const Vector2 &p_circle_pos, real_t p_circle_radius);
bool is_polygon_clockwise(const Vector<Vector2> &p_polygon);
bool is_point_in_polygon(const Point2 &p_point, const Vector<Vector2> &p_polygon);
Vector<int> triangulate_polygon(const Vector<Vector2> &p_polygon);
Vector<int> triangulate_delaunay(const Vector<Vector2> &p_points);
Vector<Point2> convex_hull(const Vector<Point2> &p_points);
enum PolyBooleanOperation {
OPERATION_UNION,
OPERATION_DIFFERENCE,
OPERATION_INTERSECTION,
OPERATION_XOR
};
// 2D polygon boolean operations.
Array merge_polygons(const Vector<Vector2> &p_polygon_a, const Vector<Vector2> &p_polygon_b); // Union (add).
Array clip_polygons(const Vector<Vector2> &p_polygon_a, const Vector<Vector2> &p_polygon_b); // Difference (subtract).
Array intersect_polygons(const Vector<Vector2> &p_polygon_a, const Vector<Vector2> &p_polygon_b); // Common area (multiply).
Array exclude_polygons(const Vector<Vector2> &p_polygon_a, const Vector<Vector2> &p_polygon_b); // All but common area (xor).
// 2D polyline vs polygon operations.
Array clip_polyline_with_polygon(const Vector<Vector2> &p_polyline, const Vector<Vector2> &p_polygon); // Cut.
Array intersect_polyline_with_polygon(const Vector<Vector2> &p_polyline, const Vector<Vector2> &p_polygon); // Chop.
// 2D offset polygons/polylines.
enum PolyJoinType {
JOIN_SQUARE,
JOIN_ROUND,
JOIN_MITER
};
enum PolyEndType {
END_POLYGON,
END_JOINED,
END_BUTT,
END_SQUARE,
END_ROUND
};
Array offset_polygon(const Vector<Vector2> &p_polygon, real_t p_delta, PolyJoinType p_join_type = JOIN_SQUARE);
Array offset_polyline(const Vector<Vector2> &p_polygon, real_t p_delta, PolyJoinType p_join_type = JOIN_SQUARE, PolyEndType p_end_type = END_SQUARE);
Dictionary make_atlas(const Vector<Size2> &p_rects);
Huge Amount of BugFix -=-=-=-=-=-=-=-=-=-=- -Fixes to Collada Exporter (avoid crash situtions) -Fixed to Collada Importer (Fixed Animation Optimizer Bugs) -Fixes to RigidBody/RigidBody2D body_enter/body_exit, was buggy -Fixed ability for RigidBody/RigidBody2D to get contacts reported and bodyin/out in Kinematic mode. -Added proper trigger support for 3D Physics shapes -Changed proper value for Z-Offset in OmniLight -Fixed spot attenuation bug in SpotLight -Fixed some 3D and 2D spatial soudn bugs related to distance attenuation. -Fixed bugs in EventPlayer (channels were muted by default) -Fix in ButtonGroup (get nodes in group are now returned in order) -Fixed Linear->SRGB Conversion, previous algo sucked, new algo works OK -Changed SRGB->Linear conversion to use hardware if supported, improves texture quality a lot -Fixed options for Y-Fov and X-Fov in camera, should be more intuitive. -Fixed bugs related to viewports and transparency Huge Amount of New Stuff: -=-=-=-=-=-=-=-==-=-=-=- -Ability to manually advance an AnimationPlayer that is inactive (with advance() function) -More work in WinRT platform -Added XY normalmap support, imports on this format by default. Reduces normlmap size and enables much nice compression using LATC -Added Anisotropic filter support to textures, can be specified on import -Added support for Non-Square, Isometric and Hexagonal tilemaps in TileMap. -Added Isometric Dungeon demo. -Added simple hexagonal map demo. -Added Truck-Town demo. Shows how most types of joints and vehicles are used. Please somebody make a nicer town, this one is too hardcore. -Added an Object-Picking API to both RigidBody and Area! (and relevant demo)
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_Geometry2D() { singleton = this; }
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};
VARIANT_ENUM_CAST(_Geometry2D::PolyBooleanOperation);
VARIANT_ENUM_CAST(_Geometry2D::PolyJoinType);
VARIANT_ENUM_CAST(_Geometry2D::PolyEndType);
class _Geometry3D : public Object {
GDCLASS(_Geometry3D, Object);
static _Geometry3D *singleton;
protected:
static void _bind_methods();
public:
static _Geometry3D *get_singleton();
Vector<Plane> build_box_planes(const Vector3 &p_extents);
Vector<Plane> build_cylinder_planes(float p_radius, float p_height, int p_sides, Vector3::Axis p_axis = Vector3::AXIS_Z);
Vector<Plane> build_capsule_planes(float p_radius, float p_height, int p_sides, int p_lats, Vector3::Axis p_axis = Vector3::AXIS_Z);
Vector<Vector3> get_closest_points_between_segments(const Vector3 &p1, const Vector3 &p2, const Vector3 &q1, const Vector3 &q2);
Vector3 get_closest_point_to_segment(const Vector3 &p_point, const Vector3 &p_a, const Vector3 &p_b);
Vector3 get_closest_point_to_segment_uncapped(const Vector3 &p_point, const Vector3 &p_a, const Vector3 &p_b);
Variant ray_intersects_triangle(const Vector3 &p_from, const Vector3 &p_dir, const Vector3 &p_v0, const Vector3 &p_v1, const Vector3 &p_v2);
Variant segment_intersects_triangle(const Vector3 &p_from, const Vector3 &p_to, const Vector3 &p_v0, const Vector3 &p_v1, const Vector3 &p_v2);
Vector<Vector3> segment_intersects_sphere(const Vector3 &p_from, const Vector3 &p_to, const Vector3 &p_sphere_pos, real_t p_sphere_radius);
Vector<Vector3> segment_intersects_cylinder(const Vector3 &p_from, const Vector3 &p_to, float p_height, float p_radius);
Vector<Vector3> segment_intersects_convex(const Vector3 &p_from, const Vector3 &p_to, const Vector<Plane> &p_planes);
Vector<Vector3> clip_polygon(const Vector<Vector3> &p_points, const Plane &p_plane);
_Geometry3D() { singleton = this; }
};
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class _File : public RefCounted {
GDCLASS(_File, RefCounted);
FileAccess *f = nullptr;
bool big_endian = false;
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protected:
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static void _bind_methods();
public:
enum ModeFlags {
READ = 1,
WRITE = 2,
READ_WRITE = 3,
WRITE_READ = 7,
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};
enum CompressionMode {
COMPRESSION_FASTLZ = Compression::MODE_FASTLZ,
COMPRESSION_DEFLATE = Compression::MODE_DEFLATE,
COMPRESSION_ZSTD = Compression::MODE_ZSTD,
COMPRESSION_GZIP = Compression::MODE_GZIP
};
Error open_encrypted(const String &p_path, ModeFlags p_mode_flags, const Vector<uint8_t> &p_key);
Error open_encrypted_pass(const String &p_path, ModeFlags p_mode_flags, const String &p_pass);
Error open_compressed(const String &p_path, ModeFlags p_mode_flags, CompressionMode p_compress_mode = COMPRESSION_FASTLZ);
Error open(const String &p_path, ModeFlags p_mode_flags); // open a file.
void flush(); // Flush a file (write its buffer to disk).
void close(); // Close a file.
bool is_open() const; // True when file is open.
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String get_path() const; // Returns the path for the current open file.
String get_path_absolute() const; // Returns the absolute path for the current open file.
void seek(int64_t p_position); // Seek to a given position.
void seek_end(int64_t p_position = 0); // Seek from the end of file.
uint64_t get_position() const; // Get position in the file.
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uint64_t get_length() const; // Get size of the file.
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bool eof_reached() const; // Reading passed EOF.
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uint8_t get_8() const; // Get a byte.
uint16_t get_16() const; // Get 16 bits uint.
uint32_t get_32() const; // Get 32 bits uint.
uint64_t get_64() const; // Get 64 bits uint.
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float get_float() const;
double get_double() const;
real_t get_real() const;
Variant get_var(bool p_allow_objects = false) const;
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Vector<uint8_t> get_buffer(int64_t p_length) const; // Get an array of bytes.
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String get_line() const;
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Vector<String> get_csv_line(const String &p_delim = ",") const;
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String get_as_text() const;
String get_md5(const String &p_path) const;
String get_sha256(const String &p_path) const;
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/*
* Use this for files WRITTEN in _big_ endian machines (ie, amiga/mac).
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* It's not about the current CPU type but file formats.
* This flag gets reset to `false` (little endian) on each open.
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*/
void set_big_endian(bool p_big_endian);
bool is_big_endian();
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Error get_error() const; // Get last error.
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void store_8(uint8_t p_dest); // Store a byte.
void store_16(uint16_t p_dest); // Store 16 bits uint.
void store_32(uint32_t p_dest); // Store 32 bits uint.
void store_64(uint64_t p_dest); // Store 64 bits uint.
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void store_float(float p_dest);
void store_double(double p_dest);
void store_real(real_t p_real);
void store_string(const String &p_string);
void store_line(const String &p_string);
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void store_csv_line(const Vector<String> &p_values, const String &p_delim = ",");
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virtual void store_pascal_string(const String &p_string);
virtual String get_pascal_string();
void store_buffer(const Vector<uint8_t> &p_buffer); // Store an array of bytes.
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void store_var(const Variant &p_var, bool p_full_objects = false);
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bool file_exists(const String &p_name) const; // Return true if a file exists.
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uint64_t get_modified_time(const String &p_file) const;
_File() {}
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virtual ~_File();
};
VARIANT_ENUM_CAST(_File::ModeFlags);
VARIANT_ENUM_CAST(_File::CompressionMode);
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class _Directory : public RefCounted {
GDCLASS(_Directory, RefCounted);
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DirAccess *d;
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bool dir_open = false;
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protected:
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static void _bind_methods();
public:
Error open(const String &p_path);
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bool is_open() const;
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Error list_dir_begin(bool p_show_navigational = false, bool p_show_hidden = false); // This starts dir listing.
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String get_next();
bool current_is_dir() const;
void list_dir_end();
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int get_drive_count();
String get_drive(int p_drive);
int get_current_drive();
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Error change_dir(String p_dir); // Can be relative or absolute, return false on success.
String get_current_dir(); // Return current dir location.
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Error make_dir(String p_dir);
Error make_dir_recursive(String p_dir);
bool file_exists(String p_file);
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bool dir_exists(String p_dir);
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uint64_t get_space_left();
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Error copy(String p_from, String p_to);
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Error rename(String p_from, String p_to);
Error remove(String p_name);
_Directory();
virtual ~_Directory();
private:
bool _list_skip_navigational = false;
bool _list_skip_hidden = false;
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};
class _Marshalls : public Object {
GDCLASS(_Marshalls, Object);
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static _Marshalls *singleton;
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protected:
static void _bind_methods();
public:
static _Marshalls *get_singleton();
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String variant_to_base64(const Variant &p_var, bool p_full_objects = false);
Variant base64_to_variant(const String &p_str, bool p_allow_objects = false);
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String raw_to_base64(const Vector<uint8_t> &p_arr);
Vector<uint8_t> base64_to_raw(const String &p_str);
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String utf8_to_base64(const String &p_str);
String base64_to_utf8(const String &p_str);
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_Marshalls() { singleton = this; }
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~_Marshalls() { singleton = nullptr; }
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};
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class _Mutex : public RefCounted {
GDCLASS(_Mutex, RefCounted);
Mutex mutex;
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static void _bind_methods();
public:
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void lock();
Error try_lock();
void unlock();
};
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class _Semaphore : public RefCounted {
GDCLASS(_Semaphore, RefCounted);
Semaphore semaphore;
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static void _bind_methods();
public:
void wait();
Error try_wait();
void post();
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};
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class _Thread : public RefCounted {
GDCLASS(_Thread, RefCounted);
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protected:
Variant ret;
Variant userdata;
SafeFlag active;
Object *target_instance = nullptr;
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StringName target_method;
Thread thread;
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static void _bind_methods();
static void _start_func(void *ud);
public:
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enum Priority {
PRIORITY_LOW,
PRIORITY_NORMAL,
PRIORITY_HIGH,
PRIORITY_MAX
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};
Error start(Object *p_instance, const StringName &p_method, const Variant &p_userdata = Variant(), Priority p_priority = PRIORITY_NORMAL);
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String get_id() const;
bool is_active() const;
Variant wait_to_finish();
};
VARIANT_ENUM_CAST(_Thread::Priority);
class _ClassDB : public Object {
GDCLASS(_ClassDB, Object);
protected:
static void _bind_methods();
public:
PackedStringArray get_class_list() const;
PackedStringArray get_inheriters_from_class(const StringName &p_class) const;
StringName get_parent_class(const StringName &p_class) const;
bool class_exists(const StringName &p_class) const;
bool is_parent_class(const StringName &p_class, const StringName &p_inherits) const;
bool can_instantiate(const StringName &p_class) const;
Variant instantiate(const StringName &p_class) const;
bool has_signal(StringName p_class, StringName p_signal) const;
Dictionary get_signal(StringName p_class, StringName p_signal) const;
Array get_signal_list(StringName p_class, bool p_no_inheritance = false) const;
Array get_property_list(StringName p_class, bool p_no_inheritance = false) const;
Variant get_property(Object *p_object, const StringName &p_property) const;
Error set_property(Object *p_object, const StringName &p_property, const Variant &p_value) const;
bool has_method(StringName p_class, StringName p_method, bool p_no_inheritance = false) const;
Array get_method_list(StringName p_class, bool p_no_inheritance = false) const;
PackedStringArray get_integer_constant_list(const StringName &p_class, bool p_no_inheritance = false) const;
bool has_integer_constant(const StringName &p_class, const StringName &p_name) const;
int get_integer_constant(const StringName &p_class, const StringName &p_name) const;
StringName get_category(const StringName &p_node) const;
bool is_class_enabled(StringName p_class) const;
_ClassDB() {}
~_ClassDB() {}
};
class _Engine : public Object {
GDCLASS(_Engine, Object);
protected:
static void _bind_methods();
static _Engine *singleton;
public:
static _Engine *get_singleton() { return singleton; }
void set_iterations_per_second(int p_ips);
int get_iterations_per_second() const;
Add hysteresis to physics timestep count per frame Add new class _TimerSync to manage timestep calculations. The new class handles the decisions about simulation progression previously handled by main::iteration(). It is fed the current timer ticks and determines how many physics updates are to be run and what the delta argument to the _process() functions should be. The new class tries to keep the number of physics updates per frame as constant as possible from frame to frame. Ideally, it would be N steps every render frame, but even with perfectly regular rendering, the general case is that N or N+1 steps are required per frame, for some fixed N. The best guess for N is stored in typical_physics_steps. When determining the number of steps to take, no restrictions are imposed between the choice of typical_physics_steps and typical_physics_steps+1 steps. Should more or less steps than that be required, the accumulated remaining time (as before, stored in time_accum) needs to surpass its boundaries by some minimal threshold. Once surpassed, typical_physics_steps is updated to allow the new step count for future updates. Care is taken that the modified calculation of the number of physics steps is not observable from game code that only checks the delta parameters to the _process and _physics_process functions; in addition to modifying the number of steps, the _process argument is modified as well to stay in expected bounds. Extra care is taken that the accumulated steps still sum up to roughly the real elapsed time, up to a maximum tolerated difference. To allow the hysteresis code to work correctly on higher refresh monitors, the number of typical physics steps is not only recorded and kept consistent for single render frames, but for groups of them. Currently, up to 12 frames are grouped that way. The engine parameter physics_jitter_fix controls both the maximum tolerated difference between wall clock time and summed up _process arguments and the threshold for changing typical_physics_steps. It is given in units of the real physics frame slice 1/physics_fps. Set physics_jitter_fix to 0 to disable the effects of the new code here. It starts to be effective against the random physics jitter at around 0.02 to 0.05. at values greater than 1 it starts having ill effects on the engine's ability to react sensibly to dropped frames and framerate changes.
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void set_physics_jitter_fix(float p_threshold);
float get_physics_jitter_fix() const;
float get_physics_interpolation_fraction() const;
Add hysteresis to physics timestep count per frame Add new class _TimerSync to manage timestep calculations. The new class handles the decisions about simulation progression previously handled by main::iteration(). It is fed the current timer ticks and determines how many physics updates are to be run and what the delta argument to the _process() functions should be. The new class tries to keep the number of physics updates per frame as constant as possible from frame to frame. Ideally, it would be N steps every render frame, but even with perfectly regular rendering, the general case is that N or N+1 steps are required per frame, for some fixed N. The best guess for N is stored in typical_physics_steps. When determining the number of steps to take, no restrictions are imposed between the choice of typical_physics_steps and typical_physics_steps+1 steps. Should more or less steps than that be required, the accumulated remaining time (as before, stored in time_accum) needs to surpass its boundaries by some minimal threshold. Once surpassed, typical_physics_steps is updated to allow the new step count for future updates. Care is taken that the modified calculation of the number of physics steps is not observable from game code that only checks the delta parameters to the _process and _physics_process functions; in addition to modifying the number of steps, the _process argument is modified as well to stay in expected bounds. Extra care is taken that the accumulated steps still sum up to roughly the real elapsed time, up to a maximum tolerated difference. To allow the hysteresis code to work correctly on higher refresh monitors, the number of typical physics steps is not only recorded and kept consistent for single render frames, but for groups of them. Currently, up to 12 frames are grouped that way. The engine parameter physics_jitter_fix controls both the maximum tolerated difference between wall clock time and summed up _process arguments and the threshold for changing typical_physics_steps. It is given in units of the real physics frame slice 1/physics_fps. Set physics_jitter_fix to 0 to disable the effects of the new code here. It starts to be effective against the random physics jitter at around 0.02 to 0.05. at values greater than 1 it starts having ill effects on the engine's ability to react sensibly to dropped frames and framerate changes.
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void set_target_fps(int p_fps);
int get_target_fps() const;
float get_frames_per_second() const;
uint64_t get_physics_frames() const;
uint64_t get_process_frames() const;
int get_frames_drawn();
void set_time_scale(float p_scale);
float get_time_scale();
MainLoop *get_main_loop() const;
Dictionary get_version_info() const;
Dictionary get_author_info() const;
Array get_copyright_info() const;
Dictionary get_donor_info() const;
Dictionary get_license_info() const;
String get_license_text() const;
bool is_in_physics_frame() const;
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bool has_singleton(const String &p_name) const;
Object *get_singleton_object(const String &p_name) const;
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void set_editor_hint(bool p_enabled);
bool is_editor_hint() const;
void set_print_error_messages(bool p_enabled);
bool is_printing_error_messages() const;
_Engine() { singleton = this; }
};
class _EngineDebugger : public Object {
GDCLASS(_EngineDebugger, Object);
class ProfilerCallable {
friend class _EngineDebugger;
Callable callable_toggle;
Callable callable_add;
Callable callable_tick;
public:
ProfilerCallable() {}
ProfilerCallable(const Callable &p_toggle, const Callable &p_add, const Callable &p_tick) {
callable_toggle = p_toggle;
callable_add = p_add;
callable_tick = p_tick;
}
};
Map<StringName, Callable> captures;
Map<StringName, ProfilerCallable> profilers;
protected:
static void _bind_methods();
static _EngineDebugger *singleton;
public:
static _EngineDebugger *get_singleton() { return singleton; }
bool is_active();
void register_profiler(const StringName &p_name, const Callable &p_toggle, const Callable &p_add, const Callable &p_tick);
void unregister_profiler(const StringName &p_name);
bool is_profiling(const StringName &p_name);
bool has_profiler(const StringName &p_name);
void profiler_add_frame_data(const StringName &p_name, const Array &p_data);
void profiler_enable(const StringName &p_name, bool p_enabled, const Array &p_opts = Array());
void register_message_capture(const StringName &p_name, const Callable &p_callable);
void unregister_message_capture(const StringName &p_name);
bool has_capture(const StringName &p_name);
void send_message(const String &p_msg, const Array &p_data);
static void call_toggle(void *p_user, bool p_enable, const Array &p_opts);
static void call_add(void *p_user, const Array &p_data);
static void call_tick(void *p_user, float p_frame_time, float p_idle_time, float p_physics_time, float p_physics_frame_time);
static Error call_capture(void *p_user, const String &p_cmd, const Array &p_data, bool &r_captured);
_EngineDebugger() { singleton = this; }
~_EngineDebugger();
};
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#endif // CORE_BIND_H