main_timer_sync.cpp | Explore in Territory

/**************************************************************************/
/*  main_timer_sync.cpp                                                   */
/**************************************************************************/
/*                         This file is part of:                          */
/*                             GODOT ENGINE                               */
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/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur.                  */
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#include "main_timer_sync.h"

#include "core/os/os.h"
#include "servers/display_server.h"

void MainFrameTime::clamp_process_step(double min_process_step, double max_process_step) { … }

/////////////////////////////////

void MainTimerSync::DeltaSmoother::update_refresh_rate_estimator(int64_t p_delta) { … }

bool MainTimerSync::DeltaSmoother::fps_allows_smoothing(int64_t p_delta) { … }

int64_t MainTimerSync::DeltaSmoother::smooth_delta(int64_t p_delta) { … }

/////////////////////////////////////

// returns the fraction of p_physics_step required for the timer to overshoot
// before advance_core considers changing the physics_steps return from
// the typical values as defined by typical_physics_steps
double MainTimerSync::get_physics_jitter_fix() { … }

// gets our best bet for the average number of physics steps per render frame
// return value: number of frames back this data is consistent
int MainTimerSync::get_average_physics_steps(double &p_min, double &p_max) { … }

// advance physics clock by p_process_step, return appropriate number of steps to simulate
MainFrameTime MainTimerSync::advance_core(double p_physics_step, int p_physics_ticks_per_second, double p_process_step) { … }

// calls advance_core, keeps track of deficit it adds to animaption_step, make sure the deficit sum stays close to zero
MainFrameTime MainTimerSync::advance_checked(double p_physics_step, int p_physics_ticks_per_second, double p_process_step) { … }

// determine wall clock step since last iteration
double MainTimerSync::get_cpu_process_step() { … }

MainTimerSync::MainTimerSync() { … }

// start the clock
void MainTimerSync::init(uint64_t p_cpu_ticks_usec) { … }

// set measured wall clock time
void MainTimerSync::set_cpu_ticks_usec(uint64_t p_cpu_ticks_usec) { … }

void MainTimerSync::set_fixed_fps(int p_fixed_fps) { … }

// advance one physics frame, return timesteps to take
MainFrameTime MainTimerSync::advance(double p_physics_step, int p_physics_ticks_per_second) { … }
godot/main/main_timer_sync.cpp
