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path: root/src/crepe/manager/LoopTimerManager.cpp
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Diffstat (limited to 'src/crepe/manager/LoopTimerManager.cpp')
-rw-r--r--src/crepe/manager/LoopTimerManager.cpp47
1 files changed, 23 insertions, 24 deletions
diff --git a/src/crepe/manager/LoopTimerManager.cpp b/src/crepe/manager/LoopTimerManager.cpp
index a306eb7..92a2150 100644
--- a/src/crepe/manager/LoopTimerManager.cpp
+++ b/src/crepe/manager/LoopTimerManager.cpp
@@ -6,7 +6,9 @@
#include "LoopTimerManager.h"
using namespace crepe;
+using namespace std::chrono;
using namespace std::chrono_literals;
+
LoopTimerManager::LoopTimerManager(Mediator & mediator) : Manager(mediator) {
this->mediator.loop_timer = *this;
dbg_trace();
@@ -15,15 +17,14 @@ LoopTimerManager::LoopTimerManager(Mediator & mediator) : Manager(mediator) {
void LoopTimerManager::start() {
this->last_frame_time = std::chrono::steady_clock::now();
- this->elapsed_time = 0s;
+ this->elapsed_time = elapsed_time_t{0};
// by starting the elapsed_fixed_time at (0 - fixed_delta_time) in milliseconds it calls a fixed update at the start of the loop.
- this->elapsed_fixed_time
- = -std::chrono::duration_cast<ElapsedTime_t>(this->fixed_delta_time);
- this->delta_time = 0s;
+ // this->elapsed_fixed_time = -this->fixed_delta_time;
+ this->delta_time = duration_t{0};
}
void LoopTimerManager::update() {
- TimePoint_t current_frame_time
+ time_point_t current_frame_time
= std::chrono::steady_clock::now();
// Convert to duration in seconds for delta time
this->delta_time = current_frame_time - last_frame_time;
@@ -32,20 +33,20 @@ void LoopTimerManager::update() {
this->delta_time = this->maximum_delta_time;
}
if (this->delta_time > 0s) {
- this->actual_fps = 1.0 / this->delta_time.count();
+ this->actual_fps = 1.0 / duration_cast<seconds>(this->delta_time).count();
} else {
this->actual_fps = 0;
}
- this->elapsed_time += std::chrono::duration_cast<ElapsedTime_t>(this->delta_time);
+ this->elapsed_time += duration_cast<elapsed_time_t>(this->delta_time);
this->last_frame_time = current_frame_time;
}
-Duration_t LoopTimerManager::get_delta_time() const {return this->delta_time * this->time_scale;}
+duration_t LoopTimerManager::get_delta_time() const {return this->delta_time * this->time_scale;}
-ElapsedTime_t LoopTimerManager::get_elapsed_time() const { return this->elapsed_time; }
+elapsed_time_t LoopTimerManager::get_elapsed_time() const { return this->elapsed_time; }
void LoopTimerManager::advance_fixed_elapsed_time() {
- this->elapsed_fixed_time += std::chrono::duration_cast<ElapsedTime_t>(this->fixed_delta_time);
+ this->elapsed_fixed_time += std::chrono::duration_cast<elapsed_time_t>(this->fixed_delta_time);
}
void LoopTimerManager::set_target_framerate(unsigned fps) {
@@ -53,7 +54,7 @@ void LoopTimerManager::set_target_framerate(unsigned fps) {
//check if fps is lower or equals 0
if (fps <= 0) return;
// target time per frame in seconds
- this->frame_target_time = Duration_t(1s) / this->target_fps;
+ this->frame_target_time = duration_t(1s) / this->target_fps;
}
unsigned LoopTimerManager::get_fps() const { return this->actual_fps; }
@@ -63,32 +64,30 @@ void LoopTimerManager::set_time_scale(double value) { this->time_scale = value;
float LoopTimerManager::get_time_scale() const { return this->time_scale; }
void LoopTimerManager::enforce_frame_rate() {
- TimePoint_t current_frame_time
- = std::chrono::steady_clock::now();
- Duration_t frame_duration = current_frame_time - this->last_frame_time;
+ time_point_t current_frame_time = std::chrono::steady_clock::now();
+ duration_t frame_duration = current_frame_time - this->last_frame_time;
+
// Check if frame duration is less than the target frame time
if (frame_duration < this->frame_target_time) {
- std::chrono::microseconds delay_time
- = std::chrono::duration_cast<std::chrono::microseconds>(this->frame_target_time
- - frame_duration);
-
- if (delay_time.count() > 0) {
+ duration_t delay_time = this->frame_target_time - frame_duration;
+ if (delay_time > 0s) {
std::this_thread::sleep_for(delay_time);
}
}
}
-Duration_t LoopTimerManager::get_lag() const {
- return (this->elapsed_time - this->elapsed_fixed_time);
+duration_t LoopTimerManager::get_lag() const {
+ return this->elapsed_time - this->elapsed_fixed_time;
}
-Duration_t LoopTimerManager::get_scaled_fixed_delta_time() const {
+duration_t LoopTimerManager::get_scaled_fixed_delta_time() const {
return this->fixed_delta_time * this->time_scale;
}
+
void LoopTimerManager::set_fixed_delta_time(float seconds) {
- this->fixed_delta_time = Duration_t(seconds);
+ this->fixed_delta_time = duration_t(seconds);
}
-Duration_t LoopTimerManager::get_fixed_delta_time() const {
+duration_t LoopTimerManager::get_fixed_delta_time() const {
return this->fixed_delta_time;
}