90 lines
2.1 KiB
C++
90 lines
2.1 KiB
C++
#include <chrono>
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#include <cstdio>
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#include <ctime>
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#include <functional>
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#include <iostream>
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#include <ncurses.h>
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#include <unistd.h>
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#include <thread>
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// dynamic, let's for loop hello
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/* let's add a timer
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function "subscribes" to a function that omits a signal whenever a second has pased
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*/
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// void printhellos(int inputnumber) {
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// for (int i = 0; i < inputnumber; i++) {
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// mvprintw(i, 10, "hello %d", i);
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// refresh();
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// }
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// }
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/*
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todo
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figure out namespaces, using, and auto
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formalize timer struct
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read about std function and std bind
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try to do with objects / classes instead
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centralize into event sender and subscriber
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*/
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struct mysecondsdisplay {
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int currenttime = 10;
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void myupdatedisplay() {
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currenttime -= 1;
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printf("time: %d\n", currenttime);
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if (currenttime < 1) {
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currenttime = 10;
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}
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}
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};
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//calls callbackfunc on specified interval based on accumulated deltatime
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class timer {
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public:
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std::function<void()> callbackfunc;
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timer(size_t interval_input): interval(interval_input){}
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void updatetime(double DeltaTime) {
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accumulator += DeltaTime;
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printf("accumulated: %f\n", accumulator);
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if (accumulator >= interval) {
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printf("interval\n");
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accumulator = 0;
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callbackfunc();
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}
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}
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private:
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double accumulator = 0;
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size_t interval = 1; // only display every 1 seconds
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};
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int main() {
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// initscr();
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// nodelay(stdscr,FALSE);
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// move(11, 26);
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// printw("Hello curses");
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// refresh();
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printf("verification\n");
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auto starttime = std::chrono::system_clock::now();
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timer clocktimer(1);
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mysecondsdisplay secdisp;
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clocktimer.callbackfunc = [&]() { secdisp.myupdatedisplay(); };
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while (true) {
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auto currenttime = std::chrono::system_clock::now();
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std::chrono::duration<double> myDeltaTime = currenttime - starttime;
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double DoubleDeltaTime = myDeltaTime.count();
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clocktimer.updatetime(DoubleDeltaTime);
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printf("deltatime:%f\n", DoubleDeltaTime);
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starttime = currenttime;
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std::this_thread::sleep_for(std::chrono::milliseconds(250));
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}
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// getch();
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// endwin();
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return 0;
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}
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