55 lines
1.4 KiB
C++
55 lines
1.4 KiB
C++
#include <libreborn/libreborn.h>
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#include <symbols/minecraft.h>
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#include <mods/init/init.h>
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#include <mods/misc/misc.h>
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#include <mods/feature/feature.h>
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#include <mods/fps/fps.h>
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// Track FPS
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#define NANOSECONDS_IN_SECOND 1000000000ll
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static long long int get_time() {
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struct timespec ts;
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clock_gettime(CLOCK_MONOTONIC_RAW, &ts);
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long long int a = (long long int) ts.tv_nsec;
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long long int b = ((long long int) ts.tv_sec) * NANOSECONDS_IN_SECOND;
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return a + b;
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}
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double fps = 0;
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static void update_fps(__attribute__((unused)) Minecraft *minecraft) {
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static bool is_last_update_time_set = false;
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static long long int last_update_time;
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long long int time = get_time();
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if (is_last_update_time_set) {
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long long int update_time = time - last_update_time;
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fps = ((double) NANOSECONDS_IN_SECOND) / ((double) update_time);
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} else {
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is_last_update_time_set = true;
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}
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last_update_time = time;
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}
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// Print FPS
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static void print_fps(__attribute__((unused)) Minecraft *minecraft) {
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// Track Ticks
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static int ticks = 0;
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ticks++;
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if (ticks == 20) {
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// One Second Has Passed, Reset
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ticks = 0;
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}
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// Print
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if (ticks == 0) {
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INFO("FPS: %f", fps);
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}
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}
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// Init
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void init_fps() {
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if (feature_has("Track FPS", server_disabled)) {
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misc_run_on_update(update_fps);
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misc_run_on_tick(print_fps);
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}
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}
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