first commit

main.mm

@@ -0,0 +1,44 @@
+#include <stdio.h>
+#include <raylib.h>
+#include <stdbool.h>
+#include "timer.h"
+
+static inline struct timespec subts(volatile struct timespec t1, volatile struct timespec t2) {
+    return (struct timespec) {
+        .tv_sec = t2.tv_sec - t1.tv_sec,
+        .tv_nsec = t2.tv_nsec - t1.tv_nsec,
+    };
+}
+
+int main(void) {
+    
+    Timer *t = [[Timer alloc] init];
+    char buffer[100];
+    
+    InitWindow(400, 400, "raytime");
+    SetTargetFPS(30);
+    
+    Color theColor = BLACK;
+    
+    [t start];
+    while (!WindowShouldClose()) {
+        sprintf(buffer, "%jd", (intmax_t)[t time].tv_sec);
+        
+        if (IsKeyPressed(KEY_SPACE)) {
+            if (t->paused) {
+                [t resume];
+                theColor = BLACK;
+            } else {
+                theColor = RED;
+                [t pause];
+            }
+        }
+
+        [t tick];
+        
+        BeginDrawing();
+            ClearBackground(WHITE);
+            DrawText([t timeString], 400/2 - 50, 400/2 - 50, 100, theColor);
+        EndDrawing();
+    }    
+}

makefile

@@ -0,0 +1,15 @@
+CC=g++
+
+INCLUDE= -I /home/sandyx/code/objc/wow/include
+
+main: main.o timer.o
+	g++ main.o timer.o -o main -L /home/sandyx/code/objc/wow/lib/linux64 -lraylib -lobjc -lyeslib
+
+main.o:
+	g++ $(INCLUDE) main.mm -c
+
+timer.o:
+	g++ $(INCLUDE) timer.mm -c
+
+clean:
+	rm main *.o

timer.h

@@ -0,0 +1,34 @@
+#ifndef TIMER_H
+#define TIMER_H
+
+#include <time.h>
+#include <stdint.h>
+#include <yeslib.h>
+#include <stdio.h>
+
+#define NSEC_PER_SEC 1000000000
+
+@interface Timer : YSObject {
+@public
+    struct timespec start;
+    struct timespec current;
+    struct timespec pause_start;
+    struct timespec pause_current;
+    struct timespec diff;
+    int running;
+    int paused;
+}
+
+-(void) start;
+-(void) pause;
+-(void) resume;
+-(void) stop;
+-(void) tick;
+
+//returns current minus start;
+-(struct timespec) time;
+-(char *) timeString;
+
+@end
+
+#endif

timer.mm

@@ -0,0 +1,99 @@
+#import "timer.h"
+
+struct timespec subts(struct timespec t1, struct timespec t2) {
+    return (struct timespec) {
+        .tv_sec = t1.tv_sec - t2.tv_sec,
+        .tv_nsec = t1.tv_nsec - t2.tv_nsec,
+    };
+}
+
+struct timespec negts(struct timespec t) {
+    return (struct timespec) {
+        .tv_sec = -t.tv_sec,
+        .tv_nsec = -t.tv_nsec,
+    };
+}
+
+struct timespec addts(struct timespec t1, struct timespec t2) {
+    return (struct timespec) {
+        .tv_sec = t1.tv_sec + t2.tv_sec,
+        .tv_nsec = t1.tv_nsec + t2.tv_nsec,
+    };
+}
+
+void print_ts(struct timespec t) {
+    printf("time: %ld.%ld\n", (unsigned long)t.tv_sec, (unsigned long)t.tv_nsec);
+}
+
+double timespec_to_double(struct timespec ts) {
+	return ((double)(ts.tv_sec) + ((double)(ts.tv_nsec) / NSEC_PER_SEC));
+}
+
+@implementation Timer
+-(id) init {
+    self = [super init];
+    running = false;
+    paused = false;
+    pause_start = {0};
+    pause_current = {0};
+    start = {0};
+    current = {0};
+    diff = {0};
+    return self;
+}
+
+-(void) start {
+    clock_gettime(CLOCK_REALTIME, &start);
+    running = true;
+}
+
+-(void) pause {
+    clock_gettime(CLOCK_REALTIME, &pause_start);
+    paused = true;
+}
+
+-(void) resume {
+    struct timespec t = subts(pause_current, pause_start);
+    diff = addts(diff, t);
+    paused = false;
+}
+
+-(void) stop {
+    running = false;
+}
+
+-(void) reset {
+    running = false;
+    start = (struct timespec){0};
+    current = start;
+}
+
+-(void) tick {
+    if (!paused) {
+        clock_gettime(CLOCK_REALTIME, &current);
+    } else {
+        clock_gettime(CLOCK_REALTIME, &pause_current);
+        //pause_current = subts(pause_current, pause_start);
+    }
+}
+
+-(struct timespec) time {
+    //time running = (current - start) - pause
+    struct timespec time = subts(current, start);
+    return subts(time, diff);
+
+}
+
+-(char *) timeString {
+    //super simple format
+    static char buffer[100];
+    struct timespec time = subts(current, start);
+    time = subts(time, diff);
+
+    double dbl = timespec_to_double(time);
+
+    sprintf(buffer, "%.02lf", dbl);
+    return buffer;
+}
+
+@end