69 строки
1.3 KiB
C++
69 строки
1.3 KiB
C++
#include<stdio.h>
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#include<math.h>
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#include<stdlib.h>
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#include<SDL.h>
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#include<emscripten.h>
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#include<assert.h>
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int last = 0;
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extern "C" {
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bool fived = false;
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void five() {
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fived = true;
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emscripten_resume_main_loop();
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}
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void mainey() {
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static int counter = 0;
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printf("mainey: %d\n", counter++);
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if (counter == 20) {
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emscripten_pause_main_loop();
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emscripten_async_call(five, 1000);
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} else if (counter == 22) { // very soon after 20, so without pausing we fail
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int result = fived;
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REPORT_RESULT();
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}
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}
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void four() {
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printf("four!\n");
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emscripten_set_main_loop(mainey, 0);
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}
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void __attribute__((used)) third() {
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int now = SDL_GetTicks();
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printf("thard! %d\n", now);
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assert(fabs(now - last - 1000) < 500);
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emscripten_async_call(four, -1); // triggers requestAnimationFrame
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}
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void second() {
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int now = SDL_GetTicks();
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printf("sacond! %d\n", now);
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assert(fabs(now - last - 500) < 250);
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last = now;
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emscripten_async_run_script("_third()", 1000);
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}
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}
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void never() {
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int result = 0;
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REPORT_RESULT();
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}
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int main() {
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SDL_Init(0);
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last = SDL_GetTicks();
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printf("frist! %d\n", last);
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atexit(never); // should never be called - it is wrong to exit the runtime orderly if we have async calls!
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emscripten_async_call(second, 500);
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return 1;
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}
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