Theo's Typesafe Cult•3y ago

how would u await something, if you cant use promises and await 👀

I have a function in a class that cannot be async, however in that function i need to run another function that will do a playthrough of a game (basically just run a set interval, every 50 ms) and when that returns, then execute the rest of the function i dont think that can work with a callback as i specifically need to wait for the function that does the playthrough to complete as it returns values that the outer function needs. which would be a perfect usecase for async await, but the function isnt async, and cant be made async without modifying the lib

26 Replies

Unknown User•3y ago

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WOLFLEADER•3y ago

sure

  protected seed(): Promise<Entity> {
    return new Promise<Entity>(async (resolve) => {
      const wRunner: IRunner = window.Runner;
      var runner = wRunner.instance_;

      runner.startGame();
      runner.playIntro();
      runner.tRex.startJump(runner.currentSpeed);

      console.log(runner.config.MAX_SPEED);

      let Run = async () => {
        if (!runner.tRex.jumping) {
          var inputs = getObstacles(runner);

          // console.log(Math.ceil(runner.distanceRan) * DIST_COEFFICIENT);

          var shouldJump = ShouldJump(inputs);
          if (shouldJump) {
            runner.tRex.startJump(runner.currentSpeed);
          }
        }
      };

      await Run();

      resolve({
        shouldJump: Math.random(),
        runner: runner,
      });

      // setInterval(() => {
      //   if (!runner.playing) {
      //     runner.restart();
      //   } else if (!runner.tRex.jumping) {
      //     var inputs = getObstacles(runner);

      //     // console.log(Math.ceil(runner.distanceRan) * DIST_COEFFICIENT);

      //     var shouldJump = ShouldJump(inputs);
      //     if (shouldJump) {
      //       runner.tRex.startJump(runner.currentSpeed);
      //     }
      //   }
      // }, 50);
    });
  }

  protected seed(): Promise<Entity> {
    return new Promise<Entity>(async (resolve) => {
      const wRunner: IRunner = window.Runner;
      var runner = wRunner.instance_;

      runner.startGame();
      runner.playIntro();
      runner.tRex.startJump(runner.currentSpeed);

      console.log(runner.config.MAX_SPEED);

      let Run = async () => {
        if (!runner.tRex.jumping) {
          var inputs = getObstacles(runner);

          // console.log(Math.ceil(runner.distanceRan) * DIST_COEFFICIENT);

          var shouldJump = ShouldJump(inputs);
          if (shouldJump) {
            runner.tRex.startJump(runner.currentSpeed);
          }
        }
      };

      await Run();

      resolve({
        shouldJump: Math.random(),
        runner: runner,
      });

      // setInterval(() => {
      //   if (!runner.playing) {
      //     runner.restart();
      //   } else if (!runner.tRex.jumping) {
      //     var inputs = getObstacles(runner);

      //     // console.log(Math.ceil(runner.distanceRan) * DIST_COEFFICIENT);

      //     var shouldJump = ShouldJump(inputs);
      //     if (shouldJump) {
      //       runner.tRex.startJump(runner.currentSpeed);
      //     }
      //   }
      // }, 50);
    });
  }

but seed() should only return Entity not a promise. (also this code doesnt work)

Unknown User•3y ago

Message Not Public

WOLFLEADER•3y ago

because i need the value from the game, in the return value so currently i have

  protected seed(): Promise<Entity> {
    return new Promise<Entity>(async (resolve) => {
      const wRunner: IRunner = window.Runner;
      var runner = wRunner.instance_;

      runner.startGame();
      runner.playIntro();
      runner.tRex.startJump(runner.currentSpeed);

      console.log(runner.config.MAX_SPEED);

      let Run = async () => {
        return await new Promise((res) => {
          const interval = setInterval(() => {
            if (!runner.playing) {
              res("");
              clearInterval(interval);
            } else if (!runner.tRex.jumping) {
              var inputs = getObstacles(runner);

              // console.log(Math.ceil(runner.distanceRan) * DIST_COEFFICIENT);

              var shouldJump = ShouldJump(inputs);
              if (shouldJump) {
                runner.tRex.startJump(runner.currentSpeed);
              }
            }
          }, 50);
        });
      };

      await Run();
      runner.restart();

      resolve({
        runner: runner,
      });
    });
  }

  protected seed(): Promise<Entity> {
    return new Promise<Entity>(async (resolve) => {
      const wRunner: IRunner = window.Runner;
      var runner = wRunner.instance_;

      runner.startGame();
      runner.playIntro();
      runner.tRex.startJump(runner.currentSpeed);

      console.log(runner.config.MAX_SPEED);

      let Run = async () => {
        return await new Promise((res) => {
          const interval = setInterval(() => {
            if (!runner.playing) {
              res("");
              clearInterval(interval);
            } else if (!runner.tRex.jumping) {
              var inputs = getObstacles(runner);

              // console.log(Math.ceil(runner.distanceRan) * DIST_COEFFICIENT);

              var shouldJump = ShouldJump(inputs);
              if (shouldJump) {
                runner.tRex.startJump(runner.currentSpeed);
              }
            }
          }, 50);
        });
      };

      await Run();
      runner.restart();

      resolve({
        runner: runner,
      });
    });
  }

however seed should be returning an entity, not a promise i need the values to be changed for the seed

Unknown User•3y ago

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WOLFLEADER•3y ago

ye the issue is i need it in the setInterval

Unknown User•3y ago

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WOLFLEADER•3y ago

because I am basicallly having to poll the chrome dino game every 50ms to check if i should jump. and only way to do that is to have it in a setInterval the other solution was a while loop, but theres no way to sleep a while loop in JS

Unknown User•3y ago

Message Not Public

WOLFLEADER•3y ago

https://github.com/Glavin001/genetic-js/

GitHub

GitHub - Glavin001/genetic-js: Advanced genetic and evolutionary al...

Advanced genetic and evolutionary algorithm library written in Javascript - GitHub - Glavin001/genetic-js: Advanced genetic and evolutionary algorithm library written in Javascript

WOLFLEADER•3y ago

the thing is i should be able to make it a promise