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function compute() {
/* Initiate basic time variables */
let h = 0;
let m = 0;
let s = 0;
let ms = 0;
/*
* Get framerate, start frame, and end frame from corresponding elements
* Double check they all have a value
*/
let fps = parseInt(document.getElementById("framerate").value);
let sframe = document.getElementById("startobj").value;
let eframe = document.getElementById("endobj").value;
if (typeof (sframe) === "undefined" || typeof (eframe) === "undefined"
|| typeof (fps) === "undefined")
return;
/* Calculate framerate */
let frames = (eframe - sframe) * fps;
s = Math.floor(frames / fps);
frames = frames % fps;
ms = Math.round(frames / fps * 1000);
if (ms < 10)
ms = "00" + ms;
else if (ms < 100)
ms = "0" + ms;
if (s >= 60) {
m = Math.floor(s / 60);
s = s % 60;
s = s < 10 ? "0" + s : s;
}
if (m >= 60) {
h = Math.floor(m / 60);
m = m % 60;
m = m < 10 ? "0" + m : m;
}
/* Show the time and mod message in the DOM */
let ftime =
h.toString() + "h " + m.toString() + "m " + s.toString() + "s " + ms.toString() + "ms";
let mod_message = `Mod Note: Retimed (Start: Frame ${sframe * fps}, End: ${
eframe * fps}, FPS: ${fps}, Total Time: ${ftime})`;
document.getElementById("time").value = ftime;
document.getElementById("mod_message").disabled = false;
document.getElementById("mod_message").innerText = mod_message;
document.getElementById("mod_message_button").disabled = false;
}
/* Allow user to copy mod message to clipboard */
function copy_mod_message() {
const text_area = document.getElementById("mod_message");
text_area.focus();
text_area.select();
document.execCommand("copy");
alert(
`The mod message has been copied to clipboard! Please paste it into the comment of the run you are verifying.`);
}
/* If framerate is invalid, show an error message and disable start and end frame fields */
const check_fps =
(event) => {
if (event.target.value === "" || parseInt(event.target.value) <= 0
|| isNaN(parseInt(event.target.value))) {
document.getElementById("framerate")
.setCustomValidity("Please enter a valid framerate.");
document.getElementById("framerate").reportValidity();
document.getElementById("startobj").disabled = true;
document.getElementById("endobj").disabled = true;
document.getElementById("compute_button").disabled = true;
} else {
document.getElementById("startobj").disabled = false;
document.getElementById("endobj").disabled = false;
document.getElementById("compute_button").disabled = false;
}
}
/* Get current frame from input field (either start time or end time) */
const parse_time = (event) => {
let inptext_frame = (JSON.parse(event.target.value)).lct;
if (typeof inptext_frame !== "undefined") {
let fps = parseInt(document.getElementById("framerate").value);
let frameFromObj = (time, fps) => Math.floor(time * fps) / fps;
let fframe = frameFromObj(inptext_frame, fps);
document.getElementById(event.target.id).value = `${fframe}`;
}
}
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