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path: root/webAO/viewport/utils/setSide.ts
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import { positions } from "../constants/positions";
import { AO_HOST } from "../../client/aoHost";
import { client } from "../../client";
import findImgSrc from "../../utils/findImgSrc";
import transparentPng from "../../constants/transparentPng";
import fileExists from "../../utils/fileExists";

export async function setBackgroundImage(elementid: string, bgname: string, bgpart: string) {

  let url;
  let success = false;
  for (const extension of client.background_extensions) {
    url = `${AO_HOST}background/${encodeURI(bgname.toLowerCase())}/${bgpart}${extension}`;
    const exists = await fileExists(url);

    if (exists) {
      success = true;
      break;
    }
  }
  if (success)
    (<HTMLImageElement>document.getElementById(elementid)).src = url;
  else
    (<HTMLImageElement>document.getElementById(elementid)).src = transparentPng;
  return success;
}


/**
 * Changes the viewport background based on a given position.
 *
 * Valid positions: `def, pro, hld, hlp, wit, jud, jur, sea`
 * @param {string} position the position to change into
 */
export const set_side = async ({
  position,
  showSpeedLines,
  showDesk,
}: {
  position: string;
  showSpeedLines: boolean;
  showDesk: boolean;
}) => {
  const view = document.getElementById("client_fullview")!;
  let bench: HTMLImageElement;
  if (["def", "pro", "wit"].includes(position)) {
    bench = <HTMLImageElement>(
      document.getElementById(`client_${position}_bench`)
    );
  } else {
    bench = <HTMLImageElement>document.getElementById("client_bench_classic");
  }

  let court: HTMLImageElement;
  if ("def,pro,wit".includes(position)) {
    court = <HTMLImageElement>(
      document.getElementById(`client_court_${position}`)
    );
  } else {
    court = <HTMLImageElement>document.getElementById("client_court_classic");
  }

  let bg;
  let desk;
  let speedLines;

  if ("def,pro,hld,hlp,wit,jud,jur,sea".includes(position)) {
    bg = positions[position].bg;
    desk = positions[position].desk;
    speedLines = positions[position].speedLines;
  } else {
    bg = `${position}`;
    desk = { ao2: `${position}_overlay.png`, ao1: "_overlay.png" };
    speedLines = "defense_speedlines.gif";
  }

  if (showSpeedLines === true) {
    court.src = `${AO_HOST}themes/default/${encodeURI(speedLines)}`;
  } else {
    setBackgroundImage("client_court_classic",client.viewport.getBackgroundName(),bg);
  }

  if (showDesk === true && desk) {
    const bg_folder = client.viewport.getBackgroundFolder();
    const urls_to_try = [bg_folder + desk.ao2, bg_folder + desk.ao1];
    bench.src = await findImgSrc(urls_to_try);
    bench.style.opacity = "1";
  } else {
    bench.style.opacity = "0";
  }

  if ("def,pro,wit".includes(position)) {
    view.style.display = "";
    document.getElementById("client_classicview")!.style.display = "none";
    switch (position) {
      case "def":
        view.style.left = "0";
        break;
      case "wit":
        view.style.left = "-200%";
        break;
      case "pro":
        view.style.left = "-400%";
        break;
    }
  } else {
    view.style.display = "none";
    document.getElementById("client_classicview").style.display = "";
  }
};