Bahamut Anime Comment Mountains

彈幕密度山脈 for 巴哈姆特動畫瘋
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// ==UserScript==
// @name         Bahamut Anime Comment Mountains
// @version      0.2.2
// @description  彈幕密度山脈 for 巴哈姆特動畫瘋
// @author       JacobLinCool <[email protected]> (https://github.com/JacobLinCool)
// @license      MIT
// @homepage     https://github.com/JacobLinCool/Bahamut-Anime-Comment-Mountains#readme
// @supportURL   https://github.com/JacobLinCool/Bahamut-Anime-Comment-Mountains/issues
// @namespace    http://tampermonkey.net/
// @match        https://ani.gamer.com.tw/animeVideo.php?sn=*
// @icon         https://www.google.com/s2/favicons?domain=gamer.com.tw
// @grant        none
// ==/UserScript==


(() => {
  var __defProp = Object.defineProperty;
  var __defNormalProp = (obj, key, value) => key in obj ? __defProp(obj, key, { enumerable: true, configurable: true, writable: true, value }) : obj[key] = value;
  var __publicField = (obj, key, value) => {
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    return value;
  };
  var __async = (__this, __arguments, generator) => {
    return new Promise((resolve, reject) => {
      var fulfilled = (value) => {
        try {
          step(generator.next(value));
        } catch (e2) {
          reject(e2);
        }
      };
      var rejected = (value) => {
        try {
          step(generator.throw(value));
        } catch (e2) {
          reject(e2);
        }
      };
      var step = (x2) => x2.done ? resolve(x2.value) : Promise.resolve(x2.value).then(fulfilled, rejected);
      step((generator = generator.apply(__this, __arguments)).next());
    });
  };

  // src/utils.js
  function log(...msg) {
    if (msg.length >= 1) {
      console.log("%c[\u5F48\u5E55\u5C71\u8108]", "color: orange; font-weight: bold;", ...msg);
    } else {
      console.log();
    }
  }
  function retry(func, times = 3) {
    return __async(this, null, function* () {
      for (let i2 = 0; i2 < times; i2++) {
        try {
          return yield func();
        } catch (err) {
          log("Retry", i2 + 1, func, err);
        }
      }
      log("Failed", func);
      throw new Error("Failed");
    });
  }
  function sleep(ms, val) {
    return new Promise((resolve) => setTimeout(() => resolve(val), ms));
  }

  // node_modules/.pnpm/[email protected]/node_modules/preact/dist/preact.module.js
  var n;
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  var t;
  var r;
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  var f;
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  var c = [];
  var s = /acit|ex(?:s|g|n|p|$)|rph|grid|ows|mnc|ntw|ine[ch]|zoo|^ord|itera/i;
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    return n2;
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    l2 && l2.removeChild(n2);
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  function v(l2, u2, i2) {
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    if (l2.__d !== void 0)
      o2 = l2.__d, l2.__d = void 0;
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      n:
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      t2 && typeof l2[r2] != "function" || r2 === "children" || r2 === "key" || r2 === "value" || r2 === "checked" || u2[r2] === l2[r2] || H(n2, r2, l2[r2], u2[r2], i2);
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  function $(n2, l2, u2) {
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  function T(n2) {
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  // src/config.js
  var default_configs = {
    colorful: true,
    always: false,
    opacity: 0.3,
    wait: 1e3,
    segments: 50,
    threshold: 300
  };
  var configs = JSON.parse(localStorage.getItem("bahamut-anime-comment-mountains-configs") || JSON.stringify(default_configs));
  function get(key) {
    return configs[key];
  }
  function set(key, value) {
    configs[key] = value;
    localStorage.setItem("bahamut-anime-comment-mountains-configs", JSON.stringify(configs));
  }
  function reset() {
    localStorage.removeItem("bahamut-anime-comment-mountains-configs");
    for (let key in configs) {
      if (default_configs.hasOwnProperty(key)) {
        set(key, default_configs[key]);
      } else {
        delete configs[key];
      }
    }
  }
  var cfg = {
    get colorful() {
      return get("colorful");
    },
    get always() {
      return get("always");
    },
    get opacity() {
      return get("opacity");
    },
    get wait() {
      return get("wait");
    },
    get segments() {
      return get("segments");
    },
    get threshold() {
      return get("threshold");
    },
    set colorful(value) {
      value = !!value;
      set("colorful", value);
    },
    set always(value) {
      value = !!value;
      set("always", value);
    },
    set opacity(value) {
      value = parseFloat(value) || 0.3;
      set("opacity", value);
    },
    set wait(value) {
      value = parseInt(value) || 1e3;
      set("wait", value);
    },
    set segments(value) {
      value = parseInt(value) || 50;
      set("segments", value);
    },
    set threshold(value) {
      value = parseInt(value) || 300;
      set("threshold", value);
    }
  };

  // src/setup.jsx
  function setup() {
    const { canvas: canvas2, ctx: ctx2 } = create_canvas();
    if (cfg.always) {
      document.querySelector("video-js").appendChild(canvas2);
    } else {
      document.querySelector(".control-bar-mask").appendChild(canvas2);
    }
    const { canvas: preview, ctx: preview_ctx } = create_canvas();
    preview.style.zIndex = 15;
    document.querySelector(".R18").appendChild(preview);
    create_panel();
    return { canvas: canvas2, ctx: ctx2, preview, preview_ctx };
  }
  function create_canvas() {
    const canvas2 = document.createElement("canvas");
    Object.assign(canvas2, { width: 1e3, height: 300 });
    Object.assign(canvas2.style, {
      position: "absolute",
      bottom: 0,
      left: 0,
      width: "100%",
      zIndex: 5,
      "pointer-events": "none"
    });
    const ctx2 = canvas2.getContext("2d");
    Object.assign(ctx2, {
      fillStyle: "white",
      strokeStyle: "white",
      lineJoin: "round",
      lineCap: "round",
      lineWidth: 2
    });
    return { canvas: canvas2, ctx: ctx2 };
  }
  function create_panel() {
    const tabs = document.querySelector(".sub_top.ani-tabs");
    const contents = document.querySelector(".ani-tab-content");
    const tab = /* @__PURE__ */ v("div", {
      id: "cm-settings",
      class: "ani-tabs__item"
    }, /* @__PURE__ */ v("a", {
      class: "ani-tabs-link",
      href: "#ani-tab-content-cm",
      onClick: (e2) => {
        document.querySelector(".ani-tabs-link.is-active").classList.remove("is-active");
        e2.target.classList.add("is-active");
        document.querySelectorAll(".ani-tab-content__item").forEach((item) => {
          item.style.display = "none";
        });
        document.querySelector("#ani-tab-content-cm").style.display = "block";
        e2.preventDefault();
      }
    }, "\u5F48\u5E55\u5C71\u8108"));
    const content = /* @__PURE__ */ v("div", {
      class: "ani-tab-content__item",
      id: "ani-tab-content-cm",
      style: "display: none"
    }, /* @__PURE__ */ v("div", {
      class: "ani-setting-section"
    }, /* @__PURE__ */ v("h4", {
      class: "ani-setting-title"
    }, "\u5C71\u8108\u8A2D\u5B9A"), /* @__PURE__ */ v("div", {
      class: "ani-setting-item ani-flex"
    }, /* @__PURE__ */ v("div", {
      class: "ani-setting-label"
    }, /* @__PURE__ */ v("span", {
      class: "ani-setting-label__mian"
    }, "\u6301\u7E8C\u986F\u793A")), /* @__PURE__ */ v("div", {
      class: "ani-setting-value ani-set-flex-right"
    }, /* @__PURE__ */ v("div", {
      class: "ani-checkbox"
    }, /* @__PURE__ */ v("label", {
      class: "ani-checkbox__label"
    }, /* @__PURE__ */ v("input", {
      id: "cm-always",
      type: "checkbox",
      name: "ani-checkbox",
      checked: cfg.always,
      onChange: (e2) => {
        window.cm.always = e2.target.checked;
      }
    }), /* @__PURE__ */ v("div", {
      class: "ani-checkbox__button"
    }))))), /* @__PURE__ */ v("div", {
      class: "ani-setting-item ani-flex"
    }, /* @__PURE__ */ v("div", {
      class: "ani-setting-label"
    }, /* @__PURE__ */ v("span", {
      class: "ani-setting-label__mian"
    }, "\u5F69\u8272\u986F\u793A")), /* @__PURE__ */ v("div", {
      class: "ani-setting-value ani-set-flex-right"
    }, /* @__PURE__ */ v("div", {
      class: "ani-checkbox"
    }, /* @__PURE__ */ v("label", {
      class: "ani-checkbox__label"
    }, /* @__PURE__ */ v("input", {
      id: "cm-colorful",
      type: "checkbox",
      name: "ani-checkbox",
      checked: cfg.colorful,
      onChange: (e2) => {
        window.cm.colorful = e2.target.checked;
      }
    }), /* @__PURE__ */ v("div", {
      class: "ani-checkbox__button"
    }))))), /* @__PURE__ */ v("div", {
      class: "ani-setting-item ani-flex"
    }, /* @__PURE__ */ v("div", {
      class: "ani-setting-label"
    }, /* @__PURE__ */ v("span", {
      class: "ani-setting-label__mian"
    }, "\u4E0D\u900F\u660E\u5EA6"), /* @__PURE__ */ v("span", {
      class: "ani-setting-label__sub",
      id: "cm-opacity-label"
    }, cfg.opacity * 100, "%")), /* @__PURE__ */ v("div", {
      class: "ani-setting-value ani-set-flex-right"
    }, /* @__PURE__ */ v("div", {
      class: "ani-range",
      id: "cm-opacity-range"
    }, /* @__PURE__ */ v("input", {
      type: "range",
      id: "cm-opacity",
      max: "100",
      min: "10",
      step: "10",
      value: cfg.opacity * 100,
      onChange: (e2) => {
        window.cm.opacity = parseInt(e2.target.value) / 100;
        document.querySelector("#cm-opacity-label").innerText = e2.target.value + "%";
      }
    })))), /* @__PURE__ */ v("div", {
      class: "ani-setting-item ani-flex"
    }, /* @__PURE__ */ v("div", {
      class: "ani-setting-label"
    }, /* @__PURE__ */ v("span", {
      class: "ani-setting-label__mian"
    }, "\u71B1\u5EA6\u95A5\u503C"), /* @__PURE__ */ v("span", {
      class: "ani-setting-label__sub",
      id: "cm-threshold-label"
    }, cfg.threshold)), /* @__PURE__ */ v("div", {
      class: "ani-setting-value ani-set-flex-right"
    }, /* @__PURE__ */ v("div", {
      class: "ani-range",
      id: "cm-threshold-input"
    }, /* @__PURE__ */ v("input", {
      type: "number",
      id: "cm-threshold",
      max: "1000",
      min: "0",
      step: "10",
      value: cfg.threshold,
      onChange: (e2) => {
        window.cm.threshold = parseInt(e2.target.value);
        document.querySelector("#cm-threshold-label").innerText = e2.target.value;
      }
    })))), /* @__PURE__ */ v("div", {
      class: "ani-setting-item ani-flex"
    }, /* @__PURE__ */ v("div", {
      class: "ani-setting-label"
    }, /* @__PURE__ */ v("span", {
      class: "ani-setting-label__mian"
    }, "\u5207\u7247\u5927\u5C0F"), /* @__PURE__ */ v("span", {
      class: "ani-setting-label__sub",
      id: "cm-segments-label"
    }, cfg.segments)), /* @__PURE__ */ v("div", {
      class: "ani-setting-value ani-set-flex-right"
    }, /* @__PURE__ */ v("div", {
      class: "ani-range",
      id: "cm-segments-input"
    }, /* @__PURE__ */ v("input", {
      type: "number",
      id: "cm-segments",
      max: "1000",
      min: "0",
      step: "10",
      value: cfg.segments,
      onChange: (e2) => {
        window.cm.segments = parseInt(e2.target.value);
        document.querySelector("#cm-segments-label").innerText = e2.target.value;
      }
    }))))), /* @__PURE__ */ v("style", null, '#ani-tab-content-cm input[type="number"] ', "{", "border: none; color: #54c3e0; font-size: 2rem; text-align: right; ", "}"));
    S(tab, tabs.appendChild(document.createElement("div")));
    S(content, contents.appendChild(document.createElement("div")));
  }

  // src/types.js
  var Comment = class {
    constructor(data) {
      __publicField(this, "text", "");
      __publicField(this, "userid", "");
      __publicField(this, "color", "");
      __publicField(this, "position", 0);
      __publicField(this, "size", 0);
      __publicField(this, "sn", 0);
      __publicField(this, "time", 0);
      Object.assign(this, data);
    }
  };
  var Point = class {
    constructor(x2 = 0, y2 = 0) {
      __publicField(this, "x", 0);
      __publicField(this, "y", 0);
      this.x = x2;
      this.y = y2;
    }
  };

  // src/index.js
  var canvas;
  var ctx;
  var comments = [];
  var video_duration = null;
  (function() {
    return __async(this, null, function* () {
      yield sleep(cfg.wait);
      observe_video_src();
      let elms = setup();
      canvas = elms.canvas;
      ctx = elms.ctx;
      comments = yield get_comments();
      paint();
      elms.preview_ctx.drawImage(canvas, 0, 0);
      set_global_hook();
    });
  })();
  function paint() {
    const { max, heights } = calc_heights();
    const points = calc_points(heights);
    set_color(max);
    set_opacity();
    draw_mountains(points);
  }
  function get_comments(ignore = false) {
    return __async(this, null, function* () {
      const data = yield retry(() => fetch("https://ani.gamer.com.tw/ajax/danmuGet.php", {
        method: "POST",
        headers: {
          "Content-Type": "application/x-www-form-urlencoded"
        },
        body: `sn=${location.search.match(/\d+/)[0]}`
      }).then((res) => res.json()));
      const comments2 = data.map((x2) => new Comment(x2));
      log("Comments", comments2);
      if (ignore) {
        const ignores = yield retry(() => fetch("https://ani.gamer.com.tw/ajax/keywordGet.php").then((res) => res.json()).then((list) => list.map((x2) => x2.keyword)));
        return comments2.filter((x2) => !ignores.some((y2) => x2.text.includes(y2)));
      }
      return comments2;
    });
  }
  function calc_heights() {
    comments = comments.sort((a2, b2) => a2.time - b2.time);
    const width = (video_duration || comments[comments.length - 1].time) / cfg.segments;
    log("Width", width);
    const heights = new Array(cfg.segments).fill(0);
    let idx = 0;
    for (let i2 = 0; i2 < comments.length; i2++) {
      while (comments[i2].time > (idx + 1) * width + 0.1) {
        idx++;
      }
      heights[idx]++;
    }
    heights.splice(cfg.segments, heights.length - cfg.segments);
    log("Heights", heights);
    const max = Math.max(...heights);
    log("Max", max);
    const normalized = heights.map((x2) => x2 / max);
    log("Normalized", normalized);
    return { max, heights: normalized };
  }
  function calc_points(heights) {
    const points = [];
    for (let i2 = 0; i2 < heights.length; i2++) {
      points.push(new Point(canvas.width / heights.length * (i2 + 0.5), canvas.height * 0.5 * (2 - heights[i2])));
    }
    return points;
  }
  function set_color(max) {
    const offset = max - cfg.threshold < 50 ? max - cfg.threshold : 50;
    log("Color Offset", offset);
    if (cfg.colorful) {
      const grd = ctx.createLinearGradient(0, canvas.height * 0.5 + offset, 0, canvas.height);
      grd.addColorStop(0, "#BF616A");
      grd.addColorStop(0.4, "#EBCB8B");
      grd.addColorStop(0.5, "#EBCB8B");
      grd.addColorStop(1, "#A3BE8C");
      ctx.fillStyle = grd;
    } else {
      ctx.fillStyle = "white";
    }
  }
  function set_opacity() {
    if (cfg.opacity) {
      ctx.globalAlpha = cfg.opacity;
    } else {
      ctx.globalAlpha = 0.3;
    }
  }
  function draw_mountains(points) {
    const paint_points = [new Point(0, canvas.height), ...points, new Point(canvas.width, canvas.height)];
    const f2 = 0.3;
    const t2 = 0.6;
    let m2 = 0, dx1 = 0, dy1 = 0, dx2 = 0, dy2 = 0;
    ctx.clearRect(0, 0, canvas.width, canvas.height);
    ctx.beginPath();
    ctx.moveTo(0, canvas.height);
    let prev_point = paint_points[0];
    for (let i2 = 0; i2 < paint_points.length; i2++) {
      const curr_point = paint_points[i2];
      const next_point = paint_points[i2 + 1];
      if (next_point) {
        m2 = (next_point.y - prev_point.y) / (next_point.x - prev_point.x);
        dx2 = (next_point.x - curr_point.x) * -f2;
        dy2 = dx2 * m2 * t2;
      } else {
        m2 = 0;
        dx2 = 0;
        dy2 = 0;
      }
      ctx.bezierCurveTo(prev_point.x - dx1, prev_point.y - dy1, curr_point.x + dx2, curr_point.y + dy2, curr_point.x, curr_point.y);
      dx1 = dx2;
      dy1 = dy2;
      prev_point = curr_point;
    }
    ctx.lineTo(canvas.width, canvas.height);
    ctx.closePath();
    ctx.fill();
  }
  function set_global_hook() {
    window.cm = {
      reset() {
        reset();
        paint();
      }
    };
    for (const key in cfg) {
      Object.defineProperty(window.cm, key, {
        get: () => cfg[key],
        set: (val) => {
          cfg[key] = val;
          if (key === "always") {
            if (!!val) {
              document.querySelector("video-js").appendChild(canvas);
            } else {
              document.querySelector(".control-bar-mask").appendChild(canvas);
            }
          } else if (key === "wait") {
            log("Wait", val);
          } else {
            paint();
          }
        }
      });
    }
  }
  function observe_video_src() {
    const target = document.querySelector("video");
    const config = { attributes: true, attributeFilter: ["src"] };
    const observer = new MutationObserver((mutations) => {
      mutations.forEach((mutation) => {
        if (mutation.attributeName === "src") {
          target.addEventListener("loadedmetadata", () => {
            log("Real Video Duration", target.duration);
            video_duration = target.duration * 10;
            paint();
          });
        }
      });
    });
    observer.observe(target, config);
  }
})();
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