Add Monster Hunter Wilds

PC_Steam_Monster_Hunter_Wilds.js

@@ -0,0 +1,185 @@
+// ==UserScript==
+// @name         Monster Hunter Wilds
+// @version      1.000.05.00
+// @author       Mansive
+// @description  Steam
+// * CAPCOM Co., Ltd.
+//
+// https://store.steampowered.com/app/2246340/Monster_Hunter_Wilds/
+// ==/UserScript==
+
+const __e = Process.enumerateModules()[0];
+
+// using original size leads to access violation
+__e.size = 0x10000000;
+
+const texts = new Set();
+let timer = null;
+let timerDialogueEnable = null;
+let open = false;
+
+//#region Hooks
+
+const hooks = [
+  {
+    name: "DialogueEnable",
+    pattern:
+      // "E8 46 11 B1 02 41 83 BE C0 02 00 00 03 41 0F 94 C0 48 89 F1 48 89 FA E8",
+      "e8 ?? ?? ?? ?? 4? 83 b? ?? ?? ?? ?? ?? 4? 0f 94",
+    register: null,
+    handler: dialogueEnableHandler,
+  }, // E8 4611B102
+  {
+    name: "Dialogue",
+    pattern:
+      // "FF 15 37 D1 44 04",
+      "ff 15 ?? ?? ?? ?? 89 c2 4? 89 f9 4? 89 e0 4? 31 c9 e8 ?? ?? ?? ?? 4? 85 c0 75",
+    register: "rax",
+    handler: dialogueHandler,
+  },
+];
+
+//#endregion
+
+//#region Attach
+
+/**
+ * Scans a pattern in memory and returns a NativePointer for first match.
+ * @param {string} name
+ * @param {string} pattern
+ * @returns {NativePointer}
+ */
+function getPatternAddress(name, pattern) {
+  let results = null;
+
+  try {
+    results = Memory.scanSync(__e.base, __e.size, pattern);
+  } catch (err) {
+    throw new Error(`Error ocurred with [${name}]: ${err.message}`, {
+      cause: err,
+    });
+  }
+
+  if (results.length === 0) {
+    throw new Error(`[${name}] Hook not found!`);
+  } else if (results.length >= 2) {
+    console.warn(`${name} has ${results.length} results`);
+  }
+
+  const address = results[0].address;
+
+  console.log(`\x1b[32m[${name}] Found hook ${address}\x1b[0m`);
+
+  return address;
+}
+
+function attachHooks() {
+  for (const hook of hooks) {
+    const { name, pattern, register, handler } = hook;
+    const address = getPatternAddress(name, pattern);
+
+    Interceptor.attach(address, function () {
+      handler.call(this, name, this.context[register]);
+    });
+  }
+}
+
+//#endregion
+
+//#region Handlers
+
+function genericHandler(text) {
+  texts.add(text);
+
+  clearTimeout(timer);
+  timer = setTimeout(() => {
+    trans.send([...texts].join("\r\n"));
+    texts.clear();
+  }, 200);
+}
+
+/** Temporarily enable {@link dialogueHandler}. */
+function dialogueEnableHandler(name) {
+  console.log(`onEnter: ${name}`);
+
+  open = true;
+
+  clearTimeout(timerDialogueEnable);
+  timerDialogueEnable = setTimeout(() => {
+    open = false;
+  }, 500);
+}
+
+function dialogueHandler(name, address) {
+  if (open === false) {
+    // console.log(`\x1b[2mskipped: ${name}\x1b[0m`);
+    return null;
+  }
+
+  console.log(`onEnter: ${name}`);
+
+  const text = address
+    .readUtf16String()
+    .replace(/<\/?ITALIC>/g, "")
+    .replace(/<.+>/g, "");
+  genericHandler(text);
+}
+
+//#endregion
+
+//#region Start
+
+/**
+ * Installing REFramework involves placing a customized dinput8.dll into the
+ * game's folder.
+ *
+ * The function returns true if the string "REFramework" is found in the game's
+ * dinput8.dll.
+ */
+function checkForREFramework() {
+  let found = false;
+
+  // there can be multiple dinput8.dll, need to check each one
+  for (const module of Process.enumerateModules()) {
+    if (module.name.toLowerCase() === "dinput8.dll") {
+      // bytes of the string "REFramework"
+      const pattern = "52 45 46 72 61 6d 65 77 6f 72 6b";
+      const results = Memory.scanSync(module.base, module.size, pattern);
+
+      if (results.length !== 0) {
+        found = true;
+        break;
+      }
+    }
+  }
+
+  if (found === true) {
+    console.log(`\x1b[32mREFramework found.\n\x1b[0m`);
+    return true;
+  } else if (found === false) {
+    console.warn(`
+      \rREFramework not found!
+      \rThe game might crash horrifically.
+      `);
+    return false;
+  }
+}
+
+function start() {
+  console.warn(`
+    \rThis script requires Capcom's anti-tamper to be disabled,
+    \ror else attaching will cause the game to crash.
+
+    \rOne way to disable it is by installing REFramework.
+    \rLink: https://github.com/praydog/REFramework
+
+    \rUse this script (and REFramework) at your own risk!
+    `);
+
+  checkForREFramework();
+  attachHooks();
+}
+
+start();
+
+//#endregion