Add 428: Shibuya Scramble

PC_Steam_428_Shibuya_Scramble.js

@@ -0,0 +1,142 @@
+// ==UserScript==
+// @name         428: Shibuya Scramble (428 〜封鎖された渋谷で〜)
+// @version      1.0.0
+// @author       Mansive, AuroraWright
+// @description  Steam
+// * Spike Chunsoft Co., Ltd.
+// * Abstraction Games
+//
+// https://store.steampowered.com/app/648590/428_Shibuya_Scramble/
+// ==/UserScript==
+
+const __e = Process.enumerateModules()[0];
+
+console.warn("For the Japanese version of the game, not the English one.");
+console.warn("Known issue: Guide hook prints all the text at once");
+
+const handler1 = trans.send((s) => s, "600++");
+const handler2 = trans.send((s) => s, "800+"); // appear after
+
+const decoder = new TextDecoder("utf-8");
+
+// attach("Dialogue1", "8A 0F 83 E8 00 74 2B 83 E8 02 BB 02 00 00 00 80", "edi", handler);
+attach("Dialogue2", "0F B6 08 8D 50 01 8B C1 89 57 14 83 E8 00 74 ED", "eax", handler1, perChar);
+attach("Guide", "8B CA 8D 79 01 8A 01 41 84 C0 75 F9 2B CF 8D 44 24", "edx", handler2, once);
+
+function getPatternAddress(name, pattern) {
+  const results = Memory.scanSync(__e.base, __e.size, pattern);
+  if (results.length === 0) {
+    throw new Error(`[${name}] Hook not found!`);
+  }
+
+  let address = results[0].address;
+  console.log(`\x1b[32m[${name}] Found hook ${address}\x1b[0m`);
+  if (results.length > 1) {
+    console.warn(`${name} has ${results.length} results`);
+  }
+
+  return address;
+}
+
+function once(address, name, register, handler) {
+  Interceptor.attach(address, {
+    onEnter() {
+      const text = this.context[register].readUtf8String();
+      handler(text);
+    },
+  });
+}
+
+function perChar(address, name, register, handler) {
+  let previousAddress = NULL;
+  let skipNewLine = false;
+  Interceptor.attach(address, function (args) {
+    // console.log("onEnter:", name);
+    // 02 1b 00 1E 00 01 | new line?
+    // 02 1B 00 1E 00 2D | text remaining cursor on new line
+    // 02 1B 00 1E 00 01 | text remaining cursor on new line
+    // 02 1b 00 01 | new line? text remaining?
+    // 02 1f 00 | end of line
+    // 02 1b 00 | text remaining...
+    // 02 1e 00 01 | text remaining, inline
+    // 02 2D 04 | midline pause
+    // 02 06 00 10 | new line?
+    // 0x2 0x74 0x19 0x0 | separator in bad end screens after "No. XX"
+    // 0x2 0x18 0x0 0x1b | newline in hint screens after "ヒント"
+
+    // choice sequences (the engine seems to add a newline *if not already present in the previous sentence*):
+    // e3 80 80 02
+    // 02 0e 01 00
+    // e3 80 80 02
+    // 02 2d 04 00
+
+    // dots
+    // E3 80 8C 02 43 02 01 00 43 02 01 00 0F 01 08 01 E7 AC B9
+    // E3 81 A8 02 43 02 01 00 43 02 01 00 0F 01 08 2D 04 00 00 00 1E 01 EF BC 91
+    //          02 43 02 01 00 43 02 01 00 0F 01 08 1F 00 25 00
+
+    /** @type {NativePointer} */
+    const address = this.context[register];
+    if (address.equals(previousAddress)) {
+      return;
+    }
+    previousAddress = address;
+
+    const byte1 = address.readU8();
+    const byte2 = address.add(1).readU8();
+    const byte3 = address.add(2).readU8();
+    const byte4 = address.add(3).readU8();
+
+    if (byte1 === 0x02 && (byte2 === 0x06 || byte2 === 0x1b || byte2 === 0x25 || byte2 === 0x18)) {
+      handler("\n");
+      skipNewLine = true;
+      return;
+    } else if (byte1 === 0x02 && byte2 === 0x43 /* byte3 === 0x02 */) {
+      handler("……");
+      skipNewLine = false;
+      return;
+    } else if (byte1 === 0x02 && byte2 === 0x2b && byte3 === 0x01) {
+      handler("——");
+      skipNewLine = false;
+      return;
+    } else if (byte1 === 0x02 && byte2 === 0x74) {
+      handler(" ");
+      skipNewLine = false;
+      return;
+    } else if (byte1 === 0x02 && byte2 === 0xe && byte3 === 0x01) {
+      if (skipNewLine) {
+        handler("(?) ");
+      } else {
+        handler("\n(?) ");
+      }
+      skipNewLine = false;
+      return;
+    } else if (byte1 === 0xe3 && byte2 === 0x80 && byte3 === 0x80 && byte4 === 0x02) {
+      return;
+    } else if (byte1 === 0xe4 && byte2 === 0xbb && byte3 === 0x9d) {
+      // "E4 BB 9D" is "仝" but gets rendered as full-width whitespace ingame
+      handler("　");
+      skipNewLine = false;
+      return;
+    } else if (byte1 === 0x2) { // other engine control characters we don't care about
+      skipNewLine = false;
+      //console.warn(ptr(byte1), ptr(byte2), ptr(byte3), ptr(byte4));
+      return;
+    }
+
+    const char = decoder.decode(Uint8Array.from([byte1, byte2, byte3, byte4]))[0];
+    skipNewLine = false;
+    //console.warn(ptr(byte1), ptr(byte2), ptr(byte3), ptr(byte4), char);
+
+    handler(char);
+  });
+}
+
+function attach(name, pattern, register, handler, strategy) {
+  const address = getPatternAddress(name, pattern);
+  strategy(address, name, register, handler);
+}
+
+trans.replace((s) => {
+  return s.trim();
+});