mikl/hollow-knight-silksong-completion-check
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docs, name changes

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This commit is contained in:
ReznoRMichael 2021-01-23 12:25:07 +01:00
parent 1115e5c259
commit ca7698ad1f
2 changed files with 14 additions and 7 deletions
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2
js/HKCheckCompletion.js
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@ -451,6 +451,8 @@ const HK_STATISTICS = {
killsBindingSeal: ["Path of Pain", "White Palace: main secret area"], killsBindingSeal: ["Path of Pain", "White Palace: main secret area"],
}; };
// ---------------- Functions ----------------- //
/** /**
* Checks Hollow Knight game completion by analyzing the save file * Checks Hollow Knight game completion by analyzing the save file
* @param {object} jsonObject Decoded save data in JavaScript Object Notation form (JSON) * @param {object} jsonObject Decoded save data in JavaScript Object Notation form (JSON)

19
js/LoadSaveFile.js
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@ -1,8 +1,11 @@
/* /*
Parts of the code thanks to bloodorca https://github.com/bloodorca/hollow (base64.js, functions.js) with slight modifications. Parts of the code thanks to bloodorca https://github.com/bloodorca/hollow (base64.js, functions.js) with slight modifications.
The steps used there for decryption were taken from KayDeeTee https://github.com/KayDeeTee/Hollow-Knight-SaveManager The steps used there for decryption were taken from KayDeeTee https://github.com/KayDeeTee/Hollow-Knight-SaveManager
Without these two people the existence of this tool wouldn't be possible :)
*/ */
// ---------------- Constants ----------------- //
const CSHARP_HEADER = [0, 1, 0, 0, 0, 255, 255, 255, 255, 1, 0, 0, 0, 0, 0, 0, 0, 6, 1, 0, 0, 0]; // 22 bytes const CSHARP_HEADER = [0, 1, 0, 0, 0, 255, 255, 255, 255, 1, 0, 0, 0, 0, 0, 0, 0, 6, 1, 0, 0, 0]; // 22 bytes
const BASE64_ARRAY = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=".split("").map(c => c.charCodeAt(0)); const BASE64_ARRAY = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=".split("").map(c => c.charCodeAt(0));
@ -11,8 +14,12 @@ const BASE64_DECODE_TABLE = new Map(BASE64_ARRAY.map((ord, i) => [ord, i]));
const AES_KEY = new TextEncoder().encode('UKu52ePUBwetZ9wNX88o54dnfKRu0T1l'); // encodes a string to Uint8Array (prepare for AES JS) const AES_KEY = new TextEncoder().encode('UKu52ePUBwetZ9wNX88o54dnfKRu0T1l'); // encodes a string to Uint8Array (prepare for AES JS)
const ECB_STREAM_CIPHER = new aesjs.ModeOfOperation.ecb(AES_KEY); // create a new AES stream cipher object using the encoded key const ECB_STREAM_CIPHER = new aesjs.ModeOfOperation.ecb(AES_KEY); // create a new AES stream cipher object using the encoded key
// ---------------- Variables ----------------- //
let bench = { begin: 0, end: 0 }; let bench = { begin: 0, end: 0 };
// ---------------- Functions ----------------- //
// main input tag file function // main input tag file function
function LoadSaveFile(input) { function LoadSaveFile(input) {
// start benchmark // start benchmark
@ -48,8 +55,8 @@ function ProcessFileObject() {
// The slice() method copies up to, but not including, the byte indicated by the end parameter. // The slice() method copies up to, but not including, the byte indicated by the end parameter.
inputArrayBuffer.slice(); inputArrayBuffer.slice();
// remove C# header (ArrayBuffer) // remove C# header and LengthPrefixedString header (ArrayBuffer)
inputArrayBuffer = RemoveCSharpHeader(inputArrayBuffer); inputArrayBuffer = RemoveHeaders(inputArrayBuffer);
// base64 Decoding (ArrayBuffer) // base64 Decoding (ArrayBuffer)
inputArrayBuffer = Base64Decode(inputArrayBuffer); inputArrayBuffer = Base64Decode(inputArrayBuffer);
@ -80,9 +87,9 @@ function ProcessFileObject() {
} }
// removes C# header, LengthPrefixedString header and byte 11 at the end of the Uint8 Array Buffer // removes C# header, LengthPrefixedString header and byte 11 at the end of the Uint8 Array Buffer
function RemoveCSharpHeader(buffer) { function RemoveHeaders(buffer, csHeader = CSHARP_HEADER) {
// Remove the fixed C# header and byte 11 at the end. // Remove the fixed C# header and byte 11 at the end.
buffer = buffer.subarray(CSHARP_HEADER.length, buffer.length - 1); buffer = buffer.subarray(csHeader.length, buffer.length - 1);
// Remove LengthPrefixedString header // Remove LengthPrefixedString header
let lengthCount = 0; let lengthCount = 0;
@ -93,9 +100,7 @@ function RemoveCSharpHeader(buffer) {
} }
} }
let fixedArrayBuffer = buffer.subarray(lengthCount); return buffer.subarray(lengthCount);
return fixedArrayBuffer;
} }
// Thanks to KayDeeTee https://github.com/KayDeeTee/Hollow-Knight-SaveManager and bloodorca https://github.com/bloodorca/hollow (base64.js) // Thanks to KayDeeTee https://github.com/KayDeeTee/Hollow-Knight-SaveManager and bloodorca https://github.com/bloodorca/hollow (base64.js)