Encoding

Base64, Base62, RC4, hex, BigNum, CBOR/JSON, UTF-8, GameGuard XOR/hex obfuscation

Functions 63Code 29 KBAddresses 0x004DD810 to 0x00A85F20

Filter these functions63 functions

Address	Size	Name	Description
0x004DD810	351	STL_utf8_encode_codepoint	Encodes a Unicode codepoint to UTF-8 bytes, determining sequence length (1-4 bytes) and delegating to appropriate encoder via jump table.
0x004DE410	193	STL_detect_bom_encoding	Detects BOM encoding type (UTF-8/16/32 LE/BE) and advances pointer past BOM; returns encoding ID or unknown.
0x004DE4E0	118	STL_detect_encoding_from_bom_or_nulls	Detects text encoding (UTF-32/UTF-16/UTF-8) by checking BOM or null byte patterns in buffer.
0x004DEFC0	165	STL_utf8_validate_trailing_bytes	Validates UTF-8 multi-byte character sequences by checking continuation byte markers and lead byte ranges for E0, ED, F0, F4.
0x0050B0E0	719	hex_encode_bytes	Encodes binary data as hexadecimal string characters
0x0050B3C0	84	hex_encode_byte_range	Encodes binary data as hexadecimal string characters
0x0050B420	27	base64_encode_standard	Wrapper that encodes data using standard base64 alphabet (A-Z, a-z, 0-9, +/, =) for RO client data encoding.
0x0050B440	27	base64_encode_standard_to_string	Wrapper that encodes data to base64 using standard alphabet (A-Za-z0-9+/=) and writes to string
0x0050B460	27	base64_decode_standard	Wrapper that decodes base64-encoded data using standard RFC 4648 alphabet (+/ padding).
0x0050B480	1330	base64_encode	Encodes binary data to base64 using provided lookup table, appending result to std::string output buffer with dynamic allocation.
0x0050B9D0	354	base64_encode_to_string	Encodes binary data to base64 string using custom alphabet from param_3 config, with configurable padding char
0x0050BB40	382	base64_decode_from_string	Encodes 3-byte chunks into 4-character base64 strings using custom alphabet, padding with configurable char.
0x0050BCC0	27	base64url_encode	Encodes data using base64url alphabet (RFC 4648) with '-' and '_' instead of '+' and '/'
0x0050BCE0	27	base64url_encode_to_string	Encodes data to base64url format (RFC 4648) using URL-safe alphabet with '-' and '_' instead of '+' and '/'
0x0050BD00	27	base64url_decode	Decodes base64url-encoded strings using RFC 4648 alphabet (replacing + with - and / with _)
0x0050BEF0	877	json_escape_string	Escapes JSON string by encoding special chars (\b\t\n\f\r\"\\), control chars, non-ASCII (if param_3), and / (if param_4) as \uXXXX or surrogate pairs.
0x0050C9A0	1059	BigNum__ParseDecimalString	Parses decimal string into BigNum, handles negative sign, validates digits, builds limb representation with error handling.
0x0050CF80	314	utf8_decode_codepoint_v2	Decodes single UTF-8 codepoint from byte stream, validates trailing bytes, returns U+FFFD for invalid sequences.
0x0050D840	1123	BigInt__SerializeToBase256	Serializes a big integer to base-256 representation by repeatedly dividing by 256 and pushing remainder bytes to vector.
0x00515050	159	JsonValue__GetArrayRange	Extracts begin/end iterators from JSON array value, throws exception if type is not array (type==9).
0x005150F0	174	JsonValue__GetArrayRange_recursive	Recursively dereferences JSON array values of type reference (0xC) to extract array bounds into output parameter.
0x005151A0	199	JsonValue__GetBool	Extracts boolean value from JSON value object, handling bool/int/reference types with recursive dereferencing.
0x00515290	159	JsonValue__GetByteString	Extracts byte string data (type 8) from JsonValue, recursively dereferences type 0xC references, throws on type mismatch.
0x00515330	158	JsonValue__GetCString	Extracts C string pointer from JSON value, dereferencing type 6/7/C nodes; throws exception if not string type.
0x005153D0	318	JsonValue__GetDouble	Extracts double value from JsonValue, supporting int/uint/half-float/double/string types with locale-aware parsing and reference dereferencing.
0x00515540	181	JsonValue__GetStringPtrLen	Extracts string pointer and length from JsonValue; handles inline strings (type 6), allocated strings (type 7), and references (type 0xC).
0x00515600	275	BigInt__Compare	Compares two BigInt objects by sign, then magnitude (128-bit limbs), returns -1/0/1 with negation if negative.
0x00515720	165	JsonValue__HasMapKey	Checks if a JSON map contains a given key; dereferences type 0xC references and searches the map's string-keyed entries.
0x005157D0	185	BigInt__AllocateLimbs	Allocates and initializes limb array for BigInt, rounding count to 4-limb multiples, using aligned allocation for sizes >=4KB.
0x00515D60	3571	BigInt__DivMod	Performs big integer division with remainder using Knuth Algorithm D, handling both single and multi-limb divisors.
0x00516BE0	801	CborValue__Accept	Implements visitor pattern dispatch for CBOR value types, invoking appropriate handler vtable methods based on value type tag.
0x00516F40	180	CborValue__GetMajorType	Extracts the major type (upper 3 bits) from a CBOR value's type byte at offset +4
0x00517000	276	CborValue__MapLookup	Looks up a key in a CBOR map structure, returns pointer to value at offset +0x18, throws exception if key not found or invalid type.
0x00517120	49	CborValue__GetByteStringTag	Extracts 8-byte tag value from CBOR byte string, dereferencing indirect references (type 0xC) until reaching actual data.
0x00517160	167	CborValue__FindMapEntry	Locates a key entry in a CBOR map/tag structure; returns iterator to matching or end position for binary search.
0x005752A0	129	safe_wchar_realloc	Reallocates wide-character buffer with size validation; doubles allocation size and throws error code 0x8007000e on failure.
0x00575650	182	mbstr_to_wstr_alloc	Converts multibyte string to dynamically allocated wide string using locale-aware _Mbrtowc conversion, caller must free.
0x00581BF0	71	count_mbcs_chars	Counts multi-byte characters in a string within optional bounds using CharNextExA for codepage-aware iteration.
0x00581C40	71	count_utf8_chars	Counts UTF-8 characters in a byte range by skipping continuation bytes (0x80-0xBF), handling null-terminated or bounded strings.
0x00581C90	76	get_mbcs_byte_length	Calculates byte length of MBCS string within optional bounds using CharNextExA for proper multi-byte character iteration.
0x00581CE0	36	utf8_skip_char	Skips past one UTF-8 character by advancing pointer over continuation bytes (0x80-0xBF).
0x00581D10	34	utf8_retreat_char	Moves a UTF-8 string pointer backwards by one character, skipping continuation bytes (0x80-0xBF).
0x005843D0	423	BigNum__SubtractRepeated	Repeatedly subtracts a divisor from a BigNum until result < divisor, returning quotient via trial division with borrow propagation.
0x00588820	334	utf8_decode_codepoint	Decodes UTF-8 byte sequence to Unicode codepoint with validation flags for underflow, surrogates, and max codepoint violations.
0x005F6A30	1820	base64_decode	Decodes base64-encoded strings with optional newline stripping, outputting to STL string buffer with length validation.
0x005F7160	115	base64_decode_assign	Assigns base64-decoded data from param_1 to STL string param_2, managing stack frame setup/teardown
0x005F71E0	155	base64_encode_with_string_output	Wraps base64_encode_to_string_v2 to encode param_1 into an STL string output, with stack canary protection.
0x005F7280	2808	std_string__append_base64_char	Appends a single base64-encoded character to a std::string with dynamic reallocation, using param_4 to select alphabet variant.
0x005F8180	90	base64_decode_char_lookup	Decodes base64 character to 6-bit value (0-63); supports standard and URL-safe alphabet variants (+/- and -/_ mappings.
0x006B2EF0	1630	JSON__EscapeString	Escapes JSON string by wrapping in quotes and converting special chars (\b,\t,\n,\f,\r,\",\\) and control chars (<0x20) to escape sequences.
0x006B35E0	149	JSON__IntToString	Converts a signed integer to a string representation and assigns it to a std::string object.
0x006B3760	293	JSON__DoubleToString	Converts double to JSON string, formats with "%#.16g", strips trailing zeros and unnecessary decimals.
0x006B3B10	1334	JSON__WriteArray	Serializes a Variant array to JSON format, supporting both inline and expanded (newline-indented) output modes.
0x006B4050	1056	JSON__WriteArray_PrettyPrint	Serializes JSON array to string with pretty-printing, handling multiline formatting, indentation, and element iteration with commas.
0x00735B60	1652	rc4_crypt	RC4 stream cipher encryption/decryption processing 8 bytes per iteration, updating S-box state and XORing keystream with data
0x007FBBD0	257	item_link_base62_decode	Decodes a base62-encoded string into an integer value using alphabet "0-9a-zA-Z".
0x007FBCE0	694	item_link_base62_encode	Encodes a numeric value using base-62 alphabet into a std::vector<char> string buffer.
0x0081C4B0	257	DecodeBase62String	Decodes a base-62 encoded string (0-9a-zA-Z) into a 32-bit integer value for item/chat IDs.
0x00842A20	257	Base62__Decode	Decodes a base-62 encoded string (0-9a-zA-Z) into an integer using positional weighting with base 62.
0x00842B30	694	Base62__Encode	Encodes a 32-bit integer to base-62 string using charset "0-9a-zA-Z", stores result in std::string output parameter.
0x0097DF00	257	base62_decode	Decodes base-62 encoded string (0-9a-zA-Z) to integer using positional notation with base 62.
0x0097E170	140	find_line_break_in_text	Finds the next line break in text, skipping multi-byte color codes and handling character boundaries for rendering.
0x00A85F20	107	string_to_lower_mbcs	Converts ASCII uppercase letters to lowercase in MBCS strings, respecting multibyte character boundaries via CharNextExA.