Update MediaWiki page '135 Protocol'
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@ -3,78 +3,86 @@ This page refers to the RSC #135 client revision. You can find a partially refac
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== '''Packet structure''' ==
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TODO.
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<pre>byte tempbuf[];
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if (in.available() >= 2) {
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len = in.read();
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if (len >= 160)
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len = (len - 160) * 256 + in.read();
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}
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if (len > 0 && in.available() >= len) {
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if (len >= 160) {
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opcode = in.read() & 0xff;
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len--;
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tempbuf = new byte[len];
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in.read(tempbuf, 0, len);
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put(tempbuf);
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} else {
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byte lastbyte = (byte) in.read();
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len--;
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if (len > 0) {
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opcode = in.read() & 0xff;
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len--;
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tempbuf = new byte[len];
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in.read(tempbuf, 0, len);
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put(tempbuf);
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put(lastbyte);
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} else {
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opcode = (lastbyte & 0xff);
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}
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}
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}
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</pre>
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RSC-135 uses big-endian byte order exclusively.
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== '''Reference''' ==
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Player usernames can be encoded and decoded as a long with the following methods:
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<pre>
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public static long encode_37(String s) {
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String s1 = "";
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for (int i = 0; i < s.length(); i++) {
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char c = s.charAt(i);
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if (c >= 'a' && c <= 'z')
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s1 = s1 + c;
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else if (c >= 'A' && c <= 'Z')
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s1 = s1 + (char) ((c + 97) - 65);
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else if (c >= '0' && c <= '9')
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s1 = s1 + c;
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else
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s1 = s1 + ' ';
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}
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s1 = s1.trim();
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if (s1.length() > 12)
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s1 = s1.substring(0, 12);
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long l = 0L;
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for (int j = 0; j < s1.length(); j++) {
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char c1 = s1.charAt(j);
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l *= 37L;
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if (c1 >= 'a' && c1 <= 'z')
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l += (1 + c1) - 97;
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else if (c1 >= '0' && c1 <= '9')
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l += (27 + c1) - 48;
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}
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return l;
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Player usernames are encoded and decoded with the following methods:
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<pre>public static long encode_37(String s) {
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String s1 = "";
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for (int i = 0; i < s.length(); i++) {
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char c = s.charAt(i);
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if (c >= 'a' && c <= 'z')
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s1 = s1 + c;
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else if (c >= 'A' && c <= 'Z')
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s1 = s1 + (char) ((c + 97) - 65);
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else if (c >= '0' && c <= '9')
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s1 = s1 + c;
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else
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s1 = s1 + ' ';
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}
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s1 = s1.trim();
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if (s1.length() > 12)
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s1 = s1.substring(0, 12);
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long l = 0L;
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for (int j = 0; j < s1.length(); j++) {
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char c1 = s1.charAt(j);
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l *= 37L;
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if (c1 >= 'a' && c1 <= 'z')
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l += (1 + c1) - 97;
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else if (c1 >= '0' && c1 <= '9')
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l += (27 + c1) - 48;
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}
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return l;
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}
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public static String decode_37(long l) {
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String s = "";
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while (l != 0L) {
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int i = (int) (l % 37L);
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l /= 37L;
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if (i == 0) {
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s = " " + s;
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} else if (i < 27) {
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if (l % 37L == 0L)
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s = (char) ((i + 65) - 1) + s;
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else
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s = (char) ((i + 97) - 1) + s;
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} else {
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s = (char) ((i + 48) - 27) + s;
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}
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}
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return s;
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}
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</pre>
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Player usernames are encoded like so exclusively in the account recovery process:
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<pre>
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public static long encode47(String arg0) {
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arg0 = arg0.trim();
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arg0 = arg0.toLowerCase();
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long l = 0L;
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int i = 0;
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for (int j = 0; j < arg0.length(); j++) {
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char c = arg0.charAt(j);
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if (c >= 'a' && c <= 'z' || c >= '0' && c <= '9') {
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char c1 = c;
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l = l * 47L * (l - (long) (c1 * 6) - (long) (i * 7));
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l += (c1 - 32) + i * c1;
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i++;
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}
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}
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return l;
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String s = "";
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while (l != 0L) {
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int i = (int) (l % 37L);
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l /= 37L;
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if (i == 0) {
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s = " " + s;
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} else if (i < 27) {
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if (l % 37L == 0L)
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s = (char) ((i + 65) - 1) + s;
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else
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s = (char) ((i + 97) - 1) + s;
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} else {
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s = (char) ((i + 48) - 27) + s;
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}
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}
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return s;
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}
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</pre>
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@ -171,29 +179,6 @@ public static long encode47(String arg0) {
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| Registration attempts exceeded?
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|}
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== '''Password Recovery''' ==
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Firstly, an integer is read from the stream.
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Then, the previous password and the new password are formatted and stored locally.
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The client begins a packet with opcode 8. The username is encoded and the long is written.
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Next, the client session ID is written.
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RSA line is put (old password + new password)
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(Presumably) The username is written as RSA long 5 times encoded with a special method used exclusively in the account recovery process (documented above).
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One byte is read and discarded.
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The next byte is the recovery response. The possible values:
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{| class="wikitable"
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|-
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! Response Code
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! Meaning
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|-
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| 0 || Sorry, recovery failed! You may try again in one hour.
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|-
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| 1 || Your pass has been reset. You may now use the new pass to login.
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|}
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Literally any other value results in a recovery failure and the following error message:
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"Recovery failed! Attempts exceeded?"
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== '''Packets''' ==
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The packet opcodes are unchanged from previous revisions, presumably this was before the protocol was being regularly modified to deter the developers of bots such as [[AutoRune]]. The payload/structure is quite similar to most other RSC revisions.
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@ -231,12 +216,12 @@ The packet opcodes are unchanged from previous revisions, presumably this was be
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* ?
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| ?
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|-
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! Initialize Ignore List
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! Ignore List
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| 26 ||
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* ?
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| ?
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|-
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! Privacy Settings
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! Initialize Privacy Settings
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| 27 ||
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* ?
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| ?
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@ -251,27 +236,27 @@ The packet opcodes are unchanged from previous revisions, presumably this was be
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* ?
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| ?
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|-
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! Ground Items
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! Ground Item Positions
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| 254 ||
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* ?
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| ?
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|-
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! Objects
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! Object Positions
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| 253 ||
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* ?
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| ?
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|-
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! Inventory
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! Whole Inventory
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| 252 ||
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* ?
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| ?
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|-
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! Players
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! Players (Appearance)
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| 250 ||
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* ?
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| ?
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|-
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! Boundaries
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! Boundary Positions
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| 249 ||
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* ?
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| ?
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@ -281,12 +266,12 @@ The packet opcodes are unchanged from previous revisions, presumably this was be
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* ?
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| ?
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|-
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! NPCs
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! NPCs (Appearance)
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| 247 ||
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* ?
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| ?
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|-
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! Dialog
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! Display Dialog
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| 246 ||
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* ?
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| ?
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@ -296,12 +281,12 @@ The packet opcodes are unchanged from previous revisions, presumably this was be
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* ?
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| ?
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|-
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! Init Map Region
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! Initialize World
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| 244 ||
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* ?
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| ?
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|-
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! Skills
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! All Skills
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| 243 ||
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* ?
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| ?
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@ -316,12 +301,12 @@ The packet opcodes are unchanged from previous revisions, presumably this was be
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* ?
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| ?
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|-
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! Environment
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! Update Environment
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| 240 ||
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* ?
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| ?
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|-
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! Character Design
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! Display Character Design
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| 239 ||
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* ?
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| ?
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@ -361,17 +346,17 @@ The packet opcodes are unchanged from previous revisions, presumably this was be
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* ?
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| ?
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|-
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! Game Settings
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! Init Game Settings
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| 228 ||
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* ?
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| ?
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|-
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! Prayers
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! Set Prayers
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| 227 ||
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* ?
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| ?
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|-
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! Quests
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! Set Quests
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| 226 ||
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* ?
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| ?
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@ -391,7 +376,7 @@ The packet opcodes are unchanged from previous revisions, presumably this was be
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* ?
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| ?
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|-
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! XP Update
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! Single XP Update
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| 220 ||
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* ?
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| ?
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@ -406,7 +391,7 @@ The packet opcodes are unchanged from previous revisions, presumably this was be
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* ?
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| ?
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|-
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! Skill Update
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! Single Skill Update
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* ?
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| ?
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@ -462,7 +447,7 @@ The packet opcodes are unchanged from previous revisions, presumably this was be
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|-
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! Report Abuse
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| 10 ||
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* Long - The long representation of the username of the user to report
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* Long - The long representation of the username to report
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| Sends an abuse report to the server
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|-
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! Add Friend
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@ -472,18 +457,18 @@ The packet opcodes are unchanged from previous revisions, presumably this was be
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! Remove Friend
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* Long - The long representation of the username of the user to report
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* Long - The long representation of the username to report
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| Removes a user from your friends list
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|-
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! Send Message
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* Long - The long representation of the username of the user to send the message to
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* Byte[] - A byte array containing the bytes of the message to send to the user
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* Long - The long representation of the username to send the message to
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* String - The message
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| Sends a message to the specified user
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|-
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! Ignore User
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* Long - The long representation of the username of the user to ignore
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* Long - The long representation of the username to ignore
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| Adds a user to your ignore list
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|-
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! Walk to Tile
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