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annotate rlgterm.js @ 55:96815eae4ebe

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RLG-Web: make multiple watchers possible. Split the TermSession class into the new TermSession, which handles the PTY, and client classes, which handle HTTP sessions. These are Player and Watcher. This allows multiple watchers per game, and other improvements.
author John "Elwin" Edwards <elwin@sdf.org>
date Mon, 18 Jun 2012 13:43:51 -0700
parents 2eda3909f6a3
children 7f3ca16409fe
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1 /* rlgterm.js: Roguelike Gallery's driver for termemu.js */
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2
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3 // A state machine that keeps track of polling the server.
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4 var ajaxstate = {
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5 state: 0,
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6 timerID: null,
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7 clear: function () {
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8 if (this.timerID != null) {
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9 window.clearTimeout(this.timerID);
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10 this.timerID = null;
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11 }
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12 },
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13 set: function (ms) {
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14 this.clear();
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15 this.timerID = window.setTimeout(getData, ms);
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16 },
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17 gotdata: function () {
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18 this.set(1000);
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19 this.state = 1;
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20 },
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21 gotnothing: function () {
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22 if (this.state == 0) {
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23 this.set(1000);
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24 this.state = 1;
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25 }
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26 else if (this.state < 4) {
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27 this.set(4000);
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28 this.state++;
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29 }
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30 else if (this.state < 8) {
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31 this.set(15000);
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32 this.state++;
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33 }
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34 else {
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35 /* It's been over a minute. Stop polling. */
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36 this.clear();
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37 }
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38 },
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39 posted: function (wasdata) {
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40 if (wasdata) {
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41 this.set(1000);
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42 this.state = 1;
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43 }
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44 else {
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45 this.set(200);
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46 this.state = 0;
0
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47 }
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48 }
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49 };
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51 /* Data on the available games. */
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52 var games = {
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53 "rogue3": {
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54 "name": "Rogue V3",
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55 "uname": "rogue3"
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56 },
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57 "rogue4": {
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58 "name": "Rogue V4",
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59 "uname": "rogue4"
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60 },
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61 "rogue5": {
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62 "name": "Rogue V5",
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63 "uname": "rogue5"
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64 },
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65 "srogue": {
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66 "name": "Super-Rogue",
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67 "uname": "srogue"
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68 }
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69 };
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70
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71 /* Login name and key */
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72 var lname = null;
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73 var lcred = null;
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74
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75 function writeData(hexstr) {
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76 var codenum;
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77 var codes = [];
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78 var nc;
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79 var u8wait = 0; /* Stores bits from previous bytes of multibyte sequences. */
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80 var expect = 0; /* The number of 10------ bytes expected. */
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81 /* UTF-8 translation. */
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82 for (var i = 0; i < hexstr.length; i += 2) {
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83 nc = Number("0x" + hexstr.substr(i, 2));