git.cworth.org Git - lmno.games/blob - empathy/empathy.jsx

   1 const MAX_PROMPT_ITEMS = 20;
   2
   3 function undisplay(element) {
   4   element.style.display="none";
   5 }
   6
   7 function add_message(severity, message) {
   8   message = `<div class="message ${severity}" onclick="undisplay(this)">
   9 <span class="hide-button" onclick="undisplay(this.parentElement)">&times;</span>
  10 ${message}
  11 </div>`;
  12   const message_area = document.getElementById('message-area');
  13   message_area.insertAdjacentHTML('beforeend', message);
  14 }
  15
  16 /*********************************************************
  17  * Handling server-sent event stream                     *
  18  *********************************************************/
  19
  20 const events = new EventSource("events");
  21
  22 events.onerror = function(event) {
  23   if (event.target.readyState === EventSource.CLOSED) {
  24     setTimeout(() => {
  25       add_message("danger", "Connection to server lost.");
  26     }, 1000);
  27   }
  28 };
  29
  30 events.addEventListener("game-info", event => {
  31   const info = JSON.parse(event.data);
  32
  33   window.game.set_game_info(info);
  34 });
  35
  36 events.addEventListener("player-info", event => {
  37   const info = JSON.parse(event.data);
  38
  39   window.game.set_player_info(info);
  40 });
  41
  42 events.addEventListener("player-enter", event => {
  43   const info = JSON.parse(event.data);
  44
  45   window.game.set_other_player_info(info);
  46 });
  47
  48 events.addEventListener("player-exit", event => {
  49   const info = JSON.parse(event.data);
  50
  51   window.game.remove_player(info);
  52 });
  53
  54 events.addEventListener("player-update", event => {
  55   const info = JSON.parse(event.data);
  56
  57   if (info.id === window.game.state.player_info.id)
  58     window.game.set_player_info(info);
  59   else
  60     window.game.set_other_player_info(info);
  61 });
  62
  63 events.addEventListener("game-state", event => {
  64   const state = JSON.parse(event.data);
  65
  66   window.game.reset_game_state();
  67
  68   window.game.set_prompts(state.prompts);
  69
  70   window.game.set_active_prompt(state.active_prompt);
  71
  72   window.game.set_players_answered(state.players_answered);
  73
  74   window.game.set_players_answering(state.players_answering);
  75
  76   window.game.set_answering_idle(state.answering_idle);
  77
  78   window.game.set_end_answers(state.end_answers);
  79
  80   window.game.set_ambiguities(state.ambiguities);
  81
  82   window.game.set_players_judged(state.players_judged);
  83
  84   window.game.set_players_judging(state.players_judging);
  85
  86   window.game.set_judging_idle(state.judging_idle);
  87
  88   window.game.set_end_judging(state.end_judging);
  89
  90   window.game.set_scores(state.scores);
  91
  92   window.game.set_new_game_votes(state.new_game_votes);
  93
  94   window.game.state_ready();
  95 });
  96
  97 events.addEventListener("prompt", event => {
  98   const prompt = JSON.parse(event.data);
  99
 100   window.game.add_or_update_prompt(prompt);
 101 });
 102
 103 events.addEventListener("start", event => {
 104   const prompt = JSON.parse(event.data);
 105
 106   window.game.set_active_prompt(prompt);
 107 });
 108
 109 events.addEventListener("player-answered", event => {
 110   const player = JSON.parse(event.data);
 111
 112   window.game.set_player_answered(player);
 113 });
 114
 115 events.addEventListener("player-answering", event => {
 116   const player = JSON.parse(event.data);
 117
 118   window.game.set_player_answering(player);
 119 });
 120
 121 events.addEventListener("answering-idle", event => {
 122   const value = JSON.parse(event.data);
 123
 124   window.game.set_answering_idle(value);
 125 });
 126
 127 events.addEventListener("vote-end-answers", event => {
 128   const player = JSON.parse(event.data);
 129
 130   window.game.set_player_vote_end_answers(player);
 131 });
 132
 133 events.addEventListener("unvote-end-answers", event => {
 134   const player = JSON.parse(event.data);
 135
 136   window.game.set_player_unvote_end_answers(player);
 137 });
 138
 139 events.addEventListener("ambiguities", event => {
 140   const ambiguities = JSON.parse(event.data);
 141
 142   window.game.set_ambiguities(ambiguities);
 143 });
 144
 145 events.addEventListener("player-judged", event => {
 146   const player = JSON.parse(event.data);
 147
 148   window.game.set_player_judged(player);
 149 });
 150
 151 events.addEventListener("player-judging", event => {
 152   const player = JSON.parse(event.data);
 153
 154   window.game.set_player_judging(player);
 155 });
 156
 157 events.addEventListener("judging-idle", event => {
 158   const value = JSON.parse(event.data);
 159
 160   window.game.set_judging_idle(value);
 161 });
 162
 163 events.addEventListener("vote-end-judging", event => {
 164   const player = JSON.parse(event.data);
 165
 166   window.game.set_player_vote_end_judging(player);
 167 });
 168
 169 events.addEventListener("unvote-end-judging", event => {
 170   const player = JSON.parse(event.data);
 171
 172   window.game.set_player_unvote_end_judging(player);
 173 });
 174
 175 events.addEventListener("scores", event => {
 176   const scores = JSON.parse(event.data);
 177
 178   window.game.set_scores(scores);
 179 });
 180
 181 events.addEventListener("vote-new-game", event => {
 182   const player = JSON.parse(event.data);
 183
 184   window.game.set_player_vote_new_game(player);
 185 });
 186
 187 events.addEventListener("unvote-new-game", event => {
 188   const player = JSON.parse(event.data);
 189
 190   window.game.set_player_unvote_new_game(player);
 191 });
 192
 193 /*********************************************************
 194  * Game and supporting classes                           *
 195  *********************************************************/
 196
 197 function copy_to_clipboard(id)
 198 {
 199   const tmp = document.createElement("input");
 200   tmp.setAttribute("value", document.getElementById(id).innerHTML);
 201   document.body.appendChild(tmp);
 202   tmp.select();
 203   document.execCommand("copy");
 204   document.body.removeChild(tmp);
 205 }
 206
 207 const GameInfo = React.memo(props => {
 208   if (! props.id)
 209     return null;
 210
 211   return (
 212     <div className="game-info">
 213       <span className="game-id">{props.id}</span>
 214       {" "}
 215       Share this link to invite friends:{" "}
 216       <span id="game-share-url">{props.url}</span>
 217       {" "}
 218       <button
 219         className="inline"
 220         onClick={() => copy_to_clipboard('game-share-url')}
 221       >Copy Link</button>
 222     </div>
 223   );
 224 });
 225
 226 const PlayerInfo = React.memo(props => {
 227   if (! props.player.id)
 228     return null;
 229
 230   const all_players = [props.player, ...props.other_players];
 231
 232   const sorted_players = all_players.sort((a,b) => {
 233     return b.score - a.score;
 234   });
 235
 236   const names_and_scores = sorted_players.map(player => {
 237     if (player.score)
 238       return `${player.name} (${player.score})`;
 239     else
 240       return player.name;
 241   }).join(', ');
 242
 243   return (
 244     <div className="player-info">
 245       <span className="players-header">Players: </span>
 246       <span>{names_and_scores}</span>
 247     </div>
 248   );
 249 });
 250
 251 function fetch_method_json(method, api = '', data = {}) {
 252   const response = fetch(api, {
 253     method: method,
 254     headers: {
 255       'Content-Type': 'application/json'
 256     },
 257     body: JSON.stringify(data)
 258   });
 259   return response;
 260 }
 261
 262 function fetch_post_json(api = '', data = {}) {
 263   return fetch_method_json('POST', api, data);
 264 }
 265
 266 async function fetch_put_json(api = '', data = {}) {
 267   return fetch_method_json('PUT', api, data);
 268 }
 269
 270 class CategoryRequest extends React.PureComponent {
 271   constructor(props) {
 272     super(props);
 273     this.category = React.createRef();
 274
 275     this.handle_change = this.handle_change.bind(this);
 276     this.handle_submit = this.handle_submit.bind(this);
 277   }
 278
 279   handle_change(event) {
 280     const category_input = this.category.current;
 281     const category = category_input.value;
 282
 283     const match = category.match(/[0-9]+/);
 284     if (match) {
 285       const num_items = parseInt(match[0], 10);
 286       if (num_items <= MAX_PROMPT_ITEMS)
 287         category_input.setCustomValidity("");
 288     }
 289   }
 290
 291   async handle_submit(event) {
 292     const form = event.currentTarget;
 293     const category_input = this.category.current;
 294     const category = category_input.value;
 295
 296     /* Prevent the default page-changing form-submission behavior. */
 297     event.preventDefault();
 298
 299     const match = category.match(/[0-9]+/);
 300     if (match === null) {
 301       category_input.setCustomValidity("Category must include a number");
 302       form.reportValidity();
 303       return;
 304     }
 305
 306     const num_items = parseInt(match[0], 10);
 307
 308     if (num_items > MAX_PROMPT_ITEMS) {
 309       category_input.setCustomValidity(`Maximum number of items is ${MAX_PROMPT_ITEMS}`);
 310       form.reportValidity();
 311       return;
 312     }
 313
 314     const response = await fetch_post_json("prompts", {
 315       items: num_items,
 316       prompt: category
 317     });
 318
 319     if (response.status === 200) {
 320       const result = await response.json();
 321       if (! result.valid) {
 322         add_message("danger", result.message);
 323         return;
 324       }
 325     } else {
 326       add_message("danger", "An error occurred submitting your category");
 327     }
 328
 329     form.reset();
 330   }
 331
 332   render() {
 333     return (
 334       <div className="category-request">
 335         <h2>Submit a Category</h2>
 336         <p>
 337           Suggest a category to play. Don't forget to include the
 338           number of items for each person to submit.
 339         </p>
 340
 341         <form onSubmit={this.handle_submit} >
 342           <div className="form-field large">
 343             <input
 344               type="text"
 345               id="category"
 346               placeholder="6 things at the beach"
 347               required
 348               autoComplete="off"
 349               onChange={this.handle_change}
 350               ref={this.category}
 351             />
 352           </div>
 353
 354           <div className="form-field large">
 355             <button type="submit">
 356               Send
 357             </button>
 358           </div>
 359
 360         </form>
 361       </div>
 362     );
 363   }
 364 }
 365
 366 const PromptOptions = React.memo(props => {
 367
 368   if (props.prompts.length === 0)
 369     return null;
 370
 371   return (
 372     <div className="prompt-options">
 373       <h2>Vote on Categories</h2>
 374       <p>
 375         Select any categories below that you'd like to play.
 376         You can choose as many as you'd like.
 377       </p>
 378       {props.prompts.map(p => {
 379         return (
 380           <button
 381             className="vote-button"
 382             key={p.id}
 383             onClick={() => fetch_post_json(`vote/${p.id}`) }
 384           >
 385             {p.prompt}
 386             <div className="vote-choices">
 387               {p.votes.map(v => {
 388                 return (
 389                   <div
 390                     key={v}
 391                     className="vote-choice"
 392                   >
 393                     {v}
 394                   </div>
 395                 );
 396               })}
 397             </div>
 398           </button>
 399         );
 400       })}
 401     </div>
 402   );
 403 });
 404
 405 const LetsPlay = React.memo(props => {
 406
 407   const quorum = Math.round((props.num_players + 1) / 2);
 408   const max_votes = props.prompts.reduce(
 409     (max_so_far, v) => Math.max(max_so_far, v.votes.length), 0);
 410
 411   if (max_votes < quorum)
 412     return null;
 413
 414   const candidates = props.prompts.filter(p => p.votes.length >= quorum);
 415   const index = Math.floor(Math.random() * candidates.length);
 416   const winner = candidates[index];
 417
 418   return (
 419     <div className="lets-play">
 420       <h2>Let's Play</h2>
 421       <p>
 422         That should be enough voting. If you're not waiting for any
 423         other players to join, then let's start.
 424       </p>
 425       <button
 426         className="lets-play"
 427         onClick={() => fetch_post_json(`start/${winner.id}`) }
 428       >
 429         Start Game
 430       </button>
 431     </div>
 432   );
 433 });
 434
 435 class Ambiguities extends React.PureComponent {
 436
 437   constructor(props) {
 438     super(props);
 439
 440     const word_sets = props.words.map(word => {
 441       const set = new Set();
 442       set.add(word);
 443       return set;
 444     });
 445
 446     this.state = {
 447       word_sets: word_sets,
 448       selected: null
 449     };
 450
 451     this.submitted = false;
 452     this.judging_sent_recently = false;
 453   }
 454
 455   async handle_submit() {
 456
 457     /* Don't submit a second time. */
 458     if (this.submitted)
 459       return;
 460
 461     const response = await fetch_post_json(
 462       `judged/${this.props.prompt.id}`,{
 463         word_groups: this.state.word_sets.map(set => Array.from(set))
 464       }
 465     );
 466
 467     if (response.status === 200) {
 468       const result = await response.json();
 469       if (! result.valid) {
 470         add_message("danger", result.message);
 471         return;
 472       }
 473     } else {
 474       add_message("danger", "An error occurred submitting the results of your judging");
 475       return;
 476     }
 477
 478     this.submitted = true;
 479   }
 480
 481   handle_click(word) {
 482
 483     /* Let the server know we are doing some judging, (but rate limit
 484      * this so we don't send a "judging" notification more frquently
 485      * than necessary.
 486      */
 487     if (! this.judging_sent_recently) {
 488       fetch_post_json(`judging/${this.props.prompt.id}`);
 489       this.judging_sent_recently = true;
 490       setTimeout(() => { this.judging_sent_recently = false; }, 1000);
 491     }
 492
 493     if (this.state.selected == word) {
 494       /* Second click on same word removes the word from the group. */
 495       const idx = this.state.word_sets.findIndex(s => s.has(word));
 496       const set = this.state.word_sets[idx];
 497       if (set.size === 1) {
 498         /* When the word is already alone, there's nothing to do but
 499          * to un-select it. */
 500         this.setState({
 501           selected: null
 502         });
 503         return;
 504       }
 505
 506       const new_set = new Set([...set].filter(w => w !== word));
 507       this.setState({
 508         selected: null,
 509         word_sets: [...this.state.word_sets.slice(0, idx),
 510                     new_set,
 511                     new Set().add(word),
 512                     ...this.state.word_sets.slice(idx+1)]
 513       });
 514     } else if (this.state.selected) {
 515       /* Click of a second word groups the two together. */
 516       const idx1 = this.state.word_sets.findIndex(s => s.has(this.state.selected));
 517       const idx2 = this.state.word_sets.findIndex(s => s.has(word));
 518       const set1 = this.state.word_sets[idx1];
 519       const set2 = this.state.word_sets[idx2];
 520       const new_set = new Set([...set2, ...set1]);
 521       if (idx1 < idx2) {
 522         this.setState({
 523           selected: null,
 524           word_sets: [...this.state.word_sets.slice(0, idx1),
 525                       ...this.state.word_sets.slice(idx1 + 1, idx2),
 526                       new_set,
 527                       ...this.state.word_sets.slice(idx2 + 1)]
 528         });
 529       } else {
 530         this.setState({
 531           selected: null,
 532           word_sets: [...this.state.word_sets.slice(0, idx2),
 533                       new_set,
 534                       ...this.state.word_sets.slice(idx2 + 1, idx1),
 535                       ...this.state.word_sets.slice(idx1 + 1)]
 536         });
 537       }
 538     } else {
 539       /* First click of a word selects it. */
 540       this.setState({
 541         selected: word
 542       });
 543     }
 544   }
 545
 546   render() {
 547     let move_on_button = null;
 548
 549     if (this.props.idle) {
 550       move_on_button = (
 551         <button
 552           className="vote-button"
 553           onClick={() => fetch_post_json(`end-judging/${this.props.prompt.id}`) }
 554         >
 555           Move On
 556           <div className="vote-choices">
 557             {[...this.props.votes].map(v => {
 558               return (
 559                 <div
 560                   key={v}
 561                   className="vote-choice"
 562                 >
 563                   {v}
 564                   </div>
 565               );
 566             })}
 567           </div>
 568         </button>
 569       );
 570     }
 571
 572     if (this.props.players_judged.has(this.props.player.name)) {
 573       return (
 574         <div className="please-wait">
 575           <h2>Submission received</h2>
 576           <p>
 577             The following players have completed judging:{' '}
 578             {[...this.props.players_judged].join(', ')}
 579           </p>
 580           <p>
 581             Still waiting for the following players:
 582           </p>
 583           <ul>
 584             {Object.keys(this.props.players_judging).map(player => {
 585               return (
 586                 <li
 587                   key={player}
 588                 >
 589                   {player}
 590                   {this.props.players_judging[player] ?
 591                    <span className="typing"/> : null }
 592                 </li>
 593               );
 594             })}
 595           </ul>
 596           {move_on_button}
 597
 598         </div>
 599       );
 600     }
 601
 602     const btn_class = "ambiguity-button";
 603     const btn_selected_class = btn_class + " selected";
 604
 605     return (
 606       <div className="ambiguities">
 607         <h2>Judging Answers</h2>
 608         <p>
 609           Click on each pair of answers that should be scored as equivalent,
 610           (and click any word twice to split it out from a group). Remember,
 611           what goes around comes around, so it's best to be generous when
 612           judging.
 613         </p>
 614         {this.state.word_sets.map(set => {
 615           return (
 616             <div
 617               className="ambiguity-group"
 618               key={Array.from(set)[0]}
 619             >
 620               {Array.from(set).map(word => {
 621                 return (
 622                   <button
 623                     className={this.state.selected === word ?
 624                                btn_selected_class : btn_class }
 625                     key={word}
 626                     onClick={() => this.handle_click(word)}
 627                   >
 628                     {word}
 629                   </button>
 630                 );
 631               })}
 632             </div>
 633           );
 634         })}
 635         <p>
 636           Click here when done judging:<br/>
 637           <button
 638             onClick={() => this.handle_submit()}
 639           >
 640             Send
 641           </button>
 642         </p>
 643       </div>
 644     );
 645   }
 646 }
 647
 648 class ActivePrompt extends React.PureComponent {
 649
 650   constructor(props) {
 651     super(props);
 652     const items = props.prompt.items;
 653
 654     this.submitted = false;
 655
 656     this.answers = [...Array(items)].map(() => React.createRef());
 657     this.answering_sent_recently = false;
 658
 659     this.handle_submit = this.handle_submit.bind(this);
 660     this.handle_change = this.handle_change.bind(this);
 661   }
 662
 663   handle_change(event) {
 664     /* We don't care (or even look) at what the player is typing at
 665      * this point. We simply want to be informed that the player _is_
 666      * typing so that we can tell the server (which will tell other
 667      * players) that there is activity here.
 668      */
 669
 670     /* Rate limit so that we don't send an "answering" notification
 671      * more frequently than necessary.
 672      */
 673     if (! this.answering_sent_recently) {
 674       fetch_post_json(`answering/${this.props.prompt.id}`);
 675       this.answering_sent_recently = true;
 676       setTimeout(() => { this.answering_sent_recently = false; }, 1000);
 677     }
 678   }
 679
 680   async handle_submit(event) {
 681     const form = event.currentTarget;
 682
 683     /* Prevent the default page-changing form-submission behavior. */
 684     event.preventDefault();
 685
 686     /* And don't submit a second time. */
 687     if (this.submitted)
 688       return;
 689
 690     const response = await fetch_post_json(`answer/${this.props.prompt.id}`, {
 691       answers: this.answers.map(r => r.current.value)
 692     });
 693     if (response.status === 200) {
 694       const result = await response.json();
 695       if (! result.valid) {
 696         add_message("danger", result.message);
 697         return;
 698       }
 699     } else {
 700       add_message("danger", "An error occurred submitting your answers");
 701       return;
 702     }
 703
 704     /* Everything worked. Server is happy with our answers. */
 705     form.reset();
 706     this.submitted = true;
 707   }
 708
 709   render() {
 710     let move_on_button = null;
 711     if (this.props.idle) {
 712       move_on_button =(
 713         <button
 714           className="vote-button"
 715           onClick={() => fetch_post_json(`end-answers/${this.props.prompt.id}`) }
 716         >
 717           Move On
 718           <div className="vote-choices">
 719             {[...this.props.votes].map(v => {
 720               return (
 721                 <div
 722                   key={v}
 723                   className="vote-choice"
 724                 >
 725                   {v}
 726                 </div>
 727               );
 728             })}
 729           </div>
 730         </button>
 731       );
 732     }
 733
 734     if (this.props.players_answered.has(this.props.player.name)) {
 735       return (
 736         <div className="please-wait">
 737           <h2>Submission received</h2>
 738           <p>
 739             The following players have submitted their answers:{' '}
 740             {[...this.props.players_answered].join(', ')}
 741           </p>
 742           <p>
 743           Still waiting for the following players:
 744           </p>
 745           <ul>
 746             {Object.keys(this.props.players_answering).map(player => {
 747               return (
 748                 <li
 749                   key={player}
 750                 >
 751                   {player}
 752                   {this.props.players_answering[player] ?
 753                    <span className="typing"/> : null }
 754                 </li>
 755               );
 756             })}
 757           </ul>
 758           {move_on_button}
 759
 760         </div>
 761       );
 762     }
 763
 764     return (
 765       <div className="active-prompt">
 766         <h2>The Game of Empathy</h2>
 767         <p>
 768           Remember, you're trying to match your answers with
 769           what the other players submit.
 770           Give {this.props.prompt.items} answers for the following prompt:
 771         </p>
 772         <h2>{this.props.prompt.prompt}</h2>
 773         <form onSubmit={this.handle_submit}>
 774           {[...Array(this.props.prompt.items)].map((whocares,i) => {
 775             return (
 776               <div
 777                 key={i}
 778                 className="form-field large">
 779                 <input
 780                   type="text"
 781                   name={`answer_${i}`}
 782                   required
 783                   autoComplete="off"
 784                   onChange={this.handle_change}
 785                   ref={this.answers[i]}
 786                 />
 787               </div>
 788             );
 789           })}
 790
 791           <div
 792             key="submit-button"
 793             className="form-field large">
 794             <button type="submit">
 795               Send
 796             </button>
 797           </div>
 798
 799         </form>
 800       </div>
 801     );
 802   }
 803 }
 804
 805 class Game extends React.PureComponent {
 806   constructor(props) {
 807     super(props);
 808     this.state = {
 809       game_info: {},
 810       player_info: {},
 811       other_players: [],
 812       prompts: [],
 813       active_prompt: null,
 814       players_answered: new Set(),
 815       players_answering: {},
 816       answering_idle: false,
 817       end_answers_votes: new Set(),
 818       ambiguities: null,
 819       players_judged: new Set(),
 820       players_judging: {},
 821       judging_idle: false,
 822       end_judging_votes: new Set(),
 823       scores: null,
 824       new_game_votes: new Set(),
 825       ready: false
 826     };
 827   }
 828
 829   set_game_info(info) {
 830     this.setState({
 831       game_info: info
 832     });
 833   }
 834
 835   set_player_info(info) {
 836     this.setState({
 837       player_info: info
 838     });
 839   }
 840
 841   set_other_player_info(info) {
 842     const other_players_copy = [...this.state.other_players];
 843     const idx = other_players_copy.findIndex(o => o.id === info.id);
 844     if (idx >= 0) {
 845       other_players_copy[idx] = info;
 846     } else {
 847       other_players_copy.push(info);
 848     }
 849     this.setState({
 850       other_players: other_players_copy
 851     });
 852   }
 853
 854   remove_player(info) {
 855     this.setState({
 856       other_players: this.state.other_players.filter(o => o.id !== info.id)
 857     });
 858   }
 859
 860   reset_game_state() {
 861     this.setState({
 862       prompts: [],
 863       active_prompt: null,
 864       players_answered: new Set(),
 865       players_answering: {},
 866       answering_idle: false,
 867       end_answers_votes: new Set(),
 868       ambiguities: null,
 869       players_judged: new Set(),
 870       players_judging: {},
 871       judging_idle: false,
 872       end_judging_votes: new Set(),
 873       scores: null,
 874       new_game_votes: new Set(),
 875       ready: false
 876     });
 877   }
 878
 879   set_prompts(prompts) {
 880     this.setState({
 881       prompts: prompts
 882     });
 883   }
 884
 885   add_or_update_prompt(prompt) {
 886     const prompts_copy = [...this.state.prompts];
 887     const idx = prompts_copy.findIndex(p => p.id === prompt.id);
 888     if (idx >= 0) {
 889       prompts_copy[idx] = prompt;
 890     } else {
 891       prompts_copy.push(prompt);
 892     }
 893     this.setState({
 894       prompts: prompts_copy
 895     });
 896   }
 897
 898   set_active_prompt(prompt) {
 899     this.setState({
 900       active_prompt: prompt
 901     });
 902   }
 903
 904   set_players_answered(players) {
 905     this.setState({
 906       players_answered: new Set(players)
 907     });
 908   }
 909
 910   set_player_answered(player) {
 911     const new_players_answering = {...this.state.players_answering};
 912     delete new_players_answering[player];
 913
 914     this.setState({
 915       players_answered: new Set([...this.state.players_answered, player]),
 916       players_answering: new_players_answering
 917     });
 918   }
 919
 920   set_players_answering(players) {
 921     const players_answering = {};
 922     for (let player of players) {
 923       players_answering[player] = {active: false};
 924     }
 925     this.setState({
 926       players_answering: players_answering
 927     });
 928   }
 929
 930   set_player_answering(player) {
 931     this.setState({
 932       players_answering: {
 933         ...this.state.players_answering,
 934         [player]: {active: true}
 935       }
 936     });
 937   }
 938
 939   set_answering_idle(value) {
 940     this.setState({
 941       answering_idle: value
 942     });
 943   }
 944
 945   set_end_answers(players) {
 946     this.setState({
 947       end_answers_votes: new Set(players)
 948     });
 949   }
 950
 951   set_player_vote_end_answers(player) {
 952     this.setState({
 953       end_answers_votes: new Set([...this.state.end_answers_votes, player])
 954     });
 955   }
 956
 957   set_player_unvote_end_answers(player) {
 958     this.setState({
 959       end_answers_votes: new Set([...this.state.end_answers_votes].filter(p => p !== player))
 960     });
 961   }
 962
 963   set_ambiguities(ambiguities) {
 964     this.setState({
 965       ambiguities: ambiguities
 966     });
 967   }
 968
 969   set_players_judged(players) {
 970     this.setState({
 971       players_judged: new Set(players)
 972     });
 973   }
 974
 975   set_player_judged(player) {
 976     const new_players_judging = {...this.state.players_judging};
 977     delete new_players_judging[player];
 978
 979     this.setState({
 980       players_judged: new Set([...this.state.players_judged, player]),
 981       players_judging: new_players_judging
 982     });
 983   }
 984
 985   set_players_judging(players) {
 986     const players_judging = {};
 987     for (let player of players) {
 988       players_judging[player] = {active: false};
 989     }
 990     this.setState({
 991       players_judging: players_judging
 992     });
 993   }
 994
 995   set_player_judging(player) {
 996     this.setState({
 997       players_judging: {
 998         ...this.state.players_judging,
 999         [player]: {active: true}
1000       }
1001     });
1002   }
1003
1004   set_judging_idle(value) {
1005     this.setState({
1006       judging_idle: value
1007     });
1008   }
1009
1010   set_end_judging(players) {
1011     this.setState({
1012       end_judging_votes: new Set(players)
1013     });
1014   }
1015
1016   set_player_vote_end_judging(player) {
1017     this.setState({
1018       end_judging_votes: new Set([...this.state.end_judging_votes, player])
1019     });
1020   }
1021
1022   set_player_unvote_end_judging(player) {
1023     this.setState({
1024       end_judging_votes: new Set([...this.state.end_judging_votes].filter(p => p !== player))
1025     });
1026   }
1027
1028   set_scores(scores) {
1029     this.setState({
1030       scores: scores
1031     });
1032   }
1033
1034   set_new_game_votes(players) {
1035     this.setState({
1036       new_game_votes: new Set(players)
1037     });
1038   }
1039
1040   set_player_vote_new_game(player) {
1041     this.setState({
1042       new_game_votes: new Set([...this.state.new_game_votes, player])
1043     });
1044   }
1045
1046   set_player_unvote_new_game(player) {
1047     this.setState({
1048       new_game_votes: new Set([...this.state.new_game_votes].filter(p => p !== player))
1049     });
1050   }
1051
1052   state_ready() {
1053     this.setState({
1054       ready: true
1055     });
1056   }
1057
1058   render() {
1059     const state = this.state;
1060     const players_total = 1 + state.other_players.length;
1061
1062     if (state.scores) {
1063       return (
1064         <div className="scores">
1065           <h2>Scores</h2>
1066           <ul>
1067             {state.scores.scores.map(score => {
1068               return (
1069                 <li key={score.player}>
1070                   {score.players.join("/")}: {score.score}
1071                 </li>
1072               );
1073             })}
1074           </ul>
1075           <h2>Words submitted</h2>
1076           <ul>
1077             {state.scores.words.map(word => {
1078               return (
1079                 <li key={word.word}>
1080                   {word.word} ({word.players.length}): {word.players.join(', ')}
1081                 </li>
1082               );
1083             })}
1084           </ul>
1085           <button
1086             className="vote-button"
1087             onClick={() => fetch_post_json(`new-game/${state.active_prompt.id}`) }
1088           >
1089             New Game
1090             <div className="vote-choices">
1091               {[...state.new_game_votes].map(v => {
1092                 return (
1093                   <div
1094                     key={v}
1095                     className="vote-choice"
1096                   >
1097                     {v}
1098                   </div>
1099                 );
1100               })}
1101             </div>
1102           </button>
1103         </div>
1104       );
1105     }
1106
1107     if (state.ambiguities){
1108       return <Ambiguities
1109                prompt={state.active_prompt}
1110                words={state.ambiguities}
1111                player={state.player_info}
1112                players_judged={state.players_judged}
1113                players_judging={state.players_judging}
1114                idle={state.judging_idle}
1115                votes={state.end_judging_votes}
1116              />;
1117     }
1118
1119     if (state.active_prompt) {
1120       return <ActivePrompt
1121                prompt={state.active_prompt}
1122                player={state.player_info}
1123                players_answered={state.players_answered}
1124                players_answering={state.players_answering}
1125                idle={state.answering_idle}
1126                votes={state.end_answers_votes}
1127              />;
1128     }
1129
1130     if (! state.ready)
1131       return null;
1132
1133     return [
1134       <GameInfo
1135         key="game-info"
1136         id={state.game_info.id}
1137         url={state.game_info.url}
1138       />,
1139       <PlayerInfo
1140         key="player-info"
1141         game={this}
1142         player={state.player_info}
1143         other_players={state.other_players}
1144       />,
1145       <p key="spacer"></p>,
1146       <CategoryRequest
1147         key="category-request"
1148       />,
1149       <PromptOptions
1150         key="prompts"
1151         prompts={state.prompts}
1152       />,
1153       <LetsPlay
1154         key="lets-play"
1155         num_players={1+state.other_players.length}
1156         prompts={state.prompts}
1157       />
1158     ];
1159   }
1160 }
1161
1162 ReactDOM.render(<Game
1163                   ref={(me) => window.game = me}
1164                 />, document.getElementById("empathy"));