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