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         <h2>{this.props.prompt.prompt}</h2>
 615         {this.state.word_sets.map(set => {
 616           return (
 617             <div
 618               className="ambiguity-group"
 619               key={Array.from(set)[0]}
 620             >
 621               {Array.from(set).map(word => {
 622                 return (
 623                   <button
 624                     className={this.state.selected === word ?
 625                                btn_selected_class : btn_class }
 626                     key={word}
 627                     onClick={() => this.handle_click(word)}
 628                   >
 629                     {word}
 630                   </button>
 631                 );
 632               })}
 633             </div>
 634           );
 635         })}
 636         <p>
 637           Click here when done judging:<br/>
 638           <button
 639             onClick={() => this.handle_submit()}
 640           >
 641             Send
 642           </button>
 643         </p>
 644       </div>
 645     );
 646   }
 647 }
 648
 649 class ActivePrompt extends React.PureComponent {
 650
 651   constructor(props) {
 652     super(props);
 653     const items = props.prompt.items;
 654
 655     this.submitted = false;
 656
 657     this.answers = [...Array(items)].map(() => React.createRef());
 658     this.answering_sent_recently = false;
 659
 660     this.handle_submit = this.handle_submit.bind(this);
 661     this.handle_change = this.handle_change.bind(this);
 662   }
 663
 664   handle_change(event) {
 665     /* We don't care (or even look) at what the player is typing at
 666      * this point. We simply want to be informed that the player _is_
 667      * typing so that we can tell the server (which will tell other
 668      * players) that there is activity here.
 669      */
 670
 671     /* Rate limit so that we don't send an "answering" notification
 672      * more frequently than necessary.
 673      */
 674     if (! this.answering_sent_recently) {
 675       fetch_post_json(`answering/${this.props.prompt.id}`);
 676       this.answering_sent_recently = true;
 677       setTimeout(() => { this.answering_sent_recently = false; }, 1000);
 678     }
 679   }
 680
 681   async handle_submit(event) {
 682     const form = event.currentTarget;
 683
 684     /* Prevent the default page-changing form-submission behavior. */
 685     event.preventDefault();
 686
 687     /* And don't submit a second time. */
 688     if (this.submitted)
 689       return;
 690
 691     const response = await fetch_post_json(`answer/${this.props.prompt.id}`, {
 692       answers: this.answers.map(r => r.current.value)
 693     });
 694     if (response.status === 200) {
 695       const result = await response.json();
 696       if (! result.valid) {
 697         add_message("danger", result.message);
 698         return;
 699       }
 700     } else {
 701       add_message("danger", "An error occurred submitting your answers");
 702       return;
 703     }
 704
 705     /* Everything worked. Server is happy with our answers. */
 706     form.reset();
 707     this.submitted = true;
 708   }
 709
 710   render() {
 711     let move_on_button = null;
 712     if (this.props.idle) {
 713       move_on_button =(
 714         <button
 715           className="vote-button"
 716           onClick={() => fetch_post_json(`end-answers/${this.props.prompt.id}`) }
 717         >
 718           Move On
 719           <div className="vote-choices">
 720             {[...this.props.votes].map(v => {
 721               return (
 722                 <div
 723                   key={v}
 724                   className="vote-choice"
 725                 >
 726                   {v}
 727                 </div>
 728               );
 729             })}
 730           </div>
 731         </button>
 732       );
 733     }
 734
 735     if (this.props.players_answered.has(this.props.player.name)) {
 736       return (
 737         <div className="please-wait">
 738           <h2>Submission received</h2>
 739           <p>
 740             The following players have submitted their answers:{' '}
 741             {[...this.props.players_answered].join(', ')}
 742           </p>
 743           <p>
 744           Still waiting for the following players:
 745           </p>
 746           <ul>
 747             {Object.keys(this.props.players_answering).map(player => {
 748               return (
 749                 <li
 750                   key={player}
 751                 >
 752                   {player}
 753                   {this.props.players_answering[player] ?
 754                    <span className="typing"/> : null }
 755                 </li>
 756               );
 757             })}
 758           </ul>
 759           {move_on_button}
 760
 761         </div>
 762       );
 763     }
 764
 765     return (
 766       <div className="active-prompt">
 767         <h2>The Game of Empathy</h2>
 768         <p>
 769           Remember, you're trying to match your answers with
 770           what the other players submit.
 771           Give {this.props.prompt.items} answers for the following prompt:
 772         </p>
 773         <h2>{this.props.prompt.prompt}</h2>
 774         <form onSubmit={this.handle_submit}>
 775           {[...Array(this.props.prompt.items)].map((whocares,i) => {
 776             return (
 777               <div
 778                 key={i}
 779                 className="form-field large">
 780                 <input
 781                   type="text"
 782                   name={`answer_${i}`}
 783                   required
 784                   autoComplete="off"
 785                   onChange={this.handle_change}
 786                   ref={this.answers[i]}
 787                 />
 788               </div>
 789             );
 790           })}
 791
 792           <div
 793             key="submit-button"
 794             className="form-field large">
 795             <button type="submit">
 796               Send
 797             </button>
 798           </div>
 799
 800         </form>
 801       </div>
 802     );
 803   }
 804 }
 805
 806 class Game extends React.PureComponent {
 807   constructor(props) {
 808     super(props);
 809     this.state = {
 810       game_info: {},
 811       player_info: {},
 812       other_players: [],
 813       prompts: [],
 814       active_prompt: null,
 815       players_answered: new Set(),
 816       players_answering: {},
 817       answering_idle: false,
 818       end_answers_votes: new Set(),
 819       ambiguities: null,
 820       players_judged: new Set(),
 821       players_judging: {},
 822       judging_idle: false,
 823       end_judging_votes: new Set(),
 824       scores: null,
 825       new_game_votes: new Set(),
 826       ready: false
 827     };
 828   }
 829
 830   set_game_info(info) {
 831     this.setState({
 832       game_info: info
 833     });
 834   }
 835
 836   set_player_info(info) {
 837     this.setState({
 838       player_info: info
 839     });
 840   }
 841
 842   set_other_player_info(info) {
 843     const other_players_copy = [...this.state.other_players];
 844     const idx = other_players_copy.findIndex(o => o.id === info.id);
 845     if (idx >= 0) {
 846       other_players_copy[idx] = info;
 847     } else {
 848       other_players_copy.push(info);
 849     }
 850     this.setState({
 851       other_players: other_players_copy
 852     });
 853   }
 854
 855   remove_player(info) {
 856     this.setState({
 857       other_players: this.state.other_players.filter(o => o.id !== info.id)
 858     });
 859   }
 860
 861   reset_game_state() {
 862     this.setState({
 863       prompts: [],
 864       active_prompt: null,
 865       players_answered: new Set(),
 866       players_answering: {},
 867       answering_idle: false,
 868       end_answers_votes: new Set(),
 869       ambiguities: null,
 870       players_judged: new Set(),
 871       players_judging: {},
 872       judging_idle: false,
 873       end_judging_votes: new Set(),
 874       scores: null,
 875       new_game_votes: new Set(),
 876       ready: false
 877     });
 878   }
 879
 880   set_prompts(prompts) {
 881     this.setState({
 882       prompts: prompts
 883     });
 884   }
 885
 886   add_or_update_prompt(prompt) {
 887     const prompts_copy = [...this.state.prompts];
 888     const idx = prompts_copy.findIndex(p => p.id === prompt.id);
 889     if (idx >= 0) {
 890       prompts_copy[idx] = prompt;
 891     } else {
 892       prompts_copy.push(prompt);
 893     }
 894     this.setState({
 895       prompts: prompts_copy
 896     });
 897   }
 898
 899   set_active_prompt(prompt) {
 900     this.setState({
 901       active_prompt: prompt
 902     });
 903   }
 904
 905   set_players_answered(players) {
 906     this.setState({
 907       players_answered: new Set(players)
 908     });
 909   }
 910
 911   set_player_answered(player) {
 912     const new_players_answering = {...this.state.players_answering};
 913     delete new_players_answering[player];
 914
 915     this.setState({
 916       players_answered: new Set([...this.state.players_answered, player]),
 917       players_answering: new_players_answering
 918     });
 919   }
 920
 921   set_players_answering(players) {
 922     const players_answering = {};
 923     for (let player of players) {
 924       players_answering[player] = {active: false};
 925     }
 926     this.setState({
 927       players_answering: players_answering
 928     });
 929   }
 930
 931   set_player_answering(player) {
 932     this.setState({
 933       players_answering: {
 934         ...this.state.players_answering,
 935         [player]: {active: true}
 936       }
 937     });
 938   }
 939
 940   set_answering_idle(value) {
 941     this.setState({
 942       answering_idle: value
 943     });
 944   }
 945
 946   set_end_answers(players) {
 947     this.setState({
 948       end_answers_votes: new Set(players)
 949     });
 950   }
 951
 952   set_player_vote_end_answers(player) {
 953     this.setState({
 954       end_answers_votes: new Set([...this.state.end_answers_votes, player])
 955     });
 956   }
 957
 958   set_player_unvote_end_answers(player) {
 959     this.setState({
 960       end_answers_votes: new Set([...this.state.end_answers_votes].filter(p => p !== player))
 961     });
 962   }
 963
 964   set_ambiguities(ambiguities) {
 965     this.setState({
 966       ambiguities: ambiguities
 967     });
 968   }
 969
 970   set_players_judged(players) {
 971     this.setState({
 972       players_judged: new Set(players)
 973     });
 974   }
 975
 976   set_player_judged(player) {
 977     const new_players_judging = {...this.state.players_judging};
 978     delete new_players_judging[player];
 979
 980     this.setState({
 981       players_judged: new Set([...this.state.players_judged, player]),
 982       players_judging: new_players_judging
 983     });
 984   }
 985
 986   set_players_judging(players) {
 987     const players_judging = {};
 988     for (let player of players) {
 989       players_judging[player] = {active: false};
 990     }
 991     this.setState({
 992       players_judging: players_judging
 993     });
 994   }
 995
 996   set_player_judging(player) {
 997     this.setState({
 998       players_judging: {
 999         ...this.state.players_judging,
1000         [player]: {active: true}
1001       }
1002     });
1003   }
1004
1005   set_judging_idle(value) {
1006     this.setState({
1007       judging_idle: value
1008     });
1009   }
1010
1011   set_end_judging(players) {
1012     this.setState({
1013       end_judging_votes: new Set(players)
1014     });
1015   }
1016
1017   set_player_vote_end_judging(player) {
1018     this.setState({
1019       end_judging_votes: new Set([...this.state.end_judging_votes, player])
1020     });
1021   }
1022
1023   set_player_unvote_end_judging(player) {
1024     this.setState({
1025       end_judging_votes: new Set([...this.state.end_judging_votes].filter(p => p !== player))
1026     });
1027   }
1028
1029   set_scores(scores) {
1030     this.setState({
1031       scores: scores
1032     });
1033   }
1034
1035   set_new_game_votes(players) {
1036     this.setState({
1037       new_game_votes: new Set(players)
1038     });
1039   }
1040
1041   set_player_vote_new_game(player) {
1042     this.setState({
1043       new_game_votes: new Set([...this.state.new_game_votes, player])
1044     });
1045   }
1046
1047   set_player_unvote_new_game(player) {
1048     this.setState({
1049       new_game_votes: new Set([...this.state.new_game_votes].filter(p => p !== player))
1050     });
1051   }
1052
1053   state_ready() {
1054     this.setState({
1055       ready: true
1056     });
1057   }
1058
1059   render() {
1060     const state = this.state;
1061     const players_total = 1 + state.other_players.length;
1062
1063     if (state.scores) {
1064       return (
1065         <div className="scores">
1066           <h2>{state.active_prompt.prompt}</h2>
1067           <h2>Scores</h2>
1068           <ul>
1069             {state.scores.scores.map(score => {
1070               return (
1071                 <li key={score.player}>
1072                   {score.players.join("/")}: {score.score}
1073                 </li>
1074               );
1075             })}
1076           </ul>
1077           <h2>Words submitted</h2>
1078           <ul>
1079             {state.scores.words.map(word => {
1080               return (
1081                 <li key={word.word}>
1082                   {word.word} ({word.players.length}): {word.players.join(', ')}
1083                 </li>
1084               );
1085             })}
1086           </ul>
1087           <button
1088             className="vote-button"
1089             onClick={() => fetch_post_json(`new-game/${state.active_prompt.id}`) }
1090           >
1091             New Game
1092             <div className="vote-choices">
1093               {[...state.new_game_votes].map(v => {
1094                 return (
1095                   <div
1096                     key={v}
1097                     className="vote-choice"
1098                   >
1099                     {v}
1100                   </div>
1101                 );
1102               })}
1103             </div>
1104           </button>
1105         </div>
1106       );
1107     }
1108
1109     if (state.ambiguities){
1110       return <Ambiguities
1111                prompt={state.active_prompt}
1112                words={state.ambiguities}
1113                player={state.player_info}
1114                players_judged={state.players_judged}
1115                players_judging={state.players_judging}
1116                idle={state.judging_idle}
1117                votes={state.end_judging_votes}
1118              />;
1119     }
1120
1121     if (state.active_prompt) {
1122       return <ActivePrompt
1123                prompt={state.active_prompt}
1124                player={state.player_info}
1125                players_answered={state.players_answered}
1126                players_answering={state.players_answering}
1127                idle={state.answering_idle}
1128                votes={state.end_answers_votes}
1129              />;
1130     }
1131
1132     if (! state.ready)
1133       return null;
1134
1135     return [
1136       <GameInfo
1137         key="game-info"
1138         id={state.game_info.id}
1139         url={state.game_info.url}
1140       />,
1141       <PlayerInfo
1142         key="player-info"
1143         game={this}
1144         player={state.player_info}
1145         other_players={state.other_players}
1146       />,
1147       <p key="spacer"></p>,
1148       <CategoryRequest
1149         key="category-request"
1150       />,
1151       <PromptOptions
1152         key="prompts"
1153         prompts={state.prompts}
1154       />,
1155       <LetsPlay
1156         key="lets-play"
1157         num_players={1+state.other_players.length}
1158         prompts={state.prompts}
1159       />
1160     ];
1161   }
1162 }
1163
1164 ReactDOM.render(<Game
1165                   ref={(me) => window.game = me}
1166                 />, document.getElementById("empathy"));