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