1    "use strict"; 
2    var rooms; 
3    var player; 
4    var display = getDisplay(); 
5    var passcode = {}; 
6     
7    var houseImages = 
8      { 
9        outside: { 
10         src: "http://coding.stephenjwolf.com/roomadventure/roomimages/house.jpg", 
11         caption: "Photo by Rowan Heuvel", 
12         link: "https://unsplash.com/photos/bjej8BY1JYQ", 
13         linkInfo: "Courtesy: unsplash.com" 
14       }, 
15       exitSign: { 
16         src: "http://coding.stephenjwolf.com/roomadventure/roomimages/exit.jpg", 
17         caption: "Photo by Elliott Stallion", 
18         link: "https://unsplash.com/photos/wweHSdXdAgA", 
19         linkInfo: "Courtesy: unsplash.com" 
20       } 
21     }; 
22    
23   startGame(); 
24    
25   function startGame() 
26   { 
27     //reset the global rooms and player objects 
28     updateColors(); 
29     rooms = getRooms(); 
30     player = getPlayer(); 
31    
32   //wrap in floors handler ----> 
33    
34     var successful = false; 
35     var attempts = 0; 
36    
37     while (!successful && attempts < 1000) 
38     { 
39       rooms = randomizeRoomLayout(rooms); 
40       rooms = randomizeKeys(rooms, true); 
41       randomizePlayerStart(rooms); 
42       successful = checkKeys(rooms, player.currentRoom.name, false); 
43       attempts++; 
44     } 
45    
46     if (!successful) 
47     { 
48       throw "I got stuck and couldn't unlock everything. You might want to restart and let me try again."; 
49     } 
50    
51     rooms = randomizeBrokenThings(rooms); 
52     randomizeItems(rooms); 
53     randomizePoints(rooms); 
54    
55   //<---- wrap in floors handler 
56    
57     passcode = getPasscode(rooms); 
58     randomizeExits(rooms); 
59    
60     var text = "<h3>Welcome to the Room Adventure!</h3>"; 
61     text += "You are in a house"; 
62     text += " where many things are broken."; 
63     text += "<p>Go from room to room"; 
64     text += " to find the items you need"; 
65     text += " to fix what's broken.</p>"; 
66     text += "<p>Earn points for fixing things."; 
67     text += " There are " + player.itemsLeftToFix; 
68     text += " things that need to be fixed.</p>"; 
69     text += "<p>Along the way, you will find pieces"; 
70     text += " of a passcode. Find the exit, and"; 
71     text += " enter the correct passcode to win!</p>"; 
72     text += "<span style='color: slateblue;'>"; 
73     text += "You start in the "; 
74     text += player.currentRoom.name + ".</span>"; 
75     text += "<h3>Good luck!</h3>"; 
76    
77     display.clear(); 
78     display.info(text); 
79    
80     var button = "<button id='start' onclick='getName()'>Start Game</button>"; 
81     display.navigation(button); 
82     display.image(houseImages.outside); 
83     display.broken("Type your name in the box below, then press Start Game."); 
84     var nameBox = "<input id='playerName' value='" + player.name + "'>"; 
85     display.found(nameBox); 
86   } 
87    
88   function getName() 
89   { 
90     var nameBox = document.getElementById("playerName"); 
91     if (nameBox && nameBox.value !== "") 
92     { 
93       player.name = nameBox.value; 
94     } 
95     moveToRoom(); 
96   } 
97    
98   function getPlayer() 
99   { 
100    var player = 
101      { 
102        name: "Lica", 
103        score: 0, 
104        currentRoom: rooms["living room"], 
105        inventory: [], 
106        keys: [], 
107        itemsLeftToFix: 13, 
108        maxScore: 0, 
109        pathTaken: [] 
110      }; 
111    return player; 
112  } 
113   
114  function movePlayer(direction) 
115  { 
116    var exits = player.currentRoom.exits; 
117    var roomName = exits[direction]; 
118    var roomToGoTo = rooms[roomName]; 
119   
120    if (roomToGoTo.locked) 
121    { 
122      var text = "<h3>You cannot go to the " + direction + ".</h3>"; 
123      text += "<h3>That way is locked.</h3>"; 
124      display.broken(text); 
125   
126      var penalty = 2; 
127      text = "You lose " + penalty + " points. <p>Did you try using a key?</p>"; 
128      display.found(text); 
129      player.score -= penalty; 
130      display.score(); 
131      updateColors("red"); 
132   
133      var button = "<button class='text' onclick='moveToRoom()'>OK</button>"; 
134      display.navigation(button); 
135    } 
136    else 
137    { 
138      player.currentRoom = roomToGoTo; 
139      moveToRoom(); 
140    } 
141  } 
142   
143  function moveToRoom() 
144  { 
145    display.clear(); 
146    display.image(player.currentRoom.image); 
147    player.pathTaken.push(player.currentRoom); 
148    createNavigationButtons(player); 
149    display.description(player.currentRoom); 
150    showItemInRoom(); 
151    showBrokenThing(); 
152    display.score(); 
153    showInventory(); 
154    updateColors(player.currentRoom.color); 
155  } 
156   
157  function isThereAnItem() 
158  { 
159    var text = ""; 
160    var item = player.currentRoom.itemFound; 
161    if (item) 
162    { 
163      text += "You found the " + item + "!"; 
164      player.inventory.push(item); 
165      player.currentRoom.itemFound = null; 
166    } 
167    else 
168    { 
169      text += "There's nothing to take. You lose 5 points."; 
170      player.score -= 5; 
171      updateColors("red"); 
172    } 
173   
174    var foundItem = document.getElementById("foundItem"); 
175    if (foundItem) 
176    { 
177      foundItem.innerHTML = text; 
178    } 
179    else 
180    { 
181      display.found(text); 
182    } 
183   
184    display.score(); 
185    showInventory(); 
186  } 
187   
188  function isThereAKey() 
189  { 
190    var text = ""; 
191    var keys = player.currentRoom.keys; 
192   
193    if (keys && keys.length > 0) 
194    { 
195      var index = Math.floor(Math.random() * keys.length); 
196      var key = keys[index]; 
197   
198      text += "You found the " + key + "!"; 
199      player.keys.push(key); 
200      player.currentRoom.keys.splice(index, 1); 
201    } 
202    else 
203    { 
204      //I don't want the player to lose points for looking for a key, so I'm changing the text and commenting out the part that takes off points. 
205      text += "There is no key here."; 
206   
207      /* 
208       text += "There's nothing to take. <p>You lose 5 points."; 
209       player.score -= 5; 
210       updateColors("red"); //optional add-on feature 
211       */ 
212    } 
213   
214    var foundKey = document.getElementById("foundKey"); 
215    if (foundKey) 
216    { 
217      foundKey.innerHTML = text; 
218    } 
219    else 
220    { 
221      display.found(text); 
222    } 
223   
224    display.score(); 
225    showInventory(); 
226  } 
227   
228  function useKey(keyName) 
229  { 
230    var text = ""; 
231    var locks = []; 
232    var unlocked = []; 
233    var notUnlocked = []; 
234   
235    //get the set of rooms with locks, the number of doors unlocked, and the doors not unlocked 
236    for (var exit in player.currentRoom.exits) 
237    { 
238      var exitName = player.currentRoom.exits[exit]; 
239      var room = rooms[exitName]; 
240      if (room.locked && room.locked.length > 0) 
241      { 
242        locks.push(exit); 
243        var index = room.locked.indexOf(keyName); 
244        if (index === -1) 
245        { 
246          notUnlocked.push(exit); 
247        } 
248        else 
249        { 
250          unlocked.push(exit); 
251          room.locked = null; 
252        } 
253      } 
254    } 
255   
256    if (locks.length === 0) 
257    { 
258      text += "<h3>No doors were locked here.</h3>"; 
259      text += "You lose 5 points."; 
260      player.score -= 5; 
261      updateColors("red"); 
262    } 
263   
264    /* 
265     //simple grammar version 
266     if (unlocked.length > 0) 
267     { 
268     text += "<strong>Exit(s) unlocked with the " + keyName + ": </strong>"; 
269     text += unlocked.join(", "); 
270     } 
271   
272     if (notUnlocked.length > 0) 
273     { 
274     text += "<strong>Exit(s) not unlocked with the " + keyName + ": </strong>"; 
275     text += notUnlocked.join(", "); 
276     } 
277     */ 
278   
279    //this sets up the report for any doors that were unlocked 
280    if (unlocked.length === 1) 
281    { 
282      text += "<h3>The " + keyName + " unlocked the " + unlocked[0] + " exit.</h3>"; 
283    } 
284    else if (unlocked.length > 1) 
285    { 
286      text += "<h3>The " + keyName + " unlocked the "; 
287   
288      var exitSlice = unlocked.slice(0, unlocked.length - 1); 
289      text += exitSlice.join(", "); 
290      if (unlocked.length > 2) 
291      { 
292        text += ","; 
293      } 
294      text += " and "; 
295      text += unlocked[unlocked.length - 1]; 
296      text += " exits.</h3>"; 
297    } 
298   
299    //this sets up the report for any doors that could not be unlocked by the key that was used 
300    if (notUnlocked.length === 1) 
301    { 
302      text += "<h3>The " + keyName + " could not unlock the " + notUnlocked[0] + " exit.</h3>"; 
303    } 
304    else if (notUnlocked.length > 1) 
305    { 
306      text += "<h3>The " + keyName + " could not unlock the "; 
307   
308      var exitSlice = notUnlocked.slice(0, notUnlocked.length - 1); 
309      text += exitSlice.join(", "); 
310      if (notUnlocked.length > 2) 
311      { 
312        text += ","; 
313      } 
314      text += " and "; 
315      text += notUnlocked[notUnlocked.length - 1]; 
316      text += " exits.</h3>"; 
317    } 
318   
319    display.broken(text); 
320    display.found(""); 
321    var button = "<button class='text' onclick='moveToRoom()'>OK</button>"; 
322    display.navigation(button); 
323  } 
324   
325  function fixBrokenThing(fixWith) 
326  { 
327    //helper variable 
328    var index = player.inventory.indexOf(fixWith); 
329    var brokenThing = player.currentRoom.brokenThing; 
330    var text = ""; 
331   
332    if (!brokenThing) 
333    { 
334      text += "There's nothing to fix in here! "; 
335      text += "You lose 10 points. "; 
336      player.score -= 10; 
337      updateColors("red"); 
338    } 
339   
340    //test: if fixWith is NOT in inventory 
341    else if (index === -1) 
342    { 
343      text += "You're not carrying a " + fixWith + ". "; 
344      text += "You lose 5 points."; 
345      player.score -= 5; 
346      updateColors("red"); 
347   
348    } 
349    else if (fixWith !== player.currentRoom.fixWith) 
350    { 
351      text += "The " + fixWith + " won't fix "; 
352      text += "the " + brokenThing + ". "; 
353      text += "You lose 15 points."; 
354      player.score -= 15; 
355      updateColors("red"); 
356    } 
357   
358    else //the item IS in the inventory 
359    { 
360      if (playerIsTired()) //optional feature 
361      { 
362        text += "You try to fix the " + brokenThing; 
363        text += " but you feel fatigued and couldn't."; 
364        text += " You lose 5 points. Try again. "; 
365        player.score -= 5; 
366        updateColors("red"); 
367      } 
368      else 
369      { 
370        text += "You fixed the " + brokenThing; 
371        text += " with the " + fixWith + "!"; 
372        text += " You earn "; 
373        text += player.currentRoom.points; 
374        text += " points."; 
375   
376        player.currentRoom.brokenThing = null; 
377   
378        //Feature: Getting More Descriptive 
379        if (player.currentRoom.altDescription) 
380        { 
381          player.currentRoom.description = 
382            player.currentRoom.altDescription; 
383          display.description(player.currentRoom); 
384        } 
385   
386        player.score += player.currentRoom.points; 
387        updateColors("darkgreen"); 
388        player.itemsLeftToFix--; 
389        player.inventory.splice(index, 1); 
390        if (player.currentRoom.passcodeHint) 
391        { 
392          text += "<p>You found a piece of the passcode!</p>"; 
393          text += "{ " + player.currentRoom.passcodeHint + " }"; 
394   
395          if (player.keys) 
396          { 
397            player.keys.push(player.currentRoom.passcodeHint); 
398          } 
399          else 
400          { 
401            player.inventory.push(player.currentRoom.passcodeHint); 
402          } 
403        } 
404      } 
405    } 
406    display.broken(text); 
407    display.score(); 
408    showInventory(); 
409   
410  } 
411   
412  //Feature: Making the Player Tired 
413  function playerIsTired() 
414  { 
415    var items = player.inventory.length; 
416    var fixes = player.itemsLeftToFix; 
417    var steps = 0; 
418   
419    if (player.pathTaken) 
420    { 
421      steps = player.pathTaken.length; 
422    } 
423    var tiredness = items + steps - fixes; 
424    var effort = Math.min(tiredness, 25); 
425    var threshold = Math.floor(Math.random() * effort); 
426   
427    return threshold > 15; 
428  } 
429   
430  function alertGameWon() 
431  { 
432    var text = "<h3>Congratulations, " + player.name + "!</h3>"; 
433    text += "You entered the correct passcode "; 
434    text += "and escaped the house! "; 
435   
436    text += "<p>You earn " + passcode.reward + " points!</p>"; 
437    player.score += passcode.reward; 
438   
439    text += "You finished the game with a score of "; 
440    text += player.score + " points! "; 
441    text += "Play again soon!"; 
442    display.info(text); 
443   
444    var path = "<h3>Here's how you traversed the house</h3>"; 
445    var steps = player.pathTaken.length; 
446    for (var i = 0; i < steps; i++) 
447    { 
448      var room = player.pathTaken[i]; 
449      path += room.name; 
450      if (i < steps - 1) 
451      { 
452        path += " &rarr; ";   // HTML right arrow 
453      } 
454    } 
455    display.broken(path); 
456    display.found(""); 
457    display.image(houseImages.outside); 
458    updateColors("darkgreen"); 
459  } 
460   
461  function checkPlayAgain() 
462  { 
463    //create the replay button 
464    var buttons = "<button id='replay' onclick='startGame()'>Replay Game</button>"; 
465   
466    //optional: add a second 'leave game' button 
467    var url = "http://coding.stephenjwolf.com"; 
468    buttons += "<a href='" + url + "' target='_blank'><button id='leave'>Learn to Code</button></a>"; 
469   
470    display.navigation(buttons); 
471  }