Marc Bax / Mbed 2 deprecated Flexbook180111a

Error as described in MBs email to MS

Dependencies:   SDFileSystem app epson mbed msp430 pl tests

hangman.cpp@1:5874c1a074a7, 2018-01-11 (annotated)

Committer:
marcbax
Date:
Thu Jan 11 14:12:00 2018 +0000
Revision:
1:5874c1a074a7
Parent:
0:c643d398cdb6 
Version 180111a with error as reported to Mark Symonds

Who changed what in which revision?

UserRevisionLine numberNew contents of line
marcbax 0:c643d398cdb6 1
marcbax 0:c643d398cdb6 2
marcbax 0:c643d398cdb6 3 #include "log.h"
marcbax 0:c643d398cdb6 4 #include "hangman.h"
marcbax 0:c643d398cdb6 5 #include "eink.h"
marcbax 0:c643d398cdb6 6 #include "mbed.h"
marcbax 0:c643d398cdb6 7 #include "SDFileSystem.h"
marcbax 0:c643d398cdb6 8
marcbax 0:c643d398cdb6 9 namespace Flexbook
marcbax 0:c643d398cdb6 10 {
marcbax 0:c643d398cdb6 11
marcbax 0:c643d398cdb6 12 HangmanGame::HangmanGame()
marcbax 0:c643d398cdb6 13 : finished(false), currentpos(13), oldpos(13),
marcbax 0:c643d398cdb6 14 alphabet(), word(""), guessed(""),
marcbax 0:c643d398cdb6 15 wordlength(0), hangstage(0)
marcbax 0:c643d398cdb6 16 {
marcbax 0:c643d398cdb6 17 Log("Creating hangman game");
marcbax 0:c643d398cdb6 18
marcbax 0:c643d398cdb6 19 // Display the game welcome screen
marcbax 0:c643d398cdb6 20 WriteImage("/base.pgm");
marcbax 0:c643d398cdb6 21 DrawMan(0);
marcbax 0:c643d398cdb6 22 UpdateDisplay();
marcbax 0:c643d398cdb6 23
marcbax 0:c643d398cdb6 24 // Fill the array to indicate none of the letters has been used
marcbax 0:c643d398cdb6 25 for (int i=0; i<27; i++)
marcbax 0:c643d398cdb6 26 {
marcbax 0:c643d398cdb6 27 alphabet[i]=false;
marcbax 0:c643d398cdb6 28 }
marcbax 0:c643d398cdb6 29
marcbax 0:c643d398cdb6 30 // Pick a random word from the hangdict.txt file, update *word, and return the number of characters
marcbax 0:c643d398cdb6 31 wordlength = ReturnWord(*word);
marcbax 0:c643d398cdb6 32
marcbax 0:c643d398cdb6 33 //Change the word string so that "A" is 0, "M"=12, "N"=14 and "Z"=26
marcbax 0:c643d398cdb6 34 for (int i=0; i<wordlength; i++)
marcbax 0:c643d398cdb6 35 {
marcbax 0:c643d398cdb6 36 word[i] = word[i] - 65;
marcbax 0:c643d398cdb6 37 if (word[i] > 12) word[i] = word[i] + 1;
marcbax 0:c643d398cdb6 38 guessed[i]=13;
marcbax 0:c643d398cdb6 39 printf(" %u", word[i]);
marcbax 0:c643d398cdb6 40 }
marcbax 0:c643d398cdb6 41
marcbax 0:c643d398cdb6 42 // Display the game start screen
marcbax 0:c643d398cdb6 43 printf("\n");
marcbax 0:c643d398cdb6 44 DrawWord(guessed, wordlength);
marcbax 0:c643d398cdb6 45
marcbax 0:c643d398cdb6 46 }
marcbax 0:c643d398cdb6 47
marcbax 0:c643d398cdb6 48 HangmanGame::~HangmanGame()
marcbax 0:c643d398cdb6 49 {
marcbax 0:c643d398cdb6 50 Log("deleting hangmangame");
marcbax 0:c643d398cdb6 51 }
marcbax 0:c643d398cdb6 52
marcbax 0:c643d398cdb6 53 // Function returning x-position of "letterpos" on the alphabet matrix
marcbax 0:c643d398cdb6 54 int HangmanGame::Xpos(const char letterpos)
marcbax 0:c643d398cdb6 55 {
marcbax 0:c643d398cdb6 56 int result;
marcbax 0:c643d398cdb6 57 result = 155 + ((letterpos%9)*25);
marcbax 0:c643d398cdb6 58 printf("xpos = %u, ", result);
marcbax 0:c643d398cdb6 59 return(result);
marcbax 0:c643d398cdb6 60 }
marcbax 0:c643d398cdb6 61
marcbax 0:c643d398cdb6 62 // Function returning y-position of "letterpos" on the alphabet matrix
marcbax 0:c643d398cdb6 63 int HangmanGame::Ypos(const char letterpos)
marcbax 0:c643d398cdb6 64 {
marcbax 0:c643d398cdb6 65 int result;
marcbax 0:c643d398cdb6 66 result = 21 + ((letterpos/9)*30);
marcbax 0:c643d398cdb6 67 printf("ypos = %u\n", result);
marcbax 0:c643d398cdb6 68 return(result);
marcbax 0:c643d398cdb6 69 }
marcbax 0:c643d398cdb6 70
marcbax 0:c643d398cdb6 71 // routine that redraws the alphabet matrix after a cursor move
marcbax 0:c643d398cdb6 72 void HangmanGame::RedrawAlphabet(const char newpos, const char oldpos, const bool alphabet[27])
marcbax 0:c643d398cdb6 73 {
marcbax 0:c643d398cdb6 74 Log("redrawing newpos");
marcbax 0:c643d398cdb6 75 if (alphabet[newpos])
marcbax 0:c643d398cdb6 76 {
marcbax 0:c643d398cdb6 77 //writeimage of newpos letter greyed inverted
marcbax 0:c643d398cdb6 78 printf("writing %u grey inverted\n", newpos);
marcbax 0:c643d398cdb6 79 WritePartImage("/agi.pgm", Xpos(newpos), Ypos(newpos), newpos*25, 0, 24, 28);
marcbax 0:c643d398cdb6 80 }
marcbax 0:c643d398cdb6 81 else
marcbax 0:c643d398cdb6 82 {
marcbax 0:c643d398cdb6 83 //writeimage of newpos letter inverted
marcbax 0:c643d398cdb6 84 printf("writing %u inverted\n", newpos);
marcbax 1:5874c1a074a7 85 WritePartImage("/ai.pgm", 230, 51, 300, 0, 24, 28);
marcbax 1:5874c1a074a7 86 //WritePartImage("/ai.pgm", Xpos(newpos), Ypos(newpos), newpos*25, 0, 24, 28);
marcbax 0:c643d398cdb6 87 }
marcbax 0:c643d398cdb6 88 Log("redrawing oldpos");
marcbax 0:c643d398cdb6 89 if (alphabet[oldpos])
marcbax 0:c643d398cdb6 90 {
marcbax 0:c643d398cdb6 91 //writeimage of oldpos letter greyed out
marcbax 0:c643d398cdb6 92 printf("writing %u greyed\n", oldpos);
marcbax 0:c643d398cdb6 93 WritePartImage("/ag.pgm", Xpos(oldpos), Ypos(oldpos), oldpos*25, 0, 24, 28);
marcbax 0:c643d398cdb6 94 }
marcbax 0:c643d398cdb6 95 else
marcbax 0:c643d398cdb6 96 {
marcbax 0:c643d398cdb6 97 //writeimage of oldpos letter normal
marcbax 0:c643d398cdb6 98 printf("writing %u normal\n", oldpos);
marcbax 0:c643d398cdb6 99 WritePartImage("/an.pgm", Xpos(oldpos), Ypos(oldpos), oldpos*25, 0, 24, 28);
marcbax 0:c643d398cdb6 100 }
marcbax 0:c643d398cdb6 101 // redraw the alphabet matrix based on a cursor move
marcbax 0:c643d398cdb6 102 UpdateDisplay();
marcbax 0:c643d398cdb6 103 }
marcbax 0:c643d398cdb6 104
marcbax 0:c643d398cdb6 105 //function to count number of eligible words in the dictionary file
marcbax 0:c643d398cdb6 106 int HangmanGame::NumDictWords()
marcbax 0:c643d398cdb6 107 {
marcbax 0:c643d398cdb6 108 FILE *fp1 = fopen("/sd/hangman/hangdict.txt", "r");
marcbax 0:c643d398cdb6 109 if (fp1 == NULL) {
marcbax 0:c643d398cdb6 110 printf("Could not open hangdict.txt\n");
marcbax 0:c643d398cdb6 111 }
marcbax 0:c643d398cdb6 112 else {
marcbax 0:c643d398cdb6 113 printf("hangdict.txt opened\n");
marcbax 0:c643d398cdb6 114 }
marcbax 0:c643d398cdb6 115 int wordcount = 0;
marcbax 0:c643d398cdb6 116 int wordlength = 0;
marcbax 0:c643d398cdb6 117 int ch;
marcbax 0:c643d398cdb6 118 while (EOF != (ch = getc(fp1))) {
marcbax 0:c643d398cdb6 119 // check if character is an LF. If the word on that line is the right length, increment word counter
marcbax 0:c643d398cdb6 120 if (ch == 10) {
marcbax 0:c643d398cdb6 121 if ((wordlength > 7) && (wordlength < 15)) {
marcbax 0:c643d398cdb6 122 wordcount = wordcount + 1;
marcbax 0:c643d398cdb6 123 }
marcbax 0:c643d398cdb6 124 wordlength = 0;
marcbax 0:c643d398cdb6 125 }
marcbax 0:c643d398cdb6 126 else {
marcbax 0:c643d398cdb6 127 // if the character is not an LF, increment character count
marcbax 0:c643d398cdb6 128 wordlength = wordlength + 1;
marcbax 0:c643d398cdb6 129 }
marcbax 0:c643d398cdb6 130 }
marcbax 0:c643d398cdb6 131 fclose(fp1);
marcbax 0:c643d398cdb6 132 printf("Word count: %u\n", wordcount);
marcbax 0:c643d398cdb6 133 return wordcount;
marcbax 0:c643d398cdb6 134 }
marcbax 0:c643d398cdb6 135
marcbax 0:c643d398cdb6 136 // routine to draw the current guess of the word on the display
marcbax 0:c643d398cdb6 137 void HangmanGame::DrawWord(const char guessed[14], const char wordlength)
marcbax 0:c643d398cdb6 138 {
marcbax 0:c643d398cdb6 139 for (int i = 0; i < wordlength; i++) {
marcbax 0:c643d398cdb6 140 WritePartImage("/an.pgm", 380-(25*(wordlength-i)), 191, guessed[i]*25, 0, 24, 28);
marcbax 0:c643d398cdb6 141 }
marcbax 0:c643d398cdb6 142 UpdateDisplay();
marcbax 0:c643d398cdb6 143 }
marcbax 0:c643d398cdb6 144
marcbax 0:c643d398cdb6 145 // routine to redraw the hanging man
marcbax 0:c643d398cdb6 146 void HangmanGame::DrawMan(const char manstate)
marcbax 0:c643d398cdb6 147 {
marcbax 0:c643d398cdb6 148 switch (manstate)
marcbax 0:c643d398cdb6 149 {
marcbax 0:c643d398cdb6 150 case 0:
marcbax 0:c643d398cdb6 151 WritePartImage("/man0.pgm", 35, 0, 0, 0, 74, 174);
marcbax 0:c643d398cdb6 152 break;
marcbax 0:c643d398cdb6 153
marcbax 0:c643d398cdb6 154 case 1:
marcbax 0:c643d398cdb6 155 WritePartImage("/man1.pgm", 35, 0, 0, 0, 74, 174);
marcbax 0:c643d398cdb6 156 break;
marcbax 0:c643d398cdb6 157
marcbax 0:c643d398cdb6 158 case 2:
marcbax 0:c643d398cdb6 159 WritePartImage("/man2.pgm", 35, 0, 0, 0, 74, 174);
marcbax 0:c643d398cdb6 160 break;
marcbax 0:c643d398cdb6 161
marcbax 0:c643d398cdb6 162 case 3:
marcbax 0:c643d398cdb6 163 WritePartImage("/man3.pgm", 35, 0, 0, 0, 74, 174);
marcbax 0:c643d398cdb6 164 break;
marcbax 0:c643d398cdb6 165
marcbax 0:c643d398cdb6 166 case 4:
marcbax 0:c643d398cdb6 167 WritePartImage("/man4.pgm", 35, 0, 0, 0, 74, 174);
marcbax 0:c643d398cdb6 168 break;
marcbax 0:c643d398cdb6 169
marcbax 0:c643d398cdb6 170 case 5:
marcbax 0:c643d398cdb6 171 WritePartImage("/man5.pgm", 35, 0, 0, 0, 74, 174);
marcbax 0:c643d398cdb6 172 break;
marcbax 0:c643d398cdb6 173
marcbax 0:c643d398cdb6 174 case 6:
marcbax 0:c643d398cdb6 175 WritePartImage("/man6.pgm", 35, 0, 0, 0, 74, 174);
marcbax 0:c643d398cdb6 176 break;
marcbax 0:c643d398cdb6 177 }
marcbax 0:c643d398cdb6 178 }
marcbax 0:c643d398cdb6 179
marcbax 0:c643d398cdb6 180 // routine that picks a new word to guess, and returns the number of characters in the word
marcbax 0:c643d398cdb6 181 char HangmanGame::ReturnWord(char &word2guess)
marcbax 0:c643d398cdb6 182 {
marcbax 0:c643d398cdb6 183 //pick a random word from the hangdict.txt file
marcbax 0:c643d398cdb6 184 int wordindex = rand()%HangmanGame::NumDictWords();
marcbax 0:c643d398cdb6 185 FILE *fp1 = fopen("/sd/hangman/hangdict.txt", "r");
marcbax 0:c643d398cdb6 186 printf("Returning word: %u\n", wordindex);
marcbax 0:c643d398cdb6 187 for (int i = 0; i < wordindex; i++) {
marcbax 0:c643d398cdb6 188 fgets(&word2guess, 24, fp1);
marcbax 0:c643d398cdb6 189 while ((strlen(&word2guess) < 10) || (strlen(&word2guess) > 16)) {
marcbax 0:c643d398cdb6 190 fgets(&word2guess, 24, fp1);
marcbax 0:c643d398cdb6 191 }
marcbax 0:c643d398cdb6 192 }
marcbax 0:c643d398cdb6 193 printf("%s - length %u characters\n", &word2guess, strlen(&word2guess)-2);
marcbax 0:c643d398cdb6 194 fclose(fp1);
marcbax 0:c643d398cdb6 195 return (strlen(&word2guess)-2);
marcbax 0:c643d398cdb6 196 }
marcbax 0:c643d398cdb6 197
marcbax 0:c643d398cdb6 198 // routine to move the cursor on the alphabet matrix when a nav button is pressed
marcbax 0:c643d398cdb6 199 // navbuttons: up=10; right=6; down=7; left=9; (select=8; cancel=5;)
marcbax 0:c643d398cdb6 200 char HangmanGame::MoveCursor(const bool alphabet[27], const char buttonnumber, char oldpos)
marcbax 0:c643d398cdb6 201 {
marcbax 0:c643d398cdb6 202 char newpos;
marcbax 0:c643d398cdb6 203 printf("%u, ", oldpos);
marcbax 0:c643d398cdb6 204 switch (buttonnumber)
marcbax 0:c643d398cdb6 205 {
marcbax 0:c643d398cdb6 206 case 10:
marcbax 0:c643d398cdb6 207 if (oldpos > 8)
marcbax 0:c643d398cdb6 208 newpos = oldpos-9;
marcbax 0:c643d398cdb6 209 else newpos=oldpos;
marcbax 0:c643d398cdb6 210 break;
marcbax 0:c643d398cdb6 211
marcbax 0:c643d398cdb6 212 case 7:
marcbax 0:c643d398cdb6 213 if (oldpos < 18)
marcbax 0:c643d398cdb6 214 newpos = oldpos+9;
marcbax 0:c643d398cdb6 215 else newpos=oldpos;
marcbax 0:c643d398cdb6 216 break;
marcbax 0:c643d398cdb6 217
marcbax 0:c643d398cdb6 218 case 9:
marcbax 0:c643d398cdb6 219 if ((oldpos == 0) || (oldpos == 9) || (oldpos == 18))
marcbax 0:c643d398cdb6 220 newpos=oldpos;
marcbax 0:c643d398cdb6 221 else newpos=oldpos-1;
marcbax 0:c643d398cdb6 222 break;
marcbax 0:c643d398cdb6 223
marcbax 0:c643d398cdb6 224 case 6:
marcbax 0:c643d398cdb6 225 if ((oldpos == 8) || (oldpos == 17) || (oldpos == 26))
marcbax 0:c643d398cdb6 226 newpos=oldpos;
marcbax 0:c643d398cdb6 227 else newpos=oldpos+1;
marcbax 0:c643d398cdb6 228 break;
marcbax 0:c643d398cdb6 229
marcbax 0:c643d398cdb6 230 default:
marcbax 0:c643d398cdb6 231 newpos=13;
marcbax 0:c643d398cdb6 232 }
marcbax 0:c643d398cdb6 233 printf("%u\n", newpos);
marcbax 0:c643d398cdb6 234 if (newpos != oldpos) RedrawAlphabet(newpos, oldpos, alphabet);
marcbax 0:c643d398cdb6 235 Log("alphabet redrawn");
marcbax 0:c643d398cdb6 236 oldpos = newpos;
marcbax 0:c643d398cdb6 237 return(newpos);
marcbax 0:c643d398cdb6 238 }
marcbax 0:c643d398cdb6 239
marcbax 0:c643d398cdb6 240 // routine called when a letter is selected - unfinished work in progress
marcbax 0:c643d398cdb6 241 bool HangmanGame::SelectLetter(const char letterpos, const char word2guess[14], const char wordlength, char* guessed[14], char hangmanstate)
marcbax 0:c643d398cdb6 242 {
marcbax 0:c643d398cdb6 243 bool goodguess = false;
marcbax 0:c643d398cdb6 244 // If the word contains the selected letter, update the guess
marcbax 0:c643d398cdb6 245 for (int i=0; i < wordlength; i++)
marcbax 0:c643d398cdb6 246 {
marcbax 0:c643d398cdb6 247 if (word2guess[i]==letterpos)
marcbax 0:c643d398cdb6 248 {
marcbax 0:c643d398cdb6 249 *guessed[i]=letterpos;
marcbax 0:c643d398cdb6 250 goodguess = true;
marcbax 0:c643d398cdb6 251 }
marcbax 0:c643d398cdb6 252 }
marcbax 0:c643d398cdb6 253 // If guess is correct, update the displayed word
marcbax 0:c643d398cdb6 254 if (goodguess)
marcbax 0:c643d398cdb6 255 {
marcbax 0:c643d398cdb6 256 DrawWord(*guessed, wordlength);
marcbax 0:c643d398cdb6 257 }
marcbax 0:c643d398cdb6 258
marcbax 0:c643d398cdb6 259 // If the guess was wrong, hang the next segment of the man
marcbax 0:c643d398cdb6 260 if (!goodguess)
marcbax 0:c643d398cdb6 261 {
marcbax 0:c643d398cdb6 262 hangmanstate = hangmanstate+1;
marcbax 0:c643d398cdb6 263 DrawMan(hangmanstate);
marcbax 0:c643d398cdb6 264 }
marcbax 0:c643d398cdb6 265
marcbax 0:c643d398cdb6 266 //body
marcbax 0:c643d398cdb6 267 UpdateDisplay();
marcbax 0:c643d398cdb6 268 // The return value is false if the game is not finished yet, and true if the word is guessed or the man is hung
marcbax 0:c643d398cdb6 269 if ((hangmanstate==6) || (word2guess==*guessed))
marcbax 0:c643d398cdb6 270 {
marcbax 0:c643d398cdb6 271 return(true);
marcbax 0:c643d398cdb6 272 }
marcbax 0:c643d398cdb6 273 else return (false);
marcbax 0:c643d398cdb6 274 }
marcbax 0:c643d398cdb6 275
marcbax 0:c643d398cdb6 276 }