Marc Bax / Mbed 2 deprecated Flexbook180111a

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Dependencies:   SDFileSystem app epson mbed msp430 pl tests

hangman.cpp@0:c643d398cdb6, 2018-01-11 (annotated)

Committer:
marcbax
Date:
Thu Jan 11 13:42:27 2018 +0000
Revision:
0:c643d398cdb6
Child:
1:5874c1a074a7
Marc Bax version 180111. It hangs on the WritePartImage in the RedrawAlphabet routine in hangman.cpp. Within that call it does execute Ypos(), but not Xpos().

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 0:c643d398cdb6 85 WritePartImage("/ai.pgm", Xpos(newpos), Ypos(newpos), newpos*25, 0, 24, 28);
marcbax 0:c643d398cdb6 86 }
marcbax 0:c643d398cdb6 87 Log("redrawing oldpos");
marcbax 0:c643d398cdb6 88 if (alphabet[oldpos])
marcbax 0:c643d398cdb6 89 {
marcbax 0:c643d398cdb6 90 //writeimage of oldpos letter greyed out
marcbax 0:c643d398cdb6 91 printf("writing %u greyed\n", oldpos);
marcbax 0:c643d398cdb6 92 WritePartImage("/ag.pgm", Xpos(oldpos), Ypos(oldpos), oldpos*25, 0, 24, 28);
marcbax 0:c643d398cdb6 93 }
marcbax 0:c643d398cdb6 94 else
marcbax 0:c643d398cdb6 95 {
marcbax 0:c643d398cdb6 96 //writeimage of oldpos letter normal
marcbax 0:c643d398cdb6 97 printf("writing %u normal\n", oldpos);
marcbax 0:c643d398cdb6 98 WritePartImage("/an.pgm", Xpos(oldpos), Ypos(oldpos), oldpos*25, 0, 24, 28);
marcbax 0:c643d398cdb6 99 }
marcbax 0:c643d398cdb6 100 // redraw the alphabet matrix based on a cursor move
marcbax 0:c643d398cdb6 101 UpdateDisplay();
marcbax 0:c643d398cdb6 102 }
marcbax 0:c643d398cdb6 103
marcbax 0:c643d398cdb6 104 //function to count number of eligible words in the dictionary file
marcbax 0:c643d398cdb6 105 int HangmanGame::NumDictWords()
marcbax 0:c643d398cdb6 106 {
marcbax 0:c643d398cdb6 107 FILE *fp1 = fopen("/sd/hangman/hangdict.txt", "r");
marcbax 0:c643d398cdb6 108 if (fp1 == NULL) {
marcbax 0:c643d398cdb6 109 printf("Could not open hangdict.txt\n");
marcbax 0:c643d398cdb6 110 }
marcbax 0:c643d398cdb6 111 else {
marcbax 0:c643d398cdb6 112 printf("hangdict.txt opened\n");
marcbax 0:c643d398cdb6 113 }
marcbax 0:c643d398cdb6 114 int wordcount = 0;
marcbax 0:c643d398cdb6 115 int wordlength = 0;
marcbax 0:c643d398cdb6 116 int ch;
marcbax 0:c643d398cdb6 117 while (EOF != (ch = getc(fp1))) {
marcbax 0:c643d398cdb6 118 // check if character is an LF. If the word on that line is the right length, increment word counter
marcbax 0:c643d398cdb6 119 if (ch == 10) {
marcbax 0:c643d398cdb6 120 if ((wordlength > 7) && (wordlength < 15)) {
marcbax 0:c643d398cdb6 121 wordcount = wordcount + 1;
marcbax 0:c643d398cdb6 122 }
marcbax 0:c643d398cdb6 123 wordlength = 0;
marcbax 0:c643d398cdb6 124 }
marcbax 0:c643d398cdb6 125 else {
marcbax 0:c643d398cdb6 126 // if the character is not an LF, increment character count
marcbax 0:c643d398cdb6 127 wordlength = wordlength + 1;
marcbax 0:c643d398cdb6 128 }
marcbax 0:c643d398cdb6 129 }
marcbax 0:c643d398cdb6 130 fclose(fp1);
marcbax 0:c643d398cdb6 131 printf("Word count: %u\n", wordcount);
marcbax 0:c643d398cdb6 132 return wordcount;
marcbax 0:c643d398cdb6 133 }
marcbax 0:c643d398cdb6 134
marcbax 0:c643d398cdb6 135 // routine to draw the current guess of the word on the display
marcbax 0:c643d398cdb6 136 void HangmanGame::DrawWord(const char guessed[14], const char wordlength)
marcbax 0:c643d398cdb6 137 {
marcbax 0:c643d398cdb6 138 for (int i = 0; i < wordlength; i++) {
marcbax 0:c643d398cdb6 139 WritePartImage("/an.pgm", 380-(25*(wordlength-i)), 191, guessed[i]*25, 0, 24, 28);
marcbax 0:c643d398cdb6 140 }
marcbax 0:c643d398cdb6 141 UpdateDisplay();
marcbax 0:c643d398cdb6 142 }
marcbax 0:c643d398cdb6 143
marcbax 0:c643d398cdb6 144 // routine to redraw the hanging man
marcbax 0:c643d398cdb6 145 void HangmanGame::DrawMan(const char manstate)
marcbax 0:c643d398cdb6 146 {
marcbax 0:c643d398cdb6 147 switch (manstate)
marcbax 0:c643d398cdb6 148 {
marcbax 0:c643d398cdb6 149 case 0:
marcbax 0:c643d398cdb6 150 WritePartImage("/man0.pgm", 35, 0, 0, 0, 74, 174);
marcbax 0:c643d398cdb6 151 break;
marcbax 0:c643d398cdb6 152
marcbax 0:c643d398cdb6 153 case 1:
marcbax 0:c643d398cdb6 154 WritePartImage("/man1.pgm", 35, 0, 0, 0, 74, 174);
marcbax 0:c643d398cdb6 155 break;
marcbax 0:c643d398cdb6 156
marcbax 0:c643d398cdb6 157 case 2:
marcbax 0:c643d398cdb6 158 WritePartImage("/man2.pgm", 35, 0, 0, 0, 74, 174);
marcbax 0:c643d398cdb6 159 break;
marcbax 0:c643d398cdb6 160
marcbax 0:c643d398cdb6 161 case 3:
marcbax 0:c643d398cdb6 162 WritePartImage("/man3.pgm", 35, 0, 0, 0, 74, 174);
marcbax 0:c643d398cdb6 163 break;
marcbax 0:c643d398cdb6 164
marcbax 0:c643d398cdb6 165 case 4:
marcbax 0:c643d398cdb6 166 WritePartImage("/man4.pgm", 35, 0, 0, 0, 74, 174);
marcbax 0:c643d398cdb6 167 break;
marcbax 0:c643d398cdb6 168
marcbax 0:c643d398cdb6 169 case 5:
marcbax 0:c643d398cdb6 170 WritePartImage("/man5.pgm", 35, 0, 0, 0, 74, 174);
marcbax 0:c643d398cdb6 171 break;
marcbax 0:c643d398cdb6 172
marcbax 0:c643d398cdb6 173 case 6:
marcbax 0:c643d398cdb6 174 WritePartImage("/man6.pgm", 35, 0, 0, 0, 74, 174);
marcbax 0:c643d398cdb6 175 break;
marcbax 0:c643d398cdb6 176 }
marcbax 0:c643d398cdb6 177 }
marcbax 0:c643d398cdb6 178
marcbax 0:c643d398cdb6 179 // routine that picks a new word to guess, and returns the number of characters in the word
marcbax 0:c643d398cdb6 180 char HangmanGame::ReturnWord(char &word2guess)
marcbax 0:c643d398cdb6 181 {
marcbax 0:c643d398cdb6 182 //pick a random word from the hangdict.txt file
marcbax 0:c643d398cdb6 183 int wordindex = rand()%HangmanGame::NumDictWords();
marcbax 0:c643d398cdb6 184 FILE *fp1 = fopen("/sd/hangman/hangdict.txt", "r");
marcbax 0:c643d398cdb6 185 printf("Returning word: %u\n", wordindex);
marcbax 0:c643d398cdb6 186 for (int i = 0; i < wordindex; i++) {
marcbax 0:c643d398cdb6 187 fgets(&word2guess, 24, fp1);
marcbax 0:c643d398cdb6 188 while ((strlen(&word2guess) < 10) || (strlen(&word2guess) > 16)) {
marcbax 0:c643d398cdb6 189 fgets(&word2guess, 24, fp1);
marcbax 0:c643d398cdb6 190 }
marcbax 0:c643d398cdb6 191 }
marcbax 0:c643d398cdb6 192 printf("%s - length %u characters\n", &word2guess, strlen(&word2guess)-2);
marcbax 0:c643d398cdb6 193 fclose(fp1);
marcbax 0:c643d398cdb6 194 return (strlen(&word2guess)-2);
marcbax 0:c643d398cdb6 195 }
marcbax 0:c643d398cdb6 196
marcbax 0:c643d398cdb6 197 // routine to move the cursor on the alphabet matrix when a nav button is pressed
marcbax 0:c643d398cdb6 198 // navbuttons: up=10; right=6; down=7; left=9; (select=8; cancel=5;)
marcbax 0:c643d398cdb6 199 char HangmanGame::MoveCursor(const bool alphabet[27], const char buttonnumber, char oldpos)
marcbax 0:c643d398cdb6 200 {
marcbax 0:c643d398cdb6 201 char newpos;
marcbax 0:c643d398cdb6 202 printf("%u, ", oldpos);
marcbax 0:c643d398cdb6 203 switch (buttonnumber)
marcbax 0:c643d398cdb6 204 {
marcbax 0:c643d398cdb6 205 case 10:
marcbax 0:c643d398cdb6 206 if (oldpos > 8)
marcbax 0:c643d398cdb6 207 newpos = oldpos-9;
marcbax 0:c643d398cdb6 208 else newpos=oldpos;
marcbax 0:c643d398cdb6 209 break;
marcbax 0:c643d398cdb6 210
marcbax 0:c643d398cdb6 211 case 7:
marcbax 0:c643d398cdb6 212 if (oldpos < 18)
marcbax 0:c643d398cdb6 213 newpos = oldpos+9;
marcbax 0:c643d398cdb6 214 else newpos=oldpos;
marcbax 0:c643d398cdb6 215 break;
marcbax 0:c643d398cdb6 216
marcbax 0:c643d398cdb6 217 case 9:
marcbax 0:c643d398cdb6 218 if ((oldpos == 0) || (oldpos == 9) || (oldpos == 18))
marcbax 0:c643d398cdb6 219 newpos=oldpos;
marcbax 0:c643d398cdb6 220 else newpos=oldpos-1;
marcbax 0:c643d398cdb6 221 break;
marcbax 0:c643d398cdb6 222
marcbax 0:c643d398cdb6 223 case 6:
marcbax 0:c643d398cdb6 224 if ((oldpos == 8) || (oldpos == 17) || (oldpos == 26))
marcbax 0:c643d398cdb6 225 newpos=oldpos;
marcbax 0:c643d398cdb6 226 else newpos=oldpos+1;
marcbax 0:c643d398cdb6 227 break;
marcbax 0:c643d398cdb6 228
marcbax 0:c643d398cdb6 229 default:
marcbax 0:c643d398cdb6 230 newpos=13;
marcbax 0:c643d398cdb6 231 }
marcbax 0:c643d398cdb6 232 printf("%u\n", newpos);
marcbax 0:c643d398cdb6 233 if (newpos != oldpos) RedrawAlphabet(newpos, oldpos, alphabet);
marcbax 0:c643d398cdb6 234 Log("alphabet redrawn");
marcbax 0:c643d398cdb6 235 oldpos = newpos;
marcbax 0:c643d398cdb6 236 return(newpos);
marcbax 0:c643d398cdb6 237 }
marcbax 0:c643d398cdb6 238
marcbax 0:c643d398cdb6 239 // routine called when a letter is selected - unfinished work in progress
marcbax 0:c643d398cdb6 240 bool HangmanGame::SelectLetter(const char letterpos, const char word2guess[14], const char wordlength, char* guessed[14], char hangmanstate)
marcbax 0:c643d398cdb6 241 {
marcbax 0:c643d398cdb6 242 bool goodguess = false;
marcbax 0:c643d398cdb6 243 // If the word contains the selected letter, update the guess
marcbax 0:c643d398cdb6 244 for (int i=0; i < wordlength; i++)
marcbax 0:c643d398cdb6 245 {
marcbax 0:c643d398cdb6 246 if (word2guess[i]==letterpos)
marcbax 0:c643d398cdb6 247 {
marcbax 0:c643d398cdb6 248 *guessed[i]=letterpos;
marcbax 0:c643d398cdb6 249 goodguess = true;
marcbax 0:c643d398cdb6 250 }
marcbax 0:c643d398cdb6 251 }
marcbax 0:c643d398cdb6 252 // If guess is correct, update the displayed word
marcbax 0:c643d398cdb6 253 if (goodguess)
marcbax 0:c643d398cdb6 254 {
marcbax 0:c643d398cdb6 255 DrawWord(*guessed, wordlength);
marcbax 0:c643d398cdb6 256 }
marcbax 0:c643d398cdb6 257
marcbax 0:c643d398cdb6 258 // If the guess was wrong, hang the next segment of the man
marcbax 0:c643d398cdb6 259 if (!goodguess)
marcbax 0:c643d398cdb6 260 {
marcbax 0:c643d398cdb6 261 hangmanstate = hangmanstate+1;
marcbax 0:c643d398cdb6 262 DrawMan(hangmanstate);
marcbax 0:c643d398cdb6 263 }
marcbax 0:c643d398cdb6 264
marcbax 0:c643d398cdb6 265 //body
marcbax 0:c643d398cdb6 266 UpdateDisplay();
marcbax 0:c643d398cdb6 267 // 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 268 if ((hangmanstate==6) || (word2guess==*guessed))
marcbax 0:c643d398cdb6 269 {
marcbax 0:c643d398cdb6 270 return(true);
marcbax 0:c643d398cdb6 271 }
marcbax 0:c643d398cdb6 272 else return (false);
marcbax 0:c643d398cdb6 273 }
marcbax 0:c643d398cdb6 274
marcbax 0:c643d398cdb6 275 }