rock paper scisors

SUBMITTED BY: smiley

DATE: Nov. 26, 2015, 2:34 a.m.

FORMAT: C++

SIZE: 3.2 kB

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  1. /**********************************/
  2. /* Rock, Paper, Scissors */
  3. /* Made by: smiley */
  4. /**********************************/
  6. #include <stdio.h> //Input/Output
  7. #include <stdlib.h> //For rand, srand
  8. #include <stdbool.h> //For booleans
  9. #include <time.h> //For the seed
  13. /*Global data related to rock, paper, scissors*/
  14. typedef enum{
  15. ROCK = 0,
  16. PAPER,
  17. SCISSORS
  18. }Moves_t;
  20. typedef enum{
  21. VICTORY,
  22. DRAW,
  23. DEFEAT
  24. }Result;
  27. /*Returns a char array to output both moves*/
  28. char* getMove(Moves_t move){
  29. char* out = "Invalid";
  31. switch (move){
  32. case ROCK:
  33. out = "Rock";
  34. break;
  35. case PAPER:
  36. out = "Paper";
  37. break;
  38. case SCISSORS:
  39. out = "Scissors";
  40. break;
  41. }
  43. return out;
  45. }
  47. /*Returns the result*/
  48. Result getVictory(Moves_t my, Moves_t opp){
  50. int out = 0;
  52. switch (my){
  54. case ROCK:
  55. if (opp == PAPER){ out = DEFEAT; }
  56. else if (opp == ROCK){ out = DRAW; }
  57. else{ out = VICTORY; }
  58. break;
  60. case PAPER:
  61. if (opp == SCISSORS){ out = DEFEAT; }
  62. else if (opp == PAPER){ out = DRAW; }
  63. else{ out = VICTORY; }
  64. break;
  66. case SCISSORS:
  67. if (opp == ROCK){ out = DEFEAT; }
  68. else if (opp == SCISSORS){ out = DRAW; }
  69. else{ out = VICTORY; }
  70. break;
  72. }
  73. return out;
  75. }
  79. int main(int argc, char** argv){
  81. Moves_t myMove, oppMove; //Player's move, Opponent's move
  82. int myScore = 0, oppScore = 0; //Current score for both players
  83. char input = 0; //Input of the player
  84. bool isPlaying = true; //Bool to help the main game loop
  85. bool wrongInput = false; //Bool to restart the input if the user doesn't specify a valid move
  86. Result result = DRAW;
  89. char* menuText =
  90. "You: %i Opp: %i\n"
  91. "***************************\n"
  92. "* (R)ock *\n"
  93. "* (P)aper *\n"
  94. "* (S)cissors *\n"
  95. "***************************\n"
  96. "Enter a letter(R, P, S): "; //end of menuText
  99. srand(time(NULL));
  103. while (isPlaying){
  105. wrongInput = false; //reset our flag
  106. system("cls"); //clean the screen, WARNING: only for windows..
  108. /*Show the instructions*/
  109. printf(menuText, myScore, oppScore);
  111. /*Get the player's move*/
  112. input = fgetchar();
  114. switch (input){
  116. case 'R': case 'r':
  117. myMove = ROCK;
  118. break;
  120. case 'P': case 'p':
  121. myMove = PAPER;
  122. break;
  124. case 'S': case 's':
  125. myMove = SCISSORS;
  126. break;
  128. default:
  129. printf("\n\nYou have to choose either 'r', 'p' or 's'!\n\n");
  130. getchar();
  131. wrongInput = true; //set our flag to true
  132. break;
  133. }
  135. if (wrongInput){ continue; } //restart the input, invalid move was selected..
  136. else{
  138. /*Generate opponent's move*/
  139. oppMove = (Moves_t)rand() / (RAND_MAX / 3 + 1);
  141. printf("You: %s\nOpponent: %s\n\n", getMove(myMove), getMove(oppMove));
  142. result = getVictory(myMove, oppMove);
  145. /*Output the result and update the score*/
  146. switch (result){
  147. case VICTORY:
  148. printf("You Win!");
  149. myScore++;
  150. break;
  152. case DRAW:
  153. printf("DRAW !");
  154. break;
  156. case DEFEAT:
  157. printf("Opponent Wins!");
  158. oppScore++;
  159. break;
  160. }
  162. getchar(); getchar();
  166. }
  168. }
  173. }
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