src/link/C/c_link.c

   1 /*\r
   2  *  c_link.c\r
   3  *  c-link-lib\r
   4  *\r
   5  *  Created by Daniel Axtens on 19/04/10.\r
   6  *  Licensed under an MIT-style license: see the LICENSE file for details.\r
   7  *\r
   8  */\r
   9 \r
  10 #include "c_link.h"\r
  11 #include <stdlib.h>\r
  12 #include <string.h>\r
  13 #include <stdio.h>\r
  14 #include <time.h>\r
  15 \r
  16 /* You don't need to read this file.\r
  17    All you have to do is implement the bot functions defined in <c_link.h>\r
  18    This file sets up the I/O for you, as well as some utility functions and tables. \r
  19  */\r
  20 \r
  21 char ITEMNAMES[3][MAXITEMLEN] = {"Rock", "Paper", "Scissors"};\r
  22 \r
  23 /* rock-rock     rock-paper     rock-scissors \r
  24    paper-rock    paper-paper    paper-scissors\r
  25    scissors-rock scissors-paper scissors-scissors */  \r
  26    \r
  27 RESULTTYPE RESULTOF[3][3] = { { tie, defender, attacker },\r
  28                               { attacker, tie, defender },\r
  29                               { defender, attacker, tie } };\r
  30 \r
  31 ITEMTYPE RandomAttack() {\r
  32         return (ITEMTYPE)rand()%3;\r
  33 }\r
  34 \r
  35 ITEMTYPE stringToItem( char * str ) {\r
  36         if (strcasecmp( str, "Rock" ) == 0) return rock;\r
  37         if (strcasecmp( str, "Paper" ) == 0) return paper;\r
  38         if (strcasecmp( str, "Scissors" ) == 0) return scissors;\r
  39         /* If we reach this point, we've got real problems. */\r
  40         fprintf( stderr, "Attempt to convert invalid string \"%s\" into an ITEMTYPE! Aborting.\n", str );\r
  41         exit(EXIT_FAILURE);\r
  42         return -1;\r
  43 }\r
  44         \r
  45 \r
  46 RESULTTYPE stringToResult( char * str ) {\r
  47         if (strcasecmp( str, "Attacker" ) == 0) return attacker;\r
  48         if (strcasecmp( str, "Defender" ) == 0) return defender;\r
  49         if (strcasecmp( str, "Tie" ) == 0) return tie;\r
  50         /* If we reach this point, we've got real problems. */\r
  51         fprintf( stderr, "Attempt to convert invalid string \"%s\" into an ITEMTYPE! Aborting.\n", str );\r
  52         exit(EXIT_FAILURE);\r
  53         return -1;\r
  54 }\r
  55 \r
  56 int main( int argc, char * argv[] ) {\r
  57         srand( time( NULL ) );\r
  58         \r
  59         char command[MAXCOMMANDLEN];\r
  60         char foeName[MAXFOENAMELEN];\r
  61         char attItem[MAXITEMLEN], defItem[MAXITEMLEN], bluffItem[MAXITEMLEN];\r
  62         char didYouInstigate[MAXBOOLLEN];\r
  63         char winner[MAXRESULTLEN];\r
  64         char uuid[UUIDLEN];  \r
  65         int pointChange;\r
  66         void *thisInstance = NULL;\r
  67 \r
  68         ATTACKTYPE attack;\r
  69         ITEMTYPE defence;\r
  70         \r
  71         /* generate a random id for this bot. Hopefully it's unique\r
  72            I can't use the UUID, because python doesn't pass it to me! */\r
  73         me = rand();\r
  74         \r
  75         scanf( "%s", command );\r
  76         \r
  77         while (strcasecmp("BYE",command) != 0) {\r
  78                 \r
  79                 if (strcasecmp("HI", command) == 0) {\r
  80                         scanf( "%s", uuid );\r
  81                         thisInstance = Initialise( uuid );\r
  82                 }\r
  83                 else if (strcasecmp("ATTACK", command) == 0) {\r
  84                         scanf( "%s", foeName );\r
  85                         if( !thisInstance )     break;\r
  86                         attack = Attack( thisInstance, foeName );\r
  87                         printf("ATTACKING %s %s\n", ITEMNAMES[attack.realAttack], ITEMNAMES[attack.promisedAttack]);\r
  88                 \r
  89                 } else if (strcasecmp("DEFEND", command) == 0) {\r
  90                         scanf( "%s %s", foeName, bluffItem );\r
  91                         if( !thisInstance )     break;\r
  92                         defence = Defend(thisInstance, foeName, stringToItem(bluffItem));\r
  93                         printf("DEFENDING %s\n", ITEMNAMES[defence]);\r
  94                 \r
  95                 } else if (strcasecmp("RESULTS", command) == 0) {\r
  96                         /* (foeName, isInstigatedByYou, winner, attItem, defItem, bluffItem, pointDelta) */\r
  97                         scanf( "%s %s %s %s %s %s %d", foeName, didYouInstigate, winner, attItem, defItem, bluffItem, &pointChange );\r
  98                         if( !thisInstance )     break;\r
  99                         Results(thisInstance, foeName, (strcasecmp("True",didYouInstigate)==0), stringToResult(winner),\r
 100                                         stringToItem(attItem), stringToItem(defItem), stringToItem(bluffItem), pointChange);\r
 101                         printf("OK\n");\r
 102                 }\r
 103         \r
 104                 fflush(stdout);\r
 105                 fflush(stderr);\r
 106         \r
 107                 // read the next command!\r
 108                 scanf( "%s", command );\r
 109         }\r
 110         \r
 111         if( !thisInstance )\r
 112                 Cleanup(thisInstance);\r
 113         \r
 114         return 0;\r
 115 }\r