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Question Can someone help me with this? Brain broken :)

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21 Jul 2022 09:30 #10107 by zusuk
Someone bored and able to help me straighten this out?  I was trying to set up an exchange system for currencies and walked away from it... came back and was confused by what I had started :P
Code:
/* exchange code */ #define ACCEXP_EXCHANGE_RATE 1500.0 #define QP_EXCHANGE_RATE 1200.0 #define GOLD_EXCHANGE_RATE 5.0 #define EXP_EXCHANGE_RATE 1.0 #define SRC_DST_ACCEXP 1 #define SRC_DST_QP 2 #define SRC_DST_GOLD 3 #define SRC_DST_EXP 4 #define NUM_EXCHANGE_TYPES 5 // one more than the last above const char *exchange_types[NUM_EXCHANGE_TYPES] =     {         "",         "account experience",         "quest points",         "gold coins",         "experience"}; void show_exchange_rates(struct char_data *ch) {   send_to_char(ch, "Usage: exchange <currency source> <currency purchasing> <amount to purchase>\r\n");   send_to_char(ch, "       This command is used to exchange in-game currencies including your "                    "experience points, gold coins, account experience or quest points.\r\n");   send_to_char(ch, "       currencies: accexp | qp | gold | exp\r\n");   send_to_char(ch, "       current exchange rates: accexp: %d, qp: %d, gold: %d, exp: %d",                (int)ACCEXP_EXCHANGE_RATE,                (int)QP_EXCHANGE_RATE,                (int)GOLD_EXCHANGE_RATE,                (int)EXP_EXCHANGE_RATE);   return; } // ACMD_DECL(do_cexchange) ACMD(do_cexchange) {   char arg1[MAX_STRING_LENGTH] = {'\0'};   char arg2[MAX_STRING_LENGTH] = {'\0'};   char arg3[MAX_STRING_LENGTH] = {'\0'};   float amount = 0.0, cost = 0.0, pool = 0.0;   int source = 0, exchange = 0;   /*temp*/   if (GET_LEVEL(ch) < LVL_STAFF)   {     send_to_char(ch, "Under construction!\r\n");     return;   }   /*TEMP*/   three_arguments(argument, arg1, sizeof(arg1), arg2, sizeof(arg2), arg3, sizeof(arg3));   if (!*arg1 || !*arg2 || !*arg3)   {     send_to_char(ch, "You need to provide more information.\r\n");     show_exchange_rates(ch);     return;   }   /* valid arguments */   if (!is_number(arg3))   {     send_to_char(ch, "The third argument is invalid, it needs to be a number.\r\n");     show_exchange_rates(ch);     return;   }   amount = atoi(arg3);   if (amount <= 0)   {     send_to_char(ch, "The third argument needs to be above 0.\r\n");     show_exchange_rates(ch);     return;   }   if (is_abbrev(arg1, "accexp"))     source = SRC_DST_ACCEXP;   else if (is_abbrev(arg1, "qp"))     source = SRC_DST_QP;   else if (is_abbrev(arg1, "gold"))     source = SRC_DST_GOLD;   else if (is_abbrev(arg1, "exp"))     source = SRC_DST_EXP;   else   {     send_to_char(ch, "The first argument is invalid.\r\n");     show_exchange_rates(ch);     return;   }   if (is_abbrev(arg2, "accexp"))     exchange = SRC_DST_ACCEXP;   else if (is_abbrev(arg2, "qp"))     exchange = SRC_DST_QP;   else if (is_abbrev(arg2, "gold"))     exchange = SRC_DST_GOLD;   else if (is_abbrev(arg2, "exp"))     exchange = SRC_DST_EXP;   else   {     send_to_char(ch, "The second argument is invalid.\r\n");     show_exchange_rates(ch);     return;   }   if (source == exchange)   {     send_to_char(ch, "Your source and desired currency types cannot be the same.\r\n");     show_exchange_rates(ch);     return;   }   /* everything should be valid by now, so time for some math */   /* how much is this transaction going to "cost" */   switch (exchange)   {   case SRC_DST_ACCEXP:     cost = (float)ACCEXP_EXCHANGE_RATE * amount;     /* cap for account xp currently */     if ((amount + (float)GET_ACCEXP_DESC(ch)) > 33999.0)     {       send_to_char(ch, "Account experience caps at 34K.\r\n");       return;     }     break;   case SRC_DST_QP:     cost = (float)QP_EXCHANGE_RATE * amount;     break;   case SRC_DST_GOLD:     cost = (float)GOLD_EXCHANGE_RATE * amount;     break;   case SRC_DST_EXP:     cost = (float)EXP_EXCHANGE_RATE * amount;     break;   default: /* should never get here */     show_exchange_rates(ch);     send_to_char(ch, "Please report to staff: reached default case in 1st exchange switch in do_cexchange.\r\n");     return;   }   /* can we afford it? if so, go ahead and charge 'em */   switch (source)   {   case SRC_DST_ACCEXP:     pool = cost / ((float)ACCEXP_EXCHANGE_RATE); /* amount we need */     if (pool < 1.0)     {       send_to_char(ch, "You need to increase the amount for this exchange.\r\n");       return;     }     if (GET_ACCEXP_DESC(ch) < pool)     {       send_to_char(ch, "You do not have enough account exp, you need %d total.\r\n", (int)pool);       return;     }     /* bingo! */     GET_ACCEXP_DESC(ch) -= pool;     save_account(ch->desc->account);     send_to_char(ch, "You exchange %d account exp for ", (int)pool);     break;   case SRC_DST_QP:     pool = cost / ((float)QP_EXCHANGE_RATE); /* amount we need */     if (pool < 1.0)     {       send_to_char(ch, "You need to increase the amount for this exchange.\r\n");       return;     }     if (GET_QUESTPOINTS(ch) < pool)     {       send_to_char(ch, "You do not have enough quest points, you need %d total.\r\n", (int)pool);       return;     }     /* bingo! */     GET_QUESTPOINTS(ch) -= pool;     send_to_char(ch, "You exchange %d quest points for ", (int)pool);     break;   case SRC_DST_GOLD:     pool = cost / ((float)GOLD_EXCHANGE_RATE); /* amount we need */     if (pool < 1.0)     {       send_to_char(ch, "You need to increase the amount for this exchange.\r\n");       return;     }     if (GET_GOLD(ch) < pool)     {       send_to_char(ch, "You do not have enough gold on hand, you need %d total on "                        "hand (not in bank) to make the exchange.\r\n",                    (int)pool);       return;     }     /* bingo! */     GET_GOLD(ch) -= pool;     send_to_char(ch, "You exchange %d gold for ", (int)pool);     break;   case SRC_DST_EXP:     pool = cost / ((float)EXP_EXCHANGE_RATE); /* amount we need */     if (pool <= 0.0)     {       send_to_char(ch, "You need to increase the amount for this exchange.\r\n");       return;     }     if (GET_EXP(ch) < pool)     {       send_to_char(ch, "You do not have enough experience points, you need %d total.\r\n", (int)pool);       return;     }     /* bingo! */     GET_EXP(ch) -= pool;     send_to_char(ch, "You exchange %d experience points for ", (int)pool);     break;   default: /*shouldn't get here*/     show_exchange_rates(ch);     send_to_char(ch, "Please report to staff: reached default case in source switch in do_exchange.\r\n");     return;   }   /* final portion of transaction, give them their purchase */   switch (exchange)   {   case SRC_DST_ACCEXP:     send_to_char(ch, "%d account experience.", (int)amount);     GET_ACCEXP_DESC(ch) += (int)amount;     save_account(ch->desc->account);     break;   case SRC_DST_QP:     send_to_char(ch, "%d quest points.", (int)amount);     GET_QUESTPOINTS(ch) += (int)amount;     break;   case SRC_DST_GOLD:     send_to_char(ch, "%d gold coins.", (int)amount);     GET_GOLD(ch) += (int)amount;     break;   case SRC_DST_EXP:     send_to_char(ch, "%d experience points.", (int)amount);     GET_EXP(ch) += (int)amount;     break;   default: /* should never get here */     show_exchange_rates(ch);     send_to_char(ch, "Please report to staff: reached default case in 2nd exchange switch in do_cexchange.\r\n");     return;   }   return; } #undef ACCEXP_EXCHANGE_RATE #undef QP_EXCHANGE_RATE #undef GOLD_EXCHANGE_RATE #undef EXP_EXCHANGE_RATE #undef SRC_DST_ACCEXP #undef SRC_DST_QP #undef SRC_DST_GOLD #undef SRC_DST_EXP /*end exchange code */

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