gemrb/core/Calendar.cpp

   1 /* GemRB - Infinity Engine Emulator
   2  * Copyright (C) 2009 The GemRB Project
   3  *
   4  * This program is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU General Public License
   6  * as published by the Free Software Foundation; either version 2
   7  * of the License, or (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program; if not, write to the Free Software
  16  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  17  *
  18  *
  19  */
  20
  21 #include "Calendar.h"
  22
  23 #include "win32def.h"
  24
  25 #include "Interface.h"
  26 #include "TableMgr.h"
  27 #include "Variables.h"
  28
  29 Calendar::Calendar(void)
  30 {
  31         int i;
  32         AutoTable tab("months");
  33         if (!tab) {
  34                 monthnamecount=-1;
  35                 return;
  36         }
  37         monthnamecount = tab->GetRowCount();
  38         monthnames = (int *) malloc(sizeof(int) * monthnamecount);
  39         days = (int *) malloc(sizeof(int) * monthnamecount);
  40         daysinyear=0;
  41         for(i=0;i<monthnamecount;i++) {
  42                 days[i]=atoi(tab->QueryField(i,0));
  43                 daysinyear+=days[i];
  44                 monthnames[i]=atoi(tab->QueryField(i,1));
  45         }
  46 }
  47
  48 Calendar::~Calendar(void)
  49 {
  50         if (monthnames) free(monthnames);
  51         if (days) free(days);
  52 }
  53
  54 void Calendar::GetMonthName(int dayandmonth) const
  55 {
  56         int month=1;
  57
  58         for(int i=0;i<monthnamecount;i++) {
  59                 if (dayandmonth<days[i]) {
  60                         char *tmp;
  61
  62                         core->GetTokenDictionary()->SetAtCopy("DAY", dayandmonth+1);
  63
  64                         tmp = core->GetString( monthnames[i] );
  65                         core->GetTokenDictionary()->SetAt("MONTHNAME",tmp);
  66                         //must not free tmp, SetAt doesn't copy the pointer!
  67
  68                         core->GetTokenDictionary()->SetAtCopy("MONTH", month);
  69                         return;
  70                 }
  71                 dayandmonth-=days[i];
  72                 //ignoring single days (they are not months)
  73                 if (days[i]!=1) month++;
  74         }
  75 }
  76
  77 int Calendar::GetCalendarDay(int date) const
  78 {
  79         int dayandmonth;
  80         int month=1;
  81
  82         if (!daysinyear) return 0;
  83         dayandmonth = date%daysinyear;
  84         for(int i=0;i<monthnamecount;i++) {
  85                 if (dayandmonth<days[i]) {
  86                         break;
  87                 }
  88                 dayandmonth-=days[i];
  89                 //ignoring single days (they are not months)
  90                 if (days[i]!=1) month++;
  91         }
  92         return dayandmonth+1;
  93 }
  94