git.scottworley.com Git - planeteer/blob - planeteer.go

   1 /* Planeteer: Give trade route advice for Planets: The Exploration of Space
   2  * Copyright (C) 2011  Scott Worley <sworley@chkno.net>
   3  *
   4  * This program is free software: you can redistribute it and/or modify
   5  * it under the terms of the GNU Affero General Public License as
   6  * published by the Free Software Foundation, either version 3 of the
   7  * 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 Affero General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Affero General Public License
  15  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16  */
  17
  18 package main
  19
  20 import "flag"
  21 import "json"
  22 import "os"
  23 import "fmt"
  24
  25 var datafile = flag.String("planet_data_file", "planet-data",
  26         "The file to read planet data from")
  27
  28 type planet_data struct {
  29         Commodities []struct {
  30                 Name      string
  31                 BasePrice int
  32                 CanSell   bool
  33                 Limit     int
  34         }
  35         Planets []struct {
  36                 Name     string
  37                 BeaconOn bool
  38                 /* Use relative prices rather than absolute prices because you
  39                    can get relative prices without traveling to each planet. */
  40                 RelativePrices []struct {
  41                         Name  string
  42                         Value int
  43                 }
  44         }
  45 }
  46
  47 func ReadData() (data planet_data) {
  48         f, err := os.Open(*datafile)
  49         if err != nil {
  50                 panic(err)
  51         }
  52         defer f.Close()
  53         err = json.NewDecoder(f).Decode(&data)
  54         if err != nil {
  55                 panic(err)
  56         }
  57         return
  58 }
  59
  60 func main() {
  61         flag.Parse()
  62         data := ReadData()
  63         fmt.Printf("%v", data)
  64 }