tt-stations.c

   1 /*
   2  *      IDOS Stations Extractor
   3  *
   4  *      (c) 2013 Tomas Pokorny <jethro@kam.mff.cuni.cz>
   5  *
   6  *      This software can be freely distributed and used according
   7  *      to the terms of the GNU General Public License.
   8  */
   9
  10 #include <stdlib.h>
  11 #include <stdio.h>
  12 #include <inttypes.h>
  13 #include <sys/stat.h>
  14 #include <errno.h>
  15 #include <stdbool.h>
  16
  17
  18
  19 FILE * in;
  20
  21 void print_stations(uint32_t offset)
  22 {
  23         fseek(in,offset,SEEK_SET);
  24         int32_t len;
  25         int32_t count;
  26         int32_t mincount;
  27
  28         fread(&len,1,sizeof(len),in);
  29         fread(&count,1,sizeof(count),in);
  30         offset=ftell(in)+len;
  31         mincount=count;
  32         printf("Will read %d stations\n",count);
  33
  34         int32_t  * indexes;
  35         indexes = malloc(sizeof(int32_t)*(count+1));
  36
  37
  38         for (int i=0;i<count;i++){
  39                 fread(indexes+i,1,sizeof(int32_t),in);
  40         }
  41         indexes[count]=indexes[count-1];
  42
  43         int32_t foo;
  44         fread(&len,1,sizeof(len),in);
  45         fread(&foo,1,sizeof(count),in);
  46         offset=ftell(in)+len;
  47
  48         char ** buf;
  49         buf = malloc(sizeof(char *)*count);
  50
  51         int32_t str_len;
  52         for (int i=0;i<count;i++){
  53                 str_len = indexes[i+1]-indexes[i];
  54                 buf[i] = malloc(str_len);
  55                 fread(buf[i],str_len,1,in);
  56         }
  57
  58         fread(&len,1,sizeof(len),in);
  59         fread(&count,1,sizeof(count),in);
  60         offset=ftell(in)+len;
  61         mincount = (count<mincount)?count:mincount;
  62
  63         int32_t * map;
  64         map = malloc(sizeof(int32_t)*count);
  65         for (int i=0;i<count;i++)
  66         {
  67                 fread(map+i,1,sizeof(int32_t),in);
  68         }
  69
  70         fread(&len,1,sizeof(len),in);
  71         fread(&count,1,sizeof(count),in);
  72         offset=ftell(in)+len;
  73         mincount = (count<mincount)?count:mincount;
  74
  75         int16_t * id;
  76         id = malloc(sizeof(int16_t)*count);
  77         for (int i=0;i<count;i++)
  78         {
  79                 fread(id+i,1,sizeof(int16_t),in);
  80         }
  81
  82         fread(&len,1,sizeof(len),in);
  83         fread(&count,1,sizeof(count),in);
  84         offset=ftell(in)+len;
  85         fseek(in,offset,SEEK_SET);      //skip first letter of station
  86
  87         fread(&len,1,sizeof(len),in);
  88         fread(&count,1,sizeof(count),in);
  89         offset=ftell(in)+len;
  90         fseek(in,offset,SEEK_SET); //skip second letter of station
  91
  92         fseek(in,4,SEEK_CUR); //null skip
  93
  94         fread(&len,1,sizeof(len),in);
  95         fread(&count,1,sizeof(count),in);
  96         mincount = (count<mincount)?count:mincount;
  97
  98         int16_t * unk1;
  99         unk1 = malloc(sizeof(int16_t)*count);
 100         for (int i=0;i<count;i++)
 101         {
 102                 fread(unk1+i,1,sizeof(int16_t),in);
 103         }
 104
 105         fseek(in,12,SEEK_CUR); //null skip
 106
 107         fread(&len,1,sizeof(len),in);
 108         fread(&count,1,sizeof(count),in);
 109         mincount = (count<mincount)?count:mincount;
 110         printf("Count: %d\n",count);
 111
 112         int16_t * unk2;
 113         unk2 = malloc(sizeof(int16_t)*count);
 114         for (int i=0;i<count;i++)
 115         {
 116                 fread(unk2+i,1,sizeof(int16_t),in);
 117         }
 118
 119
 120         FILE * out;
 121         out = fopen("tt-data/stations.dat","w");
 122         for (int i=0;i<mincount;i++)
 123         {
 124                 len = indexes[i+1]-indexes[i];
 125                 fprintf(out,"%d ",len);
 126                 for (int j=0; j<len;j++)
 127                         fprintf(out,"%c",buf[i][j]);
 128                 fprintf(out," %d %d %d %d\n",map[i],id[i],unk1[i],unk2[i]);
 129         }
 130         fclose(out);
 131
 132
 133
 134 }
 135
 136 int main(int argc, char * argv[])
 137 {
 138         in = fopen(argv[1], "r");
 139         int32_t next;
 140
 141         next=0x207;
 142
 143         print_stations(next);
 144         exit(0);
 145
 146 }
 147
 148