• branch=trunk inherited from [16f0b5784f]
• sym-trunk inherited from [16f0b5784f]

Added test.d version [53cab87f74c4871d]

            1  +import std.algorithm;
            2  +import std.array;
            3  +import std.conv;
            4  +import std.stdio;
            5  +import std.string;
            6  +
            7  +class Map
            8  +{
            9  + private char[][] data;
           10  +
           11  + this(File input)
           12  + {
           13  +  foreach(s; input.byLine())
           14  +   data ~= s.chomp.dup;
           15  +
           16  +  int width = 0;
           17  +  foreach(s; data)
           18  +   width = max(width, s.length);
           19  +
           20  +  // space padding and sentinels
           21  +  foreach(ref s; data) {
           22  +   int p = s.length;
           23  +   s.length = width;
           24  +   s[p..$] = ' ';
           25  +   s = '#' ~ s ~ '#';
           26  +  }
           27  +
           28  +  // vertical sentinel
           29  +  char[] sen = new char[width+2];
           30  +  sen[] = '#';
           31  +  data = sen.dup ~ data ~ sen;
           32  + }
           33  +
           34  + @property const
           35  + {
           36  +  int W() { return data[0].length; }
           37  +  int H() { return data.length; }
           38  +  string toString() {
           39  +   string result;
           40  +   foreach(i,s; data) {
           41  +    if(i) result ~= '\n';
           42  +    result ~= s.idup;
           43  +   }
           44  +   return result;
           45  +  }
           46  + }
           47  +
           48  + void command_R() { move(0, +1); }
           49  + void command_L() { move(0, -1); }
           50  + void command_U() { move(-1, 0); }
           51  + void command_D() { move(+1, 0); }
           52  + void wait() { update(); }
           53  +
           54  + void move(int dy, int dx) {
           55  +  foreach(y,s; data)
           56  +  foreach(x,c; s)
           57  +   if(c == 'R')
           58  +    return move(dy, dx, y, x);
           59  + }
           60  +
           61  + void move(int dy, int dx, int y, int x) {
           62  +  if(data[y+dy][x+dx]==' ' || data[y+dy][x+dx]=='.'
           63  +     || data[y+dy][x+dx]=='\\' || data[y+dy][x+dx]=='O') {
           64  +   data[y][x]=' ';
           65  +   data[y+dy][x+dx]='R';
           66  +  } else if(dy==0 && data[y+dy][x+dx]=='*' && data[y+2*dy][x+2*dx]==' ') {
           67  +   data[y][x]=' ';
           68  +   data[y+dy][x+dx]='R';
           69  +   data[y+2*dy][x+2*dx]='*';
           70  +  }
           71  +  update();
           72  + }
           73  +
           74  + void update() {
           75  +  char[][] next;
           76  +  foreach(y,s; data)
           77  +   next ~= s.dup;
           78  +
           79  +  bool lambda = false;
           80  +  for(int y=1; y+1<H; ++y)
           81  +  for(int x=1; x+1<W; ++x)
           82  +   lambda |= (data[y][x] == '\\');
           83  +
           84  +  for(int y=1; y+1<H; ++y)
           85  +  for(int x=1; x+1<W; ++x) {
           86  +   if(data[y][x]=='*') {
           87  +    if(data[y+1][x]==' ') {
           88  +     next[y][x]=' ';
           89  +     next[y+1][x]='*';
           90  +    }
           91  +    else if(data[y+1][x]=='*' && data[y][x+1]==' ' && data[y+1][x+1]==' ') {
           92  +     next[y][x]=' ';
           93  +     next[y+1][x+1]='*';
           94  +    }
           95  +    else if(data[y+1][x]=='*' && data[y][x-1]==' ' && data[y+1][x-1]==' ') {
           96  +     next[y][x]=' ';
           97  +     next[y+1][x-1]='*';
           98  +    }
           99  +    else if(data[y+1][x]=='\\' && data[y][x+1]==' ' && data[y+1][x+1]==' ') {
          100  +     next[y][x]=' ';
          101  +     next[y+1][x+1]='*';
          102  +    }
          103  +   }
          104  +   else if(data[y][x]=='L') {
          105  +    if(!lambda)
          106  +     next[y][x] = 'O';
          107  +   }
          108  +  }
          109  +  data = next;
          110  + }
          111  +}
          112  +
          113  +void main(string[] args)
          114  +{
          115  + Map m = new Map(File(args[1]));
          116  + for(;;) {
          117  +  writeln(m);
          118  +  write("> ");
          119  +  string s = readln();
          120  +  if(s.length == 0)
          121  +   break;
          122  +  s = s.chomp().toUpper();
          123  +  if(s=="R")m.command_R();
          124  +  if(s=="L")m.command_L();
          125  +  if(s=="U")m.command_U();
          126  +  if(s=="D")m.command_D();
          127  +  if(s=="W")m.wait();
          128  + }
          129  +
          130  +}