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import std.bigint;
import deimos.ncurses;
import std.string : toStringz;
import std.math : floor, ceil;
import std.array : appender;
import std.range;
import std.format;
import std.stdio;
import spots : Spot, SpotSource;
public class Board
{
private SpotSource _source;
// uint seed;
// indexed as Spot = Board[y, x]
this(SpotSource source)
{
_source = source;
}
Spot opIndex(BigInt y, BigInt x)
{
return _source[y, x];
}
Spot opIndex(long y, long x)
{
// possible per improvements
return opIndex(BigInt(y), BigInt(x));
}
PartialBoard opIndex(BigInt[2] y, BigInt[2] x)
{
return new PartialBoard(y, x, _source);
}
PartialBoard opIndex(long[2] y, long[2] x)
{
return opIndex([BigInt(y[0]), BigInt(y[1])], [
BigInt(x[0]), BigInt(x[1])
]);
}
PartialBoard opIndex(BigInt[2] y, BigInt x)
{
return opIndex(y, [x, x + 1]);
}
PartialBoard opIndex(long[2] y, long x)
{
return opIndex([BigInt(y[0]), BigInt(y[1])], BigInt(x));
}
PartialBoard opIndex(BigInt y, BigInt[2] x)
{
return opIndex([y, y + 1], x);
}
PartialBoard opIndex(long y, long[2] x)
{
return opIndex(BigInt(y), [BigInt(x[0]), BigInt(x[1])]);
}
BigInt[2] opSlice(size_t dimension)(BigInt x, BigInt y)
if (dimension >= 0 && dimension < 2)
{
return [x, y];
}
long[2] opSlice(size_t dimension)(long x, long y)
if (dimension >= 0 && dimension < 2)
{
return [x, y];
}
// be more generic. instead of long use T where IsIntegral!T
}
enum Edge
{
LEFT,
RIGHT,
TOP,
BOT,
}
class BoardDisplay
{
private Board _board;
private WINDOW* _window;
private int _height, _width;
private string _status;
BigInt x = 0;
BigInt y = 0;
this(Board board, WINDOW* window)
{
_board = board;
_window = window;
getdims();
}
public void getdims()
{
getmaxyx(_window, _height, _width);
}
private void center()
{
mvprintw(_height, 0, toStringz(_status ~ " ".replicate(_width - status.length)));
move(cast(int) ceil(_height / 2.0), cast(int) ceil(_width / 2.0));
}
@property string status()
{
return _status;
}
@property status(string s)
{
_status = s;
center();
}
private BigInt edge(Edge e)
{ // templating??
switch (e)
{
case Edge.LEFT:
return BigInt(cast(int) floor(-_width / 2.0)) + x;
case Edge.RIGHT:
return BigInt(cast(int) floor(_width / 2.0)) + x;
case Edge.TOP:
return BigInt(cast(int) floor(-_height / 2.0)) + y;
case Edge.BOT:
return BigInt(cast(int) floor(_height / 2.0)) + y;
default:
assert(0);
}
}
void print()
{
import std.stdio;
import std.datetime;
mvprintw(0, 0, toStringz(_board[edge(Edge.TOP) .. edge(Edge.BOT),
edge(Edge.LEFT) .. edge(Edge.RIGHT)].toString()));
center();
}
void up()
{ // the cursor moves up, the map scrolls down, leaving an empty line at top
y--;
scrl(-1);
mvprintw(0, 0, toStringz(_board[edge(Edge.TOP),
edge(Edge.LEFT) .. edge(Edge.RIGHT)].toString()));
center();
}
void down()
{
y++;
scrl(1);
mvprintw(_height - 1, 0, toStringz(_board[edge(Edge.BOT) - 1,
// necessary because opSlice is exclusive
edge(Edge.LEFT) .. edge(Edge.RIGHT)].toString()));
center();
}
void left()
{
x--;
print();
}
void right()
{
x++;
print();
}
}
unittest
{
import std.stdio;
import std.datetime;
import lru : LRUCache;
import spots : RandomSource, OverlaySource;
SysTime starttime = Clock.currTime();
auto random = new RandomSource();
auto source = new OverlaySource(random);
foreach (j; iota(100))
{
foreach (i; iota(400))
{
source[BigInt(i), BigInt(0)];
}
}
writeln(Clock.currTime() - starttime);
foreach (j; iota(100))
{
foreach (i; iota(400))
{
random[BigInt(i), BigInt(0)];
}
}
writeln(Clock.currTime() - starttime);
}
class PartialBoard : Board
{
private BigInt[2] _yrange, _xrange;
this(BigInt[2] y, BigInt[2] x, SpotSource source)
{
_yrange = y;
_xrange = x;
super(source);
}
override Spot opIndex(BigInt y, BigInt x)
{
return _source[y + _yrange[0], x + _xrange[0]];
}
override string toString()
{
auto strBuilder = appender!string;
strBuilder.reserve(cast(ulong)((_yrange[1] - _yrange[0] + 2) * (_xrange[1] - _xrange[0] + 1)));
foreach (y; iota(_yrange[0], _yrange[1]))
{
foreach (x; iota(_xrange[0], _xrange[1]))
{
strBuilder.put(_source[y, x].contents);
}
strBuilder.put("\n");
}
return strBuilder.data;
}
}
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