afbe26065b
- display cell as hexagon is Display.mHexagon if set ( not default ) will need a checkbox to set this - various new models preparation...
42 lines
874 B
Java
42 lines
874 B
Java
package org.artisanlogiciel.games.maze.model;
|
|
|
|
/**
|
|
* store an array booleans in a long
|
|
*/
|
|
|
|
public class BooleanLongSet {
|
|
|
|
long[] internal;
|
|
|
|
// 62 bits for long, 2 bits reserved
|
|
int USED_BITS = 62;
|
|
int width;
|
|
|
|
public BooleanLongSet(int width, int USED_BITS)
|
|
{
|
|
internal = new long[width];
|
|
this.width = width;
|
|
this.USED_BITS = USED_BITS;
|
|
}
|
|
|
|
boolean isSet(int x) {
|
|
int group = x / USED_BITS;
|
|
if (group < width) {
|
|
int pos = x % USED_BITS;
|
|
long mask = 1 << pos;
|
|
return (internal[group] & mask) != 0;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
void set(int x, boolean value)
|
|
{
|
|
int group = x / USED_BITS;
|
|
if (group < width) {
|
|
int pos = x % USED_BITS;
|
|
long mask = 1 << pos;
|
|
internal[group] &= mask;
|
|
}
|
|
}
|
|
}
|