(svn r4282) -Cleanup: Re-arranged the ignore groups into a more readable arrangement

This commit is contained in:
celestar 2006-04-05 08:45:29 +00:00
parent 0a79bc8357
commit 1bf4b195f3

View File

@ -97,79 +97,80 @@ static byte PreferredPPPofTrackBitAtPCP[TRACK_END][DIAGDIR_END] = {
};
#undef PCP_NOT_ON_TRACK
#define NUM_IGNORE_GROUPS 3
#define NO_IGNORE 0xFF
#define IGNORE_NONE 0xFF
/** In case we have a staight line, we place pylon only every two tiles,
so there are certain tiles which we ignore. A straight line is found if
we have exactly two preferred points.*/
we have exactly two PPPs. */
static byte IgnoredPCP[NUM_IGNORE_GROUPS][TLG_END][DIAGDIR_END] = {
{ /* Ignore group 1 */
{ /* Ignore group 1, X and Y tracks */
{ /* X even, Y even */
1 << DIR_N | 1 << DIR_S,
IGNORE_NONE,
1 << DIR_NE | 1 << DIR_SW,
1 << DIR_NW | 1 << DIR_SE,
1 << DIR_W | 1 << DIR_E
IGNORE_NONE
}, { /* X even, Y odd */
0xFF,
1 << DIR_E | 1 << DIR_W,
IGNORE_NONE,
IGNORE_NONE,
1 << DIR_NW | 1 << DIR_SE,
1 << DIR_NE | 1 << DIR_SW
}, { /* X odd, Y even */
1 << DIR_NW | 1 << DIR_SE,
1 << DIR_NE | 1 << DIR_SW,
1 << DIR_N | 1 << DIR_S ,
0xFF
IGNORE_NONE,
IGNORE_NONE
}, { /* X odd, Y odd */
1 << DIR_NW | 1 << DIR_SE,
0xFF,
0xFF,
IGNORE_NONE,
IGNORE_NONE,
1 << DIR_NE | 1 << DIR_SW
}
},
{ /* Ignore group 2 */
{ /* Ignore group 2, LEFT and RIGHT tracks */
{
1 << DIR_E | 1 << DIR_W,
1 << DIR_N | 1 << DIR_S,
0xFF,
IGNORE_NONE,
IGNORE_NONE,
1 << DIR_E | 1 << DIR_W
}, {
0xFF,
0xFF,
1 << DIR_N | 1 << DIR_S,
1 << DIR_N | 1 << DIR_S
}, {
0xFF,
IGNORE_NONE,
1 << DIR_E | 1 << DIR_W,
1 << DIR_E | 1 << DIR_W,
1 << DIR_N | 1 << DIR_S
IGNORE_NONE
}, {
1 << DIR_N | 1 << DIR_S,
1 << DIR_N | 1 << DIR_S,
0xFF,
IGNORE_NONE,
1 << DIR_E | 1 << DIR_W,
1 << DIR_E | 1 << DIR_W,
IGNORE_NONE
}, {
1 << DIR_E | 1 << DIR_W,
IGNORE_NONE,
IGNORE_NONE,
1 << DIR_E | 1 << DIR_W
}
},
{ /* Ignore group 3 */
{ /* Ignore group 3, UPPER and LOWER tracks */
{
0xFF,
0xFF,
0xFF,
0xFF
1 << DIR_N | 1 << DIR_S,
1 << DIR_N | 1 << DIR_S,
IGNORE_NONE,
IGNORE_NONE
}, {
0xFF,
0xFF,
1 << DIR_E | 1 << DIR_W,
0xFF
IGNORE_NONE,
IGNORE_NONE,
1 << DIR_N | 1 << DIR_S,
1 << DIR_N | 1 << DIR_S
}, {
0xFF,
0xFF,
0xFF,
0xFF
IGNORE_NONE,
IGNORE_NONE,
1 << DIR_N | 1 << DIR_S ,
1 << DIR_N | 1 << DIR_S
}, {
1 << DIR_E | 1 << DIR_W,
0xFF,
0xFF,
0xFF
1 << DIR_N | 1 << DIR_S,
1 << DIR_N | 1 << DIR_S,
IGNORE_NONE,
IGNORE_NONE
}
}
};