| … | |
… | |
| 345 | } smooth_key; |
345 | } smooth_key; |
| 346 | |
346 | |
| 347 | static void |
347 | static void |
| 348 | smooth_or_bits (HV *hv, smooth_key *key, IV bits) |
348 | smooth_or_bits (HV *hv, smooth_key *key, IV bits) |
| 349 | { |
349 | { |
| 350 | SV **sv = hv_fetch (hv, (char *)key, sizeof (key), 1); |
350 | SV **sv = hv_fetch (hv, (char *)key, sizeof (*key), 1); |
| 351 | |
351 | |
| 352 | if (SvIOK (*sv)) |
352 | if (SvIOK (*sv)) |
| 353 | SvIV_set (*sv, SvIVX (*sv) | bits); |
353 | SvIV_set (*sv, SvIVX (*sv) | bits); |
| 354 | else |
354 | else |
| 355 | sv_setiv (*sv, bits); |
355 | sv_setiv (*sv, bits); |
| … | |
… | |
| 1681 | smooth_level [tex.smoothlevel >> 5] |= ((uint32_t)1) << (tex.smoothlevel & 31); |
1681 | smooth_level [tex.smoothlevel >> 5] |= ((uint32_t)1) << (tex.smoothlevel & 31); |
| 1682 | |
1682 | |
| 1683 | // add bits to current tile and all neighbours. skey.x|y is |
1683 | // add bits to current tile and all neighbours. skey.x|y is |
| 1684 | // shifted +1|+1 so we always stay positive. |
1684 | // shifted +1|+1 so we always stay positive. |
| 1685 | |
1685 | |
|
|
1686 | // bits is ___n cccc CCCC bbbb |
|
|
1687 | // n do not draw borders&corners |
|
|
1688 | // c draw these corners, but... |
|
|
1689 | // C ... not these |
|
|
1690 | // b draw these borders |
|
|
1691 | |
|
|
1692 | // borders: 1 ┃· 2 ━━ 4 ·┃ 8 ·· |
|
|
1693 | // ┃· ·· ·┃ ━━ |
|
|
1694 | |
|
|
1695 | // corners: 1 ┛· 2 ·┗ 4 ·· 8 ·· |
|
|
1696 | // ·· ·· ·┏ ┓· |
|
|
1697 | |
| 1686 | // full tile |
1698 | // full tile |
| 1687 | skey.x = x + 1; skey.y = y + 1; smooth_or_bits (smooth, &skey, 0x1000); |
1699 | skey.x = x + 1; skey.y = y + 1; smooth_or_bits (smooth, &skey, 0x1000); |
| 1688 | |
1700 | |
| 1689 | // borders |
1701 | // borders |
| 1690 | skey.x = x + 2; skey.y = y + 1; smooth_or_bits (smooth, &skey, 0x0031); |
1702 | skey.x = x + 2; skey.y = y + 1; smooth_or_bits (smooth, &skey, 0x0091); |
| 1691 | skey.x = x + 1; skey.y = y + 2; smooth_or_bits (smooth, &skey, 0x0092); |
1703 | skey.x = x + 1; skey.y = y + 2; smooth_or_bits (smooth, &skey, 0x0032); |
| 1692 | skey.x = x ; skey.y = y + 1; smooth_or_bits (smooth, &skey, 0x0064); |
1704 | skey.x = x ; skey.y = y + 1; smooth_or_bits (smooth, &skey, 0x0064); |
| 1693 | skey.x = x + 1; skey.y = y ; smooth_or_bits (smooth, &skey, 0x00c8); |
1705 | skey.x = x + 1; skey.y = y ; smooth_or_bits (smooth, &skey, 0x00c8); |
| 1694 | |
1706 | |
| 1695 | // corners |
1707 | // corners |
| 1696 | skey.x = x + 2; skey.y = y + 2; smooth_or_bits (smooth, &skey, 0x0100); |
1708 | skey.x = x + 2; skey.y = y + 2; smooth_or_bits (smooth, &skey, 0x0100); |
| … | |
… | |
| 1700 | } |
1712 | } |
| 1701 | } |
1713 | } |
| 1702 | } |
1714 | } |
| 1703 | } |
1715 | } |
| 1704 | |
1716 | |
| 1705 | // go through all smoothlevels, lowest to highest, then draw |
1717 | // go through all smoothlevels, lowest to highest, then draw. |
| 1706 | // this is basically counting sort |
1718 | // this is basically counting sort |
| 1707 | { |
1719 | { |
| 1708 | int w, b; |
1720 | int w, b; |
| 1709 | |
1721 | |
| 1710 | for (w = 0; w < 256 / 32; ++w) |
1722 | for (w = 0; w < 256 / 32; ++w) |
| … | |
… | |
| 1720 | hv_iterinit (smooth); |
1732 | hv_iterinit (smooth); |
| 1721 | while ((he = hv_iternext (smooth))) |
1733 | while ((he = hv_iternext (smooth))) |
| 1722 | { |
1734 | { |
| 1723 | smooth_key *skey = (smooth_key *)HeKEY (he); |
1735 | smooth_key *skey = (smooth_key *)HeKEY (he); |
| 1724 | IV bits = SvIVX (HeVAL (he)); |
1736 | IV bits = SvIVX (HeVAL (he)); |
| 1725 | |
|
|
| 1726 | // bits is ___n cccc CCCC bbbb |
|
|
| 1727 | // n do not draw borders&corners |
|
|
| 1728 | // c draw these corners, but... |
|
|
| 1729 | // C ... not these |
|
|
| 1730 | // b draw these borders |
|
|
| 1731 | |
1737 | |
| 1732 | if (!(bits & 0x1000) |
1738 | if (!(bits & 0x1000) |
| 1733 | && skey->level == level |
1739 | && skey->level == level |
| 1734 | && level >= smooth_max [skey->x][skey->y]) |
1740 | && level >= smooth_max [skey->x][skey->y]) |
| 1735 | { |
1741 | { |
