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Net: highlight more errors in locked tiles.

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If a locked tile has an edge pointing at a barrier, or at another
locked tile without a matching edge, colour that edge red.
This commit is contained in:
Jacob Nevins
2018-09-23 16:36:30 +01:00
parent cafa36b0e3
commit d8d506455e
1 changed files with 19 additions and 1 deletions
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20
net.c
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@ -2915,7 +2915,25 @@ static void game_redraw(drawing *dr, game_drawstate *ds,
} }
if (t & d) { if (t & d) {
int edgeval = (t & ERR(d) ? 3 : t & ACTIVE ? 2 : 1); int edgeval;
/* Highlight as an error any edge in a locked tile that
* is adjacent to a lack-of-edge in another locked tile,
* or to a barrier */
if (t & LOCKED) {
if (barrier(state, gx, gy) & d) {
t |= ERR(d);
} else {
int ox, oy, t2;
OFFSET(ox, oy, gx, gy, d, state);
t2 = tile(state, ox, oy);
if ((t2 & LOCKED) && !(t2 & F(d))) {
t |= ERR(d);
}
}
}
edgeval = (t & ERR(d) ? 3 : t & ACTIVE ? 2 : 1);
todraw(ds, dx, dy) |= edgeval << (TILE_WIRE_SHIFT + dsh*2); todraw(ds, dx, dy) |= edgeval << (TILE_WIRE_SHIFT + dsh*2);
if (!(gx == tx && gy == ty)) { if (!(gx == tx && gy == ty)) {
todraw(ds, dx + X(d), dy + Y(d)) |= todraw(ds, dx + X(d), dy + Y(d)) |=