diff options
| -rw-r--r-- | spectre-internal.h | 2 | ||||
| -rw-r--r-- | spectre.c | 6 |
2 files changed, 5 insertions, 3 deletions
diff --git a/spectre-internal.h b/spectre-internal.h index bbb2561..e43d30b 100644 --- a/spectre-internal.h +++ b/spectre-internal.h @@ -243,7 +243,7 @@ void spectrectx_step_hex(SpectreContext *ctx, SpectreCoords *sc, * delivering both plane and combinatorial coordinates as they go */ Spectre *spectre_initial(SpectreContext *ctx); Spectre *spectre_adjacent(SpectreContext *ctx, const Spectre *src_spec, - unsigned src_edge); + unsigned src_edge, unsigned *dst_edge); /* For extracting the point coordinates */ typedef struct Coord { @@ -154,7 +154,7 @@ Spectre *spectre_initial(SpectreContext *ctx) } Spectre *spectre_adjacent(SpectreContext *ctx, const Spectre *src_spec, - unsigned src_edge) + unsigned src_edge, unsigned *dst_edge_out) { unsigned dst_edge; Spectre *dst_spec = snew(Spectre); @@ -162,6 +162,8 @@ Spectre *spectre_adjacent(SpectreContext *ctx, const Spectre *src_spec, spectrectx_step(ctx, dst_spec->sc, src_edge, &dst_edge); spectre_place(dst_spec, src_spec->vertices[(src_edge+1) % 14], src_spec->vertices[src_edge], dst_edge); + if (dst_edge_out) + *dst_edge_out = dst_edge; return dst_spec; } @@ -454,7 +456,7 @@ void spectrectx_generate(SpectreContext *ctx, for (edge = 0; edge < 14; edge++) { Spectre *new_spec; - new_spec = spectre_adjacent(ctx, spec, edge); + new_spec = spectre_adjacent(ctx, spec, edge, NULL); if (find234(placed, new_spec, NULL)) { spectre_free(new_spec); |