| 336 | } |
| 337 | |
| 338 | static void check_wagon_tile(FloodCtx & ctx, const df::coord & pos) { |
| 339 | if (ctx.seen.contains(pos)) |
| 340 | return; |
| 341 | |
| 342 | ctx.seen.emplace(pos); |
| 343 | |
| 344 | if (ctx.entry_tiles.contains(pos)) { |
| 345 | ctx.wagon_path.emplace(pos); // Is this needed? |
| 346 | ctx.search_edge.emplace(pos); |
| 347 | return; |
| 348 | } |
| 349 | |
| 350 | if (is_wagon_traversible(ctx, pos, pos) && |
| 351 | is_wagon_traversible(ctx, pos+df::coord(-1, -1, 0), pos) && |
| 352 | is_wagon_traversible(ctx, pos+df::coord( 0, -1, 0), pos) && |
| 353 | is_wagon_traversible(ctx, pos+df::coord( 1, -1, 0), pos) && |
| 354 | is_wagon_traversible(ctx, pos+df::coord(-1, 0, 0), pos) && |
| 355 | is_wagon_traversible(ctx, pos+df::coord( 1, 0, 0), pos) && |
| 356 | is_wagon_traversible(ctx, pos+df::coord(-1, 1, 0), pos) && |
| 357 | is_wagon_traversible(ctx, pos+df::coord( 0, 1, 0), pos) && |
| 358 | is_wagon_traversible(ctx, pos+df::coord( 1, 1, 0), pos)) |
| 359 | { |
| 360 | ctx.wagon_path.emplace(pos); |
| 361 | ctx.search_edge.emplace(pos); |
| 362 | } |
| 363 | } |
| 364 | |
| 365 | // returns true if a continuous 3-wide path can be found to an entry tile |
| 366 | // assumes: |
no test coverage detected