|
| 1 | +import bisect |
| 2 | +from tooldelta.mc_bytes_packet import sub_chunk_request |
| 3 | + |
| 4 | + |
| 5 | +def single_dimension_classifier( |
| 6 | + sub_chunks: list[tuple[int, int, int]], |
| 7 | +) -> list[tuple[tuple[int, int], list[tuple[int, int, int]]]]: |
| 8 | + result: list[tuple[tuple[int, int], list[tuple[int, int, int]]]] = [] |
| 9 | + usc_sort_x: dict[tuple[int, int, int], bool] = {} |
| 10 | + |
| 11 | + for sub_chunk in sorted(sub_chunks, key=lambda i: i[0]): |
| 12 | + usc_sort_x[sub_chunk] = True |
| 13 | + |
| 14 | + for sub_chunk in sorted(sub_chunks, key=lambda i: i[2]): |
| 15 | + if sub_chunk not in usc_sort_x: |
| 16 | + continue |
| 17 | + |
| 18 | + x, z = sub_chunk[0], sub_chunk[2] |
| 19 | + z_start, z_end = z, z + 255 |
| 20 | + last_hit_sub_chunks = 0 |
| 21 | + matrix: list[tuple[int, list[tuple[int, int]]]] = [] |
| 22 | + |
| 23 | + best_x_start, best_hit_sub_chunks = 0, 0 |
| 24 | + best_one: list[tuple[int, list[tuple[int, int]]]] = [] |
| 25 | + best_center: tuple[int, int] = (0, 0) |
| 26 | + |
| 27 | + last_x = 0 |
| 28 | + temp: list[tuple[int, int]] = [] |
| 29 | + |
| 30 | + for i in usc_sort_x: |
| 31 | + if i[0] != last_x: |
| 32 | + if len(temp) > 0: |
| 33 | + temp.sort(key=lambda i: i[1]) |
| 34 | + matrix.append((last_x, temp)) |
| 35 | + temp = [] |
| 36 | + last_x = i[0] |
| 37 | + temp.append((i[1], i[2])) |
| 38 | + if len(temp) > 0: |
| 39 | + temp.sort(key=lambda i: i[1]) |
| 40 | + matrix.append((last_x, temp)) |
| 41 | + temp = [] |
| 42 | + |
| 43 | + x_start, x_end, best_x_start = x - 127, x + 128, x - 127 |
| 44 | + left = bisect.bisect_left(matrix, x_start, key=lambda i: i[0]) |
| 45 | + right = bisect.bisect_right(matrix, x_end, key=lambda i: i[0]) |
| 46 | + for i in matrix[left:right]: |
| 47 | + left = bisect.bisect_left(i[1], z_start, key=lambda i: i[1]) |
| 48 | + right = bisect.bisect_right(i[1], z_end, key=lambda i: i[1]) |
| 49 | + best_hit_sub_chunks += right - left |
| 50 | + last_hit_sub_chunks = best_hit_sub_chunks |
| 51 | + |
| 52 | + for x_start in range(x - 126, x + 1): |
| 53 | + hit_sub_chunks, x_end = last_hit_sub_chunks, x_start + 255 |
| 54 | + |
| 55 | + ptr = bisect.bisect_left(matrix, x_start - 1, key=lambda i: i[0]) |
| 56 | + sub_matrix = matrix[ptr : ptr + 1][0] |
| 57 | + if sub_matrix[0] == x_start - 1: |
| 58 | + left = bisect.bisect_left(sub_matrix[1], z_start, key=lambda i: i[1]) |
| 59 | + right = bisect.bisect_right(sub_matrix[1], z_end, key=lambda i: i[1]) |
| 60 | + hit_sub_chunks -= right - left |
| 61 | + |
| 62 | + ptr = bisect.bisect_right(matrix, x_end, key=lambda i: i[0]) |
| 63 | + sub_matrix = matrix[ptr - 1 : ptr][0] |
| 64 | + if sub_matrix[0] == x_end: |
| 65 | + left = bisect.bisect_left(sub_matrix[1], z_start, key=lambda i: i[1]) |
| 66 | + right = bisect.bisect_right(sub_matrix[1], z_end, key=lambda i: i[1]) |
| 67 | + hit_sub_chunks += right - left |
| 68 | + |
| 69 | + if hit_sub_chunks > best_hit_sub_chunks: |
| 70 | + best_x_start = x_start |
| 71 | + best_hit_sub_chunks = hit_sub_chunks |
| 72 | + last_hit_sub_chunks = hit_sub_chunks |
| 73 | + |
| 74 | + x_start, x_end = best_x_start, best_x_start + 255 |
| 75 | + left = bisect.bisect_left(matrix, x_start, key=lambda i: i[0]) |
| 76 | + right = bisect.bisect_right(matrix, x_end, key=lambda i: i[0]) |
| 77 | + for i in matrix[left:right]: |
| 78 | + left = bisect.bisect_left(i[1], z_start, key=lambda i: i[1]) |
| 79 | + right = bisect.bisect_right(i[1], z_end, key=lambda i: i[1]) |
| 80 | + best_one.append((i[0], i[1][left:right])) |
| 81 | + best_center = ( |
| 82 | + (x_start + x_end) // 2 + 1, |
| 83 | + (z_start + z_end) // 2 + 1, |
| 84 | + ) |
| 85 | + |
| 86 | + current_result: list[tuple[int, int, int]] = [] |
| 87 | + |
| 88 | + for i in best_one: |
| 89 | + for j in i[1]: |
| 90 | + sub_chunk_pos = (i[0], j[0], j[1]) |
| 91 | + current_result.append(sub_chunk_pos) |
| 92 | + del usc_sort_x[sub_chunk_pos] |
| 93 | + |
| 94 | + result.append((best_center, current_result)) |
| 95 | + |
| 96 | + return result |
| 97 | + |
| 98 | + |
| 99 | +def sub_chunk_classifier( |
| 100 | + sub_chunks: list[tuple[int, tuple[int, int, int]]], |
| 101 | +) -> list[sub_chunk_request.SubChunkRequest]: |
| 102 | + result: list[sub_chunk_request.SubChunkRequest] = [] |
| 103 | + |
| 104 | + sub_chunks_mapping: dict[int, list[tuple[int, int, int]]] = {} |
| 105 | + for i in sub_chunks: |
| 106 | + if i[0] not in sub_chunks_mapping: |
| 107 | + sub_chunks_mapping[i[0]] = [] |
| 108 | + sub_chunks_mapping[i[0]].append(i[1]) |
| 109 | + |
| 110 | + for dim_id, value in sub_chunks_mapping.items(): |
| 111 | + for i in single_dimension_classifier(value): |
| 112 | + packet = sub_chunk_request.SubChunkRequest() |
| 113 | + |
| 114 | + packet.Dimension = dim_id |
| 115 | + packet.SubChunkPosX = i[0][0] |
| 116 | + packet.SubChunkPosY = 0 |
| 117 | + packet.SubChunkPosZ = i[0][1] |
| 118 | + |
| 119 | + for j in i[1]: |
| 120 | + offset = ( |
| 121 | + j[0] - packet.SubChunkPosX, |
| 122 | + j[1], |
| 123 | + j[2] - packet.SubChunkPosZ, |
| 124 | + ) |
| 125 | + for k in offset: |
| 126 | + if k > 127 or k < -128: |
| 127 | + raise Exception("sub_chunk_classifier: Should nerver happened") |
| 128 | + packet.Offsets.append(offset) |
| 129 | + |
| 130 | + result.append(packet) |
| 131 | + |
| 132 | + return result |
0 commit comments