Method ensureTileBlock

library/modules/Maps.cpp:372–407

}

df::map_block *Maps::ensureTileBlock (int32_t x, int32_t y, int32_t z)
{
    if (!isValidTilePos(x,y,z))
        return NULL;

    auto column = world->map.block_index[x >> 4][y >> 4];
    auto &slot = column[z];
    if (slot)
        return slot;

    // Find another block below
    int z2 = z;
    while (z2 >= 0 && !column[z2]) z2--;
    if (z2 < 0)
        return NULL;

    slot = new df::map_block();
    slot->region_pos = column[z2]->region_pos;
    slot->map_pos = column[z2]->map_pos;
    slot->map_pos.z = z;

    // Assume sky
    df::tile_designation dsgn;
    dsgn.bits.light = true;
    dsgn.bits.outside = true;

    for (int tx = 0; tx < 16; tx++)
        for (int ty = 0; ty < 16; ty++) {
            slot->designation[tx][ty] = dsgn;
            slot->temperature_1[tx][ty] = column[z2]->temperature_1[tx][ty];
            slot->temperature_2[tx][ty] = column[z2]->temperature_2[tx][ty];
        }

    df::global::world->map.map_blocks.push_back(slot);
    return slot;
}

df::tiletype *Maps::getTileType(int32_t x, int32_t y, int32_t z)
{