void graveyard_builder::run_builder(unsigned int seed, rectangle const& bounds, fn::build_result &result) const
{
rng_type rng(seed);
rng.discard(rng_type::state_size);
fn::bsp<> sectors(rng, bounds, 20, 1);
sectors.enumerate_bounds([&](rectangle sector) {
if (std::uniform_int_distribution<int>(0, 1)(rng) == 0)
{
fn::build_fence(sector, fn::build_tile::wall, result, rng);
sector.deflate(margin_size);
}
sector.enumerate([&](point2 const& location) {
result.tiles[location] = fn::build_tile::no_change;
});
point2 tomb_align = fn::random_block_direction(rng);
int mod_x = std::uniform_int_distribution<int>{ 3, 5 }(rng); // size of grave cell
int mod_y = mod_x;
int off_x = std::uniform_int_distribution<int>{ 0, mod_x - 1 }(rng);
int off_y = std::uniform_int_distribution<int>{ 0, mod_y - 1 }(rng);
sector.enumerate([&](point2 const& location) {
auto d = location - sector.start();
if (d.x() % mod_x == off_x && d.y() % mod_y == off_y)
{
result.tiles[location] = fn::build_tile::gravel;
result.tiles[location.moved(tomb_align)] = fn::build_tile::doodad_tombstone;
}
});
});
}
void QStationModelGraphicsItem::drawTextFields(QPainter* painter) {
// get the sector and coordinate assignments for this wind direction
TextSectors sectors(_dirMet, 11);
// Draw each text field
QString tdry = QString("%1").arg(_tDryC, 0, 'f', 1);
QString rh = QString("%1").arg(_DP, 0, 'f', 1);
double presOrHeight = _presOrHeight;
if (_isPres) {
if (_presOrHeight >= 1000.0) {
presOrHeight = 10*(_presOrHeight - 1000.0);
} else {
if (_presOrHeight >= 900.0) {
presOrHeight = 10*(_presOrHeight - 900.0);
}
}
}
QString pht = QString("%1").arg((int)round(presOrHeight), 3, 10, QLatin1Char('0'));
// check for erroneous surface pressures
if (_isPres && _presOrHeight != -999.0) {
if (presOrHeight > 999.0 || presOrHeight < 0.0) {
pht = "ERR";
}
}
// check for negative heights, which can happen for downward extrapolated levels.
if (!_isPres && _presOrHeight != -999.0 && _presOrHeight < 0.0) {
pht = "";
}
int t = _hh * 100 + _mm;
QString time = QString("%1").arg(t, 4, 10, QChar('0')); // filled with leading 0's
if (_tDryC != -999.0 && _parts.test(MODEL_TDRY_BIT)) {
drawTextField(painter, sectors, TextSectors::TDRY, tdry);
}
if (_DP != -999.0 && _parts.test(MODEL_DP_BIT)) {
drawTextField(painter, sectors, TextSectors::RH, rh);
}
if (_presOrHeight != -999.0 && _parts.test(MODEL_PRESHT_BIT)) {
drawTextField(painter, sectors, TextSectors::PHT, pht);
}
if (_parts.test(MODEL_TIME_BIT)) {
drawTextField(painter, sectors, TextSectors::TIME, time);
}
}
void testSectors1() {
Sectors sectors(Rectangle(7, 7));
sectors.add(Vec2(0, 0));
CHECK(!sectors.same(Vec2(0, 0), Vec2(0, 2)));
sectors.add(Vec2(0, 2));
CHECK(!sectors.same(Vec2(0, 0), Vec2(0, 2)));
sectors.add(Vec2(0, 1));
CHECK(sectors.same(Vec2(0, 0), Vec2(0, 1)));
CHECK(sectors.same(Vec2(0, 0), Vec2(0, 2)));
CHECK(sectors.same(Vec2(0, 1), Vec2(0, 2)));
sectors.remove(Vec2(0, 1));
CHECK(!sectors.same(Vec2(0, 0), Vec2(0, 1)));
CHECK(!sectors.same(Vec2(0, 0), Vec2(0, 2)));
CHECK(!sectors.same(Vec2(0, 1), Vec2(0, 2)));
CHECK(!sectors.same(Vec2(1, 1), Vec2(1, 2)));
}
bool Track::is_repeated (const Sector §or) const
{
for (const auto &s : sectors())
{
// Ignore ourselves in the list
if (&s == §or)
continue;
// Stop if we find match for data rate, encoding, and CHRN
if (s.datarate == sector.datarate &&
s.encoding == sector.encoding &&
s.header == sector.header)
return true;
}
return false;
}
static int header_check_fat(const unsigned char *buffer, const unsigned int buffer_size, const unsigned int safe_header_only, const file_recovery_t *file_recovery, file_recovery_t *file_recovery_new)
{
const struct fat_boot_sector *fat_header=(const struct fat_boot_sector *)buffer;
uint64_t start_fat1,start_data,part_size;
unsigned long int no_of_cluster,fat_length,fat_length_calc;
if(!(le16(fat_header->marker)==0xAA55
&& (fat_header->ignored[0]==0xeb || fat_header->ignored[0]==0xe9)
&& (fat_header->fats==1 || fat_header->fats==2)))
return 0; /* Obviously not a FAT */
if(!((fat_header->ignored[0]==0xeb && fat_header->ignored[2]==0x90)||fat_header->ignored[0]==0xe9))
return 0;
if(fat_sector_size(fat_header)==0 || fat_sector_size(fat_header)%512!=0)
return 0;
switch(fat_header->sectors_per_cluster)
{
case 1:
case 2:
case 4:
case 8:
case 16:
case 32:
case 64:
case 128:
break;
default:
return 0;
}
if(fat_header->fats!=1 && fat_header->fats!=2)
return 0;
if(fat_header->media!=0xF0 && fat_header->media<0xF8)
return 0;
fat_length=le16(fat_header->fat_length)>0?le16(fat_header->fat_length):le32(fat_header->fat32_length);
part_size=(sectors(fat_header)>0?sectors(fat_header):le32(fat_header->total_sect));
start_fat1=le16(fat_header->reserved);
start_data=start_fat1+fat_header->fats*fat_length+(get_dir_entries(fat_header)*32+fat_sector_size(fat_header)-1)/fat_sector_size(fat_header);
no_of_cluster=(part_size-start_data)/fat_header->sectors_per_cluster;
if(no_of_cluster<4085)
{
/* FAT12 */
if((get_dir_entries(fat_header)==0)||(get_dir_entries(fat_header)%16!=0))
return 0;
if((le16(fat_header->fat_length)>256)||(le16(fat_header->fat_length)==0))
return 0;
fat_length_calc=((no_of_cluster+2+fat_sector_size(fat_header)*2/3-1)*3/2/fat_sector_size(fat_header));
}
else if(no_of_cluster<65525)
{
/* FAT16 */
if(le16(fat_header->fat_length)==0)
return 0;
if((get_dir_entries(fat_header)==0)||(get_dir_entries(fat_header)%16!=0))
return 0;
fat_length_calc=((no_of_cluster+2+fat_sector_size(fat_header)/2-1)*2/fat_sector_size(fat_header));
}
else
{
/* FAT32 */
if(sectors(fat_header)!=0)
return 0;
if(get_dir_entries(fat_header)!=0)
return 0;
if((le32(fat_header->root_cluster)<2) ||(le32(fat_header->root_cluster)>=2+no_of_cluster))
return 0;
fat_length_calc=((no_of_cluster+2+fat_sector_size(fat_header)/4-1)*4/fat_sector_size(fat_header));
}
if(fat_length<fat_length_calc)
return 0;
reset_file_recovery(file_recovery_new);
file_recovery_new->extension=file_hint_fat.extension;
file_recovery_new->calculated_file_size=(uint64_t)
(sectors(fat_header)>0?sectors(fat_header):le32(fat_header->total_sect)) *
fat_sector_size(fat_header);
file_recovery_new->data_check=&data_check_size;
file_recovery_new->file_check=&file_check_size;
return 1;
}
