adrido/minetest-mapper-cpp
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Use strong enum for blocklist prefetch state

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This commit is contained in:
Unknown 2018-04-29 14:44:34 +02:00
parent cc3ef4cbca
commit face7c0b0f
3 changed files with 24 additions and 18 deletions
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22
Minetestmapper/TileGenerator.cpp
View File

@ -72,9 +72,9 @@ void TileGenerator::setSilenceSuggestion(unsigned flags)
m_silenceSuggestions |= flags;
}
void TileGenerator::setGenerateNoPrefetch(int enable)
void TileGenerator::setGenerateNoPrefetch(BlockListPrefetch enable)
{
m_generateNoPrefetch = enable;
m_generatePrefetch = enable;
}
void TileGenerator::setDBFormat(BlockPos::StrFormat format, bool query)
@ -614,15 +614,15 @@ void TileGenerator::loadBlocks()
std::cerr << "WARNING: querying database format is only sensible when using the leveldb backend - querying disabled" << std::endl;
m_reportDatabaseFormat = false;
}
if (m_reportDatabaseFormat && m_generateNoPrefetch) {
if (m_reportDatabaseFormat && m_generatePrefetch != BlockListPrefetch::Prefetch) {
std::cerr << "WARNING: querying database format: ignoring '--disable-blocklist-prefetch' and/or '--prescan-world=disabled'." << std::endl;
m_generateNoPrefetch = 0;
m_generatePrefetch = BlockListPrefetch::Prefetch;
}
if (m_generateNoPrefetch && !m_databaseFormatSet && m_backend == "leveldb") {
if (m_generatePrefetch != BlockListPrefetch::Prefetch && !m_databaseFormatSet && m_backend == "leveldb") {
throw(std::runtime_error("When using --disable-blocklist-prefetch with a leveldb backend, database format must be set (--database-format)"));
}
if (m_generateNoPrefetch) {
if (m_generateNoPrefetch == 1) {
if (m_generatePrefetch != BlockListPrefetch::Prefetch) {
if (m_generatePrefetch == BlockListPrefetch::NoPrefetch) {
long long volume = (long long)(m_reqXMax - m_reqXMin + 1) * (m_reqYMax - m_reqYMin + 1) * (m_reqZMax - m_reqZMin + 1);
if (volume > MAX_NOPREFETCH_VOLUME) {
std::ostringstream oss;
@ -914,7 +914,7 @@ void TileGenerator::loadBlocks()
<< std::setw(10) << map_blocks << "\n";
}
}
if (m_backend == "leveldb" && !m_generateNoPrefetch) {
if (m_backend == "leveldb" && m_generatePrefetch == BlockListPrefetch::Prefetch) {
if (m_databaseFormatFound[BlockPos::AXYZ] && m_databaseFormatFound[BlockPos::I64])
m_recommendedDatabaseFormat = "mixed";
else if (m_databaseFormatFound[BlockPos::AXYZ])
@ -1366,7 +1366,7 @@ void TileGenerator::renderMap()
MapBlockIterator *position;
MapBlockIterator *begin;
MapBlockIterator *end;
if (m_generateNoPrefetch) {
if (m_generatePrefetch != BlockListPrefetch::Prefetch) {
position = new MapBlockIteratorBlockPos();
begin = new MapBlockIteratorBlockPos(BlockPosIterator(
BlockPos(m_xMin, m_yMax, m_zMax, m_databaseFormat),
@ -1511,7 +1511,7 @@ void TileGenerator::renderMap()
<< ")\n";
}
}
if (!m_generateNoPrefetch && m_backend == "leveldb" && (m_reportDatabaseFormat || verboseStatistics >= 1)) {
if (m_generatePrefetch == BlockListPrefetch::Prefetch && m_backend == "leveldb" && (m_reportDatabaseFormat || verboseStatistics >= 1)) {
cout
<< "Database format setting when using --disable-blocklist-prefetch: ";
if (!m_recommendedDatabaseFormat.empty())
@ -1536,7 +1536,7 @@ void TileGenerator::renderMap()
if (progressIndicator && eraseProgress)
cout << std::setw(50) << "" << "\r";
if (m_generateNoPrefetch) {
if (m_generatePrefetch != BlockListPrefetch::Prefetch) {
double queryFactor = 1.0 * m_db->getBlocksQueriedCount() / m_db->getBlocksReadCount();
if (verboseStatistics >= 4) {
std::cout << std::fixed << std::setprecision(2);

10
Minetestmapper/TileGenerator.h
View File

@ -96,10 +96,16 @@ public:
UnpackError(const char *t, size_t o, size_t l, size_t dl) : type(t), offset(o), length(l), dataLength(dl) {}
};
enum class BlockListPrefetch {
Prefetch,
NoPrefetch,
NoPrefetchForced
};
TileGenerator();
~TileGenerator();
void setSilenceSuggestion(unsigned flags);
void setGenerateNoPrefetch(int enable);
void setGenerateNoPrefetch(BlockListPrefetch enable);
void setDBFormat(BlockPos::StrFormat format, bool query);
void setHeightMap(bool enable);
void setHeightMapYScale(float scale);
@ -230,7 +236,7 @@ private:
int m_heightScaleMinor{ 0 };
DB *m_db = nullptr;
int m_generateNoPrefetch{ 0 };
BlockListPrefetch m_generatePrefetch{ BlockListPrefetch::Prefetch };
bool m_databaseFormatSet{ false };
BlockPos::StrFormat m_databaseFormat{ BlockPos::Unknown };
std::string m_recommendedDatabaseFormat;

10
Minetestmapper/mapper.cpp
View File

@ -162,7 +162,7 @@ int Mapper::start(int argc, char *argv[]) {
case OPT_NO_BLOCKLIST_PREFETCH:
if (optarg && *optarg) {
if (strlower(optarg) == "force")
generator.setGenerateNoPrefetch(2);
generator.setGenerateNoPrefetch(TileGenerator::BlockListPrefetch::NoPrefetchForced);
else {
std::cerr << "Invalid parameter to '" << long_options[option_index].name << "'; expected 'force' or nothing." << std::endl;
usage();
@ -170,7 +170,7 @@ int Mapper::start(int argc, char *argv[]) {
}
}
else {
generator.setGenerateNoPrefetch(1);
generator.setGenerateNoPrefetch(TileGenerator::BlockListPrefetch::NoPrefetch);
}
break;
case OPT_DATABASE_FORMAT: {
@ -192,11 +192,11 @@ int Mapper::start(int argc, char *argv[]) {
break;
case OPT_PRESCAN_WORLD: {
std::string opt = strlower(optarg);
generator.setGenerateNoPrefetch(0);
generator.setGenerateNoPrefetch(TileGenerator::BlockListPrefetch::Prefetch);
if (opt == "disabled-force")
generator.setGenerateNoPrefetch(2);
generator.setGenerateNoPrefetch(TileGenerator::BlockListPrefetch::NoPrefetchForced);
else if (opt == "disabled")
generator.setGenerateNoPrefetch(1);
generator.setGenerateNoPrefetch(TileGenerator::BlockListPrefetch::NoPrefetch);
else if (opt == "auto")
generator.setScanEntireWorld(false);
else if (opt == "full")