osb/source/utility/generation_benchmark.cpp

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2023-06-20 04:33:09 +00:00
#include "StarRootLoader.hpp"
#include "StarCelestialDatabase.hpp"
#include "StarWorldTemplate.hpp"
#include "StarWorldServer.hpp"
using namespace Star;
int main(int argc, char** argv) {
try {
RootLoader rootLoader({{}, {}, {}, LogLevel::Error, false, {}});
rootLoader.addParameter("coordinate", "coordinate", OptionParser::Optional, "world coordinate to test");
rootLoader.addParameter("regions", "regions", OptionParser::Optional, "number of regions to generate, default 1000");
rootLoader.addParameter("regionsize", "size", OptionParser::Optional, "width / height of each generation region, default 10");
rootLoader.addParameter("reportevery", "report regions", OptionParser::Optional, "number of generation regions before each progress report, default 20");
RootUPtr root;
OptionParser::Options options;
tie(root, options) = rootLoader.commandInitOrDie(argc, argv);
coutf("Fully loading root...");
root->fullyLoad();
coutf(" done\n");
CelestialMasterDatabase celestialDatabase;
CelestialCoordinate coordinate;
if (auto coordinateOption = options.parameters.maybe("coordinate")) {
coordinate = CelestialCoordinate(coordinateOption->first());
} else {
coordinate = celestialDatabase.findRandomWorld(100, 50, [&](CelestialCoordinate const& coord) {
return celestialDatabase.parameters(coord)->isVisitable();
}).take();
}
unsigned regionsToGenerate = 1000;
if (auto regionsOption = options.parameters.maybe("regions"))
regionsToGenerate = lexicalCast<unsigned>(regionsOption->first());
unsigned regionSize = 10;
if (auto regionSizeOption = options.parameters.maybe("regionsize"))
regionSize = lexicalCast<unsigned>(regionSizeOption->first());
unsigned reportEvery = 20;
if (auto reportEveryOption = options.parameters.maybe("reportevery"))
reportEvery = lexicalCast<unsigned>(reportEveryOption->first());
coutf("testing generation on coordinate %s\n", coordinate);
auto worldParameters = celestialDatabase.parameters(coordinate).take();
auto worldTemplate = make_shared<WorldTemplate>(worldParameters.visitableParameters(), SkyParameters(), worldParameters.seed());
auto rand = RandomSource(worldTemplate->worldSeed());
WorldServer worldServer(move(worldTemplate), File::ephemeralFile());
Vec2U worldSize = worldServer.geometry().size();
double start = Time::monotonicTime();
double lastReport = Time::monotonicTime();
coutf("Starting world generation for %s regions\n", regionsToGenerate);
for (unsigned i = 0; i < regionsToGenerate; ++i) {
if (i != 0 && i % reportEvery == 0) {
float gps = reportEvery / (Time::monotonicTime() - lastReport);
lastReport = Time::monotonicTime();
coutf("[%s] %ss | Generatons Per Second: %s\n", i, Time::monotonicTime() - start, gps);
}
RectI region = RectI::withCenter(Vec2I(rand.randInt(0, worldSize[0]), rand.randInt(0, worldSize[1])), Vec2I::filled(regionSize));
worldServer.generateRegion(region);
}
coutf("Finished generating %s regions with size %sx%s in world '%s' in %s seconds", regionsToGenerate, regionSize, regionSize, coordinate, Time::monotonicTime() - start);
return 0;
} catch (std::exception const& e) {
cerrf("Exception caught: %s\n", outputException(e, true));
return 1;
}
}