osb/source/game/terrain/StarMinMaxSelector.cpp

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2023-06-20 04:33:09 +00:00
#include "StarMinMaxSelector.hpp"
#include "StarMathCommon.hpp"
namespace Star {
char const* const MinMaxSelector::Name = "minmax";
MinMaxSelector::MinMaxSelector(
Json const& config, TerrainSelectorParameters const& parameters, TerrainDatabase const* database)
: TerrainSelector(Name, config, parameters) {
for (auto const& sourceConfig : config.getArray("sources")) {
String sourceType = sourceConfig.getString("type");
uint64_t seedBias = sourceConfig.getUInt("seedBias", 0);
TerrainSelectorParameters sourceParameters = parameters;
sourceParameters.seed += seedBias;
m_sources.append(database->createSelectorType(sourceType, sourceConfig, sourceParameters));
}
}
float MinMaxSelector::get(int x, int y) const {
float value = 0.0f;
for (auto const& source : m_sources) {
float srcVal = source->get(x, y);
if (value > 0 || srcVal > 0)
value = max(value, srcVal);
else
value = min(value, srcVal);
}
return value;
}
}