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