hytale-server/com/hypixel/hytale/builtin/hytalegenerator/materialproviders/FieldFunctionMaterialProvid...

60 lines
2.0 KiB
Java

package com.hypixel.hytale.builtin.hytalegenerator.materialproviders;
import com.hypixel.hytale.builtin.hytalegenerator.density.Density;
import java.util.List;
import javax.annotation.Nonnull;
import javax.annotation.Nullable;
public class FieldFunctionMaterialProvider<V> extends MaterialProvider<V> {
@Nonnull
private final Density density;
@Nonnull
private final FieldFunctionMaterialProvider.FieldDelimiter<V>[] fieldDelimiters;
public FieldFunctionMaterialProvider(@Nonnull Density density, @Nonnull List<FieldFunctionMaterialProvider.FieldDelimiter<V>> delimiters) {
this.density = density;
this.fieldDelimiters = new FieldFunctionMaterialProvider.FieldDelimiter[delimiters.size()];
for (FieldFunctionMaterialProvider.FieldDelimiter<V> field : delimiters) {
if (field == null) {
throw new IllegalArgumentException("delimiters contain null value");
}
}
for (int i = 0; i < delimiters.size(); i++) {
this.fieldDelimiters[i] = delimiters.get(i);
}
}
@Nullable
@Override
public V getVoxelTypeAt(@Nonnull MaterialProvider.Context context) {
Density.Context childContext = new Density.Context(context);
double densityValue = this.density.process(childContext);
for (FieldFunctionMaterialProvider.FieldDelimiter<V> delimiter : this.fieldDelimiters) {
if (delimiter.isInside(densityValue)) {
return delimiter.materialProvider.getVoxelTypeAt(context);
}
}
return null;
}
public static class FieldDelimiter<V> {
double top;
double bottom;
MaterialProvider<V> materialProvider;
public FieldDelimiter(@Nonnull MaterialProvider<V> materialProvider, double bottom, double top) {
this.bottom = bottom;
this.top = top;
this.materialProvider = materialProvider;
}
boolean isInside(double fieldValue) {
return fieldValue < this.top && fieldValue >= this.bottom;
}
}
}