109 lines
4.7 KiB
Java
109 lines
4.7 KiB
Java
package com.hypixel.hytale.procedurallib.json;
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import com.google.gson.JsonArray;
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import com.google.gson.JsonElement;
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import com.hypixel.hytale.procedurallib.supplier.DoubleRange;
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import com.hypixel.hytale.procedurallib.supplier.IDoubleRange;
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import java.nio.file.Path;
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import java.util.Objects;
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import javax.annotation.Nonnull;
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public class DoubleRangeJsonLoader<K extends SeedResource> extends JsonLoader<K, IDoubleRange> {
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protected final double default1;
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protected final double default2;
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@Nonnull
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protected final DoubleRangeJsonLoader.DoubleToDoubleFunction function;
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public DoubleRangeJsonLoader(@Nonnull SeedString<K> seed, Path dataFolder, JsonElement json) {
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this(seed, dataFolder, json, 0.0, d -> d);
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}
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public DoubleRangeJsonLoader(@Nonnull SeedString<K> seed, Path dataFolder, JsonElement json, DoubleRangeJsonLoader.DoubleToDoubleFunction function) {
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this(seed, dataFolder, json, 0.0, function);
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}
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public DoubleRangeJsonLoader(@Nonnull SeedString<K> seed, Path dataFolder, JsonElement json, double default1) {
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this(seed, dataFolder, json, default1, default1, d -> d);
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}
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public DoubleRangeJsonLoader(
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@Nonnull SeedString<K> seed, Path dataFolder, JsonElement json, double default1, DoubleRangeJsonLoader.DoubleToDoubleFunction function
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) {
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this(seed, dataFolder, json, default1, default1, function);
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}
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public DoubleRangeJsonLoader(@Nonnull SeedString<K> seed, Path dataFolder, JsonElement json, double default1, double default2) {
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this(seed, dataFolder, json, default1, default2, d -> d);
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}
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public DoubleRangeJsonLoader(
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@Nonnull SeedString<K> seed, Path dataFolder, JsonElement json, double default1, double default2, DoubleRangeJsonLoader.DoubleToDoubleFunction function
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) {
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super(seed.append(".DoubleRange"), dataFolder, json);
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this.default1 = default1;
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this.default2 = default2;
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this.function = Objects.requireNonNull(function);
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}
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public IDoubleRange load() {
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if (this.json != null && !this.json.isJsonNull()) {
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if (this.json.isJsonArray()) {
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JsonArray array = this.json.getAsJsonArray();
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if (array.size() != 1 && array.size() != 2) {
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throw new IllegalStateException(String.format("Range array contains %s values. Only 1 or 2 entries are allowed.", array.size()));
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} else {
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return (IDoubleRange)(array.size() == 1
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? new DoubleRange.Constant(this.function.get(array.get(0).getAsDouble()))
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: new DoubleRange.Normal(this.function.get(array.get(0).getAsDouble()), this.function.get(array.get(1).getAsDouble())));
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}
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} else if (!this.json.isJsonObject()) {
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return new DoubleRange.Constant(this.function.get(this.json.getAsDouble()));
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} else if (this.has("Thresholds") && this.has("Values")) {
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return this.loadThreshold();
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} else if (!this.has("Min")) {
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throw new IllegalStateException("Minimum value of range is not defined. Keyword: Min");
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} else if (!this.has("Max")) {
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throw new IllegalStateException("Maximum value of range is not defined. Keyword: Max");
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} else {
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double min = this.get("Min").getAsDouble();
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double max = this.get("Max").getAsDouble();
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return new DoubleRange.Normal(this.function.get(min), this.function.get(max));
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}
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} else {
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return (IDoubleRange)(this.default1 == this.default2
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? new DoubleRange.Constant(this.function.get(this.default1))
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: new DoubleRange.Normal(this.function.get(this.default1), this.function.get(this.default2)));
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}
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}
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@Nonnull
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protected IDoubleRange loadThreshold() {
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JsonArray thresholdsJson = this.get("Thresholds").getAsJsonArray();
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JsonArray valuesJson = this.get("Values").getAsJsonArray();
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double[] thresholds = new double[thresholdsJson.size()];
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double[] values = new double[thresholdsJson.size()];
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for (int i = 0; i < thresholds.length; i++) {
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thresholds[i] = thresholdsJson.get(i).getAsDouble();
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values[i] = valuesJson.get(i).getAsDouble();
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}
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return new DoubleRange.Multiple(thresholds, values);
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}
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public interface Constants {
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String KEY_MIN = "Min";
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String KEY_MAX = "Max";
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String KEY_THRESHOLDS = "Thresholds";
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String KEY_VALUES = "Values";
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String ERROR_ARRAY_SIZE = "Range array contains %s values. Only 1 or 2 entries are allowed.";
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String ERROR_NO_MIN = "Minimum value of range is not defined. Keyword: Min";
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String ERROR_NO_MAX = "Maximum value of range is not defined. Keyword: Max";
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}
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@FunctionalInterface
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public interface DoubleToDoubleFunction {
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double get(double var1);
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}
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}
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