minecraft-src/net/minecraft/util/datafix/fixes/LevelFlatGeneratorInfoFix.java
2025-07-04 01:41:11 +03:00

97 lines
3.6 KiB
Java

package net.minecraft.util.datafix.fixes;
import com.google.common.annotations.VisibleForTesting;
import com.google.common.base.Splitter;
import com.mojang.datafixers.DSL;
import com.mojang.datafixers.DataFix;
import com.mojang.datafixers.DataFixUtils;
import com.mojang.datafixers.TypeRewriteRule;
import com.mojang.datafixers.schemas.Schema;
import com.mojang.serialization.Dynamic;
import java.util.Iterator;
import java.util.List;
import java.util.stream.Collectors;
import java.util.stream.StreamSupport;
import org.apache.commons.lang3.math.NumberUtils;
public class LevelFlatGeneratorInfoFix extends DataFix {
private static final String GENERATOR_OPTIONS = "generatorOptions";
@VisibleForTesting
static final String DEFAULT = "minecraft:bedrock,2*minecraft:dirt,minecraft:grass_block;1;village";
private static final Splitter SPLITTER = Splitter.on(';').limit(5);
private static final Splitter LAYER_SPLITTER = Splitter.on(',');
private static final Splitter OLD_AMOUNT_SPLITTER = Splitter.on('x').limit(2);
private static final Splitter AMOUNT_SPLITTER = Splitter.on('*').limit(2);
private static final Splitter BLOCK_SPLITTER = Splitter.on(':').limit(3);
public LevelFlatGeneratorInfoFix(Schema outputSchema, boolean changesType) {
super(outputSchema, changesType);
}
@Override
public TypeRewriteRule makeRule() {
return this.fixTypeEverywhereTyped(
"LevelFlatGeneratorInfoFix", this.getInputSchema().getType(References.LEVEL), typed -> typed.update(DSL.remainderFinder(), this::fix)
);
}
private Dynamic<?> fix(Dynamic<?> dynamic) {
return dynamic.get("generatorName").asString("").equalsIgnoreCase("flat")
? dynamic.update(
"generatorOptions", dynamicx -> DataFixUtils.orElse(dynamicx.asString().map(this::fixString).map(dynamicx::createString).result(), dynamicx)
)
: dynamic;
}
@VisibleForTesting
String fixString(String string) {
if (string.isEmpty()) {
return "minecraft:bedrock,2*minecraft:dirt,minecraft:grass_block;1;village";
} else {
Iterator<String> iterator = SPLITTER.split(string).iterator();
String string2 = (String)iterator.next();
int i;
String string3;
if (iterator.hasNext()) {
i = NumberUtils.toInt(string2, 0);
string3 = (String)iterator.next();
} else {
i = 0;
string3 = string2;
}
if (i >= 0 && i <= 3) {
StringBuilder stringBuilder = new StringBuilder();
Splitter splitter = i < 3 ? OLD_AMOUNT_SPLITTER : AMOUNT_SPLITTER;
stringBuilder.append((String)StreamSupport.stream(LAYER_SPLITTER.split(string3).spliterator(), false).map(stringx -> {
List<String> list = splitter.splitToList(stringx);
int j;
String string2x;
if (list.size() == 2) {
j = NumberUtils.toInt((String)list.get(0));
string2x = (String)list.get(1);
} else {
j = 1;
string2x = (String)list.get(0);
}
List<String> list2 = BLOCK_SPLITTER.splitToList(string2x);
int k = ((String)list2.get(0)).equals("minecraft") ? 1 : 0;
String string3x = (String)list2.get(k);
int l = i == 3 ? EntityBlockStateFix.getBlockId("minecraft:" + string3x) : NumberUtils.toInt(string3x, 0);
int m = k + 1;
int n = list2.size() > m ? NumberUtils.toInt((String)list2.get(m), 0) : 0;
return (j == 1 ? "" : j + "*") + BlockStateData.getTag(l << 4 | n).get("Name").asString("");
}).collect(Collectors.joining(",")));
while (iterator.hasNext()) {
stringBuilder.append(';').append((String)iterator.next());
}
return stringBuilder.toString();
} else {
return "minecraft:bedrock,2*minecraft:dirt,minecraft:grass_block;1;village";
}
}
}
}