Code/net/minecraft/util/datafix/fixes/ParticleUnflatteningFix.java

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2025-07-01 06:20:03 +00:00
package net.minecraft.util.datafix.fixes;
import com.mojang.brigadier.StringReader;
import com.mojang.brigadier.exceptions.CommandSyntaxException;
import com.mojang.datafixers.DataFix;
import com.mojang.datafixers.TypeRewriteRule;
import com.mojang.datafixers.schemas.Schema;
import com.mojang.datafixers.types.Type;
import com.mojang.logging.LogUtils;
import com.mojang.serialization.Dynamic;
import com.mojang.serialization.DynamicOps;
import java.util.HashMap;
import java.util.Map;
import java.util.Optional;
import java.util.stream.IntStream;
import java.util.stream.Stream;
import javax.annotation.Nullable;
import net.minecraft.nbt.TagParser;
import net.minecraft.util.Mth;
import net.minecraft.util.datafix.schemas.NamespacedSchema;
import org.slf4j.Logger;
public class ParticleUnflatteningFix extends DataFix {
private static final Logger LOGGER = LogUtils.getLogger();
public ParticleUnflatteningFix(Schema p_328690_) {
super(p_328690_, true);
}
@Override
protected TypeRewriteRule makeRule() {
Type<?> type = this.getInputSchema().getType(References.PARTICLE);
Type<?> type1 = this.getOutputSchema().getType(References.PARTICLE);
return this.writeFixAndRead("ParticleUnflatteningFix", type, type1, this::fix);
}
private <T> Dynamic<T> fix(Dynamic<T> p_329773_) {
Optional<String> optional = p_329773_.asString().result();
if (optional.isEmpty()) {
return p_329773_;
} else {
String s = optional.get();
String[] astring = s.split(" ", 2);
String s1 = NamespacedSchema.ensureNamespaced(astring[0]);
Dynamic<T> dynamic = p_329773_.createMap(Map.of(p_329773_.createString("type"), p_329773_.createString(s1)));
return switch (s1) {
case "minecraft:item" -> astring.length > 1 ? this.updateItem(dynamic, astring[1]) : dynamic;
case "minecraft:block", "minecraft:block_marker", "minecraft:falling_dust", "minecraft:dust_pillar" -> astring.length > 1
? this.updateBlock(dynamic, astring[1])
: dynamic;
case "minecraft:dust" -> astring.length > 1 ? this.updateDust(dynamic, astring[1]) : dynamic;
case "minecraft:dust_color_transition" -> astring.length > 1 ? this.updateDustTransition(dynamic, astring[1]) : dynamic;
case "minecraft:sculk_charge" -> astring.length > 1 ? this.updateSculkCharge(dynamic, astring[1]) : dynamic;
case "minecraft:vibration" -> astring.length > 1 ? this.updateVibration(dynamic, astring[1]) : dynamic;
case "minecraft:shriek" -> astring.length > 1 ? this.updateShriek(dynamic, astring[1]) : dynamic;
default -> dynamic;
};
}
}
private <T> Dynamic<T> updateItem(Dynamic<T> p_336140_, String p_328811_) {
int i = p_328811_.indexOf("{");
Dynamic<T> dynamic = p_336140_.createMap(Map.of(p_336140_.createString("Count"), p_336140_.createInt(1)));
if (i == -1) {
dynamic = dynamic.set("id", p_336140_.createString(p_328811_));
} else {
dynamic = dynamic.set("id", p_336140_.createString(p_328811_.substring(0, i)));
Dynamic<T> dynamic1 = parseTag(p_336140_.getOps(), p_328811_.substring(i));
if (dynamic1 != null) {
dynamic = dynamic.set("tag", dynamic1);
}
}
return p_336140_.set("item", dynamic);
}
@Nullable
private static <T> Dynamic<T> parseTag(DynamicOps<T> p_393424_, String p_328375_) {
try {
return new Dynamic<>(p_393424_, TagParser.create(p_393424_).parseFully(p_328375_));
} catch (Exception exception) {
LOGGER.warn("Failed to parse tag: {}", p_328375_, exception);
return null;
}
}
private <T> Dynamic<T> updateBlock(Dynamic<T> p_330510_, String p_334026_) {
int i = p_334026_.indexOf("[");
Dynamic<T> dynamic = p_330510_.emptyMap();
if (i == -1) {
dynamic = dynamic.set("Name", p_330510_.createString(NamespacedSchema.ensureNamespaced(p_334026_)));
} else {
dynamic = dynamic.set("Name", p_330510_.createString(NamespacedSchema.ensureNamespaced(p_334026_.substring(0, i))));
Map<Dynamic<T>, Dynamic<T>> map = parseBlockProperties(p_330510_, p_334026_.substring(i));
if (!map.isEmpty()) {
dynamic = dynamic.set("Properties", p_330510_.createMap(map));
}
}
return p_330510_.set("block_state", dynamic);
}
private static <T> Map<Dynamic<T>, Dynamic<T>> parseBlockProperties(Dynamic<T> p_328751_, String p_332614_) {
try {
Map<Dynamic<T>, Dynamic<T>> map = new HashMap<>();
StringReader stringreader = new StringReader(p_332614_);
stringreader.expect('[');
stringreader.skipWhitespace();
while (stringreader.canRead() && stringreader.peek() != ']') {
stringreader.skipWhitespace();
String s = stringreader.readString();
stringreader.skipWhitespace();
stringreader.expect('=');
stringreader.skipWhitespace();
String s1 = stringreader.readString();
stringreader.skipWhitespace();
map.put(p_328751_.createString(s), p_328751_.createString(s1));
if (stringreader.canRead()) {
if (stringreader.peek() != ',') {
break;
}
stringreader.skip();
}
}
stringreader.expect(']');
return map;
} catch (Exception exception) {
LOGGER.warn("Failed to parse block properties: {}", p_332614_, exception);
return Map.of();
}
}
private static <T> Dynamic<T> readVector(Dynamic<T> p_333163_, StringReader p_332387_) throws CommandSyntaxException {
float f = p_332387_.readFloat();
p_332387_.expect(' ');
float f1 = p_332387_.readFloat();
p_332387_.expect(' ');
float f2 = p_332387_.readFloat();
return p_333163_.createList(Stream.of(f, f1, f2).map(p_333163_::createFloat));
}
private <T> Dynamic<T> updateDust(Dynamic<T> p_335964_, String p_335720_) {
try {
StringReader stringreader = new StringReader(p_335720_);
Dynamic<T> dynamic = readVector(p_335964_, stringreader);
stringreader.expect(' ');
float f = stringreader.readFloat();
return p_335964_.set("color", dynamic).set("scale", p_335964_.createFloat(f));
} catch (Exception exception) {
LOGGER.warn("Failed to parse particle options: {}", p_335720_, exception);
return p_335964_;
}
}
private <T> Dynamic<T> updateDustTransition(Dynamic<T> p_328807_, String p_329378_) {
try {
StringReader stringreader = new StringReader(p_329378_);
Dynamic<T> dynamic = readVector(p_328807_, stringreader);
stringreader.expect(' ');
float f = stringreader.readFloat();
stringreader.expect(' ');
Dynamic<T> dynamic1 = readVector(p_328807_, stringreader);
return p_328807_.set("from_color", dynamic).set("to_color", dynamic1).set("scale", p_328807_.createFloat(f));
} catch (Exception exception) {
LOGGER.warn("Failed to parse particle options: {}", p_329378_, exception);
return p_328807_;
}
}
private <T> Dynamic<T> updateSculkCharge(Dynamic<T> p_335265_, String p_329894_) {
try {
StringReader stringreader = new StringReader(p_329894_);
float f = stringreader.readFloat();
return p_335265_.set("roll", p_335265_.createFloat(f));
} catch (Exception exception) {
LOGGER.warn("Failed to parse particle options: {}", p_329894_, exception);
return p_335265_;
}
}
private <T> Dynamic<T> updateVibration(Dynamic<T> p_333915_, String p_333536_) {
try {
StringReader stringreader = new StringReader(p_333536_);
float f = (float)stringreader.readDouble();
stringreader.expect(' ');
float f1 = (float)stringreader.readDouble();
stringreader.expect(' ');
float f2 = (float)stringreader.readDouble();
stringreader.expect(' ');
int i = stringreader.readInt();
Dynamic<T> dynamic = (Dynamic<T>)p_333915_.createIntList(IntStream.of(Mth.floor(f), Mth.floor(f1), Mth.floor(f2)));
Dynamic<T> dynamic1 = p_333915_.createMap(
Map.of(p_333915_.createString("type"), p_333915_.createString("minecraft:block"), p_333915_.createString("pos"), dynamic)
);
return p_333915_.set("destination", dynamic1).set("arrival_in_ticks", p_333915_.createInt(i));
} catch (Exception exception) {
LOGGER.warn("Failed to parse particle options: {}", p_333536_, exception);
return p_333915_;
}
}
private <T> Dynamic<T> updateShriek(Dynamic<T> p_330969_, String p_330514_) {
try {
StringReader stringreader = new StringReader(p_330514_);
int i = stringreader.readInt();
return p_330969_.set("delay", p_330969_.createInt(i));
} catch (Exception exception) {
LOGGER.warn("Failed to parse particle options: {}", p_330514_, exception);
return p_330969_;
}
}
}