R3944Realms/ModernFix
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Merge 1.19.4 into 1.20

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embeddedt 2023-06-12 21:58:58 -04:00
commit 761417833e
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2 changed files with 26 additions and 62 deletions
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15
common/src/main/java/org/embeddedt/modernfix/common/mixin/perf/dynamic_dfu/SharedConstantsMixin.java Normal file
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@ -0,0 +1,15 @@
package org.embeddedt.modernfix.common.mixin.perf.dynamic_dfu;
import net.minecraft.SharedConstants;
import org.spongepowered.asm.mixin.Mixin;
import org.spongepowered.asm.mixin.injection.At;
import org.spongepowered.asm.mixin.injection.Inject;
import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
@Mixin(SharedConstants.class)
public class SharedConstantsMixin {
@Inject(method = "<clinit>", at = @At("RETURN"))
private static void skipSchemaCheck(CallbackInfo ci) {
SharedConstants.CHECK_DATA_FIXER_SCHEMA = false;
}
}

73
common/src/main/java/org/embeddedt/modernfix/dfu/LazyDataFixer.java
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@ -1,37 +1,26 @@
package org.embeddedt.modernfix.dfu;
import com.mojang.datafixers.DSL;
import com.mojang.datafixers.DataFixUtils;
import com.mojang.datafixers.DataFixer;
import com.mojang.datafixers.schemas.Schema;
import com.mojang.datafixers.types.Type;
import com.mojang.datafixers.types.constant.EmptyPart;
import com.mojang.datafixers.types.templates.TypeTemplate;
import com.mojang.serialization.Dynamic;
import it.unimi.dsi.fastutil.objects.Object2ObjectOpenHashMap;
import net.minecraft.SharedConstants;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import java.util.Collections;
import java.util.Map;
import java.util.function.Supplier;
public class LazyDataFixer implements DataFixer {
private static final Logger LOGGER = LogManager.getLogger("ModernFix");
private DataFixer backingDataFixer;
private final Supplier<DataFixer> dfuSupplier;
private static final Schema FAKE_SCHEMA = new EmptySchema();
public LazyDataFixer(Supplier<DataFixer> dfuSupplier) {
LOGGER.info("Bypassed Mojang DFU");
this.backingDataFixer = null;
this.dfuSupplier = dfuSupplier;
}
@Override
public <T> Dynamic<T> update(DSL.TypeReference type, Dynamic<T> input, int version, int newVersion) {
if(version >= newVersion)
return input;
private DataFixer getDataFixer() {
synchronized (this) {
if(backingDataFixer == null) {
LOGGER.info("Instantiating Mojang DFU");
@ -39,58 +28,18 @@ public class LazyDataFixer implements DataFixer {
backingDataFixer = dfuSupplier.get();
}
}
return backingDataFixer.update(type, input, version, newVersion);
return backingDataFixer;
}
@Override
public <T> Dynamic<T> update(DSL.TypeReference type, Dynamic<T> input, int version, int newVersion) {
if(version >= newVersion)
return input;
return getDataFixer().update(type, input, version, newVersion);
}
/**
* "getSchema is only there for checks that are not important" - fry, 2021
*/
@Override
public Schema getSchema(int key) {
return FAKE_SCHEMA;
}
/**
* Empty schema that also returns empty Type<?> instances to prevent crashes.
*/
static class EmptySchema extends Schema {
public EmptySchema() {
super(DataFixUtils.makeKey(SharedConstants.getCurrentVersion().getDataVersion().getVersion()), null);
}
private static final Type<?> EMPTY_TYPE = new EmptyPart();
private static final TypeTemplate FAKE_TEMPLATE = EMPTY_TYPE.template();
@Override
protected Map<String, Type<?>> buildTypes() {
Object2ObjectOpenHashMap<String, Type<?>> map = new Object2ObjectOpenHashMap<>();
map.defaultReturnValue(new EmptyPart());
return map;
}
@Override
public TypeTemplate resolveTemplate(String name) {
return FAKE_TEMPLATE;
}
@Override
public Type<?> getChoiceType(DSL.TypeReference type, String choiceName) {
return EMPTY_TYPE;
}
@Override
public void registerTypes(Schema schema, Map<String, Supplier<TypeTemplate>> entityTypes, Map<String, Supplier<TypeTemplate>> blockEntityTypes) {
}
@Override
public Map<String, Supplier<TypeTemplate>> registerEntities(Schema schema) {
return Collections.emptyMap();
}
@Override
public Map<String, Supplier<TypeTemplate>> registerBlockEntities(Schema schema) {
return Collections.emptyMap();
}
return getDataFixer().getSchema(key);
}
}