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Implement minor memory usage optimization for environments without FerriteCore

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This is "FerriteCore at home", used to assist with the large registry
tests
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embeddedt 2023-08-09 15:46:40 -04:00
parent fbfaa178e3
commit 5e7d6642a7
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1 changed files with 29 additions and 0 deletions
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common/src/main/java/org/embeddedt/modernfix/common/mixin/perf/mojang_registry_size/StateHolderMixin.java Normal file
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package org.embeddedt.modernfix.common.mixin.perf.mojang_registry_size;
import com.google.common.collect.ImmutableTable;
import com.google.common.collect.Table;
import net.minecraft.world.level.block.state.StateHolder;
import net.minecraft.world.level.block.state.properties.Property;
import org.embeddedt.modernfix.annotation.RequiresMod;
import org.spongepowered.asm.mixin.Mixin;
import org.spongepowered.asm.mixin.Shadow;
import org.spongepowered.asm.mixin.injection.At;
import org.spongepowered.asm.mixin.injection.Inject;
import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
/**
* Minor mixin to avoid duplicate empty neighbor tables, used when FerriteCore is not present. Won't be enabled in 99% of
* modded environments but is useful for testing in dev without dragging in Fabric API.
*/
@Mixin(StateHolder.class)
@RequiresMod("!ferritecore")
public class StateHolderMixin {
@Shadow private Table<Property<?>, Comparable<?>, ?> neighbours;
/* optimize the case where block has no properties */
@Inject(method = "populateNeighbours", at = @At("RETURN"), require = 0)
private void replaceEmptyTable(CallbackInfo ci) {
if(this.neighbours.isEmpty())
this.neighbours = ImmutableTable.of();
}
}