KaseToatz/SuperEnchants
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fix nullpointerexception

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KäseToatz
2025-12-28 20:10:57 +01:00
parent 86dd3c2b22
commit 81ed0e65dd
2 changed files with 12 additions and 18 deletions
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28
src/main/java/com/kasetoatz/superenchants/mixin/AnvilScreenHandlerMixin.java
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@@ -1,14 +1,11 @@
package com.kasetoatz.superenchants.mixin; package com.kasetoatz.superenchants.mixin;
import net.minecraft.enchantment.Enchantment; import net.minecraft.enchantment.Enchantment;
import net.minecraft.entity.player.PlayerInventory;
import net.minecraft.screen.*; import net.minecraft.screen.*;
import org.spongepowered.asm.mixin.Mixin; import org.spongepowered.asm.mixin.Mixin;
import org.spongepowered.asm.mixin.Unique; import org.spongepowered.asm.mixin.Unique;
import org.spongepowered.asm.mixin.injection.At; import org.spongepowered.asm.mixin.injection.At;
import org.spongepowered.asm.mixin.injection.Inject;
import org.spongepowered.asm.mixin.injection.Redirect; import org.spongepowered.asm.mixin.injection.Redirect;
import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
import java.lang.reflect.Field; import java.lang.reflect.Field;
import java.util.List; import java.util.List;
@@ -22,19 +19,6 @@ public class AnvilScreenHandlerMixin
@Unique private Field properties; @Unique private Field properties;
@Unique private Field syncHandler; @Unique private Field syncHandler;
@Inject(method="<init>(ILnet/minecraft/entity/player/PlayerInventory;Lnet/minecraft/screen/ScreenHandlerContext;)V", at=@At("TAIL"))
public void init(int syncId, PlayerInventory inventory, ScreenHandlerContext context, CallbackInfo ci)
{
try
{
properties = ScreenHandler.class.getDeclaredField("properties");
properties.setAccessible(true);
syncHandler = ScreenHandler.class.getDeclaredField("syncHandler");
syncHandler.setAccessible(true);
}
catch (NoSuchFieldException ignored) {}
}
@Redirect(method="updateResult", at=@At(value="INVOKE", target="Lnet/minecraft/screen/Property;get()I")) @Redirect(method="updateResult", at=@At(value="INVOKE", target="Lnet/minecraft/screen/Property;get()I"))
public int getLevel(Property levelCost) public int getLevel(Property levelCost)
{ {
@@ -43,13 +27,23 @@ public class AnvilScreenHandlerMixin
levelCost.set(MAX_ANVIL_COST); levelCost.set(MAX_ANVIL_COST);
try try
{ {
if (properties == null)
{
properties = ScreenHandler.class.getDeclaredField("properties");
properties.setAccessible(true);
}
if (syncHandler == null)
{
syncHandler = ScreenHandler.class.getDeclaredField("syncHandler");
syncHandler.setAccessible(true);
}
@SuppressWarnings("unchecked") @SuppressWarnings("unchecked")
int index = ((List<Property>)properties.get(this)).indexOf(levelCost); int index = ((List<Property>)properties.get(this)).indexOf(levelCost);
@SuppressWarnings("DataFlowIssue") @SuppressWarnings("DataFlowIssue")
AnvilScreenHandler handler = (AnvilScreenHandler)(Object)this; AnvilScreenHandler handler = (AnvilScreenHandler)(Object)this;
((ScreenHandlerSyncHandler)syncHandler.get(this)).updateProperty(handler, index, levelCost.get()); ((ScreenHandlerSyncHandler)syncHandler.get(this)).updateProperty(handler, index, levelCost.get());
} }
catch (IllegalAccessException ignored) {} catch (NoSuchFieldException | IllegalAccessException ignored) {}
} }
return levelCost.get(); return levelCost.get();
} }