src/main/java/moe/nea/firmament/mixins/CaseInsensitiveCommandMapPatch.java


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package moe.nea.firmament.mixins;

import com.llamalad7.mixinextras.injector.wrapoperation.Operation;
import com.llamalad7.mixinextras.injector.wrapoperation.WrapOperation;
import com.mojang.brigadier.tree.CommandNode;
import org.spongepowered.asm.mixin.Mixin;
import org.spongepowered.asm.mixin.injection.At;

import java.util.Locale;
import java.util.Map;

@Mixin(value = CommandNode.class, remap = false)
public class CaseInsensitiveCommandMapPatch<S> {
    @WrapOperation(method = "getRelevantNodes", at = @At(value = "INVOKE", target = "Ljava/util/Map;get(Ljava/lang/Object;)Ljava/lang/Object;"), remap = false)
    public Object modify(Map map, Object text, Operation<Object> op) {
        var original = op.call(map, text);
        if (original == null) {
            return map.get(((String) text).toLowerCase(Locale.ROOT));
        }
        return original;
    }

}