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ModifierLootModifier.java
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ModifierLootModifier.java
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package slimeknights.tconstruct.tools.modifiers;
import com.mojang.serialization.Codec;
import com.mojang.serialization.codecs.RecordCodecBuilder;
import it.unimi.dsi.fastutil.objects.ObjectArrayList;
import net.minecraft.world.entity.Entity;
import net.minecraft.world.entity.LivingEntity;
import net.minecraft.world.item.ItemStack;
import net.minecraft.world.level.storage.loot.LootContext;
import net.minecraft.world.level.storage.loot.parameters.LootContextParams;
import net.minecraft.world.level.storage.loot.predicates.LootItemCondition;
import net.minecraftforge.common.loot.IGlobalLootModifier;
import net.minecraftforge.common.loot.LootModifier;
import slimeknights.mantle.loot.AbstractLootModifierBuilder.GenericLootModifierBuilder;
import slimeknights.tconstruct.library.modifiers.ModifierEntry;
import slimeknights.tconstruct.library.tools.helper.ModifierLootingHandler;
import slimeknights.tconstruct.library.tools.nbt.ToolStack;
import javax.annotation.Nonnull;
/** Global loot modifier for modifiers */
public class ModifierLootModifier extends LootModifier {
public static final Codec<ModifierLootModifier> CODEC = RecordCodecBuilder.create(inst -> codecStart(inst).apply(inst, ModifierLootModifier::new));
protected ModifierLootModifier(LootItemCondition[] conditionsIn) {
super(conditionsIn);
}
/** Creates a builder for datagen */
public static GenericLootModifierBuilder<ModifierLootModifier> builder() {
return new GenericLootModifierBuilder<>(ModifierLootModifier::new);
}
@Nonnull
@Override
protected ObjectArrayList<ItemStack> doApply(ObjectArrayList<ItemStack> generatedLoot, LootContext context) {
// tool is for harvest
ItemStack stack = context.getParamOrNull(LootContextParams.TOOL);
// if null, try entity held item
if (stack == null) {
Entity entity = context.getParamOrNull(LootContextParams.KILLER_ENTITY);
if (entity instanceof LivingEntity living) {
stack = living.getItemBySlot(ModifierLootingHandler.getLootingSlot(living));
}
}
// hopefully one of the two worked
if (stack != null) {
ToolStack tool = ToolStack.from(stack);
if (!tool.isBroken()) {
for (ModifierEntry entry : tool.getModifierList()) {
entry.getModifier().processLoot(tool, entry, generatedLoot, context);
}
}
}
return generatedLoot;
}
@Override
public Codec<? extends IGlobalLootModifier> codec() {
return CODEC;
}
}