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package moe.nea.firmament.gui.entity
import com.google.gson.JsonNull
import com.google.gson.JsonObject
import kotlin.experimental.and
import kotlin.experimental.inv
import kotlin.experimental.or
import net.minecraft.entity.EntityType
import net.minecraft.entity.LivingEntity
import net.minecraft.entity.SpawnReason
import net.minecraft.entity.passive.AbstractHorseEntity
import net.minecraft.item.ItemStack
import net.minecraft.item.Items
import moe.nea.firmament.gui.entity.EntityRenderer.fakeWorld
object ModifyHorse : EntityModifier {
override fun apply(entity: LivingEntity, info: JsonObject): LivingEntity {
require(entity is AbstractHorseEntity)
var entity: AbstractHorseEntity = entity
info["kind"]?.let {
entity = when (it.asString) {
"skeleton" -> EntityType.SKELETON_HORSE.create(fakeWorld, SpawnReason.LOAD)!!
"zombie" -> EntityType.ZOMBIE_HORSE.create(fakeWorld, SpawnReason.LOAD)!!
"mule" -> EntityType.MULE.create(fakeWorld, SpawnReason.LOAD)!!
"donkey" -> EntityType.DONKEY.create(fakeWorld, SpawnReason.LOAD)!!
"horse" -> EntityType.HORSE.create(fakeWorld, SpawnReason.LOAD)!!
else -> error("Unknown horse kind $it")
}
}
info["armor"]?.let {
if (it is JsonNull) {
entity.setHorseArmor(ItemStack.EMPTY)
} else {
when (it.asString) {
"iron" -> entity.setHorseArmor(ItemStack(Items.IRON_HORSE_ARMOR))
"golden" -> entity.setHorseArmor(ItemStack(Items.GOLDEN_HORSE_ARMOR))
"diamond" -> entity.setHorseArmor(ItemStack(Items.DIAMOND_HORSE_ARMOR))
else -> error("Unknown horse armor $it")
}
}
}
info["saddled"]?.let {
entity.setIsSaddled(it.asBoolean)
}
return entity
}
}
fun AbstractHorseEntity.setIsSaddled(shouldBeSaddled: Boolean) {
val oldFlag = dataTracker.get(AbstractHorseEntity.HORSE_FLAGS)
dataTracker.set(
AbstractHorseEntity.HORSE_FLAGS,
if (shouldBeSaddled) oldFlag or AbstractHorseEntity.SADDLED_FLAG.toByte()
else oldFlag and AbstractHorseEntity.SADDLED_FLAG.toByte().inv()
)
}
fun AbstractHorseEntity.setHorseArmor(itemStack: ItemStack) {
items.setStack(1, itemStack)
}
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