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package moe.nea.firmament.features.texturepack
import com.google.gson.JsonObject
import com.mojang.datafixers.util.Pair
import com.mojang.serialization.Codec
import com.mojang.serialization.DataResult
import com.mojang.serialization.Decoder
import com.mojang.serialization.DynamicOps
import com.mojang.serialization.Encoder
import net.minecraft.client.render.item.model.ItemModelTypes
import net.minecraft.item.ItemStack
import net.minecraft.util.Identifier
import moe.nea.firmament.Firmament
import moe.nea.firmament.annotations.Subscribe
import moe.nea.firmament.events.FinalizeResourceManagerEvent
import moe.nea.firmament.features.texturepack.predicates.AndPredicate
import moe.nea.firmament.features.texturepack.predicates.CastPredicate
import moe.nea.firmament.features.texturepack.predicates.DisplayNamePredicate
import moe.nea.firmament.features.texturepack.predicates.ExtraAttributesPredicate
import moe.nea.firmament.features.texturepack.predicates.ItemPredicate
import moe.nea.firmament.features.texturepack.predicates.LorePredicate
import moe.nea.firmament.features.texturepack.predicates.NotPredicate
import moe.nea.firmament.features.texturepack.predicates.OrPredicate
import moe.nea.firmament.features.texturepack.predicates.PetPredicate
import moe.nea.firmament.util.json.KJsonOps
object CustomModelOverrideParser {
val LEGACY_CODEC: Codec<FirmamentModelPredicate> =
Codec.of(
Encoder.error("cannot encode legacy firmament model predicates"),
object : Decoder<FirmamentModelPredicate> {
override fun <T : Any?> decode(
ops: DynamicOps<T>,
input: T
): DataResult<Pair<FirmamentModelPredicate, T>> {
try {
val pred = Firmament.json.decodeFromJsonElement(
FirmamentRootPredicateSerializer,
ops.convertTo(KJsonOps.INSTANCE, input))
return DataResult.success(Pair.of(pred, ops.empty()))
} catch (ex: Exception) {
return DataResult.error { "Could not deserialize ${ex.message}" }
}
}
}
)
val predicateParsers = mutableMapOf<Identifier, FirmamentModelPredicateParser>()
fun registerPredicateParser(name: String, parser: FirmamentModelPredicateParser) {
predicateParsers[Identifier.of("firmament", name)] = parser
}
init {
registerPredicateParser("display_name", DisplayNamePredicate.Parser)
registerPredicateParser("lore", LorePredicate.Parser)
registerPredicateParser("all", AndPredicate.Parser)
registerPredicateParser("any", OrPredicate.Parser)
registerPredicateParser("not", NotPredicate.Parser)
registerPredicateParser("item", ItemPredicate.Parser)
registerPredicateParser("extra_attributes", ExtraAttributesPredicate.Parser)
registerPredicateParser("pet", PetPredicate.Parser)
}
private val neverPredicate = listOf(
object : FirmamentModelPredicate {
override fun test(stack: ItemStack): Boolean {
return false
}
}
)
fun parsePredicates(predicates: JsonObject?): List<FirmamentModelPredicate> {
if (predicates == null) return neverPredicate
val parsedPredicates = mutableListOf<FirmamentModelPredicate>()
for (predicateName in predicates.keySet()) {
if (predicateName == "cast") { // 1.21.4
parsedPredicates.add(CastPredicate.Parser.parse(predicates[predicateName]) ?: return neverPredicate)
}
if (!predicateName.startsWith("firmament:")) continue
val identifier = Identifier.of(predicateName)
val parser = predicateParsers[identifier] ?: return neverPredicate
val parsedPredicate = parser.parse(predicates[predicateName]) ?: return neverPredicate
parsedPredicates.add(parsedPredicate)
}
return parsedPredicates
}
@JvmStatic
fun parseCustomModelOverrides(jsonObject: JsonObject): Array<FirmamentModelPredicate>? {
val predicates = (jsonObject["predicate"] as? JsonObject) ?: return null
val parsedPredicates = parsePredicates(predicates)
if (parsedPredicates.isEmpty())
return null
return parsedPredicates.toTypedArray()
}
@Subscribe
fun finalizeResources(event: FinalizeResourceManagerEvent) {
ItemModelTypes.ID_MAPPER.put(
Firmament.identifier("predicates/legacy"),
PredicateModel.Unbaked.CODEC
)
}
}
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