Forge recipes and coin items

src/main/kotlin/moe/nea/firmament/util/SkyblockId.kt

@@ -56,6 +56,7 @@ value class SkyblockId(val neuItem: String) {
     }
 
     companion object {
+        val COINS: SkyblockId = SkyblockId("SKYBLOCK_COIN")
         private val bazaarEnchantmentRegex = "ENCHANTMENT_(\\D*)_(\\d+)".toRegex()
         val NULL: SkyblockId = SkyblockId("null")
     }

src/main/kotlin/moe/nea/firmament/util/item/SkullItemData.kt

@@ -0,0 +1,39 @@
+@file:UseSerializers(DashlessUUIDSerializer::class, InstantAsLongSerializer::class)
+
+package moe.nea.firmament.util.item
+
+import com.mojang.authlib.GameProfile
+import com.mojang.authlib.minecraft.MinecraftProfileTexture
+import com.mojang.authlib.properties.Property
+import java.util.UUID
+import kotlinx.datetime.Clock
+import kotlinx.datetime.Instant
+import kotlinx.serialization.Serializable
+import kotlinx.serialization.UseSerializers
+import kotlinx.serialization.encodeToString
+import net.minecraft.client.texture.PlayerSkinProvider
+import moe.nea.firmament.Firmament
+import moe.nea.firmament.util.json.DashlessUUIDSerializer
+import moe.nea.firmament.util.json.InstantAsLongSerializer
+
+@Serializable
+data class MinecraftProfileTextureKt(
+    val url: String,
+    val metadata: Map<String, String> = mapOf(),
+)
+
+@Serializable
+data class MinecraftTexturesPayloadKt(
+    val textures: Map<MinecraftProfileTexture.Type, MinecraftProfileTextureKt>,
+    val profileId: UUID,
+    val profileName: String,
+    val isPublic: Boolean = true,
+    val timestamp: Instant = Clock.System.now(),
+)
+
+fun GameProfile.setTextures(textures: MinecraftTexturesPayloadKt) {
+    val json = Firmament.json.encodeToString(textures)
+    val encoded = java.util.Base64.getEncoder().encodeToString(json.encodeToByteArray())
+    properties.put(PlayerSkinProvider.TEXTURES, Property(PlayerSkinProvider.TEXTURES, encoded))
+}
+

src/main/kotlin/moe/nea/firmament/util/json/DashlessUUIDSerializer.kt

@@ -0,0 +1,24 @@
+package moe.nea.firmament.util.json
+
+import java.util.UUID
+import kotlinx.serialization.KSerializer
+import kotlinx.serialization.Serializer
+import kotlinx.serialization.descriptors.PrimitiveKind
+import kotlinx.serialization.descriptors.PrimitiveSerialDescriptor
+import kotlinx.serialization.descriptors.SerialDescriptor
+import kotlinx.serialization.encoding.Decoder
+import kotlinx.serialization.encoding.Encoder
+import moe.nea.firmament.util.parseDashlessUUID
+
+object DashlessUUIDSerializer : KSerializer<UUID> {
+    override val descriptor: SerialDescriptor =
+        PrimitiveSerialDescriptor("DashlessUUIDSerializer", PrimitiveKind.STRING)
+
+    override fun deserialize(decoder: Decoder): UUID {
+        return parseDashlessUUID(decoder.decodeString())
+    }
+
+    override fun serialize(encoder: Encoder, value: UUID) {
+        encoder.encodeString(value.toString().replace("-", ""))
+    }
+}

src/main/kotlin/moe/nea/firmament/util/json/InstantAsLongSerializer.kt

@@ -0,0 +1,20 @@
+package moe.nea.firmament.util.json
+
+import kotlinx.datetime.Instant
+import kotlinx.serialization.KSerializer
+import kotlinx.serialization.descriptors.PrimitiveKind
+import kotlinx.serialization.descriptors.PrimitiveSerialDescriptor
+import kotlinx.serialization.descriptors.SerialDescriptor
+import kotlinx.serialization.encoding.Decoder
+import kotlinx.serialization.encoding.Encoder
+
+object InstantAsLongSerializer : KSerializer<Instant> {
+    override val descriptor: SerialDescriptor = PrimitiveSerialDescriptor("InstantAsLongSerializer", PrimitiveKind.LONG)
+    override fun deserialize(decoder: Decoder): Instant {
+        return Instant.fromEpochMilliseconds(decoder.decodeLong())
+    }
+
+    override fun serialize(encoder: Encoder, value: Instant) {
+        encoder.encodeLong(value.toEpochMilliseconds())
+    }
+}

src/main/kotlin/moe/nea/firmament/util/uuid.kt

@@ -0,0 +1,10 @@
+package moe.nea.firmament.util
+
+import java.math.BigInteger
+import java.util.UUID
+
+fun parseDashlessUUID(dashlessUuid: String): UUID {
+    val most = BigInteger(dashlessUuid.substring(0, 16), 16)
+    val least = BigInteger(dashlessUuid.substring(16, 32), 16)
+    return UUID(most.toLong(), least.toLong())
+}