Add custom textures to placed skulls

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

@@ -0,0 +1,17 @@
+/*
+ * SPDX-FileCopyrightText: 2023 Linnea Gräf <nea@nea.moe>
+ *
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ */
+
+package moe.nea.firmament.util
+
+class IdentityCharacteristics<T>(val value: T) {
+    override fun equals(other: Any?): Boolean {
+        return value === other
+    }
+
+    override fun hashCode(): Int {
+        return System.identityHashCode(value)
+    }
+}

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

@@ -7,21 +7,44 @@
 package moe.nea.firmament.util
 
 import io.github.moulberry.repo.data.Coordinate
+import java.util.concurrent.ConcurrentLinkedQueue
 import net.minecraft.client.MinecraftClient
 import net.minecraft.client.gui.screen.ingame.HandledScreen
+import net.minecraft.text.Text
 import net.minecraft.util.math.BlockPos
+import moe.nea.firmament.events.TickEvent
 
 object MC {
+
+    private val messageQueue = ConcurrentLinkedQueue<Text>()
+
+    init {
+        TickEvent.subscribe {
+            while (true) {
+                inGameHud.chatHud.addMessage(messageQueue.poll() ?: break)
+            }
+        }
+    }
+
+    fun sendChat(text: Text) {
+        if (instance.isOnThread)
+            inGameHud.chatHud.addMessage(text)
+        else
+            messageQueue.add(text)
+    }
+
     fun sendCommand(command: String) {
         player?.networkHandler?.sendCommand(command)
     }
 
+    inline val instance get() = MinecraftClient.getInstance()
     inline val keyboard get() = MinecraftClient.getInstance().keyboard
     inline val textureManager get() = MinecraftClient.getInstance().textureManager
     inline val inGameHud get() = MinecraftClient.getInstance().inGameHud
     inline val font get() = MinecraftClient.getInstance().textRenderer
     inline val soundManager get() = MinecraftClient.getInstance().soundManager
     inline val player get() = MinecraftClient.getInstance().player
+    inline val camera get() = MinecraftClient.getInstance().cameraEntity
     inline val world get() = MinecraftClient.getInstance().world
     inline var screen
         get() = MinecraftClient.getInstance().currentScreen

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

@@ -11,14 +11,16 @@ 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 java.util.*
 import kotlinx.datetime.Clock
 import kotlinx.datetime.Instant
 import kotlinx.serialization.Serializable
 import kotlinx.serialization.UseSerializers
+import kotlinx.serialization.decodeFromString
 import kotlinx.serialization.encodeToString
 import net.minecraft.client.texture.PlayerSkinProvider
 import moe.nea.firmament.Firmament
+import moe.nea.firmament.util.assertTrueOr
 import moe.nea.firmament.util.json.DashlessUUIDSerializer
 import moe.nea.firmament.util.json.InstantAsLongSerializer
 
@@ -30,9 +32,9 @@ data class MinecraftProfileTextureKt(
 
 @Serializable
 data class MinecraftTexturesPayloadKt(
-    val textures: Map<MinecraftProfileTexture.Type, MinecraftProfileTextureKt>,
-    val profileId: UUID,
-    val profileName: String,
+    val textures: Map<MinecraftProfileTexture.Type, MinecraftProfileTextureKt> = mapOf(),
+    val profileId: UUID? = null,
+    val profileName: String? = null,
     val isPublic: Boolean = true,
     val timestamp: Instant = Clock.System.now(),
 )
@@ -43,3 +45,16 @@ fun GameProfile.setTextures(textures: MinecraftTexturesPayloadKt) {
     properties.put(PlayerSkinProvider.TEXTURES, Property(PlayerSkinProvider.TEXTURES, encoded))
 }
 
+fun decodeProfileTextureProperty(property: Property): MinecraftTexturesPayloadKt? {
+    assertTrueOr(property.name == PlayerSkinProvider.TEXTURES) { return null }
+    try {
+        val json = java.util.Base64.getDecoder().decode(property.value).decodeToString()
+        return Firmament.json.decodeFromString<MinecraftTexturesPayloadKt>(json)
+    } catch (e: Exception) {
+        // Malformed profile data
+        if (Firmament.DEBUG)
+            e.printStackTrace()
+        return null
+    }
+}
+