improve nbt/json/mbf casting

src/main/java/de/bixilon/minosoft/data/assets/AssetsManager.kt

@@ -19,7 +19,7 @@ import de.bixilon.minosoft.data.registries.ResourceLocation
 import de.bixilon.minosoft.data.text.RGBColor
 import de.bixilon.minosoft.util.KUtil.fromJson
 import de.bixilon.minosoft.util.Util
-import de.bixilon.minosoft.util.nbt.tag.NBTUtil.compoundCast
+import de.bixilon.minosoft.util.nbt.tag.NBTUtil.asCompound
 import de.matthiasmann.twl.utils.PNGDecoder
 import org.lwjgl.BufferUtils
 import java.io.BufferedReader
@@ -52,7 +52,7 @@ interface AssetsManager {
     }
 
     fun readJsonAsset(resourceLocation: ResourceLocation): Map<String, Any> {
-        return readStringAsset(resourceLocation).fromJson().compoundCast()!!
+        return readStringAsset(resourceLocation).fromJson().asCompound()
     }
 
     fun readStringAsset(resourceLocation: ResourceLocation): String {

src/main/java/de/bixilon/minosoft/data/entities/block/CampfireBlockEntity.kt

@@ -23,7 +23,8 @@ import de.bixilon.minosoft.gui.rendering.RenderConstants
 import de.bixilon.minosoft.gui.rendering.particle.types.render.texture.simple.fire.SmokeParticle
 import de.bixilon.minosoft.protocol.network.connection.PlayConnection
 import de.bixilon.minosoft.util.KUtil.chance
-import de.bixilon.minosoft.util.KUtil.nullCast
+import de.bixilon.minosoft.util.KUtil.toInt
+import de.bixilon.minosoft.util.KUtil.unsafeCast
 import de.bixilon.minosoft.util.nbt.tag.NBTUtil.listCast
 import glm_.vec3.Vec3d
 import glm_.vec3.Vec3i
@@ -48,12 +49,12 @@ class CampfireBlockEntity(connection: PlayConnection) : BlockEntity(connection)
                 continue
             }
             val itemStack = ItemStack(
-                item = connection.registries.itemRegistry[slot["id"]?.nullCast<String>()!!]!!,
+                item = connection.registries.itemRegistry[slot["id"].unsafeCast<String>()]!!,
                 connection = connection,
-                count = slot["Count"]?.nullCast<Number>()?.toInt() ?: 1,
+                count = slot["Count"]?.toInt() ?: 1,
             )
 
-            items[slot["Slot"]?.nullCast<Number>()?.toInt()!!] = itemStack
+            items[slot["Slot"]!!.toInt()] = itemStack
         }
     }
 
@@ -72,7 +73,7 @@ class CampfireBlockEntity(connection: PlayConnection) : BlockEntity(connection)
             }
         }
 
-        val facing = (blockState.properties[BlockProperties.FACING] as Directions).horizontalId
+        val facing = blockState.properties[BlockProperties.FACING].unsafeCast<Directions>().horizontalId
 
         for ((index, item) in items.withIndex()) {
             item ?: continue

src/main/java/de/bixilon/minosoft/data/entities/block/MobSpawnerBlockEntity.kt

@@ -23,7 +23,7 @@ import de.bixilon.minosoft.gui.rendering.util.VecUtil.center
 import de.bixilon.minosoft.gui.rendering.util.VecUtil.plus
 import de.bixilon.minosoft.gui.rendering.util.VecUtil.toVec3d
 import de.bixilon.minosoft.protocol.network.connection.PlayConnection
-import de.bixilon.minosoft.util.KUtil.nullCast
+import de.bixilon.minosoft.util.KUtil.toInt
 import glm_.vec3.Vec3d
 import glm_.vec3.Vec3i
 import kotlin.random.Random
@@ -53,7 +53,7 @@ class MobSpawnerBlockEntity(connection: PlayConnection) : BlockEntity(connection
 
     override fun updateNBT(nbt: Map<String, Any>) {
         nbt["MaxNearbyEntities"]?.let {
-            requiredPlayerRange = nbt["MaxNearbyEntities"]?.nullCast<Number>()?.toInt() ?: 16
+            requiredPlayerRange = nbt["MaxNearbyEntities"]?.toInt() ?: 16
         }
         // ToDo: {MaxNearbyEntities: 6s, RequiredPlayerRange: 16s, SpawnCount: 4s, x: -80, y: 4, SpawnData: {id: "minecraft:zombie"}, z: 212, id: "minecraft:mob_spawner", MaxSpawnDelay: 800s, SpawnRange: 4s, Delay: 0s, MinSpawnDelay: 200s}
     }

src/main/java/de/bixilon/minosoft/data/entities/block/NoteBlockBlockEntity.kt

@@ -22,7 +22,7 @@ import de.bixilon.minosoft.gui.rendering.particle.types.render.texture.simple.No
 import de.bixilon.minosoft.gui.rendering.util.VecUtil.toVec3d
 import de.bixilon.minosoft.protocol.network.connection.PlayConnection
 import de.bixilon.minosoft.util.KUtil.asResourceLocation
-import de.bixilon.minosoft.util.KUtil.nullCast
+import de.bixilon.minosoft.util.KUtil.toInt
 import glm_.vec3.Vec3d
 import glm_.vec3.Vec3i
 
@@ -59,7 +59,7 @@ class NoteBlockBlockEntity(connection: PlayConnection) : BlockEntity(connection)
 
 
         noteParticleType?.let {
-            connection.world += NoteParticle(connection, blockPosition.toVec3d + Vec3d(0.5, 1.2, 0.5), (blockState.properties[BlockProperties.NOTE]?.nullCast<Number>()?.toInt() ?: 0) / 24.0f, it.default())
+            connection.world += NoteParticle(connection, blockPosition.toVec3d + Vec3d(0.5, 1.2, 0.5), (blockState.properties[BlockProperties.NOTE]?.toInt() ?: 0) / 24.0f, it.default())
         }
     }
 

src/main/java/de/bixilon/minosoft/data/entities/block/SignBlockEntity.kt

@@ -27,7 +27,7 @@ class SignBlockEntity(connection: PlayConnection) : BlockEntity(connection) {
 
     override fun updateNBT(nbt: Map<String, Any>) {
         for (i in 0 until ProtocolDefinition.SIGN_LINES) {
-            val tag = nbt["Text$i"]?.nullCast<String>() ?: continue
+            val tag = nbt["Text$i"].nullCast<String>() ?: continue
 
             lines[i] = ChatComponent.of(tag, translator = connection.version.localeManager)
         }

src/main/java/de/bixilon/minosoft/data/inventory/ItemStack.kt

@@ -31,6 +31,7 @@ import de.bixilon.minosoft.data.text.TextFormattable
 import de.bixilon.minosoft.protocol.network.connection.PlayConnection
 import de.bixilon.minosoft.util.BitByte.isBit
 import de.bixilon.minosoft.util.KUtil.nullCast
+import de.bixilon.minosoft.util.KUtil.toInt
 import de.bixilon.minosoft.util.nbt.tag.NBTUtil.compoundCast
 import de.bixilon.minosoft.util.nbt.tag.NBTUtil.getAndRemove
 import de.bixilon.minosoft.util.nbt.tag.NBTUtil.listCast
@@ -63,10 +64,10 @@ data class ItemStack(
             return
         }
 
-        nbt.getAndRemove(REPAIR_COST_TAG)?.nullCast<Number>()?.let { repairCost = it.toInt() }
+        nbt.getAndRemove(REPAIR_COST_TAG).nullCast<Number>()?.let { repairCost = it.toInt() }
 
         nbt.getAndRemove(DISPLAY_TAG)?.compoundCast()?.let {
-            it.getAndRemove(DISPLAY_MAME_TAG)?.nullCast<String>()?.let { nameTag ->
+            it.getAndRemove(DISPLAY_MAME_TAG).nullCast<String>()?.let { nameTag ->
                 customDisplayName = ChatComponent.of(nameTag, translator = connection?.version?.localeManager)
             }
 
@@ -77,15 +78,15 @@ data class ItemStack(
             }
         }
 
-        nbt.getAndRemove(UNBREAKABLE_TAG)?.nullCast<Number>()?.let {
+        nbt.getAndRemove(UNBREAKABLE_TAG).nullCast<Number>()?.let {
             unbreakable = it.toInt() == 0x01
         }
 
-        nbt.getAndRemove(UNBREAKABLE_TAG)?.nullCast<Number>()?.let {
+        nbt.getAndRemove(UNBREAKABLE_TAG).nullCast<Number>()?.let {
             unbreakable = it.toInt() == 0x01
         }
 
-        nbt.getAndRemove(HIDE_FLAGS_TAG)?.nullCast<Number>()?.let {
+        nbt.getAndRemove(HIDE_FLAGS_TAG).nullCast<Number>()?.let {
             hideFlags = it.toInt()
         }
 
@@ -102,7 +103,7 @@ data class ItemStack(
                         else -> TODO()
                     }
                 }!!
-                enchantments[enchantment] = enchantmentTag[ENCHANTMENT_LEVEL_TAG]?.nullCast<Number>()?.toInt()!!
+                enchantments[enchantment] = enchantmentTag[ENCHANTMENT_LEVEL_TAG]!!.toInt()
             }
         }
     }

src/main/java/de/bixilon/minosoft/data/locale/minecraft/MinecraftLocaleManager.kt

@@ -20,7 +20,7 @@ import de.bixilon.minosoft.protocol.protocol.ProtocolVersions
 import de.bixilon.minosoft.util.logging.Log
 import de.bixilon.minosoft.util.logging.LogLevels
 import de.bixilon.minosoft.util.logging.LogMessageType
-import de.bixilon.minosoft.util.nbt.tag.NBTUtil.compoundCast
+import de.bixilon.minosoft.util.nbt.tag.NBTUtil.asCompound
 import java.util.*
 
 class MinecraftLocaleManager(private val version: Version) : Translator {
@@ -33,7 +33,7 @@ class MinecraftLocaleManager(private val version: Version) : Translator {
 
     private fun loadLanguage(version: Version, language: String): MinecraftLanguage {
         return if (version.versionId >= ProtocolVersions.V_18W02A) {
-            MinecraftLanguage(language, this.version.assetsManager.readJsonAsset(ResourceLocation(String.format("lang/%s.json", language.lowercase(Locale.getDefault())))).compoundCast()!!)
+            MinecraftLanguage(language, this.version.assetsManager.readJsonAsset(ResourceLocation(String.format("lang/%s.json", language.lowercase(Locale.getDefault())))).asCompound())
         } else {
             MinecraftLanguage(language, this.version.assetsManager.readStringAsset(ResourceLocation(String.format("lang/%s.lang", language.lowercase(Locale.getDefault())))))
         }

src/main/java/de/bixilon/minosoft/data/player/LocalPlayerEntity.kt

@@ -147,7 +147,7 @@ class LocalPlayerEntity(
             }
             val blockState = connection.world[positionInfo.blockPosition] ?: return false
 
-            connection.tags[TagsS2CP.BLOCK_TAG_RESOURCE_LOCATION]?.get(CLIMBABLE_TAG)?.nullCast<Tag<Block>>()?.let {
+            connection.tags[TagsS2CP.BLOCK_TAG_RESOURCE_LOCATION]?.get(CLIMBABLE_TAG).nullCast<Tag<Block>>()?.let {
                 return it.entries.contains(blockState.block)
             }
             return DefaultBlockTags.CLIMBABLE.contains(blockState.block.resourceLocation)
@@ -159,7 +159,7 @@ class LocalPlayerEntity(
             if (isFlyingWithElytra || baseAbilities.isFlying) {
                 return 1.0
             }
-            val onSoulSpeedBlock = connection.tags[TagsS2CP.BLOCK_TAG_RESOURCE_LOCATION]?.get(SOUL_SPEED_BLOCKS)?.nullCast<Tag<Block>>()?.entries?.contains(connection.world[positionInfo.velocityPosition]?.block) ?: false
+            val onSoulSpeedBlock = connection.tags[TagsS2CP.BLOCK_TAG_RESOURCE_LOCATION]?.get(SOUL_SPEED_BLOCKS).nullCast<Tag<Block>>()?.entries?.contains(connection.world[positionInfo.velocityPosition]?.block) ?: false
 
             if (onSoulSpeedBlock && getEquipmentEnchant(connection.registries.enchantmentRegistry[DefaultEnchantments.SOUL_SPEED]) > 0) {
                 // ToDo

src/main/java/de/bixilon/minosoft/data/registries/DefaultRegistries.kt

@@ -27,7 +27,7 @@ import de.bixilon.minosoft.protocol.packets.c2s.play.EntityActionC2SP
 import de.bixilon.minosoft.protocol.packets.s2c.play.EntityAnimationS2CP
 import de.bixilon.minosoft.protocol.packets.s2c.play.title.TitleS2CF
 import de.bixilon.minosoft.util.json.ResourceLocationJsonMap.toResourceLocationMap
-import de.bixilon.minosoft.util.nbt.tag.NBTUtil.compoundCast
+import de.bixilon.minosoft.util.nbt.tag.NBTUtil.asCompound
 
 object DefaultRegistries {
     private val ENUM_RESOURCE_LOCATION = ResourceLocation("minosoft:mapping/enums.json")
@@ -59,31 +59,31 @@ object DefaultRegistries {
     fun load() {
         check(!initialized) { "Already initialized!" }
 
-        val enumJson = Minosoft.MINOSOFT_ASSETS_MANAGER.readJsonAsset(ENUM_RESOURCE_LOCATION).compoundCast()!!.toResourceLocationMap()
+        val enumJson = Minosoft.MINOSOFT_ASSETS_MANAGER.readJsonAsset(ENUM_RESOURCE_LOCATION).asCompound().toResourceLocationMap()
 
-        EQUIPMENT_SLOTS_REGISTRY.initialize(enumJson[ResourceLocation("equipment_slots")]?.compoundCast()!!)
+        EQUIPMENT_SLOTS_REGISTRY.initialize(enumJson[ResourceLocation("equipment_slots")].asCompound())
-        HAND_EQUIPMENT_SLOTS_REGISTRY.initialize(enumJson[ResourceLocation("hand_equipment_slots")]?.compoundCast()!!)
+        HAND_EQUIPMENT_SLOTS_REGISTRY.initialize(enumJson[ResourceLocation("hand_equipment_slots")].asCompound())
-        ARMOR_EQUIPMENT_SLOTS_REGISTRY.initialize(enumJson[ResourceLocation("armor_equipment_slots")]?.compoundCast()!!)
+        ARMOR_EQUIPMENT_SLOTS_REGISTRY.initialize(enumJson[ResourceLocation("armor_equipment_slots")].asCompound())
-        ARMOR_STAND_EQUIPMENT_SLOTS_REGISTRY.initialize(enumJson[ResourceLocation("armor_stand_equipment_slots")]?.compoundCast()!!)
+        ARMOR_STAND_EQUIPMENT_SLOTS_REGISTRY.initialize(enumJson[ResourceLocation("armor_stand_equipment_slots")].asCompound())
 
-        ENTITY_META_DATA_DATA_TYPES_REGISTRY.initialize(enumJson[ResourceLocation("entity_meta_data_data_types")]?.compoundCast()!!)
+        ENTITY_META_DATA_DATA_TYPES_REGISTRY.initialize(enumJson[ResourceLocation("entity_meta_data_data_types")].asCompound())
 
-        TITLE_ACTIONS_REGISTRY.initialize(enumJson[ResourceLocation("title_actions")]?.compoundCast()!!)
+        TITLE_ACTIONS_REGISTRY.initialize(enumJson[ResourceLocation("title_actions")].asCompound())
 
-        ENTITY_ANIMATION_REGISTRY.initialize(enumJson[ResourceLocation("entity_animations")]?.compoundCast()!!)
+        ENTITY_ANIMATION_REGISTRY.initialize(enumJson[ResourceLocation("entity_animations")].asCompound())
-        ENTITY_ACTIONS_REGISTRY.initialize(enumJson[ResourceLocation("entity_actions")]?.compoundCast()!!)
+        ENTITY_ACTIONS_REGISTRY.initialize(enumJson[ResourceLocation("entity_actions")].asCompound())
 
 
-        val registriesJson = Minosoft.MINOSOFT_ASSETS_MANAGER.readJsonAsset(REGISTRIES_RESOURCE_LOCATION).compoundCast()!!.toResourceLocationMap()
+        val registriesJson = Minosoft.MINOSOFT_ASSETS_MANAGER.readJsonAsset(REGISTRIES_RESOURCE_LOCATION).asCompound().toResourceLocationMap()
 
-        DEFAULT_PLUGIN_CHANNELS_REGISTRY.initialize(registriesJson[ResourceLocation("default_plugin_channels")]?.compoundCast()!!, PluginChannel)
+        DEFAULT_PLUGIN_CHANNELS_REGISTRY.initialize(registriesJson[ResourceLocation("default_plugin_channels")].asCompound(), PluginChannel)
 
-        ENTITY_OBJECT_REGISTRY.rawInitialize(registriesJson[ResourceLocation("entity_objects")]?.compoundCast()!!, null, EntityObjectType)
+        ENTITY_OBJECT_REGISTRY.rawInitialize(registriesJson[ResourceLocation("entity_objects")].asCompound(), null, EntityObjectType)
 
-        BLOCK_ENTITY_META_TYPE_REGISTRY.initialize(registriesJson[ResourceLocation("block_entity_meta_data_types")]?.compoundCast()!!, BlockEntityMetaType)
+        BLOCK_ENTITY_META_TYPE_REGISTRY.initialize(registriesJson[ResourceLocation("block_entity_meta_data_types")].asCompound(), BlockEntityMetaType)
 
-        CONTAINER_TYPE_REGISTRY.initialize(registriesJson[ResourceLocation("container_types")]?.compoundCast()!!, ContainerType)
+        CONTAINER_TYPE_REGISTRY.initialize(registriesJson[ResourceLocation("container_types")].asCompound(), ContainerType)
-        GAME_EVENT_REGISTRY.initialize(registriesJson[ResourceLocation("game_events")]?.compoundCast()!!, GameEvent)
+        GAME_EVENT_REGISTRY.initialize(registriesJson[ResourceLocation("game_events")].asCompound(), GameEvent)
 
         initialized = true
     }

src/main/java/de/bixilon/minosoft/data/registries/Dimension.kt

@@ -76,14 +76,14 @@ data class Dimension(
                 piglinSafe = data["piglin_safe"]?.booleanCast() ?: false,
                 natural = data["natural"]?.booleanCast() ?: false,
                 ambientLight = data["ambient_light"]?.unsafeCast<Float>() ?: 0.0f,
-                infiniBurn = ResourceLocation(data["infiniburn"]?.nullCast<String>() ?: "infiniburn_overworld"),
+                infiniBurn = ResourceLocation(data["infiniburn"].nullCast<String>() ?: "infiniburn_overworld"),
                 respawnAnchorWorks = data["respawn_anchor_works"]?.booleanCast() ?: false,
                 hasSkyLight = data["has_skylight", "has_sky_light"]?.booleanCast() ?: false,
                 bedWorks = data["bed_works"]?.booleanCast() ?: false,
-                effects = ResourceLocation(data["effects"]?.nullCast<String>() ?: "overworld"),
+                effects = ResourceLocation(data["effects"].nullCast<String>() ?: "overworld"),
                 hasRaids = data["has_raids"]?.booleanCast() ?: false,
                 logicalHeight = data["logical_height"]?.toInt() ?: 256,
-                coordinateScale = data["coordinate_scale"]?.nullCast() ?: 0.0,
+                coordinateScale = data["coordinate_scale"].nullCast() ?: 0.0,
                 minY = data["min_y"]?.toInt() ?: 0,
                 hasCeiling = data["has_ceiling"]?.booleanCast() ?: false,
                 ultraWarm = data["ultrawarm"]?.booleanCast() ?: false,

src/main/java/de/bixilon/minosoft/data/registries/Motive.kt

@@ -31,8 +31,8 @@ data class Motive(
         override fun deserialize(registries: Registries?, resourceLocation: ResourceLocation, data: Map<String, Any>): Motive {
             return Motive(
                 resourceLocation = resourceLocation,
-                width = data["width"]!!.unsafeCast(),
+                width = data["width"].unsafeCast(),
-                height = data["height"]!!.unsafeCast(),
+                height = data["height"].unsafeCast(),
             )
         }
     }

src/main/java/de/bixilon/minosoft/data/registries/PluginChannel.kt

@@ -31,7 +31,7 @@ data class PluginChannel(
         override fun deserialize(registries: Registries?, resourceLocation: ResourceLocation, data: Map<String, Any>): PluginChannel {
             return PluginChannel(
                 resourceLocation = resourceLocation,
-                name = LegacyResourceLocation(data["name"]!!.unsafeCast())
+                name = LegacyResourceLocation(data["name"].unsafeCast())
             )
         }
     }

src/main/java/de/bixilon/minosoft/data/registries/biomes/Biome.kt

@@ -76,8 +76,8 @@ data class Biome(
                 skyColor = data["sky_color"]?.toInt()?.asRGBColor() ?: RenderConstants.GRASS_FAILOVER_COLOR,
                 foliageColorOverride = TintColorCalculator.getJsonColor(data["foliage_color_override"]?.toInt() ?: 0),
                 grassColorOverride = TintColorCalculator.getJsonColor(data["grass_color_override"]?.toInt() ?: 0),
-                descriptionId = data["water_fog_color"]?.nullCast(),
+                descriptionId = data["water_fog_color"].nullCast(),
-                grassColorModifier = data["grass_color_modifier"]?.nullCast<String>()?.uppercase(Locale.getDefault())?.let { GrassColorModifiers.valueOf(it) } ?: when (resourceLocation) {
+                grassColorModifier = data["grass_color_modifier"].nullCast<String>()?.uppercase(Locale.getDefault())?.let { GrassColorModifiers.valueOf(it) } ?: when (resourceLocation) {
                     ResourceLocation("minecraft:swamp"), ResourceLocation("minecraft:swamp_hills") -> GrassColorModifiers.SWAMP
                     ResourceLocation("minecraft:dark_forest"), ResourceLocation("minecraft:dark_forest_hills") -> GrassColorModifiers.DARK_FOREST
                     else -> GrassColorModifiers.NONE

src/main/java/de/bixilon/minosoft/data/registries/biomes/BiomeCategory.kt

@@ -25,7 +25,7 @@ data class BiomeCategory(
     companion object : IdDeserializer<BiomeCategory> {
         override fun deserialize(registries: Registries, data: Map<String, Any>): BiomeCategory {
             return BiomeCategory(
-                name = data["name"]!!.unsafeCast()
+                name = data["name"].unsafeCast()
             )
         }
 

src/main/java/de/bixilon/minosoft/data/registries/biomes/BiomePrecipitation.kt

@@ -25,7 +25,7 @@ data class BiomePrecipitation(
     companion object : IdDeserializer<BiomePrecipitation> {
         override fun deserialize(registries: Registries, data: Map<String, Any>): BiomePrecipitation {
             return BiomePrecipitation(
-                name = data["name"]!!.unsafeCast()
+                name = data["name"].unsafeCast()
             )
         }
     }

src/main/java/de/bixilon/minosoft/data/registries/blocks/BlockState.kt

@@ -28,6 +28,7 @@ import de.bixilon.minosoft.gui.rendering.block.renderable.block.BlockRenderer
 import de.bixilon.minosoft.gui.rendering.block.renderable.block.MultipartRenderer
 import de.bixilon.minosoft.util.KUtil.toInt
 import de.bixilon.minosoft.util.KUtil.unsafeCast
+import de.bixilon.minosoft.util.nbt.tag.NBTUtil.asCompound
 import de.bixilon.minosoft.util.nbt.tag.NBTUtil.booleanCast
 import de.bixilon.minosoft.util.nbt.tag.NBTUtil.compoundCast
 import glm_.vec3.Vec3i
@@ -137,12 +138,12 @@ data class BlockState(
                         for (model in it) {
                             when (model) {
                                 is Map<*, *> -> {
-                                    addBlockModel(model.compoundCast()!!, renderers, models)
+                                    addBlockModel(model.asCompound(), renderers, models)
                                 }
                                 is Collection<*> -> {
                                     val modelList: MutableList<WorldEntryRenderer> = mutableListOf()
                                     for (singleModel in model) {
-                                        addBlockModel(singleModel!!.compoundCast()!!, modelList, models)
+                                        addBlockModel(singleModel!!.asCompound(), modelList, models)
                                     }
                                     renderers.add(MultipartRenderer(modelList.toList()))
                                 }
@@ -150,7 +151,7 @@ data class BlockState(
                         }
                     }
                     is Map<*, *> -> {
-                        addBlockModel(it.compoundCast()!!, renderers, models)
+                        addBlockModel(it.asCompound(), renderers, models)
                     }
                     else -> error("Not a render json!")
                 }
@@ -159,7 +160,7 @@ data class BlockState(
             val tintColor: RGBColor? = data["tint_color"]?.toInt()?.let { TintColorCalculator.getJsonColor(it) } ?: block.tintColor
 
 
-            val material = registries.materialRegistry[ResourceLocation(data["material"]!!.unsafeCast())]!!
+            val material = registries.materialRegistry[ResourceLocation(data["material"].unsafeCast())]!!
 
 
             fun Any.asShape(): VoxelShape {
@@ -230,7 +231,7 @@ data class BlockState(
         }
 
         private fun addBlockModel(data: Map<String, Any>, renderer: MutableList<WorldEntryRenderer>, models: Map<ResourceLocation, BlockModel>) {
-            val model = models[ResourceLocation(data["model"]!!.unsafeCast())] ?: error("Can not find block model ${data["model"]}")
+            val model = models[ResourceLocation(data["model"].unsafeCast())] ?: error("Can not find block model ${data["model"]}")
             renderer.add(BlockRenderer(data, model))
         }
     }

src/main/java/de/bixilon/minosoft/data/registries/blocks/types/Block.kt

@@ -35,7 +35,7 @@ import de.bixilon.minosoft.util.KUtil.nullCast
 import de.bixilon.minosoft.util.KUtil.toDouble
 import de.bixilon.minosoft.util.KUtil.toInt
 import de.bixilon.minosoft.util.KUtil.unsafeCast
-import de.bixilon.minosoft.util.nbt.tag.NBTUtil.compoundCast
+import de.bixilon.minosoft.util.nbt.tag.NBTUtil.asCompound
 import glm_.vec3.Vec3i
 import kotlin.random.Random
 
@@ -46,8 +46,8 @@ open class Block(
 ) : RegistryItem() {
     open val explosionResistance: Float = data["explosion_resistance"]?.unsafeCast<Float>() ?: 0.0f
     open val tintColor: RGBColor? = data["tint_color"]?.toInt()?.let { TintColorCalculator.getJsonColor(it) }
-    open val randomOffsetType: RandomOffsetTypes? = data["offset_type"]?.nullCast<String>()?.let { RandomOffsetTypes[it] }
+    open val randomOffsetType: RandomOffsetTypes? = data["offset_type"].nullCast<String>()?.let { RandomOffsetTypes[it] }
-    open val tint: ResourceLocation? = data["tint"]?.nullCast<String>()?.let { ResourceLocation(it) }
+    open val tint: ResourceLocation? = data["tint"].nullCast<String>()?.let { ResourceLocation(it) }
     open val renderOverride: List<WorldEntryRenderer>? = null
     open var blockEntityType: BlockEntityType? = null
         protected set
@@ -119,14 +119,14 @@ open class Block(
         override fun deserialize(registries: Registries?, resourceLocation: ResourceLocation, data: Map<String, Any>): Block {
             check(registries != null) { "Registries is null!" }
 
-            val block = DefaultBlockFactories[data["class"]!!.unsafeCast()]?.build(resourceLocation, registries, data) ?: Block(resourceLocation, registries, data)
+            val block = DefaultBlockFactories[data["class"].unsafeCast()]?.build(resourceLocation, registries, data) ?: Block(resourceLocation, registries, data)
 
             val properties: MutableMap<BlockProperties, MutableSet<Any>> = mutableMapOf()
 
             val states: MutableSet<BlockState> = mutableSetOf()
             for ((stateId, stateJson) in data["states"]?.mapCast()!!) {
                 check(stateJson is Map<*, *>) { "Not a state element!" }
-                val state = BlockState.deserialize(block, registries, stateJson.compoundCast()!!, registries.models)
+                val state = BlockState.deserialize(block, registries, stateJson.asCompound(), registries.models)
                 registries.blockStateRegistry[stateId.toInt()] = state
                 states.add(state)
                 for ((property, value) in state.properties) {
@@ -141,7 +141,7 @@ open class Block(
             }
 
             block.states = states.toSet()
-            block.defaultState = registries.blockStateRegistry.forceGet(data["default_state"]!!.unsafeCast())!!
+            block.defaultState = registries.blockStateRegistry.forceGet(data["default_state"].unsafeCast())!!
             block.properties = propertiesOut.toMap()
             return block
         }

src/main/java/de/bixilon/minosoft/data/registries/effects/StatusEffect.kt

@@ -22,6 +22,7 @@ import de.bixilon.minosoft.data.text.RGBColor
 import de.bixilon.minosoft.data.text.RGBColor.Companion.asRGBColor
 import de.bixilon.minosoft.datafixer.EntityAttributeFixer.fix
 import de.bixilon.minosoft.util.KUtil.unsafeCast
+import de.bixilon.minosoft.util.nbt.tag.NBTUtil.asCompound
 import de.bixilon.minosoft.util.nbt.tag.NBTUtil.compoundCast
 import java.util.*
 
@@ -45,7 +46,7 @@ data class StatusEffect(
 
             data["attributes"]?.compoundCast()?.let {
                 for ((key, value) in it) {
-                    val attribute = StatusEffectAttribute.deserialize(value.compoundCast()!!)
+                    val attribute = StatusEffectAttribute.deserialize(value.asCompound())
                     attributes[ResourceLocation.getResourceLocation(key).fix()] = attribute
                     uuidAttributes[attribute.uuid] = attribute
                 }
@@ -53,9 +54,9 @@ data class StatusEffect(
 
             return StatusEffect(
                 resourceLocation = resourceLocation,
-                category = StatusEffectCategories[data["category"]!!.unsafeCast<String>()],
+                category = StatusEffectCategories[data["category"].unsafeCast<String>()],
                 translationKey = data["translation_key"]?.unsafeCast<String>(),
-                color = data["color"]!!.unsafeCast<Int>().asRGBColor(),
+                color = data["color"].unsafeCast<Int>().asRGBColor(),
                 attributes = attributes.toMap(),
                 uuidAttributes = uuidAttributes.toMap(),
             )

src/main/java/de/bixilon/minosoft/data/registries/effects/attributes/StatusEffectAttribute.kt

@@ -29,10 +29,10 @@ data class StatusEffectAttribute(
     companion object {
         fun deserialize(data: Map<String, Any>): StatusEffectAttribute {
             return StatusEffectAttribute(
-                name = data["name"]!!.unsafeCast(),
+                name = data["name"].unsafeCast(),
-                uuid = Util.getUUIDFromString(data["uuid"]!!.unsafeCast()),
+                uuid = Util.getUUIDFromString(data["uuid"].unsafeCast()),
-                amount = data["amount"]!!.unsafeCast(),
+                amount = data["amount"].unsafeCast(),
-                operation = StatusEffectOperations[data["operation"]!!.unsafeCast<String>()],
+                operation = StatusEffectOperations[data["operation"].unsafeCast<String>()],
             )
         }
     }

src/main/java/de/bixilon/minosoft/data/registries/entities/EntityType.kt

@@ -72,9 +72,9 @@ data class EntityType(
 
             return EntityType(
                 resourceLocation = resourceLocation,
-                translationKey = data["translation_key"]?.nullCast(),
+                translationKey = data["translation_key"].nullCast(),
-                width = data["width"]!!.unsafeCast(),
+                width = data["width"].unsafeCast(),
-                height = data["height"]!!.unsafeCast(),
+                height = data["height"].unsafeCast(),
                 fireImmune = data["fire_immune"]?.booleanCast() ?: false,
                 sizeFixed = data["size_fixed"]?.booleanCast() ?: false,
                 attributes = attributes.toMap(),

src/main/java/de/bixilon/minosoft/data/registries/fluid/Fluid.kt

@@ -92,7 +92,7 @@ open class Fluid(
 
         override fun deserialize(registries: Registries?, resourceLocation: ResourceLocation, data: Map<String, Any>): Fluid {
             check(registries != null) { "Registries is null!" }
-            DefaultFluidFactories[data["class"]?.nullCast<String>()]?.let {
+            DefaultFluidFactories[data["class"].nullCast<String>()]?.let {
                 return it.build(resourceLocation, registries, data)
             }
 

src/main/java/de/bixilon/minosoft/data/registries/inventory/CreativeModeTab.kt

@@ -30,9 +30,9 @@ data class CreativeModeTab(
     companion object : IdDeserializer<CreativeModeTab> {
         override fun deserialize(registries: Registries, data: Map<String, Any>): CreativeModeTab {
             return CreativeModeTab(
-                name = data["language_id"]!!.unsafeCast(),
+                name = data["language_id"].unsafeCast(),
-                recipeFolderName = data["recipe_folder_name"]!!.unsafeCast(),
+                recipeFolderName = data["recipe_folder_name"].unsafeCast(),
-                backgroundSuffix = data["background_suffix"]!!.unsafeCast(),
+                backgroundSuffix = data["background_suffix"].unsafeCast(),
                 canScroll = data["can_scroll"]!!.booleanCast(),
                 showTitle = data["show_title"]!!.booleanCast(),
             )

src/main/java/de/bixilon/minosoft/data/registries/items/DyeItem.kt

@@ -22,5 +22,5 @@ open class DyeItem(
     registries: Registries,
     data: Map<String, Any>,
 ) : Item(resourceLocation, registries, data) {
-    val dyeColor = data["dye_color"]?.nullCast<String>() ?: "white"
+    val dyeColor = data["dye_color"].nullCast<String>() ?: "white"
 }

src/main/java/de/bixilon/minosoft/data/registries/items/Item.kt

@@ -42,7 +42,7 @@ open class Item(
     val maxStackSize: Int = data["max_stack_size"]?.toInt() ?: 64
     val maxDamage: Int = data["max_damage"]?.toInt() ?: 1
     val isFireResistant: Boolean = data["is_fire_resistant"]?.booleanCast() ?: false
-    override val translationKey: String? = data["translation_key"]?.nullCast()
+    override val translationKey: String? = data["translation_key"].nullCast()
     val creativeModeTab: CreativeModeTab? = data["category"]?.toInt()?.let { registries.creativeModeTabRegistry[it] }
 
     override fun toString(): String {
@@ -62,7 +62,7 @@ open class Item(
 
         override fun deserialize(registries: Registries?, resourceLocation: ResourceLocation, data: Map<String, Any>): Item {
             check(registries != null) { "Registries is null!" }
-            return when (data["class"]!!.unsafeCast<String>()) {
+            return when (data["class"].unsafeCast<String>()) {
                 "BlockItem" -> BlockItem(resourceLocation, registries, data)
                 "ArmorItem" -> ArmorItem(resourceLocation, registries, data)
                 "SwordItem" -> SwordItem(resourceLocation, registries, data)

src/main/java/de/bixilon/minosoft/data/registries/items/MusicDiscItem.kt

@@ -23,7 +23,7 @@ open class MusicDiscItem(
     registries: Registries,
     data: Map<String, Any>,
 ) : Item(resourceLocation, registries, data) {
-    val analogOutput = data["analog_output"]?.nullCast<Item>() ?: 0
+    val analogOutput = data["analog_output"].nullCast<Item>() ?: 0
     val sound: SoundEvent? = null
 
     init {

src/main/java/de/bixilon/minosoft/data/registries/items/armor/ArmorItem.kt

@@ -24,8 +24,8 @@ open class ArmorItem(
     registries: Registries,
     data: Map<String, Any>,
 ) : Item(resourceLocation, registries, data) {
-    val protection = data["defense"]!!.unsafeCast<Float>()
+    val protection = data["defense"].unsafeCast<Float>()
-    val toughness = data["toughness"]!!.unsafeCast<Float>()
+    val toughness = data["toughness"].unsafeCast<Float>()
-    val equipmentSlot = data["equipment_slot"]!!.unsafeCast<String>().let { InventorySlots.EquipmentSlots[it] }
+    val equipmentSlot = data["equipment_slot"].unsafeCast<String>().let { InventorySlots.EquipmentSlots[it] }
     val knockbackResistance = data["knockback_resistance"]?.unsafeCast<Float>() ?: 0.0f
 }

src/main/java/de/bixilon/minosoft/data/registries/materials/Material.kt

@@ -45,7 +45,7 @@ data class Material(
             return Material(
                 resourceLocation = resourceLocation,
                 color = TintColorCalculator.getJsonColor(data["color"]?.toInt() ?: 0),
-                pushReaction = data["push_reaction"]?.nullCast<String>()?.let { PushReactions.valueOf(it.uppercase(Locale.getDefault())) } ?: PushReactions.NORMAL,
+                pushReaction = data["push_reaction"].nullCast<String>()?.let { PushReactions.valueOf(it.uppercase(Locale.getDefault())) } ?: PushReactions.NORMAL,
                 blockMotion = data["blocks_motion"]?.booleanCast() ?: false,
                 flammable = data["flammable"]?.booleanCast() ?: false,
                 liquid = data["liquid"]?.booleanCast() ?: false,

src/main/java/de/bixilon/minosoft/data/registries/registry/EnumRegistry.kt

@@ -56,7 +56,7 @@ class EnumRegistry<T : Enum<*>>(
         val value: T
         when (data) {
             is Map<*, *> -> {
-                id = data["id"]!!.unsafeCast()
+                id = data["id"].unsafeCast()
                 value = getEnum(data["value"]!!)
             }
             is String -> {
@@ -82,7 +82,7 @@ class EnumRegistry<T : Enum<*>>(
             }
             is Map<*, *> -> {
                 for ((index, enum) in data) {
-                    putEnum(enum!!, Integer.valueOf(index!!.unsafeCast<String>()))
+                    putEnum(enum!!, Integer.valueOf(index.unsafeCast<String>()))
                 }
             }
             else -> throw IllegalArgumentException("Can not get enum value: $data")

src/main/java/de/bixilon/minosoft/data/registries/registry/FakeEnumRegistry.kt

@@ -16,7 +16,7 @@ package de.bixilon.minosoft.data.registries.registry
 import de.bixilon.minosoft.data.registries.versions.Registries
 import de.bixilon.minosoft.util.KUtil.toInt
 import de.bixilon.minosoft.util.collections.Clearable
-import de.bixilon.minosoft.util.nbt.tag.NBTUtil.compoundCast
+import de.bixilon.minosoft.util.nbt.tag.NBTUtil.asCompound
 
 class FakeEnumRegistry<T : RegistryFakeEnumerable>(
     override var parent: FakeEnumRegistry<T>? = null,
@@ -49,7 +49,7 @@ class FakeEnumRegistry<T : RegistryFakeEnumerable>(
             check(value is Map<*, *>)
             var itemId = id.toInt()
 
-            val item = deserializer.deserialize(registries, value.compoundCast()!!)
+            val item = deserializer.deserialize(registries, value.asCompound())
             value["id"]?.toInt()?.let { providedItemId ->
                 itemId = providedItemId
             }

src/main/java/de/bixilon/minosoft/data/registries/registry/Registry.kt

@@ -22,7 +22,7 @@ import de.bixilon.minosoft.util.KUtil.asResourceLocation
 import de.bixilon.minosoft.util.KUtil.nullCast
 import de.bixilon.minosoft.util.KUtil.toInt
 import de.bixilon.minosoft.util.json.ResourceLocationJsonMap.toResourceLocationMap
-import de.bixilon.minosoft.util.nbt.tag.NBTUtil.compoundCast
+import de.bixilon.minosoft.util.nbt.tag.NBTUtil.asCompound
 
 open class Registry<T : RegistryItem>(
     override var parent: AbstractRegistry<T>? = null,
@@ -99,7 +99,7 @@ open class Registry<T : RegistryItem>(
 
         for ((resourceLocation, value) in data) {
             check(value is Map<*, *>)
-            val item = deserializer.deserialize(registries, resourceLocation, value.compoundCast()!!) ?: continue
+            val item = deserializer.deserialize(registries, resourceLocation, value.asCompound()) ?: continue
             value["id"]?.toInt()?.let { id ->
                 var itemId = id
                 if (!flattened) {
@@ -153,7 +153,7 @@ open class Registry<T : RegistryItem>(
         for (item in resourceLocationMap.values) {
             lambda(item)
         }
-        parent?.nullCast<Registry<T>>()?.forEachItem(lambda)
+        parent.nullCast<Registry<T>>()?.forEachItem(lambda)
     }
 
     override fun toString(): String {

src/main/java/de/bixilon/minosoft/data/registries/versions/Registries.kt

@@ -48,6 +48,7 @@ import de.bixilon.minosoft.util.KUtil.nullCast
 import de.bixilon.minosoft.util.KUtil.unsafeCast
 import de.bixilon.minosoft.util.collections.Clearable
 import de.bixilon.minosoft.util.json.ResourceLocationJsonMap.toResourceLocationMap
+import de.bixilon.minosoft.util.nbt.tag.NBTUtil.asCompound
 import de.bixilon.minosoft.util.nbt.tag.NBTUtil.compoundCast
 import java.lang.reflect.Field
 import java.lang.reflect.ParameterizedType
@@ -182,15 +183,14 @@ class Registries {
 
         // post init
         for (field in TYPE_MAP.values) {
-            val registry = field.get(this) as Registry<*>
+            field.get(this).unsafeCast<Registry<*>>().postInit(this)
-            registry.postInit(this)
         }
         isFullyLoaded = true
     }
 
     private fun loadShapes(pixlyzerData: Map<String, Any>?) {
         pixlyzerData ?: return
-        val aabbs = loadAABBs(pixlyzerData["aabbs"]?.nullCast()!!)
+        val aabbs = loadAABBs(pixlyzerData["aabbs"].nullCast()!!)
         loadVoxelShapes(pixlyzerData["shapes"]?.listCast()!!, aabbs)
     }
 
@@ -213,7 +213,7 @@ class Registries {
             if (models.containsKey(resourceLocation)) {
                 continue
             }
-            loadBlockModel(resourceLocation, model.compoundCast()!!, data)
+            loadBlockModel(resourceLocation, model.asCompound(), data)
         }
     }
 
@@ -223,14 +223,14 @@ class Registries {
             return it
         }
         var parent: BlockModel? = null
-        modelData["parent"]?.nullCast<String>()?.let {
+        modelData["parent"].nullCast<String>()?.let {
             val parentResourceLocation = ResourceLocation(it)
             if (parentResourceLocation.path.startsWith("builtin/")) {
                 // ToDo
                 return@let
             }
 
-            parent = loadBlockModel(parentResourceLocation, fullModelData[parentResourceLocation]?.compoundCast()!!, fullModelData)
+            parent = loadBlockModel(parentResourceLocation, fullModelData[parentResourceLocation]!!.asCompound(), fullModelData)
         }
         model = BlockModel(parent, modelData)
 

src/main/java/de/bixilon/minosoft/data/registries/versions/Version.kt

@@ -26,7 +26,7 @@ import de.bixilon.minosoft.util.CountUpAndDownLatch
 import de.bixilon.minosoft.util.logging.Log
 import de.bixilon.minosoft.util.logging.LogLevels
 import de.bixilon.minosoft.util.logging.LogMessageType
-import de.bixilon.minosoft.util.nbt.tag.NBTUtil.compoundCast
+import de.bixilon.minosoft.util.nbt.tag.NBTUtil.asCompound
 
 data class Version(
     var versionName: String,
@@ -95,7 +95,7 @@ data class Version(
             registries.parentRegistries = Versions.PRE_FLATTENING_MAPPING
         }
         val pixlyzerData = try {
-            MBFBinaryReader(assetsManager.readAssetAsStream(Resources.getPixLyzerDataHashByVersion(this), false)).readMBF().data?.compoundCast()!!
+            MBFBinaryReader(assetsManager.readAssetAsStream(Resources.getPixLyzerDataHashByVersion(this), false)).readMBF().data.asCompound()
         } catch (exception: Throwable) {
             // should not happen, but if this version is not flattened, we can fallback to the flatten mappings. Some things might not work...
             Log.log(LogMessageType.VERSION_LOADING, level = LogLevels.VERBOSE) { exception }

src/main/java/de/bixilon/minosoft/data/text/BaseComponent.kt

@@ -107,7 +107,7 @@ class BaseComponent : ChatComponent {
             if (colorName.startsWith("#")) {
                 colorName.asColor()
             } else {
-                ChatCode.FORMATTING_CODES[colorName]?.nullCast<RGBColor>()
+                ChatCode.FORMATTING_CODES[colorName].nullCast<RGBColor>()
             }
         } ?: parent?.color
 

src/main/java/de/bixilon/minosoft/gui/rendering/block/WorldRenderer.kt

@@ -60,7 +60,7 @@ class WorldRenderer(
     val renderWindow: RenderWindow,
 ) : Renderer {
     private val world: World = connection.world
-    private val waterBlock = connection.registries.blockRegistry[ResourceLocation("minecraft:water")]?.nullCast<FluidBlock>()
+    private val waterBlock = connection.registries.blockRegistry[ResourceLocation("minecraft:water")].nullCast<FluidBlock>()
 
     private val chunkShader: Shader = renderWindow.renderSystem.createShader(ResourceLocation(ProtocolDefinition.MINOSOFT_NAMESPACE, "world"))
     private val lightMap = LightMap(connection)

src/main/java/de/bixilon/minosoft/gui/rendering/block/models/BlockModel.kt

@@ -17,6 +17,7 @@ import de.bixilon.minosoft.gui.rendering.util.VecUtil.rad
 import de.bixilon.minosoft.util.KUtil.listCast
 import de.bixilon.minosoft.util.KUtil.nullCast
 import de.bixilon.minosoft.util.KUtil.unsafeCast
+import de.bixilon.minosoft.util.nbt.tag.NBTUtil.asCompound
 import de.bixilon.minosoft.util.nbt.tag.NBTUtil.compoundCast
 import glm_.vec3.Vec3
 
@@ -27,9 +28,9 @@ open class BlockModel(
     val textures: Map<String, String>
     val elements: List<BlockModelElement>
     val rotation: Vec3 = Vec3(data["x"]?.unsafeCast<Double>() ?: parent?.rotation?.x ?: 0.0f, data["y"]?.unsafeCast<Double>() ?: parent?.rotation?.y ?: 0.0f, data["z"]?.unsafeCast<Double>() ?: parent?.rotation?.z ?: 0.0f).rad
-    val uvLock: Boolean = data["uvlock"]?.nullCast<Boolean>() ?: parent?.uvLock ?: false
+    val uvLock: Boolean = data["uvlock"].nullCast<Boolean>() ?: parent?.uvLock ?: false
-    val rescale: Boolean = data["rescale"]?.nullCast<Boolean>() ?: parent?.rescale ?: false
+    val rescale: Boolean = data["rescale"].nullCast<Boolean>() ?: parent?.rescale ?: false
-    val ambientOcclusion: Boolean = data["ambientocclusion"]?.nullCast<Boolean>() ?: parent?.ambientOcclusion ?: true
+    val ambientOcclusion: Boolean = data["ambientocclusion"].nullCast<Boolean>() ?: parent?.ambientOcclusion ?: true
 
     init {
         textures = data["textures"]?.compoundCast()?.let {
@@ -47,7 +48,7 @@ open class BlockModel(
         elements = data["elements"]?.listCast()?.let {
             val elements: MutableList<BlockModelElement> = mutableListOf()
             for (element in it) {
-                elements += BlockModelElement(element.compoundCast()!!)
+                elements += BlockModelElement(element.asCompound())
             }
             elements.toList()
         } ?: parent?.elements ?: listOf()

src/main/java/de/bixilon/minosoft/gui/rendering/block/models/BlockModelElement.kt

@@ -20,6 +20,7 @@ import de.bixilon.minosoft.gui.rendering.util.VecUtil.rotate
 import de.bixilon.minosoft.gui.rendering.util.VecUtil.toVec3
 import de.bixilon.minosoft.util.KUtil.nullCast
 import de.bixilon.minosoft.util.KUtil.unsafeCast
+import de.bixilon.minosoft.util.nbt.tag.NBTUtil.asCompound
 import de.bixilon.minosoft.util.nbt.tag.NBTUtil.compoundCast
 import glm_.func.rad
 import glm_.vec3.Vec3
@@ -29,7 +30,7 @@ open class BlockModelElement(
 ) {
     val from: Vec3 = data["from"]?.toVec3() ?: Vec3.EMPTY
     val to: Vec3 = data["to"]?.toVec3() ?: Vec3(BLOCK_RESOLUTION)
-    val shade: Boolean = data["shade"]?.nullCast<Boolean>() ?: true
+    val shade: Boolean = data["shade"].nullCast<Boolean>() ?: true
     val faces: MutableMap<Directions, BlockModelFace> = mutableMapOf()
     val transformedPositions: Array<Vec3> = arrayOf(
         Vec3(from.x, from.y, from.z),
@@ -45,16 +46,16 @@ open class BlockModelElement(
     init {
 
         data["rotation"]?.compoundCast()?.let {
-            val axis = Axes[it["axis"]!!.unsafeCast<String>()]
+            val axis = Axes[it["axis"].unsafeCast<String>()]
-            val angle = it["angle"]!!.unsafeCast<Double>().toFloat().rad
+            val angle = it["angle"].unsafeCast<Double>().toFloat().rad
-            val rescale = it["rescale"]?.nullCast<Boolean>() ?: false
+            val rescale = it["rescale"].nullCast<Boolean>() ?: false
             rotatePositions(transformedPositions, axis, angle, it["origin"]!!.toVec3(), rescale)
         }
 
         data["faces"]?.compoundCast()?.let {
             for ((directionName, json) in it) {
                 val direction = Directions[directionName]
-                faces[direction] = BlockModelFace(json.compoundCast()!!, from, to, direction)
+                faces[direction] = BlockModelFace(json.asCompound(), from, to, direction)
             }
         }
 

src/main/java/de/bixilon/minosoft/gui/rendering/block/models/BlockModelFace.kt

@@ -42,8 +42,8 @@ class BlockModelFace {
 
     constructor(data: Map<String, Any>, from: Vec3, to: Vec3, direction: Directions) {
         tint = data.containsKey("tintindex")
-        textureName = data["texture"]!!.unsafeCast<String>().removePrefix("#")
+        textureName = data["texture"].unsafeCast<String>().removePrefix("#")
-        cullFace = data["cullface"]?.nullCast<String>()?.let {
+        cullFace = data["cullface"].nullCast<String>()?.let {
             if (it == "bottom") {
                 Directions.DOWN
             } else {

src/main/java/de/bixilon/minosoft/gui/rendering/block/outline/BlockOutlineRenderer.kt

@@ -58,7 +58,7 @@ class BlockOutlineRenderer(
     }
 
     override fun draw() {
-        val raycastHit = renderWindow.inputHandler.camera.target?.nullCast<BlockRaycastHit>()
+        val raycastHit = renderWindow.inputHandler.camera.target.nullCast<BlockRaycastHit>()
 
         var currentMesh = currentMesh
 

src/main/java/de/bixilon/minosoft/gui/rendering/font/FontLoader.kt

@@ -21,7 +21,7 @@ import de.bixilon.minosoft.gui.rendering.textures.Texture
 import de.bixilon.minosoft.util.KUtil.listCast
 import de.bixilon.minosoft.util.KUtil.toInt
 import de.bixilon.minosoft.util.KUtil.unsafeCast
-import de.bixilon.minosoft.util.nbt.tag.NBTUtil.compoundCast
+import de.bixilon.minosoft.util.nbt.tag.NBTUtil.asCompound
 import java.io.InputStream
 
 object FontLoader {
@@ -117,12 +117,12 @@ object FontLoader {
     }
 
     fun loadFontProvider(data: Map<String, Any>, assetsManager: AssetsManager, textures: MutableMap<ResourceLocation, Texture>): FontProvider {
-        return when (data["type"]!!.unsafeCast<String>()) {
+        return when (data["type"].unsafeCast<String>()) {
             "bitmap" -> {
-                loadBitmapFontProvider(ResourceLocation(data["file"]!!.unsafeCast()), data["height"]?.toInt(), data["ascent"]!!.toInt(), getCharArray(data["chars"]!!.unsafeCast()), assetsManager, textures)
+                loadBitmapFontProvider(ResourceLocation(data["file"].unsafeCast()), data["height"]?.toInt(), data["ascent"]!!.toInt(), getCharArray(data["chars"].unsafeCast()), assetsManager, textures)
             }
             "legacy_unicode" -> {
-                loadUnicodeFontProvider(ResourceLocation(data["template"]!!.unsafeCast()), assetsManager.readAssetAsStream(ResourceLocation(data["sizes"]!!.unsafeCast())), assetsManager, textures)
+                loadUnicodeFontProvider(ResourceLocation(data["template"].unsafeCast()), assetsManager.readAssetAsStream(ResourceLocation(data["sizes"].unsafeCast())), assetsManager, textures)
             }
             "ttf" -> {
                 TODO("True Type Fonts are not implemented yet")
@@ -134,8 +134,8 @@ object FontLoader {
 
     fun loadFontProviders(assetsManager: AssetsManager, textures: MutableMap<ResourceLocation, Texture>): List<FontProvider> {
         val ret: MutableList<FontProvider> = mutableListOf()
-        for (providerElement in assetsManager.readJsonAsset(FONT_JSON_RESOURCE_LOCATION).compoundCast()!!["providers"]!!.listCast()!!) {
+        for (providerElement in assetsManager.readJsonAsset(FONT_JSON_RESOURCE_LOCATION).asCompound()["providers"]!!.listCast()!!) {
-            val provider = loadFontProvider(providerElement.compoundCast()!!, assetsManager, textures)
+            val provider = loadFontProvider(providerElement.asCompound(), assetsManager, textures)
             ret.add(provider)
         }
         return ret

src/main/java/de/bixilon/minosoft/gui/rendering/hud/atlas/HUDAtlasElement.kt

@@ -17,6 +17,7 @@ import de.bixilon.minosoft.data.registries.ResourceLocation
 import de.bixilon.minosoft.gui.rendering.RenderConstants
 import de.bixilon.minosoft.gui.rendering.textures.Texture
 import de.bixilon.minosoft.util.KUtil.nullCast
+import de.bixilon.minosoft.util.nbt.tag.NBTUtil.asCompound
 import de.bixilon.minosoft.util.nbt.tag.NBTUtil.compoundCast
 import glm_.vec2.Vec2
 import glm_.vec2.Vec2i
@@ -43,21 +44,21 @@ data class HUDAtlasElement(
         fun deserialize(json: Map<ResourceLocation, Any>, textures: MutableMap<ResourceLocation, Texture>): Map<ResourceLocation, HUDAtlasElement> {
             val ret: MutableMap<ResourceLocation, HUDAtlasElement> = mutableMapOf()
             for ((resourceLocation, data) in json) {
-                ret[resourceLocation] = deserialize(data.compoundCast()!!, textures)
+                ret[resourceLocation] = deserialize(data.asCompound(), textures)
             }
             return ret
         }
 
         fun deserialize(json: Map<String, Any>, textures: MutableMap<ResourceLocation, Texture>): HUDAtlasElement {
             val keys: MutableSet<Int> = mutableSetOf()
-            var textureResourceLocation: ResourceLocation? = json["texture"]?.nullCast<String>()?.let { ResourceLocation(it) }
+            var textureResourceLocation: ResourceLocation? = json["texture"].nullCast<String>()?.let { ResourceLocation(it) }
-            for (key in json["versions"]!!.compoundCast()!!.keys) {
+            for (key in json["versions"]!!.asCompound().keys) {
                 keys.add(key.toInt())
             }
             // ToDo: Sort and get correct version
-            val imageJson = json["versions"]!!.compoundCast()!![keys.iterator().next().toString()]!!.compoundCast()!!
+            val imageJson = json["versions"]!!.asCompound()[keys.iterator().next().toString()]!!.asCompound()
 
-            imageJson["texture"]?.nullCast<String>()?.let { textureResourceLocation = ResourceLocation(it) }
+            imageJson["texture"].nullCast<String>()?.let { textureResourceLocation = ResourceLocation(it) }
 
 
             val texture = textures.getOrPut(textureResourceLocation!!) { Texture(textureResourceLocation!!) }

src/main/java/de/bixilon/minosoft/gui/rendering/sound/AudioPlayer.kt

@@ -238,7 +238,7 @@ class AudioPlayer(
                     }
                     is Map<*, *> -> {
                         sounds += Sound(
-                            path = soundJson["name"]!!.unsafeCast<String>().getSoundLocation(),
+                            path = soundJson["name"].unsafeCast<String>().getSoundLocation(),
                             volume = soundJson["volume"]?.unsafeCast<Double>()?.toFloat() ?: 1.0f,
                             pitch = soundJson["pitch"]?.unsafeCast<Double>()?.toFloat() ?: 1.0f,
                             weight = soundJson["weight"]?.toInt() ?: 1,
@@ -253,7 +253,7 @@ class AudioPlayer(
             this.sounds[soundEvent] = SoundList(
                 soundEvent = soundEvent,
                 sounds = sounds.toSet(),
-                subTitle = json["subtitle"]?.nullCast<String>()?.let { ResourceLocation(ProtocolDefinition.DEFAULT_NAMESPACE, it) },
+                subTitle = json["subtitle"].nullCast<String>()?.let { ResourceLocation(ProtocolDefinition.DEFAULT_NAMESPACE, it) },
             )
         }
     }

src/main/java/de/bixilon/minosoft/modding/event/events/CollectItemAnimationEvent.kt

@@ -27,5 +27,5 @@ class CollectItemAnimationEvent(
     val count: Int,
 ) : PlayConnectionEvent(connection, initiator), CancelableEvent {
 
-    constructor(connection: PlayConnection, packet: ItemCollectAnimationS2CP) : this(connection, EventInitiators.SERVER, connection.world.entities[packet.itemEntityId]!!.unsafeCast<Entity>(), connection.world.entities[packet.collectorEntityId]!!.unsafeCast<LivingEntity>(), packet.count)
+    constructor(connection: PlayConnection, packet: ItemCollectAnimationS2CP) : this(connection, EventInitiators.SERVER, connection.world.entities[packet.itemEntityId].unsafeCast<Entity>(), connection.world.entities[packet.collectorEntityId].unsafeCast<LivingEntity>(), packet.count)
 }

src/main/java/de/bixilon/minosoft/protocol/packets/s2c/play/BlockEntityMetaDataS2CP.kt

@@ -21,7 +21,7 @@ import de.bixilon.minosoft.protocol.protocol.ProtocolVersions
 import de.bixilon.minosoft.util.logging.Log
 import de.bixilon.minosoft.util.logging.LogLevels
 import de.bixilon.minosoft.util.logging.LogMessageType
-import de.bixilon.minosoft.util.nbt.tag.NBTUtil.compoundCast
+import de.bixilon.minosoft.util.nbt.tag.NBTUtil.asCompound
 import glm_.vec3.Vec3i
 
 class BlockEntityMetaDataS2CP(buffer: PlayInByteBuffer) : PlayS2CPacket() {
@@ -31,7 +31,7 @@ class BlockEntityMetaDataS2CP(buffer: PlayInByteBuffer) : PlayS2CPacket() {
         buffer.readBlockPosition()
     }
     val type = buffer.connection.registries.blockEntityMetaDataTypeRegistry[buffer.readUnsignedByte()].resourceLocation
-    val nbt = buffer.readNBT()?.compoundCast()!!
+    val nbt = buffer.readNBT().asCompound()
 
     override fun handle(connection: PlayConnection) {
         connection.fireEvent(BlockEntityMetaDataChangeEvent(connection, this))

src/main/java/de/bixilon/minosoft/protocol/packets/s2c/play/ChunkDataS2CP.kt

@@ -26,13 +26,14 @@ import de.bixilon.minosoft.protocol.network.connection.PlayConnection
 import de.bixilon.minosoft.protocol.packets.s2c.PlayS2CPacket
 import de.bixilon.minosoft.protocol.protocol.PlayInByteBuffer
 import de.bixilon.minosoft.protocol.protocol.ProtocolVersions
-import de.bixilon.minosoft.util.KUtil.nullCast
 import de.bixilon.minosoft.util.KUtil.toInt
+import de.bixilon.minosoft.util.KUtil.unsafeCast
 import de.bixilon.minosoft.util.Util
 import de.bixilon.minosoft.util.chunk.ChunkUtil
 import de.bixilon.minosoft.util.logging.Log
 import de.bixilon.minosoft.util.logging.LogLevels
 import de.bixilon.minosoft.util.logging.LogMessageType
+import de.bixilon.minosoft.util.nbt.tag.NBTUtil.asCompound
 import de.bixilon.minosoft.util.nbt.tag.NBTUtil.compoundCast
 import glm_.vec2.Vec2i
 import glm_.vec3.Vec3i
@@ -107,9 +108,9 @@ class ChunkDataS2CP(buffer: PlayInByteBuffer) : PlayS2CPacket() {
             if (buffer.versionId >= ProtocolVersions.V_1_9_4) {
                 val blockEntitiesCount = buffer.readVarInt()
                 for (i in 0 until blockEntitiesCount) {
-                    val nbt = buffer.readNBT()?.compoundCast()!!
+                    val nbt = buffer.readNBT().asCompound()
-                    val position = Vec3i(nbt["x"]?.toInt()!!, nbt["y"]?.toInt()!!, nbt["z"]?.toInt()!!)
+                    val position = Vec3i(nbt["x"]!!.toInt(), nbt["y"]!!.toInt(), nbt["z"]!!.toInt())
-                    val resourceLocation = ResourceLocation(nbt["id"]?.nullCast<String>()!!).fix()
+                    val resourceLocation = ResourceLocation(nbt["id"].unsafeCast<String>()).fix()
                     val type = buffer.connection.registries.blockEntityTypeRegistry[resourceLocation] ?: let {
                         Log.log(LogMessageType.NETWORK_PACKETS_IN, level = LogLevels.WARN) { "Unknown block entity: $resourceLocation" }
                         null

src/main/java/de/bixilon/minosoft/protocol/packets/s2c/play/JoinGameS2CP.kt

@@ -32,10 +32,11 @@ import de.bixilon.minosoft.protocol.protocol.PlayOutByteBuffer
 import de.bixilon.minosoft.protocol.protocol.ProtocolVersions
 import de.bixilon.minosoft.protocol.protocol.ProtocolVersions.V_20W27A
 import de.bixilon.minosoft.util.BitByte
-import de.bixilon.minosoft.util.KUtil.nullCast
+import de.bixilon.minosoft.util.KUtil.unsafeCast
 import de.bixilon.minosoft.util.logging.Log
 import de.bixilon.minosoft.util.logging.LogLevels
 import de.bixilon.minosoft.util.logging.LogMessageType
+import de.bixilon.minosoft.util.nbt.tag.NBTUtil.asCompound
 import de.bixilon.minosoft.util.nbt.tag.NBTUtil.compoundCast
 import de.bixilon.minosoft.util.nbt.tag.NBTUtil.listCast
 import de.bixilon.minosoft.util.task.time.TimeWorker
@@ -97,7 +98,7 @@ class JoinGameS2CP(buffer: PlayInByteBuffer) : PlayS2CPacket() {
             if (buffer.versionId < ProtocolVersions.V_20W21A) {
                 dimension = buffer.connection.registries.dimensionRegistry[buffer.readInt()]
             } else {
-                val dimensionCodec = buffer.readNBT()?.compoundCast()!!
+                val dimensionCodec = buffer.readNBT().asCompound()
                 dimensions = parseDimensionCodec(dimensionCodec, buffer.versionId)
                 if (buffer.versionId < ProtocolVersions.V_1_16_2_PRE3) {
                     dimension = dimensions[buffer.readResourceLocation()]!!
@@ -175,12 +176,12 @@ class JoinGameS2CP(buffer: PlayInByteBuffer) : PlayS2CPacket() {
                 "key"
             } else {
                 "name"
-            }]?.nullCast<String>()!!)
+            }].unsafeCast<String>())
             val dimensionPropertyTag = if (versionId < ProtocolVersions.V_1_16_PRE3 || versionId >= ProtocolVersions.V_1_16_2_PRE1) {
-                tag["element"]?.compoundCast()!!
+                tag["element"].asCompound()
             } else {
-                tag.compoundCast()
+                tag.asCompound()
-            }!!
+            }
             dimensionMap[dimensionResourceLocation] = Dimension.deserialize(null, dimensionResourceLocation, dimensionPropertyTag)
         }
         return dimensionMap

src/main/java/de/bixilon/minosoft/protocol/packets/s2c/play/NBTQueryResponseS2CP.kt

@@ -17,11 +17,11 @@ import de.bixilon.minosoft.protocol.protocol.PlayInByteBuffer
 import de.bixilon.minosoft.util.logging.Log
 import de.bixilon.minosoft.util.logging.LogLevels
 import de.bixilon.minosoft.util.logging.LogMessageType
-import de.bixilon.minosoft.util.nbt.tag.NBTUtil.compoundCast
+import de.bixilon.minosoft.util.nbt.tag.NBTUtil.asCompound
 
 class NBTQueryResponseS2CP(buffer: PlayInByteBuffer) : PlayS2CPacket() {
     val transactionId: Int = buffer.readVarInt()
-    val nbt: Map<String, Any> = buffer.readNBT()?.compoundCast()!!
+    val nbt: Map<String, Any> = buffer.readNBT().asCompound()
 
     override fun log() {
         Log.log(LogMessageType.NETWORK_PACKETS_IN, level = LogLevels.VERBOSE) { "NBT query response (transactionId=$transactionId nbt=$nbt)" }

src/main/java/de/bixilon/minosoft/util/GitInfo.kt

@@ -77,32 +77,32 @@ object GitInfo {
         try {
             val dateFormat: DateFormat = SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ssZZZZZ")
             val json = Minosoft.MINOSOFT_ASSETS_MANAGER.readJsonAsset(ResourceLocation(ProtocolDefinition.MINOSOFT_NAMESPACE, "git.json"))
-            GIT_BRANCH = json["git.branch"]!!.unsafeCast()
+            GIT_BRANCH = json["git.branch"].unsafeCast()
-            GIT_BUILD_HOST_BRANCH = json["git.build.host"]!!.unsafeCast()
+            GIT_BUILD_HOST_BRANCH = json["git.build.host"].unsafeCast()
-            GIT_BUILD_TIME = dateFormat.parse(json["git.build.time"]!!.unsafeCast()).time
+            GIT_BUILD_TIME = dateFormat.parse(json["git.build.time"].unsafeCast()).time
-            GIT_BUILD_USER_EMAIL = json["git.build.user.email"]!!.unsafeCast()
+            GIT_BUILD_USER_EMAIL = json["git.build.user.email"].unsafeCast()
-            GIT_BUILD_USER_NAME = json["git.build.user.name"]!!.unsafeCast()
+            GIT_BUILD_USER_NAME = json["git.build.user.name"].unsafeCast()
-            GIT_BUILD_VERSION = json["git.build.version"]!!.unsafeCast()
+            GIT_BUILD_VERSION = json["git.build.version"].unsafeCast()
-            GIT_CLOSEST_TAG_COMMIT_COUNT = json["git.closest.tag.commit.count"]!!.unsafeCast()
+            GIT_CLOSEST_TAG_COMMIT_COUNT = json["git.closest.tag.commit.count"].unsafeCast()
-            GIT_CLOSEST_TAG_NAME = json["git.closest.tag.name"]!!.unsafeCast()
+            GIT_CLOSEST_TAG_NAME = json["git.closest.tag.name"].unsafeCast()
-            GIT_COMMIT_ID = json["git.commit.id"]!!.unsafeCast()
+            GIT_COMMIT_ID = json["git.commit.id"].unsafeCast()
-            GIT_COMMIT_ID_ABBREV = json["git.commit.id.abbrev"]!!.unsafeCast()
+            GIT_COMMIT_ID_ABBREV = json["git.commit.id.abbrev"].unsafeCast()
-            GIT_COMMIT_ID_DESCRIBE = json["git.commit.id.describe"]!!.unsafeCast()
+            GIT_COMMIT_ID_DESCRIBE = json["git.commit.id.describe"].unsafeCast()
-            GIT_COMMIT_ID_DESCRIBE_SHORT = json["git.commit.id.describe-short"]!!.unsafeCast()
+            GIT_COMMIT_ID_DESCRIBE_SHORT = json["git.commit.id.describe-short"].unsafeCast()
-            GIT_COMMIT_MESSAGE_FULL = json["git.commit.message.full"]!!.unsafeCast()
+            GIT_COMMIT_MESSAGE_FULL = json["git.commit.message.full"].unsafeCast()
-            GIT_COMMIT_MESSAGE_SHORT = json["git.commit.message.short"]!!.unsafeCast()
+            GIT_COMMIT_MESSAGE_SHORT = json["git.commit.message.short"].unsafeCast()
-            GIT_COMMIT_TIME = dateFormat.parse(json["git.commit.time"]!!.unsafeCast()).time
+            GIT_COMMIT_TIME = dateFormat.parse(json["git.commit.time"].unsafeCast()).time
-            GIT_COMMIT_USER_EMAIL = json["git.commit.user.email"]!!.unsafeCast()
+            GIT_COMMIT_USER_EMAIL = json["git.commit.user.email"].unsafeCast()
-            GIT_COMMIT_USER_NAME = json["git.commit.user.name"]!!.unsafeCast()
+            GIT_COMMIT_USER_NAME = json["git.commit.user.name"].unsafeCast()
             GIT_DIRTY = json["git.dirty"]!!.booleanCast()
-            GIT_LOCAL_BRANCH_AHEAD = json["git.local.branch.ahead"]!!.unsafeCast()
+            GIT_LOCAL_BRANCH_AHEAD = json["git.local.branch.ahead"].unsafeCast()
-            GIT_LOCAL_BRANCH_BEHIND = json["git.local.branch.behind"]!!.unsafeCast()
+            GIT_LOCAL_BRANCH_BEHIND = json["git.local.branch.behind"].unsafeCast()
-            GIT_TAGS = if (json["git.tags"]!!.unsafeCast<String>().isBlank()) {
+            GIT_TAGS = if (json["git.tags"].unsafeCast<String>().isBlank()) {
                 0
             } else {
-                json["git.tags"]!!.unsafeCast()
+                json["git.tags"].unsafeCast()
             }
-            GIT_TOTAL_COMMIT_COUNT = json["git.total.commit.count"]!!.unsafeCast()
+            GIT_TOTAL_COMMIT_COUNT = json["git.total.commit.count"].unsafeCast()
 
             IS_INITIALIZED = true
         } catch (exception: Throwable) {

src/main/java/de/bixilon/minosoft/util/KUtil.kt

@@ -17,7 +17,9 @@ import com.squareup.moshi.JsonAdapter
 import com.squareup.moshi.JsonWriter
 import de.bixilon.minosoft.data.entities.entities.Entity
 import de.bixilon.minosoft.data.registries.ResourceLocation
+import de.bixilon.minosoft.data.text.ChatColors
 import de.bixilon.minosoft.data.text.ChatComponent
+import de.bixilon.minosoft.data.text.TextComponent
 import de.bixilon.minosoft.data.text.TextFormattable
 import de.bixilon.minosoft.protocol.network.connection.PlayConnection
 import de.bixilon.minosoft.protocol.protocol.ProtocolDefinition
@@ -55,11 +57,12 @@ object KUtil {
         return BitSet.valueOf(longArrayOf(long))
     }
 
-    fun <T> Any.unsafeCast(): T {
+    @Suppress("UNCHECKED_CAST")
+    fun <T> Any?.unsafeCast(): T {
         return this as T
     }
 
-    inline fun <reified T> Any.nullCast(): T? {
+    inline fun <reified T> Any?.nullCast(): T? {
         if (this is T) {
             return this
         }
@@ -179,11 +182,11 @@ object KUtil {
         val map: MutableMap<K, V> = mutableMapOf()
 
         for ((key, value) in this) {
-            map[key] = value as V
+            map[key] = value.unsafeCast()
         }
 
         for (pair in pairs) {
-            map[pair.first] = pair.second as V
+            map[pair.first] = pair.second.unsafeCast()
         }
         return map.toMap()
     }
@@ -192,39 +195,31 @@ object KUtil {
         val list: MutableList<V> = mutableListOf()
 
         for (value in this) {
-            list += value as V
+            list += value.unsafeCast<V>()
         }
 
         for (value in values) {
-            list += value as V
+            list += value.unsafeCast<V>()
         }
         return list.toList()
     }
 
     fun Any?.format(): ChatComponent {
         return ChatComponent.of(when (this) {
-            null -> "§4null"
+            null -> TextComponent("null").color(ChatColors.DARK_RED)
             is TextFormattable -> this.toText()
-            is Boolean -> {
+            is Boolean -> TextComponent(this.toString()).color(this.decide(ChatColors.GREEN, ChatColors.RED))
-                if (this) {
-                    "§atrue"
-                } else {
-                    "§cfalse"
-                }
-            }
             is Enum<*> -> {
                 val name = this.name
-                "§e" + if (name.length == 1) {
+                TextComponent(if (name.length == 1) {
                     name
                 } else {
                     name.lowercase()
-                }
+                }).color(ChatColors.YELLOW)
             }
             is Float -> "§d%.3f".format(this)
             is Double -> "§d%.4f".format(this)
-            is Number -> {
+            is Number -> TextComponent(this).color(ChatColors.LIGHT_PURPLE)
-                "§d$this"
-            }
             is Vec3t<*> -> "(${this.x.format()} ${this.y.format()} ${this.z.format()})"
             is Vec2t<*> -> "(${this.x.format()} ${this.y.format()})"
             else -> this.toString()

src/main/java/de/bixilon/minosoft/util/json/ResourceLocationJsonMap.kt

@@ -15,6 +15,7 @@ package de.bixilon.minosoft.util.json
 
 import com.google.gson.JsonObject
 import de.bixilon.minosoft.data.registries.ResourceLocation
+import de.bixilon.minosoft.util.KUtil.unsafeCast
 
 object ResourceLocationJsonMap {
 
@@ -34,7 +35,7 @@ object ResourceLocationJsonMap {
         val ret: MutableMap<ResourceLocation, Any> = mutableMapOf()
 
         for ((key, value) in this) {
-            ret[ResourceLocation(key as String)] = value as Any
+            ret[ResourceLocation(key.unsafeCast<String>())] = value.unsafeCast<Any>()
         }
 
         return ret

src/main/java/de/bixilon/minosoft/util/nbt/tag/NBTUtil.kt

@@ -27,7 +27,7 @@ object NBTUtil {
         return null
     }
 
-    fun Any.compoundCast(): MutableMap<String, Any>? {
+    fun Any?.compoundCast(): MutableMap<String, Any>? {
         try {
             return this as MutableMap<String, Any>
         } catch (ignored: ClassCastException) {
@@ -35,6 +35,10 @@ object NBTUtil {
         return null
     }
 
+    fun Any?.asCompound(): MutableMap<String, Any> {
+        return this.compoundCast()!!
+    }
+
     fun <T> Any.listCast(): MutableList<T>? {
         try {
             return this as MutableList<T>
@@ -44,12 +48,12 @@ object NBTUtil {
     }
 
     fun Any.booleanCast(): Boolean {
-        if (this is Number) {
-            return this.toInt() == 0x01
-        }
         if (this is Boolean) {
             return this
         }
+        if (this is Number) {
+            return this.toInt() == 0x01
+        }
         TODO()
     }