Add custom block textures

7 files changed, 327 insertions, 10 deletions

diff --git a/src/main/kotlin/moe/nea/firmament/events/BakeExtraModelsEvent.kt b/src/main/kotlin/moe/nea/firmament/events/BakeExtraModelsEvent.kt
index db073e3..f75bedc 100644
--- a/src/main/kotlin/moe/nea/firmament/events/BakeExtraModelsEvent.kt
+++ b/src/main/kotlin/moe/nea/firmament/events/BakeExtraModelsEvent.kt
@@ -5,11 +5,16 @@ import java.util.function.Consumer
 import net.minecraft.client.util.ModelIdentifier
 
 class BakeExtraModelsEvent(
-    private val addModel: Consumer<ModelIdentifier>,
+    private val addItemModel: Consumer<ModelIdentifier>,
+    private val addAnyModel: Consumer<ModelIdentifier>,
 ) : FirmamentEvent() {
 
-    fun addModel(modelIdentifier: ModelIdentifier) {
-        this.addModel.accept(modelIdentifier)
+    fun addNonItemModel(modelIdentifier: ModelIdentifier) {
+        this.addAnyModel.accept(modelIdentifier)
+    }
+
+    fun addItemModel(modelIdentifier: ModelIdentifier) {
+        this.addItemModel.accept(modelIdentifier)
     }
 
     companion object : FirmamentEventBus<BakeExtraModelsEvent>()
diff --git a/src/main/kotlin/moe/nea/firmament/features/texturepack/CustomBlockTextures.kt b/src/main/kotlin/moe/nea/firmament/features/texturepack/CustomBlockTextures.kt
new file mode 100644
index 0000000..2289be2
--- /dev/null
+++ b/src/main/kotlin/moe/nea/firmament/features/texturepack/CustomBlockTextures.kt
@@ -0,0 +1,277 @@
+@file:UseSerializers(BlockPosSerializer::class, IdentifierSerializer::class)
+
+package moe.nea.firmament.features.texturepack
+
+import java.util.concurrent.CompletableFuture
+import kotlinx.serialization.ExperimentalSerializationApi
+import kotlinx.serialization.KSerializer
+import kotlinx.serialization.Serializable
+import kotlinx.serialization.Transient
+import kotlinx.serialization.UseSerializers
+import kotlinx.serialization.descriptors.SerialDescriptor
+import kotlinx.serialization.encoding.Decoder
+import kotlinx.serialization.encoding.Encoder
+import kotlinx.serialization.json.JsonDecoder
+import kotlinx.serialization.json.JsonElement
+import kotlinx.serialization.json.JsonPrimitive
+import kotlinx.serialization.serializer
+import kotlin.jvm.optionals.getOrNull
+import net.minecraft.block.Block
+import net.minecraft.block.BlockState
+import net.minecraft.client.render.model.BakedModel
+import net.minecraft.client.util.ModelIdentifier
+import net.minecraft.registry.RegistryKey
+import net.minecraft.registry.RegistryKeys
+import net.minecraft.resource.ResourceManager
+import net.minecraft.resource.SinglePreparationResourceReloader
+import net.minecraft.util.Identifier
+import net.minecraft.util.math.BlockPos
+import net.minecraft.util.profiler.Profiler
+import moe.nea.firmament.Firmament
+import moe.nea.firmament.annotations.Subscribe
+import moe.nea.firmament.events.BakeExtraModelsEvent
+import moe.nea.firmament.events.EarlyResourceReloadEvent
+import moe.nea.firmament.events.FinalizeResourceManagerEvent
+import moe.nea.firmament.events.SkyblockServerUpdateEvent
+import moe.nea.firmament.features.texturepack.CustomGlobalTextures.logger
+import moe.nea.firmament.util.IdentifierSerializer
+import moe.nea.firmament.util.MC
+import moe.nea.firmament.util.SBData
+import moe.nea.firmament.util.SkyBlockIsland
+import moe.nea.firmament.util.json.BlockPosSerializer
+import moe.nea.firmament.util.json.SingletonSerializableList
+
+
+object CustomBlockTextures {
+    @Serializable
+    data class CustomBlockOverride(
+        val modes: @Serializable(SingletonSerializableList::class) List<String>,
+        val area: List<Area>? = null,
+        val replacements: Map<Identifier, Replacement>,
+    )
+
+    @Serializable(with = Replacement.Serializer::class)
+    data class Replacement(
+        val block: Identifier,
+        val sound: Identifier?,
+    ) {
+
+        @Transient
+        val blockModelIdentifier get() = ModelIdentifier(block.withPrefixedPath("block/"), "firmament")
+
+        @Transient
+        val bakedModel: BakedModel by lazy(LazyThreadSafetyMode.NONE) {
+            MC.instance.bakedModelManager.getModel(blockModelIdentifier)
+        }
+
+        @OptIn(ExperimentalSerializationApi::class)
+        @kotlinx.serialization.Serializer(Replacement::class)
+        object DefaultSerializer : KSerializer<Replacement>
+
+        object Serializer : KSerializer<Replacement> {
+            val delegate = serializer<JsonElement>()
+            override val descriptor: SerialDescriptor
+                get() = delegate.descriptor
+
+            override fun deserialize(decoder: Decoder): Replacement {
+                val jsonElement = decoder.decodeSerializableValue(delegate)
+                if (jsonElement is JsonPrimitive) {
+                    require(jsonElement.isString)
+                    return Replacement(Identifier.tryParse(jsonElement.content)!!, null)
+                }
+                return (decoder as JsonDecoder).json.decodeFromJsonElement(DefaultSerializer, jsonElement)
+            }
+
+            override fun serialize(encoder: Encoder, value: Replacement) {
+                encoder.encodeSerializableValue(DefaultSerializer, value)
+            }
+        }
+    }
+
+    @Serializable
+    data class Area(
+        val min: BlockPos,
+        val max: BlockPos,
+    ) {
+        @Transient
+        val realMin = BlockPos(
+            minOf(min.x, max.x),
+            minOf(min.y, max.y),
+            minOf(min.z, max.z),
+        )
+
+        @Transient
+        val realMax = BlockPos(
+            maxOf(min.x, max.x),
+            maxOf(min.y, max.y),
+            maxOf(min.z, max.z),
+        )
+
+        fun roughJoin(other: Area): Area {
+            return Area(
+                BlockPos(
+                    minOf(realMin.x, other.realMin.x),
+                    minOf(realMin.y, other.realMin.y),
+                    minOf(realMin.z, other.realMin.z),
+                ),
+                BlockPos(
+                    maxOf(realMax.x, other.realMax.x),
+                    maxOf(realMax.y, other.realMax.y),
+                    maxOf(realMax.z, other.realMax.z),
+                )
+            )
+        }
+
+        fun contains(blockPos: BlockPos): Boolean {
+            return (blockPos.x in realMin.x..realMax.x) &&
+                (blockPos.y in realMin.y..realMax.y) &&
+                (blockPos.z in realMin.z..realMax.z)
+        }
+    }
+
+    data class LocationReplacements(
+        val lookup: Map<Block, List<BlockReplacement>>
+    )
+
+    data class BlockReplacement(
+        val checks: List<Area>?,
+        val replacement: Replacement,
+    ) {
+        val roughCheck by lazy(LazyThreadSafetyMode.NONE) {
+            if (checks == null || checks.size < 3) return@lazy null
+            checks.reduce { acc, next -> acc.roughJoin(next) }
+        }
+    }
+
+    data class BakedReplacements(val data: Map<SkyBlockIsland, LocationReplacements>)
+
+    var allLocationReplacements: BakedReplacements = BakedReplacements(mapOf())
+    var currentIslandReplacements: LocationReplacements? = null
+
+    fun refreshReplacements() {
+        val location = SBData.skyblockLocation
+        val replacements =
+            if (CustomSkyBlockTextures.TConfig.enableBlockOverrides) location?.let(allLocationReplacements.data::get)
+            else null
+        val lastReplacements = currentIslandReplacements
+        currentIslandReplacements = replacements
+        if (lastReplacements != replacements) {
+            MC.nextTick {
+                MC.worldRenderer.reload()
+            }
+        }
+    }
+
+    fun matchesPosition(replacement: BlockReplacement, blockPos: BlockPos?): Boolean {
+        if (blockPos == null) return true
+        val rc = replacement.roughCheck
+        if (rc != null && !rc.contains(blockPos)) return false
+        val areas = replacement.checks
+        if (areas != null && !areas.any { it.contains(blockPos) }) return false
+        return true
+    }
+
+    @JvmStatic
+    fun getReplacementModel(block: BlockState, blockPos: BlockPos?): BakedModel? {
+        return getReplacement(block, blockPos)?.bakedModel
+    }
+
+    @JvmStatic
+    fun getReplacement(block: BlockState, blockPos: BlockPos?): Replacement? {
+        if (isInFallback() && blockPos == null) return null
+        val replacements = currentIslandReplacements?.lookup?.get(block.block) ?: return null
+        for (replacement in replacements) {
+            if (replacement.checks == null || matchesPosition(replacement, blockPos))
+                return replacement.replacement
+        }
+        return null
+    }
+
+
+    @Subscribe
+    fun onLocation(event: SkyblockServerUpdateEvent) {
+        refreshReplacements()
+    }
+
+    @Volatile
+    var preparationFuture: CompletableFuture<BakedReplacements> = CompletableFuture.completedFuture(BakedReplacements(
+        mapOf()))
+
+    val insideFallbackCall = ThreadLocal.withInitial { 0 }
+
+    @JvmStatic
+    fun enterFallbackCall() {
+        insideFallbackCall.set(insideFallbackCall.get() + 1)
+    }
+
+    fun isInFallback() = insideFallbackCall.get() > 0
+
+    @JvmStatic
+    fun exitFallbackCall() {
+        insideFallbackCall.set(insideFallbackCall.get() - 1)
+    }
+
+    @Subscribe
+    fun onEarlyReload(event: EarlyResourceReloadEvent) {
+        preparationFuture = CompletableFuture
+            .supplyAsync(
+                { prepare(event.resourceManager) }, event.preparationExecutor)
+    }
+
+    @Subscribe
+    fun bakeExtraModels(event: BakeExtraModelsEvent) {
+        preparationFuture.join().data.values
+            .flatMap { it.lookup.values }
+            .flatten()
+            .mapTo(mutableSetOf()) { it.replacement.blockModelIdentifier }
+            .forEach { event.addNonItemModel(it) }
+    }
+
+    private fun prepare(manager: ResourceManager): BakedReplacements {
+        val resources = manager.findResources("overrides/blocks") {
+            it.namespace == "firmskyblock" && it.path.endsWith(".json")
+        }
+        val map = mutableMapOf<SkyBlockIsland, MutableMap<Block, MutableList<BlockReplacement>>>()
+        for ((file, resource) in resources) {
+            val json =
+                Firmament.tryDecodeJsonFromStream<CustomBlockOverride>(resource.inputStream)
+                    .getOrElse { ex ->
+                        logger.error("Failed to load block texture override at $file", ex)
+                        continue
+                    }
+            for (mode in json.modes) {
+                val island = SkyBlockIsland.forMode(mode)
+                val islandMpa = map.getOrPut(island, ::mutableMapOf)
+                for ((blockId, replacement) in json.replacements) {
+                    val block = MC.defaultRegistries.getWrapperOrThrow(RegistryKeys.BLOCK)
+                        .getOptional(RegistryKey.of(RegistryKeys.BLOCK, blockId))
+                        .getOrNull()
+                    if (block == null) {
+                        logger.error("Failed to load block texture override at ${file}: unknown block '$blockId'")
+                        continue
+                    }
+                    val replacements = islandMpa.getOrPut(block.value(), ::mutableListOf)
+                    replacements.add(BlockReplacement(json.area, replacement))
+                }
+            }
+        }
+
+        return BakedReplacements(map.mapValues { LocationReplacements(it.value) })
+    }
+
+
+    @Subscribe
+    fun onStart(event: FinalizeResourceManagerEvent) {
+        event.resourceManager.registerReloader(object :
+                                                   SinglePreparationResourceReloader<BakedReplacements>() {
+            override fun prepare(manager: ResourceManager, profiler: Profiler): BakedReplacements {
+                return preparationFuture.join()
+            }
+
+            override fun apply(prepared: BakedReplacements, manager: ResourceManager, profiler: Profiler?) {
+                allLocationReplacements = prepared
+                refreshReplacements()
+            }
+        })
+    }
+}
diff --git a/src/main/kotlin/moe/nea/firmament/features/texturepack/CustomGlobalTextures.kt b/src/main/kotlin/moe/nea/firmament/features/texturepack/CustomGlobalTextures.kt
index ed5981a..d64c844 100644
--- a/src/main/kotlin/moe/nea/firmament/features/texturepack/CustomGlobalTextures.kt
+++ b/src/main/kotlin/moe/nea/firmament/features/texturepack/CustomGlobalTextures.kt
@@ -78,7 +78,7 @@ object CustomGlobalTextures : SinglePreparationResourceReloader<CustomGlobalText
     fun onBakeModels(event: BakeExtraModelsEvent) {
         for (guiClassOverride in preparationFuture.join().classes) {
             for (override in guiClassOverride.overrides) {
-                event.addModel(ModelIdentifier(override.model, "inventory"))
+                event.addItemModel(ModelIdentifier(override.model, "inventory"))
             }
         }
     }
diff --git a/src/main/kotlin/moe/nea/firmament/features/texturepack/CustomSkyBlockTextures.kt b/src/main/kotlin/moe/nea/firmament/features/texturepack/CustomSkyBlockTextures.kt
index 634d5c0..dec6046 100644
--- a/src/main/kotlin/moe/nea/firmament/features/texturepack/CustomSkyBlockTextures.kt
+++ b/src/main/kotlin/moe/nea/firmament/features/texturepack/CustomSkyBlockTextures.kt
@@ -1,5 +1,3 @@
-
-
 package moe.nea.firmament.features.texturepack
 
 import com.mojang.authlib.minecraft.MinecraftProfileTexture
@@ -31,6 +29,7 @@ object CustomSkyBlockTextures : FirmamentFeature {
         val cacheDuration by integer("cache-duration", 0, 20) { 1 }
         val enableModelOverrides by toggle("model-overrides") { true }
         val enableArmorOverrides by toggle("armor-overrides") { true }
+        val enableBlockOverrides by toggle("block-overrides") { true }
     }
 
     override val config: ManagedConfig
@@ -63,7 +62,7 @@ object CustomSkyBlockTextures : FirmamentFeature {
                         "models/item/".length,
                         identifier.path.length - ".json".length),
                 ))
-            event.addModel(modelId)
+            event.addItemModel(modelId)
         }
     }
 
diff --git a/src/main/kotlin/moe/nea/firmament/util/IdentifierSerializer.kt b/src/main/kotlin/moe/nea/firmament/util/IdentifierSerializer.kt
index feea9e9..65c5b1c 100644
--- a/src/main/kotlin/moe/nea/firmament/util/IdentifierSerializer.kt
+++ b/src/main/kotlin/moe/nea/firmament/util/IdentifierSerializer.kt
@@ -3,6 +3,8 @@ package moe.nea.firmament.util
 
 import kotlinx.serialization.KSerializer
 import kotlinx.serialization.builtins.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
@@ -11,7 +13,7 @@ import net.minecraft.util.Identifier
 object IdentifierSerializer : KSerializer<Identifier> {
     val delegateSerializer = String.serializer()
     override val descriptor: SerialDescriptor
-        get() = SerialDescriptor("Identifier", delegateSerializer.descriptor)
+        get() = PrimitiveSerialDescriptor("Identifier", PrimitiveKind.STRING)
 
     override fun deserialize(decoder: Decoder): Identifier {
         return Identifier.of(decoder.decodeSerializableValue(delegateSerializer))
diff --git a/src/main/kotlin/moe/nea/firmament/util/MC.kt b/src/main/kotlin/moe/nea/firmament/util/MC.kt
index 8935766..b0d3056 100644
--- a/src/main/kotlin/moe/nea/firmament/util/MC.kt
+++ b/src/main/kotlin/moe/nea/firmament/util/MC.kt
@@ -1,11 +1,10 @@
-
-
 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.client.render.WorldRenderer
 import net.minecraft.network.packet.c2s.play.CommandExecutionC2SPacket
 import net.minecraft.registry.BuiltinRegistries
 import net.minecraft.registry.RegistryKeys
@@ -24,6 +23,9 @@ object MC {
             while (true) {
                 inGameHud.chatHud.addMessage(messageQueue.poll() ?: break)
             }
+            while (true) {
+                (nextTickTodos.poll() ?: break).invoke()
+            }
         }
     }
 
@@ -58,7 +60,14 @@ object MC {
             instance.send(block)
     }
 
+    private val nextTickTodos = ConcurrentLinkedQueue<() -> Unit>()
+    fun nextTick(function: () -> Unit) {
+        nextTickTodos.add(function)
+    }
+
+
     inline val resourceManager get() = (instance.resourceManager as ReloadableResourceManagerImpl)
+    inline val worldRenderer: WorldRenderer get() = instance.worldRenderer
     inline val networkHandler get() = player?.networkHandler
     inline val instance get() = MinecraftClient.getInstance()
     inline val keyboard get() = instance.keyboard
diff --git a/src/main/kotlin/moe/nea/firmament/util/json/BlockPosSerializer.kt b/src/main/kotlin/moe/nea/firmament/util/json/BlockPosSerializer.kt
new file mode 100644
index 0000000..144b0a0
--- /dev/null
+++ b/src/main/kotlin/moe/nea/firmament/util/json/BlockPosSerializer.kt
@@ -0,0 +1,25 @@
+package moe.nea.firmament.util.json
+
+import kotlinx.serialization.KSerializer
+import kotlinx.serialization.descriptors.SerialDescriptor
+import kotlinx.serialization.encoding.Decoder
+import kotlinx.serialization.encoding.Encoder
+import kotlinx.serialization.serializer
+import net.minecraft.util.math.BlockPos
+
+object BlockPosSerializer : KSerializer<BlockPos> {
+    val delegate = serializer<List<Int>>()
+
+    override val descriptor: SerialDescriptor
+        get() = SerialDescriptor("BlockPos", delegate.descriptor)
+
+    override fun deserialize(decoder: Decoder): BlockPos {
+        val list = decoder.decodeSerializableValue(delegate)
+        require(list.size == 3)
+        return BlockPos(list[0], list[1], list[2])
+    }
+
+    override fun serialize(encoder: Encoder, value: BlockPos) {
+        encoder.encodeSerializableValue(delegate, listOf(value.x, value.y, value.z))
+    }
+}