1 files changed, 114 insertions, 0 deletions
diff --git a/src/main/kotlin/features/texturepack/CustomSkyBlockTextures.kt b/src/main/kotlin/features/texturepack/CustomSkyBlockTextures.kt
new file mode 100644
index 0000000..dec6046
--- /dev/null
+++ b/src/main/kotlin/features/texturepack/CustomSkyBlockTextures.kt
@@ -0,0 +1,114 @@
+package moe.nea.firmament.features.texturepack
+
+import com.mojang.authlib.minecraft.MinecraftProfileTexture
+import com.mojang.authlib.properties.Property
+import org.spongepowered.asm.mixin.injection.callback.CallbackInfoReturnable
+import net.minecraft.block.SkullBlock
+import net.minecraft.client.MinecraftClient
+import net.minecraft.client.render.RenderLayer
+import net.minecraft.client.util.ModelIdentifier
+import net.minecraft.component.type.ProfileComponent
+import net.minecraft.util.Identifier
+import moe.nea.firmament.annotations.Subscribe
+import moe.nea.firmament.events.BakeExtraModelsEvent
+import moe.nea.firmament.events.CustomItemModelEvent
+import moe.nea.firmament.events.TickEvent
+import moe.nea.firmament.features.FirmamentFeature
+import moe.nea.firmament.gui.config.ManagedConfig
+import moe.nea.firmament.util.IdentityCharacteristics
+import moe.nea.firmament.util.item.decodeProfileTextureProperty
+import moe.nea.firmament.util.skyBlockId
+
+object CustomSkyBlockTextures : FirmamentFeature {
+    override val identifier: String
+        get() = "custom-skyblock-textures"
+
+    object TConfig : ManagedConfig(identifier) {
+        val enabled by toggle("enabled") { true }
+        val skullsEnabled by toggle("skulls-enabled") { true }
+        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
+        get() = TConfig
+
+    @Subscribe
+    fun onTick(it: TickEvent) {
+        if (TConfig.cacheDuration < 1 || it.tickCount % TConfig.cacheDuration == 0) {
+            // TODO: unify all of those caches somehow
+            CustomItemModelEvent.clearCache()
+            skullTextureCache.clear()
+            CustomGlobalTextures.overrideCache.clear()
+            CustomGlobalArmorOverrides.overrideCache.clear()
+        }
+    }
+
+    @Subscribe
+    fun bakeCustomFirmModels(event: BakeExtraModelsEvent) {
+        val resources =
+            MinecraftClient.getInstance().resourceManager.findResources("models/item"
+            ) { it: Identifier ->
+                "firmskyblock" == it.namespace && it.path
+                    .endsWith(".json")
+            }
+        for (identifier in resources.keys) {
+            val modelId = ModelIdentifier.ofInventoryVariant(
+                Identifier.of(
+                    "firmskyblock",
+                    identifier.path.substring(
+                        "models/item/".length,
+                        identifier.path.length - ".json".length),
+                ))
+            event.addItemModel(modelId)
+        }
+    }
+
+    @Subscribe
+    fun onCustomModelId(it: CustomItemModelEvent) {
+        if (!TConfig.enabled) return
+        val id = it.itemStack.skyBlockId ?: return
+        it.overrideModel = ModelIdentifier.ofInventoryVariant(Identifier.of("firmskyblock", id.identifier.path))
+    }
+
+    private val skullTextureCache = mutableMapOf<IdentityCharacteristics<ProfileComponent>, Any>()
+    private val sentinelPresentInvalid = Object()
+
+    private val mcUrlRegex = "https?://textures.minecraft.net/texture/([a-fA-F0-9]+)".toRegex()
+
+    fun getSkullId(textureProperty: Property): String? {
+        val texture = decodeProfileTextureProperty(textureProperty) ?: return null
+        val textureUrl =
+            texture.textures[MinecraftProfileTexture.Type.SKIN]?.url ?: return null
+        val mcUrlData = mcUrlRegex.matchEntire(textureUrl) ?: return null
+        return mcUrlData.groupValues[1]
+    }
+
+    fun getSkullTexture(profile: ProfileComponent): Identifier? {
+        val id = getSkullId(profile.properties["textures"].firstOrNull() ?: return null) ?: return null
+        return Identifier.of("firmskyblock", "textures/placedskull/$id.png")
+    }
+
+    fun modifySkullTexture(
+        type: SkullBlock.SkullType?,
+        component: ProfileComponent?,
+        cir: CallbackInfoReturnable<RenderLayer>
+    ) {
+        if (type != SkullBlock.Type.PLAYER) return
+        if (!TConfig.skullsEnabled) return
+        if (component == null) return
+        val ic = IdentityCharacteristics(component)
+
+        val n = skullTextureCache.getOrPut(ic) {
+            val id = getSkullTexture(component) ?: return@getOrPut sentinelPresentInvalid
+            if (!MinecraftClient.getInstance().resourceManager.getResource(id).isPresent) {
+                return@getOrPut sentinelPresentInvalid
+            }
+            return@getOrPut id
+        }
+        if (n === sentinelPresentInvalid) return
+        cir.returnValue = RenderLayer.getEntityTranslucent(n as Identifier)
+    }
+}