progress on using pure component in paper

nms/nms-common/build.gradle.kts

@@ -1,10 +1,35 @@
+import org.jetbrains.kotlin.gradle.dsl.JvmTarget
+
 group = rootProject.group
 version = rootProject.version
 
+plugins {
+    id("io.papermc.paperweight.userdev")
+}
+
 dependencies {
-    // Spigot api
-    compileOnly("org.spigotmc:spigot-api:1.18-R0.1-SNAPSHOT")
+    // Used for nms
+    paperweight.paperDevBundle("1.21.10-R0.1-SNAPSHOT")
 
     // Protocolib
     compileOnly("net.dmulloy2:ProtocolLib:5.4.0")
-}
+}
+
+repositories {
+    maven("https://repo.papermc.io/repository/maven-public/")
+}
+
+// Set target version
+tasks.withType<JavaCompile>().configureEach {
+    sourceCompatibility = "21"
+    targetCompatibility = "21"
+
+    options.encoding = "UTF-8"
+}
+
+kotlin {
+    compilerOptions {
+        apiVersion.set(org.jetbrains.kotlin.gradle.dsl.KotlinVersion.KOTLIN_2_0)
+        jvmTarget.set(JvmTarget.JVM_21)
+    }
+}

nms/nms-common/src/main/kotlin/xyz/alexcrea/cuanvil/dependency/util/PaperSpigtUtil.kt

@@ -0,0 +1,102 @@
+package xyz.alexcrea.cuanvil.dependency.util
+
+import net.kyori.adventure.text.Component
+import net.kyori.adventure.text.serializer.legacy.LegacyComponentSerializer
+import org.bukkit.inventory.ItemStack
+import org.bukkit.inventory.meta.ItemMeta
+
+// Mostly made for paper, spigot and folia support
+@Suppress("DEPRECATION")
+object PlatformUtil {
+
+    private fun hasClass(className: String): Boolean {
+        try {
+            Class.forName(className)
+            return true
+        } catch (_: ClassNotFoundException) {
+            return false
+        }
+    }
+
+    private fun hasMethod(clazz: Class<*>, name: String, vararg parameterTypes: Class<*>): Boolean {
+        try {
+            clazz.getDeclaredMethod(name, *parameterTypes)
+            return true
+        } catch (_: NoSuchMethodException) {
+            return false
+        }
+    }
+
+    val isPaper = hasClass("com.destroystokyo.paper.PaperConfig") ||
+            hasClass("io.papermc.paper.configuration.Configuration")
+
+    val isFolia = hasClass("io.papermc.paper.threadedregions.RegionizedServer")
+
+    private val legacy_mm = LegacyComponentSerializer.legacySection()
+
+    // Lore
+    fun ItemMeta.componentLore(): MutableList<Component> {
+        val lore: List<Component>?
+        if(isPaper){
+            lore = this.lore()
+        } else {
+            val legacyLores = this.lore ?: return ArrayList()
+
+            lore = ArrayList(legacyLores.size)
+            for (legacyLore in legacyLores) {
+                lore.add(legacy_mm.deserialize(legacyLore))
+            }
+        }
+
+        return lore ?: ArrayList()
+    }
+
+    fun ItemMeta.setComponentLore(lore: List<Component?>) {
+        if(isPaper){
+            this.lore(lore)
+        } else {
+            val legacyLore = ArrayList<String?>(lore.size)
+            for (component in lore) {
+                legacyLore.add(if(component == null) null
+                else legacy_mm.serialize(component))
+            }
+
+            this.lore = legacyLore
+        }
+    }
+
+    // Display name
+    private val useCustomName = hasMethod(ItemStack::class.java, "customName")
+
+    fun ItemMeta.componentDisplayName(): Component? {
+        if(useCustomName){
+            if(!this.hasCustomName()) return null
+            return this.customName()
+        }else if(isPaper){
+            if(!this.hasDisplayName()) return null
+            return this.displayName()
+        } else {
+            if(!this.hasDisplayName()) return null
+
+            val legacy = this.displayName
+            return legacy_mm.deserialize(legacy)
+        }
+    }
+
+    fun ItemMeta.setComponentDisplayName(component: Component?) {
+        if(useCustomName){
+            this.customName(component)
+        }else if(isPaper){
+            this.displayName(component)
+        } else {
+            if(component == null){
+                this.setDisplayName(null)
+                return
+            }
+
+            val legacy = legacy_mm.serialize(component)
+            this.setDisplayName(legacy)
+        }
+    }
+
+}