Added a FireworkBuilder

src/main/kotlin/net/axay/kspigot/utils/KSpigotFirework.kt

@@ -0,0 +1,66 @@
+@file:Suppress("MemberVisibilityCanBePrivate")
+
+package net.axay.kspigot.utils
+
+import org.bukkit.Color
+import org.bukkit.FireworkEffect
+import org.bukkit.inventory.meta.FireworkMeta
+
+object KSpigotFirework {
+
+    inline fun buildFireworkMeta(fireworkMeta: FireworkMeta, builder: KSpigotFireworkBuilder.() -> Unit): FireworkMeta {
+        return KSpigotFireworkBuilder().apply(builder).applyTo(fireworkMeta)
+    }
+
+    fun FireworkMeta.build(builder: KSpigotFireworkBuilder.() -> Unit) = buildFireworkMeta(this, builder)
+
+}
+
+class KSpigotFireworkBuilder {
+
+    val effects = ArrayList<FireworkEffect>()
+
+    var power: Int? = null
+
+    inline fun effect(builder: KSpigotFireworkEffectBuilder.() -> Unit) {
+        effects += KSpigotFireworkEffectBuilder().apply(builder).build()
+    }
+
+    fun applyTo(fireworkMeta: FireworkMeta): FireworkMeta {
+
+        fireworkMeta.addEffects(effects)
+
+        power?.let { fireworkMeta.power = it }
+
+        return fireworkMeta
+    }
+
+}
+
+class KSpigotFireworkEffectBuilder {
+
+    private val fireworkBuilder = FireworkEffect.builder()
+
+    var type: FireworkEffect.Type? = null
+    var trail: Boolean? = null
+    var flicker: Boolean? = null
+
+    fun fade(vararg colors: Color) {
+        fireworkBuilder.withFade(*colors)
+    }
+
+    fun color(vararg colors: Color) {
+        fireworkBuilder.withColor(*colors)
+    }
+
+    fun build(): FireworkEffect {
+
+        type?.let { fireworkBuilder.with(it) }
+        trail?.let { fireworkBuilder.trail(it) }
+        flicker?.let { fireworkBuilder.flicker(it) }
+
+        return fireworkBuilder.build()
+
+    }
+
+}