Add own RGBColor class

uranos-api/src/main/kotlin/space/uranos/chat/ChatColor.kt

@@ -7,6 +7,7 @@ package space.uranos.chat
 
 import com.squareup.moshi.FromJson
 import com.squareup.moshi.ToJson
+import space.uranos.util.RGBColor
 
 @Suppress("ClassName")
 sealed class ChatColor(val stringRepresentation: String) {
@@ -27,19 +28,12 @@ sealed class ChatColor(val stringRepresentation: String) {
     object YELLOW : ChatColor("yellow")
     object WHITE : ChatColor("white")
 
-    class Hex(code: String) : ChatColor("#" + code.removePrefix("#")) {
-        val code = toString()
-
-        init {
-            if (!HEX_COLOR_REGEX.matches(code)) throw IllegalArgumentException("code is not a valid hexadecimal color")
-        }
-    }
+    class Custom(color: RGBColor) :
+        ChatColor("#${color.rgb.toString(16).padStart(6, '0')}")
 
     override fun toString(): String = stringRepresentation
 
     companion object {
-        private val HEX_COLOR_REGEX = Regex("^#(?:[0-9a-fA-F]{3}){1,2}\$")
-
         val NAMED_COLORS by lazy {
             setOf(
                 BLACK,
@@ -62,12 +56,10 @@ sealed class ChatColor(val stringRepresentation: String) {
         }
 
         fun fromString(value: String): ChatColor =
-            if (value.startsWith("#")) Hex(value)
-            else try {
-                NAMED_COLORS.getValue(value)
-            } catch (e: NoSuchElementException) {
-                throw IllegalArgumentException("There is no color named '${value}'")
-            }
+            run {
+                if (value.startsWith("#")) RGBColor.fromString(value.removePrefix("#"))?.let { Custom(it) }
+                else NAMED_COLORS[value]
+            } ?: throw IllegalArgumentException("There is no color named '${value}'")
     }
 
     object JSONAdapter {
@@ -78,5 +70,3 @@ sealed class ChatColor(val stringRepresentation: String) {
         fun fromJson(value: String) = fromString(value)
     }
 }
-
-val String.color get() = ChatColor.fromString(this)

uranos-api/src/main/kotlin/space/uranos/util/RGBColor.kt

@@ -0,0 +1,32 @@
+/*
+ * Copyright 2020-2021 Moritz Ruth and Uranos contributors
+ * Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file
+ */
+
+package space.uranos.util
+
+class RGBColor(rgb: Int) {
+    val rgb = rgb and 0xFFFFFF
+
+    constructor(
+        red: UByte,
+        green: UByte,
+        blue: UByte
+    ) : this((red.toInt() shl 16) and (green.toInt() shl 8) and blue.toInt())
+
+    constructor(javaColor: java.awt.Color) : this(javaColor.rgb)
+
+    val red: UByte by lazy { ((rgb and 0xFF0000) shr 16).toUByte() }
+    val green: UByte by lazy { ((rgb and 0x00FF00) shr 8).toUByte() }
+    val blue: UByte by lazy { (rgb and 0x0000FF).toUByte() }
+
+    override fun toString() = "0x${rgb.toString(16).toUpperCase().padStart(6, '0')}"
+
+    override fun equals(other: Any?): Boolean = (other == this) || (other is RGBColor && other.rgb == this.rgb)
+    override fun hashCode(): Int = rgb
+
+    companion object {
+        fun fromString(string: String): RGBColor? =
+            runCatching { string.removePrefix("0x").toInt(16) }.getOrNull()?.let { RGBColor(it) }
+    }
+}

uranos-api/src/main/kotlin/space/uranos/world/Biome.kt

@@ -6,15 +6,15 @@
 package space.uranos.world
 
 import space.uranos.RegistryItem
-import java.awt.Color
+import space.uranos.util.RGBColor
 
 data class Biome(
     override val id: String,
     val precipitation: Precipitation,
-    val skyColor: Color, // TODO: Maybe replace with an own color class
-    val waterFogColor: Color,
-    val fogColor: Color,
-    val waterColor: Color,
+    val skyColor: RGBColor,
+    val waterFogColor: RGBColor,
+    val fogColor: RGBColor,
+    val waterColor: RGBColor,
     val moodSound: MoodSound,
     /**
      * Has an effect on grass and foliage color
@@ -60,10 +60,10 @@ data class Biome(
         val PLAINS = Biome(
             "minecraft:plains",
             Precipitation.RAIN,
-            Color(7907327),
-            Color(329011),
-            Color(12638463),
-            Color(4159204),
+            RGBColor(7907327),
+            RGBColor(329011),
+            RGBColor(12638463),
+            RGBColor(4159204),
             MoodSound(
                 6000,
                 2.0,

uranos-packet-codecs/src/main/kotlin/space/uranos/net/packet/play/ChunkLightDataPacketCodec.kt

@@ -11,11 +11,9 @@ import space.uranos.net.packet.OutgoingPacketCodec
 import space.uranos.util.checkBit
 import space.uranos.util.setBit
 
-// TODO: Implement partial updates
 object ChunkLightDataPacketCodec : OutgoingPacketCodec<ChunkLightDataPacket>(0x23, ChunkLightDataPacket::class) {
     private const val OUTSIDE_SECTIONS_MASK = 0b100000000000000001
 
-    @OptIn(ExperimentalUnsignedTypes::class)
     override fun ChunkLightDataPacket.encode(dst: ByteBuf) {
         dst.writeVarInt(key.x)
         dst.writeVarInt(key.z)

uranos-packet-codecs/src/main/kotlin/space/uranos/net/packet/play/DeclareRecipesPacketCodec.kt

@@ -12,8 +12,5 @@ import space.uranos.net.packet.OutgoingPacketCodec
 object DeclareRecipesPacketCodec : OutgoingPacketCodec<DeclareRecipesPacket>(0x5A, DeclareRecipesPacket::class) {
     override fun DeclareRecipesPacket.encode(dst: ByteBuf) {
         dst.writeVarInt(recipes.size)
-        for (recipe in recipes) {
-            // TODO
-        }
     }
 }