1 files changed, 82 insertions, 0 deletions
diff --git a/src/main/kotlin/gui/config/ColourHandler.kt b/src/main/kotlin/gui/config/ColourHandler.kt
new file mode 100644
index 0000000..7d121ab
--- /dev/null
+++ b/src/main/kotlin/gui/config/ColourHandler.kt
@@ -0,0 +1,82 @@
+package moe.nea.firmament.gui.config
+
+import io.github.notenoughupdates.moulconfig.ChromaColour
+import io.github.notenoughupdates.moulconfig.gui.component.ColorSelectComponent
+import kotlinx.serialization.KSerializer
+import kotlinx.serialization.SerialName
+import kotlinx.serialization.Serializable
+import kotlinx.serialization.descriptors.SerialDescriptor
+import kotlinx.serialization.encoding.Decoder
+import kotlinx.serialization.encoding.Encoder
+import kotlinx.serialization.json.Json
+import kotlinx.serialization.json.JsonElement
+
+class ColourHandler(val config: ManagedConfig) :
+	ManagedConfig.OptionHandler<ChromaColour> {
+	@Serializable
+	data class ChromaDelegate(
+		@SerialName("h")
+		val hue: Float,
+		@SerialName("s")
+		val saturation: Float,
+		@SerialName("b")
+		val brightness: Float,
+		@SerialName("a")
+		val alpha: Int,
+		@SerialName("c")
+		val timeForFullRotationInMillis: Int,
+	) {
+		constructor(delegate: ChromaColour) : this(
+			delegate.hue,
+			delegate.saturation,
+			delegate.brightness,
+			delegate.alpha,
+			delegate.timeForFullRotationInMillis
+		)
+
+		fun into(): ChromaColour = ChromaColour(hue, saturation, brightness, alpha, timeForFullRotationInMillis)
+	}
+
+	object ChromaSerializer : KSerializer<ChromaColour> {
+		override val descriptor: SerialDescriptor
+			get() = SerialDescriptor("FirmChromaColour", ChromaDelegate.serializer().descriptor)
+
+		override fun serialize(
+			encoder: Encoder,
+			value: ChromaColour
+		) {
+			encoder.encodeSerializableValue(ChromaDelegate.serializer(), ChromaDelegate(value))
+		}
+
+		override fun deserialize(decoder: Decoder): ChromaColour {
+			return decoder.decodeSerializableValue(ChromaDelegate.serializer()).into()
+		}
+	}
+
+	override fun toJson(element: ChromaColour): JsonElement? {
+		return Json.encodeToJsonElement(ChromaSerializer, element)
+	}
+
+	override fun fromJson(element: JsonElement): ChromaColour {
+		return Json.decodeFromJsonElement(ChromaSerializer, element)
+	}
+
+	override fun emitGuiElements(
+		opt: ManagedOption<ChromaColour>,
+		guiAppender: GuiAppender
+	) {
+		guiAppender.appendLabeledRow(
+			opt.labelText,
+			ColorSelectComponent(
+				0,
+				0,
+				opt.value.toLegacyString(),
+				{
+					opt.value = ChromaColour.forLegacyString(it)
+					config.save()
+				},
+				{ }
+			)
+		)
+	}
+}