3 files changed, 64 insertions, 0 deletions
diff --git a/src/main/kotlin/moe/nea/notenoughupdates/features/FeatureManager.kt b/src/main/kotlin/moe/nea/notenoughupdates/features/FeatureManager.kt
new file mode 100644
index 0000000..766cf1f
--- /dev/null
+++ b/src/main/kotlin/moe/nea/notenoughupdates/features/FeatureManager.kt
@@ -0,0 +1,36 @@
+package moe.nea.notenoughupdates.features
+
+import kotlinx.serialization.serializer
+import moe.nea.notenoughupdates.NotEnoughUpdates
+import moe.nea.notenoughupdates.features.world.FairySouls
+import moe.nea.notenoughupdates.util.ConfigHolder
+
+object FeatureManager : ConfigHolder<FeatureManager.Config>(serializer(), "features", ::Config) {
+    data class Config(
+        val enabledFeatures: MutableMap<String, Boolean> = mutableMapOf()
+    )
+
+    private val features = mutableMapOf<String, NEUFeature>()
+
+    fun autoload() {
+        loadFeature(FairySouls)
+    }
+
+    fun loadFeature(feature: NEUFeature) {
+        if (feature.identifier in features) {
+            NotEnoughUpdates.logger.error("Double registering feature ${feature.identifier}. Ignoring second instance $feature")
+            return
+        }
+        features[feature.identifier] = feature
+    }
+
+    fun isEnabled(identifier: String): Boolean? =
+        config.enabledFeatures[identifier]
+
+
+    fun setEnabled(identifier: String, value: Boolean) {
+        config.enabledFeatures[identifier] = value
+        markDirty()
+    }
+
+}
diff --git a/src/main/kotlin/moe/nea/notenoughupdates/features/NEUFeature.kt b/src/main/kotlin/moe/nea/notenoughupdates/features/NEUFeature.kt
new file mode 100644
index 0000000..1d3628e
--- /dev/null
+++ b/src/main/kotlin/moe/nea/notenoughupdates/features/NEUFeature.kt
@@ -0,0 +1,16 @@
+package moe.nea.notenoughupdates.features
+
+interface NEUFeature {
+    val name: String
+    val identifier: String
+    val defaultEnabled: Boolean
+        get() = true
+    var isEnabled: Boolean
+        get() = FeatureManager.isEnabled(identifier) ?: defaultEnabled
+        set(value) {
+            FeatureManager.setEnabled(identifier, value)
+        }
+
+    fun onLoad()
+
+}
diff --git a/src/main/kotlin/moe/nea/notenoughupdates/features/world/FairySouls.kt b/src/main/kotlin/moe/nea/notenoughupdates/features/world/FairySouls.kt
new file mode 100644
index 0000000..b928f3d
--- /dev/null
+++ b/src/main/kotlin/moe/nea/notenoughupdates/features/world/FairySouls.kt
@@ -0,0 +1,12 @@
+package moe.nea.notenoughupdates.features.world
+
+import moe.nea.notenoughupdates.features.NEUFeature
+
+object FairySouls : NEUFeature {
+    override val name: String get() = "Fairy Souls"
+    override val identifier: String get() = "fairy-souls"
+
+    override fun onLoad() {
+
+    }
+}