Config test

src/main/java/ru/dbotthepony/mc/otm/OverdriveThatMatters.java

@@ -8,7 +8,9 @@ import net.minecraft.world.item.ItemStack;
 import net.minecraft.world.level.block.entity.BlockEntity;
 import net.minecraftforge.eventbus.api.EventPriority;
 import net.minecraftforge.fml.ModList;
+import net.minecraftforge.fml.ModLoadingContext;
 import net.minecraftforge.fml.common.Mod;
+import net.minecraftforge.fml.config.ModConfig;
 import net.minecraftforge.fml.event.lifecycle.FMLClientSetupEvent;
 import net.minecraftforge.fml.event.lifecycle.FMLCommonSetupEvent;
 import net.minecraftforge.fml.javafmlmod.FMLJavaModLoadingContext;
@@ -87,6 +89,8 @@ public final class OverdriveThatMatters {
 		modBus.addListener(EventPriority.HIGHEST, this::setup);
 		modBus.addListener(EventPriority.NORMAL, this::setupClient);
 		modBus.addListener(EventPriority.NORMAL, MatteryCapability::register);
+
+		ClientConfig.INSTANCE.register();
 	}
 
 	private void setup(final FMLCommonSetupEvent event) {

src/main/kotlin/ru/dbotthepony/mc/otm/MConfig.kt

@@ -0,0 +1,45 @@
+
+@file:Suppress("ObjectPropertyName")
+
+package ru.dbotthepony.mc.otm
+
+import net.minecraftforge.common.ForgeConfigSpec
+import net.minecraftforge.common.ForgeConfigSpec.IntValue
+import net.minecraftforge.fml.ModLoadingContext
+import net.minecraftforge.fml.config.ModConfig
+import kotlin.reflect.KProperty
+
+object ClientConfig {
+	private val spec: ForgeConfigSpec
+	private var registered = false
+
+	private val _exosuitInventoryRows: IntValue
+
+	init {
+		val specBuilder = ForgeConfigSpec.Builder()
+		specBuilder.comment("Clientside Config").push("client")
+
+		_exosuitInventoryRows = specBuilder
+			.comment("Amount of inventory rows to show when wearing Exosuit")
+			.defineInRange("exosuitInventoryRows", 3, 3, 6)
+
+		specBuilder.pop()
+		spec = specBuilder.build()
+	}
+
+	var exosuitInventoryRows: Int by _exosuitInventoryRows
+
+	fun register() {
+		check(!registered) { "Already registered config" }
+		registered = true
+		ModLoadingContext.get().registerConfig(ModConfig.Type.CLIENT, spec)
+	}
+}
+
+private operator fun <T> ForgeConfigSpec.ConfigValue<T>.setValue(config: ClientConfig, property: KProperty<*>, value: T) {
+	set(value)
+}
+
+private operator fun <T : Any> ForgeConfigSpec.ConfigValue<T>.getValue(config: Any, property: KProperty<*>): T {
+	return get()
+}

src/main/kotlin/ru/dbotthepony/mc/otm/client/screen/MatteryScreen.kt

@@ -16,6 +16,7 @@ import net.minecraftforge.client.event.ContainerScreenEvent.Render.Foreground
 import net.minecraftforge.common.MinecraftForge
 import org.lwjgl.opengl.GL11
 import org.lwjgl.opengl.GL13
+import ru.dbotthepony.mc.otm.ClientConfig
 import ru.dbotthepony.mc.otm.client.moveMousePosScaled
 import ru.dbotthepony.mc.otm.client.screen.panels.*
 import ru.dbotthepony.mc.otm.core.maxScrollDivision
@@ -552,6 +553,6 @@ abstract class MatteryScreen<T : MatteryMenu>(menu: T, inventory: Inventory, tit
 		const val MAX_ROWS = 6
 
 		var lastScroll = 0
-		var lastRows = 3
+		var lastRows by ClientConfig::exosuitInventoryRows
 	}
 }