Added Config and made the distance players no longer render configurable.

src/main/java/xyz/stachel/zombiesutils/ZombiesUtils.java

@@ -6,6 +6,7 @@ import net.hypixel.modapi.HypixelModAPI;
 import net.hypixel.modapi.packet.impl.clientbound.event.ClientboundLocationPacket;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
+import xyz.stachel.zombiesutils.config.Config;
 import xyz.stachel.zombiesutils.handlers.Location;
 import xyz.stachel.zombiesutils.handlers.Renderer;
 
@@ -20,5 +21,6 @@ public class ZombiesUtils implements ModInitializer {
     HypixelModAPI.getInstance().createHandler(ClientboundLocationPacket.class, Location::onLocation);
     ZombiesUtils.LOGGER.info("initializing...");
     HudLayerRegistrationCallback.EVENT.register(new Renderer());
+    Config.readFile();
   }
 }

src/main/java/xyz/stachel/zombiesutils/config/AbstractConfig.java

@@ -0,0 +1,45 @@
+package xyz.stachel.zombiesutils.config;
+
+import com.google.common.base.CaseFormat;
+import net.minecraft.client.gui.tooltip.Tooltip;
+import net.minecraft.client.gui.widget.ClickableWidget;
+import net.minecraft.text.Text;
+
+public abstract class AbstractConfig <T> {
+    private final Text message;
+    private final Tooltip tooltip;
+    private T value;
+
+    public AbstractConfig(String key, T defaultValue) {
+        value = defaultValue;
+        message = Text.translatable(String.format("hardcover.config.%s", toSnakeCase(key)));
+        tooltip = Tooltip.of(Text.translatable(String.format("hardcover.config.tooltip.%s", toSnakeCase(key))));
+    }
+
+    private static String toSnakeCase(String text) {
+        return CaseFormat.LOWER_CAMEL.to(CaseFormat.LOWER_UNDERSCORE, text);
+    }
+
+    public abstract ClickableWidget createWidget(Runnable callback);
+
+    public ClickableWidget createWidget() {
+        return createWidget(() -> {});
+    }
+
+    public Text getMessage() {
+        return message;
+    }
+
+    public Tooltip getTooltip() {
+        return tooltip;
+    }
+
+    public T getValue() {
+        return value;
+    }
+
+    public void setValue(T value) {
+        this.value = value;
+        Config.writeFile();
+    }
+}

src/main/java/xyz/stachel/zombiesutils/config/Config.java

@@ -0,0 +1,53 @@
+package xyz.stachel.zombiesutils.config;
+
+import com.google.gson.Gson;
+import com.google.gson.GsonBuilder;
+import com.google.gson.JsonParser;
+import net.fabricmc.loader.api.FabricLoader;
+import xyz.stachel.zombiesutils.ZombiesUtils;
+
+import java.lang.reflect.Modifier;
+import java.nio.file.Files;
+import java.nio.file.Path;
+
+public final class Config {
+    private static final Gson GSON = new GsonBuilder()
+            .registerTypeAdapter(IntConfig.class, new IntConfig.Serializer())
+            .excludeFieldsWithModifiers(Modifier.TRANSIENT)
+            .setPrettyPrinting()
+            .create();
+    private static final Path PATH = FabricLoader.getInstance().getConfigDir().resolve(String.format("%s.json", ZombiesUtils.MOD_ID));
+
+    public static void readFile() {
+        if (Files.exists(PATH)) {
+            try (var reader = Files.newBufferedReader(PATH)) {
+                var jsonElement = JsonParser.parseReader(reader);
+
+                for (var field : Configs.class.getDeclaredFields()) {
+                    var value = jsonElement.getAsJsonObject().get(field.getName());
+
+                    if (value != null) {
+                        var fieldType = field.getType();
+
+                        if (IntConfig.class.isAssignableFrom(fieldType)) {
+                            var intValue = value.getAsInt();
+                            ((IntConfig) field.get(null)).setValue(intValue);
+                        }
+                    }
+                }
+            } catch (Exception exception) {
+                ZombiesUtils.LOGGER.error("Failed to load configs at '{}'. Using default values.", PATH, exception);
+            }
+        } else {
+            writeFile();
+        }
+    }
+
+    public static void writeFile() {
+        try (var writer = Files.newBufferedWriter(PATH)) {
+            GSON.toJson(new Configs(), writer);
+        } catch (Exception exception) {
+            ZombiesUtils.LOGGER.error("Failed to save configs to '{}'.", PATH, exception);
+        }
+    }
+}

src/main/java/xyz/stachel/zombiesutils/config/IntConfig.java

@@ -0,0 +1,39 @@
+package xyz.stachel.zombiesutils.config;
+
+import com.google.gson.JsonElement;
+import com.google.gson.JsonPrimitive;
+import com.google.gson.JsonSerializationContext;
+import com.google.gson.JsonSerializer;
+import net.minecraft.client.gui.widget.ClickableWidget;
+import net.minecraft.client.gui.widget.CyclingButtonWidget;
+import net.minecraft.text.Text;
+
+import java.lang.reflect.Type;
+
+public class IntConfig extends AbstractConfig<Integer> {
+
+    public IntConfig(String key, Integer defaultValue) {
+        super(key, defaultValue);
+    }
+
+    public static IntConfig of(String key, int defaultValue) {
+        return new IntConfig(key, defaultValue);
+    }
+
+    @Override
+    public ClickableWidget createWidget(Runnable callback) {
+        return CyclingButtonWidget.<Integer>builder((value) -> Text.of(getValue().toString())).initially(getValue())
+                .tooltip(value -> getTooltip())
+                .build(getMessage(), (button, value) -> {
+                    setValue(value);
+                    callback.run();
+                });
+    }
+
+    public static class Serializer implements JsonSerializer<IntConfig> {
+        @Override
+        public JsonElement serialize(IntConfig value, Type type, JsonSerializationContext context) {
+            return new JsonPrimitive(value.getValue());
+        }
+    }
+}

src/main/java/xyz/stachel/zombiesutils/mixin/OtherClientPlayerEntityMixin.java

@@ -7,6 +7,7 @@ import net.minecraft.client.network.OtherClientPlayerEntity;
 import net.minecraft.client.world.ClientWorld;
 import org.spongepowered.asm.mixin.Mixin;
 import org.spongepowered.asm.mixin.injection.At;
+import xyz.stachel.zombiesutils.config.Configs;
 
 @Mixin(OtherClientPlayerEntity.class)
 public abstract class OtherClientPlayerEntityMixin extends AbstractClientPlayerEntity {
@@ -17,8 +18,8 @@ public abstract class OtherClientPlayerEntityMixin extends AbstractClientPlayerE
 
     @ModifyReturnValue(method = "shouldRender", at = @At(value = "RETURN"))
     public boolean shouldRender(boolean original, double distance) {
-        int dist = 1;
-        double d = this.getBoundingBox().getAverageSideLength() * 1.75 + ((double) dist * 2.5D);
+        int dist = Configs.playerVisibleDistance.getValue();
+        double d = this.getBoundingBox().getAverageSideLength() * 1.75 + (double) dist;
         if (Double.isNaN(d)) {
             d = 1.0;
         }