Implement mod for fabric

Author: Discusser

build.gradle

@@ -29,6 +29,21 @@ subprojects {
         // Loom adds the essential maven repositories to download Minecraft and libraries from automatically.
         // See https://docs.gradle.org/current/userguide/declaring_repositories.html
         // for more information about repositories.
+        // Other repositories can go above or below Modrinth's. We don't need priority :)
+        exclusiveContent {
+            forRepository {
+                maven {
+                    name = "Modrinth"
+                    url = "https://api.modrinth.com/maven"
+                }
+            }
+            filter {
+                includeGroup "maven.modrinth"
+            }
+        }
+
+        maven { url "https://maven.shedaniel.me/" }
+        maven { url "https://maven.terraformersmc.com/releases/" }
     }
 
     dependencies {

common/src/main/java/io/github/discusser/toomanyentities/ExampleMod.java

@@ -0,0 +1,19 @@
+package io.github.discusser.toomanyentities;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.util.HashMap;
+
+public final class TooManyEntities {
+    public static final Logger LOGGER = LoggerFactory.getLogger("too-many-entities");
+    public static final String MODID = "too-many-entities";
+    public static final HashMap<String, Integer> entityCounts = new HashMap<>();
+
+    public static void init() {
+    }
+
+    public static void initClient() {
+
+    }
+}

common/src/main/java/io/github/discusser/toomanyentities/TooManyEntities.java

@@ -0,0 +1,57 @@
+package io.github.discusser.toomanyentities.mixin;
+
+import com.google.common.collect.ImmutableMap;
+import dev.architectury.platform.Platform;
+import org.objectweb.asm.tree.ClassNode;
+import org.spongepowered.asm.mixin.extensibility.IMixinConfigPlugin;
+import org.spongepowered.asm.mixin.extensibility.IMixinInfo;
+
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+import java.util.function.Supplier;
+
+public class TooManyEntitiesMixinPlugin implements IMixinConfigPlugin {
+    private static final Supplier<Boolean> entityCullingLoaded = () -> Platform.isModLoaded("entityculling");
+
+    private static final Map<String, Supplier<Boolean>> CONDITIONS = ImmutableMap.of(
+            "io.github.discusser.toomanyentities.mixin.client.DebugHudMixin", entityCullingLoaded,
+            "io.github.discusser.toomanyentities.fabric.mixin.client.EntityCullingWorldRendererMixin", entityCullingLoaded,
+            "io.github.discusser.toomanyentities.mixin.client.WorldRendererMixin", () -> !entityCullingLoaded.get()
+    );
+
+    @Override
+    public void onLoad(String mixinPackage) {
+
+    }
+
+    @Override
+    public String getRefMapperConfig() {
+        return null;
+    }
+
+    @Override
+    public boolean shouldApplyMixin(String targetClassName, String mixinClassName) {
+        return CONDITIONS.getOrDefault(mixinClassName, () -> true).get();
+    }
+
+    @Override
+    public void acceptTargets(Set<String> myTargets, Set<String> otherTargets) {
+
+    }
+
+    @Override
+    public List<String> getMixins() {
+        return null;
+    }
+
+    @Override
+    public void preApply(String targetClassName, ClassNode targetClass, String mixinClassName, IMixinInfo mixinInfo) {
+
+    }
+
+    @Override
+    public void postApply(String targetClassName, ClassNode targetClass, String mixinClassName, IMixinInfo mixinInfo) {
+
+    }
+}

common/src/main/java/io/github/discusser/toomanyentities/mixin/TooManyEntitiesMixinPlugin.java

@@ -0,0 +1,18 @@
+package io.github.discusser.toomanyentities.mixin.client;
+
+import io.github.discusser.toomanyentities.TooManyEntities;
+import net.minecraft.client.gui.hud.DebugHud;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.Inject;
+import org.spongepowered.asm.mixin.injection.callback.CallbackInfoReturnable;
+
+import java.util.List;
+
+@Mixin(DebugHud.class)
+public class DebugHudMixin {
+    @Inject(method = "getLeftText", at = @At(value = "TAIL"))
+    public void getLeftText(CallbackInfoReturnable<List<String>> info) {
+        TooManyEntities.entityCounts.clear();
+    }
+}

common/src/main/java/io/github/discusser/toomanyentities/mixin/client/DebugHudMixin.java

@@ -0,0 +1,19 @@
+package io.github.discusser.toomanyentities.mixin.client;
+
+import com.llamalad7.mixinextras.sugar.Local;
+import io.github.discusser.toomanyentities.TooManyEntities;
+import net.minecraft.client.render.WorldRenderer;
+import net.minecraft.entity.Entity;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.Inject;
+import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
+
+@Mixin(WorldRenderer.class)
+public class WorldRendererMixin {
+    @Inject(method = "render", at = @At(value = "FIELD", target = "Lnet/minecraft/client/render/WorldRenderer;regularEntityCount:I", ordinal = 1, shift = At.Shift.AFTER))
+    private void afterEntityCountIncrement(CallbackInfo info, @Local Entity entity) {
+        String key = entity.getType().getTranslationKey();
+        TooManyEntities.entityCounts.put(key, TooManyEntities.entityCounts.getOrDefault(key, 0) + 1);
+    }
+}

common/src/main/java/io/github/discusser/toomanyentities/mixin/client/WorldRendererMixin.java

@@ -0,0 +1,13 @@
+{
+  "text.autoconfig.too-many-entities.title": "Too Many Entities",
+  "text.autoconfig.too-many-entities.category.general": "General",
+  "text.autoconfig.too-many-entities.category.entities": "Entities",
+  "text.autoconfig.too-many-entities.option.enabled": "Enabled",
+  "text.autoconfig.too-many-entities.option.enabled.@Tooltip": "Whether or not the mod is enabled",
+  "text.autoconfig.too-many-entities.option.maxEntityCount": "Max Entity Count",
+  "text.autoconfig.too-many-entities.option.maxEntityCount.@Tooltip": "The maximum number of entities of a specific type to render. If this is set to 0, the limit is removed",
+  "text.autoconfig.too-many-entities.option.applyMaxEntityCountGlobally": "Apply Max Entity Count Globally",
+  "text.autoconfig.too-many-entities.option.applyMaxEntityCountGlobally.@Tooltip": "If this option is enabled, the maximum entity count defined above will be used for every single entity type. If this option is disabled, each entity type will use its own maximum entity count",
+  "text.autoconfig.too-many-entities.option.useEntityCulling": "Use Entity Culling",
+  "text.autoconfig.too-many-entities.option.useEntityCulling.@Tooltip": "If this option is enabled, and the mod Entity Culling is installed, the number of entities rendered will be taken from the entity culling mod. This allows you to have more visible entities without necessarily reducing performance. There can be flickering when using this option, so only enable it if you want to."
+}

common/src/main/resources/assets/too-many-entities/icon.png

@@ -3,9 +3,10 @@
   "package": "io.github.discusser.toomanyentities.mixin",
   "compatibilityLevel": "JAVA_17",
   "minVersion": "0.8",
+  "plugin": "io.github.discusser.toomanyentities.mixin.TooManyEntitiesMixinPlugin",
   "client": [
-  ],
-  "mixins": [
+    "client.DebugHudMixin",
+    "client.WorldRendererMixin"
   ],
   "injectors": {
     "defaultRequire": 1