spawn tracking

src/main/java/carpet/mixins/SpawnHelperMixin.java

@@ -0,0 +1,36 @@
+package carpet.mixins;
+
+import carpet.CarpetSettings;
+import carpet.utils.SpawnReporter;
+import net.minecraft.entity.Entity;
+import net.minecraft.entity.mob.MobEntity;
+import net.minecraft.world.SpawnHelper;
+import net.minecraft.world.World;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.Redirect;
+
+@Mixin(SpawnHelper.class)
+public abstract class SpawnHelperMixin
+{
+    @Redirect(method = "spawnEntitiesInChunk", at = @At(
+            value = "INVOKE",
+            target = "Lnet/minecraft/world/World;spawnEntity(Lnet/minecraft/entity/Entity;)Z"
+    ))
+    private static boolean catchEntitySpawn(World world, Entity entity_1)
+    {
+        if (SpawnReporter.track_spawns > 0L && SpawnReporter.local_spawns != null)
+        {
+            SpawnReporter.registerSpawn(
+                    world.dimension.getType(),
+                    (MobEntity) entity_1,
+                    entity_1.getType().getCategory(),
+                    entity_1.getBlockPos());
+        }
+        if (!SpawnReporter.mock_spawns)
+            return world.spawnEntity(entity_1);
+        return false;
+    }
+
+
+}