Add providers for world (entity/chunk) statistics

2 files changed, 120 insertions, 4 deletions

diff --git a/spark-sponge8/src/main/java/me/lucko/spark/sponge/Sponge8SparkPlugin.java b/spark-sponge8/src/main/java/me/lucko/spark/sponge/Sponge8SparkPlugin.java
index e867a75..68e47e3 100644
--- a/spark-sponge8/src/main/java/me/lucko/spark/sponge/Sponge8SparkPlugin.java
+++ b/spark-sponge8/src/main/java/me/lucko/spark/sponge/Sponge8SparkPlugin.java
@@ -27,6 +27,7 @@ import me.lucko.spark.common.SparkPlugin;
 import me.lucko.spark.common.command.sender.CommandSender;
 import me.lucko.spark.common.monitor.ping.PlayerPingProvider;
 import me.lucko.spark.common.platform.PlatformInfo;
+import me.lucko.spark.common.platform.world.WorldInfoProvider;
 import me.lucko.spark.common.sampler.ThreadDumper;
 import me.lucko.spark.common.tick.TickHook;
 import me.lucko.spark.common.util.ClassSourceLookup;
@@ -67,6 +68,7 @@ public class Sponge8SparkPlugin implements SparkPlugin {
     private final Game game;
     private final Path configDirectory;
     private final ExecutorService asyncExecutor;
+    private final ExecutorService syncExecutor;
 
     private SparkPlatform platform;
     private final ThreadDumper.GameThread threadDumper = new ThreadDumper.GameThread();
@@ -78,6 +80,14 @@ public class Sponge8SparkPlugin implements SparkPlugin {
         this.game = game;
         this.configDirectory = configDirectory;
         this.asyncExecutor = game.asyncScheduler().executor(pluginContainer);
+
+        if (game.isServerAvailable()) {
+            this.syncExecutor = game.server().scheduler().executor(pluginContainer);
+        } else if (game.isClientAvailable()) {
+            this.syncExecutor = game.client().scheduler().executor(pluginContainer);
+        } else {
+            throw new IllegalStateException("Server and client both unavailable");
+        }
     }
 
 
@@ -114,10 +124,14 @@ public class Sponge8SparkPlugin implements SparkPlugin {
 
     @Override
     public Stream<CommandSender> getCommandSenders() {
-        return Stream.concat(
-                this.game.server().onlinePlayers().stream(),
-                Stream.of(this.game.systemSubject())
-        ).map(Sponge8CommandSender::new);
+        if (this.game.isServerAvailable()) {
+            return Stream.concat(
+                    this.game.server().onlinePlayers().stream(),
+                    Stream.of(this.game.systemSubject())
+            ).map(Sponge8CommandSender::new);
+        } else {
+            return Stream.of(this.game.systemSubject()).map(Sponge8CommandSender::new);
+        }
     }
 
     @Override
@@ -126,6 +140,11 @@ public class Sponge8SparkPlugin implements SparkPlugin {
     }
 
     @Override
+    public void executeSync(Runnable task) {
+        this.syncExecutor.execute(task);
+    }
+
+    @Override
     public void log(Level level, String msg) {
         if (level == Level.INFO) {
             this.logger.info(msg);
@@ -163,6 +182,15 @@ public class Sponge8SparkPlugin implements SparkPlugin {
     }
 
     @Override
+    public WorldInfoProvider createWorldInfoProvider() {
+        if (this.game.isServerAvailable()) {
+            return new Sponge8WorldInfoProvider(this.game.server());
+        } else {
+            return WorldInfoProvider.NO_OP;
+        }
+    }
+
+    @Override
     public PlatformInfo getPlatformInfo() {
         return new Sponge8PlatformInfo(this.game);
     }
diff --git a/spark-sponge8/src/main/java/me/lucko/spark/sponge/Sponge8WorldInfoProvider.java b/spark-sponge8/src/main/java/me/lucko/spark/sponge/Sponge8WorldInfoProvider.java
new file mode 100644
index 0000000..bff4d6e
--- /dev/null
+++ b/spark-sponge8/src/main/java/me/lucko/spark/sponge/Sponge8WorldInfoProvider.java
@@ -0,0 +1,88 @@
+/*
+ * This file is part of spark.
+ *
+ *  Copyright (c) lucko (Luck) <luck@lucko.me>
+ *  Copyright (c) contributors
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package me.lucko.spark.sponge;
+
+import com.google.common.collect.Lists;
+
+import me.lucko.spark.common.platform.world.AbstractChunkInfo;
+import me.lucko.spark.common.platform.world.CountMap;
+import me.lucko.spark.common.platform.world.WorldInfoProvider;
+
+import org.spongepowered.api.Server;
+import org.spongepowered.api.entity.Entity;
+import org.spongepowered.api.entity.EntityType;
+import org.spongepowered.api.entity.EntityTypes;
+import org.spongepowered.api.world.chunk.WorldChunk;
+import org.spongepowered.api.world.server.ServerWorld;
+
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+
+public class Sponge8WorldInfoProvider implements WorldInfoProvider {
+    private final Server server;
+
+    public Sponge8WorldInfoProvider(Server server) {
+        this.server = server;
+    }
+
+    @Override
+    public Result<Sponge7ChunkInfo> poll() {
+        Result<Sponge7ChunkInfo> data = new Result<>();
+
+        for (ServerWorld world : this.server.worldManager().worlds()) {
+            List<WorldChunk> chunks = Lists.newArrayList(world.loadedChunks());
+
+            List<Sponge7ChunkInfo> list = new ArrayList<>(chunks.size());
+            for (WorldChunk chunk : chunks) {
+                list.add(new Sponge7ChunkInfo(chunk));
+            }
+
+            data.put(world.key().value(), list);
+        }
+
+        return data;
+    }
+
+    static final class Sponge7ChunkInfo extends AbstractChunkInfo<EntityType<?>> {
+        private final CountMap<EntityType<?>> entityCounts;
+
+        Sponge7ChunkInfo(WorldChunk chunk) {
+            super(chunk.chunkPosition().x(), chunk.chunkPosition().z());
+
+            this.entityCounts = new CountMap.Simple<>(new HashMap<>());
+            for (Entity entity : chunk.entities()) {
+                this.entityCounts.increment(entity.type());
+            }
+        }
+
+        @Override
+        public CountMap<EntityType<?>> getEntityCounts() {
+            return this.entityCounts;
+        }
+
+        @Override
+        public String entityTypeName(EntityType<?> type) {
+            return EntityTypes.registry().valueKey(type).value();
+        }
+
+    }
+}