locales, packet client settings and client support for plugin messages

src/main/java/de/bixilon/minosoft/game/datatypes/Locale.java

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+package de.bixilon.minosoft.game.datatypes;
+
+public enum Locale {
+    EN_US("en_US"),
+    EN_GB("en_gb"),
+    DE_DE("de_DE");
+
+    String name;
+
+    Locale(String name) {
+        this.name = name;
+    }
+
+    public static Locale byId(String name) {
+        for (Locale g : values()) {
+            if (g.getName().equals(name)) {
+                return g;
+            }
+        }
+        return null;
+    }
+
+    public String getName() {
+        return name;
+    }
+}

src/main/java/de/bixilon/minosoft/protocol/packets/serverbound/play/PacketClientSettings.java

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+package de.bixilon.minosoft.protocol.packets.serverbound.play;
+
+import de.bixilon.minosoft.game.datatypes.Difficulty;
+import de.bixilon.minosoft.game.datatypes.Locale;
+import de.bixilon.minosoft.logging.Log;
+import de.bixilon.minosoft.protocol.packets.ServerboundPacket;
+import de.bixilon.minosoft.protocol.protocol.OutPacketBuffer;
+import de.bixilon.minosoft.protocol.protocol.Packets;
+import de.bixilon.minosoft.protocol.protocol.ProtocolVersion;
+
+public class PacketClientSettings implements ServerboundPacket {
+
+    public final Locale locale;
+    public final byte renderDistance;
+
+    public PacketClientSettings(Locale locale, int renderDistance) {
+        this.locale = locale;
+        this.renderDistance = (byte) renderDistance;
+    }
+
+
+    @Override
+    public OutPacketBuffer write(ProtocolVersion v) {
+        log();
+        OutPacketBuffer buffer = new OutPacketBuffer(v.getPacketCommand(Packets.Serverbound.PLAY_CLIENT_SETTINGS));
+        switch (v) {
+            case VERSION_1_7_10:
+                buffer.writeString(locale.getName()); // locale
+                buffer.writeByte(renderDistance); // render Distance
+                buffer.writeByte((byte) 0x00); // chat settings (nobody uses them)
+                buffer.writeBoolean(true); // chat colors
+                buffer.writeByte((byte) Difficulty.NORMAL.getId()); // difficulty
+                buffer.writeBoolean(true); // cape
+                break;
+        }
+        return buffer;
+    }
+
+    @Override
+    public void log() {
+        Log.protocol(String.format("Sending settings (%s, render distance: %s)", locale.getName(), renderDistance));
+    }
+}

src/main/java/de/bixilon/minosoft/protocol/packets/serverbound/play/PacketPluginMessageSended.java

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+package de.bixilon.minosoft.protocol.packets.serverbound.play;
+
+import de.bixilon.minosoft.logging.Log;
+import de.bixilon.minosoft.protocol.packets.ServerboundPacket;
+import de.bixilon.minosoft.protocol.protocol.OutPacketBuffer;
+import de.bixilon.minosoft.protocol.protocol.Packets;
+import de.bixilon.minosoft.protocol.protocol.ProtocolVersion;
+
+public class PacketPluginMessageSended implements ServerboundPacket {
+
+    public final String channel;
+    public final byte[] data;
+
+    public PacketPluginMessageSended(String channel, byte[] data) {
+        this.channel = channel;
+        this.data = data;
+    }
+
+
+    @Override
+    public OutPacketBuffer write(ProtocolVersion v) {
+        log();
+        OutPacketBuffer buffer = new OutPacketBuffer(v.getPacketCommand(Packets.Serverbound.PLAY_PLUGIN_MESSAGE));
+        switch (v) {
+            case VERSION_1_7_10:
+                buffer.writeString(channel); // name
+                buffer.writeShort((short) data.length); // length
+                buffer.writeBytes(data); // data
+                break;
+        }
+        return buffer;
+    }
+
+    @Override
+    public void log() {
+        Log.protocol(String.format("Sending data in plugin channel %s with a length of %s bytes", channel, data.length));
+    }
+}