Added 1.8 version mapping

src/main/java/ru/nanit/limbo/protocol/packets/play/PacketBossBar.java

@@ -7,6 +7,9 @@ import ru.nanit.limbo.server.data.BossBar;
 
 import java.util.UUID;
 
+/**
+ * Packet for 1.9+
+ */
 public class PacketBossBar implements PacketOut {
 
     private UUID uuid;

src/main/java/ru/nanit/limbo/protocol/packets/play/PacketDeclareCommands.java

@@ -6,6 +6,9 @@ import ru.nanit.limbo.protocol.registry.Version;
 
 import java.util.List;
 
+/**
+ * Packet for 1.13+
+ */
 public class PacketDeclareCommands implements PacketOut {
 
     private List<String> commands;

src/main/java/ru/nanit/limbo/protocol/registry/State.java

@@ -60,6 +60,7 @@ public enum State {
     PLAY(3) {
         {
             serverBound.register(PacketKeepAlive::new,
+                    map(0x00, V1_8, V1_8),
                     map(0x0B, V1_9, V1_11_1),
                     map(0x0C, V1_12, V1_12),
                     map(0x0B, V1_12_1, V1_12_2),
@@ -68,6 +69,7 @@ public enum State {
                     map(0x10, V1_16, V1_16_4),
                     map(0x0F, V1_17, V1_17_1)
             );
+
             clientBound.register(PacketDeclareCommands::new,
                     map(0x11, V1_13, V1_14_4),
                     map(0x12, V1_15, V1_15_2),
@@ -76,6 +78,7 @@ public enum State {
                     map(0x12, V1_17, V1_17_1)
             );
             clientBound.register(PacketJoinGame::new,
+                    map(0x01, V1_8, V1_8),
                     map(0x23, V1_9, V1_12_2),
                     map(0x25, V1_13, V1_13_2),
                     map(0x25, V1_14, V1_14_4),
@@ -85,6 +88,7 @@ public enum State {
                     map(0x26, V1_17, V1_17_1)
             );
             clientBound.register(PacketPlayerAbilities::new,
+                    map(0x39, V1_8, V1_8),
                     map(0x2B, V1_9, V1_12),
                     map(0x2C, V1_12_1, V1_12_2),
                     map(0x2E, V1_13, V1_13_2),
@@ -95,6 +99,7 @@ public enum State {
                     map(0x32, V1_17, V1_17_1)
             );
             clientBound.register(PacketPlayerPositionAndLook::new,
+                    map(0x08, V1_8, V1_8),
                     map(0x2E, V1_9, V1_12),
                     map(0x2F, V1_12_1, V1_12_2),
                     map(0x32, V1_13, V1_13_2),
@@ -105,6 +110,7 @@ public enum State {
                     map(0x38, V1_17, V1_17_1)
             );
             clientBound.register(PacketKeepAlive::new,
+                    map(0x00, V1_8, V1_8),
                     map(0x1F, V1_9, V1_12_2),
                     map(0x21, V1_13, V1_13_2),
                     map(0x20, V1_14, V1_14_4),
@@ -114,6 +120,7 @@ public enum State {
                     map(0x21, V1_17, V1_17_1)
             );
             clientBound.register(PacketChatMessage::new,
+                    map(0x02, V1_8, V1_8),
                     map(0x0F, V1_9, V1_12_2),
                     map(0x0E, V1_13, V1_14_4),
                     map(0x0F, V1_15, V1_15_2),
@@ -127,6 +134,7 @@ public enum State {
                     map(0x0D, V1_17, V1_17_1)
             );
             clientBound.register(PacketPlayerInfo::new,
+                    map(0x38, V1_8, V1_8),
                     map(0x2D, V1_9, V1_12),
                     map(0x2E, V1_12_1, V1_12_2),
                     map(0x30, V1_13, V1_13_2),

src/main/java/ru/nanit/limbo/protocol/registry/Version.java

@@ -6,6 +6,8 @@ import java.util.Map;
 public enum Version {
 
     UNDEFINED(-1),
+    V1_8(47),
+    // 1.8-1.8.8 has same protocol numbers
     V1_9(107),
     V1_9_1(108),
     V1_9_2(109),
@@ -81,7 +83,7 @@ public enum Version {
     }
 
     public static Version getMin() {
-        return V1_9;
+        return V1_8;
     }
 
     public static Version getMax() {