diff --git a/include/bedrock/resources/pack_source.h b/include/bedrock/resources/pack_source.h
index 317c7381a..99b636cd4 100644
--- a/include/bedrock/resources/pack_source.h
+++ b/include/bedrock/resources/pack_source.h
@@ -36,14 +36,18 @@ class PackSource {
     virtual ~PackSource() = 0;
     virtual void forEachPackConst(ConstPackCallback callback) const = 0;
     virtual void forEachPack(PackCallback callback) = 0;
-    [[nodiscard]] virtual PackOrigin getPackOrigin() const;
-    [[nodiscard]] virtual PackType getPackType() const;
+    [[nodiscard]] virtual PackOrigin getPackOrigin() const = 0;
+    [[nodiscard]] virtual PackType getPackType() const = 0;
     virtual PackSourceReport load(IPackManifestFactory &factory,
-                                  Bedrock::NotNullNonOwnerPtr<const IContentKeyProvider> const &a3) = 0;
+                                  Bedrock::NotNullNonOwnerPtr<const IContentKeyProvider> const &) = 0;
 };
 
 class CompositePackSource : public PackSource {
 public:
+    void addPackSource(PackSource *pack_source);
+    void clear();
+    std::vector<PackSource *> getPackSources();
+
 private:
     std::vector<PackSource *> pack_sources_;
 };
diff --git a/include/bedrock/resources/resource_pack_repository.h b/include/bedrock/resources/resource_pack_repository.h
index 340cf9494..8b4750958 100644
--- a/include/bedrock/resources/resource_pack_repository.h
+++ b/include/bedrock/resources/resource_pack_repository.h
@@ -16,4 +16,12 @@
 
 #include "bedrock/resources/resource_pack_repository_interface.h"
 
-class ResourcePackRepository : public IResourcePackRepository {};
+class ResourcePackRepository : public IResourcePackRepository {
+public:
+private:
+    ENDSTONE_HOOK void _initializePackSource();  // NOLINT
+
+    Bedrock::NotNullNonOwnerPtr<Core::FilePathManager> file_path_manager_;  // +24
+    std::vector<std::unique_ptr<ResourcePack>> all_resource_packs_;         // +40
+    std::unique_ptr<CompositePackSource> pack_source_;                      // +64
+};
diff --git a/python/src/endstone/_internal/symbols.toml b/python/src/endstone/_internal/symbols.toml
index 7cbc2c8f9..8732ce9b7 100644
--- a/python/src/endstone/_internal/symbols.toml
+++ b/python/src/endstone/_internal/symbols.toml
@@ -1,4 +1,4 @@
-timestamp = 1727987716
+timestamp = 1728933927
 version = "1.21.30"
 
 [windows]
@@ -70,6 +70,8 @@ version = "1.21.30"
 "?ToString@SystemAddress@RakNet@@QEBAX_NPEADD@Z" = 37138000
 # RakPeerHelper
 "?peerStartup@RakPeerHelper@@QEAA?AW4StartupResult@RakNet@@PEAVRakPeerInterface@3@AEBUConnectionDefinition@@W4PeerPurpose@1@@Z" = 8265632
+# ResourcePackRepository
+"?_initializePackSource@ResourcePackRepository@@AEAAXXZ" = 9253008
 # SayCommand
 "?_sendMessage@SayCommand@@CAXAEBV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@V?$optional@V?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@@3@0AEBUCommandOriginIdentity@@AEAVLevel@@@Z" = 23116144
 # Scoreboard
@@ -173,6 +175,8 @@ version = "1.21.30"
 "_ZNK6RakNet13SystemAddress8ToStringEbPcc" = 134586416
 # RakPeerHelper
 "_ZN13RakPeerHelper11peerStartupEPN6RakNet16RakPeerInterfaceERK20ConnectionDefinitionNS_11PeerPurposeE" = 78459312
+# ResourcePackRepository
+"_ZN22ResourcePackRepository21_initializePackSourceEv" = 80958128
 # SayCommand
 "_ZN10SayCommand12_sendMessageERKNSt3__112basic_stringIcNS0_11char_traitsIcEENS0_9allocatorIcEEEENS0_8optionalIS6_EES8_RK21CommandOriginIdentityR5Level" = 90709328
 # Scoreboard
@@ -205,4 +209,4 @@ version = "1.21.30"
 "_ZNK15StartGamePacket5writeER12BinaryStream" = 79691312
 # TeleportCommand
 "_ZN15TeleportCommand11applyTargetER5Actor14TeleportTargetb" = 90108320
-"_ZN15TeleportCommand13computeTargetER5Actor4Vec3PS2_11AutomaticIDI9DimensioniERKNSt3__18optionalIN20RotationCommandUtils12RotationDataEEEi" = 90108704
\ No newline at end of file
+"_ZN15TeleportCommand13computeTargetER5Actor4Vec3PS2_11AutomaticIDI9DimensioniERKNSt3__18optionalIN20RotationCommandUtils12RotationDataEEEi" = 90108704
diff --git a/src/endstone_runtime/bedrock/resources/pack_source.cpp b/src/endstone_runtime/bedrock/resources/pack_source.cpp
new file mode 100644
index 000000000..34d25329f
--- /dev/null
+++ b/src/endstone_runtime/bedrock/resources/pack_source.cpp
@@ -0,0 +1,30 @@
+// Copyright (c) 2024, The Endstone Project. (https://endstone.dev) All Rights Reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#include "bedrock/resources/pack_source.h"
+
+void CompositePackSource::addPackSource(PackSource *pack_source)
+{
+    pack_sources_.emplace_back(pack_source);
+}
+
+void CompositePackSource::clear()
+{
+    pack_sources_.clear();
+}
+
+std::vector<PackSource *> CompositePackSource::getPackSources()
+{
+    return pack_sources_;
+}
diff --git a/src/endstone_runtime/bedrock/resources/resource_pack_repository.cpp b/src/endstone_runtime/bedrock/resources/resource_pack_repository.cpp
index ca951334f..3aac4433a 100644
--- a/src/endstone_runtime/bedrock/resources/resource_pack_repository.cpp
+++ b/src/endstone_runtime/bedrock/resources/resource_pack_repository.cpp
@@ -13,3 +13,10 @@
 // limitations under the License.
 
 #include "bedrock/resources/resource_pack_repository.h"
+
+#include "endstone/detail/hook.h"
+
+void ResourcePackRepository::_initializePackSource()
+{
+    ENDSTONE_HOOK_CALL_ORIGINAL(&ResourcePackRepository::_initializePackSource, this);
+}