the files

2026-10-14 06:59:51 +02:00
parent f6175893fc
commit 2040419525
1855 changed files with 6735668 additions and 0 deletions
@@ -0,0 +1,59 @@
+cmake_minimum_required(VERSION 3.16)
+
+project(tachyon LANGUAGES CXX)
+
+set(CMAKE_CXX_STANDARD 23)
+set(CMAKE_CXX_STANDARD_REQUIRED ON)
+set(CMAKE_POSITION_INDEPENDENT_CODE ON)
+
+# LiteNetLibPP (the LiteNetLib transport) is a pinned git submodule under vendor/. It carries no
+# packet-layer hook for the RecRoom 0x11 marker, so we apply patches/0001-tachyon-packet-layer-hook
+# to its working tree here, idempotently, before building it. See patches/README.md.
+set(LNLPP_DIR ${CMAKE_CURRENT_SOURCE_DIR}/vendor/LiteNetLibPP)
+set(LNLPP_PATCH ${CMAKE_CURRENT_SOURCE_DIR}/patches/0001-tachyon-packet-layer-hook.patch)
+
+if (NOT EXISTS ${LNLPP_DIR}/CMakeLists.txt)
+    message(FATAL_ERROR "vendor/LiteNetLibPP is empty. Run: git submodule update --init --recursive")
+endif ()
+
+find_package(Git QUIET REQUIRED)
+# If the patch reverse-applies cleanly it is already present; otherwise apply it forward.
+execute_process(
+    COMMAND ${GIT_EXECUTABLE} -C ${LNLPP_DIR} apply --reverse --check ${LNLPP_PATCH}
+    RESULT_VARIABLE LNLPP_ALREADY_PATCHED OUTPUT_QUIET ERROR_QUIET)
+if (NOT LNLPP_ALREADY_PATCHED EQUAL 0)
+    execute_process(
+        COMMAND ${GIT_EXECUTABLE} -C ${LNLPP_DIR} apply ${LNLPP_PATCH}
+        RESULT_VARIABLE LNLPP_PATCH_RESULT)
+    if (NOT LNLPP_PATCH_RESULT EQUAL 0)
+        message(FATAL_ERROR "Failed to apply ${LNLPP_PATCH} to LiteNetLibPP")
+    endif ()
+    message(STATUS "Applied Tachyon packet-layer hook to LiteNetLibPP")
+else ()
+    message(STATUS "LiteNetLibPP packet-layer hook already applied")
+endif ()
+
+# Turn off LiteNetLibPP's tests (they fetch a googletest incompatible with modern CMake) and examples.
+set(BUILD_EXAMPLE OFF CACHE BOOL "" FORCE)
+set(BUILD_AND_RUN_TESTS OFF CACHE BOOL "" FORCE)
+add_subdirectory(vendor/LiteNetLibPP)
+
+# libcurl: the room lookup (AccountId -> roomInstanceId) calls recflare over HTTP(S).
+find_package(CURL REQUIRED)
+# OpenSSL: decrypt the client's RSA-encrypted wire blobs with the configured private key.
+find_package(OpenSSL REQUIRED)
+
+add_executable(tachyon
+    src/main.cpp
+    src/tachyon_server.cpp
+    src/dissonance.cpp
+    src/hashing.cpp
+    src/room_lookup.cpp
+    src/config.cpp
+    src/crypto.cpp)
+
+target_compile_features(tachyon PRIVATE cxx_std_23)
+target_include_directories(tachyon PRIVATE
+    ${CMAKE_CURRENT_SOURCE_DIR}/src
+    ${CMAKE_CURRENT_SOURCE_DIR}/third_party)
+target_link_libraries(tachyon PRIVATE lnl CURL::libcurl OpenSSL::Crypto)