pa/eqemu-server
2
0
Fork 0
mirror of https://github.com/EQEmu/Server.git synced 2026-05-31 04:56:20 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

Add some knobs to our RNG class

Browse Source 
Also included is an additive lagged fibonacci generator that should is
very similar to EQ's. Also added BIASED_INT_DIST in case someone wants
to use "bad" int distribution to more closely match EQ as well.

An option to set a custom engine (just in case people would like to play
with other std engines) is available.

There is also support for GCC's SIMD accelerated extension to std random
engines.

All these options are hidden behind advanced options in CMake since
they're rather advanced knobs.
This commit is contained in:
Michael Cook (mackal)
2021-07-16 21:50:46 -04:00
parent 8a2a1b152e
commit ddb14187b0
4 changed files with 228 additions and 7 deletions
Download Patch File Download Diff File Expand all files Collapse all files
CMakeLists.txt
+41
View File
@@ -131,6 +131,47 @@ OPTION(EQEMU_BUILD_TESTS "Build utility tests." OFF)
OPTION(EQEMU_BUILD_CLIENT_FILES "Build Client Import/Export Data Programs." ON)
OPTION(EQEMU_PREFER_LUA "Build with normal Lua even if LuaJIT is found." OFF)
#PRNG options
OPTION(EQEMU_ADDITIVE_LFIB_PRNG "Use Additive LFib for PRNG." OFF)
MARK_AS_ADVANCED(EQEMU_ADDITIVE_LFIB_PRNG)
OPTION(EQEMU_BIASED_INT_DIST "Use biased int dist instead of uniform." OFF)
MARK_AS_ADVANCED(EQEMU_BIASED_INT_DIST)
SET(EQEMU_CUSTOM_PRNG_ENGINE "" CACHE STRING "Custom random engine. (ex. std::default_random_engine)")
MARK_AS_ADVANCED(EQEMU_CUSTOM_PRNG_ENGINE)
IF(CMAKE_COMPILER_IS_GNUCXX)
OPTION(EQEMU_SFMT19937 "Use GCC's extention for SIMD Fast MT19937." OFF)
MARK_AS_ADVANCED(EQEMU_SFMT19937)
ENDIF()
IF(EQEMU_ADDITIVE_LFIB_PRNG)
ADD_DEFINITIONS(-DUSE_ADDITIVE_LFIB_PRNG)
IF(EQEMU_SFMT19937)
MESSAGE(STATUS "SFMT19937 and ADDITITVE_LFIB_PRNG both set, SFMT19937 ignored.")
SET(EQEMU_SFMT19937 OFF)
ENDIF()
IF(NOT EQEMU_CUSTOM_PRNG_ENGINE STREQUAL "")
MESSAGE(STATUS "CUSTOM_PRNG_ENGINE and ADDITITVE_LFIB_PRNG both set, CUSTOM_PRNG_ENGINE ignored.")
SET(EQEMU_CUSTOM_PRNG_ENGINE "")
ENDIF()
ENDIF()
IF(EQEMU_SFMT19937)
ADD_DEFINITIONS(-DUSE_SFMT19937)
IF(NOT EQEMU_CUSTOM_PRNG_ENGINE STREQUAL "")
MESSAGE(STATUS "CUSTOM_PRNG_ENGINE and SFMT19937 both set, CUSTOM_PRNG_ENGINE ignored.")
SET(EQEMU_CUSTOM_PRNG_ENGINE "")
ENDIF()
ENDIF()
IF(NOT EQEMU_CUSTOM_PRNG_ENGINE STREQUAL "")
ADD_DEFINITIONS(-DUSE_CUSTOM_PRNG_ENGINE=${EQEMU_CUSTOM_PRNG_ENGINE})
ENDIF()
IF(EQEMU_BIASED_INT_DIST)
ADD_DEFINITIONS(-DBIASED_INT_DIST)
ENDIF()
IF(EQEMU_COMMANDS_LOGGING)
ADD_DEFINITIONS(-DCOMMANDS_LOGGING)
ENDIF(EQEMU_COMMANDS_LOGGING)