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scummvm/common
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TehGelly 0992fa9c3b
COMMON: Change PRNG Function to Xorshift* (#3341) 
The old RNG method had non-standard periods, ranging from some seeds looping on themselves (seed = 1184201285) to some seeds having periods as low as 11 or 48, as listed in https://github.com/scummvm/scummvm/pull/3340. This is a problem even for games that run the RNG once a frame, as the possibilities for random events is greatly reduced should the initial seed be in one of these sets of small periods.

Xorshift* is a standard, fast, non-cryptographic PRNG with academic backing that has period 2^32-1 (all seeds lead to another seed except 0, which is excluded from the initial seeds).  Many different flavors are possible, as listed in the paper, but the choice implemented in this pull request uses only a single 32-bit integer as a state, like the old PRNG.

Co-authored-by: Thierry Crozat <criezy@scummvm.org>
Co-authored-by: Filippos Karapetis <bluegr@gmail.com>
2021-09-09 21:46:08 +03:00
..
encodings
COMMON: Add conversion table for DOS862 encoding
2021-07-22 00:06:25 +03:00
lua
COMMON: LUA: Fix warnings for header search failure.
2021-06-26 08:41:47 +03:00
achievements.cpp
ACHIEVEMENTS: Fix compilation when translations are disabled
2021-06-27 17:47:17 +02:00
achievements.h
COMMON: Fix compilation with C++98
2021-06-19 17:22:26 +01:00
algorithm.h
JANITORIAL: Remove trailing whitespaces
2021-05-04 11:46:30 +03:00
archive.cpp
ALL: Change listMatchingMembers pattern to a Path
2021-08-09 17:47:30 -04:00
archive.h
BACKENDS: Use U32String for FSNode::getDisplayName
2021-08-23 21:22:27 +01:00
array.h
JANITORIAL: Replace spaces in indentation with tabs
2021-04-15 21:20:36 +02:00
base-str.cpp
COMMON: Allow \0 to be appended to Strings
2021-07-13 10:35:19 +02:00
base-str.h
COMMON: Rewrite Encoder and drop dependency on iconv (#2586)
2020-11-15 16:20:35 +01:00
bitarray.h
VIDEO: Added dirty rects to SmackerDecoder
2021-05-29 21:22:58 +01:00
bitstream.h
JANITORIAL: Fix some MSVC warnings
2021-07-22 07:28:01 +03:00
bufferedstream.h
BACKENDS: Update all the backends to support SeekableWriteStream
2021-08-08 18:13:30 -07:00
c++11-compat.h
Sync with ScummVM rev. 654b8208b878ddb72bd5d6c1bbc43934b31231b7
2020-06-22 08:14:16 +02:00
callback.h
ALL: Cleanup guards names. Fixed compilation.
2020-10-05 21:20:43 +02:00
config-manager.cpp
JANITORIAL: Update old bug tracker numbers
2021-03-03 02:15:05 +02:00
config-manager.h
JANITORIAL: Replace spaces in indentation with tabs
2021-04-15 21:20:36 +02:00
coroutines.cpp
JANITORIAL: Replace spaces in indentation with tabs
2021-04-15 21:20:36 +02:00
coroutines.h
JANITORIAL: Replace spaces in indentation with tabs
2021-04-15 21:20:36 +02:00
cosinetables.cpp
JANITORIAL: Remove trailing whitespaces
2021-05-04 11:46:30 +03:00
cosinetables.h
ALL: Sync with ScummVM rev: c52f7e0e0402054ecb43ecef413f9eb0f2182b84
2020-10-05 14:54:26 +02:00
crc.h
COMMON: Fix build with old GCC
2021-08-11 12:01:40 +02:00
dcl.cpp
…
dcl.h
JANITORIAL: Remove trailing whitespaces
2021-05-04 11:46:30 +03:00
dct.cpp
ALL: synced with ScummVM commit 09bf38c1207aa32b9966e8642ee60e2186e15789
2020-05-09 20:05:54 +02:00
dct.h
ALL: Sync with ScummVM rev: c52f7e0e0402054ecb43ecef413f9eb0f2182b84
2020-10-05 14:54:26 +02:00
debug-channels.h
COMMON: Persist global debug channels between engine runs
2021-08-16 21:33:15 +02:00
debug.cpp
COMMON: Persist global debug channels between engine runs
2021-08-16 21:33:15 +02:00
debug.h
COMMON: Keep only one instance of global debug flags
2021-08-16 20:43:16 +02:00
dialogs.h
DOXYGEN: Doxygen improvements part 3
2020-11-04 19:42:34 +00:00
enc-internal.h
COMMON: Add conversion table for DOS862 encoding
2021-07-22 00:06:25 +03:00
endian.h
JANITORIAL: Remove trailing whitespaces
2021-05-04 11:46:30 +03:00
error.cpp
…
error.h
JANITORIAL: Replace spaces in indentation with tabs
2021-04-15 21:20:36 +02:00
events.cpp
EVENTRECORDER: ignore other event sources when playing back a record
2021-07-08 15:05:35 +02:00
events.h
BASE: Purge keyboard/mouse events before running Engine
2021-08-23 15:46:33 -05:00
fft.cpp
ALL: Sync with ScummVM - rev. cd37d510f93a7e9ba35a442d2a3d15de9f4846da
2019-01-26 20:47:55 +01:00
fft.h
DOXYGEN: Doxygen improvements part 3
2020-11-04 19:42:34 +00:00
file.cpp
COMMON: Do not try to create "." directory in DumpFile
2021-08-08 17:44:14 +02:00
file.h
ALL: Use Path type in File functions
2021-08-07 10:44:37 +02:00
forbidden.h
COMMON: Improve debugging of forbidden symbol issues
2021-04-27 04:05:11 +01:00
foreach.h
…
frac.h
DOXYGEN: Doxygen improvements part 3
2020-11-04 19:42:34 +00:00
fs.cpp
BACKENDS: Use FSNode::getName in string operations
2021-08-23 21:22:27 +01:00
fs.h
BACKENDS: Use U32String for FSNode::getDisplayName
2021-08-23 21:22:27 +01:00
func.h
ALL: Sync with ScummVM rev: a4002bdeee5ec11b4e5968912c0dc759bb60c8a3
2020-10-04 23:59:26 +02:00
gui_options.cpp
SCI: Add SQ1 option to enable bearded musicians
2021-08-09 16:40:38 -05:00
gui_options.h
SCI: Add SQ1 option to enable bearded musicians
2021-08-09 16:40:38 -05:00
hash-ptr.h
DOXYGEN: Doxygen improvements part 3
2020-11-04 19:42:34 +00:00
hash-str.h
COMMON: Merge code for str.cpp and ustr.cpp
2020-10-31 14:05:30 +01:00
hashmap.cpp
COMMON: Correctly specialize unknownKeyError for int.
2021-02-21 15:33:26 +00:00
hashmap.h
JANITORIAL: Remove trailing whitespaces
2021-05-04 11:46:30 +03:00
huffman.h
JANITORIAL: Remove trailing whitespaces
2021-05-04 11:46:30 +03:00
iff_container.cpp
…
iff_container.h
JANITORIAL: Remove trailing whitespaces
2021-05-04 11:46:30 +03:00
ini-file.cpp
AGI: support new WinAGI *.wag file format
2021-02-15 03:02:23 +02:00
ini-file.h
JANITORIAL: Remove trailing whitespaces
2021-05-04 11:46:30 +03:00
initializer_list.h
COMMON: Add include guard on initializer_list.h
2021-02-08 10:54:20 +01:00
installshield_cab.cpp
ALL: Use Path type in Archive functions
2021-08-07 10:44:37 +02:00
installshield_cab.h
COMMON: Add support for multi-file InstallShield cabinets
2021-05-15 23:03:19 +03:00
installshieldv3_archive.cpp
ALL: Use Path type in Archive functions
2021-08-07 10:44:37 +02:00
installshieldv3_archive.h
ALL: Use Path type in Archive functions
2021-08-07 10:44:37 +02:00
inttypes.h
COMMON: Modern MSVC has inttypes.h
2021-03-03 11:17:28 +00:00
json.cpp
ALL: Sync with ScummVM rev. 55dba55056b842e02475d8c95fa621f431b5e3be
2019-12-08 17:06:42 +01:00
json.h
ALL: Synced with ScummVM - rev 0b777c23a9807d149a11d4df5ea3f4e748fb53f2
2020-08-11 00:59:40 +02:00
keyboard.h
JANITORIAL: Remove trailing whitespaces
2021-05-04 11:46:30 +03:00
language.cpp
COMMON: Add constants for new Director game languages
2021-08-31 11:44:44 +02:00
language.h
COMMON: Add constants for new Director game languages
2021-08-31 11:44:44 +02:00
list_intern.h
…
list.h
JANITORIAL: Replace spaces in indentation with tabs
2021-04-15 21:20:36 +02:00
localization.cpp
…
localization.h
JANITORIAL: Remove trailing whitespaces
2021-05-04 11:46:30 +03:00
macresman.cpp
COMMON: Proper check for MacBinary presence. This fixes false positives for QT movies
2021-08-10 19:33:27 +02:00
macresman.h
COMMON: Use Path type in MacResManager functions
2021-08-07 10:44:37 +02:00
math.h
JANITORIAL: Replace spaces in indentation with tabs
2021-04-15 21:20:36 +02:00
md5.cpp
…
md5.h
ALL: Sync with ScummVM rev: a4002bdeee5ec11b4e5968912c0dc759bb60c8a3
2020-10-04 23:59:26 +02:00
mdct.cpp
ALL: Eliminate LOCAL_PI macro
2020-09-23 23:20:23 +02:00
mdct.h
…
memory.h
ALL: Sync with ScummVM rev: a4002bdeee5ec11b4e5968912c0dc759bb60c8a3
2020-10-04 23:59:26 +02:00
memorypool.cpp
…
memorypool.h
ALL: Sync with ScummVM rev: a4002bdeee5ec11b4e5968912c0dc759bb60c8a3
2020-10-04 23:59:26 +02:00
memstream.h
COMMON: Fix 34cbff9dc26363ed3c8e518b13bf54af395771da
2021-07-25 17:48:12 +02:00
module.mk
COMMON: Create Path type
2021-08-07 10:44:37 +02:00
mutex.cpp
ALL: Synced with ScummVM - rev: 33a47d23b85694015fe2aa340219d2b60db873f3
2020-09-03 02:21:14 +02:00
mutex.h
ALL: Sync with ScummVM rev: a4002bdeee5ec11b4e5968912c0dc759bb60c8a3
2020-10-04 23:59:26 +02:00
noncopyable.h
ALL: Sync with ScummVM rev: a4002bdeee5ec11b4e5968912c0dc759bb60c8a3
2020-10-04 23:59:26 +02:00
osd_message_queue.cpp
EVENTRECORDER: skip some getMillis for the event recorder
2021-07-08 15:05:35 +02:00
osd_message_queue.h
ALL: Sync with ScummVM rev: a4002bdeee5ec11b4e5968912c0dc759bb60c8a3
2020-10-04 23:59:26 +02:00
pack-end.h
…
pack-start.h
…
path.cpp
COMMON: Replace Path's += with append/join
2021-08-07 10:44:37 +02:00
path.h
COMMON: Replace Path's += with append/join
2021-08-07 10:44:37 +02:00
platform.cpp
COMMON: Add Macromedia/Adobe Shockwave as platform
2021-08-31 11:44:44 +02:00
platform.h
COMMON: Add Macromedia/Adobe Shockwave as platform
2021-08-31 11:44:44 +02:00
ptr.h
COMMON: Create DisposablePtr::getDispose()
2021-08-12 13:18:27 -04:00
punycode.cpp
COMMON: Use const references where possible in punycode
2021-09-04 23:15:23 +03:00
punycode.h
COMMON: Use const references where possible in punycode
2021-09-04 23:15:23 +03:00
queue.h
COMMON: Remove explicit ctors and copy assignment operator
2021-03-15 13:24:33 +00:00
quicktime.cpp
VIDEO: Use Path type in VideoDecoder functions
2021-08-07 10:44:37 +02:00
quicktime.h
VIDEO: Use Path type in VideoDecoder functions
2021-08-07 10:44:37 +02:00
random.cpp
COMMON: Change PRNG Function to Xorshift* (#3341)
2021-09-09 21:46:08 +03:00
random.h
COMMON: Change PRNG Function to Xorshift* (#3341)
2021-09-09 21:46:08 +03:00
rational.cpp
ALL: Sync with ScummVM rev. 55dba55056b842e02475d8c95fa621f431b5e3be
2019-12-08 17:06:42 +01:00
rational.h
ALL: Sync with ScummVM rev: a4002bdeee5ec11b4e5968912c0dc759bb60c8a3
2020-10-04 23:59:26 +02:00
rdft.cpp
ALL: Sync with ScummVM - rev. cd37d510f93a7e9ba35a442d2a3d15de9f4846da
2019-01-26 20:47:55 +01:00
rdft.h
ALL: Sync with ScummVM rev: a4002bdeee5ec11b4e5968912c0dc759bb60c8a3
2020-10-04 23:59:26 +02:00
recorderfile.cpp
EVENTRECORDER: Remove backwards compatibility
2021-09-09 19:32:02 +02:00
recorderfile.h
EVENTRECORDER: Remove backwards compatibility
2021-09-09 19:32:02 +02:00
rect.h
COMMON: Fix warnings with older compilers
2021-07-09 17:09:21 +01:00
rendermode.cpp
COMMON: Add translator's note for the Macintosh b/w render mode
2021-07-13 09:53:36 +02:00
rendermode.h
SCUMM: Add Macintosh b/w rendering mode
2021-07-13 09:53:36 +02:00
safe-bool.h
JANITORIAL: Replace spaces in indentation with tabs
2021-04-15 21:20:36 +02:00
savefile.h
COMMON: Introduce SaveFileManager::exists
2021-08-23 13:34:35 +02:00
scummsys.h
MSVC: Add compiler printf validation
2021-06-02 08:35:31 +03:00
serializer.h
COMMON: Add serializers for float and double types
2021-05-29 21:23:20 +01:00
sinetables.cpp
JANITORIAL: Remove trailing whitespaces
2021-05-04 11:46:30 +03:00
sinetables.h
JANITORIAL: Remove trailing whitespaces
2021-05-04 11:46:30 +03:00
sinewindows.cpp
…
sinewindows.h
…
singleton.h
ALL: Sync with ScummVM rev: a4002bdeee5ec11b4e5968912c0dc759bb60c8a3
2020-10-04 23:59:26 +02:00
span.h
ALL: Synced with ScummVM - rev: 33a47d23b85694015fe2aa340219d2b60db873f3
2020-09-03 02:21:14 +02:00
stack.h
ALL: Sync with ScummVM rev: a4002bdeee5ec11b4e5968912c0dc759bb60c8a3
2020-10-04 23:59:26 +02:00
str-array.h
ALL: Sync with ScummVM rev: a4002bdeee5ec11b4e5968912c0dc759bb60c8a3
2020-10-04 23:59:26 +02:00
str-enc.cpp
COMMON: Add conversion table for DOS862 encoding
2021-07-22 00:06:25 +03:00
str-enc.h
COMMON: Add conversion table for DOS862 encoding
2021-07-22 00:06:25 +03:00
str.cpp
COMMON: Replace matchString pathMode with general wildcard exclusions
2021-08-09 17:43:12 -04:00
str.h
COMMON: Replace matchString pathMode with general wildcard exclusions
2021-08-09 17:43:12 -04:00
stream.cpp
BACKENDS: Update all the backends to support SeekableWriteStream
2021-08-08 18:13:30 -07:00
stream.h
COMMON: Increase Stream pos, seek, size from int32 to int64
2021-07-08 18:24:28 -07:00
streamdebug.cpp
COMMON: Rename Common::Debug to Common::StreamDebug
2020-10-16 21:47:16 +02:00
streamdebug.h
COMMON: Rename Common::Debug to Common::StreamDebug
2020-10-16 21:47:16 +02:00
stuffit.cpp
ALL: Use Path type in Archive functions
2021-08-07 10:44:37 +02:00
stuffit.h
GRIM/GROOVIE: Move StuffIt archive code to Common (#2509)
2020-10-11 22:01:00 +02:00
substream.h
COMMON: Increase Stream pos, seek, size from int32 to int64
2021-07-08 18:24:28 -07:00
system.cpp
COMMON: removed USE_TTS check from engines
2021-05-03 14:13:41 +03:00
system.h
COMMON: Remove kFeatureHiDPI from OSystem and use getHiDPIScreenFactor instead
2021-08-13 21:41:33 +01:00
taskbar.h
COMMON: Fall back to engine icon in taskbar
2021-04-24 23:54:17 +01:00
text-to-speech.cpp
COMMON: Change TransMan builtin language to "en" instead of "C"
2021-08-04 19:28:47 +01:00
text-to-speech.h
COMMON: removed USE_TTS check from engines
2021-05-03 14:13:41 +03:00
textconsole.cpp
BACKENDS: Add OSystem::messageBox() and use it for error handling
2021-07-27 20:50:51 +02:00
textconsole.h
BACKENDS: Add OSystem::messageBox() and use it for error handling
2021-07-27 20:50:51 +02:00
timer.h
DOXYGEN: doxygen review on remaining common headers
2020-11-22 16:57:25 +00:00
tokenizer.cpp
ALL: Synced with ScummVM - rev: 33a47d23b85694015fe2aa340219d2b60db873f3
2020-09-03 02:21:14 +02:00
tokenizer.h
ALL: Sync with ScummVM rev: a4002bdeee5ec11b4e5968912c0dc759bb60c8a3
2020-10-04 23:59:26 +02:00
translation.cpp
COMMON: Change TransMan builtin language to "en" instead of "C"
2021-08-04 19:28:47 +01:00
translation.h
JANITORIAL: Replace spaces in indentation with tabs
2021-04-15 21:20:36 +02:00
type-traits.h
ALL: synced with ScummVM commit 09bf38c1207aa32b9966e8642ee60e2186e15789
2020-05-09 20:05:54 +02:00
types.h
…
unarj.cpp
ALL: Use Path type in Archive functions
2021-08-07 10:44:37 +02:00
unarj.h
ALL: Sync with ScummVM rev: a4002bdeee5ec11b4e5968912c0dc759bb60c8a3
2020-10-04 23:59:26 +02:00
unicode-bidi.cpp
COMMON: Support Farsi at convertBiDiString(input, lang, dir)
2021-06-18 23:03:36 +03:00
unicode-bidi.h
COMMON: Introduce BiDi paragraph direction types
2021-06-18 23:03:36 +03:00
unzip.cpp
ALL: Use Path type in Archive functions
2021-08-07 10:44:37 +02:00
unzip.h
ALL: Sync with ScummVM rev: a4002bdeee5ec11b4e5968912c0dc759bb60c8a3
2020-10-04 23:59:26 +02:00
updates.cpp
ALL: Synced with ScummVM - rev: 33a47d23b85694015fe2aa340219d2b60db873f3
2020-09-03 02:21:14 +02:00
updates.h
ALL: Sync with ScummVM rev: a4002bdeee5ec11b4e5968912c0dc759bb60c8a3
2020-10-04 23:59:26 +02:00
ustr.cpp
COMMON: Add constructor to make U32String from a character
2021-07-15 16:31:47 -04:00
ustr.h
COMMON: Add constructor to make U32String from a character
2021-07-15 16:31:47 -04:00
util.cpp
COMMON: Fix ConfMan.getBool() to correctly process missing values
2021-04-19 23:09:00 +02:00
util.h
JANITORIAL: Remove trailing whitespaces
2021-05-04 11:46:30 +03:00
winexe_ne.cpp
COMMON: Fix _disposeFileHandle not being set
2021-09-06 08:01:08 +02:00
winexe_ne.h
COMMON: Fix loading version information from 16-bit executables
2021-07-15 13:55:33 +02:00
winexe_pe.cpp
COMMON: Fix Valgrind warning in PEResources
2021-09-06 08:37:25 +02:00
winexe_pe.h
COMMON: Fix loading version information from 16-bit executables
2021-07-15 13:55:33 +02:00
winexe.cpp
COMMON: Don't decompress more bytes than the file specifies (bug 12900)
2021-09-05 21:26:49 +03:00
winexe.h
COMMON: Fix loading version information from 16-bit executables
2021-07-15 13:55:33 +02:00
xmlparser.cpp
ALL: Synced with ScummVM - rev: d4db631f9b72f9f39b0e76de19e56e445e5c4f64
2020-09-23 21:52:10 +02:00
xmlparser.h
JANITORIAL: Remove trailing whitespaces
2021-05-04 11:46:30 +03:00
zlib.cpp
COMMON: Increase Stream pos, seek, size from int32 to int64
2021-07-08 18:24:28 -07:00
zlib.h
JANITORIAL: Remove trailing whitespaces
2021-05-04 11:46:30 +03:00