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World of Warcraft version by Matthew Orlando

See readme-lua.txt for the original README

This version of Lua is configured to match (more or less) the lua environment of World of Warcraft.

• All 5.0-5.1 compatability options have been disabled except openlib
• The bitlib library is included
• Some WoW-specific, Lua library-like functions are implemented (see below)
• Global aliases to Lua functions are provided (see below)
• string.format can use argument selection from Lua 4.0. E.g: string.format("%2$d, %1$d, %d", 1, 2) == "2, 1, 2"
• Ignores the UTF-8 Byte Order Mark at the beginning of a file
• Max stack size increased to 4096

Note: the Windows binaries included in this download are statically linked for performance and file size. They may not function as expected when used with certain third-party packages. Please compile it from source (available at the above URL).

WoW-specific functions

All WoW-specific functions are implemented in the 'wow' package for simplicity's sake:

wow.strtrim
wow.strsplit
wow.strjoin
wow.strconcat
wow.strreplace
wow.getglobal
wow.setglobal
wow.debugstack (currently ignores top and bottom counts)
wow.scrub
wow.tostringall

The global versions (and the few that are added to the string table) are aliased below.

Aliases

os

date = os.date
time = os.time
difftime = os.difftime

math

abs = math.abs
acos = function (x) return math.deg(math.acos(x)) end
asin = function (x) return math.deg(math.asin(x)) end
atan = function (x) return math.deg(math.atan(x)) end
atan2 = function (x,y) return math.deg(math.atan2(x,y)) end
ceil = math.ceil
cos = function (x) return math.cos(math.rad(x)) end
deg = math.deg
exp = math.exp
floor = math.floor
frexp = math.frexp
ldexp = math.ldexp
log = math.log
log10 = math.log10
max = math.max
min = math.min
mod = math.fmod
PI = math.pi
rad = math.rad
random = math.random
randomseed = math.randomseed
sin = function (x) return math.sin(math.rad(x)) end
sqrt = math.sqrt
tan = function (x) return math.tan(math.rad(x)) end

string

format = string.format
gmatch = string.gmatch
gsub = string.gsub
strbyte = string.byte
strchar = string.char
strfind = string.find
strlen = string.len
strlower = string.lower
strmatch = string.match
strrep = string.rep
strrev = string.reverse
strsub = string.sub
strupper = string.upper

table

foreach = table.foreach
foreachi = table.foreachi
getn = table.getn
sort = table.sort
tinsert = table.insert
tremove = table.remove

wow

strtrim = wow.strtrim
string.trim = wow.strtrim
strsplit = wow.strsplit
string.split = wow.strsplit
strjoin = wow.strjoin
string.join = wow.strjoin
strconcat = wow.strconcat
strreplace = wow.strreplace
string.replace = wow.strreplace
getglobal = wow.getglobal
setglobal = wow.setglobal
debugstack = wow.debugstack
scrub = wow.scrub
tostringall = wow.tostringall
wipe = wow.wipe
table.wipe = wow.wipe

Version History

v1.12

• Added scrub, tostringall, wipe
• Visual Studio project upgraded to Visual Studio 2008
• Visual C++ Runtime is now statically linked which should eliminate some problems running lua-wow under certain Windows installations

v1.11

• Added strrelpace (string.replace, wow.strreplace)

v1.10.1

• Added msvcr80.dll to the windows project

v1.10

• Reorganized readme files
• Renamed msvc projects and the names of the exe output
• msvc project includes the Lua icon and version resources for the executables

v1.9

• Added PI
• Global versions of trigonometric functions now correctly use degrees
• strsplit will print an appropriate error message if it overflows the stack
• It should no longer be practically possible to overflow the stack with strjoin

v1.8

• Re-enabled 5.0 openlib compatibility since WoW does not use libs anyway

v1.7

• Changed GCPAUSE to 110 per WoW 2.1
• Eliminated a few miscellaneous compiler warnings

v1.6.1

• Added #define LUA_LIB to lwowlib & lbitlib to fix compilation problems

v1.6

• Updated bitlib to the latest version
• Bitlib now correctly uses 32-bit integers as does WoW
• The global aliases to bitlib functions and table.setn have been removed since they do not exist in WoW

v1.5.1

• Ignores UTF-8 Byte Order Mark

v1.5

• Added debugstack() (not fully implemented--see below)
• Made some slight optimizations/code simplifications

v1.4

• Added argument selection to string.format

v1.3.1

• Fixed Makefile problem

v1.3

• Added blizzard-specific functions & global aliases (see below)

v1.2

• This package can now be used as a drop-in replacement for the standard lua source distribution: The MSVC project (including precompiled windows binaries) is now found in the msvc subdirectory; the rest of the directory structure is untouched.

v1.1

• Added BitLib. Optimized file size of Luac.exe. Includes test Lua programs that come with standard Lua distribution.

1.0 - Initial Release