readme.md · weimingtom2000/lua-wow

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**

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

weimingtom2000/lua-wow

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