Difference between revisions of "LUA"
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| − | '''LUA''' is an imperative programming language, designed in 1993 by Roberto Ierusalimschy, Luiz Henrique de Figueiredo, and Waldemar Celes, members of the Computer Graphics Technology Group (Tecgraf) at PUC-Rio, the Pontifical University of Rio de Janeiro, in Brazil. "Lua" means "Moon" in Portuguese. Lua is used in [[SimCity 4]] for the generation of help texts, creation of rewards and other types of codes. | + | '''LUA''' is an imperative programming language, designed in 1993 by Roberto Ierusalimschy, Luiz Henrique de Figueiredo, and Waldemar Celes, members of the Computer Graphics Technology Group (Tecgraf) at PUC-Rio, the Pontifical University of Rio de Janeiro, in Brazil. "Lua" means "Moon" in Portuguese. Lua is used in [[SimCity 4]] for the generation of help texts, creation of rewards, defining [[U-Drive-It]] missions, and other types of codes. |
More information about Lua can be found on the [http://www.lua.org/ official site] and on [http://en.wikipedia.org/wiki/Lua_(programming_language) Wikipedia]. | More information about Lua can be found on the [http://www.lua.org/ official site] and on [http://en.wikipedia.org/wiki/Lua_(programming_language) Wikipedia]. | ||
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Instance by: CRC24Polynomial = 0x01864cfb, CRC24Seed = 0x00b704ce, return (CRC24(from, false) | 0xFF000000) | Instance by: CRC24Polynomial = 0x01864cfb, CRC24Seed = 0x00b704ce, return (CRC24(from, false) | 0xFF000000) | ||
| − | *[[LUAAdvice]] | + | The types of LUA files are: |
| − | *[[ | + | *[[LUAAdvice|Advice LUA's]] |
| − | *[[ | + | *[[LUAAdvisors|Advisor Definitions Script]] |
| − | *[[LUAMission]] | + | *[[LUADefs|LUA Definitions]] |
| + | *[[LUAMission|Mission LUA Files]] | ||
*[[LUAObject]] | *[[LUAObject]] | ||
| − | *[[LUASystem]] | + | *[[LUASystem|System LUA Files]] |
| − | *[[LUATutorials]] | + | *[[LUATutorials|Tutorial Scripts]] |
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[[Category:File Formats/SC4]] | [[Category:File Formats/SC4]] | ||
| + | [[Category:Modding]] | ||
[[Category:MTS2]] | [[Category:MTS2]] | ||
Latest revision as of 18:54, 8 August 2019
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LUA is an imperative programming language, designed in 1993 by Roberto Ierusalimschy, Luiz Henrique de Figueiredo, and Waldemar Celes, members of the Computer Graphics Technology Group (Tecgraf) at PUC-Rio, the Pontifical University of Rio de Janeiro, in Brazil. "Lua" means "Moon" in Portuguese. Lua is used in SimCity 4 for the generation of help texts, creation of rewards, defining U-Drive-It missions, and other types of codes.
More information about Lua can be found on the official site and on Wikipedia.
Contents
Use in SimCity 4
Lua has many uses in SimCity 4, as mentioned above. The exact format used can vary depending on the use. The formats below are courtesy of Karybdis.
Instance by: CRC24Polynomial = 0x01864cfb, CRC24Seed = 0x00b704ce, return (CRC24(from, false) | 0xFF000000)
The types of LUA files are:
- Advice LUA's
- Advisor Definitions Script
- LUA Definitions
- Mission LUA Files
- LUAObject
- System LUA Files
- Tutorial Scripts
Binary LUA
The following format is for binary Lua scripts, and was developed by Quaxi.
Here are the first things known about the .objLua and .globalObjLua:
General Format
DWord: 1b 4c 75 61 (ID) Byte: Version 16-Bytes: Header ---> Root "Function Block"
Function Block
Dword: Character count n n-Byte: Name of the Function (null terminated) 5-Byte: unknown Byte: argument Count Byte: unknown Byte: stack Size 12-Byte: 00 4-Byte: constant counter ---> Loop Constant Block 4-Byte: functions counter ---> Loop Function Block 4-Byte: instruction counter ---> Loop Instruction Block
Instruction Block
(a=Operand a, b=Operand b, c=Operand c, o=Opcode):
Dword: aaaa aaaa bbbb bbbb bccc cccc ccoo oooo
This Document lists the available opcodes: http://www.tecgraf.puc-rio.br/~lhf/ftp/doc/sblp2005.pdf
Constant Block
Byte: ConstantType ----> Constant Data
List of Known Constant Data Types
0x00 = Empty, Null - This seems to mark an empty block
0x03 = Number
DWord: Unknown
DWord: Unknown
0x04 = Strings
DWord: Length n of the following PString
n-Bytes: Instruction Name, null-terminated
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