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102 lines
1.9 KiB
Markdown
102 lines
1.9 KiB
Markdown
# Intro
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The aim of this project is to reverse GTA III for PC by replacing
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parts of the game [one by one](https://en.wikipedia.org/wiki/Ship_of_Theseus)
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such that we have a working game at all times.
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# Strategy
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A good approach is to start at the fringes of the code base,
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i.e. classes that don't depend on code that we don't have reversed yet.
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If a function uses only few unreversed functions that would be inconvenient
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to reverse at the time, calling the original functions is acceptable.
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# Progress
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This is a list of some things that have been reversed to some non-trivial extent.
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Not everything is listed, check the code.
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```
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CPool
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CTxdStore
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CVector
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CVector2D
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CMatrix
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CModelInfo
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CBaseModelInfo
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CSimpleModelInfo
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CTimeModelInfo
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CClumpModelInfo
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CPedModelInfo
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CVehicleModelInfo
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CVisibilityPlugins
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CRenderer
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CEntity
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CPhysical
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CCollision
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CCullZones
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CTheZones
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CPathFind
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```
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# Low hanging fruit
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There are a couple of things that have been reversed for other projects
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already that could probably be put into this project without too much effort.
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Again, the list is not complete:
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* Animation (https://github.com/aap/iii_anim)
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* File Loader (https://github.com/aap/librwgta/tree/master/tools/IIItest)
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* ...
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# Coding style
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I started writing in [Plan 9 style](http://man.cat-v.org/plan_9/6/style),
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but realize that this is not the most popular style, so I'm willing to compromise.
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Try not to deviate too much so the code will look similar across the whole project.
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To give examples, these two styles (or anything in between) are fine:
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```
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type
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functionname(args)
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{
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if(a == b){
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s1;
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s2;
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}
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if(x != y)
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s3;
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}
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type functionname(args)
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{
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if (a == b) {
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s1;
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s2;
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}
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if (x != y)
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s3;
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}
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```
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This one (or anything more extreme) is heavily discouraged:
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```
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type functionname ( args )
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{
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if ( a == b )
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{
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s1;
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s2;
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}
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if ( x != y )
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{
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s3;
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}
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}
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```
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Indentation is done with TABS.
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