Simple Lua-scriptable runtime binary patcher
$ cargo build --releaseCopy target/release/bitfix.dll next to the exe to be patched and name it something that will get loaded, such as d3d9.dll or x3daudio1_7.dll.
Lua patches will be loaded from a bitfix/ directory.
Increasing MaxAttackers to 200 in DRG:
-- bitfix/max_attackers.lua
return {
{
--- UPlayerAttackPositionComponent::GetScore
pattern = '48 89 5C 24 08 48 89 6C 24 10 48 89 74 24 18 57 48 83 EC 30 48 8B 01 41 0F',
match = function(ctx)
ctx[ctx:address() + 89] = 200
ctx[ctx:address() + 187] = 200
end
},
{
--- UAttackerPositioningComponent::UAttackerPositioningComponent
pattern = '48 89 5C 24 08 48 89 6C 24 10 48 89 74 24 18 48 89 7C 24 20 41 56 48 81 EC D0 00 00 00 48 8B F9 E8 ?? ?? ?? ?? 48 8B D0 48 8B CF E8 ?? ?? ?? ?? 33 DB',
match = function(ctx)
ctx[ctx:address() + 56] = 200
end
}
}