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Lua API improvements + direct UEVR integration #255

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Lua API improvements + direct UEVR integration #255

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praydog
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@praydog praydog commented Jun 17, 2024 •
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Important additions

  • Added LuaLoader to UEVR menu, scripts can be loaded from <config folder>/scripts/*.lua

Lua API improvements

Properties can now be accessed and set

  • Boolean, integer, floating point properties
  • FName, UObject properties
  • Array properties (getter only, of UObject* elements)

TODO: StructProperty (vectors etc), ClassProperty, ByteProperty, EnumProperty

Functions can now be called on objects

ex:

local game_engine_class = uevr.api:find_uobject("Class /Script/Engine.GameEngine")
local game_engine = UEVR_UObjectHook.get_first_object_by_class(game_engine_class)
local game_instance = game_engine.GameInstance
local local_players = game_instance.LocalPlayers
local player = local_players[1]
local player_controller = player.PlayerController
local pawn = player_controller.Pawn

local lifespan = pawn:GetLifeSpan() -- function calling with return values
pawn:SetLifeSpan(lifespan + 1.0) -- function calling with arguments
  • Boolean, integer, floating point parameters
  • FName, UObject parameters

TODO: StructProperty (vectors etc), Array parameters, out parameters, ByteProperty, EnumProperty

@praydog
Lua: Add LuaLoader, Lua API improvements
2347677
@praydog
Lua: Fix initial run not executing on game thread
14fa2c6
@praydog
Plugins: Fix huge bug with remove_callback
18e7b9e
@praydog
Lua: Stability improvements on script reset
2c44167
@praydog
Lua: Fix execute_command not working
8fb6c3d
@praydog
Lua: improvement to UI layout
c2994ca
@praydog
Merge branch 'master' into lua-api
49c3623
@praydog
Lua: Some fixes, basic UObject property getters
bca07ec
@praydog
Merge branch 'master' into lua-api
51153a4
@praydog
Merge branch 'master' into lua-api
868d9dc
@praydog
Merge branch 'master' into lua-api
fc2c32c
@praydog
Lua: Add basic auto type-resolving get_property
4800848
@praydog
Merge branch 'master' into lua-api
2ba4fe9
@praydog
Merge branch 'master' into lua-api
f06754d
@praydog
Merge branch 'master' into lua-api
a544e3d
@praydog
Lua: Add support for TArray<UObject*>
62444ea
@praydog
Lua: Add example script
1dfa166
@praydog
Lua: Add support for directly indexing properties
5c281ff
@praydog
Lua: Add support for setting properties
a88cab3
@praydog
Merge branch 'master' into lua-api
5b07a66
@praydog
Merge branch 'master' into lua-api
c18ee40
@praydog
Lua: Add basic function calling
43859e5
@praydog
Lua: Fix incorrect return value
64e8e8c
@praydog praydog self-assigned this Jun 17, 2024
mrbelowski
mrbelowski reviewed Jun 17, 2024
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lua-api/lib/src/ScriptContext.cpp Outdated
const auto desc = c->find_property(name.c_str());

if (desc == nullptr) {
return;
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@mrbelowski mrbelowski Jun 17, 2024 •
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should these early returns log something to help the script developer? If the property / class isn't found (typo, wrong path, whatever) then the failing set_property call might go unnoticed

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yeah, I can add a throw

mrbelowski
mrbelowski approved these changes Jun 17, 2024
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Looks good

@praydog praydog linked an issue Jun 25, 2024 that may be closed by this pull request
[Request] for more info regarding the UEVR Lua API #246
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@praydog praydog mentioned this pull request Jun 28, 2024
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@mrbelowski mrbelowski mrbelowski approved these changes

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[Request] for more info regarding the UEVR Lua API
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