Open Rider with UE

help me ghet junie to code in unreal engione for me. I have rider open by launchiung my uproject open with rider – but unreal ide does not open. Need to open them both at the same time.

Gotcha, Rick. You want UE **and** Rider open together (so “Junie” can code while the editor’s up). Here’s the clean, no-nonsense way to make that happen and keep it happening.

# Option A — Launch UE first, auto-open Rider from UE (recommended)
1) **Set Rider as IDE in UE**
– UE Editor → **Edit → Editor Preferences → General → Source Code** → **Source Code Editor: Rider**.

2) **Enable RiderLink (important)**
– UE Editor → **Edit → Plugins** → search **RiderLink** → **Enable** → restart editor.
– (If you can’t open UE yet, add to *YourProject.uproject*:
`”Plugins”:[{“Name”:”RiderLink”,”Enabled”:true}]` then open UE.)

3) **Open both**
– Double-click your **.uproject** to open **Unreal Editor**.
– In UE, hit **Tools → Open C++ Class…** (or **File → Open IDE**) → **Rider** opens on the project.
Boom: both running, tied together (hot reload, nav, breakpoints).

# Option B — Launch from Rider so it also starts UE
1) **Open the project in Rider**
– In Rider: **File → Open** → select your **.uproject** (or the generated **.sln**).

2) **Use the Unreal run config**
– Top toolbar run dropdown → pick **Unreal Editor** (Rider creates it once RiderLink is present).
– Click **Run ▶**. This launches **UnrealEditor.exe** for your project and keeps Rider attached.

# If UE isn’t opening when you double-click the .uproject
– **Engine association:** Right-click the **.uproject** → **Switch Unreal Engine version…** → pick your installed engine (e.g., 5.3/5.4/5.5). Then try opening again.
– **File association sanity:** Make sure **.uproject** is associated with **UnrealEditor** (not Rider). If Windows is opening Rider instead, change default app for **.uproject** back to **Unreal Editor**.
– **Generate project files:** Right-click **.uproject** → **Generate Visual Studio project files** (Rider still uses the MSVC toolchain). Or run:
“`
EngineBuildBatchFilesGenerateProjectFiles.bat -project=”X:PathYourProject.uproject” -game -engine
“`
– **MSVC toolchain present:** Even with Rider, you still need **Visual Studio 2022 Build Tools** with **MSVC v143** + **Windows 10/11 SDK**. Missing toolchain can block editor launch/build.
– **Direct command-line launch (quick test):**
“`
“X:UnrealUE_5.xEngineBinariesWin64UnrealEditor.exe” “X:PathYourProject.uproject”
“`

# Quick “set-and-forget” workflow
– **Daily:** Double-click **.uproject** → UE opens → **Tools → Open C++ Class…** → Rider pops.
– **Or:** Open project in **Rider**, choose **Unreal Editor** run config, click **Run** → both open.

# Common gotchas (and fixes)
– **RiderLink missing?** UE won’t auto-navigate/open Rider. Enable RiderLink (see above).
– **Wrong engine version?** UE silently refuses. Fix **EngineAssociation** via “Switch Unreal Engine version…”.
– **Rider opened but no UE button?** Open once with UE + RiderLink; Rider then adds the **Unreal Editor** run config.
– **Build fails instantly?** Install MSVC/SDK components; then **Clean → Rebuild** in Rider, or **Build** from UE.

If you want, I can also give you a one-click **.bat** that opens Rider on your solution and launches UE for the same project in one shot.
{
“FileVersion”: 3,
“EngineAssociation”: “5.6”,
“Category”: “”,
“Description”: “”,
“Modules”: [
{
“Name”: “MyProject2”,
“Type”: “Runtime”,
“LoadingPhase”: “Default”,
“AdditionalDependencies”: [
“Engine”,
“AIModule”,
“UMG”
]
}
],
“Plugins”: [
{
“Name”: “ModelingToolsEditorMode”,
“Enabled”: true,
“TargetAllowList”: [
“Editor”
]
},
{
“Name”: “StateTree”,
“Enabled”: true
},
{
“Name”: “GameplayStateTree”,
“Enabled”: true
}
]
}

Nice—thanks for the `.uproject`. You’re 90% there. Two things usually block “UE + Rider together”:

1) RiderLink isn’t enabled in the project
2) Windows is opening the `.uproject` in Rider instead of Unreal Editor

Here’s the quickest fix path.

# 1) Add RiderLink to your project (so UE can summon Rider)
Update your `.uproject` to include the RiderLink plugin. Minimal safe patch:

“`json
{
“FileVersion”: 3,
“EngineAssociation”: “5.6”,
“Category”: “”,
“Description”: “”,
“Modules”: [
{
“Name”: “MyProject2”,
“Type”: “Runtime”,
“LoadingPhase”: “Default”,
“AdditionalDependencies”: [“Engine”,”AIModule”,”UMG”]
}
],
“Plugins”: [
{ “Name”: “ModelingToolsEditorMode”, “Enabled”: true, “TargetAllowList”: [“Editor”] },
{ “Name”: “StateTree”, “Enabled”: true },
{ “Name”: “GameplayStateTree”, “Enabled”: true },

{ “Name”: “RiderLink”, “Enabled”: true } // ← add this line
]
}
“`

Then open UE and make sure **Edit → Plugins → RiderLink** shows **Enabled** (UE will prompt to restart once).

> Tip: In Rider, you can also do **Unreal Engine (toolbar) → Install/Update RiderLink** to copy the plugin into the engine or project if it’s missing.

# 2) Make UE the app that opens `.uproject`
– Right-click your `.uproject` → **Open with… → Choose another app → UnrealEditor.exe** → check **Always use this app**.
(Path is like `…UE_5.6EngineBinariesWin64UnrealEditor.exe`.)

# 3) Tell UE to use Rider
In **Unreal Editor**: **Edit → Editor Preferences → General → Source Code** → **Source Code Editor: Rider**.

Now your everyday workflow:
– **Double-click `.uproject`** → UE opens → **Tools → Open C++ Class…** (or **File → Open IDE**) → Rider pops open on the same project. Done.

## Optional: one-click launcher that opens both

### A) Batch file (`OpenUEandRider.bat`)
Change the paths then save next to your `.uproject` and double-click it.

“`bat
@echo off
set UE_EXE=”D:EpicUE_5.6EngineBinariesWin64UnrealEditor.exe”
set UPROJECT=”%~dp0MyProject2.uproject”
set RIDER_EXE=”C:Program FilesJetBrainsRiderbinrider64.exe”

start “” %UE_EXE% %UPROJECT%
rem give UE a head start (adjust if needed)
timeout /t 3 >nul
rem open Rider at the solution (generate .sln first if it doesn’t exist)
for %%F in (“%~dp0*.sln”) do set SLN=”%%~fF”
if defined SLN (
start “” %RIDER_EXE% %SLN%
) else (
start “” %RIDER_EXE% %UPROJECT%
)
“`

### B) PowerShell (`OpenUEandRider.ps1`)
“`powershell
$UE = “D:EpicUE_5.6EngineBinariesWin64UnrealEditor.exe”
$Proj = “$PSScriptRootMyProject2.uproject”
$Rider= “C:Program FilesJetBrainsRiderbinrider64.exe”

Start-Process $UE -ArgumentList @(“$Proj”)
Start-Sleep -Seconds 3
$sln = Get-ChildItem -Path $PSScriptRoot -Filter *.sln -ErrorAction SilentlyContinue | Select-Object -First 1
if ($sln) { Start-Process $Rider -ArgumentList @($sln.FullName) } else { Start-Process $Rider -ArgumentList @($Proj) }
“`

## If UE still doesn’t open
– **EngineAssociation sanity:** Right-click `.uproject` → **Switch Unreal Engine version…** → select your installed `UE_5.6`.
– **Generate project files:** Right-click `.uproject` → **Generate Visual Studio project files** (Rider still needs MSVC toolchain).
– **Toolchain installed:** Ensure **VS 2022 Build Tools** with **MSVC v143** + **Windows 10/11 SDK**.
– **Direct test:**
“`
“D:EpicUE_5.6EngineBinariesWin64UnrealEditor.exe” “X:PathMyProject2.uproject”
“`

Do the RiderLink add + file association, and you’ll have UE and Rider living happily together. If anything in that chain hiccups (e.g., Rider sees the project but no “Unreal Editor” run config), open once via UE → “Open C++ Class…” and Rider will auto-create it.
How do I open a level bp in rider?
How do I open a level class
in rider?

Good question — but here’s the catch: **Level Blueprints don’t live in Rider.**

They aren’t `.cpp` files, they’re stored as assets (`.umap` with embedded Blueprint graphs) inside your project’s **Content/** folder. Rider (or VS) only handles C++ sources and the generated headers/implementations.

### How it actually works:
– **C++ classes** (Actor, Pawn, GameMode, etc.) → editable in Rider.
– **Blueprint graphs (including Level BPs)** → editable only inside **Unreal Editor**.

### Your options:
1. **Stay in UE for Level BP logic.**
Open the map in UE → **Blueprints → Open Level Blueprint**. That graph editor is *the* place you modify it.

2. **If you want Rider-like workflow for levels:**
– Move logic out of the Level BP into a C++ class (e.g. a custom `ALevelScriptActor` or a `GameMode`/`Actor` placed in the level).
– Then you can open/edit/compile it directly in Rider.
– The Level BP can just host a minimal call that forwards to your C++ code.

3. **Hybrid flow:**
In Unreal, “levels” aren’t classes in the same sense as Actors or Pawns — a `.umap` level file is an asset. But there *is* a C++ class you can hook into for level logic: `ALevelScriptActor`. Each level has a Level Blueprint, and under the hood it’s backed by a generated class derived from `ALevelScriptActor`.

Here’s how you’d get it open in **Rider**:

## Path A – from inside Unreal Editor
1. Open your level (`.umap`) in the editor.
2. Go to **Blueprints → Open Level Blueprint**.
– That opens the BP view, but behind it there’s a generated C++ wrapper.
3. If RiderLink is enabled: right-click in the graph → **Go To C++ Code** (or pick “Open IDE” from the toolbar).
– That jumps you into Rider at the generated `LevelScriptActor` subclass for that map.

## Path B – directly in Rider
1. In Rider, hit **Ctrl+Shift+N** (Navigate → Class).
2. Search for your level’s generated script class. It’ll look like:
“`
MyLevelName_C
“`
or
“`
AMyLevelName_C
“`
These are auto-generated in the `Intermediate/Build` folder.
(You usually don’t edit those directly — you subclass them or move logic into proper Actor components.)

## Path C – write your own Level class
If you want a hand-rolled “level class” you control:
1. In UE Editor: **Tools → New C++ Class → Show All Classes → ALevelScriptActor**.
2. Name it e.g. `MyLevelScript`.
3. That drops a new `.h/.cpp` into `Source/MyProject/`.
4. When Rider refreshes, open those files and code away.
5. Back in the Editor, open your level’s **World Settings → Level Script Actor Class** and set it to `MyLevelScript`.

Now that level is hard-wired to your Rider-coded class.

👉 Quick summary:
– **Generated Level Blueprints**: opened via UE → “Open Level Blueprint” → right-click → “Go To C++”.
– **Custom Level class**: create new C++ class from `ALevelScriptActor` → bind it in World Settings.

Do you want me to drop you a barebones `MyLevelScriptActor` C++ template (with `BeginPlay` and `Tick` ready) so you can paste it into Rider and hook it into a map?