CORE/docs/install.md

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# Installing CORE
## Step 1: Downloading the *CORE Manager*
Before we install CORE, we first have to download the **CORE Manager**. It is responsible for installing CORE and downloading updates.<br/>
#### Windows: [CORE-Manager.exe](https://git.staropensource.de/staropensource/core-manager/releases/download/b0/CORE-Manager.exe)
#### Linux: [CORE-Manager.elf](https://git.staropensource.de/staropensource/core-manager/releases/download/b0/CORE-Manager.elf)
#### macOS: Use `wine` to run `CORE-Manager.exe`
## Step 2: Using the *CORE Manager*
Launch `CORE-Manager.exe` or `CORE-Manager.elf` and type in the path to your Godot project ***(replace backslashes with regular slashes on Windows)***. Click on `Install` and wait until it's finished.
**Note: If you are updating CORE, click on `Update` instead.**
## Step 3: Configuring your project
Launch your project in the Godot Editor and go to your project settings. You now need to set your startup scene to `res://CORE/coreinit.tscn`.
## Step 4: Configuring CORE
Edit the `res://CORE/config.gd` file and set the `core_startscript` variable to a GDScript file. That GDScript file will act as your init script and can be used to load your game. You can find the `config.gd` reference [here](/references/config.gd/).
## Step 5: Write your init script
Create a new GDScript file and write this into it:
``` gdscript
extends Node
@onready
var core = get_node("/root/core") #(1)!
func _ready() -> void:
core.welcome() #(2)!
Logger.enable_diag = true #(3)!
Logger.diag("<your_script_name>","This is a diagnostic message. I can only be seen with Logger.enable_diag being true.")
Logger.info("<your_script_name>","This is a informational message.")
Logger.warn("<your_script_name>","This is a warning message.")
Logger.error("<your_script_name>","This is a error message.")
await get_tree().create_timer(0.1).timeout #(4)!
get_tree().quit(0)
```
1. Imports the CORE Holder aka. /root/core
2. Makes CORE say hello :)
3. Enables diagnostic log output
4. Waits 100 milliseconds for the log messages to be printed before exiting
Now replace `<your_script_name>` with the filename of your script (without `.gd`) and save it under the path you specified in the `core_startscript` variable.
## Step 6: Start your project
Start your project and wait until CORE initialized itself. You should see this output in your Godot console (replace `<your_script_name>` in your head with the filename of the init script without `.gd`):
``` text
logger -> Initializing Logger
preprocessor -> Initializing Preprocessor
preprocessor -> Delaying initialization by 0.75s
coreinit -> Checking CORE requirements
coreinit -> Constructing coreloader
coreinit -> Injecting coreloader
coreinit -> Switching to COREBackground
(core) [INFO] CORE git-develop welcomes you!
It seems like everything is working :)
(<your_script_name>) [DIAG] This is a diagnostic message. I can only be seen with Logger.enable_diag being true.
(<your_script_name>) [INFO] This is a informational message.
(<your_script_name>) [WARN] This is a warning message.
(<your_script_name>) [ERROR] This is a error message.
(coreloader) [DIAG] Removing coreloader
```
If your project returns about the same output (a few lines omitted) then CORE has been successfully installed. If not, look for your error [here](/troubleshooting/). If you need a example `init.gd` script, [look here](/references/init.gd/).