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hiddenswitch / Spellsource

A multiplayer card battle engine
http://hiddenswitch.com
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Spellsource

Screenshot 2023-01-10 at 9 49 52 PM

Discord

This is a simulator and game server for Spellsource, a community-authored card game.

Please see the Issues tab to report bugs or request functionality.

Description

The Spellsource-Server project is a 2-player card battler that supports hosted, networked gameplay. It features matchmaking, collection management and support for game mechanics that persist between matches.

Getting Around

Cards are located at spellsource-cards-git/src/main/resources/cards/custom.

To implement new effects (called Spells inside Spellsource) add a new Spell subclass to spellsource-game/src/main/java/net/demilich/metastone/game/spells.

You can learn more about the Spellsource AI as implemented in the GameStateValueBehaviour class.

The server application starts in EntryPoint. ./gradlew spellsource:run uses the test EntryPoint.

The client is private, please contact for access on the Discord.

Getting started on Windows

Enable Developer Mode in Windows 10 and greater. Or, follow the instructions here to enable symlinking on Windows headlessly.

Hit Win + X and click Windows PowerShell (Admin). Then run the following:

# installs chocolatey
Set-ExecutionPolicy Bypass -Scope Process -Force; [System.Net.ServicePointManager]::SecurityProtocol = [System.Net.ServicePointManager]::SecurityProtocol -bor 3072; iex ((New-Object System.Net.WebClient).DownloadString('https://community.chocolatey.org/install.ps1'))
# install dependencies
wsl --install
choco install -y gsudo git.portable 7zip openjdk vcredist140 docker-desktop dotnet-sdk nvm python gradle
# separately add vs2022 compilation tools with clang
choco install -y visualstudio2022-workload-nativedesktop --package-parameters "--add Microsoft.VisualStudio.Component.VC.Llvm.Clang --add Microsoft.VisualStudio.Component.VC.Llvm.ClangToolset"
# disable realtime monitoring from windows defender, since it interferes with developer workloads
Set-MpPreference -DisableRealtimeMonitoring $true

Then, close the window and restart Windows for Docker Desktop to be enabled.

Once you've rebooted, start Docker Desktop at least once. Observe you may be prompted by "Ubuntu" to set a username and password. This is for your Linux-on-Windows install. There is no right answer, but it is safe to use the username and password of your Windows account.

Hit Win + X and click Windows Powershell. Do not start a prompt as an admin. Then run the following:

# install node 18
nvm install 18
nvm use 18

# enable git symlinks in git
git config --global core.symlinks=true
git lfs install

# now clone the repository
cd ~/Documents/
git clone https://github.com/hiddenswitch/Spellsource.git
cd Spellsource
# you are now in the spellsource directory, get the submodules
git submodule update --init --recursive

You should now be able to run the tests.

gradle test

Symlinks

To enable symlink creation without enabling developer mode, you can use the following script. This requires administrative privileges:

$exportPath = "$env:TEMP\secpol.cfg"
$importPath = "$env:TEMP\secpol_modified.cfg"
$dbPath = "$env:TEMP\secpol.sdb"
secedit /export /cfg "$exportPath"
(Get-Content $exportPath) -replace '^SeCreateSymbolicLinkPrivilege.*$', ("SeCreateSymbolicLinkPrivilege = *S-1-5-32-544,*" + [System.Security.Principal.WindowsIdentity]::GetCurrent().User.Value) | Set-Content $importPath
secedit /import /db "$dbPath" /cfg "$importPath" /overwrite
Remove-Item $exportPath
Remove-Item $importPath
Remove-Item $dbPath

Getting started with Development on macOS

Requirements: Java 20 or later and Docker. Check your current version of Java using java --version.

  1. Install dependencies: 
    # XCode binaries
xcode-select --install
# Brew
/bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install.sh)"
# Docker. Look carefully at any messages brew tells you and do them
brew cask install docker
# Java (if required)
# Install openjdk 21, dotnet 6.0 & gradle 8.3 or higher
brew install openjdk dotnet-sdk gradle
sudo ln -sfn /usr/local/opt/openjdk/libexec/openjdk.jdk /Library/Java/JavaVirtualMachines/openjdk.jdk
brew link --force openjdk
  2. Clone the repository: 
    git clone https://github.com/hiddenswitch/Spellsource.git
cd Spellsource
  3. See Spellsource-specific tasks using ./gradlew tasks --group spellsource.
  4. Run tests using ./gradlew test
  5. Start a local server using ./gradlew run. This will download about 9GB of content.

Contributing Cards

Visit the Contribution Guide for more about contributions, including guidelines.

Deployment

Use ./gradlew tasks --group spellsource to see all deployment related tasks. You will need to be an Administrative user for these.

Troubleshooting

I cannot clone the repository.

The GitHub Desktop app is not supported. Please use the git command line commands to clone the repository:

git clone https://github.com/hiddenswitch/Spellsource.git

I am having issues with Git Submodules, like failures to download

Public users do not have access to the private repositories that fail to download. You can safely ignore those errors. If you'd like to contribute to the private repositories, like the game client, please use the Discord invite link above and discuss with the team there.

I am seeing issues with too many files open.

On macOS, issue the following commands to increase your per-process limits:

sudo sysctl -w kern.maxfiles=5242880
sudo sysctl -w kern.maxfilesperproc=524288
ulimit -n 200000
sudo launchctl limit maxfiles 524288 5242880

testTraces is failing.

You had failures in testRandomMassPlay, the fuzzer for Spellsource. These are real issues.

I uploaded to Steam, but I do not see the build.

Visit the Steam partner's page and promote the build.

I uploaded to TestFlight but the build isn't public yet.

Make sure the Public group is added here.

./gradlew spellsource-server:run hangs with error Caused by: org.testcontainers.containers.ContainerLaunchException: Timed out waiting for log output matching '.*waiting for connections on port.*'

Make sure to use your local docker context using docker context use default.

I receive an error starting the server with gradle spellsource-server:run of the form:

main ERROR o.t.d.DockerClientProviderStrategy Could not find a valid Docker environment. Please check configuration. Attempted configurations were:
Exception in thread "main" 20200811T112136 main ERROR o.t.d.DockerClientProviderStrategy     UnixSocketClientProviderStrategy: failed with exception InvalidConfigurationException (ping failed). Root cause NoSuchFileException (/var/run/docker.sock)
org.testcontainers.containers.ContainerLaunchException: Container startup failed
main ERROR o.t.d.DockerClientProviderStrategy As no valid configuration was found, execution cannot continue

Restart Docker. Make sure Docker is running.

I cannot connect to the Hidden Switch cluster to deploy the servers.

You need special authorization for this. It is accessed via an audited API key.

Autocomplete, code insight, intellisense or other code completion features are missing when I am trying to write code accessing the generating protobufs definitions, like Spellsource.java or Hiddenswitch.java

In IntelliJ, visit the Help > Edit Custom Properties... menu, then add the following lines:

# custom IntelliJ IDEA properties
idea.max.intellisense.filesize=99999

How do I add a new RPC to the Spellsource server?

Special Thanks

YourKit

YourKit supports open source projects with its full-featured Java Profiler.

YourKit, LLC is the creator of YourKit Java Profiler and YourKit .NET Profiler, innovative and intelligent tools for profiling Java and .NET applications.