init

24 files changed, 1171 insertions, 0 deletions

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..b63da45
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,42 @@
+.gradle
+build/
+!gradle/wrapper/gradle-wrapper.jar
+!**/src/main/**/build/
+!**/src/test/**/build/
+
+### IntelliJ IDEA ###
+.idea/modules.xml
+.idea/jarRepositories.xml
+.idea/compiler.xml
+.idea/libraries/
+*.iws
+*.iml
+*.ipr
+out/
+!**/src/main/**/out/
+!**/src/test/**/out/
+
+### Eclipse ###
+.apt_generated
+.classpath
+.factorypath
+.project
+.settings
+.springBeans
+.sts4-cache
+bin/
+!**/src/main/**/bin/
+!**/src/test/**/bin/
+
+### NetBeans ###
+/nbproject/private/
+/nbbuild/
+/dist/
+/nbdist/
+/.nb-gradle/
+
+### VS Code ###
+.vscode/
+
+### Mac OS ###
+.DS_Store
\ No newline at end of file
diff --git a/build-logic/build.gradle.kts b/build-logic/build.gradle.kts
new file mode 100644
index 0000000..44083e8
--- /dev/null
+++ b/build-logic/build.gradle.kts
@@ -0,0 +1,13 @@
+plugins {
+    java
+    `kotlin-dsl`
+    kotlin("jvm") version "2.1.21"
+}
+repositories {
+    mavenCentral()
+}
+java.toolchain.languageVersion.set(JavaLanguageVersion.of(24))
+
+dependencies {
+    implementation("org.apache.commons:commons-compress:1.23.0")
+}
diff --git a/build-logic/src/main/kotlin/DownloadArchiveFile.kt b/build-logic/src/main/kotlin/DownloadArchiveFile.kt
new file mode 100644
index 0000000..c7f549c
--- /dev/null
+++ b/build-logic/src/main/kotlin/DownloadArchiveFile.kt
@@ -0,0 +1,71 @@
+import org.gradle.api.DefaultTask
+import org.gradle.api.file.DirectoryProperty
+import org.gradle.api.provider.Property
+import org.gradle.api.tasks.Input
+import org.gradle.api.tasks.OutputDirectory
+import org.gradle.api.tasks.TaskAction
+import java.io.InputStream
+import java.net.URI
+
+abstract class DownloadArchiveFile<T : InputStream> : DefaultTask() {
+    @get:Input
+    abstract val url: Property<URI>
+
+    @get:Input
+    abstract val stripRoot: Property<Boolean>
+
+    @get:Input
+    abstract val subDirectory: Property<String>
+
+    @get:OutputDirectory
+    abstract val outputDir: DirectoryProperty
+
+    init {
+        subDirectory.convention("")
+        stripRoot.convention(false)
+    }
+
+    fun url(string: String) {
+        url.set(URI.create(string))
+    }
+
+    abstract fun mapInputStream(inputStream: InputStream): T
+    abstract fun nextEntry(stream: T): String?
+
+    @TaskAction
+    fun execute() {
+        val baseFolder = outputDir.get().asFile
+        baseFolder.deleteRecursively()
+        baseFolder.mkdirs()
+        val pathFilter = this.subDirectory.get()
+        require(pathFilter.isEmpty() || pathFilter.endsWith("/")) {
+            "subdirectory '$pathFilter' does not end with a /"
+        }
+        url.get().toURL().openStream().buffered().use { input ->
+            val mappedStream = mapInputStream(input)
+            while (true) {
+                val entry = nextEntry(mappedStream) ?: break
+                var name = entry
+                if (name.endsWith("/")) continue
+                if (stripRoot.get()) {
+                    name = name.substringAfter("/")
+                }
+                if (pathFilter.isNotEmpty()) {
+                    if (!name.startsWith(pathFilter)) {
+                        continue
+                    } else {
+                        name = name.substring(pathFilter.length)
+                    }
+                }
+                val fileLocation = baseFolder.resolve(name).absoluteFile
+                if (baseFolder !in generateSequence(fileLocation) { it.parentFile }) {
+                    error("File escaping output jail: $name")
+                }
+                fileLocation.parentFile.mkdirs()
+                fileLocation.outputStream().use { output ->
+                    mappedStream.copyTo(output)
+                }
+            }
+        }
+    }
+}
diff --git a/build-logic/src/main/kotlin/DownloadExtension.kt b/build-logic/src/main/kotlin/DownloadExtension.kt
new file mode 100644
index 0000000..efd9cbf
--- /dev/null
+++ b/build-logic/src/main/kotlin/DownloadExtension.kt
@@ -0,0 +1,27 @@
+import org.gradle.api.Project
+import org.gradle.api.tasks.TaskProvider
+import java.util.*
+import javax.inject.Inject
+
+abstract class DownloadExtension {
+    @get:Inject
+    abstract val project: Project
+
+    fun downloadTaskName(name: String) =
+        "download" + name.capitalize(Locale.ROOT)
+
+    inline fun <reified T : DownloadArchiveFile<*>> archive(name: String, noinline configure: T.() -> Unit)
+            : TaskProvider<T> =
+        project.tasks.register(downloadTaskName(name), T::class.java) {
+            outputDir.convention(project.layout.buildDirectory.dir("downloadedSources/$name"))
+            configure(this)
+        }
+
+    fun zip(name: String, configure: DownloadZipFile.() -> Unit): TaskProvider<DownloadZipFile> {
+        return archive(name, configure)
+    }
+
+    fun tar(name: String, configure: DownloadTarFile.() -> Unit): TaskProvider<DownloadTarFile> {
+        return archive(name, configure)
+    }
+}
diff --git a/build-logic/src/main/kotlin/DownloadTarFile.kt b/build-logic/src/main/kotlin/DownloadTarFile.kt
new file mode 100644
index 0000000..a23a336
--- /dev/null
+++ b/build-logic/src/main/kotlin/DownloadTarFile.kt
@@ -0,0 +1,49 @@
+import org.apache.commons.compress.archivers.tar.TarArchiveInputStream
+import org.gradle.api.provider.Property
+import org.gradle.api.tasks.Input
+import java.io.InputStream
+import java.net.URI
+import java.util.zip.GZIPInputStream
+
+abstract class DownloadTarFile : DownloadArchiveFile<TarArchiveInputStream>() {
+    @get:Input
+    abstract val gunzip: Property<Boolean>
+
+    init {
+        gunzip.convention(url.map { it.path.endsWith(".tar.gz") })
+    }
+
+    abstract class CGitSource {
+        abstract val domain: Property<String>
+        abstract val projectPath: Property<String>
+        abstract val hash: Property<String>
+
+        fun toUrl(): URI {
+            return URI.create("https://${domain.get()}/${projectPath.get()}/snapshot/${hash.get()}.tar.gz")
+        }
+    }
+
+    fun cGit(configure: CGitSource.() -> Unit) {
+        stripRoot.convention(true)
+        url.set(
+            project.provider(
+                project.objects.newInstance(CGitSource::class.java).also(configure)::toUrl
+            )
+        )
+    }
+
+
+    override fun mapInputStream(inputStream: InputStream): TarArchiveInputStream {
+        return TarArchiveInputStream(
+            if (gunzip.get()) {
+                GZIPInputStream(inputStream, 8192)
+            } else {
+                inputStream
+            }
+        )
+    }
+
+    override fun nextEntry(stream: TarArchiveInputStream): String? {
+        return stream.nextTarEntry?.name
+    }
+}
\ No newline at end of file
diff --git a/build-logic/src/main/kotlin/DownloadZipFile.kt b/build-logic/src/main/kotlin/DownloadZipFile.kt
new file mode 100644
index 0000000..475f195
--- /dev/null
+++ b/build-logic/src/main/kotlin/DownloadZipFile.kt
@@ -0,0 +1,35 @@
+import org.gradle.api.provider.Property
+import java.io.InputStream
+import java.net.URI
+import java.util.zip.ZipInputStream
+
+abstract class DownloadZipFile : DownloadArchiveFile<ZipInputStream>() {
+    abstract class GitLabSource {
+        abstract val domain: Property<String>
+        abstract val owner: Property<String>
+        abstract val project: Property<String>
+        abstract val hash: Property<String>
+
+        fun toUrl(): URI {
+            return URI.create("https://${domain.get()}/${owner.get()}/${project.get()}/-/archive/${hash.get()}/${project.get()}-${hash.get()}.zip")
+        }
+
+    }
+
+    fun gitlab(configure: GitLabSource.() -> Unit) {
+        stripRoot.convention(true)
+        url.set(
+            project.provider(
+                project.objects.newInstance(GitLabSource::class.java).also(configure)::toUrl
+            )
+        )
+    }
+
+    override fun mapInputStream(inputStream: InputStream): ZipInputStream {
+        return ZipInputStream(inputStream)
+    }
+
+    override fun nextEntry(stream: ZipInputStream): String? {
+        return stream.nextEntry?.name
+    }
+}
\ No newline at end of file
diff --git a/build-logic/src/main/kotlin/mossbar.downloads.gradle.kts b/build-logic/src/main/kotlin/mossbar.downloads.gradle.kts
new file mode 100644
index 0000000..63b6369
--- /dev/null
+++ b/build-logic/src/main/kotlin/mossbar.downloads.gradle.kts
@@ -0,0 +1,2 @@
+
+extensions.create("downloads", DownloadExtension::class)
diff --git a/build.gradle.kts b/build.gradle.kts
new file mode 100644
index 0000000..02c865a
--- /dev/null
+++ b/build.gradle.kts
@@ -0,0 +1,58 @@
+plugins {
+    id("java")
+    id("systems.manifold.manifold-gradle-plugin") version "0.0.2-alpha"
+    application
+}
+
+allprojects {
+    group = "moe.nea"
+    version = "1.0-SNAPSHOT"
+
+    repositories {
+        mavenCentral()
+        mavenLocal()
+        maven("https://repo.nea.moe/mirror")
+        maven("https://repo.nea.moe/release")
+    }
+}
+
+manifold {
+    manifoldVersion.set("2025.1.24")
+}
+
+application {
+    mainClass.set("moe.nea.mossbar.Launch")
+    // We LOVE deprecating methods without an upgrade path!! shoutout to varhandle for being useless
+    applicationDefaultJvmArgs += listOf("--add-opens=java.base/java.lang=ALL-UNNAMED", "--enable-native-access=ALL-UNNAMED")
+
+    // on nix: set LD_LIBRARY_PATH=$(nix-build '<nixpkgs>' -A wayland)
+}
+
+java.toolchain.languageVersion.set(JavaLanguageVersion.of(24))
+
+dependencies {
+    val manifoldSubSystems = listOf(
+        "json" to true,
+        "params" to true,
+        "strings" to false,
+        "props" to true,
+    )
+    manifoldSubSystems.forEach { (name, rt) ->
+        if (rt)
+            implementation("systems.manifold:manifold-$name-rt:${manifold.manifoldVersion.get()}")
+        annotationProcessor("systems.manifold:manifold-$name:${manifold.manifoldVersion.get()}")
+    }
+
+
+    implementation(project(":protocols"))
+    implementation("org.jspecify:jspecify:1.0.0")
+
+    runtimeOnly("org.slf4j:slf4j-simple:2.0.17")
+
+    testImplementation(platform("org.junit:junit-bom:5.10.0"))
+    testImplementation("org.junit.jupiter:junit-jupiter")
+}
+
+tasks.test {
+    useJUnitPlatform()
+}
\ No newline at end of file
diff --git a/gradle/wrapper/gradle-wrapper.jar b/gradle/wrapper/gradle-wrapper.jar
new file mode 100644
index 0000000..249e583
--- /dev/null
+++ b/gradle/wrapper/gradle-wrapper.jar
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
new file mode 100644
index 0000000..2313ec2
--- /dev/null
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -0,0 +1,6 @@
+#Sun Jun 01 21:22:39 CEST 2025
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.14.1-bin.zip
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists
diff --git a/gradlew b/gradlew
new file mode 100755
index 0000000..1b6c787
--- /dev/null
+++ b/gradlew
@@ -0,0 +1,234 @@
+#!/bin/sh
+
+#
+# Copyright © 2015-2021 the original authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+##############################################################################
+#
+#   Gradle start up script for POSIX generated by Gradle.
+#
+#   Important for running:
+#
+#   (1) You need a POSIX-compliant shell to run this script. If your /bin/sh is
+#       noncompliant, but you have some other compliant shell such as ksh or
+#       bash, then to run this script, type that shell name before the whole
+#       command line, like:
+#
+#           ksh Gradle
+#
+#       Busybox and similar reduced shells will NOT work, because this script
+#       requires all of these POSIX shell features:
+#         * functions;
+#         * expansions «$var», «${var}», «${var:-default}», «${var+SET}»,
+#           «${var#prefix}», «${var%suffix}», and «$( cmd )»;
+#         * compound commands having a testable exit status, especially «case»;
+#         * various built-in commands including «command», «set», and «ulimit».
+#
+#   Important for patching:
+#
+#   (2) This script targets any POSIX shell, so it avoids extensions provided
+#       by Bash, Ksh, etc; in particular arrays are avoided.
+#
+#       The "traditional" practice of packing multiple parameters into a
+#       space-separated string is a well documented source of bugs and security
+#       problems, so this is (mostly) avoided, by progressively accumulating
+#       options in "$@", and eventually passing that to Java.
+#
+#       Where the inherited environment variables (DEFAULT_JVM_OPTS, JAVA_OPTS,
+#       and GRADLE_OPTS) rely on word-splitting, this is performed explicitly;
+#       see the in-line comments for details.
+#
+#       There are tweaks for specific operating systems such as AIX, CygWin,
+#       Darwin, MinGW, and NonStop.
+#
+#   (3) This script is generated from the Groovy template
+#       https://github.com/gradle/gradle/blob/master/subprojects/plugins/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
+#       within the Gradle project.
+#
+#       You can find Gradle at https://github.com/gradle/gradle/.
+#
+##############################################################################
+
+# Attempt to set APP_HOME
+
+# Resolve links: $0 may be a link
+app_path=$0
+
+# Need this for daisy-chained symlinks.
+while
+    APP_HOME=${app_path%"${app_path##*/}"}  # leaves a trailing /; empty if no leading path
+    [ -h "$app_path" ]
+do
+    ls=$( ls -ld "$app_path" )
+    link=${ls#*' -> '}
+    case $link in             #(
+      /*)   app_path=$link ;; #(
+      *)    app_path=$APP_HOME$link ;;
+    esac
+done
+
+APP_HOME=$( cd "${APP_HOME:-./}" && pwd -P ) || exit
+
+APP_NAME="Gradle"
+APP_BASE_NAME=${0##*/}
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD=maximum
+
+warn () {
+    echo "$*"
+} >&2
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+} >&2
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "$( uname )" in                #(
+  CYGWIN* )         cygwin=true  ;; #(
+  Darwin* )         darwin=true  ;; #(
+  MSYS* | MINGW* )  msys=true    ;; #(
+  NONSTOP* )        nonstop=true ;;
+esac
+
+CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
+
+
+# Determine the Java command to use to start the JVM.
+if [ -n "$JAVA_HOME" ] ; then
+    if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
+        # IBM's JDK on AIX uses strange locations for the executables
+        JAVACMD=$JAVA_HOME/jre/sh/java
+    else
+        JAVACMD=$JAVA_HOME/bin/java
+    fi
+    if [ ! -x "$JAVACMD" ] ; then
+        die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+    fi
+else
+    JAVACMD=java
+    which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+fi
+
+# Increase the maximum file descriptors if we can.
+if ! "$cygwin" && ! "$darwin" && ! "$nonstop" ; then
+    case $MAX_FD in #(
+      max*)
+        MAX_FD=$( ulimit -H -n ) ||
+            warn "Could not query maximum file descriptor limit"
+    esac
+    case $MAX_FD in  #(
+      '' | soft) :;; #(
+      *)
+        ulimit -n "$MAX_FD" ||
+            warn "Could not set maximum file descriptor limit to $MAX_FD"
+    esac
+fi
+
+# Collect all arguments for the java command, stacking in reverse order:
+#   * args from the command line
+#   * the main class name
+#   * -classpath
+#   * -D...appname settings
+#   * --module-path (only if needed)
+#   * DEFAULT_JVM_OPTS, JAVA_OPTS, and GRADLE_OPTS environment variables.
+
+# For Cygwin or MSYS, switch paths to Windows format before running java
+if "$cygwin" || "$msys" ; then
+    APP_HOME=$( cygpath --path --mixed "$APP_HOME" )
+    CLASSPATH=$( cygpath --path --mixed "$CLASSPATH" )
+
+    JAVACMD=$( cygpath --unix "$JAVACMD" )
+
+    # Now convert the arguments - kludge to limit ourselves to /bin/sh
+    for arg do
+        if
+            case $arg in                                #(
+              -*)   false ;;                            # don't mess with options #(
+              /?*)  t=${arg#/} t=/${t%%/*}              # looks like a POSIX filepath
+                    [ -e "$t" ] ;;                      #(
+              *)    false ;;
+            esac
+        then
+            arg=$( cygpath --path --ignore --mixed "$arg" )
+        fi
+        # Roll the args list around exactly as many times as the number of
+        # args, so each arg winds up back in the position where it started, but
+        # possibly modified.
+        #
+        # NB: a `for` loop captures its iteration list before it begins, so
+        # changing the positional parameters here affects neither the number of
+        # iterations, nor the values presented in `arg`.
+        shift                   # remove old arg
+        set -- "$@" "$arg"      # push replacement arg
+    done
+fi
+
+# Collect all arguments for the java command;
+#   * $DEFAULT_JVM_OPTS, $JAVA_OPTS, and $GRADLE_OPTS can contain fragments of
+#     shell script including quotes and variable substitutions, so put them in
+#     double quotes to make sure that they get re-expanded; and
+#   * put everything else in single quotes, so that it's not re-expanded.
+
+set -- \
+        "-Dorg.gradle.appname=$APP_BASE_NAME" \
+        -classpath "$CLASSPATH" \
+        org.gradle.wrapper.GradleWrapperMain \
+        "$@"
+
+# Use "xargs" to parse quoted args.
+#
+# With -n1 it outputs one arg per line, with the quotes and backslashes removed.
+#
+# In Bash we could simply go:
+#
+#   readarray ARGS < <( xargs -n1 <<<"$var" ) &&
+#   set -- "${ARGS[@]}" "$@"
+#
+# but POSIX shell has neither arrays nor command substitution, so instead we
+# post-process each arg (as a line of input to sed) to backslash-escape any
+# character that might be a shell metacharacter, then use eval to reverse
+# that process (while maintaining the separation between arguments), and wrap
+# the whole thing up as a single "set" statement.
+#
+# This will of course break if any of these variables contains a newline or
+# an unmatched quote.
+#
+
+eval "set -- $(
+        printf '%s\n' "$DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS" |
+        xargs -n1 |
+        sed ' s~[^-[:alnum:]+,./:=@_]~\\&~g; ' |
+        tr '\n' ' '
+    )" '"$@"'
+
+exec "$JAVACMD" "$@"
diff --git a/gradlew.bat b/gradlew.bat
new file mode 100644
index 0000000..107acd3
--- /dev/null
+++ b/gradlew.bat
@@ -0,0 +1,89 @@
+@rem
+@rem Copyright 2015 the original author or authors.
+@rem
+@rem Licensed under the Apache License, Version 2.0 (the "License");
+@rem you may not use this file except in compliance with the License.
+@rem You may obtain a copy of the License at
+@rem
+@rem      https://www.apache.org/licenses/LICENSE-2.0
+@rem
+@rem Unless required by applicable law or agreed to in writing, software
+@rem distributed under the License is distributed on an "AS IS" BASIS,
+@rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+@rem See the License for the specific language governing permissions and
+@rem limitations under the License.
+@rem
+
+@if "%DEBUG%" == "" @echo off
+@rem ##########################################################################
+@rem
+@rem  Gradle startup script for Windows
+@rem
+@rem ##########################################################################
+
+@rem Set local scope for the variables with windows NT shell
+if "%OS%"=="Windows_NT" setlocal
+
+set DIRNAME=%~dp0
+if "%DIRNAME%" == "" set DIRNAME=.
+set APP_BASE_NAME=%~n0
+set APP_HOME=%DIRNAME%
+
+@rem Resolve any "." and ".." in APP_HOME to make it shorter.
+for %%i in ("%APP_HOME%") do set APP_HOME=%%~fi
+
+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+set DEFAULT_JVM_OPTS="-Xmx64m" "-Xms64m"
+
+@rem Find java.exe
+if defined JAVA_HOME goto findJavaFromJavaHome
+
+set JAVA_EXE=java.exe
+%JAVA_EXE% -version >NUL 2>&1
+if "%ERRORLEVEL%" == "0" goto execute
+
+echo.
+echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:findJavaFromJavaHome
+set JAVA_HOME=%JAVA_HOME:"=%
+set JAVA_EXE=%JAVA_HOME%/bin/java.exe
+
+if exist "%JAVA_EXE%" goto execute
+
+echo.
+echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:execute
+@rem Setup the command line
+
+set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
+
+
+@rem Execute Gradle
+"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %*
+
+:end
+@rem End local scope for the variables with windows NT shell
+if "%ERRORLEVEL%"=="0" goto mainEnd
+
+:fail
+rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
+rem the _cmd.exe /c_ return code!
+if  not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
+exit /b 1
+
+:mainEnd
+if "%OS%"=="Windows_NT" endlocal
+
+:omega
diff --git a/protocols/build.gradle.kts b/protocols/build.gradle.kts
new file mode 100644
index 0000000..37d3966
--- /dev/null
+++ b/protocols/build.gradle.kts
@@ -0,0 +1,64 @@
+plugins {
+    id("mossbar.downloads")
+    `java-library`
+}
+
+dependencies {
+    annotationProcessor("org.freedesktop.wayland:wayland-scanner:2.0.0-nea-SNAPSHOT")
+    api("org.freedesktop.wayland:stubs-client:2.0.0-nea-SNAPSHOT")
+    implementation("com.github.spotbugs:spotbugs-annotations:4.9.3")
+}
+
+fun DownloadZipFile.GitLabSource.freeDesktopOrg() {
+    domain.set("gitlab.freedesktop.org")
+}
+
+val waylandCoreProtocols = downloads.zip("waylandCore") {
+    gitlab {
+        freeDesktopOrg()
+        owner.set("wayland")
+        project.set("wayland")
+        hash.set("1.23.91")
+    }
+    subDirectory.set("protocol/")
+}
+
+val wlrootsProtocols = downloads.zip("wlroots") {
+    gitlab {
+        freeDesktopOrg()
+        owner.set("wlroots")
+        project.set("wlr-protocols")
+        hash.set("a5028afbe4a1cf0daf020c4104c1565a09d6e58a")
+    }
+}
+
+val waylandProtocols = downloads.zip("waylandExtra") {
+    gitlab {
+        freeDesktopOrg()
+        owner.set("wayland")
+        project.set("wayland-protocols")
+        hash.set("1.44")
+    }
+}
+
+val allProtocols = tasks.register("allProtocols", Copy::class) {
+    from(waylandProtocols) {
+        into("extra")
+    }
+    from(waylandCoreProtocols) {
+        into("core")
+    }
+    from(wlrootsProtocols) {
+        into("wlr")
+    }
+    into(layout.buildDirectory.dir("allProtocols"))
+}
+
+tasks.compileJava {
+    dependsOn(allProtocols)
+    options.compilerArgs.add(
+        "-Awayland.scanner.protocol.root=${
+            allProtocols.map { it.destinationDir.absolutePath }.get()
+        }"
+    )
+}
diff --git a/protocols/src/main/java/org/freedesktop/wayland/package-info.java b/protocols/src/main/java/org/freedesktop/wayland/package-info.java
new file mode 100644
index 0000000..5202cf6
--- /dev/null
+++ b/protocols/src/main/java/org/freedesktop/wayland/package-info.java
@@ -0,0 +1,22 @@
+
+@WaylandCustomProtocols({
+        @WaylandCustomProtocol(
+                path = "core/wayland.xml",
+                generateServer = false
+        ),
+        @WaylandCustomProtocol(
+                path = "wlr/unstable/wlr-layer-shell-unstable-v1.xml",
+                generateServer = false
+        )
+})
+@WaylandProtocols(
+        pkgConfig = "",
+        path = "extra",
+        generateServer = false,
+        withUnstable = false
+)
+package org.freedesktop.wayland;
+
+import org.freedesktop.wayland.generator.api.WaylandCustomProtocol;
+import org.freedesktop.wayland.generator.api.WaylandCustomProtocols;
+import org.freedesktop.wayland.generator.api.WaylandProtocols;
\ No newline at end of file
diff --git a/settings.gradle.kts b/settings.gradle.kts
new file mode 100644
index 0000000..ac27a7a
--- /dev/null
+++ b/settings.gradle.kts
@@ -0,0 +1,3 @@
+rootProject.name = "mossbar"
+includeBuild("build-logic")
+include("protocols")
\ No newline at end of file
diff --git a/src/main/java/moe/nea/mossbar/Launch.java b/src/main/java/moe/nea/mossbar/Launch.java
new file mode 100644
index 0000000..23d3868
--- /dev/null
+++ b/src/main/java/moe/nea/mossbar/Launch.java
@@ -0,0 +1,18 @@
+package moe.nea.mossbar;
+
+import moe.nea.mossbar.concepts.Bar;
+import moe.nea.mossbar.concepts.Display;
+import moe.nea.mossbar.concepts.Scope;
+
+public class Launch {
+    public static void main(String[] args) {
+        var rootScope = Scope.root();
+        var display = new Display().bindTo(rootScope);
+        var bar = new Bar(display, display.outputs.first).bindTo(rootScope);
+        bar.renderOnce();
+        while (display.proxy.dispatch() >= 0) {
+        }
+
+        rootScope.closeObject();
+    }
+}
diff --git a/src/main/java/moe/nea/mossbar/concepts/Bar.java b/src/main/java/moe/nea/mossbar/concepts/Bar.java
new file mode 100644
index 0000000..891b28a
--- /dev/null
+++ b/src/main/java/moe/nea/mossbar/concepts/Bar.java
@@ -0,0 +1,103 @@
+package moe.nea.mossbar.concepts;
+
+import org.freedesktop.wayland.client.*;
+import org.freedesktop.wayland.shared.WlOutputTransform;
+import org.freedesktop.wayland.shared.ZwlrLayerShellV1Layer;
+import org.freedesktop.wayland.shared.ZwlrLayerSurfaceV1Anchor;
+import org.freedesktop.wayland.util.EnumUtil;
+
+import java.io.IOException;
+import java.nio.IntBuffer;
+import java.util.EnumSet;
+
+public class Bar extends Scope {
+    private final Display display;
+    private final WlSurfaceProxy surface;
+    private final ZwlrLayerSurfaceV1Proxy layer;
+    private final ShmBufferPool bufferPool;
+    private WlCallbackProxy callbackProxy;
+
+
+    public Bar(Display display, WlOutputProxy output) {
+        this.display = display;
+        this.surface = display.compositorProxy.createSurface(new WlSurfaceEventsV6() {
+            @Override
+            public void enter(WlSurfaceProxy emitter, WlOutputProxy output) {
+                System.out.println("Surface entered");
+            }
+
+            @Override
+            public void leave(WlSurfaceProxy emitter, WlOutputProxy output) {
+                System.out.println("Left surface");
+            }
+
+            @Override
+            public void preferredBufferScale(WlSurfaceProxy emitter, int factor) {
+                System.out.println("Preferred buffer scale ${factor}");
+            }
+
+            @Override
+            public void preferredBufferTransform(WlSurfaceProxy emitter, int transform) {
+                var transforms = EnumUtil.decode(WlOutputTransform.class, transform);
+                System.out.println("Preferred buffer transform ${transforms}");
+            }
+        }).bindTo(this);
+        this.layer = display.layerShell.getLayerSurface(new ZwlrLayerSurfaceV1EventsV4() {
+                    @Override
+                    public void configure(ZwlrLayerSurfaceV1Proxy emitter, int serial, int width, int height) {
+                        System.out.println("Configure layer ${serial} ${width}x${height}");
+                        emitter.ackConfigure(serial);
+                    }
+
+                    @Override
+                    public void closed(ZwlrLayerSurfaceV1Proxy emitter) {
+                        System.out.println("layer closed");
+                    }
+                }, this.surface, output, Zw