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Merged
Avanatiker merged 11 commits into from
Mar 10, 2026
Merged

Feat: Add auto updater module #233

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6e28e1c
Auto Updater module pending modals for user confirmation and forced r…
THCFree Jan 28, 2026
029ab82
Added modal for user confirmation on loader install / uninstall
THCFree Jan 28, 2026
2ae82e3
Merge branch 'lambda-client:1.21.11' into 1.21.11
THCFree Jan 28, 2026
dc225dc
cleanup
beanbag44 Jan 28, 2026
3a8f7a7
override the lambda jar as the other wont exist yet
beanbag44 Jan 29, 2026
db1971f
fixes
beanbag44 Mar 2, 2026
8961f75
parity with module enable and disable
beanbag44 Mar 2, 2026
12252f4
Merge branch '1.21.11' into fork/THCFree/1.21.11
beanbag44 Mar 2, 2026
581cd67
Inform user about what the module actually does install
Avanatiker Mar 10, 2026
4a3bbd6
Merge remote-tracking branch 'origin/1.21.11' into 1.21.11
Avanatiker Mar 10, 2026
2a1206c
Use normal unequal
Avanatiker Mar 10, 2026
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Added modal for user confirmation on loader install / uninstall
  • Loading branch information
@THCFree
THCFree committed Jan 28, 2026
commit 029ab82316fea2b99c4333b088b1d1e09a376643
230 changes: 168 additions & 62 deletions src/main/kotlin/com/lambda/module/modules/client/AutoUpdater.kt
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Original file line number Diff line number Diff line change
Expand Up @@ -17,15 +17,28 @@

package com.lambda.module.modules.client

import com.lambda.Lambda.mc
import com.lambda.event.events.GuiEvent
import com.lambda.event.listener.SafeListener.Companion.listen
import com.lambda.gui.LambdaScreen
import com.lambda.gui.components.ClickGuiLayout
import com.lambda.gui.dsl.ImGuiBuilder.buildLayout
import com.lambda.gui.dsl.ImGuiBuilder.button
import com.lambda.gui.dsl.ImGuiBuilder.openPopup
import com.lambda.gui.dsl.ImGuiBuilder.popupModal
import com.lambda.gui.dsl.ImGuiBuilder.sameLine
import com.lambda.gui.dsl.ImGuiBuilder.text
import com.lambda.module.Module
import com.lambda.module.tag.ModuleTag
import imgui.flag.ImGuiWindowFlags
import net.fabricmc.loader.api.FabricLoader
import net.minecraft.SharedConstants
import org.slf4j.LoggerFactory
import java.net.URI
import java.nio.file.Path
import javax.xml.parsers.DocumentBuilderFactory
import kotlin.concurrent.thread
import kotlin.system.exitProcess

object AutoUpdater : Module(
name = "AutoUpdater",
Expand All @@ -38,90 +51,101 @@ object AutoUpdater : Module(
private val loaderBranch by setting("Loader Branch", Branch.STABLE, "Select loader update branch")
private val clientBranch by setting("Client Branch", Branch.STABLE, "Select client update branch")

var showInstallModal = false
private set
var showUninstallModal = false
private set

private enum class Branch {
STABLE,
SNAPSHOT
}

init {
onEnable {
//TODO: Add modal to prompt user for confirmation before updating and restart after download and confirmation
thread(name = "Lambda-Client-Updater") {
try {
// Check if Lambda client mod is present
if (!isModContainerPresent("lambda")) {
logger.error("Lambda client mod not found!")
return@thread
}

logger.info("Starting Lambda client update...")
// Check if ClickGuiLayout is currently open
if (mc.currentScreen is LambdaScreen && ClickGuiLayout.open) {
// Open modal in GUI
showInstallModal = true
} else {
// Run update directly if GUI is not open
return@onEnable
}
}

// Download the latest client JAR
val clientJar = downloadLatestClient()
if (clientJar == null) {
logger.error("Failed to download latest Lambda client")
return@thread
// Listen for GUI events to render the install modal
listen<GuiEvent.NewFrame> {
if (showInstallModal) {
buildLayout {
// Open the modal popup
openPopup("Install Lambda Loader")

// Render the modal
popupModal("Install Lambda Loader", ImGuiWindowFlags.AlwaysAutoResize) {
text("Do you want to install Lambda Client?")
text("")
text("This will close the client automatically once the install is finished.")
text("")

button("Install", 120f, 0f) {
showInstallModal = false
performLoaderInstall()
}

sameLine()

button("Cancel", 120f, 0f) {
showInstallModal = false
}
}
}
}

// Get the current Lambda mod JAR path
val lambdaJarPath = getModJarPath("lambda")
if (debug) {
logger.info("Lambda JAR path: $lambdaJarPath")
if (showUninstallModal) {
buildLayout {
// Open the modal popup
openPopup("Uninstall Lambda Loader")

// Render the modal
popupModal("Uninstall Lambda Loader", ImGuiWindowFlags.AlwaysAutoResize) {
text("Do you want to uninstall Lambda Loader?")
text("")
text("This will close the client automatically once the uninstall is finished.")
text("")

button("Uninstall", 120f, 0f) {
showUninstallModal = false
disable()
performLoaderUninstall()
}

sameLine()

button("Cancel", 120f, 0f) {
showUninstallModal = false
}
}

// Write the new JAR to replace the old one
val jarFile = lambdaJarPath.toFile()
jarFile.writeBytes(clientJar)

logger.info("Successfully updated Lambda client! Restart required.")
} catch (e: Exception) {
logger.error("Error updating Lambda client", e)
}
}
}

onDisable {
//TODO: Add modal to prompt user for confirmation before updating and restart after download and confirmation
thread(name = "Lambda-Loader-Updater") {
try {
// Check if Lambda loader mod is present
if (!isModContainerPresent("lambda-loader")) {
logger.error("Lambda loader mod not found!")
return@thread
}

logger.info("Starting Lambda loader update...")

// Download the latest loader JAR
val loaderJar = downloadLatestLoader()
if (loaderJar == null) {
logger.error("Failed to download latest Lambda loader")
return@thread
}

// Get the current Lambda loader mod JAR path
val loaderJarPath = getModJarPath("lambda-loader")
if (debug) {
logger.info("Lambda loader JAR path: $loaderJarPath")
}

// Write the new JAR to replace the old one
val jarFile = loaderJarPath.toFile()
jarFile.writeBytes(loaderJar)

logger.info("Successfully updated Lambda loader! Restart required.")
} catch (e: Exception) {
logger.error("Error updating Lambda loader", e)
}
// Check if ClickGuiLayout is currently open
if (mc.currentScreen is LambdaScreen && ClickGuiLayout.open) {
// Open modal in GUI - keep module enabled until user confirms
showUninstallModal = true
enable()
} else {
// Run uninstall directly if GUI is not open
performLoaderUninstall()
}
}
}

// Maven URLs
private const val MAVEN_URL = "https://maven.lambda-client.org"
private const val MAVEN_THC_URL = "https://maven.lambda-client.org"
private const val LOADER_RELEASES_META = "$MAVEN_THC_URL/releases/com/lambda/loader/maven-metadata.xml"
private const val LOADER_SNAPSHOTS_META = "$MAVEN_THC_URL/snapshots/com/lambda/loader/maven-metadata.xml"
private const val LOADER_RELEASES_META = "$MAVEN_URL/releases/com/lambda/loader/maven-metadata.xml"
private const val LOADER_SNAPSHOTS_META = "$MAVEN_URL/snapshots/com/lambda/loader/maven-metadata.xml"
private const val CLIENT_RELEASES_META = "$MAVEN_URL/releases/com/lambda/lambda/maven-metadata.xml"
private const val CLIENT_SNAPSHOTS_META = "$MAVEN_URL/snapshots/com/lambda/lambda/maven-metadata.xml"

Expand Down Expand Up @@ -282,6 +306,88 @@ object AutoUpdater : Module(
}
}

/**
* Performs the client install in a background thread
*/
private fun performLoaderInstall() {
thread(name = "Lambda-Client-Installer") {
try {
// Check if Lambda client mod is present
if (!isModContainerPresent("lambda")) {
logger.error("Lambda client mod not found!")
return@thread
}

logger.info("Starting Lambda client install...")

// Download the latest client JAR
val clientJar = downloadLatestClient()
if (clientJar == null) {
logger.error("Failed to download latest Lambda client")
return@thread
}

// Get the current Lambda client mod JAR path
val clientJarPath = getModJarPath("lambda")
if (debug) {
logger.info("Lambda client JAR path: $clientJarPath")
}

// Write the new JAR to replace the old one
val jarFile = clientJarPath.toFile()
jarFile.writeBytes(clientJar)

logger.info("Successfully installed Lambda client! Restarting...")

// Automatically restart the game
exitProcess(0)
} catch (e: Exception) {
logger.error("Error installing Lambda client", e)
}
}
}

/**
* Performs the loader uninstall in a background thread
*/
private fun performLoaderUninstall() {
thread(name = "Lambda-Loader-Uninstaller") {
try {
// Check if Lambda loader mod is present
if (!isModContainerPresent("lambda-loader")) {
logger.error("Lambda loader mod not found!")
return@thread
}

logger.info("Starting Lambda loader uninstall...")

// Download the latest loader JAR
val loaderJar = downloadLatestLoader()
if (loaderJar == null) {
logger.error("Failed to download latest Lambda loader")
return@thread
}

// Get the current Lambda loader mod JAR path
val loaderJarPath = getModJarPath("lambda-loader")
if (debug) {
logger.info("Lambda loader JAR path: $loaderJarPath")
}

// Write the new JAR to replace the old one
val jarFile = loaderJarPath.toFile()
jarFile.writeBytes(loaderJar)

logger.info("Successfully uninstalled Lambda loader! Restarting...")

// Automatically restart the game
exitProcess(0)
} catch (e: Exception) {
logger.error("Error uninstalling Lambda loader", e)
}
}
}

/**
* Download the latest client JAR for current MC version from selected branch or fallback to snapshot
*/
Expand Down