NOISSUE Fail launch if minimum Java requirement is not met

This will fail launch in the following conditions:
  1. A version greater than or equal to Minecraft 17w13a, and less than
     21w19a - and the Java version is less than 8.
  2. A version greater than or equal to Minecraft 21w19a - and the Java
     version is less than 16.
This commit is contained in:
Jamie Mansfield 2021-06-23 21:24:25 +01:00
parent 7c0fdaa730
commit a20a7e987f
No known key found for this signature in database
GPG Key ID: 36F61598F39F67B0
6 changed files with 66 additions and 0 deletions

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@ -246,6 +246,8 @@ set(MINECRAFT_SOURCES
minecraft/launch/ReconstructAssets.h
minecraft/launch/ScanModFolders.cpp
minecraft/launch/ScanModFolders.h
minecraft/launch/VerifyJavaInstall.cpp
minecraft/launch/VerifyJavaInstall.h
minecraft/legacy/LegacyModList.h
minecraft/legacy/LegacyModList.cpp

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@ -23,6 +23,7 @@
#include "minecraft/launch/ClaimAccount.h"
#include "minecraft/launch/ReconstructAssets.h"
#include "minecraft/launch/ScanModFolders.h"
#include "minecraft/launch/VerifyJavaInstall.h"
#include "java/launch/CheckJava.h"
#include "java/JavaUtils.h"
#include "meta/Index.h"
@ -915,6 +916,11 @@ shared_qobject_ptr<LaunchTask> MinecraftInstance::createLaunchTask(AuthSessionPt
process->appendStep(new ReconstructAssets(pptr));
}
// verify that minimum Java requirements are met
{
process->appendStep(new VerifyJavaInstall(pptr));
}
{
// actually launch the game
auto method = launchMethod();

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@ -65,4 +65,7 @@ VersionFilterData::VersionFilterData()
QSet<QString>{"net.java.jinput:jinput", "net.java.jinput:jinput-platform",
"net.java.jutils:jutils", "org.lwjgl.lwjgl:lwjgl",
"org.lwjgl.lwjgl:lwjgl_util", "org.lwjgl.lwjgl:lwjgl-platform"};
java8BeginsDate = timeFromS3Time("2017-03-30T09:32:19+00:00");
java16BeginsDate = timeFromS3Time("2021-05-12T11:19:15+00:00");
}

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@ -23,5 +23,9 @@ struct VersionFilterData
QDateTime legacyCutoffDate;
// Libraries that belong to LWJGL
QSet<QString> lwjglWhitelist;
// release date of first version to require Java 8 (17w13a)
QDateTime java8BeginsDate;
// release data of first version to require Java 16 (21w19a)
QDateTime java16BeginsDate;
};
extern VersionFilterData MULTIMC_LOGIC_EXPORT g_VersionFilterData;

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@ -0,0 +1,34 @@
#include "VerifyJavaInstall.h"
#include <launch/LaunchTask.h>
#include <minecraft/MinecraftInstance.h>
#include <minecraft/PackProfile.h>
#include <minecraft/VersionFilterData.h>
void VerifyJavaInstall::executeTask() {
auto m_inst = std::dynamic_pointer_cast<MinecraftInstance>(m_parent->instance());
auto javaVersion = m_inst->getJavaVersion();
auto minecraftComponent = m_inst->getPackProfile()->getComponent("net.minecraft");
// Java 16 requirement
if (minecraftComponent->getReleaseDateTime() >= g_VersionFilterData.java16BeginsDate) {
if (javaVersion.major() < 16) {
emit logLine("Minecraft 21w19a and above require the use of Java 16",
MessageLevel::Fatal);
emitFailed(tr("Minecraft 21w19a and above require the use of Java 16"));
return;
}
}
// Java 8 requirement
else if (minecraftComponent->getReleaseDateTime() >= g_VersionFilterData.java8BeginsDate) {
if (javaVersion.major() < 8) {
emit logLine("Minecraft 17w13a and above require the use of Java 8",
MessageLevel::Fatal);
emitFailed(tr("Minecraft 17w13a and above require the use of Java 8"));
return;
}
}
emitSucceeded();
}

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@ -0,0 +1,17 @@
#pragma once
#include <launch/LaunchStep.h>
class VerifyJavaInstall : public LaunchStep {
Q_OBJECT
public:
explicit VerifyJavaInstall(LaunchTask *parent) : LaunchStep(parent) {
};
~VerifyJavaInstall() override = default;
void executeTask() override;
bool canAbort() const override {
return false;
}
};