PrismLauncher/launcher/minecraft/launch/VerifyJavaInstall.cpp

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#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 17 requirement
if (minecraftComponent->getReleaseDateTime() >= g_VersionFilterData.java17BeginsDate) {
if (javaVersion.major() < 17) {
emit logLine("Minecraft 1.18 Pre Release 2 and above require the use of Java 17",
MessageLevel::Fatal);
emitFailed(tr("Minecraft 1.18 Pre Release 2 and above require the use of Java 17"));
return;
}
}
// Java 16 requirement
else 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();
}