Merge pull request #345 from Scrumplex/handle-incompatible-java

1 files changed, 67 insertions, 42 deletions

diff --git a/launcher/minecraft/launch/VerifyJavaInstall.cpp b/launcher/minecraft/launch/VerifyJavaInstall.cpp
index 15acf678..99809f82 100644
--- a/launcher/minecraft/launch/VerifyJavaInstall.cpp
+++ b/launcher/minecraft/launch/VerifyJavaInstall.cpp
@@ -1,50 +1,75 @@
-#include "VerifyJavaInstall.h"
+// SPDX-License-Identifier: GPL-3.0-only
+/*
+ *  PolyMC - Minecraft Launcher
+ *  Copyright (C) 2022 Sefa Eyeoglu <contact@scrumplex.net>
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, version 3.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ * This file incorporates work covered by the following copyright and
+ * permission notice:
+ *
+ *      Copyright 2013-2021 MultiMC Contributors
+ *
+ *      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
+ *
+ *          http://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.
+ */
 
-#include <launch/LaunchTask.h>
-#include <minecraft/MinecraftInstance.h>
-#include <minecraft/PackProfile.h>
-#include <minecraft/VersionFilterData.h>
+#include "VerifyJavaInstall.h"
 
-#ifdef major
-    #undef major
-#endif
-#ifdef minor
-    #undef minor
-#endif
+#include "java/JavaVersion.h"
+#include "minecraft/PackProfile.h"
+#include "minecraft/MinecraftInstance.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;
-        }
+    auto instance = std::dynamic_pointer_cast<MinecraftInstance>(m_parent->instance());
+    auto packProfile = instance->getPackProfile();
+    auto settings = instance->settings();
+    auto storedVersion = settings->get("JavaVersion").toString();
+    auto ignoreCompatibility = settings->get("IgnoreJavaCompatibility").toBool();
+
+    auto compatibleMajors = packProfile->getProfile()->getCompatibleJavaMajors();
+
+    JavaVersion javaVersion(storedVersion);
+
+    if (compatibleMajors.isEmpty() || compatibleMajors.contains(javaVersion.major()))
+    {
+        emitSucceeded();
+        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;
-        }
+
+
+    if (ignoreCompatibility)
+    {
+        emit logLine(tr("Java major version is incompatible. Things might break."), MessageLevel::Warning);
+        emitSucceeded();
+        return;
     }
 
-    emitSucceeded();
+    emit logLine(tr("This instance is not compatible with Java version %1.\n"
+                    "Please switch to one of the following Java versions for this instance:").arg(javaVersion.major()),
+                 MessageLevel::Error);
+    for (auto major : compatibleMajors)
+    {
+        emit logLine(tr("Java version %1").arg(major), MessageLevel::Error);
+    }
+    emitFailed(QString("Incompatible Java major version"));
 }