Add 'meshmc/' from commit 'fad6a1066616b69d7f5fef01178efdf014c59537'

git-subtree-dir: meshmc
git-subtree-mainline: 934382c8a1ce738589dee9ee0f14e1cec812770e
git-subtree-split: fad6a1066616b69d7f5fef01178efdf014c59537

1 files changed, 166 insertions, 0 deletions

diff --git a/meshmc/launcher/minecraft/launch/PrintInstanceInfo.cpp b/meshmc/launcher/minecraft/launch/PrintInstanceInfo.cpp
new file mode 100644
index 0000000000..b7fabeb606
--- /dev/null
+++ b/meshmc/launcher/minecraft/launch/PrintInstanceInfo.cpp
@@ -0,0 +1,166 @@
+/* SPDX-FileCopyrightText: 2026 Project Tick
+ * SPDX-FileContributor: Project Tick
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ *
+ *   MeshMC - A Custom Launcher for Minecraft
+ *   Copyright (C) 2026 Project Tick
+ *
+ *   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, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   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 <fstream>
+#include <string>
+
+#include "PrintInstanceInfo.h"
+#include <launch/LaunchTask.h>
+
+#if defined(Q_OS_LINUX) || defined(Q_OS_FREEBSD)
+namespace
+{
+#if defined(Q_OS_LINUX)
+	void probeProcCpuinfo(QStringList& log)
+	{
+		std::ifstream cpuin("/proc/cpuinfo");
+		for (std::string line; std::getline(cpuin, line);) {
+			if (strncmp(line.c_str(), "model name", 10) == 0) {
+				log << QString::fromStdString(
+					line.substr(13, std::string::npos));
+				break;
+			}
+		}
+	}
+
+	void runLspci(QStringList& log)
+	{
+		// FIXME: fixed size buffers...
+		char buff[512];
+		int gpuline = -1;
+		int cline = 0;
+		FILE* lspci = popen("lspci -k", "r");
+
+		if (!lspci)
+			return;
+
+		while (fgets(buff, 512, lspci) != NULL) {
+			std::string str(buff);
+			if (str.length() < 9)
+				continue;
+			if (str.substr(8, 3) == "VGA") {
+				gpuline = cline;
+				log << QString::fromStdString(
+					str.substr(35, std::string::npos));
+			}
+			if (gpuline > -1 && gpuline != cline) {
+				if (cline - gpuline < 3) {
+					log << QString::fromStdString(
+						str.substr(1, std::string::npos));
+				}
+			}
+			cline++;
+		}
+		pclose(lspci);
+	}
+#elif defined(Q_OS_FREEBSD)
+	void runSysctlHwModel(QStringList& log)
+	{
+		char buff[512];
+		FILE* hwmodel = popen("sysctl hw.model", "r");
+		while (fgets(buff, 512, hwmodel) != NULL) {
+			log << QString::fromUtf8(buff);
+			break;
+		}
+		pclose(hwmodel);
+	}
+
+	void runPciconf(QStringList& log)
+	{
+		char buff[512];
+		std::string strcard;
+		FILE* pciconf = popen("pciconf -lv -a vgapci0", "r");
+		while (fgets(buff, 512, pciconf) != NULL) {
+			if (strncmp(buff, "    vendor", 10) == 0) {
+				std::string str(buff);
+				strcard.append(str.substr(str.find_first_of("'") + 1,
+										  str.find_last_not_of("'") -
+											  (str.find_first_of("'") + 2)));
+				strcard.append(" ");
+			} else if (strncmp(buff, "    device", 10) == 0) {
+				std::string str2(buff);
+				strcard.append(str2.substr(str2.find_first_of("'") + 1,
+										   str2.find_last_not_of("'") -
+											   (str2.find_first_of("'") + 2)));
+			}
+			log << QString::fromStdString(strcard);
+			break;
+		}
+		pclose(pciconf);
+	}
+#endif
+	void runGlxinfo(QStringList& log)
+	{
+		// FIXME: fixed size buffers...
+		char buff[512];
+		FILE* glxinfo = popen("glxinfo", "r");
+		if (!glxinfo)
+			return;
+
+		while (fgets(buff, 512, glxinfo) != NULL) {
+			if (strncmp(buff, "OpenGL version string:", 22) == 0) {
+				log << QString::fromUtf8(buff);
+				break;
+			}
+		}
+		pclose(glxinfo);
+	}
+
+} // namespace
+#endif
+
+void PrintInstanceInfo::executeTask()
+{
+	auto instance = m_parent->instance();
+	QStringList log;
+
+#if defined(Q_OS_LINUX)
+	::probeProcCpuinfo(log);
+	::runLspci(log);
+	::runGlxinfo(log);
+#elif defined(Q_OS_FREEBSD)
+	::runSysctlHwModel(log);
+	::runPciconf(log);
+	::runGlxinfo(log);
+#endif
+
+	logLines(log, MessageLevel::MeshMC);
+	logLines(instance->verboseDescription(m_session, m_serverToJoin),
+			 MessageLevel::MeshMC);
+	emitSucceeded();
+}