--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/qmlfrontend/game_config.cpp	Wed Jul 31 23:14:27 2019 +0200
@@ -0,0 +1,75 @@
+#include "game_config.h"
+
+#include <QtEndian>
+
+GameConfig::GameConfig() {}
+
+const char** GameConfig::argv() const {
+  m_argv.resize(m_arguments.size());
+
+  for (int i = 0; i < m_arguments.size(); ++i)
+    m_argv[i] = m_arguments[i].data();
+
+  return m_argv.data();
+}
+
+int GameConfig::argc() const { return m_arguments.size(); }
+
+const QList<QByteArray> GameConfig::config() const {
+  QList<QByteArray> cfg = m_cfg;
+  cfg.append("\x01!");
+  return cfg;
+}
+
+void GameConfig::clear() {
+  m_arguments.clear();
+  m_cfg.clear();
+}
+
+void GameConfig::cmdSeed(const QByteArray& seed) { cfgAppend("eseed " + seed); }
+
+void GameConfig::cmdTheme(const QByteArray& theme) {
+  cfgAppend("e$theme " + theme);
+}
+
+void GameConfig::cmdMapgen(int mapgen) {
+  cfgAppend("e$mapgen " + QByteArray::number(mapgen));
+}
+
+void GameConfig::cmdTeam(const Team& team) {
+  cfgAppend("eaddteam <hash> " + team.color + " " + team.name);
+
+  for (const Hedgehog& h : team.hedgehogs()) {
+    cfgAppend("eaddhh " + QByteArray::number(h.level) + " " +
+              QByteArray::number(h.hp) + " " + h.name);
+    cfgAppend("ehat " + h.hat);
+  }
+  cfgAppend(
+      "eammloadt 9391929422199121032235111001200000000211100101011111000102");
+  cfgAppend(
+      "eammprob 0405040541600655546554464776576666666155510101115411111114");
+  cfgAppend(
+      "eammdelay 0000000000000205500000040007004000000000220000000600020000");
+  cfgAppend(
+      "eammreinf 1311110312111111123114111111111111111211111111111111111111");
+  cfgAppend("eammstore");
+}
+
+void GameConfig::cfgAppend(const QByteArray& cmd) {
+  Q_ASSERT(cmd.size() <= 49215);
+
+  QByteArray sizeBytes;
+  if (cmd.size() < 64) {
+    quint8 len = static_cast<quint8>(cmd.size());
+    sizeBytes = QByteArray::fromRawData(reinterpret_cast<const char*>(&len), 1);
+  } else {
+    quint16 size = static_cast<quint16>(cmd.size()) - 64;
+    size = (size / 256 + 64) * 256 + size & 0xff;
+    quint16 size_be = qToBigEndian(size);
+
+    sizeBytes =
+        QByteArray::fromRawData(reinterpret_cast<const char*>(&size_be), 2);
+  }
+
+  m_cfg.append(sizeBytes + cmd);
+}