diff -r 11202097584f -r 745c73e0e644 qmlfrontend/gameconfig.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/qmlfrontend/gameconfig.cpp	Tue Nov 06 17:00:35 2018 +0100
@@ -0,0 +1,81 @@
+#include "gameconfig.h"
+
+GameConfig::GameConfig() : m_isPreview(true) { setPreview(m_isPreview); }
+
+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");
+}
+
+bool GameConfig::isPreview() const { return m_isPreview; }
+
+void GameConfig::setPreview(bool isPreview) {
+  m_isPreview = isPreview;
+
+  m_arguments.clear();
+
+  if (m_isPreview) {
+    m_arguments << ""
+                << "--internal"
+                << "--landpreview";
+
+  } else {
+    m_arguments << ""
+                << "--internal"
+                << "--nomusic";
+  }
+}
+
+void GameConfig::cfgAppend(const QByteArray& cmd) {
+  Q_ASSERT(cmd.size() < 256);
+
+  quint8 len = cmd.size();
+  m_cfg.append(QByteArray::fromRawData(reinterpret_cast<const char*>(&len), 1) +
+               cmd);
+}