+ }
+
+ template<typename T> static T string_to(std::string s) {
+ std::istringstream iss(s);
+ T i;
+ if ((iss >> i) && iss.eof()) {
+ return i;
+ } else {
+ return T();
+ }
+ }
+
+private:
+ std::list<std::string> history; /**< command history. New lines get added to back. */
+ std::list<std::string>::iterator history_position; /**< item of command history that is currently displayed */
+ std::list<std::string> lines; /**< backbuffer of lines sent to the console. New lines get added to front. */
+
+ std::auto_ptr<Surface> background; /**< console background image */
+ std::auto_ptr<Surface> background2; /**< second, moving console background image */
+
+ HSQUIRRELVM vm; /**< squirrel thread for the console (with custom roottable) */
+ HSQOBJECT vm_object;
+
+ int backgroundOffset; /**< current offset of scrolling background image */
+ float height; /**< height of the console in px */
+ float alpha;
+ int offset; /**< decrease to scroll text up */
+ bool focused; /**< true if console has input focus */
+ std::auto_ptr<Font> font;
+ float fontheight; /**< height of the font (this is a separate var, because the font could not be initialized yet but is needed in the addLine message */
+
+ float stayOpen;
+
+ static ConsoleStreamBuffer inputBuffer; /**< stream buffer used by input stream */
+ static ConsoleStreamBuffer outputBuffer; /**< stream buffer used by output stream */
+
+ void addLines(std::string s); /**< display a string of (potentially) multiple lines in the console */
+ void addLine(std::string s); /**< display a line in the console */
+ void parse(std::string s); /**< react to a given command */
+
+ /** ready a virtual machine instance, creating a new thread and loading default .nut files if needed */
+ void ready_vm();
+
+ /** execute squirrel script and output result */
+ void execute_script(const std::string& s);
+
+ bool consoleCommand(std::string command, std::vector<std::string> arguments); /**< process internal command; return false if command was unknown, true otherwise */
+
+ friend class ConsoleStreamBuffer;
+ void flush(ConsoleStreamBuffer* buffer); /**< act upon changes in a ConsoleStreamBuffer */