command buffer handling

engine function parsing
buffered client console 

27 files changed, 472 insertions, 124 deletions

diff --git a/src/client/application.cc b/src/client/application.cc
index 03dda2f..d3e7f4e 100644
--- a/src/client/application.cc
+++ b/src/client/application.cc
@@ -20,7 +20,7 @@ namespace client {
 void Application::quit(int status)
 {
 	SDL_Quit();
-	exit(status);
+	core::ApplicationInterface::quit(status);
 }
 
 void Application::init()
@@ -28,7 +28,7 @@ void Application::init()
 	// initialize core
 	core::ApplicationInterface::init();
 
-	con_debug << "Initializing client..." << std::endl;	
+	con_debug << "Initializing client..." << std::endl;
 
 	// Initialize the video subsystem
 	video.init();
@@ -56,7 +56,7 @@ void Application::run()
                 float elapsed = (float) ( current - chrono) / 1000.0f;
                 chrono = current;
 
-                frame(elapsed);
+                core::ApplicationInterface::frame(elapsed);
 
                 // update the video chronometers and draw
                 video.draw(elapsed);
@@ -70,15 +70,18 @@ void Application::run()
 void Application::shutdown() 
 {
 	con_debug << "Shutting down client..." << std::endl;
-	
-	input.shutdown();
+	console.flush();
 
+	input.shutdown();
+	console.flush();
+	
 	video.shutdown();
+	console.flush();
 
         core::ApplicationInterface::shutdown();
+	console.flush();
 
-        quit(0);
-	
+	quit(0);
 }
 
 }
diff --git a/src/client/application.h b/src/client/application.h
index 571e5af..40da1da 100644
--- a/src/client/application.h
+++ b/src/client/application.h
@@ -23,9 +23,8 @@ public:
 	/// shutdown the client Application
 	virtual void shutdown();
 
-protected:
 	/// quit the client Application
-	void quit(int result);
+	virtual void quit(int status);
 };
 
 }
diff --git a/src/client/camera.cc b/src/client/camera.cc
index 5355a26..a7c3349 100644
--- a/src/client/camera.cc
+++ b/src/client/camera.cc
@@ -4,8 +4,7 @@
    the terms and conditions of the GNU General Public License version 2 
 */
 
-#include "client/camera.h"
-#include "game/game.h"
+#include "client/client.h"
 #include "math/mathlib.h"
 
 using math::degrees360f;
@@ -40,7 +39,7 @@ Camera::~Camera()
 void Camera::draw(float elapsed) 
 {	
 	if (mode == Track) {
-		yaw_target = game::ship.yaw();
+		yaw_target = game.ship.yaw();
 	}
 
 	// adjust yaw
@@ -107,7 +106,7 @@ void Camera::nextmode() {
 	case Overview:
 		// switch camera to Track mode
 		mode = Track;
-		yaw_target = game::ship.yaw();
+		yaw_target = game.ship.yaw();
 		yaw_current = yaw_target;
 		pitch_target = pitch_track;
 		pitch_current = pitch_target;
@@ -116,7 +115,7 @@ void Camera::nextmode() {
 	case Track:
 		// switch camera to Free mode
 		mode = Free;
-		yaw_target = game::ship.yaw();
+		yaw_target = game.ship.yaw();
 		yaw_current = yaw_target;
 		pitch_target = pitch_track;
 		pitch_current = pitch_target;
diff --git a/src/client/console.cc b/src/client/console.cc
index 6a3dfaa..50093f9 100644
--- a/src/client/console.cc
+++ b/src/client/console.cc
@@ -4,24 +4,93 @@
    the terms and conditions of the GNU General Public License version 2 
 */
 
+#include "client/client.h"
 #include "client/console.h"
+#include "core/core.h"
+#include "render/render.h"
+
+#include <iostream>
 
 namespace client {
 
+Console::Console() {
+	visible = false;
+}
+
 std::ostream & Console::messagestream()
 {
-	return (std::cout << ". ");
+	return (buffer << ". ");
 }
 
 std::ostream & Console::warningstream()
 {
-	return (std::cout << "! ");
+	return (buffer << "* ");
+}
+
+std::ostream & Console::errorstream()
+{
+	return (buffer << "! ");
 }
 
 std::ostream & Console::debugstream()
 {
-	return (std::cout << "? ");
+	return (buffer << "? ");
 }
 
-} // namespace client
+void Console::draw()
+{
+	using namespace render;
+
+	flush();
+
+	float height;
 
+	if (core::game()) {
+		if (!core::game()->ready())
+			height = 0.6f;
+		else if (visible)
+			height = 0.6f;
+		else
+			return;
+	} else
+		height = 1.0f;
+	
+	// console background rectangle
+	gl::enable(GL_BLEND); 
+	gl::begin(gl::Quads);
+	gl::color(1, 1, 1, .1);
+	gl::vertex(-0.5f*video.ratio , 0.5, -1.0f);
+	gl::vertex(0.5f*video.ratio ,0.5, -1.0f);	
+	gl::vertex(0.5f*video.ratio , 0.5-height, -1.0f);
+	gl::vertex(-0.5f*video.ratio , 0.5-height, -1.0f);
+	gl::end();	
+	gl::disable(GL_BLEND); 
+}
+
+void Console::flush() 
+{
+	char line[MAXCMDSIZE];
+	while(this->buffer.getline(line, MAXCMDSIZE-1)) {
+		
+		while (text.size() >= 32765 - MAXCMDSIZE) {
+			size_t i = 0;
+			while (i+1 < text.size() && text[i] != '\n')
+				i++;
+			text.erase(0, i+1);
+		}
+		
+		text.append(line);
+		text.append("\n");
+
+		std::cout << line << std::endl;
+	}
+	
+	buffer.clear();
+}
+
+void Console::toggle()
+{
+	visible = !visible;
+}
+
+} // namespace client
diff --git a/src/client/console.h b/src/client/console.h
index 1a36d00..ee3b85e 100644
--- a/src/client/console.h
+++ b/src/client/console.h
@@ -8,21 +8,44 @@
 #define __INCLUDED_CLIENT_CONSOLE_H__
 
 #include "sys/consoleinterface.h"
+#include <sstream>
 
 namespace client {
 
 /// client console implementation
 class Console : public sys::ConsoleInterface {
 public:
+	Console();
+
 	/// stream to send normal messages too
 	virtual std::ostream & messagestream();
 
 	/// stream to send warning messages too
 	virtual std::ostream & warningstream();
 
+	/// stream to send error messages too
+	virtual std::ostream & errorstream();
+	
 	/// stream to send debug messages too
 	virtual std::ostream & debugstream();
+
+	/// flush buffer
+	void flush();
+	
+	/// draw the console
+	void draw();
+
+	/// toggle the console on or off
+	void toggle();
+	
+	bool visible;
+
+protected:
+	/// console text buffer
+	std::stringstream buffer;
 	
+	/// console text data
+	std::string text;	
 };
 
 }
diff --git a/src/client/input.cc b/src/client/input.cc
index 3e37a19..d30a97e 100644
--- a/src/client/input.cc
+++ b/src/client/input.cc
@@ -5,8 +5,7 @@
 */
 
 //project headers
-#include "client.h"
-#include "game/game.h"
+#include "client/client.h"
 
 namespace client {
 
@@ -33,6 +32,10 @@ http://docs.mandragor.org/files/Common_libs_documentation/SDL/SDL_Documentation_
 void Input::handle_keyreleased(SDL_keysym* keysym)
 {
 	switch( keysym->sym ) {
+	case '`':
+	case '~':
+		console.toggle();
+		break;
 	case SDLK_SPACE:
 		camera.nextmode();
 		break;
@@ -46,7 +49,7 @@ void Input::handle_keypressed(SDL_keysym* keysym)
 {
 	switch( keysym->sym ) {
 	case SDLK_ESCAPE:
-		application.shutdown();
+		client::application.shutdown();
 		break;
 	case SDLK_LEFT:
 		camera.rotate_left();
@@ -61,16 +64,16 @@ void Input::handle_keypressed(SDL_keysym* keysym)
 		camera.rotate_down();
 		break;
 	case SDLK_KP_PLUS:
-		game::ship.set_thrust(game::ship.thrust() + 0.08f);
+		game.ship.set_thrust(game.ship.thrust() + 0.08f);
 		break;
 	case SDLK_KP_MINUS:	
-		game::ship.set_thrust(game::ship.thrust() - 0.1f);
+		game.ship.set_thrust(game.ship.thrust() - 0.1f);
 		break;
 	case SDLK_KP4:
-		game::ship.set_yaw(game::ship.yaw() + 10);
+		game.ship.set_yaw(game.ship.yaw() + 10);
 		break;
 	case SDLK_KP6:
-		game::ship.set_yaw(game::ship.yaw() - 10);
+		game.ship.set_yaw(game.ship.yaw() - 10);
 		break;
 	default:
         	break;
@@ -91,7 +94,7 @@ void Input::process()
 		handle_keyreleased( &event.key.keysym );
 		break;
         case SDL_QUIT:
-            	application.shutdown();
+            	client::application.shutdown();
             	break;
         }
 
diff --git a/src/client/video.cc b/src/client/video.cc
index 5772961..4018834 100644
--- a/src/client/video.cc
+++ b/src/client/video.cc
@@ -30,20 +30,7 @@ void Video::reset()
 {
 	ratio = (float) width / (float) height;
 
-	// Our shading model--Gouraud (smooth). 
-	gl::shademodel(GL_SMOOTH);
 
-	// Culling
-	gl::cullface( GL_BACK );
-	gl::frontface(GL_CCW );
-	gl::enable( GL_CULL_FACE );
-
-	// Depth buffer writing
-	gl::depthmask(GL_TRUE);
-	gl::enable(GL_DEPTH_TEST);
-
-	// Alpha blending
-	gl::blendfunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);	
 
 	// Set the clear color
 	gl::clearcolor( 0, 0, 0, 0 );
@@ -64,18 +51,18 @@ void Video::init()
 	int flags = 0;
 
 	if( SDL_Init(SDL_INIT_VIDEO) < 0 ) {
-		con_warn << "SDL_Init() failed: " << SDL_GetError() << std::endl;
+		std::cerr << "SDL_Init() failed: " << SDL_GetError() << std::endl;
 		return;
 	}
 
 	const SDL_VideoInfo* sdl_videoinfo = SDL_GetVideoInfo();
 	if( !sdl_videoinfo) {
-		con_warn << "SDL_GetVideoInfo() failed: " << SDL_GetError() << std::endl;
+		std::cerr << "SDL_GetVideoInfo() failed: " << SDL_GetError() << std::endl;
 		return;
 	}
 
-	width = 800;
-	height = 600;
+	width = 1024;
+	height = 768;
 	bpp = sdl_videoinfo->vfmt->BitsPerPixel;
 
 	SDL_GL_SetAttribute( SDL_GL_RED_SIZE, 5 );
@@ -88,7 +75,7 @@ void Video::init()
 	flags = SDL_OPENGL | SDL_FULLSCREEN;
 
 	if(!SDL_SetVideoMode(width, height, bpp, flags )) {
-		con_warn << "SDL_SetVideoMode() failed: " << SDL_GetError() << std::endl;
+		std::cerr << "SDL_SetVideoMode() failed: " << SDL_GetError() << std::endl;
 		return;
 	}
 
@@ -103,7 +90,10 @@ void Video::init()
 
 void Video::draw(float elapsed)
 {
-	view.draw(elapsed);
+	if (core::game() && core::game()->ready())
+		view.draw(elapsed);
+	
+	SDL_GL_SwapBuffers();
 }
 
 void Video::shutdown()
diff --git a/src/client/view.cc b/src/client/view.cc
index 8754549..8881ac2 100644
--- a/src/client/view.cc
+++ b/src/client/view.cc
@@ -22,14 +22,14 @@ namespace client
 ShipDrawer *shipdrawer = 0;
 StarDrawer *stardrawer = 0;
 
-game::Ship *target =0; // the view's target
+game::Ship *target = 0; // the view's target
 
 void View::init() {
 	// draw scene
 	if (!shipdrawer) {
-		stardrawer = new StarDrawer(&game::star);
-		shipdrawer = new ShipDrawer(&game::ship);	
-		target = &game::ship;
+		stardrawer = new StarDrawer(&game.star);
+		shipdrawer = new ShipDrawer(&game.ship);	
+		target = &game.ship;
 	}
 	
 }
@@ -43,28 +43,47 @@ void View::shutdown()
 }
 
 void View::reset() {
-	// Change to the projection matrix and set our viewing volume.
-	gl::matrixmode( GL_PROJECTION );
-	gl::loadidentity();
+	// Our shading model--Gouraud (smooth). 
+	gl::shademodel(GL_SMOOTH);
+
+	// Culling
+	gl::cullface( GL_BACK );
+	gl::frontface(GL_CCW );
+}
+
+
+void View::draw_world(float elapsed)  
+{
+	
+	gl::enable( GL_CULL_FACE );
+
+	// Depth buffer writing
+	gl::depthmask(GL_TRUE);
+	gl::enable(GL_DEPTH_TEST);
+
+	// draw the world
+	gl::push();
+
+	gl::translate(game.ship.location - target->location);
+	gl::scale(0.2f,  0.2f,  0.2f);
+	shipdrawer->draw(elapsed);
+	gl::pop();
+
+	gl::push();
+	gl::translate(game.star.location - target->location);	
+	stardrawer->draw(elapsed);
+	gl::pop();
+
+	gl::disable( GL_CULL_FACE );
 
-	//glu::perspective( 64.0, video::ratio, 1.0, 1024.0 );
-	const float frustumsize=0.5f;
-	gl::frustum( -frustumsize * video.ratio, frustumsize * video.ratio, -frustumsize, frustumsize, 1.0f, 1024.0f);
-	/* 
-		map world coordinates to GL coordinates
-	 
-		The world coordinates are identical to GL coordinates, 
-		but the default viewing pitch (0 degrees)
-		is the positive X-axis
-	*/
-	gl::rotate(90.0f, 0, 1.0, 0);
 }
 
 void View::draw_background(float elapsed)
 {
 	using namespace gl;
 
-// // 	// enable Alpha blending
+ 	// enable Alpha blending
+	gl::blendfunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);	
 	gl::enable(GL_BLEND); 
 	
 	// galactic axis
@@ -109,23 +128,7 @@ void View::draw_background(float elapsed)
 	end();
 
 	gl::disable(GL_BLEND); 
-}
-
-void View::draw_world(float elapsed)  
-{
-	// draw the world
-	gl::push();
-
-	gl::translate(game::ship.location - target->location);
-	gl::scale(0.2f,  0.2f,  0.2f);
-	shipdrawer->draw(elapsed);
-	gl::pop();
-
-	gl::push();
-	gl::translate(game::star.location - target->location);	
-	stardrawer->draw(elapsed);
-	gl::pop();
-
+	gl::disable(GL_DEPTH_TEST);
 }
 
 void View::draw(float elapsed) 
@@ -133,10 +136,20 @@ void View::draw(float elapsed)
 	// Clear the color and depth buffers.
 	gl::clear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
 	
-	// We don't want to modify the projection matrix.
-	gl::matrixmode( GL_MODELVIEW );
+	// Change to the projection matrix and set our viewing volume.
+	gl::matrixmode( GL_PROJECTION );
 	gl::loadidentity();
 
+	//glu::perspective( 64.0, video::ratio, 1.0, 1024.0 );
+	const float frustumsize = 0.5f;
+	gl::frustum( -frustumsize * video.ratio, frustumsize * video.ratio, -frustumsize, frustumsize, 1.0f, 1024.0f);
+	
+
+	gl::matrixmode( GL_MODELVIEW );
+
+	gl::loadidentity();
+	gl::rotate(90.0f, 0, 1.0, 0);
+	
 	// Camera transformation
 	camera.draw(elapsed);
 
@@ -146,7 +159,14 @@ void View::draw(float elapsed)
 	// draw the semi-static background
 	draw_background(elapsed);
 
-	SDL_GL_SwapBuffers();
+	// draw the console
+	//gl::matrixmode( GL_PROJECTION );
+	//gl::loadidentity();
+	
+	gl::matrixmode( GL_MODELVIEW );
+	gl::loadidentity();
+	
+	console.draw();
 }
 
 } // namespace view
diff --git a/src/client/view.h b/src/client/view.h
index fa62d98..e0a613f 100644
--- a/src/client/view.h
+++ b/src/client/view.h
@@ -24,6 +24,9 @@ public:
 	/// reset the projection matrix
 	void reset();
 
+	float width;
+	float height;
+
 protected:
 	/// draw the world
 	void draw_world(float elapsed);
diff --git a/src/core/Makefile.am b/src/core/Makefile.am
index a70652e..27477dc 100644
--- a/src/core/Makefile.am
+++ b/src/core/Makefile.am
@@ -1,11 +1,13 @@
 METASOURCES = AUTO
 INCLUDES = -I$(top_srcdir)/src
 
-libcore_la_SOURCES = applicationinterface.cc gameinterface.cc
+libcore_la_SOURCES = applicationinterface.cc commandbuffer.cc func.cc \
+	gameinterface.cc
 libcore_la_LDFLAGS = -avoid-version -no-undefined
 libcore_la_LIBADD = $(top_builddir)/src/math/libmath.la \
 	$(top_builddir)/src/sys/libsys.la $(top_builddir)/src/filesystem/libfilesystem.la
 
 noinst_LTLIBRARIES = libcore.la
-noinst_HEADERS = applicationinterface.h core.h gameinterface.h
+noinst_HEADERS = applicationinterface.h commandbuffer.h core.h func.h \
+	gameinterface.h
 
diff --git a/src/core/applicationinterface.cc b/src/core/applicationinterface.cc
index 209a4f5..9a2cce2 100644
--- a/src/core/applicationinterface.cc
+++ b/src/core/applicationinterface.cc
@@ -14,6 +14,17 @@
 
 namespace core {
 
+// --------------- function repository ------------------------------
+extern "C" void func_print(std::stringstream &args) {
+	char text[MAXCMDSIZE];
+	if(args.getline(text, MAXCMDSIZE))
+		con_print << args << std::endl;
+}
+
+extern "C" void func_help(std::stringstream &args) {
+	con_print << "This is the help function" << std::endl;
+}
+
 // --------------- signal_handler -----------------------------------
 extern "C" void signal_handler(int signum)
 {
@@ -71,10 +82,14 @@ void ApplicationInterface::init()
 
 	con_debug << "Initializing core..." << std::endl;
 
+	// register our functions
+	func::add("print", func_print);
+	func::add("help", func_help);
+
         if (game())
                 game()->init();
         else
-                con_warn << "No game module found!" << std::endl;
+                con_warn << "No game module loaded!" << std::endl;
 
 }
 
@@ -85,7 +100,7 @@ void ApplicationInterface::shutdown()
 	if (game())
 		game()->shutdown();
 	else
-		con_warn << "No game module found!" << std::endl;
+		con_warn << "No game module loaded!" << std::endl;
 
 	filesystem::shutdown();
 }
@@ -97,8 +112,12 @@ void ApplicationInterface::quit(int status)
 
 void ApplicationInterface::frame(float seconds)
 {
-	if (game())
+	if (game()) {
 		game()->frame(seconds);
+	}
+
+	// execute commands in the buffer
+	commandbuffer::execute();
 }
 
 }
diff --git a/src/core/applicationinterface.h b/src/core/applicationinterface.h
index 6093427..ef02d8f 100644
--- a/src/core/applicationinterface.h
+++ b/src/core/applicationinterface.h
@@ -24,15 +24,15 @@ public:
 	/// shutdown the application
 	virtual void shutdown();
 
-	/// quit the application
-	virtual void quit(int status);
-
 	/// run a core frame
 	virtual void frame(float seconds);
 
 	/// a pointer to the current console instance
 	static ApplicationInterface *instance();
 
+	/// quit the application
+	virtual void quit(int status);
+
 private:
 	/// console singleton
 	static ApplicationInterface *applicationinterface_instance;
diff --git a/src/core/commandbuffer.cc b/src/core/commandbuffer.cc
new file mode 100644
index 0000000..23e8a8d
--- /dev/null
+++ b/src/core/commandbuffer.cc
@@ -0,0 +1,56 @@
+/*
+   core/commandbuffer.cc
+   This file is part of the Osirion project and is distributed under 
+   the terms of the GNU General Public License version 2 
+*/
+
+#include "core/commandbuffer.h"
+#include "sys/sys.h"
+
+// C++ headers
+#include <string>
+#include <sstream>
+
+namespace core {
+
+std::stringstream cmd(std::stringstream::in | std::stringstream::out);
+
+namespace commandbuffer {
+
+void exec(const char *text) {
+	std::stringstream cmdstream(text);
+	std::string cmdname;
+
+	cmdstream >> cmdname;
+	
+	func::Func f = func::find(cmdname);
+
+	if (f) {
+		f(cmdstream);
+		return;
+	}
+
+	con_print << "unknown command '" << cmdname << "'" << std::endl;
+}
+
+void execute() {
+	if (core::cmd.eof())
+		return;
+
+	char line[MAXCMDSIZE];
+	while(core::cmd.getline(line, MAXCMDSIZE-1)) {
+		exec(line);
+	}
+
+	cmd.clear();
+}
+
+void clear() {
+	char line[MAXCMDSIZE];
+	while(core::cmd.getline(line, MAXCMDSIZE-1));
+}
+
+}
+
+}
+
diff --git a/src/core/commandbuffer.h b/src/core/commandbuffer.h
new file mode 100644
index 0000000..c18acd0
--- /dev/null
+++ b/src/core/commandbuffer.h
@@ -0,0 +1,33 @@
+/*
+   core/commandbuffer.h
+   This file is part of the Osirion project and is distributed under 
+   the terms of the GNU General Public License version 2 
+*/
+
+#ifndef __INCLUDED_COMMANDBUFFER_H__
+#define __INCLUDED_COMMANDBUFFER_H__
+
+// project headers
+#include "core/core.h"
+
+// C++ headers
+#include <sstream>
+
+namespace core {
+
+/// global buffer to hold the command stream
+extern std::stringstream cmd;
+
+namespace commandbuffer {
+
+/// execute the commands in the buffer
+void execute();
+
+/// flush the command buffer
+void clear();
+
+}
+
+}
+
+#endif // COMMANDBUFFER
diff --git a/src/core/core.h b/src/core/core.h
index 745fd86..64eadb1 100644
--- a/src/core/core.h
+++ b/src/core/core.h
@@ -10,15 +10,20 @@
 #include "core/gameinterface.h"
 #include "core/applicationinterface.h"
 
+#define MAXCMDSIZE 1024
+
 /// core contains the basic functionality of the engine
 namespace core
 {
+	/// pointer to the current GameInterface
 	inline GameInterface *game() { return GameInterface::instance(); }
 
+	/// pointer to the current ApplicationInterface
 	inline ApplicationInterface *application() { return ApplicationInterface::instance(); }
-	
 };
 
+#include "core/commandbuffer.h"
+#include "core/func.h"
 
 #endif // __INCLUDED_CORE_H__
 
diff --git a/src/core/func.cc b/src/core/func.cc
new file mode 100644
index 0000000..6ffc20e
--- /dev/null
+++ b/src/core/func.cc
@@ -0,0 +1,32 @@
+/*
+   core/func.cc
+   This file is part of the Osirion project and is distributed under 
+   the terms of the GNU General Public License version 2 
+*/
+
+#include "core/func.h"
+#include <map>
+
+namespace core {
+
+namespace func {
+
+	std::map<std::string, Func> functionmap;
+
+	void add(const char * functionname, Func functionptr)
+	{
+		functionmap[std::string(functionname)] = functionptr;
+	}
+	
+	void remove(std:: string functionname)
+	{
+		functionmap.erase(std::string(functionname));
+	}
+
+	Func find(std::string functionname)
+	{
+		return functionmap[functionname];
+	}
+}
+
+}
diff --git a/src/core/func.h b/src/core/func.h
new file mode 100644
index 0000000..9d9f352
--- /dev/null
+++ b/src/core/func.h
@@ -0,0 +1,30 @@
+/*
+   core/core.h
+   This file is part of the Osirion project and is distributed under 
+   the terms of the GNU General Public License version 2 
+*/
+
+#ifndef __INCLUDED_CORE_FUNC_H__
+#define __INCLUDED_CORE_FUNC_H__
+
+#include <sstream>
+
+namespace core {
+
+/// engine functions registry
+namespace func {
+	typedef void (* Func)(std::stringstream &args);
+
+	/// register a function pointer
+	void add(const char *functionname, Func functionptr);
+
+	/// unregister a function pointer
+	void remove(std:: string functionname);
+
+	/// find a fuction
+	Func find(std::string functionname);
+}
+
+}
+
+#endif // __INCLUDED_CORE_FUNC_H__
diff --git a/src/core/gameinterface.cc b/src/core/gameinterface.cc
index 964da2d..d9d8f0c 100644
--- a/src/core/gameinterface.cc
+++ b/src/core/gameinterface.cc
@@ -1,5 +1,5 @@
 /*
-   core/game.cc
+   core/gameinterface.cc
    This file is part of the Osirion project and is distributed under 
    the terms of the GNU General Public License version 2 
 */
@@ -21,6 +21,7 @@ GameInterface::GameInterface()
 		exit(2);
 	}
 	gameinterface_instance = this;
+	game_ready = false;
 }
 
 GameInterface::~GameInterface()
@@ -33,5 +34,18 @@ GameInterface *GameInterface::instance()
 	return gameinterface_instance;
 }
 
+void GameInterface::init()
+{
+	game_ready = true;
+}
+
+void GameInterface::shutdown()
+{
+	game_ready = false;
 }
 
+bool GameInterface::ready()
+{
+	return game_ready;
+}
+}
diff --git a/src/core/gameinterface.h b/src/core/gameinterface.h
index 3bd887c..622aaf5 100644
--- a/src/core/gameinterface.h
+++ b/src/core/gameinterface.h
@@ -1,5 +1,5 @@
 /*
-   core/game.h
+   core/gameinterface.h
    This file is part of the Osirion project and is distributed under 
    the terms of the GNU General Public License version 2 
 */
@@ -21,10 +21,10 @@ public:
 	virtual ~GameInterface();
 
 	/// initialize the game
-	virtual void init() = 0;
+	virtual void init();
 
 	/// shutdown the game
-	virtual void shutdown() = 0;
+	virtual void shutdown();
 
 	/// run one frame of the game
 	/** @param sec time since the previous frame, in seconds
@@ -34,9 +34,13 @@ public:
 	/// a pointer to the current game instance
 	static GameInterface * instance();
 
+	/// state of the game
+	bool ready();
+
 private:
 	/// game singleton
 	static GameInterface *gameinterface_instance;
+	bool game_ready;
 };
 
 }
diff --git a/src/game/game.cc b/src/game/game.cc
index 7f2ad17..2945657 100644
--- a/src/game/game.cc
+++ b/src/game/game.cc
@@ -18,23 +18,11 @@
 namespace game
 {
 
-Ship ship;
-Star star;
-bool initialized = false;
-
-std::string name; 	// name of the game
-std::string label;	// label of the game
-std::string author;	// author of the game
-
-// sectors in space
-std::vector<Sector*>	sectors;
-
 void Game::init()
 {
 	using math::Vector3f;
 	using filesystem::IniFile;
 
-	con_print << "Project::OSiRiON " << VERSION << std::endl;
 	con_debug << "Debug messages enabled" << std::endl;
 
 	// read game.ini
@@ -61,7 +49,8 @@ void Game::init()
 	}
 	f.close();
 
-	con_print << "game.ini loaded " << name << " [" << label << "] by " << author << std::endl;
+	con_print << name << std::endl;
+	con_print << "by " << author << std::endl;
 
 	// read world.ini
 	std::string tmp;
@@ -108,14 +97,16 @@ void Game::init()
 	star.location = Vector3f(256.0f, 0.0f, 256.0f);
 	ship.location = Vector3f(0,0,0);
 
-	// all done, ready to run
-	initialized = true;
+	// signal the gameinterface the game is ready
+	core::GameInterface::init();
+
+	// test functions
+	core::cmd << "help" << std::endl;
+	core::cmd << "test" << std::endl;
 }
 
 void Game::shutdown()
 {
-	initialized = false;
-
 	// delete every sector object in the sectors vector
 	for (unsigned int n =0; n< sectors.size(); n++) {
 		delete sectors[n];
@@ -123,6 +114,9 @@ void Game::shutdown()
 	}
 	// clear the sectors vector
 	sectors.clear();
+
+	// signal the gameinterface the game has shutdown
+	core::GameInterface::shutdown();
 }
 
 void Game::frame(float elapsed)
diff --git a/src/game/game.h b/src/game/game.h
index 6f77bcf..bd9cebb 100644
--- a/src/game/game.h
+++ b/src/game/game.h
@@ -10,31 +10,40 @@
 // project headers
 #include "game/ship.h"
 #include "game/star.h"
+#include "game/sector.h"
 #include "core/core.h"
 #include "sys/sys.h"
 
+// C++ headers
+#include <vector>
+#include <string>
+
 /// the game-specific engine
-/** The main game functions. The console should be initialized before calling these.
+/** The main game functions.
  */
 namespace game
 {
 
-/// the only ship in the game
-extern Ship ship;
-
-/// the only star in the game
-extern Star star;
-
 class Game : public core::GameInterface {
 public:
 	/// initialize the game
 	void init();
-
 	/// shutdown the game
 	void shutdown();
-
-	/// update the game state
+	/// execute one game grame
 	void frame(float sec);
+
+	/// sectors in space 
+	std::vector<Sector*> sectors;
+	/// the only ship in the game
+	Ship ship;
+	/// the only star in the game
+	Star star;
+
+private:
+	std::string name;
+	std::string label;
+	std::string author;
 };
 
 }
diff --git a/src/osirion.cc b/src/osirion.cc
new file mode 100644
index 0000000..6955042
--- /dev/null
+++ b/src/osirion.cc
@@ -0,0 +1,14 @@
+/* client/main.cc
+   This file is part of the Osirion project and is distributed under 
+   the terms and conditions of the GNU General Public License version 2 
+*/
+
+#include "client/client.h"
+
+int main( int argc, char *argv[] )
+{
+	client::application.init();
+	client::application.run();
+	client::application.shutdown();
+}
+
diff --git a/src/osiriond.cc b/src/osiriond.cc
new file mode 100644
index 0000000..052c68d
--- /dev/null
+++ b/src/osiriond.cc
@@ -0,0 +1,14 @@
+/*
+   server/main.cc
+   This file is part of the Osirion project and is distributed under 
+   the terms and conditions of the GNU General Public License version 2 
+*/
+
+#include "server/server.h"
+
+int main( int argc, char *argv[] )
+{
+	server::application.init();
+	server::application.run();
+	server::application.shutdown();
+}
diff --git a/src/server/application.cc b/src/server/application.cc
index 0d3fe4b..ee5f32f 100644
--- a/src/server/application.cc
+++ b/src/server/application.cc
@@ -9,6 +9,7 @@
 #include "server/application.h"
 #include "server/timer.h"
 #include "core/core.h"
+#include "game/game.h"
 
 namespace server {
 
diff --git a/src/server/console.cc b/src/server/console.cc
index 3df0e09..a2e8503 100644
--- a/src/server/console.cc
+++ b/src/server/console.cc
@@ -18,6 +18,10 @@ std::ostream & Console::warningstream()
 {
 	return std::cerr;
 }
+std::ostream & Console::errorstream()
+{
+	return std::cerr;
+}
 
 std::ostream & Console::debugstream()
 {
diff --git a/src/server/console.h b/src/server/console.h
index 34166be..a5f45c3 100644
--- a/src/server/console.h
+++ b/src/server/console.h
@@ -20,6 +20,9 @@ public:
 	/// stream to send warning messages too
 	virtual std::ostream & warningstream();
 
+	/// stream to send warning messages too
+	virtual std::ostream & errorstream();
+	
 	/// stream to send debug messages too
 	virtual std::ostream & debugstream();
 	
diff --git a/src/sys/consoleinterface.h b/src/sys/consoleinterface.h
index e0228ae..6540d95 100644
--- a/src/sys/consoleinterface.h
+++ b/src/sys/consoleinterface.h
@@ -17,6 +17,8 @@
 #define con_print sys::ConsoleInterface::instance()->messagestream()
 /// global define to send a warning message to the system console
 #define con_warn sys::ConsoleInterface::instance()->warningstream()
+/// global define to send an error message to the system console
+#define con_error sys::ConsoleInterface::instance()->errorstream()
 
 #ifdef HAVE_DEBUG_MESSAGES
 /// global define to send a debug message to the system console
@@ -42,6 +44,9 @@ public:
 	/// stream to send warning messages too
 	virtual std::ostream & warningstream() = 0;
 
+	/// stream to send error messages too
+	virtual std::ostream & errorstream() = 0;
+
 	/// stream to send debug messages too
 	virtual std::ostream & debugstream() = 0;