5 files changed, 111 insertions, 3 deletions

diff --git a/src/game/base/Makefile.am b/src/game/base/Makefile.am
index 21e1717..74b5d74 100644
--- a/src/game/base/Makefile.am
+++ b/src/game/base/Makefile.am
@@ -2,7 +2,7 @@ INCLUDES = -I$(top_srcdir)/src -I$(top_srcdir)/src/game
 METASOURCES = AUTO
 libbase_la_LDFLAGS = -avoid-version
 noinst_LTLIBRARIES = libbase.la
-libbase_la_SOURCES = game.cc jumppoint.cc navpoint.cc planet.cc racetrack.cc \
+libbase_la_SOURCES = game.cc collision.cc jumppoint.cc navpoint.cc planet.cc racetrack.cc \
 	ship.cc shipdealer.cc shipmodel.cc star.cc station.cc
-noinst_HEADERS = game.h jumppoint.h navpoint.h planet.h racetrack.h ship.h \
+noinst_HEADERS = game.h collision.h jumppoint.h navpoint.h planet.h racetrack.h ship.h \
 	shipdealer.h shipmodel.h star.h station.h
diff --git a/src/game/base/collision.cc b/src/game/base/collision.cc
new file mode 100644
index 0000000..894ce95
--- /dev/null
+++ b/src/game/base/collision.cc
@@ -0,0 +1,71 @@
+/*
+   base/collision.cc
+   This file is part of the Osirion project and is distributed under
+   the terms of the GNU General Public License version 2.
+*/
+
+#include "base/collision.h"
+#include "base/game.h"
+#include "core/zone.h"
+#include "math/functions.h"
+#include "math/vector3f.h" 
+
+namespace game {
+
+void Collision::distance_test(core::EntityControlable *first, core::Entity *second)
+{
+	if (!first->owner())
+		return;
+
+	if (first->eventstate() == core::Entity::Docked)
+		return;
+
+	// FIXME - use distancesquared
+	const float d = math::distance(first->location(), second->location());
+	const float r = first->radius() + second->radius();
+
+	if (second->type() == core::Entity::Globe) {
+		// collision with a star or a planet
+
+		if ( (d-r) < 0.0f) {
+			// crash zone
+			if (first->owner()->last_warning() + 5.0f < core::application()->time()) {
+				first->owner()->send_warning("^RBOOM!^N");
+			}
+		} else 	if (first->owner()->last_warning() + 5.0f < core::application()->time()) {
+			// warning zone: star corona or planet atmosphere
+			if ((second->moduletype() == star_enttype)  &&  (d-r < 50.0f)) {
+				first->owner()->send_warning("^3Warning: entering star corona!^N");
+			} else if ((second->moduletype() == planet_enttype)   &&  (d-r < 15.0f)) {
+				first->owner()->send_warning("^3Warning: hard landing imminent!^N");
+			}
+		}
+	}
+}
+
+void Collision::frame_zone(core::Zone *zone)
+{
+	core::Zone::Content::iterator first;
+	core::Zone::Content::iterator second;
+
+	for (first = zone->content().begin(); first != zone->content().end(); first ++) {
+		second = first;
+		for (second++; second != zone->content().end(); second++) {
+			if ( (*first)->type() == core::Entity::Controlable) {
+				distance_test(static_cast<core::EntityControlable *>((*first)), (*second));
+			} else if ((*second)->type() == core::Entity::Controlable) {
+				distance_test(static_cast<core::EntityControlable *> ((*second)), (*first));
+			}
+		}
+	}
+}
+
+void Collision::frame(const float elapsed)
+{
+	for (core::Zone::Registry::iterator it = core::Zone::registry().begin(); it != core::Zone::registry().end(); it++) {
+		frame_zone((*it).second);
+	}
+}
+
+} // namespace game
+
diff --git a/src/game/base/collision.h b/src/game/base/collision.h
new file mode 100644
index 0000000..8203669
--- /dev/null
+++ b/src/game/base/collision.h
@@ -0,0 +1,31 @@
+/*
+   base/collision.h
+   This file is part of the Osirion project and is distributed under 
+   the terms and conditions of the GNU General Public License version 2 
+*/
+
+#ifndef __INCLUDED_BASE_COLLISION_H__
+#define __INCLUDED_BASE_COLLISION_H__
+
+#include "core/zone.h"
+
+namespace game {
+
+/// collision detection functions
+class Collision {
+public:
+	/// do collision detection
+	static void frame(const float elapsed);
+
+private:
+	/// do collision detection for a single zone
+	static void frame_zone(core::Zone *zone);
+	
+	/// do a distance test between two entities
+	static void distance_test(core::EntityControlable *first, core::Entity *second);
+};
+
+}
+
+#endif // __INCLUDED_BASE_COLLISION_H__
+
diff --git a/src/game/base/game.cc b/src/game/base/game.cc
index 07cec0c..23eee3f 100644
--- a/src/game/base/game.cc
+++ b/src/game/base/game.cc
@@ -15,6 +15,7 @@
 #include "filesystem/filesystem.h"
 #include "filesystem/inifile.h"
 #include "base/game.h"
+#include "base/collision.h"
 #include "base/navpoint.h"
 #include "base/jumppoint.h"
 #include "base/planet.h"
@@ -848,6 +849,11 @@ void Game::frame(float seconds)
 {
 	if (!running())
 		return;
+
+	// TODO check Module::frame() is execute before are Entity::frame()
+	
+	// collision
+	Collision::frame(seconds);
 }
 
 void Game::player_connect(core::Player *player)
diff --git a/src/game/base/racetrack.cc b/src/game/base/racetrack.cc
index e818414..f36c047 100644
--- a/src/game/base/racetrack.cc
+++ b/src/game/base/racetrack.cc
@@ -200,7 +200,7 @@ void RaceTrack::frame(float seconds)
 				player->add_credits(the_prize);
 				msgstr.clear();
 				msgstr.str("");
-				msgstr << "You receive " << the_prize << " credits." << std::endl;
+				msgstr << "You receive " << the_prize << " credits.";
 				player->send(msgstr.str());
 				player->sound("game/buy");