1 files changed, 71 insertions, 0 deletions
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
+