1 files changed, 133 insertions, 0 deletions
diff --git a/src/game/base/spacemine.cc b/src/game/base/spacemine.cc
new file mode 100644
index 0000000..74ad185
--- /dev/null
+++ b/src/game/base/spacemine.cc
@@ -0,0 +1,133 @@
+/*
+   base/spacemine.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 "base/spacemine.h"
+#include "base/game.h"
+#include "math/functions.h"
+
+namespace game
+{
+
+
+SpaceMine::SpaceMine() : EntityDynamic()
+{
+	entity_moduletypeid = spacemine_enttype;
+	set_name("Space mine");
+	set_label("spacemine");
+		
+	set_flag(core::Entity::KeepAlive);
+/*	
+	// setting 
+	set_radius(0);
+	
+	// use template settings if available
+	if (cargopod_template) {
+		cargopod_template->apply(this);
+	}
+	
+	// radius fallback
+	if (!radius()) {
+		if (model()->radius()) {
+			set_radius(model()->radius());
+		} else {
+			set_radius(0.1f);
+		}
+	}
+*/
+	set_shape(core::Entity::Sphere);
+	set_radius(0.10f);
+	
+	// activate physics
+	set_mass(radius());
+	reset();
+	
+	const float damp = Game::g_damping->value();
+	body()->setDamping(damp, damp);
+}
+
+SpaceMine::~SpaceMine()
+{
+
+}
+
+void SpaceMine::upkeep(const unsigned long timestamp)
+{
+	// space mines dissapear on upkeep
+	die();
+}
+
+void SpaceMine::collision(core::Entity *other)
+{
+	if (state() == core::Entity::Destroyed) {
+		return;
+	}
+	
+	// mines explode on impact
+
+	if (other->moduletype() == ship_enttype) {
+		Ship *ship = static_cast<Ship *>(other);
+		
+		math::Vector3f explosion_direction(ship->location() - location());
+		explosion_direction.normalize();
+		
+		math::Vector3f explosion_torque(math::randomf(2.0f) - 1.0f, math::randomf(2.0f) - 1.0f, math::randomf(2.0f) - 1.0f);
+		
+		// explosion force has the same magnitude as an impulse engine
+		// note: this has nothing to do with amount of damage
+
+		ship->body()->applyCentralImpulse(math::to_btVector3(explosion_direction * ship->impulse_force() * 5.0f));		
+		ship->body()->applyTorqueImpulse(math::to_btVector3(explosion_torque * ship->impulse_force() * 0.1f));
+	}
+	
+	set_state(core::Entity::Destroyed);
+	die();
+}
+	
+void SpaceMine::frame(const unsigned long elapsed)
+{
+	EntityDynamic::frame(elapsed);
+}
+	
+// main 'eject mine' function
+void SpaceMine::eject(core::EntityControlable *ejector)
+{
+	if (!ejector->inventory()) {
+		return;
+	}
+	
+	if ((ejector->state() == core::Entity::Jump) || (ejector->state() == core::Entity::JumpInitiate)) {
+		if (ejector->owner()) {
+			ejector->owner()->send("^WCan not eject while hyperspace jump drive is active!");
+		}
+		return;
+	} else if ((ejector->state() == core::Entity::Impulse) || (ejector->state() == core::Entity::ImpulseInitiate)) {
+		if (ejector->owner()) {
+			ejector->owner()->send("^WCan not eject at impulse speed!");
+		}
+		return;
+	} else if (ejector->state() != core::Entity::Normal) {
+		return;
+	}
+		
+	// create space mine
+	SpaceMine *spacemine = new SpaceMine();
+	
+	spacemine->set_color(ejector->color());
+	spacemine->set_color_second(ejector->color_second());
+	spacemine->set_location(ejector->location() - ejector->axis().forward() * (ejector->radius() + spacemine->radius()));
+	spacemine->set_axis(ejector->axis());
+	spacemine->set_zone(ejector->zone());
+	
+	if (ejector->owner()) {
+		ejector->owner()->send("Spacemine ejected");
+		ejector->owner()->sound("fx/eject");
+	}
+	
+	spacemine->reset();
+}
+
+} // namespace game
+