Added space mine proof of concept.

6 files changed, 185 insertions, 2 deletions

diff --git a/src/game/base/Makefile.am b/src/game/base/Makefile.am
index 89c87d3..ddfa5ae 100644
--- a/src/game/base/Makefile.am
+++ b/src/game/base/Makefile.am
@@ -15,6 +15,7 @@ noinst_HEADERS = \
 	savegame.h \
 	ship.h \
 	shipmodel.h \
+	spacemine.h \
 	star.h \
 	station.h \
 	template.h
@@ -31,6 +32,7 @@ libbase_la_SOURCES = \
 	savegame.cc \
 	ship.cc \
 	shipmodel.cc \
+	spacemine.cc \
 	star.cc \
 	station.cc \
 	template.cc
diff --git a/src/game/base/cargopod.cc b/src/game/base/cargopod.cc
index 09e5183..67ae51e 100644
--- a/src/game/base/cargopod.cc
+++ b/src/game/base/cargopod.cc
@@ -20,6 +20,7 @@ CargoPod::CargoPod() : EntityDynamic()
 		
 	set_flag(core::Entity::KeepAlive);
 	
+	// setting radius to 0 allows it to be set by the template
 	set_radius(0);
 	
 	// use template settings if available
diff --git a/src/game/base/game.cc b/src/game/base/game.cc
index c4e354c..f542676 100644
--- a/src/game/base/game.cc
+++ b/src/game/base/game.cc
@@ -23,6 +23,7 @@
 #include "base/jumppoint.h"
 #include "base/planet.h"
 #include "base/savegame.h"
+#include "base/spacemine.h"
 #include "base/station.h"
 #include "base/racetrack.h"
 #include "base/ship.h"
@@ -667,6 +668,13 @@ void Game::func_eject(core::Player *player, const std::string &args)
 		aux::to_label(typestr);
 	}
 
+	if (g_devel->value()) {
+		if (typestr.compare("mine") == 0) {
+			SpaceMine::eject(player->control());
+			return;
+		}
+	}
+		
 	if (!(is >> labelstr)) {
 		player->send("Usage: eject [string] [string] [int] eject an item: specify type, label and amount");
 		return;
@@ -684,7 +692,7 @@ void Game::func_eject(core::Player *player, const std::string &args)
 			cargo->eject(player->control(), amount);			
 		} else {
 			player->send("Unkown cargo type '" + labelstr + "'");
-		}	
+		}
 	} else {
 		player->send("Unkown item type '" + typestr + "'");
 	}
diff --git a/src/game/base/game.h b/src/game/base/game.h
index fb64798..6a17d16 100644
--- a/src/game/base/game.h
+++ b/src/game/base/game.h
@@ -34,7 +34,8 @@ const unsigned int jumppoint_enttype = 260;
 const unsigned int jumpgate_enttype = 261;
 const unsigned int station_enttype = 262;
 const unsigned int cargopod_enttype = 263;
-const unsigned int race_enttype = 264;
+const unsigned int spacemine_enttype = 264;
+const unsigned int race_enttype = 280;
 
 // planet docking distance
 const float planet_safe_distance = 50.0f;
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
+
diff --git a/src/game/base/spacemine.h b/src/game/base/spacemine.h
new file mode 100644
index 0000000..cdb903c
--- /dev/null
+++ b/src/game/base/spacemine.h
@@ -0,0 +1,38 @@
+/*
+   base/spacemine.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_SPACEMINE_H__
+#define __INCLUDED_BASE_SPACEMINE_H__
+
+#include "core/entity.h"
+#include "base/template.h"
+
+namespace game
+{
+
+class SpaceMine : public core::EntityDynamic
+{
+public:
+	SpaceMine();
+	virtual ~SpaceMine();
+	
+	virtual void upkeep(const unsigned long timestamp);
+	
+	virtual void collision(Entity *other);
+	
+	virtual void frame(const unsigned long elapsed);
+
+	static void eject(core::EntityControlable *ejector);
+
+private:
+	
+	unsigned long		spacemine_detonated_timestamp;
+};
+
+} // namespace game
+
+#endif // __INCLUDED_BASE_SPACEMINE_H__
+