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/*
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->type() == core::Entity::Dynamic) || (other->type() == core::Entity::Controlable)) {
core::EntityDynamic *entity = static_cast<core::EntityDynamic *>(other);
math::Vector3f explosion_direction(entity->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_torque.normalize();
const float force = math::max(entity->mass(), entity->radius() * 100.0f);
entity->body()->applyCentralImpulse(math::to_btVector3(explosion_direction * force ));
entity->body()->applyTorqueImpulse(math::to_btVector3(explosion_torque * 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
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