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/*
game/ship.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
*/
// project headers
#include "game/game.h"
#include "game/ship.h"
#include "math/mathlib.h"
// C++ headers
#include <iostream>
using math::degrees360f;
using math::degrees180f;
namespace game {
Ship::Ship(core::Player *owner, ShipModel *shipmodel) :
core::EntityControlable(owner, ship_enttype)
{
entity_modelname = "ships/" + shipmodel->modelname();
entity_name = shipmodel->name() + ": <" + owner->name() + ">";
ship_shipmodel = shipmodel;
entity_moduletypeid = ship_enttype;
}
Ship::~Ship()
{
if (entity_owner)
entity_owner->remove_asset(this);
}
void Ship::frame(float seconds)
{
// update thrust
entity_thrust = target_thrust;
if (entity_thrust < 0.0f)
entity_thrust = 0.0f;
else if(entity_thrust > 1.0f)
entity_thrust = 1.0f;
// update direction
if (target_direction > 1.0f)
target_direction = 1.0f;
else if (target_direction < -1.0f)
target_direction = -1.0f;
float direction_offset = ship_shipmodel->turnspeed() * seconds * target_direction;
if (direction_offset)
entity_axis.change_direction(360.0f * direction_offset);
// update pitch
if (target_pitch > 1.0f)
target_pitch = 1.0f;
else if (target_pitch < -1.0f)
target_pitch = -1.0f;
float pitch_offset = ship_shipmodel->turnspeed() * seconds * target_pitch;
if (pitch_offset)
entity_axis.change_pitch(360.0f * pitch_offset);
// update speed
if (entity_speed < entity_thrust * ship_shipmodel->maxspeed()) {
entity_speed += ship_shipmodel->acceleration() * seconds;
if (entity_speed > entity_thrust * ship_shipmodel->maxspeed()) {
entity_speed = entity_thrust * ship_shipmodel->maxspeed();
}
} else if(entity_speed > entity_thrust * ship_shipmodel->maxspeed()) {
entity_speed -= ship_shipmodel->acceleration() * seconds;
if (entity_speed < 0.0f) entity_speed = 0.0f;
}
entity_location += entity_axis.forward() * entity_speed * seconds;
entity_dirty = true;
}
} // namespace game
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