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LuaSpaceStation.cpp
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LuaSpaceStation.cpp
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// Copyright © 2008-2015 Pioneer Developers. See AUTHORS.txt for details
// Licensed under the terms of the GPL v3. See licenses/GPL-3.txt
#include "LuaObject.h"
#include "LuaUtils.h"
#include "SpaceStation.h"
#include "LuaConstants.h"
/*
* Class: SpaceStation
*
* Class representing a space station. Inherits from <ModelBody>
*/
/*
* Method: GetGroundPosition
*
* Get latitude, longitude of a station on the ground or nil if this is an orbital station
*
* > latitude, longitude = station:GetGroundPosition()
*
* Returns:
*
* latitude - the latitude of the station in radians
* longitude - the longitude of the station in radians
*
* Examples:
*
* > -- Get ground position of L.A. when starting on Earth
* > local la = Game.player:GetDockedWith()
* > local lat, long = la:GetGroundPosition()
* > lat = math.rad2deg(lat)
* > long = math.rad2deg(long)
*
* Availability:
*
* July 2013
*
* Status:
*
* experimental
*/
static int l_spacestation_get_ground_position(lua_State *l)
{
SpaceStation *s = LuaObject<SpaceStation>::CheckFromLua(1);
if (!s->IsGroundStation())
return 0;
vector3d pos = s->GetPosition();
double latitude = atan2(pos.y, sqrt(pos.x*pos.x + pos.z * pos.z));
double longitude = atan2(pos.x, pos.z);
lua_pushnumber(l, latitude);
lua_pushnumber(l, longitude);
return 2;
}
/*
* Attribute: numDocks
*
* The number of docking ports a spacestation has.
*
* Availability:
*
* alpha 21
*
* Status:
*
* experimental
*/
static int l_spacestation_attr_num_docks(lua_State *l)
{
SpaceStation *s = LuaObject<SpaceStation>::CheckFromLua(1);
lua_pushinteger(l, s->GetDockingPortCount());
return 1;
}
/*
* Attribute: numShipsDocked
*
* The number of ships docked at spacestation
*
* Availability:
*
* 201404
*
* Status:
*
* experimental
*/
static int l_spacestation_attr_num_ships_docked(lua_State *l)
{
SpaceStation *s = LuaObject<SpaceStation>::CheckFromLua(1);
lua_pushinteger(l, s->NumShipsDocked());
return 1;
}
/*
* Attribute: isGroundStation
*
* true if station is on the ground, false if its an orbital
*
* Availability:
*
* alpha 30
*
* Status:
*
* experimental
*/
static int l_spacestation_attr_is_ground_station(lua_State *l)
{
SpaceStation *s = LuaObject<SpaceStation>::CheckFromLua(1);
lua_pushboolean(l, s->IsGroundStation());
return 1;
}
template <> const char *LuaObject<SpaceStation>::s_type = "SpaceStation";
template <> void LuaObject<SpaceStation>::RegisterClass()
{
const char *l_parent = "ModelBody";
static const luaL_Reg l_methods[] = {
{ "GetGroundPosition", l_spacestation_get_ground_position },
{ 0, 0 }
};
static luaL_Reg l_attrs[] = {
{ "numDocks", l_spacestation_attr_num_docks },
{ "isGroundStation", l_spacestation_attr_is_ground_station },
{ "numShipsDocked", l_spacestation_attr_num_ships_docked },
{ 0, 0 }
};
LuaObjectBase::CreateClass(s_type, l_parent, l_methods, l_attrs, 0);
LuaObjectBase::RegisterPromotion(l_parent, s_type, LuaObject<SpaceStation>::DynamicCastPromotionTest);
}