/**
* @brief Sets a jump's known state.
*
* @usage j:setKnown( false ) -- Makes jump unknown.
* @luaparam j Jump to set known.
* @luaparam b Whether or not to set as known (defaults to true).
* @luafunc setKnown( j, b )
*/
static int jumpL_setKnown( lua_State *L )
{
int b, offset, changed;
JumpPoint *jp;
jp = luaL_validjumpSystem(L, 1, &offset, NULL);
/* True if boolean isn't supplied. */
if (lua_gettop(L) > offset)
b = lua_toboolean(L, 1 + offset);
else
b = 1;
changed = (b != (int)jp_isKnown(jp));
if (b)
jp_setFlag( jp, JP_KNOWN );
else
jp_rmFlag( jp, JP_KNOWN );
/* Update outfits image array. */
if (changed)
outfits_updateEquipmentOutfits();
return 0;
}
/**
* @brief Check to see if a jump point is in sensor range of the pilot.
*
* @param p Pilot who is trying to check to see if the jump point is in sensor range.
* @param target Jump point to see if is in sensor range.
* @return 1 if they are in range, 0 if they aren't.
*/
int pilot_inRangeJump( const Pilot *p, int i )
{
double d;
JumpPoint *jp;
double sense;
double hide;
/* pilot must exist */
if ( p == NULL )
return 0;
/* Get the jump point. */
jp = &cur_system->jumps[i];
/* We don't want exit-only or unknown hidden jumps. */
if ((jp_isFlag(jp, JP_EXITONLY)) || ((jp_isFlag(jp, JP_HIDDEN)) && (!jp_isKnown(jp)) ))
return 0;
sense = sensor_curRange * p->ew_jumpDetect;
hide = jp->hide;
/* Get distance. */
d = vect_dist2( &p->solid->pos, &jp->pos );
if (d * hide < sense)
return 1;
return 0;
}
/**
* @brief Checks to see if a jump is known by the player.
*
* @usage b = j:known()
*
* @luaparam s Jump to check if the player knows.
* @luareturn true if the player knows the jump.
* @luafunc known( j )
*/
static int jumpL_isKnown( lua_State *L )
{
JumpPoint *jp;
jp = luaL_validjump(L,1);
lua_pushboolean(L, jp_isKnown(jp));
return 1;
}
