/** Start at given point, move in given direction, find and Smooth coast in that direction */
static void HeightMapSmoothCoastInDirection(int org_x, int org_y, int dir_x, int dir_y)
{
const int max_coast_dist_from_edge = 35;
const int max_coast_Smooth_depth = 35;
int x, y;
int ed; // coast distance from edge
int depth;
height_t h_prev = 16;
height_t h;
assert(IsValidXY(org_x, org_y));
/* Search for the coast (first non-water tile) */
for (x = org_x, y = org_y, ed = 0; IsValidXY(x, y) && ed < max_coast_dist_from_edge; x += dir_x, y += dir_y, ed++) {
/* Coast found? */
if (_height_map.height(x, y) > 15) break;
/* Coast found in the neighborhood? */
if (IsValidXY(x + dir_y, y + dir_x) && _height_map.height(x + dir_y, y + dir_x) > 0) break;
/* Coast found in the neighborhood on the other side */
if (IsValidXY(x - dir_y, y - dir_x) && _height_map.height(x - dir_y, y - dir_x) > 0) break;
}
/* Coast found or max_coast_dist_from_edge has been reached.
* Soften the coast slope */
for (depth = 0; IsValidXY(x, y) && depth <= max_coast_Smooth_depth; depth++, x += dir_x, y += dir_y) {
h = _height_map.height(x, y);
h = min(h, h_prev + (4 + depth)); // coast softening formula
_height_map.height(x, y) = h;
h_prev = h;
}
}
CSector * CPointBase::GetSector() const
{
ADDTOCALLSTACK("CPointBase::GetSector");
if ( !IsValidXY() )
{
g_Log.Event(LOGL_ERROR, "Point(%d,%d): trying to get a sector for point on map #%d out of bounds for this map(%d,%d). Defaulting to sector 0 of the map.\n",
m_x, m_y, m_map, g_MapList.GetX(m_map), g_MapList.GetY(m_map));
return g_World.GetSector(m_map, 0);
}
// Get the world Sector we are in.
return g_World.GetSector(m_map, ((m_y / g_MapList.GetSectorSize(m_map) * g_MapList.GetSectorCols(m_map)) + ( m_x / g_MapList.GetSectorSize(m_map) )));
}
bool CPointBase::IsValidPoint() const
{
return( IsValidXY() && IsValidZ());
}