private void add_all_natural_features(List<NaturalFeature.Feature_Type> features)
{
for (int i = 0; i < features.Count; i++)
{
if (features[i] == NaturalFeature.Feature_Type.River ||
features[i] == NaturalFeature.Feature_Type.Chasm)
{
int feature_length_side1 = randGen.Next(15, 26);
int feature_length_side2 = randGen.Next(15, 26);
gridCoordinate feature_center = random_valid_position(current_floorsize);
gridCoordinate feature_start = new gridCoordinate(-1, -1);
gridCoordinate feature_end = new gridCoordinate(-1, -1);
bool valid_feature = false;
while (!valid_feature)
{
//Start with a random valid position
feature_center = random_valid_position(current_floorsize);
//Generate direction vectors for each side of the feature.
float side_xVector = (float)Math.Cos(randGen.NextDouble() * Math.PI * 2);
float side_yVector = (float)Math.Sin(randGen.NextDouble() * Math.PI * 2);
Vector2 side_directionVector = new Vector2(side_xVector, side_yVector);
//Adjust the endpoints.
feature_start = new gridCoordinate(feature_center);
feature_end = new gridCoordinate(feature_center);
feature_start.add_vector2(side_directionVector * feature_length_side1);
feature_end.add_vector2(side_directionVector * feature_length_side2 * -1);
//Force the values to be safe.
feature_start.force_safe_value(current_floorsize);
feature_end.force_safe_value(current_floorsize);
//Check to see whether the values are okay. All river values are accepted
//Chasm values are rerolled if they're too close to the edge.
if (features[i] == NaturalFeature.Feature_Type.River)
valid_feature = true;
else if (features[i] == NaturalFeature.Feature_Type.Chasm)
{
if (feature_start.x > 4 && feature_start.x < 47 &&
feature_start.y > 4 && feature_start.y < 47 &&
feature_end.x > 4 && feature_end.x < 47 &&
feature_end.y > 4 && feature_end.y < 47)
valid_feature = true;
}
}
if (features[i] == NaturalFeature.Feature_Type.River)
{
//Add the new river
int deepwater_thickness = randGen.Next(2);
int shallows_thickness = 1 + randGen.Next(3);
int banks_thickness = 1 + randGen.Next(2);
featurelayout.Add(new NaturalFeature(feature_start, feature_end, NaturalFeature.River_Type.Normal,
deepwater_thickness,
shallows_thickness,
banks_thickness));
}
else if (features[i] == NaturalFeature.Feature_Type.Chasm)
{
//Add the new chasm
int max_thickness = randGen.Next(6, 13);
featurelayout.Add(new NaturalFeature(feature_start, feature_end, max_thickness));
}
}
else if (features[i] == NaturalFeature.Feature_Type.Lake)
{
gridCoordinate feature_center = random_valid_position(current_floorsize);
int xSize = randGen.Next(11, 18);
int ySize = randGen.Next(11, 18);
int room_thickness = 1 + randGen.Next(2);
int shore_thickness = 1 + randGen.Next(2);
int shallows_thickness = 1 + randGen.Next(2);
gridCoordinate feature_start = new gridCoordinate(feature_center.x - xSize / 2, feature_center.y - ySize / 2);
gridCoordinate feature_end = new gridCoordinate(feature_center.x + xSize / 2, feature_center.y + ySize / 2);
feature_start.force_safe_value(current_floorsize);
feature_end.force_safe_value(current_floorsize);
featurelayout.Add(new NaturalFeature(feature_start, feature_end, room_thickness, shore_thickness, shallows_thickness));
}
}
}
