private MyProceduralCell GenerateObjectSeedsCell(ref Vector3I cellId)
{
MyProceduralCell cell = new MyProceduralCell(cellId);
ProfilerShort.Begin("GenerateObjectSeedsCell");
IMyModule cellDensityFunction = CalculateCellDensityFunction(ref cellId);
if (cellDensityFunction == null)
{
ProfilerShort.End();
return(null);
}
int cellSeed = GetCellSeed(ref cellId);
using (MyRandom.Instance.PushSeed(cellSeed))
{
var random = MyRandom.Instance;
int index = 0;
Vector3I subCellId = Vector3I.Zero;
Vector3I max = new Vector3I(SUBCELLS - 1);
for (var iter = new Vector3I.RangeIterator(ref Vector3I.Zero, ref max); iter.IsValid(); iter.GetNext(out subCellId))
{
Vector3D position = new Vector3D(random.NextDouble(), random.NextDouble(), random.NextDouble());
position += (Vector3D)subCellId / SUBCELL_SIZE;
position += cellId;
position *= CELL_SIZE;
if (!MyEntities.IsInsideWorld(position))
{
continue;
}
ProfilerShort.Begin("GetValue");
var value = cellDensityFunction.GetValue(position.X, position.Y, position.Z);
ProfilerShort.End();
if (value < m_objectDensity) // -1..+1
{
var objectSeed = new MyObjectSeed(cell, position, GetObjectSize(random.NextDouble()));
objectSeed.Type = GetSeedType(random.NextDouble());
objectSeed.Seed = random.Next();
objectSeed.Index = index++;
GenerateObject(cell, objectSeed, ref index, random, cellDensityFunction);
}
}
}
ProfilerShort.End();
return(cell);
}
protected override MyProceduralCell GenerateProceduralCell(ref VRageMath.Vector3I cellId)
{
MyProceduralCell cell = new MyProceduralCell(cellId, this.CELL_SIZE);
ProfilerShort.Begin("GenerateProceduralCell");
IMyModule densityFunctionFilled = GetCellDensityFunctionFilled(cell.BoundingVolume);
if (densityFunctionFilled == null)
{
ProfilerShort.End();
return(null);
}
IMyModule densityFunctionRemoved = GetCellDensityFunctionRemoved(cell.BoundingVolume);
int cellSeed = GetCellSeed(ref cellId);
var random = MyRandom.Instance;
using (random.PushSeed(cellSeed))
{
Vector3D position = new Vector3D(random.NextDouble(), random.NextDouble(), random.NextDouble());
position *= (CELL_SIZE - 2 * OBJECT_SEED_RADIUS) / CELL_SIZE;
position += OBJECT_SEED_RADIUS / CELL_SIZE;
position += (Vector3D)cellId;
position *= CELL_SIZE;
if (MyEntities.IsInsideWorld(position))
{
ProfilerShort.Begin("GetValue");
var value = densityFunctionFilled.GetValue(position.X, position.Y, position.Z);
ProfilerShort.End();
if (value < m_objectDensity) // -1..+1
{
var size = MathHelper.Lerp(PLANET_SIZE_MIN, PLANET_SIZE_MAX, random.NextDouble());
var objectSeed = new MyObjectSeed(cell, position, size);
objectSeed.Params.Type = MyObjectSeedType.Planet;
objectSeed.Params.Seed = random.Next();
objectSeed.Params.Index = 0;
objectSeed.UserData = new MySphereDensityFunction(position, PLANET_SIZE_MAX / 2.0 * GRAVITY_SIZE_MULTIPLIER + FALLOFF, FALLOFF);
int index = 1;
GenerateObject(cell, objectSeed, ref index, random, densityFunctionFilled, densityFunctionRemoved);
}
}
}
ProfilerShort.End();
return(cell);
}
protected override MyProceduralCell GenerateProceduralCell(ref VRageMath.Vector3I cellId)
{
MyProceduralCell cell = new MyProceduralCell(cellId, this);
ProfilerShort.Begin("GenerateProceduralCell");
IMyModule densityFunctionFilled = GetCellDensityFunctionFilled(cell.BoundingVolume);
if (densityFunctionFilled == null)
{
ProfilerShort.End();
return null;
}
IMyModule densityFunctionRemoved = GetCellDensityFunctionRemoved(cell.BoundingVolume);
int cellSeed = GetCellSeed(ref cellId);
var random = MyRandom.Instance;
using (random.PushSeed(cellSeed))
{
Vector3D position = new Vector3D(random.NextDouble(), random.NextDouble(), random.NextDouble());
position *= (CELL_SIZE - 2 * OBJECT_SEED_RADIUS) / CELL_SIZE;
position += OBJECT_SEED_RADIUS / CELL_SIZE;
position += (Vector3D)cellId;
position *= CELL_SIZE;
if (MyEntities.IsInsideWorld(position))
{
ProfilerShort.Begin("GetValue");
var value = densityFunctionFilled.GetValue(position.X, position.Y, position.Z);
ProfilerShort.End();
if (value < m_objectDensity) // -1..+1
{
var size = MathHelper.Lerp(PLANET_SIZE_MIN, PLANET_SIZE_MAX, random.NextDouble());
var objectSeed = new MyObjectSeed(cell, position, size);
objectSeed.Type = MyObjectSeedType.Planet;
objectSeed.Seed = random.Next();
objectSeed.Index = 0;
objectSeed.UserData = new MySphereDensityFunction(position, OBJECT_SEED_RADIUS, OBJECT_SEED_RADIUS);
int index = 1;
GenerateObject(cell, objectSeed, ref index, random, densityFunctionFilled, densityFunctionRemoved);
}
}
}
ProfilerShort.End();
return cell;
}
private void GenerateObject(MyProceduralCell cell, MyObjectSeed objectSeed, ref int index, MyRandom random, IMyModule densityFunction)
{
cell.AddObject(objectSeed);
switch (objectSeed.Type)
{
case MyObjectSeedType.Asteroid:
m_asteroidSeedCount++;
break;
case MyObjectSeedType.AsteroidCluster:
objectSeed.Type = MyObjectSeedType.Asteroid;
m_asteroidSeedCount++;
m_tmpClusterBoxes.Add(objectSeed.BoundingVolume);
for (int j = 0; j < OBJECT_MAX_IN_CLUSTER; ++j)
{
var direction = GetRandomDirection(random);
var size = GetClusterObjectSize(random.NextDouble());
var distance = MathHelper.Lerp(OBJECT_MIN_DISTANCE_CLUSTER, OBJECT_MAX_DISTANCE_CLUSTER, random.NextDouble());
var clusterObjectPosition = objectSeed.BoundingVolume.Center + direction * (size + objectSeed.BoundingVolume.HalfExtents.Length() * 2 + distance);
ProfilerShort.Begin("GetValue");
var value = densityFunction.GetValue(clusterObjectPosition.X, clusterObjectPosition.Y, clusterObjectPosition.Z);
ProfilerShort.End();
if (value < OBJECT_DENSITY_CLUSTER) // -1..+1
{
var clusterObjectSeed = new MyObjectSeed(cell, clusterObjectPosition, size);
clusterObjectSeed.Seed = random.Next();
clusterObjectSeed.Index = index++;
clusterObjectSeed.Type = GetClusterSeedType(random.NextDouble());
bool overlaps = false;
foreach (var box in m_tmpClusterBoxes)
{
if (overlaps |= clusterObjectSeed.BoundingVolume.Intersects(box))
{
break;
}
}
if (!overlaps)
{
m_tmpClusterBoxes.Add(clusterObjectSeed.BoundingVolume);
GenerateObject(cell, clusterObjectSeed, ref index, random, densityFunction);
}
}
}
m_tmpClusterBoxes.Clear();
break;
case MyObjectSeedType.EncounterAlone:
case MyObjectSeedType.EncounterSingle:
case MyObjectSeedType.EncounterMulti:
m_encounterSeedCount++;
break;
default:
throw new InvalidBranchException();
break;
}
}
private MyProceduralCell GenerateObjectSeedsCell(ref Vector3I cellId)
{
MyProceduralCell cell = new MyProceduralCell(cellId);
ProfilerShort.Begin("GenerateObjectSeedsCell");
IMyModule cellDensityFunction = CalculateCellDensityFunction(ref cellId);
if (cellDensityFunction == null)
{
ProfilerShort.End();
return null;
}
int cellSeed = GetCellSeed(ref cellId);
using (MyRandom.Instance.PushSeed(cellSeed))
{
var random = MyRandom.Instance;
int index = 0;
Vector3I subCellId = Vector3I.Zero;
Vector3I max = new Vector3I(SUBCELLS - 1);
for (var iter = new Vector3I.RangeIterator(ref Vector3I.Zero, ref max); iter.IsValid(); iter.GetNext(out subCellId))
{
Vector3D position = new Vector3D(random.NextDouble(), random.NextDouble(), random.NextDouble());
position += (Vector3D)subCellId / SUBCELL_SIZE;
position += cellId;
position *= CELL_SIZE;
if (!MyEntities.IsInsideWorld(position))
{
continue;
}
ProfilerShort.Begin("GetValue");
var value = cellDensityFunction.GetValue(position.X, position.Y, position.Z);
ProfilerShort.End();
if (value < m_objectDensity) // -1..+1
{
var objectSeed = new MyObjectSeed(cell, position, GetObjectSize(random.NextDouble()));
objectSeed.Type = GetSeedType(random.NextDouble());
objectSeed.Seed = random.Next();
objectSeed.Index = index++;
GenerateObject(cell, objectSeed, ref index, random, cellDensityFunction);
}
}
}
ProfilerShort.End();
return cell;
}
public MyObjectSeed(MyProceduralCell cell, Vector3D position, double size)
{
Cell = cell;
Size = (float)size;
BoundingVolume = new BoundingBoxD(position - size, position + size);
}
protected override MyProceduralCell GenerateProceduralCell(ref VRageMath.Vector3I cellId)
{
MyProceduralCell cell = new MyProceduralCell(cellId, this);
ProfilerShort.Begin("GenerateObjectSeedsCell");
IMyModule densityFunctionFilled = GetCellDensityFunctionFilled(cell.BoundingVolume);
if (densityFunctionFilled == null)
{
ProfilerShort.End();
return null;
}
IMyModule densityFunctionRemoved = GetCellDensityFunctionRemoved(cell.BoundingVolume);
int cellSeed = GetCellSeed(ref cellId);
var random = MyRandom.Instance;
using (random.PushSeed(cellSeed))
{
int index = 0;
Vector3I subCellId = Vector3I.Zero;
Vector3I max = new Vector3I(SUBCELLS - 1);
for (var iter = new Vector3I.RangeIterator(ref Vector3I.Zero, ref max); iter.IsValid(); iter.GetNext(out subCellId))
{
// there is a bug in the position calculation which can very rarely cause overlaping objects but backwards compatibility so meh
Vector3D position = new Vector3D(random.NextDouble(), random.NextDouble(), random.NextDouble());
position += (Vector3D)subCellId / SUBCELL_SIZE;
position += cellId;
position *= CELL_SIZE;
if (!MyEntities.IsInsideWorld(position))
{
continue;
}
ProfilerShort.Begin("Density functions");
double valueRemoved = -1;
if (densityFunctionRemoved != null)
{
valueRemoved = densityFunctionRemoved.GetValue(position.X, position.Y, position.Z);
if (valueRemoved <= -1)
{
ProfilerShort.End();
continue;
}
}
var valueFilled = densityFunctionFilled.GetValue(position.X, position.Y, position.Z);
if (densityFunctionRemoved != null)
{
if (valueRemoved < valueFilled)
{
ProfilerShort.End();
continue;
}
}
ProfilerShort.End();
if (valueFilled < m_objectDensity) // -1..+1
{
var objectSeed = new MyObjectSeed(cell, position, GetObjectSize(random.NextDouble()));
objectSeed.Type = GetSeedType(random.NextDouble());
objectSeed.Seed = random.Next();
objectSeed.Index = index++;
GenerateObject(cell, objectSeed, ref index, random, densityFunctionFilled, densityFunctionRemoved);
}
}
}
ProfilerShort.End();
return cell;
}
private void GenerateObject(MyProceduralCell cell, MyObjectSeed objectSeed, ref int index, MyRandom random, IMyModule densityFunctionFilled, IMyModule densityFunctionRemoved)
{
cell.AddObject(objectSeed);
IMyAsteroidFieldDensityFunction func = objectSeed.UserData as IMyAsteroidFieldDensityFunction;
if (func != null)
{
ChildrenAddDensityFunctionRemoved(func);
}
switch (objectSeed.Type)
{
case MyObjectSeedType.Moon:
break;
case MyObjectSeedType.Planet:
m_tmpClusterBoxes.Add(objectSeed.BoundingVolume);
for (int i = 0; i < MOONS_MAX; ++i)
{
var direction = GetRandomDirection(random);
var size = MathHelper.Lerp(MOON_SIZE_MIN, MOON_SIZE_MAX, random.NextDouble());
var distance = MathHelper.Lerp(MOON_DISTANCE_MIN, MOON_DISTANCE_MAX, random.NextDouble());
var position = objectSeed.BoundingVolume.Center + direction * (size + objectSeed.BoundingVolume.HalfExtents.Length() * 2 + distance);
ProfilerShort.Begin("GetValue");
var value = densityFunctionFilled.GetValue(position.X, position.Y, position.Z);
ProfilerShort.End();
if (value < MOON_DENSITY) // -1..+1
{
var clusterObjectSeed = new MyObjectSeed(cell, position, size);
clusterObjectSeed.Seed = random.Next();
clusterObjectSeed.Type = MyObjectSeedType.Moon;
clusterObjectSeed.Index = index++;
clusterObjectSeed.UserData = new MySphereDensityFunction(position, OBJECT_SEED_RADIUS, OBJECT_SEED_RADIUS);
bool overlaps = false;
foreach (var box in m_tmpClusterBoxes)
{
if (overlaps |= clusterObjectSeed.BoundingVolume.Intersects(box))
{
break;
}
}
if (!overlaps)
{
m_tmpClusterBoxes.Add(clusterObjectSeed.BoundingVolume);
GenerateObject(cell, clusterObjectSeed, ref index, random, densityFunctionFilled, densityFunctionRemoved);
}
}
}
m_tmpClusterBoxes.Clear();
break;
case MyObjectSeedType.Empty:
break;
default:
throw new InvalidBranchException();
break;
}
}
protected override MyProceduralCell GenerateProceduralCell(ref VRageMath.Vector3I cellId)
{
MyProceduralCell cell = new MyProceduralCell(cellId, this);
ProfilerShort.Begin("GenerateObjectSeedsCell");
IMyModule densityFunctionFilled = GetCellDensityFunctionFilled(cell.BoundingVolume);
if (densityFunctionFilled == null)
{
ProfilerShort.End();
return(null);
}
IMyModule densityFunctionRemoved = GetCellDensityFunctionRemoved(cell.BoundingVolume);
int cellSeed = GetCellSeed(ref cellId);
var random = MyRandom.Instance;
using (random.PushSeed(cellSeed))
{
int index = 0;
Vector3I subCellId = Vector3I.Zero;
Vector3I max = new Vector3I(SUBCELLS - 1);
for (var iter = new Vector3I.RangeIterator(ref Vector3I.Zero, ref max); iter.IsValid(); iter.GetNext(out subCellId))
{
// there is a bug in the position calculation which can very rarely cause overlaping objects but backwards compatibility so meh
Vector3D position = new Vector3D(random.NextDouble(), random.NextDouble(), random.NextDouble());
position += (Vector3D)subCellId / SUBCELL_SIZE;
position += cellId;
position *= CELL_SIZE;
if (!MyEntities.IsInsideWorld(position))
{
continue;
}
ProfilerShort.Begin("Density functions");
double valueRemoved = -1;
if (densityFunctionRemoved != null)
{
valueRemoved = densityFunctionRemoved.GetValue(position.X, position.Y, position.Z);
if (valueRemoved <= -1)
{
ProfilerShort.End();
continue;
}
}
var valueFilled = densityFunctionFilled.GetValue(position.X, position.Y, position.Z);
if (densityFunctionRemoved != null)
{
if (valueRemoved < valueFilled)
{
ProfilerShort.End();
continue;
}
}
ProfilerShort.End();
if (valueFilled < m_objectDensity) // -1..+1
{
var objectSeed = new MyObjectSeed(cell, position, GetObjectSize(random.NextDouble()));
objectSeed.Type = GetSeedType(random.NextDouble());
objectSeed.Seed = random.Next();
objectSeed.Index = index++;
GenerateObject(cell, objectSeed, ref index, random, densityFunctionFilled, densityFunctionRemoved);
}
}
}
ProfilerShort.End();
return(cell);
}
private void GenerateObject(MyProceduralCell cell, MyObjectSeed objectSeed, ref int index, MyRandom random, IMyModule densityFunctionFilled, IMyModule densityFunctionRemoved)
{
cell.AddObject(objectSeed);
switch (objectSeed.Type)
{
case MyObjectSeedType.Asteroid:
break;
case MyObjectSeedType.AsteroidCluster:
objectSeed.Type = MyObjectSeedType.Asteroid;
m_tmpClusterBoxes.Add(objectSeed.BoundingVolume);
for (int i = 0; i < OBJECT_MAX_IN_CLUSTER; ++i)
{
var direction = MyProceduralWorldGenerator.GetRandomDirection(random);
var size = GetClusterObjectSize(random.NextDouble());
var distance = MathHelper.Lerp(OBJECT_MIN_DISTANCE_CLUSTER, OBJECT_MAX_DISTANCE_CLUSTER, random.NextDouble());
var clusterObjectPosition = objectSeed.BoundingVolume.Center + direction * (size + objectSeed.BoundingVolume.HalfExtents.Length() * 2 + distance);
ProfilerShort.Begin("Density functions");
double valueRemoved = -1;
if (densityFunctionRemoved != null)
{
valueRemoved = densityFunctionRemoved.GetValue(clusterObjectPosition.X, clusterObjectPosition.Y, clusterObjectPosition.Z);
if (valueRemoved <= -1)
{
ProfilerShort.End();
continue;
}
}
var valueFilled = densityFunctionFilled.GetValue(clusterObjectPosition.X, clusterObjectPosition.Y, clusterObjectPosition.Z);
if (densityFunctionRemoved != null)
{
if (valueRemoved < valueFilled)
{
ProfilerShort.End();
continue;
}
}
ProfilerShort.End();
if (valueFilled < OBJECT_DENSITY_CLUSTER) // -1..+1
{
var clusterObjectSeed = new MyObjectSeed(cell, clusterObjectPosition, size);
clusterObjectSeed.Seed = random.Next();
clusterObjectSeed.Index = index++;
clusterObjectSeed.Type = GetClusterSeedType(random.NextDouble());
bool overlaps = false;
foreach (var box in m_tmpClusterBoxes)
{
if (overlaps |= clusterObjectSeed.BoundingVolume.Intersects(box))
{
break;
}
}
if (!overlaps)
{
m_tmpClusterBoxes.Add(clusterObjectSeed.BoundingVolume);
GenerateObject(cell, clusterObjectSeed, ref index, random, densityFunctionFilled, densityFunctionRemoved);
}
}
}
m_tmpClusterBoxes.Clear();
break;
case MyObjectSeedType.EncounterAlone:
case MyObjectSeedType.EncounterSingle:
case MyObjectSeedType.EncounterMulti:
break;
default:
throw new InvalidBranchException();
break;
}
}
public MyObjectSeed(MyProceduralCell cell, Vector3D position, double size)
{
Cell = cell;
Size = (float)size;
BoundingVolume = new BoundingBoxD(position - Size, position + Size);
}
private void GenerateObject(MyProceduralCell cell, MyObjectSeed objectSeed, ref int index, MyRandom random, IMyModule densityFunctionFilled, IMyModule densityFunctionRemoved)
{
cell.AddObject(objectSeed);
IMyAsteroidFieldDensityFunction func = objectSeed.UserData as IMyAsteroidFieldDensityFunction;
if (func != null)
{
ChildrenAddDensityFunctionRemoved(func);
}
switch (objectSeed.Params.Type)
{
case MyObjectSeedType.Moon:
break;
case MyObjectSeedType.Planet:
m_tmpClusterBoxes.Add(objectSeed.BoundingVolume);
for (int i = 0; i < MOONS_MAX; ++i)
{
var direction = MyProceduralWorldGenerator.GetRandomDirection(random);
var size = MathHelper.Lerp(MOON_SIZE_MIN, MOON_SIZE_MAX, random.NextDouble());
var distance = MathHelper.Lerp(MOON_DISTANCE_MIN, MOON_DISTANCE_MAX, random.NextDouble());
var position = objectSeed.BoundingVolume.Center + direction * (size + objectSeed.BoundingVolume.HalfExtents.Length() * 2 + distance);
ProfilerShort.Begin("GetValue");
var value = densityFunctionFilled.GetValue(position.X, position.Y, position.Z);
ProfilerShort.End();
if (value < MOON_DENSITY) // -1..+1
{
var clusterObjectSeed = new MyObjectSeed(cell, position, size);
clusterObjectSeed.Params.Seed = random.Next();
clusterObjectSeed.Params.Type = MyObjectSeedType.Moon;
clusterObjectSeed.Params.Index = index++;
clusterObjectSeed.UserData = new MySphereDensityFunction(position, MOON_SIZE_MAX / 2.0 * GRAVITY_SIZE_MULTIPLIER + FALLOFF, FALLOFF);
bool overlaps = false;
foreach (var box in m_tmpClusterBoxes)
{
if (overlaps |= clusterObjectSeed.BoundingVolume.Intersects(box))
{
break;
}
}
if (!overlaps)
{
m_tmpClusterBoxes.Add(clusterObjectSeed.BoundingVolume);
GenerateObject(cell, clusterObjectSeed, ref index, random, densityFunctionFilled, densityFunctionRemoved);
}
}
}
m_tmpClusterBoxes.Clear();
break;
case MyObjectSeedType.Empty:
break;
default:
throw new InvalidBranchException();
break;
}
}