private static void GenerateGrassFringe(RawPrimitive Into, VoxelHandle Voxel, Geo.TemplateFace Face, TerrainTileSheet TileSheet, SliceCache Cache, GrassType decalType)
{
for (var i = 0; i < 4; ++i)
{
Cache.EdgeFringeTempVerticies[i].Set = false;
}
if (Face.Edges != null)
{
for (var e = 0; e < Face.Edges.Length; ++e)
{
var fringeNeighbor = VoxelHelpers.GetNeighbor(Voxel, OrientationHelper.GetFaceNeighborOffset(Face.Edges[e].Orientation));
if (fringeNeighbor.IsValid)
{
if (fringeNeighbor.IsEmpty)
{
GenerateEdgeFringe(Into, Face, e, TileSheet, Cache, decalType, new Vector3(0.0f, -0.5f, 0.0f), 0.5f);
}
else
{
var above = VoxelHelpers.GetVoxelAbove(fringeNeighbor);
if (above.IsValid && !above.IsEmpty)
{
GenerateEdgeFringe(Into, Face, e, TileSheet, Cache, decalType, new Vector3(0.0f, 0.5f, 0.0f), -0.1f);
}
else if (fringeNeighbor.GrassType == 0 || (fringeNeighbor.GrassType != Voxel.GrassType && Library.GetGrassType(fringeNeighbor.GrassType).FringePrecedence < decalType.FringePrecedence))
{
GenerateEdgeFringe(Into, Face, e, TileSheet, Cache, decalType, new Vector3(0.0f, 0.2f, 0.0f), 0.5f);
}
}
}
}
}
if (Face.Corners != null)
{
for (var c = 0; c < Face.Corners.Length; ++c)
{
var cornerNeighbor = VoxelHelpers.GetNeighbor(Voxel, OrientationHelper.GetFaceNeighborOffset(Face.Edges[Face.Corners[c].EdgeA].Orientation) + OrientationHelper.GetFaceNeighborOffset(Face.Edges[Face.Corners[c].EdgeB].Orientation));
var manhattanA = VoxelHelpers.GetNeighbor(Voxel, OrientationHelper.GetFaceNeighborOffset(Face.Edges[Face.Corners[c].EdgeA].Orientation));
var manhattanB = VoxelHelpers.GetNeighbor(Voxel, OrientationHelper.GetFaceNeighborOffset(Face.Edges[Face.Corners[c].EdgeB].Orientation));
if (manhattanA.IsValid && !manhattanA.IsEmpty && manhattanA.GrassType == Voxel.GrassType)
{
continue;
}
if (manhattanB.IsValid && !manhattanB.IsEmpty && manhattanB.GrassType == Voxel.GrassType)
{
continue;
}
if (cornerNeighbor.IsValid)
{
if (cornerNeighbor.IsEmpty) // Todo: Do not generate fringe if horizontal neighbors are occupied.
// Todo: Also - needs to use corners set by edge fringe when they are at different heights. Maybe specify which edges the corner is in between?
{
GenerateHangingCornerFringe(Into, Face, TileSheet, Cache, decalType, Face.Corners[c], new Vector3(0.0f, -0.5f, 0.0f));
}
else
{
var above = VoxelHelpers.GetVoxelAbove(cornerNeighbor);
if (above.IsValid && !above.IsEmpty)
{
}
else if (cornerNeighbor.GrassType == 0 || (cornerNeighbor.GrassType != Voxel.GrassType && Library.GetGrassType(cornerNeighbor.GrassType).FringePrecedence < decalType.FringePrecedence))
{
GenerateHangingCornerFringe(Into, Face, TileSheet, Cache, decalType, Face.Corners[c], new Vector3(0.0f, 0.1f, 0.0f));
}
}
}
}
}
}
public static void GenerateSurfaceLife(VoxelChunk TopChunk, ChunkGeneratorSettings Settings)
{
var creatureCounts = new Dictionary <string, Dictionary <string, int> >();
var worldDepth = Settings.WorldSizeInChunks.Y * VoxelConstants.ChunkSizeY;
for (var x = TopChunk.Origin.X; x < TopChunk.Origin.X + VoxelConstants.ChunkSizeX; x++)
{
for (var z = TopChunk.Origin.Z; z < TopChunk.Origin.Z + VoxelConstants.ChunkSizeZ; z++)
{
var overworldPosition = OverworldMap.WorldToOverworld(new Vector2(x, z), Settings.Overworld.InstanceSettings.Origin);
if (Settings.Overworld.Map.GetBiomeAt(new Vector3(x, 0, z), Settings.Overworld.InstanceSettings.Origin).HasValue(out var biome))
{
var normalizedHeight = NormalizeHeight(Settings.Overworld.Map.LinearInterpolate(overworldPosition, OverworldField.Height));
var height = (int)MathFunctions.Clamp(normalizedHeight * worldDepth, 0.0f, worldDepth - 2);
var voxel = Settings.World.ChunkManager.CreateVoxelHandle(new GlobalVoxelCoordinate(x, height, z));
if (!voxel.IsValid ||
voxel.Coordinate.Y == 0 ||
voxel.Coordinate.Y >= worldDepth - Settings.TreeLine)
{
continue;
}
if (voxel.LiquidLevel != 0)
{
continue;
}
var above = VoxelHelpers.GetVoxelAbove(voxel);
if (above.IsValid && (above.LiquidLevel != 0 || !above.IsEmpty))
{
continue;
}
foreach (var animal in biome.Fauna)
{
if (MathFunctions.RandEvent(animal.SpawnProbability))
{
if (!creatureCounts.ContainsKey(biome.Name))
{
creatureCounts[biome.Name] = new Dictionary <string, int>();
}
var dict = creatureCounts[biome.Name];
if (!dict.ContainsKey(animal.Name))
{
dict[animal.Name] = 0;
}
if (dict[animal.Name] < animal.MaxPopulation)
{
EntityFactory.CreateEntity <GameComponent>(animal.Name,
voxel.WorldPosition + Vector3.Up * 1.5f);
}
break;
}
}
if (voxel.Type.Name != biome.SoilLayer.VoxelType)
{
continue;
}
foreach (VegetationData veg in biome.Vegetation)
{
if (voxel.GrassType == 0)
{
continue;
}
if (MathFunctions.RandEvent(veg.SpawnProbability) &&
Settings.NoiseGenerator.Noise(voxel.Coordinate.X / veg.ClumpSize,
veg.NoiseOffset, voxel.Coordinate.Z / veg.ClumpSize) >= veg.ClumpThreshold)
{
var treeSize = MathFunctions.Rand() * veg.SizeVariance + veg.MeanSize;
EntityFactory.CreateEntity <Plant>(veg.Name,
voxel.WorldPosition + new Vector3(0.5f, 1.0f, 0.5f),
Blackboard.Create("Scale", treeSize));
break;
}
}
}
}
}
}
private static void PrecomputeVoxelSlopes(ChunkManager Chunks, VoxelHandle V)
{
if (!V.IsValid)
{
return;
}
if (V.IsEmpty || !V.IsVisible || V.Type == null || !V.Type.CanRamp)
{
V.RampType = RampType.None;
return;
}
var vAbove = VoxelHelpers.GetVoxelAbove(V);
if (vAbove.IsValid && !vAbove.IsEmpty)
{
V.RampType = RampType.None;
return;
}
var compositeRamp = RampType.None;
foreach (var vertex in TopVerticies)
{
// If there are no empty neighbors, no slope.
// - Check manhattan neighbors - both full?
// then check if they can slope - if yes, and diagonal is empty, slope
// if not, then no slope
// if diagonal full - obviously no slope.
if (!VoxelHelpers.EnumerateVertexNeighbors2D(V.Coordinate, vertex) // Todo: Account for case where only open voxel is diagonal between two full ones
.Any(n =>
{
var handle = Chunks.CreateVoxelHandle(n);
if (handle.IsValid)
{
return(handle.IsEmpty);
}
return(false);
}))
{
continue;
}
switch (vertex)
{
case VoxelVertex.FrontTopLeft:
compositeRamp |= RampType.TopFrontLeft;
break;
case VoxelVertex.FrontTopRight:
compositeRamp |= RampType.TopFrontRight;
break;
case VoxelVertex.BackTopLeft:
compositeRamp |= RampType.TopBackLeft;
break;
case VoxelVertex.BackTopRight:
compositeRamp |= RampType.TopBackRight;
break;
}
}
V.RampType = compositeRamp;
}