public static bool CanPlace(WorldManager World, RailEntity PreviewEntity)
{
// Todo: Make sure this uses BuildObjectTool.IsValidPlacement to enforce building rules.
var junctionPiece = PreviewEntity.GetPiece();
var actualPosition = PreviewEntity.GetContainingVoxel();
if (!actualPosition.IsValid)
{
return(false);
}
if (!actualPosition.IsEmpty)
{
return(false);
}
if (actualPosition.Coordinate.Y == 0)
{
return(false); // ???
}
var voxelUnder = VoxelHelpers.GetVoxelBelow(actualPosition);
if (voxelUnder.IsEmpty)
{
return(false);
}
var box = actualPosition.GetBoundingBox().Expand(-0.2f);
foreach (var entity in World.EnumerateIntersectingObjects(box, CollisionType.Static))
{
if ((entity as GameComponent).IsDead)
{
continue;
}
if (Object.ReferenceEquals(entity, PreviewEntity))
{
continue;
}
if (Object.ReferenceEquals(entity.GetRoot(), PreviewEntity.GetRoot()))
{
continue;
}
if (entity is GenericVoxelListener)
{
continue;
}
if (entity is WorkPile)
{
continue;
}
if (entity is Health)
{
continue;
}
if (entity is CraftDetails)
{
continue;
}
if (entity is SimpleSprite)
{
continue;
}
if (FindPossibleCombination(junctionPiece, entity).HasValue(out var possibleCombination))
{
var combinedPiece = new Rail.JunctionPiece
{
RailPiece = possibleCombination.Result,
Orientation = Rail.OrientationHelper.Rotate((entity as RailEntity).GetPiece().Orientation, (int)possibleCombination.ResultRelativeOrientation),
};
PreviewEntity.UpdatePiece(combinedPiece, PreviewEntity.GetContainingVoxel());
return(true);
}
if (Debugger.Switches.DrawToolDebugInfo)
{
Drawer3D.DrawBox(box, Color.Yellow, 0.2f, false);
}
World.UserInterface.ShowTooltip(String.Format("Can't place {0}. Entity in the way: {1}", junctionPiece.RailPiece, entity.ToString()));
return(false);
}
return(true);
}
public static void GenerateCaves(VoxelChunk Chunk, ChunkGeneratorSettings Settings)
{
if (Library.GetBiome("Cave").HasValue(out BiomeData caveBiome) && Library.GetBiome("Hell").HasValue(out BiomeData hellBiome))
{
for (int x = 0; x < VoxelConstants.ChunkSizeX; x++)
{
for (int z = 0; z < VoxelConstants.ChunkSizeZ; z++)
{
for (int i = 0; i < Settings.CaveLevels.Count; i++)
{
// Does layer intersect this voxel?
int y = Settings.CaveLevels[i];
if (y + Settings.MaxCaveHeight < Chunk.Origin.Y)
{
continue;
}
if (y >= Chunk.Origin.Y + VoxelConstants.ChunkSizeY)
{
continue;
}
var coordinate = new GlobalVoxelCoordinate(Chunk.Origin.X + x, y, Chunk.Origin.Z + z);
var data = GetCaveGenerationData(coordinate, i, Settings);
var biome = (y <= Settings.HellLevel) ? hellBiome : caveBiome;
if (!data.CaveHere)
{
continue;
}
for (int dy = 0; dy < data.Height; dy++)
{
var globalY = y + dy;
// Prevent caves punching holes in bedrock.
if (globalY <= 0)
{
continue;
}
// Check if voxel is inside chunk.
if (globalY <= 0 || globalY < Chunk.Origin.Y || globalY >= Chunk.Origin.Y + VoxelConstants.ChunkSizeY)
{
continue;
}
var voxel = VoxelHandle.UnsafeCreateLocalHandle(Chunk, new LocalVoxelCoordinate(x, globalY - Chunk.Origin.Y, z));
// Prevent caves from breaking surface.
bool caveBreaksSurface = false;
foreach (var neighborCoordinate in VoxelHelpers.EnumerateAllNeighbors(voxel.Coordinate))
{
var v = Chunk.Manager.CreateVoxelHandle(neighborCoordinate);
if (!v.IsValid || (v.Sunlight))
{
caveBreaksSurface = true;
break;
}
}
if (caveBreaksSurface)
{
break;
}
voxel.RawSetType(Library.EmptyVoxelType);
if (dy == 0)
{
// Place soil voxel and grass below cave.
var below = VoxelHelpers.GetVoxelBelow(voxel);
if (below.IsValid)
{
below.RawSetType(Library.GetVoxelType(biome.SoilLayer.VoxelType));
var grassType = Library.GetGrassType(biome.GrassDecal);
if (grassType != null)
{
below.RawSetGrass(grassType.ID);
}
}
// Spawn flora and fauna.
if (data.Noise > Settings.CaveSize * 1.8f && globalY > Settings.LavaLevel)
{
GenerateCaveFlora(below, biome, Settings);
GenerateCaveFauna(below, biome, Settings);
}
}
}
}
}
}
}
}