public static void GenerateVoxelGeometry(
RawPrimitive Into,
VoxelHandle Voxel,
TerrainTileSheet TileSheet,
WorldManager World,
SliceCache Cache)
{
BuildDesignationGeometry(Into, Voxel, Cache, TileSheet, World);
if (Voxel.IsEmpty && Voxel.IsExplored)
{
return;
}
var templateSolid = TemplateSolidLibrary.GetTemplateSolid(Voxel.Type.TemplateSolid);
foreach (var face in templateSolid.Faces)
{
GenerateFaceGeometry(Into, Voxel, face, TileSheet, World, Cache);
}
}
private static bool IsFaceVisible(VoxelHandle voxel, VoxelHandle neighbor, Geo.TemplateFace face)
{
if (!voxel.IsValid)
{
return(false);
}
if (!neighbor.IsValid)
{
if (voxel.IsExplored)
{
return(!voxel.IsEmpty);
}
else
{
return(true);
}
}
else
{
if (!voxel.IsExplored)
{
if (!neighbor.IsVisible)
{
return(true);
}
if (neighbor.IsExplored && neighbor.IsEmpty)
{
return(true);
}
if (!neighbor.Type.CanRamp)
{
return(false);
}
if (neighbor.RampType == RampType.None)
{
return(false);
}
if (!IsSideFace(face))
{
return(false);
}
if (!neighbor.IsExplored)
{
return(false);
}
return(true);
}
else
{
if (neighbor.IsExplored && neighbor.IsEmpty)
{
return(true);
}
if (face.Orientation == FaceOrientation.Top && !neighbor.IsVisible)
{
return(true);
}
if (neighbor.Type.IsTransparent && !voxel.Type.IsTransparent)
{
return(true);
}
var neighborSideOrientation = OrientationHelper.GetOppositeFace(face.Orientation);
var neighborSolid = TemplateSolidLibrary.GetTemplateSolid(neighbor.Type.TemplateSolid);
var neighborSide = neighborSolid.Faces.FirstOrDefault(s => s.Orientation == neighborSideOrientation);
if (neighborSide == null)
{
return(true);
}
if (neighborSide.FaceShape == TemplateFaceShapes.LowerSlab && face.FaceShape != TemplateFaceShapes.LowerSlab)
{
return(true);
}
if (neighbor.Type.CanRamp &&
neighbor.RampType != RampType.None &&
IsSideFace(face) &&
ShouldDrawFace(face.Orientation, neighbor.RampType, voxel.RampType) &&
neighbor.IsExplored)
{
return(true);
}
return(false);
}
}
}
private static void BuildDesignationGeometry(
RawPrimitive Into,
VoxelHandle Voxel,
SliceCache Cache,
TerrainTileSheet TileSheet,
WorldManager World)
{
// Todo: Store designations per chunk.
foreach (var designation in World.PersistentData.Designations.EnumerateDesignations(Voxel).ToList())
{
if ((designation.Type & World.Renderer.PersistentSettings.VisibleTypes) != designation.Type) // If hidden by player, do not draw.
{
return;
}
var designationProperties = Library.GetDesignationTypeProperties(designation.Type).Value;
var designationVisible = false;
if (designationProperties.DrawType == DesignationDrawType.PreviewVoxel)
{
designationVisible = Voxel.Coordinate.Y < World.Renderer.PersistentSettings.MaxViewingLevel;
}
else
{
designationVisible = VoxelHelpers.DoesVoxelHaveVisibleSurface(World, Voxel);
}
if (designationVisible &&
Library.GetVoxelPrimitive(Library.DesignationVoxelType).HasValue(out BoxPrimitive designationPrimitive))
{
switch (designationProperties.DrawType)
{
case DesignationDrawType.FullBox:
{
var solid = TemplateSolidLibrary.GetTemplateSolid(Voxel.Type.TemplateSolid);
for (var f = 0; f < solid.Faces.Count; ++f)
{
var face = solid.Faces[f];
if (face.CullType == Geo.FaceCullType.Cull && !IsFaceVisible(Voxel, face, World.ChunkManager, out var neighbor))
{
continue;
}
PrepVerticies(World, Voxel, face, Cache, GetVoxelVertexExploredNeighbors(Voxel, face, Cache), TileSheet, new Point(0, 0), false, 0.02f);
SetVertexTint(Cache.FaceGeometry, designationProperties.Color);
AddQuad(Into, Cache.FaceGeometry, QuadIndicies);
}
}
break;
case DesignationDrawType.TopBox:
{
var solid = TemplateSolidLibrary.GetTemplateSolid(Voxel.Type.TemplateSolid);
for (var f = 0; f < solid.Faces.Count; ++f)
{
var face = solid.Faces[f];
if (face.Orientation != FaceOrientation.Top)
{
continue;
}
if (face.CullType == Geo.FaceCullType.Cull && !IsFaceVisible(Voxel, face, World.ChunkManager, out var neighbor))
{
continue;
}
PrepVerticies(World, Voxel, face, Cache, GetVoxelVertexExploredNeighbors(Voxel, face, Cache), TileSheet, new Point(0, 0), false, 0.02f);
SetVertexTint(Cache.FaceGeometry, designationProperties.Color);
AddQuad(Into, Cache.FaceGeometry, QuadIndicies);
}
}
break;
case DesignationDrawType.PreviewVoxel:
{
if (Library.GetVoxelType(designation.Tag.ToString()).HasValue(out VoxelType voxelType))
{
var solid = TemplateSolidLibrary.GetTemplateSolid(voxelType.TemplateSolid);
for (var f = 0; f < solid.Faces.Count; ++f)
{
var face = solid.Faces[f];
if (face.CullType == Geo.FaceCullType.Cull && !IsFaceVisible(Voxel, face, World.ChunkManager, out var neighbor))
{
continue;
}
PrepVerticies(World, Voxel, face, Cache, GetVoxelVertexExploredNeighbors(Voxel, face, Cache), TileSheet, SelectTile(voxelType, face.Orientation), false, 0.0f);
SetVertexTint(Cache.FaceGeometry, designationProperties.Color);
AddQuad(Into, Cache.FaceGeometry, QuadIndicies);
}
}
}
break;
}
}
}
}