private static int GetVoxelVertexExploredNeighbors(VoxelHandle V, Geo.TemplateFace Face, SliceCache Cache)
{
var exploredVerts = 0;
if (V.IsExplored)
{
exploredVerts = 4;
}
else
{
for (int faceVertex = 0; faceVertex < Face.Mesh.VertexCount; ++faceVertex)
{
var cacheKey = SliceCache.GetCacheKey(V, Face.Mesh.Verticies[faceVertex].LogicalVertex);
var anyNeighborExplored = true;
if (!Cache.ExploredCache.TryGetValue(cacheKey, out anyNeighborExplored))
{
anyNeighborExplored = VoxelHelpers.EnumerateVertexNeighbors2D(V.Coordinate, Face.Mesh.Verticies[faceVertex].LogicalVertex)
.Select(c => new VoxelHandle(V.Chunk.Manager, c))
.Any(n => n.IsValid && n.IsExplored);
Cache.ExploredCache.Add(cacheKey, anyNeighborExplored);
}
if (anyNeighborExplored)
{
exploredVerts += 1;
}
}
}
return(exploredVerts);
}
public static VertexColorInfo CalculateVertexLight(VoxelHandle Vox, VoxelVertex Vertex, ChunkManager Chunks, SliceCache Cache)
{
var r = new VertexColorInfo();
var cacheKey = SliceCache.GetCacheKey(Vox, Vertex);
if (!Cache.LightCache.TryGetValue(cacheKey, out r))
{
r = CalculateVertexLight(Vox, Vertex, Chunks);
Cache.LightCache.Add(cacheKey, r);
}
return(r);
}
private static void PrepVerticies(
WorldManager World,
VoxelHandle Voxel,
Geo.TemplateFace Face,
SliceCache Cache,
int ExploredVertexCount,
TerrainTileSheet TileSheet,
Point Tile,
bool ApplyLighting,
float explodeOffset)
{
for (var vertex = 0; vertex < Face.Mesh.VertexCount; ++vertex) // Blows up if face has more than 4 verticies.
{
var lighting = new VertexLighting.VertexColorInfo {
AmbientColor = 255, DynamicColor = 255, SunColor = 255
};
if (ApplyLighting)
{
lighting = VertexLighting.CalculateVertexLight(Voxel, Face.Mesh.Verticies[vertex].LogicalVertex, World.ChunkManager, Cache);
}
var slopeOffset = Vector3.Zero;
if (Face.Mesh.Verticies[vertex].ApplySlope && ShouldSlope(Face.Mesh.Verticies[vertex].LogicalVertex, Voxel))
{
slopeOffset = new Vector3(0.0f, -0.5f, 0.0f);
}
var voxelPosition = Face.Mesh.Verticies[vertex].Position + slopeOffset + Voxel.WorldPosition;
voxelPosition += VertexNoise.GetNoiseVectorFromRepeatingTexture(voxelPosition);
voxelPosition += explodeOffset * OrientationHelper.GetFaceNeighborOffset(Face.Orientation).AsVector3();
if (ExploredVertexCount == 0)
{
Cache.FaceGeometry[vertex] = new ExtendedVertex
{
Position = voxelPosition,
TextureCoordinate = TileSheet.MapTileUVs(Face.Mesh.Verticies[vertex].TextureCoordinate, BlackTile),
TextureBounds = TileSheet.GetTileBounds(BlackTile),
VertColor = new Color(0.0f, 0.0f, 0.0f, 1.0f),
Color = new Color(0.0f, 0.0f, 0.0f, 1.0f)
};
}
else
{
var anyNeighborExplored = true;
if (!Cache.ExploredCache.TryGetValue(SliceCache.GetCacheKey(Voxel, Face.Mesh.Verticies[vertex].LogicalVertex), out anyNeighborExplored))
{
anyNeighborExplored = true;
}
Cache.FaceGeometry[vertex] = new ExtendedVertex
{
Position = voxelPosition,
TextureCoordinate = TileSheet.MapTileUVs(Face.Mesh.Verticies[vertex].TextureCoordinate, Tile),
TextureBounds = TileSheet.GetTileBounds(Tile),
VertColor = anyNeighborExplored ? new Color(1.0f, 1.0f, 1.0f, 1.0f) : new Color(0.0f, 0.0f, 0.0f, 1.0f),
Color = lighting.AsColor()
};
}
}
}