public BoxPrimitive(GraphicsDevice device, float width, float height, float depth, BoxTextureCoords uvs)
{
Width = width;
Height = height;
Depth = depth;
Deltas = new VoxelVertex[NumVertices];
UVs = uvs;
CreateVerticies();
BoundingBox = new BoundingBox(new Vector3(0.0f, 0.0f, 0.0f), new Vector3(width, height, depth));
for (int i = 0; i < NumVertices; i++)
{
Deltas[i] = VoxelChunk.GetNearestDelta(Vertices[i].Position);
}
}
public void InitializeFromChunk(VoxelChunk chunk, GraphicsDevice graphics)
{
if (chunk == null)
{
return;
}
rebuildMutex.WaitOne();
if (isRebuilding)
{
rebuildMutex.ReleaseMutex();
return;
}
isRebuilding = true;
rebuildMutex.ReleaseMutex();
accumulatedVertices.Clear();
accumulatedIndices.Clear();
faceExists.Clear();
drawFace.Clear();
Voxel v = chunk.MakeVoxel(0, 0, 0);
Voxel voxelOnFace = chunk.MakeVoxel(0, 0, 0);
Voxel[] manhattanNeighbors = new Voxel[4];
for (int x = 0; x < chunk.SizeX; x++)
{
for (int y = 0; y < Math.Min(chunk.Manager.ChunkData.MaxViewingLevel + 1, chunk.SizeY); y++)
{
for (int z = 0; z < chunk.SizeZ; z++)
{
v.GridPosition = new Vector3(x, y, z);
if (v.IsEmpty || !v.IsVisible)
{
continue;
}
BoxPrimitive primitive = VoxelLibrary.GetPrimitive(v.Type);
if (primitive == null)
{
continue;
}
BoxPrimitive.BoxTextureCoords uvs = primitive.UVs;
if (v.Type.HasTransitionTextures)
{
uvs = v.ComputeTransitionTexture(manhattanNeighbors);
}
Voxel worldVoxel = new Voxel();
for (int i = 0; i < 6; i++)
{
BoxFace face = (BoxFace)i;
Vector3 delta = FaceDeltas[face];
faceExists[face] = chunk.IsCellValid(x + (int)delta.X, y + (int)delta.Y, z + (int)delta.Z);
drawFace[face] = true;
if (faceExists[face])
{
voxelOnFace.GridPosition = new Vector3(x + (int)delta.X, y + (int)delta.Y, z + (int)delta.Z);
drawFace[face] = voxelOnFace.IsEmpty || !voxelOnFace.IsVisible || (voxelOnFace.Type.CanRamp && voxelOnFace.RampType != RampType.None && IsSideFace(face) && ShouldDrawFace(face, voxelOnFace.RampType, v.RampType));
}
else
{
bool success = chunk.Manager.ChunkData.GetNonNullVoxelAtWorldLocation(new Vector3(x + (int)delta.X, y + (int)delta.Y, z + (int)delta.Z) + chunk.Origin, ref worldVoxel);
drawFace[face] = !success || worldVoxel.IsEmpty || !worldVoxel.IsVisible || (worldVoxel.Type.CanRamp && worldVoxel.RampType != RampType.None && IsSideFace(face) && ShouldDrawFace(face, worldVoxel.RampType, v.RampType));
}
}
for (int i = 0; i < 6; i++)
{
BoxFace face = (BoxFace)i;
if (!drawFace[face])
{
continue;
}
int faceIndex = 0;
int faceCount = 0;
int vertexIndex = 0;
int vertexCount = 0;
primitive.GetFace(face, uvs, out faceIndex, out faceCount, out vertexIndex, out vertexCount);
Vector2 texScale = uvs.Scales[i];
int indexOffset = accumulatedVertices.Count;
for (int vertOffset = 0; vertOffset < vertexCount; vertOffset++)
{
ExtendedVertex vert = primitive.Vertices[vertOffset + vertexIndex];
VoxelVertex bestKey = VoxelChunk.GetNearestDelta(vert.Position);
Color color = v.Chunk.Data.GetColor(x, y, z, bestKey);
Vector3 offset = Vector3.Zero;
Vector2 texOffset = Vector2.Zero;
if (v.Type.CanRamp && ShouldRamp(bestKey, v.RampType))
{
offset = new Vector3(0, -v.Type.RampSize, 0);
if (face != BoxFace.Top && face != BoxFace.Bottom)
{
texOffset = new Vector2(0, v.Type.RampSize * (texScale.Y));
}
}
ExtendedVertex newVertex = new ExtendedVertex((vert.Position + v.Position + VertexNoise.GetNoiseVectorFromRepeatingTexture(vert.Position + v.Position) + offset),
color,
uvs.Uvs[vertOffset + vertexIndex] + texOffset, uvs.Bounds[faceIndex / 6]);
accumulatedVertices.Add(newVertex);
}
for (int idx = faceIndex; idx < faceCount + faceIndex; idx++)
{
int vertexOffset = primitive.Indices[idx];
accumulatedIndices.Add((short)(indexOffset + (vertexOffset - primitive.Indices[faceIndex])));
}
}
}
}
}
Vertices = new ExtendedVertex[accumulatedVertices.Count];
accumulatedVertices.CopyTo(Vertices);
IndexBuffer = new IndexBuffer(graphics, typeof(short), accumulatedIndices.Count, BufferUsage.WriteOnly);
IndexBuffer.SetData(accumulatedIndices.ToArray());
ResetBuffer(graphics);
isRebuilding = false;
//chunk.PrimitiveMutex.WaitOne();
chunk.NewPrimitive = this;
chunk.NewPrimitiveReceived = true;
//chunk.PrimitiveMutex.ReleaseMutex();
}
private static IEnumerable <ExtendedVertex> CreateWaterFace(Voxel voxel, BoxFace face, VoxelChunk chunk, int x, int y, int z, int totalDepth, bool top)
{
List <ExtendedVertex> toReturn = new List <ExtendedVertex>();
int idx = 0;
int c = 0;
int vertOffset = 0;
int numVerts = 0;
m_canconicalPrimitive.GetFace(face, m_canconicalPrimitive.UVs, out idx, out c, out vertOffset, out numVerts);
for (int i = idx; i < idx + c; i++)
{
toReturn.Add(m_canconicalPrimitive.Vertices[m_canconicalPrimitive.Indices[i]]);
}
Vector3 origin = chunk.Origin + new Vector3(x, y, z);
List <Voxel> neighborsVertex = new List <Voxel>();
for (int i = 0; i < toReturn.Count; i++)
{
VoxelVertex currentVertex = VoxelChunk.GetNearestDelta(toReturn[i].Position);
chunk.GetNeighborsVertex(currentVertex, voxel, neighborsVertex);
int index = chunk.Data.IndexAt(x, y, z);
float averageWaterLevel = chunk.Data.Water[index].WaterLevel;
float count = 1.0f;
float emptyNeighbors = 0.0f;
foreach (byte level in neighborsVertex.Select(vox => vox.WaterLevel))
{
averageWaterLevel += level;
count++;
if (level < 1)
{
emptyNeighbors++;
}
}
averageWaterLevel = averageWaterLevel / count;
float averageWaterHeight = (float)averageWaterLevel / 255.0f;
float puddleness = 0;
Vector2 uv;
float foaminess = emptyNeighbors / count;
if (foaminess <= 0.5f)
{
foaminess = 0.0f;
}
if (totalDepth < 5)
{
foaminess = 0.75f;
puddleness = 0;
uv = new Vector2((toReturn[i].Position.X + origin.X) / 80.0f, (toReturn[i].Position.Z + origin.Z) / 80.0f);
}
else
{
uv = new Vector2((toReturn[i].Position.X + origin.X) / 80.0f, (toReturn[i].Position.Z + origin.Z) / 80.0f);
}
Vector4 bounds = new Vector4(0, 0, 1, 1);
if (chunk.Data.Water[index].IsFalling || !top)
{
averageWaterHeight = 1.0f;
}
if (face == BoxFace.Top)
{
toReturn[i] = new ExtendedVertex(toReturn[i].Position + origin + new Vector3(0, (averageWaterHeight * 0.4f - 1.0f), 0),
new Color(foaminess, puddleness, (float)totalDepth / 512.0f, 1.0f),
Color.White,
uv, bounds);
}
else
{
Vector3 offset = Vector3.Zero;
switch (face)
{
case BoxFace.Back:
case BoxFace.Front:
uv = new Vector2((Math.Abs(toReturn[i].Position.X + origin.X) / 80.0f), (Math.Abs(toReturn[i].Position.Y + origin.Y) / 80.0f));
foaminess = 1.0f;
offset = new Vector3(0, -0.5f, 0);
break;
case BoxFace.Right:
case BoxFace.Left:
uv = new Vector2((Math.Abs(toReturn[i].Position.Z + origin.Z) / 80.0f), (Math.Abs(toReturn[i].Position.Y + origin.Y) / 80.0f));
foaminess = 1.0f;
offset = new Vector3(0, -0.5f, 0);
break;
case BoxFace.Top:
offset = new Vector3(0, -0.5f, 0);
break;
}
toReturn[i] = new ExtendedVertex(toReturn[i].Position + origin + offset, new Color(foaminess, 0.0f, 1.0f, 1.0f), Color.White, uv, bounds);
}
}
return(toReturn);
}
private static void CreateWaterFace(Voxel voxel,
BoxFace face,
VoxelChunk chunk,
int x, int y, int z,
bool top,
ExtendedVertex[] vertices,
int startVertex)
{
int idx = 0;
int vertexCount = 0;
int vertOffset = 0;
int numVerts = 0;
primitive.GetFace(face, primitive.UVs, out idx, out vertexCount, out vertOffset, out numVerts);
for (int i = idx; i < idx + vertexCount; i++)
{
vertices[i + startVertex - idx] = primitive.Vertices[primitive.Indexes[i]];
}
Vector3 origin = chunk.Origin + new Vector3(x, y, z);
List <Voxel> neighborsVertex = new List <Voxel>();
for (int i = 0; i < vertexCount; i++)
{
VoxelVertex currentVertex = VoxelChunk.GetNearestDelta(vertices[i + startVertex].Position);
chunk.GetNeighborsVertex(currentVertex, voxel, neighborsVertex);
int index = chunk.Data.IndexAt(x, y, z);
float averageWaterLevel = chunk.Data.Water[index].WaterLevel;
float count = 1.0f;
float emptyNeighbors = 0.0f;
foreach (byte level in neighborsVertex.Select(vox => vox.WaterLevel))
{
averageWaterLevel += level;
count++;
if (level < 1)
{
emptyNeighbors++;
}
}
averageWaterLevel = averageWaterLevel / count;
float averageWaterHeight = (float)averageWaterLevel / 8.0f;
float foaminess = emptyNeighbors / count;
if (foaminess <= 0.5f)
{
foaminess = 0.0f;
}
/*
* if(chunk.Data.Water[index].IsFalling || !top)
* {
* averageWaterHeight = 1.0f;
* }
*/
Vector3 pos = vertices[i + startVertex].Position;
pos.Y *= averageWaterHeight;
pos += origin;
switch (face)
{
case BoxFace.Back:
case BoxFace.Front:
vertices[i + startVertex].Set(pos,
new Color(foaminess, 0.0f, 1.0f, 1.0f),
Color.White,
new Vector2(pos.X, pos.Y),
new Vector4(0, 0, 1, 1));
break;
case BoxFace.Right:
case BoxFace.Left:
vertices[i + startVertex].Set(pos,
new Color(foaminess, 0.0f, 1.0f, 1.0f),
Color.White,
new Vector2(pos.Z, pos.Y),
new Vector4(0, 0, 1, 1));
break;
case BoxFace.Top:
vertices[i + startVertex].Set(pos,
new Color(foaminess, 0.0f, 1.0f, 1.0f),
Color.White,
new Vector2(pos.X, pos.Z),
new Vector4(0, 0, 1, 1));
break;
}
}
}
