public void RebuildVertices(CubeVertex[] buffer, GraphicsDevice graphics, CubeStorage store, int yChange)
{
//ChunkMesh currentMesh;
for (int i = 0; i < Meshes.Count; i++)
{
}
}
public void PropagateSun(CubeStorage store)
{
int maxIndex = HEIGHT-1;
int sun;
int posXsun;
int negXsun;
int posZsun;
int negZsun;
int attenuated;
Cube curr;
int startX = WIDTH * Coords.X;
int startZ = WIDTH * Coords.Z;
//SEED sunlight in the top layer
for (int x = startX; x < startX + WIDTH; x++)
{
for (int z = startZ; z < startZ + WIDTH; z++)
{
store.SetSunlight(x, maxIndex, z, 15);
}
}
maxIndex = WIDTH-1;
for (int y = HEIGHT - 2; y >= 0; y--)
{
for (int x = startX; x < startX + WIDTH; x++)
{
for (int z = startZ; z < startZ + WIDTH; z++)
{
store.GetCube(x, y, z, out curr);
if (!curr.IsTransparent) continue;
sun = store.GetSunlight(x, y + 1, z);
posXsun = store.GetSunlight(x + 1, y, z) - 1;
if (sun < posXsun) sun = posXsun;
negXsun = store.GetSunlight(x - 1, y, z) - 1;
if (sun < negXsun) sun = negXsun;
posZsun = store.GetSunlight(x, y, z + 1) - 1;
if (sun < posZsun) sun = posZsun;
negZsun = store.GetSunlight(x, y, z - 1) - 1;
if (sun < negZsun) sun = negZsun;
if (sun > curr.SunLight) store.SetSunlight(x, y, z, sun);
attenuated = sun-1;
if (posXsun + 1 < attenuated && x == startX + maxIndex) store.SetSunlight(x + 1, y, z, attenuated);
else if (negXsun + 1 < attenuated && x == startX) store.SetSunlight(x - 1, y, z, attenuated);
if (posZsun + 1 < attenuated && z == startZ + maxIndex) store.SetSunlight(x, y, z + 1, attenuated);
else if (negZsun + 1 < attenuated && z == startZ) store.SetSunlight(x, y, z - 1, attenuated);
}
}
}
}
public void BuildVertices(CubeVertex[] buffer, GraphicsDevice graphics, CubeStorage store)
{
ChunkMesh currentMesh;
int i = 0;
while (i < HEIGHT)
{
currentMesh = new ChunkMesh(i, ref Position);
currentMesh.BuildVertices(buffer, graphics, this, store);
if(!currentMesh.Empty) Meshes.Add(currentMesh);
i += Chunk.WIDTH;
}
}
public ChunkManager(Game game, ChunkCoordinate chunkPlayerIsIn, Vector3 positionInChunk, bool useThreading)
{
_graphics = game.GraphicsDevice;
ChunkRenderer = new ChunkMeshRenderer(game);
UseThreading = useThreading;
int width = 1;
while (width < 2*CHUNK_LOAD_DIST) width *= 2;
ChunkStorage = new ChunkStorage(width);
//WARN: When load dist is a power of 2 queue chunks infinitely adds delegates to the ChunkStateChange event resulting in an eventual
//out of memory exception.
CHUNK_LOAD_DIST = width / 2-1;
CHUNK_LIGHT_DIST = CHUNK_LOAD_DIST;// -1;
CHUNK_BUILD_DIST = CHUNK_LIGHT_DIST;// -1;
width *= Chunk.WIDTH;
CubeStorage = new CubeStorage(width, Chunk.HEIGHT, width);
_loadQueue = new ConcurrentSerialQueue<Chunk>();
_vertexBuffer = new CubeVertex[1000];
LightQueue = new ConcurrentSerialQueue<Chunk>();
BuildQueue = new ConcurrentSerialQueue<Chunk>();
RebuildQueue = new Queue<Chunk>();
UnloadQueue = new ConcurrentSerialQueue<Chunk>();
DrawList = new List<Chunk>();
_timeSinceQueue = TIME_BETWEEN_QUEUES;
_timeSinceLoad = TIME_BETWEEN_LOADS;
_timeSinceLight = TIME_BETWEEN_LIGHTS * 0.5f;
_timeSinceBuild = 0.0f;
_running = true;
_running = true;
_running = true;
_running = true;
watch1 = new Stopwatch();
watch2 = new Stopwatch();
Thread thread = new Thread(LoadChunks);
thread.IsBackground = true;
thread.SetApartmentState(ApartmentState.MTA);
thread.Name = "LoadThread1";
thread.Priority = ThreadPriority.Lowest;
thread.Start();
//thread = new Thread(LoadChunks);
//thread.IsBackground = true;
//thread.SetApartmentState(ApartmentState.MTA);
//thread.Name = "LoadThread2";
//thread.Priority = ThreadPriority.Lowest;
//thread.Start();
thread = new Thread(LightChunks);
thread.IsBackground = true;
thread.SetApartmentState(ApartmentState.MTA);
thread.Name = "LightThread";
thread.Priority = ThreadPriority.Lowest;
thread.Start();
thread = new Thread(BuildChunkVertices);
thread.IsBackground = true;
thread.SetApartmentState(ApartmentState.MTA);
thread.Name = "BuildThread";
thread.Priority = ThreadPriority.Lowest;
thread.Start();
//Initialize chunk loading.
positionInChunk = -positionInChunk;
Chunk seed = new Chunk(this, ref chunkPlayerIsIn, ref positionInChunk);
_loadQueue.TryAdd(seed);
ChunkStorage.Store(seed, this);
}
public void BuildVertices(CubeVertex[] vertexBuffer, GraphicsDevice graphics, Chunk parent, CubeStorage store)
{
if (SideCountNeeded) CollectSubmeshStats(parent, store);
if (vertexBuffer.Length < SidesRenderable * 6f) vertexBuffer = new CubeVertex[(int)(SidesRenderable * 6.1f)];
Cube current;
Cube n0;
Cube n1;
Cube n2;
Cube n3;
Cube n4;
Cube n5;
Cube n6;
Cube n7;
Cube n8;
Vector3 offset;
Vector3 posNNN;
Vector3 posNNP;
Vector3 posNPN;
Vector3 posNPP;
Vector3 posPNN;
Vector3 posPNP;
Vector3 posPPN;
Vector3 posPPP;
int ind = 0;
int worldX = 0;
int worldZ = 0;
int reg=0;
//int vert1light = 0;
//int vert2light = 0;
//int vert3light = 0;
//int vert4light = 0;
int maxY = Chunk.HEIGHT - 1;
for (int x = 0; x < Chunk.WIDTH; x++)
{
worldX = x + parent.Coords.X * Chunk.WIDTH;
for (int z = 0; z < Chunk.WIDTH; z++)
{
worldZ = z + parent.Coords.Z * Chunk.WIDTH;
for (int y = _yStartIndex; y <= _yEndIndex; y++)
{
store.GetCube(worldX, y, worldZ, out current);
//log.Write("worldCoords", "{" + worldX.ToString() + "," + y.ToString() + "," + worldZ.ToString() + "}", "");
if (!current.IsRenderable) continue;
offset.X = x;
offset.Y = y - _yStartIndex;
offset.Z = z;
Vector3.Add(ref CubeVertex.CORNER_NNN, ref offset, out posNNN);
Vector3.Add(ref CubeVertex.CORNER_NNP, ref offset, out posNNP);
Vector3.Add(ref CubeVertex.CORNER_NPN, ref offset, out posNPN);
Vector3.Add(ref CubeVertex.CORNER_NPP, ref offset, out posNPP);
Vector3.Add(ref CubeVertex.CORNER_PNN, ref offset, out posPNN);
Vector3.Add(ref CubeVertex.CORNER_PNP, ref offset, out posPNP);
Vector3.Add(ref CubeVertex.CORNER_PPN, ref offset, out posPPN);
Vector3.Add(ref CubeVertex.CORNER_PPP, ref offset, out posPPP);
//-x
reg = worldX - 1;
store.GetCube(reg, y, worldZ, out n0);
if (n0.IsTransparent)
{
store.CheckYGetCube(reg, y + 1, worldZ, out n1);
store.CheckYGetCube(reg, y + 1, worldZ + 1, out n2);
store.GetCube(reg, y, worldZ + 1, out n3);
store.CheckYGetCube(reg, y - 1, worldZ + 1, out n4);
store.CheckYGetCube(reg, y - 1, worldZ, out n5);
store.CheckYGetCube(reg, y - 1, worldZ - 1, out n6);
store.GetCube(reg, y, worldZ - 1, out n7);
store.CheckYGetCube(reg, y + 1, worldZ - 1, out n8);
vertexBuffer[ind++] = new CubeVertex(ref posNPN, ref CubeVertex.N_NEG_X, ref CubeVertex.TC00, ref current, ref n0, ref n1, ref n7, ref n8);
vertexBuffer[ind++] = new CubeVertex(ref posNPP, ref CubeVertex.N_NEG_X, ref CubeVertex.TC10, ref current, ref n0, ref n1, ref n2, ref n3);
vertexBuffer[ind++] = new CubeVertex(ref posNNN, ref CubeVertex.N_NEG_X, ref CubeVertex.TC01, ref current, ref n0, ref n5, ref n6, ref n7);
vertexBuffer[ind++] = new CubeVertex(ref posNNN, ref CubeVertex.N_NEG_X, ref CubeVertex.TC01, ref current, ref n0, ref n5, ref n6, ref n7);
vertexBuffer[ind++] = new CubeVertex(ref posNPP, ref CubeVertex.N_NEG_X, ref CubeVertex.TC10, ref current, ref n0, ref n1, ref n2, ref n3);
vertexBuffer[ind++] = new CubeVertex(ref posNNP, ref CubeVertex.N_NEG_X, ref CubeVertex.TC11, ref current, ref n0, ref n3, ref n4, ref n5);
}
//+x
reg = worldX + 1;
store.GetCube(reg, y, worldZ, out n0);
if (n0.IsTransparent)
{
store.CheckYGetCube(reg, y + 1, worldZ, out n1);
store.CheckYGetCube(reg, y + 1, worldZ + 1, out n2);
store.GetCube(reg, y, worldZ + 1, out n3);
store.CheckYGetCube(reg, y - 1, worldZ + 1, out n4);
store.CheckYGetCube(reg, y - 1, worldZ, out n5);
store.CheckYGetCube(reg, y - 1, worldZ - 1, out n6);
store.GetCube(reg, y, worldZ - 1, out n7);
store.CheckYGetCube(reg, y + 1, worldZ - 1, out n8);
vertexBuffer[ind++] = new CubeVertex(ref posPPP, ref CubeVertex.N_POS_X, ref CubeVertex.TC00, ref current, ref n0, ref n1, ref n2, ref n3);
vertexBuffer[ind++] = new CubeVertex(ref posPPN, ref CubeVertex.N_POS_X, ref CubeVertex.TC10, ref current, ref n0, ref n1, ref n7, ref n8);
vertexBuffer[ind++] = new CubeVertex(ref posPNP, ref CubeVertex.N_POS_X, ref CubeVertex.TC01, ref current, ref n0, ref n3, ref n4, ref n5);
vertexBuffer[ind++] = new CubeVertex(ref posPNP, ref CubeVertex.N_POS_X, ref CubeVertex.TC01, ref current, ref n0, ref n3, ref n4, ref n5);
vertexBuffer[ind++] = new CubeVertex(ref posPPN, ref CubeVertex.N_POS_X, ref CubeVertex.TC10, ref current, ref n0, ref n1, ref n7, ref n8);
vertexBuffer[ind++] = new CubeVertex(ref posPNN, ref CubeVertex.N_POS_X, ref CubeVertex.TC11, ref current, ref n0, ref n5, ref n6, ref n7);
}
//-y
reg = y - 1;
if (y != 0) store.GetCube(worldX, reg, worldZ, out n0);
else n0 = Cube.NULL;
if (n0.IsTransparent && n0.Material != CubeMaterial.None)
{
store.GetCube(worldX + 1, reg, worldZ, out n1);
store.GetCube(worldX + 1, reg, worldZ + 1, out n2);
store.GetCube(worldX, reg, worldZ + 1, out n3);
store.GetCube(worldX - 1, reg, worldZ + 1, out n4);
store.GetCube(worldX - 1, reg, worldZ, out n5);
store.GetCube(worldX - 1, reg, worldZ - 1, out n6);
store.GetCube(worldX, reg, worldZ - 1, out n7);
store.GetCube(worldX + 1, reg, worldZ - 1, out n8);
vertexBuffer[ind++] = new CubeVertex(ref posNNP, ref CubeVertex.N_NEG_Y, ref CubeVertex.TC00, ref current, ref n0, ref n3, ref n4, ref n5);
vertexBuffer[ind++] = new CubeVertex(ref posPNP, ref CubeVertex.N_NEG_Y, ref CubeVertex.TC10, ref current, ref n0, ref n1, ref n2, ref n3);
vertexBuffer[ind++] = new CubeVertex(ref posNNN, ref CubeVertex.N_NEG_Y, ref CubeVertex.TC01, ref current, ref n0, ref n5, ref n6, ref n7);
vertexBuffer[ind++] = new CubeVertex(ref posNNN, ref CubeVertex.N_NEG_Y, ref CubeVertex.TC01, ref current, ref n0, ref n5, ref n6, ref n7);
vertexBuffer[ind++] = new CubeVertex(ref posPNP, ref CubeVertex.N_NEG_Y, ref CubeVertex.TC10, ref current, ref n0, ref n1, ref n2, ref n3);
vertexBuffer[ind++] = new CubeVertex(ref posPNN, ref CubeVertex.N_NEG_Y, ref CubeVertex.TC11, ref current, ref n0, ref n1, ref n7, ref n8);
}
//+y
reg = y + 1;
if (y != maxY) store.GetCube(worldX, reg, worldZ, out n0);
else n0 = Cube.NULL;
if (n0.IsTransparent && n0.Material != CubeMaterial.None)
{
store.GetCube(worldX + 1, reg, worldZ, out n1);
store.GetCube(worldX + 1, reg, worldZ + 1, out n2);
store.GetCube(worldX, reg, worldZ + 1, out n3);
store.GetCube(worldX - 1, reg, worldZ + 1, out n4);
store.GetCube(worldX - 1, reg, worldZ, out n5);
store.GetCube(worldX - 1, reg, worldZ - 1, out n6);
store.GetCube(worldX, reg, worldZ - 1, out n7);
store.GetCube(worldX + 1, reg, worldZ - 1, out n8);
vertexBuffer[ind++] = new CubeVertex(ref posNPN, ref CubeVertex.N_POS_Y, ref CubeVertex.TC00, ref current, ref n0, ref n5, ref n6, ref n7);
vertexBuffer[ind++] = new CubeVertex(ref posPPN, ref CubeVertex.N_POS_Y, ref CubeVertex.TC10, ref current, ref n0, ref n1, ref n7, ref n8);
vertexBuffer[ind++] = new CubeVertex(ref posNPP, ref CubeVertex.N_POS_Y, ref CubeVertex.TC01, ref current, ref n0, ref n3, ref n4, ref n5);
vertexBuffer[ind++] = new CubeVertex(ref posNPP, ref CubeVertex.N_POS_Y, ref CubeVertex.TC01, ref current, ref n0, ref n3, ref n4, ref n5);
vertexBuffer[ind++] = new CubeVertex(ref posPPN, ref CubeVertex.N_POS_Y, ref CubeVertex.TC10, ref current, ref n0, ref n1, ref n7, ref n8);
vertexBuffer[ind++] = new CubeVertex(ref posPPP, ref CubeVertex.N_POS_Y, ref CubeVertex.TC11, ref current, ref n0, ref n1, ref n2, ref n3);
}
//-z
reg = worldZ - 1;
store.GetCube(worldX, y, reg, out n0);
if (n0.IsTransparent)
{
store.GetCube(worldX + 1, y, reg, out n1);
store.CheckYGetCube(worldX + 1, y + 1, reg, out n2);
store.CheckYGetCube(worldX, y + 1, reg, out n3);
store.CheckYGetCube(worldX - 1, y + 1, reg, out n4);
store.GetCube(worldX - 1, y, reg, out n5);
store.CheckYGetCube(worldX - 1, y - 1, reg, out n6);
store.CheckYGetCube(worldX, y - 1, reg, out n7);
store.CheckYGetCube(worldX + 1, y - 1, reg, out n8);
vertexBuffer[ind++] = new CubeVertex(ref posPPN, ref CubeVertex.N_NEG_Z, ref CubeVertex.TC00, ref current, ref n0, ref n1, ref n2, ref n3);
vertexBuffer[ind++] = new CubeVertex(ref posNPN, ref CubeVertex.N_NEG_Z, ref CubeVertex.TC10, ref current, ref n0, ref n3, ref n4, ref n5);
vertexBuffer[ind++] = new CubeVertex(ref posPNN, ref CubeVertex.N_NEG_Z, ref CubeVertex.TC01, ref current, ref n0, ref n1, ref n7, ref n8);
vertexBuffer[ind++] = new CubeVertex(ref posPNN, ref CubeVertex.N_NEG_Z, ref CubeVertex.TC01, ref current, ref n0, ref n1, ref n7, ref n8);
vertexBuffer[ind++] = new CubeVertex(ref posNPN, ref CubeVertex.N_NEG_Z, ref CubeVertex.TC10, ref current, ref n0, ref n3, ref n4, ref n5);
vertexBuffer[ind++] = new CubeVertex(ref posNNN, ref CubeVertex.N_NEG_Z, ref CubeVertex.TC11, ref current, ref n0, ref n5, ref n6, ref n7);
}
//+z
reg = worldZ + 1;
store.GetCube(worldX, y, reg, out n0);
if (n0.IsTransparent)
{
store.GetCube(worldX + 1, y, reg, out n1);
store.CheckYGetCube(worldX + 1, y + 1, reg, out n2);
store.CheckYGetCube(worldX, y + 1, reg, out n3);
store.CheckYGetCube(worldX - 1, y + 1, reg, out n4);
store.GetCube(worldX - 1, y, reg, out n5);
store.CheckYGetCube(worldX - 1, y - 1, reg, out n6);
store.CheckYGetCube(worldX, y - 1, reg, out n7);
store.CheckYGetCube(worldX + 1, y - 1, reg, out n8);
vertexBuffer[ind++] = new CubeVertex(ref posNPP, ref CubeVertex.N_POS_Z, ref CubeVertex.TC00, ref current, ref n0, ref n3, ref n4, ref n5);
vertexBuffer[ind++] = new CubeVertex(ref posPPP, ref CubeVertex.N_POS_Z, ref CubeVertex.TC10, ref current, ref n0, ref n1, ref n2, ref n3);
vertexBuffer[ind++] = new CubeVertex(ref posNNP, ref CubeVertex.N_POS_Z, ref CubeVertex.TC01, ref current, ref n0, ref n5, ref n6, ref n7);
vertexBuffer[ind++] = new CubeVertex(ref posNNP, ref CubeVertex.N_POS_Z, ref CubeVertex.TC01, ref current, ref n0, ref n5, ref n6, ref n7);
vertexBuffer[ind++] = new CubeVertex(ref posPPP, ref CubeVertex.N_POS_Z, ref CubeVertex.TC10, ref current, ref n0, ref n1, ref n2, ref n3);
vertexBuffer[ind++] = new CubeVertex(ref posPNP, ref CubeVertex.N_POS_Z, ref CubeVertex.TC11, ref current, ref n0, ref n1, ref n7, ref n8);
}
}
}
}
if (ind > 0)
{
VertexBuffer = new VertexBuffer(graphics, typeof(CubeVertex), ind, BufferUsage.None);
VertexBuffer.SetData<CubeVertex>(vertexBuffer,0,ind);
Empty = false;
}
else Empty = true;
}
public void CollectSubmeshStats(Chunk parent, CubeStorage store)
{
Cube current;
Cube neighbor;
int worldX = 0;
int worldZ = 0;
int maxY = Chunk.HEIGHT - 1;
for (int x = 0; x < Chunk.WIDTH; x++)
{
worldX = x + parent.Coords.X * Chunk.WIDTH;
for (int z = 0; z < Chunk.WIDTH; z++)
{
worldZ = z + parent.Coords.Z * Chunk.WIDTH;
for (int y = _yStartIndex; y <= _yEndIndex; y++)
{
store.GetCube(worldX, y, worldZ, out current);
if (!current.IsRenderable) continue;
RenderableBlocks += 1;
//-x
store.GetCube(worldX - 1, y, worldZ, out neighbor);
if (neighbor.IsTransparent) SidesRenderable++;
//+x
store.GetCube(worldX + 1, y, worldZ, out neighbor);
if (neighbor.IsTransparent) SidesRenderable++;
//-y
if (y != 0) store.GetCube(worldX, y - 1, worldZ, out neighbor);
else neighbor = Cube.NULL;
if (neighbor.IsTransparent && neighbor.Material != CubeMaterial.None) SidesRenderable++;
//+y
if (y != maxY) store.GetCube(worldX, y + 1, worldZ, out neighbor);
else neighbor = Cube.NULL;
if (neighbor.IsTransparent && neighbor.Material != CubeMaterial.None) SidesRenderable++;
//-z
store.GetCube(worldX, y, worldZ - 1, out neighbor);
if (neighbor.IsTransparent) SidesRenderable++;
//+z
store.GetCube(worldX, y, worldZ + 1, out neighbor);
if (neighbor.IsTransparent) SidesRenderable++;
}
}
}
}
