public bool RegenerateVertexBuffer()
{
if (!ChunkPosition.HasValue)
{
return(false);
}
// Chunk nachladen
if (this.chunk == null)
{
this.chunk = _manager.GetChunk(ChunkPosition.Value);
if (this.chunk == null)
{
//Thread.Sleep(10);
//RegenerateVertexBuffer();
//NeedsUpdate = false;
return(false);
}
this.chunk.Changed += OnChunkChanged;
}
var chunk = this.chunk;
List <VertexPositionNormalTextureLight> vertices = new List <VertexPositionNormalTextureLight>();
int textureColumns = textures.Width / SceneControl.TEXTURESIZE;
float textureWidth = 1f / textureColumns;
float texelSize = 1f / SceneControl.TEXTURESIZE;
float textureSizeGap = texelSize;
float textureGap = texelSize / 2;
// BlockTypes sammlen
Dictionary <IBlockDefinition, int> textureOffsets = new Dictionary <IBlockDefinition, int>();
// Dictionary<Type, BlockDefinition> definitionMapping = new Dictionary<Type, BlockDefinition>();
int definitionIndex = 0;
foreach (var definition in definitionManager.GetBlockDefinitions())
{
int textureCount = definition.Textures.Count();
textureOffsets.Add(definition, definitionIndex);
// definitionMapping.Add(definition.GetBlockType(), definition);
definitionIndex += textureCount;
}
Vector2[] uvOffsets = new[]
{
new Vector2(0, 0),
new Vector2(1, 0),
new Vector2(1, 1),
new Vector2(0, 1)
};
for (int z = 0; z < Chunk.CHUNKSIZE_Z; z++)
{
for (int y = 0; y < Chunk.CHUNKSIZE_Y; y++)
{
for (int x = 0; x < Chunk.CHUNKSIZE_X; x++)
{
ushort block = chunk.GetBlock(x, y, z);
if (block == 0)
{
continue;
}
IBlockDefinition blockDefinition = (IBlockDefinition)definitionManager.GetDefinitionByIndex(block);
if (blockDefinition == null)
{
continue;
}
int textureIndex;
if (!textureOffsets.TryGetValue(blockDefinition, out textureIndex))
{
continue;
}
// Textur-Koordinate "berechnen"
Vector2 textureOffset = new Vector2();
//Vector2 textureSize = new Vector2(textureWidth - textureSizeGap, textureWidth - textureSizeGap);
ushort topBlock = _manager.GetBlock((ChunkPosition.Value * Chunk.CHUNKSIZE) + new Index3(x, y, z + 1));
IBlockDefinition topBlockDefintion = (IBlockDefinition)definitionManager.GetDefinitionByIndex(topBlock);
var globalX = x + chunk.Index.X * Chunk.CHUNKSIZE_X;
var globalY = y + chunk.Index.Y * Chunk.CHUNKSIZE_Y;
var globalZ = z + chunk.Index.Z * Chunk.CHUNKSIZE_Z;
// Top
if (topBlock == 0 || (!topBlockDefintion.IsSolidWall(Wall.Bottom) && topBlock != block))
{
textureOffset = new Vector2(
(((textureIndex + blockDefinition.GetTextureIndex(Wall.Top, _manager, globalX, globalY, globalZ)) % textureColumns) * textureWidth) + textureGap,
(((textureIndex + blockDefinition.GetTextureIndex(Wall.Top, _manager, globalX, globalY, globalZ)) / textureColumns) * textureWidth) + textureGap);
int rotation = -blockDefinition.GetTextureRotation(Wall.Top, _manager, globalX, globalY, globalZ);
int localOffset = vertices.Count;
vertices.Add(
new VertexPositionNormalTextureLight(
new Vector3(x + 0, y + 1, z + 1),
new Vector3(0, 0, 1),
uvOffsets[(6 + rotation) % 4],
(byte)(textureIndex + blockDefinition.GetTextureIndex(Wall.Top, _manager, globalX, globalY, globalZ)),
0));
vertices.Add(
new VertexPositionNormalTextureLight(
new Vector3(x + 1, y + 1, z + 1),
new Vector3(0, 0, 1),
uvOffsets[(7 + rotation) % 4],
(byte)(textureIndex + blockDefinition.GetTextureIndex(Wall.Top, _manager, globalX, globalY, globalZ)),
0));
vertices.Add(
new VertexPositionNormalTextureLight(
new Vector3(x + 0, y + 0, z + 1),
new Vector3(0, 0, 1),
uvOffsets[(5 + rotation) % 4],
(byte)(textureIndex + blockDefinition.GetTextureIndex(Wall.Top, _manager, globalX, globalY, globalZ)),
0));
vertices.Add(
new VertexPositionNormalTextureLight(
new Vector3(x + 1, y + 0, z + 1),
new Vector3(0, 0, 1),
uvOffsets[(4 + rotation) % 4],
(byte)(textureIndex + blockDefinition.GetTextureIndex(Wall.Top, _manager, globalX, globalY, globalZ)),
0));
}
ushort bottomBlock = _manager.GetBlock((ChunkPosition.Value * Chunk.CHUNKSIZE) + new Index3(x, y, z - 1));
IBlockDefinition bottomBlockDefintion = (IBlockDefinition)definitionManager.GetDefinitionByIndex(bottomBlock);
// Unten
if (bottomBlock == 0 || (!bottomBlockDefintion.IsSolidWall(Wall.Top) && bottomBlock != block))
{
textureOffset = new Vector2(
(((textureIndex + blockDefinition.GetTextureIndex(Wall.Bottom, _manager, globalX, globalY, globalZ)) % textureColumns) * textureWidth) + textureGap,
(((textureIndex + blockDefinition.GetTextureIndex(Wall.Bottom, _manager, globalX, globalY, globalZ)) / textureColumns) * textureWidth) + textureGap);
int rotation = -blockDefinition.GetTextureRotation(Wall.Bottom, _manager, globalX, globalY, globalZ);
int localOffset = vertices.Count;
vertices.Add(
new VertexPositionNormalTextureLight(
new Vector3(x + 1, y + 1, z + 0),
new Vector3(0, 0, -1),
uvOffsets[(6 + rotation) % 4],
(byte)(textureIndex + blockDefinition.GetTextureIndex(Wall.Bottom, _manager, globalX, globalY, globalZ)),
0));
vertices.Add(
new VertexPositionNormalTextureLight(
new Vector3(x + 0, y + 1, z + 0),
new Vector3(0, 0, -1),
uvOffsets[(7 + rotation) % 4],
(byte)(textureIndex + blockDefinition.GetTextureIndex(Wall.Bottom, _manager, globalX, globalY, globalZ)),
0));
vertices.Add(
new VertexPositionNormalTextureLight(
new Vector3(x + 1, y + 0, z + 0),
new Vector3(0, 0, -1),
uvOffsets[(5 + rotation) % 4],
(byte)(textureIndex + blockDefinition.GetTextureIndex(Wall.Bottom, _manager, globalX, globalY, globalZ)),
0));
vertices.Add(
new VertexPositionNormalTextureLight(
new Vector3(x + 0, y + 0, z + 0),
new Vector3(0, 0, -1),
uvOffsets[(4 + rotation) % 4],
(byte)(textureIndex + blockDefinition.GetTextureIndex(Wall.Bottom, _manager, globalX, globalY, globalZ)),
0));
}
ushort southBlock = _manager.GetBlock((ChunkPosition.Value * Chunk.CHUNKSIZE) + new Index3(x, y + 1, z));
IBlockDefinition southBlockDefintion = (IBlockDefinition)definitionManager.GetDefinitionByIndex(southBlock);
// South
if (southBlock == 0 || (!southBlockDefintion.IsSolidWall(Wall.Front) && southBlock != block))
{
textureOffset = new Vector2(
(((textureIndex + blockDefinition.GetTextureIndex(Wall.Front, _manager, globalX, globalY, globalZ)) % textureColumns) * textureWidth) + textureGap,
(((textureIndex + blockDefinition.GetTextureIndex(Wall.Front, _manager, globalX, globalY, globalZ)) / textureColumns) * textureWidth) + textureGap);
int rotation = -blockDefinition.GetTextureRotation(Wall.Front, _manager, globalX, globalY, globalZ);
int localOffset = vertices.Count;
vertices.Add(
new VertexPositionNormalTextureLight(
new Vector3(x + 0, y + 1, z + 0),
new Vector3(0, 1, 0),
uvOffsets[(6 + rotation) % 4],
(byte)(textureIndex + blockDefinition.GetTextureIndex(Wall.Front, _manager, globalX, globalY, globalZ)),
0));
vertices.Add(
new VertexPositionNormalTextureLight(
new Vector3(x + 1, y + 1, z + 0),
new Vector3(0, 1, 0),
uvOffsets[(7 + rotation) % 4],
(byte)(textureIndex + blockDefinition.GetTextureIndex(Wall.Front, _manager, globalX, globalY, globalZ)),
0));
vertices.Add(
new VertexPositionNormalTextureLight(
new Vector3(x + 0, y + 1, z + 1),
new Vector3(0, 1, 0),
uvOffsets[(5 + rotation) % 4],
(byte)(textureIndex + blockDefinition.GetTextureIndex(Wall.Front, _manager, globalX, globalY, globalZ)),
0));
vertices.Add(
new VertexPositionNormalTextureLight(
new Vector3(x + 1, y + 1, z + 1),
new Vector3(0, 1, 0),
uvOffsets[(4 + rotation) % 4],
(byte)(textureIndex + blockDefinition.GetTextureIndex(Wall.Front, _manager, globalX, globalY, globalZ)),
0));
}
ushort northBlock = _manager.GetBlock((ChunkPosition.Value * Chunk.CHUNKSIZE) + new Index3(x, y - 1, z));
IBlockDefinition northBlockDefintion = (IBlockDefinition)definitionManager.GetDefinitionByIndex(northBlock);
// North
if (northBlock == 0 || (!northBlockDefintion.IsSolidWall(Wall.Back) && northBlock != block))
{
textureOffset = new Vector2(
(((textureIndex + blockDefinition.GetTextureIndex(Wall.Back, _manager, globalX, globalY, globalZ)) % textureColumns) * textureWidth) + textureGap,
(((textureIndex + blockDefinition.GetTextureIndex(Wall.Back, _manager, globalX, globalY, globalZ) / textureColumns) * textureWidth) + textureGap));
int rotation = -blockDefinition.GetTextureRotation(Wall.Back, _manager, globalX, globalY, globalZ);
int localOffset = vertices.Count;
vertices.Add(
new VertexPositionNormalTextureLight(
new Vector3(x + 0, y + 0, z + 1),
new Vector3(0, -1, 0),
uvOffsets[(4 + rotation) % 4],
(byte)(textureIndex + blockDefinition.GetTextureIndex(Wall.Back, _manager, globalX, globalY, globalZ)),
0));
vertices.Add(
new VertexPositionNormalTextureLight(
new Vector3(x + 1, y + 0, z + 1),
new Vector3(0, -1, 0),
uvOffsets[(5 + rotation) % 4],
(byte)(textureIndex + blockDefinition.GetTextureIndex(Wall.Back, _manager, globalX, globalY, globalZ)),
0));
vertices.Add(
new VertexPositionNormalTextureLight(
new Vector3(x + 0, y + 0, z + 0),
new Vector3(0, -1, 0),
uvOffsets[(7 + rotation) % 4],
(byte)(textureIndex + blockDefinition.GetTextureIndex(Wall.Back, _manager, globalX, globalY, globalZ)),
0));
vertices.Add(
new VertexPositionNormalTextureLight(
new Vector3(x + 1, y + 0, z + 0),
new Vector3(0, -1, 0),
uvOffsets[(6 + rotation) % 4],
(byte)(textureIndex + blockDefinition.GetTextureIndex(Wall.Back, _manager, globalX, globalY, globalZ)),
0));
}
ushort westBlock = _manager.GetBlock((ChunkPosition.Value * Chunk.CHUNKSIZE) + new Index3(x - 1, y, z));
IBlockDefinition westBlockDefintion = (IBlockDefinition)definitionManager.GetDefinitionByIndex(westBlock);
// West
if (westBlock == 0 || (!westBlockDefintion.IsSolidWall(Wall.Right) && westBlock != block))
{
textureOffset = new Vector2(
(((textureIndex + blockDefinition.GetTextureIndex(Wall.Left, _manager, globalX, globalY, globalZ)) % textureColumns) * textureWidth) + textureGap,
(((textureIndex + blockDefinition.GetTextureIndex(Wall.Left, _manager, globalX, globalY, globalZ)) / textureColumns) * textureWidth) + textureGap);
int rotation = -blockDefinition.GetTextureRotation(Wall.Left, _manager, globalX, globalY, globalZ);
int localOffset = vertices.Count;
vertices.Add(
new VertexPositionNormalTextureLight(
new Vector3(x + 0, y + 1, z + 0),
new Vector3(-1, 0, 0),
uvOffsets[(7 + rotation) % 4],
(byte)(textureIndex + blockDefinition.GetTextureIndex(Wall.Left, _manager, globalX, globalY, globalZ)),
0));
vertices.Add(
new VertexPositionNormalTextureLight(
new Vector3(x + 0, y + 1, z + 1),
new Vector3(-1, 0, 0),
uvOffsets[(4 + rotation) % 4],
(byte)(textureIndex + blockDefinition.GetTextureIndex(Wall.Left, _manager, globalX, globalY, globalZ)),
0));
vertices.Add(
new VertexPositionNormalTextureLight(
new Vector3(x + 0, y + 0, z + 0),
new Vector3(-1, 0, 0),
uvOffsets[(6 + rotation) % 4],
(byte)(textureIndex + blockDefinition.GetTextureIndex(Wall.Left, _manager, globalX, globalY, globalZ)),
0));
vertices.Add(
new VertexPositionNormalTextureLight(
new Vector3(x + 0, y + 0, z + 1),
new Vector3(-1, 0, 0),
uvOffsets[(5 + rotation) % 4],
(byte)(textureIndex + blockDefinition.GetTextureIndex(Wall.Left, _manager, globalX, globalY, globalZ)),
0));
}
ushort eastBlock = _manager.GetBlock((ChunkPosition.Value * Chunk.CHUNKSIZE) + new Index3(x + 1, y, z));
IBlockDefinition eastBlockDefintion = (IBlockDefinition)definitionManager.GetDefinitionByIndex(eastBlock);
// Ost
if (eastBlock == 0 || (!eastBlockDefintion.IsSolidWall(Wall.Left) && eastBlock != block))
{
textureOffset = new Vector2(
(((textureIndex + blockDefinition.GetTextureIndex(Wall.Right, _manager, globalX, globalY, globalZ)) % textureColumns) * textureWidth) + textureGap,
(((textureIndex + blockDefinition.GetTextureIndex(Wall.Right, _manager, globalX, globalY, globalZ)) / textureColumns) * textureWidth) + textureGap);
int rotation = -blockDefinition.GetTextureRotation(Wall.Right, _manager, globalX, globalY, globalZ);
int localOffset = vertices.Count;
vertices.Add(
new VertexPositionNormalTextureLight(
new Vector3(x + 1, y + 1, z + 1),
new Vector3(1, 0, 0),
uvOffsets[(5 + rotation) % 4],
(byte)(textureIndex + blockDefinition.GetTextureIndex(Wall.Right, _manager, globalX, globalY, globalZ)),
0));
vertices.Add(
new VertexPositionNormalTextureLight(
new Vector3(x + 1, y + 1, z + 0),
new Vector3(1, 0, 0),
uvOffsets[(6 + rotation) % 4],
(byte)(textureIndex + blockDefinition.GetTextureIndex(Wall.Right, _manager, globalX, globalY, globalZ)),
0));
vertices.Add(
new VertexPositionNormalTextureLight(
new Vector3(x + 1, y + 0, z + 1),
new Vector3(1, 0, 0),
uvOffsets[(4 + rotation) % 4],
(byte)(textureIndex + blockDefinition.GetTextureIndex(Wall.Right, _manager, globalX, globalY, globalZ)),
0));
vertices.Add(
new VertexPositionNormalTextureLight(
new Vector3(x + 1, y + 0, z + 0),
new Vector3(1, 0, 0),
uvOffsets[(7 + rotation) % 4],
(byte)(textureIndex + blockDefinition.GetTextureIndex(Wall.Right, _manager, globalX, globalY, globalZ)),
0));
}
}
}
}
vertexCount = vertices.Count;
indexCount = vertices.Count * 6 / 4;
if (vertexCount > 0)
{
Dispatch(() =>
{
if (vb == null || ib == null)
{
vb = new VertexBuffer(graphicsDevice, VertexPositionNormalTextureLight.VertexDeclaration, vertexCount + 2);
}
if (vertexCount + 2 > vb.VertexCount)
{
vb.Resize(vertexCount + 2);
}
vb.SetData(vertices.ToArray());
});
}
lock (this)
{
if (chunk != null && chunk.Index != ChunkPosition)
{
return(loaded);
}
loaded = true;
NeedsUpdate |= chunk != this.chunk;
return(!NeedsUpdate);
}
}