public void RegenerateVertexBuffer()
{
if (!ChunkPosition.HasValue)
{
return;
}
// Chunk nachladen
if (chunk == null)
{
chunk = _manager.GetChunk(ChunkPosition.Value);
if (chunk == null)
{
return;
}
}
List <VertexPositionNormalTexture> vertices = new List <VertexPositionNormalTexture>();
List <int> index = new List <int>();
int textureColumns = textures.Width / SceneControl.TEXTURESIZE;
float textureWidth = 1f / textureColumns;
// 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;
}
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 = DefinitionManager.GetBlockDefinitionByIndex(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 - 0.005f, textureWidth - 0.005f);
ushort topBlock = _manager.GetBlock((ChunkPosition.Value * Chunk.CHUNKSIZE) + new Index3(x, y, z + 1));
IBlockDefinition topBlockDefintion = DefinitionManager.GetBlockDefinitionByIndex(topBlock);
// Top
if (topBlock == 0 || (!topBlockDefintion.IsBottomSolidWall(_manager, x, y, z + 1) && topBlock != block))
{
textureOffset = new Vector2(
(((textureIndex + blockDefinition.GetTopTextureIndex(_manager, x, y, z)) % textureColumns) * textureWidth) + 0.002f,
(((textureIndex + blockDefinition.GetTopTextureIndex(_manager, x, y, z)) / textureColumns) * textureWidth) + 0.002f);
Vector2[] points = new[] {
textureOffset,
new Vector2(textureOffset.X + textureSize.X, textureOffset.Y),
textureOffset + textureSize,
new Vector2(textureOffset.X, textureOffset.Y + textureSize.X)
};
int rotation = -blockDefinition.GetTopTextureRotation(_manager, x, y, z);
int localOffset = vertices.Count;
vertices.Add(new VertexPositionNormalTexture(new Vector3(x + 0, y + 1, z + 1), new Vector3(0, 0, 1), points[(4 + rotation) % 4]));
vertices.Add(new VertexPositionNormalTexture(new Vector3(x + 1, y + 1, z + 1), new Vector3(0, 0, 1), points[(5 + rotation) % 4]));
vertices.Add(new VertexPositionNormalTexture(new Vector3(x + 0, y + 0, z + 1), new Vector3(0, 0, 1), points[(7 + rotation) % 4]));
vertices.Add(new VertexPositionNormalTexture(new Vector3(x + 1, y + 0, z + 1), new Vector3(0, 0, 1), points[(6 + rotation) % 4]));
index.Add(localOffset + 0);
index.Add(localOffset + 1);
index.Add(localOffset + 3);
index.Add(localOffset + 0);
index.Add(localOffset + 3);
index.Add(localOffset + 2);
}
ushort bottomBlock = _manager.GetBlock((ChunkPosition.Value * Chunk.CHUNKSIZE) + new Index3(x, y, z - 1));
IBlockDefinition bottomBlockDefintion = DefinitionManager.GetBlockDefinitionByIndex(bottomBlock);
// Unten
if (bottomBlock == 0 || (!bottomBlockDefintion.IsTopSolidWall(_manager, x, y, z - 1) && bottomBlock != block))
{
textureOffset = new Vector2(
(((textureIndex + blockDefinition.GetBottomTextureIndex(_manager, x, y, z)) % textureColumns) * textureWidth) + 0.002f,
(((textureIndex + blockDefinition.GetBottomTextureIndex(_manager, x, y, z)) / textureColumns) * textureWidth) + 0.002f);
Vector2[] points = new[] {
textureOffset,
new Vector2(textureOffset.X + textureSize.X, textureOffset.Y),
textureOffset + textureSize,
new Vector2(textureOffset.X, textureOffset.Y + textureSize.X)
};
int rotation = -blockDefinition.GetBottomTextureRotation(_manager, x, y, z);
int localOffset = vertices.Count;
vertices.Add(new VertexPositionNormalTexture(new Vector3(x + 1, y + 1, z + 0), new Vector3(0, 0, -1), points[(6 + rotation) % 4]));
vertices.Add(new VertexPositionNormalTexture(new Vector3(x + 0, y + 1, z + 0), new Vector3(0, 0, -1), points[(7 + rotation) % 4]));
vertices.Add(new VertexPositionNormalTexture(new Vector3(x + 1, y + 0, z + 0), new Vector3(0, 0, -1), points[(5 + rotation) % 4]));
vertices.Add(new VertexPositionNormalTexture(new Vector3(x + 0, y + 0, z + 0), new Vector3(0, 0, -1), points[(4 + rotation) % 4]));
index.Add(localOffset + 0);
index.Add(localOffset + 1);
index.Add(localOffset + 3);
index.Add(localOffset + 0);
index.Add(localOffset + 3);
index.Add(localOffset + 2);
}
ushort southBlock = _manager.GetBlock((ChunkPosition.Value * Chunk.CHUNKSIZE) + new Index3(x, y + 1, z));
IBlockDefinition southBlockDefintion = DefinitionManager.GetBlockDefinitionByIndex(southBlock);
// South
if (southBlock == 0 || (!southBlockDefintion.IsNorthSolidWall(_manager, x, y + 1, z) && southBlock != block))
{
textureOffset = new Vector2(
(((textureIndex + blockDefinition.GetSouthTextureIndex(_manager, x, y, z)) % textureColumns) * textureWidth) + 0.002f,
(((textureIndex + blockDefinition.GetSouthTextureIndex(_manager, x, y, z)) / textureColumns) * textureWidth) + 0.002f);
Vector2[] points = new[] {
textureOffset,
new Vector2(textureOffset.X + textureSize.X, textureOffset.Y),
textureOffset + textureSize,
new Vector2(textureOffset.X, textureOffset.Y + textureSize.X)
};
int rotation = -blockDefinition.GetSouthTextureRotation(_manager, x, y, z);
int localOffset = vertices.Count;
vertices.Add(new VertexPositionNormalTexture(new Vector3(x + 0, y + 1, z + 0), new Vector3(0, 1, 0), points[(6 + rotation) % 4]));
vertices.Add(new VertexPositionNormalTexture(new Vector3(x + 1, y + 1, z + 0), new Vector3(0, 1, 0), points[(7 + rotation) % 4]));
vertices.Add(new VertexPositionNormalTexture(new Vector3(x + 0, y + 1, z + 1), new Vector3(0, 1, 0), points[(5 + rotation) % 4]));
vertices.Add(new VertexPositionNormalTexture(new Vector3(x + 1, y + 1, z + 1), new Vector3(0, 1, 0), points[(4 + rotation) % 4]));
index.Add(localOffset + 0);
index.Add(localOffset + 1);
index.Add(localOffset + 3);
index.Add(localOffset + 0);
index.Add(localOffset + 3);
index.Add(localOffset + 2);
}
ushort northBlock = _manager.GetBlock((ChunkPosition.Value * Chunk.CHUNKSIZE) + new Index3(x, y - 1, z));
IBlockDefinition northBlockDefintion = DefinitionManager.GetBlockDefinitionByIndex(northBlock);
// North
if (northBlock == 0 || (!northBlockDefintion.IsSouthSolidWall(_manager, x, y - 1, z) && northBlock != block))
{
textureOffset = new Vector2(
(((textureIndex + blockDefinition.GetNorthTextureIndex(_manager, x, y, z)) % textureColumns) * textureWidth) + 0.002f,
(((textureIndex + blockDefinition.GetNorthTextureIndex(_manager, x, y, z)) / textureColumns) * textureWidth) + 0.002f);
Vector2[] points = new[] {
textureOffset,
new Vector2(textureOffset.X + textureSize.X, textureOffset.Y),
textureOffset + textureSize,
new Vector2(textureOffset.X, textureOffset.Y + textureSize.X)
};
int rotation = -blockDefinition.GetNorthTextureRotation(_manager, x, y, z);
int localOffset = vertices.Count;
vertices.Add(new VertexPositionNormalTexture(new Vector3(x + 0, y + 0, z + 1), new Vector3(0, -1, 0), points[(4 + rotation) % 4]));
vertices.Add(new VertexPositionNormalTexture(new Vector3(x + 1, y + 0, z + 1), new Vector3(0, -1, 0), points[(5 + rotation) % 4]));
vertices.Add(new VertexPositionNormalTexture(new Vector3(x + 0, y + 0, z + 0), new Vector3(0, -1, 0), points[(7 + rotation) % 4]));
vertices.Add(new VertexPositionNormalTexture(new Vector3(x + 1, y + 0, z + 0), new Vector3(0, -1, 0), points[(6 + rotation) % 4]));
index.Add(localOffset + 0);
index.Add(localOffset + 1);
index.Add(localOffset + 3);
index.Add(localOffset + 0);
index.Add(localOffset + 3);
index.Add(localOffset + 2);
}
ushort westBlock = _manager.GetBlock((ChunkPosition.Value * Chunk.CHUNKSIZE) + new Index3(x - 1, y, z));
IBlockDefinition westBlockDefintion = DefinitionManager.GetBlockDefinitionByIndex(westBlock);
// West
if (westBlock == 0 || (!westBlockDefintion.IsEastSolidWall(_manager, x - 1, y, z) && westBlock != block))
{
textureOffset = new Vector2(
(((textureIndex + blockDefinition.GetWestTextureIndex(_manager, x, y, z)) % textureColumns) * textureWidth) + 0.002f,
(((textureIndex + blockDefinition.GetWestTextureIndex(_manager, x, y, z)) / textureColumns) * textureWidth) + 0.002f);
Vector2[] points = new[] {
textureOffset,
new Vector2(textureOffset.X + textureSize.X, textureOffset.Y),
textureOffset + textureSize,
new Vector2(textureOffset.X, textureOffset.Y + textureSize.X)
};
int rotation = -blockDefinition.GetWestTextureRotation(_manager, x, y, z);
int localOffset = vertices.Count;
vertices.Add(new VertexPositionNormalTexture(new Vector3(x + 0, y + 1, z + 0), new Vector3(-1, 0, 0), points[(7 + rotation) % 4]));
vertices.Add(new VertexPositionNormalTexture(new Vector3(x + 0, y + 1, z + 1), new Vector3(-1, 0, 0), points[(4 + rotation) % 4]));
vertices.Add(new VertexPositionNormalTexture(new Vector3(x + 0, y + 0, z + 0), new Vector3(-1, 0, 0), points[(6 + rotation) % 4]));
vertices.Add(new VertexPositionNormalTexture(new Vector3(x + 0, y + 0, z + 1), new Vector3(-1, 0, 0), points[(5 + rotation) % 4]));
index.Add(localOffset + 0);
index.Add(localOffset + 1);
index.Add(localOffset + 3);
index.Add(localOffset + 0);
index.Add(localOffset + 3);
index.Add(localOffset + 2);
}
ushort eastBlock = _manager.GetBlock((ChunkPosition.Value * Chunk.CHUNKSIZE) + new Index3(x + 1, y, z));
IBlockDefinition eastBlockDefintion = DefinitionManager.GetBlockDefinitionByIndex(eastBlock);
// Ost
if (eastBlock == 0 || (!eastBlockDefintion.IsWestSolidWall(_manager, x + 1, y, z) && eastBlock != block))
{
textureOffset = new Vector2(
(((textureIndex + blockDefinition.GetEastTextureIndex(_manager, x, y, z)) % textureColumns) * textureWidth) + 0.002f,
(((textureIndex + blockDefinition.GetEastTextureIndex(_manager, x, y, z)) / textureColumns) * textureWidth) + 0.002f);
Vector2[] points = new[] {
textureOffset,
new Vector2(textureOffset.X + textureSize.X, textureOffset.Y),
textureOffset + textureSize,
new Vector2(textureOffset.X, textureOffset.Y + textureSize.X)
};
int rotation = -blockDefinition.GetEastTextureRotation(_manager, x, y, z);
int localOffset = vertices.Count;
vertices.Add(new VertexPositionNormalTexture(new Vector3(x + 1, y + 1, z + 1), new Vector3(1, 0, 0), points[(5 + rotation) % 4]));
vertices.Add(new VertexPositionNormalTexture(new Vector3(x + 1, y + 1, z + 0), new Vector3(1, 0, 0), points[(6 + rotation) % 4]));
vertices.Add(new VertexPositionNormalTexture(new Vector3(x + 1, y + 0, z + 1), new Vector3(1, 0, 0), points[(4 + rotation) % 4]));
vertices.Add(new VertexPositionNormalTexture(new Vector3(x + 1, y + 0, z + 0), new Vector3(1, 0, 0), points[(7 + rotation) % 4]));
index.Add(localOffset + 0);
index.Add(localOffset + 1);
index.Add(localOffset + 3);
index.Add(localOffset + 0);
index.Add(localOffset + 3);
index.Add(localOffset + 2);
}
}
}
}
vertexCount = vertices.Count;
indexCount = index.Count;
VertexBuffer vb2 = null;
IndexBuffer ib2 = null;
if (vertexCount > 0)
{
try
{
vb2 = new VertexBuffer(graphicsDevice, VertexPositionNormalTexture.VertexDeclaration, vertexCount, BufferUsage.WriteOnly);
vb2.SetData <VertexPositionNormalTexture>(vertices.ToArray());
ib2 = new IndexBuffer(graphicsDevice, IndexElementSize.ThirtyTwoBits, indexCount, BufferUsage.WriteOnly);
ib2.SetData <int>(index.ToArray());
}
catch (Exception) { }
}
VertexBuffer vbOld = vb;
IndexBuffer ibOld = ib;
lock (this)
{
vb = vb2;
ib = ib2;
loaded = true;
}
if (vbOld != null)
{
vbOld.Dispose();
}
if (ibOld != null)
{
ibOld.Dispose();
}
lastReset = chunk.ChangeCounter;
}
protected override void OnUpdate(GameTime gameTime)
{
sunPosition += (float)gameTime.ElapsedGameTime.TotalMinutes * MathHelper.TwoPi;
Index3 centerblock = player.ActorHost.Position.GlobalBlockIndex;
Index3 renderOffset = player.ActorHost.Position.ChunkIndex * Chunk.CHUNKSIZE;
Index3? selected = null;
Axis? selectedAxis = null;
Vector3?selectionPoint = null;
float bestDistance = 9999;
for (int z = -Player.SELECTIONRANGE; z < Player.SELECTIONRANGE; z++)
{
for (int y = -Player.SELECTIONRANGE; y < Player.SELECTIONRANGE; y++)
{
for (int x = -Player.SELECTIONRANGE; x < Player.SELECTIONRANGE; x++)
{
Index3 range = new Index3(x, y, z);
Index3 pos = range + centerblock;
ushort block = _manager.GetBlock(pos);
if (block == 0)
{
continue;
}
IBlockDefinition blockDefinition = DefinitionManager.GetBlockDefinitionByIndex(block);
Axis? collisionAxis;
float?distance = Block.Intersect(blockDefinition.GetCollisionBoxes(_manager, pos.X, pos.Y, pos.Z), pos - renderOffset, camera.PickRay, out collisionAxis);
if (distance.HasValue && distance.Value < bestDistance)
{
pos.NormalizeXY(planet.Size * Chunk.CHUNKSIZE);
selected = pos;
selectedAxis = collisionAxis;
bestDistance = distance.Value;
selectionPoint = (camera.PickRay.Position + (camera.PickRay.Direction * distance)) - (selected - renderOffset);
}
}
}
}
if (selected.HasValue)
{
player.SelectedBox = selected;
switch (selectedAxis)
{
case Axis.X: player.SelectedSide = (camera.PickRay.Direction.X > 0 ? OrientationFlags.SideWest : OrientationFlags.SideEast); break;
case Axis.Y: player.SelectedSide = (camera.PickRay.Direction.Y > 0 ? OrientationFlags.SideSouth : OrientationFlags.SideNorth); break;
case Axis.Z: player.SelectedSide = (camera.PickRay.Direction.Z > 0 ? OrientationFlags.SideBottom : OrientationFlags.SideTop); break;
}
player.SelectedPoint = new Vector2();
switch (player.SelectedSide)
{
case OrientationFlags.SideWest:
player.SelectedPoint = new Vector2(1f - selectionPoint.Value.Y, 1f - selectionPoint.Value.Z);
player.SelectedCorner = FindCorner(player.SelectedPoint.Value, OrientationFlags.Corner011, OrientationFlags.Corner001, OrientationFlags.Corner010, OrientationFlags.Corner000);
player.SelectedEdge = FindEdge(player.SelectedPoint.Value, OrientationFlags.EdgeWestTop, OrientationFlags.EdgeWestBottom, OrientationFlags.EdgeNorthWest, OrientationFlags.EdgeSouthWest);
break;
case OrientationFlags.SideEast:
player.SelectedPoint = new Vector2(selectionPoint.Value.Y, 1f - selectionPoint.Value.Z);
player.SelectedCorner = FindCorner(player.SelectedPoint.Value, OrientationFlags.Corner101, OrientationFlags.Corner111, OrientationFlags.Corner100, OrientationFlags.Corner110);
player.SelectedEdge = FindEdge(player.SelectedPoint.Value, OrientationFlags.EdgeEastTop, OrientationFlags.EdgeEastBottom, OrientationFlags.EdgeSouthEast, OrientationFlags.EdgeNorthEast);
break;
case OrientationFlags.SideTop:
player.SelectedPoint = new Vector2(selectionPoint.Value.X, 1f - selectionPoint.Value.Y);
player.SelectedCorner = FindCorner(player.SelectedPoint.Value, OrientationFlags.Corner011, OrientationFlags.Corner111, OrientationFlags.Corner001, OrientationFlags.Corner101);
player.SelectedEdge = FindEdge(player.SelectedPoint.Value, OrientationFlags.EdgeNorthTop, OrientationFlags.EdgeSouthTop, OrientationFlags.EdgeWestTop, OrientationFlags.EdgeEastTop);
break;
case OrientationFlags.SideBottom:
player.SelectedPoint = new Vector2(selectionPoint.Value.X, selectionPoint.Value.Y);
player.SelectedCorner = FindCorner(player.SelectedPoint.Value, OrientationFlags.Corner000, OrientationFlags.Corner100, OrientationFlags.Corner010, OrientationFlags.Corner110);
player.SelectedEdge = FindEdge(player.SelectedPoint.Value, OrientationFlags.EdgeSouthBottom, OrientationFlags.EdgeNorthBottom, OrientationFlags.EdgeWestBottom, OrientationFlags.EdgeEastBottom);
break;
case OrientationFlags.SideNorth:
player.SelectedPoint = new Vector2(1f - selectionPoint.Value.X, 1f - selectionPoint.Value.Z);
player.SelectedCorner = FindCorner(player.SelectedPoint.Value, OrientationFlags.Corner111, OrientationFlags.Corner011, OrientationFlags.Corner110, OrientationFlags.Corner010);
player.SelectedEdge = FindEdge(player.SelectedPoint.Value, OrientationFlags.EdgeNorthTop, OrientationFlags.EdgeNorthBottom, OrientationFlags.EdgeNorthEast, OrientationFlags.EdgeNorthWest);
break;
case OrientationFlags.SideSouth:
player.SelectedPoint = new Vector2(selectionPoint.Value.X, 1f - selectionPoint.Value.Z);
player.SelectedCorner = FindCorner(player.SelectedPoint.Value, OrientationFlags.Corner001, OrientationFlags.Corner101, OrientationFlags.Corner000, OrientationFlags.Corner100);
player.SelectedEdge = FindEdge(player.SelectedPoint.Value, OrientationFlags.EdgeSouthTop, OrientationFlags.EdgeSouthBottom, OrientationFlags.EdgeSouthWest, OrientationFlags.EdgeSouthEast);
break;
}
player.SelectedPoint = new Vector2(
Math.Min(1f, Math.Max(0f, player.SelectedPoint.Value.X)),
Math.Min(1f, Math.Max(0f, player.SelectedPoint.Value.Y)));
}
else
{
player.SelectedBox = null;
player.SelectedPoint = null;
player.SelectedSide = OrientationFlags.None;
player.SelectedEdge = OrientationFlags.None;
player.SelectedCorner = OrientationFlags.None;
}
base.OnUpdate(gameTime);
}