private void RenderBlocks(GameClient gameClient)
{
GL.UseProgram(_cubeShader.Value.Id);
GL.UniformMatrix4(0, false, ref _projectionMatrix);
GL.UniformMatrix4(4, false, ref _modelViewMatrix);
var cameraChunkPos = (ChunkPos)gameClient.PositionData.Placement.Pos;
var offset = (gameClient.PositionData.Placement.Pos - EntityPos.Origin) + new EntityOffset(0, gameClient.PhysicsValues.PlayerEyeHeight, 0);
int chunkUpdates = 0;
ChunkPos.IterateOutwards(
cameraChunkPos,
ChunkViewRadiusXZ,
ChunkViewRadiusY,
chunkPos =>
{
ChunkBufferEntry entry;
_chunkBuffers.TryGetValue(chunkPos, out entry);
/* Don't let nearby entries expire. */
if (entry != null)
{
entry.LastAccess = _currentFrameTime;
}
if (!IsInViewingFrustum(gameClient, offset, chunkPos))
{
return;
}
var chunk = gameClient.World.PeekChunk(chunkPos);
if (chunk != null && chunk.HasData)
{
if (entry == null)
{
entry = new ChunkBufferEntry {
LastAccess = _currentFrameTime
};
_chunkBuffers[chunkPos] = entry;
}
if (entry.ContentHash != chunk.ContentHash)
{
if (chunkUpdates < 5 && entry.TriangleTask != null && entry.TriangleTask.IsCompleted)
{
var triangles = entry.TriangleTask.Result;
if (entry.TriangleTaskContentHash == chunk.ContentHash)
{
++chunkUpdates;
if (entry.VertexArray == null)
{
entry.VertexArray = new VertexArray(_cubeVertexSpecification);
}
entry.VertexArray.SetData(triangles, BufferUsageHint.StaticDraw);
entry.ContentHash = chunk.ContentHash;
}
triangles.Dispose();
entry.TriangleTask = null;
entry.TriangleTaskContentHash = 0;
}
if (entry.ContentHash != chunk.ContentHash && entry.TriangleTask == null)
{
var triangleBuffer = new TriangleBuffer(_cubeVertexSpecification);
var localChunk = chunk;
entry.TriangleTask = Task.Run(() => { RenderChunk(triangleBuffer, localChunk); return(triangleBuffer); });
entry.TriangleTaskContentHash = chunk.ContentHash;
}
}
entry.VertexArray?.Draw();
}
});
GL.UseProgram(0);
RemoveExpiredChunks();
}
private void RenderBlocks(GameClient gameClient)
{
GL.UseProgram(_cubeShader.Value.Id);
GL.UniformMatrix4(0, false, ref _projectionMatrix);
GL.UniformMatrix4(4, false, ref _modelViewMatrix);
var cameraChunkPos = (ChunkPos)gameClient.PositionData.Placement.Pos;
var offset = (gameClient.PositionData.Placement.Pos - EntityPos.Origin) + new EntityOffset(0, gameClient.PhysicsValues.PlayerEyeHeight, 0);
int chunkUpdates = 0;
ChunkPos.IterateOutwards(
cameraChunkPos,
ChunkViewRadiusXZ,
ChunkViewRadiusY,
chunkPos =>
{
ChunkBufferEntry entry;
_chunkBuffers.TryGetValue(chunkPos, out entry);
/* Don't let nearby entries expire. */
if (entry != null) entry.LastAccess = _currentFrameTime;
if (!IsInViewingFrustum(gameClient, offset, chunkPos)) return;
var chunk = gameClient.World.PeekChunk(chunkPos);
if (chunk != null && chunk.HasData)
{
if (entry == null)
{
entry = new ChunkBufferEntry { LastAccess = _currentFrameTime };
_chunkBuffers[chunkPos] = entry;
}
if (entry.ContentHash != chunk.ContentHash)
{
if (chunkUpdates < 5 && entry.TriangleTask != null && entry.TriangleTask.IsCompleted)
{
var triangles = entry.TriangleTask.Result;
if (entry.TriangleTaskContentHash == chunk.ContentHash)
{
++chunkUpdates;
if (entry.VertexArray == null) entry.VertexArray = new VertexArray(_cubeVertexSpecification);
entry.VertexArray.SetData(triangles, BufferUsageHint.StaticDraw);
entry.ContentHash = chunk.ContentHash;
}
triangles.Dispose();
entry.TriangleTask = null;
entry.TriangleTaskContentHash = 0;
}
if (entry.ContentHash != chunk.ContentHash && entry.TriangleTask == null)
{
var triangleBuffer = new TriangleBuffer(_cubeVertexSpecification);
var localChunk = chunk;
entry.TriangleTask = Task.Run(() => { RenderChunk(triangleBuffer, localChunk); return triangleBuffer; });
entry.TriangleTaskContentHash = chunk.ContentHash;
}
}
entry.VertexArray?.Draw();
}
});
GL.UseProgram(0);
RemoveExpiredChunks();
}
