private void OnDrawGizmosSelected()
{
if (m_chunks != null)
{
foreach (Chunk chunk in m_chunks.Values)
{
if (ShowGeomBounds && chunk.IsFinalized())
{
Gizmos.color = Color.white;
if (chunk.Visible && chunk.BBoxVertices.Count > 0)
{
Gizmos.DrawWireCube(chunk.GeometryBounds.center, chunk.GeometryBounds.size);
}
}
if (ShowMapBounds)
{
ChunkClipmapItem item = m_clipmap[chunk.Pos.X, chunk.Pos.Y, chunk.Pos.Z];
int sizeX = EngineSettings.ChunkConfig.Size << VoxelLogScaleX;
int sizeY = EngineSettings.ChunkConfig.Size << VoxelLogScaleY;
int sizeZ = EngineSettings.ChunkConfig.Size << VoxelLogScaleZ;
if (!m_clipmap.IsInsideBounds(chunk.Pos.X, chunk.Pos.Y, chunk.Pos.Z))
{
Gizmos.color = Color.red;
Gizmos.DrawWireCube(
new Vector3(
chunk.Pos.X * sizeX + sizeX / 2,
chunk.Pos.Y * sizeY + sizeY / 2 + 0.05f,
chunk.Pos.Z * sizeZ + sizeZ / 2),
new Vector3(sizeX - 0.05f, 0, sizeZ - 0.05f)
);
}
else if (item.IsWithinVisibleRange)
{
Gizmos.color = Color.green;
Gizmos.DrawWireCube(
new Vector3(
chunk.Pos.X * sizeX + sizeX / 2,
chunk.Pos.Y * sizeY + sizeY / 2 + 0.05f,
chunk.Pos.Z * sizeZ + sizeZ / 2),
new Vector3(sizeX - 0.05f, 0, sizeZ - 0.05f)
);
}
else// if (item.IsWithinCachedRange)
{
Gizmos.color = Color.yellow;
Gizmos.DrawWireCube(
new Vector3(
chunk.Pos.X * sizeX + sizeX / 2,
chunk.Pos.Y * sizeY + sizeY / 2 + 0.05f,
chunk.Pos.Z * sizeZ + sizeZ / 2),
new Vector3(sizeX - 0.05f, 0, sizeZ - 0.05f)
);
}
}
}
}
}
protected override void OnProcessChunk(Chunk chunk)
{
bool removeChunk = false;
// Chunk is within view frustum
if (IsChunkInViewFrustum(chunk))
{
ChunkClipmapItem item = m_clipmap[chunk.Pos.X, chunk.Pos.Y, chunk.Pos.Z];
// Chunk is too far away. Remove it
if (!m_clipmap.IsInsideBounds(chunk.Pos.X, chunk.Pos.Y, chunk.Pos.Z))
{
removeChunk = true;
}
// Chunk is within visibilty range. Full update with geometry generation is possible
else if (item.IsWithinVisibleRange)
{
chunk.LOD = item.LOD;
chunk.PossiblyVisible = true;
// If occlusion culling is enabled we need to register it
if (EngineSettings.CoreConfig.OcclusionCulling && Occlusion != null)
{
chunk.Visible = false;
if (chunk.IsFinalized())
{
Occlusion.RegisterEntity(chunk);
}
}
else
{
chunk.Visible = true;
}
}
// Chunk is within cached range. Full update except for geometry generation
else// if (item.IsWithinCachedRange)
{
chunk.LOD = item.LOD;
chunk.PossiblyVisible = false;
chunk.Visible = false;
}
}
else
{
ChunkClipmapItem item = m_clipmap[chunk.Pos.X, chunk.Pos.Y, chunk.Pos.Z];
// Chunk is not visible and too far away. Remote it
if (!m_clipmap.IsInsideBounds(chunk.Pos.X, chunk.Pos.Y, chunk.Pos.Z))
{
removeChunk = true;
}
// Chunk is not in viewfrustum but still within cached range
else if (item.IsWithinCachedRange)
{
chunk.LOD = item.LOD;
chunk.PossiblyVisible = false;
chunk.Visible = false;
}
}
if (removeChunk)
{
chunk.Finish();
}
}