public MapRenderer(Game game)
{
this.game = game;
gfx = game.Graphics;
updater = new ChunkUpdater(game, this);
SetMeshBuilder(DefaultMeshBuilder());
}
public static void UpdateSortOrder(Game game, ChunkUpdater updater)
{
Vector3 cameraPos = game.CurrentCameraPos;
//int adjCamX, adjCamZ;
//game.Camera.GetCamChunk(out adjCamX, out adjCamZ);
//cameraPos.X -= adjCamX;
//cameraPos.Z -= adjCamZ;
Vector3I newChunkPos = Vector3I.Floor(cameraPos);
newChunkPos.X = (newChunkPos.X & ~0x0F) + 8;
newChunkPos.Y = (newChunkPos.Y & ~0x0F) + 8;
newChunkPos.Z = (newChunkPos.Z & ~0x0F) + 8;
if (newChunkPos == updater.chunkPos)
{
return;
}
ChunkInfo[] chunks = game.MapRenderer.chunks;
int[] distances = updater.distances;
Vector3I pPos = newChunkPos;
updater.chunkPos = pPos;
for (int i = 0; i < chunks.Length; i++)
{
ChunkInfo info = chunks[i];
// Calculate distance to chunk centre
int dx = info.CentreX - pPos.X, dy = info.CentreY - pPos.Y, dz = info.CentreZ - pPos.Z;
distances[i] = dx * dx + dy * dy + dz * dz;
// Can work out distance to chunk faces as offset from distance to chunk centre on each axis.
int dXMin = dx - 8, dXMax = dx + 8;
int dYMin = dy - 8, dYMax = dy + 8;
int dZMin = dz - 8, dZMax = dz + 8;
// Back face culling: make sure that the chunk is definitely entirely back facing.
info.DrawLeft = !(dXMin <= 0 && dXMax <= 0);
info.DrawRight = !(dXMin >= 0 && dXMax >= 0);
info.DrawFront = !(dZMin <= 0 && dZMax <= 0);
info.DrawBack = !(dZMin >= 0 && dZMax >= 0);
info.DrawBottom = !(dYMin <= 0 && dYMax <= 0);
info.DrawTop = !(dYMin >= 0 && dYMax >= 0);
}
// NOTE: Over 5x faster compared to normal comparison of IComparer<ChunkInfo>.Compare
if (distances.Length > 1)
{
QuickSort(distances, chunks, 0, chunks.Length - 1);
}
updater.ResetUsedFlags();
//SimpleOcclusionCulling();
}
public static void UpdateSortOrder(Game game, ChunkUpdater updater)
{
Vector3 cameraPos = game.CurrentCameraPos;
Vector3I newChunkPos = Vector3I.Floor(cameraPos);
newChunkPos.X = (newChunkPos.X & ~0x0F) + 8;
newChunkPos.Y = (newChunkPos.Y & ~0x0F) + 8;
newChunkPos.Z = (newChunkPos.Z & ~0x0F) + 8;
if (newChunkPos == updater.chunkPos)
{
return;
}
ChunkInfo[] chunks = game.MapRenderer.chunks;
int[] distances = updater.distances;
updater.chunkPos = newChunkPos;
for (int i = 0; i < distances.Length; i++)
{
ChunkInfo info = chunks[i];
distances[i] = Utils.DistanceSquared(info.CentreX, info.CentreY, info.CentreZ,
updater.chunkPos.X, updater.chunkPos.Y, updater.chunkPos.Z);
}
// NOTE: Over 5x faster compared to normal comparison of IComparer<ChunkInfo>.Compare
if (distances.Length > 1)
{
QuickSort(distances, chunks, 0, chunks.Length - 1);
}
Vector3I pPos = newChunkPos;
for (int i = 0; i < chunks.Length; i++)
{
ChunkInfo info = chunks[i];
int dX1 = (info.CentreX - 8) - pPos.X, dX2 = (info.CentreX + 8) - pPos.X;
int dY1 = (info.CentreY - 8) - pPos.Y, dY2 = (info.CentreY + 8) - pPos.Y;
int dZ1 = (info.CentreZ - 8) - pPos.Z, dZ2 = (info.CentreZ + 8) - pPos.Z;
// Back face culling: make sure that the chunk is definitely entirely back facing.
info.DrawLeft = !(dX1 <= 0 && dX2 <= 0);
info.DrawRight = !(dX1 >= 0 && dX2 >= 0);
info.DrawFront = !(dZ1 <= 0 && dZ2 <= 0);
info.DrawBack = !(dZ1 >= 0 && dZ2 >= 0);
info.DrawBottom = !(dY1 <= 0 && dY2 <= 0);
info.DrawTop = !(dY1 >= 0 && dY2 >= 0);
}
updater.RecalcBooleans(false);
//SimpleOcclusionCulling();
}
public static void UpdateSortOrder( Game game, ChunkUpdater updater )
{
Vector3 cameraPos = game.CurrentCameraPos;
Vector3I newChunkPos = Vector3I.Floor( cameraPos );
newChunkPos.X = (newChunkPos.X & ~0x0F) + 8;
newChunkPos.Y = (newChunkPos.Y & ~0x0F) + 8;
newChunkPos.Z = (newChunkPos.Z & ~0x0F) + 8;
if( newChunkPos == updater.chunkPos ) return;
ChunkInfo[] chunks = game.MapRenderer.chunks;
int[] distances = updater.distances;
updater.chunkPos = newChunkPos;
for( int i = 0; i < distances.Length; i++ ) {
ChunkInfo info = chunks[i];
distances[i] = Utils.DistanceSquared( info.CentreX, info.CentreY, info.CentreZ,
updater.chunkPos.X, updater.chunkPos.Y, updater.chunkPos.Z );
}
// NOTE: Over 5x faster compared to normal comparison of IComparer<ChunkInfo>.Compare
if( distances.Length > 1 )
QuickSort( distances, chunks, 0, chunks.Length - 1 );
Vector3I pPos = newChunkPos;
for( int i = 0; i < chunks.Length; i++ ) {
ChunkInfo info = chunks[i];
int dX1 = (info.CentreX - 8) - pPos.X, dX2 = (info.CentreX + 8) - pPos.X;
int dY1 = (info.CentreY - 8) - pPos.Y, dY2 = (info.CentreY + 8) - pPos.Y;
int dZ1 = (info.CentreZ - 8) - pPos.Z, dZ2 = (info.CentreZ + 8) - pPos.Z;
// Back face culling: make sure that the chunk is definitely entirely back facing.
info.DrawLeft = !(dX1 <= 0 && dX2 <= 0);
info.DrawRight = !(dX1 >= 0 && dX2 >= 0);
info.DrawFront = !(dZ1 <= 0 && dZ2 <= 0);
info.DrawBack = !(dZ1 >= 0 && dZ2 >= 0);
info.DrawBottom = !(dY1 <= 0 && dY2 <= 0);
info.DrawTop = !(dY1 >= 0 && dY2 >= 0);
}
updater.RecalcBooleans( false );
//SimpleOcclusionCulling();
}
public MapRenderer( Game game )
{
this.game = game;
api = game.Graphics;
updater = new ChunkUpdater( game, this );
}
public MapRenderer(Game game)
{
this.game = game;
api = game.Graphics;
updater = new ChunkUpdater(game, this);
}
