public static void PlaceStructure(Structure structure, Vector3I position, bool eraseSolid = false)
{
Vector3I shift = structure.Root;
Vector3I origin = position - shift;
Vector3I extents = structure.Size;
ConcurrentDictionary <Vector2I, Chunk> chunkCache = new ConcurrentDictionary <Vector2I, Chunk>();
ushort[] blocks = structure.Blocks;
ushort airID = ItemCache.GetIndex("winecrash:air");
Parallel.For(0, blocks.Length, i =>
{
WMath.FlatTo3D(i, extents.X, extents.Y, out int localX, out int localY, out int localZ);
Vector3I globalBpos = new Vector3I(localX, localY, localZ) + origin;
GlobalToLocal(globalBpos, out Vector2I cpos, out Vector3I bpos);
Chunk c;
if (!chunkCache.TryGetValue(cpos, out c))
{
c = GetChunk(cpos, "winecrash:overworld");
chunkCache.TryAdd(cpos, c);
}
if (c && (eraseSolid || c.GetBlockIndex(bpos.X, bpos.Y, bpos.Z) == airID))
{
c.SetBlock(bpos.X, bpos.Y, bpos.Z, blocks[i]);
}
});
private static ushort[] GenerateLandmass(Vector2I chunkCoords)
{
float globalScale = 1.0F;
float baseLandmassScale = 0.005F; // lower => wider. yeah ik.
float detailBias = 0.0F;
float oceanLevel = 63;
float landDeformity = 40;
float oceanDeformity = 20;
float landMaxHeight = oceanLevel + landDeformity;
float oceanMaxDepth = oceanLevel - oceanDeformity;
float mountainsDeformity = 10;
float moutainsScale = 0.01F;
float maxLevel = 63 + 40;
// this is meant to be used as a 2D base for continents apparently unused \/
IModule3D baseLandmass = new ImprovedPerlin(World.Seed.Value, NoiseQuality.Best);
var billow = new Billow
{
Primitive3D = baseLandmass,
OctaveCount = 5.0F,
Frequency = 0.9F,
};
IModule3D detailsLandmass = new ImprovedPerlin(World.Seed.Value * 123456, NoiseQuality.Best);
detailsLandmass = new ScaleBias(detailsLandmass, .2F, detailBias);
baseLandmass = new Add(billow, detailsLandmass);
//LibNoise.Modifier.Exponent baseLandExp = new Exponent(baseLandmass, 1.0F);
//var combiner = new LibNoise.Combiner.Add(baseLandmass1, baseLandmass1);
float oceanCoverage = 0.5F;
ushort airID = ItemCache.GetIndex("winecrash:air");
ushort stoneID = ItemCache.GetIndex("winecrash:stone");
ushort[] indices = new ushort[Chunk.Width * Chunk.Height * Chunk.Depth];
Vector3F shift = Vector3F.Zero;
Vector3F basePos = new Vector3F((chunkCoords.X * Chunk.Width) + shift.X, shift.Y, (chunkCoords.Y * Chunk.Depth) + shift.Z);
for (int i = 0; i < Chunk.Width * Chunk.Height * Chunk.Depth; i++)
{
//Parallel.For(0, Chunk.Width * Chunk.Height * Chunk.Depth, i =>
//{
indices[i] = airID;
// get, from index, the x,y,z coordinates of the block. Then move it from the basePos x scale.
WMath.FlatTo3D(i, Chunk.Width, Chunk.Height, out int x, out int y, out int z);
if (y > maxLevel)
{
continue;
}
Vector3F finalPos = new Vector3F((basePos.X + x) * baseLandmassScale, basePos.Y + y,
(basePos.Z + z) * baseLandmassScale) * globalScale;
float landMassPct = baseLandmass.GetValue(finalPos.X, 0, finalPos.Z);
// retreive the 2D base land value (as seen from top). If under land cap, it's ocean.
bool isLand = landMassPct > oceanCoverage;
float landPct = (float)Math.Pow(WMath.Remap(landMassPct, oceanCoverage, 1.0F, 0.0F, 1.0F), 2F);
float waterPct = WMath.Remap(landMassPct, 0.0F, oceanCoverage, 0.0F, 1.0F);
float landMassHeight = oceanLevel + (landPct * landDeformity);
int finalLandMassHeight = (int)landMassHeight;
float waterHeight = oceanMaxDepth + (waterPct * oceanDeformity);
int finalWaterHeight = (int)waterHeight;
if (isLand)
{
if (y < finalLandMassHeight)
{
indices[i] = stoneID;
}
}
else if (y == oceanLevel - 1)
{
//indices[i] = waterID;
}
else if (y < oceanLevel - 1)
{
if (y > finalWaterHeight)
{
//indices[i] = waterID;
}
else
{
indices[i] = stoneID;
}
}
// debug: display this as grass / sand.
//indices[i] = y == 63 ? (isLand ? grassID : sandID) : (y > 63 ? airID : debugID);//debug.GetValue(finalPos.X, finalPos.Y, finalPos.Z) < cap ? stoneID : airID;
//});
}
return(indices);
}
