public void SetNeighbors(DynamicTerrainChunk left, DynamicTerrainChunk top, DynamicTerrainChunk right, DynamicTerrainChunk bottom)
{
// TODO: Fix the seams between chunks
Terrain t = GetComponent <Terrain>();
Terrain leftTerrain = left == null ? null : left.terrain;
Terrain topTerrain = top == null ? null : top.terrain;
Terrain rightTerrain = right == null ? null : right.terrain;
Terrain bottomTerrain = bottom == null ? null : bottom.terrain;
// Hint to the terrain engine about how to improve LOD calculations
t.SetNeighbors(leftTerrain, topTerrain, rightTerrain, bottomTerrain);
t.Flush();
}
void RebuildChunks()
{
// This function (at first) will tell each chunk
// who its neighbours are.
// Loop through all of our existing chunks.
for (int x = 0; x < numCols; x++)
{
for (int y = 0; y < numRows; y++)
{
DynamicTerrainChunk left = (x > 0) ? terrainChunks[x - 1, y] : null;
DynamicTerrainChunk bottom = (y > 0) ? terrainChunks[x, y - 1] : null;
DynamicTerrainChunk right = (x < numCols - 1) ? terrainChunks[x + 1, y] : null;
DynamicTerrainChunk top = (y < numRows - 1) ? terrainChunks[x, y + 1] : null;
terrainChunks[x, y].SetNeighbors(
left, top, right, bottom
);
}
}
}
DynamicTerrainChunk BuildChunk(Quaternion rotation, Vector3 position)
{
GameObject go = new GameObject();
go.transform.position = position;
go.name = rotation.eulerAngles.ToString(); //position.ToString();
DynamicTerrainChunk dtc = go.AddComponent <DynamicTerrainChunk>();
dtc.HeightMapTexture = this.HeightMapTexture;
dtc.StructureMapTexture = this.StructureMapTexture;
dtc.Splats = this.Splats;
dtc.ChunkRotation = rotation;
dtc.DegreesPerChunk = DegreesPerChunk;
dtc.WorldUnitsPerChunk = WorldUnitsPerChunk;
dtc.StructureColors = StructureColors;
dtc.BuildTerrain();
return(dtc);
}
void BuildChunkArray()
{
if (terrainChunks[1, 1] == null)
{
Debug.LogError("No middle chunk!");
return;
}
for (int x = 0; x < numCols; x++)
{
for (int y = 0; y < numRows; y++)
{
if (terrainChunks[x, y] == null)
{
float xDir = x - 1;
float yDir = y - 1;
// Build the missing chunk
DynamicTerrainChunk root = terrainChunks[1, 1];
Quaternion rotation = root.ChunkRotation;
rotation *= Quaternion.Euler(
DegreesPerChunk * yDir,
DegreesPerChunk * xDir,
0
);
Vector3 position = root.transform.position;
position += new Vector3(
WorldUnitsPerChunk * xDir,
0,
WorldUnitsPerChunk * yDir
);
terrainChunks[x, y] = BuildChunk(rotation, position);
}
}
}
}
