// ---------- ---------- ---------- ---------- ---------- ---------- ---------- ---------- ---------- ----------
public IEnumerator GenerateNewHexGrid(uint a_xSize, uint a_ySize, Texture2D a_sampleTexture)
{
GameObject gridCell;
int txWidth = a_sampleTexture.width;
int txHeight = a_sampleTexture.height;
int pixX, pixY;
float hueSample, satSample, valSample;
int hexOffset;
Vector3 pos;
Vector3 scale;
bool isWall;
System.Func <int, uint, bool> IsEdge = delegate(int index, uint max)
{
return(index == 0 || index == max - 1);
};
ClearBoard();
cols = a_xSize;
rows = a_ySize;
gridNodes = new TraversableNode[cols, rows];
for (int i = 0; i < cols; i++)
{
for (int j = 0; j < rows; j++)
{
hexOffset = (i % 2);
pixX = (int)(((float)i / cols) * txWidth);
pixY = (int)(((float)j / rows) * txHeight);
// biome, elevation, temperature
Color.RGBToHSV(a_sampleTexture.GetPixel(pixX, pixY), out hueSample, out satSample, out valSample);
isWall = edgesAreWalls && (IsEdge(i, cols) || IsEdge(j, rows));
float initBias = float.MaxValue;
Biome biome = worldProfile.GetSubBiome(hueSample, satSample, valSample, ref initBias);
gridCell = isWall ? worldProfile.biomeTile : biome.biomeTile;
gridCell = gridCell == null ? worldProfile.subBiomes[0].biomeTile : gridCell;
gridCell = Instantiate(gridCell);
pos = new Vector3(
((-cols / 2) + i) * xOffset,
0,
(((-rows / 2) + j) + (hexOffset * 0.5f)) * zOffset);
scale = isWall ? new Vector3(1f, (maxHeight + 1f), 1f) :
Vector3.one + Vector3.up * ((int)(satSample * maxHeight));
gridCell.name = $"{biome.name}[{i}, {j}]";
gridCell.transform.parent = transform;
gridCell.transform.localPosition = pos * 2f;
gridCell.transform.Rotate(Vector3.up, 30);
gridCell.transform.localScale = scale;
gridNodes[i, j] = (gridCell.GetComponent <TraversableNode>());
gridNodes[i, j] = gridNodes[i, j] == null?gridCell.AddComponent <TraversableNode>() : gridNodes[i, j];
gridNodes[i, j].coordinates[0] = i;
gridNodes[i, j].coordinates[1] = j;
gridNodes[i, j].pathingValues[1] = satSample;
gridNodes[i, j].isTraversable = !isWall;
{
// Set the biome material
Renderer cellRenderer;
if (gridCell.TryGetComponent <Renderer>(out cellRenderer))
{
cellRenderer.material = biome.biomeMaterial;
}
// Spawn the biome's decoration
if (biome.biomeDeco != null)
{
Vector3 highpoint = gridCell.transform.position + Vector3.up * gridCell.transform.localScale.y / 8f;
GameObject deco = Instantiate(biome.biomeDeco);
deco.transform.position = highpoint;
deco.transform.parent = gridCell.transform;
}
}
// Set node neighbors -----
{
if (j > 0)
{
gridNodes[i, j].nodeData.AddNeighbor(gridNodes[i, j - 1].nodeData);
}
if (i > 0)
{
int nextJ = j + (hexOffset * 2 - 1);
gridNodes[i, j].nodeData.AddNeighbor(gridNodes[i - 1, j].nodeData);
if (nextJ >= 0 && nextJ < rows)
{
gridNodes[i, j].nodeData.AddNeighbor(gridNodes[i - 1, nextJ].nodeData);
}
}
}
}
yield return(null);
}
}