public void AddFeature(HexCell cell, Vector3 position)
{
if (cell.IsSpecial)
{
return;
}
HexHash hash = HexMetrics.SampleHashGrid(position);
Transform prefab = PickPrefab(urbanCollections, cell.UrbanLevel, hash.a, hash.d);
Transform otherPrefab = PickPrefab(farmCollections, cell.FarmLevel, hash.b, hash.d);
float usedHash = hash.a;
if (prefab)
{
if (otherPrefab && hash.b < hash.a)
{
prefab = otherPrefab;
usedHash = hash.b;
}
}
else if (otherPrefab)
{
prefab = otherPrefab;
usedHash = hash.b;
}
otherPrefab = PickPrefab(plantCollections, cell.PlantLevel, hash.c, hash.d);
if (prefab)
{
if (otherPrefab && hash.c < usedHash)
{
prefab = otherPrefab;
}
}
else if (otherPrefab)
{
prefab = otherPrefab;
}
else
{
return;
}
Transform instance = Instantiate(prefab);
position.y += instance.localScale.y * 0.5f;
instance.localPosition = HexMetrics.Perturb(position);
instance.localRotation = Quaternion.Euler(0f, 360f * hash.e, 0f);
instance.SetParent(container, false);
}
private void AddWallSegment(Vector3 pivot, HexCell pivotCell, Vector3 left, HexCell leftCell, Vector3 right, HexCell rightCell)
{
if (pivotCell.IsUnderwater)
{
return;
}
bool hasLeftWall = !leftCell.IsUnderwater && pivotCell.GetEdgeType(leftCell) != HexEdgeType.Cliff;
bool hasRighWall = !rightCell.IsUnderwater && pivotCell.GetEdgeType(rightCell) != HexEdgeType.Cliff;
if (hasLeftWall)
{
if (hasRighWall)
{
bool hasTower = false;
if (leftCell.Elevation == rightCell.Elevation)
{
HexHash hash = HexMetrics.SampleHashGrid((pivot + left + right) * (1f / 3f));
hasTower = hash.e < HexMetrics.wallTowerThreshold;
}
AddWallSegment(pivot, left, pivot, right, hasTower);
}
else if (leftCell.Elevation < rightCell.Elevation)
{
AddWallWedge(pivot, left, right);
}
else
{
AddWallCap(pivot, left);
}
}
else if (hasRighWall)
{
if (rightCell.Elevation < leftCell.Elevation)
{
AddWallWedge(right, pivot, left);
}
else
{
AddWallCap(right, pivot);
}
}
}