// instantiate all chunks
void Awake()
{
multiplier = axisMax / size;
int y = 0;
int counter = 0;
for (int z = 0; z < sizeZ; z++)
{
for (int x = 0; x < sizeX; x++)
{
Transform clone;
clone = Instantiate(chunk, transform.position + new Vector3(x, 0, z) * axisMax, transform.rotation) as Transform;
clone.parent = transform;
clone.name = "zChunk_" + clone.position.x + "_" + clone.position.y + "_" + clone.position.z;
// set offset
MarchingCubesC other = clone.gameObject.GetComponent <MarchingCubesC>();
other.offset = new Vector3(x * (size - 1), y * (size - 1), z * (size - 1));
//Debug.Log(other.offset + ", " + new Vector3(x, y, z));
counter++;
}
}
// get list of our neighbours
foreach (Transform child in transform) // Downcast notice..uh..
{
MarchingCubesC childChunk = child.gameObject.GetComponent <MarchingCubesC>();
Vector3 currentPos = child.position; ///multiplier;
// scan forward
String searchName = "zChunk_" + currentPos.x + "_" + currentPos.y + "_" + (currentPos.z + axisMax);
GameObject neighbour = GameObject.Find(searchName);
if (neighbour != null)
{
childChunk.neighbours[0] = neighbour.transform;
}
// scan forward-right
searchName = "zChunk_" + (currentPos.x + axisMax) + "_" + currentPos.y + "_" + (currentPos.z + axisMax);
neighbour = GameObject.Find(searchName);
if (neighbour != null)
{
childChunk.neighbours[1] = neighbour.transform;
}
// scan right
searchName = "zChunk_" + (currentPos.x + axisMax) + "_" + currentPos.y + "_" + currentPos.z;
neighbour = GameObject.Find(searchName);
if (neighbour != null)
{
childChunk.neighbours[2] = neighbour.transform;
}
// scan backward-right
searchName = "zChunk_" + (currentPos.x + axisMax) + "_" + currentPos.y + "_" + (currentPos.z - axisMax);
neighbour = GameObject.Find(searchName);
if (neighbour != null)
{
childChunk.neighbours[3] = neighbour.transform;
}
// scan backward
searchName = "zChunk_" + currentPos.x + "_" + currentPos.y + "_" + (currentPos.z - axisMax);
neighbour = GameObject.Find(searchName);
if (neighbour != null)
{
childChunk.neighbours[4] = neighbour.transform;
}
// scan backward-left
searchName = "zChunk_" + (currentPos.x - axisMax) + "_" + currentPos.y + "_" + (currentPos.z - axisMax);
neighbour = GameObject.Find(searchName);
if (neighbour != null)
{
childChunk.neighbours[5] = neighbour.transform;
}
// scan left
searchName = "zChunk_" + (currentPos.x - axisMax) + "_" + currentPos.y + "_" + currentPos.z;
neighbour = GameObject.Find(searchName);
if (neighbour != null)
{
childChunk.neighbours[6] = neighbour.transform;
}
// scan forward-left
searchName = "zChunk_" + (currentPos.x - axisMax) + "_" + currentPos.y + "_" + (currentPos.z + axisMax);
neighbour = GameObject.Find(searchName);
if (neighbour != null)
{
childChunk.neighbours[7] = neighbour.transform;
}
}
}
void Update()
{
// add block .. with mouseclick
if (Input.GetMouseButton(0)) // button is held down
{
// TODO: layermask for ray, hit only terrain
Ray ray = Camera.main.ScreenPointToRay(Input.mousePosition);
RaycastHit hit;
if (Physics.Raycast(ray, out hit, 9999))
{
lastHit = hit.point;
// get object reference
Transform chunk = hit.transform;
Vector3 localhit = chunk.InverseTransformPoint(lastHit);
int hx = (int)(localhit.x / multiplier);
int hy = (int)(localhit.y / multiplier); // -0.2 is temporary fix for clicking top plane and getting too big values..
int hz = (int)(localhit.z / multiplier);
infoText.text = "Name:" + chunk.name + " Hit:" + hx + "," + hy + "," + hz;
// show laser
lineRenderer.SetPosition(0, Camera.main.transform.position + new Vector3(0, -1, 0));
lineRenderer.SetPosition(1, lastHit);
MarchingCubesC editChunk = chunk.gameObject.GetComponent <MarchingCubesC>();
MarchingCubesC targetChunk;
float modifyPower = 0;
if (Input.GetKey(KeyCode.LeftShift)) // shift pressed, remove
{
modifyPower = removeStrength;
}
else
{ // add
modifyPower = addStrength;
}
editChunk.ModifyChunkAdd(hx + size * hy + size2 * hz, modifyPower);
editChunk.UpdateChunk();
// check diagonals and other neighbours (if we need to affect them)
if (hx == border.x && hz == border.z) // modify to forward right
{
if (editChunk.neighbours[1] != null)
{
targetChunk = editChunk.neighbours[1].gameObject.GetComponent <MarchingCubesC>();
targetChunk.ModifyChunkAdd(0 + size * hy + size2 * 0, modifyPower);
targetChunk.UpdateChunk();
}
}
if (hx == border.x && hz == 0) // modify to back right
{
if (editChunk.neighbours[3] != null)
{
targetChunk = editChunk.neighbours[3].gameObject.GetComponent <MarchingCubesC>();
targetChunk.ModifyChunkAdd((int)(0 + size * hy + size2 * border.z), modifyPower);
targetChunk.UpdateChunk();
}
}
if (hx == 0 && hz == 0) // modify to back left
{
if (editChunk.neighbours[5] != null)
{
targetChunk = editChunk.neighbours[5].gameObject.GetComponent <MarchingCubesC>();
targetChunk.ModifyChunkAdd((int)(border.x + size * hy + size2 * border.z), modifyPower);
targetChunk.UpdateChunk();
}
}
if (hx == 0 && hz == border.z) // modify to forward left
{
if (editChunk.neighbours[7] != null)
{
targetChunk = editChunk.neighbours[7].gameObject.GetComponent <MarchingCubesC>();
targetChunk.ModifyChunkAdd((int)(border.x + size * hy + size2 * 0), modifyPower);
targetChunk.UpdateChunk();
}
}
if (hx == border.x) // modify to RIGHT
{
if (editChunk.neighbours[2] != null)
{
targetChunk = editChunk.neighbours[2].gameObject.GetComponent <MarchingCubesC>();
targetChunk.ModifyChunkAdd((int)(0 + size * hy + size2 * hz), modifyPower);
targetChunk.UpdateChunk();
}
}
if (hx == 0) // modify to LEFT
{
if (editChunk.neighbours[6] != null)
{
targetChunk = editChunk.neighbours[6].gameObject.GetComponent <MarchingCubesC>();
targetChunk.ModifyChunkAdd((int)(border.x + size * hy + size2 * hz), modifyPower);
targetChunk.UpdateChunk();
}
}
if (hz == border.z) // modify to forward
{
if (editChunk.neighbours[0] != null)
{
targetChunk = editChunk.neighbours[0].gameObject.GetComponent <MarchingCubesC>();
targetChunk.ModifyChunkAdd((int)(hx + size * hy + size2 * 0), modifyPower);
targetChunk.UpdateChunk();
}
}
if (hz == 0) // modify to backward
{
if (editChunk.neighbours[4] != null)
{
targetChunk = editChunk.neighbours[4].gameObject.GetComponent <MarchingCubesC>();
targetChunk.ModifyChunkAdd((int)(hx + size * hy + size2 * border.z), modifyPower);
targetChunk.UpdateChunk();
}
}
}
}
if (Input.GetMouseButtonUp(0)) // button released
{
lineRenderer.SetPosition(0, Camera.main.transform.position);
lineRenderer.SetPosition(1, Camera.main.transform.position);
}
if (Input.GetKey("r")) // reset scene
{
Application.LoadLevel(0);
}
}
