void Update()
{
ManageInputState();
if (!inputLocked)
{
if (Input.GetMouseButtonDown(0))
{
RaycastHit hit;
Ray ray = Camera.main.ScreenPointToRay(Input.mousePosition);
// if you clicked an empty space, activate the camera
if (!Physics.Raycast(ray, out hit))
{
inputState = InputState.Camera;
}
else
{
GameObject cube = hit.transform.gameObject;
UpdateSelectedCubeArray(cube);
if (selectedCubes.Count == 2)
{
// are these cubes right next to each other?
if (MasterGrid.CubesAreAdjacent(selectedCubes[0], selectedCubes[1]))
{
StartMove();
}
else
{
CancelSelectedCubes();
}
}
}
}
else if (Input.GetMouseButtonUp(0))
{
inputState = InputState.Game;
}
}
else
{
if (!AnyCubeIsMoving() && selectedCubes.Count > 0)
{
GameObject cube1 = selectedCubes[0];
GameObject cube2 = selectedCubes[1];
lastMovedCubes = selectedCubes;
selectedCubes = new List <GameObject>();
MasterGrid.UpdateSelectedCubePositions(cube1, cube2);
StartCoroutine(TriggerCubeDeletionChain(new List <GameObject> {
cube1, cube2
}, true));
}
else if (!AnyCubeIsMoving())
{
inputLocked = false;
}
}
}
private IEnumerator TriggerCubeDeletionChain(List <GameObject> cubesToTest, bool isFirstMove)
{
//grab all of the cube chains we will be checking
List <List <GameObject> > cubeChains = new List <List <GameObject> >();
foreach (GameObject cube in cubesToTest)
{
//if this cube is in an existing chain that we have, skip it.
bool cubeAlreadyInChain = false;
foreach (var chain in cubeChains)
{
foreach (var c in chain)
{
if (c.GetInstanceID() == cube.GetInstanceID())
{
cubeAlreadyInChain = true;
break;
}
}
if (cubeAlreadyInChain)
{
break;
}
}
if (cubeAlreadyInChain)
{
continue;
}
// add this unique cube chain
cubeChains.Add(MasterGrid.GetColorChain(cube));
}
Debug.Log(cubeChains.Count);
// delete the cubes in each chain that needs it
bool chainsWereDeleted = false;
foreach (List <GameObject> cubeChain in cubeChains)
{
if (CubeChainShouldDelete(cubeChain))
{
chainsWereDeleted = true;
foreach (GameObject c in cubeChain)
{
// does this need a null check?
DestroyImmediate(c.gameObject);
}
}
}
// if any cubes were removed, we need to clean the grid of null values
// and update "floating" cubes to their new positions and make them fall.
if (chainsWereDeleted)
{
MasterGrid.Clean();
int highestCubeYValue = 0;
foreach (var cube in MasterGrid.GetAllCubes())
{
if (cube.GetComponent <CubeController>().GetGridPosition().y > highestCubeYValue)
{
highestCubeYValue = cube.GetComponent <CubeController>().GetGridPosition().y;
}
}
// TODO should be able to start with 1 i think 0 height cubes should never be set to fall right?
for (int i = 1; i <= highestCubeYValue; i++)
{
foreach (var cube in MasterGrid.GetAllCubes())
{
if (cube.GetComponent <CubeController>().GetGridPosition().y == i)
{
int cubesBelow = MasterGrid.GetCubesBelow(cube);
if (cube.GetComponent <CubeController>().GetGridPosition().y != cubesBelow)
{
cube.GetComponent <CubeController>().UpdateGridY(cubesBelow);
cube.GetComponent <CubeController>().SetFalling();
}
}
}
}
yield return(new WaitUntil(() => AnyCubeIsMoving() == false));
Debug.Log("freedom!");
// recursion!
StartCoroutine(TriggerCubeDeletionChain(MasterGrid.GetAllCubes(), false));
}
else if (isFirstMove)
{
MoveCubesBack();
yield return(new WaitUntil(() => AnyCubeIsMoving() == false));
MasterGrid.UpdateSelectedCubePositions(lastMovedCubes[0], lastMovedCubes[1]);
lastMovedCubes = new List <GameObject>();
}
}
