private ST_PuzzleTileHyper CheckIfWeCanMove(int Xpos, int Ypos, ST_PuzzleTileHyper thisTile)
{
// check each movement direction
if (CheckMoveLeft(Xpos, Ypos, thisTile) != thisTile)
{
return(CheckMoveLeft(Xpos, Ypos, thisTile));
}
if (CheckMoveRight(Xpos, Ypos, thisTile) != thisTile)
{
return(CheckMoveRight(Xpos, Ypos, thisTile));
}
if (CheckMoveDown(Xpos, Ypos, thisTile) != thisTile)
{
return(CheckMoveDown(Xpos, Ypos, thisTile));
}
if (CheckMoveUp(Xpos, Ypos, thisTile) != thisTile)
{
return(CheckMoveUp(Xpos, Ypos, thisTile));
}
return(thisTile);
}
public Vector3 GetTargetLocation(ST_PuzzleTileHyper thisTile)
{
// check if we can move this tile and get the position we can move to.
ST_PuzzleTileHyper MoveTo = CheckIfWeCanMove((int)thisTile.GridLocation.x, (int)thisTile.GridLocation.y, thisTile);
if (MoveTo != thisTile)
{
// get the target position for this new tile.
Vector3 TargetPos = MoveTo.TargetPosition;
Vector2 GridLocation = thisTile.GridLocation;
thisTile.GridLocation = MoveTo.GridLocation;
// move the empty tile into this tiles current position.
MoveTo.LaunchPositionCoroutine(thisTile.TargetPosition);
MoveTo.GridLocation = GridLocation;
if (countMoves)
{
moveCounter++;
if (MovesCounterDisplay != null)
{
MovesCounterDisplay.text = moveCounter.ToString();
}
}
// return the new target position.
return(TargetPos);
}
// else return the tiles actual position (no movement).
return(thisTile.TargetPosition);
}
private ST_PuzzleTileHyper CheckMoveUp(int Xpos, int Ypos, ST_PuzzleTileHyper thisTile)
{
// move up
if ((Ypos + 1) < Height)
{
// we can move up, is the space currently being used?
return(GetTileAtThisGridLocation(Xpos, Ypos + 1, thisTile));
}
return(thisTile);
}
private ST_PuzzleTileHyper CheckMoveDown(int Xpos, int Ypos, ST_PuzzleTileHyper thisTile)
{
// move down
if ((Ypos - 1) >= 0)
{
// we can move down, is the space currently being used?
return(GetTileAtThisGridLocation(Xpos, Ypos - 1, thisTile));
}
return(thisTile);
}
private ST_PuzzleTileHyper CheckMoveRight(int Xpos, int Ypos, ST_PuzzleTileHyper thisTile)
{
// move right
if ((Xpos + 1) < Width)
{
// we can move right, is the space currently being used?
return(GetTileAtThisGridLocation(Xpos + 1, Ypos, thisTile));
}
return(thisTile);
}
private ST_PuzzleTileHyper GetTileAtThisGridLocation(int x, int y, ST_PuzzleTileHyper thisTile)
{
for (int j = Height - 1; j >= 0; j--)
{
for (int i = 0; i < Width; i++)
{
// check if this tile has the correct grid display location.
if ((TileDisplayArray[i, j].GetComponent <ST_PuzzleTileHyper>().GridLocation.x == x) &&
(TileDisplayArray[i, j].GetComponent <ST_PuzzleTileHyper>().GridLocation.y == y))
{
if (TileDisplayArray[i, j].GetComponent <ST_PuzzleTileHyper>().Active == false)
{
// return this tile active property.
return(TileDisplayArray[i, j].GetComponent <ST_PuzzleTileHyper>());
}
}
}
}
return(thisTile);
}
// Randomize a 2D array.
private IEnumerator randomize()
{
//don't count these moves for the user
countMoves = false;
//yield return new WaitForSeconds(2.0f);
// hide a puzzle tile (one is always missing to allow the puzzle movement).
TileDisplayArray[Random.Range(0, Width), Random.Range(0, Height)].GetComponent <ST_PuzzleTileHyper>().Active = false;
// Get the dimensions.
int num_rows = TileDisplayArray.GetUpperBound(0) + 1;
int num_cols = TileDisplayArray.GetUpperBound(1) + 1;
int num_cells = num_rows * num_cols;
for (int x = 0; x < num_cells * 2; x++)
{
// Randomize the array.
System.Random rand = new System.Random();
for (int i = 0; i < num_cells - 1; i++)
{
// Pick a random cell between i and the end of the array.
int j = rand.Next(i, num_cells);
// Convert to row/column indexes.
int row_i = i / num_cols;
int col_i = i % num_cols;
int row_j = j / num_cols;
int col_j = j % num_cols;
// Swap cells i and j.
ST_PuzzleTileHyper thisTile1 = TileDisplayArray[row_i, col_i].GetComponent <ST_PuzzleTileHyper>();
ST_PuzzleTileHyper thisTile2 = TileDisplayArray[row_j, col_j].GetComponent <ST_PuzzleTileHyper>();
//Vector2 tempArrayLocation1 = thisTile1.ArrayLocation;
//Vector2 tempGridLocation1 = thisTile1.GridLocation;
//Vector3 localPosition = thisTile1.transform.localPosition;
thisTile1.ExecuteAdditionalMove(40f);
thisTile2.ExecuteAdditionalMove(40f);
yield return(new WaitForSeconds(0.0001f));
//thisTile1.transform.localPosition = thisTile2.transform.localPosition;
//thisTile2.transform.localPosition = localPosition;
//thisTile1.ArrayLocation = thisTile2.ArrayLocation;
//thisTile1.GridLocation = thisTile2.GridLocation;
//thisTile2.ArrayLocation = tempArrayLocation1;
//thisTile2.GridLocation = tempGridLocation1;
//GameObject tempTile1 = TileDisplayArray[row_i, col_i];
//TileDisplayArray[row_i, col_i] = TileDisplayArray[row_j, col_j];
//TileDisplayArray[row_j, col_j] = tempTile1;
//thisTile1.LaunchPositionCoroutine(thisTile2.transform.localPosition);
//thisTile2.LaunchPositionCoroutine(localPosition);
}
}
Complete = false;
moveCounter = 0;
countMoves = true;
MovesCounterDisplay.text = "0";
// continually check for the correct answer.
StartCoroutine(CheckForComplete());
gameStarted = true;
startTime = Time.time;
yield return(null);
}
private void CreatePuzzleTiles(int newPuzzleIndex)
{
// using the width and height variables create an array.
TileDisplayArray = new GameObject[Width, Height];
// set the scale and position values for this puzzle.
Scale = new Vector3(1.0f / Width, 1.0f, 1.0f / Height);
Tile.transform.localScale = Scale;
// used to count the number of tiles and assign each tile a correct value.
int TileValue = 0;
//currentPuzzleImageIndex = Random.Range(0, PuzzleImages.Length - 1);
currentPuzzleImageIndex = newPuzzleIndex;
Texture puzzleImage = PuzzleImages[newPuzzleIndex];
// spawn the tiles into an array.
for (int j = Height - 1; j >= 0; j--)
{
for (int i = 0; i < Width; i++)
{
// calculate the position of this tile all centred around Vector3(0.0f, 0.0f, 0.0f).
Position = new Vector3(((Scale.x * (i + 0.5f)) - (Scale.x * (Width / 2.0f))) * (10.0f + SeperationBetweenTiles),
0.0f,
((Scale.z * (j + 0.5f)) - (Scale.z * (Height / 2.0f))) * (10.0f + SeperationBetweenTiles));
// set this location on the display grid.
DisplayPositions.Add(Position);
// spawn the object into play.
TileDisplayArray[i, j] = Instantiate(Tile, new Vector3(0.0f, 0.0f, 0.0f), Quaternion.Euler(90.0f, -180.0f, 0.0f)) as GameObject;
TileDisplayArray[i, j].gameObject.transform.parent = this.transform;
// set and increment the display number counter.
ST_PuzzleTileHyper thisTile = TileDisplayArray[i, j].GetComponent <ST_PuzzleTileHyper>();
thisTile.ArrayLocation = new Vector2(i, j);
thisTile.GridLocation = new Vector2(i, j);
thisTile.LaunchPositionCoroutine(Position);
TileValue++;
// create a new material using the defined shader.
Material thisTileMaterial = new Material(PuzzleShader);
// apply the puzzle image to it.
thisTileMaterial.mainTexture = puzzleImage;
// set the offset and tile values for this material.
thisTileMaterial.mainTextureOffset = new Vector2(1.0f / Width * i, 1.0f / Height * j);
thisTileMaterial.mainTextureScale = new Vector2(1.0f / Width, 1.0f / Height);
// assign the new material to this tile for display.
TileDisplayArray[i, j].GetComponent <Renderer>().material = thisTileMaterial;
}
}
/*
* // Enable an impossible puzzle for fun!
* // switch the second and third grid location textures.
* Material thisTileMaterial2 = TileDisplayArray[1,3].GetComponent<Renderer>().material;
* Material thisTileMaterial3 = TileDisplayArray[2,3].GetComponent<Renderer>().material;
* TileDisplayArray[1,3].GetComponent<Renderer>().material = thisTileMaterial3;
* TileDisplayArray[2,3].GetComponent<Renderer>().material = thisTileMaterial2;
*/
}
