/// <summary>
/// Recreates the view of game board according the current state of game logic.
/// Called only by NewGame().
/// </summary>
void RefreshBoard()
{
// Destroy old items.
foreach (Transform child in transform)
{
Destroy(child.gameObject);
}
// GameObject is not set to null immediately.
possibleHighlightObj = null;
// Create new items.
for (int y = 0; y < boardSizeY; y++)
{
for (int x = 0; x < boardSizeX; x++)
{
CreateBoardItem(x, y);
}
}
// Show possible move.
ArrayList possibleMoves = match3.GetPossibleMoves();
Match3.Point p = possibleMoves[Random.Range(0, possibleMoves.Count)] as Match3.Point;
ShowPossibleMove(p.x, p.y);
gameState = GameState.Idle;
}
/// <summary>
/// Performs game update and touch and mouse input.
/// </summary>
void Update()
{
// Back button.
if (Input.GetKeyDown(KeyCode.Escape))
{
Application.Quit();
}
// Wait for all animations to finish - TODO optimize.
if (!ItemsIdle())
{
return;
}
// ------ Game Update -------
switch (gameState)
{
// Check if move has been valid.
case GameState.MoveCheck:
if (match3.CheckMove(selObj1.X, selObj1.Y, selObj2.X, selObj2.Y))
{
// Move has been valid, swap objects (animation has only changed real positions).
SwapObjects(selObj1, selObj2, false);
possibleHighlightObj.renderer.enabled = false;
gameState = GameState.MatchOrPossibleGet;
}
else
{
// Move hasn't been valid, animate items back.
selObj1.AnimateMove(selObj2.transform.position, swapAnimSpeed);
selObj2.AnimateMove(selObj1.transform.position, swapAnimSpeed);
gameState = GameState.Idle;
}
// Clear selection.
selObj1 = null;
selObj2 = null;
break;
// Get matches or possible moves (and check for game over).
case GameState.MatchOrPossibleGet:
// Get matches.
ArrayList matches = match3.GetMatches();
if (matches.Count == 0)
{
// No matches found, check for possible moves.
ArrayList possibleMoves = match3.GetPossibleMoves();
if (possibleMoves.Count > 0)
{
// There are some possible moves, highlight one of them (by random).
Match3.Point p = possibleMoves[Random.Range(0, possibleMoves.Count)] as Match3.Point;
ShowPossibleMove(p.x, p.y);
gameState = GameState.Idle;
}
else
{
// No possible moves found, game is over.
gameState = GameState.GameOver;
}
}
else
{
// Matches found.
foreach (ArrayList match in matches)
{
foreach (Match3.Point p in match)
{
// Animate destroy of matched items.
boardAll[p.x, p.y].AnimateDestroy(destroyAnimSpeed);
}
}
gameState = GameState.ItemGenerateAndDrop;
}
break;
// Generate new items and perform drop.
case GameState.ItemGenerateAndDrop:
// Get drop swaps of existing items.
ArrayList dropSwaps = match3.GetDropSwaps();
// Begin drop animations and swap items data.
foreach (Match3.Point[] p in dropSwaps)
{
BoardItem bi1 = boardAll[p[0].x, p[0].y];
BoardItem bi2 = boardAll[p[1].x, p[1].y];
bi1.AnimateMove(GetPosOnBoard(p[1].x, p[1].y), dropAnimSpeed);
SwapObjects(bi1, bi2, false); // Swap without positions.
}
// Get positions of destroyed items (already dropped) and generate new ones.
ArrayList destroyed = match3.GetDestroyedItemsAndGenerateNew();
int lastX = -1, firstDestroyedY = -1;
// Destroy old items, create new ones (above the board) and begin drop animations of them.
foreach (Match3.Point p in destroyed)
{
Destroy(boardAll[p.x, p.y].gameObject);
// Get y-coord where to put new items above the board (array is sorted,
// going through every column from left to right, bottom to top.
if (p.x != lastX)
{
// New column.
firstDestroyedY = p.y;
lastX = p.x;
}
// Create item with adjusted y-position.
BoardItem clone = CreateBoardItem(p.x, p.y, 0, boardSizeY - firstDestroyedY);
// Begin move animation to the right position.
clone.AnimateMove(GetPosOnBoard(p.x, p.y), dropAnimSpeed);
}
// Check for the new matches.
gameState = GameState.MatchOrPossibleGet;
break;
}
// ----------- Input ----------
// Touch input.
if (Input.touchCount == 1)
{
Touch touch = Input.GetTouch(0);
switch (touch.phase)
{
case TouchPhase.Began:
MyMouseDown(touch.position);
break;
case TouchPhase.Moved:
MyMouseMove(touch.position);
break;
case TouchPhase.Ended:
case TouchPhase.Canceled:
MyMouseUp(touch.position);
break;
}
}
// Mouse input.
else
{
if (Input.GetMouseButtonDown(0))
{
MyMouseDown(Input.mousePosition);
}
else if (Input.GetAxis("Mouse X") != 0 || Input.GetAxis("Mouse Y") != 0)
{
MyMouseMove(Input.mousePosition);
}
else if (Input.GetMouseButtonUp(0))
{
MyMouseUp(Input.mousePosition);
}
}
}