void Start()
{
// Cache references
spawner = GetComponent <GemSpawner>();
destroyer = GetComponent <GemDestroyer>();
myCollider = GetComponent <Collider2D>();
container = GameObject.Find("Gem Container").transform;
audioSource = GetComponent <AudioSource>();
// Initialize lists and arrays
gemTable = new int[COL_NUM, ROW_NUM];
gemColumns = new List <Gem> [COL_NUM];
for (int x = 0; x < COL_NUM; x++)
{
gemColumns[x] = new List <Gem>();
}
// Fill board with gems
spawner.SpawnGems(true);
// Break possible matches
gemsToDestroy = MatchLib.CheckMatches(gemTable);
// And keep doing so until there are no matches left
while (gemsToDestroy.Count > 0)
{
destroyer.DestroyGems(true);
spawner.SpawnGems(true);
gemsToDestroy = MatchLib.CheckMatches(gemTable);
}
// Make sure there are possible moves for the player and no unbroken matches
if (!MatchLib.MovementIsPossible(gemTable))
{
MatchLib.Shuffle(gemColumns, gemTable);
}
// Disable collider
myCollider.enabled = false;
}
// Hierarchy of actions: only one action per update: one gem breaking or one gem spawning
void Update()
{
// Check if can update something in this frame
if (dontUpdate)
{
// Reset flag
dontUpdate = false;
// Don't allow players to input
myCollider.enabled = true;
return;
}
// Needs to break gems
if (gemsToDestroy.Count > 0)
{
// Check if a new move was made
if (moveMade)
{
// Clear flag
moveMade = false;
// Disable player input by putting a collider in front of the gems
myCollider.enabled = true;
// Reset combo counter
comboCounter = 0;
}
// Update combo counter
comboCounter++;
// Destroy gems and get the points
int score = destroyer.DestroyGems() * basePoints * comboCounter;
gemsToDestroy.Clear();
// Make score effects
audioSource.PlayOneShot(destroySound);
if (scorePF)
{
ScoreEffect effect = Instantiate(
scorePF,
transform.position + Vector3.up * ROW_NUM * .6f,
Quaternion.identity
).GetComponent <ScoreEffect>();
effect.SetScore(score);
effect.transform.SetParent(transform);
}
// Add points to total
totalScore += score;
// Flag to move and spawn gems
needToSpawnGems = true;
}
// Needs to move and spawn gems
else if (needToSpawnGems)
{
// Clear flag
needToSpawnGems = false;
spawner.SpawnGems();
// Check if more matches were made
gemsToDestroy = MatchLib.CheckMatches(gemTable);
// If not, check if new moves are possible
if (gemsToDestroy.Count == 0 && !MatchLib.MovementIsPossible(gemTable))
{
// Shuffle until a new board with possible moves and no matches is made
MatchLib.Shuffle(gemColumns, gemTable);
}
}
// Else, nothing is happening. Allow player Input
else
{
myCollider.enabled = false;
}
}
public GemSelect Select(Gem gem)
{
// Is this the first gem selected?
if (!gem1)
{
// Mark this gem
gem1 = gem;
// Play selection sound
audioSource.PlayOneShot(selectSound);
return(GemSelect.Select);
}
// Is it the same as the first one?
if (gem1 == gem)
{
// De-select the gem
gem1 = null;
// Play selection sound
audioSource.PlayOneShot(selectSound);
return(GemSelect.Deselect);
}
// Are the gems adjacent? (i.e. distance = 1 < sqrt(2))
if (Vector2.Distance(gem1.transform.localPosition, gem.transform.localPosition) > 1.1f)
{
// Unmark gem 1
gem1.SetNotSelected();
gem1 = null;
// Play selection sound
audioSource.PlayOneShot(selectSound);
return(GemSelect.NotValid);
}
// Check validity of second gem selected
gem2 = gem;
// Get a copy of the table of gem types
int[,] table = board.GetTableCopy();
// Swap gems and check validity
int x1, y1, x2, y2;
x1 = gem1.GetCol();
y1 = gem1.GetRow();
x2 = gem2.GetCol();
y2 = gem2.GetRow();
table[x1, y1] = gem2.GetGemType();
table[x2, y2] = gem1.GetGemType();
// Check if this move makes a match
List <int[]> matches = MatchLib.CheckMatches(table);
if (matches.Count > 0)
{
// Swap gem positions
gem1.MoveToCoordinate(x2, y2);
gem2.MoveToCoordinate(x1, y1);
// Swap gem positions in the board manager's tables
board.SwapGems(x1, y1, x2, y2);
// Pass on the list of matched gems
board.SetGemsToDestroy(matches);
// Notify gem1 to set the color back to normal
gem1.SetNotSelected();
// Unmark gems
gem1 = null;
gem2 = null;
// Play no sound, the board will play the destroy sound next
return(GemSelect.Valid);
}
// else
// Just change the first gem's color and unmark them
gem1.SetNotSelected();
// Unmark gems
gem1 = null;
gem2 = null;
// Play selection sound
audioSource.PlayOneShot(selectSound);
return(GemSelect.NotValid);
}