public void FallGemsIntoEmptyPositions()
{
for (int x = 0; x < gridWidth; x++)
{
for (int y = 0; y < gridHeight; y++)
{
GemGridPosition gemGridPosition = grid.GetGridObject(x, y);
if (!gemGridPosition.IsEmpty())
{
// Grid Position has Gem
for (int i = y - 1; i >= 0; i--)
{
GemGridPosition nextGemGridPosition = grid.GetGridObject(x, i);
if (nextGemGridPosition.IsEmpty())
{
gemGridPosition.GetGemGrid().SetGemXY(x, i);
nextGemGridPosition.SetGemGrid(gemGridPosition.GetGemGrid());
gemGridPosition.ClearGemGrid();
gemGridPosition = nextGemGridPosition;
}
else
{
// Next Grid Position is not empty, stop looking
break;
}
}
}
}
}
}
public bool TryFindMatchesAndDestroyThem()
{
List <List <GemGridPosition> > allLinkedGemGridPositionList = GetAllMatch3Links();
bool foundMatch = false;
List <Vector2Int> explosionGridPositionList = new List <Vector2Int>();
foreach (List <GemGridPosition> linkedGemGridPositionList in allLinkedGemGridPositionList)
{
foreach (GemGridPosition gemGridPosition in linkedGemGridPositionList)
{
TryDestroyGemGridPosition(gemGridPosition);
}
if (linkedGemGridPositionList.Count >= 4)
{
// More than 4 linked
score += 200;
// Special Explosion Gem
GemGridPosition explosionOriginGemGridPosition = linkedGemGridPositionList[0];
int explosionX = explosionOriginGemGridPosition.GetX();
int explosionY = explosionOriginGemGridPosition.GetY();
// Explode all 8 neighbours
explosionGridPositionList.Add(new Vector2Int(explosionX - 1, explosionY - 1));
explosionGridPositionList.Add(new Vector2Int(explosionX + 0, explosionY - 1));
explosionGridPositionList.Add(new Vector2Int(explosionX + 1, explosionY - 1));
explosionGridPositionList.Add(new Vector2Int(explosionX - 1, explosionY + 0));
explosionGridPositionList.Add(new Vector2Int(explosionX + 1, explosionY + 0));
explosionGridPositionList.Add(new Vector2Int(explosionX - 1, explosionY + 1));
explosionGridPositionList.Add(new Vector2Int(explosionX + 0, explosionY + 1));
explosionGridPositionList.Add(new Vector2Int(explosionX + 1, explosionY + 1));
}
foundMatch = true;
}
bool spawnExplosion = match4Explosions;
if (spawnExplosion)
{
foreach (Vector2Int explosionGridPosition in explosionGridPositionList)
{
if (IsValidPosition(explosionGridPosition.x, explosionGridPosition.y))
{
GemGridPosition gemGridPosition = grid.GetGridObject(explosionGridPosition.x, explosionGridPosition.y);
TryDestroyGemGridPosition(gemGridPosition);
}
}
}
OnScoreChanged?.Invoke(this, EventArgs.Empty);
return(foundMatch);
}
private GemSO GetGemSO(int x, int y)
{
if (!IsValidPosition(x, y))
{
return(null);
}
GemGridPosition gemGridPosition = grid.GetGridObject(x, y);
if (gemGridPosition.GetGemGrid() == null)
{
return(null);
}
return(gemGridPosition.GetGemGrid().GetGem());
}
public int GetGlassAmount()
{
int glassAmount = 0;
for (int x = 0; x < gridWidth; x++)
{
for (int y = 0; y < gridHeight; y++)
{
GemGridPosition gemGridPosition = grid.GetGridObject(x, y);
if (gemGridPosition.HasGlass())
{
glassAmount++;
}
}
}
return(glassAmount);
}
private void TryDestroyGemGridPosition(GemGridPosition gemGridPosition)
{
if (gemGridPosition.HasGemGrid())
{
score += 100;
gemGridPosition.DestroyGem();
OnGemGridPositionDestroyed?.Invoke(gemGridPosition, EventArgs.Empty);
gemGridPosition.ClearGemGrid();
}
if (gemGridPosition.HasGlass())
{
score += 100;
gemGridPosition.DestroyGlass();
OnGlassDestroyed?.Invoke(this, EventArgs.Empty);
}
}
public void SwapGridPositions(int startX, int startY, int endX, int endY)
{
if (!IsValidPosition(startX, startY) || !IsValidPosition(endX, endY))
{
return; // Invalid Position
}
if (startX == endX && startY == endY)
{
return; // Same Position
}
GemGridPosition startGemGridPosition = grid.GetGridObject(startX, startY);
GemGridPosition endGemGridPosition = grid.GetGridObject(endX, endY);
GemGrid startGemGrid = startGemGridPosition.GetGemGrid();
GemGrid endGemGrid = endGemGridPosition.GetGemGrid();
startGemGrid.SetGemXY(endX, endY);
endGemGrid.SetGemXY(startX, startY);
startGemGridPosition.SetGemGrid(endGemGrid);
endGemGridPosition.SetGemGrid(startGemGrid);
}
public void SpawnNewMissingGridPositions()
{
for (int x = 0; x < gridWidth; x++)
{
for (int y = 0; y < gridHeight; y++)
{
GemGridPosition gemGridPosition = grid.GetGridObject(x, y);
if (gemGridPosition.IsEmpty())
{
GemSO gem = levelSO.gemList[UnityEngine.Random.Range(0, levelSO.gemList.Count)];
GemGrid gemGrid = new GemGrid(gem, x, y);
gemGridPosition.SetGemGrid(gemGrid);
OnNewGemGridSpawned?.Invoke(gemGrid, new OnNewGemGridSpawnedEventArgs {
gemGrid = gemGrid,
gemGridPosition = gemGridPosition,
});
}
}
}
}
public bool HasGlass(int x, int y)
{
GemGridPosition gemGridPosition = grid.GetGridObject(x, y);
return(gemGridPosition.HasGlass());
}
public GemGridPosition GetGemGridPosition(int x, int y)
{
GemGridPosition gemGridPosition = grid.GetGridObject(x, y);
return(gemGridPosition);
}
