/// <summary>
/// Creates a MoveStep.
/// </summary>
/// <param name="moves">Moves for this step</param>
/// <param name="time">Maximum time to complete the step (a Gem drops from top to bottom of the field)</param>
public MoveStep(GemMove[] moves, float time)
{
this.moves = moves;
this.time = time;
}
/// <summary>
/// Bring all gems down.
/// </summary>
/// <param name="updateHorizontalArray">Update horizontal array.</param>
private GemMove[] FallingDown(int[] updateHorizontalArray)
{
int width = updateHorizontalArray.Length;
List<IntVector2> fallingBlocksStart = new List<IntVector2>();
List<IntVector2> fallingBlocksSEnd = new List<IntVector2>();
for(int x = 0; x < width; x++){
bool firstRun = true;
if(updateHorizontalArray[x] !=-1){
// this column needs an update
int currentY = updateHorizontalArray[x];
bool somethingToMove = true;
while(currentY > -1 && somethingToMove){
somethingToMove = false;
//if there is a item now we can start one item up
if(level.GetItem(new IntVector2(x,currentY)) != null){
currentY--;
}
// if there is space bring them all one down
for(int y = currentY-1; y >= 0; y--){
IntVector2 currentXY = new IntVector2(x,y+1);
IntVector2 currentXYTop = new IntVector2(x,y);
if(level.GetItem(currentXY) == null){
level.SetItem(currentXY, level.GetItem(currentXYTop));
if(level.GetItem(currentXYTop) != null){
if(firstRun){
fallingBlocksStart.Add(currentXYTop);
fallingBlocksSEnd.Add(currentXY);
}else{
int pos = fallingBlocksSEnd.IndexOf(currentXYTop);
if(pos != -1){
fallingBlocksSEnd[pos] = currentXY;
}else{
string s = "try to move a not found object?\n";
s += "Look for "+currentXYTop+"\n";
for(int i = 0; i < fallingBlocksSEnd.Count; i++)
s+= fallingBlocksSEnd[i].ToString() + ", ";
Debug.LogWarning(s);
}
}
}
level.SetItem(currentXYTop, null);
}
}
//if there are items over the currentY pos we need to loop more.
for(int y = currentY-1; y >= 0 && !somethingToMove; y--){
if(level.GetItem(new IntVector2(x,y+1)) != null)
somethingToMove = true;
}
firstRun = false;
}
}
}
GemMove[] fallingMoves = new GemMove[fallingBlocksStart.Count];
for(int i = 0; i < fallingMoves.Length; i++){
fallingMoves[i].from = fallingBlocksStart[i];
fallingMoves[i].to = fallingBlocksSEnd[i];
}
return fallingMoves;
}