private void NewGame()
{
state = new Case[4][];
for (int i = 0; i < state.Length; i++)
{
state[i] = new Case[4];
}
for (int i = 0; i < 2; i++)
{
GenerateNewUniqueCase();
}
}
private void GenerateNewUniqueCase()
{
List<int[]> vides = new List<int[]>();
for (int y = 0; y < state.Length; y++)
{
for (int x = 0; x < state[y].Length; x++)
{
if (state[y][x] == null)
{
vides.Add(new int[] { y, x });
}
}
}
int[] chosenOne = vides[rand.Next(vides.Count)];
state[chosenOne[0]][chosenOne[1]] = new Case(rand);
}
private bool ProcessDown()
{
bool toReturn = false;
Case[] toSend;
for (int i = 0; i < 4; i++)
{
toSend = new Case[4];
for (int j = 0; j < 4; j++)
{
toSend[j] = state[j][i];
}
toReturn |= ProcessIt(toSend);
for (int j = 0; j < 4; j++)
{
state[j][i] = toSend[3 - j];
}
}
return toReturn;
}
private bool ProcessIt(Case[] p, bool aLenvers = false)
{
List<Case> list = new List<Case>();
bool nothing = true;
if (aLenvers)
{
for (int i = 3; i >= 0; i--)
{
var item = p[i];
if (item != null)
{
list.Add(item);
nothing = false;
}
}
}
else
{
foreach (var item in p)
{
if (item != null)
{
list.Add(item);
nothing = false;
}
}
}
if (nothing)
{
return false;
}
int index = 0;
Case[] toApply = new Case[4];
while (list.Count > 1)
{
Case first = list[list.Count - 1];
Case second = list[list.Count - 2];
if (first.Value == second.Value)
{
toApply[index] = new Case(first.Value + second.Value);
index++;
list.Remove(first);
list.Remove(second);
}
else
{
toApply[index] = new Case(first.Value);
index++;
list.Remove(first);
}
}
if (list.Count == 1)
{
toApply[index] = new Case(list[list.Count - 1].Value);
index++;
}
bool toReturn = false;
for (int i = 0; i < p.Length; i++)
{
if (toApply[i] != null && p[i] != null && p[i].Value != toApply[i].Value)
{
toReturn = true;
}
p[i] = toApply[i];
}
return toReturn;
}