public override void Apply(State state, int y, int x)
{
bool enemyExist = false;
for (int i = 0; i < 4; i++)
{
int ny = y + dy[i];
int nx = x + dx[i];
if (isOutOfRange(ny, nx)) continue;
if (state.StagePlayer[ny, nx] != state.NextPlayer * -1) continue;
enemyExist = true;
int mypower = state.GetPower(y, x, i);
int enpower = state.GetPower(ny, nx, (i + 2) % 4);
if (mypower > enpower)
{
state.FlipCard(ny, nx);
}
}
if (enemyExist == false) return;
bool applyPlus = false;
int[] sum = new int[21];
for (int i = 0; i < 4; i++)
{
int ny = y + dy[i];
int nx = x + dx[i];
if (isOutOfRange(ny, nx)) continue;
if (state.StagePlayer[ny, nx] == 0) continue;
int mypower = state.GetPower(y, x, i);
int enpower = state.GetPower(ny, nx, (i + 2) % 4);
#if DEBUG
if (mypower + enpower < 2) throw new Exception("mypower + enpower < 2");
if (mypower + enpower > 20) throw new Exception("mypower + enpower > 20");
#endif
sum[mypower + enpower]++;
}
for (int i = 0; i <= 20; i++)
{
if (sum[i] >= 2) applyPlus = true;
}
if (applyPlus == false) return;
for (int i = 0; i < 4; i++)
{
int ny = y + dy[i];
int nx = x + dx[i];
if (isOutOfRange(ny, nx)) continue;
if (state.StagePlayer[ny, nx] == 0) continue;
int mypower = state.GetPower(y, x, i);
int enpower = state.GetPower(ny, nx, (i + 2) % 4);
#if DEBUG
if (mypower + enpower > 20) throw new Exception("mypower + enpower > 20");
#endif
if (sum[mypower + enpower] < 2) continue;
if (state.StagePlayer[ny, nx] == state.NextPlayer * -1)
{
state.FlipCard(ny, nx);
}
for (int j = 0; j < 4; j++)
{
int my = ny + dy[i];
int mx = nx + dx[i];
if (isOutOfRange(my, mx)) continue;
if (state.StagePlayer[my, mx] != state.NextPlayer * -1) continue;
int mypower2 = state.GetPower(ny, nx, j);
int enpower2 = state.GetPower(my, mx, (j + 2) % 4);
if (mypower2 > enpower2)
{
state.FlipCard(my, mx);
}
}
}
}
