private void RaiseField()
{
for (int y = ((int)field_height) - 1; y > 0; y--)
{
for (int x = 0; x < 6; x++)
{
m_field[x, y] = m_field[x, y - 1];
}
}
for (int x = 0; x < 6; x++)
{
m_field[x, 0] = new Block { Colour = m_below_field[x, 1] };
}
MakeBelowRow();
m_cruiser_pos.Y++;
m_fast_lifting = false;
}
public void Cycle()
{
switch (m_state)
{
case GameState.Main:
Block theblock;
freeze_lift = false;
// === 1: Process blocks involved in combos, perform lag timing ===
for (int y = 0; y < field_height; y++)
{
for (int x = 0; x < 6; x++)
{
theblock = m_field[x, y];
switch (theblock.State)
{
case BlockState.Vanishing:
case BlockState.ComboVanishing:
freeze_lift = true;
if (theblock.Parameter > 0) theblock.Parameter--;
else if (theblock.FaceTime == 1)
{
// TODO: Forward an event to draw flashy graphics & sound for a block disappearing.
theblock.FaceTime--;
}
else if (theblock.FaceTime > 0) theblock.FaceTime--;
else if (theblock.InvisTime > 0) theblock.InvisTime--;
else
{
theblock.Colour = BlockColour.Empty;
theblock.State = BlockState.Normal;
if (y < field_height - 1)
{
SetLagColumn(BlockState.ComboLag, x, y + 1, 1);
}
}
break;
case BlockState.SwitchLag:
freeze_lift = true;
if (y < 11)
{
Block b3 = m_field[x, y + 1];
if ((b3.State != BlockState.SwitchLag) && (b3.State != BlockState.ComboLag))
{
// A block has been dropped on top of a laggy block. Give it a fresh lag.
// If this falling block was energized from a combo, it stays that way.
SetLagColumn((b3.State == BlockState.ComboFall) ? BlockState.ComboLag : BlockState.SwitchLag, x, y + 1, 0);
}
}
if (theblock.Parameter > 0) theblock.Parameter--;
else
{
theblock.State = BlockState.Normal; // Set to NORMAL instead of Fall to permit ninja chaining to work.
}
break;
case BlockState.ComboLag:
freeze_lift = true;
if (y < 11)
{
Block b3 = m_field[x, y + 1];
if ((b3.State != BlockState.SwitchLag) && (b3.State != BlockState.ComboLag))
{
// A block has been dropped on top of a laggy block. Give it a fresh lag.
// If this falling block was energized from a combo, it stays that way.
SetLagColumn((b3.State == BlockState.ComboFall) ? BlockState.ComboLag : BlockState.SwitchLag, x, y + 1, 0);
}
}
if (theblock.Parameter > 0) theblock.Parameter--;
else
{
theblock.State = BlockState.ComboFall;
}
break;
}
m_field[x, y] = theblock;
}
}
// === 2: Process block falling, switching ===
for (int y = 0; y < field_height; y++)
{
for (int x = 0; x < 6; x++)
{
theblock = m_field[x, y];
switch (theblock.State)
{
case BlockState.Fall: // If a block is SEEN in this state it has landed. (Otherwise it would have slipped through the cracks)
freeze_lift = true;
if (y > 0) // there is a laggy or switching block further down the stack
{
Block lowblock = m_field[x, y - 1];
if ((lowblock.State == BlockState.SwitchLeft) || (lowblock.State == BlockState.SwitchRight) ||
(lowblock.State == BlockState.SwitchLag) || (lowblock.State == BlockState.ComboLag) ||
(lowblock.State == BlockState.Fall) || (lowblock.State == BlockState.ComboFall))
{
goto case BlockState.Normal;
}
}
theblock.State = BlockState.Normal;
theblock.Parameter = 6; // Bounce
goto case BlockState.Normal;
case BlockState.ComboFall:
freeze_lift = true;
if (y > 0) // there is a laggy or switching block further down the stack
{
Block lowblock = m_field[x, y - 1];
if ((lowblock.State == BlockState.SwitchLeft) || (lowblock.State == BlockState.SwitchRight) ||
(lowblock.State == BlockState.SwitchLag) || (lowblock.State == BlockState.ComboLag) ||
(lowblock.State == BlockState.Fall) || (lowblock.State == BlockState.ComboFall))
{
goto case BlockState.Normal;
}
}
theblock.State = BlockState.ComboLanded;
theblock.Parameter = 6; // Bounce
goto case BlockState.Normal;
case BlockState.Normal:
if (theblock.Colour == BlockColour.Empty)
{
if (y < field_height - 1)
{
Block highblock = m_field[x, y + 1];
if (((int)(highblock.Colour) > 0) && ((int)(highblock.Colour) < 8))
{
if ((highblock.State == BlockState.Normal) || (highblock.State == BlockState.Fall) || (highblock.State == BlockState.ComboFall))
{
// A block with space below it: move it down by one.
freeze_lift = true;
theblock = highblock;
if (theblock.State == BlockState.Normal) theblock.State = BlockState.Fall;
else if (theblock.State == BlockState.ComboLanded) theblock.State = BlockState.ComboFall;
m_field[x, y + 1] = new Block();
}
}
else if ((highblock.Colour == BlockColour.Garbage) || (highblock.Colour == BlockColour.ShockGarbage))
{
throw new NotImplementedException("Garbage blocks you crazy??");
}
}
}
else if ((int)(theblock.Colour) < 8)
{
if (theblock.Parameter > 0)
{
theblock.Parameter--;
}
}
else
{
throw new NotImplementedException("Garbage blocks you crazy??");
}
break;
case BlockState.SwitchLeft:
case BlockState.SwitchRight:
if (m_field[x, y + 1].State == BlockState.ComboFall)
{
Block b2 = m_field[x, y + 1];
b2.State = BlockState.ComboLag;
if (m_difficulty < Difficulty.Normal) b2.Parameter = 9;
else if (m_difficulty > Difficulty.Normal) b2.Parameter = 5;
else b2.Parameter = 7;
m_field[x, y + 1] = b2;
}
if (theblock.Parameter > 0)
{
theblock.Parameter--;
}
else
{
Block rightblock = theblock; // RightBlock: Block going TO the right.
theblock = m_field[x + 1, y]; // Has to be safe or stuff has gone horribly wrong.
theblock.State = BlockState.Normal;
rightblock.State = BlockState.Normal;
if (y > 0)
{
// Only lag the block if it's slid to over empty space.
if (m_field[x, y - 1].Colour == BlockColour.Empty)
{
theblock.State = BlockState.SwitchLag;
theblock.Parameter = LagTime();
}
if (m_field[x + 1, y - 1].Colour == BlockColour.Empty)
{
rightblock.State = BlockState.SwitchLag;
rightblock.Parameter = LagTime();
}
}
// Set lag when switching a block out of a column
if (x < 11)
{
if (theblock.Colour == BlockColour.Empty)
{
Block hiblock = m_field[x, y + 1];
hiblock.State = BlockState.SwitchLag;
hiblock.Parameter = LagTime();
m_field[x, y + 1] = hiblock;
}
else if (rightblock.Colour == BlockColour.Empty)
{
Block hiblock = m_field[x + 1, y + 1];
hiblock.State = BlockState.SwitchLag;
hiblock.Parameter = LagTime();
m_field[x + 1, y + 1] = hiblock;
}
}
m_field[x + 1, y] = rightblock;
}
break;
}
m_field[x, y] = theblock;
}
}
// === 3: Find combos ===
bool chain_active = false; // Set true if any blocks energized by combos are on the screen.
bool is_chain_combo = false; // Set true if a row of blocks found on this frame are part of a chain.
for (int y = 0; y < field_height; y++)
{
for (int x = 0; x < 6; x++)
{
theblock = m_field[x, y];
Block block1, block2;
bool chain_this_try = false;
if (((int)(theblock.Colour) > 0) && ((int)(theblock.Colour) < 8))
{
switch (theblock.State)
{
case BlockState.ComboLanded:
chain_this_try = true;
goto case BlockState.Normal;
case BlockState.VanishMarked:
case BlockState.Normal:
// 1. Horizontal check.
if (x < 4)
{
block1 = m_field[x + 1, y];
block2 = m_field[x + 2, y];
if ((block1.Colour == theblock.Colour) &&
(block2.Colour == theblock.Colour) &&
((block1.State == BlockState.Normal) ||
(block1.State == BlockState.ComboLanded) ||
(block1.State == BlockState.VanishMarked)) &&
((block2.State == BlockState.Normal) ||
(block2.State == BlockState.ComboLanded) ||
(block2.State == BlockState.VanishMarked)))
{
if ((block1.State == BlockState.ComboLanded) || (block2.State == BlockState.ComboLanded) || chain_this_try)
{
is_chain_combo = true;
chain_active = true;
}
theblock.State = BlockState.VanishMarked;
block1.State = BlockState.VanishMarked;
block2.State = BlockState.VanishMarked;
m_field[x, y] = theblock;
m_field[x + 1, y] = block1;
m_field[x + 2, y] = block2;
}
}
if (y < field_height - 3)
{
block1 = m_field[x, y + 1];
block2 = m_field[x, y + 2];
if ((block1.Colour == theblock.Colour) &&
(block2.Colour == theblock.Colour) &&
((block1.State == BlockState.Normal) ||
(block1.State == BlockState.ComboLanded) ||
(block1.State == BlockState.VanishMarked)) &&
((block2.State == BlockState.Normal) ||
(block2.State == BlockState.ComboLanded) ||
(block2.State == BlockState.VanishMarked)))
{
if ((block1.State == BlockState.ComboLanded) || (block2.State == BlockState.ComboLanded) || chain_this_try)
{
is_chain_combo = true;
chain_active = true;
}
theblock.State = BlockState.VanishMarked;
block1.State = BlockState.VanishMarked;
block2.State = BlockState.VanishMarked;
m_field[x, y] = theblock;
m_field[x, y + 1] = block1;
m_field[x, y + 2] = block2;
}
}
break;
}
}
// === 4: Chain keep-alive check ===
switch (theblock.State)
{
case BlockState.ComboFall:
case BlockState.ComboLag:
case BlockState.ComboVanishing:
chain_active = true;
break;
case BlockState.ComboLanded:
theblock.State = BlockState.Normal;
m_field[x, y] = theblock;
break;
}
}
}
// === 4: Count blocks involved in the combo on this frame ===
uint BlockCount = 0;
Point ch_pos = new Point(0, 0);
for (int y = 0; y < field_height; y++)
{
for (int x = 0; x < 6; x++)
{
if (m_field[x, y].State == BlockState.VanishMarked)
{
BlockCount++; // Maybe I can do this in the above loop but the logic is stupid
// Kind of odd. Picks the rightmost block in the topmost row and declares it the important block for this combo/chain event
// Replace with a more authentic approach.
ch_pos.X = x;
ch_pos.Y = y;
}
}
}
uint Delayer = 1;
// === 5: Set this frame's combo's blocks to the vanishing state ===
for (int y = ((int)field_height) - 1; y >= 0; y--)
{
for (int x = 0; x < 6; x++)
{
theblock = m_field[x, y];
if (theblock.State == BlockState.VanishMarked)
{
theblock.State = is_chain_combo ? BlockState.ComboVanishing : BlockState.Vanishing;
theblock.Parameter = m_flash_frames;
theblock.FaceTime = m_face_frames + Delayer * m_vanish_speed;
theblock.InvisTime = (BlockCount - Delayer) * m_vanish_speed;
theblock.ComboOrdinal = Delayer;
Delayer++;
}
m_field[x, y] = theblock;
}
}
if (!freeze_lift)
{
ushort liftold = m_lift_phase;
m_lift_phase += m_fast_lifting ? (ushort)4096 : m_lift_speed;
if (m_cruiser_pos.Y >= 11) m_cruiser_pos.Y = 10;
if (m_lift_phase < liftold)
{
m_lift_phase = 0;
RaiseField();
}
}
if (BlockCount > 3) // Combo event
{
if (OnCombo != null) OnCombo(this, new PaneponEventArgs(ch_pos, BlockCount));
}
if (is_chain_combo) // Chain event
{
m_chain_length++;
if (OnChain != null) OnChain(this, new PaneponEventArgs(ch_pos, m_chain_length));
}
// TODO: Scoring based on BlockCount, m_chain_length, and m_level
if (!chain_active) m_chain_length = 1;
break;
}
}
