internal void Fire(FieldController.Cell cell, eDirections dir)
{
//Debug.Log("Fire!");
m_timeCurrent = 0f;
IsFireAvailable = false;
m_bullet = new Bullet(m_color)
{
Cell = cell, Direction = dir
};
}
private FieldController.Cell GetNextCell(FieldController.Cell cell, eDirections dir)
{
FieldController.Cell result = m_field.GetNextCell(cell, dir);
if (result == null)
{
//Debug.Log("Cell is null!");
result = m_field.GetRandomNeigborCell(cell, dir);
if (result == null)
{
//no more empty cells
//Debug.LogError("Cell is null!");
}
}
return(result);
}
private void TryKillAlienSnake()
{
SnakeBody head = m_bodies[0];
eDirections dir = head.Direction;
if (m_field.IsAlienStraightAhead(head.Cell, dir, Idx))
{
if (m_snakeFire != null && m_snakeFire.IsFireAvailable)
{
FieldController.Cell nextcell = m_field.GetNextCell(head.Cell, dir);
if (nextcell != null)
{
m_snakeFire.Fire(nextcell, dir);
}
}
}
}
internal void Update()
{
if (!IsAlive)
{
return;
}
bool timeToMove = false;
m_timeCurrent += Time.deltaTime;
if (m_timeCurrent >= m_timeSpan)
{
m_timeCurrent = 0f;
timeToMove = true;
}
if (timeToMove)
{
FieldController.Cell cell = m_field.GetNextCell(Cell, Direction);
if (cell == null)
{
IsAlive = false;
}
else if (cell.Item != null)
{
if (cell.Item is Snake.SnakeBody)
{
Snake.SnakeBody body = cell.Item as Snake.SnakeBody;
Snake snake = body.HostSnake;
snake.Damage();
IsAlive = false;
}
}
if (IsAlive)
{
Cell = cell;
}
else
{
Destroy();
}
}
}
private void UpdateSections(FieldController.Cell cell)
{
FieldController.Cell pcell = m_bodies[0].Cell;
FieldController.Cell ncell = cell;
for (int i = 0; i < m_bodies.Count; i++)
{
SnakeBody body = m_bodies[i];
pcell = body.Cell;
body.Cell.Free();
body.Cell = ncell;
body.Direction = Utilities.GetNextCellDirection(pcell.FieldPosition, ncell.FieldPosition);
ncell = pcell;
}
}
private void TryCatchFood()
{
if (m_targetFoodCell != null)
{
return;
}
SnakeBody head = m_bodies[0];
eDirections exDir = Utilities.GetOppositeDirection(head.Direction);
Tuple <FieldController.Cell, eDirections> target = m_field.GetFoodCellDirection(head.Cell, exDir);
if (target != null && target.Item1 != null)
{
m_targetFoodCell = target.Item1;
head.Direction = target.Item2;
}
}
private void CreateSnake()
{
FieldController.Cell cell = null;
for (int i = 0; i < SIZE_MIN; i++)
{
SnakeBody body = new SnakeBody(this, string.Format(m_nameTemplate, Idx, i));
if (i == 0)
{
cell = m_field.GetRandomCell();
if (cell == null)
{
Debug.LogError("Snake Error!");
continue;
}
body.Cell = cell;
//set direction
body.Direction = Utilities.GetRandomDirection();
}
else
{
eDirections dir = m_bodies[i - 1].Direction;
eDirections nextDir = Utilities.GetOppositeDirection(dir);
FieldController.Cell bcell = m_field.GetNextCell(cell, nextDir);
if (bcell == null)
{
//need other cell
Debug.LogWarning("Snake Error!");
bcell = m_field.GetRandomNeigborCell(cell, nextDir);
}
body.Cell = bcell;
body.Direction = Utilities.GetNextCellDirection(bcell.FieldPosition, cell.FieldPosition);
cell = body.Cell;
}
m_bodies.Add(body);
}
}
void AddSection()
{
SnakeBody body = new SnakeBody(this, string.Format(m_nameTemplate, Idx, m_bodies.Count - 1));
SnakeBody last = m_bodies[m_bodies.Count - 1];
eDirections dir = last.Direction;
FieldController.Cell bcell = m_field.GetNextCell(last.Cell, Utilities.GetOppositeDirection(dir));
if (bcell == null)
{
//need other cell
Debug.LogWarning("Snake Error!");
bcell = m_field.GetRandomNeigborCell(last.Cell, dir);
}
body.Cell = bcell;
body.Direction = dir;
m_bodies.Add(body);
SetColor();
}
internal void Update()
{
if (!IsAlive)
{
return;
}
bool timeToMove = false;
m_timeCurrent += Time.deltaTime;
if (m_timeCurrent >= m_timeSpan)
{
m_timeCurrent = 0f;
timeToMove = true;
}
if (timeToMove)
{
//Debug.Log("Can Move!");
SnakeBody head = m_bodies[0];
eDirections dir = head.Direction;
if (m_targetFoodCell == null)
{
dir = TryChangeDirection(dir);
}
FieldController.Cell cell = GetNextCell(head.Cell, dir);
if (cell == null)
{
DoDeath();
}
else if (cell.Item != null)
{
if (cell.Item is Food)
{
Food food = cell.Item as Food;
food.EatFood();
m_targetFoodCell = null;
AddSection();
}
else if (cell.Item is SnakeBody || cell.Item is Bullet)
{
FieldController.Cell ncell = m_field.GetRandomNeigborCell(head.Cell, dir);
if (ncell == null)
{
Debug.Log("Snake is Dead! " + Idx);
DoDeath();
}
else
{
cell = ncell;
}
}
}
if (IsAlive)
{
UpdateSections(cell);
//TODO check line and fire
TryKillAlienSnake();
TryCatchFood();
}
}
if (m_snakeFire != null)
{
m_snakeFire.Update();
}
}
