public void Feed(Vector2Int EatPosition, SnakeBody.FoodType TypeEaten)
{
if (TypeEaten == SnakeBody.FoodType.Food)
{
GameController.AddWobbleForce(HeadPosition, 0.3f, true);
if (GameController.Food.Contains(EatPosition))
{
GameController.Food.Remove(EatPosition);
}
if (IsPlayer || GameController.AIMODE)
{
GameController.GrowArena();
GameController.AddScore();
}
GameAssets.Sound.Food.Play();
Length++;
GameController.PlaceRandomFood();
}
if (TypeEaten == SnakeBody.FoodType.Egg)
{
GameController.AddWobbleForce(HeadPosition, 0.05f, true);
GameController.Eggs.TryGetValue(EatPosition, out FoodTier);
if (FoodTier == 0)
{
Debug.LogError("Snake has eaten invalid egg position: " + EatPosition);
}
else
{
GameController.Eggs.Remove(EatPosition);
}
}
Engorged = true;
Digestion = TypeEaten;
}
public void FixedUpdateSnake()
{
if (Dead || Forging)
{
return;
}
// AFFECTED PLAYER SPEED
SpeedMultiplier = 1;
if (Dying)
{
SpeedMultiplier = 5;
}
else if (IsPlayer)
{
MoveDir MovementFacing = GetMovementFacing();
if (Facing == MovementFacing)
{
BoostTime += Time.fixedUnscaledDeltaTime;
if (BoostTime >= BOOST_TIME_FLOOR)
{
SpeedMultiplier = 3f;
}
}
else
{
BoostTime = 0f;
if (Facing == GameController.OppositeDirection(MovementFacing))
{
SpeedMultiplier = 0.5f;
}
}
}
MoveFraction += MoveSpeed * SpeedMultiplier;
if (MoveFraction > 0.5f && !PathChecked)
{
// RUN PATHFINDING FOR AI SNAKES
if (!IsPlayer || GameController.AIMODE)
{
DetermineFacing();
}
PathChecked = true;
}
if (MoveFraction >= 2)
{
Debug.LogWarning("A snake MoveFraction is over 2. This will lead to pathfinding errors. Player: " + IsPlayer);
}
while (MoveFraction > 1)
{
PathChecked = false;
MoveFraction -= 1f;
if (Dying)
{
GameController.AddExplosionToGrid(Bodies.Last.Value.Position);
RemoveTail();
if (Bodies.First == null)
{
Dead = true;
}
return;
}
Vector2Int NewHeadPosition = HeadPosition;
switch (Facing)
{
case MoveDir.Up:
NewHeadPosition.y++;
break;
case MoveDir.Right:
NewHeadPosition.x++;
break;
case MoveDir.Left:
NewHeadPosition.x--;
break;
case MoveDir.Down:
NewHeadPosition.y--;
break;
default:
break;
}
// DETERMINE IF THE SNAKE MUST DIE
bool DeathCondition = false;
if (NewHeadPosition.y < GameController.TileIndexMin ||
NewHeadPosition.x < GameController.TileIndexMin ||
NewHeadPosition.y > GameController.TileIndexMax ||
NewHeadPosition.x > GameController.TileIndexMax)
{
if (DisplayDeathMessagesFlag)
{
Debug.Log("Snake Death: Left valid tile area.");
}
DeathCondition = true;
}
if (GameController.CollisionMap[NewHeadPosition.y, NewHeadPosition.x])
{
if (IsPlayer)
{
if (!GameController.Food.Contains(NewHeadPosition) && !GameController.Eggs.ContainsKey(NewHeadPosition))
{
if (DisplayDeathMessagesFlag)
{
Debug.Log("Snake Death: Player hit block with no food or eggs: " + NewHeadPosition);
}
DeathCondition = true;
}
}
else
{
if (!GameController.Food.Contains(NewHeadPosition))
{
if (!GameController.Eggs.ContainsKey(NewHeadPosition))
{
if (DisplayDeathMessagesFlag)
{
Debug.Log("Snake Death: AI hit spot with no food or eggs present: " + NewHeadPosition);
}
DeathCondition = true;
}
else
{
if (GameController.Eggs.TryGetValue(NewHeadPosition, out int EggTier))
{
if (EggTier >= Tier)
{
if (DisplayDeathMessagesFlag)
{
Debug.Log("Snake Death: AI hit an egg of tier equal or higher. Position: " + NewHeadPosition + ", Snake Tier: " + Tier + ", Egg Tier: " + EggTier);
}
DeathCondition = true;
}
}
else
{
Debug.LogError("Game Tried to access a key that wasn't there.");
}
}
}
}
}
if (DeathCondition)
{
StartDying();
GameController.AddExplosionToGrid(NewHeadPosition);
return;
}
GameController.CollisionMap[HeadPosition.y, HeadPosition.x] = false;
GameController.CollisionMap[NewHeadPosition.y, NewHeadPosition.x] = true;
AddTail(HeadPosition, Facing);
HeadPosition = NewHeadPosition;
if (Engorged && Bodies.First != null)
{
Bodies.First.Value.Engorged = true;
Bodies.First.Value.Digestion = Digestion;
Bodies.First.Value.FoodTier = FoodTier;
Engorged = false;
Digestion = SnakeBody.FoodType.None;
}
if (GameController.Food.Contains(NewHeadPosition))
{
Feed(NewHeadPosition, SnakeBody.FoodType.Food);
}
else if (GameController.Eggs.ContainsKey(NewHeadPosition))
{
Feed(NewHeadPosition, SnakeBody.FoodType.Egg);
}
while (Bodies.Count > Length)
{
RemoveTail();
}
}
}
