protected float ComputeVectorCrossProduct(TDTile start, TDTile goal, TDTile current)
{
TGMap tgm = GameObject.Find("TileMap").GetComponent <TGMap>();
if (tgm == null || !tgm.computeVectorCrossProduct)
{
return(0.0f);
}
float dx1 = current.GetX() - goal.GetX();
float dy1 = current.GetY() - goal.GetY();
float dx2 = start.GetX() - goal.GetX();
float dy2 = start.GetY() - goal.GetY();
return(System.Math.Abs(dx1 * dy2 - dx2 * dy1) * 0.001f);
}
Vector3 GetNextDestination()
{
TDStep step = _firetruck.PopPathStep();
TDStep afterStep = _firetruck.PeekPathStep();
Vector3 nextPosition = new Vector3();
Vector3 afterPosition = new Vector3();
if (step != null)
{
TDTile nextTile = step.tile;
TDTile afterTile = null;
if (afterStep != null)
{
afterTile = afterStep.tile;
afterPosition = map.GetPositionForTile(afterTile.GetX(), afterTile.GetY());
afterPosition.x += 0.5f;
afterPosition.z -= 0.5f;
}
nextPosition = map.GetPositionForTile(nextTile.GetX(), nextTile.GetY());
nextPosition.x += 0.5f;
nextPosition.z -= 0.5f;
//If nextPosition is to the right then trucks drive in the lower
//of the horizontal lanes
if (nextPosition.x > transform.position.x ||
(afterStep != null && afterPosition.x > transform.position.x))
{
nextPosition.z -= 0.25f;
//If it's to the left then trucks drive in the upper lane
}
else if (nextPosition.x < transform.position.x ||
(afterStep != null && afterPosition.x < transform.position.x))
{
nextPosition.z += 0.25f;
}
//If nextPosition is up the trucks drive in the right lane
if (nextPosition.z > transform.position.z ||
(afterStep != null && afterPosition.z > transform.position.z))
{
nextPosition.x += 0.25f;
//If it's down then trucks drive in the left lane
}
else if (nextPosition.z < transform.position.z ||
(afterStep != null && afterPosition.z < transform.position.z))
{
nextPosition.x -= 0.25f;
}
}
return(nextPosition);
}
private void ApproachTargetFlame()
{
if (targetFlame != null)
{
TDTile currentTile = map.GetTileForWorldPosition(transform.position);
TDTile flameTile = map.GetTileForWorldPosition(targetFlame.transform.position);
if (currentTile.IsOtherAdjacent(flameTile))
{
destination = currentTile.FindPointAdjacentToTileWithBuffer(flameTile, FIRE_BUFFER, transform.position);
}
else
{
EGDispatcher.Instance.SendTruckToTile(this, flameTile.GetX(), flameTile.GetY());
}
}
}
void StartTileOnFire(TDTile tile)
{
GameObject flame = (GameObject)Instantiate(flamePrefab);
Vector3 flamePos = _map.GetPositionForTile(tile.GetX(), tile.GetY());
flamePos.x += 0.5f;
flamePos.z -= 0.5f;
flame.transform.position = flamePos;
EGFlame egFlame = flame.GetComponent <EGFlame>();
egFlame.SetTile(tile);
egFlame.SetMap(_map);
egFlame.SetSpreadPrefab(flamePrefab);
tile.OnFire = true;
}
void UpdateSpread()
{
float delta = Time.deltaTime;
Vector3 scale = transform.root.localScale;
if (scale.x >= maxSize || tile.durability <= 0)
{
timeSinceSpreadAttempt += delta;
if (timeSinceSpreadAttempt >= spreadInterval)
{
int rand = Random.Range(0, spreadChance);
if (rand % spreadChance == 0)
{
List <TDTile> houses = map.Map.FindAdjacentFlammableTiles(tile);
if (houses.Count > 0)
{
rand = Random.Range(0, houses.Count);
TDTile tileToIgnite = houses[rand];
if (!tileToIgnite.OnFire && tile.durability > 0)
{
GameObject flame = (GameObject)Instantiate(spreadPrefab);
Vector3 flamePos = map.GetPositionForTile(tileToIgnite.GetX(), tileToIgnite.GetY());
flamePos.x += 0.5f;
flamePos.z -= 0.5f;
flame.transform.position = flamePos;
EGFlame egFlame = flame.GetComponent <EGFlame>();
egFlame.SetTile(tileToIgnite);
egFlame.SetMap(map);
egFlame.SetSpreadPrefab(spreadPrefab);
PopUpUIManager.Instance.ShowFireSpreadNPCMessage();
tileToIgnite.OnFire = true;
}
}
timeSinceSpreadAttempt = 0;
}
}
}
}
protected float Heuristic(TDTile a, TDTile b)
{
float heuristic = System.Math.Abs(a.GetX() - b.GetX()) + System.Math.Abs(a.GetY() - b.GetY());
return(heuristic);
}
