void OnTriggerEnter(Collider col)
{
if (col.gameObject.tag == "Shopper")
{
ShopperController sc = col.gameObject.GetComponent <ShopperController>();
if (sc.isAlive)
{
sc.killShopper(false);
health -= 5;
if (health <= 0)
{
gm.GameOver();
Destroy(gameObject);
}
updateLightColour();
}
}
}
void reservePath(ShopperController s, bool firstCall)
{
// first set a new destination if the shopper has reached their previous target
Vector2 d = new Vector2(0, 0);
if (s.atDest || firstCall)
{
bool distFlag = true;
while (distFlag)
{
if (Random.value > 0.5f) // Move objective
{
bool flag = true;
int x = 0;
int y = 0;
while (flag)
{
x = Random.Range(0, 35);
y = Random.Range(4, 14);
// choose as dest if location unoccupied
if (y < 9 && !getCell(x, y, 0))
{
flag = false;
}
else if (y >= 9 && !getCell(x, y + 6, 0))
{
flag = false;
y += 6;
}
}
d = new Vector2(x, y);
}
else // Shop objective
{
int shopNum = Random.Range(0, 12);
int localX = Random.Range(1, 4);
int localY = Random.Range(0, 3);
// NOTE: two shoppers may choose same point in same shop but 1) unlikely they actually do and 2) unlikely they arrive simultaneously
if (shopNum > 5) // upper level shop, large Y offset
{
localY += 21;
shopNum -= 6; // essentially modulo 6
}
localX += shopNum * 6;
d = new Vector2(localX, localY);
}
distFlag = false;
/*if (manhattanDist (s.transform.position, d) > window-1) {
* distFlag = true;
* }*/
}
s.setDest(d);
}
else
{
d = s.getDest();
}
// then do A* to find a (window-length segment of a) path to the destination
List <Node> close = new List <Node>();
List <Node> fringe = new List <Node> ();
Node starting = default(Node);
if (s.transform.position.z < 9)
{
starting = new Node(new Vector2(s.transform.position.x, s.transform.position.z), 0);
}
else
{
starting = new Node(new Vector2(s.transform.position.x, s.transform.position.z - 6 + stairLength), 0);
}
starting.g = 0f;
starting.f = manhattanDist(starting.position, d);
fringe.Add(starting);
while (fringe.Count > 0)
{
Node current = fringe[0];
for (int i = 0; i < fringe.Count; i++)
{
if (fringe [i].f < current.f)
{
current = fringe [i];
} /* else if (fringe [i].f - fringe [i].g < current.f - current.g) {
* current = fringe [i];
* }*/
}
if (current.position == d)
{
// pathCreate and assign to s
s.setPath(pathCreate(current, close));
return;
}
else if (current.time >= window - 1)
{
Debug.Log("Failed to reach destination in window.");
for (int t = window - 1; t > current.time; t--)
{
grid[(int)current.position.x][(int)current.position.y][t] = true;
}
s.setPath(pathCreate(current, close));
return;
}
/*} else if (current.time >= 4) {
* for (int j=0; j<close.Count; j++) {
* if (manhattanDist(close[j].position, d) < manhattanDist(current.position, d)) {
* current = close[j];
* }
* }
* s.setPath (pathCreate (current, close));
* }*/
fringe.Remove(current);
close.Add(current);
Node[] neighbours = new Node[5];
// 5 neighbours at current.time +1
// move up
neighbours [0] = new Node(new Vector2(current.position.x, current.position.y + 1), current.time + 1);
// move down
neighbours [1] = new Node(new Vector2(current.position.x, current.position.y - 1), current.time + 1);
// move right
neighbours [2] = new Node(new Vector2(current.position.x + 1, current.position.y), current.time + 1);
// move left
neighbours [3] = new Node(new Vector2(current.position.x - 1, current.position.y), current.time + 1);
// wait at cell
neighbours [4] = new Node(current.position, current.time + 1);
for (int i = 0; i < neighbours.Length; i++)
{
if (close.Contains(neighbours[i]))
{
continue;
}
else if (getCell((int)neighbours[i].position.x, (int)neighbours[i].position.y, neighbours[i].time))
{
// if neighbour is impassable, add to close and ignore
close.Add(neighbours[i]);
continue;
}
fringe.Add(neighbours[i]);
float gNB = current.g + manhattanDist(current.position, neighbours[i].position);
if (gNB >= neighbours[i].g)
{
continue;
}
fringe.Remove(neighbours [i]);
neighbours [i].parent = current.position;
neighbours [i].g = gNB;
neighbours [i].f = neighbours[i].g + manhattanDist(neighbours[i].position, d);
if (i == 4)
{
neighbours [i].f++;
}
fringe.Add(neighbours [i]);
}
}
}