protected bool AttackPlayer()
{
// FULL SPEED AHEAD
targetMovementSpeed = 1.0f;
// Look for player towards the last known position
// Calculate intercept vector
Vector3 dir = (playerPos - transform.position).normalized;
// Find nearest cell with cover from player
PathNode coverNode;
Vector3 coverPos;
if (currentPath == null)
{
if (FindCover(out coverNode, out coverPos))
{
// Get node position
Vector3 nodePos = cellGrid.GetCellPos(
cellGrid.Grid[(int)coverNode.Position.x, (int)coverNode.Position.y]);
// Path find to cover (or just the farthest away node if we didn't find cover)
currentPath = PathFinding.FindPath(currentNode, coverNode);
// If the path length is 1 (we're already on the cell), move towards hidePos
if (currentPath.Count == 1)
{
Move((coverPos - transform.position));
}
}
// If we couldn't find any cover, just run away
else
{
Move(-dir);
}
}
// If we can see the player, shoot at it
if (CanSeeObjectOnLayer(dir, playerLayer, "Player"))
{
dir = Quaternion.AngleAxis(Random.Range(-0.5f, 0.5f) * LOOK_PLAYER_JITTER, Vector3.forward) *
(playerPos - transform.position).normalized;
TurnTowards(dir);
// Shoot once we're facing the right direction
if (Vector3.Angle(dir, FacingDirection) < 1.0f)
{
Fire();
}
}
// Otherwise, look for it
else
{
SwitchState(State.LOOK_FOR_PLAYER);
return(false);
}
return(true);
}
protected void SpawnPowerup(GameObject prefab)
{
const int MAX_ITERATIONS = 5;
// Try to spawn a prefab at a random position MAX_ITERATIONS times
// then give up and mark the powerup as collected
bool spawned = false;
for (int i = 0; i < MAX_ITERATIONS; ++i)
{
GridCell cell = openSpaces[UnityEngine.Random.Range(0, openSpaces.Count)];
Vector3 worldPos = cellGrid.GetCellPos(cell);
worldPos.z = 0;
if (!Physics.CheckSphere(worldPos, 0.1f, actors))
{
// Spawn powerup
GameObject powerup = (GameObject)GameObject.Instantiate(prefab, worldPos, Quaternion.identity);
// Get rid of the "cloned" text in its name
powerup.name = powerup.name.Substring(0, powerup.name.Length - 7);
spawned = true;
powerup.SetActive(true);
powerups.Add(powerup.GetComponent <Powerup>());
break;
}
}
// Give up and mark as collected so it'll respawn soon
if (!spawned)
{
GameObject powerup = (GameObject)GameObject.Instantiate(prefab);
powerups.Add(powerup.GetComponent <Powerup>());
PowerupCollected(powerup);
}
}
public void Regenerate()
{
// Clean up
Ungenerate();
// Regenerate maze
maze.Regenerate();
// Make the mesh seriously like 5x the resolution of the original maze for destructivity
hiResGrid = new Cell[maze.Grid.GetLength(0) * MAZE_RESOLUTION,
maze.Grid.GetLength(1) * MAZE_RESOLUTION];
for (int x = 0; x < maze.Grid.GetLength(0); ++x)
{
for (int y = 0; y < maze.Grid.GetLength(1); ++y)
{
for (int ix = 0; ix < MAZE_RESOLUTION; ++ix)
{
for (int iy = 0; iy < MAZE_RESOLUTION; ++iy)
{
Cell oldCell = maze.Grid[x, y];
int newX = x * MAZE_RESOLUTION + ix;
int newY = y * MAZE_RESOLUTION + iy;
Cell newCell = new Cell(oldCell);
newCell.position = new Point(newX, newY);
hiResGrid[newX, newY] = newCell;
}
}
}
}
// Store a list of empty spaces
emptySpaces = new List<GridCell>();
// Copy maze to pathfinding grid
int width = hiResGrid.GetLength(0);
int height = hiResGrid.GetLength(1);
Grid = new GridCell[width, height];
for (int x = 0; x < width; ++x)
{
for (int y = 0; y < height; ++y)
{
Grid[x, y] = new GridCell(x, y, hiResGrid[x, y].visited);
if (Grid[x, y].Accessible)
emptySpaces.Add(Grid[x, y]);
}
}
// Create cell grid for pathfinding
cellGrid = CellGrid;
// Reset enemy pathfinding data
NonplayerCharacter.ResetPathfinding();
// Get list of empty cells
List<GridCell> emptyCellsCopy = new List<GridCell>(emptySpaces);
// Pick random deadend for player
GridCell playerSpawnCell = emptyCellsCopy[Random.Range(0, emptyCellsCopy.Count)];
// Remove this dead end from the list so that no enemies can spawn there
emptyCellsCopy.Remove(playerSpawnCell);
// Spawn the player there
Vector3 playerPos = cellGrid.GetCellPos(playerSpawnCell);
playerPos.z = 0;
GameObject playerObj = ((Component)GameObject.FindObjectOfType(typeof(PlayerCharacter))).gameObject;
playerObj.transform.position = playerPos;
// Create enemies and do the same
enemies = new GameObject("Enemies");
for (int i = 0; i < enemyCount; ++i)
{
// Pick random place for enemy to spawn
GridCell enemySpawnCell = emptyCellsCopy[Random.Range(0, emptyCellsCopy.Count)];
Vector3 enemyPos = cellGrid.GetCellPos(enemySpawnCell);
enemyPos.z = 0;
GameObject enemy = (GameObject)GameObject.Instantiate(enemyPrefab,
enemyPos,
Quaternion.identity);
enemy.GetComponent<NonplayerCharacter>().target = playerObj;
enemy.transform.parent = enemies.transform;
// Add a slight force to enemy so they get unstuck if they're overlapping another character
enemy.rigidbody.AddForce(new Vector3(0.1f, 0.1f));
}
// Spawn powerups in maze
PowerupManager powerupManager = (PowerupManager)GameObject.FindObjectOfType(typeof(PowerupManager));
powerupManager.SetOpenSpaces(cellGrid, emptySpaces);
powerupManager.SpawnPowerups();
// Create mesh for level
mesh = MeshGenerator.GenerateMesh(hiResGrid);
// Asign mesh to mesh filter
GetComponent<MeshFilter>().mesh = mesh;
GetComponent<MeshCollider>().sharedMesh = mesh;
// Create lights on walls
if (wallLightPrefab != null)
{
CreateLights();
}
}
public void Regenerate()
{
// Clean up
Ungenerate();
// Regenerate maze
maze.Regenerate();
// Make the mesh seriously like 5x the resolution of the original maze for destructivity
hiResGrid = new Cell[maze.Grid.GetLength(0) * MAZE_RESOLUTION,
maze.Grid.GetLength(1) * MAZE_RESOLUTION];
for (int x = 0; x < maze.Grid.GetLength(0); ++x)
{
for (int y = 0; y < maze.Grid.GetLength(1); ++y)
{
for (int ix = 0; ix < MAZE_RESOLUTION; ++ix)
{
for (int iy = 0; iy < MAZE_RESOLUTION; ++iy)
{
Cell oldCell = maze.Grid[x, y];
int newX = x * MAZE_RESOLUTION + ix;
int newY = y * MAZE_RESOLUTION + iy;
Cell newCell = new Cell(oldCell);
newCell.position = new Point(newX, newY);
hiResGrid[newX, newY] = newCell;
}
}
}
}
// Store a list of empty spaces
emptySpaces = new List <GridCell>();
// Copy maze to pathfinding grid
int width = hiResGrid.GetLength(0);
int height = hiResGrid.GetLength(1);
Grid = new GridCell[width, height];
for (int x = 0; x < width; ++x)
{
for (int y = 0; y < height; ++y)
{
Grid[x, y] = new GridCell(x, y, hiResGrid[x, y].visited);
if (Grid[x, y].Accessible)
{
emptySpaces.Add(Grid[x, y]);
}
}
}
// Create cell grid for pathfinding
cellGrid = CellGrid;
// Reset enemy pathfinding data
NonplayerCharacter.ResetPathfinding();
// Get list of empty cells
List <GridCell> emptyCellsCopy = new List <GridCell>(emptySpaces);
// Pick random deadend for player
GridCell playerSpawnCell = emptyCellsCopy[Random.Range(0, emptyCellsCopy.Count)];
// Remove this dead end from the list so that no enemies can spawn there
emptyCellsCopy.Remove(playerSpawnCell);
// Spawn the player there
Vector3 playerPos = cellGrid.GetCellPos(playerSpawnCell);
playerPos.z = 0;
GameObject playerObj = ((Component)GameObject.FindObjectOfType(typeof(PlayerCharacter))).gameObject;
playerObj.transform.position = playerPos;
// Create enemies and do the same
enemies = new GameObject("Enemies");
for (int i = 0; i < enemyCount; ++i)
{
// Pick random place for enemy to spawn
GridCell enemySpawnCell = emptyCellsCopy[Random.Range(0, emptyCellsCopy.Count)];
Vector3 enemyPos = cellGrid.GetCellPos(enemySpawnCell);
enemyPos.z = 0;
GameObject enemy = (GameObject)GameObject.Instantiate(enemyPrefab,
enemyPos,
Quaternion.identity);
enemy.GetComponent <NonplayerCharacter>().target = playerObj;
enemy.transform.parent = enemies.transform;
// Add a slight force to enemy so they get unstuck if they're overlapping another character
enemy.rigidbody.AddForce(new Vector3(0.1f, 0.1f));
}
// Spawn powerups in maze
PowerupManager powerupManager = (PowerupManager)GameObject.FindObjectOfType(typeof(PowerupManager));
powerupManager.SetOpenSpaces(cellGrid, emptySpaces);
powerupManager.SpawnPowerups();
// Create mesh for level
mesh = MeshGenerator.GenerateMesh(hiResGrid);
// Asign mesh to mesh filter
GetComponent <MeshFilter>().mesh = mesh;
GetComponent <MeshCollider>().sharedMesh = mesh;
// Create lights on walls
if (wallLightPrefab != null)
{
CreateLights();
}
}