// Fog of war
void VisitTile(int index)
{
// Expanded vision around player
int column, newX, newY, row = 0;
PositionUtility.CalculatePosition(index, map.columns, out tmpX, out tmpY);
// Find halfway point in fov
var half = Mathf.FloorToInt(distance / 2f);
// Shift over area to look at tiles around player
tmpX -= half;
tmpY -= half;
var total = distance * distance;
// Max columns of tiles to visit for reveal tiles
var maxColumns = distance - 1;
for (int i = 0; i < total; i++)
{
// Current column we're on
column = i % distance;
newX = column + tmpX;
newY = row + tmpY;
// Recalculate index starting loop on
PositionUtility.CalculateIndex(newX, newY, map.columns, out index);
// Make sure index in range
if (index > -1 && index < map.tiles.Length)
{
var tile = map.tiles [index];
tile.visited = true;
DecorateTile(index);
// Update neighbouring tiles
foreach (var neighbour in tile.neighbours)
{
if (neighbour != null)
{
if (!neighbour.visited)
{
neighbour.CalculateFoWAutotileID();
DecorateTile(neighbour.id);
}
}
}
}
if (column == maxColumns)
{
row++;
}
}
}
void CenterMap(int index)
{
var camPos = Camera.main.transform.position;
var width = map.columns;
PositionUtility.CalculatePosition(index, width, out tmpX, out tmpY);
camPos.x = tmpX * tileSize.x;
camPos.y = -tmpY * tileSize.y;
Camera.main.transform.position = camPos;
}
// Figure out the next tile to move to, based on direction from key press
public void MoveInDirection(Vector2 dir)
{
PositionUtility.CalculatePosition(currentTile, map.columns, out tmpX, out tmpY);
// Add direction values to temp x and y
tmpX += (int)dir.x;
tmpY += (int)dir.y;
// Create index of tile to move to
PositionUtility.CalculateIndex(tmpX, tmpY, map.columns, out tmpIndex);
// Move player to next tile, with animation
MoveTo(tmpIndex, true);
}
public void MoveTo(int index, bool animate = false)
{
// Only move if movement valid
if (!CanMove(index))
{
return;
}
// Player can move, trigger beginning movement event
if (moveActionCallback != null)
{
moveActionCallback();
}
currentTile = index;
// Calculate new position
PositionUtility.CalculatePosition(index, map.columns, out tmpX, out tmpY);
// Calculate actual position in scene
tmpX *= (int)tileSize.x;
tmpY *= -(int)tileSize.y;
var newPos = new Vector3(tmpX, tmpY, 0);
// Move GameObject to new position
if (!animate)
{
transform.position = newPos;
// Trigger event when player lands on this tile
if (tileActionCallback != null)
{
tileActionCallback(map.tiles[currentTile].autotileID);
}
}
else
{
// Animate movement
startPos = transform.position;
endPos = newPos;
moveTime = 0;
moving = true;
}
}