// Snaps a world point to a fog pixel. It returns the position
public static Vector2 SnapWorldPositionToNearestFogPixel(FogOfWar fow, Vector2 worldpos, Vector2 offset, Vector2i resolution, float size)
{
Vector2 fogpos = WorldToFog(worldpos, fow.mapOffset, fow.mapResolution, fow.mapSize);
fogpos = SnapToNearestFogPixel(fogpos);
return(FogToWorld(fogpos, fow.mapOffset, fow.mapResolution, fow.mapSize));
}
FogOfWarShape CreateShape(FogOfWar fow)
{
if (shapeType == FogOfWarShapeType.Circle)
{
FogOfWarShapeCircle shape = new FogOfWarShapeCircle();
FillShape(fow, shape);
shape.innerRadius = innerRadius;
shape.angle = angle;
return(shape);
}
else if (shapeType == FogOfWarShapeType.Box)
{
FogOfWarShapeBox shape = new FogOfWarShapeBox();
FillShape(fow, shape);
return(shape);
}
else if (shapeType == FogOfWarShapeType.Texture)
{
if (texture == null)
{
return(null);
}
FogOfWarShapeTexture shape = new FogOfWarShapeTexture();
FillShape(fow, shape);
shape.texture = texture;
shape.rotateToForward = rotateToForward;
return(shape);
}
return(null);
}
public override void OnInspectorGUI()
{
base.OnInspectorGUI();
FogOfWarChunkManager cm = (FogOfWarChunkManager)target;
FogOfWar fow = cm.GetComponent <FogOfWar>();
if (fow.mapResolution.x != fow.mapResolution.y)
{
EditorGUILayout.HelpBox("Map Resolution must be square!", MessageType.Error);
}
if (fow.mapResolution.x % 2 != 0)
{
EditorGUILayout.HelpBox("Map Resolution must be divisible by 2!", MessageType.Error);
}
if (Application.isPlaying)
{
EditorGUILayout.HelpBox(string.Format("Chunks Loaded: {0}\nMemory Usage {0:0.0}kb", cm.loadedChunkCount, cm.loadedChunkCount * fow.mapResolution.manhattanMagnitude / 1024.0f), MessageType.None);
if (GUILayout.Button("Clear Memory"))
{
cm.Clear();
}
}
}
public ColliderFogRect(Collider2D c, FogOfWar fow)
{
Bounds b = c.bounds;
position = fow.WorldPositionToFogPosition(b.min);
size = fow.WorldPositionToFogPosition(b.max) - position;
}
void Awake()
{
_fogOfWar = GetComponent <FogOfWar>();
if (_fogOfWar.mapResolution.x != _fogOfWar.mapResolution.y)
{
Debug.LogError("FogOfWarChunkManager requires FogOfWar Map Resolution to be square and a power of 2!");
enabled = false;
}
_mapResolution = _fogOfWar.mapResolution.x;
}
public void Set(FogOfWar fow)
{
resolution = fow.mapResolution;
size = fow.mapSize;
offset = fow.mapOffset;
pixelSize = resolution.x / size;
pixelCount = resolution.x * resolution.y;
plane = fow.plane;
physics = fow.physics;
filterMode = fow.filterMode;
multithreaded = fow.multithreaded;
}
public bool[] CalculateLineOfSightCells(FogOfWar fow, FogOfWarPhysics physicsmode, Vector3 eyepos)
{
if (physicsmode == FogOfWarPhysics.Physics3D)
{
Debug.LogWarning("Physics3D is not supported with cells!", this);
return(null);
}
int rad = Mathf.RoundToInt(radius);
int width = rad + rad + 1;
if (_visibleCells == null || _visibleCells.Length != width * width)
{
_visibleCells = new bool[width * width];
}
Vector2 cellsize = (fow.mapResolution.vector2 * 1.1f) / fow.mapSize; // do 1.1 to bring it away from the collider a bit so the raycast won't hit it
Vector2 playerpos = FogOfWarConversion.SnapWorldPositionToNearestFogPixel(fow, _transform.position, fow.mapOffset, fow.mapResolution, fow.mapSize);
for (int y = -rad; y <= rad; ++y)
{
for (int x = -rad; x <= rad; ++x)
{
Vector2i offset = new Vector2i(x, y);
// find the nearest point in the cell to the player and raycast to that point
Vector2 fogoffset = offset.vector2 - new Vector2(Sign(offset.x) * cellsize.x, Sign(offset.y) * cellsize.y) * 0.5f;
Vector2 worldoffset = FogOfWarConversion.FogToWorldSize(fogoffset, fow.mapResolution, fow.mapSize);
Vector2 worldpos = playerpos + worldoffset;
Debug.DrawLine(playerpos, worldpos);
int idx = (y + rad) * width + x + rad;
// if it is out of range
if (worldoffset.magnitude > radius)
{
_visibleCells[idx] = false;
}
else
{
_visibleCells[idx] = true;
RaycastHit2D hit = Physics2D.Raycast(playerpos, worldoffset.normalized, Mathf.Max(worldoffset.magnitude - lineOfSightPenetration, 0.00001f), lineOfSightMask);
_visibleCells[idx] = hit.collider == null;
}
}
}
return(_visibleCells);
}
void FillShape(FogOfWar fow, FogOfWarShape shape)
{
if (antiFlicker)
{
// snap to nearest fog pixel
shape.eyePosition = FogOfWarConversion.SnapWorldPositionToNearestFogPixel(fow, FogOfWarConversion.WorldToFogPlane(_transform.position, fow.plane), fow.mapOffset, fow.mapResolution, fow.mapSize);
shape.eyePosition = FogOfWarConversion.FogPlaneToWorld(shape.eyePosition.x, shape.eyePosition.y, _transform.position.y, fow.plane);
}
else
{
shape.eyePosition = _transform.position;
}
shape.foward = FogOfWarConversion.TransformFogPlaneForward(_transform, fow.plane);
shape.offset = offset;
shape.radius = radius;
}
void Update()
{
if (_isInFog == FogOfWar.GetFogOfWarTeam(team).IsInFog(_transform.position, minFogStrength))
{
return;
}
_isInFog = !_isInFog;
if (_isInFog)
{
onFogEnter.Invoke();
}
else
{
onFogExit.Invoke();
}
}
public FogOfWarShape GetShape(FogOfWar fow, FogOfWarPhysics physics, FogOfWarPlane plane)
{
FogOfWarShape shape = CreateShape(fow);
if (shape == null)
{
return(null);
}
if (cellBased)
{
shape.lineOfSight = null;
shape.visibleCells = CalculateLineOfSightCells(fow, physics, shape.eyePosition);
}
else
{
shape.lineOfSight = CalculateLineOfSight(physics, shape.eyePosition, plane);
shape.visibleCells = null;
}
return(shape);
}
void Update()
{
FogOfWar fow = FogOfWar.GetFogOfWarTeam(team);
if (fow == null)
{
Debug.LogWarning("There is no Fog Of War team for team #" + team.ToString());
return;
}
bool visible = !fow.IsInFog(_transform.position, minFogStrength);
if (_renderer != null)
{
_renderer.enabled = visible;
}
if (_graphic != null)
{
_graphic.enabled = visible;
}
if (_canvas != null)
{
_canvas.enabled = visible;
}
}
void OnRenderImage(RenderTexture source, RenderTexture destination)
{
FogOfWar.GetFogOfWarTeam(team).RenderFog(source, destination, _camera, _transform);
}
public ColliderFogRectList(FogOfWar fow)
{
fogOfWar = fow;
}
public FogOfWarMap(FogOfWar fow)
{
Set(fow);
}