public DrawInfo(FogOfWarMap map, FogOfWarShape shape, float xradius, float yradius)
{
// convert size to fog space
fogForward = shape.foward;
forwardAngle = FogOfWarUtils.ClockwiseAngle(Vector2.up, fogForward) * Mathf.Deg2Rad;
float sin = Mathf.Sin(-forwardAngle);
float cos = Mathf.Cos(-forwardAngle);
Vector2 relativeoffset = new Vector2(shape.offset.x * cos - shape.offset.y * sin, shape.offset.x * sin + shape.offset.y * cos);
fogCenterPos = FogOfWarConversion.WorldToFog(FogOfWarConversion.WorldToFogPlane(shape.eyePosition, map.plane) + relativeoffset, map.offset, map.resolution, map.size);
fogEyePos = new Vector2i(FogOfWarConversion.WorldToFog(shape.eyePosition, map.plane, map.offset, map.resolution, map.size));
// find ranges
if (shape.visibleCells == null)
{
xMin = Mathf.Max(0, Mathf.RoundToInt(fogCenterPos.x - xradius));
xMax = Mathf.Min(map.resolution.x - 1, Mathf.RoundToInt(fogCenterPos.x + xradius));
yMin = Mathf.Max(0, Mathf.RoundToInt(fogCenterPos.y - yradius));
yMax = Mathf.Min(map.resolution.y - 1, Mathf.RoundToInt(fogCenterPos.y + yradius));
}
else
{
fogCenterPos = FogOfWarConversion.SnapToNearestFogPixel(fogCenterPos);
fogEyePos = new Vector2i(FogOfWarConversion.SnapToNearestFogPixel(FogOfWarConversion.WorldToFog(shape.eyePosition, map.offset, map.resolution, map.size)));
Vector2i pos = new Vector2i(Mathf.RoundToInt(fogCenterPos.x), Mathf.RoundToInt(fogCenterPos.y));
Vector2i rad = new Vector2i(Mathf.RoundToInt(xradius), Mathf.RoundToInt(yradius));
xMin = Mathf.Max(0, Mathf.RoundToInt(pos.x - rad.x));
xMax = Mathf.Min(map.resolution.x - 1, Mathf.RoundToInt(pos.x + rad.x));
yMin = Mathf.Max(0, Mathf.RoundToInt(pos.y - rad.y));
yMax = Mathf.Min(map.resolution.y - 1, Mathf.RoundToInt(pos.y + rad.y));
}
}
void DrawOnMap(string text, Vector3 position, int panelwidth)
{
Vector2 normalizedfogpos = (FogOfWarConversion.WorldToFogPlane(position, _fog.plane) - _fog.mapOffset) / _fog.mapSize + new Vector2(0.5f, 0.5f);
Vector2i mappos = new Vector2i(normalizedfogpos * (panelwidth - 20));
GUI.Label(new Rect(10 + mappos.x - 10, Screen.height - mappos.y - 10, 20, 20), text);
}
// Converts a world position to a fog pixel position. Values will be between 0 and mapResolution.
public Vector2i WorldPositionToFogPosition(Vector3 position)
{
Vector2 fogplanepos = FogOfWarConversion.WorldToFogPlane(position, plane);
Vector2 mappos = FogOfWarConversion.WorldToFog(fogplanepos, mapOffset, mapResolution, mapSize);
return(new Vector2i(mappos));
}
/// <summary>
/// Set the fog for a square area of the map. Positions are all in world coordinates. 0 is fully unfogged and 255 if fully fogged.
/// </summary>
/// <param name="bounds"></param>
/// <param name="value"></param>
public void SetFog(Bounds bounds, byte value)
{
Rect rect = new Rect();
rect.min = FogOfWarConversion.WorldToFog(bounds.min, plane, mapOffset, mapResolution, mapSize);
rect.max = FogOfWarConversion.WorldToFog(bounds.max, plane, mapOffset, mapResolution, mapSize);
int xmin = (int)Mathf.Max(rect.xMin, 0);
int xmax = (int)Mathf.Min(rect.xMax, mapResolution.x);
int ymin = (int)Mathf.Max(rect.yMin, 0);
int ymax = (int)Mathf.Min(rect.yMax, mapResolution.y);
// if it is not visible on the map
if (xmin >= mapResolution.x || xmax < 0 || ymin >= mapResolution.y || ymax < 0)
{
return;
}
for (int y = ymin; y < ymax; ++y)
{
for (int x = xmin; x < xmax; ++x)
{
_fogValuesTotal[y * mapResolution.x + x] = value;
}
}
}
public void Unfog(Bounds bounds)
{
Rect rect = new Rect();
rect.min = FogOfWarConversion.WorldToFog(bounds.min, plane, mapOffset, mapResolution, mapSize);
rect.max = FogOfWarConversion.WorldToFog(bounds.max, plane, mapOffset, mapResolution, mapSize);
Unfog(rect);
}
// Set the fog for a square area of the map. 0 is fully unfogged and 1 if fully fogged.
public void SetFog(Bounds bounds, byte value)
{
Rect rect = new Rect();
rect.min = FogOfWarConversion.WorldToFog(bounds.min, plane, mapOffset, mapResolution, mapSize);
rect.max = FogOfWarConversion.WorldToFog(bounds.max, plane, mapOffset, mapResolution, mapSize);
_drawer.SetFog(rect, value);
}
//void OnDrawGizmosSelected()
void OnDrawGizmos()
{
Gizmos.color = Color.red;
Vector3 offset = FogOfWarConversion.FogPlaneToWorld(mapOffset.x, mapOffset.y, 0, plane);
Vector3 size = FogOfWarConversion.FogPlaneToWorld(mapSize, mapSize, 0, plane);
Gizmos.DrawWireCube(offset, size);
Gizmos.color = new Color(1, 0, 0, 0.2f);
Gizmos.DrawCube(offset, size);
}
public Vector2i WorldPositionToFogPosition(Vector3 position)
{
Vector2 mappos = FogOfWarConversion.WorldToFogPlane(position, plane) - mapOffset;
mappos.Scale(mapResolution.vector2 / mapSize);
Vector2i mapposi = new Vector2i(mappos);
mapposi += new Vector2i(mapResolution.x >> 1, mapResolution.y >> 1);
return(mapposi);
}
public bool[] CalculateLineOfSightCells(FogOfWar fow, FogOfWarPhysics physicsmode, Vector3 eyepos, float distance)
{
if (physicsmode == FogOfWarPhysics.Physics3D)
{
Debug.LogWarning("Physics3D is not supported with cells!", this);
return(null);
}
int rad = Mathf.RoundToInt(distance);
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);
//playerpos.y += 5;
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;
//fogoffset.y -= 5;
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 > distance)
{
_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(FogOfWarShape shape)
{
if (antiFlicker)
{
// snap to nearest fog pixel
shape.eyePosition = FogOfWarConversion.SnapWorldPositionToNearestFogPixel(FogOfWarConversion.WorldToFogPlane(_transform.position, FogOfWar.current.plane), FogOfWar.current.mapOffset, FogOfWar.current.mapResolution, FogOfWar.current.mapSize);
shape.eyePosition = FogOfWarConversion.FogPlaneToWorld(shape.eyePosition.x, shape.eyePosition.y, _transform.position.y, FogOfWar.current.plane);
}
else
{
shape.eyePosition = _transform.position;
}
shape.foward = _transform.forward;
shape.offset = offset;
shape.radius = radius;
}
public DrawInfo(FogOfWarMap map, FogOfWarShape shape)
{
// convert size to fog space
Vector2 radius = shape.CalculateRadius() * map.pixelSize;
fogForward = shape.foward;
Vector2 relativeoffset;
if (shape.absoluteOffset)
{
forwardAngle = 0;
relativeoffset = shape.offset;
}
else
{
forwardAngle = FogOfWarUtils.ClockwiseAngle(Vector2.up, fogForward) * Mathf.Deg2Rad;
float sin = Mathf.Sin(-forwardAngle);
float cos = Mathf.Cos(-forwardAngle);
relativeoffset = new Vector2(shape.offset.x * cos - shape.offset.y * sin, shape.offset.x * sin + shape.offset.y * cos);
}
fogCenterPos = FogOfWarConversion.WorldToFog(FogOfWarConversion.WorldToFogPlane(shape.eyePosition, map.plane) + relativeoffset, map.offset, map.resolution, map.size);
fogEyePos = FogOfWarConversion.WorldToFog(shape.eyePosition, map.plane, map.offset, map.resolution, map.size).ToInt();
// find ranges
if (shape.visibleCells == null)
{
xMin = Mathf.Max(0, Mathf.RoundToInt(fogCenterPos.x - radius.x));
xMax = Mathf.Min(map.resolution.x - 1, Mathf.RoundToInt(fogCenterPos.x + radius.x));
yMin = Mathf.Max(0, Mathf.RoundToInt(fogCenterPos.y - radius.y));
yMax = Mathf.Min(map.resolution.y - 1, Mathf.RoundToInt(fogCenterPos.y + radius.y));
}
else
{
fogCenterPos = FogOfWarConversion.SnapToNearestFogPixel(fogCenterPos);
fogEyePos = FogOfWarConversion.SnapToNearestFogPixel(FogOfWarConversion.WorldToFog(shape.eyePosition, map.offset, map.resolution, map.size)).ToInt();
Vector2Int pos = fogCenterPos.ToInt();
Vector2Int rad = radius.ToInt();
xMin = Mathf.Max(0, Mathf.RoundToInt(pos.x - rad.x));
xMax = Mathf.Min(map.resolution.x - 1, Mathf.RoundToInt(pos.x + rad.x));
yMin = Mathf.Max(0, Mathf.RoundToInt(pos.y - rad.y));
yMax = Mathf.Min(map.resolution.y - 1, Mathf.RoundToInt(pos.y + rad.y));
}
}
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.brightness = brightness;
shape.foward = FogOfWarConversion.TransformFogPlaneForward(_transform, fow.plane);
shape.absoluteOffset = absoluteOffset;
shape.offset = offset;
shape.radius = circleRadius;
shape.size = boxSize;
}
// Checks the visibility of an area, where a value of 0 is fully unfogged and 1 if fully fogged
public float VisibilityOfArea(Bounds worldbounds)
{
Vector2 min = FogOfWarConversion.WorldToFog(worldbounds.min, plane, mapOffset, mapResolution, mapSize);
Vector2 max = FogOfWarConversion.WorldToFog(worldbounds.max, plane, mapOffset, mapResolution, mapSize);
int xmin = Mathf.Clamp(Mathf.RoundToInt(min.x), 0, mapResolution.x);
int xmax = Mathf.Clamp(Mathf.RoundToInt(max.x), 0, mapResolution.x);
int ymin = Mathf.Clamp(Mathf.RoundToInt(min.y), 0, mapResolution.y);
int ymax = Mathf.Clamp(Mathf.RoundToInt(max.y), 0, mapResolution.y);
float total = 0;
int count = 0;
for (int y = ymin; y < ymax; ++y)
{
for (int x = xmin; x < xmax; ++x)
{
++count;
total += _fogValuesCopy[y * mapResolution.x + x] / 255.0f;
}
}
return(total / count);
}
