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));
}
}
// 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);
}
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));
}
}
// 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);
}