public void DrawMaskXZSolidRange(TransformedMaskData tmd, int startY, int endY, SortedList <int, Color> heightColorGradient)
{
// NOTE: Draw back-to-front
for (int maskZ = tmd.maskData.StartY; maskZ < tmd.maskData.EndY; maskZ++)
{
for (int maskX = tmd.maskData.StartX; maskX < tmd.maskData.EndX; maskX++)
{
const int zTestOffset = 1; // <- The top surface should be "under" any other pixels
if (tmd[maskX, maskZ])
{
DrawPixel(new Position(maskX, endY, maskZ),
heightColorGradient.GetColorFromGradient(endY), zTestOffset);
if (maskZ > tmd.maskData.StartY && tmd[maskX, maskZ - 1])
{
continue; // Previous row covers this one's "solid" section
}
for (int h = startY; h < endY; h++)
{
Color c = Color.Lerp(heightColorGradient.GetColorFromGradient(h), Color.Black, 0.6f);
DrawPixel(new Position(maskX, h, maskZ), c, 0);
}
}
}
}
}
public void DrawMaskBlend(TransformedMaskData tmd, Color foreground, Color background)
{
for (int maskY = tmd.maskData.StartY; maskY < tmd.maskData.EndY; maskY++)
{
for (int maskX = tmd.maskData.StartX; maskX < tmd.maskData.EndX; maskX++)
{
int x = tmd.flipX ? -maskX : maskX;
int y = -maskY - 1; // Convert World to Display coordinates
// Translate into buffer region
x -= displayBounds.X;
y -= displayBounds.Y;
Color color = tmd.maskData[maskX, maskY] ? foreground : background;
// Bounds check:
if ((uint)x < (uint)displayBounds.Width && (uint)y < (uint)displayBounds.Height)
{
int i = x + y * displayBounds.Width;
// Blend (would rather avoid floating point here, but oh well)
Vector4 source = color.ToVector4();
Vector4 destination = colorBuffer[i].ToVector4();
float alpha = (float)color.A / 255f;
colorBuffer[i] = new Color(source + destination * (1f - alpha));
dirty = true;
}
}
}
}
public void DrawMaskXZ(TransformedMaskData tmd, int y, Color color)
{
for (int maskZ = tmd.maskData.StartY; maskZ < tmd.maskData.EndY; maskZ++)
{
for (int maskX = tmd.maskData.StartX; maskX < tmd.maskData.EndX; maskX++)
{
const int zTestOffset = 1; // <- The top surface should be "under" any other pixels
if (tmd[maskX, maskZ])
{
DrawPixel(new Position(maskX, y, maskZ), color, zTestOffset); // <- NOTE: Use of Y value as Z value (and
}
}
}
}
public static bool Collide(TransformedMaskData a, TransformedMaskData b)
{
Rectangle aRect = a.Bounds;
Rectangle bRect = b.Bounds;
Rectangle intersection = Rectangle.Intersect(aRect, bRect);
for (int iy = 0; iy < intersection.Height; iy++)
{
for (int ix = 0; ix < intersection.Width; ix++)
{
int x = ix + intersection.X;
int y = iy + intersection.Y;
if (a[x, y] & b[x, y])
{
return(true); // Masks collide
}
}
}
return(false);
}
public bool CollidesWith(TransformedMaskData other)
{
return(Collide(this, other));
}
