public static void Blit(LogicIntArray2 s, int sX, int sY, int width, int height, LogicIntArray2 d, int dX, int dY)
{
Debugger.doAssert(d != null, "blit Destination null");
Debugger.doAssert(s != null, "blit Source null");
switch (GetBlitMethod())
{
case BlitMethod.Add:
{
for (int y = 0; y < height; ++y)
{
for (int x = 0; x < width; ++x)
{
int value = s.Get(sX + x, sY + y) + d.Get(dX + x, dY + y);
d.Set(dX + x, dY + y, value);
}
}
}
break;
case BlitMethod.Multiply:
{
for (int y = 0; y < height; ++y)
{
for (int x = 0; x < width; ++x)
{
int value = s.Get(sX + x, sY + y) * d.Get(dX + x, dY + y);
d.Set(dX + x, dY + y, value);
}
}
}
break;
case BlitMethod.Replace:
default:
{
for (int y = 0; y < height; ++y)
{
for (int x = 0; x < width; ++x)
{
int value = s.Get(sX + x, sY + y);
d.Set(dX + x, dY + y, value);
}
}
}
break;
}
}
public static void DebugPrint(LogicIntArray2 a)
{
for (int y = 0; y < a.height; ++y)
{
string str = "";
for (int x = 0; x < a.width; ++x)
{
str += string.Format("{0},", a.Get(x, y));
}
Debugger.print(str);
}
}
public static string ToString(LogicIntArray2 a)
{
string str = "";
for (int y = 0; y < a.height; ++y)
{
for (int x = 0; x < a.width; ++x)
{
str += string.Format("{0},", a.Get(x, y));
}
str += "\n";
}
return(str);
}
public static bool FindClosestRect(int needleWidth, int needleHeight, int needleValue, LogicIntArray2 haystack, LogicPoint2 start, LogicPoint2 closest)
{
Debugger.doAssert(haystack != null, "blit haystack null");
Debugger.doAssert(start != null, "findClosest start null");
Debugger.doAssert(closest != null, "blit closest null");
int dWidth = haystack.width - needleWidth;
int dHeight = haystack.height - needleHeight;
int distMin = int.MaxValue;
for (int y = 0; y <= dHeight; ++y)
{
for (int x = 0; x <= dWidth; ++x)
{
int dx = x - start.x;
int dy = y - start.y;
int dist = dx * dx + dy * dy;
if (dist < distMin)
{
bool equal = true;
for (int h = 0; h < needleHeight && equal; ++h)
{
for (int w = 0; w < needleWidth && equal; ++w)
{
equal = haystack.Get(x + w, y + h) == needleValue;
}
}
if (equal)
{
distMin = dist;
closest.x = x;
closest.y = y;
}
}
}
}
return(distMin < int.MaxValue);
}
