public static DirectionNumber operator ++(DirectionNumber left)
{
DirectionNumber result = left;
bool updigit = false;
int currDigitIndex = 0;
while (true)
{
result.Value[currDigitIndex].NumValue++;
if (result.Value[currDigitIndex].NumValue < 10)
{
break;
}
result.Value[currDigitIndex].NumValue = result.Value[currDigitIndex].NumValue % 10;
currDigitIndex++;
if (currDigitIndex >= result.Value.Count)
{
result.Value.Add(new DirectionDigit()
{
NumValue = 1, Direction = Direction.Any
});
break;
}
}
for (int i = currDigitIndex; i >= 0; i--)
{
result.SetDirection(i);
}
return(result);
}
static void Main(string[] args)
{
int totalCount = 99;
DirectionNumber num = new DirectionNumber(99);
int bCount = 0;
float percent = 0.0f;
while (100 * bCount < 99 * totalCount)
{
totalCount++;
num++;
if (num.Value[0].Direction == Direction.Bouncy)
{
bCount++;
}
}
Console.WriteLine("Result is {0}", num.ToString());
}
public NavEdge(LevelDeserializeContext context)
{
if (context.Version < 19)
{
// NOTE: Legacy bits were: North, South, East, West, Jump, Drop, Climb
int oldTypeValue = context.br.ReadByte();
const int oldDirectionBits = 1 | 2 | 4 | 8;
switch (oldTypeValue & oldDirectionBits)
{
case 1: direction = DirectionNumber.North; break;
case 2: direction = DirectionNumber.South; break;
case 4: direction = DirectionNumber.East; break;
case 8: direction = DirectionNumber.West; break;
default:
direction = 0; // <- garbage, but easy to re-generate
Debug.Assert(false, "Nonsense direction value, need to regenerate level file");
break;
}
type = (EdgeType)(oldTypeValue & ~oldDirectionBits);
}
else
{
direction = (DirectionNumber)context.br.ReadByte();
type = (EdgeType)context.br.ReadByte();
}
nextSector = context.br.ReadByte();
region.startX = context.br.ReadInt32();
region.startZ = context.br.ReadInt32();
region.endX = context.br.ReadInt32();
region.endZ = context.br.ReadInt32();
}
public static Point ToMovement(this DirectionNumber d)
{
switch (d)
{
case DirectionNumber.East: return(new Point(1, 0));
case DirectionNumber.NorthEast: return(new Point(1, 1));
case DirectionNumber.North: return(new Point(0, 1));
case DirectionNumber.NorthWest: return(new Point(-1, 1));
case DirectionNumber.West: return(new Point(-1, 0));
case DirectionNumber.SouthWest: return(new Point(-1, -1));
case DirectionNumber.South: return(new Point(0, -1));
case DirectionNumber.SouthEast: return(new Point(1, -1));
default:
return(Point.Zero);
}
}
public static bool IsValid(this DirectionNumber v)
{
Debug.Assert((int)DirectionNumber.Count == 8); // <- this is assumed.
return(((int)v & 7) == (int)v);
}
public static DirectionFlags ToFlag(this DirectionNumber v)
{
return((DirectionFlags)(1u << (int)v));
}
public static DirectionNumber Rotate(this DirectionNumber v, int steps)
{
return((DirectionNumber)(((int)v + steps) & 7));
}
public static DirectionNumber Rotate180(this DirectionNumber v)
{
return((DirectionNumber)(((int)v + 4) & 7));
}
public static DirectionNumber RotateClockwise(this DirectionNumber v)
{
return((DirectionNumber)(((int)v - 1) & 7));
}
public static DirectionNumber GetNextDirectionToProjection(int x, int z, DirectionNumber previous, NavRegionProjection projection)
{
// This incredible switch construct is so that we can jump directly to the previous value, saving us a lot of code in the general case
// And, in particular, allowing us to avoid shuffling our large arguments between stacks, as the dopey JIT won't inline the large comparisons used here
// The use of non-short-circuiting is a speculative optimisation against expected cost of branch mis-prediction (NOTE: inspected JIT but haven't profiled yet -AR)
// This slightly expands our output code size (~5 icache lines total), but perhaps not a big deal due to the switch behaviour in the typical case.
switch (previous)
{
default:
previous = 0; // Reset
goto case DirectionNumber.East;
case DirectionNumber.East:
{
if ((x < projection.x.min & projection.z.min <= z & z <= projection.z.max) | (x < projection.negative.min & x < projection.positive.min))
{
return(DirectionNumber.East);
}
}
if (previous == 0)
{
goto case DirectionNumber.West;
}
else
{
goto default;
}
case DirectionNumber.West:
{
if ((x > projection.x.max & projection.z.min <= z & z <= projection.z.max) | (x > projection.negative.max & x > projection.positive.max))
{
return(DirectionNumber.West);
}
}
if (previous == 0)
{
goto case DirectionNumber.North;
}
else
{
goto default;
}
case DirectionNumber.North:
{
if ((z < projection.z.min & projection.x.min <= x & x <= projection.x.max) | (x <projection.negative.min& x> projection.positive.max))
{
return(DirectionNumber.North);
}
}
if (previous == 0)
{
goto case DirectionNumber.South;
}
else
{
goto default;
}
case DirectionNumber.South:
{
if ((z > projection.z.max & projection.x.min <= x & x <= projection.x.max) | (x > projection.negative.max & x < projection.positive.min))
{
return(DirectionNumber.South);
}
}
if (previous == 0)
{
goto case DirectionNumber.NorthEast;
}
else
{
goto default;
}
case DirectionNumber.NorthEast:
{
if ((x <= projection.x.max & z <= projection.z.max & projection.positive.min <= x & x <= projection.positive.max)
| (x < projection.x.min & z < projection.z.min))
{
return(DirectionNumber.NorthEast);
}
}
if (previous == 0)
{
goto case DirectionNumber.NorthWest;
}
else
{
goto default;
}
case DirectionNumber.NorthWest:
{
if ((x >= projection.x.min & z <= projection.z.max & projection.negative.min <= x & x <= projection.negative.max)
| (x > projection.x.max & z < projection.z.min))
{
return(DirectionNumber.NorthWest);
}
}
if (previous == 0)
{
goto case DirectionNumber.SouthEast;
}
else
{
goto default;
}
case DirectionNumber.SouthEast:
{
if ((x <= projection.x.max & z >= projection.z.min & projection.negative.min <= x & x <= projection.negative.max)
| (x <projection.x.min& z> projection.z.max))
{
return(DirectionNumber.SouthEast);
}
}
if (previous == 0)
{
goto case DirectionNumber.SouthWest;
}
else
{
goto default;
}
case DirectionNumber.SouthWest:
{
if ((x >= projection.x.min & z >= projection.z.min & projection.positive.min <= x & x <= projection.positive.max)
| (x > projection.x.max & z > projection.z.max))
{
return(DirectionNumber.SouthWest);
}
}
if (previous == 0)
{
return(0); // Nowhere to go :(
}
else
{
goto default;
}
}
}
