//End of behaviour methods
//A lot of the variables here should be loaded into an ini file, for customisation
public SteeringBehaviour(AIEntity own)
{
this.owner = own;
entityFlags = 0;
boxLength = 5;
weightEvade = 0.5;
weightPursuit = 0.5;
weightArrive = 0.5;
weightFlee = 0.5;
weightSeek = 0.5;
weightWander = 0.5;
weightWallAvoidance = 0.5;
weightObstacleAvoidance = 0.5;
useCellPartitioning = false;
numberOfFeelers = 3;
summingMethod = SumMethod.priority;
wanderDist = SteeringBehaviour.wanderDistance;
wanderRad = SteeringBehaviour.wanderRadius;
wanderJit = SteeringBehaviour.wanderJitter;
currentAccel = AccelerationType.medium;
waypointSeekDistance = 5;
entityViewDistance = 10;
feelersForWall = new Vector[3];
double sigma = UnityEngine.Random.Range(0.0f, 180.0f)*3.14;
wanderTarget = new Vector(wanderDist*Mathf.Cos((float)sigma), wanderDist*Mathf.Sin((float)sigma));
//Set the path data here, when the class has been made.
}
static AccelerationType GetAccelerationType(ref PixelFormatDescriptor pfd)
{
AccelerationType type = AccelerationType.ICD;
if ((pfd.Flags & PixelFormatDescriptorFlags.GENERIC_FORMAT) != 0)
{
if ((pfd.Flags & PixelFormatDescriptorFlags.GENERIC_ACCELERATED) != 0)
{
type = AccelerationType.MCD;
}
else
{
type = AccelerationType.None;
}
}
return(type);
}
void ChangeHorizontalAcceleration(AccelerationType accelerationType)
{
switch (accelerationType)
{
case AccelerationType.Accelerate:
currentHorAcceleration = horizontalAcceleration;
break;
case AccelerationType.Decelerate:
currentHorAcceleration = -horizontalAcceleration;
break;
case AccelerationType.Stop:
currentHorAcceleration = 0f;
break;
}
}
private void Layout(int top = -1)
{
if (top < 0)
{
top = Acceleration.Top;
}
AccelerationType.Layout(
Acceleration,
Scale,
Cap,
Weight,
Offset,
Limit,
Exponent,
Midpoint,
top);
}
GraphicsMode ChoosePixelFormatPFD(IntPtr device, GraphicsMode mode, AccelerationType requested_acceleration_type)
{
PixelFormatDescriptor pfd = new PixelFormatDescriptor();
PixelFormatDescriptorFlags flags = 0;
flags |= PixelFormatDescriptorFlags.DRAW_TO_WINDOW;
flags |= PixelFormatDescriptorFlags.SUPPORT_OPENGL;
if (mode.Stereo)
{
flags |= PixelFormatDescriptorFlags.STEREO;
}
if (System.Environment.OSVersion.Version.Major >= 6 &&
requested_acceleration_type != AccelerationType.None)
{
// Request a compositor-capable mode when running on
// Vista+ and using hardware acceleration. Without this,
// some modes will cause the compositor to turn off,
// which is very annoying to the user.
// Note: compositor-capable modes require hardware
// acceleration. Don't set this flag when running
// with software acceleration (e.g. over Remote Desktop
// as described in bug https://github.com/opentk/opentk/issues/35)
flags |= PixelFormatDescriptorFlags.SUPPORT_COMPOSITION;
}
int count = Functions.DescribePixelFormat(device, 1, API.PixelFormatDescriptorSize, ref pfd);
int best = 0;
int best_dist = int.MaxValue;
for (int index = 1; index <= count; index++)
{
int dist = 0;
bool valid = Functions.DescribePixelFormat(device, index, API.PixelFormatDescriptorSize, ref pfd) != 0;
valid &= GetAccelerationType(ref pfd) == requested_acceleration_type;
valid &= (pfd.Flags & flags) == flags;
valid &= pfd.PixelType == PixelType.RGBA; // indexed modes not currently supported
// heavily penalize single-buffered modes when the user requests double buffering
if ((pfd.Flags & PixelFormatDescriptorFlags.DOUBLEBUFFER) == 0 && mode.Buffers > 1)
{
dist += 1000;
}
valid &= Compare(pfd.ColorBits, mode.ColorFormat.BitsPerPixel, ref dist);
valid &= Compare(pfd.RedBits, mode.ColorFormat.Red, ref dist);
valid &= Compare(pfd.GreenBits, mode.ColorFormat.Green, ref dist);
valid &= Compare(pfd.BlueBits, mode.ColorFormat.Blue, ref dist);
valid &= Compare(pfd.AlphaBits, mode.ColorFormat.Alpha, ref dist);
valid &= Compare(pfd.AccumBits, mode.AccumulatorFormat.BitsPerPixel, ref dist);
valid &= Compare(pfd.AccumRedBits, mode.AccumulatorFormat.Red, ref dist);
valid &= Compare(pfd.AccumGreenBits, mode.AccumulatorFormat.Green, ref dist);
valid &= Compare(pfd.AccumBlueBits, mode.AccumulatorFormat.Blue, ref dist);
valid &= Compare(pfd.AccumAlphaBits, mode.AccumulatorFormat.Alpha, ref dist);
valid &= Compare(pfd.DepthBits, mode.Depth, ref dist);
valid &= Compare(pfd.StencilBits, mode.Stencil, ref dist);
if (valid && dist < best_dist)
{
best = index;
best_dist = dist;
}
}
return(DescribePixelFormatPFD(device, ref pfd, best));
}
Vector arrive(Vector targetPos, AccelerationType acc)
{
Vector vecToTarg = targetPos - owner.getPosition();
double distance = Math.sqrt(vecToTarg.lengthSquared());
if(distance > 0) {
double accelTweak = 0.242;
double spd = distance / ((double)acc * accelTweak);
speed = (spd < owner.maxSpeed())?spd : owner.maxSpeed();
Vector vel = vecToTarg * (spd / distance);
return (vel - owner.getVelocity());
}
}
private GraphicsMode ChoosePixelFormatPFD(IntPtr device, GraphicsMode mode,
AccelerationType requested_acceleration_type)
{
var pfd = new PixelFormatDescriptor();
PixelFormatDescriptorFlags flags = 0;
flags |= PixelFormatDescriptorFlags.DrawToWindow;
flags |= PixelFormatDescriptorFlags.SupportOpenGL;
if (mode.Stereo)
{
flags |= PixelFormatDescriptorFlags.Stereo;
}
if (Environment.OSVersion.Version.Major >= 6 &&
requested_acceleration_type != AccelerationType.None)
{
// Request a compositor-capable mode when running on
// Vista+ and using hardware acceleration. Without this,
// some modes will cause the compositor to turn off,
// which is very annoying to the user.
// Note: compositor-capable modes require hardware
// acceleration. Don't set this flag when running
// with software acceleration (e.g. over Remote Desktop
// as described in bug https://github.com/opentk/opentk/issues/35)
flags |= PixelFormatDescriptorFlags.SupportComposition;
}
var count = Gdi32.DescribePixelFormat(device, 1, PixelFormatDescriptor.SizeInBytes, ref pfd);
var best = 0;
var best_dist = int.MaxValue;
for (var index = 1; index <= count; index++)
{
var dist = 0;
var valid = Gdi32.DescribePixelFormat(device, index, PixelFormatDescriptor.SizeInBytes, ref pfd) != 0;
valid &= GetAccelerationType(ref pfd) == requested_acceleration_type;
valid &= (pfd.Flags & flags) == flags;
valid &= pfd.PixelType == PixelFormatDescriptorPixelTypes.Rgba; // indexed modes not currently supported
// heavily penalize single-buffered modes when the user requests double buffering
if ((pfd.Flags & PixelFormatDescriptorFlags.DoubleBuffer) == 0 && mode.Buffers > 1)
{
dist += 1000;
}
valid &= Compare(pfd.ColorBits, mode.ColorFormat.BitsPerPixel, ref dist);
valid &= Compare(pfd.RedBits, mode.ColorFormat.Red, ref dist);
valid &= Compare(pfd.GreenBits, mode.ColorFormat.Green, ref dist);
valid &= Compare(pfd.BlueBits, mode.ColorFormat.Blue, ref dist);
valid &= Compare(pfd.AlphaBits, mode.ColorFormat.Alpha, ref dist);
valid &= Compare(pfd.AccumBits, mode.AccumulatorFormat.BitsPerPixel, ref dist);
valid &= Compare(pfd.AccumRedBits, mode.AccumulatorFormat.Red, ref dist);
valid &= Compare(pfd.AccumGreenBits, mode.AccumulatorFormat.Green, ref dist);
valid &= Compare(pfd.AccumBlueBits, mode.AccumulatorFormat.Blue, ref dist);
valid &= Compare(pfd.AccumAlphaBits, mode.AccumulatorFormat.Alpha, ref dist);
valid &= Compare(pfd.DepthBits, mode.Depth, ref dist);
valid &= Compare(pfd.StencilBits, mode.Stencil, ref dist);
if (valid && dist < best_dist)
{
best = index;
best_dist = dist;
}
}
return(DescribePixelFormatPFD(device, ref pfd, best));
}
GraphicsMode ChoosePixelFormatPFD(IntPtr device, GraphicsMode mode, AccelerationType requested_acceleration_type)
{
PixelFormatDescriptor pfd = new PixelFormatDescriptor();
PixelFormatDescriptorFlags flags = 0;
flags |= PixelFormatDescriptorFlags.DRAW_TO_WINDOW;
flags |= PixelFormatDescriptorFlags.SUPPORT_OPENGL;
if (mode.Stereo)
{
flags |= PixelFormatDescriptorFlags.STEREO;
}
if (System.Environment.OSVersion.Version.Major >= 6 &&
requested_acceleration_type != AccelerationType.None)
{
// Request a compositor-capable mode when running on
// Vista+ and using hardware acceleration. Without this,
// some modes will cause the compositor to turn off,
// which is very annoying to the user.
// Note: compositor-capable modes require hardware
// acceleration. Don't set this flag when running
// with software acceleration (e.g. over Remote Desktop
// as described in bug https://github.com/opentk/opentk/issues/35)
flags |= PixelFormatDescriptorFlags.SUPPORT_COMPOSITION;
}
int count = Functions.DescribePixelFormat(device, 1, API.PixelFormatDescriptorSize, ref pfd);
int best = 0;
int best_dist = int.MaxValue;
for (int index = 1; index <= count; index++)
{
int dist = 0;
bool valid = Functions.DescribePixelFormat(device, index, API.PixelFormatDescriptorSize, ref pfd) != 0;
valid &= GetAccelerationType(ref pfd) == requested_acceleration_type;
valid &= (pfd.Flags & flags) == flags;
valid &= pfd.PixelType == PixelType.RGBA; // indexed modes not currently supported
// heavily penalize single-buffered modes when the user requests double buffering
if ((pfd.Flags & PixelFormatDescriptorFlags.DOUBLEBUFFER) == 0 && mode.Buffers > 1)
dist += 1000;
valid &= Compare(pfd.ColorBits, mode.ColorFormat.BitsPerPixel, ref dist);
valid &= Compare(pfd.RedBits, mode.ColorFormat.Red, ref dist);
valid &= Compare(pfd.GreenBits, mode.ColorFormat.Green, ref dist);
valid &= Compare(pfd.BlueBits, mode.ColorFormat.Blue, ref dist);
valid &= Compare(pfd.AlphaBits, mode.ColorFormat.Alpha, ref dist);
valid &= Compare(pfd.AccumBits, mode.AccumulatorFormat.BitsPerPixel, ref dist);
valid &= Compare(pfd.AccumRedBits, mode.AccumulatorFormat.Red, ref dist);
valid &= Compare(pfd.AccumGreenBits, mode.AccumulatorFormat.Green, ref dist);
valid &= Compare(pfd.AccumBlueBits, mode.AccumulatorFormat.Blue, ref dist);
valid &= Compare(pfd.AccumAlphaBits, mode.AccumulatorFormat.Alpha, ref dist);
valid &= Compare(pfd.DepthBits, mode.Depth, ref dist);
valid &= Compare(pfd.StencilBits, mode.Stencil, ref dist);
if (valid && dist < best_dist)
{
best = index;
best_dist = dist;
}
}
return DescribePixelFormatPFD(device, ref pfd, best);
}