private static bool Obstruction(ref TargetInfo info, ref Vector3D targetPos, Projectile p)
{
var ai = p.Info.Ai;
var obstruction = false;
for (int j = 0; j < ai.Obstructions.Count; j++)
{
var ent = ai.Obstructions[j];
var voxel = ent as MyVoxelBase;
var dir = (targetPos - p.Position);
var entWorldVolume = ent.PositionComp.WorldVolume;
if (voxel != null)
{
if (!ai.PlanetSurfaceInRange && (entWorldVolume.Contains(p.Position) != ContainmentType.Disjoint || new RayD(ref p.Position, ref dir).Intersects(entWorldVolume) != null))
{
var dirNorm = Vector3D.Normalize(dir);
var targetDist = Vector3D.Distance(p.Position, targetPos);
var tRadius = info.Target.PositionComp.LocalVolume.Radius;
var testPos = p.Position + (dirNorm * (targetDist - tRadius));
var lineTest = new LineD(p.Position, testPos);
Vector3D?voxelHit = null;
using (voxel.Pin())
voxel.RootVoxel.GetIntersectionWithLine(ref lineTest, out voxelHit);
obstruction = voxelHit.HasValue;
if (obstruction)
{
break;
}
}
}
else
{
if (new RayD(ref p.Position, ref dir).Intersects(entWorldVolume) != null)
{
var transform = ent.PositionComp.WorldMatrixRef;
var box = ent.PositionComp.LocalAABB;
var obb = new MyOrientedBoundingBoxD(box, transform);
var lineTest = new LineD(p.Position, targetPos);
if (obb.Intersects(ref lineTest) != null)
{
obstruction = true;
break;
}
}
}
}
if (!obstruction)
{
var dir = (targetPos - p.Position);
var ray = new RayD(ref p.Position, ref dir);
foreach (var sub in ai.SubGrids)
{
var subDist = sub.PositionComp.WorldVolume.Intersects(ray);
if (subDist.HasValue)
{
var transform = ai.MyGrid.PositionComp.WorldMatrixRef;
var box = ai.MyGrid.PositionComp.LocalAABB;
var obb = new MyOrientedBoundingBoxD(box, transform);
if (obb.Intersects(ref ray) != null)
{
obstruction = sub.RayCastBlocks(p.Position, targetPos) != null;
}
}
if (obstruction)
{
break;
}
}
if (!obstruction && ai.PlanetSurfaceInRange && ai.MyPlanet != null)
{
double targetDist;
Vector3D.Distance(ref p.Position, ref targetPos, out targetDist);
var dirNorm = dir / targetDist;
var tRadius = info.Target.PositionComp.LocalVolume.Radius;
targetDist = targetDist > tRadius ? (targetDist - tRadius) : targetDist;
var targetEdgePos = targetPos + (-dirNorm * tRadius);
if (targetDist > 300)
{
var lineTest1 = new LineD(p.Position, p.Position + (dirNorm * 150), 150);
var lineTest2 = new LineD(targetEdgePos, targetEdgePos + (-dirNorm * 150), 150);
obstruction = VoxelIntersect.CheckSurfacePointsOnLine(ai.MyPlanet, ref lineTest1, 3);
if (!obstruction)
{
obstruction = VoxelIntersect.CheckSurfacePointsOnLine(ai.MyPlanet, ref lineTest2, 3);
}
}
else
{
var lineTest = new LineD(p.Position, targetEdgePos, targetDist);
obstruction = VoxelIntersect.CheckSurfacePointsOnLine(ai.MyPlanet, ref lineTest, 3);
}
}
}
return(obstruction);
}
private static bool Obstruction(ref TargetInfo info, ref Vector3D targetPos, Projectile p)
{
var ai = p.Info.Ai;
var obstruction = false;
for (int j = 0; j < ai.Obstructions.Count; j++)
{
var ent = ai.Obstructions[j];
var voxel = ent as MyVoxelBase;
var dir = (targetPos - p.Position);
if (voxel != null)
{
var voxelVolume = ent.PositionComp.WorldVolume;
if (voxelVolume.Contains(p.Position) != ContainmentType.Disjoint || new RayD(ref p.Position, ref dir).Intersects(voxelVolume) != null)
{
var dirNorm = Vector3D.Normalize(dir);
var targetDist = Vector3D.Distance(p.Position, targetPos);
var tRadius = info.Target.PositionComp.LocalVolume.Radius;
var testPos = p.Position + (dirNorm * (targetDist - tRadius));
var lineTest = new LineD(p.Position, testPos);
Vector3D?voxelHit = null;
using (voxel.Pin())
voxel.RootVoxel.GetIntersectionWithLine(ref lineTest, out voxelHit);
obstruction = voxelHit.HasValue;
if (obstruction)
{
break;
}
}
}
else
{
if (new RayD(ref p.Position, ref dir).Intersects(ent.PositionComp.WorldVolume) != null)
{
var rotMatrix = Quaternion.CreateFromRotationMatrix(ent.WorldMatrix);
var obb = new MyOrientedBoundingBoxD(ent.PositionComp.WorldAABB.Center, ent.PositionComp.LocalAABB.HalfExtents, rotMatrix);
var lineTest = new LineD(p.Position, targetPos);
if (obb.Intersects(ref lineTest) != null)
{
obstruction = true;
break;
}
}
}
}
if (!obstruction)
{
var dir = (targetPos - p.Position);
var ray = new RayD(ref p.Position, ref dir);
foreach (var sub in ai.SubGrids)
{
var subDist = sub.PositionComp.WorldVolume.Intersects(ray);
if (subDist.HasValue)
{
var rotMatrix = Quaternion.CreateFromRotationMatrix(ai.MyGrid.WorldMatrix);
var obb = new MyOrientedBoundingBoxD(ai.MyGrid.PositionComp.WorldAABB.Center, ai.MyGrid.PositionComp.LocalAABB.HalfExtents, rotMatrix);
if (obb.Intersects(ref ray) != null)
{
obstruction = sub.RayCastBlocks(p.Position, targetPos) != null;
}
}
if (obstruction)
{
break;
}
}
if (!obstruction && ai.PlanetSurfaceInRange && ai.MyPlanet != null)
{
var dirNorm = Vector3D.Normalize(dir);
var targetDist = Vector3D.Distance(p.Position, targetPos);
var tRadius = info.Target.PositionComp.LocalVolume.Radius;
var testPos = p.Position + (dirNorm * (targetDist - tRadius));
var lineTest = new LineD(p.Position, testPos);
using (ai.MyPlanet.Pin())
obstruction = VoxelIntersect.CheckSurfacePointsOnLine(ai.MyPlanet, lineTest, 2);
//obstruction = voxelHit.HasValue;
}
}
return(obstruction);
}
