public HitObject[] GenerateHitObjects(Table.Table table, PrimitiveMeshGenerator meshGenerator, IItem item)
{
if (_data.Name == "playfield_mesh")
{
_data.IsVisible = false;
_primitive.UseAsPlayfield = true;
}
// playfield can't be a toy
if (_data.IsToy && !_primitive.UseAsPlayfield)
{
return(new HitObject[0]);
}
var mesh = meshGenerator.GetTransformedMesh(table, Origin.Global, false);
var reducedVertices = System.Math.Max(
(uint)MathF.Pow(mesh.Vertices.Length,
MathF.Clamp(1f - _data.CollisionReductionFactor, 0f, 1f) * 0.25f + 0.75f),
420u //!! 420 = magic
);
if (reducedVertices < mesh.Vertices.Length)
{
mesh = ComputeReducedMesh(mesh, reducedVertices);
}
return(MeshToHitObjects(mesh, ItemType.Primitive, item).Select(ho => SetupHitObject(ho, table)).ToArray());
}
public Primitive(PrimitiveData data) : base(data)
{
_meshGenerator = new PrimitiveMeshGenerator(Data);
_hitGenerator = new PrimitiveHitGenerator(this);
}
public HitObject[] GenerateHitObjects(Table.Table table, PrimitiveMeshGenerator meshGenerator)
{
var hitObjects = new List <HitObject>();
if (_data.Name == "playfield_mesh")
{
_data.IsVisible = false;
_primitive.UseAsPlayfield = true;
}
// playfield can't be a toy
if (_data.IsToy && !_primitive.UseAsPlayfield)
{
return(hitObjects.ToArray());
}
var mesh = meshGenerator.GetTransformedMesh(table, Origin.Global, false);
var reducedVertices = System.Math.Max(
(uint)MathF.Pow(mesh.Vertices.Length,
MathF.Clamp(1f - _data.CollisionReductionFactor, 0f, 1f) * 0.25f + 0.75f),
420u //!! 420 = magic
);
if (reducedVertices < mesh.Vertices.Length)
{
mesh = ComputeReducedMesh(mesh, reducedVertices);
}
var addedEdges = new EdgeSet();
// add collision triangles and edges
for (var i = 0; i < mesh.Indices.Length; i += 3)
{
var i0 = mesh.Indices[i];
var i1 = mesh.Indices[i + 1];
var i2 = mesh.Indices[i + 2];
// NB: HitTriangle wants CCW vertices, but for rendering we have them in CW order
var rgv3D = new[] {
mesh.Vertices[i0].GetVertex(),
mesh.Vertices[i2].GetVertex(),
mesh.Vertices[i1].GetVertex(),
};
hitObjects.Add(new HitTriangle(rgv3D, ItemType.Primitive));
hitObjects.AddRange(addedEdges.AddHitEdge(i0, i1, rgv3D[0], rgv3D[2], ItemType.Primitive));
hitObjects.AddRange(addedEdges.AddHitEdge(i1, i2, rgv3D[2], rgv3D[1], ItemType.Primitive));
hitObjects.AddRange(addedEdges.AddHitEdge(i2, i0, rgv3D[1], rgv3D[0], ItemType.Primitive));
}
// add collision vertices
foreach (var vertex in mesh.Vertices)
{
hitObjects.Add(new HitPoint(vertex.GetVertex(), ItemType.Primitive));
}
return(hitObjects.Select(ho => SetupHitObject(ho, table)).ToArray());
}
