public ConvexShapeDesc CreateConvexHull(StaticMeshData meshData)
{
// create descriptor for convex hull
ConvexShapeDesc convexMeshShapeDesc = null;
ConvexMeshDesc convexMeshDesc = new ConvexMeshDesc();
convexMeshDesc.PinPoints <float>(meshData.Points, 0, sizeof(float) * 3);
convexMeshDesc.PinTriangles <uint>(meshData.Indices, 0, sizeof(uint) * 3);
convexMeshDesc.VertexCount = (uint)meshData.Vertices.Length;
convexMeshDesc.TriangleCount = (uint)meshData.TriangleCount;
convexMeshDesc.Flags = ConvexFlags.ComputeConvex;
MemoryStream stream = new MemoryStream(1024);
CookingInterface.InitCooking();
if (CookingInterface.CookConvexMesh(convexMeshDesc, stream))
{
stream.Seek(0, SeekOrigin.Begin);
ConvexMesh convexMesh = physics.CreateConvexMesh(stream);
convexMeshShapeDesc = new ConvexShapeDesc(convexMesh);
CookingInterface.CloseCooking();
}
convexMeshDesc.UnpinAll();
return(convexMeshShapeDesc);
}
public TriangleMeshShapeDesc CreateTriangleMesh(StaticMeshData meshData)
{
// create descriptor for triangle mesh
TriangleMeshShapeDesc triangleMeshShapeDesc = null;
TriangleMeshDesc triangleMeshDesc = new TriangleMeshDesc();
triangleMeshDesc.PinPoints <float>(meshData.Points, 0, sizeof(float) * 3);
triangleMeshDesc.PinTriangles <uint>(meshData.Indices, 0, sizeof(uint) * 3);
triangleMeshDesc.VertexCount = (uint)meshData.Vertices.Length;
triangleMeshDesc.TriangleCount = (uint)meshData.TriangleCount;
MemoryStream stream = new MemoryStream(1024);
CookingInterface.InitCooking();
if (CookingInterface.CookTriangleMesh(triangleMeshDesc, stream))
{
stream.Seek(0, SeekOrigin.Begin);
TriangleMesh triangleMesh = physics.CreateTriangleMesh(stream);
triangleMeshShapeDesc = new TriangleMeshShapeDesc(triangleMesh);
CookingInterface.CloseCooking();
}
triangleMeshDesc.UnpinAll();
return(triangleMeshShapeDesc);
}
public ActorDesc CreateActorDesc(EntityWorldEntity entityNode, Entity entity, Vector3 position, Quaternion orientation, Vector3 scale)
{
ActorDesc actorDesc = new ActorDesc();
actorDesc.GlobalPosition = position;
actorDesc.GlobalOrientation = orientation.ToRotationMatrix();
if (entityNode.CollisionMode == CollisionMode.ConvexHull || entityNode.CollisionMode == CollisionMode.TriangleMesh)
{
StaticMeshData meshData = new StaticMeshData(entity.GetMesh(), scale);
if (entityNode.CollisionMode == CollisionMode.TriangleMesh)
{
actorDesc.Shapes.Add(Engine.Physics.CreateTriangleMesh(meshData));
}
else
{
actorDesc.Shapes.Add(Engine.Physics.CreateConvexHull(meshData));
}
}
else
{
switch (entityNode.CollisionMode)
{
case CollisionMode.BoundingBox:
actorDesc.Shapes.Add(new BoxShapeDesc(entity.BoundingBox.HalfSize * scale, entity.BoundingBox.Center * scale));
break;
case CollisionMode.BoundingSphere:
actorDesc.Shapes.Add(new SphereShapeDesc(Engine.MaxAxis(entity.BoundingBox.HalfSize), entity.BoundingBox.Center * scale));
break;
case CollisionMode.Shapes:
foreach (ShapeDesc shapeDesc in entityNode.Shapes)
{
actorDesc.Shapes.Add(shapeDesc);
}
break;
default:
throw new Exception(entityNode.CollisionMode.ToString() + " not implemented");
}
}
return(actorDesc);
}
public ActorDesc CreateActorDesc(EntityWorldEntity entityNode, Entity entity, Vector3 position, Quaternion orientation, Vector3 scale)
{
ActorDesc actorDesc = new ActorDesc();
actorDesc.GlobalPosition = position;
actorDesc.GlobalOrientation = orientation.ToRotationMatrix();
if (entityNode.CollisionMode == CollisionMode.ConvexHull || entityNode.CollisionMode == CollisionMode.TriangleMesh)
{
StaticMeshData meshData = new StaticMeshData(entity.GetMesh(), scale);
if (entityNode.CollisionMode == CollisionMode.TriangleMesh)
actorDesc.Shapes.Add(Engine.Physics.CreateTriangleMesh(meshData));
else
actorDesc.Shapes.Add(Engine.Physics.CreateConvexHull(meshData));
}
else
{
switch (entityNode.CollisionMode)
{
case CollisionMode.BoundingBox:
actorDesc.Shapes.Add(new BoxShapeDesc(entity.BoundingBox.HalfSize * scale, entity.BoundingBox.Center * scale));
break;
case CollisionMode.BoundingSphere:
actorDesc.Shapes.Add(new SphereShapeDesc(Engine.MaxAxis(entity.BoundingBox.HalfSize), entity.BoundingBox.Center * scale));
break;
case CollisionMode.Shapes:
foreach (ShapeDesc shapeDesc in entityNode.Shapes)
actorDesc.Shapes.Add(shapeDesc);
break;
default:
throw new Exception(entityNode.CollisionMode.ToString() + " not implemented");
}
}
return actorDesc;
}
public ConvexShapeDesc CreateConvexHull(StaticMeshData meshData)
{
// create descriptor for convex hull
ConvexShapeDesc convexMeshShapeDesc = null;
ConvexMeshDesc convexMeshDesc = new ConvexMeshDesc();
convexMeshDesc.PinPoints<float>(meshData.Points, 0, sizeof(float) * 3);
convexMeshDesc.PinTriangles<uint>(meshData.Indices, 0, sizeof(uint) * 3);
convexMeshDesc.VertexCount = (uint)meshData.Vertices.Length;
convexMeshDesc.TriangleCount = (uint)meshData.TriangleCount;
convexMeshDesc.Flags = ConvexFlags.ComputeConvex;
MemoryStream stream = new MemoryStream(1024);
CookingInterface.InitCooking();
if (CookingInterface.CookConvexMesh(convexMeshDesc, stream))
{
stream.Seek(0, SeekOrigin.Begin);
ConvexMesh convexMesh = physics.CreateConvexMesh(stream);
convexMeshShapeDesc = new ConvexShapeDesc(convexMesh);
CookingInterface.CloseCooking();
}
convexMeshDesc.UnpinAll();
return convexMeshShapeDesc;
}
public TriangleMeshShapeDesc CreateTriangleMesh(StaticMeshData meshData)
{
// create descriptor for triangle mesh
TriangleMeshShapeDesc triangleMeshShapeDesc = null;
TriangleMeshDesc triangleMeshDesc = new TriangleMeshDesc();
triangleMeshDesc.PinPoints<float>(meshData.Points, 0, sizeof(float) * 3);
triangleMeshDesc.PinTriangles<uint>(meshData.Indices, 0, sizeof(uint) * 3);
triangleMeshDesc.VertexCount = (uint)meshData.Vertices.Length;
triangleMeshDesc.TriangleCount = (uint)meshData.TriangleCount;
MemoryStream stream = new MemoryStream(1024);
CookingInterface.InitCooking();
if (CookingInterface.CookTriangleMesh(triangleMeshDesc, stream))
{
stream.Seek(0, SeekOrigin.Begin);
TriangleMesh triangleMesh = physics.CreateTriangleMesh(stream);
triangleMeshShapeDesc = new TriangleMeshShapeDesc(triangleMesh);
CookingInterface.CloseCooking();
}
triangleMeshDesc.UnpinAll();
return triangleMeshShapeDesc;
}
