public static void ClearSelection()
{
HitVertices = null;
HitIndices = null;
SphereTransforms = null;
CylinderTransforms = null;
PhysicsVertices = null;
PhysicsIndices = null;
if (RenderLinks != null)
{
RenderLinks.Dispose();
RenderLinks = null;
}
}
public static void BuildLinks(WorldObject wo)
{
if (RenderLinks != null)
{
RenderLinks.Dispose();
}
RenderLinks = null;
var node = new LinkNode(wo);
node.AddParentChains();
node.AddChildTrees();
if (node.Parent != null || node.Children != null)
{
RenderLinks = new RenderLinks(node);
}
}
public static void DrawHitPoly()
{
if (HitVertices == null)
{
return;
}
if (PickResult.PhysicsObj?.IsDestroyed ?? false)
{
ClearSelection();
return;
}
var rs = new RasterizerState();
rs.CullMode = Microsoft.Xna.Framework.Graphics.CullMode.None;
rs.FillMode = FillMode.WireFrame;
GraphicsDevice.RasterizerState = rs;
if (SphereTransforms == null && CylinderTransforms == null && PhysicsVertices == null)
{
Effect.CurrentTechnique = Effect.Techniques["Picker"];
foreach (var pass in Effect.CurrentTechnique.Passes)
{
pass.Apply();
GraphicsDevice.DrawUserIndexedPrimitives(PrimitiveType.LineList, HitVertices, 0, HitVertices.Length, HitIndices, 0, HitIndices.Length / 2);
}
}
else
{
if (SphereTransforms != null)
{
foreach (var sphereTransform in SphereTransforms)
{
SpherePrimitive.Draw(sphereTransform, Camera.ViewMatrix, Camera.ProjectionMatrix, Color.Orange);
}
}
if (CylinderTransforms != null)
{
foreach (var cylinderTransform in CylinderTransforms)
{
CylinderPrimitive.Draw(cylinderTransform, Camera.ViewMatrix, Camera.ProjectionMatrix, Color.Orange);
}
}
if (PhysicsVertices != null)
{
Effect.CurrentTechnique = Effect.Techniques["Picker"];
foreach (var pass in Effect.CurrentTechnique.Passes)
{
pass.Apply();
GraphicsDevice.DrawUserIndexedPrimitives(PrimitiveType.LineList, PhysicsVertices, 0, PhysicsVertices.Length, PhysicsIndices, 0, PhysicsIndices.Length / 2);
}
}
}
if (RenderLinks != null)
{
if (!RenderLinks.Head.WorldObject.PhysicsObj.IsDestroyed)
{
RenderLinks.Draw();
}
else
{
RenderLinks.Dispose();
RenderLinks = null;
}
}
}
