private async System.Threading.Tasks.Task BuildNavtion()
{
var meshList = new List <EngineNS.Graphics.Mesh.CGfxMeshPrimitives>();
var matrixList = new List <EngineNS.Matrix>();
List <EngineNS.Bricks.PhysicsCore.CPhyShape> physhapes = new List <EngineNS.Bricks.PhysicsCore.CPhyShape>();
using (var i = VP1.World.DefaultScene.Actors.GetEnumerator())
{
while (i.MoveNext())
{
EngineNS.GamePlay.Actor.GActor actor = i.Current.Value;
//if ((actor.mComponentFlags & EngineNS.GamePlay.Actor.GActor.EComponentFlags.HasPhysics)
EngineNS.Bricks.PhysicsCore.GPhysicsComponent component = actor.GetComponentRecursion <EngineNS.Bricks.PhysicsCore.GPhysicsComponent>();
EngineNS.Bricks.PhysicsCore.CollisionComponent.GPhysicsCollisionComponent component2 = actor.GetComponentRecursion <EngineNS.Bricks.PhysicsCore.CollisionComponent.GPhysicsCollisionComponent>();
if ((component != null && component.PhyActor != null && component.IsEnableNavgation) || (component2 != null && component2.IsEnableNavgation))
{
//foreach (EngineNS.Bricks.PhysicsCore.CPhyShape shape in component.PhyActor.Shapes)
//{
// if (shape.DebugActor == null)
// {
// shape.OnEditorCommitVisual(EngineNS.CEngine.Instance.RenderContext, VP1.Camera, actor);
// }
// if (shape.DebugActor != null)
// {
// EngineNS.GamePlay.Component.GMeshComponent meshcomponent = shape.DebugActor.GetComponent<EngineNS.GamePlay.Component.GMeshComponent>();
// meshList.Add(meshcomponent.SceneMesh.MeshPrimitives);
// matrixList.Add(actor.Placement.WorldMatrix);
// }
//}
//if (component.PhyActor != null && component.PhyActor.Shapes != null)
//{
//foreach (var shape in component.PhyActor.Shapes)
//{
// if (shape.AreaType > 1 && shape.AreaType < 16)
// {
// physhapes.Add(shape);
// if (shape.DebugActor == null)
// {
// shape.OnEditorCommitVisual(EngineNS.CEngine.Instance.RenderContext, VP1.Camera, actor);
// }
// }
//}
//}
EngineNS.GamePlay.Component.GMeshComponent meshcomponent = actor.GetComponent <EngineNS.GamePlay.Component.GMeshComponent>();
if (meshcomponent != null)
{
meshList.Add(meshcomponent.SceneMesh.MeshPrimitives);
matrixList.Add(actor.Placement.WorldMatrix);
}
}
}
}
//判断为空就不做任何操作了
if (meshList.Count == 0)
{
return;
}
EngineNS.BoundingBox aabb = new EngineNS.BoundingBox();
var mesh = EngineNS.CGeometryMesh.MergeGeoms(EngineNS.CEngine.Instance.RenderContext, meshList, matrixList, ref aabb);
var geom = new EngineNS.Bricks.RecastBuilder.RCInputGeom();
geom.LoadMesh(EngineNS.CEngine.Instance.RenderContext, mesh, 1);
//处理动态区域
foreach (var shape in physhapes)
{
//EngineNS.BoundingBox aabb = new EngineNS.BoundingBox();
//await shape.AwaitLoadDebugActor();
//shape.DebugActor.GetAABB(ref aabb);
//EngineNS.Vector3[] vpoints = aabb.GetCorners();
//float[] points = new float[vpoints.Length * 3];
//for (int i = 0; i < vpoints.Length; i++)
//{
// points[i * 3] = vpoints[i].X;
// points[i * 3 + 1] = vpoints[i].Y;
// points[i * 3 + 2] = vpoints[i].Z;
//}
//EngineNS.Support.CBlobObject blob = new EngineNS.Support.CBlobObject();
//unsafe
//{
// fixed (float* p = &points[0])
// {
// IntPtr ptr = (IntPtr)p;
// blob.PushData(ptr, (uint)(sizeof(float) * points.Length));
// }
//}
//geom.CreateConvexVolumes(shape.AreaType, blob);
}
RCTileMeshBuilder.InputGeom = geom;
//单独放这里处理一次 不能放在BuildNavMesh
foreach (var weak in NavMeshBoundVolumes)
{
EngineNS.GamePlay.Actor.GActor actor;
if (weak.TryGetTarget(out actor))
{
AddActorToNavModifierVolume(actor);
}
}
foreach (var weak in NavModifierVolumes)
{
EngineNS.GamePlay.Actor.GActor actor;
if (weak.TryGetTarget(out actor))
{
AddActorToNavModifierVolume(actor);
}
}
await BuildNavMesh();
}
private void AddActorToNavModifierVolume(EngineNS.GamePlay.Actor.GActor actor)
{
if (RCTileMeshBuilder.InputGeom == null)
{
return;
}
var component = actor.GetComponent <EngineNS.Bricks.RecastRuntime.NavMeshBoundVolumeComponent>();
if (component == null)
{
return;
}
EngineNS.Support.CBlobObject blob = new EngineNS.Support.CBlobObject();
EngineNS.BoundingBox box = component.GetBox();
EngineNS.Vector3[] corners = box.GetCorners();
EngineNS.Vector3[] Points = new EngineNS.Vector3[8 * 3];
Points[0] = corners[0];
Points[1] = corners[1];
Points[2] = corners[0];
Points[3] = corners[4];
Points[4] = corners[0];
Points[5] = corners[3];
Points[6] = corners[1];
Points[7] = corners[5];
Points[8] = corners[1];
Points[9] = corners[2];
Points[10] = corners[2];
Points[11] = corners[3];
Points[12] = corners[2];
Points[13] = corners[6];
Points[14] = corners[3];
Points[15] = corners[7];
Points[16] = corners[4];
Points[17] = corners[5];
Points[18] = corners[4];
Points[19] = corners[7];
Points[20] = corners[5];
Points[21] = corners[6];
Points[22] = corners[6];
Points[23] = corners[7];
List <float> data = new List <float>();
for (int i = 0; i < 24; i++)
{
data.Add(Points[i].X);
data.Add(Points[i].Y);
data.Add(Points[i].Z);
}
float[] blobdata = data.ToArray();
unsafe
{
fixed(float *p = &blobdata[0])
{
blob.PushData((IntPtr)p, (uint)(sizeof(float) * blobdata.Length));
}
}
RCTileMeshBuilder.InputGeom.CreateConvexVolumes(component.RCAreaType, blob, ref box.Minimum, ref box.Maximum);
}
