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/*
* Copyright (c) Contributors, http://opensimulator.org/
* See CONTRIBUTORS.TXT for a full list of copyright holders.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of the OpenSimulator Project nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using NUnit.Framework;
using log4net;
using OpenSim.Framework;
using OpenSim.Region.Physics.BulletSPlugin;
using OpenSim.Region.Physics.Manager;
using OpenSim.Tests.Common;
using OpenMetaverse;
namespace OpenSim.Region.Physics.BulletSPlugin.Tests
{
[TestFixture]
public class HullCreation : OpenSimTestCase
{
// Documentation on attributes: http://www.nunit.org/index.php?p=attributes&r=2.6.1
// Documentation on assertions: http://www.nunit.org/index.php?p=assertions&r=2.6.1
BSScene PhysicsScene { get; set; }
Vector3 ObjectInitPosition;
float simulationTimeStep = 0.089f;
[TestFixtureSetUp]
public void Init()
{
}
[TestFixtureTearDown]
public void TearDown()
{
if (PhysicsScene != null)
{
// The Dispose() will also free any physical objects in the scene
PhysicsScene.Dispose();
PhysicsScene = null;
}
}
[TestCase(7, 2, 5f, 5f, 32, 0f)] /* default hull parameters */
public void GeomHullConvexDecomp( int maxDepthSplit,
int maxDepthSplitForSimpleShapes,
float concavityThresholdPercent,
float volumeConservationThresholdPercent,
int maxVertices,
float maxSkinWidth)
{
// Setup the physics engine to use the C# version of convex decomp
Dictionary<string, string> engineParams = new Dictionary<string, string>();
engineParams.Add("MeshSculptedPrim", "true"); // ShouldMeshSculptedPrim
engineParams.Add("ForceSimplePrimMeshing", "false"); // ShouldForceSimplePrimMeshing
engineParams.Add("UseHullsForPhysicalObjects", "true"); // ShouldUseHullsForPhysicalObjects
engineParams.Add("ShouldRemoveZeroWidthTriangles", "true");
engineParams.Add("ShouldUseBulletHACD", "false");
engineParams.Add("ShouldUseSingleConvexHullForPrims", "true");
engineParams.Add("ShouldUseGImpactShapeForPrims", "false");
engineParams.Add("ShouldUseAssetHulls", "true");
engineParams.Add("CSHullMaxDepthSplit", maxDepthSplit.ToString());
engineParams.Add("CSHullMaxDepthSplitForSimpleShapes", maxDepthSplitForSimpleShapes.ToString());
engineParams.Add("CSHullConcavityThresholdPercent", concavityThresholdPercent.ToString());
engineParams.Add("CSHullVolumeConservationThresholdPercent", volumeConservationThresholdPercent.ToString());
engineParams.Add("CSHullMaxVertices", maxVertices.ToString());
engineParams.Add("CSHullMaxSkinWidth", maxSkinWidth.ToString());
PhysicsScene = BulletSimTestsUtil.CreateBasicPhysicsEngine(engineParams);
PrimitiveBaseShape pbs;
Vector3 pos;
Vector3 size;
Quaternion rot;
bool isPhys;
// Cylinder
pbs = PrimitiveBaseShape.CreateCylinder();
pos = new Vector3(100.0f, 100.0f, 0f);
pos.Z = PhysicsScene.TerrainManager.GetTerrainHeightAtXYZ(pos) + 10f;
ObjectInitPosition = pos;
size = new Vector3(2f, 2f, 2f);
pbs.Scale = size;
rot = Quaternion.Identity;
isPhys = true;
uint cylinderLocalID = 123;
PhysicsScene.AddPrimShape("testCylinder", pbs, pos, size, rot, isPhys, cylinderLocalID);
BSPrim primTypeCylinder = (BSPrim)PhysicsScene.PhysObjects[cylinderLocalID];
// Hollow Cylinder
pbs = PrimitiveBaseShape.CreateCylinder();
pbs.ProfileHollow = (ushort)(0.70f * 50000);
pos = new Vector3(110.0f, 110.0f, 0f);
pos.Z = PhysicsScene.TerrainManager.GetTerrainHeightAtXYZ(pos) + 10f;
ObjectInitPosition = pos;
size = new Vector3(2f, 2f, 2f);
pbs.Scale = size;
rot = Quaternion.Identity;
isPhys = true;
uint hollowCylinderLocalID = 124;
PhysicsScene.AddPrimShape("testHollowCylinder", pbs, pos, size, rot, isPhys, hollowCylinderLocalID);
BSPrim primTypeHollowCylinder = (BSPrim)PhysicsScene.PhysObjects[hollowCylinderLocalID];
// Torus
// ProfileCurve = Circle, PathCurve = Curve1
pbs = PrimitiveBaseShape.CreateSphere();
pbs.ProfileShape = (byte)ProfileShape.Circle;
pbs.PathCurve = (byte)Extrusion.Curve1;
pbs.PathScaleX = 100; // default hollow info as set in the viewer
pbs.PathScaleY = (int)(.25f / 0.01f) + 200;
pos = new Vector3(120.0f, 120.0f, 0f);
pos.Z = PhysicsScene.TerrainManager.GetTerrainHeightAtXYZ(pos) + 10f;
ObjectInitPosition = pos;
size = new Vector3(2f, 4f, 4f);
pbs.Scale = size;
rot = Quaternion.Identity;
isPhys = true;
uint torusLocalID = 125;
PhysicsScene.AddPrimShape("testTorus", pbs, pos, size, rot, isPhys, torusLocalID);
BSPrim primTypeTorus = (BSPrim)PhysicsScene.PhysObjects[torusLocalID];
// The actual prim shape creation happens at taint time
PhysicsScene.ProcessTaints();
// Check out the created hull shapes and report their characteristics
ReportShapeGeom(primTypeCylinder);
ReportShapeGeom(primTypeHollowCylinder);
ReportShapeGeom(primTypeTorus);
}
[TestCase]
public void GeomHullBulletHACD()
{
// Cylinder
// Hollow Cylinder
// Torus
}
private void ReportShapeGeom(BSPrim prim)
{
if (prim != null)
{
if (prim.PhysShape.HasPhysicalShape)
{
BSShape physShape = prim.PhysShape;
string shapeType = physShape.GetType().ToString();
switch (shapeType)
{
case "OpenSim.Region.Physics.BulletSPlugin.BSShapeNative":
BSShapeNative nShape = physShape as BSShapeNative;
prim.PhysScene.DetailLog("{0}, type={1}", prim.Name, shapeType);
break;
case "OpenSim.Region.Physics.BulletSPlugin.BSShapeMesh":
BSShapeMesh mShape = physShape as BSShapeMesh;
prim.PhysScene.DetailLog("{0}, mesh, shapeInfo={1}", prim.Name, mShape.shapeInfo);
break;
case "OpenSim.Region.Physics.BulletSPlugin.BSShapeHull":
// BSShapeHull hShape = physShape as BSShapeHull;
// prim.PhysScene.DetailLog("{0}, hull, shapeInfo={1}", prim.Name, hShape.shapeInfo);
break;
case "OpenSim.Region.Physics.BulletSPlugin.BSShapeConvexHull":
BSShapeConvexHull chShape = physShape as BSShapeConvexHull;
prim.PhysScene.DetailLog("{0}, convexHull, shapeInfo={1}", prim.Name, chShape.shapeInfo);
break;
case "OpenSim.Region.Physics.BulletSPlugin.BSShapeCompound":
BSShapeCompound cShape = physShape as BSShapeCompound;
prim.PhysScene.DetailLog("{0}, type={1}", prim.Name, shapeType);
break;
default:
prim.PhysScene.DetailLog("{0}, type={1}", prim.Name, shapeType);
break;
}
}
}
}
}
}
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