btCollisionShape* btBulletWorldImporter::convertCollisionShape( btCollisionShapeData* shapeData )
{
btCollisionShape* shape = 0;
switch (shapeData->m_shapeType)
{
case STATIC_PLANE_PROXYTYPE:
{
btStaticPlaneShapeData* planeData = (btStaticPlaneShapeData*)shapeData;
btVector3 planeNormal,localScaling;
planeNormal.deSerializeFloat(planeData->m_planeNormal);
localScaling.deSerializeFloat(planeData->m_localScaling);
shape = createPlaneShape(planeNormal,planeData->m_planeConstant);
shape->setLocalScaling(localScaling);
break;
}
case GIMPACT_SHAPE_PROXYTYPE:
{
btGImpactMeshShapeData* gimpactData = (btGImpactMeshShapeData*) shapeData;
if (gimpactData->m_gimpactSubType == CONST_GIMPACT_TRIMESH_SHAPE)
{
btTriangleIndexVertexArray* meshInterface = createMeshInterface(gimpactData->m_meshInterface);
btGImpactMeshShape* gimpactShape = createGimpactShape(meshInterface);
btVector3 localScaling;
localScaling.deSerializeFloat(gimpactData->m_localScaling);
gimpactShape->setLocalScaling(localScaling);
gimpactShape->setMargin(btScalar(gimpactData->m_collisionMargin));
gimpactShape->updateBound();
shape = gimpactShape;
} else
{
printf("unsupported gimpact sub type\n");
}
break;
}
case CYLINDER_SHAPE_PROXYTYPE:
case CAPSULE_SHAPE_PROXYTYPE:
case BOX_SHAPE_PROXYTYPE:
case SPHERE_SHAPE_PROXYTYPE:
case MULTI_SPHERE_SHAPE_PROXYTYPE:
case CONVEX_HULL_SHAPE_PROXYTYPE:
{
btConvexInternalShapeData* bsd = (btConvexInternalShapeData*)shapeData;
btVector3 implicitShapeDimensions;
implicitShapeDimensions.deSerializeFloat(bsd->m_implicitShapeDimensions);
btVector3 localScaling;
localScaling.deSerializeFloat(bsd->m_localScaling);
btVector3 margin(bsd->m_collisionMargin,bsd->m_collisionMargin,bsd->m_collisionMargin);
switch (shapeData->m_shapeType)
{
case BOX_SHAPE_PROXYTYPE:
{
shape = createBoxShape(implicitShapeDimensions/localScaling+margin);
break;
}
case SPHERE_SHAPE_PROXYTYPE:
{
shape = createSphereShape(implicitShapeDimensions.getX());
break;
}
case CAPSULE_SHAPE_PROXYTYPE:
{
btCapsuleShapeData* capData = (btCapsuleShapeData*)shapeData;
switch (capData->m_upAxis)
{
case 0:
{
shape = createCapsuleShapeX(implicitShapeDimensions.getY(),2*implicitShapeDimensions.getX());
break;
}
case 1:
{
shape = createCapsuleShapeY(implicitShapeDimensions.getX(),2*implicitShapeDimensions.getY());
break;
}
case 2:
{
shape = createCapsuleShapeZ(implicitShapeDimensions.getX(),2*implicitShapeDimensions.getZ());
break;
}
default:
{
printf("error: wrong up axis for btCapsuleShape\n");
}
};
break;
}
case CYLINDER_SHAPE_PROXYTYPE:
{
btCylinderShapeData* cylData = (btCylinderShapeData*) shapeData;
btVector3 halfExtents = implicitShapeDimensions+margin;
switch (cylData->m_upAxis)
{
case 0:
{
shape = createCylinderShapeX(halfExtents.getY(),halfExtents.getX());
break;
}
case 1:
{
shape = createCylinderShapeY(halfExtents.getX(),halfExtents.getY());
break;
}
case 2:
{
shape = createCylinderShapeZ(halfExtents.getX(),halfExtents.getZ());
break;
}
default:
{
printf("unknown Cylinder up axis\n");
}
};
break;
}
case MULTI_SPHERE_SHAPE_PROXYTYPE:
{
btMultiSphereShapeData* mss = (btMultiSphereShapeData*)bsd;
int numSpheres = mss->m_localPositionArraySize;
btAlignedObjectArray<btVector3> tmpPos;
btAlignedObjectArray<btScalar> radii;
radii.resize(numSpheres);
tmpPos.resize(numSpheres);
int i;
for ( i=0;i<numSpheres;i++)
{
tmpPos[i].deSerializeFloat(mss->m_localPositionArrayPtr[i].m_pos);
radii[i] = mss->m_localPositionArrayPtr[i].m_radius;
}
shape = new btMultiSphereShape(&tmpPos[0],&radii[0],numSpheres);
break;
}
case CONVEX_HULL_SHAPE_PROXYTYPE:
{
// int sz = sizeof(btConvexHullShapeData);
// int sz2 = sizeof(btConvexInternalShapeData);
// int sz3 = sizeof(btCollisionShapeData);
btConvexHullShapeData* convexData = (btConvexHullShapeData*)bsd;
int numPoints = convexData->m_numUnscaledPoints;
btAlignedObjectArray<btVector3> tmpPoints;
tmpPoints.resize(numPoints);
int i;
for ( i=0;i<numPoints;i++)
{
#ifdef BT_USE_DOUBLE_PRECISION
if (convexData->m_unscaledPointsDoublePtr)
tmpPoints[i].deSerialize(convexData->m_unscaledPointsDoublePtr[i]);
if (convexData->m_unscaledPointsFloatPtr)
tmpPoints[i].deSerializeFloat(convexData->m_unscaledPointsFloatPtr[i]);
#else
if (convexData->m_unscaledPointsFloatPtr)
tmpPoints[i].deSerialize(convexData->m_unscaledPointsFloatPtr[i]);
if (convexData->m_unscaledPointsDoublePtr)
tmpPoints[i].deSerializeDouble(convexData->m_unscaledPointsDoublePtr[i]);
#endif //BT_USE_DOUBLE_PRECISION
}
btConvexHullShape* hullShape = createConvexHullShape();
for (i=0;i<numPoints;i++)
{
hullShape->addPoint(tmpPoints[i]);
}
shape = hullShape;
break;
}
default:
{
printf("error: cannot create shape type (%d)\n",shapeData->m_shapeType);
}
}
if (shape)
{
shape->setMargin(bsd->m_collisionMargin);
btVector3 localScaling;
localScaling.deSerializeFloat(bsd->m_localScaling);
shape->setLocalScaling(localScaling);
}
break;
}
case TRIANGLE_MESH_SHAPE_PROXYTYPE:
{
btTriangleMeshShapeData* trimesh = (btTriangleMeshShapeData*)shapeData;
btTriangleIndexVertexArray* meshInterface = createMeshInterface(trimesh->m_meshInterface);
if (!meshInterface->getNumSubParts())
{
return 0;
}
btVector3 scaling; scaling.deSerializeFloat(trimesh->m_meshInterface.m_scaling);
meshInterface->setScaling(scaling);
btOptimizedBvh* bvh = 0;
#if 0
if (trimesh->m_quantizedFloatBvh)
{
btOptimizedBvh** bvhPtr = m_bvhMap.find(trimesh->m_quantizedFloatBvh);
if (bvhPtr && *bvhPtr)
{
bvh = *bvhPtr;
} else
{
bvh = createOptimizedBvh();
bvh->deSerializeFloat(*trimesh->m_quantizedFloatBvh);
}
}
if (trimesh->m_quantizedDoubleBvh)
{
btOptimizedBvh** bvhPtr = m_bvhMap.find(trimesh->m_quantizedDoubleBvh);
if (bvhPtr && *bvhPtr)
{
bvh = *bvhPtr;
} else
{
bvh = createOptimizedBvh();
bvh->deSerializeDouble(*trimesh->m_quantizedDoubleBvh);
}
}
#endif
btBvhTriangleMeshShape* trimeshShape = createBvhTriangleMeshShape(meshInterface,bvh);
trimeshShape->setMargin(trimesh->m_collisionMargin);
shape = trimeshShape;
if (trimesh->m_triangleInfoMap)
{
btTriangleInfoMap* map = createTriangleInfoMap();
map->deSerialize(*trimesh->m_triangleInfoMap);
trimeshShape->setTriangleInfoMap(map);
#ifdef USE_INTERNAL_EDGE_UTILITY
gContactAddedCallback = btAdjustInternalEdgeContactsCallback;
#endif //USE_INTERNAL_EDGE_UTILITY
}
//printf("trimesh->m_collisionMargin=%f\n",trimesh->m_collisionMargin);
break;
}
case COMPOUND_SHAPE_PROXYTYPE:
{
btCompoundShapeData* compoundData = (btCompoundShapeData*)shapeData;
btCompoundShape* compoundShape = createCompoundShape();
btAlignedObjectArray<btCollisionShape*> childShapes;
for (int i=0;i<compoundData->m_numChildShapes;i++)
{
btCollisionShape* childShape = convertCollisionShape(compoundData->m_childShapePtr[i].m_childShape);
if (childShape)
{
btTransform localTransform;
localTransform.deSerializeFloat(compoundData->m_childShapePtr[i].m_transform);
compoundShape->addChildShape(localTransform,childShape);
} else
{
printf("error: couldn't create childShape for compoundShape\n");
}
}
shape = compoundShape;
break;
}
default:
{
printf("unsupported shape type (%d)\n",shapeData->m_shapeType);
}
}
return shape;
}
int b3BulletDataExtractor::convertCollisionShape( Bullet3SerializeBullet2::b3CollisionShapeData* shapeData )
{
int shapeIndex = -1;
switch (shapeData->m_shapeType)
{
case STATIC_PLANE_PROXYTYPE:
{
Bullet3SerializeBullet2::b3StaticPlaneShapeData* planeData = (Bullet3SerializeBullet2::b3StaticPlaneShapeData*)shapeData;
shapeIndex = createPlaneShape(planeData->m_planeNormal,planeData->m_planeConstant, planeData->m_localScaling);
break;
}
case CYLINDER_SHAPE_PROXYTYPE:
case CAPSULE_SHAPE_PROXYTYPE:
case BOX_SHAPE_PROXYTYPE:
case SPHERE_SHAPE_PROXYTYPE:
case MULTI_SPHERE_SHAPE_PROXYTYPE:
case CONVEX_HULL_SHAPE_PROXYTYPE:
{
Bullet3SerializeBullet2::b3ConvexInternalShapeData* bsd = (Bullet3SerializeBullet2::b3ConvexInternalShapeData*)shapeData;
switch (shapeData->m_shapeType)
{
case BOX_SHAPE_PROXYTYPE:
{
shapeIndex = createBoxShape(bsd->m_implicitShapeDimensions, bsd->m_localScaling,bsd->m_collisionMargin);
break;
}
case SPHERE_SHAPE_PROXYTYPE:
{
shapeIndex = createSphereShape(bsd->m_implicitShapeDimensions.m_floats[0],bsd->m_localScaling, bsd->m_collisionMargin);
break;
}
case CONVEX_HULL_SHAPE_PROXYTYPE:
{
Bullet3SerializeBullet2::b3ConvexHullShapeData* convexData = (Bullet3SerializeBullet2::b3ConvexHullShapeData*)bsd;
int numPoints = convexData->m_numUnscaledPoints;
b3Vector3 localScaling;
localScaling.deSerializeFloat((b3Vector3FloatData&)bsd->m_localScaling);
b3AlignedObjectArray<b3Vector3> tmpPoints;
int i;
if (convexData->m_unscaledPointsFloatPtr)
{
for ( i=0;i<numPoints;i++)
{
b3Vector3 pt = b3MakeVector3(convexData->m_unscaledPointsFloatPtr[i].m_floats[0],
convexData->m_unscaledPointsFloatPtr[i].m_floats[1],
convexData->m_unscaledPointsFloatPtr[i].m_floats[2]);//convexData->m_unscaledPointsFloatPtr[i].m_floats[3]);
tmpPoints.push_back(pt*localScaling);
}
}
float unitScaling[4] = {1,1,1,1};
int strideInBytes = sizeof(b3Vector3);
strideInBytes = 4*sizeof(float);
int noHeightField = 1;
shapeIndex = m_np.registerConvexHullShape(&tmpPoints[0].m_floats[0],strideInBytes, numPoints,&unitScaling[0]);
printf("createConvexHull with %d vertices\n",numPoints);
GraphicsShape* gfxShape = createGraphicsShapeFromConvexHull(&tmpPoints[0],tmpPoints.size());
m_graphicsShapes.push_back(gfxShape);
return shapeIndex;
break;
}
#if 0
case CAPSULE_SHAPE_PROXYTYPE:
{
b3CapsuleShapeData* capData = (b3CapsuleShapeData*)shapeData;
switch (capData->m_upAxis)
{
case 0:
{
shape = createCapsuleShapeX(implicitShapeDimensions.getY(),2*implicitShapeDimensions.getX());
break;
}
case 1:
{
shape = createCapsuleShapeY(implicitShapeDimensions.getX(),2*implicitShapeDimensions.getY());
break;
}
case 2:
{
shape = createCapsuleShapeZ(implicitShapeDimensions.getX(),2*implicitShapeDimensions.getZ());
break;
}
default:
{
printf("error: wrong up axis for b3CapsuleShape\n");
}
};
break;
}
case CYLINDER_SHAPE_PROXYTYPE:
{
b3CylinderShapeData* cylData = (b3CylinderShapeData*) shapeData;
b3Vector3 halfExtents = implicitShapeDimensions+margin;
switch (cylData->m_upAxis)
{
case 0:
{
shape = createCylinderShapeX(halfExtents.getY(),halfExtents.getX());
break;
}
case 1:
{
shape = createCylinderShapeY(halfExtents.getX(),halfExtents.getY());
break;
}
case 2:
{
shape = createCylinderShapeZ(halfExtents.getX(),halfExtents.getZ());
break;
}
default:
{
printf("unknown Cylinder up axis\n");
}
};
break;
}
case MULTI_SPHERE_SHAPE_PROXYTYPE:
{
b3MultiSphereShapeData* mss = (b3MultiSphereShapeData*)bsd;
int numSpheres = mss->m_localPositionArraySize;
int i;
for ( i=0;i<numSpheres;i++)
{
tmpPos[i].deSerializeFloat(mss->m_localPositionArrayPtr[i].m_pos);
radii[i] = mss->m_localPositionArrayPtr[i].m_radius;
}
shape = new b3MultiSphereShape(&tmpPos[0],&radii[0],numSpheres);
break;
}
#endif
default:
{
printf("error: cannot create shape type (%d)\n",shapeData->m_shapeType);
}
}
break;
}
case TRIANGLE_MESH_SHAPE_PROXYTYPE:
{
Bullet3SerializeBullet2::b3TriangleMeshShapeData* trimesh = (Bullet3SerializeBullet2::b3TriangleMeshShapeData*)shapeData;
printf("numparts = %d\n",trimesh->m_meshInterface.m_numMeshParts);
if (trimesh->m_meshInterface.m_numMeshParts)
{
for (int i=0;i<trimesh->m_meshInterface.m_numMeshParts;i++)
{
Bullet3SerializeBullet2::b3MeshPartData& dat = trimesh->m_meshInterface.m_meshPartsPtr[i];
printf("numtris = %d, numverts = %d\n", dat.m_numTriangles,dat.m_numVertices);//,dat.m_vertices3f,dat.m_3indices16
printf("scaling = %f,%f,%f\n", trimesh->m_meshInterface.m_scaling.m_floats[0],trimesh->m_meshInterface.m_scaling.m_floats[1],trimesh->m_meshInterface.m_scaling.m_floats[2]);
// dat.
//dat.
}
///trimesh->m_meshInterface.m_meshPartsPtr
//trimesh->m_meshInterface.m_scaling
}
//trimesh->m_meshInterface
//b3TriangleIndexVertexArray* meshInterface = createMeshInterface(trimesh->m_meshInterface);
//scaling
//b3Vector3 scaling; scaling.deSerializeFloat(trimesh->m_meshInterface.m_scaling);
//meshInterface->setScaling(scaling);
//printf("trimesh->m_collisionMargin=%f\n",trimesh->m_collisionMargin);
break;
}
#if 0
case COMPOUND_SHAPE_PROXYTYPE:
{
b3CompoundShapeData* compoundData = (b3CompoundShapeData*)shapeData;
b3CompoundShape* compoundShape = createCompoundShape();
b3AlignedObjectArray<b3CollisionShape*> childShapes;
for (int i=0;i<compoundData->m_numChildShapes;i++)
{
b3CollisionShape* childShape = convertCollisionShape(compoundData->m_childShapePtr[i].m_childShape);
if (childShape)
{
b3Transform localTransform;
localTransform.deSerializeFloat(compoundData->m_childShapePtr[i].m_transform);
compoundShape->addChildShape(localTransform,childShape);
} else
{
printf("error: couldn't create childShape for compoundShape\n");
}
}
shape = compoundShape;
break;
}
case GIMPACT_SHAPE_PROXYTYPE:
{
b3GImpactMeshShapeData* gimpactData = (b3GImpactMeshShapeData*) shapeData;
if (gimpactData->m_gimpactSubType == CONST_GIMPACT_TRIMESH_SHAPE)
{
b3TriangleIndexVertexArray* meshInterface = createMeshInterface(gimpactData->m_meshInterface);
b3GImpactMeshShape* gimpactShape = createGimpactShape(meshInterface);
b3Vector3 localScaling;
localScaling.deSerializeFloat(gimpactData->m_localScaling);
gimpactShape->setLocalScaling(localScaling);
gimpactShape->setMargin(b3Scalar(gimpactData->m_collisionMargin));
gimpactShape->updateBound();
shape = gimpactShape;
} else
{
printf("unsupported gimpact sub type\n");
}
break;
}
case SOFTBODY_SHAPE_PROXYTYPE:
{
return 0;
}
#endif
default:
{
printf("unsupported shape type (%d)\n",shapeData->m_shapeType);
}
}
return shapeIndex;
}