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Code Issues Releases Wiki Activity

Restore animated collision shape rescaling

Browse Source
macos_ci_fix
Alexei Kotov 1 year ago
parent 53f5e4dd3c
commit 754c5a8e2a
5 changed files with 132 additions and 46 deletions
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12
apps/openmw/mwphysics/object.cpp
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@ -137,6 +137,7 @@ namespace MWPhysics
osg::NodePath& nodePath = nodePathFound->second;
osg::Matrixf matrix = osg::computeLocalToWorld(nodePath);
btVector3 scale = Misc::Convert::toBullet(matrix.getScale());
matrix.orthoNormalize(matrix);
btTransform transform;
@ -145,8 +146,15 @@ namespace MWPhysics
for (int j = 0; j < 3; ++j)
transform.getBasis()[i][j] = matrix(j, i); // NB column/row major difference
// Note: we can not apply scaling here for now since we treat scaled shapes
// as new shapes (btScaledBvhTriangleMeshShape) with 1.0 scale for now
btCollisionShape* childShape = compound->getChildShape(shapeIndex);
btVector3 newScale = compound->getLocalScaling() * scale;
if (childShape->getLocalScaling() != newScale)
{
childShape->setLocalScaling(newScale);
result = true;
}
if (!(transform == compound->getChildTransform(shapeIndex)))
{
compound->updateChildTransform(shapeIndex, transform);

126
apps/openmw_test_suite/nifloader/testbulletnifloader.cpp
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@ -144,6 +144,12 @@ namespace Resource
return stream << "}}";
}
static std::ostream& operator<<(std::ostream& stream, const ScaledTriangleMeshShape& value)
{
return stream << "Resource::ScaledTriangleMeshShape {" << value.getLocalScaling() << ", "
<< value.getChildShape() << "}";
}
static bool operator==(const CollisionBox& l, const CollisionBox& r)
{
const auto tie = [](const CollisionBox& v) { return std::tie(v.mExtents, v.mCenter); };
@ -169,6 +175,10 @@ static std::ostream& operator<<(std::ostream& stream, const btCollisionShape& va
if (const auto casted = dynamic_cast<const Resource::TriangleMeshShape*>(&value))
return stream << *casted;
break;
case SCALED_TRIANGLE_MESH_SHAPE_PROXYTYPE:
if (const auto casted = dynamic_cast<const Resource::ScaledTriangleMeshShape*>(&value))
return stream << *casted;
break;
}
return stream << "btCollisionShape {" << value.getShapeType() << "}";
}
@ -249,6 +259,12 @@ static bool operator==(const btBvhTriangleMeshShape& lhs, const btBvhTriangleMes
&& lhs.getOwnsBvh() == rhs.getOwnsBvh() && isNear(getTriangles(lhs), getTriangles(rhs));
}
static bool operator==(const btScaledBvhTriangleMeshShape& lhs, const btScaledBvhTriangleMeshShape& rhs)
{
return isNear(lhs.getLocalScaling(), rhs.getLocalScaling())
&& compareObjects(lhs.getChildShape(), rhs.getChildShape());
}
static bool operator==(const btCollisionShape& lhs, const btCollisionShape& rhs)
{
if (lhs.getShapeType() != rhs.getShapeType())
@ -264,6 +280,11 @@ static bool operator==(const btCollisionShape& lhs, const btCollisionShape& rhs)
if (const auto rhsCasted = dynamic_cast<const Resource::TriangleMeshShape*>(&rhs))
return *lhsCasted == *rhsCasted;
return false;
case SCALED_TRIANGLE_MESH_SHAPE_PROXYTYPE:
if (const auto lhsCasted = dynamic_cast<const Resource::ScaledTriangleMeshShape*>(&lhs))
if (const auto rhsCasted = dynamic_cast<const Resource::ScaledTriangleMeshShape*>(&rhs))
return *lhsCasted == *rhsCasted;
return false;
}
return false;
}
@ -572,7 +593,9 @@ namespace
triangles->addTriangle(btVector3(0, 0, 0), btVector3(1, 0, 0), btVector3(1, 1, 0));
std::unique_ptr<btCompoundShape> compound(new btCompoundShape);
compound->addChildShape(btTransform::getIdentity(), new Resource::TriangleMeshShape(triangles.release(), true));
auto triShape = std::make_unique<Resource::TriangleMeshShape>(triangles.release(), true);
compound->addChildShape(
btTransform::getIdentity(), new Resource::ScaledTriangleMeshShape(triShape.release(), btVector3(1, 1, 1)));
Resource::BulletShape expected;
expected.mCollisionShape.reset(compound.release());
@ -596,7 +619,9 @@ namespace
triangles->addTriangle(btVector3(0, 0, 0), btVector3(1, 0, 0), btVector3(1, 1, 0));
std::unique_ptr<btCompoundShape> compound(new btCompoundShape);
compound->addChildShape(btTransform::getIdentity(), new Resource::TriangleMeshShape(triangles.release(), true));
auto triShape = std::make_unique<Resource::TriangleMeshShape>(triangles.release(), true);
compound->addChildShape(
btTransform::getIdentity(), new Resource::ScaledTriangleMeshShape(triShape.release(), btVector3(1, 1, 1)));
Resource::BulletShape expected;
expected.mCollisionShape.reset(compound.release());
@ -619,7 +644,9 @@ namespace
triangles->addTriangle(btVector3(0, 0, 0), btVector3(1, 0, 0), btVector3(1, 1, 0));
std::unique_ptr<btCompoundShape> compound(new btCompoundShape);
compound->addChildShape(btTransform::getIdentity(), new Resource::TriangleMeshShape(triangles.release(), true));
auto triShape = std::make_unique<Resource::TriangleMeshShape>(triangles.release(), true);
compound->addChildShape(
btTransform::getIdentity(), new Resource::ScaledTriangleMeshShape(triShape.release(), btVector3(1, 1, 1)));
Resource::BulletShape expected;
expected.mCollisionShape.reset(compound.release());
@ -644,7 +671,9 @@ namespace
triangles->addTriangle(btVector3(0, 0, 0), btVector3(1, 0, 0), btVector3(1, 1, 0));
std::unique_ptr<btCompoundShape> compound(new btCompoundShape);
compound->addChildShape(btTransform::getIdentity(), new Resource::TriangleMeshShape(triangles.release(), true));
auto triShape = std::make_unique<Resource::TriangleMeshShape>(triangles.release(), true);
compound->addChildShape(
btTransform::getIdentity(), new Resource::ScaledTriangleMeshShape(triShape.release(), btVector3(1, 1, 1)));
Resource::BulletShape expected;
expected.mCollisionShape.reset(compound.release());
@ -669,9 +698,13 @@ namespace
std::unique_ptr<btTriangleMesh> triangles2(new btTriangleMesh(false));
triangles2->addTriangle(btVector3(0, 0, 1), btVector3(1, 0, 1), btVector3(1, 1, 1));
std::unique_ptr<btCompoundShape> compound(new btCompoundShape);
compound->addChildShape(btTransform::getIdentity(), new Resource::TriangleMeshShape(triangles.release(), true));
auto triShape = std::make_unique<Resource::TriangleMeshShape>(triangles.release(), true);
auto triShape2 = std::make_unique<Resource::TriangleMeshShape>(triangles2.release(), true);
compound->addChildShape(
btTransform::getIdentity(), new Resource::ScaledTriangleMeshShape(triShape.release(), btVector3(1, 1, 1)));
compound->addChildShape(
btTransform::getIdentity(), new Resource::TriangleMeshShape(triangles2.release(), true));
btTransform::getIdentity(), new Resource::ScaledTriangleMeshShape(triShape2.release(), btVector3(1, 1, 1)));
Resource::BulletShape expected;
expected.mCollisionShape.reset(compound.release());
@ -695,7 +728,9 @@ namespace
std::unique_ptr<btTriangleMesh> triangles(new btTriangleMesh(false));
triangles->addTriangle(btVector3(0, 0, 0), btVector3(1, 0, 0), btVector3(1, 1, 0));
std::unique_ptr<btCompoundShape> compound(new btCompoundShape);
compound->addChildShape(btTransform::getIdentity(), new Resource::TriangleMeshShape(triangles.release(), true));
auto triShape = std::make_unique<Resource::TriangleMeshShape>(triangles.release(), true);
compound->addChildShape(
btTransform::getIdentity(), new Resource::ScaledTriangleMeshShape(triShape.release(), btVector3(1, 1, 1)));
Resource::BulletShape expected;
expected.mCollisionShape.reset(compound.release());
@ -717,9 +752,8 @@ namespace
std::unique_ptr<btTriangleMesh> triangles(new btTriangleMesh(false));
triangles->addTriangle(btVector3(0, 0, 0), btVector3(1, 0, 0), btVector3(1, 1, 0));
std::unique_ptr<Resource::TriangleMeshShape> mesh(new Resource::TriangleMeshShape(triangles.release(), true));
mesh->setLocalScaling(btVector3(3, 3, 3));
std::unique_ptr<btCompoundShape> shape(new btCompoundShape);
shape->addChildShape(mTransform, mesh.release());
shape->addChildShape(mTransform, new Resource::ScaledTriangleMeshShape(mesh.release(), btVector3(3, 3, 3)));
Resource::BulletShape expected;
expected.mCollisionShape.reset(shape.release());
expected.mAnimatedShapes = { { -1, 0 } };
@ -744,9 +778,9 @@ namespace
std::unique_ptr<btTriangleMesh> triangles(new btTriangleMesh(false));
triangles->addTriangle(btVector3(0, 0, 0), btVector3(1, 0, 0), btVector3(1, 1, 0));
std::unique_ptr<Resource::TriangleMeshShape> mesh(new Resource::TriangleMeshShape(triangles.release(), true));
mesh->setLocalScaling(btVector3(12, 12, 12));
std::unique_ptr<btCompoundShape> shape(new btCompoundShape);
shape->addChildShape(mTransformScale4, mesh.release());
shape->addChildShape(
mTransformScale4, new Resource::ScaledTriangleMeshShape(mesh.release(), btVector3(12, 12, 12)));
Resource::BulletShape expected;
expected.mCollisionShape.reset(shape.release());
expected.mAnimatedShapes = { { -1, 0 } };
@ -776,16 +810,14 @@ namespace
std::unique_ptr<btTriangleMesh> triangles(new btTriangleMesh(false));
triangles->addTriangle(btVector3(0, 0, 0), btVector3(1, 0, 0), btVector3(1, 1, 0));
std::unique_ptr<Resource::TriangleMeshShape> mesh(new Resource::TriangleMeshShape(triangles.release(), true));
mesh->setLocalScaling(btVector3(3, 3, 3));
std::unique_ptr<btTriangleMesh> triangles2(new btTriangleMesh(false));
triangles2->addTriangle(btVector3(0, 0, 1), btVector3(1, 0, 1), btVector3(1, 1, 1));
std::unique_ptr<Resource::TriangleMeshShape> mesh2(new Resource::TriangleMeshShape(triangles2.release(), true));
mesh2->setLocalScaling(btVector3(3, 3, 3));
std::unique_ptr<btCompoundShape> shape(new btCompoundShape);
shape->addChildShape(mTransform, mesh.release());
shape->addChildShape(mTransform, mesh2.release());
shape->addChildShape(mTransform, new Resource::ScaledTriangleMeshShape(mesh.release(), btVector3(3, 3, 3)));
shape->addChildShape(mTransform, new Resource::ScaledTriangleMeshShape(mesh2.release(), btVector3(3, 3, 3)));
Resource::BulletShape expected;
expected.mCollisionShape.reset(shape.release());
expected.mAnimatedShapes = { { -1, 0 } };
@ -813,9 +845,9 @@ namespace
std::unique_ptr<btTriangleMesh> triangles(new btTriangleMesh(false));
triangles->addTriangle(btVector3(0, 0, 0), btVector3(1, 0, 0), btVector3(1, 1, 0));
std::unique_ptr<Resource::TriangleMeshShape> mesh(new Resource::TriangleMeshShape(triangles.release(), true));
mesh->setLocalScaling(btVector3(12, 12, 12));
std::unique_ptr<btCompoundShape> shape(new btCompoundShape);
shape->addChildShape(mTransformScale4, mesh.release());
shape->addChildShape(
mTransformScale4, new Resource::ScaledTriangleMeshShape(mesh.release(), btVector3(12, 12, 12)));
Resource::BulletShape expected;
expected.mCollisionShape.reset(shape.release());
expected.mAnimatedShapes = { { -1, 0 } };
@ -849,16 +881,16 @@ namespace
std::unique_ptr<btTriangleMesh> triangles(new btTriangleMesh(false));
triangles->addTriangle(btVector3(0, 0, 0), btVector3(1, 0, 0), btVector3(1, 1, 0));
std::unique_ptr<Resource::TriangleMeshShape> mesh(new Resource::TriangleMeshShape(triangles.release(), true));
mesh->setLocalScaling(btVector3(12, 12, 12));
std::unique_ptr<btTriangleMesh> triangles2(new btTriangleMesh(false));
triangles2->addTriangle(btVector3(0, 0, 1), btVector3(1, 0, 1), btVector3(1, 1, 1));
std::unique_ptr<Resource::TriangleMeshShape> mesh2(new Resource::TriangleMeshShape(triangles2.release(), true));
mesh2->setLocalScaling(btVector3(12, 12, 12));
std::unique_ptr<btCompoundShape> shape(new btCompoundShape);
shape->addChildShape(mTransformScale4, mesh.release());
shape->addChildShape(mTransformScale4, mesh2.release());
shape->addChildShape(
mTransformScale4, new Resource::ScaledTriangleMeshShape(mesh.release(), btVector3(12, 12, 12)));
shape->addChildShape(
mTransformScale4, new Resource::ScaledTriangleMeshShape(mesh2.release(), btVector3(12, 12, 12)));
Resource::BulletShape expected;
expected.mCollisionShape.reset(shape.release());
expected.mAnimatedShapes = { { -1, 1 } };
@ -880,14 +912,17 @@ namespace
std::unique_ptr<btTriangleMesh> triangles(new btTriangleMesh(false));
triangles->addTriangle(btVector3(0, 0, 0), btVector3(1, 0, 0), btVector3(1, 1, 0));
std::unique_ptr<Resource::TriangleMeshShape> mesh(new Resource::TriangleMeshShape(triangles.release(), true));
std::unique_ptr<btTriangleMesh> triangles2(new btTriangleMesh(false));
triangles2->addTriangle(btVector3(0, 0, 1), btVector3(1, 0, 1), btVector3(1, 1, 1));
std::unique_ptr<Resource::TriangleMeshShape> mesh2(new Resource::TriangleMeshShape(triangles2.release(), true));
std::unique_ptr<btCompoundShape> compound(new btCompoundShape);
compound->addChildShape(btTransform::getIdentity(), new Resource::TriangleMeshShape(triangles.release(), true));
compound->addChildShape(
btTransform::getIdentity(), new Resource::TriangleMeshShape(triangles2.release(), true));
btTransform::getIdentity(), new Resource::ScaledTriangleMeshShape(mesh.release(), btVector3(1, 1, 1)));
compound->addChildShape(
btTransform::getIdentity(), new Resource::ScaledTriangleMeshShape(mesh2.release(), btVector3(1, 1, 1)));
Resource::BulletShape expected;
expected.mCollisionShape.reset(compound.release());
@ -911,9 +946,11 @@ namespace
std::unique_ptr<btTriangleMesh> triangles(new btTriangleMesh(false));
triangles->addTriangle(btVector3(0, 0, 0), btVector3(1, 0, 0), btVector3(1, 1, 0));
std::unique_ptr<Resource::TriangleMeshShape> mesh(new Resource::TriangleMeshShape(triangles.release(), true));
std::unique_ptr<btCompoundShape> compound(new btCompoundShape);
compound->addChildShape(btTransform::getIdentity(), new Resource::TriangleMeshShape(triangles.release(), true));
compound->addChildShape(
btTransform::getIdentity(), new Resource::ScaledTriangleMeshShape(mesh.release(), btVector3(1, 1, 1)));
Resource::BulletShape expected;
expected.mAvoidCollisionShape.reset(compound.release());
@ -973,8 +1010,10 @@ namespace
std::unique_ptr<btTriangleMesh> triangles(new btTriangleMesh(false));
triangles->addTriangle(btVector3(0, 0, 0), btVector3(1, 0, 0), btVector3(1, 1, 0));
std::unique_ptr<Resource::TriangleMeshShape> mesh(new Resource::TriangleMeshShape(triangles.release(), true));
std::unique_ptr<btCompoundShape> compound(new btCompoundShape);
compound->addChildShape(btTransform::getIdentity(), new Resource::TriangleMeshShape(triangles.release(), true));
compound->addChildShape(
btTransform::getIdentity(), new Resource::ScaledTriangleMeshShape(mesh.release(), btVector3(1, 1, 1)));
Resource::BulletShape expected;
expected.mCollisionShape.reset(compound.release());
@ -1002,8 +1041,10 @@ namespace
std::unique_ptr<btTriangleMesh> triangles(new btTriangleMesh(false));
triangles->addTriangle(btVector3(0, 0, 0), btVector3(1, 0, 0), btVector3(1, 1, 0));
std::unique_ptr<Resource::TriangleMeshShape> mesh(new Resource::TriangleMeshShape(triangles.release(), true));
std::unique_ptr<btCompoundShape> compound(new btCompoundShape);
compound->addChildShape(btTransform::getIdentity(), new Resource::TriangleMeshShape(triangles.release(), true));
compound->addChildShape(
btTransform::getIdentity(), new Resource::ScaledTriangleMeshShape(mesh.release(), btVector3(1, 1, 1)));
Resource::BulletShape expected;
expected.mCollisionShape.reset(compound.release());
@ -1029,8 +1070,10 @@ namespace
std::unique_ptr<btTriangleMesh> triangles(new btTriangleMesh(false));
triangles->addTriangle(btVector3(0, 0, 0), btVector3(1, 0, 0), btVector3(1, 1, 0));
std::unique_ptr<Resource::TriangleMeshShape> mesh(new Resource::TriangleMeshShape(triangles.release(), true));
std::unique_ptr<btCompoundShape> compound(new btCompoundShape);
compound->addChildShape(btTransform::getIdentity(), new Resource::TriangleMeshShape(triangles.release(), true));
compound->addChildShape(
btTransform::getIdentity(), new Resource::ScaledTriangleMeshShape(mesh.release(), btVector3(1, 1, 1)));
Resource::BulletShape expected;
expected.mCollisionShape.reset(compound.release());
@ -1057,8 +1100,10 @@ namespace
std::unique_ptr<btTriangleMesh> triangles(new btTriangleMesh(false));
triangles->addTriangle(btVector3(0, 0, 0), btVector3(1, 0, 0), btVector3(1, 1, 0));
std::unique_ptr<Resource::TriangleMeshShape> mesh(new Resource::TriangleMeshShape(triangles.release(), true));
std::unique_ptr<btCompoundShape> compound(new btCompoundShape);
compound->addChildShape(btTransform::getIdentity(), new Resource::TriangleMeshShape(triangles.release(), true));
compound->addChildShape(
btTransform::getIdentity(), new Resource::ScaledTriangleMeshShape(mesh.release(), btVector3(1, 1, 1)));
Resource::BulletShape expected;
expected.mCollisionShape.reset(compound.release());
@ -1083,8 +1128,10 @@ namespace
std::unique_ptr<btTriangleMesh> triangles(new btTriangleMesh(false));
triangles->addTriangle(btVector3(0, 0, 0), btVector3(1, 0, 0), btVector3(1, 1, 0));
std::unique_ptr<Resource::TriangleMeshShape> mesh(new Resource::TriangleMeshShape(triangles.release(), true));
std::unique_ptr<btCompoundShape> compound(new btCompoundShape);
compound->addChildShape(btTransform::getIdentity(), new Resource::TriangleMeshShape(triangles.release(), true));
compound->addChildShape(
btTransform::getIdentity(), new Resource::ScaledTriangleMeshShape(mesh.release(), btVector3(1, 1, 1)));
Resource::BulletShape expected;
expected.mCollisionShape.reset(compound.release());
@ -1116,8 +1163,10 @@ namespace
std::unique_ptr<btTriangleMesh> triangles(new btTriangleMesh(false));
triangles->addTriangle(btVector3(0, 0, 0), btVector3(1, 0, 0), btVector3(1, 1, 0));
std::unique_ptr<Resource::TriangleMeshShape> mesh(new Resource::TriangleMeshShape(triangles.release(), true));
std::unique_ptr<btCompoundShape> compound(new btCompoundShape);
compound->addChildShape(btTransform::getIdentity(), new Resource::TriangleMeshShape(triangles.release(), true));
compound->addChildShape(
btTransform::getIdentity(), new Resource::ScaledTriangleMeshShape(mesh.release(), btVector3(1, 1, 1)));
Resource::BulletShape expected;
expected.mCollisionShape.reset(compound.release());
@ -1178,8 +1227,10 @@ namespace
std::unique_ptr<btTriangleMesh> triangles(new btTriangleMesh(false));
triangles->addTriangle(btVector3(0, 0, 0), btVector3(1, 0, 0), btVector3(1, 1, 0));
triangles->addTriangle(btVector3(1, 0, 0), btVector3(0, 1, 0), btVector3(1, 1, 0));
std::unique_ptr<Resource::TriangleMeshShape> mesh(new Resource::TriangleMeshShape(triangles.release(), true));
std::unique_ptr<btCompoundShape> compound(new btCompoundShape);
compound->addChildShape(btTransform::getIdentity(), new Resource::TriangleMeshShape(triangles.release(), true));
compound->addChildShape(
btTransform::getIdentity(), new Resource::ScaledTriangleMeshShape(mesh.release(), btVector3(1, 1, 1)));
Resource::BulletShape expected;
expected.mCollisionShape.reset(compound.release());
@ -1267,9 +1318,10 @@ namespace
std::unique_ptr<btTriangleMesh> triangles(new btTriangleMesh(false));
triangles->addTriangle(btVector3(0, 0, 0), btVector3(1, 0, 0), btVector3(1, 1, 0));
std::unique_ptr<Resource::TriangleMeshShape> mesh(new Resource::TriangleMeshShape(triangles.release(), true));
std::unique_ptr<btCompoundShape> compound(new btCompoundShape);
compound->addChildShape(btTransform::getIdentity(), new Resource::TriangleMeshShape(triangles.release(), true));
compound->addChildShape(
btTransform::getIdentity(), new Resource::ScaledTriangleMeshShape(mesh.release(), btVector3(1, 1, 1)));
Resource::BulletShape expected;
expected.mCollisionShape.reset(compound.release());
@ -1298,14 +1350,14 @@ namespace
std::unique_ptr<btTriangleMesh> triangles1(new btTriangleMesh(false));
triangles1->addTriangle(btVector3(0, 0, 0), btVector3(1, 0, 0), btVector3(1, 1, 0));
std::unique_ptr<Resource::TriangleMeshShape> mesh1(new Resource::TriangleMeshShape(triangles1.release(), true));
mesh1->setLocalScaling(btVector3(8, 8, 8));
std::unique_ptr<btTriangleMesh> triangles2(new btTriangleMesh(false));
triangles2->addTriangle(btVector3(0, 0, 0), btVector3(1, 0, 0), btVector3(1, 1, 0));
std::unique_ptr<Resource::TriangleMeshShape> mesh2(new Resource::TriangleMeshShape(triangles2.release(), true));
mesh2->setLocalScaling(btVector3(12, 12, 12));
std::unique_ptr<btCompoundShape> shape(new btCompoundShape);
shape->addChildShape(mTransformScale2, mesh1.release());
shape->addChildShape(mTransformScale3, mesh2.release());
shape->addChildShape(
mTransformScale2, new Resource::ScaledTriangleMeshShape(mesh1.release(), btVector3(8, 8, 8)));
shape->addChildShape(
mTransformScale3, new Resource::ScaledTriangleMeshShape(mesh2.release(), btVector3(12, 12, 12)));
Resource::BulletShape expected;
expected.mCollisionShape.reset(shape.release());
expected.mAnimatedShapes = { { -1, 0 } };

15
components/nifbullet/bulletnifloader.cpp
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@ -281,7 +281,20 @@ namespace NifBullet
osg::Matrixf transform = niGeometry.mTransform.toMatrix();
for (const Nif::Parent* parent = nodeParent; parent != nullptr; parent = parent->mParent)
transform *= parent->mNiNode.mTransform.toMatrix();
childShape->setLocalScaling(Misc::Convert::toBullet(transform.getScale()));
if (childShape->getShapeType() == TRIANGLE_MESH_SHAPE_PROXYTYPE)
{
auto scaledShape = std::make_unique<Resource::ScaledTriangleMeshShape>(
static_cast<btBvhTriangleMeshShape*>(childShape.get()), Misc::Convert::toBullet(transform.getScale()));
std::ignore = childShape.release();
childShape = std::move(scaledShape);
}
else
{
childShape->setLocalScaling(Misc::Convert::toBullet(transform.getScale()));
}
transform.orthoNormalize(transform);
btTransform trans;

6
components/resource/bulletshape.cpp
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@ -32,11 +32,11 @@ namespace Resource
return newShape;
}
if (shape->getShapeType() == TRIANGLE_MESH_SHAPE_PROXYTYPE)
if (shape->getShapeType() == SCALED_TRIANGLE_MESH_SHAPE_PROXYTYPE)
{
const btBvhTriangleMeshShape* trishape = static_cast<const btBvhTriangleMeshShape*>(shape);
const btScaledBvhTriangleMeshShape* trishape = static_cast<const btScaledBvhTriangleMeshShape*>(shape);
return CollisionShapePtr(new btScaledBvhTriangleMeshShape(
const_cast<btBvhTriangleMeshShape*>(trishape), btVector3(1.f, 1.f, 1.f)));
const_cast<btBvhTriangleMeshShape*>(trishape->getChildShape()), trishape->getLocalScaling()));
}
if (shape->getShapeType() == BOX_SHAPE_PROXYTYPE)

19
components/resource/bulletshape.hpp
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@ -10,6 +10,7 @@
#include <osg/ref_ptr>
#include <BulletCollision/CollisionShapes/btBvhTriangleMeshShape.h>
#include <BulletCollision/CollisionShapes/btScaledBvhTriangleMeshShape.h>
class btCollisionShape;
@ -49,8 +50,8 @@ namespace Resource
// collision box for creatures. For now, use one file <-> one resource for simplicity.
CollisionBox mCollisionBox;
// Stores animated collision shapes. If any collision nodes in the NIF are animated, then mCollisionShape
// will be a btCompoundShape (which consists of one or more child shapes).
// Stores animated collision shapes.
// mCollisionShape is a btCompoundShape (which consists of one or more child shapes).
// In this map, for each animated collision shape,
// we store the node's record index mapped to the child index of the shape in the btCompoundShape.
std::map<int, int> mAnimatedShapes;
@ -61,6 +62,7 @@ namespace Resource
VisualCollisionType mVisualCollisionType = VisualCollisionType::None;
BulletShape() = default;
// Note this is always a shallow copy and the copy will not autodelete underlying vertex data
BulletShape(const BulletShape& other, const osg::CopyOp& copyOp = osg::CopyOp());
META_Object(Resource, BulletShape)
@ -70,7 +72,7 @@ namespace Resource
bool isAnimated() const { return !mAnimatedShapes.empty(); }
};
// An instance of a BulletShape that may have its own unique scaling set on the mCollisionShape.
// An instance of a BulletShape that may have its own unique scaling set on collision shapes.
// Vertex data is shallow-copied where possible. A ref_ptr to the original shape is held to keep vertex pointers
// intact.
class BulletShapeInstance : public BulletShape
@ -102,6 +104,17 @@ namespace Resource
}
};
// btScaledBvhTriangleMeshShape that auto-deletes the child shape
struct ScaledTriangleMeshShape : public btScaledBvhTriangleMeshShape
{
ScaledTriangleMeshShape(btBvhTriangleMeshShape* childShape, const btVector3& localScaling)
: btScaledBvhTriangleMeshShape(childShape, localScaling)
{
}
~ScaledTriangleMeshShape() override { delete getChildShape(); }
};
}
#endif

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