Add more max-checking to physics queries

Fixes some out-of-bounds problems when there are more collisions than
have been requested for. This extends what has been done in 444b8471a3.

Fixes godotengine/godot#23990
This commit is contained in:
Florian Jung 2018-11-26 18:15:29 +01:00
parent a92e885e55
commit e10c3e7ec5
1 changed files with 8 additions and 0 deletions

View File

@ -102,6 +102,9 @@ bool GodotAllConvexResultCallback::needsCollision(btBroadphaseProxy *proxy0) con
}
btScalar GodotAllConvexResultCallback::addSingleResult(btCollisionWorld::LocalConvexResult &convexResult, bool normalInWorldSpace) {
if (count >= m_resultMax)
return 1; // not used by bullet
CollisionObjectBullet *gObj = static_cast<CollisionObjectBullet *>(convexResult.m_hitCollisionObject->getUserPointer());
PhysicsDirectSpaceState::ShapeResult &result = m_results[count];
@ -172,6 +175,9 @@ btScalar GodotClosestConvexResultCallback::addSingleResult(btCollisionWorld::Loc
}
bool GodotAllContactResultCallback::needsCollision(btBroadphaseProxy *proxy0) const {
if (m_count >= m_resultMax)
return false;
const bool needs = GodotFilterCallback::test_collision_filters(m_collisionFilterGroup, m_collisionFilterMask, proxy0->m_collisionFilterGroup, proxy0->m_collisionFilterMask);
if (needs) {
btCollisionObject *btObj = static_cast<btCollisionObject *>(proxy0->m_clientObject);
@ -249,6 +255,8 @@ bool GodotContactPairContactResultCallback::needsCollision(btBroadphaseProxy *pr
}
btScalar GodotContactPairContactResultCallback::addSingleResult(btManifoldPoint &cp, const btCollisionObjectWrapper *colObj0Wrap, int partId0, int index0, const btCollisionObjectWrapper *colObj1Wrap, int partId1, int index1) {
if (m_count >= m_resultMax)
return 1; // not used by bullet
if (m_self_object == colObj0Wrap->getCollisionObject()) {
B_TO_G(cp.m_localPointA, m_results[m_count * 2 + 0]); // Local contact