From e10c3e7ec5ac85f4b04e841657b2ac03a93bc247 Mon Sep 17 00:00:00 2001 From: Florian Jung Date: Mon, 26 Nov 2018 18:15:29 +0100 Subject: 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 --- modules/bullet/godot_result_callbacks.cpp | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/modules/bullet/godot_result_callbacks.cpp b/modules/bullet/godot_result_callbacks.cpp index 3b44ab838e..0117bb375f 100644 --- a/modules/bullet/godot_result_callbacks.cpp +++ b/modules/bullet/godot_result_callbacks.cpp @@ -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(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(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 -- cgit v1.2.3