From 785173e899862bfa9ce65ee4cd8c718d120d2c0f Mon Sep 17 00:00:00 2001 From: AndreaCatania Date: Sun, 10 Dec 2017 12:20:36 +0100 Subject: Ray cast return shape id. Fixes #14473 --- modules/bullet/godot_result_callbacks.h | 9 ++++++++- modules/bullet/space_bullet.cpp | 2 +- 2 files changed, 9 insertions(+), 2 deletions(-) diff --git a/modules/bullet/godot_result_callbacks.h b/modules/bullet/godot_result_callbacks.h index 5750dc2acd..9d2fb1fce4 100644 --- a/modules/bullet/godot_result_callbacks.h +++ b/modules/bullet/godot_result_callbacks.h @@ -50,14 +50,21 @@ struct GodotFilterCallback : public btOverlapFilterCallback { struct GodotClosestRayResultCallback : public btCollisionWorld::ClosestRayResultCallback { const Set *m_exclude; bool m_pickRay; + int m_shapeId; public: GodotClosestRayResultCallback(const btVector3 &rayFromWorld, const btVector3 &rayToWorld, const Set *p_exclude) : btCollisionWorld::ClosestRayResultCallback(rayFromWorld, rayToWorld), m_exclude(p_exclude), - m_pickRay(false) {} + m_pickRay(false), + m_shapeId(0) {} virtual bool needsCollision(btBroadphaseProxy *proxy0) const; + + virtual btScalar addSingleResult(btCollisionWorld::LocalRayResult &rayResult, bool normalInWorldSpace) { + m_shapeId = rayResult.m_localShapeInfo->m_triangleIndex; // "m_triangleIndex" Is a odd name but contains the compound shape ID + return btCollisionWorld::ClosestRayResultCallback::addSingleResult(rayResult, normalInWorldSpace); + } }; // store all colliding object diff --git a/modules/bullet/space_bullet.cpp b/modules/bullet/space_bullet.cpp index c1f6e81734..3ce4b294db 100644 --- a/modules/bullet/space_bullet.cpp +++ b/modules/bullet/space_bullet.cpp @@ -97,7 +97,7 @@ bool BulletPhysicsDirectSpaceState::intersect_ray(const Vector3 &p_from, const V B_TO_G(btResult.m_hitNormalWorld.normalize(), r_result.normal); CollisionObjectBullet *gObj = static_cast(btResult.m_collisionObject->getUserPointer()); if (gObj) { - r_result.shape = 0; + r_result.shape = btResult.m_shapeId; r_result.rid = gObj->get_self(); r_result.collider_id = gObj->get_instance_id(); r_result.collider = 0 == r_result.collider_id ? NULL : ObjectDB::get_instance(r_result.collider_id); -- cgit v1.2.3