From a42765dadad77d4f4893d9ccf73b7cfefc1643bd Mon Sep 17 00:00:00 2001 From: Andrea Catania Date: Mon, 5 Feb 2018 18:20:26 +0100 Subject: Added physics API in order to enable/disable collisions between rigidbody attached to a joint with bullet physics bullet Fixes #16424 --- servers/physics/constraint_sw.h | 5 +++++ servers/physics/physics_server_sw.cpp | 27 +++++++++++++++++++++++++++ servers/physics/physics_server_sw.h | 3 +++ 3 files changed, 35 insertions(+) (limited to 'servers/physics') diff --git a/servers/physics/constraint_sw.h b/servers/physics/constraint_sw.h index a641f06f0c..41789600f6 100644 --- a/servers/physics/constraint_sw.h +++ b/servers/physics/constraint_sw.h @@ -41,6 +41,7 @@ class ConstraintSW : public RID_Data { ConstraintSW *island_next; ConstraintSW *island_list_next; int priority; + bool disabled_collisions_between_bodies; RID self; @@ -50,6 +51,7 @@ protected: _body_count = p_body_count; island_step = 0; priority = 1; + disabled_collisions_between_bodies = true; } public: @@ -71,6 +73,9 @@ public: _FORCE_INLINE_ void set_priority(int p_priority) { priority = p_priority; } _FORCE_INLINE_ int get_priority() const { return priority; } + _FORCE_INLINE_ void disable_collisions_between_bodies(const bool p_disabled) { disabled_collisions_between_bodies = p_disabled; } + _FORCE_INLINE_ bool is_disabled_collisions_between_bodies() const { return disabled_collisions_between_bodies; } + virtual bool setup(real_t p_step) = 0; virtual void solve(real_t p_step) = 0; diff --git a/servers/physics/physics_server_sw.cpp b/servers/physics/physics_server_sw.cpp index ea0d372281..0f7c6deaac 100644 --- a/servers/physics/physics_server_sw.cpp +++ b/servers/physics/physics_server_sw.cpp @@ -1093,6 +1093,33 @@ int PhysicsServerSW::joint_get_solver_priority(RID p_joint) const { return joint->get_priority(); } +void PhysicsServerSW::joint_disable_collisions_between_bodies(RID p_joint, const bool p_disable) { + JointSW *joint = joint_owner.get(p_joint); + ERR_FAIL_COND(!joint); + + joint->disable_collisions_between_bodies(p_disable); + + if (2 == joint->get_body_count()) { + BodySW *body_a = *joint->get_body_ptr(); + BodySW *body_b = *(joint->get_body_ptr() + 1); + + if (p_disable) { + body_add_collision_exception(body_a->get_self(), body_b->get_self()); + body_add_collision_exception(body_b->get_self(), body_a->get_self()); + } else { + body_remove_collision_exception(body_a->get_self(), body_b->get_self()); + body_remove_collision_exception(body_b->get_self(), body_a->get_self()); + } + } +} + +bool PhysicsServerSW::joint_is_disabled_collisions_between_bodies(RID p_joint) const { + JointSW *joint = joint_owner.get(p_joint); + ERR_FAIL_COND_V(!joint, true); + + return joint->is_disabled_collisions_between_bodies(); +} + PhysicsServerSW::JointType PhysicsServerSW::joint_get_type(RID p_joint) const { JointSW *joint = joint_owner.get(p_joint); diff --git a/servers/physics/physics_server_sw.h b/servers/physics/physics_server_sw.h index 132ac78968..923b59d28f 100644 --- a/servers/physics/physics_server_sw.h +++ b/servers/physics/physics_server_sw.h @@ -275,6 +275,9 @@ public: virtual void joint_set_solver_priority(RID p_joint, int p_priority); virtual int joint_get_solver_priority(RID p_joint) const; + virtual void joint_disable_collisions_between_bodies(RID p_joint, const bool p_disable); + virtual bool joint_is_disabled_collisions_between_bodies(RID p_joint) const; + /* MISC */ virtual void free(RID p_rid); -- cgit v1.2.3