diff options
Diffstat (limited to 'servers/physics')
-rw-r--r-- | servers/physics/physics_server_sw.cpp | 16 | ||||
-rw-r--r-- | servers/physics/physics_server_sw.h | 4 | ||||
-rw-r--r-- | servers/physics/space_sw.cpp | 147 | ||||
-rw-r--r-- | servers/physics/space_sw.h | 3 |
4 files changed, 164 insertions, 6 deletions
diff --git a/servers/physics/physics_server_sw.cpp b/servers/physics/physics_server_sw.cpp index 3a32c46a9b..61b014713f 100644 --- a/servers/physics/physics_server_sw.cpp +++ b/servers/physics/physics_server_sw.cpp @@ -941,7 +941,7 @@ bool PhysicsServerSW::body_is_ray_pickable(RID p_body) const { return body->is_ray_pickable(); } -bool PhysicsServerSW::body_test_motion(RID p_body, const Transform &p_from, const Vector3 &p_motion, bool p_infinite_inertia, MotionResult *r_result) { +bool PhysicsServerSW::body_test_motion(RID p_body, const Transform &p_from, const Vector3 &p_motion, bool p_infinite_inertia, MotionResult *r_result, bool p_exclude_raycast_shapes) { BodySW *body = body_owner.get(p_body); ERR_FAIL_COND_V(!body, false); @@ -950,7 +950,19 @@ bool PhysicsServerSW::body_test_motion(RID p_body, const Transform &p_from, cons _update_shapes(); - return body->get_space()->test_body_motion(body, p_from, p_motion, p_infinite_inertia, body->get_kinematic_margin(), r_result); + return body->get_space()->test_body_motion(body, p_from, p_motion, p_infinite_inertia, body->get_kinematic_margin(), r_result, p_exclude_raycast_shapes); +} + +int PhysicsServerSW::body_test_ray_separation(RID p_body, const Transform &p_transform, bool p_infinite_inertia, Vector3 &r_recover_motion, SeparationResult *r_results, int p_result_max, float p_margin) { + + BodySW *body = body_owner.get(p_body); + ERR_FAIL_COND_V(!body, false); + ERR_FAIL_COND_V(!body->get_space(), false); + ERR_FAIL_COND_V(body->get_space()->is_locked(), false); + + _update_shapes(); + + return body->get_space()->test_body_ray_separation(body, p_transform, p_infinite_inertia, r_recover_motion, r_results, p_result_max, p_margin); } PhysicsDirectBodyState *PhysicsServerSW::body_get_direct_state(RID p_body) { diff --git a/servers/physics/physics_server_sw.h b/servers/physics/physics_server_sw.h index 2b3d2ae91f..ad7aa4aa28 100644 --- a/servers/physics/physics_server_sw.h +++ b/servers/physics/physics_server_sw.h @@ -230,8 +230,8 @@ public: virtual void body_set_ray_pickable(RID p_body, bool p_enable); virtual bool body_is_ray_pickable(RID p_body) const; - virtual bool body_test_motion(RID p_body, const Transform &p_from, const Vector3 &p_motion, bool p_infinite_inertia, MotionResult *r_result = NULL); - virtual int body_test_ray_separation(RID p_body, const Transform &p_transform, bool p_infinite_inertia, Vector3 &r_recover_motion, SeparationResult *r_results, int p_result_max, float p_margin = 0.001) { return 0; } + virtual bool body_test_motion(RID p_body, const Transform &p_from, const Vector3 &p_motion, bool p_infinite_inertia, MotionResult *r_result = NULL, bool p_exclude_raycast_shapes = true); + virtual int body_test_ray_separation(RID p_body, const Transform &p_transform, bool p_infinite_inertia, Vector3 &r_recover_motion, SeparationResult *r_results, int p_result_max, float p_margin = 0.001); // this function only works on physics process, errors and returns null otherwise virtual PhysicsDirectBodyState *body_get_direct_state(RID p_body); diff --git a/servers/physics/space_sw.cpp b/servers/physics/space_sw.cpp index b604e5cdf6..9d6ec958b4 100644 --- a/servers/physics/space_sw.cpp +++ b/servers/physics/space_sw.cpp @@ -541,7 +541,144 @@ int SpaceSW::_cull_aabb_for_body(BodySW *p_body, const AABB &p_aabb) { return amount; } -bool SpaceSW::test_body_motion(BodySW *p_body, const Transform &p_from, const Vector3 &p_motion, bool p_infinite_inertia, real_t p_margin, PhysicsServer::MotionResult *r_result) { +int SpaceSW::test_body_ray_separation(BodySW *p_body, const Transform &p_transform, bool p_infinite_inertia, Vector3 &r_recover_motion, PhysicsServer::SeparationResult *r_results, int p_result_max, real_t p_margin) { + + AABB body_aabb; + + for (int i = 0; i < p_body->get_shape_count(); i++) { + + if (i == 0) + body_aabb = p_body->get_shape_aabb(i); + else + body_aabb = body_aabb.merge(p_body->get_shape_aabb(i)); + } + + // Undo the currently transform the physics server is aware of and apply the provided one + body_aabb = p_transform.xform(p_body->get_inv_transform().xform(body_aabb)); + body_aabb = body_aabb.grow(p_margin); + + Transform body_transform = p_transform; + + for (int i = 0; i < p_result_max; i++) { + //reset results + r_results[i].collision_depth = 0; + } + + int rays_found = 0; + + { + // raycast AND separate + + const int max_results = 32; + int recover_attempts = 4; + Vector3 sr[max_results * 2]; + PhysicsServerSW::CollCbkData cbk; + cbk.max = max_results; + PhysicsServerSW::CollCbkData *cbkptr = &cbk; + CollisionSolverSW::CallbackResult cbkres = PhysicsServerSW::_shape_col_cbk; + + do { + + Vector3 recover_motion; + + bool collided = false; + + int amount = _cull_aabb_for_body(p_body, body_aabb); + int ray_index = 0; + + for (int j = 0; j < p_body->get_shape_count(); j++) { + if (p_body->is_shape_set_as_disabled(j)) + continue; + + ShapeSW *body_shape = p_body->get_shape(j); + + if (body_shape->get_type() != PhysicsServer::SHAPE_RAY) + continue; + + Transform body_shape_xform = body_transform * p_body->get_shape_transform(j); + + for (int i = 0; i < amount; i++) { + + const CollisionObjectSW *col_obj = intersection_query_results[i]; + int shape_idx = intersection_query_subindex_results[i]; + + cbk.amount = 0; + cbk.ptr = sr; + + if (CollisionObjectSW::TYPE_BODY == col_obj->get_type()) { + const BodySW *b = static_cast<const BodySW *>(col_obj); + if (p_infinite_inertia && PhysicsServer::BODY_MODE_STATIC != b->get_mode() && PhysicsServer::BODY_MODE_KINEMATIC != b->get_mode()) { + continue; + } + } + + ShapeSW *against_shape = col_obj->get_shape(shape_idx); + if (CollisionSolverSW::solve_static(body_shape, body_shape_xform, against_shape, col_obj->get_transform() * col_obj->get_shape_transform(shape_idx), cbkres, cbkptr, NULL, p_margin)) { + if (cbk.amount > 0) { + collided = true; + } + + if (ray_index < p_result_max) { + PhysicsServer::SeparationResult &result = r_results[ray_index]; + + for (int k = 0; k < cbk.amount; k++) { + Vector3 a = sr[k * 2 + 0]; + Vector3 b = sr[k * 2 + 1]; + + recover_motion += (b - a) * 0.4; + + float depth = a.distance_to(b); + if (depth > result.collision_depth) { + + result.collision_depth = depth; + result.collision_point = b; + result.collision_normal = (b - a).normalized(); + result.collision_local_shape = shape_idx; + result.collider = col_obj->get_self(); + result.collider_id = col_obj->get_instance_id(); + //result.collider_metadata = col_obj->get_shape_metadata(shape_idx); + if (col_obj->get_type() == CollisionObjectSW::TYPE_BODY) { + BodySW *body = (BodySW *)col_obj; + + Vector3 rel_vec = b - body->get_transform().get_origin(); + //result.collider_velocity = Vector3(-body->get_angular_velocity() * rel_vec.y, body->get_angular_velocity() * rel_vec.x) + body->get_linear_velocity(); + result.collider_velocity = body->get_linear_velocity() + (body->get_angular_velocity()).cross(body->get_transform().origin - rel_vec); // * mPos); + } + } + } + } + } + } + + ray_index++; + } + + rays_found = MAX(ray_index, rays_found); + + if (!collided || recover_motion == Vector3()) { + break; + } + + body_transform.origin += recover_motion; + body_aabb.position += recover_motion; + + recover_attempts--; + } while (recover_attempts); + } + + //optimize results (remove non colliding) + for (int i = 0; i < rays_found; i++) { + if (r_results[i].collision_depth == 0) { + rays_found--; + SWAP(r_results[i], r_results[rays_found]); + } + } + + r_recover_motion = body_transform.origin - p_transform.origin; + return rays_found; +} + +bool SpaceSW::test_body_motion(BodySW *p_body, const Transform &p_from, const Vector3 &p_motion, bool p_infinite_inertia, real_t p_margin, PhysicsServer::MotionResult *r_result, bool p_exclude_raycast_shapes) { //give me back regular physics engine logic //this is madness @@ -597,6 +734,10 @@ bool SpaceSW::test_body_motion(BodySW *p_body, const Transform &p_from, const Ve Transform body_shape_xform = body_transform * p_body->get_shape_transform(j); ShapeSW *body_shape = p_body->get_shape(j); + if (p_exclude_raycast_shapes && body_shape->get_type() == PhysicsServer::SHAPE_RAY) { + continue; + } + for (int i = 0; i < amount; i++) { const CollisionObjectSW *col_obj = intersection_query_results[i]; @@ -655,6 +796,10 @@ bool SpaceSW::test_body_motion(BodySW *p_body, const Transform &p_from, const Ve Transform body_shape_xform = body_transform * p_body->get_shape_transform(j); ShapeSW *body_shape = p_body->get_shape(j); + if (p_exclude_raycast_shapes && body_shape->get_type() == PhysicsServer::SHAPE_RAY) { + continue; + } + Transform body_shape_xform_inv = body_shape_xform.affine_inverse(); MotionShapeSW mshape; mshape.shape = body_shape; diff --git a/servers/physics/space_sw.h b/servers/physics/space_sw.h index 4d864e9a51..ed4b274d13 100644 --- a/servers/physics/space_sw.h +++ b/servers/physics/space_sw.h @@ -197,7 +197,8 @@ public: void set_elapsed_time(ElapsedTime p_time, uint64_t p_msec) { elapsed_time[p_time] = p_msec; } uint64_t get_elapsed_time(ElapsedTime p_time) const { return elapsed_time[p_time]; } - bool test_body_motion(BodySW *p_body, const Transform &p_from, const Vector3 &p_motion, bool p_infinite_inertia, real_t p_margin, PhysicsServer::MotionResult *r_result); + int test_body_ray_separation(BodySW *p_body, const Transform &p_transform, bool p_infinite_inertia, Vector3 &r_recover_motion, PhysicsServer::SeparationResult *r_results, int p_result_max, real_t p_margin); + bool test_body_motion(BodySW *p_body, const Transform &p_from, const Vector3 &p_motion, bool p_infinite_inertia, real_t p_margin, PhysicsServer::MotionResult *r_result, bool p_exclude_raycast_shapes); SpaceSW(); ~SpaceSW(); |