Refactor layer_mask to collision_layer

17 files changed, 128 insertions, 128 deletions

diff --git a/servers/physics/collision_object_sw.cpp b/servers/physics/collision_object_sw.cpp
index dc0b2fc84f..d673088304 100644
--- a/servers/physics/collision_object_sw.cpp
+++ b/servers/physics/collision_object_sw.cpp
@@ -208,7 +208,7 @@ CollisionObjectSW::CollisionObjectSW(Type p_type) {
 	type = p_type;
 	space = NULL;
 	instance_id = 0;
-	layer_mask = 1;
+	collision_layer = 1;
 	collision_mask = 1;
 	ray_pickable = true;
 }
diff --git a/servers/physics/collision_object_sw.h b/servers/physics/collision_object_sw.h
index 0767f88ba1..15082a0551 100644
--- a/servers/physics/collision_object_sw.h
+++ b/servers/physics/collision_object_sw.h
@@ -53,7 +53,7 @@ private:
 	Type type;
 	RID self;
 	ObjectID instance_id;
-	uint32_t layer_mask;
+	uint32_t collision_layer;
 	uint32_t collision_mask;
 
 	struct Shape {
@@ -134,14 +134,14 @@ public:
 	_FORCE_INLINE_ void set_shape_as_trigger(int p_idx, bool p_enable) { shapes[p_idx].trigger = p_enable; }
 	_FORCE_INLINE_ bool is_shape_set_as_trigger(int p_idx) const { return shapes[p_idx].trigger; }
 
-	_FORCE_INLINE_ void set_layer_mask(uint32_t p_mask) { layer_mask = p_mask; }
-	_FORCE_INLINE_ uint32_t get_layer_mask() const { return layer_mask; }
+	_FORCE_INLINE_ void set_collision_layer(uint32_t p_layer) { collision_layer = p_layer; }
+	_FORCE_INLINE_ uint32_t get_collision_layer() const { return collision_layer; }
 
 	_FORCE_INLINE_ void set_collision_mask(uint32_t p_mask) { collision_mask = p_mask; }
 	_FORCE_INLINE_ uint32_t get_collision_mask() const { return collision_mask; }
 
 	_FORCE_INLINE_ bool test_collision_mask(CollisionObjectSW *p_other) const {
-		return layer_mask & p_other->collision_mask || p_other->layer_mask & collision_mask;
+		return collision_layer & p_other->collision_mask || p_other->collision_layer & collision_mask;
 	}
 
 	void remove_shape(ShapeSW *p_shape);
diff --git a/servers/physics/physics_server_sw.cpp b/servers/physics/physics_server_sw.cpp
index 727ff38718..455863da91 100644
--- a/servers/physics/physics_server_sw.cpp
+++ b/servers/physics/physics_server_sw.cpp
@@ -389,12 +389,12 @@ Transform PhysicsServerSW::area_get_transform(RID p_area) const {
 	return area->get_transform();
 };
 
-void PhysicsServerSW::area_set_layer_mask(RID p_area, uint32_t p_mask) {
+void PhysicsServerSW::area_set_collision_layer(RID p_area, uint32_t p_layer) {
 
 	AreaSW *area = area_owner.get(p_area);
 	ERR_FAIL_COND(!area);
 
-	area->set_layer_mask(p_mask);
+	area->set_collision_layer(p_layer);
 }
 
 void PhysicsServerSW::area_set_collision_mask(RID p_area, uint32_t p_mask) {
@@ -609,21 +609,21 @@ bool PhysicsServerSW::body_is_continuous_collision_detection_enabled(RID p_body)
 	return body->is_continuous_collision_detection_enabled();
 }
 
-void PhysicsServerSW::body_set_layer_mask(RID p_body, uint32_t p_mask) {
+void PhysicsServerSW::body_set_collision_layer(RID p_body, uint32_t p_layer) {
 
 	BodySW *body = body_owner.get(p_body);
 	ERR_FAIL_COND(!body);
 
-	body->set_layer_mask(p_mask);
+	body->set_collision_layer(p_layer);
 	body->wakeup();
 }
 
-uint32_t PhysicsServerSW::body_get_layer_mask(RID p_body, uint32_t p_mask) const {
+uint32_t PhysicsServerSW::body_get_collision_layer(RID p_body) const {
 
 	const BodySW *body = body_owner.get(p_body);
 	ERR_FAIL_COND_V(!body, 0);
 
-	return body->get_layer_mask();
+	return body->get_collision_layer();
 }
 
 void PhysicsServerSW::body_set_collision_mask(RID p_body, uint32_t p_mask) {
@@ -635,7 +635,7 @@ void PhysicsServerSW::body_set_collision_mask(RID p_body, uint32_t p_mask) {
 	body->wakeup();
 }
 
-uint32_t PhysicsServerSW::body_get_collision_mask(RID p_body, uint32_t p_mask) const {
+uint32_t PhysicsServerSW::body_get_collision_mask(RID p_body) const {
 
 	const BodySW *body = body_owner.get(p_body);
 	ERR_FAIL_COND_V(!body, 0);
@@ -665,7 +665,7 @@ void PhysicsServerSW::body_set_user_flags(RID p_body, uint32_t p_flags) {
 	ERR_FAIL_COND(!body);
 };
 
-uint32_t PhysicsServerSW::body_get_user_flags(RID p_body, uint32_t p_flags) const {
+uint32_t PhysicsServerSW::body_get_user_flags(RID p_body) const {
 
 	BodySW *body = body_owner.get(p_body);
 	ERR_FAIL_COND_V(!body, 0);
diff --git a/servers/physics/physics_server_sw.h b/servers/physics/physics_server_sw.h
index 44f9aff662..559e9aeb51 100644
--- a/servers/physics/physics_server_sw.h
+++ b/servers/physics/physics_server_sw.h
@@ -130,7 +130,7 @@ public:
 	virtual bool area_is_ray_pickable(RID p_area) const;
 
 	virtual void area_set_collision_mask(RID p_area, uint32_t p_mask);
-	virtual void area_set_layer_mask(RID p_area, uint32_t p_mask);
+	virtual void area_set_collision_layer(RID p_area, uint32_t p_layer);
 
 	virtual void area_set_monitorable(RID p_area, bool p_monitorable);
 
@@ -168,14 +168,14 @@ public:
 	virtual void body_set_enable_continuous_collision_detection(RID p_body, bool p_enable);
 	virtual bool body_is_continuous_collision_detection_enabled(RID p_body) const;
 
-	virtual void body_set_layer_mask(RID p_body, uint32_t p_mask);
-	virtual uint32_t body_get_layer_mask(RID p_body, uint32_t p_mask) const;
+	virtual void body_set_collision_layer(RID p_body, uint32_t p_layer);
+	virtual uint32_t body_get_collision_layer(RID p_body) const;
 
 	virtual void body_set_collision_mask(RID p_body, uint32_t p_mask);
-	virtual uint32_t body_get_collision_mask(RID p_body, uint32_t p_mask) const;
+	virtual uint32_t body_get_collision_mask(RID p_body) const;
 
 	virtual void body_set_user_flags(RID p_body, uint32_t p_flags);
-	virtual uint32_t body_get_user_flags(RID p_body, uint32_t p_flags) const;
+	virtual uint32_t body_get_user_flags(RID p_body) const;
 
 	virtual void body_set_param(RID p_body, BodyParameter p_param, real_t p_value);
 	virtual real_t body_get_param(RID p_body, BodyParameter p_param) const;
diff --git a/servers/physics/space_sw.cpp b/servers/physics/space_sw.cpp
index 16562dce6b..67ac21e4f9 100644
--- a/servers/physics/space_sw.cpp
+++ b/servers/physics/space_sw.cpp
@@ -32,12 +32,12 @@
 #include "global_config.h"
 #include "physics_server_sw.h"
 
-_FORCE_INLINE_ static bool _match_object_type_query(CollisionObjectSW *p_object, uint32_t p_layer_mask, uint32_t p_type_mask) {
+_FORCE_INLINE_ static bool _match_object_type_query(CollisionObjectSW *p_object, uint32_t p_collision_layer, uint32_t p_type_mask) {
 
 	if (p_object->get_type() == CollisionObjectSW::TYPE_AREA)
 		return p_type_mask & PhysicsDirectSpaceState::TYPE_MASK_AREA;
 
-	if ((p_object->get_layer_mask() & p_layer_mask) == 0)
+	if ((p_object->get_collision_layer() & p_collision_layer) == 0)
 		return false;
 
 	BodySW *body = static_cast<BodySW *>(p_object);
@@ -45,7 +45,7 @@ _FORCE_INLINE_ static bool _match_object_type_query(CollisionObjectSW *p_object,
 	return (1 << body->get_mode()) & p_type_mask;
 }
 
-bool PhysicsDirectSpaceStateSW::intersect_ray(const Vector3 &p_from, const Vector3 &p_to, RayResult &r_result, const Set<RID> &p_exclude, uint32_t p_layer_mask, uint32_t p_object_type_mask, bool p_pick_ray) {
+bool PhysicsDirectSpaceStateSW::intersect_ray(const Vector3 &p_from, const Vector3 &p_to, RayResult &r_result, const Set<RID> &p_exclude, uint32_t p_collision_layer, uint32_t p_object_type_mask, bool p_pick_ray) {
 
 	ERR_FAIL_COND_V(space->locked, false);
 
@@ -67,7 +67,7 @@ bool PhysicsDirectSpaceStateSW::intersect_ray(const Vector3 &p_from, const Vecto
 
 	for (int i = 0; i < amount; i++) {
 
-		if (!_match_object_type_query(space->intersection_query_results[i], p_layer_mask, p_object_type_mask))
+		if (!_match_object_type_query(space->intersection_query_results[i], p_collision_layer, p_object_type_mask))
 			continue;
 
 		if (p_pick_ray && !(static_cast<CollisionObjectSW *>(space->intersection_query_results[i])->is_ray_pickable()))
@@ -123,7 +123,7 @@ bool PhysicsDirectSpaceStateSW::intersect_ray(const Vector3 &p_from, const Vecto
 	return true;
 }
 
-int PhysicsDirectSpaceStateSW::intersect_shape(const RID &p_shape, const Transform &p_xform, real_t p_margin, ShapeResult *r_results, int p_result_max, const Set<RID> &p_exclude, uint32_t p_layer_mask, uint32_t p_object_type_mask) {
+int PhysicsDirectSpaceStateSW::intersect_shape(const RID &p_shape, const Transform &p_xform, real_t p_margin, ShapeResult *r_results, int p_result_max, const Set<RID> &p_exclude, uint32_t p_collision_layer, uint32_t p_object_type_mask) {
 
 	if (p_result_max <= 0)
 		return 0;
@@ -144,7 +144,7 @@ int PhysicsDirectSpaceStateSW::intersect_shape(const RID &p_shape, const Transfo
 		if (cc >= p_result_max)
 			break;
 
-		if (!_match_object_type_query(space->intersection_query_results[i], p_layer_mask, p_object_type_mask))
+		if (!_match_object_type_query(space->intersection_query_results[i], p_collision_layer, p_object_type_mask))
 			continue;
 
 		//area can't be picked by ray (default)
@@ -174,7 +174,7 @@ int PhysicsDirectSpaceStateSW::intersect_shape(const RID &p_shape, const Transfo
 	return cc;
 }
 
-bool PhysicsDirectSpaceStateSW::cast_motion(const RID &p_shape, const Transform &p_xform, const Vector3 &p_motion, real_t p_margin, real_t &p_closest_safe, real_t &p_closest_unsafe, const Set<RID> &p_exclude, uint32_t p_layer_mask, uint32_t p_object_type_mask, ShapeRestInfo *r_info) {
+bool PhysicsDirectSpaceStateSW::cast_motion(const RID &p_shape, const Transform &p_xform, const Vector3 &p_motion, real_t p_margin, real_t &p_closest_safe, real_t &p_closest_unsafe, const Set<RID> &p_exclude, uint32_t p_collision_layer, uint32_t p_object_type_mask, ShapeRestInfo *r_info) {
 
 	ShapeSW *shape = static_cast<PhysicsServerSW *>(PhysicsServer::get_singleton())->shape_owner.get(p_shape);
 	ERR_FAIL_COND_V(!shape, false);
@@ -204,7 +204,7 @@ bool PhysicsDirectSpaceStateSW::cast_motion(const RID &p_shape, const Transform
 
 	for (int i = 0; i < amount; i++) {
 
-		if (!_match_object_type_query(space->intersection_query_results[i], p_layer_mask, p_object_type_mask))
+		if (!_match_object_type_query(space->intersection_query_results[i], p_collision_layer, p_object_type_mask))
 			continue;
 
 		if (p_exclude.has(space->intersection_query_results[i]->get_self()))
@@ -295,7 +295,7 @@ bool PhysicsDirectSpaceStateSW::cast_motion(const RID &p_shape, const Transform
 	return true;
 }
 
-bool PhysicsDirectSpaceStateSW::collide_shape(RID p_shape, const Transform &p_shape_xform, real_t p_margin, Vector3 *r_results, int p_result_max, int &r_result_count, const Set<RID> &p_exclude, uint32_t p_layer_mask, uint32_t p_object_type_mask) {
+bool PhysicsDirectSpaceStateSW::collide_shape(RID p_shape, const Transform &p_shape_xform, real_t p_margin, Vector3 *r_results, int p_result_max, int &r_result_count, const Set<RID> &p_exclude, uint32_t p_collision_layer, uint32_t p_object_type_mask) {
 
 	if (p_result_max <= 0)
 		return 0;
@@ -325,7 +325,7 @@ bool PhysicsDirectSpaceStateSW::collide_shape(RID p_shape, const Transform &p_sh
 
 	for (int i = 0; i < amount; i++) {
 
-		if (!_match_object_type_query(space->intersection_query_results[i], p_layer_mask, p_object_type_mask))
+		if (!_match_object_type_query(space->intersection_query_results[i], p_collision_layer, p_object_type_mask))
 			continue;
 
 		const CollisionObjectSW *col_obj = space->intersection_query_results[i];
@@ -374,7 +374,7 @@ static void _rest_cbk_result(const Vector3 &p_point_A, const Vector3 &p_point_B,
 	rd->best_object = rd->object;
 	rd->best_shape = rd->shape;
 }
-bool PhysicsDirectSpaceStateSW::rest_info(RID p_shape, const Transform &p_shape_xform, real_t p_margin, ShapeRestInfo *r_info, const Set<RID> &p_exclude, uint32_t p_layer_mask, uint32_t p_object_type_mask) {
+bool PhysicsDirectSpaceStateSW::rest_info(RID p_shape, const Transform &p_shape_xform, real_t p_margin, ShapeRestInfo *r_info, const Set<RID> &p_exclude, uint32_t p_collision_layer, uint32_t p_object_type_mask) {
 
 	ShapeSW *shape = static_cast<PhysicsServerSW *>(PhysicsServer::get_singleton())->shape_owner.get(p_shape);
 	ERR_FAIL_COND_V(!shape, 0);
@@ -391,7 +391,7 @@ bool PhysicsDirectSpaceStateSW::rest_info(RID p_shape, const Transform &p_shape_
 
 	for (int i = 0; i < amount; i++) {
 
-		if (!_match_object_type_query(space->intersection_query_results[i], p_layer_mask, p_object_type_mask))
+		if (!_match_object_type_query(space->intersection_query_results[i], p_collision_layer, p_object_type_mask))
 			continue;
 
 		const CollisionObjectSW *col_obj = space->intersection_query_results[i];
diff --git a/servers/physics/space_sw.h b/servers/physics/space_sw.h
index 20a2a06862..782bacbd65 100644
--- a/servers/physics/space_sw.h
+++ b/servers/physics/space_sw.h
@@ -47,11 +47,11 @@ class PhysicsDirectSpaceStateSW : public PhysicsDirectSpaceState {
 public:
 	SpaceSW *space;
 
-	virtual bool intersect_ray(const Vector3 &p_from, const Vector3 &p_to, RayResult &r_result, const Set<RID> &p_exclude = Set<RID>(), uint32_t p_layer_mask = 0xFFFFFFFF, uint32_t p_object_type_mask = TYPE_MASK_COLLISION, bool p_pick_ray = false);
-	virtual int intersect_shape(const RID &p_shape, const Transform &p_xform, real_t p_margin, ShapeResult *r_results, int p_result_max, const Set<RID> &p_exclude = Set<RID>(), uint32_t p_layer_mask = 0xFFFFFFFF, uint32_t p_object_type_mask = TYPE_MASK_COLLISION);
-	virtual bool cast_motion(const RID &p_shape, const Transform &p_xform, const Vector3 &p_motion, real_t p_margin, real_t &p_closest_safe, real_t &p_closest_unsafe, const Set<RID> &p_exclude = Set<RID>(), uint32_t p_layer_mask = 0xFFFFFFFF, uint32_t p_object_type_mask = TYPE_MASK_COLLISION, ShapeRestInfo *r_info = NULL);
-	virtual bool collide_shape(RID p_shape, const Transform &p_shape_xform, real_t p_margin, Vector3 *r_results, int p_result_max, int &r_result_count, const Set<RID> &p_exclude = Set<RID>(), uint32_t p_layer_mask = 0xFFFFFFFF, uint32_t p_object_type_mask = TYPE_MASK_COLLISION);
-	virtual bool rest_info(RID p_shape, const Transform &p_shape_xform, real_t p_margin, ShapeRestInfo *r_info, const Set<RID> &p_exclude = Set<RID>(), uint32_t p_layer_mask = 0xFFFFFFFF, uint32_t p_object_type_mask = TYPE_MASK_COLLISION);
+	virtual bool intersect_ray(const Vector3 &p_from, const Vector3 &p_to, RayResult &r_result, const Set<RID> &p_exclude = Set<RID>(), uint32_t p_collision_layer = 0xFFFFFFFF, uint32_t p_object_type_mask = TYPE_MASK_COLLISION, bool p_pick_ray = false);
+	virtual int intersect_shape(const RID &p_shape, const Transform &p_xform, real_t p_margin, ShapeResult *r_results, int p_result_max, const Set<RID> &p_exclude = Set<RID>(), uint32_t p_collision_layer = 0xFFFFFFFF, uint32_t p_object_type_mask = TYPE_MASK_COLLISION);
+	virtual bool cast_motion(const RID &p_shape, const Transform &p_xform, const Vector3 &p_motion, real_t p_margin, real_t &p_closest_safe, real_t &p_closest_unsafe, const Set<RID> &p_exclude = Set<RID>(), uint32_t p_collision_layer = 0xFFFFFFFF, uint32_t p_object_type_mask = TYPE_MASK_COLLISION, ShapeRestInfo *r_info = NULL);
+	virtual bool collide_shape(RID p_shape, const Transform &p_shape_xform, real_t p_margin, Vector3 *r_results, int p_result_max, int &r_result_count, const Set<RID> &p_exclude = Set<RID>(), uint32_t p_collision_layer = 0xFFFFFFFF, uint32_t p_object_type_mask = TYPE_MASK_COLLISION);
+	virtual bool rest_info(RID p_shape, const Transform &p_shape_xform, real_t p_margin, ShapeRestInfo *r_info, const Set<RID> &p_exclude = Set<RID>(), uint32_t p_collision_layer = 0xFFFFFFFF, uint32_t p_object_type_mask = TYPE_MASK_COLLISION);
 
 	PhysicsDirectSpaceStateSW();
 };
diff --git a/servers/physics_2d/collision_object_2d_sw.cpp b/servers/physics_2d/collision_object_2d_sw.cpp
index b6c1d145df..0163a18850 100644
--- a/servers/physics_2d/collision_object_2d_sw.cpp
+++ b/servers/physics_2d/collision_object_2d_sw.cpp
@@ -214,6 +214,6 @@ CollisionObject2DSW::CollisionObject2DSW(Type p_type) {
 	space = NULL;
 	instance_id = 0;
 	collision_mask = 1;
-	layer_mask = 1;
+	collision_layer = 1;
 	pickable = true;
 }
diff --git a/servers/physics_2d/collision_object_2d_sw.h b/servers/physics_2d/collision_object_2d_sw.h
index 8ca6c92dbc..f2059e8618 100644
--- a/servers/physics_2d/collision_object_2d_sw.h
+++ b/servers/physics_2d/collision_object_2d_sw.h
@@ -67,7 +67,7 @@ private:
 	Transform2D transform;
 	Transform2D inv_transform;
 	uint32_t collision_mask;
-	uint32_t layer_mask;
+	uint32_t collision_layer;
 	bool _static;
 
 	void _update_shapes();
@@ -122,8 +122,8 @@ public:
 	void set_collision_mask(uint32_t p_mask) { collision_mask = p_mask; }
 	_FORCE_INLINE_ uint32_t get_collision_mask() const { return collision_mask; }
 
-	void set_layer_mask(uint32_t p_mask) { layer_mask = p_mask; }
-	_FORCE_INLINE_ uint32_t get_layer_mask() const { return layer_mask; }
+	void set_collision_layer(uint32_t p_layer) { collision_layer = p_layer; }
+	_FORCE_INLINE_ uint32_t get_collision_layer() const { return collision_layer; }
 
 	void remove_shape(Shape2DSW *p_shape);
 	void remove_shape(int p_index);
@@ -137,7 +137,7 @@ public:
 
 	_FORCE_INLINE_ bool test_collision_mask(CollisionObject2DSW *p_other) const {
 
-		return layer_mask & p_other->collision_mask || p_other->layer_mask & collision_mask;
+		return collision_layer & p_other->collision_mask || p_other->collision_layer & collision_mask;
 	}
 
 	virtual ~CollisionObject2DSW() {}
diff --git a/servers/physics_2d/physics_2d_server_sw.cpp b/servers/physics_2d/physics_2d_server_sw.cpp
index 03e0f8a7fd..9a31fa49b0 100644
--- a/servers/physics_2d/physics_2d_server_sw.cpp
+++ b/servers/physics_2d/physics_2d_server_sw.cpp
@@ -476,12 +476,12 @@ void Physics2DServerSW::area_set_collision_mask(RID p_area, uint32_t p_mask) {
 	area->set_collision_mask(p_mask);
 }
 
-void Physics2DServerSW::area_set_layer_mask(RID p_area, uint32_t p_mask) {
+void Physics2DServerSW::area_set_collision_layer(RID p_area, uint32_t p_layer) {
 
 	Area2DSW *area = area_owner.get(p_area);
 	ERR_FAIL_COND(!area);
 
-	area->set_layer_mask(p_mask);
+	area->set_collision_layer(p_layer);
 }
 
 void Physics2DServerSW::area_set_monitor_callback(RID p_area, Object *p_receiver, const StringName &p_method) {
@@ -691,19 +691,19 @@ uint32_t Physics2DServerSW::body_get_object_instance_ID(RID p_body) const {
 	return body->get_instance_id();
 };
 
-void Physics2DServerSW::body_set_layer_mask(RID p_body, uint32_t p_flags) {
+void Physics2DServerSW::body_set_collision_layer(RID p_body, uint32_t p_flags) {
 
 	Body2DSW *body = body_owner.get(p_body);
 	ERR_FAIL_COND(!body);
-	body->set_layer_mask(p_flags);
+	body->set_collision_layer(p_flags);
 };
 
-uint32_t Physics2DServerSW::body_get_layer_mask(RID p_body) const {
+uint32_t Physics2DServerSW::body_get_collision_layer(RID p_body) const {
 
 	Body2DSW *body = body_owner.get(p_body);
 	ERR_FAIL_COND_V(!body, 0);
 
-	return body->get_layer_mask();
+	return body->get_collision_layer();
 };
 
 void Physics2DServerSW::body_set_collision_mask(RID p_body, uint32_t p_flags) {
diff --git a/servers/physics_2d/physics_2d_server_sw.h b/servers/physics_2d/physics_2d_server_sw.h
index a8d85932ff..be67e3157d 100644
--- a/servers/physics_2d/physics_2d_server_sw.h
+++ b/servers/physics_2d/physics_2d_server_sw.h
@@ -136,7 +136,7 @@ public:
 	virtual Transform2D area_get_transform(RID p_area) const;
 	virtual void area_set_monitorable(RID p_area, bool p_monitorable);
 	virtual void area_set_collision_mask(RID p_area, uint32_t p_mask);
-	virtual void area_set_layer_mask(RID p_area, uint32_t p_mask);
+	virtual void area_set_collision_layer(RID p_area, uint32_t p_layer);
 
 	virtual void area_set_monitor_callback(RID p_area, Object *p_receiver, const StringName &p_method);
 	virtual void area_set_area_monitor_callback(RID p_area, Object *p_receiver, const StringName &p_method);
@@ -176,8 +176,8 @@ public:
 	virtual void body_set_continuous_collision_detection_mode(RID p_body, CCDMode p_mode);
 	virtual CCDMode body_get_continuous_collision_detection_mode(RID p_body) const;
 
-	virtual void body_set_layer_mask(RID p_body, uint32_t p_mask);
-	virtual uint32_t body_get_layer_mask(RID p_body) const;
+	virtual void body_set_collision_layer(RID p_body, uint32_t p_layer);
+	virtual uint32_t body_get_collision_layer(RID p_body) const;
 
 	virtual void body_set_collision_mask(RID p_body, uint32_t p_mask);
 	virtual uint32_t body_get_collision_mask(RID p_) const;
diff --git a/servers/physics_2d/physics_2d_server_wrap_mt.h b/servers/physics_2d/physics_2d_server_wrap_mt.h
index ddcf31182a..1026d84fd9 100644
--- a/servers/physics_2d/physics_2d_server_wrap_mt.h
+++ b/servers/physics_2d/physics_2d_server_wrap_mt.h
@@ -162,7 +162,7 @@ public:
 	FUNC1RC(Transform2D, area_get_transform, RID);
 
 	FUNC2(area_set_collision_mask, RID, uint32_t);
-	FUNC2(area_set_layer_mask, RID, uint32_t);
+	FUNC2(area_set_collision_layer, RID, uint32_t);
 
 	FUNC2(area_set_monitorable, RID, bool);
 	FUNC2(area_set_pickable, RID, bool);
@@ -203,8 +203,8 @@ public:
 	FUNC2(body_set_continuous_collision_detection_mode, RID, CCDMode);
 	FUNC1RC(CCDMode, body_get_continuous_collision_detection_mode, RID);
 
-	FUNC2(body_set_layer_mask, RID, uint32_t);
-	FUNC1RC(uint32_t, body_get_layer_mask, RID);
+	FUNC2(body_set_collision_layer, RID, uint32_t);
+	FUNC1RC(uint32_t, body_get_collision_layer, RID);
 
 	FUNC2(body_set_collision_mask, RID, uint32_t);
 	FUNC1RC(uint32_t, body_get_collision_mask, RID);
diff --git a/servers/physics_2d/space_2d_sw.cpp b/servers/physics_2d/space_2d_sw.cpp
index 78b1e84734..fd94fc01cd 100644
--- a/servers/physics_2d/space_2d_sw.cpp
+++ b/servers/physics_2d/space_2d_sw.cpp
@@ -31,9 +31,9 @@
 #include "collision_solver_2d_sw.h"
 #include "physics_2d_server_sw.h"
 
-_FORCE_INLINE_ static bool _match_object_type_query(CollisionObject2DSW *p_object, uint32_t p_layer_mask, uint32_t p_type_mask) {
+_FORCE_INLINE_ static bool _match_object_type_query(CollisionObject2DSW *p_object, uint32_t p_collision_layer, uint32_t p_type_mask) {
 
-	if ((p_object->get_layer_mask() & p_layer_mask) == 0)
+	if ((p_object->get_collision_layer() & p_collision_layer) == 0)
 		return false;
 
 	if (p_object->get_type() == CollisionObject2DSW::TYPE_AREA)
@@ -44,7 +44,7 @@ _FORCE_INLINE_ static bool _match_object_type_query(CollisionObject2DSW *p_objec
 	return (1 << body->get_mode()) & p_type_mask;
 }
 
-int Physics2DDirectSpaceStateSW::intersect_point(const Vector2 &p_point, ShapeResult *r_results, int p_result_max, const Set<RID> &p_exclude, uint32_t p_layer_mask, uint32_t p_object_type_mask, bool p_pick_point) {
+int Physics2DDirectSpaceStateSW::intersect_point(const Vector2 &p_point, ShapeResult *r_results, int p_result_max, const Set<RID> &p_exclude, uint32_t p_collision_layer, uint32_t p_object_type_mask, bool p_pick_point) {
 
 	if (p_result_max <= 0)
 		return 0;
@@ -59,7 +59,7 @@ int Physics2DDirectSpaceStateSW::intersect_point(const Vector2 &p_point, ShapeRe
 
 	for (int i = 0; i < amount; i++) {
 
-		if (!_match_object_type_query(space->intersection_query_results[i], p_layer_mask, p_object_type_mask))
+		if (!_match_object_type_query(space->intersection_query_results[i], p_collision_layer, p_object_type_mask))
 			continue;
 
 		if (p_exclude.has(space->intersection_query_results[i]->get_self()))
@@ -95,7 +95,7 @@ int Physics2DDirectSpaceStateSW::intersect_point(const Vector2 &p_point, ShapeRe
 	return cc;
 }
 
-bool Physics2DDirectSpaceStateSW::intersect_ray(const Vector2 &p_from, const Vector2 &p_to, RayResult &r_result, const Set<RID> &p_exclude, uint32_t p_layer_mask, uint32_t p_object_type_mask) {
+bool Physics2DDirectSpaceStateSW::intersect_ray(const Vector2 &p_from, const Vector2 &p_to, RayResult &r_result, const Set<RID> &p_exclude, uint32_t p_collision_layer, uint32_t p_object_type_mask) {
 
 	ERR_FAIL_COND_V(space->locked, false);
 
@@ -117,7 +117,7 @@ bool Physics2DDirectSpaceStateSW::intersect_ray(const Vector2 &p_from, const Vec
 
 	for (int i = 0; i < amount; i++) {
 
-		if (!_match_object_type_query(space->intersection_query_results[i], p_layer_mask, p_object_type_mask))
+		if (!_match_object_type_query(space->intersection_query_results[i], p_collision_layer, p_object_type_mask))
 			continue;
 
 		if (p_exclude.has(space->intersection_query_results[i]->get_self()))
@@ -175,7 +175,7 @@ bool Physics2DDirectSpaceStateSW::intersect_ray(const Vector2 &p_from, const Vec
 	return true;
 }
 
-int Physics2DDirectSpaceStateSW::intersect_shape(const RID &p_shape, const Transform2D &p_xform, const Vector2 &p_motion, real_t p_margin, ShapeResult *r_results, int p_result_max, const Set<RID> &p_exclude, uint32_t p_layer_mask, uint32_t p_object_type_mask) {
+int Physics2DDirectSpaceStateSW::intersect_shape(const RID &p_shape, const Transform2D &p_xform, const Vector2 &p_motion, real_t p_margin, ShapeResult *r_results, int p_result_max, const Set<RID> &p_exclude, uint32_t p_collision_layer, uint32_t p_object_type_mask) {
 
 	if (p_result_max <= 0)
 		return 0;
@@ -192,7 +192,7 @@ int Physics2DDirectSpaceStateSW::intersect_shape(const RID &p_shape, const Trans
 
 	for (int i = 0; i < amount; i++) {
 
-		if (!_match_object_type_query(space->intersection_query_results[i], p_layer_mask, p_object_type_mask))
+		if (!_match_object_type_query(space->intersection_query_results[i], p_collision_layer, p_object_type_mask))
 			continue;
 
 		if (p_exclude.has(space->intersection_query_results[i]->get_self()))
@@ -217,7 +217,7 @@ int Physics2DDirectSpaceStateSW::intersect_shape(const RID &p_shape, const Trans
 	return cc;
 }
 
-bool Physics2DDirectSpaceStateSW::cast_motion(const RID &p_shape, const Transform2D &p_xform, const Vector2 &p_motion, real_t p_margin, real_t &p_closest_safe, real_t &p_closest_unsafe, const Set<RID> &p_exclude, uint32_t p_layer_mask, uint32_t p_object_type_mask) {
+bool Physics2DDirectSpaceStateSW::cast_motion(const RID &p_shape, const Transform2D &p_xform, const Vector2 &p_motion, real_t p_margin, real_t &p_closest_safe, real_t &p_closest_unsafe, const Set<RID> &p_exclude, uint32_t p_collision_layer, uint32_t p_object_type_mask) {
 
 	Shape2DSW *shape = Physics2DServerSW::singletonsw->shape_owner.get(p_shape);
 	ERR_FAIL_COND_V(!shape, false);
@@ -238,7 +238,7 @@ bool Physics2DDirectSpaceStateSW::cast_motion(const RID &p_shape, const Transfor
 
 	for (int i = 0; i < amount; i++) {
 
-		if (!_match_object_type_query(space->intersection_query_results[i], p_layer_mask, p_object_type_mask))
+		if (!_match_object_type_query(space->intersection_query_results[i], p_collision_layer, p_object_type_mask))
 			continue;
 
 		if (p_exclude.has(space->intersection_query_results[i]->get_self()))
@@ -330,7 +330,7 @@ bool Physics2DDirectSpaceStateSW::cast_motion(const RID &p_shape, const Transfor
 	return true;
 }
 
-bool Physics2DDirectSpaceStateSW::collide_shape(RID p_shape, const Transform2D &p_shape_xform, const Vector2 &p_motion, real_t p_margin, Vector2 *r_results, int p_result_max, int &r_result_count, const Set<RID> &p_exclude, uint32_t p_layer_mask, uint32_t p_object_type_mask) {
+bool Physics2DDirectSpaceStateSW::collide_shape(RID p_shape, const Transform2D &p_shape_xform, const Vector2 &p_motion, real_t p_margin, Vector2 *r_results, int p_result_max, int &r_result_count, const Set<RID> &p_exclude, uint32_t p_collision_layer, uint32_t p_object_type_mask) {
 
 	if (p_result_max <= 0)
 		return 0;
@@ -361,7 +361,7 @@ bool Physics2DDirectSpaceStateSW::collide_shape(RID p_shape, const Transform2D &
 
 	for (int i = 0; i < amount; i++) {
 
-		if (!_match_object_type_query(space->intersection_query_results[i], p_layer_mask, p_object_type_mask))
+		if (!_match_object_type_query(space->intersection_query_results[i], p_collision_layer, p_object_type_mask))
 			continue;
 
 		const CollisionObject2DSW *col_obj = space->intersection_query_results[i];
@@ -428,7 +428,7 @@ static void _rest_cbk_result(const Vector2 &p_point_A, const Vector2 &p_point_B,
 	rd->best_shape = rd->shape;
 }
 
-bool Physics2DDirectSpaceStateSW::rest_info(RID p_shape, const Transform2D &p_shape_xform, const Vector2 &p_motion, real_t p_margin, ShapeRestInfo *r_info, const Set<RID> &p_exclude, uint32_t p_layer_mask, uint32_t p_object_type_mask) {
+bool Physics2DDirectSpaceStateSW::rest_info(RID p_shape, const Transform2D &p_shape_xform, const Vector2 &p_motion, real_t p_margin, ShapeRestInfo *r_info, const Set<RID> &p_exclude, uint32_t p_collision_layer, uint32_t p_object_type_mask) {
 
 	Shape2DSW *shape = Physics2DServerSW::singletonsw->shape_owner.get(p_shape);
 	ERR_FAIL_COND_V(!shape, 0);
@@ -446,7 +446,7 @@ bool Physics2DDirectSpaceStateSW::rest_info(RID p_shape, const Transform2D &p_sh
 
 	for (int i = 0; i < amount; i++) {
 
-		if (!_match_object_type_query(space->intersection_query_results[i], p_layer_mask, p_object_type_mask))
+		if (!_match_object_type_query(space->intersection_query_results[i], p_collision_layer, p_object_type_mask))
 			continue;
 
 		const CollisionObject2DSW *col_obj = space->intersection_query_results[i];
diff --git a/servers/physics_2d/space_2d_sw.h b/servers/physics_2d/space_2d_sw.h
index 46435b1c66..64841c4328 100644
--- a/servers/physics_2d/space_2d_sw.h
+++ b/servers/physics_2d/space_2d_sw.h
@@ -47,12 +47,12 @@ class Physics2DDirectSpaceStateSW : public Physics2DDirectSpaceState {
 public:
 	Space2DSW *space;
 
-	virtual int intersect_point(const Vector2 &p_point, ShapeResult *r_results, int p_result_max, const Set<RID> &p_exclude = Set<RID>(), uint32_t p_layer_mask = 0xFFFFFFFF, uint32_t p_object_type_mask = TYPE_MASK_COLLISION, bool p_pick_point = false);
-	virtual bool intersect_ray(const Vector2 &p_from, const Vector2 &p_to, RayResult &r_result, const Set<RID> &p_exclude = Set<RID>(), uint32_t p_layer_mask = 0xFFFFFFFF, uint32_t p_object_type_mask = TYPE_MASK_COLLISION);
-	virtual int intersect_shape(const RID &p_shape, const Transform2D &p_xform, const Vector2 &p_motion, real_t p_margin, ShapeResult *r_results, int p_result_max, const Set<RID> &p_exclude = Set<RID>(), uint32_t p_layer_mask = 0xFFFFFFFF, uint32_t p_object_type_mask = TYPE_MASK_COLLISION);
-	virtual bool cast_motion(const RID &p_shape, const Transform2D &p_xform, const Vector2 &p_motion, real_t p_margin, real_t &p_closest_safe, real_t &p_closest_unsafe, const Set<RID> &p_exclude = Set<RID>(), uint32_t p_layer_mask = 0xFFFFFFFF, uint32_t p_object_type_mask = TYPE_MASK_COLLISION);
-	virtual bool collide_shape(RID p_shape, const Transform2D &p_shape_xform, const Vector2 &p_motion, real_t p_margin, Vector2 *r_results, int p_result_max, int &r_result_count, const Set<RID> &p_exclude = Set<RID>(), uint32_t p_layer_mask = 0xFFFFFFFF, uint32_t p_object_type_mask = TYPE_MASK_COLLISION);
-	virtual bool rest_info(RID p_shape, const Transform2D &p_shape_xform, const Vector2 &p_motion, real_t p_margin, ShapeRestInfo *r_info, const Set<RID> &p_exclude = Set<RID>(), uint32_t p_layer_mask = 0xFFFFFFFF, uint32_t p_object_type_mask = TYPE_MASK_COLLISION);
+	virtual int intersect_point(const Vector2 &p_point, ShapeResult *r_results, int p_result_max, const Set<RID> &p_exclude = Set<RID>(), uint32_t p_collision_layer = 0xFFFFFFFF, uint32_t p_object_type_mask = TYPE_MASK_COLLISION, bool p_pick_point = false);
+	virtual bool intersect_ray(const Vector2 &p_from, const Vector2 &p_to, RayResult &r_result, const Set<RID> &p_exclude = Set<RID>(), uint32_t p_collision_layer = 0xFFFFFFFF, uint32_t p_object_type_mask = TYPE_MASK_COLLISION);
+	virtual int intersect_shape(const RID &p_shape, const Transform2D &p_xform, const Vector2 &p_motion, real_t p_margin, ShapeResult *r_results, int p_result_max, const Set<RID> &p_exclude = Set<RID>(), uint32_t p_collision_layer = 0xFFFFFFFF, uint32_t p_object_type_mask = TYPE_MASK_COLLISION);
+	virtual bool cast_motion(const RID &p_shape, const Transform2D &p_xform, const Vector2 &p_motion, real_t p_margin, real_t &p_closest_safe, real_t &p_closest_unsafe, const Set<RID> &p_exclude = Set<RID>(), uint32_t p_collision_layer = 0xFFFFFFFF, uint32_t p_object_type_mask = TYPE_MASK_COLLISION);
+	virtual bool collide_shape(RID p_shape, const Transform2D &p_shape_xform, const Vector2 &p_motion, real_t p_margin, Vector2 *r_results, int p_result_max, int &r_result_count, const Set<RID> &p_exclude = Set<RID>(), uint32_t p_collision_layer = 0xFFFFFFFF, uint32_t p_object_type_mask = TYPE_MASK_COLLISION);
+	virtual bool rest_info(RID p_shape, const Transform2D &p_shape_xform, const Vector2 &p_motion, real_t p_margin, ShapeRestInfo *r_info, const Set<RID> &p_exclude = Set<RID>(), uint32_t p_collision_layer = 0xFFFFFFFF, uint32_t p_object_type_mask = TYPE_MASK_COLLISION);
 
 	Physics2DDirectSpaceStateSW();
 };
diff --git a/servers/physics_2d_server.cpp b/servers/physics_2d_server.cpp
index 43295073aa..8ffa82214c 100644
--- a/servers/physics_2d_server.cpp
+++ b/servers/physics_2d_server.cpp
@@ -154,13 +154,13 @@ float Physics2DShapeQueryParameters::get_margin() const {
 	return margin;
 }
 
-void Physics2DShapeQueryParameters::set_layer_mask(int p_layer_mask) {
+void Physics2DShapeQueryParameters::set_collision_layer(int p_collision_layer) {
 
-	layer_mask = p_layer_mask;
+	collision_layer = p_collision_layer;
 }
-int Physics2DShapeQueryParameters::get_layer_mask() const {
+int Physics2DShapeQueryParameters::get_collision_layer() const {
 
-	return layer_mask;
+	return collision_layer;
 }
 
 void Physics2DShapeQueryParameters::set_object_type_mask(int p_object_type_mask) {
@@ -204,8 +204,8 @@ void Physics2DShapeQueryParameters::_bind_methods() {
 	ClassDB::bind_method(D_METHOD("set_margin", "margin"), &Physics2DShapeQueryParameters::set_margin);
 	ClassDB::bind_method(D_METHOD("get_margin"), &Physics2DShapeQueryParameters::get_margin);
 
-	ClassDB::bind_method(D_METHOD("set_layer_mask", "layer_mask"), &Physics2DShapeQueryParameters::set_layer_mask);
-	ClassDB::bind_method(D_METHOD("get_layer_mask"), &Physics2DShapeQueryParameters::get_layer_mask);
+	ClassDB::bind_method(D_METHOD("set_collision_layer", "collision_layer"), &Physics2DShapeQueryParameters::set_collision_layer);
+	ClassDB::bind_method(D_METHOD("get_collision_layer"), &Physics2DShapeQueryParameters::get_collision_layer);
 
 	ClassDB::bind_method(D_METHOD("set_object_type_mask", "object_type_mask"), &Physics2DShapeQueryParameters::set_object_type_mask);
 	ClassDB::bind_method(D_METHOD("get_object_type_mask"), &Physics2DShapeQueryParameters::get_object_type_mask);
@@ -217,7 +217,7 @@ void Physics2DShapeQueryParameters::_bind_methods() {
 Physics2DShapeQueryParameters::Physics2DShapeQueryParameters() {
 
 	margin = 0;
-	layer_mask = 0x7FFFFFFF;
+	collision_layer = 0x7FFFFFFF;
 	object_type_mask = Physics2DDirectSpaceState::TYPE_MASK_COLLISION;
 }
 
@@ -249,7 +249,7 @@ Array Physics2DDirectSpaceState::_intersect_shape(const Ref<Physics2DShapeQueryP
 
 	Vector<ShapeResult> sr;
 	sr.resize(p_max_results);
-	int rc = intersect_shape(psq->shape, psq->transform, psq->motion, psq->margin, sr.ptr(), sr.size(), psq->exclude, psq->layer_mask, psq->object_type_mask);
+	int rc = intersect_shape(psq->shape, psq->transform, psq->motion, psq->margin, sr.ptr(), sr.size(), psq->exclude, psq->collision_layer, psq->object_type_mask);
 	Array ret;
 	ret.resize(rc);
 	for (int i = 0; i < rc; i++) {
@@ -269,7 +269,7 @@ Array Physics2DDirectSpaceState::_intersect_shape(const Ref<Physics2DShapeQueryP
 Array Physics2DDirectSpaceState::_cast_motion(const Ref<Physics2DShapeQueryParameters> &psq) {
 
 	float closest_safe, closest_unsafe;
-	bool res = cast_motion(psq->shape, psq->transform, psq->motion, psq->margin, closest_safe, closest_unsafe, psq->exclude, psq->layer_mask, psq->object_type_mask);
+	bool res = cast_motion(psq->shape, psq->transform, psq->motion, psq->margin, closest_safe, closest_unsafe, psq->exclude, psq->collision_layer, psq->object_type_mask);
 	if (!res)
 		return Array();
 	Array ret;
@@ -312,7 +312,7 @@ Array Physics2DDirectSpaceState::_collide_shape(const Ref<Physics2DShapeQueryPar
 	Vector<Vector2> ret;
 	ret.resize(p_max_results * 2);
 	int rc = 0;
-	bool res = collide_shape(psq->shape, psq->transform, psq->motion, psq->margin, ret.ptr(), p_max_results, rc, psq->exclude, psq->layer_mask, psq->object_type_mask);
+	bool res = collide_shape(psq->shape, psq->transform, psq->motion, psq->margin, ret.ptr(), p_max_results, rc, psq->exclude, psq->collision_layer, psq->object_type_mask);
 	if (!res)
 		return Array();
 	Array r;
@@ -325,7 +325,7 @@ Dictionary Physics2DDirectSpaceState::_get_rest_info(const Ref<Physics2DShapeQue
 
 	ShapeRestInfo sri;
 
-	bool res = rest_info(psq->shape, psq->transform, psq->motion, psq->margin, &sri, psq->exclude, psq->layer_mask, psq->object_type_mask);
+	bool res = rest_info(psq->shape, psq->transform, psq->motion, psq->margin, &sri, psq->exclude, psq->collision_layer, psq->object_type_mask);
 	Dictionary r;
 	if (!res)
 		return r;
@@ -346,8 +346,8 @@ Physics2DDirectSpaceState::Physics2DDirectSpaceState() {
 
 void Physics2DDirectSpaceState::_bind_methods() {
 
-	ClassDB::bind_method(D_METHOD("intersect_point", "point", "max_results", "exclude", "layer_mask", "type_mask"), &Physics2DDirectSpaceState::_intersect_point, DEFVAL(32), DEFVAL(Array()), DEFVAL(0x7FFFFFFF), DEFVAL(TYPE_MASK_COLLISION));
-	ClassDB::bind_method(D_METHOD("intersect_ray:Dictionary", "from", "to", "exclude", "layer_mask", "type_mask"), &Physics2DDirectSpaceState::_intersect_ray, DEFVAL(Array()), DEFVAL(0x7FFFFFFF), DEFVAL(TYPE_MASK_COLLISION));
+	ClassDB::bind_method(D_METHOD("intersect_point", "point", "max_results", "exclude", "collision_layer", "type_mask"), &Physics2DDirectSpaceState::_intersect_point, DEFVAL(32), DEFVAL(Array()), DEFVAL(0x7FFFFFFF), DEFVAL(TYPE_MASK_COLLISION));
+	ClassDB::bind_method(D_METHOD("intersect_ray:Dictionary", "from", "to", "exclude", "collision_layer", "type_mask"), &Physics2DDirectSpaceState::_intersect_ray, DEFVAL(Array()), DEFVAL(0x7FFFFFFF), DEFVAL(TYPE_MASK_COLLISION));
 	ClassDB::bind_method(D_METHOD("intersect_shape", "shape:Physics2DShapeQueryParameters", "max_results"), &Physics2DDirectSpaceState::_intersect_shape, DEFVAL(32));
 	ClassDB::bind_method(D_METHOD("cast_motion", "shape:Physics2DShapeQueryParameters"), &Physics2DDirectSpaceState::_cast_motion);
 	ClassDB::bind_method(D_METHOD("collide_shape", "shape:Physics2DShapeQueryParameters", "max_results"), &Physics2DDirectSpaceState::_collide_shape, DEFVAL(32));
@@ -504,7 +504,7 @@ void Physics2DServer::_bind_methods() {
 	ClassDB::bind_method(D_METHOD("area_remove_shape", "area", "shape_idx"), &Physics2DServer::area_remove_shape);
 	ClassDB::bind_method(D_METHOD("area_clear_shapes", "area"), &Physics2DServer::area_clear_shapes);
 
-	ClassDB::bind_method(D_METHOD("area_set_layer_mask", "area", "mask"), &Physics2DServer::area_set_layer_mask);
+	ClassDB::bind_method(D_METHOD("area_set_collision_layer", "area", "layer"), &Physics2DServer::area_set_collision_layer);
 	ClassDB::bind_method(D_METHOD("area_set_collision_mask", "area", "mask"), &Physics2DServer::area_set_collision_mask);
 
 	ClassDB::bind_method(D_METHOD("area_set_param", "area", "param", "value"), &Physics2DServer::area_set_param);
@@ -548,8 +548,8 @@ void Physics2DServer::_bind_methods() {
 	ClassDB::bind_method(D_METHOD("body_set_continuous_collision_detection_mode", "body", "mode"), &Physics2DServer::body_set_continuous_collision_detection_mode);
 	ClassDB::bind_method(D_METHOD("body_get_continuous_collision_detection_mode", "body"), &Physics2DServer::body_get_continuous_collision_detection_mode);
 
-	ClassDB::bind_method(D_METHOD("body_set_layer_mask", "body", "mask"), &Physics2DServer::body_set_layer_mask);
-	ClassDB::bind_method(D_METHOD("body_get_layer_mask", "body"), &Physics2DServer::body_get_layer_mask);
+	ClassDB::bind_method(D_METHOD("body_set_collision_layer", "body", "layer"), &Physics2DServer::body_set_collision_layer);
+	ClassDB::bind_method(D_METHOD("body_get_collision_layer", "body"), &Physics2DServer::body_get_collision_layer);
 
 	ClassDB::bind_method(D_METHOD("body_set_collision_mask", "body", "mask"), &Physics2DServer::body_set_collision_mask);
 	ClassDB::bind_method(D_METHOD("body_get_collision_mask", "body"), &Physics2DServer::body_get_collision_mask);
diff --git a/servers/physics_2d_server.h b/servers/physics_2d_server.h
index 4ea037e1b4..80113dd7d6 100644
--- a/servers/physics_2d_server.h
+++ b/servers/physics_2d_server.h
@@ -97,7 +97,7 @@ class Physics2DShapeQueryParameters : public Reference {
 	Vector2 motion;
 	float margin;
 	Set<RID> exclude;
-	uint32_t layer_mask;
+	uint32_t collision_layer;
 	uint32_t object_type_mask;
 
 protected:
@@ -117,8 +117,8 @@ public:
 	void set_margin(float p_margin);
 	float get_margin() const;
 
-	void set_layer_mask(int p_layer_mask);
-	int get_layer_mask() const;
+	void set_collision_layer(int p_collision_layer);
+	int get_collision_layer() const;
 
 	void set_object_type_mask(int p_object_type_mask);
 	int get_object_type_mask() const;
@@ -166,7 +166,7 @@ public:
 		Variant metadata;
 	};
 
-	virtual bool intersect_ray(const Vector2 &p_from, const Vector2 &p_to, RayResult &r_result, const Set<RID> &p_exclude = Set<RID>(), uint32_t p_layer_mask = 0xFFFFFFFF, uint32_t p_object_type_mask = TYPE_MASK_COLLISION) = 0;
+	virtual bool intersect_ray(const Vector2 &p_from, const Vector2 &p_to, RayResult &r_result, const Set<RID> &p_exclude = Set<RID>(), uint32_t p_collision_layer = 0xFFFFFFFF, uint32_t p_object_type_mask = TYPE_MASK_COLLISION) = 0;
 
 	struct ShapeResult {
 
@@ -177,13 +177,13 @@ public:
 		Variant metadata;
 	};
 
-	virtual int intersect_point(const Vector2 &p_point, ShapeResult *r_results, int p_result_max, const Set<RID> &p_exclude = Set<RID>(), uint32_t p_layer_mask = 0xFFFFFFFF, uint32_t p_object_type_mask = TYPE_MASK_COLLISION, bool p_pick_point = false) = 0;
+	virtual int intersect_point(const Vector2 &p_point, ShapeResult *r_results, int p_result_max, const Set<RID> &p_exclude = Set<RID>(), uint32_t p_collision_layer = 0xFFFFFFFF, uint32_t p_object_type_mask = TYPE_MASK_COLLISION, bool p_pick_point = false) = 0;
 
-	virtual int intersect_shape(const RID &p_shape, const Transform2D &p_xform, const Vector2 &p_motion, float p_margin, ShapeResult *r_results, int p_result_max, const Set<RID> &p_exclude = Set<RID>(), uint32_t p_layer_mask = 0xFFFFFFFF, uint32_t p_object_type_mask = TYPE_MASK_COLLISION) = 0;
+	virtual int intersect_shape(const RID &p_shape, const Transform2D &p_xform, const Vector2 &p_motion, float p_margin, ShapeResult *r_results, int p_result_max, const Set<RID> &p_exclude = Set<RID>(), uint32_t p_collision_layer = 0xFFFFFFFF, uint32_t p_object_type_mask = TYPE_MASK_COLLISION) = 0;
 
-	virtual bool cast_motion(const RID &p_shape, const Transform2D &p_xform, const Vector2 &p_motion, float p_margin, float &p_closest_safe, float &p_closest_unsafe, const Set<RID> &p_exclude = Set<RID>(), uint32_t p_layer_mask = 0xFFFFFFFF, uint32_t p_object_type_mask = TYPE_MASK_COLLISION) = 0;
+	virtual bool cast_motion(const RID &p_shape, const Transform2D &p_xform, const Vector2 &p_motion, float p_margin, float &p_closest_safe, float &p_closest_unsafe, const Set<RID> &p_exclude = Set<RID>(), uint32_t p_collision_layer = 0xFFFFFFFF, uint32_t p_object_type_mask = TYPE_MASK_COLLISION) = 0;
 
-	virtual bool collide_shape(RID p_shape, const Transform2D &p_shape_xform, const Vector2 &p_motion, float p_margin, Vector2 *r_results, int p_result_max, int &r_result_count, const Set<RID> &p_exclude = Set<RID>(), uint32_t p_layer_mask = 0xFFFFFFFF, uint32_t p_object_type_mask = TYPE_MASK_COLLISION) = 0;
+	virtual bool collide_shape(RID p_shape, const Transform2D &p_shape_xform, const Vector2 &p_motion, float p_margin, Vector2 *r_results, int p_result_max, int &r_result_count, const Set<RID> &p_exclude = Set<RID>(), uint32_t p_collision_layer = 0xFFFFFFFF, uint32_t p_object_type_mask = TYPE_MASK_COLLISION) = 0;
 
 	struct ShapeRestInfo {
 
@@ -196,7 +196,7 @@ public:
 		Variant metadata;
 	};
 
-	virtual bool rest_info(RID p_shape, const Transform2D &p_shape_xform, const Vector2 &p_motion, float p_margin, ShapeRestInfo *r_info, const Set<RID> &p_exclude = Set<RID>(), uint32_t p_layer_mask = 0xFFFFFFFF, uint32_t p_object_type_mask = TYPE_MASK_COLLISION) = 0;
+	virtual bool rest_info(RID p_shape, const Transform2D &p_shape_xform, const Vector2 &p_motion, float p_margin, ShapeRestInfo *r_info, const Set<RID> &p_exclude = Set<RID>(), uint32_t p_collision_layer = 0xFFFFFFFF, uint32_t p_object_type_mask = TYPE_MASK_COLLISION) = 0;
 
 	Physics2DDirectSpaceState();
 };
@@ -342,7 +342,7 @@ public:
 	virtual Transform2D area_get_transform(RID p_area) const = 0;
 
 	virtual void area_set_collision_mask(RID p_area, uint32_t p_mask) = 0;
-	virtual void area_set_layer_mask(RID p_area, uint32_t p_mask) = 0;
+	virtual void area_set_collision_layer(RID p_area, uint32_t p_layer) = 0;
 
 	virtual void area_set_monitorable(RID p_area, bool p_monitorable) = 0;
 	virtual void area_set_pickable(RID p_area, bool p_pickable) = 0;
@@ -398,8 +398,8 @@ public:
 	virtual void body_set_continuous_collision_detection_mode(RID p_body, CCDMode p_mode) = 0;
 	virtual CCDMode body_get_continuous_collision_detection_mode(RID p_body) const = 0;
 
-	virtual void body_set_layer_mask(RID p_body, uint32_t p_mask) = 0;
-	virtual uint32_t body_get_layer_mask(RID p_body) const = 0;
+	virtual void body_set_collision_layer(RID p_body, uint32_t p_layer) = 0;
+	virtual uint32_t body_get_collision_layer(RID p_body) const = 0;
 
 	virtual void body_set_collision_mask(RID p_body, uint32_t p_mask) = 0;
 	virtual uint32_t body_get_collision_mask(RID p_body) const = 0;
diff --git a/servers/physics_server.cpp b/servers/physics_server.cpp
index b19dfc1c68..6b6db1ff8c 100644
--- a/servers/physics_server.cpp
+++ b/servers/physics_server.cpp
@@ -151,13 +151,13 @@ float PhysicsShapeQueryParameters::get_margin() const {
 	return margin;
 }
 
-void PhysicsShapeQueryParameters::set_layer_mask(int p_layer_mask) {
+void PhysicsShapeQueryParameters::set_collision_layer(int p_collision_layer) {
 
-	layer_mask = p_layer_mask;
+	collision_layer = p_collision_layer;
 }
-int PhysicsShapeQueryParameters::get_layer_mask() const {
+int PhysicsShapeQueryParameters::get_collision_layer() const {
 
-	return layer_mask;
+	return collision_layer;
 }
 
 void PhysicsShapeQueryParameters::set_object_type_mask(int p_object_type_mask) {
@@ -198,8 +198,8 @@ void PhysicsShapeQueryParameters::_bind_methods() {
 	ClassDB::bind_method(D_METHOD("set_margin", "margin"), &PhysicsShapeQueryParameters::set_margin);
 	ClassDB::bind_method(D_METHOD("get_margin"), &PhysicsShapeQueryParameters::get_margin);
 
-	ClassDB::bind_method(D_METHOD("set_layer_mask", "layer_mask"), &PhysicsShapeQueryParameters::set_layer_mask);
-	ClassDB::bind_method(D_METHOD("get_layer_mask"), &PhysicsShapeQueryParameters::get_layer_mask);
+	ClassDB::bind_method(D_METHOD("set_collision_layer", "collision_layer"), &PhysicsShapeQueryParameters::set_collision_layer);
+	ClassDB::bind_method(D_METHOD("get_collision_layer"), &PhysicsShapeQueryParameters::get_collision_layer);
 
 	ClassDB::bind_method(D_METHOD("set_object_type_mask", "object_type_mask"), &PhysicsShapeQueryParameters::set_object_type_mask);
 	ClassDB::bind_method(D_METHOD("get_object_type_mask"), &PhysicsShapeQueryParameters::get_object_type_mask);
@@ -211,7 +211,7 @@ void PhysicsShapeQueryParameters::_bind_methods() {
 PhysicsShapeQueryParameters::PhysicsShapeQueryParameters() {
 
 	margin = 0;
-	layer_mask = 0x7FFFFFFF;
+	collision_layer = 0x7FFFFFFF;
 	object_type_mask = PhysicsDirectSpaceState::TYPE_MASK_COLLISION;
 }
 
@@ -274,7 +274,7 @@ Array PhysicsDirectSpaceState::_intersect_shape(const Ref<PhysicsShapeQueryParam
 
 	Vector<ShapeResult> sr;
 	sr.resize(p_max_results);
-	int rc = intersect_shape(psq->shape, psq->transform, psq->margin, sr.ptr(), sr.size(), psq->exclude, psq->layer_mask, psq->object_type_mask);
+	int rc = intersect_shape(psq->shape, psq->transform, psq->margin, sr.ptr(), sr.size(), psq->exclude, psq->collision_layer, psq->object_type_mask);
 	Array ret;
 	ret.resize(rc);
 	for (int i = 0; i < rc; i++) {
@@ -293,7 +293,7 @@ Array PhysicsDirectSpaceState::_intersect_shape(const Ref<PhysicsShapeQueryParam
 Array PhysicsDirectSpaceState::_cast_motion(const Ref<PhysicsShapeQueryParameters> &psq, const Vector3 &p_motion) {
 
 	float closest_safe, closest_unsafe;
-	bool res = cast_motion(psq->shape, psq->transform, p_motion, psq->margin, closest_safe, closest_unsafe, psq->exclude, psq->layer_mask, psq->object_type_mask);
+	bool res = cast_motion(psq->shape, psq->transform, p_motion, psq->margin, closest_safe, closest_unsafe, psq->exclude, psq->collision_layer, psq->object_type_mask);
 	if (!res)
 		return Array();
 	Array ret;
@@ -307,7 +307,7 @@ Array PhysicsDirectSpaceState::_collide_shape(const Ref<PhysicsShapeQueryParamet
 	Vector<Vector3> ret;
 	ret.resize(p_max_results * 2);
 	int rc = 0;
-	bool res = collide_shape(psq->shape, psq->transform, psq->margin, ret.ptr(), p_max_results, rc, psq->exclude, psq->layer_mask, psq->object_type_mask);
+	bool res = collide_shape(psq->shape, psq->transform, psq->margin, ret.ptr(), p_max_results, rc, psq->exclude, psq->collision_layer, psq->object_type_mask);
 	if (!res)
 		return Array();
 	Array r;
@@ -320,7 +320,7 @@ Dictionary PhysicsDirectSpaceState::_get_rest_info(const Ref<PhysicsShapeQueryPa
 
 	ShapeRestInfo sri;
 
-	bool res = rest_info(psq->shape, psq->transform, psq->margin, &sri, psq->exclude, psq->layer_mask, psq->object_type_mask);
+	bool res = rest_info(psq->shape, psq->transform, psq->margin, &sri, psq->exclude, psq->collision_layer, psq->object_type_mask);
 	Dictionary r;
 	if (!res)
 		return r;
@@ -343,7 +343,7 @@ void PhysicsDirectSpaceState::_bind_methods() {
 	//ClassDB::bind_method(D_METHOD("intersect_ray","from","to","exclude","umask"),&PhysicsDirectSpaceState::_intersect_ray,DEFVAL(Array()),DEFVAL(0));
 	//ClassDB::bind_method(D_METHOD("intersect_shape:PhysicsShapeQueryResult","shape","xform","result_max","exclude","umask"),&PhysicsDirectSpaceState::_intersect_shape,DEFVAL(Array()),DEFVAL(0));
 
-	ClassDB::bind_method(D_METHOD("intersect_ray:Dictionary", "from", "to", "exclude", "layer_mask", "type_mask"), &PhysicsDirectSpaceState::_intersect_ray, DEFVAL(Array()), DEFVAL(0x7FFFFFFF), DEFVAL(TYPE_MASK_COLLISION));
+	ClassDB::bind_method(D_METHOD("intersect_ray:Dictionary", "from", "to", "exclude", "collision_layer", "type_mask"), &PhysicsDirectSpaceState::_intersect_ray, DEFVAL(Array()), DEFVAL(0x7FFFFFFF), DEFVAL(TYPE_MASK_COLLISION));
 	ClassDB::bind_method(D_METHOD("intersect_shape", "shape:PhysicsShapeQueryParameters", "max_results"), &PhysicsDirectSpaceState::_intersect_shape, DEFVAL(32));
 	ClassDB::bind_method(D_METHOD("cast_motion", "shape:PhysicsShapeQueryParameters", "motion"), &PhysicsDirectSpaceState::_cast_motion);
 	ClassDB::bind_method(D_METHOD("collide_shape", "shape:PhysicsShapeQueryParameters", "max_results"), &PhysicsDirectSpaceState::_collide_shape, DEFVAL(32));
@@ -425,7 +425,7 @@ void PhysicsServer::_bind_methods() {
 	ClassDB::bind_method(D_METHOD("area_remove_shape", "area", "shape_idx"), &PhysicsServer::area_remove_shape);
 	ClassDB::bind_method(D_METHOD("area_clear_shapes", "area"), &PhysicsServer::area_clear_shapes);
 
-	ClassDB::bind_method(D_METHOD("area_set_layer_mask", "area", "mask"), &PhysicsServer::area_set_layer_mask);
+	ClassDB::bind_method(D_METHOD("area_set_collision_layer", "area", "layer"), &PhysicsServer::area_set_collision_layer);
 	ClassDB::bind_method(D_METHOD("area_set_collision_mask", "area", "mask"), &PhysicsServer::area_set_collision_mask);
 
 	ClassDB::bind_method(D_METHOD("area_set_param", "area", "param", "value"), &PhysicsServer::area_set_param);
@@ -450,8 +450,8 @@ void PhysicsServer::_bind_methods() {
 	ClassDB::bind_method(D_METHOD("body_set_mode", "body", "mode"), &PhysicsServer::body_set_mode);
 	ClassDB::bind_method(D_METHOD("body_get_mode", "body"), &PhysicsServer::body_get_mode);
 
-	ClassDB::bind_method(D_METHOD("body_set_layer_mask", "body", "mask"), &PhysicsServer::body_set_layer_mask);
-	ClassDB::bind_method(D_METHOD("body_get_layer_mask", "body"), &PhysicsServer::body_get_layer_mask);
+	ClassDB::bind_method(D_METHOD("body_set_collision_layer", "body", "layer"), &PhysicsServer::body_set_collision_layer);
+	ClassDB::bind_method(D_METHOD("body_get_collision_layer", "body"), &PhysicsServer::body_get_collision_layer);
 
 	ClassDB::bind_method(D_METHOD("body_set_collision_mask", "body", "mask"), &PhysicsServer::body_set_collision_mask);
 	ClassDB::bind_method(D_METHOD("body_get_collision_mask", "body"), &PhysicsServer::body_get_collision_mask);
diff --git a/servers/physics_server.h b/servers/physics_server.h
index 95f725b774..3d1a2aec7a 100644
--- a/servers/physics_server.h
+++ b/servers/physics_server.h
@@ -100,7 +100,7 @@ class PhysicsShapeQueryParameters : public Reference {
 	Transform transform;
 	float margin;
 	Set<RID> exclude;
-	uint32_t layer_mask;
+	uint32_t collision_layer;
 	uint32_t object_type_mask;
 
 protected:
@@ -117,8 +117,8 @@ public:
 	void set_margin(float p_margin);
 	float get_margin() const;
 
-	void set_layer_mask(int p_layer_mask);
-	int get_layer_mask() const;
+	void set_collision_layer(int p_collision_layer);
+	int get_collision_layer() const;
 
 	void set_object_type_mask(int p_object_type_mask);
 	int get_object_type_mask() const;
@@ -166,7 +166,7 @@ public:
 		int shape;
 	};
 
-	virtual bool intersect_ray(const Vector3 &p_from, const Vector3 &p_to, RayResult &r_result, const Set<RID> &p_exclude = Set<RID>(), uint32_t p_layer_mask = 0xFFFFFFFF, uint32_t p_object_type_mask = TYPE_MASK_COLLISION, bool p_pick_ray = false) = 0;
+	virtual bool intersect_ray(const Vector3 &p_from, const Vector3 &p_to, RayResult &r_result, const Set<RID> &p_exclude = Set<RID>(), uint32_t p_collision_layer = 0xFFFFFFFF, uint32_t p_object_type_mask = TYPE_MASK_COLLISION, bool p_pick_ray = false) = 0;
 
 	struct ShapeResult {
 
@@ -176,7 +176,7 @@ public:
 		int shape;
 	};
 
-	virtual int intersect_shape(const RID &p_shape, const Transform &p_xform, float p_margin, ShapeResult *r_results, int p_result_max, const Set<RID> &p_exclude = Set<RID>(), uint32_t p_layer_mask = 0xFFFFFFFF, uint32_t p_object_type_mask = TYPE_MASK_COLLISION) = 0;
+	virtual int intersect_shape(const RID &p_shape, const Transform &p_xform, float p_margin, ShapeResult *r_results, int p_result_max, const Set<RID> &p_exclude = Set<RID>(), uint32_t p_collision_layer = 0xFFFFFFFF, uint32_t p_object_type_mask = TYPE_MASK_COLLISION) = 0;
 
 	struct ShapeRestInfo {
 
@@ -188,11 +188,11 @@ public:
 		Vector3 linear_velocity; //velocity at contact point
 	};
 
-	virtual bool cast_motion(const RID &p_shape, const Transform &p_xform, const Vector3 &p_motion, float p_margin, float &p_closest_safe, float &p_closest_unsafe, const Set<RID> &p_exclude = Set<RID>(), uint32_t p_layer_mask = 0xFFFFFFFF, uint32_t p_object_type_mask = TYPE_MASK_COLLISION, ShapeRestInfo *r_info = NULL) = 0;
+	virtual bool cast_motion(const RID &p_shape, const Transform &p_xform, const Vector3 &p_motion, float p_margin, float &p_closest_safe, float &p_closest_unsafe, const Set<RID> &p_exclude = Set<RID>(), uint32_t p_collision_layer = 0xFFFFFFFF, uint32_t p_object_type_mask = TYPE_MASK_COLLISION, ShapeRestInfo *r_info = NULL) = 0;
 
-	virtual bool collide_shape(RID p_shape, const Transform &p_shape_xform, float p_margin, Vector3 *r_results, int p_result_max, int &r_result_count, const Set<RID> &p_exclude = Set<RID>(), uint32_t p_layer_mask = 0xFFFFFFFF, uint32_t p_object_type_mask = TYPE_MASK_COLLISION) = 0;
+	virtual bool collide_shape(RID p_shape, const Transform &p_shape_xform, float p_margin, Vector3 *r_results, int p_result_max, int &r_result_count, const Set<RID> &p_exclude = Set<RID>(), uint32_t p_collision_layer = 0xFFFFFFFF, uint32_t p_object_type_mask = TYPE_MASK_COLLISION) = 0;
 
-	virtual bool rest_info(RID p_shape, const Transform &p_shape_xform, float p_margin, ShapeRestInfo *r_info, const Set<RID> &p_exclude = Set<RID>(), uint32_t p_layer_mask = 0xFFFFFFFF, uint32_t p_object_type_mask = TYPE_MASK_COLLISION) = 0;
+	virtual bool rest_info(RID p_shape, const Transform &p_shape_xform, float p_margin, ShapeRestInfo *r_info, const Set<RID> &p_exclude = Set<RID>(), uint32_t p_collision_layer = 0xFFFFFFFF, uint32_t p_object_type_mask = TYPE_MASK_COLLISION) = 0;
 
 	PhysicsDirectSpaceState();
 };
@@ -332,7 +332,7 @@ public:
 	virtual Transform area_get_transform(RID p_area) const = 0;
 
 	virtual void area_set_collision_mask(RID p_area, uint32_t p_mask) = 0;
-	virtual void area_set_layer_mask(RID p_area, uint32_t p_mask) = 0;
+	virtual void area_set_collision_layer(RID p_area, uint32_t p_layer) = 0;
 
 	virtual void area_set_monitorable(RID p_area, bool p_monitorable) = 0;
 
@@ -382,14 +382,14 @@ public:
 	virtual void body_set_enable_continuous_collision_detection(RID p_body, bool p_enable) = 0;
 	virtual bool body_is_continuous_collision_detection_enabled(RID p_body) const = 0;
 
-	virtual void body_set_layer_mask(RID p_body, uint32_t p_mask) = 0;
-	virtual uint32_t body_get_layer_mask(RID p_body, uint32_t p_mask) const = 0;
+	virtual void body_set_collision_layer(RID p_body, uint32_t p_layer) = 0;
+	virtual uint32_t body_get_collision_layer(RID p_body) const = 0;
 
 	virtual void body_set_collision_mask(RID p_body, uint32_t p_mask) = 0;
-	virtual uint32_t body_get_collision_mask(RID p_body, uint32_t p_mask) const = 0;
+	virtual uint32_t body_get_collision_mask(RID p_body) const = 0;
 
 	virtual void body_set_user_flags(RID p_body, uint32_t p_flags) = 0;
-	virtual uint32_t body_get_user_flags(RID p_body, uint32_t p_flags) const = 0;
+	virtual uint32_t body_get_user_flags(RID p_body) const = 0;
 
 	// common body variables
 	enum BodyParameter {