physics state properly returns contact metadata, closes #1979

servers/physics_2d/body_2d_sw.cpp

@@ -29,6 +29,7 @@
 #include "body_2d_sw.h"
 #include "space_2d_sw.h"
 #include "area_2d_sw.h"
+#include "physics_2d_server_sw.h"
 
 void Body2DSW::_update_inertia() {
 
@@ -704,3 +705,24 @@ Physics2DDirectSpaceState* Physics2DDirectBodyStateSW::get_space_state() {
 
 	return body->get_space()->get_direct_state();
 }
+
+
+Variant Physics2DDirectBodyStateSW::get_contact_collider_shape_metadata(int p_contact_idx) const {
+
+	ERR_FAIL_INDEX_V(p_contact_idx,body->contact_count,Variant());
+
+	if (!Physics2DServerSW::singletonsw->body_owner.owns(body->contacts[p_contact_idx].collider)) {
+
+		return Variant();
+	}
+	Body2DSW *other = Physics2DServerSW::singletonsw->body_owner.get(body->contacts[p_contact_idx].collider);
+
+	int sidx = body->contacts[p_contact_idx].collider_shape;
+	if (sidx<0 || sidx>=other->get_shape_count()) {
+
+		return Variant();
+	}
+
+
+	return other->get_shape_metadata(sidx);
+}

servers/physics_2d/body_2d_sw.h

@@ -370,7 +370,7 @@ public:
 	virtual Vector2 get_contact_collider_pos(int p_contact_idx) const {  ERR_FAIL_INDEX_V(p_contact_idx,body->contact_count,Vector2());   return body->contacts[p_contact_idx].collider_pos;  }
 	virtual ObjectID get_contact_collider_id(int p_contact_idx) const {  ERR_FAIL_INDEX_V(p_contact_idx,body->contact_count,0);   return body->contacts[p_contact_idx].collider_instance_id;   }
 	virtual int get_contact_collider_shape(int p_contact_idx) const {  ERR_FAIL_INDEX_V(p_contact_idx,body->contact_count,0); return body->contacts[p_contact_idx].collider_shape;  }
-	virtual Variant get_contact_collider_shape_metadata(int p_contact_idx) const {  ERR_FAIL_INDEX_V(p_contact_idx,body->contact_count,Variant()); return body->get_shape_metadata(body->contacts[p_contact_idx].collider_shape);  }
+	virtual Variant get_contact_collider_shape_metadata(int p_contact_idx) const;
 
 	virtual Vector2 get_contact_collider_velocity_at_pos(int p_contact_idx) const {  ERR_FAIL_INDEX_V(p_contact_idx,body->contact_count,Vector2()); return body->contacts[p_contact_idx].collider_velocity_at_pos;  }
 

servers/physics_2d/physics_2d_server_sw.cpp

@@ -1322,8 +1322,11 @@ int Physics2DServerSW::get_process_info(ProcessInfo p_info) {
 }
 
 
+Physics2DServerSW *Physics2DServerSW::singletonsw=NULL;
+
 Physics2DServerSW::Physics2DServerSW() {
 
+	singletonsw=this;
 	BroadPhase2DSW::create_func=BroadPhase2DHashGrid::_create;
 //	BroadPhase2DSW::create_func=BroadPhase2DBasic::_create;
 

servers/physics_2d/physics_2d_server_sw.h

@@ -42,6 +42,7 @@ class Physics2DServerSW : public Physics2DServer {
 	OBJ_TYPE( Physics2DServerSW, Physics2DServer );
 
 friend class Physics2DDirectSpaceStateSW;
+friend class Physics2DDirectBodyStateSW;
 	bool active;
 	int iterations;
 	bool doing_sync;
@@ -65,7 +66,7 @@ friend class Physics2DDirectSpaceStateSW;
 	mutable RID_Owner<Body2DSW> body_owner;
 	mutable RID_Owner<Joint2DSW> joint_owner;
 
-
+	static Physics2DServerSW *singletonsw;
 
 
 //	void _clear_query(Query2DSW *p_query);