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-rw-r--r--core/math/a_star.cpp17
-rw-r--r--core/math/a_star.h1
-rw-r--r--doc/classes/AStar.xml22
3 files changed, 40 insertions, 0 deletions
diff --git a/core/math/a_star.cpp b/core/math/a_star.cpp
index f43af49754..7e26761abf 100644
--- a/core/math/a_star.cpp
+++ b/core/math/a_star.cpp
@@ -159,6 +159,21 @@ Array AStar::get_points() {
return point_list;
}
+PoolVector<int> AStar::get_point_connections(int p_id) {
+
+ ERR_FAIL_COND_V(!points.has(p_id), PoolVector<int>());
+
+ PoolVector<int> point_list;
+
+ Point *p = points[p_id];
+
+ for (int i = 0; i < p->neighbours.size(); i++) {
+ point_list.push_back(p->neighbours[i]->id);
+ }
+
+ return point_list;
+}
+
bool AStar::are_points_connected(int p_id, int p_with_id) const {
Segment s(p_id, p_with_id);
@@ -444,6 +459,8 @@ void AStar::_bind_methods() {
ClassDB::bind_method(D_METHOD("has_point", "id"), &AStar::has_point);
ClassDB::bind_method(D_METHOD("get_points"), &AStar::get_points);
+ ClassDB::bind_method(D_METHOD("get_point_connections"), &AStar::get_point_connections);
+
ClassDB::bind_method(D_METHOD("connect_points", "id", "to_id", "bidirectional"), &AStar::connect_points, DEFVAL(true));
ClassDB::bind_method(D_METHOD("disconnect_points", "id", "to_id"), &AStar::disconnect_points);
ClassDB::bind_method(D_METHOD("are_points_connected", "id", "to_id"), &AStar::are_points_connected);
diff --git a/core/math/a_star.h b/core/math/a_star.h
index 23773e82e2..b7b7e54125 100644
--- a/core/math/a_star.h
+++ b/core/math/a_star.h
@@ -109,6 +109,7 @@ public:
void set_point_weight_scale(int p_id, real_t p_weight_scale);
void remove_point(int p_id);
bool has_point(int p_id) const;
+ PoolVector<int> get_point_connections(int p_id);
Array get_points();
void connect_points(int p_id, int p_with_id, bool bidirectional = true);
diff --git a/doc/classes/AStar.xml b/doc/classes/AStar.xml
index baeeddcd1a..10ca3035fb 100644
--- a/doc/classes/AStar.xml
+++ b/doc/classes/AStar.xml
@@ -243,6 +243,28 @@
Sets the [code]weight_scale[/code] for the point with the given id.
</description>
</method>
+ <method name="get_point_connections">
+ <return type="PoolIntArray">
+ </return>
+ <argument index="0" name="id" type="int">
+ </argument>
+ <description>
+ Returns an array with the ids of the points that form the connect with the given point.
+ [codeblock]
+ var as = AStar.new()
+
+ as.add_point(1, Vector3(0,0,0))
+ as.add_point(2, Vector3(0,1,0))
+ as.add_point(3, Vector3(1,1,0))
+ as.add_point(4, Vector3(2,0,0))
+
+ as.connect_points(1, 2, true)
+ as.connect_points(1, 3, true)
+
+ var neighbors = as.get_point_connections(1) # returns [2, 3]
+ [/codeblock]
+ </description>
+ </method>
</methods>
<constants>
</constants>