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Merge pull request #12593 from DmDerbin/master

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AStar: implementation of get_point_connections
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Poommetee Ketson 2017-11-04 16:49:29 +07:00 committed by GitHub
commit 9aebdd2ae8
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3 changed files with 40 additions and 0 deletions
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17
core/math/a_star.cpp
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@ -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);

1
core/math/a_star.h
View file

@ -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);

22
doc/classes/AStar.xml
View file

@ -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>