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Add NavigationLink function to change navigation map
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Adds NavigationLink function to change navigation map.
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@smix8
smix8 committed Aug 15, 2024
1 parent ee363af commit e6ff4e5
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Showing 6 changed files with 216 additions and 71 deletions.
13 changes: 13 additions & 0 deletions doc/classes/NavigationLink2D.xml
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Original file line number Diff line number Diff line change
Expand Up @@ -29,6 +29,12 @@
Returns whether or not the specified layer of the [member navigation_layers] bitmask is enabled, given a [param layer_number] between 1 and 32.
</description>
</method>
<method name="get_navigation_map" qualifiers="const">
<return type="RID" />
<description>
Returns the current navigation map [RID] used by this link.
</description>
</method>
<method name="get_rid" qualifiers="const">
<return type="RID" />
<description>
Expand Down Expand Up @@ -57,6 +63,13 @@
Based on [param value], enables or disables the specified layer in the [member navigation_layers] bitmask, given a [param layer_number] between 1 and 32.
</description>
</method>
<method name="set_navigation_map">
<return type="void" />
<param index="0" name="navigation_map" type="RID" />
<description>
Sets the [RID] of the navigation map this link should use. By default the link will automatically join the [World2D] default navigation map so this function is only required to override the default map.
</description>
</method>
</methods>
<members>
<member name="bidirectional" type="bool" setter="set_bidirectional" getter="is_bidirectional" default="true">
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13 changes: 13 additions & 0 deletions doc/classes/NavigationLink3D.xml
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Original file line number Diff line number Diff line change
Expand Up @@ -29,6 +29,12 @@
Returns whether or not the specified layer of the [member navigation_layers] bitmask is enabled, given a [param layer_number] between 1 and 32.
</description>
</method>
<method name="get_navigation_map" qualifiers="const">
<return type="RID" />
<description>
Returns the current navigation map [RID] used by this link.
</description>
</method>
<method name="get_rid" qualifiers="const">
<return type="RID" />
<description>
Expand Down Expand Up @@ -57,6 +63,13 @@
Based on [param value], enables or disables the specified layer in the [member navigation_layers] bitmask, given a [param layer_number] between 1 and 32.
</description>
</method>
<method name="set_navigation_map">
<return type="void" />
<param index="0" name="navigation_map" type="RID" />
<description>
Sets the [RID] of the navigation map this link should use. By default the link will automatically join the [World3D] default navigation map so this function is only required to override the default map.
</description>
</method>
</methods>
<members>
<member name="bidirectional" type="bool" setter="set_bidirectional" getter="is_bidirectional" default="true">
Expand Down
133 changes: 93 additions & 40 deletions scene/2d/navigation_link_2d.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -41,6 +41,9 @@ void NavigationLink2D::_bind_methods() {
ClassDB::bind_method(D_METHOD("set_enabled", "enabled"), &NavigationLink2D::set_enabled);
ClassDB::bind_method(D_METHOD("is_enabled"), &NavigationLink2D::is_enabled);

ClassDB::bind_method(D_METHOD("set_navigation_map", "navigation_map"), &NavigationLink2D::set_navigation_map);
ClassDB::bind_method(D_METHOD("get_navigation_map"), &NavigationLink2D::get_navigation_map);

ClassDB::bind_method(D_METHOD("set_bidirectional", "bidirectional"), &NavigationLink2D::set_bidirectional);
ClassDB::bind_method(D_METHOD("is_bidirectional"), &NavigationLink2D::is_bidirectional);

Expand Down Expand Up @@ -106,12 +109,7 @@ bool NavigationLink2D::_get(const StringName &p_name, Variant &r_ret) const {
void NavigationLink2D::_notification(int p_what) {
switch (p_what) {
case NOTIFICATION_ENTER_TREE: {
if (enabled) {
NavigationServer2D::get_singleton()->link_set_map(link, get_world_2d()->get_navigation_map());
}
current_global_transform = get_global_transform();
NavigationServer2D::get_singleton()->link_set_start_position(link, current_global_transform.xform(start_position));
NavigationServer2D::get_singleton()->link_set_end_position(link, current_global_transform.xform(end_position));
_link_enter_navigation_map();
} break;

case NOTIFICATION_TRANSFORM_CHANGED: {
Expand All @@ -120,36 +118,15 @@ void NavigationLink2D::_notification(int p_what) {

case NOTIFICATION_INTERNAL_PHYSICS_PROCESS: {
set_physics_process_internal(false);
if (is_inside_tree()) {
Transform2D new_global_transform = get_global_transform();
if (current_global_transform != new_global_transform) {
current_global_transform = new_global_transform;
NavigationServer2D::get_singleton()->link_set_start_position(link, current_global_transform.xform(start_position));
NavigationServer2D::get_singleton()->link_set_end_position(link, current_global_transform.xform(end_position));
queue_redraw();
}
}
_link_update_transform();
} break;

case NOTIFICATION_EXIT_TREE: {
NavigationServer2D::get_singleton()->link_set_map(link, RID());
_link_exit_navigation_map();
} break;
case NOTIFICATION_DRAW: {
#ifdef DEBUG_ENABLED
if (is_inside_tree() && (Engine::get_singleton()->is_editor_hint() || NavigationServer2D::get_singleton()->get_debug_enabled())) {
Color color;
if (enabled) {
color = NavigationServer2D::get_singleton()->get_debug_navigation_link_connection_color();
} else {
color = NavigationServer2D::get_singleton()->get_debug_navigation_link_connection_disabled_color();
}

real_t radius = NavigationServer2D::get_singleton()->map_get_link_connection_radius(get_world_2d()->get_navigation_map());

draw_line(get_start_position(), get_end_position(), color);
draw_arc(get_start_position(), radius, 0, Math_TAU, 10, color);
draw_arc(get_end_position(), radius, 0, Math_TAU, 10, color);
}
_update_debug_mesh();
#endif // DEBUG_ENABLED
} break;
}
Expand Down Expand Up @@ -188,15 +165,32 @@ void NavigationLink2D::set_enabled(bool p_enabled) {

enabled = p_enabled;

NavigationServer3D::get_singleton()->link_set_enabled(link, enabled);
NavigationServer2D::get_singleton()->link_set_enabled(link, enabled);

#ifdef DEBUG_ENABLED
if (Engine::get_singleton()->is_editor_hint() || NavigationServer2D::get_singleton()->get_debug_enabled()) {
queue_redraw();
}
queue_redraw();
#endif // DEBUG_ENABLED
}

void NavigationLink2D::set_navigation_map(RID p_navigation_map) {
if (map_override == p_navigation_map) {
return;
}

map_override = p_navigation_map;

NavigationServer2D::get_singleton()->link_set_map(link, map_override);
}

RID NavigationLink2D::get_navigation_map() const {
if (map_override.is_valid()) {
return map_override;
} else if (is_inside_tree()) {
return get_world_2d()->get_navigation_map();
}
return RID();
}

void NavigationLink2D::set_bidirectional(bool p_bidirectional) {
if (bidirectional == p_bidirectional) {
return;
Expand Down Expand Up @@ -255,9 +249,7 @@ void NavigationLink2D::set_start_position(Vector2 p_position) {
update_configuration_warnings();

#ifdef DEBUG_ENABLED
if (Engine::get_singleton()->is_editor_hint() || NavigationServer2D::get_singleton()->get_debug_enabled()) {
queue_redraw();
}
queue_redraw();
#endif // DEBUG_ENABLED
}

Expand All @@ -277,9 +269,7 @@ void NavigationLink2D::set_end_position(Vector2 p_position) {
update_configuration_warnings();

#ifdef DEBUG_ENABLED
if (Engine::get_singleton()->is_editor_hint() || NavigationServer2D::get_singleton()->get_debug_enabled()) {
queue_redraw();
}
queue_redraw();
#endif // DEBUG_ENABLED
}

Expand Down Expand Up @@ -347,6 +337,69 @@ PackedStringArray NavigationLink2D::get_configuration_warnings() const {
return warnings;
}

void NavigationLink2D::_link_enter_navigation_map() {
if (!is_inside_tree()) {
return;
}

if (map_override.is_valid()) {
NavigationServer2D::get_singleton()->link_set_map(link, map_override);
} else {
NavigationServer2D::get_singleton()->link_set_map(link, get_world_2d()->get_navigation_map());
}

current_global_transform = get_global_transform();

NavigationServer2D::get_singleton()->link_set_start_position(link, current_global_transform.xform(start_position));
NavigationServer2D::get_singleton()->link_set_end_position(link, current_global_transform.xform(end_position));
NavigationServer2D::get_singleton()->link_set_enabled(link, enabled);

queue_redraw();
}

void NavigationLink2D::_link_exit_navigation_map() {
NavigationServer2D::get_singleton()->link_set_map(link, RID());
}

void NavigationLink2D::_link_update_transform() {
if (!is_inside_tree()) {
return;
}

Transform2D new_global_transform = get_global_transform();
if (current_global_transform != new_global_transform) {
current_global_transform = new_global_transform;
NavigationServer2D::get_singleton()->link_set_start_position(link, current_global_transform.xform(start_position));
NavigationServer2D::get_singleton()->link_set_end_position(link, current_global_transform.xform(end_position));
queue_redraw();
}
}

#ifdef DEBUG_ENABLED
void NavigationLink2D::_update_debug_mesh() {
if (!is_inside_tree()) {
return;
}

if (!Engine::get_singleton()->is_editor_hint() && !NavigationServer2D::get_singleton()->get_debug_enabled()) {
return;
}

Color color;
if (enabled) {
color = NavigationServer2D::get_singleton()->get_debug_navigation_link_connection_color();
} else {
color = NavigationServer2D::get_singleton()->get_debug_navigation_link_connection_disabled_color();
}

real_t radius = NavigationServer2D::get_singleton()->map_get_link_connection_radius(get_world_2d()->get_navigation_map());

draw_line(get_start_position(), get_end_position(), color);
draw_arc(get_start_position(), radius, 0, Math_TAU, 10, color);
draw_arc(get_end_position(), radius, 0, Math_TAU, 10, color);
}
#endif // DEBUG_ENABLED

NavigationLink2D::NavigationLink2D() {
link = NavigationServer2D::get_singleton()->link_create();

Expand Down
13 changes: 13 additions & 0 deletions scene/2d/navigation_link_2d.h
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Original file line number Diff line number Diff line change
Expand Up @@ -38,6 +38,7 @@ class NavigationLink2D : public Node2D {

bool enabled = true;
RID link;
RID map_override;
bool bidirectional = true;
uint32_t navigation_layers = 1;
Vector2 end_position;
Expand All @@ -47,6 +48,10 @@ class NavigationLink2D : public Node2D {

Transform2D current_global_transform;

#ifdef DEBUG_ENABLED
void _update_debug_mesh();
#endif // DEBUG_ENABLED

protected:
static void _bind_methods();
void _notification(int p_what);
Expand All @@ -66,6 +71,9 @@ class NavigationLink2D : public Node2D {
void set_enabled(bool p_enabled);
bool is_enabled() const { return enabled; }

void set_navigation_map(RID p_navigation_map);
RID get_navigation_map() const;

void set_bidirectional(bool p_bidirectional);
bool is_bidirectional() const { return bidirectional; }

Expand Down Expand Up @@ -97,6 +105,11 @@ class NavigationLink2D : public Node2D {

NavigationLink2D();
~NavigationLink2D();

private:
void _link_enter_navigation_map();
void _link_exit_navigation_map();
void _link_update_transform();
};

#endif // NAVIGATION_LINK_2D_H
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