ability to set occluder mask in tilemap, fixes #3025

scene/2d/tile_map.cpp

@@ -32,6 +32,8 @@
 #include "method_bind_ext.inc"
 #include "os/os.h"
 
+
+
 int TileMap::_get_quadrant_size() const {
 
 	if (y_sort_mode)
@@ -463,6 +465,7 @@ void TileMap::_update_dirty_quadrants() {
 				VS::get_singleton()->canvas_light_occluder_set_transform(orid,get_global_transform() * xform);
 				VS::get_singleton()->canvas_light_occluder_set_polygon(orid,occluder->get_rid());
 				VS::get_singleton()->canvas_light_occluder_attach_to_canvas(orid,get_canvas());
+				VS::get_singleton()->canvas_light_occluder_set_light_mask(orid,occluder_light_mask);
 				Quadrant::Occluder oc;
 				oc.xform=xform;
 				oc.id=orid;
@@ -1086,6 +1089,24 @@ Array TileMap::get_used_cells() const {
 	return a;
 }
 
+void TileMap::set_occluder_light_mask(int p_mask) {
+
+	occluder_light_mask=p_mask;
+	for (Map<PosKey,Quadrant>::Element *E=quadrant_map.front();E;E=E->next()) {
+
+		for (Map<PosKey,Quadrant::Occluder>::Element *F=E->get().occluder_instances.front();F;F=F->next()) {
+			VisualServer::get_singleton()->canvas_light_occluder_set_light_mask(F->get().id,occluder_light_mask);
+		}
+	}
+}
+
+int TileMap::get_occluder_light_mask() const{
+
+	return occluder_light_mask;
+}
+
+
+
 void TileMap::_bind_methods() {
 
 
@@ -1137,6 +1158,9 @@ void TileMap::_bind_methods() {
 	ObjectTypeDB::bind_method(_MD("set_collision_bounce","value"),&TileMap::set_collision_bounce);
 	ObjectTypeDB::bind_method(_MD("get_collision_bounce"),&TileMap::get_collision_bounce);
 
+	ObjectTypeDB::bind_method(_MD("set_occluder_light_mask","mask"),&TileMap::set_occluder_light_mask);
+	ObjectTypeDB::bind_method(_MD("get_occluder_light_mask"),&TileMap::get_occluder_light_mask);
+
 	ObjectTypeDB::bind_method(_MD("set_cell","x","y","tile","flip_x","flip_y","transpose"),&TileMap::set_cell,DEFVAL(false),DEFVAL(false),DEFVAL(false));
 	ObjectTypeDB::bind_method(_MD("set_cellv","pos","tile","flip_x","flip_y","transpose"),&TileMap::set_cellv,DEFVAL(false),DEFVAL(false),DEFVAL(false));
 	ObjectTypeDB::bind_method(_MD("get_cell","x","y"),&TileMap::get_cell);
@@ -1171,6 +1195,7 @@ void TileMap::_bind_methods() {
 	ADD_PROPERTY( PropertyInfo(Variant::REAL,"collision/bounce",PROPERTY_HINT_RANGE,"0,1,0.01"),_SCS("set_collision_bounce"),_SCS("get_collision_bounce"));
 	ADD_PROPERTY( PropertyInfo(Variant::INT,"collision/layers",PROPERTY_HINT_ALL_FLAGS),_SCS("set_collision_layer"),_SCS("get_collision_layer"));
 	ADD_PROPERTY( PropertyInfo(Variant::INT,"collision/mask",PROPERTY_HINT_ALL_FLAGS),_SCS("set_collision_mask"),_SCS("get_collision_mask"));
+	ADD_PROPERTY( PropertyInfo(Variant::INT,"occluder/light_mask",PROPERTY_HINT_ALL_FLAGS),_SCS("set_occluder_light_mask"),_SCS("get_occluder_light_mask"));
 
 	ADD_PROPERTY( PropertyInfo(Variant::OBJECT,"tile_data",PROPERTY_HINT_NONE,"",PROPERTY_USAGE_NOEDITOR),_SCS("_set_tile_data"),_SCS("_get_tile_data"));
 
@@ -1208,6 +1233,7 @@ TileMap::TileMap() {
 	use_kinematic=false;
 	navigation=NULL;
 	y_sort_mode=false;
+	occluder_light_mask=1;
 
 	fp_adjust=0.00001;
 	tile_origin=TILE_ORIGIN_TOP_LEFT;

scene/2d/tile_map.h

@@ -150,6 +150,8 @@ private:
 
 	TileOrigin tile_origin;
 
+	int occluder_light_mask;
+
 	void _fix_cell_transform(Matrix32& xform, const Cell& p_cell, const Vector2 &p_offset, const Size2 &p_sc);
 
 	Map<PosKey,Quadrant>::Element *_create_quadrant(const PosKey& p_qk);
@@ -187,6 +189,7 @@ public:
 		INVALID_CELL=-1
 	};
 
+
 	void set_tileset(const Ref<TileSet>& p_tileset);
 	Ref<TileSet> get_tileset() const;
 
@@ -247,6 +250,9 @@ public:
 	void set_y_sort_mode(bool p_enable);
 	bool is_y_sort_mode_enabled() const;
 
+	void set_occluder_light_mask(int p_mask);
+	int get_occluder_light_mask() const;
+
 	void clear();
 
 	TileMap();