Add iostream include to collada plugin and change to light occluder to use canvas item snap function.

tools/editor/io_plugins/editor_import_collada.cpp

@@ -39,6 +39,7 @@
 #include "scene/resources/packed_scene.h"
 #include "os/os.h"
 #include "tools/editor/editor_node.h"
+#include <iostream>
 
 
 struct ColladaImport {

tools/editor/plugins/light_occluder_2d_editor_plugin.cpp

@@ -35,17 +35,6 @@ void LightOccluder2DEditor::_node_removed(Node *p_node) {
 }
 
 
-Vector2 LightOccluder2DEditor::snap_point(const Vector2& p_point) const {
-
-	if (canvas_item_editor->is_snap_active()) {
-
-		return p_point.snapped(Vector2(1,1)*canvas_item_editor->get_snap());
-
-	} else {
-		return p_point;
-	}
-}
-
 void LightOccluder2DEditor::_menu_option(int p_option) {
 
 	switch(p_option) {
@@ -109,7 +98,7 @@ bool LightOccluder2DEditor::forward_input_event(const InputEvent& p_event) {
 
 			Vector2 gpoint = Point2(mb.x,mb.y);
 			Vector2 cpoint = canvas_item_editor->get_canvas_transform().affine_inverse().xform(gpoint);
-			cpoint=snap_point(cpoint);
+			cpoint=canvas_item_editor->snap_point(cpoint);
 			cpoint = node->get_global_transform().affine_inverse().xform(cpoint);
 
 			Vector<Vector2> poly = Variant(node->get_occluder_polygon()->get_polygon());
@@ -317,7 +306,7 @@ bool LightOccluder2DEditor::forward_input_event(const InputEvent& p_event) {
 
 				Vector2 gpoint = Point2(mm.x,mm.y);
 				Vector2 cpoint = canvas_item_editor->get_canvas_transform().affine_inverse().xform(gpoint);
-				cpoint=snap_point(cpoint);
+				cpoint=canvas_item_editor->snap_point(cpoint);
 				edited_point_pos = node->get_global_transform().affine_inverse().xform(cpoint);
 
 				canvas_item_editor->get_viewport_control()->update();