Use C++ iterators for Lists in many situations

2 files changed, 11 insertions, 16 deletions

diff --git a/modules/gridmap/grid_map.cpp b/modules/gridmap/grid_map.cpp
index 0cd41133f1..ca461566d3 100644
--- a/modules/gridmap/grid_map.cpp
+++ b/modules/gridmap/grid_map.cpp
@@ -519,14 +519,14 @@ bool GridMap::_octant_update(const OctantKey &p_key) {
 			RS::get_singleton()->multimesh_set_mesh(mm, mesh_library->get_item_mesh(E->key())->get_rid());
 
 			int idx = 0;
-			for (List<Pair<Transform3D, IndexKey>>::Element *F = E->get().front(); F; F = F->next()) {
-				RS::get_singleton()->multimesh_instance_set_transform(mm, idx, F->get().first);
+			for (Pair<Transform3D, IndexKey> &F : E->get()) {
+				RS::get_singleton()->multimesh_instance_set_transform(mm, idx, F.first);
 #ifdef TOOLS_ENABLED
 
 				Octant::MultimeshInstance::Item it;
 				it.index = idx;
-				it.transform = F->get().first;
-				it.key = F->get().second;
+				it.transform = F.first;
+				it.key = F.second;
 				mmi.items.push_back(it);
 #endif
 
diff --git a/modules/gridmap/grid_map_editor_plugin.cpp b/modules/gridmap/grid_map_editor_plugin.cpp
index 046f8c0adb..9530122e04 100644
--- a/modules/gridmap/grid_map_editor_plugin.cpp
+++ b/modules/gridmap/grid_map_editor_plugin.cpp
@@ -497,8 +497,8 @@ void GridMapEditor::_fill_selection() {
 }
 
 void GridMapEditor::_clear_clipboard_data() {
-	for (List<ClipboardItem>::Element *E = clipboard_items.front(); E; E = E->next()) {
-		RenderingServer::get_singleton()->free(E->get().instance);
+	for (ClipboardItem &E : clipboard_items) {
+		RenderingServer::get_singleton()->free(E.instance);
 	}
 
 	clipboard_items.clear();
@@ -552,9 +552,7 @@ void GridMapEditor::_update_paste_indicator() {
 
 	RenderingServer::get_singleton()->instance_set_transform(paste_instance, node->get_global_transform() * xf);
 
-	for (List<ClipboardItem>::Element *E = clipboard_items.front(); E; E = E->next()) {
-		ClipboardItem &item = E->get();
-
+	for (ClipboardItem &item : clipboard_items) {
 		xf = Transform3D();
 		xf.origin = (paste_indicator.begin + (paste_indicator.current - paste_indicator.click) + center) * node->get_cell_size();
 		xf.basis = rot * xf.basis;
@@ -578,9 +576,7 @@ void GridMapEditor::_do_paste() {
 	Vector3 ofs = paste_indicator.current - paste_indicator.click;
 	undo_redo->create_action(TTR("GridMap Paste Selection"));
 
-	for (List<ClipboardItem>::Element *E = clipboard_items.front(); E; E = E->next()) {
-		ClipboardItem &item = E->get();
-
+	for (ClipboardItem &item : clipboard_items) {
 		Vector3 position = rot.xform(item.grid_offset) + paste_indicator.begin + ofs;
 
 		Basis orm;
@@ -663,8 +659,7 @@ bool GridMapEditor::forward_spatial_input_event(Camera3D *p_camera, const Ref<In
 			if ((mb->get_button_index() == MOUSE_BUTTON_RIGHT && input_action == INPUT_ERASE) || (mb->get_button_index() == MOUSE_BUTTON_LEFT && input_action == INPUT_PAINT)) {
 				if (set_items.size()) {
 					undo_redo->create_action(TTR("GridMap Paint"));
-					for (List<SetItem>::Element *E = set_items.front(); E; E = E->next()) {
-						const SetItem &si = E->get();
+					for (SetItem &si : set_items) {
 						undo_redo->add_do_method(node, "set_cell_item", si.position, si.new_value, si.new_orientation);
 					}
 					for (List<SetItem>::Element *E = set_items.back(); E; E = E->prev()) {
@@ -869,8 +864,8 @@ void GridMapEditor::update_palette() {
 
 	int item = 0;
 
-	for (List<_CGMEItemSort>::Element *E = il.front(); E; E = E->next()) {
-		int id = E->get().id;
+	for (_CGMEItemSort &E : il) {
+		int id = E.id;
 		String name = mesh_library->get_item_name(id);
 		Ref<Texture2D> preview = mesh_library->get_item_preview(id);