Fix unused variable warnings

The forth in my quest to make Godot 3.x compile with -Werror on GCC7

4 files changed, 3 insertions, 16 deletions

diff --git a/editor/plugins/script_text_editor.cpp b/editor/plugins/script_text_editor.cpp
index fae57eb5d2..2192d3ac49 100644
--- a/editor/plugins/script_text_editor.cpp
+++ b/editor/plugins/script_text_editor.cpp
@@ -624,7 +624,7 @@ void ScriptTextEditor::_code_complete_script(const String &p_code, List<String>
 	}
 	String hint;
 	Error err = script->get_language()->complete_code(p_code, script->get_path().get_base_dir(), base, r_options, r_force, hint);
-	if (hint != "") {
+	if (err == OK && hint != "") {
 		code_editor->get_text_edit()->set_code_hint(hint);
 	}
 }
diff --git a/editor/plugins/shader_editor_plugin.cpp b/editor/plugins/shader_editor_plugin.cpp
index b02016c273..1b02f18d85 100644
--- a/editor/plugins/shader_editor_plugin.cpp
+++ b/editor/plugins/shader_editor_plugin.cpp
@@ -164,6 +164,8 @@ void ShaderTextEditor::_code_complete_script(const String &p_code, List<String>
 	String calltip;
 
 	Error err = sl.complete(p_code, ShaderTypes::get_singleton()->get_functions(VisualServer::ShaderMode(shader->get_mode())), ShaderTypes::get_singleton()->get_modes(VisualServer::ShaderMode(shader->get_mode())), ShaderTypes::get_singleton()->get_types(), r_options, calltip);
+	if (err != OK)
+		ERR_PRINT("Shaderlang complete failed");
 
 	if (calltip != "") {
 		get_text_edit()->set_code_hint(calltip);
@@ -403,13 +405,7 @@ void ShaderEditorPlugin::edit(Object *p_object) {
 
 bool ShaderEditorPlugin::handles(Object *p_object) const {
 
-	bool handles = true;
 	Shader *shader = Object::cast_to<Shader>(p_object);
-	/*
-	if (Object::cast_to<ShaderGraph>(shader)) // Don't handle ShaderGraph's
-		handles = false;
-	*/
-
 	return shader != NULL;
 }
 
diff --git a/editor/plugins/spatial_editor_plugin.cpp b/editor/plugins/spatial_editor_plugin.cpp
index 4e722be44b..235700a3c3 100644
--- a/editor/plugins/spatial_editor_plugin.cpp
+++ b/editor/plugins/spatial_editor_plugin.cpp
@@ -2528,7 +2528,6 @@ Vector3 SpatialEditorViewport::_get_instance_position(const Point2 &p_pos) const
 
 		found_gizmos.insert(seg);
 
-		int handle = -1;
 		Vector3 hit_point;
 		Vector3 hit_normal;
 		bool inters = seg->intersect_ray(camera, p_pos, hit_point, hit_normal, NULL, false);
@@ -3423,13 +3422,6 @@ void SpatialEditor::set_state(const Dictionary &p_state) {
 		settings_znear->set_value(float(d["znear"]));
 	if (d.has("fov"))
 		settings_fov->set_value(float(d["fov"]));
-
-	if (d.has("default_srgb")) {
-		bool use = d["default_srgb"];
-
-		//viewport_environment->set_enable_fx(Environment::FX_SRGB,use);
-		//view_menu->get_popup()->set_item_checked( view_menu->get_popup()->get_item_index(MENU_VIEW_USE_DEFAULT_SRGB), use );
-	}
 	if (d.has("show_grid")) {
 		bool use = d["show_grid"];
 
diff --git a/editor/plugins/tile_map_editor_plugin.cpp b/editor/plugins/tile_map_editor_plugin.cpp
index f943ee5f6d..43856116a6 100644
--- a/editor/plugins/tile_map_editor_plugin.cpp
+++ b/editor/plugins/tile_map_editor_plugin.cpp
@@ -550,7 +550,6 @@ void TileMapEditor::_draw_fill_preview(int p_cell, const Point2i &p_point, bool
 	PoolVector<Vector2> points = _bucket_fill(p_point, false, true);
 	PoolVector<Vector2>::Read pr = points.read();
 	int len = points.size();
-	int time_after = OS::get_singleton()->get_ticks_msec();
 
 	for (int i = 0; i < len; ++i) {
 		_draw_cell(p_cell, pr[i], p_flip_h, p_flip_v, p_transpose, p_xform);