Replace size() == 0 with is_empty().

Author: YYF233333

core/debugger/local_debugger.cpp

@@ -242,7 +242,7 @@ void LocalDebugger::debug(bool p_can_continue, bool p_is_error_breakpoint) {
 		} else if (line.begins_with("br") || line.begins_with("break")) {
 			if (line.get_slice_count(" ") <= 1) {
 				const HashMap<int, HashSet<StringName>> &breakpoints = script_debugger->get_breakpoints();
-				if (breakpoints.size() == 0) {
+				if (breakpoints.is_empty()) {
 					print_line("No Breakpoints.");
 					continue;
 				}

core/debugger/remote_debugger_peer.cpp

@@ -96,7 +96,7 @@ void RemoteDebuggerPeerTCP::_write_out() {
 	while (tcp_client->get_status() == StreamPeerTCP::STATUS_CONNECTED && tcp_client->wait(NetSocket::POLL_TYPE_OUT) == OK) {
 		uint8_t *buf = out_buf.ptrw();
 		if (out_left <= 0) {
-			if (out_queue.size() == 0) {
+			if (out_queue.is_empty()) {
 				break; // Nothing left to send
 			}
 			mutex.lock();

core/debugger/script_debugger.cpp

@@ -58,7 +58,7 @@ void ScriptDebugger::remove_breakpoint(int p_line, const StringName &p_source) {
 	}
 
 	breakpoints[p_line].erase(p_source);
-	if (breakpoints[p_line].size() == 0) {
+	if (breakpoints[p_line].is_empty()) {
 		breakpoints.erase(p_line);
 	}
 }

core/doc_data.h

@@ -114,7 +114,7 @@ class DocData {
 				// Must be an operator or a constructor since there is no other overloading
 				if (name.left(8) == "operator") {
 					if (arguments.size() == p_method.arguments.size()) {
-						if (arguments.size() == 0) {
+						if (arguments.is_empty()) {
 							return false;
 						}
 						return arguments[0].type < p_method.arguments[0].type;
@@ -126,7 +126,7 @@ class DocData {
 					// - 1. Default constructor: Foo()
 					// - 2. Copy constructor: Foo(Foo)
 					// - 3+. Other constructors Foo(Bar, ...) based on first argument's name
-					if (arguments.size() == 0 || p_method.arguments.size() == 0) { // 1.
+					if (arguments.is_empty() || p_method.arguments.is_empty()) { // 1.
 						return arguments.size() < p_method.arguments.size();
 					}
 					if (arguments[0].type == return_type || p_method.arguments[0].type == p_method.return_type) { // 2.

core/io/image.cpp

@@ -573,7 +573,7 @@ static bool _are_formats_compatible(Image::Format p_format0, Image::Format p_for
 void Image::convert(Format p_new_format) {
 	ERR_FAIL_INDEX_MSG(p_new_format, FORMAT_MAX, vformat("The Image format specified (%d) is out of range. See Image's Format enum.", p_new_format));
 
-	if (data.size() == 0 || p_new_format == format) {
+	if (data.is_empty() || p_new_format == format) {
 		return;
 	}
 
@@ -2177,7 +2177,7 @@ void Image::clear_mipmaps() {
 }
 
 bool Image::is_empty() const {
-	return (data.size() == 0);
+	return (data.is_empty());
 }
 
 Vector<uint8_t> Image::get_data() const {
@@ -3096,7 +3096,7 @@ void Image::_repeat_pixel_over_subsequent_memory(uint8_t *p_pixel, int p_pixel_s
 }
 
 void Image::fill(const Color &p_color) {
-	if (data.size() == 0) {
+	if (data.is_empty()) {
 		return;
 	}
 	ERR_FAIL_COND_MSG(is_compressed(), "Cannot fill in compressed image formats.");
@@ -3112,7 +3112,7 @@ void Image::fill(const Color &p_color) {
 }
 
 void Image::fill_rect(const Rect2i &p_rect, const Color &p_color) {
-	if (data.size() == 0) {
+	if (data.is_empty()) {
 		return;
 	}
 	ERR_FAIL_COND_MSG(is_compressed(), "Cannot fill rect in compressed image formats.");
@@ -3734,7 +3734,7 @@ void Image::normal_map_to_xy() {
 }
 
 Ref<Image> Image::rgbe_to_srgb() {
-	if (data.size() == 0) {
+	if (data.is_empty()) {
 		return Ref<Image>();
 	}
 
@@ -3856,7 +3856,7 @@ bool Image::detect_signed(bool p_include_mips) const {
 }
 
 void Image::srgb_to_linear() {
-	if (data.size() == 0) {
+	if (data.is_empty()) {
 		return;
 	}
 
@@ -3887,7 +3887,7 @@ void Image::srgb_to_linear() {
 }
 
 void Image::linear_to_srgb() {
-	if (data.size() == 0) {
+	if (data.is_empty()) {
 		return;
 	}
 
@@ -3918,7 +3918,7 @@ void Image::linear_to_srgb() {
 }
 
 void Image::premultiply_alpha() {
-	if (data.size() == 0) {
+	if (data.is_empty()) {
 		return;
 	}
 
@@ -3940,7 +3940,7 @@ void Image::premultiply_alpha() {
 }
 
 void Image::fix_alpha_edges() {
-	if (data.size() == 0) {
+	if (data.is_empty()) {
 		return;
 	}
 

core/math/bvh.h

@@ -406,7 +406,7 @@ class BVH_Manager {
 		}
 
 		Vector<Vector3> convex_points = Geometry3D::compute_convex_mesh_points(&p_convex[0], p_convex.size());
-		if (convex_points.size() == 0) {
+		if (convex_points.is_empty()) {
 			return 0;
 		}
 

core/math/convex_hull.cpp

@@ -2237,7 +2237,7 @@ real_t ConvexHullComputer::compute(const Vector3 *p_coords, int32_t p_count, rea
 Error ConvexHullComputer::convex_hull(const Vector<Vector3> &p_points, Geometry3D::MeshData &r_mesh) {
 	r_mesh = Geometry3D::MeshData(); // clear
 
-	if (p_points.size() == 0) {
+	if (p_points.is_empty()) {
 		return FAILED; // matches QuickHull
 	}
 

core/math/geometry_3d.h

@@ -484,7 +484,7 @@ class Geometry3D {
 			LOC_OUTSIDE = -1
 		};
 
-		if (polygon.size() == 0) {
+		if (polygon.is_empty()) {
 			return polygon;
 		}
 

core/math/quick_hull.cpp

@@ -323,7 +323,7 @@ Error QuickHull::build(const Vector<Vector3> &p_points, Geometry3D::MeshData &r_
 
 		for (List<Face>::Element *&E : new_faces) {
 			Face &f2 = E->get();
-			if (f2.points_over.size() == 0) {
+			if (f2.points_over.is_empty()) {
 				faces.move_to_front(E);
 			}
 		}

core/object/message_queue.cpp

@@ -226,7 +226,7 @@ void CallQueue::_call_function(const Callable &p_callable, const Variant *p_args
 Error CallQueue::flush() {
 	LOCK_MUTEX;
 
-	if (pages.size() == 0) {
+	if (pages.is_empty()) {
 		// Never allocated
 		UNLOCK_MUTEX;
 		return OK; // Do nothing.
@@ -308,7 +308,7 @@ Error CallQueue::flush() {
 void CallQueue::clear() {
 	LOCK_MUTEX;
 
-	if (pages.size() == 0) {
+	if (pages.is_empty()) {
 		UNLOCK_MUTEX;
 		return; // Nothing to clear.
 	}