Port member initialization from constructor to declaration (C++11)

Using `clang-tidy`'s `modernize-use-default-member-init` check and
manual review of the changes, and some extra manual changes that
`clang-tidy` failed to do.

Also went manually through all of `core` to find occurrences that
`clang-tidy` couldn't handle, especially all initializations done
in a constructor without using initializer lists.

2 files changed, 19 insertions, 41 deletions

diff --git a/scene/gui/label.cpp b/scene/gui/label.cpp
index bedcef2df2..7490101ee3 100644
--- a/scene/gui/label.cpp
+++ b/scene/gui/label.cpp
@@ -29,6 +29,7 @@
 /*************************************************************************/
 
 #include "label.h"
+
 #include "core/print_string.h"
 #include "core/project_settings.h"
 #include "core/translation.h"
@@ -693,24 +694,8 @@ void Label::_bind_methods() {
 }
 
 Label::Label(const String &p_text) {
-
-	align = ALIGN_LEFT;
-	valign = VALIGN_TOP;
-	xl_text = "";
-	word_cache = nullptr;
-	word_cache_dirty = true;
-	autowrap = false;
-	line_count = 0;
-	set_v_size_flags(0);
-	clip = false;
 	set_mouse_filter(MOUSE_FILTER_IGNORE);
-	total_char_cache = 0;
-	visible_chars = -1;
-	percent_visible = 1;
-	lines_skipped = 0;
-	max_lines_visible = -1;
 	set_text(p_text);
-	uppercase = false;
 	set_v_size_flags(SIZE_SHRINK_CENTER);
 }
 
diff --git a/scene/gui/label.h b/scene/gui/label.h
index ba6e627c58..0f84b01604 100644
--- a/scene/gui/label.h
+++ b/scene/gui/label.h
@@ -55,15 +55,15 @@ public:
 	};
 
 private:
-	Align align;
-	VAlign valign;
+	Align align = ALIGN_LEFT;
+	VAlign valign = VALIGN_TOP;
 	String text;
 	String xl_text;
-	bool autowrap;
-	bool clip;
+	bool autowrap = false;
+	bool clip = false;
 	Size2 minsize;
-	int line_count;
-	bool uppercase;
+	int line_count = 0;
+	bool uppercase = false;
 
 	int get_longest_line_width() const;
 
@@ -73,30 +73,23 @@ private:
 			CHAR_NEWLINE = -1,
 			CHAR_WRAPLINE = -2
 		};
-		int char_pos; // if -1, then newline
-		int word_len;
-		int pixel_width;
-		int space_count;
-		WordCache *next;
-		WordCache() {
-			char_pos = 0;
-			word_len = 0;
-			pixel_width = 0;
-			next = 0;
-			space_count = 0;
-		}
+		int char_pos = 0; // if -1, then newline
+		int word_len = 0;
+		int pixel_width = 0;
+		int space_count = 0;
+		WordCache *next = nullptr;
 	};
 
-	bool word_cache_dirty;
+	bool word_cache_dirty = true;
 	void regenerate_word_cache();
 
-	float percent_visible;
+	float percent_visible = 1;
 
-	WordCache *word_cache;
-	int total_char_cache;
-	int visible_chars;
-	int lines_skipped;
-	int max_lines_visible;
+	WordCache *word_cache = nullptr;
+	int total_char_cache = 0;
+	int visible_chars = -1;
+	int lines_skipped = 0;
+	int max_lines_visible = -1;
 
 protected:
 	void _notification(int p_what);