C++11 cleanup on constructors dir client (#6012)

* C++11 cleanup on constructors dir client

6 files changed, 71 insertions, 125 deletions

diff --git a/src/client/clientlauncher.cpp b/src/client/clientlauncher.cpp
index 1a7970872..9856c1920 100644
--- a/src/client/clientlauncher.cpp
+++ b/src/client/clientlauncher.cpp
@@ -38,8 +38,8 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 
 /* mainmenumanager.h
  */
-gui::IGUIEnvironment *guienv = NULL;
-gui::IGUIStaticText *guiroot = NULL;
+gui::IGUIEnvironment *guienv = nullptr;
+gui::IGUIStaticText *guiroot = nullptr;
 MainMenuManager g_menumgr;
 
 bool isMenuActive()
@@ -48,7 +48,7 @@ bool isMenuActive()
 }
 
 // Passed to menus to allow disconnecting and exiting
-MainGameCallback *g_gamecallback = NULL;
+MainGameCallback *g_gamecallback = nullptr;
 
 
 ClientLauncher::~ClientLauncher()
diff --git a/src/client/clientlauncher.h b/src/client/clientlauncher.h
index 4ff77bc03..9e0560b14 100644
--- a/src/client/clientlauncher.h
+++ b/src/client/clientlauncher.h
@@ -28,25 +28,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 class ClientLauncher
 {
 public:
-	ClientLauncher() :
-		list_video_modes(false),
-		skip_main_menu(false),
-		use_freetype(false),
-		random_input(false),
-		address(""),
-		playername(""),
-		password(""),
-		device(NULL),
-		input(NULL),
-		receiver(NULL),
-		skin(NULL),
-		font(NULL),
-		simple_singleplayer_mode(false),
-		current_playername("inv£lid"),
-		current_password(""),
-		current_address("does-not-exist"),
-		current_port(0)
-	{}
+	ClientLauncher() {}
 
 	~ClientLauncher();
 
@@ -66,29 +48,29 @@ protected:
 	void speed_tests();
 	bool print_video_modes();
 
-	bool list_video_modes;
-	bool skip_main_menu;
-	bool use_freetype;
-	bool random_input;
-	std::string address;
-	std::string playername;
-	std::string password;
-	IrrlichtDevice *device;
-	InputHandler *input;
-	MyEventReceiver *receiver;
-	gui::IGUISkin *skin;
-	gui::IGUIFont *font;
-	scene::ISceneManager *smgr;
+	bool list_video_modes = false;
+	bool skip_main_menu = false;
+	bool use_freetype = false;
+	bool random_input = false;
+	std::string address = "";
+	std::string playername = "";
+	std::string password = "";
+	IrrlichtDevice *device = nullptr;
+	InputHandler *input = nullptr;
+	MyEventReceiver *receiver = nullptr;
+	gui::IGUISkin *skin = nullptr;
+	gui::IGUIFont *font = nullptr;
+	scene::ISceneManager *smgr = nullptr;
 	SubgameSpec gamespec;
 	WorldSpec worldspec;
 	bool simple_singleplayer_mode;
 
 	// These are set up based on the menu and other things
 	// TODO: Are these required since there's already playername, password, etc
-	std::string current_playername;
-	std::string current_password;
-	std::string current_address;
-	int current_port;
+	std::string current_playername = "inv£lid";
+	std::string current_password = "";
+	std::string current_address = "does-not-exist";
+	int current_port = 0;
 };
 
 #endif
diff --git a/src/client/inputhandler.h b/src/client/inputhandler.h
index 7c422d189..19733e3ec 100644
--- a/src/client/inputhandler.h
+++ b/src/client/inputhandler.h
@@ -141,24 +141,23 @@ public:
 
 	MyEventReceiver()
 	{
-		clearInput();
 #ifdef HAVE_TOUCHSCREENGUI
 		m_touchscreengui = NULL;
 #endif
 	}
 
-	bool leftclicked;
-	bool rightclicked;
-	bool leftreleased;
-	bool rightreleased;
+	bool leftclicked = false;
+	bool rightclicked = false;
+	bool leftreleased = false;
+	bool rightreleased = false;
 
-	bool left_active;
-	bool middle_active;
-	bool right_active;
+	bool left_active = false;
+	bool middle_active = false;
+	bool right_active = false;
 
-	s32 mouse_wheel;
+	s32 mouse_wheel = 0;
 
-	JoystickController *joystick;
+	JoystickController *joystick = nullptr;
 
 #ifdef HAVE_TOUCHSCREENGUI
 	TouchScreenGUI *m_touchscreengui;
@@ -221,7 +220,7 @@ class RealInputHandler : public InputHandler
 {
 public:
 	RealInputHandler(IrrlichtDevice *device, MyEventReceiver *receiver)
-	    : m_device(device), m_receiver(receiver), m_mousepos(0, 0)
+	    : m_device(device), m_receiver(receiver)
 	{
 		m_receiver->joystick = &joystick;
 	}
@@ -277,24 +276,15 @@ public:
 	}
 
 private:
-	IrrlichtDevice *m_device;
-	MyEventReceiver *m_receiver;
+	IrrlichtDevice *m_device = nullptr;
+	MyEventReceiver *m_receiver = nullptr;
 	v2s32 m_mousepos;
 };
 
 class RandomInputHandler : public InputHandler
 {
 public:
-	RandomInputHandler()
-	{
-		leftdown = false;
-		rightdown = false;
-		leftclicked = false;
-		rightclicked = false;
-		leftreleased = false;
-		rightreleased = false;
-		keydown.clear();
-	}
+	RandomInputHandler() {}
 	virtual bool isKeyDown(const KeyPress &keyCode) { return keydown[keyCode]; }
 	virtual bool wasKeyDown(const KeyPress &keyCode) { return false; }
 	virtual v2s32 getMousePos() { return mousepos; }
@@ -390,12 +380,12 @@ private:
 	KeyList keydown;
 	v2s32 mousepos;
 	v2s32 mousespeed;
-	bool leftdown;
-	bool rightdown;
-	bool leftclicked;
-	bool rightclicked;
-	bool leftreleased;
-	bool rightreleased;
+	bool leftdown = false;
+	bool rightdown = false;
+	bool leftclicked = false;
+	bool rightclicked = false;
+	bool leftreleased = false;
+	bool rightreleased = false;
 };
 
 #endif
diff --git a/src/client/joystick_controller.cpp b/src/client/joystick_controller.cpp
index 905ca6420..5a3d35d7c 100644
--- a/src/client/joystick_controller.cpp
+++ b/src/client/joystick_controller.cpp
@@ -154,12 +154,9 @@ JoystickLayout create_xbox_layout()
 	return jlo;
 }
 
-JoystickController::JoystickController()
+JoystickController::JoystickController() :
+		doubling_dtime(g_settings->getFloat("repeat_joystick_button_time"))
 {
-	m_joystick_id = 0;
-
-	doubling_dtime = g_settings->getFloat("repeat_joystick_button_time");
-
 	for (size_t i = 0; i < KeyType::INTERNAL_ENUM_COUNT; i++) {
 		m_past_pressed_time[i] = 0;
 	}
diff --git a/src/client/joystick_controller.h b/src/client/joystick_controller.h
index 2c0e7b90a..baec4e412 100644
--- a/src/client/joystick_controller.h
+++ b/src/client/joystick_controller.h
@@ -155,7 +155,7 @@ private:
 
 	s16 m_axes_vals[JA_COUNT];
 
-	u8 m_joystick_id;
+	u8 m_joystick_id = 0;
 
 	std::bitset<KeyType::INTERNAL_ENUM_COUNT> m_pressed_keys;
 
diff --git a/src/client/tile.h b/src/client/tile.h
index 23255c461..a810aa8e5 100644
--- a/src/client/tile.h
+++ b/src/client/tile.h
@@ -69,7 +69,7 @@ void clearTextureNameCache();
 namespace irr {namespace scene {class IMesh;}}
 struct TextureFromMeshParams
 {
-	scene::IMesh *mesh;
+	scene::IMesh *mesh = nullptr;
 	core::dimension2d<u32> dim;
 	std::string rtt_texture_name;
 	bool delete_texture_on_shutdown;
@@ -92,7 +92,7 @@ public:
 	ISimpleTextureSource(){}
 	virtual ~ISimpleTextureSource(){}
 	virtual video::ITexture* getTexture(
-			const std::string &name, u32 *id = NULL) = 0;
+			const std::string &name, u32 *id = nullptr) = 0;
 };
 
 class ITextureSource : public ISimpleTextureSource
@@ -104,9 +104,9 @@ public:
 	virtual std::string getTextureName(u32 id)=0;
 	virtual video::ITexture* getTexture(u32 id)=0;
 	virtual video::ITexture* getTexture(
-			const std::string &name, u32 *id = NULL)=0;
+			const std::string &name, u32 *id = nullptr)=0;
 	virtual video::ITexture* getTextureForMesh(
-			const std::string &name, u32 *id = NULL) = 0;
+			const std::string &name, u32 *id = nullptr) = 0;
 	/*!
 	 * Returns a palette from the given texture name.
 	 * The pointer is valid until the texture source is
@@ -132,7 +132,7 @@ public:
 	virtual std::string getTextureName(u32 id)=0;
 	virtual video::ITexture* getTexture(u32 id)=0;
 	virtual video::ITexture* getTexture(
-			const std::string &name, u32 *id = NULL)=0;
+			const std::string &name, u32 *id = nullptr)=0;
 	virtual IrrlichtDevice* getDevice()=0;
 	virtual bool isKnownSourceImage(const std::string &name)=0;
 	virtual video::ITexture* generateTextureFromMesh(
@@ -180,17 +180,11 @@ enum MaterialType{
 */
 struct FrameSpec
 {
-	FrameSpec():
-		texture_id(0),
-		texture(NULL),
-		normal_texture(NULL),
-		flags_texture(NULL)
-	{
-	}
-	u32 texture_id;
-	video::ITexture *texture;
-	video::ITexture *normal_texture;
-	video::ITexture *flags_texture;
+	FrameSpec() {}
+	u32 texture_id = 0;
+	video::ITexture *texture = nullptr;
+	video::ITexture *normal_texture = nullptr;
+	video::ITexture *flags_texture = nullptr;
 };
 
 #define MAX_TILE_LAYERS 2
@@ -198,25 +192,7 @@ struct FrameSpec
 //! Defines a layer of a tile.
 struct TileLayer
 {
-	TileLayer():
-		texture(NULL),
-		normal_texture(NULL),
-		flags_texture(NULL),
-		shader_id(0),
-		texture_id(0),
-		animation_frame_length_ms(0),
-		animation_frame_count(1),
-		material_type(TILE_MATERIAL_BASIC),
-		material_flags(
-			//0 // <- DEBUG, Use the one below
-			MATERIAL_FLAG_BACKFACE_CULLING |
-			MATERIAL_FLAG_TILEABLE_HORIZONTAL|
-			MATERIAL_FLAG_TILEABLE_VERTICAL
-		),
-		has_color(false),
-		color()
-	{
-	}
+	TileLayer() {}
 
 	/*!
 	 * Two layers are equal if they can be merged.
@@ -287,22 +263,26 @@ struct TileLayer
 
 	// Ordered for size, please do not reorder
 
-	video::ITexture *texture;
-	video::ITexture *normal_texture;
-	video::ITexture *flags_texture;
+	video::ITexture *texture = nullptr;
+	video::ITexture *normal_texture = nullptr;
+	video::ITexture *flags_texture = nullptr;
 
-	u32 shader_id;
+	u32 shader_id = 0;
 
-	u32 texture_id;
+	u32 texture_id = 0;
 
-	u16 animation_frame_length_ms;
-	u8 animation_frame_count;
+	u16 animation_frame_length_ms = 0;
+	u8 animation_frame_count = 1;
 
-	u8 material_type;
-	u8 material_flags;
+	u8 material_type = TILE_MATERIAL_BASIC;
+	u8 material_flags =
+		//0 // <- DEBUG, Use the one below
+		MATERIAL_FLAG_BACKFACE_CULLING |
+		MATERIAL_FLAG_TILEABLE_HORIZONTAL|
+		MATERIAL_FLAG_TILEABLE_VERTICAL;
 
 	//! If true, the tile has its own color.
-	bool has_color;
+	bool has_color = false;
 
 	std::vector<FrameSpec> frames;
 
@@ -318,10 +298,7 @@ struct TileLayer
  */
 struct TileSpec
 {
-	TileSpec():
-		rotation(0),
-		emissive_light(0)
-	{
+	TileSpec() {
 		for (int layer = 0; layer < MAX_TILE_LAYERS; layer++)
 			layers[layer] = TileLayer();
 	}
@@ -341,9 +318,9 @@ struct TileSpec
 			&& emissive_light == other.emissive_light;
 	}
 
-	u8 rotation;
+	u8 rotation = 0;
 	//! This much light does the tile emit.
-	u8 emissive_light;
+	u8 emissive_light = 0;
 	//! The first is base texture, the second is overlay.
 	TileLayer layers[MAX_TILE_LAYERS];
 };