Fix all warnings and remove -Wno-unused-but-set cflag

src/CMakeLists.txt

@@ -656,13 +656,6 @@ else()
 		set(RELEASE_WARNING_FLAGS "")
 	endif()
 
-	if(NOT APPLE AND NOT "${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang")
-		CHECK_CXX_COMPILER_FLAG("-Wno-unused-but-set-variable" HAS_UNUSED_BUT_SET_VARIABLE_WARNING)
-		if(HAS_UNUSED_BUT_SET_VARIABLE_WARNING)
-			set(WARNING_FLAGS "${WARNING_FLAGS} -Wno-unused-but-set-variable")
-		endif(HAS_UNUSED_BUT_SET_VARIABLE_WARNING)
-	endif()
-
 	if("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang")
 		# clang does not understand __extern_always_inline but libc headers use it
 		set(OTHER_FLAGS "${OTHER_FLAGS} \"-D__extern_always_inline=extern __always_inline\"")

src/client.h

@@ -152,8 +152,8 @@ struct ClientEvent
 {
 	ClientEventType type;
 	union{
-		struct{
+		//struct{
-		} none;
+		//} none;
 		struct{
 			u8 amount;
 		} player_damage;
@@ -171,8 +171,8 @@ struct ClientEvent
 			std::string *formspec;
 			std::string *formname;
 		} show_formspec;
-		struct{
+		//struct{
-		} textures_updated;
+		//} textures_updated;
 		struct{
 			v3f *pos;
 			v3f *vel;

src/clientiface.cpp

@@ -179,7 +179,7 @@ void RemoteClient::GetNextBlocks(
 	s32 nearest_emerged_d = -1;
 	s32 nearest_emergefull_d = -1;
 	s32 nearest_sent_d = -1;
-	bool queue_is_full = false;
+	//bool queue_is_full = false;
 
 	s16 d;
 	for(d = d_start; d <= d_max; d++)
@@ -214,7 +214,7 @@ void RemoteClient::GetNextBlocks(
 			// Don't select too many blocks for sending
 			if(num_blocks_selected >= max_simul_dynamic)
 			{
-				queue_is_full = true;
+				//queue_is_full = true;
 				goto queue_full_break;
 			}
 

src/clientmap.cpp

@@ -190,7 +190,7 @@ void ClientMap::updateDrawList(video::IVideoDriver* driver)
 	v3f camera_position = m_camera_position;
 	v3f camera_direction = m_camera_direction;
 	f32 camera_fov = m_camera_fov;
-	v3s16 camera_offset = m_camera_offset;
+	//v3s16 camera_offset = m_camera_offset;
 	m_camera_mutex.Unlock();
 
 	// Use a higher fov to accomodate faster camera movements.

src/connection.cpp

@@ -707,14 +707,14 @@ void Channel::UpdateTimers(float dtime,bool legacy_peer)
 
 		unsigned int packet_loss = 11; /* use a neutral value for initialization */
 		unsigned int packets_successfull = 0;
-		unsigned int packet_too_late = 0;
+		//unsigned int packet_too_late = 0;
 
 		bool reasonable_amount_of_data_transmitted = false;
 
 		{
 			JMutexAutoLock internal(m_internal_mutex);
 			packet_loss = current_packet_loss;
-			packet_too_late = current_packet_too_late;
+			//packet_too_late = current_packet_too_late;
 			packets_successfull = current_packet_successfull;
 
 			if (current_bytes_transfered > (unsigned int) (window_size*512/2))

src/content_sao.cpp

@@ -223,7 +223,6 @@ public:
 		if(m_speed_f.getLength()*dtime > pos_max_d)
 			m_speed_f *= pos_max_d / (m_speed_f.getLength()*dtime);
 		v3f pos_f = getBasePosition();
-		v3f pos_f_old = pos_f;
 		v3f accel_f = v3f(0,0,0);
 		f32 stepheight = 0;
 		moveresult = collisionMoveSimple(m_env,m_env->getGameDef(),
@@ -1488,15 +1487,12 @@ bool PlayerSAO::checkMovementCheat()
 		*/
 
 		float player_max_speed = 0;
-		float player_max_speed_up = 0;
 		if(m_privs.count("fast") != 0){
 			// Fast speed
 			player_max_speed = m_player->movement_speed_fast;
-			player_max_speed_up = m_player->movement_speed_fast;
 		} else {
 			// Normal speed
 			player_max_speed = m_player->movement_speed_walk;
-			player_max_speed_up = m_player->movement_speed_walk;
 		}
 		// Tolerance. With the lag pool we shouldn't need it.
 		//player_max_speed *= 2.5;

src/drawscene.cpp

@@ -421,9 +421,6 @@ void draw_scene(video::IVideoDriver* driver, scene::ISceneManager* smgr,
 		gui::IGUIEnvironment* guienv, std::vector<aabb3f> hilightboxes,
 		const v2u32& screensize, video::SColor skycolor, bool show_hud)
 {
-	//TODO check if usefull
-	u32 scenetime = 0;
-	{
 	TimeTaker timer("smgr");
 
 	bool draw_wield_tool = (show_hud &&
@@ -491,9 +488,7 @@ void draw_scene(video::IVideoDriver* driver, scene::ISceneManager* smgr,
 
 	guienv->drawAll();
 
-		scenetime = timer.stop(true);
+	timer.stop(true);
-	}
-
 }
 
 /*

src/environment.h

@@ -433,8 +433,8 @@ struct ClientEnvEvent
 {
 	ClientEnvEventType type;
 	union {
-		struct{
+		//struct{
-		} none;
+		//} none;
 		struct{
 			u8 amount;
 			bool send_to_server;

src/guiEngine.cpp

@@ -364,15 +364,14 @@ void GUIEngine::cloudPostProcess()
 {
 	float fps_max = g_settings->getFloat("fps_max");
 	// Time of frame without fps limit
-	float busytime;
 	u32 busytime_u32;
+
 	// not using getRealTime is necessary for wine
 	u32 time = m_device->getTimer()->getTime();
 	if(time > m_cloud.lasttime)
 		busytime_u32 = time - m_cloud.lasttime;
 	else
 		busytime_u32 = 0;
-	busytime = busytime_u32 / 1000.0;
 
 	// FPS limiter
 	u32 frametime_min = 1000./fps_max;

src/jthread/pthread/jthread.cpp

@@ -146,10 +146,7 @@ bool JThread::IsSameThread()
 
 void *JThread::TheThread(void *param)
 {
-	JThread *jthread;
+	JThread *jthread = (JThread *)param;
-	void *ret;
-
-	jthread = (JThread *)param;
 
 	jthread->continuemutex2.Lock();
 	jthread->running = true;
@@ -157,7 +154,7 @@ void *JThread::TheThread(void *param)
 	jthread->continuemutex.Lock();
 	jthread->continuemutex.Unlock();
 
-	ret = jthread->Thread();
+	jthread->Thread();
 
 	jthread->running = false;
 

src/localplayer.cpp

@@ -74,8 +74,6 @@ void LocalPlayer::move(f32 dtime, Environment *env, f32 pos_max_d,
 
 	v3f position = getPosition();
 
-	v3f old_speed = m_speed;
-
 	// Copy parent position if local player is attached
 	if(isAttached)
 	{

src/map.cpp

@@ -3220,8 +3220,6 @@ bool ServerMap::loadSectorMeta(v2s16 p2d)
 {
 	DSTACK(__FUNCTION_NAME);
 
-	MapSector *sector = NULL;
-
 	// The directory layout we're going to load from.
 	//  1 - original sectors/xxxxzzzz/
 	//  2 - new sectors2/xxx/zzz/
@@ -3241,7 +3239,7 @@ bool ServerMap::loadSectorMeta(v2s16 p2d)
 	}
 
 	try{
-		sector = loadSectorMeta(sectordir, loadlayout != 2);
+		loadSectorMeta(sectordir, loadlayout != 2);
 	}
 	catch(InvalidFilenameException &e)
 	{

src/mapblock.cpp

@@ -147,7 +147,7 @@ bool MapBlock::propagateSunlight(std::set<v3s16> & light_sources,
 		{
 #if 1
 			bool no_sunlight = false;
-			bool no_top_block = false;
+			//bool no_top_block = false;
 
 			// Check if node above block has sunlight
 
@@ -168,7 +168,7 @@ bool MapBlock::propagateSunlight(std::set<v3s16> & light_sources,
 			}
 			else
 			{
-				no_top_block = true;
+				//no_top_block = true;
 
 				// NOTE: This makes over-ground roofed places sunlighted
 				// Assume sunlight, unless is_underground==true

src/mapgen.cpp

@@ -310,7 +310,6 @@ void Mapgen::spreadLight(v3s16 nmin, v3s16 nmax)
 {
 	//TimeTaker t("spreadLight");
 	VoxelArea a(nmin, nmax);
-	v3s16 em = vm->m_area.getExtent();
 
 	for (int z = a.MinEdge.Z; z <= a.MaxEdge.Z; z++) {
 		for (int y = a.MinEdge.Y; y <= a.MaxEdge.Y; y++) {

src/mapgen_v6.cpp

@@ -438,7 +438,6 @@ void MapgenV6::makeChunk(BlockMakeData *data)
 	this->ndef = data->nodedef;
 
 	// Hack: use minimum block coords for old code that assumes a single block
-	v3s16 blockpos = data->blockpos_requested;
 	v3s16 blockpos_min = data->blockpos_min;
 	v3s16 blockpos_max = data->blockpos_max;
 

src/script/lua_api/l_mainmenu.cpp

@@ -1025,10 +1025,6 @@ int ModApiMainMenu::l_download_file(lua_State *L)
 /******************************************************************************/
 int ModApiMainMenu::l_get_video_drivers(lua_State *L)
 {
-	unsigned int index = 1;
-	lua_newtable(L);
-	int top = lua_gettop(L);
-
 	std::vector<irr::video::E_DRIVER_TYPE> drivers
 		= porting::getSupportedVideoDrivers();
 

src/script/lua_api/l_mapgen.h

@@ -23,7 +23,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #include "lua_api/l_base.h"
 
 class INodeDefManager;
-class NodeResolveInfo;
+struct NodeResolveInfo;
 class DecoSimple;
 class DecoSchematic;