Fix nearly all warnings

src/collision.cpp

@@ -298,7 +298,7 @@ collisionMoveResult collisionMoveSimple(Environment *env, IGameDef *gamedef,
 			f32 distance = speed_f.getLength();
 			std::vector<DistanceSortedActiveObject> clientobjects;
 			c_env->getActiveObjects(pos_f,distance * 1.5,clientobjects);
-			for (int i=0; i < clientobjects.size(); i++)
+			for (size_t i=0; i < clientobjects.size(); i++)
 			{
 				if ((self == 0) || (self != clientobjects[i].obj)) {
 					objects.push_back((ActiveObject*)clientobjects[i].obj);

src/emerge.h

@@ -31,8 +31,8 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 	infostream << "EmergeThread: " x << std::endl; }
 
 class Mapgen;
-class MapgenParams;
-class MapgenFactory;
+struct MapgenParams;
+struct MapgenFactory;
 class Biome;
 class BiomeDefManager;
 class EmergeThread;

src/environment.cpp

@@ -910,7 +910,6 @@ void ServerEnvironment::clearAllObjects()
 		if(obj->getType() == ACTIVEOBJECT_TYPE_PLAYER)
 			continue;
 		u16 id = i->first;
-		v3f objectpos = obj->getBasePosition();
 		// Delete static object if block is loaded
 		if(obj->m_static_exists){
 			MapBlock *block = m_map->getBlockNoCreateNoEx(obj->m_static_block);
@@ -1031,8 +1030,6 @@ void ServerEnvironment::step(float dtime)
 			// Ignore disconnected players
 			if(player->peer_id == 0)
 				continue;
-
-			v3f playerpos = player->getPosition();
 			
 			// Move
 			player->move(dtime, *m_map, 100*BS);
@@ -2072,8 +2069,6 @@ void ClientEnvironment::step(float dtime)
 		*/
 		
 		{
-			v3f lplayerpos = lplayer->getPosition();
-			
 			// Apply physics
 			if(free_move == false && is_climbing == false)
 			{
@@ -2197,7 +2192,6 @@ void ClientEnvironment::step(float dtime)
 			i != m_players.end(); ++i)
 	{
 		Player *player = *i;
-		v3f playerpos = player->getPosition();
 		
 		/*
 			Handle non-local players

src/guiConfigureWorld.cpp

@@ -165,8 +165,6 @@ void GUIConfigureWorld::regenerateGui(v2u32 screensize)
 	DesiredRect = rect;
 	recalculateAbsolutePosition(false);
 
-	v2s32 size = rect.getSize();
-
 	v2s32 topleft = v2s32(10, 10);
 
 	/*

src/guiCreateWorld.cpp

@@ -112,8 +112,6 @@ void GUICreateWorld::regenerateGui(v2u32 screensize)
 	DesiredRect = rect;
 	recalculateAbsolutePosition(false);
 
-	v2s32 size = rect.getSize();
-
 	v2s32 topleft = v2s32(10+80, 10+70);
 
 	/*

src/guiPasswordChange.cpp

@@ -95,7 +95,6 @@ void GUIPasswordChange::regenerateGui(v2u32 screensize)
 
 	v2s32 size = rect.getSize();
 	v2s32 topleft_client(40, 0);
-	v2s32 size_client = size - v2s32(40, 0);
 
 	/*
 		Add stuff

src/guiVolumeChange.cpp

@@ -96,7 +96,6 @@ void GUIVolumeChange::regenerateGui(v2u32 screensize)
 
 	v2s32 size = rect.getSize();
 	v2s32 topleft_client(40, 0);
-	v2s32 size_client = size - v2s32(40, 0);
 	int volume=(int)(g_settings->getFloat("sound_volume")*100);
 	/*
 		Add stuff

src/map.cpp

@@ -288,10 +288,10 @@ void Map::unspreadLight(enum LightBank bank,
 			continue;
 
 		// Calculate relative position in block
-		v3s16 relpos = pos - blockpos_last * MAP_BLOCKSIZE;
+		//v3s16 relpos = pos - blockpos_last * MAP_BLOCKSIZE;
 
 		// Get node straight from the block
-		MapNode n = block->getNode(relpos);
+		//MapNode n = block->getNode(relpos);
 
 		u8 oldlight = j->second;
 
@@ -937,7 +937,7 @@ void Map::addNodeAndUpdate(v3s16 p, MapNode n,
 	*/
 
 	v3s16 toppos = p + v3s16(0,1,0);
-	v3s16 bottompos = p + v3s16(0,-1,0);
+	//v3s16 bottompos = p + v3s16(0,-1,0);
 
 	bool node_under_sunlight = true;
 	std::set<v3s16> light_sources;
@@ -1246,7 +1246,7 @@ void Map::removeNodeAndUpdate(v3s16 p,
 		// Get the brightest neighbour node and propagate light from it
 		v3s16 n2p = getBrightestNeighbour(bank, p);
 		try{
-			MapNode n2 = getNode(n2p);
+			//MapNode n2 = getNode(n2p);
 			lightNeighbors(bank, n2p, modified_blocks);
 		}
 		catch(InvalidPositionException &e)
@@ -2831,7 +2831,7 @@ ServerMapSector * ServerMap::createSector(v2s16 p2d)
 	sector = new ServerMapSector(this, p2d, m_gamedef);
 
 	// Sector position on map in nodes
-	v2s16 nodepos2d = p2d * MAP_BLOCKSIZE;
+	//v2s16 nodepos2d = p2d * MAP_BLOCKSIZE;
 
 	/*
 		Insert to container

src/mapgen_v6.cpp

@@ -375,8 +375,6 @@ void MapgenV6::makeChunk(BlockMakeData *data) {
 	v3s16 blockpos = data->blockpos_requested;
 	v3s16 blockpos_min = data->blockpos_min;
 	v3s16 blockpos_max = data->blockpos_max;
-	v3s16 blockpos_full_min = blockpos_min - v3s16(1,1,1);
-	v3s16 blockpos_full_max = blockpos_max + v3s16(1,1,1);
 
 	// Area of central chunk
 	node_min = blockpos_min*MAP_BLOCKSIZE;

src/mapgen_v7.cpp

@@ -152,8 +152,6 @@ void MapgenV7::makeChunk(BlockMakeData *data) {
 	
 	v3s16 blockpos_min = data->blockpos_min;
 	v3s16 blockpos_max = data->blockpos_max;
-	v3s16 blockpos_full_min = blockpos_min - v3s16(1, 1, 1);
-	v3s16 blockpos_full_max = blockpos_max + v3s16(1, 1, 1);
 	node_min = blockpos_min * MAP_BLOCKSIZE;
 	node_max = (blockpos_max + v3s16(1, 1, 1)) * MAP_BLOCKSIZE - v3s16(1, 1, 1);
 	full_node_min = (blockpos_min - 1) * MAP_BLOCKSIZE;

src/player.h

@@ -87,7 +87,7 @@ class Map;
 class IGameDef;
 struct CollisionInfo;
 class PlayerSAO;
-class HudElement;
+struct HudElement;
 
 class Player
 {

src/scriptapi_env.cpp

@@ -227,7 +227,6 @@ int EnvRef::l_get_node_light(lua_State *L)
 		time_of_day = 24000.0 * lua_tonumber(L, 3);
 	time_of_day %= 24000;
 	u32 dnr = time_to_daynight_ratio(time_of_day, true);
-	MapNode n = env->getMap().getNodeNoEx(pos);
 	try{
 		MapNode n = env->getMap().getNode(pos);
 		INodeDefManager *ndef = env->getGameDef()->ndef();
@@ -373,7 +372,7 @@ int EnvRef::l_add_item(lua_State *L)
 	ServerEnvironment *env = o->m_env;
 	if(env == NULL) return 0;
 	// pos
-	v3f pos = checkFloatPos(L, 2);
+	//v3f pos = checkFloatPos(L, 2);
 	// item
 	ItemStack item = read_item(L, 3);
 	if(item.empty() || !item.isKnown(get_server(L)->idef()))

src/scriptapi_types.cpp

@@ -147,7 +147,7 @@ v3s16 check_v3s16(lua_State *L, int index)
 
 video::SColor readARGB8(lua_State *L, int index)
 {
-	video::SColor color;
+	video::SColor color(0);
 	luaL_checktype(L, index, LUA_TTABLE);
 	lua_getfield(L, index, "a");
 	if(lua_isnumber(L, -1))

src/test.cpp

@@ -464,7 +464,7 @@ struct TestCompress: public TestBase
 			std::string str_decompressed = os_decompressed.str();
 			UTEST(str_decompressed.size() == data_in.size(), "Output size not"
 					" equal (output: %u, input: %u)",
-					str_decompressed.size(), data_in.size());
+					(unsigned int)str_decompressed.size(), (unsigned int)data_in.size());
 			for(u32 i=0; i<size && i<str_decompressed.size(); i++){
 				UTEST(str_decompressed[i] == data_in[i],
 						"index out[%i]=%i differs from in[%i]=%i",

src/voxel.cpp

@@ -264,7 +264,7 @@ void VoxelManipulator::clearFlag(u8 flags)
 	// 0-1ms on moderate area
 	TimeTaker timer("clearFlag", &clearflag_time);
 
-	v3s16 s = m_area.getExtent();
+	//v3s16 s = m_area.getExtent();
 
 	/*dstream<<"clearFlag clearing area of size "
 			<<""<<s.X<<"x"<<s.Y<<"x"<<s.Z<<""