Fix most warnings, re-fix MSVC compile error

src/base64.h

@@ -7,4 +7,4 @@ bool base64_is_valid(std::string const& s);
 std::string base64_encode(unsigned char const* , unsigned int len);
 std::string base64_decode(std::string const& s);
 
-#endif // BASE64_HEADER
+#endif // BASE64_HEADER

src/content_cso.cpp

@@ -25,6 +25,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #include "log.h"
 #include "map.h"
 
+/*
 static void setBillboardTextureMatrix(scene::IBillboardSceneNode *bill,
 		float txs, float tys, int col, int row)
 {
@@ -33,6 +34,7 @@ static void setBillboardTextureMatrix(scene::IBillboardSceneNode *bill,
 	matrix.setTextureTranslate(txs*col, tys*row);
 	matrix.setTextureScale(txs, tys);
 }
+*/
 
 class SmokePuffCSO: public ClientSimpleObject
 {

src/emerge.cpp

@@ -58,7 +58,7 @@ EmergeManager::EmergeManager(IGameDef *gamedef, BiomeDefManager *bdef) {
 	if (g_settings->get("num_emerge_threads").empty()) {
 		int nprocs = porting::getNumberOfProcessors();
 		// leave a proc for the main thread and one for some other misc threads
-		nthreads =  (nprocs > 2) ? nthreads = nprocs - 2 : 1;
+		nthreads = (nprocs > 2) ? nprocs - 2 : 1;
 	} else {
 		nthreads = g_settings->getU16("num_emerge_threads");
 	}
@@ -81,7 +81,7 @@ EmergeManager::EmergeManager(IGameDef *gamedef, BiomeDefManager *bdef) {
 
 
 EmergeManager::~EmergeManager() {
-	for (int i = 0; i != emergethread.size(); i++) {
+	for (unsigned int i = 0; i != emergethread.size(); i++) {
 		emergethread[i]->setRun(false);
 		emergethread[i]->qevent.signal();
 		emergethread[i]->stop();
@@ -101,7 +101,7 @@ void EmergeManager::initMapgens(MapgenParams *mgparams) {
 		return;
 	
 	this->params = mgparams;
-	for (int i = 0; i != emergethread.size(); i++) {
+	for (unsigned int i = 0; i != emergethread.size(); i++) {
 		mg = createMapgen(params->mg_name, 0, params);
 		if (!mg) {
 			infostream << "EmergeManager: falling back to mapgen v6" << std::endl;
@@ -152,7 +152,7 @@ bool EmergeManager::enqueueBlockEmerge(u16 peer_id, v3s16 p, bool allow_generate
 		
 		// insert into the EmergeThread queue with the least items
 		int lowestitems = emergethread[0]->blockqueue.size();
-		for (int i = 1; i != emergethread.size(); i++) {
+		for (unsigned int i = 1; i != emergethread.size(); i++) {
 			int nitems = emergethread[i]->blockqueue.size();
 			if (nitems < lowestitems) {
 				idx = i;
@@ -259,7 +259,7 @@ void EmergeManager::setParamsToSettings(Settings *settings) {
 }
 
 
-bool EmergeManager::registerMapgen(std::string mgname, MapgenFactory *mgfactory) {
+void EmergeManager::registerMapgen(std::string mgname, MapgenFactory *mgfactory) {
 	mglist.insert(std::make_pair(mgname, mgfactory));
 	infostream << "EmergeManager: registered mapgen " << mgname << std::endl;
 }

src/emerge.h

@@ -75,7 +75,7 @@ public:
 	MapgenParams *createMapgenParams(std::string mgname);
 	bool enqueueBlockEmerge(u16 peer_id, v3s16 p, bool allow_generate);
 	
-	bool registerMapgen(std::string name, MapgenFactory *mgfactory);
+	void registerMapgen(std::string name, MapgenFactory *mgfactory);
 	MapgenParams *getParamsFromSettings(Settings *settings);
 	void setParamsToSettings(Settings *settings);
 	

src/game.cpp

@@ -2816,12 +2816,12 @@ void the_game(
 			char temptext[300];
 			snprintf(temptext, 300,
 					"(% .1f, % .1f, % .1f)"
-					" (yaw = %.1f) (seed = %lli)",
+					" (yaw = %.1f) (seed = %llu)",
 					player_position.X/BS,
 					player_position.Y/BS,
 					player_position.Z/BS,
 					wrapDegrees_0_360(camera_yaw),
-					client.getMapSeed());
+					(unsigned long long)client.getMapSeed());
 
 			guitext2->setText(narrow_to_wide(temptext).c_str());
 			guitext2->setVisible(true);

src/map.cpp

@@ -3283,7 +3283,7 @@ void ServerMap::save(ModifiedState save_level)
 
 			block_count_all++;
 
-			if(block->getModified() >= save_level)
+			if(block->getModified() >= (u32)save_level)
 			{
 				// Lazy beginSave()
 				if(!save_started){

src/noise.cpp

@@ -507,7 +507,7 @@ void Noise::gradientMap3D(float x, float y, float z,
 
 
 float *Noise::perlinMap2D(float x, float y) {
-	float a = 0.0, f = 1.0, g = 1.0;
+	float f = 1.0, g = 1.0;
 	int i, j, index, oct;
 
 	x /= np->spread.X;
@@ -537,7 +537,7 @@ float *Noise::perlinMap2D(float x, float y) {
 
 
 float *Noise::perlinMap3D(float x, float y, float z) {
-	float a = 0.0, f = 1.0, g = 1.0;
+	float f = 1.0, g = 1.0;
 	int i, j, k, index, oct;
 
 	x /= np->spread.X;

src/server.cpp

@@ -1652,7 +1652,7 @@ void Server::AsyncRunStep()
 		{
 			counter = 0.0;
 
-			for (int i = 0; i != m_emerge->emergethread.size(); i++)
+			for (unsigned int i = 0; i != m_emerge->emergethread.size(); i++)
 				m_emerge->emergethread[i]->trigger();
 
 			// Update m_enable_rollback_recording here too

src/test.cpp

@@ -462,7 +462,7 @@ struct TestCompress: public TestBase
 					<<os_decompressed.str().size()<<std::endl;
 			std::string str_decompressed = os_decompressed.str();
 			UTEST(str_decompressed.size() == data_in.size(), "Output size not"
-					" equal (output: %i, input: %i)",
+					" equal (output: %u, input: %u)",
 					str_decompressed.size(), data_in.size());
 			for(u32 i=0; i<size && i<str_decompressed.size(); i++){
 				UTEST(str_decompressed[i] == data_in[i],

src/util/serialize.h

@@ -208,11 +208,12 @@ inline void writeARGB8(u8 *data, video::SColor p)
 
 inline video::SColor readARGB8(const u8 *data)
 {
-	video::SColor p;
+	video::SColor p(
-	p.setAlpha(readU8(&data[0]));
+		readU8(&data[0]),
-	p.setRed(readU8(&data[1]));
+		readU8(&data[1]),
-	p.setGreen(readU8(&data[2]));
+		readU8(&data[2]),
-	p.setBlue(readU8(&data[3]));
+		readU8(&data[3])
+	);
 	return p;
 }