28 files changed, 198 insertions, 141 deletions
diff --git a/core/bind/core_bind.cpp b/core/bind/core_bind.cpp
index 32b94b9b02..8f1a57e363 100644
--- a/core/bind/core_bind.cpp
+++ b/core/bind/core_bind.cpp
@@ -264,6 +264,10 @@ Size2 _OS::get_window_size() const {
 	return OS::get_singleton()->get_window_size();
 }
 
+Size2 _OS::get_real_window_size() const {
+	return OS::get_singleton()->get_real_window_size();
+}
+
 void _OS::set_window_size(const Size2 &p_size) {
 	OS::get_singleton()->set_window_size(p_size);
 }
@@ -929,6 +933,11 @@ void _OS::request_attention() {
 	OS::get_singleton()->request_attention();
 }
 
+void _OS::center_window() {
+
+	OS::get_singleton()->center_window();
+}
+
 bool _OS::is_debug_build() const {
 
 #ifdef DEBUG_ENABLED
@@ -1017,6 +1026,8 @@ void _OS::_bind_methods() {
 	ClassDB::bind_method(D_METHOD("set_window_maximized", "enabled"), &_OS::set_window_maximized);
 	ClassDB::bind_method(D_METHOD("is_window_maximized"), &_OS::is_window_maximized);
 	ClassDB::bind_method(D_METHOD("request_attention"), &_OS::request_attention);
+	ClassDB::bind_method(D_METHOD("get_real_window_size"), &_OS::get_real_window_size);
+	ClassDB::bind_method(D_METHOD("center_window"), &_OS::center_window);
 
 	ClassDB::bind_method(D_METHOD("set_borderless_window", "borderless"), &_OS::set_borderless_window);
 	ClassDB::bind_method(D_METHOD("get_borderless_window"), &_OS::get_borderless_window);
diff --git a/core/bind/core_bind.h b/core/bind/core_bind.h
index 2353b6d09f..6b688a65f8 100644
--- a/core/bind/core_bind.h
+++ b/core/bind/core_bind.h
@@ -155,6 +155,7 @@ public:
 	virtual Point2 get_window_position() const;
 	virtual void set_window_position(const Point2 &p_position);
 	virtual Size2 get_window_size() const;
+	virtual Size2 get_real_window_size() const;
 	virtual void set_window_size(const Size2 &p_size);
 	virtual void set_window_fullscreen(bool p_enabled);
 	virtual bool is_window_fullscreen() const;
@@ -165,6 +166,7 @@ public:
 	virtual void set_window_maximized(bool p_enabled);
 	virtual bool is_window_maximized() const;
 	virtual void request_attention();
+	virtual void center_window();
 
 	virtual void set_borderless_window(bool p_borderless);
 	virtual bool get_borderless_window() const;
diff --git a/core/class_db.cpp b/core/class_db.cpp
index d2cd362792..afcc8de0f2 100644
--- a/core/class_db.cpp
+++ b/core/class_db.cpp
@@ -207,6 +207,47 @@ MethodDefinition D_METHOD(const char *p_name, const char *p_arg1, const char *p_
 	return md;
 }
 
+MethodDefinition D_METHOD(const char *p_name, const char *p_arg1, const char *p_arg2, const char *p_arg3, const char *p_arg4, const char *p_arg5, const char *p_arg6, const char *p_arg7, const char *p_arg8, const char *p_arg9, const char *p_arg10, const char *p_arg11, const char *p_arg12) {
+
+	MethodDefinition md;
+	md.name = StaticCString::create(p_name);
+	md.args.resize(12);
+	md.args[0] = StaticCString::create(p_arg1);
+	md.args[1] = StaticCString::create(p_arg2);
+	md.args[2] = StaticCString::create(p_arg3);
+	md.args[3] = StaticCString::create(p_arg4);
+	md.args[4] = StaticCString::create(p_arg5);
+	md.args[5] = StaticCString::create(p_arg6);
+	md.args[6] = StaticCString::create(p_arg7);
+	md.args[7] = StaticCString::create(p_arg8);
+	md.args[8] = StaticCString::create(p_arg9);
+	md.args[9] = StaticCString::create(p_arg10);
+	md.args[10] = StaticCString::create(p_arg11);
+	md.args[11] = StaticCString::create(p_arg12);
+	return md;
+}
+
+MethodDefinition D_METHOD(const char *p_name, const char *p_arg1, const char *p_arg2, const char *p_arg3, const char *p_arg4, const char *p_arg5, const char *p_arg6, const char *p_arg7, const char *p_arg8, const char *p_arg9, const char *p_arg10, const char *p_arg11, const char *p_arg12, const char *p_arg13) {
+
+	MethodDefinition md;
+	md.name = StaticCString::create(p_name);
+	md.args.resize(13);
+	md.args[0] = StaticCString::create(p_arg1);
+	md.args[1] = StaticCString::create(p_arg2);
+	md.args[2] = StaticCString::create(p_arg3);
+	md.args[3] = StaticCString::create(p_arg4);
+	md.args[4] = StaticCString::create(p_arg5);
+	md.args[5] = StaticCString::create(p_arg6);
+	md.args[6] = StaticCString::create(p_arg7);
+	md.args[7] = StaticCString::create(p_arg8);
+	md.args[8] = StaticCString::create(p_arg9);
+	md.args[9] = StaticCString::create(p_arg10);
+	md.args[10] = StaticCString::create(p_arg11);
+	md.args[11] = StaticCString::create(p_arg12);
+	md.args[12] = StaticCString::create(p_arg13);
+	return md;
+}
+
 #endif
 
 ClassDB::APIType ClassDB::current_api = API_CORE;
diff --git a/core/class_db.h b/core/class_db.h
index 14e36e459b..d74317239b 100644
--- a/core/class_db.h
+++ b/core/class_db.h
@@ -68,6 +68,8 @@ MethodDefinition D_METHOD(const char *p_name, const char *p_arg1, const char *p_
 MethodDefinition D_METHOD(const char *p_name, const char *p_arg1, const char *p_arg2, const char *p_arg3, const char *p_arg4, const char *p_arg5, const char *p_arg6, const char *p_arg7, const char *p_arg8, const char *p_arg9);
 MethodDefinition D_METHOD(const char *p_name, const char *p_arg1, const char *p_arg2, const char *p_arg3, const char *p_arg4, const char *p_arg5, const char *p_arg6, const char *p_arg7, const char *p_arg8, const char *p_arg9, const char *p_arg10);
 MethodDefinition D_METHOD(const char *p_name, const char *p_arg1, const char *p_arg2, const char *p_arg3, const char *p_arg4, const char *p_arg5, const char *p_arg6, const char *p_arg7, const char *p_arg8, const char *p_arg9, const char *p_arg10, const char *p_arg11);
+MethodDefinition D_METHOD(const char *p_name, const char *p_arg1, const char *p_arg2, const char *p_arg3, const char *p_arg4, const char *p_arg5, const char *p_arg6, const char *p_arg7, const char *p_arg8, const char *p_arg9, const char *p_arg10, const char *p_arg11, const char *p_arg12);
+MethodDefinition D_METHOD(const char *p_name, const char *p_arg1, const char *p_arg2, const char *p_arg3, const char *p_arg4, const char *p_arg5, const char *p_arg6, const char *p_arg7, const char *p_arg8, const char *p_arg9, const char *p_arg10, const char *p_arg11, const char *p_arg12, const char *p_arg13);
 
 #else
 
diff --git a/core/dictionary.cpp b/core/dictionary.cpp
index ae1af86b77..e3f4aa5f28 100644
--- a/core/dictionary.cpp
+++ b/core/dictionary.cpp
@@ -34,15 +34,10 @@
 #include "safe_refcount.h"
 #include "variant.h"
 
-struct _DictionaryVariantHash {
-
-	static _FORCE_INLINE_ uint32_t hash(const Variant &p_variant) { return p_variant.hash(); }
-};
-
 struct DictionaryPrivate {
 
 	SafeRefCount refcount;
-	OrderedHashMap<Variant, Variant, _DictionaryVariantHash> variant_map;
+	OrderedHashMap<Variant, Variant, VariantHasher, VariantComparator> variant_map;
 };
 
 void Dictionary::get_key_list(List<Variant> *p_keys) const {
@@ -50,7 +45,7 @@ void Dictionary::get_key_list(List<Variant> *p_keys) const {
 	if (_p->variant_map.empty())
 		return;
 
-	for (OrderedHashMap<Variant, Variant, _DictionaryVariantHash>::Element E = _p->variant_map.front(); E; E = E.next()) {
+	for (OrderedHashMap<Variant, Variant, VariantHasher, VariantComparator>::Element E = _p->variant_map.front(); E; E = E.next()) {
 		p_keys->push_back(E.key());
 	}
 }
@@ -66,7 +61,7 @@ const Variant &Dictionary::operator[](const Variant &p_key) const {
 }
 const Variant *Dictionary::getptr(const Variant &p_key) const {
 
-	OrderedHashMap<Variant, Variant, _DictionaryVariantHash>::ConstElement E = ((const OrderedHashMap<Variant, Variant, _DictionaryVariantHash> *)&_p->variant_map)->find(p_key);
+	OrderedHashMap<Variant, Variant, VariantHasher, VariantComparator>::ConstElement E = ((const OrderedHashMap<Variant, Variant, VariantHasher, VariantComparator> *)&_p->variant_map)->find(p_key);
 
 	if (!E)
 		return NULL;
@@ -75,7 +70,7 @@ const Variant *Dictionary::getptr(const Variant &p_key) const {
 
 Variant *Dictionary::getptr(const Variant &p_key) {
 
-	OrderedHashMap<Variant, Variant, _DictionaryVariantHash>::Element E = _p->variant_map.find(p_key);
+	OrderedHashMap<Variant, Variant, VariantHasher, VariantComparator>::Element E = _p->variant_map.find(p_key);
 
 	if (!E)
 		return NULL;
@@ -84,7 +79,7 @@ Variant *Dictionary::getptr(const Variant &p_key) {
 
 Variant Dictionary::get_valid(const Variant &p_key) const {
 
-	OrderedHashMap<Variant, Variant, _DictionaryVariantHash>::ConstElement E = ((const OrderedHashMap<Variant, Variant, _DictionaryVariantHash> *)&_p->variant_map)->find(p_key);
+	OrderedHashMap<Variant, Variant, VariantHasher, VariantComparator>::ConstElement E = ((const OrderedHashMap<Variant, Variant, VariantHasher, VariantComparator> *)&_p->variant_map)->find(p_key);
 
 	if (!E)
 		return Variant();
@@ -177,7 +172,7 @@ Array Dictionary::keys() const {
 		return varr;
 
 	int i = 0;
-	for (OrderedHashMap<Variant, Variant, _DictionaryVariantHash>::Element E = _p->variant_map.front(); E; E = E.next()) {
+	for (OrderedHashMap<Variant, Variant, VariantHasher, VariantComparator>::Element E = _p->variant_map.front(); E; E = E.next()) {
 		varr[i] = E.key();
 		i++;
 	}
@@ -193,7 +188,7 @@ Array Dictionary::values() const {
 		return varr;
 
 	int i = 0;
-	for (OrderedHashMap<Variant, Variant, _DictionaryVariantHash>::Element E = _p->variant_map.front(); E; E = E.next()) {
+	for (OrderedHashMap<Variant, Variant, VariantHasher, VariantComparator>::Element E = _p->variant_map.front(); E; E = E.next()) {
 		varr[i] = E.get();
 		i++;
 	}
@@ -209,7 +204,7 @@ const Variant *Dictionary::next(const Variant *p_key) const {
 			return &_p->variant_map.front().key();
 		return NULL;
 	}
-	OrderedHashMap<Variant, Variant, _DictionaryVariantHash>::Element E = _p->variant_map.find(*p_key);
+	OrderedHashMap<Variant, Variant, VariantHasher, VariantComparator>::Element E = _p->variant_map.find(*p_key);
 
 	if (E && E.next())
 		return &E.next().key();
diff --git a/core/io/file_access_network.cpp b/core/io/file_access_network.cpp
index 7b2bccdfec..ef886cdb3c 100644
--- a/core/io/file_access_network.cpp
+++ b/core/io/file_access_network.cpp
@@ -83,7 +83,7 @@ int64_t FileAccessNetworkClient::get_64() {
 
 void FileAccessNetworkClient::_thread_func() {
 
-	client->set_nodelay(true);
+	client->set_no_delay(true);
 	while (!quit) {
 
 		DEBUG_PRINT("SEM WAIT - " + itos(sem->get()));
diff --git a/core/io/stream_peer.cpp b/core/io/stream_peer.cpp
index f6c4948fc3..927b9f6366 100644
--- a/core/io/stream_peer.cpp
+++ b/core/io/stream_peer.cpp
@@ -310,7 +310,7 @@ float StreamPeer::get_float() {
 	return decode_float(buf);
 }
 
-float StreamPeer::get_double() {
+double StreamPeer::get_double() {
 
 	uint8_t buf[8];
 	get_data(buf, 8);
diff --git a/core/io/stream_peer.h b/core/io/stream_peer.h
index ff9ae788ec..605b0a7980 100644
--- a/core/io/stream_peer.h
+++ b/core/io/stream_peer.h
@@ -83,7 +83,7 @@ public:
 	uint64_t get_u64();
 	int64_t get_64();
 	float get_float();
-	float get_double();
+	double get_double();
 	String get_string(int p_bytes);
 	String get_utf8_string(int p_bytes);
 	Variant get_var();
diff --git a/core/io/stream_peer_ssl.cpp b/core/io/stream_peer_ssl.cpp
index 633b353102..07a01ff99f 100644
--- a/core/io/stream_peer_ssl.cpp
+++ b/core/io/stream_peer_ssl.cpp
@@ -52,6 +52,7 @@ bool StreamPeerSSL::is_available() {
 
 void StreamPeerSSL::_bind_methods() {
 
+	ClassDB::bind_method(D_METHOD("poll"), &StreamPeerSSL::poll);
 	ClassDB::bind_method(D_METHOD("accept_stream", "stream"), &StreamPeerSSL::accept_stream);
 	ClassDB::bind_method(D_METHOD("connect_to_stream", "stream", "validate_certs", "for_hostname"), &StreamPeerSSL::connect_to_stream, DEFVAL(false), DEFVAL(String()));
 	ClassDB::bind_method(D_METHOD("get_status"), &StreamPeerSSL::get_status);
diff --git a/core/io/stream_peer_ssl.h b/core/io/stream_peer_ssl.h
index e4d14ebdfd..f903438c28 100644
--- a/core/io/stream_peer_ssl.h
+++ b/core/io/stream_peer_ssl.h
@@ -57,6 +57,7 @@ public:
 		STATUS_ERROR_HOSTNAME_MISMATCH
 	};
 
+	virtual void poll() = 0;
 	virtual Error accept_stream(Ref<StreamPeer> p_base) = 0;
 	virtual Error connect_to_stream(Ref<StreamPeer> p_base, bool p_validate_certs = false, const String &p_for_hostname = String()) = 0;
 	virtual Status get_status() const = 0;
diff --git a/core/io/stream_peer_tcp.cpp b/core/io/stream_peer_tcp.cpp
index 9cfa810034..5d008904ff 100644
--- a/core/io/stream_peer_tcp.cpp
+++ b/core/io/stream_peer_tcp.cpp
@@ -55,6 +55,7 @@ void StreamPeerTCP::_bind_methods() {
 	ClassDB::bind_method(D_METHOD("get_connected_host"), &StreamPeerTCP::get_connected_host);
 	ClassDB::bind_method(D_METHOD("get_connected_port"), &StreamPeerTCP::get_connected_port);
 	ClassDB::bind_method(D_METHOD("disconnect_from_host"), &StreamPeerTCP::disconnect_from_host);
+	ClassDB::bind_method(D_METHOD("set_no_delay", "enabled"), &StreamPeerTCP::set_no_delay);
 
 	BIND_ENUM_CONSTANT(STATUS_NONE);
 	BIND_ENUM_CONSTANT(STATUS_CONNECTING);
diff --git a/core/io/stream_peer_tcp.h b/core/io/stream_peer_tcp.h
index fc84525c5f..8a16d820f2 100644
--- a/core/io/stream_peer_tcp.h
+++ b/core/io/stream_peer_tcp.h
@@ -65,7 +65,7 @@ public:
 	virtual void disconnect_from_host() = 0;
 	virtual IP_Address get_connected_host() const = 0;
 	virtual uint16_t get_connected_port() const = 0;
-	virtual void set_nodelay(bool p_enabled) = 0;
+	virtual void set_no_delay(bool p_enabled) = 0;
 
 	static Ref<StreamPeerTCP> create_ref();
 	static StreamPeerTCP *create();
diff --git a/core/make_binders.py b/core/make_binders.py
index 6f42c6e8eb..1e581f8ce3 100644
--- a/core/make_binders.py
+++ b/core/make_binders.py
@@ -244,7 +244,7 @@ def make_version(template, nargs, argmax, const, ret):
 
 def run(target, source, env):
 
-    versions = 11
+    versions = 13
     versions_ext = 6
     text = ""
     text_ext = ""
diff --git a/core/math/triangulate.cpp b/core/math/triangulate.cpp
index 957e16f92c..5bae74ac7e 100644
--- a/core/math/triangulate.cpp
+++ b/core/math/triangulate.cpp
@@ -74,7 +74,7 @@ bool Triangulate::is_inside_triangle(real_t Ax, real_t Ay,
 	cCROSSap = cx * apy - cy * apx;
 	bCROSScp = bx * cpy - by * cpx;
 
-	return ((aCROSSbp >= 0.0) && (bCROSScp >= 0.0) && (cCROSSap >= 0.0));
+	return ((aCROSSbp > 0.0) && (bCROSScp > 0.0) && (cCROSSap > 0.0));
 };
 
 bool Triangulate::snip(const Vector<Vector2> &p_contour, int u, int v, int w, int n, const Vector<int> &V) {
diff --git a/core/os/file_access.cpp b/core/os/file_access.cpp
index 368b4ad09d..033b4b12b9 100644
--- a/core/os/file_access.cpp
+++ b/core/os/file_access.cpp
@@ -479,6 +479,9 @@ void FileAccess::store_double(double p_dest) {
 
 uint64_t FileAccess::get_modified_time(const String &p_file) {
 
+	if (PackedData::get_singleton() && !PackedData::get_singleton()->is_disabled() && PackedData::get_singleton()->has_path(p_file))
+		return 0;
+
 	FileAccess *fa = create_for_path(p_file);
 	ERR_FAIL_COND_V(!fa, 0);
 
diff --git a/core/os/input_event.h b/core/os/input_event.h
index 72057659d2..ad754d0d1f 100644
--- a/core/os/input_event.h
+++ b/core/os/input_event.h
@@ -110,8 +110,8 @@ enum JoystickList {
 	JOY_WII_C = JOY_BUTTON_5,
 	JOY_WII_Z = JOY_BUTTON_6,
 
-	JOY_WII_MINUS = JOY_BUTTON_9,
-	JOY_WII_PLUS = JOY_BUTTON_10,
+	JOY_WII_MINUS = JOY_BUTTON_10,
+	JOY_WII_PLUS = JOY_BUTTON_11,
 
 	// end of history
 
diff --git a/core/os/os.cpp b/core/os/os.cpp
index c6e5de703c..422acf95dc 100644
--- a/core/os/os.cpp
+++ b/core/os/os.cpp
@@ -616,6 +616,17 @@ bool OS::has_feature(const String &p_feature) {
 	return false;
 }
 
+void OS::center_window() {
+
+	if (is_window_fullscreen()) return;
+
+	Size2 scr = get_screen_size(get_current_screen());
+	Size2 wnd = get_real_window_size();
+	int x = scr.width / 2 - wnd.width / 2;
+	int y = scr.height / 2 - wnd.height / 2;
+	set_window_position(Vector2(x, y));
+}
+
 OS::OS() {
 	void *volatile stack_bottom;
 
diff --git a/core/os/os.h b/core/os/os.h
index 248e1dbefa..1ec488df06 100644
--- a/core/os/os.h
+++ b/core/os/os.h
@@ -182,6 +182,7 @@ public:
 	virtual Point2 get_window_position() const { return Vector2(); }
 	virtual void set_window_position(const Point2 &p_position) {}
 	virtual Size2 get_window_size() const = 0;
+	virtual Size2 get_real_window_size() const { return get_window_size(); }
 	virtual void set_window_size(const Size2 p_size) {}
 	virtual void set_window_fullscreen(bool p_enabled) {}
 	virtual bool is_window_fullscreen() const { return true; }
@@ -192,6 +193,7 @@ public:
 	virtual void set_window_maximized(bool p_enabled) {}
 	virtual bool is_window_maximized() const { return true; }
 	virtual void request_attention() {}
+	virtual void center_window();
 
 	virtual void set_borderless_window(bool p_borderless) {}
 	virtual bool get_borderless_window() { return 0; }
diff --git a/core/resource.cpp b/core/resource.cpp
index 38f938932c..2eeed50d9d 100644
--- a/core/resource.cpp
+++ b/core/resource.cpp
@@ -74,7 +74,7 @@ void Resource::set_path(const String &p_path, bool p_take_over) {
 			bool exists = ResourceCache::resources.has(p_path);
 			ResourceCache::lock->read_unlock();
 
-			ERR_EXPLAIN("Another resource is loaded from path: " + p_path);
+			ERR_EXPLAIN("Another resource is loaded from path: " + p_path + " (possible cyclic resource inclusion)");
 			ERR_FAIL_COND(exists);
 		}
 	}
diff --git a/core/safe_refcount.cpp b/core/safe_refcount.cpp
index ff2f17103c..3b203f6977 100644
--- a/core/safe_refcount.cpp
+++ b/core/safe_refcount.cpp
@@ -119,8 +119,8 @@ _ALWAYS_INLINE_ uint64_t _atomic_exchange_if_greater_impl(register uint64_t *pw,
 
 // The actual advertised functions; they'll call the right implementation
 
-uint32_t atomic_conditional_increment(register uint32_t *counter) {
-	return _atomic_conditional_increment_impl(counter);
+uint32_t atomic_conditional_increment(register uint32_t *pw) {
+	return _atomic_conditional_increment_impl(pw);
 }
 
 uint32_t atomic_decrement(register uint32_t *pw) {
@@ -143,8 +143,8 @@ uint32_t atomic_exchange_if_greater(register uint32_t *pw, register uint32_t val
 	return _atomic_exchange_if_greater_impl(pw, val);
 }
 
-uint64_t atomic_conditional_increment(register uint64_t *counter) {
-	return _atomic_conditional_increment_impl(counter);
+uint64_t atomic_conditional_increment(register uint64_t *pw) {
+	return _atomic_conditional_increment_impl(pw);
 }
 
 uint64_t atomic_decrement(register uint64_t *pw) {
diff --git a/core/script_debugger_local.cpp b/core/script_debugger_local.cpp
index 0da377453e..c0e115e300 100644
--- a/core/script_debugger_local.cpp
+++ b/core/script_debugger_local.cpp
@@ -291,7 +291,8 @@ void ScriptDebuggerLocal::profiling_end() {
 
 void ScriptDebuggerLocal::send_message(const String &p_message, const Array &p_args) {
 
-	print_line("MESSAGE: '" + p_message + "' - " + String(Variant(p_args)));
+	// This needs to be cleaned up entirely.
+	// print_line("MESSAGE: '" + p_message + "' - " + String(Variant(p_args)));
 }
 
 void ScriptDebuggerLocal::send_error(const String &p_func, const String &p_file, int p_line, const String &p_err, const String &p_descr, ErrorHandlerType p_type, const Vector<ScriptLanguage::StackInfo> &p_stack_info) {
diff --git a/core/script_debugger_remote.cpp b/core/script_debugger_remote.cpp
index a297bb738f..41071ace5d 100644
--- a/core/script_debugger_remote.cpp
+++ b/core/script_debugger_remote.cpp
@@ -598,7 +598,13 @@ void ScriptDebuggerRemote::_send_object_id(ObjectID p_id) {
 	Array send_props;
 	for (int i = 0; i < properties.size(); i++) {
 		const PropertyInfo &pi = properties[i].first;
-		const Variant &var = properties[i].second;
+		Variant &var = properties[i].second;
+
+		WeakRef *ref = Object::cast_to<WeakRef>(var);
+		if (ref) {
+			var = ref->get_ref();
+		}
+
 		RES res = var;
 
 		Array prop;
diff --git a/core/string_buffer.cpp b/core/string_buffer.cpp
deleted file mode 100644
index aac2090378..0000000000
--- a/core/string_buffer.cpp
+++ /dev/null
@@ -1,103 +0,0 @@
-/*************************************************************************/
-/*  string_buffer.cpp                                                    */
-/*************************************************************************/
-/*                       This file is part of:                           */
-/*                           GODOT ENGINE                                */
-/*                      https://godotengine.org                          */
-/*************************************************************************/
-/* Copyright (c) 2007-2018 Juan Linietsky, Ariel Manzur.                 */
-/* Copyright (c) 2014-2018 Godot Engine contributors (cf. AUTHORS.md)    */
-/*                                                                       */
-/* Permission is hereby granted, free of charge, to any person obtaining */
-/* a copy of this software and associated documentation files (the       */
-/* "Software"), to deal in the Software without restriction, including   */
-/* without limitation the rights to use, copy, modify, merge, publish,   */
-/* distribute, sublicense, and/or sell copies of the Software, and to    */
-/* permit persons to whom the Software is furnished to do so, subject to */
-/* the following conditions:                                             */
-/*                                                                       */
-/* The above copyright notice and this permission notice shall be        */
-/* included in all copies or substantial portions of the Software.       */
-/*                                                                       */
-/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
-/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
-/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
-/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
-/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
-/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
-/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
-/*************************************************************************/
-
-#include "string_buffer.h"
-
-#include <string.h>
-
-StringBuffer &StringBuffer::append(CharType p_char) {
-	reserve(string_length + 2);
-	current_buffer_ptr()[string_length++] = p_char;
-	return *this;
-}
-
-StringBuffer &StringBuffer::append(const String &p_string) {
-	return append(p_string.c_str());
-}
-
-StringBuffer &StringBuffer::append(const char *p_str) {
-	int len = strlen(p_str);
-	reserve(string_length + len + 1);
-
-	CharType *buf = current_buffer_ptr();
-	for (const char *c_ptr = p_str; *c_ptr; ++c_ptr) {
-		buf[string_length++] = *c_ptr;
-	}
-	return *this;
-}
-
-StringBuffer &StringBuffer::append(const CharType *p_str, int p_clip_to_len) {
-	int len = 0;
-	while ((p_clip_to_len < 0 || len < p_clip_to_len) && p_str[len]) {
-		++len;
-	}
-	reserve(string_length + len + 1);
-	memcpy(&(current_buffer_ptr()[string_length]), p_str, len * sizeof(CharType));
-	string_length += len;
-
-	return *this;
-}
-
-StringBuffer &StringBuffer::reserve(int p_size) {
-	if (p_size < SHORT_BUFFER_SIZE || p_size < buffer.size())
-		return *this;
-
-	bool need_copy = string_length > 0 && buffer.empty();
-	buffer.resize(next_power_of_2(p_size));
-	if (need_copy) {
-		memcpy(buffer.ptrw(), short_buffer, string_length * sizeof(CharType));
-	}
-
-	return *this;
-}
-
-int StringBuffer::length() const {
-	return string_length;
-}
-
-String StringBuffer::as_string() {
-	current_buffer_ptr()[string_length] = '\0';
-	if (buffer.empty()) {
-		return String(short_buffer);
-	} else {
-		buffer.resize(string_length + 1);
-		return buffer;
-	}
-}
-
-double StringBuffer::as_double() {
-	current_buffer_ptr()[string_length] = '\0';
-	return String::to_double(current_buffer_ptr());
-}
-
-int64_t StringBuffer::as_int() {
-	current_buffer_ptr()[string_length] = '\0';
-	return String::to_int(current_buffer_ptr());
-}
diff --git a/core/string_buffer.h b/core/string_buffer.h
index f0ead66bb8..b148e45544 100644
--- a/core/string_buffer.h
+++ b/core/string_buffer.h
@@ -32,9 +32,10 @@
 #define STRING_BUFFER_H
 
 #include "ustring.h"
+#include <string.h>
 
+template <int SHORT_BUFFER_SIZE = 64>
 class StringBuffer {
-	static const int SHORT_BUFFER_SIZE = 64;
 
 	CharType short_buffer[SHORT_BUFFER_SIZE];
 	String buffer;
@@ -80,4 +81,83 @@ public:
 	}
 };
 
+template <int SHORT_BUFFER_SIZE>
+StringBuffer<SHORT_BUFFER_SIZE> &StringBuffer<SHORT_BUFFER_SIZE>::append(CharType p_char) {
+	reserve(string_length + 2);
+	current_buffer_ptr()[string_length++] = p_char;
+	return *this;
+}
+
+template <int SHORT_BUFFER_SIZE>
+StringBuffer<SHORT_BUFFER_SIZE> &StringBuffer<SHORT_BUFFER_SIZE>::append(const String &p_string) {
+	return append(p_string.c_str());
+}
+
+template <int SHORT_BUFFER_SIZE>
+StringBuffer<SHORT_BUFFER_SIZE> &StringBuffer<SHORT_BUFFER_SIZE>::append(const char *p_str) {
+	int len = strlen(p_str);
+	reserve(string_length + len + 1);
+
+	CharType *buf = current_buffer_ptr();
+	for (const char *c_ptr = p_str; *c_ptr; ++c_ptr) {
+		buf[string_length++] = *c_ptr;
+	}
+	return *this;
+}
+
+template <int SHORT_BUFFER_SIZE>
+StringBuffer<SHORT_BUFFER_SIZE> &StringBuffer<SHORT_BUFFER_SIZE>::append(const CharType *p_str, int p_clip_to_len) {
+	int len = 0;
+	while ((p_clip_to_len < 0 || len < p_clip_to_len) && p_str[len]) {
+		++len;
+	}
+	reserve(string_length + len + 1);
+	memcpy(&(current_buffer_ptr()[string_length]), p_str, len * sizeof(CharType));
+	string_length += len;
+
+	return *this;
+}
+
+template <int SHORT_BUFFER_SIZE>
+StringBuffer<SHORT_BUFFER_SIZE> &StringBuffer<SHORT_BUFFER_SIZE>::reserve(int p_size) {
+	if (p_size < SHORT_BUFFER_SIZE || p_size < buffer.size())
+		return *this;
+
+	bool need_copy = string_length > 0 && buffer.empty();
+	buffer.resize(next_power_of_2(p_size));
+	if (need_copy) {
+		memcpy(buffer.ptrw(), short_buffer, string_length * sizeof(CharType));
+	}
+
+	return *this;
+}
+
+template <int SHORT_BUFFER_SIZE>
+int StringBuffer<SHORT_BUFFER_SIZE>::length() const {
+	return string_length;
+}
+
+template <int SHORT_BUFFER_SIZE>
+String StringBuffer<SHORT_BUFFER_SIZE>::as_string() {
+	current_buffer_ptr()[string_length] = '\0';
+	if (buffer.empty()) {
+		return String(short_buffer);
+	} else {
+		buffer.resize(string_length + 1);
+		return buffer;
+	}
+}
+
+template <int SHORT_BUFFER_SIZE>
+double StringBuffer<SHORT_BUFFER_SIZE>::as_double() {
+	current_buffer_ptr()[string_length] = '\0';
+	return String::to_double(current_buffer_ptr());
+}
+
+template <int SHORT_BUFFER_SIZE>
+int64_t StringBuffer<SHORT_BUFFER_SIZE>::as_int() {
+	current_buffer_ptr()[string_length] = '\0';
+	return String::to_int(current_buffer_ptr());
+}
+
 #endif
diff --git a/core/string_builder.cpp b/core/string_builder.cpp
index 4d567cbc03..8ab7e0ea8f 100644
--- a/core/string_builder.cpp
+++ b/core/string_builder.cpp
@@ -56,6 +56,9 @@ StringBuilder &StringBuilder::append(const char *p_cstring) {
 
 String StringBuilder::as_string() const {
 
+	if (string_length == 0)
+		return "";
+
 	CharType *buffer = memnew_arr(CharType, string_length);
 
 	int current_position = 0;
diff --git a/core/ustring.cpp b/core/ustring.cpp
index 7aa2b012de..d445e4ed47 100644
--- a/core/ustring.cpp
+++ b/core/ustring.cpp
@@ -3167,7 +3167,7 @@ String String::http_unescape() const {
 			if ((ord1 >= '0' && ord1 <= '9') || (ord1 >= 'A' && ord1 <= 'Z')) {
 				CharType ord2 = ord_at(i + 2);
 				if ((ord2 >= '0' && ord2 <= '9') || (ord2 >= 'A' && ord2 <= 'Z')) {
-					char bytes[2] = { ord1, ord2 };
+					char bytes[2] = { (char)ord1, (char)ord2 };
 					res += (char)strtol(bytes, NULL, 16);
 					i += 2;
 				}
diff --git a/core/variant_call.cpp b/core/variant_call.cpp
index e9f7af3f63..5607751a27 100644
--- a/core/variant_call.cpp
+++ b/core/variant_call.cpp
@@ -1539,7 +1539,7 @@ void register_variant_methods() {
 	ADDFUNC0R(VECTOR3, BOOL, Vector3, is_normalized, varray());
 	ADDFUNC0R(VECTOR3, VECTOR3, Vector3, normalized, varray());
 	ADDFUNC0R(VECTOR3, VECTOR3, Vector3, inverse, varray());
-	ADDFUNC1R(VECTOR3, VECTOR3, Vector3, snapped, REAL, "by", varray());
+	ADDFUNC1R(VECTOR3, VECTOR3, Vector3, snapped, VECTOR3, "by", varray());
 	ADDFUNC2R(VECTOR3, VECTOR3, Vector3, rotated, VECTOR3, "axis", REAL, "phi", varray());
 	ADDFUNC2R(VECTOR3, VECTOR3, Vector3, linear_interpolate, VECTOR3, "b", REAL, "t", varray());
 	ADDFUNC4R(VECTOR3, VECTOR3, Vector3, cubic_interpolate, VECTOR3, "b", VECTOR3, "pre_a", VECTOR3, "post_b", REAL, "t", varray());
@@ -1748,10 +1748,10 @@ void register_variant_methods() {
 	ADDFUNC1R(TRANSFORM2D, TRANSFORM2D, Transform2D, rotated, REAL, "phi", varray());
 	ADDFUNC1R(TRANSFORM2D, TRANSFORM2D, Transform2D, scaled, VECTOR2, "scale", varray());
 	ADDFUNC1R(TRANSFORM2D, TRANSFORM2D, Transform2D, translated, VECTOR2, "offset", varray());
-	ADDFUNC1R(TRANSFORM2D, TRANSFORM2D, Transform2D, xform, NIL, "v", varray());
-	ADDFUNC1R(TRANSFORM2D, TRANSFORM2D, Transform2D, xform_inv, NIL, "v", varray());
-	ADDFUNC1R(TRANSFORM2D, TRANSFORM2D, Transform2D, basis_xform, NIL, "v", varray());
-	ADDFUNC1R(TRANSFORM2D, TRANSFORM2D, Transform2D, basis_xform_inv, NIL, "v", varray());
+	ADDFUNC1R(TRANSFORM2D, NIL, Transform2D, xform, NIL, "v", varray());
+	ADDFUNC1R(TRANSFORM2D, NIL, Transform2D, xform_inv, NIL, "v", varray());
+	ADDFUNC1R(TRANSFORM2D, VECTOR2, Transform2D, basis_xform, VECTOR2, "v", varray());
+	ADDFUNC1R(TRANSFORM2D, VECTOR2, Transform2D, basis_xform_inv, VECTOR2, "v", varray());
 	ADDFUNC2R(TRANSFORM2D, TRANSFORM2D, Transform2D, interpolate_with, TRANSFORM2D, "transform", REAL, "weight", varray());
 
 	ADDFUNC0R(BASIS, BASIS, Basis, inverse, varray());
diff --git a/core/variant_parser.cpp b/core/variant_parser.cpp
index 54edb02347..446aee286d 100644
--- a/core/variant_parser.cpp
+++ b/core/variant_parser.cpp
@@ -178,7 +178,7 @@ Error VariantParser::get_token(Stream *p_stream, Token &r_token, int &line, Stri
 			};
 			case '#': {
 
-				StringBuffer color_str;
+				StringBuffer<> color_str;
 				color_str += '#';
 				while (true) {
 					CharType ch = p_stream->get_char();
@@ -299,7 +299,7 @@ Error VariantParser::get_token(Stream *p_stream, Token &r_token, int &line, Stri
 				if (cchar == '-' || (cchar >= '0' && cchar <= '9')) {
 					//a number
 
-					StringBuffer num;
+					StringBuffer<> num;
 #define READING_SIGN 0
 #define READING_INT 1
 #define READING_DEC 2
@@ -378,7 +378,7 @@ Error VariantParser::get_token(Stream *p_stream, Token &r_token, int &line, Stri
 
 				} else if ((cchar >= 'A' && cchar <= 'Z') || (cchar >= 'a' && cchar <= 'z') || cchar == '_') {
 
-					StringBuffer id;
+					StringBuffer<> id;
 					bool first = true;
 
 					while ((cchar >= 'A' && cchar <= 'Z') || (cchar >= 'a' && cchar <= 'z') || cchar == '_' || (!first && cchar >= '0' && cchar <= '9')) {