18 files changed, 279 insertions, 77 deletions

diff --git a/scene/audio/audio_player.cpp b/scene/audio/audio_player.cpp
index 058b162e83..08b01c6a4c 100644
--- a/scene/audio/audio_player.cpp
+++ b/scene/audio/audio_player.cpp
@@ -31,20 +31,7 @@
 
 #include "engine.h"
 
-void AudioStreamPlayer::_mix_audio() {
-
-	if (!stream_playback.is_valid()) {
-		return;
-	}
-
-	if (!active) {
-		return;
-	}
-
-	if (setseek >= 0.0) {
-		stream_playback->start(setseek);
-		setseek = -1.0; //reset seek
-	}
+void AudioStreamPlayer::_mix_internal(bool p_fadeout) {
 
 	int bus_index = AudioServer::get_singleton()->thread_find_bus_index(bus);
 
@@ -52,19 +39,24 @@ void AudioStreamPlayer::_mix_audio() {
 	AudioFrame *buffer = mix_buffer.ptr();
 	int buffer_size = mix_buffer.size();
 
+	if (p_fadeout) {
+		buffer_size = MIN(buffer_size, 16); //short fadeout ramp
+	}
+
 	//mix
 	stream_playback->mix(buffer, 1.0, buffer_size);
 
 	//multiply volume interpolating to avoid clicks if this changes
+	float target_volume = p_fadeout ? -80.0 : volume_db;
 	float vol = Math::db2linear(mix_volume_db);
-	float vol_inc = (Math::db2linear(volume_db) - vol) / float(buffer_size);
+	float vol_inc = (Math::db2linear(target_volume) - vol) / float(buffer_size);
 
 	for (int i = 0; i < buffer_size; i++) {
 		buffer[i] *= vol;
 		vol += vol_inc;
 	}
 	//set volume for next mix
-	mix_volume_db = volume_db;
+	mix_volume_db = target_volume;
 
 	AudioFrame *targets[4] = { NULL, NULL, NULL, NULL };
 
@@ -95,6 +87,30 @@ void AudioStreamPlayer::_mix_audio() {
 	}
 }
 
+void AudioStreamPlayer::_mix_audio() {
+
+	if (!stream_playback.is_valid()) {
+		return;
+	}
+
+	if (!active) {
+		return;
+	}
+
+	if (setseek >= 0.0) {
+		if (stream_playback->is_playing()) {
+
+			//fade out to avoid pops
+			_mix_internal(true);
+		}
+		stream_playback->start(setseek);
+		setseek = -1.0; //reset seek
+		mix_volume_db = volume_db; //reset ramp
+	}
+
+	_mix_internal(false);
+}
+
 void AudioStreamPlayer::_notification(int p_what) {
 
 	if (p_what == NOTIFICATION_ENTER_TREE) {
@@ -163,7 +179,7 @@ float AudioStreamPlayer::get_volume_db() const {
 void AudioStreamPlayer::play(float p_from_pos) {
 
 	if (stream_playback.is_valid()) {
-		mix_volume_db = volume_db; //reset volume ramp
+		//mix_volume_db = volume_db; do not reset volume ramp here, can cause clicks
 		setseek = p_from_pos;
 		active = true;
 		set_process_internal(true);
diff --git a/scene/audio/audio_player.h b/scene/audio/audio_player.h
index 4bfc44730d..6e9d623433 100644
--- a/scene/audio/audio_player.h
+++ b/scene/audio/audio_player.h
@@ -59,6 +59,7 @@ private:
 
 	MixTarget mix_target;
 
+	void _mix_internal(bool p_fadeout);
 	void _mix_audio();
 	static void _mix_audios(void *self) { reinterpret_cast<AudioStreamPlayer *>(self)->_mix_audio(); }
 
diff --git a/scene/gui/item_list.cpp b/scene/gui/item_list.cpp
index 623a110263..e9e9dcc859 100644
--- a/scene/gui/item_list.cpp
+++ b/scene/gui/item_list.cpp
@@ -754,7 +754,7 @@ void ItemList::_notification(int p_what) {
 
 		int width = size.width - bg->get_minimum_size().width;
 		if (scroll_bar->is_visible()) {
-			width -= mw + bg->get_margin(MARGIN_RIGHT);
+			width -= mw;
 		}
 
 		draw_style_box(bg, Rect2(Point2(), size));
@@ -1107,7 +1107,7 @@ void ItemList::_notification(int p_what) {
 		}
 
 		for (int i = 0; i < separators.size(); i++) {
-			draw_line(Vector2(bg->get_margin(MARGIN_LEFT), base_ofs.y + separators[i]), Vector2(size.width - bg->get_margin(MARGIN_RIGHT), base_ofs.y + separators[i]), guide_color);
+			draw_line(Vector2(bg->get_margin(MARGIN_LEFT), base_ofs.y + separators[i]), Vector2(width, base_ofs.y + separators[i]), guide_color);
 		}
 	}
 }
diff --git a/scene/gui/scroll_container.cpp b/scene/gui/scroll_container.cpp
index 1ad1e3f638..9022d67a4a 100644
--- a/scene/gui/scroll_container.cpp
+++ b/scene/gui/scroll_container.cpp
@@ -347,12 +347,11 @@ void ScrollContainer::update_scrollbars() {
 	} else {
 
 		v_scroll->show();
+		v_scroll->set_max(min.height);
+		v_scroll->set_page(size.height - hmin.height);
 		scroll.y = v_scroll->get_value();
 	}
 
-	v_scroll->set_max(min.height);
-	v_scroll->set_page(size.height - hmin.height);
-
 	if (!scroll_h || min.width <= size.width - vmin.width) {
 
 		h_scroll->hide();
diff --git a/scene/gui/text_edit.cpp b/scene/gui/text_edit.cpp
index 5d4048f928..5d429f9f91 100644
--- a/scene/gui/text_edit.cpp
+++ b/scene/gui/text_edit.cpp
@@ -3668,6 +3668,11 @@ void TextEdit::set_readonly(bool p_readonly) {
 	readonly = p_readonly;
 }
 
+bool TextEdit::is_readonly() const {
+
+	return readonly;
+}
+
 void TextEdit::set_wrap(bool p_wrap) {
 
 	wrap = p_wrap;
@@ -4919,6 +4924,8 @@ void TextEdit::_bind_methods() {
 	ClassDB::bind_method(D_METHOD("cursor_is_block_mode"), &TextEdit::cursor_is_block_mode);
 
 	ClassDB::bind_method(D_METHOD("set_readonly", "enable"), &TextEdit::set_readonly);
+	ClassDB::bind_method(D_METHOD("is_readonly"), &TextEdit::is_readonly);
+
 	ClassDB::bind_method(D_METHOD("set_wrap", "enable"), &TextEdit::set_wrap);
 	ClassDB::bind_method(D_METHOD("set_max_chars", "amount"), &TextEdit::set_max_chars);
 	ClassDB::bind_method(D_METHOD("set_context_menu_enabled", "enable"), &TextEdit::set_context_menu_enabled);
@@ -4969,6 +4976,8 @@ void TextEdit::_bind_methods() {
 	ClassDB::bind_method(D_METHOD("menu_option", "option"), &TextEdit::menu_option);
 	ClassDB::bind_method(D_METHOD("get_menu"), &TextEdit::get_menu);
 
+	ADD_PROPERTY(PropertyInfo(Variant::STRING, "text", PROPERTY_HINT_MULTILINE_TEXT), "set_text", "get_text");
+	ADD_PROPERTY(PropertyInfo(Variant::BOOL, "readonly"), "set_readonly", "is_readonly");
 	ADD_PROPERTY(PropertyInfo(Variant::BOOL, "highlight_current_line"), "set_highlight_current_line", "is_highlight_current_line_enabled");
 	ADD_PROPERTY(PropertyInfo(Variant::BOOL, "syntax_highlighting"), "set_syntax_coloring", "is_syntax_coloring_enabled");
 	ADD_PROPERTY(PropertyInfo(Variant::BOOL, "show_line_numbers"), "set_show_line_numbers", "is_show_line_numbers_enabled");
diff --git a/scene/gui/text_edit.h b/scene/gui/text_edit.h
index c81b41c2e3..50f005ed6a 100644
--- a/scene/gui/text_edit.h
+++ b/scene/gui/text_edit.h
@@ -448,6 +448,7 @@ public:
 	bool cursor_is_block_mode() const;
 
 	void set_readonly(bool p_readonly);
+	bool is_readonly() const;
 
 	void set_max_chars(int p_max_chars);
 	void set_wrap(bool p_wrap);
diff --git a/scene/gui/video_player.cpp b/scene/gui/video_player.cpp
index 190ccd50d5..1b6bd30b58 100644
--- a/scene/gui/video_player.cpp
+++ b/scene/gui/video_player.cpp
@@ -42,44 +42,127 @@ void VideoPlayer::sp_set_mix_rate(int p_rate) {
 	server_mix_rate = p_rate;
 }
 
-bool VideoPlayer::sp_mix(int32_t *p_buffer, int p_frames) {
-
-	if (resampler.is_ready()) {
+bool VideoPlayer::mix(AudioFrame *p_buffer, int p_frames) {
+
+	// Check the amount resampler can really handle.
+	// If it cannot, wait "wait_resampler_phase_limit" times.
+	// This mechanism contributes to smoother pause/unpause operation.
+	if (p_frames <= resampler.get_num_of_ready_frames() ||
+			wait_resampler_limit <= wait_resampler) {
+		wait_resampler = 0;
 		return resampler.mix(p_buffer, p_frames);
 	}
-
+	wait_resampler++;
 	return false;
 }
 
-int VideoPlayer::_audio_mix_callback(void *p_udata, const int16_t *p_data, int p_frames) {
+// Called from main thread (eg VideoStreamPlaybackWebm::update)
+int VideoPlayer::_audio_mix_callback(void *p_udata, const float *p_data, int p_frames) {
 
 	VideoPlayer *vp = (VideoPlayer *)p_udata;
 
-	int todo = MIN(vp->resampler.get_todo(), p_frames);
+	int todo = MIN(vp->resampler.get_writer_space(), p_frames);
 
-	int16_t *wb = vp->resampler.get_write_buffer();
+	float *wb = vp->resampler.get_write_buffer();
 	int c = vp->resampler.get_channel_count();
 
 	for (int i = 0; i < todo * c; i++) {
 		wb[i] = p_data[i];
 	}
 	vp->resampler.write(todo);
+
 	return todo;
 }
 
+// Called from audio thread
+void VideoPlayer::_mix_audio() {
+
+	if (!stream.is_valid()) {
+		return;
+	}
+	if (!playback.is_valid() || !playback->is_playing() || playback->is_paused()) {
+		return;
+	}
+
+	AudioFrame *buffer = mix_buffer.ptr();
+	int buffer_size = mix_buffer.size();
+
+	// Resample
+	if (!mix(buffer, buffer_size))
+		return;
+
+	AudioFrame vol = AudioFrame(volume, volume);
+
+	// Copy to server's audio buffer
+	switch (AudioServer::get_singleton()->get_speaker_mode()) {
+
+		case AudioServer::SPEAKER_MODE_STEREO: {
+			AudioFrame *target = AudioServer::get_singleton()->thread_get_channel_mix_buffer(bus_index, 0);
+
+			for (int j = 0; j < buffer_size; j++) {
+
+				target[j] += buffer[j] * vol;
+			}
+
+		} break;
+		case AudioServer::SPEAKER_SURROUND_51: {
+
+			AudioFrame *targets[2] = {
+				AudioServer::get_singleton()->thread_get_channel_mix_buffer(bus_index, 1),
+				AudioServer::get_singleton()->thread_get_channel_mix_buffer(bus_index, 2),
+			};
+
+			for (int j = 0; j < buffer_size; j++) {
+
+				AudioFrame frame = buffer[j] * vol;
+				targets[0][j] = frame;
+				targets[1][j] = frame;
+			}
+		} break;
+		case AudioServer::SPEAKER_SURROUND_71: {
+
+			AudioFrame *targets[3] = {
+				AudioServer::get_singleton()->thread_get_channel_mix_buffer(bus_index, 1),
+				AudioServer::get_singleton()->thread_get_channel_mix_buffer(bus_index, 2),
+				AudioServer::get_singleton()->thread_get_channel_mix_buffer(bus_index, 3)
+			};
+
+			for (int j = 0; j < buffer_size; j++) {
+
+				AudioFrame frame = buffer[j] * vol;
+				targets[0][j] += frame;
+				targets[1][j] += frame;
+				targets[2][j] += frame;
+			}
+
+		} break;
+	}
+}
+
 void VideoPlayer::_notification(int p_notification) {
 
 	switch (p_notification) {
 
 		case NOTIFICATION_ENTER_TREE: {
 
+			AudioServer::get_singleton()->add_callback(_mix_audios, this);
+
 			if (stream.is_valid() && autoplay && !Engine::get_singleton()->is_editor_hint()) {
 				play();
 			}
+
+		} break;
+
+		case NOTIFICATION_EXIT_TREE: {
+
+			AudioServer::get_singleton()->remove_callback(_mix_audios, this);
+
 		} break;
 
 		case NOTIFICATION_INTERNAL_PROCESS: {
 
+			bus_index = AudioServer::get_singleton()->thread_find_bus_index(bus);
+
 			if (stream.is_null())
 				return;
 			if (paused)
@@ -87,10 +170,11 @@ void VideoPlayer::_notification(int p_notification) {
 			if (!playback->is_playing())
 				return;
 
-			double audio_time = USEC_TO_SEC(OS::get_singleton()->get_ticks_usec()); //AudioServer::get_singleton()->get_mix_time();
+			double audio_time = USEC_TO_SEC(OS::get_singleton()->get_ticks_usec());
 
 			double delta = last_audio_time == 0 ? 0 : audio_time - last_audio_time;
 			last_audio_time = audio_time;
+
 			if (delta == 0)
 				return;
 
@@ -135,6 +219,9 @@ bool VideoPlayer::has_expand() const {
 void VideoPlayer::set_stream(const Ref<VideoStream> &p_stream) {
 
 	stop();
+	AudioServer::get_singleton()->lock();
+	mix_buffer.resize(AudioServer::get_singleton()->thread_get_mix_buffer_size());
+	AudioServer::get_singleton()->unlock();
 
 	stream = p_stream;
 	if (stream.is_valid()) {
@@ -309,6 +396,40 @@ bool VideoPlayer::has_autoplay() const {
 	return autoplay;
 };
 
+void VideoPlayer::set_bus(const StringName &p_bus) {
+
+	//if audio is active, must lock this
+	AudioServer::get_singleton()->lock();
+	bus = p_bus;
+	AudioServer::get_singleton()->unlock();
+}
+
+StringName VideoPlayer::get_bus() const {
+
+	for (int i = 0; i < AudioServer::get_singleton()->get_bus_count(); i++) {
+		if (AudioServer::get_singleton()->get_bus_name(i) == bus) {
+			return bus;
+		}
+	}
+	return "Master";
+}
+
+void VideoPlayer::_validate_property(PropertyInfo &property) const {
+
+	if (property.name == "bus") {
+
+		String options;
+		for (int i = 0; i < AudioServer::get_singleton()->get_bus_count(); i++) {
+			if (i > 0)
+				options += ",";
+			String name = AudioServer::get_singleton()->get_bus_name(i);
+			options += name;
+		}
+
+		property.hint_string = options;
+	}
+}
+
 void VideoPlayer::_bind_methods() {
 
 	ClassDB::bind_method(D_METHOD("set_stream", "stream"), &VideoPlayer::set_stream);
@@ -345,6 +466,9 @@ void VideoPlayer::_bind_methods() {
 	ClassDB::bind_method(D_METHOD("set_buffering_msec", "msec"), &VideoPlayer::set_buffering_msec);
 	ClassDB::bind_method(D_METHOD("get_buffering_msec"), &VideoPlayer::get_buffering_msec);
 
+	ClassDB::bind_method(D_METHOD("set_bus", "bus"), &VideoPlayer::set_bus);
+	ClassDB::bind_method(D_METHOD("get_bus"), &VideoPlayer::get_bus);
+
 	ClassDB::bind_method(D_METHOD("get_video_texture"), &VideoPlayer::get_video_texture);
 
 	ADD_PROPERTY(PropertyInfo(Variant::INT, "audio_track", PROPERTY_HINT_RANGE, "0,128,1"), "set_audio_track", "get_audio_track");
@@ -354,6 +478,7 @@ void VideoPlayer::_bind_methods() {
 	ADD_PROPERTY(PropertyInfo(Variant::BOOL, "autoplay"), "set_autoplay", "has_autoplay");
 	ADD_PROPERTY(PropertyInfo(Variant::BOOL, "paused"), "set_paused", "is_paused");
 	ADD_PROPERTY(PropertyInfo(Variant::BOOL, "expand"), "set_expand", "has_expand");
+	ADD_PROPERTY(PropertyInfo(Variant::STRING, "bus", PROPERTY_HINT_ENUM, ""), "set_bus", "get_bus");
 }
 
 VideoPlayer::VideoPlayer() {
@@ -372,6 +497,9 @@ VideoPlayer::VideoPlayer() {
 	//	internal_stream.player=this;
 	//	stream_rid=AudioServer::get_singleton()->audio_stream_create(&internal_stream);
 	last_audio_time = 0;
+
+	wait_resampler = 0;
+	wait_resampler_limit = 2;
 };
 
 VideoPlayer::~VideoPlayer() {
diff --git a/scene/gui/video_player.h b/scene/gui/video_player.h
index f04e90365f..74e2f14e58 100644
--- a/scene/gui/video_player.h
+++ b/scene/gui/video_player.h
@@ -33,17 +33,24 @@
 #include "scene/gui/control.h"
 #include "scene/resources/video_stream.h"
 #include "servers/audio/audio_rb_resampler.h"
+#include "servers/audio_server.h"
 
 class VideoPlayer : public Control {
 
 	GDCLASS(VideoPlayer, Control);
 
+	struct Output {
+
+		AudioFrame vol;
+		int bus_index;
+		Viewport *viewport; //pointer only used for reference to previous mix
+	};
 	Ref<VideoStreamPlayback> playback;
 	Ref<VideoStream> stream;
 
 	int sp_get_channel_count() const;
 	void sp_set_mix_rate(int p_rate); //notify the stream of the mix rate
-	bool sp_mix(int32_t *p_buffer, int p_frames);
+	bool mix(AudioFrame *p_buffer, int p_frames);
 
 	RID stream_rid;
 
@@ -51,6 +58,8 @@ class VideoPlayer : public Control {
 	Ref<Image> last_frame;
 
 	AudioRBResampler resampler;
+	Vector<AudioFrame> mix_buffer;
+	int wait_resampler, wait_resampler_limit;
 
 	bool paused;
 	bool autoplay;
@@ -61,12 +70,18 @@ class VideoPlayer : public Control {
 	int buffering_ms;
 	int server_mix_rate;
 	int audio_track;
+	int bus_index;
+
+	StringName bus;
 
-	static int _audio_mix_callback(void *p_udata, const int16_t *p_data, int p_frames);
+	void _mix_audio();
+	static int _audio_mix_callback(void *p_udata, const float *p_data, int p_frames);
+	static void _mix_audios(void *self) { reinterpret_cast<VideoPlayer *>(self)->_mix_audio(); }
 
 protected:
 	static void _bind_methods();
 	void _notification(int p_notification);
+	void _validate_property(PropertyInfo &property) const;
 
 public:
 	Size2 get_minimum_size() const;
@@ -104,6 +119,9 @@ public:
 	void set_buffering_msec(int p_msec);
 	int get_buffering_msec() const;
 
+	void set_bus(const StringName &p_bus);
+	StringName get_bus() const;
+
 	VideoPlayer();
 	~VideoPlayer();
 };
diff --git a/scene/main/node.cpp b/scene/main/node.cpp
index e6e11de177..d38c688241 100755
--- a/scene/main/node.cpp
+++ b/scene/main/node.cpp
@@ -2067,7 +2067,7 @@ int Node::get_position_in_parent() const {
 	return data.pos;
 }
 
-Node *Node::_duplicate(int p_flags) const {
+Node *Node::duplicate(int p_flags) const {
 
 	Node *node = NULL;
 
@@ -2170,17 +2170,6 @@ Node *Node::_duplicate(int p_flags) const {
 	return node;
 }
 
-Node *Node::duplicate(int p_flags) const {
-
-	Node *dupe = _duplicate(p_flags);
-
-	if (dupe && (p_flags & DUPLICATE_SIGNALS)) {
-		_duplicate_signals(this, dupe);
-	}
-
-	return dupe;
-}
-
 void Node::_duplicate_and_reown(Node *p_new_parent, const Map<Node *, Node *> &p_reown_map) const {
 
 	if (get_owner() != get_parent()->get_owner())
@@ -2422,7 +2411,9 @@ void Node::_replace_connections_target(Node *p_new_target) {
 
 		if (c.flags & CONNECT_PERSIST) {
 			c.source->disconnect(c.signal, this, c.method);
-			ERR_CONTINUE(!p_new_target->has_method(c.method));
+			bool valid = p_new_target->has_method(c.method) || p_new_target->get_script().is_null() || Ref<Script>(p_new_target->get_script())->has_method(c.method);
+			ERR_EXPLAIN("Attempt to connect signal \'" + c.source->get_class() + "." + c.signal + "\' to nonexistent method \'" + c.target->get_class() + "." + c.method + "\'");
+			ERR_CONTINUE(!valid);
 			c.source->connect(c.signal, p_new_target, c.method, c.binds, c.flags);
 		}
 	}
diff --git a/scene/main/node.h b/scene/main/node.h
index c43e96063f..e8901f7b6e 100644
--- a/scene/main/node.h
+++ b/scene/main/node.h
@@ -169,7 +169,6 @@ private:
 
 	void _duplicate_signals(const Node *p_original, Node *p_copy) const;
 	void _duplicate_and_reown(Node *p_new_parent, const Map<Node *, Node *> &p_reown_map) const;
-	Node *_duplicate(int p_flags) const;
 
 	Array _get_children() const;
 	Array _get_groups() const;
diff --git a/scene/resources/audio_stream_sample.cpp b/scene/resources/audio_stream_sample.cpp
index fdc3b79db6..f81f460521 100644
--- a/scene/resources/audio_stream_sample.cpp
+++ b/scene/resources/audio_stream_sample.cpp
@@ -31,17 +31,23 @@
 
 void AudioStreamPlaybackSample::start(float p_from_pos) {
 
-	for (int i = 0; i < 2; i++) {
-		ima_adpcm[i].step_index = 0;
-		ima_adpcm[i].predictor = 0;
-		ima_adpcm[i].loop_step_index = 0;
-		ima_adpcm[i].loop_predictor = 0;
-		ima_adpcm[i].last_nibble = -1;
-		ima_adpcm[i].loop_pos = 0x7FFFFFFF;
-		ima_adpcm[i].window_ofs = 0;
+	if (base->format == AudioStreamSample::FORMAT_IMA_ADPCM) {
+		//no seeking in IMA_ADPCM
+		for (int i = 0; i < 2; i++) {
+			ima_adpcm[i].step_index = 0;
+			ima_adpcm[i].predictor = 0;
+			ima_adpcm[i].loop_step_index = 0;
+			ima_adpcm[i].loop_predictor = 0;
+			ima_adpcm[i].last_nibble = -1;
+			ima_adpcm[i].loop_pos = 0x7FFFFFFF;
+			ima_adpcm[i].window_ofs = 0;
+		}
+
+		offset = 0;
+	} else {
+		seek(p_from_pos);
 	}
 
-	seek(p_from_pos);
 	sign = 1;
 	active = true;
 }
@@ -373,6 +379,14 @@ void AudioStreamPlaybackSample::mix(AudioFrame *p_buffer, float p_rate_scale, in
 
 		dst_buff += target;
 	}
+
+	if (todo) {
+		//bit was missing from mix
+		int todo_ofs = p_frames - todo;
+		for (int i = todo_ofs; i < p_frames; i++) {
+			p_buffer[i] = AudioFrame(0, 0);
+		}
+	}
 }
 
 float AudioStreamPlaybackSample::get_length() const {
diff --git a/scene/resources/dynamic_font_stb.cpp b/scene/resources/dynamic_font_stb.cpp
index 91263fb125..4aa47cb664 100644
--- a/scene/resources/dynamic_font_stb.cpp
+++ b/scene/resources/dynamic_font_stb.cpp
@@ -333,8 +333,7 @@ void DynamicFontAtSize::_update_char(CharType p_char) {
 
 	//blit to image and texture
 	{
-
-		Image img(tex.texture_size, tex.texture_size, 0, Image::FORMAT_LA8, tex.imgdata);
+		Ref<Image> img = memnew(Image(tex.texture_size, tex.texture_size, 0, Image::FORMAT_LA8, tex.imgdata));
 
 		if (tex.texture.is_null()) {
 			tex.texture.instance();
@@ -518,7 +517,7 @@ bool ResourceFormatLoaderDynamicFont::handles_type(const String &p_type) const {
 
 String ResourceFormatLoaderDynamicFont::get_resource_type(const String &p_path) const {
 
-	String el = p_path.extension().to_lower();
+	String el = p_path.get_extension().to_lower();
 	if (el == "ttf")
 		return "DynamicFontData";
 	return "";
diff --git a/scene/resources/environment.cpp b/scene/resources/environment.cpp
index 232f690074..fe59450f2e 100644
--- a/scene/resources/environment.cpp
+++ b/scene/resources/environment.cpp
@@ -1184,7 +1184,8 @@ Environment::Environment() {
 	bg_energy = 1.0;
 	bg_canvas_max_layer = 0;
 	ambient_energy = 1.0;
-	ambient_sky_contribution = 1.0;
+	//ambient_sky_contribution = 1.0;
+	set_ambient_light_sky_contribution(1.0);
 
 	tone_mapper = TONE_MAPPER_LINEAR;
 	tonemap_exposure = 1.0;
diff --git a/scene/resources/mesh.cpp b/scene/resources/mesh.cpp
index db5d87d703..26f5deae1d 100644
--- a/scene/resources/mesh.cpp
+++ b/scene/resources/mesh.cpp
@@ -574,7 +574,6 @@ bool ArrayMesh::_set(const StringName &p_name, const Variant &p_value) {
 			ERR_FAIL_COND_V(!d.has("format"), false);
 			uint32_t format = d["format"];
 
-			ERR_FAIL_COND_V(!d.has("primitive"), false);
 			uint32_t primitive = d["primitive"];
 
 			ERR_FAIL_COND_V(!d.has("vertex_count"), false);
@@ -598,8 +597,8 @@ bool ArrayMesh::_set(const StringName &p_name, const Variant &p_value) {
 			Rect3 aabb = d["aabb"];
 
 			Vector<Rect3> bone_aabb;
-			if (d.has("bone_aabb")) {
-				Array baabb = d["bone_aabb"];
+			if (d.has("skeleton_aabb")) {
+				Array baabb = d["skeleton_aabb"];
 				bone_aabb.resize(baabb.size());
 
 				for (int i = 0; i < baabb.size(); i++) {
@@ -1090,6 +1089,14 @@ void ArrayMesh::_bind_methods() {
 	BIND_ENUM_CONSTANT(ARRAY_FORMAT_INDEX);
 }
 
+void ArrayMesh::reload_from_file() {
+	for (int i = 0; i < get_surface_count(); i++) {
+		surface_remove(i);
+	}
+	Resource::reload_from_file();
+	String path = get_path();
+}
+
 ArrayMesh::ArrayMesh() {
 
 	mesh = VisualServer::get_singleton()->mesh_create();
diff --git a/scene/resources/mesh.h b/scene/resources/mesh.h
index f4edb258b6..b11adf50b9 100644
--- a/scene/resources/mesh.h
+++ b/scene/resources/mesh.h
@@ -213,6 +213,8 @@ public:
 	void center_geometry();
 	void regen_normalmaps();
 
+	virtual void reload_from_file();
+
 	ArrayMesh();
 
 	~ArrayMesh();
diff --git a/scene/resources/primitive_meshes.cpp b/scene/resources/primitive_meshes.cpp
index ba356d89b1..8e3899315c 100644
--- a/scene/resources/primitive_meshes.cpp
+++ b/scene/resources/primitive_meshes.cpp
@@ -1299,14 +1299,16 @@ void QuadMesh::_create_mesh_array(Array &p_arr) const {
 	tangents.resize(4 * 4);
 	uvs.resize(4);
 
-	for (int i = 0; i < 4; i++) {
+	Vector2 _size = Vector2(size.x / 2.0f, size.y / 2.0f);
 
-		static const Vector3 quad_faces[4] = {
-			Vector3(-1, -1, 0),
-			Vector3(-1, 1, 0),
-			Vector3(1, 1, 0),
-			Vector3(1, -1, 0),
-		};
+	Vector3 quad_faces[4] = {
+		Vector3(-_size.x, -_size.y, 0),
+		Vector3(-_size.x, _size.y, 0),
+		Vector3(_size.x, _size.y, 0),
+		Vector3(_size.x, -_size.y, 0),
+	};
+
+	for (int i = 0; i < 4; i++) {
 
 		faces.set(i, quad_faces[i]);
 		normals.set(i, Vector3(0, 0, 1));
@@ -1325,18 +1327,30 @@ void QuadMesh::_create_mesh_array(Array &p_arr) const {
 		uvs.set(i, quad_uv[i]);
 	}
 
-	p_arr[ARRAY_VERTEX] = faces;
-	p_arr[ARRAY_NORMAL] = normals;
-	p_arr[ARRAY_TANGENT] = tangents;
-	p_arr[ARRAY_TEX_UV] = uvs;
+	p_arr[VS::ARRAY_VERTEX] = faces;
+	p_arr[VS::ARRAY_NORMAL] = normals;
+	p_arr[VS::ARRAY_TANGENT] = tangents;
+	p_arr[VS::ARRAY_TEX_UV] = uvs;
 };
 
 void QuadMesh::_bind_methods() {
-	// nothing here yet...
+	ClassDB::bind_method(D_METHOD("set_size", "size"), &QuadMesh::set_size);
+	ClassDB::bind_method(D_METHOD("get_size"), &QuadMesh::get_size);
+	ADD_PROPERTY(PropertyInfo(Variant::VECTOR2, "size"), "set_size", "get_size");
 }
 
 QuadMesh::QuadMesh() {
 	primitive_type = PRIMITIVE_TRIANGLE_FAN;
+	size = Size2(1.0, 1.0);
+}
+
+void QuadMesh::set_size(const Size2 &p_size) {
+	size = p_size;
+	_request_update();
+}
+
+Size2 QuadMesh::get_size() const {
+	return size;
 }
 
 /**
diff --git a/scene/resources/primitive_meshes.h b/scene/resources/primitive_meshes.h
index 38a5695883..f0c8935261 100644
--- a/scene/resources/primitive_meshes.h
+++ b/scene/resources/primitive_meshes.h
@@ -263,7 +263,7 @@ class QuadMesh : public PrimitiveMesh {
 	GDCLASS(QuadMesh, PrimitiveMesh)
 
 private:
-	// nothing? really? Maybe add size some day atleast... :)
+	Size2 size;
 
 protected:
 	static void _bind_methods();
@@ -271,6 +271,9 @@ protected:
 
 public:
 	QuadMesh();
+
+	void set_size(const Size2 &p_size);
+	Size2 get_size() const;
 };
 
 /**
diff --git a/scene/resources/video_stream.h b/scene/resources/video_stream.h
index 3f79858056..fbe52909e7 100644
--- a/scene/resources/video_stream.h
+++ b/scene/resources/video_stream.h
@@ -40,7 +40,7 @@ protected:
 	static void _bind_methods();
 
 public:
-	typedef int (*AudioMixCallback)(void *p_udata, const int16_t *p_data, int p_frames);
+	typedef int (*AudioMixCallback)(void *p_udata, const float *p_data, int p_frames);
 
 	virtual void stop() = 0;
 	virtual void play() = 0;
@@ -48,7 +48,7 @@ public:
 	virtual bool is_playing() const = 0;
 
 	virtual void set_paused(bool p_paused) = 0;
-	virtual bool is_paused(bool p_paused) const = 0;
+	virtual bool is_paused() const = 0;
 
 	virtual void set_loop(bool p_enable) = 0;
 	virtual bool has_loop() const = 0;