Merge 0.4.16 into stable-0.4

1 files changed, 518 insertions, 228 deletions

diff --git a/src/nodedef.cpp b/src/nodedef.cpp
index ccbb42c66..98b34ea9e 100644
--- a/src/nodedef.cpp
+++ b/src/nodedef.cpp
@@ -23,6 +23,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #ifndef SERVER
 #include "client/tile.h"
 #include "mesh.h"
+#include "client.h"
 #include <IMeshManipulator.h>
 #endif
 #include "log.h"
@@ -60,11 +61,10 @@ void NodeBox::reset()
 
 void NodeBox::serialize(std::ostream &os, u16 protocol_version) const
 {
-	int version = 1;
+	// Protocol >= 21
+	int version = 2;
 	if (protocol_version >= 27)
 		version = 3;
-	else if (protocol_version >= 21)
-		version = 2;
 	writeU8(os, version);
 
 	switch (type) {
@@ -188,39 +188,51 @@ void NodeBox::deSerialize(std::istream &is)
 
 void TileDef::serialize(std::ostream &os, u16 protocol_version) const
 {
-	if (protocol_version >= 26)
+	if (protocol_version >= 30)
+		writeU8(os, 4);
+	else if (protocol_version >= 29)
+		writeU8(os, 3);
+	else if (protocol_version >= 26)
 		writeU8(os, 2);
-	else if (protocol_version >= 17)
-		writeU8(os, 1);
 	else
-		writeU8(os, 0);
-	os<<serializeString(name);
-	writeU8(os, animation.type);
-	writeU16(os, animation.aspect_w);
-	writeU16(os, animation.aspect_h);
-	writeF1000(os, animation.length);
-	if (protocol_version >= 17)
-		writeU8(os, backface_culling);
+		writeU8(os, 1);
+
+	os << serializeString(name);
+	animation.serialize(os, protocol_version);
+	writeU8(os, backface_culling);
 	if (protocol_version >= 26) {
 		writeU8(os, tileable_horizontal);
 		writeU8(os, tileable_vertical);
 	}
+	if (protocol_version >= 30) {
+		writeU8(os, has_color);
+		if (has_color) {
+			writeU8(os, color.getRed());
+			writeU8(os, color.getGreen());
+			writeU8(os, color.getBlue());
+		}
+	}
 }
 
 void TileDef::deSerialize(std::istream &is, const u8 contenfeatures_version, const NodeDrawType drawtype)
 {
 	int version = readU8(is);
 	name = deSerializeString(is);
-	animation.type = (TileAnimationType)readU8(is);
-	animation.aspect_w = readU16(is);
-	animation.aspect_h = readU16(is);
-	animation.length = readF1000(is);
+	animation.deSerialize(is, version >= 3 ? 29 : 26);
 	if (version >= 1)
 		backface_culling = readU8(is);
 	if (version >= 2) {
 		tileable_horizontal = readU8(is);
 		tileable_vertical = readU8(is);
 	}
+	if (version >= 4) {
+		has_color = readU8(is);
+		if (has_color) {
+			color.setRed(readU8(is));
+			color.setGreen(readU8(is));
+			color.setBlue(readU8(is));
+		}
+	}
 
 	if ((contenfeatures_version < 8) &&
 		((drawtype == NDT_MESH) ||
@@ -254,10 +266,15 @@ void TextureSettings::readSettings()
 	bool enable_shaders            = g_settings->getBool("enable_shaders");
 	bool enable_bumpmapping        = g_settings->getBool("enable_bumpmapping");
 	bool enable_parallax_occlusion = g_settings->getBool("enable_parallax_occlusion");
+	bool smooth_lighting           = g_settings->getBool("smooth_lighting");
 	enable_mesh_cache              = g_settings->getBool("enable_mesh_cache");
 	enable_minimap                 = g_settings->getBool("enable_minimap");
 	std::string leaves_style_str   = g_settings->get("leaves_style");
 
+	// Mesh cache is not supported in combination with smooth lighting
+	if (smooth_lighting)
+		enable_mesh_cache = false;
+
 	use_normal_texture = enable_shaders &&
 		(enable_bumpmapping || enable_parallax_occlusion);
 	if (leaves_style_str == "fancy") {
@@ -354,172 +371,224 @@ void ContentFeatures::reset()
 	connects_to.clear();
 	connects_to_ids.clear();
 	connect_sides = 0;
+	color = video::SColor(0xFFFFFFFF);
+	palette_name = "";
+	palette = NULL;
 }
 
 void ContentFeatures::serialize(std::ostream &os, u16 protocol_version) const
 {
-	if(protocol_version < 24){
+	if (protocol_version < 31) {
 		serializeOld(os, protocol_version);
 		return;
 	}
 
-	writeU8(os, protocol_version < 27 ? 7 : 8);
+	// version
+	writeU8(os, 10);
 
-	os<<serializeString(name);
+	// general
+	os << serializeString(name);
 	writeU16(os, groups.size());
-	for(ItemGroupList::const_iterator
-			i = groups.begin(); i != groups.end(); ++i){
-		os<<serializeString(i->first);
+	for (ItemGroupList::const_iterator i = groups.begin(); i != groups.end();
+		++i) {
+		os << serializeString(i->first);
 		writeS16(os, i->second);
 	}
+	writeU8(os, param_type);
+	writeU8(os, param_type_2);
+
+	// visual
 	writeU8(os, drawtype);
+	os << serializeString(mesh);
 	writeF1000(os, visual_scale);
 	writeU8(os, 6);
-	for(u32 i = 0; i < 6; i++)
+	for (u32 i = 0; i < 6; i++)
 		tiledef[i].serialize(os, protocol_version);
+	for (u32 i = 0; i < 6; i++)
+		tiledef_overlay[i].serialize(os, protocol_version);
 	writeU8(os, CF_SPECIAL_COUNT);
-	for(u32 i = 0; i < CF_SPECIAL_COUNT; i++){
+	for (u32 i = 0; i < CF_SPECIAL_COUNT; i++) {
 		tiledef_special[i].serialize(os, protocol_version);
 	}
 	writeU8(os, alpha);
+	writeU8(os, color.getRed());
+	writeU8(os, color.getGreen());
+	writeU8(os, color.getBlue());
+	os << serializeString(palette_name);
+	writeU8(os, waving);
+	writeU8(os, connect_sides);
+	writeU16(os, connects_to_ids.size());
+	for (std::set<content_t>::const_iterator i = connects_to_ids.begin();
+		i != connects_to_ids.end(); ++i)
+		writeU16(os, *i);
 	writeU8(os, post_effect_color.getAlpha());
 	writeU8(os, post_effect_color.getRed());
 	writeU8(os, post_effect_color.getGreen());
 	writeU8(os, post_effect_color.getBlue());
-	writeU8(os, param_type);
-	if ((protocol_version < 28) && (param_type_2 == CPT2_MESHOPTIONS))
-		writeU8(os, CPT2_NONE);
-	else
-		writeU8(os, param_type_2);
-	writeU8(os, is_ground_content);
+	writeU8(os, leveled);
+
+	// lighting
 	writeU8(os, light_propagates);
 	writeU8(os, sunlight_propagates);
+	writeU8(os, light_source);
+
+	// map generation
+	writeU8(os, is_ground_content);
+
+	// interaction
 	writeU8(os, walkable);
 	writeU8(os, pointable);
 	writeU8(os, diggable);
 	writeU8(os, climbable);
 	writeU8(os, buildable_to);
-	os<<serializeString(""); // legacy: used to be metadata_name
+	writeU8(os, rightclickable);
+	writeU32(os, damage_per_second);
+
+	// liquid
 	writeU8(os, liquid_type);
-	os<<serializeString(liquid_alternative_flowing);
-	os<<serializeString(liquid_alternative_source);
+	os << serializeString(liquid_alternative_flowing);
+	os << serializeString(liquid_alternative_source);
 	writeU8(os, liquid_viscosity);
 	writeU8(os, liquid_renewable);
-	writeU8(os, light_source);
-	writeU32(os, damage_per_second);
+	writeU8(os, liquid_range);
+	writeU8(os, drowning);
+	writeU8(os, floodable);
+
+	// node boxes
 	node_box.serialize(os, protocol_version);
 	selection_box.serialize(os, protocol_version);
-	writeU8(os, legacy_facedir_simple);
-	writeU8(os, legacy_wallmounted);
+	collision_box.serialize(os, protocol_version);
+
+	// sound
 	serializeSimpleSoundSpec(sound_footstep, os);
 	serializeSimpleSoundSpec(sound_dig, os);
 	serializeSimpleSoundSpec(sound_dug, os);
-	writeU8(os, rightclickable);
-	writeU8(os, drowning);
-	writeU8(os, leveled);
-	writeU8(os, liquid_range);
-	writeU8(os, waving);
-	// Stuff below should be moved to correct place in a version that otherwise changes
-	// the protocol version
-	os<<serializeString(mesh);
-	collision_box.serialize(os, protocol_version);
-	writeU8(os, floodable);
-	writeU16(os, connects_to_ids.size());
-	for (std::set<content_t>::const_iterator i = connects_to_ids.begin();
-			i != connects_to_ids.end(); ++i)
-		writeU16(os, *i);
-	writeU8(os, connect_sides);
+
+	// legacy
+	writeU8(os, legacy_facedir_simple);
+	writeU8(os, legacy_wallmounted);
+}
+
+void ContentFeatures::correctAlpha(TileDef *tiles, int length)
+{
+	// alpha == 0 means that the node is using texture alpha
+	if (alpha == 0 || alpha == 255)
+		return;
+
+	for (int i = 0; i < length; i++) {
+		if (tiles[i].name == "")
+			continue;
+		std::stringstream s;
+		s << tiles[i].name << "^[noalpha^[opacity:" << ((int)alpha);
+		tiles[i].name = s.str();
+	}
 }
 
 void ContentFeatures::deSerialize(std::istream &is)
 {
+	// version detection
 	int version = readU8(is);
-	if (version < 7) {
+	if (version < 9) {
 		deSerializeOld(is, version);
 		return;
-	} else if (version > 8) {
+	} else if (version > 10) {
 		throw SerializationError("unsupported ContentFeatures version");
 	}
 
+	// general
 	name = deSerializeString(is);
 	groups.clear();
 	u32 groups_size = readU16(is);
-	for(u32 i = 0; i < groups_size; i++){
+	for (u32 i = 0; i < groups_size; i++) {
 		std::string name = deSerializeString(is);
 		int value = readS16(is);
 		groups[name] = value;
 	}
-	drawtype = (enum NodeDrawType)readU8(is);
+	param_type = (enum ContentParamType) readU8(is);
+	param_type_2 = (enum ContentParamType2) readU8(is);
 
+	// visual
+	drawtype = (enum NodeDrawType) readU8(is);
+	mesh = deSerializeString(is);
 	visual_scale = readF1000(is);
-	if(readU8(is) != 6)
+	if (readU8(is) != 6)
 		throw SerializationError("unsupported tile count");
-	for(u32 i = 0; i < 6; i++)
+	for (u32 i = 0; i < 6; i++)
 		tiledef[i].deSerialize(is, version, drawtype);
-	if(readU8(is) != CF_SPECIAL_COUNT)
+	if (version >= 10)
+		for (u32 i = 0; i < 6; i++)
+			tiledef_overlay[i].deSerialize(is, version, drawtype);
+	if (readU8(is) != CF_SPECIAL_COUNT)
 		throw SerializationError("unsupported CF_SPECIAL_COUNT");
-	for(u32 i = 0; i < CF_SPECIAL_COUNT; i++)
+	for (u32 i = 0; i < CF_SPECIAL_COUNT; i++)
 		tiledef_special[i].deSerialize(is, version, drawtype);
 	alpha = readU8(is);
+	color.setRed(readU8(is));
+	color.setGreen(readU8(is));
+	color.setBlue(readU8(is));
+	palette_name = deSerializeString(is);
+	waving = readU8(is);
+	connect_sides = readU8(is);
+	u16 connects_to_size = readU16(is);
+	connects_to_ids.clear();
+	for (u16 i = 0; i < connects_to_size; i++)
+		connects_to_ids.insert(readU16(is));
 	post_effect_color.setAlpha(readU8(is));
 	post_effect_color.setRed(readU8(is));
 	post_effect_color.setGreen(readU8(is));
 	post_effect_color.setBlue(readU8(is));
-	param_type = (enum ContentParamType)readU8(is);
-	param_type_2 = (enum ContentParamType2)readU8(is);
-	is_ground_content = readU8(is);
+	leveled = readU8(is);
+
+	// lighting-related
 	light_propagates = readU8(is);
 	sunlight_propagates = readU8(is);
+	light_source = readU8(is);
+	light_source = MYMIN(light_source, LIGHT_MAX);
+
+	// map generation
+	is_ground_content = readU8(is);
+
+	// interaction
 	walkable = readU8(is);
 	pointable = readU8(is);
 	diggable = readU8(is);
 	climbable = readU8(is);
 	buildable_to = readU8(is);
-	deSerializeString(is); // legacy: used to be metadata_name
-	liquid_type = (enum LiquidType)readU8(is);
+	rightclickable = readU8(is);
+	damage_per_second = readU32(is);
+
+	// liquid
+	liquid_type = (enum LiquidType) readU8(is);
 	liquid_alternative_flowing = deSerializeString(is);
 	liquid_alternative_source = deSerializeString(is);
 	liquid_viscosity = readU8(is);
 	liquid_renewable = readU8(is);
-	light_source = readU8(is);
-	light_source = MYMIN(light_source, LIGHT_MAX);
-	damage_per_second = readU32(is);
+	liquid_range = readU8(is);
+	drowning = readU8(is);
+	floodable = readU8(is);
+
+	// node boxes
 	node_box.deSerialize(is);
 	selection_box.deSerialize(is);
-	legacy_facedir_simple = readU8(is);
-	legacy_wallmounted = readU8(is);
+	collision_box.deSerialize(is);
+
+	// sounds
 	deSerializeSimpleSoundSpec(sound_footstep, is);
 	deSerializeSimpleSoundSpec(sound_dig, is);
 	deSerializeSimpleSoundSpec(sound_dug, is);
-	rightclickable = readU8(is);
-	drowning = readU8(is);
-	leveled = readU8(is);
-	liquid_range = readU8(is);
-	waving = readU8(is);
-	// If you add anything here, insert it primarily inside the try-catch
-	// block to not need to increase the version.
-	try{
-		// Stuff below should be moved to correct place in a version that
-		// otherwise changes the protocol version
-	mesh = deSerializeString(is);
-	collision_box.deSerialize(is);
-	floodable = readU8(is);
-	u16 connects_to_size = readU16(is);
-	connects_to_ids.clear();
-	for (u16 i = 0; i < connects_to_size; i++)
-		connects_to_ids.insert(readU16(is));
-	connect_sides = readU8(is);
-	}catch(SerializationError &e) {};
+
+	// read legacy properties
+	legacy_facedir_simple = readU8(is);
+	legacy_wallmounted = readU8(is);
 }
 
 #ifndef SERVER
-void ContentFeatures::fillTileAttribs(ITextureSource *tsrc, TileSpec *tile,
+void ContentFeatures::fillTileAttribs(ITextureSource *tsrc, TileLayer *tile,
 		TileDef *tiledef, u32 shader_id, bool use_normal_texture,
-		bool backface_culling, u8 alpha, u8 material_type)
+		bool backface_culling, u8 material_type)
 {
 	tile->shader_id     = shader_id;
 	tile->texture       = tsrc->getTextureForMesh(tiledef->name, &tile->texture_id);
-	tile->alpha         = alpha;
 	tile->material_type = material_type;
 
 	// Normal texture and shader flags texture
@@ -532,29 +601,32 @@ void ContentFeatures::fillTileAttribs(ITextureSource *tsrc, TileSpec *tile,
 	tile->material_flags = 0;
 	if (backface_culling)
 		tile->material_flags |= MATERIAL_FLAG_BACKFACE_CULLING;
-	if (tiledef->animation.type == TAT_VERTICAL_FRAMES)
-		tile->material_flags |= MATERIAL_FLAG_ANIMATION_VERTICAL_FRAMES;
+	if (tiledef->animation.type != TAT_NONE)
+		tile->material_flags |= MATERIAL_FLAG_ANIMATION;
 	if (tiledef->tileable_horizontal)
 		tile->material_flags |= MATERIAL_FLAG_TILEABLE_HORIZONTAL;
 	if (tiledef->tileable_vertical)
 		tile->material_flags |= MATERIAL_FLAG_TILEABLE_VERTICAL;
 
+	// Color
+	tile->has_color = tiledef->has_color;
+	if (tiledef->has_color)
+		tile->color = tiledef->color;
+	else
+		tile->color = color;
+
 	// Animation parameters
 	int frame_count = 1;
-	if (tile->material_flags & MATERIAL_FLAG_ANIMATION_VERTICAL_FRAMES) {
-		// Get texture size to determine frame count by aspect ratio
-		v2u32 size = tile->texture->getOriginalSize();
-		int frame_height = (float)size.X /
-				(float)tiledef->animation.aspect_w *
-				(float)tiledef->animation.aspect_h;
-		frame_count = size.Y / frame_height;
-		int frame_length_ms = 1000.0 * tiledef->animation.length / frame_count;
+	if (tile->material_flags & MATERIAL_FLAG_ANIMATION) {
+		int frame_length_ms;
+		tiledef->animation.determineParams(tile->texture->getOriginalSize(),
+				&frame_count, &frame_length_ms, NULL);
 		tile->animation_frame_count = frame_count;
 		tile->animation_frame_length_ms = frame_length_ms;
 	}
 
 	if (frame_count == 1) {
-		tile->material_flags &= ~MATERIAL_FLAG_ANIMATION_VERTICAL_FRAMES;
+		tile->material_flags &= ~MATERIAL_FLAG_ANIMATION;
 	} else {
 		std::ostringstream os(std::ios::binary);
 		tile->frames.resize(frame_count);
@@ -564,8 +636,9 @@ void ContentFeatures::fillTileAttribs(ITextureSource *tsrc, TileSpec *tile,
 			FrameSpec frame;
 
 			os.str("");
-			os << tiledef->name << "^[verticalframe:"
-				<< frame_count << ":" << i;
+			os << tiledef->name;
+			tiledef->animation.getTextureModifer(os,
+					tile->texture->getOriginalSize(), i);
 
 			frame.texture = tsrc->getTextureForMesh(os.str(), &frame.texture_id);
 			if (tile->normal_texture)
@@ -579,8 +652,7 @@ void ContentFeatures::fillTileAttribs(ITextureSource *tsrc, TileSpec *tile,
 
 #ifndef SERVER
 void ContentFeatures::updateTextures(ITextureSource *tsrc, IShaderSource *shdsrc,
-	scene::ISceneManager *smgr, scene::IMeshManipulator *meshmanip,
-	IGameDef *gamedef, const TextureSettings &tsettings)
+	scene::IMeshManipulator *meshmanip, Client *client, const TextureSettings &tsettings)
 {
 	// minimap pixel color - the average color of a texture
 	if (tsettings.enable_minimap && tiledef[0].name != "")
@@ -593,9 +665,16 @@ void ContentFeatures::updateTextures(ITextureSource *tsrc, IShaderSource *shdsrc
 		if (tdef[j].name == "")
 			tdef[j].name = "unknown_node.png";
 	}
+	// also the overlay tiles
+	TileDef tdef_overlay[6];
+	for (u32 j = 0; j < 6; j++)
+		tdef_overlay[j] = tiledef_overlay[j];
+	// also the special tiles
+	TileDef tdef_spec[6];
+	for (u32 j = 0; j < CF_SPECIAL_COUNT; j++)
+		tdef_spec[j] = tiledef_special[j];
 
 	bool is_liquid = false;
-	bool is_water_surface = false;
 
 	u8 material_type = (alpha == 255) ?
 		TILE_MATERIAL_BASIC : TILE_MATERIAL_ALPHA;
@@ -646,8 +725,8 @@ void ContentFeatures::updateTextures(ITextureSource *tsrc, IShaderSource *shdsrc
 			visual_solidness = 1;
 		} else if (tsettings.leaves_style == LEAVES_SIMPLE) {
 			for (u32 j = 0; j < 6; j++) {
-				if (tiledef_special[j].name != "")
-					tdef[j].name = tiledef_special[j].name;
+				if (tdef_spec[j].name != "")
+					tdef[j].name = tdef_spec[j].name;
 			}
 			drawtype = NDT_GLASSLIKE;
 			solidness = 0;
@@ -658,34 +737,40 @@ void ContentFeatures::updateTextures(ITextureSource *tsrc, IShaderSource *shdsrc
 			for (u32 i = 0; i < 6; i++)
 				tdef[i].name += std::string("^[noalpha");
 		}
-		if (waving == 1)
+		if (waving >= 1)
 			material_type = TILE_MATERIAL_WAVING_LEAVES;
 		break;
 	case NDT_PLANTLIKE:
 		solidness = 0;
-		if (waving == 1)
+		if (waving >= 1)
 			material_type = TILE_MATERIAL_WAVING_PLANTS;
 		break;
 	case NDT_FIRELIKE:
 		solidness = 0;
 		break;
 	case NDT_MESH:
+	case NDT_NODEBOX:
 		solidness = 0;
+		if (waving == 1)
+			material_type = TILE_MATERIAL_WAVING_PLANTS;
+		else if (waving == 2)
+			material_type = TILE_MATERIAL_WAVING_LEAVES;
 		break;
 	case NDT_TORCHLIKE:
 	case NDT_SIGNLIKE:
 	case NDT_FENCELIKE:
 	case NDT_RAILLIKE:
-	case NDT_NODEBOX:
 		solidness = 0;
 		break;
 	}
 
 	if (is_liquid) {
+		// Vertex alpha is no longer supported, correct if necessary.
+		correctAlpha(tdef, 6);
+		correctAlpha(tdef_overlay, 6);
+		correctAlpha(tdef_spec, CF_SPECIAL_COUNT);
 		material_type = (alpha == 255) ?
 			TILE_MATERIAL_LIQUID_OPAQUE : TILE_MATERIAL_LIQUID_TRANSPARENT;
-		if (name == "default:water_source")
-			is_water_surface = true;
 	}
 
 	u32 tile_shader[6];
@@ -694,29 +779,33 @@ void ContentFeatures::updateTextures(ITextureSource *tsrc, IShaderSource *shdsrc
 			material_type, drawtype);
 	}
 
-	if (is_water_surface) {
-		tile_shader[0] = shdsrc->getShader("water_surface_shader",
-			material_type, drawtype);
-	}
-
 	// Tiles (fill in f->tiles[])
 	for (u16 j = 0; j < 6; j++) {
-		fillTileAttribs(tsrc, &tiles[j], &tdef[j], tile_shader[j],
+		fillTileAttribs(tsrc, &tiles[j].layers[0], &tdef[j], tile_shader[j],
 			tsettings.use_normal_texture,
-			tiledef[j].backface_culling, alpha, material_type);
+			tdef[j].backface_culling, material_type);
+		if (tdef_overlay[j].name != "")
+			fillTileAttribs(tsrc, &tiles[j].layers[1], &tdef_overlay[j],
+				tile_shader[j], tsettings.use_normal_texture,
+				tdef[j].backface_culling, material_type);
 	}
 
 	// Special tiles (fill in f->special_tiles[])
 	for (u16 j = 0; j < CF_SPECIAL_COUNT; j++) {
-		fillTileAttribs(tsrc, &special_tiles[j], &tiledef_special[j],
+		fillTileAttribs(tsrc, &special_tiles[j].layers[0], &tdef_spec[j],
 			tile_shader[j], tsettings.use_normal_texture,
-			tiledef_special[j].backface_culling, alpha, material_type);
+			tdef_spec[j].backface_culling, material_type);
 	}
 
+	if (param_type_2 == CPT2_COLOR ||
+			param_type_2 == CPT2_COLORED_FACEDIR ||
+			param_type_2 == CPT2_COLORED_WALLMOUNTED)
+		palette = tsrc->getPalette(palette_name);
+
 	if ((drawtype == NDT_MESH) && (mesh != "")) {
 		// Meshnode drawtype
 		// Read the mesh and apply scale
-		mesh_ptr[0] = gamedef->getMesh(mesh);
+		mesh_ptr[0] = client->getMesh(mesh);
 		if (mesh_ptr[0]){
 			v3f scale = v3f(1.0, 1.0, 1.0) * BS * visual_scale;
 			scaleMesh(mesh_ptr[0], scale);
@@ -738,15 +827,19 @@ void ContentFeatures::updateTextures(ITextureSource *tsrc, IShaderSource *shdsrc
 	}
 
 	//Cache 6dfacedir and wallmounted rotated clones of meshes
-	if (tsettings.enable_mesh_cache && mesh_ptr[0] && (param_type_2 == CPT2_FACEDIR)) {
+	if (tsettings.enable_mesh_cache && mesh_ptr[0] &&
+			(param_type_2 == CPT2_FACEDIR
+			|| param_type_2 == CPT2_COLORED_FACEDIR)) {
 		for (u16 j = 1; j < 24; j++) {
 			mesh_ptr[j] = cloneMesh(mesh_ptr[0]);
 			rotateMeshBy6dFacedir(mesh_ptr[j], j);
 			recalculateBoundingBox(mesh_ptr[j]);
 			meshmanip->recalculateNormals(mesh_ptr[j], true, false);
 		}
-	} else if (tsettings.enable_mesh_cache && mesh_ptr[0] && (param_type_2 == CPT2_WALLMOUNTED)) {
-		static const u8 wm_to_6d[6] = {20, 0, 16+1, 12+3, 8, 4+2};
+	} else if (tsettings.enable_mesh_cache && mesh_ptr[0]
+			&& (param_type_2 == CPT2_WALLMOUNTED ||
+			param_type_2 == CPT2_COLORED_WALLMOUNTED)) {
+		static const u8 wm_to_6d[6] = { 20, 0, 16 + 1, 12 + 3, 8, 4 + 2 };
 		for (u16 j = 1; j < 6; j++) {
 			mesh_ptr[j] = cloneMesh(mesh_ptr[0]);
 			rotateMeshBy6dFacedir(mesh_ptr[j], wm_to_6d[j]);
@@ -788,7 +881,6 @@ public:
 	void serialize(std::ostream &os, u16 protocol_version) const;
 	void deSerialize(std::istream &is);
 
-	inline virtual bool getNodeRegistrationStatus() const;
 	inline virtual void setNodeRegistrationStatus(bool completed);
 
 	virtual void pendNodeResolve(NodeResolver *nr);
@@ -797,9 +889,18 @@ public:
 	virtual void resetNodeResolveState();
 	virtual void mapNodeboxConnections();
 	virtual bool nodeboxConnects(MapNode from, MapNode to, u8 connect_face);
+	virtual core::aabbox3d<s16> getSelectionBoxIntUnion() const
+	{
+		return m_selection_box_int_union;
+	}
 
 private:
 	void addNameIdMapping(content_t i, std::string name);
+	/*!
+	 * Recalculates m_selection_box_int_union based on
+	 * m_selection_box_union.
+	 */
+	void fixSelectionBoxIntUnion();
 
 	// Features indexed by id
 	std::vector<ContentFeatures> m_content_features;
@@ -826,6 +927,14 @@ private:
 
 	// True when all nodes have been registered
 	bool m_node_registration_complete;
+
+	//! The union of all nodes' selection boxes.
+	aabb3f m_selection_box_union;
+	/*!
+	 * The smallest box in node coordinates that
+	 * contains all nodes' selection boxes.
+	 */
+	core::aabbox3d<s16> m_selection_box_int_union;
 };
 
 
@@ -856,6 +965,8 @@ void CNodeDefManager::clear()
 	m_name_id_mapping_with_aliases.clear();
 	m_group_to_items.clear();
 	m_next_id = 0;
+	m_selection_box_union.reset(0,0,0);
+	m_selection_box_int_union.reset(0,0,0);
 
 	resetNodeResolveState();
 
@@ -1014,6 +1125,124 @@ content_t CNodeDefManager::allocateId()
 }
 
 
+/*!
+ * Returns the smallest box that contains all boxes
+ * in the vector. Box_union is expanded.
+ * @param[in]      boxes     the vector containing the boxes
+ * @param[in, out] box_union the union of the arguments
+ */
+void boxVectorUnion(const std::vector<aabb3f> &boxes, aabb3f *box_union)
+{
+	for (std::vector<aabb3f>::const_iterator it = boxes.begin();
+			it != boxes.end(); ++it) {
+		box_union->addInternalBox(*it);
+	}
+}
+
+
+/*!
+ * Returns a box that contains the nodebox in every case.
+ * The argument node_union is expanded.
+ * @param[in]      nodebox  the nodebox to be measured
+ * @param[in]      features  used to decide whether the nodebox
+ * can be rotated
+ * @param[in, out] box_union the union of the arguments
+ */
+void getNodeBoxUnion(const NodeBox &nodebox, const ContentFeatures &features,
+	aabb3f *box_union)
+{
+	switch(nodebox.type) {
+		case NODEBOX_FIXED:
+		case NODEBOX_LEVELED: {
+			// Raw union
+			aabb3f half_processed(0, 0, 0, 0, 0, 0);
+			boxVectorUnion(nodebox.fixed, &half_processed);
+			// Set leveled boxes to maximal
+			if (nodebox.type == NODEBOX_LEVELED) {
+				half_processed.MaxEdge.Y = +BS / 2;
+			}
+			if (features.param_type_2 == CPT2_FACEDIR ||
+					features.param_type_2 == CPT2_COLORED_FACEDIR) {
+				// Get maximal coordinate
+				f32 coords[] = {
+					fabsf(half_processed.MinEdge.X),
+					fabsf(half_processed.MinEdge.Y),
+					fabsf(half_processed.MinEdge.Z),
+					fabsf(half_processed.MaxEdge.X),
+					fabsf(half_processed.MaxEdge.Y),
+					fabsf(half_processed.MaxEdge.Z) };
+				f32 max = 0;
+				for (int i = 0; i < 6; i++) {
+					if (max < coords[i]) {
+						max = coords[i];
+					}
+				}
+				// Add the union of all possible rotated boxes
+				box_union->addInternalPoint(-max, -max, -max);
+				box_union->addInternalPoint(+max, +max, +max);
+			} else {
+				box_union->addInternalBox(half_processed);
+			}
+			break;
+		}
+		case NODEBOX_WALLMOUNTED: {
+			// Add fix boxes
+			box_union->addInternalBox(nodebox.wall_top);
+			box_union->addInternalBox(nodebox.wall_bottom);
+			// Find maximal coordinate in the X-Z plane
+			f32 coords[] = {
+				fabsf(nodebox.wall_side.MinEdge.X),
+				fabsf(nodebox.wall_side.MinEdge.Z),
+				fabsf(nodebox.wall_side.MaxEdge.X),
+				fabsf(nodebox.wall_side.MaxEdge.Z) };
+			f32 max = 0;
+			for (int i = 0; i < 4; i++) {
+				if (max < coords[i]) {
+					max = coords[i];
+				}
+			}
+			// Add the union of all possible rotated boxes
+			box_union->addInternalPoint(-max, nodebox.wall_side.MinEdge.Y, -max);
+			box_union->addInternalPoint(max, nodebox.wall_side.MaxEdge.Y, max);
+			break;
+		}
+		case NODEBOX_CONNECTED: {
+			// Add all possible connected boxes
+			boxVectorUnion(nodebox.fixed,          box_union);
+			boxVectorUnion(nodebox.connect_top,    box_union);
+			boxVectorUnion(nodebox.connect_bottom, box_union);
+			boxVectorUnion(nodebox.connect_front,  box_union);
+			boxVectorUnion(nodebox.connect_left,   box_union);
+			boxVectorUnion(nodebox.connect_back,   box_union);
+			boxVectorUnion(nodebox.connect_right,  box_union);
+			break;
+		}
+		default: {
+			// NODEBOX_REGULAR
+			box_union->addInternalPoint(-BS / 2, -BS / 2, -BS / 2);
+			box_union->addInternalPoint(+BS / 2, +BS / 2, +BS / 2);
+		}
+	}
+}
+
+
+inline void CNodeDefManager::fixSelectionBoxIntUnion()
+{
+	m_selection_box_int_union.MinEdge.X = floorf(
+		m_selection_box_union.MinEdge.X / BS + 0.5f);
+	m_selection_box_int_union.MinEdge.Y = floorf(
+		m_selection_box_union.MinEdge.Y / BS + 0.5f);
+	m_selection_box_int_union.MinEdge.Z = floorf(
+		m_selection_box_union.MinEdge.Z / BS + 0.5f);
+	m_selection_box_int_union.MaxEdge.X = ceilf(
+		m_selection_box_union.MaxEdge.X / BS - 0.5f);
+	m_selection_box_int_union.MaxEdge.Y = ceilf(
+		m_selection_box_union.MaxEdge.Y / BS - 0.5f);
+	m_selection_box_int_union.MaxEdge.Z = ceilf(
+		m_selection_box_union.MaxEdge.Z / BS - 0.5f);
+}
+
+
 // IWritableNodeDefManager
 content_t CNodeDefManager::set(const std::string &name, const ContentFeatures &def)
 {
@@ -1044,6 +1273,8 @@ content_t CNodeDefManager::set(const std::string &name, const ContentFeatures &d
 	verbosestream << "NodeDefManager: registering content id \"" << id
 		<< "\": name=\"" << def.name << "\""<<std::endl;
 
+	getNodeBoxUnion(def.selection_box, def, &m_selection_box_union);
+	fixSelectionBoxIntUnion();
 	// Add this content to the list of all groups it belongs to
 	// FIXME: This should remove a node from groups it no longer
 	// belongs to when a node is re-registered
@@ -1088,34 +1319,34 @@ void CNodeDefManager::removeNode(const std::string &name)
 
 	// Erase node content from all groups it belongs to
 	for (UNORDERED_MAP<std::string, GroupItems>::iterator iter_groups =
-			m_group_to_items.begin();
-			iter_groups != m_group_to_items.end();) {
+			m_group_to_items.begin(); iter_groups != m_group_to_items.end();) {
 		GroupItems &items = iter_groups->second;
 		for (GroupItems::iterator iter_groupitems = items.begin();
 				iter_groupitems != items.end();) {
 			if (iter_groupitems->first == id)
 				items.erase(iter_groupitems++);
 			else
-				iter_groupitems++;
+				++iter_groupitems;
 		}
 
 		// Check if group is empty
 		if (items.size() == 0)
 			m_group_to_items.erase(iter_groups++);
 		else
-			iter_groups++;
+			++iter_groups;
 	}
 }
 
 
 void CNodeDefManager::updateAliases(IItemDefManager *idef)
 {
-	std::set<std::string> all = idef->getAll();
+	std::set<std::string> all;
+	idef->getAll(all);
 	m_name_id_mapping_with_aliases.clear();
-	for (std::set<std::string>::iterator
+	for (std::set<std::string>::const_iterator
 			i = all.begin(); i != all.end(); ++i) {
-		std::string name = *i;
-		std::string convert_to = idef->getAlias(name);
+		const std::string &name = *i;
+		const std::string &convert_to = idef->getAlias(name);
 		content_t id;
 		if (m_name_id_mapping.getId(convert_to, id)) {
 			m_name_id_mapping_with_aliases.insert(
@@ -1185,9 +1416,11 @@ void CNodeDefManager::updateTextures(IGameDef *gamedef,
 #ifndef SERVER
 	infostream << "CNodeDefManager::updateTextures(): Updating "
 		"textures in node definitions" << std::endl;
-	ITextureSource *tsrc = gamedef->tsrc();
-	IShaderSource *shdsrc = gamedef->getShaderSource();
-	scene::ISceneManager* smgr = gamedef->getSceneManager();
+
+	Client *client = (Client *)gamedef;
+	ITextureSource *tsrc = client->tsrc();
+	IShaderSource *shdsrc = client->getShaderSource();
+	scene::ISceneManager* smgr = client->getSceneManager();
 	scene::IMeshManipulator* meshmanip = smgr->getMeshManipulator();
 	TextureSettings tsettings;
 	tsettings.readSettings();
@@ -1195,7 +1428,8 @@ void CNodeDefManager::updateTextures(IGameDef *gamedef,
 	u32 size = m_content_features.size();
 
 	for (u32 i = 0; i < size; i++) {
-		m_content_features[i].updateTextures(tsrc, shdsrc, smgr, meshmanip, gamedef, tsettings);
+		ContentFeatures *f = &(m_content_features[i]);
+		f->updateTextures(tsrc, shdsrc, meshmanip, client, tsettings);
 		progress_callback(progress_callback_args, i, size);
 	}
 #endif
@@ -1273,6 +1507,9 @@ void CNodeDefManager::deSerialize(std::istream &is)
 		m_content_features[i] = f;
 		addNameIdMapping(i, f.name);
 		verbosestream << "deserialized " << f.name << std::endl;
+
+		getNodeBoxUnion(f.selection_box, f, &m_selection_box_union);
+		fixSelectionBoxIntUnion();
 	}
 }
 
@@ -1293,72 +1530,52 @@ IWritableNodeDefManager *createNodeDefManager()
 //// Serialization of old ContentFeatures formats
 void ContentFeatures::serializeOld(std::ostream &os, u16 protocol_version) const
 {
-	if (protocol_version == 13)
-	{
-		writeU8(os, 5); // version
-		os<<serializeString(name);
-		writeU16(os, groups.size());
-		for (ItemGroupList::const_iterator
-				i = groups.begin(); i != groups.end(); ++i) {
-			os<<serializeString(i->first);
-			writeS16(os, i->second);
+	u8 compatible_param_type_2 = param_type_2;
+	if ((protocol_version < 28)
+			&& (compatible_param_type_2 == CPT2_MESHOPTIONS))
+		compatible_param_type_2 = CPT2_NONE;
+	else if (protocol_version < 30) {
+		if (compatible_param_type_2 == CPT2_COLOR)
+			compatible_param_type_2 = CPT2_NONE;
+		else if (compatible_param_type_2 == CPT2_COLORED_FACEDIR)
+			compatible_param_type_2 = CPT2_FACEDIR;
+		else if (compatible_param_type_2 == CPT2_COLORED_WALLMOUNTED)
+			compatible_param_type_2 = CPT2_WALLMOUNTED;
+	}
+
+	float compatible_visual_scale = visual_scale;
+	if (protocol_version < 30 && drawtype == NDT_PLANTLIKE)
+		compatible_visual_scale = sqrt(visual_scale);
+
+	TileDef compatible_tiles[6];
+	for (u8 i = 0; i < 6; i++) {
+		compatible_tiles[i] = tiledef[i];
+		if (tiledef_overlay[i].name != "") {
+			std::stringstream s;
+			s << "(" << tiledef[i].name << ")^(" << tiledef_overlay[i].name
+				<< ")";
+			compatible_tiles[i].name = s.str();
 		}
-		writeU8(os, drawtype);
-		writeF1000(os, visual_scale);
-		writeU8(os, 6);
-		for (u32 i = 0; i < 6; i++)
-			tiledef[i].serialize(os, protocol_version);
-		//CF_SPECIAL_COUNT = 2 before cf ver. 7 and protocol ver. 24
-		writeU8(os, 2);
-		for (u32 i = 0; i < 2; i++)
-			tiledef_special[i].serialize(os, protocol_version);
-		writeU8(os, alpha);
-		writeU8(os, post_effect_color.getAlpha());
-		writeU8(os, post_effect_color.getRed());
-		writeU8(os, post_effect_color.getGreen());
-		writeU8(os, post_effect_color.getBlue());
-		writeU8(os, param_type);
-		writeU8(os, param_type_2);
-		writeU8(os, is_ground_content);
-		writeU8(os, light_propagates);
-		writeU8(os, sunlight_propagates);
-		writeU8(os, walkable);
-		writeU8(os, pointable);
-		writeU8(os, diggable);
-		writeU8(os, climbable);
-		writeU8(os, buildable_to);
-		os<<serializeString(""); // legacy: used to be metadata_name
-		writeU8(os, liquid_type);
-		os<<serializeString(liquid_alternative_flowing);
-		os<<serializeString(liquid_alternative_source);
-		writeU8(os, liquid_viscosity);
-		writeU8(os, light_source);
-		writeU32(os, damage_per_second);
-		node_box.serialize(os, protocol_version);
-		selection_box.serialize(os, protocol_version);
-		writeU8(os, legacy_facedir_simple);
-		writeU8(os, legacy_wallmounted);
-		serializeSimpleSoundSpec(sound_footstep, os);
-		serializeSimpleSoundSpec(sound_dig, os);
-		serializeSimpleSoundSpec(sound_dug, os);
 	}
-	else if (protocol_version > 13 && protocol_version < 24) {
-		writeU8(os, 6); // version
-		os<<serializeString(name);
+
+	// Protocol >= 24
+	if (protocol_version < 31) {
+		writeU8(os, protocol_version < 27 ? 7 : 8);
+
+		os << serializeString(name);
 		writeU16(os, groups.size());
-		for (ItemGroupList::const_iterator
-			i = groups.begin(); i != groups.end(); ++i) {
-				os<<serializeString(i->first);
-				writeS16(os, i->second);
+		for (ItemGroupList::const_iterator i = groups.begin();
+				i != groups.end(); ++i) {
+			os << serializeString(i->first);
+			writeS16(os, i->second);
 		}
 		writeU8(os, drawtype);
-		writeF1000(os, visual_scale);
+		writeF1000(os, compatible_visual_scale);
 		writeU8(os, 6);
 		for (u32 i = 0; i < 6; i++)
-			tiledef[i].serialize(os, protocol_version);
-		//CF_SPECIAL_COUNT = 2 before cf ver. 7 and protocol ver. 24
-		writeU8(os, 2);
-		for (u32 i = 0; i < 2; i++)
+			compatible_tiles[i].serialize(os, protocol_version);
+		writeU8(os, CF_SPECIAL_COUNT);
+		for (u32 i = 0; i < CF_SPECIAL_COUNT; i++)
 			tiledef_special[i].serialize(os, protocol_version);
 		writeU8(os, alpha);
 		writeU8(os, post_effect_color.getAlpha());
@@ -1366,7 +1583,7 @@ void ContentFeatures::serializeOld(std::ostream &os, u16 protocol_version) const
 		writeU8(os, post_effect_color.getGreen());
 		writeU8(os, post_effect_color.getBlue());
 		writeU8(os, param_type);
-		writeU8(os, param_type_2);
+		writeU8(os, compatible_param_type_2);
 		writeU8(os, is_ground_content);
 		writeU8(os, light_propagates);
 		writeU8(os, sunlight_propagates);
@@ -1375,10 +1592,10 @@ void ContentFeatures::serializeOld(std::ostream &os, u16 protocol_version) const
 		writeU8(os, diggable);
 		writeU8(os, climbable);
 		writeU8(os, buildable_to);
-		os<<serializeString(""); // legacy: used to be metadata_name
+		os << serializeString(""); // legacy: used to be metadata_name
 		writeU8(os, liquid_type);
-		os<<serializeString(liquid_alternative_flowing);
-		os<<serializeString(liquid_alternative_source);
+		os << serializeString(liquid_alternative_flowing);
+		os << serializeString(liquid_alternative_source);
 		writeU8(os, liquid_viscosity);
 		writeU8(os, liquid_renewable);
 		writeU8(os, light_source);
@@ -1394,9 +1611,19 @@ void ContentFeatures::serializeOld(std::ostream &os, u16 protocol_version) const
 		writeU8(os, drowning);
 		writeU8(os, leveled);
 		writeU8(os, liquid_range);
-	} else
+		writeU8(os, waving);
+		os << serializeString(mesh);
+		collision_box.serialize(os, protocol_version);
+		writeU8(os, floodable);
+		writeU16(os, connects_to_ids.size());
+		for (std::set<content_t>::const_iterator i = connects_to_ids.begin();
+				i != connects_to_ids.end(); ++i)
+			writeU16(os, *i);
+		writeU8(os, connect_sides);
+	} else {
 		throw SerializationError("ContentFeatures::serialize(): "
 			"Unsupported version requested");
+	}
 }
 
 void ContentFeatures::deSerializeOld(std::istream &is, int version)
@@ -1506,18 +1733,77 @@ void ContentFeatures::deSerializeOld(std::istream &is, int version)
 		drowning = readU8(is);
 		leveled = readU8(is);
 		liquid_range = readU8(is);
-	} else {
+	} else if (version == 7 || version == 8){
+		name = deSerializeString(is);
+		groups.clear();
+		u32 groups_size = readU16(is);
+		for (u32 i = 0; i < groups_size; i++) {
+			std::string name = deSerializeString(is);
+			int value = readS16(is);
+			groups[name] = value;
+		}
+		drawtype = (enum NodeDrawType) readU8(is);
+
+		visual_scale = readF1000(is);
+		if (readU8(is) != 6)
+			throw SerializationError("unsupported tile count");
+		for (u32 i = 0; i < 6; i++)
+			tiledef[i].deSerialize(is, version, drawtype);
+		if (readU8(is) != CF_SPECIAL_COUNT)
+			throw SerializationError("unsupported CF_SPECIAL_COUNT");
+		for (u32 i = 0; i < CF_SPECIAL_COUNT; i++)
+			tiledef_special[i].deSerialize(is, version, drawtype);
+		alpha = readU8(is);
+		post_effect_color.setAlpha(readU8(is));
+		post_effect_color.setRed(readU8(is));
+		post_effect_color.setGreen(readU8(is));
+		post_effect_color.setBlue(readU8(is));
+		param_type = (enum ContentParamType) readU8(is);
+		param_type_2 = (enum ContentParamType2) readU8(is);
+		is_ground_content = readU8(is);
+		light_propagates = readU8(is);
+		sunlight_propagates = readU8(is);
+		walkable = readU8(is);
+		pointable = readU8(is);
+		diggable = readU8(is);
+		climbable = readU8(is);
+		buildable_to = readU8(is);
+		deSerializeString(is); // legacy: used to be metadata_name
+		liquid_type = (enum LiquidType) readU8(is);
+		liquid_alternative_flowing = deSerializeString(is);
+		liquid_alternative_source = deSerializeString(is);
+		liquid_viscosity = readU8(is);
+		liquid_renewable = readU8(is);
+		light_source = readU8(is);
+		light_source = MYMIN(light_source, LIGHT_MAX);
+		damage_per_second = readU32(is);
+		node_box.deSerialize(is);
+		selection_box.deSerialize(is);
+		legacy_facedir_simple = readU8(is);
+		legacy_wallmounted = readU8(is);
+		deSerializeSimpleSoundSpec(sound_footstep, is);
+		deSerializeSimpleSoundSpec(sound_dig, is);
+		deSerializeSimpleSoundSpec(sound_dug, is);
+		rightclickable = readU8(is);
+		drowning = readU8(is);
+		leveled = readU8(is);
+		liquid_range = readU8(is);
+		waving = readU8(is);
+		try {
+			mesh = deSerializeString(is);
+			collision_box.deSerialize(is);
+			floodable = readU8(is);
+			u16 connects_to_size = readU16(is);
+			connects_to_ids.clear();
+			for (u16 i = 0; i < connects_to_size; i++)
+				connects_to_ids.insert(readU16(is));
+			connect_sides = readU8(is);
+		} catch (SerializationError &e) {};
+	}else{
 		throw SerializationError("unsupported ContentFeatures version");
 	}
 }
 
-
-inline bool CNodeDefManager::getNodeRegistrationStatus() const
-{
-	return m_node_registration_complete;
-}
-
-
 inline void CNodeDefManager::setNodeRegistrationStatus(bool completed)
 {
 	m_node_registration_complete = completed;
@@ -1600,19 +1886,23 @@ bool CNodeDefManager::nodeboxConnects(MapNode from, MapNode to, u8 connect_face)
 
 	// does to node declare usable faces?
 	if (f2.connect_sides > 0) {
-		if ((f2.param_type_2 == CPT2_FACEDIR) && (connect_face >= 4)) {
-			static const u8 rot[33 * 4] = {
-				0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-				4, 32, 16, 8, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 4 - back
-				8, 4, 32, 16, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 8 - right
-				0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-				16, 8, 4, 32, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 16 - front
-				0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-				0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-				0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-				32, 16, 8, 4 // 32 - left
-			};
-			return (f2.connect_sides & rot[(connect_face * 4) + to.param2]);
+		if ((f2.param_type_2 == CPT2_FACEDIR ||
+				f2.param_type_2 == CPT2_COLORED_FACEDIR)
+				&& (connect_face >= 4)) {
+			static const u8 rot[33 * 4] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+				0, 0, 0, 0, 4, 32, 16, 8, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+				0, // 4 - back
+				8, 4, 32, 16, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+				0, // 8 - right
+				0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 16, 8, 4, 32, 0,
+				0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+				0, // 16 - front
+				0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+				0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+				0, 0, 0, 0, 0, 0, 32, 16, 8, 4 // 32 - left
+				};
+			return (f2.connect_sides
+				& rot[(connect_face * 4) + (to.param2 & 0x1F)]);
 		}
 		return (f2.connect_sides & connect_face);
 	}