]> git.lizzy.rs Git - minetest.git/blobdiff - src/nodedef.cpp
Add minetest.register_lbm() to run code on block load only
[minetest.git] / src / nodedef.cpp
index bf97ff6d89b6ef0d24eddf21fc22b9957eb13a0c..ba9b4abf22046f354a13f1e41d731ca267b1eca5 100644 (file)
@@ -19,10 +19,9 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 
 #include "nodedef.h"
 
-#include "main.h" // For g_settings
 #include "itemdef.h"
 #ifndef SERVER
-#include "tile.h"
+#include "client/tile.h"
 #include "mesh.h"
 #include <IMeshManipulator.h>
 #endif
@@ -34,6 +33,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #include "exceptions.h"
 #include "debug.h"
 #include "gamedef.h"
+#include <fstream> // Used in applyTextureOverrides()
 
 /*
        NodeBox
@@ -65,7 +65,7 @@ void NodeBox::serialize(std::ostream &os, u16 protocol_version) const
                writeU16(os, fixed.size());
                for(std::vector<aabb3f>::const_iterator
                                i = fixed.begin();
-                               i != fixed.end(); i++)
+                               i != fixed.end(); ++i)
                {
                        writeV3F1000(os, i->MinEdge);
                        writeV3F1000(os, i->MaxEdge);
@@ -120,7 +120,9 @@ void NodeBox::deSerialize(std::istream &is)
 
 void TileDef::serialize(std::ostream &os, u16 protocol_version) const
 {
-       if(protocol_version >= 17)
+       if (protocol_version >= 26)
+               writeU8(os, 2);
+       else if (protocol_version >= 17)
                writeU8(os, 1);
        else
                writeU8(os, 0);
@@ -129,11 +131,15 @@ void TileDef::serialize(std::ostream &os, u16 protocol_version) const
        writeU16(os, animation.aspect_w);
        writeU16(os, animation.aspect_h);
        writeF1000(os, animation.length);
-       if(protocol_version >= 17)
+       if (protocol_version >= 17)
                writeU8(os, backface_culling);
+       if (protocol_version >= 26) {
+               writeU8(os, tileable_horizontal);
+               writeU8(os, tileable_vertical);
+       }
 }
 
-void TileDef::deSerialize(std::istream &is)
+void TileDef::deSerialize(std::istream &is, const u8 contenfeatures_version, const NodeDrawType drawtype)
 {
        int version = readU8(is);
        name = deSerializeString(is);
@@ -141,10 +147,22 @@ void TileDef::deSerialize(std::istream &is)
        animation.aspect_w = readU16(is);
        animation.aspect_h = readU16(is);
        animation.length = readF1000(is);
-       if(version >= 1)
+       if (version >= 1)
                backface_culling = readU8(is);
+       if (version >= 2) {
+               tileable_horizontal = readU8(is);
+               tileable_vertical = readU8(is);
+       }
+
+       if ((contenfeatures_version < 8) &&
+               ((drawtype == NDT_MESH) ||
+                (drawtype == NDT_FIRELIKE) ||
+                (drawtype == NDT_LIQUID) ||
+                (drawtype == NDT_PLANTLIKE)))
+               backface_culling = false;
 }
 
+
 /*
        SimpleSoundSpec serialization
 */
@@ -183,6 +201,7 @@ void ContentFeatures::reset()
        solidness = 2;
        visual_solidness = 0;
        backface_culling = true;
+
 #endif
        has_on_construct = false;
        has_on_destruct = false;
@@ -202,6 +221,7 @@ void ContentFeatures::reset()
 #ifndef SERVER
        for(u32 i = 0; i < 24; i++)
                mesh_ptr[i] = NULL;
+       minimap_color = video::SColor(0, 0, 0, 0);
 #endif
        visual_scale = 1.0;
        for(u32 i = 0; i < 6; i++)
@@ -220,6 +240,7 @@ void ContentFeatures::reset()
        diggable = true;
        climbable = false;
        buildable_to = false;
+       floodable = false;
        rightclickable = true;
        leveled = 0;
        liquid_type = LIQUID_NONE;
@@ -227,7 +248,6 @@ void ContentFeatures::reset()
        liquid_alternative_source = "";
        liquid_viscosity = 0;
        liquid_renewable = true;
-       freezemelt = "";
        liquid_range = LIQUID_LEVEL_MAX+1;
        drowning = 0;
        light_source = 0;
@@ -243,18 +263,19 @@ void ContentFeatures::reset()
        sound_dug = SimpleSoundSpec();
 }
 
-void ContentFeatures::serialize(std::ostream &os, u16 protocol_version)
+void ContentFeatures::serialize(std::ostream &os, u16 protocol_version) const
 {
        if(protocol_version < 24){
                serializeOld(os, protocol_version);
                return;
        }
 
-       writeU8(os, 7); // version
+       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++){
+                       i = groups.begin(); i != groups.end(); ++i){
                os<<serializeString(i->first);
                writeS16(os, i->second);
        }
@@ -306,14 +327,17 @@ void ContentFeatures::serialize(std::ostream &os, u16 protocol_version)
        // the protocol version
        os<<serializeString(mesh);
        collision_box.serialize(os, protocol_version);
+       writeU8(os, floodable);
 }
 
 void ContentFeatures::deSerialize(std::istream &is)
 {
        int version = readU8(is);
-       if(version != 7){
+       if (version < 7) {
                deSerializeOld(is, version);
                return;
+       } else if (version > 8) {
+               throw SerializationError("unsupported ContentFeatures version");
        }
 
        name = deSerializeString(is);
@@ -325,15 +349,16 @@ void ContentFeatures::deSerialize(std::istream &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);
+               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);
+               tiledef_special[i].deSerialize(is, version, drawtype);
        alpha = readU8(is);
        post_effect_color.setAlpha(readU8(is));
        post_effect_color.setRed(readU8(is));
@@ -376,6 +401,7 @@ void ContentFeatures::deSerialize(std::istream &is)
                // otherwise changes the protocol version
        mesh = deSerializeString(is);
        collision_box.deSerialize(is);
+       floodable = readU8(is);
        }catch(SerializationError &e) {};
 }
 
@@ -393,24 +419,26 @@ class CNodeDefManager: public IWritableNodeDefManager {
        inline virtual const ContentFeatures& get(const MapNode &n) const;
        virtual bool getId(const std::string &name, content_t &result) const;
        virtual content_t getId(const std::string &name) const;
-       virtual void getIds(const std::string &name, std::set<content_t> &result) const;
+       virtual bool getIds(const std::string &name, std::set<content_t> &result) const;
        virtual const ContentFeatures& get(const std::string &name) const;
        content_t allocateId();
        virtual content_t set(const std::string &name, const ContentFeatures &def);
        virtual content_t allocateDummy(const std::string &name);
        virtual void updateAliases(IItemDefManager *idef);
-       virtual void updateTextures(IGameDef *gamedef);
-       void serialize(std::ostream &os, u16 protocol_version);
+       virtual void applyTextureOverrides(const std::string &override_filepath);
+       virtual void updateTextures(IGameDef *gamedef,
+               void (*progress_cbk)(void *progress_args, u32 progress, u32 max_progress),
+               void *progress_cbk_args);
+       void serialize(std::ostream &os, u16 protocol_version) const;
        void deSerialize(std::istream &is);
 
-       virtual void pendNodeResolve(NodeResolveInfo *nri);
-       virtual void cancelNodeResolve(NodeResolver *resolver);
-       virtual void runNodeResolverCallbacks();
+       inline virtual bool getNodeRegistrationStatus() const;
+       inline virtual void setNodeRegistrationStatus(bool completed);
 
-       virtual bool getIdFromResolveInfo(NodeResolveInfo *nri,
-               const std::string &node_alt, content_t c_fallback, content_t &result);
-       virtual bool getIdsFromResolveInfo(NodeResolveInfo *nri,
-               std::vector<content_t> &result);
+       virtual void pendNodeResolve(NodeResolver *nr);
+       virtual bool cancelNodeResolveCallback(NodeResolver *nr);
+       virtual void runNodeResolveCallbacks();
+       virtual void resetNodeResolveState();
 
 private:
        void addNameIdMapping(content_t i, std::string name);
@@ -440,8 +468,11 @@ class CNodeDefManager: public IWritableNodeDefManager {
        // Next possibly free id
        content_t m_next_id;
 
-       // List of node strings and node resolver callbacks to perform
-       std::list<NodeResolveInfo *> m_pending_node_lookups;
+       // NodeResolvers to callback once node registration has ended
+       std::vector<NodeResolver *> m_pending_resolve_callbacks;
+
+       // True when all nodes have been registered
+       bool m_node_registration_complete;
 };
 
 
@@ -473,6 +504,8 @@ void CNodeDefManager::clear()
        m_group_to_items.clear();
        m_next_id = 0;
 
+       resetNodeResolveState();
+
        u32 initial_length = 0;
        initial_length = MYMAX(initial_length, CONTENT_UNKNOWN + 1);
        initial_length = MYMAX(initial_length, CONTENT_AIR + 1);
@@ -501,6 +534,7 @@ void CNodeDefManager::clear()
                f.pointable           = false;
                f.diggable            = false;
                f.buildable_to        = true;
+               f.floodable           = true;
                f.is_ground_content   = true;
                // Insert directly into containers
                content_t c = CONTENT_AIR;
@@ -569,22 +603,23 @@ content_t CNodeDefManager::getId(const std::string &name) const
 }
 
 
-void CNodeDefManager::getIds(const std::string &name,
+bool CNodeDefManager::getIds(const std::string &name,
                std::set<content_t> &result) const
 {
        //TimeTaker t("getIds", NULL, PRECISION_MICRO);
        if (name.substr(0,6) != "group:") {
                content_t id = CONTENT_IGNORE;
-               if(getId(name, id))
+               bool exists = getId(name, id);
+               if (exists)
                        result.insert(id);
-               return;
+               return exists;
        }
        std::string group = name.substr(6);
 
        std::map<std::string, GroupItems>::const_iterator
                i = m_group_to_items.find(group);
        if (i == m_group_to_items.end())
-               return;
+               return true;
 
        const GroupItems &items = i->second;
        for (GroupItems::const_iterator j = items.begin();
@@ -593,6 +628,7 @@ void CNodeDefManager::getIds(const std::string &name,
                        result.insert((*j).first);
        }
        //printf("getIds: %dus\n", t.stop());
+       return true;
 }
 
 
@@ -628,12 +664,13 @@ content_t CNodeDefManager::allocateId()
 // IWritableNodeDefManager
 content_t CNodeDefManager::set(const std::string &name, const ContentFeatures &def)
 {
+       // Pre-conditions
        assert(name != "");
        assert(name == def.name);
 
        // Don't allow redefining ignore (but allow air and unknown)
        if (name == "ignore") {
-               infostream << "NodeDefManager: WARNING: Ignoring "
+               warningstream << "NodeDefManager: Ignoring "
                        "CONTENT_IGNORE redefinition"<<std::endl;
                return CONTENT_IGNORE;
        }
@@ -643,7 +680,7 @@ content_t CNodeDefManager::set(const std::string &name, const ContentFeatures &d
                // Get new id
                id = allocateId();
                if (id == CONTENT_IGNORE) {
-                       infostream << "NodeDefManager: WARNING: Absolute "
+                       warningstream << "NodeDefManager: Absolute "
                                "limit reached" << std::endl;
                        return CONTENT_IGNORE;
                }
@@ -665,7 +702,7 @@ content_t CNodeDefManager::set(const std::string &name, const ContentFeatures &d
                        j = m_group_to_items.find(group_name);
                if (j == m_group_to_items.end()) {
                        m_group_to_items[group_name].push_back(
-                                       std::make_pair(id, i->second));
+                               std::make_pair(id, i->second));
                } else {
                        GroupItems &items = j->second;
                        items.push_back(std::make_pair(id, i->second));
@@ -677,7 +714,7 @@ content_t CNodeDefManager::set(const std::string &name, const ContentFeatures &d
 
 content_t CNodeDefManager::allocateDummy(const std::string &name)
 {
-       assert(name != "");
+       assert(name != "");     // Pre-condition
        ContentFeatures f;
        f.name = name;
        return set(name, f);
@@ -689,44 +726,109 @@ void CNodeDefManager::updateAliases(IItemDefManager *idef)
        std::set<std::string> all = idef->getAll();
        m_name_id_mapping_with_aliases.clear();
        for (std::set<std::string>::iterator
-                       i = all.begin(); i != all.end(); i++) {
+                       i = all.begin(); i != all.end(); ++i) {
                std::string name = *i;
                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(
-                                       std::make_pair(name, id));
+                               std::make_pair(name, id));
                }
        }
 }
 
+void CNodeDefManager::applyTextureOverrides(const std::string &override_filepath)
+{
+       infostream << "CNodeDefManager::applyTextureOverrides(): Applying "
+               "overrides to textures from " << override_filepath << std::endl;
+
+       std::ifstream infile(override_filepath.c_str());
+       std::string line;
+       int line_c = 0;
+       while (std::getline(infile, line)) {
+               line_c++;
+               if (trim(line) == "")
+                       continue;
+               std::vector<std::string> splitted = str_split(line, ' ');
+               if (splitted.size() != 3) {
+                       errorstream << override_filepath
+                               << ":" << line_c << " Could not apply texture override \""
+                               << line << "\": Syntax error" << std::endl;
+                       continue;
+               }
 
-void CNodeDefManager::updateTextures(IGameDef *gamedef)
+               content_t id;
+               if (!getId(splitted[0], id)) {
+                       errorstream << override_filepath
+                               << ":" << line_c << " Could not apply texture override \""
+                               << line << "\": Unknown node \""
+                               << splitted[0] << "\"" << std::endl;
+                       continue;
+               }
+
+               ContentFeatures &nodedef = m_content_features[id];
+
+               if (splitted[1] == "top")
+                       nodedef.tiledef[0].name = splitted[2];
+               else if (splitted[1] == "bottom")
+                       nodedef.tiledef[1].name = splitted[2];
+               else if (splitted[1] == "right")
+                       nodedef.tiledef[2].name = splitted[2];
+               else if (splitted[1] == "left")
+                       nodedef.tiledef[3].name = splitted[2];
+               else if (splitted[1] == "back")
+                       nodedef.tiledef[4].name = splitted[2];
+               else if (splitted[1] == "front")
+                       nodedef.tiledef[5].name = splitted[2];
+               else if (splitted[1] == "all" || splitted[1] == "*")
+                       for (int i = 0; i < 6; i++)
+                               nodedef.tiledef[i].name = splitted[2];
+               else if (splitted[1] == "sides")
+                       for (int i = 2; i < 6; i++)
+                               nodedef.tiledef[i].name = splitted[2];
+               else {
+                       errorstream << override_filepath
+                               << ":" << line_c << " Could not apply texture override \""
+                               << line << "\": Unknown node side \""
+                               << splitted[1] << "\"" << std::endl;
+                       continue;
+               }
+       }
+}
+
+void CNodeDefManager::updateTextures(IGameDef *gamedef,
+       void (*progress_callback)(void *progress_args, u32 progress, u32 max_progress),
+       void *progress_callback_args)
 {
 #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();
        scene::IMeshManipulator* meshmanip = smgr->getMeshManipulator();
 
-       bool new_style_water           = g_settings->getBool("new_style_water");
-       bool new_style_leaves          = g_settings->getBool("new_style_leaves");
        bool connected_glass           = g_settings->getBool("connected_glass");
        bool opaque_water              = g_settings->getBool("opaque_water");
        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 enable_mesh_cache         = g_settings->getBool("enable_mesh_cache");
+       bool enable_minimap            = g_settings->getBool("enable_minimap");
+       std::string leaves_style       = g_settings->get("leaves_style");
 
        bool use_normal_texture = enable_shaders &&
                (enable_bumpmapping || enable_parallax_occlusion);
 
-       for (u32 i = 0; i < m_content_features.size(); i++) {
+       u32 size = m_content_features.size();
+
+       for (u32 i = 0; i < size; i++) {
                ContentFeatures *f = &m_content_features[i];
 
+               // minimap pixel color - the average color of a texture
+               if (enable_minimap && f->tiledef[0].name != "")
+                       f->minimap_color = tsrc->getTextureAverageColor(f->tiledef[0].name);
+
                // Figure out the actual tiles to use
                TileDef tiledef[6];
                for (u32 j = 0; j < 6; j++) {
@@ -753,12 +855,7 @@ void CNodeDefManager::updateTextures(IGameDef *gamedef)
                        assert(f->liquid_type == LIQUID_SOURCE);
                        if (opaque_water)
                                f->alpha = 255;
-                       if (new_style_water){
-                               f->solidness = 0;
-                       } else {
-                               f->solidness = 1;
-                               f->backface_culling = false;
-                       }
+                       f->solidness = 1;
                        is_liquid = true;
                        break;
                case NDT_FLOWINGLIQUID:
@@ -786,10 +883,18 @@ void CNodeDefManager::updateTextures(IGameDef *gamedef)
                        f->visual_solidness = 1;
                        break;
                case NDT_ALLFACES_OPTIONAL:
-                       if (new_style_leaves) {
+                       if (leaves_style == "fancy") {
                                f->drawtype = NDT_ALLFACES;
                                f->solidness = 0;
                                f->visual_solidness = 1;
+                       } else if (leaves_style == "simple") {
+                               for (u32 j = 0; j < 6; j++) {
+                                       if (f->tiledef_special[j].name != "")
+                                               tiledef[j].name = f->tiledef_special[j].name;
+                               }
+                               f->drawtype = NDT_GLASSLIKE;
+                               f->solidness = 0;
+                               f->visual_solidness = 1;
                        } else {
                                f->drawtype = NDT_NORMAL;
                                f->solidness = 2;
@@ -801,17 +906,14 @@ void CNodeDefManager::updateTextures(IGameDef *gamedef)
                        break;
                case NDT_PLANTLIKE:
                        f->solidness = 0;
-                       f->backface_culling = false;
                        if (f->waving == 1)
                                material_type = TILE_MATERIAL_WAVING_PLANTS;
                        break;
                case NDT_FIRELIKE:
-                       f->backface_culling = false;
                        f->solidness = 0;
                        break;
                case NDT_MESH:
                        f->solidness = 0;
-                       f->backface_culling = false;
                        break;
                case NDT_TORCHLIKE:
                case NDT_SIGNLIKE:
@@ -843,7 +945,7 @@ void CNodeDefManager::updateTextures(IGameDef *gamedef)
                // Tiles (fill in f->tiles[])
                for (u16 j = 0; j < 6; j++) {
                        fillTileAttribs(tsrc, &f->tiles[j], &tiledef[j], tile_shader[j],
-                               use_normal_texture, f->backface_culling, f->alpha, material_type);
+                               use_normal_texture, f->tiledef[j].backface_culling, f->alpha, material_type);
                }
 
                // Special tiles (fill in f->special_tiles[])
@@ -870,7 +972,7 @@ void CNodeDefManager::updateTextures(IGameDef *gamedef)
                        //Convert regular nodebox nodes to meshnodes
                        //Change the drawtype and apply scale
                        f->drawtype = NDT_MESH;
-                       f->mesh_ptr[0] = convertNodeboxNodeToMesh(f);
+                       f->mesh_ptr[0] = convertNodeboxesToMesh(f->node_box.fixed);
                        v3f scale = v3f(1.0, 1.0, 1.0) * f->visual_scale;
                        scaleMesh(f->mesh_ptr[0], scale);
                        recalculateBoundingBox(f->mesh_ptr[0]);
@@ -897,6 +999,8 @@ void CNodeDefManager::updateTextures(IGameDef *gamedef)
                        recalculateBoundingBox(f->mesh_ptr[0]);
                        meshmanip->recalculateNormals(f->mesh_ptr[0], true, false);
                }
+
+               progress_callback(progress_callback_args, i, size);
        }
 #endif
 }
@@ -908,13 +1012,15 @@ void CNodeDefManager::fillTileAttribs(ITextureSource *tsrc, TileSpec *tile,
                bool backface_culling, u8 alpha, u8 material_type)
 {
        tile->shader_id     = shader_id;
-       tile->texture       = tsrc->getTexture(tiledef->name, &tile->texture_id);
+       tile->texture       = tsrc->getTextureForMesh(tiledef->name, &tile->texture_id);
        tile->alpha         = alpha;
        tile->material_type = material_type;
 
-       // Normal texture
-       if (use_normal_texture)
+       // Normal texture and shader flags texture
+       if (use_normal_texture) {
                tile->normal_texture = tsrc->getNormalTexture(tiledef->name);
+       }
+       tile->flags_texture = tsrc->getShaderFlagsTexture(tile->normal_texture ? true : false);
 
        // Material flags
        tile->material_flags = 0;
@@ -922,6 +1028,10 @@ void CNodeDefManager::fillTileAttribs(ITextureSource *tsrc, TileSpec *tile,
                tile->material_flags |= MATERIAL_FLAG_BACKFACE_CULLING;
        if (tiledef->animation.type == TAT_VERTICAL_FRAMES)
                tile->material_flags |= MATERIAL_FLAG_ANIMATION_VERTICAL_FRAMES;
+       if (tiledef->tileable_horizontal)
+               tile->material_flags |= MATERIAL_FLAG_TILEABLE_HORIZONTAL;
+       if (tiledef->tileable_vertical)
+               tile->material_flags |= MATERIAL_FLAG_TILEABLE_VERTICAL;
 
        // Animation parameters
        int frame_count = 1;
@@ -951,9 +1061,10 @@ void CNodeDefManager::fillTileAttribs(ITextureSource *tsrc, TileSpec *tile,
                        os << tiledef->name << "^[verticalframe:"
                                << frame_count << ":" << i;
 
-                       frame.texture = tsrc->getTexture(os.str(), &frame.texture_id);
+                       frame.texture = tsrc->getTextureForMesh(os.str(), &frame.texture_id);
                        if (tile->normal_texture)
                                frame.normal_texture = tsrc->getNormalTexture(os.str());
+                       frame.flags_texture = tile->flags_texture;
                        tile->frames[i] = frame;
                }
        }
@@ -961,7 +1072,7 @@ void CNodeDefManager::fillTileAttribs(ITextureSource *tsrc, TileSpec *tile,
 #endif
 
 
-void CNodeDefManager::serialize(std::ostream &os, u16 protocol_version)
+void CNodeDefManager::serialize(std::ostream &os, u16 protocol_version) const
 {
        writeU8(os, 1); // version
        u16 count = 0;
@@ -970,7 +1081,7 @@ void CNodeDefManager::serialize(std::ostream &os, u16 protocol_version)
                if (i == CONTENT_IGNORE || i == CONTENT_AIR
                                || i == CONTENT_UNKNOWN)
                        continue;
-               ContentFeatures *f = &m_content_features[i];
+               const ContentFeatures *f = &m_content_features[i];
                if (f->name == "")
                        continue;
                writeU16(os2, i);
@@ -980,7 +1091,9 @@ void CNodeDefManager::serialize(std::ostream &os, u16 protocol_version)
                f->serialize(wrapper_os, protocol_version);
                os2<<serializeString(wrapper_os.str());
 
-               assert(count + 1 > count); // must not overflow
+               // must not overflow
+               u16 next = count + 1;
+               FATAL_ERROR_IF(next < count, "Overflow");
                count++;
        }
        writeU16(os, count);
@@ -1007,12 +1120,12 @@ void CNodeDefManager::deSerialize(std::istream &is)
 
                // Check error conditions
                if (i == CONTENT_IGNORE || i == CONTENT_AIR || i == CONTENT_UNKNOWN) {
-                       infostream << "NodeDefManager::deSerialize(): WARNING: "
+                       warningstream << "NodeDefManager::deSerialize(): "
                                "not changing builtin node " << i << std::endl;
                        continue;
                }
                if (f.name == "") {
-                       infostream << "NodeDefManager::deSerialize(): WARNING: "
+                       warningstream << "NodeDefManager::deSerialize(): "
                                "received empty name" << std::endl;
                        continue;
                }
@@ -1020,7 +1133,7 @@ void CNodeDefManager::deSerialize(std::istream &is)
                // Ignore aliases
                u16 existing_id;
                if (m_name_id_mapping.getId(f.name, existing_id) && i != existing_id) {
-                       infostream << "NodeDefManager::deSerialize(): WARNING: "
+                       warningstream << "NodeDefManager::deSerialize(): "
                                "already defined with different ID: " << f.name << std::endl;
                        continue;
                }
@@ -1049,7 +1162,7 @@ IWritableNodeDefManager *createNodeDefManager()
 
 
 //// Serialization of old ContentFeatures formats
-void ContentFeatures::serializeOld(std::ostream &os, u16 protocol_version)
+void ContentFeatures::serializeOld(std::ostream &os, u16 protocol_version) const
 {
        if (protocol_version == 13)
        {
@@ -1057,7 +1170,7 @@ void ContentFeatures::serializeOld(std::ostream &os, u16 protocol_version)
                os<<serializeString(name);
                writeU16(os, groups.size());
                for (ItemGroupList::const_iterator
-                               i = groups.begin(); i != groups.end(); i++) {
+                               i = groups.begin(); i != groups.end(); ++i) {
                        os<<serializeString(i->first);
                        writeS16(os, i->second);
                }
@@ -1105,7 +1218,7 @@ void ContentFeatures::serializeOld(std::ostream &os, u16 protocol_version)
                os<<serializeString(name);
                writeU16(os, groups.size());
                for (ItemGroupList::const_iterator
-                       i = groups.begin(); i != groups.end(); i++) {
+                       i = groups.begin(); i != groups.end(); ++i) {
                                os<<serializeString(i->first);
                                writeS16(os, i->second);
                }
@@ -1157,7 +1270,6 @@ void ContentFeatures::serializeOld(std::ostream &os, u16 protocol_version)
                        "Unsupported version requested");
 }
 
-
 void ContentFeatures::deSerializeOld(std::istream &is, int version)
 {
        if (version == 5) // In PROTOCOL_VERSION 13
@@ -1171,15 +1283,16 @@ void ContentFeatures::deSerializeOld(std::istream &is, int version)
                        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);
+                       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);
+                       tiledef_special[i].deSerialize(is, version, drawtype);
                alpha = readU8(is);
                post_effect_color.setAlpha(readU8(is));
                post_effect_color.setRed(readU8(is));
@@ -1223,12 +1336,12 @@ void ContentFeatures::deSerializeOld(std::istream &is, int version)
                if (readU8(is) != 6)
                        throw SerializationError("unsupported tile count");
                for (u32 i = 0; i < 6; i++)
-                       tiledef[i].deSerialize(is);
+                       tiledef[i].deSerialize(is, version, drawtype);
                // CF_SPECIAL_COUNT in version 6 = 2
                if (readU8(is) != 2)
                        throw SerializationError("unsupported CF_SPECIAL_COUNT");
                for (u32 i = 0; i < 2; i++)
-                       tiledef_special[i].deSerialize(is);
+                       tiledef_special[i].deSerialize(is, version, drawtype);
                alpha = readU8(is);
                post_effect_color.setAlpha(readU8(is));
                post_effect_color.setRed(readU8(is));
@@ -1269,99 +1382,166 @@ void ContentFeatures::deSerializeOld(std::istream &is, int version)
 }
 
 
-void CNodeDefManager::pendNodeResolve(NodeResolveInfo *nri)
+inline bool CNodeDefManager::getNodeRegistrationStatus() const
 {
-       nri->resolver->m_ndef = this;
-       m_pending_node_lookups.push_back(nri);
+       return m_node_registration_complete;
 }
 
 
-void CNodeDefManager::cancelNodeResolve(NodeResolver *resolver)
+inline void CNodeDefManager::setNodeRegistrationStatus(bool completed)
 {
-       for (std::list<NodeResolveInfo *>::iterator
-                       it = m_pending_node_lookups.begin();
-                       it != m_pending_node_lookups.end();
-                       ++it) {
-               NodeResolveInfo *nri = *it;
-               if (resolver == nri->resolver) {
-                       it = m_pending_node_lookups.erase(it);
-                       delete nri;
-               }
+       m_node_registration_complete = completed;
+}
+
+
+void CNodeDefManager::pendNodeResolve(NodeResolver *nr)
+{
+       nr->m_ndef = this;
+       if (m_node_registration_complete)
+               nr->nodeResolveInternal();
+       else
+               m_pending_resolve_callbacks.push_back(nr);
+}
+
+
+bool CNodeDefManager::cancelNodeResolveCallback(NodeResolver *nr)
+{
+       size_t len = m_pending_resolve_callbacks.size();
+       for (size_t i = 0; i != len; i++) {
+               if (nr != m_pending_resolve_callbacks[i])
+                       continue;
+
+               len--;
+               m_pending_resolve_callbacks[i] = m_pending_resolve_callbacks[len];
+               m_pending_resolve_callbacks.resize(len);
+               return true;
        }
+
+       return false;
 }
 
 
-void CNodeDefManager::runNodeResolverCallbacks()
+void CNodeDefManager::runNodeResolveCallbacks()
 {
-       while (!m_pending_node_lookups.empty()) {
-               NodeResolveInfo *nri = m_pending_node_lookups.front();
-               m_pending_node_lookups.pop_front();
-               nri->resolver->resolveNodeNames(nri);
-               nri->resolver->m_lookup_done = true;
-               delete nri;
+       for (size_t i = 0; i != m_pending_resolve_callbacks.size(); i++) {
+               NodeResolver *nr = m_pending_resolve_callbacks[i];
+               nr->nodeResolveInternal();
        }
+
+       m_pending_resolve_callbacks.clear();
+}
+
+
+void CNodeDefManager::resetNodeResolveState()
+{
+       m_node_registration_complete = false;
+       m_pending_resolve_callbacks.clear();
+}
+
+
+////
+//// NodeResolver
+////
+
+NodeResolver::NodeResolver()
+{
+       m_ndef            = NULL;
+       m_nodenames_idx   = 0;
+       m_nnlistsizes_idx = 0;
+       m_resolve_done    = false;
+
+       m_nodenames.reserve(16);
+       m_nnlistsizes.reserve(4);
+}
+
+
+NodeResolver::~NodeResolver()
+{
+       if (!m_resolve_done && m_ndef)
+               m_ndef->cancelNodeResolveCallback(this);
+}
+
+
+void NodeResolver::nodeResolveInternal()
+{
+       m_nodenames_idx   = 0;
+       m_nnlistsizes_idx = 0;
+
+       resolveNodeNames();
+       m_resolve_done = true;
+
+       m_nodenames.clear();
+       m_nnlistsizes.clear();
 }
 
 
-bool CNodeDefManager::getIdFromResolveInfo(NodeResolveInfo *nri,
-       const std::string &node_alt, content_t c_fallback, content_t &result)
+bool NodeResolver::getIdFromNrBacklog(content_t *result_out,
+       const std::string &node_alt, content_t c_fallback)
 {
-       if (nri->nodenames.empty()) {
-               result = c_fallback;
-               errorstream << "CNodeDefManager::getIdFromResolveInfo: empty "
-                       "nodenames list" << std::endl;
+       if (m_nodenames_idx == m_nodenames.size()) {
+               *result_out = c_fallback;
+               errorstream << "NodeResolver: no more nodes in list" << std::endl;
                return false;
        }
 
        content_t c;
-       std::string name = nri->nodenames.front();
-       nri->nodenames.pop_front();
+       std::string name = m_nodenames[m_nodenames_idx++];
 
-       bool success = getId(name, c);
+       bool success = m_ndef->getId(name, c);
        if (!success && node_alt != "") {
                name = node_alt;
-               success = getId(name, c);
+               success = m_ndef->getId(name, c);
        }
 
        if (!success) {
-               errorstream << "CNodeDefManager::getIdFromResolveInfo: Failed to "
-                       "resolve node name '" << name << "'." << std::endl;
+               errorstream << "NodeResolver: failed to resolve node name '" << name
+                       << "'." << std::endl;
                c = c_fallback;
        }
 
-       result = c;
+       *result_out = c;
        return success;
 }
 
 
-bool CNodeDefManager::getIdsFromResolveInfo(NodeResolveInfo *nri,
-       std::vector<content_t> &result)
+bool NodeResolver::getIdsFromNrBacklog(std::vector<content_t> *result_out,
+       bool all_required, content_t c_fallback)
 {
-       if (nri->nodename_sizes.empty()) {
-               errorstream << "CNodeDefManager::getIdsFromResolveInfo: empty "
-                       "nodename_sizes list" << std::endl;
+       bool success = true;
+
+       if (m_nnlistsizes_idx == m_nnlistsizes.size()) {
+               errorstream << "NodeResolver: no more node lists" << std::endl;
                return false;
        }
 
-       size_t nitems = nri->nodename_sizes.front();
-       nri->nodename_sizes.pop_front();
+       size_t length = m_nnlistsizes[m_nnlistsizes_idx++];
 
-       while (nitems--) {
-               if (nri->nodenames.empty()) {
-                       errorstream << "" << std::endl;
+       while (length--) {
+               if (m_nodenames_idx == m_nodenames.size()) {
+                       errorstream << "NodeResolver: no more nodes in list" << std::endl;
                        return false;
                }
 
                content_t c;
-               if (getId(nri->nodenames.front(), c)) {
-                       result.push_back(c);
+               std::string &name = m_nodenames[m_nodenames_idx++];
+
+               if (name.substr(0,6) != "group:") {
+                       if (m_ndef->getId(name, c)) {
+                               result_out->push_back(c);
+                       } else if (all_required) {
+                               errorstream << "NodeResolver: failed to resolve node name '"
+                                       << name << "'." << std::endl;
+                               result_out->push_back(c_fallback);
+                               success = false;
+                       }
                } else {
-                       errorstream << "CNodeDefManager::getIdsFromResolveInfo: empty "
-                               "nodenames list" << std::endl;
+                       std::set<content_t> cids;
+                       std::set<content_t>::iterator it;
+                       m_ndef->getIds(name, cids);
+                       for (it = cids.begin(); it != cids.end(); ++it)
+                               result_out->push_back(*it);
                }
-
-               nri->nodenames.pop_front();
        }
 
-       return true;
+       return success;
 }