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- /*
- Minetest
- Copyright (C) 2010-2013 celeron55, Perttu Ahola <celeron55@gmail.com>
- Copyright (C) 2013 Kahrl <kahrl@gmx.net>
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU Lesser General Public License as published by
- the Free Software Foundation; either version 2.1 of the License, or
- (at your option) any later version.
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU Lesser General Public License for more details.
- You should have received a copy of the GNU Lesser General Public License along
- with this program; if not, write to the Free Software Foundation, Inc.,
- 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- */
- #include "itemdef.h"
- #include "gamedef.h"
- #include "nodedef.h"
- #include "tool.h"
- #include "inventory.h"
- #ifndef SERVER
- #include "mapblock_mesh.h"
- #include "mesh.h"
- #include "tile.h"
- #endif
- #include "log.h"
- #include "main.h" // g_settings
- #include "settings.h"
- #include "util/serialize.h"
- #include "util/container.h"
- #include "util/thread.h"
- #include <map>
- #include <set>
- #ifdef __ANDROID__
- #include <GLES/gl.h>
- #endif
- /*
- ItemDefinition
- */
- ItemDefinition::ItemDefinition()
- {
- resetInitial();
- }
- ItemDefinition::ItemDefinition(const ItemDefinition &def)
- {
- resetInitial();
- *this = def;
- }
- ItemDefinition& ItemDefinition::operator=(const ItemDefinition &def)
- {
- if(this == &def)
- return *this;
- reset();
- type = def.type;
- name = def.name;
- description = def.description;
- inventory_image = def.inventory_image;
- wield_image = def.wield_image;
- wield_scale = def.wield_scale;
- stack_max = def.stack_max;
- usable = def.usable;
- liquids_pointable = def.liquids_pointable;
- if(def.tool_capabilities)
- {
- tool_capabilities = new ToolCapabilities(
- *def.tool_capabilities);
- }
- groups = def.groups;
- node_placement_prediction = def.node_placement_prediction;
- sound_place = def.sound_place;
- range = def.range;
- return *this;
- }
- ItemDefinition::~ItemDefinition()
- {
- reset();
- }
- void ItemDefinition::resetInitial()
- {
- // Initialize pointers to NULL so reset() does not delete undefined pointers
- tool_capabilities = NULL;
- reset();
- }
- void ItemDefinition::reset()
- {
- type = ITEM_NONE;
- name = "";
- description = "";
- inventory_image = "";
- wield_image = "";
- wield_scale = v3f(1.0, 1.0, 1.0);
- stack_max = 99;
- usable = false;
- liquids_pointable = false;
- if(tool_capabilities)
- {
- delete tool_capabilities;
- tool_capabilities = NULL;
- }
- groups.clear();
- sound_place = SimpleSoundSpec();
- range = -1;
- node_placement_prediction = "";
- }
- void ItemDefinition::serialize(std::ostream &os, u16 protocol_version) const
- {
- if(protocol_version <= 17)
- writeU8(os, 1); // version
- else if(protocol_version <= 20)
- writeU8(os, 2); // version
- else
- writeU8(os, 3); // version
- writeU8(os, type);
- os<<serializeString(name);
- os<<serializeString(description);
- os<<serializeString(inventory_image);
- os<<serializeString(wield_image);
- writeV3F1000(os, wield_scale);
- writeS16(os, stack_max);
- writeU8(os, usable);
- writeU8(os, liquids_pointable);
- std::string tool_capabilities_s = "";
- if(tool_capabilities){
- std::ostringstream tmp_os(std::ios::binary);
- tool_capabilities->serialize(tmp_os, protocol_version);
- tool_capabilities_s = tmp_os.str();
- }
- os<<serializeString(tool_capabilities_s);
- writeU16(os, groups.size());
- for(std::map<std::string, int>::const_iterator
- i = groups.begin(); i != groups.end(); i++){
- os<<serializeString(i->first);
- writeS16(os, i->second);
- }
- os<<serializeString(node_placement_prediction);
- if(protocol_version > 17){
- //serializeSimpleSoundSpec(sound_place, os);
- os<<serializeString(sound_place.name);
- writeF1000(os, sound_place.gain);
- }
- if(protocol_version > 20){
- writeF1000(os, range);
- }
- }
- void ItemDefinition::deSerialize(std::istream &is)
- {
- // Reset everything
- reset();
- // Deserialize
- int version = readU8(is);
- if(version < 1 || version > 3)
- throw SerializationError("unsupported ItemDefinition version");
- type = (enum ItemType)readU8(is);
- name = deSerializeString(is);
- description = deSerializeString(is);
- inventory_image = deSerializeString(is);
- wield_image = deSerializeString(is);
- wield_scale = readV3F1000(is);
- stack_max = readS16(is);
- usable = readU8(is);
- liquids_pointable = readU8(is);
- std::string tool_capabilities_s = deSerializeString(is);
- if(!tool_capabilities_s.empty())
- {
- std::istringstream tmp_is(tool_capabilities_s, std::ios::binary);
- tool_capabilities = new ToolCapabilities;
- tool_capabilities->deSerialize(tmp_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;
- }
- if(version == 1){
- // We cant be sure that node_placement_prediction is send in version 1
- try{
- node_placement_prediction = deSerializeString(is);
- }catch(SerializationError &e) {};
- // Set the old default sound
- sound_place.name = "default_place_node";
- sound_place.gain = 0.5;
- } else if(version >= 2) {
- node_placement_prediction = deSerializeString(is);
- //deserializeSimpleSoundSpec(sound_place, is);
- sound_place.name = deSerializeString(is);
- sound_place.gain = readF1000(is);
- }
- if(version == 3) {
- range = readF1000(is);
- }
- // If you add anything here, insert it primarily inside the try-catch
- // block to not need to increase the version.
- try{
- }catch(SerializationError &e) {};
- }
- /*
- CItemDefManager
- */
- // SUGG: Support chains of aliases?
- class CItemDefManager: public IWritableItemDefManager
- {
- #ifndef SERVER
- struct ClientCached
- {
- video::ITexture *inventory_texture;
- scene::IMesh *wield_mesh;
- ClientCached():
- inventory_texture(NULL),
- wield_mesh(NULL)
- {}
- };
- #endif
- public:
- CItemDefManager()
- {
- #ifndef SERVER
- m_main_thread = get_current_thread_id();
- #endif
- clear();
- }
- virtual ~CItemDefManager()
- {
- #ifndef SERVER
- const std::list<ClientCached*> &values = m_clientcached.getValues();
- for(std::list<ClientCached*>::const_iterator
- i = values.begin(); i != values.end(); ++i)
- {
- ClientCached *cc = *i;
- if (cc->wield_mesh)
- cc->wield_mesh->drop();
- delete cc;
- }
- #endif
- for (std::map<std::string, ItemDefinition*>::iterator iter =
- m_item_definitions.begin(); iter != m_item_definitions.end();
- iter ++) {
- delete iter->second;
- }
- m_item_definitions.clear();
- }
- virtual const ItemDefinition& get(const std::string &name_) const
- {
- // Convert name according to possible alias
- std::string name = getAlias(name_);
- // Get the definition
- std::map<std::string, ItemDefinition*>::const_iterator i;
- i = m_item_definitions.find(name);
- if(i == m_item_definitions.end())
- i = m_item_definitions.find("unknown");
- assert(i != m_item_definitions.end());
- return *(i->second);
- }
- virtual std::string getAlias(const std::string &name) const
- {
- std::map<std::string, std::string>::const_iterator i;
- i = m_aliases.find(name);
- if(i != m_aliases.end())
- return i->second;
- return name;
- }
- virtual std::set<std::string> getAll() const
- {
- std::set<std::string> result;
- for(std::map<std::string, ItemDefinition*>::const_iterator
- i = m_item_definitions.begin();
- i != m_item_definitions.end(); i++)
- {
- result.insert(i->first);
- }
- for(std::map<std::string, std::string>::const_iterator
- i = m_aliases.begin();
- i != m_aliases.end(); i++)
- {
- result.insert(i->first);
- }
- return result;
- }
- virtual bool isKnown(const std::string &name_) const
- {
- // Convert name according to possible alias
- std::string name = getAlias(name_);
- // Get the definition
- std::map<std::string, ItemDefinition*>::const_iterator i;
- return m_item_definitions.find(name) != m_item_definitions.end();
- }
- #ifndef SERVER
- public:
- ClientCached* createClientCachedDirect(const std::string &name,
- IGameDef *gamedef) const
- {
- infostream<<"Lazily creating item texture and mesh for \""
- <<name<<"\""<<std::endl;
- // This is not thread-safe
- assert(get_current_thread_id() == m_main_thread);
- // Skip if already in cache
- ClientCached *cc = NULL;
- m_clientcached.get(name, &cc);
- if(cc)
- return cc;
- ITextureSource *tsrc = gamedef->getTextureSource();
- INodeDefManager *nodedef = gamedef->getNodeDefManager();
- IrrlichtDevice *device = tsrc->getDevice();
- video::IVideoDriver *driver = device->getVideoDriver();
- const ItemDefinition *def = &get(name);
- // Create new ClientCached
- cc = new ClientCached();
- bool need_node_mesh = false;
- // Create an inventory texture
- cc->inventory_texture = NULL;
- if(def->inventory_image != "")
- {
- cc->inventory_texture = tsrc->getTexture(def->inventory_image);
- }
- else if(def->type == ITEM_NODE)
- {
- need_node_mesh = true;
- }
- // Create a wield mesh
- assert(cc->wield_mesh == NULL);
- if(def->type == ITEM_NODE && def->wield_image == "")
- {
- need_node_mesh = true;
- }
- else if(def->wield_image != "" || def->inventory_image != "")
- {
- // Extrude the wield image into a mesh
- std::string imagename;
- if(def->wield_image != "")
- imagename = def->wield_image;
- else
- imagename = def->inventory_image;
- cc->wield_mesh = createExtrudedMesh(
- tsrc->getTexture(imagename),
- driver,
- def->wield_scale * v3f(40.0, 40.0, 4.0));
- if(cc->wield_mesh == NULL)
- {
- infostream<<"ItemDefManager: WARNING: "
- <<"updateTexturesAndMeshes(): "
- <<"Unable to create extruded mesh for item "
- <<def->name<<std::endl;
- }
- }
- if(need_node_mesh)
- {
- /*
- Get node properties
- */
- content_t id = nodedef->getId(def->name);
- const ContentFeatures &f = nodedef->get(id);
- u8 param1 = 0;
- if(f.param_type == CPT_LIGHT)
- param1 = 0xee;
- /*
- Make a mesh from the node
- */
- bool reenable_shaders = false;
- if(g_settings->getBool("enable_shaders")){
- reenable_shaders = true;
- g_settings->setBool("enable_shaders",false);
- }
- MeshMakeData mesh_make_data(gamedef);
- MapNode mesh_make_node(id, param1, 0);
- mesh_make_data.fillSingleNode(&mesh_make_node);
- MapBlockMesh mapblock_mesh(&mesh_make_data, v3s16(0, 0, 0));
- scene::IMesh *node_mesh = mapblock_mesh.getMesh();
- assert(node_mesh);
- video::SColor c(255, 255, 255, 255);
- setMeshColor(node_mesh, c);
- /*
- Scale and translate the mesh so it's a unit cube
- centered on the origin
- */
- scaleMesh(node_mesh, v3f(1.0/BS, 1.0/BS, 1.0/BS));
- translateMesh(node_mesh, v3f(-1.0, -1.0, -1.0));
- /*
- Draw node mesh into a render target texture
- */
- if(cc->inventory_texture == NULL)
- {
- TextureFromMeshParams params;
- params.mesh = node_mesh;
- params.dim.set(64, 64);
- params.rtt_texture_name = "INVENTORY_"
- + def->name + "_RTT";
- params.delete_texture_on_shutdown = true;
- params.camera_position.set(0, 1.0, -1.5);
- params.camera_position.rotateXZBy(45);
- params.camera_lookat.set(0, 0, 0);
- // Set orthogonal projection
- params.camera_projection_matrix.buildProjectionMatrixOrthoLH(
- 1.65, 1.65, 0, 100);
- params.ambient_light.set(1.0, 0.2, 0.2, 0.2);
- params.light_position.set(10, 100, -50);
- params.light_color.set(1.0, 0.5, 0.5, 0.5);
- params.light_radius = 1000;
- #ifdef __ANDROID__
- params.camera_position.set(0, -1.0, -1.5);
- params.camera_position.rotateXZBy(45);
- params.light_position.set(10, -100, -50);
- #endif
- cc->inventory_texture =
- tsrc->generateTextureFromMesh(params);
- // render-to-target didn't work
- if(cc->inventory_texture == NULL)
- {
- cc->inventory_texture =
- tsrc->getTexture(f.tiledef[0].name);
- }
- }
- /*
- Use the node mesh as the wield mesh
- */
- // Scale to proper wield mesh proportions
- scaleMesh(node_mesh, v3f(30.0, 30.0, 30.0)
- * def->wield_scale);
- cc->wield_mesh = node_mesh;
- cc->wield_mesh->grab();
- //no way reference count can be smaller than 2 in this place!
- assert(cc->wield_mesh->getReferenceCount() >= 2);
- if (reenable_shaders)
- g_settings->setBool("enable_shaders",true);
- }
- // Put in cache
- m_clientcached.set(name, cc);
- return cc;
- }
- ClientCached* getClientCached(const std::string &name,
- IGameDef *gamedef) const
- {
- ClientCached *cc = NULL;
- m_clientcached.get(name, &cc);
- if(cc)
- return cc;
- if(get_current_thread_id() == m_main_thread)
- {
- return createClientCachedDirect(name, gamedef);
- }
- else
- {
- // We're gonna ask the result to be put into here
- static ResultQueue<std::string, ClientCached*, u8, u8> result_queue;
- // Throw a request in
- m_get_clientcached_queue.add(name, 0, 0, &result_queue);
- try{
- while(true) {
- // Wait result for a second
- GetResult<std::string, ClientCached*, u8, u8>
- result = result_queue.pop_front(1000);
- if (result.key == name) {
- return result.item;
- }
- }
- }
- catch(ItemNotFoundException &e)
- {
- errorstream<<"Waiting for clientcached " << name << " timed out."<<std::endl;
- return &m_dummy_clientcached;
- }
- }
- }
- // Get item inventory texture
- virtual video::ITexture* getInventoryTexture(const std::string &name,
- IGameDef *gamedef) const
- {
- ClientCached *cc = getClientCached(name, gamedef);
- if(!cc)
- return NULL;
- return cc->inventory_texture;
- }
- // Get item wield mesh
- virtual scene::IMesh* getWieldMesh(const std::string &name,
- IGameDef *gamedef) const
- {
- ClientCached *cc = getClientCached(name, gamedef);
- if(!cc)
- return NULL;
- return cc->wield_mesh;
- }
- #endif
- void clear()
- {
- for(std::map<std::string, ItemDefinition*>::const_iterator
- i = m_item_definitions.begin();
- i != m_item_definitions.end(); i++)
- {
- delete i->second;
- }
- m_item_definitions.clear();
- m_aliases.clear();
- // Add the four builtin items:
- // "" is the hand
- // "unknown" is returned whenever an undefined item
- // is accessed (is also the unknown node)
- // "air" is the air node
- // "ignore" is the ignore node
- ItemDefinition* hand_def = new ItemDefinition;
- hand_def->name = "";
- hand_def->wield_image = "wieldhand.png";
- hand_def->tool_capabilities = new ToolCapabilities;
- m_item_definitions.insert(std::make_pair("", hand_def));
- ItemDefinition* unknown_def = new ItemDefinition;
- unknown_def->type = ITEM_NODE;
- unknown_def->name = "unknown";
- m_item_definitions.insert(std::make_pair("unknown", unknown_def));
- ItemDefinition* air_def = new ItemDefinition;
- air_def->type = ITEM_NODE;
- air_def->name = "air";
- m_item_definitions.insert(std::make_pair("air", air_def));
- ItemDefinition* ignore_def = new ItemDefinition;
- ignore_def->type = ITEM_NODE;
- ignore_def->name = "ignore";
- m_item_definitions.insert(std::make_pair("ignore", ignore_def));
- }
- virtual void registerItem(const ItemDefinition &def)
- {
- verbosestream<<"ItemDefManager: registering \""<<def.name<<"\""<<std::endl;
- // Ensure that the "" item (the hand) always has ToolCapabilities
- if(def.name == "")
- assert(def.tool_capabilities != NULL);
- if(m_item_definitions.count(def.name) == 0)
- m_item_definitions[def.name] = new ItemDefinition(def);
- else
- *(m_item_definitions[def.name]) = def;
- // Remove conflicting alias if it exists
- bool alias_removed = (m_aliases.erase(def.name) != 0);
- if(alias_removed)
- infostream<<"ItemDefManager: erased alias "<<def.name
- <<" because item was defined"<<std::endl;
- }
- virtual void registerAlias(const std::string &name,
- const std::string &convert_to)
- {
- if(m_item_definitions.find(name) == m_item_definitions.end())
- {
- verbosestream<<"ItemDefManager: setting alias "<<name
- <<" -> "<<convert_to<<std::endl;
- m_aliases[name] = convert_to;
- }
- }
- void serialize(std::ostream &os, u16 protocol_version)
- {
- writeU8(os, 0); // version
- u16 count = m_item_definitions.size();
- writeU16(os, count);
- for(std::map<std::string, ItemDefinition*>::const_iterator
- i = m_item_definitions.begin();
- i != m_item_definitions.end(); i++)
- {
- ItemDefinition *def = i->second;
- // Serialize ItemDefinition and write wrapped in a string
- std::ostringstream tmp_os(std::ios::binary);
- def->serialize(tmp_os, protocol_version);
- os<<serializeString(tmp_os.str());
- }
- writeU16(os, m_aliases.size());
- for(std::map<std::string, std::string>::const_iterator
- i = m_aliases.begin(); i != m_aliases.end(); i++)
- {
- os<<serializeString(i->first);
- os<<serializeString(i->second);
- }
- }
- void deSerialize(std::istream &is)
- {
- // Clear everything
- clear();
- // Deserialize
- int version = readU8(is);
- if(version != 0)
- throw SerializationError("unsupported ItemDefManager version");
- u16 count = readU16(is);
- for(u16 i=0; i<count; i++)
- {
- // Deserialize a string and grab an ItemDefinition from it
- std::istringstream tmp_is(deSerializeString(is), std::ios::binary);
- ItemDefinition def;
- def.deSerialize(tmp_is);
- // Register
- registerItem(def);
- }
- u16 num_aliases = readU16(is);
- for(u16 i=0; i<num_aliases; i++)
- {
- std::string name = deSerializeString(is);
- std::string convert_to = deSerializeString(is);
- registerAlias(name, convert_to);
- }
- }
- void processQueue(IGameDef *gamedef)
- {
- #ifndef SERVER
- //NOTE this is only thread safe for ONE consumer thread!
- while(!m_get_clientcached_queue.empty())
- {
- GetRequest<std::string, ClientCached*, u8, u8>
- request = m_get_clientcached_queue.pop();
- m_get_clientcached_queue.pushResult(request,
- createClientCachedDirect(request.key, gamedef));
- }
- #endif
- }
- private:
- // Key is name
- std::map<std::string, ItemDefinition*> m_item_definitions;
- // Aliases
- std::map<std::string, std::string> m_aliases;
- #ifndef SERVER
- // The id of the thread that is allowed to use irrlicht directly
- threadid_t m_main_thread;
- // A reference to this can be returned when nothing is found, to avoid NULLs
- mutable ClientCached m_dummy_clientcached;
- // Cached textures and meshes
- mutable MutexedMap<std::string, ClientCached*> m_clientcached;
- // Queued clientcached fetches (to be processed by the main thread)
- mutable RequestQueue<std::string, ClientCached*, u8, u8> m_get_clientcached_queue;
- #endif
- };
- IWritableItemDefManager* createItemDefManager()
- {
- return new CItemDefManager();
- }
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