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- /*
- Minetest-c55
- Copyright (C) 2010-2011 celeron55, Perttu Ahola <celeron55@gmail.com>
- Copyright (C) 2011 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 "base64.h" // WIKI IMAGE EXTRACT
- #include <string>
- #include <iostream>
- #include <algorithm>
- #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 "util/serialize.h"
- #include <map>
- #include <set>
- /*
- 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;
- #ifndef SERVER
- inventory_texture = def.inventory_texture;
- if(def.wield_mesh)
- {
- wield_mesh = def.wield_mesh;
- wield_mesh->grab();
- }
- #endif
- return *this;
- }
- ItemDefinition::~ItemDefinition()
- {
- reset();
- }
- void ItemDefinition::resetInitial()
- {
- // Initialize pointers to NULL so reset() does not delete undefined pointers
- tool_capabilities = NULL;
- #ifndef SERVER
- inventory_texture = NULL;
- wield_mesh = NULL;
- #endif
- 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();
- node_placement_prediction = "";
- #ifndef SERVER
- inventory_texture = NULL;
- if(wield_mesh)
- {
- wield_mesh->drop();
- wield_mesh = NULL;
- }
- #endif
- }
- void ItemDefinition::serialize(std::ostream &os) const
- {
- writeU8(os, 1); // 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);
- 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);
- }
- void ItemDefinition::deSerialize(std::istream &is)
- {
- // Reset everything
- reset();
- // Deserialize
- int version = readU8(is);
- if(version != 1)
- 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 you add anything here, insert it primarily inside the try-catch
- // block to not need to increase the version.
- try{
- node_placement_prediction = deSerializeString(is);
- }catch(SerializationError &e) {};
- }
- /*
- CItemDefManager
- */
- // SUGG: Support chains of aliases?
- class CItemDefManager: public IWritableItemDefManager
- {
- public:
- CItemDefManager()
- {
- clear();
- }
- virtual ~CItemDefManager()
- {
- }
- 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();
- }
- 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
- // "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->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;
- }
- }
- virtual void updateTexturesAndMeshes(IGameDef *gamedef)
- {
- #ifndef SERVER
- infostream<<"ItemDefManager::updateTexturesAndMeshes(): Updating "
- <<"textures and meshes in item definitions"<<std::endl;
- ITextureSource *tsrc = gamedef->getTextureSource();
- INodeDefManager *nodedef = gamedef->getNodeDefManager();
- IrrlichtDevice *device = tsrc->getDevice();
- video::IVideoDriver *driver = device->getVideoDriver();
- for(std::map<std::string, ItemDefinition*>::iterator
- i = m_item_definitions.begin();
- i != m_item_definitions.end(); i++)
- {
- ItemDefinition *def = i->second;
- bool need_node_mesh = false;
- // Create an inventory texture
- def->inventory_texture = NULL;
- if(def->inventory_image != "")
- {
- def->inventory_texture = tsrc->getTextureRaw(def->inventory_image);
- }
- else if(def->type == ITEM_NODE)
- {
- need_node_mesh = true;
- }
- // Create a wield mesh
- if(def->wield_mesh != NULL)
- {
- def->wield_mesh->drop();
- def->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;
- def->wield_mesh = createExtrudedMesh(
- tsrc->getTextureRaw(imagename),
- driver,
- def->wield_scale * v3f(40.0, 40.0, 4.0));
- if(def->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
- */
- 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);
- scene::IMesh *node_mesh = mapblock_mesh.getMesh();
- assert(node_mesh);
- setMeshColor(node_mesh, video::SColor(255, 255, 255, 255));
- /*
- 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(def->inventory_texture == NULL)
- {
- core::dimension2d<u32> dim(64,64);
- std::string rtt_texture_name = "INVENTORY_"
- + def->name + "_RTT";
- v3f camera_position(0, 1.0, -1.5);
- camera_position.rotateXZBy(45);
- v3f camera_lookat(0, 0, 0);
- core::CMatrix4<f32> camera_projection_matrix;
- // Set orthogonal projection
- camera_projection_matrix.buildProjectionMatrixOrthoLH(
- 1.65, 1.65, 0, 100);
- video::SColorf ambient_light(0.2,0.2,0.2);
- v3f light_position(10, 100, -50);
- video::SColorf light_color(0.5,0.5,0.5);
- f32 light_radius = 1000;
- def->inventory_texture = generateTextureFromMesh(
- node_mesh, device, dim, rtt_texture_name,
- camera_position,
- camera_lookat,
- camera_projection_matrix,
- ambient_light,
- light_position,
- light_color,
- light_radius);
- // render-to-target didn't work
- if(def->inventory_texture == NULL)
- {
- def->inventory_texture =
- tsrc->getTextureRaw(f.tiledef[0].name);
- }
- // BEGIN WIKI IMAGE EXTRACT
- using std::string;
- using std::cout;
- using std::endl;
- using std::replace;
- infostream<<"WIKI IMAGE EXTRACT: def->name = '"<<def->name<<"'"<<std::endl;
- if (def->inventory_texture != NULL) {
- video::IImage* wiki_image = driver->createImageFromData (
- def->inventory_texture->getColorFormat(),
- def->inventory_texture->getSize(),
- def->inventory_texture->lock(),
- false //copy mem
- );
- def->inventory_texture->unlock();
- if(wiki_image != NULL) {
- //std::string se = def->name;
- //for (int i = 0; i < se.length(); ++i) if (se[i] == ':') se[i] = '_';
- //std::string se = base64_encode(reinterpret_cast<const unsigned char*>(def->name.c_str()), def->name.length());
- string se(def->name);
- replace(se.begin(), se.end(), ':', '-');
- infostream<<"se = '"<<se<<"'"<<std::endl;
- irr::c8 filename[200];
- infostream<<"1"<<std::endl;
- snprintf(filename, 200, "itemcubes/%s.png", se);
- infostream<<"2"<<std::endl;
- driver->writeImageToFile(wiki_image, filename);
- infostream<<"3"<<std::endl;
- wiki_image->drop();
- infostream<<"4"<<std::endl;
- }
- }
- // END WIKI IMAGE EXTRACT
- }
- /*
- Use the node mesh as the wield mesh
- */
- if(def->wield_mesh == NULL)
- {
- // Scale to proper wield mesh proportions
- scaleMesh(node_mesh, v3f(30.0, 30.0, 30.0)
- * def->wield_scale);
- def->wield_mesh = node_mesh;
- def->wield_mesh->grab();
- }
- // falling outside of here deletes node_mesh
- }
- }
- #endif
- }
- void serialize(std::ostream &os)
- {
- 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);
- 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);
- }
- }
- private:
- // Key is name
- std::map<std::string, ItemDefinition*> m_item_definitions;
- // Aliases
- std::map<std::string, std::string> m_aliases;
- };
- IWritableItemDefManager* createItemDefManager()
- {
- return new CItemDefManager();
- }
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