minetest/src/nodedef.cpp

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/*
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Minetest
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Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
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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
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(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.
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You should have received a copy of the GNU Lesser General Public License along
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with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "nodedef.h"
#include "main.h" // For g_settings
#include "itemdef.h"
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#ifndef SERVER
#include "tile.h"
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#include "mesh.h"
#include <IMeshManipulator.h>
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#endif
#include "log.h"
#include "settings.h"
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#include "nameidmapping.h"
#include "util/numeric.h"
#include "util/serialize.h"
#include "exceptions.h"
#include "debug.h"
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#include "gamedef.h"
/*
NodeBox
*/
void NodeBox::reset()
{
type = NODEBOX_REGULAR;
// default is empty
fixed.clear();
// default is sign/ladder-like
wall_top = aabb3f(-BS/2, BS/2-BS/16., -BS/2, BS/2, BS/2, BS/2);
wall_bottom = aabb3f(-BS/2, -BS/2, -BS/2, BS/2, -BS/2+BS/16., BS/2);
wall_side = aabb3f(-BS/2, -BS/2, -BS/2, -BS/2+BS/16., BS/2, BS/2);
}
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void NodeBox::serialize(std::ostream &os, u16 protocol_version) const
{
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int version = protocol_version >= 21 ? 2 : 1;
writeU8(os, version);
if (version == 1 && type == NODEBOX_LEVELED)
writeU8(os, NODEBOX_FIXED);
else
writeU8(os, type);
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if(type == NODEBOX_FIXED || type == NODEBOX_LEVELED)
{
writeU16(os, fixed.size());
for(std::vector<aabb3f>::const_iterator
i = fixed.begin();
i != fixed.end(); i++)
{
writeV3F1000(os, i->MinEdge);
writeV3F1000(os, i->MaxEdge);
}
}
else if(type == NODEBOX_WALLMOUNTED)
{
writeV3F1000(os, wall_top.MinEdge);
writeV3F1000(os, wall_top.MaxEdge);
writeV3F1000(os, wall_bottom.MinEdge);
writeV3F1000(os, wall_bottom.MaxEdge);
writeV3F1000(os, wall_side.MinEdge);
writeV3F1000(os, wall_side.MaxEdge);
}
}
void NodeBox::deSerialize(std::istream &is)
{
int version = readU8(is);
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if(version < 1 || version > 2)
throw SerializationError("unsupported NodeBox version");
reset();
type = (enum NodeBoxType)readU8(is);
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if(type == NODEBOX_FIXED || type == NODEBOX_LEVELED)
{
u16 fixed_count = readU16(is);
while(fixed_count--)
{
aabb3f box;
box.MinEdge = readV3F1000(is);
box.MaxEdge = readV3F1000(is);
fixed.push_back(box);
}
}
else if(type == NODEBOX_WALLMOUNTED)
{
wall_top.MinEdge = readV3F1000(is);
wall_top.MaxEdge = readV3F1000(is);
wall_bottom.MinEdge = readV3F1000(is);
wall_bottom.MaxEdge = readV3F1000(is);
wall_side.MinEdge = readV3F1000(is);
wall_side.MaxEdge = readV3F1000(is);
}
}
/*
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TileDef
*/
void TileDef::serialize(std::ostream &os, u16 protocol_version) const
{
if(protocol_version >= 17)
writeU8(os, 1);
else
writeU8(os, 0);
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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);
}
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void TileDef::deSerialize(std::istream &is)
{
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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);
if(version >= 1)
backface_culling = readU8(is);
}
/*
SimpleSoundSpec serialization
*/
static void serializeSimpleSoundSpec(const SimpleSoundSpec &ss,
std::ostream &os)
{
os<<serializeString(ss.name);
writeF1000(os, ss.gain);
}
static void deSerializeSimpleSoundSpec(SimpleSoundSpec &ss, std::istream &is)
{
ss.name = deSerializeString(is);
ss.gain = readF1000(is);
}
/*
ContentFeatures
*/
ContentFeatures::ContentFeatures()
{
reset();
}
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ContentFeatures::~ContentFeatures()
{
}
void ContentFeatures::reset()
{
/*
Cached stuff
*/
#ifndef SERVER
solidness = 2;
visual_solidness = 0;
backface_culling = true;
#endif
has_on_construct = false;
has_on_destruct = false;
has_after_destruct = false;
/*
Actual data
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NOTE: Most of this is always overridden by the default values given
in builtin.lua
*/
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name = "";
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groups.clear();
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// Unknown nodes can be dug
groups["dig_immediate"] = 2;
drawtype = NDT_NORMAL;
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mesh = "";
#ifndef SERVER
for(u32 i = 0; i < 24; i++)
mesh_ptr[i] = NULL;
#endif
visual_scale = 1.0;
for(u32 i = 0; i < 6; i++)
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tiledef[i] = TileDef();
for(u16 j = 0; j < CF_SPECIAL_COUNT; j++)
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tiledef_special[j] = TileDef();
alpha = 255;
post_effect_color = video::SColor(0, 0, 0, 0);
param_type = CPT_NONE;
param_type_2 = CPT2_NONE;
is_ground_content = false;
light_propagates = false;
sunlight_propagates = false;
walkable = true;
pointable = true;
diggable = true;
climbable = false;
buildable_to = false;
rightclickable = true;
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leveled = 0;
liquid_type = LIQUID_NONE;
liquid_alternative_flowing = "";
liquid_alternative_source = "";
liquid_viscosity = 0;
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liquid_renewable = true;
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freezemelt = "";
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liquid_range = LIQUID_LEVEL_MAX+1;
drowning = 0;
light_source = 0;
damage_per_second = 0;
node_box = NodeBox();
selection_box = NodeBox();
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collision_box = NodeBox();
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waving = 0;
legacy_facedir_simple = false;
legacy_wallmounted = false;
sound_footstep = SimpleSoundSpec();
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sound_dig = SimpleSoundSpec("__group");
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sound_dug = SimpleSoundSpec();
}
void ContentFeatures::serialize(std::ostream &os, u16 protocol_version)
{
if(protocol_version < 24){
serializeOld(os, protocol_version);
return;
}
writeU8(os, 7); // version
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os<<serializeString(name);
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writeU16(os, groups.size());
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for(ItemGroupList::const_iterator
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i = groups.begin(); i != groups.end(); i++){
os<<serializeString(i->first);
writeS16(os, i->second);
}
writeU8(os, drawtype);
writeF1000(os, visual_scale);
writeU8(os, 6);
for(u32 i = 0; i < 6; i++)
tiledef[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());
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);
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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, liquid_renewable);
writeU8(os, light_source);
writeU32(os, damage_per_second);
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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);
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serializeSimpleSoundSpec(sound_dig, os);
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serializeSimpleSoundSpec(sound_dug, os);
writeU8(os, rightclickable);
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writeU8(os, drowning);
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writeU8(os, leveled);
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writeU8(os, liquid_range);
writeU8(os, waving);
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// Stuff below should be moved to correct place in a version that otherwise changes
// the protocol version
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os<<serializeString(mesh);
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collision_box.serialize(os, protocol_version);
}
void ContentFeatures::deSerialize(std::istream &is)
{
int version = readU8(is);
if(version != 7){
deSerializeOld(is, version);
return;
}
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;
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}
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);
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);
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);
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);
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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
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mesh = deSerializeString(is);
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collision_box.deSerialize(is);
}catch(SerializationError &e) {};
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}
/*
CNodeDefManager
*/
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class CNodeDefManager: public IWritableNodeDefManager {
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public:
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CNodeDefManager();
virtual ~CNodeDefManager();
void clear();
virtual IWritableNodeDefManager *clone();
inline virtual const ContentFeatures& get(content_t c) const;
inline virtual const ContentFeatures& get(const MapNode &n) const;
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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 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);
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virtual void updateTextures(IGameDef *gamedef);
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void serialize(std::ostream &os, u16 protocol_version);
void deSerialize(std::istream &is);
virtual void pendNodeResolve(NodeResolveInfo *nri);
virtual void cancelNodeResolve(NodeResolver *resolver);
virtual void runNodeResolverCallbacks();
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);
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private:
void addNameIdMapping(content_t i, std::string name);
#ifndef SERVER
void fillTileAttribs(ITextureSource *tsrc, TileSpec *tile, TileDef *tiledef,
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u32 shader_id, bool use_normal_texture, bool backface_culling,
u8 alpha, u8 material_type);
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#endif
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// Features indexed by id
std::vector<ContentFeatures> m_content_features;
// A mapping for fast converting back and forth between names and ids
NameIdMapping m_name_id_mapping;
// Like m_name_id_mapping, but only from names to ids, and includes
// item aliases too. Updated by updateAliases()
// Note: Not serialized.
std::map<std::string, content_t> m_name_id_mapping_with_aliases;
// A mapping from groups to a list of content_ts (and their levels)
// that belong to it. Necessary for a direct lookup in getIds().
// Note: Not serialized.
std::map<std::string, GroupItems> m_group_to_items;
// 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;
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};
CNodeDefManager::CNodeDefManager()
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{
clear();
}
CNodeDefManager::~CNodeDefManager()
{
#ifndef SERVER
for (u32 i = 0; i < m_content_features.size(); i++) {
ContentFeatures *f = &m_content_features[i];
for (u32 j = 0; j < 24; j++) {
if (f->mesh_ptr[j])
f->mesh_ptr[j]->drop();
}
}
#endif
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}
void CNodeDefManager::clear()
{
m_content_features.clear();
m_name_id_mapping.clear();
m_name_id_mapping_with_aliases.clear();
m_group_to_items.clear();
m_next_id = 0;
u32 initial_length = 0;
initial_length = MYMAX(initial_length, CONTENT_UNKNOWN + 1);
initial_length = MYMAX(initial_length, CONTENT_AIR + 1);
initial_length = MYMAX(initial_length, CONTENT_IGNORE + 1);
m_content_features.resize(initial_length);
// Set CONTENT_UNKNOWN
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{
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ContentFeatures f;
f.name = "unknown";
// Insert directly into containers
content_t c = CONTENT_UNKNOWN;
m_content_features[c] = f;
addNameIdMapping(c, f.name);
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}
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// Set CONTENT_AIR
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{
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ContentFeatures f;
f.name = "air";
f.drawtype = NDT_AIRLIKE;
f.param_type = CPT_LIGHT;
f.light_propagates = true;
f.sunlight_propagates = true;
f.walkable = false;
f.pointable = false;
f.diggable = false;
f.buildable_to = true;
f.is_ground_content = true;
// Insert directly into containers
content_t c = CONTENT_AIR;
m_content_features[c] = f;
addNameIdMapping(c, f.name);
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}
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// Set CONTENT_IGNORE
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{
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ContentFeatures f;
f.name = "ignore";
f.drawtype = NDT_AIRLIKE;
f.param_type = CPT_NONE;
f.light_propagates = false;
f.sunlight_propagates = false;
f.walkable = false;
f.pointable = false;
f.diggable = false;
f.buildable_to = true; // A way to remove accidental CONTENT_IGNOREs
f.is_ground_content = true;
// Insert directly into containers
content_t c = CONTENT_IGNORE;
m_content_features[c] = f;
addNameIdMapping(c, f.name);
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}
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}
IWritableNodeDefManager *CNodeDefManager::clone()
{
CNodeDefManager *mgr = new CNodeDefManager();
*mgr = *this;
return mgr;
}
inline const ContentFeatures& CNodeDefManager::get(content_t c) const
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{
return c < m_content_features.size()
? m_content_features[c] : m_content_features[CONTENT_UNKNOWN];
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}
inline const ContentFeatures& CNodeDefManager::get(const MapNode &n) const
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{
return get(n.getContent());
}
bool CNodeDefManager::getId(const std::string &name, content_t &result) const
{
std::map<std::string, content_t>::const_iterator
i = m_name_id_mapping_with_aliases.find(name);
if(i == m_name_id_mapping_with_aliases.end())
return false;
result = i->second;
return true;
}
content_t CNodeDefManager::getId(const std::string &name) const
{
content_t id = CONTENT_IGNORE;
getId(name, id);
return id;
}
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void CNodeDefManager::getIds(const std::string &name,
std::set<content_t> &result) const
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{
//TimeTaker t("getIds", NULL, PRECISION_MICRO);
if (name.substr(0,6) != "group:") {
content_t id = CONTENT_IGNORE;
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if(getId(name, id))
result.insert(id);
return;
}
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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;
const GroupItems &items = i->second;
for (GroupItems::const_iterator j = items.begin();
j != items.end(); ++j) {
if ((*j).second != 0)
result.insert((*j).first);
}
//printf("getIds: %dus\n", t.stop());
}
const ContentFeatures& CNodeDefManager::get(const std::string &name) const
{
content_t id = CONTENT_UNKNOWN;
getId(name, id);
return get(id);
}
// returns CONTENT_IGNORE if no free ID found
content_t CNodeDefManager::allocateId()
{
for (content_t id = m_next_id;
id >= m_next_id; // overflow?
++id) {
while (id >= m_content_features.size()) {
m_content_features.push_back(ContentFeatures());
}
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const ContentFeatures &f = m_content_features[id];
if (f.name == "") {
m_next_id = id + 1;
return id;
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}
}
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// If we arrive here, an overflow occurred in id.
// That means no ID was found
return CONTENT_IGNORE;
}
// IWritableNodeDefManager
content_t CNodeDefManager::set(const std::string &name, const ContentFeatures &def)
{
assert(name != "");
assert(name == def.name);
// Don't allow redefining ignore (but allow air and unknown)
if (name == "ignore") {
infostream << "NodeDefManager: WARNING: Ignoring "
"CONTENT_IGNORE redefinition"<<std::endl;
return CONTENT_IGNORE;
}
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content_t id = CONTENT_IGNORE;
if (!m_name_id_mapping.getId(name, id)) { // ignore aliases
// Get new id
id = allocateId();
if (id == CONTENT_IGNORE) {
infostream << "NodeDefManager: WARNING: Absolute "
"limit reached" << std::endl;
return CONTENT_IGNORE;
}
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assert(id != CONTENT_IGNORE);
addNameIdMapping(id, name);
}
m_content_features[id] = def;
verbosestream << "NodeDefManager: registering content id \"" << id
<< "\": name=\"" << def.name << "\""<<std::endl;
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// 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
for (ItemGroupList::const_iterator i = def.groups.begin();
i != def.groups.end(); ++i) {
std::string group_name = i->first;
std::map<std::string, GroupItems>::iterator
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));
} else {
GroupItems &items = j->second;
items.push_back(std::make_pair(id, i->second));
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}
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}
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return id;
}
content_t CNodeDefManager::allocateDummy(const std::string &name)
{
assert(name != "");
ContentFeatures f;
f.name = name;
return set(name, f);
}
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++) {
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));
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}
}
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}
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void CNodeDefManager::updateTextures(IGameDef *gamedef)
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{
#ifndef SERVER
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infostream << "CNodeDefManager::updateTextures(): Updating "
"textures in node definitions" << std::endl;
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ITextureSource *tsrc = gamedef->tsrc();
IShaderSource *shdsrc = gamedef->getShaderSource();
scene::ISceneManager* smgr = gamedef->getSceneManager();
scene::IMeshManipulator* meshmanip = smgr->getMeshManipulator();
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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");
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bool use_normal_texture = enable_shaders &&
(enable_bumpmapping || enable_parallax_occlusion);
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for (u32 i = 0; i < m_content_features.size(); i++) {
ContentFeatures *f = &m_content_features[i];
// Figure out the actual tiles to use
TileDef tiledef[6];
for (u32 j = 0; j < 6; j++) {
tiledef[j] = f->tiledef[j];
if (tiledef[j].name == "")
tiledef[j].name = "unknown_node.png";
}
bool is_liquid = false;
bool is_water_surface = false;
u8 material_type = (f->alpha == 255) ?
TILE_MATERIAL_BASIC : TILE_MATERIAL_ALPHA;
switch (f->drawtype) {
default:
case NDT_NORMAL:
f->solidness = 2;
break;
case NDT_AIRLIKE:
f->solidness = 0;
break;
case NDT_LIQUID:
assert(f->liquid_type == LIQUID_SOURCE);
if (opaque_water)
f->alpha = 255;
if (new_style_water){
f->solidness = 0;
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} else {
f->solidness = 1;
f->backface_culling = false;
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}
is_liquid = true;
break;
case NDT_FLOWINGLIQUID:
assert(f->liquid_type == LIQUID_FLOWING);
f->solidness = 0;
if (opaque_water)
f->alpha = 255;
is_liquid = true;
break;
case NDT_GLASSLIKE:
f->solidness = 0;
f->visual_solidness = 1;
break;
case NDT_GLASSLIKE_FRAMED:
f->solidness = 0;
f->visual_solidness = 1;
break;
case NDT_GLASSLIKE_FRAMED_OPTIONAL:
f->solidness = 0;
f->visual_solidness = 1;
f->drawtype = connected_glass ? NDT_GLASSLIKE_FRAMED : NDT_GLASSLIKE;
break;
case NDT_ALLFACES:
f->solidness = 0;
f->visual_solidness = 1;
break;
case NDT_ALLFACES_OPTIONAL:
if (new_style_leaves) {
f->drawtype = NDT_ALLFACES;
f->solidness = 0;
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f->visual_solidness = 1;
} else {
f->drawtype = NDT_NORMAL;
f->solidness = 2;
for (u32 i = 0; i < 6; i++)
tiledef[i].name += std::string("^[noalpha");
}
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if (f->waving == 1)
material_type = TILE_MATERIAL_WAVING_LEAVES;
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;
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f->solidness = 0;
break;
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case NDT_MESH:
f->solidness = 0;
f->backface_culling = false;
break;
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case NDT_TORCHLIKE:
case NDT_SIGNLIKE:
case NDT_FENCELIKE:
case NDT_RAILLIKE:
case NDT_NODEBOX:
f->solidness = 0;
break;
}
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if (is_liquid) {
material_type = (f->alpha == 255) ?
TILE_MATERIAL_LIQUID_OPAQUE : TILE_MATERIAL_LIQUID_TRANSPARENT;
if (f->name == "default:water_source")
is_water_surface = true;
}
u32 tile_shader[6];
for (u16 j = 0; j < 6; j++) {
tile_shader[j] = shdsrc->getShader("nodes_shader",
material_type, f->drawtype);
}
if (is_water_surface) {
tile_shader[0] = shdsrc->getShader("water_surface_shader",
material_type, f->drawtype);
}
// Tiles (fill in f->tiles[])
for (u16 j = 0; j < 6; j++) {
fillTileAttribs(tsrc, &f->tiles[j], &tiledef[j], tile_shader[j],
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use_normal_texture, f->backface_culling, f->alpha, material_type);
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}
// Special tiles (fill in f->special_tiles[])
for (u16 j = 0; j < CF_SPECIAL_COUNT; j++) {
fillTileAttribs(tsrc, &f->special_tiles[j], &f->tiledef_special[j],
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tile_shader[j], use_normal_texture,
f->tiledef_special[j].backface_culling, f->alpha, material_type);
}
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if ((f->drawtype == NDT_MESH) && (f->mesh != "")) {
// Meshnode drawtype
// Read the mesh and apply scale
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f->mesh_ptr[0] = gamedef->getMesh(f->mesh);
if (f->mesh_ptr[0]){
v3f scale = v3f(1.0, 1.0, 1.0) * BS * f->visual_scale;
scaleMesh(f->mesh_ptr[0], scale);
recalculateBoundingBox(f->mesh_ptr[0]);
meshmanip->recalculateNormals(f->mesh_ptr[0], true, false);
}
} else if ((f->drawtype == NDT_NODEBOX) &&
((f->node_box.type == NODEBOX_REGULAR) ||
(f->node_box.type == NODEBOX_FIXED)) &&
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(!f->node_box.fixed.empty())) {
//Convert regular nodebox nodes to meshnodes
//Change the drawtype and apply scale
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f->drawtype = NDT_MESH;
f->mesh_ptr[0] = convertNodeboxNodeToMesh(f);
v3f scale = v3f(1.0, 1.0, 1.0) * f->visual_scale;
scaleMesh(f->mesh_ptr[0], scale);
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recalculateBoundingBox(f->mesh_ptr[0]);
meshmanip->recalculateNormals(f->mesh_ptr[0], true, false);
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}
//Cache 6dfacedir and wallmounted rotated clones of meshes
if (enable_mesh_cache && f->mesh_ptr[0] && (f->param_type_2 == CPT2_FACEDIR)) {
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for (u16 j = 1; j < 24; j++) {
f->mesh_ptr[j] = cloneMesh(f->mesh_ptr[0]);
rotateMeshBy6dFacedir(f->mesh_ptr[j], j);
recalculateBoundingBox(f->mesh_ptr[j]);
meshmanip->recalculateNormals(f->mesh_ptr[j], true, false);
}
} else if (enable_mesh_cache && f->mesh_ptr[0] && (f->param_type_2 == CPT2_WALLMOUNTED)) {
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static const u8 wm_to_6d[6] = {20, 0, 16+1, 12+3, 8, 4+2};
for (u16 j = 1; j < 6; j++) {
f->mesh_ptr[j] = cloneMesh(f->mesh_ptr[0]);
rotateMeshBy6dFacedir(f->mesh_ptr[j], wm_to_6d[j]);
recalculateBoundingBox(f->mesh_ptr[j]);
meshmanip->recalculateNormals(f->mesh_ptr[j], true, false);
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}
rotateMeshBy6dFacedir(f->mesh_ptr[0], wm_to_6d[0]);
recalculateBoundingBox(f->mesh_ptr[0]);
meshmanip->recalculateNormals(f->mesh_ptr[0], true, false);
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}
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}
#endif
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}
#ifndef SERVER
void CNodeDefManager::fillTileAttribs(ITextureSource *tsrc, TileSpec *tile,
TileDef *tiledef, u32 shader_id, bool use_normal_texture,
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bool backface_culling, u8 alpha, u8 material_type)
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{
tile->shader_id = shader_id;
tile->texture = tsrc->getTexture(tiledef->name, &tile->texture_id);
tile->alpha = alpha;
tile->material_type = material_type;
// Normal texture
if (use_normal_texture)
tile->normal_texture = tsrc->getNormalTexture(tiledef->name);
// Material flags
tile->material_flags = 0;
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if (backface_culling)
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tile->material_flags |= MATERIAL_FLAG_BACKFACE_CULLING;
if (tiledef->animation.type == TAT_VERTICAL_FRAMES)
tile->material_flags |= MATERIAL_FLAG_ANIMATION_VERTICAL_FRAMES;
// 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;
tile->animation_frame_count = frame_count;
tile->animation_frame_length_ms = frame_length_ms;
}
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if (frame_count == 1) {
tile->material_flags &= ~MATERIAL_FLAG_ANIMATION_VERTICAL_FRAMES;
} else {
std::ostringstream os(std::ios::binary);
tile->frames.resize(frame_count);
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for (int i = 0; i < frame_count; i++) {
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FrameSpec frame;
os.str("");
os << tiledef->name << "^[verticalframe:"
<< frame_count << ":" << i;
frame.texture = tsrc->getTexture(os.str(), &frame.texture_id);
if (tile->normal_texture)
frame.normal_texture = tsrc->getNormalTexture(os.str());
tile->frames[i] = frame;
}
}
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}
#endif
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void CNodeDefManager::serialize(std::ostream &os, u16 protocol_version)
{
writeU8(os, 1); // version
u16 count = 0;
std::ostringstream os2(std::ios::binary);
for (u32 i = 0; i < m_content_features.size(); i++) {
if (i == CONTENT_IGNORE || i == CONTENT_AIR
|| i == CONTENT_UNKNOWN)
continue;
ContentFeatures *f = &m_content_features[i];
if (f->name == "")
continue;
writeU16(os2, i);
// Wrap it in a string to allow different lengths without
// strict version incompatibilities
std::ostringstream wrapper_os(std::ios::binary);
f->serialize(wrapper_os, protocol_version);
os2<<serializeString(wrapper_os.str());
assert(count + 1 > count); // must not overflow
count++;
}
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writeU16(os, count);
os << serializeLongString(os2.str());
}
void CNodeDefManager::deSerialize(std::istream &is)
{
clear();
int version = readU8(is);
if (version != 1)
throw SerializationError("unsupported NodeDefinitionManager version");
u16 count = readU16(is);
std::istringstream is2(deSerializeLongString(is), std::ios::binary);
ContentFeatures f;
for (u16 n = 0; n < count; n++) {
u16 i = readU16(is2);
// Read it from the string wrapper
std::string wrapper = deSerializeString(is2);
std::istringstream wrapper_is(wrapper, std::ios::binary);
f.deSerialize(wrapper_is);
// Check error conditions
if (i == CONTENT_IGNORE || i == CONTENT_AIR || i == CONTENT_UNKNOWN) {
infostream << "NodeDefManager::deSerialize(): WARNING: "
"not changing builtin node " << i << std::endl;
continue;
}
if (f.name == "") {
infostream << "NodeDefManager::deSerialize(): WARNING: "
"received empty name" << std::endl;
continue;
}
// Ignore aliases
u16 existing_id;
if (m_name_id_mapping.getId(f.name, existing_id) && i != existing_id) {
infostream << "NodeDefManager::deSerialize(): WARNING: "
"already defined with different ID: " << f.name << std::endl;
continue;
}
// All is ok, add node definition with the requested ID
if (i >= m_content_features.size())
m_content_features.resize((u32)(i) + 1);
m_content_features[i] = f;
addNameIdMapping(i, f.name);
verbosestream << "deserialized " << f.name << std::endl;
}
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}
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void CNodeDefManager::addNameIdMapping(content_t i, std::string name)
{
m_name_id_mapping.set(i, name);
m_name_id_mapping_with_aliases.insert(std::make_pair(name, i));
}
IWritableNodeDefManager *createNodeDefManager()
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{
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return new CNodeDefManager();
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}
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//// Serialization of old ContentFeatures formats
void ContentFeatures::serializeOld(std::ostream &os, u16 protocol_version)
{
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if (protocol_version == 13)
{
writeU8(os, 5); // version
os<<serializeString(name);
writeU16(os, groups.size());
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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);
writeU8(os, 6);
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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);
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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);
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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);
writeU16(os, groups.size());
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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);
writeU8(os, 6);
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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);
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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, liquid_renewable);
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);
writeU8(os, rightclickable);
writeU8(os, drowning);
writeU8(os, leveled);
writeU8(os, liquid_range);
} else
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throw SerializationError("ContentFeatures::serialize(): "
"Unsupported version requested");
}
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void ContentFeatures::deSerializeOld(std::istream &is, int version)
{
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if (version == 5) // In PROTOCOL_VERSION 13
{
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);
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if (readU8(is) != 6)
throw SerializationError("unsupported tile count");
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for (u32 i = 0; i < 6; i++)
tiledef[i].deSerialize(is);
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if (readU8(is) != CF_SPECIAL_COUNT)
throw SerializationError("unsupported CF_SPECIAL_COUNT");
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for (u32 i = 0; i < CF_SPECIAL_COUNT; i++)
tiledef_special[i].deSerialize(is);
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);
light_source = readU8(is);
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);
} else if (version == 6) {
name = deSerializeString(is);
groups.clear();
u32 groups_size = readU16(is);
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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);
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if (readU8(is) != 6)
throw SerializationError("unsupported tile count");
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for (u32 i = 0; i < 6; i++)
tiledef[i].deSerialize(is);
// CF_SPECIAL_COUNT in version 6 = 2
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if (readU8(is) != 2)
throw SerializationError("unsupported CF_SPECIAL_COUNT");
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for (u32 i = 0; i < 2; i++)
tiledef_special[i].deSerialize(is);
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);
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);
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} else {
throw SerializationError("unsupported ContentFeatures version");
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}
}
void CNodeDefManager::pendNodeResolve(NodeResolveInfo *nri)
{
nri->resolver->m_ndef = this;
m_pending_node_lookups.push_back(nri);
}
void CNodeDefManager::cancelNodeResolve(NodeResolver *resolver)
{
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;
}
}
}
void CNodeDefManager::runNodeResolverCallbacks()
{
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;
}
}
bool CNodeDefManager::getIdFromResolveInfo(NodeResolveInfo *nri,
const std::string &node_alt, content_t c_fallback, content_t &result)
{
if (nri->nodenames.empty()) {
result = c_fallback;
errorstream << "CNodeDefManager::getIdFromResolveInfo: empty "
"nodenames list" << std::endl;
return false;
}
content_t c;
std::string name = nri->nodenames.front();
nri->nodenames.pop_front();
bool success = getId(name, c);
if (!success && node_alt != "") {
name = node_alt;
success = getId(name, c);
}
if (!success) {
errorstream << "CNodeDefManager::getIdFromResolveInfo: Failed to "
"resolve node name '" << name << "'." << std::endl;
c = c_fallback;
}
result = c;
return success;
}
bool CNodeDefManager::getIdsFromResolveInfo(NodeResolveInfo *nri,
std::vector<content_t> &result)
{
if (nri->nodename_sizes.empty()) {
errorstream << "CNodeDefManager::getIdsFromResolveInfo: empty "
"nodename_sizes list" << std::endl;
return false;
}
size_t nitems = nri->nodename_sizes.front();
nri->nodename_sizes.pop_front();
while (nitems--) {
if (nri->nodenames.empty()) {
errorstream << "" << std::endl;
return false;
}
content_t c;
if (getId(nri->nodenames.front(), c)) {
result.push_back(c);
} else {
errorstream << "CNodeDefManager::getIdsFromResolveInfo: empty "
"nodenames list" << std::endl;
}
nri->nodenames.pop_front();
}
return true;
}