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minetest/src/nodedef.cpp

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/*
Minetest
Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
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 "nodedef.h"
#include "main.h" // For g_settings
#include "itemdef.h"
#ifndef SERVER
#include "tile.h"
#endif
#include "log.h"
#include "settings.h"
#include "nameidmapping.h"
#include "util/numeric.h"
#include "util/serialize.h"
//#include "profiler.h" // For TimeTaker
/*
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);
}
void NodeBox::serialize(std::ostream &os, u16 protocol_version) const
{
int version = protocol_version >= 21 ? 2 : 1;
writeU8(os, version);
if (version == 1 && type == NODEBOX_LEVELED)
writeU8(os, NODEBOX_FIXED);
else
writeU8(os, type);
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);
if(version < 1 || version > 2)
throw SerializationError("unsupported NodeBox version");
reset();
type = (enum NodeBoxType)readU8(is);
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);
}
}
/*
TileDef
*/
void TileDef::serialize(std::ostream &os, u16 protocol_version) const
{
if(protocol_version >= 17)
writeU8(os, 1);
else
writeU8(os, 0);
os<<serializeString(name);
writeU8(os, animation.type);
writeU16(os, animation.aspect_w);
writeU16(os, animation.aspect_h);
writeF1000(os, animation.length);
if(protocol_version >= 17)
writeU8(os, backface_culling);
}
void TileDef::deSerialize(std::istream &is)
{
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();
}
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
NOTE: Most of this is always overridden by the default values given
in builtin.lua
*/
name = "";
groups.clear();
// Unknown nodes can be dug
groups["dig_immediate"] = 2;
drawtype = NDT_NORMAL;
visual_scale = 1.0;
for(u32 i=0; i<6; i++)
tiledef[i] = TileDef();
for(u16 j=0; j<CF_SPECIAL_COUNT; j++)
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;
leveled = 0;
liquid_type = LIQUID_NONE;
liquid_alternative_flowing = "";
liquid_alternative_source = "";
liquid_viscosity = 0;
liquid_renewable = true;
freezemelt = "";
liquid_range = LIQUID_LEVEL_MAX+1;
drowning = 0;
light_source = 0;
damage_per_second = 0;
node_box = NodeBox();
selection_box = NodeBox();
legacy_facedir_simple = false;
legacy_wallmounted = false;
sound_footstep = SimpleSoundSpec();
sound_dig = SimpleSoundSpec("__group");
sound_dug = SimpleSoundSpec();
}
void ContentFeatures::serialize(std::ostream &os, u16 protocol_version)
{
if(protocol_version < 14){
serializeOld(os, protocol_version);
return;
}
writeU8(os, 6); // version
os<<serializeString(name);
writeU16(os, groups.size());
for(ItemGroupList::const_iterator
i = groups.begin(); i != groups.end(); i++){
os<<serializeString(i->first);
writeS16(os, i->second);
}
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);
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);
// Stuff below should be moved to correct place in a version that otherwise changes
// the protocol version
}
void ContentFeatures::deSerialize(std::istream &is)
{
int version = readU8(is);
if(version != 6){
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;
}
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);
drowning = readU8(is);
leveled = readU8(is);
liquid_range = 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
}catch(SerializationError &e) {};
}
/*
CNodeDefManager
*/
class CNodeDefManager: public IWritableNodeDefManager
{
public:
void 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
{
ContentFeatures f;
f.name = "unknown";
// Insert directly into containers
content_t c = CONTENT_UNKNOWN;
m_content_features[c] = f;
addNameIdMapping(c, f.name);
}
// Set CONTENT_AIR
{
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);
}
// Set CONTENT_IGNORE
{
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);
}
}
CNodeDefManager()
{
clear();
}
virtual ~CNodeDefManager()
{
}
virtual IWritableNodeDefManager* clone()
{
CNodeDefManager *mgr = new CNodeDefManager();
*mgr = *this;
return mgr;
}
virtual const ContentFeatures& get(content_t c) const
{
if(c < m_content_features.size())
return m_content_features[c];
else
return m_content_features[CONTENT_UNKNOWN];
}
virtual const ContentFeatures& get(const MapNode &n) const
{
return get(n.getContent());
}
virtual bool 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;
}
virtual content_t getId(const std::string &name) const
{
content_t id = CONTENT_IGNORE;
getId(name, id);
return id;
}
virtual void 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))
result.insert(id);
return;
}
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());
}
virtual const ContentFeatures& 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 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());
}
const ContentFeatures &f = m_content_features[id];
if(f.name == ""){
m_next_id = id + 1;
return id;
}
}
// If we arrive here, an overflow occurred in id.
// That means no ID was found
return CONTENT_IGNORE;
}
// IWritableNodeDefManager
virtual content_t 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;
}
content_t id = CONTENT_IGNORE;
bool found = m_name_id_mapping.getId(name, id); // ignore aliases
if(!found){
// Get new id
id = allocateId();
if(id == CONTENT_IGNORE){
infostream<<"NodeDefManager: WARNING: Absolute "
<<"limit reached"<<std::endl;
return CONTENT_IGNORE;
}
assert(id != CONTENT_IGNORE);
addNameIdMapping(id, name);
}
m_content_features[id] = def;
verbosestream<<"NodeDefManager: registering content id \""<<id
<<"\": name=\""<<def.name<<"\""<<std::endl;
// 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));
}
}
return id;
}
virtual content_t allocateDummy(const std::string &name)
{
assert(name != "");
ContentFeatures f;
f.name = name;
return set(name, f);
}
virtual void 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));
}
}
}
virtual void updateTextures(ITextureSource *tsrc)
{
#ifndef SERVER
infostream<<"CNodeDefManager::updateTextures(): Updating "
<<"textures in node definitions"<<std::endl;
bool new_style_water = g_settings->getBool("new_style_water");
bool new_style_leaves = g_settings->getBool("new_style_leaves");
bool opaque_water = g_settings->getBool("opaque_water");
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;
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;
} else {
f->solidness = 1;
f->backface_culling = false;
}
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_ALLFACES:
f->solidness = 0;
f->visual_solidness = 1;
break;
case NDT_ALLFACES_OPTIONAL:
if(new_style_leaves){
f->drawtype = NDT_ALLFACES;
f->solidness = 0;
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");
}
}
break;
case NDT_PLANTLIKE:
f->solidness = 0;
f->backface_culling = false;
break;
case NDT_TORCHLIKE:
case NDT_SIGNLIKE:
case NDT_FENCELIKE:
case NDT_RAILLIKE:
case NDT_NODEBOX:
f->solidness = 0;
break;
}
u8 material_type;
if (is_liquid)
material_type = (f->alpha == 255) ? TILE_MATERIAL_LIQUID_OPAQUE : TILE_MATERIAL_LIQUID_TRANSPARENT;
else
material_type = (f->alpha == 255) ? TILE_MATERIAL_BASIC : TILE_MATERIAL_ALPHA;
// Tiles (fill in f->tiles[])
for(u16 j=0; j<6; j++){
// Texture
f->tiles[j].texture = tsrc->getTexture(
tiledef[j].name,
&f->tiles[j].texture_id);
// Alpha
f->tiles[j].alpha = f->alpha;
// Material type
f->tiles[j].material_type = material_type;
// Material flags
f->tiles[j].material_flags = 0;
if(f->backface_culling)
f->tiles[j].material_flags |= MATERIAL_FLAG_BACKFACE_CULLING;
if(tiledef[j].animation.type == TAT_VERTICAL_FRAMES)
f->tiles[j].material_flags |= MATERIAL_FLAG_ANIMATION_VERTICAL_FRAMES;
// Animation parameters
if(f->tiles[j].material_flags &
MATERIAL_FLAG_ANIMATION_VERTICAL_FRAMES)
{
// Get texture size to determine frame count by
// aspect ratio
v2u32 size = f->tiles[j].texture->getOriginalSize();
int frame_height = (float)size.X /
(float)tiledef[j].animation.aspect_w *
(float)tiledef[j].animation.aspect_h;
int frame_count = size.Y / frame_height;
int frame_length_ms = 1000.0 *
tiledef[j].animation.length / frame_count;
f->tiles[j].animation_frame_count = frame_count;
f->tiles[j].animation_frame_length_ms = frame_length_ms;
// If there are no frames for an animation, switch
// animation off (so that having specified an animation
// for something but not using it in the texture pack
// gives no overhead)
if(frame_count == 1){
f->tiles[j].material_flags &=
~MATERIAL_FLAG_ANIMATION_VERTICAL_FRAMES;
}
}
}
// Special tiles (fill in f->special_tiles[])
for(u16 j=0; j<CF_SPECIAL_COUNT; j++){
// Texture
f->special_tiles[j].texture = tsrc->getTexture(
f->tiledef_special[j].name,
&f->special_tiles[j].texture_id);
// Alpha
f->special_tiles[j].alpha = f->alpha;
// Material type
f->special_tiles[j].material_type = material_type;
// Material flags
f->special_tiles[j].material_flags = 0;
if(f->tiledef_special[j].backface_culling)
f->special_tiles[j].material_flags |= MATERIAL_FLAG_BACKFACE_CULLING;
if(f->tiledef_special[j].animation.type == TAT_VERTICAL_FRAMES)
f->special_tiles[j].material_flags |= MATERIAL_FLAG_ANIMATION_VERTICAL_FRAMES;
// Animation parameters
if(f->special_tiles[j].material_flags &
MATERIAL_FLAG_ANIMATION_VERTICAL_FRAMES)
{
// Get texture size to determine frame count by
// aspect ratio
v2u32 size = f->special_tiles[j].texture->getOriginalSize();
int frame_height = (float)size.X /
(float)f->tiledef_special[j].animation.aspect_w *
(float)f->tiledef_special[j].animation.aspect_h;
int frame_count = size.Y / frame_height;
int frame_length_ms = 1000.0 *
f->tiledef_special[j].animation.length / frame_count;
f->special_tiles[j].animation_frame_count = frame_count;
f->special_tiles[j].animation_frame_length_ms = frame_length_ms;
// If there are no frames for an animation, switch
// animation off (so that having specified an animation
// for something but not using it in the texture pack
// gives no overhead)
if(frame_count == 1){
f->special_tiles[j].material_flags &=
~MATERIAL_FLAG_ANIMATION_VERTICAL_FRAMES;
}
}
}
}
#endif
}
void 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++;
}
writeU16(os, count);
os<<serializeLongString(os2.str());
}
void 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;
}
u16 existing_id;
bool found = m_name_id_mapping.getId(f.name, existing_id); // ignore aliases
if(found && 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;
}
}
private:
void 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));
}
private:
// 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;
};
IWritableNodeDefManager* createNodeDefManager()
{
return new CNodeDefManager();
}
/*
Serialization of old ContentFeatures formats
*/
void ContentFeatures::serializeOld(std::ostream &os, u16 protocol_version)
{
if(protocol_version == 13)
{
writeU8(os, 5); // version
os<<serializeString(name);
writeU16(os, groups.size());
for(ItemGroupList::const_iterator
i = groups.begin(); i != groups.end(); i++){
os<<serializeString(i->first);
writeS16(os, i->second);
}
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);
os<<serializeString(""); // legacy: used to be metadata_name
writeU8(os, liquid_type);
os<<serializeString(liquid_alternative_flowing);
os<<serializeString(liquid_alternative_source);
writeU8(os, liquid_viscosity);
writeU8(os, light_source);
writeU32(os, damage_per_second);
node_box.serialize(os, protocol_version);
selection_box.serialize(os, protocol_version);
writeU8(os, legacy_facedir_simple);
writeU8(os, legacy_wallmounted);
serializeSimpleSoundSpec(sound_footstep, os);
serializeSimpleSoundSpec(sound_dig, os);
serializeSimpleSoundSpec(sound_dug, os);
}
else
{
throw SerializationError("ContentFeatures::serialize(): Unsupported version requested");
}
}
void ContentFeatures::deSerializeOld(std::istream &is, int version)
{
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);
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);
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
{
throw SerializationError("unsupported ContentFeatures version");
}
}
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