minetest/src/nodedef.cpp

660 lines
17 KiB
C++
Raw Normal View History

2011-11-14 20:41:30 +01:00
/*
Minetest-c55
Copyright (C) 2010 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 General Public License as published by
the Free Software Foundation; either version 2 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 General Public License for more details.
You should have received a copy of the GNU 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"
2011-11-14 20:41:30 +01:00
#ifndef SERVER
#include "tile.h"
#endif
#include "log.h"
#include "settings.h"
2011-11-16 12:03:28 +01:00
#include "nameidmapping.h"
/*
NodeBox
*/
void NodeBox::serialize(std::ostream &os) const
{
writeU8(os, 0); // version
writeU8(os, type);
writeV3F1000(os, fixed.MinEdge);
writeV3F1000(os, fixed.MaxEdge);
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 != 0)
throw SerializationError("unsupported NodeBox version");
type = (enum NodeBoxType)readU8(is);
fixed.MinEdge = readV3F1000(is);
fixed.MaxEdge = readV3F1000(is);
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);
}
/*
MaterialSpec
*/
void MaterialSpec::serialize(std::ostream &os) const
{
os<<serializeString(tname);
writeU8(os, backface_culling);
}
void MaterialSpec::deSerialize(std::istream &is)
{
tname = deSerializeString(is);
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();
}
2011-11-14 20:41:30 +01:00
ContentFeatures::~ContentFeatures()
{
}
void ContentFeatures::reset()
{
/*
Cached stuff
*/
#ifndef SERVER
solidness = 2;
visual_solidness = 0;
backface_culling = true;
#endif
/*
Actual data
2011-11-26 01:26:19 +01:00
NOTE: Most of this is always overridden by the default values given
in builtin.lua
*/
2011-11-16 08:36:19 +01:00
name = "";
2012-02-28 18:45:23 +01:00
groups.clear();
2012-03-19 07:16:17 +01:00
// Unknown nodes can be dug
groups["dig_immediate"] = 2;
drawtype = NDT_NORMAL;
visual_scale = 1.0;
for(u32 i=0; i<6; i++)
tname_tiles[i] = "";
for(u16 j=0; j<CF_SPECIAL_COUNT; j++)
mspec_special[j] = MaterialSpec();
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;
metadata_name = "";
liquid_type = LIQUID_NONE;
liquid_alternative_flowing = "";
liquid_alternative_source = "";
liquid_viscosity = 0;
light_source = 0;
damage_per_second = 0;
selection_box = NodeBox();
legacy_facedir_simple = false;
legacy_wallmounted = false;
sound_footstep = SimpleSoundSpec();
2012-03-24 10:10:28 +01:00
sound_dig = SimpleSoundSpec("__group");
2012-03-24 02:28:08 +01:00
sound_dug = SimpleSoundSpec();
}
void ContentFeatures::serialize(std::ostream &os)
{
2012-03-25 17:45:27 +02:00
writeU8(os, 3); // version
2011-11-16 08:36:19 +01:00
os<<serializeString(name);
2012-02-28 18:45:23 +01:00
writeU16(os, groups.size());
2012-03-04 13:22:35 +01:00
for(ItemGroupList::const_iterator
2012-02-28 18:45:23 +01:00
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++)
os<<serializeString(tname_tiles[i]);
writeU8(os, CF_SPECIAL_COUNT);
for(u32 i=0; i<CF_SPECIAL_COUNT; i++){
mspec_special[i].serialize(os);
}
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(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);
selection_box.serialize(os);
writeU8(os, legacy_facedir_simple);
writeU8(os, legacy_wallmounted);
serializeSimpleSoundSpec(sound_footstep, os);
2012-03-24 10:10:28 +01:00
serializeSimpleSoundSpec(sound_dig, os);
2012-03-24 02:28:08 +01:00
serializeSimpleSoundSpec(sound_dug, os);
}
void ContentFeatures::deSerialize(std::istream &is)
{
int version = readU8(is);
2012-03-25 17:45:27 +02:00
if(version != 3)
throw SerializationError("unsupported ContentFeatures version");
2011-11-16 08:36:19 +01:00
name = deSerializeString(is);
2012-02-28 18:45:23 +01:00
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++)
tname_tiles[i] = deSerializeString(is);
if(readU8(is) != CF_SPECIAL_COUNT)
throw SerializationError("unsupported CF_SPECIAL_COUNT");
for(u32 i=0; i<CF_SPECIAL_COUNT; i++){
mspec_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);
metadata_name = deSerializeString(is);
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);
selection_box.deSerialize(is);
legacy_facedir_simple = readU8(is);
legacy_wallmounted = readU8(is);
2012-03-25 17:45:27 +02:00
// If you add anything here, insert it primarily inside the try-catch
// block to not need to increase the version.
try{
deSerializeSimpleSoundSpec(sound_footstep, is);
2012-03-24 10:10:28 +01:00
deSerializeSimpleSoundSpec(sound_dig, is);
2012-03-24 02:28:08 +01:00
deSerializeSimpleSoundSpec(sound_dug, is);
}catch(SerializationError &e) {};
2011-11-15 13:43:15 +01:00
}
/*
CNodeDefManager
*/
2011-11-14 20:41:30 +01:00
class CNodeDefManager: public IWritableNodeDefManager
{
public:
void clear()
2011-11-14 20:41:30 +01:00
{
2011-11-16 12:03:28 +01:00
m_name_id_mapping.clear();
m_name_id_mapping_with_aliases.clear();
2011-11-14 20:41:30 +01:00
for(u16 i=0; i<=MAX_CONTENT; i++)
{
2011-11-16 12:03:28 +01:00
ContentFeatures &f = m_content_features[i];
f.reset(); // Reset to defaults
}
// 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;
// Insert directly into containers
content_t c = CONTENT_AIR;
m_content_features[c] = f;
addNameIdMapping(c, f.name);
2011-11-16 12:03:28 +01:00
}
// 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;
2011-11-16 12:03:28 +01:00
f.walkable = false;
f.pointable = false;
f.diggable = false;
// A way to remove accidental CONTENT_IGNOREs
f.buildable_to = true;
// Insert directly into containers
content_t c = CONTENT_IGNORE;
m_content_features[c] = f;
addNameIdMapping(c, f.name);
2011-11-16 12:03:28 +01:00
}
}
// CONTENT_IGNORE = not found
content_t getFreeId(bool require_full_param2)
{
// If allowed, first search in the large 4-bit-param2 pool
2011-11-16 12:03:28 +01:00
if(!require_full_param2){
for(u16 i=0x800; i<=0xfff; i++){
const ContentFeatures &f = m_content_features[i];
if(f.name == "")
return i;
}
2011-11-14 20:41:30 +01:00
}
// Then search from the small 8-bit-param2 pool
2011-11-16 12:03:28 +01:00
for(u16 i=0; i<=125; i++){
const ContentFeatures &f = m_content_features[i];
if(f.name == "")
return i;
}
return CONTENT_IGNORE;
}
CNodeDefManager()
{
clear();
2011-11-14 20:41:30 +01:00
}
virtual ~CNodeDefManager()
{
}
virtual IWritableNodeDefManager* clone()
{
2011-11-15 13:43:15 +01:00
CNodeDefManager *mgr = new CNodeDefManager();
2011-11-14 20:41:30 +01:00
for(u16 i=0; i<=MAX_CONTENT; i++)
{
mgr->set(i, get(i));
}
return mgr;
}
virtual const ContentFeatures& get(content_t c) const
{
assert(c <= MAX_CONTENT);
return m_content_features[c];
}
virtual const ContentFeatures& get(const MapNode &n) const
{
return get(n.getContent());
}
virtual bool getId(const std::string &name, content_t &result) const
2011-11-16 12:03:28 +01:00
{
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;
2011-11-16 12:03:28 +01:00
}
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
{
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);
for(u16 id=0; id<=MAX_CONTENT; id++)
{
const ContentFeatures &f = m_content_features[id];
if(f.name == "") // Quickly discard undefined nodes
continue;
if(itemgroup_get(f.groups, group) != 0)
result.insert(id);
}
}
virtual const ContentFeatures& get(const std::string &name) const
{
content_t id = CONTENT_IGNORE;
getId(name, id);
return get(id);
}
2011-11-16 12:03:28 +01:00
// IWritableNodeDefManager
2011-11-14 20:41:30 +01:00
virtual void set(content_t c, const ContentFeatures &def)
{
2012-03-11 03:15:45 +01:00
verbosestream<<"registerNode: registering content id \""<<c
2011-11-16 08:36:19 +01:00
<<"\": name=\""<<def.name<<"\""<<std::endl;
2011-11-14 20:41:30 +01:00
assert(c <= MAX_CONTENT);
// Don't allow redefining CONTENT_IGNORE (but allow air)
if(def.name == "ignore" || c == CONTENT_IGNORE){
infostream<<"registerNode: WARNING: Ignoring "
<<"CONTENT_IGNORE redefinition"<<std::endl;
return;
}
// Check that the special contents are not redefined as different id
// because it would mess up everything
if((def.name == "ignore" && c != CONTENT_IGNORE) ||
(def.name == "air" && c != CONTENT_AIR)){
errorstream<<"registerNode: IGNORING ERROR: "
<<"trying to register built-in type \""
<<def.name<<"\" as different id"<<std::endl;
return;
}
2011-11-14 20:41:30 +01:00
m_content_features[c] = def;
2011-11-16 12:03:28 +01:00
if(def.name != "")
addNameIdMapping(c, def.name);
2011-11-14 20:41:30 +01:00
}
2011-11-16 12:03:28 +01:00
virtual content_t set(const std::string &name,
const ContentFeatures &def)
2011-11-14 20:41:30 +01:00
{
2011-11-16 12:03:28 +01:00
assert(name == def.name);
u16 id = CONTENT_IGNORE;
bool found = m_name_id_mapping.getId(name, id); // ignore aliases
2011-11-16 12:03:28 +01:00
if(!found){
// Determine if full param2 is required
bool require_full_param2 = (
def.param_type_2 == CPT2_FULL
2011-11-16 12:03:28 +01:00
||
def.param_type_2 == CPT2_FLOWINGLIQUID
||
def.legacy_wallmounted
2011-11-16 12:03:28 +01:00
);
// Get some id
id = getFreeId(require_full_param2);
if(id == CONTENT_IGNORE)
return CONTENT_IGNORE;
if(name != "")
addNameIdMapping(id, name);
2011-11-16 12:03:28 +01:00
}
set(id, def);
return id;
}
virtual content_t allocateDummy(const std::string &name)
{
assert(name != "");
ContentFeatures f;
f.name = name;
return set(name, f);
2011-11-14 20:41:30 +01:00
}
virtual void updateAliases(IItemDefManager *idef)
2011-12-03 22:50:31 +01:00
{
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));
}
2011-12-03 22:50:31 +01:00
}
}
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(u16 i=0; i<=MAX_CONTENT; i++)
{
ContentFeatures *f = &m_content_features[i];
std::string tname_tiles[6];
for(u32 j=0; j<6; j++)
{
tname_tiles[j] = f->tname_tiles[j];
if(tname_tiles[j] == "")
tname_tiles[j] = "unknown_block.png";
}
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;
if(f->alpha == 255)
f->solidness = 2;
f->backface_culling = false;
}
break;
case NDT_FLOWINGLIQUID:
assert(f->liquid_type == LIQUID_FLOWING);
f->solidness = 0;
if(opaque_water)
f->alpha = 255;
break;
case NDT_GLASSLIKE:
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++){
tname_tiles[i] += std::string("^[noalpha");
}
}
break;
case NDT_TORCHLIKE:
case NDT_SIGNLIKE:
case NDT_PLANTLIKE:
case NDT_FENCELIKE:
case NDT_RAILLIKE:
f->solidness = 0;
break;
}
2011-11-15 13:43:15 +01:00
// Tile textures
for(u16 j=0; j<6; j++){
f->tiles[j].texture = tsrc->getTexture(tname_tiles[j]);
2011-11-15 13:43:15 +01:00
f->tiles[j].alpha = f->alpha;
if(f->alpha == 255)
f->tiles[j].material_type = MATERIAL_ALPHA_SIMPLE;
else
f->tiles[j].material_type = MATERIAL_ALPHA_VERTEX;
f->tiles[j].material_flags = 0;
2011-11-15 13:43:15 +01:00
if(f->backface_culling)
f->tiles[j].material_flags |= MATERIAL_FLAG_BACKFACE_CULLING;
}
// Special tiles
for(u16 j=0; j<CF_SPECIAL_COUNT; j++){
f->special_tiles[j].texture = tsrc->getTexture(f->mspec_special[j].tname);
f->special_tiles[j].alpha = f->alpha;
if(f->alpha == 255)
f->special_tiles[j].material_type = MATERIAL_ALPHA_SIMPLE;
else
f->special_tiles[j].material_type = MATERIAL_ALPHA_VERTEX;
f->special_tiles[j].material_flags = 0;
if(f->mspec_special[j].backface_culling)
f->special_tiles[j].material_flags |= MATERIAL_FLAG_BACKFACE_CULLING;
}
}
#endif
}
void serialize(std::ostream &os)
{
2012-03-25 17:45:27 +02:00
writeU8(os, 1); // version
2011-11-15 19:32:56 +01:00
u16 count = 0;
2012-03-25 17:45:27 +02:00
std::ostringstream os2(std::ios::binary);
for(u16 i=0; i<=MAX_CONTENT; i++)
{
2011-11-16 12:03:28 +01:00
if(i == CONTENT_IGNORE || i == CONTENT_AIR)
continue;
ContentFeatures *f = &m_content_features[i];
2011-11-16 08:36:19 +01:00
if(f->name == "")
continue;
2012-03-25 17:45:27 +02:00
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);
os2<<serializeString(wrapper_os.str());
2011-11-15 19:32:56 +01:00
count++;
}
2011-11-15 19:32:56 +01:00
writeU16(os, count);
2012-03-25 17:45:27 +02:00
os<<serializeLongString(os2.str());
}
void deSerialize(std::istream &is)
{
clear();
2012-03-25 17:45:27 +02:00
int version = readU8(is);
if(version != 1)
throw SerializationError("unsupported NodeDefinitionManager version");
2011-11-15 19:32:56 +01:00
u16 count = readU16(is);
2012-03-25 17:45:27 +02:00
std::istringstream is2(deSerializeLongString(is), std::ios::binary);
2011-11-15 19:32:56 +01:00
for(u16 n=0; n<count; n++){
2012-03-25 17:45:27 +02:00
u16 i = readU16(is2);
if(i > MAX_CONTENT){
errorstream<<"ContentFeatures::deSerialize(): "
<<"Too large content id: "<<i<<std::endl;
continue;
}
/*// Do not deserialize special types
if(i == CONTENT_IGNORE || i == CONTENT_AIR)
continue;*/
ContentFeatures *f = &m_content_features[i];
2012-03-25 17:45:27 +02:00
// Read it from the string wrapper
std::string wrapper = deSerializeString(is2);
std::istringstream wrapper_is(wrapper, std::ios::binary);
f->deSerialize(wrapper_is);
2011-11-16 12:03:28 +01:00
if(f->name != "")
addNameIdMapping(i, f->name);
}
}
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));
}
2011-11-14 20:41:30 +01:00
private:
2011-12-03 22:50:31 +01:00
// Features indexed by id
2011-11-14 20:41:30 +01:00
ContentFeatures m_content_features[MAX_CONTENT+1];
2011-12-03 22:50:31 +01:00
// A mapping for fast converting back and forth between names and ids
2011-11-16 12:03:28 +01:00
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;
2011-11-14 20:41:30 +01:00
};
2011-11-15 13:43:15 +01:00
IWritableNodeDefManager* createNodeDefManager()
2011-11-14 20:41:30 +01:00
{
2011-11-15 13:43:15 +01:00
return new CNodeDefManager();
2011-11-14 20:41:30 +01:00
}