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Derive NodeMetadata from Metadata

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This commit is contained in:
rubenwardy 2017-01-31 14:45:28 +00:00
parent de664b1c6d
commit bbdd869d72
6 changed files with 135 additions and 56 deletions
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2
build/android/jni/Android.mk
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@ -184,6 +184,7 @@ LOCAL_SRC_FILES := \
jni/src/mapnode.cpp \
jni/src/mapsector.cpp \
jni/src/mesh.cpp \
jni/src/metadata.cpp \
jni/src/mg_biome.cpp \
jni/src/mg_decoration.cpp \
jni/src/mg_ore.cpp \
@ -384,4 +385,3 @@ ifdef GPROF
$(call import-module,android-ndk-profiler)
endif
$(call import-module,android/native_app_glue)

2
src/CMakeLists.txt
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@ -430,6 +430,7 @@ set(common_SRCS
mapgen_valleys.cpp
mapnode.cpp
mapsector.cpp
metadata.cpp
mg_biome.cpp
mg_decoration.cpp
mg_ore.cpp
@ -893,4 +894,3 @@ endif()
if (BUILD_CLIENT AND USE_FREETYPE)
add_subdirectory(cguittfont)
endif()

69
src/metadata.cpp Normal file
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@ -0,0 +1,69 @@
/*
Minetest
Copyright (C) 2010-2013 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 "metadata.h"
#include "exceptions.h"
#include "gamedef.h"
#include "log.h"
#include <sstream>
/*
Metadata
*/
void Metadata::clear()
{
m_stringvars.clear();
}
bool Metadata::empty() const
{
return m_stringvars.size() == 0;
}
std::string Metadata::getString(const std::string &name,
u16 recursion) const
{
StringMap::const_iterator it = m_stringvars.find(name);
if (it == m_stringvars.end())
return "";
return resolveString(it->second, recursion);
}
void Metadata::setString(const std::string &name, const std::string &var)
{
if (var.empty()) {
m_stringvars.erase(name);
} else {
m_stringvars[name] = var;
}
}
std::string Metadata::resolveString(const std::string &str,
u16 recursion) const
{
if (recursion > 1) {
return str;
}
if (str.substr(0, 2) == "${" && str[str.length() - 1] == '}') {
return getString(str.substr(2, str.length() - 3), recursion + 1);
}
return str;
}

59
src/metadata.h Normal file
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@ -0,0 +1,59 @@
/*
Minetest
Copyright (C) 2010-2013 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.
*/
#ifndef METADATA_HEADER
#define METADATA_HEADER
#include "irr_v3d.h"
#include <iostream>
#include <vector>
#include "util/string.h"
/*
NodeMetadata stores arbitary amounts of data for special blocks.
Used for furnaces, chests and signs.
There are two interaction methods: inventory menu and text input.
Only one can be used for a single metadata, thus only inventory OR
text input should exist in a metadata.
*/
class Inventory;
class IItemDefManager;
class Metadata
{
public:
void clear();
bool empty() const;
// Generic key/value store
std::string getString(const std::string &name, u16 recursion = 0) const;
void setString(const std::string &name, const std::string &var);
// Support variable names in values
std::string resolveString(const std::string &str, u16 recursion = 0) const;
const StringMap &getStrings() const
{
return m_stringvars;
}
private:
StringMap m_stringvars;
};
#endif

40
src/nodemetadata.cpp
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@ -31,10 +31,8 @@ with this program; if not, write to the Free Software Foundation, Inc.,
*/
NodeMetadata::NodeMetadata(IItemDefManager *item_def_mgr):
m_stringvars(),
m_inventory(new Inventory(item_def_mgr))
{
}
{}
NodeMetadata::~NodeMetadata()
{
@ -70,13 +68,13 @@ void NodeMetadata::deSerialize(std::istream &is)
void NodeMetadata::clear()
{
m_stringvars.clear();
Metadata::clear();
m_inventory->clear();
}
bool NodeMetadata::empty() const
{
return m_stringvars.size() == 0 && m_inventory->getLists().size() == 0;
return Metadata::empty() && m_inventory->getLists().size() == 0;
}
/*
@ -216,35 +214,3 @@ int NodeMetadataList::countNonEmpty() const
}
return n;
}
std::string NodeMetadata::getString(const std::string &name,
unsigned short recursion) const
{
StringMap::const_iterator it = m_stringvars.find(name);
if (it == m_stringvars.end())
return "";
return resolveString(it->second, recursion);
}
void NodeMetadata::setString(const std::string &name, const std::string &var)
{
if (var.empty()) {
m_stringvars.erase(name);
} else {
m_stringvars[name] = var;
}
}
std::string NodeMetadata::resolveString(const std::string &str,
unsigned short recursion) const
{
if (recursion > 1) {
return str;
}
if (str.substr(0, 2) == "${" && str[str.length() - 1] == '}') {
return getString(str.substr(2, str.length() - 3), recursion + 1);
}
return str;
}

19
src/nodemetadata.h
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@ -20,10 +20,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
#ifndef NODEMETADATA_HEADER
#define NODEMETADATA_HEADER
#include "irr_v3d.h"
#include <iostream>
#include <vector>
#include "util/string.h"
#include "metadata.h"
/*
NodeMetadata stores arbitary amounts of data for special blocks.
@ -37,7 +34,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
class Inventory;
class IItemDefManager;
class NodeMetadata
class NodeMetadata : public Metadata
{
public:
NodeMetadata(IItemDefManager *item_def_mgr);
@ -49,16 +46,6 @@ public:
void clear();
bool empty() const;
// Generic key/value store
std::string getString(const std::string &name, unsigned short recursion = 0) const;
void setString(const std::string &name, const std::string &var);
// Support variable names in values
std::string resolveString(const std::string &str, unsigned short recursion = 0) const;
StringMap getStrings() const
{
return m_stringvars;
}
// The inventory
Inventory *getInventory()
{
@ -66,7 +53,6 @@ public:
}
private:
StringMap m_stringvars;
Inventory *m_inventory;
};
@ -101,4 +87,3 @@ private:
};
#endif