Optimize active block modifier stuff (was left horribly unoptimized after making content ids dynamic) - minetest.git

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author	Perttu Ahola <celeron55@gmail.com>	2011-11-26 12:34:52 +0200
committer	Perttu Ahola <celeron55@gmail.com>	2011-11-29 19:13:53 +0200
commit	1ce749c86a2af539549ecefab5d3de0fde8aeedf (patch)
tree	4ae1657c8c6f972384f5ee0b02a57eb3cbdacbf2 /.gitattributes
parent	08c9b6037dd671cf47a31f78176594dd49a24b33 (diff)
download	minetest-1ce749c86a2af539549ecefab5d3de0fde8aeedf.tar.gz minetest-1ce749c86a2af539549ecefab5d3de0fde8aeedf.tar.bz2 minetest-1ce749c86a2af539549ecefab5d3de0fde8aeedf.zip

Optimize active block modifier stuff (was left horribly unoptimized after making content ids dynamic)

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0 files changed, 0 insertions, 0 deletions

/* Minetest Copyright (C) 2017-8 rubenwardy <rw@rubenwardy.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 "itemstackmetadata.h" #include "util/serialize.h" #include "util/strfnd.h" #include <algorithm> #define DESERIALIZE_START '\x01' #define DESERIALIZE_KV_DELIM '\x02' #define DESERIALIZE_PAIR_DELIM '\x03' #define DESERIALIZE_START_STR "\x01" #define DESERIALIZE_KV_DELIM_STR "\x02" #define DESERIALIZE_PAIR_DELIM_STR "\x03" #define TOOLCAP_KEY "tool_capabilities" void ItemStackMetadata::clear() { Metadata::clear(); updateToolCapabilities(); } static void sanitize_string(std::string &str) { str.erase(std::remove(str.begin(), str.end(), DESERIALIZE_START), str.end()); str.erase(std::remove(str.begin(), str.end(), DESERIALIZE_KV_DELIM), str.end()); str.erase(std::remove(str.begin(), str.end(), DESERIALIZE_PAIR_DELIM), str.end()); } bool ItemStackMetadata::setString(const std::string &name, const std::string &var) { std::string clean_name = name; std::string clean_var = var; sanitize_string(clean_name); sanitize_string(clean_var); bool result = Metadata::setString(clean_name, clean_var); if (clean_name == TOOLCAP_KEY) updateToolCapabilities(); return result; } void ItemStackMetadata::serialize(std::ostream &os) const { std::ostringstream os2; os2 << DESERIALIZE_START; for (const auto &stringvar : m_stringvars) { if (!stringvar.first.empty() || !stringvar.second.empty()) os2 << stringvar.first << DESERIALIZE_KV_DELIM << stringvar.second << DESERIALIZE_PAIR_DELIM; } os << serializeJsonStringIfNeeded(os2.str()); } void ItemStackMetadata::deSerialize(std::istream &is) { std::string in = deSerializeJsonStringIfNeeded(is); m_stringvars.clear(); if (!in.empty()) { if (in[0] == DESERIALIZE_START) { Strfnd fnd(in); fnd.to(1); while (!fnd.at_end()) { std::string name = fnd.next(DESERIALIZE_KV_DELIM_STR); std::string var = fnd.next(DESERIALIZE_PAIR_DELIM_STR); m_stringvars[name] = var; } } else { // BACKWARDS COMPATIBILITY m_stringvars[""] = in; } } updateToolCapabilities(); } void ItemStackMetadata::updateToolCapabilities() { if (contains(TOOLCAP_KEY)) { toolcaps_overridden = true; toolcaps_override = ToolCapabilities(); std::istringstream is(getString(TOOLCAP_KEY)); toolcaps_override.deserializeJson(is); } else { toolcaps_overridden = false; } } void ItemStackMetadata::setToolCapabilities(const ToolCapabilities &caps) { std::ostringstream os; caps.serializeJson(os); setString(TOOLCAP_KEY, os.str()); } void ItemStackMetadata::clearToolCapabilities() { setString(TOOLCAP_KEY, ""); }


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