mirror of
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105 lines
2.5 KiB
C++
105 lines
2.5 KiB
C++
/*
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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
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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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.,
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "quicktune.h"
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#include "threading/mutex_auto_lock.h"
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#include "util/string.h"
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std::string QuicktuneValue::getString()
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{
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switch(type){
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case QVT_NONE:
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return "(none)";
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case QVT_FLOAT:
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return ftos(value_QVT_FLOAT.current);
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}
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return "<invalid type>";
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}
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void QuicktuneValue::relativeAdd(float amount)
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{
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switch(type){
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case QVT_NONE:
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break;
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case QVT_FLOAT:
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value_QVT_FLOAT.current += amount * (value_QVT_FLOAT.max - value_QVT_FLOAT.min);
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if(value_QVT_FLOAT.current > value_QVT_FLOAT.max)
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value_QVT_FLOAT.current = value_QVT_FLOAT.max;
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if(value_QVT_FLOAT.current < value_QVT_FLOAT.min)
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value_QVT_FLOAT.current = value_QVT_FLOAT.min;
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break;
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}
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}
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static std::map<std::string, QuicktuneValue> g_values;
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static std::vector<std::string> g_names;
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std::mutex *g_mutex = NULL;
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static void makeMutex()
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{
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if(!g_mutex){
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g_mutex = new std::mutex();
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}
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}
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std::vector<std::string> getQuicktuneNames()
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{
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return g_names;
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}
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QuicktuneValue getQuicktuneValue(const std::string &name)
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{
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makeMutex();
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MutexAutoLock lock(*g_mutex);
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std::map<std::string, QuicktuneValue>::iterator i = g_values.find(name);
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if(i == g_values.end()){
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QuicktuneValue val;
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val.type = QVT_NONE;
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return val;
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}
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return i->second;
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}
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void setQuicktuneValue(const std::string &name, const QuicktuneValue &val)
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{
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makeMutex();
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MutexAutoLock lock(*g_mutex);
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g_values[name] = val;
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g_values[name].modified = true;
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}
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void updateQuicktuneValue(const std::string &name, QuicktuneValue &val)
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{
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makeMutex();
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MutexAutoLock lock(*g_mutex);
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std::map<std::string, QuicktuneValue>::iterator i = g_values.find(name);
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if(i == g_values.end()){
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g_values[name] = val;
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g_names.push_back(name);
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return;
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}
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QuicktuneValue &ref = i->second;
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if(ref.modified)
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val = ref;
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else{
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ref = val;
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ref.modified = false;
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}
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}
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