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Diffstat (limited to 'src/util/quicktune.cpp')
-rw-r--r-- | src/util/quicktune.cpp | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/src/util/quicktune.cpp b/src/util/quicktune.cpp new file mode 100644 index 000000000..37d4933de --- /dev/null +++ b/src/util/quicktune.cpp @@ -0,0 +1,104 @@ +/* +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 "quicktune.h" +#include "threading/mutex_auto_lock.h" +#include "util/string.h" + +std::string QuicktuneValue::getString() +{ + switch(type){ + case QVT_NONE: + return "(none)"; + case QVT_FLOAT: + return ftos(value_QVT_FLOAT.current); + } + return "<invalid type>"; +} +void QuicktuneValue::relativeAdd(float amount) +{ + switch(type){ + case QVT_NONE: + break; + case QVT_FLOAT: + value_QVT_FLOAT.current += amount * (value_QVT_FLOAT.max - value_QVT_FLOAT.min); + if(value_QVT_FLOAT.current > value_QVT_FLOAT.max) + value_QVT_FLOAT.current = value_QVT_FLOAT.max; + if(value_QVT_FLOAT.current < value_QVT_FLOAT.min) + value_QVT_FLOAT.current = value_QVT_FLOAT.min; + break; + } +} + +static std::map<std::string, QuicktuneValue> g_values; +static std::vector<std::string> g_names; +std::mutex *g_mutex = NULL; + +static void makeMutex() +{ + if(!g_mutex){ + g_mutex = new std::mutex(); + } +} + +std::vector<std::string> getQuicktuneNames() +{ + return g_names; +} + +QuicktuneValue getQuicktuneValue(const std::string &name) +{ + makeMutex(); + MutexAutoLock lock(*g_mutex); + std::map<std::string, QuicktuneValue>::iterator i = g_values.find(name); + if(i == g_values.end()){ + QuicktuneValue val; + val.type = QVT_NONE; + return val; + } + return i->second; +} + +void setQuicktuneValue(const std::string &name, const QuicktuneValue &val) +{ + makeMutex(); + MutexAutoLock lock(*g_mutex); + g_values[name] = val; + g_values[name].modified = true; +} + +void updateQuicktuneValue(const std::string &name, QuicktuneValue &val) +{ + makeMutex(); + MutexAutoLock lock(*g_mutex); + std::map<std::string, QuicktuneValue>::iterator i = g_values.find(name); + if(i == g_values.end()){ + g_values[name] = val; + g_names.push_back(name); + return; + } + QuicktuneValue &ref = i->second; + if(ref.modified) + val = ref; + else{ + ref = val; + ref.modified = false; + } +} + |