Line data    Source code

       1             : /*
       2             : Minetest
       3             : Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
       4             : 
       5             : This program is free software; you can redistribute it and/or modify
       6             : it under the terms of the GNU Lesser General Public License as published by
       7             : the Free Software Foundation; either version 2.1 of the License, or
       8             : (at your option) any later version.
       9             : 
      10             : This program is distributed in the hope that it will be useful,
      11             : but WITHOUT ANY WARRANTY; without even the implied warranty of
      12             : MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
      13             : GNU Lesser General Public License for more details.
      14             : 
      15             : You should have received a copy of the GNU Lesser General Public License along
      16             : with this program; if not, write to the Free Software Foundation, Inc.,
      17             : 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
      18             : */
      19             : 
      20             : #include "quicktune.h"
      21             : #include "jthread/jmutex.h"
      22             : #include "jthread/jmutexautolock.h"
      23             : #include "util/string.h"
      24             : 
      25           0 : std::string QuicktuneValue::getString()
      26             : {
      27           0 :         switch(type){
      28             :         case QVT_NONE:
      29           0 :                 return "(none)";
      30             :         case QVT_FLOAT:
      31           0 :                 return ftos(value_QVT_FLOAT.current);
      32             :         }
      33           0 :         return "<invalid type>";
      34             : }
      35           0 : void QuicktuneValue::relativeAdd(float amount)
      36             : {
      37           0 :         switch(type){
      38             :         case QVT_NONE:
      39           0 :                 break;
      40             :         case QVT_FLOAT:
      41           0 :                 value_QVT_FLOAT.current += amount * (value_QVT_FLOAT.max - value_QVT_FLOAT.min);
      42           0 :                 if(value_QVT_FLOAT.current > value_QVT_FLOAT.max)
      43           0 :                         value_QVT_FLOAT.current = value_QVT_FLOAT.max;
      44           0 :                 if(value_QVT_FLOAT.current < value_QVT_FLOAT.min)
      45           0 :                         value_QVT_FLOAT.current = value_QVT_FLOAT.min;
      46           0 :                 break;
      47             :         }
      48           0 : }
      49             : 
      50           1 : static std::map<std::string, QuicktuneValue> g_values;
      51           1 : static std::vector<std::string> g_names;
      52             : JMutex *g_mutex = NULL;
      53             : 
      54           0 : static void makeMutex()
      55             : {
      56           0 :         if(!g_mutex){
      57           0 :                 g_mutex = new JMutex();
      58             :         }
      59           0 : }
      60             : 
      61           1 : std::vector<std::string> getQuicktuneNames()
      62             : {
      63           1 :         return g_names;
      64             : }
      65             : 
      66           0 : QuicktuneValue getQuicktuneValue(const std::string &name)
      67             : {
      68           0 :         makeMutex();
      69           0 :         JMutexAutoLock lock(*g_mutex);
      70           0 :         std::map<std::string, QuicktuneValue>::iterator i = g_values.find(name);
      71           0 :         if(i == g_values.end()){
      72           0 :                 QuicktuneValue val;
      73           0 :                 val.type = QVT_NONE;
      74           0 :                 return val;
      75             :         }
      76           0 :         return i->second;
      77             : }
      78             : 
      79           0 : void setQuicktuneValue(const std::string &name, const QuicktuneValue &val)
      80             : {
      81           0 :         makeMutex();
      82           0 :         JMutexAutoLock lock(*g_mutex);
      83           0 :         g_values[name] = val;
      84           0 :         g_values[name].modified = true;
      85           0 : }
      86             : 
      87           0 : void updateQuicktuneValue(const std::string &name, QuicktuneValue &val)
      88             : {
      89           0 :         makeMutex();
      90           0 :         JMutexAutoLock lock(*g_mutex);
      91           0 :         std::map<std::string, QuicktuneValue>::iterator i = g_values.find(name);
      92           0 :         if(i == g_values.end()){
      93           0 :                 g_values[name] = val;
      94           0 :                 g_names.push_back(name);
      95           0 :                 return;
      96             :         }
      97           0 :         QuicktuneValue &ref = i->second;
      98           0 :         if(ref.modified)
      99           0 :                 val = ref;
     100             :         else{
     101           0 :                 ref = val;
     102           0 :                 ref.modified = false;
     103             :         }
     104           3 : }
     105             :