Make tsync part of libSimGearCore when building shared libraries

[simgear.git] / simgear / sound / xmlsound.cxx

diff --git a/simgear/sound/xmlsound.cxx b/simgear/sound/xmlsound.cxx
index 616d9514f59d976da1c4e4a7f32437929a8e8b3c..f680f47a185a816362021f412212d73674919f30 100644 (file)
--- a/simgear/sound/xmlsound.cxx
+++ b/simgear/sound/xmlsound.cxx
@@ -30,6 +30,7 @@
 #include <string.h>
 
 #include <simgear/debug/logstream.hxx>
+#include <simgear/props/props.hxx>
 #include <simgear/props/condition.hxx>
 #include <simgear/math/SGMath.hxx>
 #include <simgear/structure/exception.hxx>
@@ -68,7 +69,8 @@ SGXmlSound::SGXmlSound()
     _dt_play(0.0),
     _dt_stop(0.0),
     _delay(0.0),
-    _stopping(0.0)
+    _stopping(0.0),
+    _initialized(false)
 {
 }
 
@@ -84,7 +86,7 @@ SGXmlSound::~SGXmlSound()
 void
 SGXmlSound::init(SGPropertyNode *root, SGPropertyNode *node,
                  SGSampleGroup *sgrp, SGSampleGroup *avionics,
-                 const string &path)
+                 const SGPath& currentDir)
 {
 
    //
@@ -92,7 +94,7 @@ SGXmlSound::init(SGPropertyNode *root, SGPropertyNode *node,
    //
 
    _name = node->getStringValue("name", "");
-   SG_LOG(SG_GENERAL, SG_DEBUG, "Loading sound information for: " << _name );
+   SG_LOG(SG_SOUND, SG_DEBUG, "Loading sound information for: " << _name );
 
    string mode_str = node->getStringValue("mode", "");
    if ( mode_str == "looped" ) {
@@ -119,7 +121,7 @@ SGXmlSound::init(SGPropertyNode *root, SGPropertyNode *node,
       _condition = sgReadCondition(root, condition);
 
    if (!_property && !_condition)
-      SG_LOG(SG_GENERAL, SG_WARN,
+      SG_LOG(SG_SOUND, SG_WARN,
              "  Neither a condition nor a property specified");
 
    _delay = node->getDoubleValue("delay-sec", 0.0);
@@ -159,19 +161,19 @@ SGXmlSound::init(SGPropertyNode *root, SGPropertyNode *node,
             }
 
          if (!volume.fn)
-            SG_LOG(SG_GENERAL,SG_INFO,
+            SG_LOG(SG_SOUND,SG_INFO,
                    "  Unknown volume type, default to 'lin'");
       }
 
       volume.offset = kids[i]->getDoubleValue("offset", 0.0);
 
       if ((volume.min = kids[i]->getDoubleValue("min", 0.0)) < 0.0)
-         SG_LOG( SG_GENERAL, SG_WARN,
+         SG_LOG( SG_SOUND, SG_WARN,
           "Volume minimum value below 0. Forced to 0.");
 
       volume.max = kids[i]->getDoubleValue("max", 0.0);
       if (volume.max && (volume.max < volume.min) )
-         SG_LOG(SG_GENERAL,SG_ALERT,
+         SG_LOG(SG_SOUND,SG_ALERT,
                 "  Volume maximum below minimum. Neglected.");
 
       _volume.push_back(volume);
@@ -217,19 +219,19 @@ SGXmlSound::init(SGPropertyNode *root, SGPropertyNode *node,
             }
 
          if (!pitch.fn)
-            SG_LOG(SG_GENERAL,SG_INFO,
+            SG_LOG(SG_SOUND,SG_INFO,
                    "  Unknown pitch type, default to 'lin'");
       }
      
       pitch.offset = kids[i]->getDoubleValue("offset", 1.0);
 
       if ((pitch.min = kids[i]->getDoubleValue("min", 0.0)) < 0.0)
-         SG_LOG(SG_GENERAL,SG_WARN,
+         SG_LOG(SG_SOUND,SG_WARN,
                 "  Pitch minimum value below 0. Forced to 0.");
 
       pitch.max = kids[i]->getDoubleValue("max", 0.0);
       if (pitch.max && (pitch.max < pitch.min) )
-         SG_LOG(SG_GENERAL,SG_ALERT,
+         SG_LOG(SG_SOUND,SG_ALERT,
                 "  Pitch maximum below minimum. Neglected");
 
       _pitch.push_back(pitch);
@@ -272,9 +274,10 @@ SGXmlSound::init(SGPropertyNode *root, SGPropertyNode *node,
    } else {
       _sgrp = sgrp;
    }
-   _sample = new SGSoundSample( path.c_str(), node->getStringValue("path", ""));
+   string soundFileStr = node->getStringValue("path", "");
+   _sample = new SGSoundSample(soundFileStr.c_str(), currentDir);
    if (!_sample->file_path().exists()) {
-      throw sg_io_exception("XML sound: couldn't find file: " + _sample->file_path().str());
+      throw sg_io_exception("XML sound: couldn't find file: '" + soundFileStr + "'");
    }
    
    _sample->set_relative_position( offset_pos );
@@ -298,6 +301,13 @@ SGXmlSound::update (double dt)
    if (_property)
        curr_value = _property->getDoubleValue();
 
+   if (!_initialized)
+   {
+       // update initial value before detecting changes
+       _prev_value  = curr_value;
+       _initialized = true;
+   }
+
    // If a condition is defined, test whether it is FALSE,
    // else
    //   if a property is defined then test if it's value is FALSE
@@ -316,7 +326,7 @@ SGXmlSound::update (double dt)
        if ((_mode != SGXmlSound::IN_TRANSIT) || (_stopping > MAX_TRANSIT_TIME))
        {
            if (_sample->is_playing()) {
-               SG_LOG(SG_GENERAL, SG_DEBUG, "Stopping audio after " << _dt_play
+               SG_LOG(SG_SOUND, SG_DEBUG, "Stopping audio after " << _dt_play
                       << " sec: " << _name );
 
                _sample->stop();
@@ -437,7 +447,7 @@ SGXmlSound::update (double dt)
 
    double vol = volume_offset + volume;
    if (vol > 1.0) {
-      SG_LOG(SG_GENERAL, SG_DEBUG, "Sound volume too large for '"
+      SG_LOG(SG_SOUND, SG_DEBUG, "Sound volume too large for '"
               << _name << "':  " << vol << "  ->  clipping to 1.0");
       vol = 1.0;
    }
@@ -456,9 +466,9 @@ SGXmlSound::update (double dt)
       else
          _sample->play(true);
 
-      SG_LOG(SG_GENERAL, SG_DEBUG, "Playing audio after " << _dt_stop 
+      SG_LOG(SG_SOUND, SG_DEBUG, "Playing audio after " << _dt_stop
                                    << " sec: " << _name);
-      SG_LOG(SG_GENERAL, SG_DEBUG,
+      SG_LOG(SG_SOUND, SG_DEBUG,
                          "Playing " << ((_mode == ONCE) ? "once" : "looped"));
 
       _active = true;