renamed all .h to .hpp
[supertux.git] / src / object / ambient_sound.cpp
index bec0d9c..68253b0 100644 (file)
 #include <config.h>
 
 #include <math.h>
+#include <stdexcept>
 
-#include "ambient_sound.h"
-#include "object_factory.h"
-#include "lisp/lisp.h"
-#include "sector.h"
+#include "ambient_sound.hpp"
+#include "object_factory.hpp"
+#include "lisp/lisp.hpp"
+#include "sector.hpp"
+#include "audio/sound_manager.hpp"
+#include "audio/sound_source.hpp"
 
 AmbientSound::AmbientSound(const lisp::Lisp& lisp)
 {
-
   position.x=0;
   position.y=0;
 
@@ -51,6 +53,13 @@ AmbientSound::AmbientSound(const lisp::Lisp& lisp)
   lisp.get("sample"         ,sample         );
   lisp.get("volume"         ,maximumvolume  );
 
+  // set dimension to zero if smaller than 64, which is default size in flexlay
+  
+  if ((dimension.x <= 64) || (dimension.y <= 64)) {
+    dimension.x = 0;
+    dimension.y = 0;
+  }
+  
   // square all distances (saves us a sqrt later)
 
   distance_bias*=distance_bias;
@@ -65,7 +74,31 @@ AmbientSound::AmbientSound(const lisp::Lisp& lisp)
   
   lisp.get("silence_distance",silence_distance);
 
-  playing=-1; // not playing at the beginning
+  sound_source = 0; // not playing at the beginning
+  latency=0;
+}
+
+AmbientSound::AmbientSound(Vector pos, float factor, float bias, float vol, std::string file)
+{
+  position.x=pos.x;
+  position.y=pos.y;
+
+  dimension.x=0;
+  dimension.y=0;
+
+  distance_factor=factor*factor;
+  distance_bias=bias*bias;
+  maximumvolume=vol;
+  sample=file;
+  
+  // set default silence_distance
+
+  if (distance_factor == 0)
+    silence_distance = 10e99;
+  else
+    silence_distance = 1/distance_factor;
+
+  sound_source = 0; // not playing at the beginning
   latency=0;
 }
 
@@ -80,18 +113,30 @@ AmbientSound::hit(Player& )
 
 void
 AmbientSound::stop_playing() {
-  if (playing>=0) {
-    Mix_HaltChannel(playing);
-    playing=-1;
-  }
+  delete sound_source;
+  sound_source = 0;
 }
 
 void
 AmbientSound::start_playing()
 {
-  playing=sound_manager->play_sound(sample,-1);
-  Mix_Volume(playing,0);
-  currentvolume=targetvolume=1e-20;
+  try {
+    std::string filename = "sounds/";
+    filename += sample;
+    filename += ".wav";
+    sound_source = sound_manager->create_sound_source(filename);
+    if(!sound_source)
+      throw std::runtime_error("file not found");
+   
+    sound_source->set_gain(0);
+    sound_source->set_looping(true);
+    currentvolume=targetvolume=1e-20;
+    sound_source->play();
+  } catch(std::exception& e) {
+    std::cerr << "Couldn't play '" << sample << "': " << e.what() << "\n";
+    delete sound_source;
+    sound_source = 0;
+  }
 }
 
 void
@@ -136,10 +181,10 @@ AmbientSound::update(float deltat)
     currentvolume*=pow(rise,deltat*10);
     currentvolume += 1e-6; // volume is at least 1e-6 (0 would never rise)
 
-    if (playing>=0) {
+    if (sound_source != 0) {
 
       // set the volume
-      Mix_Volume(playing,(int)(currentvolume*maximumvolume*MIX_MAX_VOLUME));
+      sound_source->set_gain(currentvolume*maximumvolume);
 
       if (sqrdistance>=silence_distance && currentvolume<1e-3)
        stop_playing();