From: Bastiaan Zapf <bzapf@example.org>
Date: Fri, 6 May 2005 17:15:54 +0000 (+0000)
Subject: SVN-Revision: 2418
X-Git-Url: https://git.verplant.org/?a=commitdiff_plain;h=20ca5e7c49d7d98aee81921ea706829e5ff231ed;p=supertux.git

SVN-Revision: 2418
---

diff --git a/data/levels/test/ambient_sound.stl b/data/levels/test/ambient_sound.stl
new file mode 100644
index 000000000..63ab6764d
--- /dev/null
+++ b/data/levels/test/ambient_sound.stl
@@ -0,0 +1,149 @@
+;; Generated by Flexlay Editor
+(supertux-level
+  (version 2)
+  (name   (_ "Ambient Sound Test"))
+  (author "basti_")
+  (sector
+    (name  "main")
+    (gravity 10.000000)
+    (background (image "arctis.jpg")
+                (speed 0.5))
+    (tilemap
+      (layer  "background")
+      (solid #f)
+      (speed  1.000000)
+      (width  30)
+      (height 30)
+      (tiles
+        0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 
+        0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 
+        0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 
+        0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 
+        0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 
+        0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 
+        0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 
+        0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 
+        0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 
+        0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 
+        0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 
+        0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 
+        0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 
+        0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 
+        0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 
+        0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 
+        0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 
+        0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 
+        0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 
+        0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 
+        0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 
+        0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 
+        0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 
+        0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 
+        0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 
+        0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 
+        0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 
+        0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 
+        0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 
+        0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 
+        ))
+    (tilemap
+      (layer  "interactive")
+      (solid #t)
+      (speed  1.000000)
+      (width  30)
+      (height 30)
+      (tiles
+        61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 
+        61 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 61 
+        61 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 61 
+        61 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 61 
+        61 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 61 
+        61 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 61 
+        61 0 0 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 
+61 0 0 0 0 0 0 61 
+        61 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 61 
+        61 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 61 0 0 0 61 61 
+        61 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 61 61 0 0 0 61 
+        61 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 61 
+        61 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 61 61 
+        61 0 0 0 0 61 61 61 61 61 61 61 61 0 0 0 0 0 0 0 0 0 0 0 0 61 0 
+0 0 61 
+        61 0 0 0 0 0 0 0 0 0 0 0 61 0 0 0 0 0 0 0 0 0 0 0 0 61 61 0 0 61 
+        61 0 0 0 0 0 0 0 0 0 0 0 61 61 61 61 0 0 0 0 0 0 0 0 0 0 0 0 0 
+61 
+        61 0 0 0 0 0 0 0 0 0 0 0 0 0 0 61 61 61 0 0 0 0 0 0 0 0 0 0 0 61 
+        61 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 61 0 0 0 0 0 0 0 0 0 0 61 61 
+        61 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 61 61 61 0 0 0 0 61 0 0 0 0 
+61 
+        61 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 61 0 0 0 0 61 61 0 0 0 61 
+        61 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 61 61 61 0 0 0 0 0 0 0 61 
+        61 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 61 0 0 0 0 0 0 0 61 
+        61 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 61 61 61 0 0 0 0 61 
+61 
+        61 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 61 0 0 0 0 0 61 
+        61 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 61 61 61 0 0 0 61 
+        61 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 61 0 0 0 61 
+        61 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 61 61 0 0 61 
+        61 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 61 
+        61 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 61 
+        61 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 61 
+        61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 
+        ))
+    (tilemap
+      (layer  "foreground")
+      (solid #f)
+      (speed  1.000000)
+      (width  30)
+      (height 30)
+      (tiles
+        0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 
+        0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 
+        0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 
+        0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 
+        0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 
+        0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 
+        0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 
+        0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 
+        0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 
+        0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 
+        0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 
+        0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 
+        0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 
+        0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 
+        0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 
+        0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 
+        0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 
+        0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 
+        0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 
+        0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 
+        0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 
+        0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 
+        0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 
+        0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 
+        0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 
+        0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 
+        0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 
+        0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 
+        0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 
+        0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 
+        ))
+    (camera
+      (mode "normal")
+    )
+
+       (background
+         (image "arctis.jpg")
+         (speed 0.500000)
+       )
+       (spawnpoint (name "main") (x 96) (y 160))
+      (ambient_sound (x 128) (y 800) (distance_factor 0.1) 
+        (distance_bias 200) (sample "waterfall"))
+      (infoblock (x 128) (y 800)
+        (message (_ "-Info
+#An ambient sound source
+#should be audible here"))
+      )
+   )
+ )
+
+;; EOF ;;
diff --git a/data/sounds/waterfall.wav b/data/sounds/waterfall.wav
new file mode 100644
index 000000000..52eb8e795
Binary files /dev/null and b/data/sounds/waterfall.wav differ
diff --git a/src/audio/sound_manager.cpp b/src/audio/sound_manager.cpp
index 9d2883e3d..8e0d558e7 100644
--- a/src/audio/sound_manager.cpp
+++ b/src/audio/sound_manager.cpp
@@ -57,6 +57,20 @@ SoundManager::play_sound(const std::string& name)
   Mix_PlayChannel(-1, chunk, 0);  
 }
 
+int
+SoundManager::play_sound(const std::string& name,int loops)
+{
+  if(!audio_device || !m_sound_enabled)
+    return -1;
+  
+  Mix_Chunk* chunk = preload_sound(name);
+  if(chunk == 0) {
+    std::cerr << "Sound '" << name << "' not found.\n";
+    return -1;
+  }
+  return Mix_PlayChannel(-1, chunk, loops);  
+}
+
 void
 SoundManager::play_sound(const std::string& sound, const MovingObject* object,
     const Vector& pos)
@@ -98,6 +112,38 @@ SoundManager::play_sound(const std::string& sound, const Vector& pos,
     Mix_SetPanning(chan, 24, 230);
 }
 
+// Register a sound effect function - basti_
+
+void 
+SoundManager::register_effect(int channel,Mix_EffectFunc_t f,
+			      Mix_EffectDone_t d,void * arg) {
+
+  if(!audio_device || !m_sound_enabled)
+    return;
+  Mix_RegisterEffect(channel,f,d,arg);
+}
+
+// Adjust the Volume of a channel "on line". Needs sizeof(float) static data.
+
+#define __ATYPE__ signed short int
+
+void 
+SoundManager::volume_adjust(int chan, void *stream, int len, void *udata) {
+  ((float *)udata)[1]=((float *)udata)[1]*0.95+
+    (((float *)udata)[0]-
+     ((float *)udata)[1])*0.05; // decay towards [0] - declick
+  float vol=((float*)udata)[1];
+
+  for (int i=0;i<len/2;i++)
+    ((__ATYPE__ *)stream)[i]=
+      ((__ATYPE__)(((signed short int *)stream)[i]*vol)); 
+  // FIXME: This should be audio-type dependant - how to do this correctly?
+  
+  chan=0; // -Werror sucks
+}
+
+
+
 MusicRef
 SoundManager::load_music(const std::string& file)
 {
diff --git a/src/audio/sound_manager.h b/src/audio/sound_manager.h
index 09c0d00aa..e994b304c 100644
--- a/src/audio/sound_manager.h
+++ b/src/audio/sound_manager.h
@@ -40,6 +40,10 @@ public:
 
   /// Play sound.
   void play_sound(const std::string& sound);
+
+  /// Play sound looping, return channel number - basti_
+  int play_sound(const std::string& sound,int loops);
+
   /// Play sound relative to two Vectors.
   void play_sound(const std::string& sound, const Vector& pos,
       const Vector& pos2);
@@ -47,6 +51,13 @@ public:
   void play_sound(const std::string& sound, const MovingObject* object,
       const Vector& pos);
   
+  /// register an effect to a channel - basti_
+  void register_effect(int channel,Mix_EffectFunc_t f,Mix_EffectDone_t d, 
+		       void * arg);
+
+  // effects - basti_ 
+  static void volume_adjust(int,void *,int,void *);
+
   /** Load music.
    * Is used to load the music for a MusicRef.
    */
diff --git a/src/object/ambient_sound.cpp b/src/object/ambient_sound.cpp
new file mode 100644
index 000000000..2c8b80b8d
--- /dev/null
+++ b/src/object/ambient_sound.cpp
@@ -0,0 +1,100 @@
+// ambient_sound.cpp   basti_
+//
+//  SuperTux
+//
+//  This program is free software; you can redistribute it and/or
+//  modify it under the terms of the GNU General Public License
+//  as published by the Free Software Foundation; either version 2
+//  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 General Public License for more details.
+// 
+//  You should have received a copy of the GNU General Public License
+//  along with this program; if not, write to the Free Software
+//  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
+//  02111-1307, USA.
+
+#include <config.h>
+
+#include "ambient_sound.h"
+#include "object_factory.h"
+#include "lisp/lisp.h"
+#include "sector.h"
+
+/***
+ *  Ambient Sound Source, beta version. Features:
+ *
+ *  - "disc" like structure. Full volume up to some distance
+ *    (distance_bias) to the source, then fading proportional to
+ *    inverse square distance
+ *  
+ *  This is experimental, clicks sometimes and still leaks mem 
+ *
+ *      basti_ 
+ */
+
+AmbientSound::AmbientSound(const lisp::Lisp& lisp)
+{
+
+  //  position=pos;
+  lisp.get("x", position.x);
+  lisp.get("y", position.y);
+  lisp.get("distance_factor",distance_factor);
+  lisp.get("distance_bias"  ,distance_bias  );
+  lisp.get("sample"         ,sample         );
+
+  if (distance_factor == 0)
+    silence_distance = 10e99;
+  else
+    silence_distance = distance_factor*10e2;
+
+  volume_ptr=NULL;
+  playing=0;
+  startPlaying();
+}
+
+
+void
+AmbientSound::hit(Player& )
+{
+}
+
+void
+AmbientSound::startPlaying()
+{
+  playing=sound_manager->play_sound(sample,-1);
+  volume_ptr=new float[2];
+  volume_ptr[0]=0;
+  volume_ptr[1]=0;
+  sound_manager->register_effect(playing,&SoundManager::volume_adjust,
+				 NULL,(void *)volume_ptr);
+}
+
+void
+AmbientSound::action(float) 
+{
+  float dx=Sector::current()->player->get_pos().x-position.x;
+  float dy=Sector::current()->player->get_pos().y-position.y;
+  float distance=sqrt(dx*dx+dy*dy);
+
+  distance-=distance_bias;
+
+  if (distance<0)
+    distance=0;
+
+  volume_ptr[0]=1/(1+distance*distance_factor); // inverse square of distance
+
+}
+
+void
+AmbientSound::draw(DrawingContext &dc) 
+{
+  return;
+  sprite->draw(dc,position,1);
+
+}
+
+IMPLEMENT_FACTORY(AmbientSound, "ambient_sound");
diff --git a/src/object/ambient_sound.h b/src/object/ambient_sound.h
new file mode 100644
index 000000000..7963c40a8
--- /dev/null
+++ b/src/object/ambient_sound.h
@@ -0,0 +1,53 @@
+// ambient_sound.h   basti_
+// 
+//  SuperTux
+//
+//  This program is free software; you can redistribute it and/or
+//  modify it under the terms of the GNU General Public License
+//  as published by the Free Software Foundation; either version 2
+//  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 General Public License for more details.
+// 
+//  You should have received a copy of the GNU General Public License
+//  along with this program; if not, write to the Free Software
+//  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
+//  02111-1307, USA.
+
+#ifndef __AMBIENT_SOUND_H__
+#define __AMBIENT_SOUND_H__
+
+
+#include "game_object.h"
+#include "resources.h"
+#include "player.h"
+
+class AmbientSound : public GameObject
+{
+public:
+  AmbientSound(const lisp::Lisp& lisp);
+
+protected:
+  virtual void hit(Player& player);
+  virtual void action(float time);
+  virtual void draw(DrawingContext&);
+  virtual void startPlaying();
+private:
+  Vector position;
+  Sprite *sprite;
+
+  std::string sample;
+  int playing;
+  float distance_factor;
+
+  float distance_bias;
+  float silence_distance;
+
+  float * volume_ptr; // this will be used by the volume adjustment effect.
+};
+
+#endif
+