From ef7f53e43ce4306080efae3b86443a6016a3e66a Mon Sep 17 00:00:00 2001
From: Andrei Karas <akaras@inbox.ru>
Date: Thu, 6 Jan 2011 21:25:25 +0200
Subject: Set sound volume depends on distance to object.

---
 src/being.cpp | 14 +++++++++++---
 src/sound.cpp | 32 ++++++++++++++++++++++++++++++++
 src/sound.h   |  2 ++
 3 files changed, 45 insertions(+), 3 deletions(-)

diff --git a/src/being.cpp b/src/being.cpp
index 2372cfe1b..1d8178670 100644
--- a/src/being.cpp
+++ b/src/being.cpp
@@ -568,7 +568,15 @@ void Being::takeDamage(Being *attacker, int amount, AttackType type)
         mDamageTaken += amount;
         if (mInfo)
         {
-            sound.playSfx(mInfo->getSound(SOUND_EVENT_HURT));
+            if (attacker)
+            {
+                sound.playSfx(mInfo->getSound(SOUND_EVENT_HURT),
+                    attacker->getTileX(), attacker->getTileY());
+            }
+            else
+            {
+                sound.playSfx(mInfo->getSound(SOUND_EVENT_HURT));
+            }
             if (!mInfo->isStaticMaxHP())
             {
                 if (!mHP && mInfo->getMaxHP() < mDamageTaken)
@@ -618,7 +626,7 @@ void Being::handleAttack(Being *victim, int damage,
     }
 
     sound.playSfx(mInfo->getSound((damage > 0) ?
-                  SOUND_EVENT_HIT : SOUND_EVENT_MISS));
+                  SOUND_EVENT_HIT : SOUND_EVENT_MISS), mX, mY);
 }
 
 void Being::setName(const std::string &name)
@@ -904,7 +912,7 @@ void Being::setAction(Action action, int attackType _UNUSED_)
         case DEAD:
             currentAction = SpriteAction::DEAD;
             if (mInfo)
-                sound.playSfx(mInfo->getSound(SOUND_EVENT_DIE));
+                sound.playSfx(mInfo->getSound(SOUND_EVENT_DIE), mX, mY);
             break;
         case STAND:
             currentAction = SpriteAction::STAND;
diff --git a/src/sound.cpp b/src/sound.cpp
index 8742ce361..080426a39 100644
--- a/src/sound.cpp
+++ b/src/sound.cpp
@@ -22,6 +22,7 @@
 #include <SDL.h>
 
 #include "configuration.h"
+#include "localplayer.h"
 #include "log.h"
 #include "sound.h"
 
@@ -280,6 +281,37 @@ void Sound::playSfx(const std::string &path)
     }
 }
 
+void Sound::playSfx(const std::string &path, int x, int y)
+{
+    if (!mInstalled || path.empty() || !mPlayBattle)
+        return;
+
+    std::string tmpPath;
+    if (!path.find("sfx/"))
+        tmpPath = path;
+    else
+        tmpPath = paths.getValue("sfx", "sfx/") + path;
+    ResourceManager *resman = ResourceManager::getInstance();
+    SoundEffect *sample = resman->getSoundEffect(tmpPath);
+    if (sample)
+    {
+        logger->log("Sound::playSfx() Playing: %s", path.c_str());
+        int vol = 120;
+        if (player_node)
+        {
+            int dx = player_node->getTileX() - x;
+            int dy = player_node->getTileY() - y;
+            if (dx < 0)
+                dx = -dx;
+            if (dy < 0)
+                dy = -dy;
+            int dist = dx > dy ? dx : dy;
+            vol -= dist * 8;
+        }
+        sample->play(0, vol);
+    }
+}
+
 void Sound::playGuiSfx(const std::string &path)
 {
     if (!mInstalled || path.empty() || !mPlayGui)
diff --git a/src/sound.h b/src/sound.h
index 100c228c1..92c0ab41a 100644
--- a/src/sound.h
+++ b/src/sound.h
@@ -93,6 +93,8 @@ class Sound : public ConfigListener
          */
         void playSfx(const std::string &path);
 
+        void playSfx(const std::string &path, int x, int y);
+
         /**
          * Plays an item for gui.
          *
-- 
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