--- nogravity-2.00/rlx32/src/linux/snd_sdlmixer.c	2005-04-21 22:22:18.000000000 +0200
+++ nogravity/rlx32/src/linux/snd_sdlmixer.c	2006-05-27 11:04:29.000000000 +0200
@@ -46,6 +46,7 @@
   size_t pos;
   ssize_t start;
   ssize_t end;
+  u_int8_t vol;
   int8_t buf[409600];
 };
 
@@ -224,6 +225,17 @@
   return g_pchannels[channel].sam;
 }
 
+static void CopySample16(int16_t *dst, const int16_t *src, int len)
+{
+  while (len > 0)
+  {
+    *dst = (((int32_t)*src) * g_stream.vol) >> 8;
+    src ++;
+    dst ++;
+    len --;
+  }
+}
+
 static void StreamFill(void *dummy, Uint8 *stream, int len)
 {
   int music_len;
@@ -232,13 +244,13 @@
   music_len = (music_len > len) ? len : music_len;
   if (g_stream.start + music_len <= 409600)
   {
-    memcpy(stream, &g_stream.buf[g_stream.start], music_len);
+    CopySample16((int16_t *)stream, (int16_t *)&g_stream.buf[g_stream.start], music_len / 2);
     g_stream.start += music_len;
   }
   else
   {
-    memcpy(stream, &g_stream.buf[g_stream.start], 409600 - g_stream.start);
-    memcpy(&stream[409600 - g_stream.start], g_stream.buf, g_stream.start + music_len - 409600);
+    CopySample16((int16_t *)stream, (int16_t *)&g_stream.buf[g_stream.start], (409600 - g_stream.start) / 2);
+    CopySample16((int16_t *)&stream[409600 - g_stream.start], (int16_t *)g_stream.buf, (g_stream.start + music_len - 409600) / 2);
     g_stream.start = g_stream.start + music_len - 409600;
   }
   g_stream.pos += music_len;
@@ -265,6 +277,7 @@
     g_stream.pos = 0;
     g_stream.start = 0;
     g_stream.end = 0;
+    g_stream.vol = 255;
   }
   else
   {
@@ -298,7 +311,7 @@
 
 static void StreamSetVolume(V3XA_STREAM handle, float volume)
 {
-  // TODO: Implement.
+  g_stream.vol = volume * 255;
 }
 
 static int StreamLoad(V3XA_STREAM handle, void *data, size_t size)
--- nogravity-2.00/rlx32/src/renderers/opengl/gl_v3x.h	2005-06-17 21:58:20.000000000 +0200
+++ nogravity/rlx32/src/renderers/opengl/gl_v3x.h	2006-04-15 14:11:43.000000000 +0200
@@ -59,9 +59,9 @@
 #endif
 
 #elif (defined __LINUX__)
+#define GL_GLEXT_PROTOTYPES
 #include <GL/gl.h>
 #include <GL/glext.h>
-
 #ifndef GL_ARB_texture_rectangle
 #define GL_TEXTURE_RECTANGLE_ARB 0x84F5
 #endif
--- nogravity-2.00/src/lt_info.c	2006-01-25 21:10:16.000000000 +0100
+++ nogravity/src/lt_info.c	2006-04-15 14:11:43.000000000 +0200
@@ -77,6 +77,8 @@
                 table[i]=j;
                 d++;
             }
+	    else
+		table[i]=0;
         }
     }
     return d>=LK_MAX-1;