Fix warnings about shortening 64 bits to 32 bits.

stepmania/src/RageTimer.cpp

@@ -49,12 +49,12 @@ static uint64_t GetTime( bool bAccurate )
 
 float RageTimer::GetTimeSinceStart( bool bAccurate )
 {
-	uint64_t usecs = GetTime( bAccurate );
+	int64_t usecs = GetTime( bAccurate );
 	usecs -= g_iStartTime;
 	// HACK: VC6 can't cast u64 to a double, but it can cast a i64 to a double.
 	// We can afford to lose one bit of precision since these numbers will 
 	// never overflow a 64 int.
-	return (int64_t)usecs / 1000000.f;
+	return float( double(usecs) / 1000000. );
 }
 
 void RageTimer::Touch()

stepmania/src/RageTypes.cpp

@@ -26,13 +26,13 @@ void RageColor::FromStack( lua_State *L, int iPos )
 	int iFrom = lua_gettop( L );
 
 	lua_rawgeti( L, iFrom, 1 );
-	r = lua_tonumber( L, -1 );
+	r = (float)lua_tonumber( L, -1 );
 	lua_rawgeti( L, iFrom, 2 );
-	g = lua_tonumber( L, -1 );
+	g = (float)lua_tonumber( L, -1 );
 	lua_rawgeti( L, iFrom, 3 );
-	b = lua_tonumber( L, -1 );
+	b = (float)lua_tonumber( L, -1 );
 	lua_rawgeti( L, iFrom, 4 );
-	a = lua_tonumber( L, -1 );
+	a = (float)lua_tonumber( L, -1 );
 	lua_pop( L, 5 );
 }
 

stepmania/src/arch/Sound/RageSoundDriver.h

@@ -150,7 +150,7 @@ private:
 		float *m_BufferNext; // beginning of the unread data
 		int m_FramesInBuffer; // total number of frames at m_BufferNext
 		int64_t m_iPosition; // stream frame of m_BufferNext
-		sound_block() { m_FramesInBuffer = m_iPosition = 0; m_BufferNext = m_Buffer; }
+		sound_block() { m_FramesInBuffer = 0; m_iPosition = 0; m_BufferNext = m_Buffer; }
 	};
 
 	struct Sound

stepmania/src/arch/Sound/RageSoundDriver_AU.cpp

@@ -326,7 +326,7 @@ float RageSoundDriver_AU::GetPlayLatency() const
 		bufferSize += frames;
 	} while( false );
 	
-	return bufferSize / sampleRate;
+	return float( bufferSize / sampleRate );
 }