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       bf_write* pBitBuf = UserMessageBegin(&Filter, "Fade");       if (!pBitBuf)               return false;       pBitBuf->WriteShort((short)(fFadeTime * 1000)); 	// fade out/in time       pBitBuf->WriteShort((short)(fHoldTime * 1000));  // how long fade lasts       pBitBuf->WriteShort(nFlags); 	// FFADE_IN - fade back in, FFADE_OUT - fade out to color, FFADE_PURGE - remove all fades, FFADE_STAYOUT - fade and stay, FFADE_MODULATE - blends colors?       pBitBuf->WriteByte(red); 	// fade red        pBitBuf->WriteByte(green); 	// fade green       pBitBuf->WriteByte(blue); 	// fade blue       pBitBuf->WriteByte(alpha); 	// fade alpha transparency       engine->MessageEnd();       bf_write* pBitBuf = UserMessageBegin(&Filter, "Shake");       if (!pBitBuf)               return false;       pBitBuf->WriteByte(nType); 	// shake command (SHAKE_START, STOP, FREQUENCY, AMPLITUDE)       pBitBuf->WriteFloat(fMagnitude); // shake magnitude/amplitude       pBitBuf->WriteFloat(fNoise); 	// shake noise frequency       pBitBuf->WriteFloat(fTime);  	// shake lasts this long       engine->MessageEnd();