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// handles anything related to character position basically walking, running and standing
	// applies to only to "non-thisPlayer" characters
	public void updatePlayerMovement(stream str) {
		if(dir1 == -1) {
			// don't have to update the character position, because the char is just standing
			if(updateRequired || chatTextUpdateRequired) {
				// tell client there's an update block appended at the end
				str.writeBits(1, 1);
				str.writeBits(2, 0);
			}
			else str.writeBits(1, 0);
		} else if(dir2 == -1) {
			// send "walking packet"
			str.writeBits(1, 1);
			str.writeBits(2, 1);
			str.writeBits(3, misc.xlateDirectionToClient[dir1]);
			str.writeBits(1, (updateRequired || chatTextUpdateRequired) ? 1: 0);
		} else {
			// send "running packet"
			str.writeBits(1, 1);
			str.writeBits(2, 2);
			str.writeBits(3, misc.xlateDirectionToClient[dir1]);
			str.writeBits(3, misc.xlateDirectionToClient[dir2]);
			str.writeBits(1, (updateRequired || chatTextUpdateRequired) ? 1: 0);
		}
	}