When attacking with a ranged weapon, you take a -4 attack penalty when firing at a target in melee. What counts as being in melee? Does it just mean that your target is in a threatened square, or is it more complicated than that?
Two adjacent humans armed with longswords are clearly in melee, so the -4 applies to either of them. But what if they're 10' apart, and only one has a reach weapon?
What if two Large creatures are 10' apart?
What if a Diminutive housecat is attacking a Colossal dragon? Does the cat's owner still suffer the penalty if he fires at the dragon?
Two adjacent humans armed with longswords are clearly in melee, so the -4 applies to either of them. But what if they're 10' apart, and only one has a reach weapon?
What if two Large creatures are 10' apart?
What if a Diminutive housecat is attacking a Colossal dragon? Does the cat's owner still suffer the penalty if he fires at the dragon?