Split Mob::SetAttackTimer into Client and NPC methods

This was the easiest way to NPCs delay settings to be sane in the database.
The functions are cleaner since there is no specific logic to change
behavior depending on if they're a client or not.

zone/client.cpp

@@ -8346,3 +8346,19 @@ void Client::ShowNumHits()
 	return;
 }
 
+float Client::GetQuiverHaste()
+{
+	float quiver_haste = 0;
+	for (int r = EmuConstants::GENERAL_BEGIN; r <= EmuConstants::GENERAL_END; r++) {
+		const ItemInst *pi = GetInv().GetItem(r);
+		if (!pi)
+			continue;
+		if (pi->IsType(ItemClassContainer) && pi->GetItem()->BagType == BagTypeQuiver) {
+			float temp_wr = (pi->GetItem()->BagWR / RuleI(Combat, QuiverWRHasteDiv));
+			quiver_haste = std::max(temp_wr, quiver_haste);
+		}
+	}
+	if (quiver_haste > 0)
+		quiver_haste = 1.0f / (1.0f + static_cast<float>(quiver_haste) / 100.0f);
+	return quiver_haste;
+}