Fix Shockwave Bomb

git-svn-id: http://svn.net-core.org/repos/t-engine4@1864 51575b47-30f0-44d4-a5cc-537603b46e54

game/modules/tome/data/damage_types.lua

@@ -525,9 +525,10 @@ newDamageType{
 	name = "spell knockback", type = "SPELLKNOCKBACK",
 	projector = function(src, x, y, type, dam, tmp)
 		local target = game.level.map(x, y, Map.ACTOR)
+		local realdam = 0
 		if target and not tmp[target] then
 			tmp[target] = true
-			DamageType:get(DamageType.PHYSICAL).projector(src, x, y, DamageType.PHYSICAL, dam)
+			realdam = DamageType:get(DamageType.PHYSICAL).projector(src, x, y, DamageType.PHYSICAL, dam)
 			if target:checkHit(src:combatSpellpower(), target:combatPhysicalResist(), 0, 95, 15) and target:canBe("knockback") then
 				target:knockback(src.x, src.y, 3)
 				game.logSeen(target, "%s is knocked back!", target.name:capitalize())
@@ -535,6 +536,7 @@ newDamageType{
 				game.logSeen(target, "%s resists the punch!", target.name:capitalize())
 			end
 		end
+		return realdam
 	end,
 }