restrict target passign a bit, still not good

git-svn-id: http://svn.net-core.org/repos/t-engine4@3697 51575b47-30f0-44d4-a5cc-537603b46e54

game/modules/tome/class/Actor.lua

@@ -818,6 +818,16 @@ function _M:tooltip(x, y, seen_by)
 	elseif factlevel > 0 then factcolor, factstate = "#LIGHT_GREEN#", "friendly"
 	end
 
+	-- Debug feature, mousing over with ctrl pressed will give detailed FOV info
+	if config.settings.cheat and core.key.modState("ctrl") then
+		print("============================================== SEEING from", self.name)
+		for i, a in ipairs(self.fov.actors_dist) do
+			local d = self.fov.actors[a]
+			print(("%3d : %-40s at %3dx%3d (see at %3dx%3d), diff %3dx%3d"):format(d.sqdist, a.name, a.x, a.y, d.x, d.y,d.dx,d.dy))
+		end
+		print("==============================================")
+	end
+
 	local pfactcolor, pfactstate, pfactlevel = "#ANTIQUE_WHITE#", "neutral", self:reactionToward(game.player)
 	if pfactlevel < 0 then pfactcolor, pfactstate = "#LIGHT_RED#", "hostile"
 	elseif pfactlevel > 0 then pfactcolor, pfactstate = "#LIGHT_GREEN#", "friendly"

game/modules/tome/class/NPC.lua

@@ -75,6 +75,7 @@ function _M:seen_by(who)
 	if not who.ai_target.actor then return end
 	if self:reactionToward(who) <= 0 then return end
 	if not who:canSee(who.ai_target.actor) then return end
+	if not who.x or not self:hasLOS(who.x, who.y) then return end
 	self:setTarget(who.ai_target.actor)
 end