Negative HP creatures should correctly die

git-svn-id: http://svn.net-core.org/repos/t-engine4@3311 51575b47-30f0-44d4-a5cc-537603b46e54

game/engines/default/engine/interface/ActorFOV.lua

@@ -47,7 +47,7 @@ end
 -- @param cache if true it will use the cache given by the map, for the map actor. It can be used for other actors is they have the same block settings
 function _M:computeFOV(radius, block, apply, force, no_store, cache)
 	-- If we did not move, do not update
-	if not force and self.fov_last_x == self.x and self.fov_last_y == self.y and self.fov_computed then return end
+	if not self.x or not self.y or (not force and self.fov_last_x == self.x and self.fov_last_y == self.y and self.fov_computed) then return end
 	radius = radius or 20
 	block = block or "block_sight"
 

game/modules/tome/class/Actor.lua

@@ -1231,7 +1231,7 @@ function _M:resolveSource()
 end
 
 function _M:die(src)
-	if self.dead then return true end
+	if self.dead then self:disappear(src) return true end
 
 	engine.interface.ActorLife.die(self, src)