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Rate limit pathfinding attempts
In certain situation it otherwise results in excessive attempts to find a path.
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fb6e790535
commit
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@ -2314,6 +2314,41 @@ local function check_doors(self)
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end
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end
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local gowp_etime = 0
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local function check_gowp(self,dtime)
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gowp_etime = gowp_etime + dtime
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if gowp_etime < 1 then return end
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gowp_etime = 0
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local p = self.object:get_pos()
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if not p or not self._target then return end
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if vector.distance(p,self._target) < 2 or ( self.waypoints and #self.waypoints == 0 ) then
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self.waypoints = nil
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self._target = nil
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self.current_target = nil
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self.state = "walk"
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if self.callback_arrived then return self.callback_arrived(self) end
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return true
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end
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if self.waypoints and ( not self.current_target or vector.distance(p,self.current_target) < 1.5 ) then
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self.current_target = table.remove(self.waypoints, 1)
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--minetest.log("nextwp:".. tostring(self.current_target) )
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elseif self.current_target then
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go_to_pos(self,self.current_target)
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end
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if self.current_target and not minetest.line_of_sight(self.object:get_pos(),self.current_target) then
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self.waypoints=minetest.find_path(p,self._target,150,1,4)
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if not self.waypoints then self.state = "walk" end --give up
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self.current_target = nil
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return
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end
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if not self.current_target then
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--minetest.log("no path")
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self.state = "walk"
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end
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end
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-- execute current state (stand, walk, run, attacks)
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-- returns true if mob has died
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local do_states = function(self, dtime)
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@ -2371,32 +2406,7 @@ local do_states = function(self, dtime)
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end
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elseif self.state == "gowp" then
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local p = self.object:get_pos()
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if not p or not self._target then return end
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if vector.distance(p,self._target) < 2 or ( self.waypoints and #self.waypoints == 0 ) then
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self.waypoints = nil
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self._target = nil
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self.current_target = nil
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self.state = "walk"
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if self.callback_arrived then return self.callback_arrived(self) end
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return true
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end
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if self.waypoints and ( not self.current_target or vector.distance(p,self.current_target) < 1.5 ) then
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self.current_target = table.remove(self.waypoints, 1)
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--minetest.log("nextwp:".. tostring(self.current_target) )
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elseif self.current_target then
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go_to_pos(self,self.current_target)
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end
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if self.current_target and not minetest.line_of_sight(self.object:get_pos(),self.current_target) then
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self.waypoints=minetest.find_path(p,self._target,150,1,4)
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self.current_target = nil
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return
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end
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if not self.current_target then
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--minetest.log("no path")
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self.state = "walk"
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end
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check_gowp(self,dtime)
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elseif self.state == "walk" then
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local s = self.object:get_pos()
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@ -2907,7 +2917,11 @@ local plane_adjacents = {
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vector.new(0,0,-1),
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}
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local gopath_last = os.time()
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function mcl_mobs:gopath(self,target,callback_arrived)
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if os.time() - gopath_last < 15 then return end
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gopath_last = os.time()
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local p = self.object:get_pos()
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local t = vector.offset(target,0,1,0)
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local wp = minetest.find_path(p,t,150,1,4)
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@ -2931,6 +2945,9 @@ function mcl_mobs:gopath(self,target,callback_arrived)
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self.state = "gowp"
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return true
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else
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self.state = "walk"
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self.waypoints = nil
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self.current_target = nil
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--minetest.log("no path found")
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end
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end
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