forked from VoxeLibre/VoxeLibre
381 lines
13 KiB
Lua
381 lines
13 KiB
Lua
local math, vector, minetest, mcl_mobs = math, vector, minetest, mcl_mobs
|
|
local mob_class = mcl_mobs.mob_class
|
|
|
|
local LOGGING_ON = minetest.settings:get_bool("mcl_logging_mobs_villager",false)
|
|
|
|
local LOG_MODULE = "[Mobs]"
|
|
local function mcl_log (message)
|
|
if LOGGING_ON and message then
|
|
minetest.log(LOG_MODULE .. " " .. message)
|
|
end
|
|
end
|
|
|
|
function output_table (wp)
|
|
if not wp then return end
|
|
mcl_log("wp items: ".. tostring(#wp))
|
|
for a,b in pairs(wp) do
|
|
mcl_log(a.. ": ".. tostring(b))
|
|
end
|
|
end
|
|
|
|
function append_paths (wp1, wp2)
|
|
mcl_log("Start append")
|
|
if not wp1 or not wp2 then
|
|
mcl_log("Cannot append wp's")
|
|
return
|
|
end
|
|
output_table(wp1)
|
|
output_table(wp2)
|
|
for _,a in pairs (wp2) do
|
|
table.insert(wp1, a)
|
|
end
|
|
mcl_log("End append")
|
|
end
|
|
|
|
local function output_enriched (wp_out)
|
|
mcl_log("Output enriched path")
|
|
local i = 0
|
|
for _,outy in pairs (wp_out) do
|
|
i = i + 1
|
|
mcl_log("Pos ".. i ..":" .. minetest.pos_to_string(outy["pos"]))
|
|
|
|
local action = outy["action"]
|
|
if action then
|
|
mcl_log("type: " .. action["type"])
|
|
mcl_log("action: " .. action["action"])
|
|
mcl_log("target: " .. minetest.pos_to_string(action["target"]))
|
|
end
|
|
mcl_log("failed attempts: " .. outy["failed_attempts"])
|
|
end
|
|
end
|
|
|
|
-- This function will take a list of paths, and enrich it with:
|
|
-- a var for failed attempts
|
|
-- an action, such as to open or close a door where we know that pos requires that action
|
|
local function generate_enriched_path(wp_in, door_open_pos, door_close_pos, cur_door_pos)
|
|
local wp_out = {}
|
|
for i, cur_pos in pairs(wp_in) do
|
|
local action = nil
|
|
|
|
local one_down = vector.new(0,-1,0)
|
|
local cur_pos_to_add = vector.add(cur_pos, one_down)
|
|
if door_open_pos and vector.equals (cur_pos, door_open_pos) then
|
|
mcl_log ("Door open match")
|
|
--action = {type = "door", action = "open"}
|
|
action = {}
|
|
action["type"] = "door"
|
|
action["action"] = "open"
|
|
action["target"] = cur_door_pos
|
|
cur_pos_to_add = vector.add(cur_pos, one_down)
|
|
elseif door_close_pos and vector.equals(cur_pos, door_close_pos) then
|
|
mcl_log ("Door close match")
|
|
--action = {type = "door", action = "closed"}
|
|
action = {}
|
|
action["type"] = "door"
|
|
action["action"] = "close"
|
|
action["target"] = cur_door_pos
|
|
cur_pos_to_add = vector.add(cur_pos, one_down)
|
|
elseif cur_door_pos and vector.equals(cur_pos, cur_door_pos) then
|
|
mcl_log("Current door pos")
|
|
cur_pos_to_add = vector.add(cur_pos, one_down)
|
|
action = {}
|
|
action["type"] = "door"
|
|
action["action"] = "open"
|
|
action["target"] = cur_door_pos
|
|
else
|
|
cur_pos_to_add = cur_pos
|
|
--mcl_log ("Pos doesn't match")
|
|
end
|
|
|
|
wp_out[i] = {}
|
|
wp_out[i]["pos"] = cur_pos_to_add
|
|
wp_out[i]["failed_attempts"] = 0
|
|
wp_out[i]["action"] = action
|
|
|
|
--wp_out[i] = {"pos" = cur_pos, "failed_attempts" = 0, "action" = action}
|
|
--output_pos(cur_pos, i)
|
|
end
|
|
output_enriched(wp_out)
|
|
return wp_out
|
|
end
|
|
|
|
local plane_adjacents = {
|
|
vector.new(1,0,0),
|
|
vector.new(-1,0,0),
|
|
vector.new(0,0,1),
|
|
vector.new(0,0,-1),
|
|
}
|
|
|
|
-- This function is used to see if we can path. We could use to check a route, rather than making people move.
|
|
local function calculate_path_through_door (p, t, target)
|
|
-- target is the same as t, just 1 square difference. Maybe we don't need target
|
|
mcl_log("Plot route from mob: " .. minetest.pos_to_string(p) .. ", to target: " .. minetest.pos_to_string(t))
|
|
|
|
local enriched_path = nil
|
|
|
|
local cur_door_pos = nil
|
|
local pos_closest_to_door = nil
|
|
local other_side_of_door = nil
|
|
|
|
--Path to door first
|
|
local wp = minetest.find_path(p,t,150,1,4)
|
|
if not wp then
|
|
mcl_log("No direct path. Path through door")
|
|
|
|
-- This could improve. There could be multiple doors. Check you can path from door to target first.
|
|
local cur_door_pos = minetest.find_node_near(target,16,{"group:door"})
|
|
if cur_door_pos then
|
|
mcl_log("Found a door near: " .. minetest.pos_to_string(cur_door_pos))
|
|
for _,v in pairs(plane_adjacents) do
|
|
pos_closest_to_door = vector.add(cur_door_pos,v)
|
|
|
|
local n = minetest.get_node(pos_closest_to_door)
|
|
if n.name == "air" then
|
|
wp = minetest.find_path(p,pos_closest_to_door,150,1,4)
|
|
if wp then
|
|
mcl_log("Found a path to next to door".. minetest.pos_to_string(pos_closest_to_door))
|
|
other_side_of_door = vector.add(cur_door_pos,-v)
|
|
mcl_log("Opposite is: ".. minetest.pos_to_string(other_side_of_door))
|
|
|
|
local wp_otherside_door_to_target = minetest.find_path(other_side_of_door,t,150,1,4)
|
|
if wp_otherside_door_to_target and #wp_otherside_door_to_target > 0 then
|
|
table.insert(wp, cur_door_pos)
|
|
append_paths (wp, wp_otherside_door_to_target)
|
|
enriched_path = generate_enriched_path(wp, pos_closest_to_door, other_side_of_door, cur_door_pos)
|
|
mcl_log("We have a path from outside door to target")
|
|
else
|
|
mcl_log("We cannot path from outside door to target")
|
|
end
|
|
break
|
|
else
|
|
mcl_log("This block next to door doesn't work.")
|
|
end
|
|
else
|
|
mcl_log("Block is not air, it is: ".. n.name)
|
|
end
|
|
|
|
end
|
|
else
|
|
mcl_log("No door found")
|
|
end
|
|
else
|
|
mcl_log("We have a direct route")
|
|
end
|
|
|
|
if wp and not enriched_path then
|
|
enriched_path = generate_enriched_path(wp)
|
|
end
|
|
return enriched_path
|
|
end
|
|
|
|
local gopath_last = os.time()
|
|
function mob_class:gopath(target,callback_arrived)
|
|
if self.state == PATHFINDING then mcl_log("Already pathfinding, don't set another until done.") return end
|
|
|
|
if self._pf_last_failed and (os.time() - self._pf_last_failed) < 30 then
|
|
mcl_log("We are not ready to path as last fail is less than threshold: " .. (os.time() - self._pf_last_failed))
|
|
return
|
|
else
|
|
mcl_log("We are ready to pathfind, no previous fail or we are past threshold")
|
|
end
|
|
|
|
--if os.time() - gopath_last < 5 then
|
|
-- mcl_log("Not ready to path yet")
|
|
-- return
|
|
--end
|
|
--gopath_last = os.time()
|
|
|
|
self.order = nil
|
|
|
|
local p = self.object:get_pos()
|
|
local t = vector.offset(target,0,1,0)
|
|
|
|
local wp = calculate_path_through_door(p, t, target)
|
|
if not wp then
|
|
mcl_log("Could not calculate path")
|
|
self._pf_last_failed = os.time()
|
|
-- Cover for a flaw in pathfind where it chooses the wrong door and gets stuck. Take a break, allow others.
|
|
end
|
|
--output_table(wp)
|
|
|
|
if wp and #wp > 0 then
|
|
self._target = t
|
|
self.callback_arrived = callback_arrived
|
|
local current_location = table.remove(wp,1)
|
|
if current_location and current_location["pos"] then
|
|
mcl_log("Removing first co-ord? " .. tostring(current_location["pos"]))
|
|
else
|
|
mcl_log("Nil pos")
|
|
end
|
|
self.current_target = current_location
|
|
self.waypoints = wp
|
|
self.state = PATHFINDING
|
|
return true
|
|
else
|
|
self.state = "walk"
|
|
self.waypoints = nil
|
|
self.current_target = nil
|
|
-- minetest.log("no path found")
|
|
end
|
|
end
|
|
|
|
function mob_class:interact_with_door(action, target)
|
|
local p = self.object:get_pos()
|
|
--local t = minetest.get_timeofday()
|
|
--local dd = minetest.find_nodes_in_area(vector.offset(p,-1,-1,-1),vector.offset(p,1,1,1),{"group:door"})
|
|
--for _,d in pairs(dd) do
|
|
if target then
|
|
mcl_log("Door target is: ".. minetest.pos_to_string(target))
|
|
|
|
local n = minetest.get_node(target)
|
|
if n.name:find("_b_") or n.name:find("_t_") then
|
|
mcl_log("Door")
|
|
local def = minetest.registered_nodes[n.name]
|
|
local closed = n.name:find("_b_1") or n.name:find("_t_1")
|
|
--if self.state == PATHFINDING then
|
|
if closed and action == "open" and def.on_rightclick then
|
|
mcl_log("Open door")
|
|
def.on_rightclick(target,n,self)
|
|
end
|
|
if not closed and action == "close" and def.on_rightclick then
|
|
mcl_log("Close door")
|
|
def.on_rightclick(target,n,self)
|
|
end
|
|
--else
|
|
else
|
|
mcl_log("Not door")
|
|
end
|
|
else
|
|
mcl_log("no target. cannot try and open or close door")
|
|
end
|
|
--end
|
|
end
|
|
|
|
function mob_class:do_pathfind_action(action)
|
|
if action then
|
|
mcl_log("Action present")
|
|
local type = action["type"]
|
|
local action_val = action["action"]
|
|
local target = action["target"]
|
|
if target then
|
|
mcl_log("Target: ".. minetest.pos_to_string(target))
|
|
end
|
|
if type and type == "door" then
|
|
mcl_log("Type is door")
|
|
self:interact_with_door(action_val, target)
|
|
end
|
|
end
|
|
end
|
|
|
|
local gowp_etime = 0
|
|
|
|
function mob_class:check_gowp(dtime)
|
|
gowp_etime = gowp_etime + dtime
|
|
|
|
-- 0.1 is optimal.
|
|
--less frequently = villager will get sent back after passing a point.
|
|
--more frequently = villager will fail points they shouldn't they just didn't get there yet
|
|
|
|
--if gowp_etime < 0.05 then return end
|
|
--gowp_etime = 0
|
|
local p = self.object:get_pos()
|
|
|
|
-- no destination
|
|
if not p or not self._target then
|
|
mcl_log("p: ".. tostring(p))
|
|
mcl_log("self._target: ".. tostring(self._target))
|
|
return
|
|
end
|
|
|
|
-- arrived at location, finish gowp
|
|
local distance_to_targ = vector.distance(p,self._target)
|
|
--mcl_log("Distance to targ: ".. tostring(distance_to_targ))
|
|
if distance_to_targ < 2 then
|
|
mcl_log("Arrived at _target")
|
|
self.waypoints = nil
|
|
self._target = nil
|
|
self.current_target = nil
|
|
self.state = "stand"
|
|
self.order = "stand"
|
|
self.object:set_velocity({x = 0, y = 0, z = 0})
|
|
self.object:set_acceleration({x = 0, y = 0, z = 0})
|
|
if self.callback_arrived then return self.callback_arrived(self) end
|
|
return true
|
|
end
|
|
|
|
-- More pathing to be done
|
|
local distance_to_current_target = 50
|
|
if self.current_target and self.current_target["pos"] then
|
|
distance_to_current_target = vector.distance(p,self.current_target["pos"])
|
|
end
|
|
|
|
-- 0.6 is working but too sensitive. sends villager back too frequently. 0.7 is quite good, but not with heights
|
|
-- 0.8 is optimal for 0.025 frequency checks and also 1... Actually. 0.8 is winning
|
|
-- 0.9 and 1.0 is also good. Stick with unless door open or closing issues
|
|
if self.waypoints and #self.waypoints > 0 and ( not self.current_target or not self.current_target["pos"] or distance_to_current_target < 0.9 ) then
|
|
-- We have waypoints, and no current target, or we're at it. We need a new current_target.
|
|
self:do_pathfind_action (self.current_target["action"])
|
|
|
|
local failed_attempts = self.current_target["failed_attempts"]
|
|
mcl_log("There after " .. failed_attempts .. " failed attempts. current target:".. minetest.pos_to_string(self.current_target["pos"]) .. ". Distance: " .. distance_to_current_target)
|
|
|
|
self.current_target = table.remove(self.waypoints, 1)
|
|
self:go_to_pos(self.current_target["pos"])
|
|
return
|
|
elseif self.current_target and self.current_target["pos"] then
|
|
-- No waypoints left, but have current target. Potentially last waypoint to go to.
|
|
self.current_target["failed_attempts"] = self.current_target["failed_attempts"] + 1
|
|
local failed_attempts = self.current_target["failed_attempts"]
|
|
if failed_attempts >= 50 then
|
|
mcl_log("Failed to reach position (" .. minetest.pos_to_string(self.current_target["pos"]) .. ") too many times. Abandon route. Times tried: " .. failed_attempts)
|
|
self.state = "stand"
|
|
self.current_target = nil
|
|
self.waypoints = nil
|
|
self._target = nil
|
|
self._pf_last_failed = os.time()
|
|
self.object:set_velocity({x = 0, y = 0, z = 0})
|
|
self.object:set_acceleration({x = 0, y = 0, z = 0})
|
|
return
|
|
end
|
|
|
|
--mcl_log("Not at pos with failed attempts ".. failed_attempts ..": ".. minetest.pos_to_string(p) .. "self.current_target: ".. minetest.pos_to_string(self.current_target["pos"]) .. ". Distance: ".. distance_to_current_target)
|
|
self:go_to_pos(self.current_target["pos"])
|
|
-- Do i just delete current_target, and return so we can find final path.
|
|
else
|
|
-- Not at target, no current waypoints or current_target. Through the door and should be able to path to target.
|
|
-- Is a little sensitive and could take 1 - 7 times. A 10 fail count might be a good exit condition.
|
|
|
|
mcl_log("We don't have waypoints or a current target. Let's try to path to target")
|
|
local final_wp = minetest.find_path(p,self._target,150,1,4)
|
|
if final_wp then
|
|
mcl_log("We might be able to get to target here.")
|
|
-- self.waypoints = final_wp
|
|
self:go_to_pos(self._target)
|
|
else
|
|
-- Abandon route?
|
|
mcl_log("Cannot plot final route to target")
|
|
end
|
|
end
|
|
|
|
-- I don't think we need the following anymore, but test first.
|
|
-- Maybe just need something to path to target if no waypoints left
|
|
if self.current_target and self.current_target["pos"] and (self.waypoints and #self.waypoints == 0) then
|
|
local updated_p = self.object:get_pos()
|
|
local distance_to_cur_targ = vector.distance(updated_p,self.current_target["pos"])
|
|
|
|
mcl_log("Distance to current target: ".. tostring(distance_to_cur_targ))
|
|
mcl_log("Current p: ".. minetest.pos_to_string(updated_p))
|
|
|
|
-- 1.6 is good. is 1.9 better? It could fail less, but will it path to door when it isn't after door
|
|
if distance_to_cur_targ > 1.9 then
|
|
mcl_log("not close to current target: ".. minetest.pos_to_string(self.current_target["pos"]))
|
|
self:go_to_pos(self._current_target)
|
|
else
|
|
mcl_log("close to current target: ".. minetest.pos_to_string(self.current_target["pos"]))
|
|
self.current_target = nil
|
|
end
|
|
|
|
return
|
|
end
|
|
end
|