308 lines
8.8 KiB
Lua
308 lines
8.8 KiB
Lua
------------------------------------------------------------
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-- Copyright (c) 2016 tacigar. All rights reserved.
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-- https://github.com/tacigar/maidroid
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------------------------------------------------------------
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-- Modified file by sys4 for morefarming mod
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------------------------------------------------------------
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local state = {
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WALK_RANDOMLY = 0,
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WALK_TO_PLANT = 1,
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WALK_TO_MOW = 2,
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PLANT = 3,
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MOW = 4,
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}
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local target_plants = {
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"farming:wheat_8",
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"farming:cotton_8",
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"moreflowers:wild_carrot",
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"morefarming:wildcarrot_8",
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"morefarming:carrot_8",
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"moreflowers:teosinte",
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"morefarming:teosinte_8",
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"morefarming:corn_8",
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}
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local _aux = maidroid_core._aux
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local FIND_PATH_TIME_INTERVAL = 20
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local CHANGE_DIRECTION_TIME_INTERVAL = 30
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local MAX_WALK_TIME = 120
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-- is_plantable_place reports whether maidroid can plant any seed.
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local function is_plantable_place(pos)
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local node = minetest.get_node(pos)
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local lpos = vector.add(pos, {x = 0, y = -1, z = 0})
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local lnode = minetest.get_node(lpos)
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return node.name == "air"
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and minetest.get_item_group(lnode.name, "soil") > 1
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end
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-- is_mowable_place reports whether maidroid can mow.
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local function is_mowable_place(pos)
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local node = minetest.get_node(pos)
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for _, plant in ipairs(target_plants) do
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if plant == node.name then
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return true
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end
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end
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return false
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end
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local walk_randomly, walk_to_plant_and_mow_common, plant, mow
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local to_walk_randomly, to_walk_to_plant, to_walk_to_mow, to_plant, to_mow
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local function on_start(self)
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self.object:setacceleration{x = 0, y = -10, z = 0}
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self.object:setvelocity{x = 0, y = 0, z = 0}
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self.state = state.WALK_RANDOMLY
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self.time_counters = {}
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self.path = nil
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to_walk_randomly(self)
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end
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local function on_stop(self)
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self.object:setvelocity{x = 0, y = 0, z = 0}
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self.state = nil
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self.time_counters = nil
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self.path = nil
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self:set_animation(maidroid.animation_frames.STAND)
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end
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local function is_near(self, pos, distance)
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local p = self.object:getpos()
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-- p.y = p.y + 0.5
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return vector.distance(p, pos) < distance
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end
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local searching_range = {x = 5, y = 2, z = 5}
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walk_randomly = function(self, dtime)
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if self.time_counters[1] >= FIND_PATH_TIME_INTERVAL then
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self.time_counters[1] = 0
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self.time_counters[2] = self.time_counters[2] + 1
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local wield_stack = self:get_wield_item_stack()
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if minetest.get_item_group(wield_stack:get_name(), "seed") > 0
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or self:has_item_in_main(function(itemname) return (minetest.get_item_group(itemname, "seed") > 0) end) then
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local destination = _aux.search_surrounding(self.object:getpos(), is_plantable_place, searching_range)
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if destination ~= nil then
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local path = minetest.find_path(self.object:getpos(), destination, 10, 1, 1, "A*")
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if path ~= nil then -- to walk to plant state.
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to_walk_to_plant(self, path, destination)
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return
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end
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end
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end
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-- if couldn't find path to plant, try to mow.
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local destination = _aux.search_surrounding(self.object:getpos(), is_mowable_place, searching_range)
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if destination ~= nil then
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local path = minetest.find_path(self.object:getpos(), destination, 10, 1, 1, "A*")
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if path ~= nil then -- to walk to mow state.
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to_walk_to_mow(self, path, destination)
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return
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end
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end
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-- else do nothing.
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return
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elseif self.time_counters[2] >= CHANGE_DIRECTION_TIME_INTERVAL then
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self.time_counters[1] = self.time_counters[1] + 1
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self.time_counters[2] = 0
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self:change_direction_randomly()
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return
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else
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self.time_counters[1] = self.time_counters[1] + 1
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self.time_counters[2] = self.time_counters[2] + 1
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local velocity = self.object:getvelocity()
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if velocity.y == 0 then
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local front_node = self:get_front_node()
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if minetest.get_item_group(front_node.name, "fence") > 0 then
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self:change_direction_randomly()
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elseif front_node.name ~= "air" and minetest.registered_nodes[front_node.name] ~= nil
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and minetest.registered_nodes[front_node.name].walkable then
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self.object:setvelocity{x = velocity.x, y = 6, z = velocity.z}
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end
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end
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return
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end
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end
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to_walk_randomly = function(self)
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self.state = state.WALK_RANDOMLY
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self.time_counters[1] = 0
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self.time_counters[2] = 0
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self:change_direction_randomly()
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self:set_animation(maidroid.animation_frames.WALK)
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end
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to_walk_to_plant = function(self, path, destination)
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self.state = state.WALK_TO_PLANT
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self.path = path
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self.destination = destination
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self.time_counters[1] = 0 -- find path interval
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self.time_counters[2] = 0
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self:change_direction(self.path[1])
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self:set_animation(maidroid.animation_frames.WALK)
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end
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to_walk_to_mow = function(self, path, destination)
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self.state = state.WALK_TO_MOW
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self.path = path
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self.destination = destination
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self.time_counters[1] = 0 -- find path interval
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self.time_counters[2] = 0
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self:change_direction(self.path[1])
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self:set_animation(maidroid.animation_frames.WALK)
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end
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to_plant = function(self)
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local wield_stack = self:get_wield_item_stack()
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if minetest.get_item_group(wield_stack:get_name(), "seed") > 0
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or self:move_main_to_wield(function(itemname) return (minetest.get_item_group(itemname, "seed") > 0) end) then
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self.state = state.PLANT
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self.time_counters[1] = 0
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self.object:setvelocity{x = 0, y = 0, z = 0}
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self:set_animation(maidroid.animation_frames.MINE)
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self:set_yaw_by_direction(vector.subtract(self.destination, self.object:getpos()))
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return
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else
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to_walk_randomly(self)
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return
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end
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end
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to_mow = function(self)
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self.state = state.MOW
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self.time_counters[1] = 0
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self.object:setvelocity{x = 0, y = 0, z = 0}
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self:set_animation(maidroid.animation_frames.MINE)
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self:set_yaw_by_direction(vector.subtract(self.destination, self.object:getpos()))
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end
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walk_to_plant_and_mow_common = function(self, dtime)
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if is_near(self, self.destination, 1.5) then
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if self.state == state.WALK_TO_PLANT then
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to_plant(self)
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return
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elseif self.state == state.WALK_TO_MOW then
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to_mow(self)
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return
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end
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end
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if self.time_counters[2] >= MAX_WALK_TIME then -- time over.
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to_walk_randomly(self)
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return
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end
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self.time_counters[1] = self.time_counters[1] + 1
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self.time_counters[2] = self.time_counters[2] + 1
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if self.time_counters[1] >= FIND_PATH_TIME_INTERVAL then
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self.time_counters[1] = 0
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local path = minetest.find_path(self.object:getpos(), self.destination, 10, 1, 1, "A*")
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if path == nil then
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to_walk_randomly(self)
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return
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end
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self.path = path
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end
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-- follow path
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if is_near(self, self.path[1], 0.5) then
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table.remove(self.path, 1)
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if #self.path == 0 then -- end of path
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if self.state == state.WALK_TO_PLANT then
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to_plant(self)
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return
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elseif self.state == state.WALK_TO_MOW then
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to_mow(self)
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return
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end
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else -- else next step, follow next path.
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self:change_direction(self.path[1])
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end
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else
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-- if maidroid is stopped by obstacles, the maidroid must jump.
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local velocity = self.object:getvelocity()
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if velocity.y == 0 then
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local front_node = self:get_front_node()
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if front_node.name ~= "air" and minetest.registered_nodes[front_node.name] ~= nil
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and minetest.registered_nodes[front_node.name].walkable
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and not (minetest.get_item_group(front_node.name, "fence") > 0) then
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self.object:setvelocity{x = velocity.x, y = 6, z = velocity.z}
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end
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end
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end
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end
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plant = function(self, dtime)
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if self.time_counters[1] >= 15 then
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if is_plantable_place(self.destination) then
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local stack = self:get_wield_item_stack()
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local itemname = stack:get_name()
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local pointed_thing = {
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type = "node",
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under = vector.add(self.destination, {x = 0, y = -1, z = 0}),
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above = self.destination,
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}
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farming.place_seed(stack, minetest.get_player_by_name(self.owner_name), pointed_thing, stack:get_name())
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stack:take_item(1)
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self:set_wield_item_stack(stack)
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end
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to_walk_randomly(self)
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return
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else
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self.time_counters[1] = self.time_counters[1] + 1
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end
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end
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mow = function(self, dtime)
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if self.time_counters[1] >= 15 then
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if is_mowable_place(self.destination) then
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local destnode = minetest.get_node(self.destination)
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minetest.remove_node(self.destination)
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local stacks = minetest.get_node_drops(destnode.name)
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for _, stack in ipairs(stacks) do
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local leftover = self:add_item_to_main(stack)
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minetest.add_item(self.destination, leftover)
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end
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end
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to_walk_randomly(self)
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return
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else
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self.time_counters[1] = self.time_counters[1] + 1
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end
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end
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local function on_step(self, dtime)
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if self.state == state.WALK_RANDOMLY then
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walk_randomly(self, dtime)
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elseif self.state == state.WALK_TO_PLANT or self.state == state.WALK_TO_MOW then
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walk_to_plant_and_mow_common(self, dtime)
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elseif self.state == state.PLANT then
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plant(self, dtime)
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elseif self.state == state.MOW then
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mow(self, dtime)
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end
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end
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local core = maidroid.registered_cores["maidroid_core:farming"]
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core.on_start = on_start
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core.on_stop = on_stop
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core.on_resume = on_start
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core.on_pause = on_stop
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core.on_step = on_step
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