forked from mtcontrib/maidroid
291 lines
8.3 KiB
Lua
291 lines
8.3 KiB
Lua
------------------------------------------------------------
|
|
-- Copyright (c) 2016 tacigar. All rights reserved.
|
|
-- https://github.com/tacigar/maidroid
|
|
------------------------------------------------------------
|
|
|
|
local state = {
|
|
WALK_RANDOMLY = 0,
|
|
WALK_TO_PLANT = 1,
|
|
WALK_TO_MOW = 2,
|
|
PLANT = 3,
|
|
MOW = 4,
|
|
}
|
|
|
|
local target_plants = {
|
|
"farming:cotton_8",
|
|
"farming:wheat_8",
|
|
}
|
|
|
|
local _aux = maidroid_core._aux
|
|
|
|
local FIND_PATH_TIME_INTERVAL = 20
|
|
local CHANGE_DIRECTION_TIME_INTERVAL = 30
|
|
local MAX_WALK_TIME = 120
|
|
|
|
-- is_plantable_place reports whether maidroid can plant any seed.
|
|
local function is_plantable_place(pos)
|
|
local node = minetest.get_node(pos)
|
|
local lpos = vector.add(pos, {x = 0, y = -1, z = 0})
|
|
local lnode = minetest.get_node(lpos)
|
|
return node.name == "air"
|
|
and minetest.get_item_group(lnode.name, "wet") > 0
|
|
end
|
|
|
|
-- is_mowable_place reports whether maidroid can mow.
|
|
local function is_mowable_place(pos)
|
|
local node = minetest.get_node(pos)
|
|
for _, plant in ipairs(target_plants) do
|
|
if plant == node.name then
|
|
return true
|
|
end
|
|
end
|
|
return false
|
|
end
|
|
|
|
|
|
local walk_randomly, walk_to_plant_and_mow_common, plant, mow
|
|
local to_walk_randomly, to_walk_to_plant, to_walk_to_mow, to_plant, to_mow
|
|
|
|
local function on_start(self)
|
|
self.object:setacceleration{x = 0, y = -10, z = 0}
|
|
self.object:setvelocity{x = 0, y = 0, z = 0}
|
|
self.state = state.WALK_RANDOMLY
|
|
self.time_counters = {}
|
|
self.path = nil
|
|
to_walk_randomly(self)
|
|
end
|
|
|
|
local function on_stop(self)
|
|
self.object:setvelocity{x = 0, y = 0, z = 0}
|
|
self.state = nil
|
|
self.time_counters = nil
|
|
self.path = nil
|
|
self:set_animation(maidroid.animation_frames.STAND)
|
|
end
|
|
|
|
local function is_near(self, pos, distance)
|
|
local p = self.object:getpos()
|
|
-- p.y = p.y + 0.5
|
|
return vector.distance(p, pos) < distance
|
|
end
|
|
|
|
local searching_range = {x = 5, y = 2, z = 5}
|
|
|
|
walk_randomly = function(self, dtime)
|
|
if self.time_counters[1] >= FIND_PATH_TIME_INTERVAL then
|
|
self.time_counters[1] = 0
|
|
self.time_counters[2] = self.time_counters[2] + 1
|
|
|
|
local wield_stack = self:get_wield_item_stack()
|
|
if minetest.get_item_group(wield_stack:get_name(), "seed") > 0
|
|
or self:has_item_in_main(function(itemname) return (minetest.get_item_group(itemname, "seed") > 0) end) then
|
|
local destination = _aux.search_surrounding(self.object:getpos(), is_plantable_place, searching_range)
|
|
if destination ~= nil then
|
|
local path = minetest.find_path(self.object:getpos(), destination, 10, 1, 1, "A*")
|
|
|
|
if path ~= nil then -- to walk to plant state.
|
|
to_walk_to_plant(self, path, destination)
|
|
return
|
|
end
|
|
end
|
|
end
|
|
-- if couldn't find path to plant, try to mow.
|
|
local destination = _aux.search_surrounding(self.object:getpos(), is_mowable_place, searching_range)
|
|
if destination ~= nil then
|
|
local path = minetest.find_path(self.object:getpos(), destination, 10, 1, 1, "A*")
|
|
if path ~= nil then -- to walk to mow state.
|
|
to_walk_to_mow(self, path, destination)
|
|
return
|
|
end
|
|
end
|
|
-- else do nothing.
|
|
return
|
|
|
|
elseif self.time_counters[2] >= CHANGE_DIRECTION_TIME_INTERVAL then
|
|
self.time_counters[1] = self.time_counters[1] + 1
|
|
self.time_counters[2] = 0
|
|
self:change_direction_randomly()
|
|
return
|
|
else
|
|
self.time_counters[1] = self.time_counters[1] + 1
|
|
self.time_counters[2] = self.time_counters[2] + 1
|
|
|
|
local velocity = self.object:getvelocity()
|
|
if velocity.y == 0 then
|
|
local front_node = self:get_front_node()
|
|
if front_node.name ~= "air" and minetest.registered_nodes[front_node.name].walkable
|
|
and not (minetest.get_item_group(front_node.name, "fence") > 0) then
|
|
self.object:setvelocity{x = velocity.x, y = 6, z = velocity.z}
|
|
end
|
|
end
|
|
return
|
|
end
|
|
end
|
|
|
|
to_walk_randomly = function(self)
|
|
self.state = state.WALK_RANDOMLY
|
|
self.time_counters[1] = 0
|
|
self.time_counters[2] = 0
|
|
self:change_direction_randomly()
|
|
self:set_animation(maidroid.animation_frames.WALK)
|
|
end
|
|
|
|
to_walk_to_plant = function(self, path, destination)
|
|
self.state = state.WALK_TO_PLANT
|
|
self.path = path
|
|
self.destination = destination
|
|
self.time_counters[1] = 0 -- find path interval
|
|
self.time_counters[2] = 0
|
|
self:change_direction(self.path[1])
|
|
self:set_animation(maidroid.animation_frames.WALK)
|
|
end
|
|
|
|
to_walk_to_mow = function(self, path, destination)
|
|
self.state = state.WALK_TO_MOW
|
|
self.path = path
|
|
self.destination = destination
|
|
self.time_counters[1] = 0 -- find path interval
|
|
self.time_counters[2] = 0
|
|
self:change_direction(self.path[1])
|
|
self:set_animation(maidroid.animation_frames.WALK)
|
|
end
|
|
|
|
to_plant = function(self)
|
|
local wield_stack = self:get_wield_item_stack()
|
|
if minetest.get_item_group(wield_stack:get_name(), "seed") > 0
|
|
or self:move_main_to_wield(function(itemname) return (minetest.get_item_group(itemname, "seed") > 0) end) then
|
|
self.state = state.PLANT
|
|
self.time_counters[1] = 0
|
|
self.object:setvelocity{x = 0, y = 0, z = 0}
|
|
self:set_animation(maidroid.animation_frames.MINE)
|
|
self:set_yaw_by_direction(vector.subtract(self.destination, self.object:getpos()))
|
|
return
|
|
else
|
|
to_walk_randomly(self)
|
|
return
|
|
end
|
|
end
|
|
|
|
to_mow = function(self)
|
|
self.state = state.MOW
|
|
self.time_counters[1] = 0
|
|
self.object:setvelocity{x = 0, y = 0, z = 0}
|
|
self:set_animation(maidroid.animation_frames.MINE)
|
|
self:set_yaw_by_direction(vector.subtract(self.destination, self.object:getpos()))
|
|
end
|
|
|
|
walk_to_plant_and_mow_common = function(self, dtime)
|
|
if is_near(self, self.destination, 1.5) then
|
|
if self.state == state.WALK_TO_PLANT then
|
|
to_plant(self)
|
|
return
|
|
elseif self.state == state.WALK_TO_MOW then
|
|
to_mow(self)
|
|
return
|
|
end
|
|
end
|
|
|
|
if self.time_counters[2] >= MAX_WALK_TIME then -- time over.
|
|
to_walk_randomly(self)
|
|
return
|
|
end
|
|
|
|
self.time_counters[1] = self.time_counters[1] + 1
|
|
self.time_counters[2] = self.time_counters[2] + 1
|
|
|
|
if self.time_counters[1] >= FIND_PATH_TIME_INTERVAL then
|
|
self.time_counters[1] = 0
|
|
local path = minetest.find_path(self.object:getpos(), self.destination, 10, 1, 1, "A*")
|
|
if path == nil then
|
|
to_walk_randomly(self)
|
|
return
|
|
end
|
|
self.path = path
|
|
end
|
|
|
|
-- follow path
|
|
if is_near(self, self.path[1], 0.5) then
|
|
table.remove(self.path, 1)
|
|
|
|
if #self.path == 0 then -- end of path
|
|
if self.state == state.WALK_TO_PLANT then
|
|
to_plant(self)
|
|
return
|
|
elseif self.state == state.WALK_TO_MOW then
|
|
to_mow(self)
|
|
return
|
|
end
|
|
else -- else next step, follow next path.
|
|
self:change_direction(self.path[1])
|
|
end
|
|
|
|
else
|
|
-- if maidroid is stopped by obstacles, the maidroid must jump.
|
|
local velocity = self.object:getvelocity()
|
|
if velocity.y == 0 then
|
|
local front_node = self:get_front_node()
|
|
if front_node.name ~= "air" and minetest.registered_nodes[front_node.name].walkable
|
|
and not (minetest.get_item_group(front_node.name, "fence") > 0) then
|
|
self.object:setvelocity{x = velocity.x, y = 6, z = velocity.z}
|
|
end
|
|
end
|
|
end
|
|
end
|
|
|
|
plant = function(self, dtime)
|
|
if self.time_counters[1] >= 15 then
|
|
if is_plantable_place(self.destination) then
|
|
local stack = self:get_wield_item_stack()
|
|
local itemname = stack:get_name()
|
|
minetest.add_node(self.destination, {name = itemname, param2 = 1})
|
|
stack:take_item(1)
|
|
self:set_wield_item_stack(stack)
|
|
end
|
|
to_walk_randomly(self)
|
|
return
|
|
else
|
|
self.time_counters[1] = self.time_counters[1] + 1
|
|
end
|
|
end
|
|
|
|
mow = function(self, dtime)
|
|
if self.time_counters[1] >= 15 then
|
|
if is_mowable_place(self.destination) then
|
|
local destnode = minetest.get_node(self.destination)
|
|
minetest.remove_node(self.destination)
|
|
local stacks = minetest.get_node_drops(destnode.name)
|
|
|
|
for _, stack in ipairs(stacks) do
|
|
local leftover = self:add_item_to_main(stack)
|
|
minetest.add_item(self.destination, leftover)
|
|
end
|
|
end
|
|
to_walk_randomly(self)
|
|
return
|
|
else
|
|
self.time_counters[1] = self.time_counters[1] + 1
|
|
end
|
|
end
|
|
|
|
local function on_step(self, dtime)
|
|
if self.state == state.WALK_RANDOMLY then
|
|
walk_randomly(self, dtime)
|
|
elseif self.state == state.WALK_TO_PLANT or self.state == state.WALK_TO_MOW then
|
|
walk_to_plant_and_mow_common(self, dtime)
|
|
elseif self.state == state.PLANT then
|
|
plant(self, dtime)
|
|
elseif self.state == state.MOW then
|
|
mow(self, dtime)
|
|
end
|
|
end
|
|
|
|
maidroid.register_core("maidroid_core:farming", {
|
|
description = "maidroid core : farming",
|
|
inventory_image = "maidroid_core_farming.png",
|
|
on_start = on_start,
|
|
on_stop = on_stop,
|
|
on_resume = on_start,
|
|
on_pause = on_stop,
|
|
on_step = on_step,
|
|
})
|