maidroid/modules/farming_module.lua
2016-09-13 09:48:17 +09:00

210 lines
6.0 KiB
Lua

------------------------------------------------------------
-- Copyright (c) 2016 tacigar
-- https://github.com/tacigar/maidroid
------------------------------------------------------------
local _aux = maidroid.modules._aux
local state = {
walk = 0,
punch = 1,
plant = 2,
walk_to_plant = 3,
walk_to_soil = 4,
walk_avoid = 5,
}
local max_punch_time = 20
local max_plant_time = 15
local max_avoid_time = 15
local search_lenvec = {x = 3, y = 0, z = 3}
-- find max size of each plants
local target_plants_list = {}
minetest.after(0, function()
local max = {}
for name, node in pairs(minetest.registered_nodes) do
if minetest.get_item_group(name, "plant") > 0 then
local s, i = string.match(name, "(.+)_(%d+)")
if (s and i) and (max[s] == nil or max[s] < i) then max[s] = i end
end
end
for s, i in pairs(max) do
table.insert(target_plants_list, s.."_"..i)
end
end)
-- check the maidroid has seed items
local function has_seed_item(self)
local inv = maidroid._aux.get_maidroid_inventory(self)
local stacks = inv:get_list("main")
for _, stack in ipairs(stacks) do
local item_name = stack:get_name()
if minetest.get_item_group(item_name, "seed") > 0 then
return true
end
end
return false
end
-- check can plant plants.
local function can_plant(self, pos)
local node = minetest.get_node(pos)
local upos = _aux.get_under_pos(pos)
local unode = minetest.get_node(upos)
return node.name == "air"
and minetest.get_item_group(unode.name, "wet") > 0
and has_seed_item(self)
end
-- check can punch plant
local function can_punch(self, pos)
local node = minetest.get_node(pos)
return maidroid.util.table_find_value(target_plants_list, node.name)
end
-- change state to walk
local function to_walk(self)
self.state = state.walk
self.destination = nil
self.object:set_animation(maidroid.animations.walk, 15, 0)
self.time_count = 0
_aux.change_dir(self)
end
local function to_walk_avoid(self)
to_walk(self)
self.state = state.walk_avoid
end
maidroid.register_module("maidroid:farming_module", {
description = "Maidroid Module : Farming",
inventory_image = "maidroid_farming_module.png",
initialize = function(self)
self.object:set_animation(maidroid.animations.walk, 15, 0)
self.object:setacceleration{x = 0, y = -10, z = 0}
self.state = state.walk
self.preposition = self.object:getpos()
self.time_count = 0
self.destination = nil -- for walk_to_*
_aux.change_dir(self)
end,
finalize = function(self)
self.state = nil
self.preposition = nil
self.time_count = nil
self.destination = nil
self.object:setvelocity{x = 0, y = 0, z = 0}
end,
on_step = function(self, dtime)
local pos = self.object:getpos()
local rpos = vector.round(pos)
local upos = _aux.get_under_pos(pos)
local yaw = self.object:getyaw()
_aux.pickup_item(self, 1.5, function(itemstring) -- pickup droped seed items
return minetest.get_item_group(itemstring, "seed") > 0
end)
if self.state == state.walk then -- searching plants or spaces
local b1, dest1 = _aux.search_surrounding(self, search_lenvec, can_plant)
local b2, dest2 = _aux.search_surrounding(self, search_lenvec, can_punch)
-- search soil node near
if b1 then -- to soil
self.state = state.walk_to_soil
self.destination = dest1
_aux.change_dir_to(self, dest1)
elseif b2 then
self.state = state.walk_to_plant
self.destination = dest2
_aux.change_dir_to(self, dest2)
elseif pos.x == self.preposition.x or pos.z == self.preposition.z then
_aux.change_dir(self)
end
elseif self.state == state.punch then
if self.time_count >= max_punch_time then
if can_punch(self, self.destination) then
local destnode = minetest.get_node(self.destination)
minetest.remove_node(self.destination)
local inv = minetest.get_inventory{type = "detached", name = self.invname}
local stacks = minetest.get_node_drops(destnode.name)
for _, stack in ipairs(stacks) do
local leftover = inv:add_item("main", stack)
minetest.add_item(self.destination, leftover)
end
end
to_walk(self)
else
self.time_count = self.time_count + 1
end
elseif self.state == state.plant then
if self.time_count >= max_plant_time then
if can_plant(self, self.destination) then
local inv = minetest.get_inventory{type = "detached", name = self.invname}
local stacks = inv:get_list("main")
for idx, stack in ipairs(stacks) do
local item_name = stack:get_name()
if minetest.get_item_group(item_name, "seed") > 0 then
minetest.add_node(self.destination, {name = item_name, param2 = 1})
stack:take_item(1)
inv:set_stack("main", idx, stack)
break
end
end
end
to_walk(self)
else
self.time_count = self.time_count + 1
end
elseif self.state == state.walk_to_soil then
if vector.distance(pos, self.destination) < 1.5 then -- to plant state
local destnode = minetest.get_node(self.destination)
if (can_plant(self, self.destination)) then
self.state = state.plant
self.object:set_animation(maidroid.animations.mine, 15, 0)
self.object:setvelocity{x = 0, y = 0, z = 0}
else to_walk(self) end
else
if pos.x == self.preposition.x or pos.z == self.preposition.z then
to_walk_avoid(self)
end
end
elseif self.state == state.walk_to_plant then
if vector.distance(pos, self.destination) < 1.5 then
local destnode = minetest.get_node(self.destination)
if maidroid.util.table_find_value(target_plants_list, destnode.name) then
self.state = state.punch
self.object:set_animation(maidroid.animations.mine, 15, 0)
self.object:setvelocity{x = 0, y = 0, z = 0}
else to_walk(self) end
else
if pos.x == self.preposition.x or pos.z == self.preposition.z then
to_walk_avoid(self)
end
end
elseif self.state == state.walk_avoid then
if self.time_count > max_avoid_time then
self.state = state.walk
self.time_count = 0
else
self.time_count = self.time_count + 1
end
end
self.preposition = pos
return
end
})