316 lines
8.2 KiB
Lua
316 lines
8.2 KiB
Lua
--[[
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Signs Bot
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=========
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Copyright (C) 2019 Joachim Stolberg
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GPL v3
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See LICENSE.txt for more information
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Bot move commands
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]]--
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-- for lazy programmers
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local S = function(pos) if pos then return minetest.pos_to_string(pos) end end
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local P = minetest.string_to_pos
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local M = minetest.get_meta
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-- Load support for intllib.
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local MP = minetest.get_modpath("signs_bot")
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local I,_ = dofile(MP.."/intllib.lua")
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local lib = signs_bot.lib
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local get_node_lvm = lib.get_node_lvm
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local function node_and_pos(pos)
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return get_node_lvm(pos), pos
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end
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-- Positions to check:
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-- 5 6
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-- [R]1
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-- 3 2
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-- 4
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function signs_bot.move_robot(mem)
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local param2 = mem.robot_param2
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local pos = mem.robot_pos
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local node1, pos1 = node_and_pos(lib.next_pos(pos, param2))
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local node2, pos2 = node_and_pos({x=pos1.x, y=pos1.y-1, z=pos1.z})
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local node3, pos3 = node_and_pos({x=pos.x, y=pos.y-1, z=pos.z})
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--
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-- One step forward (pos1)
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--
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if lib.check_pos(pos1, node1, node2, param2) or
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lib.check_pos(pos1, node1, node3, param2) then
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if node3.name == "signs_bot:robot_foot" then
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minetest.swap_node(pos3, mem.stored_node or {name = "air"})
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minetest.remove_node(pos)
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elseif node3.name == "signs_bot:robot_leg" then
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local node4, pos4 = node_and_pos({x=pos.x, y=pos.y-2, z=pos.z})
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if node4.name == "signs_bot:robot_foot" then
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minetest.swap_node(pos4, mem.stored_node or {name = "air"})
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end
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minetest.remove_node(pos)
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else
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minetest.swap_node(pos, mem.stored_node or {name = "air"})
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end
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mem.stored_node = node1
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minetest.set_node(pos1, {name="signs_bot:robot", param2=param2})
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minetest.sound_play('signs_bot_step', {pos = pos1})
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return pos1
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end
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--
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-- One step up (pos5)
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--
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local node6, pos6 = node_and_pos({x=pos1.x, y=pos1.y+1, z=pos1.z})
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if lib.check_pos(pos6, node6, node1, param2) then
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local node5, pos5 = node_and_pos({x=pos.x, y=pos.y+1, z=pos.z})
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if node5.name == "air" then
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if node3.name == "signs_bot:robot_leg" then
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return nil
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elseif node3.name == "signs_bot:robot_foot" then
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minetest.swap_node(pos3, {name="signs_bot:robot_leg"})
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else
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minetest.swap_node(pos, {name="signs_bot:robot_foot"})
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end
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minetest.set_node(pos5, {name="signs_bot:robot", param2=param2})
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minetest.sound_play('signs_bot_step', {pos = pos5})
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return pos5
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end
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end
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--
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-- One step down I (pos3)
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--
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local node4, pos4 = node_and_pos({x=pos.x, y=pos.y-2, z=pos.z})
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if lib.check_pos(pos3, node3, node4, param2) then --
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minetest.remove_node(pos)
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minetest.set_node(pos3, {name="signs_bot:robot", param2=param2})
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minetest.sound_play('signs_bot_step', {pos = pos3})
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mem.stored_node = node3
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return pos3
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end
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--
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-- One step down II (pos3)
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--
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if node3.name == "signs_bot:robot_foot" or node3.name == "signs_bot:robot_leg" then
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minetest.remove_node(pos)
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minetest.set_node(pos3, {name="signs_bot:robot", param2=param2})
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minetest.sound_play('signs_bot_step', {pos = pos3})
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return pos3
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end
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end
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local function backward_robot(mem)
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local param2 = mem.robot_param2
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local pos = mem.robot_pos
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local node1, pos1 = node_and_pos(lib.next_pos(pos, (param2 + 2) % 4))
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local node2, pos2 = node_and_pos({x=pos1.x, y=pos1.y-1, z=pos1.z})
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local node3, pos3 = node_and_pos({x=pos.x, y=pos.y-1, z=pos.z})
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local node4, pos4 = node_and_pos({x=pos.x, y=pos.y-2, z=pos.z})
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local new_pos = nil
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if lib.check_pos(pos1, node1, node2, param2) then
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if node3.name == "signs_bot:robot_foot" or node3.name == "signs_bot:robot_leg" then
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minetest.remove_node(pos3)
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if node4.name == "signs_bot:robot_foot" then
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minetest.remove_node(pos4)
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end
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end
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minetest.swap_node(pos, mem.stored_node or {name = "air"})
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minetest.set_node(pos1, {name="signs_bot:robot", param2=param2})
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minetest.sound_play('signs_bot_step', {pos = pos1})
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mem.stored_node = node1
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return pos1
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end
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end
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signs_bot.register_botcommand("backward", {
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mod = "move",
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params = "",
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num_param = 0,
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description = I("Move the robot one step back"),
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cmnd = function(base_pos, mem)
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local new_pos = backward_robot(mem)
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if new_pos then -- not blocked?
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mem.robot_pos = new_pos
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end
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return signs_bot.DONE
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end,
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})
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local function turn_robot(pos, param2, dir)
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if dir == "R" then
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param2 = (param2 + 1) % 4
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else
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param2 = (param2 + 3) % 4
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end
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minetest.swap_node(pos, {name="signs_bot:robot", param2=param2})
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minetest.sound_play('signs_bot_step', {pos = pos, gain = 0.6})
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return param2
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end
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signs_bot.register_botcommand("turn_left", {
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mod = "move",
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params = "",
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num_param = 0,
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description = I("Turn the robot to the left"),
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cmnd = function(base_pos, mem)
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mem.robot_param2 = turn_robot(mem.robot_pos, mem.robot_param2, "L")
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return signs_bot.DONE
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end,
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})
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signs_bot.register_botcommand("turn_right", {
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mod = "move",
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params = "",
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num_param = 0,
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description = I("Turn the robot to the right"),
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cmnd = function(base_pos, mem)
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mem.robot_param2 = turn_robot(mem.robot_pos, mem.robot_param2, "R")
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return signs_bot.DONE
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end,
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})
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signs_bot.register_botcommand("turn_around", {
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mod = "move",
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params = "",
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num_param = 0,
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description = I("Turn the robot around"),
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cmnd = function(base_pos, mem)
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mem.robot_param2 = turn_robot(mem.robot_pos, mem.robot_param2, "R")
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mem.robot_param2 = turn_robot(mem.robot_pos, mem.robot_param2, "R")
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return signs_bot.DONE
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end,
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})
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-- Positions to check:
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-- 1
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-- [R]
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-- 2
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local function robot_up(pos, param2)
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local node1, pos1 = node_and_pos({x=pos.x, y=pos.y+1, z=pos.z})
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local node2, pos2 = node_and_pos({x=pos.x, y=pos.y-1, z=pos.z})
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if lib.check_pos(pos1, node1, node2, param2) then
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if node2.name == "signs_bot:robot_leg" then
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return nil
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elseif node2.name == "signs_bot:robot_foot" then
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minetest.swap_node(pos, {name="signs_bot:robot_leg"})
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else
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minetest.swap_node(pos, {name="signs_bot:robot_foot"})
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end
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minetest.set_node(pos1, {name="signs_bot:robot", param2=param2})
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minetest.sound_play('signs_bot_step', {pos = pos1})
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return pos1
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end
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return nil
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end
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signs_bot.register_botcommand("move_up", {
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mod = "move",
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params = "",
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num_param = 0,
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description = I("Move the robot upwards"),
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cmnd = function(base_pos, mem)
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local new_pos = robot_up(mem.robot_pos, mem.robot_param2)
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if new_pos then -- not blocked?
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mem.robot_pos = new_pos
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end
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return signs_bot.DONE
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end,
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})
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-- Positions to check:
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-- [R]
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-- 1
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-- 2
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-- 3
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local function robot_down(pos, param2)
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local node1, pos1 = node_and_pos({x=pos.x, y=pos.y-1, z=pos.z})
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local node2, pos2 = node_and_pos({x=pos.x, y=pos.y-2, z=pos.z})
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local node3, pos3 = node_and_pos({x=pos.x, y=pos.y-3, z=pos.z})
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if lib.check_pos(pos1, node1, node2, param2)
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or (node1.name == "air" and lib.check_pos(pos2, node2, node3, param2))
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or (node1.name == "signs_bot:robot_leg" or node1.name == "signs_bot:robot_foot") then
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minetest.remove_node(pos)
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minetest.set_node(pos1, {name="signs_bot:robot", param2=param2})
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minetest.sound_play('signs_bot_step', {pos = pos1})
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return pos1
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end
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return nil
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end
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signs_bot.register_botcommand("move_down", {
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mod = "move",
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params = "",
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num_param = 0,
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description = I("Move the robot down"),
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cmnd = function(base_pos, mem)
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local new_pos = robot_down(mem.robot_pos, mem.robot_param2)
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if new_pos then -- not blocked?
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mem.robot_pos = new_pos
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end
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return signs_bot.DONE
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end,
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})
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signs_bot.register_botcommand("pause", {
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mod = "move",
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params = "<sec>",
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num_param = 1,
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description = I("Stop the robot for <sec> seconds\n(1..9999)"),
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check = function(sec)
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sec = tonumber(sec) or 1
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return sec and sec > 0 and sec < 10000
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end,
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cmnd = function(base_pos, mem, sec)
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if not mem.steps then
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mem.steps = tonumber(sec or 1)
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end
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mem.steps = mem.steps - 1
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if mem.steps == 0 then
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mem.steps = nil
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return signs_bot.DONE
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end
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if mem.capa then
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mem.capa = mem.capa + 1
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end
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return signs_bot.BUSY
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end,
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})
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signs_bot.register_botcommand("stop", {
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mod = "move",
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params = "",
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num_param = 0,
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description = I("Stop the robot."),
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cmnd = function(base_pos, mem, slot)
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if mem.capa then
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mem.capa = mem.capa + 2
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end
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return signs_bot.DONE
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end,
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})
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signs_bot.register_botcommand("turn_off", {
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mod = "move",
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params = "",
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num_param = 0,
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description = I("Turn the robot off\n"..
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"and put it back in the box."),
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cmnd = function(base_pos, mem)
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signs_bot.stop_robot(base_pos, mem)
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return signs_bot.TURN_OFF
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end,
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})
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