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https://github.com/joe7575/techpack.git
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412 lines
12 KiB
Lua
412 lines
12 KiB
Lua
--[[
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sl_robot
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========
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Copyright (C) 2018 Joachim Stolberg
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LGPLv2.1+
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See LICENSE.txt for more information
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robot.lua:
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]]--
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local Face2Dir = {[0]=
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{x=0, y=0, z=1},
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{x=1, y=0, z=0},
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{x=0, y=0, z=-1},
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{x=-1, y=0, z=0},
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{x=0, y=-1, z=0},
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{x=0, y=1, z=0}
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}
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local Inventories = {
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["tubelib:distributor"] = {take = "src", add = "src"},
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["tubelib_addons1:harvester_base"] = {take = "main", add = "fuel"},
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["tubelib_addons1:quarry"] = {take = "main", add = "fuel"},
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["tubelib_addons1:quarry_active"] = {take = "main", add = "fuel"},
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-- [""] = {take = "", add = ""},
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-- [""] = {take = "", add = ""},
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-- [""] = {take = "", add = ""},
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}
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local function inv_list_add(inv, name)
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if Inventories[name] then
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return inv:get_list(Inventories[name].add)
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elseif inv:get_list("src") then
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return inv:get_list("src")
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elseif inv:get_list("main") then
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return inv:get_list("main")
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end
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return nil
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end
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local function inv_list_take(inv, name)
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if Inventories[name] then
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return inv:get_list(Inventories[name].take)
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elseif inv:get_list("dst") then
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return inv:get_list("dst")
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elseif inv:get_list("main") then
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return inv:get_list("main")
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end
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return nil
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end
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-- return the largest stack
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local function peek(src_list)
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local max_val = 0
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local slot = nil
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for idx,stack in ipairs(src_list) do
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if stack:get_count() > max_val then
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max_val = stack:get_count()
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slot = idx
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end
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end
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return slot
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end
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-- try to take the number of items from an inventory
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local function take_num_items(src_list, num, dst_stack)
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local slot = peek(src_list)
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if slot then
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local taken = src_list[slot]:take_item(num)
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if dst_stack:item_fits(taken) then
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dst_stack:add_item(taken)
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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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function sl_robot.new_pos(pos, param2, step)
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return vector.add(pos, vector.multiply(Face2Dir[param2], step))
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end
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-- use Voxel Manipulator to read the node
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local function read_node_with_vm(pos)
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local vm = VoxelManip()
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local MinEdge, MaxEdge = vm:read_from_map(pos, pos)
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local data = vm:get_data()
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local area = VoxelArea:new({MinEdge = MinEdge, MaxEdge = MaxEdge})
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return {
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name = minetest.get_name_from_content_id(data[area:index(pos.x, pos.y, pos.z)])
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}
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end
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-- check is posA == air-like and posB == solid and no player around
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local function check_pos(posA, posB)
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local nodeA = minetest.get_node_or_nil(posA) or read_node_with_vm(posA)
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local nodeB = minetest.get_node_or_nil(posB) or read_node_with_vm(posB)
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if not minetest.registered_nodes[nodeA.name].walkable and
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minetest.registered_nodes[nodeB.name].walkable then
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local objects = minetest.get_objects_inside_radius(posA, 1)
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if #objects ~= 0 then
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minetest.sound_play('sl_robot_go_away', {pos = posA})
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return false
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else
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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 function fake_player(name)
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return {
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get_player_name = function() return name end,
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}
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end
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local function place_node(pos, owner, node_name, param2)
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local under = {x=pos.x, y=pos.y-1, z=pos.z}
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minetest.set_node(pos, {name=node_name, param2=param2})
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local pointed_thing = {type="node", under=under, above=pos}
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local itemstack = ItemStack(node_name)
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pcall(minetest.after_place_node, pos, fake_player(owner), itemstack, pointed_thing)
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end
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local function remove_node(pos)
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local node = minetest.get_node_or_nil(pos) or read_node_with_vm(pos)
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if minetest.registered_nodes[node.name].after_dig_node then
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return -- don't remove nodes with some intelligence
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end
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minetest.remove_node(pos)
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return ItemStack(node.name)
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end
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function sl_robot.place_robot(pos1, pos2, param2, player_name)
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if check_pos(pos1, pos2) then
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minetest.set_node(pos1, {name = "sl_robot:robot", param2 = param2})
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end
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end
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function sl_robot.remove_robot(pos)
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local node = minetest.get_node_or_nil(pos) or read_node_with_vm(pos)
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if node.name == "sl_robot:robot" then
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minetest.remove_node(pos)
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local pos1 = {x=pos.x, y=pos.y-1, z=pos.z}
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node = minetest.get_node_or_nil(pos1) or read_node_with_vm(pos1)
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if node.name == "sl_robot:robot_foot" or node.name == "sl_robot:robot_leg" then
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minetest.remove_node(pos1)
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pos1 = {x=pos.x, y=pos.y-2, z=pos.z}
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node = minetest.get_node_or_nil(pos1) or read_node_with_vm(pos1)
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if node.name == "sl_robot:robot_foot" then
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minetest.remove_node(pos1)
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end
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end
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end
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end
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-- Positions to check:
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-- 3
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-- [R]1
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-- 4 2
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-- 5
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function sl_robot.move_robot(pos, param2, step)
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local pos1 = sl_robot.new_pos(pos, param2, step)
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local pos2 = {x=pos1.x, y=pos1.y-1, z=pos1.z}
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local pos3 = {x=pos1.x, y=pos1.y+1, z=pos1.z}
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local pos4 = {x=pos.x, y=pos.y-1, z=pos.z}
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local pos5 = {x=pos.x, y=pos.y-2, z=pos.z}
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local new_pos = nil
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if check_pos(pos1, pos2) then -- one step forward
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new_pos = pos1
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elseif check_pos(pos3, pos1) then -- one step up
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new_pos = {x=pos.x, y=pos.y+1, z=pos.z}
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minetest.swap_node(pos, {name="sl_robot:robot_foot"})
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minetest.set_node(new_pos, {name="sl_robot:robot", param2=param2})
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minetest.sound_play('sl_robot_step', {pos = new_pos})
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return new_pos
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elseif check_pos(pos1, pos4) then -- one step forward
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new_pos = pos1
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elseif check_pos(pos4, pos5) then -- one step down
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new_pos = pos4
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else
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return nil -- blocked
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end
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local node4 = minetest.get_node_or_nil(pos4) or read_node_with_vm(pos4)
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if node4.name == "sl_robot:robot_foot" or node4.name == "sl_robot:robot_leg" then
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minetest.remove_node(pos4)
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local node5 = minetest.get_node_or_nil(pos5) or read_node_with_vm(pos5)
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if node5.name == "sl_robot:robot_foot" then
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minetest.remove_node(pos5)
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end
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end
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minetest.remove_node(pos)
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minetest.set_node(new_pos, {name="sl_robot:robot", param2=param2})
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minetest.sound_play('sl_robot_step', {pos = new_pos})
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return new_pos
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end
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function sl_robot.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="sl_robot:robot", param2=param2})
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minetest.sound_play('sl_robot_step', {pos = pos, gain = 0.6})
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return param2
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end
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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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function sl_robot.robot_up(pos, param2)
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local pos1 = {x=pos.x, y=pos.y+1, z=pos.z}
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local pos2 = {x=pos.x, y=pos.y-1, z=pos.z}
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if check_pos(pos1, pos2) then
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local node = minetest.get_node_or_nil(pos2) or read_node_with_vm(pos2)
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if node.name == "sl_robot:robot_foot" then
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minetest.swap_node(pos, {name="sl_robot:robot_leg"})
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else
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minetest.swap_node(pos, {name="sl_robot:robot_foot"})
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end
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minetest.set_node(pos1, {name="sl_robot:robot", param2=param2})
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minetest.sound_play('sl_robot_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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-- 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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function sl_robot.robot_down(pos, param2)
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local pos1 = {x=pos.x, y=pos.y-1, z=pos.z}
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local pos2 = {x=pos.x, y=pos.y-2, z=pos.z}
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local pos3 = {x=pos.x, y=pos.y-3, z=pos.z}
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local node1 = minetest.get_node_or_nil(pos1) or read_node_with_vm(pos1)
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if check_pos(pos1, pos2)
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or (node1.name == "air" and check_pos(pos2, pos3))
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or (node1.name == "sl_robot:robot_leg" or node1.name == "sl_robot:robot_foot") then
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remove_node(pos)
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minetest.set_node(pos1, {name="sl_robot:robot", param2=param2})
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minetest.sound_play('sl_robot_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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-- take items from another inventory and put it into the own inventory slot
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function sl_robot.robot_take(base_pos, robot_pos, param2, owner, num, slot)
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local pos1 = sl_robot.new_pos(robot_pos, param2, 1)
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if minetest.is_protected(pos1, owner) then
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return
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end
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local node = minetest.get_node_or_nil(pos1) or read_node_with_vm(pos1)
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local src_inv = minetest.get_inventory({type="node", pos=pos1})
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local src_list = inv_list_take(src_inv, node.name)
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local dst_inv = minetest.get_inventory({type="node", pos=base_pos})
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local dst_list = dst_inv:get_list("main")
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if src_list and take_num_items(src_list, num, dst_list[slot]) then
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src_inv:set_list(listname, src_list)
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dst_inv:set_list("main", dst_list)
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end
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end
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function sl_robot.robot_add(base_pos, robot_pos, param2, owner, num, slot)
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local pos1 = sl_robot.new_pos(robot_pos, param2, 1)
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if minetest.is_protected(pos1, owner) then
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return
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end
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local node = minetest.get_node_or_nil(pos1) or read_node_with_vm(pos1)
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local dst_inv = minetest.get_inventory({type="node", pos=pos1})
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local dst_list = inv_list_add(dst_inv, node.name)
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local src_inv = minetest.get_inventory({type="node", pos=base_pos})
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local src_list = src_inv:get_list("main")
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if dst_list then
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local taken = src_list[slot]:take_item(num)
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if dst_inv:room_for_item(listname, taken) then
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dst_inv:add_item(listname, taken)
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src_inv:set_list("main", src_list)
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end
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end
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end
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function sl_robot.robot_place(base_pos, robot_pos, param2, owner, dir, slot)
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local pos1
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if dir == "U" then
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pos1 = {x=robot_pos.x, y=robot_pos.y+1, z=robot_pos.z}
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elseif dir == "D" then
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pos1 = {x=robot_pos.x, y=robot_pos.y-1, z=robot_pos.z}
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else
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pos1 = sl_robot.new_pos(robot_pos, param2, 1)
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end
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if minetest.is_protected(pos1, owner) then
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return
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end
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local src_inv = minetest.get_inventory({type="node", pos=base_pos})
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local src_list = src_inv:get_list("main")
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local taken = src_list[slot]:take_item(1)
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if taken and taken:get_count() > 0 then
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local node1 = minetest.get_node_or_nil(pos1) or read_node_with_vm(pos1)
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if node1.name == "sl_robot:robot_leg" then
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local pos2 = {x=pos1.x, y=pos1.y-1, z=pos1.z}
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remove_node(pos2) -- remove foot
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elseif node1.name == "sl_robot:robot_foot" then
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remove_node(pos1)
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elseif minetest.registered_nodes[node1.name].walkable then
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return
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end
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place_node(pos1, owner, taken:get_name(), param2)
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src_inv:set_list("main", src_list)
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end
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end
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function sl_robot.robot_dig(base_pos, robot_pos, param2, owner, dir, slot)
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local pos1
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if dir == "U" then
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pos1 = {x=robot_pos.x, y=robot_pos.y+1, z=robot_pos.z}
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elseif dir == "D" then
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pos1 = {x=robot_pos.x, y=robot_pos.y-1, z=robot_pos.z}
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else
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pos1 = sl_robot.new_pos(robot_pos, param2, 1)
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end
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if minetest.is_protected(pos1, owner) then
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return
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end
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local item = remove_node(pos1)
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if item then
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local src_inv = minetest.get_inventory({type="node", pos=base_pos})
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local src_list = src_inv:get_list("main")
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src_list[slot]:add_item(item)
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src_inv:set_list("main", src_list)
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end
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end
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minetest.register_node("sl_robot:robot", {
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description = "SaferLua Robot",
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-- up, down, right, left, back, front
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tiles = {
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"sl_robot_robot_top.png",
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"sl_robot_robot_bottom.png",
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"sl_robot_robot_right.png",
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"sl_robot_robot_left.png",
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"sl_robot_robot_front.png",
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"sl_robot_robot_back.png",
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},
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drawtype = "nodebox",
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node_box = {
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type = "fixed",
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fixed = {
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{ -5/16, 3/16, -5/16, 5/16, 8/16, 5/16},
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{ -3/16, 2/16, -3/16, 3/16, 3/16, 3/16},
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{ -6/16, -7/16, -6/16, 6/16, 2/16, 6/16},
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{ -6/16, -8/16, -3/16, 6/16, -7/16, 3/16},
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},
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},
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paramtype2 = "facedir",
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paramtype = "light",
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sunlight_propagates = true,
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is_ground_content = false,
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groups = {crumbly=0, not_in_creative_inventory = 1},
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sounds = default.node_sound_metal_defaults(),
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})
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minetest.register_node("sl_robot:robot_leg", {
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description = "SaferLua Robot",
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tiles = {"sl_robot_robot.png^[transformR90]"},
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drawtype = "nodebox",
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node_box = {
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type = "fixed",
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fixed = {
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{ -1/8, -4/8, -1/8, 1/8, 4/8, 1/8},
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},
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},
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paramtype2 = "facedir",
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paramtype = "light",
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sunlight_propagates = true,
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is_ground_content = false,
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groups = {crumbly=0, not_in_creative_inventory = 1},
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sounds = default.node_sound_metal_defaults(),
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})
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minetest.register_node("sl_robot:robot_foot", {
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description = "SaferLua Robot",
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tiles = {"sl_robot_robot.png^[transformR90]"},
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drawtype = "nodebox",
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node_box = {
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type = "fixed",
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fixed = {
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{ -1/8, -4/8, -1/8, 1/8, 4/8, 1/8},
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{ -2/8, -4/8, -2/8, 2/8, -3/8, 2/8},
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},
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},
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paramtype2 = "facedir",
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paramtype = "light",
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sunlight_propagates = true,
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is_ground_content = false,
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groups = {crumbly=0, not_in_creative_inventory = 1},
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sounds = default.node_sound_metal_defaults(),
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})
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