mirror of
https://github.com/minetest-mods/digtron.git
synced 2024-07-07 08:15:22 +02:00
330 lines
14 KiB
Lua
330 lines
14 KiB
Lua
local controller_nodebox ={
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{-0.3125, -0.3125, -0.3125, 0.3125, 0.3125, 0.3125}, -- Core
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{-0.1875, 0.3125, -0.1875, 0.1875, 0.5, 0.1875}, -- +y_connector
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{-0.1875, -0.5, -0.1875, 0.1875, -0.3125, 0.1875}, -- -y_Connector
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{0.3125, -0.1875, -0.1875, 0.5, 0.1875, 0.1875}, -- +x_connector
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{-0.5, -0.1875, -0.1875, -0.3125, 0.1875, 0.1875}, -- -x_connector
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{-0.1875, -0.1875, 0.3125, 0.1875, 0.1875, 0.5}, -- +z_connector
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{-0.5, 0.125, -0.5, -0.125, 0.5, -0.3125}, -- back_connector_3
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{0.125, 0.125, -0.5, 0.5, 0.5, -0.3125}, -- back_connector_1
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{0.125, -0.5, -0.5, 0.5, -0.125, -0.3125}, -- back_connector_2
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{-0.5, -0.5, -0.5, -0.125, -0.125, -0.3125}, -- back_connector_4
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}
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-- Master controller. Most complicated part of the whole system. Determines which direction a digtron moves and triggers all of its component parts.
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minetest.register_node("digtron:controller", {
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description = "Digtron Control Unit",
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groups = {cracky = 3, stone = 1, digtron = 1},
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drop = 'digtron:controller',
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paramtype2= 'facedir',
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-- Aims in the +Z direction by default
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tiles = {
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"digtron_plate.png^[transformR90",
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"digtron_plate.png^[transformR270",
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"digtron_plate.png",
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"digtron_plate.png^[transformR180",
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"digtron_plate.png",
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"digtron_control.png",
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},
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drawtype = "nodebox",
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paramtype = "light",
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node_box = {
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type = "fixed",
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fixed = controller_nodebox,
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},
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on_rightclick = function(pos, node, clicker, itemstack, pointed_thing)
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local meta = minetest.get_meta(pos)
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if meta:get_string("waiting") == "true" then
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-- Been too soon since last time the digtron did a cycle.
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return
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end
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local layout = digtron.get_all_digtron_neighbours(pos, clicker)
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if layout.all == nil then
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-- get_all_digtron_neighbours returns nil if the digtron array touches unloaded nodes, too dangerous to do anything in that situation. Abort.
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minetest.sound_play("buzzer", {gain=0.5, pos=pos})
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meta:set_string("infotext", "Digtron is adjacent to unloaded nodes.")
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return
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end
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if layout.traction * digtron.traction_factor < table.getn(layout.all) then
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-- digtrons can't fly
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minetest.sound_play("squeal", {gain=1.0, pos=pos})
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meta:set_string("infotext", string.format("Digtron has %d nodes but only enough traction to move %d nodes.", table.getn(layout.all), layout.traction * digtron.traction_factor))
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return
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end
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local facing = minetest.get_node(pos).param2
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local controlling_coordinate = digtron.get_controlling_coordinate(pos, facing)
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----------------------------------------------------------------------------------------------------------------------
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local nodes_dug = Pointset.create()
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local items_dropped = {}
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-- execute the execute_dig method on all digtron components that have one
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-- This builds a set of nodes that will be dug and returns a list of products that will be generated
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-- but doesn't actually dig the nodes yet. That comes later.
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-- If we dug them now, sand would fall and some digtron nodes would die.
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for k, location in pairs(layout.diggers) do
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local target = minetest.get_node(location)
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local targetdef = minetest.registered_nodes[target.name]
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if targetdef.execute_dig ~= nil then
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local dropped = targetdef.execute_dig(location, layout.protected, nodes_dug, controlling_coordinate)
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if dropped ~= nil then
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for _, itemname in pairs(dropped) do
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table.insert(items_dropped, itemname)
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end
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end
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else
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minetest.log(string.format("%s has digger group but is missing execute_dig method! This is an error in mod programming, file a bug.", targetdef.name))
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end
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end
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----------------------------------------------------------------------------------------------------------------------
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-- test if any digtrons are obstructed by non-digtron nodes that haven't been marked
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-- as having been dug.
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local can_move = true
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for _, location in pairs(layout.all) do
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local newpos = digtron.find_new_pos(location, facing)
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if not digtron.can_move_to(newpos, layout.protected, nodes_dug) then
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can_move = false
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end
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end
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if not can_move then
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-- mark this node as waiting, will clear this flag in digtron.refractory seconds
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minetest.get_meta(pos):set_string("waiting", "true")
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minetest.after(digtron.refractory,
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function (pos)
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minetest.get_meta(pos):set_string("waiting", nil)
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end, pos
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)
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minetest.sound_play("squeal", {gain=1.0, pos=pos})
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minetest.sound_play("buzzer", {gain=0.5, pos=pos})
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meta:set_string("infotext", "Digtron is obstructed.")
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return --Abort, don't dig and don't build.
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end
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----------------------------------------------------------------------------------------------------------------------
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-- ask each builder node if it can get what it needs from inventory to build this cycle.
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-- This is a complicated test because each builder needs to actually *take* the item it'll
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-- need from inventory, and then we put it all back afterward.
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local can_build = true
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local test_build_return = nil
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local test_items = {}
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for k, location in pairs(layout.builders) do
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local target = minetest.get_node(location)
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local targetdef = minetest.registered_nodes[target.name]
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local test_location = digtron.find_new_pos(location, facing)
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if targetdef.test_build ~= nil then
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test_build_return = targetdef.test_build(location, test_location, layout.inventories, layout.protected, nodes_dug, controlling_coordinate, layout.controller)
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if test_build_return == 1 or test_build_return == 2 then
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can_build = false
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break
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end
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if test_build_return ~= 0 then
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table.insert(test_items, test_build_return)
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end
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else
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minetest.log(string.format("%s has builder group but is missing test_build method! This is an error in mod programming, file a bug.", targetdef.name))
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end
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end
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for k, item_return in pairs(test_items) do
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--Put everything back where it came from
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digtron.place_in_specific_inventory(item_return.item, item_return.location, layout.inventories, layout.controller)
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end
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if not can_build then
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minetest.get_meta(pos):set_string("waiting", "true")
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minetest.after(digtron.refractory,
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function (pos)
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minetest.get_meta(pos):set_string("waiting", nil)
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end, pos
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)
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if test_build_return == 1 then
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minetest.sound_play("honk", {gain=0.5, pos=pos}) -- A builder is not configured
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meta:set_string("infotext", "Digtron connected to at least one builder node that hasn't had an output material assigned.")
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elseif test_build_return == 2 then
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minetest.sound_play("dingding", {gain=1.0, pos=pos}) -- Insufficient inventory
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meta:set_string("infotext", "Digtron has insufficient materials in inventory to execute all build operations.")
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end
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return --Abort, don't dig and don't build.
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end
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----------------------------------------------------------------------------------------------------------------------
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-- All tests passed, ready to go for real!
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minetest.sound_play("construction", {gain=1.0, pos=pos})
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-- store or drop the products of the digger heads
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for _, itemname in pairs(items_dropped) do
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digtron.place_in_inventory(itemname, layout.inventories, pos)
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end
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-- if the player is standing within the array or next to it, move him too.
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local player_pos = clicker:getpos()
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local move_player = false
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if player_pos.x >= layout.extents.min_x - 1 and player_pos.x <= layout.extents.max_x + 1 and
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player_pos.y >= layout.extents.min_y - 1 and player_pos.y <= layout.extents.max_y + 1 and
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player_pos.z >= layout.extents.min_z - 1 and player_pos.z <= layout.extents.max_z + 1 then
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move_player = true
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end
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--move the array
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digtron.move_digtron(facing, layout.all, layout.extents, nodes_dug)
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local oldpos = {x=pos.x, y=pos.y, z=pos.z}
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pos = digtron.find_new_pos(pos, facing)
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if move_player then
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clicker:moveto(digtron.find_new_pos(player_pos, facing), true)
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end
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-- Start the delay before digtron can run again. Do this after moving the array or pos will be wrong.
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minetest.get_meta(pos):set_string("waiting", "true")
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minetest.after(digtron.refractory,
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function (pos)
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minetest.get_meta(pos):set_string("waiting", nil)
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end, pos
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)
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local strange_failure = false
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-- execute_build on all digtron components that have one
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for k, location in pairs(layout.builders) do
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local target = minetest.get_node(location)
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local targetdef = minetest.registered_nodes[target.name]
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if targetdef.execute_build ~= nil then
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--using the old location of the controller as fallback so that any leftovers land with the rest of the digger output. Not that there should be any.
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if targetdef.execute_build(location, clicker, layout.inventories, layout.protected, nodes_dug, controlling_coordinate, oldpos) == false then
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-- Don't interrupt the build cycle as a whole, we've already moved so might as well try to complete as much as possible.
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strange_failure = true
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end
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else
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minetest.log(string.format("%s has builder group but is missing execute_build method! This is an error in mod programming, file a bug.", targetdef.name))
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end
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end
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if strange_failure then
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-- We weren't able to detect this build failure ahead of time, so make a big noise now. This is strange, shouldn't happen often.
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minetest.sound_play("dingding", {gain=1.0, pos=pos})
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minetest.sound_play("buzzer", {gain=0.5, pos=pos})
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meta:set_string("infotext", "Digtron unexpectedly failed to execute a build operation.")
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end
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-- finally, dig out any nodes remaining to be dug. Some of these will have had their flag revoked because
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-- a builder put something there or because they're another digtron node.
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local node_to_dig, whether_to_dig = nodes_dug:pop()
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while node_to_dig ~= nil do
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if whether_to_dig == true then
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minetest.remove_node(node_to_dig)
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end
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node_to_dig, whether_to_dig = nodes_dug:pop()
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end
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end,
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})
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-- A much simplified control unit that only moves the digtron, and doesn't trigger the diggers or builders.
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-- Handy for shoving a digtron to the side if it's been built a bit off.
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minetest.register_node("digtron:pusher", {
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description = "Digtron Pusher Unit",
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groups = {cracky = 3, stone = 1, digtron = 1},
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drop = 'digtron:pusher',
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paramtype2= 'facedir',
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-- Aims in the +Z direction by default
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tiles = {
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"digtron_plate.png^[transformR90^[colorize:#00880030",
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"digtron_plate.png^[transformR270^[colorize:#00880030",
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"digtron_plate.png^[colorize:#00880030",
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"digtron_plate.png^[transformR180^[colorize:#00880030",
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"digtron_plate.png^[colorize:#00880030",
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"digtron_control.png^[colorize:#00880030",
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},
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drawtype = "nodebox",
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paramtype = "light",
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node_box = {
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type = "fixed",
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fixed = controller_nodebox,
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},
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on_rightclick = function(pos, node, clicker, itemstack, pointed_thing)
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local meta = minetest.get_meta(pos)
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if meta:get_string("waiting") == "true" then
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-- Been too soon since last time the digtron did a cycle.
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return
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end
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local layout = digtron.get_all_digtron_neighbours(pos, clicker)
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if layout.all == nil then
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-- get_all_digtron_neighbours returns nil if the digtron array touches unloaded nodes, too dangerous to do anything in that situation. Abort.
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minetest.sound_play("buzzer", {gain=0.5, pos=pos})
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meta:set_string("infotext", "Digtron is adjacent to unloaded nodes.")
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return
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end
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if layout.traction * digtron.traction_factor < table.getn(layout.all) then
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-- digtrons can't fly
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minetest.sound_play("squeal", {gain=1.0, pos=pos})
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meta:set_string("infotext", string.format("Digtron has %d nodes but only enough traction to move %d nodes.", table.getn(layout.all), layout.traction * digtron.traction_factor))
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return
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end
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local facing = minetest.get_node(pos).param2
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local controlling_coordinate = digtron.get_controlling_coordinate(pos, facing)
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local nodes_dug = Pointset.create() -- empty set, we're not digging anything
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-- test if any digtrons are obstructed by non-digtron nodes that haven't been marked
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-- as having been dug.
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local can_move = true
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for _, location in pairs(layout.all) do
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local newpos = digtron.find_new_pos(location, facing)
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if not digtron.can_move_to(newpos, layout.protected, nodes_dug) then
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can_move = false
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end
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end
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if not can_move then
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-- mark this node as waiting, will clear this flag in digtron.refractory seconds
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meta:set_string("waiting", "true")
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minetest.after(digtron.refractory,
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function (pos)
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minetest.get_meta(pos):set_string("waiting", nil)
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end, pos
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)
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minetest.sound_play("squeal", {gain=1.0, pos=pos})
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minetest.sound_play("buzzer", {gain=0.5, pos=pos})
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meta:set_string("infotext", "Digtron is obstructed.")
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return --Abort
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end
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minetest.sound_play("truck", {gain=1.0, pos=pos})
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-- if the player is standing within the array or next to it, move him too.
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local player_pos = clicker:getpos()
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local move_player = false
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if player_pos.x >= layout.extents.min_x - 1 and player_pos.x <= layout.extents.max_x + 1 and
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player_pos.y >= layout.extents.min_y - 1 and player_pos.y <= layout.extents.max_y + 1 and
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player_pos.z >= layout.extents.min_z - 1 and player_pos.z <= layout.extents.max_z + 1 then
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move_player = true
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end
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--move the array
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digtron.move_digtron(facing, layout.all, layout.extents, nodes_dug)
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local oldpos = {x=pos.x, y=pos.y, z=pos.z}
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pos = digtron.find_new_pos(pos, facing)
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if move_player then
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clicker:moveto(digtron.find_new_pos(player_pos, facing), true)
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end
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-- Start the delay before digtron can run again. Do this after moving the array or pos will be wrong.
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minetest.get_meta(pos):set_string("waiting", "true")
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minetest.after(digtron.refractory,
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function (pos)
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minetest.get_meta(pos):set_string("waiting", nil)
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end, pos
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)
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end,
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}) |