digtron/node_controllers.lua
2017-01-06 18:40:14 -07:00

571 lines
22 KiB
Lua

local dig_dust = function(pos, facing)
local direction = minetest.facedir_to_dir(facing)
return {
amount = 10,
time = 1.0,
minpos = vector.subtract(pos, vector.new(0.5,0.5,0.5)),
maxpos = vector.add(pos, vector.new(0.5,0.5,0.5)),
minvel = vector.multiply(direction, -10),
maxvel = vector.multiply(direction, -20),
minacc = {x=0, y=-40, z=0},
maxacc = {x=0, y=-40, z=0},
minexptime = 0.25,
maxexptime = 0.5,
minsize = 2,
maxsize = 5,
collisiondetection = false,
vertical = false,
texture = "default_item_smoke.png^[colorize:#9F817080",
}
end
local burn_smoke = function(pos, amount)
return {
amount = math.min(amount, 40),
time = 1.0,
minpos = vector.subtract(pos, vector.new(0.5,0.5,0.5)),
maxpos = vector.add(pos, vector.new(0.5,0.5,0.5)),
minvel = {x=0, y=2, z=0},
maxvel = {x=0, y=5, z=0},
minacc = {x=0, y=0, z=0},
maxacc = {x=0, y=0, z=0},
minexptime = 0.5,
maxexptime = 1.5,
minsize = 8,
maxsize = 12,
collisiondetection = false,
vertical = false,
texture = "default_item_smoke.png^[colorize:#000000DD",
}
end
-- returns newpos, status string
local execute_cycle = function(pos, clicker)
local meta = minetest.get_meta(pos)
local fuel_burning = meta:get_float("fuel_burning") -- get amount of burned fuel left over from last cycle
local status_text = string.format("Heat remaining in controller furnace: %d", fuel_burning)
local layout = digtron.get_all_digtron_neighbours(pos, clicker)
if layout.all == nil then
-- get_all_digtron_neighbours returns nil if the digtron array touches unloaded nodes, too dangerous to do anything in that situation. Abort.
minetest.sound_play("buzzer", {gain=0.5, pos=pos})
return pos, "Digtron is adjacent to unloaded nodes.\n" .. status_text
end
if layout.water_touching == true then
minetest.sound_play("sploosh", {gain=1.0, pos=pos})
end
if layout.lava_touching == true then
minetest.sound_play("woopwoopwoop", {gain=1.0, pos=pos})
end
if layout.traction * digtron.traction_factor < table.getn(layout.all) then
-- digtrons can't fly
minetest.sound_play("squeal", {gain=1.0, pos=pos})
return pos, string.format("Digtron has %d nodes but only enough traction to move %d nodes.\n", table.getn(layout.all), layout.traction * digtron.traction_factor)
.. status_text
end
local facing = minetest.get_node(pos).param2
local move_dir = minetest.facedir_to_dir(facing)
local controlling_coordinate = digtron.get_controlling_coordinate(pos, facing)
----------------------------------------------------------------------------------------------------------------------
local nodes_dug = Pointset.create()
local items_dropped = {}
local digging_fuel_cost = 0
local particle_systems = {}
-- execute the execute_dig method on all digtron components that have one
-- This builds a set of nodes that will be dug and returns a list of products that will be generated
-- but doesn't actually dig the nodes yet. That comes later.
-- If we dug them now, sand would fall and some digtron nodes would die.
for k, location in pairs(layout.diggers) do
local target = minetest.get_node(location)
local targetdef = minetest.registered_nodes[target.name]
if targetdef.execute_dig ~= nil then
local fuel_cost, dropped = targetdef.execute_dig(location, layout.protected, nodes_dug, controlling_coordinate)
if dropped ~= nil then
for _, itemname in pairs(dropped) do
table.insert(items_dropped, itemname)
end
if digtron.particle_effects then
table.insert(particle_systems, dig_dust(vector.add(location, move_dir), target.param2))
end
end
digging_fuel_cost = digging_fuel_cost + fuel_cost
else
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))
end
end
----------------------------------------------------------------------------------------------------------------------
-- test if any digtrons are obstructed by non-digtron nodes that haven't been marked
-- as having been dug.
local can_move = true
for _, location in pairs(layout.all) do
local newpos = digtron.find_new_pos(location, facing)
if not digtron.can_move_to(newpos, layout.protected, nodes_dug) then
can_move = false
end
end
if not can_move then
-- mark this node as waiting, will clear this flag in digtron.cycle_time seconds
minetest.get_meta(pos):set_string("waiting", "true")
minetest.after(digtron.cycle_time,
function (pos)
minetest.get_meta(pos):set_string("waiting", nil)
end, pos
)
minetest.sound_play("squeal", {gain=1.0, pos=pos})
minetest.sound_play("buzzer", {gain=0.5, pos=pos})
return pos, "Digtron is obstructed.\n" .. status_text --Abort, don't dig and don't build.
end
----------------------------------------------------------------------------------------------------------------------
-- ask each builder node if it can get what it needs from inventory to build this cycle.
-- This is a complicated test because each builder needs to actually *take* the item it'll
-- need from inventory, and then we put it all back afterward.
-- Note that this test may overestimate the amount of work that will actually need to be done so don't treat its fuel cost as authoritative.
local can_build = true
local test_build_return_code = nil
local test_build_return_item = nil
local test_items = {}
local test_fuel_items = {}
local test_build_fuel_cost = 0
for k, location in pairs(layout.builders) do
local target = minetest.get_node(location)
local targetdef = minetest.registered_nodes[target.name]
local test_location = digtron.find_new_pos(location, facing)
if targetdef.test_build ~= nil then
test_build_return_code, test_build_return_item = targetdef.test_build(location, test_location, layout.inventories, layout.protected, nodes_dug, controlling_coordinate, layout.controller)
if test_build_return_code > 1 then
can_build = false
break
end
if test_build_return_code == 1 then
table.insert(test_items, test_build_return_item)
test_build_fuel_cost = test_build_fuel_cost + digtron.build_cost
end
else
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))
end
end
local test_fuel_needed = test_build_fuel_cost + digging_fuel_cost - fuel_burning
local test_fuel_burned = 0
if test_fuel_needed > 0 then
test_fuel_burned = digtron.burn(layout.fuelstores, test_fuel_needed, true)
end
--Put everything back where it came from
for k, item_return in pairs(test_items) do
digtron.place_in_specific_inventory(item_return.item, item_return.location, layout.inventories, layout.controller)
end
if test_fuel_needed > fuel_burning + test_fuel_burned then
minetest.sound_play("buzzer", {gain=0.5, pos=pos})
return pos, "Digtron needs more fuel." -- abort, don't dig and don't build.
end
if not can_build then
minetest.get_meta(pos):set_string("waiting", "true")
minetest.after(digtron.cycle_time,
function (pos)
minetest.get_meta(pos):set_string("waiting", nil)
end, pos
)
local return_string = nil
if test_build_return_code == 3 then
minetest.sound_play("honk", {gain=0.5, pos=pos}) -- A builder is not configured
return_string = "Digtron connected to at least one builder with no output material assigned.\n"
elseif test_build_return_code == 2 then
minetest.sound_play("dingding", {gain=1.0, pos=pos}) -- Insufficient inventory
return_string = string.format("Digtron has insufficient building materials. Needed: %s\n",
test_build_return_item:get_name())
end
return pos, return_string .. status_text --Abort, don't dig and don't build.
end
----------------------------------------------------------------------------------------------------------------------
-- All tests passed, ready to go for real!
minetest.sound_play("construction", {gain=1.0, pos=pos})
-- store or drop the products of the digger heads
for _, itemname in pairs(items_dropped) do
digtron.place_in_inventory(itemname, layout.inventories, pos)
end
-- if the player is standing within the array or next to it, move him too.
local player_pos = clicker:getpos()
local move_player = false
if player_pos.x >= layout.extents.min_x - 1 and player_pos.x <= layout.extents.max_x + 1 and
player_pos.y >= layout.extents.min_y - 1 and player_pos.y <= layout.extents.max_y + 1 and
player_pos.z >= layout.extents.min_z - 1 and player_pos.z <= layout.extents.max_z + 1 then
move_player = true
end
--move the array
digtron.move_digtron(facing, layout.all, layout.extents, nodes_dug, clicker:get_player_name())
local oldpos = {x=pos.x, y=pos.y, z=pos.z}
pos = digtron.find_new_pos(pos, facing)
meta = minetest.get_meta(pos)
if move_player then
clicker:moveto(digtron.find_new_pos(player_pos, facing), true)
end
local building_fuel_cost = 0
local strange_failure = false
-- execute_build on all digtron components that have one
for k, location in pairs(layout.builders) do
local target = minetest.get_node(location)
local targetdef = minetest.registered_nodes[target.name]
if targetdef.execute_build ~= nil then
--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.
local build_return = targetdef.execute_build(location, clicker, layout.inventories, layout.protected, nodes_dug, controlling_coordinate, oldpos)
if build_return == false then
-- This happens if there's insufficient inventory, but we should have confirmed there was sufficient inventory during test phase.
-- So this should never happen. However, "should never happens" happen sometimes. So
-- don't interrupt the build cycle as a whole, we've already moved so might as well try to complete as much as possible.
strange_failure = true
elseif build_return == true and not digtron.creative_mode == true then
building_fuel_cost = building_fuel_cost + digtron.build_cost
end
else
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))
end
end
local status_text = ""
if strange_failure then
-- We weren't able to detect this build failure ahead of time, so make a big noise now. This is strange, shouldn't happen.
minetest.sound_play("dingding", {gain=1.0, pos=pos})
minetest.sound_play("buzzer", {gain=0.5, pos=pos})
status_text = "Digtron unexpectedly failed to execute one or more build operations, likely due to an inventory error.\n"
end
-- acutally burn the fuel needed
local fuel_cost = digging_fuel_cost + building_fuel_cost
fuel_burning = fuel_burning - fuel_cost
if digtron.particle_effects then
table.insert(particle_systems, burn_smoke(pos, fuel_cost))
end
if fuel_burning < 0 then
fuel_burning = fuel_burning + digtron.burn(layout.fuelstores, -fuel_burning, false)
end
meta:set_float("fuel_burning", fuel_burning)
status_text = status_text .. string.format("Heat remaining in controller furnace: %d", fuel_burning)
-- Eyecandy
for _, particles in pairs(particle_systems) do
minetest.add_particlespawner(particles)
end
-- finally, dig out any nodes remaining to be dug. Some of these will have had their flag revoked because
-- a builder put something there or because they're another digtron node.
local node_to_dig, whether_to_dig = nodes_dug:pop()
while node_to_dig ~= nil do
if whether_to_dig == true then
minetest.log("action", string.format("%s uses Digtron to dig %s at (%d, %d, %d)", clicker:get_player_name(), minetest.get_node(node_to_dig).name, node_to_dig.x, node_to_dig.y, node_to_dig.z))
minetest.remove_node(node_to_dig)
end
-- all of the digtron's nodes wind up in nodes_dug, so this is an ideal place to stick
-- a check to make sand fall after the digtron has passed.
minetest.check_for_falling({x=node_to_dig.x, y=node_to_dig.y+1, z=node_to_dig.z})
node_to_dig, whether_to_dig = nodes_dug:pop()
end
return pos, status_text
end
local controller_nodebox ={
{-0.3125, -0.3125, -0.3125, 0.3125, 0.3125, 0.3125}, -- Core
{-0.1875, 0.3125, -0.1875, 0.1875, 0.5, 0.1875}, -- +y_connector
{-0.1875, -0.5, -0.1875, 0.1875, -0.3125, 0.1875}, -- -y_Connector
{0.3125, -0.1875, -0.1875, 0.5, 0.1875, 0.1875}, -- +x_connector
{-0.5, -0.1875, -0.1875, -0.3125, 0.1875, 0.1875}, -- -x_connector
{-0.1875, -0.1875, 0.3125, 0.1875, 0.1875, 0.5}, -- +z_connector
{-0.5, 0.125, -0.5, -0.125, 0.5, -0.3125}, -- back_connector_3
{0.125, 0.125, -0.5, 0.5, 0.5, -0.3125}, -- back_connector_1
{0.125, -0.5, -0.5, 0.5, -0.125, -0.3125}, -- back_connector_2
{-0.5, -0.5, -0.5, -0.125, -0.125, -0.3125}, -- back_connector_4
}
-- Master controller. Most complicated part of the whole system. Determines which direction a digtron moves and triggers all of its component parts.
minetest.register_node("digtron:controller", {
description = "Digtron Control Unit",
groups = {cracky = 3, oddly_breakable_by_hand = 3, digtron = 1},
drop = "digtron:controller",
sounds = digtron.metal_sounds,
paramtype = "light",
paramtype2= "facedir",
is_ground_content = false,
-- Aims in the +Z direction by default
tiles = {
"digtron_plate.png^[transformR90",
"digtron_plate.png^[transformR270",
"digtron_plate.png",
"digtron_plate.png^[transformR180",
"digtron_plate.png",
"digtron_control.png",
},
drawtype = "nodebox",
node_box = {
type = "fixed",
fixed = controller_nodebox,
},
on_construct = function(pos)
local meta = minetest.get_meta(pos)
meta:set_float("fuel_burning", 0.0)
meta:set_string("infotext", "Heat remaining in controller furnace: 0")
end,
on_rightclick = function(pos, node, clicker, itemstack, pointed_thing)
local meta = minetest.get_meta(pos)
if meta:get_string("waiting") == "true" then
-- Been too soon since last time the digtron did a cycle.
return
end
local newpos, status = execute_cycle(pos, clicker)
meta = minetest.get_meta(newpos)
if status ~= nil then
meta:set_string("infotext", status)
end
-- Start the delay before digtron can run again. Do this after moving the array or pos will be wrong.
minetest.get_meta(newpos):set_string("waiting", "true")
minetest.after(digtron.cycle_time,
function (pos)
minetest.get_meta(pos):set_string("waiting", nil)
end, newpos
)
end,
})
---------------------------------------------------------------------------------------------------------------
local auto_formspec = "size[4.5,1]" ..
default.gui_bg ..
default.gui_bg_img ..
default.gui_slots ..
"field[0.5,0.8;1,0.1;offset;Cycles;${offset}]" ..
"tooltip[offset;When triggered, this controller will try to run for the given number of cycles. The cycle count will decrement as it runs, so if it gets halted by a problem you can fix the problem and restart.]" ..
"field[1.5,0.8;1,0.1;period;Period;${period}]" ..
"tooltip[period;Number of seconds to wait between each cycle]" ..
"button_exit[2.2,0.5;1,0.1;set;Set]" ..
"tooltip[set;Saves the cycle setting without starting the controller running]" ..
"button_exit[3.2,0.5;1,0.1;execute;Set &\nExecute]" ..
"tooltip[execute;Begins executing the given number of cycles]"
-- Needed to make this global so that it could recurse into minetest.after
digtron.auto_cycle = function(pos)
local meta = minetest.get_meta(pos)
local player = minetest.get_player_by_name(meta:get_string("triggering_player"))
if player == nil or meta:get_string("waiting") == "true" then
return
end
local newpos, status = execute_cycle(pos, player)
local cycle = 0
if vector.equals(pos, newpos) then
cycle = meta:get_int("offset")
status = status .. string.format("\nCycles remaining: %d\nHalted!", cycle)
meta:set_string("infotext", status)
meta:set_string("formspec", auto_formspec)
return
end
meta = minetest.get_meta(newpos)
cycle = meta:get_int("offset") - 1
meta:set_int("offset", cycle)
status = status .. string.format("\nCycles remaining: %d", cycle)
meta:set_string("infotext", status)
if cycle > 0 then
minetest.after(meta:get_int("period"), digtron.auto_cycle, newpos)
else
meta:set_string("formspec", auto_formspec)
end
end
-- Master controller. Most complicated part of the whole system. Determines which direction a digtron moves and triggers all of its component parts.
minetest.register_node("digtron:auto_controller", {
description = "Digtron Automatic Control Unit",
groups = {cracky = 3, oddly_breakable_by_hand = 3, digtron = 1},
drop = "digtron:auto_controller",
sounds = digtron.metal_sounds,
paramtype = "light",
paramtype2= "facedir",
is_ground_content = false,
-- Aims in the +Z direction by default
tiles = {
"digtron_plate.png^[transformR90^[colorize:#88000030",
"digtron_plate.png^[transformR270^[colorize:#88000030",
"digtron_plate.png^[colorize:#88000030",
"digtron_plate.png^[transformR180^[colorize:#88000030",
"digtron_plate.png^[colorize:#88000030",
"digtron_control.png^[colorize:#88000030",
},
drawtype = "nodebox",
node_box = {
type = "fixed",
fixed = controller_nodebox,
},
on_construct = function(pos)
local meta = minetest.get_meta(pos)
meta:set_float("fuel_burning", 0.0)
meta:set_string("infotext", "Heat remaining in controller furnace: 0")
meta:set_string("formspec", auto_formspec)
-- Reusing offset and period to keep the digtron node-moving code simple, and the names still fit well
meta:set_int("period", digtron.cycle_time)
meta:set_int("offset", 0)
end,
on_receive_fields = function(pos, formname, fields, sender)
local meta = minetest.get_meta(pos)
local offset = tonumber(fields.offset)
local period = tonumber(fields.period)
if period and period > 0 then
meta:set_int("period", math.max(digtron.cycle_time, math.floor(period)))
end
if offset and offset >= 0 then
meta:set_int("offset", math.floor(offset))
if sender:is_player() and offset > 0 then
meta:set_string("triggering_player", sender:get_player_name())
if fields.execute then
meta:set_string("waiting", nil)
meta:set_string("formspec", nil)
digtron.auto_cycle(pos)
end
end
end
end,
on_rightclick = function(pos, node, clicker, itemstack, pointed_thing)
local meta = minetest.get_meta(pos)
meta:set_string("infotext", meta:get_string("infotext") .. "\nInterrupted!")
meta:set_string("waiting", "true")
meta:set_string("formspec", auto_formspec)
end,
})
---------------------------------------------------------------------------------------------------------------
-- A much simplified control unit that only moves the digtron, and doesn't trigger the diggers or builders.
-- Handy for shoving a digtron to the side if it's been built a bit off.
minetest.register_node("digtron:pusher", {
description = "Digtron Pusher Unit",
groups = {cracky = 3, oddly_breakable_by_hand=3, digtron = 1},
drop = "digtron:pusher",
sounds = digtron.metal_sounds,
paramtype = "light",
paramtype2= "facedir",
is_ground_content = false,
-- Aims in the +Z direction by default
tiles = {
"digtron_plate.png^[transformR90^[colorize:#00880030",
"digtron_plate.png^[transformR270^[colorize:#00880030",
"digtron_plate.png^[colorize:#00880030",
"digtron_plate.png^[transformR180^[colorize:#00880030",
"digtron_plate.png^[colorize:#00880030",
"digtron_control.png^[colorize:#00880030",
},
drawtype = "nodebox",
node_box = {
type = "fixed",
fixed = controller_nodebox,
},
on_rightclick = function(pos, node, clicker, itemstack, pointed_thing)
local meta = minetest.get_meta(pos)
if meta:get_string("waiting") == "true" then
-- Been too soon since last time the digtron did a cycle.
return
end
local layout = digtron.get_all_digtron_neighbours(pos, clicker)
if layout.all == nil then
-- get_all_digtron_neighbours returns nil if the digtron array touches unloaded nodes, too dangerous to do anything in that situation. Abort.
minetest.sound_play("buzzer", {gain=0.5, pos=pos})
meta:set_string("infotext", "Digtron is adjacent to unloaded nodes.")
return
end
if layout.traction * digtron.traction_factor < table.getn(layout.all) then
-- digtrons can't fly
minetest.sound_play("squeal", {gain=1.0, pos=pos})
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))
return
end
local facing = minetest.get_node(pos).param2
local controlling_coordinate = digtron.get_controlling_coordinate(pos, facing)
local nodes_dug = Pointset.create() -- empty set, we're not digging anything
-- test if any digtrons are obstructed by non-digtron nodes that haven't been marked
-- as having been dug.
local can_move = true
for _, location in pairs(layout.all) do
local newpos = digtron.find_new_pos(location, facing)
if not digtron.can_move_to(newpos, layout.protected, nodes_dug) then
can_move = false
end
end
if not can_move then
-- mark this node as waiting, will clear this flag in digtron.cycle_time seconds
meta:set_string("waiting", "true")
minetest.after(digtron.cycle_time,
function (pos)
minetest.get_meta(pos):set_string("waiting", nil)
end, pos
)
minetest.sound_play("squeal", {gain=1.0, pos=pos})
minetest.sound_play("buzzer", {gain=0.5, pos=pos})
meta:set_string("infotext", "Digtron is obstructed.")
return --Abort
end
minetest.sound_play("truck", {gain=1.0, pos=pos})
-- if the player is standing within the array or next to it, move him too.
local player_pos = clicker:getpos()
local move_player = false
if player_pos.x >= layout.extents.min_x - 1 and player_pos.x <= layout.extents.max_x + 1 and
player_pos.y >= layout.extents.min_y - 1 and player_pos.y <= layout.extents.max_y + 1 and
player_pos.z >= layout.extents.min_z - 1 and player_pos.z <= layout.extents.max_z + 1 then
move_player = true
end
--move the array
digtron.move_digtron(facing, layout.all, layout.extents, nodes_dug)
local oldpos = {x=pos.x, y=pos.y, z=pos.z}
pos = digtron.find_new_pos(pos, facing)
if move_player then
clicker:moveto(digtron.find_new_pos(player_pos, facing), true)
end
-- Start the delay before digtron can run again. Do this after moving the array or pos will be wrong.
minetest.get_meta(pos):set_string("waiting", "true")
minetest.after(digtron.cycle_time,
function (pos)
minetest.get_meta(pos):set_string("waiting", nil)
end, pos
)
end,
})