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-- Note: diggers go in group 3 and have an execute_dig method.
local digger_nodebox = {
{-0.5, -0.5, 0, 0.5, 0.5, 0.4375}, -- Block
{-0.4375, -0.3125, 0.4375, 0.4375, 0.3125, 0.5}, -- Cutter1
{-0.3125, -0.4375, 0.4375, 0.3125, 0.4375, 0.5}, -- Cutter2
{-0.5, -0.125, -0.125, 0.5, 0.125, 0}, -- BackFrame1
{-0.125, -0.5, -0.125, 0.125, 0.5, 0}, -- BackFrame2
{-0.25, -0.25, -0.5, 0.25, 0.25, 0}, -- Drive
}
-- Digs out nodes that are "in front" of the digger head.
minetest.register_node("digtron:digger", {
description = "Digger Head",
groups = {cracky = 3, stone = 1, digtron = 3},
drop = 'digtron:digger',
sounds = default.node_sound_metal_defaults(),
paramtype = "light",
paramtype2= 'facedir',
drawtype="nodebox",
node_box = {
type = "fixed",
fixed = digger_nodebox,
},
-- Aims in the +Z direction by default
tiles = {
"digtron_plate.png^[transformR90",
"digtron_plate.png^[transformR270",
"digtron_plate.png",
"digtron_plate.png^[transformR180",
{
name = "digtron_digger.png",
animation = {
type = "vertical_frames",
aspect_w = 16,
aspect_h = 16,
length = 1.0,
},
},
"digtron_motor.png",
},
on_construct = function(pos)
local meta = minetest.env:get_meta(pos)
meta:set_string("formspec",
"size[3.5,1]" ..
default.gui_bg ..
default.gui_bg_img ..
default.gui_slots ..
"field[0.5,0.8;1,0.1;period;Periodicity;${period}]" ..
"tooltip[period;Digger will dig once every n steps. These steps are globally aligned, all diggers with the same period and offset will dig on the same location.]" ..
"field[1.5,0.8;1,0.1;offset;Offset;${offset}]" ..
"tooltip[offset;Offsets the start of periodicity counting by this amount. For example, a digger with period 2 and offset 0 digs every even-numbered node and one with period 2 and offset 1 digs every odd-numbered node.]" ..
"button_exit[2.2,0.5;1,0.1;set;Save]" ..
"tooltip[set;Saves settings]"
)
meta:set_int("period", 1)
meta:set_int("offset", 0)
local inv = meta:get_inventory()
inv:set_size("main", 1)
end,
on_receive_fields = function(pos, formname, fields, sender)
local meta = minetest.get_meta(pos)
local period = tonumber(fields.period)
local offset = tonumber(fields.offset)
if period and period > 0 then
meta:set_int("period", math.floor(tonumber(fields.period)))
end
if offset then
meta:set_int("offset", math.floor(tonumber(fields.offset)))
end
end,
-- returns fuel_cost, item_produced
execute_dig = function(pos, protected_nodes, nodes_dug, controlling_coordinate)
local facing = minetest.get_node(pos).param2
local digpos = digtron.find_new_pos(pos, facing)
if protected_nodes:get(digpos.x, digpos.y, digpos.z) then
return 0, nil
end
local meta = minetest.get_meta(pos)
if (digpos[controlling_coordinate] + meta:get_int("offset")) % meta:get_int("period") ~= 0 then
return 0, nil
end
return digtron.mark_diggable(digpos, nodes_dug)
end,
})
-- A special-purpose digger to deal with stuff like sand and gravel in the ceiling. It always digs (no periodicity or offset), but it only digs falling_block nodes
minetest.register_node("digtron:soft_digger", {
description = "Soft Material Digger Head",
groups = {cracky = 3, stone = 1, digtron = 3},
drop = 'digtron:soft_digger',
sounds = default.node_sound_metal_defaults(),
paramtype = "light",
paramtype2= 'facedir',
drawtype="nodebox",
node_box = {
type = "fixed",
fixed = digger_nodebox,
},
-- Aims in the +Z direction by default
tiles = {
"digtron_plate.png^[transformR90^[colorize:#88880030",
"digtron_plate.png^[transformR270^[colorize:#88880030",
"digtron_plate.png^[colorize:#88880030",
"digtron_plate.png^[transformR180^[colorize:#88880030",
{
name = "digtron_digger.png^[colorize:#88880030",
animation = {
type = "vertical_frames",
aspect_w = 16,
aspect_h = 16,
length = 1.0,
},
},
"digtron_motor.png^[colorize:#88880030",
},
can_dig = function(pos,player)
local meta = minetest.get_meta(pos)
local inv = meta:get_inventory()
return inv:is_empty("main") and inv:is_empty("inv")
end,
execute_dig = function(pos, protected_nodes, nodes_dug, controlling_coordinate)
local facing = minetest.get_node(pos).param2
local digpos = digtron.find_new_pos(pos, facing)
if protected_nodes:get(digpos.x, digpos.y, digpos.z) then
return 0, nil
end
local target_node = minetest.get_node(digpos)
if minetest.get_item_group(target_node.name, "crumbly") ~= 0 or
minetest.get_item_group(target_node.name, "choppy") ~= 0 or
minetest.get_item_group(target_node.name, "snappy") ~= 0 or
minetest.get_item_group(target_node.name, "oddly_breakable_by_hand") ~= 0 or
minetest.get_item_group(target_node.name, "fleshy") ~= 0 then
return digtron.mark_diggable(digpos, nodes_dug)
end
return 0, nil
end,
})
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