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local mining_lasers_list = {
-- {<num>, <range of the laser shots>, <max_charge>, <charge_per_shot>},
{"1", 7, 50000, 1000},
{"2", 14, 200000, 2000},
{"3", 21, 650000, 3000},
}
local allow_entire_discharging = true
local S = technic.getter
minetest.register_craft({
output = "technic:laser_mk1",
recipe = {
{"default:diamond", "basic_materials:brass_ingot", "default:obsidian_glass"},
{"", "basic_materials:brass_ingot", "technic:red_energy_crystal"},
{"", "", "default:copper_ingot"},
}
})
minetest.register_craft({
output = "technic:laser_mk2",
recipe = {
{"default:diamond", "technic:carbon_steel_ingot", "technic:laser_mk1"},
{"", "technic:carbon_steel_ingot", "technic:green_energy_crystal"},
{"", "", "default:copper_ingot"},
}
})
minetest.register_craft({
output = "technic:laser_mk3",
recipe = {
{"default:diamond", "technic:carbon_steel_ingot", "technic:laser_mk2"},
{"", "technic:carbon_steel_ingot", "technic:blue_energy_crystal"},
{"", "", "default:copper_ingot"},
}
})
local function laser_node(pos, node, player)
local def = minetest.registered_nodes[node.name]
if def.liquidtype ~= "none" and def.buildable_to then
minetest.remove_node(pos)
minetest.add_particle({
pos = pos,
velocity = {x = 0, y = 1.5 + math.random(), z = 0},
acceleration = {x = 0, y = -1, z = 0},
size = 6 + math.random() * 2,
texture = "smoke_puff.png^[transform" .. math.random(0, 7),
})
return
end
minetest.node_dig(pos, node, player)
end
local keep_node = {air = true}
local function can_keep_node(name)
if keep_node[name] ~= nil then
return keep_node[name]
end
keep_node[name] = minetest.get_item_group(name, "hot") ~= 0
return keep_node[name]
end
local function laser_shoot(player, range, particle_texture, sound)
local player_pos = player:getpos()
local player_name = player:get_player_name()
local dir = player:get_look_dir()
local start_pos = vector.new(player_pos)
-- Adjust to head height
start_pos.y = start_pos.y + (player:get_properties().eye_height or 1.625)
minetest.add_particle({
pos = start_pos,
velocity = dir,
acceleration = vector.multiply(dir, 50),
expirationtime = (math.sqrt(1 + 100 * (range + 0.4)) - 1) / 50,
size = 1,
texture = particle_texture .. "^[transform" .. math.random(0, 7),
})
minetest.sound_play(sound, {pos = player_pos, max_hear_distance = range})
for pos in technic.trace_node_ray_fat(start_pos, dir, range) do
if minetest.is_protected(pos, player_name) then
minetest.record_protection_violation(pos, player_name)
break
end
local node = minetest.get_node(pos)
if node.name == "ignore"
or not minetest.registered_nodes[node.name] then
break
end
if not can_keep_node(node.name) then
laser_node(pos, node, player)
end
end
end
for _, m in pairs(mining_lasers_list) do
technic.register_power_tool("technic:laser_mk"..m[1], m[3])
minetest.register_tool("technic:laser_mk"..m[1], {
description = S("Mining Laser Mk%d"):format(m[1]),
inventory_image = "technic_mining_laser_mk"..m[1]..".png",
range = 0,
stack_max = 1,
wear_represents = "technic_RE_charge",
on_refill = technic.refill_RE_charge,
on_use = function(itemstack, user)
local meta = minetest.deserialize(itemstack:get_metadata())
if not meta or not meta.charge or meta.charge == 0 then
return
end
local range = m[2]
if meta.charge < m[4] then
if not allow_entire_discharging then
return
end
-- If charge is too low, give the laser a shorter range
range = range * meta.charge / m[4]
end
laser_shoot(user, range, "technic_laser_beam_mk" .. m[1] .. ".png",
"technic_laser_mk" .. m[1])
if not technic.creative_mode then
meta.charge = math.max(meta.charge - m[4], 0)
technic.set_RE_wear(itemstack, meta.charge, m[3])
itemstack:set_metadata(minetest.serialize(meta))
end
return itemstack
end,
})
end
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