mirror of
https://git.minetest.land/VoxeLibre/VoxeLibre.git
synced 2024-08-22 01:47:24 +02:00
This commit renames `tnt_griefing` to `explosions_griefing` to better reflect what this setting now does.
231 lines
6.5 KiB
Lua
231 lines
6.5 KiB
Lua
local S = minetest.get_translator(minetest.get_current_modname())
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local explosions_griefing = minetest.settings:get_bool("mcl_explosions_griefing", true)
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tnt = {}
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tnt.BOOMTIMER = 4
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tnt.BLINKTIMER = 0.25
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---@param pos Vector
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---@param entname string
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---@return ObjectRef?
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local function spawn_tnt(pos, entname)
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minetest.sound_play("tnt_ignite", { pos = pos, gain = 1.0, max_hear_distance = 15 }, true)
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local ent = minetest.add_entity(pos, entname)
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if ent then
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ent:set_armor_groups({ immortal = 1 })
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end
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return ent
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end
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---@param pos Vector
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---@return ObjectRef?
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function tnt.ignite(pos)
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minetest.remove_node(pos)
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local e = spawn_tnt(pos, "mcl_tnt:tnt")
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minetest.check_for_falling(pos)
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return e
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end
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---Add smoke particle of entity at pos.
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---
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---Intended to be called every step.
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---@param pos Vector
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function tnt.smoke_step(pos)
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minetest.add_particle({
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pos = vector.offset(pos, 0, 0.5, 0),
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velocity = vector.new(math.random() * 0.2 - 0.1, 1.0 + math.random(), math.random() * 0.2 - 0.1),
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acceleration = vector.new(0, -0.1, 0),
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expirationtime = 0.15 + math.random() * 0.25,
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size = 1.0 + math.random(),
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collisiondetection = false,
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texture = "mcl_particles_smoke.png"
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})
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end
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local TNT_RANGE = 3
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local sounds
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if minetest.get_modpath("mcl_sounds") then
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sounds = mcl_sounds.node_sound_wood_defaults()
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end
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local tnt_mesecons
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if minetest.get_modpath("mesecons") then
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tnt_mesecons = {
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effector = {
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action_on = tnt.ignite,
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rules = mesecon.rules.alldirs,
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},
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}
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end
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local longdesc
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if explosions_griefing then
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longdesc = S("An explosive device. When it explodes, it will hurt living beings and destroy blocks around it. TNT has an explosion radius of @1. With a small chance, blocks may drop as an item (as if being mined) rather than being destroyed. TNT can be ignited by tools, explosions, fire, lava and redstone signals."
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, TNT_RANGE)
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else
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longdesc = S("An explosive device. When it explodes, it will hurt living beings. TNT has an explosion radius of @1. TNT can be ignited by tools, explosions, fire, lava and redstone signals."
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, TNT_RANGE)
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end
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minetest.register_node("mcl_tnt:tnt", {
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tiles = {
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"default_tnt_top.png",
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"default_tnt_bottom.png",
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"default_tnt_side.png",
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"default_tnt_side.png",
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"default_tnt_side.png",
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"default_tnt_side.png",
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},
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is_ground_content = false,
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stack_max = 64,
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description = S("TNT"),
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paramtype = "light",
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sunlight_propagates = true,
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_tt_help = S("Ignited by tools, explosions, fire, lava, redstone power") ..
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"\n" .. S("Explosion radius: @1", tostring(TNT_RANGE)),
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_doc_items_longdesc = longdesc,
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_doc_items_usagehelp = S("Place the TNT and ignite it with one of the methods above. Quickly get in safe distance. The TNT will start to be affected by gravity and explodes in 4 seconds."),
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groups = { dig_immediate = 3, tnt = 1, enderman_takable = 1, flammable = -1 },
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mesecons = tnt_mesecons,
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on_blast = function(pos, _)
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local e = tnt.ignite(pos)
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if e then
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e:get_luaentity().timer = tnt.BOOMTIMER - (0.5 + math.random())
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end
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end,
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_on_ignite = function(player, pointed_thing)
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tnt.ignite(pointed_thing.under)
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return true
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end,
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_on_burn = function(pos)
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tnt.ignite(pos)
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return true
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end,
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_on_dispense = function(stack, pos, droppos, dropnode, dropdir)
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-- Place and ignite TNT
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if minetest.registered_nodes[dropnode.name].buildable_to then
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minetest.set_node(droppos, { name = stack:get_name() })
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tnt.ignite(droppos)
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end
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end,
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sounds = sounds,
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})
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local TNT = {
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-- Static definition
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physical = true, -- Collides with things
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--weight = -100,
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collisionbox = { -0.5, -0.5, -0.5, 0.5, 0.5, 0.5 },
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visual = "cube",
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textures = {
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"default_tnt_top.png",
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"default_tnt_bottom.png",
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"default_tnt_side.png",
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"default_tnt_side.png",
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"default_tnt_side.png",
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"default_tnt_side.png",
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},
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-- Initial value for our timer
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timer = 0,
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blinktimer = 0,
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tnt_knockback = true,
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blinkstatus = true,
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}
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function TNT:on_activate(_, _)
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local phi = math.random(0, 65535) / 65535 * 2 * math.pi
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local hdir_x = math.cos(phi) * 0.02
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local hdir_z = math.sin(phi) * 0.02
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self.object:set_velocity(vector.new(hdir_x, 2, hdir_z))
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self.object:set_acceleration(vector.new(0, -10, 0))
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self.object:set_texture_mod("^mcl_tnt_blink.png")
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end
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--[[local function add_effects(pos, radius, drops)
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minetest.add_particlespawner({
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amount = 64,
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time = 0.5,
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minpos = vector.subtract(pos, radius / 2),
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maxpos = vector.add(pos, radius / 2),
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minvel = vector.new(-10, -10, -10),
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maxvel = vector.new(10, 10, 10),
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minacc = vector.new(),
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maxacc = vector.new(),
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minexptime = 1,
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maxexptime = 2.5,
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minsize = radius * 1,
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maxsize = radius * 3,
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texture = "mcl_particles_smoke.png",
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})
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-- we just dropped some items. Look at the items entities and pick
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-- one of them to use as texture
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local texture = "mcl_particles_smoke.png" --fallback texture
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local most = 0
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for name, stack in pairs(drops) do
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local count = stack:get_count()
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if count > most then
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most = count
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local def = minetest.registered_nodes[name]
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if def and def.tiles and def.tiles[1] then
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texture = def.tiles[1]
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end
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end
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end
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minetest.add_particlespawner({
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amount = 32,
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time = 0.1,
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minpos = vector.subtract(pos, radius / 2),
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maxpos = vector.add(pos, radius / 2),
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minvel = vector.new(-3, 0, -3),
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maxvel = vector.new(3, 5, 3),
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minacc = vector.new(0, -10, 0),
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minexptime = 0.8,
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maxexptime = 2.0,
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minsize = radius * 0.66,
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maxsize = radius * 2,
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texture = texture,
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collisiondetection = true,
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})
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end]]
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function TNT:on_step(dtime, _)
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local pos = self.object:get_pos()
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tnt.smoke_step(pos)
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self.timer = self.timer + dtime
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self.blinktimer = self.blinktimer + dtime
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if self.blinktimer > tnt.BLINKTIMER then
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self.blinktimer = self.blinktimer - tnt.BLINKTIMER
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if self.blinkstatus then
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self.object:set_texture_mod("")
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else
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self.object:set_texture_mod("^mcl_tnt_blink.png")
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end
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self.blinkstatus = not self.blinkstatus
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end
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if self.timer > tnt.BOOMTIMER then
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mcl_explosions.explode(self.object:get_pos(), 4, {}, self.object)
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self.object:remove()
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end
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end
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minetest.register_entity("mcl_tnt:tnt", TNT)
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if minetest.get_modpath("mcl_mobitems") then
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minetest.register_craft({
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output = "mcl_tnt:tnt",
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recipe = {
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{ "mcl_mobitems:gunpowder", "group:sand", "mcl_mobitems:gunpowder" },
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{ "group:sand", "mcl_mobitems:gunpowder", "group:sand" },
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{ "mcl_mobitems:gunpowder", "group:sand", "mcl_mobitems:gunpowder" }
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},
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})
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end
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if minetest.get_modpath("doc_identifier") then
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doc.sub.identifier.register_object("mcl_tnt:tnt", "nodes", "mcl_tnt:tnt")
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end
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