forked from VoxeLibre/VoxeLibre
Fixes to `mcl_tnt`
- reorder code - fix potential crashes with not handeled nil values - use new vectors
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0fb040476b
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029769f48f
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@ -1,15 +1,25 @@
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local S = minetest.get_translator(minetest.get_current_modname())
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local tnt_griefing = minetest.settings:get_bool("mcl_tnt_griefing", true)
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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 tnt = minetest.add_entity(pos, entname)
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tnt:set_armor_groups({immortal=1})
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return tnt
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end
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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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@ -17,11 +27,13 @@ function tnt.ignite(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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-- Intended to be called every step
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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 = {x=pos.x,y=pos.y+0.5,z=pos.z},
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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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@ -31,47 +43,57 @@ function tnt.smoke_step(pos)
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})
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end
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tnt.BOOMTIMER = 4
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tnt.BLINKTIMER = 0.25
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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 = {effector = {
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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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}
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end
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local longdesc
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if tnt_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.", TNT_RANGE)
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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.", TNT_RANGE)
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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 = {"default_tnt_top.png", "default_tnt_bottom.png",
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"default_tnt_side.png", "default_tnt_side.png",
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"default_tnt_side.png", "default_tnt_side.png"},
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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").."\n"..S("Explosion radius: @1", tostring(TNT_RANGE)),
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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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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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@ -97,21 +119,27 @@ local TNT = {
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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 = {"default_tnt_top.png", "default_tnt_bottom.png",
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"default_tnt_side.png", "default_tnt_side.png",
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"default_tnt_side.png", "default_tnt_side.png"},
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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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blinkstatus = true,
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}
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function TNT:on_activate(staticdata)
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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({x=hdir_x, y=2, z=hdir_z})
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self.object:set_acceleration({x=0, y=-10, z=0})
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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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@ -121,8 +149,8 @@ end
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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 = {x = -10, y = -10, z = -10},
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maxvel = {x = 10, y = 10, z = 10},
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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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@ -152,9 +180,9 @@ end
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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 = {x = -3, y = 0, z = -3},
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maxvel = {x = 3, y = 5, z = 3},
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minacc = {x = 0, y = -10, z = 0},
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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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@ -164,7 +192,7 @@ end
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})
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end]]
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function TNT:on_step(dtime)
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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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@ -193,7 +221,7 @@ if minetest.get_modpath("mcl_mobitems") then
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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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})
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end
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