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MineClone2/mods/ITEMS/mcl_tnt/init.lua

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local S = minetest.get_translator("mcl_tnt")
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local tnt_griefing = minetest.settings:get_bool("mcl_tnt_griefing", true)
local mod_death_messages = minetest.get_modpath("mcl_death_messages")
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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)
tnt:set_armor_groups({immortal=1})
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return tnt
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end
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tnt = {}
tnt.ignite = function(pos)
minetest.remove_node(pos)
local e = spawn_tnt(pos, "mcl_tnt:tnt")
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minetest.check_for_falling(pos)
return e
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end
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-- Add smoke particle of entity at pos.
-- Intended to be called every step
tnt.smoke_step = function(pos)
minetest.add_particle({
pos = {x=pos.x,y=pos.y+0.5,z=pos.z},
velocity = vector.new(math.random() * 0.2 - 0.1, 1.0 + math.random(), math.random() * 0.2 - 0.1),
acceleration = vector.new(0, -0.1, 0),
expirationtime = 0.15 + math.random() * 0.25,
size = 1.0 + math.random(),
collisiondetection = false,
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texture = "mcl_particles_smoke.png"
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})
end
tnt.BOOMTIMER = 4
tnt.BLINKTIMER = 0.25
local TNT_RANGE = 3
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local sounds
if minetest.get_modpath("mcl_sounds") then
sounds = mcl_sounds.node_sound_wood_defaults()
end
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local tnt_mesecons
if minetest.get_modpath("mesecons") then
tnt_mesecons = {effector = {
action_on = tnt.ignite,
rules = mesecon.rules.alldirs,
}}
end
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local longdesc
if tnt_griefing then
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)
else
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)
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",
"default_tnt_side.png", "default_tnt_side.png"},
is_ground_content = false,
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stack_max = 64,
description = S("TNT"),
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paramtype = "light",
sunlight_propagates = true,
_tt_help = S("Ignited by tools, explosions, fire, lava, redstone power").."\n"..S("Explosion radius: @1", tostring(TNT_RANGE)),
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_doc_items_longdesc = longdesc,
_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,
on_blast = function(pos)
local e = tnt.ignite(pos)
e:get_luaentity().timer = tnt.BOOMTIMER - (0.5 + math.random())
end,
_on_ignite = function(player, pointed_thing)
tnt.ignite(pointed_thing.under)
return true
end,
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_on_burn = function(pos)
tnt.ignite(pos)
return true
end,
_on_dispense = function(stack, pos, droppos, dropnode, dropdir)
-- Place and ignite TNT
if minetest.registered_nodes[dropnode.name].buildable_to then
minetest.set_node(droppos, {name = stack:get_name()})
tnt.ignite(droppos)
end
end,
sounds = sounds,
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})
local TNT = {
-- Static definition
physical = true, -- Collides with things
--weight = -100,
collisionbox = {-0.5,-0.5,-0.5, 0.5,0.5,0.5},
visual = "cube",
textures = {"default_tnt_top.png", "default_tnt_bottom.png",
"default_tnt_side.png", "default_tnt_side.png",
"default_tnt_side.png", "default_tnt_side.png"},
-- Initial value for our timer
timer = 0,
blinktimer = 0,
tnt_knockback = true,
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blinkstatus = true,}
function TNT:on_activate(staticdata)
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local phi = math.random(0, 65535) / 65535 * 2*math.pi
local hdir_x = math.cos(phi) * 0.02
local hdir_z = math.sin(phi) * 0.02
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self.object:set_velocity({x=hdir_x, y=2, z=hdir_z})
self.object:set_acceleration({x=0, y=-10, z=0})
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)
minetest.add_particlespawner({
amount = 64,
time = 0.5,
minpos = vector.subtract(pos, radius / 2),
maxpos = vector.add(pos, radius / 2),
minvel = {x = -10, y = -10, z = -10},
maxvel = {x = 10, y = 10, z = 10},
minacc = vector.new(),
maxacc = vector.new(),
minexptime = 1,
maxexptime = 2.5,
minsize = radius * 1,
maxsize = radius * 3,
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texture = "mcl_particles_smoke.png",
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})
-- we just dropped some items. Look at the items entities and pick
-- 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
for name, stack in pairs(drops) do
local count = stack:get_count()
if count > most then
most = count
local def = minetest.registered_nodes[name]
if def and def.tiles and def.tiles[1] then
texture = def.tiles[1]
end
end
end
minetest.add_particlespawner({
amount = 32,
time = 0.1,
minpos = vector.subtract(pos, radius / 2),
maxpos = vector.add(pos, radius / 2),
minvel = {x = -3, y = 0, z = -3},
maxvel = {x = 3, y = 5, z = 3},
minacc = {x = 0, y = -10, z = 0},
minexptime = 0.8,
maxexptime = 2.0,
minsize = radius * 0.66,
maxsize = radius * 2,
texture = texture,
collisiondetection = true,
})
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
self.blinktimer = self.blinktimer + dtime
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if self.blinktimer > tnt.BLINKTIMER then
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
self.blinkstatus = not self.blinkstatus
end
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if self.timer > tnt.BOOMTIMER then
mcl_explosions.explode(self.object:get_pos(), 4, {}, self.object)
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self.object:remove()
end
end
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minetest.register_entity("mcl_tnt:tnt", TNT)
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if minetest.get_modpath("mcl_mobitems") then
minetest.register_craft({
output = "mcl_tnt:tnt",
recipe = {
{'mcl_mobitems:gunpowder','group:sand','mcl_mobitems:gunpowder'},
{'group:sand','mcl_mobitems:gunpowder','group:sand'},
{'mcl_mobitems:gunpowder','group:sand','mcl_mobitems:gunpowder'}
}
})
end
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if minetest.get_modpath("doc_identifier") then
doc.sub.identifier.register_object("mcl_tnt:tnt", "nodes", "mcl_tnt:tnt")
end