capturetheflag/mods/mtg/default/item_entity.lua

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-- mods/default/item_entity.lua
local builtin_item = minetest.registered_entities["__builtin:item"]
local item = {
set_item = function(self, itemstring)
builtin_item.set_item(self, itemstring)
local stack = ItemStack(itemstring)
local itemdef = minetest.registered_items[stack:get_name()]
if itemdef and itemdef.groups.flammable ~= 0 then
self.flammable = itemdef.groups.flammable
end
end,
burn_up = function(self)
-- disappear in a smoke puff
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local p = self.object:get_pos()
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self.object:remove()
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minetest.sound_play("default_item_smoke", {
pos = p,
max_hear_distance = 8,
})
minetest.add_particlespawner({
amount = 3,
time = 0.1,
minpos = {x = p.x - 0.1, y = p.y + 0.1, z = p.z - 0.1 },
maxpos = {x = p.x + 0.1, y = p.y + 0.2, z = p.z + 0.1 },
minvel = {x = 0, y = 2.5, z = 0},
maxvel = {x = 0, y = 2.5, z = 0},
minacc = {x = -0.15, y = -0.02, z = -0.15},
maxacc = {x = 0.15, y = -0.01, z = 0.15},
minexptime = 4,
maxexptime = 6,
minsize = 5,
maxsize = 5,
collisiondetection = true,
texture = "default_item_smoke.png"
})
end,
on_step = function(self, dtime, ...)
builtin_item.on_step(self, dtime, ...)
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if self.flammable then
-- flammable, check for igniters
self.ignite_timer = (self.ignite_timer or 0) + dtime
if self.ignite_timer > 10 then
self.ignite_timer = 0
local pos = self.object:get_pos()
if not pos then
return
end
local node = minetest.get_node_or_nil(pos)
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if not node then
return
end
-- Immediately burn up flammable items in lava
if minetest.get_item_group(node.name, "lava") > 0 then
self:burn_up()
else
-- otherwise there'll be a chance based on its igniter value
local burn_chance = self.flammable
* minetest.get_item_group(node.name, "igniter")
if burn_chance > 0 and math.random(0, burn_chance) ~= 0 then
self:burn_up()
end
end
end
end
end,
}
-- set defined item as new __builtin:item, with the old one as fallback table
setmetatable(item, builtin_item)
minetest.register_entity(":__builtin:item", item)