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