171 lines
5.0 KiB
Lua
171 lines
5.0 KiB
Lua
fort_spikes = {
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wood_durability_index = 0.4,
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iron_durability_index = 0.9
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}
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-- add damage to any object.
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fort_spikes.do_damage = function(obj, durability_index)
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if obj == nil then return end
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if obj:is_player() or (obj:get_luaentity() ~= nil and obj:get_luaentity().name ~= "__builtin:item") then
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obj:punch(obj, 1.0, {full_punch_interval = 1.0, damage_groups = {fleshy=5}}, nil)
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if durability_index ~= nil and fort_spikes.is_broken(durability_index) then
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return 1
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end
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end
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return 0
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end
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-- check nodes below/above to forbid construct spikes in two vertical rows.
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fort_spikes.is_allowed_position = function(pos)
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local node = minetest.get_node({x = pos.x, y = pos.y - 1, z = pos.z})
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if minetest.get_node_group(node.name, "spikes") > 0 then
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return false
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end
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node = minetest.get_node({x = pos.x, y = pos.y + 1, z = pos.z})
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if minetest.get_node_group(node.name, "spikes") > 0 then
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return false
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end
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return true
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end
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-- ramdomly decide if spike is broken.
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fort_spikes.is_broken = function(durability_index)
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if (durability_index < math.random()) then
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return true
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end
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return false
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end
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minetest.register_node("fort_spikes:wood_spikes", {
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description = "Wood spikes",
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drawtype = "plantlike",
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visual_scale = 1,
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tiles = {"fort_spikes_wood_spikes.png"},
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inventory_image = ("fort_spikes_wood_spikes.png"),
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paramtype = "light",
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walkable = false,
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drop = "default:stick 3",
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sunlight_propagates = true,
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groups = {spikes=1, flammable=2, choppy = 2, oddly_breakable_by_hand = 1},
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on_punch = function(pos, node, puncher, pointed_thing)
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fort_spikes.do_damage(puncher, nil)
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end,
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on_construct = function(pos)
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if fort_spikes.is_allowed_position(pos) == false then
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minetest.dig_node(pos)
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end
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end,
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})
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minetest.register_node("fort_spikes:broken_wood_spikes", {
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description = "Broken wood spikes",
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drawtype = "plantlike",
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visual_scale = 1,
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tiles = {"fort_spikes_broken_wood_spikes.png"},
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inventory_image = ("fort_spikes_broken_wood_spikes.png"),
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paramtype = "light",
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walkable = false,
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sunlight_propagates = true,
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drop = "default:stick 3",
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groups = {spikes=1, flammable=2, choppy = 2, oddly_breakable_by_hand = 1},
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})
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minetest.register_craft({
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output = 'fort_spikes:wood_spikes 3',
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recipe = {
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{'default:stick', '', 'default:stick'},
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{'', 'default:stick', ''},
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{'default:stick', '', 'default:stick'},
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},
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on_place = function(itemstack, placer, pointed_thing, param2)
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if (fort_spikes.is_spikes_below(pointed_thing)) then
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return
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end
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end,
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})
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minetest.register_node("fort_spikes:iron_spikes", {
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description = "Iron spikes",
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drawtype = "plantlike",
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visual_scale = 1,
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tiles = {"fort_spikes_iron_spikes.png"},
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inventory_image = ("fort_spikes_iron_spikes.png"),
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paramtype = "light",
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walkable = false,
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sunlight_propagates = true,
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drop = "default:steel_ingot 2",
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groups = {cracky=2, spikes=1},
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on_punch = function(pos, node, puncher, pointed_thing)
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fort_spikes.do_damage(puncher, nil)
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end,
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on_construct = function(pos)
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if fort_spikes.is_allowed_position(pos) == false then
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minetest.dig_node(pos)
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end
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end,
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})
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minetest.register_node("fort_spikes:broken_iron_spikes", {
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description = "Broken spikes",
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drawtype = "plantlike",
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visual_scale = 1,
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tiles = {"fort_spikes_broken_iron_spikes.png"},
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inventory_image = ("fort_spikes_broken_iron_spikes.png"),
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paramtype = "light",
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walkable = false,
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sunlight_propagates = true,
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drop = "default:steel_ingot 2",
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groups = {cracky=2, spikes=1},
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})
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minetest.register_craft({
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output = 'fort_spikes:iron_spikes 3',
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recipe = {
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{'default:steel_ingot', '', 'default:steel_ingot'},
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{'', 'default:steel_ingot', ''},
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{'default:steel_ingot', '', 'default:steel_ingot'},
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},
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on_place = function(itemstack, placer, pointed_thing, param2)
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if (fort_spikes.is_spikes_below(pointed_thing)) then
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return
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end
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end,
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})
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minetest.register_abm(
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{nodenames = {"fort_spikes:wood_spikes"},
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interval = 1.0,
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chance = 1,
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action = function(pos, node, active_object_count, active_object_count_wider)
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local times_broken = 0
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local objs = minetest.get_objects_inside_radius(pos, 1)
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for k, obj in pairs(objs) do
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times_broken = times_broken + fort_spikes.do_damage(obj, fort_spikes.wood_durability_index)
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end
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if times_broken > 0 then
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minetest.remove_node(pos)
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minetest.place_node(pos, {name="fort_spikes:broken_wood_spikes"})
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end
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end,
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}
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)
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minetest.register_abm(
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{nodenames = {"fort_spikes:iron_spikes"},
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interval = 1.0,
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chance = 1,
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action = function(pos, node, active_object_count, active_object_count_wider)
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local times_broken = 0
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local objs = minetest.get_objects_inside_radius(pos, 1)
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for k, obj in pairs(objs) do
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times_broken = times_broken + fort_spikes.do_damage(obj, fort_spikes.iron_durability_index)
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end
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if times_broken > 0 then
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minetest.remove_node(pos)
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minetest.place_node(pos, {name="fort_spikes:broken_iron_spikes"})
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end
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end,
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}
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)
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