581 lines
14 KiB
Lua
581 lines
14 KiB
Lua
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-- mods/default/functions.lua
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--
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-- Sounds
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--
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function default.node_sound_defaults(table)
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table = table or {}
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table.footstep = table.footstep or
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{name = "", gain = 1.0}
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table.dug = table.dug or
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{name = "default_dug_node", gain = 0.25}
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table.place = table.place or
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{name = "default_place_node_hard", gain = 1.0}
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return table
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end
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function default.node_sound_stone_defaults(table)
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table = table or {}
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table.footstep = table.footstep or
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{name = "default_hard_footstep", gain = 0.3}
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table.dug = table.dug or
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{name = "default_hard_footstep", gain = 1.0}
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default.node_sound_defaults(table)
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return table
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end
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function default.node_sound_dirt_defaults(table)
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table = table or {}
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table.footstep = table.footstep or
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{name = "default_dirt_footstep", gain = 0.4}
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table.dug = table.dug or
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{name = "default_dirt_footstep", gain = 1.0}
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table.place = table.place or
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{name = "default_place_node", gain = 1.0}
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default.node_sound_defaults(table)
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return table
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end
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function default.node_sound_sand_defaults(table)
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table = table or {}
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table.footstep = table.footstep or
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{name = "default_sand_footstep", gain = 0.12}
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table.dug = table.dug or
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{name = "default_sand_footstep", gain = 0.24}
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table.place = table.place or
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{name = "default_place_node", gain = 1.0}
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default.node_sound_defaults(table)
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return table
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end
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function default.node_sound_gravel_defaults(table)
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table = table or {}
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table.footstep = table.footstep or
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{name = "default_gravel_footstep", gain = 0.4}
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table.dug = table.dug or
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{name = "default_gravel_footstep", gain = 1.0}
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table.place = table.place or
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{name = "default_place_node", gain = 1.0}
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default.node_sound_defaults(table)
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return table
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end
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function default.node_sound_wood_defaults(table)
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table = table or {}
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table.footstep = table.footstep or
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{name = "default_wood_footstep", gain = 0.3}
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table.dug = table.dug or
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{name = "default_wood_footstep", gain = 1.0}
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default.node_sound_defaults(table)
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return table
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end
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function default.node_sound_leaves_defaults(table)
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table = table or {}
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table.footstep = table.footstep or
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{name = "default_grass_footstep", gain = 0.45}
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table.dug = table.dug or
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{name = "default_grass_footstep", gain = 0.7}
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table.place = table.place or
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{name = "default_place_node", gain = 1.0}
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default.node_sound_defaults(table)
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return table
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end
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function default.node_sound_glass_defaults(table)
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table = table or {}
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table.footstep = table.footstep or
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{name = "default_glass_footstep", gain = 0.3}
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table.dig = table.dig or
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{name = "default_glass_footstep", gain = 0.5}
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table.dug = table.dug or
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{name = "default_break_glass", gain = 1.0}
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default.node_sound_defaults(table)
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return table
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end
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function default.node_sound_metal_defaults(table)
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table = table or {}
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table.footstep = table.footstep or
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{name = "default_metal_footstep", gain = 0.4}
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table.dig = table.dig or
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{name = "default_dig_metal", gain = 0.5}
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table.dug = table.dug or
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{name = "default_dug_metal", gain = 0.5}
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table.place = table.place or
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{name = "default_place_node_metal", gain = 0.5}
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default.node_sound_defaults(table)
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return table
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end
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function default.node_sound_water_defaults(table)
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table = table or {}
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table.footstep = table.footstep or
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{name = "default_water_footstep", gain = 0.2}
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default.node_sound_defaults(table)
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return table
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end
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--
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-- Lavacooling
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--
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default.cool_lava = function(pos, node)
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if node.name == "default:lava_source" then
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minetest.set_node(pos, {name = "default:obsidian"})
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else -- Lava flowing
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minetest.set_node(pos, {name = "default:stone"})
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end
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minetest.sound_play("default_cool_lava",
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{pos = pos, max_hear_distance = 16, gain = 0.25})
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end
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if minetest.settings:get_bool("enable_lavacooling") ~= false then
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minetest.register_abm({
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label = "Lava cooling",
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nodenames = {"default:lava_source", "default:lava_flowing"},
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neighbors = {"group:cools_lava", "group:water"},
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interval = 2,
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chance = 2,
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catch_up = false,
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action = function(...)
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default.cool_lava(...)
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end,
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})
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end
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--
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-- optimized helper to put all items in an inventory into a drops list
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--
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function default.get_inventory_drops(pos, inventory, drops)
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local inv = minetest.get_meta(pos):get_inventory()
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local n = #drops
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for i = 1, inv:get_size(inventory) do
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local stack = inv:get_stack(inventory, i)
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if stack:get_count() > 0 then
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drops[n+1] = stack:to_table()
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n = n + 1
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end
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end
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end
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--
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-- Papyrus and cactus growing
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--
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-- wrapping the functions in abm action is necessary to make overriding them possible
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function default.grow_cactus(pos, node)
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if node.param2 >= 4 then
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return
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end
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pos.y = pos.y - 1
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if minetest.get_item_group(minetest.get_node(pos).name, "sand") == 0 then
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return
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end
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pos.y = pos.y + 1
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local height = 0
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while node.name == "default:cactus" and height < 4 do
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height = height + 1
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pos.y = pos.y + 1
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node = minetest.get_node(pos)
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end
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if height == 4 or node.name ~= "air" then
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return
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end
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if minetest.get_node_light(pos) < 13 then
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return
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end
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minetest.set_node(pos, {name = "default:cactus"})
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return true
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end
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function default.grow_papyrus(pos, node)
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pos.y = pos.y - 1
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local name = minetest.get_node(pos).name
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if name ~= "default:dirt_with_grass" and name ~= "default:dirt" then
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return
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end
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if not minetest.find_node_near(pos, 3, {"group:water"}) then
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return
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end
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pos.y = pos.y + 1
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local height = 0
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while node.name == "default:papyrus" and height < 4 do
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height = height + 1
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pos.y = pos.y + 1
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node = minetest.get_node(pos)
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end
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if height == 4 or node.name ~= "air" then
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return
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end
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if minetest.get_node_light(pos) < 13 then
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return
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end
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minetest.set_node(pos, {name = "default:papyrus"})
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return true
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end
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minetest.register_abm({
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label = "Grow cactus",
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nodenames = {"default:cactus"},
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neighbors = {"group:sand"},
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interval = 12,
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chance = 83,
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action = function(...)
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default.grow_cactus(...)
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end
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})
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minetest.register_abm({
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label = "Grow papyrus",
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nodenames = {"default:papyrus"},
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neighbors = {"default:dirt", "default:dirt_with_grass"},
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interval = 14,
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chance = 71,
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action = function(...)
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default.grow_papyrus(...)
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end
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})
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--
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-- dig upwards
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--
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function default.dig_up(pos, node, digger)
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if digger == nil then return end
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local np = {x = pos.x, y = pos.y + 1, z = pos.z}
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local nn = minetest.get_node(np)
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if nn.name == node.name then
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minetest.node_dig(np, nn, digger)
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end
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end
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--
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-- Fence registration helper
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--
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function default.register_fence(name, def)
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minetest.register_craft({
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output = name .. " 4",
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recipe = {
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{ def.material, 'group:stick', def.material },
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{ def.material, 'group:stick', def.material },
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}
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})
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local fence_texture = "default_fence_overlay.png^" .. def.texture ..
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"^default_fence_overlay.png^[makealpha:255,126,126"
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-- Allow almost everything to be overridden
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local default_fields = {
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paramtype = "light",
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drawtype = "nodebox",
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node_box = {
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type = "connected",
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fixed = {{-1/8, -1/2, -1/8, 1/8, 1/2, 1/8}},
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-- connect_top =
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-- connect_bottom =
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connect_front = {{-1/16,3/16,-1/2,1/16,5/16,-1/8},
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{-1/16,-5/16,-1/2,1/16,-3/16,-1/8}},
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connect_left = {{-1/2,3/16,-1/16,-1/8,5/16,1/16},
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{-1/2,-5/16,-1/16,-1/8,-3/16,1/16}},
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connect_back = {{-1/16,3/16,1/8,1/16,5/16,1/2},
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{-1/16,-5/16,1/8,1/16,-3/16,1/2}},
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connect_right = {{1/8,3/16,-1/16,1/2,5/16,1/16},
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{1/8,-5/16,-1/16,1/2,-3/16,1/16}},
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},
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connects_to = {"group:fence", "group:wood", "group:tree"},
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inventory_image = fence_texture,
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wield_image = fence_texture,
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tiles = {def.texture},
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sunlight_propagates = true,
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is_ground_content = false,
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groups = {},
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}
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for k, v in pairs(default_fields) do
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if not def[k] then
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def[k] = v
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end
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end
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-- Always add to the fence group, even if no group provided
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def.groups.fence = 1
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def.texture = nil
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def.material = nil
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minetest.register_node(name, def)
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end
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--
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-- Leafdecay
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--
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-- Prevent decay of placed leaves
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default.after_place_leaves = function(pos, placer, itemstack, pointed_thing)
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if placer and not placer:get_player_control().sneak then
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local node = minetest.get_node(pos)
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node.param2 = 1
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minetest.set_node(pos, node)
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end
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end
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-- Leafdecay
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local function leafdecay_after_destruct(pos, oldnode, def)
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for _, v in pairs(minetest.find_nodes_in_area(vector.subtract(pos, def.radius),
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vector.add(pos, def.radius), def.leaves)) do
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local node = minetest.get_node(v)
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local timer = minetest.get_node_timer(v)
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if node.param2 == 0 and not timer:is_started() then
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timer:start(math.random(20, 120) / 10)
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end
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end
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end
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local function leafdecay_on_timer(pos, def)
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if minetest.find_node_near(pos, def.radius, def.trunks) then
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return false
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end
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local node = minetest.get_node(pos)
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local drops = minetest.get_node_drops(node.name)
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for _, item in ipairs(drops) do
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local is_leaf
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for _, v in pairs(def.leaves) do
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if v == item then
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is_leaf = true
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end
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end
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if minetest.get_item_group(item, "leafdecay_drop") ~= 0 or
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not is_leaf then
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minetest.add_item({
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x = pos.x - 0.5 + math.random(),
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y = pos.y - 0.5 + math.random(),
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z = pos.z - 0.5 + math.random(),
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}, item)
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end
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end
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minetest.remove_node(pos)
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minetest.check_for_falling(pos)
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end
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function default.register_leafdecay(def)
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assert(def.leaves)
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assert(def.trunks)
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assert(def.radius)
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for _, v in pairs(def.trunks) do
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|
|
minetest.override_item(v, {
|
||
|
|
after_destruct = function(pos, oldnode)
|
||
|
|
leafdecay_after_destruct(pos, oldnode, def)
|
||
|
|
end,
|
||
|
|
})
|
||
|
|
end
|
||
|
|
for _, v in pairs(def.leaves) do
|
||
|
|
minetest.override_item(v, {
|
||
|
|
on_timer = function(pos)
|
||
|
|
leafdecay_on_timer(pos, def)
|
||
|
|
end,
|
||
|
|
})
|
||
|
|
end
|
||
|
|
end
|
||
|
|
|
||
|
|
--
|
||
|
|
-- Convert dirt to something that fits the environment
|
||
|
|
--
|
||
|
|
|
||
|
|
minetest.register_abm({
|
||
|
|
label = "Grass spread",
|
||
|
|
nodenames = {"default:dirt"},
|
||
|
|
neighbors = {
|
||
|
|
"air",
|
||
|
|
"group:grass",
|
||
|
|
"group:dry_grass",
|
||
|
|
"default:snow",
|
||
|
|
},
|
||
|
|
interval = 6,
|
||
|
|
chance = 50,
|
||
|
|
catch_up = false,
|
||
|
|
action = function(pos, node)
|
||
|
|
-- Check for darkness: night, shadow or under a light-blocking node
|
||
|
|
-- Returns if ignore above
|
||
|
|
local above = {x = pos.x, y = pos.y + 1, z = pos.z}
|
||
|
|
if (minetest.get_node_light(above) or 0) < 13 then
|
||
|
|
return
|
||
|
|
end
|
||
|
|
|
||
|
|
-- Look for spreading dirt-type neighbours
|
||
|
|
local p2 = minetest.find_node_near(pos, 1, "group:spreading_dirt_type")
|
||
|
|
if p2 then
|
||
|
|
local n3 = minetest.get_node(p2)
|
||
|
|
minetest.set_node(pos, {name = n3.name})
|
||
|
|
return
|
||
|
|
end
|
||
|
|
|
||
|
|
-- Else, any seeding nodes on top?
|
||
|
|
local name = minetest.get_node(above).name
|
||
|
|
-- Snow check is cheapest, so comes first
|
||
|
|
if name == "default:snow" then
|
||
|
|
minetest.set_node(pos, {name = "default:dirt_with_snow"})
|
||
|
|
-- Most likely case first
|
||
|
|
elseif minetest.get_item_group(name, "grass") ~= 0 then
|
||
|
|
minetest.set_node(pos, {name = "default:dirt_with_grass"})
|
||
|
|
elseif minetest.get_item_group(name, "dry_grass") ~= 0 then
|
||
|
|
minetest.set_node(pos, {name = "default:dirt_with_dry_grass"})
|
||
|
|
end
|
||
|
|
end
|
||
|
|
})
|
||
|
|
|
||
|
|
|
||
|
|
--
|
||
|
|
-- Grass and dry grass removed in darkness
|
||
|
|
--
|
||
|
|
|
||
|
|
minetest.register_abm({
|
||
|
|
label = "Grass covered",
|
||
|
|
nodenames = {"group:spreading_dirt_type"},
|
||
|
|
interval = 8,
|
||
|
|
chance = 50,
|
||
|
|
catch_up = false,
|
||
|
|
action = function(pos, node)
|
||
|
|
local above = {x = pos.x, y = pos.y + 1, z = pos.z}
|
||
|
|
local name = minetest.get_node(above).name
|
||
|
|
local nodedef = minetest.registered_nodes[name]
|
||
|
|
if name ~= "ignore" and nodedef and not ((nodedef.sunlight_propagates or
|
||
|
|
nodedef.paramtype == "light") and
|
||
|
|
nodedef.liquidtype == "none") then
|
||
|
|
minetest.set_node(pos, {name = "default:dirt"})
|
||
|
|
end
|
||
|
|
end
|
||
|
|
})
|
||
|
|
|
||
|
|
|
||
|
|
--
|
||
|
|
-- Moss growth on cobble near water
|
||
|
|
--
|
||
|
|
|
||
|
|
minetest.register_abm({
|
||
|
|
label = "Moss growth",
|
||
|
|
nodenames = {"default:cobble", "stairs:slab_cobble", "stairs:stair_cobble", "walls:cobble"},
|
||
|
|
neighbors = {"group:water"},
|
||
|
|
interval = 16,
|
||
|
|
chance = 200,
|
||
|
|
catch_up = false,
|
||
|
|
action = function(pos, node)
|
||
|
|
if node.name == "default:cobble" then
|
||
|
|
minetest.set_node(pos, {name = "default:mossycobble"})
|
||
|
|
elseif node.name == "stairs:slab_cobble" then
|
||
|
|
minetest.set_node(pos, {name = "stairs:slab_mossycobble", param2 = node.param2})
|
||
|
|
elseif node.name == "stairs:stair_cobble" then
|
||
|
|
minetest.set_node(pos, {name = "stairs:stair_mossycobble", param2 = node.param2})
|
||
|
|
elseif node.name == "walls:cobble" then
|
||
|
|
minetest.set_node(pos, {name = "walls:mossycobble", param2 = node.param2})
|
||
|
|
end
|
||
|
|
end
|
||
|
|
})
|
||
|
|
|
||
|
|
|
||
|
|
--
|
||
|
|
-- Checks if specified volume intersects a protected volume
|
||
|
|
--
|
||
|
|
|
||
|
|
function default.intersects_protection(minp, maxp, player_name, interval)
|
||
|
|
-- 'interval' is the largest allowed interval for the 3D lattice of checks
|
||
|
|
|
||
|
|
-- Compute the optimal float step 'd' for each axis so that all corners and
|
||
|
|
-- borders are checked. 'd' will be smaller or equal to 'interval'.
|
||
|
|
-- Subtracting 1e-4 ensures that the max co-ordinate will be reached by the
|
||
|
|
-- for loop (which might otherwise not be the case due to rounding errors).
|
||
|
|
local d = {}
|
||
|
|
for _, c in pairs({"x", "y", "z"}) do
|
||
|
|
if maxp[c] > minp[c] then
|
||
|
|
d[c] = (maxp[c] - minp[c]) / math.ceil((maxp[c] - minp[c]) / interval) - 1e-4
|
||
|
|
elseif maxp[c] == minp[c] then
|
||
|
|
d[c] = 1 -- Any value larger than 0 to avoid division by zero
|
||
|
|
else -- maxp[c] < minp[c], print error and treat as protection intersected
|
||
|
|
minetest.log("error", "maxp < minp in 'default.intersects_protection()'")
|
||
|
|
return true
|
||
|
|
end
|
||
|
|
end
|
||
|
|
|
||
|
|
for zf = minp.z, maxp.z, d.z do
|
||
|
|
local z = math.floor(zf + 0.5)
|
||
|
|
for yf = minp.y, maxp.y, d.y do
|
||
|
|
local y = math.floor(yf + 0.5)
|
||
|
|
for xf = minp.x, maxp.x, d.x do
|
||
|
|
local x = math.floor(xf + 0.5)
|
||
|
|
if minetest.is_protected({x = x, y = y, z = z}, player_name) then
|
||
|
|
return true
|
||
|
|
end
|
||
|
|
end
|
||
|
|
end
|
||
|
|
end
|
||
|
|
|
||
|
|
return false
|
||
|
|
end
|
||
|
|
|
||
|
|
|
||
|
|
--
|
||
|
|
-- Coral death near air
|
||
|
|
--
|
||
|
|
|
||
|
|
minetest.register_abm({
|
||
|
|
nodenames = {"default:coral_brown", "default:coral_orange"},
|
||
|
|
neighbors = {"air"},
|
||
|
|
interval = 17,
|
||
|
|
chance = 5,
|
||
|
|
catch_up = false,
|
||
|
|
action = function(pos, node)
|
||
|
|
minetest.set_node(pos, {name = "default:coral_skeleton"})
|
||
|
|
end,
|
||
|
|
})
|
||
|
|
|
||
|
|
|
||
|
|
--
|
||
|
|
-- NOTICE: This method is not an official part of the API yet!
|
||
|
|
-- This method may change in future.
|
||
|
|
--
|
||
|
|
|
||
|
|
function default.can_interact_with_node(player, pos)
|
||
|
|
if player then
|
||
|
|
if minetest.check_player_privs(player, "protection_bypass") then
|
||
|
|
return true
|
||
|
|
end
|
||
|
|
else
|
||
|
|
return false
|
||
|
|
end
|
||
|
|
|
||
|
|
local meta = minetest.get_meta(pos)
|
||
|
|
local owner = meta:get_string("owner")
|
||
|
|
|
||
|
|
if not owner or owner == "" or owner == player:get_player_name() then
|
||
|
|
return true
|
||
|
|
end
|
||
|
|
|
||
|
|
-- is player wielding the right key?
|
||
|
|
local item = player:get_wielded_item()
|
||
|
|
if item:get_name() == "default:key" then
|
||
|
|
local key_meta = item:get_meta()
|
||
|
|
|
||
|
|
if key_meta:get_string("secret") == "" then
|
||
|
|
local key_oldmeta = item:get_metadata()
|
||
|
|
if key_oldmeta == "" or not minetest.parse_json(key_oldmeta) then
|
||
|
|
return false
|
||
|
|
end
|
||
|
|
|
||
|
|
key_meta:set_string("secret", minetest.parse_json(key_oldmeta).secret)
|
||
|
|
item:set_metadata("")
|
||
|
|
end
|
||
|
|
|
||
|
|
return meta:get_string("key_lock_secret") == key_meta:get_string("secret")
|
||
|
|
end
|
||
|
|
|
||
|
|
return false
|
||
|
|
end
|