494 lines
13 KiB
Lua
494 lines
13 KiB
Lua
-- 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=0.5}
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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=1.0}
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table.dug = table.dug or
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{name="default_dirt_footstep", gain=1.5}
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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=0.5}
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table.dug = table.dug or
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{name="default_sand_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=0.5}
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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=0.35}
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table.dug = table.dug or
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{name="default_grass_footstep", gain=0.85}
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table.dig = table.dig or
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{name="default_dig_crumbly", gain=0.4}
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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=0.5}
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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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--
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-- Legacy
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--
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function default.spawn_falling_node(p, nodename)
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spawn_falling_node(p, nodename)
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end
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-- Horrible crap to support old code
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-- Don't use this and never do what this does, it's completely wrong!
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-- (More specifically, the client and the C++ code doesn't get the group)
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function default.register_falling_node(nodename, texture)
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minetest.log("error", debug.traceback())
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minetest.log('error', "WARNING: default.register_falling_node is deprecated")
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if minetest.registered_nodes[nodename] then
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minetest.registered_nodes[nodename].groups.falling_node = 1
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end
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end
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minetest.register_abm({
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label = "grow sapling",
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nodenames = {"default:sapling"},
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interval = 10,
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chance = 50,
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action = function(pos, node)
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--if abm_limiter() then return end
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local nu = minetest.get_node({x=pos.x, y=pos.y-1, z=pos.z}).name
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local is_soil = minetest.get_item_group(nu, "soil")
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if is_soil == 0 then
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return
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end
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minetest.log("action", "A sapling grows into a tree at "..minetest.pos_to_string(pos))
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local vm = minetest.get_voxel_manip()
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local minp, maxp = vm:read_from_map({x=pos.x-16, y=pos.y, z=pos.z-16}, {x=pos.x+16, y=pos.y+16, z=pos.z+16})
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local a = VoxelArea:new{MinEdge=minp, MaxEdge=maxp}
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local data = vm:get_data()
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default.grow_tree(data, a, pos, math.random(1, 4) == 1, math.random(1,100000))
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vm:set_data(data)
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vm:write_to_map(data)
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vm:update_map()
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end
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})
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minetest.register_abm({
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label = "grow jungle sapling",
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nodenames = {"default:junglesapling"},
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interval = 10,
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chance = 50,
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action = function(pos, node)
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local nu = minetest.get_node({x=pos.x, y=pos.y-1, z=pos.z}).name
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local is_soil = minetest.get_item_group(nu, "soil")
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if is_soil == 0 then
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return
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end
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minetest.log("action", "A jungle sapling grows into a tree at "..minetest.pos_to_string(pos))
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local vm = minetest.get_voxel_manip()
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local minp, maxp = vm:read_from_map({x=pos.x-16, y=pos.y-1, z=pos.z-16}, {x=pos.x+16, y=pos.y+16, z=pos.z+16})
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local a = VoxelArea:new{MinEdge=minp, MaxEdge=maxp}
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local data = vm:get_data()
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default.grow_jungletree(data, a, pos, math.random(1,100000))
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vm:set_data(data)
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vm:write_to_map(data)
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vm:update_map()
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end
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})
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--
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-- Lavacooling
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--
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default.cool_lava_source = function(pos)
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minetest.set_node(pos, {name="default:obsidian"})
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minetest.sound_play("default_cool_lava", {pos = pos, gain = 0.25})
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end
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default.cool_lava_flowing = function(pos)
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minetest.set_node(pos, {name="default:stone"})
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minetest.sound_play("default_cool_lava", {pos = pos, gain = 0.25})
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end
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minetest.register_abm({
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label = "cool lava flow",
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nodenames = {"default:lava_flowing"},
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neighbors = {"group:water"},
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interval = 1,
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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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--if abm_limiter() then return end
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default.cool_lava_flowing(pos, node, active_object_count, active_object_count_wider)
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end,
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})
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minetest.register_abm({
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label = "cool lava source",
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nodenames = {"default:lava_source"},
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neighbors = {"group:water"},
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interval = 1,
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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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--if abm_limiter() then return end
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default.cool_lava_source(pos, node, active_object_count, active_object_count_wider)
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end,
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})
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-- freeze things
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minetest.register_abm({
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label = "freeze things",
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nodenames = {"group:freezes"},
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neighbors = {"group:cold"},
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interval = 10,
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chance = 4,
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action = function(pos, node)
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pos.y = pos.y + 1
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if minetest.get_node(pos).name == "air" then
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pos.y = pos.y - 1
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local new_node = minetest.registered_nodes[node.name].freezemelt
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if new_node ~= nil then
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minetest.set_node(pos,{name=new_node})
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else
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minetest.log("error","Freezing node without freezemelt set: "..node.name)
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end
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end
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end
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})
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-- melt things
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minetest.register_abm({
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label = "melt things",
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nodenames = {"group:melts"},
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neighbors = {"group:hot"},
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interval = 10,
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chance = 4,
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action = function(pos, node)
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local new_node = minetest.registered_nodes[node.name].freezemelt
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if new_node ~= nil then
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minetest.set_node(pos,{name=new_node})
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else
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minetest.log("error","Thawing node without freezemelt set: "..node.name)
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end
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end
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})
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--
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-- Papyrus and cactus growing
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--
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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 = 50,
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chance = 20,
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action = function(pos, node)
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--if abm_limiter() then return end
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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 minetest.get_item_group(name, "sand") ~= 0 then
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pos.y = pos.y+1
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local height = 0
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while minetest.get_node(pos).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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end
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if height < 4 then
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if minetest.get_node(pos).name == "air" then
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minetest.set_node(pos, {name="default:cactus"})
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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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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 = 50,
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chance = 20,
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action = function(pos, node)
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--if abm_limiter() then return end
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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" or name == "default:dirt_with_grass" then
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if minetest.find_node_near(pos, 3, {"group:water"}) == nil 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 minetest.get_node(pos).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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end
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if height < 4 then
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if minetest.get_node(pos).name == "air" then
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minetest.set_node(pos, {name="default:papyrus"})
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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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--
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-- Leafdecay
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--
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-- To enable leaf decay for a node, add it to the "leafdecay" group.
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--
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-- The rating of the group determines how far from a node in the group "tree"
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-- the node can be without decaying.
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--
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-- If param2 of the node is ~= 0, the node will always be preserved. Thus, if
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-- the player places a node of that kind, you will want to set param2=1 or so.
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--
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-- If the node is in the leafdecay_drop group then the it will always be dropped
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-- as an item
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default.leafdecay_trunk_cache = {}
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default.leafdecay_enable_cache = true
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-- Spread the load of finding trunks
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default.leafdecay_trunk_find_allow_accumulator = 0
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function default.leaf_globalstep(dtime)
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local finds_per_second = 5000
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default.leafdecay_trunk_find_allow_accumulator =
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math.floor(dtime * finds_per_second)
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end
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minetest.register_abm({
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label = "leaf decay",
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nodenames = {"group:leafdecay"},
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neighbors = {"air", "group:liquid"},
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-- A low interval and a high inverse chance spreads the load
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interval = 2,
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chance = 5,
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action = function(p0, node, _, _)
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----if abm_limiter() then return end
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--print("leafdecay ABM at "..p0.x..", "..p0.y..", "..p0.z..")")
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local do_preserve = false
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local d = minetest.registered_nodes[node.name].groups.leafdecay
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if not d or d == 0 then
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--print("not groups.leafdecay")
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return
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end
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local n0 = minetest.get_node(p0)
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if n0.param2 ~= 0 then
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--print("param2 ~= 0")
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return
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end
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local p0_hash = nil
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if default.leafdecay_enable_cache then
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p0_hash = minetest.hash_node_position(p0)
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local trunkp = default.leafdecay_trunk_cache[p0_hash]
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if trunkp then
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local n = minetest.get_node(trunkp)
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local reg = minetest.registered_nodes[n.name]
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-- Assume ignore is a trunk, to make the thing work at the border of the active area
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if n.name == "ignore" or (reg and reg.groups.tree and reg.groups.tree ~= 0) then
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--print("cached trunk still exists")
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return
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end
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--print("cached trunk is invalid")
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-- Cache is invalid
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table.remove(default.leafdecay_trunk_cache, p0_hash)
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end
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end
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if default.leafdecay_trunk_find_allow_accumulator <= 0 then
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return
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end
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default.leafdecay_trunk_find_allow_accumulator =
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default.leafdecay_trunk_find_allow_accumulator - 1
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-- Assume ignore is a trunk, to make the thing work at the border of the active area
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local p1 = minetest.find_node_near(p0, d, {"ignore", "group:tree"})
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if p1 then
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do_preserve = true
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if default.leafdecay_enable_cache then
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--print("caching trunk")
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-- Cache the trunk
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default.leafdecay_trunk_cache[p0_hash] = p1
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end
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end
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if not do_preserve then
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-- Drop stuff other than the node itself
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local itemstacks = minetest.get_node_drops(n0.name)
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for _, itemname in pairs(itemstacks) do
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if minetest.get_item_group(n0.name, "leafdecay_drop") ~= 0 or
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itemname ~= n0.name then
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local p_drop = {
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x = p0.x - 0.5 + math.random(),
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y = p0.y - 0.5 + math.random(),
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z = p0.z - 0.5 + math.random(),
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}
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minetest.add_item(p_drop, itemname)
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end
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end
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-- Remove node
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minetest.remove_node(p0)
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if adventuretest.is_50 then
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minetest.check_for_falling(p0)
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else
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nodeupdate(p0)
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end
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end
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end
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})
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function default.serialize_to_file(filename,t)
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local f = io.open(filename, "w")
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if f ~= nil then
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f:write(minetest.serialize(t))
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f:close()
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else
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minetest.log("error","Unable to open for writing "..tostring(filename))
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end
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end
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function default.deserialize_from_file(filename)
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local f = io.open(filename, "r")
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if f==nil then
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--minetest.log("error","File "..filename.." not found, returning empty table")
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return {}
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end
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local t = f:read("*all")
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f:close()
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if t=="" or t==nil then
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--minetest.log("error","File "..filename.." is blank, returning empty table")
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return {}
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end
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return minetest.deserialize(t)
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end
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function default.dump_inv(pos,listname,inv)
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if inv == nil then
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local meta = minetest.get_meta(pos)
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inv = meta:get_inventory()
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end
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if inv:get_list(listname) ~= nil then
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for i,stack in pairs(inv:get_list(listname)) do
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default.drop_item(pos,stack)
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stack:clear()
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inv:set_stack(listname, i, stack)
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end
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end
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end
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function default.drop_item(pos,itemstack,vel,acc)
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-- math.randomseed(os.time() + os.clock())
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local x = math.random(0, 15)/10 - 0.5
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local z = math.random(0, 15)/10 - 0.5
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--local y = math.random(0, 15)/10 - 2
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local np = { }
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np.x = pos.x + x
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np.z = pos.z + z
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np.y = pos.y + .25
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local obj = minetest.add_item(np, itemstack)
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if obj then
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obj:get_luaentity().collect = true
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if vel ~= nil and acc ~= nil then
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obj:get_luaentity().object:setvelocity(vel)
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obj:get_luaentity().object:setacceleration(acc)
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end
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end
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end
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function default.get_distance(pos1,pos2)
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if ( pos1 ~= nil and pos2 ~= nil ) then
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return math.abs(math.floor(math.sqrt( (pos1.x - pos2.x)^2 + (pos1.z - pos2.z)^2 )))
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else
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return nil
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end
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end
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function default.get_file_contents(filename)
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local f = io.open(filename, "r")
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if f==nil then
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minetest.log("error","File "..filename.." not found, returning empty table")
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return ""
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end
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local t = f:read("*all")
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f:close()
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if t=="" or t==nil then
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minetest.log("error","File "..filename.." is blank, returning empty table")
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return ""
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end
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return t
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end
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function randomChance (percent)
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--math.randomseed( os.clock() )
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return percent >= ( math.random(1000, 100000) / 1000 )
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end
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function default.tprint (tbl, indent)
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if not indent then indent = 0 end
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for k, v in pairs(tbl) do
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local formatting = string.rep(" ", indent) .. k .. ": "
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if type(v) == "table" then
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print(formatting)
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default.tprint(v, indent+1)
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elseif type(v) == 'boolean' then
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print(formatting .. tostring(v))
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else
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print(formatting .. v)
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end
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end
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end
|