mirror of
https://github.com/mt-mods/biome_lib.git
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Split code and tidy up
Split to growth.lua and search_functions.lua New function populate_single_surface for a single position check Use 'return' to reduce indent levels
This commit is contained in:
SmallJoker
parent
f056d6d76e
commit
b7d69a8487
78
growth.lua
Normal file
78
growth.lua
Normal file
@ -0,0 +1,78 @@
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-- The growing ABM
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function biome_lib:grow_plants(opts)
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local options = opts
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options.height_limit = options.height_limit or 5
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options.ground_nodes = options.ground_nodes or { "default:dirt_with_grass" }
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options.grow_nodes = options.grow_nodes or { "default:dirt_with_grass" }
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options.seed_diff = options.seed_diff or 0
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local n
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if type(options.grow_plant) == "table" then
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n = "multi: "..options.grow_plant[1]..", ..."
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else
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n = options.grow_plant
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end
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options.label = options.label or "biome_lib grow_plants(): "..n
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if options.grow_delay*time_scale >= 1 then
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options.interval = options.grow_delay*time_scale
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else
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options.interval = 1
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end
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minetest.register_abm({
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nodenames = { options.grow_plant },
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interval = options.interval,
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chance = options.grow_chance,
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label = options.label,
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action = function(pos, node, active_object_count, active_object_count_wider)
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local p_top = {x=pos.x, y=pos.y+1, z=pos.z}
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local p_bot = {x=pos.x, y=pos.y-1, z=pos.z}
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local n_top = minetest.get_node(p_top)
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local n_bot = minetest.get_node(p_bot)
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local root_node = minetest.get_node({x=pos.x, y=pos.y-options.height_limit, z=pos.z})
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local walldir = nil
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if options.need_wall and options.verticals_list then
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walldir = biome_lib:find_adjacent_wall(p_top, options.verticals_list, options.choose_random_wall)
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end
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if (n_top.name == "air" or n_top.name == "default:snow")
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and (not options.need_wall or (options.need_wall and walldir)) then
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-- corner case for changing short junglegrass
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-- to dry shrub in desert
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if n_bot.name == options.dry_early_node and options.grow_plant == "junglegrass:short" then
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minetest.swap_node(pos, { name = "default:dry_shrub" })
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elseif options.grow_vertically and walldir then
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if biome_lib:search_downward(pos, options.height_limit, options.ground_nodes) then
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minetest.swap_node(p_top, { name = options.grow_plant, param2 = walldir})
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end
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elseif not options.grow_result and not options.grow_function then
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minetest.swap_node(pos, biome_lib.air)
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else
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biome_lib:replace_object(pos, options.grow_result, options.grow_function, options.facedir, options.seed_diff)
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end
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end
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end
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})
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end
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-- spawn_tree() on generate is routed through here so that other mods can hook
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-- into it.
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function biome_lib:generate_tree(pos, nodes_or_function_or_model)
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minetest.spawn_tree(pos, nodes_or_function_or_model)
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end
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-- and this one's for the call used in the growing code
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function biome_lib:grow_tree(pos, nodes_or_function_or_model)
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minetest.spawn_tree(pos, nodes_or_function_or_model)
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end
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531
init.lua
531
init.lua
@ -198,6 +198,88 @@ function biome_lib:register_generate_plant(biomedef, nodes_or_function_or_model)
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end
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end
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-- Function to check whether a position matches the given biome definition
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-- Returns true when the surface can be populated
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local function populate_single_surface(biome, pos, perlin_fertile_area)
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local p_top = { x = pos.x, y = pos.y + 1, z = pos.z }
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local noise1 = perlin_fertile_area:get2d({x=pos.x, y=pos.z})
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local noise2 = biome_lib.perlin_temperature:get2d({x=pos.x, y=pos.z})
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local noise3 = biome_lib.perlin_humidity:get2d({x=pos.x+150, y=pos.z+50})
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if math.random(1, 100) <= biome.rarity then
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return
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end
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local pos_biome_ok = pos.y >= biome.min_elevation and pos.y <= biome.max_elevation
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and noise1 > biome.plantlife_limit
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and noise2 <= biome.temp_min and noise2 >= biome.temp_max
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and noise3 <= biome.humidity_min and noise3 >= biome.humidity_max
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if not pos_biome_ok then
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return -- Y position mismatch, outside of biome
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end
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local biome_surfaces_string = dump(biome.surface)
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local surface_ok = false
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if not biome.depth then
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local dest_node = minetest.get_node(pos)
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if string.find(biome_surfaces_string, dest_node.name) then
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surface_ok = true
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else
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if string.find(biome_surfaces_string, "group:") then
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for j = 1, #biome.surface do
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if string.find(biome.surface[j], "^group:")
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and minetest.get_item_group(dest_node.name, biome.surface[j]) then
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surface_ok = true
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break
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end
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end
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end
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end
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elseif not string.find(biome_surfaces_string,
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minetest.get_node({ x = pos.x, y = pos.y-biome.depth-1, z = pos.z }).name) then
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surface_ok = true
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end
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if not surface_ok then
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return -- Surface does not match the given node group/name
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end
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if checkair and minetest.get_node(p_top).name ~= "air" then
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return
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end
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if biome.below_nodes and
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not string.find(dump(biome.below_nodes),
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minetest.get_node({x=pos.x, y=pos.y-1, z=pos.z}).name
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) then
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return -- Node below does not match
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end
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if biome.ncount and
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#minetest.find_nodes_in_area(
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{x=pos.x-1, y=pos.y, z=pos.z-1},
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{x=pos.x+1, y=pos.y, z=pos.z+1},
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biome.neighbors
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) <= biome.ncount then
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return -- Not enough similar biome nodes around
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end
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if biome.near_nodes and
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#minetest.find_nodes_in_area(
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{x=pos.x-biome.near_nodes_size, y=pos.y-biome.near_nodes_vertical, z=pos.z-biome.near_nodes_size},
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{x=pos.x+biome.near_nodes_size, y=pos.y+biome.near_nodes_vertical, z=pos.z+biome.near_nodes_size},
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biome.near_nodes
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) < biome.near_nodes_count then
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return -- Long distance neighbours do not match
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end
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-- Position fits into given biome
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return true
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end
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function biome_lib:populate_surfaces(biome, nodes_or_function_or_model, snodes, checkair)
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biome_lib:set_defaults(biome)
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@ -208,47 +290,8 @@ function biome_lib:populate_surfaces(biome, nodes_or_function_or_model, snodes,
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local perlin_fertile_area = minetest.get_perlin(biome.seed_diff, perlin_octaves, perlin_persistence, perlin_scale)
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for i = 1, #snodes do
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local pos = snodes[i]
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local p_top = { x = pos.x, y = pos.y + 1, z = pos.z }
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local noise1 = perlin_fertile_area:get2d({x=pos.x, y=pos.z})
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local noise2 = biome_lib.perlin_temperature:get2d({x=pos.x, y=pos.z})
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local noise3 = biome_lib.perlin_humidity:get2d({x=pos.x+150, y=pos.z+50})
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local biome_surfaces_string = dump(biome.surface)
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local surface_ok = false
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if not biome.depth then
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local dest_node = minetest.get_node(pos)
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if string.find(biome_surfaces_string, dest_node.name) then
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surface_ok = true
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else
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if string.find(biome_surfaces_string, "group:") then
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for j = 1, #biome.surface do
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if string.find(biome.surface[j], "^group:")
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and minetest.get_item_group(dest_node.name, biome.surface[j]) then
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surface_ok = true
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break
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end
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end
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end
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end
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elseif not string.find(biome_surfaces_string, minetest.get_node({ x = pos.x, y = pos.y-biome.depth-1, z = pos.z }).name) then
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surface_ok = true
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end
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if surface_ok
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and pos.y >= biome.min_elevation
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and pos.y <= biome.max_elevation
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and noise1 > biome.plantlife_limit
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and noise2 <= biome.temp_min
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and noise2 >= biome.temp_max
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and noise3 <= biome.humidity_min
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and noise3 >= biome.humidity_max
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and (not checkair or minetest.get_node(p_top).name == "air")
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and (not biome.ncount or #(minetest.find_nodes_in_area({x=pos.x-1, y=pos.y, z=pos.z-1}, {x=pos.x+1, y=pos.y, z=pos.z+1}, biome.neighbors)) > biome.ncount)
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and (not biome.near_nodes or #(minetest.find_nodes_in_area({x=pos.x-biome.near_nodes_size, y=pos.y-biome.near_nodes_vertical, z=pos.z-biome.near_nodes_size}, {x=pos.x+biome.near_nodes_size, y=pos.y+biome.near_nodes_vertical, z=pos.z+biome.near_nodes_size}, biome.near_nodes)) >= biome.near_nodes_count)
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and math.random(1,100) > biome.rarity
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and (not biome.below_nodes or string.find(dump(biome.below_nodes), minetest.get_node({x=pos.x, y=pos.y-1, z=pos.z}).name) )
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then
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local pos = vector.new(snodes[i])
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if populate_single_surface(biome, pos, perlin_fertile_area) then
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in_biome_nodes[#in_biome_nodes + 1] = pos
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end
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end
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@ -257,73 +300,77 @@ function biome_lib:populate_surfaces(biome, nodes_or_function_or_model, snodes,
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local num_in_biome_nodes = #in_biome_nodes
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if num_in_biome_nodes > 0 then
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for i = 1, math.min(biome.max_count, num_in_biome_nodes) do
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local tries = 0
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local spawned = false
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while tries < 2 and not spawned do
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local pos = in_biome_nodes[math.random(1, num_in_biome_nodes)]
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if biome.spawn_replace_node then
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pos.y = pos.y-1
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if num_in_biome_nodes == 0 then
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return
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end
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for i = 1, math.min(biome.max_count, num_in_biome_nodes) do
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local tries = 0
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local spawned = false
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while tries < 2 and not spawned do
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local pos = in_biome_nodes[math.random(1, num_in_biome_nodes)]
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if biome.spawn_replace_node then
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pos.y = pos.y-1
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end
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local p_top = { x = pos.x, y = pos.y + 1, z = pos.z }
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if not (biome.avoid_nodes and biome.avoid_radius
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and minetest.find_node_near(p_top, biome.avoid_radius
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+ math.random(-1.5,2), biome.avoid_nodes)) then
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if biome.delete_above then
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minetest.swap_node(p_top, biome_lib.air)
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minetest.swap_node({x=p_top.x, y=p_top.y+1, z=p_top.z}, biome_lib.air)
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end
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local p_top = { x = pos.x, y = pos.y + 1, z = pos.z }
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if not (biome.avoid_nodes and biome.avoid_radius and minetest.find_node_near(p_top, biome.avoid_radius + math.random(-1.5,2), biome.avoid_nodes)) then
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if biome.delete_above then
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minetest.swap_node(p_top, biome_lib.air)
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minetest.swap_node({x=p_top.x, y=p_top.y+1, z=p_top.z}, biome_lib.air)
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end
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if biome.delete_above_surround then
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minetest.swap_node({x=p_top.x-1, y=p_top.y, z=p_top.z}, biome_lib.air)
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minetest.swap_node({x=p_top.x+1, y=p_top.y, z=p_top.z}, biome_lib.air)
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minetest.swap_node({x=p_top.x, y=p_top.y, z=p_top.z-1}, biome_lib.air)
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minetest.swap_node({x=p_top.x, y=p_top.y, z=p_top.z+1}, biome_lib.air)
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if biome.delete_above_surround then
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minetest.swap_node({x=p_top.x-1, y=p_top.y, z=p_top.z}, biome_lib.air)
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minetest.swap_node({x=p_top.x+1, y=p_top.y, z=p_top.z}, biome_lib.air)
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minetest.swap_node({x=p_top.x, y=p_top.y, z=p_top.z-1}, biome_lib.air)
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minetest.swap_node({x=p_top.x, y=p_top.y, z=p_top.z+1}, biome_lib.air)
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minetest.swap_node({x=p_top.x-1, y=p_top.y+1, z=p_top.z}, biome_lib.air)
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minetest.swap_node({x=p_top.x+1, y=p_top.y+1, z=p_top.z}, biome_lib.air)
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minetest.swap_node({x=p_top.x, y=p_top.y+1, z=p_top.z-1}, biome_lib.air)
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minetest.swap_node({x=p_top.x, y=p_top.y+1, z=p_top.z+1}, biome_lib.air)
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end
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minetest.swap_node({x=p_top.x-1, y=p_top.y+1, z=p_top.z}, biome_lib.air)
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minetest.swap_node({x=p_top.x+1, y=p_top.y+1, z=p_top.z}, biome_lib.air)
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minetest.swap_node({x=p_top.x, y=p_top.y+1, z=p_top.z-1}, biome_lib.air)
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minetest.swap_node({x=p_top.x, y=p_top.y+1, z=p_top.z+1}, biome_lib.air)
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end
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if biome.spawn_replace_node then
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minetest.swap_node(pos, biome_lib.air)
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end
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if biome.spawn_replace_node then
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minetest.swap_node(pos, biome_lib.air)
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end
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local objtype = type(nodes_or_function_or_model)
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local objtype = type(nodes_or_function_or_model)
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if objtype == "table" then
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if nodes_or_function_or_model.axiom then
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biome_lib:generate_tree(p_top, nodes_or_function_or_model)
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spawned = true
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else
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local fdir = nil
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if biome.random_facedir then
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fdir = math.random(biome.random_facedir[1], biome.random_facedir[2])
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end
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minetest.swap_node(p_top, { name = nodes_or_function_or_model[math.random(#nodes_or_function_or_model)], param2 = fdir })
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spawned = true
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end
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elseif objtype == "string" and
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minetest.registered_nodes[nodes_or_function_or_model] then
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if objtype == "table" then
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if nodes_or_function_or_model.axiom then
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biome_lib:generate_tree(p_top, nodes_or_function_or_model)
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spawned = true
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else
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local fdir = nil
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if biome.random_facedir then
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fdir = math.random(biome.random_facedir[1], biome.random_facedir[2])
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end
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minetest.swap_node(p_top, { name = nodes_or_function_or_model, param2 = fdir })
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minetest.swap_node(p_top, { name = nodes_or_function_or_model[math.random(#nodes_or_function_or_model)], param2 = fdir })
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spawned = true
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elseif objtype == "function" then
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nodes_or_function_or_model(pos)
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spawned = true
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elseif objtype == "string" and pcall(loadstring(("return %s(...)"):
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format(nodes_or_function_or_model)),pos) then
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spawned = true
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else
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biome_lib:dbg("Warning: Ignored invalid definition for object "..dump(nodes_or_function_or_model).." that was pointed at {"..dump(pos).."}")
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end
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elseif objtype == "string" and
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minetest.registered_nodes[nodes_or_function_or_model] then
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local fdir = nil
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if biome.random_facedir then
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fdir = math.random(biome.random_facedir[1], biome.random_facedir[2])
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end
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minetest.swap_node(p_top, { name = nodes_or_function_or_model, param2 = fdir })
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spawned = true
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elseif objtype == "function" then
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nodes_or_function_or_model(pos)
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spawned = true
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elseif objtype == "string" and pcall(loadstring(("return %s(...)"):
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format(nodes_or_function_or_model)),pos) then
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spawned = true
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else
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tries = tries + 1
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biome_lib:dbg("Warning: Ignored invalid definition for object "..dump(nodes_or_function_or_model).." that was pointed at {"..dump(pos).."}")
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end
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else
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tries = tries + 1
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end
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end
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end
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@ -333,51 +380,52 @@ end
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-- a surface during the initial map read stage.
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function biome_lib:generate_block_with_air_checking()
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if #biome_lib.blocklist_aircheck > 0 then
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if #biome_lib.blocklist_aircheck == 0 then
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return
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end
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local minp = biome_lib.blocklist_aircheck[1][1]
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local maxp = biome_lib.blocklist_aircheck[1][2]
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local minp = biome_lib.blocklist_aircheck[1][1]
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local maxp = biome_lib.blocklist_aircheck[1][2]
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-- use the block hash as a unique key into the surface nodes
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-- tables, so that we can write the tables thread-safely.
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-- use the block hash as a unique key into the surface nodes
|
||||
-- tables, so that we can write the tables thread-safely.
|
||||
|
||||
local blockhash = minetest.hash_node_position(minp)
|
||||
local blockhash = minetest.hash_node_position(minp)
|
||||
|
||||
if not biome_lib.surface_nodes_aircheck.blockhash then
|
||||
if not biome_lib.surface_nodes_aircheck.blockhash then
|
||||
|
||||
if type(minetest.find_nodes_in_area_under_air) == "function" then -- use newer API call
|
||||
biome_lib.surface_nodes_aircheck.blockhash =
|
||||
minetest.find_nodes_in_area_under_air(minp, maxp, biome_lib.surfaceslist_aircheck)
|
||||
else
|
||||
local search_area = minetest.find_nodes_in_area(minp, maxp, biome_lib.surfaceslist_aircheck)
|
||||
if type(minetest.find_nodes_in_area_under_air) == "function" then -- use newer API call
|
||||
biome_lib.surface_nodes_aircheck.blockhash =
|
||||
minetest.find_nodes_in_area_under_air(minp, maxp, biome_lib.surfaceslist_aircheck)
|
||||
else
|
||||
local search_area = minetest.find_nodes_in_area(minp, maxp, biome_lib.surfaceslist_aircheck)
|
||||
|
||||
-- search the generated block for air-bounded surfaces the slow way.
|
||||
-- search the generated block for air-bounded surfaces the slow way.
|
||||
|
||||
biome_lib.surface_nodes_aircheck.blockhash = {}
|
||||
biome_lib.surface_nodes_aircheck.blockhash = {}
|
||||
|
||||
for i = 1, #search_area do
|
||||
local pos = search_area[i]
|
||||
local p_top = { x=pos.x, y=pos.y+1, z=pos.z }
|
||||
if minetest.get_node(p_top).name == "air" then
|
||||
biome_lib.surface_nodes_aircheck.blockhash[#biome_lib.surface_nodes_aircheck.blockhash + 1] = pos
|
||||
end
|
||||
for i = 1, #search_area do
|
||||
local pos = search_area[i]
|
||||
local p_top = { x=pos.x, y=pos.y+1, z=pos.z }
|
||||
if minetest.get_node(p_top).name == "air" then
|
||||
biome_lib.surface_nodes_aircheck.blockhash[#biome_lib.surface_nodes_aircheck.blockhash + 1] = pos
|
||||
end
|
||||
end
|
||||
biome_lib.actioncount_aircheck.blockhash = 1
|
||||
end
|
||||
biome_lib.actioncount_aircheck.blockhash = 1
|
||||
|
||||
else
|
||||
if biome_lib.actioncount_aircheck.blockhash <= #biome_lib.actionslist_aircheck then
|
||||
-- [1] is biome, [2] is node/function/model
|
||||
biome_lib:populate_surfaces(
|
||||
biome_lib.actionslist_aircheck[biome_lib.actioncount_aircheck.blockhash][1],
|
||||
biome_lib.actionslist_aircheck[biome_lib.actioncount_aircheck.blockhash][2],
|
||||
biome_lib.surface_nodes_aircheck.blockhash, true)
|
||||
biome_lib.actioncount_aircheck.blockhash = biome_lib.actioncount_aircheck.blockhash + 1
|
||||
else
|
||||
if biome_lib.actioncount_aircheck.blockhash <= #biome_lib.actionslist_aircheck then
|
||||
-- [1] is biome, [2] is node/function/model
|
||||
biome_lib:populate_surfaces(
|
||||
biome_lib.actionslist_aircheck[biome_lib.actioncount_aircheck.blockhash][1],
|
||||
biome_lib.actionslist_aircheck[biome_lib.actioncount_aircheck.blockhash][2],
|
||||
biome_lib.surface_nodes_aircheck.blockhash, true)
|
||||
biome_lib.actioncount_aircheck.blockhash = biome_lib.actioncount_aircheck.blockhash + 1
|
||||
else
|
||||
if biome_lib.surface_nodes_aircheck.blockhash then
|
||||
table.remove(biome_lib.blocklist_aircheck, 1)
|
||||
biome_lib.surface_nodes_aircheck.blockhash = nil
|
||||
end
|
||||
if biome_lib.surface_nodes_aircheck.blockhash then
|
||||
table.remove(biome_lib.blocklist_aircheck, 1)
|
||||
biome_lib.surface_nodes_aircheck.blockhash = nil
|
||||
end
|
||||
end
|
||||
end
|
||||
@ -387,33 +435,34 @@ end
|
||||
-- checking for air during the initial map read stage.
|
||||
|
||||
function biome_lib:generate_block_no_aircheck()
|
||||
if #biome_lib.blocklist_no_aircheck > 0 then
|
||||
if #biome_lib.blocklist_no_aircheck == 0 then
|
||||
return
|
||||
end
|
||||
|
||||
local minp = biome_lib.blocklist_no_aircheck[1][1]
|
||||
local maxp = biome_lib.blocklist_no_aircheck[1][2]
|
||||
local minp = biome_lib.blocklist_no_aircheck[1][1]
|
||||
local maxp = biome_lib.blocklist_no_aircheck[1][2]
|
||||
|
||||
local blockhash = minetest.hash_node_position(minp)
|
||||
local blockhash = minetest.hash_node_position(minp)
|
||||
|
||||
if not biome_lib.surface_nodes_no_aircheck.blockhash then
|
||||
if not biome_lib.surface_nodes_no_aircheck.blockhash then
|
||||
|
||||
-- directly read the block to be searched into the chunk cache
|
||||
-- directly read the block to be searched into the chunk cache
|
||||
|
||||
biome_lib.surface_nodes_no_aircheck.blockhash =
|
||||
minetest.find_nodes_in_area(minp, maxp, biome_lib.surfaceslist_no_aircheck)
|
||||
biome_lib.actioncount_no_aircheck.blockhash = 1
|
||||
biome_lib.surface_nodes_no_aircheck.blockhash =
|
||||
minetest.find_nodes_in_area(minp, maxp, biome_lib.surfaceslist_no_aircheck)
|
||||
biome_lib.actioncount_no_aircheck.blockhash = 1
|
||||
|
||||
else
|
||||
if biome_lib.actioncount_no_aircheck.blockhash <= #biome_lib.actionslist_no_aircheck then
|
||||
biome_lib:populate_surfaces(
|
||||
biome_lib.actionslist_no_aircheck[biome_lib.actioncount_no_aircheck.blockhash][1],
|
||||
biome_lib.actionslist_no_aircheck[biome_lib.actioncount_no_aircheck.blockhash][2],
|
||||
biome_lib.surface_nodes_no_aircheck.blockhash, false)
|
||||
biome_lib.actioncount_no_aircheck.blockhash = biome_lib.actioncount_no_aircheck.blockhash + 1
|
||||
else
|
||||
if biome_lib.actioncount_no_aircheck.blockhash <= #biome_lib.actionslist_no_aircheck then
|
||||
biome_lib:populate_surfaces(
|
||||
biome_lib.actionslist_no_aircheck[biome_lib.actioncount_no_aircheck.blockhash][1],
|
||||
biome_lib.actionslist_no_aircheck[biome_lib.actioncount_no_aircheck.blockhash][2],
|
||||
biome_lib.surface_nodes_no_aircheck.blockhash, false)
|
||||
biome_lib.actioncount_no_aircheck.blockhash = biome_lib.actioncount_no_aircheck.blockhash + 1
|
||||
else
|
||||
if biome_lib.surface_nodes_no_aircheck.blockhash then
|
||||
table.remove(biome_lib.blocklist_no_aircheck, 1)
|
||||
biome_lib.surface_nodes_no_aircheck.blockhash = nil
|
||||
end
|
||||
if biome_lib.surface_nodes_no_aircheck.blockhash then
|
||||
table.remove(biome_lib.blocklist_no_aircheck, 1)
|
||||
biome_lib.surface_nodes_no_aircheck.blockhash = nil
|
||||
end
|
||||
end
|
||||
end
|
||||
@ -432,21 +481,23 @@ end)
|
||||
-- "Play" them back, populating them with new stuff in the process
|
||||
|
||||
minetest.register_globalstep(function(dtime)
|
||||
if dtime < 0.2 -- don't attempt to populate if lag is already too high
|
||||
and math.random(100) <= biome_lib.queue_run_ratio
|
||||
and (#biome_lib.blocklist_aircheck > 0 or #biome_lib.blocklist_no_aircheck > 0) then
|
||||
biome_lib.globalstep_start_time = minetest.get_us_time()
|
||||
biome_lib.globalstep_runtime = 0
|
||||
while (#biome_lib.blocklist_aircheck > 0 or #biome_lib.blocklist_no_aircheck > 0)
|
||||
and biome_lib.globalstep_runtime < 200000 do -- 0.2 seconds, in uS.
|
||||
if #biome_lib.blocklist_aircheck > 0 then
|
||||
biome_lib:generate_block_with_air_checking()
|
||||
end
|
||||
if #biome_lib.blocklist_no_aircheck > 0 then
|
||||
biome_lib:generate_block_no_aircheck()
|
||||
end
|
||||
biome_lib.globalstep_runtime = minetest.get_us_time() - biome_lib.globalstep_start_time
|
||||
if dtime >= 0.2 -- don't attempt to populate if lag is already too high
|
||||
or math.random(100) > biome_lib.queue_run_ratio
|
||||
or (#biome_lib.blocklist_aircheck == 0 and #biome_lib.blocklist_no_aircheck == 0) then
|
||||
return
|
||||
end
|
||||
|
||||
biome_lib.globalstep_start_time = minetest.get_us_time()
|
||||
biome_lib.globalstep_runtime = 0
|
||||
while (#biome_lib.blocklist_aircheck > 0 or #biome_lib.blocklist_no_aircheck > 0)
|
||||
and biome_lib.globalstep_runtime < 200000 do -- 0.2 seconds, in uS.
|
||||
if #biome_lib.blocklist_aircheck > 0 then
|
||||
biome_lib:generate_block_with_air_checking()
|
||||
end
|
||||
if #biome_lib.blocklist_no_aircheck > 0 then
|
||||
biome_lib:generate_block_no_aircheck()
|
||||
end
|
||||
biome_lib.globalstep_runtime = minetest.get_us_time() - biome_lib.globalstep_start_time
|
||||
end
|
||||
end)
|
||||
|
||||
@ -454,24 +505,26 @@ end)
|
||||
-- to prevent unpopulated map areas
|
||||
|
||||
minetest.register_on_shutdown(function()
|
||||
if #biome_lib.blocklist_aircheck > 0 then
|
||||
print("[biome_lib] Stand by, playing out the rest of the aircheck mapblock log")
|
||||
print("(there are "..#biome_lib.blocklist_aircheck.." entries)...")
|
||||
while true do
|
||||
biome_lib:generate_block_with_air_checking(0.1)
|
||||
if #biome_lib.blocklist_aircheck == 0 then return end
|
||||
end
|
||||
if #biome_lib.blocklist_aircheck == 0 then
|
||||
return
|
||||
end
|
||||
|
||||
print("[biome_lib] Stand by, playing out the rest of the aircheck mapblock log")
|
||||
print("(there are "..#biome_lib.blocklist_aircheck.." entries)...")
|
||||
while #biome_lib.blocklist_aircheck > 0 do
|
||||
biome_lib:generate_block_with_air_checking(0.1)
|
||||
end
|
||||
end)
|
||||
|
||||
minetest.register_on_shutdown(function()
|
||||
if #biome_lib.blocklist_no_aircheck > 0 then
|
||||
print("[biome_lib] Stand by, playing out the rest of the no-aircheck mapblock log")
|
||||
print("(there are "..#biome_lib.blocklist_no_aircheck.." entries)...")
|
||||
while true do
|
||||
biome_lib:generate_block_no_aircheck(0.1)
|
||||
if #biome_lib.blocklist_no_aircheck == 0 then return end
|
||||
end
|
||||
if #biome_lib.blocklist_aircheck == 0 then
|
||||
return
|
||||
end
|
||||
|
||||
print("[biome_lib] Stand by, playing out the rest of the no-aircheck mapblock log")
|
||||
print("(there are "..#biome_lib.blocklist_no_aircheck.." entries)...")
|
||||
while #biome_lib.blocklist_no_aircheck > 0 do
|
||||
biome_lib:generate_block_no_aircheck(0.1)
|
||||
end
|
||||
end)
|
||||
|
||||
@ -581,71 +634,6 @@ function biome_lib:spawn_on_surfaces(sd,sp,sr,sc,ss,sa)
|
||||
})
|
||||
end
|
||||
|
||||
-- The growing ABM
|
||||
|
||||
function biome_lib:grow_plants(opts)
|
||||
|
||||
local options = opts
|
||||
|
||||
options.height_limit = options.height_limit or 5
|
||||
options.ground_nodes = options.ground_nodes or { "default:dirt_with_grass" }
|
||||
options.grow_nodes = options.grow_nodes or { "default:dirt_with_grass" }
|
||||
options.seed_diff = options.seed_diff or 0
|
||||
|
||||
local n
|
||||
|
||||
if type(options.grow_plant) == "table" then
|
||||
n = "multi: "..options.grow_plant[1]..", ..."
|
||||
else
|
||||
n = options.grow_plant
|
||||
end
|
||||
|
||||
options.label = options.label or "biome_lib grow_plants(): "..n
|
||||
|
||||
if options.grow_delay*time_scale >= 1 then
|
||||
options.interval = options.grow_delay*time_scale
|
||||
else
|
||||
options.interval = 1
|
||||
end
|
||||
|
||||
minetest.register_abm({
|
||||
nodenames = { options.grow_plant },
|
||||
interval = options.interval,
|
||||
chance = options.grow_chance,
|
||||
label = options.label,
|
||||
action = function(pos, node, active_object_count, active_object_count_wider)
|
||||
local p_top = {x=pos.x, y=pos.y+1, z=pos.z}
|
||||
local p_bot = {x=pos.x, y=pos.y-1, z=pos.z}
|
||||
local n_top = minetest.get_node(p_top)
|
||||
local n_bot = minetest.get_node(p_bot)
|
||||
local root_node = minetest.get_node({x=pos.x, y=pos.y-options.height_limit, z=pos.z})
|
||||
local walldir = nil
|
||||
if options.need_wall and options.verticals_list then
|
||||
walldir = biome_lib:find_adjacent_wall(p_top, options.verticals_list, options.choose_random_wall)
|
||||
end
|
||||
if (n_top.name == "air" or n_top.name == "default:snow")
|
||||
and (not options.need_wall or (options.need_wall and walldir)) then
|
||||
-- corner case for changing short junglegrass
|
||||
-- to dry shrub in desert
|
||||
if n_bot.name == options.dry_early_node and options.grow_plant == "junglegrass:short" then
|
||||
minetest.swap_node(pos, { name = "default:dry_shrub" })
|
||||
|
||||
elseif options.grow_vertically and walldir then
|
||||
if biome_lib:search_downward(pos, options.height_limit, options.ground_nodes) then
|
||||
minetest.swap_node(p_top, { name = options.grow_plant, param2 = walldir})
|
||||
end
|
||||
|
||||
elseif not options.grow_result and not options.grow_function then
|
||||
minetest.swap_node(pos, biome_lib.air)
|
||||
|
||||
else
|
||||
biome_lib:replace_object(pos, options.grow_result, options.grow_function, options.facedir, options.seed_diff)
|
||||
end
|
||||
end
|
||||
end
|
||||
})
|
||||
end
|
||||
|
||||
-- Function to decide how to replace a plant - either grow it, replace it with
|
||||
-- a tree, run a function, or die with an error.
|
||||
|
||||
@ -675,71 +663,12 @@ function biome_lib:replace_object(pos, replacement, grow_function, walldir, seed
|
||||
end
|
||||
end
|
||||
|
||||
-- function to decide if a node has a wall that's in verticals_list{}
|
||||
-- returns wall direction of valid node, or nil if invalid.
|
||||
|
||||
function biome_lib:find_adjacent_wall(pos, verticals, randomflag)
|
||||
local verts = dump(verticals)
|
||||
if randomflag then
|
||||
local walltab = {}
|
||||
|
||||
if string.find(verts, minetest.get_node({ x=pos.x-1, y=pos.y, z=pos.z }).name) then walltab[#walltab + 1] = 3 end
|
||||
if string.find(verts, minetest.get_node({ x=pos.x+1, y=pos.y, z=pos.z }).name) then walltab[#walltab + 1] = 2 end
|
||||
if string.find(verts, minetest.get_node({ x=pos.x , y=pos.y, z=pos.z-1 }).name) then walltab[#walltab + 1] = 5 end
|
||||
if string.find(verts, minetest.get_node({ x=pos.x , y=pos.y, z=pos.z+1 }).name) then walltab[#walltab + 1] = 4 end
|
||||
|
||||
if #walltab > 0 then return walltab[math.random(1, #walltab)] end
|
||||
dofile(biome_lib.modpath .. "/search_functions.lua")
|
||||
dofile(biome_lib.modpath .. "/growth.lua")
|
||||
|
||||
else
|
||||
if string.find(verts, minetest.get_node({ x=pos.x-1, y=pos.y, z=pos.z }).name) then return 3 end
|
||||
if string.find(verts, minetest.get_node({ x=pos.x+1, y=pos.y, z=pos.z }).name) then return 2 end
|
||||
if string.find(verts, minetest.get_node({ x=pos.x , y=pos.y, z=pos.z-1 }).name) then return 5 end
|
||||
if string.find(verts, minetest.get_node({ x=pos.x , y=pos.y, z=pos.z+1 }).name) then return 4 end
|
||||
end
|
||||
return nil
|
||||
end
|
||||
|
||||
-- Function to search downward from the given position, looking for the first
|
||||
-- node that matches the ground table. Returns the new position, or nil if
|
||||
-- height limit is exceeded before finding it.
|
||||
|
||||
function biome_lib:search_downward(pos, heightlimit, ground)
|
||||
for i = 0, heightlimit do
|
||||
if string.find(dump(ground), minetest.get_node({x=pos.x, y=pos.y-i, z = pos.z}).name) then
|
||||
return {x=pos.x, y=pos.y-i, z = pos.z}
|
||||
end
|
||||
end
|
||||
return false
|
||||
end
|
||||
|
||||
function biome_lib:find_open_side(pos)
|
||||
if minetest.get_node({ x=pos.x-1, y=pos.y, z=pos.z }).name == "air" then
|
||||
return {newpos = { x=pos.x-1, y=pos.y, z=pos.z }, facedir = 2}
|
||||
end
|
||||
if minetest.get_node({ x=pos.x+1, y=pos.y, z=pos.z }).name == "air" then
|
||||
return {newpos = { x=pos.x+1, y=pos.y, z=pos.z }, facedir = 3}
|
||||
end
|
||||
if minetest.get_node({ x=pos.x, y=pos.y, z=pos.z-1 }).name == "air" then
|
||||
return {newpos = { x=pos.x, y=pos.y, z=pos.z-1 }, facedir = 4}
|
||||
end
|
||||
if minetest.get_node({ x=pos.x, y=pos.y, z=pos.z+1 }).name == "air" then
|
||||
return {newpos = { x=pos.x, y=pos.y, z=pos.z+1 }, facedir = 5}
|
||||
end
|
||||
return nil
|
||||
end
|
||||
|
||||
-- spawn_tree() on generate is routed through here so that other mods can hook
|
||||
-- into it.
|
||||
|
||||
function biome_lib:generate_tree(pos, nodes_or_function_or_model)
|
||||
minetest.spawn_tree(pos, nodes_or_function_or_model)
|
||||
end
|
||||
|
||||
-- and this one's for the call used in the growing code
|
||||
|
||||
function biome_lib:grow_tree(pos, nodes_or_function_or_model)
|
||||
minetest.spawn_tree(pos, nodes_or_function_or_model)
|
||||
end
|
||||
|
||||
-- Check for infinite stacks
|
||||
|
||||
|
||||
53
search_functions.lua
Normal file
53
search_functions.lua
Normal file
@ -0,0 +1,53 @@
|
||||
|
||||
-- function to decide if a node has a wall that's in verticals_list{}
|
||||
-- returns wall direction of valid node, or nil if invalid.
|
||||
|
||||
function biome_lib:find_adjacent_wall(pos, verticals, randomflag)
|
||||
local verts = dump(verticals)
|
||||
if randomflag then
|
||||
local walltab = {}
|
||||
|
||||
if string.find(verts, minetest.get_node({ x=pos.x-1, y=pos.y, z=pos.z }).name) then walltab[#walltab + 1] = 3 end
|
||||
if string.find(verts, minetest.get_node({ x=pos.x+1, y=pos.y, z=pos.z }).name) then walltab[#walltab + 1] = 2 end
|
||||
if string.find(verts, minetest.get_node({ x=pos.x , y=pos.y, z=pos.z-1 }).name) then walltab[#walltab + 1] = 5 end
|
||||
if string.find(verts, minetest.get_node({ x=pos.x , y=pos.y, z=pos.z+1 }).name) then walltab[#walltab + 1] = 4 end
|
||||
|
||||
if #walltab > 0 then return walltab[math.random(1, #walltab)] end
|
||||
|
||||
else
|
||||
if string.find(verts, minetest.get_node({ x=pos.x-1, y=pos.y, z=pos.z }).name) then return 3 end
|
||||
if string.find(verts, minetest.get_node({ x=pos.x+1, y=pos.y, z=pos.z }).name) then return 2 end
|
||||
if string.find(verts, minetest.get_node({ x=pos.x , y=pos.y, z=pos.z-1 }).name) then return 5 end
|
||||
if string.find(verts, minetest.get_node({ x=pos.x , y=pos.y, z=pos.z+1 }).name) then return 4 end
|
||||
end
|
||||
return nil
|
||||
end
|
||||
|
||||
-- Function to search downward from the given position, looking for the first
|
||||
-- node that matches the ground table. Returns the new position, or nil if
|
||||
-- height limit is exceeded before finding it.
|
||||
|
||||
function biome_lib:search_downward(pos, heightlimit, ground)
|
||||
for i = 0, heightlimit do
|
||||
if string.find(dump(ground), minetest.get_node({x=pos.x, y=pos.y-i, z = pos.z}).name) then
|
||||
return {x=pos.x, y=pos.y-i, z = pos.z}
|
||||
end
|
||||
end
|
||||
return false
|
||||
end
|
||||
|
||||
function biome_lib:find_open_side(pos)
|
||||
if minetest.get_node({ x=pos.x-1, y=pos.y, z=pos.z }).name == "air" then
|
||||
return {newpos = { x=pos.x-1, y=pos.y, z=pos.z }, facedir = 2}
|
||||
end
|
||||
if minetest.get_node({ x=pos.x+1, y=pos.y, z=pos.z }).name == "air" then
|
||||
return {newpos = { x=pos.x+1, y=pos.y, z=pos.z }, facedir = 3}
|
||||
end
|
||||
if minetest.get_node({ x=pos.x, y=pos.y, z=pos.z-1 }).name == "air" then
|
||||
return {newpos = { x=pos.x, y=pos.y, z=pos.z-1 }, facedir = 4}
|
||||
end
|
||||
if minetest.get_node({ x=pos.x, y=pos.y, z=pos.z+1 }).name == "air" then
|
||||
return {newpos = { x=pos.x, y=pos.y, z=pos.z+1 }, facedir = 5}
|
||||
end
|
||||
return nil
|
||||
end
|
||||
Loading…
Reference in New Issue
Block a user