forked from mtcontrib/plantlife_modpack
Made a couple of perlin functions global so they aren't being redefined
every time an ABM or on_generated is called. Optimized a number of nil
comparisons ("if x == nil" -> "if not x" and similar).
This commit is contained in:
Vanessa Ezekowitz
parent
e261479923
commit
96df170e2d
@ -29,13 +29,18 @@ local humidity_octaves = 3
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local humidity_persistence = 0.5
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local humidity_scale = 250
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--PerlinNoise(seed, octaves, persistence, scale)
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plantslib.perlin_temperature = PerlinNoise(temperature_seeddiff, temperature_octaves, temperature_persistence, temperature_scale)
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plantslib.perlin_humidity = PerlinNoise(humidity_seeddiff, humidity_octaves, humidity_persistence, humidity_scale)
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-- Local functions
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math.randomseed(os.time())
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function plantslib:is_node_loaded(node_pos)
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n = minetest.env:get_node_or_nil(node_pos)
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if (n == nil) or (n.name == "ignore") then
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if (not n) or (n.name == "ignore") then
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return false
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end
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return true
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@ -62,20 +67,20 @@ function plantslib:search_for_surfaces(minp, maxp, biomedef, node_or_function_or
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local biome = biomedef
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if biome.seed_diff == nil then biome.seed_diff = 0 end
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if biome.neighbors == nil then biome.neighbors = biome.surface end
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if biome.min_elevation == nil then biome.min_elevation = -31000 end
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if biome.max_elevation == nil then biome.max_elevation = 31000 end
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if biome.near_nodes_size == nil then biome.near_nodes_size = 0 end
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if biome.near_nodes_count == nil then biome.near_nodes_count = 1 end
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if biome.temp_min == nil then biome.temp_min = 1 end
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if biome.temp_max == nil then biome.temp_max = -1 end
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if biome.rarity == nil then biome.rarity = 50 end
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if biome.max_count == nil then biome.max_count = 5 end
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if biome.plantlife_limit == nil then biome.plantlife_limit = 0.1 end
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if biome.near_nodes_vertical == nil then biome.near_nodes_vertical = 1 end
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if biome.humidity_min == nil then biome.humidity_min = 1 end
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if biome.humidity_max == nil then biome.humidity_max = -1 end
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if not biome.seed_diff then biome.seed_diff = 0 end
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if not biome.neighbors then biome.neighbors = biome.surface end
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if not biome.min_elevation then biome.min_elevation = -31000 end
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if not biome.max_elevation then biome.max_elevation = 31000 end
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if not biome.near_nodes_size then biome.near_nodes_size = 0 end
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if not biome.near_nodes_count then biome.near_nodes_count = 1 end
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if not biome.temp_min then biome.temp_min = 1 end
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if not biome.temp_max then biome.temp_max = -1 end
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if not biome.rarity then biome.rarity = 50 end
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if not biome.max_count then biome.max_count = 5 end
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if not biome.plantlife_limit then biome.plantlife_limit = 0.1 end
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if not biome.near_nodes_vertical then biome.near_nodes_vertical = 1 end
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if not biome.humidity_min then biome.humidity_min = 1 end
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if not biome.humidity_max then biome.humidity_max = -1 end
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plantslib:dbg("Started checking generated mapblock volume...")
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local searchnodes = minetest.env:find_nodes_in_area(minp, maxp, biome.surface)
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@ -85,12 +90,10 @@ function plantslib:search_for_surfaces(minp, maxp, biomedef, node_or_function_or
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local pos = searchnodes[i]
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local p_top = { x = pos.x, y = pos.y + 1, z = pos.z }
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local perlin1 = minetest.env:get_perlin(biome.seed_diff, perlin_octaves, perlin_persistence, perlin_scale)
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local perlin2 = minetest.env:get_perlin(temperature_seeddiff, temperature_octaves, temperature_persistence, temperature_scale)
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local perlin3 = minetest.env:get_perlin(humidity_seeddiff, humidity_octaves, humidity_persistence, humidity_scale)
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local noise1 = perlin1:get2d({x=p_top.x, y=p_top.z})
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local noise2 = perlin2:get2d({x=p_top.x, y=p_top.z})
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local noise3 = perlin3:get2d({x=p_top.x+150, y=p_top.z+50})
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if (biome.depth == nil or minetest.env:get_node({ x = pos.x, y = pos.y-biome.depth-1, z = pos.z }).name ~= biome.surface)
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local noise2 = plantslib.perlin_temperature:get2d({x=p_top.x, y=p_top.z})
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local noise3 = plantslib.perlin_humidity:get2d({x=p_top.x+150, y=p_top.z+50})
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if (not biome.depth or minetest.env:get_node({ x = pos.x, y = pos.y-biome.depth-1, z = pos.z }).name ~= biome.surface)
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and minetest.env:get_node(p_top).name == "air"
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and pos.y >= biome.min_elevation
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and pos.y <= biome.max_elevation
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@ -99,8 +102,8 @@ function plantslib:search_for_surfaces(minp, maxp, biomedef, node_or_function_or
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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 (biome.ncount == nil or table.getn(minetest.env: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 (biome.near_nodes == nil or table.getn(minetest.env: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 (not biome.ncount or table.getn(minetest.env: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 table.getn(minetest.env: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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then
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table.insert(in_biome_nodes, pos)
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@ -122,21 +125,10 @@ function plantslib:search_for_surfaces(minp, maxp, biomedef, node_or_function_or
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spawned = true
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if type(node_or_function_or_model) == "table" then
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plantslib:dbg("Spawn tree at {"..dump(pos).."}")
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--[[
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for v = 0,10 do
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minetest.env:remove_node({ x = pos.x, y = pos.y + v, z = pos.z })
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minetest.env:remove_node({ x = pos.x-1, y = pos.y + v, z = pos.z })
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minetest.env:remove_node({ x = pos.x+1, y = pos.y + v, z = pos.z })
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minetest.env:remove_node({ x = pos.x, y = pos.y + v, z = pos.z-1 })
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minetest.env:remove_node({ x = pos.x, y = pos.y + v, z = pos.z+1 })
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end
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]]--
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plantslib:generate_tree(pos, node_or_function_or_model)
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elseif type(node_or_function_or_model) == "string" then
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if minetest.registered_nodes[node_or_function_or_model] == nil then
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if not minetest.registered_nodes[node_or_function_or_model] then
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plantslib:dbg("Call function: "..node_or_function_or_model.."("..dump(pos)..")")
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assert(loadstring(node_or_function_or_model.."("..dump(pos)..")"))()
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else
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@ -175,19 +167,19 @@ function plantslib:spawn_on_surfaces(sd,sp,sr,sc,ss,sa)
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biome = sd
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end
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if biome.seed_diff == nil then biome.seed_diff = 0 end
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if biome.light_min == nil then biome.light_min = 0 end
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if biome.light_max == nil then biome.light_max = 15 end
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if biome.depth_max == nil then biome.depth_max = 1 end
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if biome.min_elevation == nil then biome.min_elevation = -31000 end
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if biome.max_elevation == nil then biome.max_elevation = 31000 end
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if biome.temp_min == nil then biome.temp_min = 1 end
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if biome.temp_max == nil then biome.temp_max = -1 end
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if biome.humidity_min == nil then biome.humidity_min = 1 end
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if biome.humidity_max == nil then biome.humidity_max = -1 end
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if biome.plantlife_limit == nil then biome.plantlife_limit = 0.1 end
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if biome.near_nodes_vertical == nil then biome.near_nodes_vertical = 1 end
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if biome.facedir == nil then biome.facedir = 0 end
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if not biome.seed_diff then biome.seed_diff = 0 end
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if not biome.light_min then biome.light_min = 0 end
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if not biome.light_max then biome.light_max = 15 end
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if not biome.depth_max then biome.depth_max = 1 end
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if not biome.min_elevation then biome.min_elevation = -31000 end
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if not biome.max_elevation then biome.max_elevation = 31000 end
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if not biome.temp_min then biome.temp_min = 1 end
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if not biome.temp_max then biome.temp_max = -1 end
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if not biome.humidity_min then biome.humidity_min = 1 end
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if not biome.humidity_max then biome.humidity_max = -1 end
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if not biome.plantlife_limit then biome.plantlife_limit = 0.1 end
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if not biome.near_nodes_vertical then biome.near_nodes_vertical = 1 end
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if not biome.facedir then biome.facedir = 0 end
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biome.spawn_plants_count = table.getn(biome.spawn_plants)
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@ -204,11 +196,9 @@ function plantslib:spawn_on_surfaces(sd,sp,sr,sc,ss,sa)
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local p_top = { x = pos.x, y = pos.y + 1, z = pos.z }
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local n_top = minetest.env:get_node(p_top)
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local perlin1 = minetest.env:get_perlin(biome.seed_diff, perlin_octaves, perlin_persistence, perlin_scale)
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local perlin2 = minetest.env:get_perlin(temperature_seeddiff, temperature_octaves, temperature_persistence, temperature_scale)
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local perlin3 = minetest.env:get_perlin(humidity_seeddiff, humidity_octaves, humidity_persistence, humidity_scale)
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local noise1 = perlin1:get2d({x=p_top.x, y=p_top.z})
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local noise2 = perlin2:get2d({x=p_top.x, y=p_top.z})
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local noise3 = perlin3:get2d({x=p_top.x, y=p_top.z})
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local noise2 = plantslib.perlin_temperature:get2d({x=p_top.x, y=p_top.z})
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local noise3 = plantslib.perlin_humidity:get2d({x=p_top.x+150, y=p_top.z+50})
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if 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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@ -216,7 +206,7 @@ function plantslib:spawn_on_surfaces(sd,sp,sr,sc,ss,sa)
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and noise3 >= biome.humidity_max
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and plantslib:is_node_loaded(p_top) then
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local n_light = minetest.env:get_node_light(p_top, nil)
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if (not(biome.avoid_nodes and biome.avoid_radius) or minetest.env:find_node_near(p_top, biome.avoid_radius + math.random(-1.5,2), biome.avoid_nodes) == nil)
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if (not(biome.avoid_nodes and biome.avoid_radius) or not minetest.env:find_node_near(p_top, biome.avoid_radius + math.random(-1.5,2), biome.avoid_nodes))
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and n_light >= biome.light_min
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and n_light <= biome.light_max
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and (not(biome.neighbors and biome.ncount) or table.getn(minetest.env: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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@ -296,10 +286,10 @@ function plantslib:grow_plants(opts)
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local options = opts
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if options.height_limit == nil then options.height_limit = 5 end
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if options.ground_nodes == nil then options.ground_nodes = { "default:dirt_with_grass" } end
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if options.grow_nodes == nil then options.grow_nodes = { "default:dirt_with_grass" } end
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if options.seed_diff == nil then options.seed_diff = 0 end
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if not options.height_limit then options.height_limit = 5 end
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if not options.ground_nodes then options.ground_nodes = { "default:dirt_with_grass" } end
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if not options.grow_nodes then options.grow_nodes = { "default:dirt_with_grass" } end
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if not options.seed_diff then options.seed_diff = 0 end
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plantslib:dbg("Registered growing ABM:")
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plantslib:dbg(dump(options))
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@ -315,7 +305,7 @@ function plantslib:grow_plants(opts)
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local n_bot = minetest.env:get_node(p_bot)
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local root_node = minetest.env: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 ~= nil then
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if options.need_wall and options.verticals_list then
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walldir = plantslib:find_adjacent_wall(p_top, options.verticals_list)
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end
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if n_top.name == "air" and (not options.need_wall or (options.need_wall and walldir))
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@ -332,7 +322,7 @@ function plantslib:grow_plants(opts)
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minetest.env:add_node(p_top, { name = options.grow_plant, param2 = walldir})
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end
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elseif options.grow_result == nil and options.grow_function == nil then
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elseif not options.grow_result and not options.grow_function then
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plantslib:dbg("Die: "..options.grow_plant.." at ("..dump(pos)..")")
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minetest.env:remove_node(pos)
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@ -356,15 +346,14 @@ function plantslib:replace_object(pos, replacement, grow_function, walldir, seed
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plantslib:grow_tree(pos, grow_function)
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return
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elseif growtype == "string" then
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local perlin1 = minetest.env:get_perlin(seeddiff, perlin_octaves, perlin_persistence, perlin_scale)
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local perlin2 = minetest.env:get_perlin(temperature_seeddiff, temperature_octaves, temperature_persistence, temperature_scale)
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local noise1 = perlin1:get2d({x=pos.x, y=pos.z})
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local noise2 = perlin2:get2d({x=pos.x, y=pos.z})
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local perlin1 = minetest.env:get_perlin(biome.seed_diff, perlin_octaves, perlin_persistence, perlin_scale)
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local noise1 = perlin1:get2d({x=p_top.x, y=p_top.z})
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local noise2 = plantslib.perlin_temperature:get2d({x=p_top.x, y=p_top.z})
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plantslib:dbg("Grow: call function "..grow_function.."("..dump(pos)..","..noise1..","..noise2..","..dump(walldir)..")")
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assert(loadstring(grow_function.."("..dump(pos)..","..noise1..","..noise2..","..dump(walldir)..")"))()
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return
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elseif growtype == "nil" then
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if walldir ~= nil then
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if walldir then
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plantslib:dbg("Grow: place "..replacement.." at ("..dump(pos)..") on wall "..walldir)
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minetest.env:add_node(pos, { name = replacement, param2 = walldir})
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else
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