forked from mtcontrib/biome_lib
Cleanup ABM callback
This commit is contained in:
SmallJoker
142
init.lua
142
init.lua
@@ -566,59 +566,97 @@ function biome_lib:spawn_on_surfaces(sd,sp,sr,sc,ss,sa)
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local noise1 = perlin_fertile_area:get2d({x=p_top.x, y=p_top.z})
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local noise2 = biome_lib.perlin_temperature:get2d({x=p_top.x, y=p_top.z})
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local noise3 = biome_lib.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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and noise3 <= biome.humidity_min
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and noise3 >= biome.humidity_max
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and biome_lib:is_node_loaded(p_top) then
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local n_light = minetest.get_node_light(p_top, nil)
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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))
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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 #(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 and biome.near_nodes_count and biome.near_nodes_size) 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 (not(biome.air_count and biome.air_size) or #(minetest.find_nodes_in_area({x=p_top.x-biome.air_size, y=p_top.y, z=p_top.z-biome.air_size}, {x=p_top.x+biome.air_size, y=p_top.y, z=p_top.z+biome.air_size}, "air")) >= biome.air_count)
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and pos.y >= biome.min_elevation
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and pos.y <= biome.max_elevation
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then
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local walldir = biome_lib:find_adjacent_wall(p_top, biome.verticals_list, biome.choose_random_wall)
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if biome.alt_wallnode and walldir then
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if n_top.name == "air" then
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minetest.swap_node(p_top, { name = biome.alt_wallnode, param2 = walldir })
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end
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else
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local currentsurface = minetest.get_node(pos).name
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if currentsurface ~= "default:water_source"
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or (currentsurface == "default:water_source" and #(minetest.find_nodes_in_area({x=pos.x, y=pos.y-biome.depth_max-1, z=pos.z}, {x=pos.x, y=pos.y, z=pos.z}, {"default:dirt", "default:dirt_with_grass", "default:sand"})) > 0 )
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then
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local rnd = math.random(1, biome.spawn_plants_count)
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local plant_to_spawn = biome.spawn_plants[rnd]
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local fdir = biome.facedir
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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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if type(biome.spawn_plants) == "string" then
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assert(loadstring(biome.spawn_plants.."(...)"))(pos)
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elseif not biome.spawn_on_side and not biome.spawn_on_bottom and not biome.spawn_replace_node then
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if n_top.name == "air" then
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minetest.swap_node(p_top, { name = plant_to_spawn, param2 = fdir })
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end
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elseif biome.spawn_replace_node then
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minetest.swap_node(pos, { name = plant_to_spawn, param2 = fdir })
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elseif biome.spawn_on_side then
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local onside = biome_lib:find_open_side(pos)
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if onside then
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minetest.swap_node(onside.newpos, { name = plant_to_spawn, param2 = onside.facedir })
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end
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elseif biome.spawn_on_bottom then
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if minetest.get_node({x=pos.x, y=pos.y-1, z=pos.z}).name == "air" then
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minetest.swap_node({x=pos.x, y=pos.y-1, z=pos.z}, { name = plant_to_spawn, param2 = fdir} )
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end
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end
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end
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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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and biome_lib:is_node_loaded(p_top)
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if not pos_biome_ok then
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return -- Outside of biome
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end
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local n_light = minetest.get_node_light(p_top, nil)
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if n_light < biome.light_min or n_light > biome.light_max then
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return -- Too dark or too bright
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end
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if biome.avoid_nodes and biome.avoid_radius and minetest.find_node_near(
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p_top, biome.avoid_radius + math.random(-1.5,2), biome.avoid_nodes) then
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return -- Nodes to avoid are nearby
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end
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if biome.neighbors and 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 -- Near neighbour nodes are not present
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end
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local NEAR_DST = biome.near_nodes_size
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if biome.near_nodes and biome.near_nodes_count and biome.near_nodes_size and
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#minetest.find_nodes_in_area(
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{x=pos.x-NEAR_DST, y=pos.y-biome.near_nodes_vertical, z=pos.z-NEAR_DST},
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{x=pos.x+NEAR_DST, y=pos.y+biome.near_nodes_vertical, z=pos.z+NEAR_DST},
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biome.near_nodes
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) < biome.near_nodes_count then
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return -- Far neighbour nodes are not present
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end
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if (biome.air_count and biome.air_size) and
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#minetest.find_nodes_in_area(
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{x=p_top.x-biome.air_size, y=p_top.y, z=p_top.z-biome.air_size},
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{x=p_top.x+biome.air_size, y=p_top.y, z=p_top.z+biome.air_size},
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"air"
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) < biome.air_count then
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return -- Not enough air
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end
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local walldir = biome_lib:find_adjacent_wall(p_top, biome.verticals_list, biome.choose_random_wall)
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if biome.alt_wallnode and walldir then
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if n_top.name == "air" then
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minetest.swap_node(p_top, { name = biome.alt_wallnode, param2 = walldir })
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end
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return
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end
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local currentsurface = minetest.get_node(pos).name
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if currentsurface == "default:water_source" and
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#minetest.find_nodes_in_area(
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{x=pos.x, y=pos.y-biome.depth_max-1, z=pos.z},
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vector.copy(pos),
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{"default:dirt", "default:dirt_with_grass", "default:sand"}
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) == 0 then
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return -- On water but no ground nearby
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end
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local rnd = math.random(1, biome.spawn_plants_count)
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local plant_to_spawn = biome.spawn_plants[rnd]
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local fdir = biome.facedir
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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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if type(biome.spawn_plants) == "string" then
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assert(loadstring(biome.spawn_plants.."(...)"))(pos)
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elseif not biome.spawn_on_side and not biome.spawn_on_bottom and not biome.spawn_replace_node then
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if n_top.name == "air" then
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minetest.swap_node(p_top, { name = plant_to_spawn, param2 = fdir })
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end
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elseif biome.spawn_replace_node then
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minetest.swap_node(pos, { name = plant_to_spawn, param2 = fdir })
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elseif biome.spawn_on_side then
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local onside = biome_lib:find_open_side(pos)
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if onside then
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minetest.swap_node(onside.newpos, { name = plant_to_spawn, param2 = onside.facedir })
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end
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elseif biome.spawn_on_bottom then
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if minetest.get_node({x=pos.x, y=pos.y-1, z=pos.z}).name == "air" then
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minetest.swap_node({x=pos.x, y=pos.y-1, z=pos.z}, { name = plant_to_spawn, param2 = fdir} )
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end
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end
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end
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