forked from mtcontrib/plantlife_modpack
functionalize the filter code
so that both types of mapgen routines can use the same subroutines. less code duplication that way.
This commit is contained in:
Vanessa Ezekowitz
parent
9bd5249c2d
commit
c1f7fb784b
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@ -182,6 +182,116 @@ function plantslib:register_generate_plant(biomedef, nodes_or_function_or_model)
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end
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end
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function plantslib:populate_surfaces(minp, maxp, blockseed, biome, nodes_or_function_or_model, surface_nodes, checkair)
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plantslib:set_defaults(biome)
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-- filter stage 1 - find nodes from the supplied surfaces that are within the current biome.
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local in_biome_nodes = {}
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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, #surface_nodes.blockhash do
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local pos = surface_nodes.blockhash[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 = plantslib.perlin_temperature:get2d({x=pos.x, y=pos.z})
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local noise3 = plantslib.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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if ((not biome.depth and string.find(biome_surfaces_string, minetest.get_node(pos).name)) or (biome.depth and not string.find(biome_surfaces_string, minetest.get_node({ x = pos.x, y = pos.y-biome.depth-1, z = pos.z }).name)))
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and (not checkair or minetest.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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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 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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in_biome_nodes[#in_biome_nodes + 1] = pos
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end
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end
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-- filter stage 2 - find places within that biome area to place the plants.
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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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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.remove_node(p_top)
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minetest.remove_node({x=p_top.x, y=p_top.y+1, z=p_top.z})
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end
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if biome.delete_above_surround then
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minetest.remove_node({x=p_top.x-1, y=p_top.y, z=p_top.z})
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minetest.remove_node({x=p_top.x+1, y=p_top.y, z=p_top.z})
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minetest.remove_node({x=p_top.x, y=p_top.y, z=p_top.z-1})
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minetest.remove_node({x=p_top.x, y=p_top.y, z=p_top.z+1})
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minetest.remove_node({x=p_top.x-1, y=p_top.y+1, z=p_top.z})
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minetest.remove_node({x=p_top.x+1, y=p_top.y+1, z=p_top.z})
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minetest.remove_node({x=p_top.x, y=p_top.y+1, z=p_top.z-1})
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minetest.remove_node({x=p_top.x, y=p_top.y+1, z=p_top.z+1})
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end
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if biome.spawn_replace_node then
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minetest.remove_node(pos)
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end
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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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plantslib:generate_tree(pos, 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.set_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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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.set_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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plantslib: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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end
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end
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-- Primary mapgen spawner, for mods that can work with air checking enabled on
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-- a surface during the initial map read stage.
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@ -189,12 +299,12 @@ function plantslib:generate_block_with_air_checking(minp, maxp, blockseed)
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return function(minp, maxp, blockseed)
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-- use the block hash as a unique key into the surface_nodes
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-- table, so that we can write the table thread-safely.
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-- table, so that we can write the table thread-safely later.
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local blockhash = minetest.hash_node_position(minp)
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local search_area = minetest.find_nodes_in_area(minp, maxp, plantslib.surfaces_list)
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-- search the generated block for surfaces
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-- search the generated block for air-bounded surfaces
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local surface_nodes = {}
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surface_nodes.blockhash = {}
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@ -208,244 +318,28 @@ function plantslib:generate_block_with_air_checking(minp, maxp, blockseed)
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end
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for action = 1, #plantslib.actions_list do
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local biome = plantslib.actions_list[action][1]
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local nodes_or_function_or_model = plantslib.actions_list[action][2]
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plantslib:set_defaults(biome)
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-- filter stage 1 - find nodes from the supplied surfaces that are within the current biome.
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local in_biome_nodes = {}
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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, #surface_nodes.blockhash do
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local pos = surface_nodes.blockhash[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 = plantslib.perlin_temperature:get2d({x=pos.x, y=pos.z})
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local noise3 = plantslib.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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if ((not biome.depth and string.find(biome_surfaces_string, minetest.get_node(pos).name)) or (biome.depth and not string.find(biome_surfaces_string, minetest.get_node({ x = pos.x, y = pos.y-biome.depth-1, z = pos.z }).name)))
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and minetest.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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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 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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in_biome_nodes[#in_biome_nodes + 1] = pos
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end
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end
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-- filter stage 2 - find places within that biome area to place the plants.
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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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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.remove_node(p_top)
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minetest.remove_node({x=p_top.x, y=p_top.y+1, z=p_top.z})
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end
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if biome.delete_above_surround then
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minetest.remove_node({x=p_top.x-1, y=p_top.y, z=p_top.z})
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minetest.remove_node({x=p_top.x+1, y=p_top.y, z=p_top.z})
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minetest.remove_node({x=p_top.x, y=p_top.y, z=p_top.z-1})
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minetest.remove_node({x=p_top.x, y=p_top.y, z=p_top.z+1})
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minetest.remove_node({x=p_top.x-1, y=p_top.y+1, z=p_top.z})
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minetest.remove_node({x=p_top.x+1, y=p_top.y+1, z=p_top.z})
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minetest.remove_node({x=p_top.x, y=p_top.y+1, z=p_top.z-1})
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minetest.remove_node({x=p_top.x, y=p_top.y+1, z=p_top.z+1})
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end
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if biome.spawn_replace_node then
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minetest.remove_node(pos)
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end
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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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plantslib:generate_tree(pos, 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.set_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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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.set_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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plantslib: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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end
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plantslib:populate_surfaces(minp, maxp, blockseed, plantslib.actions_list[action][1],
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plantslib.actions_list[action][2], surface_nodes, true) -- [1] is biome, [2] is node/function/model
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end
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end
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end
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-- Separate copy of the mapgen spawner, for mods that require disabling of
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-- Secondary mapgen spawner, for mods that require disabling of
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-- checking for air during the initial map read stage.
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function plantslib:generate_block_no_air_check(minp, maxp, blockseed)
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return function(minp, maxp, blockseed)
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-- use the block hash as a unique key into the surface_nodes
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-- table, so that we can write the table thread-safely.
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local blockhash = minetest.hash_node_position(minp)
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-- read the generated block into the block cache, filtered for "surfaces"
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-- read the generated block directly into the block cache, filtered just for "surfaces"
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local surface_nodes = {}
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surface_nodes.blockhash = minetest.find_nodes_in_area(minp, maxp, plantslib.surfaces_list_noaircheck)
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for action = 1, #plantslib.actions_list_noaircheck do
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local biome = plantslib.actions_list_noaircheck[action][1]
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local nodes_or_function_or_model = plantslib.actions_list_noaircheck[action][2]
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plantslib:set_defaults(biome)
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-- filter stage 1 - find nodes from the supplied surfaces that are within the current biome.
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local in_biome_nodes = {}
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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, #surface_nodes.blockhash do
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local pos = surface_nodes.blockhash[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 = plantslib.perlin_temperature:get2d({x=pos.x, y=pos.z})
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local noise3 = plantslib.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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if ((not biome.depth and string.find(biome_surfaces_string, minetest.get_node(pos).name)) or (biome.depth and not string.find(biome_surfaces_string, minetest.get_node({ x = pos.x, y = pos.y-biome.depth-1, z = pos.z }).name)))
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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 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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in_biome_nodes[#in_biome_nodes + 1] = pos
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end
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end
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-- filter stage 2 - find places within that biome area to place the plants.
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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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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.remove_node(p_top)
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minetest.remove_node({x=p_top.x, y=p_top.y+1, z=p_top.z})
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end
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if biome.delete_above_surround then
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minetest.remove_node({x=p_top.x-1, y=p_top.y, z=p_top.z})
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minetest.remove_node({x=p_top.x+1, y=p_top.y, z=p_top.z})
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minetest.remove_node({x=p_top.x, y=p_top.y, z=p_top.z-1})
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minetest.remove_node({x=p_top.x, y=p_top.y, z=p_top.z+1})
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|
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minetest.remove_node({x=p_top.x-1, y=p_top.y+1, z=p_top.z})
|
||||
minetest.remove_node({x=p_top.x+1, y=p_top.y+1, z=p_top.z})
|
||||
minetest.remove_node({x=p_top.x, y=p_top.y+1, z=p_top.z-1})
|
||||
minetest.remove_node({x=p_top.x, y=p_top.y+1, z=p_top.z+1})
|
||||
end
|
||||
|
||||
if biome.spawn_replace_node then
|
||||
minetest.remove_node(pos)
|
||||
end
|
||||
|
||||
local objtype = type(nodes_or_function_or_model)
|
||||
|
||||
if objtype == "table" then
|
||||
if nodes_or_function_or_model.axiom then
|
||||
plantslib:generate_tree(pos, nodes_or_function_or_model)
|
||||
spawned = true
|
||||
else
|
||||
local fdir = nil
|
||||
if biome.random_facedir then
|
||||
fdir = math.random(biome.random_facedir[1], biome.random_facedir[2])
|
||||
end
|
||||
minetest.set_node(p_top, { name = nodes_or_function_or_model[math.random(#nodes_or_function_or_model)], param2 = fdir })
|
||||
spawned = true
|
||||
end
|
||||
elseif objtype == "string" and
|
||||
minetest.registered_nodes[nodes_or_function_or_model] then
|
||||
local fdir = nil
|
||||
if biome.random_facedir then
|
||||
fdir = math.random(biome.random_facedir[1], biome.random_facedir[2])
|
||||
end
|
||||
minetest.set_node(p_top, { name = nodes_or_function_or_model, param2 = fdir })
|
||||
spawned = true
|
||||
elseif objtype == "function" then
|
||||
nodes_or_function_or_model(pos)
|
||||
spawned = true
|
||||
elseif objtype == "string" and pcall(loadstring(("return %s(...)"):
|
||||
format(nodes_or_function_or_model)),pos) then
|
||||
spawned = true
|
||||
else
|
||||
plantslib:dbg("Warning: Ignored invalid definition for object "..dump(nodes_or_function_or_model).." that was pointed at {"..dump(pos).."}")
|
||||
end
|
||||
else
|
||||
tries = tries + 1
|
||||
end
|
||||
end
|
||||
end
|
||||
end
|
||||
plantslib:populate_surfaces(minp, maxp, blockseed, plantslib.actions_list_noaircheck[action][1],
|
||||
plantslib.actions_list_noaircheck[action][2], surface_nodes, false)
|
||||
end
|
||||
end
|
||||
end
|
||||
|
|
|
|||
Loading…
Reference in New Issue