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Made a couple of perlin functions global so they aren't being redefined

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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 2013-02-23 00:34:03 -05:00
parent e261479923
commit 96df170e2d
1 changed files with 52 additions and 63 deletions
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115
plants_lib/init.lua
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@ -29,13 +29,18 @@ local humidity_octaves = 3
local humidity_persistence = 0.5 local humidity_persistence = 0.5
local humidity_scale = 250 local humidity_scale = 250
--PerlinNoise(seed, octaves, persistence, scale)
plantslib.perlin_temperature = PerlinNoise(temperature_seeddiff, temperature_octaves, temperature_persistence, temperature_scale)
plantslib.perlin_humidity = PerlinNoise(humidity_seeddiff, humidity_octaves, humidity_persistence, humidity_scale)
-- Local functions -- Local functions
math.randomseed(os.time()) math.randomseed(os.time())
function plantslib:is_node_loaded(node_pos) function plantslib:is_node_loaded(node_pos)
n = minetest.env:get_node_or_nil(node_pos) n = minetest.env:get_node_or_nil(node_pos)
if (n == nil) or (n.name == "ignore") then if (not n) or (n.name == "ignore") then
return false return false
end end
return true return true
@ -62,20 +67,20 @@ function plantslib:search_for_surfaces(minp, maxp, biomedef, node_or_function_or
local biome = biomedef local biome = biomedef
if biome.seed_diff == nil then biome.seed_diff = 0 end if not biome.seed_diff then biome.seed_diff = 0 end
if biome.neighbors == nil then biome.neighbors = biome.surface end if not biome.neighbors then biome.neighbors = biome.surface end
if biome.min_elevation == nil then biome.min_elevation = -31000 end if not biome.min_elevation then biome.min_elevation = -31000 end
if biome.max_elevation == nil then biome.max_elevation = 31000 end if not biome.max_elevation then biome.max_elevation = 31000 end
if biome.near_nodes_size == nil then biome.near_nodes_size = 0 end if not biome.near_nodes_size then biome.near_nodes_size = 0 end
if biome.near_nodes_count == nil then biome.near_nodes_count = 1 end if not biome.near_nodes_count then biome.near_nodes_count = 1 end
if biome.temp_min == nil then biome.temp_min = 1 end if not biome.temp_min then biome.temp_min = 1 end
if biome.temp_max == nil then biome.temp_max = -1 end if not biome.temp_max then biome.temp_max = -1 end
if biome.rarity == nil then biome.rarity = 50 end if not biome.rarity then biome.rarity = 50 end
if biome.max_count == nil then biome.max_count = 5 end if not biome.max_count then biome.max_count = 5 end
if biome.plantlife_limit == nil then biome.plantlife_limit = 0.1 end if not biome.plantlife_limit then biome.plantlife_limit = 0.1 end
if biome.near_nodes_vertical == nil then biome.near_nodes_vertical = 1 end if not biome.near_nodes_vertical then biome.near_nodes_vertical = 1 end
if biome.humidity_min == nil then biome.humidity_min = 1 end if not biome.humidity_min then biome.humidity_min = 1 end
if biome.humidity_max == nil then biome.humidity_max = -1 end if not biome.humidity_max then biome.humidity_max = -1 end
plantslib:dbg("Started checking generated mapblock volume...") plantslib:dbg("Started checking generated mapblock volume...")
local searchnodes = minetest.env:find_nodes_in_area(minp, maxp, biome.surface) local searchnodes = minetest.env:find_nodes_in_area(minp, maxp, biome.surface)
@ -85,12 +90,10 @@ function plantslib:search_for_surfaces(minp, maxp, biomedef, node_or_function_or
local pos = searchnodes[i] local pos = searchnodes[i]
local p_top = { x = pos.x, y = pos.y + 1, z = pos.z } local p_top = { x = pos.x, y = pos.y + 1, z = pos.z }
local perlin1 = minetest.env:get_perlin(biome.seed_diff, perlin_octaves, perlin_persistence, perlin_scale) local perlin1 = minetest.env:get_perlin(biome.seed_diff, perlin_octaves, perlin_persistence, perlin_scale)
local perlin2 = minetest.env:get_perlin(temperature_seeddiff, temperature_octaves, temperature_persistence, temperature_scale)
local perlin3 = minetest.env:get_perlin(humidity_seeddiff, humidity_octaves, humidity_persistence, humidity_scale)
local noise1 = perlin1:get2d({x=p_top.x, y=p_top.z}) local noise1 = perlin1:get2d({x=p_top.x, y=p_top.z})
local noise2 = perlin2:get2d({x=p_top.x, y=p_top.z}) local noise2 = plantslib.perlin_temperature:get2d({x=p_top.x, y=p_top.z})
local noise3 = perlin3:get2d({x=p_top.x+150, y=p_top.z+50}) local noise3 = plantslib.perlin_humidity:get2d({x=p_top.x+150, y=p_top.z+50})
if (biome.depth == nil or minetest.env:get_node({ x = pos.x, y = pos.y-biome.depth-1, z = pos.z }).name ~= biome.surface) if (not biome.depth or minetest.env:get_node({ x = pos.x, y = pos.y-biome.depth-1, z = pos.z }).name ~= biome.surface)
and minetest.env:get_node(p_top).name == "air" and minetest.env:get_node(p_top).name == "air"
and pos.y >= biome.min_elevation and pos.y >= biome.min_elevation
and pos.y <= biome.max_elevation and pos.y <= biome.max_elevation
@ -99,8 +102,8 @@ function plantslib:search_for_surfaces(minp, maxp, biomedef, node_or_function_or
and noise2 >= biome.temp_max and noise2 >= biome.temp_max
and noise3 <= biome.humidity_min and noise3 <= biome.humidity_min
and noise3 >= biome.humidity_max and noise3 >= biome.humidity_max
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) 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)
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) 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)
and math.random(1,100) > biome.rarity and math.random(1,100) > biome.rarity
then then
table.insert(in_biome_nodes, pos) table.insert(in_biome_nodes, pos)
@ -122,21 +125,10 @@ function plantslib:search_for_surfaces(minp, maxp, biomedef, node_or_function_or
spawned = true spawned = true
if type(node_or_function_or_model) == "table" then if type(node_or_function_or_model) == "table" then
plantslib:dbg("Spawn tree at {"..dump(pos).."}") plantslib:dbg("Spawn tree at {"..dump(pos).."}")
--[[
for v = 0,10 do
minetest.env:remove_node({ x = pos.x, y = pos.y + v, z = pos.z })
minetest.env:remove_node({ x = pos.x-1, y = pos.y + v, z = pos.z })
minetest.env:remove_node({ x = pos.x+1, y = pos.y + v, z = pos.z })
minetest.env:remove_node({ x = pos.x, y = pos.y + v, z = pos.z-1 })
minetest.env:remove_node({ x = pos.x, y = pos.y + v, z = pos.z+1 })
end
]]--
plantslib:generate_tree(pos, node_or_function_or_model) plantslib:generate_tree(pos, node_or_function_or_model)
elseif type(node_or_function_or_model) == "string" then elseif type(node_or_function_or_model) == "string" then
if minetest.registered_nodes[node_or_function_or_model] == nil then if not minetest.registered_nodes[node_or_function_or_model] then
plantslib:dbg("Call function: "..node_or_function_or_model.."("..dump(pos)..")") plantslib:dbg("Call function: "..node_or_function_or_model.."("..dump(pos)..")")
assert(loadstring(node_or_function_or_model.."("..dump(pos)..")"))() assert(loadstring(node_or_function_or_model.."("..dump(pos)..")"))()
else else
@ -175,19 +167,19 @@ function plantslib:spawn_on_surfaces(sd,sp,sr,sc,ss,sa)
biome = sd biome = sd
end end
if biome.seed_diff == nil then biome.seed_diff = 0 end if not biome.seed_diff then biome.seed_diff = 0 end
if biome.light_min == nil then biome.light_min = 0 end if not biome.light_min then biome.light_min = 0 end
if biome.light_max == nil then biome.light_max = 15 end if not biome.light_max then biome.light_max = 15 end
if biome.depth_max == nil then biome.depth_max = 1 end if not biome.depth_max then biome.depth_max = 1 end
if biome.min_elevation == nil then biome.min_elevation = -31000 end if not biome.min_elevation then biome.min_elevation = -31000 end
if biome.max_elevation == nil then biome.max_elevation = 31000 end if not biome.max_elevation then biome.max_elevation = 31000 end
if biome.temp_min == nil then biome.temp_min = 1 end if not biome.temp_min then biome.temp_min = 1 end
if biome.temp_max == nil then biome.temp_max = -1 end if not biome.temp_max then biome.temp_max = -1 end
if biome.humidity_min == nil then biome.humidity_min = 1 end if not biome.humidity_min then biome.humidity_min = 1 end
if biome.humidity_max == nil then biome.humidity_max = -1 end if not biome.humidity_max then biome.humidity_max = -1 end
if biome.plantlife_limit == nil then biome.plantlife_limit = 0.1 end if not biome.plantlife_limit then biome.plantlife_limit = 0.1 end
if biome.near_nodes_vertical == nil then biome.near_nodes_vertical = 1 end if not biome.near_nodes_vertical then biome.near_nodes_vertical = 1 end
if biome.facedir == nil then biome.facedir = 0 end if not biome.facedir then biome.facedir = 0 end
biome.spawn_plants_count = table.getn(biome.spawn_plants) biome.spawn_plants_count = table.getn(biome.spawn_plants)
@ -204,11 +196,9 @@ function plantslib:spawn_on_surfaces(sd,sp,sr,sc,ss,sa)
local p_top = { x = pos.x, y = pos.y + 1, z = pos.z } local p_top = { x = pos.x, y = pos.y + 1, z = pos.z }
local n_top = minetest.env:get_node(p_top) local n_top = minetest.env:get_node(p_top)
local perlin1 = minetest.env:get_perlin(biome.seed_diff, perlin_octaves, perlin_persistence, perlin_scale) local perlin1 = minetest.env:get_perlin(biome.seed_diff, perlin_octaves, perlin_persistence, perlin_scale)
local perlin2 = minetest.env:get_perlin(temperature_seeddiff, temperature_octaves, temperature_persistence, temperature_scale)
local perlin3 = minetest.env:get_perlin(humidity_seeddiff, humidity_octaves, humidity_persistence, humidity_scale)
local noise1 = perlin1:get2d({x=p_top.x, y=p_top.z}) local noise1 = perlin1:get2d({x=p_top.x, y=p_top.z})
local noise2 = perlin2:get2d({x=p_top.x, y=p_top.z}) local noise2 = plantslib.perlin_temperature:get2d({x=p_top.x, y=p_top.z})
local noise3 = perlin3:get2d({x=p_top.x, y=p_top.z}) local noise3 = plantslib.perlin_humidity:get2d({x=p_top.x+150, y=p_top.z+50})
if noise1 > biome.plantlife_limit if noise1 > biome.plantlife_limit
and noise2 <= biome.temp_min and noise2 <= biome.temp_min
and noise2 >= biome.temp_max and noise2 >= biome.temp_max
@ -216,7 +206,7 @@ function plantslib:spawn_on_surfaces(sd,sp,sr,sc,ss,sa)
and noise3 >= biome.humidity_max and noise3 >= biome.humidity_max
and plantslib:is_node_loaded(p_top) then and plantslib:is_node_loaded(p_top) then
local n_light = minetest.env:get_node_light(p_top, nil) local n_light = minetest.env:get_node_light(p_top, nil)
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) 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))
and n_light >= biome.light_min and n_light >= biome.light_min
and n_light <= biome.light_max and n_light <= biome.light_max
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 ) 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 )
@ -296,10 +286,10 @@ function plantslib:grow_plants(opts)
local options = opts local options = opts
if options.height_limit == nil then options.height_limit = 5 end if not options.height_limit then options.height_limit = 5 end
if options.ground_nodes == nil then options.ground_nodes = { "default:dirt_with_grass" } end if not options.ground_nodes then options.ground_nodes = { "default:dirt_with_grass" } end
if options.grow_nodes == nil then options.grow_nodes = { "default:dirt_with_grass" } end if not options.grow_nodes then options.grow_nodes = { "default:dirt_with_grass" } end
if options.seed_diff == nil then options.seed_diff = 0 end if not options.seed_diff then options.seed_diff = 0 end
plantslib:dbg("Registered growing ABM:") plantslib:dbg("Registered growing ABM:")
plantslib:dbg(dump(options)) plantslib:dbg(dump(options))
@ -315,7 +305,7 @@ function plantslib:grow_plants(opts)
local n_bot = minetest.env:get_node(p_bot) local n_bot = minetest.env:get_node(p_bot)
local root_node = minetest.env:get_node({x=pos.x, y=pos.y-options.height_limit, z=pos.z}) local root_node = minetest.env:get_node({x=pos.x, y=pos.y-options.height_limit, z=pos.z})
local walldir = nil local walldir = nil
if options.need_wall and options.verticals_list ~= nil then if options.need_wall and options.verticals_list then
walldir = plantslib:find_adjacent_wall(p_top, options.verticals_list) walldir = plantslib:find_adjacent_wall(p_top, options.verticals_list)
end end
if n_top.name == "air" and (not options.need_wall or (options.need_wall and walldir)) if n_top.name == "air" and (not options.need_wall or (options.need_wall and walldir))
@ -332,7 +322,7 @@ function plantslib:grow_plants(opts)
minetest.env:add_node(p_top, { name = options.grow_plant, param2 = walldir}) minetest.env:add_node(p_top, { name = options.grow_plant, param2 = walldir})
end end
elseif options.grow_result == nil and options.grow_function == nil then elseif not options.grow_result and not options.grow_function then
plantslib:dbg("Die: "..options.grow_plant.." at ("..dump(pos)..")") plantslib:dbg("Die: "..options.grow_plant.." at ("..dump(pos)..")")
minetest.env:remove_node(pos) minetest.env:remove_node(pos)
@ -356,15 +346,14 @@ function plantslib:replace_object(pos, replacement, grow_function, walldir, seed
plantslib:grow_tree(pos, grow_function) plantslib:grow_tree(pos, grow_function)
return return
elseif growtype == "string" then elseif growtype == "string" then
local perlin1 = minetest.env:get_perlin(seeddiff, perlin_octaves, perlin_persistence, perlin_scale) local perlin1 = minetest.env:get_perlin(biome.seed_diff, perlin_octaves, perlin_persistence, perlin_scale)
local perlin2 = minetest.env:get_perlin(temperature_seeddiff, temperature_octaves, temperature_persistence, temperature_scale) local noise1 = perlin1:get2d({x=p_top.x, y=p_top.z})
local noise1 = perlin1:get2d({x=pos.x, y=pos.z}) local noise2 = plantslib.perlin_temperature:get2d({x=p_top.x, y=p_top.z})
local noise2 = perlin2:get2d({x=pos.x, y=pos.z})
plantslib:dbg("Grow: call function "..grow_function.."("..dump(pos)..","..noise1..","..noise2..","..dump(walldir)..")") plantslib:dbg("Grow: call function "..grow_function.."("..dump(pos)..","..noise1..","..noise2..","..dump(walldir)..")")
assert(loadstring(grow_function.."("..dump(pos)..","..noise1..","..noise2..","..dump(walldir)..")"))() assert(loadstring(grow_function.."("..dump(pos)..","..noise1..","..noise2..","..dump(walldir)..")"))()
return return
elseif growtype == "nil" then elseif growtype == "nil" then
if walldir ~= nil then if walldir then
plantslib:dbg("Grow: place "..replacement.." at ("..dump(pos)..") on wall "..walldir) plantslib:dbg("Grow: place "..replacement.." at ("..dump(pos)..") on wall "..walldir)
minetest.env:add_node(pos, { name = replacement, param2 = walldir}) minetest.env:add_node(pos, { name = replacement, param2 = walldir})
else else