diverse biomes
NatureFreshMilk
parent
bd860d4fc9
commit
d4631472fc
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@ -0,0 +1,18 @@
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minetest.register_node("planet_mars:airlight", {
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description = "Air (with light)",
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inventory_image = "air.png",
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wield_image = "air.png",
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drawtype = "airlike",
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paramtype = "light",
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sunlight_propagates = true,
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walkable = false,
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pointable = false,
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diggable = false,
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buildable_to = true,
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floodable = true,
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air_equivalent = true,
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drop = "",
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groups = {not_in_creative_inventory=1, not_blocking_trains=1},
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light_source = minetest.LIGHT_MAX
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})
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1
init.lua
1
init.lua
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@ -14,6 +14,7 @@ planet_mars = {
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}
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local MP = minetest.get_modpath("planet_mars")
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dofile(MP.."/airlight.lua")
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dofile(MP.."/nodes.lua")
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dofile(MP.."/ores.lua")
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dofile(MP.."/mapgen.lua")
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57
mapgen.lua
57
mapgen.lua
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@ -25,7 +25,6 @@ local mountain_params = {
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persist = 0.5
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}
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-- clay noise
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local cave_params = {
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offset = 0,
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@ -36,17 +35,29 @@ local cave_params = {
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persist = 0.5
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}
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-- cave biomes
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local biome_params = {
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offset = 0,
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scale = 5,
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spread = {x=256, y=256, z=256},
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seed = 5477835,
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octaves = 2,
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persist = 0.5
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}
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local c_base = minetest.get_content_id("default:desert_stone")
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local c_stone = minetest.get_content_id("default:desert_stone")
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local c_sand = minetest.get_content_id("default:desert_sand")
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-- local c_dirt = minetest.get_content_id("default:dirt")
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local c_dirt_with_grass = minetest.get_content_id("default:dirt_with_grass")
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local c_meselamp = minetest.get_content_id("default:meselamp")
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local c_dirt_with_rainforest_litter = minetest.get_content_id("default:dirt_with_rainforest_litter")
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local c_dirt_with_dry_grass = minetest.get_content_id("default:dirt_with_dry_grass")
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local c_dirt_with_coniferous_litter = minetest.get_content_id("default:dirt_with_coniferous_litter")
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local c_dirt_with_snow = minetest.get_content_id("default:dirt_with_snow")
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local c_air = minetest.get_content_id("air")
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local c_airlight = minetest.get_content_id("planet_mars:airlight")
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local c_vacuum = c_air
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if has_vacuum_mod then
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@ -66,11 +77,13 @@ local y_height = planet_mars.y_height
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local height_perlin
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local mountain_perlin
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local cave_perlin
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local biome_perlin
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-- reuse maps
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local height_perlin_map = {}
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local mountain_perlin_map = {}
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local cave_perlin_map = {}
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local biome_perlin_map = {}
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minetest.register_on_generated(function(minp, maxp, seed)
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@ -88,13 +101,16 @@ minetest.register_on_generated(function(minp, maxp, seed)
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height_perlin = height_perlin or minetest.get_perlin_map(height_params, map_lengths_xyz)
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mountain_perlin = mountain_perlin or minetest.get_perlin_map(mountain_params, map_lengths_xyz)
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biome_perlin = biome_perlin or minetest.get_perlin_map(biome_params, map_lengths_xyz)
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cave_perlin = cave_perlin or minetest.get_perlin_map(cave_params, map_lengths_xyz)
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height_perlin:get2dMap_flat({x=minp.x, y=minp.z}, height_perlin_map)
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mountain_perlin:get2dMap_flat({x=minp.x, y=minp.z}, mountain_perlin_map)
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biome_perlin:get2dMap_flat({x=minp.x, y=minp.z}, biome_perlin_map)
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cave_perlin:get3dMap_flat(minp, cave_perlin_map)
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-- TODO: surface/cave y-check for perfomance
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local perlin_index = 1
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for z=minp.z,maxp.z do
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@ -140,7 +156,7 @@ minetest.register_on_generated(function(minp, maxp, seed)
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perlin_index = 1
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-- generate ores
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-- generate caves
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for z=minp.z,maxp.z do
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for y=minp.y,maxp.y do
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for x=minp.x,maxp.x do
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@ -157,15 +173,32 @@ minetest.register_on_generated(function(minp, maxp, seed)
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if is_cave and is_deep then
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-- caves only deep below
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if is_cave_dirt then
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-- cave with dirt and lamps
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if math.random(0, 15) == 1 then
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data[index] = c_meselamp
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else
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-- normalized factor from 0...1
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local biome_perlin_factor = math.min(1, math.abs( biome_perlin_map[perlin_index] * 0.1 ) )
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if biome_perlin_factor > 0.9 then
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data[index] = c_sand
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elseif biome_perlin_factor > 0.7 then
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data[index] = c_dirt_with_dry_grass
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elseif biome_perlin_factor > 0.5 then
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data[index] = c_dirt_with_coniferous_litter
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elseif biome_perlin_factor > 0.4 then
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data[index] = c_dirt_with_rainforest_litter
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elseif biome_perlin_factor > 0.1 then
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data[index] = c_dirt_with_grass
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else
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data[index] = c_dirt_with_snow
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end
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else
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-- cave with air
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data[index] = c_air
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if math.random(0, 5) == 1 then
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-- light source
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data[index] = c_airlight
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else
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data[index] = c_air
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end
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end
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end
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