833 lines
25 KiB
Lua
833 lines
25 KiB
Lua
local WITCH_HUT_HEIGHT = 3 -- Exact Y level to spawn witch huts at. This height refers to the height of the floor
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local function register_mgv6_decorations()
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-- Cacti
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minetest.register_decoration({
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deco_type = "simple",
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place_on = {"group:sand"},
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sidelen = 16,
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noise_params = {
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offset = -0.012,
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scale = 0.024,
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spread = {x = 100, y = 100, z = 100},
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seed = 257,
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octaves = 3,
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persist = 0.6
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},
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y_min = 4,
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y_max = mcl_vars.mg_overworld_max,
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decoration = "mcl_core:cactus",
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height = 1,
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height_max = 3,
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})
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-- Sugar canes
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minetest.register_decoration({
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deco_type = "simple",
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place_on = {"mcl_core:dirt", "mcl_core:coarse_dirt", "group:grass_block_no_snow", "group:sand", "mcl_core:podzol", "mcl_core:reeds"},
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sidelen = 16,
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noise_params = {
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offset = -0.3,
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scale = 0.7,
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spread = {x = 100, y = 100, z = 100},
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seed = 465,
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octaves = 3,
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persist = 0.7
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},
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y_min = 1,
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y_max = mcl_vars.mg_overworld_max,
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decoration = "mcl_core:reeds",
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height = 1,
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height_max = 3,
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spawn_by = { "mcl_core:water_source", "group:frosted_ice" },
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num_spawn_by = 1,
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})
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-- Doubletall grass
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minetest.register_decoration({
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deco_type = "schematic",
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schematic = {
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size = { x=1, y=3, z=1 },
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data = {
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{ name = "air", prob = 0 },
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{ name = "mcl_flowers:double_grass", param1 = 255, },
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{ name = "mcl_flowers:double_grass_top", param1 = 255, },
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},
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},
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place_on = {"group:grass_block_no_snow"},
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sidelen = 8,
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noise_params = {
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offset = -0.0025,
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scale = 0.03,
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spread = {x = 100, y = 100, z = 100},
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seed = 420,
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octaves = 3,
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persist = 0.0,
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},
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y_min = 1,
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y_max = mcl_vars.mg_overworld_max,
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})
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-- Large ferns
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minetest.register_decoration({
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deco_type = "schematic",
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schematic = {
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size = { x=1, y=3, z=1 },
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data = {
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{ name = "air", prob = 0 },
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{ name = "mcl_flowers:double_fern", param1=255, },
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{ name = "mcl_flowers:double_fern_top", param1=255, },
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},
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},
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-- v6 hack: This makes sure large ferns only appear in jungles
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spawn_by = { "mcl_core:jungletree", "mcl_flowers:fern" },
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num_spawn_by = 1,
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place_on = {"group:grass_block_no_snow"},
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sidelen = 16,
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noise_params = {
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offset = 0,
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scale = 0.01,
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spread = {x = 250, y = 250, z = 250},
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seed = 333,
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octaves = 2,
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persist = 0.66,
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},
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y_min = 1,
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y_max = mcl_vars.mg_overworld_max,
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})
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-- Large flowers
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local function register_large_flower(name, seed, offset)
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minetest.register_decoration({
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deco_type = "schematic",
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schematic = {
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size = { x=1, y=3, z=1 },
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data = {
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{ name = "air", prob = 0 },
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{ name = "mcl_flowers:"..name, param1=255, },
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{ name = "mcl_flowers:"..name.."_top", param1=255, },
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},
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},
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place_on = {"group:grass_block_no_snow"},
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sidelen = 16,
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noise_params = {
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offset = offset,
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scale = 0.01,
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spread = {x = 300, y = 300, z = 300},
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seed = seed,
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octaves = 5,
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persist = 0.62,
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},
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y_min = 1,
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y_max = mcl_vars.overworld_max,
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flags = "",
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})
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end
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register_large_flower("rose_bush", 9350, -0.008)
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register_large_flower("peony", 10450, -0.008)
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register_large_flower("lilac", 10600, -0.007)
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register_large_flower("sunflower", 2940, -0.005)
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-- Lily pad
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minetest.register_decoration({
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deco_type = "schematic",
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schematic = {
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size = { x=1, y=3, z=1 },
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data = {
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{ name = "mcl_core:water_source", prob = 0 },
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{ name = "mcl_core:water_source" },
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{ name = "mcl_flowers:waterlily", param1 = 255 },
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},
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},
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place_on = "mcl_core:dirt",
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sidelen = 16,
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noise_params = {
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offset = -0.12,
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scale = 0.3,
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spread = {x = 200, y = 200, z = 200},
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seed = 503,
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octaves = 6,
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persist = 0.7,
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},
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y_min = 0,
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y_max = 0,
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rotation = "random",
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})
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-- Pumpkin
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minetest.register_decoration({
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deco_type = "simple",
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decoration = "mcl_farming:pumpkin",
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param2 = 0,
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param2_max = 3,
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place_on = {"group:grass_block_no_snow"},
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sidelen = 16,
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noise_params = {
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offset = -0.008,
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scale = 0.00666,
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spread = {x = 250, y = 250, z = 250},
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seed = 666,
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octaves = 6,
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persist = 0.666
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},
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y_min = 1,
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y_max = mcl_vars.overworld_max,
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})
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-- Melon
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minetest.register_decoration({
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deco_type = "simple",
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place_on = {"group:grass_block_no_snow"},
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sidelen = 16,
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noise_params = {
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offset = 0.002,
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scale = 0.006,
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spread = {x = 250, y = 250, z = 250},
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seed = 333,
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octaves = 3,
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persist = 0.6
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},
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-- Small trick to make sure melon spawn in jungles
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spawn_by = { "mcl_core:jungletree", "mcl_flowers:fern" },
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num_spawn_by = 1,
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y_min = 1,
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y_max = 40,
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decoration = "mcl_farming:melon",
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})
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-- Tall grass
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minetest.register_decoration({
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deco_type = "simple",
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place_on = {"group:grass_block_no_snow"},
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sidelen = 8,
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noise_params = {
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offset = 0.01,
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scale = 0.3,
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spread = {x = 100, y = 100, z = 100},
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seed = 420,
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octaves = 3,
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persist = 0.6
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},
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y_min = 1,
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y_max = mcl_vars.overworld_max,
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decoration = "mcl_flowers:tallgrass",
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})
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minetest.register_decoration({
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deco_type = "simple",
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place_on = {"group:grass_block_no_snow"},
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sidelen = 8,
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noise_params = {
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offset = 0.04,
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scale = 0.03,
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spread = {x = 100, y = 100, z = 100},
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seed = 420,
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octaves = 3,
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persist = 0.6
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},
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y_min = 1,
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y_max = mcl_vars.overworld_max,
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decoration = "mcl_flowers:tallgrass",
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})
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-- Seagrass and kelp
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local materials = {"dirt","sand"}
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for i=1, #materials do
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local mat = materials[i]
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minetest.register_decoration({
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deco_type = "simple",
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spawn_by = {"group:water"},
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num_spawn_by = 1,
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place_on = {"mcl_core:"..mat},
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sidelen = 8,
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noise_params = {
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offset = 0.04,
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scale = 0.3,
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spread = {x = 100, y = 100, z = 100},
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seed = 421,
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octaves = 3,
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persist = 0.6
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},
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flags = "force_placement",
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place_offset_y = -1,
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y_min = mcl_vars.overworld_min,
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y_max = 0,
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decoration = "mcl_ocean:seagrass_"..mat,
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})
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minetest.register_decoration({
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deco_type = "simple",
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spawn_by = {"group:water"},
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num_spawn_by = 1,
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place_on = {"mcl_core:mat"},
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sidelen = 8,
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noise_params = {
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offset = 0.08,
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scale = 0.03,
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spread = {x = 100, y = 100, z = 100},
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seed = 421,
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octaves = 3,
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persist = 0.6
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},
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flags = "force_placement",
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place_offset_y = -1,
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y_min = mcl_vars.overworld_min,
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y_max = -5,
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decoration = "mcl_ocean:seagrass_"..mat,
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})
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minetest.register_decoration({
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deco_type = "simple",
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spawn_by = {"group:water"},
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num_spawn_by = 1,
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place_on = {"mcl_core:"..mat},
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sidelen = 16,
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noise_params = {
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offset = 0.01,
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scale = 0.01,
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spread = {x = 300, y = 300, z = 300},
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seed = 505,
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octaves = 5,
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persist = 0.62,
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},
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flags = "force_placement",
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place_offset_y = -1,
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y_min = mcl_vars.overworld_min,
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y_max = -6,
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decoration = "mcl_ocean:kelp_"..mat,
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param2 = 16,
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param2_max = 96,
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})
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minetest.register_decoration({
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deco_type = "simple",
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spawn_by = {"group:water"},
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num_spawn_by = 1,
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place_on = {"mcl_core:"..mat},
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sidelen = 16,
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noise_params = {
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offset = 0.01,
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scale = 0.01,
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spread = {x = 100, y = 100, z = 100},
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seed = 506,
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octaves = 5,
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persist = 0.62,
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},
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flags = "force_placement",
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place_offset_y = -1,
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y_min = mcl_vars.overworld_min,
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y_max = -15,
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decoration = "mcl_ocean:kelp_"..mat,
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param2 = 32,
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param2_max = 160,
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})
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end
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-- Wet Sponge
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-- TODO: Remove this when we got ocean monuments
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minetest.register_decoration({
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deco_type = "simple",
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decoration = "mcl_sponges:sponge_wet",
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spawn_by = {"group:water"},
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num_spawn_by = 1,
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place_on = {"mcl_core:dirt","mcl_core:sand"},
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sidelen = 16,
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noise_params = {
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offset = 0.00295,
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scale = 0.006,
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spread = {x = 250, y = 250, z = 250},
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seed = 999,
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octaves = 3,
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persist = 0.666
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},
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flags = "force_placement",
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y_min = mcl_vars.mg_lava_overworld_max + 5,
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y_max = -20,
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})
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-- Add a small amount of tall grass everywhere to avoid areas completely empty devoid of tall grass
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minetest.register_decoration({
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deco_type = "simple",
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place_on = {"group:grass_block_no_snow"},
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sidelen = 8,
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fill_ratio = 0.004,
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y_min = 1,
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y_max = mcl_vars.overworld_max,
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decoration = "mcl_flowers:tallgrass",
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})
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local mushrooms = {"mcl_mushrooms:mushroom_red", "mcl_mushrooms:mushroom_brown"}
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local mseeds = { 7133, 8244 }
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for m=1, #mushrooms do
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-- Mushrooms next to trees
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minetest.register_decoration({
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deco_type = "simple",
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place_on = {"group:grass_block_no_snow", "mcl_core:dirt", "mcl_core:podzol", "mcl_core:mycelium", "mcl_core:stone", "mcl_core:andesite", "mcl_core:diorite", "mcl_core:granite"},
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sidelen = 16,
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noise_params = {
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offset = 0.04,
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scale = 0.04,
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spread = {x = 100, y = 100, z = 100},
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seed = mseeds[m],
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octaves = 3,
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persist = 0.6
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},
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y_min = 1,
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y_max = mcl_vars.mg_overworld_max,
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decoration = mushrooms[m],
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spawn_by = { "mcl_core:tree", "mcl_core:sprucetree", "mcl_core:darktree", "mcl_core:birchtree", },
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num_spawn_by = 1,
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})
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end
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-- Dead bushes
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minetest.register_decoration({
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deco_type = "simple",
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place_on = {"group:sand", "mcl_core:podzol", "mcl_core:dirt", "mcl_core:coarse_dirt", "group:hardened_clay"},
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sidelen = 16,
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noise_params = {
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offset = 0,
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scale = 0.035,
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spread = {x = 100, y = 100, z = 100},
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seed = 1972,
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octaves = 3,
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persist = 0.6
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},
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y_min = 4,
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y_max = mcl_vars.mg_overworld_max,
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decoration = "mcl_core:deadbush",
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})
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local function register_mgv6_flower(name, seed, offset, y_max)
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if offset == nil then
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offset = 0
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end
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if y_max == nil then
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y_max = mcl_vars.mg_overworld_max
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end
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minetest.register_decoration({
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deco_type = "simple",
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place_on = {"group:grass_block_no_snow"},
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sidelen = 16,
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noise_params = {
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offset = offset,
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scale = 0.006,
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spread = {x = 100, y = 100, z = 100},
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seed = seed,
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octaves = 3,
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persist = 0.6
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},
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y_min = 1,
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y_max = y_max,
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decoration = "mcl_flowers:"..name,
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})
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end
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register_mgv6_flower("tulip_red", 436)
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register_mgv6_flower("tulip_orange", 536)
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register_mgv6_flower("tulip_pink", 636)
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register_mgv6_flower("tulip_white", 736)
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register_mgv6_flower("azure_bluet", 800)
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register_mgv6_flower("dandelion", 8)
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-- Allium is supposed to only appear in flower forest in MC. There are no flower forests in v6.
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-- We compensate by making it slightly rarer in v6.
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register_mgv6_flower("allium", 0, -0.001)
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--[[ Blue orchid is supposed to appear in swamplands. There are no swamplands in v6.
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We emulate swamplands by limiting the height to 5 levels above sea level,
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which should be close to the water. ]]
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register_mgv6_flower("blue_orchid", 64500, nil, mcl_worlds.layer_to_y(67))
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register_mgv6_flower("oxeye_daisy", 3490)
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register_mgv6_flower("poppy", 9439)
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-- Put top snow on snowy grass blocks. The v6 mapgen does not generate the top snow on its own.
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minetest.register_decoration({
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deco_type = "simple",
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place_on = {"group:grass_block_snow"},
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sidelen = 16,
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fill_ratio = 11.0, -- complete coverage
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y_min = 1,
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y_max = mcl_vars.mg_overworld_max,
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decoration = "mcl_core:snow",
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})
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end
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register_mgv6_decorations()
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local function generate_mgv6_structures()
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local chunk_has_igloo = false
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local struct_min, struct_max = -3, 111 --64
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--except end exit portall all v6
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if maxp.y >= struct_min and minp.y <= struct_max then
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-- Generate structures
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local pr = PcgRandom(blockseed)
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perlin_structures = perlin_structures or minetest.get_perlin(329, 3, 0.6, 100)
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-- Assume X and Z lengths are equal
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local divlen = 5
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for x0 = minp.x, maxp.x, divlen do for z0 = minp.z, maxp.z, divlen do
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-- Determine amount from perlin noise
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local amount = math.floor(perlin_structures:get_2d({x=x0, y=z0}) * 9)
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-- Find random positions based on this random
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local p, ground_y
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for i=0, amount do
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p = {x = pr:next(x0, x0+divlen-1), y = 0, z = pr:next(z0, z0+divlen-1)}
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-- Find ground level
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ground_y = nil
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local nn
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for y = struct_max, struct_min, -1 do
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p.y = y
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local checknode = minetest.get_node(p)
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if checknode then
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nn = checknode.name
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local def = minetest.registered_nodes[nn]
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if def and def.walkable then
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ground_y = y
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break
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end
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end
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end
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if ground_y then
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p.y = ground_y+1
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local nn0 = minetest.get_node(p).name
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-- Check if the node can be replaced
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if minetest.registered_nodes[nn0] and minetest.registered_nodes[nn0].buildable_to then
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-- Igloos
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if not chunk_has_igloo and (nn == "mcl_core:snowblock" or nn == "mcl_core:snow" or (minetest.get_item_group(nn, "grass_block_snow") == 1)) then
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if pr:next(1, 4400) == 1 then
|
|
-- Check surface
|
|
local floor = {x=p.x+9, y=p.y-1, z=p.z+9}
|
|
local surface = minetest.find_nodes_in_area({x=p.x,y=p.y-1,z=p.z}, floor, "mcl_core:snowblock")
|
|
local surface2 = minetest.find_nodes_in_area({x=p.x,y=p.y-1,z=p.z}, floor, "mcl_core:dirt_with_grass_snow")
|
|
if #surface + #surface2 >= 63 then
|
|
mcl_structures.call_struct(p, "igloo", nil, pr)
|
|
chunk_has_igloo = true
|
|
end
|
|
end
|
|
end
|
|
|
|
-- Fossil
|
|
if nn == "mcl_core:sandstone" or nn == "mcl_core:sand" and not chunk_has_desert_temple and ground_y > 3 then
|
|
local fossil_prob = minecraft_chunk_probability(64, minp, maxp)
|
|
|
|
if pr:next(1, fossil_prob) == 1 then
|
|
-- Spawn fossil below desert surface between layers 40 and 49
|
|
local p1 = {x=p.x, y=pr:next(mcl_worlds.layer_to_y(40), mcl_worlds.layer_to_y(49)), z=p.z}
|
|
-- Very rough check of the environment (we expect to have enough stonelike nodes).
|
|
-- Fossils may still appear partially exposed in caves, but this is O.K.
|
|
local p2 = vector.add(p1, 4)
|
|
local nodes = minetest.find_nodes_in_area(p1, p2, {"mcl_core:sandstone", "mcl_core:stone", "mcl_core:diorite", "mcl_core:andesite", "mcl_core:granite", "mcl_core:stone_with_coal", "mcl_core:dirt", "mcl_core:gravel"})
|
|
|
|
if #nodes >= 100 then -- >= 80%
|
|
mcl_structures.call_struct(p1, "fossil", nil, pr)
|
|
end
|
|
end
|
|
end
|
|
|
|
-- Witch hut (v6)
|
|
if ground_y <= 0 and nn == "mcl_core:dirt" then
|
|
local prob = minecraft_chunk_probability(48, minp, maxp)
|
|
if pr:next(1, prob) == 1 then
|
|
|
|
local swampland = minetest.get_biome_id("Swampland")
|
|
local swampland_shore = minetest.get_biome_id("Swampland_shore")
|
|
|
|
-- Where do witches live?
|
|
-- v6: In Normal biome
|
|
if biomeinfo.get_v6_biome(p) == "Normal" then
|
|
here_be_witches = true
|
|
end
|
|
local here_be_witches = false
|
|
if here_be_witches then
|
|
|
|
local r = tostring(pr:next(0, 3) * 90) -- "0", "90", "180" or 270"
|
|
local p1 = {x=p.x-1, y=WITCH_HUT_HEIGHT+2, z=p.z-1}
|
|
local size
|
|
if r == "0" or r == "180" then
|
|
size = {x=10, y=4, z=8}
|
|
else
|
|
size = {x=8, y=4, z=10}
|
|
end
|
|
local p2 = vector.add(p1, size)
|
|
|
|
-- This checks free space at the “body” of the hut and a bit around.
|
|
-- ALL nodes must be free for the placement to succeed.
|
|
local free_nodes = minetest.find_nodes_in_area(p1, p2, {"air", "mcl_core:water_source", "mcl_flowers:waterlily"})
|
|
if #free_nodes >= ((size.x+1)*(size.y+1)*(size.z+1)) then
|
|
local place = {x=p.x, y=WITCH_HUT_HEIGHT-1, z=p.z}
|
|
|
|
-- FIXME: For some mysterious reason (black magic?) this
|
|
-- function does sometimes NOT spawn the witch hut. One can only see the
|
|
-- oak wood nodes in the water, but no hut. :-/
|
|
mcl_structures.place_structure(place,mcl_structures.registered_structures["witch_hut"],pr)
|
|
|
|
local function place_tree_if_free(pos, prev_result)
|
|
local nn = minetest.get_node(pos).name
|
|
if nn == "mcl_flowers:waterlily" or nn == "mcl_core:water_source" or nn == "mcl_core:water_flowing" or nn == "air" then
|
|
minetest.set_node(pos, {name="mcl_core:tree", param2=0})
|
|
return prev_result
|
|
else
|
|
return false
|
|
end
|
|
end
|
|
local offsets
|
|
if r == "0" then
|
|
offsets = {
|
|
{x=1, y=0, z=1},
|
|
{x=1, y=0, z=5},
|
|
{x=6, y=0, z=1},
|
|
{x=6, y=0, z=5},
|
|
}
|
|
elseif r == "180" then
|
|
offsets = {
|
|
{x=2, y=0, z=1},
|
|
{x=2, y=0, z=5},
|
|
{x=7, y=0, z=1},
|
|
{x=7, y=0, z=5},
|
|
}
|
|
elseif r == "270" then
|
|
offsets = {
|
|
{x=1, y=0, z=1},
|
|
{x=5, y=0, z=1},
|
|
{x=1, y=0, z=6},
|
|
{x=5, y=0, z=6},
|
|
}
|
|
elseif r == "90" then
|
|
offsets = {
|
|
{x=1, y=0, z=2},
|
|
{x=5, y=0, z=2},
|
|
{x=1, y=0, z=7},
|
|
{x=5, y=0, z=7},
|
|
}
|
|
end
|
|
for o=1, #offsets do
|
|
local ok = true
|
|
for y=place.y-1, place.y-64, -1 do
|
|
local tpos = vector.add(place, offsets[o])
|
|
tpos.y = y
|
|
ok = place_tree_if_free(tpos, ok)
|
|
if not ok then
|
|
break
|
|
end
|
|
end
|
|
end
|
|
end
|
|
end
|
|
end
|
|
end
|
|
|
|
-- Ice spikes in v6
|
|
-- In other mapgens, ice spikes are generated as decorations.
|
|
if nn == "mcl_core:snowblock" then
|
|
local spike = pr:next(1,58000)
|
|
if spike < 3 then
|
|
-- Check surface
|
|
local floor = {x=p.x+4, y=p.y-1, z=p.z+4}
|
|
local surface = minetest.find_nodes_in_area({x=p.x+1,y=p.y-1,z=p.z+1}, floor, {"mcl_core:snowblock"})
|
|
-- Check for collision with spruce
|
|
local spruce_collisions = minetest.find_nodes_in_area({x=p.x+1,y=p.y+2,z=p.z+1}, {x=p.x+4, y=p.y+6, z=p.z+4}, {"mcl_core:sprucetree", "mcl_core:spruceleaves"})
|
|
|
|
if #surface >= 9 and #spruce_collisions == 0 then
|
|
mcl_structures.place_structure(p,mcl_structures.registered_structures["ice_spike_large"],pr)
|
|
end
|
|
elseif spike < 100 then
|
|
-- Check surface
|
|
local floor = {x=p.x+6, y=p.y-1, z=p.z+6}
|
|
local surface = minetest.find_nodes_in_area({x=p.x+1,y=p.y-1,z=p.z+1}, floor, {"mcl_core:snowblock", "mcl_core:dirt_with_grass_snow"})
|
|
|
|
-- Check for collision with spruce
|
|
local spruce_collisions = minetest.find_nodes_in_area({x=p.x+1,y=p.y+1,z=p.z+1}, {x=p.x+6, y=p.y+6, z=p.z+6}, {"mcl_core:sprucetree", "mcl_core:spruceleaves"})
|
|
|
|
if #surface >= 25 and #spruce_collisions == 0 then
|
|
mcl_structures.place_structure(p,mcl_structures.registered_structures["ice_spike_small"],pr)
|
|
end
|
|
end
|
|
end
|
|
end
|
|
end
|
|
end
|
|
end end
|
|
end
|
|
end
|
|
|
|
-- Generate mushrooms in caves manually.
|
|
-- only v6. minetest supports cave decos via "all_floors" flag now
|
|
local function generate_underground_mushrooms(minp, maxp, seed)
|
|
local pr_shroom = PseudoRandom(seed-24359)
|
|
-- Generate rare underground mushrooms
|
|
-- TODO: Make them appear in groups, use Perlin noise
|
|
local min, max = mcl_vars.mg_lava_overworld_max + 4, 0
|
|
if minp.y > max or maxp.y < min then
|
|
return
|
|
end
|
|
|
|
local bpos
|
|
local stone = minetest.find_nodes_in_area_under_air(minp, maxp, {"mcl_core:stone", "mcl_core:dirt", "mcl_core:mycelium", "mcl_core:podzol", "mcl_core:andesite", "mcl_core:diorite", "mcl_core:granite", "mcl_core:stone_with_coal", "mcl_core:stone_with_iron", "mcl_core:stone_with_gold"})
|
|
|
|
for n = 1, #stone do
|
|
bpos = {x = stone[n].x, y = stone[n].y + 1, z = stone[n].z }
|
|
|
|
local l = minetest.get_node_light(bpos, 0.5)
|
|
if bpos.y >= min and bpos.y <= max and l and l <= 12 and pr_shroom:next(1,1000) < 4 then
|
|
if pr_shroom:next(1,2) == 1 then
|
|
minetest.set_node(bpos, {name = "mcl_mushrooms:mushroom_brown"})
|
|
else
|
|
minetest.set_node(bpos, {name = "mcl_mushrooms:mushroom_red"})
|
|
end
|
|
end
|
|
end
|
|
end
|
|
|
|
-- Generate Nether decorations manually: Eternal fire, mushrooms, nether wart
|
|
-- (only v6)
|
|
local nether_wart_chance = 85
|
|
local function generate_nether_decorations(minp, maxp, seed)
|
|
local pr_nether = PseudoRandom(seed+667)
|
|
|
|
if minp.y > mcl_vars.mg_nether_max or maxp.y < mcl_vars.mg_nether_min then
|
|
return
|
|
end
|
|
|
|
minetest.log("action", "[mcl_mapgen_core] Nether decorations " .. minetest.pos_to_string(minp) .. " ... " .. minetest.pos_to_string(maxp))
|
|
|
|
-- TODO: Generate everything based on Perlin noise instead of PseudoRandom
|
|
|
|
local bpos
|
|
local rack = minetest.find_nodes_in_area_under_air(minp, maxp, {"mcl_nether:netherrack"})
|
|
local magma = minetest.find_nodes_in_area_under_air(minp, maxp, {"mcl_nether:magma"})
|
|
local ssand = minetest.find_nodes_in_area_under_air(minp, maxp, {"mcl_nether:soul_sand"})
|
|
|
|
-- Helper function to spawn “fake” decoration
|
|
local function special_deco(nodes, spawn_func)
|
|
for n = 1, #nodes do
|
|
bpos = {x = nodes[n].x, y = nodes[n].y + 1, z = nodes[n].z }
|
|
|
|
spawn_func(bpos)
|
|
end
|
|
end
|
|
-- Eternal fire on netherrack
|
|
special_deco(rack, function(bpos)
|
|
-- Eternal fire on netherrack
|
|
if pr_nether:next(1,100) <= 3 then
|
|
minetest.set_node(bpos, {name = "mcl_fire:eternal_fire"})
|
|
end
|
|
end)
|
|
|
|
-- Eternal fire on magma cubes
|
|
special_deco(magma, function(bpos)
|
|
if pr_nether:next(1,150) == 1 then
|
|
minetest.set_node(bpos, {name = "mcl_fire:eternal_fire"})
|
|
end
|
|
end)
|
|
|
|
-- Mushrooms on netherrack
|
|
-- Note: Spawned *after* the fire because of light level checks
|
|
special_deco(rack, function(bpos)
|
|
local l = minetest.get_node_light(bpos, 0.5)
|
|
if bpos.y > mcl_vars.mg_lava_nether_max + 6 and l and l <= 12 and pr_nether:next(1,1000) <= 4 then
|
|
-- TODO: Make mushrooms appear in groups, use Perlin noise
|
|
if pr_nether:next(1,2) == 1 then
|
|
minetest.set_node(bpos, {name = "mcl_mushrooms:mushroom_brown"})
|
|
else
|
|
minetest.set_node(bpos, {name = "mcl_mushrooms:mushroom_red"})
|
|
end
|
|
end
|
|
end)
|
|
|
|
-- Nether wart on soul sand
|
|
-- TODO: Spawn in Nether fortresses
|
|
special_deco(ssand, function(bpos)
|
|
if pr_nether:next(1, nether_wart_chance) == 1 then
|
|
minetest.set_node(bpos, {name = "mcl_nether:nether_wart"})
|
|
end
|
|
end)
|
|
end
|
|
|
|
local function remove_mgv6_broken_plants(minp,maxp)
|
|
--[[ Remove broken double plants caused by v6 weirdness.
|
|
v6 might break the bottom part of double plants because of how it works.
|
|
There are 3 possibilities:
|
|
1) Jungle: Top part is placed on top of a jungle tree or fern (=v6 jungle grass).
|
|
This is because the schematic might be placed even if some nodes of it
|
|
could not be placed because the destination was already occupied.
|
|
TODO: A better fix for this would be if schematics could abort placement
|
|
altogether if ANY of their nodes could not be placed.
|
|
2) Cavegen: Removes the bottom part, the upper part floats
|
|
3) Mudflow: Same as 2) ]]
|
|
|
|
local plants = minetest.find_nodes_in_area(minp, maxp, "group:double_plant")
|
|
for n = 1, #plants do
|
|
local node = vm:get_node_at(plants[n])
|
|
local is_top = minetest.get_item_group(node.name, "double_plant") == 2
|
|
if is_top then
|
|
local p_pos = area:index(plants[n].x, plants[n].y-1, plants[n].z)
|
|
if p_pos then
|
|
node = vm:get_node_at({x=plants[n].x, y=plants[n].y-1, z=plants[n].z})
|
|
local is_bottom = minetest.get_item_group(node.name, "double_plant") == 1
|
|
if not is_bottom then
|
|
p_pos = area:index(plants[n].x, plants[n].y, plants[n].z)
|
|
data[p_pos] = c_air
|
|
lvm_used = true
|
|
end
|
|
end
|
|
end
|
|
end
|
|
end
|
|
|
|
local function basic(vm, data, data2, emin, emax, area, minp, maxp, blockseed)
|
|
if not (minp.y <= mcl_vars.mg_nether_max and maxp.y >= mcl_vars.mg_nether_min) then
|
|
return
|
|
end
|
|
-- Nether block fixes:
|
|
-- * Replace water with Nether lava.
|
|
-- * Replace stone, sand dirt in v6 so the Nether works in v6.
|
|
local nodes = minetest.find_nodes_in_area(emin, emax, {"group:water"})
|
|
for _, n in pairs(nodes) do
|
|
data[area:index(n.x, n.y, n.z)] = c_nether_lava
|
|
lvm_used = true
|
|
end
|
|
nodes = minetest.find_nodes_in_area(emin, emax, {"mcl_core:water_source", "mcl_core:stone", "mcl_core:sand", "mcl_core:dirt"})
|
|
for n=1, #nodes do
|
|
local p_pos = area:index(nodes[n].x, nodes[n].y, nodes[n].z)
|
|
if data[p_pos] == c_water then
|
|
data[p_pos] = c_nether_lava
|
|
lvm_used = true
|
|
elseif data[p_pos] == c_stone then
|
|
data[p_pos] = c_netherrack
|
|
lvm_used = true
|
|
elseif data[p_pos] == c_sand or data[p_pos] == c_dirt then
|
|
data[p_pos] = c_soul_sand
|
|
lvm_used = true
|
|
end
|
|
end
|
|
end
|
|
|
|
local function end_fixes(minp,maxp)
|
|
if not ( minp.y <= mcl_vars.mg_end_max and maxp.y >= mcl_vars.mg_end_min ) then
|
|
return
|
|
end
|
|
local nodes = minetest.find_nodes_in_area(emin, emax, {"mcl_core:water_source", "mcl_core:stone", "mcl_core:sand", "mcl_core:dirt"})
|
|
if #nodes > 0 then
|
|
lvm_used = true
|
|
for _,n in pairs(nodes) do
|
|
data[area:index(n.x, n.y, n.z)] = c_air
|
|
end
|
|
end
|
|
end
|
|
|
|
local function basic_node(minp, maxp, blockseed)
|
|
if mg_name ~= "singlenode" then
|
|
-- Generate special decorations
|
|
if mg_name == "v6" then
|
|
generate_underground_mushrooms(minp, maxp, blockseed)
|
|
generate_nether_decorations(minp, maxp, blockseed)
|
|
end_fixes(minp,maxp)
|
|
remove_mgv6_broken_plants(minp,maxp,blockseed)
|
|
generate_mgv6_structures(minp, maxp, blockseed, minetest.get_mapgen_object("biomemap"))
|
|
end
|
|
end
|
|
end
|
|
|
|
mcl_mapgen_core.register_generator("mgv6-fixes", basic, basic_node, 10, true)
|