VoxeLibre/mods/MAPGEN/mcl_mapgen_core/init.lua

611 lines
24 KiB
Lua
Raw Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

mcl_mapgen_core = {}
local registered_generators = {}
local lvm, nodes, param2 = 0, 0, 0
local lvm_used = false
local lvm_buffer = {}
local modname = minetest.get_current_modname()
local modpath = minetest.get_modpath(modname)
--
-- Aliases for map generator outputs
--
minetest.register_alias("mapgen_air", "air")
minetest.register_alias("mapgen_stone", "mcl_core:stone")
minetest.register_alias("mapgen_tree", "mcl_core:tree")
minetest.register_alias("mapgen_leaves", "mcl_core:leaves")
minetest.register_alias("mapgen_jungletree", "mcl_core:jungletree")
minetest.register_alias("mapgen_jungleleaves", "mcl_core:jungleleaves")
minetest.register_alias("mapgen_pine_tree", "mcl_core:sprucetree")
minetest.register_alias("mapgen_pine_needles", "mcl_core:spruceleaves")
minetest.register_alias("mapgen_apple", "mcl_core:leaves")
minetest.register_alias("mapgen_water_source", "mcl_core:water_source")
minetest.register_alias("mapgen_dirt", "mcl_core:dirt")
minetest.register_alias("mapgen_dirt_with_grass", "mcl_core:dirt_with_grass")
minetest.register_alias("mapgen_dirt_with_snow", "mcl_core:dirt_with_grass_snow")
minetest.register_alias("mapgen_sand", "mcl_core:sand")
minetest.register_alias("mapgen_gravel", "mcl_core:gravel")
minetest.register_alias("mapgen_clay", "mcl_core:clay")
minetest.register_alias("mapgen_lava_source", "air") -- Built-in lava generator is too unpredictable, we generate lava on our own
minetest.register_alias("mapgen_cobble", "mcl_core:cobble")
minetest.register_alias("mapgen_mossycobble", "mcl_core:mossycobble")
minetest.register_alias("mapgen_junglegrass", "mcl_flowers:fern")
minetest.register_alias("mapgen_stone_with_coal", "mcl_core:stone_with_coal")
minetest.register_alias("mapgen_stone_with_iron", "mcl_core:stone_with_iron")
minetest.register_alias("mapgen_desert_sand", "mcl_core:sand")
minetest.register_alias("mapgen_desert_stone", "mcl_core:sandstone")
minetest.register_alias("mapgen_sandstone", "mcl_core:sandstone")
if minetest.get_modpath("mclx_core") then
minetest.register_alias("mapgen_river_water_source", "mclx_core:river_water_source")
else
minetest.register_alias("mapgen_river_water_source", "mcl_core:water_source")
end
minetest.register_alias("mapgen_snow", "mcl_core:snow")
minetest.register_alias("mapgen_snowblock", "mcl_core:snowblock")
minetest.register_alias("mapgen_ice", "mcl_core:ice")
minetest.register_alias("mapgen_stair_cobble", "mcl_stairs:stair_cobble")
minetest.register_alias("mapgen_sandstonebrick", "mcl_core:sandstonesmooth")
minetest.register_alias("mapgen_stair_sandstonebrick", "mcl_stairs:stair_sandstone")
minetest.register_alias("mapgen_stair_sandstone_block", "mcl_stairs:stair_sandstone")
minetest.register_alias("mapgen_stair_desert_stone", "mcl_stairs:stair_sandstone")
dofile(modpath.."/api.lua")
dofile(modpath.."/ores.lua")
local mg_name = minetest.get_mapgen_setting("mg_name")
local sea_level = tonumber(minetest.get_mapgen_setting("water_level"))
local superflat = mg_name == "flat" and minetest.get_mapgen_setting("mcl_superflat_classic") == "true"
-- Content IDs
local c_bedrock = minetest.get_content_id("mcl_core:bedrock")
local c_obsidian = minetest.get_content_id("mcl_core:obsidian")
local c_stone = minetest.get_content_id("mcl_core:stone")
local c_dirt = minetest.get_content_id("mcl_core:dirt")
local c_dirt_with_grass = minetest.get_content_id("mcl_core:dirt_with_grass")
local c_dirt_with_grass_snow = minetest.get_content_id("mcl_core:dirt_with_grass_snow")
local c_reeds = minetest.get_content_id("mcl_core:reeds")
local c_sand = minetest.get_content_id("mcl_core:sand")
--local c_sandstone = minetest.get_content_id("mcl_core:sandstone")
local c_void = minetest.get_content_id("mcl_core:void")
local c_lava = minetest.get_content_id("mcl_core:lava_source")
local c_water = minetest.get_content_id("mcl_core:water_source")
local c_soul_sand = minetest.get_content_id("mcl_nether:soul_sand")
local c_netherrack = minetest.get_content_id("mcl_nether:netherrack")
local c_nether_lava = minetest.get_content_id("mcl_nether:nether_lava_source")
--local c_end_stone = minetest.get_content_id("mcl_end:end_stone")
local c_realm_barrier = minetest.get_content_id("mcl_core:realm_barrier")
local c_top_snow = minetest.get_content_id("mcl_core:snow")
local c_snow_block = minetest.get_content_id("mcl_core:snowblock")
local c_clay = minetest.get_content_id("mcl_core:clay")
local c_leaves = minetest.get_content_id("mcl_core:leaves")
local c_jungleleaves = minetest.get_content_id("mcl_core:jungleleaves")
--local c_jungletree = minetest.get_content_id("mcl_core:jungletree")
local c_cocoa_1 = minetest.get_content_id("mcl_cocoas:cocoa_1")
local c_cocoa_2 = minetest.get_content_id("mcl_cocoas:cocoa_2")
local c_cocoa_3 = minetest.get_content_id("mcl_cocoas:cocoa_3")
local c_vine = minetest.get_content_id("mcl_core:vine")
local c_air = minetest.CONTENT_AIR
local mg_flags = minetest.settings:get_flags("mg_flags")
-- Inform other mods of dungeon setting for MCL2-style dungeons
mcl_vars.mg_dungeons = mg_flags.dungeons and not superflat
-- Disable builtin dungeons, we provide our own dungeons
mg_flags.dungeons = false
if superflat then
-- Enforce superflat-like mapgen: no caves, decor, lakes and hills
mg_flags.caves = false
mg_flags.decorations = false
minetest.set_mapgen_setting("mgflat_spflags", "nolakes,nohills", true)
end
if mg_name == "v7" then
minetest.set_mapgen_setting("mgv7_cavern_threshold", "0.20", true)
mg_flags.caverns = true
elseif mg_name == "valleys" then
minetest.set_mapgen_setting("mgvalleys_cavern_threshold", "0.20", true)
mg_flags.caverns = true
elseif mg_name == "carpathian" then
minetest.set_mapgen_setting("mgcarpathian_cavern_threshold", "0.20", true)
mg_flags.caverns = true
elseif mg_name == "v5" then
minetest.set_mapgen_setting("mgv5_cavern_threshold", "0.20", true)
mg_flags.caverns = true
elseif mg_name == "fractal" then
minetest.set_mapgen_setting("mgfractal_cavern_threshold", "0.20", true)
mg_flags.caverns = true
end
local mg_flags_str = ""
for k,v in pairs(mg_flags) do
if v == false then
k = "no" .. k
end
mg_flags_str = mg_flags_str .. k .. ","
end
if string.len(mg_flags_str) > 0 then
mg_flags_str = string.sub(mg_flags_str, 1, string.len(mg_flags_str)-1)
end
minetest.set_mapgen_setting("mg_flags", mg_flags_str, true)
local function between(x, y, z) -- x is between y and z (inclusive)
return y <= x and x <= z
end
local function in_cube(tpos,wpos1,wpos2)
local xmax=wpos2.x
local xmin=wpos1.x
local ymax=wpos2.y
local ymin=wpos1.y
local zmax=wpos2.z
local zmin=wpos1.z
if wpos1.x > wpos2.x then
xmax=wpos1.x
xmin=wpos2.x
end
if wpos1.y > wpos2.y then
ymax=wpos1.y
ymin=wpos2.y
end
if wpos1.z > wpos2.z then
zmax=wpos1.z
zmin=wpos2.z
end
if between(tpos.x,xmin,xmax) and between(tpos.y,ymin,ymax) and between(tpos.z,zmin,zmax) then
return true
end
return false
end
-- Helper function for converting a MC probability to MT, with
-- regards to MapBlocks.
-- Some MC generated structures are generated on per-chunk
-- probability.
-- The MC probability is 1/x per Minecraft chunk (16×16).
-- x: The MC probability is 1/x.
-- minp, maxp: MapBlock limits
-- returns: Probability (1/return_value) for a single MT mapblock
local function minecraft_chunk_probability(x, minp, maxp)
-- 256 is the MC chunk height
return x * (((maxp.x-minp.x+1)*(maxp.z-minp.z+1)) / 256)
end
-- Takes x and z coordinates and minp and maxp of a generated chunk
-- (in on_generated callback) and returns a biomemap index)
-- Inverse function of biomemap_to_xz
local function xz_to_biomemap_index(x, z, minp, maxp)
local xwidth = maxp.x - minp.x + 1
local zwidth = maxp.z - minp.z + 1
local minix = x % xwidth
local miniz = z % zwidth
return (minix + miniz * zwidth) + 1
end
-- Generate basic layer-based nodes: void, bedrock, realm barrier, lava seas, etc.
-- Also perform some basic node replacements.
local bedrock_check
if mcl_vars.mg_bedrock_is_rough then
function bedrock_check(pos, _, pr)
local y = pos.y
-- Bedrock layers with increasing levels of roughness, until a perfecly flat bedrock later at the bottom layer
-- This code assumes a bedrock height of 5 layers.
local diff = mcl_vars.mg_bedrock_overworld_max - y -- Overworld bedrock
local ndiff1 = mcl_vars.mg_bedrock_nether_bottom_max - y -- Nether bedrock, bottom
local ndiff2 = mcl_vars.mg_bedrock_nether_top_max - y -- Nether bedrock, ceiling
local top
if diff == 0 or ndiff1 == 0 or ndiff2 == 4 then
-- 50% bedrock chance
top = 2
elseif diff == 1 or ndiff1 == 1 or ndiff2 == 3 then
-- 66.666...%
top = 3
elseif diff == 2 or ndiff1 == 2 or ndiff2 == 2 then
-- 75%
top = 4
elseif diff == 3 or ndiff1 == 3 or ndiff2 == 1 then
-- 90%
top = 10
elseif diff == 4 or ndiff1 == 4 or ndiff2 == 0 then
-- 100%
return true
else
-- Not in bedrock layer
return false
end
return pr:next(1, top) <= top-1
end
end
-- Helper function to set all nodes in the layers between min and max.
-- content_id: Node to set
-- check: optional.
-- If content_id, node will be set only if it is equal to check.
-- If function(pos_to_check, content_id_at_this_pos), will set node only if returns true.
-- min, max: Minimum and maximum Y levels of the layers to set
-- minp, maxp: minp, maxp of the on_generated
-- lvm_used: Set to true if any node in this on_generated has been set before.
--
-- returns true if any node was set and lvm_used otherwise
local function set_layers(data, area, content_id, check, min, max, minp, maxp, lvm_used, pr)
if (maxp.y >= min and minp.y <= max) then
for y = math.max(min, minp.y), math.min(max, maxp.y) do
for x = minp.x, maxp.x do
for z = minp.z, maxp.z do
local p_pos = area:index(x, y, z)
if check then
if type(check) == "function" and check({x=x,y=y,z=z}, data[p_pos], pr) then
data[p_pos] = content_id
lvm_used = true
elseif check == data[p_pos] then
data[p_pos] = content_id
lvm_used = true
end
else
data[p_pos] = content_id
lvm_used = true
end
end
end
end
end
return lvm_used
end
local function set_grass_palette(minp,maxp,data2,area,biomemap,nodes)
-- Flat area at y=0 to read biome 3 times faster than 5.3.0.get_biome_data(pos).biome: 43us vs 125us per iteration:
if not biomemap then return end
local aream = VoxelArea:new({MinEdge={x=minp.x, y=0, z=minp.z}, MaxEdge={x=maxp.x, y=0, z=maxp.z}})
local nodes = minetest.find_nodes_in_area(minp, maxp, nodes)
for n=1, #nodes do
local n = nodes[n]
local p_pos = area:index(n.x, n.y, n.z)
local b_pos = aream:index(n.x, 0, n.z)
local bn = minetest.get_biome_name(biomemap[b_pos])
if bn then
local biome = minetest.registered_biomes[bn]
if biome and biome._mcl_biome_type and biome._mcl_grass_palette_index then
data2[p_pos] = biome._mcl_grass_palette_index
lvm_used = true
end
end
end
return lvm_used
end
local function set_foliage_palette(minp,maxp,data2,area,biomemap,nodes)
-- Flat area at y=0 to read biome 3 times faster than 5.3.0.get_biome_data(pos).biome: 43us vs 125us per iteration:
if not biomemap then return end
local aream = VoxelArea:new({MinEdge={x=minp.x, y=0, z=minp.z}, MaxEdge={x=maxp.x, y=0, z=maxp.z}})
local nodes = minetest.find_nodes_in_area(minp, maxp, nodes)
for n=1, #nodes do
local n = nodes[n]
local p_pos = area:index(n.x, n.y, n.z)
local b_pos = aream:index(n.x, 0, n.z)
local bn = minetest.get_biome_name(biomemap[b_pos])
if bn then
local biome = minetest.registered_biomes[bn]
if biome and biome._mcl_biome_type and biome._mcl_foliage_palette_index and data2[p_pos] <= 1 then
data2[p_pos] = biome._mcl_foliage_palette_index
lvm_used = true
elseif biome and biome._mcl_biome_type and biome._mcl_foliage_palette_index and data2[p_pos] > 1 then
data2[p_pos] = (biome._mcl_foliage_palette_index * 8) + data2[p_pos]
lvm_used = true
end
end
end
return lvm_used
end
local function set_water_palette(minp,maxp,data2,area,biomemap,nodes)
-- Flat area at y=0 to read biome 3 times faster than 5.3.0.get_biome_data(pos).biome: 43us vs 125us per iteration:
if not biomemap then return end
local aream = VoxelArea:new({MinEdge={x=minp.x, y=0, z=minp.z}, MaxEdge={x=maxp.x, y=0, z=maxp.z}})
local nodes = minetest.find_nodes_in_area(minp, maxp, nodes)
for n=1, #nodes do
local n = nodes[n]
local p_pos = area:index(n.x, n.y, n.z)
local b_pos = aream:index(n.x, 0, n.z)
local bn = minetest.get_biome_name(biomemap[b_pos])
if bn then
local biome = minetest.registered_biomes[bn]
if biome and biome._mcl_biome_type and biome._mcl_water_palette_index then
data2[p_pos] = biome._mcl_water_palette_index
lvm_used = true
end
end
end
return lvm_used
end
local function set_seagrass_param2(minp,maxp,data2,area,nodes)
local aream = VoxelArea:new({MinEdge={x=minp.x, y=0, z=minp.z}, MaxEdge={x=maxp.x, y=0, z=maxp.z}})
local nodes = minetest.find_nodes_in_area(minp, maxp, nodes)
for n=1, #nodes do
local n = nodes[n]
local p_pos = area:index(n.x, n.y, n.z)
data2[p_pos] = 3
lvm_used = true
end
return lvm_used
end
-- Below the bedrock, generate air/void
local function world_structure(vm, data, data2, emin, emax, area, minp, maxp, blockseed)
local biomemap --ymin, ymax
local lvm_used = false
local pr = PseudoRandom(blockseed)
-- The Void below the Nether:
lvm_used = set_layers(data, area, c_void , nil, mcl_vars.mapgen_edge_min , mcl_vars.mg_nether_min -1, minp, maxp, lvm_used, pr)
-- [[ THE NETHER: mcl_vars.mg_nether_min mcl_vars.mg_nether_max ]]
-- The Air on the Nether roof, https://git.minetest.land/VoxeLibre/VoxeLibre/issues/1186
lvm_used = set_layers(data, area, c_air , nil, mcl_vars.mg_nether_max +1, mcl_vars.mg_nether_max + 128 , minp, maxp, lvm_used, pr)
-- The Void above the Nether below the End:
lvm_used = set_layers(data, area, c_void , nil, mcl_vars.mg_nether_max + 128 +1, mcl_vars.mg_end_min -1, minp, maxp, lvm_used, pr)
-- [[ THE END: mcl_vars.mg_end_min mcl_vars.mg_end_max ]]
-- The Void above the End below the Realm barrier:
lvm_used = set_layers(data, area, c_void , nil, mcl_vars.mg_end_max +1, mcl_vars.mg_realm_barrier_overworld_end_min-1, minp, maxp, lvm_used, pr)
-- Realm barrier between the Overworld void and the End
lvm_used = set_layers(data, area, c_realm_barrier, nil, mcl_vars.mg_realm_barrier_overworld_end_min , mcl_vars.mg_realm_barrier_overworld_end_max , minp, maxp, lvm_used, pr)
-- The Void above Realm barrier below the Overworld:
lvm_used = set_layers(data, area, c_void , nil, mcl_vars.mg_realm_barrier_overworld_end_max+1, mcl_vars.mg_overworld_min -1, minp, maxp, lvm_used, pr)
if mg_name ~= "singlenode" then
-- Bedrock
lvm_used = set_layers(data, area, c_bedrock, bedrock_check, mcl_vars.mg_bedrock_overworld_min, mcl_vars.mg_bedrock_overworld_max, minp, maxp, lvm_used, pr)
lvm_used = set_layers(data, area, c_bedrock, bedrock_check, mcl_vars.mg_bedrock_nether_bottom_min, mcl_vars.mg_bedrock_nether_bottom_max, minp, maxp, lvm_used, pr)
lvm_used = set_layers(data, area, c_bedrock, bedrock_check, mcl_vars.mg_bedrock_nether_top_min, mcl_vars.mg_bedrock_nether_top_max, minp, maxp, lvm_used, pr)
-- Flat Nether
if mg_name == "flat" then
lvm_used = set_layers(data, area, c_air, nil, mcl_vars.mg_flat_nether_floor, mcl_vars.mg_flat_nether_ceiling, minp, maxp, lvm_used, pr)
end
-- Big lava seas by replacing air below a certain height
if mcl_vars.mg_lava then
lvm_used = set_layers(data, area, c_lava, c_air, mcl_vars.mg_overworld_min, mcl_vars.mg_lava_overworld_max, minp, maxp, lvm_used, pr)
lvm_used = set_layers(data, area, c_nether_lava, c_air, mcl_vars.mg_nether_min, mcl_vars.mg_lava_nether_max, minp, maxp, lvm_used, pr)
end
end
local deco = false
local ores = false
if minp.y > mcl_vars.mg_nether_deco_max - 64 and maxp.y < mcl_vars.mg_nether_max + 128 then
deco = {min=mcl_vars.mg_nether_deco_max,max=mcl_vars.mg_nether_max}
end
if minp.y < mcl_vars.mg_nether_min + 10 or maxp.y < mcl_vars.mg_nether_min + 60 then
deco = {min=mcl_vars.mg_nether_min - 10,max=mcl_vars.mg_nether_min + 20}
ores = {min=mcl_vars.mg_nether_min - 10,max=mcl_vars.mg_nether_min + 20}
end
return lvm_used, lvm_used, deco, ores
end
local function block_fixes_grass(vm, data, data2, emin, emax, area, minp, maxp, blockseed)
local biomemap = minetest.get_mapgen_object("biomemap")
local lvm_used = false
local pr = PseudoRandom(blockseed)
if minp.y <= mcl_vars.mg_overworld_max and maxp.y >= mcl_vars.mg_overworld_min then
-- Set param2 (=color) of nodes which use the grass colour palette.
lvm_used = set_grass_palette(minp,maxp,data2,area,biomemap,{"group:grass_palette"})
end
return lvm_used
end
local function block_fixes_foliage(vm, data, data2, emin, emax, area, minp, maxp, blockseed)
local biomemap = minetest.get_mapgen_object("biomemap")
local lvm_used = false
local pr = PseudoRandom(blockseed)
if minp.y <= mcl_vars.mg_overworld_max and maxp.y >= mcl_vars.mg_overworld_min then
-- Set param2 (=color) of nodes which use the foliage colour palette.
lvm_used = set_foliage_palette(minp,maxp,data2,area,biomemap,{"group:foliage_palette", "group:foliage_palette_wallmounted"})
end
return lvm_used
end
local function block_fixes_water(vm, data, data2, emin, emax, area, minp, maxp, blockseed)
local biomemap = minetest.get_mapgen_object("biomemap")
local lvm_used = false
local pr = PseudoRandom(blockseed)
if minp.y <= mcl_vars.mg_overworld_max and maxp.y >= mcl_vars.mg_overworld_min then
-- Set param2 (=color) of nodes which use the water colour palette.
lvm_used = set_water_palette(minp,maxp,data2,area,biomemap,{"group:water_palette"})
end
return lvm_used
end
local function block_fixes_seagrass(vm, data, data2, emin, emax, area, minp, maxp, blockseed)
local lvm_used = false
local pr = PseudoRandom(blockseed)
if minp.y <= mcl_vars.mg_overworld_max and maxp.y >= mcl_vars.mg_overworld_min then
-- Set param2 of seagrass to 3.
lvm_used = set_seagrass_param2(minp, maxp, data2, area, {"group:seagrass"})
end
return lvm_used
end
-- End block fixes:
local function end_basic(vm, data, data2, emin, emax, area, minp, maxp, blockseed)
if maxp.y < mcl_vars.mg_end_min or minp.y > mcl_vars.mg_end_max then return end
local biomemap --ymin, ymax
local lvm_used = false
local pr = PseudoRandom(blockseed)
local nodes
if mg_name ~= "v6" then
nodes = minetest.find_nodes_in_area(emin, emax, {"mcl_core:water_source"})
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
return true, false
end
mcl_mapgen_core.register_generator("world_structure", world_structure, nil, 1, true)
mcl_mapgen_core.register_generator("end_fixes", end_basic, function(minp,maxp)
if maxp.y < mcl_vars.mg_end_min or minp.y > mcl_vars.mg_end_max then return end
end, 9999, true)
if mg_name ~= "v6" and mg_name ~= "singlenode" then
mcl_mapgen_core.register_generator("block_fixes_grass", block_fixes_grass, nil, 9999, true)
mcl_mapgen_core.register_generator("block_fixes_foliage", block_fixes_foliage, nil, 9999, true)
mcl_mapgen_core.register_generator("block_fixes_water", block_fixes_water, nil, 9999, true)
mcl_mapgen_core.register_generator("block_fixes_seagrass", block_fixes_seagrass, nil, 9999, true)
end
if mg_name == "v6" then
dofile(modpath.."/v6.lua")
end
-- This should be moved to mcl_structures eventually if the dependencies can be sorted out.
mcl_mapgen_core.register_generator("structures",nil, function(minp, maxp, blockseed)
local gennotify = minetest.get_mapgen_object("gennotify")
local has_struct = {}
local has = false
local poshash = minetest.hash_node_position(minp)
for _,struct in pairs(mcl_structures.registered_structures) do
local pr = PseudoRandom(blockseed + 42)
if struct.deco_id then
for _, pos in pairs(gennotify["decoration#"..struct.deco_id] or {}) do
local realpos = vector.offset(pos,0,1,0)
minetest.remove_node(realpos)
minetest.fix_light(vector.offset(pos,-1,-1,-1),vector.offset(pos,1,3,1))
if struct.chunk_probability == nil or (not has and pr:next(1,struct.chunk_probability) == 1 ) then
mcl_structures.place_structure(realpos,struct,pr,blockseed)
has=true
end
end
elseif struct.static_pos then
for _,p in pairs(struct.static_pos) do
if in_cube(p,minp,maxp) then
mcl_structures.place_structure(p,struct,pr,blockseed)
end
end
end
end
return false, false, false
end, 100, true)
minetest.register_lbm({
label = "Fix grass palette indexes", -- This LBM fixes any incorrect grass palette indexes.
name = "mcl_mapgen_core:fix_grass_palette_indexes",
nodenames = {"group:grass_palette"},
run_at_every_load = false,
action = function(pos, node)
local grass_palette_index = mcl_util.get_palette_indexes_from_pos(pos).grass_palette_index
if node.param2 ~= grass_palette_index then
node.param2 = grass_palette_index
minetest.set_node(pos, node)
end
end
})
minetest.register_lbm({
label = "Fix foliage palette indexes", -- Set correct palette indexes of foliage in old mapblocks.
name = "mcl_mapgen_core:fix_foliage_palette_indexes",
nodenames = {"group:foliage_palette", "group:foliage_palette_wallmounted"},
run_at_every_load = false,
action = function(pos, node)
local foliage_palette_index = mcl_util.get_palette_indexes_from_pos(pos).foliage_palette_index
local noplconvert = {"mcl_mangrove:mangroveleaves", "mcl_core:vine"} -- These do not convert into player leaves.
if node.param2 == 1 and node.name ~= noplconvert then -- Convert old player leaves into the new versions.
node.param2 = foliage_palette_index
minetest.remove_node(pos) -- Required, since otherwise this conversion won't work.
minetest.place_node(vector.offset(pos, 0, 1, 0), node) -- Offset required, since otherwise the leaves sink one node for some reason.
elseif node.param2 ~= foliage_palette_index and node.name ~= "mcl_core:vine" then
node.param2 = foliage_palette_index
minetest.set_node(pos, node)
elseif node.name == "mcl_core:vine" then
local biome_param2 = foliage_palette_index
local rotation_param2 = mcl_util.get_colorwallmounted_rotation(pos)
local final_param2 = (biome_param2 * 8) + rotation_param2
if node.param2 ~= final_param2 then
node.param2 = final_param2
minetest.set_node(pos, node)
end
end
end
})
minetest.register_lbm({
label = "Fix water palette indexes", -- Set correct palette indexes of water in old mapblocks.
name = "mcl_mapgen_core:fix_water_palette_indexes",
nodenames = {"group:water_palette"},
run_at_every_load = false,
action = function(pos, node)
local water_palette_index = mcl_util.get_palette_indexes_from_pos(pos).water_palette_index
if node.param2 ~= water_palette_index then
node.param2 = water_palette_index
minetest.set_node(pos, node)
end
end
})
minetest.register_lbm({
label = "Fix incorrect seagrass", -- Set correct param2 of seagrass in old mapblocks.
name = "mcl_mapgen_core:fix_incorrect_seagrass",
nodenames = {"group:seagrass"},
run_at_every_load = false,
action = function(pos, node)
if node.param2 ~= 3 then
node.param2 = 3
minetest.set_node(pos, node)
end
end
})
-- We go outside x and y for where trees are placed next to a biome that has already been generated.
-- We go above maxp.y because trees can often get placed close to the top of a generated area and folliage may not
-- be coloured correctly.
local function fix_folliage_missed (minp, maxp)
local pos1, pos2 = vector.offset(minp, -6, 0, -6), vector.offset(maxp, 6, 14, 6)
local foliage = minetest.find_nodes_in_area(pos1, pos2, {"group:foliage_palette", "group:foliage_palette_wallmounted"})
for _, fpos in pairs(foliage) do
local fnode = minetest.get_node(fpos)
local foliage_palette_index = mcl_util.get_palette_indexes_from_pos(fpos).foliage_palette_index
if fnode.param2 ~= foliage_palette_index and fnode.name ~= "mcl_core:vine" then
fnode.param2 = foliage_palette_index
minetest.set_node(fpos, fnode)
elseif fnode.name == "mcl_core:vine" then
local biome_param2 = foliage_palette_index
local rotation_param2 = mcl_util.get_colorwallmounted_rotation(fpos)
local final_param2 = (biome_param2 * 8) + rotation_param2
if fnode.param2 ~= final_param2 then
fnode.param2 = final_param2
minetest.set_node(fpos, fnode)
end
end
end
end
minetest.register_on_generated(function(minp, maxp, blockseed) -- Set correct palette indexes of missed foliage.
if maxp.y < 0 then
return
end
fix_folliage_missed (minp, maxp)
end)