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MineClone2-french-translation/mods/MAPGEN/mcl_structures/witch_hut.lua

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local modname = minetest.get_current_modname()
local modpath = minetest.get_modpath(modname)
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-- Check: v7 apple 30584,5,30356
-- Check: v7 apple 2637,6,-12031
-- Check: v7 apple 2644,6,-17968
local chance_per_chunk = 34
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local noise_multiplier = -0.9
local random_offset = 8
local scanning_ratio = 0.01
local struct_threshold = chance_per_chunk - 1
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local mcl_structures_get_perlin_noise_level = mcl_structures.get_perlin_noise_level
local schematic_file = modpath .. "/schematics/mcl_structures_witch_hut.mts"
local witch_hut_schematic_lua = minetest.serialize_schematic(schematic_file, "lua", {lua_use_comments = false, lua_num_indent_spaces = 0}) .. " return schematic"
local witch_hut_schematic = loadstring(witch_hut_schematic_lua)()
local node_list = {"mcl_core:dirt_with_grass", "mcl_core:dirt"}
local WITCH_HUT_HEIGHT = 2 -- Exact Y level to spawn witch huts at. This height refers to the height of the floor
local witch_hut_offsets = {
["0"] = {
{x=1, y=0, z=1}, {x=1, y=0, z=5}, {x=6, y=0, z=1}, {x=6, y=0, z=5},
},
["180"] = {
{x=2, y=0, z=1}, {x=2, y=0, z=5}, {x=7, y=0, z=1}, {x=7, y=0, z=5},
},
["270"] = {
{x=1, y=0, z=1}, {x=5, y=0, z=1}, {x=1, y=0, z=6}, {x=5, y=0, z=6},
},
["90"] = {
{x=1, y=0, z=2}, {x=5, y=0, z=2}, {x=1, y=0, z=7}, {x=5, y=0, z=7},
},
}
local function on_placed(place, rotation, pr, size)
local offsets = witch_hut_offsets[rotation]
if not offsets then return end
for _, offset in pairs(offsets) do
local tpos = vector.add(place, offset)
for y = place.y - 1, mcl_mapgen.get_chunk_beginning(place.y - 1), -1 do
tpos.y = y
local nn = minetest.get_node(tpos).name
if not nn then break end
local node = minetest.registered_nodes[nn]
local groups = node.groups
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if nn == "mcl_flowers:waterlily" or nn == "mcl_core:river_water_source" or nn == "mcl_core:water_source" or nn == "mcl_core:water_flowing" or nn == "air" or groups.deco_block then
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minetest.swap_node(tpos, {name="mcl_core:tree"})
else
break
end
end
end
end
local function place(pos, rotation, pr)
mcl_structures.place_schematic({pos = pos, rotaton = rotation, schematic = witch_hut_schematic, pr = pr, on_placed = on_placed})
end
local function get_place_rank(pos)
local x, y, z = pos.x, pos.y, pos.z
local p1 = {x = x + 1, y = y + 1, z = z + 1}
local p2 = {x = x + 4, y = y + 4, z = z + 4}
local counter = #minetest.find_nodes_in_area(p1, p2, {"air", "group:buildable_to", "group:deco_block"}, false)
return counter
end
local function tune_pos(pos)
local pos = table.copy(pos)
local y = pos.y - 1
if y >= WITCH_HUT_HEIGHT - 5 and y <= WITCH_HUT_HEIGHT + 5 then
pos.y = WITCH_HUT_HEIGHT
return pos
end
local x = pos.x
local z = pos.z
local p1 = {x = x - 3, y = y , z = z - 3}
local p2 = {x = x + 3, y = y + 2, z = z + 3}
local water_list = minetest.find_nodes_in_area(p1, p2, {"group:water"}, false)
if not water_list or #water_list < 1 then
pos.y = y
return pos
end
local top = -1
for _, pos in pairs(water_list) do
if pos.y > top then
top = pos.y
end
end
pos.y = top
return pos
end
mcl_structures.register_structure({
name = "witch_hut",
decoration = {
deco_type = "simple",
place_on = node_list,
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spawn_by = {"mcl_core:river_water_source", "mcl_core:water_source", "group:frosted_ice"},
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num_spawn_by = 1,
-- flags = "all_floors",
fill_ratio = scanning_ratio,
y_min = mcl_mapgen.overworld.min,
y_max = mcl_mapgen.overworld.max,
height = 1,
biomes = mcl_mapgen.v6 and {
"Normal",
} or {
"Swampland",
"Swampland_shore",
"Swampland_ocean",
"Swampland_deep_ocean",
},
},
on_finished_chunk = function(minp, maxp, seed, vm_context, pos_list)
local pr = PseudoRandom(seed + random_offset)
local random_number = pr:next(1, chance_per_chunk)
local noise = mcl_structures_get_perlin_noise_level(minp) * noise_multiplier
if (random_number + noise) < struct_threshold then return end
local pos = tune_pos(pos_list[1])
if #pos_list > 1 then
local count = get_place_rank(pos)
for i = 2, #pos_list do
local pos_i = pos_list[i]
local count_i = get_place_rank(pos_i)
if count_i > count then
count = count_i
pos = pos_i
end
end
end
place(pos, nil, pr)
end,
place_function = place,
})