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mirror of https://github.com/sys4-fr/server-nalc.git synced 2024-12-29 12:10:34 +01:00
server-nalc/mods/watershed/functions.lua
2016-07-14 21:51:55 +02:00

286 lines
8.4 KiB
Lua
Executable File

--[[ MFF: Prevent trees from destroying existing blocks
This is the list of "safe" blocks in which a tree can grow
They were moved outside the local safety function for speed (I hope)
--]]
local c_air = minetest.get_content_id("air")
local c_ignore = minetest.get_content_id("ignore")
-- MFF: The local function to do safety checks
local function safely_set_block(t, k, v)
if t[k] == c_air or t[k] == c_ignore then
t[k] = v
end
end
function watershed_appletree(x, y, z, area, data)
local c_tree = minetest.get_content_id("default:tree")
local c_apple = minetest.get_content_id("default:apple")
local c_wsappleaf = minetest.get_content_id("watershed:appleleaf")
-- MFF: Higher default tree with a bit of randomness
local tree_top = 5 + math.random(0, 1)
local leaves_height = tree_top - 1
local branches_height = leaves_height - 1
for j = 0, tree_top do -- MFF: Higher tree, same design
if j >= leaves_height then
for i = -2, 2 do
for k = -2, 2 do
local vil = area:index(x + i, y + j, z + k)
if math.random(64) == 2 then
-- MFF: Prevent trees from destroying existing blocks
safely_set_block(data, vil, c_apple)
elseif math.random(5) ~= 2 then
-- MFF: Prevent trees from destroying existing blocks
safely_set_block(data, vil, c_wsappleaf)
end
end
end
elseif j == branches_height then
for i = -1, 1 do
for k = -1, 1 do
if math.abs(i) + math.abs(k) == 2 then
local vit = area:index(x + i, y + j, z + k)
-- MFF: Prevent trees from destroying existing blocks
safely_set_block(data, vit, c_tree)
end
end
end
else
local vit = area:index(x, y + j, z)
-- MFF: Prevent trees from destroying existing blocks
if j == 0 then
-- MFF: the position of the sapling itself, replace it without checking.
data[vit] = c_tree
else
safely_set_block(data, vit, c_tree)
end
end
end
end
function watershed_pinetree(x, y, z, area, data)
local c_wspitree = minetest.get_content_id("watershed:pinetree")
local c_wsneedles = minetest.get_content_id("watershed:needles")
local c_snowblock = minetest.get_content_id("default:snowblock")
for j = 0, 14 do
if j == 3 or j == 6 or j == 9 or j == 12 then
for i = -2, 2 do
for k = -2, 2 do
if math.abs(i) == 2 or math.abs(k) == 2 then
if math.random(7) ~= 2 then
-- MFF: Prevent trees from destroying existing blocks
local vil = area:index(x + i, y + j, z + k)
safely_set_block(data, vil, c_wsneedles)
local vila = area:index(x + i, y + j + 1, z + k)
safely_set_block(data, vila, c_snowblock)
end
end
end
end
elseif j == 4 or j == 7 or j == 10 then
for i = -1, 1 do
for k = -1, 1 do
if not (i == 0 and j == 0) then
if math.random(11) ~= 2 then
-- MFF: Prevent trees from destroying existing blocks
local vil = area:index(x + i, y + j, z + k)
safely_set_block(data, vil, c_wsneedles)
local vila = area:index(x + i, y + j + 1, z + k)
safely_set_block(data, vila, c_snowblock)
end
end
end
end
elseif j == 13 then
for i = -1, 1 do
for k = -1, 1 do
if not (i == 0 and j == 0) then
-- MFF: Prevent trees from destroying existing blocks
local vil = area:index(x + i, y + j, z + k)
safely_set_block(data, vil,c_wsneedles)
local vila = area:index(x + i, y + j + 1, z + k)
safely_set_block(data, vila, c_wsneedles)
local vilaa = area:index(x + i, y + j + 2, z + k)
safely_set_block(data, vilaa, c_snowblock)
end
end
end
end
-- MFF: Prevent trees from destroying existing blocks
local vit = area:index(x, y + j, z)
if j == 0 then
data[vit] = c_wspitree -- No safety check for the sapling itself
else
safely_set_block(data, vit, c_wspitree)
end
end
local vil = area:index(x, y + 15, z)
local vila = area:index(x, y + 16, z)
local vilaa = area:index(x, y + 17, z)
-- MFF: Prevent trees from destroying existing blocks
safely_set_block(data, vil, c_wsneedles)
safely_set_block(data, vila, c_wsneedles)
safely_set_block(data, vilaa, c_snowblock)
end
function watershed_jungletree(x, y, z, area, data)
local c_juntree = minetest.get_content_id("default:jungletree")
local c_wsjunleaf = minetest.get_content_id("watershed:jungleleaf")
local top = math.random(17,23)
local branch = math.floor(top * 0.6)
for j = 0, top do
if j == top or j == top - 1 or j == branch + 1 or j == branch + 2 then
for i = -2, 2 do -- leaves
for k = -2, 2 do
local vi = area:index(x + i, y + j, z + k)
if math.random(5) ~= 2 then
-- MFF: Prevent trees from destroying existing blocks
safely_set_block(data, vi, c_wsjunleaf)
end
end
end
elseif j == top - 2 or j == branch then -- branches
for i = -1, 1 do
for k = -1, 1 do
if math.abs(i) + math.abs(k) == 2 then
local vi = area:index(x + i, y + j, z + k)
-- MFF: Prevent trees from destroying existing blocks
safely_set_block(data, vi, c_juntree)
end
end
end
end
if j <= top - 3 then -- trunk
local vi = area:index(x, y + j, z)
-- MFF: Prevent trees from destroying existing blocks
if j == 0 then
data[vi] = c_juntree -- No safety check for the sapling itself
else
safely_set_block(data, vi, c_juntree)
end
end
end
end
function watershed_acaciatree(x, y, z, area, data)
local c_sapling = minetest.get_content_id("moretrees:acacia_sapling_ongen")
local vi = area:index(x, y, z)
data[vi] = c_sapling
end
function watershed_flower(data, vi, noise)
local c_danwhi = minetest.get_content_id("flowers:dandelion_white")
local c_danyel = minetest.get_content_id("flowers:dandelion_yellow")
local c_rose = minetest.get_content_id("flowers:rose")
local c_tulip = minetest.get_content_id("flowers:tulip")
local c_geranium = minetest.get_content_id("flowers:geranium")
local c_viola = minetest.get_content_id("flowers:viola")
if noise > 0.8 then
data[vi] = c_danwhi
elseif noise > 0.4 then
data[vi] = c_rose
elseif noise > 0 then
data[vi] = c_tulip
elseif noise > -0.4 then
data[vi] = c_danyel
elseif noise > -0.8 then
data[vi] = c_geranium
else
data[vi] = c_viola
end
end
function watershed_cactus(x, y, z, area, data)
local c_wscactus = minetest.get_content_id("watershed:cactus")
for j = 0, 4 do
for i = -2, 2 do
if i == 0 or j == 2 or (j == 3 and math.abs(i) == 2) then
local vic = area:index(x + i, y + j, z)
data[vic] = c_wscactus
end
end
end
end
function watershed_papyrus(x, y, z, area, data)
local c_papyrus = minetest.get_content_id("default:papyrus")
local ph = math.random(1, 4)
for j = 0, ph do
local vip = area:index(x, y + j, z)
data[vip] = c_papyrus
end
end
-- Singlenode option
local SINGLENODE = true
if SINGLENODE then
-- Set mapgen parameters
minetest.set_mapgen_params({mgname="singlenode", flags="nolight"})
-- Spawn player function is useless in minetestforfun
end
-- Appletree sapling
function default.grow_tree(pos)
local x = pos.x
local y = pos.y
local z = pos.z
local vm = minetest.get_voxel_manip()
local pos1 = {x = x - 2, y = y - 2, z = z - 2}
local pos2 = {x = x + 2, y = y + 4, z = z + 2}
local emin, emax = vm:read_from_map(pos1, pos2)
local area = VoxelArea:new({MinEdge = emin, MaxEdge = emax})
local data = vm:get_data()
watershed_appletree(x, y, z, area, data)
vm:set_data(data)
vm:write_to_map()
vm:update_map()
end
-- Pine sapling
function default.grow_pine_tree(pos)
local x = pos.x
local y = pos.y
local z = pos.z
local vm = minetest.get_voxel_manip()
local pos1 = {x = x - 2, y = y - 4, z = z - 2}
local pos2 = {x = x + 2, y = y + 17, z = z + 2}
local emin, emax = vm:read_from_map(pos1, pos2)
local area = VoxelArea:new({MinEdge=emin, MaxEdge=emax})
local data = vm:get_data()
watershed_pinetree(x, y, z, area, data)
vm:set_data(data)
vm:write_to_map()
vm:update_map()
end
-- Acacia sapling is already defined in Moretrees
-- Jungletree sapling
function default.grow_jungle_tree(pos)
local x = pos.x
local y = pos.y
local z = pos.z
local vm = minetest.get_voxel_manip()
local pos1 = {x = x - 2, y = y - 5, z = z - 2}
local pos2 = {x = x + 2, y = y + 23, z = z + 2}
local emin, emax = vm:read_from_map(pos1, pos2)
local area = VoxelArea:new({MinEdge = emin, MaxEdge = emax})
local data = vm:get_data()
watershed_jungletree(x, y, z, area, data)
vm:set_data(data)
vm:write_to_map()
vm:update_map()
end
default.grow_new_apple_tree = default.grow_tree
default.grow_new_jungle_tree = default.grow_jungle_tree
default.grow_new_pine_tree = default.grow_pine_tree