mirror of
https://github.com/sys4-fr/server-nalc.git
synced 2024-12-27 11:10:37 +01:00
265 lines
6.8 KiB
Lua
265 lines
6.8 KiB
Lua
-- highlandpools 0.1.1 by paramat
|
|
-- For latest stable Minetest back to 0.4.8
|
|
-- Depends default
|
|
-- Licenses: code WTFPL
|
|
|
|
-- Parameters
|
|
|
|
local YMAX = 64 -- Maximum altitude for pools
|
|
local FLOW = 256
|
|
|
|
-- Stuff
|
|
|
|
highlandpools = {}
|
|
|
|
-- Functions
|
|
|
|
minetest.register_abm({
|
|
nodenames = {"default:grass_1","default:grass_2","default:grass_3","default:grass_4",
|
|
"default:grass_5","default:grass_6","default:grass_7","default:grass_8",
|
|
"cavestuff:pebble_2","group:flowers"},
|
|
interval = 1,
|
|
chance = 1,
|
|
action = function(pos)
|
|
if minetest.get_node({x = pos.x, y = pos.y+1, z = pos.z}).name == "default:water_source"
|
|
or minetest.get_node({x = pos.x, y = pos.y+1, z = pos.z}).name == "default:water_flowing" then
|
|
minetest.remove_node(pos)
|
|
end
|
|
end,
|
|
})
|
|
|
|
function highlandpools_remtree(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_leaves = minetest.get_content_id("default:leaves")
|
|
local c_air = minetest.get_content_id("air")
|
|
for j = 1, 7 do
|
|
for i = -2, 2 do
|
|
for k = -2, 2 do
|
|
local vi = area:index(x+i, y+j, z+k)
|
|
if data[vi] == c_tree
|
|
or data[vi] == c_apple
|
|
or data[vi] == c_leaves then
|
|
data[vi] = c_air
|
|
end
|
|
end
|
|
end
|
|
end
|
|
for j = 1, 7 do
|
|
for i = -2, 2 do
|
|
for k = -2, 2 do
|
|
local vi = area:index(x+i, y-j, z+k)
|
|
if data[vi] == c_tree
|
|
or data[vi] == c_apple
|
|
or data[vi] == c_leaves then
|
|
data[vi] = c_air
|
|
end
|
|
end
|
|
end
|
|
end
|
|
end
|
|
|
|
-- On generated function
|
|
|
|
minetest.register_on_generated(function(minp, maxp, seed)
|
|
local y0 = minp.y
|
|
if y0 < -32 or y0 > YMAX then
|
|
return
|
|
end
|
|
|
|
local t1 = os.clock()
|
|
local x0 = minp.x
|
|
local z0 = minp.z
|
|
-- print ("[highlandpools] chunk ("..x0.." "..y0.." "..z0..")")
|
|
local x1 = maxp.x
|
|
local y1 = maxp.y
|
|
local z1 = maxp.z
|
|
local sidelen = x1 - x0 -- actually sidelen - 1
|
|
|
|
local vm, emin, emax = minetest.get_mapgen_object("voxelmanip")
|
|
local area = VoxelArea:new{MinEdge=emin, MaxEdge=emax}
|
|
local data = vm:get_data()
|
|
|
|
local c_air = minetest.get_content_id("air")
|
|
local c_ignore = minetest.get_content_id("ignore")
|
|
local c_watsour = minetest.get_content_id("default:water_source")
|
|
local c_grass = minetest.get_content_id("default:dirt_with_grass")
|
|
local c_tree = minetest.get_content_id("default:tree")
|
|
local c_apple = minetest.get_content_id("default:apple")
|
|
local c_leaves = minetest.get_content_id("default:leaves")
|
|
local c_dirt = minetest.get_content_id("default:dirt")
|
|
|
|
for xcen = x0 + 8, x1 - 7, 8 do
|
|
for zcen = z0 + 8, z1 - 7, 8 do
|
|
local yasurf = false -- y of above surface node
|
|
for y = y1, 2, -1 do
|
|
local vi = area:index(xcen, y, zcen)
|
|
local c_node = data[vi]
|
|
if y == y1 and c_node ~= c_air then -- if top node solid
|
|
break
|
|
elseif c_node == c_watsour then
|
|
break
|
|
elseif c_node == c_grass then
|
|
yasurf = y --+ 1
|
|
break
|
|
end
|
|
end
|
|
if yasurf then
|
|
local abort = false
|
|
for ser = 1, 80 do
|
|
local vi = area:index(xcen + ser, yasurf, zcen)
|
|
local c_node = data[vi]
|
|
if xcen + ser == x1 then
|
|
abort = true
|
|
elseif c_node ~= c_air
|
|
and c_node ~= c_tree
|
|
and c_node ~= c_leaves
|
|
and c_node ~= c_apple then
|
|
break
|
|
end
|
|
end
|
|
for ser = 1, 80 do
|
|
local vi = area:index(xcen - ser, yasurf, zcen)
|
|
local c_node = data[vi]
|
|
if xcen - ser == x0 then
|
|
abort = true
|
|
elseif c_node ~= c_air
|
|
and c_node ~= c_tree
|
|
and c_node ~= c_leaves
|
|
and c_node ~= c_apple then
|
|
break
|
|
end
|
|
end
|
|
for ser = 1, 80 do
|
|
local vi = area:index(xcen, yasurf, zcen + ser)
|
|
local c_node = data[vi]
|
|
if zcen + ser == z1 then
|
|
abort = true
|
|
elseif c_node ~= c_air
|
|
and c_node ~= c_tree
|
|
and c_node ~= c_leaves
|
|
and c_node ~= c_apple then
|
|
break
|
|
end
|
|
end
|
|
for ser = 1, 80 do
|
|
local vi = area:index(xcen, yasurf, zcen - ser)
|
|
local c_node = data[vi]
|
|
if zcen - ser == z0 then
|
|
abort = true
|
|
elseif c_node ~= c_air
|
|
and c_node ~= c_tree
|
|
and c_node ~= c_leaves
|
|
and c_node ~= c_apple then
|
|
break
|
|
end
|
|
end
|
|
if abort then
|
|
break
|
|
end
|
|
|
|
local vi = area:index(xcen, yasurf, zcen)
|
|
data[vi] = c_watsour
|
|
local flab = false -- flow abort
|
|
for flow = 1, FLOW do
|
|
for z = z0, z1 do
|
|
for x = x0, x1 do
|
|
local vif = area:index(x, yasurf, z)
|
|
if data[vif] == c_watsour then
|
|
if x == x0 or x == x1 or z == z0 or z == z1 then
|
|
flab = true -- if water at chunk edge abort flow
|
|
break
|
|
else -- flow water
|
|
local vie = area:index(x + 1, yasurf, z)
|
|
local viw = area:index(x - 1, yasurf, z)
|
|
local vin = area:index(x, yasurf, z + 1)
|
|
local vis = area:index(x, yasurf, z - 1)
|
|
local vied = area:index(x + 1, yasurf-1, z)
|
|
local viwd = area:index(x - 1, yasurf-1, z)
|
|
local vind = area:index(x, yasurf-1, z + 1)
|
|
local visd = area:index(x, yasurf-1, z - 1)
|
|
if data[vie] == c_tree then
|
|
highlandpools_remtree(x + 1, yasurf, z, area, data)
|
|
data[vie] = c_watsour
|
|
elseif data[vie] == c_air
|
|
or data[vie] == c_apple
|
|
or data[vie] == c_leaves then
|
|
data[vie] = c_watsour
|
|
end
|
|
if data[viw] == c_tree then
|
|
highlandpools_remtree(x - 1, yasurf, z, area, data)
|
|
data[viw] = c_watsour
|
|
elseif data[viw] == c_air
|
|
or data[viw] == c_apple
|
|
or data[viw] == c_leaves then
|
|
data[viw] = c_watsour
|
|
end
|
|
if data[vin] == c_tree then
|
|
highlandpools_remtree(x, yasurf, z + 1, area, data)
|
|
data[vin] = c_watsour
|
|
elseif data[vin] == c_air
|
|
or data[vin] == c_apple
|
|
or data[vin] == c_leaves then
|
|
data[vin] = c_watsour
|
|
end
|
|
if data[vis] == c_tree then
|
|
highlandpools_remtree(x, yasurf, z - 1, area, data)
|
|
data[visd] = c_watsour
|
|
elseif data[vis] == c_air
|
|
or data[vis] == c_apple
|
|
or data[vis] == c_leaves then
|
|
data[vis] = c_watsour
|
|
end
|
|
end
|
|
end
|
|
end
|
|
if flab then
|
|
break
|
|
end
|
|
end
|
|
if flab then
|
|
break
|
|
end
|
|
end
|
|
if flab then -- erase water from this y level
|
|
for z = z0, z1 do
|
|
for x = x0, x1 do
|
|
local vi = area:index(x, yasurf, z)
|
|
if data[vi] == c_watsour then
|
|
data[vi] = c_air
|
|
end
|
|
end
|
|
end
|
|
else -- flow downwards add dirt
|
|
for z = z0, z1 do
|
|
for x = x0, x1 do
|
|
local vi = area:index(x, yasurf, z)
|
|
if data[vi] == c_watsour then
|
|
for y = yasurf - 1, y0, -1 do
|
|
local viu = area:index(x, y, z)
|
|
if data[viu] == c_air then
|
|
data[viu] = c_watsour
|
|
elseif data[viu] == c_grass then
|
|
data[viu] = c_dirt
|
|
break
|
|
else
|
|
break
|
|
end
|
|
end
|
|
end
|
|
end
|
|
end
|
|
end
|
|
end
|
|
end
|
|
end
|
|
|
|
vm:set_data(data)
|
|
vm:set_lighting({day=0, night=0})
|
|
vm:calc_lighting()
|
|
vm:write_to_map(data)
|
|
|
|
local chugent = math.ceil((os.clock() - t1) * 1000)
|
|
-- print ("[highlandpools] time "..chugent.." ms")
|
|
end)
|