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dynamic_liquid
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better flood-fill

mineclone_compatibility
FaceDeer 2018-11-18 12:30:57 -07:00
parent b7fe69eb24
commit ecbb80ec5f
1 changed files with 35 additions and 14 deletions
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49
init.lua
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@ -49,7 +49,7 @@ local set_node = minetest.set_node
dynamic_liquid.liquid_abm = function(liquid, flowing_liquid, chance)
minetest.register_abm({
label = "dynamic_liquid " .. liquid,
label = "dynamic_liquid " .. liquid .. " and " .. flowing_liquid,
nodenames = {liquid},
neighbors = {flowing_liquid},
interval = 1,
@ -355,12 +355,24 @@ end
local mapgen_prefill = minetest.setting_getbool("dynamic_liquid_mapgen_prefill")
mapgen_prefill = mapgen_prefill or mapgen_prefill == nil -- default true
local waternodes
if mapgen_prefill then
local c_water = minetest.get_content_id("default:water_source")
local c_air = minetest.get_content_id("air")
waternodes = {}
local fill_to = function (vi, data, area)
if area:containsi(vi) then
if data[vi] == c_air then
data[vi] = c_water
table.insert(waternodes, vi)
end
end
end
minetest.register_on_generated(function(minp, maxp, seed)
if minp.y >= water_level then
if minp.y >= water_level or maxp.y < -70 then
return
end
@ -368,20 +380,29 @@ if mapgen_prefill then
local area = VoxelArea:new{MinEdge=emin, MaxEdge=emax}
vm:get_data(data)
local filling = false
for z = minp.z, maxp.z do
for x = minp.x, maxp.x do
for y = maxp.y, minp.y, -1 do
local vi = area:index(x,y,z)
if data[vi] == c_water then
filling = true
elseif data[vi] == c_air and filling == true then
data[vi] = c_water
else filling = false end
end
filling = false
local top = vector.new(maxp.x, math.min(maxp.y, water_level), maxp.z) -- prevents flood fill from affecting any water above sea level
for vi in area:iterp(minp, top) do
if data[vi] == c_water then
table.insert(waternodes, vi)
end
end
while table.getn(waternodes) > 0 do
local vi = table.remove(waternodes)
local below = vi - area.ystride
local left = vi - area.zstride
local right = vi + area.zstride
local front = vi - 1
local back = vi + 1
fill_to(below, data, area)
fill_to(left, data, area)
fill_to(right, data, area)
fill_to(front, data, area)
fill_to(back, data, area)
end
vm:set_data(data)
vm:write_to_map()
vm:update_liquids()