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MineClone2/mods/ENTITIES/mcl_mobs/api/mob_functions/flow_lib.lua

79 lines
1.8 KiB
Lua

--this is from https://github.com/HybridDog/builtin_item/blob/e6dfd9dce86503b3cbd1474257eca5f6f6ca71c2/init.lua#L50
local
minetest,vector,math,pairs,minetest_get_node,vector_subtract,minetest_registered_nodes
=
minetest,vector,math,pairs,minetest.get_node,vector.subtract,minetest.registered_nodes
local tab
local n
local function get_nodes(pos)
tab,n = {},1
for i = -1,1,2 do
for _,p in pairs({
{x=pos.x+i, y=pos.y, z=pos.z},
{x=pos.x, y=pos.y, z=pos.z+i}
}) do
tab[n] = {p, minetest_get_node(p)}
n = n+1
end
end
return tab
end
local data
local param2
local nd
local par2
local name
local tmp
local c_node
function mobs.get_flowing_dir(pos)
c_node = minetest_get_node(pos).name
if c_node ~= "mcl_core:water_flowing" and c_node ~= "mcl_core:water" then
return nil
end
data = get_nodes(pos)
param2 = minetest_get_node(pos).param2
if param2 > 7 then
return nil
end
if c_node == "mcl_core:water" then
for _,i in pairs(data) do
nd = i[2]
name = nd.name
par2 = nd.param2
if name == "mcl_core:water_flowing" and par2 == 7 then
return(vector_subtract(i[1],pos))
end
end
end
for _,i in pairs(data) do
nd = i[2]
name = nd.name
par2 = nd.param2
if name == "mcl_core:water_flowing" and par2 < param2 then
return(vector_subtract(i[1],pos))
end
end
for _,i in pairs(data) do
nd = i[2]
name = nd.name
par2 = nd.param2
if name == "mcl_core:water_flowing" and par2 >= 11 then
return(vector_subtract(i[1],pos))
end
end
for _,i in pairs(data) do
nd = i[2]
name = nd.name
par2 = nd.param2
tmp = minetest_registered_nodes[name]
if tmp and not tmp.walkable and name ~= "mcl_core:water_flowing" and name ~= "mcl_core:water" then
return(vector_subtract(i[1],pos))
end
end
return nil
end