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Improved the grate - water can now flow in more than one direction when it enters the grate. (Warning: possible race condition issues up ahead.)

This commit is contained in:
rdococ 2017-08-03 02:14:41 +01:00
parent 7fc84b4c86
commit 5ff97f38ab
1 changed files with 47 additions and 2 deletions
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49
grate.lua
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@ -34,7 +34,7 @@ local function grate_step(pos, offset)
if opposite_def.walkable then return end
local opposite_level = opposite_node.param2 % 16
if opposite_level < 8 then opposite_level = opposite_level * 2 end
if opposite_level < 8 then opposite_level = opposite_level * 2 else opposite_level = (opposite_level - 8) * 2 end
if opposite_def.liquidtype == "source" then opposite_level = 16 end
if opposite_level > level - 2 or opposite_def.liquidtype == "source" then return end
@ -73,12 +73,57 @@ local function grate_step(pos, offset)
end
local new_param2 = neigh_def.liquidtype == "source" and 6 or neigh_node.param2 - 2
if new_param2 < 1 then return end
if new_param2 < 0 then return end
minetest.set_node(flow_to, {
name = neigh_flowing,
param1 = neigh_node.param1,
param2 = new_param2
})
-- And we're done.
-- WAIT! We're not done.
if offset.y == 0 then
local left_flow = {x = offset.z, y = 0, z = -offset.x}
local left_pos = vector.add(pos, left_flow)
local left_node = minetest.get_node(left_pos)
local left_name
if left_node then left_name = left_node.name end
local left_def = left_name and minetest.registered_nodes[left_name]
local right_flow = {x = -offset.z, y = 0, z = offset.x}
local right_pos = vector.add(pos, right_flow)
local right_node = minetest.get_node(right_pos)
local right_name
if right_node then right_name = right_node.name end
local right_def = right_name and minetest.registered_nodes[right_name]
local left_level = left_node.param2 % 16
if left_level < 8 then left_level = left_level * 2 else left_level = (left_level - 8) * 2 end
if left_def and left_def.liquidtype == "source" then left_level = 16 end
local right_level = right_node.param2 % 16
if right_level < 8 then right_level = right_level * 2 else right_level = (right_level - 8) * 2 end
if right_def and right_def.liquidtype == "source" then right_level = 16 end
if left_node and (left_name == "air" or (left_def.liquidtype == "flowing" and left_level < level - 2)) then
-- May as well spread here, too.
minetest.set_node(left_pos, {
name = neigh_flowing,
param1 = neigh_node.param1,
param2 = new_param2
})
end
if right_node and (right_name == "air" or (right_def.liquidtype == "flowing" and right_level < level - 2)) then
-- May as well spread here, too.
minetest.set_node(right_pos, {
name = neigh_flowing,
param1 = neigh_node.param1,
param2 = new_param2
})
end
end
end
minetest.register_abm({