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Don't wash away nodes diagonally

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This commit is contained in:
Wuzzy 2017-05-15 01:09:33 +02:00
parent 7ac57b7a0b
commit 91dc94a41f
1 changed files with 20 additions and 17 deletions
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39
mods/ITEMS/mcl_core/functions.lua
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@ -92,7 +92,7 @@ local function drop_attached_node(p)
end
end
-- Remove attached nodes next to and below water.
-- Remove attached nodes next to and below water (excluding diagonals)
-- TODO: This is just an approximation! Attached nodes should be removed if water wants to flow INTO that space.
minetest.register_abm({
label = "Detach dig_by_water nodes near water",
@ -101,29 +101,32 @@ minetest.register_abm({
interval = 1,
chance = 1,
action = function(pos, node, active_object_count, active_object_count_wider)
local check_detach = function(pos, xp, yp, zp)
local p = {x=pos.x+xp, y=pos.y+yp, z=pos.z+zp}
local n = minetest.get_node(p)
local d = minetest.registered_nodes[n.name]
if (d.groups.water) then
drop_attached_node(pos)
minetest.dig_node(pos)
return true
else
return false
end
end
local dug = false
for xp=-1,1 do
if check_detach(pos, xp, 0, 0) then dug = true; break end
end
if not dug then
for zp=-1,1 do
local p = {x=pos.x+xp, y=pos.y, z=pos.z+zp}
local n = minetest.get_node(p)
local d = minetest.registered_nodes[n.name]
if (d.groups.water) then
drop_attached_node(pos)
minetest.dig_node(pos)
break
end
end
if check_detach(pos, 0, 0, zp) then dug = true; break end
end
if not dug then
for yp=0,1 do
local p = {x=pos.x, y=pos.y+yp, z=pos.z}
local n = minetest.get_node(p)
local d = minetest.registered_nodes[n.name]
if (d.groups.water) then
drop_attached_node(pos)
minetest.dig_node(pos)
break
if check_detach(pos, 0, yp, 0) then break end
end
end
end
end,
})