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Add the group attached_node

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Nodes in this group will be dropped as items if the node under them or the node in the wallmounted direction is not walkable.
This commit is contained in:
PilzAdam 2012-12-01 13:32:32 +01:00
parent bb454b1846
commit fa76057e7f
4 changed files with 63 additions and 4 deletions
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49
builtin/falling.lua
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@ -91,6 +91,48 @@ function spawn_falling_node(p, nodename)
obj:get_luaentity():set_node(nodename)
end
function drop_attached_node(p)
local nn = minetest.env:get_node(p).name
minetest.env:remove_node(p)
for _,item in ipairs(minetest.get_node_drops(nn, "")) do
local pos = {
x = p.x + math.random(60)/60-0.3,
y = p.y + math.random(60)/60-0.3,
z = p.z + math.random(60)/60-0.3,
}
minetest.env:add_item(pos, item)
end
end
function check_attached_node(p, n)
local def = minetest.registered_nodes[n.name]
local d = {x=0, y=0, z=0}
if def.paramtype2 == "wallmounted" then
if n.param2 == 0 then
d.y = 1
elseif n.param2 == 1 then
d.y = -1
elseif n.param2 == 2 then
d.x = 1
elseif n.param2 == 3 then
d.x = -1
elseif n.param2 == 4 then
d.z = 1
elseif n.param2 == 5 then
d.z = -1
end
else
d.y = -1
end
local p2 = {x=p.x+d.x, y=p.y+d.y, z=p.z+d.z}
local nn = minetest.env:get_node(p2).name
local def2 = minetest.registered_nodes[nn]
if def2 and not def2.walkable then
return false
end
return true
end
--
-- Some common functions
--
@ -108,6 +150,13 @@ function nodeupdate_single(p)
nodeupdate(p)
end
end
if minetest.get_node_group(n.name, "attached_node") ~= 0 then
if not check_attached_node(p, n) then
drop_attached_node(p)
nodeupdate(p)
end
end
end
function nodeupdate(p)