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Use a simpler way of detecting up/down piston placement (thanks Jeija).

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This commit is contained in:
Anthony Zhang 2012-12-16 15:12:24 -05:00
parent 9dee0c020c
commit c50b68cf83
1 changed files with 16 additions and 40 deletions
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56
mesecons_pistons/init.lua
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@ -184,28 +184,16 @@ minetest.register_node("mesecons_pistons:piston_normal", {
paramtype2 = "facedir", paramtype2 = "facedir",
after_destruct = destruct, after_destruct = destruct,
on_timer = timer, on_timer = timer,
on_place = function(itemstack, placer, pointed_thing) after_place_node = function(pos, placer)
if pointed_thing.type ~= "node" then --can be placed only on nodes if not placer then --not placed by player
return itemstack return
end end
if not placer then local pitch = placer:get_look_pitch() * (180 / math.pi) --placer pitch in degrees
return minetest.item_place(itemstack, placer, pointed_thing) if pitch > 45 then --looking upwards
minetest.env:add_node(pos, {name="mesecons_pistons:piston_down_normal"})
elseif pitch < 45 then --looking downwards
minetest.env:add_node(pos, {name="mesecons_pistons:piston_up_normal"})
end end
local dir = placer:get_look_dir()
if math.abs(dir.y) > math.sqrt(dir.x ^ 2 + dir.z ^ 2) then --vertical look direction is most significant
local fakestack
if dir.y > 0 then
fakestack = ItemStack("mesecons_pistons:piston_down_normal")
else
fakestack = ItemStack("mesecons_pistons:piston_up_normal")
end
local ret = minetest.item_place(fakestack, placer, pointed_thing)
if ret:is_empty() then
itemstack:take_item()
return itemstack
end
end
return minetest.item_place(itemstack, placer, pointed_thing) --place piston normally
end, end,
mesecons = {effector={ mesecons = {effector={
action_change = update action_change = update
@ -219,28 +207,16 @@ minetest.register_node("mesecons_pistons:piston_sticky", {
paramtype2 = "facedir", paramtype2 = "facedir",
after_destruct = destruct, after_destruct = destruct,
on_timer = timer, on_timer = timer,
on_place = function(itemstack, placer, pointed_thing) after_place_node = function(pos, placer)
if pointed_thing.type ~= "node" then --can be placed only on nodes if not placer then --not placed by player
return itemstack return
end end
if not placer then local pitch = placer:get_look_pitch() * (180 / math.pi) --placer pitch in degrees
return minetest.item_place(itemstack, placer, pointed_thing) if pitch > 45 then --looking upwards
minetest.env:add_node(pos, {name="mesecons_pistons:piston_down_sticky"})
elseif pitch < 45 then --looking downwards
minetest.env:add_node(pos, {name="mesecons_pistons:piston_up_sticky"})
end end
local dir = placer:get_look_dir()
if math.abs(dir.y) > math.sqrt(dir.x ^ 2 + dir.z ^ 2) then --vertical look direction is most significant
local fakestack
if dir.y > 0 then
fakestack = ItemStack("mesecons_pistons:piston_down_sticky")
else
fakestack = ItemStack("mesecons_pistons:piston_up_sticky")
end
local ret = minetest.item_place(fakestack, placer, pointed_thing)
if ret:is_empty() then
itemstack:take_item()
return itemstack
end
end
return minetest.item_place(itemstack, placer, pointed_thing) --place piston normally
end, end,
mesecons = {effector={ mesecons = {effector={
action_change = update action_change = update