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Add screwdriver callbacks, and code them for doors and beds

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This commit is contained in:
Novatux
2015-05-13 11:49:11 +02:00
parent 852b337916
commit 2824562dc9
4 changed files with 142 additions and 25 deletions
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68
mods/screwdriver/init.lua
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@@ -1,3 +1,5 @@
screwdriver = {}
local function nextrange(x, max)
x = x + 1
if x > max then
@@ -6,8 +8,16 @@ local function nextrange(x, max)
return x
end
local ROTATE_FACE = 1
local ROTATE_AXIS = 2
screwdriver.ROTATE_FACE = 1
screwdriver.ROTATE_AXIS = 2
screwdriver.disallow = function(pos, node, user, mode, new_param2)
return false
end
screwdriver.rotate_simple = function(pos, node, user, mode, new_param2)
if mode ~= screwdriver.ROTATE_FACE then
return false
end
end
local USES = 200
-- Handles rotation
@@ -25,31 +35,47 @@ local function screwdriver_handler(itemstack, user, pointed_thing, mode)
local node = minetest.get_node(pos)
local ndef = minetest.registered_nodes[node.name]
if not ndef or not ndef.paramtype2 == "facedir" or
(ndef.drawtype == "nodebox" and
not ndef.node_box.type == "fixed") or
node.param2 == nil then
return
end
if ndef.can_dig and not ndef.can_dig(pos, user) then
return
end
-- Set param2
-- Compute param2
local rotationPart = node.param2 % 32 -- get first 4 bits
local preservePart = node.param2 - rotationPart
local axisdir = math.floor(rotationPart / 4)
local rotation = rotationPart - axisdir * 4
if mode == ROTATE_FACE then
if mode == screwdriver.ROTATE_FACE then
rotationPart = axisdir * 4 + nextrange(rotation, 3)
elseif mode == ROTATE_AXIS then
elseif mode == screwdriver.ROTATE_AXIS then
rotationPart = nextrange(axisdir, 5) * 4
end
node.param2 = preservePart + rotationPart
minetest.swap_node(pos, node)
local new_param2 = preservePart + rotationPart
local should_rotate = true
if ndef and ndef.on_rotate then -- Node provides a handler, so let the handler decide instead if the node can be rotated
-- Copy pos and node because callback can modify it
local result = ndef.on_rotate(vector.new(pos),
{name = node.name, param1 = node.param1, param2 = node.param2},
user, mode)
if result == false then -- Disallow rotation
return
elseif result == true then
should_rotate = false
end
else
if not ndef or not ndef.paramtype2 == "facedir" or
(ndef.drawtype == "nodebox" and
not ndef.node_box.type == "fixed") or
node.param2 == nil then
return
end
if ndef.can_dig and not ndef.can_dig(pos, user) then
return
end
end
if should_rotate then
node.param2 = new_param2
minetest.swap_node(pos, node)
end
if not minetest.setting_getbool("creative_mode") then
itemstack:add_wear(65535 / (USES - 1))
@@ -63,11 +89,11 @@ minetest.register_tool("screwdriver:screwdriver", {
description = "Screwdriver (left-click rotates face, right-click rotates axis)",
inventory_image = "screwdriver.png",
on_use = function(itemstack, user, pointed_thing)
screwdriver_handler(itemstack, user, pointed_thing, ROTATE_FACE)
screwdriver_handler(itemstack, user, pointed_thing, screwdriver.ROTATE_FACE)
return itemstack
end,
on_place = function(itemstack, user, pointed_thing)
screwdriver_handler(itemstack, user, pointed_thing, ROTATE_AXIS)
screwdriver_handler(itemstack, user, pointed_thing, screwdriver.ROTATE_AXIS)
return itemstack
end,
})