Make light blocks `buildable_to`
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@ -34,7 +34,6 @@ function mcl_util.mcl_log (message, module, bypass_default_logger)
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end
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end
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function mcl_util.file_exists(name)
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if type(name) ~= "string" then return end
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local f = io.open(name)
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@ -704,8 +703,10 @@ assert(not close_enough(test_eh,test_eh_diff))
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assert(not close_enough(test_nt, test_nt_diff)) --no floats involved here
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--tests for properties_changed
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local test_properties_set1={collisionbox = {-0.35,0,-0.35,0.35,0.8,0.35}, eye_height = 0.65, nametag_color = { r = 225, b = 225, a = 225, g = 225 }}
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local test_properties_set2={collisionbox = {-0.35,0,-0.35,0.35,0.8,0.35}, eye_height = 1.35, nametag_color = { r = 225, b = 225, a = 225, g = 225 }}
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local test_properties_set1 = {collisionbox = {-0.35, 0, -0.35, 0.35, 0.8, 0.35}, eye_height = 0.65,
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nametag_color = {r = 225, b = 225, a = 225, g = 225}}
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local test_properties_set2 = {collisionbox = {-0.35, 0, -0.35, 0.35, 0.8, 0.35}, eye_height = 1.35,
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nametag_color = {r = 225, b = 225, a = 225, g = 225}}
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local test_p1, _ = props_changed(test_properties_set1, test_properties_set1)
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local test_p2, _ = props_changed(test_properties_set1, test_properties_set2)
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@ -729,6 +730,243 @@ function mcl_util.set_bone_position(obj, bone, pos, rot)
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end
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end
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---Return a function to use in `on_place`.
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---
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---Allow to bypass the `buildable_to` node field in a `on_place` callback.
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---
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---You have to make sure that the nodes you return true for have `buildable_to = true`.
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---@param func fun(node_name: string): boolean Return `true` if node must not replace the buildable_to node which have `node_name`
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---@return fun(itemstack: ItemStack, placer: ObjectRef, pointed_thing: pointed_thing, param2: integer): ItemStack?
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function mcl_util.bypass_buildable_to(func)
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--------------------------
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-- MINETEST CODE: UTILS --
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--------------------------
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local function copy_pointed_thing(pointed_thing)
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return {
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type = pointed_thing.type,
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above = pointed_thing.above and vector.copy(pointed_thing.above),
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under = pointed_thing.under and vector.copy(pointed_thing.under),
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ref = pointed_thing.ref,
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}
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end
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local function user_name(user)
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return user and user:get_player_name() or ""
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end
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-- Returns a logging function. For empty names, does not log.
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local function make_log(name)
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return name ~= "" and minetest.log or function() end
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end
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local function check_attached_node(p, n, group_rating)
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local def = core.registered_nodes[n.name]
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local d = vector.zero()
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if group_rating == 3 then
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-- always attach to floor
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d.y = -1
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elseif group_rating == 4 then
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-- always attach to ceiling
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d.y = 1
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elseif group_rating == 2 then
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-- attach to facedir or 4dir direction
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if (def.paramtype2 == "facedir" or
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def.paramtype2 == "colorfacedir") then
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-- Attach to whatever facedir is "mounted to".
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-- For facedir, this is where tile no. 5 point at.
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-- The fallback vector here is in case 'facedir to dir' is nil due
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-- to voxelmanip placing a wallmounted node without resetting a
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-- pre-existing param2 value that is out-of-range for facedir.
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-- The fallback vector corresponds to param2 = 0.
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d = core.facedir_to_dir(n.param2) or vector.new(0, 0, 1)
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elseif (def.paramtype2 == "4dir" or
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def.paramtype2 == "color4dir") then
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-- Similar to facedir handling
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d = core.fourdir_to_dir(n.param2) or vector.new(0, 0, 1)
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end
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elseif def.paramtype2 == "wallmounted" or
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def.paramtype2 == "colorwallmounted" then
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-- Attach to whatever this node is "mounted to".
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-- This where tile no. 2 points at.
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-- The fallback vector here is used for the same reason as
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-- for facedir nodes.
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d = core.wallmounted_to_dir(n.param2) or vector.new(0, 1, 0)
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else
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d.y = -1
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end
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local p2 = vector.add(p, d)
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local nn = core.get_node(p2).name
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local def2 = core.registered_nodes[nn]
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if def2 and not def2.walkable then
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return false
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end
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return true
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end
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return function(itemstack, placer, pointed_thing, param2)
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-------------------
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-- MINETEST CODE --
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-------------------
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local def = itemstack:get_definition()
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if def.type ~= "node" or pointed_thing.type ~= "node" then
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return itemstack
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end
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local under = pointed_thing.under
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local oldnode_under = minetest.get_node_or_nil(under)
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local above = pointed_thing.above
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local oldnode_above = minetest.get_node_or_nil(above)
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local playername = user_name(placer)
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local log = make_log(playername)
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if not oldnode_under or not oldnode_above then
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log("info", playername .. " tried to place"
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.. " node in unloaded position " .. minetest.pos_to_string(above))
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return itemstack
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end
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local olddef_under = minetest.registered_nodes[oldnode_under.name]
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olddef_under = olddef_under or minetest.nodedef_default
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local olddef_above = minetest.registered_nodes[oldnode_above.name]
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olddef_above = olddef_above or minetest.nodedef_default
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if not olddef_above.buildable_to and not olddef_under.buildable_to then
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log("info", playername .. " tried to place"
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.. " node in invalid position " .. minetest.pos_to_string(above)
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.. ", replacing " .. oldnode_above.name)
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return itemstack
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end
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---------------------
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-- CUSTOMIZED CODE --
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---------------------
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-- Place above pointed node
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local place_to = vector.copy(above)
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-- If node under is buildable_to, check for callback result and place into it instead
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if olddef_under.buildable_to and not func(oldnode_under.name) then
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log("info", "node under is buildable to")
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place_to = vector.copy(under)
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end
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-------------------
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-- MINETEST CODE --
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-------------------
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if minetest.is_protected(place_to, playername) then
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log("action", playername
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.. " tried to place " .. def.name
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.. " at protected position "
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.. minetest.pos_to_string(place_to))
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minetest.record_protection_violation(place_to, playername)
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return itemstack
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end
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local oldnode = minetest.get_node(place_to)
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local newnode = {name = def.name, param1 = 0, param2 = param2 or 0}
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-- Calculate direction for wall mounted stuff like torches and signs
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if def.place_param2 ~= nil then
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newnode.param2 = def.place_param2
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elseif (def.paramtype2 == "wallmounted" or
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def.paramtype2 == "colorwallmounted") and not param2 then
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local dir = vector.subtract(under, above)
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newnode.param2 = minetest.dir_to_wallmounted(dir)
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-- Calculate the direction for furnaces and chests and stuff
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elseif (def.paramtype2 == "facedir" or
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def.paramtype2 == "colorfacedir" or
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def.paramtype2 == "4dir" or
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def.paramtype2 == "color4dir") and not param2 then
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local placer_pos = placer and placer:get_pos()
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if placer_pos then
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local dir = vector.subtract(above, placer_pos)
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newnode.param2 = minetest.dir_to_facedir(dir)
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log("info", "facedir: " .. newnode.param2)
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end
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end
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local metatable = itemstack:get_meta():to_table().fields
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-- Transfer color information
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if metatable.palette_index and not def.place_param2 then
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local color_divisor = nil
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if def.paramtype2 == "color" then
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color_divisor = 1
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elseif def.paramtype2 == "colorwallmounted" then
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color_divisor = 8
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elseif def.paramtype2 == "colorfacedir" then
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color_divisor = 32
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elseif def.paramtype2 == "color4dir" then
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color_divisor = 4
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elseif def.paramtype2 == "colordegrotate" then
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color_divisor = 32
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end
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if color_divisor then
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local color = math.floor(metatable.palette_index / color_divisor)
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local other = newnode.param2 % color_divisor
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newnode.param2 = color * color_divisor + other
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end
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end
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-- Check if the node is attached and if it can be placed there
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local an = minetest.get_item_group(def.name, "attached_node")
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if an ~= 0 and
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not check_attached_node(place_to, newnode, an) then
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log("action", "attached node " .. def.name ..
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" cannot be placed at " .. minetest.pos_to_string(place_to))
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return itemstack
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end
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log("action", playername .. " places node "
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.. def.name .. " at " .. minetest.pos_to_string(place_to))
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-- Add node and update
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minetest.add_node(place_to, newnode)
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-- Play sound if it was done by a player
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if playername ~= "" and def.sounds and def.sounds.place then
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minetest.sound_play(def.sounds.place, {
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pos = place_to,
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exclude_player = playername,
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}, true)
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end
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local take_item = true
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-- Run callback
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if def.after_place_node then
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-- Deepcopy place_to and pointed_thing because callback can modify it
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local place_to_copy = vector.copy(place_to)
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local pointed_thing_copy = copy_pointed_thing(pointed_thing)
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if def.after_place_node(place_to_copy, placer, itemstack,
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pointed_thing_copy) then
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take_item = false
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end
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end
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-- Run script hook
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for _, callback in ipairs(minetest.registered_on_placenodes) do
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-- Deepcopy pos, node and pointed_thing because callback can modify them
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local place_to_copy = vector.copy(place_to)
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local newnode_copy = {name = newnode.name, param1 = newnode.param1, param2 = newnode.param2}
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local oldnode_copy = {name = oldnode.name, param1 = oldnode.param1, param2 = oldnode.param2}
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local pointed_thing_copy = copy_pointed_thing(pointed_thing)
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if callback(place_to_copy, newnode_copy, placer, oldnode_copy, itemstack, pointed_thing_copy) then
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take_item = false
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end
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end
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if take_item then
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itemstack:take_item()
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end
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return itemstack
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end
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end
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--[[Check for a protection violation in a given area.
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--
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-- Applies is_protected() to a 3D lattice of points in the defined volume. The points are spaced
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@ -262,6 +262,8 @@ for i = 0, 14 do --minetest.LIGHT_MAX
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walkable = false,
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light_source = i,
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drop = "",
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buildable_to = true,
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node_placement_prediction = "",
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inventory_image = "mcl_core_light_" .. i .. ".png",
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wield_image = "mcl_core_light_" .. i .. ".png",
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sunlight_propagates = true,
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@ -272,6 +274,9 @@ for i = 0, 14 do --minetest.LIGHT_MAX
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itemstack:set_name("mcl_core:light_" .. ((i == 14) and 0 or i + 1))
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return itemstack
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end,
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on_place = mcl_util.bypass_buildable_to(function(node_name)
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return string.match(node_name, "^mcl_core:light_(%d+)$")
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end),
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after_place_node = function(pos, placer, itemstack, pointed_thing)
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if placer == nil then
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return
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