forked from MineClone5/MineClone5
335 lines
11 KiB
Lua
335 lines
11 KiB
Lua
-- Wrapper around mintest.pointed_thing_to_face_pos.
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local function get_fpos(placer, pointed_thing)
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local fpos
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-- Workaround: minetest.pointed_thing_to_face_pos crashes in MT 0.4.16 if
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-- pointed_thing.under and pointed_thing.above are equal
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-- FIXME: Remove this when MT got fixed.
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if not vector.equals(pointed_thing.under, pointed_thing.above) then
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-- The happy case: Everything is normal
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local finepos = minetest.pointed_thing_to_face_pos(placer, pointed_thing)
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fpos = finepos.y % 1
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else
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-- Fallback if both above and under are equal
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fpos = 0
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end
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return fpos
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end
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local function place_slab_normal(itemstack, placer, pointed_thing)
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-- Use pointed node's on_rightclick function first, if present
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local node = minetest.get_node(pointed_thing.under)
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if placer and not placer:get_player_control().sneak then
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if minetest.registered_nodes[node.name] and minetest.registered_nodes[node.name].on_rightclick then
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return minetest.registered_nodes[node.name].on_rightclick(pointed_thing.under, node, placer, itemstack) or itemstack
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end
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end
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local p0 = pointed_thing.under
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local p1 = pointed_thing.above
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local placer_pos = placer:getpos()
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local fpos = get_fpos(placer, pointed_thing)
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local place = ItemStack(itemstack)
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local origname = itemstack:get_name()
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if p0.y - 1 == p1.y or (fpos > 0 and fpos < 0.5)
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or (fpos < -0.5 and fpos > -0.999999999) then
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place:set_name(origname .. "_top")
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end
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local ret = minetest.item_place(place, placer, pointed_thing, 0)
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ret:set_name(origname)
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return ret
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end
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local function place_stair(itemstack, placer, pointed_thing)
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-- Use pointed node's on_rightclick function first, if present
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local node = minetest.get_node(pointed_thing.under)
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if placer and not placer:get_player_control().sneak then
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if minetest.registered_nodes[node.name] and minetest.registered_nodes[node.name].on_rightclick then
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return minetest.registered_nodes[node.name].on_rightclick(pointed_thing.under, node, placer, itemstack) or itemstack
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end
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end
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local p0 = pointed_thing.under
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local p1 = pointed_thing.above
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local param2 = 0
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local placer_pos = placer:getpos()
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if placer_pos then
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param2 = minetest.dir_to_facedir(vector.subtract(p1, placer_pos))
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end
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local fpos = get_fpos(placer, pointed_thing)
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if p0.y - 1 == p1.y or (fpos > 0 and fpos < 0.5)
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or (fpos < -0.5 and fpos > -0.999999999) then
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param2 = param2 + 20
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if param2 == 21 then
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param2 = 23
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elseif param2 == 23 then
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param2 = 21
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end
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end
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return minetest.item_place(itemstack, placer, pointed_thing, param2)
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end
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-- Register mcl_stairs.
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-- Node will be called mcl_stairs:stair_<subname>
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function mcl_stairs.register_stair(subname, recipeitem, groups, images, description, sounds, hardness)
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groups.stair = 1
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groups.building_block = 1
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if recipeitem then
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if not images then
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images = minetest.registered_items[recipeitem].tiles
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end
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if not groups then
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groups = minetest.registered_items[recipeitem].groups
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end
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if not sounds then
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sounds = minetest.registered_items[recipeitem].sounds
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end
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if not hardness then
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hardness = minetest.registered_items[recipeitem]._mcl_hardness
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end
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end
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minetest.register_node(":mcl_stairs:stair_" .. subname, {
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description = description,
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_doc_items_longdesc = "Stairs are useful to reach higher places by walking over them; jumping is not required. Placing stairs in a corner pattern will create corner stairs. Stairs placed on the bottom or at the upper half of the side of a block will be placed upside down.",
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drawtype = "mesh",
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mesh = "stairs_stair.obj",
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tiles = images,
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paramtype = "light",
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paramtype2 = "facedir",
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sunlight_propagates = false,
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is_ground_content = false,
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groups = groups,
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sounds = sounds,
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selection_box = {
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type = "fixed",
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fixed = {
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{-0.5, -0.5, -0.5, 0.5, 0, 0.5},
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{-0.5, 0, 0, 0.5, 0.5, 0.5},
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},
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},
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collision_box = {
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type = "fixed",
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fixed = {
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{-0.5, -0.5, -0.5, 0.5, 0, 0.5},
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{-0.5, 0, 0, 0.5, 0.5, 0.5},
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},
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},
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on_place = function(itemstack, placer, pointed_thing)
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if pointed_thing.type ~= "node" then
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return itemstack
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end
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return place_stair(itemstack, placer, pointed_thing)
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end,
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_mcl_hardness = hardness,
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})
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if recipeitem then
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minetest.register_craft({
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output = 'mcl_stairs:stair_' .. subname .. ' 4',
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recipe = {
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{recipeitem, "", ""},
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{recipeitem, recipeitem, ""},
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{recipeitem, recipeitem, recipeitem},
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},
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})
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-- Flipped recipe
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minetest.register_craft({
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output = 'mcl_stairs:stair_' .. subname .. ' 4',
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recipe = {
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{"", "", recipeitem},
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{"", recipeitem, recipeitem},
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{recipeitem, recipeitem, recipeitem},
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},
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})
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end
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end
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-- Slab facedir to placement 6d matching table
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local slab_trans_dir = {[0] = 8, 0, 2, 1, 3, 4}
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-- Register slabs.
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-- Node will be called mcl_stairs:slab_<subname>
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-- double_description: NEW argument, not supported in Minetest Game
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-- double_description: Description of double slab
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function mcl_stairs.register_slab(subname, recipeitem, groups, images, description, sounds, hardness, double_description)
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local lower_slab = "mcl_stairs:slab_"..subname
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local upper_slab = lower_slab.."_top"
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local double_slab = lower_slab.."_double"
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if recipeitem then
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if not images then
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images = minetest.registered_items[recipeitem].tiles
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end
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if not groups then
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groups = minetest.registered_items[recipeitem].groups
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end
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if not sounds then
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sounds = minetest.registered_items[recipeitem].sounds
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end
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if not hardness then
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hardness = minetest.registered_items[recipeitem]._mcl_hardness
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end
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end
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-- Automatically generate double slab description
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if not double_description then
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double_description = string.format("Double %s", description)
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minetest.log("warning", "[stairs] No explicit description for double slab '"..double_slab.."' added. Using auto-generated description.")
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end
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groups.slab = 1
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groups.building_block = 1
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local longdesc = "Slabs are half as high as their full block counterparts and occupy either the lower or upper part of a block, depending on how it was placed. Slabs can be easily stepped on without needing to jump. When a slab is placed on another slab of the same type, a double slab is created."
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local slabdef = {
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description = description,
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_doc_items_longdesc = longdesc,
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drawtype = "nodebox",
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tiles = images,
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paramtype = "light",
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-- Facedir intentionally left out (see below)
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sunlight_propagates = false,
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is_ground_content = false,
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groups = groups,
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sounds = sounds,
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node_box = {
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type = "fixed",
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fixed = {-0.5, -0.5, -0.5, 0.5, 0, 0.5},
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},
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on_place = function(itemstack, placer, pointed_thing)
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local under = minetest.get_node(pointed_thing.under)
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local wield_item = itemstack:get_name()
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local creative_enabled = minetest.settings:get_bool("creative_mode")
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-- place slab using under node orientation
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local dir = vector.subtract(pointed_thing.above, pointed_thing.under)
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local p2 = under.param2
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-- combine two slabs if possible
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-- Requirements: Same slab material, must be placed on top of lower slab, or on bottom of upper slab
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if (wield_item == under.name or (minetest.registered_nodes[under.name] and wield_item == minetest.registered_nodes[under.name]._mcl_other_slab_half)) and
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not ((dir.y >= 0 and minetest.get_item_group(under.name, "slab_top") == 1) or
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(dir.y <= 0 and minetest.get_item_group(under.name, "slab_top") == 0)) then
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local player_name = placer:get_player_name()
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if minetest.is_protected(pointed_thing.under, player_name) and not
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minetest.check_player_privs(placer, "protection_bypass") then
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minetest.record_protection_violation(pointed_thing.under,
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player_name)
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return
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end
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local newnode = double_slab
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minetest.set_node(pointed_thing.under, {name = newnode, param2 = p2})
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if not creative_enabled then
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itemstack:take_item()
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end
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return itemstack
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-- No combination possible: Place slab normally
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else
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return place_slab_normal(itemstack, placer, pointed_thing)
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end
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end,
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_mcl_hardness = hardness,
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_mcl_other_slab_half = upper_slab,
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}
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minetest.register_node(":"..lower_slab, slabdef)
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-- Register the upper slab.
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-- Using facedir is not an option, as this would rotate the textures as well and would make
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-- e.g. upper sandstone slabs look completely wrong.
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local topdef = table.copy(slabdef)
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topdef.groups.slab = 1
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topdef.groups.slab_top = 1
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topdef.groups.not_in_creative_inventory = 1
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topdef.groups.not_in_craft_guide = 1
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topdef.description = string.format("Upper %s", description)
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topdef._doc_items_create_entry = false
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topdef._doc_items_longdesc = nil
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topdef._doc_items_usagehelp = nil
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topdef.drop = lower_slab
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topdef._mcl_other_slab_half = lower_slab
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topdef.node_box = {
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type = "fixed",
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fixed = {-0.5, 0, -0.5, 0.5, 0.5, 0.5},
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}
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topdef.selection_box = {
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type = "fixed",
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fixed = {-0.5, 0, -0.5, 0.5, 0.5, 0.5},
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}
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minetest.register_node(":"..upper_slab, topdef)
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-- Double slab node
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local dgroups = table.copy(groups)
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dgroups.not_in_creative_inventory = 1
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dgroups.not_in_craft_guide = 1
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dgroups.slab = nil
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dgroups.double_slab = 1
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minetest.register_node(":"..double_slab, {
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description = double_description,
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_doc_items_longdesc = "Double slabs are full blocks which are created by placing two slabs of the same kind on each other.",
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tiles = images,
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is_ground_content = false,
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groups = dgroups,
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sounds = sounds,
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drop = lower_slab .. " 2",
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_mcl_hardness = hardness,
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})
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if recipeitem then
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minetest.register_craft({
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output = lower_slab .. " 6",
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recipe = {
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{recipeitem, recipeitem, recipeitem},
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},
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})
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end
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-- Help alias for the upper slab
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if minetest.get_modpath("doc") then
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doc.add_entry_alias("nodes", lower_slab, "nodes", upper_slab)
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end
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end
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-- Stair/slab registration function.
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-- Nodes will be called mcl_stairs:{stair,slab}_<subname>
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function mcl_stairs.register_stair_and_slab(subname, recipeitem,
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groups, images, desc_stair, desc_slab, sounds, hardness,
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double_description)
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mcl_stairs.register_stair(subname, recipeitem, groups, images, desc_stair, sounds, hardness)
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mcl_stairs.register_slab(subname, recipeitem, groups, images, desc_slab, sounds, hardness, double_description)
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end
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-- Very simple registration function
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-- Makes stair and slab out of a source node
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function mcl_stairs.register_stair_and_slab_simple(subname, sourcenode, desc_stair, desc_slab, desc_double_slab)
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local def = minetest.registered_nodes[sourcenode]
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local groups = {}
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-- Only allow a strict set of groups to be added to stairs and slabs for more predictable results
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local allowed_groups = { "dig_immediate", "handy", "pickaxey", "axey", "shovely", "shearsy", "shearsy_wool", "swordy", "swordy_wool" }
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for a=1, #allowed_groups do
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if def.groups[allowed_groups[a]] then
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groups[allowed_groups[a]] = def.groups[allowed_groups[a]]
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end
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end
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mcl_stairs.register_stair_and_slab(subname, sourcenode, groups, def.tiles, desc_stair, desc_slab, def.sounds, def._mcl_hardness, desc_double_slab)
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end
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