From 0636d574afa3fee82468166f11eaaf45a84ba692 Mon Sep 17 00:00:00 2001 From: PilzAdam Date: Sat, 15 Dec 2012 15:01:49 +0100 Subject: [PATCH] Add upside down slabs and stairs --- mods/stairs/init.lua | 96 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 96 insertions(+) diff --git a/mods/stairs/init.lua b/mods/stairs/init.lua index 1be5f5b5..3e7f927d 100644 --- a/mods/stairs/init.lua +++ b/mods/stairs/init.lua @@ -21,6 +21,43 @@ function stairs.register_stair(subname, recipeitem, groups, images, description, {-0.5, 0, 0, 0.5, 0.5, 0.5}, }, }, + on_place = function(itemstack, placer, pointed_thing) + if pointed_thing.type ~= "node" then + return itemstack + end + + local p0 = pointed_thing.under + local p1 = pointed_thing.above + if p0.y-1 == p1.y then + local fakestack = ItemStack("stairs:stair_" .. subname.."upside_down") + local ret = minetest.item_place(fakestack, placer, pointed_thing) + if ret:is_empty() then + itemstack:take_item() + return itemstack + end + end + + -- Otherwise place regularly + return minetest.item_place(itemstack, placer, pointed_thing) + end, + }) + + minetest.register_node("stairs:stair_" .. subname.."upside_down", { + drop = "stairs:stair_" .. subname, + drawtype = "nodebox", + tiles = images, + paramtype = "light", + paramtype2 = "facedir", + is_ground_content = true, + groups = groups, + sounds = sounds, + node_box = { + type = "fixed", + fixed = { + {-0.5, 0, -0.5, 0.5, 0.5, 0.5}, + {-0.5, -0.5, 0, 0.5, 0, 0.5}, + }, + }, }) minetest.register_craft({ @@ -95,10 +132,69 @@ function stairs.register_slab(subname, recipeitem, groups, images, description, return itemstack end + -- Upside down slabs + if p0.y-1 == p1.y then + -- Turn into full block if pointing at a existing slab + if n0.name == "stairs:slab_" .. subname.."upside_down" then + -- Remove the slab at the position of the slab + minetest.env:remove_node(p0) + -- Make a fake stack of a single item and try to place it + local fakestack = ItemStack(recipeitem) + pointed_thing.above = p0 + fakestack = minetest.item_place(fakestack, placer, pointed_thing) + -- If the item was taken from the fake stack, decrement original + if not fakestack or fakestack:is_empty() then + itemstack:take_item(1) + -- Else put old node back + else + minetest.env:set_node(p0, n0) + end + return itemstack + end + + -- Place upside down slab + local fakestack = ItemStack("stairs:slab_" .. subname.."upside_down") + local ret = minetest.item_place(fakestack, placer, pointed_thing) + if ret:is_empty() then + itemstack:take_item() + return itemstack + end + end + + -- If pointing at the side of a upside down slab + if n0.name == "stairs:slab_" .. subname.."upside_down" and + p0.y+1 ~= p1.y then + -- Place upside down slab + local fakestack = ItemStack("stairs:slab_" .. subname.."upside_down") + local ret = minetest.item_place(fakestack, placer, pointed_thing) + if ret:is_empty() then + itemstack:take_item() + return itemstack + end + end + -- Otherwise place regularly return minetest.item_place(itemstack, placer, pointed_thing) end, }) + + minetest.register_node("stairs:slab_" .. subname.."upside_down", { + drop = "stairs:slab_"..subname, + drawtype = "nodebox", + tiles = images, + paramtype = "light", + is_ground_content = true, + groups = groups, + sounds = sounds, + node_box = { + type = "fixed", + fixed = {-0.5, 0, -0.5, 0.5, 0.5, 0.5}, + }, + selection_box = { + type = "fixed", + fixed = {-0.5, 0, -0.5, 0.5, 0.5, 0.5}, + }, + }) minetest.register_craft({ output = 'stairs:slab_' .. subname .. ' 3',