From 728ef1060b9e47de4258d4f0f1d2c306f85dbd4a Mon Sep 17 00:00:00 2001
From: cora <coradelamouche@gmx.ch>
Date: Mon, 6 Jun 2022 21:00:59 +0200
Subject: [PATCH] Add horizontal scaffolding

---
 mods/ITEMS/mcl_scaffolding/init.lua | 57 ++++++++++++++++++++++++++++-
 1 file changed, 55 insertions(+), 2 deletions(-)

diff --git a/mods/ITEMS/mcl_scaffolding/init.lua b/mods/ITEMS/mcl_scaffolding/init.lua
index 8cd702b21..017cd5216 100644
--- a/mods/ITEMS/mcl_scaffolding/init.lua
+++ b/mods/ITEMS/mcl_scaffolding/init.lua
@@ -2,6 +2,13 @@ local modname = minetest.get_current_modname()
 local S = minetest.get_translator(modname)
 local has_bamboo = minetest.get_modpath("mcl_bamboo")
 
+local adjacents = {
+	vector.new(0,0,1),
+	vector.new(0,0,-1),
+	vector.new(1,0,0),
+	vector.new(-1,0,0),
+}
+
 minetest.register_node("mcl_scaffolding:scaffolding", {
 	description = S("Scaffolding"),
 	doc_items_longdesc = S("Scaffolding block..."),
@@ -25,12 +32,13 @@ minetest.register_node("mcl_scaffolding:scaffolding", {
 			{-0.5, -0.5, -0.5, 0.5, 0.5, 0.5},
 		},
 	},
+	buildable_to = false,
 	is_ground_content = false,
 	walkable = false,
 	climbable = true,
 	physical = true,
 	node_placement_prediction = "",
-	groups = { handy=1, axey=1, flammable=3, building_block=1, material_wood=1, fire_encouragement=5, fire_flammability=20, falling_node = 1 },
+	groups = { handy=1, axey=1, flammable=3, building_block=1, material_wood=1, fire_encouragement=5, fire_flammability=20, falling_node = 1, stack_falling = 1 },
 	sounds = mcl_sounds.node_sound_wood_defaults(),
 	_mcl_blast_resistance = 0,
 	_mcl_hardness = 0,
@@ -41,7 +49,7 @@ minetest.register_node("mcl_scaffolding:scaffolding", {
 			local pp2 = minetest.get_node(ptd.under).param2
 			local np2 = pp2 + 1
 			if minetest.get_node(vector.offset(ptd.above,0,-1,0)).name == "air" then
-				minetest.set_node(ptd.above,{name = "mcl_scaffolding:scaffolding",param2 = np2})
+				minetest.set_node(ptd.above,{name = "mcl_scaffolding:scaffolding_horizontal",param2 = np2})
 				itemstack:take_item(1)
 			end
 			if np2 > 6 then
@@ -77,9 +85,54 @@ minetest.register_node("mcl_scaffolding:scaffolding", {
 		repeat
 			minetest.set_node(pos,{name="air"})
 			minetest.add_item(pos,"mcl_scaffolding:scaffolding")
+			for _,v in pairs(adjacents) do
+				minetest.check_for_falling(vector.add(pos,v))
+			end
 			pos = vector.offset(pos,0,1,0)
 		until oldnode.name ~= minetest.get_node(pos).name
 	end,
+	_mcl_after_falling = function(pos, depth)
+		if minetest.get_node(pos).name == "mcl_scaffolding:scaffolding" then
+			minetest.set_node(pos,{name = "mcl_scaffolding:scaffolding",param2 = 0})
+		end
+	end,
+})
+
+minetest.register_node("mcl_scaffolding:scaffolding_horizontal", {
+	description = S("Scaffolding horizontal"),
+	doc_items_longdesc = S("Scaffolding block..."),
+	doc_items_hidden = false,
+	tiles = {"mcl_scaffolding_scaffolding_side.png","mcl_scaffolding_scaffolding_top.png","mcl_scaffolding_scaffolding_bottom.png"},
+	drawtype = "nodebox",
+	paramtype = "light",
+	node_box = {
+		type = "fixed",
+		fixed = {
+			{-0.5, 0.375, -0.5, 0.5, 0.5, 0.5},
+			{-0.5, -0.5, -0.5, -0.375, 0.5, -0.375},
+			{0.375, -0.5, -0.5, 0.5, 0.5, -0.375},
+			{0.375, -0.5, 0.375, 0.5, 0.5, 0.5},
+			{-0.5, -0.5, 0.375, -0.375, 0.5, 0.5},
+			{-0.5, -0.5, -0.5, 0.5, -0.375, 0.5},
+		}
+	},
+	selection_box = {
+		type = "fixed",
+		fixed = {
+			{-0.5, -0.5, -0.5, 0.5, 0.5, 0.5},
+		},
+	},
+	groups = { handy=1, axey=1, flammable=3, building_block=1, material_wood=1, fire_encouragement=5, fire_flammability=20, not_in_creative_inventory = 1, falling_node = 1 },
+	_mcl_after_falling = function(pos)
+		if minetest.get_node(pos).name == "mcl_scaffolding:scaffolding_horizontal" then
+			if minetest.get_node(vector.offset(pos,0,0,0)).name ~= "mcl_scaffolding:scaffolding" then
+				minetest.remove_node(pos)
+				minetest.add_item(pos,"mcl_scaffolding:scaffolding")
+			else
+				minetest.set_node(vector.offset(pos,0,1,0),{name = "mcl_scaffolding:scaffolding"})
+			end
+		end
+	end
 })
 
 local bamboo = "mcl_core:stick"