From f84dcf0940a932729c4c252af169db640f4a9046 Mon Sep 17 00:00:00 2001
From: Nathan Fritzler <nfblaster@live.com>
Date: Sun, 19 Jun 2022 15:10:44 -0600
Subject: [PATCH] Use protection to make a worldborder

---
 mods/mcljepc_core/blocks.lua          |  3 ++-
 mods/mcljepc_fakeworldborder/init.lua | 14 ++++++++++++++
 mods/mcljepc_fakeworldborder/mod.conf |  2 ++
 3 files changed, 18 insertions(+), 1 deletion(-)
 create mode 100644 mods/mcljepc_fakeworldborder/init.lua
 create mode 100644 mods/mcljepc_fakeworldborder/mod.conf

diff --git a/mods/mcljepc_core/blocks.lua b/mods/mcljepc_core/blocks.lua
index b0dd16a03..86cb5308f 100644
--- a/mods/mcljepc_core/blocks.lua
+++ b/mods/mcljepc_core/blocks.lua
@@ -38,7 +38,8 @@ minetest.register_craftitem("mcljepc_core:block", {
 			nodename = "mcljepc_core:grass"
 		end
 
-		minetest.set_node(pointed_thing.above, { name = nodename })
+		-- Unlike set node, this actually checks against protection
+		minetest.item_place(ItemStack(nodename), user, pointed_thing)
 	end,
 	on_drop = function(itemstack, dropper, pos)
 		return itemstack
diff --git a/mods/mcljepc_fakeworldborder/init.lua b/mods/mcljepc_fakeworldborder/init.lua
new file mode 100644
index 000000000..3edb8c9dc
--- /dev/null
+++ b/mods/mcljepc_fakeworldborder/init.lua
@@ -0,0 +1,14 @@
+local ymax = 21
+local ymin = mcljepc_mapgen.depth * -1
+local zmax = mcljepc_mapgen.size
+local zmin = mcljepc_mapgen.size * -1
+local xmax = mcljepc_mapgen.size
+local xmin = mcljepc_mapgen.size * -1
+local old_is_protected = minetest.is_protected
+function minetest.is_protected(pos, name)
+	return old_is_protected(pos, name) or not (
+		    ymin < pos.y and pos.y < ymax
+		and zmin < pos.z and pos.z < zmax
+		and xmin < pos.x and pos.x < xmax
+	)
+end
diff --git a/mods/mcljepc_fakeworldborder/mod.conf b/mods/mcljepc_fakeworldborder/mod.conf
new file mode 100644
index 000000000..ef53dbb36
--- /dev/null
+++ b/mods/mcljepc_fakeworldborder/mod.conf
@@ -0,0 +1,2 @@
+name = mcljepc_fakeworldborder
+depends = mcljepc_mapgen,mcljepc_core