From b90afa0b861bc7c0e4b7fd59763763c86d2ec0c0 Mon Sep 17 00:00:00 2001
From: tenplus1 <tenplus1@users.noreply.github.com>
Date: Mon, 5 Jul 2021 09:18:09 +0100
Subject: [PATCH 1/3] fix nil bug in portal_api.lua

fixes a nil bug in portal_api.lua where nodedef.is_ground_content isn't available.
---
 portal_api.lua | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/portal_api.lua b/portal_api.lua
index 22d9f34..e1c84f8 100644
--- a/portal_api.lua
+++ b/portal_api.lua
@@ -2211,7 +2211,7 @@ function nether.volume_is_natural_and_unprotected(minp, maxp, player_name)
 			if id ~= c_air and id ~= c_ignore and id ~= nil then -- checked for common natural or not emerged
 				local name = minetest.get_name_from_content_id(id)
 				local nodedef = minetest.registered_nodes[name]
-				if not nodedef.is_ground_content then
+				if nodedef and not nodedef.is_ground_content then
 					-- trees are natural but not "ground content"
 					local node_groups = nodedef.groups
 					if node_groups == nil or (node_groups.tree == nil and node_groups.leaves == nil and node_groups.leafdecay == nil) then

From 023539c29733868f47a82fb7f530e34bf0427d94 Mon Sep 17 00:00:00 2001
From: tenplus1 <tenplus1@users.noreply.github.com>
Date: Sun, 11 Jul 2021 03:10:58 +0100
Subject: [PATCH 2/3] add deep nether brick (#47)

* add deep nether brick
* Update crafts.lua
---
 crafts.lua                     |  10 +++++++++-
 nodes.lua                      |   7 +++++++
 textures/nether_brick_deep.png | Bin 0 -> 198 bytes
 3 files changed, 16 insertions(+), 1 deletion(-)
 create mode 100644 textures/nether_brick_deep.png

diff --git a/crafts.lua b/crafts.lua
index f880e19..88d1d07 100644
--- a/crafts.lua
+++ b/crafts.lua
@@ -44,6 +44,14 @@ minetest.register_craft({
 	}
 })
 
+minetest.register_craft({
+	output = "nether:brick_deep 4",
+	recipe = {
+		{"nether:rack_deep", "nether:rack_deep"},
+		{"nether:rack_deep", "nether:rack_deep"}
+	}
+})
+
 minetest.register_craft({
     output = "nether:basalt_hewn",
     type = "shapeless",
@@ -61,4 +69,4 @@ minetest.register_craft({
   }
 })
 
--- See tools.lua for tools related crafting
\ No newline at end of file
+-- See tools.lua for tools related crafting
diff --git a/nodes.lua b/nodes.lua
index 3205783..104b5ff 100644
--- a/nodes.lua
+++ b/nodes.lua
@@ -161,6 +161,13 @@ minetest.register_node("nether:fence_nether_brick", {
 	sounds = default.node_sound_stone_defaults(),
 })
 
+minetest.register_node("nether:brick_deep", {
+	description = S("Deep Nether Brick"),
+	tiles = {"nether_brick_deep.png"},
+	is_ground_content = false,
+	groups = {cracky = 2, level = 2},
+	sounds = default.node_sound_stone_defaults()
+})
 
 -- Register stair and slab
 
diff --git a/textures/nether_brick_deep.png b/textures/nether_brick_deep.png
new file mode 100644
index 0000000000000000000000000000000000000000..a11e53e49118fc29c749cd3ab8488e466c22ed9c
GIT binary patch
literal 198
zcmeAS@N?(olHy`uVBq!ia0vp^0wB!73?$#)eFPE^3h)VWRaCOm)OI&8@VB&zvayW~
z4z6^v$=eB(&G&S14B@!0+Ivv2*+78#DbM%otz0?g41vrInF`6f|A!U%e7Tb4?r`Lo
z=NmKq-yR=atBbxf=-Nv(tKL4#d2#dAI{_UjNzPCAOg|;(8(tJw@J;I6;_|ZxFZ73H
t@oda{xBAD?eT?f36f~Ec`~UcVp*})@f1Y7XULeqF22WQ%mvv4FO#tULNVot1

literal 0
HcmV?d00001


From 54613d673a855ca38aa7623fd725fb07c534075e Mon Sep 17 00:00:00 2001
From: tenplus1 <tenplus1@users.noreply.github.com>
Date: Sat, 10 Jul 2021 18:45:38 +0100
Subject: [PATCH 3/3] Update README.md

add texture license info
---
 README.md | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/README.md b/README.md
index 9481384..edf300f 100644
--- a/README.md
+++ b/README.md
@@ -74,4 +74,7 @@ SOFTWARE.
  * `nether_rack`* (files starting with "nether_rack"): Zeg9
  * `nether_tool_`* (files starting with "nether_tool_"): color adjusted versions from "[default](https://github.com/minetest/minetest_game/tree/master/mods/default)" mod, originals by BlockMen
 
-All other media: Copyright © 2013 PilzAdam, licensed under CC BY-SA 3.0 by PilzAdam.
\ No newline at end of file
+### [Unlicensed but permission for inclusion by kovaszos_uborka](https://www.planetminecraft.com/member/kovaszos_uborka/)
+ * `nether_brick_deep.png` (edited by TenPlus1)
+
+All other media: Copyright © 2013 PilzAdam, licensed under CC BY-SA 3.0 by PilzAdam.