From 1e5524aba0033a57b4c337ff7aa89dfbc4fb95fa Mon Sep 17 00:00:00 2001
From: oilboi <47129783+oilboi@users.noreply.github.com>
Date: Fri, 15 May 2020 03:32:06 -0400
Subject: [PATCH] Add in CSM WAILA

---
 init.lua  |  1 +
 waila.lua | 65 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 66 insertions(+)
 create mode 100644 waila.lua

diff --git a/init.lua b/init.lua
index 7bc309a..7922b44 100644
--- a/init.lua
+++ b/init.lua
@@ -24,6 +24,7 @@ function initialize_all()
 	dofile(path.."/environment_effects.lua")
 	dofile(path.."/nether.lua")
 	dofile(path.."/aether.lua")
+	dofile(path.."/waila.lua")
 end
 
 --we must delay initialization until the player exists in the world
diff --git a/waila.lua b/waila.lua
new file mode 100644
index 0000000..44c3da7
--- /dev/null
+++ b/waila.lua
@@ -0,0 +1,65 @@
+local hud_item_name = ""
+
+
+local hud_bg = minetest.localplayer:hud_add({
+				hud_elem_type = "image", -- see HUD element types, default "text"
+				position = {x=0.5, y=0},
+				name = "",    -- default ""
+				scale = {x=2.25, y=2.25}, -- default {x=0,y=0}
+				text = "waila.png",    -- default ""
+				offset = { x = 0, y = 29.25},
+				z_index = 0,
+			})
+
+local hud_name = minetest.localplayer:hud_add({
+		name = "hud_name",
+		position = {x=0.5,y=0},
+		hud_elem_type = "text",
+		number = 0xFFFFFF,
+		alignment = 0,
+		offset = { x = 0, y = 17},
+		text = "",
+		z_index = 1,
+	})
+local hud_node = minetest.localplayer:hud_add({
+		name = "hud_node",
+		position = {x=0.5,y=0},
+		hud_elem_type = "text",
+		number = 0xFFFFFF,
+		alignment = 0,
+		offset = { x = 0, y = 36},
+		text = "",
+		z_index = 1,
+	})
+
+
+local function update()
+	if minetest.camera then
+		local pos = minetest.camera:get_pos()
+		local pos2 = vector.add(pos,vector.multiply(minetest.camera:get_look_dir(), 4))
+		local ray = minetest.raycast(pos, pos2, false, false)
+		
+		local pointed_thing = ray:next()
+		if pointed_thing and pointed_thing.under then
+			local node = minetest.get_node_or_nil(pointed_thing.under).name
+			if hud_item_name ~= node then
+				local def = minetest.get_item_def(node)
+				minetest.localplayer:hud_change(hud_name, "text", def.description)
+				minetest.localplayer:hud_change(hud_node, "text", node)
+				minetest.localplayer:hud_change(hud_bg,   "text", "waila.png")
+				hud_item_name = node
+			end
+		else
+			--make hud invisible
+			minetest.localplayer:hud_change(hud_name, "text", "")
+			minetest.localplayer:hud_change(hud_node, "text", "")
+			minetest.localplayer:hud_change(hud_bg,   "text", "")
+			hud_item_name = ""
+		end
+	end
+	minetest.after(0.01, function()
+		update()
+	end)
+end
+
+update()
-- 
2.44.0