From 737bde8ba43dae322fc5d4d8648add88c402df23 Mon Sep 17 00:00:00 2001
From: oilboi <47129783+oilboi@users.noreply.github.com>
Date: Sun, 19 Apr 2020 07:32:00 -0400
Subject: [PATCH] Add slightly better nether teleport animation

---
 nether.lua | 62 +++++++++++++++++++++++++++++++++++++++++-------------
 1 file changed, 47 insertions(+), 15 deletions(-)

diff --git a/nether.lua b/nether.lua
index 7489fe3..43720f5 100644
--- a/nether.lua
+++ b/nether.lua
@@ -3,6 +3,7 @@
 
 local hud_id = nil --foreground (portal)
 local hud_bg_id = nil --black background
+local nether_id = nil --the nether incoming
 local cool_off_timer = 0 --use this to stop players teleporting back and forth
 local init_sound = nil
 local teleport_sound = nil
@@ -39,12 +40,18 @@ minetest.register_globalstep(function(dtime)
 				scale = {x=-1, y=-1}, -- default {x=0,y=0}
 				text = "nether_portal_gui.png",    -- default ""
 			})
+			nether_id = minetest.localplayer:hud_add({
+				hud_elem_type = "image", -- see HUD element types, default "text"
+				position = {x=0.5, y=0.5},
+				name = "",    -- default ""
+				scale = {x=0, y=0}, -- default {x=0,y=0}
+				text = "darkness.png",    -- default ""
+			})
 			init_sound = minetest.sound_play("portal_initialize",{gain=0,pitch=math.random(70,90)/100})
 			minetest.sound_fade(init_sound, 0.34, 1)
 			
 		else
 			--make the hud zoom in
-			
 			local scale = minetest.localplayer:hud_get(hud_id).scale.x
 			if scale > -100 then
 				scale = scale - ((scale/-(1/dtime))*2)
@@ -62,24 +69,49 @@ minetest.register_globalstep(function(dtime)
 			minetest.sound_fade(teleport_sound, -0.1, 0)
 			teleport_sound = nil
 		end
-		--make the hud zoom out
-		local scale = minetest.localplayer:hud_get(hud_id).scale.x
-		if scale < -1 then
-			scale = scale + ((scale/-(1/dtime))*2)
-		elseif scale > -1 then	
-			scale = -1
-		end
-		minetest.localplayer:hud_change(hud_id, "scale", {x=scale,y=scale})
-		
-		if scale == -1 then
-			minetest.localplayer:hud_remove(hud_bg_id)
-			minetest.localplayer:hud_remove(hud_id)
-			hud_bg_id = nil
-			hud_id = nil
+		--player left portal before teleporting
+		if cool_off_timer == 0 then
+			--make the hud zoom out
+			local scale = minetest.localplayer:hud_get(hud_id).scale.x
+			if scale < -1 then
+				scale = scale + ((scale/-(1/dtime))*2)
+			elseif scale > -1 then	
+				scale = -1
+			end
+			minetest.localplayer:hud_change(hud_id, "scale", {x=scale,y=scale})
+			
+			if scale == -1 then
+				minetest.localplayer:hud_remove(hud_bg_id)
+				minetest.localplayer:hud_remove(hud_id)
+				minetest.localplayer:hud_remove(nether_id)
+				nether_id = nil
+				hud_bg_id = nil
+				hud_id = nil
+			end
+		--teleport complete animation
+		else
+			local scale = minetest.localplayer:hud_get(nether_id).scale.x
+			if scale == 0 then scale = -1 end
+			if scale > -100 then
+				scale = scale - ((scale/-(1/dtime))*2)
+			elseif scale < -100 then	
+				scale = -100
+			end
+			minetest.localplayer:hud_change(nether_id, "scale", {x=scale,y=scale})
+			if scale == -100 then
+				minetest.localplayer:hud_remove(hud_bg_id)
+				minetest.localplayer:hud_remove(hud_id)
+				minetest.localplayer:hud_remove(nether_id)
+				nether_id = nil
+				hud_bg_id = nil
+				hud_id = nil
+			end
 		end
 	elseif hud_bg_id and hud_id then
 		minetest.localplayer:hud_remove(hud_bg_id)
 		minetest.localplayer:hud_remove(hud_id)
+		minetest.localplayer:hud_remove(nether_id)
+		nether_id = nil
 		hud_bg_id = nil
 		hud_id = nil
 	end
-- 
2.44.0