From e7f671fc33e8d4fda0b867e3c89711e3cf1f01c5 Mon Sep 17 00:00:00 2001
From: Franziska Kunsmann <hi@kunsmann.eu>
Date: Sat, 19 Dec 2020 08:39:46 +0100
Subject: [PATCH] make rotation work without needing to restart

---
 node.lua | 18 ++++++++++++++++--
 1 file changed, 16 insertions(+), 2 deletions(-)

diff --git a/node.lua b/node.lua
index 825e829..f375f84 100644
--- a/node.lua
+++ b/node.lua
@@ -4,6 +4,8 @@ local json = require "json"
 local services = {}
 local host_width = 0
 local time_width = 0
+local rotate_before = nil
+local transform = nil
 
 local c_hard = {}
 c_hard[0] = resource.create_colored_texture(0,   0.6, 0,   1)
@@ -23,7 +25,6 @@ c_text[2] = {1, 1, 1}
 c_text[3] = {1, 1, 1}
 
 gl.setup(NATIVE_WIDTH, NATIVE_HEIGHT)
-local transform = util.screen_transform(CONFIG.rotate)
 
 util.file_watch("services.json", function(content)
     services = json.decode(content)
@@ -40,9 +41,22 @@ local white = resource.create_colored_texture(1,1,1,1)
 local base_time = N.base_time or 0
 
 function node.render()
+    if rotate_before ~= CONFIG.rotate then
+        transform = util.screen_transform(CONFIG.rotate)
+        rotate_before = CONFIG.rotate
+
+        if rotate_before == 90 or rotate_before == 270 then
+            real_width = NATIVE_HEIGHT
+            real_height = NATIVE_WIDTH
+        else
+            real_width = NATIVE_WIDTH
+            real_height = NATIVE_HEIGHT
+        end
+    end
+
     transform()
     CONFIG.background_color.clear()
-    CONFIG.font:write(NATIVE_WIDTH/2-time_width/2, 10, services.prettytime, 30, 1,1,1,1)
+    CONFIG.font:write(real_width/2-time_width/2, 10, services.prettytime, 30, 1,1,1,1)
 
     local y = 50
     for idx, serv in ipairs(services.services) do