From 6622beecea1366887dc7819351bbfebcef055546 Mon Sep 17 00:00:00 2001
From: silicons <2003111+silicons@users.noreply.github.com>
Date: Tue, 11 Apr 2023 02:04:49 -0700
Subject: [PATCH] tgui cameras now follow the camera if they're moving (#5341)

Co-authored-by: silicons <no@you.cat>
---
 citadel.dme                                             | 1 +
 code/controllers/subsystem/processing/moving_cameras.dm | 4 ++++
 code/modules/tgui/modules/camera.dm                     | 8 ++++++++
 3 files changed, 13 insertions(+)
 create mode 100644 code/controllers/subsystem/processing/moving_cameras.dm

diff --git a/citadel.dme b/citadel.dme
index 524be14a6b4..ff6e8df3bca 100644
--- a/citadel.dme
+++ b/citadel.dme
@@ -544,6 +544,7 @@
 #include "code\controllers\subsystem\processing\circuits.dm"
 #include "code\controllers\subsystem\processing\fastprocess.dm"
 #include "code\controllers\subsystem\processing\instruments.dm"
+#include "code\controllers\subsystem\processing\moving_cameras.dm"
 #include "code\controllers\subsystem\processing\obj.dm"
 #include "code\controllers\subsystem\processing\pathfinder.dm"
 #include "code\controllers\subsystem\processing\processing.dm"
diff --git a/code/controllers/subsystem/processing/moving_cameras.dm b/code/controllers/subsystem/processing/moving_cameras.dm
new file mode 100644
index 00000000000..683c11e854c
--- /dev/null
+++ b/code/controllers/subsystem/processing/moving_cameras.dm
@@ -0,0 +1,4 @@
+PROCESSING_SUBSYSTEM_DEF(moving_cameras)
+	name = "Camera Movement"
+	wait = 5
+	stat_tag = "MCAM"
diff --git a/code/modules/tgui/modules/camera.dm b/code/modules/tgui/modules/camera.dm
index c97872c2142..5946642f4f9 100644
--- a/code/modules/tgui/modules/camera.dm
+++ b/code/modules/tgui/modules/camera.dm
@@ -61,6 +61,8 @@
 	cam_foreground.add_overlay(noise)
 
 /datum/tgui_module_old/camera/Destroy()
+	STOP_PROCESSING(SSmoving_cameras, src)
+
 	if(active_camera)
 		UnregisterSignal(active_camera, COMSIG_MOVABLE_MOVED)
 	active_camera = null
@@ -136,6 +138,7 @@
 		if(active_camera)
 			UnregisterSignal(active_camera, COMSIG_MOVABLE_MOVED)
 		active_camera = C
+		START_PROCESSING(SSmoving_cameras, src)
 		RegisterSignal(active_camera, COMSIG_MOVABLE_MOVED, .proc/update_active_camera_screen)
 		playsound(ui_host(), get_sfx(SFX_ALIAS_TERMINAL), 25, FALSE)
 		update_active_camera_screen()
@@ -168,6 +171,11 @@
 				update_active_camera_screen()
 				. = TRUE
 
+/datum/tgui_module_old/camera/process()
+	if(isnull(active_camera))
+		return PROCESS_KILL
+	update_active_camera_screen()
+
 /datum/tgui_module_old/camera/proc/update_active_camera_screen()
 	// Show static if can't use the camera
 	if(!active_camera?.can_use())