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camcontrol: add cleanup

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This is mostly to fix an annoying assertion failure that pops up when
quitting the game or restarting the stage.
This commit is contained in:
Andrei Alexeyev 2021-10-02 01:55:29 +03:00
parent d3786e7cf7
commit 0055de4245
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GPG key ID: 72D26128040B9690
2 changed files with 11 additions and 2 deletions
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10
src/camcontrol.c
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@ -89,9 +89,19 @@ static void predraw(EntityInterface *ent, void *a) {
}
}
TASK(cleanup) {
ent_unhook_pre_draw(predraw);
events_unregister_handler(mouse_event);
events_unregister_handler(wheel_event);
events_unregister_handler(focus_gained_event);
events_unregister_handler(focus_lost_event);
}
TASK(camera_control, { Camera3D *cam; }) {
Camera3D *cam = ARGS.cam;
INVOKE_TASK_AFTER(&TASK_EVENTS(THIS_TASK)->finished, cleanup);
SDL_Window *w = NOT_NULL(video_get_window());
SDL_SetWindowGrab(w, true);
SDL_CaptureMouse(true);

3
src/camcontrol.h
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@ -14,8 +14,7 @@
/*
* NOTE: This is a stage background debugging facility that provides FPS-like keyboard-and-mouse
* fly-mode camera control. This code is not linked into non-developer builds, and usually is not
* referenced anywhere — it is expected to be used transiently while working on backgrounds. Which
* is why it doesn't bother with cleaning up after itself, by the way.
* referenced anywhere — it is expected to be used transiently while working on backgrounds.
*
* To use it, simply call `camcontrol_init` in your background animation setup code instead of
* invoking normal animation code. For best results, disable anything that can alter the camera