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Bubberstation/code/__HELPERS/view.dm
tonty d8450b4933 Camera eyes have been lightly refactored (among other things...) (#87805)
## About The Pull Request

* A generic /mob/eye/camera type has been made, containing everything
needed to interface with a cameranet
* /mob/eye/ai_eye has been refactored into a generic /mob/eye/camera
instance
* Advanced cameras no longer inherit from AI eyes, splitting off
behaviour
* Camera code has been somewhat cleaned up
* Probably some more stuff I'm forgetting right now

## Big man Southport:

![image](https://github.com/user-attachments/assets/de6e6ff0-ca99-4636-bdec-5e0b2d6b8037)

## Changelog

🆑
code: made /proc/getviewsize() pure

refactor: mob/eye/ai_eye has been restructured, now inheriting from a
generic mob/eye/camera type
refactor: advanced cameras and their subtypes are now
mob/eye/camera/remote subtypes
code: the cameranet no longer expects the user to be an AI eye
code: remote camera eyes have had their initialization streamlined
code: remote cameras handle assigning and unassigning users by
themselves now
code: remote cameras now use weakrefs instead of hard referencing owners
and origins
code: also the sentient disease is_define was removed (we don't have
those anymore)
fix: AI eyes no longer assign real names to themselves, fixing their
orbit name
/🆑

---------

Co-authored-by: Ghom <42542238+Ghommie@users.noreply.github.com>
2024-11-21 12:55:38 +01:00

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/proc/getviewsize(view = world.view)
SHOULD_BE_PURE(TRUE)
if(isnum(view))
var/totalviewrange = (view < 0 ? -1 : 1) + 2 * view
return list(totalviewrange, totalviewrange)
else
var/list/viewrangelist = splittext(view, "x")
return list(text2num(viewrangelist[1]), text2num(viewrangelist[2]))
/// Takes a string or num view, and converts it to pixel width/height in a list(pixel_width, pixel_height)
/proc/view_to_pixels(view)
if(!view)
return list(0, 0)
var/list/view_info = getviewsize(view)
view_info[1] *= ICON_SIZE_X
view_info[2] *= ICON_SIZE_Y
return view_info
/**
* Frustrated with bugs in can_see(), this instead uses viewers for a much more effective approach.
* ### Things to note:
* - Src/source must be a mob. `viewers()` returns mobs.
* - Adjacent objects are always considered visible.
*/
/// The default tile-distance between two atoms for one to consider the other as visible.
#define DEFAULT_SIGHT_DISTANCE 7
/// Basic check to see if the src object can see the target object.
#define CAN_I_SEE(target) ((src in viewers(DEFAULT_SIGHT_DISTANCE, target)) || in_range(target, src))
/// Checks the visibility between two other objects.
#define CAN_THEY_SEE(target, source) ((source in viewers(DEFAULT_SIGHT_DISTANCE, target)) || in_range(target, source))
/// Further checks distance between source and target.
#define CAN_SEE_RANGED(target, source, dist) ((source in viewers(dist, target)) || in_range(target, source))