camerachunk

Vars
active_static_images	images currently in use on obscured turfs.
cameras	cameras that can see into our grid indexed by the z level of the camera
obscuredTurfs	turfs our cameras cant see but are inside our grid. associative list of the form: list(obscured turf = static image on that turf)
seenby	eye mobs that can see turfs in our grid
turfs	list of all turfs, associative with that turf's static image turf -> /image
visibleTurfs	turfs our cameras can see inside our grid
Procs
New	Create a new camera chunk, since the chunks are made as they are needed.
add	Add an AI eye to the chunk, then update if changed.
hasChanged	Updates the chunk, makes sure that it doesn't update too much. If the chunk isn't being watched it will instead be flagged to update the next time an AI Eye moves near it. update_delay_buffer is used for cameras that are moving around, which are cyborg inbuilt cameras and mecha onboard cameras. This buffer should be usually lower than UPDATE_BUFFER_TIME because otherwise a moving camera can run out of its own view before updating static.
remove	Remove an AI eye from the chunk
update	The actual updating. It gathers the visible turfs from cameras and puts them into the appropiate lists. Accepts an optional partial_update argument, that blocks any calls out to chunks that could affect us, like above or below
visibilityChanged	Called when a chunk has changed. I.E: A wall was deleted.

Var Details

var
active_static_images
– /list

images currently in use on obscured turfs.

var
cameras
– /list

cameras that can see into our grid indexed by the z level of the camera

var
obscuredTurfs
– /list

turfs our cameras cant see but are inside our grid. associative list of the form: list(obscured turf = static image on that turf)

var
seenby
– /list

eye mobs that can see turfs in our grid

var
turfs
– /list

list of all turfs, associative with that turf's static image turf -> /image

var
visibleTurfs
– /list

turfs our cameras can see inside our grid

Proc Details

New
(x, y, lower_z)

Create a new camera chunk, since the chunks are made as they are needed.

proc
add
(/mob/eye/ai_eye/eye)

Add an AI eye to the chunk, then update if changed.

proc
hasChanged
(update_now, update_delay_buffer)

Updates the chunk, makes sure that it doesn't update too much. If the chunk isn't being watched it will instead be flagged to update the next time an AI Eye moves near it. update_delay_buffer is used for cameras that are moving around, which are cyborg inbuilt cameras and mecha onboard cameras. This buffer should be usually lower than UPDATE_BUFFER_TIME because otherwise a moving camera can run out of its own view before updating static.

proc
remove
(/mob/eye/ai_eye/eye, remove_static_with_last_chunk)

Remove an AI eye from the chunk

proc
update
(partial_update)

The actual updating. It gathers the visible turfs from cameras and puts them into the appropiate lists. Accepts an optional partial_update argument, that blocks any calls out to chunks that could affect us, like above or below

proc
visibilityChanged
(/turf/loc)

Called when a chunk has changed. I.E: A wall was deleted.

camerachunk /datum/camerachunk

Vars

Procs

Var Details

var active_static_images – /list

var cameras – /list

var obscuredTurfs – /list

var seenby – /list

var turfs – /list

var visibleTurfs – /list