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Matt Atlas 94d92803b4 Replaces our lighting system with CM's. (#21465)
Depends on #21458.

Ports https://github.com/cmss13-devs/cmss13/pull/4229, with the original
authors as:

- https://github.com/tgstation/TerraGov-Marine-Corps/pull/1964 for the
lighting controller (A-lexa)
- https://github.com/tgstation/TerraGov-Marine-Corps/pull/4747 and
https://github.com/tgstation/TerraGov-Marine-Corps/pull/7263 for the
lighting (TiviPlus)
- https://github.com/tgstation/tgstation/pull/54520 for the dir lighting
component
- https://github.com/tgstation/tgstation/pull/75018 for the out of
bounds fix in lighting
- https://github.com/tgstation/TerraGov-Marine-Corps/pull/6678 for the
emissives (TiviPlus)

The main driving reason behind this is that current lighting consumes
way too much processing power, especially for things like odysseys/away
sites where a billion light sources are processing/moving at once and
the game slows down to a crawl. Hopefully this improves the situation by
a good margin, but we will need some testmerging to confirm that.
<img width="1349" height="1349" alt="image"
src="https://github.com/user-attachments/assets/1059ba2b-c0c5-495a-9c76-2d75d0c42bf2"
/>
<img width="1349" height="1349" alt="image"
src="https://github.com/user-attachments/assets/9704b0f6-4cf6-4dfd-a6cb-5702ad07d677"
/>


- [x] Resolve todos
- [x] Look into open space fuckery (border objects)

---------

Co-authored-by: Matt Atlas <liermattia@gmail.com>
Co-authored-by: JohnWildkins <john.wildkins@gmail.com>
2025-11-04 21:27:42 +00:00

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/// Generates a real, honest to god new z level. Will create the actual space, and also generate a datum that holds info about the new plot of land
/// Accepts the name, traits list, datum type, and if we should manage the turfs we create
/datum/controller/subsystem/mapping/proc/add_new_zlevel(name, traits = list(), z_type = /datum/space_level, contain_turfs = TRUE)
UNTIL(!adding_new_zlevel)
adding_new_zlevel = TRUE
var/new_z = z_list.len + 1
if (world.maxz < new_z)
world.incrementMaxZ()
CHECK_TICK
// TODO: sleep here if the Z level needs to be cleared
var/datum/space_level/S = new z_type(new_z, name, traits)
manage_z_level(S, filled_with_space = TRUE, contain_turfs = contain_turfs)
generate_linkages_for_z_level(new_z)
adding_new_zlevel = FALSE
SEND_GLOBAL_SIGNAL(COMSIG_GLOB_NEW_Z, S)
SSzcopy.calculate_zstack_limits()
return S
/datum/controller/subsystem/mapping/proc/get_level(z)
if (z_list && z >= 1 && z <= z_list.len)
return z_list[z]
CRASH("Unmanaged z-level [z]! maxz = [world.maxz], z_list.len = [z_list ? z_list.len : "null"]")